Search Results — 2000 specimen records retrieved (1482 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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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC15630  Achillea millefolium Bruce Bartholomew; Barrett Anderson 1988-6-24 4362 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  CAS-BOT-BC15637  Achillea millefolium Bruce Bartholomew; Barrett Anderson 1988-7-21 4432 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC242286  Achnatherum Leland S. Smith 1924-5-31 1352 Modoc S of field, Egg Lake Ranch. Comment
  CAS-BOT-BC242284  Achnatherum hymenoides Bruce Bartholomew 1991-6-22 5848 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  UC821972  Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi n Alturas (near Surprise) 1402 Comment
  UCD32707  Achnatherum lemmonii Beecher Crampton 1954-7-7 2134 Modoc Modoc County, west side of Cedar Pass. Comment
  UCD50579  Achnatherum lemmonii L. Whitney 1935-5-26 3156 a Modoc Ash Creek, 10 miles E of Adin. Comment
  UCD50646  Achnatherum lemmonii L. Whitney 1935-6-1 3170 Modoc 1 mile southwest of White Horse. Modoc County. Comment
  UCD50647  Achnatherum lemmonii Beecher Crampton; with Carl Rimbey 1954-7-6 2115 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  UC1037190  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-23 3554 Modoc 15 mi w Canby (Happy Camp); Modoc National Forest 1463 Comment
  CAS-BOT-BC242312  Achnatherum thurberianum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16438 Modoc 4 mi. E of summit of Cedar Pass along Cedar Pass road. Comment
  UCD51426  Achnatherum thurberianum L. Whitney 1935-7-2 3333 Modoc Badger Wells, 17 miles northwest of Canby. Comment
  UCD51430  Achnatherum thurberianum Beecher Crampton 1962-5-7 - 26 Modoc 3 miels west of Cedarville. Comment
Read comments
May 12 2013
  RSA0037176  Acmispon americanus var. americanus Lowell A. Ahart, John Dittes 2012-7-12 18354 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1295 Comment
  CHSC115598  Acmispon denticulatus Lowell Ahart; John Dittes 2015-7-16 20389 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
  UC465629  Aconitum Mrs. M. H. Manning 1907-1 Modoc e. side Mt. Bidwell (12 Mile Creek); n.e. Modoc Co., 12 Mile Creek Comment
  RSA604722  Aconitum columbianum var. columbianum Louis C. Wheeler 1935-8-14 3853 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  CAS-BOT-BC15640  Adenocaulon bicolor Bruce Bartholomew; Barrett Anderson 1988-7-21 4441 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  POM174164  Adenocaulon bicolor Milo S. Baker 1893-1 s.n. Modoc Modoc County Comment
  UC29325  Adenocaulon bicolor Milo S. Baker 1893-6 Modoc along timbered mt. stream Comment
  UCR248240  Adonis aestivalis CDFA Staff 1978-1 s.n. Modoc One mi east of Canby. 1310 Comment
  CDA36051  Adonis aestivalis CDFA Staff 1978-1 Modoc One mile east of Canby. 0 Comment
  UCLA72420  Agastache urticifolia Frances D. Payne 1932-6-26 607 Modoc Parker Creek 1828 Comment
  UCR34491  Agastache urticifolia J. A. Harpel 1981-8-7 V- 48 Modoc Warner Mtns, South Warner Wilderness Area: Pine Creek Basin Trail, 7 mi NW of Eagleville 2652 Comment
  UCD124935  Agastache urticifolia Verne Grant; Irving Schneider 1947-7-22 8158 Modoc headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  CAS-BOT-BC15647  Ageratina occidentalis Frederick H. Frost 1925-7-20 91 Modoc Cedar Camp, 2 mi. above Cedarville. Comment
  UC711871  Agoseris X dasycarpa Roxana S. Ferris and Laura Lorraine 1941-8-14 10576 Modoc 3 mi from, on rd to Eagleville Patterson Ranger Station; Modoc National Forest, Warner Mountains Comment
  UC450127  Agoseris glauca var. glauca Milo S. Baker 1893-6 Modoc near Egg Lake; ; near Egg Lake, Modoc Co. Comment
  HSC4605  Agoseris monticola M. T. Milligan 1965-6-26 333 Modoc N end Jess Valley. 1616 Comment
  HSC5996  Agoseris monticola M. T. Milligan 1966-6-19 644 Modoc Plateau W of Jess Valley 1829 Comment
  HSC6040  Agoseris monticola M. T. Milligan 1964-7-25 185 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC126784  Agoseris parviflora Isabel T. Kelly 1930-1-1 58 Modoc unspecified Comment
  CAS-BOT-BC242305  Agropyron cristatum Bruce Bartholomew; Barrett Anderson 1988-7-21 4448 Modoc Dry hillside, SW side of Jess Valley, Warner Mts.. 1540 Comment
  SD61031  Agropyron cristatum Darley F. Howe 1964-8-2 Modoc Vacant lot, Alturas. 1280 Comment
  UC2043251  Agropyron cristatum subsp. pectinatum Barbara Ertter 1995-7-1 14456 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  RSA218776  Agropyron desertorum R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39089 Modoc Pit River, N of Alturas 1341 Comment
  UC1100110  Agrostis alba Verne Grant and Irving Schneider 1947-7-21 8131 Modoc by bridge on Highway 395 (n of Alturas); North Fork of Pit River Comment
  UC1137134  Agrostis alba August L. Hormay 1932-7-15 Modoc Crowder Ranger Stationi Modoc National Forest, Crowder Ranger Station Comment
  UC1137135  Agrostis alba August L. Hormay 1932-7-15 Modoc Pease Cabin Modoc National Forest, Pease Cabin Comment
  HSC8787  Agrostis exarata M. T. Milligan 1966-7-26 585 Modoc N end Jess Valley 1616 Comment
  JEPS123866  Agrostis exarata Lowell Ahart, John Dittes 2015-7-16 20394 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS68387  Agrostis exarata L. S. Smith 1917-7-27 124 Modoc Joseph Creek Warner Mts. 1584 Comment
  UCD52346  Agrostis exarata August L. Hormay 1932-7-15 s.n. Modoc Pease Cabin, Modoc National Forest. Comment
  UCD52379  Agrostis exarata L. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  JEPS124381  Agrostis gigantea Lowell Ahart, John Dittes 2015-7-16 20370 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  POM203129  Agrostis pallens J. T. Howell 1934-7-3 12377 Modoc 5 miles S of Hackamore Comment
  UC375457  Agrostis scabra Franklin P. Nutting 1894-8-25 Modoc Forestdale Comment
  UC53473  Agrostis scabra M. S. Baker and F. Nutting 1894-8-25 Modoc near Forestdale 1371 Comment
  HSC80912  Agrostis variabilis G. M. Riegel 1980-8-5 988 Modoc S Warner Mountains 2100 Comment
  RSA531345  Aliciella lottiae Bruce Bartholomew, B. Anderson 1989-6-2 4837 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC190680  Aliciella micromeria Bruce Bartholomew; Barrett Anderson 1989-6-2 4835 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  RSA531344  Aliciella micromeria Bruce Bartholomew, B. Anderson 1989-6-2 4820 Modoc SE corner of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  POM313033  Alisma gramineum H. L. Mason 1955-8-13 14653 -B Modoc Southwest side of Goose Lake Comment
  UC1100158  Alisma plantago-aquatica Herbert L. Mason 1955-8-13 14651 B Modoc s end Goose Lake Comment
  UC985650  Alisma plantago-aquatica Herbert L. Mason 1947-8-15 13559 Modoc 11 mi from Davis Creek (spring leading into w side of Goose Lake); Goose Lake Comment
  JEPS127311  Alisma triviale Lowell Ahart, John Dittes 2016-7-14 21200 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
  HSC81150  Allium acuminatum G. M. Riegel 1980-7-31 941 Modoc South Warner Mtns. 1739 Comment
  UC1178813  Allium acuminatum Herbert L. Mason 1947-7-8 13321 Modoc Cedar Pass, summit of Warner Mountains Warner Mountains, Cedar Pass 1921 Comment
  JEPS47577  Allium acuminatum F. H. Frost 1925-7-12 65 Modoc Stow's Meadow Cedar Canyon, Stow's Meadow Comment
  SEINET12048088  Allium acuminatum Unknown 1945-1 Modoc Comment
  SEINET256828  Allium acuminatum M. J. Williams 1984-1 Modoc 0 Comment
  HSC29863  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19493 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 Comment
  UCD141853  Allium bisceptrum Beecher Crampton 1960-6-17 5693 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles northeast Happy Camp Station. 1280 Comment
  CAS-BOT-BC244987  Allium lemmonii James Vale; et al 1981-5-23 4111 Modoc On White Horse Road enroute to Egg Lake from Lookout. 1252 Comment
  SEINET8122357  Allium lemmonii M. J. Williams 1984-6-28 84- 67 -1 Modoc 2 miles N of intersection between Soldier Creek and Old Cannon Mill Roads. 2057 Comment
  CAS-BOT-BC244964  Allium platycaule Gordon H. True 1964-6-3 1456 Modoc N Fork of Pit River between Alturas and Goose Lake. 1432 Comment
  CAS-BOT-BC244966  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 mi. NE of Alturas. 1615 Comment
  POM204114  Allium platycaule J. T. Howell 1934-6-11 11920 Modoc Parker Creek, Warner Mts. 1585 Comment
  SEINET201568  Allium platycaule Unknown 1959-6-20 8523 Modoc Cedarbille pass; Warner Mts. between Cedarville and Alturas. 1951 Comment
  UC1540228  Allium platycaule Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9101 Modoc along Highway 395 about 3.5 mi n n junction with Highway 299 1371 Comment
  UC1585398  Allium platycaule R. Raiche and K. Zadnik 1989-7-4 90182 Modoc near Oregon border; Warner Mts., Dismal Swamp area 2010 Comment
  UC619269  Allium platycaule J. and H. W. Grinnell 1938-6-16 1111 Modoc Cedar Pass Summit Warner Mountains, Cedar Pass Summit 1935 Comment
  CAS-BOT-BC244949  Allium validum Bruce Bartholomew; Barrett Anderson 1988-7-23 4585 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  CHSC30630  Alopecurus Sandra C. Morey 1980-4-26 75 Modoc Hwy. 299, ca. 0.1 mi. n of jctn. with Hwy 139 at Adin. In ditch along roadside. 1280 Comment
  UCD55835  Alopecurus aequalis Beecher Crampton; Carl Rimbey 1954-7-8 2173 Modoc 15 miles east of Likeley, Warner Mountains, floor of Jess Valley. Comment
  JEPS114845  Alopecurus pratensis Lowell Ahart, John Dittes 2008-6-21 14988 Modoc On dry soil, about 10 yards north of a large culvert, on the large levee mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  CHSC67144  Alopecurus saccatus James D. Jokerst 1987-5-11 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1353 Comment
  SEINET8075446  Alyssum simplex Noel H. Holmgren, Patricia K. Holmgren 1998-5-30 12993 Modoc Surprise Valley, Fort Bidwell-Cedarville road, 1.8 km (1.1 mi) south of the Fandango Pas road and 31.2 km (19.4 mi) north of downtown Cedarville.; 0 1370 Comment
  UC1584001  Alyssum simplex G. Schoolcraft 1990-6-6 2078 Modoc about 10 mi n of Alturas (near Joseph Creek) 1447 Comment
  CHSC113818  Amaranthus blitoides Richard R. Halse 2010-9-2 8110 Modoc Warner Mountains; Modoc National Forest; along State Hwy. 299 ca. 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead. 1619 Comment
  SEINET3871799  Amaranthus blitoides Richard R. Halse 2010-9-2 8110 Modoc Warner Mountains; Modoc National Forest; along State Hwy. 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead.; 0 1619 Comment
  UC1191390  Amaranthus californicus Herbert L. Mason 1947-8-8 13461 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas. Comment
  CDA13478  Amaranthus powellii G. F. Hrusa, T. D. Wilfred 1996-7-21 13325 Modoc Modoc Plateau; Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  UC71785  Ambrosia acanthicarpa Mrs. M. H. Manning 1904-1-1 393 Modoc near(?) Fort Bidwell Comment
  RSA453135  Amelanchier pallida Christopher Davidson 1975-6-3 2588 Modoc Hwy 395N of Alturas, E of Goose l. 1 miles S of Willow Ranch. 1341 Comment
  POM91701  Amelanchier pumila R. M. Austin 1895-1 457 Modoc Goose Lake Valley Comment
Read comments
Sep 5 2010
  CAS-BOT-BC214637  Amelanchier utahensis Belknap C. Goldsmith 1911-5-9 8 Modoc Fandango Creek, W slope Warner Mts. 1584 Comment
  CAS-BOT-BC217094  Amelanchier utahensis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16415 Modoc Mountainside near summit of Cedar Pass, between Alturas and Cedarville. Comment
  CAS-BOT-BC217100  Amelanchier utahensis John Thomas Howell 1934-6-12 12040 Modoc N side of Fandango Valley. Comment
  CAS-BOT-BC248336  Amelanchier utahensis B. Bartholomew; H. Sun 2002-6-24 8816 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  CAS-BOT-BC54151  Amsinckia menziesii Annie Montague Alexander; L. Kellogg 1946-6-12 4727 Modoc 1 mi. E of Lake City. 1414 Comment
  CAS-BOT-BC54199  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1940-6-13 8108 Modoc Surprise Valley. Comment
  SJSU9646  Amsinckia tessellata W. Savage 1979-7-8 1479 Modoc W side Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC54159  Amsinckia tessellata var. tessellata Alice Eastwood; John Thomas Howell 1940-6-13 8162 Modoc Fort Bidwell. Comment
  CAS-BOT-BC54165  Amsinckia tessellata var. tessellata Alice Eastwood; John Thomas Howell 1940-6-14 8203 Modoc Near Kelly Hot Spring. Comment
  CAS-BOT-BC15605  Ancistrocarphus filagineus Alice Eastwood; John Thomas Howell 1940-6-15 8298 Modoc 5 mi. N of Lookout. Comment
  CAS-BOT-BC15609  Ancistrocarphus filagineus Bruce Bartholomew 1990-6-18 5382 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  HSC80752  Anemone drummondii G. M. Riegel 1979-7-24 602 Modoc S Warner Mtns., plot 124 1829 Comment
  HSC4656  Antennaria argentea M. T. Milligan 1965-6-27 349 Modoc E slope of eroded volcanic plateau. 1677 Comment
  JEPS33937  Antennaria argentea Milo S. Baker 1893-7-6 Modoc Comment
  SEINET6735044 Image available Antennaria argentea M. J. Williams 1984-6-29 84- 72 -2 Modoc Cave Lake, west side of the Warner Mountains. 2134 Comment
  CAS-BOT-BC15579  Antennaria dimorpha Bruce Bartholomew; Barrett Anderson 1989-4-27 4609 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  SEINET9367775  Antennaria flagellaris Unknown 2000-6-1 1358 Modoc Modoc Comment
  CAS-BOT-BC15588  Antennaria geyeri John Thomas Howell 1934-6-30 12255 Modoc Duncan Horse Camp. 1355 Comment
  UC585088  Antennaria luzuloides E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1842 Modoc summit of Cedar Pass; Warner Mts. 1910 Comment
  CAS-BOT-BC15598  Antennaria luzuloides John H. Hatton 1911-6-22 143 Modoc Modoc County. 1615 Comment
  POM261370  Antennaria luzuloides H. C. Cantelow 1940-6-2 s.n. Modoc 9.3 miles NW of Gray Canby, Lava country Comment
  RSA0049629  Antennaria luzuloides subsp. aberrans Dean Wm. Taylor 2012-6-5 21218 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  CHSC66984  Antennaria luzuloides subsp. luzuloides James D. Jokerst 1987-5-11 2836 Modoc Radar Survey site S of Doublehead Mtn., S of Clear Lake Reservoir, W of dry lake, ca. 0.33 mi to end of dirt road, then ca. 200 ft. N. 1353 Comment
  UC748163  Antennaria rosea Annie M. Alexander and Louise Kellogg 1946-7-11 4973 Modoc w of Eight Mile Creek Comment
  CAS-BOT-BC15558  Antennaria rosea subsp. rosea Annie Montague Alexander; L. Kellogg 1946-7-11 4973 Modoc Mesa W of Eight Mile Creek. Comment
  CHSC100357  Anthemis cotula Lowell Ahart; John Dittes 2008-8-26 15356 Modoc Southeast side of Rose Creek, 700 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2710 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CHSC107343  Apera interrupta Lowell Ahart; John Dittes 2011-6-22 17549 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
  JEPS114837  Apera interrupta Lowell Ahart, John Dittes 2008-6-21 14995 Modoc On damp soil, along the edge of the dying pond, north of the large culvert, east side of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of 1255 Comment
  RSA0059602  Apera interrupta Lowell Ahart, John Dittes 2011-6-21 17520 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC15692  Apocynum androsaemifolium K. Paulson; Robert Paulson 1989-7-2 167 Modoc N side of the Pit River ca. 3 mi. E of County Rte. 91. 1578 Comment
  HSC27369  Apocynum androsaemifolium D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19515 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC22911  Apocynum androsaemifolium Mrs. R. M. Austin Aug. 1894 Modoc Lassen Creek Comment
  CAS-BOT-BC15693  Apocynum androsaemifolium Leland S. Smith 1924-6-15 1401 Modoc Vicinity of Lava Ranger Station. 1310 Comment
  UC748273  Apocynum androsaemifolium Annie M. Alexander and Louise Kellogg 1946-7-17 4997 Modoc e. slope Warner Mts., Cedar Pass e. slope Warner Mts., Cedar Pass (w. slope as well) Comment
  UC22898  Apocynum cannabinum Mrs. R. M. Austin and Bruce 1898-7-1 2336 Modoc Middle Lake Comment
  CAS-BOT-BC218348  Aquilegia formosa var. formosa Bruce Bartholomew; Barrett Anderson 1988-7-21 4440 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  UC10399 Image available Arabis davidsonii Mrs. C. C. Bruce Jun 1892 2250 Modoc Lake City mt Comment
  HSC81060  Arabis divaricarpa G. M. Riegel 1980-8-9 1026 Modoc S Warner Mtns. 1670 Comment
  HSC81078  Arabis drummondii G. M. Riegel 1980-8-11 1026 Modoc S Warner Mtns. 2100 Comment
  RSA271901  Arabis puberula Christopher Davidson 1975-6-4 2605 Modoc 2.2 miles east of Highway 395 on highway 299 towards Cedarville 1494 Comment
  RSA152602  Arabis puberula I. L. Wiggins, Dorothy Wiggins 1961-6-12 16378 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  SEINET5340682  Arabis puberula R. C. Rollins, K. W. Rollins 1981-6-1 81192 Modoc Warner Mountains, 3.3 miles west of Lake City. Comment
  CAS-BOT-BC95642  Arctostaphylos nevadensis Bruce Bartholomew 1990-6-17 5354 Modoc 12 km N of Buck Creek Ranger Station, E side of Warner Mountains. 2130 Comment
  SEINET2149921  Arctostaphylos nevadensis K. T. Harper 1974-1 131 Modoc Warner Mountains, Mt. Bidwell road. 2134 Comment
  UC748234  Arctostaphylos nevadensis Annie M. Alexander and Louise Kellogg 1946-6-25 4828 Modoc on road leading down to Dismal Swamp (n end of mts.); Warner Mountains 2255 Comment
  CAS-BOT-BC248334  Arctostaphylos patula B. Bartholomew; H. Sun 2002-6-24 8814 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  CAS-BOT-BC95660  Arctostaphylos patula Bruce Bartholomew 1989-7-15 5021 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  RSA165439  Arenaria aculeata Clare B. Hardham 1961-6-18 7581 Modoc Cedar Pass. 1829 Comment
  JEPS51415  Arenaria congesta var. congesta L. S. Smith 1917-7-17 82 Modoc Warner Mts.,Grange Mill 1828 Comment
  RSA602821  Aristida oligantha L. C. Wheeler 1935-9-6 3959 Modoc Fletcher Creek at Pease Place. Devil's Garden. 1524 Comment
  JEPS35869  Arnica chamissonis Frances D. Payne 1931-6-20 204 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC748078  Arnica chamissonis Annie M. Alexander and Louise Kellogg 1946-7-7 4926 Modoc meadow near, (ne corner of county) Willows; Eight Mile Creek 1752 Comment
  CAS-BOT-BC15568  Arnica chamissonis subsp. foliosa K. Paulson; Robert Paulson 1989-7-18 193 Modoc Vicinity of Granger Creek, E side of Warner Mts. 2042 Comment
  CAS-BOT-BC15571  Arnica chamissonis subsp. foliosa Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10570 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  CAS-BOT-BC15406  Arnica cordifolia Francis Dorris Payne 1929-7-26 113 Modoc Pine Creek Basin. 2316 Comment
  JEPS120508  Arnica cordifolia B. Castro and L. P. Janeway 2012-7-24 1949 Modoc Warner Mountains. Flat ridgetop near Sunshine and Moonlight Mines, along Road 48N21 ca 1 air mi SW of Dismal Swamp. Comment
  POM203854  Arnica cordifolia J. T. Howell 1934-6-13 12064 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  SEINET6775021 Image available Arnica cordifolia A. M. Alexander, L. Kellogg 1946-6-5 4668 Modoc Emerson Creek, south of Eagleville, Warner Mountains 1981 Comment
  UC726188  Arnica fulgens A. A. Heller 1941-6-26 16266 Modoc Adin Pass 1577 Comment
  CAS-BOT-BC15284  Arnica longifolia Alice Eastwood; John Thomas Howell 1940-6-12 8075 Modoc Between Likely and Jess Valley. 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
  SEINET2164562  Artemisia arbuscula subsp. arbuscula A. A. Beetle 1957-8-16 12 , 915 Modoc 15 miles south of Alturas Comment
  RSA607261  Artemisia cana L. C. Wheeler 1935-8-16 3866 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC15254  Artemisia cana subsp. bolanderi John H. Hatton 1911-6-20 129 Modoc Modoc County. 1524 Comment
  UC711824  Artemisia cana subsp. bolanderi Roxana S. Ferris and Laura Lorraine 1941-8-13 10566 Modoc about 1 mi e Patterson Ranger Station (East Creek); Modoc National Forest, Warner Mountains, East Creek Comment
  HSC65614  Artemisia douglasiana Thomas Wood 1979-8-11 250 Modoc 4 mi. S of Fort Bidwell on Co. Hwy. 1 1396 Comment
  SEINET195633  Artemisia ludoviciana Annie M. Alexander, Louise Kellogg 1946-7-6 4912 Modoc 3.5 miles east of Eagleville Comment
  SEINET8253630  Artemisia ludoviciana Richard R. Halse 2006-8-4 6994 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  JEPS108113  Artemisia ludoviciana subsp. candicans Anthony B. Walters 2005-9-28 Modoc Brokenera Ranch 1 mi S of New Pine Creek on E side of Hwy 395, near pond on W base of Warner Mountains. Comment
  RSA504654  Artemisia ludoviciana subsp. incompta Bruce Bartholomew, B. Anderson 1988-7-23 4592 Modoc Pine Creek, 4 km E of U. S. Highway 395 on the road to Lily Lake, Warner Mountains. 1620 Comment
  CAS-BOT-BC15264  Artemisia ludoviciana subsp. ludoviciana Bruce Bartholomew 1992-8-10 6401 Modoc Rush Creek just N of Round Valley on Highway 299. 1350 Comment
  CHSC105977  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; John Dittes 2010-8-30 17050 Modoc High bank of a small wash, about 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS124305  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2015-7-15 20343 Modoc Ash Creek State Wildlife Area about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber Big Valley. Comment
  UC29669  Artemisia ludoviciana subsp. ludoviciana Mrs. R. M. Austin 1895-7-1 Modoc Davis Creek Comment
  CAS-BOT-BC15206  Artemisia tridentata subsp. tridentata Robert Patterson; Mona Bourell 1993-8-15 5245 Modoc South Warner Wilderness Area. Warner Mountains. 2743 Comment
  HSC1978  Asclepias cordifolia M. T. Milligan 1965-6-30 392 Modoc E of Jess Valley 1677 Comment
  CAS-BOT-BC15652  Asclepias cordifolia Leland S. Smith 1398 Modoc Modoc County. Comment
  CAS-BOT-BC15653  Asclepias cordifolia Robert Folger Thorne; C. W. Tilforth 1969-9-5 39152 Modoc Near Pine Creek Falls. 1752 Comment
  JEPS49947  Asclepias fascicularis L. S. Smith 1918-8-13 1034 Modoc below Lost Lake; Modoc National Forest 1524 Comment
  POM76189  Asclepias speciosa Mrs. R. M. Austin s.n. Modoc Goose Lake Valley Comment
  CDA18402  Asperugo procumbens G. D. Barbe, P. Hiatt & M. Keffer 1980-6-4 2802 Modoc Modoc Plateau; Eastside Canal/ Railroad crossing on Westside Road, north of Likely. 1341 Comment
  CDA7120  Asperugo procumbens T. Briles 1932-6-3 Modoc Alturas. 0 Comment
  POM312494  Aster occidentalis H. L. Mason 1947-8-9 13480 Modoc East side of Fairchild Swamp, north of Alturas Comment
  RSA750620  Astragalus bolanderi R. M. Austin 1898-07 198 Modoc Shore Goose Lake. Comment
  JEPS120893  Astragalus curvicarpus var. curvicarpus Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18761 Modoc About 300 yards E of Parking Area, E of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  CAS-BOT-BC182065  Astragalus filipes John Thomas Howell 1934-6-12 11986 Modoc Surprise Station. Comment
  CAS-BOT-BC182073  Astragalus filipes James D. Jokerst 1983-5-31 1805 Modoc Near Signal Butte. 1340 Comment
  CHSC117053  Astragalus filipes Lowell Ahart; John Dittes 2016-6-6 20948 Modoc About 120 yards west of the dirt road, about 150 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  NY658508  Astragalus filipes W. P. Taylor 1910-6-10 s.n. Modoc Warner Mts.,among sage, on South Fork Pitt River, Alturas 1402.1 Comment
  POM24441  Astragalus filipes R. M. Austin 1895-06 s.n. Modoc Goose Lake Valley. 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
  CAS-BOT-BC182059  Astragalus inversus Leo David Whitney 1933-8-18 1936 Modoc Near Poison Lake. 1828 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
  CAS-BOT-BC182051  Astragalus malacus Bruce Bartholomew 1991-5-24 5713 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  JEPS54742  Astragalus malacus L. S. Smith 1919-5-3 1084 Modoc near Fitzhugh Creek (Warner Mts.); , near Fitzhugh Creek Comment
  SJSU9576  Astragalus obscurus W. Savage 1979-7-3 1330 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC182026  Astragalus purshii M. M. Hanna 1956-6-5 Modoc Cedar Pass. Comment
  CAS-BOT-BC182036  Astragalus purshii Leland S. Smith 1919-5-3 1084 Modoc Plateau, road to Jess Valley. 1524 Comment
  CAS-BOT-BC182024  Astragalus purshii J. F. Emmel 1968-7-16 84 Modoc NW slope of Mt. Bidwell, Warner Mts. 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
  SEINET3134681  Astragalus purshii var. lagopinus L. S. Rose 1940-6-14 40583 Modoc Mammoth Cave, 5 mi W of Perez 1280 Comment
  CAS-BOT-BC193030  Astragalus purshii var. tinctus Robert J. Weatherby 1955-7-8 1636 Modoc 3 miles north of Ft. Bidwell, northern Warner Mts. 1554 Comment
  NY694435  Astragalus purshii var. tinctus Mrs. M. H. Manning 05 1907 715 Modoc Warner Range, east side Comment
  RSA25341  Astragalus stenophyllus C. L. Hitchcock 1940-5-27 6650 Modoc 9 miles northeast of Alturas. 1402 Comment
  SBBG22277  Astragalus whitneyi C. B. Hardham 1961-6-18 7578 Modoc S of Cedar Pass 1981 Comment
  NY696556  Astragalus whitneyi var. confusus B. M. Bartholomew 1988-6-25 4375 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  NY696559  Astragalus whitneyi var. confusus J. M. Gillett 1964-6-8 12634 Modoc 2 miles south of Likely Comment
  CAS-BOT-BC182003  Astragalus whitneyi var. lenophyllus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16525 Modoc 6.4 mi. W of Canby. Comment
  CAS-BOT-BC182011  Astragalus whitneyi var. lenophyllus Clare Butterworth Hardham 1961-6-18 7578 Modoc Mountains S of Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC30205  Athyrium filix-femina subsp. cyclosorum Milo Samuel Baker; Franklin P. Nutting 1894-9-5 s.n. Modoc Near Forestdale. Comment
  CAS-BOT-BC17523  Athysanus pusillus B. Bartholomew 1995-5-12 6900 Modoc Near northeast side of Day Rock above Little Hot Spring Valley. 1250 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
  UC10230  Athysanus pusillus Mrs. R. M. Austin june, 1894 Modoc Comment
  RSA624445  Atriplex argentea L. C. Wheeler 1935-9-4 3941 Modoc Goose Lake: McGinty Point. 1463 Comment
  CAS-BOT-BC95506  Atriplex confertifolia Bruce Bartholomew; Barrett Anderson 1989-4-29 4707 Modoc SW corner of Lower Lake, 1.8 km N of the Lassen County line, Surprise Valley. 1370 Comment
  RSA97506  Atriplex confertifolia Beecher Crampton 1954-7-7 2152 Modoc 7 miles E of Cedarville. 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
  POM229214  Atriplex truncata L. C. Wheeler 1935-9-4 3941 Modoc McGinty Point, Goose Lake. 1463 Comment
  POM260881  Atriplex truncata Alice Eastwood, J. T. Howell 1940-6-12 8100 Modoc Midway between Likely and Alturas. Comment
  UCD136022  Azolla filiculoides Herbert L. Mason 1947-8-12 13503 Modoc Junction of North and South forks of Pit River, Alturas. Comment
  CAS-BOT-BC30209  Azolla mexicana Herbert Louis Mason 1947-8-12 13503 Modoc Junction of North and South Forks of Pit River, Alturas. Comment
  HSC26490  Balsamorhiza hookeri J. P. Smith, J. O. Sawyer 1972-5-6 5251 Modoc County Rd. 86, just E of Adin. 1098 Comment
  UC30508  Balsamorhiza hookeri Mrs. R. M. Austin and Bruce 1894-5-1 Modoc Goose Lake Valley Comment
  CAS-BOT-BC218200  Balsamorhiza hookeri John H. Hatton 1911-6-9 1 Modoc Modoc County - Modoc National Forest 1356 Comment
  RSA77997  Balsamorhiza hookeri Verne Grant 1947-6-5 7973 Modoc Near Alturas. Comment
  CAS-BOT-BC15182  Balsamorhiza hookeri var. lanata Elmer Ivan Applegate 1897-6-1 873 Modoc Hills about 10 mi. N of Canby. Comment
  CAS-BOT-BC15192  Balsamorhiza hookeri var. lanata John H. Hatton 1911-6-9 1 Modoc Modoc National Forest 1356 Comment
  SEINET476714  Balsamorhiza macrolepis var. platylepis Unknown 1923-4-26 Modoc Lookout Comment
  CAS-BOT-BC15137  Balsamorhiza sagittata Leland S. Smith 1919-5-8 1095 Modoc Clarke Ranch, Jess Valley, Modoc National Forest 1706 Comment
  RSA488573  Balsamorhiza sagittata Bruce Bartholomew, B. Anderson 1988-5-14 4193 Modoc 2 km south of turnoff to Crowder Flats West Side Road, west side of Goose Lake. 1410 Comment
  SEINET10617225  Balsamorhiza sagittata LeRoy E. Detling 1948-5-24 Detling 6260 Modoc North Fork Pit River. 1417 Comment
  RSA584726  Balsamorhiza serrata Bruce Bartholomew, Gilbert, Skog 1993-5-10 6469 Modoc 1.6 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley 1600 Comment
  CAS-BOT-BC58672  Barbarea orthoceras Bruce Bartholomew 1994-7-2 6810 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2150 Comment
  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
  UC748372  Barbarea orthoceras Annie M. Alexander and Louise Kellogg 1946-6-22 4818 Modoc edge Bidwell Creek; Warner Mountains Comment
  CHSC100116  Bassia hyssopifolia L. P. Janeway; B. Castro 2008-8-16 9547 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  NY529207  Bassia hyssopifolia B. M. Bartholomew 1989-8-11 5082 Modoc Sand Creek, Surprise Valley, 5 km west of Nevada border on State Highway 299. 1400 Comment
  JEPS68457  Beckmannia syzigachne W. L. Jepson 1918-8-5 7826 Modoc near Likely (bank of irrigation ditch); South Fork Valley 1371 Comment
  UC472310  Berberis aquifolium var. aquifolium Franklin P. Nutting 1890-1 Modoc Big Valley Mts Comment
  CAS-BOT-BC54178  Berberis aquifolium var. repens Elmer Ivan Applegate 1932-8-5 8166 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC54181  Berberis aquifolium var. repens Betty J. Hammerly 1941-6-20 31 Modoc Along banks of Clear Lake, S end of Warner Mts. 1767 Comment
  HSC80945  Berberis aquifolium var. repens G. M. Riegel 1979-8-11 638 Modoc S Warner Mtns. 1670 Comment
  SJSU9698  Berberis aquifolium var. repens W. Savage 1979-7-10 Modoc Oreghon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  RSA604675  Bergia texana L. C. Wheeler 1935-8-22 3910 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  CAS-BOT-BC54189  Betula glandulosa Belknap C. Goldsmith 1910-6-1 12 Modoc Fandango Peak, Warner Mts. 2225 Comment
  CAS-BOT-BC54191  Betula occidentalis Bruce Bartholomew 1990-6-17 5294 Modoc Along Emerson Creek, 2.8 km SW of County Rd 1, E side of Warner Mts. 1600 Comment
  CDA10502  Bidens cernua G. D. Barbe 1985-8-29 4249 Modoc West of Westside Road, South Fork of Pit River south of Alturas. 0 Comment
  CAS-BOT-BC15147  Bidens cernua var. cernua Herbert Louis Mason; Verne Grant 1947-7-12 13431 Modoc South loop of west side road, north of Likely Comment
  HSC5199  Bidens frondosa R. C. Wunner 1965-9-1 504 Modoc Lava Beds National Monument, near NE entrance to monument by shore of Tule Lake Comment
  CAS-BOT-BC15101  Bidens laevis Bruce Bartholomew 1992-8-7 6352 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  CAS-BOT-BC218113  Bistorta bistortoides Annie Montague Alexander; L. Kellogg 1946-7-18 5022 Modoc Benton Meadow, Warner Mts. 2072 Comment
  CAS-BOT-BC15081  Blepharipappus scaber David Daniels Keck; Jens Chr. Clausen 1935-6-24 3711 Modoc 3 mi. NE of Willow Ranch E of Goose Lake. 1550 Comment
  CAS-BOT-BC15089  Blepharipappus scaber Alice Eastwood; John Thomas Howell 1940-6-12 8067 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC15105  Blepharipappus scaber Barrett Anderson 1986-7-9 3130 Modoc Poney Flat Road, just off Hwy 299 1435 Comment
  CAS-BOT-BC15109  Blepharipappus scaber James D. Jokerst 1983-5-31 1809 Modoc Near Signal Butte. 1340 Comment
  HSC5821  Blepharipappus scaber M. T. Milligan 1964-6-6 3 Modoc N side of Dorris Reservoir along shore 1372 Comment
  CAS-BOT-BC15078  Blepharipappus scaber Louis Cutter Wheeler 1935-8-1 3725 Modoc Pine Creek, Warner Mts. 1767 Comment
  CAS-BOT-BC15091  Blepharipappus scaber Annie Montague Alexander; L. Kellogg 1946-6-10 4709 Modoc Slope N of Snake Lake. Comment
  HSC41122  Blepharipappus scaber Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3248 Modoc Modoc National Forest; along Hwy. 299 just NW of Andin Pass 1524 Comment
  UC748334  Blepharipappus scaber Annie M. Alexander and Louise Kellogg 1946-6-10 4709 Modoc slope n Snake Lake Comment
  UC894098  Blepharipappus scaber Milo S. Baker 1936-6-16 8353 Modoc Hwy 395 between Alturas and Likely Alturas; Hwy. 395 Comment
  UC10141  Boechera Milo S. Baker Jun 15 1893-Jul 5 1893 Modoc Comment
  CAS-BOT-BC95728  Boechera pauciflora Margaret M. Hanna 1956-6-5 s.n. Modoc Cedar Pass Campground Comment
  CAS-BOT-BC58565  Boechera platysperma Annie Montague Alexander; L. Kellogg 1946-8-1 5107 Modoc Eagle Peak, Warner Mts. Comment
  CAS-BOT-BC25697  Boechera sparsiflora B. Bartholomew 1991-5-25 5754 Modoc Ca. 6 km northwest of Tionesta on road to Lava Beds National Monument. 1310 Comment
  CAS-BOT-BC25710  Boechera sparsiflora B. Bartholomew; B. Anderson 1989-4-27 4635 Modoc Ryan Canyon, 6.0 km northwest of Adin on road to Dutch Flat. 1370 Comment
