Search Results — 2000 specimen records retrieved (1495 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77932  Abies Roxana S. Ferris; Laura Lorraine 1941-8-13 10574 Modoc Patterson Ranger Station (East Creek drainage) Modoct National Forest, Warner Mountains 2164 Comment
  CAS-BOT-BC15634  Achillea millefolium John Thomas Howell 1934-6-11 11932 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC242288  Achnatherum Louis Cutter Wheeler 1935-8-3 3752 Modoc Dismal Swamp. 2225 Comment
  UC1025068  Achnatherum Leo Whitney 1935-7-25 3548 Modoc near Lava Ranger Station (7 mi ne of Whitehorse) Comment
  UC1153792  Achnatherum X bloomeri Burgess L. Kay June, 1957 Modoc 2 mi ne Likely Comment
  UC1024994  Achnatherum lemmonii Leo Whitney 1935-7-7 3390 Modoc 4 mi nw Canby (Howard Gulch); Howard Gulch Comment
  UCD32699  Achnatherum lemmonii Beecher Crampton 1954-7-6 2115 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD50571  Achnatherum lemmonii August L. Hormay 1932-7-14 s.n. Modoc Modoc National Forest. Comment
  RSA268158  Achnatherum lemmonii var. lemmonii J. R. Reeder, C. G. Reeder 1972-6-1 5629 Modoc ca. 7 mi SW of Canby 1372 Comment
  SEINET5585613 Image available Achnatherum lettermanii R. J. Leader, C. S. Leader 1949-1 C- 218 Modoc Badger Wells, 10 miles east of Hackamore Forest Camp on the Canby-Klamath Falls highway 17 miles east of Canby, Modoc National Forest 1585 Comment
  CAS-BOT-BC242318  Achnatherum occidentale subsp. californicum Bruce Bartholomew 1990-8-5 5669 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  POM229972  Achnatherum occidentale subsp. californicum L. C. Wheeler 1935-8-3 3752 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  UC1024941  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-3 3331 Modoc 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UC1037149  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-6 3423 Modoc Crank Springs Comment
  UCD32698  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2114 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD51430  Achnatherum thurberianum Beecher Crampton 1962-5-7 - 26 Modoc 3 miels west of Cedarville. Comment
Read comments
May 12 2013
  UCD104073  Acmispon brachycarpus Herbert L. Mason; Verne Grant 1947-7-10 13332 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  SBBG30557  Acmispon denticulatus D. Myrick 1968-6-20 1982 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  HSC98299  Acmispon wrangelianus M. T. Milligan 1964-6-6 6 Modoc N side of Dorris Reservoir along shore 1372 Comment
  UCD104524  Acmispon wrangelianus Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch, Likely. Comment
  CAS-BOT-BC218305  Aconitum columbianum Leland S. Smith 1922-7-20 1311 Modoc Rush Creek Ranger Station. 1905 Comment
  CHSC106181  Acroptilon repens Lowell Ahart; John Dittes 2010-8-31 17093 Modoc Just south of the Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC218313  Actaea rubra Francis Dorris Payne 1932-7-22 743 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC218329  Adonis aestivalis Bruce Bartholomew 1994-5-28 6709 Modoc W side of the S Fork of the Pit River, NW of Likely. 1330 Comment
  UCD95442  Adonis aestivalis T. C. Fuller 1963-7-11 10643 Modoc S. of Hwy 299 to Adin, 2.0 mi. w. of Canby. Comment
  CAS-BOT-BC179877  Agastache urticifolia Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10535 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  HSC81097  Agastache urticifolia G. M. Riegel 1980-7-23 927 Modoc S Warner Mtns. 2100 Comment
  JEPS62934  Agastache urticifolia Leland S. Smith 1918-8-11 1028 Modoc Lost Lake , , Camp one (Modoc National Forest) 2499 Comment
  JEPS77517  Agastache urticifolia L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4884 Modoc Cedar Pass , Cedar Pass (Warner Mts.) 1920 Comment
  RSA165592  Agastache urticifolia Clare B. Hardham 1961-6-18 7565 Modoc Warner Mountains, Davis Creek. 2134 Comment
  RSA534711  Agastache urticifolia Bruce Bartholomew 1991-7-6 5979 Modoc Curtis Waterhole and adjacent lava outcrops. 399 Comment
  HSC81120  Ageratina occidentalis G. M. Riegel 1979-7-30 620 Modoc S Warner Mtns. 640 Comment
  RSA531340  Ageratina occidentalis Bruce Bartholomew 1989-8-12 5108 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains 2040 Comment
  JEPS5824  Agoseris X dasycarpa Frank W. Peirson 1926-6-25 6865 Modoc lower part of west slope along Cedarville road Warner Mts. Comment
  CAS-BOT-BC21368  Agoseris aurantiaca var. aurantiaca K. Paulson; Robert Paulson 1989-7-14 178 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 2171 Comment
  RSA608594  Agoseris glauca var. dasycephala L. C. Wheeler 1935-8-16 3885 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC15325  Agoseris heterophylla Bruce Bartholomew; M. Bourell 1990-4-27 5178 Modoc 0.6 km SW of Hwy 299 on road to Higgins Flat 1480 Comment
  UCD51682  Agropyron cristatum B. L. Kay 1957-6-1 s.n. Modoc Modoc County. Comment
  HSC8787  Agrostis exarata M. T. Milligan 1966-7-26 585 Modoc N end Jess Valley 1616 Comment
  UC1025023  Agrostis exarata Leo Whitney 1935-7-17 3515 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore, Lake Joaquina 1463 Comment
  UCD52303  Agrostis exarata L. Whitney 1935-6-29 s.n. Modoc edge of Hackamore Reservoir. Comment
  UCD52379  Agrostis exarata L. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  JEPS73943  Agrostis exarata L. S. Smith 1918-1 883 Modoc in and around meadows Comment
  HSC80911  Agrostis gigantea G. M. Riegel 1980-8-28 1123 Modoc S. Warner Mountains 2100 Comment
  CAS-BOT-BC139099  Agrostis pallens John Thomas Howell 1934-7-3 12377 Modoc 5 miles south of Hackamore. Comment
  UC53473  Agrostis scabra M. S. Baker and F. Nutting 1894-8-25 Modoc near Forestdale 1371 Comment
  JEPS114869  Agrostis stolonifera Lowell Ahart, John Dittes 2008-8-25 15284 Modoc W bank of the Pit River, about 1/8 mi E of County Road 91, about 3.8 mi (air) N-NE of Lookout 1273 Comment
  UCD53615  Agrostis stolonifera August L. Hormay 1932-7-15 s.n. Modoc Pease Cabin, Modoc National Forest. Comment
  UCD53623  Agrostis stolonifera Beecher Crampton 1954-7-6 2086 Modoc along US Hwy. 395, 4 miles north of Likely. Comment
  CAS-BOT-BC190683  Aliciella micromeria Bruce Bartholomew 1990-6-17 5336 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  HSC17011  Aliciella micromeria M. T. Milligan 1964-6-20 48 Modoc E A St. near Hwy. 395, Alturas 1372 Comment
  UCD137903  Alisma gramineum Herbert L. Mason 1955-8-13 14653 A Modoc southwest side of Goose Lake. Comment
  UC71709  Alisma plantago-aquatica Mrs. M. H. Manning 1903-8-26 319 Modoc ne Modoc County Sessions Swamp Comment
  CAS-BOT-BC445446  Alisma triviale Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39088 Modoc Margin of 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
  CAS-BOT-BC245005  Allium acuminatum K. Paulson; Robert Paulson 1989-6-14 137 Modoc Junction of Hwy 299 and Hwy 395 at turn off to Cedar Pass. 1371 Comment
  CAS-BOT-BC245013  Allium acuminatum K. Paulson; Robert Paulson 1989-6-21 138 Modoc Vicinity of N Fork of Fitzhugh Creek, W side of the Warner Mts. 1493 Comment
  JEPS47579  Allium acuminatum Frances D. Payne 1932-6-10 631 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS56347  Allium acuminatum L. S. Smith 1918-6-26 938 Modoc Buck Creek Ranger Station Warner Range, Buck Creek Ranger Station 1600 Comment
  POM110315  Allium acuminatum Mrs. R. M. Austin 1895-07 499 Modoc Goose Lake Valley. Comment
  SEINET12048088  Allium acuminatum Unknown 1945-1 Modoc Comment
  HSC29863  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19493 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 Comment
  HSC29864  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19477 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC245000  Allium amplectens Fred. P. Cronemiller 1920-6-9 2 Modoc McKenzie Spring. 1310 Comment
  JEPS47629  Allium bisceptrum var. bisceptrum L. S. Smith 1843-1 Modoc Cottonwood Pass Warner Mts., Cottonwood Pass 2133 Comment
  CAS-BOT-BC244988  Allium lemmonii K. Paulson; Robert Paulson 1989-7-4 173 Modoc Ca. 0.5 mi. S of Patterson Ranger Station, S end of Warner Mts. 2240 Comment
  RSA367065  Allium lemmonii George Willet 1935-6-21 s.n. Modoc Modoc County: Warner Mtns. 2287 Comment
  SEINET3884712  Allium lemmonii Margaret J. Williams 1984-6-28 84- 67 -1 Modoc 2 miles North of intersection between Soldier Creek and Old Cannon Mill roads.; 0 2057 Comment
  RSA335886  Allium parvum D. W. McNeal 1979-5-13 2225 Modoc Beside highway 395, 15.8 miles south of the junction of highway 299 in Alturas. Comment
  CAS-BOT-BC244960  Allium platycaule G. D. Hanna; M. M. Hanna 1956-6-1 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC244965  Allium platycaule Mrs. H. C. Cantelow 1940-6-1 3897 Modoc E of Alturas. Comment
  CAS-BOT-BC244970  Allium platycaule Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5994 Modoc NW of Alturas. 1371 Comment
  CAS-BOT-BC244975  Allium platycaule Isabelo T. Kelly 1930-1-1 70 Modoc Buck Creek. Comment
  CAS-BOT-BC248331  Allium platycaule B. Bartholomew; H. Sun 2002-6-24 8818 Modoc Just SW of Manzanita Mt. and ca. 15 straight line km NW of Aden 2000 Comment
  UC593513  Allium platycaule E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1798 Modoc hill above Lake City 1515 Comment
  UC635212  Allium platycaule R. C. Wilson 1933-5-30 93 Modoc Rush Creek 1432 Comment
  UC843416  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 mi ne Alturas 1615 Comment
  JEPS50695  Allium platycaule Wayne Roderick 1963-6-9 Modoc at end of a bad road starting from a camp ground, going n, on the e side of Cedar Pass Warner Mountains, Cedar Pass 2133 Comment
  UC1585382  Allium platycaule R. Raiche and K. Zadnik 1989-7-5 90217 Modoc n Cedar Pass; Warner Mts., Cedar Mt. Area, Soldier Creek drainage 1985 Comment
  HSC30082  Allium tolmiei var. tolmiei D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19387 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  JEPS68428  Alopecurus aequalis Leland S. Smith 1918-6-22 942 Modoc Willow Creek below ranger station Willow Creek 1676 Comment
  SJSU9664  Alopecurus aequalis W. Savage 1979-7-9 1509 Modoc pond near ranch house, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC1136996  Alopecurus aequalis August L. Hormay 1932-7-15 Modoc Pease Cabin Modoc Nat'l Forest, Pease Cabin Comment
  UCD55825  Alopecurus aequalis August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Pease Cabin. Comment
  CAS-BOT-BC242336  Alopecurus geniculatus Bruce Bartholomew; Barrett Anderson 1988-5-14 4204 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 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
  UC60733  Alopecurus geniculatus M. S. Baker and Frank Nutting 1894-6-25 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC58601  Alyssum simplex S. Saufferer 1973-5-5 131 Modoc About 7.5 mi. S of Pine Creek along Highway 395. Comment
  CAS-BOT-BC58649  Alyssum simplex Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16468 Modoc Roadside 2.6 mi. N of Buck's Creek Ranger Station, E side of Goose Lake. Comment
  CAS-BOT-BC21493  Amaranthus blitoides Bruce Bartholomew 1991-10-13 6114 Modoc 3.5 km ENE of Alturas on U.S. Hwy 395 at bridge over N Fork of the Pit River. 1400 Comment
  SEINET3871799  Amaranthus blitoides Richard R. Halse 2010-9-2 8110 Modoc Warner Mountains; Modoc National Forest; along State Hwy. 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead.; 0 1619 Comment
  UC1191394  Amaranthus californicus Verne Grant, Irving Schneider 1947-8-27 8312 Modoc Southwest end of Clear Lake. Comment
  CAS-BOT-BC21492  Amaranthus powellii Bruce Bartholomew; Barrett Anderson 1990-7-21 5558 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  RSA210861  Amaranthus powellii R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39026 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
  UC71785  Ambrosia acanthicarpa Mrs. M. H. Manning 1904-1-1 393 Modoc near(?) Fort Bidwell Comment
  RSA3394  Amelanchier pallida Carl B. Wolf 1931-9-5 2400 Modoc Roadside, on grade from Lake City-Fort Bidwell Road - to Davis Creek. (3 miles above east base) Warner Mtns. 1677 Comment
  RSA453135  Amelanchier pallida Christopher Davidson 1975-6-3 2588 Modoc Hwy 395N of Alturas, E of Goose l. 1 miles S of Willow Ranch. 1341 Comment
  CAS-BOT-BC214628  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1988-5-13 4174 Modoc 0.6 km N of Jess Valley on West Warner Road, W side of the Warner Mts.. 1620 Comment
  CAS-BOT-BC217087  Amelanchier utahensis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 138 Modoc Below Modoc Nat. Forest Boundary along Parker Creek. Comment
  CAS-BOT-BC217093  Amelanchier utahensis Bruce Bartholomew 1989-7-15 4985 Modoc 7 km from State Hwy 299 on road to Manzanita Mountain. 1830 Comment
  UC748391  Amelanchier utahensis Annie M. Alexander and Louise Kellogg 1946-6-5 4658 A Modoc s of Eagleville (Emerson Creek); Warner Mountains, Emerson Creek 1783 Comment
  CAS-BOT-BC245112  Amphiscirpus nevadensis Louis Cutter Wheeler 1935-9-4 3944 Modoc McGinty Point, Goose Lake. 1463 Comment
  CAS-BOT-BC54156  Amsinckia menziesii Elmer Ivan Applegate 1929-6-25 5908 Modoc Willow Ranch, Goose Lake. Comment
  CAS-BOT-BC54157  Amsinckia menziesii John Thomas Howell 1934-6-16 12209 Modoc Parker Creek. 1584 Comment
  HSC3546  Amsinckia menziesii M. T. Milligan 1965-6-26 325 Modoc N end Jess Valley. 1616 Comment
  JEPS5802  Amsinckia menziesii var. menziesii Rimo Bacigalupi and L. R. Heckard 1952-6-18 3744 Modoc 3/4 mi e Canby (at railroad crossing along U.S. Hwy 299) Comment
  CAS-BOT-BC54171  Amsinckia tessellata var. tessellata Elmer Ivan Applegate 1936-5-4 10222 Modoc Lava Beds National Monument, Juniper Butte Comment
  CAS-BOT-BC15612  Antennaria argentea John Thomas Howell 1934-7-1 12316 Modoc Duncan Horse Camp. 1355 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-BC15576  Antennaria dimorpha Bruce Bartholomew; Mona Bourell 1990-4-28 5199 Modoc 0.3 km S of Davis Creek on Hwy 395. 1450 Comment
  CAS-BOT-BC15577  Antennaria dimorpha Bruce Bartholomew; Barrett Anderson 1989-4-29 4678 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  UCD77337  Antennaria flagellaris Robert E. Preston 2000-6-1 1358 Modoc Modoc Plateau, along Hwy 139, ca. 2 mi e of Forest Service Road 44N11. 1487 Comment
  CAS-BOT-BC15551  Antennaria luzuloides Bruce Bartholomew; Mona Bourell 1990-4-27 5179 Modoc Vicinity of Lower Cummings Reservoir, 5 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  POM261370  Antennaria luzuloides H. C. Cantelow 1940-6-2 s.n. Modoc 9.3 miles NW of Gray Canby, Lava country Comment
  RSA152422  Antennaria luzuloides I. L. Wiggins, Dorothy Wiggins 1961-6-12 16424 Modoc Moderate slope near summit of Cedar Pass, between Alturas and Cedarville 1921 Comment
  UC1302430  Antennaria luzuloides Clare B. Hardham 1961-6-18 7556 Modoc hills 3 mi se Cedar Pass; Warner Mountains Comment
  CAS-BOT-BC15556  Antennaria rosea subsp. rosea Clare Butterworth Hardham 1961-6-20 7883 A Modoc Road from Mt. Bidwell to Dismal Swamp. 2438 Comment
  CAS-BOT-BC15557  Antennaria rosea subsp. rosea Clare Butterworth Hardham 1961-6-20 7864 Modoc Pine Creek. 1676 Comment
  CDA1734  Apera interrupta P. H. Raven, O. T. Solbrig 1958-6-17 13307 Modoc Along United States Highway 299, 2.6 miles west of Alturas. 0 Comment
  CHSC31499  Aphyllon purpureum N. E. H. Prouty 1980-8-6 212 Modoc Modoc Nat. Forest. Meadow on southern bank of North Fork Pine Creek. 1524 Comment
  CHSC54186  Aphyllon purpureum Vernon H. Oswald 1991-5-28 4630 Modoc North side of parking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north northeast of Bieber. 1264 Comment
  CAS-BOT-BC15689  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-7-3 4903 Modoc Bidwell Creek, near Fort Bidwell. Comment
  CHSC85394  Apocynum androsaemifolium John Dittes; Josephine Guardino 1991-8-24 458 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
  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
  HSC80948  Apocynum androsaemifolium G. M. Riegel 1980-7-14 880 Modoc S Warner Mtns. 1670 Comment
  SD149188  Apocynum androsaemifolium B. Bartholomew, B. Anderson 1988-7-21 4410 Modoc Whitehorse Mountains, 11 km north of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  UC748274  Apocynum androsaemifolium Annie M. Alexander and Louise Kellogg 1946-6-28 4867 Modoc n. end Warner Mts., Pine Creek Canyon 1615 Comment
  NY485761  Aquilegia formosa M. S. Baker 1893-6-29 s.n. Modoc Comment
  CAS-BOT-BC218334  Aquilegia formosa var. formosa Elmer Ivan Applegate 1933-8-2 8080 Modoc Mill Creek Meadows, Warner Mts. Comment
  CAS-BOT-BC218346  Aquilegia formosa var. formosa Leland S. Smith 1922-7-20 1306 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  HSC18039  Aquilegia formosa var. formosa M. T. Milligan 1964-7-25 179 Modoc Pine Creek Basin, along trail. 2439 Comment
  UC10399 Image available Arabis davidsonii Mrs. C. C. Bruce Jun 1892 2250 Modoc Lake City mt Comment
  HSC26497  Arabis puberula J. P. Smith, J. O. Sawyer 1972-5-6 5267 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  JEPS53115  Arabis puberula Mrs. C. C. Bruce Jun 1898 2247 Modoc Goose Lake hills Goose Lake Comment
  NY119569  Arabis sparsiflora var. sparsiflora B. M. Bartholomew 1988-5-13 4145 Modoc Along Parker Creek Road, at the border of Modoc National Forest and ca. 16 km WSW of Alturas, side of the Warner Mtns. 1580 Comment
  HSC6567  Arabis sparsiflora var. subvillosa M. T. Milligan 1966-6-19 471 Modoc Plateau W of Jess Valley 1829 Comment
  UC465861  Arceuthobium campylopodum Franklin P. Nutting Aug 1920 Modoc nera Forestdale Big Valley Mtns Comment
  CAS-BOT-BC95646  Arctostaphylos nevadensis Bruce Bartholomew; Barrett Anderson 1990-7-20 5530 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC95647  Arctostaphylos nevadensis A. D. Borden 1911-6-15 Modoc S slope Middle Fork Davis Creek. Comment
  CAS-BOT-BC95654  Arctostaphylos patula Bruce Bartholomew; Barrett Anderson 1989-4-27 4613 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  RSA604427  Arctostaphylos patula L. C. Wheeler 1935-9-16 3987 Modoc 1 mi. S Everly Reservoir, Devil's Garden. 1524 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
  JEPS51402  Arenaria congesta var. congesta L. S. Smith 1917-7-17 842 Modoc Granger Mill Country Warner Mts. Deep Creek 1828 Comment
  UC8102  Arenaria congesta var. congesta Milo S. Baker 1893-6 Modoc Sandy bank of stream Comment
  POM203065  Arenaria congesta var. simulans J. T. Howell 1934-6-30 12288 Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC15568  Arnica chamissonis subsp. foliosa K. Paulson; Robert Paulson 1989-7-18 193 Modoc Vicinity of Granger Creek, E side of Warner Mts. 2042 Comment
  CAS-BOT-BC15571  Arnica chamissonis subsp. foliosa Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10570 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  CAS-BOT-BC15404  Arnica cordifolia M. M. Hanna 1956-6-5 s.n. Modoc Cedar Pass camp ground. Comment
  HSC12533  Arnica cordifolia M. S. Baker 1893-1 Modoc Forestdale Comment
  HSC4680  Arnica cordifolia M. T. Milligan 1964-6-25 92 Modoc Upper Lassen Creek 1829 Comment
  JEPS120508  Arnica cordifolia B. Castro and L. P. Janeway 2012-7-24 1949 Modoc Warner Mountains. Flat ridgetop near Sunshine and Moonlight Mines, along Road 48N21 ca 1 air mi SW of Dismal Swamp. Comment
  UC1437361  Arnica cordifolia Clare B. Hardham 1961-6-18 7587 Modoc Cedar Pass; Warner Mountains 1828 Comment
  UC220228  Arnica cordifolia Mrs. R. M. Austin 1885-6-1 Modoc hills Comment
  JEPS6004  Arnica fulgens Frances D. Payne 1932-6-26 606 Modoc s and e of, high ridges n of Parker Creek Alturas; Parker Creek, Warner Mountains 1828 Comment
  UC71560  Arnica longifolia Mrs. M. H. Manning 1904-8-27 343 Modoc Mt. Bidwell Mt. Bidwell ((ne Modoc County)) Comment
  CAS-BOT-BC15289  Arnica mollis Annie Montague Alexander; L. Kellogg 1946-7-29 5080 Modoc S slope of Eagle 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
  UC29591  Arnica mollis Mrs. R. M. Austin and Bruce 1898-7-1 2183 Modoc head of Davis Creek Comment
  UC91032  Arnica parryi Mrs. R. M. Austin 1894-8-1 309 Modoc Lassen Creek Comment
Read comments
Feb 28 2007
  CAS-BOT-BC15299  Arnica sororia Arnold Tiehm 1984-6-30 8837 Modoc NW side of Bidwell Mt., 2.2 road mi. N of Eight Mile Creek on road from Lake Annie. 1844 Comment
  CAS-BOT-BC242406  Arrhenatherum elatius L. D. White 1953-10-1 s.n. Modoc Briles orchard, Davis Creek. Comment
  CHSC110906  Arrhenatherum elatius Lowell Ahart; John Dittes 2012-7-10 18309 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
  CHSC112367  Artemisia arbuscula subsp. arbuscula L. P. Janeway; B. Castro 2014-6-2 11286 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  RSA607266  Artemisia arbuscula subsp. arbuscula L. C. Wheeler 1935-9-9 3962 Modoc Spring, Devil's Garden Comment
  RSA608612  Artemisia cana L. C. Wheeler 1935-8-30 3931 Modoc Devil's Garden: Lakeshore Reservoir. 1524 Comment
  CHSC109519  Artemisia cana subsp. bolanderi L. P. Janeway; B. Castro 2012-7-25 10987 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  CHSC67334  Artemisia cana subsp. bolanderi J. D. Jokerst 1986-8-11 2759 Modoc Radar Site Survey S of Doublehead Mtn., S of road to Doublehead Mtn. Comment
  JEPS117261  Artemisia douglasiana Lowell Ahart, John Dittes 2010-8-31 17098 Modoc East side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  HSC81039  Artemisia ludoviciana subsp. incompta G. M. Riegel 1980-8-21 1094 Modoc South Warner Mountains 2100 Comment
  CHSC100007  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
  CHSC106347  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; John Dittes 2010-8-30 17051 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS89418  Artemisia ludoviciana subsp. ludoviciana Dean W. Taylor 1987-8-9 9277 Modoc Northeastern California, SE1/4 Section 19 Northeastern California; , SE1/4 Section 19 1371 Comment
  RSA606128  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1935-8-7 3803 Modoc Pine Creek, Warner Mtns. 1555 Comment
  JEPS90448  Artemisia michauxiana Dean Wm. Taylor with Glenn Clifton 1989-8-5 10442 Modoc cirque headwall above South Emerson Lake; Warner Mountains, Emerson Creek drainage 2560 Comment
  CAS-BOT-BC15205  Artemisia tridentata subsp. tridentata Elmer Ivan Applegate 1932-8-1 8201 Modoc West side of Middle Lake, Surprise Valley Comment
  CAS-BOT-BC15213  Artemisia tridentata subsp. tridentata Doris K. Kildale 1926-9-11 2770 Modoc Between Alturas and Marlin, Oregon. 1371 Comment
  HSC65394  Artemisia tridentata subsp. tridentata Thomas Wood 1979-8-9 225 Modoc Dirt rd. along Bidwell Creek, 2.7 mi. NW of junction with Co. Hwy. 2, N of Ft. Bidwell 1509 Comment
  RSA67246  Artemisia tridentata subsp. tridentata Philip A. Munz 1951-9-14 16983 Modoc Cedar Pass, Warner Mts. 1921 Comment
  SEINET3397749  Artemisia tridentata subsp. wyomingensis Unknown 1994-1 s.n. Modoc 5 mi. N. of Likely Comment
  SEINET201594  Asclepias cordifolia Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8496 Modoc Along Clear Lake; Warner Mts. 15 miles east of Likely. 1829 Comment
  SEINET11262208  Asclepias fascicularis Margaret J. Williams 1985-8-13 85- 66 -1 Modoc Big Sage Reservoir. N.W. of Alturas.; 0 1524 Comment
  UC22986  Asclepias fascicularis Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  CAS-BOT-BC15664  Asclepias speciosa Bruce Bartholomew 1994-7-4 6847 Modoc Hubert Creek. 1390 Comment
  CDA39827  Asclepias speciosa T. C. Fuller 1957-9-18 337 -57 Modoc Adin. 0 Comment
  CAS-BOT-BC54126  Asperugo procumbens Herbert Louis Mason; Verne Grant 1947-7-12 13416 Modoc Near S end of W Side Road, Pit River Valley, S of Alturas. Comment
  UCR74620  Aster eatonii R. D. Goeden, Don W. Ricker 1989-8-23 890823- 25 Modoc Modoc National Forest, South Main Road, near Crowder Flat 1550 Comment
  POM312507  Aster frondosus H. L. Mason 1947-8-11 13487 Modoc Reservoir, Kelley Hot Springs, on Alturas-Conby Highway Comment
  CHSC115560  Astragalus Lowell Ahart; John Dittes 2015-7-15 20342 Modoc About 300 yards northeast of the old barn, on the north side of the overgrown road, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC218221  Astragalus curvicarpus var. curvicarpus Elmer Ivan Applegate 1897-5-31 880 Modoc E side of Tule Lake below Bloody Point. Comment
  NY803545  Astragalus curvicarpus var. curvicarpus P. H. Raven 1958-6-18 13335 Modoc 8.6 miles west of Alturas on United States Highway 299 Comment
  NY803541  Astragalus curvicarpus var. curvicarpus L. S. Rose 1940-6-11 40513 Modoc Canby 1326 Comment
  CAS-BOT-BC182062  Astragalus filipes Leo David Whitney 1934-5-20 1924 Modoc Banks of Lost River near Clear Lake. 1463 Comment
  CAS-BOT-BC182072  Astragalus filipes Gordon H. True 1964-6-3 1430 Modoc Surprise Valley, 10 mi. N of Cedarville. 1463 Comment
  HSC25991  Astragalus filipes D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19507 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CDA26666  Astragalus filipes T. C. Fuller 1965-6-2 13593 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  HSC14513  Astragalus filipes R. C. Wunner 1965-6-26 282 Modoc Lava Beds N. M., .1 mi. from Blue Eyes Point by side of road. Comment
  HSC14514  Astragalus filipes R. C. Wunner 1965-6-13 164 Modoc Lava Beds National Monument, Gillems Camp near old dump. 1220 Comment
  JEPS65672  Astragalus filipes Frances D. Payne 1932-6-22 580 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  RSA0006759  Astragalus filipes H. D. Ripley, R. C. Barneby 1944-5-31 5993 Modoc Mesa NW of Alturas. 1372 Comment
  UC727151  Astragalus filipes A. A. Heller 1938-6-24 15226 Modoc on U.S. Highway #299 between Alturas and Canby; between Alturas and Canby 1341 Comment
  CDA20479  Astragalus lemmonii V. Popescu 2004-5-27 s.n. Modoc Modoc Plateau; Ash Creek State Wildlife Refuge near Adin. 0 Comment
  NY675510  Astragalus lentiginosus var. chartaceus Mrs. M. H. Manning 1907-6-15 s.n. Modoc Warner Range, east side Comment
  POM128976  Astragalus lentiginosus var. lentiginosus Franklin P. Nutting s.n. Modoc Near Egg Lake Comment
Read comments
Sep 29 2008
  UC13402  Astragalus lentiginosus var. lentiginosus Milo S. Baker 1893-6-2 Modoc Comment
  CAS-BOT-BC182054  Astragalus malacus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6449 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  NY676223  Astragalus malacus B. M. Bartholomew 1993-5-10 6449 Modoc At the Nevada border directly east of Eagleville, east side of Surprise Valley 1520 Comment
  UCD105092  Astragalus malacus B. L. Kay 1960-6-1 s.n. Modoc 2.5 miles northeast of Likely. 1371 Comment
  NY677319  Astragalus obscurus B. M. Bartholomew 1991-5-24 5740 Modoc Near northwest side of Big Mud Lake and 2 km southwest of Nevada State boundary 1680 Comment
  CAS-BOT-BC182025  Astragalus purshii Alice Eastwood; John Thomas Howell 1940-6-14 8245 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC182027  Astragalus purshii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6466 Modoc Below Emerson Campground, E side of Warner Mountains. 1710 Comment
  CAS-BOT-BC182030  Astragalus purshii M. M. Hanna 1956-6-5 964 Modoc Cedar Pass Road. Comment
  CAS-BOT-BC182035  Astragalus purshii Bruce Bartholomew; Barrett Anderson 1989-4-29 4683 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC182037  Astragalus purshii Bruce Bartholomew; Barrett Anderson 1989-4-28 4643 Modoc 6.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1400 Comment
  HSC14532  Astragalus purshii var. lagopinus M. T. Milligan 1966-6-19 468 Modoc Plateau W of Jess Valley 1829 Comment
  RSA101378  Astragalus purshii var. tinctus R. Weatherby 1955-7-8 1636 Modoc 3 miles north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  RSA0006855  Astragalus purshii var. tinctus H. D. Ripley, R. C. Barneby 1949-6-11 14 Modoc About 8 mi. N of Davis Creek, Hwy 395 - 29.6 mi. N of Alturas. Comment
  RSA59491  Astragalus whitneyi E. K. Balls 1950-5-18 14 .741 Modoc 1 mi. S.W. of Canby Bridge on Hwy. 299. 1341 Comment
  UCSB48318  Astragalus whitneyi var. confusus Hardham, Clare 1961-6-18 Modoc Mountains south of Cedar Pass 1981 Comment
  RSA11933  Astragalus whitneyi var. confusus Elmer I. Applegate 1932-8-1 8015 Modoc Warren Peak, Warner Mountains. Comment
  RSA504827  Astragalus whitneyi var. confusus Bruce Bartholomew, B. Anderson 1988-6-25 4375 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  CAS-BOT-BC181999  Astragalus whitneyi var. lenophyllus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16381 Modoc Near junction of Cedar Pass road to Calif. State Highway 299, 5.5 mi. N of Alturas. Comment
  CAS-BOT-BC182004  Astragalus whitneyi var. lenophyllus Edward Kent Balls 1950-5-10 15964 Modoc 0.5 mi. past fork of Hwy 395 and road from Altuas to Cedarville. 1584 Comment
  CAS-BOT-BC182012  Astragalus whitneyi var. lenophyllus C. L. Hitchcock 1940-5-27 6693 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC182020  Astragalus whitneyi var. lenophyllus Elmer Ivan Applegate 1932-8-1 8015 Modoc Warren Peak, Warner Mts. Comment
  SEINET948800  Astragalus whitneyi var. siskiyouensis Ira L. Wiggins, Dorothy B. Wiggins 1961-1 16525 Modoc Yellow Pine Forest 6.4 mi W of Canby Comment
  CAS-BOT-BC17522  Athysanus pusillus B. Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6486 Modoc Near southeast corner of Big Sage Reservoir, 5.3 km east of Crowder Flat Road. 1580 Comment
  CAS-BOT-BC58461  Athysanus pusillus Bruce Bartholomew; Barrett Anderson 1989-4-27 4626 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  RSA185332  Athysanus pusillus Clare B. Hardham 1961-6-17 7512 -A Modoc Cedar Pass Campground, Warner Mountains. Comment
  SBBG117943  Athysanus pusillus R. C. Rollins, K. Rollins 1981-6-1 81189 Modoc Cedar Summit between Alturas and Cedarville, off St Hwy 299 1889 Comment
  RSA624445  Atriplex argentea L. C. Wheeler 1935-9-4 3941 Modoc Goose Lake: McGinty Point. 1463 Comment
  JEPS19751  Atriplex gardneri var. falcata Rimo Bacigalupi with S. Galen Smith 1957-6-28 5985 Modoc along roadside of U.S. Highway 299 4.2 mi w Alturas; w of Alturas 1371 Comment
  JEPS121188  Atriplex rosea Lowell Ahart, John Dittes 2013-7-25 18956 Modoc Along the N-S fence, S edge of Ash Creek floodplain, NW of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  POM312478  Atriplex rosea H. L. Mason 1947-8-9 13477 Modoc East side of Fairchild Swamp, north of Alturas Comment
  JEPS118231  Atriplex truncata Dean W. Taylor 1989-8-4 10425 Modoc Surprise Valley; between Middle Lake and Lower Lake, ca. 2.5 mi N of Eagleville 1231 Comment
  CAS-BOT-BC30209  Azolla mexicana Herbert Louis Mason 1947-8-12 13503 Modoc Junction of North and South Forks of Pit River, Alturas. Comment
  UC1536834  Balsamorhiza hookeri G. H. True Jr. 1937-5-26 954 Modoc Adin Summit 1524 Comment
  CHSC67159  Balsamorhiza macrolepis var. platylepis James D. Jokerst 1994-5-3 4038 Modoc Devils Garden located 4 mi E of Spalding Butte, 1.5 mi SW of Mud Lake. +- 100 ft N of milepost 42. Comment
  SEINET476714  Balsamorhiza macrolepis var. platylepis Unknown 1923-4-26 Modoc Lookout Comment
  CAS-BOT-BC15199  Balsamorhiza sagittata Lindsay Stuart Smith; E. H. Steffen 1917-6-2 29 Modoc Jess Valley, Modoc National Forest 1524 Comment
  CAS-BOT-BC15200  Balsamorhiza sagittata S. Saufferer 1973-5-5 130 Modoc About 7.5 mi. S of Pine Creek, along Hwy 395. Comment
  RSA584726  Balsamorhiza serrata Bruce Bartholomew, Gilbert, Skog 1993-5-10 6469 Modoc 1.6 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley 1600 Comment
  SEINET10757887  Balsamorhiza serrata Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 929 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  CAS-BOT-BC58672  Barbarea orthoceras Bruce Bartholomew 1994-7-2 6810 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2150 Comment
  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
  JEPS53242  Barbarea orthoceras Frances D. Payne 1931-6-22 237 Modoc s and e of Alturas (Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Dry Creek 1828 Comment
  CAS-BOT-BC248383  Beckmannia syzigachne Robert F. Thorne; C. W. Tilforth 1969-9-4 39057 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1432 Comment
  CDA31540  Beckmannia syzigachne T. C. Fuller 1958-7-8 1951 Modoc Likely: Corporation Ranch 0 Comment
