Search Results — 2000 specimen records retrieved (1499 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/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC15667  Achillea millefolium Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10518 Modoc Patterson Ranger Station, East Creek drainage. 2164 Comment
  CAS-BOT-BC15674  Achillea millefolium Bruce Bartholomew 1990-6-17 5350 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  HSC81035  Achillea millefolium G. M. Riegel 1979-7-21 571 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC242288  Achnatherum Louis Cutter Wheeler 1935-8-3 3752 Modoc Dismal Swamp. 2225 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
  UCD32697  Achnatherum lemmonii Beecher Crampton 1954-7-6 2113 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD50471  Achnatherum lemmonii Beecher Crampton; with Carl Rimbey 1954-7-6 2113 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  POM260441  Achnatherum lemmonii var. lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc near Surprise, ca. 15 miles north of Alturas 1402 Comment
  CAS-BOT-BC242323  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1990-7-20 5463 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  UCD50849  Achnatherum nevadense Beecher Crampton; Carl Rimbey 1954-7-7 2143 Modoc : Cedar Pass Summit, Warner Mountains. 1920 Comment
  CAS-BOT-BC242318  Achnatherum occidentale subsp. californicum Bruce Bartholomew 1990-8-5 5669 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  CHSC79429  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2114 Modoc Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UC1024987  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-7 3404 Modoc Spaulding's Butte near Hackamore (ca. 15 mi nw of Canby); Modoc National Forest 1463 Comment
  UC1025058  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-29 3574 Modoc ca. 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  JEPS491  Achnatherum thurberianum L. S. Smith 1917-6-20 48 Modoc Warner Mts. 1828 Comment
  UCD51428  Achnatherum thurberianum Beecher Crampton; Carl Rimbey 1954-7-7 2146 Modoc East side of Cedar Pass, Warner Mountains, 3 miles west of Cedarville. Comment
  CHSC99901  Acmispon americanus var. americanus Lowell Ahart; John Dittes 2008-8-25 15302 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  SJSU9550  Acmispon americanus var. americanus W. Savage 1979-7-3 1284 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC218311  Aconitum columbianum Bruce Bartholomew 1989-8-11 5074 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  POM275208  Aconitum columbianum var. columbianum A. M. Alexander, Louise Kellogg 1946-7-23 5082 Modoc S slope Emerson Peak, Warner Mtns. Comment
  CHSC99953  Acroptilon repens Lowell Ahart; John Dittes 2008-8-25 15309 Modoc On the east bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC218314  Actaea rubra Bruce Bartholomew 1994-7-3 6843 Modoc Along Bidwell Creek near Larry Flat, E side of Warner Mountains. 1780 Comment
  CAS-BOT-BC218317  Actaea rubra Bruce Bartholomew 1989-7-14 4972 Modoc Cedar Spring. 1480 Comment
  UC71685  Adenocaulon bicolor Mrs. M. H. Manning 1904-8-26 312 Modoc Mill Canon; northeast Modoc County Comment
  CDA3515  Adonis aestivalis T. C. Fuller 1963-6-17 10644 Modoc North side of Highway 299 to Adin, 1.5 miles west of Canby. 0 Comment
  CHSC85673  Aegilops cylindrica J. Moreo 2002-6-24 1151611 Modoc Jasper Ranch, Willow Ranch, near New Pine Cr, Oregon. Comment
  CAS-BOT-BC179879  Agastache urticifolia Robert Patterson; Mona Bourell 1993-8-15 5266 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC14180  Agastache urticifolia M. T. Milligan 1966-7-3 537 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  SBBG18789  Agastache urticifolia C. B. Hardham 1961-6-18 7565 Modoc Davis Crk 2133 Comment
  UC104565  Agastache urticifolia Mrs. R. M. Austin July 1874 Modoc Willow Creek Comment
  CHSC70462  Ageratina occidentalis A. Sanger 1997-8-7 2602 Modoc Pepperdine trailhead at wilderness boundary. 2194 Comment
  CAS-BOT-BC21366  Agoseris aurantiaca var. aurantiaca L. S. Smith 1920-7-31 1194 Modoc Mill Creek (S) 2133 Comment
  RSA608594  Agoseris glauca var. dasycephala L. C. Wheeler 1935-8-16 3885 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  RSA95000  Agoseris glauca var. dasycephala F. W. Peirson 1926-6-25 6884 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  UC748131  Agoseris grandiflora var. grandiflora Annie M. Alexander and Louise Kellogg 1946-6-8 4692 Modoc road to Patterson Mill and Eagleville 1676 Comment
  UC76010  Agoseris heterophylla var. heterophylla Milo S. Baker 1893-1 Modoc Forestdale Comment
  HSC6040  Agoseris monticola M. T. Milligan 1964-7-25 185 Modoc Pine Creek Basin, along trail. 2439 Comment
  CHSC112050  Agropyron cristatum subsp. pectinatum Lowell Ahart; John Dittes 2012-7-11 18346 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  JEPS114847  Agropyron desertorum Lowell Ahart, John Dittes 2008-6-21 15016 Modoc On the north side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber 1264 Comment
  RSA218776  Agropyron desertorum R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39089 Modoc Pit River, N of Alturas 1341 Comment
  JEPS73941  Agrostis alba Frances D. Payne 1932-7-18 698 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1024982  Agrostis exarata Leo Whitney 1935-7-6 3416 Modoc Pitt River near Lookout; Pitt River Comment
  UC70677  Agrostis exarata Mrs. M. H. Manning June 1903 412 Modoc ne Modoc County Comment
  UCD32683  Agrostis exarata Beecher Crampton 1954-7-6 2095 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  UCD52260  Agrostis exarata Beecher Crampton; Carl W. Rimbey 1954-7-6 2097 Modoc edge of Shield Creek, Warner Mountains. 20 miles east of Alturas. Comment
  UCD52379  Agrostis exarata L. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  JEPS73943  Agrostis exarata L. S. Smith 1918-1 883 Modoc in and around meadows Comment
  UCD53122  Agrostis pallens Leo Whitney Date Unknown 2182 Modoc Hackamore, 15 miles norhtwest of Canby, Modoc National Forest. 1463 Comment
  UC53474  Agrostis scabra M. S. Baker and Frank Nutting 1894-8-25 Modoc Forestdale 1371 Comment
  CAS-BOT-BC242419  Agrostis stolonifera Bruce Bartholomew 1989-8-11 5069 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  POM229968  Alisma gramineum L. C. Wheeler 1935-8-18 3890 Modoc 2 miles northeast of Alturas 1357 Comment
  POM261432  Alisma gramineum Alice Eastwood, J. T. Howell 1940-6-12 8037 Modoc Likely Comment
  UC985666  Alisma gramineum Herbert L. Mason 1947-8-15 13557 Modoc spring feeding into w side Goose Lake (11 mi from Davis Creek) Comment
  UC1036060  Alisma plantago-aquatica Annie M. Alexander and Louise Kellogg 1946-6-3 4906 Modoc Fort Bidwell 1444 Comment
  UCD137997  Alisma triviale Herbert L. Mason 1955-8-13 14653 C Modoc southwest side of Goose Lake. Comment
  JEPS56347  Allium acuminatum L. S. Smith 1918-6-26 938 Modoc Buck Creek Ranger Station Warner Range, Buck Creek Ranger Station 1600 Comment
  RSA367054  Allium acuminatum Christopher Davidson 1973-5-26 2145 Modoc Ca. 1 mile N of Adin Summit on State Highway 299. Modoc National Forest. 1524 Comment
  SEINET256828  Allium acuminatum M. J. Williams 1984-1 Modoc 0 Comment
  HSC30076  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19428 Modoc Hager Reservoir Comment
  HSC2972  Allium parvum M. T. Milligan 1964-4-25 Modoc N side of Doris Reservoir Comment
  RSA540074  Allium parvum Bruce Bartholomew, B. Anderson 1989-4-30 4714 Modoc 0.8 km. south of Centerville Road (County road 54) on road to Ralston Gulch (County road 77). 1400 Comment
  HSC29861  Allium platycaule D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19473 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  RSA367110  Allium platycaule Christopher Davidson 1975-6-4 2590 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  SEINET188106  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 miles nrotheast of Alturas. 1615 Comment
Read comments
Dec 2 2014
  HSC67123  Allium platycaule Dale McNeal 1980-6-2 2341 Modoc Above Hwy. 395, 9.7 mi. S of Davis Creek Comment
  JEPS13888  Allium platycaule Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3747 Modoc about 200 ft above and s Cedar Pass; Warner Mountains 1981 Comment
  JEPS47608  Allium platycaule Frances D. Payne 1929-6-12 3 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1585398  Allium platycaule R. Raiche and K. Zadnik 1989-7-4 90182 Modoc near Oregon border; Warner Mts., Dismal Swamp area 2010 Comment
  CHSC117821  Allium tolmiei var. tolmiei L. P. Janeway 2016-5-18 12063 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  UC1036059  Allium tolmiei var. tolmiei Annie M. Alexander and Louise Kellogg 1946-6-26 4835 Modoc Dismal Swamp, n. end of Warner Mts. Warner Mts., Dismal Swamp 2255 Comment
  UC71673  Allium tolmiei var. tolmiei Mrs. M. H. Manning June, 1903 67 Modoc near Fort Bidwell (back of the Three trees) 1981 Comment
  CHSC109735  Allium validum B. Castro; L. P. Janeway 2012-7-27 1974 Modoc Warner Mountains. North-sloping meadow opening just above Mineral Spring, 0.,3 air mi east of Yellow Mountain. Meadow surrounded by tall lodgepole pine forest; on E side of road. 2350 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
  CAS-BOT-BC242346  Alopecurus aequalis Leland S. Smith 1918-6-22 942 Modoc Willow Creek below Ranger Station. 1676 Comment
  JEPS68428  Alopecurus aequalis Leland S. Smith 1918-6-22 942 Modoc Willow Creek below ranger station Willow Creek 1676 Comment
  RSA313195  Alopecurus aequalis Verne Grant, Irving Schneider 1947-7-19 8082 Modoc Williams Ranch, north of Likely. Comment
  UC1100228  Alopecurus aequalis Herbert L. Mason 1947-8-13 13520 Modoc n. of Canby (n.e. side of F reservoir) Comment
  JEPS114830  Alopecurus geniculatus Lowell Ahart, John Dittes 2008-6-21 14997 Modoc On wet soil in the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  CAS-BOT-BC242334  Alopecurus pratensis Bruce Bartholomew; Barrett Anderson 1989-6-1 4747 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  SEINET10481947  Alyssum alyssoides Jeffrey Huber 1971-6-3 Huber 101 Modoc 5 mi s of canby on state hwy 299, lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper, artemisia, purshia, poa association. 1280 Comment
  RSA554806  Alyssum desertorum Margaret J. Williams 1988-6-2 s.n. Modoc Hwy 395 0.4 mile E of Susanville road after turn to Alturas. [Lassen county] Comment
Read comments
Jun 24 2009
  RSA152426  Alyssum minus I. L. Wiggins, Dorothy Wiggins 1961-6-13 16468 Modoc Roadside 2.6 miles N of Buck s Creek Ranger Station, E side of Goose Lake. Comment
  CAS-BOT-BC58604  Alyssum simplex James Vale 1981-5-21 Modoc Alturas. Comment
  UC1191390  Amaranthus californicus Herbert L. Mason 1947-8-8 13461 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas. Comment
  UC1191394  Amaranthus californicus Verne Grant, Irving Schneider 1947-8-27 8312 Modoc Southwest end of Clear Lake. Comment
  CHSC99903  Amaranthus powellii Lowell Ahart; John Dittes 2008-8-25 15290 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  NY849650  Amelanchier alnifolia B. M. Bartholomew 1988-5-13 4174 Modoc 0.6 km north of Jess Valley on West Warner Road, west side of the Warner Mountains 1620 Comment
  SEINET191880  Amelanchier alnifolia C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi NW of Alturas 1676 Comment
  RSA260414  Amelanchier pallida C. Leo Hitchcock 1940-5-27 6701 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC214627  Amelanchier utahensis K. Paulson; Robert Paulson 1989-5-8 107 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC214632  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1989-4-27 4611 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC214639  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1988-6-24 4315 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-BC217082  Amelanchier utahensis A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill, Modoc Forest Comment
  CAS-BOT-BC217089  Amelanchier utahensis Doris K. Kildale 1927-9-11 2786 Modoc Near Alturas. 1371 Comment
  JEPS114429  Amelanchier utahensis Lowell Ahart, John Dittes 2008-8-26 15349 Modoc Northwest side of Rose Creek, 750 feet northeast of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  JEPS45141  Amelanchier utahensis W. L. Jepson 1918-8-6 7838 Modoc Summit of Fandango Pass; Warner Mts. 1859 Comment
  UC71598  Amelanchier utahensis Mrs. M. H. Manning 1903-5 9 Modoc near Bidwell (ne Modoc County) Comment
  CAS-BOT-BC54155  Amsinckia menziesii Bruce Bartholomew 1992-5-16 6319 Modoc Arnett Spring, N of Bayley Reservoir. 1510 Comment
  CHSC85172  Amsinckia menziesii John Dittes; Josephine Guardino 1991-7-21 393 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  UC748453  Amsinckia menziesii var. menziesii Annie M. Alexander and Louise Kellogg 1946-6-12 4727 Modoc one mi e Lake City 1414 Comment
  UC1008303  Amsinckia menziesii var. menziesii L. R. Heckard, R. Bacigalupi 1952-6-18 309 Modoc 3/4 mi e Canby (by railroad crossing, along US Hwy 299) Comment
  UC71571 Image available Amsinckia remotifructus Mrs. M. H. Manning 1903-1 181 Modoc near Fort Bidwell; northeastern Modoc County; near Ft. Bidwell, Modoc Co. Comment
  RSA0079999  Amsinckia retrorsa E. K. Balls 1950-5-15 14695 Modoc 14.8 mi. west of Alturas, Hwy. 299. 1341 Comment
  CAS-BOT-BC15607  Ancistrocarphus filagineus Bruce Bartholomew 1991-6-22 5860 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  CHSC10861  Anemone drummondii Robert A. Mele 1972-7-3 33 Modoc West slope circling Patterson Lake in the Warner Wilderness area. Comment
  CAS-BOT-BC15611  Antennaria argentea M. M. Hanna 1956-6-7 s.n. Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC15620  Antennaria argentea Bruce Bartholomew; Barrett Anderson 1988-7-22 4535 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  RSA149136  Antennaria argentea I. L. Wiggins, Dorothy Wiggins 1961-6-15 16504 Modoc 22 mi. W of Canby, along Highway 139 Comment
  CAS-BOT-BC15581  Antennaria dimorpha Roxana Stinchfield Ferris; R. Duthie 1919-6-16 133 Modoc Above Parker Creek. Comment
  UC134217  Antennaria dimorpha Mrs. R. M. Austin 1885-6-1 Modoc Goose Lake Valley Comment
  HSC37943  Antennaria geyeri M. T. Milligan 1966-6-19 468 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC15553  Antennaria luzuloides John Thomas Howell 1934-6-12 11992 Modoc 6 mi. S of Davis Creek. Comment
  CAS-BOT-BC58683  Antennaria luzuloides Mrs. R. M. Austin 1894-7-1 s.n. Modoc Goose Lake Valley Comment
  CHSC107351  Antennaria luzuloides Lowell Ahart; John Dittes 2011-6-22 17554 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  HSC26517  Antennaria luzuloides J. P. Smith, J. O. Sawyer 1972-5-6 5246 Modoc County Rd. 86, just E of Adin. 1098 Comment
  CAS-BOT-BC15598  Antennaria luzuloides John H. Hatton 1911-6-22 143 Modoc Modoc County. 1615 Comment
  SEINET475156  Antennaria luzuloides subsp. luzuloides Arnold Tiehm 1984-6-30 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile Creek on the road from Lake Annie Comment
  SBBG22250  Antennaria rosea C. B. Hardham 1961-6-20 7883 a Modoc rd from Mt Bidwell to Dismal Crk Comment
  UC748163  Antennaria rosea Annie M. Alexander and Louise Kellogg 1946-7-11 4973 Modoc w of Eight Mile Creek Comment
  SEINET195645 Image available Antennaria rosea Annie Alexander, Louise Kellogg 1946-6-27 4847 Modoc North end of Warner Mtns 2377 Comment
  CAS-BOT-BC15556  Antennaria rosea subsp. rosea Clare Butterworth Hardham 1961-6-20 7883 A Modoc Road from Mt. Bidwell to Dismal Swamp. 2438 Comment
  CAS-BOT-BC15557  Antennaria rosea subsp. rosea Clare Butterworth Hardham 1961-6-20 7864 Modoc Pine Creek. 1676 Comment
  HSC81144  Antennaria rosea subsp. rosea G. M. Riegel 1980-7-29 960 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC242413  Apera interrupta Bruce Bartholomew 1991-7-5 5928 Modoc Vicinity of Cow Head Spring between Dorris Bothers Reservoir and Cow Head Tank. 1510 Comment
  RSA181182  Apera interrupta P. H. Raven, Otto T. Solbrig 1958-6-17 s.n. Modoc Along United States, Highway 299, 2.6 miles west of Alturas. Comment
  CAS-BOT-BC15688  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-6-28 4867 Modoc Pine Creek Canyon. 1615 Comment
  CAS-BOT-BC15691  Apocynum androsaemifolium K. Paulson; Robert Paulson 1988-7-13 77 Modoc Clear Lake area, Warner Mts.. Comment
  CAS-BOT-BC218338  Aquilegia formosa Isabelo T. Kelly 1930-1-1 48 Modoc Fort Bidwell. Comment
  HSC18043  Aquilegia formosa var. formosa M. T. Milligan 1965-6-26 331 Modoc N end Jess Valley. 1616 Comment
  SEINET3237275 Image available Arabis lemmonii Louise Kellogg, Annie M. Alexander 1946-7-30 5095 Modoc Eagle Peak, Warner Mountains. East slope below summit. Comment
  UC118089  Arabis puberula R. M. Austin May 1894 30 Modoc Goose Lake Valley 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
  CAS-BOT-BC46710  Arctostaphylos patula Walter Knight; Irja Knight 1981-5-25 4110 Modoc On White House Road enroute to Egg Lake from Lookout. 1249 Comment
  RSA520436  Arctostaphylos patula Bruce Bartholomew, M. Bourell, Bartholomew 1990-4-28 5204 Modoc 8 km from Rush Creek on road up Hunters Ridge. 180 Comment
  RSA531334  Arenaria aculeata Bruce Bartholomew 1990-6-15 5245 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  SEINET195487  Arenaria congesta Annie M. Alexander, Louise Kellogg 1946-6-10 4708 Modoc Lava bench between Lower and Snake lakes. Comment
  UC1368463  Arenaria congesta var. subcongesta R. K. Gierisch 1969-7-15 3544 Modoc Comment
  SEINET10512616  Aristida oligantha Louis C. Wheeler 1935-9-6 Wheeler 3959 Modoc Fletcher Creek at Pease Place, Devil's Garden. S32, T27N, R12E. Dry sunny rocky stream bed. Comment
  SJSU9673  Arnica chamissonis W. Savage 1979-7-10 1521 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC15569  Arnica chamissonis subsp. foliosa Bruce Bartholomew 1989-7-15 4992 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC15401  Arnica cordifolia Betty J. Hammerly 1941-6-20 36 Modoc Clear Lake 1767 Comment
  CAS-BOT-BC15413  Arnica cordifolia Bruce Bartholomew 1990-6-15 5232 Modoc Flat between Deer Spring Ridge and Sweagert Flat. 1900 Comment
  CAS-BOT-BC15416  Arnica cordifolia K. Paulson; Robert Paulson 1989-6-21 144 Modoc Pine Creek Basin, W side of the Warner Mts. 2109 Comment
  CAS-BOT-BC15417  Arnica cordifolia Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mtns. at the summit. E. of Alturas Comment
  POM98603  Arnica cordifolia F. W. Peirson 1926-6-25 s.n. Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  CAS-BOT-BC15422  Arnica discoidea Bruce Bartholomew; Barrett Anderson 1988-7-21 4415 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  RSA504611  Arnica discoidea Bruce Bartholomew, B. Anderson 1988-7-21 4415 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CHSC115053  Arnica fulgens Jesssica O'Brien 2014-9-24 9483 Modoc EO#15 South of Hwy 139 on the Modoc NF. 1482 Comment
  JEPS6005  Arnica fulgens Frances D. Payne 1932-6-24 598 Modoc s and e of Alturas; Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC15281  Arnica longifolia John Thomas Howell 1934-6-11 11972 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15294  Arnica nevadensis Robert Patterson; Mona Bourell 1993-8-14 5217 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  UC91032  Arnica parryi Mrs. R. M. Austin 1894-8-1 309 Modoc Lassen Creek Comment
Read comments
Feb 28 2007
  CAS-BOT-BC15298  Arnica sororia Annie Montague Alexander; L. Kellogg 1946-6-14 4748 Modoc 0.25 mi. on branch of Silver Creek, Patterson Mill Road. 1828 Comment
  HSC81047  Arnica sororia G. M. Riegel 1979-7-14 541 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC15300  Arnica sororia John H. Hatton 1911-6-23 156 Modoc Modoc County. 1706 Comment
  JEPS35908  Arnica sororia Frances D. Payne 1931-6-20 203 Modoc s and e Alturas; Waner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC242407  Arrhenatherum elatius Ernest Christian Twisselmann 1961-9-22 6577 Modoc Warner Mountains: ridge at the SE end of Long Valley 2042 Comment
  JEPS121214  Arrhenatherum elatius Lowell Ahart, John Dittes 2013-7-24 18936 Modoc South bank of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC15218  Artemisia arbuscula subsp. arbuscula Leland S. Smith 1918-8-1 10541 /2 Modoc Squaw Peak - E. Cottonwood slope. 2286 Comment
  CAS-BOT-BC15253  Artemisia cana subsp. bolanderi Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10562 Modoc Patterson Ranger Station (East Creek drainage). 2164 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
  UC217088  Artemisia douglasiana H. M. Hall 1921-9-10 11670 Modoc Alturas Comment
  CAS-BOT-BC15256  Artemisia ludoviciana subsp. incompta Francis Dorris Payne 1934-8-29 s.n. Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15257  Artemisia ludoviciana subsp. incompta Bruce Bartholomew 1990-8-4 5631 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  UC1776687  Artemisia ludoviciana subsp. incompta G. Schoolcraft 1999-7-13 2861 Modoc Lower slopes of Warner Mountains 3 miles N of Eagleville, CA 1524 Comment
  CAS-BOT-BC93744  Artemisia ludoviciana subsp. incompta L. S. Smith 1032 Modoc Camp One above Lost Lake 2499 Comment
  RSA77971  Artemisia ludoviciana subsp. incompta Verne Grant, Alva Grant 1947-7-8 8005 Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC15269  Artemisia ludoviciana subsp. ludoviciana Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10566 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  CDA13461  Artemisia ludoviciana subsp. ludoviciana G. F. Hrusa, T. D. Wilfred 1996-7-21 13308 Modoc Modoc Plateau; Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  RSA0039540  Artemisia ludoviciana subsp. ludoviciana Lowell A. Ahart, John Dittes 2008-8-25 15278 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
  RSA767674  Artemisia ludoviciana subsp. ludoviciana L. Ahart, John Dittes 2010-8-30 17051 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  SEINET3479098  Artemisia tridentata Unknown 1991-8-28 4439 Modoc Modoc National Forest, Modoc National Forest, east of Bald Mountain, Warner Mountains 2310 Comment
  CAS-BOT-BC15214  Artemisia tridentata subsp. tridentata Roxana S. Ferris; Laura Lorraine 1941-8-13 10563 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  UC22966  Asclepias cordifolia Milo S. Baker 1893-7-8 Modoc Comment
  CAS-BOT-BC15659  Asclepias fascicularis Margaret J. Williams 1985-8-13 85- 66 -1 Modoc Big Sage Reservoir. 1524 Comment
  UC1483861  Asclepias fascicularis G. Schoolcraft 1980-8-6 347 Modoc se Spalding Butte (near Highway 139) 1450 Comment
  CAS-BOT-BC15663  Asclepias speciosa Bruce Bartholomew 1994-10-9 6888 Modoc 0.5 km N of Lassen County on road to Eagleville, S end of Surprise Valley. 1380 Comment
  CDA39827  Asclepias speciosa T. C. Fuller 1957-9-18 337 -57 Modoc Adin. 0 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
  CDA7120  Asperugo procumbens T. Briles 1932-6-3 Modoc Alturas. 0 Comment
  CHSC106317  Aster frondosus Lowell Ahart; John Dittes 2010-8-31 17123 Modoc Edge of pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UCR74622  Aster occidentalis R. D. Goeden, J. Teerink 1989-8-23 890823- 15 Modoc Warner Mtns., Modoc National Forest, near east end of Fandango Pass Rd. 1585 Comment
  UCR29779  Astragalus J. A. Harpel 1981-8-7 V- 58 Modoc Warner Mtns, South Warner Wilderness Area: on the pass above Patterson Lake along the Summit trail, 7 mi NW of Eagleville 2774 Comment
  POM23703  Astragalus canadensis var. brevidens G. Austin 1895-08 98 Modoc Shores of Goose Lake. Comment
  CDA26650  Astragalus curvicarpus T. C. Fuller 1965-6-3 13605 Modoc West side of Highway 395 to Alturas, 6.5 miles north of Likely. 0 Comment
  NY803545  Astragalus curvicarpus var. curvicarpus P. H. Raven 1958-6-18 13335 Modoc 8.6 miles west of Alturas on United States Highway 299 Comment
  UC13369  Astragalus curvicarpus var. curvicarpus Milo S. Baker 1893-6-24 Modoc near Forestdale (Lava Beds, sw Modoc); Lava Beds, near Forestdale Comment
  CAS-BOT-BC182070  Astragalus filipes Elmer Ivan Applegate 1897-5-31 881 Modoc Bloody Point, E side of Tule Lake. Comment
  CAS-BOT-BC182074  Astragalus filipes Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16433 Modoc 4 mi. E of summit of Cedar Pass. Comment
  CAS-BOT-BC182077  Astragalus filipes Bruce Bartholomew; Barrett Anderson 1989-6-2 4811 Modoc NE side of Upper Lake, 4 km S of road to Fee Reservoir, NE end of Surprise Valley. 1420 Comment
  NY658482  Astragalus filipes B. M. Bartholomew 1989-6-2 4811 Modoc NE side of Upper Lake, 4 km. S of road to Fee Reservoir, NE end of Surprise Valley 1420 Comment
  NY658497  Astragalus filipes B. J. Ertter 1988-6-18 7619 Modoc Hwy. 139 ca. 50 airmiles SW of Klamath Falls, a few miles N of Agricultural Inspection Station, 1 mile S of S jct. to Lava Beds Nat'l Monument E of Tonesta 1310.6 Comment
  SBBG3187  Astragalus filipes H. and M. Dearing 1939-6-7 3581 Modoc near Alturas Comment
  UC1563688  Astragalus filipes Barbara Ertter 1988-6-18 7619 Modoc 1 mi s of s jct to Lava Beds Nat'l Monument (e of Tonesta, Hwy 139 ca 50 airmi sw of Klamath Falls, a few mi n of Agric. Inspection Station); s of s jct to Lava Beds Nat'l Monument, e of Tonesta 1310 Comment
  UCR42407  Astragalus filipes G. R. Ballmer 1986-5-17 s.n. Modoc Along Hwy 139 from Klamath Falls to Alturas, east of Lava Beds National Monument, 9 mi. north of Perez. 1280 Comment
  CAS-BOT-BC182071  Astragalus filipes Amos Arthur Heller 1938-6-24 15226 Modoc Roadside between Canby and Alturas. 1219 Comment
  RSA303498  Astragalus filipes James R. Shevock 1972-5-20 1811 Modoc 17 miles So. of Alturas, Hwy 395. 1372 Comment
  SD61010  Astragalus gibbsii Darley F. Howe 1964-8-1 3910 Modoc 11 miles south of Alturas on Hwy 395 1280 Comment
  CAS-BOT-BC182060  Astragalus inversus Bruce Bartholomew; Barrett Anderson 1988-6-23 4237 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CDA20479  Astragalus lemmonii V. Popescu 2004-5-27 s.n. Modoc Modoc Plateau; Ash Creek State Wildlife Refuge near Adin. 0 Comment
  UC13458  Astragalus obscurus Mrs. R. M. Austin and Bruce June 1898 2215 Modoc foothills Goose Lake Comment
  CAS-BOT-BC182029  Astragalus purshii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16505 -A Modoc 22 mi. W of Canby along Highway 139. 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-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
  JEPS3943  Astragalus purshii N. T. Mirov 1929-5-30 Modoc Buck Creek Ranger Station e Goose Lake (Buck Creek Ranger Station, Warner Mountains); Warner Mountains, e of Goose Lake 1584 Comment
  CAS-BOT-BC182023  Astragalus purshii Elmer Ivan Applegate 1936-7-4 10511 Modoc N slope of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC182031  Astragalus purshii Elmer Ivan Applegate 1935-6-7 9400 Modoc Thomas Massacre area, Lava Beds National Monument. Comment
  CAS-BOT-BC182034  Astragalus purshii Mrs. H. C. Cantelow 1940-6-2 3798 Modoc W of Alturas on road to Bad Lands Nat. For. Comment
  CAS-BOT-BC182045  Astragalus purshii Mrs. H. C. Cantelow 1940-6-2 Modoc W of Alturas on road to Bad Lands Nat. For. Comment
  HSC26612  Astragalus purshii var. purshii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19367 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC27735  Astragalus whitneyi var. confusus Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5992 Modoc Mesa NW of Alturas 1371 Comment
  HSC75574  Astragalus whitneyi var. confusus G. M. Riegel 1980-6-25 773 Modoc South Warner Mtn. 1829 Comment
  UC585210  Astragalus whitneyi var. confusus E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1800 Modoc dry, gravelly, east facing slope of hill above Lake City; above Lake City 1524 Comment
  NY696558  Astragalus whitneyi var. confusus R. C. Barneby 1982-5-25 17842 Modoc In west foothills of Warner Mountains, 9 miles northeast of Alturas 1550 Comment
  RSA60323  Astragalus whitneyi var. confusus E. K. Balls 1950-5-10 15964 Modoc 0.5 mi. p ast fork of Hwy 395 and road from Alturas to Cedarville. 1585 Comment
  CAS-BOT-BC182018  Astragalus whitneyi var. lenophyllus Alice Eastwood; John Thomas Howell 1940-6-11 8011 Modoc 6 mi. NE of adin on road to Canby. Comment
  RSA185332  Athysanus pusillus Clare B. Hardham 1961-6-17 7512 -A Modoc Cedar Pass Campground, Warner Mountains. Comment
  SEINET5340470  Athysanus pusillus R. C. Rollins, K. W. Rollins 1981-6-1 81189 Modoc Cedar Summit, between Alturas and Cedarville, off California Hwy. 299. 1890 Comment
  UC1191370  Atriplex rosea Herbert L. Mason 1947-8-9 13477 Modoc e side Fairchild Swamp (n of Alturas); e side Fairchild Swamp, n of Alturas Comment
  UCR150952  Atriplex rosea Mary DeDecker 1974-9-30 3710 Modoc Modoc Plateau, just south of Alturas, along Highway 395 1280 Comment
Read comments
Aug 29 2007
  CAS-BOT-BC30209  Azolla mexicana Herbert Louis Mason 1947-8-12 13503 Modoc Junction of North and South Forks of Pit River, Alturas. Comment
  POM350741  Balsamorhiza hookeri Christopher Davidson 1975-6-4 2600 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  SEINET10958200  Balsamorhiza hookeri LeRoy E. Detling 1948-5-24 Detling 6254 Modoc N. Fork Pit River. 1463 Comment
  UC1119016  Balsamorhiza hookeri R. C. Wilson 1933-5-24 27 Modoc near Allen Place (Canby); Canby 1310 Comment
  CAS-BOT-BC15183  Balsamorhiza hookeri var. lanata Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6483 Modoc 5.6 km N of State Hwy 299 on Crowder Flat Road. 1580 Comment
  CAS-BOT-BC15186  Balsamorhiza hookeri var. lanata Francis Dorris Payne 1929-6-23 20 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15187  Balsamorhiza hookeri var. lanata M. M. Hanna 1956-6-5 s.n. Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC15132  Balsamorhiza sagittata Mrs. M. H. Manning 1903-5-1 113 Modoc Near Fort Bidwell. Comment
  CAS-BOT-BC15199  Balsamorhiza sagittata Lindsay Stuart Smith; E. H. Steffen 1917-6-2 29 Modoc Jess Valley, Modoc National Forest 1524 Comment
  UC88467  Balsamorhiza sagittata R. M. Austin 1894-5-1 47 Modoc Goose Lake Valley Comment
  RSA0012342  Balsamorhiza sagittata Joan Stewart 2005-6-6 2487 Modoc Stowe Reservoir, Warner Mountains. Comment
  UC748328  Balsamorhiza sagittata Annie M. Alexander and Louise Kellogg 1946-6-10 4720 Modoc between Lower and Snake lakes Comment
  CAS-BOT-BC15141  Balsamorhiza serrata Bruce Bartholomew 1994-5-15 6695 Modoc Poison Spring Canyon near junction with Schamp Creek. Ca. 8 km E of Fort Bidwell. 1480 Comment
  SEINET11841141  Balsamorhiza serrata W. A. Weber 1953-1 8455 Modoc 23 mi NW of Davis Creek, W shore of Goose Lake 1463 Comment
  CAS-BOT-BC58673  Barbarea orthoceras Bruce Bartholomew; Barrett Anderson 1988-5-14 4187 Modoc 1.6 km W of Davis Creek SE corner of Goose Lake along Riverside Road. 1450 Comment
  JEPS117917  Bassia hyssopifolia L. P. Janeway, B. Castro 2008-8-16 9547 Modoc Surprise Valley Modoc Plateau (east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville) 1378 Comment
  NY529208  Bassia hyssopifolia B. M. Bartholomew 1990-7-21 5551 Modoc West edge of Middle Alkali Lake, directly east of Cedarville, Surprise Valley 1370 Comment