  CAS-BOT-BC58646  Boechera stricta Elmer Ivan Applegate 1932-7-9 7614 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC25895  Boechera subpinnatifida B. Bartholomew; M. Bourell 1990-4-27 5193 Modoc 1.1 km east of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  UC123120  Botrychium multifidum Mrs. R. M. Austin 1874-1 149 Modoc Lava Beds Comment
  UC501614  Brodiaea coronaria subsp. coronaria Frank W. Peirson 1926-6-26 6910 Modoc nw of Canby; Modoc National Forest Comment
  CAS-BOT-BC242405  Bromus briziformis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 158 Modoc Parker Creek. Comment
  UCD57491  Bromus briziformis Leo Whitney 1934-5-19 2169 Modoc Northeast portion of county. Modoc National Forest. Devil's Garden. Timbered Mountain. 1524 Comment
  CAS-BOT-BC242475  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1990-7-20 5473 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 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
  SJSU2087  Bromus carinatus var. carinatus J. W. Tilden 1958-6-26 1273 Modoc Warner Mts., W side of Cedar Pass between Alturas & Cedarville 1828 Comment
  UC1024967  Bromus carinatus var. carinatus Leo Whitney 1935-7-6 3441 Modoc Pit River near Lookout; Pit River Comment
  UC1037156  Bromus carinatus var. carinatus Leo Whitney 1935-7-7 3391 Modoc 4 mi nw of Canby (Howard Gulch); Howard Gulch Comment
  JEPS69166  Bromus commutatus Leland S. Smith 1918-7-7 978 Modoc Modoc National Forest, Jess Valley Jess Valley; Modoc National Forest, Jess Valley Comment
  CAS-BOT-BC242470  Bromus hordeaceus John H. Hatton 1911-6-9 3 Modoc unspecified 1356 Comment
  CHSC85100  Bromus hordeaceus John Dittes; Josephine Guardino 1991-7-21 432 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CHSC118824  Bromus inermis L. P. Janeway 2014-7-8 11476 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  CAS-BOT-BC242463  Bromus japonicus Bruce Bartholomew; B. Anderson 1989-6-1 4754 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake 1460 Comment
  CHSC110895  Bromus japonicus Lowell Ahart; John Dittes 2012-7-10 18313 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UCD32728  Bromus japonicus Beecher Crampton 1954-7-7 2167 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  JEPS73962  Bromus racemosus Frances D. Payne 1932-7-20 720 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC1024892  Bromus racemosus Leo Whitney 1935-5-27 3122 b Modoc 2 mi n of Lookout Comment
  CAS-BOT-BC242452  Bromus tectorum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 157 Modoc Parker Creek. Comment
  HSC9121  Bromus tectorum M. T. Milligan 1964-6-4 29 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  UCD59852  Bromus tectorum August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Pease Cabin. Comment
  UC1101527  Callitriche hermaphroditica Herbert L. Mason and Verne Grant 1947-7-12 13403 Modoc several mi s Alturas (by Jones' Lane, off Highway 395) Comment
  RSA722580  Calocedrus decurrens R. R. Halse 2006-8-4 6999 Modoc Along Highgrade Road ca. 4.4 miles north of Fort Bidwell, north end of the Warner Mountains, east slope 1765 Comment
  RSA577465  Calochortus Louis C. Wheeler 1935-8-3 3767 Modoc Warner Mountains: Pine Creek 1707 Comment
  CAS-BOT-BC244930  Calochortus leichtlinii Bruce Bartholomew 1989-7-15 5003 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC244935  Calochortus leichtlinii Elmer Ivan Applegate 1932-8-1 8042 Modoc Arid summit of Warner Mts. near and S of Warren Peak. 2438 Comment
  HSC15398  Calochortus leichtlinii M. T. Milligan 1964-7-25 192 Modoc 1.0 mi. E of Weber Salt Camp on Pine Creek Rd. 2134 Comment
  RSA17450  Calochortus leichtlinii Elmer I. Applegate 1932-8-1 8042 Modoc Arid summit of Warner Mountains near and south of Warren Peak 2439 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
  CAS-BOT-BC242138  Calochortus macrocarpus K. Paulson; Robert Paulson 1988-7-13 79 Modoc Jess Valley Rd., 3 mi. E of Likely. 1371 Comment
  CAS-BOT-BC242142  Calochortus macrocarpus K. Paulson; Robert Paulson 1988-7-13 79 Modoc Jess Valley Rd., 3 mi. E of Likely. 1371 Comment
  UC711808  Calochortus macrocarpus Roxana S. Ferris and Laura Lorraine 1941-8-14 10609 Modoc on road between Fort Bidwell and Pine Creek; Warner Mountains, Modoc National Forest, Summit of Fandango 1889 Comment
  JEPS86157  Calochortus macrocarpus Wayne Roderick 1966-7-23 Modoc ca 3 rd mi n Cedar Pass; Warner Mtns. 2133 Comment
  SEINET3260052 Image available Calochortus macrocarpus Annie M. Alexander, Louise Kellogg 1946-7-7 4920 Modoc Slope west of Lake Annie. Comment
  JEPS60535  Caltha leptosepala Leland S. Smith 1918-6-23 956 Modoc High Grade District Mineral Spring (Mineral Spring); Modoc National Forest, Mineral Spring 2377 Comment
  NY485968  Caltha leptosepala R. M. Austin s.n. Modoc Lassen Creek 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
  CAS-BOT-BC15051  Calycadenia fremontii Milo Samuel Baker 1899-8-16 s.n. Modoc Little Hot Spring Valley. Comment
  SBBG128894  Calycadenia fremontii L. Ahart, J. Dittes 2008-8-25 15294 Modoc W side of Pit River, ca. 1/8 mi E of County Rd 91, ca. 3.8 mi (air) NNE of Lookout 1273 Comment
  UC7759  Calyptridium umbellatum Mrs. R. M. Austin and Bruce June 1898 2225 Modoc Goose Lake Valley Comment
  CAS-BOT-BC95584  Calystegia occidentalis subsp. occidentalis Alice Eastwood; John Thomas Howell 1940-6-12 8072 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC242123  Camassia quamash subsp. breviflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16478 Modoc Campground on Lassen Creek, 1.6 mi. above ford. Comment
  CAS-BOT-BC242133  Camassia quamash subsp. breviflora Bruce Bartholomew; Barrett Anderson 1988-5-12 4105 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC58636  Camelina microcarpa Clare Butterworth Hardham 1961-6-18 7803 Modoc North Fork of Pitt River, 3.3 mi. SW of Cedar Pass turn off. Comment
  POM312339  Camelina microcarpa Verne Grant, Irving Schneider 1947-7-20 8108 Modoc North Fork of Pit River, downstream from Alturas. Comment
  CAS-BOT-BC191130  Camissonia andina Bruce Bartholomew 1995-6-2 6946 Modoc About 0.3 km E of Barrel Spring road on road from Fort Bidwell to Fee Reservoir. 1510 Comment
  RSA520377  Camissonia andina Bruce Bartholomew, B. Anderson 1989-6-1 4740 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  NY852053  Camissonia subacaulis B. M. Bartholomew 1994-7-2 6805 Modoc 5.5 km southeast of Forest Service road 30 on road towards Bald Mountain, east side of the Warner Mountains 2230 Comment
  HSC80895  Camissonia tanacetifolia G. M. Riegel 1979-9-4 729 Modoc S Warner Mtns. 2100 Comment
  NY852162  Camissonia tanacetifolia L. C. Wheeler 1935-8-2 3744 Modoc Twelve Mile Creek, Warner Mountains 2195 Comment
  CAS-BOT-BC191080  Camissonia tanacetifolia subsp. tanacetifolia Mrs. H. C. Cantelow 1940-5-31 4044 Modoc 0.8 mi. E of Canby. Comment
  CAS-BOT-BC191093  Camissonia tanacetifolia subsp. tanacetifolia Peter Hamilton Raven 1962-5-29 17896 Modoc Hwy 139 at S road to Lava Beds National Monument. Comment
  CAS-BOT-BC191085  Camissonia tanacetifolia subsp. tanacetifolia Leland S. Smith 1918-5-16 926 Modoc Centerville Road W of Alturas. Comment
  HSC6621  Capsella bursa-pastoris M. T. Milligan 1965-6-23 286 Modoc N end of Jess Valley 1616 Comment
  RSA156697  Cardamine breweri Clare B. Hardham 1962-6-18 7568 Modoc Mountains S of Cedar Pass. Comment
  CAS-BOT-BC58431  Cardamine breweri var. breweri Louis Cutter Wheeler 1935-8-16 3864 Modoc Dismal Swamp, Warner Mts. 2225 Comment
  CAS-BOT-BC58474  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1989-6-3 4862 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC242400  Carex Annie Montague Alexander; L. Kellogg 1946-7-23 5047 Modoc Emerson Peak. 2750 Comment
  CAS-BOT-BC242375  Carex atherodes Herbert Louis Mason; Verne Grant 1947-7-12 13424 Modoc Near S end of west side road, along railroad tracks, Pit River Valley, S of Alturas. Comment
  UCD140121  Carex atherodes Herbert L. Mason; Verne Grant 1947-7-11 13376 Modoc near west side road, South Fork of Pit River, south of Alturas. Comment
  CAS-BOT-BC242370  Carex athrostachya John Thomas Howell 1934-6-12 12030 Modoc Plum Valley. Comment
  HSC48005  Carex athrostachya D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19501 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  RSA0039531  Carex athrostachya Lowell A. Ahart, John Dittes 2012-7-10 18305 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC498657  Carex aurea B. Crampton 1954-7-6 2099 Modoc Shields Creek, Warner Mountains, 20 mi E of Alturas 1676 Comment
  CAS-BOT-BC245191  Carex diandra Robert Folger Thorne; C. W. Tilforth 1969-9-5 39164 Modoc Clear Lake. 1767 Comment
  POM81337  Carex hassei Mrs. R. M. Austin 1895-07 491 Modoc Goose Lake Valley. Comment
  RSA364742  Carex heteroneura A. M. Alexander, Louise Kellogg 1946-7-18 5020 Modoc Benton Meadow, Warner Mountains. 2073 Comment
  CAS-BOT-BC242363  Carex integra Annie Montague Alexander; L. Kellogg 1946-7-18 5021 Modoc Benton Meadow, upper meadow. 2072 Comment
  HSC7052  Carex integra M. T. Milligan 1964-7-4 215 Modoc Lassen Creek above lower campground 1829 Comment
  JEPS122361  Carex lenticularis Joseph Broberg, Jaycee Leonard 2012-8-14 CA 320 -124 Modoc From Alturas take Modoc Co. rd 56 to the East (this road turns into FS rd. 5). Follow this road to FS rd. 41N51 and turn right. Keep right at fork and continue to Yankee Jim Ranch. Collection is 1 mile NE of ranch house 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
  CAS-BOT-BC245182  Carex microptera James D. Jokerst 1983-7-18 1844 Modoc Miller's Flat, NW of Aden. Comment
  CHSC30637  Carex microptera NEH Prouty 1980-7-1 192 Modoc Modoc Nat. Forest. Along drainage running south from Bear Flat Pond into Soup Creek. 1798 Comment
  HSC75588  Carex microptera G. M. Riegel 1979-8-11 646 Modoc S Warner Mtns. 1670 Comment
  JEPS86370  Carex microptera Jack and Betty Guggolz 1988-6-28 960 Modoc w Jenkins Spring Comment
  CAS-BOT-BC245178  Carex multicaulis Bruce Bartholomew 1992-5-17 6345 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  SEINET7568476 Image available Carex multicaulis B. Bartholomew 1992-5-17 6345 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  CAS-BOT-BC245165  Carex nebrascensis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 151 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  UC1024318  Carex nebrascensis Annie M. Alexander and Louise Kellogg 1946-6-14 4762 Modoc branch to Silver Creek (Patterson Mill Road) 1828 Comment
  POM313121  Carex pellita H. L. Mason, Verne Grant 1947-7-12 13423 Modoc Near south end of West Side Rd. along railroad tracks, Pit River Valley, south of Alturas Comment
  HSC45956  Carex phaeocephala J. P. Smith, J. O. Sawyer 1973-8-8 7227 Modoc Near summit of Eagle Peak 2988 Comment
  JEPS63585  Carex phaeocephala W. L. Jepson 1918-8-13 7978 Modoc summit of Eagle Peak, Warner Mountains Eagle Peak; Warner Mountains, Eagle Peak 3017 Comment
  HSC97777  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-27 1024 Modoc Modoc National Forest, Rush Creek, between Lower and Upper Rush Creek Campgrounds 1463 Comment
  UC1736038  Carex raynoldsii Dean W. Taylor 1989-8-5 10469 Modoc North Emerson Lake; Warner Mountains Comment
  CAS-BOT-BC242352  Carex rossii Alice Eastwood; John Thomas Howell 1940-6-14 8252 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  HSC7151  Carex rostrata M. T. Milligan 1966-6-30 505 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  JEPS114870  Carex sheldonii Lowell Ahart, John Dittes 2008-8-25 15292 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  UC1537638  Carex simulata Gordon H. True Jr. 1939-6-28 991 Modoc se Alturas (Weber Ranch); South Fork of Pit River Comment
  CAS-BOT-BC245151  Carex straminiformis Annie Montague Alexander; L. Kellogg 1946-7-23 5048 Modoc Emerson Peak. 2749 Comment
  UC1024332  Carex straminiformis Annie M. Alexander and Louise Kellogg 1946-7-17 5007 Modoc Benton Meadow Warner Mountains 2072 Comment
  RSA252447  Carex subfusca Robert F. Thorne, C. W. Tilforth 1969-9-5 39155 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  SEINET7579428 Image available Carex utriculata Unknown 1969-9-5 39186 Modoc Margin of Pine Creek where it is crossed by Hwy 395, 3.4 mi S of Alturas. 1341 Comment
  JEPS101131  Carex vernacula Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10439 Modoc Warner Mountains; east face Emerson Peak 2560 Comment
  CHSC77254  Carex vesicaria G. Schoolcraft 1996-7-23 2546 Modoc E. of Yankee Jim Ranch, se of Alturas. 1645 Comment
  CDA41343  Castilleja angustifolia T. C. Fuller 1958-7-8 2036 Modoc Davis Creek. 0 Comment
  UC444862  Castilleja angustifolia Mrs. M. H. Manning May 1907 719 Modoc e side Warner Range Comment
  SDSU10555  Castilleja applegatei Reid Moran 1964-7-31 3902 Modoc 8.5 miles from enterance to Modoc National Forest on road from Likely, Modoc National Forest. 1554 Comment
  CAS-BOT-BC229816  Castilleja applegatei subsp. pinetorum K. Paulson; Robert Paulson 1988-6-29 57 Modoc Joseph Creek Basin, Warner Mts.. 1524 Comment
  HSC30195  Castilleja applegatei subsp. pinetorum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19470 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  JEPS3815  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-18 4797 Modoc Patterson Mill-- Silver Creek roads 1828 Comment
  JEPS3900  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-7-18 5017 Modoc near Benton Meadow; Warner Mountains 2072 Comment
  RSA339154  Castilleja applegatei subsp. pinetorum Margaret J. Williams 1984-6-28 84- 69 -2 Modoc Warner Mtns., N of Cedar Pass. End of Soldier Creek road. 2073 Comment
  UC1037212  Castilleja applegatei subsp. pinetorum Leo Whitney 1934-5-25 1570 Modoc ca 15 mi nw Canby (near Hackamore); Modoc National Forest 1463 Comment
  UC199384  Castilleja applegatei subsp. pinetorum W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek; Warner Mountains 1676 Comment
  UC26527  Castilleja applegatei subsp. pinetorum Baker and Nutting 1894-6-13 Modoc near Egg Lake Comment
  CAS-BOT-BC226004  Castilleja arachnoidea K. Paulson; Robert Paulson 1991-7-27 247 Modoc Sugar Hill Lookout. 2202 Comment
  CAS-BOT-BC226006  Castilleja arachnoidea Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2140 Modoc N slopes, Cedar Peak, Warner Mountains. Comment
  JEPS28991  Castilleja arachnoidea Frances D. Payne 1929-7-26 126 Modoc near top of Mt. Warren; Warner Range, Mt. Warren 2947 Comment
  RSA185378  Castilleja arachnoidea Clare B. Hardham 1961-6-18 7811 Modoc Hills above Cedar Pass. Comment
  SJSU9674  Castilleja campestris W. Savage 1979-7-10 1522 Modoc Bowles Meadow Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC226017  Castilleja chromosa John Thomas Howell 1934-6-13 12094 Modoc 2.5 mi. S of Eagleville. Comment
  SEINET10549110  Castilleja chromosa Jeffrey Huber 1971-6-3 Huber 86 Modoc 5 mi s of canby on calif. Hwy 299. Lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper, artemisia , purshia, poa assoc. Comment
  CAS-BOT-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-BC226033  Castilleja lacera Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 7.5 mi W of Adin Pass Summit on Hwy 299. Comment
  JEPS127309  Castilleja lacera Lowell Ahart, John Dittes 2016-7-14 21180 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
  JEPS29100  Castilleja lacera Lauramay T. Dempster 1961-6-18 1699 Modoc 3.2 mi e Cedar Pass (near head of canyon s of highway) 1752 Comment
  UC1063397  Castilleja lacera R. C. Wilson 1933-6-21 86 Modoc Stone Coal Valley Creek; Modoc National Forest, Canby Quad. 1402 Comment
  CAS-BOT-BC226038  Castilleja lacera Mrs. H. C. Cantelow 1940-6-2 4445 Modoc NW of Canby on road to Lava beds. Comment
  CAS-BOT-BC226042  Castilleja linariifolia Belknap C. Goldsmith 1912-8-8 75 Modoc South of Goose Lake. 1493 Comment
  RSA82265  Castilleja miniata F. W. Peirson 1926-6-25 6887 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  UC444891  Castilleja miniata W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Creek; Warner Mountains 1676 Comment
  UC26460  Castilleja miniata Mrs. R. M. Austin and Bruce Jul 1898 2242 Modoc Goose Lake mts. Comment
  CAS-BOT-BC241008  Castilleja pilosa Alice Eastwood; John Thomas Howell 1940-6-14 8253 Modoc Between Mammouth [Mammoth] Cave and Lava Bed Nat. Mon. Comment
  SJSU9577  Castilleja pilosa W. Savage 1979-7-3 1334 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC497469  Castilleja psittacina Margaret J. Williams 1988-5-30 88- 23 -2 Modoc First road in to Big Sage Reservoir from Crowder Flat road, NW of Alturas 1539 Comment
  CAS-BOT-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-BC226076  Castilleja tenuis K. Paulson; Robert Paulson 1989-6-14 136 Modoc Junction of Hwy 299 and Hwy 395 at turn off to Cedar Pass. 1371 Comment
  JEPS126543  Castilleja tenuis Lowell Ahart, John Dittes 2016-6-6 20962 -A Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 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
  CAS-BOT-BC58435  Caulanthus crassicaulis Bruce Bartholomew 1995-6-2 6940 Modoc About 9 km E of Eagle on SE side of Surprise Valley. 1460 Comment
  UC54488  Ceanothus cuneatus var. cuneatus H. M. Hall and E. B. Babcock 1903-6-21 4249 Modoc sw part of county, Sierra Nevada Mts. 1219 Comment
  CAS-BOT-BC217105  Ceanothus prostratus Alice Eastwood; John Thomas Howell 1940-6-13 8130 Modoc Near Davis Creek. Comment
  CAS-BOT-BC217147  Ceanothus prostratus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16490 Modoc NW flank of Buck's Mt., on road to Sugar Hill lookout. Comment
  HSC18320  Ceanothus prostratus M. T. Milligan 1966-5-14 614 Modoc E slope of eroded volcanic plateau 1677 Comment
  RSA785570  Ceanothus prostratus Doris Bowers 1972-9-2 1896 Modoc Upper Camp, Rush Creek, N/o Adin 1220 Comment
  UC452661  Ceanothus prostratus Franklin P. Nutting Modoc near Egg Lake; Northern California, near Egg Lake Comment
  SEINET4089768  Ceanothus prostratus C. Davidson 1975-1 2623 Modoc 5.3 miles south of Canby on road to Manzanita Lookout. 1493 Comment
  RSA149076  Ceanothus prostratus var. occidentalis I. L. Wiggins 1961-6-14 16490 Modoc NW flank of Buck's Mts along road to Sugar Hill Lookout, Warner Mts, Comment
  UC1281456  Ceanothus velutinus H. E. McMinn 1931-5-23 2472 Modoc Fandango Pass Warner Mts., Fandango Pass Comment
  UC452545  Ceanothus velutinus Franklin P. Nutting Modoc Forestdale Forestdale (Northern California) Comment
  CHSC112755  Centaurea cyanus Lowell Ahart; John Dittes 2013-7-24 18937 Modoc South bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  CAS-BOT-BC15095  Centaurea maculosa Bruce Bartholomew 1989-7-14 4970 Modoc N end of Big Valley. Comment
  HSC5236  Centaurea solstitialis R. C. Wunner 1965-8-16 436 Modoc California Lava Beds N.M.; 0.15 mile S of Devil's Homestead overlook 1326 Comment
  CAS-BOT-BC281202  Centaurea stoebe subsp. micranthos B. Bartholomew 1989-7-14 4970 Modoc N end of Big Valley Comment
  CAS-BOT-BC15099  Centaurea virgata subsp. squarrosa Thomas C. Fuller 1962-8-29 9487 Modoc Road to Adin, 0.3 mi. E of Lookout, Big Valley. Comment
  CAS-BOT-BC180118  Centaurium exaltatum Bruce Bartholomew 1992-5-15 6285 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  JEPS121189  Centromadia pungens subsp. pungens Lowell Ahart, John Dittes 2013-7-25 18957 Modoc Along the N-S fence, S edge of Ash Creek floodplain, NW of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  RSA503050  Cercis occidentalis Bruce Bartholomew, B. Anderson 1988-6-23 4228 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC197535  Cercocarpus ledifolius var. ledifolius John H. Hatton 1911-6-12 36 Modoc Modoc County. 1524 Comment
  SEINET3146201  Chaenactis douglasii L. S. Rose 1940-6-13 40546 Modoc Surprise, NE of Alturas 1372 Comment
  CAS-BOT-BC15059  Chaenactis douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-6-10 4722 Modoc Lava bench between Lower and Snake lakes. Comment
  CAS-BOT-BC15061  Chaenactis douglasii var. douglasii Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10615 A Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mtns., Modoc National Forest 1889 Comment
  CAS-BOT-BC15065  Chaenactis douglasii var. douglasii M. M. Hanna; G. D. Hanna 1956-6-5 s.n. Modoc Cedar Pass. Comment
  UC748339  Chaenactis douglasii var. douglasii Annie M. Alexander and Louise Kellogg 1946-7-24 5076 Modoc Horse Mountain Warner Mountains, Horse Mountain Comment
  CAS-BOT-BC15055  Chaenactis douglasii var. douglasii Amos Arthur Heller 1938-6-24 15221 Modoc Between Alturas and Canby on Hwy 299. 1341 Comment
  HSC5249  Chaenactis douglasii var. douglasii M. T. Milligan 1966-6-19 473 Modoc Plateau W of Jess Valley 1829 Comment
  SJSU11737  Chaenactis douglasii var. douglasii J. W. Tilden 1958-6-25 1268 Modoc near Monument Headquarters, Lava Beds National Monument Comment
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Aug 15 2012
  CAS-BOT-BC15027  Chaenactis macrantha Bruce Bartholomew 1994-5-15 6689 Modoc E of Eagleville near Nevada border, E side of Surprize Valley. 1490 Comment
  POM139984  Chamaebatiaria millefolium M. H Manning s.n. Modoc NW Modoc County Comment
  HSC80797  Chamaesaracha nana G. M. Riegel 1980-7-31 945 Modoc S Warner Mtns. 558 Comment
  SEINET8731595 Image available Chamaesaracha nana Helen K. Sharsmith 1955-1 4509 Modoc adjacent to Highway 39 ca. 20 miles north of Canby, Modoc National Forest 1524 Comment
  UCD14407  Chenopodium rubrum Sheryl Gill 1996-9-3 s.n. 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; 'Captain Jack's Stronghold' GS map quad; 1229 Comment
  CHSC106333  Chenopodium rubrum var. humile Lowell Ahart; John Dittes 2010-8-30 17049 Modoc About 10 yards west of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS117371  Chenopodium rubrum var. humile Lowell Ahart, John Dittes 2010-8-30 17049 Modoc About 10 yards west of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA624502  Chenopodium salinum L. C. Wheeler 1935-8-18 3892 Modoc 2 miles northeast of Alturas 1357 Comment
  RSA604000  Chenopodium simplex L. C. Wheeler 1935-8-12 3830 Modoc Warner Mountains: Cottonwood Creek. 1981 Comment
  CAS-BOT-BC95667  Chimaphila umbellata Bruce Bartholomew 1995-7-30 7044 Modoc Big Valley Mountains N of County Road 94. 1400 Comment
  UC73568  Chimaphila umbellata Milo S. Baker Aug. 1898 534 Modoc Forestdale Comment
  UCR93382  Chorispora tenella George K. Helmkamp, E. A. Helmkamp 1993-5-9 s.n. Modoc 2 mi from the Nevada border along calif. Hwy 139 1316 Comment
  CAS-BOT-BC15002  Chrysothamnus nauseosus subsp. albicaulis Louis Cutter Wheeler 1935-9-10 3968 Modoc McGinty Reservoir, Devil's Garden. 1524 Comment
  RSA540062  Chrysothamnus nauseosus subsp. albicaulis Bruce Bartholomew, B. Anderson 1990-7-20 5457 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  SEINET5926447 Image available Chrysothamnus nauseosus var. speciosus E. K. Balls, P. C. Everett 1952-1 18152 Modoc Off rd to Fandango Pass, 2 I SE of Buck's Creek Ranger Station Comment
  CAS-BOT-BC14994  Chrysothamnus viscidiflorus subsp. viscidiflorus John Thomas Howell 1934-6-30 12260 Modoc Duncan Horse Camp. 1355 Comment
  CHSC106177  Chrysothamnus viscidiflorus subsp. viscidiflorus Lowell Ahart; John Dittes 2010-8-30 17061 Modoc Near the homestead, about 100 yards east of the fence, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC5349  Chrysothamnus viscidiflorus subsp. viscidiflorus M. T. Milligan 1966-7-28 597 Modoc E slope eroded volcanic plateau 1677 Comment
  HSC81019  Chrysothamnus viscidiflorus subsp. viscidiflorus G. M. Riegel 1980-8-9 1022 Modoc S Warner Mtns. 1739 Comment
  SJSU9679  Chrysothamnus viscidiflorus subsp. viscidiflorus W. Savage 1979-8-22 1579 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS124304  Cichorium intybus Lowell Ahart, John Dittes 2015-7-15 20344 Modoc Ash Creek State Wildlife Area about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber Big Valley. Comment
  CDA38303  Cicuta douglasii T. C. Fuller 1959-7-8 s.n. Modoc 3.4 miles east of Tulelake. 0 Comment
  CAS-BOT-BC191009  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1988-7-21 4439 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  RSA252383  Circaea alpina subsp. pacifica Robert F. Thorne, C. W. Tilforth 1969-9-5 39175 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  RSA520382  Circaea alpina subsp. pacifica Bruce Bartholomew, B. Anderson 1990-7-20 5535 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mtns 1990 Comment
  CAS-BOT-BC14954  Cirsium andersonii Bruce Bartholomew; Barrett Anderson 1990-7-19 5441 Modoc Sweagert Flat. 1860 Comment
  CDA1061  Cirsium arvense T. C. Fuller 1959-7-8 2746 -B Modoc Grainfield, 1.5 mi. South of Tulelake. 0 Comment
  UC1192199  Cirsium arvense Verne Grant and Irving Schneider 1947-7-20 8109 Modoc from Alturas; North Fork of Pit River Comment
  CAS-BOT-BC14964  Cirsium cymosum Annie Montague Alexander; L. Kellogg 1946-6-14 4766 Modoc Silver Creek branch of Patterson Mill Road. 1828 Comment
  JEPS59278  Cirsium douglasii var. breweri W. L. Jepson 1918-8-9 7916 Modoc Ft. Bidwell 1432 Comment
  UC1192201  Cirsium douglasii var. breweri Herbert L. Mason 1947-8-11 13500 Modoc On Highway 81, n of Modoc-Lassen County Line Comment
  UC71590  Cirsium douglasii var. breweri Mrs. M. H. Manning 1903-1-1 262 Modoc Fort Bidwell, ne Modoc County Fort Bidwell Comment
  HSC65596  Cirsium occidentale var. candidissimum Thomas Wood 1979-8-9 230 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of jct. with Co. Hwy. 2. N of Fort Bidwell 1555 Comment
  CDA31791  Cirsium ochrocentrum K. Haas 2007-2-6 PDR# 1402971 Modoc County Rd 1, Cedarville 0 Comment
  CAS-BOT-BC14938  Cirsium scariosum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10522 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  HSC5395  Cirsium scariosum M. T. Milligan 1966-8-3 641 Modoc W slope of Eagle Peak 2439 Comment
  CHSC117043  Cirsium scariosum var. robustum Lowell Ahart; John Dittes 2016-6-6 20945 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CAS-BOT-BC162643  Clarkia Clare B. Hardham 1961-6-19 7848 Modoc Willow Creek, Warner Mountains Comment
  CAS-BOT-BC191001  Clarkia Fred. P. Cronemiller 1920-6-15 9 Modoc McKenzie Spring. 1310 Comment
  CAS-BOT-BC191071  Clarkia gracilis subsp. gracilis Bruce Bartholomew 1990-6-18 5391 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC191053  Clarkia lassenensis John Thomas Howell 1934-6-11 11942 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC191058  Clarkia lassenensis Barbara J. Ertter 1988-6-18 7622 Modoc Hwy 139 a few mi. N of Agric. Inspection Station, 1 mi. S of S jct to Lava Beds Nat'l Monument. 1310 Comment
  HSC30120  Clarkia lassenensis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19485 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  RSA134427  Clarkia lassenensis Peter H. Raven, Otto T. Solbrig 1958-6-18 13314 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  HSC16260  Clarkia purpurea subsp. quadrivulnera M. T. Milligan 1964-7-20 158 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  RSA323621  Clarkia rhomboidea Arnold Tiehm 1984-6-30 8839 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  RSA646254  Clarkia rhomboidea Peter H. Raven, Otto T. Solbrig 1958-6-18 13309 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  SEINET10837715  Clarkia rhomboidea Nancy R. Morin 1978-7-7 Morin 263 Modoc Fandango Pass (Ca 8 miles E of S end of Goose Lake). Ca. 6000 feet. Dry rocky areas. 1830 Comment
  UC1422888  Clarkia rhomboidea Peter H. Raven and Otto T. Solbrig 1958-6-18 13309 Modoc Cottonwood Flat Camp Ground Modoc National Forest Comment
  UC71666  Clarkia rhomboidea Mrs. M. H. Manning 1903-7 282 Modoc Warner Mt. 1524 Comment
  CAS-BOT-BC197447  Claytonia lanceolata Bruce Bartholomew; Barrett Anderson 1989-4-28 4660 Modoc 4.3 km E of the Modoc National Forest Boundary on Parker Creek Road, W side of Warner Mts. 1740 Comment
  NY497244  Claytonia lanceolata A. M. Alexander 1946-6-15 4773 Modoc Deep Creek 2133.6 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
  UC576469  Claytonia megarhiza Elmer I. Applegate 1932-8-3 8116 Modoc just n Eagle Peak; Warner Mountains Comment
  JEPS43368  Claytonia perfoliata subsp. intermontana Frances D. Payne 1931-6-22 239 Modoc s and e of Alturas (Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Dry Creek 1828 Comment
  RSA152453  Claytonia rubra I. L. Wiggins, Dorothy Wiggins, Elizabeth Wiggins 1961-6-12 16418 Modoc Mountainside near summit of Cedar Pass, between Alturas and Cedarville Comment
  CAS-BOT-BC197468  Claytonia rubra subsp. rubra Bruce Bartholomew; Barrett Anderson 1989-4-29 4667 Modoc W side of Upper Alkali Lake, 7 km S of Fort Bidwell, Surprise Valley. 1370 Comment
  CAS-BOT-BC197470  Claytonia rubra subsp. rubra Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16456 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  UC725913  Cleome platycarpa A. A. Heller 1941-6-26 16211 Modoc 8 mi w Alturas (along U.S. Highway 299) Comment
  UC857650  Cleome platycarpa Lewis S. Rose 1940-6-14 40563 Modoc 7 mi nw Alturas 1310 Comment
  CAS-BOT-BC226097  Collinsia parviflora Bruce Bartholomew; Mona Bourell 1990-4-26 5158 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC229854  Collinsia parviflora John Thomas Howell 1934-6-13 12055 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC229856  Collinsia parviflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16430 Modoc Near summit of Cedar Pass, between Alturas & Cedarville 1920 Comment
  JEPS86353  Collinsia parviflora Jack and Betty Guggolz 1988-6-28 953 Modoc w Jenkins Sping Comment
  SBBG28887  Collinsia parviflora J. T. Howell 1934-6-14 12135 Modoc near Lost Lake 2438 Comment
  SBBG6876  Collinsia parviflora H. and M. Dearing 1939-6-8 3599 Modoc Pine Cyn, Warner Mtns Comment
  SEINET10317272 Image available Collinsia parviflora B. Bartholomew 1991-6-20 5780 Modoc NE side of Barber Ridge, 10 lm NW of Adin on road to Fox Mountain 1580 Comment
  UC672461  Collinsia parviflora F. H. Frost 1925-7-25 179 Modoc Warner Mountains, Eagle Peak Eagle Peak; Warner Mountains, Eagle Peak Comment
  UC885561  Collinsia parviflora C. L. Hitchcock 1940-5-27 6687 Modoc 15 mi ne of Alturas 1615 Comment
  RSA534599  Collinsia parviflora Bruce Bartholomew 1991-6-20 5780 Modoc NE side of Barber Ridge, 10 km NW of Adin on road to Fox Mountain. 1580 Comment
  UC76207  Collinsia parviflora Milo S. Baker 1896-5-23 73 Modoc Big Valley, Johnson's Big Valley; , Johnson's Comment
  RSA412238  Collinsia torreyi Christopher Davidson 1975-6-4 2617 Modoc 2.5 mi W of Cedarville on Hwy 299. 1677 Comment
  RSA505357  Collinsia torreyi var. wrightii R. C. Bacigalupi, G. Thomas Robbins 1955-7-20 5399 Modoc Flat at summit of forest road across the southern end of the Warner Range, 3.3 miles e. of Patterson Ranger Station, Modoc Nat. Forest. 2226 Comment
  CDA39999  Collomia grandiflora T. C. Fuller 1958-7-8 2034 Modoc 4 miles south of Pine Creek. 0 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-BC190715  Collomia tinctoria Elmer Ivan Applegate 1935-6-12 9525 Modoc Caldwell Butte, Lava Bed National Monument. Comment
  CAS-BOT-BC214801  Comarum palustre Robert Folger Thorne; C. W. Tilforth 1969-9-5 39162 Modoc Clear Lake, Warner Mts. Modoc National Forest 1767 Comment
  UC71711  Convolvulus arvensis Mrs. M. H. Manning July, 1903 44 Modoc Fort Bidwell; ne Modoc Co. Comment
  UCD126204  Convolvulus arvensis Herbert L. Mason; Verne Grant 1947-7-10 13338 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CAS-BOT-BC497461  Corallorhiza striata B. Bartholomew 1992-5-14 6282 A Modoc Field redacted by CAS, contact the data manager for more information 1390 Comment
  SEINET4676264  Cordylanthus capitatus B. Bartholomew, Anderson 1988-7-23 4560 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains. Fort Bidwell 15 foot Quad.; 0 2140 Comment
  UC1587092  Cordylanthus maritimus subsp. canescens G. Schoolcraft 1991-7-24 2185 Modoc ne Middle Alkali Lake; Leonard Hot Spring 1386 Comment
  RSA763574  Cornus glabrata Doris Bowers 1972-9-2 1895 Modoc Upper Camp, Rush Creek, N/o Adin 1220 Comment
  HSC102677  Crataegus douglasii J. P. Smith, J. O. Sawyer 2011-8-13 13365 Modoc Fence row along County Road 86. 1304 Comment