  JEPS114846  Beckmannia syzigachne Lowell Ahart, John Dittes 2008-6-21 14991 Modoc In shallow water and on wet soil, along the edge of the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (ai 1255 Comment
  UC1100215  Beckmannia syzigachne Herbert L. Mason 1947-7-11 13367 Modoc irrigation ditch by Jones Lane (off Hwy 395, s of Alturas) Comment
  UCSB18053  Berberis aquifolium var. repens Haller, John 1962-6-8 Modoc Vicinity of Cave Lake, 1 mile west of Summit of New Pine Creek-Fort Bidwell Road, Warner Mountains 2072 Comment
  RSA584832  Betula occidentalis Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-10 6468 Modoc Along Emerson Creek below Emerson Campground, E side of Warner Mountains. 1600 Comment
  CAS-BOT-BC218118  Bistorta bistortoides Bruce Bartholomew 1990-6-15 5236 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC15082  Blepharipappus scaber David Daniels Keck; Jens Chr. Clausen 1935-6-24 3711 Modoc 3 mi. NE of Willow Ranch E of Goose Lake. 1550 Comment
  CAS-BOT-BC15083  Blepharipappus scaber David D. Keck; J. Clausen 1919-6-13 72 Modoc 3 mi. NE of Willow Ranch, E of Goose Lake 1550 Comment
  CAS-BOT-BC15092  Blepharipappus scaber Lillian S. Mott 1976-5-29 5 LM76 Modoc Devil's Garden, N of Alturas. 1402 Comment
  CAS-BOT-BC15112  Blepharipappus scaber Bruce Bartholomew 1990-6-18 5367 Modoc SW side of Goose Lake, 2 km N of McGinty Point. 1420 Comment
  HSC28854  Blepharipappus scaber D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19370 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  JEPS22628  Blepharipappus scaber F. H. Frost 1925-7-20 93 Modoc 2 mi above Cedarville (Cedar Camp); Cedar Camp Comment
  UC894097  Blepharipappus scaber C. L. Hitchcock 1940-5-27 6670 Modoc 15 mi ne of Alturas 1615 Comment
  UC913086  Blepharipappus scaber David D. Keck and J. Clausen 1935-6-24 3711 Modoc 3 mi ne of, e of Goose Lake Willow Ranch 1554 Comment
  CAS-BOT-BC15078  Blepharipappus scaber Louis Cutter Wheeler 1935-8-1 3725 Modoc Pine Creek, Warner Mts. 1767 Comment
  HSC5985  Blepharipappus scaber R. C. Wunner 1965-7-1 321 Modoc California Lava Beds National Monument; top of Gillems Bluff near NW Ranger Station 1372 Comment
  OBI77379  Blepharipappus scaber Lewis S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  RSA508244  Blepharipappus scaber F. R. Fosberg 1957-8-18 38851 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  UC894093  Blepharipappus scaber Lewis S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  JEPS53152  Boechera L. S. Smith 1917-7-2 68 Modoc Warren Mt. Warner Mts. 2590 Comment
  RSA0125907  Boechera Clare B. Hardham 1961-6-19 7591 Modoc Davis Creek; Warner Mountains. 2134 Comment
  UC10141  Boechera Milo S. Baker Jun 15 1893-Jul 5 1893 Modoc Comment
  SJSU9626  Boechera californica W. Savage 1979-7-7 1440 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1499 Comment
  CAS-BOT-BC35122  Boechera microphylla Annie Montague Alexander; L. Kellogg 1946-7-24 5074 Modoc Horse Mountain, Warner Mts. Comment
  UC922248  Boechera platysperma Annie M. Alexander and Louise Kellogg 1946-7-23 5054 a Modoc ne slope Emerson Peak; Warner Mountains Comment
  CAS-BOT-BC14524  Boechera puberula B. Bartholomew 1993-6-14 6662 Modoc 8.7 km east of County Road 114 on County Road 108, northwest of Clear Lake Reservoir. 1450 Comment
  UC117909  Boechera retrofracta unknown Jun 1894 209 Modoc Willow Creek Valley Comment
  UCD114456  Boechera retrofracta Alan A. Beetle 1941-6-29 2819 Modoc 10 miles west of Alturas, rd. to Cedarville Pass. Comment
  CHSC67093  Boechera sparsiflora James D. Jokerst 1987-5-11 2820 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  UC748377  Boechera sparsiflora Annie M. Alexander and Louise Kellogg 1946-6-30 4880 Modoc n end Warner Mountains (w side of ridge, Highgrade); , Highgrade 2377 Comment
  CAS-BOT-BC58570  Boechera stricta Bruce Bartholomew; Barrett Anderson 1990-7-20 5515 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  SBBG2382  Boechera stricta H. and M. Dearing 1939-6-8 3595 Modoc Lily Lake, Warner Mtns 1828 Comment
  CAS-BOT-BC25903  Boechera suffrutescens Marion Ownbey; Fred G. Meyer 1940-7-1 2147 Modoc Warner Mountains. Cedar Peak. Comment
  UC2116  Bolboschoenus fluviatilis Milo S. Baker 1893-7-2 Modoc Egg Lake Comment
  CHSC106188  Bolboschoenus maritimus subsp. paludosus Lowell Ahart; John Dittes 2010-8-31 17135 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS89874  Botrychium simplex var. simplex Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10474 Modoc North Emerson Lake Warner Mts., North Emerson Lake 2392 Comment
  CAS-BOT-BC242447  Bromus briziformis Margaret J. Williams; et al 1988-6-2 88- 28 -1 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  HSC80915  Bromus briziformis G. M. Riegel 1980-6-30 789 Modoc S Warner Mtns. 1739 Comment
  HSC9115  Bromus briziformis M. T. Milligan 1965-6-27 374 Modoc N end Jess Valley 1616 Comment
  SJSU9580  Bromus briziformis W. Savage 1979-7-4 1340 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET4344995  Bromus briziformis M. J. Williams, J. Nachlinger 1988-6-2 88- 28 -1 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  UCD57984  Bromus carinatus L. D. Whitney 1935-7-13 s.n. Modoc Pit River--Stone Coal Valley. Comment
  UCD58303  Bromus carinatus L. D. Whitney 1935-7-11 s.n. Modoc Hackamore. Comment
  CAS-BOT-BC242440  Bromus carinatus var. carinatus Bruce Bartholomew 1992-8-9 6395 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mountains. 2500 Comment
  CAS-BOT-BC242445  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1990-7-20 5546 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  JEPS69155  Bromus carinatus var. carinatus Leland S. Smith 1924-5-26 Modoc near Pit River Ranger Station Comment
  JEPS69157  Bromus carinatus var. carinatus L. S. Smith 1917-7-24 111 Modoc Warner Mountains, Joseph Creek Joseph Creek; Warner Mountains, Joseph Creek 1981 Comment
  UC1024876  Bromus carinatus var. carinatus Leo Whitney 1935-5-26 3148 a Modoc 18 mi wnw of Canby (Hole-in-the-rock, U.S.B.E Plot); Hole-in-the-rock Comment
  CAS-BOT-BC149159  Bromus carinatus var. marginatus L. S. Smith 1922-6-1 1422 Modoc Modoc Forest. Lava Trail west of Lava R.S. Comment
  CAS-BOT-BC242471  Bromus hordeaceus Leland S. Smith 1918-6-12 932 Modoc Buck Creek Ranger Station. 1706 Comment
  CAS-BOT-BC242461  Bromus japonicus Bruce Bartholomew 1989-7-14 4922 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  SJSU9568  Bromus japonicus Wayne Savage 1979-7-3 1310 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD32725  Bromus japonicus Beecher Crampton 1954-7-7 2163 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCD57992  Bromus japonicus Louis C. Wheeler 1973-8-23 s.n. Modoc Big Mud Lake. Comment
  UC53739  Bromus orcuttianus unknown Modoc California Comment
  UC1024846  Bromus tectorum Leo Whitney 1935-6-9 3204 Modoc White Horse Comment
  CAS-BOT-BC197587  Calandrinia ciliata Bruce Bartholomew 1995-8-1 7146 Modoc 12 Mile Creek, E side of the Warner Mountains. 2110 Comment
  UC1101528  Callitriche hermaphroditica Herbert L. Mason and Verne Grant 1947-7-10 13348 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  RSA210830  Callitriche hermaphroditica J. Henrickson, C. W. Tilforth 1969-9-4 39115 Modoc N Fork of Pit River 3.4 mi. N. of Alturas where crossed by Hwy 395. 1341 Comment
  CHSC99771  Callitriche heterophylla var. bolanderi Lowell Ahart; John Dittes 2008-6-21 14983 Modoc In shallow water and stranded on mud, west end of a large culvert, west of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  CHSC117055  Callitriche palustris Lowell Ahart; John Dittes 2016-6-6 20967 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
  RSA551338  Callitriche verna Bruce Bartholomew 1991-10-13 6120 Modoc Dismal Swamp, N end of Warner Mts. 2200 Comment
  UCD132874  Calocedrus decurrens Richard R. Halse 2006-8-4 6999 Modoc along Highgrade Road ca. 4.4 miles north of Fort Bidwell, north end of the Warner Mountains, east slope. 1765 Comment
  RSA17450  Calochortus leichtlinii Elmer I. Applegate 1932-8-1 8042 Modoc Arid summit of Warner Mountains near and south of Warren Peak 2439 Comment
  CHSC67722  Calochortus longebarbatus J. D. Jokerst 1983-7-14 1841 Modoc NW of Aden, center of south edge of Township/Range. 150 meters SW of logging road. Comment
Read comments
Jul 6 2007
  CAS-BOT-BC242146  Calochortus macrocarpus K. Paulson; Robert Paulson 1989-7-18 192 Modoc Parker Creek Rd. 1676 Comment
  CAS-BOT-BC242150  Calochortus macrocarpus Isabelo T. Kelly 1930-1-1 8 Modoc Near Ft. Bidwell. Comment
  JEPS17837  Calochortus macrocarpus W. L. Jepson 1918-8-7 7857 Modoc Mt. Bidwell 2072 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
  SJSU9694  Calochortus macrocarpus W. Savage 1979-7-20 1549 Modoc Oregon Rim Unit, Devils Garden District, 200yds S of SE end of Renner Lake, Modoc National Forest 1524 Comment
  CAS-BOT-BC217327  Caltha leptosepala Annie Montague Alexander; L. Kellogg 1946-6-26 4829 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  CAS-BOT-BC217330  Caltha leptosepala Bruce Bartholomew 1992-5-15 6302 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC218350  Caltha leptosepala Leland S. Smith 1918-6-23 956 Modoc Near Big Four Mine, High Grade District, Mineral Spring. 2377 Comment
  CAS-BOT-BC197580  Calyptridium umbellatum Bruce Bartholomew; Barrett Anderson 1988-6-24 4340 Modoc Cave Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC197585  Calyptridium umbellatum Annie Montague Alexander; L. Kellogg 1946-6-25 4825 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  JEPS52550  Calyptridium umbellatum Frances D. Payne 1929-7-26 Modoc Warren Peak; Warner Mountains, Warren Peak Comment
  CAS-BOT-BC95583  Calystegia occidentalis subsp. occidentalis Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10616 Modoc Summit of Fandango Pass. 1889 Comment
  CDA33812  Calystegia occidentalis subsp. occidentalis Dale Woods 2010-7-1 s.n. Modoc Approx. 2 miles southeast of Hwy 299 along Kelly Springs Rd., at a west-facing overlook. 0 Comment
  UC71724  Calystegia occidentalis subsp. occidentalis Mrs. M. H. Manning July, 1903 40 Modoc near Fort Bidwell (mountains, north-eastern Modoc County); near Fort Bidwell Comment
  CAS-BOT-BC242124  Camassia quamash subsp. breviflora E. S. Willits 1940-5-17 257 Modoc Willow Ranch. Comment
  CAS-BOT-BC242129  Camassia quamash subsp. breviflora Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-5-29 773 Modoc 1 mi. E of Lake City. Comment
  CAS-BOT-BC242134  Camassia quamash subsp. breviflora K. Paulson; Robert Paulson 1989-5-21 120 A Modoc Devil's Garden near Blue Mountain. 1562 Comment
  UC1037228  Camassia quamash subsp. breviflora Leo Whitney 1934-5-13 1742 Modoc ene of Clear Lake (Weed Valley in northern part of county); Weed Valley 1524 Comment
  RSA59515  Camassia quamash subsp. breviflora E. K. Balls 1950-5-13 14660 Modoc 5 miles north of Bucks Creek, Highway 395, east of Goose Lake 1677 Comment
  RSA59816  Camassia quamash subsp. breviflora E. K. Balls 1950-5-15 14697 Modoc 15.8 miles northwest of Canby, Highway 139, by to to Hackamore 1402 Comment
  UCD138389  Camassia quamash subsp. breviflora Malcolm A. Nobs; S. Galen Smith 1949-5-29 773 Modoc one mile east of Lake City. Comment
  CHSC107345  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
  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
  UCD150429  Camelina microcarpa Harry A. George 1966-6-2 s.n. Modoc Davis Creek, Lakeside Ranch. Comment
  CHSC107382  Camissonia contorta Lowell Ahart; John Dittes 2011-6-22 17544 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  JEPS118276  Camissonia contorta Lowell Ahart, John Dittes 2011-6-22 17544 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  UC20540  Camissonia contorta M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  CAS-BOT-BC191111  Camissonia contorta Mrs. H. C. Cantelow 1940-6-2 4045 Modoc Road to lava beds NW of Canby. Comment
  CAS-BOT-BC191106  Camissonia pubens Leland S. Smith 1920-7-13 1197 Modoc Round Valley. 1402 Comment
  HSC16482  Camissonia subacaulis M. T. Milligan 1964-6-25 80 Modoc Upper Lassen Creek 1829 Comment
  POM38108  Camissonia subacaulis C. C. Bruce 1898-06 2203 Modoc Lake City Mt. Comment
  CAS-BOT-BC191078  Camissonia tanacetifolia subsp. tanacetifolia John Thomas Howell 1934-6-15 12196 Modoc Dorris Reservoir. Comment
  CAS-BOT-BC191080  Camissonia tanacetifolia subsp. tanacetifolia Mrs. H. C. Cantelow 1940-5-31 4044 Modoc 0.8 mi. E of Canby. Comment
  CAS-BOT-BC191093  Camissonia tanacetifolia subsp. tanacetifolia Peter Hamilton Raven 1962-5-29 17896 Modoc Hwy 139 at S road to Lava Beds National Monument. Comment
  RSA101367  Camissonia tanacetifolia subsp. tanacetifolia R. Weatherby 1955-7-8 1616 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  RSA518987  Camissonia tanacetifolia subsp. tanacetifolia Barbara Ertter 1988-6-18 7606 Modoc West side of Highway 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument. 1250 Comment
  CAS-BOT-BC191085  Camissonia tanacetifolia subsp. tanacetifolia Leland S. Smith 1918-5-16 926 Modoc Centerville Road W of Alturas. Comment
  UC117882  Capsella bursa-pastoris Mrs. R. M. Austin May 1894 20 Modoc Goose Lake Valley Comment
  HSC81064  Cardamine breweri G. M. Riegel 1980-8-16 1037 Modoc S Warner Mtns. 2100 Comment
  CHSC109514  Carex abrupta L. P. Janeway; B. Castro 2012-7-25 10980 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  CAS-BOT-BC245137  Carex aurea Roxana Stinchfield Ferris; R. Duthie 1919-6-15 164 Modoc Along Parker Creek below Modoc National Forest Boundary. Comment
  UC143709  Carex aurea M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mts. Comment
  SEINET7556726 Image available Carex densa Juha Pykala, D. H. Norris 1987-5-27 1075 Modoc Modoc National Forest. Upper Rush Creek Campground. 1554 Comment
  CAS-BOT-BC245191  Carex diandra Robert Folger Thorne; C. W. Tilforth 1969-9-5 39164 Modoc Clear Lake. 1767 Comment
  HSC48333  Carex hassei D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19358 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC1024334  Carex heteroneura Annie M. Alexander and Louise Kellogg 1946-7-18 5020 Modoc Upper end Benton Meadow, Warner Mountains. Comment
  HSC48188  Carex hoodii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19423 Modoc Near Hager Reservoir Comment
  CAS-BOT-BC245172  Carex nebrascensis John Thomas Howell 1934-6-15 12190 Modoc Alturas. Comment
  CAS-BOT-BC245162  Carex nebrascensis John H. Hatton 1911-6-12 49 Modoc Modoc County. 1493 Comment
  CAS-BOT-BC245154  Carex praegracilis Alice Eastwood; John Thomas Howell 1940-6-12 8035 Modoc Likely. Comment
  HSC7151  Carex rostrata M. T. Milligan 1966-6-30 505 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  SD130395  Carex scopulorum B. Bartholomew, B. Anderson 1988-7-23 4588 Modoc Warner Mountains; vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp;perennial. 2170 Comment
  JEPS114870  Carex sheldonii Lowell Ahart, John Dittes 2008-8-25 15292 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  UC1540257  Carex simulata Dean Wm. Taylor, Glenn L. Clifton 1987-6-24 9057 Modoc border of meadow tributary to lakebed Egg Lake 1280 Comment
  UC1537638  Carex simulata Gordon H. True Jr. 1939-6-28 991 Modoc se Alturas (Weber Ranch); South Fork of Pit River Comment
  CAS-BOT-BC117016  Carex straminiformis Elmer Ivan Applegate 1932-8-1 8063 Modoc Summit of Warner Mountains just S of Warren Peak. Comment
  RSA252422  Carex utriculata Robert F. Thorne, C. W. Tilforth 1969-9-5 39157 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  UCD140950  Carex utriculata L. S. Smith 1918-8-11 s.n. Modoc Lost Lake trail. 2286 Comment
  RSA252451  Carex vesicaria Robert F. Thorne, C. W. Tilforth 1969-7-5 39165 Modoc Modoc National Forest, Warner Mountains: Clear Lake. 1768 Comment
  UC190430  Carex vesicaria M. S. Baker and Frank Nutting 1894-5-26 Modoc Goose Valley Comment
  UC1024855  Carex whitneyi Leo Whitney 1935-6-6 3188 Modoc ca. 2 mi n Hole-in-the-rock (ca. 18 mi wnw of Canby) Comment
  CAS-BOT-BC180128  Castanopsis sempervirens Bruce Bartholomew 1995-7-31 7120 Modoc 0.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 2250 Comment
  RSA504668  Castilleja angustifolia K. Paulson, R. Paulson 1988-5-24 17 Modoc Granger Canyon, Warner Mountains. 1494 Comment
  CAS-BOT-BC225983  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-12 8107 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC225997  Castilleja applegatei subsp. pinetorum Edward Kent Balls 1950-5-10 15967 Modoc 0.5 mi. E of fork of Hwy 395 and Alturas Rd. 1584 Comment
  HSC30195  Castilleja applegatei subsp. pinetorum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19470 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  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
  RSA185375  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-18 7595 Modoc Warner Mountains, Davis Creek. 2134 Comment
  SEINET13732756  Castilleja applegatei subsp. pinetorum M. J. Williams 1983-7-29 83- 116 -9 Modoc Warner Mountains, N of Cedar Pass, 1.1 miles N of Stough Reservoir Campground. 2088 Comment
  CAS-BOT-BC226004  Castilleja arachnoidea K. Paulson; Robert Paulson 1991-7-27 247 Modoc Sugar Hill Lookout. 2202 Comment
  CAS-BOT-BC226012  Castilleja arachnoidea Bruce Bartholomew 1995-8-1 7162 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  JEPS29113  Castilleja arachnoidea Lauramay T. Dempster 1961-6-20 1718 Modoc just n junction of Dismal Creek Road with Fort Bidwell Road; Warner Mts. 2346 Comment
  CHSC112421  Castilleja chromosa Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18765 Modoc About 300 yards east of the Parking Area, east 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-BC226027  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1989-6-1 4725 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC226030  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1988-6-23 4282 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 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
  HSC20867  Castilleja lacera M. T. Milligan 1964-7-1 120 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  UC1063397  Castilleja lacera R. C. Wilson 1933-6-21 86 Modoc Stone Coal Valley Creek; Modoc National Forest, Canby Quad. 1402 Comment
  UC579762  Castilleja lacera David D. Keck and J. Clausen 1935-6-24 3720 Modoc 14 mi s New Pine Creek 1524 Comment
  JEPS79130  Castilleja lacera L. R. Heckard with R. Bacigalupi 1980-6-10 5233 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  JEPS8722  Castilleja linariifolia W. I. Follett 1942-9-10 138 Modoc Cowhead Lake, ne corner of Modoc County Cowhead Lake Comment
  UC711895  Castilleja miniata Roxana S. Ferris and Laura Lorraine 1941-8-13 10523 Modoc Patterson Ranger Station Warner Mountains, Modoc National Forest, East Creek (East Creek drainage) 2164 Comment
  CAS-BOT-BC32642  Castilleja payneae Francis Dorris Payne 1929-7-26 126 Modoc Mt. Warren, Warner Mts. 2944 Comment
  CAS-BOT-BC226054  Castilleja pilosa Elmer Ivan Applegate 1932-7-9 7602 Modoc N slope of Bidwell Mountain. Comment
  CAS-BOT-BC226059  Castilleja pilosa R. M. Austin 1894-7-1 s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC241009  Castilleja pilosa Alice Eastwood; John Thomas Howell 1940-6-14 8206 Modoc Near Kelley Hot Springs Comment
  UC1228137  Castilleja pilosa Beecher Crampton 1960-6-17 5699 Modoc 13 mi w Canby (McKay Flat); McKay Flat 1280 Comment
  SEINET14173038  Castilleja tenuis M. J. Williams 1983-7-29 83- 116 -3 Modoc Warner Mountains, 1.1 mile N of Stough Reservoir Campground, N of Cedar Pass. 2088 Comment
  UC1585989  Castilleja tenuis Barbara Ertter 1988-6-18 7623 Modoc 1 mi s Hwy. 139, s jct. to Lava Beds Natl. Monument e of Tonesta (a few mi n of Agric. Inspection Station, ca 50 air mi sw of Klamath Falls) 1310 Comment
  UC748084  Castilleja tenuis Annie M. Alexander and Louise Kellogg 1946-7-7 4929 Modoc Eight Mile Creek; ne corner of Modoc County 1752 Comment
  OBI10317  Ceanothus X flexilis H. E. McMinn 1941-8-27 5396 Modoc 0.5 mi from jctn of hwy 89 and hwy 299 on way to Alturas Comment
  CAS-BOT-BC217140  Ceanothus cuneatus var. cuneatus Bruce Bartholomew 1995-5-12 6897 Modoc SW flank of White Horse Mountains between Day and Day Rock. 1210 Comment
  RSA126441  Ceanothus integerrimus var. californicus Franklin Nutting s.n. Modoc Big Valley Mts Comment
  CAS-BOT-BC217106  Ceanothus prostratus L. A. M. Black 1894-1-1 93 Modoc Davis Creek. Comment
  CAS-BOT-BC217111  Ceanothus prostratus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6508 Modoc Ca. 3 km S of Oregon border on Forest Service Rte. 7. 1720 Comment
  CAS-BOT-BC217145  Ceanothus prostratus Milo Samuel Baker 1893-1-1 s.n. Modoc Forest Dale Comment
  HSC80758  Ceanothus prostratus G. M. Riegel 1978-6-25 14 Modoc S Warner Mtns. 1670 Comment
  JEPS42256  Ceanothus prostratus Milo S. Baker 1893-6 Modoc Forestdale Comment
  UC190598  Ceanothus prostratus M. F. Gilman 614 Modoc Warner Mts. 2133 Comment
  UCR87510  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles NW of Canby along Calif. Hwy 139 1280 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
  CHSC112755  Centaurea cyanus Lowell Ahart; John Dittes 2013-7-24 18937 Modoc South bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  UC1191678  Centaurium exaltatum Herbert L. Mason 1947-8-15 13553 Modoc e side Goose Lake (on Willow Ranch); Mouth of Crane Creek Comment
  UC1101388  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-7-22 8133 Modoc North Fork of Pit River by confluence with Gleason Creek on Highway 395 n Alturas; North Fork of Pit River by confluence w/ Gleason Creek Comment
  RSA1100  Cercocarpus ledifolius E. R. Johnson 1928-8-31 1193 Modoc E side of Lava Beds bet lookout and Bartle Comment
  RSA11803  Cercocarpus ledifolius Elmer I. Applegate 1932-8-1 8055 Modoc Warner Mtns, near summit S of Warner Peak. Comment
  RSA59655  Cercocarpus ledifolius E. K. Balls 1950-5-12 14635 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  CAS-BOT-BC197536  Cercocarpus ledifolius var. ledifolius Francis Dorris Payne 1931-6-17 160 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC214643  Cercocarpus ledifolius var. ledifolius Roxana Stinchfield Ferris; R. Duthie 1919-6-14 186 Modoc Parker Creek, Warner Mts. 1981 Comment
  CAS-BOT-BC497219  Chaenactis douglasii Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 27 -3 Modoc Hwy 395, 0.4 mi E of Susanville road after turn to Alturas Comment
  CAS-BOT-BC15058  Chaenactis douglasii var. douglasii Leland S. Smith 1918-7-7 977 Modoc Jess Valley, Modoc National Forest 1828 Comment
  CAS-BOT-BC15066  Chaenactis douglasii var. douglasii Isabelo T. Kelly 1930-1-1 53 A Modoc unspecified Comment
  CAS-BOT-BC15067  Chaenactis douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-7-7 4936 Modoc Eight Mile Creek, northeast corner of county 1752 Comment
  HSC67903  Chaenactis douglasii var. douglasii J. P. Smith, J. O. Sawyer 1973-8-8 7245 Modoc S slopes of Eagle Peak 2561 Comment
  HSC12272  Chaenactis douglasii var. douglasii Richard Spjut 1970-7-20 484 Modoc ca. 6 miles west of Davis Creek near the south end of Goose Lake 1402 Comment
  HSC5249  Chaenactis douglasii var. douglasii M. T. Milligan 1966-6-19 473 Modoc Plateau W of Jess Valley 1829 Comment
  HSC81052  Chaenactis nevadensis G. M. Riegel 1979-7-14 545 Modoc South Warner Mtns. 1739 Comment
  UC884531  Chamaesaracha nana C. L. Hitchcock 1940-5-27 6700 Modoc 15 mi ne Alturas 1615 Comment
  SEINET8731595 Image available Chamaesaracha nana Helen K. Sharsmith 1955-1 4509 Modoc adjacent to Highway 39 ca. 20 miles north of Canby, Modoc National Forest 1524 Comment
  RSA767683  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart, John Dittes 2010-8-30 17054 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
  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
  JEPS59681  Chenopodium album Frances D. Payne 1931-7-4 320 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC95519  Chenopodium berlandieri Francis Dorris Payne 1932-7-10 695 Modoc Parker Creek. 1584 Comment
  CDA3023  Chenopodium berlandieri var. zschackei T. C. Fuller 1964-10-8 12700 Modoc North side of road to Goose Lake, ca 3 miles west of Davis Creek. 0 Comment
  CDA32878  Chenopodium botrys M. Brooks 2009-11-1 PDR# 1526757 Modoc In the vicinity of Alturas. 0 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
  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
  SFV7751  Chenopodium leptophyllum T. Gordon, K. Kimbrough 1975-8-15 1217 Modoc Just east of the entrance to Lava Beds National Monument. 1280 Comment
  JEPS59758  Chenopodium pumilio Frances D. Payne 1935-7-19 789 Modoc Dry Creek Warner Mountains (mouth (tributary of Parker Creek), s and e of Alturas) Comment
  CHSC106333  Chenopodium rubrum var. humile Lowell Ahart; John Dittes 2010-8-30 17049 Modoc About 10 yards west of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC70347  Chimaphila menziesii Milo S. Baker July 1898 535 Modoc Forestdale Comment
  NY188266  Chimaphila umbellata B. M. Bartholomew 1989-8-10 5044 Modoc 8.7 km E of Day on County Road 94 Comment
  UCR93382  Chorispora tenella George K. Helmkamp, E. A. Helmkamp 1993-5-9 s.n. Modoc 2 mi from the Nevada border along calif. Hwy 139 1316 Comment
  CAS-BOT-BC58436  Chorispora tenella Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6450 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC15031  Chrysothamnus humilis Elmer Ivan Applegate 1932-8-5 8183 Modoc S slope of Cedar Mountain, Warner Mountains Comment
  RSA301908  Chrysothamnus nauseosus subsp. albicaulis L. C. Anderson 1958-8-24 1615 Modoc Cedar Pass Campgrounds in the Warren Mts., 8 miles W of Cedarville Comment
  RSA540062  Chrysothamnus nauseosus subsp. albicaulis Bruce Bartholomew, B. Anderson 1990-7-20 5457 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  POM229873  Chrysothamnus viscidiflorus subsp. viscidiflorus L. C. Wheeler 1935-8-12 3828 Modoc Cottonwood Creek, Warner Mts. 1982 Comment
  CDA38299  Cicuta douglasii T. C. Fuller 1964-10-8 12701 Modoc West side of Highway 395 at southern limits of Likely. 0 Comment
  CDA38305  Cicuta douglasii G. D. Barbe, John Kelley 1988-7-2 4297 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  RSA520382  Circaea alpina subsp. pacifica Bruce Bartholomew, B. Anderson 1990-7-20 5535 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mtns 1990 Comment
  CAS-BOT-BC14959  Cirsium cymosum John Thomas Howell 1934-6-13 12058 Modoc Fandango Pass. 1828 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
  CDA15027  Cirsium cymosum B. Villegas 1998-8-19 s.n. Modoc Cascade Range; Nr. New Pine Creek, 3.6 mi. E of Fandango Pass on Hwy 395. Comment
  CDA1195  Cirsium douglasii var. breweri G. D. Barbe, T. C. Fuller 1979-8-21 2545 Modoc 5.6 km S of Fort Bidwell; W side of County Hwy 1, 3.2 km N of Fandango Pass Rd. Comment
  CAS-BOT-BC14929  Cirsium occidentale var. candidissimum Roxana Stinchfield Ferris; L. Lorraine 1941-8-12 10511 Modoc Cedarville-Alturas Road, just below eastern summit of Cedar Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC14930  Cirsium occidentale var. candidissimum Edward Kent Balls; Percy C. Everett 1952-10-11 18157 Modoc 1 mi. SE of crest of Fandango Pass, Warner Mountains 1706 Comment
  CAS-BOT-BC14935  Cirsium occidentale var. candidissimum Roxana Stinchfield Ferris 1951-9-14 12466 Modoc Cedar Pass, Warner Mountains, between Cedarville and Alturas Comment
  HSC65596  Cirsium occidentale var. candidissimum Thomas Wood 1979-8-9 230 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of jct. with Co. Hwy. 2. N of Fort Bidwell 1555 Comment
  UC71591  Cirsium occidentale var. candidissimum Mrs. M. H. Manning Jul 1 1903-Aug 1 1903 263 Modoc near Fort Bidwell Comment
  CDA9112  Cirsium ochrocentrum Donald Collier 2008-6-3 PDR# 1291670 Modoc Alturas, 202 West 4th St. 0 Comment
  CAS-BOT-BC14942  Cirsium scariosum K. Paulson; Robert Paulson 1989-7-4 170 Modoc Ca. 1 mi. S of Patterson Ranger Station, S end of Warner Mts. 2121 Comment
  SEINET195634  Cirsium vaseyi Annie M. Alexander, Louise Kellogg 1946-6-14 4766 Modoc Silver Creek Branch of Patterson Mill road. 1829 Comment
  CAS-BOT-BC14943  Cirsium vulgare Bruce Bartholomew 1989-8-10 5036 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  JEPS59245  Cirsium vulgare F. H. Frost 1925-7-11 19 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon Comment
  CAS-BOT-BC191068  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 miles north of Alturas. (near Surprise) on dry slope 1402 Comment
  RSA0060030  Clarkia gracilis subsp. gracilis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16384 Modoc Rocky clay mesa 5 mi. east of California State Highway 299, along Cedar Pass Rd. Comment
  CAS-BOT-BC191049  Clarkia rhomboidea Francis Dorris Payne 1931-6-11 145 Modoc Parker Creek. 1584 Comment
  HSC75593  Clarkia rhomboidea G. M. Riegel 1980-7-22 921 Modoc S Warner Mtns. 1670 Comment
  RSA323621  Clarkia rhomboidea Arnold Tiehm 1984-6-30 8839 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  CAS-BOT-BC197448  Claytonia lanceolata Bruce Bartholomew; Barrett Anderson 1988-5-13 4161 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts. 1760 Comment
  NY497305  Claytonia perfoliata B. M. Bartholomew 1989-4-29 4667 Modoc West side of Upper Alkali Lake, 7 km south of Fort Bidwell, Surprise Valley 1370 Comment
  CAS-BOT-BC197474  Claytonia rubra subsp. rubra Bruce Bartholomew 1991-5-23 5690 Modoc 0.5 km E of Day on County Rd. 94. 1050 Comment
  HSC17707  Claytonia rubra subsp. rubra M. T. Milligan 1964-6-25 82 Modoc Upper Lassen Creek 1829 Comment
  CAS-BOT-BC197464  Claytonia rubra subsp. rubra John H. Hatton 1911-6-12 83 Modoc Modoc County. 1371 Comment
  UC83260  Cleome platycarpa F. Stephens 1894-7-16 Modoc Liberty 1432 Comment
  CAS-BOT-BC226100  Collinsia parviflora Frank Warrington Peirson 1926-6-25 6891 Modoc Small canyon 1 mi. E of summit of Cedar Pass, Cedar Road, Warner Mountains Comment
  CAS-BOT-BC229861  Collinsia parviflora Leland S. Smith 1919-5-3 1089 Modoc Rock Spring. 1726 Comment
  CHSC117876  Collinsia parviflora L. P. Janeway 2016-5-17 12025 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  JEPS4003  Collinsia parviflora Frances D. Payne 1932-6-27 622 Modoc s and e Alturas; Warner Mtns, Parker Creek 1584 Comment
  UC1032576  Collinsia parviflora R. C. Wilson 1933-6-11 45 Modoc Modoc National Forest, Rush Creek Rush Creek; Modoc National Forest, Rush Creek 1432 Comment
  UC71745  Collinsia parviflora Mrs. M. H. Manning 1903-4 73 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  UC748143  Collinsia parviflora Annie M. Alexander and Louise Kellogg 1946-6-14 4756 Modoc Silver Creek branch of Patterson Mill Road 1828 Comment
  UC748144  Collinsia parviflora Annie M. Alexander and Louise Kellogg 1946-7-17 5011 Modoc Warner Mountains, Benton Meadow Benton Meadow; Warner Mountains, Benton Meadow 2072 Comment
  UC1012481  Collinsia parviflora Francis W. Pennell Jun 7 1940-Jun 8 1940 25733 Modoc ne of Adin (along Rush Creek); Rush Creek 1432 Comment
  CAS-BOT-BC229871  Collinsia torreyi Annie Montague Alexander; L. Kellogg 1946-7-19 5035 Modoc Near Benton Meadow. 2072 Comment
  CAS-BOT-BC190739  Collomia grandiflora John Thomas Howell 1934-7-1 12319 Modoc Duncan Horse Camp. 1355 Comment
  SJSU11434  Collomia grandiflora H. L. Buckalew 1961-7-4 Modoc by Stough Reservoir 1 mi N of Cedar Pass on Alturas Cedarville Rd 1920 Comment
  UC1191644  Collomia grandiflora Verne Grant and A. Grant 1947-7-13 8018 Modoc Fandango Pass Warner Mountains Comment
  UCD118163  Collomia grandiflora J. M. Tucker 1950-7-25 1972 Modoc Beside Highway 139, 26.4 miles SE of Tule Lake. Comment
  JEPS71010  Collomia grandiflora Frances D. Payne 1929-7-22 106 Modoc s and e Alturas (woods and bare knolls); Warner Mountains, Parker Creek 1584 Comment
  UC1191648  Collomia grandiflora Verne Grant and Irving Schneider 1947-7-20 8106 Modoc downstream from Alturas; North Fork of Pit River 1341 Comment
  CAS-BOT-BC190724  Collomia linearis Barrett Anderson 1986-7-9 3173 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  CAS-BOT-BC190707  Collomia tinctoria Bruce Bartholomew 1993-6-12 6580 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC190713  Collomia tinctoria Betty J. Hammerly 1941-6-20 41 Modoc Clear Lake public camp. 1767 Comment
