Search Results — 2000 specimen records retrieved (1501 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET5512253  Achillea lanulosa J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  CAS-BOT-BC15669  Achillea millefolium Leland S. Smith 1922-7-20 1299 Modoc Rush Creek Ranger Station. 1905 Comment
  CAS-BOT-BC15672  Achillea millefolium Bruce Bartholomew 1989-8-11 5098 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  UC1025068  Achnatherum Leo Whitney 1935-7-25 3548 Modoc near Lava Ranger Station (7 mi ne of Whitehorse) Comment
  CAS-BOT-BC242281  Achnatherum hymenoides Bruce Bartholomew 1993-6-13 6631 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  UCD32688  Achnatherum lemmonii Beecher Crampton 1954-7-6 2100 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UC1037183  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-8-9 3602 Modoc 17 mi nw Canby (Badger Wells; USBE Plot-- MC--8) Comment
  UC1024940  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-3 3332 Modoc 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UCD32696  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2112 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  POM203131  Achnatherum thurberianum J. T. Howell 1934-6-30 12273 Modoc Duncan Horse Camp. Comment
  UC1031374  Achnatherum thurberianum L. D. Whitney 1935-7-2 3333 Modoc ca. 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UCD51428  Achnatherum thurberianum Beecher Crampton; Carl Rimbey 1954-7-7 2146 Modoc East side of Cedar Pass, Warner Mountains, 3 miles west of Cedarville. Comment
  CHSC99901  Acmispon americanus var. americanus Lowell Ahart; John Dittes 2008-8-25 15302 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UC465629  Aconitum Mrs. M. H. Manning 1907-1 Modoc e. side Mt. Bidwell (12 Mile Creek); n.e. Modoc Co., 12 Mile Creek Comment
  UC71877  Actaea rubra Mrs. M. H. Manning August, 1903 120 Modoc n.e. Modoc Co. 1432 Comment
  CAS-BOT-BC218323  Adonis aestivalis Mrs. H. C. Cantelow 1949-6-12 s.n. Modoc About 1 mi. W of Canby. Comment
  JEPS94590  Adonis aestivalis Vernon H. Oswald, Beth Corbin and Gary Schoolcraft 1993-5-17 8463 Modoc Bushey Rd. on n side of river s Canby Bridge; Pit River 1280 Comment
  UCD95445  Adonis aestivalis L. K. Mann; Patricia Mann 1963-6-19 s.n. Modoc 1-2 miles southwest of Canby, U.S. Highway 299. Comment
  CHSC23445  Agastache parvifolia K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5831 Modoc Ca 0.5 mi w of w margin of Egg Lake. 1295 Comment
  UC26065  Agastache parvifolia Milo S. Baker 1893-6 Modoc Egg Lake Shore; on Egg Lake Shore Comment
  UC26073  Agastache parvifolia Milo S. Baker 1893-6 Modoc Egg Lake Shore; on Egg Lake Shore Comment
  CAS-BOT-BC179882  Agastache urticifolia Bruce Bartholomew 1991-7-6 5979 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  CAS-BOT-BC179890  Agastache urticifolia Annie Montague Alexander; L. Kellogg 1946-7-3 4905 Modoc Bidwell Creek Canyon, near Fort Bidwell. 1414 Comment
  HSC81097  Agastache urticifolia G. M. Riegel 1980-7-23 927 Modoc S Warner Mtns. 2100 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
  HSC67885  Ageratina occidentalis J. P. Smith, J. O. Sawyer 1973-8-9 7256 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  JEPS71356  Ageratina occidentalis L. R. Heckard, R. Bacigalupi and T. I. Chuang 1973-7-29 3460 Modoc 3.5 mi n of (e of summit) Cedar Pass ( summit of Old Cannon Mill road, e side of Warner Mts.); Warner Mts. 2072 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-BC21365  Agoseris aurantiaca var. aurantiaca Annie M. Alexander; Louise Kellogg 1946-7-23 5040 Modoc Emerson Peak, Warner Mountains Comment
  SD46772  Agoseris glauca Robert J. Weatherby 1955-7-8 1617 Modoc 7 miles north of Ft. Bidwell, northern Warner Mountains. 1875 Comment
  UC76010  Agoseris heterophylla var. heterophylla Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC1332115  Agoseris parviflora Alice Eastwood and John Thomas Howell 1940-6-11 8029 Modoc 8 mi from, on rd to Alturas Canby Comment
  JEPS36389  Agoseris retrorsa Milo S. Baker 1893-7-12 Modoc South Hillside Comment
  RSA183180  Agrostis Delzie Demaree 1959-8-15 41490 Modoc Davis Creek botoms. Common on creek banks. P.O. Alturas 1454 Comment
  HSC8787  Agrostis exarata M. T. Milligan 1966-7-26 585 Modoc N end Jess Valley 1616 Comment
  JEPS68387  Agrostis exarata L. S. Smith 1917-7-27 124 Modoc Joseph Creek Warner Mts. 1584 Comment
  UCD52381  Agrostis exarata August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  UCD53170  Agrostis pallens L. Whitney 1935-7-5 s.n. Modoc Hackamore Reservoir. Comment
  UC53473  Agrostis scabra M. S. Baker and F. Nutting 1894-8-25 Modoc near Forestdale 1371 Comment
  CAS-BOT-BC242419  Agrostis stolonifera Bruce Bartholomew 1989-8-11 5069 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  UCD53491  Agrostis stolonifera L. D. Whitney 1935-7-20 s.n. Modoc Pit River, Alturas. Comment
  UCD53576  Agrostis stolonifera August L. Hormay 1932-7-15 s.n. Modoc Pease Cabin, Modoc National Forest. Comment
  CAS-BOT-BC190685  Aliciella lottiae Bruce Bartholomew 1991-5-24 5701 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  UCD137903  Alisma gramineum Herbert L. Mason 1955-8-13 14653 A Modoc southwest side of Goose Lake. Comment
  UC1036060  Alisma plantago-aquatica Annie M. Alexander and Louise Kellogg 1946-6-3 4906 Modoc Fort Bidwell 1444 Comment
  RSA210815  Alisma triviale Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39106 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC445447  Alisma triviale Robert F. Thorne; C. W. Tilforth 1969-9-4 39056 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1432 Comment
  CAS-BOT-BC245015  Allium acuminatum John Thomas Howell 1934-6-11 11956 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC245021  Allium acuminatum John Thomas Howell 1934-6-11 11956 Modoc Parker Creek. 1584 Comment
  SBBG22414  Allium acuminatum C. B. Hardham 1961-6-18 7566 Modoc E side of Cedar Pass 1524 Comment
Read comments
Jan 30 2008
  UC1540229  Allium acuminatum Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9103 Modoc along Highway 395 about 3.5 mi n n junction with Highway 299 1371 Comment
  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
  HSC30076  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19428 Modoc Hager Reservoir Comment
  JEPS2714 Image available Allium fimbriatum var. fimbriatum Mrs. R. M. Austin 1894-5-1 Modoc Goose Lake Valley Comment
  CAS-BOT-BC244986  Allium lemmonii Bruce Bartholomew; Barrett Anderson 1989-6-3 4908 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC244989  Allium lemmonii Elmer Ivan Applegate 1936-5-20 10329 Modoc Near Timbered Mountain. Comment
  JEPS114943  Allium lemmonii Lowell Ahart, John Dittes 2008-6-21 15013 Modoc South of a large pond, south of a large levee, in Big Valley, about 4.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.6 miles (air) northeast of Bieber 1266 Comment
  JEPS47576  Allium lemmonii L. S. Smith 1929-6-19 1130 Modoc Patterson Hill Modoc Forest, Patterson Hill 2194 Comment
  CAS-BOT-BC244980  Allium parvum Bruce Bartholomew; Barrett Anderson 1989-6-1 4771 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  SBBG859  Allium parvum H. and M. Dearing 1939-6-9 3634 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  CAS-BOT-BC244961  Allium platycaule K. Paulson; Robert Paulson 1988-5-24 14 Modoc Granger Canyon, Warner Mts.. 1554 Comment
  CAS-BOT-BC244975  Allium platycaule Isabelo T. Kelly 1930-1-1 70 Modoc Buck Creek. Comment
  RSA367110  Allium platycaule Christopher Davidson 1975-6-4 2590 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  UC843416  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 mi ne Alturas 1615 Comment
  JEPS47622  Allium platycaule E. H. Stiffen 1917-7-10 74 Modoc Bowman ranch Warner Mts., Bowman ranch 1828 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
  SEINET256832  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek road. 2073 Comment
  UC3103  Allium platycaule Mrs. R. M. Austin and Bruce July 1898 2227 Modoc Hugh Mts. Warner range, Hugh Mts. Comment
  SEINET198607  Allium siskiyouense Annie M. Alexander, L Kellogg 1946-6-26 4835 Modoc Dismal Swamp N end of Warner Mtns 2256 Comment
  CAS-BOT-BC244948  Allium tolmiei var. tolmiei Bruce Bartholomew; Barrett Anderson 1989-6-3 4894 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CHSC117801  Allium tolmiei var. tolmiei L. P. Janeway 2016-5-16 11971 Modoc Modoc Plateu. Devil's Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC109735  Allium validum B. Castro; L. P. Janeway 2012-7-27 1974 Modoc Warner Mountains. North-sloping meadow opening just above Mineral Spring, 0.,3 air mi east of Yellow Mountain. Meadow surrounded by tall lodgepole pine forest; on E side of road. 2350 Comment
  CAS-BOT-BC190746  Allophyllum gilioides subsp. gilioides Bruce Bartholomew 1995-6-22 6983 Modoc Between Day and Lookout, 17.0 km W of Day on County Road 94. 1280 Comment
  RSA603009  Alopecurus aequalis L. C. Wheeler 1935-10-6 4026 Modoc Lily Lake. Pine Creek, Warner Mts. 2073 Comment
  UC1100229  Alopecurus aequalis Verne Grant and Irving Schneider 1947-7-19 8082 Modoc Williams Ranch n. of Likely Comment
  UC1158679  Alopecurus aequalis Arthur Cronquist and Arthur H. Holmgren 1959-6-19 8492 Modoc 15 mi. e. Likely (along shore of Clear Lake); Warner Mts., Clear Lake 1828 Comment
  CHSC110902  Alopecurus carolinianus Lowell Ahart; John Dittes 2012-7-12 1357 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. 1266 Comment
  CAS-BOT-BC242335  Alopecurus geniculatus Bruce Bartholomew 1990-6-17 5307 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CHSC85101  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; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  JEPS120881  Alopecurus pratensis Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18768 Modoc About 100 yards NE of the Parking Area, NE of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber, Big Valley. Comment
  UC1024962  Alopecurus saccatus Leo Whitney 1935-7-12 3449 Modoc ca. 15 mi. n.w. Canby (Lake Joaquina); Modoc Nat'l Forest, Hackamore, Lake Joaquina 1463 Comment
  RSA477427  Alyssum desertorum Christopher Davidson 1973-5-26 2117 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC58604  Alyssum simplex James Vale 1981-5-21 Modoc Alturas. Comment
  CAS-BOT-BC21495  Amaranthus albus Bruce Bartholomew 1990-8-3 5602 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CDA36738  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. Comment
  JEPS117299  Amaranthus californicus Lowell Ahart, John Dittes 2010-8-31 17106 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  JEPS114664  Amaranthus powellii Lowell Ahart, John Dittes 2008-8-25 15290 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  HSC18538  Amelanchier alnifolia var. semiintegrifolia M. T. Milligan 1967-6-15 656 Modoc E of Jess Valley 1707 Comment
  CAS-BOT-BC217091  Amelanchier utahensis Bruce Bartholomew; Mona Bourell 1990-4-28 5207 Modoc 6.3 km SE of Rush Creek on road to Hunters Ridge. 1670 Comment
  UC12109  Amelanchier utahensis Mrs. R. M. Austin and Bruce Jul 1898 2343 Modoc Mt. Bidwell 2438 Comment
  UCD48753  Amphiscirpus nevadensis Louis C. Wheeler 1935-9-4 3944 Modoc McGinty Point, Goose Lake, Modoc. Co. 1463 Comment
  HSC3507  Amsinckia intermedia M. T. Milligan 1964-6-20 73 Modoc 1 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  CAS-BOT-BC54151  Amsinckia menziesii Annie Montague Alexander; L. Kellogg 1946-6-12 4727 Modoc 1 mi. E of Lake City. 1414 Comment
  CAS-BOT-BC54199  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1940-6-13 8108 Modoc Surprise Valley. Comment
  UC1191835  Amsinckia menziesii var. menziesii Verne Grant, Irving Schneider 1947-7-18 8044 Modoc 5 mi n Bayley's Bridge (s of Alturas); Eastside Canal Comment
  CAS-BOT-BC54167  Amsinckia tessellata var. tessellata Elmer Ivan Applegate 1897-5-31 883 Modoc Bloody Point, Tule Lake. Comment
  CAS-BOT-BC218331  Anemone Francis Dorris Payne 1931-6-29 285 Modoc E side of Mt. Warren, Warner Mts. Comment
  UC1567367  Anemone drummondii G. Schoolcraft 1989-7-16 1961 Modoc e. Patterson Lake; Warner Mts. 2804 Comment
  UCR34692  Antennaria J. A. Harpel 1981-8-6 V- 33 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC15613  Antennaria argentea Milo Samuel Baker 1893-7-6 s.n. Modoc Pine timber, hillside. Comment
  RSA503242  Antennaria argentea Bruce Bartholomew, B. Anderson 1988-7-22 4535 Modoc Mill Creek, Lake City Canyon, 5.5km W of Lake City, E side of the Warner Mtns. 1860 Comment
  CAS-BOT-BC15623  Antennaria dimorpha Mrs. H. C. Cantelow 1941-5-23 3510 Modoc 2 mi. W of Adin summit on Hwy 299, E of Bieber. Comment
  OBI47986  Antennaria dimorpha Rhonda Riggins 1989-4-28 1670 Modoc 6.9 mi N of Hwy 395 E of Alturas on road to Raker and Thomas Reservoir (continuation of Pencil Rd) 1524 Comment
  CAS-BOT-BC15588  Antennaria geyeri John Thomas Howell 1934-6-30 12255 Modoc Duncan Horse Camp. 1355 Comment
  JEPS14940  Antennaria geyeri L. S. Smith 1924-1-1 1407 Modoc Comment
  CAS-BOT-BC15590  Antennaria luzuloides Mrs. H. C. Cantelow 1940-6-1 3236 Modoc Cedar Pass. Comment
  CAS-BOT-BC15592  Antennaria luzuloides Bruce Bartholomew; Barrett Anderson 1988-6-24 4361 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  CAS-BOT-BC15554  Antennaria luzuloides John H. Hatton 1911-6-14 90 Modoc Pit River Ranger Station. 1295 Comment
  UC1302430  Antennaria luzuloides Clare B. Hardham 1961-6-18 7556 Modoc hills 3 mi se Cedar Pass; Warner Mountains Comment
  UC748163  Antennaria rosea Annie M. Alexander and Louise Kellogg 1946-7-11 4973 Modoc w of Eight Mile Creek Comment
  CAS-BOT-BC15564  Antennaria umbrinella Robert Patterson; Mona Bourell 1993-8-15 5278 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  RSA181182  Apera interrupta P. H. Raven, Otto T. Solbrig 1958-6-17 s.n. Modoc Along United States, Highway 299, 2.6 miles west of Alturas. Comment
  UC105500  Apocynum androsaemifolium Mrs. R. M. Austin August 1894 Modoc Lassen Creek Comment
  UC22911  Apocynum androsaemifolium Mrs. R. M. Austin Aug. 1894 Modoc Lassen Creek Comment
  UC748274  Apocynum androsaemifolium Annie M. Alexander and Louise Kellogg 1946-6-28 4867 Modoc n. end Warner Mts., Pine Creek Canyon 1615 Comment
  HSC3214  Apocynum androsaemifolium M. T. Milligan 1964-7-1 110 Modoc Ballard's Resvr. Rd. 3 mi. E of Modoc Co. Rd. 54. 1372 Comment
  CAS-BOT-BC15697  Apocynum cannabinum R. M. Austin 1898-7-1 2336 Modoc Lake shore. Comment
  UC748392  Aquilegia formosa Annie M. Alexander and Louise Kellogg 1946-7-7 4944 Modoc edge of Eight Mile Creek 1752 Comment
  CAS-BOT-BC218340  Aquilegia formosa var. formosa Leland S. Smith 1920-7-13 1176 Modoc Grizzley's. 1554 Comment
  NY114572  Arabis holboellii var. pendulocarpa R. C. Rollins 1981-6-1 81194 Modoc Warner Mtns., ca. 2 miles N of summit of road between Lake City and U.S. Hwy. 395 Comment
  SEINET5340313  Arabis holboellii var. pinetorum E. K. Balls 1950-5-14 14691 Modoc .2m. south boundary Modoc National Forest, trail from Alturas to Thomas Reservoir. 1524 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
  NY119572  Arabis sparsiflora G. Schoolcraft 1981-5-6 380 Modoc Northeast of Alturas 1554.5 Comment
  CAS-BOT-BC95644  Arctostaphylos nevadensis Elmer Ivan Applegate 1932-7-9 7571 Modoc N slope of Bidwell Mt. Comment
  CAS-BOT-BC95653  Arctostaphylos patula Bruce Bartholomew; Barrett Anderson 1988-5-12 4093 Modoc 4 km NW of White Horse. 1350 Comment
  UC585238  Arenaria aculeata E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1817 Modoc about 3 mi w Cedarville; Warner Mountains,Cedar Creek Canyon 1524 Comment
  RSA298161  Arenaria aculeata J. P. Smith, J. O. Sawyer 1973-8-8 7232 Modoc At or near the summit of Eagle Peak 2988 Comment
  RSA531334  Arenaria aculeata Bruce Bartholomew 1990-6-15 5245 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  POM260469  Arenaria congesta var. simulans C. L. Hitchcock 1940-5-28 6723 Modoc near Surprise, ca. 15 miles north of Alturas 1402 Comment
  UC1584015  Arenaria congesta var. subcongesta G. Schoolcraft 1990-6-6 2079 Modoc About 10 mi n Alturas (S of Joseph Creek); Joseph Creek 1584 Comment
  SEINET3918773  Aristida adscensionis Leo Whitney 1935-8-19 3627 Modoc Rs-1, U.S.B.E.; 0 Comment
  UC748078  Arnica chamissonis Annie M. Alexander and Louise Kellogg 1946-7-7 4926 Modoc meadow near, (ne corner of county) Willows; Eight Mile Creek 1752 Comment
  CAS-BOT-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-BC15411  Arnica cordifolia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16442 Modoc Summit of Cedar Pass. 1920 Comment
  CAS-BOT-BC15417  Arnica cordifolia Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mtns. at the summit. E. of Alturas Comment
  CAS-BOT-BC15421  Arnica cordifolia Clare Butterworth Hardham 1961-6-18 7587 Modoc Cedar Pass. 1828 Comment
  POM203854  Arnica cordifolia J. T. Howell 1934-6-13 12064 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  SJSU5434  Arnica cordifolia H. L. Buckalew 1961-6-21 Modoc Stough Reservoir, Warner Mts 1981 Comment
  UC1437361  Arnica cordifolia Clare B. Hardham 1961-6-18 7587 Modoc Cedar Pass; Warner Mountains 1828 Comment
  JEPS35925  Arnica cordifolia Frances D. Payne 1931-6-22 240 Modoc Dry Creek (n trib of Parker Creek), s and e of Alturas Warner Mountains, Parker Creek 1828 Comment
  UC71560  Arnica longifolia Mrs. M. H. Manning 1904-8-27 343 Modoc Mt. Bidwell Mt. Bidwell ((ne Modoc County)) Comment
  CAS-BOT-BC15287  Arnica mollis Annie Montague Alexander; L. Kellogg 1946-7-23 5055 Modoc NE of Emerson Peak. Comment
  CAS-BOT-BC15295  Arnica sororia Alice Eastwood; John Thomas Howell 1940-6-12 8088 Modoc Jess Valley. Comment
  CHSC107315  Arnica sororia Lowell Ahart; John Dittes 2011-6-21 17530 Modoc Moist meadow, on south edge of Ash Creek Floodplain, 1.8 miles (air) east of Elkins Lane, 1.2 miles (air) south of County Road 87, 2.5 miles (air) west of Adin, Big Valley. 1267 Comment
  HSC41114  Artemisia arbuscula subsp. arbuscula Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3261 Modoc Modoc National Forest; along Hwy. 299 just N west of Adin Pass 1524 Comment
  RSA210833  Artemisia arbuscula subsp. arbuscula R. F. Thorne, C. W. Tilforth, J. Henrickson 1969-9-4 39062 Modoc SW shore of Goose Lake N of McGinty Point 1448 Comment
  UC71739  Artemisia arbuscula subsp. arbuscula Mrs. M. H. Manning Modoc northeastern Modoc County Comment
  RSA608612  Artemisia cana L. C. Wheeler 1935-8-30 3931 Modoc Devil's Garden: Lakeshore Reservoir. 1524 Comment
  HSC100342  Artemisia cana subsp. bolanderi Chris Boever 2010-8-11 370115 Modoc North from Cedarville, CA to Fort Bidwell, 13 miles up the Lake Annie road, East side of road. 1602 Comment
  HSC4720  Artemisia douglasiana M. T. Milligan 1966-8-12 651 Modoc East of Jess Valley 1646 Comment
  SEINET7153139 Image available Artemisia ludoviciana subsp. candicans G. Schoolcraft 1999-7-13 2865 Modoc 3 miles n. of Eagleville, CA Comment
  SEINET7153178 Image available Artemisia ludoviciana subsp. incompta R. R. Halse 2006-8-4 6994 Modoc Patterson Station Campground, ca. 15 air miles east of Likely, south end of Warner Mountains. 2109 Comment
  CHSC105977  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; John Dittes 2010-8-30 17050 Modoc High bank of a small wash, about 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  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
  RSA767674  Artemisia ludoviciana subsp. ludoviciana L. Ahart, John Dittes 2010-8-30 17051 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  CDA19675  Artemisia tridentata G. D. Barbe 1991-8-27 4439 Modoc Modoc Plateau; Warner Mts 2316 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
  SEINET3397747  Artemisia tridentata subsp. tridentata Unknown 1994-1 s.n. Modoc Newell Comment
  SEINET3397746  Artemisia tridentata subsp. vaseyana Unknown 1994-1 s.n. Modoc N. of Lookout Comment
  CAS-BOT-BC15659  Asclepias fascicularis Margaret J. Williams 1985-8-13 85- 66 -1 Modoc Big Sage Reservoir. 1524 Comment
  SEINET195716  Asclepias fascicularis Annie M. Alexander, Louise Kellogg 1946-7-7 4922 Modoc Lake Annie. Comment
  UC748423  Asclepias fascicularis Annie M. Alexander and Louise Kellogg 1946-7-7 4922 Modoc Lake Annie Comment
  JEPS49885  Asclepias fascicularis Frances D. Payne 1931-7-5 327 A Modoc about 3 mi n Parker Creek (Fern Spring Gulch, s and e of Alturas); Warner Mountains 1828 Comment
  CAS-BOT-BC54174  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
  POM39757  Aster ascendens Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CDA13470  Aster campestris G. F. Hrusa, T. D. Wilfred 1996-7-21 13317 Modoc Modoc Plateau; Along Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  RSA415789  Astragalus californicus Christopher Davidson 1975-6-4 2627 Modoc Canby Bridge across Pit R., ca. 4 mi. S of Canby on Hwy 299. 1341 Comment
  HSC14555  Astragalus curvicarpus M. T. Milligan 1964-6-20 50 Modoc 10th St., E Alturas. 1372 Comment
  RSA0029192  Astragalus curvicarpus John F. Emmel 1997-6-8 1492 Modoc Along Hwy 395 ca. 5.5 road mi south of Alturas, 0.6 road mi south of highway crossing of South Fork Pit River. 1341 Comment
  CAS-BOT-BC177859  Astragalus curvicarpus var. curvicarpus Alice Eastwood; John Thomas Howell 1940-6-11 8024 Modoc 8 miles from Canby on road to Alturas Comment
  CHSC99288  Astragalus curvicarpus var. curvicarpus Lowell Ahart; John Dittes 2008-6-20 14976 Modoc Upland on the northeast side of Big Valley, about 5.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 8.3 miles (air) northeast of Bieber. 1287 Comment
  NY803532  Astragalus curvicarpus var. curvicarpus M. J. Williams 1984-6-29 84- 74 --1 Modoc 4.8 miles in on Fandango Pass road from Highway 395 1524 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
  JEPS54661  Astragalus filipes Mrs. R. M. Austin and Mrs. C. C. Bruce June 1898 Modoc Goose Lake , valley plains Comment
  NY658508  Astragalus filipes W. P. Taylor 1910-6-10 s.n. Modoc Warner Mts.,among sage, on South Fork Pitt River, Alturas 1402.1 Comment
  RSA271940  Astragalus filipes Christopher Davidson 1975-6-4 2627 Modoc Canby Bridge across Pit R., ca. 4 mi. S of Canby on Hwy 299. 1341 Comment
  SBBG3187  Astragalus filipes H. and M. Dearing 1939-6-7 3581 Modoc near Alturas Comment
  UCR42407  Astragalus filipes G. R. Ballmer 1986-5-17 s.n. Modoc Along Hwy 139 from Klamath Falls to Alturas, east of Lava Beds National Monument, 9 mi. north of Perez. 1280 Comment
  CAS-BOT-BC182068  Astragalus filipes Mrs. H. C. Cantelow 1940-5-31 3797 Modoc E of Canby. Comment
  RSA415802  Astragalus filipes Christopher Davidson 1973-5-24 2106 Modoc S of Alturas on County Rd 63 off Hwy 395 near Likely. 1311 Comment
  SEINET948297  Astragalus filipes Ira L. Wiggins 1967-1 16433 Modoc South-facing slope 4 miles E of summit of Cedar Pass, between Alturas and Caderville Comment
  UCD150428  Astragalus filipes Harry A. George 1966-6-2 s.n. Modoc Davis Creek, Lakeside Ranch. Comment
  POM24786  Astragalus gibbsii R. M. Austin 1895-07 47 Modoc Goose Lake Comment
  UC13460  Astragalus obscurus Mrs. R. M. Austin June 1894 Modoc banks of Ewing Creek above Goose Lake; above Goose Lake, Ewing Creek 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-BC182028  Astragalus purshii L. A. M. Black 1893-7-1 83 Modoc Davis Creek. Comment
  CAS-BOT-BC182039  Astragalus purshii Bruce Bartholomew 1991-6-22 5868 Modoc E side of the Pit River, ca. 2 km S of Joseph Creek. 1410 Comment
  CAS-BOT-BC182041  Astragalus purshii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6540 Modoc Just W of West Valley Reservoir. 1460 Comment
  CAS-BOT-BC193031  Astragalus purshii var. tinctus Mrs. Austin 1895-5-1 2 Modoc Goose Lake Valley Comment
  UC1036002  Astragalus purshii var. tinctus Helen K. Sharsmith 1955-6-22 4483 Modoc just n Cedar Pass (on exposed, steep slope); Modoc National Forest, Warner Mountains 1889 Comment
  POM26817  Astragalus whitneyi R. M. Austin 1895-05 31 Modoc Goose Lake Valley. Comment
  UC13370  Astragalus whitneyi Mrs. R. M. Austin and Bruce June 1898 2209 Modoc Foothills Comment
  RSA163835  Astragalus whitneyi var. confusus Clare B. Hardham 1961-6-18 7578 Modoc Mtns S of Cedar Pass. 1982 Comment
  RSA0006885  Astragalus whitneyi var. confusus H. D. Ripley, R. C. Barneby 1944-5-31 5992 Modoc NW of Alturas. 1372 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-BC182007  Astragalus whitneyi var. lenophyllus R. M. Austin 1895-5-1 31 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC198675  Astragalus whitneyi var. whitneyi John Thomas Howell 1934-6-14 12142 Modoc Near Lost Lake, Warnter Mts. 2438 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
  RSA59645  Athysanus pusillus E. K. Balls 1950-5-12 12648 Modoc Hillsides N of Bucks Creek Ranger Station; Modoc National Forest; east of Goose Lake. Comment
  UC10230  Athysanus pusillus Mrs. R. M. Austin june, 1894 Modoc Comment
  RSA520370  Atriplex confertifolia Bruce Bartholomew, B. Anderson 1989-4-29 4707 Modoc SW corner of Lower Lake, 1.8 km N of the Lassen County line, Surprise Valley. 1370 Comment
  CAS-BOT-BC95509  Atriplex rosea Mary DeDecker 1974-10-28 3710 Modoc Just S of Alturas along Highway 395. 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
  UC30523  Balsamorhiza M. S. Baker and Frank Nutting 1894-6-13 Modoc near Egg Lake Comment
  UC1536834  Balsamorhiza hookeri G. H. True Jr. 1937-5-26 954 Modoc Adin Summit 1524 Comment
  RSA488039  Balsamorhiza hookeri var. lagocephala Bruce Bartholomew, B. Anderson 1988-5-12 4130 Modoc 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  UC71588  Balsamorhiza sagittata Mrs. M. H. Manning 1903-5-1 113 Modoc near Fort Bidwell Comment
  CAS-BOT-BC15134  Balsamorhiza sagittata John H. Hatton 1911-6-10 15 Modoc Modoc National Forest 1767 Comment
  HSC5182  Balsamorhiza sagittata R. C. Wunner 1965-6-20 224 Modoc California Lava Beds National Monument; Indian Well near main residence area 1433 Comment
  RSA149085  Balsamorhiza sagittata Dorothy Wiggins 1961-6-15 16502 Modoc 22 miles W of Canby along Hwy 139 Comment
  CAS-BOT-BC15140  Balsamorhiza serrata Edward Kent Balls 1950-5-13 14672 Modoc W side of Goose Lake, 0.2 mi S of Oregon-California State Line. 1463 Comment
  CAS-BOT-BC15142  Balsamorhiza serrata Bruce Bartholomew; Barrett Anderson 1989-4-29 4681 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC58630  Barbarea orthoceras Betty J. Hammerly 1941-6-20 32 Modoc Just beyond Clear Lake. 1767 Comment
  CAS-BOT-BC58675  Barbarea orthoceras Annie Montague Alexander; L. Kellogg 1946-6-22 4818 Modoc Edge of Bidwell Creek, Warner Mts. Comment
  JEPS53241  Barbarea orthoceras Frances D. Payne 1931-6-25 252 Modoc 2 mi sw Warren Mt. (se Modoc County); Pine Creek Basin 2316 Comment
  UC615247  Barbarea orthoceras Beryl O. Schreiber 1934-6-10 1163 Modoc Lost Lake; Warner Mountains Comment
  RSA554804  Barbarea vulgaris Margaret J. Williams, Thad Holcomb, Betty Holcomb, Lois Saxton 1988-5-28 88- 21 -1 Modoc Crowder Flat road, W of Alturas. Road leads to Devil s Garden and Big Sage Reservoir and is near Hwy 299. Comment
  NY529207  Bassia hyssopifolia B. M. Bartholomew 1989-8-11 5082 Modoc Sand Creek, Surprise Valley, 5 km west of Nevada border on State Highway 299. 1400 Comment
  CHSC85109  Beckmannia syzigachne John Dittes; Josephine Guardino 1991-8-23 450 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 along drainage at southern edge of Ash Creek Floodplain. 1271 Comment
  CDA31542  Beckmannia syzigachne G. D. Barbe, John Kelley 1988-7-2 4298 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  UC472305  Berberis aquifolium var. repens Belknap C. Goldsmith 1911-6-15 Modoc N Fork Davis Creek, w slope of Warner Mts N Fork Davis Creek; Modoc Forest, Warner Mts Comment
Read comments
Nov 27 2011
  CAS-BOT-BC21487  Berula erecta Bruce Bartholomew 1991-10-13 6122 Modoc Just N of Surprise Valley Mineral Hot Springs, ca. 8 km W of Cedarville, Surprise Valley. 1320 Comment
  JEPS58648  Betula glandulosa Frances D. Payne 1931-6-29 292 Modoc marshy ground at head Cottonwood Creek (e slope of mt); Warner Mountains, Mt. Warren 2286 Comment
  UCD129551  Bidens cernua Herbert L. Mason; Verne Grant 1947-7-12 13431 Modoc south loop of west side road, north of Likely. Comment
  CAS-BOT-BC218110  Bistorta bistortoides P. Monnet 1913-7-1 907 Modoc Warner's Range. 2438 Comment
  CAS-BOT-BC218116  Bistorta bistortoides Bruce Bartholomew; Barrett Anderson 1988-7-22 4545 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC218119  Bistorta bistortoides Bruce Bartholomew 1994-7-3 6837 Modoc Edge of Dismal Swamp, N end of Warner Mountains. 2180 Comment
  HSC17476  Bistorta bistortoides M. T. Milligan 1966-7-3 538 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC15117  Blepharipappus scaber Bruce Bartholomew 1993-6-14 6652 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  CAS-BOT-BC15121  Blepharipappus scaber John Thomas Howell 1934-6-12 11997 Modoc 6 mi. S of Davis Creek. Comment
  CHSC115499  Blepharipappus scaber L. P. Janeway 2014-7-8 11454 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 west edge of Goose Lake). 1650 Comment
  HSC28524  Blepharipappus scaber D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19388 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC894097  Blepharipappus scaber C. L. Hitchcock 1940-5-27 6670 Modoc 15 mi ne of Alturas 1615 Comment
  RSA603853  Blepharipappus scaber L. C. Wheeler 1935-8-6 3795 Modoc Edge of mountains, 1/4 mile east Pine Creek (town), Warner Mountains. 1585 Comment
  SEINET3146118  Blepharipappus scaber L. S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  SJSU8832  Blepharipappus scaber R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  UC468912  Blepharipappus scaber M. F. Gilman 653 Modoc 5000 ft Comment
  SEINET8734689 Image available Blepharipappus scaber var. scaber Margaret J. Williams 1984-1 84- 84 -4 Modoc NW of Alturas, 2.1 mi N of Hwy on the Crowder Flat road 1372 Comment
  CAS-BOT-BC15785  Boechera Alice Eastwood; John Thomas Howell 1940-6-14 8235 Modoc Near Hackamore. Comment
  RSA0125907  Boechera Clare B. Hardham 1961-6-19 7591 Modoc Davis Creek; Warner Mountains. 2134 Comment
  CAS-BOT-BC58644  Boechera divaricarpa Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10516 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  UC748071  Boechera lemmonii Annie M. Alexander and Louise Kellogg 1946-7-30 5095 Modoc e slope below summit Eagle Peak; Warner Mountains Comment
  CAS-BOT-BC95729  Boechera pauciflora Milo Samuel Baker; Franklin P. Nutting 1894-1-1 Modoc Near Egg Lake. Comment
  CAS-BOT-BC95732  Boechera pauciflora Mrs. H. C. Cantelow 1940-6-1 3747 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95736  Boechera pauciflora Gordon H. True 1964-6-3 1433 Modoc No. Fork Pit River between Alturas & Goose Lake. 1432 Comment
  RSA0049640  Boechera pauciflora Dean Wm. Taylor 2012-6-19 21248 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest 1463 Comment
  CAS-BOT-BC14095  Boechera pauciflora B. Bartholomew; B. Anderson 1988-7-21 4464 Modoc Vicinty of Patterson Campground, southern end of Warner Mountains. 2190 Comment