  RSA210841  Bassia hyssopifolia R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39022 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  SEINET10934453  Beckmannia syzigachne Louis C. Wheeler 1935-10-5 Wheeler 4019 Modoc N Fork Pit River at Parker Creek. Damp silt. 1372 Comment
  UCSC000020  Beckmannia syzigachne August L. Hormay 1932-7-15 s.n. Modoc Crowder Ranger Station Comment
  UC472296  Berberis aquifolium var. aquifolium Milo S. Baker 1893-1 Modoc Big Valley Mts Comment
  UC472311  Berberis aquifolium var. repens Franklin P. Nutting 1890-1 Modoc Mts near Davis Creek Comment
  UC1561006  Bergia texana Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10487 Modoc Warner Mountains: Bed of Snake Lake. Comment
  CAS-BOT-BC54192  Betula occidentalis Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6468 Modoc Along Emerson Creek below Emerson Campground, E side of Warner Mountains. 1600 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
  JEPS127312  Bidens cernua Lowell Ahart, John Dittes 2016-7-14 21152 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  UC1192189  Bidens cernua Herbert L. Mason and Verne Grant 1947-7-12 13400 Modoc several mi s of Alturas (by Jones' Lane off Highway 395); Highway 395, Jones' Lane Comment
  RSA608435  Bidens cernua L. C. Wheeler 1935-9-5 3956 Modoc Tuttle Place, west side Goose Lake 1463 Comment
  UC71607  Bidens cernua Mrs. M. H. Manning 1903-8-25 331 Modoc Sessions Swamp, n end of Upper Alkali Lake Sessions Swamp, Upper Alkali Lake Comment
  CAS-BOT-BC15104  Blepharipappus scaber Fred D. Douthitt 1916-5-11 12 Modoc Juniper Flats, Modoc National Forest 1524 Comment
  JEPS12362  Blepharipappus scaber N. T. Mirov 1929-6-16 Modoc 2 mi nw Fandango Valley (Buck Creek Ranger Station, n Warner Mountains); Warner Mountains 1615 Comment
  CAS-BOT-BC58289  Boechera lemmonii Elmer Ivan Applegate 1932-8-3 8123 Modoc Summit of Warner Mts. just N of Eagle Peak. Comment
  CAS-BOT-BC35123  Boechera puberula E. S. Willits 1940-5-6 225 Modoc Davis Creek. Comment
  CAS-BOT-BC14523  Boechera puberula B. Bartholomew 1991-6-23 5878 Modoc 2.6 km northeast of Crowder Flat Road on road between Ingall Swamp and Dorris Brothers Reservoir. 1520 Comment
  UCD150423  Boechera puberula Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  CAS-BOT-BC25535  Boechera retrofracta B. Bartholomew 1990-6-18 5361 Modoc 1.6 mile south of Davis Creek on Highway 395. 1450 Comment
  CAS-BOT-BC58293  Boechera retrofracta R. M. Austin 1885-1-1 Modoc Modoc County. Comment
  CAS-BOT-BC25698  Boechera sparsiflora B. Bartholomew 1991-5-25 5765 Modoc 8 km east of Likely on road to Jess Valley, north side of road along north side of South Fork of Pit River. 1460 Comment
  CAS-BOT-BC95738  Boechera sparsiflora Bruce Bartholomew; Barrett Anderson 1989-4-29 4668 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  RSA0128802  Boechera sparsiflora Bruce Bartholomew, B. Anderson 1988-5-13 4145 Modoc Along Parker Creek Road, at the border of Modoc National Forest and 16 km WSW of Alturas, side of the Warner Mtns. 1580 Comment
  CAS-BOT-BC25893  Boechera subpinnatifida Ethel S. Willits 1940-4-27 196 Modoc Near quarantine station, Alturas. 1371 Comment
  CAS-BOT-BC25896  Boechera subpinnatifida B. Bartholomew; M. Bourell 1990-4-28 5198 Modoc 0.3 km south of Davis Creek on highway 395. 1450 Comment
  POM204158  Boisduvalia glabella J. T. Howell 1934-7-2 12351 Modoc Mowitz Creek, 1 mile S of Clear Lake. Comment
  UC2116  Bolboschoenus fluviatilis Milo S. Baker 1893-7-2 Modoc Egg 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
  CAS-BOT-BC242401  Bromus briziformis Gordon H. True 1964-6-3 1454 Modoc N fork Pit River between Alturas and Goose Lake. 1463 Comment
  CAS-BOT-BC242404  Bromus briziformis Margaret J. Williams 1969-1-1 s.n. Modoc Jess Valley. Comment
  UCD58303  Bromus carinatus L. D. Whitney 1935-7-11 s.n. Modoc Hackamore. Comment
  CAS-BOT-BC242428  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1988-7-22 4487 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  JEPS69157  Bromus carinatus var. carinatus L. S. Smith 1917-7-24 111 Modoc Warner Mountains, Joseph Creek Joseph Creek; Warner Mountains, Joseph Creek 1981 Comment
  SJSU9555  Bromus carinatus var. carinatus Wayne Savage 1979-7-3 1293 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1037151  Bromus carinatus var. carinatus Leo Whitney 1935-7-6 3413 Modoc Pit River near Lookout Pit River Comment
  UC1137106  Bromus carinatus var. carinatus August L. Hormay 1932-7-15 Modoc Crowder Flat Ranger Station Comment
  JEPS69152  Bromus carinatus var. carinatus Leland S. Smith c. 1917 807 Modoc Comment
  SEINET201658 Image available Bromus carinatus var. marginatus Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8494 Modoc Along Clear Lake; Warner Mts. 15 mi. E of Likely. 1829 Comment
  HSC93546  Bromus inermis G. Fred Hrusa, T. D. Wilfred 1996-7-21 13310 Modoc Along Pit River at Rd. 90 bridge, E base of Splawn Mtn., N end of Big Valley 1500 Comment
  UC1024968  Bromus japonicus Leo Whitney 1935-7-6 3440 Modoc Pit River near Lookout; Pit River Comment
  SEINET5720387 Image available Bromus mollis Annie M. Alexander, Louise Kellogg 1946-1 4792 Modoc Silver Creek roads.; Patterson Mill 1829 Comment
  UCD59057  Bromus orcuttianus A. A. Beetle 1944-8-15 3033 Modoc N of Lookout. Above Happy Camp Ranger Station. Comment
  SEINET231888 Image available Bromus racemosus Unknown 1985-6-23 8599 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near highway 139 1311 Comment
  UC70664  Bromus secalinus Mrs. M. H. Manning June 1903 416 b Modoc in north-eastern Modoc County Modoc County Comment
  CAS-BOT-BC242500  Bromus tectorum Leland S. Smith 1924-5-3 1349 Modoc Egg Lake. 1310 Comment
  HSC23519  Bromus tectorum R. Lewis 1968-6-4 11 Modoc 4 mi. SE of Canby, on old Alturas Hwy. 1402 Comment
  UC1024846  Bromus tectorum Leo Whitney 1935-6-9 3204 Modoc White Horse Comment
  SEINET3923573  Bromus tectorum Leo Whitney 1935-5-26 3155 Modoc Ash Ceek, 10 miles east of Adin.; 0 Comment
  POM228882  Callitriche hermaphroditica L. C. Wheeler 1935-4-22 3904 Modoc South Mt. Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC95091  Callitriche heterophylla var. bolanderi Robert Folger Thorne; C. W. Tilforth 1969-9-5 39141 Modoc Small ditch in pasture ca. 1/2 mi. E of Likely. 1356 Comment
  CAS-BOT-BC95100  Callitriche palustris Louis Cutter Wheeler 1935-8-15 3863 Modoc Dismal Swamp. 2225 Comment
  UC1101518  Callitriche verna Herbert L. Mason and Verne Grant 1947-7-11 13366 Modoc s of Alturas (by Jones' Lane, off Highway 395) Comment
  UC401354  Calocedrus decurrens W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  UC1036071  Calochortus leichtlinii Annie M. Alexander and Louise Kellogg 1946-7-22 5037 Modoc w of Warner Mts. divide (Patterson Mill Road); Warner Mts. Comment
  UCD77254  Calochortus longebarbatus Robert E. Preston 2000-7-18 1396 Modoc Ca. 11 mi nw of Canby, along Hwy 139, 2.65 mi e of Forest Service Rd 44N11. 1490 Comment
  CAS-BOT-BC244928  Calochortus longebarbatus var. longebarbatus Dean William Taylor; G. L. Clifton 1987-6-24 9058 Modoc Egg Lake. Border of wet meadow tributary to lakebed. 1280 Comment
  UCD139524  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-7-18 1856 Modoc west of and adjacent to road 5500,near Niles Flat, 0.2 mile north of the road junction at the center of the edge of section 8. 1676 Comment
  UC3386  Calochortus longebarbatus var. longebarbatus Milo S. Baker 1893-6 Modoc Comment
  POM290693  Calochortus macrocarpus Lyman Benson 1930-7-20 2233 Modoc 15 miles north Alturas, Warner Mountains Comment
  UC725405  Calochortus macrocarpus A. A. Heller 1940-6-29 15747 Modoc about 5 mi w Alturas (on U.S. Highway 299) Comment
  HSC15362  Calochortus macrocarpus var. macrocarpus Thomas W. Stark 1967-7-16 84 Modoc 2 mi. S of Lava Beds Natl. Monument, 10 mi. W of the town of Perez 915 Comment
  HSC15363  Calochortus macrocarpus var. macrocarpus M. T. Milligan 1966-7-7 563 Modoc Slopes and ridges east of Jess Valley 1768 Comment
  CAS-BOT-BC217329  Caltha leptosepala Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16485 Modoc 6.4 mi. S of Lassen Creek camp ground, on road to Buck Mt., Warner Mts. Comment
  NY485969  Caltha leptosepala subsp. howellii B. M. Bartholomew 1988-6-24 4327 Modoc Lily Lake, west side of the Warner Mountains. Fort Bidwell 15' Quad. 2130 Comment
  RSA0039544  Calycadenia ciliosa Lowell A. Ahart, John Dittes 2008-8-26 15331 Modoc On the sides of County Road 85a, 287 feet east of County Road 91, 7.7 miles (air) north-northeast of Lookout. 1303 Comment
  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
  CAS-BOT-BC197579  Calyptridium umbellatum Elmer Ivan Applegate 1932-8-3 8128 Modoc Arid summit of Eagle Peak, Warner Mts. Comment
  UC7759  Calyptridium umbellatum Mrs. R. M. Austin and Bruce June 1898 2225 Modoc Goose Lake Valley Comment
  HSC6382  Calystegia occidentalis subsp. occidentalis M. T. Milligan 1965-6-30 387 Modoc E of Jess Valley. 1707 Comment
  UC1004347  Camassia quamash subsp. breviflora Leo Whitney 1934-5-13 Modoc Weed Valley, northern Modoc County Weed Valley 1524 Comment
  UC1037228  Camassia quamash subsp. breviflora Leo Whitney 1934-5-13 1742 Modoc ene of Clear Lake (Weed Valley in northern part of county); Weed Valley 1524 Comment
  NY850417  Camissonia andina M. J. Williams 1984-7-1 84- 87 --4 Modoc Northwest of Alturas, Crowder Flat Road, near the Big Sage Reservoir 1372 Comment
  NY850969  Camissonia boothii subsp. alyssoides B. M. Bartholomew 1993-5-10 6451 Modoc At the Nevada border directly east of Eagleville, east side of Surprise Valley 1520 Comment
  NY851235  Camissonia claviformis var. cruciformis B. M. Bartholomew 1991-5-24 5704 Modoc Surprise Valley, 6.6 km east of Eagleville 1390 Comment
  JEPS118276  Camissonia contorta Lowell Ahart, John Dittes 2011-6-22 17544 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  CAS-BOT-BC191105  Camissonia pusilla Bruce Bartholomew 1993-6-13 6642 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  NY852051  Camissonia subacaulis L. C. Wheeler 1935-8-1 3731 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225 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
  CAS-BOT-BC191089  Camissonia tanacetifolia subsp. tanacetifolia Robert Folger Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39085 Modoc E shore of Goose Lake at Willow Ranch. 1432 Comment
  POM204166  Camissonia tanacetifolia subsp. tanacetifolia J. T. Howell 1934-6-15 12196 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  RSA518987  Camissonia tanacetifolia subsp. tanacetifolia Barbara Ertter 1988-6-18 7606 Modoc West side of Highway 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument. 1250 Comment
  CAS-BOT-BC248378  Cardamine breweri Louis C. Wheeler 1935-8-15 s.n. Modoc Dismal Swamp 2225 Comment
  CAS-BOT-BC58471  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1988-7-23 4578 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC58668  Cardamine cordifolia C. L. Hitchcock 1940-5-27 6712 Modoc 15 mi. NE of Alturas. 1676 Comment
  NY120019  Cardaria chalepensis K. Paulson 1991-7-13 239 Modoc Near Bear Flat Road, southern Warner Mountains 2164.1 Comment
  CDA6844  Carduus acanthoides C. B. Greenbank, J. Massey 1978-8-8 Modoc Both sides of County Road #91, 1.6 km (1 mile) south of Highway 139, 29 km (18 miles) northwest of Canby. 0 Comment
  CAS-BOT-BC242400  Carex Annie Montague Alexander; L. Kellogg 1946-7-23 5047 Modoc Emerson Peak. 2750 Comment
  CAS-BOT-BC242329  Carex abrupta Louis Cutter Wheeler 1935-8-16 3878 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC242330  Carex abrupta Bruce Bartholomew; Barrett Anderson 1988-7-22 4542 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  RSA577787  Carex aquatilis var. aquatilis L. C. Wheeler 1935-8-16 3871 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer 2226 Comment
  CAS-BOT-BC242370  Carex athrostachya John Thomas Howell 1934-6-12 12030 Modoc Plum Valley. Comment
  CAS-BOT-BC242371  Carex athrostachya Herbert Louis Mason; Verne Grant 1947-7-10 13355 Modoc Pasture land 1/4 mi. W of Doris Reservoir, 2 mi. E of Alturas. Comment
  SEINET7550699 Image available Carex athrostachya John Thomas Howell 1934-6-12 12030 Modoc Plum Valley, Warner Mts. Comment
  UC189590  Carex aurea Milo S. Baker Modoc Big Valley Mts. Comment
  CDA33031  Carex barbarae T. C. Fuller 1964-10-8 12702 Modoc West side of Highway 395 at southern limits of Likely. 0 Comment
  CAS-BOT-BC245193  Carex bolanderi Bruce Bartholomew; Barrett Anderson 1988-7-23 4590 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  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
  CAS-BOT-BC245192  Carex densa Mrs. H. C. Cantelow 1941-5-23 3635 Modoc Hwy 299, 7.5 mi. W of Adin Pass Summit. Comment
  UC1586928  Carex densa Juha Pykala and D. H. Norris 1987-5-28 1301 Modoc Joseph Creek Rd. about 3 road mi from Highway 395 (w of Warner Mountains) 1550 Comment
  CHSC67135  Carex douglasii James D. Jokerst 1987-5-13 2869 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  CAS-BOT-BC242367  Carex filifolia var. erostrata Leland S. Smith 1920-6-2 1160 1/2 Modoc Dismal Swamp. 2042 Comment
  POM81337  Carex hassei Mrs. R. M. Austin 1895-07 491 Modoc Goose Lake Valley. Comment
  UC1036067  Carex heteroneura Annie M. Alexander and Louise Kellogg 1946-7-19 5030 Modoc Benton Meadow, Warner Mountains Comment
  CAS-BOT-BC242364  Carex illota Robert J. Weatherby 1955-7-7 1603 Modoc Dismal Swamp. 2240 Comment
  CAS-BOT-BC242361  Carex jonesii Bruce Bartholomew; Barrett Anderson 1988-7-21 4606 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  UC1158683  Carex lenticularis var. lipocarpa Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8499 Modoc 15 mi e of Likely (just above Clear Lake, Warner Mountains, along Mill Creek); Warner Mountains, Mill Creek 1828 Comment
  RSA504655  Carex leptopoda Bruce Bartholomew, B. Anderson 1988-7-23 4590 Modoc Pine Creek, 4 km E of U. S. Highway 395 on the road to Lily Lake, Warner Mountains. 1620 Comment
  HSC48001  Carex multicaulis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19461 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  JEPS118471  Carex nebrascensis Lowell Ahart, John Dittes 2011-6-21 17522 Modoc About 30 yards west of the fence, meadow like area in uplands south of the big meadow, Ash Creek State Wildlife Area, about 1000 feet north of Lassen County Line, about 3.6 miles (air) northeast of Bieber, Big Valley 1267 Comment
  SJSU9665  Carex nebrascensis W. Savage 1979-7-9 1510 Modoc border of pond by ranch house, Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC119034  Carex pellita Herbert L. Mason; Verne Grant 1947-7-12 13423 Modoc Irrigation ditch near S end of W side road, along RR tracks, Pit River Valley, S of Alturas. Comment
  UC826624  Carex pellita John Thomas Howell 1934-6-16 12207 Modoc Parker Creek Warner Mts. 1584 Comment
  UCD140721  Carex pellita Herbert L. Mason; Verne Grant 1947-7-12 13423 Modoc near south end of west side road, along railroad tracks, Pit River Valley, south of Alturas. Comment
  CAS-BOT-BC245158  Carex petasata Clare Butterworth Hardham 1961-6-17 7808 Modoc North fork of the Pit River, 3.3 mi. S of junction of 395 and 8A. Comment
  CHSC109464  Carex rossii L. P. Janeway; B. Castro 2012-7-26 11015 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  CHSC109503  Carex rossii L. P. Janeway; B. Castro 2012-7-24 10958 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New PIne Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. 2250 Comment
  JEPS120580  Carex rossii L. P. Janeway, B. Castro 2012-7-24 10958 Modoc Warner Mountains. Along Forest Road / county Raod 2 (the road from new Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. Comment
  UC1024328  Carex scopulorum var. bracteosa Annie M. Alexander and Louise Kellogg 1946-6-28 4856 Modoc Pine Creek Canyon Warner Mountains 2240 Comment
  UC1540258  Carex simulata Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9083 Modoc along Highway 299 Highway 299 1402 Comment
  HSC75581  Carex straminiformis G. M. Riegel 1979-9-8 762 Modoc S Warner Mtns. 1829 Comment
  POM203050  Carex subfusca J. T. Howell 1934-6-16 12208 Modoc Parker Creek, Warner Mountains. 1585 Comment
  RSA252422  Carex utriculata Robert F. Thorne, C. W. Tilforth 1969-9-5 39157 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  SEINET8275878  Carex utriculata Unknown 1969-9-5 Modoc Modoc National Forest, Warner Mts., at margin of Clear Lake 1768 Comment
  RSA504668  Castilleja angustifolia K. Paulson, R. Paulson 1988-5-24 17 Modoc Granger Canyon, Warner Mountains. 1494 Comment
  SJSU9703  Castilleja applegatei W. Savage 1979-7-10 1530 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CAS-BOT-BC225975  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1932-7-31 7950 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CAS-BOT-BC225976  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1932-7-31 7950 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CAS-BOT-BC225980  Castilleja applegatei subsp. pinetorum E. S. Willits 1940-5-6 216 Modoc Hillside near Lassen Creek, Willow Ranch. 1371 Comment
  CAS-BOT-BC225987  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mountains 1935 Comment
  CAS-BOT-BC225998  Castilleja applegatei subsp. pinetorum Francis Dorris Payne 1931-6-11 148 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC229820  Castilleja applegatei subsp. pinetorum C. C. (Mrs.) Bruce 1893-6-1 95 Modoc Davis Creek. Comment
  CAS-BOT-BC229824  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-6-11 11914 Modoc Parker Creek, Warner Mountains 1584 Comment
  JEPS29112  Castilleja applegatei subsp. pinetorum Lauramay T. Dempster 1961-6-20 1717 Modoc just n Dismal Creek Road with Fort Bidwell Road; Warner mts. 2346 Comment
  RSA425922  Castilleja applegatei subsp. pinetorum Christopher Davidson 1973-5-26 2121 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA59712  Castilleja applegatei subsp. pinetorum N. N. Thompson 1950-5-18 14764 Modoc By Lower Rush Creek Public Camp, E. from Hwy 299, about 8 mi. N. of Adin. 1311 Comment
  UC1012495  Castilleja applegatei subsp. pinetorum Francis W. Pennell 1940-6-8 25735 Modoc 8 mi w Canby (Route 299) 1432 Comment
  UC885467  Castilleja applegatei subsp. pinetorum C. L. Hitchcock 1940-5-27 6677 Modoc 15 mi ne Alturas 1615 Comment
  UC748159  Castilleja arachnoidea Annie M. Alexander and Louise Kellogg 1946-7-30 5099 Modoc e slope near summit Eagle Peak; Warner Mountains Comment
  UC27233  Castilleja arachnoidea Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC226018  Castilleja chromosa Bruce Bartholomew; Barrett Anderson 1989-4-29 4677 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC226022  Castilleja lacera Elmer Ivan Applegate 1929-6-24 5893 Modoc Between Alturas and Davis Creek. Comment
  CAS-BOT-BC226023  Castilleja lacera David Daniels Keck; Jens Chr. Clausen 1935-6-24 3720 Modoc 14 mi. S of New Pine Creek. 1525 Comment
  CAS-BOT-BC226029  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1988-6-23 4238 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC226031  Castilleja lacera Bruce Bartholomew 1990-6-15 5221 Modoc W side of Deer Spring Ridge in vicinity of Reid Draw, ca. 1 km N of the Lasson Co. border. 1540 Comment
  JEPS13374  Castilleja linariifolia Herbert L. Mason 1955-8-14 14654 Modoc sw side Goose Lake (at Fletcher's Place) Comment
  CAS-BOT-BC226046  Castilleja miniata Annie Montague Alexander; L. Kellogg 1946-7-29 5088 Modoc Below divide, head of Eagle Creek. Comment
  CAS-BOT-BC226045  Castilleja miniata John H. Hatton 1911-6-10 8 Modoc Modoc County. 1767 Comment
  JEPS27956  Castilleja miniata Frances D. Payne 1931-7-4 316 Modoc Parker Creek, w slope of the Warner Range Parker Creek; Warner Range 1584 Comment
  UC1191864  Castilleja minor subsp. minor Herbert L. Mason 1947-8-11 13493 Modoc w margin Lower Lake (on Highway 81, near boundary between Lassen and Modoc Counties) Comment
  RSA46754  Castilleja payneae J. T. Howell 1934-6-14 12110 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC226060  Castilleja pilosa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16470 Modoc Roadside 2.4 mi. S of Davis Creek, SE side of Goose Lake. Comment
  CAS-BOT-BC241006  Castilleja pilosa John Thomas Howell 1934-6-12 11993 Modoc 6 miles s. of Davis Creek Comment
  SJSU9577  Castilleja pilosa W. Savage 1979-7-3 1334 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1540226  Castilleja pilosa Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9110 Modoc headwaters of upper South Deep Creek; Warner Mountains 2194 Comment
  UC1561056  Castilleja pilosa Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9011 Modoc se margin Egg Lake (along the stream draining into Kramer Reservoir); Upper Modoc Plateau, Kramer Reservoir 1408 Comment
  JEPS77521  Castilleja pilosa L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4891 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen County line); Warner Mts. 2011 Comment
  CAS-BOT-BC226070  Castilleja tenuis Elmer Ivan Applegate 1932-7-8 7563 Modoc W side of Cowhead Lake. Comment
  CAS-BOT-BC226071  Castilleja tenuis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16509 Modoc 13 mi. W of Canby along Calif. St. Hwy 139. Comment
  CAS-BOT-BC226074  Castilleja tenuis Bruce Bartholomew 1990-6-16 5283 Modoc Flat, 1.1 km W of West Warner Road just S of Bear Flat. 1830 Comment
  CAS-BOT-BC226077  Castilleja tenuis Francis Dorris Payne 1931-6-12 158 Modoc Parker Creek, Warner Mountains 1584 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
  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
  UC27209  Castilleja tenuis Milo S. Baker 1893-7-9 Modoc Adobe Lake bottom Adobe Lake Comment
  CAS-BOT-BC217105  Ceanothus prostratus Alice Eastwood; John Thomas Howell 1940-6-13 8130 Modoc Near Davis Creek. Comment
  CAS-BOT-BC217106  Ceanothus prostratus L. A. M. Black 1894-1-1 93 Modoc Davis Creek. Comment
  POM126434  Ceanothus prostratus B. C. Goldsmith 1911-5-20 21 Modoc Sugar Hill, W slope Warner Mts. 1524 Comment
  POM136509  Ceanothus prostratus M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  UC18389  Ceanothus prostratus Mrs. R. M. Austin June, 1894 Modoc Willow Creek Comment
  SEINET13946047 Image available Ceanothus prostratus E. K. Balls 14632 Modoc .75 mile below (east of) crest of Fandango Pass. (from Fort Bidwell- Lake City Road to Bucks Creek Ranger Station on Hwy 395) Alt. 6100 ft 1859 Comment
  CHSC106187  Centaurea cyanus Lowell Ahart; John Dittes 2010-8-31 17100 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC111400  Centaurea cyanus Lowell Ahart; John Dittes 2012-7-12 18379 Modoc On dry rocky bare soil, on the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1262 Comment
  HSC5232  Centaurea cyanus M. T. Milligan 1964-6-4 28 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  CAS-BOT-BC15095  Centaurea maculosa Bruce Bartholomew 1989-7-14 4970 Modoc N end of Big Valley. Comment
  JEPS117502  Centaurium exaltatum Lowell Ahart, John Dittes 2010-8-31 17125 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC71817  Centaurium muehlenbergii Mrs. M. H. Manning Aug 1903 217 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  POM128271  Centaurium muehlenbergii Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC95502  Ceratophyllum demersum Robert Folger Thorne; C. W. Tilforth 1969-9-5 39187 Modoc Pine Creek where it crosses Hwy. 395, 3.4 mi. S of Alturas. 1341 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
  CAS-BOT-BC197532  Cercocarpus betuloides var. betuloides Leland S. Smith 1922-8-28 1336 Modoc Canyon E of Andrews Ranch 1524 Comment
  JEPS45550  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-7-23 Modoc Forestdale Comment
  HSC59869  Cercocarpus ledifolius J. P. Smith, J. O. Sawyer 1973-8-9 7267 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  RSA104148  Cercocarpus ledifolius Milo S. Baker 1893-1 s.n. Modoc [Unspecified] Comment
  CAS-BOT-BC197533  Cercocarpus ledifolius var. ledifolius A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill. Comment
  CAS-BOT-BC15052  Chaenactis douglasii var. douglasii M. M. Hanna 1956-6-5 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC15070  Chaenactis douglasii var. douglasii Robert Patterson; Mona Bourell 1993-8-15 5237 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC67903  Chaenactis douglasii var. douglasii J. P. Smith, J. O. Sawyer 1973-8-8 7245 Modoc S slopes of Eagle Peak 2561 Comment
  SFV18028  Chaenactis douglasii var. douglasii J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc 1 mile east of Siskiyou county line along Lava Beds National Monumemt Road. 1310 Comment
  HSC12272  Chaenactis douglasii var. douglasii Richard Spjut 1970-7-20 484 Modoc ca. 6 miles west of Davis Creek near the south end of Goose Lake 1402 Comment
  HSC5249  Chaenactis douglasii var. douglasii M. T. Milligan 1966-6-19 473 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC141743  Chamaebatiaria millefolium L. S. Smith 1918-8-7 1012 Modoc Black Knob, Camp One T38-16 2438 Comment
  UC1037213  Chamaebatiaria millefolium Leo Whitney 1934-6-5 1579 Modoc Modoc National Forest, Quaking Asp Modoc National Forest; , Quaking Asp 1219 Comment
  CAS-BOT-BC245413  Chamaesaracha nana Elmer Ivan Applegate 1932-8-5 8164 Modoc Cedar Pass, Warner Mountains. Comment
  UC71712  Chamaesaracha nana Mrs. M. H. Manning 1903-8-27 334 Modoc near Fort Bidwell (ne Modoc County) Comment
  HSC80796  Chamaesaracha nana G. M. Riegel 1980-7-3 823 Modoc S Warner Mtns. 2100 Comment
  UC1192290  Chamaesyce serpyllifolia Verne Grant and Irving Schneider 1947-7-20 8089 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  JEPS121230  Chenopodium album Lowell Ahart, John Dittes 2013-7-24 18933 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  HSC4398  Chenopodium chenopodioides M. T. Milligan 1966-6-29 490 Modoc N end of Jess Valley 1616 Comment
  UC1191323  Chenopodium chenopodioides Herbert L. Mason 1947-8-15 13555 Modoc Crane Creek Goose Lake, Willow Ranch (mouth, e side of lake) Comment
  CAS-BOT-BC95521  Chenopodium foliosum Leland S. Smith 1920-8-12 21 Modoc Cantrall's Mill. 1828 Comment
  CDA3013  Chenopodium foliosum T. C. Fuller, W. T. Parsons 1960-7-26 4874 Modoc E. H. Boys Ranch, Lassen Creek, ca. 2 miles southeast of Highway 395. 0 Comment
  SJSU9628  Chenopodium fremontii W. Savage 1979-7-7 1446 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1499 Comment
  RSA531330  Chenopodium fremontii Bruce Bartholomew, B. Anderson 1990-7-20 5455 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  NY537067  Chenopodium glaucum L. C. Wheeler 1935-8-18 3892 Modoc 2 miles northeast of Alturas Comment
  CHSC109211  Chimaphila umbellata L. P. Janeway; B. Castro 2012-7-24 10967 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  UC52605  Chorizanthe polygonoides var. polygonoides M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  JEPS21429  Chrysothamnus humilis W. L. Jepson 1918-8-7 7881 Modoc Mt. Bidwell 2507 Comment
  POM41246  Chrysothamnus nauseosus subsp. albicaulis Mrs. R. M. Austin 1895-07 542 Modoc Alturas Comment
  CDA34730  Chrysothamnus nauseosus subsp. consimilis L. Ahart, John Dittes 2010-8-3 17052 Modoc About 3 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  RSA795594  Chrysothamnus nauseosus subsp. consimilis L. Ahart, John Dittes 2010-8-30 17052 Modoc About 3 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  RSA628300  Chrysothamnus parryi subsp. nevadensis L. C. Wheeler 1973-8-26 s.n. Modoc Warner Mountains: 1 1/2 mile north of Sworinger Reservoir. 1767 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
  CHSC85170  Chrysothamnus viscidiflorus subsp. viscidiflorus John Dittes; Josephine Guardino 1991-7-21 391 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  JEPS31102  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest C. Twisselmann 1961-9-22 6573 Modoc Warner Mountains, Jess Valley 1676 Comment
  CAS-BOT-BC21485  Cicuta douglasii John Thomas Howell 1934-6-12 12001 Modoc Davis Creek. Comment
  JEPS25822  Circaea alpina subsp. pacifica F. H. Frost 1925-7-12 66 Modoc Stow's Meadow, Cedar Canyon Warner Mts., Cedar Canyon, Stow's Meadow Comment
  RSA0070848  Cirsium andersonii Bruce Bartholomew, B. Anderson 1990-7-19 5441 Modoc Sweagert Flat. 1860 Comment
  SEINET3840780  Cirsium arvense var. mite Thomas Parsons Fuller, T. W. 1960-7-26 4872 Modoc 1.5 miles South of Tulelake, Highway 139, in grain field Comment
  CAS-BOT-BC14966  Cirsium cymosum Thomas C. Fuller 1959-7-8 2741 Modoc Hwy 13, 7 mi. NE of Canby. Comment
  CAS-BOT-BC14967  Cirsium cymosum Bruce Bartholomew; Barrett Anderson 1988-6-25 4379 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CDA14604  Cirsium cymosum G. D. Barbe 1991-8-27 4444 Modoc Warner Mountains; east of Bald Mountain, Modoc National Forest. 2316 Comment
  RSA0049630  Cirsium cymosum var. canovirens Dean Wm. Taylor 2012-6-5 21219 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  CAS-BOT-BC14974  Cirsium douglasii var. breweri Thomas C. Fuller 1975-9-4 20098 Modoc Lunsford Spring, California Pines. Comment
  CDA1194  Cirsium douglasii var. breweri G. D. Barbe, T. C. Fuller 1979-8-21 2545 Modoc 5.6 km S of Fort Bidwell; W side of County Hwy 1, 3.2 km N of Fandango Pass Rd. Comment
  CAS-BOT-BC14935  Cirsium occidentale var. candidissimum Roxana Stinchfield Ferris 1951-9-14 12466 Modoc Cedar Pass, Warner Mountains, between Cedarville and Alturas Comment
  CHSC85426  Cirsium occidentale var. candidissimum John Dittes; Josephine Guardino 1991-8-23 451 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 2.6 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.8 air-miles south of Oregon border, ca. 4.8 air-mile west of Dismal Swamp; Pine Creek Canyon, slope above Highgrade Road. 1545 Comment
  CDA15028  Cirsium ochrocentrum var. ochrocentrum B. Villegas, Len Smith 1998-8-19 s.n. Modoc Modoc Plateau; Alturas at intersection of Pencil & Woodchuck Rds. Comment
  CDA1509  Cirsium ochrocentrum var. ochrocentrum G. D. Barbe 1982-7-13 3885 Modoc NE of Alturas, 0.5 mi. N of Hwy 395 at Woodrich & Pencil Rds. 0 Comment
  CDA1605  Cirsium undulatum D. B. Joley, C. D. Hunter 1983-8-3 s.n. Modoc S side of Hwy 139, 30 meters W of Hackamore Rd. (1 mi E of MP 19.00). Comment
  SEINET195634  Cirsium vaseyi Annie M. Alexander, Louise Kellogg 1946-6-14 4766 Modoc Silver Creek Branch of Patterson Mill road. 1829 Comment
  CAS-BOT-BC190998  Clarkia Leland S. Smith 1924-6-3 1359 Modoc Kramer Reservoir, near Egg Lake Ranch. Comment
  JEPS126548  Clarkia gracilis Lowell Ahart, John Dittes 2016-6-6 20943 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  POM260363  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  UC748412  Clarkia gracilis subsp. gracilis Annie M. Alexander and Louise Kellogg 1946-6-12 4738 Modoc w side Fandango Pass road 1706 Comment
  CAS-BOT-BC191051  Clarkia lassenensis M. M. Hanna 1958-6-22 s.n. Modoc Along road near Canby. Comment
  CAS-BOT-BC191054  Clarkia lassenensis Annie Montague Alexander; L. Kellogg 1946-6-12 4738 Modoc Fandango Pass road. 1706 Comment
  UC422848  Clarkia lassenensis Franklin P. Nutting Modoc Forestdale Comment
  UC71665  Clarkia lassenensis Mrs. M. H. Manning June 1903 154 Modoc near Fort Bidwell Comment
  CAS-BOT-BC191057  Clarkia lassenensis Mrs. H. C. Cantelow 1940-6-1 4035 Modoc NW of Alturas, Hwy 395. Comment
