Search Results — 2000 specimen records retrieved (1528 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC15634  Achillea millefolium John Thomas Howell 1934-6-11 11932 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15675  Achillea millefolium Bruce Bartholomew 1990-6-18 5363 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  JEPS36905  Achillea millefolium W. L. Jepson 1918-8-7 7862 Modoc Mt. Bidwell 2133 Comment
  RSA520361  Achillea millefolium Bruce Bartholomew 1989-7-14 4926 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 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
  CAS-BOT-BC242276  Achnatherum lemmonii Clare Butterworth Hardham 1961-6-18 7552 Modoc E side of Cedar Pass. 1828 Comment
  UC1025048  Achnatherum lemmonii Leo Whitney 1935-8-3 3610 Modoc Buck Creek plot Buck Creek Comment
  UCD50561  Achnatherum lemmonii Beecher Crampton; with Carl Rimbey 1954-7-8 2178 Modoc Peat Meadow; Jess Valley, Warner Mountains, 15 miles east of Likely. Modoc County. Comment
  CAS-BOT-BC242323  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1990-7-20 5463 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  SEINET5585613 Image available Achnatherum lettermanii R. J. Leader, C. S. Leader 1949-1 C- 218 Modoc Badger Wells, 10 miles east of Hackamore Forest Camp on the Canby-Klamath Falls highway 17 miles east of Canby, Modoc National Forest 1585 Comment
  UC711840  Achnatherum occidentale subsp. californicum Roxana S. Ferris and Laura Lorraine 1941-8-13 10533 Modoc East Creek drainage, Patterson Ranger Station Warner Mountains, Modoc National Forest 2164 Comment
  CHSC79429  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2114 Modoc Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UC1025059  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-30 3573 Modoc Devil's Garden Modoc National Forest 1524 Comment
  UC1037149  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-6 3423 Modoc Crank Springs Comment
  CAS-BOT-BC218306  Aconitum columbianum Barrett Anderson 1986-7-10 3198 Modoc West Warner Rd at the North Fork of Pine Creek. 1935 Comment
  CAS-BOT-BC391351  Aconitum columbianum Elmer I. Applegate 1932-8-2 8095 Modoc Mill Creek Meadows, west slope of the Warner Mountains Comment
  HSC1956  Aconitum columbianum subsp. columbianum M. T. Milligan 1966-7-29 599 Modoc Slopes and ridges E of Jess Valley Comment
  NY483098  Aconitum columbianum subsp. columbianum B. M. Bartholomew 1989-8-11 5074 Modoc Along Lassen Creek near southeast side of Harris Flat, Warner Mountains 1920 Comment
  CAS-BOT-BC218315  Actaea rubra Betty J. Hammerly 1941-6-20 29 Modoc Along banks of Clear Lake. S end of Warner Mts. 1767 Comment
  CAS-BOT-BC218316  Actaea rubra K. Paulson; Robert Paulson 1990-7-2 208 Modoc Cave Lake, W side of Warner Mts. 1987 Comment
  CAS-BOT-BC218321  Adonis aestivalis Leland S. Smith 1912-7-1 1513 Modoc Pit River near Ranger Station. Comment
  SJSU6080  Agastache parvifolia J. W. Tilden 1958-6-25 1264 Modoc near Monument Headquarters, Lava Beds National Monument Comment
  CAS-BOT-BC179887  Agastache urticifolia Leland S. Smith 1924-6-20 1421 Modoc Curtis Water Hole. 1310 Comment
  CHSC33987  Agastache urticifolia N. E. H. Prouty; J. D. Prouty 1980-8-1 197 Modoc Modoc National Forest. Opening south of Soup Spring's Campground. 2072 Comment
  UC1191787  Agastache urticifolia Verne Grant and Irving Schneider 1947-7-22 8158 Modoc one mi nw of Highway 395 on dirt road leading to s end Goose Lake (headwaters North Fork Pit River); , s end Goose Lake Comment
  CAS-BOT-BC15602  Ageratina occidentalis Elmer Ivan Applegate 1932-7-1 8216 Modoc Rocky summit, Bidwell Mountain. Comment
  CAS-BOT-BC15645  Ageratina occidentalis Bruce Bartholomew; Barrett Anderson 1988-7-22 4479 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  POM32937  Agoseris aurantiaca Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC23035  Agoseris grandiflora var. grandiflora John Thomas Howell 1934-6-13 12079 A Modoc Fandango Pass, Warner Mts. 1828 Comment
  UC76010  Agoseris heterophylla var. heterophylla Milo S. Baker 1893-1 Modoc Forestdale Comment
  SJSU9681  Agoseris monticola W. Savage 1979-8-22 1577 Modoc Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS36225  Agoseris parviflora W. L. Jepson 1918-8-13 7959 Modoc steep sagebrush hillside Eagle Peak; Warner Mts. 2286 Comment
  CAS-BOT-BC242302  Agropyron cristatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16434 Modoc 4 mi. E of summit of Cedar Pass. Comment
  CAS-BOT-BC242304  Agropyron cristatum Bruce Bartholomew 1990-6-18 5364 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  UC1137135  Agrostis alba August L. Hormay 1932-7-15 Modoc Pease Cabin Modoc National Forest, Pease Cabin Comment
  CAS-BOT-BC242424  Agrostis exarata Bruce Bartholomew; Barrett Anderson 1988-7-23 4597 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  UCD32684  Agrostis exarata Beecher Crampton 1954-7-6 2096 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  CAS-BOT-BC242422  Agrostis pallens Leland S. Smith 1917-7-24 108 Modoc Joseph Creek. 1889 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
  UC70678  Agrostis stolonifera Mrs. M. H. Manning Jun 1903 415 Modoc ne Modoc County Comment
  CHSC112839  Alisma triviale Lowell Ahart; John Dittes 2013-7-24 18923 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  RSA0011494  Alisma triviale Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46969 Modoc North edge of Likely along south fork of Pit River 1357 Comment
  UCD137998  Alisma triviale Herbert L. Mason 1955-8-13 14651 B Modoc southwest side of Goose Lake. Comment
