Search Results — 2000 specimen records retrieved (1476 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73550  Abies concolor Francis D. Payne 1932-7-3 678 Modoc Parker Creek 1584 Comment
  UCR78712  Abies concolor var. lowiana David A. Charlet 1989-8-15 495 Modoc Warner Mtns., 1.7 km NW of Eagle Peak 2500 Comment
  CAS-BOT-BC15626  Achillea millefolium Bruce Bartholomew 1990-8-4 5632 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CAS-BOT-BC15634  Achillea millefolium John Thomas Howell 1934-6-11 11932 Modoc Parker Creek. 1584 Comment
  HSC4560  Achillea millefolium M. T. Milligan 1965-6-23 297 Modoc N end Jess Valley 1616 Comment
  UC469102  Achillea millefolium W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head, in meadow N. Fork Parker Cr.; Warner Mountains 2225 Comment
  SEINET191855 Image available Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi N of Alturas (near Surprise) 1402 Comment
  SEINET201566 Image available Achnatherum lemmonii A. Cronquist, AH Holmgren 1959-6-19 8495 Modoc Along Clear Lake Warner Mts. 15 mi E of Likely 1829 Comment
  UCD32689  Achnatherum lemmonii Beecher Crampton 1954-7-6 2101 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD32695  Achnatherum lemmonii Beecher Crampton 1954-7-6 2110 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  RSA27042  Achnatherum lemmonii var. lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc near Surprise, ca. 15 miles north of Alturas 1402 Comment
  CAS-BOT-BC242322  Achnatherum lettermanii Bruce Bartholomew 1989-7-15 4996 Modoc Sweagert Flat. 1860 Comment
  UCD50854  Achnatherum nevadense L. S. Smith 1918-7-14 993 Modoc Mill Creek, Eagle Pk. Etc. Comment
  CAS-BOT-BC242316  Achnatherum occidentale subsp. californicum Elmer Ivan Applegate 1932-7-31 7988 Modoc Mill Creek Meadow. 2438 Comment
  RSA0034404  Achnatherum occidentale subsp. californicum L. C. Wheeler 1935-8-3 3752 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  UCD51221  Achnatherum occidentale subsp. pubescens L. Whitney 1935-7-7 s.n. Modoc Howard Gulch. Comment
  CAS-BOT-BC242313  Achnatherum thurberianum James D. Jokerst 1983-7-27 1907 Modoc Near Signal Butte. 1340 Comment
  SEINET235271  Achnatherum thurberianum Mike Dolan 1980-10-19 Modoc unspecified 1341 Comment
  UC1024924  Achnatherum thurberianum Leo Whitney 1935-6-30 3354 Modoc open flat near Hackamore (ca. 15 mi nw of Canby); Modoc National Forest 1463 Comment
  UC1037189  Achnatherum thurberianum Leo Whitney 1935-7-28 3555 Modoc near Clear Lake Comment
  UCD51435  Achnatherum thurberianum E. Wilson 1934-5-14 s.n. Modoc Pass from Alturas to Cedarville. Comment
  CHSC111102  Acmispon americanus var. americanus Lowell Ahart; John Dittes 2010-7-12 18354 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  SJSU9550  Acmispon americanus var. americanus W. Savage 1979-7-3 1284 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC117501  Acmispon denticulatus Lowell Ahart; John Dittes 2016-7-14 21170 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  SBBG30557  Acmispon denticulatus D. Myrick 1968-6-20 1982 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  UC748227  Aconitum columbianum Annie M. Alexander and Louise Kellogg 1946-7-29 5082 Modoc s. slope Emerson Peak; Warner Mts., Emerson Peak 2438 Comment
  NY483099  Aconitum columbianum subsp. columbianum B. Anderson 1986-7-10 3198 Modoc Warner Mountains. West Warner Road at the north fork of Pine Creek. 1935 Comment
  CAS-BOT-BC218313  Actaea rubra Francis Dorris Payne 1932-7-22 743 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC218316  Actaea rubra K. Paulson; Robert Paulson 1990-7-2 208 Modoc Cave Lake, W side of Warner Mts. 1987 Comment
  CAS-BOT-BC218318  Actaea rubra Betty J. Hammerly 1941-6-20 29 Modoc Along stream entering Clear Lake. 1767 Comment
  CAS-BOT-BC218319  Actaea rubra Leland S. Smith 1920-9-15 1104 Modoc E side of Round Valley. 1432 Comment
  POM174164  Adenocaulon bicolor Milo S. Baker 1893-1 s.n. Modoc Modoc County Comment
  CAS-BOT-BC218321  Adonis aestivalis Leland S. Smith 1912-7-1 1513 Modoc Pit River near Ranger Station. Comment
  CAS-BOT-BC218322  Adonis aestivalis Leland S. Smith 1926-7-7 1514 Modoc Near Pit River Ranger Station. 1524 Comment
  UCD95445  Adonis aestivalis L. K. Mann; Patricia Mann 1963-6-19 s.n. Modoc 1-2 miles southwest of Canby, U.S. Highway 299. Comment
  SEINET9362678  Aegilops cylindrica Unknown 2002-6-24 1151611 Modoc Modoc Comment
  UC711880  Agastache parvifolia Roxana S. Ferris and Laura Lorraine 1941-8-13 10535 Modoc (East Creek drainage) Patterson Ranger Station (Warner Mountains); Modoc National Forest, Warner Mts, (East Creek drainage) 2164 Comment
  CHSC12955  Agastache urticifolia K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5836 Modoc At foot of small cliff above roadside bank on e side of Hwy. 395, ca. 4 mi n of Alturas. 1371 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
  CAS-BOT-BC179884  Agastache urticifolia Clare Butterworth Hardham 1961-6-18 7565 Modoc Dave Creek, Warner Mts. 2133 Comment
  HSC81120  Ageratina occidentalis G. M. Riegel 1979-7-30 620 Modoc S Warner Mtns. 640 Comment
  SFV10995  Ageratina occidentalis J. Turner, F. M. Ball 1962-7-12 1189 Modoc Shortly below summit of Fandango Pass on east side. 1829 Comment
  RSA95000  Agoseris glauca var. dasycephala F. W. Peirson 1926-6-25 6884 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  CAS-BOT-BC23036  Agoseris grandiflora John Thomas Howell 1934-6-11 11937 Modoc Parker Creek. Warner Mountains. 1584 Comment
  CAS-BOT-BC15276  Agoseris heterophylla John Thomas Howell 1934-6-12 12013 Modoc Between Davis Creek and Plum Valley Comment
  CAS-BOT-BC126783  Agoseris parviflora John Thomas Howell 1934-6-13 12079 Modoc Fandango Pass, Warner Mts. 1828 Comment
  CAS-BOT-BC126786  Agoseris parviflora Frances D. Payne 1932-6-26 612 Modoc N. of Parker Creek 1828 Comment
  CAS-BOT-BC242304  Agropyron cristatum Bruce Bartholomew 1990-6-18 5364 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  RSA183180  Agrostis Delzie Demaree 1959-8-15 41490 Modoc Davis Creek botoms. Common on creek banks. P.O. Alturas 1454 Comment
  UC1100112  Agrostis alba Herbert L. Mason and Verne Grant 1947-8-13 13533 Modoc meadow on ne side of reservoir n Canby; F Reservoir 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
  UCD52381  Agrostis exarata August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  CHSC115513  Agrostis gigantea Lowell Ahart; John Dittes 2015-7-16 20370 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
  HSC8798  Agrostis idahoensis M. T. Milligan 1966-7-5 561 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UC1024667  Agrostis pallens Leo Whitney 2182 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UCR34682  Agrostis scabra var. geminata J. A. Harpel 1981-8-6 V- 19 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  SJSU9634  Agrostis stolonifera W. Savage 1979-7-7 1453 Modoc Triangle, west side of Fairchild Swamp Unit, Modoc National Forest 1493 Comment
  CAS-BOT-BC190684  Aliciella micromeria Bruce Bartholomew; Barrett Anderson 1989-6-2 4820 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  RSA534554  Aliciella micromeria Bruce Bartholomew 1991-5-24 5695 Modoc Surprise Valley, 5.1 km E of Eagleville 1370 Comment
  CAS-BOT-BC238449  Alisma gramineum Herbert L. Mason 1955-8-13 14653 C Modoc South end of Goose Lake. Comment
  RSA210808  Alisma triviale Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39088 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  RSA0011494  Alisma triviale Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46969 Modoc North edge of Likely along south fork of Pit River 1357 Comment
  SEINET8466399 Image available Alisma triviale R. F. Thorne, J. Hendrickson, C. W. Tilforth 1969-9-4 39088 Modoc N fork of Pit River, 3.4 mi N of Alturas where crossed by Hwy 395 1341 Comment
  UCD137997  Alisma triviale Herbert L. Mason 1955-8-13 14653 C Modoc southwest side of Goose Lake. Comment
  JEPS47579  Allium acuminatum Frances D. Payne 1932-6-10 631 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1540229  Allium acuminatum Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9103 Modoc along Highway 395 about 3.5 mi n n junction with Highway 299 1371 Comment
  CAS-BOT-BC244994  Allium bisceptrum var. bisceptrum Bruce Bartholomew; Barrett Anderson 1988-6-24 4351 Modoc South Barber Creek, 6.3 km SW of County Road 1 on County Road 42, E side of the Warner Mts.. 1790 Comment
  SEINET12048096  Allium campanulatum Unknown 1947-1 s.n. Modoc grown at Pullman, WA, 2mi E of Cedar Pass, Warner Mts Comment
  CHSC85112  Allium lemmonii John Dittes; Josephine Guardino 1991-7-21 427 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
  RSA367065  Allium lemmonii George Willet 1935-6-21 s.n. Modoc Modoc County: Warner Mtns. 2287 Comment
  CAS-BOT-BC244963  Allium platycaule M. M. Hanna 1956-6-3 940 Modoc Cedar Pass. Comment
  CAS-BOT-BC244966  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC244968  Allium platycaule K. Paulson; Robert Paulson 1989-6-14 131 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC244969  Allium platycaule James Vale; et al 1981-5-23 4112 Modoc Between Canby and Adin near Pit River bridge. 1280 Comment
  CAS-BOT-BC244977  Allium platycaule John H. Hatton 1911-6-13 68 Modoc Rush Creek. 1371 Comment
  RSA27874  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA367110  Allium platycaule Christopher Davidson 1975-6-4 2590 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  UC635212  Allium platycaule R. C. Wilson 1933-5-30 93 Modoc Rush Creek 1432 Comment
  HSC67123  Allium platycaule Dale McNeal 1980-6-2 2341 Modoc Above Hwy. 395, 9.7 mi. S of Davis Creek Comment
  SEINET256832  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek road. 2073 Comment
  SEINET3878894  Allium platycaule D. W. McNeal 1980-6-2 2341 Modoc On a hillside above Hwy #395, 9.7 mi S of Davis Creek.; 0 Comment
  SEINET8191571  Allium platycaule M. J. Williams 1983-7-29 83- 116 -4 Modoc Warner Mountains, 1.1 mile N of Stowe Reservoir Campground, N of Cedar Pass. 2088 Comment
  RSA17427  Allium tolmiei Elmer I. Applegate 1932-7-9 7586 Modoc Open rocky north slope of Bidwell Mountain, Warner Mountains. Comment
  UC71673  Allium tolmiei var. tolmiei Mrs. M. H. Manning June, 1903 67 Modoc near Fort Bidwell (back of the Three trees) 1981 Comment
  UC1036048  Allium tolmiei var. tolmiei Annie M. Alexander and Louise Kellogg 1946-6-8 4702 Modoc near 3 mile Ranger Station sign (on road from Eagleville to Patterson Mill) 2225 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
  SJSU9664  Alopecurus aequalis W. Savage 1979-7-9 1509 Modoc pond near ranch house, Triangle, Devils Garden District, Modoc National Forest 1493 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
  CHSC109639  Alopecurus aequalis var. aequalis Lowell Ahart; John Dittes 2012-7-10 18308 Modoc Along a deep drainage, northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS119858  Alopecurus carolinianus Lowell Ahart, John Dittes 2012-7-12 18357 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC242340  Alopecurus geniculatus Bruce Bartholomew; Barrett Anderson 1990-7-19 5407 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  RSA739701  Alopecurus geniculatus John Dittes, Josephine Guardino 1991-7-21 430 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit;, Northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1259 Comment
  CHSC99777  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
  CAS-BOT-BC242332  Alopecurus saccatus John H. Hatton 1911-6-20 137 Modoc Modoc National Forest 1524 Comment
  HSC64366  Alopecurus saccatus Don Bateman 1980-7-1 Modoc 10 mi. E of Tule Lake; 2 mi. S of Oregon border 1341 Comment
  SEINET10481947  Alyssum alyssoides Jeffrey Huber 1971-6-3 Huber 101 Modoc 5 mi s of canby on state hwy 299, lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper, artemisia, purshia, poa association. 1280 Comment
  SEINET10904353  Alyssum desertorum Paul Gallian, David B. Dunn 1971-6-3 Gallian 525 Modoc 5 mi s canby on state hwy 299, lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper-artemesia, purshia, poa assoc. 1280 Comment
  UC1191390  Amaranthus californicus Herbert L. Mason 1947-8-8 13461 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas. Comment
  JEPS54298  Amaranthus californicus W. L. Jepson 1918-8-5 7828 Modoc Alturas. 1371 Comment
  CHSC106212  Amaranthus powellii Lowell Ahart; John Dittes 2010-8-31 17107 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA768066  Amaranthus powellii L. Ahart, John Dittes 2010-8-31 17107 Modoc East side of Elkins Lane, about 100 yrds north of 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
  NY849710  Amelanchier alnifolia var. alnifolia B. M. Bartholomew 1988-6-24 4315 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains 2130 Comment
  HSC18538  Amelanchier alnifolia var. semiintegrifolia M. T. Milligan 1967-6-15 656 Modoc E of Jess Valley 1707 Comment
  CAS-BOT-BC217082  Amelanchier utahensis A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill, Modoc Forest Comment
  CAS-BOT-BC217090  Amelanchier utahensis Alice Eastwood; John Thomas Howell 1940-6-12 8045 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC217095  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1989-6-2 4778 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  CHSC100458  Amelanchier utahensis Lowell Ahart; John Dittes 2008-8-25 15326 Modoc On the east side of East Gouger Neck Road, east of the Pit River, 2.1 miles by road from County Road 91, 5.6 miles (air) northeast of Lookout. 1293 Comment
  JEPS114497  Amelanchier utahensis Lowell Ahart, John Dittes 2008-8-25 15326 Modoc On the east side of East Gouger Neck Road, east of the Pit River, 2.1 miles by road from County Road 91, 5.6 miles (air) northeast of Lookout 1293 Comment
  JEPS45141  Amelanchier utahensis W. L. Jepson 1918-8-6 7838 Modoc Summit of Fandango Pass; Warner Mts. 1859 Comment
  CAS-BOT-BC245114  Amphiscirpus nevadensis Edward Kent Balls 1950-5-13 14668 Modoc Goose Lake, E shore near Willow Ranch. 1463 Comment
  CHSC100112  Amphiscirpus nevadensis L. P. Janeway; B. Castro 2008-8-16 9544 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  HSC3507  Amsinckia intermedia M. T. Milligan 1964-6-20 73 Modoc 1 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  CAS-BOT-BC54151  Amsinckia menziesii Annie Montague Alexander; L. Kellogg 1946-6-12 4727 Modoc 1 mi. E of Lake City. 1414 Comment
  RSA0089940  Amsinckia menziesii Verne Grant, Irving Schneider 1947-7-18 8044 Modoc Eastside Canal, 5 miles north of Bayley s bridge, south of Alturas. Comment
  JEPS25208  Amsinckia menziesii var. menziesii Frances D. Payne 1931-6-17 184 Modoc Parker Creek s and e of Alturas; Warner Mountains 1584 Comment
  UC748453  Amsinckia menziesii var. menziesii Annie M. Alexander and Louise Kellogg 1946-6-12 4727 Modoc one mi e Lake City 1414 Comment
  CAS-BOT-BC218331  Anemone Francis Dorris Payne 1931-6-29 285 Modoc E side of Mt. Warren, Warner Mts. Comment
  CAS-BOT-BC15611  Antennaria argentea M. M. Hanna 1956-6-7 s.n. Modoc Hwy 139 between Canby and Tienesta. Comment
  HSC81030  Antennaria argentea G. M. Riegel 1978-8-24 709 Modoc South Warner Mountains 1670 Comment
  UC748335  Antennaria argentea Annie M. Alexander and Louise Kellogg 1946-6-17 4785 Modoc Cedar Pass Road 1767 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-BC15622  Antennaria dimorpha Mrs. H. C. Cantelow 1940-5-31 3221 Modoc 8.9 mi. E of Indian Springs. Comment
  JEPS33941  Antennaria dimorpha L. S. Smith 1918-1-1 770 Modoc Modoc National Forest Comment
  JEPS89479  Antennaria flagellaris Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12525 Modoc 0.5 mi. e. Duncan Reservoir (hillside on western rim of Black Canyon); Modoc Plateau, Washington Mt. 7 1/2 Quad., Black Canyon 1524 Comment
  CAS-BOT-BC15588  Antennaria geyeri John Thomas Howell 1934-6-30 12255 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC15585  Antennaria geyeri Frank Warrington Peirson 1926-6-26 6909 Modoc NW of Canby. Comment
  UC29493  Antennaria geyeri Mrs. R. M. Austin Jun 1894 Modoc near Willow Creek Comment
Read comments
Jul 6 2010
  CAS-BOT-BC15592  Antennaria luzuloides Bruce Bartholomew; Barrett Anderson 1988-6-24 4361 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  CAS-BOT-BC15593  Antennaria luzuloides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16426 Modoc Near summit of Cedar Pass. 1920 Comment
  CAS-BOT-BC15596  Antennaria luzuloides Mrs. H. C. Cantelow 1941-5-23 3511 Modoc 2 mi. W of Adin, summit of Hwy 299. Comment
  RSA518794  Antennaria luzuloides Barbara Ertter 1988-6-18 7625 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Nat'l Monument E of Tonesta. 1311 Comment
  CHSC117048  Antennaria luzuloides subsp. luzuloides Lowell Ahart; John Dittes 2016-6-6 20949 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
  SEINET475156  Antennaria luzuloides subsp. luzuloides Arnold Tiehm 1984-6-30 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile Creek on the road from Lake Annie Comment
  RSA164329  Antennaria rosea Clare B. Hardham 1961-6-20 7883 -A Modoc Top of Bidwell Road, Road to Dismal Creek 2439 Comment
  SEINET195645 Image available Antennaria rosea Annie Alexander, Louise Kellogg 1946-6-27 4847 Modoc North end of Warner Mtns 2377 Comment
  CAS-BOT-BC15562  Antennaria rosea subsp. rosea Bruce Bartholomew; Barrett Anderson 1988-7-21 4462 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC15563  Antennaria rosea subsp. rosea Louis Cutter Wheeler 1935-8-8 3808 Modoc N Fork Bidwell Creek. 2377 Comment
  JEPS120133  Apera interrupta Lowell Ahart, John Dittes 2012-7-10 18324 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
  CHSC117819  Aphyllon purpureum L. P. Janeway 2016-5-18 12094 Modoc Modoc Plateau. Devils Garden area; along Road 48N28 .7 road-km east of Road 7/48N08/Crowder Flat Road; 3.9 air-km east of Weed Valley. 1627 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
  UC71837  Apocynum androsaemifolium Mrs. M. H. Manning 1903-6 200 Modoc near Ft. Bidwell Ft. Bidwell; n.e. Modoc Co. Comment
  HSC3214  Apocynum androsaemifolium M. T. Milligan 1964-7-1 110 Modoc Ballard's Resvr. Rd. 3 mi. E of Modoc Co. Rd. 54. 1372 Comment
  RSA164334  Apocynum androsaemifolium subsp. pumilum Clare B. Hardham 1961-6-18 7599 Modoc Rte. 395, 3.3 miles south of Cedar Pass turn-off Comment
  UCSC000562  Apocynum pumilum F. H. Frost 1925-7-13 70 Modoc Warner Mountians, Cedar Canyon, Mountian roadside Comment
  POM99712  Aquilegia formosa R. M. Austin 1895-07 437 Modoc Willow Creek (Devils Garden) Comment
Read comments
Jul 11 2010
  CAS-BOT-BC218340  Aquilegia formosa var. formosa Leland S. Smith 1920-7-13 1176 Modoc Grizzley's. 1554 Comment
  CAS-BOT-BC218345  Aquilegia formosa var. formosa Leland S. Smith 1922-7-7 1256 Modoc High Grade Hill above Dismal Swamp. 2316 Comment
  HSC81060  Arabis divaricarpa G. M. Riegel 1980-8-9 1026 Modoc S Warner Mtns. 1670 Comment
  RSA0126331  Arabis hirsuta R. Weatherby 1955-7-8 1624 Modoc 6 miles N of Ft. Bidwell. Northern Warner Mtns. 1738 Comment
  HSC6568  Arabis holboellii var. retrofracta M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir Comment
  JEPS53115  Arabis puberula Mrs. C. C. Bruce Jun 1898 2247 Modoc Goose Lake hills Goose Lake Comment
  CAS-BOT-BC95649  Arctostaphylos nevadensis Belknap C. Goldsmith 1911-6-14 31 Modoc N Fork Davis Creek. 1920 Comment
  RSA367388  Arctostaphylos patula Christopher Davidson 1975-6-4 2624 Modoc Ca. 9.4 mi S of Canby on rd to Manzanita lookout. 1532 Comment
  RSA17681  Arenaria aculeata Elmer I. Applegate 1932-7-9 7600 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  RSA59527  Arenaria aculeata E. K. Balls 1950-5-20 14812 Modoc Slope south of [Pitt] river; South Fork Public Camp, Likely to Jess Valley. 1433 Comment
  UC465484  Arenaria congesta var. congesta M. F. Gilman 662 Modoc Comment
  RSA602821  Aristida oligantha L. C. Wheeler 1935-9-6 3959 Modoc Fletcher Creek at Pease Place. Devil's Garden. 1524 Comment
  CHSC77182  Arnica chamissonis G. Schoolcraft 1996-7-22 2539 Modoc Meadow east of Yankey Jim Ranch (SE of Alturas). 91 Comment
Read comments
Feb 27 2007
  JEPS35869  Arnica chamissonis Frances D. Payne 1931-6-20 204 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC748079  Arnica chamissonis Annie M. Alexander and Louise Kellogg 1946-7-13 4990 Modoc Cowhead Lake Comment
  CAS-BOT-BC15566  Arnica chamissonis subsp. foliosa Annie Montague Alexander; L. Kellogg 1946-7-13 4990 Modoc Cowhead Lake. Comment
  CAS-BOT-BC15410  Arnica cordifolia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16457 Modoc Near summit of Fandango Pass. Comment
  CAS-BOT-BC15417  Arnica cordifolia Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mtns. at the summit. E. of Alturas Comment
  HSC4687  Arnica cordifolia M. T. Milligan 1964-7-25 191 Modoc Pine Creek Basin, along trail. 2439 Comment
  UCR267415  Arnica cordifolia Jim Andre, Glenn L. Clifton 1993-6-12 29993 Modoc Warner Mountains, Cedar Pass, Hwy 299, Modoc National Forest 1919 Comment
  POM98603  Arnica cordifolia F. W. Peirson 1926-6-25 s.n. Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  RSA152449  Arnica cordifolia I. L. Wiggins, Dorothy Wiggins 1961-6-13 16457 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  UC220228  Arnica cordifolia Mrs. R. M. Austin 1885-6-1 Modoc hills Comment
  UC936274  Arnica longifolia Annie M. Alexander and Louise Kellogg 1946-7-23 5057 Modoc northeast, in rockslide below cliff Emerson Peak; Warner Mountains, Emerson Peak Comment
  JEPS35913  Arnica mollis L. S. Smith 1917-8-3 147 Modoc South Fork Davis Creek Modoc National Forest, South Fork Davis Creek 2042 Comment
  CHSC115055  Arnica sororia Jessica O'Brien 2014-9-24 Modoc 1364 Comment
  CAS-BOT-BC242408  Arrhenatherum elatius Leland S. Smith 1919-6-2 1112 Modoc Deep Creek Ranger Station. 1493 Comment
  CHSC67332  Artemisia arbuscula James D. Jokerst 1986-9-18 2769 Modoc Radar Site Survey S of Doublehead Mtn. Ca. 1.5 mi S of Doublehead Mtn. 1386 Comment
  SEINET229955  Artemisia arbuscula Leila M. Shultz, John S. Shultz 1985-6-23 8593 Modoc California, Modoc County. Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near highway 139. 1310 Comment
  CAS-BOT-BC90105  Artemisia arbuscula subsp. arbuscula Frank P. Sipe 1937-8-27 s.n. Modoc Alturas - Susanville Road Comment
  HSC67875  Artemisia arbuscula subsp. arbuscula J. P. Smith, J. O. Sawyer 1973-8-8 7248 Modoc S slopes of Eagle Peak 2561 Comment
  JEPS37038  Artemisia arbuscula subsp. arbuscula L. S. Smith 1918-8-27 1054 1/2 Modoc Cottonwood and Milk Creek Modoc National Forest 2438 Comment
  SBBG128252  Artemisia douglasiana L. Ahart, J. Dittes 2010-8-31 17098 Modoc E side of Elkins Lane, ca. 10 yards S of the bridge across Ash Crk, Ash Crk State Wildlife Area, 4215 feet N of Lassen County Line, ca. 4.3 mi W of Adin, ca. 7.7 mi NE of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC15257  Artemisia ludoviciana subsp. incompta Bruce Bartholomew 1990-8-4 5631 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  SEINET212885  Artemisia ludoviciana subsp. incompta K. L. Chambers, Ron Tyrl 1965-9-22 2432 Modoc Cedar Pass, Warner Mountains 1920 Comment
  UC1776690  Artemisia ludoviciana subsp. incompta G. Schoolcraft 1999-7-13 2865 Modoc Lower slopes of Warner Mountains 3 miles N of Eagleville, CA 1463 Comment
  JEPS6002  Artemisia ludoviciana subsp. incompta Frances D. Payne 1933-8-6 776 Modoc 2 mi. sw. Warren Mountain (southwestern Modoc County); Pine Creek Basin 2316 Comment
  SEINET7153178 Image available Artemisia ludoviciana subsp. incompta R. R. Halse 2006-8-4 6994 Modoc Patterson Station Campground, ca. 15 air miles east of Likely, south end of Warner Mountains. 2109 Comment
  CAS-BOT-BC15272  Artemisia ludoviciana subsp. ludoviciana Leland S. Smith 1917-7-24 117 Modoc Joseph Creek camp. 2072 Comment
  CAS-BOT-BC15273  Artemisia ludoviciana subsp. ludoviciana Bruce Bartholomew; Barrett Anderson 1990-7-20 5456 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  CDA13461  Artemisia ludoviciana subsp. ludoviciana G. F. Hrusa, T. D. Wilfred 1996-7-21 13308 Modoc Modoc Plateau; Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  JEPS114661  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2008-8-25 15278 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  RSA607281  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1935-8-14 3849 Modoc Sunny lake shore above high water line Lily Lake, Pine Creek, Warner Mts. 2073 Comment
  UC29669  Artemisia ludoviciana subsp. ludoviciana Mrs. R. M. Austin 1895-7-1 Modoc Davis Creek Comment
  CAS-BOT-BC15202  Artemisia spinescens E. S. Willits 1940-6-9 341 Modoc Cedarville. 1371 Comment
  CAS-BOT-BC15214  Artemisia tridentata subsp. tridentata Roxana S. Ferris; Laura Lorraine 1941-8-13 10563 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  CHSC113987  Artemisia tridentata subsp. tridentata L. P. Janeway 2014-7-7 11448 Modoc Great Basin. Northwest edge of plateau overlooking Cow Head Lake; halfway between Cow Head Lake and Big Mud Lake; along an obscure dirt road 1.0 km north-northwest of Barrel Springs Road. 1670 Comment
  HSC81037  Artemisia tridentata subsp. tridentata G. M. Riegel 1979-7-12 529 Modoc S Warner Mtns. 1739 Comment
  CHSC67337  Artemisia tridentata subsp. vaseyana James D. Jokerst 1986-9-18 2771 Modoc Radar Site Survey S of Doublehead Mtn., NE face of Timber Mtn. Comment
  UCR138446  Artemisia tridentata subsp. vaseyana David A. Charlet 1989-8-15 521 Modoc Warner Mountains; 1.2 km NW of Eagle Peak 2550 Comment
  CAS-BOT-BC15655  Asclepias cordifolia E. S. Willits 1940-6-9 330 Modoc Fandango Pass. Comment
  CAS-BOT-BC15658  Asclepias cordifolia Bruce Bartholomew 1995-6-1 6923 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  CAS-BOT-BC15700  Asclepias cordifolia Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6032 Modoc Above Cedarville. 1493 Comment
  HSC1978  Asclepias cordifolia M. T. Milligan 1965-6-30 392 Modoc E of Jess Valley 1677 Comment
  RSA0025586  Asclepias cordifolia John F. Emmel 1996-7-15 1435 Modoc East slope Warner Mtns; along County Road 42, ca. 2 air mi WNW of Snake Lake. 1829 Comment
  RSA520440  Asclepias cordifolia Bruce Bartholomew 1990-6-15 5218 Modoc SW side of Hunters Ridge, 6.3 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  CAS-BOT-BC498751  Asclepias fascicularis L. S. Smith 1918-8-13 1034 Modoc Modoc Forest, below Lost Lake 1828 Comment
  CDA39829  Asclepias speciosa T. C. Fuller 1958-7-9 2053 Modoc 5 miles west of Adin. 0 Comment
  RSA252480  Aster eatonii R. F. Thorne, C. W. Tilforth 1969-9-5 39174 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  CAS-BOT-BC180155  Astragalus Leland S. Smith 1924-5-31 1351 Modoc Egg Lake Ranch S of house. Comment
  JEPS86084  Astragalus Wayne Roderick 1966-7-23 Modoc Warner Mountains 2133 Comment
  RSA750620  Astragalus bolanderi R. M. Austin 1898-07 198 Modoc Shore Goose Lake. Comment
  CDA26646  Astragalus curvicarpus T. C. Fuller 1965-6-2 13592 Modoc West side of Canby-Tulelake Highway, ca. 1 mile north of the Tulelake Quarantine Station. 0 Comment
  RSA31861  Astragalus curvicarpus A. A. Heller 1938-6-24 15225 Modoc U. S. Highway 299, between Alturas and Canby. 1341 Comment
  CAS-BOT-BC218220  Astragalus curvicarpus var. curvicarpus Bruce Bartholomew 1993-6-14 6674 Modoc Vicinity of Badger Well. 1500 Comment
  NY803541  Astragalus curvicarpus var. curvicarpus L. S. Rose 1940-6-11 40513 Modoc Canby 1326 Comment
  JEPS114697  Astragalus filipes Lowell Ahart, John Dittes 2008-6-20 14977 Modoc upland on the NE side of Big Valley, about 5.3 mi (air NE of the Headquarters at Ash Creek State Wildlife area, about 8.3 mi (air) NE of Bieber 1287 Comment
  UC1563713  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
  JEPS54660  Astragalus filipes Leland S. Smith 1919-6-8 1126 Modoc Deep Creek above station (Modoc Forest); , Deep Creep above station 1676 Comment
  POM24786  Astragalus gibbsii R. M. Austin 1895-07 47 Modoc Goose Lake Comment
  CDA37189  Astragalus lemmonii CDFA Staff 2004-5-27 s.n. Modoc Ash Creek, near Adin. 0 Comment
  CAS-BOT-BC182048  Astragalus obscurus Bruce Bartholomew 1991-5-24 5740 Modoc Near NW side of Big Mud Lake and 2 km SW of Nevada State boundary. 1680 Comment
  CAS-BOT-BC182049  Astragalus obscurus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6535 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC182046  Astragalus purshii Mrs. H. C. Cantelow 1940-6-2 Modoc 4 miles west of Alturas, Klamath Falls Hwy., on road to Bad Lands Comment
  CAS-BOT-BC182043  Astragalus purshii E. H. Steffen 1917-5-26 14 Modoc West Valley Camp. 1554 Comment
  UC1037200  Astragalus purshii var. tinctus Leo Whitney 1934-5-13 1549 Modoc near Timbered Mountains (Devil's Garden, Alturas); Devil's Garden, near Timbered Mountain, Alturas 1524 Comment
  UC13457  Astragalus purshii var. tinctus Mrs. R. M. Austin and Bruce June 1898 2207 Modoc Plains Goose Lake Comment
  RSA25341  Astragalus stenophyllus C. L. Hitchcock 1940-5-27 6650 Modoc 9 miles northeast of Alturas. 1402 Comment
  RSA160020  Astragalus whitneyi var. confusus Clare B. Hardham 1961-6-18 7559 Modoc Cedar Pass. 1829 Comment
  SEINET10936502  Astragalus whitneyi var. confusus Jeffrey Huber 1971-6-3 Huber 95 Modoc 5 mi s of canby on calif hwy 299, lupinus heavily carpeting hillsides of large Basaltic boulders, sparse juniper, artemesia, purshia, poa assoc. 1280 Comment
  CAS-BOT-BC181997  Astragalus whitneyi var. lenophyllus Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13333 Modoc 9.7 mi. N of Adin on Hwy 299. Comment
  CAS-BOT-BC182015  Astragalus whitneyi var. lenophyllus Clare Butterworth Hardham 1961-6-18 7559 Modoc E side Cedar Pass. 1828 Comment
  RSA0017009  Astragalus whitneyi var. siskiyouensis I. L. Wiggins, Dorothy B. Wiggins 1961-6-16 16525 Modoc 6.4 mi. W of Canby. Comment
  CAS-BOT-BC30208  Athyrium alpestre var. americanum Annie Montague Alexander; L. Kellogg 1946-7-23 5056 Modoc Emerson Peak, 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
  RSA520472  Athysanus pusillus Bruce Bartholomew, B. Anderson 1989-4-27 4626 Modoc Little Hot Spring Valley, 4 km NW of Day. 1070 Comment
  RSA97506  Atriplex confertifolia Beecher Crampton 1954-7-7 2152 Modoc 7 miles E of Cedarville. Comment
  UC1191304  Atriplex rosea Herbert L. Mason 1947-8-9 13485 Modoc e side Fairchild Swamp (n of Alturas); e side Fairchild Swamp, n of Alturas Comment
  UCD97671  Atriplex rosea Herbert L. Mason 1947-8-9 13485 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  RSA639578  Atriplex subspicata L. C. Wheeler 1935-9-4 3950 Modoc Goose Lake: McGinty Point. 1463 Comment
  UC122590  Azolla filiculoides Mrs. R. M. Austin June 1894 Modoc Willow Creek Valley Comment
  UC42327  Azolla filiculoides Mrs. R. M. Austin June, 1894 Modoc Cold Spring; Willow Creek Valley Comment
Read comments
Jul 6 2010
  UCD149842  Balsamorhiza hirsuta Harry George 1967-6-15 s.n. Modoc Lookout. Comment