  RSA134427  Clarkia lassenensis Peter H. Raven, Otto T. Solbrig 1958-6-18 13314 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  CAS-BOT-BC191043  Clarkia rhomboidea Barrett Anderson 1986-7-9 3175 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 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
  SEINET188374 Image available Claytonia lanceolata C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles northeast of Alturas 1980 Comment
  CAS-BOT-BC197439  Claytonia megarhiza Elmer Ivan Applegate 1932-8-3 8116 Modoc Rocky crest of Warner Mts. just N of Eagle Peak. Comment
  CAS-BOT-BC197432  Claytonia perfoliata subsp. intermontana Bruce Bartholomew; Mona Bourell 1990-4-27 5190 Modoc Top of mesa on W side of Goose Lake. 1470 Comment
  CAS-BOT-BC197433  Claytonia perfoliata subsp. intermontana Bruce Bartholomew 1990-6-17 5309 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC197427  Claytonia perfoliata subsp. intermontana E. H. Steffen 1917-5-26 13 Modoc West Valley Camp. 1554 Comment
  CAS-BOT-BC197472  Claytonia rubra subsp. rubra Bruce Bartholomew 1991-6-21 5824 Modoc Vicinity of Drift Fence Tank, 2 km S of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  CAS-BOT-BC197463  Claytonia rubra subsp. rubra John H. Hatton 1911-6-10 32 Modoc Modoc County. 1371 Comment
  UC35016  Cleome platycarpa Mrs. C. C. Bruce Jun 1898 2180 Modoc Likely Comment
  CDA25289  Cleome platycarpa T. C. Fuller 1970-7-22 19774 Modoc Canyon Creek Road, 12 miles southwest of Alturas. 0 Comment
  CAS-BOT-BC226085  Collinsia parviflora Elmer Ivan Applegate 1932-8-2 8085 Modoc Mill Creek Meadow, western slope of Warner Mts. Comment
  CAS-BOT-BC226086  Collinsia parviflora Roxana Stinchfield Ferris; R. Duthie 1919-6-13 28 Modoc Along Parker Creek at Modoc Nat Forest Boundary. Comment
  CAS-BOT-BC229855  Collinsia parviflora Betty J. Hammerly 1941-6-20 38 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC229862  Collinsia parviflora Fred D. Douthitt 1916-5-11 25 Modoc Near Flournoy Swale. 1524 Comment
  UCR87505  Collinsia parviflora George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  HSC20612  Collinsia parviflora M. T. Milligan 1964-6-20 56 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  UC26624  Collinsia parviflora M. S. Baker and Frank Nutting 1894-6-4 Modoc Hot Springs Valley Comment
  UCSB27160  Collinsia parviflora Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls, near Clear Lake, east of Likely; Warner Mtns 1767 Comment
  CAS-BOT-BC229869  Collinsia sparsiflora var. sparsiflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6516 Modoc Ca. 1 km W of Aden on road to Lookout. 1280 Comment
  CAS-BOT-BC229872  Collinsia torreyi Bruce Bartholomew 1993-6-12 6596 Modoc Above the road to Day Rock from Little Hot Spring Valley. 1260 Comment
  CAS-BOT-BC229873  Collinsia torreyi Leland S. Smith 1924-6-8 1369 Modoc Timber E of Egg Lake. 1310 Comment
  RSA293354  Collinsia torreyi var. wrightii Reino Alava 1957-7-6 1180 -B Modoc About 1 mile east of Benton Meadows., Davis Creek Pass Road, Modoc National Forest. Comment
  UC71714  Collomia grandiflora Mrs. M. H. Manning 1903-10-11 35 Modoc ne Modoc County Warner Range 1828 Comment
  CHSC85163  Collomia linearis John Dittes; Josephine Guardino 1991-7-21 397 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
  HSC65597  Collomia linearis Thomas Wood 1979-8-9 231 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of jct. with Co. Hwy. 2. N of Fort Bidwell 1555 Comment
  JEPS71051  Collomia linearis Leland S. Smith 1918-7-15 1000 Modoc Mill Creek Corral-Pasture Modoc <National> Forest, Warner Mts. (w slope to flats) Comment
  RSA101369  Collomia linearis R. Weatherby 1955-7-8 1613 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  CAS-BOT-BC190709  Collomia tinctoria Bruce Bartholomew 1992-5-17 6344 A Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  CAS-BOT-BC190710  Collomia tinctoria Annie Montague Alexander; L. Kellogg 1946-6-28 4864 Modoc Pine Creek Canyon, N end of Warner Mts. Comment
  CAS-BOT-BC190711  Collomia tinctoria Bruce Bartholomew 1991-7-6 5996 Modoc Webb Flat, 5.6 km S of turn off to Happy Camp Ranger Station. Area burned within the last year. 1400 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-BC190717  Collomia tinctoria Bruce Bartholomew; Barrett Anderson 1988-5-12 4133 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  RSA71945  Collomia tinctoria F. W. Peirson 1926-6-25 6892 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  HSC31084  Comarum palustre R. F. Thorne, C. W. Tilforth 1969-9-5 39162 Modoc Modoc National Forest: Warner Mtns.; Clear Lake 1768 Comment
  CAS-BOT-BC95590  Convolvulus arvensis Leland S. Smith 1924-6-6 1378 Modoc On big burn S of Egg Lake. 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
  HSC100159  Cornus sericea J. P. Smith, & J. O. Sawyer 2011-8-14 13374 Modoc Along Jesse Valley Road, just E of the bridge over the Pit River. 1372 Comment
  HSC65599  Cornus sericea subsp. sericea Thomas Wood 1979-8-9 233 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of Jct. with Hwy. 2, N of Fort Bidwell. 1509 Comment
  CAS-BOT-BC190768  Corydalis aurea R. M. Austin 1885-6-1 s.n. Modoc Hill slopes, Pitt River. Comment
  UCD168577  Cotula mexicana Thomas Getts 2017-7-27 s.n. Modoc Three miles east and south of the town of Likely, Likely Place Golf and RV Resort. 1388 Comment
  RSA603601  Crassula solieri L. C. Wheeler 1935-9-17 3989 Modoc Everly Reservoir, Devil's Garden 1524 Comment
  RSA0108923  Crataegus castlegarensis Lowell Ahart, John Dittes 2008-8-25 15330 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4500 feet south of County Road 87, 2.7 miles (air) northeast of Bieber. 1271 Comment
  CAS-BOT-BC197569  Crataegus douglasii C. C. (Mrs.) Bruce 1893-6-1 90 Modoc Davis Creek. Comment
  CAS-BOT-BC197573  Crataegus douglasii A. D. Borden 1911-8-9 s.n. Modoc Mall Place, on S side of Shields Creek. Comment
  JEPS123834  Crataegus douglasii Lowell Ahart, John Dittes 2015-7-17 20396 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  CAS-BOT-BC14903  Crepis acuminata Bruce Bartholomew 1992-5-17 6350 Modoc On abandoned dirt track, SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1300 Comment
  CAS-BOT-BC14907  Crepis acuminata Roxana Stinchfield Ferris; R. Duthie 1919-6-16 183 Modoc Rock hill slope above Parker Creek, Modoc National Forest Boundary. Comment
  CAS-BOT-BC14949  Crepis acuminata K. Paulson 1989-7-2 164 Modoc Happy Camp Lookout. 1850 Comment
  CAS-BOT-BC14911  Crepis acuminata Leland S. Smith 1924-6-29 1429 Modoc unspecified Comment
  CAS-BOT-BC290349  Crepis acuminata Elmer I. Applegate 1935-6-2 9289 Modoc Lava Beds National Monument. Canby Cross Comment
  RSA164315  Crepis acuminata Clare B. Hardham 1961-6-18 7562 Modoc Hills 3 miles south of Cedar Pass 1829 Comment
  UC895287  Crepis acuminata A. A. Heller 1938-6-24 15220 Modoc on US Hwy 299 between Alturas and Canby 1341 Comment
  UC581248  Crepis modocensis E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1804 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  CAS-BOT-BC14890  Crepis occidentalis subsp. pumila George Ledyard Stebbins; J. A. Jenkins 1937-7-15 2375 Modoc S side of Shaeffer Mountain. 1676 Comment
  UC23221  Cressa truxillensis Mrs. R. M. Austin Aug., 1894 Modoc Davis Creek Comment
  CAS-BOT-BC14875  Crocidium multicaule William Albert Weber; Lewis Samuel Rose 1953-5-22 8451 Modoc 7 mi. E of Alturas on road to Cedarville. 1371 Comment
  HSC4706  Crocidium multicaule M. G. Burgoyne 1962-4-12 1001 Modoc 15 mi. W of Cedarville on Cedar Pass Hwy. 1982 Comment
  UC1004195  Crocidium multicaule W. A. Weber and Lewis S. Rose 1953-5-22 8451 Modoc 7 mi e Alturas (on road to Cedarville) 1371 Comment
  RSA534605  Crocidium multicaule Bruce Bartholomew 1991-5-25 5749 Modoc ca. 1 km west of Tionesta. 1320 Comment
  UC336352  Crocidium multicaule J. G. Lemmon 1879-5-1 Modoc Surprise Valley Comment
  CAS-BOT-BC14838  Crupina vulgaris Bruce Bartholomew 1990-6-15 5212 Modoc Kelly Spring, 5.5 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  CDA36317  Crupina vulgaris CDFA Staff 1992-1 Modoc 0 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
  CHSC117145  Crypsis alopecuroides Lowell Ahart; John Dittes 2016-7-14 21207 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS123863  Crypsis alopecuroides Lowell Ahart, John Dittes 2015-7-16 20385 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  SEINET5512247  Cryptantha ambigua J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  UC1202932  Cryptantha celosioides L. S. Smith 1114 Modoc Deep Creek, above station Modoc Forest 1584 Comment
  UC24650  Cryptantha intermedia M. S. Baker and Frank Nutting 1894-6-29 Modoc near Lookout; Big Valley Comment
  RSA152700  Cryptantha intermedia I. L. Wiggins, Dorothy Wiggins 1961-6-12 16382 Modoc Rocky clay mesa 5 mi. east of California State Highway 299, along Cedar Pass Rd. Comment
  OBI48864  Cryptantha simulans Lewis S. Rose 1940-6-14 40578 Modoc 14 mi NW of Canby 1524 Comment
  HSC80867  Cryptantha subretusa G. M. Riegel 1980-8-9 Modoc S Warner Mtns. 2707 Comment
  UC705774  Cryptantha subretusa Marion Ownbey, Fred G. Meyer 1940-7-1 2134 Modoc Cedar Pass Warner Mts. Comment
  CAS-BOT-BC54123  Cryptantha torreyana John Thomas Howell 1934-6-11 11984 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC95628  Cuscuta approximata Goss 1932-10-3 Modoc Modoc County. Comment
  CDA5588  Cuscuta approximata Goss 1932-10-3 Modoc 0 Comment
  RSA603169  Cuscuta approximata var. urceolata L. C. Wheeler 1935-8-6 3796 Modoc Pine Creek (town). 1524 Comment
  SEINET195667  Cusickiella douglasii Annie M. Alexander, Louise Kellogg 1946-8-9 5142 Modoc Squaw Peak; Patterson Lake Trail, Warner Mountains. Comment
  CAS-BOT-BC30218  Cystopteris fragilis Elmer Ivan Applegate 1932-8-2 8096 Modoc Mill Creek Meadows, west slope Warner Mts. Comment
  HSC31349  Cystopteris fragilis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19456 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  SBBG253  Cystopteris fragilis H. and M. Dearing 1939-6-9 3616 Modoc near Cedarville 2133 Comment
  CAS-BOT-BC245215  Damasonium californicum Bruce Bartholomew 1994-5-29 6737 Modoc Curtis Water Hole, NW of Egg Lake. 1280 Comment
  POM133080  Damasonium californicum Milo S. Baker s.n. Modoc Egg Lake. Comment
  UC1100147  Damasonium californicum Malcolm A. Nobs and S. Galen Smith 1949-5-30 774 Modoc w. Alturas (1/2 mi. e. of junction of County Rds. 70 & 54) Comment
  UC1024677  Danthonia californica Leo Whitney 1934-5-27 2171 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  POM265519  Danthonia unispicata C. L. Hitchcock 1940-5-28 6720 Modoc near Surprise, ca. 15 miles north of Alturas 1402 Comment
  RSA359360  Danthonia unispicata L. M. Shultz, John Shultz 1985-6-23 8595 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near highway 139 1311 Comment
  CAS-BOT-BC214749  Dasiphora fruticosa Leland S. Smith 1917-8-6 131 Modoc Benton Meadows 2194 Comment
  CAS-BOT-BC214750  Dasiphora fruticosa Bruce Bartholomew 1990-8-4 5650 Modoc Slope NW of Linderman Lake along Owl Creek Trail, E side of Warner Mts. 2470 Comment
  CHSC117240  Deinandra lobbii Lowell Ahart; John Dittes 2016-7-16 21252 Modoc About 230 yards west of the Fishing Assess Sign, middle of a poor dirt road, low area east of the second gate, about 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area,1 mile (air) south of County Road 87, 1.7 miles (air) west of Adin, Big Valley. 1276 Comment
  RSA0118615  Deinandra lobbii Lowell Ahart, John Dittes 2013-7-25 18958 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CAS-BOT-BC217331  Delphinium andersonii M. M. Hanna 1956-6-5 974 Modoc E side, Cedar Pass Comment
  CAS-BOT-BC217337  Delphinium andersonii M. M. Hanna 1956-6-5 Modoc Cedar Pass Camp ground. Comment
  UC585065  Delphinium andersonii E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1831 Modoc steep n-facing talus slope about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  CAS-BOT-BC217345  Delphinium depauperatum Mrs. H. C. Cantelow 1940-6-1 4262 Modoc Cedar Pass, Warner Mountains 1935 Comment
  HSC27051  Delphinium depauperatum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19479 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  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-BC217322  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1988-5-12 4103 Modoc White Horse. 1340 Comment
  CAS-BOT-BC217323  Delphinium nuttallianum Clare Butterworth Hardham 1961-6-18 7569 Modoc Mountains S of Cedar Pass. North slopes. Comment
  CAS-BOT-BC217334  Delphinium nuttallianum Elmer Ivan Applegate 1932-7-31 7969 Modoc Mill Creek Meadows, Warner Mts. Comment
  NY487921  Delphinium nuttallianum B. M. Bartholomew 1989-6-2 4841 Modoc Vicinity of Stough Reservoir, Warner Mountains 1950 Comment
  RSA149077  Delphinium nuttallianum I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16491 Modoc Under lodge pole pines t margin of meadow 2.5 miles from Hwy 395, 2miles NW of Fenner Flat, Warner Mtns Comment
  JEPS118339  Deschampsia danthonioides Lowell Ahart, John Dittes 2011-6-22 17550 Modoc On the west side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  UC1024905  Deschampsia danthonioides Leo Whitney 1935-6-1 3108 Modoc 1 mi. s.w. White Horse 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-BC247769  Deschampsia elongata Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10526 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC247772  Deschampsia elongata Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10549 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC247773  Deschampsia elongata Gary Schoolcraft; et al 1988-7-16 1828 Modoc Ca. 1 mi. SE of Pepperdine Camp. 2316 Comment
  UC188866  Deschampsia elongata Milo S. Baker 1900-8-25 Modoc Forestdale 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
  NY125849  Descurainia incisa subsp. filipes B. M. Bartholomew 1988-5-13 4182 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mtns. 1450 Comment
  JEPS53442  Descurainia incisa subsp. incisa Frances D. Payne 1931-6-22 238 Modoc s and e Alturas (Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Dry Creek 1828 Comment
  CAS-BOT-BC58443  Descurainia sophia E. S. Willits 1940-4-21 186 Modoc Near Stronghold, western Modoc Co. Comment
  CHSC85190  Descurainia sophia John Dittes; Josephine Guardino 1991-6-1 344 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CHSC31503  Dicentra uniflora NEH Prouty 1980-6-9 185 Modoc SW of Payne Peak in a sagebrush opening about North Creek Rd. Plants of Modoc Nat. Forest, Warner Mt. District. Comment
  SEINET7839014 Image available Dieteria canescens Mrs. M. H. Maning 1904-1 s.n. Modoc Alturas, North-eastern Modoc County Comment
  UC29895  Dieteria canescens var. shastensis Milo S. Baker 1893-6 Modoc Comment
  CHSC75454  Dimeresia howellii V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9763 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  RSA155895  Dimeresia howellii Peter H. Raven 1962-5-29 17879 Modoc Canyon south of Hwy 3.4 miles east of Cedar Pass. Warner Mountains Comment
  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-BC234521  Diplacus layneae Bruce Bartholomew 1991-7-6 5995 Modoc Webb Flat, 5.6 km S of turn off to Happy Camp Ranger Station. Area burned within the last year. 1400 Comment
  CAS-BOT-BC234456  Diplacus nanus Bruce Bartholomew 1991-5-25 5767 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  CAS-BOT-BC234439  Diplacus tricolor Leland S. Smith 1924-6-3 1363 Modoc Kramer Reservoir. 1310 Comment
  CAS-BOT-BC95631  Dipsacus fullonum Bruce Bartholomew 1989-8-12 5137 Modoc 2 km W of Likely on County Road 60. 1370 Comment
  CAS-BOT-BC218287  Dodecatheon alpinum Bruce Bartholomew 1994-7-2 6818 Modoc Mill Creek NE of Bald Mtn., E side of Warner Mountains. 2040 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
  CAS-BOT-BC218281  Dodecatheon conjugens Annie Montague Alexander; L. Kellogg 1946-6-8 4695 Modoc Road from Eagleville to Patterson Mill. 2286 Comment
  POM76690  Dodecatheon conjugens R. M. Austin 1895-04 560 Modoc Goose Lake Valley. Comment
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Sep 5 2010
  CAS-BOT-BC218276  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Barrett Anderson 1988-5-12 4119 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC218284  Dodecatheon conjugens var. conjugens R. M. Austin 1898-4-1 2308 Modoc Plains, Goose Lake. Comment
  CAS-BOT-BC95112  Downingia bacigalupii Leland S. Smith 1924-6-4 1368 Modoc S side of Egg Lake. Comment
  CAS-BOT-BC95127  Downingia bacigalupii E. S. Willits 1940-6-10 343 Modoc Adin. Comment
  CHSC109675  Downingia bacigalupii Lowell Ahart; John Dittes 2012-7-10 18322 Modoc Along the sides and bottom of a small deep drainage, northeast of the old homestead, Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC95123  Downingia bacigalupii C. C. (Mrs.) Bruce 1899-7-1 Modoc Goose Lake. Comment
  POM253177  Downingia bacigalupii A. A. Heller 1938-6-24 15229 Modoc Near Adin, along U.S. Hwy 299. 1280 Comment
  RSA149135  Downingia bacigalupii I. L. Wiggins, Dorothy Wiggins 1961-6-15 16515 Modoc 13 miles W of Canby, along Hwy 139. Comment
  JEPS14474  Downingia cuspidata Milo S. Baker 1893-6-18 Modoc Egg Lake Comment
  JEPS79128  Downingia cuspidata L. R. Heckard with R. Bacigalupi 1980-6-10 5231 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  CAS-BOT-BC95139  Downingia insignis Mrs. H. C. Cantelow 1940-5-31 4000 Modoc E of Canby. Comment
  CHSC99271  Downingia laeta Lowell Ahart; John Dittes 2008-6-21 14984 Modoc In the drying pond, north of the large culvert, east of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. Comment
  JEPS114687  Downingia laeta Lowell Ahart, John Dittes 2008-6-21 14984 Modoc In the drying pond, north of the large culvert, east of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  CAS-BOT-BC58296  Draba albertina Annie Montague Alexander; L. Kellogg 1946-8-3 5112 Modoc Head of Eagle Creek, Warner Mts. Comment
  CAS-BOT-BC58297  Draba albertina Annie Montague Alexander; L. Kellogg 1946-6-25 4823 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  HSC80852  Draba albertina G. M. Riegel 1980-8-26 1109 Modoc S Warner Mtns. 2329 Comment
  HSC80856  Draba albertina G. M. Riegel 1980-8-7 1013 Modoc S Warner Mtns. 2341 Comment
  UC1553370  Draba densifolia Sch/Yor/Hor/Ach 1988-7-16 1829 Modoc ca 1.5 mi n Squaw Peak; Warner Mtns., n of Squaw Peak 2316 Comment
  CAS-BOT-BC58554  Draba densifolia Annie Montague Alexander; L. Kellogg 1946-8-9 5126 Modoc Patterson Lake Trail, Warner Mts. Comment
  UC190593  Draba densifolia M. F. Gilman 505 Modoc Mts. 1981 Comment
  CAS-BOT-BC58596  Draba novolympica Bruce Bartholomew 1991-8-5 6053 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2530 Comment
  CAS-BOT-BC58597  Draba novolympica Annie Montague Alexander; L. Kellogg 1946-8-9 5134 Modoc Between Squaw Peak and Warren Peak, Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC58589  Draba verna K. Paulson; Robert Paulson 1991-5-25 221 Modoc W side of Goose Lake, ca. 1 mi. S of Log Landing. 1478 Comment
  CAS-BOT-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
  CHSC114013  Dracocephalum parviflorum B. Castro; L. P. Janeway 2014-6-7 2028 Modoc Warner Mtns. East side of crest of Warner Mountains 1.1 mi E of Cedar Pass, 1.1 mi N of Hwy 299 along Stough Reservoir Rd (USFS Rd 43N07) ca 0.4 mi E of Stough Reservoir. 1959 Comment
  JEPS122445  Dracocephalum parviflorum B. Castro, L. P. Janeway 2014-6-7 2028 Modoc Warner Mtns. East side of crest of Warner Mountains 1.1 mi E of Cedar Pass, 1.1 mi N of Highway 299 along Stough Reservoir Rd (USFS Rd 43N07) ca 0.4 mi E of Stough Reservoir. Quad: Cedarville 7.5'. Comment
  JEPS87086  Drymocallis glandulosa var. glandulosa Teresa Sholars 1987-6-9 729 Modoc just above Stowe Campground; Warner Mountains, just above Stowe Campground Comment
  CAS-BOT-BC214757  Drymocallis lactea var. austiniae Annie Montague Alexander; L. Kellogg 1946-6-30 4876 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  UC545676  Drymocallis lactea var. austiniae L. D. Whitney 1935-7-11 3479 Modoc Glass Mountain Glass Mountain (U.S.B.E. - Plot RS-4) Comment
  CHSC61238  Drymocallis pseudorupestris var. saxicola P. V. Caldwell 1972-7-3 302 Modoc Bank around Patterson Lake in Warner Mts. 2743 Comment
  RSA608436  Dugaldia hoopesii L. C. Wheeler 1935-8-16 3886 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC14802  Dugaldia hoopesii Francis Dorris Payne 1931-1-1 s.n. Modoc Warner Mts. Comment
  UCR67444  Echinochloa crus-galli George K. Helmkamp 1990-9-23 I- 25 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CDA5095  Elaeagnus angustifolia T. C. Fuller 1962-8-3 9490 Modoc Tulelake Basin; 1.6 miles north of Stronghold. 0 Comment
  JEPS117937  Elaeagnus angustifolia L. P. Janeway, B. Castro 2008-8-16 9539 Modoc Surprise Valley Modoc Plateau (east side of Middle Alkali Lake, north side of Hwy 299 8.2 km east of Cedarville.) 1370 Comment
  RSA604673  Elatine brachysperma L. C. Wheeler 1935-8-23 3912 Modoc South Mt. Reservoir, Devil's Garden. 1677 Comment
  CHSC117369  Elatine californica Lowell Ahart; John Dittes 2016-7-14 21211 A Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC117370  Elatine rubella Lowell Ahart; John Dittes 2016-7-14 21169 Modoc New sides of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS114834  Elatine rubella Lowell Ahart, John Dittes 2008-6-21 14980 Modoc 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
  UC1101549  Elatine triandra Herbert L. Mason 1947-8-13 13527 Modoc n Canby (ne side of F reservoir) Comment
  RSA210800  Eleocharis bella Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 38112 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC184098  Eleocharis coloradoensis Herbert L. Mason 1947-8-12 13512 Modoc Junction of North and South forks of Pit River, Alturas Comment
  UC1100602  Eleocharis engelmannii var. detonsa Herbert L. Mason 1947-8-13 13525 Modoc N of Canby, NE side of F reservoir Comment
  CAS-BOT-BC242385  Eleocharis macrostachya Roxana Stinchfield Ferris; R. Duthie 1919-6-14 166 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  HSC7336  Eleocharis rostellata M. T. Milligan 1966-6-30 509 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  RSA210802  Eleocharis rostellata Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39105 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC245106  Elodea nuttallii Robert Folger Thorne; et al 1969-9-4 39118 Modoc N Fork of Pit River, 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC247762  Elymus Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake near south end - Modoc National Forest Comment
  CAS-BOT-BC247720  Elymus X hansenii Clare Butterworth Hardham 1961-6-20 7869 Modoc Pine Creek Canyon. Comment
  UC1037179  Elymus X macounii Leo Whitney 1935-8-13 3618 Modoc U.S.B.E.--MC-2 Comment
  UC1031350  Elymus X saundersii Leo Whitney 1935-7-17 3517 Modoc ca 15 mi nw Canby (bed of river); Modoc National Forest, Hackamore River 1463 Comment
  UCD62820  Elymus X saundersii L. Whitney 1935-7-19 3537 Modoc Hackamore River, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. Comment
  CHSC110905  Elymus caput-medusae Lowell Ahart; John Dittes 2012-7-10 18312 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Northeast of the old homestead. 1267 Comment
  CAS-BOT-BC247755  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-8-4 5640 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  CAS-BOT-BC247756  Elymus elymoides subsp. elymoides Clare Butterworth Hardham 1961-6-19 7855 Modoc Willow Creek. Comment
  SEINET201662  Elymus elymoides subsp. elymoides A. Cronquist, AH Holmgren 1959-6-18 Modoc Along South Fork of Pitt River 4 mi E of Likley Township 1373 Comment
  HSC10178  Elymus elymoides var. elymoides M. T. Milligan 1966-6-28 479 Modoc Volcanic plateau W of Jess Valley. 1829 Comment
  HSC80813  Elymus glaucus G. M. Riegel 1979-7-16 560 Modoc South Warner Mountains 530 Comment
  UCD62309  Elymus glaucus August L. Hormay 1932-7-17 Modoc Lily Lake. Comment
  CAS-BOT-BC247733  Elymus lanceolatus subsp. lanceolatus Bruce Bartholomew; Barrett Anderson 1990-7-19 5400 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CHSC115507  Elymus multisetus L. P. Janeway 2014-7-8 11456 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  HSC80812  Elymus trachycaulus G. M. Riegel 1979-9-8 759 Modoc South Warner Mtns. 640 Comment
  UC1024984  Elymus trachycaulus Leo Whitney 1935-7-1 3375 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore River, Hackamore 1463 Comment
  UCD62717  Elymus trachycaulus Beecher Crampton; Carl Rimbey 1954-7-7 2129 Modoc West side of Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC247724  Elymus trachycaulus subsp. trachycaulus Ernest Christian Twisselmann 1966-9-22 6576 Modoc Ridge at the SE end of Long Valley. 2042 Comment
  CAS-BOT-BC247727  Elymus trachycaulus subsp. trachycaulus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10588 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  HSC9740  Elymus triticoides M. T. Milligan 1965-6-26 347 Modoc N end Jess Valley. 1616 Comment
  CAS-BOT-BC217290  Enemion stipitatum Bruce Bartholomew 1993-4-6 6417 Modoc Little Hot Spring Valley ca. 3 km NW of Day. 1060 Comment
  CAS-BOT-BC217291  Enemion stipitatum Bruce Bartholomew; Barrett Anderson 1989-4-27 4629 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  SEINET195713  Epilobium alpinum Louise Kellogg, Annie M Alexander 1946-7-11 4964 Modoc Slope west Eight Mile Creek NE corner Comment
  CAS-BOT-BC191026  Epilobium brachycarpum Bruce Bartholomew 1991-7-4 5922 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 Comment
  RSA101357  Epilobium brachycarpum R. Weatherby 1955-7-8 1626 Modoc 6 miles north of Fort Bidwell, northern Warner Mountains 1784 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
  CAS-BOT-BC497199  Epilobium brachycarpum John H. Hatton 1911-6-24 162 Modoc Modoc Forest 1493 Comment
  RSA157711  Epilobium brachycarpum I. L. Wiggins, Dorothy Wiggins 1961-6-12 16368 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  UC20098  Epilobium brachycarpum Milo S. Baker 1893-6-20 Modoc Comment
  CHSC106344  Epilobium campestre Lowell Ahart; John Dittes 2010-8-30 17058 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  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
  HSC65380  Epilobium ciliatum subsp. ciliatum Thomas Wood 1979-8-8 211 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  SJSU9614  Epilobium ciliatum subsp. ciliatum W. Savage 1979-7-6 1411 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest Comment
  UC1191735  Epilobium ciliatum subsp. ciliatum Herbert L. Mason and Verne Grant 1947-7-12 13390 Modoc irrigation ditch by Jones' Lane (off Hwy 395, several mi s of Alturas) Comment
  CDA38072  Epilobium ciliatum subsp. ciliatum T. C. Fuller 1958-7-8 s.n. Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC190980  Epilobium ciliatum subsp. glandulosum K. Paulson; Robert Paulson 1989-7-14 186 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  CAS-BOT-BC190987  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew 1989-8-11 5103 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  RSA8243  Epilobium ciliatum subsp. glandulosum Elmer I. Applegate 1932-8-7 8243 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  JEPS43817  Epilobium ciliatum subsp. glandulosum L. S. Smith 1917-8-3 897 Modoc South Fork Davis Creek Warner Mts. 2133 Comment
  JEPS39326  Epilobium clavatum W. L. Jepson 1918-8-13 7979 Modoc Eagle Peak Warner Mts. 3017 Comment
  CAS-BOT-BC190975  Epilobium densiflorum Bruce Bartholomew 1992-8-10 6400 Modoc Rush Creek just N of Round Valley on Highway 299. 1350 Comment
  CAS-BOT-BC190976  Epilobium densiflorum Bruce Bartholomew 1989-7-14 4971 Modoc ca. 1 km E of Happy Camp Ranger Station. Comment
  SEINET188698  Epilobium glaberrimum subsp. fastigiatum Bud Fuller 1936-7-10 57 Modoc 15 miles NE Alturas 1524 Comment
  CAS-BOT-BC190966  Epilobium hallianum Elmer Ivan Applegate 1932-8-2 8076 Modoc Mill Creek Meadows, western slope of Warner Mts. Comment
  HSC16325  Epilobium hallianum M. T. Milligan 1964-6-25 79 Modoc Upper Lassen Creek 1829 Comment
  NY1000404  Epilobium hornemannii var. hornemannii B. M. Bartholomew 1994-7-2 6820 Modoc Mill Creek northeast of Bald Mountain, east side of Warner Mountains 2040 Comment
  CAS-BOT-BC190953  Epilobium minutum Milo Samuel Baker; Franklin P. Nutting 1894-6-16 s.n. Modoc Near Forestdale. Comment
  CAS-BOT-BC190947  Epilobium obcordatum Bruce Bartholomew 1990-8-4 5630 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  UC524168  Epilobium obcordatum Elmer I. Applegate 1932-8-5 8170 Modoc cleft in rocks among summit crags; Warner Mts, Cedar Mt., Cedar Pass Comment
  CAS-BOT-BC190952  Epilobium obcordatum Elmer Ivan Applegate 1932-8-1 8011 Modoc Northerly slope of Warren Peak, Warner Mts. Comment
  CAS-BOT-BC190941  Epilobium oregonense Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10519 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC190944  Epilobium oregonense Bruce Bartholomew 1994-7-2 6800 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  CAS-BOT-BC190935  Epilobium pallidum Bruce Bartholomew 1991-7-5 5939 Modoc Dry wash draining into North Willow Creek, between Crowder Flat and the Oregon border. 1620 Comment
  POM319045  Epilobium pallidum Patricia Wilder 1971-6-20 5084 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
  UC1191613  Epilobium pallidum Herbert L. Mason and Verne Grant 1947-7-13 13441 Modoc on Hwy 395 n Davis Creek (e side of lake, near roadside); Goose Lake, Joseph Creek Comment
  HSC16224  Epilobium pygmaeum M. T. Milligan 1964-8-21 234 Modoc S end of Dorris Reservoir Dam 1372 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-BC30183  Equisetum laevigatum Bruce Bartholomew; Barrett Anderson 1988-7-21 4435 Modoc Vicinity of Lower Rush Creek Campground ca. 1 km E of State Highway 299 between Adin and Canby. 1430 Comment
  HSC861  Equisetum laevigatum M. T. Milligan 1964-7-1 104 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  RSA424441  Eremocarpus setiger Margaret J. Williams 1985-8-13 85- 67 -1 Modoc Road into S end of Big Sage Reservoir, NW of Alturas. Comment
  CAS-BOT-BC95482  Eremogone aculeata Clare Butterworth Hardham 1961-6-18 7581 Modoc Cedar Pass. 1828 Comment
  JEPS120493  Eremogone aculeata L. P. Janeway, B. Castro 2012-7-26 11014 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). Comment
  CAS-BOT-BC95465  Eremogone congesta Alice Eastwood; John Thomas Howell 1940-6-11 8005 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CAS-BOT-BC291261  Ericameria bloomeri Mrs. C. C. Bruce 1899-8-1 s.n. Modoc Goose Lake Comment
  SEINET5507548  Ericameria bloomeri R. Spellenberg, M. Spellenberg 2013-7-24 14581 Modoc 60 air km ENE of Weed at Medicine Lake, adjacent to A.H. Hogue Campground 2045 Comment
  CAS-BOT-BC14810  Ericameria bloomeri Harvey Monroe Hall 1921-9-9 11667 Modoc Northern Modoc County. Comment
  CAS-BOT-BC14821  Ericameria greenei Louis Cutter Wheeler 1935-8-14 3854 Modoc Lily Lake, Warner Mountains 2133 Comment
  CAS-BOT-BC287485  Ericameria greenei Elmer I. Applegate 1932-8-5 8184 Modoc S slope of Cedar Mt, Warner Mts Comment