  CAS-BOT-BC245002  Allium acuminatum Margaret J. Williams 1984-6-30 84- 75 -4 Modoc 27.4 mi. N of Cedar Pass road on Hwy 395. 1295 Comment
  CAS-BOT-BC245004  Allium acuminatum Barrett Anderson 1986-7-10 3191 Modoc West Warner Rd N of the North Fork of Pine Creek. 1965 Comment
  CAS-BOT-BC245014  Allium acuminatum Isabelo T. Kelly 1930-1-1 14 Modoc Buck Creek. Comment
  UCSB48716  Allium acuminatum Hardham, Clare 1961-6-18 Modoc East side of Cedar Pass, Warner Mtns Comment
Read comments
Jan 30 2008
  UCD141838  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. Comment
  CAS-BOT-BC244996  Allium bisceptrum var. bisceptrum Isabelo T. Kelly 1930-1-1 13 Modoc Buck Creek. Comment
  CAS-BOT-BC244990  Allium campanulatum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 45 Modoc At edge of Parker Creek. Comment
  SEINET12048096  Allium campanulatum Unknown 1947-1 s.n. Modoc grown at Pullman, WA, 2mi E of Cedar Pass, Warner Mts Comment
  CAS-BOT-BC244984  Allium lemmonii K. Paulson; Robert Paulson 1988-5-22 10 Modoc Devil's Garden. 1539 Comment
  CAS-BOT-BC244978  Allium parvum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6491 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  CAS-BOT-BC244979  Allium parvum Bruce Bartholomew; Barrett Anderson 1989-4-30 4714 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  CAS-BOT-BC244982  Allium parvum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6490 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  CAS-BOT-BC244960  Allium platycaule G. D. Hanna; M. M. Hanna 1956-6-1 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC244965  Allium platycaule Mrs. H. C. Cantelow 1940-6-1 3897 Modoc E of Alturas. Comment
  CAS-BOT-BC244973  Allium platycaule E. H. Steffen 1917-7-10 74 Modoc Bowman Ranch. 1828 Comment
  CHSC63942  Allium platycaule Marion Ownbey; Fred G. Meyer 1940-7-1 2145 Modoc Cedar Peak, Warner Mts. 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
  UC1036004  Allium platycaule Helen K. Sharsmith 1955-6-22 4484 Modoc just n Cedar Pass; Warner Mountains, Modoc National Forest 1889 Comment
  UC1540228  Allium platycaule Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9101 Modoc along Highway 395 about 3.5 mi n n junction with Highway 299 1371 Comment
  UC71674  Allium platycaule Mrs. M. H. Manning 1903-4 59 Modoc near Fort Bidwell 1524 Comment
  SEINET3878872  Allium platycaule D. W. McNeal 1977-6-8 2062 Modoc On a very steep rocky slope above Hwy #395, 3.0 mi N of the jct of Hwy #299 N of Alturas.; 0 Comment
  SEINET198608  Allium siskiyouense Annie M. Alexander, L Kellogg 1946-6-8 4702 Modoc Near 3 mi Ranger Station sign rd from Eagleville to Patterson Mill 2225 Comment
  CHSC67138  Allium tolmiei var. tolmiei James D. Jokerst. 1987-5-11 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1353 Comment
  UC23583  Allophyllum gilioides subsp. gilioides Milo S. Baker 1893-7-8 Modoc Forestdale Comment
  CAS-BOT-BC190743  Allophyllum integrifolium Bruce Bartholomew 1989-8-13 5138 Modoc ca. 3.2 km N of Manzanita Mountain. 1580 Comment
  SJSU9642  Alopecurus geniculatus W. Savage 1979-7-8 1472 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1024851  Alopecurus geniculatus Leo Whitney 1935-6-9 3198 Modoc White Horse lake (Flat) near White Horse Comment
  UC60733  Alopecurus geniculatus M. S. Baker and Frank Nutting 1894-6-25 Modoc Little Hot Spring Valley Comment
  JEPS114845  Alopecurus pratensis Lowell Ahart, John Dittes 2008-6-21 14988 Modoc On dry soil, about 10 yards north of a large culvert, on the large levee mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  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
  RSA554806  Alyssum desertorum Margaret J. Williams 1988-6-2 s.n. Modoc Hwy 395 0.4 mile E of Susanville road after turn to Alturas. [Lassen county] Comment
Read comments
Jun 24 2009
  CDA18404  Alyssum minus subsp. micranthum G. D. Barbe, P. Hiatt & M. Keffer 1980-6-4 2805 Modoc Modoc Plateau; Goose Lake Park, eastern shore of Goose Lake, west of New Pine Creek; end of road at lake's shore. 1426 Comment
  CAS-BOT-BC58604  Alyssum simplex James Vale 1981-5-21 Modoc Alturas. Comment
  SEINET5340079  Alyssum simplex M. J. Williams 1988-5-28 88- 19 -4 Modoc Hwy 395, intersection with Davis Creek road. Comment
  CHSC117368  Amaranthus albus Lowell Ahart; John Dittes 2016-7-14 21182 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
  CHSC117243  Amaranthus californicus Lowell Ahart; John Dittes 2016-7-16 21253 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  UC2048631  Amelanchier C. S. Campbell 2018-5 08026 Modoc Road up Manzanita Mt. Comment
  OBI10235  Amelanchier alnifolia H. E. McMinn 1931-5-23 2454 Modoc Warner Mts Comment
  HSC18538  Amelanchier alnifolia var. semiintegrifolia M. T. Milligan 1967-6-15 656 Modoc E of Jess Valley 1707 Comment
  RSA260414  Amelanchier pallida C. Leo Hitchcock 1940-5-27 6701 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC214633  Amelanchier utahensis A. D. Borden 1911-8-9 s.n. Modoc Mall place, S side of Shield Creek. Comment
  CAS-BOT-BC214638  Amelanchier utahensis Alice Eastwood; John Thomas Howell 1940-6-13 8151 Modoc Fandango Pass. Comment
  CAS-BOT-BC214639  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1988-6-24 4315 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC217085  Amelanchier utahensis Isabelo T. Kelly 1930-1-1 6 Modoc Fort Bidwell Comment
  CAS-BOT-BC217094  Amelanchier utahensis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16415 Modoc Mountainside near summit of Cedar Pass, between Alturas and Cedarville. Comment
  UC914261  Amelanchier utahensis Verne Grant and Alva Grant 1947-7-8 8006 Modoc Cedar Pass; Warner Mts. Comment