  JEPS5953  Balsamorhiza hookeri Frances D. Payne 1929-6-23 20 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC15187  Balsamorhiza hookeri var. lanata M. M. Hanna 1956-6-5 s.n. Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC15130  Balsamorhiza sagittata Annie Montague Alexander; L. Kellogg 1946-6-10 4720 Modoc Lava bench between Lower and Snake lakes, on a slope facing Lower Lake Comment
  SEINET5780950 Image available Balsamorhiza sagittata S. Saufferer 1973-5-5 130 Modoc about 7.5 mi. S of Pine Creek, along Hwy 395 Comment
  UC71588  Balsamorhiza sagittata Mrs. M. H. Manning 1903-5-1 113 Modoc near Fort Bidwell Comment
  CAS-BOT-BC15141  Balsamorhiza serrata Bruce Bartholomew 1994-5-15 6695 Modoc Poison Spring Canyon near junction with Schamp Creek. Ca. 8 km E of Fort Bidwell. 1480 Comment
  CHSC107331  Barbarea orthoceras Lowell Ahart; John Dittes 2011-6-21 17518 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC25995  Barbarea orthoceras D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19475 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  RSA554804  Barbarea vulgaris Margaret J. Williams, Thad Holcomb, Betty Holcomb, Lois Saxton 1988-5-28 88- 21 -1 Modoc Crowder Flat road, W of Alturas. Road leads to Devil s Garden and Big Sage Reservoir and is near Hwy 299. Comment
  CAS-BOT-BC242409  Beckmannia syzigachne John H. Hatton 1911-6-24 160 Modoc unspecified Comment
  POM313190  Beckmannia syzigachne H. L. Mason 1947-7-11 13367 Modoc Irrigation ditch by Jones Lane, off Highway 395, south of Alturas Comment
  SEINET10934453  Beckmannia syzigachne Louis C. Wheeler 1935-10-5 Wheeler 4019 Modoc N Fork Pit River at Parker Creek. Damp silt. 1372 Comment
  CAS-BOT-BC54187  Berberis aquifolium var. repens Bruce Bartholomew 1991-6-21 5805 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CHSC118798  Berberis aquifolium var. repens L. P. Janeway 2015-8-9 11826 Modoc Warner Mountains. Near head of a northwest-facing bowl of a drainage of Coyote Creek where Road 39N06A crosses it; 0.8 road-km east of Road 39N06. 2088 Comment
  CAS-BOT-BC21487  Berula erecta Bruce Bartholomew 1991-10-13 6122 Modoc Just N of Surprise Valley Mineral Hot Springs, ca. 8 km W of Cedarville, Surprise Valley. 1320 Comment
  RSA98355  Berula erecta F. W. Peirson 1926-6-26 6903 Modoc between Alturas and Canby Comment
  CAS-BOT-BC497321  Betula glandulosa Annie M. Alexander; Louise Kellogg 1946-6-25 4819 Modoc Dismal Swamp, north end of Warner Mountains 2255 Comment
  POM229933  Betula nana L. C. Wheeler 1935-8-15 3858 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  NY526320  Betula occidentalis B. M. Bartholomew 1988-6-24 4350 Modoc South Barber Creek, 6.3 km southwest of County Road 1 on County Road 42, east side of the Warner Mountains. Snake Lake 7 1/2' Quad. 1790 Comment
  UC615021  Betula occidentalis Beryl O. Schreiber 1934-6-11 1178 Modoc along creek <on> road to Patterson Mill Ranger Station; Warner Mountains, east Silver Creek Comment
  UC711814  Betula occidentalis Roxana S. Ferris and Laura Lorraine 1941-8-14 10600 Modoc on Eagleville rd 8 1/2 mi from Patterson Ranger Station (along stream); Modoc National Forest, Warner Mountains Comment
  CDA39611  Betula occidentalis T. C. Fuller 1971-7-14 19907 Modoc South Barber Creek at crossing with Barber Grade. 0 Comment
  RSA210843A  Bidens cernua R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39027 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  CAS-BOT-BC218115  Bistorta bistortoides K. Paulson; Robert Paulson 1988-6-29 65 Modoc Benton Meadow, Warner Mts.. 1676 Comment
  CAS-BOT-BC15089  Blepharipappus scaber Alice Eastwood; John Thomas Howell 1940-6-12 8067 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC15109  Blepharipappus scaber James D. Jokerst 1983-5-31 1809 Modoc Near Signal Butte. 1340 Comment
  UC35785  Blepharipappus scaber Mrs. R. M. Austin 1894-7-1 Modoc Goose Leake Valley Comment
Read comments
Jul 6 2010
  UC71693  Blepharipappus scaber Mrs. M. H. Manning Jul 1 1903-Aug 1 1903 165 Modoc near Fort Bidwell Comment
  CAS-BOT-BC15077  Blepharipappus scaber Louis Cutter Wheeler 1935-8-1 3725 Modoc Pine Creek, Warner Mts. 1767 Comment
  HSC5209  Blepharipappus scaber M. T. Milligan 1965-6-27 377 Modoc Slopes and ridges E of Jess Valley 1616 Comment
  OBI77379  Blepharipappus scaber Lewis S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  POM351057  Blepharipappus scaber Thomas W. Nelson, James Nelson, Jane P. Nelson 1976-8-29 3248 Modoc Modoc National Forest, Growing beside highway 299 just northwest of Adin Pass. 1524 Comment
  POM351058  Blepharipappus scaber L. S. Rose 1940-6-14 16749 Modoc Kelly Hot Springs. 1341 Comment
  SEINET5512251  Blepharipappus scaber J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  SEINET7379328 Image available Blepharipappus scaber M. J. Williams 1984-6-30 84- 75 -1 Modoc 27.4 miles N of Cedar Pass road on Hwt 395. 1295 Comment
  UC71684  Blepharipappus scaber Mrs. M. H. Manning 1904-8-22 300 Modoc Warner Range 1981 Comment
  CAS-BOT-BC95729  Boechera pauciflora Milo Samuel Baker; Franklin P. Nutting 1894-1-1 Modoc Near Egg Lake. Comment
  CHSC118073  Boechera pauciflora L. P. Janeway 2016-5-17 12019 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  CAS-BOT-BC14095  Boechera pauciflora B. Bartholomew; B. Anderson 1988-7-21 4464 Modoc Vicinty of Patterson Campground, southern end of Warner Mountains. 2190 Comment
  CAS-BOT-BC14522  Boechera puberula B. Bartholomew 1991-6-21 5798 Modoc 1.6 km south of Davis Creek on US highway 395. 1450 Comment
  CAS-BOT-BC14526  Boechera puberula John Thomas Howell 1934-6-30 12267 A Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC14523  Boechera puberula B. Bartholomew 1991-6-23 5878 Modoc 2.6 km northeast of Crowder Flat Road on road between Ingall Swamp and Dorris Brothers Reservoir. 1520 Comment
  UCD150423  Boechera puberula Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  UC117909  Boechera retrofracta unknown Jun 1894 209 Modoc Willow Creek Valley Comment
  CAS-BOT-BC35121  Boechera sparsiflora M. Vasey 1990-6-28 9011 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail. 2590 Comment
  UC10097  Boechera sparsiflora Milo S. Baker 1893-6 Modoc Comment
  SBBG2382  Boechera stricta H. and M. Dearing 1939-6-8 3595 Modoc Lily Lake, Warner Mtns 1828 Comment
  CAS-BOT-BC25896  Boechera subpinnatifida B. Bartholomew; M. Bourell 1990-4-28 5198 Modoc 0.3 km south of Davis Creek on highway 395. 1450 Comment
  CAS-BOT-BC15094  Brickellia grandiflora Louis Cutter Wheeler 1935-8-14 3847 Modoc Lily Lake, Warner Mountains, Modoc National Forest 2072 Comment
  CHSC118845  Brickellia grandiflora L. P. Janeway 2015-8-9 11828 Modoc Warner Mountains. Along Road 39N06 overlooking Coyote Creek, 3.7 road-km north of Road 64 (39N06 - the road to Patterson Campground): 6.4 air-km north-northeast of Blue Lake. 2027 Comment
  CAS-BOT-BC244939  Brodiaea coronaria subsp. coronaria Barrett Anderson 1986-7-9 3141 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  JEPS19748  Brodiaea coronaria subsp. coronaria Rimo Bacigalupi with S. Galen Smith 1957-6-27 5980 Modoc along State Hwy 139 about 9 mi nw Canby (above edges of former extensive vernal pool along hwy) 1584 Comment
  RSA70132  Brodiaea coronaria subsp. coronaria F. W. Peirson 1926-6-26 6910 Modoc Modoc National Forest NW of Canby. Comment
  CAS-BOT-BC242437  Bromus carinatus var. carinatus Leland S. Smith 1922-7-20 1272 Modoc Rush Creek Ranger Station. 2133 Comment
  UC1024859  Bromus carinatus var. carinatus Leo Whitney 1935-6-1 3171 Modoc 1 mi sw of White Horse Comment
  JEPS69181  Bromus carinatus var. carinatus Leland S. Smith 1917-7-17 84 Modoc Comment
  UCD59096  Bromus carinatus var. marginatus Leo Whitney 1934-5-19 3043 b Modoc Timbered Mountains. Devil's Garden, Modoc National Forest, northeast portion of county. 1524 Comment
  UCD59210  Bromus carinatus var. marginatus Beecher Crampton 1954-7-7 2127 Modoc West slope of Cedar Pass, Warner Mts. 1889 Comment
  UCD58486  Bromus commutatus A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3374 Modoc 3.5 miles E of Adin. Comment
  CAS-BOT-BC242473  Bromus hordeaceus Bruce Bartholomew 1990-6-17 5321 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  JEPS69203  Bromus hordeaceus Leland S. Smith 1918-6-12 932 Modoc Modoc National Forest, Buck Creek Ranger Station Buck Creek Ranger Station; Modoc National Forest, Buck Creek Ranger Station 1676 Comment
  UC1024999  Bromus japonicus Leo Whitney 1935-7-7 3384 Modoc 4 mi nw of Canby (Howard Gulch); Howard Gulch Comment
  RSA534586  Bromus marginatus Bruce Bartholomew 1989-7-15 4994 Modoc Sweagert Flat. 567 Comment
  HSC80908  Bromus orcuttianus G. M. Riegel 1979-9-6 763 Modoc South Warner Mountains 509 Comment
  CAS-BOT-BC161573  Bromus suksdorfii L. S. Smith 1922-7-20 1277 Modoc Modoc Forest. Rush Creek Ranger Station in pasture. 1905 Comment
  CAS-BOT-BC242455  Bromus tectorum Bruce Bartholomew; Barrett Anderson 1989-6-2 4775 Modoc Buck Creek, 1 cm NE of Fandango Pass Road, W side of the Warner Mountains. 1660 Comment
  UCD60047  Bromus tectorum Beecher Crampton; Carl Rimbey 1954-7-6 2111 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  HSC9401  Calamagrostis canadensis var. langsdorffii M. T. Milligan 1966-7-5 559 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CHSC117031  Callitriche fassettii Lowell Ahart; John Dittes 2016-6-6 20968 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Rd. 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash creek State Wildlife Area. 1271 Comment
  CAS-BOT-BC95092  Callitriche palustris John Thomas Howell 1934-6-13 12091 Modoc 2 1/2 mi. S of Eagleville. Comment
  CAS-BOT-BC95096  Callitriche palustris Robert Folger Thorne; C. W. Tilforth 1969-9-4 39060 Modoc 2 mi. W of Davis Creek (town), S of Goose Lake. 1432 Comment
  UC1583974  Callitriche verna G. Schoolcraft 1990-7-11 2106 Modoc about 2 mi w West Valley Reservoir 1493 Comment
  UC401354  Calocedrus decurrens W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  CAS-BOT-BC244933  Calochortus leichtlinii Elmer Ivan Applegate 1932-8-1 8004 Modoc Warren Peak. Comment
  CAS-BOT-BC244936  Calochortus leichtlinii Fred. P. Cronemiller 1920-8-13 22 Modoc Mill Creek Meadow. 2438 Comment
  CAS-BOT-BC244938  Calochortus leichtlinii Elmer Ivan Applegate 1932-7-31 7958 Modoc Mill Creek Meadow. Comment
  CAS-BOT-BC244928  Calochortus longebarbatus var. longebarbatus Dean William Taylor; G. L. Clifton 1987-6-24 9058 Modoc Egg Lake. Border of wet meadow tributary to lakebed. 1280 Comment
  CAS-BOT-BC244929  Calochortus longebarbatus var. longebarbatus Bruce Bartholomew 1994-7-4 6848 Modoc Hubert Creek. 1390 Comment
  CAS-BOT-BC242148  Calochortus macrocarpus C. C. (Mrs.) Bruce 1898-8-1 s.n. Modoc Goose Lake valley. Comment
  CAS-BOT-BC244926  Calochortus macrocarpus Bruce Bartholomew 1989-8-13 5143 Modoc Top of Manzanita Mountain. 2090 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
  RSA0120955  Caltha leptosepala I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16485 Modoc 6.4 mi. S of Lassen Creek Campground along road to Buck Mtn, Warner Mtns. Comment
  UC9030  Caltha leptosepala Mrs. C. C. Bruce July 1898 2306 Modoc Warner Mts. Comment
  NY485969  Caltha leptosepala subsp. howellii B. M. Bartholomew 1988-6-24 4327 Modoc Lily Lake, west side of the Warner Mountains. Fort Bidwell 15' Quad. 2130 Comment
  CHSC117570  Calycadenia Lowell Ahart; John Dittes 2016-7-14 21153 Modoc About 80 yards west of the Fishing Access Asign, low area along poor dirt road, more south of the fence, about 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.7 miles(air) south west of Adin, Big Valley. 1276 Comment
  UC7766  Calyptridium monospermum Milo S. Baker 1893-6-30 Modoc Egg Lake 1371 Comment
  UC1036051  Camassia quamash subsp. breviflora Annie M. Alexander and Louise Kellogg 1946-6-14 4752 a Modoc Silver Creek branch of Patterson Mill Road Silver Creek 1828 Comment
  CAS-BOT-BC58637  Camelina microcarpa E. S. Willits 1940-5-17 270 Modoc Willow Ranch Comment
  JEPS118336  Camelina microcarpa Lowell Ahart, John Dittes 2011-6-22 17547 Modoc On the east side of the road, about 150 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  POM254337  Camissonia andina Alice Eastwood, John Thomas Howell 1940-6-15 8291 Modoc 9 miles N of Lookout Comment
  CAS-BOT-BC191105  Camissonia pusilla Bruce Bartholomew 1993-6-13 6642 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  CAS-BOT-BC191098  Camissonia subacaulis Bruce Bartholomew 1994-7-2 6805 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  CAS-BOT-BC191099  Camissonia subacaulis Louis Cutter Wheeler 1935-8-1 3731 Modoc Dismal Swamp. 2225 Comment
  HSC16481  Camissonia subacaulis M. T. Milligan 1964-7-25 180 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC191096  Camissonia subacaulis Leland S. Smith 1920-6-1 1155 Modoc Between Fort Bidwell and Cow Head Lake. 1859 Comment
  NY852162  Camissonia tanacetifolia L. C. Wheeler 1935-8-2 3744 Modoc Twelve Mile Creek, Warner Mountains 2195 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
  POM229954  Camissonia tanacetifolia subsp. tanacetifolia Louis C. Wheeler 1935-8-2 3744 Modoc Twelve Mile Creek, Warner Mountains 2195 Comment
  RSA181791  Camissonia tanacetifolia subsp. tanacetifolia H. N. Metcalf, Jack C. Wilson 1965-7-1 65 -20 Modoc Davis Creek. Comment
  CAS-BOT-BC95105  Campanula scabrella D. Showers 1978-8-8 4219 Modoc Near Patterson Lake. 2743 Comment
  SEINET10463375  Campanula scabrella Unknown 1978-8-8 Showers 4219 Modoc NEAR PATTERSON LAKE, WARNER MOUNTAINS ON DRY OPEN SLOPES, ELEV. 2743 Comment
  RSA603596  Cardamine breweri L. C. Wheeler 1935-8-15 3864 Modoc Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC58431  Cardamine breweri var. breweri Louis Cutter Wheeler 1935-8-16 3864 Modoc Dismal Swamp, Warner Mts. 2225 Comment
  CAS-BOT-BC58472  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1989-6-2 4844 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC58473  Cardamine breweri var. breweri Bruce Bartholomew 1989-8-11 5102 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  UCR34820  Carex J. A. Harpel 1981-8-6 V 3 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC1024320  Carex angustata Annie M. Alexander and Louise Kellogg 1946-6-15 4777 Modoc Deep Creek 2133 Comment
  UCD140094  Carex angustata Verne Grant; Irving Schneider 1947-8-29 8352 Modoc Pit River, at bridge by Coal Stone Valley. Comment
  HSC48335  Carex aquatilis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19334 Modoc Soup Springs Campground Comment
  UC1036070  Carex aquatilis Annie M. Alexander and Louise Kellogg 1946-7-19 5033 Modoc Benton Meadow Warner Mountains, Benton Meadow 2072 Comment
  RSA210806  Carex atherodes Robert F. Thorne, James Henrickson, Tilforth 1969-9-3 39018 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  CAS-BOT-BC242374  Carex athrostachya Annie Montague Alexander; L. Kellogg 1946-7-18 5023 Modoc Benton Meadow. 2072 Comment
  CDA33022  Carex athrostachya T. C. Fuller 1958-7-8 1942 Modoc Likely: Corporation Ranch 0 Comment
  UC1537620  Carex athrostachya Gordon H. True Jr. 1939-8-16 999 Modoc Canby Comment
  HSC48008  Carex brainerdii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19509 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
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Jan 1 2017
  CAS-BOT-BC245191  Carex diandra Robert Folger Thorne; C. W. Tilforth 1969-9-5 39164 Modoc Clear Lake. 1767 Comment
  CHSC67135  Carex douglasii James D. Jokerst 1987-5-13 2869 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  UC1024334  Carex heteroneura Annie M. Alexander and Louise Kellogg 1946-7-18 5020 Modoc Upper end Benton Meadow, Warner Mountains. Comment
  CAS-BOT-BC245185  Carex hoodii Bruce Bartholomew; Barrett Anderson 1988-7-21 4457 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC242362  Carex integra Annie Montague Alexander; L. Kellogg 1946-6-15 4776 Modoc Head Deep Creek. 2133 Comment
  HSC7115  Carex microptera M. T. Milligan 1966-7-3 533 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC245176  Carex multicaulis Bruce Bartholomew; Barrett Anderson 1989-4-27 4608 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC245178  Carex multicaulis Bruce Bartholomew 1992-5-17 6345 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  CAS-BOT-BC245179  Carex multicaulis Bruce Bartholomew 1993-6-12 6593 Modoc Top of ridge directly above Day Rock. 1380 Comment
  CAS-BOT-BC245180  Carex multicaulis Fred. P. Cronemiller 1920-6-30 27 Modoc Round Valley. 1402 Comment
  CAS-BOT-BC245173  Carex nebrascensis Bruce Bartholomew; Barrett Anderson 1988-7-23 4588 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  UC1024329  Carex nebrascensis Annie M. Alexander and Louise Kellogg 1946-7-7 4928 Modoc Eight Mile Creek 1752 Comment
  UC1100494  Carex nebrascensis Herbert L. Mason, Verne Grant 1947-8-8 13457 Modoc n Big Sage Reservoir (nw of Alturas); Ingalls Swamp Comment
  CAS-BOT-BC119596  Carex nigricans George Wilson Gillett 1957-8-10 1018 Modoc In cirque below E slope of Eagle Peak. 2651 Comment
  CHSC108011  Carex pellita Lowell Ahart; John Dittes 2011-6-21 17533 Modoc Just west of the levee, 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
  CHSC99776  Carex pellita Lowell Ahart; John Dittes 2008-6-21 15003 Modoc On damp soil along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, aout 6.4 miles (air northeast of Bieber. 1269 Comment
  RSA210783  Carex pellita Robert F. Thorne, C. W. Tilforth 1969-9-4 39048 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 Comment
  CAS-BOT-BC245155  Carex praegracilis B. Bartholomew; B. Anderson 1989-6-1 4757 Modoc ca. 0.5 km W of Davis Creek on road to W end of Goose Lake 1460 Comment
  HSC96159  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-28 1227 Modoc Surprise Valley, near NW end of Middle Alkali Lake, E of Gravel Pits, about 1 mi. from the Cedarville-Lake City Rd., the Fortynine Rd. 1296 Comment
  HSC7151  Carex rostrata M. T. Milligan 1966-6-30 505 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CHSC109225  Carex scopulorum var. bracteosa L. P. Janeway; B. Castro 2012-7-24 10954 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismall Swamp. 2250 Comment
  JEPS114828  Carex sheldonii Lowell Ahart, John Dittes 2008-6-21 15012 Modoc In shallow water 4-6 inches deep, edge of a large pond, north of a large levee, mountain meadow, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber 1266 Comment
  JEPS25926  Carex simulata W. L. Jepson 1918-8-5 7827 Modoc Likely 1371 Comment
  CAS-BOT-BC245150  Carex subfusca Bruce Bartholomew 1989-8-12 5115 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  UC1036053  Carex subfusca Annie M. Alexander and Louise Kellogg 1946-6-14 4760 Modoc branch to Silver Creek (Patterson Mill Road) 1828 Comment
  HSC48189  Carex tumulicola D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19420 Modoc Near Hager Reservoir Comment
  JEPS25928  Carex utriculata W. L. Jepson 1918-8-10 7934 Modoc Alturas 1371 Comment
  CAS-BOT-BC242397  Carex vernacula Annie Montague Alexander; L. Kellogg 1946-7-30 5100 Modoc Eagle Peak. Comment
  HSC75584  Carex whitneyi G. M. Riegel 1979-7-27 609 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC248973  Castilleja John Thomas Howell 1934-6-14 12116 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC225977  Castilleja applegatei subsp. pinetorum Clare Butterworth Hardham 1961-6-18 7595 Modoc Davis Creek. 2133 Comment
  CAS-BOT-BC225994  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-7-1 12329 Modoc Duncan Horse Camp. 1355 Comment
  HSC20502  Castilleja applegatei subsp. pinetorum M. T. Milligan 1965-6-30 381 Modoc E of Jess Valley. 1707 Comment
  JEPS3898  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-27 4844 Modoc 2 mi by road from Dismal Swamp (Highgrade, n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  SEINET13732522  Castilleja applegatei subsp. pinetorum M. J. Williams 1968-6-1 s.n. Modoc Cedar Pass. 2103 Comment
  UC1713295  Castilleja applegatei subsp. pinetorum Mrs. Austin Jun 1894 Modoc Willow Creek Comment
  UC199394  Castilleja applegatei subsp. pinetorum Franklin P. Nutting Modoc near Egg Lake Comment
  UC26527  Castilleja applegatei subsp. pinetorum Baker and Nutting 1894-6-13 Modoc near Egg Lake Comment
  UC986480  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-27 4844 Modoc 2 mi from by road Dismal Swamp (Highgrade, n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  UC986482  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-12 4733 Modoc 2 mi s Fort Bidwell 1444 Comment
  JEPS28981  Castilleja arachnoidea Frances D. Payne 1931-6-29 310 Modoc e slope Mt. Warren; Warner Range, Mt. Warren 2286 Comment
  CAS-BOT-BC226020  Castilleja lacera E. S. Willits 1940-5-20 276 Modoc Willow Ranch. Comment
  CAS-BOT-BC226025  Castilleja lacera K. Paulson; Robert Paulson 1989-7-18 200 Modoc Ca. 3.5 mi NE of Cedar Pass, E side of Warner Mts. 1673 Comment
  CAS-BOT-BC226035  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
  UC1063397  Castilleja lacera R. C. Wilson 1933-6-21 86 Modoc Stone Coal Valley Creek; Modoc National Forest, Canby Quad. 1402 Comment
  CAS-BOT-BC226041  Castilleja linariifolia Alice Eastwood; John Thomas Howell 1940-6-14 8195 Modoc 6 mi. W of Alturas. Comment
  CAS-BOT-BC226042  Castilleja linariifolia Belknap C. Goldsmith 1912-8-8 75 Modoc South of Goose Lake. 1493 Comment
  RSA305823  Castilleja longispica James R. Shevock 1972-5-20 1806 Modoc N of Alturas, Hwy 299. 1372 Comment
  UC444866  Castilleja miniata Milo S. Baker Aug 1898 523 Modoc Forestdale Comment
  CAS-BOT-BC226060  Castilleja pilosa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16470 Modoc Roadside 2.4 mi. S of Davis Creek, SE side of Goose Lake. Comment
  CAS-BOT-BC226065  Castilleja pilosa John H. Hatton 1911-6-20 125 Modoc Vicinity of Bolles meadows. 1524 Comment
  CHSC117766  Castilleja pilosa L. P. Janeway 2016-5-17 12027 Modoc Modoc Plateau. Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  JEPS90547  Castilleja pilosa Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9110 Modoc Upper South Deep Creek Warner Mountains (headwaters) 2194 Comment
  UC27235  Castilleja pilosa M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UC190604  Castilleja pilosa M. F. Gilman 561 Modoc 1981 Comment
  CAS-BOT-BC32564  Castilleja pilosa var. pilosa Alice Eastwood; John Thomas Howell 1940-6-11 8016 Modoc 7 miles SW of Canby Comment
  CHSC85130  Castilleja tenuis John Dittes; Josephine Guardino 1991-7-21 421 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
  JEPS120511  Castilleja tenuis L. P. Janeway, B. Castro 2012-7-25 10984 Modoc Warner Mountains. Comment
  JEPS76810  Castilleja tenuis Theodore F. Niehaus 1978-6-28 952 Modoc ca 12 mi w Canby (0.3 mi s on road to Craig Springs from junction with Loveness mainline logging road and 0.05 mi into sec. 13) Comment
  SEINET14173703  Castilleja tenuis M. J. Williams 1984-7-1 84- 87 -3 Modoc Crowder Flat Road, near Big Sage Reservoir, NW of Alturas. 1372 Comment
  JEPS79137  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 roads); junction of Parker Creek and Shields Creek 1737 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
  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-BC217103  Ceanothus prostratus A. D. Borden 1911-5-20 s.n. Modoc W slope Sugar Hill. Comment
  CAS-BOT-BC217106  Ceanothus prostratus L. A. M. Black 1894-1-1 93 Modoc Davis Creek. Comment
  POM136509  Ceanothus prostratus M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  RSA1097  Ceanothus prostratus E. R. Johnson 1928-8-31 1192 Modoc 4 miles W of lookout Comment
  SEINET4089768  Ceanothus prostratus C. Davidson 1975-1 2623 Modoc 5.3 miles south of Canby on road to Manzanita Lookout. 1493 Comment
  CAS-BOT-BC217114  Ceanothus velutinus John H. Hatton 1911-6-13 66 Modoc Modoc County. 1310 Comment
  POM182445  Ceanothus velutinus B. C. Goldsmith 1911-9-17 39 Modoc Fandango Creek, W slope of Warner Mts. Comment
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Jan 20 2011
  UC748204  Ceanothus velutinus Annie M. Alexander and Louise Kellogg 1946-6-28 4860 Modoc n end Warner Mountains (Pine Creek Canyon); n end of Warner Mountains, Pine Creek Canyon 2011 Comment
  UC931944  Ceanothus velutinus Verne Grant, Alva Grant 1947-7-11 8011 Modoc below Cedar Pass; n-facing slopes of Warner Mts., below Cedar Pass Comment
  POM126397  Ceanothus velutinus M. French Gilman 575 Modoc [No location data on label] 1677 Comment
  UC18456  Ceanothus velutinus Mrs. Bruce 1898-1 Modoc Comment
  HSC5232  Centaurea cyanus M. T. Milligan 1964-6-4 28 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  CDA7343  Centaurea squarrosa J. Kelley 1989-7-2 Modoc County Road 54 south of Alturas. 0 Comment
  CAS-BOT-BC95204  Cerastium fontanum Bruce Bartholomew 1994-5-27 6704 Modoc Bowman Spring W side of the Whitehorse Mountains near the Siskyou County line. 1400 Comment
  CAS-BOT-BC388227  Cerastium glomeratum B. Bartholomew 1992-5-16 6326 Modoc Lunsford Spring 1600 Comment
  CAS-BOT-BC95500  Ceratophyllum demersum Bruce Bartholomew 1992-8-7 6353 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  UC956844  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-7-20 8097 Modoc North Fork of Pit River by Dorris Bridge (Alturas); North Fork of Pit River Comment
  CAS-BOT-BC197529  Cercocarpus betuloides var. betuloides Bruce Bartholomew; Barrett Anderson 1988-6-23 4257 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  RSA11803  Cercocarpus ledifolius Elmer I. Applegate 1932-8-1 8055 Modoc Warner Mtns, near summit S of Warner Peak. Comment
  NY848748  Cercocarpus ledifolius var. intermontanus R. J. Weatherby 1955-7-8 1632 Modoc 5 miles north of Ft. Bidwell, northern Warner Mountains 1646 Comment
  NY848760  Cercocarpus ledifolius var. intermontanus J. T. Howell 1934-6-12 12009 Modoc Between Davis Creek and Plum Valley Comment
  CAS-BOT-BC197528  Cercocarpus ledifolius var. ledifolius Frederick H. Frost 1925-7-11 31 Modoc Cedar Canyon, 2 mi. above Cedarville, Warner Mts. Comment
  CAS-BOT-BC197533  Cercocarpus ledifolius var. ledifolius A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill. Comment
  CAS-BOT-BC197536  Cercocarpus ledifolius var. ledifolius Francis Dorris Payne 1931-6-17 160 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC197538  Cercocarpus ledifolius var. ledifolius Robert Patterson; Mona Bourell 1993-8-15 5234 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC197539  Cercocarpus ledifolius var. ledifolius Belknap C. Goldsmith 1911-5-20 23 Modoc Sugar Hill, W slope Warner Mts. 1584 Comment
  CAS-BOT-BC248320  Cercocarpus ledifolius var. ledifolius B. Bartholomew; H. Sun 2002-6-24 8866 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  CHSC65830  Cercocarpus ledifolius var. ledifolius J. Ingraham 1995-4-16 16 Modoc 12 mi NW of Davis Creek on Goose Lake Rd. E 1/4 of Goose Lake. 1447 Comment
  CAS-BOT-BC15052  Chaenactis douglasii var. douglasii M. M. Hanna 1956-6-5 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC15053  Chaenactis douglasii var. douglasii Bruce Bartholomew; Barrett Anderson 1990-7-21 5561 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC15064  Chaenactis douglasii var. douglasii John Thomas Howell 1934-6-11 11918 Modoc Parker Creek, Warner Mountains 1584 Comment
  UC90115  Chaenactis douglasii var. douglasii Mrs. R. M. Austin 1894-8-1 200 Modoc Goose Lake Valley Comment
  CAS-BOT-BC15056  Chaenactis douglasii var. douglasii Amos Arthur Heller 1938-6-24 15221 Modoc Between Alturas and Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC197526  Chamaebatiaria millefolium Mrs. M. H. Manning s.n. Modoc NW Modoc County. Comment
  CAS-BOT-BC245410  Chamaesaracha nana Leland S. Smith 1918-7-14 995 Modoc Mill Creek, Eagleville Trail. 2133 Comment
  JEPS9110  Chamaesaracha nana L. S. Smith 1918-7-14 995 Modoc Mill Creek Modoc Forest (Eagleville Trail) 2133 Comment
  JEPS15471  Chamaesaracha nana Joseph and Hilda W. Grinnell 1938-6-16 1107 a Modoc 100 ft below Cedar Pass summit; Warner Mountains 1935 Comment
  UC26086  Chamaesaracha nana Mrs. R. M. Austin Jun 1894 Modoc Comment
  NY1001697  Chamaesyce serpyllifolia M. S. Baker 1893-7-25 s.n. Modoc On island in Egg Lake Comment
  UC1025074  Chamaesyce serpyllifolia Leo Whitney 1934-6-5 1585 Modoc Quaking Asp Modoc National Forest 1219 Comment
  CAS-BOT-BC15028  Chamomilla suaveolens Bruce Bartholomew; Barrett Anderson 1989-6-1 4749 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CHSC112835  Chenopodium album Lowell Ahart; John Dittes 2013-7-24 18933 Modoc Edge of a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CHSC106201  Chenopodium desiccatum Lowell Ahart; John Dittes 2010-8-31 17111 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
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Jul 20 2019
  HSC80941  Chenopodium desiccatum G. M. Riegel 1980-8-25 1102 Modoc S Warner Mtns. 1739 Comment
  RSA531330  Chenopodium fremontii Bruce Bartholomew, B. Anderson 1990-7-20 5455 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  POM312491  Chenopodium hians H. L. Mason, Verne Grant 1947-7-10 13345 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  POM228960  Chenopodium salinum L. C. Wheeler 1935-8-18 3892 Modoc 2 miles northeast of Alturas 1357 Comment
  CAS-BOT-BC95665  Chimaphila umbellata Leland S. Smith 1917-9-18 162 Modoc Lassen Creek. 1828 Comment
  UC21660  Chimaphila umbellata Milo S. Baker 1893-6 Modoc Comment
  UC71818  Chimaphila umbellata Mrs. M. H. Manning 1903-9-2 372 Modoc n.e. Modoc Co., John Henry Hill Comment
  UCSB4702  Chimaphila umbellata Haller, John 1960-7-4 Modoc West of Cave Lake, road between New Pine Creek and Fort Bidwell, Warner Mountains 1981 Comment
  CAS-BOT-BC197834  Chorizanthe polygonoides var. polygonoides Alice Eastwood; John Thomas Howell 1940-6-15 8300 Modoc 5 mi. N of Lookout. Comment
  UCR64883  Chrysothamnus nauseosus George K. Helmkamp 1990-9-23 H- 3 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC15039  Chrysothamnus nauseosus subsp. albicaulis Loran C. Anderson 1958-8-24 1615 Modoc Cedar Pass Campground, 8 mi. W of Cedarville. Comment
  CAS-BOT-BC15042  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11056 Modoc Gilliam Bluff, Lava Beds National Monument Comment
  POM229177  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1935-9-10 3968 Modoc 1.5 miles SSW McGinty Reservoir, Devil's Garden 1524 Comment
  CDA34730  Chrysothamnus nauseosus subsp. consimilis L. Ahart, John Dittes 2010-8-3 17052 Modoc About 3 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC14990  Chrysothamnus viscidiflorus subsp. viscidiflorus Loran C. Anderson 1958-8-24 1614 Modoc Cedar Pass Campground, in Warren Mountains, 8 miles west of Cedarville Comment
  CAS-BOT-BC14997  Chrysothamnus viscidiflorus subsp. viscidiflorus Delzie Demaree 1959-8-15 41484 Modoc Canby, Modoc National Forest Comment
  CAS-BOT-BC15000  Chrysothamnus viscidiflorus subsp. viscidiflorus P. Monnet 1913-8-1 941 Modoc Near Alturas. 1402 Comment
  POM40574  Chrysothamnus viscidiflorus subsp. viscidiflorus Mrs. R. M. Austin 1895-07 543 Modoc Goose Lake Valley. Comment
  RSA67198  Chrysothamnus viscidiflorus subsp. viscidiflorus P. A. Munz 1951-9-14 16979 Modoc Jess Valley, S Warner Mts. 1631 Comment