  HSC5202  Ericameria nauseosa var. graveolens Mrs. M. H. Manning 1902-10-4 14 Modoc Comment
  HSC12538  Ericameria nauseosa var. hololeuca Mrs. R. M. Austin Aug 1894 Modoc N of Alturas 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
  UCD131476  Ericameria nauseosa var. oreophila Herbert L. Mason; Verne Grant 1947-7-12 13409 Modoc west side of the South Fork of Pit River Valley, southwest of Alturas. Comment
  CHSC70464  Ericameria nauseosa var. speciosa A. Sanger 1997-8-21 2606 Modoc Along road south of large burn plantation, approx. 1.5 miles south of Forest Rd. 44N77. 1389 Comment
  CHSC99951  Ericameria parryi var. nevadensis Lowell Ahart; John Dittes 2008-8-25 15298 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-BC42835  Erigeron austiniae Bruce Bartholomew; Barrett Anderson 1988-5-13 4180 a Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mts.. 1450 Comment
  CAS-BOT-BC42807  Erigeron bloomeri var. bloomeri M. M. Hanna 1956-6-3 s.n. Modoc Hiway between Alturas & Cedarville, Calif. Comment
  CAS-BOT-BC42811  Erigeron bloomeri var. bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC42849  Erigeron bloomeri var. bloomeri Bruce Bartholomew; Barrett Anderson 1988-6-25 4393 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  UC31425  Erigeron bloomeri var. bloomeri M. S. Baker and Frank Nutting 1894-6-25 Modoc near Egg Lake Comment
  UC727058  Erigeron bloomeri var. bloomeri A. A. Heller 1941-6-24 16194 Modoc along US Hwy 299 just s Indian Springs Comment
  CHSC100360  Erigeron canadensis Lowell Ahart; John Dittes 2008-8-25 15318 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  CAS-BOT-BC294906  Erigeron chrysopsidis var. austiniae Elmer I. Applegate 1936-5-17 10312 Modoc Lava Beds National Monument. Top of Gillams bluff Comment
  UC31421  Erigeron chrysopsidis var. austiniae Mrs. R. M. Austin 1894-5-1 Modoc Comment
  HSC67926  Erigeron compositus J. P. Smith, J. O. Sawyer 1973-8-8 7225 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC42820  Erigeron coulteri P. Monnet 1913-7-7 874 Modoc Warner's Range. 2286 Comment
  CAS-BOT-BC42779  Erigeron divergens Franklin P. Nutting s.n. Modoc Little Hot Spring Valley. Comment
  SBBG8089  Erigeron divergens H. and M. Dearing 1939-6-7 3572 Modoc near Adin Comment
  JEPS5928  Erigeron divergens Frances D. Payne 1931-6-11 144 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC42754  Erigeron eatonii var. plantagineus Annie Montague Alexander; L. Kellogg 1946-7-18 5013 Modoc Benton Meadow, Warner Mountains 2072 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-BC42793  Erigeron eatonii var. plantagineus Bruce Bartholomew 1989-7-15 4991 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC42796  Erigeron eatonii var. plantagineus Bruce Bartholomew; Barrett Anderson 1989-6-3 4904 Modoc ca. 5 km NW of Egg Lake and ca. 0.8 km W of Service Flat Gulch. 1370 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
  SEINET228395  Erigeron eatonii var. plantagineus Margaret J. Williams 1983-7-29 83- 116 -1 Modoc 1.1 miles North of Stowe Reservoir Campground North of Cedar Pass Warner Mountains. 2088 Comment
  HSC81104  Erigeron eatonii var. plantagineus G. M. Riegel 1980-8-13 1063 Modoc S Warner Mts. 2100 Comment
  JEPS15467  Erigeron eatonii var. plantagineus Joseph and Hilda W. Grinnell 1938-6-16 1113 a Modoc Cedar Pass summit Warner Mountains 1920 Comment
  CAS-BOT-BC49626  Erigeron filifolius Alice Eastwood; John Thomas Howell 1940-6-13 8158 Modoc E side of Fandango Pass. Comment
  UC71825  Erigeron filifolius Mrs. M. H. Manning 559 Modoc Mt. Bidwell 2438 Comment
  CAS-BOT-BC376189  Erigeron filifolius var. filifolius Andrew Townesmith; Karen M. Meyer 2007-9-15 933 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195 1948 Comment
  UC468830  Erigeron glacialis var. glacialis M. F. Gilman 522 Modoc Comment
  SEINET8667553 Image available Erigeron inornatus M. J. Williams 1983-9-13 83- 151 -3 Modoc along side of road from Alturas to Cedarville, 3.8 mi W of Cedar Pass, 6.7 mi from junction of Hwy 299 and Cedarville road 1554 Comment
  CAS-BOT-BC49645  Erigeron linearis Fred D. Douthitt 1916-5-11 13 Modoc Juniper Flats, Modoc N.F. 1524 Comment
  CHSC118316  Erigeron linearis L. P. Janeway 2016-5-17 12032 Modoc Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  JEPS41569  Erigeron linearis L. S. Smith 1166 Modoc Timber Mt. Comment
  UC1540225  Erigeron linearis Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9100 Modoc about 3.5 mi n of n junction with Highway 299 (along Highway 395) 1371 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
  UC647930  Erigeron philadelphicus var. philadelphicus Bud Fuller 1936-7-10 37 Modoc 15 mi ne Alturas Comment
  JEPS89672  Erigeron tener Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10444 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains 2560 Comment
  UC1561068  Erigeron tener Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10444 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains, Emerson Creek drainage 2560 Comment
  HSC80736  Eriogonum douglasii G. M. Riegel 1980-8-13 1064 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC197828  Eriogonum elatum Leland S. Smith 1917-7-18 75 Modoc Soldier Creek. 1828 Comment
  JEPS57005  Eriogonum elatum var. elatum W. L. Jepson 1918-8-9 7919 Modoc 3 mi s Ft. Bidwell 1432 Comment
  JEPS57006  Eriogonum elatum var. elatum W. L. Jepson 1918-8-7 7895 Modoc Mt. Bidwell 2286 Comment
  POM105620  Eriogonum elatum var. elatum R. M. Austin 1895-08 435 Modoc Goose Lake Valley. Comment
  RSA531327  Eriogonum elatum var. elatum Bruce Bartholomew, B. Anderson 1990-7-20 5472 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  CAS-BOT-BC197807  Eriogonum heracleoides var. heracleoides Robert Patterson; Mona Bourell 1993-8-14 5228 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC197812  Eriogonum heracleoides var. heracleoides Annie Montague Alexander; L. Kellogg 1946-7-14 5070 Modoc Emerson Peak, Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC197813  Eriogonum heracleoides var. heracleoides Elmer Ivan Applegate 1932-8-5 8177 Modoc Arid summit of Cedar Mountain, Warner Mts. Comment
  JEPS56886  Eriogonum heracleoides var. heracleoides Frank W. Peirson 1926-6-25 6863 Modoc Cedarville Road near summit of grade Warner Mts. Comment
  JEPS80925  Eriogonum heracleoides var. heracleoides J. P. Smith and J. O. Sawyer 1973-8-8 7243 Modoc s slopes of Eagle Peak Eagle Peak 2560 Comment
  POM229188  Eriogonum heracleoides var. heracleoides Louis C. Wheeler 1935-8-2 3750 Modoc Warner Mountains: Twenty Mile Creek. 2195 Comment
  CAS-BOT-BC197804  Eriogonum microthecum var. laxiflorum Elmer Ivan Applegate 1921-9-2 3342 Modoc Dry Lake. Comment
  HSC80881  Eriogonum microthecum var. laxiflorum G. M. Riegel 1980-8-22 1098 Modoc S Warner Mtns. 1829 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-BC211408  Eriogonum nudum var. pubiflorum Bruce Bartholomew; Barrett Anderson 1988-7-23 4556 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CAS-BOT-BC211439  Eriogonum nudum var. pubiflorum Elmer Ivan Applegate 1932-8-1 7995 Modoc N of Mill Creek Meadow, Warner Mts. Comment
  HSC81009  Eriogonum nudum var. pubiflorum G. M. Riegel 1980-7-14 869 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC211432  Eriogonum nudum var. pubiflorum Leland S. Smith 1924-6-22 1431 Modoc Along Lava Trail west of Lava R.S. 1325 Comment
  CAS-BOT-BC211433  Eriogonum nudum var. pubiflorum Leland S. Smith 1922-7-15 1270 Modoc Dry lake country T43-8 1432 Comment
  NY762336  Eriogonum nudum var. pubiflorum A. A. Heller 1941-6-26 16222 Modoc 4 miles west of Canby on a steep clay bank along U.S. Highway #299 Comment
  RSA273322  Eriogonum nudum var. pubiflorum Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3257 Modoc Modoc National Forest, Growing beside highway 299 just northwest of Adin Pass. 1524 Comment
  SEINET5330949  Eriogonum nudum var. pubiflorum M. S. Baker Unknown s.n. Modoc No data. Comment
  CAS-BOT-BC211396  Eriogonum ovalifolium var. nivale Bruce Bartholomew 1992-8-8 6367 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  JEPS109844  Eriogonum prociduum Dean W. Taylor 2004-5-13 19067 Modoc 11 air miles SSW of Alturas; jeep road ascending to plateau from County Road 62, ca. 1.5 mi S73degE of mapped location of Wade Williams Spring on quadrangle 1524 Comment
  NY283098  Eriogonum sphaerocephalum M. J. Williams 1983-9-13 83153- 2 Modoc 1.6 miles beyond campground on Stowe Reservoir road, north of Cedar Pass road, Warner Mountains. 2011.7 Comment
  RSA26444  Eriogonum sphaerocephalum J. T. Howell 1940-6-11 8014 Modoc 6 mi. N.E. of Adin on road to Candy, Modoc Co. Comment
  CAS-BOT-BC211421  Eriogonum sphaerocephalum var. halimioides Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10594 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mts., Modoc National Forest Comment
  CAS-BOT-BC211424  Eriogonum sphaerocephalum var. halimioides F. Angwin 1946-6-1 Modoc Adin. 1371 Comment
  CAS-BOT-BC262721  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1938-6-24 15224 Modoc On slopes between Alturas and Canby 1341 Comment
  CHSC59787  Eriogonum sphaerocephalum var. halimioides Mary Meyer 1980-6-19 Modoc Larkspur seeding, far end, south 1/4 mi off road. 1524 Comment
  POM319185  Eriogonum sphaerocephalum var. halimioides Patricia Wilder 1971-6-20 5096 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
  SEINET530722  Eriogonum sphaerocephalum var. halimioides Paul Opler 2008-7-12 Modoc Warner Mts., Cedar Pass, Hwy 299. N Slough Resvr. Campground. 1997 Comment
  UC1168690  Eriogonum sphaerocephalum var. halimioides Peter H. Raven with Otto T. Solbrig 1958-6-18 13329 Modoc hill at eastern outskirts of Lookout Lookout Comment
  RSA97511  Eriogonum sphaerocephalum var. halimioides Beecher Crampton 1954-7-7 2122 Modoc Low clumps among boulders; volcanic plateau, Juniper-Sagebrush assoc Collis Ranch, County rd. 56, 6 mi. east of Alturas. Comment
  NY283219  Eriogonum strictum var. anserinum M. J. Williams 1988-5-30 8826- 9 Modoc Jess Valley, east of Likely, south of roadside rest. 1524.0 Comment
  CAS-BOT-BC211368  Eriogonum umbellatum Bruce Bartholomew 1991-8-5 6050 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2470 Comment
  CHSC109488  Eriogonum umbellatum var. modocense L. P. Janeway; B. Castro 2012-7-24 10976 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  CHSC67125  Eriogonum umbellatum var. modocense James D. Jokerst 1987-5-11 2829 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear lake Reservoir. 1363 Comment
  NY399210  Eriogonum umbellatum var. modocense J. L. Reveal 1971-6-22 2461 Modoc Along U.S. highway 395 at Davis Creek 1453.9 Comment
  RSA0118775  Eriogonum umbellatum var. modocense Lawrence P. Janeway, B. Castro 2012-7-24 10962 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  RSA759523  Eriogonum umbellatum var. modocense James L. Reveal 2007-6-3 8827 Modoc Along California Highway 299, 0.6 miles east of County Road 58 and 6.2 miles east of the U. S. Highway 295, rocky slopes above Thoms Creek. 1585 Comment
  UC190600  Eriogonum umbellatum var. modocense M. F. Gilman 573 Modoc 1676 Comment
  CHSC114009  Eriogonum umbellatum var. nevadense L. P. Janeway 2014-7-8 11482 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
  HSC81007  Eriogonum umbellatum var. polyanthum G. M. Riegel 1979-7-1 451 Modoc S Warner Mtns. 1739 Comment
  POM229193  Eriogonum umbellatum var. polyanthum Louis C. Wheeler 1935-8-14 3843 Modoc Pine Creek. Warner Mtns. 2012 Comment
  RSA78910  Eriogonum umbellatum var. polyanthum E. K. Balls, Percy C. Everett 1952-10-10 18151 Modoc Above S. Fk. Public Camp, 8 mi. E. of Likely on road to Jess Valley. 1555 Comment
  SEINET5331991  Eriogonum umbellatum var. polyanthum M. J. Williams 1984-7-1 84- 87 -6 Modoc NW of Alturas, Crowder Flat Road, near Big Sage Reservoir. 1372 Comment
  CAS-BOT-BC197606  Eriogonum vimineum J. L. Gentry; E. Jensen 1968-7-4 2112 Modoc 15.2 mi. NW of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 139. 1447 Comment
  JEPS3934  Eriogonum vimineum N. T. Mirov 1929-7-6 Modoc near Buck Creek Ranger Station (Fandango Valley); Warner Mountains, Fandango Valley 1584 Comment
  UC6526  Eriogonum vimineum Mrs. R. M. Austin and Bruce Aug 1898 2317 Modoc Goose Lake valley Comment
  POM145868  Eriogonum vimineum Francis Drouet, Donald Richards 1941-9-10 4142 Modoc in open woods on the hills 2 mi. northwest of Alturas, 1341 Comment
  RSA534708  Eriogonum vimineum Bruce Bartholomew 1991-6-22 5856 Modoc NE side of Surprise Valley on roas to Fee Reservoir, 6.4 km. E of Fort Bidwell. Rocky sry slopes 1490 Comment
  SEINET5512262  Eriogonum vimineum J. C. Beatley 1964-1 Modoc Common in Tule Lake Area. Drainage area: Tule Lake 1829 Comment
  HSC45971  Eriophorum gracile J. P. Smith, J. O. Sawyer 1973-8-9 7279 Modoc Blue Lake, Modoc Natl. Forest 1829 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-BC49600  Eriophyllum lanatum Elmer Ivan Applegate 1971-8-7 8071 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  POM66628  Eriophyllum lanatum var. achilleoides Mrs. R. M. Austin 1896-07 567 Modoc Goose Lake Valley Comment
  RSA289483  Eriophyllum lanatum var. achilleoides Dale E. Johnson, J. E. Eckenwalder 1974-6-15 130 Modoc SW of Canby; 2.6 km (1.6 miles) west of crossing of Pit River on Hwy. 299 (Adin-Canby Road). Comment
  UC190611  Eriophyllum lanatum var. achilleoides M. F. Gilman 626 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
  UCD132206  Eriophyllum lanatum var. achilleoides Jack Major 1966-6-24 s.n. Modoc above Goose Lake, west side of Fandango Pass. 1645 Comment
  JEPS127182  Erodium cicutarium Lowell Ahart, John Dittes 2016-7-14 21173 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
  UC68059  Erodium cicutarium Mrs. M. H. Manning 1903-3-29 61 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  NY1101520  Erodium cicutarium M. J. Williams 1988-6-2 88- 27 --2 Modoc Hwy 395, 0.4 mile east of Susanville road after turn to Alturas Comment
  UCD77711  Eryngium alismifolium Robert E. Preston 2000-7-18 1415 Modoc Hog Lake. 1499 Comment
  CAS-BOT-BC21475  Eryngium articulatum Bruce Bartholomew; Barrett Anderson 1988-6-23 4289 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  JEPS94841  Eryngium articulatum Vernon H. Oswald and Lowell Ahart 1998-9-8 9589 Modoc County Road 93 adjacent to the Rail Road at Lookout Junction nw of Lookout; County Road 93 1280 Comment
  UC10551  Erysimum capitatum Mrs. R. M. Austin and Bruce June 1898 2252 Modoc Lake City Mt. Comment
  CAS-BOT-BC58331  Erysimum capitatum var. capitatum Annie Montague Alexander; L. Kellogg 1946-6-27 4843 Modoc Highgrade, (top of ridge, 2 mi. by road from Dismal Swamp) N end fo Warner Mountains. 2377 Comment
  CAS-BOT-BC58328  Erysimum capitatum var. capitatum M. M. Hanna 1956-6-7 Modoc East side, Glass Mtn., 4 mi. Comment
  CAS-BOT-BC58342  Erysimum repandum Bruce Bartholomew; Barrett Anderson 1988-5-12 4135 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  HSC6795  Erysimum repandum M. T. Milligan 1965-6-27 365 Modoc Eroded volcanic plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC229906  Erythranthe breweri Bruce Bartholomew 1990-6-15 5250 Modoc Manzanita Mountain in ca. 0.2 km S of turn off to Manzanita Lookout. 2040 Comment
  CAS-BOT-BC234479  Erythranthe moniliformis Bruce Bartholomew 1989-8-12 5130 Modoc Deep Creek, E side of Warner Mountains. 1920 Comment
  CAS-BOT-BC234462  Erythranthe primuloides Bruce Bartholomew 1990-6-15 5239 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC234463  Erythranthe primuloides K. Paulson; Robert Paulson 1988-6-29 63 Modoc Benton Meadow, Warner Mts.. 1676 Comment
  CAS-BOT-BC234427  Erythranthe pulsiferae Bruce Bartholomew 1992-5-16 6320 Modoc Lunsford Spring. 1600 Comment
  CAS-BOT-BC234472  Erythranthe pulsiferae Bruce Bartholomew 1991-6-23 5885 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  CAS-BOT-BC234432  Erythranthe suksdorfii Bruce Bartholomew 1995-6-2 6947 Modoc About 0.3 km E of Barrel Spring road on road from Fort Bidwell to Fee Reservoir. 1510 Comment
  CAS-BOT-BC234433  Erythranthe suksdorfii Alice Eastwood; John Thomas Howell 1940-6-15 8276 Modoc Near Perez. Comment
  CAS-BOT-BC402921  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Modoc Lava Beds National Monument. Caldwell Butte, south slope Comment
  UCD142791  Euphorbia serpillifolia Louis C. Wheeler 1973-8-24 s.n. Modoc Warner Mountains: Sworinger Reservoir. 1798 Comment
  UC17627  Euphorbia spathulata Milo S. Baker 1894-6-15 Modoc Little Hot Spring Valley Comment
  CHSC106196  Euthamia occidentalis Lowell Ahart; John Dittes 2010-8-31 17102 Modoc On the east side of Elkins Lane, about 10 yards east of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC12961  Festuca idahoensis K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5837 Modoc Lava Beds National Monument Road, ca. 0.2 mi w of intersection with Hwy. 139. 1290 Comment
  JEPS127212  Festuca idahoensis Lowell Ahart, John Dittes 2016-6-6 20941 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
  UC1024898  Festuca idahoensis Leo Whitney 1935-5-23 3116 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  SEINET10559251  Festuca idahoensis Alan A. Beetle 1941-6-29 Beetle 2833 Modoc Near summit of Mt. Adin, sandy soil in open forest. 1829 Comment
  UC1037153  Festuca rubra Leo Whitney 1935-7-7 3402 Modoc 4 mi nw Canby; Howard Gulch Comment
  UC114222  Fragaria virginiana subsp. platypetala Mrs. R. M. Austin Jul 1894 Modoc Willow Creek Comment
  POM76594  Frasera albicaulis var. modocensis Mrs. R. M. Austin 1894-07 517 Modoc Goose Lake Valley Comment
  RSA271745  Frasera albicaulis var. nitida C. Epling 1938-6-14 s.n. Modoc South of Likely on Highway 395. Comment
  RSA504830  Frasera albicaulis var. nitida Bruce Bartholomew, B. Anderson 1988-7-21 4412 Modoc Whitehorse Mountains, 11 km north of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC242106  Fritillaria atropurpurea Bruce Bartholomew; Barrett Anderson 1988-6-24 4294 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CHSC30634  Fritillaria pudica N. E. H. Prouty 1980-6-2 171 Modoc Sheep Rock T. S. Rising above Dry Creek. Modoc Nat. Forest, Warner Mt. District. Comment
  HSC25436  Fritillaria pudica D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19310 Modoc Soup Springs Campground Comment
  SDSU20641  Fritillaria pudica Sean Ryan, Michael G. Simpson 2010-6-23 65 Modoc North of Hwy 299, NE of Stough Reservoir Campground, 1.3 miles along Forest Road 43N57 from its intersection with Forest Road 43N07, 130 yards SE from road. Clearing surrounded by Juniperus. Warner Mountains. Modoc National Forest. 2087 Comment
  SJSU5115  Fritillaria pudica A. G. Gunderson 1970-3-28 Modoc by Highway 292, 20 mi SW of Alturas 1524 Comment
  CAS-BOT-BC225048  Galium aparine Annie Montague Alexander; L. Kellogg 1946-7-10 4958 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC248317  Galium aparine B. Bartholomew; H. Sun 2002-6-24 8862 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  HSC80761  Galium aparine G. M. Riegel 1980-7-24 935 Modoc South Warner Mtns. 2100 Comment
  JEPS23839  Galium bifolium Friedrich Ehrendorfer Oct., 1959 Modoc sw side Horse Mt. 2133 Comment
  RSA520345  Galium bifolium Bruce Bartholomew, B. Anderson 1989-6-2 4842 Modoc Vicinity of Stough Reservoir, Warner Mtns. 1950 Comment
  SD70510  Galium serpenticum subsp. warnerense Lauramay T. Dempster, Clare Hardham 1961-6-19 1710 Modoc Mouth of canyon just southeast of New Pine Creek. Steep dry southwest slope, in clefts and bases of rocks 1584 Comment
  UC1408970  Galium trifidum var. pusillum R. F. Thorne and C. W. Tilforth 1969-9-5 39168 Modoc Clear Lake Modoc National Forest, Warner Mts. 1767 Comment
  CAS-BOT-BC180119  Garrya fremontii Leland S. Smith 1917-9-12 157 Modoc Buck Creek. 1828 Comment
  JEPS87990  Gayophytum decipiens Barbara Ertter 1988-6-18 7624 Modoc 1 mi s of s junction Hwy. 139 junction to Lava Beds National Monument (e of Tonesta, a few mi n of Agric. Inspection Station, ca 50 air mi sw of Klamath Falls) 1310 Comment
  UC1618179  Gayophytum decipiens Barbara Ertter 1988-6-18 7624 Modoc Hwy 139 a few mi n Agric. Inspection Station (1 mi s of s jct to Lava Beds Nat'l Monument e of Tonesta, ca 50 air mi sw of Klamath Falls) 1310 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
  JEPS27527  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1918-8-7 7863 Modoc Mt. Bidwell 2133 Comment
  SBBG103626  Gayophytum diffusum subsp. parviflorum H. Bartholomew 1989-7-14 4948 Modoc ca. 8 km NE of Egg lake and 2.5 km E of Service Gulch 1340 Comment
  UC1075753  Gayophytum heterozygum Robert J. Weatherby 1955-7-8 1609 Modoc 7 mi n Fort Bidwell 1874 Comment
  RSA101494  Gayophytum racemosum R. Weatherby 1955-7-8 1609 -A Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  POM254336  Gayophytum ramosissimum Alice Eastwood, John Thomas Howell 1940-6-14 8204 Modoc Near Kelley Hot Springs Comment
  POM38705  Gayophytum ramosissimum R. M. Austin 1895-07 468 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC190817  Gayophytum ramosissimum Elmer Ivan Applegate 1937-5-12 11084 Modoc Lyon road near north entrance, Lava Beds National Monument. Comment
  CHSC115697  Gentiana affinis var. ovata L. P. Janeway 2015-8-11 11832 Modoc Warner Mountains. East side of Squaw Peak a little above Squaw Peak Trail. 2483 Comment
  SBBG3924  Geranium richardsonii H. and M. Dearing 1939-6-8 3592 Modoc Pine Cyn, Warner Mtns Comment
  CAS-BOT-BC180063  Geranium viscosissimum Leland S. Smith 1917-7-2 62 Modoc Head of Shield's Creek. 2316 Comment
  CAS-BOT-BC180072  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-30 4878 Modoc Highgrade, W side of ridge. 2377 Comment
  CAS-BOT-BC180073  Geranium viscosissimum R. M. Austin 1895-6-1 Modoc Davis Creek. Comment
  CAS-BOT-BC180079  Geranium viscosissimum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10544 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC214656  Geum macrophyllum Bruce Bartholomew; Barrett Anderson 1988-7-21 4442 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  HSC80698  Geum macrophyllum G. M. Riegel 1980-8-5 984 Modoc S Warner Mtns. 1829 Comment
  HSC98404  Geum macrophyllum M. T. Milligan 1966-7-1 517 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  CAS-BOT-BC214663  Geum triflorum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16480 Modoc Along Lassen Creek on road to Davis Creek, Warner Mts. Comment
  CAS-BOT-BC214669  Geum triflorum K. Paulson; Robert Paulson 1988-5-22 1 Modoc Boles Creek, Devil's Garden. 1402 Comment
  CAS-BOT-BC214672  Geum triflorum K. Paulson; Robert Paulson 1988-6-19 52 Modoc Craig Springs. 1493 Comment
  CAS-BOT-BC214679  Geum triflorum Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc E of Adin Pass Summit, on U.S. highway 299. 1576 Comment
  RSA666425  Geum triflorum Barbara Ertter 1988-6-18 7627 Modoc Hwy 139 14.5 miles ENE of jct Hwy 299 at Canby, N of Bessler Reservoir. 1463 Comment
  RSA666426  Geum triflorum Barbara Ertter 1988-6-18 7618 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Nat'l Monument E of Tonesta. 1311 Comment
  UC465638  Geum triflorum M. F. Gilman 637 Modoc Comment
  CAS-BOT-BC190703  Gilia brecciarum subsp. brecciarum Elmer Ivan Applegate 1936-5-4 10230 Modoc Lyon rock near Hospital Rock, Lava Beds National Monument. Comment
  CAS-BOT-BC190694  Gilia inconspicua Elmer Ivan Applegate 1935-6-7 9395 Modoc Thomas Massacre area, Lava Beds National Monument. Comment
  CAS-BOT-BC190690  Gilia leptalea subsp. leptalea Bruce Bartholomew 1989-7-14 4944 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  CAS-BOT-BC190688  Gilia leptomeria Bruce Bartholomew 1991-6-22 5849 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  RSA104288  Gilia modocensis Verne Grant, Alva Grant 1956-5-18 9804 Modoc area between Likely and Jess Valley (Type locality of G. modocensis Eastw.). 1524 Comment
  CAS-BOT-BC95145  Githopsis specularioides Bruce Bartholomew 1993-6-12 6588 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC218302  Glaux maritima Arnold Tiehm; S. Cochrane; Jan Nachlinger; Gary Schoolcraft 1984-6-24 8796 Modoc Surprise Valley Mineral Wells on E side of Alkali Lake. 1371 Comment
  CAS-BOT-BC218303  Glaux maritima Bruce Bartholomew 1991-10-13 6123 Modoc Just N of Surprise Valley Mineral Hot Springs, ca. 8 km W of Cedarville, Surprise Valley. 1320 Comment
  CHSC106193  Glyceria borealis Lowell Ahart; John Dittes 2010-8-31 17121 Modoc About 5 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
  CHSC99493  Glyceria borealis Lowell Ahart; John Dittes 2008-6-21 15006 Modoc In shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, 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
  SEINET4584852  Glyceria borealis S. Swift 1937-6-26 51 Modoc North Fork Pit River 1280 Comment
  HSC10710  Glyceria elata M. T. Milligan 1966-6-30 511 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC49529  Gnaphalium palustre Annie Montague Alexander; L. Kellogg 1946-7-6 4913 Modoc 3.5 mi. E of Eagleville. Comment
  CAS-BOT-BC49536  Gnaphalium palustre John Thomas Howell 1934-6-15 12203 Modoc Dorris Reservoir, 2 miles E of Alturas Comment
  CHSC85149  Gratiola ebracteata John Dittes; Josephine Guardino 1991-7-21 444 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
  UCD77745  Gratiola heterosepala Robert E. Preston 2000-7-18 1418 Modoc Ca. 11 mi nw of Canby, 1,000 ft n of Hwy 139, T42N R8E se 1/4 of ne 1/4 Section 3 1487 Comment
  CHSC112837  Gratiola neglecta Lowell Ahart; John Dittes 2013-7-24 18917 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
  RSA210886  Gratiola neglecta Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39100 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
  CAS-BOT-BC95538  Grayia spinosa E. S. Willits 1940-6-9 342 Modoc Cedarville Comment
  CAS-BOT-BC49540  Grindelia hirsutula Leland S. Smith 1925-7-1 1507 Modoc Webb Flat, also flats around Egg Lake 1310 Comment
  JEPS117171  Grindelia hirsutula Lowell Ahart, John Dittes 2010-8-30 17069 Modoc In a large vernal pool, about 5 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
  SEINET3146837  Grindelia hirsutula M. S. Baker sn Modoc Forest Dale Comment
  UC76029  Grindelia hirsutula Milo S. Baker 1898-1 Modoc Forestdale Comment
  CHSC115510  Grindelia nana L. P. Janeway 2014-7-8 11457 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  SEINET195672  Grindelia nana Annie M. Alexander, L Kellogg 1946-6-17 4998 Modoc Along road to Alturas and N to Davis Creek Warner Mountains Comment
  UC1523803  Hackelia californica Lisa Janio 1981-7-13 55 Modoc near Bear Spring 1524 Comment
  CAS-BOT-BC54088  Hackelia cusickii Fred. P. Cronemiller 1920-6-20 30 Modoc Fillingim's, Modoc National Forest 1371 Comment
  CAS-BOT-BC54091  Hackelia cusickii K. Paulson; Robert 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-BC54059  Hackelia micrantha C. L. Hitchcock 1940-5-27 6692 Modoc 15 mi. NE of Alturas. 1615 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
  HSC80931  Hackelia micrantha G. M. Riegel 1979-7-23 573 Modoc S Warner Mtns. 1829 Comment
  JEPS86312  Hackelia micrantha Jack and Betty Guggolz 1988-6-28 958 Modoc groves w of Jenkins Spring Comment
  UC449872  Hackelia micrantha Mrs. M. H. Manning 1907-1 Modoc e side of Mount Bidwell (12 Mile Creek) Comment
  HSC5799  Helianthella californica subsp. nevadensis M. S. Baker 1893-1 Modoc Forestdale Comment
  RSA92483  Helianthus cusickii F. W. Peirson 1926-6-26 6902 Modoc between Alturas and Canby Comment
  CAS-BOT-BC54063  Heliotropium curassavicum Elmer Ivan Applegate 1897-6-7 901 Modoc E side of Tule Lake. Comment
  UC1191655  Heliotropium curassavicum Herbert L. Mason and Verne Grant 1947-7-12 13411 Modoc s.w. of Alturas (w. side of S. Fork of Pit R. Valley); S. Fork of Pit R. Valley Comment
  CHSC106324  Hemizonia lobbii Lowell Ahart; John Dittes 2010-8-31 17094 Modoc On the east side of Elkins Lane, about 50 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC21462  Heracleum lanatum Bruce Bartholomew 1995-7-31 7126 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  UC748467  Heracleum lanatum Annie M. Alexander and Louise Kellogg 1946-7-12 4982 Modoc n.e. corner Modoc Co., Twelve Mile Creek Comment
  HSC80787  Heracleum maximum G. M. Riegel 1980-7-28 958 Modoc S Warner Mtns. 2100 Comment
  UC26093  Hesperochiron californicus Mrs. R. M. Austin June 1894 Modoc lava beds w. Goose Lake Comment
  CAS-BOT-BC180032  Hesperochiron pumilus Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6506 Modoc Fletcher Creek near crossing by Crowder Flat Road. 1600 Comment
  CAS-BOT-BC180039  Hesperochiron pumilus Bruce Bartholomew; Barrett Anderson 1988-5-12 4102 Modoc White Horse. 1340 Comment
  UC571111  Hesperolinon micranthum F. H. Frost 1925-7-20 93 Modoc 2 mi above Cedarville; Warner Mts., Cedar Camp Comment
  JEPS32312  Hesperolinon micranthum Mrs. M. H. Manning 1918-7-14 Modoc north-eastern Modoc County Comment
  SJSU9369  Heteranthera dubia W. Savage 1979-7-3 1275 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1100976  Heteranthera dubia Verne Grant and Irving Schneider 1947-8-28 8349 Modoc ca. 3 1/2 mi downstream from Canby (at entrance to gorge); Pit River Comment
  UC54113  Heterotheca villosa var. minor H. M. Hall and E. B. Babcock 1903-6-21 4237 Modoc Lava Beds Sierra Nevada Mountains (sw Modoc County) 1219 Comment
  CAS-BOT-BC225795  Heuchera cylindrica Louis Cutter Wheeler 1935-8-7 3804 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC225796  Heuchera cylindrica Leland S. Smith 1917-7-2 57 Modoc Head of Shield Creek. 2316 Comment
  SEINET195678  Heuchera cylindrica Annie M. Alexander, L Kellogg 1946-7-29 5089 Modoc Warner Mountains; Head of Eagle Creek. Comment
  RSA0062922  Heuchera cylindrica var. alpina R. Weatherby 1955-7-8 1629 Modoc 6 miles N of Ft. Bidwell. No. Warner Mtns. 1646 Comment
  JEPS27160  Heuchera cylindrica var. ovalifolia Lauramay T. Dempster 1961-6-19 1702 Modoc headwaters of the South Fork of Davis Creek (e of Davis Creek (town)) 2286 Comment
  HSC80724  Heuchera rubescens G. M. Riegel 1980-7-31 981 Modoc S Warner Mtns. 1829 Comment
  CHSC109205  Hieracium albiflorum L. P. Janeway; B. Castro 2012-7-24 10961 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.04air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. 2250 Comment
  CHSC70467  Hieracium albiflorum A. Sanger 1996-7-12 2417 Modoc Found along road 44N69, between 44N69C and 69B. 1975 Comment
  UC566692  Hieracium albiflorum F. H. Frost 1925-7-24 137 Modoc Jess Valley Warner Mountains Comment
  HSC81132  Hieracium albiflorum G. M. Riegel 1980-8-13 1058 Modoc South Warner Mtns. 1670 Comment
  RSA504613  Hieracium albiflorum Bruce Bartholomew, B. Anderson 1988-7-21 4413 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  UC190587  Hieracium albiflorum M. F. Gilman 605 Modoc 1981 Comment
  UC565557  Hieracium albiflorum F. H. Frost 1925-7-24 Modoc Clear Lake Warner Mts. Comment
  HSC81133  Hieracium horridum G. M. Riegel 1979-7-21 572 Modoc South Warner Mountains 1670 Comment
  JEPS5976  Hieracium scouleri Frances D. Payne 1932-7-22 735 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA540061  Hieracium scouleri Bruce Bartholomew, B. Anderson 1990-7-19 5418 Modoc Top of Hunters Ridge south of Rush Creek. 1960 Comment