  CAS-BOT-BC217092  Amelanchier utahensis John H. Hatton 1911-6-10 31 Modoc Modoc County. 1371 Comment
  UC12099  Amelanchier utahensis Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC54153  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1940-6-13 8161 Modoc Fort Bidwell. Comment
  CAS-BOT-BC54156  Amsinckia menziesii Elmer Ivan Applegate 1929-6-25 5908 Modoc Willow Ranch, Goose Lake. Comment
  JEPS25208  Amsinckia menziesii var. menziesii Frances D. Payne 1931-6-17 184 Modoc Parker Creek s and e of Alturas; Warner Mountains 1584 Comment
  CAS-BOT-BC54165  Amsinckia tessellata var. tessellata Alice Eastwood; John Thomas Howell 1940-6-14 8203 Modoc Near Kelly Hot Spring. Comment
  CDA40462  Amsinckia tessellata var. tessellata T. C. Fuller 1965-6-2 13594 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  UC71689  Anaphalis margaritacea Mrs. M. H. Manning 1903-9-3 373 Modoc John Henry Camp Comment
  CAS-BOT-BC15608  Ancistrocarphus filagineus Bruce Bartholomew; Barrett Anderson 1989-6-2 4801 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  JEPS89500  Ancistrocarphus filagineus Dean Wm. Taylor with Robert A. Price 1988-6-4 9757 Modoc ca. 2.6 mi. S10 degrees e. of Casuse Mt. (Dobie Flat); Modoc Plateau, Tule Lake 15' Quad., Tule Lake Basin, Dobie F 1280 Comment
  CHSC30587  Anemone drummondii P. V. Caldwell 1972-7-13 298 Modoc On the west slope at Patterson Lake in the Warner Mtns. Comment
  HSC81030  Antennaria argentea G. M. Riegel 1978-8-24 709 Modoc South Warner Mountains 1670 Comment
  UC748335  Antennaria argentea Annie M. Alexander and Louise Kellogg 1946-6-17 4785 Modoc Cedar Pass Road 1767 Comment
  RSA59978  Antennaria dimorpha E. K. Balls 1950-5-13 14683 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line. 1463 Comment
  UC134217  Antennaria dimorpha Mrs. R. M. Austin 1885-6-1 Modoc Goose Lake Valley Comment
  UC71587  Antennaria dimorpha Mrs. M. H. Manning 1903-3 75 Modoc near, (north-eastern Modoc County) Fort Bidwell Comment
  UC29492  Antennaria geyeri M. S. Baker and Frank Nutting 1894-1 Modoc Egg Lake Comment
  CAS-BOT-BC15584  Antennaria geyeri Frank Warrington Peirson 1926-7-26 6909 Modoc NW of Canby. Comment
  CAS-BOT-BC15553  Antennaria luzuloides John Thomas Howell 1934-6-12 11992 Modoc 6 mi. S of Davis Creek. 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
  SBBG7569  Antennaria luzuloides H. and M. Dearing 1939-6-9 3635 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  CAS-BOT-BC15598  Antennaria luzuloides John H. Hatton 1911-6-22 143 Modoc Modoc County. 1615 Comment
  UC1302430  Antennaria luzuloides Clare B. Hardham 1961-6-18 7556 Modoc hills 3 mi se Cedar Pass; Warner Mountains Comment
  RSA26467  Antennaria luzuloides subsp. aberrans Alice Eastwood, J. T. Howell 1940-6-11 8010 Modoc 6 miles NE of Adin on road to Canby. Comment
  CHSC66987  Antennaria luzuloides subsp. luzuloides James D. Jokerst 1987-5-11 2822 Modoc Radar Survey site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  CAS-BOT-BC15559  Antennaria rosea subsp. rosea Annie Montague Alexander; L. Kellogg 1946-6-27 4847 Modoc Highgrade, top of ridge 2 mi. by road from Dismal Swamp. 2377 Comment
  CAS-BOT-BC15565  Anthemis cotula Bruce Bartholomew 1990-8-3 5597 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  HSC65544  Anthemis cotula Thomas Wood 1979-8-8 205 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  CHSC99780  Apera interrupta Lowell Ahart; John Dittes 2008-6-21 14995 Modoc On damp soil, along the edge of the dying pond, north of the large culvert, east side of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  CHSC54186  Aphyllon purpureum Vernon H. Oswald 1991-5-28 4630 Modoc North side of parking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north northeast of Bieber. 1264 Comment
  CAS-BOT-BC15689  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-7-3 4903 Modoc Bidwell Creek, near Fort Bidwell. Comment
  HSC65292  Apocynum androsaemifolium J. P. Smith, J. O. Sawyer 1973-8-9 7261 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  SEINET7923499  Apocynum androsaemifolium M. J. Williams 1984-6-30 84- 76 -2 Modoc Warner Mtns., Cedar Pass Road, 1.7 mi W of Cedarville. 1509 Comment
  HSC97872  Apocynum cannabinum Juha Pykala, D. H. Norris 1987-5-27 1175 Modoc Modoc National Forest, N end of Big Sage Reservoir, very near the road from Crowder Flat Rd. to Dead Horse Reservoir 1494 Comment
  SEINET195669  Arabis holboellii var. retrofracta Annie M. Alexander, Louise Kellogg 1946-6-27 4848 Modoc Two miles by road from Dismal Swamp north end of Warner Mountains. 914 Comment
  UC118066  Arabis pycnocarpa var. pycnocarpa Mrs. R. M. Austin Jun 1894 Modoc Willow Creek Valley Comment
Read comments
Nov 11 2011
  UC1010416  Arabis subpinnatifida E. K. Balls 1950-5-14 14691 Modoc 0.2 mi s Modoc National Forest south boundary (trail from Alturas to Thomas Reservoir) 1524 Comment
  HSC98187  Arctostaphylos patula M. T. Milligan 1964-5-9 36 Modoc 10 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  SEINET11987208  Arctostaphylos patula subsp. platyphylla W. Knight, Knight, I. 1981-1 4110 Modoc on White Horse Rd enroute to Egg Lake from Lookout 1250 Comment
  JEPS51491  Arenaria aculeata Frances D. Payne 1931-6-29 281 Modoc Trail from Granger Pass to Mt. Warren; Warner Mountains 2133 Comment
  RSA59527  Arenaria aculeata E. K. Balls 1950-5-20 14812 Modoc Slope south of [Pitt] river; South Fork Public Camp, Likely to Jess Valley. 1433 Comment
  UC29621  Arnica chamissonis Mrs. R. M. Austin and Bruce 1898-6-1 2174 Modoc Lake Annie; ; Lake Annie, Modoc Co. Comment
  UCD149890  Arnica chamissonis Harry A. George 1967-6-15 s.n. Modoc Whitehorse Flat Reservoir. Comment