  JEPS117477  Cichorium intybus Lowell Ahart, John Dittes 2010-8-30 17101 Modoc On east side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, 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
  JEPS15743  Cicuta maculata var. angustifolia W. L. Jepson 1918-8-9 7921 Modoc Fort Bidwell 1432 Comment
  CAS-BOT-BC191002  Circaea alpina subsp. pacifica Bruce Bartholomew 1991-8-6 6089 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  SJSU9621  Cirsium arvense W. Savage 1979-7-6 1428 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC14960  Cirsium cymosum Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10619 A Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mountains 1889 Comment
  CAS-BOT-BC14967  Cirsium cymosum Bruce Bartholomew; Barrett Anderson 1988-6-25 4379 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC14974  Cirsium douglasii var. breweri Thomas C. Fuller 1975-9-4 20098 Modoc Lunsford Spring, California Pines. Comment
  UC1192201  Cirsium douglasii var. breweri Herbert L. Mason 1947-8-11 13500 Modoc On Highway 81, n of Modoc-Lassen County Line Comment
  UC55074  Cirsium douglasii var. breweri Milo S. Baker 1899-8-17 Modoc Frank Wiley's Ranch Comment
  HSC31108  Cirsium occidentale var. candidissimum R. F. Thorne, C. W. Tilforth 1969-9-5 39183 Modoc 3.3 mi. N of Likely 1357 Comment
  SEINET3146369  Cirsium occidentale var. candidissimum M. S. Baker sn Modoc Egg Lk. Comment
  UC91794  Cirsium occidentale var. candidissimum Milo S. Baker 1893-7-25 Modoc Lava Beds Comment
  CDA15028  Cirsium ochrocentrum var. ochrocentrum B. Villegas, Len Smith 1998-8-19 s.n. Modoc Modoc Plateau; Alturas at intersection of Pencil & Woodchuck Rds. Comment
  CDA1507  Cirsium ochrocentrum var. ochrocentrum William J. Ferlatte 1971-6-29 1359 Modoc County Rd. 55 (Pencil Rd.), 0.8 mi. N of Hwy 299 (I-395), 2 mi. E of Alturas. Comment
  CDA20228  Cirsium undulatum G. Deal 2003-9-9 PDR 1151623 Modoc Modoc Plateau; Vicinity of Alturas. 0 Comment
  UC1192198  Cirsium vulgare Verne Grant and Irving Schneider 1947-8-27 8320 Modoc sw end Clear Lake Comment
  HSC16275  Clarkia affinis M. T. Milligan 1964-7-1 109 Modoc Ballard's Reservoir Rd. 1 mi. S of Modoc County Rd. 54 1372 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
  LA47493  Clarkia gracilis subsp. gracilis Clare B. Hardham; 1961-6-19 7522 A Modoc Warner Mountains, Willow Creek 1676 Comment
  RSA165627  Clarkia gracilis subsp. gracilis Clare B. Hardham 1961-6-19 7848 Modoc Willow Creek. Comment
  SD133952  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Highway 139 circa 50 airmiles southwest of Klamath Falls, a few miles north of Agriculture Inspection Station, 1 mile south of south junction to Lava Beds National Monument east of Tonesta; 1310 Comment
  RSA134427  Clarkia lassenensis Peter H. Raven, Otto T. Solbrig 1958-6-18 13314 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  HSC16269  Clarkia stellata M. T. Milligan 1965-7-27 362 Modoc Eroded volcanic plateau west of Jess Valley 1829 Comment
  SEINET195685 Image available Claytonia lanceolata Annie M. Alexander, Louise Kellogg 1946-6-15 4773 Modoc Deep Creek 2130 Comment
  UC7861  Claytonia lanceolata Milo S. Baker 1893-6-12 4500 A Modoc Comment
  RSA0059503  Claytonia lanceolata var. sessilifolia C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles NE of Alturas. 1982 Comment
  CAS-BOT-BC197438  Claytonia megarhiza Annie Montague Alexander; L. Kellogg 1946-7-30 5097 Modoc Eagle Peak, Warner Mts. Comment
  CAS-BOT-BC197439  Claytonia megarhiza Elmer Ivan Applegate 1932-8-3 8116 Modoc Rocky crest of Warner Mts. just N of Eagle Peak. Comment
  UC9072  Clematis ligusticifolia Milo S. Baker 1893-6 Modoc Sacramento Canyon near Dunsmuir; Sacramento Canyon Comment
Read comments
Nov 17 2013
  CAS-BOT-BC229851  Collinsia parviflora Gordon H. True 1964-6-3 1441 Modoc Near Cedar Pass, Warner Mountains 1524 Comment
  CAS-BOT-BC229852  Collinsia parviflora Francis Whittier Pennell 1940-6-8 25737 Modoc Eastern slope of Warner Mts., NE of Alturas. 1737 Comment
  UC885561  Collinsia parviflora C. L. Hitchcock 1940-5-27 6687 Modoc 15 mi ne of Alturas 1615 Comment
  HSC80800  Collinsia parviflora G. M. Riegel 1980-7-9 858 Modoc South Warner Mtns. 1670 Comment
  SJSU11591  Collinsia parviflora R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  JEPS17635  Collinsia torreyi var. wrightii Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5399 Modoc 3.3 mi e Patterson Ranger Station (flat at summit of forest rd across s end of Warner Range); Warner Mtns 2225 Comment
  CAS-BOT-BC190737  Collomia grandiflora Bruce Bartholomew 1989-7-15 5005 Modoc Sweagert Flat. 1860 Comment
  JEPS70992  Collomia grandiflora W. L. Jepson 1918-8-6 7842 Modoc Surprise Valley 1447 Comment
  HSC16931  Collomia linearis M. T. Milligan 1966-7-3 527 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  JEPS71051  Collomia linearis Leland S. Smith 1918-7-15 1000 Modoc Mill Creek Corral-Pasture Modoc <National> Forest, Warner Mts. (w slope to flats) Comment
  SJSU11425  Collomia linearis H. L. Buckalew 1961-6-21 Modoc Stough Reservoir 1 mi N of Cedar Pass on Alturas-Cedarville Rd 1950 Comment
  JEPS71055  Collomia linearis Frances D. Payne 1929-7-6 44 Modoc s and e Alturas (dry meadow); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC190708  Collomia tinctoria John Thomas Howell 1934-7-1 12315 Modoc Duncan Horse Camp. 1355 Comment
  RSA293376  Collomia tracyi Reino Alava 1957-7-5 1147 Modoc Cedar Pass, Modoc National Forest 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
  UC87772  Conyza canadensis Mrs. R. M. Austin 1894-8-1 Modoc Goose Lake Valley Comment
  CAS-BOT-BC242184  Corallorhiza maculata Bruce Bartholomew 1989-7-14 4982 Modoc Field redacted by CAS, contact the data manager for more information 1580 Comment
  CAS-BOT-BC229881  Cordylanthus ramosus Belknap C. Goldsmith 1912-8-6 81 Modoc W of Goose Lake. 1493 Comment
  UC70425  Cornus nuttallii Milo S. Baker 1898-8-1 515 Modoc Bowen's Springs Comment
Read comments
Dec 11 2015
  CAS-BOT-BC210272  Cornus sericea Louis C. Wheeler 1935-8-14 3835 Modoc Modoc National Forest. Pine Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC95601  Cornus sericea M. M. Hanna 1956-6-5 978 Modoc Cedar Pass. Comment
  UC412935  Cornus sericea subsp. sericea Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA0108923  Crataegus castlegarensis Lowell Ahart, John Dittes 2008-8-25 15330 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4500 feet south of County Road 87, 2.7 miles (air) northeast of Bieber. 1271 Comment
  CAS-BOT-BC197566  Crataegus douglasii Leland S. Smith 1917-9-10 156 Modoc Fandango Trail. 2133 Comment
  CAS-BOT-BC197568  Crataegus douglasii A. D. Borden 1911-8-9 s.n. Modoc Mall Place, on S side of Shields Creek. Comment
  CAS-BOT-BC197569  Crataegus douglasii C. C. (Mrs.) Bruce 1893-6-1 90 Modoc Davis Creek. Comment
  RSA534595  Crepis bakeri Bruce Bartholomew 1991-6-21 5793 Modoc 1.6kim S of Davis Creek on Hwy 395. 1450 Comment
  CAS-BOT-BC14861  Crepis intermedia Bruce Bartholomew 1991-7-6 5993 Modoc Vicinity of Happy Camp Lookout, Happy Camp Mountain. 1830 Comment
  UC565496  Crepis intermedia F. H. Frost 1925-7-24 Modoc Clear Lake Warner Mts. Comment
  RSA504635  Crepis modocensis subsp. modocensis Bruce Bartholomew, B. Anderson 1988-6-24 4311 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CAS-BOT-BC14878  Crepis modocensis subsp. subacaulis Elmer Ivan Applegate 1932-7-9 7604 Modoc Summit of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC14913  Crepis modocensis subsp. subacaulis E. S. Willits 1940-5-6 228 Modoc Davis Creek. 1371 Comment
  CAS-BOT-BC14912  Crepis occidentalis Mrs. H. C. Cantelow 1940-5-31 3083 Modoc 3 mi. E of Canby. Comment
  SBBG30620  Crepis occidentalis D. Myrick 1968-6-20 1961 Modoc E edge of Alturas 1332 Comment
  SBBG8043  Crepis occidentalis H. and M. Dearing 1939-6-8 3590 Modoc near Goose Lake 1219 Comment
  UCD150425  Crepis occidentalis Harry A. George 1966-6-3 s.n. Modoc Alturas Airport. Comment
  CAS-BOT-BC14891  Crepis occidentalis subsp. conjuncta Annie Montague Alexander; L. Kellogg 1946-7-18 5016 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC14916  Crepis occidentalis subsp. occidentalis George Ledyard Stebbins; J. A. Jenkins 1937-7-15 2367 Modoc Center of Round Valley. 1066 Comment
  HSC5450  Crepis occidentalis subsp. pumila M. T. Milligan 1965-7-1 411 Modoc Plateau W of Jess Valley. 1829 Comment
  CAS-BOT-BC14875  Crocidium multicaule William Albert Weber; Lewis Samuel Rose 1953-5-22 8451 Modoc 7 mi. E of Alturas on road to Cedarville. 1371 Comment
  OBI47975  Crocidium multicaule Rhonda Riggins 1989-4-28 1655 Modoc Pencil rd. 4.1 mi N of hwy 395 E of Alturas. T43N, R12E, sec 24 1402 Comment
  RSA520477  Crocidium multicaule Bruce Bartholomew, B. Anderson 1989-4-28 4649 Modoc 8.8 km N of State hwy 299 on road to Raker and Thomas Reservoir. 1470 Comment
  CHSC100390  Crypsis alopecuroides Lowell Ahart; John Dittes 2008-8-26 15352 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CHSC112975  Crypsis alopecuroides Lowell Ahart; John Dittes 2013-7-24 18932 Modoc Edge of a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CHSC116065  Crypsis alopecuroides Lowell Ahart; John Dittes 2015-7-16 20385 Modoc North edge of Ash Ceek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Ceek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 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
  JEPS114436  Crypsis vaginiflora Lowell Ahart, John Dittes 2008-8-26 15353 Modoc bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  UCD59980  Crypsis vaginiflora A. A. Beetle 1944-8-15 3025 Modoc Southwest of Modoc County, 4 miles north of Lookout. Comment
  CAS-BOT-BC54130  Cryptantha affinis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16506 Modoc 16 mi. W of Canby, along Hwy 139. Comment
  UC526164  Cryptantha ambigua John Thomas Howell 1934-6-30 12297 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC54141  Cryptantha circumscissa Bruce Bartholomew 1991-5-24 5703 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  UC1191831  Cryptantha echinella Herbert L. Mason and Verne Grant 1947-7-9 13316 Modoc Cedar Pass, summit of Warner Range Warner Range 1920 Comment
  SDSU20201  Cryptantha glomerata Ronald B. Kelley 2005-5-26 885 Modoc South-facing slope above and on the north side of CR40 (to Emerson Creek Campground), 1.5 miles southwest of CR1 jct. (0.1 miles west of cattle guard crossing). 1562 Comment
  CAS-BOT-BC54109  Cryptantha intermedia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16382 Modoc 5 mi. E of Hwy 299 on Cedar Pass road. Comment
  SBBG25790  Cryptantha intermedia C. B. Hardham 1961-6-18 7545 a Modoc Cedar Pass Comment
  SJSU9549  Cryptantha intermedia W. Savage 1979-7-3 1283 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA152700  Cryptantha intermedia I. L. Wiggins, Dorothy Wiggins 1961-6-12 16382 Modoc Rocky clay mesa 5 mi. east of California State Highway 299, along Cedar Pass Rd. Comment
  CAS-BOT-BC54115  Cryptantha simulans Alice Eastwood; John Thomas Howell 1940-6-13 8169 Modoc Cedarville. Comment
  UC526166  Cryptantha simulans John Thomas Howell 1934-6-13 12043 Modoc Fandango Pass Warner Mts. 1828 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
  SDSU20110  Cryptantha subretusa Lee Ripma, R. B. Kelley 2012-7-24 389 Modoc Summit trail, about .25 mi up trail at area where volcanic scree hits trail. 2155 Comment
  CAS-BOT-BC54077  Cryptantha torreyana John H. Hatton 1911-6-22 151 Modoc Huffman Ranch. 1615 Comment
  CHSC109508  Cryptantha torreyana var. torreyana L. P. Janeway; B. Castro 2012-7-25 10993 Modoc Warner Mountains. Low broad ridge 1.1 km east of Dismal Swamp. 2250 Comment
  JEPS59989  Cryptogramma cascadensis W. L. Jepson 1918-8-13 7961 Modoc below Eagle Lake proper Eagle Peak; Warner Mts 2316 Comment
  NY16597  Cupressus bakeri G. Schoolcraft 1981-9-1 573 Modoc West of Day 1066.8 Comment
  UC450147  Cuscuta subinclusa Milo S. Baker 1899-8-14 Modoc Little Hot Springs Valley Comment
  CHSC75477  Cusickiella douglasii V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9764 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  SEINET195667  Cusickiella douglasii Annie M. Alexander, Louise Kellogg 1946-8-9 5142 Modoc Squaw Peak; Patterson Lake Trail, Warner Mountains. Comment
  SBBG18746  Cystopteris fragilis C. B. Hardham 1961-6-19 7845 Modoc Willow Crk Comment
  CAS-BOT-BC245217  Damasonium californicum Bruce Bartholomew; Barrett Anderson 1990-7-19 5411 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  POM182452  Damasonium californicum Milo S. Baker s.n. Modoc Egg Lake Comment
  CAS-BOT-BC242491  Danthonia californica Leland S. Smith 1924-5-31 1365 Modoc Modoc National Forest - near Kramer Reservoir Comment
  CAS-BOT-BC242492  Danthonia californica S. Stutz; T. Scofield 1969-7-17 1 Modoc Vicinity of Poison Spring. 1676 Comment
  JEPS68521  Danthonia californica L. S. Smith 1917-7-1 90 Modoc Deep Creek R.S. camp Warner Mts. 2133 Comment
  JEPS68525  Danthonia californica Leland S. Smith 1918-1 878 Modoc Comment
  UCD60482  Danthonia californica Leo Whitney 1934-5-27 2171 Modoc Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  CAS-BOT-BC194375  Danthonia unispicata Melissa A. Berry 1957-6-29 s.n. Modoc Toward Cedar Pass, Warner Mts. 1524 Comment
  CAS-BOT-BC242485  Danthonia unispicata Bruce Bartholomew; Barrett Anderson 1990-7-20 5538 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  RSA504598  Danthonia unispicata Bruce Bartholomew, B. Anderson 1988-6-23 4285 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  RSA0118615  Deinandra lobbii Lowell Ahart, John Dittes 2013-7-25 18958 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  JEPS13486  Delphinium Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5395 Modoc 3.3 mi e Patterson Ranger Sta. (flat at summit of forest road across s end of mts.); Modoc Nat. Forest, Warner Mts. 2225 Comment
  UC912534  Delphinium andersonii F. H. Frost 47 Modoc halfway up Cedar Canyon; Meadow Stow <?> Ranch 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
  CAS-BOT-BC498677  Delphinium depauperatum Ira L. Wiggins; Dorothy B. Wiggins 1961-6-14 16491 Modoc Warner Mts., 2.5 mi from Hwy 395, 2 mi NW of Fenner Flat Comment
  JEPS23328  Delphinium depauperatum Frances D. Payne 1932-5-27 403 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1037209  Delphinium nudicaule Leo Whitney 1934-4-29 1569 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  CAS-BOT-BC248330  Delphinium nuttallianum B. Bartholomew; H. Sun 2002-6-24 8819 Modoc Just SW of Manzanita Mt. and ca. 15 straight line km NW of Aden 2000 Comment
  CHSC85139  Delphinium nuttallianum John Dittes; Josephine Guardino 1991-6-1 374 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
  UC1126006  Delphinium nuttallianum R. C. Wilson 1933-5-21 23 Modoc Rush Creek Modoc National Forest, Canby Quadrangle Comment
  JEPS23622  Delphinium stachydeum L. S. Smith 1918-8-7 1013 Modoc Camp One-T39-16 2438 Comment
  NY492432  Delphinium stachydeum B. M. Bartholomew 1989-6-2 4810 Modoc Northeast side of Upper Lake, 4 km south of road to Fee Reservoir, northeast end of Surprise Valley. 1420 Comment
  CAS-BOT-BC242476  Deschampsia danthonioides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16517 Modoc 13 mi. W of Canby, along Hwy 139. Comment
  CAS-BOT-BC242478  Deschampsia danthonioides Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake Ranch near S end. Comment
  CAS-BOT-BC242479  Deschampsia danthonioides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 167 Modoc Parker Creek at Modoc National Forest boundary. Comment
  UC70674  Deschampsia elongata Mrs. M. H. Manning June 1903 430 Modoc n.e. Modoc Co. Comment
  JEPS53445  Descurainia incana Frances D. Payne 1929-7-7 70 Modoc 2 mi sw Mt. Warren (se Modoc County); Pine Creek Basin 2133 Comment
  CAS-BOT-BC58615  Descurainia pinnata subsp. glabra Bruce Bartholomew; Barrett Anderson 1988-5-13 4182 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mts.. 1450 Comment
  CAS-BOT-BC58618  Descurainia pinnata subsp. glabra Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6445 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC58440  Descurainia sophia W. T. Taylor; Harold Child Bryant 1910-6-11 Modoc S. Fork Pitt River, Alturas. 1402 Comment
  CAS-BOT-BC248357  Dicentra uniflora B. Bartholomew; H. Sun 2002-6-24 8840 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  UC9944  Dicentra uniflora Mrs. R. M. Austin Jul 1898 2154 Modoc Mt. Bidwell Comment
  JEPS26494  Dicentra uniflora Lauramay T. Dempster 1961-6-19 1706 Modoc e of Davis Creek (town) (headwaters of south fork of Davis Creek); Davis Creek 2286 Comment
  UC1133888  Dichelostemma capitatum R. C. Wilson 1933-6-7 42 Modoc Pothole Gulch Modoc National Forest, Canby Quad. 1310 Comment
  JEPS79132  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-BC49469  Dieteria canescens var. shastensis Leland S. Smith 1919-8-8 1141 Modoc Hilton Dairy. 1493 Comment
  UC296074  Dieteria canescens var. shastensis E. B. Babcock and J. L. Collins 1926-7-20 85 Modoc about 10 mi s Alturas Comment
  UC73890  Dieteria canescens var. shastensis Milo S. Baker 1893-6 Modoc Comment
  JEPS102209  Dimeresia howellii J. Greenhouse 2001-6-9 5014 Modoc Warner Mountains, E end of ridge about 1.5 mi due E of Bald Mountain 2215 Comment
  RSA155895  Dimeresia howellii Peter H. Raven 1962-5-29 17879 Modoc Canyon south of Hwy 3.4 miles east of Cedar Pass. Warner Mountains Comment
  CAS-BOT-BC229913  Diplacus cusickioides K. Paulson; Robert Paulson 1991-7-13 241 Modoc Granger Canyon, E side of Warner Warner Mountains. 1463 Comment
  CAS-BOT-BC234451  Diplacus nanus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16413 Modoc Steep mountainside near summit of Cedar Pass. 1935 Comment
  CAS-BOT-BC234495  Diplacus nanus Clare Butterworth Hardham 1961-6-19 7841 Modoc Willow Creek. 1524 Comment
  SEINET14196640  Diplacus pygmaeus D. M. Thompson 1988-1 927 Modoc S end Egg Lake, between Kramer Reservoir and White Horse-Lookout road, along intermittent stream, 2.3 road miles W of RR crossing. 1300 Comment
  CAS-BOT-BC247767  Distichlis spicata Leland S. Smith 1920-6-11 1171 Modoc Near Alturas. 1310 Comment
  SEINET10564495  Distichlis spicata var. stricta Louis C. Wheeler 1935-9-4 Wheeler 3945 Modoc Dry sunny sandy lake bed. McGinty Point, Goose Lake. 1463 Comment
  CAS-BOT-BC218287  Dodecatheon alpinum Bruce Bartholomew 1994-7-2 6818 Modoc Mill Creek NE of Bald Mtn., E side of Warner Mountains. 2040 Comment
  CHSC109453  Dodecatheon alpinum B. Castro; L. P. Janeway 2012-7-24 1944 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.9 air mi east of Lily Lake and 1.1 air mi southwet of Dismal Swamp. 2250 Comment
  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
  RSA59651  Dodecatheon conjugens E. K. Balls 1950-5-12 14639 Modoc above Bucks Creek Ranger Station, Modoc National Forest; east of Goose Lake. 1768 Comment
  UC105786  Dodecatheon conjugens Mrs. R. M. Austin Apr, 1894 43 Modoc Goose Lake Valley Comment
  CHSC77227  Dodecatheon pulchellum G. S. Batholomew 1998-6-4 2725 Modoc Island meadow on Devils Garden area. 1615 Comment
  CAS-BOT-BC95108  Downingia bacigalupii Bruce Bartholomew 1989-7-14 4964 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CAS-BOT-BC95119  Downingia bacigalupii K. Paulson; Robert Paulson 1989-6-21 140 Modoc Vicinity of N Fork of Fitzhugh Creek, W side of the Warner Mts. 1493 Comment
  CHSC117251  Downingia bacigalupii Lowell Ahart; John Dittes 2016-7-14 21165 Modoc West side of 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
  CHSC99117  Downingia bacigalupii Lowell Ahart; John Dittes 2008-6-21 14985 Modoc Bottom of a large vernal pool, about 50 yards northwest of a large culvert, about 25 yards west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  JEPS117480  Downingia bacigalupii Lowell Ahart, John Dittes 2010-8-31 17124 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC1051441  Downingia bacigalupii Herbert L. Mason 1955-8-14 14652 Modoc s end Goose Lake Comment
  CAS-BOT-BC95120  Downingia bacigalupii Leland S. Smith 1919-7-1 1136 Modoc Rocky Prairie-Clark's Cattle Camp. Comment
  JEPS103626  Downingia bacigalupii Lisa Schultheis 1995-6-28 230 -95 Modoc N of Lookout on County Road 94. 0.3 mile S from Cedar Drive Comment
  JEPS108480  Downingia bacigalupii Steve Jessup Jul 1995 Modoc N of Canby. 1.4 mi N of Rt. 139 on Rt. 46 Comment
  POM68163  Downingia bacigalupii Mrs. R. M. Austin 1895-07 119 Modoc Willow Creek (Devils Garden) Comment
  POM312372  Downingia bicornuta H. L. Mason, Verne Grant 1947-7-12 13412 Modoc West side of Pit River Valley S of Alturas. Comment
  JEPS108487  Downingia bicornuta var. bicornuta Lisa Schultheis 1996-6-29 311 -96 Modoc W of Goose Lake. On county Rd. 73 towards Crowder Flat, about 18 miles from Rt. 299. Comment
  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
  UC28979  Downingia cuspidata Milo S. Baker 1893-6-18 Modoc near Egg Lake shore; Egg Lake Comment
  SFV3643  Downingia elegans I. L. Wiggins, D. B. Wiggins 1961-6-15 16515 Modoc Dry vernal swales 13 miles west of Canby, along CA-Highway 139. 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
  CAS-BOT-BC214755  Drymocallis glandulosa Elmer Ivan Applegate 1935-6-10 9478 B Modoc S base of Caldwell Butte, Lava Beds Natonal Monument. Comment
  UC12536  Drymocallis glandulosa var. glandulosa Milo S. Baker 1894-6-13 Modoc w side Egg Lake Comment
  UC71676  Drymocallis glandulosa var. glandulosa Mrs. M. H. Manning 1902-10-11 38 Modoc Warner Mts. Warner Mts. (ne Modoc County) Comment
  UC12533  Drymocallis lactea Milo S. Baker 1893-6-28 Modoc Comment
  UC1037234  Drymocallis lactea var. austiniae Leo Whitney 1934-5-5 3040 Modoc Devil's Garden Modoc National Forest (ne portion of county) 1524 Comment
  JEPS120526  Drymocallis lactea var. lactea L. P. Janeway, B. Castro 2012-7-24 10959 Modoc Warner Mountains. Along Forest Road / county Raod 2 (the road from new Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. Comment
  UC1593358  Dryopteris expansa Alan Smith with Chris Richards, C. Don MacNeill, and Gary Hathaway 1992-6-5 2533 Modoc Fern Cave; Lava Beds Nat'l Monument 1280 Comment
Read comments
May 30 2013
  CAS-BOT-BC14805  Dugaldia hoopesii Leland S. Smith 1917-8-30 153 Modoc Mt Bidwell and Vida. 2286 Comment
  CAS-BOT-BC14808  Eatonella nivea Bruce Bartholomew 1991-5-24 5722 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  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
  UC1100265  Echinochloa crus-galli Verne Grant and Irving Schneider 1947-8-29 8356 Modoc at bridge by Coal Stone Valley (Pit River); , at bridge by Coal Stone Valley Comment
  UCR67444  Echinochloa crus-galli George K. Helmkamp 1990-9-23 I- 25 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CHSC116190  Elatine Lowell Ahart; John Dittes 2015-7-15 20354 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
  JEPS123981  Elatine Lowell Ahart, John Dittes 2015-7-15 20352 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC117369  Elatine californica Lowell Ahart; John Dittes 2016-7-14 21211 A Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS127189  Elatine californica Lowell Ahart, John Dittes 2016-7-14 21211 -A 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
  RSA210826  Elatine chilensis R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39120 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 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
  UC1101548  Elatine triandra Verne Grant and Irving Schneider 1947-7-29 8180 Modoc s Alturas (near Payne Reservoir); Fitzugh Creek Comment
  UC1101534  Elatine triandra Herbert L. Mason 1947-8-8 13472 Modoc nw Alturas (sw margin of Big Sage Reservior) Comment
  RSA210802  Eleocharis rostellata Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39105 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC1026710  Elymus X saundersii L. D. Whitney 1935-7-1 3374 Modoc Hackamore River Comment
  CHSC110905  Elymus caput-medusae Lowell Ahart; John Dittes 2012-7-10 18312 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Northeast of the old homestead. 1267 Comment
  UCD61511  Elymus elymoides J. C. Hayes 1935-6-25 Modoc Alturas. Comment
  UCD61525  Elymus elymoides L. D. Whitney 1935-6-29 Modoc Near Hackamore. Comment
  CAS-BOT-BC247750  Elymus elymoides subsp. elymoides John Thomas Howell 1934-7-1 12324 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247737  Elymus glaucus Bruce Bartholomew; Barrett Anderson 1988-7-23 4599 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  JEPS73992  Elymus glaucus subsp. glaucus Frances D. Payne 1932-7-18 708 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SJSU9603  Elymus spicatus W. Savage 1979-7-5 1377 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD62658  Elymus trachycaulus L. Whitney 1935-6-28 Modoc Bieber. Comment
  CAS-BOT-BC247727  Elymus trachycaulus subsp. trachycaulus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10588 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  JEPS114868  Elymus trachycaulus subsp. trachycaulus Lowell Ahart, John Dittes 2008-8-25 15308 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout 1273 Comment
  CDA31945  Elytrigia pontica subsp. pontica L. Ahart, John Dittes 2008-8-25 15307 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout Comment
  SEINET12087293  Enemion stipitatum M. S. Baker 1896-1 s.n. Modoc no further locality Comment
  HSC1310  Ephedra viridis R. S. White 1965-5-14 66 Modoc 10 mi. E of Canby on Hwy. 299 Comment
  CAS-BOT-BC191034  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1994-7-1 6763 Modoc Turner Creek on Forest Service rd. 42N21. 1400 Comment
  HSC65613  Epilobium brachycarpum Thomas Wood 1979-8-10 249 Modoc About 1 mi. S of Ft. Bidwell along Co. Hwy. 1, where road turns W 1372 Comment
  SD135586  Epilobium brachycarpum B. Bartholomew, B. Anderson 1990-7-21 5589 Modoc Bear Flat, West side of Warner Mountains Ranger Station, East side of Warner Mountains. 1830 Comment
  JEPS89961  Epilobium campestre Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10488 Modoc bed of Snake Lake Warner Mts., Snake Lake 1569 Comment
  HSC16379  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1966-6-30 506 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC497313  Epilobium ciliatum subsp. ciliatum Belknap C. Goldsmith 1912-8-6 83 Modoc West side of Goose Lake 1463 Comment
  CAS-BOT-BC190984  Epilobium ciliatum subsp. glandulosum Elmer Ivan Applegate 1932-8-7 8243 Modoc Lily Lake. 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
  UC748413  Epilobium hallianum Annie M. Alexander and Louise Kellogg 1946-6-30 4873 Modoc Highgrade Warner Mountains (w side of ridge, n end of mts.) 2377 Comment
  CAS-BOT-BC190954  Epilobium minutum Bruce Bartholomew 1991-8-5 6075 Modoc Summit Trail, between Squaw Peak and Pepperdine, W side of Warner Mts. 2320 Comment
  CAS-BOT-BC190948  Epilobium obcordatum Bruce Bartholomew 1995-8-1 7160 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CAS-BOT-BC190949  Epilobium obcordatum Leland S. Smith 1917-7-19 115 Modoc Cedar Peak. 2438 Comment
  CHSC100851  Epilobium obcordatum L. P. Janeway 2008-8-17 9562 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2409 Comment
  UC748354  Epilobium obcordatum Annie M. Alexander and Louise Kellogg 1946-7-23 5050 Modoc Emerson Peak Warner Mountains (below cliff, ne) Comment
  CAS-BOT-BC190872  Epilobium pygmaeum Robert Folger Thorne; et al 1969-9-4 39122 Modoc Margin of N Fork of Pit River, 3.4 mi. N of Alturas from crossing by Hwy 395. 1341 Comment
  CAS-BOT-BC190864  Epilobium torreyi Clare Butterworth Hardham 1974-8-4 20183 Modoc Headwaters of Dismal and 12 Mile creeks. 2133 Comment
  CAS-BOT-BC95470  Eremogone aculeata Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1817 Modoc Cedar Creek Canyon, about 3 mi. W of Cedarville, in the Warner mts. 1676 Comment
  CAS-BOT-BC95489  Eremogone aculeata Bruce Bartholomew; Barrett Anderson 1988-6-24 4318 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC95494  Eremogone aculeata Elmer Ivan Applegate 1932-8-5 8171 Modoc Cedar Pass, Warner Mts. 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-BC95442  Eremogone congesta Bruce Bartholomew 1991-5-25 5760 Modoc N side of the Pit River, ca. 1 km W of Ostrom Point. 1320 Comment
  CAS-BOT-BC95443  Eremogone congesta Bruce Bartholomew 1991-8-5 6045 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2450 Comment
  CAS-BOT-BC95446  Eremogone congesta Alice Eastwood; John Thomas Howell 1940-6-13 8135 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC95464  Eremogone congesta John Thomas Howell 1934-6-30 12288 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC95452  Eremogone congesta John H. Hatton 1911-6-12 41 Modoc Modoc County. 1524 Comment
  RSA0057715  Eremogone congesta F. W. Peirson 1926-6-26 6908 Modoc Modoc National Forest NW of Canby. Comment
  CHSC112140  Eremogone congesta var. crassula Dean Wm. Taylor 2012-6-5 21222 Modoc Vicinity Crank Spring (11 air miles North of Lookout). 1365 Comment
  SJSU9557  Eremogone congesta var. simulans W. Savage 1979-7-3 1296 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SJSU9701  Eremogone congesta var. simulans W. Savage 1979-7-10 1532 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CHSC118083  Eremogone congesta var. subcongesta L. P. Janeway 2016-5-17 12028 Modoc Modoc Plateau. Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  SEINET12875573 Image available Eremogone congesta var. subcongesta John Thomas Howell, Alice Eastwood 1940-1 8110 Modoc Surprise Comment
  POM199564  Ericameria bloomeri Franklin P. Nutting s.n. Modoc Forestdale Comment
  UC69640  Ericameria bloomeri Mrs. M. H. Manning 480 Modoc Joseph Creek Basin, ne Modoc County Joseph Creek Basin Comment
  CAS-BOT-BC14819  Ericameria greenei Roxana Stinchfield Ferris; Laura Lorraine 1941-8-14 10618 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mountains 1889 Comment
  UC711835  Ericameria greenei Roxana S. Ferris and Laura Lorraine 1941-8-14 10618 Modoc summit Fandango Pass (on road between Fort Bidwell and Pine Creek); Modoc National Forest, Warner Mountains 1889 Comment
  CAS-BOT-BC14820  Ericameria greenei Annie Montague Alexander; L. Kellogg 1946-8-9 5132 Modoc Patterson Lake Trail, Warner Mountains Comment
  CAS-BOT-BC287481  Ericameria greenei B. Bartholomew 1990-8-4 5628 Modoc On N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts 2610 Comment
  CAS-BOT-BC287482  Ericameria greenei Louis C. Wheeler 1935-8-14 1565 Modoc Lily Lake, Warner Mts, Modoc National Forest 2133 Comment
  HSC5202  Ericameria nauseosa var. graveolens Mrs. M. H. Manning 1902-10-4 14 Modoc Comment
  UC193100  Ericameria nauseosa var. oreophila Mrs. R. M. Austin 1894-8-1 Modoc n of Alturas Comment
  CAS-BOT-BC298191  Ericameria nauseosa var. oreophila Isabel T. Kelly 1930-1-1 56 Modoc Fort Bidwell Comment
  UCD131549  Ericameria parryi var. nevadensis Louis C. Wheeler 1973-8-26 s.n. Modoc Warner Mountains: 1.5 mile north of Sworinger Reservoir. 1767 Comment
  HSC5510  Erigeron annuus M. T. Milligan 1966-7-29 603 Modoc W slope of Eagle Peak. 2104 Comment