  CAS-BOT-BC14948  Crepis acuminata Bruce Bartholomew 1991-8-5 6027 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CAS-BOT-BC14906  Crepis acuminata Amos Arthur Heller 1938-6-24 15220 Modoc unspecified Comment
  RSA534595  Crepis bakeri Bruce Bartholomew 1991-6-21 5793 Modoc 1.6kim S of Davis Creek on Hwy 395. 1450 Comment
  SJSU9584  Crepis intermedia W. Savage 1979-7-4 1344 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC31331  Crepis modocensis Mrs. C. C. Bruce June 1898 2164 Modoc Lake City Mountain Comment
  CAS-BOT-BC14877  Crepis modocensis subsp. modocensis Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1806 Modoc Cedar Creek Canyon, about 3 mi. W of Cedarville, Warner Mountains 1676 Comment
  CAS-BOT-BC291573  Crepis modocensis subsp. modocensis John Thomas Howell 1934-6-14 12144 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  RSA163736  Crepis modocensis subsp. modocensis Clare B. Hardham 1961-6-18 7583 Modoc Mts S of summit of Cedar Pass. Comment
  CAS-BOT-BC14886  Crepis modocensis subsp. subacaulis Bruce Bartholomew; Barrett Anderson 1988-5-14 4207 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 Comment
  CAS-BOT-BC14866  Crepis occidentalis Bruce Bartholomew 1991-8-5 6049 Modoc Summit Trail between Squaw Peak and Cottonwood Lake, crest of the Warner Mts. 2470 Comment
  UCD150425  Crepis occidentalis Harry A. George 1966-6-3 s.n. Modoc Alturas Airport. Comment
  UC1036003  Crepis occidentalis subsp. pumila Helen K. Sharsmith 1955-6-22 4485 Modoc steep slope just n Cedar Pass; Warner Mountains, Modoc National Forest 1889 Comment
  CAS-BOT-BC95594  Cressa truxillensis R. M. Austin 1894-8-1 s.n. Modoc Davis Creek. Comment
  RSA603175  Cressa truxillensis L. C. Wheeler 1935-9-4 3951 Modoc Goose Lake: McGinty Point. 1463 Comment
  CAS-BOT-BC14828  Crocidium multicaule Leland S. Smith 1919-4-20 1077 Modoc W of Alturas. 1371 Comment
  JEPS22547  Crocidium multicaule L. S. Smith 1919-3-20 1077 Modoc w of Alturas Comment
  RSA59490  Crocidium multicaule E. K. Balls 1950-5-17 14729 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  UC84171  Crocidium multicaule Mrs. R. M. Austin 1884-6-1 Modoc plains of Goose Lake Valley Comment
  SEINET5343801 Image available Crupina vulgaris G. Schoolcraft 1993-6-17 2297 Modoc NE of Adin on S. side of Hunter Ridge 1646 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
  JEPS121229  Crypsis alopecuroides Lowell Ahart, John Dittes 2013-7-24 18932 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
  SJSU9644  Crypsis alopecuroides W. Savage 1979-7-8 1473 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA647536  Cryptantha Marion P. Harthill 1971-6-23 374 Modoc Fort Bidwell. 1388 Comment
  CAS-BOT-BC54127  Cryptantha affinis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10529 A Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  UCD37470  Cryptantha ambigua Beecher Crampton 1960-6-17 5689 Modoc Modoc County, 5 miles south of Perez, Plant Quarantine Station. 1371 Comment
  CAS-BOT-BC54103  Cryptantha intermedia Alice Eastwood; John Thomas Howell 1940-6-11 8031 Modoc 8 mi. from Canby on road to Alturas. Comment
  SJSU9549  Cryptantha intermedia W. Savage 1979-7-3 1283 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC78723  Cryptantha intermedia Mrs. R. M. Austin Jul 1884 Modoc Goose Lake Valley Comment
  POM204147  Cryptantha simulans J. T. Howell 1934-6-13 12043 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  UC402820  Cryptantha simulans Milo S. Baker 1890-1 Modoc Forestdale Comment
  HSC75578  Cryptantha simulans G. M. Riegel 1980-7-8 853 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC54118  Cryptantha sobolifera Robert Patterson; Mona Bourell 1993-8-15 5259 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC54120  Cryptantha sobolifera Bruce Bartholomew 1991-8-5 6052 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2530 Comment
  NY1112162  Cryptantha torreyana B. Anderson 1986-7-9 3174 Modoc Warner Mountains. Stough Reservoir Road just east of Cedar Pass near Stough Reservoir 1965 Comment
  CAS-BOT-BC54083  Cryptantha watsonii Bruce Bartholomew; Barrett Anderson 1989-6-2 4823 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  JEPS47127  Cuscuta approximata Mary H. Manning before Aug 1918 Modoc Ft. Bidwell; Condan Ranch Comment
  RSA603169  Cuscuta approximata var. urceolata L. C. Wheeler 1935-8-6 3796 Modoc Pine Creek (town). 1524 Comment
  RSA195413  Cycladenia humilis Elmer I. Applegate 1936-5-21 10337 Modoc Lava Beds National Monument. Basin in midst of Big Lava Flow, north of Cinder Cone, 1/2 mile north of RR tract at Lava Summit. Comment
  CHSC117142  Cyperus squarrosus Lowell Ahart; John Dittes 2016-7-14 21201 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
  UC4448  Cypripedium montanum Mrs. R. M. Austin and Bruce 1908-8-1 2234 Modoc Rose Canyon 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
  HSC970  Cystopteris fragilis M. T. Milligan 1965-6-30 398 Modoc Slopes and ridges E of Jess Valley 1890 Comment
  RSA17704  Cystopteris fragilis Elmer I. Applegate 1932-8-2 8096 Modoc Mill Creek Meadows, west slope Warner Mountains, rocks along stream Comment
  SBBG18746  Cystopteris fragilis C. B. Hardham 1961-6-19 7845 Modoc Willow Crk Comment
  UC672642  Cystopteris fragilis F. H. Frost 1925-7-11 10 Modoc Cedar Canyon Campsite; Warner Mts. Comment
  UC42490  Cystopteris fragilis Geo. H. Boke 1890-1 Modoc Comment
  CAS-BOT-BC245210  Damasonium californicum Bruce Bartholomew; Barrett Anderson 1988-6-23 4272 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  UCD60482  Danthonia californica Leo Whitney 1934-5-27 2171 Modoc Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 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-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
  CAS-BOT-BC217280  Delphinium Bruce Bartholomew 1994-5-29 6731 Modoc Lava fields N of Big Sand Butte. 1270 Comment
  JEPS86367  Delphinium andersonii Jack and Betty Guggolz 1988-6-27 951 Modoc both e and w of Jenkins Spring Comment
  CAS-BOT-BC217342  Delphinium depauperatum Bruce Bartholomew 1994-7-2 6790 Modoc 8.9 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 2120 Comment
  NY487637  Delphinium depauperatum B. M. Bartholomew 1990-8-4 5623 Modoc Slope on north side of Pine Creek Basin on trail to Patterson Lake, west side of Warner Mountains 2380 Comment
  NY487634  Delphinium depauperatum Mrs. C. C. Bruce 2236 Modoc Lake City Canyon Comment
  NY487636  Delphinium depauperatum B. M. Bartholomew 1988-6-24 4308 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains. Fort Bidwell 15' Quad. 2130 Comment
  RSA503252  Delphinium depauperatum Bruce Bartholomew 1988-6-24 4308 Modoc Cave Lake, W side of the Warner Mountains. 2130 Comment
  CAS-BOT-BC217304  Delphinium nudicaule Bruce Bartholomew 1994-5-14 6684 Modoc Near Day Rock. 1280 Comment
  CAS-BOT-BC217279  Delphinium nuttallianum Edward Kent Balls; N. N. Thompson 1950-5-17 14733 Modoc SW of Double Head, 7.5 km from Hwy 139, S of Clear Lake Burs Refuge. 1463 Comment
  CAS-BOT-BC217306  Delphinium nuttallianum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 1388 Modoc Parker Creen, Warner Mts. Comment
  CAS-BOT-BC217317  Delphinium nuttallianum Bruce Bartholomew; Mona Bourell 1990-4-27 5175 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  CAS-BOT-BC217323  Delphinium nuttallianum Clare Butterworth Hardham 1961-6-18 7569 Modoc Mountains S of Cedar Pass. North slopes. Comment
  CAS-BOT-BC217333  Delphinium nuttallianum Francis Dorris Payne 1932-5-27 403 Modoc Parker Creek. 1584 Comment
  CHSC85135  Delphinium nuttallianum John Dittes; Josephine Guardino 1991-6-1 351 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  SBBG2164  Delphinium nuttallianum H. and M. Dearing 1939-6-8 3591 Modoc Pine Cyn, Warner Mtns Comment
  SBBG2167  Delphinium nuttallianum H. and M. Dearing 1939-6-9 3620 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  UC748094  Delphinium nuttallianum Annie M. Alexander and Louise Kellogg 1946-6-5 4667 Modoc s Eagleville (above road); Warner Mountains, Emerson Creek 1981 Comment
  CAS-BOT-BC217285  Delphinium stachydeum Leland S. Smith 1918-7-13 992 Modoc Eagle Peak. Nevada Range etc. W slope. 2133 Comment
  CAS-BOT-BC242481  Deschampsia cespitosa subsp. cespitosa Bruce Bartholomew; Barrett Anderson 1990-7-19 5445 Modoc Sweagert Flat. 1860 Comment
  POM365026  Deschampsia danthonioides A. A. Beetle 1941-6-29 2838 Modoc south slope of Mt. Adin Comment
  UCD62393  Deschampsia danthonioides Elizabeth Wilson Date Unknown Modoc Modoc Co. Comment
  SEINET4566918  Deschampsia danthonioides I. Tidestrom 1910-6-25 3642 Modoc Sibley Draw, north fork Modoc Comment
  UC70674  Deschampsia elongata Mrs. M. H. Manning June 1903 430 Modoc n.e. Modoc Co. Comment
  UCD63293  Deschampsia elongata Carl W. Rimbey 1954-7-6 Modoc Along Shields Creek, Warner Mountains, 20 miles east of Alturas. Comment
  CAS-BOT-BC58612  Descurainia pinnata subsp. brachycarpa John Thomas Howell 1934-6-30 12290 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC58613  Descurainia pinnata subsp. brachycarpa Alice Eastwood; John Thomas Howell 1940-6-12 8051 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC58439  Descurainia sophia Bruce Bartholomew; Barrett Anderson 1988-6-25 4381 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC58441  Descurainia sophia Isabelo T. Kelly 1930-1-1 29 Modoc Modoc County. Comment
  NY126141  Descurainia sophia B. M. Bartholomew 1988-6-25 4381 Modoc SW side of Jess Valley, Warner Mtns. 1540 Comment
  CAS-BOT-BC190761  Dicentra uniflora Bruce Bartholomew; Barrett Anderson 1988-5-13 4158 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts.. 1760 Comment
  CAS-BOT-BC242117  Dichelostemma multiflorum Elmer Ivan Applegate 1897-6-1 871 Modoc Head of Rim-Rock Canyon, 6 mi. N of Canby. Comment
  JEPS58091  Dichelostemma multiflorum Frances D. Payne 1929-6-21 13 Modoc s and e of Alturas; Warner Mountains, Parker Creek Comment
  JEPS79131  Dichelostemma multiflorum L. R. Heckard with R. Bacigalupi 1980-6-10 5234 Modoc about 10 mi nw Lookout (along the Great Northern Railroad grade); Great Northern Railroad Grade Comment
  CAS-BOT-BC49463  Dieteria canescens var. shastensis Elmer Ivan Applegate 1923-3-17 3341 Modoc Dry Lake, SE of Tule Lake. Comment
  HSC5092  Dieteria canescens var. shastensis M. S. Baker 1893-1 Modoc Egg Lake Comment
  UC190626  Dieteria canescens var. shastensis M. F. Gilman 654 Modoc 1676 Comment
  SBBG22643  Diplacus nanus C. B. Hardham 1961-6-19 7841 Modoc Willow Crk 1676 Comment
  SEINET8255120  Diplacus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, s end; between Kramer Reservoir and White Horse Lookout railroad crossing. 1300 Comment
  CAS-BOT-BC234441  Diplacus tricolor Bruce Bartholomew; Barrett Anderson 1989-6-3 4906 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  HSC7537  Dipsacus fullonum M. T. Milligan 1964-8-8 223 Modoc 200 yards S of Pine Creek Blvd. on Hwy. 395 1372 Comment
  RSA149073  Dodecatheon alpinum subsp. majus I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16483 Modoc 6.4 mi. S of Lassen Creek Campground along road to Buck Mtn, Warner Mtns. Comment
  CAS-BOT-BC218281  Dodecatheon conjugens Annie Montague Alexander; L. Kellogg 1946-6-8 4695 Modoc Road from Eagleville to Patterson Mill. 2286 Comment
  HSC24628  Dodecatheon conjugens Leo D. Whitney 1935-5-19 3108 Modoc Edge of Hackamore River, near Hackamore Comment
  SEINET7073593  Dodecatheon conjugens A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  UCR87513  Dodecatheon conjugens George K. Helmkamp, E. A. Helmkamp 1993-5-4 87513 Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  OBI47981  Dodecatheon conjugens Rhonda Riggins 1989-4-28 1669 Modoc 5.7 mi N of hwy 395 E of Alturas on rd to Raker and Thomas Reservoir (continuation of Pencil Rd) 1524 Comment
  CAS-BOT-BC218275  Dodecatheon conjugens var. conjugens C. C. (Mrs.) Bruce 1894-4-1 101 Modoc Davis Creek. Comment
  CAS-BOT-BC218270  Dodecatheon ellisiae Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6429 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CHSC118306  Dodecatheon pulchellum L. P. Janeway 2016-5-18 12071 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CAS-BOT-BC95116  Downingia bacigalupii Alice Eastwood; John Thomas Howell 1940-6-14 8224 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC95121  Downingia bacigalupii E. S. Willits 1940-7-1 344 Modoc Davis Creek. Comment
  RSA768068  Downingia bacigalupii L. Ahart, John Dittes 2010-8-31 17124 Modoc Edge of a pond, about 400 yards west of Elkin's Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley 1268 Comment
  CAS-BOT-BC95129  Downingia bicornuta var. bicornuta Bruce Bartholomew; Barrett Anderson 1990-7-19 5413 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC95132  Downingia bicornuta var. bicornuta R. K. Gierisch; D. H. Esplin 1969-7-16 3547 Modoc Spaulding Reservoir. 1432 Comment
  CAS-BOT-BC95133  Downingia bicornuta var. bicornuta Bruce Bartholomew 1991-7-6 5986 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  UC1116673  Downingia bicornuta var. bicornuta Beecher Crampton 1960-6-17 5701 Modoc 13 mi w Canby; McKay Flat 1280 Comment
  UC1112773  Downingia bicornuta var. bicornuta Calvin McMillan 1949-6-16 1535 Modoc 3 mi s Crowder Flat (about 7 mi s of the Oregon border, n central Modoc Co.) Comment
  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
  SEINET3147634  Downingia elegans L. S. Rose 1940-6-11 40511 Modoc Canby 1326 Comment
  CAS-BOT-BC95142  Downingia insignis Elmer Ivan Applegate 1932-8-4 8159 Modoc Alturas. Comment
  CAS-BOT-BC95143  Downingia insignis John Thomas Howell 1934-6-15 12202 Modoc Dorris Reservoir. Comment
  JEPS5032  Downingia insignis Rimo Bacigalupi and L. R. Heckard 1952-6-18 3742 Modoc 0.75 mi e Canby (along U.S. Hwy 299, at railroad crossing) Comment
  SEINET8733891 Image available Downingia insignis Margaret J. Williams 1984-1 84- 66 -1 Modoc extending E for more than 2 miles; 0.2 mi E of Hwy 395 at Ravendale 1524 Comment
  CAS-BOT-BC58551  Draba densifolia M. Vasey 1990-6-28 9005 Modoc In vicinity of pass at junction of N Emerson Lake Trail and Owl Creek Trail. 2590 Comment
  CAS-BOT-BC58599  Draba densifolia Bruce Bartholomew 1995-9-3 7176 Modoc Vicinity of pass between North Emerson Lake and Eagle Basin, E side of Warner Mountains. 2410 Comment
  UC748106  Draba densifolia Annie M. Alexander and Louise Kellogg 1946-8-9 5142 Modoc slope of Squaw Peak Warner Mountains, slope of Squaw Peak (Patterson Lake trail) Comment
  CAS-BOT-BC58589  Draba verna K. Paulson; Robert Paulson 1991-5-25 221 Modoc W side of Goose Lake, ca. 1 mi. S of Log Landing. 1478 Comment
  CAS-BOT-BC58591  Draba verna Bruce Bartholomew 1993-4-5 6416 Modoc S side of Pit River on County Road 84, ca. 2 km E of County Road 85. 1340 Comment
  UCR87265  Draba verna George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC214772  Drymocallis glandulosa K. Paulson; Robert Paulson 1988-6-19 48 Modoc E of Happy Camp Guard Station. 1554 Comment
  UC12536  Drymocallis glandulosa var. glandulosa Milo S. Baker 1894-6-13 Modoc w side Egg Lake Comment
  UC545668  Drymocallis glandulosa var. glandulosa Louis C. Wheeler 1935-8-8 3810 Modoc North Fork Bidwell Creek Warner Mts., North Fork Bidwell Creek 2377 Comment
  RSA520347  Drymocallis glandulosa var. glandulosa Bruce Bartholomew 1989-6-3 4868 Modoc Boles Creek about 5.5 km E of the SE corner of Clear Lake Reservoir. 436 Comment
  CAS-BOT-BC14804  Dugaldia hoopesii Annie Montague Alexander; L. Kellogg 1946-7-7 4950 Modoc Eight Mile Creek, northeast corner of county 1752 Comment
  SEINET200141 Image available Echinochloa crus-galli H. L. Mason 1947-8-12 13510 Modoc Junction of North and South forks of Pit River Alturas Comment
  UC1024970  Echinochloa crus-galli Leo Whitney 1935-7-6 3435 Modoc Pit River near Lookout; Pit River Comment
  CHSC116188  Elatine Lowell Ahart; John Dittes 2015-7-15 20352 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC99781  Elatine californica Lowell Ahart; John Dittes 2008-6-21 14979 Modoc In shallow water, 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
  JEPS121185  Elatine californica Lowell Ahart, John Dittes 2013-7-24 18918 A Modoc Around a man-made pond, north side of Ash Creek floodplain, 0.54 air miles southeast of Pilot Butte parking area, 1.1 air miles south of County Road 87, 6.8 air miles west of Adin, Big Valley. Comment
  RSA604674  Elatine californica L. C. Wheeler 1935-8-23 3913 Modoc South Mt. Reservoir, Devil's Garden. 1677 Comment
  CHSC117565  Elatine rubella Lowell Ahart; John Dittes 2016-7-14 21211 -A Modoc The strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA210828  Elatine rubella R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39103 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CHSC112828  Eleocharis acicularis Lowell Ahart; John Dittes 2013-7-25 18967 Modoc Bottom of a dry deep drainage, west of where the road crossed, about 50 yards west of the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  RSA0106689  Eleocharis acicularis Lowell Ahart, John Dittes 2013-7-25 18967 Modoc West of where the road crossed, about 50 yards west of the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 (air) mile south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  UC1100605  Eleocharis coloradoensis Verne Grant, Irving Schneider 1947-7-19 8081 Modoc N of Likely (Williams Ranch) Comment
  CHSC110892  Eleocharis macrostachya Lowell Ahart; John Dittes 2012-7-11 18333 Modoc On the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  SD225711  Eleocharis pachycarpa Carol Witham, Jennifer Buck 2001-5-10 203 Modoc 5 miles NE along Hwy 139 from intersection with Hwy 299, south of Hwy 139, Canby site, pool #CAN001. Comment
  HSC7322  Eleocharis palustris M. T. Milligan 1966-6-30 508 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  RSA651586  Eleocharis palustris Marion P. Harthill 1971-6-23 368 Modoc Fort Bidwell. Comment
  CAS-BOT-BC242381  Eleocharis quinqueflora Calvin McMillan; Malcom A. Nobs 1949-6-16 796 Modoc Dry Valley Reservoir, 33 mi. NNW of Alturas. Comment
  UC1587042  Eleocharis rostellata G. Schoolcraft 1991-7-24 Modoc NE of Middle Alkali Lake (Leonard Hot Spring) 472 Comment
  CAS-BOT-BC245108  Elodea canadensis Milo Samuel Baker 1899-8-12 5481 Modoc Egg Lake. Comment
  RSA577894  Elodea canadensis L. C. Wheeler 1935-9-29 4011 Modoc Two miles south of Alturas 1357 Comment
  RSA210838  Elodea nuttallii Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39130 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC247721  Elymus X hansenii Bruce Bartholomew; Barrett Anderson 1988-6-23 4287 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  UCD62823  Elymus X saundersii L. Whitney 1935-7-1 3374 Modoc Hackamore River, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  UCD61523  Elymus elymoides L. D. Whitney 1935-7-11 Modoc Base of Glass Mt. Comment
  CAS-BOT-BC247745  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-6-17 5322 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CAS-BOT-BC247754  Elymus elymoides subsp. elymoides Leland S. Smith 1922-7-20 1298 Modoc Rush Creek Ranger Station. 1905 Comment
  JEPS70699  Elymus elymoides subsp. elymoides Leland S. Smith 1918-6-22 970 Modoc High Grade-Pine Creek Modoc <National> Forest Comment
  JEPS75402  Elymus elymoides subsp. elymoides Frances D. Payne 1932-7-3 594 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1025031  Elymus elymoides subsp. elymoides Leo Whitney 1935-7-19 3541 Modoc Hackamore Modoc National Forest, Lake Joaquina (ca 15 mi nw of Canby) 1463 Comment
  UC1037099  Elymus elymoides subsp. elymoides Leo Whitney 1935-7-2 3333 Modoc ca 17 mi nw Canby; Badger Wells Comment
  HSC80815  Elymus glaucus G. M. Riegel 1979-9-8 759 Modoc South Warner Mtns. 2100 Comment
  UCD62361  Elymus glaucus subsp. glaucus L. S. Smith 1918-8-11 1021 Modoc Lost Lake, Warner Mts. 2438 Comment
  CHSC99521  Elymus lanceolatus subsp. lanceolatus Lowell Ahart; John Dittes 2008-6-21 15017 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
  JEPS114842  Elymus lanceolatus subsp. lanceolatus Lowell Ahart, John Dittes 2008-6-21 15017 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
  CAS-BOT-BC247731  Elymus multisetus Bruce Bartholomew; Barrett Anderson 1990-7-19 5405 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UC1024736  Elymus multisetus Leo Whitney 1934-5-19 3044 Modoc Timbered Mountain Modoc National Forest, Devil's Garden (ne portion of county) 1524 Comment
  CHSC112792  Elymus repens Lowell Ahart; John Dittes 2013-7-24 18934 Modoc South bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  HSC8745  Elymus spicatus M. T. Milligan 1965-6-30 383 Modoc E of Jess Valley. 1707 Comment
  UC1025028  Elymus trachycaulus Leo Whitney 1935-7-19 3538 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1140906  Elymus trachycaulus L. D. Whitney 1935-7-21 3557 Modoc Happy Camp Comment
  UC70661  Elymus trachycaulus Mrs. M. H. Manning June 1903 413 c Modoc N.E. Modoc Co. Comment
  UCD32709  Elymus trachycaulus Beecher Crampton 1954-7-7 2137 Modoc Modoc County, west side of Cedar Pass. Comment
  CHSC106189  Elytrigia pontica subsp. pontica Lowell Ahart; John Dittes 2010-8-31 17119 Modoc East side of Elkins Lane, about 20 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  SEINET12087293  Enemion stipitatum M. S. Baker 1896-1 s.n. Modoc no further locality Comment
  CAS-BOT-BC191037  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1991-7-6 5971 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  CAS-BOT-BC191013  Epilobium brachycarpum Bruce Bartholomew 1989-8-10 5038 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC191018  Epilobium brachycarpum Bruce Bartholomew 1993-6-14 6670 Modoc Hopeless Pass, N of W side of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC191027  Epilobium brachycarpum Verne Grant; I. Schneider 1947-8-27 8308 Modoc 10 mi. S of Tule Lake. Comment
  HSC16319  Epilobium brachycarpum M. T. Milligan 1965-6-30 390 Modoc N end of Jess Valley 1646 Comment
  HSC26605  Epilobium brachycarpum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19429 Modoc Near Hager Reservoir Comment
  UCR77774  Epilobium brachycarpum B. Bartholomew 1989-7-14 4946 Modoc c. 8 km NE of Egg Lake and 2.5 km east of Survice Gulch. 1340 Comment
  RSA0011490  Epilobium brachycarpum Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46964 Modoc Ca. 3.4 miles north of Alturas at bridge over North Fork of Pit River Comment
  RSA462344  Epilobium brachycarpum Harlan Lewis, M. Lewis 1958-8-10 1227 Modoc U.S. Highway 395, Goose Lake Valley Comment
  SJSU9587  Epilobium campestre W. Savage 1979-7-5 1351 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1191621  Epilobium campestre Herbert L. Mason 1947-8-13 13519 Modoc n Canby (ne side of F reservoir); F reservoir Comment
  CAS-BOT-BC190993  Epilobium ciliatum subsp. ciliatum Bruce Bartholomew; Barrett Anderson 1988-7-21 4433 Modoc Vicinity of Lower Rush Creek Campground ca. 1 km E of State Highway 299 between Adin and Canby. 1430 Comment
  HSC16299  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1966-7-26 581 Modoc Slopes and ridges E of Jess Valley 1646 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
  JEPS127287  Epilobium ciliatum subsp. ciliatum Lowell Ahart, John Dittes 2016-7-14 21178 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
  UC635378  Epilobium ciliatum subsp. ciliatum F. H. Frost 1925-7-25 159 Modoc Eagle Peak Warner Mountains Comment
  UC1191704  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-7-19 8059 Modoc about 1 mi s Bayley's bridge (s of Alturas); Eastside canal 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-BC190985  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew 1989-8-11 5072 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  UC748258  Epilobium ciliatum subsp. glandulosum Annie M. Alexander and Louise Kellogg 1946-7-11 4695 Modoc slope w Eight Mile Creek (ne corner of county) Comment
  UC1191612  Epilobium densiflorum Herbert L. Mason and Verne Grant 1947-7-13 13452 Modoc near Goose Lake (w end of Pass, on road to Fort Bidwell); Fandango Pass Comment
  CAS-BOT-BC190971  Epilobium glaberrimum subsp. fastigiatum Bruce Bartholomew 1992-8-9 6396 Modoc Upper region of Owl Creek drainage, on cliffs, E of Summit Trail, E side of Warner Mountains. 2620 Comment
  NY1000352  Epilobium hallianum B. M. Bartholomew 1992-8-7 6360 Modoc Meadow 2.3 km west of West Warner Road at Soup Creek, west side of Warner Mountains 524 Comment
  POM37841  Epilobium hallianum R. M. Austin 1895-07 510 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC190958  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew 1992-8-8 6371 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  CAS-BOT-BC190953  Epilobium minutum Milo Samuel Baker; Franklin P. Nutting 1894-6-16 s.n. Modoc Near Forestdale. Comment
  NY1000490  Epilobium obcordatum B. M. Bartholomew 1995-7-31 7080 Modoc 2.4 km from Forest Service road 46N30 on road towards Bald Mountain, east side of the Warner Mountains 2150 Comment
  CAS-BOT-BC190937  Epilobium pallidum D. M. Moore 1960-6-4 118 Modoc S end of Goose Lake, 2.1 mi. W of Davis Creek on road to W side of lake. Comment
  CAS-BOT-BC190871  Epilobium pygmaeum Clare Butterworth Hardham 1974-8-6 20176 Modoc Cedar Pass. 1935 Comment
  CAS-BOT-BC190927  Epilobium pygmaeum Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13332 Modoc Eastern outskirts of Lookout. Comment
  UCR150482  Epilobium saximontanum David A. Charlet 1989-8-14 475 Modoc Warner Mtns, 1.4 km NW of Eagle Peak 2550 Comment
  CAS-BOT-BC190858  Epilobium torreyi Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13331 Modoc Eastern outskirts of Lookout. Comment
  UC4491  Epipactis gigantea M. S. Baker and Frank Nutting 1894-6-30 Modoc near Lookout; Big Valley Comment
  RSA26204  Equisetum arvense Alice Eastwood, J. T. Howell 1940-6-13 8182 Modoc East side of Cedar Pass Comment
  CAS-BOT-BC30184  Equisetum laevigatum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-13 6543 Modoc 8 km E of Likely along S Fork of Pit River. 1380 Comment
  HSC862  Equisetum laevigatum M. T. Milligan 1965-6-23 291 Modoc E of Jess Valley 1616 Comment
  RSA152447  Equisetum laevigatum I. L. Wiggins, Dorothy Wiggins 1961-6-13 16451 Modoc At southern outskirts of For Bidwell. Comment
  UC1037343  Eragrostis mexicana subsp. virescens Leo Whitney 1935-8-24 100 Modoc Comment
  HSC101860  Eragrostis minor J. P. Smith 2011-8-7 13358 Modoc Along Jesse Valley Road, E of Likely, just E of the bridge over the Pit River. 1372 Comment
  CAS-BOT-BC248311  Eremogone aculeata B. Bartholomew; H. Sun 2002-6-24 8850 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  CAS-BOT-BC95471  Eremogone aculeata Roxana Stinchfield Ferris; R. Duthie 1919-6-16 135 Modoc Above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC95479  Eremogone aculeata Alice Eastwood; John Thomas Howell 1940-6-12 8106 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC95488  Eremogone aculeata Bruce Bartholomew; Barrett Anderson 1988-5-13 4151 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  UCSB48319  Eremogone aculeata Hardham, Clare 1961-6-18 Modoc Cedar Pass 1828 Comment
  HSC4050  Eremogone aculeata M. T. Milligan 1964-6-20 70 Modoc 4 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  HSC80714  Eremogone aculeata G. M. Riegel 1978-8-17 182 Modoc S Warner Mtns. 1829 Comment
  HSC80716  Eremogone aculeata G. M. Riegel 1978-8-18 112 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC95458  Eremogone congesta John Thomas Howell 1934-6-14 12178 Modoc Patterson Mill road, Warner Mts. 2133 Comment
  CHSC115509  Eremogone congesta var. congesta L. P. Janeway 2014-7-8 11459 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
  SJSU9701  Eremogone congesta var. simulans W. Savage 1979-7-10 1532 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CHSC67117  Eriastrum signatum James D. Jokerst 1987-6-24 2941 Modoc Ca. 5 mi WSW of Alturas on BLM land ca. 1 mi W of Three Sisters, SW face of slope of summit immediately N of junction of Rds. 76 and 75. Comment
  UC295950  Ericameria bloomeri H. M. Hall 1925-8-30 12209 Modoc 30 mi from Lakeview (mt slopes e side of Goose Lake); Goose Lake Comment
  UC76032  Ericameria bloomeri Milo S. Baker Modoc Forestdale Comment
  UCR57485  Ericameria bloomeri R. D. Goeden, Don W. Ricker 1989-8-24 31 Modoc Modoc National Forest, near Happy Camp Mountain 1466 Comment
  CAS-BOT-BC14817  Ericameria greenei Harvey Monroe Hall 1925-8-30 12209 Modoc Mt. slopes, E side Goose Lake. 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
  SJSU9677  Ericameria nauseosa var. oreophila W. Savage 1979-8-23 1582 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest. T 43N, R 10E, NW 1/4 Sec 7 1511 Comment
  UC193100  Ericameria nauseosa var. oreophila Mrs. R. M. Austin 1894-8-1 Modoc n of Alturas Comment
  HSC5354  Ericameria nauseosa var. speciosa M. T. Milligan 1966-8-3 640 Modoc W slope of Eagle Peak 2439 Comment
  CAS-BOT-BC42838  Erigeron austiniae Mrs. H. C. Cantelow 1935-6-8 s.n. Modoc S of Marlin. Comment
  CAS-BOT-BC42848  Erigeron bloomeri var. bloomeri Mrs. H. C. Cantelow 1940-6-1 Modoc 10.2 mi E of Alturas. Comment
  UCSB16751  Erigeron bloomeri var. bloomeri Dearing, Hugh; Dearing, Margaret 1939-6-9 Modoc Near Squaw Peak, Warner Mts. 2133 Comment
Read comments
May 24 2013
  OBI48595  Erigeron bloomeri var. bloomeri Lewis S. Rose 1940-6-12 40539 Modoc 6 mi NE of Alturas 1341 Comment
  UC895622  Erigeron bloomeri var. bloomeri Lewis S. Rose 1940-6-12 40539 Modoc 6 mi ne Alturas 1341 Comment
  HSC5504  Erigeron coulteri M. T. Milligan 1966-7-29 602 Modoc Slopes and ridges E of Jess Valley 1982 Comment
  CDA13448  Erigeron divergens G. F. Hrusa, T. D. Wilfred 1996-7-21 13295 Modoc Modoc Plateau; Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC1540167  Erigeron divergens Dean W. Taylor 1987-8-9 9278 Modoc 1371 Comment
  CDA14605  Erigeron divergens G. D. Barbe 1991-8-28 4446 Modoc Kelley Spring, 3.4 miles (5.5 km) from Hwy 299 at Rush Creek, on primary Forest Service Road 22 and Road 40N33, Modoc National Forest. 1645 Comment
  CAS-BOT-BC42752  Erigeron eatonii var. plantagineus Clare Butterworth Hardham 1961-6-18 7573 Modoc Mountains S of Cedar Pass. 1981 Comment
  CAS-BOT-BC42753  Erigeron eatonii var. plantagineus Mrs. H. C. Cantelow 1940-6-2 3244 Modoc Road to Lava Beds Nat. Monument, 10 mi. W of Canby. Comment
  CAS-BOT-BC42763  Erigeron eatonii var. plantagineus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2144 Modoc N slope Cedar Peak, Warner Mountains Comment
  CAS-BOT-BC42783  Erigeron eatonii var. plantagineus Annie M. Alexander; Louise Kellogg 1946-6-26 4833 Modoc Dismal Swamp, north end of Warner Mountains 2255 Comment
  CAS-BOT-BC42792  Erigeron eatonii var. plantagineus M. M. Hanna 1956-6-7 1013 Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC42793  Erigeron eatonii var. plantagineus Bruce Bartholomew 1989-7-15 4991 Modoc Sweagert Flat. 1860 Comment
  SJSU6619  Erigeron eatonii var. plantagineus H. L. Buckalew 1961-6-23 Modoc near Stowe Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Road 2072 Comment
  UC87676  Erigeron eatonii var. plantagineus Mrs. R. M. Austin June 1894 Modoc Lava Beds Comment
  CAS-BOT-BC42782  Erigeron eatonii var. plantagineus Leland S. Smith 1924-6-3 1361 Modoc South of Egg Lake in timber. Comment
  POM204115  Erigeron filifolius J. T. Howell 1934-6-13 12099 Modoc Patterson Mill Road, Warner Mtns. 1677 Comment
  JEPS5925  Erigeron glacialis var. glacialis Frances D. Payne 1931-6-25 263 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  UC468830  Erigeron glacialis var. glacialis M. F. Gilman 522 Modoc Comment
  CAS-BOT-BC49638  Erigeron inornatus var. inornatus Bruce Bartholomew; Barrett Anderson 1990-7-21 5564 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  HSC81107  Erigeron inornatus var. inornatus G. M. Riegel 1979-8-24 708 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC49648  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8104 A Modoc W side of Cedar Pass. Comment
  JEPS89681  Erigeron linearis Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10452 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains 2560 Comment
Read comments
Jun 28 2007