  JEPS53130  Boechera platysperma W. L. Jepson 1918-8-13 7973 Modoc Summit, Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  CAS-BOT-BC25526  Boechera retrofracta Clare B. Hardham 1961-6-19 7591 Modoc Warner Mountains. Davis Creek. 2133 Comment
  CAS-BOT-BC58292  Boechera retrofracta Betty J. Hammerly 1941-6-20 40 Modoc Between Mill Creek Public Camp and Clear Lake. Comment
  CHSC67092  Boechera retrofracta James D. Jokerst 1987-5-12 2846 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  CAS-BOT-BC25700  Boechera sparsiflora Mrs. H. C. Cantelow 1940-6-2 s.n. Modoc 1.7 mile west of Alturas, Klamath Falls Highway on road to Lava Beds National Monument. Comment
  CAS-BOT-BC25702  Boechera sparsiflora John Thomas Howell 1934-6-14 12138 Modoc Warner Mountains. Near Lost Lake. 2438 Comment
  SBBG2381  Boechera sparsiflora H. and M. Dearing 1939-6-8 3603 Modoc Lily Lake, Warner Mtns 1828 Comment
  CAS-BOT-BC25897  Boechera subpinnatifida B. Bartholomew; M. Gilbert; L. Skog 1993-5-13 6548 Modoc 8 km. east of Likely along South Fork of Pit RIver. 1380 Comment
  RSA323624  Boisduvalia macrantha Arnold Tiehm 1984-6-30 8836 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1845 Comment
  UCD57370  Briza maxima Gerald Dickinson 1963-7-16 106 Modoc 4 miles east of U. S. Highway 395. Above Middle Fork of Davis Creek. Plum Valley Campground. 1524 Comment
  CAS-BOT-BC482890  Brodiaea elegans subsp. elegans L. S. Smith 1926-6-7 1890 Modoc Tahoe Forest near Lake City 609 Comment
  UC1024679  Bromus briziformis Leo Whitney 1934-5-19 2169 Modoc Modoc National Forest, Timbered Mountian, Devil's Garden, ne portion of Modoc County Devil's Garden; Modoc National Forest, Timbered Mountian, Devil's Garden 1524 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-BC242470  Bromus hordeaceus John H. Hatton 1911-6-9 3 Modoc unspecified 1356 Comment
  HSC9249  Bromus hordeaceus M. T. Milligan 1964-6-6 2 Modoc N side of Dorris Reservoir along shore 1372 Comment
  UC1024321  Bromus hordeaceus Annie M. Alexander and Louise Kellogg 1946-6-18 4792 Modoc Patterson Mill-Silver Creek Roads Patterson Mill; , Silver Creek Roads 1828 Comment
  CAS-BOT-BC161573  Bromus suksdorfii L. S. Smith 1922-7-20 1277 Modoc Modoc Forest. Rush Creek Ranger Station in pasture. 1905 Comment
  CAS-BOT-BC242451  Bromus tectorum Bruce Bartholomew; Mona Bourell 1990-4-26 5166 Modoc Vicinity of Ostrom Point, N side of Pit River, 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  HSC9358  Bromus tectorum M. T. Milligan 1965-6-30 386 Modoc N end Jess Valley 1616 Comment
  RSA180227  Bromus tectorum Clare B. Hardham 1961-6-17 7524 Modoc Cedar Pass Camp Ground. Comment
  UC1024900  Bromus tectorum Leo Whitney 1935-5-21 3115 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UCD59852  Bromus tectorum August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Pease Cabin. Comment
  UCD60047  Bromus tectorum Beecher Crampton; Carl Rimbey 1954-7-6 2111 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  JEPS114833  Callitriche heterophylla var. bolanderi Lowell Ahart, John Dittes 2008-6-21 14983 Modoc In shallow water and stranded on mud, west end of a large culvert, west of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  CAS-BOT-BC248343  Callitriche palustris B. Bartholomew; H. Sun 2002-6-24 8826 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  CAS-BOT-BC30156  Calocedrus decurrens Leland S. Smith 1918-9-1 1059 Modoc Deep Creek Canyon. 1828 Comment
  CAS-BOT-BC85788  Calocedrus decurrens A. D. Borden 1911-8-9 s.n. Modoc Buck Creek Ranger Station S. of Shields Cr. Comment
  CHSC96338  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
  CAS-BOT-BC244933  Calochortus leichtlinii Elmer Ivan Applegate 1932-8-1 8004 Modoc Warren Peak. 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-BC242138  Calochortus macrocarpus K. Paulson; Robert Paulson 1988-7-13 79 Modoc Jess Valley Rd., 3 mi. E of Likely. 1371 Comment
  CAS-BOT-BC242143  Calochortus macrocarpus Elmer Ivan Applegate 1932-7-9 7621 Modoc Surprise Valley, 5 mi. S of Fort Bidwell. Comment
  SJSU10008  Calochortus macrocarpus H. L. Buckalew 1961-6-28 Modoc opposite Upper Lake in Surprise Valley NE of Fort Bidwell 1402 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
  UC465570  Caltha leptosepala Mrs. R. M. Austin July 1894 Modoc Lassen Creek Comment
  CAS-BOT-BC15051  Calycadenia fremontii Milo Samuel Baker 1899-8-16 s.n. Modoc Little Hot Spring Valley. Comment
  JEPS114378  Calycadenia fremontii Lowell Ahart, John Dittes 2008-8-26 15331 Modoc On the sides of County Road 85a, 287 feet east of County Road 91, 7.7 miles (air) north-northeast of Lookout 1303 Comment
  UC7767  Calyptridium umbellatum Milo S. Baker 1893-8-5 Modoc Medicine Lake 1828 Comment
  CAS-BOT-BC95581  Calystegia occidentalis subsp. occidentalis Francis Dorris Payne 1931-7-6 321 Modoc Warner Mts. Comment
  CAS-BOT-BC242126  Camassia quamash subsp. breviflora Elmer Ivan Applegate 1929-6-24 5897 Modoc Davis Creek. 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
  UC421788  Camassia quamash subsp. breviflora M. F. Gilman 615 Modoc California Comment
  CAS-BOT-BC58636  Camelina microcarpa Clare Butterworth Hardham 1961-6-18 7803 Modoc North Fork of Pitt River, 3.3 mi. SW of Cedar Pass turn off. Comment
  CHSC112405  Camelina microcarpa Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18757 Modoc On the north side of levee, about 100 yards north of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC85128  Camelina microcarpa John Dittes; Josephine Guardino 1991-6-1 345 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC191119  Camissonia boothii subsp. alyssoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6451 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  NY852076  Camissonia tanacetifolia B. M. Bartholomew 1988-5-13 4176 Modoc West side of Jess Valley on West Warner Road, west side of the Warner Mountains 1600 Comment
  CAS-BOT-BC160855  Camissonia tanacetifolia subsp. tanacetifolia Lillian Mott 1976-5-29 2 LM76 Modoc Big Sage Reservoir road, Devil's Garden, north of Alturas 1402 Comment
  CAS-BOT-BC191081  Camissonia tanacetifolia subsp. tanacetifolia Peter Hamilton Raven 1962-5-29 17893 Modoc 13 mi. NW of Canby. Comment
  RSA41242  Camissonia tanacetifolia subsp. tanacetifolia A. M. Alexander, Louise Kellogg 1946-6-10 4710 Modoc Snake Lake Comment
  RSA59542  Camissonia tanacetifolia subsp. tanacetifolia E. K. Balls 1950-5-10 14600 Modoc 1 mile E of Eagleville, between Middle and Lower Lakes. 1402 Comment
  CAS-BOT-BC95105  Campanula scabrella D. Showers 1978-8-8 4219 Modoc Near Patterson Lake. 2743 Comment
  UC10295  Capsella bursa-pastoris Milo S. Baker 1893-6-22 Modoc Comment
  RSA156697  Cardamine breweri Clare B. Hardham 1962-6-18 7568 Modoc Mountains S of Cedar Pass. Comment
  RSA0116208  Cardamine breweri C. L. Hitchcock 1940-5-27 6712 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC58428  Cardamine breweri var. breweri Alice Eastwood; John Thomas Howell 1940-6-13 8166 Modoc Cedarville. Comment
  CAS-BOT-BC58467  Cardamine breweri var. breweri Betty J. Hammerly 1941-6-20 33 Modoc Along bank of Clear Lake, S end of Warner Mts. Comment
  CAS-BOT-BC58474  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1989-6-3 4862 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CHSC100860  Carex abrupta L. P. Janeway; B. Castro 2008-8-17 9673 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. Near moist bed of small rocky drainage channel. On moist slope on the side of the drainage. 2372 Comment
  UC1024316  Carex abrupta Annie M. Alexander and Louise Kellogg 1946-6-14 4759 Modoc Patterson Mill road, Silver Creek branch 1828 Comment
  CAS-BOT-BC242373  Carex athrostachya Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-17 13305 Modoc Hwy 299, 2.6 mi W of Alturas. Comment
  CHSC109483  Carex athrostachya L. P. Janeway; B. Castro 2012-7-25 10982 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  UCD146975  Carex aurea Chuck Hughes 2012-9-13 346 Modoc Bear Mountain. 2005 Comment
  RSA252448  Carex diandra Robert F. Thorne, C. W. Tilforth 1969-9-5 39164 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  JEPS91022  Carex disperma Dean W. Taylor 1987-7-27 9118 Modoc Warner Mountains, Deep Creek in a meadow system in the upper creek watershed Deep Creek; Warner Mountains, Deep Creek 2194 Comment
  HSC48185  Carex douglasii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19424 Modoc Near Hager Reservoir Comment
  JEPS63611  Carex filifolia var. erostrata Leland S. Smith 1920-6-2 1160 1/2 Modoc Dismal Swamp, Mt. Bidwell Range 2133 Comment
  POM81337  Carex hassei Mrs. R. M. Austin 1895-07 491 Modoc Goose Lake Valley. Comment
  UC1736044  Carex heteroneura Dean W. Taylor 1989-8-4 10431 Modoc Warner Mountains; Emerson Creek, 0.5 miles upstream from the campground by trail. 1965 Comment
  UCD140433  Carex heteroneura L. S. Smith 1918-8-11 1018 Modoc Trail to Lost Lake. Comment
  SEINET10912940  Carex jonesii Louis C. Wheeler 1935-8-16 Wheeler 3877 Modoc Dismal Swamp, Twenty Mile Cr., Warner Mts. S31, T48N, R16E. 2225 Comment
  CHSC30637  Carex microptera NEH Prouty 1980-7-1 192 Modoc Modoc Nat. Forest. Along drainage running south from Bear Flat Pond into Soup Creek. 1798 Comment
  JEPS118471  Carex nebrascensis Lowell Ahart, John Dittes 2011-6-21 17522 Modoc About 30 yards west of the fence, meadow like area in uplands south of the big meadow, Ash Creek State Wildlife Area, about 1000 feet north of Lassen County Line, about 3.6 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC1024329  Carex nebrascensis Annie M. Alexander and Louise Kellogg 1946-7-7 4928 Modoc Eight Mile Creek 1752 Comment
  RSA364669  Carex nebrascensis A. M. Alexander, Louise Kellogg 1946-7-7 4928 Modoc Eight Mile Creek. Comment
  UC190427  Carex nebrascensis M. S. Baker and Frank Nutting 1894-6-4 Modoc Hot Spring Valley Comment
  CAS-BOT-BC245159  Carex pachystachya Roxana Stinchfield Ferris; R. Duthie 1919-6-15 150 Modoc Parker Creek near Modoc Nat. For. Boundary. Comment
  CAS-BOT-BC242357  Carex pellita Robert Folger Thorne; C. W. Tilforth 1969-9-4 39048 Modoc Along N Fork of Pit River, 11.8 mi. N of Alturas along Hwy 395. 1371 Comment
  CAS-BOT-BC242358  Carex pellita John Thomas Howell 1934-6-16 12207 Modoc Parker Creek. 1584 Comment
  UC826624  Carex pellita John Thomas Howell 1934-6-16 12207 Modoc Parker Creek Warner Mts. 1584 Comment
  CAS-BOT-BC245156  Carex praegracilis Herbert Louis Mason; Verne Grant 1947-8-13 13535 Modoc N side of F Reservoir, N of Canby. Comment
  CHSC108008  Carex praegracilis Lowell Ahart; John Dittes 2011-6-21 17511 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
  HSC96002  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-27 1165 Modoc Modoc National Forest, N end of Big Sage Reservoir, very near the road from Crowder Flat Rd. to Dead Horse Reservoir 1494 Comment
  POM313115  Carex praegracilis H. L. Mason, Verne Grant 1947-7-12 13439 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  CAS-BOT-BC118613  Carex raynoldsii Annie M. Alexander; Louise Kellogg 1946-6-30 4884 Modoc Highgrade, N end Warner Mts. Comment
  UC1736038  Carex raynoldsii Dean W. Taylor 1989-8-5 10469 Modoc North Emerson Lake; Warner Mountains Comment
  CHSC109638  Carex sheldonii Lowell Ahart; John Dittes 2012-7-10 18306 Modoc Along a deep drainage, northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS120116  Carex sheldonii Lowell Ahart, John Dittes 2012-7-10 18306 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC245150  Carex subfusca Bruce Bartholomew 1989-8-12 5115 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  POM203050  Carex subfusca J. T. Howell 1934-6-16 12208 Modoc Parker Creek, Warner Mountains. 1585 Comment
  CAS-BOT-BC242399  Carex utriculata Robert Folger Thorne; C. W. Tilforth 1969-7-5 39165 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC242396  Carex vesicaria Bruce Bartholomew; Barrett Anderson 1988-6-24 4334 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC242390  Carex whitneyi Leland S. Smith 1922-7-20 1285 Modoc Rush Creek Ranger Station. 1905 Comment
  CAS-BOT-BC180132  Castanopsis sempervirens Bruce Bartholomew 1991-6-20 5788 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  CAS-BOT-BC225984  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1932-7-9 7578 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC225987  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mountains 1935 Comment
  CAS-BOT-BC229816  Castilleja applegatei subsp. pinetorum K. Paulson; Robert Paulson 1988-6-29 57 Modoc Joseph Creek Basin, Warner Mts.. 1524 Comment
  HSC1973  Castilleja applegatei subsp. pinetorum M. T. Milligan 1966-6-28 483 Modoc Volcanic plateau W of Jess Valley. 1829 Comment
  HSC20536  Castilleja applegatei subsp. pinetorum M. T. Milligan 1964-6-17 38 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  JEPS17634  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5400 Modoc 3.0 mi e Patterson Ranger Station (s Warner Range); Warner Range, Modoc National Forest 2194 Comment
  JEPS27946  Castilleja applegatei subsp. pinetorum Frances D. Payne 1929-7-26 115 Modoc w base Warren Peak (in upper Pine Creek Basin); Warner Mountain Range, Pine Creek Basin 2133 Comment
  JEPS86309  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-7-5 983 Modoc near Highgrade Mine Comment
  RSA537507  Castilleja applegatei subsp. pinetorum Barbara J. Ertter 1988-6-18 7644 Modoc Adin Summit on Highway 299 N of Adin 1585 Comment
  UC199394  Castilleja applegatei subsp. pinetorum Franklin P. Nutting Modoc near Egg Lake Comment
  UC444824  Castilleja applegatei subsp. pinetorum Milo S. Baker Modoc Forestdale Comment
  UC199401  Castilleja applegatei subsp. pinetorum M. F. Gilman 559 Modoc 1524 Comment
Read comments
Jan 12 2007
  CAS-BOT-BC226005  Castilleja arachnoidea Clare Butterworth Hardham 1961-6-18 7811 Modoc Hills above Cedar Pass. Comment
  CAS-BOT-BC226011  Castilleja arachnoidea Bruce Bartholomew; Barrett Anderson 1988-7-22 4522 Modoc S end of Bearcamp Flat, southern end of Warner Mts.. 2230 Comment
  HSC80808  Castilleja arachnoidea G. M. Riegel 1979-7-28 611 Modoc South Warner Mts. 1829 Comment
  CAS-BOT-BC226025  Castilleja lacera K. Paulson; Robert Paulson 1989-7-18 200 Modoc Ca. 3.5 mi NE of Cedar Pass, E side of Warner Mts. 1673 Comment
  JEPS27952  Castilleja lacera Frances D. Payne 1932-6-10 632 Modoc Parker Creek, w slope of Warner Mountains Warner Mountains 1584 Comment
  JEPS17621  Castilleja lacera Rimo Bacigalupi with G. Thomas Robbins 1955-7-19 5382 Modoc edges of Soup Spring Meadow, s Warner Mountains Warner Mountains, Modoc National Forest, Soup Spring Meadow 2072 Comment
  JEPS86678  Castilleja lacera L. R. Heckard with T. I. Chuang 1990-7-14 6759 Modoc ca 2 mi n Cedar Pass (along Old Common Mill Rd, ca 2 mi n of Cedar Pass) 2075 Comment
  JEPS8722  Castilleja linariifolia W. I. Follett 1942-9-10 138 Modoc Cowhead Lake, ne corner of Modoc County Cowhead Lake Comment
  UC444859  Castilleja miniata Mrs. Austin Jun 1894 302 Modoc Willow Creek Comment
Read comments
Jul 6 2010
  JEPS27956  Castilleja miniata Frances D. Payne 1931-7-4 316 Modoc Parker Creek, w slope of the Warner Range Parker Creek; Warner Range 1584 Comment
  CAS-BOT-BC226050  Castilleja pilosa Bruce Bartholomew; Barrett Anderson 1989-6-2 4786 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC226056  Castilleja pilosa Elmer Ivan Applegate 1932-8-1 8031 Modoc High summit of Warner Mountains S of Warren Peak. Comment
  CAS-BOT-BC226059  Castilleja pilosa R. M. Austin 1894-7-1 s.n. Modoc Goose Lake Valley. Comment
  CHSC112112  Castilleja pilosa L. P. Janeway; B. Castro 2014-6-2 11288 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  CHSC117770  Castilleja pilosa L. P. Janeway 2016-5-18 12056 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; along southwest side of Goose Lake about 1.0 air--km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  UC27235  Castilleja pilosa M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UCR137165  Castilleja pilosa Christopher Davidson 1973-5-26 2125 Modoc c. 4 mi west of Canby on Hwy 299 1341 Comment
  UC27238  Castilleja pilosa Milo S. Baker 1893-6-12 Modoc Comment
  CAS-BOT-BC226071  Castilleja tenuis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16509 Modoc 13 mi. W of Canby along Calif. St. Hwy 139. Comment
  CHSC85165  Castilleja tenuis John Dittes; Josephine Guardino 1991-7-21 395 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
  RSA0062306  Castilleja tenuis Lowell Ahart, John Dittes 2011-6-22 17559 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CAS-BOT-BC217136  Ceanothus cuneatus var. cuneatus W. Knight; Irja Knight 1981-5-25 4111 Modoc White Horse Road near Egg Lake. 1249 Comment
  CAS-BOT-BC217139  Ceanothus cuneatus var. cuneatus Bruce Bartholomew; Mona Bourell 1990-4-26 5156 Modoc 0.5 km S of Day. 1100 Comment
  UC73355  Ceanothus cuneatus var. cuneatus Milo S. Baker 1893-1 Modoc near Craigs Comment
  CAS-BOT-BC217141  Ceanothus integerrimus Bruce Bartholomew 1995-6-22 6970 Modoc Between Day and Lookout, 0.8 km W of Day on County Road 94. 1140 Comment
  RSA126441  Ceanothus integerrimus var. californicus Franklin Nutting s.n. Modoc Big Valley Mts Comment
  CAS-BOT-BC217108  Ceanothus prostratus Elmer Ivan Applegate 1932-8-2 8072 Modoc Mill Creek Meadow, W slope of Warner Mts. 2438 Comment
  HSC80758  Ceanothus prostratus G. M. Riegel 1978-6-25 14 Modoc S Warner Mtns. 1670 Comment
  UC452661  Ceanothus prostratus Franklin P. Nutting Modoc near Egg Lake; Northern California, near Egg Lake Comment
  CAS-BOT-BC217112  Ceanothus prostratus var. prostratus Bruce Bartholomew; Barrett Anderson 1989-4-30 4716 Modoc Along Ralston Gulch, 2.4 km S of Caldwell Road (Co. road 54). 1450 Comment
  CAS-BOT-BC217124  Ceanothus velutinus R. M. Austin 1894-8-1 s.n. Modoc Sugar Loaf Hill. Comment
  RSA504600  Ceanothus velutinus Bruce Bartholomew 1988-6-23 4277 Modoc 4 km W of Day on County road 94. 1340 Comment
  CDA10641  Centaurea diffusa G. Deal 1995-7-27 Modoc 0 Comment
  CHSC100382  Centaurea squarrosa Lowell Ahart; John Dittes 2008-8-25 15300 Modoc In the middle of a poor dirt road, 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
  CDA7340  Centaurea squarrosa T. C. Fuller 1962-8-29 9487 Modoc Road to Adin, 0.2 mile east of Lookout, Big Valley. 0 Comment
  CAS-BOT-BC15099  Centaurea virgata subsp. squarrosa Thomas C. Fuller 1962-8-29 9487 Modoc Road to Adin, 0.3 mi. E of Lookout, Big Valley. Comment
  CAS-BOT-BC15100  Centaurea virgata subsp. squarrosa G. Schoolcraft 1985-6-17 1431 Modoc NW of Lookout. 1264 Comment
  CHSC105980  Centromadia parryi subsp. rudis Lowell Ahart; John Dittes 2010-8-30 17060 Modoc In a small vernal pool, about 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 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS121189  Centromadia pungens subsp. pungens Lowell Ahart, John Dittes 2013-7-25 18957 Modoc Along the N-S fence, S edge of Ash Creek floodplain, NW of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC388227  Cerastium glomeratum B. Bartholomew 1992-5-16 6326 Modoc Lunsford Spring 1600 Comment
  CAS-BOT-BC388228  Cerastium glomeratum B. Bartholomew 1994-5-28 6712 Modoc 8.5 km E of Likely on road to Jess Valley along the S Fork of the Pit River 1620 Comment
  UC1101323  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-7-20 8097 Modoc North Fork of Pit River by Dorris Bridge (Alturas); North Fork of Pit River Comment
  RSA101382  Cercocarpus ledifolius R. Weatherby 1955-7-8 1632 Modoc 5 miles N of Ft. Bidwell, Northern Warner Mts. 1646 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
  NY848750  Cercocarpus ledifolius var. intermontanus B. Anderson 1986-7-10 3194 Modoc Warner Mountains. West Warner road north of the North Fork of Pine Creek 1965 Comment
  NY848754  Cercocarpus ledifolius var. intermontanus B. M. Bartholomew 1989-4-29 4691 Modoc Surprise Valley Road, just south of the Oregon border, extreme NE corner of Modoc County 1630 Comment
  NY848755  Cercocarpus ledifolius var. intermontanus C. L. Hitchcock 1940-5-27 6689 Modoc 15 miles northeast of Alturas 1615 Comment
  NY848760  Cercocarpus ledifolius var. intermontanus J. T. Howell 1934-6-12 12009 Modoc Between Davis Creek and Plum Valley Comment
  CAS-BOT-BC214644  Cercocarpus ledifolius var. ledifolius Belknap C. Goldsmith 1910-5-9 7 Modoc Fandango Creek, West slope Warner Mountains 1584 Comment
  CAS-BOT-BC214647  Cercocarpus ledifolius var. ledifolius A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill. Comment
  UC1127899  Cercocarpus ledifolius var. ledifolius R. C. Wilson 1933-7-16 63 Modoc Rush Creek, Modoc National Forest Rush Creek; Modoc National Forest, Rush Creek 1447 Comment
  UC585213  Cercocarpus ledifolius var. ledifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1821 Modoc about 3 mi w of Cedarville (in the Warner Mountains, Cedar Creek Canyon); Warner Mountains, Cedar Creek Canyon 152 Comment
  UC859417  Cercocarpus ledifolius var. ledifolius Lewis S. Rose 1940-6-13 40553 Modoc Fandango Pass 1905 Comment
  CAS-BOT-BC197535  Cercocarpus ledifolius var. ledifolius John H. Hatton 1911-6-12 36 Modoc Modoc County. 1524 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-BC15067  Chaenactis douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-7-7 4936 Modoc Eight Mile Creek, northeast corner of county 1752 Comment
  CAS-BOT-BC15074  Chaenactis douglasii var. douglasii Barrett Anderson 1986-7-9 3144 Modoc Bushy Flat Rd along the Pit River, just E of Hwy 299. 1500 Comment
  CAS-BOT-BC245421  Chamaesaracha nana M. Vasey 1990-6-29 9018 Modoc E end of N Emerson Lake. South Warner Wilderness. 2377 Comment
  UC748043  Chamaesaracha nana Annie M. Alexander and Louise Kellogg 1946-7-24 5065 Modoc Bear Camp Flat Warner Mountains (along trail to Emerson Camp) Comment
  UC884531  Chamaesaracha nana C. L. Hitchcock 1940-5-27 6700 Modoc 15 mi ne Alturas 1615 Comment
  UC1035971  Chamaesaracha nana Helen K. Sharsmith 1955-6-26 4509 Modoc ca 20 mi n Canby (adjacent to Highway 39); Modoc National Forest 1524 Comment
  UCSB6934  Chamaesaracha nana Sharsmith, Helen 1955-6-26 Modoc adjacent to Highway 39 ca. 20 miles north of Canby, Modoc National Forest. 1524 Comment
  RSA210820  Chamaesyce serpillifolia R. F. Thorne, J. Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39082 Modoc E. shore of Goose Lake at Willow Ranch. 1433 Comment
  NY1001694  Chamaesyce serpyllifolia M. J. Williams 1985-8-13 85- 66 --2 Modoc Big Sage Reservoir. Northwest of Alturas 1524 Comment
  UC450214  Chamaesyce serpyllifolia Franklin P. Nutting 1900-8-30 Modoc Forestdale 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
  RSA0076312  Chenopodium L. C. Wheeler 1935-8-30 3930 Modoc Devil's Garden: Lakeshore Reservoir. 1524 Comment
  CHSC117147  Chenopodium album Lowell Ahart; John Dittes 2016-7-14 21168 Modoc West side of new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of Cdounty Road 87, 1/73 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC99965  Chenopodium album Lowell Ahart; John Dittes 2008-8-25 15321 Modoc On the east bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC95514  Chenopodium berlandieri Bruce Bartholomew 1989-7-14 4956 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CDA34222  Chenopodium desiccatum L. Ahart, J. Dittes 2010-8-31 17111 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC95531  Chenopodium pratericola Bruce Bartholomew 1989-7-14 4958 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CHSC31500  Chimaphila menziesii N. E. H. Prouty 1980-8-6 210 Modoc Modoc Nat. Forest, Warner Mt. District. Along south bank of North Fork Pine Creek. 1584 Comment
  NY188266  Chimaphila umbellata B. M. Bartholomew 1989-8-10 5044 Modoc 8.7 km E of Day on County Road 94 Comment
  UC748232  Chimaphila umbellata Annie M. Alexander and Louise Kellogg 1946-9-8 5118 Modoc Deep Creek Canyon Warner Mts., Deep Creek Canyon Comment
  NY125574  Chorispora tenella B. M. Bartholomew 1993-5-10 6450 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley 1520 Comment
  UCR143158  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1935-9-10 3968 Modoc 1.5 mi SSW of McGinty Reservoir, Devil's Garden 1524 Comment
  CAS-BOT-BC14985  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1936-9-22 11058 Modoc Fleeners Chimneys, Lava Beds National Monument. Comment
  CAS-BOT-BC14997  Chrysothamnus viscidiflorus subsp. viscidiflorus Delzie Demaree 1959-8-15 41484 Modoc Canby, Modoc National Forest Comment
  CAS-BOT-BC14972  Cichorium intybus Bruce Bartholomew 1991-7-6 5962 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  UC420741  Cicuta maculata var. angustifolia Mrs. M. H. Manning 1903-7 197 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  CAS-BOT-BC191006  Circaea alpina subsp. pacifica Bruce Bartholomew 1994-7-2 6785 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1930 Comment
  CAS-BOT-BC191009  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1988-7-21 4439 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  JEPS114659  Cirsium arvense Lowell Ahart, John Dittes 2008-8-25 15286 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
  CAS-BOT-BC14969  Cirsium cymosum Bruce Bartholomew 1989-7-15 5002 Modoc Sweagert Flat. 1860 Comment
  UC1192201  Cirsium douglasii var. breweri Herbert L. Mason 1947-8-11 13500 Modoc On Highway 81, n of Modoc-Lassen County Line Comment
  HSC5389  Cirsium douglasii var. canescens M. T. Milligan 1966-7-25 578 Modoc E of Jess Valley 1646 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
  JEPS59227  Cirsium occidentale var. candidissimum F. H. Frost 1925-7-11 16 Modoc Cedar Canyon campsite 2 mi above Cedarville Comment
  SEINET195907  Cirsium occidentale var. candidissimum Annie M. Alexander 1946-6-18 4803 Modoc Patterson Mill-Silver Creek roads Comment
  UC71591  Cirsium occidentale var. candidissimum Mrs. M. H. Manning Jul 1 1903-Aug 1 1903 263 Modoc near Fort Bidwell Comment
  UC91794  Cirsium occidentale var. candidissimum Milo S. Baker 1893-7-25 Modoc Lava Beds Comment
  UC30791  Cirsium occidentale var. candidissimum Mrs. R. M. Austin 1884-1-1 Modoc hills near Davis Creek Comment
  UC1192198  Cirsium vulgare Verne Grant and Irving Schneider 1947-8-27 8320 Modoc sw end Clear Lake Comment
  CAS-BOT-BC228711  Cistanthe umbellata John Thomas Howell 1934-6-14 12152 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC162643  Clarkia Clare B. Hardham 1961-6-19 7848 Modoc Willow Creek, Warner Mountains Comment
  CAS-BOT-BC190999  Clarkia Fred. P. Cronemiller 1920-7-1 18 Modoc N slope back of Fillingim's. Comment
  CAS-BOT-BC191000  Clarkia John H. Hatton 1911-6-2 62 Modoc Modoc County. 1371 Comment
  CAS-BOT-BC191055  Clarkia lassenensis Bruce Bartholomew 1992-5-14 6276 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  CAS-BOT-BC191060  Clarkia lassenensis Bruce Bartholomew 1991-7-4 5890 Modoc S end of Higgins Flat. 1370 Comment
  HSC30120  Clarkia lassenensis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19485 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  OBI53989  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Ag Inspection Statio, 1 mi S of S jctn to Lava Beds Natl Monument E of Tonesta 1311 Comment
  RSA0059897  Clarkia lassenensis Patricia Wilder 1971-6-20 5086 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
  UCSB17311  Clarkia lassenensis Haller, John 1961-6-24 Modoc near California State Highway 139; 25 mi SE of Tulelake; 27.7 mi NW of Canby 1280 Comment
  CAS-BOT-BC191043  Clarkia rhomboidea Barrett Anderson 1986-7-9 3175 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  HSC30124  Clarkia stellata D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19467 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC197445  Claytonia lanceolata Annie Montague Alexander; L. Kellogg 1946-6-15 4773 Modoc Deep Creek. 2133 Comment
  SEINET195685 Image available Claytonia lanceolata Annie M. Alexander, Louise Kellogg 1946-6-15 4773 Modoc Deep Creek 2130 Comment
  UC65056  Claytonia lanceolata Milo S. Baker 1890-5-15 79 Modoc Forestdale Comment
  RSA0080490  Claytonia lanceolata C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles NE of Alturas. 1982 Comment
  RSA0080491  Claytonia lanceolata A. M. Alexander, Louise Kellogg 1946-6-15 4773 Modoc In fir forest and higher up in aspen grove. Deep Creek. 2134 Comment
  UC1573168  Claytonia megarhiza Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10435 Modoc e-face Emerson Peak (Emerson Creek drainage); Warner Mountains, , Emerson Creek 2560 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
  UC35016  Cleome platycarpa Mrs. C. C. Bruce Jun 1898 2180 Modoc Likely Comment
  CAS-BOT-BC226097  Collinsia parviflora Bruce Bartholomew; Mona Bourell 1990-4-26 5158 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC226098  Collinsia parviflora Bruce Bartholomew 1990-6-15 5227 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  SEINET10317272 Image available Collinsia parviflora B. Bartholomew 1991-6-20 5780 Modoc NE side of Barber Ridge, 10 lm NW of Adin on road to Fox Mountain 1580 Comment
  UC748143  Collinsia parviflora Annie M. Alexander and Louise Kellogg 1946-6-14 4756 Modoc Silver Creek branch of Patterson Mill Road 1828 Comment
  UC76207  Collinsia parviflora Milo S. Baker 1896-5-23 73 Modoc Big Valley, Johnson's Big Valley; , Johnson's Comment
  CAS-BOT-BC229870  Collinsia sparsiflora var. sparsiflora Bruce Bartholomew 1995-5-12 6895 Modoc SW flank of White Horse Mountains between Day and Day Rock. 1210 Comment
  CAS-BOT-BC190731  Collomia grandiflora Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10615 Modoc Summit of Fandango Pass. 1889 Comment
  CHSC112814  Collomia grandiflora Lowell Ahart; John Dittes 2013-7-25 18965 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
  HSC32014  Collomia grandiflora J. D. Ackerman, A. M. Montalvo 1974-7-4 365 Modoc Howards Gulch, 6 mi. NW of Canby, off Hwy. 139 Comment
  UC748267  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1946-7-7 4952 Modoc ne corner of county Eight Mile Creek 1752 Comment
  UC907920  Collomia grandiflora F. H. Frost 1925-7-13 74 Modoc summit Warner Mts., Cedar Canyon Comment
  CAS-BOT-BC190723  Collomia linearis Elmer Ivan Applegate 1932-8-3 8106 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  RSA59575  Collomia linearis Verne Grant, Alva Grant 1950-7-14 8949 Modoc near base of Cedar Mt. ridge, Warner Mts. 1982 Comment
  UC205016  Collomia linearis Mrs. M. H. Manning 1907-1 Modoc near 12 Mile Creek (e side of Mt. Bidwell, ne Modoc Co.) Comment
  UC748270  Collomia linearis Annie M. Alexander and Louise Kellogg 1946-7-11 4960 Modoc ne corner of county Eight Mile Creek (slope w) Comment
  CAS-BOT-BC21481  Conium maculatum Bruce Bartholomew 1990-6-17 5286 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  CDA34733  Conium maculatum L. Ahart, John Dittes 2010-8-3 17066 Modoc About 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS114663  Conium maculatum Lowell Ahart, John Dittes 2008-8-25 15280 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