  CAS-BOT-BC42834  Erigeron austiniae R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2186 Modoc unspecified Comment
  CAS-BOT-BC42811  Erigeron bloomeri var. bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi. NE of Alturas. 1615 Comment
  POM260053  Erigeron bloomeri var. bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 miles NE of Alturas. 1616 Comment
  UC1037318  Erigeron bloomeri var. bloomeri Leo Whitney 1934-5-13 1858 Modoc Timbered Mountain Modoc National Forest, Devil's Garden, Timbered Mountain 1524 Comment
  UC31425  Erigeron bloomeri var. bloomeri M. S. Baker and Frank Nutting 1894-6-25 Modoc near Egg Lake Comment
  HSC81118  Erigeron bloomeri var. bloomeri G. M. Riegel 1980-7-3 819 Modoc South Warner Mtns. 2100 Comment
  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
  UCD131287  Erigeron chrysopsidis var. austiniae Beecher Crampton 1960-6-17 5686 A Modoc 5 miles south of Perez, Plant Quarantine Station area. Comment
  CAS-BOT-BC294906  Erigeron chrysopsidis var. austiniae Elmer I. Applegate 1936-5-17 10312 Modoc Lava Beds National Monument. Top of Gillams bluff Comment
  UC31421  Erigeron chrysopsidis var. austiniae Mrs. R. M. Austin 1894-5-1 Modoc Comment
  CAS-BOT-BC42779  Erigeron divergens Franklin P. Nutting s.n. Modoc Little Hot Spring Valley. Comment
  CAS-BOT-BC42780  Erigeron divergens C. C. (Mrs.) Bruce 1894-8-1 60 Modoc Davis Creek. Comment
  CAS-BOT-BC42823  Erigeron divergens Bruce Bartholomew 1989-8-10 5049 Modoc N side of Widow Valley, 10.1 km E of Day on County Road 94. Comment
  HSC5542  Erigeron divergens M. T. Milligan 1966-7-26 582 Modoc N end of Jess Valley 1616 Comment
  CDA19673  Erigeron divergens G. D. Barbe 1991-8-28 4446 Modoc Modoc Plateau; Modoc National Forest. Kelley Spring site, n of Adin. 3.4 mi from Hwy 299 at Rush Creek, on Primary Forest Service Rd 22 and Rd 40N33. 1645 Comment
  UC468814  Erigeron divergens M. F. Gilman 658 Modoc Comment
  CAS-BOT-BC42751  Erigeron eatonii var. plantagineus Bruce Bartholomew 1993-6-14 6677 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  CAS-BOT-BC42787  Erigeron eatonii var. plantagineus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10585 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mountains Comment
  JEPS86331  Erigeron eatonii var. plantagineus Jack and Betty Guggolz 1988-7-1 973 Modoc flat near Old Canon Mill Road; Warner Mountains Comment
  POM301767  Erigeron eatonii var. plantagineus Marion Ownbey, Fred G. Meyer 1940-7-1 2144 Modoc Cedar Peak, Warner Mountains. Comment
  SD131996  Erigeron eatonii var. plantagineus Barbara Ertter 1988-6-18 7628 Modoc Highway 139, 14.5 miles eastnortheast of junction of Highway 299 at Canby; north of Bessler Reservoir. 1465 Comment
  UC705713  Erigeron eatonii var. plantagineus Marion Ownbey and Fred G. Meyer 1940-7-1 2144 Modoc Cedar Peak Warner Mts. (n slope) Comment
  HSC81104  Erigeron eatonii var. plantagineus G. M. Riegel 1980-8-13 1063 Modoc S Warner Mts. 2100 Comment
  POM229172  Erigeron eatonii var. plantagineus L. C. Wheeler 1935-8-4 3783 Modoc Dry Lake, Pine Creek. Warner Mts. 2104 Comment
  CAS-BOT-BC49629  Erigeron filifolius Alice Eastwood; John Thomas Howell 1940-6-14 8243 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  JEPS41609  Erigeron filifolius Mrs. M. H. Manning 1903-8-27 335 Modoc Tamarack Flat Comment
  CAS-BOT-BC49610  Erigeron linearis John Thomas Howell 1934-6-12 12007 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC49644  Erigeron linearis M. M. Hanna 1956-6-7 Modoc Highway 139, between Canby and Tienesta. Comment
  UC1037317  Erigeron linearis Leo Whitney 1934-5-27 1863 Modoc dry rocky flat near Hackamore; Modoc National Forest 1463 Comment
  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
  RSA554794  Erigeron linearis Margaret J. Williams 1988-5-30 88- 26 -3 Modoc Jess Valley, S of roadside rest. 1524 Comment
  UC748379  Erigeron linearis Annie M. Alexander and Louise Kellogg 1946-6-10 4719 Modoc lava bench between Lower and Snake Lake (slope facing Lower Lake) Comment
  UC485111  Erigeron lonchophyllus Mrs. R. M. Austin 1885-8-1 Modoc Goose Lake Valley Comment
  SJSU9615  Erigeron lonchophyllus W. Savage 1979-7-6 1402 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC28534  Erigeron philadelphicus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19379 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  SD61002  Erigeron philadelphicus Darley F. Howe 1964-8-1 Modoc Harvey Creek, Modoc National Forest. Warner Mountains. 1830 Comment
  CHSC66994  Erigeron pumilus var. intermedius James D. Jokerst 1987-5-12 2855 A Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  UC1561068  Erigeron tener Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10444 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains, Emerson Creek drainage 2560 Comment
  NY242778  Eriogonum caespitosum B. M. Bartholomew 1991-8-5 6029 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CAS-BOT-BC197824  Eriogonum elatum Leland S. Smith 1924-6-29 1444 Modoc Happy Camp Ranger Station. Comment
  UCR55661  Eriogonum heracleoides G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mtns., Warner Mountains, Bidwell Mountain, c. 3 mi. south of Oregon border in extreme NE corner of state Comment
  CAS-BOT-BC197817  Eriogonum heracleoides var. heracleoides Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1816 Modoc Cedar Creek Canyon, about 3 miles west of Cedarville, Warner Mts. 1737 Comment
  NY280768  Eriogonum heracleoides var. heracleoides B. M. Bartholomew 1990-7-20 5483 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC197801  Eriogonum microthecum var. microthecum John Thomas Howell 1934-6-13 12098 Modoc Patterson Mill Road, Warner Mts. 1676 Comment
  CAS-BOT-BC211441  Eriogonum nudum var. pubiflorum Noel Herman Holmgren; J. L. Reveal 1964-8-21 1717 Modoc About 5 miles SW of Eagleville on the Eagleville-Likely Road. Modoc National Forest, Warner Range Comment
  CHSC114006  Eriogonum nudum var. pubiflorum L. P. Janeway 2014-7-8 11463 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  CHSC117363  Eriogonum nudum var. pubiflorum Lowell Ahart; John Dittes 2016-7-14 21188 Modoc About 30 yards west of the Fishing Access Sign, south side of a poor dirt road, About 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.7 miles (air) southwest of Adin, Big Valley. 1276 Comment
  HSC81001  Eriogonum nudum var. pubiflorum G. M. Riegel 1980-9-3 1135 Modoc S Warner Mtns. 1739 Comment
  UC1369845  Eriogonum nudum var. pubiflorum Robert F. Thorne and C. W. Tilforth 1969-9-4 39052 Modoc 11.8 mi n along Hwy. 395 Alturas (slope above N. Fork of Pit River); N. Fork of Pit River 1371 Comment
  UCD77673  Eriogonum nudum var. pubiflorum Robert E. Preston 2000-7-17 1395 Modoc Ca. 11 mi nw of Canby, along Hwy 139, T42N R8E Section 3 1490 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
  RSA152747  Eriogonum nudum var. pubiflorum I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16440 Modoc 4 miles E of summit of Cedar Pass, along Cedar Pass road. Comment
  SEINET5330949  Eriogonum nudum var. pubiflorum M. S. Baker Unknown s.n. Modoc No data. Comment
  UC727132  Eriogonum nudum var. pubiflorum A. A. Heller 1941-6-26 16222 Modoc 4 mi w along U.S. Highway #299 Canby Comment
  HSC80861  Eriogonum prociduum var. prociduum G. M. Riegel 1980-8-9 1030 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC211352  Eriogonum spergulinum var. reddingianum Bruce Bartholomew 1991-8-5 6026 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  HSC17341  Eriogonum spergulinum var. reddingianum M. T. Milligan 1966-8-3 624 Modoc W slope of Eagle Peak 2439 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
  CAS-BOT-BC211382  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1983-7-29 83- 116 -6 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mts. 2087 Comment
  CAS-BOT-BC211390  Eriogonum sphaerocephalum var. halimioides John Thomas Howell 1934-7-1 12300 Modoc Duncan Horse Camp. 1355 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
  CAS-BOT-BC262721  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1938-6-24 15224 Modoc On slopes between Alturas and Canby 1341 Comment
  JEPS19753  Eriogonum sphaerocephalum var. halimioides Rimo Bacigalupi with S. Galen Smith 1957-6-28 5987 Modoc about 2 mi e S.P. railroad crossing near Canby 1310 Comment
  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
  NY283119  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1941-6-24 16193 Modoc Just south of Indian Springs along U.S. Highway 299 Comment
  UC849735  Eriogonum sphaerocephalum var. halimioides Lewis S. Rose 1940-6-11 40510 Modoc 7 mi n Adin (Indian Spring); Indian Spring 1524 Comment
  SEINET5331610  Eriogonum sphaerocephalum var. halimioides M. J. Williams 1983-7-29 83- 116 -6 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. 2088 Comment
  NY283176  Eriogonum strictum subsp. proliferum C. L. Hitchcock 1940-5-27 6656 Modoc 9 miles northeast of Alturas 1402.1 Comment
  CAS-BOT-BC197785  Eriogonum umbellatum var. nevadense J. L. Gentry; E. Jensen 1968-7-4 2111 Modoc 15.2 mi. NW of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 139. 1447 Comment
  CAS-BOT-BC197791  Eriogonum umbellatum var. nevadense Roxana Stinchfield Ferris; R. Duthie 1919-6-14 87 Modoc Above Parker Creek, near Modoc Nat. Forest Boundary. 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
  RSA165614  Eriogonum umbellatum var. nevadense Clare B. Hardham 1961-6-18 7540 Modoc Gravelly slopes. 3.2 mi. S. of Cedar Pass. 1829 Comment
  RSA293360  Eriogonum umbellatum var. nevadense Reino Alava 1957-7-5 1156 Modoc Cedar Pass, Modoc National Forest, just east of the camp ground Comment
  SEINET5331846  Eriogonum umbellatum var. nevadense J. Gentry Jr. 1968-7-4 2111 Modoc 15.2 miles northwest of Hwy. jct. Calif.139 and Calif.299, on Calif. 139. 1448 Comment
  CAS-BOT-BC197610  Eriogonum umbellatum var. polyanthum Margaret J. Williams 1988-5-30 88- 22 -2 Modoc Crowder Flat road NW of Alturas. 1524 Comment
  CAS-BOT-BC197776  Eriogonum umbellatum var. polyanthum Alice Eastwood; John Thomas Howell 1940-6-13 8115 Modoc Surprise. Comment
  CAS-BOT-BC197778  Eriogonum umbellatum var. polyanthum Elmer Ivan Applegate 1932-8-3 8130 Modoc Summit of Eagle Peak, Warner Mts. 2804 Comment
  CAS-BOT-BC197779  Eriogonum umbellatum var. polyanthum Bruce Bartholomew 1989-7-15 5017 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC197780  Eriogonum umbellatum var. polyanthum Barrett Anderson 1986-7-9 3158 Modoc Warner Mts, Hwy 299 just W of Cedar Pass. 1920 Comment
  POM105169  Eriogonum umbellatum var. polyanthum R. M. Austin 1895-07 434 Modoc Goose Lake Valley. Comment
  RSA647843  Eriogonum umbellatum var. polyanthum W. P. Armstrong 1964-7-12 s.n. Modoc Rocky, sun, dry, ass. Ribes, Castilleja. Comment
  UC634521  Eriogonum vimineum F. H. Frost 1925-7-11 17 Modoc Cedar Canyon 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  LA84252  Eriogonum vimineum O. H. Kappler; 1949-7-26 sn Modoc S of Alturas, along highway 395 1402 Comment
  POM145868  Eriogonum vimineum Francis Drouet, Donald Richards 1941-9-10 4142 Modoc in open woods on the hills 2 mi. northwest of Alturas, 1341 Comment
  CAS-BOT-BC49555  Eriophyllum lanatum Elmer Ivan Applegate 1929-6-24 5892 Modoc Between Alturas and Davis Creek. Comment
  CAS-BOT-BC49558  Eriophyllum lanatum Robert Patterson; Mona Bourell 1993-8-15 5247 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC49599  Eriophyllum lanatum Gordon H. True 1964-6-3 1461 Modoc North Fork Pit River between Alturas and Goose Lake. 1463 Comment
  SEINET3141733  Eriophyllum lanatum var. achilleoides L. S. Rose 1940-6-13 40544 Modoc Surprise, NE of Alturas 1372 Comment
  UC201711  Eriophyllum lanatum var. achilleoides W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  UC711856  Eriophyllum lanatum var. achilleoides Roxana S. Ferris and Laura Lorraine 1941-8-13 10512 Modoc e Creek drainage Patterson Ranger Station; Modoc National Forest, Warner Mountains 2164 Comment
  HSC5602  Eriophyllum lanatum var. achilleoides M. T. Milligan 1965-6-27 353 Modoc E slope of eroded volcanic plateau. 1677 Comment
  RSA14501  Eriophyllum lanatum var. achilleoides Elmer I. Applegate 1929-6-24 5892 Modoc Between Alturas and Davis Creek Comment
  UC31683  Eriophyllum lanatum var. achilleoides Milo S. Baker 1893-6-27 Modoc Comment
  HSC5597  Eriophyllum lanatum var. integrifolium M. T. Milligan 1966-7-3 530 Modoc E of Jess Valley 1890 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
  CAS-BOT-BC180081  Erodium cicutarium Elmer Ivan Applegate 1897-5-31 882 Modoc Bloody Point, Tule Lake. Comment
  SEINET8553351  Erodium cicutarium M. J. Williams, A. Tiehm, J. Nachlinger 1988-6-2 88- 27 -2 Modoc Highway 395 0.4 miles East of Susanville road after turn to Alturas Comment
  CHSC106338  Eryngium alismifolium Lowell Ahart; John Dittes 2010-8-30 17063 Modoc About 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS3477 Image available Eryngium alismifolium M. S. Baker and Frank Nutting 1894-8-25 Modoc Egg Lake; ; Egg Lake, Modoc Co. Comment
  SD230150  Eryngium alismifolium Louis C. Wheeler 1935-8-21 3900 Modoc Devil's Garden: Pine Spring. 1524 Comment
  UCD169689  Eryngium alismifolium Louis C. Wheeler 1935-8-21 3900 Modoc Devil's Garden: Pine Spring. 1524 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
  UC1487337  Eryngium mathiasiae Yusuf Sheikh and Lincoln Constance 1973-6-27 552 Modoc s. Lower Roberts Reservoir (at n.w. edge of Lookout, on Old Camp 2 Rd. toward White Horse) Comment
  CAS-BOT-BC58333  Erysimum capitatum var. capitatum Elmer Ivan Applegate 1932-8-1 8045 Modoc W slope of Warner Mts. S of Warren Peak. Comment
  CDA3715  Erysimum cheiranthoides T. C. Fuller 1958-8-12 2071 Modoc Corporation Ranch, Likely. 0 Comment
  CDA3711  Erysimum repandum T. C. Fuller 1965-6-2 13600 Modoc West side of Dorris Reservoir, 2 miles east of Alturas. 0 Comment
  CHSC114309  Erysimum repandum Carri Pirosko 2008-6-10 Modoc Alturas, Schluter Ranch, Pencil Rd. X HWY 395. Comment
  SEINET13754570 Image available Erythranthe breviflora Arthur Cronquist, Arthur H. Holmgren 1959-1 8521 Modoc At Cedarville Pass; Warner Mtns., between Cedarville and Alturas 1951 Comment
  CAS-BOT-BC229904  Erythranthe breweri Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10551 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC229916  Erythranthe guttata Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10539 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC229918  Erythranthe guttata Elmer Ivan Applegate 1932-7-31 7970 Modoc Mill Creek Meadows. Comment
  CAS-BOT-BC229919  Erythranthe guttata R. M. Austin 1894-8-1 s.n. Modoc Lake City Pass. Comment
  CAS-BOT-BC229921  Erythranthe guttata Roxana Stinchfield Ferris; R. Duthie 1919-6-13 47 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  SEINET13768600 Image available Erythranthe guttata Francis W. Pennell 1940-1 25749 Modoc Warner Mountains, NE of Alturas, west of Cedar Pass. 1798 Comment
  CHSC14174  Erythranthe microphylla K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5828 Modoc W side of Egg Lake. 1295 Comment
  CAS-BOT-BC234481  Erythranthe moniliformis Barrett Anderson 1986-7-9 3178 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  CAS-BOT-BC190755  Eschscholzia californica Elmer Ivan Applegate 1936-7-5 10530 Modoc Hospital Rock, Lave Beds National Monument. Comment
  UC196655  Euphorbia esula F. C. Chace June 1916 Modoc Adin Comment
  CAS-BOT-BC95710  Euphorbia serpillifolia John Thomas Howell 1934-7-2 12352 Modoc Morvitz Creek, 1 mi. S of Clear Lake. Comment
  UCD142822  Euphorbia serpillifolia Herbert L. Mason; Verne Grant 1947-7-10 13325 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  UCD142785  Euphorbia serpillifolia J. M. Tucker 1950-7-25 1966 Modoc 13.4 miles southeast of Tule Lake, on highway 139. Comment
  UCD142792  Euphorbia serpillifolia Louis C. Wheeler 1973-8-24 s.n. Modoc Warner Mountains: Sworinger Reservoir. 1798 Comment
  UCD142358  Euphorbia virgata R. N. Raynor 1939-6-2 s.n. Modoc Chace Valley near Adin. Comment
  CHSC85429  Eurybia integrifolia John Dittes; Josephine Guardino 1991-8-23 453 Modoc Modoc Plateau; Warner Mountains; southwest edge of Dismal Swamp; ca. 7.4 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.7 air-miles south of Oregon border, ca. 3.3 air-mile northwest of summit of Bidwell Mtn. Meadow. 2209 Comment
  CAS-BOT-BC247703  Festuca idahoensis John Thomas Howell 1934-7-1 12335 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247706  Festuca idahoensis Leland S. Smith 1917-7-10 105 Modoc Granger Mill. 2133 Comment
  CAS-BOT-BC247708  Festuca idahoensis John Thomas Howell 1934-6-11 11929 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC247709  Festuca idahoensis John Thomas Howell 1934-7-1 12336 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247714  Festuca idahoensis Alan Ackerman Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin. 1828 Comment
  UC60787  Festuca idahoensis M. S. Baker and Frank Nutting 1894-1 Modoc Comment
  UC1037180  Festuca pratensis Leo Whitney 1935-8-18 3614 Modoc Comment
  UC1037262  Festuca pratensis Leo Whitney 1935-8-24 101 Modoc Comment
  POM182007  Floerkea proserpinacoides F. W. Peirson 1926-6-25 6888 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  RSA600331  Floerkea proserpinacoides Louis C. Wheeler 1935-8-1 3733 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC214649  Fragaria virginiana Bruce Bartholomew 1994-5-29 6743 Modoc Slopes adjacent to Roney Flat. 1460 Comment
  RSA504830  Frasera albicaulis var. nitida Bruce Bartholomew, B. Anderson 1988-7-21 4412 Modoc Whitehorse Mountains, 11 km north of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC242110  Fritillaria atropurpurea K. Paulson; Robert Paulson 1988-6-11 32 Modoc North of Stough Reservoir, Warner Mts.. 1706 Comment
  HSC26679  Fritillaria atropurpurea D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19309 Modoc Soup Springs Campground Comment
  RSA59801  Fritillaria atropurpurea E. K. Balls 1950-5-17 14735 Modoc Howards Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  CAS-BOT-BC242094  Fritillaria pudica K. Paulson; Robert Paulson 1989-4-16 97 Modoc Crowder Flat Road, Devil's Garden. Comment
  CHSC39643  Fritillaria pudica Jeanie M. Thayer 1984-4-14 Modoc Ca. 50 ft. n of Hwy 299, ca. 5 mi ene of jct. Of hwys 395 and 299. Ca. 11 mi ene of Alturas. 1463 Comment
  UC1036047  Fritillaria pudica Annie M. Alexander and Louise Kellogg 1946-6-8 4699 Modoc road from Eagleville to Patterson Mill 2286 Comment
  UC190697  Fritillaria pudica M. F. Gilman 582 Modoc Modoc County 1676 Comment
  CAS-BOT-BC49569  Gaillardia pulchella Bruce Bartholomew 1991-10-13 6126 Modoc Ca. 1.5 km SE of Adin on County Road 88. 1240 Comment
  CAS-BOT-BC225047  Galium aparine Bruce Bartholomew 1990-6-17 5303 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC225051  Galium aparine Bruce Bartholomew 1991-6-22 5855 Modoc NE side of Surprise Valley on road to Fee Reservoir, 6.4 km E of Fort Bidwell. 1490 Comment
  CAS-BOT-BC225052  Galium aparine Bruce Bartholomew 1991-6-22 5835 Modoc E slope of S end of Warner Mountains, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  UC416628  Galium aparine W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Creek Warner Mountains 1676 Comment
  JEPS13238  Galium bifolium Rimo Bacigalupi 1955-7-19 5379 Modoc Forest rd. to Mill Cr. Ranger Station (just above and e of Soup Spr. Mdw., southern mts.); Warner Mts., Modoc Nat'l For. 2118 Comment
  CAS-BOT-BC497345  Galium glabrescens subsp. modocense G. Schoolcraft 1999-6-9 2830 Modoc Lower slopes of Warner Mtns., 3.5 mi N of Eagleville 1584 Comment
  UC416652  Galium mexicanum var. asperulum W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains 2225 Comment
  JEPS27198  Galium multiflorum Ehrendorfer and Stebbins 1959-6-27 5908 Modoc s Eagleville (cliff above Lower Alkali Lake); Warner Mts., cliff above Lower Alkali Lake 1524 Comment
  RSA612595  Galium trifidum Louis C. Wheeler 1935-8-1 3740 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  CAS-BOT-BC225082  Galium trifidum subsp. columbianum Louis Cutter Wheeler 1935-8-1 3740 Modoc Dismal Swamp. 2225 Comment
  NY999473  Gayophytum decipiens J. T. Howell 1934-6-14 12125 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  POM204135  Gayophytum decipiens J. T. Howell 1934-6-14 12125 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  RSA31283A  Gayophytum diffusum subsp. parviflorum Frances D. Payne 1934-8-29 s.n. Modoc Parker Creek 1585 Comment
  SD135584  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1991-7-6 5966 Modoc 2.4 km west of County Road 91 Forest Service Road 42n03 1340 Comment
  SD7789  Gayophytum diffusum subsp. parviflorum Mrs. R. M. Austin Jul 1874 Modoc Goose Lake Valley Comment
  CAS-BOT-BC190834  Gayophytum humile Alice Eastwood; John Thomas Howell 1940-6-13 8192 Modoc W side of Cedar Pass. Comment
  HSC80896  Gayophytum humile G. M. Riegel 1979-7-5 503 Modoc S Warner Mtns. 2100 Comment
  RSA165628  Gayophytum humile Clare B. Hardham 1961-6-17 7516 Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  RSA293377  Gayophytum humile Reino Alava 1957-7-5 1149 Modoc Cedar Pass, Modoc National Forest. Warner Mountains Comment
  RSA31283B  Gayophytum racemosum Frances D. Payne 1934-8-29 s.n. Modoc Parker Creek 1585 Comment
  UC1191624  Gayophytum racemosum Herbert L. Mason and Verne Grant 1947-7-9 13310 a Modoc Cedar Pass Warner Range (summit of Range) 1920 Comment
  CAS-BOT-BC190824  Gayophytum ramosissimum Bruce Bartholomew; Barrett Anderson 1989-6-3 4873 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  UC20275  Gayophytum ramosissimum Mrs. R. M. Austin June, 1894 Modoc Willow Creek Valley Comment
  CAS-BOT-BC190817  Gayophytum ramosissimum Elmer Ivan Applegate 1937-5-12 11084 Modoc Lyon road near north entrance, Lava Beds National Monument. Comment
  CAS-BOT-BC180114  Gentiana affinis var. ovata Bruce Bartholomew 1989-8-12 5106 Modoc ca. 3.2 airline miles W of Patterson Ranger Station on road to Jess Valley. 2060 Comment
  CHSC109459  Geranium viscosissimum B. Castro; L. P. Janeway 2012-7-24 1953 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; ca 0.6 air mi S of Dismal Swamp, off upper edge of open lodgepole pine forest. 7740 Comment
  SJSU9691  Geranium viscosissimum W. Savage 1979-7-24 1558 Modoc Long Meadow Unit, Devils Garden Ranger District, Modoc National Forest 1615 Comment
  CAS-BOT-BC214654  Geum macrophyllum Elmer Ivan Applegate 1932-8-2 8094 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  HSC80698  Geum macrophyllum G. M. Riegel 1980-8-5 984 Modoc S Warner Mtns. 1829 Comment
  POM91889  Geum macrophyllum R. M. Austin 1895-07 526 Modoc Goose Lake Valley. Comment
  UC860134  Geum triflorum Lewis S. Rose 1940-6-14 40576 Modoc 8 mi nw of Canby 1524 Comment
  UCD113299  Geum triflorum J. T Howell; A. A. Jordan 1934-9-11 s.n. Modoc 5 mi. S. of Hackamore Sta. Comment
  CAS-BOT-BC214684  Geum triflorum M. M. Hanna 1956-6-7 1015 Modoc Hiway 139 between Canby & Tienesla Comment
  SEINET196555  Gilia capillaris Verne Grant, Alva Grant 1947-7-13 8013 Modoc At west end of Fandango Valley road from Goose Lake to Fort Bidwell Comment
  NY964517  Gilia leptomeria var. micromeria B. M. Bartholomew 1995-5-13 6902 Modoc East of Eagleville near Eagleville Airport, south end of Surprize Valley 1390 Comment
  NY964019  Gilia salticola B. M. Bartholomew 1991-5-24 5710 Modoc Surprise Valley, east of Eagleville at the Nevada State boundary 1520 Comment
  CAS-BOT-BC218304  Glaux maritima Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16448 Modoc Lane to Phipp's Ranch, ca. 14 mi. N of Cedarville. Comment
  CAS-BOT-BC49534  Gnaphalium palustre Herbert Louis Mason 1947-8-13 13521 Modoc NE side of F Reservoir, N of Canby. Comment
  UC748341  Gnaphalium palustre Annie M. Alexander and Louise Kellogg 1946-7-6 4913 Modoc 3.5 mi east Eagleville Comment
  HSC81139  Goodyera oblongifolia G. M. Riegel 1978-9-6 190 Modoc South Warner Mountains 1670 Comment
  CHSC117264  Gratiola ebracteata Lowell Ahart; John Dittes 2016-7-14 21211 C Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS4211  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-18 8038 Modoc Eastside Canal s Alturas (5 mi n of Bayley's bridge); Eastside Canal Comment
  UC1191882  Gratiola neglecta Malcolm A. Nobs and S. Galen Smith 1949-7-22 1067 Modoc dry canals at South Fork of Pit River Likely; dry canals at South Fork of Pit River Comment
  CHSC105978  Grindelia nana Lowell Ahart; John Dittes 2010-8-30 17069 Modoc In a large vernal pool, about 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  POM41632  Grindelia nana Mrs. R. M. Austin 1895-07 572 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC54089  Hackelia cusickii L. Mott 1976-5-29 14 LM76 Modoc Devils Garden, N of Alturas. 1402 Comment
  JEPS96533  Hackelia cusickii Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12527 Modoc 0.5 mile E of Duncan Reservoir, on hillside on western rim of Black Canyon 1524 Comment
  UC1037253  Hackelia cusickii Leo Whitney 1934-5-13 1636 Modoc Devil's Garden near Timbered Mountain (ne portion of county); Modoc National Forest 1524 Comment
  CAS-BOT-BC54052  Hackelia micrantha K. Paulson; Robert Paulson 1991-7-7 234 Modoc Deep Canyon Road, E side of Warner Mountains. 2057 Comment
  CAS-BOT-BC54053  Hackelia micrantha Francis Dorris Payne 1929-7-7 47 Modoc Pine Creek Basin, Warner Mountains 2316 Comment
  CAS-BOT-BC54056  Hackelia micrantha Francis Dorris Payne 1931-6-21 225 Modoc Ridge W of Deep Creek, Warner Mountains 1981 Comment
  UC449872  Hackelia micrantha Mrs. M. H. Manning 1907-1 Modoc e side of Mount Bidwell (12 Mile Creek) Comment
  RSA644031  Hackelia micrantha Elaine Joyal, D. Mehlman 1988-6-28 1291 Modoc N. Warner Mts., ridge road. Comment
  SEINET10842094  Haplopappus bloomeri var. angustatus Louis C. Wheeler 1935-9-9 Wheeler 3960 Modoc Dry sunny rocky site with Artemisia tridentata. 1 mi. NE south Mt., Devil's Garden. S8, T46N, R12E. 1524 Comment
  UC32258  Helianthella californica subsp. nevadensis Milo S. Baker 1893-6-20 Modoc Comment
  JEPS114490  Helianthus annuus Lowell Ahart, John Dittes 2008-8-25 15313 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  RSA767675  Helianthus annuus L. Ahart, John Dittes 2010-8-30 17072 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
  JEPS5938  Helianthus cusickii Frances D. Payne 1932-6-27 617 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  POM261369  Helianthus cusickii H. C. Cantelow 1940-5-31 s.n. Modoc 3 miles east of Canby Comment
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Jul 31 2007
  UCSB16761  Helianthus cusickii Dearing, Hugh; Dearing, Margaret 1939-6-7 Modoc E. of Canby Comment
  UC1037247  Heliotropium curassavicum Leo Whitney 1935-7-24 3578 Modoc ca. 15 mi. n.w. Canby (Hackamore, R.R. tracks); Modoc Nat'l Forest, Hackamore 1463 Comment
  UC32401  Heliotropium curassavicum Mrs. R. M. Austin Aug., 1894 Modoc Pitt River Comment
  JEPS1686  Hesperochiron californicus L. S. Smith 1920-6-2 1159 Modoc near Mt. Bidwell (Dismal Swamp); Warner Mts., Bidwell Range, Dismal Swamp Comment
  CDA40308  Hesperochiron californicus M. Charrier 1969-5-25 s.n. Modoc West Valley Reservoir, southeast of Likely. 0 Comment
  UC1069089  Hesperochiron pumilus R. C. Wilson 1933-5-23 25 Modoc Pothole Gulch, Modoc Nat'l Forest Modoc Nat'l Forest, Canby Quad., Pothole Gulch Comment
  JEPS32306  Hesperolinon micranthum Frances D. Payne 1932-7-8 670 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC225790  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-29 5089 Modoc Head of Eagle Creek, Warner Mts. Comment
  CAS-BOT-BC225795  Heuchera cylindrica Louis Cutter Wheeler 1935-8-7 3804 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC225800  Heuchera cylindrica Bruce Bartholomew 1995-8-1 7161 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  RSA0062922  Heuchera cylindrica var. alpina R. Weatherby 1955-7-8 1629 Modoc 6 miles N of Ft. Bidwell. No. Warner Mtns. 1646 Comment
  JEPS49732  Heuchera cylindrica var. glabella W. L. Jepson 1918-8-7 7880 Modoc Mt. Bidwell 2507 Comment
  JEPS49738  Heuchera cylindrica var. glabella Milo S. Baker 1893-8-8 Modoc near Medicine Lake 2743 Comment
  CAS-BOT-BC49511  Hieracium albiflorum Bruce Bartholomew; Barrett Anderson 1988-7-21 4413 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  HSC81133  Hieracium horridum G. M. Riegel 1979-7-21 572 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC49484  Hieracium scouleri Elmer Ivan Applegate 1932-7-31 7957 Modoc Mill Creek Meadow, Warner Mountains Comment
  CAS-BOT-BC49523  Hieracium scouleri Barrett Anderson 1986-7-9 3140 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  JEPS5976  Hieracium scouleri Frances D. Payne 1932-7-22 735 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS5974  Hieracium scouleri Frances D. Payne 1929-7-20 104 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC180051  Hippuris vulgaris John Thomas Howell 1934-7-2 12353 Modoc Nigger Ben Spring, SE end of Clear Lake. 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
  CDA14600  Holodiscus microphyllus var. glabrescens G. D. Barbe 1991-8-27 4440 Modoc Warner Mountains; Windswept ridge east of Bald Mountain, Modoc National Forest. 2316 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
  HSC10150  Hordeum brachyantherum M. T. Milligan 1966-7-3 540 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  HSC10152  Hordeum brachyantherum M. T. Milligan 1965-6-26 341 Modoc 1677 Comment
  HSC79959  Hordeum brachyantherum Tim Messick 1980-7-24 1247 Modoc Banks of Rough Creek, 0.1 mi. upstream from Geiger Grade 2790 Comment
  CHSC99778  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
  RSA210781  Hordeum jubatum J. Henrickson, C. W. Tilforth 1969-9-4 39064 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  UC1024918  Hordeum jubatum Leo Whitney 1935-6-29 3361 b Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc National Forest, Lake Joaquina, Hackamore 1463 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
  POM34909  Horkelia fusca subsp. capitata R. M. Austin 1895-07 s.n. Modoc Willow Creek (Devils Garden) Comment
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Jul 11 2010
  CAS-BOT-BC214708  Horkelia fusca var. pseudocapitata Elmer Ivan Applegate 1932-7-31 7688 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  CAS-BOT-BC181961  Hosackia crassifolia Bruce Bartholomew 1989-7-14 4936 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC181962  Hosackia crassifolia Annie Montague Alexander; L. Kellogg 1946-7-7 4938 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  JEPS4029  Hydrophyllum capitatum var. alpinum Frances D. Payne 1931-6-25 267 Modoc 2 mi sw Warren Peak; Warner Mountains, Pine Creek Basin 2316 Comment
  UC748438  Hydrophyllum capitatum var. alpinum Annie M. Alexander and Louise Kellogg 1946-6-8 4704 Modoc road from Eagleville to Patterson Mill (near 3 mi Ranger Station sign) 2225 Comment
  JEPS4030  Hydrophyllum capitatum var. alpinum Frances D. Payne 1932-6-12 542 Modoc s and e of Alturas (Dry Creek canyon, tributary of Parker Creek); Warner Mountains, Parker Creek 1645 Comment