  RSA71945  Collomia tinctoria F. W. Peirson 1926-6-25 6892 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  CAS-BOT-BC21482  Conium maculatum Bruce Bartholomew 1991-7-6 5960 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  JEPS911  Conium maculatum L. S. Smith 1845-11-12 1175 Modoc Devils Garden District, Round Willow Round Willow; Devils Garden District, Round Willow Comment
  UC845200  Corallorhiza maculata Milo S. Baker 1893-7-10 Modoc Comment
  JEPS74348  Cordylanthus capitatus L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1974-7-24 3767 Modoc along forest service road 3.5 mi n Cedar Pass; Warner Mts. 2042 Comment
  JEPS78423  Cordylanthus capitatus Gary Schoolcraft 1979-8-9 171 Modoc above 10 mile Creek (just below fence crossing area, ca 4 mi ne of Bidwell Mt.) 1828 Comment
  JEPS16278  Cordylanthus ramosus Mrs. R. M. Austin July, 1894 245 Modoc Goose Lake Valley Comment
  SJSU9372  Cordylanthus ramosus W. Savage 1979-7-3 1273 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC210269  Cornus sericea Frances Payne 1931-6-10 141 Modoc Parker Creek, Warner Mts. 1584 Comment
  HSC100159  Cornus sericea J. P. Smith, & J. O. Sawyer 2011-8-14 13374 Modoc Along Jesse Valley Road, just E of the bridge over the Pit River. 1372 Comment
  POM337580  Cornus stolonifera F. R. Fosberg 1957-8-18 38848 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  CHSC107319  Crataegus douglasii Lowell Ahart; John Dittes 2011-6-21 17529 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4,500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber. 1271 Comment
  CHSC115523  Crataegus douglasii Lowell Ahart; John Dittes 2015-7-17 20369 Modoc On the south bank of Ash Creek, 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. 1279 Comment
  HSC102677  Crataegus douglasii J. P. Smith, J. O. Sawyer 2011-8-13 13365 Modoc Fence row along County Road 86. 1304 Comment
  CAS-BOT-BC14904  Crepis acuminata Bruce Bartholomew 1989-7-15 5010 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  POM203067  Crepis acuminata J. T. Howell 1934-6-30 12289 Modoc Duncan Horse Camp. Comment
  RSA163735  Crepis acuminata Clare B. Hardham 1961-6-18 7801 Modoc Lava Flows along north fork Pitt River 3.3 miles south of Cedar Pass Road 1372 Comment
  RSA95107  Crepis acuminata F. W. Peirson 1926-6-25 6872 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  CAS-BOT-BC14860  Crepis intermedia Bruce Bartholomew; Barrett Anderson 1988-6-25 4378 Modoc SW side of Jess Valley, Warner Mts.. 1540 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-BC14865  Crepis occidentalis Bruce Bartholomew 1991-7-4 5891 Modoc S end of Higgins Flat. 1370 Comment
  CHSC70465  Crepis occidentalis A. Sanger 1997-6-3 2481 Modoc Along Mowitz Rd, at Boles Cr. crossing. Upland above creek. 1463 Comment
  SBBG8043  Crepis occidentalis H. and M. Dearing 1939-6-8 3590 Modoc near Goose Lake 1219 Comment
  UC581323  Crepis occidentalis subsp. occidentalis G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2366 Modoc Round Valley; center, along state hwy 1060 Comment
  CAS-BOT-BC14859  Crepis occidentalis subsp. pumila Bruce Bartholomew; Barrett Anderson 1988-6-25 4384 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  HSC28857  Crepis occidentalis subsp. pumila D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19365 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC95593  Cressa truxillensis Bruce Bartholomew 1991-8-4 6014 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  CAS-BOT-BC14835  Crocidium multicaule Bruce Bartholomew 1993-4-3 6403 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  RSA584837  Crocidium multicaule Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-11 6484 Modoc 2.4 km east of Crowder Flat Road on road to south end of Big Sage Reservoir. 1620 Comment
  UC336352  Crocidium multicaule J. G. Lemmon 1879-5-1 Modoc Surprise Valley Comment
  UCD130993  Crocidium multicaule R. N. Raynor 1940-4-12 s.n. Modoc Alturas. Comment
  NY389200  Crupina vulgaris B. M. Bartholomew 1990-6-15 5212 Modoc Kelly Spring, 5.5 km SSE of Hwy 299 on road from Rush Creek Comment
  CDA36317  Crupina vulgaris CDFA Staff 1992-1 Modoc 0 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
  UC1140902  Crypsis vaginiflora L. Whitney 1935-7-21 3563 Modoc Stone Coal Valley Pit River Comment
  CAS-BOT-BC54127  Cryptantha affinis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10529 A Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  JEPS90284  Cryptantha ambigua Dean Wm. Taylor with Glenn L. Clifton 1989-8-4 10522 Modoc on road to Emerson Camp from Surprise Valley (Warner Mountains, Cole Creek, Emerson Creek drainage); Warner Mountains, Cole Creek 1554 Comment
  CDA19937  Cryptantha ambigua D. Crum 2002-7-2 PDR 1151612 Modoc Northern California; Vicinity of Alturas 0 Comment
  CAS-BOT-BC54138  Cryptantha circumscissa Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6457 Modoc 7.9 km W of the Nevada border on the road to Eagleville, E side of Surprise Valley. 1445 Comment
  CAS-BOT-BC54102  Cryptantha intermedia Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5989 Modoc NW of Alturas. 1371 Comment
  CAS-BOT-BC54110  Cryptantha intermedia C. C. (Mrs.) Bruce 1893-6-1 84 Modoc Davis Creek. Comment
  CAS-BOT-BC54144  Cryptantha intermedia Mrs. H. C. Cantelow 1940-6-2 3318 Modoc 9.3 mi NW of Canby. Comment
  CAS-BOT-BC54121  Cryptantha sobolifera Annie Montague Alexander; L. Kellogg 1946-8-8 5125 Modoc Patterson Lake Trail. 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
  SBBG19793  Cryptantha torreyana C. B. Hardham 1961-6-19 7843 Modoc Willow Crk Comment
  UC573118  Cryptantha torreyana F. H. Frost 1925-7-25 62 Modoc Eagle Peak Warner Mountains Comment
  UC1321449  Cupressus bakeri C. O. Stone 1964-6-20 COS- 291 Modoc just w of n 1/4 Cor. of Sec. 18 (at logging road crossing: NE1/4, NE1/4, NW1/4); Fall River Mills Quad. 1085 Comment
  UC55243  Cupressus bakeri H. M. Hall and E. B. Babcock 1903-7-1 4231 Modoc lava beds of sw Modoc Co. Sierra Nevada Mountains 1219 Comment
  JEPS43033  Cuscuta approximata Frances D. Payne 1932-7-22 732 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UCD126232  Cuscuta approximata Goss 1932-10-3 7 Modoc Exact location unknown. 388 Comment
  UC450147  Cuscuta subinclusa Milo S. Baker 1899-8-14 Modoc Little Hot Springs Valley Comment
  UC190418  Cyperus squarrosus M. S. Baker and Frank Nutting 1894-8-20 Modoc Forestdale 1371 Comment
  UC72233  Cypripedium montanum Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC4451  Cypripedium montanum Milo S. Baker 1893-6-29 Modoc Comment
  HSC31349  Cystopteris fragilis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19456 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC672642  Cystopteris fragilis F. H. Frost 1925-7-11 10 Modoc Cedar Canyon Campsite; Warner Mts. Comment
  UC70669  Dactylis glomerata Mrs. M. H. Manning June 1903 407 Modoc north-eastern Modoc County Comment
  CAS-BOT-BC245219  Damasonium californicum John Thomas Howell 1934-6-15 12184 Modoc Alturas. Comment
  UC1100147  Damasonium californicum Malcolm A. Nobs and S. Galen Smith 1949-5-30 774 Modoc w. Alturas (1/2 mi. e. of junction of County Rds. 70 & 54) Comment
  CAS-BOT-BC242492  Danthonia californica S. Stutz; T. Scofield 1969-7-17 1 Modoc Vicinity of Poison Spring. 1676 Comment
  CAS-BOT-BC242489  Danthonia unispicata C. L. Hitchcock 1940-5-28 6720 Modoc Near Surprise, ca. 15 mi. N of Alturas. 1402 Comment
  JEPS68530  Danthonia unispicata L. S. Smith 1917-7-2 63 1/2 Modoc N. Fk. Pine Creek Warner Mts. 2286 Comment
  SEINET191905 Image available Danthonia unispicata C. L. Hitchcock 1940-4-28 6720 Modoc Near Suprise ca. 15 miles north of Alturas. 1402 Comment
  CHSC112829  Deinandra lobbii Lowell Ahart; John Dittes 2013-7-25 18958 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CAS-BOT-BC217335  Delphinium andersonii Bruce Bartholomew 1991-5-24 5717 Modoc Surprise Valley, 7.7 km NE of County Rd. 37 on County Rd. 38, at the Nevada State boundary. 1370 Comment
  CHSC67128  Delphinium andersonii James D. Jokerst 1987-5-11 2827 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  CAS-BOT-BC498678  Delphinium andersonii Ethel S. Willits 1940-5-15 249 Modoc Willow Ranch 1371 Comment
  RSA165629  Delphinium depauperatum Clare B. Hardham 1961-6-18 7569 Modoc Cedar Pass Comment
  CAS-BOT-BC217304  Delphinium nudicaule Bruce Bartholomew 1994-5-14 6684 Modoc Near Day Rock. 1280 Comment
  CAS-BOT-BC217276  Delphinium nuttallianum E. S. Willits 1940-5-6 222 Modoc Open hillside near Lassen Creek, Willow Ranch. 1371 Comment
  CAS-BOT-BC217282  Delphinium nuttallianum Bruce Bartholomew 1994-5-14 6686 Modoc 5.1 km SE of Burlington Railroad Northern railroad track on road between Egg Lake and Lookout. 1400 Comment
  CAS-BOT-BC217312  Delphinium nuttallianum Annie Montague Alexander; L. Kellogg 1946-6-5 4667 Modoc Emerson Creek, S of Eagleville, Warner Mts. 1981 Comment
  UC118561  Delphinium nuttallianum Mrs. R. M. Austin July 1884 Modoc Goose Lake Valley Comment
  UCSB17309  Delphinium nuttallianum 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
  RSA647813  Delphinium nuttallianum Marion P. Harthill 1972-4-17 849 Modoc Cedar Pass, alt 6300ft. 1921 Comment
  UC9126  Delphinium nuttallianum Milo S. Baker 1893-6 Modoc Hillside; s face Comment
  CAS-BOT-BC242484  Deschampsia cespitosa subsp. cespitosa Bruce Bartholomew; Barrett Anderson 1988-7-22 4544 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC247772  Deschampsia elongata Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10549 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CHSC85398  Deschampsia elongata John Dittes; Josephine Guardino 1991-8-24 459 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
  HSC80821  Deschampsia elongata G. M. Riegel 1980-8-7 1006 Modoc S Warner Mtns. 2100 Comment
  UC70675  Deschampsia elongata Mrs. M. H. Manning 1904-7-9 4 Modoc n.e. Modoc Co. Comment
  CAS-BOT-BC58622  Descurainia incisa K. Paulson; Robert Paulson 1988-6-29 67 Modoc N of Benton Meadow along Davis Creek, Warner Mts.. 1676 Comment
  NY126063  Descurainia incisa B. Anderson 1986-7-9 3164 Modoc Warner Mtns., Stough Reservoir Rd. just E of Cedar Pass near Stough Reservoir 1965 Comment
  CAS-BOT-BC58606  Descurainia paradisa Bruce Bartholomew 1993-6-13 6637 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  CAS-BOT-BC58607  Descurainia paradisa Bruce Bartholomew 1995-5-13 6913 Modoc 2.7 km NE of County Road 38 on County Road 37, E side of the S end of Surprize Valley. 1410 Comment
  UC1083170  Descurainia pinnata F. H. Frost 1925-5-24 2 Modoc Steamboat Canyon Comment
  UCD114669  Descurainia pinnata B. L. Kay 1956-6-14 s.n. Modoc Likely. Comment
  CAS-BOT-BC58437  Descurainia sophia F. Angwin 1946-4-14 Modoc Hillside near Alturas. Comment
  CAS-BOT-BC190763  Dicentra uniflora Leland S. Smith 1920-6-2 1163 Modoc Dismal Swamp. 2042 Comment
  CAS-BOT-BC242113  Dichelostemma multiflorum Bruce Bartholomew; Barrett Anderson 1988-6-23 4281 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  SEINET10533977  Dichelostemma multiflorum Bartholomew 1990-4-26 BARTHOLOMEW 5148 Modoc 0.5 km S of Day. Oak woodland surrounded by Pinus ponderosa forests. T39N R5E S22. 1100 Comment
  SEINET7839014 Image available Dieteria canescens Mrs. M. H. Maning 1904-1 s.n. Modoc Alturas, North-eastern Modoc County Comment
  CAS-BOT-BC49469  Dieteria canescens var. shastensis Leland S. Smith 1919-8-8 1141 Modoc Hilton Dairy. 1493 Comment
  JEPS19969  Dieteria canescens var. shastensis Milo S. Baker 1893-6 Modoc Comment
  UC219328  Dieteria canescens var. shastensis Elmer I. Applegate 1921-9-2 3341 Modoc near Tule Lake; Dry Lake, near Tule Lake Comment
  CAS-BOT-BC14843  Dimeresia howellii Gordon H. True 1964-6-3 1444 Modoc Cedar Pass, Warner Mountains 1524 Comment
  POM301741  Dimeresia howellii Marion Ownbey, Fred Meyer 1940-7-1 2136 Modoc Cedar Pass, Warner Mountains 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
  UC1024292  Dimeresia howellii Helen K. Sharsmith 1955-6-23 4490 Modoc 6.7 mi e Cedar Campground (n of State Highway 28); Modoc National Forest, Warner Mountains 1859 Comment
  SEINET8350431  Diplacus jepsonii B. Bartholomew 1995-6-24 7032 Modoc 0.3 km w of turn off to Dusty's Waterhole from Forest Service Road 42N23. 1320 Comment
  CAS-BOT-BC234494  Diplacus nanus R. M. Austin 1893-1-1 s.n. Modoc Pine Creek. Comment
  CAS-BOT-BC234500  Diplacus nanus Fred D. Douthitt 1916-5-11 18 Modoc Near Flournoy Swale. 1524 Comment
  CAS-BOT-BC234428  Diplacus pygmaeus Bruce Bartholomew 1995-6-3 6955 Modoc Fletcher Creek E of Pease Cabin between Goose Lake and Crowder Flat Road. 1520 Comment
  UCD64169  Distichlis spicata L. Whitney 1934-5-28 2174 Modoc Lake Joaquina, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  CAS-BOT-BC218290  Dodecatheon alpinum Elmer Ivan Applegate 1932-8-7 8228 Modoc Stream at Lily Lake. Comment
  CAS-BOT-BC218295  Dodecatheon alpinum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16483 Modoc 6.4 mi. S of Lassen Creek campground along road to Buck Mt. Comment
  CAS-BOT-BC218297  Dodecatheon alpinum Robert J. Weatherby 1955-7-7 1600 Modoc Dismal Swamp. 2240 Comment
  HSC80776  Dodecatheon alpinum G. M. Riegel 1979-7-5 497 Modoc S Warner Mtns. 2100 Comment
  JEPS3940  Dodecatheon alpinum N. T. Mirov 1929-7-4 Modoc about one mi s Oregon-California boundary (Lily Lake, Warner Mountains); Warner Mountains, Lily Lake 2133 Comment
  UC673385  Dodecatheon alpinum F. H. Frost 1925-7-25 165 Modoc Eagle Peak Warner Mts., Eagle Peak Comment
  RSA101504  Dodecatheon conjugens R. Weatherby 1955-7-7 1600 Modoc Dismal Swamp, No Warner Mts 2241 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
  UC559940  Dodecatheon conjugens Leo D. Whitney 1935-5-19 3108 Modoc near Hackamore (edge of river); Hackamore River Comment
  UC75672  Dodecatheon conjugens Milo S. Baker 1896-5-15 81 Modoc Forestdale Comment
  UC22374  Dodecatheon conjugens Mrs. C. C. Bruce June 1898 2802 Modoc <?>ake<?>ly Mt. Comment
  CAS-BOT-BC218283  Dodecatheon conjugens var. conjugens C. C. (Mrs.) Bruce 1899-5-1 560 Modoc Goose Lake. Comment
  CAS-BOT-BC218300  Dodecatheon pulchellum Bruce Bartholomew 1995-6-3 6952 Modoc 5.1 km W of Goose Lake on Forest Service Road 73 between Goose Lake and Crowder Flat Road. 1580 Comment
  CHSC106182  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
  CHSC112758  Downingia bacigalupii Lowell Ahart; John Dittes 2013-7-24 18916 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  UC1608315  Downingia bacigalupii J. Kierstead 1991-7-5 91 -97 Modoc 1.9 mi nw town of Day Comment
  RSA128296  Downingia bicornuta P. H. Raven, Otto T. Solbrig 1959-6-18 13323 Modoc About small lake at eastern outskirts of Lookout. Comment
  UC1116673  Downingia bicornuta var. bicornuta Beecher Crampton 1960-6-17 5701 Modoc 13 mi w Canby; McKay Flat 1280 Comment
  UC28963  Downingia bicornuta var. bicornuta Milo S. Baker 1893-6-24 Modoc Egg Lake Comment
  JEPS21586  Downingia bicornuta var. bicornuta Calvin McMillan 1949-6-16 1535 Modoc 3 mi s Crowder (about 7 mi s of Oregon border, n central Modoc County) Comment
  UC1192037  Downingia insignis Herbert L. Mason and Verne Grant 1947-7-10 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  JEPS108490  Downingia insignis Lisa Schultheis 1996-6-29 312 -96 Modoc W of Goose Lake. On County Rd. 73 towards Crowder Flat. About 4.2 mi from Rt. 299 Comment
  CAS-BOT-BC58288  Draba albertina Elmer Ivan Applegate 1932-8-2 8088 Modoc Mill Creek Meadows, Warner Mts. Comment
  HSC68843  Draba albertina Gary Schoolcraft 1980-7-22 328 Modoc Near Benton Meadows at top of Lake City Canyon 2195 Comment
  HSC80858  Draba albertina G. M. Riegel 1980-8-29 1125 Modoc S Warner Mtns. 2439 Comment
  HSC80859  Draba albertina G. M. Riegel 1980-9-3 1130 Modoc S Warner Mtns. 2305 Comment
  HSC80860  Draba albertina G. M. Riegel 1980-8-21 915 Modoc S Warner Mtns. 2622 Comment
  SEINET195673  Draba albertina Annie M. Alexander, L Kellogg 1946-6-25 4823 Modoc Dismal Swamp; N end of Warner Mts 2256 Comment
  CAS-BOT-BC41932  Draba novolympica Annie M. Alexander; Louise Kellogg 1946-8-9 5134 Modoc Between Squaw Peak and Warren Peak, Patterson Lake Trail, Warner Mountains. Comment
  CAS-BOT-BC58594  Draba verna Bruce Bartholomew 1991-5-24 5730 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  UC1494953  Draba verna Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81188 Modoc near Cedar Summit (between Alturas and Cedarville); near Cedar Summit, btw Alturas and Cedarville Comment
  CAS-BOT-BC214762  Drymocallis glandulosa Bruce Bartholomew; Barrett Anderson 1989-6-3 4868 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC214772  Drymocallis glandulosa K. Paulson; Robert Paulson 1988-6-19 48 Modoc E of Happy Camp Guard Station. 1554 Comment
  CAS-BOT-BC214759  Drymocallis glandulosa var. reflexa Roxana Stinchfield Ferris; R. Duthie 1919-6-15 88 Modoc Near Parker Creek, Modoc Nat. Forest. 1676 Comment
  JEPS47208  Drymocallis glandulosa var. reflexa Frances D. Payne 1931-6-21 221 Modoc at base of cliffs on ridge w Dry Creek (s and e of Alturas, tributary of Parker Creek); Warner Mountains, Parker Creek, ridge w of Dry Creek 1981 Comment
  CHSC109208  Drymocallis lactea var. lactea L. P. Janeway; B. Castro 2012-7-24 10959 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. 2250 Comment
  CHSC61238  Drymocallis pseudorupestris var. saxicola P. V. Caldwell 1972-7-3 302 Modoc Bank around Patterson Lake in Warner Mts. 2743 Comment
  RSA210778  Echinochloa crus-pavonis R. F. Thorne, C. W. Tilforth 1969-9-4 39051 Modoc Wet meadow along N Fork of Pit River, 11.8 mi. N of Alturas along Hwy 395. 1372 Comment
  JEPS123978  Elatine Lowell Ahart, John Dittes 2015-7-15 20349 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
  JEPS121185  Elatine californica Lowell Ahart, John Dittes 2013-7-24 18918 A Modoc Around a man-made pond, north side of Ash Creek floodplain, 0.54 air miles southeast of Pilot Butte parking area, 1.1 air miles south of County Road 87, 6.8 air miles west of Adin, Big Valley. Comment
  UC1101550  Elatine triandra Herbert L. Mason 1947-8-8 13465 Modoc nw Alturas (sw margin of Big Sage Reservoir) Comment
  UC190419  Eleocharis bella M. S. Baker and Frank Nutting 1894-8-20 Modoc Forestdale 1371 Comment
  RSA577562  Eleocharis bella L. C. Wheeler 1935-8-15 3861 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  UC1100605  Eleocharis coloradoensis Verne Grant, Irving Schneider 1947-7-19 8081 Modoc N of Likely (Williams Ranch) Comment
  UC1100607  Eleocharis coloradoensis Herbert L. Mason 1947-8-8 13463 Modoc NW of Alturas (SW margin of Big Sage Reservoir) Comment
  CAS-BOT-BC112782  Eleocharis macrostachya R. F. Thorne; C. W. Tilforth 1969-9-5 39180 Modoc Wet margin of S Fork of Pit River at bridge, 3.8 mi E of Likely. 1386 Comment
  CAS-BOT-BC242387  Eleocharis quinqueflora Louis Cutter Wheeler 1935-8-15 3862 Modoc Dismal Swamp. 2225 Comment
  UCD49861  Eleocharis quinqueflora var. suksdorfiana Louis C. Wheeler 1935-7-15 3862 Modoc Dismal Swamp, twenty Mile Creek, Warner Mts., Modoc Co. 2225 Comment
  CAS-BOT-BC247762  Elymus Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake near south end - Modoc National Forest Comment
  CAS-BOT-BC247720  Elymus X hansenii Clare Butterworth Hardham 1961-6-20 7869 Modoc Pine Creek Canyon. Comment
  RSA603668  Elymus X hansenii L. C. Wheeler 1935-8-4 3781 Modoc Warner Mts., Dry Lake, Pine Creek 2104 Comment
  UC978995  Elymus X saundersii Leo Whitney 1935-7-19 3537 Modoc ca 15 mi nw Canby (dry bed of river); Modoc National Forest, Hackamore River 1463 Comment
  HSC8729  Elymus X saxicola M. T. Milligan 1966-7-7 567 Modoc East of Jess Valley. 1677 Comment
  UCD61579  Elymus elymoides L. Whitney 1935-7-2 Modoc Badger Well. Comment
  CAS-BOT-BC247759  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1988-7-22 4486 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 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
  HSC80813  Elymus glaucus G. M. Riegel 1979-7-16 560 Modoc South Warner Mountains 530 Comment
  UC1024969  Elymus glaucus Leo Whitney 1935-7-6 3436 Modoc Crank Springs Comment
  UCD61695  Elymus glaucus Beecher Crampton; Carl Rimbey 1954-7-6 2107 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  UC1025042  Elymus multisetus Leo Whitney 1935-8-17 3630 Modoc Hackamore Modoc National Forest, Lake Joaquina (R.S.-5 U.S.B.E., ca 15 mi nw of Canby) 1463 Comment
  SD64332  Elymus ponticus D. F. Howe 1966-8-25 4299 Modoc Fandango Pass, Warners Mountains 1858 Comment
  HSC81819  Elymus spicatus G. M. Riegel 1980-6-30 790 Modoc S Warner Mtns. 1739 Comment
  UC1024984  Elymus trachycaulus Leo Whitney 1935-7-1 3375 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore River, Hackamore 1463 Comment
  CAS-BOT-BC247725  Elymus trachycaulus subsp. trachycaulus Louis Cutter Wheeler 1935-8-4 3780 Modoc Pine Creek. 2103 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
  UCR34686  Epilobium anagallidifolium J. A. Harpel 1981-8-6 V- 6 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC191026  Epilobium brachycarpum Bruce Bartholomew 1991-7-4 5922 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 Comment
  RSA0113965  Epilobium brachycarpum Lowell A. Ahart, John Dittes 2008-8-25 15277 -A Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UCD105409  Epilobium brachycarpum J. M. Tucker 1950-7-25 1967 Modoc Beside Highway 139, 26.4 miles SW of Tule Lake. Comment
  UCD77624  Epilobium brachycarpum Robert E. Preston 2000-5-31 1355 Modoc Modoc Plateau, along Hwy 139, ca. 2 miles E of Forest Service Road 44N11. 1493 Comment
  CAS-BOT-BC190992  Epilobium ciliatum subsp. ciliatum Alice Eastwood; John Thomas Howell 1940-6-12 8092 Modoc Jess Valley. Comment
  CAS-BOT-BC190984  Epilobium ciliatum subsp. glandulosum Elmer Ivan Applegate 1932-8-7 8243 Modoc Lily Lake. Comment
  SEINET195712  Epilobium ciliatum subsp. glandulosum Louise Kellogg, Annie M Alexander 1946-7-17 5008 Modoc Benton Meadow Warner Mountains 2073 Comment
  CAS-BOT-BC190971  Epilobium glaberrimum subsp. fastigiatum Bruce Bartholomew 1992-8-9 6396 Modoc Upper region of Owl Creek drainage, on cliffs, E of Summit Trail, E side of Warner Mountains. 2620 Comment
  CAS-BOT-BC190961  Epilobium hallianum Bruce Bartholomew 1991-8-5 6042 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  POM37840  Epilobium hallianum R. M. Austin 1895-08 508 Modoc Goose Lake Valley Comment
  CAS-BOT-BC190956  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew; Barrett Anderson 1988-7-23 4571 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  UC20070  Epilobium minutum M. S. Baker and Frank Nutting 1894-6-16 Modoc near Forestdale 1371 Comment
  CAS-BOT-BC190947  Epilobium obcordatum Bruce Bartholomew 1990-8-4 5630 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CAS-BOT-BC190871  Epilobium pygmaeum Clare Butterworth Hardham 1974-8-6 20176 Modoc Cedar Pass. 1935 Comment
  CAS-BOT-BC190861  Epilobium torreyi D. M. Moore 1960-6-4 121 Modoc 7.4 mi. W of Adin on road to Lookout. Comment
  UC4491  Epipactis gigantea M. S. Baker and Frank Nutting 1894-6-30 Modoc near Lookout; Big Valley Comment
  CAS-BOT-BC30224  Equisetum arvense Alice Eastwood; John Thomas Howell 1940-6-13 8182 Modoc E side of Cedar Pass. Comment
  JEPS89834  Equisetum arvense Dean W. Taylor 1992-5-8 12557 Modoc ca. 1.5 air mi. w. of Oregon State Line Pine Creek Canyon; Warner Mts., Pine Creek Canyon 1554 Comment
  HSC856  Equisetum arvense M. T. Milligan 1965-6-26 321 Modoc E of Jess Valley 1585 Comment
  JEPS123858  Equisetum laevigatum Lowell Ahart, John Dittes 2015-7-16 20393 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  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-BC95475  Eremogone aculeata Bruce Bartholomew 1991-6-21 5811 Modoc 4 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC95484  Eremogone aculeata Leland S. Smith 1917-6-10 33 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC95494  Eremogone aculeata Elmer Ivan Applegate 1932-8-5 8171 Modoc Cedar Pass, Warner Mts. Comment
  CHSC118084  Eremogone aculeata L. P. Janeway 2016-5-16 12004 Modoc Modoc Plateau. Devils Garden area; along Road 46N02 3.4 road-km south-southeast of Road 47N09/73/181; about 5.2 air-km north of Crowder Mtn Reservoir. 1570 Comment
  HSC80714  Eremogone aculeata G. M. Riegel 1978-8-17 182 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC95455  Eremogone congesta C. L. Hitchcock 1940-5-28 6728 Modoc 15 mi. N of Alturas. 1402 Comment
  UCD98091  Eremogone congesta Beecher Crampton 1960-6-17 5698 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station. 1280 Comment
  UC1540164  Eriastrum signatum Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-8-9 9272 Modoc margin of playa set in lava flows Dry Lake 1341 Comment
  CHSC100389  Ericameria bloomeri Lowell Ahart; John Dittes 2008-8-26 15337 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
  HSC67899  Ericameria bloomeri J. P. Smith, J. O. Sawyer 1973-8-9 7266 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  POM199564  Ericameria bloomeri Franklin P. Nutting s.n. Modoc Forestdale Comment
  UC295950  Ericameria bloomeri H. M. Hall 1925-8-30 12209 Modoc 30 mi from Lakeview (mt slopes e side of Goose Lake); Goose Lake Comment
  UC485526  Ericameria bloomeri Franklin P. Nutting Modoc Forestdale Comment
  UC76032  Ericameria bloomeri Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC14818  Ericameria greenei Elmer Ivan Applegate 1932-8-5 8184 Modoc Arid S slope of Cedar Mountain. Comment
  CAS-BOT-BC287484  Ericameria greenei Roxana S. Ferris; Laura Lorraine 1941-8-14 10618 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mts, Modoc National Forest 1889 Comment
  CAS-BOT-BC298193  Ericameria nauseosa var. oreophila Frances Payne 1931-9-18 341 Modoc Parker Creek, Warner Mts 1584 Comment
  UC1192131  Ericameria nauseosa var. oreophila Herbert L. Mason and Verne Grant 1947-7-12 13409 Modoc sw of Alturas (w side of the South Fork of Pit River Valley; Vernal pool); South Fork of Pit River Valley Comment
  UC217105  Ericameria nauseosa var. speciosa H. M. Hall 1921-9-8 11662 Modoc about 1 mi from the Oregon line (n Modoc County) Comment
  CAS-BOT-BC14781  Ericameria suffruticosa Bruce Bartholomew 1990-8-4 5633 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  RSA129817  Ericameria suffruticosa G. A. Graham 1937-8-6 145 Modoc Belfort 3110 Comment
  NY168408  Erigeron austiniae R. M. Austin 05 1894 6432 Modoc Davis Creek Comment
  RSA42058  Erigeron barbellulatus Ella Dales Cantelow 1941-5-23 3567 Modoc 2 miles W of Adin, summit on US Hwy 299 Comment
  CAS-BOT-BC42849  Erigeron bloomeri var. bloomeri Bruce Bartholomew; Barrett Anderson 1988-6-25 4393 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  CHSC112854  Erigeron bloomeri var. bloomeri L. P. Janeway; B. Castro 2014-6-2 11281 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  UC1037318  Erigeron bloomeri var. bloomeri Leo Whitney 1934-5-13 1858 Modoc Timbered Mountain Modoc National Forest, Devil's Garden, Timbered Mountain 1524 Comment
  CAS-BOT-BC42801  Erigeron bloomeri var. bloomeri Mrs. H. C. Cantelow 1940-6-2 3226 Modoc NW of Canby. Comment
  UC1035995  Erigeron bloomeri var. bloomeri Helen K. Sharsmith 1955-6-23 4494 Modoc 6.7 mi e Cedar Campground (just s of State Hwy 29); Modoc National Forest, Warner Mountains 1859 Comment
  UC1036001  Erigeron bloomeri var. bloomeri Helen K. Sharsmith 1955-6-22 4482 Modoc just n Cedar Pass (on exposed, steep slope); Modoc National Forest, Warner Mountains 1889 Comment
  RSA164349  Erigeron compositus Clare B. Hardham 1961-6-19 7889 Modoc Road from Mount Bidwell to Dismal Creek 2439 Comment
  CAS-BOT-BC42822  Erigeron coulteri Bruce Bartholomew 1990-8-5 5679 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  HSC5509  Erigeron divergens M. T. Milligan 1965-6-27 378 Modoc N end Jess Valley 1616 Comment
  UC1101510  Erigeron divergens Herbert L. Mason and Verne Grant 1947-7-10 13340 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC42755  Erigeron eatonii var. plantagineus Alice Eastwood; John Thomas Howell 1940-6-15 8286 Modoc About 15 mi. N of Lookout. Comment
  CAS-BOT-BC42784  Erigeron eatonii var. plantagineus John H. Hatton 1911-6-15 105 Modoc Near Happy Camp. 1463 Comment
  CHSC117880  Erigeron eatonii var. plantagineus L. P. Janeway 2016-5-17 12010 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir 1544 Comment
  RSA163737  Erigeron eatonii var. plantagineus Clare B. Hardham 1961-6-18 7573 Modoc Mtns S of Cedar Pass. 1982 Comment
  UC1562548  Erigeron eatonii var. plantagineus Barbara Ertter 1988-6-18 7628 Modoc Hwy 139 14.5 mi ene jct. Hwy 299 at Canby (n of Bessler Reservoir) 1463 Comment
  JEPS15467  Erigeron eatonii var. plantagineus Joseph and Hilda W. Grinnell 1938-6-16 1113 a Modoc Cedar Pass summit Warner Mountains 1920 Comment
  SEINET8667232 Image available Erigeron eatonii var. plantagineus M. J. Williams 1983-7-29 83- 116 -1 Modoc 1.1 miles North of Stowe Reservoir Campground North of Cedar Pass Warner Mountains. 2088 Comment
  SJSU9697  Erigeron eatonii var. plantagineus W. Savage 1979-7-10 1538 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest Comment
  UC619259  Erigeron eatonii var. plantagineus J. and H. W. Grinnell 1938-6-16 1113 Modoc Cedar Pass summit Warner Mountains 1935 Comment
  CAS-BOT-BC42769  Erigeron elegantulus Alice Eastwood; John Thomas Howell 1940-6-14 8238 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC42770  Erigeron elegantulus Bruce Bartholomew 1991-6-20 5778 Modoc 9.8 km E of junction of county roads 87 and 90. 1250 Comment
  HSC28533  Erigeron elegantulus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19366 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  HSC5517  Erigeron filifolius M. S. Baker 1893-1 Modoc Lava Bed, Egg Lake Comment
  CAS-BOT-BC376189  Erigeron filifolius var. filifolius Andrew Townesmith; Karen M. Meyer 2007-9-15 933 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195 1948 Comment
  CAS-BOT-BC49624  Erigeron glacialis var. glacialis Robert Patterson; Mona Bourell 1993-8-14 5218 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC49609  Erigeron linearis Annie Montague Alexander; L. Kellogg 1946-8-9 5137 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC49641  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8083 Modoc Jess Valley. Comment
  UC190610  Erigeron linearis M. F. Gilman 667 Modoc Comment
  UC31504  Erigeron linearis Mrs. R. M. Austin Jun 1894 Modoc lava beds e Emigrant Springs Comment
  RSA540065  Erigeron peregrinus subsp. callianthemus Bruce Bartholomew, B. Anderson 1990-7-20 5505 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC49578  Erigeron philadelphicus Annie Montague Alexander; L. Kellogg 1946-7-7 4918 Modoc Below Lake City. Comment
  CAS-BOT-BC49582  Erigeron philadelphicus Bruce Bartholomew; Barrett Anderson 1988-6-24 4355 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  CAS-BOT-BC49583  Erigeron philadelphicus C. C. (Mrs.) Bruce 1899-8-1 s.n. Modoc Goose Lake. 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
  UC468828  Erigeron philadelphicus var. philadelphicus M. F. Gilman 551 Modoc 1432 Comment
  CAS-BOT-BC197830  Eriogonum douglasii var. meridionale Bruce Bartholomew 1991-8-5 6029 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CAS-BOT-BC197820  Eriogonum elatum Bruce Bartholomew 1991-8-5 6077 Modoc Summit Trail, between Squaw Peak and Pepperdine, W side of Warner Mts. 2240 Comment
  CAS-BOT-BC197825  Eriogonum elatum Francis Dorris Payne 1932-7-22 738 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC197827  Eriogonum elatum Annie Montague Alexander; L. Kellogg 1946-7-7 4919 Modoc Highway south of town, Fort Bidwell. Comment
  UCR40300  Eriogonum heracleoides var. angustifolium G. R. Ballmer, G. F. Pratt 1985-7-15 s.n. Modoc Warner Mtns., near the summit of Mount Bidwell 2500 Comment
  CAS-BOT-BC197809  Eriogonum heracleoides var. heracleoides Louis Cutter Wheeler 1935-8-2 3750 Modoc Twenty Mile Creek, Warner Mts. 2225 Comment
  RSA65209  Eriogonum heracleoides var. heracleoides F. W. Peirson 1926-6-25 6863 Modoc Warner Mountains; not far below summit in small side canyon; Cedarville Road, west slope Comment