  UC748382  Erigeron linearis Annie M. Alexander and Louise Kellogg 1946-6-27 4851 Modoc top of ridge, 2 mi by road from Dismal Swamp (n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  UC190624  Erigeron linearis M. F. Gilman 607 Modoc Comment
  UC31441  Erigeron linearis Mrs. R. M. Austin and Bruce Jul 1898 2187 Modoc Comment
  CAS-BOT-BC49576  Erigeron philadelphicus Bruce Bartholomew 1989-8-12 5128 Modoc Deep Creek, E side of Warner Mountains. 1920 Comment
  CAS-BOT-BC49580  Erigeron philadelphicus Francis Dorris Payne 1931-6-20 202 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC49587  Erigeron pumilus subsp. intermedius Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16500 Modoc Junction of gravel road to Tieneste and Glass Mt. with Highway 139, 28 mi. W of Canby Comment
  CAS-BOT-BC497225  Eriogonum caespitosum Margaret J. Williams 1988-5-30 88- 26 -8 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC197820  Eriogonum elatum Bruce Bartholomew 1991-8-5 6077 Modoc Summit Trail, between Squaw Peak and Pepperdine, W side of Warner Mts. 2240 Comment
  UCR40300  Eriogonum heracleoides var. angustifolium G. R. Ballmer, G. F. Pratt 1985-7-15 s.n. Modoc Warner Mtns., near the summit of Mount Bidwell 2500 Comment
  HSC75597  Eriogonum microthecum var. ambiguum G. M. Riegel 1980-7-14 868 Modoc S Warner Mtns. 1829 Comment
  NY572521  Eriogonum microthecum var. ambiguum B. M. Bartholomew 1991-8-5 6054 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mountains. 2530 Comment
  UC711881  Eriogonum microthecum var. ambiguum Roxana S. Ferris and Laura Lorraine 1941-8-14 10607 Modoc about 10 mi on Eagleville road Patterson Ranger Station; Modoc National Forest, Warner Mountains Comment
  NY570387  Eriogonum nudum S. L. Welsh 2001-6-14 28160 Modoc Along highway 395. Ca. 6 miles south of Alturas Comment
  CDA35639  Eriogonum nudum J. R. Keck Jr. 1985-7-1 PDR# 237693 & PDR# 237694 Modoc U. S. Forest Service land, Modoc National Forest. 0 Comment
  CAS-BOT-BC211449  Eriogonum nudum var. pubiflorum Robert J. Weatherby 1955-7-8 1637 Modoc 3 miles N of Ft. Bidwell, northern Warner Mts. 1554 Comment
  CDA36737  Eriogonum nudum var. pubiflorum Richard R. Halse 2010-9-2 8108 Modoc Warner Mountains; Modoc National Forest; along State Hwy 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead. Comment
  NY762340  Eriogonum nudum var. pubiflorum J. L. Gentry Jr. 1968-7-4 2114 Modoc 3.9 miles west of Highway jct. Calif. 139 and Calif. 299 at Pit River. 1341.1 Comment
  SEINET11261580  Eriogonum nudum var. pubiflorum Richard R. Halse 1991-7-28 4244 Modoc Along State Hwy 139, 13 miles northwest of its junction with State Hwy 299.; 0 1469 Comment
  CAS-BOT-BC211435  Eriogonum nudum var. pubiflorum B. Bartholomew; Barrett Anderson 1988-6-23 4245 Modoc 4.2 km NW of Day. 1020 Comment
  JEPS56641  Eriogonum nudum var. pubiflorum Frances D. Payne 1929-7-26 127 Modoc 2 mi s Mt. Warren (Pine Creek Basin); Warner Mts., Pine Creek Basin 2133 Comment
  HSC75596  Eriogonum ovalifolium var. nivale G. M. Riegel 1980-8-20 1073 Modoc S Warner Mtns. 1829 Comment
  NY283165  Eriogonum ovalifolium var. ovalifolium B. M. Bartholomew 1989-6-2 4828 Modoc 9.7 km. east of Eagleville at the California state border, east side of Surprise Valley. 1550 Comment
  CHSC112343  Eriogonum sphaerocephalum L. P. Janeway; B. Castro 2014-6-2 11280 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  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
  UCR163911  Eriogonum sphaerocephalum Jim Andre 1993-6-30 1414 B Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC211387  Eriogonum sphaerocephalum var. halimioides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 134 Modoc Above Parker Creek. Modoc National Forest Comment
  CAS-BOT-BC211420  Eriogonum sphaerocephalum var. halimioides K. Paulson; Robert Paulson 1989-6-14 134 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC211425  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew; Barrett Anderson 1988-6-25 4395 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  JEPS126553  Eriogonum sphaerocephalum var. halimioides Lowell Ahart, John Dittes 2016-6-6 20953 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
  JEPS56304  Eriogonum sphaerocephalum var. halimioides Frances D. Payne 1931-6-21 209 Modoc ridge sw Dry Creek (tributary of Parker Creek) (s and e of Alturas); Warner Mountains, Parker Creek, Dry Creek 1981 Comment
  JEPS56305  Eriogonum sphaerocephalum var. halimioides Frances D. Payne 1932-6-26 604 Modoc High ridges n of Parker Creek (s and e of Alturas); Warner Mountains, Parker Creek 1828 Comment
  NY283124  Eriogonum sphaerocephalum var. halimioides F. M. Ownbey 1940-7-1 2151 Modoc On Talus Slopes, Cedar Peak, Warner Mountains. Comment
  RSA31848  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1941-6-24 16193 Modoc On rocky hillside just south of Indian Springs along U. S. Highway # 299, in the Juniper Belt. Comment
  UC1250286  Eriogonum sphaerocephalum var. halimioides Annie M. Alexander and Louise Kellogg 1946-8-8 5124 Modoc Patterson Lake trail Warner Mountains, Patterson Lake trail Comment
  UC6458  Eriogonum sphaerocephalum var. halimioides Mrs. R. M. Austin June 1894 Modoc Willow Creek Valley Comment
  UC849735  Eriogonum sphaerocephalum var. halimioides Lewis S. Rose 1940-6-11 40510 Modoc 7 mi n Adin (Indian Spring); Indian Spring 1524 Comment
  CAS-BOT-BC211364  Eriogonum strictum subsp. anserinum Louis Cutter Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mts. 2377 Comment
  SBBG30656  Eriogonum umbellatum D. Myrick 1968-6-20 1962 Modoc E edge of Alturas 1332 Comment
  CAS-BOT-BC211366  Eriogonum umbellatum B. Bartholomew; Barrett Anderson 1988-6-25 4394 Modoc 5.6 km NW of State Highway 299 on County Road 73 1500 Comment
  NY399399  Eriogonum umbellatum var. dichrocephalum L. C. Wheeler 1935-8-14 3843 Modoc Pine Creek, Warner Mountains 2011.7 Comment
  UC1250317  Eriogonum umbellatum var. dichrocephalum Annie M. Alexander and Louise Kellogg 1946-7-30 5094 Modoc e slope below summit Eagle Peak; Warner Mountains, Eagle Peak Comment
  CDA22679  Eriogonum umbellatum var. dumosum T. C. Fuller 1959-7-8 6041 Modoc Highway 139, 10 miles north of Canby. 0 Comment
  RSA0118778  Eriogonum umbellatum var. dumosum Lawrence P. Janeway, B. Castro 2012-7-28 11036 Modoc Warner Mountains. At Obsidian Needles Obsidian Collecting Area; along Road 43N34 overlooking North Fork Davis Creek about 6.0 air km east-northeast of the community of Davis Creek (on Hwy 395). Comment
  CAS-BOT-BC211330  Eriogonum umbellatum var. glaberrimum Louis Cutter Wheeler 1935-8-3 3773 Modoc Pine Creek, Warner Mts. 1950 Comment
  RSA271942  Eriogonum umbellatum var. modocense Christopher Davidson 1975-6-4 2595 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 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
  UC1540182  Eriogonum umbellatum var. modocense Dean Wm. Taylor, Glenn L. Clifton, Rexford E. Palmer 1987-8-9 9274 Modoc Dry Lake 1341 Comment
  NY399278  Eriogonum umbellatum var. nevadense B. M. Bartholomew 1990-6-15 5246 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC197620  Eriogonum umbellatum var. polyanthum K. Paulson; Robert Paulson 1989-5-8 109 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC197625  Eriogonum umbellatum var. polyanthum J. L. Reveal 1971-6-22 2461 Modoc Along U.S. Highway 395 at Davis Creek. 1432 Comment
  CAS-BOT-BC197776  Eriogonum umbellatum var. polyanthum Alice Eastwood; John Thomas Howell 1940-6-13 8115 Modoc Surprise. Comment
  SJSU9133  Eriogonum umbellatum var. polyanthum H. L. Buckalew 1961-6-27 Modoc near Stough (""Stowe"") Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 2072 Comment
  POM260788  Eriogonum umbellatum var. polyanthum Thomas Howell 1940-6-13 8115 Modoc [Unspecified] Comment
  JEPS56133  Eriogonum vimineum F. H. Frost 1925-7-11 17 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon campsite Comment
  UCSB17174  Eriogonum vimineum Hardham, Clare Modoc Davis Creek, Warner Mountains 1676 Comment
  CAS-BOT-BC49557  Eriophyllum lanatum John Thomas Howell 1934-7-1 12328 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC49567  Eriophyllum lanatum Alice Eastwood; John Thomas Howell 1940-6-13 8109 Modoc Surprise Valley Comment
  CAS-BOT-BC49590  Eriophyllum lanatum John H. Hatton 1911-6-22 145 Modoc Modoc National Forest 1615 Comment
  CAS-BOT-BC49597  Eriophyllum lanatum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10512 Modoc Patterson Ranger Station (East Creek drainage), Modoc N.F., Warner Mtns. 2164 Comment
  CHSC115488  Eriophyllum lanatum var. achilleoides L. P. Janeway 2014-7-8 11471 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  HSC81109  Eriophyllum lanatum var. achilleoides G. M. Riegel 1979-7-15 555 Modoc S Warner Mtns. 1739 Comment
  HSC81111  Eriophyllum lanatum var. achilleoides G. M. Riegel 1980-7-28 954 Modoc South Warner Mtns. 1739 Comment
  RSA34971  Eriophyllum lanatum var. achilleoides Roxana S. Ferris, Laura Lorraine 1941-8-13 10512 Modoc Patterson Ranger Station (East Creek drainage). Modoc National Forest, Waner Mts. 2165 Comment
  UC186458  Eriophyllum lanatum var. achilleoides Mrs. M. H. Manning 1905-6-12 711 Modoc ne Modoc County Warner Range 1524 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
  RSA78965  Eriophyllum lanatum var. cuneatum E. K. Balls, Percy C. Everett 1952-10-11 18162 Modoc 4.9 miles west of turnoff to Lava Beds Monument, on road to Pumice Pits at east edge of Glass Flow 1280 Comment
  CAS-BOT-BC497220  Erodium Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 27 -2 Modoc Hwy 395, 0.4 mi E of Susanville road after turn to Alturas Comment
  UC68059  Erodium cicutarium Mrs. M. H. Manning 1903-3-29 61 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  UC1191957  Eryngium alismifolium Herbert L. Mason 1947-8-12 13511 Modoc Alturas, junction of N. and S. Forks of Pit River 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
  CAS-BOT-BC21479  Eryngium articulatum Leland S. Smith 1917-9-18 163 Modoc Little Grizzly Ranger Station. 1828 Comment
  CDA38325  Eryngium articulatum Gene Deal 1993-8-2 s.n. Modoc Modoc National Forest; North of Weed Valley Ranch, Modoc National Forest. 0 Comment
  RSA504596  Eryngium articulatum Bruce Bartholomew, B. Anderson 1988-6-23 4289 Modoc South side of Egg Lake, ca. 1.5 km west of the Burlington Northern railroad track 1300 Comment
  SJSU9689  Eryngium articulatum W. Savage 1979-7-24 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  UC420514  Eryngium castrense Milo S. Baker 1899-8-18 Modoc Little Hot Springs Valley Comment
Read comments
Sep 11 2007
  CAS-BOT-BC58327  Erysimum capitatum var. capitatum Bruce Bartholomew 1992-5-16 6336 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CDA3715  Erysimum cheiranthoides T. C. Fuller 1958-8-12 2071 Modoc Corporation Ranch, Likely. 0 Comment
  HSC6795  Erysimum repandum M. T. Milligan 1965-6-27 365 Modoc Eroded volcanic plateau W of Jess Valley 1829 Comment
  CHSC117498  Erythranthe breviflora Lowell Ahart; John Dittes 2016-7-14 21183 Modoc Around the strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC229907  Erythranthe breweri Bruce Bartholomew 1991-7-7 6004 Modoc SE end of Sweargart Flat. 1820 Comment
  CAS-BOT-BC229916  Erythranthe guttata Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10539 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  SEINET8380161  Erythranthe latidens B. Bartholomew 1993-6-12 6577 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CHSC109289  Erythranthe lewisii L. P. Janeway; B. Castro 2012-7-28 11034 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). Northwest-draining creek. 1938 Comment
  CAS-BOT-BC234512  Erythranthe microphylla Bruce Bartholomew; Barrett Anderson 1989-6-3 4848 Modoc Cedar Pass, Warner Mountains. 1920 Comment
  RSA550584  Erythranthe pulsiferae Bruce Bartholomew 1991-7-4 5902 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC234430  Erythranthe suksdorfii Annie Montague Alexander; L. Kellogg 1946-7-24 5078 Modoc Bear Camp Flat. 2286 Comment
  CAS-BOT-BC190755  Eschscholzia californica Elmer Ivan Applegate 1936-7-5 10530 Modoc Hospital Rock, Lave Beds National Monument. Comment
  CAS-BOT-BC218205  Euphorbia crenulata Leland S. Smith 1924-6-21 1426 Modoc Along Lava Trail, W Lava Ranger Station. Comment
  CAS-BOT-BC95710  Euphorbia serpillifolia John Thomas Howell 1934-7-2 12352 Modoc Morvitz Creek, 1 mi. S of Clear Lake. Comment
  CAS-BOT-BC95717  Euphorbia serpillifolia Fred. P. Cronemiller 1920-9-14 17 Modoc Round Valley. 1432 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
  CDA20770  Euphorbia virgata C. Pirosko 2006-6-19 PDR 1303861 Modoc Schluter Ranch; Pencil Rd, 2 miles N of Alturas off Hwy. 395. Comment
  CAS-BOT-BC15162  Eurybia integrifolia Elmer Ivan Applegate 1932-8-7 8241 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC15163  Eurybia integrifolia Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10592 Modoc Three miles from Patterson Ranger Station on road to Eagleville, Warner Mountains Comment
  CAS-BOT-BC312104  Eurybia integrifolia L. S. Smith 1918-8-10 1017 Modoc Camp One, Modoc Forest 2468 Comment
  HSC81017  Eurybia integrifolia G. M. Riegel 1978-8-16 92 Modoc South Warner Mtns. 1670 Comment
  CAS-BOT-BC498674  Fabaceae Clare B. Hardham 1961-6-18 7862 Modoc Warner Muntains. Pine Creek 1676 Comment
  CAS-BOT-BC247707  Festuca idahoensis Leland S. Smith 1924-6-1 1395 Modoc Lavas W of Egg Lake. 1310 Comment
  CAS-BOT-BC247714  Festuca idahoensis Alan Ackerman Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin. 1828 Comment
  CAS-BOT-BC247716  Festuca idahoensis Bruce Bartholomew 1990-6-15 5247 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  UCD66091  Festuca idahoensis A. H. Shunk 1923-7-26 Modoc Modoc and Siskiyou County: Tule Lake. Comment
  RSA504853  Festuca occidentalis Bruce Bartholomew, B. Anderson 1988-7-21 4430 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  UCD66160  Festuca occidentalis L. Whitney 1934-5-29 2248 Modoc Modoc National Forest. Spaulding's Butte near Hackamore, ca. 15 miles northwest of Canby. 1463 Comment
  JEPS74011  Festuca pratensis Frances D. Payne 1932-7-18 711 Modoc s. and e. Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UC1024997  Festuca pratensis Leo Whitney 1935-7-7 3389 Modoc 4 mi nw Canby; Howard Gulch Comment
  UC1037153  Festuca rubra Leo Whitney 1935-7-7 3402 Modoc 4 mi nw Canby; Howard Gulch Comment
  CAS-BOT-BC179187  Floerkea proserpinacoides Margaret J. Williams 1984-6-30 84- 80 -1 Modoc 6.8 mi. W of Cedarville-Gerlach road, Granger Canyon Rd. 1981 Comment
  CAS-BOT-BC214653  Fragaria virginiana Bruce Bartholomew; Barrett Anderson 1988-5-12 4089 Modoc 4 km NW of White Horse. 1350 Comment
  CAS-BOT-BC217077  Frangula rubra Elmer Ivan Applegate 1921-9-2 3343 Modoc SE of Dry Lake on Alturas road. Comment
  CAS-BOT-BC191141  Fraxinus latifolia Leland S. Smith 1504 Modoc West side Egg lake edge of lavas. 1310 Comment
  CAS-BOT-BC504372  Fritillaria Mrs. R. M. Austin; Bruce 1898-6-1 2288 Modoc Lake City Mountain 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
  CAS-BOT-BC242104  Fritillaria atropurpurea E. H. Steffen 1917-6-21 50 Modoc Henderson Meadow. 1676 Comment
  SEINET8478730  Fritillaria atropurpurea W. Roderick 1963-1 Modoc Comment
  CAS-BOT-BC242090  Fritillaria pudica F. Angwin 1946-5-10 s.n. Modoc Big Valley near Adin. 1280 Comment
  CAS-BOT-BC242088  Fritillaria recurva Bruce Bartholomew 1994-5-27 6705 Modoc Bowman Spring W side of the Whitehorse Mountains near the Siskyou County line. 1400 Comment
  CAS-BOT-BC179876  Galeopsis tetrahit Herbert Louis Mason; Verne Grant 1947-7-12 13417 Modoc S end of W side road, Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC225055  Galium aparine Bruce Bartholomew 1995-7-31 7125 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. Along N fork of Davis Creek 1920 Comment
  SD46729  Galium aparine Robert J. Weatherby 1955-7-8 1623 Modoc 6 miles north of Ft. Bidwell, northern Warner Mts., canyon side 1737 Comment
  CAS-BOT-BC225061  Galium bifolium Bruce Bartholomew 1990-6-15 5243 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC248326  Galium bifolium B. Bartholomew; H. Sun 2002-6-24 8821 Modoc Just SW of Manzanita Mt. and ca. 15 straight line km NW of Aden 2000 Comment
  CAS-BOT-BC248365  Galium glabrescens subsp. modocense B. Bartholomew; H. Sun 2002-6-24 8848 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  RSA202644  Galium glabrescens subsp. modocense F. Ehrendorfer, G. Ledyard Stebbins 1959-6-28 5909 Modoc Warner Mountains, Horse Mountain, near the top 2591 Comment
  SEINET12285552  Galium glabrescens subsp. modocense F. Ehrendorfer, Stebbins, G. L. 1959-1 5909 Modoc Warner Mountains, Horse Mountain, near top 2591 Comment
  UC748107  Galium mexicanum var. asperulum Annie M. Alexander and Louise Kellogg 1946-7-10 4958 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  RSA610763  Galium serpenticum subsp. warnerense Louis C. Wheeler 1935-8-6 3794 Modoc Edge of Warner Mts, 1/4 mile E Pine Cree (Town). 1555 Comment
Read comments
Mar 3 2009
  CAS-BOT-BC225083  Galium triflorum Bruce Bartholomew; Barrett Anderson 1988-7-21 4429 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC192121  Garrya fremontii E. K. Balls 1950-5-12 14652 Modoc Hillsides north of Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1859 Comment
  NY999473  Gayophytum decipiens J. T. Howell 1934-6-14 12125 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  RSA101495  Gayophytum decipiens R. Weatherby 1955-7-8 1609 -B Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  CAS-BOT-BC190837  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1991-7-6 5966 Modoc 2.4 km W of County Road 91 Forest Service road 42N03. 1340 Comment
  CAS-BOT-BC190853  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1990-7-21 5585 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  UCR77776  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1989-7-14 4948 Modoc c. 8 km NE of Egg Lake and 2.5 km east of Survice Gulch. 1340 Comment
  UCR77777  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1991-7-6 5966 Modoc 2.4 km west of County Road 91 [on?] Forest Service Road 42N03 1340 Comment
  CAS-BOT-BC190827  Gayophytum racemosum Bruce Bartholomew 1989-7-14 4963 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  RSA101494  Gayophytum racemosum R. Weatherby 1955-7-8 1609 -A Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  CAS-BOT-BC190818  Gayophytum ramosissimum John Thomas Howell 1934-6-30 12281 Modoc Duncan Horse Camp. 1355 Comment
  HSC16402  Gayophytum ramosissimum M. T. Milligan 1966-6-19 472 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC180113  Gentiana affinis var. ovata Leland S. Smith 1918-7-29 1010 Modoc Patterson Mill. 2133 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
  JEPS24348  Gentiana affinis var. ovata L. S. Smith 1918-7-29 1010 Modoc Patterson Mill Warner Mts. 2194 Comment
  SBBG3924  Geranium richardsonii H. and M. Dearing 1939-6-8 3592 Modoc Pine Cyn, Warner Mtns Comment
  SEINET8569986  Geranium richardsonii A. Sanger 1996-5-26 3590 Modoc Granger Canyon 1768 Comment
  CAS-BOT-BC180064  Geranium viscosissimum Alice Eastwood; John Thomas Howell 1940-6-13 8121 Modoc Near Davis Creek. Comment
  JEPS61436  Geranium viscosissimum Leland S. Smith 1918-7-21 1002 Modoc Blue Lake Modoc Forest 1828 Comment
  RSA0029592  Geranium viscosissimum var. nervosum C. L. Hitchcock 1940-5-27 6703 Modoc 15 miles NE of Alturas. 1677 Comment
  HSC98404  Geum macrophyllum M. T. Milligan 1966-7-1 517 Modoc Slopes and ridges E of Jess Valley 1646 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
  CAS-BOT-BC214662  Geum triflorum Elmer Ivan Applegate 1936-5-11 10273 Modoc Post Office Cavern, Lava Beds National Monument. Comment
  HSC80689  Geum triflorum G. M. Riegel 1980-8-13 1064 Modoc S Warner Mtns. 1829 Comment
  UC1299119  Geum triflorum Freed W. Hoffman 1946-5-30 681 Modoc along Highway 86 not far from Canby Comment
  UC748395  Geum triflorum Annie M. Alexander and Louise Kellogg 1946-7-11 4974 Modoc Eight Mile Creek, ne corner of Modoc County Eight Mile Creek Comment
  POM140053  Geum triflorum var. ciliatum Milo S. Baker 1893-1 s.n. Modoc Forestdale Comment
  CAS-BOT-BC190702  Gilia brecciarum subsp. brecciarum Elmer Ivan Applegate 1936-5-17 10313 Modoc Top of Gillams bluff, Lava Bed National Monument. Comment
  UCSB19697  Gilia capillaris C. Hardham 1961-6-18 7815 Modoc CEDAR PASS Comment
  CAS-BOT-BC190698  Gilia inconspicua Bruce Bartholomew 1995-5-13 6905 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1460 Comment
  CAS-BOT-BC190679  Gilia modocensis Bruce Bartholomew 1991-5-25 5764 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  UC23639  Gilia salticola Mrs. C. C. Bruce June 1898 2328 Modoc near Likely; near Likely Comment
  CAS-BOT-BC190662  Gilia sinistra subsp. sinistra Bruce Bartholomew 1994-7-2 6807 Modoc 7.2 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2190 Comment
  CAS-BOT-BC190671  Gilia sinistra subsp. sinistra Bruce Bartholomew; Barrett Anderson 1989-6-1 4729 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  SEINET3088579 Image available Glaux maritima Arnold Tiehm, Susan Croft, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8796 Modoc Surprise Valley, Surprise Valley Mineral Wells on east side of Alkali Lake. 1372 Comment
  CDA39673  Glaux maritima C. Pierce 1976-7-23 s.n. Modoc Fee Ranch, Fort Bidwell. 0 Comment
  UC65064  Glyceria borealis David Griffiths, Byron Hunter 1902-1 452 Modoc Warner Mts. Comment
  SBBG21241  Glyceria elata B. Crampton 1954-7-8 Modoc 15 mi E of Likely, Jess Valley 1676 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-BC49532  Gnaphalium palustre Roxana Stinchfield Ferris; R. Duthie 1919-6-15 160 Modoc Parker Creek, Warner Mountains. Comment
  CAS-BOT-BC49533  Gnaphalium palustre Leland S. Smith 1925-1-1 1506 Modoc Happy Camp near Ranger Station. 1371 Comment
  RSA0045635  Gratiola neglecta Lowell Ahart, John Dittes 2008-6-21 14993 Modoc 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
  UCD123723  Gratiola neglecta Verne Grant; Irving Schneider 1947-7-20 8094 Modoc south loop of Westside Road, Pitt Valley, north of Likely. 1341 Comment
  CAS-BOT-BC95538  Grayia spinosa E. S. Willits 1940-6-9 342 Modoc Cedarville Comment
  CAS-BOT-BC49542  Grindelia hirsutula Bruce Bartholomew 1989-8-11 5057 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  CAS-BOT-BC49543  Grindelia hirsutula Bruce Bartholomew 1989-7-14 4941 Modoc Stone Coal Valley, 3.2 km W of State Hwy 299. 1340 Comment
  RSA504616  Grindelia nana Bruce Bartholomew, B. Anderson 1988-7-21 4403 Modoc 2.1 km SSE of Day on the road to state Highway 299 1020 Comment
  CAS-BOT-BC189600  Hackelia Clare B. Hardham 1961-6-18 7546 Modoc Hills 3 miles E of Cedar Pass, Warner Mountains 1828 Comment
  UC24777  Hackelia californica Milo S. Baker 1893-6 Modoc near Forestdale Comment
  UC1560397  Hackelia californica E. Joyal and D. Mehlman 1988-6-28 1290 Modoc Warner Mountains, ridge road Warner Mountains Comment
  CAS-BOT-BC54093  Hackelia cusickii Bruce Bartholomew; Barrett Anderson 1989-6-3 4852 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca. 5.5 km S of Big Sage Reservoir. 1550 Comment
  SEINET12597087  Hackelia floribunda D. A. Charlet 1989-8-1 551 Modoc Warner Mountains, 0.8 km NNW of Eagle Peak. 2719 Comment
  CAS-BOT-BC54053  Hackelia micrantha Francis Dorris Payne 1929-7-7 47 Modoc Pine Creek Basin, Warner Mountains 2316 Comment
  CAS-BOT-BC497194  Hackelia micrantha E. Joyal; D. Mehlman 1988-6-28 1291 Modoc N. Warner Mts., ridge road Comment
  CAS-BOT-BC49550  Helianthus annuus Bruce Bartholomew 1989-8-10 5028 Modoc Little Hot Spring Valley, 1.6 km NW of Day. 1070 Comment
  SEINET11196832 Image available Helianthus annuus A. Carter 1946-8-18 1775 Modoc Round Valley, 3 mi NE of Adin 1402 Comment
  CAS-BOT-BC54062  Heliotropium curassavicum Louis Cutter Wheeler 1935-9-4 3943 Modoc McGinty Point, Goose Lake. 1463 Comment
  CAS-BOT-BC54063  Heliotropium curassavicum Elmer Ivan Applegate 1897-6-7 901 Modoc E side of Tule Lake. Comment
  POM71862  Heliotropium curassavicum var. oculatum Mrs. R. M. Austin, Bruce 1898-06 s.n. Modoc Goose Lake. Comment
  CAS-BOT-BC49380  Hemizonella minima John Thomas Howell 1934-7-1 12312 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  UC1597521  Hemizonella minima Mrs. R. M. Austin Modoc 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-BC21468  Heracleum lanatum Isabelo T. Kelly 1930-1-1 50 Modoc Fort Bidwell. Comment
  CAS-BOT-BC21471  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-22 4539 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mts.. 1980 Comment
  CDA35642  Heracleum maximum J. R. Keck Jr. 1985-7-11 PDR# 237698 Modoc Davis Creek, Modoc National Forest. Comment
  CHSC106329  Herniaria hirsuta subsp. hirsuta Lowell Ahart; John Dittes 2010-8-31 17110 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  CAS-BOT-BC180041  Hesperochiron californicus R. M. Austin 1894-1-1 Modoc Goose Lake Valley. Comment
  HSC68795  Hesperochiron pumilus Gary Schoolcraft 1980-4-29 209 Modoc Harper Hill N of Adin 1402 Comment
  UC217547  Hesperostipa comata H. M. Hall 1921-9-9 11663 Modoc 6 mi from Malin (northern Modoc Co.) Comment
  SJSU9369  Heteranthera dubia W. Savage 1979-7-3 1275 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC76659  Heterocodon rariflorum Milo S. Baker 1894-9-1 Modoc Forestdale Comment
  SEINET201656  Heuchera cylindrica A. Cronquist, AH Holmgren 1959-6-19 8503 Modoc Warner Mts a little above Clear Lake above Mill Creek 15 miles E of Likely. In section 27 or 28 1981 Comment
  RSA0062920  Heuchera cylindrica var. alpina Clare B. Hardham 1961-6-18 7572 Modoc Top of peaks S of summit of Cedar Pass. 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
  CAS-BOT-BC49483  Hieracium scouleri Francis Dorris Payne 1929-7-20 104 Modoc Parker Creek, Warner Mtns. 1584 Comment
  CAS-BOT-BC49516  Hieracium scouleri Elmer Ivan Applegate 1932-8-7 8236 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC49521  Hieracium scouleri Annie Montague Alexander; L. Kellogg 1946-7-7 4935 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  JEPS36591  Hieracium scouleri L. S. Smith 1917-7-18 836 Modoc Soldier Creek Modoc Forest, Warner Mts., Soldier Creek 1950 Comment
  OBI49174  Hieracium scouleri Lewis S. Rose 1940-6-12 40527 Modoc 9 mi E of Likely 1676 Comment
  RSA606146  Hieracium scouleri L. C. Wheeler 1935-8-14 3837 Modoc Pine Creek. Warner Mtns. 2011 Comment
  SEINET3147722  Hieracium scouleri L. S. Rose 1940-6-12 40527 Modoc 9 mi E of Likely 1676 Comment
  UC71692  Hieracium scouleri Mrs. M. H. Manning 1636 Modoc ne Modoc County Comment
  UC1191993  Hippuris vulgaris Herbert L. Mason and Verne Grant 1947-7-12 13429 Modoc n. Likely (s. loop of w. side of rd.) Comment
  UC1191966  Hippuris vulgaris Verne Grant and Irving Schneider 1947-7-18 8058 Modoc s. Alturas (s. loop of eastside rd. in Pit R. Valley); Pit R. Valley Comment
  HSC10126  Holcus lanatus M. T. Milligan 1966-7-1 519 Modoc N end of Jess Valley. 1616 Comment
  CAS-BOT-BC214685  Holodiscus microphyllus var. glabrescens Elmer Ivan Applegate 1932-8-5 8181 Modoc Cedar Moutain, Warner Mts. Comment
  CAS-BOT-BC214698  Holodiscus microphyllus var. glabrescens Belknap C. Goldsmith 1910-7-22 14 Modoc Summit of Sugar Hill, Warner Mts. 2133 Comment
  RSA59360  Holodiscus microphyllus var. glabrescens E. K. Balls 1950-5-20 14813 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  CHSC85125  Holosteum umbellatum John Dittes; Josephine Guardino 1991-6-1 362 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
  HSC80843  Hordeum brachyantherum G. M. Riegel 1979-8-13 660 Modoc South Warner Mtns. 2100 Comment
  SJSU2089  Hordeum brachyantherum J. W. Tilden 1958-6-26 1275 Modoc Near Cedar Pass between Alturas & Cedarville. Annotation by C.W. Sharsmith, 1961: ""Warner Mts.; coll on west side Cedar Pass at alt. c. 6000ft. fide J.W. Tilden"" 1828 Comment
  CAS-BOT-BC247686  Hordeum brachyantherum subsp. brachyantherum John H. Hatton 1911-6-20 122 Modoc unspecified Comment
  JEPS114844  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart, John Dittes 2008-6-21 15001 Modoc On dry bare soil, near a new man made shallow pond, mountain meadow, in Big Valley, about 3.3 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.0 miles (air) northeast of Bieber 1260 Comment
  UCD14404  Hordeum jubatum Sheryl Gill 1996-9-3 s.n. 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; 'Captain Jack's Stronghold' GS map quad; 1229 Comment
  CAS-BOT-BC214710  Horkelia fusca var. pseudocapitata Annie Montague Alexander; L. Kellogg 1946-7-11 4970 Modoc Eight Mile Creek, NE corner of county. Comment
  CAS-BOT-BC214715  Horkelia tridentata K. Paulson 1978-6-24 s.n. Modoc Curtis Water Hole. Comment
  UC73032  Horkelia tridentata subsp. tridentata Milo S. Baker 1893-1 Modoc Lava Beds 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-BC179324  Hydrophyllum capitatum var. alpinum L. A. M. Black 1894-4-1 107 Modoc Davis Creek. Comment
  CAS-BOT-BC179334  Hydrophyllum capitatum var. alpinum K. Paulson; Robert Paulson 1989-6-14 127 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1905 Comment
  CAS-BOT-BC179336  Hydrophyllum capitatum var. alpinum C. L. Hitchcock 1940-5-27 6682 Modoc 15 mi. NE of Alturas. 1615 Comment
  HSC13545  Hydrophyllum capitatum var. alpinum M. T. Milligan 1965-7-10 434 Modoc W slope of Eagle Peak. 2439 Comment
  UC1075750  Hydrophyllum capitatum var. alpinum Robert J. Weatherby 1955-7-7 1602 Modoc Dismal Swamp Warner Mountains (n Warner Mountains) 2240 Comment
  CAS-BOT-BC179326  Hydrophyllum capitatum var. alpinum Lindsay Stuart Smith; E. H. Steffen 1917-5-21 3 Modoc West Valley camp. 1524 Comment
  UC748088  Hymenoxys hoopesii Annie M. Alexander and Louise Kellogg 1946-7-7 4950 Modoc Eight Mile Creek 1752 Comment
  CAS-BOT-BC179904  Hypericum anagalloides Bruce Bartholomew 1995-7-30 7066 Modoc NE side of Big Valley Mountains, W of Lookout Junction. 1310 Comment
  CAS-BOT-BC179906  Hypericum anagalloides Bruce Bartholomew 1989-8-11 5055 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  POM86682  Hypericum formosum var. scouleri Mrs. R. M. Austin 1895-07 177 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC179897  Hypericum scouleri Leland S. Smith 1920-7-13 1181 Modoc Crowder Flat. 1432 Comment
  CAS-BOT-BC58445  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1988-5-14 4201 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  CAS-BOT-BC58449  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1989-4-27 4612 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CHSC516  Idahoa scapigera J. Wakeman 1963-5-11 Modoc Big Valley, along vernal pools. 1158 Comment
  UC117501  Idahoa scapigera R. M. Austin May, 1894 8 Modoc Goose Lake Valley Comment
  UCD150424  Idahoa scapigera Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  SFV10985  Iliamna bakeri J. Turner, F. M. Ball 1962-7-12 1188 Modoc Shortly below summit of Fandango Pass on east side. 1829 Comment
  SFV7752  Iliamna bakeri T. Gordon, K. Kimbrough 1975-8-15 1216 Modoc Near the entrance to Lava Beds National Monument. 1280 Comment
  UC194968  Ipomopsis aggregata W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek Warner Mtns 1676 Comment
Read comments
Apr 26 2007
  CAS-BOT-BC190653  Ipomopsis aggregata subsp. aggregata Elmer Ivan Applegate 1932-7-31 7992 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  SEINET12330750  Ipomopsis congesta M. Ownbey, Meyer, F. G. 1940-1 2133 Modoc Cedar Pass, Warner Mts Comment
  RSA639344  Isoetes howellii L. C. Wheeler 1935-10-6 4025 Modoc Lily Lake, Pine Creek. (Mt. Diablo Mer.) 2073 Comment
  UCD133357  Iva axillaris Herbert L. Mason 1947-7-10 13344 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  UCR64880  Iva axillaris George K. Helmkamp 1990-9-23 H- 01 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CDA34549  Iva axillaris subsp. robustior L. 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. Comment
  CHSC99252  Juncus ambiguus Lowell Ahart; John Dittes 2008-6-21 15002 Modoc On damp to dry bare soil, around a new man made shallow pond, mountain meadow, in Big Valley, about 3.3 miles (air) north-northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.0 miles (air) northeast of Bieber. 1260 Comment