  POM73944  Hydrophyllum capitatum var. alpinum Mrs. R. M. Austin 544 Modoc Goose Lake Valley. Comment
  RSA152598  Hydrophyllum capitatum var. alpinum I. L. Wiggins, Dorothy Wiggins 1961-6-12 16407 Modoc Cedar Creek Campground, 3 miles east of Thoms Creek Bridge. Comment
  UC24084  Hydrophyllum capitatum var. alpinum Milo S. Baker 1893-1 Modoc Comment
  UC195008  Hymenoxys hoopesii W. P. Taylor and H. C. Bryant 1910-7-24 Modoc Squaw Pk. Warner Mountains, Squaw Pk. 2590 Comment
  CAS-BOT-BC179901  Hypericum anagalloides Elmer Ivan Applegate 1932-8-2 8068 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CAS-BOT-BC179902  Hypericum anagalloides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 41 Modoc Bank of Parker Creek 1 mi. above Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC58402  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1989-4-30 4709 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  RSA59646  Idahoa scapigera E. K. Balls 1950-5-12 14647 Modoc N of Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  CAS-BOT-BC179104  Iliamna bakeri Dean William Taylor 1988-8-11 10044 Modoc Damon's Butte (ca. 2 mi W of Hwy 139) in summit crater of butte. 1466 Comment
  UC73647  Ipomopsis aggregata Milo S. Baker 1893-1 Modoc Forestdale Comment
  JEPS4127  Ipomopsis aggregata Frances D. Payne 1929-6-28 32 Modoc se Alturas (Parker Creek); Warner Mtns 1584 Comment
  CAS-BOT-BC190648  Ipomopsis aggregata subsp. aggregata K. Paulson; Robert Paulson 1988-6-19 47 Modoc N of Happy Camp Guard Station. 1615 Comment
  CAS-BOT-BC190654  Ipomopsis aggregata subsp. aggregata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 185 Modoc Above Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC190649  Ipomopsis aggregata subsp. aggregata E. H. Steffen 1917-7-1 89 Modoc Granger Ranger Station. 1676 Comment
  HSC80888  Ipomopsis aggregata subsp. attenuata G. M. Riegel 1980-7-30 978 Modoc S Warner Mtns. 1829 Comment
  RSA37423  Ipomopsis congesta subsp. palmifrons Marion Ownbey, Fred G. Meyer 1940-7-1 2133 Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC245103  Iris missouriensis Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Fandango Pass. Comment
  UCD138700  Iris missouriensis Malcolm A. Nobs; S. Galen Smith 1949-5-29 770 Modoc one mile east of Lake City. Comment
  JEPS89838  Isoetes bolanderi Dean W. Taylor 1992-5-8 12571 Modoc ca. 1.5 air mi. s. of Oregon State Line Pine Creek Canyon; Warner Mts., Pine Creek Canyon 1554 Comment
  JEPS127257  Isoetes nuttallii Lowell Ahart, John Dittes 2016-6-6 20972 Modoc About one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 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
  UC748065  Ivesia gordonii Annie M. Alexander and Louise Kellogg 1946-8-9 5140 Modoc Patterson Lake Trail; Warner Mountains Comment
  CHSC117266  Juncus articulatus subsp. articulatus Lowell Ahart; John Dittes 2016-7-14 21203 Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1100957  Juncus balticus Herbert L. Mason and Verne Grant 1947-7-10 13356 Modoc 0.25 mi w Dorris Reservoir (2 mi e of Alturas) 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
  CHSC109447  Juncus confusus L. P. Janeway; B. Castro 2012-7-25 10985 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  CAS-BOT-BC10596  Juncus ensifolius Elmer Ivan Applegate 1932-7-7 8225 Modoc Lily Lake, Bidwell Pass, Warner Mountains. Comment
  CHSC109640  Juncus ensifolius Lowell Ahart; John Dittes 2012-7-12 18369 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC245047  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-12 6605 Modoc Flat between Egg Lake and Lookout just E of railroad track. 1260 Comment
  CAS-BOT-BC245052  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-1 6930 Modoc Widow Valley between Day and Lookout on County Road 94. 1330 Comment
  UCD141571  Juncus longistylis L. S. Smith 1918-6-23 s.n. Modoc Lily Lake. High Grade District. 1981 Comment
  UC1100956  Juncus mexicanus Herbert L. Mason and Verne Grant 1947-7-12 13426 Modoc n of Likely (s loop of w side road) Comment
  CHSC38994  Juncus nevadensis J. D. Jokerst 1983-7-18 1843 Modoc Large meadow area called Miller Flat at the east edge of mdw. NW of the town of Aden. Comment
  UC1601765  Juncus orthophyllus Milo S. Baker 1893-7-8 Modoc Egg Lake Comment
  CAS-BOT-BC81193  Juniperus occidentalis M. B. Kildale 1926-9-11 2767 Modoc between Malin, Oregon and Alturas 1371 Comment
  CAS-BOT-BC81196  Juniperus occidentalis Florence Angwin 1946-5-3 s.n. Modoc Big Valley 1280 Comment
  CAS-BOT-BC81211  Juniperus occidentalis A. D. Borden 1911-5-20 s.n. Modoc S.W. slope Sugar Hill Comment
  UC1280914  Juniperus occidentalis H. E. McMinn 1941-8-30 5407 Modoc 13 mi s Alturas Comment
  UC71751  Juniperus occidentalis Mrs. M. H. Manning Sep 1 1902-Oct 1 1902 10 Modoc Comment
  CHSC99963  Juniperus occidentalis var. occidentalis Lowell Ahart; John Dittes 2008-8-26 15358 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  RSA0039543  Juniperus occidentalis var. occidentalis Lowell A. Ahart, John Dittes 2008-8-26 15358 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  RSA210814  Juniperus occidentalis var. occidentalis Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39087 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC95668  Kalmia polifolia Elmer Ivan Applegate 1932-8-7 8224 Modoc Just above Lily Lake. Comment
  CAS-BOT-BC95671  Kalmia polifolia Annie Montague Alexander; L. Kellogg 1946-6-27 4852 Modoc Highgrade, 2 mi from Dismal Swamp. 2377 Comment
  SEINET2029157 Image available Kalmia polifolia L. C. Wheeler 1935-8-4 3776 Modoc Warner Mountains, Pine Creek 2210 Comment
  CAS-BOT-BC225090  Kelloggia galioides Bruce Bartholomew 1989-7-15 5013 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  HSC30200  Kelloggia galioides D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19514 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  RSA520449  Kelloggia galioides Bruce Bartholomew, B. Anderson 1990-7-20 5528 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC95539  Kochia americana Bruce Bartholomew 1991-6-22 5841 Modoc Surprise Valley, 5.6 km E of Eagleville. 1370 Comment
  NY539717  Kochia americana B. M. Bartholomew 1989-6-2 4832 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  CAS-BOT-BC247643  Koeleria macrantha R. M. Austin 1895-7-1 494 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC247646  Koeleria macrantha John Thomas Howell 1934-7-1 12347 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247648  Koeleria macrantha Leland S. Smith 1920-7-13 1187 Modoc Crowder Flat. 1371 Comment
  CAS-BOT-BC247649  Koeleria macrantha Bruce Bartholomew; Barrett Anderson 1990-7-21 5583 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  HSC80845  Koeleria macrantha G. M. Riegel 1979-7-31 636 Modoc S Warner Mtns. 1829 Comment
  JEPS114835  Koeleria macrantha Lowell Ahart, John Dittes 2008-6-21 15015 Modoc On the north side of the dirt road, in Big Valley, about 3.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber 1264 Comment
  JEPS74026  Koeleria macrantha Frances D. Payne 1932-6-24 587 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  POM113363  Koeleria macrantha Mrs. R. M. Austin 1895-07 494 Modoc Goose Lake Valley. Comment
  UC60745  Koeleria macrantha M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UCD85661  Koeleria macrantha A. A. Beetle 1941-6-29 2842 Modoc 10 miles W of Alturas, road to Cedarville. Comment
  UCD85812  Koeleria macrantha August L. Hormay 1932-7-14 s.n. Modoc D.D. plot site. Comment
  UCD85975  Koeleria macrantha A. H. Shunk 1923-7-26 s.n. Modoc Modoc and Siskiyou County: Tule Lake. Comment
  UCD86089  Koeleria macrantha L. D. Whitney 1935-7-2 s.n. Modoc Badger Wells. Comment
  CDA7518  Lactuca tatarica subsp. pulchella T. C. Fuller 1958-7-8 2029 Modoc Davis Creek. 0 Comment
  JEPS117165  Lagophylla ramosissima Lowell Ahart, John Dittes 2010-8-30 17065 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
  SEINET11446760 Image available Lagophylla ramosissima M. J. Williams 1983-9-13 83- 151 -2 Modoc Along side of road from Alturas to Cedarville, 3.8 mi W of Cedar Pass, 6.7 mi from junction of Hwy 299 and Cedarville road 1554 Comment
  CAS-BOT-BC49499  Lagophylla ramosissima subsp. ramosissima Bruce Bartholomew 1989-7-14 4942 Modoc Stone Coal Valley, 3.2 km W of State Hwy 299. 1340 Comment
  JEPS127183  Lamium amplexicaule Lowell Ahart, John Dittes 2016-7-14 21174 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  CAS-BOT-BC54070  Lappula redowskii Elmer Ivan Applegate 1936-5-4 10235 Modoc Lava Beds National Monument, near Hospital Rock, northern boundary. Comment
  UC71569  Lappula redowskii Mrs. M. H. Manning c. 1899 170 Modoc Fort Bidwell n.e. Modoc Co., Fort Bidwell Comment
  RSA531339  Lathyrus brownii Bruce Bartholomew, M. Bourell 1990-4-27 5168 Modoc NW side of Rice Flat, 2km S of Adin Pass. 1540 Comment
  CAS-BOT-BC497318  Lathyrus lanszwertii Fred P. Cronemiller, Jr. 1920-6-10 3 Modoc McKenzie Spring 1310 Comment
  CAS-BOT-BC181974  Lathyrus rigidus R. M. Austin 1894-5-1 Modoc Goose Lake Valley. Comment
  RSA74593  Lathyrus rigidus C. L. Hitchcock 1950-5-27 19225 Modoc 20 miles N of Alturas Comment
  JEPS11927  Layia glandulosa L. S. Smith Jul 20 1920-Jul 31 1920 1195 Modoc Mill Creek Southern Warner Mountains, Mill Creek 2133 Comment
  POM77416  Ledum glandulosum Mrs. R. M. Austin 1895-07 304 Modoc Tamaracks Comment
  RSA8237  Ledum glandulosum Elmer I. Applegate 1932-8-6 8210 Modoc Just above Lily Lake, Bidwell Pass, Warner Mts. Comment
  SJSU9609  Lemna minor W. Savage 1979-7-6 1383 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC99245  Lemna minuta Lowell Ahart; John Dittes 2008-6-21 15008 Modoc On shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley about 3.6 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. 1269 Comment
  UCD138196  Lemna trisulca Verne Grant; Irving Schneider 1947-7-19 8065 Modoc Corporation ranch; south of south loop road, south of Alturas. Comment
  UC1101289  Lemna turionifera Verne Grant, Irving Schneider 1947-7-19 8064 Modoc Corporation Ranch s of Alturas (s of South Loop Road); Corporation Ranch Comment
  SJSU9999  Lemna valdiviana H. L. Buckalew 1961-6-21 Modoc Stough (""Stowe"") Reservoir c. 2 mi N of Cedar Pass on the Alturas-Cedarville Rd, Warner Mts 1981 Comment
  CAS-BOT-BC58457  Lepidium campestre Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16467 Modoc 2.6 mi. N of Buck's Creek Ranger Station, E side of Goose Lake. Comment
  CHSC85118  Lepidium draba John Dittes; Josephine Guardino 1991-7-21 417 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
  HSC97739  Lepidium montanum Juha Pykala, D. H. Norris 1987-5-27 1094 Modoc 1.5-2 mi. from Hwy. 299 to Modoc National Forest boundary, Crowder Flat Rd. 1500 Comment
  CAS-BOT-BC58301  Lepidium perfoliatum Gordon H. True 1965-5-7 1879 Modoc Between Alturas and Goose Lake at Cedarville Road intersection. 1463 Comment
  CAS-BOT-BC58349  Lepidium perfoliatum E. S. Willits 1940-5-17 273 Modoc Willow Ranch. Comment
  HSC6833  Lepidium perfoliatum M. T. Milligan 1964-6-4 22 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  CHSC109896  Leptosiphon harknessii B. Castro; L. P. Janeway 2012-7-26 1969 Modoc Warner Mountains. At Little Lily Lake, 1.5 air mi N of Mt. Vida. 2254 Comment
  SJSU8682  Leptosiphon septentrionalis W. Savage 1979-7-5 1380 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC242077  Leucocrinum montanum E. S. Willits 1940-4-21 188 Modoc Near quarantine station, Alturas. Comment
  CHSC70483  Leucocrinum montanum A. Sanger 1994-5-10 2454 Modoc Just E on Hwy. 299 past Hwy 395, top steep cutbank. 1389 Comment
  UC1134622  Leucocrinum montanum R. C. Wilson 1933-5-23 26 Modoc Pothole Gulch; Modoc National Forest, Canby Quad. 1341 Comment
  UC13773  Leucocrinum montanum Milo S. Baker c. 1893 Modoc Modoc or Lassen County Comment
  UC423437  Leucocrinum montanum M. F. Gilman 525 Modoc 1676 Comment
  NY497448  Lewisia pygmaea K. Paulson 1988-6-11 35 Modoc North of Stough Reservoir, Warner Mountains 1676.4 Comment
  UC748125  Lewisia pygmaea Annie M. Alexander and Louise Kellogg 1946-6-8 4698 Modoc road from Eagleville to Patterson Mill 2286 Comment
  CAS-BOT-BC197494  Lewisia rediviva Isabelo T. Kelly 1930-1-1 16 Modoc Fort Bidwell. Comment
  UC1585399  Lewisia rediviva R. Raiche and K. Zadnik 1989-7-4 9021 A Modoc Soldier Creek drainage Warner Mts., Cedar Mt. area, Soldier Creek drainage 1985 Comment
  JEPS73996  Leymus triticoides Frances D. Payne 1932-7-18 713 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS73997  Leymus triticoides Frances D. Payne 1932-7-18 703 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS73998  Leymus triticoides Frances D. Payne 1932-7-18 706 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SEINET179457 Image available Leymus triticoides F. Payne 782 Modoc Warner Mountains Comment
  UC536901  Leymus triticoides Frances Payne 782 Modoc Warner Mts. Comment
  UC748405  Ligusticum grayi Annie M. Alexander and Louise Kellogg 1946-7-18 5014 Modoc Warner Mts., Benton Meadow 2072 Comment
  CAS-BOT-BC242066  Lilium washingtonianum Leland S. Smith 1922-7-20 1274 Modoc Rush Creek Ranger Station below the road. 1905 Comment
  CAS-BOT-BC242068  Lilium washingtonianum Bruce Bartholomew 1989-7-14 4928 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
  CAS-BOT-BC498668  Lilium washingtonianum K. Paulson; R. Paulson 1991-8-10 251 Modoc Near Manzanita Lookout 2060 Comment
  UC1101430  Limosella acaulis Verne Grant and Irving Schneider 1947-8-27 8323 Modoc se corner Clear Lake (Nigger Bend Spring); se corner of Clear Lake Comment
  CHSC85116  Limosella aquatica John Dittes; Josephine Guardino 1991-7-21 419 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC198048  Linanthus ciliatus Bruce Bartholomew 1995-6-24 7025 Modoc 16.4 km W of State Hwy 136 on road to Tionesta (Forest Service Road 44N17). 1400 Comment
  UC971756  Linanthus harknessii F. H. Frost 1925-7-11 13 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  CAS-BOT-BC229895  Linaria dalmatica subsp. dalmatica W. T. Parsons; Thomas C. Fuller 1960-7-27 4875 Modoc Lassen Creek, near Sugar Hill Planting. 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-BC179161  Linum lewisii Elmer Ivan Applegate 1932-7-9 7601 Modoc NE slope of Bidwell Mt. Comment
  CAS-BOT-BC179162  Linum lewisii M. M. Hanna 1956-6-4 955 Modoc Cedar Pass. Comment
  RSA27040  Linum lewisii C. L. Hitchcock 1940-5-27 6709 Modoc 15 miles NE of Alturas. 1677 Comment
  UC17254  Linum lewisii Milo S. Baker 1893-6 Modoc Lava Beds Comment
  JEPS123864  Linum lewisii var. lewisii Lowell Ahart, John Dittes 2015-7-16 20369 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC242225  Listera convallarioides Bruce Bartholomew 1994-7-3 6841 Modoc Field redacted by CAS, contact the data manager for more information 1780 Comment
  CAS-BOT-BC225844  Lithophragma glabrum Francis Dorris Payne 1932-4-22 387 Modoc Parker Creek. 1584 Comment
  HSC20219  Lithophragma parviflorum M. T. Milligan 1964-6-25 77 Modoc Upper Lassen Creek 1829 Comment
  HSC80735  Lithophragma parviflorum G. M. Riegel 1978-6-26 16 Modoc S Warner Mtns. 2100 Comment
  POM64599  Lithospermum californicum Milo S. Baker 1893-6-20 s.n. Modoc [Unspecified] Comment
  UC24881  Lithospermum californicum Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC54039  Lithospermum ruderale Gordon H. True 1964-6-3 1436 Modoc No. Fork Pit River between Alturas & Goose Lake. 1432 Comment
  HSC3701  Lithospermum ruderale M. T. Milligan 1965-6-26 344 Modoc N end Jess Valley. 1616 Comment
  UC71570  Lithospermum ruderale M. H. Manning May 1903 98 a Modoc near Fort Bidwell ne Modoc county Comment
  RSA59862  Lithospermum ruderale E. K. Balls 1950-5-11 14615 Modoc 2 miles N of Lake City, w. of Upper Alkali Lake. 1418 Comment
  CAS-BOT-BC21441  Lomatium bicolor var. leptocarpum Bruce Bartholomew; Barrett Anderson 1989-4-28 4647 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  RSA271897  Lomatium bicolor var. leptocarpum Christopher Davidson 1975-6-4 2598 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  RSA334866  Lomatium bicolor var. leptocarpum A. Tiehm 1984-6-30 8838 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1844 Comment
  UC748468  Lomatium bicolor var. leptocarpum Annie M. Alexander and Louise Kellogg 1946-6-26 4839 Modoc n. end Warner Mts., Dismal Swamp 2255 Comment
  CAS-BOT-BC497331  Lomatium bicolor var. leptocarpum G. Schoolcraft 1998-5-19 2708 Modoc 1/2 mi E of Hwy 395 on Hwy 299, E. Alturas 1386 Comment
  RSA324612  Lomatium bicolor var. leptocarpum A. Tiehm 1984-7-30 8827 Modoc Modoc County: 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 Comment
  RSA334870  Lomatium bicolor var. leptocarpum A. Tiehm 1984-7-30 8827 Modoc Modoc County: 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 Comment
  CAS-BOT-BC21430  Lomatium canbyi Bruce Bartholomew 1993-4-5 6414 Modoc S side of Pit River on County Road 84, ca. 2 km E of County Road 85. 1340 Comment
  CAS-BOT-BC30174  Lomatium dissectum var. multifidum K. Paulson; Robert Paulson 1988-6-11 34 Modoc North of Stough Reservoir, Warner Mts.. 1676 Comment
  NY1141605  Lomatium hendersonii B. M. Bartholomew 1991-5-25 5769 Modoc 4.3 km south of Likely-Jess Valley Road on road to West Valley Reservoir 1540 Comment
  SEINET7878180 Image available Lomatium leptocarpum Unknown 1946-1 4770 Modoc Silver Creek branch of Patterson Mill road 1829 Comment
  POM78180  Lomatium nevadense C. C. Bruce 1895-05 28 Modoc Goose Lake Valley Comment
  RSA164355  Lomatium nevadense Clare B. Hardham 1961-6-18 7590 Modoc Cedar Pass. 1829 Comment
  SEINET13944568 Image available Lomatium nevadense W. A. Weber 1965-1 12241 Modoc North slope of Adin summit, 24 miles west of Alturas; 4400 ft 1341 Comment
  CAS-BOT-BC15753  Lomatium nevadense var. nevadense R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2373 Modoc Goose Lake. Comment
  CAS-BOT-BC15756  Lomatium nevadense var. nevadense Clare Butterworth Hardham 1961-6-18 7590 A Modoc Cedar Pass. 1828 Comment
  CAS-BOT-BC15752  Lomatium nevadense var. nevadense Elmer Ivan Applegate 1937-5-13 11085 Modoc N end of Devils Homestead, Lava Beds National Monument. Comment
  HSC28826  Lomatium nevadense var. parishii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19505 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC748356  Lomatium nevadense var. parishii Annie M. Alexander 1946-6-8 4703 Modoc rd. from Eagleville to Patterson Mill (near 3 miles Ranger Station sign) 2225 Comment
  UCD127708  Lomatium nudicaule Geo. C. Wood 1940-4-25 s.n. Modoc Fleming Ranch southeast end of Goose Lake. Comment
  HSC80779  Lomatium triternatum G. M. Riegel 1980-8-26 1110 Modoc South Warner Mountains 1739 Comment
  CAS-BOT-BC497467  Lomatium triternatum Margaret J. Williams 1988-5-30 88- 26 -6 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC21409  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-13 8146 Modoc Fandango Pass. Comment
  CAS-BOT-BC21415  Lomatium triternatum var. triternatum 1976-5-29 8 LM76 Modoc Devils Garden N of Alturas. 1402 Comment
  CAS-BOT-BC21394  Lomatium vaginatum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-30 5972 Modoc N of Likely. 1371 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
  UC1187699  Lomatium vaginatum Tracey and Viola Call 1961-5-30 2055 Modoc 16 mi N of Alturas Comment
  CAS-BOT-BC95175  Lonicera involucrata var. involucrata Francis Dorris Payne 1955-7-21 Modoc Lily Lake. Comment
  SEINET3523632 Image available Lotus americanus Annie M. Alexander, Louise Kellogg 1946-7-7 4934 Modoc Eight Mile Creek, NE corner of county 1753 Comment
  UC15565  Lotus denticulatus M. S. Baker and Frank Nutting 1894-6-8 Modoc near Egg Lake Comment
  UC71807  Lotus denticulatus Mrs. M. H. Manning Jun 1904 463 Modoc near Fort Bidwell (ne Modoc County) Comment
  NY704619  Lotus denticulatus M. J. Williams 1984-6-20 84- 82 --2 Modoc 13.4 miles west along Parker Creek Road 1585 Comment
  CAS-BOT-BC181940  Lotus purshianus var. purshianus M. Vasey 1992-6-30 9035 A Modoc 0.2 mi. from junction of Lava Camp Road and road to Egg Lake. 1300 Comment
  RSA503054  Lotus unifoliolatus Bruce Bartholomew, B. Anderson 1988-6-23 4223 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  RSA504839  Lotus unifoliolatus Bruce Bartholomew, B. Anderson 1988-7-22 4485 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mountains; Sierran Montane forest. 2210 Comment
  RSA582627  Lotus unifoliolatus Louis C. Wheeler 1935-9-23 4005 Modoc Pease Flat, Devils Garden. 1524 Comment
  CAS-BOT-BC181932  Lupinus Clare Butterworth Hardham 1961-6-19 7837 Modoc Davis Creek. 1676 Comment
  UC726971  Lupinus A. A. Heller 1941-6-25 16206 Modoc w side of the grade leading up to Cedar Pass; w side of the grade leading up to Cedar Pass Comment
  CAS-BOT-BC181918  Lupinus arbustus Robert Patterson; Mona Bourell 1993-8-14 5227 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC181922  Lupinus arbustus Elmer Ivan Applegate 1932-8-1 8059 Modoc S slope of Werren Peak, Warner Mts. Comment
  CAS-BOT-BC182177  Lupinus argenteus Francis Elliot Drouet; Donald Richards 1941-9-12 4202 Modoc Sloughs along the N fork of the Pit River, NE of Alturas. 1341 Comment
  CAS-BOT-BC182194  Lupinus argenteus John Thomas Howell 1934-6-15 12183 Modoc Alturas. Comment
  CAS-BOT-BC182218  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  CAS-BOT-BC182219  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  CAS-BOT-BC182221  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  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
  NY736760  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas 1524 Comment
  CAS-BOT-BC182111  Lupinus argenteus var. heteranthus R. M. Austin 1898-7-1 2143 Modoc Modoc County. Comment
  CAS-BOT-BC182112  Lupinus argenteus var. heteranthus R. M. Austin 1898-7-1 2147 Modoc Lake shore. Comment
  JEPS119664  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2012-7-11 18338 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
  JEPS121194  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2013-7-25 18953 Modoc About 10 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  SBBG125477  Lupinus argenteus var. heteranthus L. Ahart, J. Dittes 2012-7-10 18330 Modoc ca. 300 yards NE of old barn, on the sides of mowed rd; Ash Crk State Wildlife Area NE of Bieber, Big Valley 1266 Comment
  UC748290  Lupinus argenteus var. heteranthus Annie M. Alexander and Louise Kellogg 1946-6-12 4739 Modoc Fandango Pass road, W side 1706 Comment
  UC126981  Lupinus argenteus var. heteranthus Mrs. R. M. Austin and Bruce Jul 1898 2143 Modoc Comment
  CAS-BOT-BC181895  Lupinus argenteus var. meionanthus Bruce Bartholomew 1992-8-8 6365 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  CAS-BOT-BC181890  Lupinus brevicaulis Bruce Bartholomew 1995-6-2 6933 Modoc 6.4 km E of Eagleville, S end of Surprize Valley. 1380 Comment
  HSC14805  Lupinus caudatus M. T. Milligan 1965-6-27 355 Modoc E slope of eroded volcanic plateau. 1677 Comment
  CAS-BOT-BC181882  Lupinus latifolius Bruce Bartholomew; Barrett Anderson 1989-6-1 4753 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  UC865300  Lupinus latifolius var. viridifolius Lewis S. Rose 1940-6-13 40550 Modoc Davis Creek 1371 Comment
  CAS-BOT-BC8444  Lupinus laxiflorus var. calcaratus Alice Eastwood; John Thomas Howell 1940-6-13 8141 Modoc Fandango Pass Comment
  UCR34822  Lupinus lepidus var. lobbii J. A. Harpel 1981-8-6 V- 09 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  SJSU9655  Lupinus lepidus var. sellulus W. Savage 1979-7-8 1491 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest Comment
  CAS-BOT-BC181852  Lupinus leucophyllus Alice Eastwood; John Thomas Howell 1940-6-14 8207 Modoc Canby. Comment
  UC726491  Lupinus microcarpus var. densiflorus A. A. Heller 1941-6-25 16197 Modoc on the Cedarville rd a short distance e junction with U.S. Highway 395 Comment
  CAS-BOT-BC181847  Lupinus microcarpus var. microcarpus Bruce Bartholomew 1990-6-18 5376 Modoc 5.5 km N of Hwy 299 on Crowder Flat Rd. 1450 Comment
  RSA59713  Lupinus polycarpus E. K. Balls 1950-5-18 14763 Modoc Lower Rush Creek Public Camp, off Hwy. 299, 8 mi. N. of Adin. 1311 Comment
  NY747604  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1988-5-13 4149 Modoc Along Parker Creek Road, at the border of Modoc National Forest and ca. 16 km WSW of Alturas, side of the Warner Mountains 1580 Comment
  NY747606  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1989-4-28 4645 Modoc 8.8 km north of State Highway 299 on road to Raker and Thomas Reservoir 1470 Comment
  SEINET8061408  Lupinus polyphyllus var. saxosus G. Schoolcraft 1998-5-19 2709 Modoc 1.2 mi. east of Highway 395 on Highway 299, E. Alturas 1387 Comment
  RSA520476  Lupinus ruber Bruce Bartholomew, B. Anderson 1989-4-28 4645 Modoc 8.8 km N of State hwy 299 on road to Raker and Thomas Reservoir. 1470 Comment
  HSC25989  Lupinus subvexus var. subvexus D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19369 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  SEINET2063107 Image available Lupinus subvexus var. subvexus Arnold Tiehm 1984-6-30 8833 Modoc North edge of Lake Annie on the W side of Bidwell Mt., NE of Ft. Bidwell. 1530 Comment
  JEPS106999  Lupinus uncialis Michael P. Dolan 2002-6-4 s.n. Modoc 6 miles SSW from Alturas 1426 Comment
  JEPS121223  Lythrum tribracteatum Lowell Ahart, John Dittes 2013-7-24 18914 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC49426  Madia citriodora John Thomas Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mountains 1584 Comment
  RSA540054  Madia citriodora Bruce Bartholomew, B. Anderson 1989-6-3 4916 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  SJSU11765  Madia citriodora R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  SFV18024  Madia elegans subsp. elegans J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc 5 miles northwest of Canby along Highway 139. 1400 Comment
  CAS-BOT-BC49445  Madia glomerata Louis Cutter Wheeler 1935-8-27 3923 Modoc 1 mi. E of South Mountain, Devil's Garden. 1524 Comment
  CAS-BOT-BC49448  Madia glomerata M. Vasey 1990-6-30 9063 Modoc Along County Rd 95 in dried wetland N of road, near Egg Lake. 1500 Comment
  HSC41119  Madia glomerata Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3252 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  CAS-BOT-BC49411  Madia gracilis Bruce Bartholomew; Barrett Anderson 1988-7-22 4514 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CAS-BOT-BC49422  Madia gracilis David Daniels Keck; Jens Chr. Clausen 1935-6-24 3723 Modoc 1.5 mi. N of Davis Creek. 1524 Comment
  CAS-BOT-BC49423  Madia gracilis John Thomas Howell 1934-6-30 12268 A Modoc Duncan Horse Camp, 6 mi. E of Perez. Comment
  CAS-BOT-BC242026  Maianthemum racemosum E. S. Willits 1940-6-9 336 Modoc Fandango Pass. Comment
  CAS-BOT-BC242028  Maianthemum racemosum John Thomas Howell 1934-6-11 11954 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC242029  Maianthemum racemosum Bruce Bartholomew 1991-6-20 5782 Modoc NE side of Barber Ridge, 10 km NW of Adin on road to Fox Mountain. 1580 Comment
  CAS-BOT-BC242033  Maianthemum racemosum Elmer Ivan Applegate 1932-8-7 8227 Modoc Lily Lake, Bidwell Pass. Comment
  CAS-BOT-BC242036  Maianthemum racemosum Elmer Ivan Applegate 1932-8-2 8084 Modoc Mill Creek Meadows, region of the south fork of Pit River. E slope of Warner Mts. Comment
  CAS-BOT-BC242038  Maianthemum racemosum C. L. Hitchcock 1940-5-27 6681 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC242039  Maianthemum racemosum M. M. Hanna 1956-6-5 976 Modoc Cedar Pass. Comment
  UC18742  Malva neglecta M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  RSA550542  Marah fabacea Bruce Bartholomew 1992-5-14 6274 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  CAS-BOT-BC30190  Marsilea vestita Bruce Bartholomew 1991-7-5 5936 Modoc Vicinity of the outlet of Dorris Brothers Reservoir. 1500 Comment
  CAS-BOT-BC498694  Marsilea vestita Louis C. Wheeler 1935-9-18 1616 Modoc Modoc National Forest: Everly Rsvr., Devil's Garden 1524 Comment
  CHSC117494  Matricaria discoidea Lowell Ahart; John Dittes 2016-7-14 21155 Modoc Wesst side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS124363  Mentha arvensis Lowell Ahart, John Dittes 2015-7-16 20359 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 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
  UC1540002  Mentzelia albicaulis M. Mitchell 1936-5-21 47 Modoc 2 m se Hospital Rock; Lava Beds National Monument 1249 Comment
  RSA59520  Mentzelia albicaulis E. K. Balls 1950-5-21 14821 Modoc South Fork Public Camp, South Fork Pit River. 1479 Comment
  CAS-BOT-BC179131  Mentzelia dispersa Annie Montague Alexander; L. Kellogg 1946-6-10 4714 Modoc Lava bench between Lower and Snake Lakes. Comment
  CAS-BOT-BC179140  Mentzelia dispersa Alice Eastwood; John Thomas Howell 1940-6-12 8056 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC179145  Mentzelia dispersa Betty J. Hammerly 1941-6-20 39 Modoc Between Mill Creek Public Camp and Clear Lake. 1767 Comment
  UC1563715  Mentzelia dispersa Barbara Ertter 1988-6-18 7608 Modoc NE Dry Lake (W side hwy 139 just S of where it crosses railroad at jct to Clear Lake,); E of lava Beds Nat'l Monument 1249 Comment
  UC711841  Mentzelia laevicaulis var. laevicaulis Roxana S. Ferris and Laura Lorraine 1941-8-14 10608 Modoc on road between Fort Bidwell and Pine Creek (East slope of Fandangao Pass near base of pass.); Warner Mountains Comment
  JEPS42866  Mentzelia laevicaulis var. laevicaulis W. L. Jepson 1918-8-9 7924 Modoc Lake City 1463 Comment
  CAS-BOT-BC179119  Mentzelia montana Bruce Bartholomew; Barrett Anderson 1989-6-2 4822 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC179121  Mentzelia montana Bruce Bartholomew; Barrett Anderson 1989-4-29 4696 Modoc E side of Surprise Valley, just W of the Nevada border and ca. 15 km E of Cedarville. 1500 Comment
  CAS-BOT-BC179122  Mentzelia montana John Thomas Howell 1934-6-30 12263 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC179118  Mentzelia montana Mrs. H. C. Cantelow 1940-6-2 3996 Modoc W of Alturas, road to Lava Beds. Comment
  CAS-BOT-BC179113  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5836 Modoc E slope of S end of Warner Mountains, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  CAS-BOT-BC179116  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5854 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  RSA152746  Mentzelia veatchiana I. L. Wiggins, Dorothy Wiggins 1961-6-12 16439 Modoc 4 miles east of summit of Cedar Pass, along Cedar Pass Road. Comment
  UC1408973  Menyanthes trifoliata R. F. Thorne and C. W. Tilforth 1969-9-5 39166 Modoc Modoc National Forest, Warner Mountains, Clear Lake Clear Lake; Modoc National Forest, Warner Mountains, Clear Lake 1767 Comment
  CAS-BOT-BC54042  Mertensia ciliata Bruce Bartholomew 1991-6-21 5802 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CAS-BOT-BC54046  Mertensia cusickii Bruce Bartholomew 1990-6-16 5272 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  NY1084204  Mertensia cusickii A. J. Cronquist 1959-6-19 8502 Modoc Overlooking Mill Creek a little above Clear lake; Warner Mountains 15 miles east of Likely 1981 Comment