  SBBG128256  Conium maculatum L. Ahart, J. Dittes 2010-8-30 17066 Modoc ca. 10 yards E 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 mi NE of Bieber, Big Valley 1267 Comment
  CHSC111101  Convolvulus arvensis Lowell Ahart; John Dittes 2012-7-12 18378 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
  UCR57488  Conyza canadensis R. D. Goeden, Don W. Ricker 1989-8-23 890823- 17 Modoc Warner Mtns., Modoc National Forest, near east end of Fandango Pass Rd. 1585 Comment
  CAS-BOT-BC229876  Cordylanthus capitatus Alice Eastwood; John Thomas Howell 1940-6-13 8145 Modoc Fandango Pass. Comment
  UC1587092  Cordylanthus maritimus subsp. canescens G. Schoolcraft 1991-7-24 2185 Modoc ne Middle Alkali Lake; Leonard Hot Spring 1386 Comment
  UC1736400  Cordylanthus maritimus subsp. canescens Dean W. Taylor 1989-8-6 10503 Modoc Warner Mountains, Suprise Valley, warm spring on west shore Lower Lake 1363 Comment
  CAS-BOT-BC229879  Cordylanthus ramosus Louis Cutter Wheeler 1935-8-20 3899 Modoc Pine Spring, Devil's Garden. 1524 Comment
  UC70425  Cornus nuttallii Milo S. Baker 1898-8-1 515 Modoc Bowen's Springs Comment
Read comments
Dec 11 2015
  UC1280731  Cornus sericea subsp. sericea H. E. McMinn 1931-5-23 2457 Modoc Warner Mts., Cedarville Rd. Comment
  POM337580  Cornus stolonifera F. R. Fosberg 1957-8-18 38848 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  POM97790  Corydalis aurea subsp. aurea Mrs. R. M. Austin 1884-06 s.n. Modoc Modoc County: Pilt River Comment
  RSA0108923  Crataegus castlegarensis Lowell Ahart, John Dittes 2008-8-25 15330 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4500 feet south of County Road 87, 2.7 miles (air) northeast of Bieber. 1271 Comment
  CAS-BOT-BC197573  Crataegus douglasii A. D. Borden 1911-8-9 s.n. Modoc Mall Place, on S side of Shields Creek. Comment
  HSC81021  Crepis acuminata G. M. Riegel 1979-7-14 544 Modoc South Warner Mtns. 1739 Comment
  CHSC116354  Crepis acuminata J. R. Keck Jr.; Pfeiffer 1985-6-6 PDR 237691 Modoc Forest land near Lookout Junction, southwest corner of Modoc County. Comment
  RSA164315  Crepis acuminata Clare B. Hardham 1961-6-18 7562 Modoc Hills 3 miles south of Cedar Pass 1829 Comment
  SJSU8815  Crepis acuminata J. W. Tilden 1958-6-25 1261 Modoc near Monument Headquarters, Lava Beds National Monument Comment
  CAS-BOT-BC14923  Crepis bakeri Bruce Bartholomew 1991-7-4 5912 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC14854  Crepis intermedia Elmer Ivan Applegate 1932-8-1 8002 Modoc N of Mill Creek Meadows, west slope of Warner Mountains 2438 Comment
  CAS-BOT-BC14864  Crepis intermedia Bruce Bartholomew 1991-7-5 5951 Modoc Coyote Meadow, near the Oregon border. 1580 Comment
  CAS-BOT-BC14892  Crepis intermedia Isabelo T. Kelly 1930-1-1 53 Modoc unspecified Comment
  SJSU8814  Crepis intermedia H. L. Buckalew 1961-6-25 Modoc near Stowe Reservoir 1 mi N of Cedar Pass on Altuas-Cedarville Road 2011 Comment
  UC581221  Crepis intermedia G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2376 Modoc Shaeffer Mountain; s side 1670 Comment
  UC31308 Image available Crepis modocensis Mrs. R. M. Austin Jun 1894 Modoc Lava Beds Comment
  CAS-BOT-BC14877  Crepis modocensis subsp. modocensis Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1806 Modoc Cedar Creek Canyon, about 3 mi. W of Cedarville, Warner Mountains 1676 Comment
  CDA33478  Crepis occidentalis Dale Woods, V. Popescu, B. Villegas 2010-6-3 Modoc Kelly Springs Rd; about 2 miles southeast of Hwy 299, Modoc National Forest. 0 Comment
  SBBG8043  Crepis occidentalis H. and M. Dearing 1939-6-8 3590 Modoc near Goose Lake 1219 Comment
  UC485362  Crepis occidentalis M. F. Gilman 1912-8-4 642 Modoc 1828 Comment
  SEINET2142062 Image available Crepis occidentalis subsp. conjuncta Annie M. Alexander, Kellogg, Louise 1946-7-18 5016 Modoc Near Benton Meadow, Warner Mountains 2070 Comment
  CAS-BOT-BC14896  Crepis occidentalis subsp. costata Isabelo T. Kelly 1930-1-1 42 Modoc E slope of Warner Mts., near Ft. Bidwell. 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
  UC23221  Cressa truxillensis Mrs. R. M. Austin Aug., 1894 Modoc Davis Creek Comment
  RSA175702  Crocidium multicaule A. J. Cronquist 1963-5-14 9855 Modoc On gentle slope leading up to the west base of the Warner Mountains, near Cedar Pass, between Cedarville and Alturas, 9 miles from Alturas. 1494 Comment
  RSA534605  Crocidium multicaule Bruce Bartholomew 1991-5-25 5749 Modoc ca. 1 km west of Tionesta. 1320 Comment
  SD53083  Crocidium multicaule Peter H. Raven 1962-5-29 17897 Modoc State Highway 139 at south road to Lava Beds National Monument. Comment
  UC76037  Crocidium multicaule Milo S. Baker 1896-5-15 72 Modoc near Johnson's; Big Valley Comment
  UCD130993  Crocidium multicaule R. N. Raynor 1940-4-12 s.n. Modoc Alturas. Comment
  CAS-BOT-BC14838  Crupina vulgaris Bruce Bartholomew 1990-6-15 5212 Modoc Kelly Spring, 5.5 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  CHSC100375  Crypsis vaginiflora Lowell Ahart; John Dittes 2008-8-26 15353 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS114436  Crypsis vaginiflora Lowell Ahart, John Dittes 2008-8-26 15353 Modoc bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  UC589921  Crypsis vaginiflora Leo Whitney 1935-7-21 3563 Modoc Stone Coal Valley Pitt River Comment
  UCD59980  Crypsis vaginiflora A. A. Beetle 1944-8-15 3025 Modoc Southwest of Modoc County, 4 miles north of Lookout. Comment
  CAS-BOT-BC54128  Cryptantha affinis John Thomas Howell 1934-6-13 12045 Modoc Fandango Pass. 1828 Comment
  HSC3594  Cryptantha ambigua M. T. Milligan 1965-6-23 305 Modoc N end Jess Valley 1616 Comment
  UC526164  Cryptantha ambigua John Thomas Howell 1934-6-30 12297 Modoc Duncan Horse Camp Comment
  UCD119058  Cryptantha ambigua Collector unknown 1950-1 s.n. Modoc Modoc County. Comment
  UC1478049  Cryptantha celosioides Gregg Riegel 1980-7-14 877 Modoc 0.5 mi nw Emerson Trail Head Rd. (from Sec 10 and 11, S Warner Mt. Wilderness Area); Modoc National Forest, Warner Mt. Wilderness Area 1889 Comment
  POM204138  Cryptantha intermedia J. T. Howell 1934-6-11 11983 Modoc Parker Creek, Warner Mts. 1585 Comment
  UC24650  Cryptantha intermedia M. S. Baker and Frank Nutting 1894-6-29 Modoc near Lookout; Big Valley Comment
  UC78723  Cryptantha intermedia Mrs. R. M. Austin Jul 1884 Modoc Goose Lake Valley Comment
  HSC75578  Cryptantha simulans G. M. Riegel 1980-7-8 853 Modoc S Warner Mtns. 1739 Comment
  UC573118  Cryptantha torreyana F. H. Frost 1925-7-25 62 Modoc Eagle Peak Warner Mountains Comment
  NY57978  Cupressus bakeri B. M. Bartholomew 1995-6-1 6914 Modoc Northwest edge of Little Hot Spring Valley, northwest of Day 1080 Comment
  JEPS2550 Image available Cupressus bakeri Milo S. Baker Aug 1898 Modoc Between Hills Farm (near Dana, SE Siskiyou Co.) & Little Hot Springs Valley (SW Modoc Co.),Modoc Co. Comment
  CDA5585  Cuscuta approximata Goss 1932-10-3 Modoc 0 Comment
  RSA603169  Cuscuta approximata var. urceolata L. C. Wheeler 1935-8-6 3796 Modoc Pine Creek (town). 1524 Comment
  UC1037252  Cynoglossum occidentale Leo Whitney 1935-5-31 3160 Modoc White Horse Comment
  UC24758  Cynoglossum occidentale Milo S. Baker 1893-7-10 Modoc Forestdale Comment
  CAS-BOT-BC30213  Cystopteris fragilis Francis Dorris Payne 1932-6-12 539 Modoc Parker Creek. 1584 Comment
  UC922415  Cystopteris fragilis Annie M. Alexander and Louise Kellogg 1946-7-23 5059 Modoc Emerson Peak; Warner Mts Comment
  UC922432  Cystopteris fragilis Annie M. Alexander and Louise Kellogg 1946-6-26 4836 Modoc Dismal Swamp; n end Warner Mts 2255 Comment
  HSC9525  Dactylis glomerata M. T. Milligan 1965-6-26 345 Modoc N end Jess Valley. 1616 Comment
  UC70669  Dactylis glomerata Mrs. M. H. Manning June 1903 407 Modoc north-eastern Modoc County Comment
  CAS-BOT-BC242493  Danthonia californica Leland S. Smith 1917-7-19 119 Modoc Joseph Creek. 1828 Comment
  CHSC39006  Danthonia californica var. americana J. D. Jokerst 1983-7-18 1858 Modoc Meadow. North of Niles Flat and west of and adjacent to road 5500 0.2 miles north of the road junction at the center of the east edge of section 8. Comment
  CAS-BOT-BC242485  Danthonia unispicata Bruce Bartholomew; Barrett Anderson 1990-7-20 5538 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  SEINET229941 Image available Danthonia unispicata Leila M. Shultz, John S. Shultz 1985-6-23 8595 Modoc Between Beeler and Duncan resivoirs north of Canby near highway 139. 1311 Comment
  CAS-BOT-BC214753  Dasiphora fruticosa K. Paulson; Robert Paulson 1990-7-2 212 Modoc Dismal Swamp, Warner Mts. Comment
  CHSC111991  Dasiphora fruticosa B. Castro; L. P. Janeway 2008-8-17 1755 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope not far above last row of trees. 2319 Comment
  CHSC85098  Deinandra lobbii John Dittes; Josephine Guardino 1991-7-21 442 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
  JEPS121206  Deinandra lobbii Lowell Ahart, John Dittes 2013-7-25 18958 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
  UC585065  Delphinium andersonii E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1831 Modoc steep n-facing talus slope about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  CAS-BOT-BC217342  Delphinium depauperatum Bruce Bartholomew 1994-7-2 6790 Modoc 8.9 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 2120 Comment
  RSA503252  Delphinium depauperatum Bruce Bartholomew 1988-6-24 4308 Modoc Cave Lake, W side of the Warner Mountains. 2130 Comment
  CAS-BOT-BC217305  Delphinium nudicaule Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6522 Modoc 1.4 km W of railroad track on County Road 95 between Lookout and Egg Lake. 1290 Comment
  CAS-BOT-BC217350  Delphinium nudicaule Bruce Bartholomew 1992-5-14 6280 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  CAS-BOT-BC217311  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1988-6-24 4308 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  UC9126  Delphinium nuttallianum Milo S. Baker 1893-6 Modoc Hillside; s face Comment
  CAS-BOT-BC217283  Delphinium stachydeum Bruce Bartholomew 1990-8-4 5623 Modoc Slope on N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2380 Comment
  CAS-BOT-BC242476  Deschampsia danthonioides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16517 Modoc 13 mi. W of Canby, along Hwy 139. Comment
  CAS-BOT-BC242479  Deschampsia danthonioides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 167 Modoc Parker Creek at Modoc National Forest boundary. Comment
  JEPS73979  Deschampsia danthonioides Frances D. Payne 1932-6-24 650 Modoc s. and e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UCD61407  Deschampsia danthonioides L. Whitney 1935-5-23 Modoc Near Dam--Hackamore Reservoir. 1462 Comment
  HSC80821  Deschampsia elongata G. M. Riegel 1980-8-7 1006 Modoc S Warner Mtns. 2100 Comment
  HSC9610  Deschampsia elongata M. T. Milligan 1964-7-25 174 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC58619  Descurainia incana Elmer Ivan Applegate 1932-8-2 8067 Modoc Mill Creek, W slope of Warner Mts. Comment
  NY125849  Descurainia incisa subsp. filipes B. M. Bartholomew 1988-5-13 4182 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mtns. 1450 Comment
  HSC6957  Descurainia sophia M. T. Milligan 1964-6-4 19 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  NY126141  Descurainia sophia B. M. Bartholomew 1988-6-25 4381 Modoc SW side of Jess Valley, Warner Mtns. 1540 Comment
  CAS-BOT-BC190763  Dicentra uniflora Leland S. Smith 1920-6-2 1163 Modoc Dismal Swamp. 2042 Comment
  UC1133888  Dichelostemma capitatum R. C. Wilson 1933-6-7 42 Modoc Pothole Gulch Modoc National Forest, Canby Quad. 1310 Comment
  CAS-BOT-BC501064  Dichelostemma multiflorum L. S. Smith 1926-6-7 1889 Modoc Near Lake City, Tahoe Forest 1097 Comment
  JEPS79131  Dichelostemma multiflorum L. R. Heckard with R. Bacigalupi 1980-6-10 5234 Modoc about 10 mi nw Lookout (along the Great Northern Railroad grade); Great Northern Railroad Grade Comment
  UC469011  Dieteria canescens var. shastensis Franklin P. Nutting Modoc Forrestdale Comment
  CAS-BOT-BC14843  Dimeresia howellii Gordon H. True 1964-6-3 1444 Modoc Cedar Pass, Warner Mountains 1524 Comment
  CAS-BOT-BC229911  Diplacus cusickioides K. Paulson; Robert Paulson 1989-7-18 199 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1493 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
  SD133259  Diplacus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, S end. Between Kramer Reservoir and White Horse-Lookout road along intermittent stream; 2.3 rd mi W of railroad crossing 1299 Comment
  CAS-BOT-BC234441  Diplacus tricolor Bruce Bartholomew; Barrett Anderson 1989-6-3 4906 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC95630  Dipsacus fullonum Bruce Bartholomew 1995-8-1 7141 Modoc 14.8 km N of turn off to Cedarville on U.S. Hwy 395 and 8 km S of Davis Creek. 1450 Comment
  CAS-BOT-BC247763  Distichlis spicata Bruce Bartholomew 1989-8-11 5059 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. 1430 Comment
  CAS-BOT-BC218293  Dodecatheon alpinum Leland S. Smith 1918-6-23 958 Modoc High Grade. 2346 Comment
  UC201724  Dodecatheon alpinum W. P. Taylor and H. C. Bryant 1910-7-24 Modoc e face Warren Pk Warner Mountains, e face Warren Pk 2651 Comment
  SEINET7073593  Dodecatheon conjugens A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  UC1123263  Dodecatheon conjugens R. C. Wilson 1933-5-26 31 Modoc above Pothole Gulch; Modoc National Forest, Canby Quadrangle Comment
  CAS-BOT-BC218276  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Barrett Anderson 1988-5-12 4119 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC218279  Dodecatheon conjugens var. conjugens Leo David Whitney 1935-5-19 3108 Modoc Edge of Hackamore River, near Hackamore. Comment
  CAS-BOT-BC218285  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Mona Bourell 1990-4-27 5191 Modoc 1.1 km E of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  CAS-BOT-BC218270  Dodecatheon ellisiae Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6429 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CAS-BOT-BC95118  Downingia bacigalupii Bruce Bartholomew; Barrett Anderson 1988-6-23 4236 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CHSC117251  Downingia bacigalupii Lowell Ahart; John Dittes 2016-7-14 21165 Modoc West side of new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  POM299295  Downingia bacigalupii H. C. Cantelow 1940-5-31 s.n. Modoc 0.8 mile E of Canby. Comment
  UCD37474  Downingia bicornuta Beecher Crampton 1960-6-17 5701 Modoc Modoc County, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station, McKay Flat. 1280 Comment
  CAS-BOT-BC95128  Downingia bicornuta var. bicornuta Bruce Bartholomew 1991-6-23 5881 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  SFV18022  Downingia bicornuta var. bicornuta 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
  OBI48703  Downingia elegans Lewis S. Rose 1940-6-11 40511 Modoc Canby 1326 Comment
  SEINET8039562  Downingia insignis M. J. Williams 1984-1 84- 66 -1 Modoc 0.2 mile E of Highway 395 at Ravendale. 1524 Comment
  CAS-BOT-BC58296  Draba albertina Annie Montague Alexander; L. Kellogg 1946-8-3 5112 Modoc Head of Eagle Creek, Warner Mts. Comment
  SEINET195668  Draba albertina Annie M. Alexander, L Kellogg 1946-8-3 5112 Modoc Head of Eagle Creek Warner Mts Comment
  SEINET195673  Draba albertina Annie M. Alexander, L Kellogg 1946-6-25 4823 Modoc Dismal Swamp; N end of Warner Mts 2256 Comment
  UC190593  Draba densifolia M. F. Gilman 505 Modoc Mts. 1981 Comment
  CAS-BOT-BC58595  Draba novolympica P. Monnet 1913-7-7 902 Modoc Mt. Warren, Warner's Range. 2987 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-BC214762  Drymocallis glandulosa Bruce Bartholomew; Barrett Anderson 1989-6-3 4868 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  JEPS120513  Drymocallis lactea var. lactea L. P. Janeway, B. Castro 2012-7-25 10990 Modoc Warner Mountains. Comment
  CAS-BOT-BC14803  Dugaldia hoopesii Annie Montague Alexander; L. Kellogg 1946-8-3 5114 Modoc Head of Eagle Creek, Warner Mountains Comment
  CHSC70776  Echinochloa crus-galli A. Sanger 1997-9-23 2658 Modoc Willow Creek 1 mile east of Clear Lake. In meadow along creek. 1371 Comment
  UCD61052  Echinochloa esculenta Dr. Gaso 1932-10-1 s.n. Modoc Alturas. Comment
  JEPS117937  Elaeagnus angustifolia L. P. Janeway, B. Castro 2008-8-16 9539 Modoc Surprise Valley Modoc Plateau (east side of Middle Alkali Lake, north side of Hwy 299 8.2 km east of Cedarville.) 1370 Comment
  PASA431  Elatine americana Frank W. Peirson 1926-6-26 Modoc Road from Alturas to Canby Comment
  RSA600329  Elatine brachysperma L. C. Wheeler 1935-8-3 3763 Modoc Warner Mountains: Pine Creek. 1738 Comment
  RSA604673  Elatine brachysperma L. C. Wheeler 1935-8-23 3912 Modoc South Mt. Reservoir, Devil's Garden. 1677 Comment
  JEPS127189  Elatine californica Lowell Ahart, John Dittes 2016-7-14 21211 -A Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  POM229220  Elatine gracilis L. C. Wheeler 1935-8-3 3763 Modoc Warner Mountains: Pine Creek. 1738 Comment
  CHSC117565  Elatine rubella Lowell Ahart; John Dittes 2016-7-14 21211 -A Modoc The strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS114834  Elatine rubella Lowell Ahart, John Dittes 2008-6-21 14980 Modoc West end of a large culvert, west of the large levee, mountain meadow, in Big Valley about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  JEPS126538  Elatine rubella Lowell Ahart, John Dittes 2016-6-6 20955 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  UCD49715  Eleocharis acicularis Herbert L. Mason; Verne Grant 1947-7-12 13402 Modoc Irrigation ditch by Jones' Lane off Highway 395, south of Alturas. Comment
  UC190419  Eleocharis bella M. S. Baker and Frank Nutting 1894-8-20 Modoc Forestdale 1371 Comment
  CAS-BOT-BC184098  Eleocharis coloradoensis Herbert L. Mason 1947-8-12 13512 Modoc Junction of North and South forks of Pit River, Alturas Comment
  UC1100607  Eleocharis coloradoensis Herbert L. Mason 1947-8-8 13463 Modoc NW of Alturas (SW margin of Big Sage Reservoir) Comment
  CHSC110892  Eleocharis macrostachya Lowell Ahart; John Dittes 2012-7-11 18333 Modoc On the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1142956  Eleocharis macrostachya A. L. Hormay 1941-6-23 34 Modoc Spaulding Reservoir Modoc National Forest Comment
  POM228876  Elodea nuttallii L. C. Wheeler 1935-9-29 4011 Modoc Two miles south of Alturas 1357 Comment
  RSA603668  Elymus X hansenii L. C. Wheeler 1935-8-4 3781 Modoc Warner Mts., Dry Lake, Pine Creek 2104 Comment
  UC1026709  Elymus X saundersii Leo Whitney 1935-7-7 3406 Modoc ca 15 mi nw Canby (bed of river); Modoc National Forest, Hackamore River 1463 Comment
  UCD62820  Elymus X saundersii L. Whitney 1935-7-19 3537 Modoc Hackamore River, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. Comment
  HSC9676  Elymus caput-medusae M. T. Milligan 1964-7-1 108 Modoc Ballard's Reservoir Rd. 1 mi. S of Modoc County Rd. 54 1372 Comment
  SJSU9592  Elymus caput-medusae W. Savage 1979-7-5 1358 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC38774  Elymus cinereus A. M. Montalvo, J. D. Ackerman 1974-7-4 364 Modoc Howard's Gulch, 6 mi. NW of Canby, off Hwy. 139. Comment
  CAS-BOT-BC247752  Elymus elymoides subsp. elymoides Bruce Bartholomew 1989-7-14 4949 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  UC1024983  Elymus elymoides subsp. elymoides Leo Whitney 1935-7-5 3409 Modoc near Hackamore (ca 15 mi nw of Canby); Modoc National Forest 1463 Comment
  UCD62306  Elymus glaucus Beecher Crampton; Carl Rimbey 1954-7-8 2174 Modoc Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  CAS-BOT-BC247731  Elymus multisetus Bruce Bartholomew; Barrett Anderson 1990-7-19 5405 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  JEPS74074  Elymus multisetus Frances D. Payne 1932-7-3 590 A Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UCD62454  Elymus multisetus Leo Whitney 1934-5-19 3044 Modoc Devil's Garden, Modoc National Forest, northeast portion of county. 1524 Comment
  UCD62537  Elymus repens J. E. Street 1961-7-14 Modoc 1 mile east of Alturas. Comment
  SJSU9603  Elymus spicatus W. Savage 1979-7-5 1377 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1025027  Elymus trachycaulus Leo Whitney 1935-7-21 3528 Modoc Pit River Comment
  UCD62717  Elymus trachycaulus Beecher Crampton; Carl Rimbey 1954-7-7 2129 Modoc West side of Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC247723  Elymus trachycaulus subsp. trachycaulus Ernest Christian Twisselmann 1966-9-22 6576 Modoc Ridge at the SE end of Long Valley. 2042 Comment
  UCD62630  Elymus trachycaulus subsp. trachycaulus L. Whitney 1935-7-1 3375 Modoc Hackamore River, Hackamore ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  HSC9740  Elymus triticoides M. T. Milligan 1965-6-26 347 Modoc N end Jess Valley. 1616 Comment
  CAS-BOT-BC191038  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1989-8-11 5071 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  UC1191733  Epilobium brachycarpum Herbert L. Mason and Verne Grant 1947-7-10 13337 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC20101  Epilobium brachycarpum Mrs. R. M. Austin Aug. 1894 Modoc Goose Lake Valley Comment
  UC1191715  Epilobium brachycarpum Herbert L. Mason 1947-8-8 13458 Modoc n Big Sage Reservoir (nw of Alturas); Ingalls Swamp Comment
  UC20098  Epilobium brachycarpum Milo S. Baker 1893-6-20 Modoc Comment
  SBBG126106  Epilobium campestre L. Ahart, J. Dittes 2010-8-30 17058 Modoc sides of a small wash, ca. 10 yards E of the fence, S edge of the meadow, Ash Crk State Wildlife Area, 2,300 feet N of Lassen County Line, ca. 3.6 mi (air) W of Adin, ca. 8.0 mi (air) NE of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC190996  Epilobium ciliatum subsp. ciliatum Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10606 Modoc Eight and one-half mi. from Patterson Ranger Station on Eagleville road. Warner Mountains. Comment
  CHSC117497  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes 2016-7-14 21178 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UCD105793  Epilobium ciliatum subsp. ciliatum Malcolm A. Nobs; S. Galen Smith 1949-9-1 1709 Modoc Mono Vista Springs on the northwestern shore of Mono Lake. Comment
  CAS-BOT-BC190982  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew; Barrett Anderson 1988-7-22 4512 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CAS-BOT-BC190990  Epilobium ciliatum subsp. glandulosum Leland S. Smith 1917-8-3 148 Modoc South Fork Davis Creek. 2133 Comment
  RSA41237  Epilobium ciliatum subsp. glandulosum A. M. Alexander, Louise Kellogg 1946-7-11 4965 Modoc Slope west of Eight Mile Creek, northeast corner of Modoc County Comment
  UC748247  Epilobium clavatum Annie M. Alexander and Louise Kellogg 1946-8-1 5105 Modoc e side of divide Warner Mountains, Eagle Peak 3019 Comment
  CAS-BOT-BC190973  Epilobium densiflorum Herbert Louis Mason 1947-8-11 13495 Modoc Hwy 81, W margin of Lower Lake, near Modoc County boundary. Comment
  POM37840  Epilobium hallianum R. M. Austin 1895-08 508 Modoc Goose Lake Valley Comment
  CAS-BOT-BC190958  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew 1992-8-8 6371 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  UC873397  Epilobium hornemannii subsp. hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 mi ne Alturas (along stream) 1615 Comment
  POM262687  Epilobium hornemannii subsp. hornemannii Bud Fuller 1936-7-10 62 Modoc 15 miles northeast of Alturas 1524 Comment
  CAS-BOT-BC190954  Epilobium minutum Bruce Bartholomew 1991-8-5 6075 Modoc Summit Trail, between Squaw Peak and Pepperdine, W side of Warner Mts. 2320 Comment
  CHSC113071  Epilobium minutum Lowell Ahart; John Dittes 2013-7-24 18926 Modoc Near a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  UC190619  Epilobium obcordatum M. F. Gilman 508 Modoc mts. 2133 Comment
  CAS-BOT-BC190935  Epilobium pallidum Bruce Bartholomew 1991-7-5 5939 Modoc Dry wash draining into North Willow Creek, between Crowder Flat and the Oregon border. 1620 Comment
  UC1191613  Epilobium pallidum Herbert L. Mason and Verne Grant 1947-7-13 13441 Modoc on Hwy 395 n Davis Creek (e side of lake, near roadside); Goose Lake, Joseph Creek Comment
  CAS-BOT-BC190874  Epilobium pygmaeum D. M. Moore 1960-6-4 117 Modoc 2.1 mi. W of Davis Creek on road to W side of Goose Lake. Comment
  CAS-BOT-BC190862  Epilobium torreyi Bruce Bartholomew; Barrett Anderson 1990-7-21 5590 Modoc Bear Flat, W side of Warner Mts. Ranger Station, E side of Warner Mts. 1830 Comment
  CAS-BOT-BC30179  Equisetum laevigatum Annie Montague Alexander; L. Kellogg 1946-7-5 4911 Modoc In moist ground, base of cliff. Lava cliff west of Lower Lake. Comment
  CAS-BOT-BC30183  Equisetum laevigatum Bruce Bartholomew; Barrett Anderson 1988-7-21 4435 Modoc Vicinity of Lower Rush Creek Campground ca. 1 km E of State Highway 299 between Adin and Canby. 1430 Comment
  JEPS127319  Equisetum laevigatum Lowell Ahart, John Dittes 2016-7-14 21211 -B 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
  JEPS117681  Eragrostis pectinacea var. pectinacea Lowell Ahart, John Dittes 2010-8-31 17092 Modoc On the west side of Walters Road, 4235 feet south of Modoc County Line, about 4.3 miles (air) south-southwest of Adin, about 7.0 miles (air) northeast of Bieber, Big Valley 1276 Comment
  HSC16005  Eremalche parryi M. T. Milligan 1964-6-6 8 Modoc N side of Dorris Reservoir along shore 1372 Comment
  CHSC100861  Eremogone aculeata L. P. Janeway; B. Castro 2008-8-17 9572 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. Near moist bed of small rocky drainage channel. Dry edge of the drainage. 2372 Comment
  JEPS120493  Eremogone aculeata L. P. Janeway, B. Castro 2012-7-26 11014 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). Comment
  SBBG30591  Eremogone aculeata D. Myrick 1968-6-20 1969 Modoc Cedar Pass Rd, St Hwy 299, 12 mi E of Alturas 1524 Comment
  CAS-BOT-BC95467  Eremogone congesta Alice Eastwood; John Thomas Howell 1940-6-11 8005 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CAS-BOT-BC95451  Eremogone congesta John H. Hatton 1911-6-12 41 Modoc Modoc County. 1524 Comment
  NY53860  Eremogone congesta var. congesta B. Anderson 1986-7-10 3206 Modoc Warner Mountains, West Warner Rd along Bear Flat. 1845 Comment
  HSC81121  Ericameria bloomeri G. M. Riegel 1979-8-16 672 Modoc South Warner Mtns. 1829 Comment
  JEPS32931  Ericameria bloomeri W. L. Jepson 1918-8-6 7839 Modoc Surprise Valley 1615 Comment
  CHSC42147  Ericameria nauseosa C. E. Laver 1985-8-12 Modoc Ca. 8 mi s of Alturas and 0.2 mi e of Eastside Canal. Along roadsides. 1280 Comment
  CHSC85397  Ericameria nauseosa var. oreophila John Dittes; Josephine Guardino 1991-8-24 464 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  UC75822  Ericameria parryi var. latior Milo S. Baker 1899-8-18 Modoc Little Hot Spring Valley Comment
  UC31497  Erigeron Milo S. Baker 1893-8-9 Modoc Comment
  CAS-BOT-BC42839  Erigeron austiniae John Thomas Howell 1934-6-30 12262 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC42807  Erigeron bloomeri var. bloomeri M. M. Hanna 1956-6-3 s.n. Modoc Hiway between Alturas & Cedarville, Calif. Comment
  CAS-BOT-BC42810  Erigeron bloomeri var. bloomeri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16385 Modoc 5 mi. E of California State Hwy 299 on Cedar Pass Rd. Comment
  CAS-BOT-BC42812  Erigeron bloomeri var. bloomeri John Thomas Howell 1934-6-11 11913 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC42847  Erigeron bloomeri var. bloomeri R. M. Austin 1894-6-1 s.n. Modoc Lava beds W of Willow Creek. Comment
  UC895622  Erigeron bloomeri var. bloomeri Lewis S. Rose 1940-6-12 40539 Modoc 6 mi ne Alturas 1341 Comment
  HSC67926  Erigeron compositus J. P. Smith, J. O. Sawyer 1973-8-8 7225 Modoc Near summit of Eagle Peak 2988 Comment
  JEPS29178  Erigeron compositus Lauramay T. Dempster 1961-6-20 1716 Modoc ridge just north of junction of Dismal Creek Road with Fort Bidwell Road; Warner Mts. 2346 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
  HSC5503  Erigeron coulteri M. T. Milligan 1964-7-25 184 Modoc Pine Creek Basin, along trail. 2439 Comment
  HSC5505  Erigeron coulteri M. T. Milligan 1966-7-3 539 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  HSC5514  Erigeron divergens M. T. Milligan 1964-6-6 14 Modoc N side of Dorris Reservoir along shore 1372 Comment
  HSC5542  Erigeron divergens M. T. Milligan 1966-7-26 582 Modoc N end of Jess Valley 1616 Comment
  UC31460  Erigeron divergens M. S. Baker and Frank Nutting 1894-1 Modoc Comment
  UC468814  Erigeron divergens M. F. Gilman 658 Modoc Comment
  CAS-BOT-BC42754  Erigeron eatonii var. plantagineus Annie Montague Alexander; L. Kellogg 1946-7-18 5013 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC42788  Erigeron eatonii var. plantagineus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16460 Modoc 3 mi. W of summit of Fandango Pass, across Warner Mountains Comment
  CAS-BOT-BC42790  Erigeron eatonii var. plantagineus Barrett Anderson 1986-7-9 3168 Modoc Stough Reservoir Road, just E of Cedar Pass near Stough Reservoir, Warner Mountains 1965 Comment
  CAS-BOT-BC42792  Erigeron eatonii var. plantagineus M. M. Hanna 1956-6-7 1013 Modoc Hwy 139 between Canby and Tienesta. Comment
  CHSC117858  Erigeron eatonii var. plantagineus L. P. Janeway 2016-5-16 11991 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  POM261455  Erigeron eatonii var. plantagineus Alice Eastwood, John Thomas Howell 1940-6-15 8286 Modoc About 15 miles N of Lookout Comment
  JEPS15467  Erigeron eatonii var. plantagineus Joseph and Hilda W. Grinnell 1938-6-16 1113 a Modoc Cedar Pass summit Warner Mountains 1920 Comment
  POM229172  Erigeron eatonii var. plantagineus L. C. Wheeler 1935-8-4 3783 Modoc Dry Lake, Pine Creek. Warner Mts. 2104 Comment
  CAS-BOT-BC42764  Erigeron elegantulus Fred D. Douthitt 1915-5-11 15 Modoc Juniper Flats near West Valley. 1524 Comment
  CAS-BOT-BC42771  Erigeron filifolius John Thomas Howell 1934-6-12 12014 Modoc Between Davis Creek and Plum Valley. Comment
  POM203066  Erigeron filifolius J. T. Howell 1934-6-30 12283 Modoc Duncan Horse Camp. Comment
  POM203844  Erigeron filifolius J. T. Howell 1934-6-12 12014 Modoc Between Davis Creek and Plum Valley 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
  SEINET8667350 Image available Erigeron glacialis D. A. 1988-8-13 205 Modoc Warner Mountains, near northeast shore of Patterson Lake 2749 Comment
  CAS-BOT-BC49614  Erigeron glacialis var. glacialis Elmer Ivan Applegate 1932-8-7 8238 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  HSC5082  Erigeron glacialis var. glacialis M. T. Milligan 1964-7-25 176 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC49637  Erigeron inornatus var. inornatus Leland S. Smith 1922-7-24 1290 Modoc Grouse Mt. 1981 Comment
  RSA520496  Erigeron inornatus var. inornatus Bruce Bartholomew 1989-7-14 4951 Modoc 6.5 km NE of Egg lake and 0.8 km E of Survice Gulch 1340 Comment
  CAS-BOT-BC49609  Erigeron linearis Annie Montague Alexander; L. Kellogg 1946-8-9 5137 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC49649  Erigeron linearis John Thomas Howell 1934-6-3 12252 Modoc Duncan Horse Camp. 1355 Comment