  HSC75597  Eriogonum microthecum var. ambiguum G. M. Riegel 1980-7-14 868 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC197804  Eriogonum microthecum var. laxiflorum Elmer Ivan Applegate 1921-9-2 3342 Modoc Dry Lake. Comment
  CAS-BOT-BC211414  Eriogonum nudum var. pubiflorum Bruce Bartholomew 1990-6-17 5295 Modoc Along Emerson Creek, 2.8 km SW of County Rd 1, E side of Warner Mts. 1600 Comment
  CAS-BOT-BC211448  Eriogonum nudum var. pubiflorum Bruce Bartholomew 1991-8-5 6076 Modoc Summit Trail, between Squaw Peak and Pepperdine, W side of Warner Mts. 2240 Comment
  RSA210870  Eriogonum nudum var. pubiflorum Robert F. Thorne, C. W. Tilforth 1969-9-4 39052 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 Comment
  SBBG1565  Eriogonum nudum var. pubiflorum H. and M. Dearing 1939-6-9 3612 Modoc near Cedarville Comment
  CAS-BOT-BC211402  Eriogonum nudum var. pubiflorum Frederick H. Frost 1925-7-13 71 Modoc Roadside S of Cedarville, Warner Mts. Comment
  CAS-BOT-BC211433  Eriogonum nudum var. pubiflorum Leland S. Smith 1922-7-15 1270 Modoc Dry lake country T43-8 1432 Comment
  NY762338  Eriogonum nudum var. pubiflorum H. D. D. Ripley 1944-6-1 6030 Modoc Foothills of Warner Mountains, west of Cedarville 1493.5 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
  UC412792  Eriogonum nudum var. pubiflorum M. F. Gilman 504 Modoc Comment
  UC849762  Eriogonum nudum var. pubiflorum Lewis S. Rose 1940-6-13 40557 Modoc 1 mi w Cedarville 1524 Comment
  UCR40347  Eriogonum ovalifolium G. R. Ballmer, G. F. Pratt 1985-7-15 s.n. Modoc Warner Mtns., near the summit of Mount Bidwell 2500 Comment
  CHSC27615  Eriogonum ovalifolium var. nivale Robert Schlising 1978-7-29 3325 Modoc Warner Mountains, directly E of Warren Peak, just off summit of trail. 2852 Comment
  JEPS56345  Eriogonum spergulinum var. reddingianum W. L. Jepson 1918-8-7 7871 Modoc Mt. Bidwell 2377 Comment
  NY283083  Eriogonum spergulinum var. reddingianum B. M. Bartholomew 1991-8-5 6026 Modoc Summit trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  POM260451  Eriogonum sphaerocephalum C. L. Hitchcock 1940-5-27 6656 Modoc 9 miles northeast of Alturas. 1402 Comment
  CAS-BOT-BC211377  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1984-7-1 84- 88 -1 Modoc NW of Alturas, 3.5 mi N of Hwy 299, Crowder Flat Road. 1371 Comment
  CAS-BOT-BC211388  Eriogonum sphaerocephalum var. halimioides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16387 Modoc 5 mi. E of Calif. State Highway 299 along Cedar Pass Road. Comment
  CAS-BOT-BC211423  Eriogonum sphaerocephalum var. halimioides Alice Eastwood; John Thomas Howell 1940-6-11 8007 Modoc 6 miles NE of Adin on road to Canby. Comment
  CHSC113988  Eriogonum sphaerocephalum var. halimioides L. P. Janeway 2014-7-8 11467 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
  RSA125288  Eriogonum sphaerocephalum var. halimioides Peter H. Raven, Otto T. Solbrig 1958-6-18 13317 Modoc Meadow in forest of Pinus Jeffreyi, along dirt road 8.8 mi. south of Happy Camp Guard Station, Modoc National Forest. Comment
  RSA31848  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1941-6-24 16193 Modoc On rocky hillside just south of Indian Springs along U. S. Highway # 299, in the Juniper Belt. Comment
  SEINET5331612  Eriogonum sphaerocephalum var. halimioides M. J. Williams 1962-7-8 s.n. Modoc North of Cedar Pass. 2134 Comment
  CAS-BOT-BC211353  Eriogonum strictum subsp. anserinum Louis Cutter Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mts. 2377 Comment
  CAS-BOT-BC211360  Eriogonum strictum subsp. anserinum Annie Montague Alexander; L. Kellogg 1946-7-24 5072 Modoc Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC211365  Eriogonum strictum subsp. anserinum Amos Arthur Heller 1938-6-24 15223 Modoc Slopes between Alturas and Canby. 1341 Comment
  HSC17268  Eriogonum strictum var. anserinum Thomas W. Stark 1967-7-16 86 Modoc 2 mi. S of Lava Beds Natl. Monument, 10 mi. W of the town of Perez 915 Comment
  CAS-BOT-BC211370  Eriogonum umbellatum Robert Patterson; Mona Bourell 1993-8-15 5252 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC211375  Eriogonum umbellatum Bruce Bartholomew 1991-8-5 6069 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  CAS-BOT-BC211367  Eriogonum umbellatum B. Bartholomew; Barrett Anderson 1988-7-22 4523 Modoc S end of Bearcamp Flat, southern end of Warner Mountains 2230 Comment
  HSC17346  Eriogonum umbellatum var. dichrocephalum M. T. Milligan 1964-6-17 46 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  HSC43014  Eriogonum umbellatum var. dichrocephalum J. P. Smith, J. O. Sawyer 1973-8-8 7230 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC211332  Eriogonum umbellatum var. glaberrimum J. L. Reveal; Darin Scott Reveal 1978-8-11 4823 Modoc Warner Mts., Dismal Swamp, ca. 2 mi. N of Modoc Co. Rd. 2, at NW end of Dismal Swamp S of Dismal Creek. 2225 Comment
  CHSC70474  Eriogonum umbellatum var. modocense A. Sanger 1997-6-24 2547 Modoc Low sage flat SW of Pinky's Pond. Along small drainage. 1493 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-BC197793  Eriogonum umbellatum var. nevadense John Thomas Howell 1934-6-13 12106 Modoc North Fork of Barber Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC197617  Eriogonum umbellatum var. polyanthum John Thomas Howell 1934-7-1 12327 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC197622  Eriogonum umbellatum var. polyanthum Alice Eastwood; John Thomas Howell 1940-6-13 8142 Modoc Fandango Pass. 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-BC197780  Eriogonum umbellatum var. polyanthum Barrett Anderson 1986-7-9 3158 Modoc Warner Mts, Hwy 299 just W of Cedar Pass. 1920 Comment
  HSC80996  Eriogonum umbellatum var. polyanthum G. M. Riegel 1979-7-15 563 Modoc S Warner Mtns. 1739 Comment
  POM105169  Eriogonum umbellatum var. polyanthum R. M. Austin 1895-07 434 Modoc Goose Lake Valley. Comment
  POM229193  Eriogonum umbellatum var. polyanthum Louis C. Wheeler 1935-8-14 3843 Modoc Pine Creek. Warner Mtns. 2012 Comment
  RSA101381  Eriogonum umbellatum var. polyanthum R. Weatherby 1955-7-8 1633 Modoc Common on slope with sagebrush. Northern Juniper Woodland. 3 mi. north of Ft. Bidwell, Warner Mts. Comment
  JEPS56133  Eriogonum vimineum F. H. Frost 1925-7-11 17 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon campsite Comment
  NY399608  Eriogonum vimineum B. Anderson 1986-7-9 3162 Modoc Warner Mountains. County road 195 just east of Cedar Pass 1785 Comment
  RSA65965  Eriogonum vimineum F. W. Peirson 1926-6-24 6856 Modoc near a small lake about 3 mi. east of Alturas. Comment
  HSC17398  Eriogonum vimineum M. T. Milligan 1964-7-24 163 Modoc Badger Wells Rd. at Boles Creek Crossing 1524 Comment
  LA84252  Eriogonum vimineum O. H. Kappler; 1949-7-26 sn Modoc S of Alturas, along highway 395 1402 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-BC49566  Eriophyllum lanatum Barrett Anderson 1986-7-10 3192 Modoc West Warner Rd N of North Fork of Pine Creek. 1965 Comment
  CAS-BOT-BC49567  Eriophyllum lanatum Alice Eastwood; John Thomas Howell 1940-6-13 8109 Modoc Surprise Valley Comment
  CAS-BOT-BC49592  Eriophyllum lanatum Elmer Ivan Applegate 1932-8-1 8020 Modoc High summit of Warner Mts. S of Warren Peak. Comment
  HSC81108  Eriophyllum lanatum var. achilleoides G. M. Riegel 1979-7-12 530 Modoc South Warner Mtns. 1739 Comment
  HSC81109  Eriophyllum lanatum var. achilleoides G. M. Riegel 1979-7-15 555 Modoc S Warner Mtns. 1739 Comment
  POM318696  Eriophyllum lanatum var. achilleoides Patricia Wilder 1971-6-20 5095 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
  RSA0118930  Eriophyllum lanatum var. achilleoides L. P. Janeway 2014-7-8 11471 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  JEPS6031  Eriophyllum lanatum var. integrifolium Frances D. Payne 1929-6-28 30 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  SBBG30613  Eriophyllum lanatum var. integrifolium D. Myrick 1968-6-20 1966 Modoc Cedar Pass Rd, St Hwy 299, 10 mi E of Alturas 1371 Comment
  UC336339  Eriophyllum lanosum unknown 1878-5-1 Modoc Surprise Valley Comment
  SD230150  Eryngium alismifolium Louis C. Wheeler 1935-8-21 3900 Modoc Devil's Garden: Pine Spring. 1524 Comment
  UCR101247  Eryngium alismifolium L. C. Wheeler 1935-8-21 3900 Modoc Devils Garden; Pine Spring 1524 Comment
  CAS-BOT-BC21478  Eryngium articulatum Leland S. Smith 1922-8-10 1334 Modoc Medow W of Gutzman's. 1432 Comment
  JEPS16989  Eryngium articulatum L. S. Smith 1917-9-18 163 Modoc Little Grizzly Ranger Station Warner Mts., Little Grizzly Ranger Station Comment
  SEINET10693724 Image available Eryngium articulatum Milo S. Baker 1899-8-12 Baker s.n. Modoc Egg Lake. Comment
  UC1487310  Eryngium mathiasiae Gregg Riegel 1981-6-10 Modoc N of Canby (along Loveness Road around reservoir) 1524 Comment
  UCD77704  Eryngium mathiasiae Robert E. Preston 2000-7-17 1390 Modoc Ca. 11 mi nw of Canby, on n side of Hwy 139, 2.5 mi e of Forest Service Rd. 1490 Comment
  POM95422  Erysimum capitatum Mrs. R. M. Austin, Bruce 1898-06 2252 Modoc Lake City Mt. Comment
  UC10548  Erysimum capitatum Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC58575  Erysimum capitatum var. capitatum M. M. Hanna 1956-6-7 Modoc Junction of Hwy 139 and Glass Mt. road. Comment
  CDA3714  Erysimum cheiranthoides T. C. Fuller 1958-7-8 1956 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC58338  Erysimum repandum E. S. Willits 1940-5-6 221 Modoc Near Lassen Creek, Willow Ranch. Comment
  JEPS5989  Erysimum repandum Frances D. Payne 1932-5-27 410 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CHSC117229  Erythranthe breviflora Lowell Ahart; John Dittes 2016-7-16 21239 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC234507  Erythranthe guttata Belknap C. Goldsmith 1912-8-5 71 Modoc W side of Goose Lake. 1463 Comment
  CAS-BOT-BC234476  Erythranthe lewisii K. Paulson; Robert Paulson 1988-7-9 71 Modoc Near Poison Lake, Warner Mts.. 2103 Comment
  CAS-BOT-BC234524  Erythranthe lewisii Annie Montague Alexander; L. Kellogg 1946-7-24 5064 Modoc Trail to Emerson Camp, Pear Camp Flat. Comment
  CAS-BOT-BC234529  Erythranthe lewisii Leland S. Smith 1917-7-29 125 Modoc Mill Creek above Cedarville. 1981 Comment
  CAS-BOT-BC234505  Erythranthe microphylla K. Paulson 1978-6-24 s.n. Modoc Curtis Water Hole. Comment
  CAS-BOT-BC234513  Erythranthe microphylla Bruce Bartholomew; Barrett Anderson 1989-6-1 4728 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC234482  Erythranthe moniliformis Bruce Bartholomew; Barrett Anderson 1988-7-22 4536 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CAS-BOT-BC234466  Erythranthe pulsiferae Clare Butterworth Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground. Comment
  CAS-BOT-BC190757  Eschscholzia californica Alice Eastwood; John Thomas Howell 1940-6-15 8303 Modoc Lookout. Comment
  CHSC85146  Eschscholzia californica subsp. californica John Dittes; Josephine Guardino 1991-7-21 399 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC95718  Euphorbia serpillifolia M. Vasey 1990-6-30 9027 Modoc Around NW margin of Egg Lake. 1300 Comment
  CAS-BOT-BC15164  Eurybia integrifolia Annie Montague Alexander; L. Kellogg 1946-8-9 5130 Modoc Patterson Lake Trail, Warner Mountains Comment
  JEPS31885  Eurybia integrifolia Leland S. Smith 1918-8-10 1017 Modoc Lost Lake Hat Peak ((prob. lake just nw of Hat Peak in s portion of Warner Mts)); Modoc National Forest, Warner Mts., Lost Lake 2286 Comment
  UCR163251  Festuca Jim Andre 1993-7-3 1424 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  HSC80817  Festuca californica G. M. Riegel 1980-7-16 909 Modoc S Warner Mtn. 1670 Comment
  CAS-BOT-BC247709  Festuca idahoensis John Thomas Howell 1934-7-1 12336 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247712  Festuca idahoensis Bruce Bartholomew; Barrett Anderson 1990-7-21 5579 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  JEPS127212  Festuca idahoensis Lowell Ahart, John Dittes 2016-6-6 20941 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  LA13109  Festuca idahoensis John Thomas Howell; 1934-7-1 12335 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC278912  Festuca ovina Elmer I. Applegate 1932-8-1 8028 Modoc Summit of Warner Mountains just south of Warren Peak Comment
  UC1037140  Festuca pratensis Leo Whitney 1935-6-29 3359 Modoc Alturas Comment
  UC1025016  Festuca rubra Leo Whitney 1935-7-12 3496 Modoc 10 mi w Canby; Cottonwood Flat Comment
  SEINET5356110  Floerkea proserpinacoides M. J. Williams 1984-6-30 84- 80 -1 Modoc Warner Mtns., Granger Canyon Road, 6.8 mi W of Cedarville-Gerlach road 1981 Comment
  CAS-BOT-BC217078  Frangula rubra Alice Eastwood; John Thomas Howell 1940-6-13 8155 Modoc E side of Fandango Pass. Comment
  SJSU9638  Frasera albicaulis W. Savage 1979-7-7 1462 Modoc Triangle, Fairchild Swamp Unit (SW corner), Devils Garden District, Modoc National Forest 1508 Comment
  RSA149082  Frasera albicaulis var. modocensis I. L. Wiggins, Dorothy Wiggins 1961-6-15 16499 Modoc Junction of gravel road to Tieneste and Glass Mountain with Hwy. 139, 28 miles W of Canby. Comment
  CAS-BOT-BC191140  Fraxinus latifolia Bruce Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake. 1300 Comment
  CAS-BOT-BC242105  Fritillaria atropurpurea Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16414 A Modoc Near sumit of Cedar Pass between Alturas and Cedarville. 1927 Comment
  SEINET8478730  Fritillaria atropurpurea W. Roderick 1963-1 Modoc Comment
  CAS-BOT-BC242100  Fritillaria pudica E. S. Willits 1940-4-16 177 Modoc Sugar Hill. Comment
  SDSU20641  Fritillaria pudica Sean Ryan, Michael G. Simpson 2010-6-23 65 Modoc North of Hwy 299, NE of Stough Reservoir Campground, 1.3 miles along Forest Road 43N57 from its intersection with Forest Road 43N07, 130 yards SE from road. Clearing surrounded by Juniperus. Warner Mountains. Modoc National Forest. 2087 Comment
  UC3665  Fritillaria recurva Milo S. Baker 1893-6 Modoc Modoc County Comment
  CAS-BOT-BC179875  Galeopsis tetrahit Herbert Louis Mason; Verne Grant 1947-7-12 13417 Modoc S end of W side road, Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC225046  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-6-1 4742 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC225057  Galium aparine John Thomas Howell 1934-6-13 12063 Modoc Fandango Pass. 1828 Comment
  SD46729  Galium aparine Robert J. Weatherby 1955-7-8 1623 Modoc 6 miles north of Ft. Bidwell, northern Warner Mts., canyon side 1737 Comment
  RSA520349  Galium aparine Bruce Bartholomew, B. Anderson 1989-6-1 4742 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC225063  Galium bolanderi Bruce Bartholomew; Barrett Anderson 1988-6-23 4231 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC225073  Galium glabrescens subsp. modocense Bruce Bartholomew 1995-9-3 7177 Modoc Vicinity of pass between North Emerson Lake and Eagle Basin, E side of Warner Mountains. 2410 Comment
  SBBG22425  Galium glabrescens subsp. modocense C. B. Hardham 1961-6-18 7540 Modoc 3.2 mi E of summit of Cedar Pass 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
  UCD121803  Galium mexicanum subsp. asperulum Verne Grant; Irving Schneider 1947-7-22 8140 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. Comment
  JEPS6516  Galium mexicanum var. asperulum W. L. Jepson 1918-8-11 7943 Modoc Jess Valley 1584 Comment
  RSA165561  Galium serpenticum subsp. warnerense Clare B. Hardham 1961-6-20 7865 Modoc Mouth of Pine Creek Canyon Comment
  UC416653  Galium triflorum Milo S. Baker 1893-1 Modoc Forestdale Comment
  POM319052  Gayophytum Patricia Wilder 1971-6-20 5060 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-BC190847  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-7-15 4987 Modoc Sweagert Flat. 1860 Comment
  UC1191754  Gayophytum diffusum subsp. parviflorum Herbert L. Mason and Verne Grant 1947-7-10 13334 a Modoc 2 mi e Alturas; Dorris Reservoir Comment
  POM203074  Gayophytum ramosissimum J. T. Howell 1934-6-30 12281 Modoc Duncan Horse Camp. Comment
  POM128266  Gentiana affinis M. H. Manning 1903-8-27 333 Modoc Tamarack Flat, near summit of Mt. Bidwell. Comment
  CAS-BOT-BC180116  Gentiana calycosa R. M. Austin 1894-9-1 1894 Modoc Lassen Creek. Comment
  CAS-BOT-BC180058  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-7-3 4901 Modoc Bidwell Creek Canyon, 5 mi. W of Fort Bidwell. Comment
  RSA0029587  Geranium viscosissimum var. nervosum George Willet 1935-6-26 s.n. Modoc Jess Valley, Warren [Warner] Mountains. 2287 Comment
  UC71600  Geum macrophyllum Mrs. M. H. Manning 1903-6 172 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  CAS-BOT-BC214666  Geum triflorum Roxana Stinchfield Ferris; R. Duthie 1919-6-16 184 Modoc Above Parker Creek at Modoc Nat. Forest Boundary, Warner Mts. Comment
  CAS-BOT-BC214676  Geum triflorum Barrett Anderson 1986-7-9 3139 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC214682  Geum triflorum Leland S. Smith 1917-7-2 60 Modoc Shields Creek. 2316 Comment
  CHSC70478  Geum triflorum A. Sanger 1997-5-20 2468 Modoc In uplands of first meadow along Rd. 42N21 south of Loveness Logging Rd. 1524 Comment
  UCD113296  Geum triflorum Beecher Crampton 1960-6-17 5705 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles northeast Happy Camp Station. 1280 Comment
  UCD113307  Geum triflorum Geo C. Wood 1940-4-24 s.n. Modoc Spaulding Ranch, 20 miles n.e. of Alturas. 1371 Comment
  CAS-BOT-BC190705  Gilia brecciarum subsp. brecciarum Elmer Ivan Applegate 1936-5-12 10284 Modoc Top of Petroglyph Butt, Lava Bed National Monument. Comment
  SEINET201592  Gilia capillaris Arthur Cronquist, Athur H. Holmgren 1959-6-20 8522 Modoc Drying swale along intermittent streamlet at Cedarville Pass; Warner Mts. between Cedarville and Alturas 19 Comment
  CAS-BOT-BC190695  Gilia inconspicua Bruce Bartholomew 1991-5-24 5697 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  CAS-BOT-BC190690  Gilia leptalea subsp. leptalea Bruce Bartholomew 1989-7-14 4944 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  RSA534555  Gilia modocensis Bruce Bartholomew 1991-5-25 5764 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  UC1332111  Gilia modocensis A. Eastwood and J. T. Howell 1940-6-12 8073 Modoc between Likely and Jess Valey, Modoc Co. Comment
  CAS-BOT-BC95146  Githopsis specularioides Bruce Bartholomew 1995-6-1 6920 Modoc Between Day and Day Rock SW slope of the Whitehorse Mountains. 1260 Comment
  RSA323604  Glaux maritima A. Tiehm, Susan Cochrane, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8796 Modoc Surprise Valley, Mineral Wells on east side of Alkali Lake. Comment
  HSC38839  Glyceria borealis J. P. Smith, J. O. Sawyer 1973-8-9 7270 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  JEPS117623  Glyceria borealis Lowell Ahart, John Dittes 2010-8-31 17121 Modoc About 5 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  HSC10062  Glyceria elata M. T. Milligan 1966-7-1 518 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  JEPS69272  Glyceria elata W. L. Jepson 1918-8-12 7945 Modoc South Fork Pass to Jess Valley 1584 Comment
  JEPS69275  Glyceria elata Leland S. Smith 1918-8-18 1040 Modoc South Fork East Creek; Modoc National Forest, Eagle Peak Range 2499 Comment
  UCD32732  Glyceria elata Beecher Crampton 1954-7-8 2176 Modoc Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  CAS-BOT-BC247694  Glyceria striata Leland S. Smith 1918-8-18 1040 Modoc South Fork East Creek, Eagle Peak Range. 2682 Comment
  CAS-BOT-BC303769  Glyptopleura marginata B. Bartholomew; B. Anderson 1989-6-2 4834 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley 1550 Comment
  CAS-BOT-BC49528  Gnaphalium palustre Mrs. H. C. Cantelow 1940-6-2 3470 Modoc About 10 mi. NW of Canby on road to Lava Beds Nat. Monument. Comment
  CAS-BOT-BC49531  Gnaphalium palustre Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10557 Modoc Patterson Ranger Station (East Creek drainage), Warner Mountains. 2164 Comment
  HSC41110  Gnaphalium palustre Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3249 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  CAS-BOT-BC229884  Gratiola ebracteata Bruce Bartholomew 1995-6-22 6984 Modoc Between Day and Lookout, just W of Burlington Northern Railroad track on County Road 94. 1270 Comment
  CAS-BOT-BC229892  Gratiola neglecta John Thomas Howell 1934-6-15 12201 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CAS-BOT-BC95536  Grayia spinosa Bruce Bartholomew 1990-6-17 5292 Modoc Surprise Valley, W side of Lower Alkali Lake, 5.6 km N of Lassen County border. 1370 Comment
  CAS-BOT-BC95537  Grayia spinosa Bruce Bartholomew 1991-6-22 5840 Modoc Surprise Valley, 5.6 km E of Eagleville. 1370 Comment
  UCD132466  Grindelia camporum E. K. Balls 1954-8-2 19715 Modoc in Botanic Garden, Prop. No. 8241. From 4.2 miles northeast of junction Highways 299 and 139, along highway 299 near Canby. 1371 Comment
  NY31109  Grindelia fraxinipratensis D. Demarée 1959-8-15 41489 Modoc Davis Creek bottoms 1432.6 Comment
Read comments
Dec 28 2013
  JEPS119663  Grindelia hirsutula Lowell Ahart, John Dittes 2012-7-11 18337 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
  UC87884  Grindelia hirsutula Mrs. R. M. Austin 1886-8-1 Modoc Goose Lake Valley 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
  SEINET12597087  Hackelia floribunda D. A. Charlet 1989-8-1 551 Modoc Warner Mountains, 0.8 km NNW of Eagle Peak. 2719 Comment
  CAS-BOT-BC54054  Hackelia micrantha Bruce Bartholomew; Barrett Anderson 1988-6-24 4302 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CHSC27588  Hackelia micrantha Robert A. Schlising 1978-7-29 3323 Modoc Warner Mountains, west slope in Pine Creek Basin. Comment
  JEPS86311  Hackelia micrantha Jack and Betty Guggolz 1988-6-28 959 Modoc groves w of Jenkins Spring Comment
  SEINET11841732  Helianthella californica var. nevadensis A. Seneres, Harold, N. 1983-1 109 Modoc southern section of Warner Mountains Comment
  CDA6194  Helianthus annuus T. C. Fuller 1958-7-8 1933 Modoc Likely/Alturas. 0 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
  JEPS34878  Helianthus bolanderi Milo S. Baker 1893-7-25 Modoc shores of Egg Lake Egg Lake Comment
  CAS-BOT-BC49379  Hemizonella minima R. M. Austin 1894-8-1 Modoc Sugar Loaf Hill. Comment
  CAS-BOT-BC21466  Heracleum lanatum Bruce Bartholomew 1989-8-11 5068 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC21467  Heracleum lanatum Bruce Bartholomew 1989-8-11 5068 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC180042  Hesperochiron californicus K. Paulson; Robert Paulson 1989-4-16 102 Modoc Crowder Flat Road, Devil's Garden. Comment
  JEPS1677  Hesperochiron californicus L. S. Smith c. 1918 809 Modoc Warner Mts., Jess Valley 1524 Comment
  UC71862  Hesperochiron californicus Mrs. M. H. Manning May, 1903 127 Modoc meadows near Fort Bidwell; n.e. Modoc Co. Comment
  CAS-BOT-BC180031  Hesperochiron pumilus Francis Dorris Payne 1932-7-1 659 Modoc Pine Creek Basin. Comment
  CAS-BOT-BC179171  Hesperolinon micranthum B. Bartholomew 1991-7-4 5927 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 Comment
  CAS-BOT-BC179184  Hesperolinon micranthum John Thomas Howell 1934-6-30 12258 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC95147  Heterocodon rariflorum R. M. Austin 1894-8-1 Modoc Davis Creek. Comment
  NY541342  Heuchera cylindrica B. M. Bartholomew 1990-7-20 5493 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains, west side of Warner Mountains 2130 Comment
  RSA0062919  Heuchera cylindrica var. alpina Elmer I. Applegate 1932-8-3 8124 Modoc Arid summit of Warner Mtns, north of Eagle Peak. Comment
  UC1553376  Heuchera cylindrica var. ovalifolia Sch/Yor/Hor/Ach 1988-7-16 1837 Modoc on upper slopes of Squaw Peak; Warner Mts, Squaw Peak 2621 Comment
  CHSC109205  Hieracium albiflorum L. P. Janeway; B. Castro 2012-7-24 10961 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.04air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. 2250 Comment
  CHSC70467  Hieracium albiflorum A. Sanger 1996-7-12 2417 Modoc Found along road 44N69, between 44N69C and 69B. 1975 Comment
  CHSC113985  Hieracium scouleri L. P. Janeway 2014-7-7 11452 Modoc Warner Mountains. North-facing slope along Road 46N25 along Mill Creek, 1.0 km from Bidwell Creek; 5.2 air-km northwest of Fort Bidwell. 1554 Comment
  JEPS5976  Hieracium scouleri Frances D. Payne 1932-7-22 735 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA504675  Hieracium scouleri Bruce Bartholomew, B. Anderson 1988-7-22 4481 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mountains; Sierran Montane forest. 2210 Comment
  SEINET11836113  Hieracium scouleri L. S. Rose 1940-1 40527 Modoc 9 mi E of Likely 1676 Comment
  SJSU9706  Hieracium scouleri W. Savage 1979-7-10 1526 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  UC1191965  Hippuris vulgaris Herbert L. Mason 1947-8-15 13561 Modoc spring leading into w. side Goose Lake (11 mi. from Davis Creek) Comment
  CAS-BOT-BC214694  Holodiscus microphyllus var. glabrescens Bruce Bartholomew 1995-7-31 7101 Modoc E side of the Warner Mts. near crest and just N of the headwaters of the S fork of Davis Creek. 2320 Comment
  CAS-BOT-BC95209  Holosteum umbellatum subsp. umbellatum Bruce Bartholomew 1994-5-28 6711 Modoc 8.5 km E of Likely on road to Jess Valley along the S Fork of the Pit River. 1620 Comment
  CAS-BOT-BC247682  Hordeum brachyantherum subsp. brachyantherum Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake Ranch near S end. Comment
  JEPS74020  Hordeum brachyantherum subsp. brachyantherum Frances D. Payne 1932-7-3 592 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 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
  SBBG596  Hordeum marinum subsp. gussoneanum A. A. Beetle 1941-6-29 2839 Modoc near summit of Mt Adin 1828 Comment
  POM34909  Horkelia fusca subsp. capitata R. M. Austin 1895-07 s.n. Modoc Willow Creek (Devils Garden) Comment
Read comments
Jul 11 2010
  CAS-BOT-BC214709  Horkelia fusca var. pseudocapitata R. M. Austin 1895-7-1 500 Modoc Willow Creek, Devil's Garden. Comment
  CAS-BOT-BC214712  Horkelia fusca var. pseudocapitata Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10586 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CAS-BOT-BC179320  Hydrophyllum capitatum var. alpinum Fred D. Douthitt 1916-4-24 6 Modoc So. Jess Valley. 1524 Comment
  CAS-BOT-BC179325  Hydrophyllum capitatum var. alpinum Belknap C. Goldsmith 1912-4-20 42 Modoc Near Cedarville. 1493 Comment
  CAS-BOT-BC179337  Hydrophyllum capitatum var. alpinum Edward Kent Balls 1950-5-12 14638 Modoc Above Bucks Creek Ranger Station. 1737 Comment
  HSC26494  Hydrophyllum capitatum var. alpinum J. P. Smith, J. O. Sawyer 1972-5-6 5261 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  HSC65629  Hydrophyllum capitatum var. alpinum J. P. Smith, J. O. Sawyer 1972-5-6 5261 Modoc USFS Road to Quail Spring at Hwy. 299 N of Adin 1463 Comment
  RSA77052  Hydrophyllum capitatum var. alpinum F. W. Peirson 1926-6-25 6875 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  SEINET195702  Hydrophyllum capitatum var. alpinum Annie M. Alexander, Louise Kellogg 1946-7-24 5077 Modoc Bear Camp Flat, Warner Mountains. 2286 Comment
  UC107176  Hydrophyllum capitatum var. alpinum Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  POM98604  Hydrophyllum capitatum var. alpinum F. W. Peirson 1926-6-25 6875 Modoc Cedarville Road, Warner Mountains. Comment
  SEINET5506832  Hydrophyllum capitatum var. alpinum M. J. Williams 1968-6-1 1151 Modoc Cedar Pass Comment
  HSC59909  Hymenoxys hoopesii G. M. Riegel 1979-9-8 766 Modoc South Warner Mt. Wilderness Area 2427 Comment
  CAS-BOT-BC179903  Hypericum anagalloides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16477 Modoc Campground on Lassen Creek, 1.6 mi. above ford, Warner Mts. Comment
  JEPS4573  Hypericum anagalloides Frances D. Payne 1935-7-19 795 Modoc s. and e. of Alturas (mouth of Dry Creek - a tributary of Parker Creek); Warner Mts., Dry Creek Comment
  UC10772  Idahoa scapigera Mrs. R. M. Austin April, 1894 Modoc Goose Lake Valley Comment
  HSC80888  Ipomopsis aggregata subsp. attenuata G. M. Riegel 1980-7-30 978 Modoc S Warner Mtns. 1829 Comment
  UC23475  Ipomopsis congesta Mrs. C. C. Bruce June 1898 2330 Modoc table land Warner Mtns Comment
  CAS-BOT-BC190642  Ipomopsis congesta subsp. palmifrons Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2133 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC245098  Iris missouriensis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16450 Modoc Southern outskirts of Fort Bidwell. Comment
  CAS-BOT-BC245104  Iris missouriensis Bruce Bartholomew; Barrett Anderson 1989-6-2 4787 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 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
  RSA639344  Isoetes howellii L. C. Wheeler 1935-10-6 4025 Modoc Lily Lake, Pine Creek. (Mt. Diablo Mer.) 2073 Comment
  SEINET6164860  Isoetes howellii M. Lavin, K. Warren 1979-9-2 s.n. Modoc South Warner Wilderness Area, along N edge of N Emerson Lake 2438 Comment
  UCD133357  Iva axillaris Herbert L. Mason 1947-7-10 13344 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  UCR64880  Iva axillaris George K. Helmkamp 1990-9-23 H- 01 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  NY833728  Ivesia baileyi var. beneolens D. W. Taylor 1990-6-25 11164 Modoc Cedar Pass, growing on nearly vertical cliffs of volcanic breccia, northerly slopes of Peak 7298 2149 Comment
  CAS-BOT-BC214720  Ivesia gordonii Bruce Bartholomew 1991-8-5 6072 Modoc Summit Trail, NW side of Squaw Peak, W side of Warner Mts. 2480 Comment
  UC1100954  Juncus balticus Herbert L. Mason 1947-8-15 13546 Modoc e side Goose Lake (on Willow Ranch); , Mouth of Crane Creek Comment
  CAS-BOT-BC245073  Juncus bufonius Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10603 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road. Comment
  RSA0113961  Juncus bufonius var. bufonius Lowell A. Ahart, John Dittes 2013-7-24 18929 Modoc About 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilor Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big valley. 1263 Comment
  JEPS121224  Juncus bufonius var. congestus Lowell Ahart, John Dittes 2013-7-24 18929 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  CHSC117141  Juncus bufonius var. occidentalis Lowell Ahart; John Dittes 2016-7-14 21205 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 Cdounty Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA0113962  Juncus bufonius var. occidentalis Lowell A. Ahart, John Dittes 2013-7-24 18930 Modoc About 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilor Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big valley. 1263 Comment
  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-BC245063  Juncus ensifolius Bruce Bartholomew; Barrett Anderson 1988-7-23 4595 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  CHSC117259  Juncus ensifolius Lowell Ahart; John Dittes 2016-7-14 21206 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
  JEPS66985  Juncus ensifolius W. L. Jepson 1918-8-14 7985 Modoc Jess Valley 1584 Comment
  UC1101073  Juncus ensifolius Verne Grant and Irving Schneider 1947-8-24 8260 Modoc s end Jess Valley; Warner Mountains, Harvey Creek Comment
  UC1601861  Juncus ensifolius Baker and Nutting 1894-7-28 Modoc Bridge Creek Comment
  CAS-BOT-BC245057  Juncus hemiendytus var. abjectus Bruce Bartholomew 1995-6-3 6958 Modoc Island Meadow N of road between Goose Lake and Crowder Flat Road. 1570 Comment
  CAS-BOT-BC245050  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-12 6600 Modoc Tom Large Flat, W of Egg Lake. 1260 Comment
  CAS-BOT-BC245055  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-14 6671 Modoc Vicinity of Badger Well. 1500 Comment
  CAS-BOT-BC245046  Juncus longistylis Alice Eastwood; John Thomas Howell 1940-6-15 8279 Modoc Near Happy Camp Ranger Station. Comment
  HSC14092  Juncus nevadensis M. T. Milligan 1965-6-23 310 Modoc N end Jess Valley 1616 Comment
  JEPS114907  Juncus orthophyllus Lowell Ahart, John Dittes 2008-8-26 15351 Modoc On the bottom 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
  UC1601765  Juncus orthophyllus Milo S. Baker 1893-7-8 Modoc Egg Lake Comment
  SEINET4856379  Juncus trilocularis Louis C. Wheeler 1935-9-23 4001 Modoc Modoc NF: Pease Flat; Devil's Garden. 1524 Comment