  NY1084556  Mertensia longiflora B. M. Bartholomew 1991-5-24 5738 Modoc Near north side of Big Mud Lake at the Nevada State boundary 1680 Comment
  SEINET11302717  Mertensia longiflora M. J. Williams 1984-6-29 84- 71 -1 Modoc Lily Lake, west side of the Warner Mountains 2073 Comment
  NY1084274  Mertensia oblongifolia E. Joyal 1988-6-28 1293 Modoc North Warner Mountains, ridge road Comment
  CHSC118311  Micranthes nidifica L. P. Janeway 2016-5-18 12075 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-BC225968  Micranthes oregana Bruce Bartholomew; Barrett Anderson 1988-6-24 4367 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  CAS-BOT-BC225969  Micranthes oregana Bruce Bartholomew 1991-8-5 6041 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC95552  Micromonolepis pusilla Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6462 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC95553  Micromonolepis pusilla Bruce Bartholomew 1991-5-24 5694 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 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
  CHSC85104  Microseris laciniata subsp. laciniata John Dittes; Josephine Guardino 1991-7-21 410 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC49360  Microseris nutans Clare Butterworth Hardham 1961-6-18 7590 Modoc Cedar Pass. 1828 Comment
  JEPS126544  Microseris nutans Lowell Ahart, John Dittes 2016-6-6 20958 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
  UC748189  Microseris nutans Annie M. Alexander and Louise Kellogg 1946-6-14 4750 Modoc Patterson Mill Road, branch to Silver Creek 1828 Comment
  HSC6028  Microseris nutans M. T. Milligan 1965-6-27 364 Modoc 1677 Comment
  JEPS35643  Microseris nutans Milo S. Baker 1893-6-18 Modoc Pine timber Comment
  JEPS6026  Microseris nutans Frances D. Payne 1932-6-22 573 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC197896  Microsteris gracilis C. C. (Mrs.) Bruce 1894-4-1 104 Modoc Davis Creek. Comment
  CAS-BOT-BC197910  Microsteris gracilis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 105 Modoc Hillslope above Parker Creek. Comment
  HSC20803  Mimulus breviflorus M. T. Milligan 1964-7-1 114 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  SEINET3365878 Image available Mimulus breweri Arthur Cronquist, Arthur H. Holmgren 1959-6-20 8520 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920 Comment
  UC1249273  Mimulus breweri Arthur Cronquist, Arthur H. Holmgren 1959-6-20 8520 Modoc between Cedarville and Alturas; Warner Mts., Cedarville Pass 1950 Comment
  JEPS127294  Mimulus evanescens Lowell Ahart, John Dittes 2016-7-14 21183 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  HSC80802  Mimulus guttatus G. M. Riegel 1980-7-2 813 Modoc S Warner Mtns. 2100 Comment
  SBBG10583  Mimulus guttatus D. Myrick 1968-6-20 1975 Modoc Davis Crk on US Hwy 395, 15 mi N of Alturas 1524 Comment
  UC1191895  Mimulus guttatus Verne Grant, Irving Schneider 1947-7-19 8070 Modoc n Likely (s of south loop road, on Corporation Ranch) Comment
  JEPS103189  Mimulus lewisii G. Schoolcraft 2000-7-17 2912 Modoc N Warner Mountains 1981 Comment
  JEPS10992  Mimulus lewisii L. S. Smith 1917-7-29 884 Modoc Mill Creek warner Mts. 1981 Comment
  UC446466  Mimulus lewisii M. F. Gilman 526 Modoc Warner Mts. 1981 Comment
  JEPS15588  Mimulus nanus var. nanus Frances D. Payne 1931-6-29 760 Modoc ridge s Granger Pass (pass at head of Granger Creek); Warner Mountains 1981 Comment
  UC26856  Mimulus tricolor M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  POM319368  Mimulus tricolor Patricia Wilder 1971-6-20 5062 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  CAS-BOT-BC95212  Minuartia nuttallii Elmer Ivan Applegate 1932-8-1 8018 Modoc W slope of Warner Mts., S of Warren Peak. Comment
  CAS-BOT-BC95216  Minuartia nuttallii Annie Montague Alexander; L. Kellogg 1946-7-30 5093 Modoc Eagle Peak, Warner Mts. Comment
  UC1553374  Minuartia nuttallii subsp. gregaria Sch/Yor/Hor/Ach 1988-7-16 1835 Modoc along trail sw Squaw Peak; Warner Mtns. 2438 Comment
  UC748054  Minuartia nuttallii subsp. gregaria Annie M. Alexander and Louise Kellogg 1946-7-30 5093 Modoc Eagle Peak Warner Mountains (e slope near summit) Comment
  NY446178  Minuartia nuttallii var. gregaria L. C. Wheeler 1935-8-5 3786 Modoc Yellow Mountain, Warner Mountains 2438.4 Comment
  CAS-BOT-BC225805  Mitella pentandra Bruce Bartholomew; Barrett Anderson 1990-7-20 5500 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  NY758253  Mitella pentandra B. M. Bartholomew 1990-7-20 5500 Modoc Tamarack Flat, east side of Warner Mountains 2150 Comment
  RSA149075  Mitella pentandra I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16489 Modoc 6.4 mi. S of Lassen Creek Campground along road to Buck Mtn, Warner Mtns. Comment
  CAS-BOT-BC222026  Monardella odoratissima subsp. glauca Marion Ownbey; Fred G. Meyer 1940-7-1 2150 Modoc Cedar Peak, Warner Mts. Comment
  RSA0036438  Monardella odoratissima subsp. glauca B. Castro, L. P. Janeway 2012-7-24 1947 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.6 air mi west of Lily Lake and 0.9 air mi northwest of Yellow Mountain. 1948 Comment
  SJSU6210  Monardella odoratissima subsp. glauca H. L. Buckalew 1961-7-1 Modoc lower flanks of Cedar Mt, Warner Mts 2133 Comment
  CAS-BOT-BC179854  Monardella odoratissima subsp. glauca Clare Butterworth Hardham 1972-7-14 18656 Modoc Warner Mountains. 2590 Comment
  CAS-BOT-BC197477  Montia chamissoi Bruce Bartholomew; Barrett Anderson 1989-6-3 4861 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC197523  Montia chamissoi Francis Dorris Payne 1932-6-27 616 Modoc Parker Creek. 1584 Comment
  UC1025099  Montia chamissoi Leo Whitney 1934-5-5 1609 Modoc 15 mi w of Canby (Happy Camp); Modoc National Forest, Happy Camp 1463 Comment
  JEPS43253  Montia chamissoi Milo S. Baker 1893-7-1 Modoc 1371 Comment
  CAS-BOT-BC197507  Montia fontana Elmer Ivan Applegate 1932-8-2 8082 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC197511  Montia fontana Bruce Bartholomew; Barrett Anderson 1989-6-2 4845 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC197512  Montia fontana C. L. Hitchcock 1940-5-27 6697 Modoc 12 mi. NE of Alturas. 1615 Comment
  NY497765  Montia fontana B. M. Bartholomew 1989-6-2 4845 Modoc Vicinity of Stough Reservoir, Warner Mountains 1950 Comment
  POM260459  Montia fontana C. L. Hitchcock 1940-5-27 6697 Modoc 12 miles NE of Alturas. 1616 Comment
  UC711854  Montia fontana Roxana S. Ferris and Laura Lorraine 1941-8-13 10528 Modoc Patterson Ranger Station, East Creek drainage, Modoc National Forest Patterson Ranger Station; Warner Mountains, Modoc National Forest, Patterson Ranger St 2164 Comment
  RSA152693  Montia fontana I. L. Wiggins 1961-6-12 16396 Modoc Margin of marshy area along Thomas Creek, 6.1 miles E of California Hwy 299, on road to Cedarville Comment
  CAS-BOT-BC247566  Muhlenbergia filiformis Bruce Bartholomew 1992-8-9 6394 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mountains. 2500 Comment
  CAS-BOT-BC247563  Muhlenbergia richardsonis Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake. 1310 Comment
  SEINET4343716 Image available Muhlenbergia richardsonis Unknown 1988-6-18 7609 Modoc West side of Hwy 139 just south of where it crosses railroad at junction to Clear Lake, NE of Dry Lake east of Lava Beds National Monument 1250 Comment
  UC1025030  Muhlenbergia richardsonis Leo Whitney 1935-7-19 3539 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  SEINET8400744  Munroa squarrosa Richard R. Halse 2006-8-3 6988 Modoc Along Jess Valley Road ca. 4 miles east of Likely, just past bridge over the Pit River. 1387 Comment
  RSA496334  Myosotis scorpioides Elaine Joyal, D. Mehlman 1988-6-28 1288 Modoc N. Warner Mts., Pine Creek e. of New Pine Creek, Oregon. Comment
  CHSC117847  Myosurus minimus L. P. Janeway 2016-5-16 11998 Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Applegate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  HSC26006  Myosurus minimus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19419 Modoc Near Hager Reservoir Comment
  RSA27960  Myriophyllum sibiricum C. L. Hitchcock 1940-5-28 6722 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  UC1101500  Myriophyllum sibiricum Herbert L. Mason and Verne Grant 1947-8-13 13531 Modoc n.e. side of F reservoir n. of Canby Comment
  CAS-BOT-BC179315  Nama densa Bruce Bartholomew 1990-6-17 5335 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  UC962317  Nama densa var. parviflora Milo S. Baker 1936-6-14 8308 Modoc several mi n of Quarantine Station (sink along Hiwy Malin to Canby); along Hiwy Malin to Canby Comment
  CAS-BOT-BC198010  Navarretia breweri Bruce Bartholomew; Barrett Anderson 1989-6-3 4877 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  UC748263  Navarretia breweri Annie M. Alexander and Louise Kellogg 1946-7-7 4933 Modoc Eight Mile Creek, ne corner of Modoc Co. Eight Mile Creek 1752 Comment
  UCD32713  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc Modoc County, open slopes of cedar Pass summit. 1097 Comment
  UCR163910  Navarretia divaricata subsp. vividior Jim Andre 1993-6-30 1407 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CHSC117051  Navarretia intertexta subsp. intertexta Lowell Ahart; John Dittes 2016-6-6 20954 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
  JEPS126546  Navarretia intertexta subsp. intertexta Lowell Ahart, John Dittes 2016-6-6 20954 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC197984  Navarretia intertexta subsp. propinqua Roxana Stinchfield Ferris; R. Duthie 1919-6-14 131 Modoc Parker Creek, at Modoc Nat. Forest Boundary. Comment
  JEPS79119  Navarretia leucocephala subsp. leucocephala L. R. Heckard with R. Bacigalupi 1980-6-10 5221 Modoc sw margin Egg Lake (now dry); Egg Lake Comment
  JEPS77519  Navarretia leucocephala subsp. leucocephala L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4889 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen County line); Warner Mts. 2011 Comment
  UC1058212  Navarretia leucocephala subsp. minima C. McMillan 1949-6-16 1538 Modoc 3 mi s Crowder Flat (35 mi n of Canby) Comment
  SEINET200216  Navarretia minima C. McMillan 1949-6-16 1538 Modoc 3 miles S of Crowder Flat, 35 miles N Canby. Comment
  SEINET195707  Navarretia propinqua Annie M. Alexander, Louise Kellogg 1946-7-7 4932 Modoc Eight Mile Creek; NE corner of county. 1753 Comment
  RSA148668  Navarretia sinistra Clare B. Hardham 1961-6-19 7819 -A Modoc Willow Creek. Warner Mountains. Comment
  RSA164368  Navarretia sinistra Clare B. Hardham 1961-6-18 7815 Modoc Warner Mountains: Cedar Pass. Comment
  RSA148666  Navarretia sinistra Clare B. Hardham 1961-6-21 7900 Modoc Warner Mountains: Lakeview-Plush Road. 1829 Comment
  RSA67203  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8013 Modoc At west end of Fandango Valley, road from Goose Lake to Fort Bidwell Comment
  RSA83300  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8015 Modoc Fandango Pass, Warner Mountains. Comment
  JEPS4032  Nemophila breviflora Frances D. Payne 1931-6-22 241 A Modoc s and e Alturas (Dry Creek tributary of, Parker Creek, Warner Mountains); Warner Mountains, Parker Creek, Dry Creek tributary Comment
  UC660059  Nemophila breviflora Alan A. Beetle 1941-6-29 2829 Modoc near summit Cedarville Pass; near summit of Cedarville Pass 2118 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
  UC65048  Nemophila pedunculata Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC72016  Nemophila pedunculata Milo S. Baker 1887-1 Modoc Forestdale Comment
  UC24288  Nemophila pedunculata Milo S. Baker Modoc Pine Creek Comment
  JEPS31546  Neoholmgrenia andina Milo S. Baker 1894-6-29 Modoc Big Valley Comment
  UCD134645  Nestotus stenophyllus G. L. Stebbins Jr.; A. A. Beetle 1942-5-30 3247 Modoc 8.6 miles northwest of Canby, on road to Tule Lake. 1584 Comment
  CAS-BOT-BC245375  Nicotiana attenuata Belknap C. Goldsmith 1912-8-8 77 Modoc S end of Goose Lake. 1463 Comment
  CAS-BOT-BC245370  Nicotiana attenuata Francis Dorris Payne 1932-6-19 554 Modoc Jess Valley Rd. Comment
  CAS-BOT-BC95556  Nitrophila occidentalis Elmer Ivan Applegate 1932-7-6 8196 Modoc E side of Middle Lake, Surprise Valley. Comment
  CAS-BOT-BC58641  Noccaea fendleri subsp. glauca Annie Montague Alexander; L. Kellogg 1946-8-9 5127 Modoc Patterson Lake Trail, Warner Mts. Comment
  UC682108  Nothocalais troximoides G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3248 Modoc 28.5 mi nw Canby (on State Highway No. 29 to Tule Lake, near junction of road to Modoc Lava Beds) Comment
  CAS-BOT-BC191144  Nuphar lutea subsp. polysepala Bruce Bartholomew; Barrett Anderson 1988-6-24 4330 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  HSC16525  Oenothera flava M. T. Milligan 1964-6-17 41 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  CAS-BOT-BC190802  Oenothera flava subsp. flava K. Paulson; Robert Paulson 1989-6-21 142 Modoc Vicinity of S Fork of Pine Creek, W side of the Warner Mts. 1883 Comment
  CAS-BOT-BC190801  Oenothera flava subsp. flava Milo Samuel Baker 1893-7-20 s.n. Modoc Lava Beds. Comment
  HSC16544  Oenothera villosa subsp. strigosa M. T. Milligan 1964-8-9 226 Modoc Clear Lake Rd., 0.5 mi. W of Mill Creek, Jess Valley 1677 Comment
  CAS-BOT-BC245090  Olsynium douglasii var. douglasii Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6512 Modoc 11 km S of Oregon Border along W side of Goose Lake. 1440 Comment
  JEPS48968  Olsynium douglasii var. douglasii Leland S. Smith 1918-5-18 927 Modoc Cedarville road e Alturas 1676 Comment
  UC190690  Olsynium douglasii var. douglasii M. F. Gilman 581 Modoc Modoc Co. Hills 1676 Comment
  RSA128638  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc S/4th St., E/East St., Alturas Comment
  UCD134665  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc south side of 4th Street, east of East Street, Alturas. Comment
  CDA7558  Onopordum acanthium T. C. Fuller 1958-7-9 900 -58 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  CAS-BOT-BC49374  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1959-7-8 2795 Modoc Alturas. Comment
  CAS-BOT-BC190791  Orobanche fasciculata Bruce Bartholomew 1990-6-18 5377 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  CAS-BOT-BC190792  Orobanche fasciculata Elmer Ivan Applegate 1897-6-1 3031 Modoc 9 mi. W of Alturas. Comment
  CAS-BOT-BC190785  Orobanche uniflora Bruce Bartholomew; L. E. Skog; M. Gilbert 1993-5-11 6505 Modoc Fletcher Creek near crossing by Crowder Flat Road. 1600 Comment
  JEPS79136  Orobanche uniflora subsp. occidentalis L. R. Heckard with Rimo Bacigalupi 1980-6-11 5238 Modoc Junction of Parker Creek and Shields Creek roads, ca. 10 air miles southeast of Alturas. Comment
  RSA0070489  Orobanche uniflora subsp. occidentalis E. K. Balls 1950-5-12 14649 Modoc Hillsides north of Bucks Creek Ranger Station, Modoc National Forest; E of Goose Lake. 1737 Comment
  CAS-BOT-BC95698  Orthilia secunda Bruce Bartholomew; Barrett Anderson 1988-7-22 4528 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CAS-BOT-BC232317  Orthocarpus cuspidatus subsp. copelandii Barrett Anderson 1986-7-9 3155 Modoc Hwy 299 just W of Cedar Pass, Warner Mountains 1920 Comment
  CAS-BOT-BC232324  Orthocarpus cuspidatus subsp. copelandii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 93 Modoc Above Parker Creek. 1828 Comment
  CDA14602  Orthocarpus cuspidatus subsp. cryptanthus G. D. Barbe 1991-8-27 4442 Modoc Warner Mountains; east of Bald Mountain, Modoc National Forest. 2316 Comment
  CHSC70481  Orthocarpus cuspidatus subsp. cryptanthus A. Sanger 1996-7-12 2409 Modoc S of Paynes Peak, in bench below tower. 2182 Comment
  HSC20545  Orthocarpus cuspidatus subsp. cryptanthus M. T. Milligan 1964-7-25 172 Modoc Pine Creek Basin, along trail. 2439 Comment
  UC711900  Orthocarpus cuspidatus subsp. cryptanthus Roxana S. Ferris and Laura Lorraine 1941-8-14 10590 Modoc on road to Eagleville three mi from Patterson Ranger Station (Warner Mountains); Modoc National Forest, Warner Mountains Comment
  JEPS62837  Orthocarpus cuspidatus subsp. cryptanthus John Weiler 1970-7-7 70222 Modoc on rocky slope at Cedar Pass; Warner Mountains, rocky slope at Cedar Pass 1920 Comment
  RSA318660  Orthocarpus cuspidatus subsp. cryptanthus Margaret J. Williams 1983-7-29 83- 116 -7 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. 2088 Comment
  RSA14097  Orthocarpus hispidus Elmer I. Applegate 1929-6-24 5894 Modoc Between Alturas and Davis Creek. Comment
  CAS-BOT-BC15739  Osmorhiza chilensis Elmer Ivan Applegate 1932-7-31 7962 Modoc Mill Creek Meadow. Comment
  CAS-BOT-BC15743  Osmorhiza chilensis Roxana Stinchfield Ferris; R. Duthie 1919-6-3 52 Modoc Along Parker Creek at Modoc National Forest boundary., Comment
  CHSC85409  Osmorhiza chilensis John Dittes; Josephine Guardino 1991-8-24 463 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  NY1101673  Osmorhiza chilensis B. Anderson 1986-7-9 3166 Modoc Warner Mountains. Stough Reservoir Rd just east of Cedar Pass near Stough Reservoir 1965 Comment
  JEPS5968  Osmorhiza depauperata Frances D. Payne 1929-6-24 21 Modoc s and e Alturas (above Fitzhugh Springs, Pine Creek, Warner Mountains); Warner Mountains, Pine Creek 1828 Comment
  HSC28307  Osmorhiza purpurea D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19466 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC190618  Oxyria digyna M. F. Gilman 511 Modoc Mt. Lake 2133 Comment
  CAS-BOT-BC50304  Packera cana Louis Cutter Wheeler 1935-8-4 3778 Modoc Pine Creek, Modoc National Forest 2103 Comment
  CAS-BOT-BC50321  Packera eurycephala var. eurycephala Christopher Davidson 1975-6-4 2592 Modoc 0.4 mi. E of Hwy 395 on Hwy 299 towards Cedarville. 1379 Comment
  CHSC70718  Packera pseudaurea var. pseudaurea A. Sanger 1997-6-11 2567 Modoc Tri-tip meadow to the west of road where it runs north to south, at old beaver dam site. 1511 Comment
  CAS-BOT-BC190773  Paeonia brownii K. Paulson; Robert Paulson 1988-6-11 36 Modoc W bank of Stough Reservoir, Warner Mts.. 1524 Comment
  CAS-BOT-BC190776  Paeonia brownii Bruce Bartholomew 1992-5-16 6333 Modoc NW side of Sweagert Flat. 1850 Comment
  CAS-BOT-BC190778  Paeonia brownii E. S. Willits 1940-5-4 211 Modoc Willow Ranch. Comment
  RSA59974  Paeonia brownii E. K. Balls 1950-5-13 14674 Modoc West of Goose Lake, 0.2 mile S of Oregon-California state line 1463 Comment
  CAS-BOT-BC190779  Paeonia brownii John H. Hatton 1911-6-10 18 Modoc Modoc County. 1786 Comment
  RSA281693  Paeonia brownii S. O. Mattoon 1979-7-13 95 Modoc Patterson Meadows at Patterson G. S., S. Warner Mountains 22 air miles east of Highway 395 at Likely 2195 Comment
  UC9353  Paeonia brownii Milo S. Baker 1893-6-1 Modoc Comment
  JEPS9615  Paxistima myrsinites L. S. Smith 1922-5-28 1246 Modoc below ridge Happy Camp Mt.; Modoc Forest, Happy Camp Mt. 1676 Comment
  RSA401926  Pedicularis attollens George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains. 2439 Comment
  UC27300  Pedicularis attollens Milo S. Baker 1893-7-30 Modoc Comment
  POM203786  Pedicularis groenlandica J. T. Howell 1934-6-14 12140 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC232301  Pedicularis groenlandica subsp. surrecta Francis Dorris Payne 1929-7-7 66 Modoc Pine Creek Basin, Warner Mountains 2316 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
  UCSC002899  Pellaea brachyptera W. Doyle 1975-6-21 s.n. Modoc Rock outcrop above mine, east exposure Bidwell Creek Rd. Comment
  UCR34757  Penstemon davidsonii J. A. Harpel 1981-8-6 V 42 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC1594766  Penstemon davidsonii var. davidsonii David Charlet 1988-8-12 153 Modoc Warner Peak South Warner Mountains 2956 Comment
  CAS-BOT-BC232372  Penstemon deustus var. pedicellatus Elmer Ivan Applegate 1932-8-2 8070 Modoc Mill Creek Meadows. Comment
  JEPS11228  Penstemon deustus var. pedicellatus Milo S. Baker 1893-7-24 25 Modoc near, sw Forestdale (Lava Beds); near Forestdale, sw, Lava Beds Comment
  CAS-BOT-BC232334  Penstemon deustus var. pedicellatus C. C. (Mrs.) Bruce 1899-1-1 2206 Modoc Mt. Comment
  NY600762  Penstemon gracilentus M. S. Baker 06 1893 s.n. Modoc Comment
  NY601604  Penstemon heterodoxus var. shastensis J. D. Jokerst 1987-5-12 2848 Modoc Ca. 4 miles south of Doublehead Mountain, east of Highway 139, northwest of Canby Comment
  SEINET10444506  Penstemon janishiae K. Paulson, R. Paulson 1988-1 21 Modoc Barnes Grade, Crowder Flat Road to Devil's Garden. 1433 Comment
  SBBG30600  Penstemon laetus D. Myrick 1968-6-20 1965 Modoc Cedar Pass Rd, St Hwy 299, 10 mi E of Alturas 1371 Comment
  CAS-BOT-BC497316  Penstemon laetus subsp. roezlii Belknap C. Goldsmith 1912-8-6 86 Modoc West side of Goose Lake 1463 Comment
  CAS-BOT-BC245515  Penstemon laetus var. sagittatus Milo Samuel Baker 1936-6-14 8317 Modoc Quarantine Station, on Hwy from Marlin to Canby. Comment
  CAS-BOT-BC245510  Penstemon procerus var. procerus Bruce Bartholomew 1995-8-1 7148 Modoc Headwater of Schadler Ditch just NE of Bidwell Mtn., E side of the Warner Mountains. 2110 Comment
  CAS-BOT-BC232512  Penstemon roezlii Francis Whittier Pennell 1940-6-7 25728 Modoc Route 299, 4 mi. NE of Adin. 1341 Comment
  JEPS126555  Penstemon roezlii Lowell Ahart, John Dittes 2016-6-6 20944 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  NY650098  Penstemon roezlii M. J. Williams 1988-6-2 8828- 7 Modoc Jess Valley, east of Likely, south of roadside rest Comment
  POM260364  Penstemon roezlii C. Leo Hitchcock 1940-5-28 6719 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  SFV3436  Penstemon roezlii I. L. Wiggins, D. B. Wiggins 1961-6-12 16369 Modoc Warner Mountains Gentle, grassy slope at junction of Cedar Pass Road with California Highway 299. 5.5 miles north of Alturas. 1370 Comment
  NY650113  Penstemon roezlii F. W. Pennell 1940-6-7 25734 Modoc Upper valley of Rush Creek, northeast of Adin 1585.0 Comment
  NY650138  Penstemon roezlii A. A. Heller 1941-6-25 16200 Modoc On the elevated sagebrush plain west of the ascent to Cedar Pass Comment
  NY650142  Penstemon roezlii M. S. Baker 06 1893 s.n. Modoc Comment
  UC619260  Penstemon roezlii J. and H. W. Grinnell 1938-6-16 1108 Modoc Cedar Pass summit Warner Mountains, Cedar Pass summit 1935 Comment
  UC690360  Penstemon roezlii Milo S. Baker 1936-7-14 8340 Modoc about 2 mi w Cedar Pass Camp (along old road to Alturas); Warner Mts., w of Cedar Pass Camp Comment
  UC727339  Penstemon roezlii Elmer I. Applegate 1929-6-24 5886 Modoc along Pitt River above Adin; along Pitt River Comment
  UC748151  Penstemon roezlii Annie M. Alexander and Louise Kellogg 1946-6-17 4788 Modoc 10 mi ne Alturas (in open plain); Cedar Pass road, ne of Alturas Comment
  CAS-BOT-BC238448  Penstemon rydbergii var. oreocharis Mrs. H. C. Cantelow 1940-6-2 s.n. Modoc 10 1/2 miles n.w. of Canby Comment
  HSC20995  Penstemon rydbergii var. oreocharis M. T. Milligan 1965-6-26 314 Modoc N end Jess Valley. 1616 Comment
  JEPS3797  Penstemon rydbergii var. oreocharis N. T. Mirov 1929-6-28 Modoc Fandango Velley Fandango Valley 1584 Comment
  UC102983  Penstemon rydbergii var. oreocharis R. M. Austin Aug. 1894 300 Modoc Davis Creek 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-BC245543  Penstemon speciosus C. L. Hitchcock 1940-5-27 6666 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC245546  Penstemon speciosus Mrs. H. C. Cantelow 1940-6-1 4470 Modoc 12.5 mi. E of Alturas, road to Warner Mts. Comment
  CAS-BOT-BC245548  Penstemon speciosus K. Paulson; Robert Paulson 1989-6-14 129 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC245549  Penstemon speciosus Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc 12.5 mi. E of Alturas, road to Warner Mts. Comment
  CAS-BOT-BC245554  Penstemon speciosus Bruce Bartholomew 1990-6-18 5362 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  RSA401880  Penstemon speciosus Christopher Davidson 1975-6-4 2613 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  HSC21058  Penstemon speciosus M. T. Milligan 1964-7-1 128 Modoc 6 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  RSA31941  Penstemon speciosus A. A. Heller 1941-6-25 16204 Modoc Steep slope just below the beginning of the ascent to Cedar Pass on the Cedarville Road. Comment
  CAS-BOT-BC15707  Perideridia bolanderi subsp. bolanderi Bruce Bartholomew; Barrett Anderson 1988-6-23 4255 Modoc 4.2 km NW of Day. 1020 Comment
  HSC12269  Persicaria amphibia Richard Spjut 1970-7-20 488 Modoc 4 mi. W of Davis Creek 1418 Comment
  UC735086  Phacelia Lincoln Constance 1946-7-4 3106 Modoc 1.5 mi below summit; Warner Mountains, Deep Creek 1981 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
  UC748111  Phacelia hastata Annie M. Alexander and Louise Kellogg 1946-6-30 4870 Modoc Highgrade north end of Warner Mountains (w side of ridge) 2377 Comment
  CAS-BOT-BC179263  Phacelia hastata subsp. hastata Bruce Bartholomew; Barrett Anderson 1990-7-20 5480 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC179266  Phacelia hastata subsp. hastata Lawrence Ray Heckard 1952-6-19 316 Modoc Ca. 7 mi. N of Alturas along Hwy 395. 1341 Comment
  CAS-BOT-BC95633  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
  HSC13654  Phacelia heterophylla subsp. virgata R. C. Wunner 1965-6-13 175 Modoc Lava Beds National Monument, Indian Well Headquaters 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
  UC1051773  Phacelia heterophylla subsp. virgata L. R. Heckard 1952-6-19 312 Modoc just below summit of Fandango Pass (sw of Fort Bidwell); Warner Mountains 1828 Comment
  CAS-BOT-BC179972  Phacelia humilis var. humilis M. M. Hanna 1956-6-5 s.n. Modoc Cedar Pass Camp ground. Comment
  CAS-BOT-BC179999  Phacelia humilis var. humilis Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass Summit. Comment
  CAS-BOT-BC179964  Phacelia linearis John Thomas Howell 1934-6-30 12256 Modoc Duncan Horse Camp. 1355 Comment
  SEINET3158188  Phacelia linearis M. S. Baker 1899-1 sn Modoc Forestdale Comment
  RSA428040  Phacelia linearis George Willet 1935-6-12 s.n. Modoc Warner Mountains. 2287 Comment
  RSA518817  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  UC748442  Phacelia linearis Annie M. Alexander and Louise Kellogg 1946-6-18 4796 Modoc open ground Patterson Mill-Silver Creek roads 1828 Comment
  CAS-BOT-BC179934  Phacelia ramosissima var. eremophila Annie Montague Alexander; L. Kellogg 1946-7-24 5066 Modoc Trail to Emerson Camp, Bear Camp Flat. Comment
  RSA165575  Phacelia ramosissima var. eremophila Clare B. Hardham 1961-6-20 7872 Modoc Pine Creek Canyon. 1677 Comment
  POM301682  Phacelia ramosissima var. ramosissima Marion Ownbey, Fred G. Meyer 1940-7-1 2156 Modoc Cedar Peak, Warner Mountains. Comment
  CAS-BOT-BC179924  Phacelia tetramera Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6463 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  NY1056749  Phacelia tetramera E. Palmer 1995-6-2 6936 Modoc 6.4 km east of Eagleville, south end of Surprise Valley 1380 Comment
  CAS-BOT-BC179917  Phacelia thermalis Alice Eastwood; John Thomas Howell 1940-6-15 8287 Modoc 9 mi. N of Lookout. Comment
  JEPS83791  Phacelia thermalis Dean Wm. Taylor with Robert A. Price 1988-6-4 9761 Modoc ca 2.6 mi S10 deg e Casuse Mountain; Modoc Plateau, Tule Lake 15' quadrangle, Tule Lake Basin, Do 1280 Comment
  OBI48669  Phacelia thermalis Lewis S. Rose 1940-6-12 40537 Modoc 10 mi S of Alturas 1341 Comment
  SJSU9586  Phacelia thermalis W. Savage 1979-7-5 1350 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1304164  Phacelia thermalis Edward J. O'Neill 1962-6-22 360 Modoc U-peninsula Klamath Basin National Wildlife Refuges, Clear Lake Refuge 1249 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
  UCD88512  Phalaris arundinacea G. F. Hrusa; T. D. Wilfred 1996-7-21 13322 Modoc Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mountain. N end of Big Valley. 1500 Comment
  HSC31351  Phleum alpinum D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19342 Modoc Soup Springs Campground Comment
  CAS-BOT-BC247594  Phleum pratense Bruce Bartholomew; Barrett Anderson 1988-7-22 4510 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  UCR29795  Phlox J. A. Harpel 1981-8-7 V- 57 Modoc Warner Mtns, South Warner Wilderness Area: on the pass above Patterson Lake along the Summit trail, 7 mi NW of Eagleville 2774 Comment
  CAS-BOT-BC197943  Phlox diffusa Annie Montague Alexander; L. Kellogg 1946-6-5 4669 Modoc Emerson Creek, S of Eagleville. 1889 Comment
  CAS-BOT-BC197946  Phlox diffusa Robert Patterson; Mona Bourell 1993-8-14 5221 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC197954  Phlox diffusa Edward Kent Balls 1950-5-18 14748 Modoc Above Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1828 Comment
  JEPS69975  Phlox diffusa Frances D. Payne 1929-6-21 16 Modoc s and e of Alturas; Warner Mountains, Parker 1584 Comment
  JEPS3969  Phlox douglasii subsp. rigida N. T. Mirov 1929-5-30 Modoc e of Goose Lake (w of Fandango Valley); Warner Mountains, Buck Creek 1584 Comment
  UC71715  Phlox gracilis Mrs. M. H. Manning Apr 1903 64 Modoc near Fort Bidwell (ne Modoc County) Comment
  CAS-BOT-BC197893  Phlox hoodii subsp. canescens Bruce Bartholomew 1991-5-25 5753 Modoc Ca. 6 km NW of Tionesta on road to Lava Beds National Monument. 1310 Comment
  CHSC42150  Phlox hoodii subsp. canescens C. E. Leaver 1986-3-16 Modoc Ca. 10.5 mi ne of Alturas and 0.3 mi sw of Gleason Ck. 1341 Comment
  UCR247926  Phlox hoodii subsp. canescens J. R. Keck Jr., Wright 1991-5-30 PDR 725210 Modoc Tionesta, Modoc National Forest 1311 Comment
  HSC17189  Phlox hoodii subsp. lanata M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir Comment
  SEINET7073581  Phlox pulvinata 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-BC197864  Phlox stansburyi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6482 Modoc 5.6 km N of State Hwy 299 on Crowder Flat Road. 1580 Comment
  CAS-BOT-BC197872  Phlox stansburyi Bruce Bartholomew 1991-5-24 5727 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  HSC45811  Phlox stansburyi J. P. Smith, J. O. Sawyer 1972-5-6 5269 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  UC190622  Phlox stansburyi M. F. Gilman 668 Modoc 1676 Comment
  CHSC118079  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-18 12052 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  CAS-BOT-BC374925  Phoenicaulis cheiranthoides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16432 Modoc Near summit of Cedar Pass. 1920 Comment
  CAS-BOT-BC58581  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1932-7-9 7592 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  JEPS15392  Phoenicaulis cheiranthoides Franklin P. Nutting 1892-8-15 Modoc Forestdale Comment
  POM260187  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA59938  Phoenicaulis cheiranthoides E. K. Balls 1950-5-12 14646 Modoc About Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1707 Comment
  CAS-BOT-BC134911  Phoradendron bolleanum Paul F. Covel 1939-8-13 1622 Modoc Lava Beds Nat. Mon. at hdqtrs. Comment