  JEPS5922  Erigeron linearis Frances D. Payne 1929-6-28 31 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  RSA245023  Erigeron linearis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19364 Modoc along the South fork of the Pit River, about 6 miles east of Likely Comment
  UC1037317  Erigeron linearis Leo Whitney 1934-5-27 1863 Modoc dry rocky flat near Hackamore; Modoc National Forest 1463 Comment
  UC87553  Erigeron linearis Mrs. R. M. Austin Jun 1894 260 Modoc Lava Beds Comment
  JEPS41566  Erigeron linearis L. S. Smith 1919-6-5 1116 Modoc Deep Creek Warren Mts., Deep Creek 1584 Comment
  RSA606127  Erigeron peregrinus subsp. callianthemus L. C. Wheeler 1935-8-8 3806 Modoc Consolidated Mine, Pine Creek, Warner Mountains. 2287 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-BC49586  Erigeron pumilus subsp. intermedius M. M. Hanna 1956-6-7 s.n. Modoc Highway 139, Canby to Tienesta. Comment
  CAS-BOT-BC497216  Eriogonum collinum Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -2 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  CAS-BOT-BC246494  Eriogonum douglasii var. meridionale Elmer I. Applegate 1932-8-1 8019 Modoc Crest of Warner Mountains just south of Warren Peak Comment
  CAS-BOT-BC197825  Eriogonum elatum Francis Dorris Payne 1932-7-22 738 Modoc Parker Creek. 1584 Comment
  NY572521  Eriogonum microthecum var. ambiguum B. M. Bartholomew 1991-8-5 6054 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mountains. 2530 Comment
  CDA35639  Eriogonum nudum J. R. Keck Jr. 1985-7-1 PDR# 237693 & PDR# 237694 Modoc U. S. Forest Service land, Modoc National Forest. 0 Comment
  CAS-BOT-BC211406  Eriogonum nudum var. pubiflorum R. M. Austin; Bruce 1898-8-1 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC211409  Eriogonum nudum var. pubiflorum Bruce Bartholomew; Barrett Anderson 1990-7-21 5552 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CAS-BOT-BC211438  Eriogonum nudum var. pubiflorum John Thomas Howell 1935-6-12 11985 Modoc Surprise Station. Comment
  CAS-BOT-BC211443  Eriogonum nudum var. pubiflorum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 190 Modoc Above Parker Creek near Modoc Nat. Forest. Comment
  HSC17327  Eriogonum nudum var. pubiflorum M. T. Milligan 1964-7-20 153 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  SEINET5330949  Eriogonum nudum var. pubiflorum M. S. Baker Unknown s.n. Modoc No data. Comment
  UC194971  Eriogonum nudum var. pubiflorum W. P. Taylor and H. C. Bryant 1910-8-7 Modoc mouth of canyon, Dry Cr. Warner Mountains, Dry Cr. 1447 Comment
  UCD100705  Eriogonum nudum var. pubiflorum Richard R. Halse 1991-7-28 4244 Modoc along State Hwy. 139, 13 miles NW of its junction with State Hwy 299. 1469 Comment
  NY283165  Eriogonum ovalifolium var. ovalifolium B. M. Bartholomew 1989-6-2 4828 Modoc 9.7 km. east of Eagleville at the California state border, east side of Surprise Valley. 1550 Comment
  CHSC106004  Eriogonum prociduum James L. Reveal 2007-6-3 8828 Modoc Along U.S. Highway 395 at milepost 31.7, 1.1 mile north of the Chimney Rock Exit near Surprise and about 3.5 miles north of California Highway 299. 1402 Comment
  CAS-BOT-BC211400  Eriogonum pusillum Bruce Bartholomew 1993-6-13 6612 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  JEPS56345  Eriogonum spergulinum var. reddingianum W. L. Jepson 1918-8-7 7871 Modoc Mt. Bidwell 2377 Comment
  CAS-BOT-BC211387  Eriogonum sphaerocephalum var. halimioides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 134 Modoc Above Parker Creek. Modoc National Forest Comment
  CAS-BOT-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-BC262721  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1938-6-24 15224 Modoc On slopes between Alturas and Canby 1341 Comment
  RSA739633  Eriogonum sphaerocephalum var. halimioides L. P. Janeway, B. Castro 2008-8-17 9575 Modoc Warner Mtns, 2.4km E of Bald Mtn, broad Saddle betw Daniels Creek and an unnamed northern branch of Soldier Creek. 2209 Comment
  CHSC114008  Eriogonum strictum var. anserinum L. P. Janeway 2014-7-8 11489 Modoc Modoc Plateau. At head of Sibley Draw, 0.5 km north of Sibley Lake (below and north of Dry Creek Rim). 1517 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
  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
  UCR34701  Eriogonum umbellatum var. dichrocephalum J. A. Harpel 1981-8-6 V 24 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  JEPS120514  Eriogonum umbellatum var. glaberrimum L. P. Janeway, B. Castro 2012-7-25 10991 Modoc Warner Mountains. Low broad dridge 1.1 km east of Dismal Swamp. Comment
  CHSC109488  Eriogonum umbellatum var. modocense L. P. Janeway; B. Castro 2012-7-24 10976 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  NY399269  Eriogonum umbellatum var. nevadense M. J. Williams 1984-7-1 8487- 6 Modoc Northwest of Alturas, Crowder Flat Road, near Big Sage Reservoir 1371.6 Comment
  RSA0114873  Eriogonum umbellatum var. nevadense L. P. Janeway 2014-7-8 11482 Modoc Modoc Plateau. East coner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  CAS-BOT-BC197613  Eriogonum umbellatum var. polyanthum Bruce Bartholomew 1990-6-15 5246 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  SJSU9133  Eriogonum umbellatum var. polyanthum H. L. Buckalew 1961-6-27 Modoc near Stough (""Stowe"") Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 2072 Comment
  SEINET5331989  Eriogonum umbellatum var. polyanthum M. J. Williams 1984-7-1 84- 86 -3 Modoc 3.1 mi N of Hwy 299 on Crowder Flat Road. 1341 Comment
  CAS-BOT-BC197590  Eriogonum vimineum Alice Eastwood; John Thomas Howell 1940-6-13 8172 Modoc Cedarville. Comment
  CAS-BOT-BC197599  Eriogonum vimineum Alice Eastwood; John Thomas Howell 1940-6-13 8134 Modoc W side of Fandango Pass. Comment
  CHSC106195  Eriogonum vimineum Lowell Ahart; John Dittes 2010-8-31 17115 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  JEPS56153  Eriogonum vimineum W. L. Jepson 1918-8-6 7851 Modoc Surprise Valley 1447 Comment
  RSA165635  Eriogonum vimineum Clare B. Hardham 7836 Modoc Davis Creek 1677 Comment
  CAS-BOT-BC197596  Eriogonum vimineum Harvey Monroe Hall 1925-8-30 12210 Modoc Mountain slopes, E side Goose Lake. Comment
  HSC17391  Eriogonum vimineum M. T. Milligan 1966-6-29 485 Modoc E slope of eroded volcanic plateau 1677 Comment
  HSC17398  Eriogonum vimineum M. T. Milligan 1964-7-24 163 Modoc Badger Wells Rd. at Boles Creek Crossing 1524 Comment
  UCSB17174  Eriogonum vimineum Hardham, Clare Modoc Davis Creek, Warner Mountains 1676 Comment
  CAS-BOT-BC49553  Eriophyllum lanatum Margaret J. Williams; et al 1988-6-2 88- 28 -10 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  HSC81108  Eriophyllum lanatum var. achilleoides G. M. Riegel 1979-7-12 530 Modoc South Warner Mtns. 1739 Comment
  POM358024  Eriophyllum lanatum var. achilleoides Christopher Davidson 1975-6-4 2611 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  UC711856  Eriophyllum lanatum var. achilleoides Roxana S. Ferris and Laura Lorraine 1941-8-13 10512 Modoc e Creek drainage Patterson Ranger Station; Modoc National Forest, Warner Mountains 2164 Comment
  SD61001  Eriophyllum lanatum var. achilleoides Darley F. Howe 1964-7-31 Modoc 8.5 miles from entrance to Modoc National Forest, road east of Likely, Warner Mountains. 1555 Comment
  RSA78965  Eriophyllum lanatum var. cuneatum E. K. Balls, Percy C. Everett 1952-10-11 18162 Modoc 4.9 miles west of turnoff to Lava Beds Monument, on road to Pumice Pits at east edge of Glass Flow 1280 Comment
  HSC5597  Eriophyllum lanatum var. integrifolium M. T. Milligan 1966-7-3 530 Modoc E of Jess Valley 1890 Comment
  JEPS6031  Eriophyllum lanatum var. integrifolium Frances D. Payne 1929-6-28 30 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC180081  Erodium cicutarium Elmer Ivan Applegate 1897-5-31 882 Modoc Bloody Point, Tule Lake. Comment
  CHSC107349  Erodium cicutarium Lowell Ahart; John Dittes 2011-6-22 17538 Modoc At 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. 1262 Comment
  HSC8473  Erodium cicutarium M. T. Milligan 1965-6-26 322 Modoc N end Jess Valley. 1616 Comment
  SD230150  Eryngium alismifolium Louis C. Wheeler 1935-8-21 3900 Modoc Devil's 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
  SFV18056  Eryngium articulatum 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
  SEINET10693724 Image available Eryngium articulatum Milo S. Baker 1899-8-12 Baker s.n. Modoc Egg Lake. Comment
  UCD77694  Eryngium articulatum Robert E. Preston 2000-7-18 1410 Modoc Ca. 14 mi nw of Canby, on n side of Hwy 139, 0.4 mi w of Forest Service Rd 44N11, T43N R8E ne 1/4 of se 1/4 Section 31 1467 Comment
  UC1510466  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc Modoc Nat'l Forest Rimrock Lake; , Rimrock Lake Comment
  CAS-BOT-BC58335  Erysimum repandum Isabelo T. Kelly 1930-1-1 55 Modoc Modoc County. Comment
  HSC6795  Erysimum repandum M. T. Milligan 1965-6-27 365 Modoc Eroded volcanic plateau W of Jess Valley 1829 Comment
  UC1332120  Erysimum repandum Alice Eastwood and John Thomas Howell 1940-6-12 8095 Modoc midway between Likely and Alturas Comment
  CAS-BOT-BC229905  Erythranthe breweri Bruce Bartholomew; Barrett Anderson 1990-7-20 5521 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CHSC30494  Erythranthe guttata N. E. H. Orouty 1980-5-25 164 Modoc Along stream from hot spring. Comment
  SEINET13768600 Image available Erythranthe guttata Francis W. Pennell 1940-1 25749 Modoc Warner Mountains, NE of Alturas, west of Cedar Pass. 1798 Comment
  CHSC79576  Erythranthe inflatula S. E. Schoenig 1998-7-5 98 -70 Modoc SW shore of Moll Reservoir, 2 meters from waters edge. 1499 Comment
Read comments
May 29 2009
  CAS-BOT-BC234523  Erythranthe lewisii K. Paulson; Robert Paulson 1989-7-14 181 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 1981 Comment
  SEINET195628 Image available Erythranthe lewisii Annie M. Alexander, Louise Kellogg 1946-1 5064 Modoc Bear Camp Flat Warner Mountains; at creek on trail to Emerson Camp. Comment
  CAS-BOT-BC234503  Erythranthe microphylla Edward Kent Balls 1950-5-18 14752 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1737 Comment
  CAS-BOT-BC234468  Erythranthe pulsiferae Bruce Bartholomew 1995-6-22 6974 Modoc Between Day and Lookout, 4.3 km W of Day on County Road 94. 1350 Comment
  CAS-BOT-BC234472  Erythranthe pulsiferae Bruce Bartholomew 1991-6-23 5885 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  CAS-BOT-BC292500  Erythranthe pulsiferae Milo S. Baker 1893-6-1 s.n. Modoc McCloud River, 6 mi below Bartles. Comment
  CAS-BOT-BC234430  Erythranthe suksdorfii Annie Montague Alexander; L. Kellogg 1946-7-24 5078 Modoc Bear Camp Flat. 2286 Comment
  CAS-BOT-BC190752  Eschscholzia californica Leland S. Smith 1920-8-8 1202 Modoc Alturas. 1341 Comment
  CAS-BOT-BC402922  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Modoc Lava Beds National Monument. Caldwell Butte, south slope Comment
  CHSC85429  Eurybia integrifolia John Dittes; Josephine Guardino 1991-8-23 453 Modoc Modoc Plateau; Warner Mountains; southwest edge of Dismal Swamp; ca. 7.4 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.7 air-miles south of Oregon border, ca. 3.3 air-mile northwest of summit of Bidwell Mtn. Meadow. 2209 Comment
  UC485629  Euthamia occidentalis Mrs. M. H. Manning 717 Modoc Likely; ; Irrigating ditch S. Fork of Pit River Comment
  SD96115  Festuca idahoensis Jack L. Reveal 1976-6-2 1838 Modoc Modoc National Forest, 48 miles south of Klamath Falls near Perez 1280 Comment
  UCD65969  Festuca idahoensis R. Tofsrud 1947-7-1 253 Modoc Between Canby and Adin. Comment
  UC1024863  Festuca occidentalis Leo Whitney 1935-6-1 3162 b Modoc ca 18 mi wnw Canby; Hole-in-the-Rock Comment
  UC1037140  Festuca pratensis Leo Whitney 1935-6-29 3359 Modoc Alturas Comment
  UCD32731  Festuca rubra Beecher Crampton 1954-7-8 2172 Modoc Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  UC1060654  Floerkea proserpinacoides Herbert L. Mason 1957-7-6 14717 Modoc Warner Mountains, Mill Creek Mill Creek; Warner Mountains, Mill Creek Comment
  JEPS44872  Fragaria virginiana Milo S. Baker 1893-6-15 Modoc Forestdale; sw Modoc Co. Comment
  CAS-BOT-BC217078  Frangula rubra Alice Eastwood; John Thomas Howell 1940-6-13 8155 Modoc E side of Fandango Pass. Comment
  POM76594  Frasera albicaulis var. modocensis Mrs. R. M. Austin 1894-07 517 Modoc Goose Lake Valley Comment
  RSA534561  Fraxinus latifolia Bruce Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake 1300 Comment
  UC22599  Fraxinus latifolia Milo S. Baker 1893-6 Modoc Lava Bed side, Egg Lake Egg Lake Comment
  CAS-BOT-BC242106  Fritillaria atropurpurea Bruce Bartholomew; Barrett Anderson 1988-6-24 4294 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC242109  Fritillaria atropurpurea Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6002 Modoc Cedar Pass, Warner Mts. 1920 Comment
  JEPS61887  Fritillaria atropurpurea Frances D. Payne 1931-6-25 266 Modoc 2 mi sw of Warner Mountain (Pine Creek Basin, southeastern Modoc County); Warner Mountains, Pine Creek Basin 2316 Comment
  CAS-BOT-BC242093  Fritillaria pudica Bruce Bartholomew; Barrett Anderson 1988-5-13 4162 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts.. 1760 Comment
  CAS-BOT-BC242100  Fritillaria pudica E. S. Willits 1940-4-16 177 Modoc Sugar Hill. Comment
  HSC29996  Fritillaria pudica D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19394 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  JEPS61941  Fritillaria pudica B. M. Payne 1930-3-29 342 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC225047  Galium aparine Bruce Bartholomew 1990-6-17 5303 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC225048  Galium aparine Annie Montague Alexander; L. Kellogg 1946-7-10 4958 Modoc Eight Mile Creek. 1752 Comment
  RSA520364  Galium aparine Bruce Bartholomew, B. Anderson 1989-4-29 4672 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir. NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC225061  Galium bifolium Bruce Bartholomew 1990-6-15 5243 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC248326  Galium bifolium B. Bartholomew; H. Sun 2002-6-24 8821 Modoc Just SW of Manzanita Mt. and ca. 15 straight line km NW of Aden 2000 Comment
  CHSC77231  Galium glabrescens subsp. modocense G. Schoolcraft. 1999-6-9 2830 Modoc About 2.5 mi N of Eagleville. 1584 Comment
  UC1485929  Galium glabrescens subsp. modocense Gregg M. Riegel 1980-8-25 1103 Modoc 1 mi s Squaw Pk. (1/4 mi e of Summit Trail); Modoc National Forest, S Warner Mt. Wilderness Area 2438 Comment
  RSA530114  Galium glabrescens subsp. modocense D. W. Taylor, Glenn Clifton 1989-8-6 10485 Modoc Snake Lake 1570 Comment
  CAS-BOT-BC225075  Galium mexicanum subsp. asperulum Verne Grant; I. Schneider 1947-6-22 8140 Modoc N Fork of Pit River on Hwy 395, ca. 1 mi. N of junction with Cedarville road. Comment
  HSC19827  Galium mexicanum var. asperulum M. T. Milligan 1966-7-25 577 Modoc E of Jess Valley 1707 Comment
  JEPS27198  Galium multiflorum Ehrendorfer and Stebbins 1959-6-27 5908 Modoc s Eagleville (cliff above Lower Alkali Lake); Warner Mts., cliff above Lower Alkali Lake 1524 Comment
  CAS-BOT-BC225080  Galium serpenticum subsp. warnerense Louis Cutter Wheeler 1935-8-6 3794 Modoc edge of Warner Mts., 0.25 mi. E Pine Creek (town). 1554 Comment
  UC1192009  Galium trifidum Herbert L. Mason and Verne Grant 1947-7-12 13434 Modoc n Likeley; Corporation Ranch Headquarters Comment
  CAS-BOT-BC180119  Garrya fremontii Leland S. Smith 1917-9-12 157 Modoc Buck Creek. 1828 Comment
  RSA67245  Gayophytum decipiens P. A. Munz 1951-9-14 16982 Modoc Cedar Pass, Warner Mountains 1921 Comment
  UC1075754  Gayophytum decipiens Robert J. Weatherby 1955-7-8 1609 B Modoc 7 mi n Ft. Bidwell 1874 Comment
  CAS-BOT-BC190845  Gayophytum diffusum subsp. diffusum Robert J. Weatherby 1955-7-8 1609 Modoc 7 mi. N of Fort Bidwell. 1874 Comment
  CAS-BOT-BC190853  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1990-7-21 5585 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  HSC80897  Gayophytum diffusum subsp. parviflorum G. M. Riegel 1979-7-30 633 Modoc S Warner Mtns. 2100 Comment
  JEPS27527  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1918-8-7 7863 Modoc Mt. Bidwell 2133 Comment
  JEPS27503  Gayophytum racemosum W. L. Jepson 1918-8-7 7889 Modoc Mt. Bidwell 2468 Comment
  UC1714623  Gayophytum racemosum Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC190818  Gayophytum ramosissimum John Thomas Howell 1934-6-30 12281 Modoc Duncan Horse Camp. 1355 Comment
  UC20275  Gayophytum ramosissimum Mrs. R. M. Austin June, 1894 Modoc Willow Creek Valley Comment
  CAS-BOT-BC190817  Gayophytum ramosissimum Elmer Ivan Applegate 1937-5-12 11084 Modoc Lyon road near north entrance, Lava Beds National Monument. Comment
  CAS-BOT-BC190822  Gayophytum ramosissimum Elmer Ivan Applegate 1936-5-22 10354 Modoc Lower part of Lyon Road, Lava Beds National Monument. Comment
  CAS-BOT-BC180116  Gentiana calycosa R. M. Austin 1894-9-1 1894 Modoc Lassen Creek. Comment
  RSA0029457  Geranium oreganum R. Weatherby 1955-7-8 1620 Modoc 6 miles north of Ft. Bidwell, Warner Mts. 1784 Comment
  CAS-BOT-BC180060  Geranium viscosissimum Bruce Bartholomew 1991-7-4 5900 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC180066  Geranium viscosissimum Alice Eastwood; John Thomas Howell 1940-6-13 8121 Modoc Near Davis Creek. Comment
  UC748252  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-6-30 4878 Modoc Highgrade, w side of ridge, n end of Warner Mountains Warner Mountains 2377 Comment
  CAS-BOT-BC180069  Geranium viscosissimum Elmer Ivan Applegate 1897-6-4 864 Modoc Summit of pass between Pit River and Madeline Plain. Comment
  HSC8661  Geranium viscosissimum M. T. Milligan 1964-7-4 218 Modoc Lassen Creek above lower campground 1829 Comment
  HSC8671  Geranium viscosissimum M. T. Milligan 1964-6-25 88 Modoc Upper Lassen Creek 1829 Comment
  JEPS47200  Geum macrophyllum Frances D. Payne 1931-6-29 302 B Modoc e slope Mount Warren, Warner Mountains Mount Warren; Warner Mountains, Mount Warren 2286 Comment
  NY1011720  Gilia gilioides var. integrifolia B. M. Bartholomew 1988-7-22 4538 Modoc Side Creek, west side of Lake City Canyon, east side of the Warner Mountains. Davis Creek 15' Quad 1980 Comment
  CAS-BOT-BC190693  Gilia inconspicua Elmer Ivan Applegate 1935-6-5 9321 Modoc Captain Jack's Stronghold, Lava Beds National Monument. Comment
  CAS-BOT-BC190679  Gilia modocensis Bruce Bartholomew 1991-5-25 5764 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  CAS-BOT-BC190670  Gilia sinistra subsp. sinistra Bruce Bartholomew 1991-7-6 5970 Modoc Service Gulch, 4.3 km W of County Road 91 on Forest Service road 42N03. 1330 Comment
  CAS-BOT-BC190676  Gilia sinistra subsp. sinistra Alice Eastwood; John Thomas Howell 1940-6-14 8216 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC247693  Glyceria elata Bruce Bartholomew 1989-8-11 5090 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  JEPS69272  Glyceria elata W. L. Jepson 1918-8-12 7945 Modoc South Fork Pass to Jess Valley 1584 Comment
  UC60735  Glyceria striata M. S. Baker and Frank Nutting 1894-8-25 Modoc Forestdale 1371 Comment
  CAS-BOT-BC49532  Gnaphalium palustre Roxana Stinchfield Ferris; R. Duthie 1919-6-15 160 Modoc Parker Creek, Warner Mountains. Comment
  CAS-BOT-BC49575  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1990-7-19 5402 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 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-BC49530  Gnaphalium palustre E. S. Willits 1939-10-10 163 Modoc unspecified Comment
  UC71856  Goodyera oblongifolia Mrs. M. H. Manning 1903-9-2 369 Modoc John Henry Camp, in north-eastern Modoc County John Henry Camp 1828 Comment
  CAS-BOT-BC229885  Gratiola heterosepala Bruce Bartholomew; Barrett Anderson 1990-7-19 5430 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC229893  Gratiola neglecta Verne Grant; I. Schneider 1947-7-20 8094 Modoc S loop of Westside Road, Pit Valley, N of Likely. Comment
  UC1191894  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-11 13374 Modoc along Highway #395 s Alturas (near w side of road); South Fork of Pitt River Comment
  UCD123723  Gratiola neglecta Verne Grant; Irving Schneider 1947-7-20 8094 Modoc south loop of Westside Road, Pitt Valley, north of Likely. 1341 Comment
  CAS-BOT-BC95537  Grayia spinosa Bruce Bartholomew 1991-6-22 5840 Modoc Surprise Valley, 5.6 km E of Eagleville. 1370 Comment
  CAS-BOT-BC49544  Grindelia hirsutula Francis Dorris Payne 1932-8-23 Modoc Shield Creek. 1645 Comment
  SEINET3146837  Grindelia hirsutula M. S. Baker sn Modoc Forest Dale Comment
  UC87884  Grindelia hirsutula Mrs. R. M. Austin 1886-8-1 Modoc Goose Lake Valley Comment
  CHSC67342  Grindelia nana James D. Jokerst 1986-8-10 2754 Modoc Radar Site Survey S of Doublehead Mtn., Rimrock Lake. 1341 Comment
  UC24777  Hackelia californica Milo S. Baker 1893-6 Modoc near Forestdale Comment
  RSA293416  Hackelia californica Reino Alava 1957-7-6 1185 Modoc 2 miles west of Benton Meadows, Davis Creek Pass Road, Modoc Nat l Forest Comment
  CAS-BOT-BC54058  Hackelia micrantha Elmer Ivan Applegate 1932-7-9 7590 Modoc Bidwell Mountain, Warner Mountains Comment
  UC881644  Hackelia micrantha C. L. Hitchcock 1940-5-27 6691 Modoc 15 mi ne of Alturas 1615 Comment
  CHSC117236  Helianthus annuus Lowell Ahart; John Dittes 2016-7-16 21244 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS34872  Helianthus annuus F. H. Frost 1925-7-18 80 Modoc Cedarville roadside 2 mi s Cedarville Comment
  CAS-BOT-BC49504  Helianthus cusickii Alice Eastwood; John Thomas Howell 1940-6-11 8022 Modoc 8 mi. from Canby on road to Alturas. Comment
  POM261369  Helianthus cusickii H. C. Cantelow 1940-5-31 s.n. Modoc 3 miles east of Canby Comment
Read comments
Jul 31 2007
  RSA505417  Helianthus cusickii R. C. Bacigalupi 1957-6-28 5986 Modoc On road along US Hwy 299, 2 miles east of railroad crossing (S.P.) near Canby 1311 Comment
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Jul 31 2007
  RSA611434  Heliotropium curassavicum var. oculatum L. C. Wheeler 1935-9-4 3943 Modoc Goose Lake: McGinty Point. 1463 Comment
  UC1597521  Hemizonella minima Mrs. R. M. Austin Modoc Comment
  UCD132029  Hemizonella minima Beecher Crampton 1960-6-17 5690 Modoc 5 miles south of Perez, Plant Quarantine Station. 1371 Comment
  HSC21507  Heracleum maximum M. T. Milligan 1966-7-3 524 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CHSC106329  Herniaria hirsuta subsp. hirsuta Lowell Ahart; John Dittes 2010-8-31 17110 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  RSA0128984  Hesperochiron californicus Bruce Bartholomew, B. Anderson 1988-5-14 4209 Modoc Southwest corner of Big Sage Reservoir. 1500 Comment
  RSA420874  Hesperochiron californicus George Willet 1935-6-13 s.n. Modoc 4 miles east of Likely 1524 Comment
  CAS-BOT-BC180034  Hesperochiron pumilus Mrs. H. C. Cantelow 1941-5-22 Modoc Hwy 299 just S of Adin Pass Summit. Comment
  CAS-BOT-BC180037  Hesperochiron pumilus K. Paulson; Robert Paulson 1991-5-25 217 Modoc Near Fletcher Creek. 1584 Comment
  RSA0110965  Hesperochiron pumilus Bruce Bartholomew, B. Anderson 1988-5-12 4102 Modoc White Horse 1340 Comment
  CAS-BOT-BC179181  Hesperolinon micranthum Frank Warrington Peirson 1926-6-25 6858 Modoc Cedarville Road, about 10 mi. E of Alturas. Comment
  CAS-BOT-BC179169  Hesperolinon micranthum Mrs. R. M. Austin 1894-8-1 Modoc Hills, Lassen Creek. Comment
  UC1212421  Hesperolinon micranthum Herbert L. Mason 1947-8-9 13486 Modoc 33.2 mi e of Alturus (Ridge n of Cedar Camp, near Cedar Pass, Warner Mountains); Warner Mountains Comment
  UC1055935  Heteranthera dubia Herbert L. Mason 1955-8-14 14658 Modoc below Canby; Pit River Comment
  UC1100976  Heteranthera dubia Verne Grant and Irving Schneider 1947-8-28 8349 Modoc ca. 3 1/2 mi downstream from Canby (at entrance to gorge); Pit River Comment
  UC1536816  Heteranthera dubia Gordon H. True Jr. 1939-7-19 1007 Modoc near Canby Pit R. Comment
  CAS-BOT-BC225790  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-29 5089 Modoc Head of Eagle Creek, Warner Mts. Comment
  CAS-BOT-BC225796  Heuchera cylindrica Leland S. Smith 1917-7-2 57 Modoc Head of Shield Creek. 2316 Comment
  CAS-BOT-BC225799  Heuchera cylindrica Bruce Bartholomew 1992-8-8 6375 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  SEINET195696  Heuchera cylindrica Annie M. Alexander, L Kellogg 1946-7-3 4902 Modoc Bidwell Creek Canyon 3.5 mi W of Fort Bidwell Comment
  RSA0062922  Heuchera cylindrica var. alpina R. Weatherby 1955-7-8 1629 Modoc 6 miles N of Ft. Bidwell. No. Warner Mtns. 1646 Comment
  HSC69529  Hieracium albiflorum Gary Schoolcraft 1980-7-22 325 Modoc Lake City Canyon 1890 Comment
  POM229874  Hieracium albiflorum L. C. Wheeler 1935-8-14 3837 Modoc Pine Creek. Warner Mtns. 2011 Comment
  HSC5841  Hieracium horridum M. T. Milligan 1966-6-30 503 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC49483  Hieracium scouleri Francis Dorris Payne 1929-7-20 104 Modoc Parker Creek, Warner Mtns. 1584 Comment
  CAS-BOT-BC49519  Hieracium scouleri Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10610 A Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mtns., Modoc N.F. 1889 Comment
  CHSC109209  Hieracium scouleri L. P. Janeway; B. Castro 2012-7-24 10965 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  CHSC109426  Hieracium scouleri L. P. Janeway; B. Castro 2012-7-24 10973 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  CHSC109466  Hieracium scouleri L. P. Janeway; B. Castro 2012-7-28 11035 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). 1938 Comment
  JEPS36590  Hieracium scouleri L. S. Smith 1918-7-22 1004 Modoc Blue Lake Modoc Forest, Blue Lake 1828 Comment
  OBI49174  Hieracium scouleri Lewis S. Rose 1940-6-12 40527 Modoc 9 mi E of Likely 1676 Comment
  RSA540061  Hieracium scouleri Bruce Bartholomew, B. Anderson 1990-7-19 5418 Modoc Top of Hunters Ridge south of Rush Creek. 1960 Comment
  UC201716  Hieracium scouleri W. P. Taylor and H. C. Bryant 1910-1-1 Modoc Head North Fork Parker Creek Warner Mountains, Head North Fork Parker Creek 2286 Comment
  UC485537  Hieracium scouleri M. F. Gilman 643 Modoc Comment
  UCD84978  Holcus lanatus L. Whitney 1935-8-24 105 Modoc Jess Valley. Comment
  CAS-BOT-BC214689  Holodiscus microphyllus var. glabrescens Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10583 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mts. Comment
  CAS-BOT-BC214692  Holodiscus microphyllus var. glabrescens Francis Dorris Payne 1929-7-26 109 Modoc Pine Creek Basin. 2133 Comment
  HSC80696  Holodiscus microphyllus var. glabrescens G. M. Riegel 1979-7-23 553 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC247685  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew 1990-8-5 5674 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  CAS-BOT-BC247679  Hordeum jubatum Herbert Louis Mason 1947-8-9 13478 Modoc E side of Fairchild Swamp, N of Alturas. Comment
  SBBG115845  Hordeum jubatum B. Crampton 1954-7-7 2160 Modoc 2.5 mi E of Alturas, near radio stn Comment
  UC1024671  Hordeum marinum subsp. gussoneanum Leo Whitney 1934-5-25 2178 Modoc ca 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UC1024966  Hordeum marinum subsp. gussoneanum Leo Whitney 1935-7-6 3442 Modoc Pit River Lookout; Pit River Comment
  UCD85774  Hordeum marinum subsp. gussoneanum A. A. Beetle 1941-6-29 2839 Modoc Near summit of Mt. Adin. 1828 Comment
  CDA2196  Hordeum marinum subsp. gussoneanum Loring White 1953-3-11 Modoc 0 Comment
  UC1024886  Hordeum murinum subsp. glaucum Leo Whitney 1935-5-26 3131 a Modoc Adin Comment
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May 5 2009
  RSA611269  Horkelia fusca subsp. pseudocapitata Louis C. Wheeler 1935-8-1 3726 Modoc Dismal Swamp. Twenty Mile Creek, Warner Mountains. 2226 Comment
  CAS-BOT-BC214714  Horkelia tridentata Bruce Bartholomew 1995-6-24 7030 Modoc 0.3 km W of turn off to Dusty's Waterhole from Forest Service Road 42N23. 1320 Comment
  CAS-BOT-BC214717  Horkelia tridentata Bruce Bartholomew 1995-6-1 6918 Modoc NW edge of Little Hot Spring Valley NW of Day. 1080 Comment
  RSA249347  Horkelia tridentata D. H. Norris, S. Dowty, S. Nelson 1971-6-23 19508 Modoc along the South fork of the Pit River, about 6 miles east of Likely. Comment
  UC12373  Horkelia tridentata subsp. tridentata Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC58587  Hornungia procumbens Bruce Bartholomew 1995-5-13 6901 Modoc E of Eagleville near Eagleville Airport, S end of Surprize Valley. 1390 Comment
  SD87678  Hydrophyllum capitatum Frank W. Peirson 1926-6-25 6875 Modoc Warner MTs. Cedarville Rd. 1 mi E of summit. Comment
  CAS-BOT-BC180026  Hydrophyllum capitatum var. alpinum Leland S. Smith 1919-5-18 1102 Modoc Jess Valley. 1600 Comment
  CAS-BOT-BC180029  Hydrophyllum capitatum var. alpinum Betty J. Hammerly 1941-6-20 28 Modoc Along Clear Lake, S end of Warner Mts. Comment
  UC1069092  Hydrophyllum capitatum var. alpinum R. C. Wilson 1933-5-29 32 Modoc Rush Creek; Modoc National Forest, Canby Quad. 1310 Comment
  UC73703  Hydrophyllum capitatum var. alpinum Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC748321  Hydrophyllum capitatum var. alpinum Annie M. Alexander and Louise Kellogg 1946-6-5 4661 Modoc s of Eagleville (Emerson Camp, Emerson Creek); Warner Mountains, Emerson Creek 2133 Comment
  CAS-BOT-BC179899  Hypericum anagalloides Bruce Bartholomew 1989-8-11 5101 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  CAS-BOT-BC179902  Hypericum anagalloides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 41 Modoc Bank of Parker Creek 1 mi. above Modoc Nat. Forest Boundary. Comment
  RSA580356  Hypericum androsaemum L. C. Wheeler 1935-09 3954 Modoc McGinty Reservoir, Devil's Garden. 1463 Comment
  CAS-BOT-BC179896  Hypericum scouleri Leland S. Smith 1929-6-1 1436 Modoc Happy Camp. 1524 Comment
  UC449780  Ipomopsis aggregata Franklin P. Nutting Modoc near Forestdale Comment
  UC23471  Ipomopsis congesta Milo S. Baker 1893-8-10 Modoc 1219 Comment
  CAS-BOT-BC245105  Iris missouriensis M. M. Hanna 1956-6-7 1022 Modoc Hwy 395, 0.25 mi N of Davis Creek. Comment
  HSC13879  Iris missouriensis M. T. Milligan 1966-6-28 480 Modoc N end Jess Valley 1616 Comment
  SEINET4170726  Iris missouriensis C. L. Hitchcock 1940-5-28 Modoc 15 miles N. of Alturas. 1402 Comment
  JEPS17193  Iris missouriensis B. M. Payne 1931-5-17 343 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  POM109053  Iris missouriensis Mrs. R. M. Austin 1895-06 498 Modoc Goose Lake Valley Comment
  RSA59532  Iris missouriensis E. K. Balls 1950-5-20 14806 Modoc 2.1 miles above S Fork Public Camp, aldong S Fork Pit River to Jess Valley 1463 Comment
  CAS-BOT-BC58405  Isatis tinctoria Thomas C. Fuller 1963-7-16 10913 Modoc E side of Fandango Pass Rd., 1.8 mi. E of Hwy 395 to Willow Ranch. Comment
  SEINET5342458  Isatis tinctoria M. J. Williams 1984-6-29 84- 73 -1 Modoc Fandango Pass road, Warner Mountains. 0.8 miles east of Hwy. 395. 1463 Comment
  SEINET6164863  Isoetes howellii L. C. Wheeler 1935-8-3 3757 Modoc Warner Mtns; Rock Lake, Pine Creek 1920 Comment