  CDA13453  Juncus brachyphyllus G. F. Hrusa, T. D. Wilfred 1996-7-21 13300 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC711865  Juncus bufonius Roxana S. Ferris and Laura Lorraine 1941-8-14 10603 Modoc 8.5 mi from Patterson Ranger Station (on Eagleville road); Warner Mountains, Modoc National Forest Comment
  UCR67455  Juncus bufonius George K. Helmkamp 1990-9-23 I- 16 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  JEPS121224  Juncus bufonius var. congestus Lowell Ahart, John Dittes 2013-7-24 18929 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-BC245067  Juncus confusus Louis Cutter Wheeler 1935-9-23 4001 Modoc Pease Flat, Devil's Garden. 1524 Comment
  HSC14016  Juncus ensifolius M. T. Milligan 1966-8-3 635 Modoc W slope of Eagle Peak 2439 Comment
  HSC14017  Juncus ensifolius M. T. Milligan 1966-7-5 562 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  JEPS119967  Juncus ensifolius Lowell Ahart, John Dittes 2012-7-12 18369 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
  UC1601868  Juncus ensifolius Baker and Nutting 1894-7-6 Modoc Dixie Valley Comment
  UC70022  Juncus ensifolius Mrs. M. H. Manning Aug 1903 444 Modoc ne Modoc County Comment
  CAS-BOT-BC245048  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-24 7036 Modoc 6 km E of Burlington Northern Railroad track on Forest Service Road 42N03. 1340 Comment
  RSA577912  Juncus hemiendytus var. hemiendytus L. C. Wheeler 1935-8-1 3739 Modoc Dismal Swamp. Twenty Mile Creek, Warner Mountains. 2226 Comment
  CHSC100840  Juncus mertensianus L. P. Janeway; B. Castro 2008-8-17 9573 A Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. Near moist bed of small rocky drainage channel. On moist slope on the side of the drainage. 2372 Comment
  UC2483  Juncus mexicanus Baker and Nutting Modoc Dixie Valley Comment
  UC1601791  Juncus nevadensis Baker and Nutting 1894-1 Modoc Comment
  SJSU9687  Juncus tenuis W. Savage 1979-7-24 1565 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  SDSU1822  Juniperus californica L. N. Harvey 1930-9-24 Modoc Comment
  CAS-BOT-BC81206  Juniperus occidentalis Roxana S. Ferris; Rena Duthie 1919-6-13 104 Modoc Parker Creek, Warner Mts. 1981 Comment
  HSC1272  Juniperus occidentalis M. G. Burgoyne 1962-4-14 1006 Modoc 6 mi. W of Cedarville on Cedarville Hwy. 1677 Comment
  UC1134338  Juniperus occidentalis R. C. Wilson 1933-6-27 54 Modoc Rush Creek Modoc National Forest, Canby Quad., Rush Creek 1463 Comment
  SEINET10612939  Juniperus occidentalis Leila M. Shultz, John S. Shultz 1985-6-23 Shultz 8587 Modoc Lava Beds National Monument, approximately 20 miles south of Tulelake; western extension of the Great Basin in California. 1320 Comment
  RSA6216  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1929-7-29 6083 Modoc Clear Lake Comment
  SEINET5512259  Juniperus occidentalis var. occidentalis J. C. Beatley 1964-1 Modoc Tule Lake area 1829 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
  CAS-BOT-BC95676  Kalmia polifolia Bruce Bartholomew 1995-7-31 7113 Modoc Upper reaches of Goose Creek, E side of the Warner Mountains. 2160 Comment
  RSA604326  Kalmia polifolia subsp. microphylla L. C. Wheeler 1935-8-4 3776 Modoc Pine Creek, Warner Mts. 2210 Comment
  UC748424  Kalmia polifolia subsp. microphylla Annie M. Alexander and Louise Kellogg 1946-6-27 4852 Modoc 2 mi by road from Dismal Swamp (Highgrade, n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  CAS-BOT-BC225090  Kelloggia galioides Bruce Bartholomew 1989-7-15 5013 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC225095  Kelloggia galioides Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10614 A Modoc Summit of Fandango Pass. 1889 Comment
  CAS-BOT-BC248319  Kelloggia galioides B. Bartholomew 2002-8-26 8871 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  CAS-BOT-BC247643  Koeleria macrantha R. M. Austin 1895-7-1 494 Modoc Goose Lake Valley. Comment
  CHSC69491  Koeleria macrantha James D. Jokerst 1987-5-13 2871 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  CHSC112816  Lactuca serriola Lowell Ahart; John Dittes 2013-7-25 18947 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
  POM33424  Lactuca tatarica var. pulchella Mrs. R. M. Austin 1895-07 571 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC49493  Lagophylla ramosissima subsp. ramosissima Francis Dorris Payne 1935-8-23 802 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC179874  Lamium amplexicaule Leland S. Smith 1919-5-7 1093 Modoc Jess Valley-Clarke Ranch. 1676 Comment
  RSA59531  Lamium amplexicaule E. K. Balls 1950-5-20 14808 Modoc 2 mi. E. of South Fork Public Camp, along South Fork Pit River to Jess Valley. 1463 Comment
  CAS-BOT-BC49453  Lasthenia glaberrima Bruce Bartholomew; Barrett Anderson 1990-7-19 5408 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  HSC28509  Lathyrus brownii D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19472 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC15393  Lathyrus brownii Baker and Nutting 1894-6-16 Modoc Forestdale Comment
  JEPS55327  Lathyrus lanszwertii var. aridus Milo S. Baker 1898-1 Modoc Forestdale Comment
  SD46422  Lathyrus lanszwertii var. lanszwertii Robert J. Weatherby 1955-7-8 1621 Modoc Northern Warner Mountains, 6 miles north of Fort Bidwell, dry hillsides 1783 Comment
  RSA245208  Lathyrus pauciflorus subsp. brownii D. H. Norris, T. Nelson, S. Dowty, B. Norris 1971-6-23 19472 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  UC89252  Layia glandulosa Mrs. R. M. Austin 1885-6-1 Modoc Joseph Creek Comment
  UC1536818  Lemna minor Gordon H. True Jr. 1939-7-6 1002 Modoc Gooch Swamp near Lookout; Gooch Swamp Comment
  JEPS123836  Lemna minuta Lowell Ahart, John Dittes 2015-7-17 20397 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
  CHSC106184  Lepidium campestre Lowell Ahart; John Dittes 2010-8-31 17109 Modoc About 40 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1274 Comment
  RSA424438  Lepidium latifolium Margaret J. Williams 1984-7-1 84- 89 -1 Modoc NW of Alturas, N of Hwy 299, Crowder Flat road. 1372 Comment
  CAS-BOT-BC58302  Lepidium perfoliatum Bruce Bartholomew; Barrett Anderson 1988-6-25 4382 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  UCD115844  Lepidium perfoliatum Robbins; Raynor 1943-6-1 s.n. Modoc Near Likely. Comment
  JEPS53761  Lepidium virginicum var. medium Milo S. Baker Jul 1894 Modoc near Bieber; Big Valley Comment
  UC881528  Leptodactylon pungens Lewis S. Rose 1940-6-12 40519 Modoc 5 mi e Likely 1524 Comment
  UC106732  Leptodactylon pungens Mrs. Austin Modoc hills e Goose Lake (e of Goose Lake); hills e of Goose Lake Comment
  CHSC114021  Leptosiphon harknessii L. P. Janeway 2014-7-7 11444 Modoc Warner Mountians. East side of crest of Warner Mountains 2.3 air-km east of Cedar Pass; along Road 43N07 1.4 road-km east of Stough Reservoir. 2000 Comment
  RSA503046  Leptosiphon nuttallii K. Paulson, R. Paulson 1988-7-9 70 Modoc Near Poison Lake, Warner Mountains 2134 Comment
  HSC75594  Leptosiphon nuttallii G. M. Riegel 1980-7-30 960 Modoc S Warner Mtns. 1739 Comment
  UCD118978  Leptosiphon nuttallii subsp. nuttallii Schoolcrft et al 2000-7-17 2916 Modoc N. Warner Mountains, east of Poison Lake. 2225 Comment
  SJSU8682  Leptosiphon septentrionalis W. Savage 1979-7-5 1380 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC10692  Lesquerella occidentalis subsp. occidentalis Mrs. C. C. Bruce June 1898 2136 Modoc Lake City Mt. Comment
  CAS-BOT-BC49462  Leucanthemum vulgare Bruce Bartholomew; Barrett Anderson 1988-7-23 4589 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  JEPS4015  Leucocrinum montanum L. S. Smith 1917-5-21 1 Modoc West Valley; Warner Mts. 1981 Comment
  CAS-BOT-BC197452  Lewisia nevadensis Leland S. Smith 1918-5-31 930 Modoc Little Grizzley Ranger Station, Lassen Creek. 1828 Comment
  HSC75885  Lewisia nevadensis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19335 Modoc Soup Springs Campground Comment
  UC412640  Lewisia nevadensis Franklin P. Nutting Modoc Forestdale Comment
  CAS-BOT-BC197489  Lewisia rediviva Bruce Bartholomew; Barrett Anderson 1989-6-1 4741 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC197492  Lewisia rediviva K. Paulson; Robert Paulson 1989-5-21 124 Modoc Steele Swamp Road, Devil's Garden. 1371 Comment
  HSC26015  Lewisia rediviva D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19371 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC7812  Lewisia rediviva Milo S. Baker 1893-7-3 Modoc near Lookout; Big Valley 1219 Comment
  JEPS43175  Lewisia rediviva Frances D. Payne 1929-6-23 25 Modoc Parker Creek Warner Mountains, Parker Creek 1584 Comment
  NY497625  Lewisia triphylla B. M. Bartholomew 1990-7-20 5525 Modoc Tamarack Flat, east side of Warner Mountains. 2150 Comment
  CAS-BOT-BC247632  Leymus triticoides Leland S. Smith 1917-7-23 144 Modoc Joseph Creek. 1706 Comment
  JEPS68582  Leymus triticoides Leland S. Smith 1917-7-23 893 Modoc Joseph Creek 1706 Comment
  SEINET182349  Leymus triticoides F. Payne 782 Modoc Warner Mountains Comment
  UC1037167  Leymus triticoides Leo Whitney 1935-7-17 3511 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1037170  Leymus triticoides Leo Whitney 1935-7-21 3523 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  CHSC109486  Ligusticum grayi L. P. Janeway; B. Castro 2012-7-25 10979 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  CAS-BOT-BC436037  Ligusticum grayi John Thomas Howell 1934-6-14 12150 Modoc Warner Mts., near Los Lake 2438 Comment
  UC1100165  Lilaea scilloides Verne Grant and Irving Schneider 1947-7-18 8040 Modoc 5 mi n Bayley's Bridge (s of Alturas, Eastside Canal) Comment
  CAS-BOT-BC242072  Lilium pardalinum subsp. shastense Bruce Bartholomew 1989-7-14 4933 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC242069  Lilium washingtonianum Leland S. Smith 1924-6-6 1375 Modoc Egg Lake region. Comment
  UC1101423  Limosella acaulis Herbert L. Mason 1947-8-13 13529 Modoc ne side F Reservoir (n of Canby); ne side of F reservoir Comment
  UC1101426  Limosella aquatica Herbert L. Mason and Verne Grant 1947-7-12 13418 Modoc s Alturas (Pit River Valley); Pit River Valley Comment
  CAS-BOT-BC190627  Linanthus bolanderi Bruce Bartholomew; Barrett Anderson 1989-4-27 4625 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  CAS-BOT-BC198034  Linanthus harknessii Alice Eastwood; John Thomas Howell 1940-6-14 8222 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC198036  Linanthus harknessii Annie Montague Alexander; L. Kellogg 1946-7-10 4954 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-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
  SJSU9649  Linanthus pungens W. Savage 1979-7-8 1483 Modoc N end Fairchild Swamp Unit, Triangle Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC229896  Linaria dalmatica Thomas C. Fuller 1962-8-29 9485 Modoc Near Sugar Hill planting, Lassen Creek. 11 mi. S of New Pine Creek. Comment
  HSC20665  Linaria dalmatica subsp. dalmatica M. T. Milligan 1964-6-27 93 Modoc Old mill, Lassen Creek 1829 Comment
  CDA6354  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-8-27 11169 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CAS-BOT-BC179166  Linum lewisii B. Bartholomew 1991-5-25 5758 Modoc Turner Creek at County Rd. 90, N end of Big Valley, 6.4 km N of Lassen County line. 1230 Comment
  CAS-BOT-BC179164  Linum lewisii John H. Hatton 1911-6-10 19 Modoc Modoc County. 1524 Comment
  HSC15811  Linum lewisii M. T. Milligan 1965-6-26 340 Modoc E slope 1677 Comment
  POM86833  Linum lewisii R. M. Austin 1895-07 477 Modoc Willow Creek, Devils Garden. Comment
Read comments
Jan 1 2016
  CHSC112754  Linum lewisii var. lewisii Lowell Ahart; John Dittes 2013-7-25 18948 Modoc Meadow, 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
  CAS-BOT-BC242176  Listera convallarioides Bruce Bartholomew 1991-8-6 6088 Modoc Field redacted by CAS, contact the data manager for more information 2130 Comment
  UC748215  Lithophragma glabrum Annie M. Alexander and Louise Kellogg 1946-6-5 4666 Modoc s Eagleville (Emerson Creek); Warner Mountains, Emerson Creek 2072 Comment
  JEPS47649  Lithophragma glabrum Milo S. Baker 1896-5-15 Modoc Big Valley; near Johnsons Comment
  HSC80735  Lithophragma parviflorum G. M. Riegel 1978-6-26 16 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC225825  Lithophragma parviflorum R. M. Austin s.n. Modoc Modoc County. Comment
  JEPS3945  Lithophragma parviflorum N. T. Mirov 1929-6-22 Modoc near Fandango Valley; Warner Mountains, near Fandango Valley 1828 Comment
  UC402494  Lithophragma parviflorum M. F. Gilman 620 Modoc 1524 Comment
  CAS-BOT-BC225841  Lithophragma tenellum Bruce Bartholomew; Mona Bourell 1990-4-27 5167 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  HSC75893  Lithophragma tenellum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19316 Modoc Soup Springs Campground Comment
  CAS-BOT-BC54030  Lithospermum ruderale K. Paulson; Robert Paulson 1991-5-25 219 Modoc W side of Goose Lake, vicinity of Log Landing. 1478 Comment
  CAS-BOT-BC54040  Lithospermum ruderale Edward Kent Balls 1950-5-11 14614 Modoc 2 mi. N of Lake City, W of Upper Alkali Lake. 1417 Comment
  POM260351  Lithospermum ruderale C. L. Hitchcock 1940-5-27 6654 Modoc 9 miles northeast of Alturas. 1402 Comment
  CAS-BOT-BC21444  Lomatium bicolor var. leptocarpum E. S. Willits 1940-4-16 176 Modoc Sugar Hill. Comment
  JEPS89919  Lomatium bicolor var. leptocarpum Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9114 Modoc headwaters of upper S. Deep Creek Warner Mts., headwaters of upper S. Deep Creek 2194 Comment
  CAS-BOT-BC21434  Lomatium canbyi Isabelo T. Kelly 1930-1-1 10 Modoc Cow Lake. Comment
  HSC27251  Lomatium canbyi J. P. Smith, J. O. Sawyer 1972-5-6 5275 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  UC1618522  Lomatium hendersonii Glenn Clifton 1994-4-8 32592 Modoc 1.8 mi. e.-s.e. Wade Williams Spring (s.w. of a 4 WD rd.) 1519 Comment
  CHSC117772  Lomatium macrocarpum L. P. Janeway 2016-5-19 12095 Modoc Modoc Plateau. Devils Garden area; along Crowder Flat Road (Road 73/48N08) 1.8 road-km south of Road 73/181/47N09; about 1.8 air-km south-southeast of Janes Reservoir. 1548 Comment
  POM78500  Lomatium macrocarpum Mrs. R. M. Austin 1895-05 28 Modoc Goose Lake Valley Comment
  RSA554796  Lomatium macrocarpum Margaret J. Williams 1988-5-30 88- 26 -1 Modoc Jess Valley, east of Likely, south of roadside rest 1524 Comment
  CAS-BOT-BC15773  Lomatium nudicaule Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6443 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  SEINET8802402  Lomatium nudicaule R. R. Halse 1976-6-13 1400 Modoc Modoc National Forest, Upper Rush Creek Campground 1585 Comment
  JEPS17004  Lomatium piperi L. S. Smith c. 1918 1196 Modoc Modoc Forest, Devil's Garden district, Long Meadows 1524 Comment
  CHSC31504  Lomatium triternatum var. macrocarpum N. E. H. Prouty 1980-6-2 178 Modoc Northern side of Dry Creek Basin Rd. Comment
  JEPS5964  Lomatium triternatum var. macrocarpum Frances D. Payne 1931-6-18 197 Modoc S and E of Alturas (Parker Creek); Warner Mountains 1584 Comment
  OBI8880  Lomatium triternatum var. macrocarpum Tracey and Viola Call, Viola Call 1964-6-23 2281 Modoc 1 mi S of Perez Comment
  SEINET10545662  Lomatium triternatum var. macrocarpum Jeffrey Huber 1971-6-3 Huber 99 Modoc 5 mi. S of Canby on CA Hwy. 299. 1280 Comment
  UC1246753  Lomatium triternatum var. macrocarpum A. S. Barclay, R. D. Barbee, K. E. Blum and S. D. Koch 1962-7-19 1397 Modoc 17 mi N of Alturas (Hwy 395) 1371 Comment
  CAS-BOT-BC21411  Lomatium triternatum var. triternatum Mrs. H. C. Cantelow 1940-5-31 4508 Modoc 3 mi. E of Canby. Comment
  CAS-BOT-BC21419  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-12 12016 Modoc Between Davis Creek and Plum Valley. Comment
  POM78592  Lomatium triternatum var. triternatum Mrs. R. M. Austin 1895-08 s.n. Modoc Goose Lake Valley Comment
  CAS-BOT-BC21415  Lomatium triternatum var. triternatum 1976-5-29 8 LM76 Modoc Devils Garden N of Alturas. 1402 Comment
  RSA0049633  Lomatium vaginatum Dean Wm. Taylor 2012-6-5 21223 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  UC106268  Lomatium vaginatum Mrs. R. M. Austin 1894-1 74 Modoc Goose Lake Valley Comment
  UC1561209  Lomatium vaginatum Barbara Ertter 1989-5-2 8433 Modoc on Hwy 395 n.e. <Alturus> (2.9 mi. n. of junction to Cedarville (Rt. 299)) 1402 Comment
  RSA503237  Lonicera interrupta Bruce Bartholomew, B. Anderson 1988-6-23 4268 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC95176  Lonicera involucrata var. involucrata R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2355 Modoc Mt. Bidwell. Comment
  UC71807  Lotus denticulatus Mrs. M. H. Manning Jun 1904 463 Modoc near Fort Bidwell (ne Modoc County) Comment
  CAS-BOT-BC181941  Lotus purshianus var. purshianus John Thomas Howell 1934-6-30 12295 Modoc Duncan Horse Camp. 1355 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
  RSA534615  Lupinus Bruce Bartholomew, B. Anderson 1989-6-3 4914 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  UC511321  Lupinus angustiflorus Lyman Benson 1930-7-18 2235 Modoc sw Alturas; Upper Pit, sw of Alturas 1219 Comment
  CHSC70729  Lupinus arbustus A. Sanger 1997-6-22 2529 Modoc In and adjacent to pine plantation near Soup Springs. 2133 Comment
  SEINET5586601  Lupinus arbustus John F. Emmel 1996-1 1434 Modoc Warner Mts.; ridge 1.1-1.5 air miles south and 0.3-0.5 air mile west of Emerson Peak. Comment
  NY732854  Lupinus arbustus subsp. calcaratus M. Bourell 1993-8-14 5227 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  NY732856  Lupinus arbustus subsp. calcaratus A. M. Alexander 1946-7-17 5004 Modoc Near Benton Meadow, Warner Mountains 2073 Comment
  CAS-BOT-BC182186  Lupinus argenteus E. S. Willits 1940-6-9 333 Modoc Fort Bidwell. Comment
  UC71804  Lupinus argenteus Mrs. M. H. Manning 1902-10-4 50 Modoc near Fort Bidwell (ne Modoc County); near Fort Bidwell Comment
  RSA32937  Lupinus argenteus A. A. Heller 1938-6-24 15222 Modoc Occasional clumps in gravel on slopes between Alturas and Canby. 1341 Comment
  UC199287  Lupinus argenteus M. F. Gilman 546 Modoc Comment
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Jan 12 2007
  SEINET10490484  Lupinus argenteus subsp. argenteus H. P. Bracelin 1931-6-30 Bracelin 500 Modoc Open field at s end of town. Bush 2 ft high; redish purple flower 1524 Comment
  CAS-BOT-BC182082  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-13 8124 Modoc Near Davis Creek. Comment
  CAS-BOT-BC182091  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47454 Modoc Highway 395, Davis Creek (town), 6.4 mi. S. Comment
  CAS-BOT-BC182122  Lupinus argenteus var. heteranthus John Thomas Howell 1934-6-14 12181 Modoc Near North Fork of Baxter Creek, Warner Mts. 1524 Comment
  CHSC107346  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2011-6-22 17555 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
  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
  RSA0037173  Lupinus argenteus var. heteranthus Lowell A. Ahart, John Dittes 2012-7-11 18338 Modoc North edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1332124  Lupinus argenteus var. heteranthus Alice Eastwood, John Thomas Howell 1940-6-13 8137 Modoc w side Fandango Pass; w side of Fandango Pass Comment
  UC710955  Lupinus argenteus var. heteranthus C. L. Hitchcock 1940-5-27 6653 Modoc 9 mi ne Alturas; ne of Alturas 1402 Comment
  JEPS15481  Lupinus argenteus var. heteranthus Joseph and Hilda Grinnell 1938-6-14 1105 a Modoc along hiway #395 between Alturas and Oregon line (Fairport); Fairport 1524 Comment
  RSA614700  Lupinus argenteus var. palmeri G. R. Ballmer 1988-7-20 s.n. Modoc Horse Ridge, in the Warner Mountains, near NW corner of the South Warner Wilderness Game Refuge, SW of Cedarville. 2134 Comment
  SEINET10936588  Lupinus caudatus subsp. caudatus David B. Dunn, Billy Joe Cox; Lewis S. Fleak 1970-6-8 Dunn 16944 Modoc 5 mi. S of pine creek on us hwy 395 e of goose lake; on clay road cut in Grassland. Comment
  UC127004  Lupinus lepidus var. lobbii Milo S. Baker 1893-6 Modoc Comment
  CHSC67110  Lupinus lepidus var. sellulus James D. Jokerst 1987-5-13 2868 Modoc Radar Survey Site S of Doublhead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  JEPS119667  Lupinus lepidus var. sellulus Lowell Ahart, John Dittes 2012-7-11 18343 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  SEINET10491189  Lupinus leucophyllus var. leucophyllus Delzie Demaree 1959-8-15 Demaree 41468 Modoc Moist bottoms; modoc nat'l forest. Comment
  NY747434  Lupinus microcarpus H. D. D. Ripley 1944-5-31 5988 Modoc Northwest of Alturas 1372 Comment
  NY747436  Lupinus microcarpus A. A. Heller 1941-6-25 16197 Modoc On the Cedarville road a short distance east of the junction with U. S. Highway #395 Comment
  CAS-BOT-BC181841  Lupinus microcarpus var. microcarpus C. P. Smith 1947-6-13 47451 Modoc 2.5 mi. S of Canby, Highway 299. Comment
  JEPS65480  Lupinus microcarpus var. microcarpus Frances D. Payne 1929-7-2 37 Modoc s and e Alturas (Parker Creek, Fern Spring Gulch); Warner Mountains, Parker Creek, Fern Spring Gulch 1584 Comment
  CAS-BOT-BC181825  Lupinus polyphyllus var. burkei R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2142 Modoc Modoc County. Comment
  NY747612  Lupinus polyphyllus var. saxosus R. M. Austin 05 1898 2140 Modoc Comment
  UC126930  Lupinus saxosus Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  SEINET10486216  Lupinus saxosus Billy Joe Cox 1971-6-3 Cox 2608 Modoc 6 mi n of alturas on u.s. Hwy. 395, W-facing slope, in middle of grassland Pasture, edging into artemesia which adjoins juniper woodland. Lupinus sp. In Very dense populations on every slope for over a mile n, more or less a valley Side in decomposing basalt with lighter soil above. 1341 Comment
  RSA325721  Lupinus subvexus var. subvexus A. Tiehm 8833 Modoc North edge of Lake Annie on the west side of Bidwell Mt., NE of Ft. Bidwell. 1530 Comment
  RSA372065  Lupinus subvexus var. subvexus A. Tiehm 1984-6-30 8833 Modoc N edge of Lake Annie on the W side of Bidwell Mt, NE of Ft. Bidwell. 1530 Comment
  HSC63628  Lycopus uniflorus J. P. Smith, J. O. Sawyer 1973-8-9 7275 Modoc Blue Lake, Modoc National Forest 1829 Comment
  CAS-BOT-BC49430  Madia citriodora Bruce Bartholomew 1990-6-15 5220 Modoc W side of Deer Spring Ridge in vicinity of Reid Draw, ca. 1 km N of the Lasson Co. border. 1540 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
  CAS-BOT-BC49440  Madia exigua Barrett Anderson 1986-7-9 3135 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC49401  Madia glomerata Bruce Bartholomew 1989-8-10 5043 Modoc Little Hot Spring Valley, 3.9 km NW of Day. 1070 Comment
  CAS-BOT-BC49409  Madia glomerata Mrs. M. H. Manning 17 Aug 741 Modoc Joseph Creek. Comment
  CHSC99902  Madia glomerata Lowell Ahart; John Dittes 2008-8-25 15296 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  JEPS117315  Madia glomerata Lowell Ahart, John Dittes 2010-8-30 17076 Modoc About 15 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
  JEPS6001  Madia glomerata Frances D. Payne 1933-8-5 771 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC49376  Madia gracilis Annie Montague Alexander; L. Kellogg 1946-7-12 4980 Modoc Twelve Mile Creek. Comment
  JEPS5969  Madia gracilis Frances D. Payne 1935-8-25 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  NY500374  Mahonia repens B. M. Bartholomew 1989-6-1 4773 Modoc South Fork Davis Creek in the vicinity of the Plum Valley campground 1720 Comment
  NY500376  Mahonia repens A. J. Cronquist 1959-6-19 8512 Modoc Brushy slopes at the upper end of Clear Lake; Warner Moutains; 15 miles east of Likely. 1828.8 Comment
  NY500377  Mahonia repens L. C. Wheeler 1935-8-14 3838 Modoc Pine Creek, Warner Mountains 2011.7 Comment
  RSA101499  Mahonia repens R. Weatherby 1955-7-7 1605 Modoc 8 mi. north of Ft. Bidwell, Warner Mts. 1951 Comment
  RSA486353  Mahonia repens Bruce Bartholomew, B. Anderson 1988-5-13 4175 Modoc 0.6 km N of Jess Valley on West Warner Road, W side of the Warner Mountains. Northern Jeffrey pine forest. 1620 Comment
  RSA59540  Mahonia repens E. K. Balls 1950-5-20 14800 Modoc Above Mill Creek Falls Camp, toward Clear Lake. 1784 Comment
  CAS-BOT-BC242174  Maianthemum racemosum K. Paulson 1988-6-19 45 Modoc Cedar Springs area. 1539 Comment
  HSC65601  Maianthemum racemosum subsp. amplexicaule Thomas Wood 1979-8-9 235 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of Jct. with Hwy. 2, N of Fort Bidwell. 1509 Comment
  RSA59523  Maianthemum stellatum E. K. Balls 1950-5-21 14817 Modoc Around South Fork Public Camp, South Fork Pit River, Likely to Jess Valley 1433 Comment
  POM172674  Maianthemum stellatum Franklin P. Nutting 1894-6-15 s.n. Modoc Big Valley Mountains Comment
  CAS-BOT-BC49387  Malacothrix sonchoides Bruce Bartholomew 1992-5-15 6290 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E the N end of Middle Alkali Lake. 1410 Comment
  CAS-BOT-BC179098  Malva neglecta Mrs. H. C. Cantelow 1940-6-1 4012 Modoc E slope Cedar Pass. Comment
  CAS-BOT-BC95625  Marah fabacea Bruce Bartholomew 1992-5-14 6274 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 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
  UC375183  Marsilea Milo S. Baker 1893-7-20 Modoc Big Valley Comment
  RSA639345  Marsilea oligospora L. C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil s Garden. 1524 Comment
  JEPS65520  Medicago lupulina Frances D. Payne 1931-6-17 178 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC1137125  Melica subulata August L. Hormay 1932-7-17 Modoc Lily Lake Comment
  HSC15013  Melilotus officinalis Fred J. Kindel 1955-6-23 Modoc Pitt River Comment
  CHSC99961  Mentha canadensis Lowell Ahart; John Dittes 2008-8-26 15345 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CAS-BOT-BC179135  Mentzelia dispersa C. L. Hitchcock 1940-5-27 6690 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC179141  Mentzelia dispersa John Thomas Howell 1934-6-12 12042 Modoc N side of Fandango Valley. Comment
  CAS-BOT-BC179149  Mentzelia dispersa Mrs. H. C. Cantelow 1940-6-1 3995 Modoc E of Alturas, road to Warner Mts. Comment
  CAS-BOT-BC179125  Mentzelia laevicaulis Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10608 Modoc E slope of Fandango Pass near base of pass. Comment
  CAS-BOT-BC179130  Mentzelia laevicaulis L. A. M. Black 1893-8-1 77 Modoc Surprise Valley Comment
  CAS-BOT-BC179120  Mentzelia montana Alice Eastwood; John Thomas Howell 1940-6-14 8254 Modoc Between Mammoth Cave and Lava Bed National Monument. Comment
  HSC80938  Mertensia ciliata var. stomatechoides G. M. Riegel 1980-7-30 973 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC54001  Mertensia longiflora Francis Dorris Payne 1932-5-27 408 Modoc Parker Creek. 1584 Comment
  NY1084277  Mertensia oblongifolia B. M. Bartholomew 1989-6-2 4794 Modoc Surprise Valley Road, just south of the Oregon border, extreme NE corner of Modoc County 1630 Comment
  CAS-BOT-BC54009  Mertensia oblongifolia var. amoena Milo Samuel Baker 1893-8-1 s.n. Modoc Craigs. Comment
  CAS-BOT-BC225964  Micranthes nidifica Bruce Bartholomew; Mona Bourell 1990-4-27 5171 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  CAS-BOT-BC95554  Micromonolepis pusilla Bruce Bartholomew 1993-6-13 6643 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  CAS-BOT-BC49390  Microseris laciniata subsp. laciniata Leland S. Smith 1924-6-8 1382 Modoc Egg Lake near SW corner in meadow. 1341 Comment
  CAS-BOT-BC49357  Microseris nutans Francis Dorris Payne 1932-6-26 609 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC49360  Microseris nutans Clare Butterworth Hardham 1961-6-18 7590 Modoc Cedar Pass. 1828 Comment
  CAS-BOT-BC49397  Microseris nutans Elmer Ivan Applegate 1932-8-1 8005 Modoc Mill Creek Meadows, western slope of Warner Mts. Comment
  JEPS6017  Microseris nutans Frances D. Payne 1932-6-26 609 Modoc high ridges n Parker Creek (s and e of Alturas); Warner Mountains, high ridges n of Parker Creek 1828 Comment
  JEPS35643  Microseris nutans Milo S. Baker 1893-6-18 Modoc Pine timber Comment
  HSC17121  Microsteris gracilis M. T. Milligan 1965-6-27 361 Modoc E slope of eroded volcanic plateau. 1677 Comment
  RSA520452  Microsteris gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1989-4-27 4619 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UC1540231  Mimulus breviflorus Dean Wm. Taylor, Glenn L. Clifton 1987-6-24 9055 Modoc along inlet stream at extreme se portion of lakebed Egg Lake 1280 Comment
  UC27096  Mimulus breviflorus Mrs. R. M. Austin June, 1894 Modoc Willow Creek Comment
  RSA430187  Mimulus breviflorus Louis C. Wheeler 1935-8-3 3766 Modoc Warner Mountains: Pine Creek. 1738 Comment
  UC1025085  Mimulus breweri Leo Whitney 1935-5-18 3087 Modoc ca. 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC69690  Mimulus breweri Mrs. M. H. Manning 1903-8-21 315 Modoc Mt. Bidwell 1981 Comment
  JEPS127156  Mimulus evanescens Lowell Ahart, John Dittes 2016-7-16 21249 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  RSA185361C  Mimulus guttatus Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  UC711826  Mimulus guttatus Roxana S. Ferris and Laura Lorraine 1941-8-13 10539 Modoc Patterson Ranger Station, East Creek drainage Warner Mountains, Modoc National Forest 2164 Comment
  RSA550585  Mimulus layneae Bruce Bartholomew, B. Anderson 1988-6-23 4279 Modoc 4 km W of Day on County road 94. 1340 Comment
  UCSB6085  Mimulus lewisii Haller, John 1959-8-1 Modoc 0.2 miles west of Cave Lake junction; on road between New Pine Creek and Fort Bidwell; Warner Mtns 2133 Comment
  UC1063132  Mimulus microphyllus R. C. Wilson 1933-6-4 39 Modoc Rush Creek Modoc National Forest, Canby Quadrangle Comment
  UC445163  Mimulus nanus var. jepsonii Franklin P. Nutting 1893-6-8 Modoc near Egg Lake Comment
  RSA185359  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek. Warner Mountains. 1524 Comment
  UCSB23723  Mimulus nanus var. nanus Hardham, Clare 1961-6-19 Modoc Cogswell Creek; Warner Mountains 1524 Comment
  UC1736251  Mimulus pygmaeus Dean W. Taylor 1987-6-6 9016 Modoc southeast margin Egg Lake, along the outlet stream 1280 Comment
  CAS-BOT-BC10932  Mimulus suksdorfii E. K. Balls 1950-5-18 14754 Modoc North of Upper Rush Creek Public Camp, 2.5 miles east of Hwy 299. 1737 Comment
  JEPS127153  Mimulus suksdorfii Lowell Ahart, John Dittes 2016-7-16 21250 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  RSA535824  Mimulus tricolor David M. Thompson 1988-6-3 928 Modoc Egg Lake, S end. Between Kramer Reservoir and White Horse-Lookout road along intermittent stream; 2.3 rd mi W of railroad crossing. 1300 Comment
  UC1025084  Mimulus tricolor Leo Whitney 1935-6-2 3179 Modoc near White Horse; White Horse lake (flat) Comment
  UC445162  Mimulus tricolor M. S. Baker and Franklin P. Nutting 1894-6-7 Modoc near Egg Lake Comment
  CAS-BOT-BC95211  Minuartia douglasii Bruce Bartholomew 1995-6-1 6916 Modoc NW edge of Little Hot Spring Valley NW of Day. 1080 Comment
  CAS-BOT-BC95215  Minuartia nuttallii Elmer Ivan Applegate 1932-8-3 8126 Modoc Arid rocky summit of Eagle Peak, Warner Mts. Comment
  UC465880  Minuartia nuttallii subsp. fragilis M. F. Gilman 602 Modoc 1676 Comment
  HSC81096  Monardella glauca G. M. Riegel 1980-8-13 1049 Modoc South Warner Mtns. 1670 Comment
  SEINET3996771 Image available Monardella odoratissima Marion Ownbey, Fred G. Meyer 1940-7-1 2150 Modoc Warner Mts.; Cedar Peak Comment
  CAS-BOT-BC179365  Monardella odoratissima subsp. glauca Bruce Bartholomew; Barrett Anderson 1990-7-20 5471 Modoc 7.4 km N of Buck Creek Ranger Station, W W side of Warner Mts. 1940 Comment
  CAS-BOT-BC179373  Monardella odoratissima subsp. glauca Clare Butterworth Hardham 1974-8-6 20170 Modoc N slopes, N side Cedar Pass. Comment
  CAS-BOT-BC179857  Monardella odoratissima subsp. glauca Leland S. Smith 1918-8-18 1046 Modoc Ridge above Emerson. Eagle and Bear. 2438 Comment
  UC25490  Monardella odoratissima subsp. glauca Milo S. Baker 1893-7-8 Modoc Comment
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Oct 10 2006
  CDA33296  Monardella odoratissima subsp. odoratissima Jim Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument; summit and upper west-facing slope of Caldwell Minor near Eastern edge of monument boundary. Comment
  CDA33297  Monardella odoratissima subsp. odoratissima Jim Jokerst 1990-8-2 3208 Modoc Summit of East Sand Butte, just east of Lava Beds National Monument. Comment