  CAS-BOT-BC245224  Phoradendron juniperinum K. Paulson; Robert Paulson 1991-5-25 218 Modoc Householder Reservoir. 1639 Comment
  JEPS127204  Pilularia americana Lowell Ahart, John Dittes 2016-6-6 20956 Modoc About one mile south the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC478168  Pinus albicaulis John Thomas Howell 1934-6-14 12109 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  UCR26028  Pinus albicaulis J. R. Haller 1978-7-19 3443 Modoc Warner Mtns., Summit ridge of Warner Mtns, 1 km north of the Eagleville(?) Road. 2378 Comment
  CAS-BOT-BC30160  Pinus contorta subsp. murrayana Belknap C. Goldsmith 1911-6-14 30 Modoc North Fork Davis Creek, W slope Warner Mts. 1889 Comment
  CAS-BOT-BC73238  Pinus contorta subsp. murrayana Mrs. R. M. Austin 1895-8-1 261 Modoc Goose Lake, Tamaracks Comment
  HSC46343  Pinus contorta var. murrayana J. P. Smith, J. O. Sawyer 1973-8-8 7251 Modoc 1.5 mi. N of Patterson Guard Station on Summit Trail, S Warner Wilderness 2439 Comment
  CAS-BOT-BC73021  Pinus monticola Elmer I. Applegate 1932-7-9 7568 Modoc Northwest slope of Bidwell Mountain, Warner Mountains. 2560 Comment
  NY61944  Pinus monticola F. M. Ownbey 1940-7-1 2153 Modoc This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET191397  Pinus monticola M. Ownbey, FG Meyer 1940-7-1 2153 Modoc Near summit of Clear Peak Warner Mountains Comment
  HSC80916  Pinus ponderosa G. M. Riegel 1979-8-23 700 Modoc S Warner Mtns. 1670 Comment
  NY60273  Pinus washoensis B. M. Bartholomew 1994-7-2 6821 Modoc Just north of South Fork of Davis Creek near the crest of the Warner Mountains 2300 Comment
  NY63477  Pinus washoensis B. M. Bartholomew 1990-8-5 5664 Modoc Summit Trail, ca. 2 km. north of Patterson Ranger Station, west side of Warner Mountains 2400 Comment
  SEINET5323925  Pinus washoensis D. A. Charlet, Terri Charlet 1996-7-1 2285 Modoc South Warner Mtns., ca. 1 road mile E of Patterson Guard Station; above East Creek. 2213 Comment
  UCR29777  Pinus washoensis J. A. Harpel 1981-8-9 V 61 Modoc Warner Mtns., Homestead Flat in the vicinity of Patterson Guard Station Comment
  UC1483829  Piperia unalascensis G. Schoolcraft 1980-7-22 324 Modoc w of Lake City (about halfway up Lake City Canyon); Lake City Canyon 1889 Comment
  UC71858  Piperia unalascensis Mrs. M. H. Manning 1903-7-9 41 Modoc Warner Range, ne Modoc County Warner Range 1828 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
  UCD120787  Plagiobothrys cognatus Herbert L. Mason; Verne Grant 1947-7-12 13408 Modoc Vernal pool; west side of the South Fork of Pit River Valley, southwest of Alturas. Comment
  UCD120801  Plagiobothrys cusickii Herbert L. Mason; Verne Grant 1947-7-12 13415 Modoc Near south end of west side road, Pit River Valley, south of Alturas. Comment
  UC1037248  Plagiobothrys cusickii Leo Whitney 1930-7-21 3566 Modoc Pit River Comment
  CAS-BOT-BC58790  Plagiobothrys leptocladus Annie Montague Alexander; L. Kellogg 1946-6-7 4675 Modoc 2 mi. E of Cedarville. 1453 Comment
  UCD120859  Plagiobothrys mollis Herbert L. Mason; Verne Grant 1947-7-12 13395 Modoc By Jones' Lane, off Highway 395, several miles south of Alturas. Comment
  CAS-BOT-BC58797  Plagiobothrys mollis var. mollis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16523 Modoc Near Cloverswale Creek, 4.8 mi. NE of Canby. Comment
  CAS-BOT-BC58800  Plagiobothrys mollis var. mollis K. Paulson; Robert Paulson 1989-7-2 157 Modoc Vicinity of Craig Spring, ca. 2 mi. NE of Happy Camp. 1447 Comment
  CHSC66294  Plagiobothrys mollis var. mollis Vernon H. Oswald 1996-6-27 7903 Modoc Modoc Plateau. Dorris Reservoir, Modoc National Wildlife Refuge, ca. 3 mi E of Alturas. 1335 Comment
  CAS-BOT-BC248342  Plagiobothrys nitens B. Bartholomew; H. Sun 2002-6-24 8825 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  CAS-BOT-BC58760  Plagiobothrys scouleri John Thomas Howell 1934-7-2 12360 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  RSA164362  Plagiobothrys scouleri var. hispidulus Clare B. Hardham 1961-6-17 7518 Modoc Cedar Pass Camp Ground, Warner Mountains Comment
  CAS-BOT-BC58767  Plagiobothrys stipitatus var. micranthus Herbert Louis Mason; Verne Grant 1947-7-12 13410 Modoc W side of Pit River Valley, S of Alturas. Comment
  POM312571  Plagiobothrys stipitatus var. micranthus H. L. Mason, Verne Grant 1947-7-12 13410 Modoc West side of Pit River Valley S of Alturas. Comment
  JEPS127303  Plantago major Lowell Ahart, John Dittes 2016-7-14 21184 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  RSA210876  Plantago major Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39121 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CHSC30589  Platanthera leucostachys P. V. Caldwell 1972-7-1 261 Modoc 100 yds from base camp at Patterson Meadows campgrounds entrance to Warner Mtns. Trail. Comment
  CHSC85117  Plectritis macrocera John Dittes; Josephine Guardino 1991-7-21 418 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
  UCR87264  Plectritis macrocera George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 35.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  RSA101374  Plectritis macrocera subsp. grayi R. Weatherby 1955-7-8 1640 Modoc 3 mi. north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  RSA296258  Plectritis macrocera subsp. grayi R. M. Austin 1895-05 415 Modoc Goose Lake. Comment
  SEINET195478  Pleiacanthus spinosus Annie M. Alexander, Louise Kellogg 1946-7-5 5910 Modoc Lava Cliff west Lower Lake Comment
  RSA14101  Poa Elmer I. Applegate 1927-4-24 5004 Modoc Modoc Battle Ground; Modoc Lava Beds Comment
  CAS-BOT-BC247577  Poa X limosa John Thomas Howell 1934-7-1 12346 Modoc Duncan Horse Camp. Comment
  UC1024974  Poa annua Leo Whitney 1935-7-6 3428 Modoc Crank Springs Comment
  UC70659  Poa annua Mrs. M. H. Manning 1904-7-7 420 Modoc ne Modoc Co Comment
  RSA534588  Poa nervosa Bruce Bartholomew, B. Anderson 1990-7-20 5544 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  HSC38840  Poa palustris J. P. Smith, J. O. Sawyer 1973-8-9 7277 Modoc Blue Lake, Modoc National Forest 1829 Comment
Read comments
Jul 11 2013
  RSA534587  Poa pratensis Bruce Bartholomew, B. Anderson 1990-7-21 5580 Modoc Homestead Flat, ca. 2.5 km E. of Patterson Ranger Station, E. side of Warner Mts. 2160 Comment
  UCD91824  Poa pratensis A. A. Beetle 1941-6-29 2822 Modoc 15 miles east of Alturas, road to Cedarville Pass. 1371 Comment
  UCD91979  Poa pratensis L. Whitney 1935-5-21 s.n. Modoc Hackamore Reservoir. Comment
  CAS-BOT-BC247615  Poa pratensis subsp. pratensis Bruce Bartholomew 1990-8-5 5672 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  SJSU2088  Poa pratensis subsp. pratensis J. W. Tilden 1958-6-26 1274 Modoc W side of Cedar Pass between Alturas & Cedarville, Warner Mts 1828 Comment
  UC1024850  Poa pratensis subsp. pratensis Leo Whitney 1935-6-9 3199 Modoc White Horse lake (Flat) near White Horse Comment
  UC1100400  Poa pratensis subsp. pratensis Verne Grant and Irving Schneider 1947-7-22 8151 Modoc on dirt rd leading to s end of Goose Lake (headwaters of North Fork of Pit River, 1 mi nw of Hwy 395) Comment
  SEINET191662 Image available Poa secunda C. L. Hitchcock 1940-5-27 6732 Modoc 12 miles northeast of Alturas. 1615 Comment
  UC1100380  Poa secunda subsp. juncifolia Herbert L. Mason, Malcolm A. Nobs, and S. Galen Smith 1949-5-29 765 Modoc 2 mi e Adin Comment
  UCD92166  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-6 2085 Modoc 4 miles N of Likely, along US Hwy 395. Comment
  JEPS70660  Poa secunda subsp. secunda L. S. Smith 1917-7-2 56 Modoc head of Shields Creek; Warner Mts 2331 Comment
  JEPS75401  Poa secunda subsp. secunda Frances D. Payne 1932-6-24 566 Modoc s and e Alturas (Parker Creek); Warner Mts 1584 Comment
  UC1024904  Poa secunda subsp. secunda Leo Whitney 1935-5-21 3110 Modoc ca 15 mi nw Canby (Hackamore); Modoc Nat'l Forest 1463 Comment
  UCD32705  Poa secunda subsp. secunda Beecher Crampton 1954-7-7 2131 Modoc W side of Cedar Pass, Warner Mountains. 1889 Comment
  CAS-BOT-BC247654  Poa wheeleri Bruce Bartholomew 1990-6-16 5271 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  CAS-BOT-BC252518  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5464 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC252519  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1988-5-12 4125 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  CAS-BOT-BC252521  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5544 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  CAS-BOT-BC252522  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1989-6-1 4767 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  CAS-BOT-BC179346  Pogogyne floribunda James D. Jokerst 1987-6-23 2930 Modoc Ca. 2 mi. SW of Doublehead Mountain. Comment
  CAS-BOT-BC179348  Pogogyne floribunda Bruce Bartholomew 1995-6-24 7019 Modoc 24.8 km E of County Road 114 on County Road 108, N of Clear Lake Reservoir. 1360 Comment
  CAS-BOT-BC179349  Pogogyne floribunda Bruce Bartholomew 1995-6-4 6965 Modoc 6.3 km NW of Country Road 91 on County Road 93 between Lookout and Egg Lake. 1260 Comment
  SD149136  Pogogyne floribunda B. Bartholomew 1991-7-5 5932 Modoc Cow Head Tank, ca. 6.0 km northwest of Dorris Brothers Reservoir. 1520 Comment
  SEINET4853913  Pogogyne floribunda Louis C. Wheeler 1935-8-25 76793 Modoc Modoc NF: Rim Rock Valley, Devil's Garden. 1524 Comment
  CDA25324  Polanisia dodecandra subsp. trachysperma J. Elliott 1975-7-22 103 Modoc In excavation site beside Highway 81, 13 km south of Cedarville. 0 Comment
  CAS-BOT-BC232871  Polemonium Ethel S. Willits 1940-5-6 223 Modoc Near Lassen Creek, Willow Ranch 1371 Comment
  UC1735999  Polemonium pulcherrimum subsp. pulcherrimum Dean W. Taylor 1990-6-25 11165 Modoc Cedar Pass, growing on steep cliffs of volcanic breccia, northerly slopes of Peak 7298 2148 Comment
  RSA523874  Polyctenium fremontii Barbara Ertter 1988-6-18 7617 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  CAS-BOT-BC58324  Polyctenium fremontii var. fremontii Alice Eastwood; John Thomas Howell 1940-6-15 8275 Modoc Near Perez. Comment
  UCD100000  Polygonum aviculare subsp. depressum Verne Grant; Irving Schneider 1947-7-18 8043 Modoc Eastside canal, 5 miles north of Bayley's bridge, south of Alturas. Comment
  CDA2802  Polygonum convolvulus T. C. Fuller 1958-7-8 2019 Modoc Davis Creek. 0 Comment
  CAS-BOT-BC218143  Polygonum douglasii John Thomas Howell 1934-7-1 12317 Modoc Duncan Horse Camp. 1355 Comment
  CHSC112815  Polygonum douglasii Lowell Ahart; John Dittes 2013-7-25 18964 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
  UC526134  Polygonum douglasii subsp. douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp Comment
  RSA0005196  Polygonum esotericum Louis C. Wheeler 1935-8-25 3918 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  UC1101142  Polygonum lapathifolium Herbert L. Mason 1947-8-8 13466 Modoc nw Alturas (sw margin of reservoir); Big Sage Reservoir Comment
  CHSC67587  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3216 Modoc SE of Clear Lake Reservoir on a dry meadow edge at the headwaters of Mowitz Creek, ca. 0.66 mi E of Red Lake. Comment
  UC1025105  Polygonum polygaloides subsp. confertiflorum Leo Whitney 1934-5-25 1963 Modoc dry creek bed near Hockamore; Modoc National Forest 1463 Comment
  UCR124266  Polygonum polygaloides subsp. confertiflorum L. C. Wheeler 1973-8-22 s.n. Modoc Devils Garden; c. 1/4 mile southwest of Big Sage Reservoir 1497 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
  CHSC67591  Polygonum polygaloides subsp. esotericum James D. Jokerst 1990-8-2 3215 Modoc S of Hwy. 139 NW of Canby, 4.7 mi W of junction with Loveness Rd. 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
  UC1060644  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1957-7-6 14276 Modoc w Goose Lake; Rim Rock Comment
  UCD77950  Polygonum polygaloides subsp. kelloggii Robert E. Preston 2000-6-1 1359 Modoc Modoc Plateau, along Hwy 139, ca. 3 mi e of Forest Service Road 44N11. 1490 Comment
  NY407626  Polygonum sawatchense B. M. Bartholomew 1989-6-2 4781 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  UC1191247  Polygonum sawatchense subsp. oblivium Herbert L. Mason and Verne Grant 1947-7-9 13309 Modoc Cedar Pass Warner Range (summit of range) 1920 Comment
  RSA334868  Polygonum sawatchense subsp. sawatchense A. Tiehm 1984-6-30 8841 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  CAS-BOT-BC218146  Polygonum spergulariiforme John Thomas Howell 1934-7-1 12326 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC218148  Polygonum spergulariiforme Louis Cutter Wheeler 1935-8-26 3922 Modoc Mud Lake, Devil's Garden. 1524 Comment
  CAS-BOT-BC218149  Polygonum spergulariiforme Alice Eastwood; John Thomas Howell 1940-6-15 8289 Modoc 9 mi. N of Lookout. Comment
  POM203795  Polygonum spergulariiforme J. T. Howell 1934-7-1 12326 Modoc Duncan Horse Camp. Comment
  SJSU8858  Polygonum spergulariiforme J. W. Tilden 1958-6-26 1268 Modoc W side Cedar Pass near rd between Alturas & Cedarville 1828 Comment
  UC71755  Populus tremuloides Mrs. M. H. Manning 1903-4 72 Modoc near Fort Bidwell (ne Modoc County); near Fort Bidwell Comment
  CAS-BOT-BC225108  Populus trichocarpa Elmer Ivan Applegate 1932-7-6 8207 Modoc Bidwell Creek, above Ft. Bidwell, Warner Mts. Comment
  CAS-BOT-BC225109  Populus trichocarpa Edward Kent Balls 1950-5-11 14610 Modoc West off Middle Lake, between Eagleville and Cedarville. 1432 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-BC242241  Potamogeton foliosus Verne Grant; I. Schneider 1947-7-22 8153 Modoc Headwaters of North Fork of Pit River, 1 mi. NW of Hwy 395 on dirt road leading to S end of Goose Lake. Comment
  POM312996  Potamogeton foliosus Verne Grant, Irving Schneider 1947-7-22 8153 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
  RSA210807  Potamogeton foliosus Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39095 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC242235  Potamogeton natans Louis Cutter Wheeler 1935-9-11 3973 Modoc Fletcher Creek, Devia's Garden. 1524 Comment
  CAS-BOT-BC242230  Potamogeton nodosus Robert Folger Thorne; et al 1969-9-4 39129 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  RSA0011552  Potamogeton nodosus Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46967 Modoc Ca. 3.4 miles north of Alturas at bridge over North Fork of Pit River 1341 Comment
  UC1051443  Potamogeton striatus Herbert L. Mason 1955-8-14 14648 Modoc s. end Goose Lake Comment
  UC1099850  Potamogeton striatus Herbert L. Mason 1947-8-15 13540 Modoc e. side Goose Lake (mouth of Crane Creek on Willow Ranch) Comment
  CAS-BOT-BC214737  Potentilla biennis Bruce Bartholomew 1991-7-6 5981 Modoc W side of Egg Lake between the lava beds and Egg Lake. 1300 Comment
  JEPS123851  Potentilla biennis Lowell Ahart, John Dittes 2015-7-17 20403 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
  RSA59518  Potentilla biennis E. K. Balls 1950-5-21 14823 Modoc Along roadside ditch just above South Fork Camp, likely to Jess Valley 1433 Comment
  UC639572  Potentilla drummondii subsp. bruceae Frances D. Payne 1931-6-25 251 Modoc Pine Creek Basin Warner Mountains, Pine Creek Basin 2316 Comment
  CAS-BOT-BC214776  Potentilla gracilis John Thomas Howell 1934-7-1 12306 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC214778  Potentilla gracilis John Thomas Howell 1934-7-1 12303 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC214779  Potentilla gracilis John Thomas Howell 1934-6-12 12029 Modoc Plum Valley, Warner Mts. Comment
  CAS-BOT-BC214785  Potentilla gracilis Bruce Bartholomew; Barrett Anderson 1989-6-3 4860 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC214791  Potentilla gracilis Annie Montague Alexander; L. Kellogg 1946-6-12 4732 Modoc Fort Bidwell. 1444 Comment
  CAS-BOT-BC214792  Potentilla gracilis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 37 Modoc Parker Creek at Modoc Nat. Forest. Comment
  UCD113859  Potentilla gracilis Verne Grant; Irving Schneider 1947-7-19 8073 Modoc Williams ranch; along Souhern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. Comment
  CAS-BOT-BC214773  Potentilla gracilis John H. Hatton 1911-6-22 142 Modoc Modoc County. 1615 Comment
  JEPS47213  Potentilla gracilis var. fastigiata Frances D. Payne 1931-6-17 182 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC143310  Potentilla newberryi L. D. Whitney 1935-7-29 3595 Modoc Near west end of Clear Lake Comment
  CAS-BOT-BC179343  Prunella vulgaris Bruce Bartholomew 1989-7-14 4974 Modoc Cedar Spring. 1480 Comment
  HSC14305  Prunella vulgaris M. T. Milligan 1964-7-20 148 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  UC1548049  Prunus emarginata H. and H. Doppelbaur 1965-8-20 15694 Modoc Davis Creek n of Alturas; Davis Creek Comment
  CAS-BOT-BC214817  Prunus subcordata Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10621 Modoc Summit of Fandango Pass, Modoc National Forest 1889 Comment
  CAS-BOT-BC214824  Prunus subcordata A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill, NE of Davis Creek. Comment
  UC12816  Prunus subcordata Mrs. R. M. Austin and Bruce June 1898 23434 Modoc Comment
  UC555686  Prunus virginiana var. demissa F. H. Frost 1926-7-11 29 Modoc Cedar Canyon, campsite Cedar Canyon; Warner Mountains, Cedar Canyon Comment
  UC748476  Prunus virginiana var. demissa Annie M. Alexander and Louise Kellogg 1946-6-9 4706 Modoc Mouth of Eagle Creek Canyon, Warner Mountains Eagle Creek Canyon; Warner Mountains, Eagle Creek Canyon Comment
  UC1037279  Pseudognaphalium thermale Leo Whitney 1934-8-2 1746 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UCD91509  Pseudoroegneria spicata J. C. Hayes 1935-6-25 s.n. Modoc Alturas. 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-BC95221  Pseudostellaria jamesiana Annie Montague Alexander; L. Kellogg 1946-6-12 4899 Modoc Bidwell Creek Canyon, 7 mi. W of Fort Bidwell. 1444 Comment
  CHSC30639  Pseudostellaria jamesiana NEH Prouty 1980-7-1 191 Modoc Modoc National Forest, Warner Mt. District. Bear Flat T. S. Throughout Pinus ponderosa and Abies concolor forest on western rim above Soup Creek drainage. 1889 Comment
  HSC80708  Pseudostellaria jamesiana G. M. Riegel 1979-7-27 604 Modoc S Warner Mtns. 1670 Comment
  UC1037304  Pseudostellaria jamesiana Leo Whitney 1934-5-5 1607 Modoc 15 mi w Canby (Happy Camp); Modoc National Forest, Happy Camp 1463 Comment
  UC711879  Pseudostellaria jamesiana Roxana S. Ferris and Laura Lorraine 1941-8-13 10513 Modoc Patterson Ranger Station (East Creek drainage) Warner Mts., Modoc National Forest (Modoc National Forest, Warner Mts.) 2164 Comment
  CAS-BOT-BC95682  Pterospora andromedea Bruce Bartholomew; Barrett Anderson 1990-7-21 5591 Modoc Bear Flat, W side of Warner Mts. Ranger Station, er Station, E side of Warner Mts. 1830 Comment
  CAS-BOT-BC95683  Pterospora andromedea Bruce Bartholomew; Barrett Anderson 1988-7-21 4436 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  UC748233  Pterospora andromedea Annie M. Alexander and Louise Kellogg 1946-8-10 5150 Modoc 1/2 mi beyond Porter Reserve road; Warner Mountains Comment
  RSA325278  Puccinellia nuttalliana A. Tiehm, Gary Schoolcraft, Jan Nachlinger 1984-6-24 8800 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville. 1357 Comment
  UCD32738  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2191 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD32740  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2193 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD32742  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2195 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  CAS-BOT-BC218225  Purshia tridentata var. tridentata A. D. Borden 1911-6-15 Modoc S slope of Davis Creek. Comment
  CAS-BOT-BC218230  Purshia tridentata var. tridentata Doris K. Kildale 1927-9-11 2775 Modoc Near Alturas. 1371 Comment
  CAS-BOT-BC218241  Purshia tridentata var. tridentata John H. Hatton 1911-6-10 20 Modoc Modoc County. 1524 Comment
  UC12419  Purshia tridentata var. tridentata Milo S. Baker 1893-6 Modoc Comment
  HSC80765  Pyrola dentata G. M. Riegel 1980-8-12 1039 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC95686  Pyrola picta Annie Montague Alexander; L. Kellogg 1946-7-14 5068 Modoc Trail to Emerson Camp, Bear Camp Flat, Warner Mts. Comment
  CAS-BOT-BC95695  Pyrola picta Bruce Bartholomew; Barrett Anderson 1988-7-21 4408 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC50390  Pyrrocoma carthamoides var. cusickii Alice Eastwood; John Thomas Howell 1940-6-14 8200 Modoc Near Kelly Hot Spring. Comment
  CAS-BOT-BC50397  Pyrrocoma carthamoides var. cusickii Louis Cutter Wheeler 1935-8-12 3827 Modoc Cotonwood Creek, Warner Mts. 1676 Comment
  JEPS5940  Pyrrocoma carthamoides var. cusickii Frances D. Payne 1932-7-22 730 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 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-BC50360  Raillardella argentea Francis Dorris Payne 1929-7-26 132 Modoc Mt. Warren, Warner Mountains 2743 Comment
  HSC67928  Raillardella argentea J. P. Smith, J. O. Sawyer 1973-8-8 7234 Modoc Near summit of Eagle Peak 2988 Comment
  UC190589  Raillardella argentea M. F. Gilman 640 Modoc Comment
  CAS-BOT-BC217298  Ranunculus alismifolius Louis Cutter Wheeler 1935-8-4 3774 Modoc Dismal Swamp, Warner Mts. 2225 Comment
  CAS-BOT-BC217300  Ranunculus alismifolius Bruce Bartholomew 1992-5-15 6303 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC217264  Ranunculus aquatilis var. aquatilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16519 Modoc On mesa 11 mi. W of Canby, along Calif. St. Highway 139. Comment
  UC827625  Ranunculus aquatilis var. capillaceus C. L. Hitchcock 1940-5-28 6721 Modoc 15 mi n Alturas (near Surprise) 1402 Comment
  JEPS60660  Ranunculus aquatilis var. capillaceus Frances D. Payne 1932-7-14 681 Modoc s and e Alturas; Warner Mountains, Parker Creek Canyon 1706 Comment
  CAS-BOT-BC217271  Ranunculus aquatilis var. diffusus Annie Montague Alexander; L. Kellogg 1946-7-7 4921 Modoc W of Lake Annie. Comment
  CAS-BOT-BC217272  Ranunculus aquatilis var. diffusus C. L. Hitchcock 1940-5-28 6721 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  CHSC99772  Ranunculus aquatilis var. diffusus Lowell Ahart; John Dittes 2008-6-22 15040 Modoc In shallow water, along a natural drainage, about 150 yards north of the road levee, in Big Valley, about 2.1 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.0 miles (air) northeast of Bieber. 1262 Comment
  RSA125296  Ranunculus aquatilis var. hispidulus Peter H. Raven 1958-6-18 13324 Modoc Small lake at eastern outskirts of lookout Post Office. Comment
  CAS-BOT-BC217234  Ranunculus cymbalaria Bruce Bartholomew 1992-5-15 6288 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  RSA0114935  Ranunculus cymbalaria Lowell Ahart, John Dittes 2013-7-24 18938 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1269 Comment
  PASA2638  Ranunculus cymbalaria Frank W. Peirson 1926-6-26 6906 Modoc Road from Alturas to Canby Comment
  RSA210877  Ranunculus cymbalaria var. saximontanus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39083 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  UC480945  Ranunculus cymbalaria var. saximontanus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains 2225 Comment
  UC748222  Ranunculus eschscholtzii var. oxynotus Annie M. Alexander and Louise Kellogg 1946-7-30 5098 Modoc Eagle Peak Warner Mountains Comment
  UC71611  Ranunculus flabellaris Mrs. M. H. Manning 1903-5-8 126 Modoc swamp near Alkali Lake (ne Modoc Co.) Comment
  UC9436  Ranunculus flammula Mrs. R. M. Austin and Bruce June 1898 35 Modoc Goose Lake Comment
  CAS-BOT-BC217202  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6438 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CAS-BOT-BC217201  Ranunculus glaberrimus var. glaberrimus Leland S. Smith 1918-3-21 915 Modoc Juniper Flats near Alturas. 1524 Comment
  CAS-BOT-BC217178  Ranunculus occidentalis Bruce Bartholomew; Barrett Anderson 1989-6-3 4885 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC217179  Ranunculus occidentalis Bruce Bartholomew; Barrett Anderson 1988-5-12 4096 Modoc White Horse. 1340 Comment
  CAS-BOT-BC217217  Ranunculus occidentalis Fred D. Douthitt 1916-4-27 8 Modoc Henderson Meadow. 1737 Comment
  SJSU10628  Ranunculus occidentalis H. L. Buckalew 1961-6-22 Modoc Stough (""Stowe"") Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 1981 Comment
  CAS-BOT-BC217176  Ranunculus occidentalis John H. Hatton 1911-6-10 23 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC217224  Ranunculus occidentalis var. dissectus Gordon H. True 1964-6-3 1448 Modoc Surprise Valley, about 5 mi. S of Cedarville. Comment
  HSC28250  Ranunculus occidentalis var. dissectus J. P. Smith, J. O. Sawyer 1972-5-6 5263 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  RSA59860  Ranunculus occidentalis var. eisenii E. K. Balls 1950-5-11 14616 Modoc 8 miles N of Lake City, W side of Upper Lake. 1402 Comment
  RSA59533  Ranunculus occidentalis var. eisenii E. K. Balls 1950-5-20 14807 Modoc 2.1 miles above S Fork Public Camp, aldong S Fork Pit River to Jess Valley 1463 Comment
  SEINET195680  Ranunculus occidentalis var. ultramontanus L. Kellogg, AM Alexander 1946-6-7 4672 Modoc 0.5 mi E of Cedarville 1453 Comment
  UC72750  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker Modoc Forestdale 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
  JEPS127296  Ranunculus sardous Lowell Ahart, John Dittes 2016-7-14 21195 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC217191  Ranunculus sceleratus Annie Montague Alexander; L. Kellogg 1946-6-7 4674 Modoc 2 mi. E of Cedarville. 1453 Comment
  UCR49699  Ranunculus sceleratus L. C. Wheeler 1935-8-3 3762 Modoc Warner Mtns, Rock Lake, Pine Creek 1921 Comment
  RSA210878  Ranunculus sceleratus var. multifidus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 s.n. Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC217155  Ranunculus testiculatus Bruce Bartholomew; Mona Bourell 1990-4-28 5201 Modoc SE corner of North Alkali Lake, Surprise Valley. 1350 Comment
  CAS-BOT-BC217167  Ranunculus uncinatus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10547 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. Modoc National Forest 2164 Comment
  CDA24361  Ranunculus uncinatus G. D. Barbe, J. Kelley 1988-7-2 4299 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 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
  RSA100044  Ranunculus uncinatus var. parviflorus R. M. Austin 1895-06 s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC225853  Ribes aureum Belknap C. Goldsmith 1910-4-25 1 Modoc Pitt River, Alturas. 1341 Comment
  CAS-BOT-BC225856  Ribes aureum John H. Hatton 1911-6-13 85 Modoc unspecified 1371 Comment
  HSC20274  Ribes aureum M. T. Milligan 1966-5-14 616 Modoc E slope of eroded volcanic plateau 1677 Comment
  UC75442  Ribes californicum Milo S. Baker 1898-4-20 627 Modoc Taylor Mt. Comment
  CAS-BOT-BC225870  Ribes cereum A. D. Borden 1911-8-9 s.n. Modoc Mall place S side of Shields Creek. Comment
  CAS-BOT-BC225886  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-6-24 4297 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  JEPS43511  Ribes cereum Frances D. Payne 1931-6-10 142 Modoc s and e Alturas (Parker Creek); Warner Mountains 1584 Comment
  NY454996  Ribes cereum B. M. Bartholomew 1988-6-24 4297 Modoc Road beyond Poison Lake ca. 8 km. south of the road from US Highway 395 to Lily Lake, Warner Mountains 2130 Comment
  POM260403  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 miles northeast of Alturas. 1616 Comment
  UCSB24065  Ribes cereum var. cereum McMinn, H. 1931-5-23 Modoc Warner Mtns; Cedarville Rd 1889 Comment
  UC1523789  Ribes roezlii Lisa Janio 1981-7-9 Modoc n Adin 1402 Comment
  CAS-BOT-BC225911  Ribes roezlii var. roezlii Bruce Bartholomew; Barrett Anderson 1989-4-27 4623 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  CAS-BOT-BC225912  Ribes roezlii var. roezlii Bruce Bartholomew; Barrett Anderson 1988-5-12 4106 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC225929  Ribes velutinum Belknap C. Goldsmith 1911-5-20 33 Modoc Sugar Hill, county road near Goose Lake. 1524 Comment
  UCD102520  Ribes velutinum Beecher Crampton; Carl Rimbey 1954-7-8 2180 Modoc Above Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  SEINET188375 Image available Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 miles northeast of Alturas 1615 Comment
  CAS-BOT-BC50367  Rigiopappus leptocladus Bruce Bartholomew 1992-5-17 6349 Modoc On abandoned dirt track, SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1300 Comment
  UC1037316  Rigiopappus leptocladus Leo Whitney 1934-5-13 1856 Modoc Devil's Garden, Timbered Mountain, ne portion Modoc County Modoc National Forest, Devil's Garden, Timbered Mountain 1524 Comment
  CAS-BOT-BC50374  Rigiopappus leptocladus John H. Hatton 1911-6-16 101 Modoc Modoc County. 1371 Comment
  UC117554  Rorippa Mrs. R. M. Austin Sept. 1894 275 Modoc Cedarville Canyon Comment
  CDA3845  Rorippa austriaca T. C. Fuller 1958-8-12 2081 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC58382  Rorippa curvisiliqua Alice Eastwood; John Thomas Howell 1940-6-12 8081 Modoc Jess Valley. 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
  SEINET11261958  Rorippa curvisiliqua Margaret J. Williams 1984-6-30 54- 80 -3 Modoc Near a reservoir 6.8 mi W of Cedarville-Gerlach road.; 0 1981 Comment
  UC10732  Rorippa curvisiliqua M. S. Baker and Frank Nutting 1894-6-6 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC218242  Rosa gymnocarpa Bruce Bartholomew 1995-7-30 7037 Modoc 0.8 km E of Day on County Road 94. 1140 Comment
  HSC19625  Rosa gymnocarpa M. G. Burgoyne 1962-4-17 1002 Modoc 12 mi. N of Cedarville on valley rd. 1372 Comment
  CAS-BOT-BC497304  Rosa gymnocarpa B. Bartholomew 1989-7-14 4931 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds 1580 Comment
  HSC59871  Rosa woodsii subsp. ultramontana J. P. Smith, J. O. Sawyer 1973-8-9 7254 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  JEPS119968  Rosa woodsii subsp. ultramontana Lowell Ahart, John Dittes 2012-7-10 18318 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
  POM89374  Rosa woodsii subsp. ultramontana R. M. Austin 1895-08 455 Modoc Goose Lake Valley Comment
  CAS-BOT-BC218257  Rosa woodsii var. ultramontana Leland S. Smith 1919-6-14 26 Modoc Deep Creek. 1524 Comment
  CAS-BOT-BC218260  Rosa woodsii var. ultramontana Elmer Ivan Applegate 1929-6-25 5904 Modoc Willow Ranch, E side of Goose Lake. Comment
  UC12904  Rosa woodsii var. ultramontana Milo S. Baker 1893-6-26 Modoc Forestdale Comment
  CAS-BOT-BC410936  Rumex acetosella J. F. Emmel 1968-7-15 82 Modoc 2 mi. E of town of Pine Creek, Warner Mts. Comment
  HSC17570  Rumex acetosella M. T. Milligan 1964-6-27 95 Modoc Old mill, Lassen Creek 1829 Comment
  UCD101327  Rumex lacustris Verne Grant; Irving Schneider 1947-8-27 8309 Modoc South end Clear Lake. Comment
  UCD101328  Rumex lacustris Herbert L. Mason; Verne Grant 1947-7-10 13336 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CAS-BOT-BC211347  Rumex lacustris Elmer Ivan Applegate 1936-5-4 10238 Modoc Lava Beds National Monument. Lake margin in Hospital Rock. Comment