  HSC10126  Holcus lanatus M. T. Milligan 1966-7-1 519 Modoc N end of Jess Valley. 1616 Comment
  RSA584728  Holosteum umbellatum Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-12 6519 Modoc Ca. 1 km W of Aden on road to Lookout. 1280 Comment
  NY446368  Holosteum umbellatum G. Schoolcraft 1981-5-6 376 Modoc North of Alturas 1463.0 Comment
  CAS-BOT-BC247682  Hordeum brachyantherum subsp. brachyantherum Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake Ranch near S end. Comment
  CAS-BOT-BC247683  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew 1990-8-4 5625 Modoc Slope on NE side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2430 Comment
  CAS-BOT-BC247689  Hordeum brachyantherum subsp. brachyantherum Roxana Stinchfield Ferris; R. Duthie 1919-6-3 165 Modoc Parker Creek near Modoc National Forest boundary. Comment
  SBBG115845  Hordeum jubatum B. Crampton 1954-7-7 2160 Modoc 2.5 mi E of Alturas, near radio stn Comment
  CDA32411  Hordeum jubatum T. C. Fuller 1962-8-3 9491 Modoc Hwy 139 to Tulelake, 0.25 mile northwest of Stronghold 0 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
  CAS-BOT-BC181961  Hosackia crassifolia Bruce Bartholomew 1989-7-14 4936 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 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-BC179318  Hydrophyllum capitatum var. alpinum Bruce Bartholomew 1990-6-15 5226 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  CAS-BOT-BC179323  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; Barrett Anderson 1988-5-12 4099 Modoc White Horse. 1340 Comment
  CAS-BOT-BC179330  Hydrophyllum capitatum var. alpinum Annie Montague Alexander; L. Kellogg 1946-6-8 4704 Modoc Near 3 mile Ranger Station sign, road from Eagleville to Patterson Mill. 2225 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-BC179337  Hydrophyllum capitatum var. alpinum Edward Kent Balls 1950-5-12 14638 Modoc Above Bucks Creek Ranger Station. 1737 Comment
  CAS-BOT-BC180024  Hydrophyllum capitatum var. alpinum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 80 Modoc Parker Creek. Comment
  CAS-BOT-BC180027  Hydrophyllum capitatum var. alpinum Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass. Comment
  UC1069092  Hydrophyllum capitatum var. alpinum R. C. Wilson 1933-5-29 32 Modoc Rush Creek; Modoc National Forest, Canby Quad. 1310 Comment
  UC748438  Hydrophyllum capitatum var. alpinum Annie M. Alexander and Louise Kellogg 1946-6-8 4704 Modoc road from Eagleville to Patterson Mill (near 3 mi Ranger Station sign) 2225 Comment
  UC880767  Hydrophyllum capitatum var. alpinum C. L. Hitchcock 1940-5-27 6682 Modoc 15 mi ne Alturas 1615 Comment
  RSA420899  Hydrophyllum capitatum var. alpinum Christopher Davidson 1975-6-4 2616 Modoc 2.5 miles W of Cedarville on Hwy 299. 1677 Comment
  CAS-BOT-BC179905  Hypericum anagalloides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10565 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station, Warner Mts. Comment
  CAS-BOT-BC58447  Idahoa scapigera E. S. Willits 1940-4-16 181 Modoc Sugar Hill. Comment
  UC10772  Idahoa scapigera Mrs. R. M. Austin April, 1894 Modoc Goose Lake Valley Comment
  CAS-BOT-BC179106  Iliamna bakeri Edward Kent Balls; Percy C. Everett 1952-10-11 20958 Modoc 0.2 mi. SE of crest of Fandango Pass. 1859 Comment
  UC449742  Ipomopsis aggregata Mrs. M. H. Manning 1907-1 Modoc 12 Mile Creek Mt. Bidwell, e side Comment
  UC449780  Ipomopsis aggregata Franklin P. Nutting Modoc near Forestdale Comment
  CHSC50766  Ipomopsis congesta Marion Ownbey; Fred G. Meyer 1940-7-1 2133 Modoc Cedar Pass, Warner Mts. Comment
  SEINET6044951  Ipomopsis congesta Marion Ownbey, Meyer, Fred G. 1940-7-1 2133 Modoc Warner Mountains. Cedar Pass. Comment
  POM75252  Ipomopsis tenuituba Mrs. R. M. Austin 1895-07 449 Modoc Sugar Hill Comment
  UC844909  Iris missouriensis C. L. Hitchcock 1940-5-28 6727 Modoc 15 mi n Alturas 1402 Comment
  UC429170  Iris missouriensis Milo S. Baker 1893-1 Modoc Big Valley; Lassen and Modoc Counties Comment
  CHSC112817  Isatis tinctoria Lowell Ahart; John Dittes 2013-7-25 18962 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  NY411180  Isatis tinctoria R. C. Rollins 1981-6-2 81199 Modoc U.S. Hwy. 395, 5 miles south of New Pine Creek, Oregon Comment
  CAS-BOT-BC30186  Isoetes bolanderi Bruce Bartholomew 1991-8-6 6082 Modoc N Emerson Lake, E side of Warner Mts. 2370 Comment
  CAS-BOT-BC30187  Isoetes bolanderi Louis Cutter Wheeler 1935-8-14 3857 Modoc Cave Lake, Warner Mts. 2072 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
  SD132254  Iva axillaris G. Helmkamp 1990-9-23 H 1 Modoc U. S. Highway 395, 13 miles north of Likely. 1340 Comment
  CAS-BOT-BC49490  Iva axillaris subsp. robustior Bruce Bartholomew; Barrett Anderson 1990-7-20 5452 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  CDA34281  Iva axillaris subsp. robustior L. Ahart, J. Dittes 2010-8-3 17085 Modoc About 20 yards north 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, and about 7.2 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC106337  Iva axillaris subsp. robustior Lowell Ahart; John Dittes 2010-8-30 17085 Modoc About 20 yards north 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
  JEPS114662  Iva axillaris subsp. robustior Lowell Ahart, John Dittes 2008-8-25 15304 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
  UC89107  Iva axillaris subsp. robustior Mrs. R. M. Austin 1894-8-1 234 Modoc Goose Lake Valley Comment
  RSA537662  Ivesia baileyi var. beneolens D. W. Taylor 1990-6-25 11164 Modoc Cedar Pass, northerly slopes of Peak 7298. 2149 Comment
  UC748065  Ivesia gordonii Annie M. Alexander and Louise Kellogg 1946-8-9 5140 Modoc Patterson Lake Trail; Warner Mountains Comment
  HSC18689  Ivesia gordonii var. ursinorum M. T. Milligan 1965-7-10 431 Modoc W slopes of Eagle Peak 2591 Comment
  CHSC85121  Juncus balticus John Dittes; Josephine Guardino 1991-7-21 401 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
  UC1100975  Juncus balticus Herbert L. Mason and Verne Grant 1947-7-9 13318 Modoc Cedar Pass, summit of Warner Range Warner Range 1920 Comment
  JEPS120122  Juncus balticus subsp. ater Lowell Ahart, John Dittes 2012-7-12 18364 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS63878  Juncus balticus subsp. ater Leland S. Smith 1920-7-13 1186 Modoc Crowder Flat Modoc National Forest 1371 Comment
  JEPS121227  Juncus bufonius var. occidentalis Lowell Ahart, John Dittes 2013-7-24 18930 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC245049  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-2 6932 Modoc 7.4 km W of County Road 91 on road to Egg Lake, between Lookout and Lookout Jct. 1260 Comment
  CAS-BOT-BC245050  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-12 6600 Modoc Tom Large Flat, W of Egg Lake. 1260 Comment
  CAS-BOT-BC245054  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-3 6956 Modoc Fletcher Creek E of Pease Cabin between Goose Lake and Crowder Flat Road. 1520 Comment
  UCD141571  Juncus longistylis L. S. Smith 1918-6-23 s.n. Modoc Lily Lake. High Grade District. 1981 Comment
  CAS-BOT-BC245042  Juncus nevadensis Leland S. Smith 1918-6-23 952 Modoc along trail, West Slope - wet; Modoc National Forest, Lily Lake 2042 Comment
  UC1560398  Juncus orthophyllus E. Joyal and D. Mehlman 1988-6-28 1289 Modoc e of New Pine Creek, Oregon (Pine Creek, n Warner Mts.); Warner Mts., Pine Creek Comment
  UCR67433A  Juncus saximontanus George K. Helmkamp 1990-9-23 J- 12 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  SDSU1822  Juniperus californica L. N. Harvey 1930-9-24 Modoc Comment
  CHSC115481  Juniperus occidentalis L. P. Janeway 2014-7-8 11469 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  SD139421  Juniperus occidentalis F. C. Vasek 1962-9-2 day 16 Modoc 4.2 miles east of Likely. 1735 Comment
  UC1134338  Juniperus occidentalis R. C. Wilson 1933-6-27 54 Modoc Rush Creek Modoc National Forest, Canby Quad., Rush Creek 1463 Comment
  CAS-BOT-BC30151  Juniperus occidentalis var. occidentalis Belknap C. Goldsmith 1910-8-1 17 Modoc Fandango Creek, 3 mi E of Goose Lake. 1584 Comment
  RSA59343  Juniperus occidentalis var. occidentalis E. K. Balls 1950-5-12 14634 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  UCR1827  Juniperus occidentalis var. occidentalis Frank C. Vasek 1962-9-2 620902 14 Modoc 4.2 mi east of Likely 2287 Comment
  RSA93401  Juniperus occidentalis var. occidentalis Milo S. Baker 1936-6-14 8315 Modoc Malin to Quarantine Station Comment
  UC1044491  Juniperus osteosperma Mrs. B. N. Berry 1955-9-30 Modoc between Klamath Falls and Canby (s of Timber Mountain on highway); Modoc National Forest 1341 Comment
  RSA504628  Kalmia polifolia subsp. microphylla Bruce Bartholomew, B. Anderson, Bartholomew 1988-6-24 4345 Modoc Vicinity of Blue Bell Mine between Lily Lake and Fort Bidwell on County Road 2, Warner Mountains. 2190 Comment
  CAS-BOT-BC225088  Kelloggia galioides Alice Eastwood; John Thomas Howell 1940-6-13 8153 Modoc Fandango Pass. Comment
  CAS-BOT-BC225091  Kelloggia galioides E. S. Willits 1940-6-9 335 Modoc Fandango Pass. Comment
  CAS-BOT-BC225094  Kelloggia galioides Bruce Bartholomew; Barrett Anderson 1988-7-22 4480 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC225097  Kelloggia galioides Robert Patterson; Mona Bourell 1993-8-15 5264 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  POM299547  Kelloggia galioides Marion Ownbey, Fred G. Meyer 1940-7-1 2149 Modoc Cedar Peak, Warner Mountains. 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
  CAS-BOT-BC121262  Kochia scoparia Gary Schoolcraft 1984-6-24 1257 Modoc East side of Middle Alkali Lake 1356 Comment
  CAS-BOT-BC247643  Koeleria macrantha R. M. Austin 1895-7-1 494 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC247651  Koeleria macrantha Leland S. Smith 1917-7-4 101 Modoc Above Cedarville. 1828 Comment
  CDA7518  Lactuca tatarica subsp. pulchella T. C. Fuller 1958-7-8 2029 Modoc Davis Creek. 0 Comment
  UCD133498  Lactuca tatarica subsp. pulchella T. C. Fuller 1959-7-8 2029 Modoc Davis Creek. Comment
  UC33034  Lactuca tatarica subsp. pulchella Milo S. Baker 1893-6-1 Modoc Comment
  CAS-BOT-BC497215  Lagophylla ramosissima Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -8 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  RSA152634  Lagophylla ramosissima I. L. Wiggins, Dorothy Wiggins 1961-6-12 16375 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  RSA0113971  Lagophylla ramosissima subsp. ramosissima Lowell A. Ahart, John Dittes 2008-8-25 15327 Modoc On the west side of County Road 91, 3.9 miles (air) north-north-east of Lookout. Comment
  CAS-BOT-BC179873  Lamium amplexicaule Leland S. Smith 1919-5-1 1082 Modoc Jess Valley, Clarke Ranch. 1600 Comment
  CAS-BOT-BC54067  Lappula redowskii C. C. (Mrs.) Bruce 1893-6-1 85 Modoc Davis Creek. Comment
  UC71569  Lappula redowskii Mrs. M. H. Manning c. 1899 170 Modoc Fort Bidwell n.e. Modoc Co., Fort Bidwell Comment
  POM29225  Lathyrus R. M. Austin 1895-05 411 Modoc Goose Lake Valley. Comment
  UC15396  Lathyrus brownii Mrs. C. C. Bruce Jun 1898 2223 Modoc Lake City pass Lake City Comment
  CAS-BOT-BC497318  Lathyrus lanszwertii Fred P. Cronemiller, Jr. 1920-6-10 3 Modoc McKenzie Spring 1310 Comment
  RSA160015  Lathyrus nevadensis subsp. lanceolatus Clare B. Hardham 1961-6-19 7862 Modoc Pine Creek 1677 Comment
  CAS-BOT-BC181970  Lathyrus rigidus E. S. Willits 1940-5-4 208 Modoc Willow Ranch. Comment
  JEPS5972  Layia glandulosa Frances D. Payne 1932-6-19 550 Modoc Comment
  POM77416  Ledum glandulosum Mrs. R. M. Austin 1895-07 304 Modoc Tamaracks 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
  CAS-BOT-BC245026  Lemna trisulca B. Bartholomew 1992-8-7 6361 Modoc Meadow 2.3 km W of West Warner road at Soup Creek, W side of Warner Mountains 1720 Comment
  CAS-BOT-BC245025  Lemna turionifera Verne Grant; I. Schneider 1947-7-19 8064 Modoc Corporation Ranch, S of south loop road. Comment
  CAS-BOT-BC58456  Lepidium campestre Bruce Bartholomew 1995-6-1 6925 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  CHSC105974  Lepidium campestre Lowell Ahart; John Dittes 2010-8-30 17079 Modoc On the north side of a wash, about 150 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
  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
  CAS-BOT-BC242082  Leucocrinum montanum M. French Gilman 525 Modoc Modoc County. Comment
  SEINET12271432  Leucophysalis nana M. Ownbey, Meyer, F. G. 1940-1 2132 Modoc near Cedar Pass, Warner Mts Comment
  CAS-BOT-BC197456  Lewisia nevadensis Bruce Bartholomew 1994-7-2 6804 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  CAS-BOT-BC197462  Lewisia nevadensis Elmer Ivan Applegate 1932-8-1 8024 Modoc Summit of Warner Mts. just S of Warren Peak. Comment
  UC412640  Lewisia nevadensis Franklin P. Nutting Modoc Forestdale Comment
  UC7804  Lewisia nevadensis Milo S. Baker 1893-6-15 Modoc 1371 Comment
  CAS-BOT-BC444400  Lewisia rediviva Francis Dorris Payne 1929-6-23 25 Modoc Parker Creek, Warner Mts. 1584 Comment
  UC536798  Leymus cinereus Frances Payne 781 Modoc Warner Mts. Comment
  UCD64256  Leymus cinereus Gerald Dickinson 1963-7-17 107 Modoc U.S. Hwy 299, 0.6 mi. NE of Canby. 1402 Comment
  POM201804  Leymus triticoides Frances D. Payne 782 Modoc Warner Mts. Comment
  CAS-BOT-BC238353  Limosella aquatica John Thomas Howell 1934-6-13 12092 Modoc 2 1/2 miles s. of Eagleville Comment
  RSA210885  Limosella aquatica Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39119 -a Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC198043  Linanthus harknessii Bruce Bartholomew 1991-7-4 5920 Modoc Road between Roney Flat and Miller Flat. 1630 Comment
  NY1012637  Linanthus harknessii A. J. Cronquist 1959-6-20 8527 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920.2 Comment
  JEPS17731  Linanthus harknessii Rimo Bacigalupi with G. T. Robbins 1955-7-20 5397 Modoc 3.3 mi e Patterson (flat at summit of forest rd across s end of Warner Mts.); Modoc National Forest, Warner Mts. 2225 Comment
  UC23622  Linanthus harknessii Milo S. Baker 1893-7-8 Modoc Comment
  CAS-BOT-BC198026  Linanthus nuttallii subsp. nuttallii K. Paulson; Robert Paulson 1989-7-14 179 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 2171 Comment
  JEPS103192  Linanthus nuttallii subsp. nuttallii G. Schoolcraft 2000-7-17 2916 Modoc N Warner Mountains East of Poison Lake 2225 Comment
  CDA6353  Linaria genistifolia subsp. dalmatica T. C. Fuller, W. T. Parsons 1960-7-27 4875 Modoc Lassen Creek, near Sugar Hill Planting. 0 Comment
  CDA6368  Linaria vulgaris T. C. Fuller 1964-10-7 12690 Modoc 3/4 mile northwest of Stronghold. 0 Comment
  CAS-BOT-BC179158  Linum lewisii Elmer Ivan Applegate 1932-8-3 8114 Modoc Dry crest of Warner Mts. near Eagle Peak. Comment
  HSC15810  Linum lewisii M. T. Milligan 1964-6-27 97 Modoc Jct. of Lassen Creek Rd. and old Hwy. 395 1677 Comment
  UC17254  Linum lewisii Milo S. Baker 1893-6 Modoc Lava Beds 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
  CAS-BOT-BC225810  Lithophragma glabrum F. Angwin 1946-4-6 s.n. Modoc Adin. 1371 Comment
  CAS-BOT-BC225814  Lithophragma glabrum Annie Montague Alexander; L. Kellogg 1946-6-25 4824 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  CAS-BOT-BC225817  Lithophragma glabrum Bruce Bartholomew; Barrett Anderson 1988-5-12 4112 Modoc S side of Egg Lake. 1300 Comment
  JEPS5960  Lithophragma glabrum Frances D. Payne 1932-6-12 543 Modoc Dry Creek Canyon; Warner Mountains, Dry Creek Canyon 1645 Comment
  RSA59798  Lithophragma glabrum E. K. Balls 1950-5-17 14738 Modoc Howard s Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  UC11912  Lithophragma glabrum Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley Comment
  UC71790  Lithophragma glabrum Mrs. M. H. Manning Apr 26 1903-May 1 1903 101 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  UC748215  Lithophragma glabrum Annie M. Alexander and Louise Kellogg 1946-6-5 4666 Modoc s Eagleville (Emerson Creek); Warner Mountains, Emerson Creek 2072 Comment
  CAS-BOT-BC225838  Lithophragma tenellum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16425 Modoc Summit of Cedar Pass, between Alturas and Cedarville. 1935 Comment
  CHSC30632  Lithophragma tenellum NEH Prouty 1980-6-2 175 Modoc Modoc Nat. Forest. Warner Mt. District. Northern side of Dry Creek Basin Rd. Comment
  HSC80732  Lithophragma tenellum G. M. Riegel 1980-7-22 919 Modoc S Warner Mtns. 1670 Comment
  CHSC85192  Lithospermum arvense John Dittes; Josephine Guardino 1991-6-1 348 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC54074  Lithospermum ruderale John Thomas Howell 1934-6-11 11962 Modoc Parker Creek, Warner Mountains 1584 Comment
  POM72725  Lithospermum ruderale Mrs. R. M. Austin 524 Modoc Goose Lake Valley. Comment
  RSA486799  Lithospermum ruderale Bruce Bartholomew, B. Anderson 1988-5-13 4143 Modoc Along Parker Creek Road, 2.7 km W of Modoc National Forest and ca. 16km WSW of Alturas, W side of the Warner Mountains. 1490 Comment
  RSA452580  Lomatium bicolor var. leptocarpum Christopher Davidson 1975-6-4 2598 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  RSA164430  Lomatium bicolor var. leptocarpum Clare B. Hardham 1961-6-16 7891 Modoc Road from Mt. Bidwell to Dismal Cr. 2439 Comment
  UC21263  Lomatium bicolor var. leptocarpum Mrs. R. M. Austin and Bruce June 1898 2283 Modoc Fields, Goose Lake Comment
  CAS-BOT-BC21434  Lomatium canbyi Isabelo T. Kelly 1930-1-1 10 Modoc Cow Lake. Comment
  CHSC75439  Lomatium canbyi V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9762 Modoc Soldier Creek Canyon adjacent to USFS 45N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  CAS-BOT-BC30168  Lomatium dissectum var. multifidum John Thomas Howell 1934-6-11 11941 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC30173  Lomatium dissectum var. multifidum Bruce Bartholomew; Mona Bourell 1990-4-26 5164 Modoc Vicinity of Ostrom Point, N side of Pit River, 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  SEINET8684976  Lomatium grayi G. S. Bartholomew 1998-6-5 2729 Modoc E side of upper Alkali Lake, S of Leonard Springs. 1402 Comment
  CAS-BOT-BC30132  Lomatium grayi var. grayi C. C. (Mrs.) Bruce 1899-1-1 2490 Modoc Lake City Mt. Comment
  NY1160601  Lomatium leptocarpum A. Tiehm 1984-7-30 8827 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1615 Comment
  CAS-BOT-BC30141  Lomatium macrocarpum Mrs. H. C. Cantelow 1940-6-1 4509 Modoc 10 mi. E of Alturas. Comment
  POM78500  Lomatium macrocarpum Mrs. R. M. Austin 1895-05 28 Modoc Goose Lake Valley Comment
  UCR51778  Lomatium macrocarpum Christopher Davidson 1975-6-4 2606 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of hwy 395 1500 Comment
  HSC69597  Lomatium macrocarpum Gary Schoolcraft 1980-4-29 217 Modoc Near intersection of Hwy. 299 and 395, N of Alturas 1494 Comment
  SEINET229583  Lomatium marginatum Gary Schoolcraft 1981-6-6 378 Modoc Ne of Alturas California 1524 Comment
  RSA59537  Lomatium nevadense E. K. Balls 1950-5-20 14803 Modoc 0.75 mile below Mill Creek Falls Public Camp, toward Jess Valley and South Fork Pit River 1677 Comment
  CAS-BOT-BC15753  Lomatium nevadense var. nevadense R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2373 Modoc Goose Lake. Comment
  CAS-BOT-BC15756  Lomatium nevadense var. nevadense Clare Butterworth Hardham 1961-6-18 7590 A Modoc Cedar Pass. 1828 Comment
  CAS-BOT-BC15757  Lomatium nevadense var. nevadense Annie Montague Alexander; L. Kellogg 1946-6-8 4703 Modoc Near 3 mi. Ranger Station sign, road from Eagleville to Patterson Mille. 2225 Comment
  UC1228813  Lomatium nevadense var. nevadense Lincoln Constance and Emil DiFulvio 1962-4-16 3749 Modoc 3.2 mi. n. Likely 1310 Comment
  UC106256  Lomatium nevadense var. parishii Mrs. R. M. Austin May 1894 415 Modoc Goose Lake Valley Comment
  CAS-BOT-BC15769  Lomatium nudicaule 1976-5-1 9 LM76 Modoc Devils Garden N of Alturas. 1402 Comment
  CAS-BOT-BC15730  Lomatium piperi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6496 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  CAS-BOT-BC21410  Lomatium triternatum var. triternatum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 84 Modoc Above Parker Creek, 1.5 mi. above Modoc National Forest boundary. Comment
  HSC21596  Lomatium triternatum var. triternatum M. T. Milligan 1965-7-1 413 Modoc Plateau W of Jess Valley. 1829 Comment
  CAS-BOT-BC21402  Lomatium vaginatum Mrs. H. C. Cantelow 1940-5-31 4507 Modoc 3 mi. E of Canby. Comment
  UC1187648  Lomatium vaginatum Lincoln Constance, Elwood Molseed, John Weiler 1960-6-13 3679 Modoc bank overlooking e. side of Goose Lake (9 mi. n. of Davis Creek) 1371 Comment
  UC102335  Lonicera involucrata var. involucrata Mrs. R. M. Austin July 1894 152 Modoc Lassen Creek Comment
  SEINET3523632 Image available Lotus americanus Annie M. Alexander, Louise Kellogg 1946-7-7 4934 Modoc Eight Mile Creek, NE corner of county 1753 Comment
  CAS-BOT-BC181967  Lotus corniculatus Bruce Bartholomew 1989-8-10 5030 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CHSC116081  Lotus corniculatus Lowell Ahart; John Dittes 2015-7-16 20379 Modoc North edge of Ash Creek (destroyed) southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  SEINET3557098 Image available Lotus crassifolius Annie M. Alexander, Louise Kellogg 1946-7-7 4938 Modoc Eight Mile Creek, NE corner of county 1753 Comment
  CAS-BOT-BC181960  Lotus denticulatus John Thomas Howell 1934-6-15 12204 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  NY704619  Lotus denticulatus M. J. Williams 1984-6-20 84- 82 --2 Modoc 13.4 miles west along Parker Creek Road 1585 Comment
  UC15563  Lotus denticulatus Milo S. Baker 1893-7-21 Modoc Comment
  CAS-BOT-BC8390  Lotus leonis Leo David Whitney 1934-6-3 1920 Modoc Hackamore River, Hackamore 1463 Comment
  CAS-BOT-BC181937  Lotus purshianus var. purshianus Bruce Bartholomew; Barrett Anderson 1988-7-22 4485 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC181946  Lotus purshianus var. purshianus M. Vasey 1990-6-30 9042 Modoc Pond along dirt road near Curtis Waterhole, NW of Egg Lake. 1300 Comment
  RSA210839  Lotus unifoliolatus Robert F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39066 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  CAS-BOT-BC190814  Ludwigia peploides subsp. peploides Bruce Bartholomew 1994-10-9 6887 Modoc 0.5 km N of Lassen County on road to Eagleville, S end of Surprise Valley. 1380 Comment
  CAS-BOT-BC181930  Lupinus Bruce Bartholomew; Barrett Anderson 1988-6-24 4348 Modoc South Barber Creek, 6.3 km SW of County Road 1 on County Road 42, E side of the Warner Mts.. 1790 Comment
  CAS-BOT-BC181934  Lupinus M. Vasey 1990-6-29 9021 Modoc Along North Emerson Trail, near pass. South Warner Wilderness 2377 Comment
  CAS-BOT-BC181918  Lupinus arbustus Robert Patterson; Mona Bourell 1993-8-14 5227 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC181923  Lupinus arbustus Elmer Ivan Applegate 1932-7-31 7953 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  SBBG3536  Lupinus arbustus H. and M. Dearing 1939-6-9 3637 Modoc Warner Mtns [near Squaw Peak?] 1828 Comment
  CAS-BOT-BC182178  Lupinus argenteus Alice Eastwood; John Thomas Howell 1940-6-14 8199 Modoc 6 mi. W of Alturas. Comment
  CAS-BOT-BC182196  Lupinus argenteus John Thomas Howell 1934-6-13 12088 Modoc Surprise Valley, 3.5 mi. S of Lake City. Comment
  CAS-BOT-BC182200  Lupinus argenteus Doris K. Kildale 1926-9-11 2772 Modoc 0.5 mi S of Oregon line on road to Alturas. 1371 Comment
  CAS-BOT-BC182219  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  HSC81084  Lupinus argenteus G. M. Riegel 1979-7-14 535 Modoc South Warner Mtn. 509 Comment
  UC865119  Lupinus argenteus A. A. Heller 1938-6-24 15222 Modoc between Alturas and Canby; between Alturas and Canby 1341 Comment
  RSA0026213  Lupinus argenteus John F. Emmel 1997-6-9 1501 Modoc North end Surprise Valley, 3 air miles NE of Ft. Bidwell; along County Road 1, 3.6 road miles NE of jct. with County Road 6. 1409 Comment
  SEINET10451604  Lupinus argenteus subsp. argenteus H. P. Bracelin 1931-6-30 Bracelin 500 Modoc Open field at s end of town. Bush 2 ft high; reddish purple flower 1524 Comment
  SEINET10870581  Lupinus argenteus subsp. argenteus Duane Isely, I. Isely 1971-7-11 Isely 11374 Modoc Roadside at intersection state 139 and 299. Flowers bright violet; standard Ascending 45 degrees; no basal leaves Comment
  CAS-BOT-BC182085  Lupinus argenteus var. heteranthus John Thomas Howell 1934-6-12 12010 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC182086  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47465 Modoc Highway 395, Pine Creek (town), S edge. Comment
  CAS-BOT-BC182103  Lupinus argenteus var. heteranthus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10598 Modoc 5.5 mi. from Patterson Ranger Station on Eagleville Road, Warner Mts. Comment
  CAS-BOT-BC182110  Lupinus argenteus var. heteranthus Bruce Bartholomew; Barrett Anderson 1990-7-20 5485 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC182111  Lupinus argenteus var. heteranthus R. M. Austin 1898-7-1 2143 Modoc Modoc County. Comment
  CAS-BOT-BC182114  Lupinus argenteus var. heteranthus C. L. Hitchcock 1940-5-27 6653 Modoc 9 mi. NE of Alturas. 1402 Comment
  CAS-BOT-BC182117  Lupinus argenteus var. heteranthus Annie Montague Alexander; L. Kellogg 1946-6-12 4739 Modoc Fandango Pass road. 1706 Comment
  CHSC112820  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2013-7-25 18953 Modoc 10 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  HSC104006  Lupinus argenteus var. heteranthus L. Ahart, John Dittes 2011-6-22 17556 Modoc Ten air mi. E of Lookout, Big Valley; 7.7 air mi. W of Adin, 1.1 air mi. S of County Rd. 87, north edge of Ash Creek Floodplain, ~100 yds. NE of the Pilot Butte parking lot 1265 Comment
  SBBG3561  Lupinus argenteus var. heteranthus H. and M. Dearing 1939-6-8 3589 Modoc near Goose Lake 1219 Comment
  UC711810  Lupinus argenteus var. heteranthus Roxana S. Ferris and Laura Lorraine 1941-8-14 10598 Modoc on Eagleville Road five and one-half mi from Patterson Ranger Station; Warner Mountains, Modoc National Forest Comment
  CAS-BOT-BC182109  Lupinus argenteus var. heteranthus R. M. Austin 1884-6-1 89 Modoc Sage brush Plains. 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-BC182022  Lupinus argenteus var. meionanthus Elmer Ivan Applegate 1932-8-1 8043 Modoc Arid E slope of Warren Peak, Warner Mts. 2743 Comment
  UCR101906  Lupinus argenteus var. palmeri G. R. Ballmer 1988-7-20 s.n. Modoc Warner Mountains, Horse Ridge, near NW corner of the South Warner Wilderness Game Refuge, SW of Cedarville 2134 Comment
  CAS-BOT-BC181890  Lupinus brevicaulis Bruce Bartholomew 1995-6-2 6933 Modoc 6.4 km E of Eagleville, S end of Surprize Valley. 1380 Comment
  CAS-BOT-BC181891  Lupinus brevicaulis Bruce Bartholomew 1991-6-22 5843 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  SEINET10485028  Lupinus burkei David B. Dunn, Billy Joe Cox; Lewis S. Fleak 1970-6-8 Dunn 16946 Modoc 1 mi. N of davis creek on us hwy 395. On road cut in grassland. Comment
  SEINET10488607  Lupinus caudatus James P. Smith, John O. Sawyer 1973-8-8 Smith, Jr. 7237 Modoc S slopes of eagle peak; t40 n, r16e, sec 31; rock scree and sagebrush. 2560 Comment
  SEINET10490652  Lupinus caudatus subsp. caudatus H. Dearing, M. Dearing 1939-6-8 Dearing 3589 Modoc Flowers silvery, lavender blue. But leaflets 8 to 10. Near goose lake. 1219 Comment
  CAS-BOT-BC181888  Lupinus latifolius C. L. Hitchcock 1940-5-27 6664 Modoc 15 mi. NW of Alturas. 1615 Comment
  SEINET195694  Lupinus laxiflorus Annie M. Alexander, Louise Kellogg 1946-7-23 5052 Modoc Emerson Peak, Warner Mountains Comment
  SEINET195683  Lupinus laxiflorus var. calcaratus Annie M. Alexander, Louise Kellogg 1946-7-22 5038 Modoc End of road at Bear Camp Flat, Warner Mountains. 2286 Comment
  RSA0118762  Lupinus lepidus subsp. confertus Lowell A. Ahart, John Dittes 2013-7-25 18966 Modoc About 10 yards west of the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  UC1228170  Lupinus lepidus var. sellulus Beecher Crampton 1960-6-17 5706 Modoc 13 mi w Canby (McKay Flat); w of Canby 1280 Comment
  RSA14388  Lupinus lyallii var. danaus Elmer I. Applegate 1932-8-1 8050 Modoc Near the summit of Warren Peak, Warner Mountains. 2896 Comment
  NY747437  Lupinus microcarpus A. A. Heller 1941-6-26 16212 Modoc Along U.S. Highway #399, 8 miles west of Alturas 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
  SEINET8056945  Lupinus microcarpus M. J. Williams, T. Holcomb, B. Holcomb, L. Saxton 1988-5-28 88- 24 -1 Modoc Grade up to Crowder Flat from Hwy 229, W of Alturas 1478 Comment
  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
  SEINET8061400  Lupinus polyphyllus var. saxosus M. J. Williams 1988-5-30 88- 22 -1 Modoc Crowder Flat road, NW of Alturas 1524 Comment
  CAS-BOT-BC181815  Lupinus saxosus Gordon H. True 1964-6-3 1428 Modoc Between Alturas and Goose Lake, North fork Pit River. 1432 Comment
  HSC14835  Lupinus saxosus M. G. Burgoyne 1962-4-23 1000 Modoc 15 mi. W of Cedarville on Hwy. over Cedar Pass 2134 Comment
  SEINET10490265  Lupinus subvexus var. transmontanus Billy Joe Cox, David B. Dunn; Lewis S. Fleak 1970-6-8 Cox 1955 Modoc 6 mi n of alturas at jct of us hwy 395-299 with cedarville rd. Arid grassland With scattered juniper; rocky basalt. 1463 Comment
  CAS-BOT-BC179872  Lycopus asper Herbert Louis Mason 1947-8-11 13490 Modoc Hwy 81, W margin of Lower Lake, near boundary between Lasson and Modoc counties. Comment
  UCR67026  Lycopus lucidus George K. Helmkamp 1990-9-23 J- 10 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  SD64370  Lycopus lucidus D. F. Howe 1966-8-26 4304 Modoc 1.3 Mi N of Modoc-Lassen Copunty Line, east of Warner Mts. 1341 Comment
  RSA0016026  Lythrum tribracteatum L. Ahart, John Dittes 2010-8-30 17055 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
  CDA14599  Machaeranthera canescens var. shastensis G. D. Barbe 1991-8-27 4438 Modoc roadside Highway 395, 7.3 miles (11.8 km) northeast of Alturas, northeast of Chimny Rock. North Fork Pit River. 1402 Comment
  CAS-BOT-BC49475  Madia citriodora Bruce Bartholomew; Barrett Anderson 1988-6-23 4242 Modoc 4.2 km NW of Day. 1020 Comment
  HSC28864  Madia citriodora D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19482 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  RSA94362  Madia citriodora J. T. Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mts. 1585 Comment
  CHSC111109  Madia elegans subsp. densifolia Lowell Ahart; John Dittes 2012-7-12 18375 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-BC49438  Madia exigua John Thomas Howell 1934-7-1 12325 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  CAS-BOT-BC49402  Madia glomerata Francis Dorris Payne 1934-8-1 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC49421  Madia gracilis John Thomas Howell 1934-6-12 12025 Modoc Plum Valley above Davis Creek, Warner Mts. Comment
  RSA540063  Madia gracilis subsp. gracilis Bruce Bartholomew, B. 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
  RSA59540  Mahonia repens E. K. Balls 1950-5-20 14800 Modoc Above Mill Creek Falls Camp, toward Clear Lake. 1784 Comment