  CAS-BOT-BC81198  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  CAS-BOT-BC81201  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  CAS-BOT-BC81206  Juniperus occidentalis Roxana S. Ferris; Rena Duthie 1919-6-13 104 Modoc Parker Creek, Warner Mts. 1981 Comment
  HSC80923  Juniperus occidentalis G. M. Riegel 1979-8-13 655 Modoc S Warner Mtns. 1670 Comment
  UC401375  Juniperus occidentalis Belknap C. Goldsmith 1911-5-21 Modoc county road near Goose Lake; Modoc National Forest Comment
  CAS-BOT-BC81207  Juniperus occidentalis P. Monnet 1913-1 s.n. (or 893 B) Modoc Warner's Range 2133 Comment
  LA6642  Juniperus occidentalis Carl Epling; Mrs. Epling 1935-8-15 Modoc Courtwright Comment
  SEINET2029157 Image available Kalmia polifolia L. C. Wheeler 1935-8-4 3776 Modoc Warner Mountains, Pine Creek 2210 Comment
  CAS-BOT-BC225098  Kelloggia galioides Elmer Ivan Applegate 1932-7-31 7986 Modoc Mill Creek Meadows. Comment
  HSC19852  Kelloggia galioides M. T. Milligan 1965-6-30 388 Modoc Slopes and ridges E of Jess Valley 1738 Comment
  POM299547  Kelloggia galioides Marion Ownbey, Fred G. Meyer 1940-7-1 2149 Modoc Cedar Peak, Warner Mountains. Comment
  CAS-BOT-BC247643  Koeleria macrantha R. M. Austin 1895-7-1 494 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC247676  Koeleria macrantha John H. Hatton 1911-6-22 168 Modoc unspecified 1524 Comment
  HSC5889  Lactuca biennis M. T. Milligan 1966-7-25 572 Modoc E of Jess Valley 1646 Comment
  CHSC106339  Lactuca serriola Lowell Ahart; John Dittes 2010-8-30 17073 A 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
  CDA7518  Lactuca tatarica subsp. pulchella T. C. Fuller 1958-7-8 2029 Modoc Davis Creek. 0 Comment
  RSA504645  Lagophylla ramosissima Bruce Bartholomew, B. Anderson 1988-6-23 4239 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC49494  Lagophylla ramosissima subsp. ramosissima Alice Eastwood; John Thomas Howell 1940-6-14 8202 Modoc Near Kelly Hot Spring. Comment
  CHSC110887  Lagophylla ramosissima subsp. ramosissima Lowell Ahart; John Dittes 2012-7-12 18376 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1262 Comment
  JEPS63245  Lamium amplexicaule L. S. Smith 1919-5-7 1093 Modoc Jess Valley; Warner Mts. Comment
  UC78790  Lappula redowskii Mrs. R. M. Austin 1894-1 Modoc Willow Creek Valley Comment
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Jul 6 2010
  CHSC85155  Lasthenia glaberrima John Dittes; Josephine Guardino 1991-7-21 408 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-BC181982  Lathyrus brownii Roxana Stinchfield Ferris; R. Duthie 1919-6-13 124 Modoc Above Parker Creek, Warner Mts. 2133 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
  RSA101362  Lathyrus pauciflorus subsp. brownii C. A. Weatherby 1955-7-8 1621 Modoc 6 miles north of Ft. Bidwell, northern Warner Mts. 1784 Comment
  RSA245208  Lathyrus pauciflorus subsp. brownii D. H. Norris, T. Nelson, S. Dowty, B. Norris 1971-6-23 19472 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  CHSC77212  Lathyrus rigidus G. Schoolcraft 1998-5-19 2710 Modoc Hwy 395 about 9.5 mi. N of Davis Creek. 1524 Comment
  NY716853  Lathyrus rigidus W. Larkin 04 1920 s.n. Modoc Goose Lake Valley Comment
  NY716854  Lathyrus rigidus C. L. Hitchcock 1950-5-27 19225 Modoc Ca. 20 miles north of Alturas Comment
  UC15320  Lathyrus rigidus Mrs. R. M. Austin and Bruce May 1898 2216 Modoc Goose Lake Valley Comment
  CAS-BOT-BC49455  Layia glandulosa C. C. (Mrs.) Bruce 1898-6-1 2172 Modoc Near Alturas. Comment
  POM260869  Layia glandulosa subsp. glandulosa Alice Eastwood, J. T. Howell 1940-6-14 8247 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  SEINET2149789  Ledum glandulosum var. californicum K. T. Harper 1974-1 136 Modoc West slope of Warner Mountains, Pine Creek. 2195 Comment
  JEPS123836  Lemna minuta Lowell Ahart, John Dittes 2015-7-17 20397 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  CAS-BOT-BC245029  Lemna trisulca Verne Grant; I. Schneider 1947-7-19 8065 Modoc Corporation ranch, south of south loop road, S of Alturas. Comment
  CAS-BOT-BC88678  Lepidium acutidens Ellsworth Bethel 1923-4-25 s.n. Modoc Kelby Hot Springs. Canby. Comment
  CAS-BOT-BC58458  Lepidium campestre Bruce Bartholomew 1992-5-16 6315 Modoc Wet pasture just E of the town of Davis Creek. 1480 Comment
  CAS-BOT-BC58344  Lepidium dictyotum var. dictyotum Bruce Bartholomew 1995-5-13 6904 Modoc E of Eagleville near Eagleville Airport, S end of Surprize Valley. 1390 Comment
  NY76539  Lepidium latifolium M. J. Williams 1984-7-1 84- 89 --1 Modoc Northwest of Alturas, north of Highway 299, Crowder Flat Road 1371.6 Comment
  JEPS53644  Lepidium montanum Mrs. R. M. Austin 1888-1 336 Modoc s of Alturas; Pit River Comment
  CAS-BOT-BC58302  Lepidium perfoliatum Bruce Bartholomew; Barrett Anderson 1988-6-25 4382 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  HSC65382  Lepidium perfoliatum Thomas Wood 1979-8-8 214 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  UCD115844  Lepidium perfoliatum Robbins; Raynor 1943-6-1 s.n. Modoc Near Likely. Comment
  CAS-BOT-BC58303  Lepidium virginicum K. Paulson; Robert Paulson 1989-7-18 198 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1790 Comment
  UC23808  Leptodactylon pungens Milo S. Baker 1893-6 Modoc Comment
  SEINET5512248  Leptodactylon pungens var. hookeri J. C. Beatley 1964-1 Modoc Tule Lake area 1829 Comment
  RSA520471  Leptosiphon bolanderi Bruce Bartholomew, B. Anderson 1989-4-27 4625 Modoc Little Hot Spring Valley, 4 km NW of Day. 1070 Comment
  HSC80890  Leptosiphon harknessii G. M. Riegel 1979-7-12 508 Modoc S Warner Mtns. 2100 Comment
  HSC75594  Leptosiphon nuttallii G. M. Riegel 1980-7-30 960 Modoc S Warner Mtns. 1739 Comment
  POM96125  Lesquerella occidentalis Mrs. R. M. Austin, Bruce 1898-06 s.n. Modoc Lake City Mt, near Davis Creek. Comment
  CAS-BOT-BC242086  Leucocrinum montanum Bruce Bartholomew 1991-5-25 5750 Modoc Ca. 6 km NW of Tionesta on road to Lava Beds National Monument. 1310 Comment
  UC1037302  Leucocrinum montanum Leo Whitney 1934-4-15 1615 Modoc near Hackamore; Modoc National Forest 1463 Comment
  RSA113686  Leucophysalis nana H. K. Sharsmith 1955-6-26 4509 Modoc Adjacent to Hwy 39, ca 20 miles N of Canby. Modoc National Forest. 1524 Comment
  POM203130  Leucopoa kingii J. T. Howell 1934-7-1 12338 Modoc Duncan Horse Camp Comment
  RSA27322  Lewisia rediviva C. L. Hitchcock 1940-5-27 6671 Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC197496  Lewisia rediviva Annie Montague Alexander; L. Kellogg 1946-6-14 4744 Modoc Patterson Mill Road, SE corner of county. 1341 Comment
  CHSC112873  Lewisia rediviva var. rediviva L. P. Janeway; B. Castro 2014-6-2 11284 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  UC1586893  Lewisia triphylla Juha Pykala and D. H. Norris 1987-5-28 1277 Modoc ca 3-4 mi w Lake City (Lake City Canyon); Warner Mountains, Modoc National Forest, Lake City Canyon 1828 Comment
  UCD64258  Leymus cinereus A. A. Beetle 1941-6-29 2841 Modoc 15 miles E of Alturas on road to Cedarville Pass. 1371 Comment
  JEPS68582  Leymus triticoides Leland S. Smith 1917-7-23 893 Modoc Joseph Creek 1706 Comment
  UC1037170  Leymus triticoides Leo Whitney 1935-7-21 3523 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  UC1037182  Leymus triticoides Leo Whitney 1935-8-7 3611 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  CAS-BOT-BC21461  Ligusticum grayi Louis Cutter Wheeler 1935-8-16 3882 Modoc Dismal Swamp. 2225 Comment
  UC1100168  Lilaea scilloides Herbert L. Mason and Verne Grant 1947-7-11 13375 Modoc s of Alturas (w side of road); South Fork of Pit River 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
  CAS-BOT-BC238354  Limosella aquatica Alice Eastwood; John Thomas Howell 1940-6-12 8099 Modoc Midway between Likely and Alturas Comment
  RSA210885  Limosella aquatica Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39119 -a Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  JEPS17627  Limosella aquatica Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5388 Modoc near roadside about 4 mi s of Cedarville (on western edge of Surprise Valley); Surprise Valley 1463 Comment
  UCD124797  Limosella aquatica Herbert L. Mason; Verne Grant 1947-7-12 13418 Modoc Pit River Valley, south of Alturas. Comment
  CAS-BOT-BC198042  Linanthus harknessii Margaret J. Williams 1983-7-29 83- 116 -8 Modoc 1.1 mi. N of Stowe Reservoir Campground. 2087 Comment
  CAS-BOT-BC198031  Linanthus harknessii Mrs. H. C. Cantelow 1940-6-2 4133 Modoc Road to lava beds NW of Canby. Comment
  RSA59596  Linanthus pungens subsp. hookeri Verne Grant, Alva Grant 1950-7-14 8945 Modoc North flank of Cedarr Peak near summit, Warner Mountains 2195 Comment
  UC2043247  Linaria dalmatica Barbara Ertter 1995-7-1 14458 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  CDA37693  Linaria dalmatica Robin Breckenridge 2005-6-18 s.n. Modoc New Pine Creek, along Highway 395 near California/Oregon border. 0 Comment
  UC28481  Linnaea borealis var. longiflora Mrs. R. M. Austin Aug., 1894 Modoc Lassen Creek; ne Modoc Co. Comment
  CAS-BOT-BC179161  Linum lewisii Elmer Ivan Applegate 1932-7-9 7601 Modoc NE slope of Bidwell Mt. Comment
  UC71753  Linum lewisii Mrs. M. H. Manning 1903-8-27 178 Modoc top of Mount Bidwell, north-eastern Modoc County Mount Bidwell 1524 Comment
  UCD110594  Linum lewisii J. M. Tucker 1950-7-25 1969 Modoc Beside highway 139, 26.4 miles southeast of Tule Lake. Comment
  POM138937  Linum lewisii M. S. Baker 1893-6-4 8419 Modoc Modoc. Co. Comment
  SJSU9652  Linum lewisii var. lewisii W. Savage 1979-7-8 1487 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC13523  Listera convallarioides Milo S. Baker 1893-7-16 Modoc Comment
  JEPS5960  Lithophragma glabrum Frances D. Payne 1932-6-12 543 Modoc Dry Creek Canyon; Warner Mountains, Dry Creek Canyon 1645 Comment
  POM260324  Lithophragma glabrum C. L. Hitchcock 1940-5-27 6718 Modoc 15 miles NE of Alturas. 1982 Comment
  UC748208  Lithophragma glabrum Annie M. Alexander and Louise Kellogg 1946-6-25 4824 Modoc Dismal Swamp Warner Mtns (n end of Warner Mtns) 2255 Comment
  RSA488032  Lithophragma glabrum Bruce Bartholomew, B. Anderson 1988-5-12 4112 Modoc S side of Egg Lake. 1300 Comment
  RSA59363  Lithophragma glabrum E. K. Balls 1950-5-11 14630 Modoc 8.1 miles NE of Fort Bidwell. Above Cow Head Lake. Along 8 Mile Creek. 1463 Comment
  CAS-BOT-BC225831  Lithophragma parviflorum Bruce Bartholomew 1993-6-12 6594 Modoc Top of ridge directly above Day Rock. 1380 Comment
  JEPS5958  Lithophragma parviflorum Frances D. Payne 1929-7-7 55 A Modoc 2 mi sw Mt. Warren (Pine Creek Basin, se Modoc County); Warner Mts., sw of Mt. Warren, Pine Creek Basin 2133 Comment
  CAS-BOT-BC123100  Lithophragma tenellum R. M. Austin 1894-6-1 s.n. Modoc Lava beds Comment
  CAS-BOT-BC225842  Lithophragma tenellum Elmer Ivan Applegate 1936-5-2 10202 Modoc Between Indian Well and Caldwell Butte, Lava Beds National Monument. Comment
  UC748463  Lithospermum ruderale Annie M. Alexander and Louise Kellogg 1946-6-10 4724 Modoc <near bottom of slope facing Lower Lake; Lava bench between Lower and Snake Lakes> Comment
  POM72725  Lithospermum ruderale Mrs. R. M. Austin 524 Modoc Goose Lake Valley. Comment
  RSA531361  Lithospermum ruderale Bruce Bartholomew, B. Anderson 1989-4-27 4636 Modoc Ryan Canyon, 6km NW of Adin on road to Dutch Flat. 1370 Comment
  CAS-BOT-BC21436  Lomatium bicolor var. leptocarpum Bruce Bartholomew 1995-6-4 6964 Modoc Round Valley 1.8 km S of State Hwy 299 on County road 86. 1280 Comment
  CAS-BOT-BC21437  Lomatium bicolor var. leptocarpum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6495 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  CHSC109487  Lomatium bicolor var. leptocarpum L. P. Janeway; B. Castro 2012-7-24 10977 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  HSC26514  Lomatium bicolor var. leptocarpum J. P. Smith, J. O. Sawyer 1972-5-6 5247 Modoc County Rd. 86, just E of Adin. 1098 Comment
  JEPS89919  Lomatium bicolor var. leptocarpum Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9114 Modoc headwaters of upper S. Deep Creek Warner Mts., headwaters of upper S. Deep Creek 2194 Comment
  POM78001  Lomatium bicolor var. leptocarpum Mrs. R. M. Austin 1895-07 40 Modoc Davis Creek Comment
  CAS-BOT-BC21428  Lomatium canbyi Bruce Bartholomew 1993-4-3 6405 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  CAS-BOT-BC21431  Lomatium canbyi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6498 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  CAS-BOT-BC497468  Lomatium hallii Margaret J. Williams 1988-5-30 88- 26 -1 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC30141  Lomatium macrocarpum Mrs. H. C. Cantelow 1940-6-1 4509 Modoc 10 mi. E of Alturas. Comment
  CAS-BOT-BC30146  Lomatium macrocarpum Isabel T. Kelly 1930-1-1 21 Modoc Cowhead Lake. Comment
  CAS-BOT-BC30147  Lomatium macrocarpum John Thomas Howell 1934-6-11 11924 Modoc Parker Creek. 1584 Comment
  RSA452142  Lomatium macrocarpum Christopher Davidson 1975-6-4 2606 Modoc 2.2 miles east of Highway 395 on highway 299 towards Cedarville 1494 Comment
  SEINET229583  Lomatium marginatum Gary Schoolcraft 1981-6-6 378 Modoc Ne of Alturas California 1524 Comment
  RSA125347  Lomatium nevadense P. H. Raven, Otto T. Solbrig 1958-6-18 13311 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  CAS-BOT-BC15755  Lomatium nevadense var. nevadense Alice Eastwood; John Thomas Howell 1940-6-13 8147 Modoc Fandango Pass. Comment
  UC71557  Lomatium nevadense var. parishii Mrs. M. H. Manning 1903-4 57 Modoc n.e. Modoc Co. Comment
  OBI47980  Lomatium nudicaule Rhonda Riggins 1989-4-28 1663 Modoc Pencil Rd. 4.4 mi N of Hwy 395 E of Alturas Comment
  CAS-BOT-BC15769  Lomatium nudicaule 1976-5-1 9 LM76 Modoc Devils Garden N of Alturas. 1402 Comment
  RSA452582  Lomatium nudicaule Christopher Davidson 1973-5-26 2138 Modoc Highway 299 N of Adin Summit 1524 Comment
  SJSU13879  Lomatium plummerae N. A. Hopkins 1985-5-13 1269 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
  SEINET11131560  Lomatium triternatum M. J. Williams, T. Holcomb, B. Holcomb, L. Saxton 1988-5-28 88191 Modoc Hwy 395, intersection with Davis Creek Road Comment
  CHSC31504  Lomatium triternatum var. macrocarpum N. E. H. Prouty 1980-6-2 178 Modoc Northern side of Dry Creek Basin Rd. Comment
  SEINET11131400  Lomatium triternatum var. triternatum I. Tidestrom 1910-6-25 3663 Modoc Near Goose Lake, CA Comment
  POM260283  Lomatium vaginatum C. L. Hitchcock 1940-5-27 6657 Modoc 9 miles northeast of Alturas. 1402 Comment
  CAS-BOT-BC95174  Lonicera involucrata var. involucrata Elmer Ivan Applegate 1932-8-2 8097 Modoc Mill Creek Meadow, W slope Warner Mts. Comment
  RSA339166  Lotus denticulatus Margaret J. Williams 1984-6-20 84- 82 -2 Modoc 13.4 mi W along Parker Creek Road. 1585 Comment
  UC526196  Lotus humistratus John Thomas Howell 1934-6-15 12204 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC181951  Lotus nevadensis var. nevadensis Bruce Bartholomew 1991-7-6 5983 Modoc W side of Egg Lake between lava beds. 1300 Comment
  CAS-BOT-BC181938  Lotus purshianus var. purshianus Bruce Bartholomew; Barrett Anderson 1988-6-25 4400 B Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC181943  Lotus purshianus var. purshianus Bruce Bartholomew 1989-7-14 4962 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  RSA210839  Lotus unifoliolatus Robert F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39066 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  RSA520488  Lotus unifoliolatus Bruce Bartholomew 1989-8-10 5039 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC181899  Lupinus arbustus Bruce Bartholomew 1992-8-9 6385 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  CAS-BOT-BC181901  Lupinus arbustus Francis Dorris Payne 1929-6-24 24 Modoc Pine Creek, above Fitzhugh Springs. 1645 Comment
  CAS-BOT-BC181916  Lupinus arbustus Alice Eastwood; John Thomas Howell 1940-6-13 8141 Modoc Fandango Pass. Comment
  CAS-BOT-BC498680  Lupinus arbustus Mrs. H. C. Cantelow 1941-5-22 s.n. Modoc 2 mi E of Adin Summit (elevation at summit = 5173 ft) Comment
  JEPS64954  Lupinus arbustus Frances D. Payne 1931-6-29 297 A Modoc Owl Creek Warner Mountains (SE slopes of Warner Mountains) 2133 Comment
  NY732853  Lupinus arbustus subsp. calcaratus R. M. Austin 06 1898 2146 Modoc Comment
  RSA414447  Lupinus arbustus subsp. silvicola Christopher Davidson 1973-5-26 2133 Modoc Ca. 4 miles west of Canby on highway 299. 1341 Comment
  CAS-BOT-BC182198  Lupinus argenteus John Thomas Howell 1934-7-2 12367 Modoc W side of Clear Lake. Comment
  CAS-BOT-BC182222  Lupinus argenteus Mrs. H. C. Cantelow 1940-5-31 Modoc 1.8 mi. W of Canby. Comment
  SEINET3145124  Lupinus argenteus L. S. Rose 1940-6-14 40564 Modoc Kelly Hot Springs 1341 Comment
  SEINET10870583  Lupinus argenteus subsp. argenteus Charles Piper Smith 1947-6-13 Smith 47450 Modoc Hwy 299, 2.5 miles s Comment
  CAS-BOT-BC182091  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47454 Modoc Highway 395, Davis Creek (town), 6.4 mi. S. Comment
  CAS-BOT-BC182100  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1929-6-25 5905 Modoc Willow Ranch, Goose Lake Valley. Comment
  CAS-BOT-BC182105  Lupinus argenteus var. heteranthus Mrs. H. C. Cantelow 1940-6-1 Modoc 7.4 mi. E of Hwy 395 on road to Fandango Pass, Warner Mts. Comment
  CAS-BOT-BC182113  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47464 Modoc Highway 395, Pine Creek (town) 0.8 mi. S. Comment
  RSA0039533  Lupinus argenteus var. heteranthus Lowell A. Ahart, John Dittes 2012-7-10 18330 Modoc About 300 yards northeast of the old barn, on the sides of the mowed road. 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
  UC748291  Lupinus argenteus var. heteranthus Annie M. Alexander and Louise Kellogg 1946-7-23 5052 Modoc on ne slope Emerson Peak; Warner Mountains, ne slope Emerson Peak Comment
  JEPS15481  Lupinus argenteus var. heteranthus Joseph and Hilda Grinnell 1938-6-14 1105 a Modoc along hiway #395 between Alturas and Oregon line (Fairport); Fairport 1524 Comment
  CHSC112351  Lupinus brevicaulis L. P. Janeway; B. Castro 2014-2-6 11285 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  NY746670  Lupinus brevicaulis M. J. Williams 1988-6-2 88- 28 --3 Modoc Jess Valley, east of Likely, south of roadside rest Comment
  HSC28501  Lupinus caudatus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19471 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  RSA520379  Lupinus latifolius subsp. latifolius Bruce Bartholomew, B. Anderson 1989-6-1 4753 Modoc Ca. 0.5 km west of Davis Creek on road to south end of Goose Lake. 1460 Comment
  RSA31849  Lupinus latifolius subsp. viridifolius A. A. Heller 1941-6-25 16206 Modoc West side of the grade leading up to Cedar Pass. Comment
  CAS-BOT-BC181866  Lupinus lepidus var. sellulus John Thomas Howell 1934-7-1 12302 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC181851  Lupinus leucophyllus K. Paulson; Robert Paulson 1989-7-2 160 Modoc Cottonwood Flat. 1447 Comment
  CAS-BOT-BC181838  Lupinus microcarpus var. microcarpus F. Angwin 1946-5-3 Modoc Big Valley, 2 mi. NW of Adin. 1280 Comment
  CAS-BOT-BC181843  Lupinus microcarpus var. microcarpus Bruce Bartholomew 1990-6-18 5368 Modoc SW side of Goose Lake, 2 km N of McGinty Point. 1420 Comment
  JEPS15478  Lupinus microcarpus var. microcarpus Joseph and Hilda W. Grinnell 1938-6-16 1114 a Modoc 6 mi s Fort Bidwell; s of Fort Bidwell 1463 Comment
  UC15957  Lupinus microcarpus var. microcarpus Milo S. Baker 1893-7-28 Modoc Comment
  UC619258  Lupinus microcarpus var. microcarpus J. and H. W. Grinnell 1938-6-16 1114 Modoc six mi s Fort Bidwell; s of Fort Bidwell 1463 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
  CAS-BOT-BC181816  Lupinus saxosus R. M. Austin Modoc Modoc County. Comment
  SEINET10486221  Lupinus saxosus Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2586 Modoc 5 mi s of canby on state hwy. 299. Lupines heavily carpeting hillsides of Large basaltic boulders, sparse juniper-artemisia, purshia, poa association. 1280 Comment
  RSA551270  Luzula comosa var. laxa Bruce Bartholomew, B. Anderson 1988-7-23 4566 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  RSA29709  Lycium barbarum Louis C. Wheeler 1935-10-10 4033 Modoc Alturas. 1357 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
  SBBG128274  Lythrum tribracteatum L. Ahart, J. Dittes 2010-8-30 17055 Modoc N side of small wash, ca. 10 yards W of the fence, S edge of the meadow, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8.0 mi NE of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC49475  Madia citriodora Bruce Bartholomew; Barrett Anderson 1988-6-23 4242 Modoc 4.2 km NW of Day. 1020 Comment
  RSA504642  Madia citriodora Bruce Bartholomew, B. Anderson 1988-6-23 4242 Modoc 4.2 kim NW of Day. 1020 Comment
  CHSC111109  Madia elegans subsp. densifolia Lowell Ahart; John Dittes 2012-7-12 18375 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1262 Comment
  CAS-BOT-BC49450  Madia glomerata Herbert Louis Mason 1947-8-11 13496 Modoc On Hwy 81, W margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  RSA520494  Madia glomerata Bruce Bartholomew 1989-8-10 5043 Modoc Little Hot Springs Valley, 3.9 km NW of Day 1070 Comment
  UCD134271  Madia glomerata Herbert L. Mason 1947-8-9 13483 Modoc on east side of Fairchild Swamp, north of Alturas. 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-BC49425  Madia gracilis Bruce Bartholomew 1991-7-6 5957 Modoc 2 km above Lower Rush Creek Campground along Rush Creek. 1500 Comment
  RSA101499  Mahonia repens R. Weatherby 1955-7-7 1605 Modoc 8 mi. north of Ft. Bidwell, Warner Mts. 1951 Comment
  RSA486353  Mahonia repens Bruce Bartholomew, B. Anderson 1988-5-13 4175 Modoc 0.6 km N of Jess Valley on West Warner Road, W side of the Warner Mountains. Northern Jeffrey pine forest. 1620 Comment
  CAS-BOT-BC242027  Maianthemum racemosum Bruce Bartholomew 1989-8-12 5123 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  CAS-BOT-BC242030  Maianthemum racemosum E. S. Willits 1940-5-6 219 Modoc Near Lassen Creek, Willow Ranch. Comment
  CAS-BOT-BC242035  Maianthemum racemosum Bruce Bartholomew 1991-6-21 5806 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  POM169302  Maianthemum stellatum M. H. Manning 1903-1 114 Modoc Fort Bidwell, northeastern Modoc Co. Comment
  RSA59523  Maianthemum stellatum E. K. Balls 1950-5-21 14817 Modoc Around South Fork Public Camp, South Fork Pit River, Likely to Jess Valley 1433 Comment
  POM172674  Maianthemum stellatum Franklin P. Nutting 1894-6-15 s.n. Modoc Big Valley Mountains Comment
  CDA4989  Malva neglecta T. C. Fuller 1958-7-8 1975 Modoc Corporation Ranch, Likely. 0 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
  UC748041  Marrubium vulgare Annie M. Alexander and Louise Kellogg 1946-6-22 4812 Modoc upper edge Lake Annie; upper edge of Lake Annie 1524 Comment
  CAS-BOT-BC179870  Marrubium vulgare John H. Hatton 1911-6-22 149 Modoc Modoc County, lava formation. 1615 Comment
  CAS-BOT-BC498693  Marsilea vestita R. K. Gierisch; D. H. Esplin 1969-7-16 3546 Modoc Spaulding Resvr. 1432 Comment
  POM229956  Marsilea vestita L. C. Wheeler 1935-8-18 3897 Modoc 2 miles northeast of Alturas 1357 Comment
  CHSC112096  Matricaria discoidea Lowell Ahart; John Dittes 2012-7-12 18353 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  CAS-BOT-BC247628  Melica Elmer Ivan Applegate 1932-7-31 7987 Modoc Mill Creek Meadows. Comment
  SEINET10925516  Melica stricta F. Marion Ownbey, Fred G. Meyer 1940-7-1 Ownbey 2152 Modoc In Protection Of East Facing Rock Ledges, Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC247572  Melica subulata Bruce Bartholomew; Barrett Anderson 1990-7-20 5495 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  UCD88671  Melica subulata R. Tofsrud 1947-7-1 251 Modoc 5 mi. W of Ft. Bidwell. Comment
  SEINET10737674  Melilotus officinalis Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 928 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  CAS-BOT-BC179860  Mentha arvensis Bruce Bartholomew 1990-8-3 5601 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CAS-BOT-BC179865  Mentha arvensis Bruce Bartholomew 1995-8-1 7170 Modoc Ca. 1.6 km SE of Fort Bidwell on Fee Rd. 1390 Comment
  CAS-BOT-BC179867  Mentha arvensis Bruce Bartholomew 1990-8-3 5616 Modoc 8 km E of Likely on road to Jess Valley. Along S Fork of the Pit River. 1420 Comment
  SFV18020  Mentha arvensis J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc Pothole Creek near Pothole Spring. Near crossing of Clear Lake Road. 1470 Comment
  UC1191906  Mentha canadensis Verne Grant and Irving Schneider 1947-7-18 8050 Modoc Eastside Canal 5 mi n Bayley's bridge (s of Alturas); , Eastside Canal Comment
  UC25384  Mentha canadensis Milo S. Baker 1893-7-25 Modoc Rocky Islands Egg Lake (Egg Lake); , Egg Lake Comment
  CAS-BOT-BC179147  Mentzelia dispersa Bruce Bartholomew 1991-6-20 5786 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  RSA520500  Mentzelia dispersa Bruce Bartholomew 1989-7-15 4999 Modoc Sweagert Flat. 567 Comment
  UC718796  Mentzelia dispersa B. J. Hammerly 1941-6-20 39 Modoc Between Mill Creekk Public Camp and Clear lake (On dry south slope) Comment
  JEPS41194  Mentzelia dispersa Milo S. Baker Modoc Comment
  POM84013  Mentzelia dispersa R. M. Austin 517 Modoc Willow Creek. Comment
  UCD117344  Mentzelia laevicaulis Verne Grant; Irving Schneider 1947-7-22 8161 Modoc at headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  CAS-BOT-BC179111  Mentzelia veatchiana Bruce Bartholomew 1990-6-17 5334 Modoc Surprise Valley, at the W side of Middle Alkali Lake, directly E of Cedarville. 1370 Comment
  CAS-BOT-BC191145  Menyanthes trifoliata Francis Dorris Payne 1929-7-26 121 Modoc Pine Creek Basin. 2133 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
  CAS-BOT-BC54047  Mertensia cusickii Bruce Bartholomew 1994-5-28 6717 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  JEPS70775  Mertensia longiflora L. S. Smith 1919-5-1 1083 Modoc Modoc Nat'l Forest, Warner Mts., South Warners 1828 Comment
  CAS-BOT-BC54009  Mertensia oblongifolia var. amoena Milo Samuel Baker 1893-8-1 s.n. Modoc Craigs. Comment
  CHSC31508  Mertensia oblongifolia var. amoena N. E. H. Prouty 1980-7-1 196 Modoc Modoc Nat. Forest. Opening south of Soup Spring's Campground. 2072 Comment
  JEPS70777  Mertensia oblongifolia var. nevadensis Steffen 1917-6-9 29 A Modoc Modoc Forest, Jess Valley 1981 Comment
  CAS-BOT-BC54024  Mertensia oblongifolia var. oblongifolia Margaret J. Williams 1984-6-29 84- 71 -1 Modoc Lily Lake. 2072 Comment
  CAS-BOT-BC58776  Mertensia oblongifolia var. oblongifolia Elmer Ivan Applegate 1932-8-7 8246 Modoc Lily Lake. Comment
  CAS-BOT-BC58777  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6301 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  RSA165570  Mertensia oblongifolia var. oblongifolia Clare B. Hardham 1961-6-18 7594 Modoc Warner Mountains: Headwaters Davis Creek 2134 Comment
  CAS-BOT-BC225958  Micranthes nidifica Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6509 Modoc Ca. 3 km S of Oregon border on Forest Service Rte. 7. 1720 Comment
  CAS-BOT-BC49359  Microseris nutans Bruce Bartholomew 1989-7-15 5011 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC49360  Microseris nutans Clare Butterworth Hardham 1961-6-18 7590 Modoc Cedar Pass. 1828 Comment
  POM203847  Microseris nutans J. T. Howell 1934-6-13 12051 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  CAS-BOT-BC197909  Microsteris gracilis E. S. Willits 1940-5-17 267 Modoc Willow Ranch. Comment
  CAS-BOT-BC498685  Microsteris gracilis R. L. Ward 1976-5-18 3 Modoc Modoc National Forest: Cowhead - Pine Spring 1493 Comment
  HSC17121  Microsteris gracilis M. T. Milligan 1965-6-27 361 Modoc E slope of eroded volcanic plateau. 1677 Comment
  UC1249273  Mimulus breweri Arthur Cronquist, Arthur H. Holmgren 1959-6-20 8520 Modoc between Cedarville and Alturas; Warner Mts., Cedarville Pass 1950 Comment
  JEPS127151  Mimulus guttatus Lowell Ahart, John Dittes 2016-7-16 21238 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
  RSA210887  Mimulus guttatus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39094 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  SBBG10583  Mimulus guttatus D. Myrick 1968-6-20 1975 Modoc Davis Crk on US Hwy 395, 15 mi N of Alturas 1524 Comment
  UC445217  Mimulus guttatus Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell; 12 Mile Creek Comment
  UC445221  Mimulus guttatus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains 2225 Comment
  RSA550577  Mimulus guttatus Bruce Bartholomew, B. Anderson 1989-6-3 4848 Modoc Cedar Pass; Warner Mountains. 1920 Comment
  RSA550580  Mimulus guttatus Bruce Bartholomew 1991-7-6 5985 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  UC1537634  Mimulus guttatus Gordon H. True Jr. 1939-7-21 1032 Modoc Jack Swamp Comment
  UC446466  Mimulus lewisii M. F. Gilman 526 Modoc Warner Mts. 1981 Comment
  SJSU9892  Mimulus longulus W. Savage 1979-7-26 1571 Modoc Fletcher Cr, Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  HSC26558  Mimulus nanus var. nanus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19486 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UCSB23723  Mimulus nanus var. nanus Hardham, Clare 1961-6-19 Modoc Cogswell Creek; Warner Mountains 1524 Comment
  RSA550575  Mimulus pulsiferae Bruce Bartholomew, B. Anderson 1989-6-3 4910 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  JEPS86895  Mimulus pygmaeus David M. Thompson 1988-6-3 927 Modoc betweeen Kramer reservoir and White Horse-Lookout road (2.3 rd mi w of railroad crossing, s end of lake); Egg Lake 1300 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
  RSA17676  Minuartia nuttallii subsp. fragilis Elmer I. Applegate 1932-8-1 8018 Modoc West slope of Warner Mountains, south of Warren Peak. Comment
  JEPS51405  Minuartia nuttallii subsp. gregaria W. L. Jepson 1918-8-13 7967 Modoc Eagle Peak Warner Mts. 3017 Comment
  SBBG19108  Minuartia nuttallii var. gregaria C. B. Hardham 1961-6-20 7886 Modoc Bidwell Rd to Dismal Crk 2438 Comment
  CAS-BOT-BC225808  Mitella pentandra Bruce Bartholomew 1994-7-2 6784 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1930 Comment
  HSC80721  Mitella pentandra G. M. Riegel 1980-7-31 939 Modoc S Warner Mtns. 1670 Comment
  SEINET6167748  Mitella pentandra A. Sanger 1996-7-12 2415 Modoc Joseph Creek, 1 mile southwest of Bald Mountain, end of road 1999 Comment
  UC7697  Mollugo verticillata W. H. Brewer 1862-8 1338 Modoc Eagle Creek Canyon Comment
  CAS-BOT-BC179372  Monardella odoratissima subsp. glauca Bruce Bartholomew 1989-7-14 4965 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CAS-BOT-BC179853  Monardella odoratissima subsp. glauca Mona Bourell; Robert Patterson 1993-8-15 5254 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC32917  Monardella odoratissima subsp. glauca J. P. Smith; J. O. Sawyer 1973-8-8 7238 Modoc South slopes of Eagle Peak. 2743 Comment
  UC71706  Monardella odoratissima subsp. glauca Mrs. M. H. Manning 1903-8-27 350 Modoc Leading to summit Mt. Bidwell Comment
  CAS-BOT-BC179359  Monardella odoratissima subsp. pallida Bruce Bartholomew 1990-8-5 5666 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  CAS-BOT-BC179362  Monardella odoratissima subsp. pallida Leland S. Smith 1924-6-8 1387 Modoc Lavas W of Lava Ranger Station and Egg Lake. 1310 Comment
  CHSC67101  Monolepis nuttalliana James D. Jokerst 1987-6-24 2939 Modoc NE of Doublehead Mtn., ca. 2.0 mi WSW of Red Lake. Comment
  CHSC85152  Monolepis nuttalliana John Dittes; Josephine Guardino 1991-7-21 405 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; at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  RSA624456  Monolepis nuttalliana L. C. Wheeler 1935-9-29 4014 Modoc Two miles south of Alturas 1357 Comment
  CAS-BOT-BC197481  Montia chamissoi Bruce Bartholomew 1991-7-4 5911 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC197518  Montia chamissoi Bruce Bartholomew 1991-7-7 6006 Modoc Pot Hole Spring. 1890 Comment
  UC932076  Montia chamissoi Verne Grant, Alva Grant 1947-7-11 8010 Modoc Thoms Creek near forest service camp site on road from Alturas to Cedar Pass; Warner Mountains, Thoms Creek Comment