  CDA23187  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  UC748314  Rumex paucifolius Annie M. Alexander and Louise Kellogg 1946-7-11 4977 Modoc mesa w Eight Mile Creek Comment
  UC1101215  Rumex salicifolius var. lacustris Verne Grant and Irving Schneider 1947-8-27 8328 Modoc s end Clear Lake Comment
  JEPS51064  Sagina saginoides W. L. Jepson 1918-8-8 7905 Modoc N. Fork Bidwell Creek Mt. Bidwell; , N. Fork Bidwell Creek 1828 Comment
  CAS-BOT-BC245201  Sagittaria cuneata Bruce Bartholomew 1991-7-5 5950 Modoc Coyote Meadow, near the Oregon border. 1580 Comment
  CAS-BOT-BC245202  Sagittaria cuneata Elmer Ivan Applegate 1929-7-29 6094 Modoc Clear Lake Dam. Comment
  CHSC32933  Sagittaria cuneata J. P. Smith; J. O. Sawyer 1973-8-9 7268 Modoc Blue Lake, Modoc National Forest. 1859 Comment
  SEINET8466591 Image available Sagittaria cuneata R. F. Thorne, C. W. Tilforth 1969-9-4 39058 Modoc 2 mi W of Davis Creek (town), S of Goose Lake. 1341 Comment
  RSA170191  Sagittaria cuneata W. L. Jepson 1918-8-5 7825 Modoc S Fork Valley. 1372 Comment
  CAS-BOT-BC225751  Salix boothii Francis Dorris Payne 1932-7-7 335 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  SD968  Salix boothii Frances D. Payne 1931-7-7 331 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas, along creek 2280 Comment
  UC492369  Salix boothii Frances D. Payne 1932-7-21 728 a Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  UC492375  Salix boothii Frances D. Payne 1932-6-21 728 c Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  SBBG28812  Salix eastwoodiae F. D. Payne 1931-7-8 177 Modoc Pine Crk Basin, ca. 33 km SE of Alturas 2280 Comment
  UC481847  Salix eastwoodiae Frances D. Payne 1931-7-8 177 a Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481868  Salix eastwoodiae Frances D. Payne 1931-7-7 333 Modoc ca. 33 km. se Alturas (below spring); Warner Mts., Pine Creek Basin 2280 Comment
  RSA0034853  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc Pine Creek Basin, Warner Mountains, about 33 km. southeast of Alturas. 2280 Comment
  CAS-BOT-BC225781  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas, in willow thicket SW end of town. 1360 Comment
  HSC31044  Salix exigua R. F. Thorne, C. W. Tilforth 1969-9-5 39142 Modoc Along S Fork of Pit River above junction with West Creek at Public Campground, 6 mi. E of Likely 1402 Comment
  JEPS114531  Salix exigua Lowell Ahart, John Dittes 2008-8-25 15310 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  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
  SBBG58876  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc Alturas, SW end of town 1300 Comment
  SBBG58877  Salix exigua Mrs. H. P. Bracelin 1931-6-30 488 Modoc Parker Crk, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  SJSU194  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc SW end of Alturas 1371 Comment
  UC481960  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
  SEINET10365301  Salix exigua E. K. Balls 1950-5-20 14793 Modoc South Fork Pit River, South Fork Public Camp. 1433 Comment
  NY187671  Salix lasiandra N. F. Bracelin 1931-6-30 497 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  CAS-BOT-BC197563  Salix lasiandra var. lasiandra Bruce Bartholomew; Barrett Anderson 1988-7-22 4548 Modoc N side of the South Fork of Davis Creek, Warner Mts.. 2100 Comment
  SD901  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc Halfway between Adin and Canby 1349 Comment
  UC481929  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby (0.1 mi. s. of Rush Creek Service Station, some distance from Rush Creek) 1350 Comment
  UC481930  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby 1350 Comment
  UC481932  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby 1350 Comment
  CAS-BOT-BC229674  Salix lasiolepis var. lasiolepis Louis Cutter Wheeler 1935-8-3 3771 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC229661  Salix lemmonii E. K. Balls 1950-5-11 14622 Modoc 4 miles south of Fort Bidwell, west of Upper Lake. 1402 Comment
  CAS-BOT-BC229697  Salix lemmonii Milo Samuel Baker 1893-6-1 s.n. Modoc Big Valley Mts. Comment
  NY187861  Salix lemmonii F. D. Payne 1931-7-7 332 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas 2280 Comment
  SJSU259  Salix lemmonii Frances Payne 1934-8-15 778 Modoc Pine Cr Basin, Warner Mts 2316 Comment
  UC481859  Salix lemmonii Frances D. Payne 1931-7-7 334 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  RSA59738  Salix lucida subsp. lasiandra E. K. Balls 1950-5-20 14794 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  SD37400  Salix lutea Mrs. H. P. Bracelin, Miss Frances D. Payne 1931-6-30 499 Modoc Perker Creek, 20 km east of Alturas, meadow south of Payne Ranch 1559 Comment
  UC481793  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); Parker Creek 1560 Comment
  CAS-BOT-BC229847  Salix melanopsis H. P. Bracelin; Francis Dorris Payne 1931-6-30 491 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  JEPS14854  Salix melanopsis Frances D. Payne 1931-6-10 140 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  NY188137  Salix pseudocordata F. D. Payne 1931-7-7 335 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas 2280 Comment
  UC481853  Salix scouleriana Frances D. Payne 1931-6-22 283 Modoc government trail from summit of Grainger Pass to Mt. Warren 2100 Comment
  POM362919  Salix scouleriana H. E. McMinn 1931-5-23 2474 Modoc [Unspecified] Comment
  CAS-BOT-BC179238  Salvia dorrii var. dorrii Lindsay Stuart Smith 1918-5-29 929 Modoc Soldier Creek. 1828 Comment
  OBI48702  Salvia dorrii var. pilosa Lewis S. Rose 1940-6-12 40522 Modoc 5 mi E of likely 1524 Comment
  UC1953386  Salvia dorrii var. pilosa Tom Schweich 1996-6-29 61 Modoc Warner Mountains; East aide of South Warner Mountains, near the mouth of North Deep Creek Canyon, 3.6 km southwest of Cedarville, CA. 1500 Comment
  CAS-BOT-BC95178  Sambucus melanocarpa Belknap C. Goldsmith 1910-7-20 13 Modoc Fandango Creek, W slope of Warner Mts. 1554 Comment
  CAS-BOT-BC238782  Sambucus nigra subsp. caerulea Roxana S. Ferris; Rena Duthie 1919-6-15 189 Modoc Parker Creek, Modoc Nat. Forest Bound. Comment
  SEINET2149926  Sambucus racemosa var. melanocarpa K. T. Harper 1974-1 142 Modoc Pine Creek, west slope of Warner Mountains. 2226 Comment
  NY1101601  Sanicula graveolens K. Paulson 1988-5-24 13 Modoc Parker Creek Road, Warner Mountains 1646 Comment
  UC1567388  Saxifraga cespitosa Gary Schoolcraft and Rick York 1989-7-16 1968 Modoc s of Patterson Lake; Warner Mountains, Eagle Lake Area 2804 Comment
  RSA565102  Saxifraga integrifolia D. W. Taylor 1992-5-7 12521 Modoc 0.5 miles E of Duncan Reservoir, on western rim of Black Canyon. 1524 Comment
  UC1583999  Saxifraga integrifolia G. Schoolcraft 1990-6-7 2083 Modoc about 12 mi ne of Alturas (near Joseph Creek) 1615 Comment
  JEPS43515  Saxifraga oregana Frances D. Payne 1929-7-7 67 Modoc 2 mi sw of Mount Warren (Pine Creek Basin, southeastern Modoc County); Pine Creek Basin 2133 Comment
  RSA503035  Saxifraga oregana Bruce Bartholomew, B. Anderson 1988-6-24 4367 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 Comment
  JEPS43513  Saxifraga oregana Frances D. Payne 1932-6-12 541 Modoc about 3 mi n of Parker Creek (e of Fern Springs, s and e of Alturas); Warner Mountains Comment
  UCD126477  Schedonorus pratensis L. Whitney 1935-6-29 3360 -b Modoc Alturas. 1463 Comment
  CAS-BOT-BC245127  Schoenoplectus americanus Bruce Bartholomew 1990-6-17 5290 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  UC1100769  Scirpus acutus var. occidentalis Herbert L. Mason, Verne Grant 1947-7-11 13365 Modoc on Highway 395 5 mi s Alturas; on Highway 395 5 mi s of Alturas Comment
  CHSC100354  Scirpus microcarpus Lowell Ahart; John Dittes 2008-8-26 15354 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
  HSC7457  Scirpus microcarpus M. T. Milligan 1965-6-26 339 Modoc N end Jess Valley. 1616 Comment
  JEPS121208  Scirpus microcarpus Lowell Ahart, John Dittes 2013-7-24 18944 Modoc South margin of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  UC1100836  Scirpus microcarpus Verne Grant and Irving Schneider 1947-7-20 8096 Modoc North Fork Pit River by Dorris Bridge (Alturas); North Fork Pit River, Alturas Comment
  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
  RSA427194  Scrophularia lanceolata Francis W. Pennell 1940-6-8 25736 Modoc Route 299, 9-10 miles west of Alturas. 1372 Comment
  CAS-BOT-BC179223  Scutellaria nana Lindsay Stuart Smith 1924-5-31 1358 Modoc Egg Lake Ranch and S. Comment
  CAS-BOT-BC179226  Scutellaria nana John Thomas Howell 1934-6-30 12257 Modoc Duncan Horse Camp. 1355 Comment
  RSA0089761  Scutellaria nana Dean Wm. Taylor 2014-6-10 21484 Modoc Vicinity Mud Lake; County Road 91 (Lookout to Tule Lake) at the junciton, Modoc National Forest Road 42N56. 1432 Comment
  SBBG103613  Scutellaria nana B. Bartholomew, B. Anderson 1988-6-25 4388 Modoc County Rd 73, 5.6 km NW of State Hwy 299 1500 Comment
  CAS-BOT-BC252545  Secale cereale John Thomas Howell 1934-6-12 11991 Modoc 6 mi. S of Davis Creek. Comment
  HSC81211  Sedum lanceolatum G. M. Riegel 1980-8-12 1041 Modoc South Warner Mtns. 1739 Comment
  JEPS48026  Sedum lanceolatum Frances D. Payne 1931-6-29 284 Modoc trail from Granger Pass to Mt. Warren (Warner Mountains); , trail fr Granger Pass to Mt. Warren 1981 Comment
  UCR267411  Sedum stenopetalum Jim Andre, Glenn L. Clifton 1993-6-12 29997 Modoc Warner Mountains, Cedar Pass, Hwy 299, Modoc National Forest 1919 Comment
  UCSC000333  Sedum stenopetalum F. H. Frost 1925-7-13 75 Modoc Summit, Cedar Canyon - Warner Mountians Comment
  CAS-BOT-BC95624  Sedum stenopetalum subsp. stenopetalum Margaret J. Williams 1984-6-30 84- 80 -7 Modoc 6.8 mi. W of Cedarville-Gerlach road. 1981 Comment
  RSA0012438  Senecio aronicoides Bruce Bartholomew 1992-5-14 6277 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  HSC81127  Senecio fremontii G. M. Riegel 1979-9-6 750 Modoc South Warner Mtns. 1829 Comment
  CAS-BOT-BC50279  Senecio fremontii var. fremontii Bruce Bartholomew 1992-8-8 6363 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  CAS-BOT-BC50280  Senecio fremontii var. fremontii Elmer Ivan Applegate 1932-8-1 8048 Modoc Eastern slope of Warren Peak near summit, Warner Mountains Comment
  CHSC70717  Senecio hydrophiloides A. Sanger 1997-6-11 2511 Modoc Meadow on east side of road 44N69. 1981 Comment
  SDSU490  Senecio hydrophilus D. F. Howe 1966-8-26 4307 Modoc 1.3 miles north of Lassen-Modoc Co. line. 1341 Comment
  CAS-BOT-BC50251  Senecio integerrimus var. exaltatus C. L. Hitchcock 1940-5-27 6711 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC50287  Senecio integerrimus var. exaltatus Bruce Bartholomew 1992-5-15 6310 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  UC71604  Senecio integerrimus var. exaltatus Mrs. M. H. Manning 1903-1 117 Modoc Mt. Bidwell, ne Modoc County Mt. Bidwell 1402 Comment
  CDA8649  Senecio integerrimus var. exaltatus T. C. Fuller 1963-6-11 10651 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 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
  RSA0125033  Senecio integerrimus var. exaltatus E. K. Balls 1950-5-13 14682 Modoc West of Goose Lake, 1.5 miles south of Oregon-California State Line. 1463 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
  JEPS5942  Senecio serra var. serra Frances D. Payne 1931-7-4 318 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC54276  Senecio triangularis Elmer Ivan Applegate 1932-7-31 7978 Modoc Mill Creek Meadow, Warner Mountains Comment
  HSC6124  Senecio triangularis M. T. Milligan 1966-7-5 555 Modoc E of Jess Valley 1829 Comment
  RSA0011805  Shepherdia argentea W. P. Taylor, H. C. Bryant 1910-8-5 s.n. Modoc Warner Mountains, 5 mi. s. of Cedarville. 1433 Comment
  UC519036  Sibbaldia procumbens Elmer I. Applegate 1923-8-1 8023 Modoc just s Warren Peak (high summit of Warner Mountains); Warner Mountains Comment
  POM319037  Sidalcea Patricia Wilder 1971-6-20 5098 Modoc Lookout-White Horse Rd., about 3 mi. west of Lookout; north of Bieber and California State Hiway 299. Pit River Drainage, Cascades Mt. Range. 1372 Comment
  NY53361  Sidalcea oregana K. Paulson 1989-7-18 196 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1914.1 Comment
  CAS-BOT-BC179087  Sidalcea oregana subsp. oregana Bruce Bartholomew 1991-6-20 5770 Modoc Just N of Lassen County line on county road 90. 1220 Comment
  UC1192273  Sidalcea oregana subsp. oregana Verne Grant, Irving Schneider 1947-7-22 8144 Modoc on Highway 395 about one mi n of junction with Cedarville Road (North Fork of Pit River); , n of jct w Cedarville Road Comment
  UC201725  Sidalcea oregana subsp. oregana W. P. Taylor and H. C. Bryant 1910-6-11 Modoc Alturas Warner Mountains, , Alturas (S Fork Pitt R) 1402 Comment
  POM84283  Sidalcea oregana subsp. oregana R. M. Austin 1895-08 417 Modoc Goose Lake Valley Comment
  RSA448575  Sidalcea oregana subsp. oregana Christopher Davidson 1973-5-26 2150 Modoc 1 mile N. of Adin Summit on St Hwy 299, Modoc National Forest 1524 Comment
  UC18883  Sidalcea oregana subsp. oregana Milo S. Baker 1893-7-11 Modoc Comment
  CAS-BOT-BC179057  Sidalcea oregana subsp. spicata Annie Montague Alexander; L. Kellogg 1946-7-18 5024 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC179060  Sidalcea oregana subsp. spicata Annie Montague Alexander; L. Kellogg 1946-7-11 4976 Modoc Mesa W of Eight Mile Creek. Comment
  JEPS67273  Sidalcea oregana subsp. spicata Leland S. Smith 1918-8-12 1031 Modoc Camp One s slope South Warner Mts., Modoc Forest, Camp One T38-16 (South Warner Mts., Modoc Forest) 2468 Comment
  UCR131814  Sidalcea oregana subsp. spicata George Willet 1935-6-26 s.n. Modoc Warner Mountains, Jess Valley 1829 Comment
  HSC4207  Silene douglasii R. C. Wunner 1965-6-26 276 Modoc Lava Beds National Monument, Blue Eyes Point. 1341 Comment
  NY446741  Silene douglasii F. M. Ownbey 1940-7-1 2154 Modoc Cedar Peak, Warner Mountains Comment
  UC190595  Silene douglasii M. F. Gilman 507 Modoc slopes 1524 Comment
  CAS-BOT-BC95267  Silene menziesii E. S. Willits 1940-6-9 331 Modoc Fandango Pass. Comment
  JEPS121196  Silene nuda Lowell Ahart, John Dittes 2013-7-25 18954 Modoc About 30 yards S of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC95274  Silene oregana Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10577 Modoc 3 miles from Patterson Ranger Station on road to Eagleville, Warner Mts. Comment
  HSC6905  Sisymbrium altissimum M. T. Milligan 1965-6-26 337 Modoc N end Jess Valley. 1616 Comment
  UCR67470  Sisymbrium altissimum George K. Helmkamp 1990-9-23 I- 18 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CAS-BOT-BC95044  Sisymbrium altissimum Gordon H. True 1964-6-3 1452 Modoc South Fork Pit River between Alturas and Goose Lake. 1463 Comment
  CHSC117011  Sisyrinchium bellum Lowell Ahart; John Dittes 2016-6-6 20965 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CAS-BOT-BC245082  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1991-7-5 5941 Modoc North Willow Creek, vicinity of the Oregon border. 1580 Comment
  UC71734  Smilacina racemosa Mrs. M. H. Manning Aug 22 1903-Jul 9 1904 135 Modoc Cottonwood Pass; ne Modoc Co. Comment
  UC1191773  Solanum dulcamara Verne Grant, Irving Schneider 1947-7-19 8076 Modoc s of Alturas (along Southern Pacific right-of-way near East Canal, in Pit Valley, Williams Ranch); Pit Valley, Williams Ranch Comment
  CDA5944  Solanum dulcamara T. C. Fuller 1958-7-8 1946 Modoc Corporation Ranch, Likely. 0 Comment
  UCD126921  Solanum dulcamara W. A. Harvey 1954-6-3 s.n. Modoc Rob Flournoy Ranch, 3 miles southwest of Likely. Comment
  HSC65391  Solanum triflorum Thomas Wood 1979-8-8 222 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  POM213135  Solanum triflorum Carl B. Wolf 1931-9-5 2399 Modoc Roadside, on grade from Lake City-Fort Bidwell Road - to Davis Creek. (3 miles above east base) Warner Mtns. 1677 Comment
  POM42201  Solidago canadensis subsp. elongata Mrs. R. M. Austin 573 Modoc Alturas Comment
  UC1192250  Solidago spectabilis Herbert L. Mason 1947-8-9 13459 Modoc Ingalls Swanp, north of Big Sage Reservoir, Northwest of Alturas Comment
  POM140052  Sorbus californica M. S. Baker 1898-7-20 s.n. Modoc Taylor Creek. Forestdale. Comment
  POM332462  Sparganium angustifolium subsp. emersum J. P. Smith, J. O. Sawyer 1973-8-9 7269 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  UC1537629  Sparganium emersum var. emersum Gordon H. True Jr. 1939-7-21 1020 Modoc n of Canby (Jack Swamp); Jack Swamp Comment
  UC1099795  Sparganium erectum subsp. stoloniferum Verne Grant and Irving Schneider 1947-7-21 8113 Modoc Alturas South Fork of Pit River (South Fork of Pit River, 0.25 mi upstream from confluence with North Fork Pit River) Comment
Read comments
Sep 25 2008
  POM82493  Sphenosciadium capitellatum Mrs. R. M. Austin 1895-07 s.n. Modoc Davis Creek Comment
  CDA39504  Spiranthes porrifolia G. D. Barbe, John Kelley 1988-7-2 4302 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  CHSC112434  Spirodela polyrhiza Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18758 Modoc On the north side of levee, about 100 yards north of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC179207  Stachys pilosa Francis D. Payne 1931-6-17 183 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC179212  Stachys pilosa Annie Montague Alexander; L. Kellogg 1946-7-12 4984 Modoc Twelve Mile Creek, NE corner of county. Comment
  JEPS51096  Stellaria calycantha Frances D. Payne 1935-7-19 786 Modoc s and e of Alturas (Mouth of Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Mouth of Dry Creek Comment
  NY482936  Stellaria longipes R. M. Austin 467 Modoc Davis' Creek Comment
  CAS-BOT-BC95290  Stellaria longipes var. longipes Roxana Stinchfield Ferris; R. Duthie 1919-6-14 141 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC95297  Stellaria longipes var. longipes Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10548 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC54257  Stenotus acaulis Annie Montague Alexander; L. Kellogg 1946-8-9 5138 Modoc Patterson Lake Trail, Warner Mts. Comment
  RSA164370  Stenotus acaulis Clare B. Hardham 1961-6-18 7570 Modoc Hills S of Cedar Pass. 1829 Comment
  SEINET188113  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles NE of Alturas 1615 Comment
  UC748387  Stenotus acaulis Annie M. Alexander and Louise Kellogg 1946-8-9 5138 Modoc Patterson Lake Trail, Warner Mountains. Comment
  JEPS29181  Stenotus stenophyllus Lauramay T. Dempster 1961-6-18 1687 Modoc Peak just south of Cedar Pass Comment
  CAS-BOT-BC54272  Stephanomeria tenuifolia Annie Montague Alexander; L. Kellogg 1946-7-5 4908 Modoc Lava Cliff west Lower Lake. Comment
  CAS-BOT-BC54273  Stephanomeria tenuifolia Francis Dorris Payne 1932-7-25 749 Modoc Parker Creek. 1584 Comment
  UC748195  Stephanomeria tenuifolia Annie M. Alexander and Louise Kellogg 1946-7-5 4908 Modoc Lava Cliff, w Lower Lake Lower Lake Comment
  HSC80826  Stipa hymenoides G. M. Riegel 1980-7-15 886 Modoc South Warner Mtns. 1739 Comment
  SEINET10893284  Stipa lettermanii Louis C. Wheeler 1935-8-3 Wheeler 3752 Modoc Dry semi-sunny timbered E slope; Dismal Swamp, Twenty Mile Creek, Warner Mts. 2225 Comment
  HSC66167  Stipa pinetorum J. P. Smith, J. O. Sawyer 1973-8-8 7215 Modoc Near summit of Eagle Peak 2988 Comment
  JEPS120566  Stipa thurberiana L. P. Janeway, B. Castro 2012-7-28 11038 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
  HSC81067  Streptanthus cordatus G. M. Riegel 1980-8-13 1059 Modoc S Warner Mtns. 1739 Comment
  UC1492722  Streptanthus cordatus Freed W. Hoffman 1955-7-14 4064 Modoc s side of road on roadcut 6 mi e junction of highways 395 and 8A; Modoc National Forest 1524 Comment
  UC748373  Streptanthus cordatus Annie M. Alexander and Louise Kellogg 1946-6-22 4815 Modoc 3 mi above Fort Bidwell; Bidwell Creek Comment
  UC922245  Streptanthus cordatus Annie M. Alexander and Louise Kellogg 1946-8-9 5136 Modoc on ridge Warner Mountains, Patterson Lake Trail Comment
  CAS-BOT-BC95054  Streptanthus cordatus var. cordatus Elmer Ivan Applegate 1932-8-5 8186 Modoc S slope of Cedar Mountain, Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95062  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-7 4995 Modoc 15 mi. E of Cedarville. 1752 Comment
  CAS-BOT-BC95063  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-22 4815 Modoc Bidwell Creek, 2 mi. above Fort Bidwell. Comment
  CAS-BOT-BC95066  Streptanthus cordatus var. cordatus Bruce Bartholomew 1990-6-17 5342 Modoc W side of Fandango Pass near the summit, Warner Mountains. Comment
  UC70400  Streptanthus tortuosus var. orbiculatus Milo S. Baker 1898-8-1 Modoc New Lava Flow Medicine Lake Mts. Comment
  UCD138335  Stuckenia striata Robert F. Thorne; J. Henrickson, C. W. Tilforth 1969-9-4 39084 Modoc east shore of Goose Lake at Willow Ranch. 1432 Comment
  CAS-BOT-BC95577  Suaeda calceoliformis Bruce Bartholomew; Barrett Anderson 1990-7-21 5560 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  JEPS90827  Suaeda calceoliformis Dean W. Taylor 1989-8-4 10426 Modoc 2.5 mi e of Eagleville (between Middle Lake and Lower Lake, Modoc Plateau, Surprise Valley); Modoc Plateau, Surprise Valley 1341 Comment
  JEPS90828  Suaeda calceoliformis Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10494 Modoc Surprise Valley, w shore of Lower Lake w shore of Lower Lake; Surprise Valley, w shore of Lower Lake 1363 Comment
  CAS-BOT-BC180103  Swertia albicaulis var. albicaulis Bruce Bartholomew 1993-6-14 6658 Modoc 5.5 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1440 Comment
  CAS-BOT-BC180108  Swertia albicaulis var. albicaulis Elmer Ivan Applegate 1897-5-31 327 B Modoc Dry Lake. Comment
  CAS-BOT-BC180109  Swertia albicaulis var. albicaulis John Thomas Howell 1934-6-12 11990 Modoc 9 mi. S of Davis Creek. Comment
  CAS-BOT-BC180106  Swertia albicaulis var. albicaulis Isabelo T. Kelly 1930-1-1 67 Modoc Modoc County. Comment
  CAS-BOT-BC180095  Swertia albicaulis var. nitida Milo Samuel Baker 1894-6-13 Modoc Near Egg Lake. Comment
  HSC8427  Swertia radiata M. T. Milligan Modoc N end of Jess Valley 1616 Comment
  JEPS46350  Swertia radiata F. Payne 1929-7-12 98 Modoc Lost Lake Ridge Warner Mts. Comment
  POM193017  Symphoricarpos mollis M. S. Baker 1893-1 193 Modoc Medicine Lake. Comment
  HSC81023  Symphyotrichum ascendens G. M. Riegel 1979-8-22 682 Modoc South Warner Mtns. 1670 Comment
  JEPS40835  Symphyotrichum bracteolatum L. S. Smith 1919-8-18 1134 Modoc Ash Valley Comment
  UC71841  Symphyotrichum foliaceum Mrs. M. H. Manning 1903-8-27 478 Modoc Mt. Bidwell, ne Modoc Co Mt. Bidwell Comment
  UC748365  Symphyotrichum foliaceum Annie M. Alexander and Louise Kellogg 1946-7-12 4987 Modoc Twelve Mile Creek, ne corner of county Twelve Mile Creek Comment
  JEPS127561  Symphyotrichum foliaceum var. parryi L. P. Janeway 2015-8-11 11834 Modoc Warner Mountains. East side of Squaw Peak a little above Squaw Peak Trail. Warren Peak 7.5' Quad. Comment
  UC1192205  Symphyotrichum spathulatum Herbert L. Mason 1947-8-9 13480 Modoc n of, (Fairchild Swamp) Alturas; Fairchild Swamp Comment
  CAS-BOT-BC232364  Synthyris missurica Elmer Ivan Applegate 1932-8-2 8089 Modoc Mill Creek Meadow. Comment
  UC1567428  Synthyris missurica G. Schoolcraft et al. Modoc n of Patterson Lake; Warner Mountains 2773 Comment
  JEPS9932  Synthyris missurica Mrs. R. M. Austin and Bruce 1898-6-18 2132 Modoc Lake City Pass; Warner Mountains Comment
  UC748172  Synthyris missurica subsp. missurica Annie M. Alexander and Louise Kellogg 1946-6-15 4774 Modoc Deep Creek Comment
  CAS-BOT-BC252540  Taeniatherum caput-medusae Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16376 Modoc Junction of Cedar Pass road and Hwy. 299, 5.5 mi. N of Alturas. Comment
  UCD86165  Taeniatherum caput-medusae T. C. Fuller 1959-7-8 2742 Modoc roadside hillslope, Hwy 299, 8 miles west of Alturas. Comment
  SEINET5344494  Taeniatherum caput-medusae M. J. Williams, J. Nachlinger 1988-6-2 88- 28 -6 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  UC70443  Taraxia subacaulis Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC54231  Tetradymia canescens R. M. Austin 1894-9-1 s.n. Modoc N of Alturas. Comment
  UC449667  Tetradymia canescens M. F. Gilman 619 Modoc mountains 1981 Comment
  CAS-BOT-BC54240  Tetradymia glabrata Bruce Bartholomew 1990-6-17 5316 Modoc Surprise Valley, 6.8 km W of Eagleville. 1390 Comment
  CAS-BOT-BC217127  Thalictrum fendleri Roxana Stinchfield Ferris; R. Duthie 1919-6-3 53 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC217173  Thalictrum fendleri Elmer Ivan Applegate 1932-8-2 8079 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  RSA520460  Thalictrum fendleri K. Paulson, R. Paulson 1989-6-21 146 Modoc Pine Creek Basin, W side of the Warner Mts. 2110 Comment
  POM100476  Thalictrum polycarpum R. M. Austin 1895-07 552 Modoc Willow Creek (Devils Garden) Comment
Read comments
Jul 11 2010
  SEINET248027  Thelypodium flexuosum Unknown 1998-5-30 12997 Modoc Surprise Valley, Modoc Country Road 299, 6.9 km (4.3 mi) east of downtown Cedarville, at a turnoff to some hotsprings. 1370 Comment
  UC10958  Thelypodium howellii M. S. Baker and Frank Nutting 1893-7-6 Modoc Comment
  CHSC85174  Thelypodium howellii subsp. howellii John Dittes; Josephine Guardino 1991-7-21 384 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  NY746808  Thelypodium howellii var. howellii N. H. Holmgren 1998-5-30 12996 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) east of downtown Cedarville, at a turnoff to some hotsprings 1370 Comment
  UCD149862  Thermopsis californica var. argentata Harry George 1967-6-15 s.n. Modoc Egg Lake. Comment
  UCD162393  Thinopyrum intermedium Chuck Hughes 2015-9-12 438 Modoc Near the Larry Flat Campound, Modoc National Forest. 1823 Comment
  CAS-BOT-BC95085  Thlaspi arvense E. S. Willits 1940-5-17 269 Modoc Willow Ranch. Comment
  CDA25249  Thlaspi arvense C. B. Greenbank 1980-5-8 Modoc Clyde Huffman ranch, Tulelake. 0 Comment
  CDA3887  Thlaspi arvense T. C. Fuller 1958-7-8 1936 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC95088  Thysanocarpus curvipes Francis Dorris Payne 1932-6-10 633 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC58774  Tiquilia nuttallii Bruce Bartholomew 1990-6-17 5317 Modoc Surprise Valley, 6.8 km W of Eagleville. 1390 Comment
  UCD93181  Torreyochloa pallida var. pauciflora Beecher Crampton; Carl W. Rimbey 1954-7-6 2092 Modoc following Shields Creek into Warner Mountains, 20 miles east of Alturas. 1676 Comment
  UCD149853  Toxicoscordion paniculatum William Anderson 1965-6-3 s.n. Modoc Davis Creek. Comment
  JEPS117467  Tribulus terrestris Lowell Ahart, John Dittes 2010-8-31 17132 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CHSC14071  Trichostema oblongum K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5824 Modoc W side of Egg Lake. 1295 Comment
  UC26036  Trichostema oblongum Milo S. Baker 1893-7-24 Modoc Egg Lake Comment
  SEINET7356249  Trichostema simulatum Margaret J. Williams 1985-8-13 85- 66 -4 Modoc Big Sage Reservoir. N.W. of Alturas.; 0 1524 Comment
  JEPS118253  Trifolium andersonii var. andersonii Lowell Ahart, John Dittes 2011-6-22 17560 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  CAS-BOT-BC181789  Trifolium beckwithii Elmer Ivan Applegate 1897-6-1 868 Modoc Alturas. Comment
  CAS-BOT-BC181783  Trifolium cyathiferum Louis Cutter Wheeler 1935-8-1 3727 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC181786  Trifolium cyathiferum Annie Montague Alexander; L. Kellogg 1946-7-12 4979 Modoc Twelve Mile Creek. Comment
  CAS-BOT-BC181788  Trifolium cyathiferum Bruce Bartholomew; Barrett Anderson 1988-7-22 4517 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CHSC117567  Trifolium cyathiferum Lowell Ahart; John Dittes 2016-7-14 21172 -A Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wild life Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC100820  Trifolium cyathiferum Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC181775  Trifolium gymnocarpon var. plummerae Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6471 Modoc 1.6 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1600 Comment
  CHSC115595  Trifolium hybridum Lowell Ahart; John Dittes 2015-7-16 20365 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC117231  Trifolium hybridum Lowell Ahart; John Dittes 2016-7-16 21240 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS123848  Trifolium hybridum Lowell Ahart, John Dittes 2015-7-16 20365 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS127163  Trifolium hybridum Lowell Ahart, John Dittes 2016-7-16 21240 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
  NY802651  Trifolium kingii var. productum B. M. Bartholomew 1988-6-24 4307 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains 2130 Comment
  CAS-BOT-BC181753  Trifolium longipes Alice Eastwood; John Thomas Howell 1940-6-12 8058 Modoc Between Likely and Jess Valley. Comment
  UC748297  Trifolium longipes subsp. shastense Annie M. Alexander and Louise Kellogg 1946-6-8 4694 Modoc Road from Eagleville to Patterson Mill. 2286 Comment
  JEPS118441  Trifolium longipes var. hansenii Lowell Ahart, John Dittes 2011-6-21 17525 Modoc About 250 yards west of the fence, about 250 yards east of the old barn, 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
  UCR87512  Trifolium macrocephalum George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  JEPS50701  Trifolium macrocephalum Wayne Roderick 1963-6-9 Modoc In the Warner Mountains, north of campground on east side of Cedar Pass. About 1 mi (by bad road) up to collection site. Comment
  RSA520478  Trifolium macrocephalum Bruce Bartholomew, B. Anderson 4650 Modoc 8.8 km N of State Highway 299 on road to Raker and Thomas Reservoir. 1470 Comment
  CAS-BOT-BC181756  Trifolium productum Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10579 Modoc Three miles from Patterson Ranger Station on road to Eagleville. Warner Mountains. Modoc National Forest Comment
  CAS-BOT-BC181758  Trifolium productum Leland S. Smith 1917-7-18 81 Modoc Soldier Creek. 1981 Comment
  CAS-BOT-BC181759  Trifolium productum Bruce Bartholomew 1991-5-24 5732 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  CAS-BOT-BC181770  Trifolium productum K. Paulson; Robert Paulson 1988-6-29 68 Modoc N of Benton Meadow along Davis Creek, Warner Mts.. 1676 Comment
  CAS-BOT-BC180167  Trifolium repens Bruce Bartholomew 1994-7-2 6774 Modoc N side of Joseph Creek, 5.6 km E of U.S. Hwy. 395 on Forest Service road 30. 1590 Comment
  HSC81093  Trifolium wormskioldii G. M. Riegel 1980-7-30 974 Modoc S Warner Mtns. 2100 Comment
  RSA281688  Trifolium wormskioldii S. O. Mattoon 1979-7-14 72 Modoc Pine Creek Canyon, 3 road miles east of Highway 395 at New Pine Creek, Warner Mts. 1677 Comment
  CAS-BOT-BC242154  Triteleia hyacinthina Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc 32.7 mi. N of Alturas on Hwy 395. Comment
  CAS-BOT-BC404162  Urtica dioica subsp. holosericea John Thomas Howell 1934-7-2 12370 Modoc West side of Clear Lake Comment
  SJSU9374  Utricularia macrorhiza W