  SJSU5434  Arnica cordifolia H. L. Buckalew 1961-6-21 Modoc Stough Reservoir, Warner Mts 1981 Comment
  UC71559  Arnica cordifolia Mrs. M. H. Manning 1904-7-1 250 Modoc Mt. Bidwell, (ne Modoc County) Mt. Bidwell Comment
  SEINET6774984 Image available Arnica cordifolia M. J. Williams 1984-6-29 84- 72 -3 Modoc Cave Lake, west side of the Warner Mountains 2134 Comment
  CAS-BOT-BC15282  Arnica longifolia Leland S. Smith 1917-8-3 147 Modoc South Fork Davis Creek. 2042 Comment
  UC71560  Arnica longifolia Mrs. M. H. Manning 1904-8-27 343 Modoc Mt. Bidwell Mt. Bidwell ((ne Modoc County)) Comment
  CAS-BOT-BC15288  Arnica mollis Elmer Ivan Applegate 1932-7-31 7974 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC82765  Arnica mollis Frances Payne 1929-7-12 99 Modoc Upper Silver Creek, Warner Mts. 2499 Comment
  SEINET6775095 Image available Arnica mollis L. Kellogg, A. M. Alexander 1946-7-23 5055 Modoc Emerson Peak, Warner Mountains Comment
  CAS-BOT-BC15294  Arnica nevadensis Robert Patterson; Mona Bourell 1993-8-14 5217 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  JEPS35897  Arnica nevadensis Frances D. Payne 1929-7-26 133 Modoc Warren Peak Warner Mountains, Warren Peak 2743 Comment
  CAS-BOT-BC242408  Arrhenatherum elatius Leland S. Smith 1919-6-2 1112 Modoc Deep Creek Ranger Station. 1493 Comment
  JEPS68450  Arrhenatherum elatius L. S. Smith 1919-6-2 1112 Modoc Warner Mountains, Deep Creek Ranger Station Deep Creek Ranger Station; Warner Mountains, Deep Creek Ranger Station Comment
  CHSC65617  Artemisia arbuscula J. Ingraham 1995-4-10 1 Modoc 1 mi N of Davis Creek on Hwy. 395, 300 yds E of the junction of Co. Rd. 133B and Hwy 395, 100 yds E off Co. Rd. 133B. 1487 Comment
  RSA608612  Artemisia cana L. C. Wheeler 1935-8-30 3931 Modoc Devil's Garden: Lakeshore Reservoir. 1524 Comment
  CHSC67334  Artemisia cana subsp. bolanderi J. D. Jokerst 1986-8-11 2759 Modoc Radar Site Survey S of Doublehead Mtn., S of road to Doublehead Mtn. Comment
  CHSC106183  Artemisia douglasiana Lowell Ahart; John Dittes 2010-8-31 17098 Modoc East side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  SEINET7153139 Image available Artemisia ludoviciana subsp. candicans G. Schoolcraft 1999-7-13 2865 Modoc 3 miles n. of Eagleville, CA Comment
  CAS-BOT-BC15261  Artemisia ludoviciana subsp. incompta Elmer Ivan Applegate 1934-8-1 8044 Modoc E slope of Warren Peak. Comment
  JEPS37011  Artemisia ludoviciana subsp. incompta W. L. Jepson 1918-8-6 7835 Modoc Fandango Pass 1584 Comment
  CAS-BOT-BC93744  Artemisia ludoviciana subsp. incompta L. S. Smith 1032 Modoc Camp One above Lost Lake 2499 Comment
  JEPS18873  Artemisia ludoviciana subsp. incompta Rimo Bacigalupi with L. R. Heckard and Mr. and Mrs. John Mann 1957-8-17 6059 Modoc 1 mi. n Davis Creek P.O. (at edge of ranch of John Mann) 1508 Comment
  CAS-BOT-BC15267  Artemisia ludoviciana subsp. ludoviciana Louis Cutter Wheeler 1935-8-7 3803 Modoc Pine Creek. 1554 Comment
  JEPS114661  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2008-8-25 15278 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC15206  Artemisia tridentata subsp. tridentata Robert Patterson; Mona Bourell 1993-8-15 5245 Modoc South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC15209  Artemisia tridentata subsp. tridentata James D. Jokerst 1983-7-27 1910 Modoc Near Signal Butte. 1340 Comment
  HSC81037  Artemisia tridentata subsp. tridentata G. M. Riegel 1979-7-12 529 Modoc S Warner Mtns. 1739 Comment
  HSC81038  Artemisia tridentata subsp. tridentata G. M. Riegel 1979-7-28 615 Modoc South Warner Mountains 1739 Comment
  CHSC67337  Artemisia tridentata subsp. vaseyana James D. Jokerst 1986-9-18 2771 Modoc Radar Site Survey S of Doublehead Mtn., NE face of Timber Mtn. Comment
  UC105340  Asclepias fascicularis Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  CHSC112830  Asclepias speciosa Lowell Ahart; John Dittes 2013-7-25 18955 Modoc 30 yards south of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CDA7120  Asperugo procumbens T. Briles 1932-6-3 Modoc Alturas. 0 Comment
  RSA210851  Aster ascendens R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39125 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC180154  Astragalus Annie Montague Alexander; L. Kellogg 1946-6-10 4717 Modoc Slope facing Lower Lake, lava bench below Lower and Snake lakes. Comment
  CHSC115560  Astragalus Lowell Ahart; John Dittes 2015-7-15 20342 Modoc About 300 yards northeast of the old barn, on the north side of the overgrown road, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC67103  Astragalus andersonii James D. Jokerst 1987-5-13 2862 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1371 Comment
  HSC71397  Astragalus californicus J. P. Smith, J. O. Sawyer 1972-5-6 5271 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  POM260736  Astragalus curvicarpus Alice Eastwood, John T. Howell 1940-6-11 8024 Modoc 8 miles from Canby on road to Alturas. Comment
  CAS-BOT-BC218212  Astragalus curvicarpus var. curvicarpus Margaret J. Williams 1984-6-29 84- 74 -1 Modoc 4.8 mi. in on Fandango Pass road from Hwy 395. 1524 Comment
  CAS-BOT-BC218214  Astragalus curvicarpus var. curvicarpus E. S. Willits 1940-5-21 285 Modoc Willow Ranch. 1371 Comment
  JEPS120893  Astragalus curvicarpus var. curvicarpus Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18761 Modoc About 300 yards E of Parking Area, E of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  UC71809  Astragalus curvicarpus var. curvicarpus Mrs. M. H. Manning May, 1903 132 Modoc near Mt. Bidwell (north-eastern Modoc County); near Mt. Bidwell Comment