  CAS-BOT-BC197544  Montia linearis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 42 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC197549  Montia linearis E. S. Willits 1940-5-17 266 Modoc Willow Ranch. Comment
  SACT001578  Muhlenbergia asperifolia Herbert Mason 1947-8-15 Modoc Mouth of creek on Willow Ranch, east of Goose Lake. Comment
Read comments
Aug 21 2013
  CAS-BOT-BC247562  Muhlenbergia richardsonis James Vale; et al 1981-5-21 4134 Modoc From Devils Garden on Crowder Flat Road near Alturas. Comment
  SEINET3125072 Image available 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
  CAS-BOT-BC392256  Myosurus apetalus E. K. Balls 1950-5-14 14693 Modoc 2.5 mi. n. of boundary Modoc Nat'l Forest, junction of roads to Emigrant Spring, Thomas Reservoir and Dead Horse Reservoir 1524 Comment
  CAS-BOT-BC217294  Myosurus minimus Bruce Bartholomew 1993-6-14 6675 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  HSC26006  Myosurus minimus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19419 Modoc Near Hager Reservoir Comment
  POM261001  Nama densa Alice Eastwood, J. T. Howell 1940-6-13 8156 Modoc East side of Fandango Pass. 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
  CHSC67374  Navarretia James D. Jokerst 1986-8-12 2766 Modoc Radar Site Survey S of Doublehead Mtn., vernal pool adjacent to unnamed road ca. 0.5 mi S of its jct. With the E-W road to Doublehead Mtn. Comment
  NY1012733  Navarretia breweri A. J. Cronquist 1959-6-20 8528 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920.2 Comment
  UCD32713  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc Modoc County, open slopes of cedar Pass summit. 1097 Comment
  UC23424  Navarretia capillaris M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley near Lookout; Big Valley near Lookout Comment
  CAS-BOT-BC198008  Navarretia divaricata subsp. vividior Alice Eastwood; John Thomas Howell 1940-6-14 8221 Modoc 8 mi. NW of Canby. 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
  JEPS86351  Navarretia intertexta Jack and Betty Guggolz 1988-6-30 965 Modoc near Old Canon Mill Road Comment
  CAS-BOT-BC197991  Navarretia intertexta subsp. intertexta Bruce Bartholomew; Barrett Anderson 1990-7-20 5460 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 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
  CAS-BOT-BC197986  Navarretia intertexta subsp. propinqua K. Paulson; Robert Paulson 1988-6-19 38 Modoc W of Cranby Bridge. 1310 Comment
  CDA13460  Navarretia intertexta subsp. propinqua G. F. Hrusa, T. D. Wilfred 1996-7-21 13307 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  SJSU9537  Navarretia intertexta subsp. propinqua W. Savage 1979-7-3 1276 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1106905  Navarretia intertexta subsp. propinqua Herbert L. Mason 1947-7-10 13331 Modoc 2 air mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC197972  Navarretia leucocephala subsp. leucocephala Bruce Bartholomew 1991-6-23 5882 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  CAS-BOT-BC197959  Navarretia leucocephala subsp. minima K. Paulson; Robert Paulson 1989-7-2 158 Modoc Vicinity of Craig Spring, ca. 2 mi. NE of Happy Camp. 1447 Comment
  CAS-BOT-BC197962  Navarretia leucocephala subsp. minima Bruce Bartholomew 1989-7-14 4957 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CHSC85115  Navarretia leucocephala subsp. minima John Dittes; Josephine Guardino 1991-7-21 424 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
  UC856840  Navarretia leucocephala subsp. minima Lewis S. Rose 1940-6-14 40571 Modoc 8 mi nw Canby 1524 Comment
  SJSU9533  Navarretia leucocephala subsp. minima W. Savage 1979-6-20 1270 Modoc S margin of Bottle Cr Reservoir, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UCD37473  Navarretia modocensis Beecher Crampton 1960-6-17 5696 Modoc Modoc County, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station, McKay Flat. 1280 Comment
  RSA148668  Navarretia sinistra Clare B. Hardham 1961-6-19 7819 -A Modoc Willow Creek. Warner Mountains. Comment
  CHSC111104  Navarretia tagetina Lowell Ahart; John Dittes 2012-7-12 18370 Modoc North edge of Ash Creek, south of the gravil 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) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC179309  Nemophila breviflora Bruce Bartholomew 1992-5-15 6311 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  CAS-BOT-BC179299  Nemophila parviflora var. austiniae Bruce Bartholomew 1991-5-23 5689 Modoc 0.5 km E of Day on County Rd. 94. 1050 Comment
  UC67084  Nemophila pedunculata Mrs. M. H. Manning 1903-8 Modoc Warner Range 1828 Comment
  UC20411  Neoholmgrenia andina Mrs. R. M. Austin June, 1894 Modoc Goose Lake Valley Comment
  SEINET3994854  Neoholmgrenia andina M. J. Williams 1984-7-1 84- 87 -4 Modoc NW of Alturas, Crowder Flat road, near the Big Sage Reservoir 1372 Comment
  HSC65549  Nepeta cataria Thomas Wood 1979-8-8 200 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  CAS-BOT-BC376599  Nicotiana acuminata var. multiflora Andrew Townesmith; Karen M. Meyer 2007-9-15 934 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195 1948 Comment
  CHSC34509  Nicotiana attenuata J. D. Prouty 1980-8-9 1148 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  UC26154  Nicotiana attenuata Mrs. R. M. Austin Aug 1894 Modoc n of Alturas (Pit River); Pit River Comment
  CAS-BOT-BC349918  Nothocalais troximoides B. Bartholomew; M. Bourell 1990-4-27 5177 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass 1540 Comment
  CAS-BOT-BC190811  Oenothera deltoides subsp. piperi Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 27 -5 Modoc Hwy 0.4 mi E of Susanville road after turn to Alturas. Comment
  NY998650  Oenothera deltoides var. piperi B. M. Bartholomew 1989-6-2 4836 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  UC71870  Oenothera elata subsp. hirsutissima Mrs. M. H. Manning 1904-7 209 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  NY998814  Oenothera flava K. Paulson 1989-6-21 142 Modoc Vicinity of South Fork of Pine Creek, west side of the Warner Mountains 1884 Comment
  UC117100  Olsynium douglasii var. douglasii Mrs. R. M. Austin May 1894 11 Modoc Goose Lake Val. Comment
  CAS-BOT-BC50376  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1958-7-9 900 -58 Modoc Alturas. Comment
  CAS-BOT-BC50377  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1958-7-9 900 -58 Modoc Alturas. Comment
  CAS-BOT-BC190798  Orobanche corymbosa Bruce Bartholomew 1994-7-1 6745 Modoc 7.6 km NW of County Road 91 between Lookout and Lookout Jct. on County road 93. 1280 Comment
  UC35317  Orobanche fasciculata Mrs. Bruce 1898-1 Modoc (No location given). Comment
  RSA59720  Orobanche uniflora E. K. Balls 1950-5-18 14756 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 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-BC232323  Orthocarpus cuspidatus subsp. copelandii Louis Cutter Wheeler 1935-8-2 3751 Modoc Twenty Mile Creek, Warner Mountains 2225 Comment
  CHSC70481  Orthocarpus cuspidatus subsp. cryptanthus A. Sanger 1996-7-12 2409 Modoc S of Paynes Peak, in bench below tower. 2182 Comment
  JEPS77515  Orthocarpus cuspidatus subsp. cryptanthus L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4992 Modoc Cedar Pass; Warner Mts., Cedar Pass 1920 Comment
  RSA44249B  Orthocarpus hispidus R. M. Austin 1895-07 537 Modoc Goose Lake Valley. Comment
  RSA537508  Orthocarpus hispidus Barbara Ertter 1988-6-18 7623 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat'l Monument E of Tonesta. 1311 Comment
  CAS-BOT-BC15750  Osmorhiza occidentalis K. Paulson; Robert Paulson 1988-6-19 49 Modoc Happy Camp Guard Station. 1554 Comment
  HSC80790  Osmorhiza occidentalis G. M. Riegel 1979-7-5 500 Modoc S Warner Mtns. 2100 Comment
  UC748464  Osmorhiza occidentalis Annie M. Alexander and Louise Kellogg 1946-7-11 4962 Modoc w Eight Mile Creek (ne corner of county) Comment
  UC748242  Osmorhiza occidentalis Annie M. Alexander and Louise Kellogg 1946-7-31 5101 Modoc Eagle Peak Warner Mountains (s slope) 2438 Comment
  CAS-BOT-BC50302  Packera cana Annie Montague Alexander; L. Kellogg 1946-6-17 4784 Modoc Cedar Pass road. 1767 Comment
  UC1037314  Packera cana Leo Whitney 1934-6-5 1843 Modoc ca 14 mi n Whitehorse; Modoc National Forest 1219 Comment
  SEINET11744641 Image available Packera eurycephala M. J. Williams 1984-6-30 84- 83 -1 Modoc 16.3 mi on Parker Creek road, paved road to Cedar Pass road 1.5 mi 1524 Comment
  CAS-BOT-BC316873  Packera eurycephala var. eurycephala R. M. Austin 1894-7-1 s.n. Modoc Goose Lake Valley 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
  CAS-BOT-BC190773  Paeonia brownii K. Paulson; Robert Paulson 1988-6-11 36 Modoc W bank of Stough Reservoir, Warner Mts.. 1524 Comment
  HSC81026  Paeonia brownii G. M. Riegel 1980-8-9 1027 Modoc S Warner Mtns. 2100 Comment
  UC748209  Paeonia brownii Annie M. Alexander and Louise Kellogg 1946-6-15 4778 Modoc Deep Creek 2164 Comment
  RSA99680  Paeonia brownii W. A. Weber 1953-5-14 8372 Modoc West end of Jess Valley 10 miles east of Likely 1433 Comment
  POM126423  Paxistima myrsinites Franklin P. Nutting s.n. Modoc Near Forestdale. Comment
  UC1586903  Pectiantia pentandra Juha Pykala and D. H. Norris 1987-5-28 1262 Modoc 3-4 mi w Lake City (by a little stream that runs to Mill Creek); Modoc National Forest, Warner Mountains, Lake City Canyon 1800 Comment
  SJSU8395  Pectiantia pentandra H. L. Buckalew 1961-7-5 Modoc Soldier Cr on flank of Bald Mt, Warner Mts Comment
  CAS-BOT-BC232314  Pedicularis attollens Robert Patterson; Mona Bourell 1993-8-14 5216 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  JEPS28992  Pedicularis attollens Frances D. Payne 1931-6-12 153 Modoc Parker Creek; Warner Mountains 1584 Comment
  JEPS28985  Pedicularis groenlandica Frances D. Payne 1929-7-7 66 Modoc Pine Creek Basin; Warner Mountains 2316 Comment
  CAS-BOT-BC232302  Pedicularis groenlandica subsp. surrecta Bruce Bartholomew 1995-7-31 7114 Modoc Upper reaches of Goose Creek, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC232348  Penstemon davidsonii var. davidsonii Francis Dorris Payne 1929-7-26 s.n. Modoc Mt. Warren, Warner Mountains Comment
  UC573267  Penstemon deustus M. H. Mitchell 1936-5-21 49 Modoc 2 mi SE Hospital Rock; Modoc Lava Beds Natl. Mon., Dorris Quadrangle 1249 Comment
  CAS-BOT-BC232333  Penstemon deustus var. pedicellatus Bruce Bartholomew; Barrett Anderson 1989-6-3 4858 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  CAS-BOT-BC232369  Penstemon deustus var. pedicellatus Bruce Bartholomew 1990-6-15 5223 Modoc SW side of Deer Spring Ridge near the border with Lasson Co. 1720 Comment
  JEPS11229  Penstemon deustus var. pedicellatus Milo S. Baker 1894-1 Modoc Egg Lake Comment
  CAS-BOT-BC245533  Penstemon gracilentus Frederick H. Frost 1925-7-25 156 Modoc Eagle Peak, Warner Mountains Comment
  UC1594759  Penstemon gracilentus David Charlet 1989-8-15 512 Modoc 1.3 km nw Eagle Peak (Upper Slide Creek, South Warner Mountains); South Warner Mountains, nw of Eagle Pk, Upper Slide Creek 2549 Comment
  UC711891  Penstemon gracilentus Roxana S. Ferris and Laura Lorraine 1941-8-13 10520 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest, East Creek drng (Modoc National Forest, Warner Mountains) 2164 Comment
  RSA504843  Penstemon gracilentus Bruce Bartholomew, B. Anderson 1988-7-21 4472 Modoc Vicinity of Patterson Campground, Southern end of the Warner Mountains. 668 Comment
  RSA149144  Penstemon humilis I. L. Wiggins, Dorothy Wiggins 1961-6-15 16503 Modoc 22 mi. W of Canby, along Highway 139 Comment
  CAS-BOT-BC245523  Penstemon humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16496 Modoc SE flank of Glass Mt., near Modoc-Siskiyou county line. Comment
  CAS-BOT-BC245514  Penstemon laetus var. sagittatus Bruce Bartholomew 1995-6-24 7018 Modoc 4.2 km E of County Road 114 on County Road 108. 1360 Comment
  NY604572  Penstemon laetus var. sagittatus B. M. Bartholomew 1995-6-24 7018 Modoc 4.2 km east of County Road 114 on County Road 108. 1360 Comment
  RSA78969  Penstemon laetus var. sagittatus E. K. Balls, Percy C. Everett 1952-10-11 18167 Modoc 6.7 mi W of turn off Hwy 139 on road to Pumice Pits at E edge of Glass Flow. 1280 Comment
  CAS-BOT-BC232506  Penstemon roezlii C. C. (Mrs.) Bruce 1898-7-1 2861 Modoc unspecified Comment
  CAS-BOT-BC232511  Penstemon roezlii Margaret J. Williams 1988-5-30 88- 26 -7 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC245569  Penstemon roezlii K. Paulson; Robert Paulson 1988-6-11 20 Modoc Barnes Graden, Crowser Flat Rd to Devil's Garden. 1432 Comment
  NY641736  Penstemon roezlii K. A. Vincent 1987-7-2 4446 Modoc Warner Range; along north side of CA 299 just west of Cedar Pass, ca. 9.9 miles east-northeast of jct. US 395, ca. 12 air miles northeast of Alturas 1920.2 Comment
  RSA27979  Penstemon roezlii C. Leo Hitchcock 1940-5-27 6651 Modoc 9 miles northeast of Alturas. 1402 Comment
  SEINET188331  Penstemon roezlii C. L. Hitchcock 1940-5-28 6719 Modoc 15 mi N 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
  JEPS27802  Penstemon roezlii Frances D. Payne 1929-6-28 29 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  POM319335  Penstemon roezlii Patricia Wilder 1971-6-20 5097 Modoc Lookout-White Horse Rd., about 3 mi. west of Lookout; north of Bieber and California State Hiway 299. Pit River Drainage, Cascades Mt. Range. 1372 Comment
  UC619260  Penstemon roezlii J. and H. W. Grinnell 1938-6-16 1108 Modoc Cedar Pass summit Warner Mountains, Cedar Pass summit 1935 Comment
  UC725543  Penstemon roezlii A. A. Heller 1941-6-26 16225 Modoc on State Hwy 299 seven mi w Canby; w of Canby Comment
  CAS-BOT-BC245485  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  CAS-BOT-BC245493  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  CAS-BOT-BC245502  Penstemon rydbergii var. oreocharis John Thomas Howell 1934-6-12 12022 Modoc Plum Valley. Comment
  HSC20991  Penstemon rydbergii var. oreocharis M. T. Milligan 1966-7-3 529 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  UC748181  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-12 4728 Modoc Fort Bidwell Fort Bidwell (in meadow) 1444 Comment
  CAS-BOT-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-BC245552  Penstemon speciosus Gordon H. True 1964-6-3 1443 Modoc Near Cedar Pass. 1524 Comment
  NY660808  Penstemon speciosus N. H. Holmgren 1978-6-8 8879 Modoc U.S. Highway 395, 9.5 km (5.9 miles) north of Davis Creek 1490 Comment
  HSC21058  Penstemon speciosus M. T. Milligan 1964-7-1 128 Modoc 6 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  NY661015  Penstemon speciosus R. M. Austin 06 1898 3360 Modoc Comment
  RSA59600  Penstemon speciosus Verne Grant, Alva Grant 1950-7-14 8947 Modoc On north flank of Cedar Mt, Warner Mtns. 2195 Comment
  UC27471  Penstemon speciosus Mrs. R. M. Austin and Bruce June 1898 2360 Modoc Hillside Comment
  NY661804  Penstemon sudans M. J. Williams 1988-5-30 8826- 13 Modoc Jess Valley, east of Likely, south of roadside rest 1524.0 Comment
  CAS-BOT-BC214725  Peraphyllum ramosissimum Bruce Bartholomew; Barrett Anderson 1988-5-13 4140 Modoc N side of Dorris Reservoir, ca. 4 km E of Alturas along Parker Creek Road. 1340 Comment
  JEPS44658  Peraphyllum ramosissimum Frances D. Payne 1932-6-19 557 Modoc 10 mi s Alturas (on road to Likely, Parker Creek); Warner Mountains Comment
  CAS-BOT-BC15711  Perideridia bolanderi subsp. bolanderi R. K. Gierisch; D. H. Esplin 1969-7-15 3542 Modoc Modoc County. 1524 Comment
  SEINET11142106  Perideridia bolanderi subsp. bolanderi M. J. Williams 1983-7-29 83- 116 -10 Modoc Warner Mountains, 1.1 miles N of Stowe Reservoir Campground, N of Cedar Pass. 2088 Comment
  SEINET194803  Perideridia lemmonii A. A. Heller 1941-6-25 16208 Modoc South of Big Sage Reservoir NW of Alturas. Comment
  CAS-BOT-BC15716  Perideridia oregana Alice Eastwood; John Thomas Howell 1940-6-15 8295 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC15717  Perideridia oregana Leland S. Smith 1922-6-5 1248 Modoc Stone Coal Valley. 1310 Comment
  UC1389996  Perideridia oregana T. I. Chuang and F. Gleason 1963-8-23 5926 Modoc about 5 mi w Alturas Comment
  UC1390004  Perideridia oregana A. S. Barclay, R. D. Barbee, K. E. Blum and S. D. Koch 1962-7-19 1399 Modoc on US Hwy 395 18 mi n Alturas 1371 Comment
  UC726878  Perideridia oregana A. A. Heller 1941-6-25 16208 Modoc plateau s Big Sage Reservoir (nw of Alturas) Comment
  CAS-BOT-BC95154  Peritoma platycarpa Edward Kent Balls; Percy C. Everett 1952-10-10 18146 Modoc 2.4 mi E of Likely along road to Jess Valley. 1402 Comment
  CHSC109677  Persicaria amphibia Lowell Ahart; John Dittes 2012-7-10 18327 Modoc On the drying north side of the drainage, east of the fence, northwest 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. 1266 Comment
  CHSC116077  Persicaria lapathifolia Lowell Ahart; John Dittes 2015-7-16 20174 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS127289  Persicaria lapathifolia Lowell Ahart, John Dittes 2016-7-14 21189 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
  UC1051788  Phacelia L. R. Heckard 1952-6-19 316 Modoc along Hwy 395 about 7 mi n Alturas 1341 Comment
  UC735086  Phacelia Lincoln Constance 1946-7-4 3106 Modoc 1.5 mi below summit; Warner Mountains, Deep Creek 1981 Comment
  RSA181790  Phacelia adenophora H. N. Metcalf, J. C. Wilson 1965-7-1 65 -21 Modoc Davis Creek. Comment
  UC192181  Phacelia glandulifera J. G. Lemmon 2 Modoc Surprise Val. Comment
  JEPS81022  Phacelia hastata subsp. compacta J. P. Smith and J. O. Sawyer 1973-8-8 7239 Modoc s slopes of peak Eagle Peak 2560 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-BC180008  Phacelia heterophylla subsp. virgata Bruce Bartholomew; Barrett Anderson 1989-6-3 4900 Modoc ca. 8 km WNW of Long Bell Ranger Station. 1350 Comment
  CAS-BOT-BC180021  Phacelia heterophylla subsp. virgata John Thomas Howell 1934-6-13 12061 Modoc Fandango Pass. 1828 Comment
  JEPS4035  Phacelia heterophylla subsp. virgata Frances D. Payne 1929-6-22 18 Modoc s and e Alturas; Warner Mountains, Parker Creek Comment
  RSA83303  Phacelia heterophylla subsp. virgata Verne Grant, Alva Grant 1947-7-13 8016 Modoc Fandango Pass, Warner Mountains. Comment
  JEPS2125  Phacelia humilis Mrs. M. H. Manning 1907-1 420 Modoc 12 Mile Creek Mt. Bidwell (e side of mt., ne Modoc Co.) Comment
  UC1191850  Phacelia humilis Herbert L. Mason 1948-7-18 13620 Modoc Cedar Pass Warner Mountains Comment
  UC1586866  Phacelia humilis Juha Pykala and D. H. Norris 1987-5-28 1198 Modoc n slope near Thoms Creek; Modoc National Forest, Cedar Pass Campground 1780 Comment
  HSC24863  Phacelia humilis Richard Spjut 1970-7-20 851 Modoc At Cedar Flat Campground, 10 mi. W of Cedarville along Hwy. 299 1829 Comment
  CAS-BOT-BC179977  Phacelia humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16406 Modoc Cedar Pass Campground, 3 mi. E of Thoms Creek Bridge. Comment
  RSA152451  Phacelia humilis var. humilis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16416 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1936 Comment
  CAS-BOT-BC179967  Phacelia inundata John Thomas Howell 1934-7-2 12357 Modoc E side of Clear Lake. Comment
  RSA502328  Phacelia inundata D. W. Taylor, G. Clifton, R. Palmer 1987-8-9 9271 Modoc Dry Lake; T44N R6E S5 1341 Comment
  NY1055158  Phacelia ivesiana B. M. Bartholomew 1989-6-2 4815 Modoc Sand dunes at the southeast corner of Upper Alkali Lake, east side of Surprise Valley 1400 Comment
  CAS-BOT-BC179953  Phacelia linearis Bruce Bartholomew; Barrett Anderson 1989-6-1 4736 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  HSC30191  Phacelia linearis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19376 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  JEPS4040  Phacelia linearis Frances D. Payne 1929-6-22 17 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  OBI48671  Phacelia linearis Lewis S. Rose 1940-6-14 40584 Modoc Mammoth Cave, 5 mi W of Perez 1280 Comment
  CAS-BOT-BC179941  Phacelia mutabilis Lawrence Ray Heckard 1952-6-19 312 A Modoc Just below summit of Fandango Pass. 1828 Comment
  SBBG22443  Phacelia mutabilis H. and M. Dearing 1939-6-8 3598 Modoc Pine Cyn, Warner Mtns Comment
  JEPS1163  Phacelia mutabilis L. S. Smith 1918-8-18 1044 Modoc ridge n Bear Mt.; Modoc <National> Forest, Warner Mts. 2682 Comment
  SEINET5506815  Phacelia purpusii M. J. Williams 1968-6-1 s.n. Modoc Warner Mountains, Cedar Pass 1920 Comment
  CAS-BOT-BC179932  Phacelia ramosissima var. eremophila Clare Butterworth Hardham 1961-6-20 7872 Modoc Pine Creek Canyon. 1676 Comment
  UC748439  Phacelia ramosissima var. ramosissima Annie M. Alexander and Louise Kellogg 1946-7-7 4943 Modoc ne corner of county Eight Mile Creek 1752 Comment
  POM260898  Phacelia ramosissima var. ramosissima Alice Eastwood, J. T. Howell 1940-6-13 8116 Modoc Surprise Comment
  POM127617  Phacelia sericea M. French Gilman 606 Modoc [No location information on label.] 2134 Comment
  NY1056750  Phacelia tetramera B. M. Bartholomew 1995-5-13 6903 Modoc East of Eagleville near Eagleville Airport, south end of Surprize Valley 1390 Comment
  CAS-BOT-BC179910  Phacelia thermalis John Thomas Howell 1934-6-30 12270 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC179915  Phacelia thermalis Annie Montague Alexander; L. Kellogg 1946-6-10 4712 Modoc Shore of Snake Lake. Comment
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Jul 12 2019
  UC1304164  Phacelia thermalis Edward J. O'Neill 1962-6-22 360 Modoc U-peninsula Klamath Basin National Wildlife Refuges, Clear Lake Refuge 1249 Comment
  UC726937  Phacelia thermalis A. A. Heller 1941-6-26 16220 Modoc three mi w Canby (along hwy) Comment
  CAS-BOT-BC247554  Phalaris angusta Bruce Bartholomew; Barrett Anderson 1990-7-20 5470 Modoc 5 km N of Buck Creek Ranger Station, W W side of Warner Mts. 1900 Comment
  CHSC113064  Phalaris arundinacea Lowell Ahart; John Dittes 2013-7-24 18925 Modoc On the north side 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. 1262 Comment
  UC1037187  Phalaris arundinacea Leo Whitney 1935-7-2 3565 Modoc Alturas 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
  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
  HSC17158  Phlox diffusa M. T. Milligan 1965-7-5 414 Modoc Ridges E of Jess Valley. 1829 Comment
  UC71717  Phlox diffusa Mrs. M. H. Manning 1903-8-27 103 Modoc Mt. Bidwell, ne Modoc County Mt. Bidwell Comment
  UC449711  Phlox diffusa Mrs. R. M. Austin 125 Modoc New Pine Creek Comment
  CAS-BOT-BC197925  Phlox douglasii subsp. rigida Roxana Stinchfield Ferris; R. Duthie 1919-6-14 66 Modoc Above Parker Creek, Modoc National Forest boundary. Comment
  CAS-BOT-BC197937  Phlox douglasii subsp. rigida Elmer Ivan Applegate 1932-8-1 8009 Modoc Arid summit of Warner Mts. just S of Warren Peak. Comment
  JEPS48582  Phlox douglasii subsp. rigida L. S. Smith 1924-5-23 267 Modoc near Egg Lake Comment
  UCR66592  Phlox douglasii subsp. rigida Christopher Davidson 1975-6-4 2604 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of hwy 395 1500 Comment
  CAS-BOT-BC197920  Phlox douglasii subsp. rigida Gordon H. True 1964-6-3 1437 Modoc South Fork Pit River between Alturas and Goose Lake. 1432 Comment
  RSA60320  Phlox douglasii subsp. rigida E. K. Balls 1950-5-10 15959 Modoc Hwy 395, 0.5 mile before jct, 5.5 miles NE of Alturas. 1524 Comment
  UC23588  Phlox gracilis Mrs. C. C. Bruce Jun 1898 2199 Modoc Goose Lake valley Comment
  CAS-BOT-BC197891  Phlox hoodii subsp. canescens Leland S. Smith 1917-7-2 73 Modoc Warren Mt. 2133 Comment
  CAS-BOT-BC197886  Phlox hoodii subsp. canescens Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-30 5987 Modoc Mesa S of Alturas. 1371 Comment
  UC23906  Phlox hoodii subsp. canescens Mrs. C. C. Bruce Jun 1898 2329 Modoc Warner Mts. 2438 Comment
  HSC17189  Phlox hoodii subsp. lanata M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir Comment
  HSC75911  Phlox rigida D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19407 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CAS-BOT-BC197862  Phlox stansburyi Bruce Bartholomew; Barrett Anderson 1989-4-28 4646 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 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
  CAS-BOT-BC58315  Phoenicaulis cheiranthoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6507 Modoc Fletcher Creek near crossing by Crowder Flat Road. 1600 Comment
  CAS-BOT-BC58584  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 mi. NE of Alturas. 1615 Comment
  JEPS90372  Phoenicaulis cheiranthoides Dean W. Taylor 1992-5-8 12559 Modoc ca. 0.5 mi e Moonlite Mines ((Mt. Bidwell 7 1/2' USGS quadrangle, 1990 edition)); Warner Mountains, Mt. Bidwell 2432 Comment
  NY182050  Phoenicaulis cheiranthoides B. M. Bartholomew 1988-5-13 4159 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mountains. Comment
  RSA195450  Phoenicaulis cheiranthoides Elmer I. Applegate 1937-5-13 11088 Modoc Lava Beds National Monument. Gillam Bluff. Comment
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Apr 23 2013
  UCD116138  Phoenicaulis cheiranthoides Alan A. Beetle 1941-6-29 2831 Modoc Near summit of Cedarville Pass. 2118 Comment
  POM94707  Phoenicaulis cheiranthoides Mrs. R. M. Austin 1895-05 8 Modoc Goose Lake Valley Comment
  CAS-BOT-BC247591  Phragmites australis Bruce Bartholomew 1994-10-9 6886 Modoc Just N of Lassen County on road to Eagleville, S end of Surprise Valley. 1370 Comment
  CHSC112775  Pilularia americana Lowell Ahart; John Dittes 2013-7-24 18924 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CAS-BOT-BC478167  Pinus albicaulis John Thomas Howell 1934-6-14 12109 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  CAS-BOT-BC73413  Pinus albicaulis Elmer I. Applegate 1932-7-7 8220 Modoc Top of Yellow Mt., near Lily Lake, Warner Mountains. 2 miles s. of Oregon line. 2438 Comment
  CAS-BOT-BC73242  Pinus contorta subsp. murrayana Elmer I. Applegate 1932-7-7 8221 Modoc Summit of Yellow Mountain, near Lily Lake, Bidwell Pass, Warner Mts. 2438 Comment
  UC71854  Pinus lambertiana Mrs. M. H. Manning 1902-10-26 32 Modoc Warner Mts. 2133 Comment
  CAS-BOT-BC30154  Pinus monticola Belknap C. Goldsmith 1910-8-11 20 Modoc Summit, Warner Mts. 2316 Comment
  CAS-BOT-BC73022  Pinus monticola A. D. Borden 1911-6-15 s.n. Modoc Davis Creek 2072 Comment
  CAS-BOT-BC79039  Pinus ponderosa Roxana S. Ferris; Rena Duthie 1919-6-13 130 Modoc Parker Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC80048  Pinus washoensis B. Bartholomew 1990-8-5 5664 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2400 Comment
  NY63476  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
  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
  CHSC107381  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2011-6-22 17540 Modoc On the west side of the road, about 50 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
  UC78162  Plagiobothrys mollis Mrs. R. M. Austin July 1887 Modoc below Alturas; banks Pit River Comment
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Mar 11 2012
  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-BC58738  Plagiobothrys scouleri John Thomas Howell 1934-6-12 12034 Modoc Plum Valley, Warner Mountains Comment
  CAS-BOT-BC58744  Plagiobothrys scouleri John Thomas Howell 1934-6-15 12186 Modoc Alturas. Comment
  CAS-BOT-BC58751  Plagiobothrys scouleri John Thomas Howell 1934-6-13 12093 Modoc 2.5 mi S of Eagleville. Comment
  CAS-BOT-BC58756  Plagiobothrys scouleri John Thomas Howell 1934-6-11 11912 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC58757  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-14 8220 Modoc 8 mi. NW of Canby. Comment
  UC1191859  Plagiobothrys stipitatus var. micranthus Malcolm A. Nobs and S. Galen Smith 1949-6-16 790 Modoc 33 mi nnw Alturas; Dry Valley Reservoir Comment
  CAS-BOT-BC58771  Plagiobothrys tenellus Bruce Bartholomew; Barrett Anderson 1989-6-3 4918 Modoc 9 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  CAS-BOT-BC242217  Platanthera dilatata var. leucostachys R. M. Austin 1895-7-1 488 Modoc Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC242222  Platanthera hyperborea R. M. Austin 1885-8-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information 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
  CHSC116342  Platanthera leucostachys J. R. Keck Jr. 1985-7-11 PDR 330134 Modoc Davis Creek, Modoc National Forest. 1982 Comment
  POM107743  Platanthera stricta Mrs. R. M. Austin 1895-07 s.n. Modoc Davis Creek Comment
  UC1586854  Platanthera stricta Juha Pykala and D. H. Norris 1987-5-28 1263 Modoc ca. 3-4 mi w Lake City (Lake City Canyon, by a little stream that runs to Mill Creek); Warner Mountains, Modoc National Forest 1798 Comment
  CAS-BOT-BC136650  Platanthera stricta L. S. Smith 1918-6-22 943 Modoc Field redacted by CAS, contact the data manager for more information 2286 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
  CHSC85136  Plectritis macrocera John Dittes; Josephine Guardino 1991-6-1 350 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
  HSC21688  Plectritis macrocera M. T. Milligan 1965-7-1 406 Modoc Plateau W of Jess Valley. 1829 Comment
  JEPS127578  Plectritis macrocera L. P. Janeway 2016-5-16 11984 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km of Road 181/73/47N09. McGinty Reservoir 7.5' Quad. Comment
  HSC21689  Plectritis macrocera M. T. Milligan 1965-6-27 357 Modoc E slope of eroded volcanic plateau. 1677 Comment
  RSA433740  Plectritis macrocera subsp. grayi Christopher Davidson 1975-6-4 2597 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  RSA59874  Plectritis macrocera subsp. grayi E. K. Balls 1950-5-10 14605 Modoc Menlo Baths, west shore Lower Lake. 1448 Comment
  UCD149781  Poa X limosa William Anderson 1965-6-5 s.n. Modoc Likely. Comment
  SBBG664  Poa annua A. A. Beetle 1941-6-29 2832 Modoc near summit of Cedar (Cedarville) Pass 2118 Comment
  SEINET201657 Image available Poa canbyi Unknown 1959-6-19 8491 Modoc At Clear Lake; Warner Mts. 15 miles east of Likely . 1769 Comment
  UC1024971  Poa cusickii subsp. cusickii Leo Whitney 1935-7-6 3434 Modoc near Lookout Pit River Comment
  HSC80832  Poa cusickii subsp. epilis G. M. Riegel 1979-7-14 546 Modoc 1739 Comment
  UCD32721  Poa palustris Beecher Crampton 1954-7-7 2159 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UC1025064  Poa pratensis subsp. pratensis Leo Whitney 1935-7-21 3562 Modoc 15 mi w Canby (Happy Camp); Modoc Nat'l Forest 1463 Comment
  SEINET220207 Image available Poa sandbergii Jack L. Reveal 1976-6-2 1840 Modoc Modoc National Forest; Modoc Nat. forest near Perez, 1274 Comment
  UCD90461  Poa secunda E. Wilson 1935-5-14 s.n. Modoc E side of Cedar Pass. Comment
  UCD92163  Poa secunda subsp. juncifolia J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  UCD92167  Poa secunda subsp. juncifolia Beecher Crampton; Carl Rimbey 1954-7-7 2126 Modoc Alturas. Comment
  UCD92436  Poa secunda subsp. juncifolia L. Whitney 1935-6-29 s.n. Modoc Alturas. Comment
  CAS-BOT-BC247601  Poa secunda subsp. secunda Bruce Bartholomew; Barrett Anderson 1989-4-28 4658 Modoc 9 km N of State Highway 299 and ca 1.5 km SE Raker & Thomas Reservoir. 1500 Comment
  CAS-BOT-BC247666  Poa secunda subsp. secunda James D. Jokerst 1983-5-31 1804 Modoc Near Signal Butte. 1340 Comment
  HSC9776  Poa secunda subsp. secunda M. T. Milligan 1964-7-25 170 Modoc Pine Creek Basin, along trail. 2439 Comment
  JEPS127211  Poa secunda subsp. secunda Lowell Ahart, John Dittes 2016-6-6 20940 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  UC1024931  Poa secunda subsp. secunda Leo Whitney 1935-6-29 3346 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  UCD92095  Poa secunda subsp. secunda L. Whitney 1935-5-26 3156 b Modoc Ash Creek, 10 miles E of Adin. Comment
  UCD91572  Poa wheeleri Beecher Crampton; Carl W. Rimbey 1954-7-6 2102 Modoc slope above Shields Creek, 20 miles east of Alturas. Warner Mountains. Comment
  CAS-BOT-BC179354  Pogogyne floribunda Bruce Bartholomew 1991-8-4 6021 Modoc 3.2 km S of Drift Fence Tank on road to Mud Lake. 1580 Comment
  CHSC67512  Pogogyne floribunda J. D. Jokerst 1990-7-31 3204 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), about 2 miles SE of Doublehead Mountain and 300 meters SE of the USFS dirt road that passes near E edge of lake at the line separating Sections 13 and 14. 1371 Comment