  JEPS55198  Isopyrum stipitatum Leland S. Smith 1918-4-29 917 Modoc e slope above Main ridge Adin (Adin, Modoc Forest); Modoc Forest 1981 Comment
  UCR64880  Iva axillaris George K. Helmkamp 1990-9-23 H- 01 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  SBBG8490  Iva axillaris H. and M. Dearing 1939-6-7 3576 Modoc E of Adin Comment
Read comments
Apr 21 2015
  CAS-BOT-BC214722  Ivesia gordonii Annie Montague Alexander; L. Kellogg 1946-8-9 5140 Modoc Patterson Lake Trail, Warner Mts. Comment
  CHSC99252  Juncus ambiguus Lowell Ahart; John Dittes 2008-6-21 15002 Modoc On damp to dry bare soil, around a new man made shallow pond, mountain meadow, in Big Valley, about 3.3 miles (air) north-northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.0 miles (air) northeast of Bieber. 1260 Comment
  CHSC100109  Juncus balticus L. P. Janeway; B. Castro 2008-8-16 9546 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 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-BC245075  Juncus balticus subsp. ater Herbert Louis Mason; Verne Grant 1947-7-10 13356 Modoc 1/4 mi. W of Dorris Reservoir, 2 mi. E of Alturas. Comment
  JEPS121227  Juncus bufonius var. occidentalis Lowell Ahart, John Dittes 2013-7-24 18930 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  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
  UCD146977  Juncus bufonius var. occidentalis Chuck Hughes 2012-9-13 348 Modoc Bear Mountain 2005 Comment
  CAS-BOT-BC245061  Juncus ensifolius Leland S. Smith 1922-8-8 1332 Modoc Dutch Flat. 1524 Comment
  UC1601861  Juncus ensifolius Baker and Nutting 1894-7-28 Modoc Bridge Creek Comment
  CAS-BOT-BC245047  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-12 6605 Modoc Flat between Egg Lake and Lookout just E of railroad track. 1260 Comment
  CAS-BOT-BC245048  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-24 7036 Modoc 6 km E of Burlington Northern Railroad track on Forest Service Road 42N03. 1340 Comment
  UC1540127  Juncus luciensis Dean Wm. Taylor and Glenn L. Clifton 1987-6-24 9054 Modoc Egg Lake, extreme se portion of lakebed Egg Lake 1280 Comment
  UCD141620  Juncus nevadensis Verne Grant; Irving Schneider 1947-7-22 8149 Modoc Headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  RSA577832  Juncus nevadensis L. C. Wheeler 1935-9-23 4003 Modoc Pease Flat, Devil s Garden. 1524 Comment
  UC1100990  Juncus nevadensis Verne Grant and Irving Schneider 1947-8-28 8337 Modoc nw of Alturas; Jack Swamp Comment
  UC1601791  Juncus nevadensis Baker and Nutting 1894-1 Modoc Comment
  CHSC115508  Juncus trilocularis L. P. Janeway 2014-7-8 11468 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
  CHSC38995  Juncus trilocularis J. D. Jokerst 1983-7-18 1842 Modoc At edge of meadow, Miller's Flat, NW of town of Aden. East edge of meadow. Comment
  CAS-BOT-BC30162  Juniperus communis var. montana Francis Dorris Payne 1932-7-1 653 Modoc Pine Creek Basin, Warner Mts. Comment
  HSC26492  Juniperus occidentalis J. P. Smith, J. O. Sawyer 1972-5-6 5264 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  HSC80923  Juniperus occidentalis G. M. Riegel 1979-8-13 655 Modoc S Warner Mtns. 1670 Comment
  UC1134338  Juniperus occidentalis R. C. Wilson 1933-6-27 54 Modoc Rush Creek Modoc National Forest, Canby Quad., Rush Creek 1463 Comment
  SEINET10531162  Juniperus occidentalis LeRoy E. Detling 1948-5-23 Detling 6245 Modoc Plum Ridge, near Canby. Yellow Pine forest. Pinus ponderosa, P. jeffreyi, Juniperus occidentalis & Arctostaphylos patula. Level plateau; rocky red clay-loam. 1524 Comment
  UCR1827  Juniperus occidentalis var. occidentalis Frank C. Vasek 1962-9-2 620902 14 Modoc 4.2 mi east of Likely 2287 Comment
  CAS-BOT-BC95675  Kalmia polifolia Bruce Bartholomew; Barrett Anderson 1988-6-24 4345 Modoc Vicinity of Blue Bell Mine between Lily Lake and and Fort Bidwell on County Road 2, Warner Mts.. 2190 Comment
  CHSC109475  Kalmia polifolia L. P. Janeway; B. Castro 2012-7-27 11025 Modoc Warner Mountains. North-sloping meadow opening just above Mineral spring, 0.5 air km east of Yellow Mountain. 2361 Comment
  SEINET2029157 Image available Kalmia polifolia L. C. Wheeler 1935-8-4 3776 Modoc Warner Mountains, Pine Creek 2210 Comment
  POM229190  Kalmia polifolia subsp. microphylla L. C. Wheeler 1935-8-4 3776 Modoc Pine Creek, Warner Mts. 2210 Comment
  CAS-BOT-BC225086  Kelloggia galioides Annie Montague Alexander; L. Kellogg 1946-7-23 5039 Modoc E slope of Emerson Peak. Comment
  CAS-BOT-BC225089  Kelloggia galioides Louis Cutter Wheeler 1935-8-14 3836 Modoc Pine Creek. 2011 Comment
  POM299547  Kelloggia galioides Marion Ownbey, Fred G. Meyer 1940-7-1 2149 Modoc Cedar Peak, Warner Mountains. Comment
  CAS-BOT-BC247651  Koeleria macrantha Leland S. Smith 1917-7-4 101 Modoc Above Cedarville. 1828 Comment
  CAS-BOT-BC247676  Koeleria macrantha John H. Hatton 1911-6-22 168 Modoc unspecified 1524 Comment
  UCD85732  Koeleria macrantha Beecher Crampton; Carl Rimbey 1954-7-8 2182 Modoc west slope of Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  UC71919  Lactuca serriola Mrs. M. H. Manning 253 Modoc near Fort Bidwell (ne Modoc County) Comment
  UC71829  Lactuca tatarica subsp. pulchella M. H. Manning 1903-1-1 254 Modoc Comment
  CAS-BOT-BC49494  Lagophylla ramosissima subsp. ramosissima Alice Eastwood; John Thomas Howell 1940-6-14 8202 Modoc Near Kelly Hot Spring. Comment
  CAS-BOT-BC179873  Lamium amplexicaule Leland S. Smith 1919-5-1 1082 Modoc Jess Valley, Clarke Ranch. 1600 Comment
  CAS-BOT-BC49452  Lasthenia glaberrima Bruce Bartholomew 1991-10-12 6110 Modoc Ash Creek, 1.8 km S of County Rd. 87 on County Rd. 87A. 1280 Comment
  CAS-BOT-BC181982  Lathyrus brownii Roxana Stinchfield Ferris; R. Duthie 1919-6-13 124 Modoc Above Parker Creek, Warner Mts. 2133 Comment
  UC15396  Lathyrus brownii Mrs. C. C. Bruce Jun 1898 2223 Modoc Lake City pass Lake City Comment
  UC15395  Lathyrus lanszwertii var. lanszwertii Mrs. R. M. Austin and Bruce Jul 1898 2224 Modoc Comment
  RSA488570  Lathyrus rigidus Bruce Bartholomew 1988-5-14 4185 Modoc 4.5 km S of Davis Creek on Hwy 395, SE side of Goose Lake 1470 Comment
  UC748301  Lathyrus rigidus Annie M. Alexander and Louise Kellogg 1946-6-14 4768 Modoc Silver Creek branch of Patterson Mill road Silver Creek 1828 Comment
  CAS-BOT-BC49456  Layia glandulosa Fred D. Douthitt 1916-5-11 11 Modoc Juniper Flats near West Valley. 1524 Comment
  CAS-BOT-BC49460  Layia glandulosa Leland S. Smith 1920-7-21 1105 Modoc Mill Creek. 2133 Comment
  HSC5919  Layia glandulosa M. T. Milligan 1965-7-1 407 Modoc Plateau W of Jess Valley. 1829 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
  CHSC117030  Lemna minuta Lowell Ahart; John Dittes 2016-6-6 20969 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
  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
  POM312463  Lemna trisulca H. L. Mason, Verne Grant 1947-7-12 13432 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  UC1101297  Lemna turionifera Herbert L. Mason, Verne Grant 1947-7-12 13389 Modoc several mi s of Alturas (by Jones' Lane, off Highway 395) Comment
  CAS-BOT-BC58663  Lepidium chalepense K. Paulson; Robert Paulson 1990-7-21 214 Modoc Patterson Meadow, Warner Mts. Comment
  CHSC100224  Lepidium dictyotum var. acutidens John Dittes; Josephine Guardino 1991-6-1 369 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 southeast base of Pilot Butte. 1258 Comment
  JEPS114372  Lepidium dictyotum var. dictyotum Lowell Ahart, John Dittes 2008-6-21 15011 Modoc Along a large levee, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber 1266 Comment
  CAS-BOT-BC190632  Leptodactylon pungens Elmer Ivan Applegate 1932-7-9 7610 Modoc N slope of Bidwell Mountain. Comment
  RSA100701  Leptosiphon harknessii Ella Dales Cantelow 1940-6-2 4133 Modoc About 10 miles N.W. of Canby, on road to Lava Beds Monument Comment
  RSA325722  Leptosiphon harknessii A. Tiehm 1984-6-30 8842 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  RSA503046  Leptosiphon nuttallii K. Paulson, R. Paulson 1988-7-9 70 Modoc Near Poison Lake, Warner Mountains 2134 Comment
  CAS-BOT-BC242079  Leucocrinum montanum K. Paulson; Robert Paulson 1989-4-16 103 Modoc Crowder Flat Road, Devil's Garden. Comment
  CAS-BOT-BC242085  Leucocrinum montanum Bruce Bartholomew; Barrett Anderson 1988-5-13 4139 Modoc W side of Dorris Reservoir, ca. 4 km E of Alturas. 1340 Comment
  JEPS61978  Leucocrinum montanum Mary H. Manning c. 1912 Modoc Ft. Bidwell Comment
  UC1134622  Leucocrinum montanum R. C. Wilson 1933-5-23 26 Modoc Pothole Gulch; Modoc National Forest, Canby Quad. 1341 Comment
  CAS-BOT-BC197453  Lewisia nevadensis Bruce Bartholomew 1995-6-3 6953 Modoc 5.1 km W of Goose Lake on Forest Service Road 73 between Goose Lake and Crowder Flat Road. 1580 Comment
  CAS-BOT-BC197462  Lewisia nevadensis Elmer Ivan Applegate 1932-8-1 8024 Modoc Summit of Warner Mts. just S of Warren Peak. Comment
  CAS-BOT-BC248369  Lewisia nevadensis B. Bartholomew; H. Sun 2002-6-24 8858 Modoc Headwaters of Davis Creek, W side of the Warner Mountains 2160 Comment
  HSC25979  Lewisia nevadensis D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-22 19347 Modoc Soup Springs Campground Comment
  JEPS43176  Lewisia nevadensis Frances D. Payne 1929-7-7 60 Modoc 2 mi sw Warren Peak (Pine Creek Basin); Warner Mts., Pine Creek Basin 2133 Comment
  CAS-BOT-BC197491  Lewisia rediviva Elmer Ivan Applegate 1932-7-9 7606 Modoc Summit of Bidwell Mountain, Warner Mts. Comment
  UC7812  Lewisia rediviva Milo S. Baker 1893-7-3 Modoc near Lookout; Big Valley 1219 Comment
  UCD64240  Leymus cinereus L. Whitney 1935-7-6 3410 Modoc Pit River near Lookout. Comment
  UCD64272  Leymus cinereus Hursh 1919-10-30 X 3323 Modoc Alturas. Comment
  JEPS117172  Leymus triticoides Lowell Ahart, John Dittes 2010-8-31 17131 Modoc West 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
  JEPS73995  Leymus triticoides Frances D. Payne 1932-7-18 710 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1024935  Leymus triticoides Leo Whitney 1935-7-1 3341 Modoc 17 mi nw Canby; Badger Wells Comment
  UC1037150  Leymus triticoides Leo Whitney 1935-7-6 3414 Modoc near Lookout; Pit River Comment
  UC1037166  Leymus triticoides Leo Whitney 1935-7-12 3500 Modoc Cottonwood Flat Comment
  CAS-BOT-BC242076  Lilium pardalinum subsp. shastense Bruce Bartholomew 1989-7-14 4933 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC242070  Lilium washingtonianum Bruce Bartholomew 1989-7-14 4928 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 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
  UC449824  Linanthus ciliatus Franklin P. Nutting Modoc near Egg Lake; Lava Comment
  CAS-BOT-BC198034  Linanthus harknessii Alice Eastwood; John Thomas Howell 1940-6-14 8222 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC198037  Linanthus harknessii Arnold Tiehm 1984-6-30 8842 Modoc NW side of Bidwell Mt., 2.8 road mi. N of Eight Mile Creek on road to Lake Annie. 1828 Comment
  CAS-BOT-BC198038  Linanthus harknessii Bruce Bartholomew 1991-7-7 6003 Modoc SE end of Sweargart Flat. 1820 Comment
  UC526130  Linanthus harknessii John Thomas Howell 1934-6-12 12031 Modoc Plum Valley Warner Mts. Comment
  UC71572  Linanthus harknessii Mrs. M. H. Manning 1903-8-21 284 Modoc Fandago Peak, ne Modoc County Warner Range Comment
  CAS-BOT-BC198026  Linanthus nuttallii subsp. nuttallii K. Paulson; Robert Paulson 1989-7-14 179 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 2171 Comment
  CAS-BOT-BC198029  Linanthus nuttallii subsp. nuttallii Louis Cutter Wheeler 1935-8-5 3789 Modoc Little Lily Lake, Warner Mts. 2286 Comment
  HSC17064  Linanthus pungens M. T. Milligan 1966-6-19 467 Modoc Plateau W of Jess Valley 1829 Comment
  CDA6357  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-8-27 11169 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CDA6363  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-8-29 9485 Modoc Near Sugar Hill Planting, Lassen Creek, 11 miles south of New Pine Creek. 0 Comment
  CDA6365  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-7-16 10909 Modoc Lassen Creek, Sugar Hill Planting, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CDA6366  Linaria vulgaris T. C. Fuller 1960-7-27 4876 Modoc Lassen Creek, near Sugar Hill Planting. 0 Comment
  CAS-BOT-BC179160  Linum lewisii B. Bartholomew; Barrett Anderson 1988-6-24 4314 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC179166  Linum lewisii B. Bartholomew 1991-5-25 5758 Modoc Turner Creek at County Rd. 90, N end of Big Valley, 6.4 km N of Lassen County line. 1230 Comment
  RSA534598  Listera convallarioides Bruce Bartholomew 1991-8-6 6088 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mountains 2130 Comment
  UC748215  Lithophragma glabrum Annie M. Alexander and Louise Kellogg 1946-6-5 4666 Modoc s Eagleville (Emerson Creek); Warner Mountains, Emerson Creek 2072 Comment
  UC858192  Lithophragma glabrum C. L. Hitchcock 1940-5-27 6718 Modoc 15 mi ne Alturas 1981 Comment
  OBI47979  Lithophragma glabrum Rhonda Riggins 1989-4-28 1658 Modoc Pencil Rd 4.1 mi N of hwy 395 E of Alturas 1402 Comment
  CAS-BOT-BC225827  Lithophragma parviflorum Mrs. H. C. Cantelow 1941-5-23 Modoc 2 mi. W of Adin Pass Summit, W of Alturas, near U.S. Hwy 299. Comment
  CAS-BOT-BC225828  Lithophragma parviflorum Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1837 Modoc Summit of Cedar Pass, Warner Mts. 1920 Comment
  JEPS47672  Lithophragma parviflorum Milo S. Baker 1893-1 Modoc Big Valley; Craig's Comment
  UCR87509  Lithophragma parviflorum George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC225839  Lithophragma tenellum Bruce Bartholomew; Barrett Anderson 1988-5-14 4211 Modoc SW corner of Big Sage Reservoir. 1500 Comment
  CAS-BOT-BC225841  Lithophragma tenellum Bruce Bartholomew; Mona Bourell 1990-4-27 5167 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  JEPS5956  Lithophragma tenellum Frances D. Payne 1932-7-1 660 Modoc 2 mi sw Mt. Warren (Pine Creek Basin, se Modoc County); Warner Mts., Pine Creek Basin, sw of Mt. Warren 2133 Comment
  CAS-BOT-BC54034  Lithospermum ruderale C. L. Hitchcock 1940-5-27 6654 Modoc 9 mi. NE of Alturas. 1402 Comment
  CAS-BOT-BC54040  Lithospermum ruderale Edward Kent Balls 1950-5-11 14614 Modoc 2 mi. N of Lake City, W of Upper Alkali Lake. 1417 Comment
  CHSC68564  Lithospermum ruderale Vernon H. Oswald; Beth Corbin, Gary Schoolcraft 1997-5-17 8462 Modoc Old Emigrant Trail on the north side of the Pit River south of Canby Bridge. 1295 Comment
  UC71570  Lithospermum ruderale M. H. Manning May 1903 98 a Modoc near Fort Bidwell ne Modoc county Comment
  HSC28842  Lomatium bicolor var. leptocarpum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19497 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC1036074  Lomatium bicolor var. leptocarpum Annie M. Alexander and Louise Kellogg 1946-6-14 4770 Modoc Silver Creek branch of Patterson Mill rd. 1828 Comment
  CAS-BOT-BC497331  Lomatium bicolor var. leptocarpum G. Schoolcraft 1998-5-19 2708 Modoc 1/2 mi E of Hwy 395 on Hwy 299, E. Alturas 1386 Comment
  RSA504594  Lomatium bicolor var. leptocarpum Bruce Bartholomew, B. Anderson 1988-6-23 4291 Modoc South side of Egg Lake, ca. 1.5 km west of the Burlington Northern railroad track 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
  RSA540057  Lomatium dissectum var. multifidum Bruce Bartholomew, M. Bourell 1990-4-26 5164 Modoc Vicinity of Ostrom Point, N side of Pit River, 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  NY1141601  Lomatium gormanii B. M. Bartholomew 1988-5-13 4164 Modoc Granger Summit, ca. 10 km northwest of Pepperdine at the top of the Warner Mountains 1770 Comment
  UC1608976  Lomatium grayi B. Bartholomew 1993-6-13 6634 Modoc e. side Surprise Valley (just w. of Sand Creek on rd. from Hwy. 299 to Leonard Hot Spring) 1410 Comment
  SEINET7878180 Image available Lomatium leptocarpum Unknown 1946-1 4770 Modoc Silver Creek branch of Patterson Mill road 1829 Comment
  POM78500  Lomatium macrocarpum Mrs. R. M. Austin 1895-05 28 Modoc Goose Lake Valley Comment
  RSA540073  Lomatium nevadense var. nevadense Bruce Bartholomew, Anderson 1989-4-29 4669 Modoc 6.4 km E of Fort Bidwell on rad to Fee Reservoir, NE corner of Surprise valley. 1460 Comment
  CAS-BOT-BC15759  Lomatium nevadense var. nevadense Roxana Stinchfield Ferris; R. Duthie 1919-6-14 98 Modoc E of Alturas, Warner Mts. 2133 Comment
  UC106256  Lomatium nevadense var. parishii Mrs. R. M. Austin May 1894 415 Modoc Goose Lake Valley Comment
  CAS-BOT-BC15770  Lomatium nudicaule K. Paulson; Robert Paulson 1988-6-19 55 Modoc Loveness road. 1493 Comment
  HSC21600  Lomatium triternatum M. T. Milligan 1965-6-27 373 Modoc N end Jess Valley 1616 Comment
  UC1562720  Lomatium triternatum var. macrocarpum Barbara Ertter 1988-6-18 7645 Modoc Adin Summit on Hwy,. 299 n. Adin; Adin Summit 1584 Comment
  CAS-BOT-BC21424  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-14 8208 Modoc Howards Gulch. Comment
  POM78253  Lomatium vaginatum Mrs. R. M. Austin 1895-05 27 Modoc Goose Lake Valley Comment
  UC1561209  Lomatium vaginatum Barbara Ertter 1989-5-2 8433 Modoc on Hwy 395 n.e. <Alturus> (2.9 mi. n. of junction to Cedarville (Rt. 299)) 1402 Comment
  OBI81742  Lomatium vaginatum Tracey Call, Viola Call 1961-5-30 2055 Modoc 16 miles north of Alturas. Comment
  CAS-BOT-BC181957  Lotus denticulatus Milo Samuel Baker; Franklin P. Nutting 1894-6-8 Modoc Near Egg Lake. Comment
  CAS-BOT-BC181954  Lotus humistratus Bruce Bartholomew 1991-6-21 5820 Modoc N side of Mud Lake, 5.3 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC190814  Ludwigia peploides subsp. peploides Bruce Bartholomew 1994-10-9 6887 Modoc 0.5 km N of Lassen County on road to Eagleville, S end of Surprise Valley. 1380 Comment
  RSA0029194  Lupinus John F. Emmel 1997-6-8 1494 Modoc 3 to 4 road miles east of Hwy. 395 on Hwy. 299 (Cedarville Road). 1524 Comment
  CAS-BOT-BC181913  Lupinus arbustus K. Paulson; Robert Paulson 1991-7-27 245 Modoc Sugar Hill area. 2118 Comment
  JEPS64953  Lupinus arbustus Frances D. Payne 1932-6-22 574 Modoc s and e Alturas; Warner Mountains, Parker Creek Comment
  RSA59729  Lupinus arbustus subsp. calcaratus E. K. Balls 1950-5-18 14742 Modoc 1.3 miles southwest of Canby Bridge on Highway 299. 1341 Comment
  CAS-BOT-BC182177  Lupinus argenteus Francis Elliot Drouet; Donald Richards 1941-9-12 4202 Modoc Sloughs along the N fork of the Pit River, NE of Alturas. 1341 Comment
  CAS-BOT-BC182191  Lupinus argenteus Amos Arthur Heller 1938-6-24 15222 Modoc Between Alturas and Canby. Comment
  CAS-BOT-BC182222  Lupinus argenteus Mrs. H. C. Cantelow 1940-5-31 Modoc 1.8 mi. W of Canby. Comment
  SD104857  Lupinus argenteus Darley F. Howe 1979-6-27 5113 Modoc Area west of Goose Lake Comment
  SEINET10451604  Lupinus argenteus subsp. argenteus H. P. Bracelin 1931-6-30 Bracelin 500 Modoc Open field at s end of town. Bush 2 ft high; reddish purple flower 1524 Comment
  CDA27383  Lupinus argenteus var. argenteus T. C. Fuller 1971-7-14 19905 Modoc Southern Warner Mountains; East side of Bear Camp Flat, ca. 7 miles south of Eagleville. 0 Comment
  NY733048  Lupinus argenteus var. argenteus J. T. Howell 1934-7-2 12367 Modoc West side of Clear Lake Comment
  RSA201202  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas, south end of town. 1524 Comment
  CAS-BOT-BC196342  Lupinus argenteus var. argenteus Mrs. A. H. Rodda 1932-7-1 s.n. Modoc Near Macarthur [McArthur] Comment
  CAS-BOT-BC182083  Lupinus argenteus var. heteranthus John Thomas Howell 1934-6-12 12010 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC182095  Lupinus argenteus var. heteranthus Bruce Bartholomew 1990-6-17 5298 Modoc Along Emerson Creek, 3.9 km SW of County Rd 1, E side of Warner Mts. 1700 Comment
  CAS-BOT-BC182102  Lupinus argenteus var. heteranthus Annie Montague Alexander; L. Kellogg 1946-6-30 4869 Modoc Highgrade, W side of ridge N end of Warner Mts. 1484 Comment
  CAS-BOT-BC182118  Lupinus argenteus var. heteranthus Bruce Bartholomew 1991-5-25 5759 Modoc Turner Creek at County Rd. 90, N end of Big Valley, 6.4 km N of Lassen County line. 1230 Comment
  CHSC112820  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2013-7-25 18953 Modoc 10 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  JEPS65013  Lupinus argenteus var. heteranthus W. L. Jepson 1918-8-7 7856 Modoc Mt. Bidwell 2072 Comment
  NY736938  Lupinus argenteus var. heteranthus Mrs. C. C. Bruce 08 1897 2147 Modoc Lakeshore Comment
  NY736941  Lupinus argenteus var. heteranthus B. M. Bartholomew 1990-6-17 5298 Modoc Along Emerson Creek, 3.9 km southwest of County Road 1, east side of Warner Mountains 1700 Comment
  UCR102425  Lupinus argenteus var. palmeri G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mtns., Warner Mountains, Bidwell Mountain, c. 3 mi. south of Oregon border in extreme NE corner of state Comment
  CAS-BOT-BC181891  Lupinus brevicaulis Bruce Bartholomew 1991-6-22 5843 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  NY746668  Lupinus brevicaulis B. M. Bartholomew 1995-6-2 6933 Modoc 6.4 km east of Eagleville, south end of Surprize Valley 1380 Comment
  HSC14807  Lupinus caudatus M. T. Milligan 1964-7-1 111 Modoc Ballard's Resvr. Rd. 3 mi. E of Modoc Co. Rd. 54. 1372 Comment
  RSA11956  Lupinus caudatus Elmer I. Applegate 1929-6-25 5905 Modoc Willow Ranch, Goose Lake Valley. Comment
  UC201975  Lupinus latifolius var. viridifolius Mrs. M. H. Manning Aug. 1914 Modoc on Cedarville and Alturas Road 8 mi below Summit Warner Mts.; , below Summit on Cedarville and Alturas Rd. Comment
  CAS-BOT-BC181874  Lupinus lepidus var. lobbii Annie Montague Alexander; L. Kellogg 1946-8-9 5133 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC181877  Lupinus lepidus var. lobbii Elmer Ivan Applegate 1932-8-1 8051 Modoc Near summit of Warren Peak, Warner Mts. 2895 Comment
  NY747264  Lupinus lepidus var. lobbii B. M. Bartholomew 1990-8-4 5645 Modoc Top of pass on Summit Trail, ca. 0.5 km southeast of Patterson Lake, east side of Warner Mountains 2800 Comment
  UCR35564  Lupinus lepidus var. lobbii J. A. Harpel 1981-8-7 V- 56 Modoc Warner Mtns, South Warner Wilderness Area: on the pass above Patterson Lake along the Summit trail, 7 mi NW of Eagleville 2774 Comment
  JEPS119667  Lupinus lepidus var. sellulus Lowell Ahart, John Dittes 2012-7-11 18343 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  UC1228170  Lupinus lepidus var. sellulus Beecher Crampton 1960-6-17 5706 Modoc 13 mi w Canby (McKay Flat); w of Canby 1280 Comment
  CAS-BOT-BC181862  Lupinus lepidus var. sellulus M. M. Hanna 1956-6-7 1007 Modoc Highway 139, open glade betweem Canby and Tienesta. Comment
  UC201967  Lupinus leucophyllus Milo S. Baker 1899-7-10 304 Modoc Burney Valley Comment
  UC199285  Lupinus microcarpus var. densiflorus M. F. Gilman 562 Modoc Comment
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Jan 12 2007
  UC726491  Lupinus microcarpus var. densiflorus A. A. Heller 1941-6-25 16197 Modoc on the Cedarville rd a short distance e junction with U.S. Highway 395 Comment
  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
  RSA414419  Lupinus ruber Christopher Davidson 2126 Modoc ca. 4 miles W of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC181817  Lupinus saxosus Bruce Bartholomew; Barrett Anderson 1989-4-28 4645 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC181818  Lupinus saxosus Edward Kent Balls 1950-5-10 15965 Modoc 0.5 mi. past fork of Hwy 395 and road from Alturas to Cedarville. 1584 Comment
  SEINET2063107 Image available Lupinus subvexus var. subvexus Arnold Tiehm 1984-6-30 8833 Modoc North edge of Lake Annie on the W side of Bidwell Mt., NE of Ft. Bidwell. 1530 Comment
  SEINET10490265  Lupinus subvexus var. transmontanus Billy Joe Cox, David B. Dunn; Lewis S. Fleak 1970-6-8 Cox 1955 Modoc 6 mi n of alturas at jct of us hwy 395-299 with cedarville rd. Arid grassland With scattered juniper; rocky basalt. 1463 Comment
  CHSC109213  Luzula comosa var. laxa L. P. Janeway; B. Castro 2012-7-24 10960 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 Yellow Mountain Dismal Swamp. 2250 Comment
  UC1036056  Luzula comosa var. laxa Annie M. Alexander and Louise Kellogg 1946-7-2 4896 Modoc Dismal Swamp north end Warner Mts 2255 Comment
  JEPS6013  Madia citriodora Frances D. Payne 1932-6-22 582 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC49448  Madia glomerata M. Vasey 1990-6-30 9063 Modoc Along County Rd 95 in dried wetland N of road, near Egg Lake. 1500 Comment
  CDA13462  Madia glomerata G. F. Hrusa, T. D. Wilfred 1996-7-21 13309 Modoc Modoc Plateau; Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  JEPS117315  Madia glomerata Lowell Ahart, John Dittes 2010-8-30 17076 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC49425  Madia gracilis Bruce Bartholomew 1991-7-6 5957 Modoc 2 km above Lower Rush Creek Campground along Rush Creek. 1500 Comment
  UC485310  Madia gracilis W. P. Taylor 1910-6-26 Modoc Parker Creek Warner Mountains, Parker Creek 1676 Comment
  NY500373  Mahonia repens B. M. Bartholomew 1988-5-13 4175 Modoc 0.6 km north of Jess Valley on West Warner Road, west side of the Warner Mountains. Northern Jeffrey pine forest. 1620 Comment
  RSA452628  Mahonia repens H. E. McMinn 1931-5-23 2445 Modoc Fandango Pass, Warner Mts. Comment
  HSC1964  Maianthemum racemosum subsp. amplexicaule M. T. Milligan 1966-7-1 514 Modoc N end of Jess Valley. 1616 Comment
  HSC65601  Maianthemum racemosum subsp. amplexicaule Thomas Wood 1979-8-9 235 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of Jct. with Hwy. 2, N of Fort Bidwell. 1509 Comment
  CAS-BOT-BC242169  Maianthemum stellatum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 51 Modoc Parker Creek, 15 mi. from Alturas. Comment
  CAS-BOT-BC49388  Malacothrix sonchoides Bruce Bartholomew 1991-5-24 5706 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CAS-BOT-BC179100  Malva neglecta Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16402 Modoc Along Thoms Creek, 6.1 mi. E of Hwy. 288, along Cedar Pass road. Comment
  CHSC71842  Marsilea oligospora Vernon H. Oswald; Lowell Ahart 1998-9-8 9597 Modoc Mosquito Lake on the north side of Whitehorse Flat Reservoir ca. 20 air miles north of McArthur. 1341 Comment
  RSA639342  Marsilea oligospora L. C. Wheeler 1935-9-12 3975 Modoc Fletcher Creek at Pease Place, Devil s Garden. 1524 Comment
  UCD169464  Marsilea oligospora Louis C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil's Garden. 1524 Comment
  HSC6019  Matricaria discoidea M. T. Milligan 1965-6-23 295 Modoc N end Jess Valley 1616 Comment
  UCD88620  Melica subulata August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Near Oregon border in Warner Mtns. Comment
  HSC15013  Melilotus officinalis Fred J. Kindel 1955-6-23 Modoc Pitt River Comment
  CHSC112763  Mentha arvensis Lowell Ahart; John Dittes 2013-7-24 18939 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  UC1191908  Mentha canadensis Herbert L. Mason 1947-8-12 13505 Modoc junction of North and South Forks of Pit River Alturas; jct of North and South Forks of Pit River Comment
  CAS-BOT-BC179134  Mentzelia dispersa Bruce Bartholomew 1990-6-17 5333 Modoc Surprise Valley, at the W side of Middle Alkali Lake, directly E of Cedarville. 1370 Comment
  CAS-BOT-BC179137  Mentzelia dispersa Elmer Ivan Applegate 1897-5-31 886 Modoc E side of Tule Lake. Comment
  UC19573  Mentzelia dispersa Mrs. R. M. Austin and Bruce July 1898 2367 Modoc Goose Lake Comment
  UC725538  Mentzelia dispersa A. A. Heller 1941-6-26 16214 Modoc 8 m w Alturas (along U.S. Highway #299.); Juniper Belt Comment
  CAS-BOT-BC179126  Mentzelia laevicaulis Verne Grant; I. Schneider 1947-7-22 8161 Modoc N Fork of Pit River, 1 mi. NW of Hwy 395 on dirt road leading S to Goose Lake. Comment
  CAS-BOT-BC179129  Mentzelia laevicaulis Leland S. Smith 1922-8-20 1335 Modoc Dry S slopes below Canby. 1310 Comment
  CAS-BOT-BC179120  Mentzelia montana Alice Eastwood; John Thomas Howell 1940-6-14 8254 Modoc Between Mammoth Cave and Lava Bed National Monument. Comment
  RSA271900  Mentzelia veatchiana Christopher Davidson 1975-6-4 2612 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  JEPS20795  Menyanthes trifoliata Frances D. Payne 1929-7-26 121 Modoc 2 mi sw of Mount Warren (Pine Creek Basin, southeastern Modoc County); Pine Creek Basin 2133 Comment
  CAS-BOT-BC54042  Mertensia ciliata Bruce Bartholomew 1991-6-21 5802 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  NY1084556  Mertensia longiflora B. M. Bartholomew 1991-5-24 5738 Modoc Near north side of Big Mud Lake at the Nevada State boundary 1680 Comment
  RSA486802  Mertensia longiflora Bruce Bartholomew, B. Anderson 1988-5-13 4153 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mountains. 1650 Comment
  RSA59740  Mertensia oblongifolia E. K. Balls 1950-5-20 14791 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  CAS-BOT-BC498673  Mertensia oblongifolia Gregg M. Riegel 1980-8-9 1016 Modoc South Warner Mountains 2433 Comment
  UC1560375  Mertensia oblongifolia E. Joyal and D. Mehlman 1988-6-28 1293 Modoc Near Warner Mts., ridge road Comment
  RSA25343  Mertensia oblongifolia var. amoena C. L. Hitchcock 1940-5-27 6663 Modoc 12 miles NE of Alturas. 1616 Comment
  CAS-BOT-BC54017  Mertensia oblongifolia var. nevadensis Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC54021  Mertensia oblongifolia var. oblongifolia Elmer Ivan Applegate 1932-7-9 7615 Modoc N side of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC58780  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6309 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  CAS-BOT-BC225952  Micranthes nidifica Annie Montague Alexander; L. Kellogg 1946-6-30 4879 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  CAS-BOT-BC225963  Micranthes nidifica Bruce Bartholomew; Barrett Anderson 1989-6-2 4776 Modoc Buck Creek, 1 cm NE of Fandango Pass Road, W side of the Warner Mountains. 1660 Comment
  CAS-BOT-BC429188  Micranthes oregana Mrs. C. C. Bruce 1899-8-1 s.n. Modoc Goose Lake Comment
  CAS-BOT-BC49390  Microseris laciniata subsp. laciniata Leland S. Smith 1924-6-8 1382 Modoc Egg Lake near SW corner in meadow. 1341 Comment
  CAS-BOT-BC49392  Microseris laciniata subsp. laciniata Leland S. Smith 1924-6-8 1382 Modoc Egg Lake near SW corner in meadow. 1341 Comment
  CAS-BOT-BC49354  Microseris nutans Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16408 Modoc 3 mi. E of Thoms Creek bridge, near Cedar Pass campground. Comment
  CHSC67085  Microseris nutans James D. Jokerst 1987-5-12 2843 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  CAS-BOT-BC197897  Microsteris gracilis Bruce Bartholomew; Barrett Anderson 1989-4-27 4619 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC197898  Microsteris gracilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16452 Modoc Southern outskirts of Fort Bidwell. Comment
  CAS-BOT-BC197910  Microsteris gracilis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 105 Modoc Hillslope above Parker Creek. Comment
  CAS-BOT-BC197916  Microsteris gracilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16431 Modoc Near summit of Cedar Pass. 1920 Comment