  SEINET7103955  Astragalus curvicarpus var. curvicarpus Margaret J. Williams 1984-6-29 84- 74 -1 Modoc 4.8 mi in on Fandango Pass road from Hwy 395.; 0 1524 Comment
  CAS-BOT-BC182065  Astragalus filipes John Thomas Howell 1934-6-12 11986 Modoc Surprise Station. Comment
  CAS-BOT-BC182066  Astragalus filipes C. L. Hitchcock 1940-5-27 6650 Modoc 9 mi. NE of Alturas. 1402 Comment
  CAS-BOT-BC182073  Astragalus filipes James D. Jokerst 1983-5-31 1805 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC182078  Astragalus filipes Bruce Bartholomew 1992-5-15 6293 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E the N end of Middle Alkali Lake. 1460 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
  UC13365  Astragalus filipes Mrs. R. M. Austin and Bruce June 1898 2208 Modoc Plains Goose Lake Valley Comment
  HSC14513  Astragalus filipes R. C. Wunner 1965-6-26 282 Modoc Lava Beds N. M., .1 mi. from Blue Eyes Point by side of road. Comment
  SEINET948290  Astragalus filipes Barbara Ertter 1988-1 7619 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falss, a few miles N of Agric. Inspection Station, 1 mi. S of Jct to Lava Beds Nat;l Monument E of Tonest; brunchgrass w/ scattered juniper, shallow soil on basalt. 1311 Comment
  POM24786  Astragalus gibbsii R. M. Austin 1895-07 47 Modoc Goose Lake Comment
  CAS-BOT-BC182060  Astragalus inversus Bruce Bartholomew; Barrett Anderson 1988-6-23 4237 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CDA20479  Astragalus lemmonii V. Popescu 2004-5-27 s.n. Modoc Modoc Plateau; Ash Creek State Wildlife Refuge near Adin. 0 Comment
  NY677318  Astragalus obscurus B. M. Bartholomew 1993-5-13 6535 Modoc Just west of Mud Lake on road to West Valley Reservoir 1460 Comment
  SJSU9576  Astragalus obscurus W. Savage 1979-7-3 1330 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC182047  Astragalus obscurus R. M. Austin 1894-6-1 Modoc Banks of Ewing Creek, above Goose Lake. Comment
  NY694124  Astragalus pulsiferae var. coronensis G. Schoolcraft 1981-5-12 385 Modoc South of Alturas near Jones Lane 1402 Comment
  CAS-BOT-BC182030  Astragalus purshii M. M. Hanna 1956-6-5 964 Modoc Cedar Pass Road. Comment
  CAS-BOT-BC182036  Astragalus purshii Leland S. Smith 1919-5-3 1084 Modoc Plateau, road to Jess Valley. 1524 Comment
  JEPS54797  Astragalus purshii var. tinctus Frances D. Payne 1932-6-15 645 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  UC13455  Astragalus purshii var. tinctus Milo S. Baker Jun 5, 1893 - June 8, 1893 Modoc Egg L. Comment
  CAS-BOT-BC181992  Astragalus whitneyi var. lenophyllus M. Vasey 1990-6-29 9023 Modoc Along North Emerson Trail, near pass. South Warner Wilderness. 2377 Comment
  CAS-BOT-BC182013  Astragalus whitneyi var. lenophyllus Alice Eastwood; John Thomas Howell 1940-6-11 8011 Modoc 6 mi. NE of adin on road to Canby. Comment
  CAS-BOT-BC182018  Astragalus whitneyi var. lenophyllus Alice Eastwood; John Thomas Howell 1940-6-11 8011 Modoc 6 mi. NE of adin on road to Canby. Comment
  CAS-BOT-BC182019  Astragalus whitneyi var. lenophyllus Gordon H. True 1964-6-3 1429 Modoc No. Fork Pit River between Alturas and Goose Lake. 1432 Comment
  CAS-BOT-BC182009  Astragalus whitneyi var. lenophyllus R. M. Austin 1894-5-1 Modoc Low hills around Goose Lake. Comment
  JEPS53208  Athysanus pusillus Frances D. Payne 1932-6-10 529 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC1494952  Athysanus pusillus Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81189 Modoc Cedar Summit between Alturas and Cedarville (off Cal. Hwy. 299); Cedar Summit 1889 Comment
  CAS-BOT-BC95505  Atriplex confertifolia Bruce Bartholomew 1989-8-11 5079 Modoc E side of Surprise Valley at Nevada border on State Hwy 299. 1500 Comment
  CHSC112823  Atriplex rosea Lowell Ahart; John Dittes 2013-7-25 18956 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  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
  UC1536810  Azolla filiculoides Gordon H. True Jr. 1939-7-21 1019 Modoc near Canby (Pit River) Comment
  POM350741  Balsamorhiza hookeri Christopher Davidson 1975-6-4 2600 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  SEINET10958200  Balsamorhiza hookeri LeRoy E. Detling 1948-5-24 Detling 6254 Modoc N. Fork Pit River. 1463 Comment
  CAS-BOT-BC15128  Balsamorhiza sagittata Gordon H. True 1964-6-3 1435 Modoc North Fork Pit River between Alturas and Goose Lake. 1432 Comment
  CAS-BOT-BC15136  Balsamorhiza sagittata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 86 Modoc Above Parker Creek. 1981 Comment
  CAS-BOT-BC15198  Balsamorhiza sagittata R. M. Austin 1898-6-1 2161 Modoc Goose Lake Valley Comment
  RSA149085  Balsamorhiza sagittata Dorothy Wiggins 1961-6-15 16502 Modoc 22 miles W of Canby along Hwy 139 Comment
  CAS-BOT-BC15139  Balsamorhiza serrata Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6469 Modoc 1.6 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1600 Comment
  CAS-BOT-BC383142  Balsamorhiza serrata Andrew Townesmith; Karen M. Meyer 2007-9-15 929 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass 1928 Comment
  CAS-BOT-BC58626  Barbarea orthoceras Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10575 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC58629  Barbarea orthoceras Bruce Bartholomew; Barrett Anderson 1989-6-3 4866 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC58632  Barbarea orthoceras Alice Eastwood; John Thomas Howell 1940-6-12 8069 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC58670  Barbarea orthoceras Bruce Bartholomew 1994-7-2 6782 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1930 Comment