  CHSC67515  Pogogyne floribunda J. D. Jokerst 1987-6-23 2932 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake). W of Dirt Road about 1.3 miles SE of Doublehead Lake and 2/3 mile NW of Lone Pine Lake. Comment
  CHSC67517  Pogogyne floribunda J. D. Jokerst 1987-7-13 2945 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), west of Sector 4 of the Air Force Backscatter Radar Site. About 3 miles S of Doublehead Mountain. Comment
  CAS-BOT-BC197859  Polemonium micranthum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6474 Modoc 1.9 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1670 Comment
  UC907837  Polemonium micranthum John Chattin, Dan Tillotson 1947-5-7 40 Modoc Alturas Comment
  RSA26474  Polyctenium fremontii Alice Eastwood, JT Howell 1940-6-15 8275 Modoc Near Perez Comment
  UC1563901  Polyctenium fremontii Barbara Ertter 1988-6-18 7617 Modoc 1 mi s of s junction to Lava Beds National Monument (e of Tonesta, Highway 139 ca 50 airmi sw of Klamath Falls, a few mi n of Agric. Inspection Station); e of Tonesta, s of s jct to Lava Beds National Monument 1310 Comment
  CAS-BOT-BC58321  Polyctenium fremontii var. fremontii Bruce Bartholomew 1991-5-24 5739 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  JEPS49470  Polygonum Louis C. Wheeler 1935-8-25 3919 Modoc Rim Rock Valley Reservoir, Devil's Garden, Mt. Diablo Mer. Devil's Garden; Rim Rock Valley Reservoir, Devil's Garden 1524 Comment
  UC1332133  Polygonum Alice Eastwood, John Thomas Howell 1940-6-14 Modoc 8 mi nw of Canby Comment
  POM312903  Polygonum aviculare Verne Grant, Irving Schneider 1947-7-18 8043 Modoc E side Canal, 5 miles N of Bayley's bridge, S of Alturas. Comment
  UC1112254  Polygonum aviculare subsp. buxiforme R. C. Bacigalupi with S. Galen Smith 1957-6-28 5984 Modoc depression along Hwy 299 4.2 w junction with Highway 395 at Alturas Comment
  UCD99952  Polygonum aviculare subsp. depressum R. C. Bacigalupi; S. Galen Smith 1957-6-28 5984 Modoc Along Highway 299, 4.2 miles west of junction with Highway 395 at Alturas. Comment
  CAS-BOT-BC218136  Polygonum douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC218144  Polygonum douglasii John Thomas Howell 1934-7-1 12317 Modoc Duncan Horse Camp. 1355 Comment
  JEPS121205  Polygonum douglasii Lowell Ahart, John Dittes 2013-7-25 18964 Modoc 30 yards N of the E-W fence, south edge of Ash Creek Floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air miles S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  UC466036  Polygonum douglasii subsp. austiniae Mrs. R. M. Austin Aug. 1894 280 Modoc Goose Lake Valley Comment
  JEPS49634  Polygonum douglasii subsp. douglasii Louis C. Wheeler 1935-8-6 3801 Modoc 1/2 mi s Pine Creek (town) 1493 Comment
  JEPS94840  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald and Lowell Ahart 1998-9-8 9590 Modoc County Road 93 adjacent to the Rail Road at Lookout Junction nw of Lookout; County Road 93 1280 Comment
  NY412807  Polygonum kelloggii var. kelloggii B. M. Bartholomew 1988-5-12 4097 Modoc White Horse 15' Quad. 1340 Comment
  CDA22824  Polygonum lapathifolium T. C. Fuller 1958-8-12 2070 Modoc Corporation Ranch, Likely. 0 Comment
  UC1971321  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 Modoc DEVILS GARDEN: Ca. 1/4 mile southwest of Big Sage Reservoir. 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
  UC1713245  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-7-6 14725 Modoc Rim Rock, west of Goose Lake Comment
  UCD77937  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-7-18 1411 Modoc Ca. 14 mi nw of Canby, on n side of Hwy 139, 0.5 mi w of Forest Service Rd 44N11. 1467 Comment
  CHSC67688  Polygonum polygaloides subsp. esotericum James D. Jokerst 1990-8-2 3211 A Modoc Hwy. 139 NW of Canby, ca. 300 m N of the road at the SE edge of a large dry lake, within the dry-down zone adjacent to a concrete overflow structure. Comment
  JEPS98246  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1404 Modoc 13 mi NW of Canby (along Hwy 139; ca 0.6 mi e of FSR 44N11) 1487 Comment
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Sep 13 2017
  UCD77934  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1408 Modoc Ca. 13 mi nw of Canby, along n side of Hwy 139, 500 ft w of Forest Service Rd 44N11. 1478 Comment
  CAS-BOT-BC218187  Polygonum polygaloides subsp. kelloggii Mrs. H. C. Cantelow 1940-6-2 4180 Modoc About 10 mi. NW of Canby, road to lava beds. Comment
  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
  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
  CDA13459  Polygonum spergulariiforme G. F. Hrusa, T. D. Wilfred 1996-7-21 13306 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC1024926  Polypogon monspeliensis Leo Whitney 1935-6-30 3352 Modoc Hackamore Lake Joaquina (ca 15 mi nw of Canby, Modoc National Forest); Modoc National Forest, , Hackamore 1463 Comment
  UC70666  Polypogon monspeliensis Mrs. M. H. Manning June 1903 402 Modoc north-eastern Modoc County Comment
  UCD91407  Polypogon monspeliensis L. Whitney 1935-7-17 3514 Modoc Modoc National Forest. Lake Joaquina, Hackamore, ca. 15 miles NW of Canby 1463 Comment
  CAS-BOT-BC225109  Populus trichocarpa Edward Kent Balls 1950-5-11 14610 Modoc West off Middle Lake, between Eagleville and Cedarville. 1432 Comment
  RSA59861  Populus trichocarpa E. K. Balls 1950-5-11 14610 Modoc W of Middle Lake. Between Eagleville and Cedarville. 1433 Comment
  UC1192035  Porterella carnosula Herbert L. Mason 1947-8-12 13502 a Modoc Alturas junction of North and South Forks of Pit River (junction of North and South Forks of Pit River) Comment
  RSA603999  Porterella carnosula L. C. Wheeler 1935-8-3 3756 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 Comment
  SEINET10460821  Porterella carnosula Mason 1947-8-12 Mason 13502 -a Modoc Comment
  UCD138231  Potamogeton foliosus Verne Grant; Irving Schneider 1947-7-29 8178 Modoc Fitzhugh Creek, near Payne Reservoir, south of Alturas. Comment
  CHSC110896  Potamogeton foliosus subsp. foliosus Lowell Ahart 2012-7-12 18359 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northest of Bieber, Big Valley. 1266 Comment
  UC431  Potamogeton natans Milo S. Baker 1893-6 Modoc Egg Lake Comment
  UC441345  Potamogeton nodosus Milo S. Baker 1899-8-24 Modoc in Pit River (at lookout) Comment
  CAS-BOT-BC242260  Potamogeton pectinatus Verne Grant; I. Schneider 1947-7-19 8085 Modoc S of Williams ranch house, N of Likely. Comment
  CAS-BOT-BC242270  Potamogeton richardsonii Robert Folger Thorne; C. W. Tilforth 1969-9-5 39179 Modoc South Fork of Pit River at bridge 3.8 mi. E of Likely. 1386 Comment
  CAS-BOT-BC242275  Potamogeton richardsonii Herbert Louis Mason; Verne Grant 1947-7-11 13380 Modoc Road from Likely to Jess Valley, ca. 1 mi. E of Likely. Comment
  POM313012  Potamogeton richardsonii Malcolm A. Nobs, S. Galen Smith 1949-7-22 1068 Modoc South Fork of Pit River, Likely. Comment
  RSA210803  Potamogeton richardsonii Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39128 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC1100094  Potamogeton richardsonii Malcolm A. Nobs, S. Galen Smith 1949-7-22 1068 Modoc South Fork of Pit River (Likely, in Pit River) Comment
  UC441353  Potamogeton striatus Milo S. Baker 1899-8-24 Modoc Pit R. at Lookout Comment
  CAS-BOT-BC242267  Potamogeton zosteriformis Verne Grant; I. Schneider 1947-7-18 8054 Modoc 1.4 mi. N of Bayley's bridge, S of Alturas. Comment
  UC1100088  Potamogeton zosteriformis Verne Grant, Irving Schneider 1947-7-18 8054 Modoc 1.4 mi n of Bayley's Bridge (s of Alturas) 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
  UC71672  Potentilla biennis Mrs. M. H. Manning 1902-10-21 Modoc northern slope of Fandango northern slope of Fandango (north-eastern Modoc County) Comment
  UC519032  Potentilla breweri Elmer I. Applegate 1932-8-1 8025 Modoc just s Warren Peak (high summit of the Warner Mountains); Warner Mountains, just s of Warren Peak Comment
  UC748057  Potentilla breweri Annie M. Alexander and Louise Kellogg 1946-8-3 5108 Modoc head of Eagle Creek Warner Mountains, Eagle Creek Comment
  RSA11804  Potentilla breweri var. breweri Elmer I. Applegate 1932-8-1 8025 Modoc Warner Mtns, near summit S of Warner Peak. Comment
  RSA504664  Potentilla bruceae Bruce Bartholomew, B. Anderson 1988-7-22 4543 -A Modoc Benton Meadow, Warner Mts. 2180 Comment
  UCR270416  Potentilla glandulosa John F. Emmel 2000-8-3 1683 Modoc Modoc Plateau, north end of the Warner Mountains, slope and meadow 0.6 air mile ESE of Moonlight Mines, on NW flank of Mt. Bidwell 2470 Comment
  HSC18783  Potentilla glaucophylla var. glaucophylla M. T. Milligan 1964-7-25 182 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC214791  Potentilla gracilis Annie Montague Alexander; L. Kellogg 1946-6-12 4732 Modoc Fort Bidwell. 1444 Comment
  SJSU9639  Potentilla gracilis W. Savage 1979-7-6 1394 Modoc Triangle, Antelope Plains Unit,Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC214786  Potentilla gracilis Milo Samuel Baker 1893-6-1 67 Modoc unspecified Comment
  JEPS47212  Potentilla gracilis var. fastigiata Frances D. Payne 1931-6-17 181 Modoc Parker Creek, Warner Mountains, south and east of Alturas. 1584 Comment
  JEPS86373  Potentilla gracilis var. fastigiata Jack and Betty Guggolz 1988-6-30 971 Modoc from a sparsely vegetated gravelly flat near the Old Canon Mill Road Comment
  UC1191495  Potentilla gracilis var. fastigiata Verne Grant, Irving Schneider 1947-7-19 8073 Modoc Williams Ranch: along Southern Pacific right-of-way near East Canal, in Pit Valley south Alturas. Comment
  POM33919  Potentilla gracilis var. flabelliformis R. M. Austin 1890-07 523 Modoc Goose Lake. Comment
  SEINET195486  Potentilla millefolia Annie M. Alexander, Louise Kellogg 1946-6-18 4799 Modoc Meadow, Silver Creek branch of Patterson Mill road 1829 Comment
  JEPS102296  Potentilla newberryi Steve Edwards 2002-7-14 Modoc Davil's Garden, E end of Big Sage Reservoir dam. Comment
  POM224087  Potentilla newberryi J. T. Howell 1934-7-2 12356 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  UC1191510  Potentilla newberryi Verne Grant, Irving Schneider 1947-8-27 8313 Modoc sw end Clear Lake; sw end of Clear Lake Comment
  UC1540168  Potentilla newberryi Dean W. Taylor 1987-8-9 9279 Modoc Northeastern California 1371 Comment
  UC545665  Potentilla newberryi John Thomas Howell 1934-7-2 12359 Modoc e side Clear Lake; e side of Clear Lake Comment
  CHSC117253  Potentilla rivalis Lowell Ahart; John Dittes 2016-7-14 21196 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC225024  Poteridium annuum K. Paulson; Robert Paulson 1988-6-19 42 Modoc W of Cranby Bridge. 1310 Comment
  CAS-BOT-BC225034  Poteridium annuum Bruce Bartholomew 1991-7-4 5899 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC214818  Prunus subcordata Elmer Ivan Applegate 1929-6-25 5906 Modoc Willow Ranch, E side of Goose Lake. Comment
  CHSC106334  Prunus subcordata Lowell Ahart; John Dittes 2010-8-30 17062 Modoc Around a large rock, near the homestead, about 100 yards east of the fence, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  NY849337  Prunus subcordata N. H. Holmgren 1998-5-30 12994 Modoc Surprise Valley, Fort Bidwell-Cedarville road, 1.8 km (1.1 mi) south of the Fandango Pass road and 31.2 km (19.4 mi) north of downtown Cedarville 1370 Comment
  UC1075726  Prunus subcordata Robert J. Weatherby 1955-7-8 1630 Modoc 6 mi N of Ft. Bidwell; Warner Mountains 1645 Comment
  UC62231  Prunus subcordata Mrs. M. H. Manning Sept. 1904 1 Modoc Alturas Comment
  UC711842  Prunus subcordata Roxana S. Ferris and Laura Lorraine 1941-8-14 10621 Modoc Summit of Fandago Pass (on road between Fort Bidwell and Pine Creek); Modoc National Forest, Warner Mountains 1889 Comment
  CAS-BOT-BC225005  Prunus virginiana var. demissa Bruce Bartholomew; Barrett Anderson 1989-6-1 4733 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC225007  Prunus virginiana var. demissa M. M. Hanna 1956-6-5 977 Modoc Cedar Pass. Comment
  JEPS44920  Prunus virginiana var. demissa L. S. Smith 1919-6-2 1113 Modoc Deep Creek Railroad Station; Warner Mountains, Deep Creek Railroad Station 1524 Comment
  UCD113532  Prunus virginiana var. demissa Donald Myrick 1968-6-20 1974 Modoc Cedar Pass, Highway 299, 20 miles east of Alturas. 1828 Comment
  RSA149070  Prunus virginiana var. melanocarpa I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16400 Modoc Roadside above Thoms Creek. 6.1 miles E of California State Highway 299. Along Cedar Pass Rd. Comment
  UC177005  Pseudobahia heermannii Mrs. R. M. Austin June 1885 Modoc Goose Lake Valley Comment
Read comments
May 28 2006
  CAS-BOT-BC498765  Pseudognaphalium L. S. Smith 1924-7-1 1502 Modoc Modoc Forest, Round Mt. 1676 Comment
  JEPS126493  Pseudoroegneria spicata Jennifer Mueller July 18-25, 2016 CA 370 -232 Modoc Take county road 27 up Granger Canyon. Comment
  UCD32717  Pseudoroegneria spicata Beecher Crampton 1954-7-7 2149 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, on volcanic slopes. 1615 Comment
  SEINET10791512  Pseudoroegneria spicata Charles L. Hitchcock 1940-5-28 Hitchcock 6724 Modoc On dry slope. 15 miles north of Alturas (near Surprise). 1402 Comment
  CAS-BOT-BC95224  Pseudostellaria jamesiana C. L. Hitchcock 1940-5-27 6679 Modoc 15 mi. NE of Alturas. 1615 Comment
  JEPS46213  Pseudostellaria jamesiana F. H. Frost 1925-7-12 51 Modoc Stow's Meadow Cedar Canyon (Cedar Canyon, Warner Mountains); Warner Mountains, , Stow's Meadow Comment
  POM312514  Psilocarphus brevissimus H. L. Mason 1947-8-12 13513 Modoc Junction of North and South forks of Pitt River outside of Alturas. Comment
  HSC65600  Pterospora andromedea Thomas Wood 1979-8-9 234 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of Jct. with Hwy. 2, N of Fort Bidwell. 1509 Comment
  UCD91528  Puccinellia distans B. Crampton 1954-7-8 2188 Modoc Extension of 4th St. 1.5 miles west of Alturas. Comment
  UCD91529  Puccinellia distans Beecher Crampton 1954-7-8 2192 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  CAS-BOT-BC252547  Puccinellia lemmonii Bruce Bartholomew; Barrett Anderson 1990-7-20 5448 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  UCD93372  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2195 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  CAS-BOT-BC218231  Purshia tridentata var. tridentata A. D. Borden 1911-8-9 Modoc S slope of Shields Creek. Comment
  UC1953408  Purshia tridentata var. tridentata Tom Schweich 1996-6-29 62 Modoc Warner Mountains; East side of South Warner Mountains, near the mouth of North Deep Creek Canyon, 3.6 km southwest of Cedarville, CA. 1500 Comment
  HSC17980  Pyrola dentata Ms. M. H. Manning 1903-9-2 378 Modoc John Henry Hill 1829 Comment
  CAS-BOT-BC95685  Pyrola minor Bruce Bartholomew; Barrett Anderson 1990-7-20 5511 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  UC105961  Pyrola minor Mrs. R. M. Austin Jul 1894 142 Modoc Lassen Creek Comment
  CAS-BOT-BC95690  Pyrola picta Bruce Bartholomew; Barrett Anderson 1988-7-22 4527 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  UCR29778  Pyrola picta J. A. Harpel 1981-8-7 V- 59 Modoc Warner Mountains, South Warner Wilderness Area, Pine Creek Basin, trail head along Pine Creek, 9 mi northwest of Eagleville 2744 Comment
  CAS-BOT-BC497311  Pyrola picta B. Bartholomew 1991-8-6 6078 Modoc Emerson Trail between Emerson Camp Ground and N. Emerson Lake, E side of Warner Mts. 1920 Comment
  SJSU9693  Pyrola picta W. Savage 1979-7-20 1550 Modoc Oregon Rim Unit, Devils Garden District, 0.5 mi S of Oregon state line, Modoc National Forest 1645 Comment
  SJSU9381  Pyrrocoma carthamoides var. cusickii W. Savage 1979-7-3 1295 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1037320  Pyrrocoma carthamoides var. cusickii Leo Whitney 1934-6-2 1862 Modoc ca 17 mi nw Canby (Badger Wells); Badger Wells Comment
  CAS-BOT-BC50351  Pyrrocoma lanceolata var. lanceolata John Thomas Howell 1934-6-15 12185 Modoc Alturas. Comment
  CAS-BOT-BC50356  Pyrrocoma lanceolata var. lanceolata Alice Eastwood; John Thomas Howell 1940-6-14 8198 Modoc 6 mi. W of Alturas. Comment
  CAS-BOT-BC50357  Pyrrocoma lanceolata var. subviscosa Harvey Monroe Hall 1925-8-30 12212 Modoc 19 mi. S of Alturas on Hwy 395, at N edge of Likely. Comment
  UC1567399  Raillardella argentea G. Schoolcraft 1989-7-15 1964 Modoc n of Devils Knob; Warner Mts. 2621 Comment
  RSA520441  Ranunculus alismifolius var. alismellus Bruce Bartholomew 1990-6-15 5231 Modoc S end of Deer Spring Ridge 1.8km N turn off to Knox Flat near Pot Hole Spring. 1920 Comment
  POM269535  Ranunculus alismifolius var. hartwegii Louis C. Wheeler 1935-8-4 3774 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC217266  Ranunculus aquatilis var. aquatilis Bruce Bartholomew 1992-5-16 6318 Modoc Arnett Spring, N of Bayley Reservoir. 1510 Comment
  RSA0005406  Ranunculus austinae R. M. Austin 1894-1 s.n. Modoc Crevices, high bluff of lava rock east of Willow Creek Valley. Comment
  SEINET12087539  Ranunculus austinae R. M. Austin 1894-1 s.n. Modoc E of Willow Creek Comment
  CAS-BOT-BC217228  Ranunculus cymbalaria Louis Cutter Wheeler 1935-8-3 3769 Modoc Pine Creek, Warner Mts. 1554 Comment
  UC499815  Ranunculus eschscholtzii var. oxynotus Elmer I. Applegate 1932-8-3 8133 Modoc Eagle Peak Warner Mts. (e slope, bank near summit) 2743 Comment
  UC1191439  Ranunculus flammula Verne Grant and Irving Schneider 1947-7-22 8148 Modoc one mi nw Highway 395 (on dirt road leading to s end of Goose Lake, headwaters of river); North Fork of Pit River Comment
  NY494525  Ranunculus glaberrimus B. M. Bartholomew 1988-5-13 4154 Modoc Along Parker Creek Road, 0.5 km west of West Warner Road on Parker Creek Road, west side of the Warner Mountains 1650 Comment
  UC1178908  Ranunculus glaberrimus Herbert L. Mason 1949-4-16 13999 Modoc summit of grade between Madeline Plain and Likely Comment
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Jun 2 2009
  CAS-BOT-BC217243  Ranunculus glaberrimus var. ellipticus Bruce Bartholomew; Barrett Anderson 1989-4-27 4632 Modoc Ryan Canyon, 6.0 km NW of Adin on road to Dutch Flat. 1370 Comment
  CAS-BOT-BC217201  Ranunculus glaberrimus var. glaberrimus Leland S. Smith 1918-3-21 915 Modoc Juniper Flats near Alturas. 1524 Comment
  CAS-BOT-BC497340  Ranunculus glaberrimus var. glaberrimus G. Schoolcraft 1989-7-16 1969 Modoc Warner Mts. SE of Patterson Lake 2773 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
  UC748216  Ranunculus occidentalis Annie M. Alexander and Louise Kellogg 1946-6-7 4673 Modoc 1/2 mi e Cedarville 1453 Comment
  UCD96820  Ranunculus occidentalis W. E. Moon 1959-5-19 s.n. Modoc along State Hwy 139, 4 miles northwest of Canby. Comment
  HSC18161  Ranunculus occidentalis var. occidentalis M. T. Milligan 1966-5-14 618 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC217189  Ranunculus orthorhynchus var. orthorhynchus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16486 Modoc 6.4 mi. S of Lassen Creek camp ground, on roda to Buck Mt., Warner Mts. Comment
  UC9470  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker 1893-6-27 Modoc Comment
  CAS-BOT-BC217192  Ranunculus sceleratus Louis Cutter Wheeler 1935-8-3 3762 Modoc Pine Creek, Warner Mts. 1737 Comment
  CDA24350  Ranunculus sceleratus var. multifidus T. C. Fuller 1979-6-5 20266 Modoc R. A. Byrne property, north side of Highway 108, 10 km northeast of Tulelake. 0 Comment
  POM269753  Ranunculus sceleratus var. multifidus Louis C. Wheeler 1935-8-3 3762 Modoc Warner Mountains: Pine Creek. 1738 Comment
  CAS-BOT-BC217156  Ranunculus testiculatus Bruce Bartholomew; Barrett Anderson 1988-5-14 4205 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 Comment
  CAS-BOT-BC217161  Ranunculus uncinatus Bruce Bartholomew 1994-5-30 6744 Modoc Johnson Creek. 1570 Comment
  NY495030  Ranunculus uncinatus M. J. Williams 1984-6-30 8480- 3 Modoc Seepage area near a reservoir, 6.8 miles west of the Cedarville-Gerlach road, Granger Canyon Road, Warner Mountains 1981.2 Comment
  RSA100044  Ranunculus uncinatus var. parviflorus R. M. Austin 1895-06 s.n. Modoc Goose Lake Valley. Comment
  RSA520498  Rhamnus rubra Bruce Bartholomew 1989-7-14 4969 Modoc E side of Lower Roberts Reservoir and 3km NNE of Lookout. 1300 Comment
  CAS-BOT-BC498760  Ribes L. S. Smith 1919-8-25 1143 Modoc Modoc Forest: Dismal Swamp Comment
  CAS-BOT-BC225858  Ribes aureum Elmer Ivan Applegate 1897-6-7 844 Modoc Steel Swamp, Modoc County. Comment
  RSA59643  Ribes aureum E. K. Balls 1950-5-12 14650 Modoc Hillsides north of Bucks Creek Ranger station, Modoc National Forest. 1829 Comment
  UCD35235  Ribes aureum Beecher Crampton; with Carl Rimbey 1954-7-8 2186 Modoc 12 miles east of Likely, canyon of the South Fork of the Pit River. Comment
  UC1281035  Ribes cereum H. E. McMinn 1931-5-23 2462 Modoc Cedarville Road Warner Mts. 1889 Comment
  UC711874  Ribes cereum Roxana S. Ferris and Laura Lorraine 1941-8-13 10538 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 Comment
  UC71794  Ribes cereum Mrs. M. H. Manning 1902-10-11 37 b Modoc ne Modoc Conty Comment
  RSA59647  Ribes cereum E. K. Balls 1950-5-12 14644 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1738 Comment
  UCSB11458  Ribes cereum var. cereum Dearing, Hugh; Dearing, Margaret 1939-6-8 Modoc Pine Canon 1524 Comment
  SEINET7717539  Ribes glutinosum Unknown Modoc Warner Mountain Comment
  CAS-BOT-BC225897  Ribes inerme Elmer Ivan Applegate 1932-8-2 8093 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC225908  Ribes montigenum Annie Montague Alexander; L. Kellogg 1946-6-25 4822 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  UC748053  Ribes montigenum Annie M. Alexander and Louise Kellogg 1946-6-25 4822 Modoc Dismal Swamp Warner Mountains 2255 Comment
  RSA0021946  Ribes montigenum Elmer I. Applegate 1932-8-3 8122 Modoc Dry, rocky summit of Warner Mountains just north of Eagle Peak. Comment
  SEINET5339715  Ribes montigenum M. J. Williams 1984-6-29 84- 71 -2 Modoc Lily Lake, west side of the Warner Mountains 2073 Comment
  UC75472  Ribes roezlii var. roezlii Milo S. Baker 1893-1 Modoc Forestdale. Comment
  CAS-BOT-BC225931  Ribes velutinum Frank Pery Sipe 1930-7-17 s.n. Modoc Lava beds. Comment
  UC79649  Ribes velutinum Mrs. R. M. Austin 1894-1 Modoc Willow Creek Valley Comment
  CAS-BOT-BC225942  Ribes viscosissimum Margaret J. Williams 1984-6-29 84- 71 -3 Modoc Lily Lake, W side of Warner Mts. 2072 Comment
  NY455561  Ribes viscosissimum K. Paulson 1989-6-21 145 Modoc Pine Creek Basin, west side of the Warner Mountains 2109.2 Comment
  OBI48067  Ribes viscosissimum Rhonda Riggins 1989-4-28 1668 Modoc Pencil rd, 4.4 mi N of hwy 395 E of Alturas 1524 Comment
  SEINET256218 Image available Ribes viscosissimum M. J. Williams 1984-6-29 84- 71 -3 Modoc West side of the Warner Mountains Lily Lake 2073 Comment
  UC748045 Image available Ribes viscosissimum Annie M. Alexander and Louise Kellogg 1946-7-1 4894 Modoc 1/2 mi s Dismal Swamp; Warner Mountains 2255 Comment
  RSA0020906  Ribes viscosissimum Louis C. Wheeler 1935-8-14 3850 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  RSA0020910  Ribes viscosissimum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19439 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  CAS-BOT-BC50326  Rigiopappus leptocladus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 32 Modoc Above Parker Creek. Comment
  CAS-BOT-BC50371  Rigiopappus leptocladus Bruce Bartholomew 1990-6-18 5385 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UC748493  Rigiopappus leptocladus Annie M. Alexander and Louise Kellogg 1946-6-17 4789 Modoc 10 mi ne Alturas (Cedar Pass road) Comment
  RSA252400  Rorippa curvipes var. truncata R. F. Thorne, C. W. Tilforth 1969-9-5 39170 Modoc Modoc National Forest, Warner Mtns. Clear Lake. 1768 Comment
  CAS-BOT-BC58419  Rorippa curvisiliqua Bruce Bartholomew 1994-5-29 6735 Modoc Curtis Water Hole, NW of Egg Lake. 1280 Comment
  UC1601428  Rorippa curvisiliqua Franklin P. Nutting Modoc Little Hot Spring Valley Comment
  CHSC117254  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2016-7-14 21163 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC95038  Rorippa palustris var. hispida Verne Grant; I. Schneider 1947-7-19 8077 Modoc William Ranch, along Southern Pacific right-of-way near East Canal, in Pit Valley S of Alturas. Comment
  CAS-BOT-BC147385  Rosa californica Mrs. R. M. Austin; Mrs. Bruce 1898-7-1 2342 Modoc Shore Goose Lake Comment
  HSC59871  Rosa woodsii subsp. ultramontana J. P. Smith, J. O. Sawyer 1973-8-9 7254 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  CAS-BOT-BC218258  Rosa woodsii var. ultramontana Fred. P. Cronemiller 1920-6-15 25 Modoc Fillingin's. 1371 Comment
  UC467690  Rosa woodsii var. ultramontana W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr. Warner Mountains 1676 Comment
  CAS-BOT-BC497306  Rosa woodsii var. ultramontana B. Bartholomew 1990-6-17 5284 Modoc Surprise Valley, SW side of Lower Alkali Lake, 1.0 km N of Lassen County border 1370 Comment
  CDA23186  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  NY430602  Rumex salicifolius subsp. salicifolius B. M. Bartholomew 1990-7-20 5541 Modoc Buck Creek between Del Pratt Spring and Howard Flat, west side of Warner Mountains 1990 Comment
  NY430648  Rumex salicifolius subsp. triangulivalvis J. T. Howell 1934-6-15 12189 Modoc Alturas Comment
  RSA604003  Rumex salicifolius var. lacustris Louis C. Wheeler 1935-8-25 3914 Modoc Devil's Garden: Mud Lake. 1524 Comment
  UC1101223  Rumex salicifolius var. lacustris Verne Grant and Irving Schneider 1947-7-20 8087 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CDA23211  Rumex salicifolius var. triangulivalvis T. C. Fuller 1958-7-8 1943 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC211317  Rumex triangulivalvis John Thomas Howell 1934-6-15 12189 Modoc Alturas. Comment
  CAS-BOT-BC211322  Rumex triangulivalvis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 162 Modoc Parker Creek, Warner Mts. Comment
  RSA193946  Ruppia cirrhosa W. R. Dudley 1893-07 s.n. Modoc Santa Cruz County, Loggon E of Seabright, Santa Cruz Comment
  CAS-BOT-BC95280  Sagina saginoides Francis Dorris Payne 1935-6-19 791 Modoc Parker Creek at mouth of Dry Creek. Comment
  CAS-BOT-BC245202  Sagittaria cuneata Elmer Ivan Applegate 1929-7-29 6094 Modoc Clear Lake Dam. Comment
  CAS-BOT-BC225120  Salix boothii Annie Montague Alexander; L. Kellogg 1946-6-25 4826 Modoc Dismal Swamp, N end of Warner Mountains. 2255 Comment
  CAS-BOT-BC225125  Salix boothii Elmer Ivan Applegate 1932-7-9 7596 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC225752  Salix boothii Francis Dorris Payne 1932-7-7 331 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  JEPS14875  Salix boothii L. S. Smith 1918-8-11 1023 Modoc Camp One-T38-16 Modoc Nat'l Forest 22 Comment
  UC482331  Salix boothii Frances D. Payne 1931-7-7 331 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 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
  POM218965  Salix eastwoodiae Frances D. Payne 1931-7-7 333 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  UC481862  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225769  Salix exigua Belknap C. Goldsmith 1911-5-28 28 Modoc County road, near Goose Lake. 1493 Comment
  CAS-BOT-BC225779  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 495 Modoc Parker Creek, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  RSA5667  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas. SW end of town. 1360 Comment
  UC481818  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc sw end of town Alturas 1360 Comment
  UC481955  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 494 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch) 1560 Comment
  HSC30067  Salix geyeriana D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19344 Modoc Near Mill Creek, S Warner Wilderness Area Comment
  NY187774  Salix lasiandra L. C. Wheeler 1935-8-3 3772 Modoc Pine Creek, Warner Mts. 1554.5 Comment
  CAS-BOT-BC229683  Salix lasiandra subsp. caudata Elmer Ivan Applegate 1929-6-25 5899 Modoc Cottonwood Creek, E side of Goose Lake. Comment
  CAS-BOT-BC229690  Salix lasiandra subsp. caudata E. K. Balls 1950-5-20 14794 Modoc South Fork public camp, South Fork of the Pit River, Likely to Clear Lake. 1432 Comment
  JEPS14856  Salix lasiandra var. caudata Frances D. Payne 1931-6-10 135 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  UC1408969  Salix lasiandra var. caudata R. F. Thorne and C. W. Tilforth 1969-9-5 39144 Modoc ca. 6 mi. e. Likely (along S. Fork Pit River above junction with West Creek at Public Campground); S. Fork Pit River 1402 Comment
  NY187672  Salix lasiandra var. lancifolia N. F. Bracelin 1931-6-30 490 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  SD900  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 Modoc Halfway between Adin and Canby 1349 Comment
  UC481928  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby 1350 Comment
  UC481929  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby (0.1 mi. s. of Rush Creek Service Station, some distance from Rush Creek) 1350 Comment
  UC481936  Salix lasiolepis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 492 Modoc 20 km. e. Alturas (Parker Creek, meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC229695  Salix lemmonii Annie Montague Alexander; L. Kellogg 1946-6-26 4840 Modoc Dismal Swamp, N end of Warner Mts. 2255 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
  POM220490  Salix lemmonii H. P. Bracelin, Frances D. Payne 1931-6-30 496 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  RSA59371  Salix lemmonii E. K. Balls 1950-5-11 14622 Modoc 4 miles S of Fort Bidwell. W of Upper Lake. 1402 Comment
  UC5258  Salix ligulifolia Milo S. Baker 1893-7-15 Modoc 1371 Comment
  POM107279  Salix lutea R. M. Austin 1895-04 s.n. Modoc Goose Lake. Franklin Creek. Comment
Read comments
Mar 5 2011
  UC481792  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
  UCD111717  Salix lutea Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 499 Modoc Parker Creek, 20 km. east of Alturas, south of Payne Ranch. 1560 Comment
  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
  NY187397  Salix melanopsis F. D. Payne 1931-6-30 493 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  UC481853  Salix scouleriana Frances D. Payne 1931-6-22 283 Modoc government trail from summit of Grainger Pass to Mt. Warren 2100 Comment
  UC481854  Salix scouleriana Frances D. Payne 1931-6-22 293 Modoc e. slope Mt. Warren (spring on s. slope of ravine of Owl Creek); , Owl Creek 2400 Comment
Read comments
Mar 23 2012
  CAS-BOT-BC95558  Salsola tragus Bruce Bartholomew 1989-8-11 5080 Modoc E side of Surprise Valley at Nevada border on State Hwy 299. 1500 Comment
  CHSC34511  Salsola tragus J. D. Prouty 1980-8-9 1150 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  CAS-BOT-BC95561  Salsola tragus E. S. Willits 1939-10-10 162 Modoc Surprise Valley. Comment
  UCD99474  Salsola tragus Louis C. Wheeler 1973-1 s.n. Modoc North end of Big Mud Lake. 1645 Comment
  CAS-BOT-BC179251  Salvia aethiopis B. Bartholomew 1995-7-31 7078 Modoc Ca. 1.6 km N of turn off to Cedarville on U.S. Hwy 395. 1350 Comment
  CDA37947  Salvia aethiopis CDFA Staff s.n. Modoc Northeastern part of county. 0 Comment
  SEINET14190209 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  UCD125445  Salvia aethiopis John C. Hays 1947-6-1 s.n. Modoc Joseph Creek, on W.A. Carlsberg Ranch. Comment
  SFV3216  Salvia dorrii I. L. Wiggins, D. B. Wiggins 1961-6-12 16436 Modoc Warner Mountains 4 miles east of summit of Cedar Pass on Cedar Pass Road. 1550 Comment
  CAS-BOT-BC497223  Salvia dorrii Margaret J. Williams 1988-5-30 88- 26 -10 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC179238  Salvia dorrii var. dorrii Lindsay Stuart Smith 1918-5-29 929 Modoc Soldier Creek. 1828 Comment
  CAS-BOT-BC179243  Salvia dorrii var. dorrii Kay Paulson; Richard Paulson 1988-5-24 16 Modoc Granger Canyon, Warner Mts.. 1493 Comment
  CAS-BOT-BC184106  Salvia dorrii var. pilosa Elmer I. Applegate 1935-6-7 9408 Modoc Lava Beds National Monument. Indian Wells Ranger Station Comment