  UCD139122  Maianthemum stellatum Verne Grant; Irving Schneider 1947-7-22 8141 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. Comment
  CAS-BOT-BC49388  Malacothrix sonchoides Bruce Bartholomew 1991-5-24 5706 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  JEPS46280  Malva neglecta F. H. Frost 1925-7-13 81 Modoc 2 mi s of Cedarville (Cedarville roadside) Comment
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Mar 6 2013
  CAS-BOT-BC179869  Marrubium vulgare Annie Montague Alexander; L. Kellogg 1946-6-22 4812 Modoc Upper edge of Lake Annie. 1524 Comment
  HSC14236  Marrubium vulgare M. T. Milligan 1964-8-8 220 Modoc 3 miles W of Alturas on Modoc County Rd. 54A at Rifle Range. 1372 Comment
  POM312946  Marsilea vestita H. L. Mason, Verne Grant 1947-7-10 13350 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  POM229956  Marsilea vestita L. C. Wheeler 1935-8-18 3897 Modoc 2 miles northeast of Alturas 1357 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-BC247626  Melica bulbosa John H. Hatton 1911-6-9 5 Modoc unspecified Comment
  UC1024670  Melica bulbosa Leo Whitney 1934-5-5 2179 Modoc 15 mi w Canby (Happy Camp); Modoc National Forest, Happy Camp 1463 Comment
  UC190592  Melica stricta M. F. Gilman 514 Modoc Comment
  UC71806  Melilotus albus Mrs. M. H. Manning 1903-7 308 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC179863  Mentha arvensis Bruce Bartholomew 1989-8-11 5056 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  POM70715  Mentha canadensis Mrs. R. M. Austin 1895-08 s.n. Modoc Goose Lake Valley Comment
  RSA59520  Mentzelia albicaulis E. K. Balls 1950-5-21 14821 Modoc South Fork Public Camp, South Fork Pit River. 1479 Comment
  RSA101492  Mentzelia dispersa R. Weatherby 1955-7-8 1611 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  POM84012  Mentzelia dispersa R. M. Austin 1895-08 100 Modoc Goose Lake Valley Comment
  RSA0121879  Mentzelia dispersa C. L. Hitchcock 1940-5-27 6690 Modoc 15 miles northeast of Alturas. 1616 Comment
  UCSB11829  Mentzelia dispersa Haller, John 1961-6-25 Modoc Patterson Campground at Patterson Ranger Station, Eagleville-Likely road, about 3.5 mi. W of crest of Warner Mountains 2194 Comment
  RSA518559  Mentzelia laevicaulis George K. Helmkamp 1990-9-23 H- 6 Modoc US Hwy 395, 13 mi. N of Likely. 1341 Comment
  UC711841  Mentzelia laevicaulis var. laevicaulis Roxana S. Ferris and Laura Lorraine 1941-8-14 10608 Modoc on road between Fort Bidwell and Pine Creek (East slope of Fandangao Pass near base of pass.); Warner Mountains Comment
  CHSC26598  Menyanthes trifoliata L. Mayer 1974-1-1 Modoc Comment
  CAS-BOT-BC497323  Mertensia ciliata Annie M. Alexander; Louise Kellogg 1946-7-19 5028 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC498692  Mertensia ciliata E. K. Balls 1950-5-20 14791 Modoc South Fork Public Camp, South Fork Pit River (likely to Clear Lake) 1432 Comment
  CAS-BOT-BC54049  Mertensia longiflora Fred D. Douthitt 1916-4-20 4 Modoc Flournoy Swale. 1828 Comment
  NY1084556  Mertensia longiflora B. M. Bartholomew 1991-5-24 5738 Modoc Near north side of Big Mud Lake at the Nevada State boundary 1680 Comment
  CAS-BOT-BC54006  Mertensia oblongifolia var. amoena Bruce Bartholomew; Barrett Anderson 1989-6-1 4765 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  CAS-BOT-BC54020  Mertensia oblongifolia var. oblongifolia E. S. Willits 1940-5-6 224 Modoc Lassen Creek, Willow Ranch. Comment
  CAS-BOT-BC225952  Micranthes nidifica Annie Montague Alexander; L. Kellogg 1946-6-30 4879 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  CAS-BOT-BC225953  Micranthes nidifica Bruce Bartholomew; Barrett Anderson 1988-5-12 4121 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC429024  Micranthes nidifica Ira L. Wiggins; Dorothy B. Wiggins 1961-6-12 16423 Modoc Near summit of Cedar Pass, between Alturas & Cedarville 1935 Comment
  CAS-BOT-BC225966  Micranthes oregana Barrett Anderson 1986-7-10 3199 Modoc West Warner Rd at North Fork of Pine Creek, Warner Mts. 1935 Comment
  CAS-BOT-BC49391  Microseris laciniata subsp. laciniata Alice Eastwood; John Thomas Howell 1940-6-13 8127 Modoc Near Davis Creek. Comment
  POM260864  Microseris laciniata subsp. laciniata Alice Eastwood, John Thomas Howell 1940-6-13 8127 Modoc Near Davis Creek. Comment
  CAS-BOT-BC49359  Microseris nutans Bruce Bartholomew 1989-7-15 5011 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC49363  Microseris nutans John Thomas Howell 1934-6-13 12057 Modoc Fandango Pass. 1828 Comment
  RSA0049627  Microseris nutans Dean Wm. Taylor 2012-6-5 21216 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  HSC6028  Microseris nutans M. T. Milligan 1965-6-27 364 Modoc 1677 Comment
  POM299284  Microsteris gracilis subsp. gracilis Frances D. Payne 1931-6-25 269 Modoc Pine Creek Basin 2317 Comment
  UC27096  Mimulus breviflorus Mrs. R. M. Austin June, 1894 Modoc Willow Creek Comment
  UC1778581 Image available Mimulus cusickii S. E. Schoenig 1998-7-4 98 -67 Modoc Gravely slide on N side of Granger Cyn. Rd., 1.5 mi W of Surprise Valley Rd. This intersection being 3.7 miles S of Hwy 299 at Cederville. 1493 Comment
  JEPS127294  Mimulus evanescens Lowell Ahart, John Dittes 2016-7-14 21183 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
  HSC20733  Mimulus guttatus M. T. Milligan 1964-6-25 90 Modoc Upper Lassen Creek 1829 Comment
  POM43718  Mimulus guttatus R. M. Austin 518 Modoc Willow Creek. Comment
  RSA550585  Mimulus layneae Bruce Bartholomew, B. Anderson 1988-6-23 4279 Modoc 4 km W of Day on County road 94. 1340 Comment
  JEPS10992  Mimulus lewisii L. S. Smith 1917-7-29 884 Modoc Mill Creek warner Mts. 1981 Comment
  JEPS28993  Mimulus microphyllus Frances D. Payne 1931-6-12 154 Modoc w slope Warner Mountains; Parker Creek watershed 1584 Comment
  HSC20816  Mimulus nanus var. nanus M. T. Milligan 1967-7-8 666 Modoc W slope of Eagle Peak 2378 Comment
  JEPS4011  Mimulus nanus var. nanus Frances D. Payne 1932-6-8 419 Modoc 6 mi e Alturas (on road to Parker Creek); Warner Mountains Comment
  JEPS27799  Mimulus primuloides subsp. primuloides Frances D. Payne 1931-6-30 248 Modoc sw Warren Peak; Warner Mountains, Pine Creek Basin 2316 Comment
  UC1037256  Mimulus pulsiferae Leo Whitney 1935-6-9 3203 Modoc White Horse Comment
  UCD77260  Mimulus pygmaeus Robert E. Preston 2000-5-31 1353 Modoc Modoc Plateau, along Hwy 139, ca. 1 mi w of Forest Service Road 44N11. 1463 Comment
  UC1553374  Minuartia nuttallii subsp. gregaria Sch/Yor/Hor/Ach 1988-7-16 1835 Modoc along trail sw Squaw Peak; Warner Mtns. 2438 Comment
  NY446178  Minuartia nuttallii var. gregaria L. C. Wheeler 1935-8-5 3786 Modoc Yellow Mountain, Warner Mountains 2438.4 Comment
  CAS-BOT-BC225802  Mitella pentandra Elmer Ivan Applegate 1932-7-7 8240 Modoc Lily Lake, Bidwell Pass, Warner Mts. Comment
  CAS-BOT-BC225809  Mitella pentandra Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16489 Modoc 6.4 mi. S of LKassen Creek campground, on road to Buck Mountain, Warner Mts. Comment
  UC7697  Mollugo verticillata W. H. Brewer 1862-8 1338 Modoc Eagle Creek Canyon Comment
  LA54284  Monardella odoratissima F. H. Frost; 1925-7-20 86 Modoc Warner Mountains, Cedas Camp Comment
  CAS-BOT-BC179367  Monardella odoratissima subsp. glauca Elmer Ivan Applegate 1932-8-6 8217 Modoc Near Summit of Yellow Mountain, near Lily Lake, Bidwell Pass. Comment
  CAS-BOT-BC179370  Monardella odoratissima subsp. glauca Annie Montague Alexander; L. Kellogg 1946-7-23 5060 Modoc E slope of Emerson Peak. Comment
  CAS-BOT-BC179855  Monardella odoratissima subsp. glauca Barrett Anderson 1986-7-9 3157 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  CAS-BOT-BC179856  Monardella odoratissima subsp. glauca Bruce Bartholomew 1990-8-4 5638 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  UC634864  Monardella odoratissima subsp. glauca F. H. Frost 1925-7-20 86 Modoc Cedar Camp Warner Mts. Comment
  CHSC67816  Monardella odoratissima subsp. odoratissima James D. Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument, summit and upper W-facing slope of Caldwell Minor near E edge of monument boundary. 1402 Comment
  CAS-BOT-BC179360  Monardella odoratissima subsp. pallida Bruce Bartholomew 1991-8-6 6079 Modoc Emerson Trail at junction with S Emerson trail, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC179361  Monardella odoratissima subsp. pallida Elmer Ivan Applegate 1932-8-1 7997 Modoc N of Mill Creek Meadows. Comment
  CAS-BOT-BC179364  Monardella odoratissima subsp. pallida Bruce Bartholomew; Barrett Anderson 1988-7-21 4419 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC197479  Montia chamissoi Bruce Bartholomew 1995-6-23 7004 Modoc Long Meadow, W of Goose Lake. 1640 Comment
  CAS-BOT-BC197520  Montia chamissoi E. S. Willits 1940-5-17 265 Modoc Willow Ranch. Comment
  CAS-BOT-BC197521  Montia chamissoi Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi. W of Adin Summit, U.S. Hy. 299, E of Bieber. Comment
  UC412639  Montia chamissoi Franklin P. Nutting Modoc near Egg Lake Comment
  RSA520346  Montia fontana Bruce Bartholomew, B. Anderson 1989-6-2 4845 Modoc Vicinity of Stough Reservoir, Warner Mtns. 1950 Comment
  RSA65656  Montia fontana F. W. Peirson 1926-6-25 6889 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  UC71836  Montia fontana Mrs. M. H. Manning May, 1903 116 Modoc Spring near Fort Bidwell (in north-eastern Modoc County) Comment
  HSC75891  Montia linearis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19435 Modoc Near Hager Reservoir 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
  UCR136426  Muhlenbergia asperifolia Beecher Crampton 1954-7-9 2187 Modoc Modoc Plateau, 1.5 miles west of Alturas, extension of 4th Street 1311 Comment
  UC1101592  Muhlenbergia richardsonis Herbert L. Mason 1947-8-8 13467 Modoc sw margin of reservoir nw Alturas; Big Sage Reservoir Comment
  CAS-BOT-BC217294  Myosurus minimus Bruce Bartholomew 1993-6-14 6675 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  CAS-BOT-BC217297  Myosurus minimus Bruce Bartholomew; Barrett Anderson 1989-4-28 4654 Modoc 11 km N of State Highway 299 and ca. 1 km S of Raker & Thomas Reservoir. 1500 Comment
  CAS-BOT-BC180056  Myriophyllum hippuroides Bruce Bartholomew 1995-7-30 7073 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  CAS-BOT-BC180055  Myriophyllum sibiricum Bruce Bartholomew 1994-5-29 6726 Modoc 15 km N of State Hwy 299 on State Hwy 139. 1450 Comment
  RSA27960  Myriophyllum sibiricum C. L. Hitchcock 1940-5-28 6722 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  HSC6876  Nasturtium officinale M. T. Milligan 1966-7-1 521 Modoc N end of Jess Valley. 1616 Comment
  UC526151  Navarretia breweri John Thomas Howell 1934-6-12 11988 Modoc 9 mi s Davis Creek Comment
  UC908397  Navarretia breweri Louis C. Wheeler 1935-8-16 3869 Modoc Dismal Swamp Warner Mts., Twenty-mile Creek 2225 Comment
  UC1058213  Navarretia breweri C. McMillan 1949-6-16 1537 Modoc 3 mi s Crowder Flat (35 mi n of Canby) Comment
  UC23424  Navarretia capillaris M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley near Lookout; Big Valley near Lookout Comment
  CHSC117237  Navarretia intertexta subsp. intertexta Lowell Ahart; John Dittes 2016-7-16 4179 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS124354  Navarretia intertexta subsp. intertexta Lowell Ahart, John Dittes 2015-7-16 20380 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC197982  Navarretia intertexta subsp. propinqua Bruce Bartholomew 1991-7-5 5938 Modoc Dry wash draining into North Willow Creek, between Crowder Flat and the Oregon border. 1620 Comment
  CAS-BOT-BC197983  Navarretia intertexta subsp. propinqua Frank Warrington Peirson 1926-6-25 6868 Modoc Cedarville Pass, Warner Mts. Comment
  UC1106905  Navarretia intertexta subsp. propinqua Herbert L. Mason 1947-7-10 13331 Modoc 2 air mi e Alturas; Dorris Reservoir Comment
  UC1106906  Navarretia intertexta subsp. propinqua Herbert L. Mason 1946-7-13 13449 Modoc w end Fandango Pass (near Goose Lake, on road to Fort Bidwell) Comment
  UC748264  Navarretia intertexta subsp. propinqua Annie M. Alexander and Louise Kellogg 1946-7-7 4932 Modoc Eight Mile Creek, ne corner of Modoc County Eight Mile Creek 1752 Comment
  UC1058211  Navarretia intertexta subsp. propinqua C. McMillan 1949-6-16 1532 Modoc s of Crowder Flat (n central Modoc County) Comment
  UC1191628  Navarretia leucocephala subsp. minima Herbert L. Mason 1947-8-8 13456 Modoc nw of Alturas (n of Big Sage Reservoir); Ingalls Swamp Comment
  POM260725  Navarretia sinistra Alice Eastwood, J. T. Howell 1940-6-14 8216 Modoc 8 miles NW of Canby Comment
  UC1587040  Navarretia sinistra G. Schoolcraft 1991-7-25 2189 Modoc about 2 mi w Canby; w of Canby 1463 Comment
  RSA148666  Navarretia sinistra Clare B. Hardham 1961-6-21 7900 Modoc Warner Mountains: Lakeview-Plush Road. 1829 Comment
  UC660059  Nemophila breviflora Alan A. Beetle 1941-6-29 2829 Modoc near summit Cedarville Pass; near summit of Cedarville Pass 2118 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-BC179288  Nemophila pedunculata Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6428 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CAS-BOT-BC179290  Nemophila pedunculata Roxana Stinchfield Ferris; R. Duthie 1919-6-13 40 Modoc By Parker Creek. Comment
  CAS-BOT-BC179291  Nemophila pedunculata Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6494 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  POM260321  Nemophila pedunculata C. L. Hitchcock 1940-5-27 6684 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC682090  Nestotus stenophyllus G. L. Stebbins Jr. 1942-5-30 3247 Modoc 8.6 miles northwest of Canby, on road to Tule Lake 1584 Comment
  NY962860  Nicotiana attenuata B. M. Bartholomew 1990-7-21 5550 Modoc West edge of Middle Alkali Lake, directly east of Cedarville, Surprise Valley 1370 Comment
  CAS-BOT-BC245370  Nicotiana attenuata Francis Dorris Payne 1932-6-19 554 Modoc Jess Valley Rd. Comment
  CAS-BOT-BC49366  Nothocalais troximoides Bruce Bartholomew 1993-6-14 6656 Modoc 5.5 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1440 Comment
  CAS-BOT-BC49367  Nothocalais troximoides Bruce Bartholomew 1991-5-25 5768 Modoc 4.3 km S of Likely-Jess Valley Rd. on road to West Valley Reservoir. 1540 Comment
  CHSC101018  Nothocalais troximoides John Dittes 2008-5-21 1520 Modoc Modoc Plateau; Big Valley; ca. 1.7 air miles south of Lookout, ca. 1.1 air miles west of County Road 91; floodplain terrace of Pit River. 1259 Comment
  CHSC118080  Nothocalais troximoides L. P. Janeway 2016-5-17 12011 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  CAS-BOT-BC190810  Oenothera deltoides subsp. piperi Bruce Bartholomew 1990-6-17 5314 Modoc Surprise Valley, 6.8 km W of Eagleville. 1390 Comment
  CAS-BOT-BC190809  Oenothera elata subsp. hirsutissima Belknap C. Goldsmith 1912-8-5 69 Modoc W side of Goose Lake. 1463 Comment
  CHSC107332  Oenothera flava Lowell Ahart; John Dittes 2011-6-21 17515 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC190802  Oenothera flava subsp. flava K. Paulson; Robert Paulson 1989-6-21 142 Modoc Vicinity of S Fork of Pine Creek, W side of the Warner Mts. 1883 Comment
  UC726198  Oenothera flava subsp. flava A. A. Heller 1941-6-26 16210 Modoc along US Hwy 299 five mi w Alturas Comment
  UCR143283  Oenothera tanacetifolia George Willet 1935-6-13 s.n. Modoc 4 mi east of Likely 1524 Comment
  RSA520435  Olsynium douglasii Bruce Bartholomew, M. Bourell 1990-4-28 5197 Modoc 4.5 km southeast of Davis Creek on road to Plum Valley camp ground 1730 Comment
  UCD134664  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc south side of 4th Street, east of East Street, Alturas. Comment
  CDA7563  Onopordum acanthium T. C. Fuller 1960-7-27 4992 Modoc Southeast of 4th & East Streets, Alturas. 0 Comment
  UCD134667  Onopordum acanthium T. C. Fuller 1959-7-8 B Modoc south side of 4th Street, east of East Street, Alturas. Comment
  CAS-BOT-BC49374  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1959-7-8 2795 Modoc Alturas. Comment
  JEPS114491  Onopordum acanthium subsp. acanthium Lowell Ahart, John Dittes 2008-8-25 15275 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  JEPS121207  Onopordum acanthium subsp. acanthium Lowell Ahart, John Dittes 2013-7-24 18945 Modoc South high bank of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  UCD88279  Orcuttia tenuis R. Preston 2000-7-17 1392 Modoc ca. 9.5 miles NW of Canby, on N side of Highway 139, 3.2 miles E of Forest Service Road 44N11. 300 feet E of outfall of large seasonal lake. 1487 Comment
  UC190625  Oreostemma alpigenum var. andersonii M. F. Gilman 655 Modoc 1676 Comment
  CAS-BOT-BC190795  Orobanche corymbosa Bruce Bartholomew 1993-6-13 6611 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  CAS-BOT-BC190796  Orobanche corymbosa Bruce Bartholomew 1991-6-22 5850 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  CAS-BOT-BC95702  Orthilia secunda Leland S. Smith 1917-9-18 161 Modoc Lassen Creek. 2133 Comment
  JEPS58800  Orthilia secunda L. S. Smith 1917-9-18 161 Modoc Lassen Creek, Warner Mts. 1981 Comment
  CAS-BOT-BC232179  Orthocarpus cuspidatus subsp. copelandii Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2137 Modoc Cedar Pass, Warner Mountains Comment
  RSA80247  Orthocarpus cuspidatus subsp. copelandii F. W. Peirson 1926-6-25 6871 Modoc Summit of grade, Cedarville Pass, Warner Mountains. 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
  RSA531359  Orthocarpus hispidus Bruce Bartholomew, B. Anderson 1989-6-1 4762 Modoc S end of Goose Lake. 1460 Comment
  RSA531360  Orthocarpus lacerus Bruce Bartholomew, B. Anderson 1989-6-1 4725 Modoc Shake Spring. NW side of Shaffer Mtn. 1500 Comment
  HSC80792  Osmorhiza berteroi G. M. Riegel 1979-9-1 741 Modoc S Warner Mtns. 1670 Comment
  NY1101674  Osmorhiza chilensis L. Constance 1946-7-4 3103 Modoc Deep Creek 3.4 miles below summit, Warner Mountains 1829 Comment
  CAS-BOT-BC15746  Osmorhiza occidentalis Barrett Anderson 1986-7-9 3152 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  NY1101846  Osmorhiza occidentalis B. M. Bartholomew 1990-7-20 5488 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains 2130 Comment
  UC1087226  Osmorhiza occidentalis Peter H. Raven and Otto T. Solbrig 1958-6-18 13315 Modoc Happy Camp Guard Station Comment
  CAS-BOT-BC50346  Packera cana Alice Eastwood; John Thomas Howell 1940-6-12 8089 Modoc Jess Valley. Comment
  JEPS5948  Packera eurycephala Frances D. Payne 1931-6-8 186 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC50314  Packera eurycephala var. eurycephala Alice Eastwood; John Thomas Howell 1940-6-12 8050 Modoc Between Likely and Jess Valley. Comment
  UC335834  Packera multilobata unknown May 1879 Modoc Surprise Valley Comment
  UC91475  Packera pseudaurea subsp. pseudaurea Mrs. R. M. Austin Aug 1894 307 Modoc banks of Davis Creek; banks of Davis Creek Comment
  CAS-BOT-BC190778  Paeonia brownii E. S. Willits 1940-5-4 211 Modoc Willow Ranch. Comment
  SEINET195691 Image available Paeonia brownii Annie M. Alexander, Louise Kellogg 1946-6-15 4778 Modoc Deep Creek 2160 Comment
  UC635427  Paeonia brownii F. H. Frost 1925-7-25 177 Modoc Eagle Peak Warner Mts. Comment
  POM229219  Panicum capillare L. C. Wheeler 1935-9-13 3984 Modoc Devil's Garden; Fletcher Creek at Pease Place 1524 Comment
  UCD86160  Pascopyrum smithii Beecher Crampton; Carl Rimbey 1954-7-7 2123 Modoc Modoc County, Alturas, vacant lot adjacent to Lederer Building. Comment
  JEPS9615  Paxistima myrsinites L. S. Smith 1922-5-28 1246 Modoc below ridge Happy Camp Mt.; Modoc Forest, Happy Camp Mt. 1676 Comment
  SJSU8395  Pectiantia pentandra H. L. Buckalew 1961-7-5 Modoc Soldier Cr on flank of Bald Mt, Warner Mts Comment
  CAS-BOT-BC232315  Pedicularis attollens K. Paulson; Robert Paulson 1989-7-4 168 Modoc Ca. 1 mi. S of Patterson Ranger Station, S end of Warner Mts. 2127 Comment
  JEPS11491  Penstemon cinicola L. S. Smith 1918-6-22 947 Modoc n end Warner Mts. Modoc National Forest, n end Warner Mts. (High Grade District) 2286 Comment
  UC190596  Penstemon deustus var. deustus M. F. Gilman 503 Modoc 1676 Comment
  JEPS11267  Penstemon gracilentus W. L. Jepson 1918-8-7 7872 Modoc Mt. Bidwell 2377 Comment
  UC201715  Penstemon gracilentus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains, N. Fork Parker Cr. 2286 Comment
  HSC12276  Penstemon gracilentus R. W. Spjut 1970-7-22 889 Modoc N Warner Mtns., 10 mi. from Lake City, road to Plum Valley Campground 2195 Comment
  JEPS11462  Penstemon heterodoxus var. shastensis Franklin P. Nutting 1894-6-8 Modoc near Egg Lake (Northern California); wet adobe flats near Egg Lake Comment
  CAS-BOT-BC245519  Penstemon janishiae M. J. Williams; T. Holmcomb; B. Holcomb; L. Saxton 1988-5-28 88- 24 -2 Modoc Grade up to Crowder Flat from Hwy 229, W of Alturas. Top of steep bank by road. 1478 Comment
  CAS-BOT-BC245512  Penstemon laetus var. sagittatus Bruce Bartholomew 1993-6-14 6651 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  NY604572  Penstemon laetus var. sagittatus B. M. Bartholomew 1995-6-24 7018 Modoc 4.2 km east of County Road 114 on County Road 108. 1360 Comment
  HSC30117  Penstemon procerus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19430 Modoc Near Hager Reservoir Comment
  NY650109  Penstemon roezlii B. Anderson 1986-7-10 3203 Modoc Warner Mountains. West Warner Road just south of the North Fork of Fitzhugh Creek. 1980 Comment
  NY650096  Penstemon roezlii M. J. Williams 1984-6-28 8468- 1 Modoc Warner Mountains, Stowe Reservoir area, west of Soldier Creek Road 2103.1 Comment
  POM44789  Penstemon roezlii R. M. Austin 1895-07 579 Modoc Goose Lake Valley. Comment
  SBBG27140  Penstemon roezlii C. L. Hitchcock 1940-5-28 6719 Modoc 15 mi N of Alturas (near Surprise) 1402 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
  UC27496  Penstemon roezlii Mrs. R. M. Austin Aug. 1894 Modoc hills e Davis Creek (northern California); Hills e of Davis Creek Comment
  UC27500  Penstemon roezlii Mrs. R. M. Austin and Bruce July 1898 2361 Modoc Foothills Comment
  CAS-BOT-BC245500  Penstemon rydbergii var. oreocharis K. Paulson; Robert Paulson 1989-7-4 171 Modoc Ca. 1 mi. S of Patterson Ranger Station, S end of Warner Mts. 2121 Comment
  CAS-BOT-BC245507  Penstemon rydbergii var. oreocharis Bruce Bartholomew; Barrett Anderson 1989-6-3 4871 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  HSC20991  Penstemon rydbergii var. oreocharis M. T. Milligan 1966-7-3 529 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  NY650947  Penstemon rydbergii var. oreocharis B. M. Bartholomew 1995-8-1 7148 Modoc Headwater of Schadler Ditch just northeast of Bidwell Mountain, east side of the Warner Mountains. 2110 Comment
  UC615048  Penstemon rydbergii var. oreocharis Beryl O. Schreiber 1934-6-10 1170 Modoc Lost Lake , Lost Lake (Warner Mountains) Comment
  CAS-BOT-BC248310  Penstemon speciosus B. Bartholomew; H. Sun 2002-6-24 8851 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  RSA271899  Penstemon speciosus Christopher Davidson 1975-6-4 2613 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  SEINET12326116  Penstemon speciosus A. Seneres, Harold, N. 1983-1 102 Modoc 1.5 mi S of north fork of Deep Creek at intersection of road, Modoc Nat. Forest 2111 Comment
  CAS-BOT-BC214725  Peraphyllum ramosissimum Bruce Bartholomew; Barrett Anderson 1988-5-13 4140 Modoc N side of Dorris Reservoir, ca. 4 km E of Alturas along Parker Creek Road. 1340 Comment
  CAS-BOT-BC214726  Peraphyllum ramosissimum K. Paulson; Robert Paulson 1989-5-8 114 Modoc 6 mi. W of Alturas on Hwy 299. 1341 Comment
  RSA77089  Peraphyllum ramosissimum F. W. Peirson 1926-6-26 6905 Modoc Hill slope in broken country, between Alturas and Canby. Comment
  UC1368490  Perideridia bolanderi subsp. bolanderi R. K. Gierisch and D. H. Esplin 1969-7-15 3542 Modoc Modoc National Forest 1524 Comment
  CAS-BOT-BC15714  Perideridia oregana John Thomas Howell 1934-6-30 12287 Modoc Duncan Horse Camp. 1355 Comment
  POM82404  Perideridia oregana Mrs. R. M. Austin 1895-07 113 Modoc Goose Lake Valley. Comment
  UC748469  Perideridia oregana Annie M. Alexander and Louise Kellogg 1946-7-10 4951 Modoc n Lake Annie Comment
  CAS-BOT-BC95160  Peritoma serrulata C. C. (Mrs.) Bruce 1897-8-7 1732 Modoc Willow Ranch 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-BC218157  Persicaria maculosa L. A. M. Black 1894-9-1 62 Modoc Davis Creek. Comment
  HSC17557  Persicaria punctata M. T. Milligan 1964-8-21 231 Modoc S end of Dorris Reservoir Dam 1372 Comment
  CAS-BOT-BC248338  Phacelia hastata subsp. hastata B. Bartholomew; H. Sun 2002-6-24 8812 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  CAS-BOT-BC180008  Phacelia heterophylla subsp. virgata Bruce Bartholomew; Barrett Anderson 1989-6-3 4900 Modoc ca. 8 km WNW of Long Bell Ranger Station. 1350 Comment
  CAS-BOT-BC180020  Phacelia heterophylla subsp. virgata Bruce Bartholomew 1992-5-14 6275 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  CAS-BOT-BC180021  Phacelia heterophylla subsp. virgata John Thomas Howell 1934-6-13 12061 Modoc Fandango Pass. 1828 Comment
  HSC30188  Phacelia heterophylla subsp. virgata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19468 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC24414  Phacelia heterophylla subsp. virgata Milo S. Baker 1893-6-25 Modoc Egg Lake 1371 Comment
  UC24490  Phacelia heterophylla subsp. virgata M. S. Baker and Frank Nutting 1894-6-8 Modoc Little Hot Spring Valley Comment
  JEPS4037  Phacelia heterophylla subsp. virgata Frances D. Payne 1931-7-5 324 Modoc about 3 mi n Parker Creek (s and e of Alturas); Warner Mountains, Fern Spring 1828 Comment
  RSA165589  Phacelia heterophylla subsp. virgata Clare B. Hardham 1921-6-19 7851 Modoc Davis Creek. Comment
  UC1051772  Phacelia heterophylla subsp. virgata L. R. Heckard 1952-6-19 311 Modoc slopes above Cedarville Pass (ne of Alturas on road to Cedarville); Warner Mountains 2011 Comment
  CHSC31501  Phacelia humilis NEH Prouty 1980-7-1 195 Modoc Modoc Natl. Forest, Warner Mt. District. Opening south of Soup Spring's Campground in forest of Pinus ponderosa and Abies concolor. 2072 Comment
  CAS-BOT-BC179992  Phacelia humilis var. humilis Bruce Bartholomew; Barrett Anderson 1988-7-22 4478 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC179993  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1989-6-28 152 Modoc Vicinity of Granger Creek, E side of the Warner Mts. 1905 Comment
  CAS-BOT-BC179999  Phacelia humilis var. humilis Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass Summit. Comment
  CAS-BOT-BC179958  Phacelia linearis L. A. M. Black 1894-7-1 98 Modoc Davis Creek. Comment
  HSC30191  Phacelia linearis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19376 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  SEINET3158188  Phacelia linearis M. S. Baker 1899-1 sn Modoc Forestdale Comment
  UC526140  Phacelia linearis John Thomas Howell 1934-6-13 12081 Modoc Fandango Pass Warner Mts. 1828 Comment
  JEPS4040  Phacelia linearis Frances D. Payne 1929-6-22 17 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  POM73495  Phacelia linearis Mrs. R. M. Austin 1895-06 551 Modoc Goose Lake Valley. Comment
  RSA428039  Phacelia linearis Christopher Davidson 1973-5-24 2109 b Modoc South of Alturas along Highway 395 near Likely. 1311 Comment
  RSA428041  Phacelia linearis George Willet 1935-6-12 s.n. Modoc Warren Mountains 2287 Comment
  RSA518817  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  UC24394  Phacelia linearis Milo S. Baker 1893-7-5 Modoc Lava beds Comment
  UC881174  Phacelia linearis Lewis S. Rose 1940-6-14 40584 Modoc 5 mi w Perez; Mammaoth Cave 1280 Comment
  SBBG22443  Phacelia mutabilis H. and M. Dearing 1939-6-8 3598 Modoc Pine Cyn, Warner Mtns Comment
  UC735084  Phacelia mutabilis Lincoln Constance 1946-7-4 3105 Modoc 3.4 mi below summit; Warner Mountains, Deep Creek 1828 Comment
  UC1553377  Phacelia sericea var. ciliosa Sch/Yor/Hor/Ach 1988-7-16 1838 Modoc Squaw Peak Warner Mts. (upper slopes) 2621 Comment
  UC748117  Phacelia sericea var. ciliosa Annie M. Alexander and Louise Kellogg 1946-8-9 5129 Modoc Patterson Lake Trail Warner Mountains Comment
  NY1056749  Phacelia tetramera E. Palmer 1995-6-2 6936 Modoc 6.4 km east of Eagleville, south end of Surprise Valley 1380 Comment
  JEPS101028  Phacelia thermalis Dean W. Taylor 1988-8-11 10041 Modoc near Lone Pine Lake 1383 Comment
  RSA152190  Phacelia thermalis Lincoln Constance, Elwood Molseed, John Weiler 1960-6-13 3678 Modoc Nine miles north of Litchfield. 1220 Comment
  RSA502344  Phacelia thermalis D. W. Taylor, R. A. Price 1988-6-4 9761 Modoc Tule Lake Basin; Dobie Flat, ca. 2.6 miles south 10 degrees east of Casuse Mountain. 1280 Comment
  UCD89607  Phleum alpinum L. D. Whitney 1935-7-15 3464 Modoc stream near Bulls-eye Lake. Comment
  UC70660  Phleum pratense Mrs. M. H. Manning 1904-7-7 418 Modoc north-eastern Modoc County Comment
  CHSC75517  Phlox caespitosa V. H. Oswald; B. Corbin, A Sanger, G. Schoolcraft 1999-6-12 9765 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  CAS-BOT-BC197943  Phlox diffusa Annie Montague Alexander; L. Kellogg 1946-6-5 4669 Modoc Emerson Creek, S of Eagleville. 1889 Comment
  CAS-BOT-BC197949  Phlox diffusa Alice Eastwood; John Thomas Howell 1940-6-13 8149 Modoc Fandango Pass. Comment
  CAS-BOT-BC197950  Phlox diffusa C. C. (Mrs.) Bruce 1898-7-1 2331 Modoc Head Davis Creek. Comment
  CAS-BOT-BC197957  Phlox diffusa Bruce Bartholomew 1991-5-25 5743 Modoc McGinty Point, SW side of Goose Lake. 1470 Comment
  HSC17157  Phlox diffusa M. T. Milligan 1965-7-10 437 Modoc W slope of Eagle Peak. 2439 Comment
  UC106954  Phlox diffusa Mrs. R. M. Austin 1886-1 Modoc hills e Goose Lake Goose Lake Comment
  UCSB17308  Phlox diffusa J. Haller 1961-6-25 1865 Modoc CA 3 MI S OF PATTERSON RANGER STATION (EAGLEVILLE-LIKELY RD; CA 0.5 MI W OF CREST OF WARNER MOUNTAINS) 2285 Comment
  RSA150275  Phlox diffusa subsp. diffusa A. J. Cronquist, Arthur H. Holmgren 1959-6-20 8524 Modoc Warner Mountains: at Cedarville Pass, between Cedarville and Alturas. 1951 Comment
  CAS-BOT-BC197925  Phlox douglasii subsp. rigida Roxana Stinchfield Ferris; R. Duthie 1919-6-14 66 Modoc Above Parker Creek, Modoc National Forest boundary. Comment
  CAS-BOT-BC197926  Phlox douglasii subsp. rigida Roxana Stinchfield Ferris; R. Duthie 1919-6-14 117 Modoc Near Parker Creek. 1981 Comment
  CAS-BOT-BC197942  Phlox douglasii subsp. rigida M. M. Hanna 1956-6-3 939 Modoc Highway between Alturas and Cedarville. Comment
  UC106841  Phlox gracilis Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  UC1075747  Phlox gracilis Robert J. Weatherby 1955-7-8 1615 Modoc 7 mi n Ft. Bidwell (n Warner Mts.); Warner Mts. 1874 Comment
  CHSC112114  Phlox hoodii subsp. canescens L. P. Janeway; B. Castro 2014-6-2 11289 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  CHSC116361  Phlox hoodii subsp. canescens J. R. Keck Jr.; Wright 1991-5-30 PDR 725210 Modoc Tionesta; Modoc National Forest. 1311 Comment
  RSA647581  Phlox hoodii subsp. canescens Marion P. Harthill 1972-6-17 850 Modoc Cedar Pass 1921 Comment
  UC73608  Phlox speciosa subsp. occidentalis Milo S. Baker 1891-1 Modoc Big Valley Comment
  RSA59968  Phlox stansburyi E. K. Balls 1950-5-13 14686 Modoc 14 miles south of Oregon - California state line, along the west shore road, Goose Lake 1494 Comment