  CAS-BOT-BC179359  Monardella odoratissima subsp. pallida Bruce Bartholomew 1990-8-5 5666 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  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-BC95548  Monolepis nuttalliana John Thomas Howell 1934-6-12 12035 Modoc Plum Valley, Warner Mts. Comment
  RSA520430  Monolepis pusilla Bruce Bartholomew, B. Anderson 1989-6-2 4813 Modoc SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC197481  Montia chamissoi Bruce Bartholomew 1991-7-4 5911 Modoc Roney Flat. 1460 Comment
  UC71835  Montia chamissoi Mrs. M. H. Manning 1903-5-1 115 Modoc near Fort Bidwell (in north-eastern Modoc Count) Comment
  CAS-BOT-BC197541  Montia linearis E. S. Willits 1940-4-16 182 Modoc Sugar Hill. Comment
  CAS-BOT-BC197549  Montia linearis E. S. Willits 1940-5-17 266 Modoc Willow Ranch. Comment
  CAS-BOT-BC247567  Muhlenbergia filiformis Clare Butterworth Hardham 1974-8-6 20177 Modoc Cedar Pass. 1935 Comment
  JEPS69319  Muhlenbergia filiformis Leland S. Smith 1918-1 Modoc Comment
  JEPS121233  Muhlenbergia richardsonis Lowell Ahart, John Dittes 2013-7-24 18912 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  RSA757477  Muhlenbergia richardsonis Barbara Ertter 1988-6-18 7609 Modoc West side of Highway 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument. 1250 Comment
  CAS-BOT-BC392256  Myosurus apetalus E. K. Balls 1950-5-14 14693 Modoc 2.5 mi. n. of boundary Modoc Nat'l Forest, junction of roads to Emigrant Spring, Thomas Reservoir and Dead Horse Reservoir 1524 Comment
  CAS-BOT-BC217293  Myosurus minimus Alice Eastwood; John Thomas Howell 1940-6-15 8274 Modoc Near Perez. Comment
  CHSC85413  Myosurus minimus John Dittes 1991-6-1 375 A 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
  UC1536811  Myriophyllum sibiricum Gordon H. True Jr 1939-7-21 1021 Modoc Jack Swamp, N of Canby. Comment
  RSA0043153  Nama densa var. parviflora Mrs. R. M. Austin 1895-08 84 Modoc Alturas Comment
  CAS-BOT-BC198011  Navarretia breweri Alice Eastwood; John Thomas Howell 1940-6-13 8133 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC198024  Navarretia breweri Robert Patterson; Mona Bourell 1993-8-15 5243 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC80882  Navarretia breweri G. M. Riegel 1980-8-9 1018 Modoc S Warner Mtns. 2100 Comment
  SBBG30498  Navarretia breweri D. Myrick 1968-6-20 1978 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  SBBG6031  Navarretia breweri H. and M. Dearing 1939-6-7 3586 Modoc near Cedar Pass, E of Alturas 1676 Comment
  UC1025101  Navarretia divaricata Leo Whitney 1934-5-27 1846 Modoc near Hackamore; Modoc National Forest 1463 Comment
  CAS-BOT-BC198003  Navarretia divaricata subsp. vividior Alice Eastwood; John Thomas Howell 1940-6-15 8288 Modoc 9 mi. N of Lookout. Comment
  SEINET4673744  Navarretia divaricata subsp. vividior Leigh A. Johnson, Haley M. Smith 2011-6-25 11 -064 Modoc Vicinity of mile marker 9.37 off of Hwy 299, near Roney Flat and Johnson Creek roads. 1428 Comment
  RSA767681  Navarretia intertexta L. Ahart, John Dittes 2010-8-30 17056 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
  RSA601501  Navarretia intertexta L. C. Wheeler 1935-8-2 3746 Modoc Twelve Mile Creek. Warner Mountains. Mt. Diablo Mer. 2195 Comment
  CDA13460  Navarretia intertexta subsp. propinqua G. F. Hrusa, T. D. Wilfred 1996-7-21 13307 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC526146  Navarretia intertexta subsp. propinqua John Thomas Howell 1934-6-15 12199 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  SJSU9589  Navarretia leptalea subsp. leptalea W. Savage 1979-7-5 1353 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC197966  Navarretia leucocephala subsp. minima Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13328 Modoc About small lake at eastern outskirts of Lookout. Comment
  CHSC85181  Navarretia leucocephala subsp. minima John Dittes; Josephine Guardino 1991-6-1 357 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
  SJSU9533  Navarretia leucocephala subsp. minima W. Savage 1979-6-20 1270 Modoc S margin of Bottle Cr Reservoir, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET195707  Navarretia propinqua Annie M. Alexander, Louise Kellogg 1946-7-7 4932 Modoc Eight Mile Creek; NE corner of county. 1753 Comment
  POM260725  Navarretia sinistra Alice Eastwood, J. T. Howell 1940-6-14 8216 Modoc 8 miles NW of Canby Comment
  UC23423  Navarretia sinistra Milo S. Baker 1893-7-8 Modoc Comment
  RSA0049636  Nemacladus capillaris Dean Wm. Taylor 2012-6-19 21244 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest 1463 Comment
  CAS-BOT-BC179311  Nemophila breviflora Lincoln Constance 1938-12-12 2332 Modoc Edge of Thoms Creek at foot of Bonner Grade, Cedar Pass Rd., 13.4 mi. NE of Alturas. 1524 Comment
  CAS-BOT-BC179296  Nemophila parviflora var. austiniae John Thomas Howell 1934-6-12 12026 Modoc Plum Valley. Comment
  CAS-BOT-BC179303  Nemophila parviflora var. austiniae John Thomas Howell 1934-6-11 11969 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC179294  Nemophila pedunculata Edward Kent Balls 1950-5-18 14758 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1737 Comment
  JEPS4034  Nemophila pedunculata Frances D. Payne 1932-6-5 413 Modoc s and e Alturas (Warner Mountains, Parker Creek, Dry Creek, tributary of); Warner Mountains, Parker Creek, Dry Creek, tributary of 1676 Comment
  UC336782  Neoholmgrenia andina unknown Modoc Honey Lake Valley Comment
  UC726196  Neoholmgrenia andina A. A. Heller 1941-6-25 16198 Modoc on the Cedarville rd a short distance e junction with U.S. Highway 395 Comment
  UC25540  Nepeta cataria Milo S. Baker 1894-8-25 Modoc Forestdale 1371 Comment
  UC1234579  Nestotus stenophyllus Peter H. Raven 1962-5-29 17895 Modoc 14 miles northwest of Canby. Comment
  SEINET10756784  Nestotus stenophyllus LeRoy E. Detling 1948-5-24 Detling 6255 Modoc North Fork Pit River. 1463 Comment
  JEPS12231  Nicotiana attenuata F. H. Frost 1925-7-11 15 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon 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
  CAS-BOT-BC497315  Oenothera Fred P. Cronemiller, Jr. 1920-6-14 23 Modoc Bieber Range 1341 Comment
  CAS-BOT-BC190813  Oenothera deltoides subsp. piperi Bruce Bartholomew; Barrett Anderson 1989-6-2 4836 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CDA38149  Oenothera elata Briles 1936-7-2 s.n. Modoc [No further data] 0 Comment
  HSC65617  Oenothera elata subsp. hirsutissima Thomas Wood 1979-8-11 253 Modoc 4 mi. S of Fort Bidwell on Co. Hwy. 1 1396 Comment
  UC71870  Oenothera elata subsp. hirsutissima Mrs. M. H. Manning 1904-7 209 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  JEPS43964  Oenothera elata subsp. hirsutissima W. L. Jepson 1918-8-6 7846 Modoc fields and summit Surprise Valley 1447 Comment
  CAS-BOT-BC190801  Oenothera flava subsp. flava Milo Samuel Baker 1893-7-20 s.n. Modoc Lava Beds. Comment
  JEPS31479  Oenothera flava subsp. flava Frances D. Payne 1930-7-21 222 Modoc ridge w Dry Creek (northern tributary of Parker Creek) (s and e of Alturas, base of cliffs); Warner Mountains 1981 Comment
  CAS-BOT-BC245086  Olsynium douglasii var. douglasii L. A. M. Black 1894-4-1 105 Modoc Davis Creek. Comment
  JEPS64299  Olsynium douglasii var. douglasii B. M. Payne 1930-4-19 345 Modoc s and e Alturas; Warner Mountains, Parker Creek 1828 Comment
  CDA7562  Onopordum acanthium T. C. Fuller 1958-7-9 900 -58 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  CHSC114679  Onopordum acanthium D. B. Joley 1976-5-23 2 Modoc Adin. Comment
  OBI5241  Onopordum acanthium T. C. Fuller 1960-7-27 4992 Modoc SE of 4th & East Sts, Alturas Comment
  JEPS26036  Onopordum acanthium subsp. acanthium T. C. Fuller 1959-7-8 2795 Modoc Alturas; S/4th St., E/East St. Comment
  CAS-BOT-BC190795  Orobanche corymbosa Bruce Bartholomew 1993-6-13 6611 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  HSC16680  Orobanche corymbosa M. T. Milligan 1966-8-3 642 Modoc W slope of Eagle Peak 2134 Comment
  CAS-BOT-BC190790  Orobanche fasciculata Bruce Bartholomew 1994-5-15 6697 Modoc Poison Spring Canyon near junction with Schamp Creek. Ca. 8 km E of Fort Bidwell. 1480 Comment
  UC35315  Orobanche fasciculata Milo S. Baker 1893-7-2 Modoc Above flat mountains. Comment
  CAS-BOT-BC190783  Orobanche uniflora Edward Kent Balls 1950-5-18 14756 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1737 Comment
  HSC29981  Orobanche uniflora D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19462 Modoc On hillside above the Rush Creek Campground ca. 8 mi. N of Adin. Comment
  NY762091  Orthilia secunda B. M. Bartholomew 1988-7-23 4574 Modoc Dismal Swamp, Warner Mountains. Fort Bidwell 15' Quad. 2180 Comment
  CAS-BOT-BC232178  Orthocarpus cuspidatus subsp. copelandii Frank Warrington Peirson 1926-6-25 6871 Modoc Cedarville Pass. Comment
  CAS-BOT-BC232325  Orthocarpus cuspidatus subsp. copelandii Elmer Ivan Applegate 1932-7-31 7966 Modoc Mill Creek Meadows. Comment
  RSA210889  Orthocarpus hispidus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39068 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  RSA185398  Orthocarpus lithospermoides Clare B. Hardham 1961-6-18 7541 Modoc 3 miles SE of Cedar Pass. 1829 Comment
  UCSB22505  Orthocarpus luteus Hardham, Clare 1961-6-18 Modoc 3 miles southeast of Cedar Pass, Warner Mts. Comment
  UC735036  Osmorhiza berteroi Lincoln Constance 1946-7-4 3103 Modoc Deep Creek 3.4 mi below summit; Warner Mountains 1828 Comment
  NY1101852  Osmorhiza occidentalis K. Paulson 1988-6-19 49 Modoc Happy Camp Guard Station 1554 Comment
  JEPS5967  Osmorhiza occidentalis Frances D. Payne 1931-6-21 215 Modoc under cliffs on ridge sw Dry Creek (creek is a tributary of Parker Creek, s and e of Alturas); Warner Mountains Comment
  POM82804  Osmorhiza occidentalis Mrs. R. M. Austin 502 Modoc Davis Creek Comment
  UC748242  Osmorhiza occidentalis Annie M. Alexander and Louise Kellogg 1946-7-31 5101 Modoc Eagle Peak Warner Mountains (s slope) 2438 Comment
  CAS-BOT-BC211325  Oxyria digyna Elmer Ivan Applegate 1932-8-3 8137 Modoc W slope of Eagle Peak, Warner Mts. Comment
  CAS-BOT-BC218101  Oxyria digyna Bruce Bartholomew 1991-8-5 6039 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  RSA17706  Oxyria digyna Elmer I. Applegate 1932-8-5 8178 Modoc Craggy summit of Cedar Mountain, north of Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC50302  Packera cana Annie Montague Alexander; L. Kellogg 1946-6-17 4784 Modoc Cedar Pass road. 1767 Comment
  CAS-BOT-BC50303  Packera cana Annie Montague Alexander; L. Kellogg 1946-7-23 5044 Modoc Emerson Peak, near summit, Warner Mountains Comment
  UC748191  Packera cana Annie M. Alexander and Louise Kellogg 1946-7-23 5044 Modoc e slope Emerson Peak; Warner Mountains, e slope Emerson Peak Comment
  HSC28869  Packera eurycephala D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19392 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  HSC6111  Packera eurycephala M. T. Milligan 1965-6-27 375 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC50320  Packera eurycephala var. eurycephala Barrett Anderson 1986-7-9 3143 Modoc Bushy Flat Rd along Pit River, just E of Hwy 299. 1500 Comment
  HSC30080  Paeonia brownii D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19308 Modoc Soup Springs Campground Comment
  RSA520367  Paeonia brownii Bruce Bartholomew, B. Anderson 1989-4-29 4686 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  POM229219  Panicum capillare L. C. Wheeler 1935-9-13 3984 Modoc Devil's Garden; Fletcher Creek at Pease Place 1524 Comment
  CAS-BOT-BC95498  Paxistima myrsinites Bruce Bartholomew 1995-6-22 6976 Modoc Between Day and Lookout, 7.4 km W of Day on County Road 94 along Widdow Valley Creek. 1350 Comment
  CAS-BOT-BC245199  Pedicularis semibarbata Bruce Bartholomew 1990-8-4 5621 Modoc Trail from the roadhead to Pine Creek Basin, W side of Warner Mts. 2160 Comment
  CAS-BOT-BC248360  Pedicularis semibarbata B. Bartholomew; H. Sun 2002-6-24 8843 Modoc E of Bald Mt., on the E side of the Warner Mountains 2170 Comment
  UC27332  Pedicularis semibarbata Milo S. Baker 1893-6 Modoc Medicine Lake Comment
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Jun 3 2009
  CAS-BOT-BC30194  Pellaea breweri Bruce Bartholomew 1990-6-16 5269 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  RSA0026210  Penstemon John F. Emmel 1997-6-9 1498 Modoc Along County Road 6 (road from Ft. Bidwell to Fee Reservoir), 5.7 road miles east of junction County Road 1 at east edge of Ft. Bidwell. 1524 Comment
  CAS-BOT-BC232341  Penstemon davidsonii var. davidsonii Annie Montague Alexander; L. Kellogg 1946-7-23 5046 Modoc Emerson Peak, Warner Mountains 2749 Comment
  CAS-BOT-BC232330  Penstemon deustus var. pedicellatus Elmer Ivan Applegate 1932-8-6 8215 Modoc Rocky summit of Yellow Mountain, Bidwell Pass, Warner Mountains Comment
  JEPS11230  Penstemon deustus var. pedicellatus Mrs. M. H. Manning 1907-5-1 Modoc Twelve Mile Creek, ne Modoc County Twelve Mile Creek Comment
  HSC80748  Penstemon gracilentus G. M. Riegel 1980-8-12 1046 Modoc S Warner Mtns. 1829 Comment
  UC566680  Penstemon gracilentus F. H. Frost 1925-7-25 156 Modoc Eagle Peak Warner Mountains, Eagle Peak Comment
  JEPS27627  Penstemon gracilentus Frances D. Payne 1929-7-7 53 Modoc sw Warren Peak (Pine Creek Basin); Warner Range, Pine Creek Basin 2133 Comment
  NY604218  Penstemon janishiae K. Paulson 1988-6-1 21 Modoc Barnes Grade, Crowder Flat Road to Devil's Garden. 1432.6 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
  CAS-BOT-BC232512  Penstemon roezlii Francis Whittier Pennell 1940-6-7 25728 Modoc Route 299, 4 mi. NE of Adin. 1341 Comment
  CAS-BOT-BC245568  Penstemon roezlii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16369 Modoc Junction of Cedar Pass road with California State Highway 299, 5.5 mi. N of Alturas. Comment
  HSC21011  Penstemon roezlii M. T. Milligan 1964-6-6 14 Modoc N side of Dorris Reservoir along shore 1372 Comment
  NY650099  Penstemon roezlii J. L. Reveal 1971-6-22 2459 Modoc Along U.S. Highway 395 at Davis Creek 1453.9 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
  POM260364  Penstemon roezlii C. Leo Hitchcock 1940-5-28 6719 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  UC1012484  Penstemon roezlii Francis W. Pennell 1940-6-7 25728 Modoc Route 299, 4 mi ne Adin; ne of Adin 1341 Comment
  UC71744  Penstemon roezlii Mrs. M. H. Manning June 1903 176 Modoc Mt. Bidwell Mt. Bidwell (ne Modoc County) Comment
  NY650097  Penstemon roezlii M. J. Williams 1988-5-30 8826- 7 Modoc Jess Valley, east of Likely, south of southeast rest 1524.0 Comment
  NY650111  Penstemon roezlii B. M. Bartholomew 1988-6-25 4392 Modoc 5.6 km northwest of State Highway 299 on County Road 73. Big Sage Reservoir 15' Quad. 1500 Comment
  RSA504641  Penstemon roezlii Bruce Bartholomew, B. Anderson 1988-6-23 4246 Modoc 4.2 kim NW of Day. 1020 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
  POM44139  Penstemon rydbergii var. oreocharis R. M. Austin 1895-07 520 Modoc Goose Lake Valley. Comment
  RSA647533  Penstemon rydbergii var. oreocharis Marion P. Harthill 1971-6-23 372 Modoc Fort Bidwell. Comment
  UC565590  Penstemon rydbergii var. oreocharis F. H. Frost 1925-7-24 135 Modoc Jess Valley Warner Mountains, Jess Valley (s Modoc County) Comment
  CAS-BOT-BC245547  Penstemon speciosus Elmer Ivan Applegate 1939-7-9 7579 Modoc Bidwell Mountain. Comment
  CAS-BOT-BC245563  Penstemon speciosus Milo Samuel Baker 1893-7-8 s.n. Modoc Lava beds. Comment
  NY660808  Penstemon speciosus N. H. Holmgren 1978-6-8 8879 Modoc U.S. Highway 395, 9.5 km (5.9 miles) north of Davis Creek 1490 Comment
  UC27442  Penstemon speciosus Mrs. R. M. Austin and Bruce July 1898 2359 Modoc Lake shore Comment
  RSA31944  Peraphyllum ramosissimum A. A. Heller 1938-6-24 15228 Modoc elevated flat in clay soil about midway between Canby and Alturas. Comment
  UC1520564  Peraphyllum ramosissimum Dean W. Taylor 1983-6-23 8221 Modoc Highway 139 1310 Comment
  CAS-BOT-BC15708  Perideridia bolanderi subsp. bolanderi Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10581 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CAS-BOT-BC15713  Perideridia oregana R. M. Austin 1895-7-1 113 Modoc Goose Lake Valley. Comment
  CDA13452  Perideridia oregana G. F. Hrusa, T. D. Wilfred 1996-7-21 13299 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC20886  Perideridia oregana Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  JEPS5966  Perideridia oregana Frances D. Payne 1931-7-4 311 Modoc Parker Creek Warner Mountains 1584 Comment
  CAS-BOT-BC95157  Peritoma platycarpa C. C. (Mrs.) Bruce 1898-6-1 2180 Modoc Likely. Comment
  CHSC71883  Persicaria amphibia Vernon H. Oswald; Lowell Ahart 1998-9-8 9592 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. Growing in a marshy pool in the creek. 1280 Comment
  CHSC71886  Persicaria lapathifolia Vernon H. Oswald; Lowell Ahart 1998-9-8 9600 Modoc Mosquito Lake on the north side of Whitehorse Flat Reservoir ca. 20 air mi north of McArthur. Common in drying soil on the receding margin of the lake. 1341 Comment
  HSC65616  Persicaria maculosa Thomas Wood 1979-8-11 252 Modoc 4 mi. S of Fort Bidwell on Co. Hwy. 1 1396 Comment
  JEPS124358  Persicaria maculosa Lowell Ahart, John Dittes 2015-7-16 20375 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC748109  Phacelia Annie M. Alexander and Louise Kellogg 1946-6-12 4735 Modoc e side Fandango Pass rd 1676 Comment
  CAS-BOT-BC179277  Phacelia glandulifera Bruce Bartholomew 1993-6-13 6624 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  JEPS2029  Phacelia hastata subsp. compacta W. L. Jepson 1918-8-13 7980 Modoc Eagle Peak Warner Mts. 3017 Comment
  CAS-BOT-BC95632  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8119 Modoc Surprise Valley. Comment
  UC735105  Phacelia heterophylla subsp. virgata Lincoln Constance 1946-7-4 3101 Modoc above Thom's Creek (17 mi ne of Alturas); Warner Mountains 1676 Comment
  CDA40416  Phacelia heterophylla subsp. virgata Alice Eastwood & John Thomas Howell 1940-6-13 8119 Modoc Suprise. 0 Comment
  HSC13657  Phacelia heterophylla subsp. virgata M. T. Milligan 1964-7-1 100 Modoc 1/2 mi. E of Rattlesnake Butte Rd. on Modoc Co. Rd. 54 1372 Comment
  JEPS4036  Phacelia heterophylla subsp. virgata Frances D. Payne 1931-6-21 219 Modoc ridge sw Dry Creek (creek is tributary of Parker Creek, s and e of Alturas); Warner Mountains 1981 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
  UC726920  Phacelia heterophylla subsp. virgata A. A. Heller 1941-6-26 16223 Modoc along US Hwy 299 4 mi w Canby Comment
  UC735037  Phacelia humilis Lincoln Constance 1946-7-4 3102 Modoc above Thom's Creek (17 mi ne of Alturas); Warner Mountains 1676 Comment
  UC748441  Phacelia humilis Annie M. Alexander and Louise Kellogg 1946-7-18 5012 Modoc Benton Meadow Warner Mountains 2072 Comment
  JEPS13887  Phacelia humilis Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3748 Modoc about 200 ft above and s Cedar Pass; Warner Mountains 1981 Comment
  JEPS4039  Phacelia humilis Frances D. Payne 1931-6-21 229 Modoc ridge w Dry Creek (creek is tributary of Parker Creek, s and e of Alturas); Warner Mountains Comment
  RSA531349  Phacelia humilis K. Paulson 1989-6-14 128 Modoc 1.5 miles NE of Cedar Pass, Warner Mts. 1905 Comment
  CAS-BOT-BC179974  Phacelia humilis var. humilis Roxana Stinchfield Ferris; R. Duthie 1919-6-13 126 Modoc Parker Creek. 2133 Comment
  CAS-BOT-BC179976  Phacelia humilis var. humilis Elmer Ivan Applegate 1932-8-1 7963 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  CAS-BOT-BC179997  Phacelia humilis var. humilis Francis Dorris Payne 1931-6-25 264 Modoc Pine Creek Basin. 2316 Comment
  CAS-BOT-BC179957  Phacelia linearis Bruce Bartholomew; Barrett Anderson 1989-6-2 4779 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  POM127626  Phacelia linearis Milo S. Baker 1887-1 s.n. Modoc Forestdale Comment
  RSA531358  Phacelia linearis Bruce Bartholomew, B. Anderson 1989-6-1 4736 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  UCSB27389  Phacelia linearis Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls near Clear Lake, east of Likely Warner Mtns. Comment
  CAS-BOT-BC179942  Phacelia mutabilis Alice Eastwood; John Thomas Howell 1940-6-12 8042 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC179933  Phacelia ramosissima Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2156 Modoc Cedar Peak. Comment
  POM275214  Phacelia ramosissima var. ramosissima A. M. Alexander, Louise Kellogg 1946-7-7 4943 Modoc Eight Mile Creek. Northeast corner of county. 1753 Comment
  HSC81053  Phacelia sericea G. M. Riegel 1980-9-4 1150 Modoc South Warner Mtns. Comment
  CAS-BOT-BC179928  Phacelia sericea var. ciliosa Francis Dorris Payne 1932-7-21 721 Modoc Ridge N of Mt Warren. 2438 Comment
  JEPS4042  Phacelia sericea var. ciliosa Frances D. Payne 1932-7-21 721 Modoc ridge n Mt. Warren; Warner Mountains Comment
  CAS-BOT-BC179923  Phacelia tetramera Bruce Bartholomew 1991-5-24 5698 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  CAS-BOT-BC179917  Phacelia thermalis Alice Eastwood; John Thomas Howell 1940-6-15 8287 Modoc 9 mi. N of Lookout. Comment
  JEPS2794 Image available Phacelia thermalis M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley; ; Little Hot Spring Valley, Modoc Co. Comment
  SJSU9586  Phacelia thermalis W. Savage 1979-7-5 1350 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 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
  JEPS74043  Phleum alpinum Frances D. Payne 1932-7-21 726 Modoc edge Patterson Lake (e side Mt. Warren); Warner Mountains, , edge of Patterson Lake Comment
  UC1137083  Phleum alpinum August L. Hormay 1932-7-17 Modoc Lily Lake Comment
  JEPS74046  Phleum pratense Frances D. Payne 1932-7-18 704 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC1100412  Phleum pratense Herbert L. Mason 1947-8-13 13537 Modoc n Canby (ne side of F reservoir); ne side of F reservoir Comment
  CAS-BOT-BC197949  Phlox diffusa Alice Eastwood; John Thomas Howell 1940-6-13 8149 Modoc Fandango Pass. Comment
  UC194970  Phlox diffusa W. P. Taylor and H. C. Bryant 1910-7-1 Modoc Summit of Warren Peak Warner Mountains, Warren Peak Comment
  JEPS2796 Image available Phlox douglasii Mrs. C. C. Bruce 1898-7-1 2331 Modoc head Davis Creek; ; Head of Davis Creek, Modoc Co. Comment
  CAS-BOT-BC197941  Phlox douglasii subsp. rigida Leland S. Smith 1922-5-28 1240 Modoc Happy Camp Mt. 1889 Comment
  RSA468392  Phlox douglasii subsp. rigida Christopher Davidson 1973-5-26 2123 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC197920  Phlox douglasii subsp. rigida Gordon H. True 1964-6-3 1437 Modoc South Fork Pit River between Alturas and Goose Lake. 1432 Comment
  CAS-BOT-BC197935  Phlox douglasii subsp. rigida M. M. Hanna 1956-6-7 s.n. Modoc Highway 139, between Canby and Tienestra. Comment
  CAS-BOT-BC197887  Phlox hoodii subsp. canescens Leland S. Smith 1917-7-2 73 Modoc Warren Mt. 2133 Comment
  CHSC27613  Phlox hoodii subsp. canescens Robert Schlising 1978-7-29 3328 Modoc Warner Mountains, directly E of Western Peak, just off summit of trail. 2852 Comment
  UC23916  Phlox hoodii subsp. canescens Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  HSC17189  Phlox hoodii subsp. lanata M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir Comment
  CAS-BOT-BC197866  Phlox stansburyi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6487 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  UC449765  Phlox stansburyi Mrs. M. H. Manning 1907-4-23 713 Modoc e side Warner Range; , Warner Valley Mts. Comment
  CAS-BOT-BC58318  Phoenicaulis cheiranthoides Bruce Bartholomew; Barrett Anderson 1988-5-13 4159 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts.. 1760 Comment
  CAS-BOT-BC58578  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1937-5-13 11088 Modoc Lava Beds Nationa Monument, Gillam Bluff. Comment
  CAS-BOT-BC58581  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1932-7-9 7592 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CHSC31509  Phoenicaulis cheiranthoides N. E. H. Prouty 1980-6-19 188 Modoc Modoc Nat. Forest. 2133 Comment
  UC1036006  Phoenicaulis cheiranthoides Helen K. Sharsmith 1955-6-22 4487 Modoc just n of Cedar Pass (Warner Mountains, Modoc National Forest); Warner Mountains, Modoc National Forest 1889 Comment
  UC10759  Phoenicaulis cheiranthoides Mrs. R. M. Austin and Bruce June 1898 2153 Modoc Goose Lake Comment
  UC10761  Phoenicaulis cheiranthoides Mrs. R. M. Austin April, 1894 Modoc Goose Lake Valley Comment
  UC117652  Phoenicaulis cheiranthoides unknown Apr. 1890 465 Modoc Goose Lake Valley Comment
  UC117653  Phoenicaulis cheiranthoides Mrs. R. M. Austin May 1894 4 Modoc Goose Lake Valley Comment
  UCD116138  Phoenicaulis cheiranthoides Alan A. Beetle 1941-6-29 2831 Modoc Near summit of Cedarville Pass. 2118 Comment
  RSA639394  Pilularia americana L. C. Wheeler 1935-8-22 3911 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  CAS-BOT-BC478168  Pinus albicaulis John Thomas Howell 1934-6-14 12109 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  CAS-BOT-BC73414  Pinus albicaulis Elmer I. Applegate 1932-7-9 7587 Modoc North slope of Bidwell Mountain, Warner Mountains. 2286 Comment
  RSA6893  Pinus albicaulis Elmer I. Applegate 1932-7-9 7587 Modoc Near summit of Bidwell Mountain, Warner Range. Comment
  UC1096388  Pinus albicaulis Stanton A. Cook 1958-7-19 829 Modoc above Patterson public camp; Warner Mts. 2438 Comment
  UC496207  Pinus albicaulis Elmer I. Applegate 1932-7-31 7991 Modoc Mill Creek Meadow Warner Mts., Pit River (head of river) 2438 Comment
  UC71759  Pinus contorta subsp. murrayana Mrs. M. H. Manning 1902-10-26 31 Modoc Warner Mt. ne Modoc County, Warner Mt. 1828 Comment
  CAS-BOT-BC30154  Pinus monticola Belknap C. Goldsmith 1910-8-11 20 Modoc Summit, Warner Mts. 2316 Comment
  CAS-BOT-BC73019  Pinus monticola Elmer I. Applegate 1932-8-5 8168 Modoc Dry, rocky crest of Cedar Mountain, Warner Mountains, 3 miles north of Cedar Pass. 2438 Comment
  UC400277  Pinus ponderosa Mrs. M. H. Manning 1905-1-1 Modoc Comment
  NY63477  Pinus washoensis B. M. Bartholomew 1990-8-5 5664 Modoc Summit Trail, ca. 2 km. north of Patterson Ranger Station, west side of Warner Mountains 2400 Comment
  UCSC008466  Piperia unalascensis Randall Morgan 1990-7-30 1911 P Modoc Cave Lake (from Coleman) Comment
  CAS-BOT-BC58783  Plagiobothrys Clare Butterworth Hardham 1961-6-18 7815 B Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC228007  Plagiobothrys Roxana S. Ferris; Rena Duthie 1919-6-15 429 Modoc By railroad tracks, Davis Creek Comment
  JEPS90087  Plagiobothrys acanthocarpus Dean Wm. Taylor with Robert A. Price 1988-6-4 9759 Modoc ca. 2.6 mi. S 10 degrees E Casuse Mt. (Dobie Flat, Tule Lake Basin); Modoc Plateau, Tule Lake 15' Quad. 1280 Comment
  CHSC100232  Plagiobothrys cognatus John Dittes; Josephine Guardino 1991-6-1 361 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. 1271 Comment
  JEPS127304  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2016-7-14 21160 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
  UC78162  Plagiobothrys mollis Mrs. R. M. Austin July 1887 Modoc below Alturas; banks Pit River Comment
Read comments
Mar 11 2012
  RSA531369  Plagiobothrys mollis Bruce Bartholomew 1990-7-19 5401 Modoc Turner Creek at County Road 90, N end of Big Valley. 6.4 km N of Lassen County border 1230 Comment
  SD130521  Plagiobothrys mollis var. mollis B. Bartholomew, B. Anderson 1988-7-21 4421 Modoc South end of Whitehorse Flat Reservoir. 1340 Comment
  SD258371  Plagiobothrys salsus R. B. Kelley 2005-6-26 883 Modoc along SR 299; no specific locality data provided Comment
  CAS-BOT-BC58763  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-13 8132 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC497196  Plagiobothrys scouleri E. Joyal; D. Mehlman 1988-6-27 1287 Modoc Warner Mts., Jess Valley 1500 Comment
  CAS-BOT-BC58762  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13408 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  RSA495518  Plagiobothrys scouleri Elaine Joyal, D. Mehlman 1988-6-27 1287 Modoc Warner Mts., Jess Valley. 1500 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
  CHSC99955  Plantago major Lowell Ahart; John Dittes 2008-8-25 15315 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
  RSA504847  Platanthera leucostachys Bruce Bartholomew, B. Anderson 1988-7-21 4445 Modoc Above Upper Rush Creek Campground ca. 4 km. E of State Highway 299 between Adin and Canby. 1580 Comment
  JEPS64453  Platanthera stricta Leland S. Smith 1918-6-22 943 Modoc n-nw slope along creek Modoc Forest, High Grade District, Pine Creek 1828 Comment
  RSA433722  Plectritis californica Christopher Davidson 1973-5-24 2101 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  RSA14101  Poa Elmer I. Applegate 1927-4-24 5004 Modoc Modoc Battle Ground; Modoc Lava Beds Comment
  SEINET190958 Image available Poa annua A. A. Beetle 1941-6-29 2832 Modoc Near summit Cedarville Pass 2118 Comment
  CAS-BOT-BC247584  Poa bulbosa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16527 Modoc 4.6 mi. N of Adin. Comment
  CAS-BOT-BC247586  Poa bulbosa Bruce Bartholomew; Barrett Anderson 1988-5-12 4136 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  CHSC85107  Poa compressa John Dittes; Josephine Guardino 1991-7-21 440 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  JEPS120123  Poa cusickii subsp. cusickii Lowell Ahart, John Dittes 2012-7-10 18328 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC247622  Poa leptocoma Elmer Ivan Applegate 1932-8-2 8084 Modoc Mill Creek Meadows, Warner Mts. Comment
  JEPS101866  Poa leptocoma subsp. leptocoma Dean W. Taylor 1989-8-5 10471 Modoc Warner Mountains, North Emerson Lake margin Comment
  SACT001882  Poa nevadensis Herbert Mason, Malcolm Nobs 1949-5-29 Modoc 2 miles east of Adin. Comment
  HSC80839  Poa pratensis G. M. Riegel 1979-7-5 493 Modoc S Warner Mtns. 2100 Comment
  SEINET10966925  Poa pratensis Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2615 Modoc 4 mi S of Davis Creek on US Hwy 395; in very mesic grassland-sedge meadow; lupines very sparse and approximately a week or more behind the flowering of those near Alturas. 1402 Comment
  JEPS74050  Poa pratensis subsp. pratensis Frances D. Payne 1932-7-20 719 Modoc s and e Alturas (Parker Creek); Warner Mts 1584 Comment
  RSA273306  Poa secunda J. P. Smith, J. O. Sawyer 1972-5-6 5249 Modoc Road 86 just east of Adin 1098 Comment
  SD107345  Poa secunda Christopher Davidson 1975-6-4 2603 Modoc 0.4 mi E of Hwy 395 on Hwy 299 twd Cedarville, fenced pasture on S side of road 1378 Comment
  UCD90463  Poa secunda E. Wilson 1935-5-15 s.n. Modoc 20 miles W of Alturas. Comment
  UC820951  Poa secunda subsp. juncifolia C. L. Hitchcock 1940-5-28 6725 Modoc 15 mi n Alturas 1402 Comment
  UCD92434  Poa secunda subsp. juncifolia L. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  UCD92436  Poa secunda subsp. juncifolia L. Whitney 1935-6-29 s.n. Modoc Alturas. Comment
  UC1024915  Poa secunda subsp. juncifolia Leo Whitney 1935-6-28 3366 Modoc Redding-Alturas near Adin Comment
  CAS-BOT-BC247667  Poa secunda subsp. secunda Isabel T. Kelly 1930-1-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC252513  Poa wheeleri E. S. Willits 1940-5-16 252 Modoc Willow Ranch. Comment
  CAS-BOT-BC179351  Pogogyne floribunda James D. Jokerst 1986-8-11 2762 Modoc Ca. 1.2 mi. WNW of Rim Rock Lake, S of Doublehead Mountain. Comment
  NY22575  Pogogyne floribunda J. D. Jokerst 1990-7-31 3205 Modoc Dry lakebed with Artemisia cana. Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), about 1.5 miles SE of Doublehead Mountain, N and adjacent to dirt road and 0.25 mile W of a north to south-oriented fenceline through the center o Comment
  SD149137  Pogogyne floribunda B. Bartholomew 1991-8-4 6021 Modoc 3.2 km south of Drift Fence Tank on road to Mud Lake. 1580 Comment
  UC1191805  Pogogyne floribunda Herbert L. Mason 1947-8-9 13474 Modoc east side of Fairchild Swamp north of Alturas. Comment
  CAS-BOT-BC95167  Polanisia dodecandra subsp. trachysperma P. Monnet 1913-7-7 876 Modoc Warner's Range. 1524 Comment
  CAS-BOT-BC197849  Polemonium micranthum Bruce Bartholomew 1991-5-25 5748 Modoc Near Gas Drum Flat, between Blue Mountain and Howard Gulch. 1570 Comment