  RSA59514  Microsteris gracilis subsp. humilis E. K. Balls 1950-5-12 14659 Modoc Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake 1677 Comment
  UCSB21215  Mimulus breviflorus Hardham, Clare 1961-6-17 Modoc Cedar Pass Campground; Warner Mountains Comment
  SEINET3365878 Image available Mimulus breweri Arthur Cronquist, Arthur H. Holmgren 1959-6-20 8520 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920 Comment
  UC69690  Mimulus breweri Mrs. M. H. Manning 1903-8-21 315 Modoc Mt. Bidwell 1981 Comment
  RSA550583  Mimulus breweri Bruce Bartholomew 1991-7-7 6004 Modoc SE end of Sweargart Flat 555 Comment
  RSA185423  Mimulus douglasii Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground. Comment
  JEPS127156  Mimulus evanescens Lowell Ahart, John Dittes 2016-7-16 21249 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  JEPS124365  Mimulus guttatus Lowell Ahart, John Dittes 2015-7-16 20363 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  POM3473  Mimulus moschatus var. longiflorus R. M. Austin, C. C. Bruce 1898-07 2275 Modoc Head of Davis Creek. Comment
  UC445163  Mimulus nanus var. jepsonii Franklin P. Nutting 1893-6-8 Modoc near Egg Lake Comment
  RSA165594  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek. Warner Mountains. 1677 Comment
  RSA186209  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek, Warner Mountains. 1524 Comment
  HSC20809  Mimulus nanus var. nanus M. T. Milligan 1964-7-1 124 Modoc Howard's Gulch Campground on Hwy. 139 1372 Comment
  JEPS4011  Mimulus nanus var. nanus Frances D. Payne 1932-6-8 419 Modoc 6 mi e Alturas (on road to Parker Creek); Warner Mountains Comment
  UC726427  Mimulus nanus var. nanus A. A. Heller 1941-6-25 16196 Modoc a short distance e U. S. Highway #395 (on the Cedarville road) Comment
  UC1037256  Mimulus pulsiferae Leo Whitney 1935-6-9 3203 Modoc White Horse Comment
  UC26856  Mimulus tricolor M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  UC465889  Minuartia douglasii Franklin P. Nutting Modoc Big Valley Mts. Comment
  JEPS120494  Minuartia nuttallii var. gracilis L. P. Janeway, B. Castro 2012-7-26 11008 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). Comment
  NY446178  Minuartia nuttallii var. gregaria L. C. Wheeler 1935-8-5 3786 Modoc Yellow Mountain, Warner Mountains 2438.4 Comment
  CAS-BOT-BC225804  Mitella pentandra Bruce Bartholomew 1989-8-12 5114 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  CAS-BOT-BC225807  Mitella pentandra Bruce Bartholomew 1995-6-23 6999 Modoc 2.4 km N of Forest Road 30 on road from Hall Meadow to Plume Valley Camp Ground. 1770 Comment
  NY758253  Mitella pentandra B. M. Bartholomew 1990-7-20 5500 Modoc Tamarack Flat, east side of Warner Mountains 2150 Comment
  UCR138445  Mitella pentandra David A. Charlet 1989-8-16 540 Modoc Warner Mountains. 11 km NW of Eagle Peak, Rock Spring 2015 Comment
  RSA504662  Monardella odoratissima Bruce Bartholomew 1988-7-23 4554 Modoc Road beyond Poison Lake 8km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2140 Comment
  CAS-BOT-BC179858  Monardella odoratissima subsp. glauca Robert Patterson; Mona Bourell 1993-8-15 5249 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC109746  Monardella odoratissima subsp. glauca B. Castro; L. P. Janeway 2012-7-26 1970 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2453 Comment
  CAS-BOT-BC179854  Monardella odoratissima subsp. glauca Clare Butterworth Hardham 1972-7-14 18656 Modoc Warner Mountains. 2590 Comment
  JEPS63422  Monardella odoratissima subsp. glauca Leland S. Smith 1918-8-18 1046 Modoc Ridge between Eagle Mt. and Bear Mt.; Warner Mts. 2438 Comment
  RSA293358  Monardella odoratissima subsp. glauca Reino Alava 1957-7-5 1151 Modoc Cedar Pass, Modoc National Forest, Warner Mountains Comment
  CAS-BOT-BC179357  Monardella odoratissima subsp. pallida Bruce Bartholomew 1995-6-22 6978 Modoc Between Day and Lookout, 7.4 km W of Day on County Road 94 along Widdow Valley Creek. 1350 Comment
  CAS-BOT-BC95549  Monolepis nuttalliana Bruce Bartholomew 1991-6-23 5877 Modoc 2.6 km NE of Crowder Flat Road on road between Ingall Swamp and Dorris Brothers Reservoir. 1520 Comment
  CAS-BOT-BC197478  Montia chamissoi Bruce Bartholomew 1994-7-2 6803 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  UC1025099  Montia chamissoi Leo Whitney 1934-5-5 1609 Modoc 15 mi w of Canby (Happy Camp); Modoc National Forest, Happy Camp 1463 Comment
  HSC80773  Montia chamissoi G. M. Riegel 1980-7-30 976 Modoc S Warner Mtns. 2100 Comment
  UC71836  Montia fontana Mrs. M. H. Manning May, 1903 116 Modoc Spring near Fort Bidwell (in north-eastern Modoc County) Comment
  UC71834  Montia linearis Mrs. M. H. Manning 1903-5-1 99 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  SEINET7297159 Image available Muhlenbergia asperifolia Leo Whitney 1935-1 3540 Modoc Lake Joaquin, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  UC60839  Muhlenbergia filiformis M. S. Baker and Frank Nutting 1894-8-25 Modoc meadow near Forestdale 1371 Comment
  JEPS121233  Muhlenbergia richardsonis Lowell Ahart, John Dittes 2013-7-24 18912 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  RSA0039529  Muhlenbergia richardsonis Lowell A. Ahart, John Dittes 2012-7-10 18325 Modoc Along the south side of the drainage, 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
  UC1024848  Muhlenbergia richardsonis Leo Whitney 1935-6-9 3201 Modoc near White Horse (meadow); White Horse lake (flat) Comment
  UC1254975  Muhlenbergia richardsonis Alice Eastwood and John Thomas Howell 1940-6-14 8205 Modoc near Kelley Hot Springs Comment
  UC1949272  Muhlenbergia richardsonis Barbara Ertter 1988-6-18 7609 Modoc W side Hwy 139 just S of where it crosses railroad at jct to Clear Lake, NE of Dry Lake E of Lava Beds Nat'l Monument Comment
  HSC100176  Munroa squarrosa J. P. Smith 2011-8-7 13357 Modoc Along Jesse Valley Road, E of Likely, just E of the bridge over the Pit River. 1372 Comment
  CAS-BOT-BC58782  Myosotis micrantha Bruce Bartholomew; Barrett Anderson 1989-6-1 4748 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  RSA59764  Myosurus aristatus E. K. Balls 1950-5-14 14693 Modoc 2.5 miles N of boundary Modoc National Forest, jct of roads to Emigrant Spring, Thomas Reservoir and Dead Horse Reservoir. 1524 Comment
  CAS-BOT-BC217295  Myosurus minimus Bruce Bartholomew; Barrett Anderson 1988-5-14 4200 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  CHSC107333  Myosurus minimus Lowell Ahart; John Dittes 2011-6-21 17519 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1101498  Myriophyllum sibiricum Herbert L. Mason and Verne Grant 1947-7-12 13385 Modoc Irrigation ditch by Jones' Lane, off Highway 395, several mi S of Alturas. Comment
  CHSC112790  Najas flexilis Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18764 Modoc Drainage, about 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC179313  Nama densa Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6459 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 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
  CAS-BOT-BC198020  Navarretia breweri Bruce Bartholomew; Barrett Anderson 1988-6-24 4354 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  CHSC67119  Navarretia breweri James D. Jokerst 1987-6-24 2936 Modoc NE of Doublehead Mtn. along the edges of road to Red Lake. Comment
  RSA601529  Navarretia breweri L. C. Wheeler 1935-8-16 3869 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer. 2226 Comment
  UCD32713  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc Modoc County, open slopes of cedar Pass summit. 1097 Comment
  HSC17135  Navarretia breweri M. T. Milligan 1964-6-20 69 Modoc 4 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  UC133779  Navarretia divaricata Mrs. R. M. Austin Aug 1894 308 Modoc Davis Creek Comment
  CAS-BOT-BC198006  Navarretia divaricata subsp. vividior Bruce Bartholomew 1991-7-4 5894 Modoc S end of Higgins Flat. 1370 Comment
  SEINET4673744  Navarretia divaricata subsp. vividior Leigh A. Johnson, Haley M. Smith 2011-6-25 11 -064 Modoc Vicinity of mile marker 9.37 off of Hwy 299, near Roney Flat and Johnson Creek roads. 1428 Comment
  UCR66593  Navarretia intertexta F. W. Peirson 1926-6-25 6868 Modoc Cedarville Pass, Warner Mountains 1926 Comment
  UC1178968  Navarretia intertexta Herbert L. Mason 1946-7-13 13440 Modoc s of Goose Lake (Highway 395); Joseph Creek Comment
  CAS-BOT-BC197976  Navarretia intertexta subsp. propinqua Bruce Bartholomew; Barrett Anderson 1990-7-19 5433 Modoc Sweagert Flat. 1860 Comment
  JEPS3968  Navarretia intertexta subsp. propinqua N. T. Mirov 1929-6-28 Modoc Fandango Valley Warner Mountains 1584 Comment
  RSA185430  Navarretia leptalea Clare B. Hardham 1961-6-18 s.n. Modoc Warner Mountains: Cedar Pass. Comment
  SEINET200248  Navarretia propinqua Herbert L. Mason 1946-7-13 13449 Modoc West end of Fandango Pass near Goose Lake on road to Fort Bidwell. Comment
  POM260725  Navarretia sinistra Alice Eastwood, J. T. Howell 1940-6-14 8216 Modoc 8 miles NW of Canby Comment
  RSA67244  Navarretia sinistra P. A. Munz 1951-9-14 16981 Modoc Cedar Pass, Warner Mountains. 1921 Comment
  UC932006  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8013 Modoc road from Goose Lake to Fort Bidwell (in wash at w end Fandango Valley); w end Fandango Valley Comment
  JEPS1527  Nemophila breviflora L. Constance 1938-6-12 2332 Modoc 13.4 mi ne Alturas (edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, western foothills of the Warner Range); western foothills of Warner Range, Thombs Creek 1524 Comment
  JEPS4033  Nemophila pedunculata Frances D. Payne 1931-6-22 241 B Modoc s and e Alturas (Warner Mountains, Parker Creek, Dry Creek, tributary of); Warner Mountains, Parker Creek, s and e of Alturas 1828 Comment
  RSA59717  Nemophila pedunculata E. K. Balls 1950-5-18 14758 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UC1178999  Nemophila pedunculata Herbert L. Mason 1947-7-8 13313 Modoc Cedar Pass , Cedar Pass (summit Warner Range) 1920 Comment
  JEPS12231  Nicotiana attenuata F. H. Frost 1925-7-11 15 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon Comment
  UC71723  Nicotiana attenuata Mrs. M. H. Manning 1902-9-7 2 b Modoc Surprise Valley Comment
  CAS-BOT-BC49364  Nothocalais alpestris K. Paulson; Robert Paulson 1989-5-8 113 Modoc unspecified 1371 Comment
  CAS-BOT-BC49371  Nothocalais troximoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6532 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  JEPS118470  Oenothera flava Lowell Ahart, John Dittes 2011-6-21 17515 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA600321  Oenothera flava Louis C. Wheeler 1935-9-22 4000 Modoc Warm Springs Valley: Pit River at Rattlesnake Butte. 1341 Comment
  CAS-BOT-BC190802  Oenothera flava subsp. flava K. Paulson; Robert Paulson 1989-6-21 142 Modoc Vicinity of S Fork of Pine Creek, W side of the Warner Mts. 1883 Comment
  CHSC85114  Oenothera flava subsp. flava John Dittes; Josephine Guardino 1991-7-21 425 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
  UC20558  Oenothera flava subsp. flava Mrs. C. C. Bruce June 1898 Modoc streets Alturas Comment
  CAS-BOT-BC245086  Olsynium douglasii var. douglasii L. A. M. Black 1894-4-1 105 Modoc Davis Creek. Comment
  CAS-BOT-BC245089  Olsynium douglasii var. douglasii K. Paulson; Robert Paulson 1991-5-25 216 Modoc Near Fletcher Creek. 1584 Comment
  RSA59650  Olsynium douglasii var. douglasii E. K. Balls 1950-5-12 14641 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. Comment
  CHSC114679  Onopordum acanthium D. B. Joley 1976-5-23 2 Modoc Adin. Comment
  CAS-BOT-BC50376  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1958-7-9 900 -58 Modoc Alturas. Comment
  HSC16680  Orobanche corymbosa M. T. Milligan 1966-8-3 642 Modoc W slope of Eagle Peak 2134 Comment
  CAS-BOT-BC190784  Orobanche uniflora Bruce Bartholomew; L. E. Skog; M. Gilbert 1993-5-13 6536 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC190787  Orobanche uniflora E. H. Steffen 1917-6-10 39 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC190788  Orobanche uniflora Bruce Bartholomew 1990-6-17 5345 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  HSC29981  Orobanche uniflora D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19462 Modoc On hillside above the Rush Creek Campground ca. 8 mi. N of Adin. Comment
  UC100822  Orobanche uniflora subsp. occidentalis Milo S. Baker 1890-1 87 Modoc Forestdale. 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
  UC105960  Orthilia secunda Mrs. R. M. Austin 1894-1 146 Modoc Lassen Creek Comment
  CAS-BOT-BC232317  Orthocarpus cuspidatus subsp. copelandii Barrett Anderson 1986-7-9 3155 Modoc Hwy 299 just W of Cedar Pass, Warner Mountains 1920 Comment
  CAS-BOT-BC232322  Orthocarpus cuspidatus subsp. copelandii Francis Dorris Payne 1932-6-26 614 Modoc Parker Creek. 1584 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
  UC711900  Orthocarpus cuspidatus subsp. cryptanthus Roxana S. Ferris and Laura Lorraine 1941-8-14 10590 Modoc on road to Eagleville three mi from Patterson Ranger Station (Warner Mountains); Modoc National Forest, Warner Mountains Comment
  RSA318660  Orthocarpus cuspidatus subsp. cryptanthus Margaret J. Williams 1983-7-29 83- 116 -7 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. 2088 Comment
  SEINET13756734  Orthocarpus cuspidatus subsp. cryptanthus M. J. Williams 1983-7-29 83- 116 -7 Modoc Warner Mtns., 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass 2088 Comment
  RSA305792  Orthocarpus lacerus James R. Shevock 1972-5-20 1803 Modoc Hwy 299, W of Canby. 1372 Comment
  RSA185398  Orthocarpus lithospermoides Clare B. Hardham 1961-6-18 7541 Modoc 3 miles SE of Cedar Pass. 1829 Comment
  CAS-BOT-BC15735  Osmorhiza chilensis John Thomas Howell 1934-6-11 11970 Modoc Parker Creek. 1584 Comment
  NY1101674  Osmorhiza chilensis L. Constance 1946-7-4 3103 Modoc Deep Creek 3.4 miles below summit, Warner Mountains 1829 Comment
  NY1101846  Osmorhiza occidentalis B. M. Bartholomew 1990-7-20 5488 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains 2130 Comment
  RSA82806  Osmorhiza occidentalis Mrs. R. M. Austin, Bruce 1898-06 2263 Modoc Lake City Mt. Comment
  JEPS57972  Oxyria digyna Frances D. Payne 1931-6-29 304 B Modoc e slope Mt. Warren; Warner Mountains, e slope of Mt. Warren 2286 Comment
  NY404356  Oxyria digyna B. M. Bartholomew 1991-8-5 6039 Modoc Squaw Peak Trail on north side of Squaw Peak, east side of Warner Mountains 2420 Comment
  UC71867  Oxyria digyna Mrs. M. H. Manning 1903-7 349 Modoc Mt. Bidwell; north-eastern Modoc County 2438 Comment
  UC711807  Packera cana Roxana S. Ferris and Laura Lorraine 1941-8-14 10612 Modoc summit Fandango Pass (on road between Fort Bidwell and Pine Creek); Modoc National Forest, Warner Mountains, Fandango Pass 1889 Comment
  HSC28870  Packera eurycephala D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19363 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC50277  Packera eurycephala var. eurycephala John Thomas Howell 1934-6-11 11915 A Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC50323  Packera eurycephala var. eurycephala Francis Dorris Payne 1931-6-8 186 Modoc Parker Creek. Comment
  UC91475  Packera pseudaurea subsp. pseudaurea Mrs. R. M. Austin Aug 1894 307 Modoc banks of Davis Creek; banks of Davis Creek Comment
  CAS-BOT-BC248355  Paeonia brownii B. Bartholomew; H. Sun 2002-6-24 8838 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  UC635427  Paeonia brownii F. H. Frost 1925-7-25 177 Modoc Eagle Peak Warner Mts. Comment
  UC71847  Paeonia brownii Mrs. M. H. Manning May, 1903 106 Modoc meadows near Fort Bidwell (ne Modoc Co.) Comment
  JEPS27161  Paeonia brownii Lauramay T. Dempster 1961-6-19 1704 Modoc e Davis Creek (town) (headwaters of creek); South Fork of Davis Creek 2286 Comment
  JEPS52292  Paeonia brownii Wayne Roderick 1963-6-9 Modoc about 1/2 mi above campground on east side of pass; Cedar Pass 1981 Comment
  RSA0013799  Paeonia brownii Joan Stewart 2005-6-6 2485 Modoc Stowe Reservoir, Warner Mountains. Comment
  UC1237946  Paeonia brownii John Weiler and A. P. Nelson May 26 1961-May 29 1961 61221 Modoc Cedar Pass Warner Mountains (steep slopes above hwy) Comment
  JEPS101203  Panicum capillare Dean Wm. Taylor and Glenn L. Clifton 1989-8-4 10523 Modoc Emerson Creek drainage; Cole Creek, on road to Emerson Camp from Surprise Valley 1554 Comment
  SD148006  Panicum capillare Sheryl Gill 1996-9-3 Modoc at the Tule Lake National Wildlife Refuge - Frey's Island, southeast part of the refuge in southern sump, old agricultural fields 1228 Comment
  UC1024778  Panicum capillare Leo Whitney 2246 Modoc ca 15 mi nw Canby (Hackamore, Modoc National Forest); Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC95499  Paxistima myrsinites Leland S. Smith 1919-11-6 1142 Modoc Happy Camp Mt. Comment
  UC1586903  Pectiantia pentandra Juha Pykala and D. H. Norris 1987-5-28 1262 Modoc 3-4 mi w Lake City (by a little stream that runs to Mill Creek); Modoc National Forest, Warner Mountains, Lake City Canyon 1800 Comment
  CAS-BOT-BC232314  Pedicularis attollens Robert Patterson; Mona Bourell 1993-8-14 5216 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  JEPS28992  Pedicularis attollens Frances D. Payne 1931-6-12 153 Modoc Parker Creek; Warner Mountains 1584 Comment
  RSA531348  Pedicularis attollens K. Paulson, R. Paulson 1990-7-21 213 Modoc Patterson Meadow, Warner Mts. Comment
  HSC20915  Pedicularis attollens M. T. Milligan 1966-6-19 474 Modoc N end of Jess Valley 1616 Comment
  JEPS28985  Pedicularis groenlandica Frances D. Payne 1929-7-7 66 Modoc Pine Creek Basin; Warner Mountains 2316 Comment
  CAS-BOT-BC245197  Pedicularis semibarbata Annie Montague Alexander; L. Kellogg 1946-8-8 5120 Modoc Near Deep Creek summit. Comment
  CAS-BOT-BC245198  Pedicularis semibarbata Bruce Bartholomew 1995-7-31 7091 Modoc Lodgepole pine forest E of Bald Mountain, E side of the Warner Mts. 2220 Comment
  HSC80738  Pedicularis semibarbata G. M. Riegel 1980-7-12 863 Modoc S Warner Mtns. 1670 Comment
  UC1093650  Pedicularis semibarbata Herbert L. Mason 1957-7-6 14722 Modoc divide between Davis Creek and Mill Creek; Warner Mountains, Benton Meadows Comment
  CAS-BOT-BC30194  Pellaea breweri Bruce Bartholomew 1990-6-16 5269 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  UC27427  Penstemon cinicola M. S. Baker and Frank Nutting 1894-1 Modoc Egg Lake Comment
  HSC72471  Penstemon davidsonii J. P. Smith, J. O. Sawyer 1973-8-8 7233 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC232345  Penstemon davidsonii var. davidsonii Robert Patterson; Mona Bourell 1993-8-15 5277 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UC1539988  Penstemon deustus M. Mitchell 1936-5-21 49 Modoc 2 mi se Hospital Rock (Lava Beds National Monument); , se of Hospital Rock 1249 Comment
  RSA11919  Penstemon deustus subsp. heterander Elmer I. Applegate 1932-8-6 8215 Modoc Rocky summit of Yellow Mtn, Bidwell Pass, Warner Mtns. Comment
  NY591811  Penstemon deustus var. pedicellatus N. H. Holmgren 1978-6-10 8899 Modoc In canyon 13.4 km (8.3 miles) east of Likely, along road to Jess Valley. 1520 Comment
  HSC80751  Penstemon deustus var. pedicellatus G. M. Riegel 1980-8-13 1048 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC245537  Penstemon gracilentus John Thomas Howell 1934-6-14 12176 Modoc Patterson Mill Road 2133 Comment
  CAS-BOT-BC245538  Penstemon gracilentus Annie Montague Alexander; L. Kellogg 1946-6-28 4861 Modoc Pine Creek Canyon, Warner Mountains 2011 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
  UC748183  Penstemon gracilentus Annie M. Alexander and Louise Kellogg 1946-7-24 5079 Modoc Bear Camp Flat Warner Mountains, Bear Camp Flat 2286 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-BC245529  Penstemon humilis var. humilis Dean William Taylor; Robert Allen Price 1988-6-4 9742 Modoc Damons Butt, ca. 2.6 mi. W of Hwy 139. 1341 Comment
  NY604219  Penstemon janishiae N. H. Holmgren 1978-6-8 8883 Modoc Crowder Flat road, 0.5 km (0.3 mile) from junction with California Highway 299 which is 5.6 km (3.5 miles) west of U.S. Highway 395 (Alturas) 1340 Comment
  SEINET10444506  Penstemon janishiae K. Paulson, R. Paulson 1988-1 21 Modoc Barnes Grade, Crowder Flat Road to Devil's Garden. 1433 Comment
  CAS-BOT-BC232516  Penstemon roezlii Alice Eastwood; John Thomas Howell 1940-6-13 8189 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC245566  Penstemon roezlii Francis Dorris Payne 1929-6-28 29 Modoc Parker Creek. 1584 Comment
  NY641741  Penstemon roezlii K. A. Vincent 1987-8-4 4496 Modoc Warner Mountains; along CA 11 ca. 1.5 miles east-southeast of jct. US 395 in Davis Creek 1585.0 Comment
  RSA27979  Penstemon roezlii C. Leo Hitchcock 1940-5-27 6651 Modoc 9 miles northeast of Alturas. 1402 Comment
  NY650096  Penstemon roezlii M. J. Williams 1984-6-28 8468- 1 Modoc Warner Mountains, Stowe Reservoir area, west of Soldier Creek Road 2103.1 Comment
  NY650113  Penstemon roezlii F. W. Pennell 1940-6-7 25734 Modoc Upper valley of Rush Creek, northeast of Adin 1585.0 Comment
  NY650138  Penstemon roezlii A. A. Heller 1941-6-25 16200 Modoc On the elevated sagebrush plain west of the ascent to Cedar Pass Comment
  POM44789  Penstemon roezlii R. M. Austin 1895-07 579 Modoc Goose Lake Valley. Comment
  UC1094750  Penstemon roezlii Francia Chisaki 1956-5-29 863 Modoc 7.1 mi e of the junction of Highway #395 and road to Cedarville ((on the latter road)); road to Cedarville Comment
  CAS-BOT-BC245486  Penstemon rydbergii var. oreocharis Mrs. H. C. Cantelow 1940-6-2 4472 Modoc 10.5 mi. NW of Canby. Comment
  CAS-BOT-BC245489  Penstemon rydbergii var. oreocharis Leland S. Smith 1922-7-7 1254 Modoc High Grade N of Ft. Bidwell. 2316 Comment
  CAS-BOT-BC245492  Penstemon rydbergii var. oreocharis Alice Eastwood; John Thomas Howell 1940-6-12 8065 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC245500  Penstemon rydbergii var. oreocharis K. Paulson; Robert Paulson 1989-7-4 171 Modoc Ca. 1 mi. S of Patterson Ranger Station, S end of Warner Mts. 2121 Comment
  CAS-BOT-BC245506  Penstemon rydbergii var. oreocharis Bruce Bartholomew 1990-6-16 5276 Modoc Bear Flat, W side of Warner Mountains. 1830 Comment
  CAS-BOT-BC245509  Penstemon rydbergii var. oreocharis E. S. Willits 1940-6-9 337 Modoc 12 Mile Creek. Comment
  HSC21044  Penstemon rydbergii var. oreocharis M. T. Milligan 1964-6-25 84 Modoc Upper Lassen Creek 1829 Comment
  HSC21045  Penstemon rydbergii var. oreocharis M. T. Milligan 1966-6-30 504 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UC27421  Penstemon rydbergii var. oreocharis Mrs. R. M. Austin and Bruce July 1898 2358 Modoc Fields Comment
  CAS-BOT-BC245543  Penstemon speciosus C. L. Hitchcock 1940-5-27 6666 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC245555  Penstemon speciosus David Daniels Keck; Jens Chr. Clausen 1935-6-24 3724 Modoc 9 mi. N of Alturas. 1524 Comment
  CAS-BOT-BC245560  Penstemon speciosus C. L. Hitchcock 1940-5-27 6666 Modoc 15 mi. NE of Alturas. 1615 Comment
  POM261271  Penstemon speciosus C. Leo Hitchcock 1940-5-27 6666 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA78912  Penstemon speciosus E. K. Balls, Percy C. Everett 1952-10-10 18153 Modoc 0.5 mi below South Fork Public Camp, 7.5 mi E of Likely on road to Jess Valley. 1524 Comment
  SEINET12319640  Penstemon speciosus N. H. Holmgren, Holmgren, P. K. 1978-1 8879 Modoc US hwy 395, 9.5 km N of Davis Creek 1490 Comment
  CAS-BOT-BC140469  Peraphyllum ramosissimum Ella Dales Cantelow 1940-5-31 4302 Modoc 3 mi. E. of Canby Comment
  JEPS45606  Peraphyllum ramosissimum Mrs. M. H. Manning 1923-8-1 Modoc Likely Comment
  NY1102247  Perideridia bolanderi subsp. bolanderi L. C. Wheeler 1935-8-16 3881 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225 Comment
  CAS-BOT-BC15713  Perideridia oregana R. M. Austin 1895-7-1 113 Modoc Goose Lake Valley. Comment
  CDA13452  Perideridia oregana G. F. Hrusa, T. D. Wilfred 1996-7-21 13299 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC20886  Perideridia oregana Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  UC71871  Perideridia oregana Mrs. M. H. Manning May 1903 102 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC95157  Peritoma platycarpa C. C. (Mrs.) Bruce 1898-6-1 2180 Modoc Likely. Comment
  SEINET516148  Persicaria amphibia Vernon H. Oswald 1998-9-8 9592 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  CHSC116099  Persicaria maculosa Lowell Ahart; John Dittes 2015-7-15 20375 Modoc North edge of Ash Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC748111  Phacelia hastata Annie M. Alexander and Louise Kellogg 1946-6-30 4870 Modoc Highgrade north end of Warner Mountains (w side of ridge) 2377 Comment
  CDA40422  Phacelia hastata J. T. Howell 1934-6-16 12217 Modoc Two miles northeast of Canby. 0 Comment
  CAS-BOT-BC179269  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8150 Modoc Fandango Pass. Comment
  CAS-BOT-BC248338  Phacelia hastata subsp. hastata B. Bartholomew; H. Sun 2002-6-24 8812 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  CAS-BOT-BC179255  Phacelia hastata subsp. hastata Clarence Roy Quick 1934-7-24 1353 Modoc 2-3 1/2 im NE of Patterson Ranger Station. 2438 Comment
  HSC65235  Phacelia hastata var. compacta J. P. Smith, J. O. Sawyer 1973-8-8 7239 Modoc S slopes of Eagle Peak 2561 Comment
  HSC81101  Phacelia heterophylla G. M. Riegel 1980-6-30 776 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC180020  Phacelia heterophylla subsp. virgata Bruce Bartholomew 1992-5-14 6275 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  CDA13457  Phacelia heterophylla subsp. virgata G. F. Hrusa, T. D. Wilfred 1996-7-21 13304 Modoc Modoc Plateau; adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  HSC30189  Phacelia heterophylla subsp. virgata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19406 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC24414  Phacelia heterophylla subsp. virgata Milo S. Baker 1893-6-25 Modoc Egg Lake 1371 Comment
  HSC13657  Phacelia heterophylla subsp. virgata M. T. Milligan 1964-7-1 100 Modoc 1/2 mi. E of Rattlesnake Butte Rd. on Modoc Co. Rd. 54 1372 Comment
  UC1051773  Phacelia heterophylla subsp. virgata L. R. Heckard 1952-6-19 312 Modoc just below summit of Fandango Pass (sw of Fort Bidwell); Warner Mountains 1828 Comment
  UC660090  Phacelia humilis Dorothy E. Beetle 1941-7-29 65 Modoc road to Cedarville at the pass; above a stream 2118 Comment
  UC711822  Phacelia humilis Roxana S. Ferris and Laura Lorraine 1941-8-13 10542 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 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
  SBBG15881  Phacelia humilis H. and M. Dearing 1939-6-7 3583 Modoc E of Alturas on Cedarville Rd Comment
  UC1234580  Phacelia humilis Peter H. Raven 1962-5-29 17890 Modoc 0.8 mi mi w Cedar Pass; Warner Mountains 1859 Comment
  CAS-BOT-BC179974  Phacelia humilis var. humilis Roxana Stinchfield Ferris; R. Duthie 1919-6-13 126 Modoc Parker Creek. 2133 Comment
  CAS-BOT-BC179978  Phacelia humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16416 Modoc Near summit of Cedar Pass. 1935 Comment
  CAS-BOT-BC180000  Phacelia humilis var. humilis Alice Eastwood; John Thomas Howell 1940-6-13 8185 Modoc W side of Cedar Pass. Comment
  RSA155795  Phacelia humilis var. humilis Peter H. Raven 1962-5-29 17890 Modoc 0.8 mile west of Cedar Pass, Warner Mountains. 1860 Comment
  RSA427993  Phacelia humilis var. humilis George Willet 1935-7-21 s.n. Modoc Warner Mountains 2439 Comment
  NY1055162  Phacelia inundata B. M. Bartholomew 1995-5-13 6910 Modoc 4.8 km west of Eagleville, east side of the south end of Surprise Valley 1480 Comment
  RSA502328  Phacelia inundata D. W. Taylor, G. Clifton, R. Palmer 1987-8-9 9271 Modoc Dry Lake; T44N R6E S5 1341 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
  CAS-BOT-BC179962  Phacelia linearis Bruce Bartholomew 1990-6-17 5341 Modoc 13 km NW of Surprise Valley Rd on road to Fandango Pass, E side of Warner Mountains. 1800 Comment
  UC526140  Phacelia linearis John Thomas Howell 1934-6-13 12081 Modoc Fandango Pass Warner Mts. 1828 Comment
  POM73495  Phacelia linearis Mrs. R. M. Austin 1895-06 551 Modoc Goose Lake Valley. Comment
  RSA531358  Phacelia linearis Bruce Bartholomew, B. Anderson 1989-6-1 4736 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC179945  Phacelia mutabilis Barrett Anderson 1986-7-9 3171 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  JEPS1150  Phacelia mutabilis W. L. Jepson 1918-8-7 7866 Modoc Mt. Bidwell 2286 Comment
  UC24413  Phacelia mutabilis Milo S. Baker 1893-6-20 Modoc Fruitdale Big Valley Mts. 1524 Comment
  POM260898  Phacelia ramosissima var. ramosissima Alice Eastwood, J. T. Howell 1940-6-13 8116 Modoc Surprise Comment
  UC1561067  Phacelia sericea var. sericea Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10443 Modoc cirque headwall above South Emerson Lake; Warner Mountains, Emerson Creek drainage 2560 Comment
  CAS-BOT-BC179918  Phacelia tetramera Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6005 Modoc Valley E of Cedarville. 1219 Comment
  CAS-BOT-BC179922  Phacelia tetramera Bruce Bartholomew 1995-5-13 6903 Modoc E of Eagleville near Eagleville Airport, S end of Surprize Valley. 1390 Comment
  CAS-BOT-BC179914  Phacelia thermalis John Thomas Howell 1934-7-2 12364 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  CAS-BOT-BC179917  Phacelia thermalis Alice Eastwood; John Thomas Howell 1940-6-15 8287 Modoc 9 mi. N of Lookout. Comment
  CDA13475  Phalaris arundinacea G. F. Hrusa, T. D. Wilfred 1996-7-21 13322 Modoc Modoc Plateau; adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CAS-BOT-BC247551  Phleum alpinum Bruce Bartholomew 1989-8-11 5093 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  HSC10583  Phleum alpinum M. T. Milligan 1965-7-10 427 Modoc W slope of Eagle Peak. 2439 Comment
  HSC80828  Phleum alpinum G. M. Riegel 1980-8-7 1009 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC247593  Phleum pratense Herbert Louis Mason 1947-7-10 13358 Modoc 0.25 mi. W of Doris Reservoir, 2 mi. E of Alturas. Comment
  CHSC117250  Phleum pratense Lowelll Ahart; John Dittes 2016-7-16 21248 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek Staate Wildlife Area, 0.79 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS74046  Phleum pratense Frances D. Payne 1932-7-18 704 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  SJSU13878  Phlox caespitosa N. A. Hopkins 1985-5-14 1726 Modoc by rd between Alturas & Cedarville, Warner Mts 1524 Comment
  CAS-BOT-BC197951  Phlox diffusa C. C. (Mrs.) Bruce 1893-6-1 89 Modoc Davis Creek. Comment
  CAS-BOT-BC197919  Phlox douglasii subsp. rigida Elmer Ivan Applegate 1897-5-31 976 Modoc Dry Lake. Comment
  CAS-BOT-BC197932  Phlox douglasii subsp. rigida Elmer Ivan Applegate 1932-6-9 7572 Modoc N slope of Bidwell Mountain. Comment
  RSA0009310  Phlox douglasii subsp. rigida Mrs. R. M. Austin 536 Modoc Goose Lake Valley. Comment
  HSC17165  Phlox hoodii M. T. Milligan 1966-5-14 615 Modoc Plateau W of Jess Valley 1829 Comment