  CAS-BOT-BC58671  Barbarea orthoceras Margaret J. Williams; Thad Holcomb; Betty Holcomb; L. Saxton 1988-5-28 80- 21 -1 Modoc Crowser Flat road, W of Alturas. Road leads to Devil's Garden and Big Sage Reservoir and is near Hwy 299. Comment
  JEPS118474  Barbarea orthoceras Lowell Ahart, John Dittes 2011-6-21 17518 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC10252  Barbarea orthoceras Milo S. Baker 1893-6 Modoc collect in Modoc Co. near stream Comment
  CAS-BOT-BC242409  Beckmannia syzigachne John H. Hatton 1911-6-24 160 Modoc unspecified Comment
  RSA210785  Beckmannia syzigachne R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39091 Modoc 3.4 mi N of Alturas where crossed by Hwy 395; N Fork of Pit River. 1067 Comment
  CAS-BOT-BC54184  Berberis aquifolium var. repens Bruce Bartholomew; Barrett Anderson 1988-5-13 4175 Modoc 0.6 km N of Jess Valley on West Warner Road, W side of the Warner Mts.. 1620 Comment
  CHSC118298  Berberis aquifolium var. repens L. P. Janeway 2016-5-18 12059 Modoc Modoc Plateau. Northeast corner of the Devils Garden area; along Road 47N37 0.6 km of Road 73/181/47N09. 1626 Comment
  OBI20535  Berberis aquifolium var. repens H. E. McMinn 1931-5-23 2445 Modoc Fandango Pass, Warner Mts. Comment
  CAS-BOT-BC21486  Berula erecta Elmer Ivan Applegate 1932-8-6 8202 Modoc Spring in desert, W side of Middle Lake. Comment
  UC985674  Berula erecta Verne Grant, Irving Schneider 1947-7-22 8150 Modoc 1 mi nw of Highway 395 (on dirt road leading to s end of Goose Lake, Headwaters of North Fork of Pit River); North Fork Pit River Comment
  JEPS16042  Berula erecta Frank W. Peirson 1926-6-26 6903 Modoc Road from Alturas to Canby Comment
  NY526246  Betula glandulosa A. M. Alexander 1946-6-25 4819 Modoc Dismal Swamp, north end of Warner Mountains 2255.5 Comment
  CAS-BOT-BC54192  Betula occidentalis Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6468 Modoc Along Emerson Creek below Emerson Campground, E side of Warner Mountains. 1600 Comment
  CAS-BOT-BC498654  Betula pumila L. S. Smith 1917-7-29 127 Modoc Modoc Forest: Bald Mt. 2346 Comment
  NY407594  Bistorta bistortoides K. Paulson 1989-7-4 169 Modoc Ca. 1 mile south of Patterson Ranger Station, south end of Warner Mountains. 2121.4 Comment
  UCD98821  Bistorta bistortoides Harry A. George 1967-6-15 s.n. Modoc Egg Lake, Gridley. Comment
  CAS-BOT-BC15112  Blepharipappus scaber Bruce Bartholomew 1990-6-18 5367 Modoc SW side of Goose Lake, 2 km N of McGinty Point. 1420 Comment
  HSC41111  Blepharipappus scaber Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3258 Modoc Modoc National Forest; along Hwy. 299 just N west of Adin Pass 1524 Comment
  POM298280  Blepharipappus scaber D. D. Keck, Jens Clausen 1935-6-24 3711 Modoc 3 miles northeast of Willow Ranch, east of Goose Lake. 1555 Comment
  UCR57489  Blepharipappus scaber R. D. Goeden, Don W. Ricker 1989-8-23 890823- 22 Modoc Warner Mtns., Modoc National Forest, Fandango Pass Rd, near Warner Mtn, west of Pass 1616 Comment
  UC71684  Blepharipappus scaber Mrs. M. H. Manning 1904-8-22 300 Modoc Warner Range 1981 Comment
  CAS-BOT-BC95734  Boechera pauciflora Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2148 Modoc Cedar Peak, Warner Mts. Comment
  UC748370  Boechera pauciflora Annie M. Alexander and Louise Kellogg 1946-6-22 4817 Modoc edge of Bidwell Creek Warner Mountains, Bidwell Creek Comment
  JEPS126550  Boechera pinetorum Lowell Ahart, John Dittes 2016-6-6 20947 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  JEPS53129  Boechera platysperma W. L. Jepson 1918-8-7 7887 Modoc Mt. Bidwell summit Mt. Bidwell 2507 Comment
  UC748072  Boechera platysperma Annie M. Alexander and Louise Kellogg 1946-8-1 5107 Modoc w slope Eagle Peak (below crest of divide); Warner Mountains Comment
  CAS-BOT-BC100300  Boechera puberula Bruce Bartholomew 1992-5-15 6292 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E the N end of Middle Alkali Lake. 1410 Comment
  CAS-BOT-BC58658  Boechera puberula Gordon H. True 1964-6-3 1434 Modoc No. Fork Pit River between Alturas and Goose Lake. 1432 Comment
  CAS-BOT-BC58292  Boechera retrofracta Betty J. Hammerly 1941-6-20 40 Modoc Between Mill Creek Public Camp and Clear Lake. Comment
  CHSC13737  Boechera retrofracta J. Grove 1973-5-1 91 Modoc Collected ca. 5 mi w of Day. 1005 Comment
  UC748378  Boechera retrofracta Annie M. Alexander and Louise Kellogg 1946-6-27 4848 Modoc 2 mi by road from Dismal Swamp (Highgrade, n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  JEPS53089  Boechera retrofracta C. C. Bruce 1898-6-1 2247 a Modoc Goose Lake hills Goose Lake Comment
  CAS-BOT-BC25709  Boechera sparsiflora B. Bartholomew 1990-6-16 5273 Modoc Between roadhead and Pine Creek Basin, west side of Warner Mountains. 2180 Comment
  CAS-BOT-BC410945  Boechera sparsiflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6499 Modoc W side of Timber Mountain on Crowder Flat Road. 1680 Comment
  UC10096  Boechera sparsiflora M. S. Baker and Frank Nutting 1894-6-13 Modoc near Egg Lake Comment
  UC748377  Boechera sparsiflora Annie M. Alexander and Louise Kellogg 1946-6-30 4880 Modoc n end Warner Mountains (w side of ridge, Highgrade); , Highgrade 2377 Comment
  RSA0128826  Boechera sparsiflora E. K. Balls 1950-5-11 14606 Modoc W of Middle Lake. Between Eagleville and Cedarville. 1433 Comment
  UC10097  Boechera sparsiflora Milo S. Baker 1893-6 Modoc Comment
  OBI47984  Boechera subpinnatifida Rhonda Riggins 1989-4-28 1657 Modoc Pencil Rd, 4.1 mi N of hwy 395 E of Alturas. T43N, R12E, sec 24 1402 Comment
  POM46124  Boisduvalia densiflora var. densiflora R. M. Austin 1895-08 153 Modoc Goose Lake Valley Comment