  JEPS77518  Phoenicaulis cheiranthoides L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4885 Modoc Cedar Pass; Warner Mountains, Cedar Pass 1920 Comment
  NY182049  Phoenicaulis cheiranthoides B. M. Bartholomew 1988-5-13 4152 Modoc Along Parker Creek Road, .5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mountains. 1650 Comment
  UC71679  Phoenicaulis cheiranthoides Mrs. M. H. Manning 1903-4-12 63 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  UCD116138  Phoenicaulis cheiranthoides Alan A. Beetle 1941-6-29 2831 Modoc Near summit of Cedarville Pass. 2118 Comment
  UC1078880  Phoradendron juniperinum R. Alava 1957-7-5 1398 Modoc Warner Mts., Cedar Pass, Campgrounds Comment
  CHSC112775  Pilularia americana Lowell Ahart; John Dittes 2013-7-24 18924 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CAS-BOT-BC30199  Pinus albicaulis Bruce Bartholomew 1990-8-5 5684 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  HSC80919  Pinus albicaulis G. M. Riegel 1978-7-4 480 Modoc S Warner Mtns. 1829 Comment
  UCR34664  Pinus albicaulis J. A. Harpel 1981-8-6 V 46 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC73238  Pinus contorta subsp. murrayana Mrs. R. M. Austin 1895-8-1 261 Modoc Goose Lake, Tamaracks Comment
  POM203789  Pinus contorta var. murrayana J. T. Howell 1934-6-14 12108 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC73020  Pinus monticola Elmer I. Applegate 1932-8-5 8219 Modoc Dry, rocky crest of Yellow Moutain near Lily Lake, Bidwell Pass, Warner Mountains. 2438 Comment
  RSA0116402  Pinus murrayana Bruce Bartholomew, B. Anderson 1988-7-22 4520 Modoc S end of Bearcamp Flat, Southern end of Warner Mountains. (Emerson Peak Quad) 2230 Comment
  SEINET12616116  Pinus ponderosa var. ponderosa David A. Charlet 1994-7-7 1933 Modoc Warner Mountains near Surprise Valley floor at Lake City turnoff. 1433 Comment
  JEPS119660  Plagiobothrys cusickii Lowell Ahart, John Dittes 2012-7-11 18332 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC58789  Plagiobothrys hispidus John Thomas Howell 1934-6-13 12067 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC58793  Plagiobothrys leptocladus Alice Eastwood; John Thomas Howell 1940-6-13 8165 Modoc Surprise Valley, 6 mi. S of Fort Bidwell. Comment
  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
  RSA610636  Plagiobothrys leptocladus L. C. Wheeler 1935-8-25 3917 Modoc Rim Rock Valley Reservoir, Devil s Garden 1524 Comment
  POM312624  Plagiobothrys mollis H. L. Mason 1947-8-9 13475 Modoc East side of Fairchild Swamp, north of Alturas Comment
  UCD120859  Plagiobothrys mollis Herbert L. Mason; Verne Grant 1947-7-12 13395 Modoc By Jones' Lane, off Highway 395, several miles south of Alturas. Comment
  CAS-BOT-BC58797  Plagiobothrys mollis var. mollis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16523 Modoc Near Cloverswale Creek, 4.8 mi. NE of Canby. Comment
  CAS-BOT-BC58796  Plagiobothrys mollis var. mollis Herbert Louis Mason; Verne Grant 1947-7-12 13407 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  GMDRC5825  Plagiobothrys salsus R. B. Kelley 2005-6-26 883 Modoc along SR 299 Comment
  CAS-BOT-BC58744  Plagiobothrys scouleri John Thomas Howell 1934-6-15 12186 Modoc Alturas. Comment
  CAS-BOT-BC58758  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13415 Modoc Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC58761  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-12 8082 Modoc Jess Valley. Comment
  POM312570  Plagiobothrys scouleri var. cusickii H. L. Mason, Verne Grant 1947-7-12 13415 Modoc Near south end of West Side Rd. along railroad tracks, Pit River Valley, south of Alturas Comment
  POM312572  Plagiobothrys scouleri var. cusickii H. L. Mason, Verne Grant 1947-7-12 13421 Modoc Near south end of West Side Rd. along railroad tracks, Pit River Valley, south of Alturas Comment
  CHSC67090  Plagiobothrys tenellus James D. Jokerst 1987-5-12 2853 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  HSC3778  Plagiobothrys tener M. T. Milligan 1964-7-1 113 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  HSC16609  Platanthera dilatata var. leucostachys M. T. Milligan 1965-6-26 327 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC242215  Platanthera dilatata var. leucostachys Bruce Bartholomew; Barrett Anderson 1988-7-21 4445 Modoc Field redacted by CAS, contact the data manager for more information 1580 Comment
  HSC77910  Platanthera dilatata var. leucostachys O. Ballantyne 1983-7-18 Modoc S Warner Mtns., tributary of N Fork of East Creek 1585 Comment
  UC71857  Platanthera leucostachys Mrs. M. H. Manning 1903-8-9 316 Modoc near Fort Bidwell (ne Modoc County) Comment
  SEINET5102917  Platanthera stricta Unknown Modoc Comment
  CAS-BOT-BC245401  Plectritis macrocera F. Angwin 1946-5-3 s.n. Modoc Big Valley, 2 miles NW of Adin. 1280 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-BC245407  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-4-27 4627 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 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
  UC912461  Plectritis macrocera F. H. Frost 1925-5-24 3 Modoc Steamboat Canyon Comment
  HSC21683  Plectritis macrocera M. T. Milligan 1964-6-20 52 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  UC1018936  Plectritis macrocera Lois Hoit 1938-1 Modoc Cedar Mountain Comment
  UC711850  Pleiacanthus spinosus Roxana S. Ferris and Laura Lorraine 1941-8-14 10617 Modoc on road between Fort Bidwell and Pine Creek (Summit of Fandango Pass); Modoc National Forest, Warner Mountains, Summit of Fandango 1889 Comment
  CAS-BOT-BC247625  Poa X limosa John Thomas Howell 1934-7-1 12345 Modoc Duncan Horse Camp. 1355 Comment
  RSA273391  Poa palustris J. P. Smith, J. O. Sawyer 1973-8-9 7277 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  CDA2368  Poa pratensis T. C. Fuller 1958-7-8 2016 Modoc Davis Creek. 0 Comment
  CHSC85133  Poa pratensis John Dittes; Josephine Guardino 1991-7-21 435 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
  SEINET10659816  Poa pratensis Mona R. Bourell, R. Patterson 1993-8-15 Bourell 5274 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead. Along exposed rocky ridge. 2438 Comment
  JEPS74050  Poa pratensis subsp. pratensis Frances D. Payne 1932-7-20 719 Modoc s and e Alturas (Parker Creek); Warner Mts 1584 Comment
  CHSC67418  Poa sandbergii James D. Jokerst 1986-8-12 2764 Modoc Radar Site Survey S of Doublehead Mtn., vernal pool adjacent to unnamed road ca. 0.5 mi S of its jct. With the E-W road to Doublehead Mtn. Comment
  CAS-BOT-BC255023  Poa secunda Roxana S. Ferris; Laura Lorraine 1941-8-14 10582 Modoc 3 miles from Patterson Ranger Station on road to Eagleville, Warner Mountains, Modoc National Forest Comment
  POM264350  Poa secunda A. A. Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass. 2119 Comment
  UCD90461  Poa secunda E. Wilson 1935-5-14 s.n. Modoc E side of Cedar Pass. Comment
  UC1025066  Poa secunda subsp. juncifolia Leo Whitney 1935-7-21 3551 Modoc 15 mi w Canby (Happy Camp); Modoc Nat'l Forest 1463 Comment
  UC820951  Poa secunda subsp. juncifolia C. L. Hitchcock 1940-5-28 6725 Modoc 15 mi n Alturas 1402 Comment
  UCD92398  Poa secunda subsp. juncifolia L. S. Smith 1918-8-18 1042 a Modoc Bear Mt. Ridge. Comment
  CAS-BOT-BC247657  Poa secunda subsp. secunda James Vale; et al 1981-5-21 4125 Modoc Devils Garden on Crowder Flat Rd. 1524 Comment
  HSC10779  Poa secunda subsp. secunda M. T. Milligan 1964-6-4 18 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  UC1024906  Poa secunda subsp. secunda Leo Whitney 1935-5-19 3105 Modoc ca 15 mi nw Canby (Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1024928  Poa secunda subsp. secunda Leo Whitney 1935-6-29 3350 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1025025  Poa secunda subsp. secunda Leo Whitney 1935-7-21 3526 Modoc Pit River Comment
  UCD90489  Poa secunda subsp. secunda A. A. Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass. 2118 Comment
  CAS-BOT-BC247654  Poa wheeleri Bruce Bartholomew 1990-6-16 5271 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  CAS-BOT-BC252515  Poa wheeleri Bruce Bartholomew 1991-6-20 5789 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  CAS-BOT-BC179346  Pogogyne floribunda James D. Jokerst 1987-6-23 2930 Modoc Ca. 2 mi. SW of Doublehead Mountain. Comment
  SEINET4853913  Pogogyne floribunda Louis C. Wheeler 1935-8-25 76793 Modoc Modoc NF: Rim Rock Valley, Devil's Garden. 1524 Comment
  UC1597731  Pogogyne floribunda J. D. Jokerst 1987-6-23 2930 Modoc 2 mi. s.w. Doublehead Mt. (at n. end large unnamed dry lakebed, s. of Clear Lake, Devils Garden Ranger District, Modoc Nat'l Forest); Modoc Nat'l Forest, Devils Garden Ranger District Comment
  RSA0022125  Pogogyne floribunda H. L. Mason 1947-8-9 13474 Modoc East side of Fairchild Swamp, north of Alturas Comment
  CAS-BOT-BC497330  Polanisia dodecandra var. trachysperma G. Schoolcraft 1999-7-13 2863 Modoc Lower slopes of Warner Mtns, 3 mi N of Eagleville 1463 Comment
  HSC104011  Polemonium micranthum L. Ahart, John Dittes 2008-6-21 14981 Modoc About 5.4 air mi. NE of Bieber, ~2.8 air mi. N of the Headquarters at Ash Creek State Wildlife Area, west of the large levee, mountain meadow in Big Valley 1256 Comment
  JEPS69908  Polemonium micranthum B. C. Goldsmith 1912-5-1 Modoc Alturas Comment
  HSC81029  Polemonium occidentale subsp. occidentale G. M. Riegel 1980-7-2 807 Modoc S Warner Mtns. 2100 Comment
  RSA59804  Polyctenium fremontii E. K. Balls 1950-5-17 14728 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  RSA59937  Polyctenium fremontii E. K. Balls 1950-5-11 14631 Modoc 8.1 miles NE of Fort Bidwell, above Cow Head Lake, along 8-mile Creek. 1463 Comment
  CAS-BOT-BC58324  Polyctenium fremontii var. fremontii Alice Eastwood; John Thomas Howell 1940-6-15 8275 Modoc Near Perez. Comment
  CHSC67097  Polyctenium fremontii var. fremontii James D. Jokerst 1987-5-13 2855 B Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, dry lake W and adjacent to N end of central sector. 1353 Comment
  UC17451  Polygala cornuta var. cornuta Milo S. Baker 1893-6 Modoc Dunsmuir Sac. Canyon Comment
  JEPS121234  Polygonum Lowell Ahart, John Dittes 2013-7-24 18911 Modoc On the S side of a levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  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
  CDA2770  Polygonum arenastrum T. C. Fuller 1958-7-8 1958 Modoc Corporation Ranch, Likely. 0 Comment
  POM229191  Polygonum convolvulus Louis C. Wheeler 1935-8-6 3799 Modoc Mouth Pine Creek, Warner Mountains. 1509 Comment
  RSA0034565  Polygonum convolvulus Louis C. Wheeler 1935-8-6 3799 Modoc Mouth Pine Creek, Warner Mountains. 1509 Comment
  CAS-BOT-BC218126  Polygonum douglasii Bruce Bartholomew 1990-6-16 5255 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2130 Comment
  CAS-BOT-BC218142  Polygonum douglasii John Thomas Howell 1934-6-12 12002 Modoc Davis Creek. Comment
  CAS-BOT-BC218143  Polygonum douglasii John Thomas Howell 1934-7-1 12317 Modoc Duncan Horse Camp. 1355 Comment
  SJSU9579  Polygonum douglasii W. Savage 1979-7-4 1339 Modoc Triange, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC466034  Polygonum douglasii subsp. douglasii Mrs. R. M. Austin July 1890 431 Modoc Goose Lake Valley Comment
  CAS-BOT-BC26627  Polygonum esotericum Louis C. Wheeler 1935-8-25 3918 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  CDA22825  Polygonum lapathifolium T. C. Fuller 1958-8-12 2070 Modoc Corporation Ranch, Likely. 0 Comment
  CDA22820  Polygonum lapathifolium var. salicifolium T. C. Fuller 1958-7-8 1957 Modoc Corporation Ranch, Likely. 0 Comment
  UCD77952  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-6-1 1357 Modoc Modoc Plateau, along Hwy 139, ca. 2 mi e of Forest Service Road, 44N11. 1487 Comment
  RSA32012  Polygonum polygaloides subsp. confertiflorum A. A. Heller 1938-6-24 15230 Modoc 2 miles E of McArthur. 1037 Comment
  UCD100569  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3210 Modoc Hwy. 139 NW of Canby, ca. 300 m N of the road at the SE edge of a large dry lake, within the dry-down zone adjacent to a concrete overflow structure. Comment
  UCD77953  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-7-18 1413 Modoc Ca. 15 mi nw of Canby, on n side of Hwy 139, 1.25 mi w of Forest Service Rd 44N11. 1467 Comment
  CAS-BOT-BC218182  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3919 Modoc Rim Rock Valley Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC6535  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden 1524 Comment
  CHSC67589  Polygonum polygaloides subsp. esotericum James D. Jokerst 1987-7-17 2953 Modoc Hwy. 139 NW of Canby, 300 m N of the highway at the SE edge of a large dry lake on a dry barren mudflat near the concrete overflow weir. Comment
  CHSC81398  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-19 1423 Modoc Ca. 9 mi nw of Canby, on n side of Hwy 139, 2.0 mi w of Forest Service Rd 46N10. 1488 Comment
  CAS-BOT-BC218189  Polygonum polygaloides subsp. kelloggii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 107 Modoc Above Parker Creek, Warner Mts. Comment
  JEPS78243  Polygonum polygaloides subsp. kelloggii L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4890 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen Co. line); Warner Mts. 2011 Comment
  RSA334868  Polygonum sawatchense subsp. sawatchense A. Tiehm 1984-6-30 8841 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  CAS-BOT-BC218150  Polygonum spergulariiforme Bruce Bartholomew 1989-7-14 4923 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC218151  Polygonum spergulariiforme Bruce Bartholomew; Barrett Anderson 1990-7-19 5397 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  HSC41123  Polygonum spergulariiforme Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3247 Modoc Modoc National Forest; along Hwy. 299 just NW of Andin Pass 1524 Comment
  RSA59861  Populus trichocarpa E. K. Balls 1950-5-11 14610 Modoc W of Middle Lake. Between Eagleville and Cedarville. 1433 Comment
  UC1134817  Populus trichocarpa R. C. Wilson 1933-7-16 64 Modoc Rush Creek; Modoc National Forest, Canby Quadrangle Comment
  SEINET11984746  Populus trichocarpa E. K. Balls 1950-1 14610 Modoc W of Middle Lake, between Eagleville and Cedarville 1433 Comment
  SEINET10460821  Porterella carnosula Mason 1947-8-12 Mason 13502 -a Modoc Comment
  RSA577885  Potamogeton diversifolius L. C. Wheeler 1935-8-22 3903 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  UCD149955  Potamogeton epihydrus Harry George 1967-6-15 s.n. Modoc Whitehorse Flat Reservoir. Comment
  RSA210807  Potamogeton foliosus Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39095 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC1099908  Potamogeton illinoensis Verne Grant, Irving Schneider 1947-8-29 8353 Modoc at bridge by Coal Stone Valley; Pit River Comment
  UC1100082  Potamogeton pectinatus Verne Grant, Irving Schneider 1947-7-19 8085 Modoc n of Likely (s of Williams ranch house) Comment
  UC1100101  Potamogeton richardsonii Herbert L. Mason 1947-8-13 13530 Modoc n of Canby (ne side of F Reservoir) Comment
  UCD149956  Potamogeton zosteriformis Harry George 1967-6-15 s.n. Modoc Egg Lake. Comment
  RSA59545  Potentilla anserina E. K. Balls 1950-5-10 14595 Modoc West shore Middle Lake, near Cedarville. 1402 Comment
Read comments
Feb 22 2013
  CAS-BOT-BC214742  Potentilla breweri Bruce Bartholomew; Barrett Anderson 1988-7-22 4543 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC214743  Potentilla breweri Leland S. Smith 1924-6-9 1389 Modoc Flat along edge of Lavas, Egg Lake. Comment
  JEPS47227 Image available Potentilla breweri Frances D. Payne 1931-6-29 286 A Modoc s Mosquito Lake (e slope of Mt. Warren); Warner Mts., e slope of Mt. Warren 2133 Comment
  RSA164422  Potentilla glandulosa subsp. ashlandica Clare B. Hardham 1961-6-20 7881 Modoc Mt. Bidwell Dismal Swamp road 2439 Comment
  CAS-BOT-BC214783  Potentilla gracilis Bruce Bartholomew 1991-7-4 5914 Modoc Roney Flat. 1460 Comment
  NY832655  Potentilla gracilis B. M. Bartholomew 1991-8-5 6044 Modoc Squaw Peak Trail on north side of Squaw Peak, east side of Warner Mountains 2450 Comment
  UC545660  Potentilla gracilis John Thomas Howell 1934-7-1 12306 Modoc Duncan Horse Camp Comment
  SBBG30542  Potentilla gracilis var. flabelliformis D. Myrick 1968-6-20 1976 Modoc Davis Crk on Hwy 395, 15 mi N of Alturas 1524 Comment
  UC420583  Potentilla gracilis var. flabelliformis W. P. Taylor and H. C. Bryant 1910-7-11 Modoc Alturas Warner Mountains, South Fork Pitt River (South Fork Pitt River) 1402 Comment
  UC1191510  Potentilla newberryi Verne Grant, Irving Schneider 1947-8-27 8313 Modoc sw end Clear Lake; sw end of Clear Lake Comment
  CAS-BOT-BC143312  Potentilla newberryi Verne Grant; Irving Schneider 1947-8-27 8313 Modoc Southwest end of Clear Lake Comment
  POM312884  Potentilla rivalis Verne Grant 1947-8-27 8318 Modoc Southwest end of Clear Lake. Comment
  UC1540172  Potentilla rivalis Dean W. Taylor 1987-8-9 9283 Modoc Northeastern California 1371 Comment
  RSA0025587  Prunus emarginata John F. Emmel 1996-7-15 1436 Modoc East slope Warner Mtns; along County Road 42, above North Barber Creek, ca. 2.5 air mi NW of Snake Lake. 1829 Comment
  CAS-BOT-BC214825  Prunus subcordata John Thomas Howell 1934-6-12 12012 Modoc Between Davis Creek and Plum Valley. Comment
  UC719794  Prunus subcordata Rogers McVaugh 1941-8-5 6252 Modoc 5.5 mi w of Cedarville (e slope of Warner Mountains); 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
  CAS-BOT-BC225016  Prunus virginiana var. demissa A. D. Borden 1911-8-9 Modoc S slope of Shields Creek. 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
  RSA451460  Prunus virginiana var. demissa H. E. McMinn 1931-5-23 1998 Modoc Cedarville road. Warner Mtns. Comment
  UC12725  Prunus virginiana var. demissa Milo S. Baker 1893-6-15 Modoc Comment
  RSA149070  Prunus virginiana var. melanocarpa I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16400 Modoc Roadside above Thoms Creek. 6.1 miles E of California State Highway 299. Along Cedar Pass Rd. Comment
  UCD32717  Pseudoroegneria spicata Beecher Crampton 1954-7-7 2149 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, on volcanic slopes. 1615 Comment
  UCD91488  Pseudoroegneria spicata A. A. Beetle 1941-6-29 2828 Modoc Near summit of Cedarville Pass. 2118 Comment
  JEPS73939  Pseudoroegneria spicata subsp. spicata Frances D. Payne 1932-6-27 648 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC188857  Pseudoroegneria spicata subsp. spicata Milo S. Baker Modoc near Forestdale Comment
  CAS-BOT-BC95221  Pseudostellaria jamesiana Annie Montague Alexander; L. Kellogg 1946-6-12 4899 Modoc Bidwell Creek Canyon, 7 mi. W of Fort Bidwell. 1444 Comment
  CHSC109460  Pseudostellaria jamesiana B. Castro; L. P. Janeway 2012-7-24 1950 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; ca 0.6 air mi S of Dismal Swamp. 7740 Comment
  UC189584  Pseudostellaria jamesiana Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC711879  Pseudostellaria jamesiana Roxana S. Ferris and Laura Lorraine 1941-8-13 10513 Modoc Patterson Ranger Station (East Creek drainage) Warner Mts., Modoc National Forest (Modoc National Forest, Warner Mts.) 2164 Comment
  POM229881  Psilocarphus brevissimus L. C. Wheeler 1935-8-25 3920 Modoc Rim Rock Valley Reservoir, Devil's Garden 1524 Comment
  CAS-BOT-BC50381  Psilocarphus brevissimus var. brevissimus Louis Cutter Wheeler 1935-8-25 3920 Modoc Rim Rock Valley, Devil's Garden. 1524 Comment
  HSC80874  Pteridium aquilinum var. pubescens G. M. Riegel 1980-7-31 928 Modoc S. Warner Mtns. 1829 Comment
  CAS-BOT-BC95680  Pterospora andromedea Francis Dorris Payne 1935-7-19 799 Modoc Dry Creek. Comment
  UCD32719  Puccinellia distans Beecher Crampton 1954-7-7 2156 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  CHSC112684  Puccinellia lemmonii Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18763 Modoc Meadow, about 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UCD91875  Puccinellia lemmonii Beecher Crampton 1954-7-6 2083 -B Modoc Along U. S. Hwy. 395. 4 miles north of Likely. Comment
  UCR136425  Puccinellia lemmonii Beecher Crampton 1954-7-6 2084 Modoc Modoc Plateau, 4 miles north of Likely along US Highwy 395 1402 Comment
  SEINET229269 Image available Puccinellia nuttalliana Arnold Tiehm, Jan Nachlinger; Gary Schoolcraft 1984-6-24 880 Modoc Surprise Valley east side of Middle Alkali Lake east of Cedarville. 1356 Comment
  CAS-BOT-BC218235  Purshia tridentata var. tridentata F. Angwin 1946-4-25 Modoc Adin. 1371 Comment
  CAS-BOT-BC218236  Purshia tridentata var. tridentata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 71 Modoc Above Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC218240  Purshia tridentata var. tridentata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16495 Modoc SE flank of Glass Mt., near Modoc-Siskiyou County line. Comment
  JEPS44641  Purshia tridentata var. tridentata Frances D. Payne 1931-7-11 152 Modoc s and e of Alturas (Parker Creek); Warner Mountains 1584 Comment
  CAS-BOT-BC218241  Purshia tridentata var. tridentata John H. Hatton 1911-6-10 20 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC95695  Pyrola picta Bruce Bartholomew; Barrett Anderson 1988-7-21 4408 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  NY188348  Pyrola picta B. M. Bartholomew 1988-7-21 4408 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir 1340 Comment
  UC748277  Pyrola picta Annie M. Alexander and Louise Kellogg 1946-8-8 5119 Modoc Warner Mountains, Deep Creek Canyon, (seen) at the end of Portal Reservation Road Deep Creek Canyon; Warner Mountains, Deep Creek Canyon Comment
  SEINET195665  Pyrola picta Unknown 1946-8-8 5121 Modoc Deep Creek Canyon, Warner Mountains. Comment
  CAS-BOT-BC50398  Pyrrocoma carthamoides var. cusickii John Thomas Howell 1934-6-12 11987 Modoc 9 mi. S of Davis Creek. Comment
  JEPS74349  Pyrrocoma carthamoides var. cusickii L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1974-7-24 3768 Modoc 3.5 mi n Cedar Pass (along forest service road); Warner Mts. 2042 Comment
  SJSU9381  Pyrrocoma carthamoides var. cusickii W. Savage 1979-7-3 1295 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCR163908  Pyrrocoma carthamoides var. cusickii Jim Andre 1993-6-30 1403 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC50353  Pyrrocoma lanceolata var. lanceolata Bruce Bartholomew 1990-6-18 5365 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  CAS-BOT-BC50357  Pyrrocoma lanceolata var. subviscosa Harvey Monroe Hall 1925-8-30 12212 Modoc 19 mi. S of Alturas on Hwy 395, at N edge of Likely. Comment
  CAS-BOT-BC105113  Quercus kelloggii Annie M. Alexander; Louise Kellogg 1948-9-18 5623 Modoc 1 mile SW of Adin Pass summit 1524 Comment
  RSA476818  Quercus kelloggii Christopher Davidson 1975-6-4 2626 Modoc 0.7 mile east of Upper Rush Creek Camp on dirt road off Highway 299 ca. 7 miles north of Adin. 1646 Comment
  UC1731507  Ranunculus alismifolius Dean W. Taylor 1992-5-8 12567 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 Comment
  RSA604739  Ranunculus alismifolius var. alismifolius Louis C. Wheeler 1935-8-4 3774 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC379160  Ranunculus aquatilis var. aquatilis Clare R. Wheeler; Gladys L. Smith 1981-5-23 2277 Modoc Rancheria Creek at Elkhorn Road, Yorkville, 4.5 mi S of Hwy 128 274 Comment
  CAS-BOT-BC379171  Ranunculus aquatilis var. aquatilis Clare R. Wheeler 1980-6-17 1761 Modoc Cherry Lake 5.6 km north of Anthony Peak 1829 Comment
  UC70362  Ranunculus aquatilis var. capillaceus Milo S. Baker 1899-8-24 Modoc Carmichael's Mill Big Valley Comment
  RSA399371  Ranunculus aquatilis var. capillaceus George Willet 1935-6-12 s.n. Modoc [Unspecified] Comment
  CHSC99768  Ranunculus aquatilis var. diffusus Lowell Ahart; John Dittes 2008-6-21 14989 Modoc In the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  CDA24298  Ranunculus aquatilis var. subrigidus J. Elliott 1975-7-11 75 Modoc Pit River, approximately 8 miles northeast of Alturas on Highway 395. 0 Comment
  UC1101381  Ranunculus cymbalaria var. saximontanus Herbert L. Mason and Verne Grant 1947-7-12 13387 Modoc irrigation ditch by Jones' Lane (off Hwy 395, several mi s of Alturas) Comment
  UC480945  Ranunculus cymbalaria var. saximontanus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains 2225 Comment
  JEPS60674  Ranunculus cymbalaria var. saximontanus Frances D. Payne 1935-7-19 793 Modoc s and e Alturas (mouth of creek (tributary of Parker Creek)); Warner Mountains, Dry Creek Comment
  UC1101383  Ranunculus cymbalaria var. saximontanus Herbert L. Mason 1947-8-15 13552 Modoc mouth of Crane Creek Goose Lake, Willow Ranch (e side of Lake) Comment
  RSA84858  Ranunculus flabellaris Alice Eastwood, John T. Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  CHSC42167  Ranunculus glaberrimus C. E. Laver 1986-3-26 Modoc Ca. 11.5 mi ne of Alturas and 1 mi sw of Thoms Creek. In a meadow. 1524 Comment
  JEPS55077  Ranunculus glaberrimus Leland S. Smith 1918-3-21 915 Modoc near Alturas; Juniper Flats 1371 Comment
  CAS-BOT-BC217248  Ranunculus glaberrimus var. glaberrimus Fred D. Douthitt 1916-8-20 2 Modoc Flournoy Swale. 1828 Comment
  HSC103173  Ranunculus glaberrimus var. glaberrimus R. W. Tate, K. Ludwig 2014-3-19 1401 Modoc Modoc National Forest, Devil's Garden RD, Reservoir C parking area. 1513 Comment
  HSC18230  Ranunculus glaberrimus var. glaberrimus M. G. Burgoyne 1962-4-15 1008 Modoc 20 mi. W of Cedarville on Cedar Pass Hwy. 1524 Comment
  UC118239  Ranunculus hebecarpus T. S. Brandegee and Mrs. R. M. Austin 212 Modoc Comment
  UC748221  Ranunculus occidentalis Annie M. Alexander and Louise Kellogg 1946-6-7 4672 Modoc 1/2 mi e Cedarville 1453 Comment
  POM260873  Ranunculus occidentalis var. eisenii Alice Eastwood, John T. Howell 1940-6-15 8283 Modoc Near Happy Camp Range Station. Comment
  CHSC118068  Ranunculus occidentalis var. occidentalis L. P. Janeway 2016-5-16 12005 Modoc Modoc Plateau. Devils Garden area; juntion of Road 46N02 at Road 47N09/73/181; 2.0 air-km east of Green Spring Reservoir. 1585 Comment
  CAS-BOT-BC217215  Ranunculus occidentalis var. ultramontanus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 48 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC217216  Ranunculus occidentalis var. ultramontanus L. A. M. Black 1894-6-1 74 Modoc Davis Creek. Comment
  SEINET12091408  Ranunculus orthorhynchus A. Seneres, Harold, N. 1983-1 106 Modoc Warner Mts Comment
  CAS-BOT-BC217192  Ranunculus sceleratus Louis Cutter Wheeler 1935-8-3 3762 Modoc Pine Creek, Warner Mts. 1737 Comment
  UCR49699  Ranunculus sceleratus L. C. Wheeler 1935-8-3 3762 Modoc Warner Mtns, Rock Lake, Pine Creek 1921 Comment
  CAS-BOT-BC217199  Ranunculus sceleratus var. multifidus Elmer Ivan Applegate 1929-7-29 6090 Modoc N side of Clear Lake. Comment
  JEPS124360  Ranunculus sceleratus var. sceleratus Lowell Ahart, John Dittes 2015-7-16 20378 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CDA3493  Ranunculus testiculatus C. B. Greenback 1981-4-9 Modoc Hawk s Nest, near Tule Lake. 0 Comment
Read comments
Jun 24 2009
  RSA100044  Ranunculus uncinatus var. parviflorus R. M. Austin 1895-06 s.n. Modoc Goose Lake Valley. Comment
  NY454720  Ribes aureum B. M. Bartholomew 1989-4-29 4703 Modoc Sand Creek, east side of Surprise Valley, ca. 10 km east of Cedarville 1400 Comment
  OBI48066  Ribes aureum Rhonda Riggins 1989-4-28 1667 Modoc Pencil rd, 4.4 mi N of hwy 395 E of Alturas 1524 Comment
  UC71821  Ribes aureum Mrs. M. H. Manning 1903-4 95 Modoc valley near Fort Bidwell Comment
  CAS-BOT-BC225878  Ribes cereum Annie Montague Alexander; L. Kellogg 1946-6-8 4693 Modoc Road from Eagleville to Patterson Mill. 2164 Comment
  CAS-BOT-BC225895  Ribes cereum K. Paulson; Robert Paulson 1989-6-14 135 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1905 Comment
  RSA165508  Ribes cereum Clare B. Hardham 1961-6-20 7856 Modoc Cave Lake. 2134 Comment
  UC1075751  Ribes cereum Robert J. Weatherby 1955-7-7 1606 Modoc 7 mi n Ft. Bidwell 1889 Comment
  UC11512  Ribes cereum Mrs. R. M. Austin and Bruce June 1898 2357 Modoc Lake City Mt. Comment
  UC1553402  Ribes cereum G. Schoolcraft 1988-7-12 1825 Modoc N. Deep Creek, at lower part Warner Mtns. 1554 Comment
  UC71794  Ribes cereum Mrs. M. H. Manning 1902-10-11 37 b Modoc ne Modoc Conty Comment
  NY455009  Ribes cereum M. S. Baker 1893-8-10 s.n. Modoc Comment
  SBBG2771  Ribes malvaceum H. and M. Dearing 1939-6-8 3608 Modoc Lily Lake, Warner Mtns Comment
  JEPS43509  Ribes montigenum Frances D. Payne 1929-7-7 49 Modoc 2 mi sw Mt. Warren; Warner Mts., Pine Creek Basin 2133 Comment
  UC570956  Ribes velutinum F. H. Frost 1925-7-24 114 Modoc Jess Valley Warner Mts. Comment
  CAS-BOT-BC225935  Ribes viscosissimum Annie Montague Alexander; L. Kellogg 1946-7-1 4894 Modoc One-half mile S of Dismal Swamp, N end of Warner Mts. 2255 Comment
  CAS-BOT-BC225941  Ribes viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-15 4772 Modoc Deep Creek. 1981 Comment
  CAS-BOT-BC225944  Ribes viscosissimum P. Monnet 1913-7-7 871 Modoc Warner's Range. 2286 Comment
  CAS-BOT-BC225947  Ribes viscosissimum Elmer Ivan Applegate 1932-8-7 8091 Modoc Mill Creek, Warner Mts. Comment
  JEPS27159 Image available Ribes viscosissimum Lauramay T. Dempster 1961-6-20 1712 Modoc w Mt. Bidwell (Cave Lake Camp Ground); Warner Mts. Comment
  NY455561  Ribes viscosissimum K. Paulson 1989-6-21 145 Modoc Pine Creek Basin, west side of the Warner Mountains 2109.2 Comment
  SBBG27540  Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 mi NE of Alturas 1615 Comment
  SEINET182274 Image available Ribes viscosissimum L. C. Wheeler 1935-8-14 3850 Modoc Warner Mountains; Lily Lake Pine Creek 2073 Comment
  UC748481 Image available Ribes viscosissimum Annie M. Alexander and Louise Kellogg 1946-6-15 4772 Modoc Deep Creek 1981 Comment
  HSC80718  Ribes viscosissimum G. M. Riegel 1979-7-14 479 Modoc Plot 59 1829 Comment
  RSA0020910  Ribes viscosissimum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19439 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  CHSC109454  Ribes viscosissimum var. hallii B. Castro; L. P. Janeway 2012-7-24 1943 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.9 air mi east of Lily Lake and 1.1 air mi southwet of Dismal Swamp. 2250 Comment
  SEINET5339892  Ribes viscosissimum var. hallii M. J. Williams 1984-6-29 84- 71 -3 Modoc Lily Lake, west side of the Warner Mountains 2073 Comment
  CAS-BOT-BC50330  Rigiopappus leptocladus Bruce Bartholomew 1993-6-14 6665 Modoc 4 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1400 Comment
  JEPS6020  Rigiopappus leptocladus Frances D. Payne 1932-6-10 638 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC579731  Rigiopappus leptocladus David D. Keck and J. Clausen 1935-6-24 3715 Modoc 3 mi ne Willow Ranch (e of Goose Lake) 1550 Comment
  CAS-BOT-BC50369  Rigiopappus leptocladus Fred. P. Cronemiller 1920-6-15 10 Modoc McKenzie Spring. 1341 Comment
  UC90670  Rigiopappus leptocladus Mrs. R. M. Austin Modoc Lost River Canyon Comment
  CAS-BOT-BC58409  Rorippa austriaca W. Ball 1937-6-27 Modoc Corporation Ranch. Comment