  CHSC112114  Phlox hoodii subsp. canescens L. P. Janeway; B. Castro 2014-6-2 11289 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  SJSU5869  Phlox hoodii subsp. canescens H. L. Buckalew 1961-7-5 Modoc Bald Mt near its summit, Warner Mts 2438 Comment
  CAS-BOT-BC197894  Phlox hoodii subsp. canescens E. H. Steffen 1917-5-21 6 Modoc West Valley Camp. 1676 Comment
  UCD118241  Phlox hoodii subsp. canescens R. N. Raynor 1940-4-16 s.n. Modoc Round Valley, between Aden and Canby. Comment
  CAS-BOT-BC197865  Phlox stansburyi Belknap C. Goldsmith 1912-5-8 45 Modoc 8 mi. NW of Alturas. Comment
  CAS-BOT-BC197871  Phlox stansburyi E. S. Willits 1940-4-27 195 Modoc Near quarantine station, Alturas. Comment
  HSC17180  Phlox stansburyi M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  UC190622  Phlox stansburyi M. F. Gilman 668 Modoc 1676 Comment
  CAS-BOT-BC58578  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1937-5-13 11088 Modoc Lava Beds Nationa Monument, Gillam Bluff. Comment
  CAS-BOT-BC58581  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1932-7-9 7592 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  UC1037470  Phoenicaulis cheiranthoides unknown 1936-6-14 8344 Modoc near summit of Cedar Pass Cedar Pass; Warner Mountains, Cedar Pass 1935 Comment
  UC10759  Phoenicaulis cheiranthoides Mrs. R. M. Austin and Bruce June 1898 2153 Modoc Goose Lake Comment
  CDA32619  Phragmites australis T. C. Fuller 1957-9-17 341 Modoc Near Eagleville. 0 Comment
  CAS-BOT-BC478167  Pinus albicaulis John Thomas Howell 1934-6-14 12109 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  CAS-BOT-BC73412  Pinus albicaulis Elmer I. Applegate 1932-7-31 7991 Modoc Mill Creek Meadows, west slope of Warner Mountains. 2438 Comment
  CAS-BOT-BC73416  Pinus albicaulis Elmer I. Applegate 1932-8-3 8131 Modoc Summit of Eagle Peak, Warner Mountains. 3019 Comment
  UCSB31430  Pinus albicaulis Haller, John 1978-7-19 Modoc Summit ridge of Warner Mountains, 1 km. north of the Likely-Eagleville Road 2377 Comment
  CAS-BOT-BC30152  Pinus attenuata Belknap C. Goldsmith 1912-6-30 61 Modoc W of Little Hot Spring Valley. 1066 Comment
  CAS-BOT-BC30160  Pinus contorta subsp. murrayana Belknap C. Goldsmith 1911-6-14 30 Modoc North Fork Davis Creek, W slope Warner Mts. 1889 Comment
  UC71759  Pinus contorta subsp. murrayana Mrs. M. H. Manning 1902-10-26 31 Modoc Warner Mt. ne Modoc County, Warner Mt. 1828 Comment
  NY49934  Pinus contorta var. murrayana B. M. Bartholomew 1988-7-22 4520 Modoc South end of Bearcamp Flat, southern end of Warner Mountains. Emerson Peak 7.5' Quad [topographic map] 2230 Comment
  UC71854  Pinus lambertiana Mrs. M. H. Manning 1902-10-26 32 Modoc Warner Mts. 2133 Comment
  UCSB18054  Pinus monticola 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
  UC711836  Pinus ponderosa Roxana S. Ferris and Laura Lorraine 1941-8-13 10546 Modoc Patterson Ranger Station Warner Mts, Modoc national Forest, Patterson Ranger Station 2164 Comment
  RSA275353  Pinus washoensis J. P. Smith, J. O. Sawyer 1973-8-8 7252 Modoc 1.5 miles north of Patterson Guard Station on Summit Trail; South Warner Wilderness. 2439 Comment
  UC71858  Piperia unalascensis Mrs. M. H. Manning 1903-7-9 41 Modoc Warner Range, ne Modoc County Warner Range 1828 Comment
  UCSC008466  Piperia unalascensis Randall Morgan 1990-7-30 1911 P Modoc Cave Lake (from Coleman) Comment
  UC526160  Plagiobothrys cognatus John Thomas Howell 1934-6-12 12034 A Modoc Plum Valley Watner Mts. Comment
  SJSU9597  Plagiobothrys cusickii W. Savage 1979-7-5 1364 Modoc Triange, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS127304  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2016-7-14 21160 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC58798  Plagiobothrys mollis var. mollis Bruce Bartholomew; Barrett Anderson 1990-7-19 5401 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC228488  Plagiobothrys salsus Ira L. Wiggins; Dorothy B. Wiggins 1961-6-13 16446 Modoc Lane on Phipp's Ranch, ca. 14 miles N of Cedarville, Surprise Valley Comment
  CAS-BOT-BC58729  Plagiobothrys salsus Arnold Tiehm; J. Nachlinger; G. Schoolcraft 1984-6-24 8797 Modoc E side of Middle Alkali Lake, E of Cedarville. 1356 Comment
  GMDRC5825  Plagiobothrys salsus R. B. Kelley 2005-6-26 883 Modoc along SR 299 Comment
  CAS-BOT-BC58732  Plagiobothrys scouleri Bruce Bartholomew; Barrett Anderson 1988-7-22 4547 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC58736  Plagiobothrys scouleri Clare Butterworth Hardham 1961-6-17 Modoc Cedar Pass Camp Ground. Comment
  CAS-BOT-BC58763  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-13 8132 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC58753  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13408 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  RSA210864  Plagiobothrys scouleri var. hispidulus R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39104 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  UCR165709  Plagiobothrys scouleri var. hispidulus David A. Charlet 1989-8-15 505 Modoc Warner Mountains; 1.2 km NW of Eagle Peak 2550 Comment
  JEPS127303  Plantago major Lowell Ahart, John Dittes 2016-7-14 21184 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC242220  Platanthera dilatata var. leucostachys Leland S. Smith 1917-7-24 122 Modoc Field redacted by CAS, contact the data manager for more information 1828 Comment
  UC4572  Platanthera stricta Mrs. R. M. Austin Aug 1894 Modoc headwaters Lassen Creek (Northern California); Headwaters Lassen Creek Comment
  CAS-BOT-BC136649  Platanthera stricta Mrs. R. M. Austin 1883-8-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC245395  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1988-5-13 4168 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 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
  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
  UC71838  Plectritis macrocera Mrs. M. H. Manning 1903-4-30 92 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  HSC21689  Plectritis macrocera M. T. Milligan 1965-6-27 357 Modoc E slope of eroded volcanic plateau. 1677 Comment
  UCD133576  Pleiacanthus spinosus Beecher Crampton 1954-7-7 2150 Modoc 3 miles west of Cedarville, east side of Cedar Pass. 1615 Comment
  SEINET190958 Image available Poa annua A. A. Beetle 1941-6-29 2832 Modoc Near summit Cedarville Pass 2118 Comment
  CAS-BOT-BC247585  Poa bulbosa Margaret J. Williams 1984-6-30 84- 80 -2 Modoc 6.8 mi. W of Cedarville-Gerlach road. Granger Canyon road. 1981 Comment
  CAS-BOT-BC247579  Poa cusickii Bruce Bartholomew 1989-7-15 4993 Modoc Sweagert Flat. 1860 Comment
  SD96114  Poa cusickii Jack L. Reveal 1976-6-2 1839 Modoc Modoc National Forest near Perez 1280 Comment
  RSA273391  Poa palustris J. P. Smith, J. O. Sawyer 1973-8-9 7277 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  UCD91855  Poa pratensis J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  UCD91957  Poa pratensis R. Tofsrud 1949-6-1 s.n. Modoc near Eagleville. Comment
  CAS-BOT-BC247619  Poa pratensis subsp. pratensis Bruce Bartholomew; Barrett Anderson 1990-7-19 5424 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CHSC67418  Poa sandbergii James D. Jokerst 1986-8-12 2764 Modoc Radar Site Survey S of Doublehead Mtn., vernal pool adjacent to unnamed road ca. 0.5 mi S of its jct. With the E-W road to Doublehead Mtn. Comment
  CAS-BOT-BC255023  Poa secunda Roxana S. Ferris; Laura Lorraine 1941-8-14 10582 Modoc 3 miles from Patterson Ranger Station on road to Eagleville, Warner Mountains, Modoc National Forest Comment
  UCD92437  Poa secunda subsp. juncifolia E. Wilson 1935-5-14 s.n. Modoc W side of pass toward Alturas. Comment
  CAS-BOT-BC247670  Poa secunda subsp. secunda Bruce Bartholomew; Barrett Anderson 1989-6-2 4803 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  JEPS70660  Poa secunda subsp. secunda L. S. Smith 1917-7-2 56 Modoc head of Shields Creek; Warner Mts 2331 Comment
  UC1024858  Poa secunda subsp. secunda Leo Whitney 1935-6-1 3174 Modoc meadow 1 mi s White Horse Comment
  UC1024879  Poa secunda subsp. secunda Leo Whitney 1935-5-29 3144 Modoc ca 18 mi wnw Canby (Hole-in-the-rock) Comment
  UCD92107  Poa secunda subsp. secunda L. Whitney 1935-7-21 3586 a Modoc Modoc National Forest. Happy Camp, 15 miles W of Canby. 1463 Comment
  UCD92102  Poa trivialis J. C. Hays 1937-7-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC252513  Poa wheeleri E. S. Willits 1940-5-16 252 Modoc Willow Ranch. Comment
  CAS-BOT-BC497210  Poaceae Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8381 Modoc Warner Mts., Rte. 299, exactly 12.8 mi NE of Alturas 1554 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
  CHSC67518  Pogogyne floribunda J. D. Jokerst 1987-6-23 2931 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear lake). Small lake several hundred meters S of Doublehead Lake. Comment
  SDSU19279  Pogogyne floribunda Michael Silveira 2007-7-24 20 Modoc Vernal pool North side of Highway 136 ca. 1 mile West of intersection of Crowder Flat Road and Clear Lake Reservoir Road. 1528 Comment
  CAS-BOT-BC95161  Polanisia dodecandra subsp. trachysperma John Thomas Howell 1934-6-13 12089 Modoc Surprise Valley, 3 mi N of Eagleville. Comment
  CAS-BOT-BC95167  Polanisia dodecandra subsp. trachysperma P. Monnet 1913-7-7 876 Modoc Warner's Range. 1524 Comment
  CAS-BOT-BC197856  Polemonium pulcherrimum Elmer Ivan Applegate 1932-8-3 8118 Modoc Arid crest of Warner Mts. N of Eagle Peak. Comment
  HSC81028  Polemonium pulcherrimum G. M. Riegel 1980-7-28 948 Modoc S Warner Mtns. 2100 Comment
  RSA59804  Polyctenium fremontii E. K. Balls 1950-5-17 14728 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  UC10287  Polyctenium fremontii Mrs. R. M. Austin May 1894 Modoc Ewing Creek Comment
  CAS-BOT-BC58323  Polyctenium fremontii var. fremontii Alice Eastwood; John Thomas Howell 1940-6-15 8275 Modoc Near Perez. Comment
  CAS-BOT-BC58451  Polyctenium fremontii var. fremontii F. Angwin 1946-4-21 Modoc Stone Coal Canyon, 12 mi. from Adin. 1280 Comment
  CHSC67096  Polyctenium fremontii var. fremontii James D. Jokerst 1987-5-11 2831 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, dry lake W and adjacent to N end of central sector. 1353 Comment
  CHSC112813  Polygonum Lowell Ahart; John Dittes 2013-7-24 18911 Modoc On the south side of a levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1262 Comment
  JEPS121234  Polygonum Lowell Ahart, John Dittes 2013-7-24 18911 Modoc On the S side of a levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  UC1332133  Polygonum Alice Eastwood, John Thomas Howell 1940-6-14 Modoc 8 mi nw of Canby Comment
  UC850123  Polygonum Lewis S. Rose 1940-6-14 40570 Modoc 8 mi nw of Canby 1524 Comment
  SEINET4936529 Image available Polygonum austinae Unknown 1885-1 s.n. Modoc Goose Lake Valley [Modoc County, on the northern border of the State] Comment
  OBI70870  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc Modoc Plateau: 1 mi NW of Mud lake, Devil's Garden 1524 Comment
  CAS-BOT-BC218132  Polygonum douglasii Louis Cutter Wheeler 1935-8-6 3801 Modoc Pine Creek (town). 1493 Comment
  UC526134  Polygonum douglasii subsp. douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp Comment
  UC526135  Polygonum douglasii subsp. spergulariiforme John Thomas Howell 1934-7-1 12326 Modoc Duncan Horse Camp Comment
  SEINET3087327 Image available Polygonum kelloggii Arnold Tiehm 1984-7-30 8829 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1615 Comment
  UCR174480  Polygonum kelloggii Jim Andre 1993-6-30 1413 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  SEINET11929437  Polygonum kelloggii Unknown 1940-1 40494 Modoc Comment
  UC1101143  Polygonum lapathifolium Herbert L. Mason and Verne Grant 1947-7-11 13372 Modoc irrigation ditch by Jones' Lane (off Hwy 395, s of Alturas) Comment
  UCR67027  Polygonum pensylvanicum George K. Helmkamp 1990-9-23 J- 18 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  UC1101125  Polygonum persicaria Herbert L. Mason 1947-8-11 13498 Modoc Lower Lake; Hwy 81, on w margin, near boundary between Lassen and Modoc Cos. Comment
  RSA65860  Polygonum polygaloides subsp. confertiflorum Alice Eastwood, John T. Howell 1940-6-14 13052 Modoc 8 miles NW of Canby Comment
  UCD100575  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 s.n. Modoc Devils Garden: Ca. 1/4 mile southwest of Big Sage Reservoir. 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
  CHSC81399  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1417 Modoc Ca. 11 mi nw of Canby, 1,000 ft n of Hwy 139. 1487 Comment
  JEPS98244  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1416 Modoc Hog Lake 1499 Comment
  UCD77941  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-17 1394 Modoc Ca. 9.5 mi nw of Canby, on s side of Hwy 139. 1487 Comment
  CAS-BOT-BC498690  Polygonum polygaloides subsp. esotericum L. C. Wheeler 1973-8-23 s.n. Modoc Big Mud Lake Comment
  CAS-BOT-BC218193  Polygonum polygaloides subsp. kelloggii Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devil's Garden. 1524 Comment
  JEPS19798  Polygonum polygaloides subsp. kelloggii Rimo Bacigalupi with S. Galen Smith 1957-8-27 5983 -A Modoc along State Hwy 139 about 9 mi nw Canby 1584 Comment
  UC1060644  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1957-7-6 14276 Modoc w Goose Lake; Rim Rock Comment
  NY407626  Polygonum sawatchense B. M. Bartholomew 1989-6-2 4781 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  RSA101497  Polygonum sawatchense subsp. oblivium R. Weatherby 1955-7-7 1608 Modoc Northern Juniper Woodland, 7 miles N of Ft. Bidwell 1875 Comment
  RSA334868  Polygonum sawatchense subsp. sawatchense A. Tiehm 1984-6-30 8841 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  CAS-BOT-BC218151  Polygonum spergulariiforme Bruce Bartholomew; Barrett Anderson 1990-7-19 5397 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  JEPS89823  Polystichum scopulinum Dean Wm. Taylor with Glenn Clifton 1990-6-25 11163 Modoc n. slopes Peak 7298 (Cedar Pass); Warner Mts., Davis Creek 15' USGS map, Cedar Pass 2148 Comment
  CAS-BOT-BC225105  Populus tremuloides Belknap C. Goldsmith 1911-5-28 27 Modoc Sugar Hill, W slope Warner Mts. 1524 Comment
  CAS-BOT-BC95151  Porterella carnosula Bruce Bartholomew 1991-7-6 5976 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  SEINET3892674  Potamogeton filiformis Herbert L. Mason 1955-8-14 14648 Modoc South end of Goose Lake.; 0 Comment
  UCD138231  Potamogeton foliosus Verne Grant; Irving Schneider 1947-7-29 8178 Modoc Fitzhugh Creek, near Payne Reservoir, south of Alturas. Comment
  POM208870  Potamogeton foliosus subsp. fibrillosus Milo S. Baker 1899-8-24 s.n. Modoc Carmichael s Mill, Big Valley Comment
  CAS-BOT-BC242237  Potamogeton gramineus Milo Samuel Baker 1899-8-18 s.n. Modoc Egg Lake Comment
  JEPS102211  Potamogeton gramineus J. Greenhouse 2001-6-11 5018 Modoc Small pond on N side of Forest Rd. 42N60 (Loveness Rd.) a few miles W of Hwy 139, about 9 mi NW of Canby. Comment
  POM313026  Potamogeton illinoensis Verne Grant, Irving Schneider 1947-8-29 8353 Modoc Pit River, at bridge by Coal Stone Valley. Comment
  CAS-BOT-BC242234  Potamogeton natans V. J. Wetherell; J. E. Finzel 1961-8-9 478 Modoc Stowe Reservoir Campground, 1 mi. E of Cedar Pass. 1828 Comment
  CAS-BOT-BC242229  Potamogeton nodosus Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River at Lookout. Comment
  CHSC99517  Potamogeton pectinatus Lowell Ahart; John Dittes 2008-6-21 15005 Modoc In shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. 1269 Comment
  CAS-BOT-BC242260  Potamogeton pectinatus Verne Grant; I. Schneider 1947-7-19 8085 Modoc S of Williams ranch house, N of Likely. Comment
  UC1100082  Potamogeton pectinatus Verne Grant, Irving Schneider 1947-7-19 8085 Modoc n of Likely (s of Williams ranch house) Comment
  SEINET5335406  Potamogeton perfoliatus M. S. Baker 1899-8-24 s.n. Modoc in Pit River at Lookout Comment
  SEINET5335427  Potamogeton pusillus M. S. Baker 1899-8-24 s.n. Modoc Carmichaels Mill Comment
  CAS-BOT-BC242226  Potamogeton richardsonii Verne Grant; I. Schneider 1947-7-18 8053 Modoc 1.4 mi. N of Bayle's bridge, S of Alturas. Comment
  UC1100097  Potamogeton richardsonii Herbert L. Mason, Verne Grant 1947-7-11 13380 Modoc 1 mi e of Likely (on road from Likely to Jess Valley) Comment
  CAS-BOT-BC242269  Potamogeton zosteriformis Herbert Louis Mason; Verne Grant 1947-7-12 13384 Modoc Jones Lane, off Hwy 395, several miles S of Alturas. Comment
  UC1746076  Potamogeton zosteriformis Annetta M. Carter 1946-8-18 1774 Modoc Canby Creek W of Canby. Comment
  CHSC116071  Potentilla biennis Lowell Ahart; John Dittes 2015-7-16 20373 Modoc South 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
  POM33920  Potentilla biennis R. M. Austin 1890-07 522 Modoc Northern California, Goose Lake. Comment
Read comments
Sep 7 2010
  CAS-BOT-BC214745  Potentilla breweri Annie Montague Alexander; L. Kellogg 1946-8-3 5108 Modoc Head of Eagle Creek, Warner Mts. Comment
  UC1594784  Potentilla breweri David Charlet 1988-8-13 192 Modoc 10 mi e Patterson Lake (South Warner Mountains); , e of Patterson Lake 2755 Comment
  RSA11804  Potentilla breweri var. breweri Elmer I. Applegate 1932-8-1 8025 Modoc Warner Mtns, near summit S of Warner Peak. Comment
  HSC18783  Potentilla glaucophylla var. glaucophylla M. T. Milligan 1964-7-25 182 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC214777  Potentilla gracilis Bruce Bartholomew; Barrett Anderson 1988-7-21 4424 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC214778  Potentilla gracilis John Thomas Howell 1934-7-1 12303 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC214791  Potentilla gracilis Annie Montague Alexander; L. Kellogg 1946-6-12 4732 Modoc Fort Bidwell. 1444 Comment
  JEPS47213  Potentilla gracilis var. fastigiata Frances D. Payne 1931-6-17 182 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  POM312886  Potentilla gracilis var. flabelliformis Verne Grant 1947-7-19 8073 Modoc Williams Ranch; along Southern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. Comment
  CAS-BOT-BC143311  Potentilla newberryi John Thomas Howell 1934-7-2 12359 Modoc East side of Clear Lake Comment
  RSA252486  Potentilla palustris Robert F. Thorne 1969-9-5 39162 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  UC1191494  Potentilla rivalis Herbert L. Mason 1947-8-13 13518 Modoc n Canby (ne side of F reservoir); n of Canby, ne side of F reservoir Comment
  CAS-BOT-BC225021  Poteridium annuum John Thomas Howell 1934-6-11 11922 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC225033  Poteridium annuum Margaret J. Williams 1984-6-20 84- 75 -2 Modoc 27.4 mi. N of Cedar Pass road on Hwy 395. 1295 Comment
  UCD113966  Poteridium annuum Herbert L. Mason; Verne Grant 1947-7-13 13443 Modoc Near roadside, Joseph Creek on Highway 395, north of Davis Creek (east side of Goose Lake). Comment
  HSC42460  Prunus andersonii Barbara Kelly 1977-8-9 553 Modoc Ash Creek Campground Comment
  RSA488042  Prunus andersonii Bruce Bartholomew, B. Anderson 1988-5-12 4138 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  CAS-BOT-BC214803  Prunus emarginata Bruce Bartholomew 1989-7-15 5019 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  OBI10066  Prunus emarginata H. E. McMinn 1931-5-23 2473 Modoc Warner Mts Comment
  RSA504650  Prunus emarginata Bruce Bartholomew 1988-7-23 4600 Modoc Pine Creek, 1km E of U.S. Hwy. 395 on the road to Lily Lake, Warner Mountains. 1550 Comment
  UC748214  Prunus emarginata Annie M. Alexander and Louise Kellogg 1946-6-28 4859 Modoc above Lily Lake (Pine Creek Canyon, north end of Warner Mountains); Warner Mountains, Pine Creek Canyon 2103 Comment
  JEPS27653  Prunus emarginata L. S. Smith 1917-1 Modoc California Comment
  CAS-BOT-BC214823  Prunus subcordata Bruce Bartholomew; Barrett Anderson 1989-4-27 4610 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UC1075726  Prunus subcordata Robert J. Weatherby 1955-7-8 1630 Modoc 6 mi N of Ft. Bidwell; Warner Mountains 1645 Comment
  UC71585  Prunus subcordata Mrs. M. H. Manning 1903-5-6 5 Modoc near Fort Bidwell (in n-eastern Modoc County) Comment
  HSC65595  Prunus virginiana var. demissa Thomas Wood 1979-8-9 229 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  UC860998  Prunus virginiana var. demissa Lewis S. Rose 1940-6-13 40554 Modoc Fandango Pass 1905 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
  UCD91522  Pseudoroegneria spicata L. D. Whitney 1935-8-3 s.n. Modoc Lava Mountain side -- near Buck Creek -- North Warner Mountains. 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
  SEINET11944060  Pseudostellaria jamesiana M. Ownbey, Meyer, F. G. 1940-1 2142 Modoc Cedar Peak, Warner Mts Comment
  UC465824  Pseudostellaria jamesiana M. F. Gilman 663 Modoc Canyons 1676 Comment
  SD149210  Pseudotsuga menziesii B. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1399 Comment
Read comments
Aug 12 2008
  CAS-BOT-BC50385  Psilocarphus brevissimus var. brevissimus John Thomas Howell 1934-7-2 12361 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  JEPS118265  Psilocarphus oregonus Lowell Ahart, John Dittes 2011-6-22 17552 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  CAS-BOT-BC95682  Pterospora andromedea Bruce Bartholomew; Barrett Anderson 1990-7-21 5591 Modoc Bear Flat, W side of Warner Mts. Ranger Station, er Station, E side of Warner Mts. 1830 Comment
  UCD92334  Puccinellia A. A. Beetle 1944-8-16 3035 Modoc 3 miles west of Alturas. Border of Pitt River. Comment
  UCD92335  Puccinellia Beecher Crampton 1954-7-6 2083 -C Modoc Along U. S. Hwy. 395. 4 miles north of Likely. Comment
  RSA26258  Puccinellia lemmonii Alice Eastwood, J. T. Howell 1940-6-11 8020 Modoc Near Canby Comment
  UCD91885  Puccinellia lemmonii Beecher Crampton 1954-7-8 2189 Modoc Modoc County, 1.5 miles west of Altura, extension of 4th Street. Comment
  UCD32738  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2191 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UC1128536  Purshia tridentata var. tridentata R. C. Wilson 1933-6-7 41 Modoc Pothole Gulch; Modoc National Forest, Canby Quad. 1310 Comment
  CAS-BOT-BC95686  Pyrola picta Annie Montague Alexander; L. Kellogg 1946-7-14 5068 Modoc Trail to Emerson Camp, Bear Camp Flat, Warner Mts. Comment
  UC73539  Pyrola picta Milo S. Baker 1898-7-1 536 Modoc Forestdale Comment
  CAS-BOT-BC50397  Pyrrocoma carthamoides var. cusickii Louis Cutter Wheeler 1935-8-12 3827 Modoc Cotonwood Creek, Warner Mts. 1676 Comment
  UC1037320  Pyrrocoma carthamoides var. cusickii Leo Whitney 1934-6-2 1862 Modoc ca 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UC584291  Pyrrocoma carthamoides var. cusickii G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2374 Modoc open fields center Round Valley (along state highway) 1066 Comment
  HSC67877  Pyrrocoma hirta J. P. Smith, J. O. Sawyer 1973-8-8 7249 Modoc Along summit trail to Patterson Guard Station, 1 mi. S of trail to N Emerson Lake 2561 Comment
  POM260847  Pyrrocoma lanceolata Alice Eastwood, J. T. Howell 1940-6-12 8033 Modoc Likely Comment
  POM166750  Quercus kelloggii Milo S. Baker 1893-7-10 s.n. Modoc Mountain side. Comment
  UC190589  Raillardella argentea M. F. Gilman 640 Modoc Comment
  JEPS96526  Ranunculus alismifolius var. alismellus Dean W. Taylor 1992-5-8 12567 Modoc Warner Mountains, Mt. Bidwell, ca. 0.5 miles E of Moonlite Mines 2432 Comment
  JEPS3948  Ranunculus alismifolius var. alismifolius N. T. Mirov 1929-5-30 Modoc on trail between Fort Bidwell and Buck Creek; Warner Mountains, Spring Creek 2011 Comment
  NY492813  Ranunculus alismifolius var. hartwegii L. C. Wheeler 1935-8-4 3774 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Mountains 2225.0 Comment
  CAS-BOT-BC217264  Ranunculus aquatilis var. aquatilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16519 Modoc On mesa 11 mi. W of Canby, along Calif. St. Highway 139. Comment
  CAS-BOT-BC379163  Ranunculus aquatilis var. aquatilis F. P. Cronemiller; L. S. Smith 1923-6-18 601 Modoc Indian Dick R.S. Comment
  RSA27049  Ranunculus aquatilis var. capillaceus C. L. Hitchcock 1940-5-28 6721 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  RSA399371  Ranunculus aquatilis var. capillaceus George Willet 1935-6-12 s.n. Modoc [Unspecified] Comment
  CAS-BOT-BC217268  Ranunculus aquatilis var. diffusus Alice Eastwood; John Thomas Howell 1940-6-12 8093 Modoc Jess Valley. Comment
  CAS-BOT-BC217272  Ranunculus aquatilis var. diffusus C. L. Hitchcock 1940-5-28 6721 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  CAS-BOT-BC378944  Ranunculus californicus var. californicus Parkison 1916-6-21 24 Modoc Lassen Forest, meadow at Patterson Camp 1707 Comment
  CAS-BOT-BC217227  Ranunculus cymbalaria Bruce Bartholomew 1991-8-4 6012 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  CAS-BOT-BC217228  Ranunculus cymbalaria Louis Cutter Wheeler 1935-8-3 3769 Modoc Pine Creek, Warner Mts. 1554 Comment
  CHSC112764  Ranunculus cymbalaria Lowell Ahart; John Dittes 2013-7-24 18938 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  CDA24321  Ranunculus cymbalaria var. saximontanus T. C. Fuller 1979-6-5 20265 Modoc R. A. Byrne property, north side of Highway 108, 10 km. northeast of Tulelake. 0 Comment
  POM269956  Ranunculus cymbalaria var. saximontanus Louis C. Wheeler 1935-8-3 3769 Modoc Pine Creek, Warner Mts 1555 Comment
  CAS-BOT-BC217239  Ranunculus flabellaris Alice Eastwood; John Thomas Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  CAS-BOT-BC217241  Ranunculus flammula Bruce Bartholomew 1994-5-29 6734 Modoc Curtis Water Hole, NW of Egg Lake. 1280 Comment
  UC480975  Ranunculus glaberrimus M. F. Gilman 666 Modoc Comment
  POM100512  Ranunculus glaberrimus var. ellipticus R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  RSA59654  Ranunculus glaberrimus var. ellipticus E. K. Balls 1950-5-12 14636 Modoc above Bucks Creek Ranger Station, Modoc National Forest; east of Goose Lake. 1768 Comment
  CAS-BOT-BC217207  Ranunculus glaberrimus var. glaberrimus Edward Kent Balls 1950-5-12 14636 Modoc Above Bucks Creek Ranger Station. 1767 Comment
  CAS-BOT-BC217204  Ranunculus glaberrimus var. glaberrimus Lindsay Stuart Smith; E. H. Steffen 1917-5-21 4 Modoc West Valley Camp. 1524 Comment
  CAS-BOT-BC497340  Ranunculus glaberrimus var. glaberrimus G. Schoolcraft 1989-7-16 1969 Modoc Warner Mts. SE of Patterson Lake 2773 Comment
  OBI48153  Ranunculus macounii Rhonda Riggins 1989-4-28 1672 Modoc 0.3 mi W West Warner Rd on Parker Crk rd, W side Warner Mts. T41N, R14E, sec 27 Comment
  CAS-BOT-BC217183  Ranunculus occidentalis Arnold Tiehm 1984-6-30 8832 Modoc N edge of Annie on W side of Bidwell Mt., NE of Fort Bidwell. 1530 Comment
  POM260873  Ranunculus occidentalis var. eisenii Alice Eastwood, John T. Howell 1940-6-15 8283 Modoc Near Happy Camp Range Station. Comment
  RSA324240  Ranunculus occidentalis var. eisenii A. Tiehm 1984-6-30 8832 Modoc N edge of Lake Annie on the W side of Bidwell Mt, NE of Ft. Bidwell. 1530 Comment
  RSA59730  Ranunculus occidentalis var. eisenii E. K. Balls 1950-5-17 14740 Modoc Howard's Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  CHSC85193  Ranunculus occidentalis var. occidentalis John Dittes; Josephine Guardino 1991-6-1 352 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-BC217195  Ranunculus sceleratus var. multifidus Elmer Ivan Applegate 1897-6-5 968 Modoc Near Alturas. Comment
  CAS-BOT-BC217164  Ranunculus uncinatus John Thomas Howell 1934-6-11 11963 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC217167  Ranunculus uncinatus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10547 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. Modoc National Forest 2164 Comment
  JEPS60664  Ranunculus uncinatus Frances D. Payne 1929-6-22 15 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC485337  Ranunculus uncinatus Mrs. M. H. Manning 1905-6-12 712 Modoc Warner Range; ne Modoc Co. 1524 Comment
  UC18577  Rhamnus rubra Milo S. Baker 1893-7-20 Modoc near Egg Lake; Lava Beds Comment
  CAS-BOT-BC95604  Rhodiola rosea subsp. integrifolia Annie Montague Alexander; L. Kellogg 1946-7-29 5085 Modoc Head of Eagle Creek, Warner Mts. Comment
  CAS-BOT-BC498760  Ribes L. S. Smith 1919-8-25 1143 Modoc Modoc Forest: Dismal Swamp Comment
  RSA204122  Ribes aureum J. T. Howell 1934-6-13 12096 Modoc Patterson Mill Road, Warner Mtns. 1677 Comment
  RSA520433  Ribes aureum Bruce Bartholomew, M. Bourell 1990-4-26 5163 Modoc Vicinity of Ostrom Point, N side of Pit River 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  CAS-BOT-BC225868  Ribes cereum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16417 Modoc Mountainside near summit of Cedar Pass between Alturas and Cedarville. 1943 Comment
  CAS-BOT-BC225872  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC225895  Ribes cereum K. Paulson; Robert Paulson 1989-6-14 135 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1905 Comment
  NY454995  Ribes cereum B. Anderson 1986-7-9 3185 Modoc Warner Mountains. Stough Reservoir Road just east of Cedar Pass near Stough Reservoir 1965 Comment
  RSA520464  Ribes cereum K. Paulson, R. Paulson 1989-6-14 135 Modoc 1.5 miles NE of Cedar Pass, Warner Mts. 1905 Comment
  SBBG2753  Ribes cereum H. and M. Dearing 1939-6-8 3596 Modoc Pine Cyn, Warner Mtns 1524 Comment
  UC1281035  Ribes cereum H. E. McMinn 1931-5-23 2462 Modoc Cedarville Road Warner Mts. 1889 Comment
  UCR27242  Ribes cereum Susanne M. James 1980-5-15 515- 01 Modoc Modoc National Forest. 0.5 mi east of Loveness Road, and 6.5 mi west of Canby. Comment
  POM92109  Ribes cereum Mrs. R. M. Austin 1895-05 43 Modoc Ross Canyon Comment
  SBBG2771  Ribes malvaceum H. and M. Dearing 1939-6-8 3608 Modoc Lily Lake, Warner Mtns Comment
  CAS-BOT-BC225903  Ribes montigenum Elmer Ivan Applegate 1932-8-3 8122 Modoc Dry rocky summit of Warner Mts. just S of Eagle Peak. 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
  UC11556  Ribes nevadense Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC225923  Ribes velutinum Bruce Bartholomew; Barrett Anderson 1989-4-28 4653 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC225931  Ribes velutinum Frank Pery Sipe 1930-7-17 s.n. Modoc Lava beds. Comment
  CAS-BOT-BC225949  Ribes viscosissimum K. Paulson; Robert Paulson 1989-6-21 145 Modoc Pine Creek Basin, W side of the Warner Mts. 2109 Comment
  SBBG27540  Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 mi NE of Alturas 1615 Comment
  CAS-BOT-BC50372  Rigiopappus leptocladus Annie Montague Alexander; L. Kellogg 1946-6-17 4789 Modoc Open plain 10 mi. NE of Alturas, Cedar Pass road. Comment
  CAS-BOT-BC50369  Rigiopappus leptocladus Fred. P. Cronemiller 1920-6-15 10 Modoc McKenzie Spring. 1341 Comment
  UC90670  Rigiopappus leptocladus Mrs. R. M. Austin Modoc Lost River Canyon Comment
  CDA20130  Rorippa austriaca C. Pirosko 2002-6-14 PDR P 120230 Modoc Modoc Plateau; Jones Lake. 0 Comment
  CDA3843  Rorippa austriaca G. D. Barbe 1985-8-29 4251 Modoc East of the railroad crossing and the Eastside Canal; Corporation Ranch north of Likely. 0 Comment