  CAS-BOT-BC238782  Sambucus nigra subsp. caerulea Roxana S. Ferris; Rena Duthie 1919-6-15 189 Modoc Parker Creek, Modoc Nat. Forest Bound. Comment
  CAS-BOT-BC95180  Sambucus racemosa var. melanocarpa K. Paulson; Robert Paulson 1991-8-28 254 Modoc Poison Lake, N end of Warner Mountains. 1828 Comment
  HSC80927  Sambucus racemosa var. racemosa G. M. Riegel 1978-7-11 43 Modoc S Warner Mtns. 2100 Comment
  HSC27404  Sanguisorba annua D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19495 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC15720  Sanicula graveolens K. Paulson; Robert Paulson 1988-5-24 13 Modoc Parker Creek Road, Warner Mts.. 1645 Comment
  HSC28841  Sanicula graveolens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19319 Modoc Soup Springs Campground Comment
  JEPS1016  Sanicula graveolens M. S. Baker and Franklin P. Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  HSC80789  Sanicula graveolens G. M. Riegel 1979-7-13 511 Modoc South Warner Mountains 1829 Comment
  UC1598724  Sanicula graveolens Milo S. Baker 1893-6 Modoc in Modoc County Modoc County Comment
  CAS-BOT-BC95241  Saponaria officinalis Bruce Bartholomew 1989-8-10 5050 Modoc N side of Widow Valley, 10.1 km E of Day on County Road 94. Comment
  UC11823  Saxifraga oregana Mrs. R. M. Austin July, 1894 Modoc Davis Creek Comment
  JEPS47549  Saxifraga oregana Milo S. Baker 1898-8-22 564 Modoc Bear Valley Mountains Comment
  UCD126479  Schedonorus pratensis J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC245135  Schoenoplectus acutus var. occidentalis Elmer Ivan Applegate 1929-7-29 6095 Modoc Clear Lake Dam. Comment
  CHSC100384  Schoenoplectus acutus var. occidentalis Lowell Ahart; John Dittes 2008-8-25 15316 Modoc At water's edge, on the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91,about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  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
  CAS-BOT-BC245130  Schoenoplectus americanus Herbert Louis Mason 1947-8-11 13499 Modoc Hwy 81, W margin of Lower Lake, near boundary with Lassen Co. Comment
  UC1587094  Schoenoplectus americanus G. Schoolcraft 1991-7-24 2188 Modoc Leonard Hot Spring NE of Middle Alkali Lake 1386 Comment
  UC1100762  Scirpus acutus var. occidentalis Herbert L. Mason, Verne Grant 1947-7-19 8061 Modoc Eastside Canal about one mi s Bayley's Bridge (s of Alturas); , Eastside Canal Comment
  UC1100870  Scirpus americanus Verne Grant and Irving Schneider 1947-7-19 8084 Modoc irrigation ditch s Williams Ranch House (n of Likely); n of Likely Comment
  HSC48002  Scirpus congdonii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19462 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC245120  Scirpus microcarpus Bruce Bartholomew 1989-8-11 5062 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC245125  Scirpus microcarpus Bruce Bartholomew 1990-6-17 5329 Modoc W side of Surprise Valley, 16 km S of Cedarville. 1420 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
  UC1100887  Scirpus nevadensis Herbert L. Mason, Verne Grant 1947-7-12 13436 Modoc n Likely (Corporation Ranch Headquarters); , n of Likely Comment
  CAS-BOT-BC197837  Scrophularia lanceolata Bruce Bartholomew; Barrett Anderson 1989-6-3 4870 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  RSA427194  Scrophularia lanceolata Francis W. Pennell 1940-6-8 25736 Modoc Route 299, 9-10 miles west of Alturas. 1372 Comment
  CHSC71878  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1998-9-8 9593 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  CAS-BOT-BC179216  Scutellaria nana Lindsay Stuart Smith 1924-5-31 1358 Modoc Egg Lake Ranch and S. Comment
  UC25817  Scutellaria nana Milo S. Baker 1893-7-8 Modoc Comment
  JEPS26920  Sedum stenopetalum Wayne Roderick May 1961 966 Modoc Cedar Pass Warner Mtns, Cedar Pass (Warner Mtns on s side of hiway just e of summit) 1889 Comment
  SD47967  Sedum stenopetalum subsp. stenopetalum Herbert L. Mason 1957-7-6 14719 a Modoc Mill Creek, Warner Mountains. Comment
  RSA84213  Sedum stenopetalum subsp. stenopetalum F. W. Peirson 1926-6-25 6866 Modoc West slope of Warner Mountains on Cedarville Road. Comment
  CAS-BOT-BC50338  Senecio aronicoides Robert Patterson; Mona Bourell 1993-8-15 5269 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC50344  Senecio aronicoides Bruce Bartholomew 1994-5-14 6683 Modoc Near Day Rock. 1280 Comment
  SEINET201634  Senecio aronicoides Arthur Cronquist, Arthur H. Holgren 1959-6-19 Modoc Warner Mts. 15 miles east of Likely. 1981 Comment
  RSA78968  Senecio canus E. K. Balls, Percy C. Everett 1952-10-11 18165 Modoc 4.9 miles west from turn off Highway 139 on road to Pumice Pits at east edge of Glass Flow. 1280 Comment
  UC1567364  Senecio fremontii var. fremontii G. Schoolcraft 1989-7-16 1952 Modoc Patterson Lake Warner Mts. 2773 Comment
  CHSC106185  Senecio hydrophilus Lowell Ahart; John Dittes 2010-8-31 17104 Modoc About 40 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1274 Comment
  JEPS89346  Senecio hydrophilus Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10502 Modoc w. shore Lower Lake (Surprise Valley); , Lower Lake 1363 Comment
  UC91663  Senecio hydrophilus Mrs. R. M. Austin Sept 1894 Modoc shores Goose Lake Comment
  CAS-BOT-BC50252  Senecio integerrimus var. exaltatus Bruce Bartholomew; Barrett Anderson 1989-6-1 4744 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC50272  Senecio triangularis Barrett Anderson 1986-7-10 3195 Modoc West Warner Rd at North Fork of Pine Creek. 1935 Comment
  CAS-BOT-BC50273  Senecio triangularis Bruce Bartholomew 1989-8-11 5089 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  CAS-BOT-BC54276  Senecio triangularis Elmer Ivan Applegate 1932-7-31 7978 Modoc Mill Creek Meadow, Warner Mountains Comment
  CAS-BOT-BC54277  Senecio triangularis Bruce Bartholomew; Barrett Anderson 1988-7-21 4434 Modoc Vicinity of Lower Rush Creek Campground ca. 1 km E of State Highway 299 between Adin and Canby. 1430 Comment
  CAS-BOT-BC225039  Sibbaldia procumbens Annie Montague Alexander; L. Kellogg 1946-6-14 5069 Modoc Horse Mountain, Warner Mts. Comment
  HSC80699  Sibbaldia procumbens G. M. Riegel 1980-8-7 1003 Modoc S Warner Mtns. 1829 Comment
  NY847589  Sibbaldia procumbens B. M. Bartholomew 1991-8-6 6080 Modoc N Emerson Lake, east side of Warner Mountains 2370 Comment
  RSA165549  Sidalcea hendersonii Clare B. Hardham 1961-6-19 7853 Modoc Willow Creek. 1524 Comment
  CAS-BOT-BC179078  Sidalcea oregana subsp. oregana Barrett Anderson 1986-7-9 3138 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC179080  Sidalcea oregana subsp. oregana Amos Arthur Heller 1938-6-24 15227 Modoc Between Alturas and Canby. 1219 Comment
  CAS-BOT-BC179085  Sidalcea oregana subsp. oregana Bruce Bartholomew 1991-6-21 5829 Modoc W side of Goose Lake, 1.4 km N of junction with Forest Service road 73. 1450 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
  CAS-BOT-BC179093  Sidalcea oregana subsp. oregana Leland S. Smith 1922-7-13 1265 A Modoc Crowder Flat Ranger Station pasture. 1463 Comment
  RSA503039  Sidalcea oregana subsp. oregana Bruce Bartholomew, B. Anderson 1988-6-24 4358 Modoc 9.8 km SW of County Road 1 on County Road 42, E side of the Warner Mountains 1960 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
  CAS-BOT-BC179068  Sidalcea oregana subsp. oregana Fred. P. Cronemiller 1920-6-15 7 Modoc McKenzie Spring. 1341 Comment
  RSA31656  Sidalcea oregana subsp. oregana A. A. Heller 1938-6-24 15227 Modoc Between Alturas and Canby. 1341 Comment
  UC108854  Sidalcea oregana subsp. oregana Mrs. R. M. Austin 1894-1 310 Modoc Comment
  CAS-BOT-BC191147  Sidalcea oregana subsp. spicata Bruce Bartholomew; Barrett Anderson 1988-6-24 4358 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  UC8471  Silene lemmonii Milo S. Baker 1893-6-22 Modoc Comment
  HSC4221  Silene menziesii M. T. Milligan 1965-6-30 391 Modoc Slopes and ridges E of Jess Valley 1738 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
  UC748475  Silene oregana Annie M. Alexander and Louise Kellogg 1946-8-9 5139 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail 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
  CHSC112428  Sisymbrium orientale Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18760 Modoc About 100 yards east of the Parking Area, near 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
  JEPS62146  Smilacina stellata Mary H. Manning 1912-1 Modoc Ft. Bidwell Comment
  CAS-BOT-BC245426  Solanum triflorum Verne Grant; Herbert Louis Mason 1947-7-10 13341 Modoc Doris Reservoir, 2 miles east of Alturas Comment
  JEPS114457  Solanum triflorum Lowell Ahart, John Dittes 2008-8-26 15339 Modoc Southeast side of Rose Creek, 700 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2710 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  JEPS117366  Solanum triflorum Lowell Ahart, John Dittes 2010-8-30 17083 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley 1266 Comment
  UC527397  Solanum triflorum C. B. Wolf 1931-9-5 2399 Modoc 3 mi above e base Warner Mountains (on the grade from Lake City-Fort Bidwell Road- to Davis Creek) 1676 Comment
  RSA504637  Solanum umbelliferum Bruce Bartholomew, B. Anderson 1988-6-23 4260 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CHSC70719  Solidago elongata A. Sanger 1997-7-9 2641 Modoc Willow Creek at junction toward Tri-tip Meadow. 1499 Comment
  POM312332  Solidago spectabilis H. L. Mason 1947-8-9 13459 Modoc Ingalls Swamp, north of Big Sage Reservoir, northwest of Alturas. Comment
  UC1192251  Solidago spectabilis Herbert L. Mason 1947-8-11 13497 Modoc On Highway 81, west margin of Lower Lake, near boundary, between Lassen and Modoc counties. Comment
  CHSC99899  Solidago velutina subsp. californica Lowell Ahart; John Dittes 2008-8-26 15343 Modoc On the banks of Rose Creek, 250 feet southwest of the confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3,160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CHSC118797  Solidago velutina subsp. sparsiflora L. P. Janeway 2015-8-9 11825 Modoc Warner Mountains. On the south side of a knoll on the west side of Road 39N06 2.2 road-km north of Road 64 (39N01 - the road to Patterson campground); 5.8 air-km north-northeast of Blue Lake. 2170 Comment
  CAS-BOT-BC158920  Sorbus scopulina B. Bartholomew 1991-7-6 6000 Modoc Rush Creek above Upper Rush Creek Camp Ground 1580 Comment
  JEPS32231  Sparganium emersum var. emersum Mrs. M. H. Manning Jun 1903 434 Modoc ne Modoc County Comment
  CAS-BOT-BC95285  Spergularia rubra Bruce Bartholomew; Barrett Anderson 1988-6-24 4339 Modoc Cave Lake, W side of the Warner Mts.. 2130 Comment
  HSC80788  Sphenosciadium capitellatum G. M. Riegel 1980-8-13 1047 Modoc South Warner Mountains 2100 Comment
  UC1101245  Spirodela polyrhiza Verne Grant and Irving Schneider 1947-7-19 8066 Modoc s of Alturas (Corporation ranch, irrigation ditch s of s loop road) Comment
  SEINET11587758  Stachys ajugoides Unknown 2016-8-16 9 -11 Modoc Lookout Comment
  UCD126027  Stachys rigida Verne Grant; Irving Schneider 1947-7-18 8047 Modoc Eastside Canal, 5 miles north of Bayley's bridge, south of Alturas. Comment
  HSC4291  Stellaria longipes M. T. Milligan 1966-7-3 544 Modoc Slopes and ridges E of Jess Valley 2073 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-BC95295  Stellaria longipes var. longipes Verne Grant; I. Schneider 1947-8-24 8252 Modoc Jess Valley. Comment
  CAS-BOT-BC54251  Stenotus acaulis Leland S. Smith 1917-7-17 83 Modoc Head of Shield Creek. 2133 Comment
  CAS-BOT-BC54256  Stenotus acaulis Bruce Bartholomew 1994-7-2 6808 Modoc 7.2 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2190 Comment
  CAS-BOT-BC54257  Stenotus acaulis Annie Montague Alexander; L. Kellogg 1946-8-9 5138 Modoc Patterson Lake Trail, Warner Mts. Comment
  SEINET188113  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles NE of Alturas 1615 Comment
  UC1523801  Stenotus acaulis Gary Schoolcraft 1981-5-12 391 Modoc SW of Alturas 1493 Comment
  CAS-BOT-BC54268  Stephanomeria spinosa Bruce Bartholomew 1994-10-9 6883 Modoc Near Nevada border directly E of Eagleville, S end of Surprise Valley. 1510 Comment
  CAS-BOT-BC54271  Stephanomeria spinosa Leland S. Smith 1922-7-12 1267 Modoc Canyon below Barber Field, 2 mi. S Menlo. 1676 Comment
  SEINET195472  Stephanomeria tenuifolia Annie M. Alexander, Loise Kellogg 1946-7-5 4908 Modoc Lava Cliff west Lower Lake. Comment
  CAS-BOT-BC95051  Streptanthella longirostris Bruce Bartholomew 1994-5-15 6691 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  HSC6950  Streptanthus cordatus M. T. Milligan 1967-7-8 662 Modoc W slope of Eagle Peak 2500 Comment
  POM266324  Streptanthus cordatus Marion Ownbey, Fred G. Meyer 1940-7-1 2135 Modoc Cedar Pass, Warner Mts. Comment
  JEPS27076  Streptanthus cordatus Frances D. Payne 1931-6-21 223 Modoc e exposure at base of cliffs on ridge west of Dry Creek (tributary of Parker Creek) (s and e of Alturas); Warner Mountains 1981 Comment
  UC748373  Streptanthus cordatus Annie M. Alexander and Louise Kellogg 1946-6-22 4815 Modoc 3 mi above Fort Bidwell; Bidwell Creek Comment
  CAS-BOT-BC95056  Streptanthus cordatus var. cordatus Elmer Ivan Applegate 1932-7-6 8217 Modoc Summit of Yellow Mountain, Bidwell Pass, Warner Mts. Comment
  CAS-BOT-BC95057  Streptanthus cordatus var. cordatus Elmer Ivan Applegate 1932-7-9 7577 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC95071  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-22 4815 Modoc Bidwell Creek, 2 mi. above Fort Bidwell. Comment
  UC1736576  Streptanthus cordatus var. cordatus Dean Wm. Taylor with Glenn Clifton 1987-6-27 9102 Modoc Highway 395 3.5 miles N of Northern junction with Highway 299 1371 Comment
  UC429277  Streptopus amplexifolius var. americanus Franklin P. Nutting 1894-8-15 Modoc Taylor Creek Comment
  POM313008  Stuckenia pectinata Verne Grant, Irving Schneider 1947-7-19 8085 Modoc Irrigation ditch south of Williams ranch house, north of Likely. 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
  SJSU9599  Stylocline psilocarphoides W. Savage 1979-7-5 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
Read comments
Dec 18 2006
  UC71802  Suaeda calceoliformis Mrs. M. H. Manning 1903-8-25 323 Modoc n end Alkaline Lake (ne Modoc County) Comment
  UCD99570  Suaeda calceoliformis H. D. Sylvester 1929-10-1 s.n. Modoc Exact location unknown. Comment
  CAS-BOT-BC95578  Suaeda nigra Bruce Bartholomew 1989-8-11 5084 Modoc 4.8 km E of Eagleville, Surprise Valley, between Middle and Lower Alkali lakes. 1400 Comment
  CAS-BOT-BC180097  Swertia albicaulis var. albicaulis Bruce Bartholomew; Barrett Anderson 1989-6-3 4854 Modoc Timber Mountain, ca. 30 km N of State Hwy 299 on Crowder Flat Road. 1550 Comment
  CAS-BOT-BC180101  Swertia albicaulis var. albicaulis John Thomas Howell 1934-6-30 12294 Modoc Duncan Horse Camp. 1355 Comment
  UC748426  Swertia albicaulis var. albicaulis Annie M. Alexander and Louise Kellogg 1946-7-7 4941 Modoc Eight Mile Creek, ne corner of Modoc County Eight Mile Creek 1752 Comment
  CAS-BOT-BC180095  Swertia albicaulis var. nitida Milo Samuel Baker 1894-6-13 Modoc Near Egg Lake. Comment
  CAS-BOT-BC180090  Swertia radiata Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10595 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CAS-BOT-BC95195  Symphoricarpos rotundifolius var. rotundifolius John H. Hatton 1911-6-20 123 Modoc Modoc County. 1524 Comment
  HSC80924  Symphoricarpos rotundifolius var. rotundifolius G. M. Riegel 1979-6-28 448 Modoc S Warner Mtns. 1670 Comment
  UC190694  Symphoricarpos rotundifolius var. rotundifolius M. F. Gilman 641 Modoc mountains 1828 Comment
  CHSC112824  Symphyotrichum campestre Lowell Ahart; John Dittes 2013-7-25 18950 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  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
  UC1192080  Symphyotrichum frondosum Herbert L. Mason 1947-8-11 13487 Modoc Kelley Hot Springs, on Alturas-Conby highway Comment
  UC71823  Symphyotrichum frondosum Mrs. M. H. Manning 1903-8-1 265 Modoc near, ne Modoc Co Fort Bidwell Comment
  CAS-BOT-BC232352  Synthyris missurica Robert Patterson; Mona Bourell 1993-8-14 5230 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CHSC30633  Synthyris missurica NEH Prouty 1980-6-2 174 Modoc Modoc National Forest, Warner Mt. District. Sheep Rock T.S. Comment
  CAS-BOT-BC248358  Synthyris missurica subsp. missurica B. Bartholomew; H. Sun 2002-6-24 8841 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  UC748172  Synthyris missurica subsp. missurica Annie M. Alexander and Louise Kellogg 1946-6-15 4774 Modoc Deep Creek Comment
  CAS-BOT-BC54226  Taraxacum officinale Bruce Bartholomew; Mona Bourell 1990-4-27 5188 Modoc Near SW corner of Big Sage Reservoir, 13.5 km NW of Hwy 299 on Crowder Flat Rd. 1510 Comment
  CAS-BOT-BC54227  Taraxacum officinale Edward Kent Balls 1950-5-11 14623 Modoc 8.1 mi. NE of Fort Bidwell, above Cowhead Lake, on Eight Mile Creek. 1463 Comment
  CHSC107330  Taraxia subacaulis Lowell Ahart; John Dittes 2011-6-21 17516 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS118472  Taraxia subacaulis Lowell Ahart, John Dittes 2011-6-21 17516 Modoc Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC711809  Tetradymia canescens Roxana S. Ferris and Laura Lorraine 1941-8-14 10599 Modoc 5.5 mi from Patterson Ranger Station; Warner Mountains, Modoc National Forest Comment
  UC91610  Tetradymia canescens Mrs. R. M. Austin Aug 1882 Modoc plains near Goose Lake Comment
  RSA520340  Tetradymia glabrata Bruce Bartholomew, B. Anderson 1989-6-2 4827 Modoc 9.7 km E of Eagleville at the California state border. E side of Surprise Valley. 1550 Comment
  CDA8929  Tetradymia glabrata Loring White 1960-5-17 Modoc 12 miles southeast of Eagleville. 0 Comment
  CAS-BOT-BC217171  Thalictrum fendleri Frank Warrington Peirson 1926-6-25 6877 Modoc Small side canyon 1 mi E of summit, Cedarville Road, Warner Mts. Comment
  UC9699  Thalictrum fendleri Mrs. R. M. Austin June 1894 Modoc Willow Creek Comment
  NY496092  Thalictrum fendleri B. M. Bartholomew 1988-6-24 4319 Modoc Lily Lake; west side of the Warner Mountains. Fort Bidwell 15' Quad. 2130 Comment
  RSA520460  Thalictrum fendleri K. Paulson, R. Paulson 1989-6-21 146 Modoc Pine Creek Basin, W side of the Warner Mts. 2110 Comment
  POM260443  Thalictrum occidentale var. palousense C. L. Hitchcock 1940-5-27 6704 a Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC95076  Thelypodium milleflorum Bruce Bartholomew 1993-6-13 6632 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC95077  Thelypodium milleflorum Bruce Bartholomew 1990-6-17 5339 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  CAS-BOT-BC181777  Thermopsis californica var. argentata M. S. Baker; Frank Nutting 1894-6-1 s.n. Modoc Forestdale Comment
  CAS-BOT-BC181801  Thermopsis californica var. argentata Milo Samuel Baker June 12 s.n. Modoc Forestdale. Comment
  HSC6974  Thlaspi arvense M. T. Milligan 1965-6-23 307 Modoc N end Jess Valley 1616 Comment
  NY1083233  Tiquilia nuttallii B. M. Bartholomew 1990-6-17 5317 Modoc Surprise Valley, 6.8 km west of Eagleville 1390 Comment
  UCD93229  Torreyochloa pallida var. pauciflora R. Tofsrud 1947-7-1 252 Modoc 5 miles west of Ft. Bidwell. Comment
  UC1601311  Townsendia scapigera unknown May 1879 Modoc Surprise Valley Comment
  CAS-BOT-BC245223  Tribulus terrestris Bruce Bartholomew 1989-8-10 5037 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC179201  Trichostema oblongum Bruce Bartholomew 1994-7-1 6757 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  UC26036  Trichostema oblongum Milo S. Baker 1893-7-24 Modoc Egg Lake 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
  SJSU7960  Trifolium hybridum H. L. Buckalew 1961-7-4 Modoc Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts. 1920 Comment
  NY802649  Trifolium kingii var. productum M. Bourell 1993-8-15 5273 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead 2438 Comment
  UC711816  Trifolium kingii var. productum Roxana S. Ferris and Laura Lorraine 1941-8-14 10579 Modoc 3 mi from Patterson Ranger Station (on rd to Eagleville); Warner Mtns, Modoc National Forest Comment
  JEPS66052  Trifolium kingii var. productum Leland S. Smith 1918-6-23 857 Modoc vicinity Modoc Forest (High Grade) Comment
  CAS-BOT-BC181753  Trifolium longipes Alice Eastwood; John Thomas Howell 1940-6-12 8058 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC181741  Trifolium longipes R. M. Austin 1894-7-1 Modoc Lake shore. Comment
  POM349460  Trifolium longipes subsp. atrorubens Robert Gustafson 1985-6-13 3163 Modoc Jct of Hwy 49 and Forest Service road 12, Yuba Pass summit. 2043 Comment
  RSA503254  Trifolium longipes subsp. multipedunculatum Bruce Bartholomew, B. Anderson 1988-6-24 4305 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CAS-BOT-BC181732  Trifolium macrocephalum Leland S. Smith 1917-6-10 35 Modoc Jess Valley. 1524 Comment
  HSC15216  Trifolium macrocephalum M. T. Milligan 1964-6-17 44 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  JEPS65937  Trifolium macrocephalum L. S. Smith 1917-1 795 Modoc Jess Valley Warner Mountains Comment
  SJSU7631  Trifolium macrocephalum H. L. Buckalew 1961-6-23 Modoc near Stowe Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts Comment
  UC1037201  Trifolium macrocephalum Leo Whitney Modoc near Timbered Mountain (Devil's Garden; NE part of county); Modoc National Forest Comment
  UC80666  Trifolium macrocephalum Mrs. R. M. Austin May 1894 42 Modoc Goose Lake Valley Comment
  HSC15220  Trifolium macrocephalum R. T. Haase 1965-4-24 50 Modoc 15 mi. S of Canby on Hwy. 299 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
  SEINET3131870  Trifolium macrocephalum E. K. Balls 1950-5-10 15963 Modoc 0.5 mi past fork of Hwy 395, road to Cedarville, from Alturas 1585 Comment
  UC555480  Trifolium pratense F. H. Frost 1925-7-24 126 Modoc Jess Valley Warner Mtns Comment
  CAS-BOT-BC181767  Trifolium productum Bruce Bartholomew; Barrett Anderson 1988-6-24 4307 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  HSC100119  Trifolium repens M. T. Milligan 1966-6-14 457 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC180166  Trifolium variegatum Bruce Bartholomew 1994-7-1 6761 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  HSC15185  Trifolium variegatum M. T. Milligan 1964-7-1 121 Modoc W end of Ballard's Resvr. 1372 Comment
  UC16738  Trifolium willdenovii Milo S. Baker 1894-5-23 Modoc Cow Creek Mountains Comment
  HSC81093  Trifolium wormskioldii G. M. Riegel 1980-7-30 974 Modoc S Warner Mtns. 2100 Comment
  UC1191485  Trifolium wormskioldii Herbert L. Mason and Verne Grant 1947-7-12 13437 Modoc n Likely (Corporation Ranch Headquarters) Comment
  CAS-BOT-BC245034  Triglochin concinna var. debilis Bruce Bartholomew 1991-5-24 5719 Modoc Surprise Valley, vicinity of Surprise Valley Mineral Springs, 8 km E of Cedarville. 1400 Comment
  UC1099947  Triglochin maritima Herbert L. Mason, Malcolm A. Nobs, and S. Galen Smith 1949-5-29 767 Modoc e Kelly Hot Springs Comment
  UC71582  Triglochin maritima Mrs. M. H. Manning 1893-2 146 Modoc ne Modoc Co. Camass Meadows Comment
  HSC13429  Trisetum spicatum M. T. Milligan 1965-7-10 428 Modoc W slope of Eagle Peak 2439 Comment
  HSC65263  Trisetum spicatum J. P. Smith, J. O. Sawyer 1973-8-8 7223 Modoc Near summit of Eagle Peak 2988 Comment
  HSC80825  Trisetum spicatum G. M. Riegel 1980-8-9 1015 Modoc S Warner Mtns. 1829 Comment
  JEPS70747  Trisetum spicatum Leland S. Smith 1918-1 1093 1/2 Modoc Comment
  SEINET5424184  Trisetum spicatum D. Charlet 1989-8-17 554 Modoc Warner Mountains, 1.3 km northwest of Eagle Peak 2550 Comment
  CAS-BOT-BC242155  Triteleia hyacinthina Bruce Bartholomew 1994-7-1 6759 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  RSA378027  Triteleia hyacinthina George Willet 1935-6-14 s.n. Modoc 4 miles E of Likely. 1524 Comment
  SEINET3884959  Triteleia hyacinthina Margaret J. Williams 1983-7-29 83- 116 -5 Modoc 1.1 mi N of Stowe Reservoir Campground, N. of Cedar Pass, Warner Mtns.; 0 2088 Comment
  RSA152425  Triteleia hyacinthina I. L. Wiggins, Dorothy Wiggins 1961-6-13 16462 Modoc 5 mi W of Fandango Pass, Warner Mtns. Comment
  SEINET10932581  Triteleia hyacinthina Bartholomew 1988-6-23 BARTHOLOMEW 4253 Modoc 4.2 km NW of Day. Juniper shrub savanna. T39N R5E SEC8 Fall River Mills 15 ' Quad. 1020 Comment
  CHSC111103  Typha latifolia Lowell Ahart; John Dittes 2012-7-12 18363 Modoc North edge of Ash Creek, south of the gravil pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC1182232  Typha latifolia F. H. Frost 1925-7-24 143 Modoc Jess Valley; Warner Mountains, Jess Valley Comment
  UCD121830  Utricularia intermedia Barry Rice 2007-5-28 BR 070504 Modoc Western edge of Egg Lake. 1295 Comment
  UCD78075  Utricularia macrorhiza R. E. Preston 2000-7-18 1401 Modoc Ca. 12 mi nw of Canby, n of Hwy 139, 1.7 mi e of Forest Service Rd 44N11. 1490 Comment
  CAS-BOT-BC179192  Utricularia vulgaris Mrs. C. C. Bruce 1899-1-1 Modoc Goose L. Comment
  UC1076252  Vaccaria hispanica F. H. Frost 142 Modoc Jess Valley , Jess Valley (Warner Mts.) Comment
  CAS-BOT-BC245384  Valeriana californica Elmer Ivan Applegate 1932-8-5 8175 Modoc Among craggs of Cedar Mountain, N of Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC245389  Valeriana californica Elmer Ivan Applegate 1932-7-9 7567 Modoc NW slope of Bidwell Mountain. Comment
  SBBG7421  Valeriana californica H. and M. Dearing 1939-6-8 3594 Modoc Pine Cyn, Warner Mtns Comment
  CHSC115524  Verbascum blattaria Lowell Ahart; John Dittes 2015-7-17 20412 Modoc About 100 yards north of Ash Creek, 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. 1279 Comment
  CAS-BOT-BC245468  Veronica americana Bruce Bartholomew; Barrett Anderson 1988-7-21 4470 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC245478  Veronica americana Bruce Bartholomew; Barrett Anderson 1989-6-2 4787 A Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC245480  Veronica americana Bruce Bartholomew; Barrett Anderson 1988-7-23 4577 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  RSA210892  Veronica americana Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39101 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  JEPS28982  Veronica americana Frances D. Payne 1929-7-6 43 Modoc Parker Creek, w slope of Warner Range Parker Creek; Warner Range, Parker Creek 1584 Comment
  JEPS28997  Veronica americana Frances D. Payne 1931-6-22 243 Modoc along Dry Creek, tributary of Parker Creek, w slope of Warner Mountains Dry Creek; Warner Mountains, tributary of Parker Creek, Dry Creek 1828 Comment
  POM43211  Veronica americana R. M. Austin 1895-07 459 Modoc Goose Lake Valley. Comment
  UC672507  Veronica americana F. H. Frost 1925-7-12 55 Modoc Cedar Canyon, Stones Meadow Cedar Canyon; Warner Mountain, , Stones Meadow Comment
  UCR34770  Veronica nutans J. A. Harpel 1981-8-6 V- 13 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
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  CAS-BOT-BC245449  Veronica serpyllifolia subsp. humifusa Annie Montague Alexander; L. Kellogg 1946-6-26 4841 Modoc Dismal Swamp. 2255 Comment
  JEPS22878  Veronica serpyllifolia subsp. humifusa Rimo Bacigalupi with J. R. Sweeney, J. Weiler and their class from Sagehen 1959-7-19 7324 Modoc beside Dismal Creek (in Dismal Swamp, near summit of roas, (1 1/2 mi n of) over Warner Mountains, between Fort Bidwell and Pine Creek, very close to Oregon border); Dismal Swamp Comment
  JEPS79139  Veronica serpyllifolia subsp. humifusa L. R. Heckard with R. Bacigalupi 1980-6-11 5241 Modoc about 10 mi east northeast of Alturas (Cedar Pass Campground (US Forest Service)); Cedar Pass Campground 1889 Comment
  UC138886  Veronica serpyllifolia subsp. humifusa Mrs. R. M. Austin 187 Modoc Lassen Creek Comment
  CAS-BOT-BC180138  Vicia americana var. americana Annie Montague Alexander; L. Kellogg 1946-7-10 4955 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC180143  Vicia americana var. americana Leland S. Smith 1924-5-31 1354 Modoc South side Egg Lake. Comment
  UC748295  Vicia americana var. americana Annie M. Alexander and Louise Kellogg 1946-7-10 4955 Modoc Eight Mile Creek; ne corner of Modoc County 1752 Comment
  CAS-BOT-BC180151  Vicia americana var. americana Mrs. H. C. Cantelow 1935-6-8 Modoc NE of Bieber. Comment
  JEPS66143  Vicia americana var. americana Frances D. Payne 1931-7-4 315 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC673599  Vicia americana var. americana F. H. Frost 53 Modoc Stow's Meadow Cedar Canyon (half-up Cedar Canyon) Comment
  CAS-BOT-BC245356  Viola beckwithii Bruce Bartholomew 1993-4-3 6406 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  UC108598  Viola beckwithii Mrs. R. M. Austin May 1894 1 Modoc Davis Creek Comment
  RSA59367  Viola beckwithii E. K. Balls 1950-5-11 14626 Modoc 8.1 mi NE of Fort Bidwell, above Cowhead Lake, along 8 mile Creek. 1463 Comment
  CAS-BOT-BC245345  Viola glabella Bruce Bartholomew 1995-7-31 7112 Modoc Upper reaches of Goose Creek, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC245340  Viola macloskeyi Bruce Bartholomew; Barrett Anderson 1988-6-24 4344 Modoc Vicinity of Blue Bell Mine between Lily Lake and and Fort Bidwell on County Road 2, Warner Mts.. 2190 Comment
  SEINET195704 Image available Viola praemorsa Annie M. Alexander, Louise Kellogg 1946-6-8 4700 Modoc Near 3 miles Ranger Station sign road from Eagleville to Patterson Mill 2225 Comment
  RSA292912  Viola praemorsa Reino Alava 1957-7-6 s.n. Modoc 2 miles W of Benton Meadows. Davis Creek Pass Road, Modoc National Forest. Comment
  UC1761655  Viola praemorsa subsp. linguifolia E. K. Balls 1950-5-11 14624 Modoc 8.1 mi NE of Fort Bidwell (above Cowhead Lake, along 8-Mile Creek) 1463 Comment
  RSA0065513  Viola purpurea Marion P. Harthill 1971-6-23 s.n. Modoc Fandango Pass Comment
  SBBG4829  Viola purpurea subsp. dimorpha H. and M. Dearing 1939-6-9 3611 Modoc near Cedarville Comment
  HSC25974  Viola purpurea subsp. mohavensis D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19322 Modoc Soup Springs Campground Comment
  CAS-BOT-BC245296  Viola purpurea subsp. venosa Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6465 Modoc Vicinity of Emerson Campground, E side of Warner Mountains. 1770 Comment
  CAS-BOT-BC245306  Viola purpurea subsp. venosa Milo Samuel Baker 1949-4-30 12096 Modoc Near Indian School Reservoir, Ft. Bidwell. Comment
  CAS-BOT-BC245311  Viola purpurea subsp. venosa Bruce Bartholomew; Barrett Anderson 1988-5-12 4090 Modoc 4 km NW of White Horse. 1350 Comment
  CAS-BOT-BC245281  Viola sororia subsp. affinis Francis Dorris Payne 1935-7-1 794 Modoc Parker Creek at mouth of Dry Creek. Comment
  JEPS6022  Viola sororia subsp. affinis Frances D. Payne 1932-5-12 393 Modoc Jess Valley; Warner Mountains, Jess Valley Comment
  UCD93445  Vulpia bromoides A. A. Beetle 1941-6-29 2833 Modoc near summit of Mt. Adin. 1828 Comment
  UC1024857  Vulpia microstachys var. pauciflora Leo Whitney 1935-6-1 3176 Modoc White Horse Comment
  RSA165503  Woodsia oregana Clare B. Hardham 1961-6-19 7845 Modoc Willow Creek. Comment
  CAS-BOT-BC54202  Wyethia mollis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 121 Modoc Above Parker Creek, Modoc National Forest 2133 Comment
  CAS-BOT-BC54203  Wyethia mollis Bruce Bartholomew; Barrett Anderson 1988-5-12 4129 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  CAS-BOT-BC54210  Wyethia mollis John Thomas Howell 1934-6-11 11946 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54215  Wyethia mollis E. S. Willits 1940-6-2 329 Modoc Fandango Pass. Comment
  RSA210791  Zannichellia palustris Robert F. Thorne, C. W. Tilforth, James Henrickson 1969-9-4 39102 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC242054  Zigadenus paniculatus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16409 Modoc Summit of Cedar Pass, along Cedar Pass road to Cedarville. 1921 Comment
  HSC30071  Zigadenus paniculatus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19415 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  JEPS62277  Zigadenus paniculatus Leland S. Smith 1918-5-25 928 Modoc Buck Creek Ranger Station Modoc National Forest 1524 Comment
  RSA304224  Zigadenus paniculatus James R. Shevock 1972-5-20 1805 Modoc N of Alturas, Hwy 299. 1372 Comment



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