  CHSC117863  Polemonium micranthum L. P. Janeway 2016-5-16 11979 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  RSA0045632  Polemonium micranthum Lowell A. Ahart, John Dittes 2008-6-21 14981 Modoc North of the large culvert, west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1256 Comment
  UC907837  Polemonium micranthum John Chattin, Dan Tillotson 1947-5-7 40 Modoc Alturas Comment
  HSC6718  Polyctenium fremontii M. T. Milligan 1964-4-25 Modoc 7 mi. W on Centerville Rd. from Alturas Comment
  UC10287  Polyctenium fremontii Mrs. R. M. Austin May 1894 Modoc Ewing Creek Comment
  CAS-BOT-BC58320  Polyctenium fremontii var. fremontii Leland S. Smith 1924-5-26 1 A Modoc South side of Egg Lake. 1371 Comment
  CHSC112813  Polygonum Lowell Ahart; John Dittes 2013-7-24 18911 Modoc On the south side of a levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1262 Comment
  CAS-BOT-BC419701  Polygonum austiniae Mrs. R. M. Austin 1895-7-1 134 Modoc Goose Lake Valley Comment
  POM312903  Polygonum aviculare Verne Grant, Irving Schneider 1947-7-18 8043 Modoc E side Canal, 5 miles N of Bayley's bridge, S of Alturas. Comment
  RSA17707  Polygonum bistortoides Elmer I. Applegate 1932-8-3 8140 Modoc W slope of Eagle Peak, Warner Mtns. Comment
  UC748283  Polygonum bistortoides Annie M. Alexander and Louise Kellogg 1946-6-30 4881 Modoc Highgrade Warner Mountains (w side of ridge, n end of mts.) 2377 Comment
  CDA2802  Polygonum convolvulus T. C. Fuller 1958-7-8 2019 Modoc Davis Creek. 0 Comment
  CAS-BOT-BC218127  Polygonum douglasii Bruce Bartholomew 1989-8-12 5131 Modoc Deep Creek, E side of Warner Mountains. 1920 Comment
  CAS-BOT-BC218137  Polygonum douglasii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10536 Modoc Patterson Ranger Station (East Creek drainage). Modoc National Forest. Warner Mountains 2164 Comment
  RSA516810  Polygonum douglasii Bruce Bartholomew 1988-6-25 4398 Modoc Ryan Canyon, N of Adin, Juniper shrub savanna. 1390 Comment
  SJSU9579  Polygonum douglasii W. Savage 1979-7-4 1339 Modoc Triange, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS49634  Polygonum douglasii subsp. douglasii Louis C. Wheeler 1935-8-6 3801 Modoc 1/2 mi s Pine Creek (town) 1493 Comment
  RSA125291  Polygonum kelloggii Peter H. Raven, Otto T. Solbrig 1958-6-18 13318 Modoc Meadow in forest of Pinus Jeffreyi, along dirt road 8.8 mi. south of Happy Camp Guard Station, Modoc National Forest. Comment
  RSA323752  Polygonum kelloggii A. Tiehm 1984-7-30 8829 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 Comment
  RSA293419  Polygonum kelloggii Reino Alava 1957-7-5 1165 Modoc Cedar Pass, Modoc National Forest, just east of the camp ground Comment
  NY412663  Polygonum kelloggii var. kelloggii A. Tiehm 1984-7-30 8829 Modoc 8.9 road miles northeast of Fort Bidwell on the main road to Adel, just past the road summit 1615.4 Comment
  RSA518916  Polygonum lapathifolium George K. Helmkamp 1990-9-23 j 18 Modoc Drying mud flats beside Goose Lake, within 0.1 mile of the Oregon border 1372 Comment
  CAS-BOT-BC218158  Polygonum polygaloides Bruce Bartholomew 1994-5-29 6742 Modoc 7.4 km W of County Road 91 on road to Egg Lake, between Lookout and Lookout Jct. 1260 Comment
  RSA518941  Polygonum polygaloides Bruce Bartholomew, B. Anderson 1988-6-23 4244 Modoc 4.2 kim NW of Day. 1020 Comment
  CAS-BOT-BC218171  Polygonum polygaloides subsp. confertiflorum Alice Eastwood; John Thomas Howell 1940-6-14 8210 Modoc 8 mi. NW of Canby. Comment
  CHSC67588  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3214 Modoc S of Hwy. 139 NW of Canby, 4.7 mi W of junction with Loveness Rd. Comment
  RSA26457  Polygonum polygaloides subsp. confertiflorum Peter H. Raven, Otto T. Solbrig 1958-6-14 8223 Modoc About small lake, eastern outskirts of Lookout Comment
  SD215624  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1935-8-22 Modoc Devil's Garden; ca. 0.25 mile southwest of Big Sage Reservoir. Comment
  UC1060639  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-7-6 14724 Modoc vernal pool near Plum Creek Camp Ground Comment
  CAS-BOT-BC218179  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3919 Modoc Rim Rock Valley Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC218180  Polygonum polygaloides subsp. esotericum Alice Eastwood; John Thomas Howell 1940-6-14 8223 Modoc 8 mi. NW of Canby. Comment
  SJSU9598  Polygonum polygaloides subsp. esotericum W. Savage 1979-7-5 1366 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SJSU9618  Polygonum polygaloides subsp. esotericum W. Savage 1979-7-6 1423 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC218185  Polygonum polygaloides subsp. kelloggii Alice Eastwood; John Thomas Howell 1940-6-14 8228 A Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC218193  Polygonum polygaloides subsp. kelloggii Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devil's Garden. 1524 Comment
  JEPS49472  Polygonum polygaloides subsp. kelloggii Louis C. Wheeler 1935-8-16 3867 Modoc Warner Mts., Dismal Swamp, Twenty-Mile Creek 2225 Comment
  OBI48886  Polygonum polygaloides subsp. kelloggii Lewis S. Rose 1940-6-14 40494 Modoc 8 mi NW of Canby 1524 Comment
  CDA22858  Polygonum ramosissimum T. C. Fuller 1958-7-8 1971 Modoc Corporation Ranch, Likely. 0 Comment
  UC526133  Polygonum sawatchense subsp. sawatchense John Thomas Howell 1934-7-1 12317 Modoc Duncan Horse Camp Comment
  RSA520360  Polygonum spergulariiforme Bruce Bartholomew 1989-7-14 4923 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  CAS-BOT-BC225106  Populus trichocarpa Elmer Ivan Applegate 1929-5-25 5903 Modoc Cottonwood Creek, east side of Goose Lake. Comment
  CAS-BOT-BC95150  Porterella carnosula Bruce Bartholomew 1995-6-23 7001 Modoc 3.4 km from Goose Lake on road to Meteorite Tank. 1600 Comment
  JEPS6727  Porterella carnosula Annie M. Alexander and Louise Kellogg 1946-7-11 4975 Modoc mesa w Eight Mile Creek (ne corner of county); mesa w <of> Eight Mile Creek Comment
  RSA603999  Porterella carnosula L. C. Wheeler 1935-8-3 3756 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 Comment
  SEINET11664775  Potamogeton amplifolius A. Seneres, Harold, N. 1983-1 113 Modoc in Warner Mountains Comment
  CAS-BOT-BC242248  Potamogeton epihydrus Louis Cutter Wheeler 1935-9-12 3976 Modoc Fletcher Creek, Devil's Garden. 1524 Comment
  POM313001  Potamogeton epihydrus var. epihydrus Verne Grant, Irving Schneider 1947-7-21 8127 Modoc N Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  CAS-BOT-BC242243  Potamogeton foliosus Louis Cutter Wheeler 1935-9-1 3933 Modoc Pine Spring, Devil's Garden. 1524 Comment
  UC441324  Potamogeton foliosus Milo S. Baker 1899-8-24 Modoc Carmichaels Mill Big Valley Comment
  POM118939  Potamogeton foliosus Mrs. R. M. Austin 1895-07 482 Modoc Davis Creek Comment
  CAS-BOT-BC242232  Potamogeton natans Milo Samuel Baker 1899-8-12 s.n. Modoc Egg Lake. Comment
  JEPS42969  Potamogeton natans W. L. Jepson 1918-8-10 7926 Modoc near Alturas 1371 Comment
  RSA210789  Potamogeton nodosus Robert F. Thorne, C. W. Tilforth 1969-9-4 39046 Modoc Parker Creek at bridge near junction with north fork of Pit River, 5 miles north of Alturas. 1341 Comment
  UC1100082  Potamogeton pectinatus Verne Grant, Irving Schneider 1947-7-19 8085 Modoc n of Likely (s of Williams ranch house) Comment
  UCR20439  Potamogeton pusillus Milo S. Baker 1899-8-24 s.n. Modoc Carmichaels Mill, Big Valley 1264 Comment
  RSA210803  Potamogeton richardsonii Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39128 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC1100097  Potamogeton richardsonii Herbert L. Mason, Verne Grant 1947-7-11 13380 Modoc 1 mi e of Likely (on road from Likely to Jess Valley) Comment
  CAS-BOT-BC242267  Potamogeton zosteriformis Verne Grant; I. Schneider 1947-7-18 8054 Modoc 1.4 mi. N of Bayley's bridge, S of Alturas. Comment
  UC1746076  Potamogeton zosteriformis Annetta M. Carter 1946-8-18 1774 Modoc Canby Creek W of Canby. Comment
  CAS-BOT-BC214746  Potentilla breweri Elmer Ivan Applegate 1932-8-1 8025 Modoc High summit of Warner Mountains just S of Warren Peak. Comment
  UC748060  Potentilla drummondii subsp. bruceae Annie M. Alexander and Louise Kellogg 1946-6-30 4872 Modoc Highgrade, w side of ridge n end of Warner Mountains 2377 Comment
  UCR270416  Potentilla glandulosa John F. Emmel 2000-8-3 1683 Modoc Modoc Plateau, north end of the Warner Mountains, slope and meadow 0.6 air mile ESE of Moonlight Mines, on NW flank of Mt. Bidwell 2470 Comment
  CAS-BOT-BC214783  Potentilla gracilis Bruce Bartholomew 1991-7-4 5914 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC214790  Potentilla gracilis Milo Samuel Baker; Franklin P. Nutting 1894-1-1 s.n. Modoc Near Egg Lake. Comment
  CAS-BOT-BC214795  Potentilla gracilis Verne Grant; I. Schneider 1947-7-19 8073 Modoc Williams ranch, along Southern Pacific right-of-way near East Canal, in Pit Valley S of Alturas. Comment
  NY832911  Potentilla gracilis var. fastigiata B. M. Bartholomew 1988-7-21 4473 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. Sierran montane forest 2190 Comment
  UC903241  Potentilla gracilis var. fastigiata Frances Payne 1931-6-17 181 Modoc Parker Creek, Warner Mountains south and east of Alturas. 1584 Comment
  JEPS47216  Potentilla gracilis var. fastigiata Frances D. Payne 1931-7-4 319 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC545841  Potentilla newberryi Leo Whitney 1934-5-20 3031 Modoc near Clear Lake (bank of Lost River, Northern Modoc County); near Clear Lake, Bank of Lost River 1463 Comment
  CAS-BOT-BC143312  Potentilla newberryi Verne Grant; Irving Schneider 1947-8-27 8313 Modoc Southwest end of Clear Lake Comment
  POM229189  Prunus andersonii Louis C. Wheeler 1935-8-6 3797 Modoc Pine Creek (town). 1494 Comment
  RSA648505  Prunus emarginata Marion P. Harthill 1972-6-17 843 Modoc Cedar Pass 1921 Comment
  CAS-BOT-BC214813  Prunus subcordata Elmer Ivan Applegate 1897-6-2 861 Modoc Near Likely, upper Pit River Watershed. Comment
  CAS-BOT-BC225002  Prunus subcordata Alice Eastwood; John Thomas Howell 1940-6-13 8128 Modoc Near Davis Creek. Comment
  RSA210821  Prunus subcordata Robert F. Thorne, C. W. Tilforth 1969-9-4 39053 Modoc N Fork of Pit River. 6.8 miles N of parker Creek on Hwy 395. Comment
  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-BC225010  Prunus virginiana var. demissa A. D. Borden 1911-6-15 s.n. Modoc S slope of Shields Creek. Comment
  CAS-BOT-BC225015  Prunus virginiana var. demissa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 129 Modoc Parker Creek below Modoc Nat. Forest Boundary. Comment
  CHSC100391  Prunus virginiana var. demissa Lowell Ahart; John Dittes 2008-8-26 15338 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS44920  Prunus virginiana var. demissa L. S. Smith 1919-6-2 1113 Modoc Deep Creek Railroad Station; Warner Mountains, Deep Creek Railroad Station 1524 Comment
  JEPS46229  Prunus virginiana var. demissa F. H. Frost 1925-7-11 29 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon campsite Comment
  CAS-BOT-BC498764  Pseudognaphalium L. S. Smith 1924-7-1 1502 Modoc Modoc Forest, Round Mt. 1676 Comment
  UCD91519  Pseudoroegneria spicata L. Whitney; E. Wilson 1934-6-6 s.n. Modoc Modoc National Forest. 1219 Comment
  CAS-BOT-BC252501  Pseudoroegneria spicata subsp. spicata Leland S. Smith 1924-6-15 1403 Modoc Lavas W of Mud Lake. 1371 Comment
  JEPS68372  Pseudoroegneria spicata subsp. spicata L. S. Smith 1917-7-10 106 Modoc Warner Mountains, Granger Mill Camp Granger Mill Camp; Warner Mountains, Granger Mill Camp 2194 Comment
  UC1024990  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-7 3398 Modoc 4 mi nw of Canby (Howard Gulch); Howard Gulch Comment
  UC1137086  Pseudoroegneria spicata subsp. spicata August L. Hormay 1932-7-15 Modoc Modoc National Forest, Crowder Ranger Station Crowder Ranger Station; Modoc National Forest, Crowder Ranger Station Comment
  CAS-BOT-BC95219  Pseudostellaria jamesiana Bruce Bartholomew 1992-5-14 6278 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  CAS-BOT-BC95226  Pseudostellaria jamesiana John Thomas Howell 1934-6-11 11959 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC95234  Pseudostellaria jamesiana Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2142 Modoc Cedar Peak, Warner Mts. Comment
  SD149209  Pseudotsuga menziesii B. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1399 Comment
Read comments
Dec 3 2007
  CAS-BOT-BC50381  Psilocarphus brevissimus var. brevissimus Louis Cutter Wheeler 1935-8-25 3920 Modoc Rim Rock Valley, Devil's Garden. 1524 Comment
  CAS-BOT-BC50385  Psilocarphus brevissimus var. brevissimus John Thomas Howell 1934-7-2 12361 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  CAS-BOT-BC50389  Psilocarphus oregonus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16512 Modoc 13 mi. W of Canby along Hwy 139 Comment
  POM312513  Psilocarphus oregonus H. L. Mason, Verne Grant 1947-7-13 13450 Modoc West end of Fandango Pass, near Goose Lake on road to Fort Bidwell. Comment
  UC412725  Pterospora andromedea Franklin P. Nutting Modoc near Forestdale Comment
  SEINET3222704 Image available Puccinellia lemmonii Arnold Tiehm, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8799 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville. 1360 Comment
  UCD91875  Puccinellia lemmonii Beecher Crampton 1954-7-6 2083 -B Modoc Along U. S. Hwy. 395. 4 miles north of Likely. Comment
  UCD91885  Puccinellia lemmonii Beecher Crampton 1954-7-8 2189 Modoc Modoc County, 1.5 miles west of Altura, extension of 4th Street. Comment
  RSA534594  Puccinellia nuttalliana Bruce Bartholomew, B. Anderson 1990-7-20 5448 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  HSC80701  Purshia tridentata var. tridentata G. M. Riegel 1979-7-10 448 Modoc S Warner Mtns. 1670 Comment
  UC12420  Purshia tridentata var. tridentata Milo S. Baker 1893-6 Modoc hillsides and low land Comment
  JEPS58805  Pyrola dentata Leland S. Smith 1918-8-3 1011 Modoc Modoc National Forest, Warner Mountains, Bear Flat 2286 Comment
  JEPS58804  Pyrola dentata L. S. Smith 1917-9-18 161 a Modoc Lassen Creek, Warner Mts. 1981 Comment
  RSA0081566  Pyrola minor Bruce Bartholomew, B. Anderson, Bartholomew 1990-7-20 5511 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC95687  Pyrola picta Leland S. Smith 1917-9-17 160 Modoc Lassen Creek. 2133 Comment
  UCR29778  Pyrola picta J. A. Harpel 1981-8-7 V- 59 Modoc Warner Mountains, South Warner Wilderness Area, Pine Creek Basin, trail head along Pine Creek, 9 mi northwest of Eagleville 2744 Comment
  NY188341  Pyrola picta B. M. Bartholomew 1991-8-6 6078 Modoc Emerson Trail between Emerson Camp Ground and N Emerson Lake, E side of Warner Mts. 1920 Comment
  CAS-BOT-BC50395  Pyrrocoma carthamoides var. cusickii George Ledyard Stebbins; J. A. Jenkins 1937-7-15 2374 Modoc Round Valley along state Hwy. 1066 Comment
  CHSC97874  Pyrrocoma carthamoides var. cusickii G. D. Barbe 1991-8-27 4443 Modoc Warner Mts. 2316 Comment
  SEINET6033400 Image available Pyrrocoma carthamoides var. cusickii L. P. Janeway 2014-7-7 11441 Modoc Warner Mountains, east side of crest of Warner Mountains 2.3 air km east of Cedar Pass; along Road 43N07, 1.4 road km east of Stough Reservoir. Cedarville 7.5' quad 2000 Comment
  CAS-BOT-BC50399  Pyrrocoma hirta var. lanulosa Leland S. Smith 1920-8-30 3 A Modoc Windmill Flat. 1524 Comment
  CAS-BOT-BC50351  Pyrrocoma lanceolata var. lanceolata John Thomas Howell 1934-6-15 12185 Modoc Alturas. Comment
  CAS-BOT-BC50355  Pyrrocoma lanceolata var. lanceolata Alice Eastwood; John Thomas Howell 1940-6-12 8033 Modoc Likely. Comment
  POM229879  Pyrrocoma racemosa var. paniculata L. C. Wheeler 1935-9-27 4008 Modoc Pease Flat, Devil's Garden. 1524 Comment
  CAS-BOT-BC180127  Quercus garryana var. garryana Leland S. Smith 1922-8-1 1325 Modoc Below Thompson's ranch, Biber Allot. 1371 Comment
  CAS-BOT-BC50361  Raillardella argentea Bruce Bartholomew 1991-8-5 6066 Modoc Spring NE of Cottenwood Lake along Summit Trail from Squaw Peak to Patterson Lake, Warner Mts. 2580 Comment
  HSC67928  Raillardella argentea J. P. Smith, J. O. Sawyer 1973-8-8 7234 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC217258  Ranunculus andersonii Bruce Bartholomew; Barrett Anderson 1988-5-13 4163 Modoc Granger Summit, ca. 10 km NW of Pepperdine at the top of the Warner Mts.. 1770 Comment
  UC1101366  Ranunculus aquatilis var. capillaceus Verne Grant and Irving Schneider 1947-7-22 8135 Modoc by State Quarantine Station (Hwy 395, n of Alturas); North Fork of Pit River Comment
  RSA399370  Ranunculus aquatilis var. capillaceus George Willet 1935-6-12 s.n. Modoc [Unspecified] Comment
  CAS-BOT-BC217271  Ranunculus aquatilis var. diffusus Annie Montague Alexander; L. Kellogg 1946-7-7 4921 Modoc W of Lake Annie. Comment
  POM260011  Ranunculus aquatilis var. harrisii C. L. Hitchcock 1940-5-28 6721 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  RSA399404  Ranunculus californicus Christopher Davidson 1973-5-26 2131 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC217227  Ranunculus cymbalaria Bruce Bartholomew 1991-8-4 6012 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  POM269956  Ranunculus cymbalaria var. saximontanus Louis C. Wheeler 1935-8-3 3769 Modoc Pine Creek, Warner Mts 1555 Comment
  CAS-BOT-BC217237  Ranunculus eschscholtzii var. oxynotus Elmer Ivan Applegate 1932-8-1 8047 Modoc Arid, rocky E slope of Warren Peak, Warner Mts. Comment
  UC13929  Ranunculus glaberrimus Mrs. R. M. Austin April, 1894 Modoc Comment
  CAS-BOT-BC217201  Ranunculus glaberrimus var. glaberrimus Leland S. Smith 1918-3-21 915 Modoc Juniper Flats near Alturas. 1524 Comment
  CAS-BOT-BC217213  Ranunculus occidentalis Francis Dorris Payne 1929-7-1 34 Modoc Parker Creek, Warner Mts. 1584 Comment
  JEPS86347  Ranunculus occidentalis Jack and Betty Guggolz 963 Modoc w Jenkins Comment
  POM275138  Ranunculus occidentalis A. M. Alexander 1946-6-8 4697 Modoc Road from Eagleville to Patterson Mill. 2287 Comment
  UC615121  Ranunculus occidentalis Beryl O. Schreiber 1934-6-10 1160 Modoc Lost Lake Warner Mountains (marsh) Comment
  HSC18162  Ranunculus occidentalis var. dissectus M. T. Milligan 1965-7-10 430 Modoc W slope of Eagle Peak. 2439 Comment
  RSA324240  Ranunculus occidentalis var. eisenii A. Tiehm 1984-6-30 8832 Modoc N edge of Lake Annie on the W side of Bidwell Mt, NE of Ft. Bidwell. 1530 Comment
  CAS-BOT-BC217181  Ranunculus occidentalis var. occidentalis John Thomas Howell 1934-7-1 12305 Modoc Duncan Horse Camp. 1355 Comment
  RSA488028  Ranunculus occidentalis var. ultramontanus Bruce Bartholomew, B. Anderson 1988-5-12 4096 Modoc White Horse 1340 Comment
  UC748220  Ranunculus orthorhynchus var. orthorhynchus Annie M. Alexander and Louise Kellogg 1946-6-8 4697 Modoc road from Eagleville to Patterson Mill 2286 Comment
  UC9470  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker 1893-6-27 Modoc Comment
  RSA604937  Ranunculus sceleratus var. multifidus Louis C. Wheeler 1935-8-3 3762 Modoc Warner Mountains: Pine Creek. 1738 Comment
  CAS-BOT-BC217152  Ranunculus testiculatus James Vale 1978-5-1 s.n. Modoc At Pit River bridge on road from Adin to Canby. Comment
  CAS-BOT-BC217163  Ranunculus uncinatus Bruce Bartholomew 1991-8-6 6092 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  CAS-BOT-BC217168  Ranunculus uncinatus R. M. Austin 1898-6-1 2305 Modoc Ross Canon Comment
  NY495029  Ranunculus uncinatus M. J. Williams 1984-6-30 8479- 3 Modoc 5.7 miles west of Cedarville-Gerlach road on Granger Canyon road. Warner Mountains. 1859.3 Comment
  NY495030  Ranunculus uncinatus M. J. Williams 1984-6-30 8480- 3 Modoc Seepage area near a reservoir, 6.8 miles west of the Cedarville-Gerlach road, Granger Canyon Road, Warner Mountains 1981.2 Comment
  SEINET5338928  Ranunculus uncinatus var. uncinatus M. J. Williams 1984-6-30 84- 80 -8 Modoc Seepage area near a reservoir, 6.8 miles west of Cedarville-Gerlach road. 1981 Comment
  CAS-BOT-BC58407  Raphanus raphanistrum Bruce Bartholomew 1992-5-17 6351 Modoc Pasture ca. 2 km NW of Day. 1100 Comment
  POM180605  Rhamnus californica J. T. Howell 1930-10-25 5698 Modoc Deep shade on bank of Arroyo Seco river, Santa Lucia Mts Comment
  UC1191523  Ribes aureum Verne Grant, Irving Schneider 1947-7-22 8157 Modoc 1 mi nw Highway 395 (on road leading to s end of Goose Lake, meadow at headwaters of river); North Fork of Pit River Comment
  JEPS119655  Ribes aureum var. aureum Lowell Ahart, John Dittes 2012-7-10 18317 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
  CAS-BOT-BC225864  Ribes cereum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10538 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  HSC20285  Ribes cereum D. M. Thomson 1965-8-14 195 Modoc Lava Beds National Monument, Tichner Rd., 2 mi. from SE entrance Comment
  JEPS49423  Ribes cereum W. L. Jepson 1918-8-7 7860 Modoc Mt. Bidwell 1981 Comment
  NY454991  Ribes cereum K. Paulson 1989-6-14 135 Modoc Ca. 1.5 miles northeast of Cedar Pass, Warner Mountains 1905.0 Comment
  RSA488576  Ribes cereum Bruce Bartholomew, B. Anderson 1988-5-14 4199 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  UCSB11458  Ribes cereum var. cereum Dearing, Hugh; Dearing, Margaret 1939-6-8 Modoc Pine Canon 1524 Comment
  UC71793  Ribes inerme var. inerme Mrs. M. H. Manning 1903-1 96 Modoc Warner River Comment
  SEINET195470 Image available Ribes montigenum Annie M. Alexander, L Kellogg 1946-6-25 4822 Modoc North end of the Warner Mountains Dismal Swamp 2256 Comment
  UC748053  Ribes montigenum Annie M. Alexander and Louise Kellogg 1946-6-25 4822 Modoc Dismal Swamp Warner Mountains 2255 Comment
  CAS-BOT-BC225930  Ribes velutinum E. S. Willits 1940-4-16 174 Modoc Sugar Hall. Comment
  CAS-BOT-BC423  Ribes velutinum R. M. Austin 1884-6-1 27 Modoc unspecified Comment
  UC75448  Ribes velutinum Milo S. Baker 1893-1 Modoc Egg Lake Comment
  CAS-BOT-BC225941  Ribes viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-15 4772 Modoc Deep Creek. 1981 Comment
  HSC29862  Ribes viscosissimum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19439 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  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
  HSC28867  Rigiopappus leptocladus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19409 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  RSA584833  Rigiopappus leptocladus Bruce Bartholomew 1993-6-12 6575 Modoc Road to Day Rock from Little Hot Spring Valley 1200 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
  CHSC100463  Rorippa austriaca Lowell Ahart; John Dittes 2008-8-25 15274 Modoc On the banks of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UCR9592  Rorippa austriaca D. O. Clark 1970-6-24 s.n. Modoc 6 mi south of Alturus. SW corner of Jones Rd. with the Pitt River. Comment
  CDA25108  Rorippa columbiae T. C. Fuller 1979-6-5 20264 Modoc R. A. Byrne property, north side of Highway 108, 10 km northeast of Tulelake. 0 Comment
  CHSC67354  Rorippa columbiae James D. Jokerst 1986-8-10 2755 Modoc Radar Site Survey S of Doublehead Mtn., Rimrock Lake. 1341 Comment
  CAS-BOT-BC58378  Rorippa curvisiliqua Margaret J. Williams 1984-6-30 84- 80 -3 Modoc 6.8 mi. W of Cedarville-Gerlach road. 1981 Comment
  CAS-BOT-BC58381  Rorippa curvisiliqua Bruce Bartholomew 1991-6-21 5814 Modoc N side of Mud Lake, 5.8 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC58414  Rorippa curvisiliqua Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10561 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CHSC99116  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2008-6-21 15000 Modoc In the drying pond, north of the large culvert, east of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  UC71680  Rorippa nasturtium-aquaticum Mrs. M. H. Manning 1904-7-7 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  CAS-BOT-BC95039  Rorippa palustris var. hispida John Thomas Howell 1934-6-15 12187 Modoc Alturas. Comment
  CAS-BOT-BC95041  Rorippa sinuata Annie Montague Alexander; L. Kellogg 1946-6-20 4811 Modoc Eagleville. 1440 Comment
  UC1191430  Rorippa sinuata Calvin McMillan and Malcolm A. Nobs 1949-6-16 793 Modoc 33 mi nnw Alturas; Dry Valley Reservoir, nnw of Alturas Comment
  HSC19625  Rosa gymnocarpa M. G. Burgoyne 1962-4-17 1002 Modoc 12 mi. N of Cedarville on valley rd. 1372 Comment
  CAS-BOT-BC218247  Rosa woodsii var. ultramontana Philip Alexander Munz 1951-9-14 16977 Modoc Jess Valley, 13 mi. E of Likely. 1630 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-BC218263  Rosa woodsii var. ultramontana Annie Montague Alexander; L. Kellogg 1946-7-12 4989 Modoc Twelve Mile Creek. Comment
  RSA520486  Rosa woodsii var. ultramontana Bruce Bartholomew 1989-7-14 4930 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  CAS-BOT-BC211335  Rumex acetosella Bruce Bartholomew 1994-7-1 6753 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  CHSC85129  Rumex crispus John Dittes; Josephine Guardino 1991-6-1 355 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  UC452554  Rumex crispus W. P. Taylor and H. C. Bryant 1910-6-11 Modoc S. Fork Pitt River, Alturas Warner Mountains, Pitt River 1402 Comment
  CAS-BOT-BC211349  Rumex lacustris Herbert Louis Mason; Verne Grant 1947-8-27 8309 Modoc South end of Clear Lake. 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
  CDA23187  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  UC1101221  Rumex salicifolius var. lacustris Herbert L. Mason 1947-8-9 13482 Modoc n of Alturas (e side of Fairchild Swamp); Fairchild Swamp Comment
  UC748315  Rumex salicifolius var. salicifolius Annie M. Alexander and Louise Kellogg 1946-8-3 5113 Modoc Head of Eagle Creek Warner Mountains Comment
  CAS-BOT-BC211320  Rumex triangulivalvis Alice Eastwood; John Thomas Howell 1940-6-15 8280 Modoc Near Happy Camp Ranger Station. Comment
  CAS-BOT-BC95279  Sagina saginoides Bruce Bartholomew; Barrett Anderson 1990-7-21 5568 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  UC852703  Sagina saginoides C. L. Hitchcock 1940-5-27 6708 Modoc 15 mi. n.e. Alturas 1676 Comment
  CAS-BOT-BC245202  Sagittaria cuneata Elmer Ivan Applegate 1929-7-29 6094 Modoc Clear Lake Dam. Comment
  RSA210812  Sagittaria cuneata Robert F. Thorne, C. W. Tilforth 1969-9-4 39058 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1433 Comment
  UC935723  Sagittaria cuneata Herbert L. Mason and Verne Grant 1947-7-11 13381 Modoc irrigation ditch on road from Likely to Jess Valley ca 1 mi e Likely; Irrigation ditch on road from Likely to Jess Valley Comment
  RSA0108535  Sagittaria cuneata F. W. Peirson 1926-6-26 6900 Modoc Alturas to Canby Comment
  RSA577799  Sagittaria cuneata L. C. Wheeler 1935-8-5 3787 Modoc Warner Mountains: Mt. Diablo Mer.; Little Lily Lake, Pine Creek. 2287 Comment
  UCD138008  Sagittaria cuneata Herbert L. Mason 1947-8-12 13506 Modoc Junction of North and South forks of Pit River, Alturas. Comment
  JEPS119661  Sagittaria latifolia var. latifolia Lowell Ahart, John Dittes 2012-7-11 18336 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  RSA603489  Salix Louis C. Wheeler 1935-8-13 3832 Modoc Warner Mountains: Barnes Creek. Mt. Diablo Mer. 2287 Comment
  UCR34671  Salix J. A. Harpel 1981-8-6 V- 45 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  RSA5674  Salix boothii Frances D. Payne 1931-7-7 331 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  RSA612550  Salix boothii Louis C. Wheeler 1935-8-2 3748 Modoc Twelve Mile Creek. Warner Mtns. 2256 Comment
  UC492377  Salix boothii Frances D. Payne 1932-7-21 729 Modoc e of Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  CAS-BOT-BC225757  Salix eastwoodiae Francis Dorris Payne 1931-6-25 275 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  JEPS14855  Salix eastwoodiae Frances D. Payne 1931-7-8 277 Modoc Pine Creek Basin; Warner Mts. 2316 Comment
  UC433176  Salix eastwoodiae Belknap C. Goldsmith 1911-5-21 25 Modoc e shore Goose Lake; Modoc Forest 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
  UC481954  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 488 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch); Parker Creek 1560 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
  UC481959  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 495 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch) 1560 Comment
  UC481839  Salix lasiandra subsp. lasiandra Frances D. Payne 1931-6-10 135 Modoc Parker Creek Warner Mts., Parker Creek 1560 Comment
  UC481938  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 490 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  LA208822  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 498 Modoc Parker Creek, 20 km. E of Alturas; meadow S of Payne Ranch 1560.0 Comment
  UC481842  Salix lasiolepis Frances D. Payne 1931-6-10 137 Modoc Warner Mts., Parker Creek 1560 Comment
  CAS-BOT-BC229694  Salix lemmonii H. P. Bracelin; Francis Dorris Payne 1931-6-30 496 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC229696  Salix lemmonii Louis Cutter Wheeler 1935-9-11 3971 Modoc Fletcher Creek, Devil's Garden. 1524 Comment
  CAS-BOT-BC229677  Salix lutea F. Angwin 1946-5-3 s.n. Modoc Ash Creek, Adin. 1371 Comment
  SBBG29031  Salix lutea Mrs. H. P. Bracelin, F. D. Payne 1931-6-30 499 Modoc Parker Crk, 20 km E of Alturas S of Payne Ranch 1560 Comment
  UC481794  Salix lutea Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 499 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  UC481796  Salix lutea Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 499 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  UCD111717  Salix lutea Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 499 Modoc Parker Creek, 20 km. east of Alturas, south of Payne Ranch. 1560 Comment
  JEPS14854  Salix melanopsis Frances D. Payne 1931-6-10 140 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  UC481957  Salix melanopsis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 493 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch, Parker Creek); Parker Creek Comment
  CAS-BOT-BC229845  Salix prolixa Leland S. Smith 1917-6-21 54 Modoc Cantrall's Mill. 1828 Comment
  CAS-BOT-BC229829  Salix scouleriana Francis Dorris Payne 1931-6-10 138 Modoc Parker Creek, Warner Mts. 1560 Comment
  CAS-BOT-BC229831  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC229839  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC229840  Salix scouleriana Francis Dorris Payne 1931-6-22 283 Modoc Trail from summit of Granger Pass to Mt. Warren. 2100 Comment
  JEPS14859  Salix scouleriana Frances D. Payne 1931-6-10 138 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  RSA610750  Salix scouleriana Louis C. Wheeler 1935-8-3 3759 Modoc Warner Mountains: Pine Creek. 1738 Comment
  UC1280874  Salix scouleriana H. E. McMinn 1931-5-23 2468 Modoc Warner Mt. Comment
  UC481843  Salix scouleriana Frances D. Payne 1931-6-10 138 Modoc Parker Creek Warner Mts., Parker Creek 1560 Comment
  CHSC34511  Salsola tragus J. D. Prouty 1980-8-9 1150 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  JEPS59866  Salsola tragus W. L. Jepson 1918-8-10 7938 Modoc Alturas 1371 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
  SEINET8916634  Salvia aethiopis B. Ertter 1995-7-1 14459 Modoc Along Hwy 395 S of New Pine Creek on OR border, at junction with County Road 44. 1463 Comment
  SFV3216  Salvia dorrii I. L. Wiggins, D. B. Wiggins 1961-6-12 16436 Modoc Warner Mountains 4 miles east of summit of Cedar Pass on Cedar Pass Road. 1550 Comment
  HSC81094  Salvia dorrii var. incana G. M. Riegel 1980-7-23 927 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC95180  Sambucus racemosa var. melanocarpa K. Paulson; Robert Paulson 1991-8-28 254 Modoc Poison Lake, N end of Warner Mountains. 1828 Comment
  SEINET2149926  Sambucus racemosa var. melanocarpa K. T. Harper 1974-1 142 Modoc Pine Creek, west slope of Warner Mountains. 2226 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
  UC719796  Sanguisorba annua Rogers McVaugh 1941-8-5 6248 Modoc 8.5 mi w Cedarville (w slope of Warner Mts.); w slope of Warner Mts. Comment
  CAS-BOT-BC15724  Sanicula graveolens Clare Butterworth Hardham 1961-6-18 7590 B Modoc Cedar Pass. 1828 Comment
  RSA504661  Sanicula graveolens Bruce Bartholomew, B. Anderson 1988-7-23 4559 Modoc Road beyond Poison Lake 8km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2140 Comment