  CDA37713  Rorippa austriaca Breckenridge/Filippini 2007-6-14 s.n. Modoc South of Alturas, on Jones Lane. 0 Comment
  CDA37893  Rorippa austriaca J. L. Johnson 1973-1 s.n. Modoc 0 Comment
  UCD115241  Rorippa austriaca W. S. Ball 1937-6-27 s.n. Modoc Corporation Ranch. Comment
  CHSC67354  Rorippa columbiae James D. Jokerst 1986-8-10 2755 Modoc Radar Site Survey S of Doublehead Mtn., Rimrock Lake. 1341 Comment
  CHSC74971  Rorippa columbiae Sheryl Gill 1996-9-3 Modoc At the Tule Lake National Wildlife Refuge--'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump. In fields. 1229 Comment
  RSA530126  Rorippa columbiae D. W. Taylor 1987-8-9 9280 Modoc Clear Lake Reservior, on shore 100 meters west of dam., [Should be T47N...] 1372 Comment
Read comments
Sep 24 2008
  RSA210854  Rorippa curvipes var. truncata R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39111 a Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC58380  Rorippa curvisiliqua John Thomas Howell 1934-6-12 12037 Modoc Lassen Creek. Comment
  CAS-BOT-BC58425  Rorippa curvisiliqua Bruce Bartholomew; Barrett Anderson 1988-6-24 4322 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC58418  Rorippa curvisiliqua Leland S. Smith 1922-7-7 1261 Modoc Near Ft. Bidwell, along boundary of Forest. 1737 Comment
  RSA0042938  Rorippa curvisiliqua Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39111 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
  SEINET11546665  Rorippa curvisiliqua M. J. Williams 1984-6-30 84- 80 -3 Modoc Near reservoir, 6.8 miles W of Cedarville-Gerlach Road. 1981 Comment
  CAS-BOT-BC58453  Rorippa nasturtium-aquaticum Frederick H. Frost 1925-7-11 7 Modoc Cedar Canyon, 2 mi. above Cedarville, Warner Mts. Comment
  UC673336  Rorippa nasturtium-aquaticum F. H. Frost 1925-7-11 Modoc Cedar Canyon 2 mi above Cedarville (Warner Mts.); , Cedar Canyon, above Cedarville Comment
  RSA101385  Rosa woodsii subsp. ultramontana R. Weatherby 1955-7-8 1627 Modoc 5 miles north of Ft. Bidwell, no. Warner Mts. 1784 Comment
  CAS-BOT-BC218252  Rosa woodsii var. ultramontana Alice Eastwood; John Thomas Howell 1940-6-11 8009 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CAS-BOT-BC218259  Rosa woodsii var. ultramontana Bruce Bartholomew; Barrett Anderson 1990-7-20 5547 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  CAS-BOT-BC218265  Rosa woodsii var. ultramontana Verne Grant; I. Schneider 1947-7-18 8045 Modoc Eastside Canall, 5 mi. N of Bayley's bridge, S of Alturas. Comment
  JEPS47232  Rosa woodsii var. ultramontana Frances D. Payne 1929-7-19 100 Modoc s and e Alturas; Warner Mountains, Parker Creek 2286 Comment
  JEPS47234  Rosa woodsii var. ultramontana Frances D. Payne 1932-7-11 689 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC12894  Rosa woodsii var. ultramontana Milo S. Baker 1893-6-26 Modoc 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
  CAS-BOT-BC211338  Rumex acetosella Bruce Bartholomew 1991-7-4 5888 Modoc S end of Higgins Flat. 1370 Comment
  HSC17566  Rumex acetosella M. T. Milligan 1965-6-23 289 Modoc N end of Jess Valley 1616 Comment
  HSC17570  Rumex acetosella M. T. Milligan 1964-6-27 95 Modoc Old mill, Lassen Creek 1829 Comment
  CAS-BOT-BC211302  Rumex lacustris Herbert Louis Mason; Verne Grant 1947-7-10 13336 Modoc Dorris Reservoir, 2 mi E of Alturas. Comment
  UCD101328  Rumex lacustris Herbert L. Mason; Verne Grant 1947-7-10 13336 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CAS-BOT-BC211303  Rumex maritimus Bruce Bartholomew 1990-8-3 5606 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  UCR43513  Rumex maritimus R. F. Thorne, C. W. Tilforth, James Henrickson 1969-9-3 39017 Modoc Fresh water (tule) marsh at SE end of Tule Lake Sump 0.5 mi north of turnoff to Lava Beds National Monument. (2.2 mi east of NE entrance to monument:) 1265 Comment
  NY413155  Rumex maritimus var. fueginus H. L. Mason 1947-7-11 13362 Modoc Irrigation ditch on Highway 395, 5 miles south of Alturas Comment
  JEPS58030  Rumex occidentalis Frances D. Payne 1931-7-4 312 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC748314  Rumex paucifolius Annie M. Alexander and Louise Kellogg 1946-7-11 4977 Modoc mesa w Eight Mile Creek Comment
  CAS-BOT-BC211314  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1990-7-19 5439 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC211311  Rumex salicifolius John H. Hatton 1911-6-12 44 Modoc Modoc County. 1493 Comment
  CDA23212  Rumex salicifolius var. triangulivalvis T. C. Fuller 1958-7-8 2033 Modoc 4 miles south of Pine Creek. 0 Comment
  CHSC117359  Rumex transitorius Lowell Ahart; John Dittes 2016-7-14 21194 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC211317  Rumex triangulivalvis John Thomas Howell 1934-6-15 12189 Modoc Alturas. Comment
  HSC65604  Rumex triangulivalvis Thomas Wood 1979-8-9 239 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  UC71708  Sagittaria cuneata Mrs. M. H. Manning 1903-8-24 318 Modoc Sessions Swamps Comment
  UC935799  Sagittaria cuneata Malcolm A. Nobs, S. Galen Smith and Herbert L. Mason 1949-5-29 768 Modoc e Kelly Hot Springs; e of Kelly Hot Springs Comment
  UCD138008  Sagittaria cuneata Herbert L. Mason 1947-8-12 13506 Modoc Junction of North and South forks of Pit River, Alturas. Comment
  UC492371  Salix boothii Frances D. Payne 1932-7-21 728 a Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  UC481862  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481866  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225768  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 494 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
  RSA0039537  Salix exigua Lowell A. Ahart, John Dittes 2008-8-25 15310 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UC481956  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 494 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch) 1560 Comment
  CAS-BOT-BC197555  Salix geyeriana Louis Cutter Wheeler 1935-9-11 3969 Modoc Fletcher Creek, Devil's Garden. 1524 Comment
  CAS-BOT-BC229682  Salix lasiandra subsp. caudata Belknap C. Goldsmith 1911-5-21 24 Modoc East shore of Goose Lake. 1432 Comment
  CAS-BOT-BC229683  Salix lasiandra subsp. caudata Elmer Ivan Applegate 1929-6-25 5899 Modoc Cottonwood Creek, E side of Goose Lake. Comment
  UC634554  Salix lasiandra subsp. lasiandra F. H. Frost 1925-7-11 20 Modoc Cedar Canyon Camp Site Warner Mts., Cedar Canyon Camp Site Comment
  CAS-BOT-BC197562  Salix lasiandra var. lasiandra H. P. Bracelin; Francis Dorris Payne 1931-6-30 498 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  JEPS119654  Salix lasiandra var. lasiandra Lowell Ahart, John Dittes 2012-7-10 18315 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  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
  SBBG27411  Salix lemmonii F. D. Payne -Aug-1934 778 Modoc Pine Crk Basin 2316 Comment
  SBBG57898  Salix lemmonii F. D. Payne -Aug-1934 778 Modoc Pine Crk Basin 2316 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
  POM107155  Salix lemmonii var. macrostachya R. M. Austin 1895-05 s.n. Modoc Davis Creek 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
  RSA59738  Salix lucida subsp. lasiandra E. K. Balls 1950-5-20 14794 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  POM107279  Salix lutea R. M. Austin 1895-04 s.n. Modoc Goose Lake. Franklin Creek. Comment
Read comments
Mar 5 2011
  SBBG27428  Salix lutea Mrs. H. P. Bracelin, F. D. Payne 1931-6-30 499 Modoc Parker Crk, 20 km E of Alturas S of Payne Ranch 1560 Comment
  SD37400  Salix lutea Mrs. H. P. Bracelin, Miss Frances D. Payne 1931-6-30 499 Modoc Perker Creek, 20 km east of Alturas, meadow south of Payne Ranch 1559 Comment
  NY187999  Salix orestera F. D. Payne 1931-7-7 333 Modoc Pine Creek Basin, Warner Mountains, about 33 km SE of Alturas 2280 Comment
  CAS-BOT-BC229833  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC95562  Salsola tragus Bruce Bartholomew 1994-10-9 6885 Modoc 11.0 km S of Eagleville, W side of Surprise Valley. 1370 Comment
  NY540068  Salsola tragus L. C. Wheeler 1973-1 s.n. Modoc North end of Big Mud Lake Comment
  UCD99474  Salsola tragus Louis C. Wheeler 1973-1 s.n. Modoc North end of Big Mud Lake. 1645 Comment
  UC2043250  Salvia aethiopis Barbara Ertter 1995-7-1 14459 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  CDA36801  Salvia aethiopis D. B. Joley 1976-6-23 2 Modoc Hwy 395, north of Alturas, 1 mile north of border station. 0 Comment
  SEINET5343721  Salvia aethiopis M. J. Williams 1984-6-29 84- 70 -1 Modoc North of Alturas on Hwy 395 almost to Oregon border 1433 Comment
  RSA554805  Salvia dorrii subsp. dorrii Margaret J. Williams 1988-6-2 88- 27 -1 Modoc Hwy 395 0.4 mile E of Susanville road after turn to Alturas. [Lassen county] Comment
  UC585166  Salvia dorrii var. dorrii E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1820 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon 1524 Comment
  SEINET3158619  Salvia lemmonii E. K. Balls 1950-5-11 14622 Modoc 4 mi S of Fort Bidwell, W of Upper Lake 1402 Comment
  POM68254  Sambucus caerulea Mrs. R. M. Austin 1895-07 167 Modoc Goose Lake Valley. Comment
  RSA520489  Sambucus melanocarpa Bruce Bartholomew 1989-7-14 4943 Modoc N side of the Pit River near Ostrom Point, ca. 5.5 km E of County Route 91 1280 Comment
  CAS-BOT-BC238782  Sambucus nigra subsp. caerulea Roxana S. Ferris; Rena Duthie 1919-6-15 189 Modoc Parker Creek, Modoc Nat. Forest Bound. Comment
  CAS-BOT-BC238783  Sambucus nigra subsp. caerulea Elmer I. Applegate 1932-8-3 8136 Modoc West slope of Eagle Peak, Warner Mountains Comment
  CDA26415  Sanguisorba annua T. C. Fuller 1963-7-16 10914 Modoc East side of Fandango Pass Road, 1.8 miles east of Highway 395 to Willow Ranch. 0 Comment
  JEPS45504  Sanguisorba annua W. L. Jepson 1918-8-12 7957 Modoc Jess Valley 1584 Comment
  UC1037206  Sanguisorba annua Leo Whitney 1934-6-3 1560 Modoc dry streambed of Hackamore River ca 15 mi nw Canby (Hackamore); Modoc National Forest, bed of Hackamore River 1463 Comment
  CAS-BOT-BC15718  Sanicula graveolens Milo Samuel Baker; Franklin P. Nutting 1894-6-15 Modoc Big Valley Mts. Comment
  HSC28841  Sanicula graveolens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19319 Modoc Soup Springs Campground Comment
  JEPS1016  Sanicula graveolens M. S. Baker and Franklin P. Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  HSC80789  Sanicula graveolens G. M. Riegel 1979-7-13 511 Modoc South Warner Mountains 1829 Comment
  RSA540077  Sanicula graveolens Bruce Bartholomew, Anderson 1989-6-2 4840 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  SEINET11155989  Sanicula graveolens M. J. Williams 1984-6-28 84- 69 -3 Modoc Warner Mountains, N of Cedar Pass, end of Soldier Creek Road. 2073 Comment
  CAS-BOT-BC95238  Saponaria officinalis Bruce Bartholomew 1989-8-12 5136 Modoc 4.2 km W of Likely on County Road 60. 1370 Comment
  RSA11894  Sarcobatus vermiculatus Elmer I. Applegate 1897-6-1 3035 Modoc Between Canby and Alturas Comment
  UC11816  Saxifraga nidifica var. nidifica Milo S. Baker 1893-6-8 Modoc Forestdale Comment
  JEPS47636  Saxifraga oregana Mrs. M. H. Manning Modoc e side of Mount Bidwell ( Twelve Mile Creek, ne Modoc County); , Twelve Mile Creek Comment
  NY784264  Saxifraga oregana var. oregana B. M. Bartholomew 1988-6-24 4367 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. Emerson Peak 7 1/2' Quad. 2190 Comment
  UCD126477  Schedonorus pratensis L. Whitney 1935-6-29 3360 -b Modoc Alturas. 1463 Comment
  RSA210782  Schoenoplectus acutus var. occidentalis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39024 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  UC1100762  Scirpus acutus var. occidentalis Herbert L. Mason, Verne Grant 1947-7-19 8061 Modoc Eastside Canal about one mi s Bayley's Bridge (s of Alturas); , Eastside Canal Comment
  JEPS119848  Scirpus microcarpus Lowell Ahart, John Dittes 2012-7-12 18365 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC1100835  Scirpus microcarpus Verne Grant and Irving Schneider 1947-7-22 8152 Modoc on dirt road leading to s end Goose Lake one mi nw Highway 395 (headwaters North Fork Pit River); , s end Goose Lake Comment
  UC1100836  Scirpus microcarpus Verne Grant and Irving Schneider 1947-7-20 8096 Modoc North Fork Pit River by Dorris Bridge (Alturas); North Fork Pit River, Alturas Comment
  UC683298  Scirpus microcarpus Alan A. Beetle 1941-6-29 2824 Modoc 15 mi e Alturas (road from Alturas to Cedarville); e of Alturas 1371 Comment
  RSA531332  Scirpus microcarpus Bruce Bartholomew, B. Anderson 1990-7-19 5425 Modoc Top of Hunters Ridge south of Rush Creek. 1960 Comment
  SEINET4170939  Scirpus microcarpus Verne Grant, Irving Schneider 1947-7-22 8152 Modoc Headwaters of North Fork of Pit River, 1 mi N. W. of Hwy. 395 on dirt road leading to S. end of Goose Lake Comment
  UC1100808  Scirpus pungens Herbert L. Mason 1947-8-15 13547 Modoc mouth Crane Creek (on Willow Ranch, e side of Goose Lake); Goose Lake Comment
Read comments
Aug 18 2012
  HSC80744  Scrophularia desertorum G. M. Riegel 1979-7-28 610 Modoc S Warner Mtns. 1739 Comment
  CHSC14064  Scutellaria antirrhinoides K. R. Stern 1974-6-22 5821 Modoc W side of Egg Lake. 1295 Comment
  CAS-BOT-BC179215  Scutellaria nana M. Vasey 1990-6-29 9019 Modoc Along S Emerson Trail, near trailhead from N Emerson Lake. 2377 Comment
  HSC81095  Scutellaria nana G. M. Riegel 1980-7-29 971 Modoc S Warner Mtns. 1739 Comment
  JEPS62884  Scutellaria nana Milo S. Baker 1893-6 Modoc near Forestdale Comment
  UC1586968  Scutellaria nana Juha Pykala and D. H. Norris 1987-5-27 1099 Modoc about 1.5 - 2 mi from Highway 299 to Modoc National Forest boundary (Crowder Flat Road); Crowder Flat Road 1499 Comment
  UCR40301  Sedum G. R. Ballmer, G. F. Pratt 1985-7-15 s.n. Modoc Warner Mtns., near the summit of Mount Bidwell 2500 Comment
  UC1567433  Sedum rosea subsp. integrifolium G. Schoolcraft 1989-7-16 1954 Modoc s side Patterson Lake (Warner Mtns.); , s side Patterson Lake 2834 Comment
  CHSC100848  Sedum stenopetalum L. P. Janeway 2008-8-17 9565 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2400 Comment
  JEPS48038  Sedum stenopetalum Mary H. Manning 1907-1 Modoc e side Mt. Bidwell (Twelve-mile Creek); e side Mt. Bidwell, Twelve-mile Creek Comment
  SEINET8552536  Sedum stenopetalum M. J. Williams 1962-7-8 s.n. Modoc N of Cedar Pass. 2134 Comment
  CAS-BOT-BC95615  Sedum stenopetalum subsp. stenopetalum Francis Dorris Payne 1931-6-11 147 Modoc Parker Creek, Warner Mts. 1584 Comment
  SEINET195471  Senecio canus Annie M. Alexander, Louise Kellog 4784 Modoc On north side of Cedar Pass road 1768 Comment
  RSA155790  Senecio eurycephalus P. H. Raven 1962-5-29 17892 Modoc Six miles east of Alturas. Comment
  UCR34707  Senecio fremontii J. A. Harpel 1981-8-6 V 29 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC1192092  Senecio hydrophilus Verne Grant and Irving Schneider 1947-7-23 8165 Modoc near first bridge w of Highway 395 <on> Jones Lane; South Fork of Pit River Comment
  CAS-BOT-BC50255  Senecio integerrimus var. exaltatus Annie Montague Alexander; L. Kellogg 1946-6-5 4663 Modoc Emerson Creek, S of Eagleville, Warner Mountains 2133 Comment
  CAS-BOT-BC50260  Senecio integerrimus var. exaltatus Bruce Bartholomew 1993-6-14 6660 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC50292  Senecio integerrimus var. exaltatus Elmer Ivan Applegate 1932-7-9 7585 Modoc N slope of Bidwell Mountain, Warner Mountains Comment
  JEPS29207  Senecio integerrimus var. exaltatus Lauramay T. Dempster 1961-6-18 1688 Modoc peak just s Cedar Pass Comment
  UC748073  Senecio integerrimus var. exaltatus Annie M. Alexander and Louise Kellogg 1946-6-26 4838 Modoc Dismal Swamp, n end of Warner Mountains Warner Mountains 2255 Comment
  UC748201  Senecio triangularis Annie M. Alexander and Louise Kellogg 1946-7-29 5081 Modoc s slope Eagle Peak (Warner Mountains); , s slope Eagle Peak 2438 Comment
  RSA0011804  Shepherdia argentea Elmer I. Applegate 1932-7-6 8189 Modoc Between Eagleville and Cedarville. Surprise Valley. Comment
  CAS-BOT-BC248314  Sibbaldia procumbens B. Bartholomew; H. Sun 2002-6-24 8855 Modoc Headwaters of Davis Creek, W side of the Warner Mountains 2160 Comment
  HSC75912  Sibbaldia procumbens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19339 Modoc Soup Springs Campground Comment
  CAS-BOT-BC179082  Sidalcea oregana subsp. oregana Annie Montague Alexander; L. Kellogg 1946-6-17 4787 Modoc W side of pass, Cedar Pass road. 1676 Comment
  CAS-BOT-BC179083  Sidalcea oregana subsp. oregana John Thomas Howell 1934-6-30 12286 Modoc Duncan Horse Camp. 1355 Comment
  CHSC112079  Sidalcea oregana subsp. oregana L. P. Janeway; B. Castro 2014-6-2 11308 Modoc Great Basin. Along County Road 1, 1.0 km north of the road to the southwest corner of Cow Head Lake (County Road 5), on the east side of Long Canyon, low in the canyon. 1566 Comment
  UC108917  Sidalcea oregana subsp. oregana Mrs. R. M. Austin Jul 1884 Modoc Goose Lake Valley Comment
  UC748250  Sidalcea oregana subsp. oregana Annie M. Alexander and Louise Kellogg 1946-7-7 4924 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  UC108853  Sidalcea oregana subsp. oregana Mrs. R. M. Austin Modoc Modoc County Comment
  UC71752  Sidalcea oregana subsp. oregana Mrs. M. H. Manning 1892-2 45 Modoc Warner Range Warner Range (north-eastern Modoc County) 1828 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-BC179057  Sidalcea oregana subsp. spicata Annie Montague Alexander; L. Kellogg 1946-7-18 5024 Modoc Benton Meadow. 2072 Comment
  JEPS67273  Sidalcea oregana subsp. spicata Leland S. Smith 1918-8-12 1031 Modoc Camp One s slope South Warner Mts., Modoc Forest, Camp One T38-16 (South Warner Mts., Modoc Forest) 2468 Comment
  UCR131814  Sidalcea oregana subsp. spicata George Willet 1935-6-26 s.n. Modoc Warner Mountains, Jess Valley 1829 Comment
  UC711864  Silene douglasii Roxana S. Ferris and Laura Lorraine 1941-8-14 10610 Modoc on road between Fort Bidwell and Pine Creek (summit of Fandango Pass, Warner Mountains); Modoc National Forest, Warner Mountains, Fandango Pass 1889 Comment
  UC120177  Silene douglasii Mrs. R. M. Austin July, 1887 Modoc Hills Comment
  UC71563  Silene douglasii Mrs. M. H. Manning Aug 27 1903-Sep 5 1904 338 Modoc Tamarack Grove , Mt. Bidwell (Mt. Bidwell, north-eastern Modoc County) Comment
  CAS-BOT-BC95275  Silene oregana Bruce Bartholomew 1989-7-15 5022 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CHSC106340  Sisymbrium altissimum Lowell Ahart; John Dittes 2010-8-30 17078 Modoc Along the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC6905  Sisymbrium altissimum M. T. Milligan 1965-6-26 337 Modoc N end Jess Valley. 1616 Comment
  CDA36795  Sisymbrium altissimum D. B. Joley 1976-6-23 1 Modoc Likely, near Alturas. 0 Comment
  CDA3864  Sisymbrium altissimum T. C. Fuller 1958-7-8 1965 Modoc Corporation Ranch, Likely. 0 Comment
  OBI48154  Sisyrinchium douglasii Rhonda Riggins 1989-4-28 1674 Modoc 0.3 mi W West Warner Rd on parker Creek Rd, W side Warner Mts 1463 Comment
  CAS-BOT-BC245082  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1991-7-5 5941 Modoc North Willow Creek, vicinity of the Oregon border. 1580 Comment
  CAS-BOT-BC245083  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1993-6-12 6608 Modoc Along road between Egg Lake and Lookout. 1300 Comment
  UC1036064  Smilacina racemosa Annie M. Alexander and Louise Kellogg 1946-7-7 4945 Modoc Eight Mile Creek; ne corner Modoc Co. 1752 Comment
  CHSC106204  Solanum dulcamara Lowell Ahart; John Dittes 2010-8-31 17095 Modoc On the south sdie of Ash Creek, about 10 yards west of the bridge, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS117366  Solanum triflorum Lowell Ahart, John Dittes 2010-8-30 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, about 7.2 miles (air) northeast of Bieber, Big Valley 1266 Comment
  UCR131618  Solanum triflorum L. C. Wheeler 1935-9-22 3995 Modoc Warm Springs Valley, Pit River at Rattlesnake Butte 1341 Comment
  CAS-BOT-BC245428  Solanum triflorum Belknap C. Goldsmith 1912-9-1 74 Modoc Modoc County. 1341 Comment
  UCR64879  Solidago canadensis George K. Helmkamp 1990-9-23 H- 2 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  UCD135905  Solidago confinis Herbert L. Mason 1947-8-9 13459 Modoc Ingalls Swamp, north of Big Sage Reservoir, northwest of Alturas. Comment
  JEPS5954  Solidago elongata Frances D. Payne 1933-8-5 768 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC36231  Solidago elongata Mrs. R. M. Austin Aug 1894 Modoc Goose Lake Valley Goose Lake Valley (Northern California) Comment
  CAS-BOT-BC54285  Solidago spectabilis Herbert Louis Mason 1947-8-9 13459 Modoc Ingalls Swamp, N of Big Sage Reservoir. Comment
  CAS-BOT-BC54290  Sonchus asper subsp. asper Bruce Bartholomew 1993-6-13 6646 Modoc Vicinity of hot spring, ca. 0.6 km NE of Leonard Hot Spring, E side of Surprise Valley. 1430 Comment
  CAS-BOT-BC158916  Sorbus scopulina M. S. Baker 1899-8-1 s.n. Modoc Forest Dale Comment
  UC46335  Sorbus scopulina var. cascadensis Frances D. Payne 1931-6-21 230 Modoc Parker Creek, s and e of Alturas (w of Dry Creek); Warner Mountains 1981 Comment
  HSC68274  Sparganium angustifolium J. P. Smith, J. O. Sawyer 1973-8-9 7269 Modoc Blue Lake, Modoc National Forest 1829 Comment
  UCD94836  Sparganium emersum Herbert L. Mason; Verne Grant 1947-7-12 13433 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  CAS-BOT-BC95285  Spergularia rubra Bruce Bartholomew; Barrett Anderson 1988-6-24 4339 Modoc Cave Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC15684  Sphenosciadium capitellatum Bruce Bartholomew 1992-8-9 6380 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  JEPS920  Sphenosciadium capitellatum L. S. Smith 1918-7-15 998 Modoc Mill Cr. Corral , Mill Cr. Corral (Modoc Forest) Comment
  POM82493  Sphenosciadium capitellatum Mrs. R. M. Austin 1895-07 s.n. Modoc Davis Creek Comment
  HSC46164  Spiranthes romanzoffiana J. P. Smith, J. O. Sawyer 1973-8-9 7280 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
  POM69776  Stachys palustris subsp. pilosa R. M. Austin 1895-08 s.n. Modoc Goose Lake Valley Comment
  UC1191923  Stachys palustris subsp. pilosa Verne Grant, Irving Schneider 1947-7-18 8046 Modoc 5 mi n Bayley's Bridge (Eastside Canal, s of Alturas) Comment
  JEPS119558  Stachys rigida var. rigida Lowell Ahart, John Dittes 2012-7-12 18362 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC95290  Stellaria longipes var. longipes Roxana Stinchfield Ferris; R. Duthie 1919-6-14 141 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  UC1523801  Stenotus acaulis Gary Schoolcraft 1981-5-12 391 Modoc SW of Alturas 1493 Comment
  UC830493  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles northeast of Alturas. 1615 Comment
  CAS-BOT-BC54262  Stenotus stenophyllus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16377 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 mi. N of Alturas Comment
  JEPS29181  Stenotus stenophyllus Lauramay T. Dempster 1961-6-18 1687 Modoc Peak just south of Cedar Pass Comment
  SEINET3125081 Image available Stephanomeria lactucina Richard R. Halse 2006-8-4 6998 Modoc Along Patterson Mill Road ca. 4 miles southwest of its junction with Surprise Valley Road, east side of the southern Warner Mountains; Modoc National Forest. 2097 Comment
  RSA531364  Stephanomeria spinosa Bruce Bartholomew, B. Anderson 1990-7-21 5566 Modoc N Barber Creek, road to Surprise Valley to Patterson Ranger Station, E side of Warner Mtns. 1710 Comment
  CAS-BOT-BC95049  Streptanthella longirostris Bruce Bartholomew 1991-5-24 5702 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  POM260726  Streptanthus cordatus Alice Eastwood, J. T. Howell 1940-6-13 8138 Modoc West side of Fandango Pass. Comment
  JEPS27076  Streptanthus cordatus Frances D. Payne 1931-6-21 223 Modoc e exposure at base of cliffs on ridge west of Dry Creek (tributary of Parker Creek) (s and e of Alturas); Warner Mountains 1981 Comment
  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
  UC748373  Streptanthus cordatus Annie M. Alexander and Louise Kellogg 1946-6-22 4815 Modoc 3 mi above Fort Bidwell; Bidwell Creek Comment
  CAS-BOT-BC95066  Streptanthus cordatus var. cordatus Bruce Bartholomew 1990-6-17 5342 Modoc W side of Fandango Pass near the summit, Warner Mountains. Comment
  UC429277  Streptopus amplexifolius var. americanus Franklin P. Nutting 1894-8-15 Modoc Taylor Creek Comment
  CAS-BOT-BC95575  Suaeda calceoliformis Thomas C. Fuller 1964-10-8 12696 Modoc N side of levee road across S end of Goose Lake, ca. 5 mi. W of Davis Creek. Comment
  UC1562588  Swertia albicaulis Barbara Ertter 1988-6-18 7620 Modoc ca 50 air mi sw Klamath Falls (Hwy 139, a few mi n of Agric. Inspection Station, 1 mi s of s jct of Lava Beds National Monument, e of Tonesta) 1310 Comment
  CAS-BOT-BC180100  Swertia albicaulis var. albicaulis James Vale; et al 1981-5-23 4129 Modoc 2 mi. W of Lookout. Comment
  CAS-BOT-BC180101  Swertia albicaulis var. albicaulis John Thomas Howell 1934-6-30 12294 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC180112  Swertia albicaulis var. albicaulis Bruce Bartholomew 1991-6-20 5776 Modoc Junction of county roads 87 and 90. 1220 Comment
  CHSC111994  Swertia radiata B. Castro; L. P. Janeway 2008-8-17 1749 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope near upper edge of last row of trees. 2308 Comment
  HSC8428  Swertia radiata M. T. Milligan 1967-7-8 661 Modoc W slope of Eagle Peak 2439 Comment
  CAS-BOT-BC95202  Symphoricarpos rotundifolius var. rotundifolius Bruce Bartholomew; Barrett Anderson 1988-7-21 4425 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  LA203052  Symphyotrichum ascendens M. S. Baker; August 1898 524 Modoc Forest Dale Comment
  UC912525  Symphyotrichum bracteolatum F. H. Frost 1925-7-24 119 Modoc Jess Valley Warner Mts. Comment
  UC1192166  Symphyotrichum bracteolatum Verne Grant and Irving Schneider 1947-8-28 8332 Modoc nw of, at Jack Swamp Alturas Comment
  CHSC112824  Symphyotrichum campestre Lowell Ahart; John Dittes 2013-7-25 18950 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  HSC5072  Symphyotrichum campestre M. T. Milligan 1966-7-29 604 Modoc Slopes and ridges E of Jess Valley 1982 Comment
  UC748365  Symphyotrichum foliaceum Annie M. Alexander and Louise Kellogg 1946-7-12 4987 Modoc Twelve Mile Creek, ne corner of county Twelve Mile Creek Comment
  CAS-BOT-BC15151  Symphyotrichum foliaceum var. parryi Bruce Bartholomew; Barrett Anderson 1988-7-23 4591 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  UC1192072  Symphyotrichum frondosum Verne Grant and Irving Schneider 1947-8-27 8317 Modoc southwest end of Clear Lake Comment
  UC86960  Symphyotrichum frondosum Mrs. R. M. Austin 1885-6-1 Modoc Goose Lake Valley Comment
  CAS-BOT-BC15168  Symphyotrichum spathulatum var. spathulatum L. S. Smith 1919-8-18 1134 Modoc Ash Valley, Modoc National Forest 1463 Comment
  CAS-BOT-BC15173  Symphyotrichum spathulatum var. spathulatum Annie Montague Alexander; L. Kellogg 1946-7-13 4991 Modoc Cowhead Lake. Comment
  CAS-BOT-BC15176  Symphyotrichum spathulatum var. spathulatum E. S. Willits 1939-10-10 167 Modoc Surprise Valley. 1371 Comment
  RSA339137  Taeniatherum caput-medusae Margaret J. Williams 1984-6-30 84- 75 -3 Modoc 27.4 miles north of Cedar Pass Road on highway 395. 1296 Comment
  UCD86165  Taeniatherum caput-medusae T. C. Fuller 1959-7-8 2742 Modoc roadside hillslope, Hwy 299, 8 miles west of Alturas. Comment
  UC748416  Taraxia subacaulis Annie M. Alexander and Louise Kellogg 1946-6-26 4831 Modoc Dismal Swamp north end of Warner Mountains 2255 Comment
  JEPS127308  Taraxia tanacetifolia Lowell Ahart, John Dittes 2016-7-14 21177 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
  SJSU13874  Taraxia tanacetifolia N. A. Hopkins 1985-5-13 1268 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
Read comments
Mar 25 2016
  JEPS31731  Taraxia tanacetifolia L. S. Smith 1918-5-16 926 Modoc w of Alturas (Centerville Road); Modoc Forest 1524 Comment
  CAS-BOT-BC54234  Tetradymia canescens Bruce Bartholomew; Barrett Anderson 1990-7-21 5565 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  UCR138266  Thalictrum fendleri David A. Charlet 1989-8-14 485 Modoc Warner Mtns, 1.4 km NW of Eagle Peak 2550 Comment
  POM203963  Thalictrum fendleri J. T. Howell 1934-6-14 12118 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  POM260443  Thalictrum occidentale var. palousense C. L. Hitchcock 1940-5-27 6704 a Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC95074  Thelypodium flexuosum Bruce Bartholomew 1991-5-24 5696 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  NY215470  Thelypodium flexuosum B. M. Bartholomew 1991-5-24 5696 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  CHSC85174  Thelypodium howellii subsp. howellii John Dittes; Josephine Guardino 1991-7-21 384 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
  JEPS54067  Thelypodium howellii subsp. howellii Baker and Nutting 1894-6-29 Modoc Big Valley Comment
  NY746808  Thelypodium howellii var. howellii N. H. Holmgren 1998-5-30 12996 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-BC95078  Thelypodium milleflorum Bruce Bartholomew 1993-6-13 6632 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC181794  Thermopsis californica var. argentata Leland S. Smith 1920-6-17 5 A Modoc N end of Egg Lake. 1310 Comment
  CAS-BOT-BC181797  Thermopsis californica var. argentata Leland S. Smith 1924-6-3 1360 Modoc Modoc County. Comment
  JEPS114433  Thermopsis californica var. argentata Lowell Ahart, John Dittes 2008-8-26 15333 Modoc On the sides of an unnamed road, 200 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  POM16961  Thermopsis californica var. argentata Milo S. Baker 1899-8-14 s.n. Modoc Forestdale Comment
  UC16383  Thermopsis californica var. argentata M. S. Baker and Frank Nutting June 1894 Modoc near Egg Lake Comment
  CHSC96350  Thinopyrum intermedium Richard R. Halse 2006-8-3 6993 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 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
  JEPS114352  Thlaspi arvense Lowell Ahart, John Dittes 2008-6-21 15004 Modoc About 30 yards west of the levee, along a deep natural drainage, open meadow area, 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
  UCD115583  Thlaspi arvense Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch. Comment
  CAS-BOT-BC95088  Thysanocarpus curvipes Francis Dorris Payne 1932-6-10 633 Modoc Parker Creek. 1584 Comment
  NY1083232  Tiquilia nuttallii B. M. Bartholomew 1989-6-2 4830 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  UCD93229  Torreyochloa pallida var. pauciflora R. Tofsrud 1947-7-1 252 Modoc 5 miles west of Ft. Bidwell. 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
  SEINET7972666  Trichostema simulatum M. J. Williams 1985-8-13 85- 66 -4 Modoc Big Sage Reservoir, NW of Alturas 1524 Comment
  CAS-BOT-BC181791  Trifolium andersonii var. andersonii R. M. Austin 1898-7-1 2292 Modoc Goose Lake fields. Comment
  JEPS20027  Trifolium cyathiferum L. S. Smith 1917-7-24 128 Modoc Joseph Creek Warner Mtns 1676 Comment
  UC16471  Trifolium cyathiferum Mrs. R. M. Austin July, 1894 Modoc Goose Lake Comment
  CAS-BOT-BC181748  Trifolium longipes E. S. Willits 1940-5-17 263 Modoc Willow Ranch.