  UC1199880  Botrychium simplex Annie Alexander and Louise Kellogg 1946-8-3 5111 Modoc Eagle Creek, head of Warner Mountains Comment
  CDA10548  Brickellia grandiflora T. C. Fuller 1964-10-8 12699 Modoc Levee road across the south end of Goose Lake, ca. 5 miles west of Davis Creek. 0 Comment
  RSA152613  Briza maxima I. L. Wiggins, Dorothy Wiggins 1961-6-12 16374 Modoc California Highway 299, 5.5 mi. N of Alturas at junction of Cedar Pass road. Comment
  CAS-BOT-BC244947  Brodiaea coronaria subsp. coronaria Bruce Bartholomew 1989-7-14 4945 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  CAS-BOT-BC242403  Bromus briziformis Leland S. Smith 1918-6-14 939 Modoc Buck Creek Ranger Station. 1676 Comment
  JEPS69154  Bromus briziformis Leland S. Smith 1918-6-14 939 Modoc Buck Creek Ranger Station 1524 Comment
  RSA180226  Bromus briziformis Clare B. Hardham 1961-6-18 7520 Modoc Cedar Pass. 1829 Comment
  CAS-BOT-BC242430  Bromus carinatus var. carinatus Leland S. Smith 1917-6-20 47 Modoc Cantrall's Mill. 1828 Comment
  CAS-BOT-BC242435  Bromus carinatus var. carinatus John H. Hatton 1911-6-10 27 Modoc unspecified Comment
  CAS-BOT-BC242436  Bromus carinatus var. carinatus Bruce Bartholomew 1989-7-15 4994 Modoc Sweagert Flat. 1860 Comment
  JEPS69157  Bromus carinatus var. carinatus L. S. Smith 1917-7-24 111 Modoc Warner Mountains, Joseph Creek Joseph Creek; Warner Mountains, Joseph Creek 1981 Comment
  UC1024967  Bromus carinatus var. carinatus Leo Whitney 1935-7-6 3441 Modoc Pit River near Lookout; Pit River Comment
  JEPS69181  Bromus carinatus var. carinatus Leland S. Smith 1917-7-17 84 Modoc Comment
  UCD58469  Bromus commutatus Beecher Crampton 1954-7-6 2088 Modoc Along U. S. Hwy. 395. 4 miles north of Likely. Comment
  CAS-BOT-BC242473  Bromus hordeaceus Bruce Bartholomew 1990-6-17 5321 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  HSC9229  Bromus hordeaceus M. T. Milligan 1965-6-23 308 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC242466  Bromus inermis Leland S. Smith 1924-5-20 s.n. Modoc S side Egg Lake. Comment
  CDA13463  Bromus inermis subsp. inermis G. F. Hrusa, T. D. Wilfred 1996-7-21 13310 Modoc Modoc Plateau; Large colony at edge of riparian willow scrub along Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Perennial 1.5-2 m tall. Comment
  UC1024932  Bromus madritensis subsp. rubens Leo Whitney 1935-6-29 3345 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore, Lake Joaquina); Modoc National Forest, Hackamore, Lake Joaquina 1463 Comment
  RSA152720  Bromus marginatus I. L. Wiggins, Dorothy Wiggins 1961-6-12 16435 Modoc 4 miles E of summit of Cedar Pass, along Cedar Pass road. Comment
  SEINET231888 Image available Bromus racemosus Unknown 1985-6-23 8599 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near highway 139 1311 Comment
  CAS-BOT-BC242460  Bromus suksdorfii Leland S. Smith 1922-7-20 1277 Modoc Rush Creek Ranger Station. 1905 Comment
  CDA1859  Bromus tectorum A. A. Beetle 1941-6-29 2823 Modoc 15 miles east of Alturas, road to Cedarville Pass. Comment
  JEPS69220  Bromus tectorum L. S. Smith 1917-7-24 145 Modoc Warner Mountains, Joseph Creek Joseph Creek; Warner Mountains, Joseph Creek 1706 Comment
  SEINET3923573  Bromus tectorum Leo Whitney 1935-5-26 3155 Modoc Ash Ceek, 10 miles east of Adin.; 0 Comment
  UCD132874  Calocedrus decurrens Richard R. Halse 2006-8-4 6999 Modoc along Highgrade Road ca. 4.4 miles north of Fort Bidwell, north end of the Warner Mountains, east slope. 1765 Comment
  CAS-BOT-BC244935  Calochortus leichtlinii Elmer Ivan Applegate 1932-8-1 8042 Modoc Arid summit of Warner Mts. near and S of Warren Peak. 2438 Comment
  CAS-BOT-BC244936  Calochortus leichtlinii Fred. P. Cronemiller 1920-8-13 22 Modoc Mill Creek Meadow. 2438 Comment
  CHSC2234  Calochortus leichtlinii 1936-6-27 Modoc Likely. 1371 Comment
  CAS-BOT-BC242139  Calochortus macrocarpus Elmer Ivan Applegate 1932-8-4 8149 Modoc Near and above Jess Valley, S fork of Pit River. Comment
  UC725405  Calochortus macrocarpus A. A. Heller 1940-6-29 15747 Modoc about 5 mi w Alturas (on U.S. Highway 299) Comment
  POM275206  Caltha howellii A. M. Alexander, Louise Kellogg 1946-6-26 4829 Modoc Dismal Swamp, N end of Warner Mtns. 2256 Comment
  NY485969  Caltha leptosepala subsp. howellii B. M. Bartholomew 1988-6-24 4327 Modoc Lily Lake, west side of the Warner Mountains. Fort Bidwell 15' Quad. 2130 Comment
  CHSC19692  Calyptridium umbellatum J. Grove 1973-5-20 94 Modoc On Hendrix Ranch, Day Ca. On black lava flow. 1005 Comment
  HSC80775  Calyptridium umbellatum G. M. Riegel 1980-7-22 1098 Modoc S Warner Mtns. 1829 Comment
  UC7767  Calyptridium umbellatum Milo S. Baker 1893-8-5 Modoc Medicine Lake 1828 Comment
  UC196137  Calystegia occidentalis subsp. occidentalis Milo S. Baker 1893-7-20 Modoc Lava beds Comment
  RSA0049638  Calystegia occidentalis var. tomentella Dean Wm. Taylor 2012-6-19 21246 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest 1463 Comment
  UC1036051  Camassia quamash subsp. breviflora Annie M. Alexander and Louise Kellogg 1946-6-14 4752 a Modoc Silver Creek branch of Patterson Mill Road Silver Creek 1828 Comment
  UC421789  Camassia quamash subsp. breviflora Franklin P. Nutting Modoc Forestdale Comment
  POM312923  Camassia quamash subsp. breviflora Malcolm A. Nobs, S. Galen Smith 1949-5-29 773 Modoc 1 mile east of Lake City Comment
  CAS-BOT-BC191128  Camissonia andina Bruce Bartholomew 1993-6-14 6654 Modoc 5.5 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1440 Comment
  CAS-BOT-BC191131  Camissonia andina M. M. Hanna 1956-6-4 951 Modoc Turn off Alturas to Cedarville. Comment
  NY850417  Camissonia andina M. J. Williams 1984-7-1 84- 87 --4 Modoc Northwest of Alturas, Crowder Flat Road, near the Big Sage Reservoir 1372 Comment