  RSA520501  Saponaria officinalis Bruce Bartholomew 1989-8-10 5050 Modoc N side of Widow Valley, 10.1 km E of Day on County Road 94. Comment
  RSA152456  Saxifraga nidifica I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16423 Modoc Near summit of Cedar Pass. Between Alturas and Cedarville. 1936 Comment
  UC1483867  Saxifraga nidifica var. nidifica G. Schoolcraft 1980-4-29 210 Modoc n of Adin (Harper Hill); Harper Hill 1402 Comment
  UC748343  Saxifraga nidifica var. nidifica Annie M. Alexander and Louise Kellogg 1946-8-3 5115 Modoc head of Eagle Creek; Warner Mountains, Eagle Creek Comment
  RSA504840  Schedonorus pratensis Bruce Bartholomew, B. Anderson 1988-7-22 4482 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mountains; Sierran Montane forest. 2210 Comment
  CAS-BOT-BC245111  Schoenoplectus pungens Robert Folger Thorne; et al 1969-9-4 39072 Modoc S end of Goose Lake. 1432 Comment
  CAS-BOT-BC245119  Scirpus microcarpus Roxana Stinchfield Ferris; R. Duthie 1919-6-17 175 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  JEPS63954  Scirpus microcarpus Frances D. Payne 1932-7-11 693 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  POM312849  Scirpus nevadensis H. L. Mason, Verne Grant 1947-7-12 13436 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  UC1100885  Scirpus nevadensis Herbert L. Mason 1947-8-15 13548 Modoc e side Goose Lake (mouth Crane Creek, Willow Ranch); mouth Crane Creek, e side Goose Lake, Willow Ranch Comment
  HSC21135  Scrophularia desertorum M. T. Milligan 1965-6-30 393 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  CAS-BOT-BC197841  Scrophularia lanceolata Alice Eastwood; John Thomas Howell 1940-6-12 8047 Modoc Between Likely and Jess Valley. Comment
  UC748465  Scrophularia lanceolata Annie M. Alexander and Louise Kellogg 1946-7-5 4806 Modoc lava cliff w Lower Lake Comment
  RSA534558  Scrophularia lanceolata Bruce Bartholomew 1991-6-22 5834 Modoc E slope of S end of Warner Mtns, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  RSA59522  Scrophularia lanceolata E. K. Balls 1950-5-21 14820 Modoc Opposite South Fork Public Camp, South Fork Pit River. 1479 Comment
  UC103822  Scrophularia lanceolata Mrs. R. M. Austin Aug 1894 299 Modoc Comment
  CAS-BOT-BC179231  Scutellaria galericulata B. Bartholomew 1991-7-5 5943 Modoc North Willow Creek, vicinity of the Oregon border. 1580 Comment
  CAS-BOT-BC179216  Scutellaria nana Lindsay Stuart Smith 1924-5-31 1358 Modoc Egg Lake Ranch and S. Comment
  CAS-BOT-BC179221  Scutellaria nana L. A. M. Black 1893-1-1 82 Modoc Joseph Creek. Comment
  CAS-BOT-BC179229  Scutellaria nana Elmer Ivan Applegate 1897-6-2 890 Modoc Near Alturas. Comment
  SJSU11409  Scutellaria nana H. L. Buckalew 1961-7-1 Modoc base of Cedar Mt c. 2 mi NW of Cedar Pass on Hwy 299, Warner Mts 2133 Comment
  UC205194  Sedum lanceolatum Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell (12 Mile Creek, ne of Modoc Co.); e side Mt. Bidwell, 12 Mile Creek Comment
  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
  UC205196  Sedum stenopetalum W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr Warner Mountains 1676 Comment
  CAS-BOT-BC95616  Sedum stenopetalum subsp. stenopetalum Bruce Bartholomew; Barrett Anderson 1990-7-20 5469 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  POM204156  Sedum stenopetalum subsp. stenopetalum J. T. Howell 1934-6-11 11980 Modoc Parker Creek, Warner Mts. 1585 Comment
  RSA164402  Sedum stenopetalum subsp. stenopetalum Clare B. Hardham 1961-6-18 7558 Modoc East of Cedar Pass. 1829 Comment
  HSC28825  Senecio aronicoides D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19337 Modoc Soup Springs Campground Comment
  CDA35637  Senecio aronicoides J. R. Keck Jr., Pfeiffer 1985-6-6 PDR# 237689 Modoc On USFS Road 56, west of Lookout-Hackamore Road. 0 Comment
  SEINET195471  Senecio canus Annie M. Alexander, Louise Kellog 4784 Modoc On north side of Cedar Pass road 1768 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
  UC36175  Senecio hydrophiloides Milo S. Baker 1893-6-25 Modoc Comment
  CHSC106185  Senecio hydrophilus Lowell Ahart; John Dittes 2010-8-31 17104 Modoc About 40 yards west of Elkins Lane, about 150 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. 1274 Comment
  JEPS117384  Senecio hydrophilus Lowell Ahart, John Dittes 2010-8-31 17104 Modoc About 40 yards west of Elkins Lane, about 150 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 1274 Comment
  SDSU490  Senecio hydrophilus D. F. Howe 1966-8-26 4307 Modoc 1.3 miles north of Lassen-Modoc Co. line. 1341 Comment
  RSA0124947  Senecio integerrimus var. exaltatus E. K. Balls 1950-5-12 14655 Modoc Hillsides north of Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1646 Comment
  UC748429  Senecio integerrimus var. exaltatus Annie M. Alexander and Louise Kellogg 1946-6-5 4663 Modoc s of Eagleville (along road); Warner Mountains, Emerson Creek 2133 Comment
  UCSB11864  Senecio serra Haller, John 1961-6-25 Modoc Eagleville-Likely road, 0.5 mi W of crest of Warner Mountains, about 3 mi E of Patterson Ranger Station 2286 Comment
  HSC81128  Senecio serra G. M. Riegel 1978-7-19 195 Modoc South Warner Mtns. 2100 Comment
  JEPS37280  Senecio serra var. serra F. H. Frost 1925-7-12 67 Modoc Stow's Meadow Warner Mountains, Cedar Canyon Comment
  CAS-BOT-BC54277  Senecio triangularis Bruce Bartholomew; Barrett Anderson 1988-7-21 4434 Modoc Vicinity of Lower Rush Creek Campground ca. 1 km E of State Highway 299 between Adin and Canby. 1430 Comment
  CDA35643  Senecio triangularis J. R. Keck Jr. 1985-7-11 PDR# 237699 Modoc Davis Creek, Modoc National Forest. Comment
  UCD116666  Sidalcea glaucescens Jack Major 1966-6-24 s.n. Modoc above Goose Lake, west side of Fandango Pass. 1645 Comment
  CAS-BOT-BC179062  Sidalcea oregana subsp. oregana Roxana Stinchfield Ferris; R. Duthie 1919-6-15 154 Modoc Parker Creek. Comment
  CAS-BOT-BC179071  Sidalcea oregana subsp. oregana Bruce Bartholomew; Barrett Anderson 1989-6-3 4886 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC179079  Sidalcea oregana subsp. oregana Belknap C. Goldsmith 1912-8-23 68 Modoc Near Alturas. 1341 Comment
  CAS-BOT-BC179080  Sidalcea oregana subsp. oregana Amos Arthur Heller 1938-6-24 15227 Modoc Between Alturas and Canby. 1219 Comment
  CAS-BOT-BC179093  Sidalcea oregana subsp. oregana Leland S. Smith 1922-7-13 1265 A Modoc Crowder Flat Ranger Station pasture. 1463 Comment
  CAS-BOT-BC248324  Sidalcea oregana subsp. oregana B. Bartholomew; H. Sun 2002-6-24 8823 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  RSA448576  Sidalcea oregana subsp. oregana George Willet, Bonnie C. Templeton 1935-6-14 s.n. Modoc 6 miles E. of Likely 1524 Comment
  RSA31656  Sidalcea oregana subsp. oregana A. A. Heller 1938-6-24 15227 Modoc Between Alturas and Canby. 1341 Comment
  RSA520356  Sidalcea oregana subsp. oregana Bruce Bartholomew, B. Anderson 1989-6-3 4903 Modoc 5 km NW of Egg Lake and ca. 0.8 km W. of Service Flat Gulch 1370 Comment
  SJSU8543  Sidalcea oregana subsp. oregana R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  CAS-BOT-BC179053  Sidalcea oregana subsp. spicata Leland S. Smith 1920-7-13 1188 Modoc Crowder Flat. 1371 Comment
  CAS-BOT-BC179058  Sidalcea oregana subsp. spicata Bruce Bartholomew 1989-7-15 4990 Modoc Sweagert Flat. 1860 Comment
  JEPS67274  Sidalcea oregana subsp. spicata Frances D. Payne 1931-6-20 205 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, s and e of Alturas, Parker Creek 1584 Comment
  UCR131814  Sidalcea oregana subsp. spicata George Willet 1935-6-26 s.n. Modoc Warner Mountains, Jess Valley 1829 Comment
  JEPS3938  Sidalcea oregana subsp. spicata N. T. Mirov 1929-6-28 Modoc Fandango Valley Warner Mountains, Fandango Valley 1584 Comment
  CAS-BOT-BC248373  Silene douglasii var. douglasii B. Bartholomew; H. Sun 2002-6-24 8864 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  CAS-BOT-BC95244  Silene douglasii var. douglasii Bruce Bartholomew; Barrett Anderson 1990-7-20 5489 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC95258  Silene douglasii var. douglasii John Thomas Howell 1934-6-11 11958 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC95271  Silene menziesii Bruce Bartholomew 1989-8-12 5124 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  CHSC113092  Silene nuda Lowell Ahart; John Dittes 2013-7-25 18954 Modoc On the north side of a deep drainage, dry meadow, 30 yards south 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
  RSA0118761  Silene nuda Lowell A. Ahart, John Dittes 2013-7-25 18954 Modoc On the north side of a deep drainage, 30 yards south 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. 1268 Comment
  CAS-BOT-BC95275  Silene oregana Bruce Bartholomew 1989-7-15 5022 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC95045  Sisymbrium altissimum Bruce Bartholomew 1993-6-14 6648 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  SEINET10735739  Sisymbrium altissimum Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 932 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195. T43N R15E S33. 1948 Comment
  CDA36795  Sisymbrium altissimum D. B. Joley 1976-6-23 1 Modoc Likely, near Alturas. 0 Comment
  CAS-BOT-BC245084  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1993-6-12 6602 Modoc Tom Large Flat, W of Egg Lake. 1260 Comment
  CDA34290  Solanum dulcamara L. Ahart, J. Dittes 2010-8-31 17095 Modoc On the south side of Ash Creek, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, and about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS12114  Solanum triflorum Frank W. Peirson 1926-6-25 6878 Modoc Warner Mountains, Cedarville Road, 1 mi e of summit Cedarville Road; Warner Mountains, Cedarville Road Comment
  JEPS12115  Solanum triflorum Frank W. Peirson 1926-6-25 6878 Modoc Warner Mountains, Cedarville Road, 1 1/2 mi e of summit Cedarville Road; Warner Mountains, Cedarville Road Comment
  CAS-BOT-BC245425  Solanum triflorum Carl Brandt Wolf 1931-9-5 2399 Modoc 2 mi. above the east base of the grade on the road from Lake City to Davis Creek, Warner Mts. 1676 Comment
  UC527397  Solanum triflorum C. B. Wolf 1931-9-5 2399 Modoc 3 mi above e base Warner Mountains (on the grade from Lake City-Fort Bidwell Road- to Davis Creek) 1676 Comment
  UC1999882  Solidago elongata J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-11 9296 Modoc NE of Alturas, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  UC36236  Solidago elongata Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC54286  Solidago spectabilis Herbert Louis Mason 1947-8-9 13459 Modoc Ingalls Swamp, N of Big Sage Reservoir. Comment
  SJSU9676  Solidago spectabilis Wayne Savage 1979-8-23 1587 Modoc junction of Fairchild Swamp Rd & County Rte 86; Triangle, Round Valley Unit, Devils Garden Ranger District, Modoc National Forest 1493 Comment
  UC88122  Solidago velutina subsp. californica Mrs. R. M. Austin 1894-8-1 92 Modoc Lassen Creek Comment
  CAS-BOT-BC242300  Sparganium emersum Louis Cutter Wheeler 1935-8-3 3761 Modoc Pine Creek, Warner Mts. 1737 Comment
  SEINET7944803 Image available Sparganium emersum V. Grant, I. Schneider 1947-7-18 8057 Modoc S loop of E-side road in Pit River Valley S of Alturas Comment
  CAS-BOT-BC15682  Sphenosciadium capitellatum Bruce Bartholomew 1989-8-12 5127 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  CAS-BOT-BC15683  Sphenosciadium capitellatum Bruce Bartholomew 1990-8-4 5652 Modoc Side tributary in upper reaches of Owl Creek drainage, E side of Warner Mts. 2500 Comment
  JEPS920  Sphenosciadium capitellatum L. S. Smith 1918-7-15 998 Modoc Mill Cr. Corral , Mill Cr. Corral (Modoc Forest) Comment
  UC748408  Sphenosciadium capitellatum Annie M. Alexander and Louise Kellogg 1946-7-12 4983 Modoc Twelve Mile Creek; ne corner of county Comment
  JEPS45016  Spiraea douglasii Milo S. Baker 1893-7-12 Modoc Forestdale Comment
  UC4844  Spiranthes porrifolia Milo S. Baker 1893-8-13 Modoc Comment
  RSA382215  Spiranthes romanzoffiana J. P. Smith, J. O. Sawyer 1973-8-9 7280 Modoc Blue Lake, Modoc National Forest 1829 Comment
  RSA577794  Spirodela polyrhiza L. C. Wheeler 1935-8-6 3791 Modoc Pine Creek, Warner Mountains 1555 Comment
  JEPS63093  Stachys ajugoides var. rigida Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  CAS-BOT-BC179207  Stachys pilosa Francis D. Payne 1931-6-17 183 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC179214  Stachys pilosa M. Vasey 1990-6-30 9032 Modoc Near Lava Camp (end of road), Egg Lake. 1300 Comment
  SD46731  Stellaria calycantha Robert J. Weatherby 1955-7-8 1618 Modoc Between rocks at edge of creek. 7 miles north of Fr. Bidwell, Warner Mts. 1874 Comment
  HSC4291  Stellaria longipes M. T. Milligan 1966-7-3 544 Modoc Slopes and ridges E of Jess Valley 2073 Comment
  CAS-BOT-BC95288  Stellaria longipes var. longipes Roxana Stinchfield Ferris; R. Duthie 1919-6-13 29 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC95298  Stellaria longipes var. longipes Bruce Bartholomew 1991-10-13 6118 Modoc Stream just above Cave Lake, W side of Warner Mts. 1990 Comment
  UC465529  Stellaria longipes var. longipes Milo S. Baker 1893-6-28 Modoc Comment
  CAS-BOT-BC54256  Stenotus acaulis Bruce Bartholomew 1994-7-2 6808 Modoc 7.2 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2190 Comment
  CAS-BOT-BC54296  Stenotus acaulis Leland S. Smith 1917-7-17 83 Modoc Head of Shield Creek. 2133 Comment
  UC830493  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles northeast of Alturas. 1615 Comment
  SEINET11262516  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 southern Warner Mountains.; 0 2097 Comment
  CAS-BOT-BC54270  Stephanomeria spinosa E. S. Willits 1939-10-10 168 Modoc Surprise Valley. 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
  JEPS6019  Stephanomeria tenuifolia Frances D. Payne 1932-7-25 749 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  HSC80834  Stipa nelsonii subsp. dorei G. M. Riegel 1980-8-28 1182 Modoc S Warner Mtns. 1670 Comment
  HSC13324  Stipa occidentalis var. californica M. T. Milligan 1965-6-30 384 Modoc E of Jess Valley. 1707 Comment
  HSC80836  Stipa occidentalis var. occidentalis G. M. Riegel 1980-7-15 884 Modoc South Warner Mtns. 1829 Comment
  CAS-BOT-BC95049  Streptanthella longirostris Bruce Bartholomew 1991-5-24 5702 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  NY188817  Streptanthella longirostris B. M. Bartholomew 1994-5-15 6691 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  POM95360  Streptanthus cordatus Mrs. R. M. Austin, C. C. Bruce 1898-06 2245 Modoc Hills near Davis Creek. Comment
  CHSC109214  Streptanthus cordatus var. cordatus L. P. Janeway; B. Castro 2012-7-24 10968 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
  UC1736576  Streptanthus cordatus var. cordatus Dean Wm. Taylor with Glenn Clifton 1987-6-27 9102 Modoc Highway 395 3.5 miles N of Northern junction with Highway 299 1371 Comment
  CAS-BOT-BC180101  Swertia albicaulis var. albicaulis John Thomas Howell 1934-6-30 12294 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC180109  Swertia albicaulis var. albicaulis John Thomas Howell 1934-6-12 11990 Modoc 9 mi. S of Davis Creek. Comment
  UC748426  Swertia albicaulis var. albicaulis Annie M. Alexander and Louise Kellogg 1946-7-7 4941 Modoc Eight Mile Creek, ne corner of Modoc County Eight Mile Creek 1752 Comment
  HSC8427  Swertia radiata M. T. Milligan Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC245868  Symphoricarpos rotundifolius Mrs. R. M. Austin No date on label. 50 Modoc Hills west of Goose Lake Comment
  CAS-BOT-BC95187  Symphoricarpos rotundifolius var. rotundifolius Elmer Ivan Applegate 1932-8-1 8066 Modoc Warner Mountains. Mill Creek Meadows, western slope of mountains. Comment
  CAS-BOT-BC95190  Symphoricarpos rotundifolius var. rotundifolius Roxana Stinchfield Ferris; R. Duthie 1919-6-15 90 Modoc Warner Mts., rocky hill above Parker Creek. 1828 Comment
  CAS-BOT-BC95197  Symphoricarpos rotundifolius var. rotundifolius Bruce Bartholomew; Barrett Anderson 1990-7-20 5510 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  UC102256  Symphoricarpos rotundifolius var. rotundifolius Mrs. R. M. Austin Aug 1894 230 Modoc Lassen Creek Comment
  UC1191852  Symphoricarpos rotundifolius var. rotundifolius Herbert L. Mason 1948-7-18 13619 Modoc Cedar Pass; Warner Mountains Comment
  CHSC99954  Symphyotrichum ascendens Lowell Ahart; John Dittes 2008-8-25 15293 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
  UC86736  Symphyotrichum ascendens Mrs. R. M. Austin Jun 1894 207 Modoc Goose Lake Valley Comment
  HSC1959  Symphyotrichum bracteolatum M. T. Milligan 1966-7-25 576 Modoc E of Jess Valley 1646 Comment
  JEPS89332  Symphyotrichum frondosum Dean W. Taylor 1987-8-25 9281 Modoc near the outlet dam Clear Lake Reservoir; Modoc Plateau, Clear Lake Reservoir Quad. 1371 Comment
  UCD136503  Symphyotrichum frondosum Herbert L. Mason 1947-8-11 13487 Modoc Kelley Hot Springs, on Alturas-Conby Highway. Comment
  CAS-BOT-BC232364  Synthyris missurica Elmer Ivan Applegate 1932-8-2 8089 Modoc Mill Creek Meadow. Comment
  JEPS120542  Synthyris missurica B. Castro and L. P. Janeway 2012-7-28 1980 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). Comment
  JEPS27951  Synthyris missurica Frances D. Payne 1929-7-26 129 Modoc Warner Mountains, Pine Creek Basin Pine Creek Basin; Warner Mountains, Pine Creek Basin 2133 Comment
  SBBG7212  Synthyris missurica H. and M. Dearing 1939-6-8 3607 Modoc Lily Lake, Warner Mtns 2133 Comment
  SEINET5344502  Taeniatherum caput-medusae M. J. Williams 1984-6-30 84- 75 -3 Modoc 27.4 mi N of Cedar Pass road on Hwy 395 1295 Comment
  UC1075746  Taraxacum officinale Robert J. Weatherby 1955-7-7 1599 Modoc Dismal Swamp, n Warner Mts. Warner Mts. 2240 Comment
  RSA185421  Taraxacum officinale Clare B. Hardham 1961-6-20 7883 Modoc Near Mt Bidwell. 2439 Comment
  UC1075757  Taraxia tanacetifolia Robert J. Weatherby 1955-7-8 1616 Modoc 7 mi n Ft. Bidwell 1874 Comment
  CAS-BOT-BC54228  Tetradymia canescens Annie Montague Alexander; L. Kellogg 1946-7-7 4940 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  JEPS5951  Tetradymia canescens Frances D. Payne 1932-8-1 756 Modoc s and e Alturas; Warner Mountains, Parker 1828 Comment
  UCR57492  Tetradymia canescens R. D. Goeden 1989-8-23 27 Modoc Modoc National Forest, Clear lake Road south of Crowder Flat Guard Station Comment
  RSA520340  Tetradymia glabrata Bruce Bartholomew, B. Anderson 1989-6-2 4827 Modoc 9.7 km E of Eagleville at the California state border. E side of Surprise Valley. 1550 Comment
  CDA8929  Tetradymia glabrata Loring White 1960-5-17 Modoc 12 miles southeast of Eagleville. 0 Comment
  CAS-BOT-BC217170  Thalictrum fendleri Annie Montague Alexander; L. Kellogg 1946-7-2 4895 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  CAS-BOT-BC217175  Thalictrum fendleri K. Paulson; Robert Paulson 1989-6-21 146 Modoc Pine Creek Basin, W side of the Warner Mts. 2109 Comment
  JEPS55210  Thalictrum fendleri Leland S. Smith 1918-8-11 1030 Modoc Camp One (T38 - 16) Modoc National Forest 2484 Comment
  JEPS60731  Thalictrum fendleri Leland S. Smith 1918-6-22 946 Modoc Lily Lake Modoc National Forest 2103 Comment
  POM270305  Thalictrum fendleri Louis C. Wheeler 1935-8-10 3823 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  CAS-BOT-BC95074  Thelypodium flexuosum Bruce Bartholomew 1991-5-24 5696 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  SEINET4853764  Thermopsis argentata Milo S. Baker 1894-8-14 s.n. Modoc Big Valley Mountains. Comment
  UC748104  Thlaspi montanum var. montanum Annie M. Alexander and Louise Kellogg 1946-8-9 5127 Modoc Patterson Lake Trail; Warner Mountains, Patterson Lake Trail Comment
  CAS-BOT-BC58701  Tiquilia nuttallii Bruce Bartholomew 1993-6-13 6629 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  SEINET201659 Image available Torreyochloa pallida var. pauciflora A. Cronquist, AH Holmgren 1959-6-19 8514 Modoc Clear Lake: along Mill Creek at head of Clear Lake Warner Mountains. 15 miles east of Likely 1829 Comment
  UCD32681  Torreyochloa pallida var. pauciflora Beecher Crampton 1954-7-6 2092 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  UCD93193  Torreyochloa pallida var. pauciflora August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  UCD93226  Torreyochloa pallida var. pauciflora L. S. Smith 1950-8-18 1040 Modoc Warner Mountains. 2682 Comment
  CDA7715  Tragopogon dubius T. C. Fuller 1960-7-8 4716 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  SJSU9574  Tragopogon dubius W. Savage 1979-7-3 1324 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 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
  SEINET7356249  Trichostema simulatum Margaret J. Williams 1985-8-13 85- 66 -4 Modoc Big Sage Reservoir. N.W. of Alturas.; 0 1524 Comment
  SEINET8263290  Trifolium cyathiferum Unknown 2006-8-4 1270 Modoc Warner Mts., Modoc National Forest, Patterson Station Campground. 2109 Comment
  CHSC100850  Trifolium kingii var. productum L. P. Janeway 2008-8-17 9563 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2409 Comment
  JEPS66044  Trifolium kingii var. productum Frances D. Payne 1931-6-29 301 Modoc e slope Mt. Warren; Warner Mtns 2286 Comment
  JEPS66051  Trifolium kingii var. productum Leland S. Smith 1917-7-18 841 Modoc w Cedarville (Soldier Creek); Warner Mtns Comment
  HSC81088  Trifolium longipes G. M. Riegel 1980-7-14 874 Modoc South Warner Mtn. 2100 Comment
  UC165532  Trifolium longipes var. hansenii Milo S. Baker 1893-1 Modoc Forestdale Comment
  JEPS33202  Trifolium longipes var. hansenii Frances D. Payne 1931-6-25 253 Modoc 2 mi sw Warren Mtns (Pine Creek Basin) 2316 Comment
  CAS-BOT-BC181728  Trifolium macrocephalum Bruce Bartholomew; Barrett Anderson 1988-5-13 4148 Modoc Along Parker Creek Road, at the border of Modoc National Forest and ca. 16 km WSW of Alturas, side of the Warn 1580 Comment
  CAS-BOT-BC181738  Trifolium macrocephalum Mrs. H. C. Cantelow 1941-5-23 Modoc 2 miles W of Adin Summit, east of Bieber, Hwy. 299 Comment
  JEPS65940  Trifolium macrocephalum Frances D. Payne 1929-6-23 26 Modoc S and E of Alturas (Parker Creek); Warner Mountains 1584 Comment
  CAS-BOT-BC180171  Trifolium microcephalum Bruce Bartholomew 1994-7-1 6754 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  SEINET7073580  Trifolium microcephalum A. G. Vestal 1955-5-18 s.n. Modoc About 3.2 miles east of Aden on Route 87. UTM Zone 10, 666674mE, 4563618mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC181757  Trifolium productum Bruce Bartholomew 1995-7-31 7105 Modoc Headwaters of the S fork of Davis Creek, E side of the Warner Mountains. 2210 Comment
  HSC15169  Trifolium repens M. T. Milligan 1966-8-12 652 Modoc North end of Jess Valley 1616 Comment
  CAS-BOT-BC180158  Trifolium wormskioldii Bruce Bartholomew 1989-8-11 5073 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CHSC112759  Trifolium wormskioldii Lowell Ahart; John Dittes 2013-7-24 18942 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  JEPS66094  Trifolium wormskioldii L. S. Smith 1920-7-13 1183 Modoc Crowder Flat Ranger Station Comment
  CDA28072  Trifolium wormskioldii T. C. Fuller 1958-7-8 2038 Modoc 4 miles south of Pine Creek. 0 Comment
  UCSC010690  Trifolium wormskioldii R. Morgan 2016-9-13 6850 Modoc Ash Creek Comment
  CAS-BOT-BC252537  Trisetum spicatum Bruce Bartholomew 1990-8-4 5642 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  UCR34681  Trisetum spicatum J. A. Harpel 1981-8-6 V 31 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  HSC3040  Triteleia hyacinthina M. T. Milligan 1964-7-1 116 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  UC1133919  Triteleia hyacinthina R. C. Wilson 1933-6-27 55 Modoc Tom's Creek Canby Quad., Tom's Creek Comment
  RSA0034621  Triteleia hyacinthina George Willet 1935-6-14 s.n. Modoc 4 miles E of Likely. 1524 Comment
  SEINET8502707  Triteleia hyacinthina M. J. Williams 1983-7-29 83- 116 -5 Modoc Warner Mountains, N of Cedar Pass, 1.1 mi N of Stowe Reservoir Campground. 2088 Comment
  CAS-BOT-BC242197  Triteleia ixioides subsp. anilina Bruce Bartholomew; Barrett Anderson 1988-6-23 4270 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC58559  Turritis glabra Bruce Bartholomew; Barrett Anderson 1988-7-22 4511 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  UC1182232  Typha latifolia F. H. Frost 1925-7-24 143 Modoc Jess Valley; Warner Mountains, Jess Valley Comment
  CAS-BOT-BC404164  Urtica dioica subsp. holosericea Alice Eastwood; John Thomas Howell 1940-6-12 8101 Modoc Shields Creek near Alturas Comment
  JEPS43428  Urtica dioica subsp. holosericea W. L. Jepson 1918-8-11 7940 Modoc South Fork Pass, Jess Valley Jess Valley; South Fork Pass, Jess Valley 1584 Comment
  POM106012  Urtica dioica subsp. holosericea R. M. Austin 1895-08 183 Modoc Goose Lake Comment
  POM106038  Urtica dioica subsp. holosericea R. M. Austin 1895-08 444 Modoc Goose Lake Comment
  UC1101480  Utricularia macrorhiza Calvin McMillan and Malcolm A. Nobs 1949-6-16 787 Modoc 33 mi. n.-n.w. Alturas (Dry Valley Reservoir); Dry Valley Reservoir Comment
  RSA611389  Vaccaria hispanica L. C. Wheeler 1935-8-6 3800 Modoc 1/2 mile S Pine Creek (town). 1494 Comment
  UCD169490  Vaccaria hispanica Louis C. Wheeler 1935-8-6 3800 Modoc 1/2 mile south of Pine Creek (town). 1493 Comment
  CAS-BOT-BC95704  Vaccinium cespitosum Elmer Ivan Applegate 1932-8-6 8209 Modoc About 1 mi. above Lily Lake. Comment
  CAS-BOT-BC248359  Valeriana californica B. Bartholomew; H. Sun 2002-6-24 8842 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CHSC109894  Valeriana californica B. Castro; L. P. Janeway 2012-7-26 1967 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.6 air mi SW of Little Lily Lake and 1air mi N of Mt. Vida. 2334 Comment
  JEPS120118  Ventenata dubia Lowell Ahart, John Dittes 2012-7-10 18311 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  UC447250  Veronica americana W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head of North Fork of Parker Creek; Warner Mountains, Parker Creek 2225 Comment
  JEPS17640  Veronica americana Rimo Bacigalupi with G. Thomas Robbins 1955-7-19 5381 Modoc no far from Soup Spring Meadow (southern Warner Mountains, Modoc National Forest); southern Warner Mountains, Modoc National Forest 2072 Comment
  UC1537631  Veronica americana Gordon H. True Jr. 1939-7-21 1029 Modoc n of Canby (Jack Swamp); Jack Swamp Comment
  CAS-BOT-BC245464  Veronica peregrina subsp. xalapensis Bruce Bartholomew 1991-6-21 5815 Modoc N side of Mud Lake, 5.8 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  SJSU9633  Veronica peregrina subsp. xalapensis W. Savage 1979-7-7 1452 Modoc Triangle, W side of Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC748150  Veronica peregrina subsp. xalapensis Annie M. Alexander and Louise Kellogg 1946-6-14 4757 Modoc Silver Creek branch of Patterson Mill Road Silver Creek 1828 Comment
  JEPS94074  Veronica scutellata Vernon H. Oswald and Lowell Ahart 1998-9-8 9595 Modoc ca. 0.5 air mi. n.e. Lookout Junction (County Rd. 95 at Taylor Creek n.w. of Lookout) 1280 Comment
  SEINET516149 Image available Veronica scutellata Vernon H. Oswald 1998-9-8 9595 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  UC138886  Veronica serpyllifolia subsp. humifusa Mrs. R. M. Austin 187 Modoc Lassen Creek Comment
  CAS-BOT-BC245441  Veronica wormskjoldii Dean William Taylor 1989-8-5 10455 Modoc Eagle Peak. 2880 Comment
  JEPS120545  Veronica wormskjoldii B. Castro and L. P. Janeway 2012-7-27 1973 Modoc Warner Mountains. North-sloping meadow opening just above Mineral Spring, -.3a ir mi east of Yellow Mountain. Comment
  CAS-BOT-BC180137  Vicia americana var. americana Leland S. Smith 1918-7-7 979 Modoc Jess Valley. Comment
  CAS-BOT-BC180153  Vicia americana var. americana Bruce Bartholomew; Barrett Anderson 1988-6-24 4352 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  HSC15246  Vicia americana var. americana M. T. Milligan 1964-6-4 27 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  HSC15249  Vicia americana var. americana M. T. Milligan 1965-6-26 326 Modoc N end Jess Valley. 1616 Comment
  UC748295  Vicia americana var. americana Annie M. Alexander and Louise Kellogg 1946-7-10 4955 Modoc Eight Mile Creek; ne corner of Modoc County 1752 Comment
  UC83934  Vicia cracca Mrs. R. M. Austin 1893-1 Modoc Davis Creek Comment
  UC1763483  Viola adunca Milo S. Baker Aug 1898 Modoc Forestdale Comment
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  UC748236  Viola adunca Annie M. Alexander and Louise Kellogg 1946-6-25 4820 Modoc Dismal Swamp, n end of Warner Mountains Dismal Swamp; Warner Mountains 2255 Comment
  CAS-BOT-BC245364  Viola beckwithii F. Angwin 1946-3-24 s.n. Modoc Adin. 1371 Comment
  UC1761403  Viola beckwithii E. K. Balls 1950-5-11 14626 Modoc 8.1 mi NE of Fort Bidwell (above Cowhead Lake, along 8-Mile Creek) 1463 Comment
  CAS-BOT-BC497310  Viola beckwithii B. Bartholomew 1991-5-24 5725 Modoc 1.3 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake 1580 Comment
  JEPS50277  Viola beckwithii Leland S. Smith 1918-4-27 916 Modoc near Canby (Road to Pitt River Ranger Station, w of Alturas); Modoc National Forest 1524 Comment
  UC1763501  Viola beckwithii Miss Tichnon 1905-4-1 5495 Modoc Yreka Comment
  UC748237  Viola glabella Annie M. Alexander and Louise Kellogg 1946-7-17 5001 Modoc South Fork Davis Creek; Warner Mountains, South Fork Davis Creek Comment
  UCD149822  Viola lobata subsp. integrifolia Harry George 1967-6-15 s.n. Modoc Egg Lake. Comment
  CAS-BOT-BC245341  Viola macloskeyi Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16484 Modoc 6.4 mi. S of Lassen Creek camp ground, road to Buck Mt., Warner Mountains Comment
  CAS-BOT-BC245325  Viola praemorsa Annie Montague Alexander; L. Kellogg 1946-6-5 4662 Modoc Emerson Creek, S of Eagleville, Warner Mts. 2133 Comment
  CHSC31505  Viola praemorsa subsp. linguifolia NEH Prouty 1980-6-2 172 Modoc Modoc Nat. Forest. North facing slope rising about Dry Creek and Upper Dry Creek Road. Comment
  UC1761507  Viola praemorsa subsp. linguifolia Milo S. Baker 1893-1 570 Modoc Forestdale Comment
  UC1749406  Viola praemorsa subsp. linguifolia Milo S. Baker 1936-6-13 8328 Modoc West entrance to Cedar Pass; Warner Mts, Alturas-Cederville Hwy Comment
  UC748239  Viola praemorsa subsp. linguifolia Annie M. Alexander and Louise Kellogg 1946-6-8 4700 Modoc road from Eagleville to Pattterson Mill (near 3 mi Ranger Station sign) 2225 Comment
  HSC21845  Viola purpurea subsp. purpurea M. T. Milligan 1965-6-27 356 Modoc E slope of eroded volcanic plateau. 1677 Comment
  UC19333  Viola purpurea subsp. quercetorum Milo S. Baker 1895-6-25 Modoc Big Valley Mountains Comment
  CAS-BOT-BC245288  Viola sheltonii Bruce Bartholomew 1995-6-1 6927 Modoc 3.0 km E of Day between Day and Lookout on County Road 94. 1370 Comment
  CAS-BOT-BC245290  Viola sheltonii Milo Samuel Baker 1936-6-14 8347 Modoc Near summit of Warner Mts., Cedar Pass. Comment
  CAS-BOT-BC245283  Viola sororia subsp. affinis J. F. Emmel 1968-7-15 83 Modoc 2 mi. E of Pine Creek. Comment
  CAS-BOT-BC54204  Wyethia mollis Isabelo T. Kelly 1930-1-1 32 Modoc Fort Bidwell. Comment
  CAS-BOT-BC54210  Wyethia mollis John Thomas Howell 1934-6-11 11946 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54217  Wyethia mollis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10545 Modoc Patterson Ranger Station (fEast Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  UCD62902  X Pseudelymus saxicola L. Whitney 1935-7-3 3373 Modoc Badger Wells, ca. 17 miles northwest of Canby. Comment
  CAS-BOT-BC242050  Zigadenus paniculatus Francis Dorris Payne 1929-6-12 1 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC242055  Zigadenus paniculatus Gordon H. True 1964-6-3 1464 Modoc N fork of Pit River between Alturas and Goose Lake. 1463 Comment
  RSA378449  Zigadenus paniculatus Christopher Davidson 1973-5-26 2111 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC242044  Zigadenus venenosus var. venenosus Roxana Stinchfield Ferris; R. Duthie 1919-7-15 144 Modoc Along Parker Creek, 14 mi from Alturas. Comment
  CAS-BOT-BC242046  Zigadenus venenosus var. venenosus Bruce Bartholomew; Barrett Anderson 1988-5-12 4118 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  POM110439A  Zigadenus venenosus var. venenosus Mrs. R. M. Austin 1895-08 478 Modoc Davis Creek Comment



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