  CDA3845  Rorippa austriaca T. C. Fuller 1958-8-12 2081 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC58376  Rorippa curvisiliqua Annie Montague Alexander; L. Kellogg 1946-6-26 4830 Modoc Dismal Swamp, N edge of Warner Mts. 2255 Comment
  JEPS127165  Rorippa curvisiliqua var. orientalis Lowell Ahart, John Dittes 2016-7-14 21163 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
  UC673336  Rorippa nasturtium-aquaticum F. H. Frost 1925-7-11 Modoc Cedar Canyon 2 mi above Cedarville (Warner Mts.); , Cedar Canyon, above Cedarville Comment
  CAS-BOT-BC95040  Rorippa sinuata Annie Montague Alexander; L. Kellogg 1946-6-20 4811 Modoc Eagleville. 1440 Comment
  RSA520487  Rosa gymnocarpa Bruce Bartholomew 1989-7-14 4931 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  CAS-BOT-BC497303  Rosa gymnocarpa B. Bartholomew; B. Anderson 1988-6-23 4275 Modoc 4.0 km W of Day on County Rd 94 1340 Comment
  JEPS45631  Rosa woodsii var. ultramontana W. L. Jepson 1918-8-6 7847 Modoc Fandango Pass Surprise Valley (fields and at summit) 1447 Comment
  RSA59526  Rosa woodsii var. ultramontana E. K. Balls 1950-5-20 14814 Modoc Above South Fork Public Camp, on slope south of river, Likely to Jess Valley. 1433 Comment
  HSC17566  Rumex acetosella M. T. Milligan 1965-6-23 289 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC211340  Rumex crispus Bruce Bartholomew 1991-7-6 5964 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  CAS-BOT-BC211346  Rumex lacustris Edward Kent Balls 1950-5-13 14661 Modoc Goose Lake, E shore, about Willow Ranch. 1463 Comment
  CAS-BOT-BC211349  Rumex lacustris Herbert Louis Mason; Verne Grant 1947-8-27 8309 Modoc South end of Clear Lake. Comment
  UCD101327  Rumex lacustris Verne Grant; Irving Schneider 1947-8-27 8309 Modoc South end Clear Lake. Comment
  RSA59805  Rumex lacustris E. K. Balls 1950-5-17 14731 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  CAS-BOT-BC211303  Rumex maritimus Bruce Bartholomew 1990-8-3 5606 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  UCR43513  Rumex maritimus R. F. Thorne, C. W. Tilforth, James Henrickson 1969-9-3 39017 Modoc Fresh water (tule) marsh at SE end of Tule Lake Sump 0.5 mi north of turnoff to Lava Beds National Monument. (2.2 mi east of NE entrance to monument:) 1265 Comment
  UC1191272  Rumex maritimus Herbert L. Mason and Verne Grant 1947-7-11 13362 Modoc 5 mi s Alturas (on Highway 395) Comment
  CDA23183  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  JEPS58030  Rumex occidentalis Frances D. Payne 1931-7-4 312 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  HSC81008  Rumex salicifolius G. M. Riegel 1978-8-11 668 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC211323  Rumex triangulivalvis Alice Eastwood; John Thomas Howell 1940-6-12 8039 Modoc Between Likely and Jess Valley. Comment
  POM119225  Sagittaria cuneata Mrs. R. M. Austin 1895-07 479 Modoc Davis Creek Comment
  POM313044  Sagittaria latifolia H. L. Mason 1947-7-12 13413 Modoc Irrigation ditch near S end of road on west side of the Pit River Valley. Comment
  SEINET10734771  Salix Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 930 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-BC225111  Salix bebbiana Belknap C. Goldsmith 1911-5-21 25 Modoc East shore of Goose Lake. Comment
  CAS-BOT-BC225125  Salix boothii Elmer Ivan Applegate 1932-7-9 7596 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  RSA5674  Salix boothii Frances D. Payne 1931-7-7 331 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  UC482329  Salix boothii Frances D. Payne 1931-7-7 331 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC482330  Salix boothii Frances D. Payne 1931-7-7 331 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC482335  Salix boothii Frances D. Payne 1931-7-7 335 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC492374  Salix boothii Frances D. Payne 1932-7-21 728 b Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  UC492375  Salix boothii Frances D. Payne 1932-6-21 728 c Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  UC511709  Salix boothii Frances D. Payne 1931-7-8 339 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225758  Salix eastwoodiae Francis Dorris Payne 1931-7-8 177 Modoc Pine Creek Basin ca. 33 km SE of Alturas, Warner Mountains 2280 Comment
  SJSU243  Salix eastwoodiae F. D. Payne 1931-6-25 275 Modoc near spring N slope of flat along Cr Pine Cr Basin, Warner Mts, c. 33 km SE Alturas 2286 Comment
  UC481860  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481864  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225773  Salix exigua Elmer Ivan Applegate 1932-8-4 8157 Modoc Bank of Pitt River, 8 mi. E of Likely. Comment
  HSC80731  Salix exigua G. M. Riegel 1980-7-16 890 Modoc S Warner Mtns. 2100 Comment
  LA208609  Salix exigua Mrs. H. P. Bracelin; 1931-6-30 501 Modoc Alturas, at SW end of town 1360.0 Comment
  LA208612  Salix exigua Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km. E of Alturas; meadow S of Payne Ranch 1560.0 Comment
  NY187439  Salix exigua F. D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km east of Alturas; meadow south of Payne Ranch 1560 Comment
  POM218951  Salix exigua H. P. Bracelin, Frances D. Payne 1931-6-30 494 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  POM220489  Salix exigua H. P. Bracelin, Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  SJSU194  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc SW end of Alturas 1371 Comment
  RSA59859  Salix exigua E. K. Balls 1950-5-20 14793 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  RSA437634  Salix gooddingii James D. Morefield, Tim S. Ross 1987-7-27 4723 Modoc White Mtns: Canyon of Perry Aiken Creek. 1.5 miles S45oE of Juniper Mtn summit. Fishlake Valley drainage. 1799 Comment
  UC481937  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 490 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  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
  CAS-BOT-BC197558  Salix lasiandra var. lasiandra H. P. Bracelin; Francis Dorris Payne 1931-6-30 498 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  JEPS14858  Salix lasiolepis Frances D. Payne 1931-6-10 137 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  RSA233778  Salix lasiolepis Robert F. Thorne, C. W. Tilforth 1969-9-5 39143 Modoc Along S Fork of Pit River above jct,. with West Creek at Public Campground. Ca 6 miles E of Likely. 1402 Comment
  UC481926  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby 1350 Comment
  UC481932  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby 1350 Comment
  CAS-BOT-BC229662  Salix lemmonii H. P. Bracelin 1934-6-13 819 Modoc Patterson Mill Rd., E side of Warner Mts., beside Barber Creek. 1524 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
  UC482350  Salix lemmonii Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 496 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch, Parker Creek); Parker Creek 1560 Comment
  CAS-BOT-BC229678  Salix lutea H. P. Bracelin; Francis Dorris Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC229832  Salix scouleriana Louis Cutter Wheeler 1935-8-3 3759 Modoc Pine Creek, Warner Mts. 1737 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
  UC55022  Salix scouleriana Milo S. Baker 1893-6-6 Modoc Big Valley Mts. Comment
  UCR67036  Salvia aethiopis George K. Helmkamp 1990-9-23 H- 9 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CDA36801  Salvia aethiopis D. B. Joley 1976-6-23 2 Modoc Hwy 395, north of Alturas, 1 mile north of border station. 0 Comment
  SEINET14190177 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area 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
  UC585165  Salvia dorrii var. dorrii E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1819 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon 1524 Comment
  JEPS12713  Sambucus mexicana F. H. Frost 1925-7-11 35 Modoc 2 mi above Cedarville; Cedar Canyon campsite Comment
  UC147283  Sambucus mexicana Milo S. Baker 1898-7-20 467 Modoc Taylor Cr. Forestdale Comment
  CAS-BOT-BC238785  Sambucus nigra subsp. caerulea John Thomas Howell 1934-6-11 11943 Modoc Parker Creek, Warner Mts. 1584 Comment
  SEINET2149926  Sambucus racemosa var. melanocarpa K. T. Harper 1974-1 142 Modoc Pine Creek, west slope of Warner Mountains. 2226 Comment
  JEPS5936  Sambucus racemosa var. microbotrys Frances D. Payne 1931-6-25 256 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  HSC19732  Sanguisorba annua M. T. Milligan 1964-6-20 66 Modoc 4 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  JEPS46338  Sanguisorba annua Frances D. Payne 1931-6-18 199 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC15676  Sanicula graveolens Bruce Bartholomew; Barrett Anderson 1990-7-20 5532 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  RSA531363  Sanicula graveolens Bruce Bartholomew, B. Anderson 1990-7-20 5532 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC95238  Saponaria officinalis Bruce Bartholomew 1989-8-12 5136 Modoc 4.2 km W of Likely on County Road 60. 1370 Comment
  SD134008  Saponaria officinalis B. Bartholomew 1989-8-10 5050 Modoc North side of Widow Valley, 10.1 km east of Day on County Road 94. Comment
  UC1583998  Saxifraga integrifolia G. Schoolcraft 1990-6-7 2081 Modoc about 12 mi ne of Alturas (near Joseph Creek) 1615 Comment
  UC11816  Saxifraga nidifica var. nidifica Milo S. Baker 1893-6-8 Modoc Forestdale Comment
  UC11860  Saxifraga oregana Milo S. Baker 1893-6 Modoc California Comment
  RSA504840  Schedonorus pratensis Bruce Bartholomew, B. Anderson 1988-7-22 4482 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mountains; Sierran Montane forest. 2210 Comment
  POM312848  Schoenoplectus americanus H. L. Mason 1947-8-11 13499 Modoc On Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  CAS-BOT-BC245111  Schoenoplectus pungens Robert Folger Thorne; et al 1969-9-4 39072 Modoc S end of Goose Lake. 1432 Comment
  UC1100768  Scirpus acutus var. occidentalis Herbert L. Mason, Verne Grant 1947-7-12 13422 Modoc s Alturas (Pit River Valley, irrigation ditch near s end of w side road along railroad tracks); Pit River Valley, s of Alturas 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
  CHSC113087  Scirpus microcarpus Lowell Ahart; John Dittes 2013-7-24 18944 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  POM229943  Scirpus nevadensis L. C. Wheeler 1935-9-4 3944 Modoc McGinty Point, Goose Lake. 1463 Comment
  RSA210794  Scirpus nevadensis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39078 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  HSC21135  Scrophularia desertorum M. T. Milligan 1965-6-30 393 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  CAS-BOT-BC197842  Scrophularia lanceolata John Thomas Howell 1934-6-12 12008 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC179234  Scutellaria antirrhinoides M. Vasey 1990-6-30 9028 Modoc Around NW margin of Egg Lake, Modoc National Forest 1300 Comment
  JEPS94083  Scutellaria antirrhinoides Vernon H. Oswald and Lowell Ahart 1998-9-8 9593 Modoc ca. 0.5 mi. air n.e. Lookout Junction (County Rd. 95 at Taylor Creek n.w. of Lookout) 1280 Comment
  UC25795  Scutellaria antirrhinoides Milo S. Baker Jun 12 1893-Jul 10 1893 Modoc Comment
  CAS-BOT-BC179226  Scutellaria nana John Thomas Howell 1934-6-30 12257 Modoc Duncan Horse Camp. 1355 Comment
  UCD92572  Secale cereale Leo Whitney 1935-7-2 3405 Modoc Badger Well. Comment
  CHSC63604  Sedum lanceolatum V. H. Oswald; Beth Corbin, Mike Dolan, Allison Sanger 1994-7-9 6372 Modoc Dismal Swamp ca. 6 mi (air) E of Hwy. 395, just S of the Oregon border. 2218 Comment
  NY758132  Sedum lanceolatum L. C. Wheeler 1935-8-14 3844 Modoc Pine Creek, Warner Mountains 1585 Comment
  JEPS48026  Sedum lanceolatum Frances D. Payne 1931-6-29 284 Modoc trail from Granger Pass to Mt. Warren (Warner Mountains); , trail fr Granger Pass to Mt. Warren 1981 Comment
  UC11266  Sedum lanceolatum Mrs. C. C. Bruce 1890-1 2324 Modoc Comment
  UC748226  Sedum rosea subsp. integrifolium Annie M. Alexander and Louise Kellogg 1946-7-29 5085 Modoc head Eagle Creek (Warner Mountains, moist stony flat below divide); Warner Mountains, head of Eagle Creek Comment
  JEPS48038  Sedum stenopetalum Mary H. Manning 1907-1 Modoc e side Mt. Bidwell (Twelve-mile Creek); e side Mt. Bidwell, Twelve-mile Creek Comment
  CAS-BOT-BC95619  Sedum stenopetalum subsp. stenopetalum Frederick H. Frost 1925-7-13 75 Modoc Summit, Cedar Canyon, Warner Mts. Comment
  CAS-BOT-BC50335  Senecio aronicoides Bruce Bartholomew 1992-5-16 6337 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  UC36169  Senecio aronicoides Milo S. Baker 1893-6 Modoc Pinewoods Comment
  SEINET191900  Senecio canus Mrs. H. C. Cantelow 1940-6-2 Modoc 4 miles west of Alturas Comment
  RSA152713  Senecio eremophilus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16370 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  RSA0012564  Senecio hydrophilus F. W. Peirson 1926-6-25 6894 Modoc 1 mile east of summit of Warner Mts. on Cedarville Road. Comment
  CAS-BOT-BC50254  Senecio integerrimus var. exaltatus Bruce Bartholomew; Barrett Anderson 1989-6-3 4883 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC50292  Senecio integerrimus var. exaltatus Elmer Ivan Applegate 1932-7-9 7585 Modoc N slope of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC50296  Senecio integerrimus var. exaltatus Elmer Ivan Applegate 1932-8-1 8039 Modoc Arid summit of Warner Mountains, S of Warren Peak. Comment
  UC91382  Senecio integerrimus var. exaltatus Mrs. R. M. Austin Jun 1894 Modoc Davis Creek Comment
  JEPS37283  Senecio integerrimus var. exaltatus Milo S. Baker 1893-6-25 Modoc Comment
  JEPS5946  Senecio integerrimus var. exaltatus Frances D. Payne 1931-6-22 235 Modoc s and e Alturas (n tributary of Dry Creek); Warner Mountains, Parker Creek, Dry Creek 1828 Comment
  UC1234625  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-29 17880 Modoc 3.4 mi e Cedar Pass; Warner Mountains Comment
  POM272189  Senecio pauciflorus Mrs. R. M. Austin s.n. Modoc Devil's Garden; Pitt River watershed. 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
  RSA11805  Sibbaldia procumbens Elmer I. Applegate 1923-8-1 8023 Modoc High summit of Warner Mtns. Just S of Warner Peak. Comment
  POM319037  Sidalcea Patricia Wilder 1971-6-20 5098 Modoc Lookout-White Horse Rd., about 3 mi. west of Lookout; north of Bieber and California State Hiway 299. Pit River Drainage, Cascades Mt. Range. 1372 Comment
  HSC16024  Sidalcea oregana M. T. Milligan 1966-7-3 525 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC179070  Sidalcea oregana subsp. oregana Bruce Bartholomew; Barrett Anderson 1988-6-23 4235 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UC201725  Sidalcea oregana subsp. oregana W. P. Taylor and H. C. Bryant 1910-6-11 Modoc Alturas Warner Mountains, , Alturas (S Fork Pitt R) 1402 Comment
  SJSU9695  Sidalcea oregana subsp. oregana W. Savage 1979-7-20 1547 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC18883  Sidalcea oregana subsp. oregana Milo S. Baker 1893-7-11 Modoc Comment
  CAS-BOT-BC179051  Sidalcea oregana subsp. spicata E. S. Willits 1940-6-9 338 Modoc 12 Mile Creek. Comment
  RSA666420  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 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
  UC8414  Silene antirrhina Milo S. Baker 1893-6-14 Modoc Island , Island (Egg Lake) Comment
  JEPS50879  Silene douglasii Frances D. Payne 1929-7-26 118 Modoc 2 mi sw Warren Mt. (southeastern Modoc County); Pine Creek Basin, sw of Warren Mt. 2133 Comment
  SD61017  Silene douglasii Darley F. Howe 1964-7-31 Modoc 8.5 miles from entrance on road from Likely. Modoc National Forest, Warner Mountains. 1550 Comment
  UC1037202  Silene douglasii Leo Whitney 1934-6-5 1551 Modoc Modoc National Forest Modoc National Forest (on lava flows) 1371 Comment
  CAS-BOT-BC95243  Silene douglasii var. douglasii Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10610 Modoc Summit of Fandango Pass. 1889 Comment
  CAS-BOT-BC95254  Silene douglasii var. douglasii Louis Cutter Wheeler 1935-8-5 3784 Modoc Pine Creek, Warner Mts. 2316 Comment
  UC465655  Silene lemmonii Franklin P. Nutting Modoc near Forestdale; near Forestdale Comment
  CAS-BOT-BC95264  Silene menziesii Annie Montague Alexander; L. Kellogg 1946-7-7 4947 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  HSC80713  Silene menziesii G. M. Riegel 1980-8-6 1001 Modoc South Warner Mountains 1670 Comment
  NY452817  Silene menziesii B. M. Bartholomew 1990-6-17 5330 Modoc Sand Creek, 9.6 miles east of Cedarville, Surprise Valley. 1390 Comment
  SEINET3087326 Image available Silene menziesii Arnold Tiehm 1984-6-30 8840 Modoc NW side of Bidwell Mt. 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  CAS-BOT-BC95277  Silene oregana Leland S. Smith 1918-7-10 982 Modoc Mill Creek. 2133 Comment
  CHSC85184  Sisymbrium altissimum John Dittes; Josephine Guardino 1991-7-21 429 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
  CDA3864  Sisymbrium altissimum T. C. Fuller 1958-7-8 1965 Modoc Corporation Ranch, Likely. 0 Comment
  CHSC42161  Sisyrinchium douglasii C. E. Laver 1986-3-26 Modoc Ca. 11.5 mi ne of Alturas and 1 mi sw of Thoms Creek. 1524 Comment
  CAS-BOT-BC245080  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1994-7-1 6771 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  SEINET3991799  Smilacina amplexicaulis Unknown 1940-5-27 6681 Modoc 15 miles NE of Alutras. 1615 Comment
  CDA39381  Smilacina racemosa var. amplexicaulis T. C. Fuller 1963-6-11 10653 Modoc 3.1 miles north of Blue Lake Guard Station, 14.0 miles southeast of Likely. 0 Comment
  UC3887  Smilacina stellata M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mts.; meadow Comment
  CAS-BOT-BC245433  Solanum physalifolium var. nitidibaccatum E. S. Willits 1939-10-27 172 Modoc School grounds, Willow Ranch. Comment
  CHSC106352  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
  NY820315  Solanum triflorum L. C. Wheeler 1935-9-22 3995 Modoc Pit River at Rattlesnake Butte, Warm Springs Valley 1341 Comment
  SBBG28930  Solanum triflorum F. W. Peirson 1926-6-25 6878 Modoc 0.2 mi E of summit, near Ranch, Cedarville Rd 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
  CAS-BOT-BC54288  Solidago canadensis subsp. elongata Annie Montague Alexander; L. Kellogg 1946-7-12 4985 Modoc Twelve Mile Creek, NE corner of county Comment
  CHSC70719  Solidago elongata A. Sanger 1997-7-9 2641 Modoc Willow Creek at junction toward Tri-tip Meadow. 1499 Comment
  UC672224  Solidago elongata F. H. Frost 1925-7-24 118 Modoc Jess Valley , Jess Valley (Warner Mts.) Comment
  UC748494  Solidago elongata Annie M. Alexander and Louise Kellogg 1946-7-12 4985 Modoc Twelve Mile Creek Twelve Mile Creek (ne cornor Modoc County) 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
  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-BC54290  Sonchus asper subsp. asper Bruce Bartholomew 1993-6-13 6646 Modoc Vicinity of hot spring, ca. 0.6 km NE of Leonard Hot Spring, E side of Surprise Valley. 1430 Comment
  CAS-BOT-BC54292  Sonchus asper subsp. asper Bruce Bartholomew 1994-5-28 6710 Modoc 8.5 km E of Likely on road to Jess Valley along the S Fork of the Pit River. 1620 Comment
  POM312950  Sparganium angustifolium subsp. emersum Verne Grant, Irving Schneider 1947-7-22 8137 Modoc N Fork of Pit River by State Quarantine Station, Hwy 395, N of Alturas. Comment
  UC1537629  Sparganium emersum var. emersum Gordon H. True Jr. 1939-7-21 1020 Modoc n of Canby (Jack Swamp); Jack Swamp Comment
  HSC68799  Spergularia rubra Gary Schoolcraft 1980-7-22 327 Modoc Near Benton Meadows at top of Lake City Canyon 2195 Comment
  UC36601  Sphaeromeria potentilloides var. potentilloides Mrs. C. C. Bruce June 1898 2173 Modoc Alturas Comment
  CAS-BOT-BC15685  Sphenosciadium capitellatum Bruce Bartholomew 1994-8-21 6865 Modoc Squaw Peak Trail, E side of the Warner Mountains. 2240 Comment
  HSC80788  Sphenosciadium capitellatum G. M. Riegel 1980-8-13 1047 Modoc South Warner Mountains 2100 Comment
  UC1714645  Sphenosciadium capitellatum Mrs. M. H. Manning Aug 1903 199 Modoc Mill Canyon Comment
  UC4844  Spiranthes porrifolia Milo S. Baker 1893-8-13 Modoc Comment
  SEINET11587765  Stachys ajugoides Unknown 2016-8-16 7 -8 Modoc Lookout Comment
  CAS-BOT-BC179206  Stachys pilosa B. Bartholomew 1990-8-3 5619 Modoc Sour Creek, 2.3 km NE of West Warner Rd on road to Soup Spring, W side of Warner Mts. 1710 Comment
  HSC1957  Stachys rigida var. rigida M. T. Milligan 1966-6-30 500 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  SEINET5337329  Stellaria longipes M. H. Manning 144 Modoc Near Forb Bidwell Comment
  CAS-BOT-BC95292  Stellaria longipes var. longipes Bruce Bartholomew; Barrett Anderson 1990-7-21 5587 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC95296  Stellaria longipes var. longipes M. M. Hanna 1956-6-7 1020 Modoc Hwy 139, between Canby and Tienesta. Comment
  NY483022  Stellaria umbellata B. M. Bartholomew 1991-8-5 6034 Modoc Squaw Peak Trail on north side of Squaw Peak, east side of Warner Mountains 2420 Comment
  CAS-BOT-BC54254  Stenotus acaulis Bruce Bartholomew 1991-8-5 6068 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  CAS-BOT-BC54296  Stenotus acaulis Leland S. Smith 1917-7-17 83 Modoc Head of Shield Creek. 2133 Comment
  SEINET188113  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles NE of Alturas 1615 Comment
  POM172669  Stephanomeria lactucina Franklin P. Nutting s.n. Modoc Big Valley Mtns. Comment
  CAS-BOT-BC54271  Stephanomeria spinosa Leland S. Smith 1922-7-12 1267 Modoc Canyon below Barber Field, 2 mi. S Menlo. 1676 Comment
  RSA722690  Stephanomeria tenuifolia Richard R. Halse 2006-8-4 6998 Modoc Along Patterson Mill Road, ca 4 miles SW of its jct with Surprise valley Road, E side of the southern Warner Mtns. Modoc National Forest. 2097 Comment
  UC1492719  Streptanthus cordatus Freed W. Hoffman 1957-6-29 4265 Modoc 13.3 mi s Adin Comment
  UC1492722  Streptanthus cordatus Freed W. Hoffman 1955-7-14 4064 Modoc s side of road on roadcut 6 mi e junction of highways 395 and 8A; Modoc National Forest 1524 Comment
  UC69638  Streptanthus cordatus Mrs. M. H. Manning June 1904 389 Modoc open mt. side Ft. Bidwell (ne Modoc Co.) 1706 Comment
  CAS-BOT-BC95058  Streptanthus cordatus var. cordatus Leland S. Smith 1918-6-22 965 Modoc Pine Creek, Lily Lake. 1981 Comment
  CHSC109214  Streptanthus cordatus var. cordatus L. P. Janeway; B. Castro 2012-7-24 10968 Modoc Warner Mountains. Along Forest Road/County road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  CAS-BOT-BC242266  Stuckenia striata Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River at Lookout. Comment
  RSA624459  Suaeda calceoliformis L. C. Wheeler 1935-9-4 3942 Modoc Goose Lake: McGinty Point. 1463 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-BC180110  Swertia albicaulis var. albicaulis Bruce Bartholomew; Barrett Anderson 1989-6-2 4808 Modoc 9.3 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  RSA0025569  Symphoricarpos John F. Emmel 1996-7-16 1440 Modoc Foothills NNE of N end Surprise Valley, W of Cowhead Lake; along County Road 1, ca. 8.5 road mi NE of jct. with County Road 6 at Ft. Bidwell. 1659 Comment
  CAS-BOT-BC245868  Symphoricarpos rotundifolius Mrs. R. M. Austin No date on label. 50 Modoc Hills west of Goose Lake Comment
  CAS-BOT-BC95199  Symphoricarpos rotundifolius var. rotundifolius K. Paulson; Robert Paulson 1989-5-21 125 Modoc Boles Creek on County Road 136. 1438 Comment
  CAS-BOT-BC95203  Symphoricarpos rotundifolius var. rotundifolius Robert Patterson; Mona Bourell 1993-8-15 5251 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC27610  Symphoricarpos rotundifolius var. rotundifolius Robert A. Schlising 1978-7-29 3330 Modoc W slope of Warner Mountains, along trail in Pine Creek Basin. 2255 Comment
  JEPS40835  Symphyotrichum bracteolatum L. S. Smith 1919-8-18 1134 Modoc Ash Valley Comment
  UC71583  Symphyotrichum bracteolatum Mrs. M. H. Manning Modoc north-eastern Modoc County Comment
  UC86874  Symphyotrichum bracteolatum Mrs. R. M. Austin 1894-8-1 239 Modoc Banks of Pitt River Pitt River Comment
  UC71841  Symphyotrichum foliaceum Mrs. M. H. Manning 1903-8-27 478 Modoc Mt. Bidwell, ne Modoc Co Mt. Bidwell Comment
  CAS-BOT-BC15224  Symphyotrichum foliaceum var. parryi Bruce Bartholomew 1990-8-5 5678 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  CAS-BOT-BC15158  Symphyotrichum frondosum E. S. Willits 1939-10-10 165 Modoc Surprise Valley. 1371 Comment
  UCD14408  Symphyotrichum frondosum Sheryl Gill 1996-9-3 s.n. Modoc At the Tule Lake National Wildlife Refuge - 'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump; 'Captain Jack's Stronghold' GS map quad. 1229 Comment
  CAS-BOT-BC232353  Synthyris missurica Bruce Bartholomew; Barrett Anderson 1990-7-20 5494 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC232362  Synthyris missurica Bruce Bartholomew; Barrett Anderson 1988-6-24 4306 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  JEPS29109  Synthyris missurica Lauramay T. Dempster 1961-6-18 1684 Modoc Peak just s of Cedar Pass Comment
  UC1567428  Synthyris missurica G. Schoolcraft et al. Modoc n of Patterson Lake; Warner Mountains 2773 Comment
  JEPS31537  Taraxia subacaulis Mrs. C. C. Bruce June 1898 2803 Modoc Lake City Mt. Comment
  UC190607  Taraxia tanacetifolia M. F. Gilman 639 Modoc 1676 Comment
  RSA34819  Tetradymia canescens Roxana S. Ferris, Laura Lorraine 1941-8-14 10599 Modoc 5 1/2 mi from Patterson Ranger Station on Eagleville Road. Modoc National Forest. Warner Mtns. Comment
  UCD136818  Tetradymia canescens J. M. Tucker 1950-7-25 1970 Modoc Beside highway 139, 26.4 miles southeast of Tule Lake. Comment
  UC449665  Tetradymia canescens M. F. Gilman 618 Modoc mountains 1981 Comment
  CAS-BOT-BC54238  Tetradymia glabrata Bruce Bartholomew 1990-6-17 5291 Modoc Surprise Valley, W side of Lower Alkali Lake, 5.6 km N of Lassen County border. 1370 Comment
  SDSU573  Tetradymia glabrata D. F. Howe 1964-8-2 3927 Modoc 9 miles south of Alturas on #395. 1341 Comment
  CAS-BOT-BC54243  Tetradymia spinosa Bruce Bartholomew 1992-5-15 6294 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E the N end of Middle Alkali Lake. 1460 Comment
  CAS-BOT-BC217127  Thalictrum fendleri Roxana Stinchfield Ferris; R. Duthie 1919-6-3 53 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC217130  Thalictrum fendleri Bruce Bartholomew 1990-8-4 5620 Modoc Trail from the roadhead to Pine Creek Basin, W side of Warner Mts. 2160 Comment
  HSC80768  Thalictrum fendleri G. M. Riegel 1978-7-12 62 Modoc S Warner Mtns. 1670 Comment
  NY746808  Thelypodium howellii var. howellii N. H. Holmgren 1998-5-30 12996 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) east of downtown Cedarville, at a turnoff to some hotsprings 1370 Comment
  CAS-BOT-BC181802  Thermopsis californica var. argentata John H. Hatton 1911-6-15 110 Modoc Modoc County. 1219 Comment
  SEINET7419288  Thermopsis gracilis M. S. Baker 1900-1 s.n. Modoc Near Egg Lake. Comment
  JEPS54048  Thlaspi arvense J. L. Chase Aug 1913 Modoc Adin Comment
  UCD115579  Thlaspi arvense P. B. Kennedy 1917-1 s.n. Modoc Adin. Comment
  UCD32681  Torreyochloa pallida var. pauciflora Beecher Crampton 1954-7-6 2092 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  UCD93226  Torreyochloa pallida var. pauciflora L. S. Smith 1950-8-18 1040 Modoc Warner Mountains. 2682 Comment
  NY643415  Tribulus terrestris B. M. Bartholomew 1989-8-10 5037 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC179200  Trichostema oblongum M. Vasey 1990-6-30 9030 Modoc Near Lava Camp (road end), Egg Lake. 1300 Comment
  SEINET7356249  Trichostema simulatum Margaret J. Williams 1985-8-13 85- 66 -4 Modoc Big Sage Reservoir. N.W. of Alturas.; 0 1524 Comment
  CAS-BOT-BC181787  Trifolium cyathiferum Bruce Bartholomew; Barrett Anderson 1990-7-20 5539 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  CAS-BOT-BC181788  Trifolium cyathiferum Bruce Bartholomew; Barrett Anderson 1988-7-22 4517 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  RSA582429  Trifolium cyathiferum Louis C. Wheeler 3727 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Mts. 2226 Comment
  HSC65608  Trifolium dubium Thomas Wood 1979-8-9 244 Modoc Dirt road along Bidwell Creek, 2.9 mi. NW of junction with Co. Hwy. 2, N of Ft. Bidwell 1509 Comment
  CAS-BOT-BC181746  Trifolium longipes Robert J. Weatherby 1955-7-7 1604 Modoc Dismal Swamp. 2240 Comment
  CAS-BOT-BC181749  Trifolium longipes Bruce Bartholomew 1991-7-4 5901 Modoc Roney Flat. 1460 Comment
  HSC15131  Trifolium longipes M. T. Milligan 1966-6-14 457 Modoc N end of Jess Valley 1616 Comment
  RSA0084065  Trifolium longipes subsp. hansenii John M. Gillett, C. W. Crompton 1966-6-12 13013 Modoc Road to Egg Lake between Lookout and Modoc. Comment
  UC165532  Trifolium longipes var. hansenii Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC181740  Trifolium longipes var. oreganum Bruce Bartholomew; Barrett Anderson 1988-6-24 4305 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CHSC67111  Trifolium macrocephalum James D. Jokerst 1987-5-11 2826 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  HSC71401  Trifolium macrocephalum J. P. Smith, J. O. Sawyer 1972-5-6 5244 Modoc County Rd. 86, just E of Adin. 1098 Comment
  NY717380  Trifolium macrocephalum B. M. Bartholomew 1989-4-28 4650 Modoc 8.8 km north of State Highway 299 on road to Raker and Thomas Reservoir 1470 Comment
  SEINET3145242  Trifolium macrocephalum E. K. Balls 1950-5-10 15960 Modoc Hwy 395, 5.5 mi NE of Alturas, 0.5 mi before junction 1524 Comment
  UCD149866  Trifolium macrocephalum Harry George 1967-6-15 s.n. Modoc Lookout. Comment
  CAS-BOT-BC180170  Trifolium microcephalum Bruce Bartholomew; Barrett Anderson 1988-6-25 4401 Modoc Ryan Canyon, N of Adin. 1390 Comment
  HSC100119  Trifolium repens M. T. Milligan 1966-6-14 457 Modoc N end of Jess Valley 1616 Comment
  HSC15168  Trifolium repens R. C. Wunner 1965-6-13 174 Modoc Indian Well Ranger Station, Lava Beds National Monument 1454 Comment
  NY717614  Trifolium variegatum B. M. Bartholomew 1989-6-1 4727 Modoc Shake Spring, northwest side of Shaffer Mountain 1500 Comment
  CHSC112759  Trifolium wormskioldii Lowell Ahart; John Dittes 2013-7-24 18942 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  CAS-BOT-BC245033  Triglochin concinna var. debilis Herbert Louis Mason; Verne Grant 1947-7-12 13438 Modoc Corporation Ranch Headquarters, N of Likely. Comment
  CAS-BOT-BC451867  Triglochin maritima H. D. Ripley; R. C. Barneby 1944-5-30 5985 Modoc North of Likely 1371 Comment
  SEINET7073587  Triphysaria eriantha A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  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
  CAS-BOT-BC242200  Triteleia hyacinthina Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16462 Modoc 5 mi. W of summit of Fandango Pass. Comment
  UC3275  Triteleia hyacinthina Milo S. Baker 1893-6 Modoc Comment
  POM106012  Urtica dioica subsp. holosericea R. M. Austin 1895-08 183 Modoc Goose Lake Comment
  UC6003  Urtica dioica subsp. holosericea Mrs. R. M. Austin Sept., 1894 Modoc Cedarville Canyon; Northern California, Cedarville Canyon Comment