  CAS-BOT-BC191114  Camissonia claviformis subsp. cruciformis Bruce Bartholomew 1990-6-17 5315 Modoc Surprise Valley, 6.8 km W of Eagleville. 1390 Comment
  CAS-BOT-BC191112  Camissonia contorta Bruce Bartholomew 1994-5-29 6740 Modoc 7.4 km W of County Road 91 on road to Egg Lake, between Lookout and Lookout Jct. 1260 Comment
  CHSC111414  Camissonia contorta Lowell Ahart; John Dittes 2012-7-12 18355 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  CAS-BOT-BC191104  Camissonia pusilla Bruce Bartholomew 1995-5-13 6912 Modoc 2.7 km NE of County Road 38 on County Road 37, E side of the S end of Surprize Valley. 1410 Comment
  NY852051  Camissonia subacaulis L. C. Wheeler 1935-8-1 3731 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225 Comment
  HSC26008  Camissonia tanacetifolia D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19398 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  NY852080  Camissonia tanacetifolia R. J. Weatherby 1955-7-8 1616 Modoc 7 miles north of Fort Bidwell 1875 Comment
  HSC16516  Camissonia tanacetifolia M. T. Milligan 1964-4-25 Modoc S end of Lower Cummings Reservoir, along base of dam 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
  CAS-BOT-BC58430  Cardamine breweri var. breweri Roxana Stinchfield Ferris; R. Duthie 1919-6-13 46 Modoc Parker Creek near Modoc National Forest Boundary. Comment
  CAS-BOT-BC58431  Cardamine breweri var. breweri Louis Cutter Wheeler 1935-8-16 3864 Modoc Dismal Swamp, Warner Mts. 2225 Comment
  CDA37679  Cardaria draba Robin Breckenridge 2002-7-15 s.n. Modoc Likely; Lynetta Farms. 0 Comment
  CAS-BOT-BC242328  Carex abrupta Robert Patterson; Mona Bourell 1993-8-14 5219 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC242329  Carex abrupta Louis Cutter Wheeler 1935-8-16 3878 Modoc Dismal Swamp. 2225 Comment
  UC1024316  Carex abrupta Annie M. Alexander and Louise Kellogg 1946-6-14 4759 Modoc Patterson Mill road, Silver Creek branch 1828 Comment
  HSC96141  Carex amplifolia Juha Pykala, D. H. Norris 1987-5-27 1015 Modoc Modoc National Forest, Lower Rush Creek Campground, Rush Creek 1427 Comment
  UC1100651  Carex angustata Verne Grant and Irving Schneider 1947-8-29 8352 Modoc Pit River, at bridge by Coal Stone Valley Pit River, Coal Stone Valley Comment
  UCD140121  Carex atherodes Herbert L. Mason; Verne Grant 1947-7-11 13376 Modoc near west side road, South Fork of Pit River, south of Alturas. Comment
  CAS-BOT-BC242374  Carex athrostachya Annie Montague Alexander; L. Kellogg 1946-7-18 5023 Modoc Benton Meadow. 2072 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
  CDA33022  Carex athrostachya T. C. Fuller 1958-7-8 1942 Modoc Likely: Corporation Ranch 0 Comment
  CHSC115609  Carex douglasii Lowell Ahart; John Dittes 2015-7-15 20338 Modoc Aabout 400 yards northeast of the old barn, on the south side of the overgrown road, Ash Creek StatWildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1269 Comment
  JEPS109251  Carex filifolia D. W. Taylor 2007-5-17 20114 Modoc Egg Lake, near western portion of the lake at Duck Hole. Comment
  JEPS63611  Carex filifolia var. erostrata Leland S. Smith 1920-6-2 1160 1/2 Modoc Dismal Swamp, Mt. Bidwell Range 2133 Comment
  RSA364742  Carex heteroneura A. M. Alexander, Louise Kellogg 1946-7-18 5020 Modoc Benton Meadow, Warner Mountains. 2073 Comment
  CAS-BOT-BC242361  Carex jonesii Bruce Bartholomew; Barrett Anderson 1988-7-21 4606 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  POM203051  Carex jonesii J. T. Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  UC1158683  Carex lenticularis var. lipocarpa Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8499 Modoc 15 mi e of Likely (just above Clear Lake, Warner Mountains, along Mill Creek); Warner Mountains, Mill Creek 1828 Comment
  HSC7115  Carex microptera M. T. Milligan 1966-7-3 533 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  HSC48001  Carex multicaulis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19461 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC70018  Carex nebrascensis Mrs. M. H. Manning 1903-5 439 Modoc north-eastern Modoc County Comment
  CDA33120  Carex nebrascensis T. C. Fuller 1961-5-17 6960 Modoc Old lumber mill site, Sugar Hill planting area, Lassen Creek. 0 Comment
  UC1024331  Carex pellita Annie M. Alexander and Louise Kellogg 1946-7-7 4931 Modoc Eight Mile Creek 1752 Comment
  CAS-BOT-BC245155  Carex praegracilis B. Bartholomew; B. Anderson 1989-6-1 4757 Modoc ca. 0.5 km W of Davis Creek on road to W end of Goose Lake 1460 Comment
  UC1024325  Carex raynoldsii Annie M. Alexander and Louise Kellogg 1946-6-30 4884 Modoc Highgrade, w side of ridge n end of Warner Mountains 2377 Comment
  CAS-BOT-BC184099  Carex scopulorum var. bracteosa John H. Hatton 1911-6-13 74 Modoc Modoc National Forest 1463 Comment
  UC1100465  Carex simulata Herbert L. Mason 1947-8-13 13538 a Modoc n Canby (ne side of F reservoir) Comment
  CAS-BOT-BC117016  Carex straminiformis Elmer Ivan Applegate 1932-8-1 8063 Modoc Summit of Warner Mountains just S of Warren Peak. Comment
  HSC75581  Carex straminiformis G. M. Riegel 1979-9-8 762 Modoc S Warner Mtns. 1829 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
  CHSC77253  Carex subfusca G. Schoolcraft 1996-7-23 2543 Modoc E. of Yankee Jim Ranch about 12 mile se of Alturas. 1645 Comment
  UCD140950  Carex utriculata L. S. Smith 1918-8-11 s.n. Modoc Lost Lake trail. 2286 Comment
  CAS-BOT-BC242391  Carex whitneyi Bruce Bartholomew; Barrett Anderson 1988-7-21 4456 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  SBBG30607  Castilleja applegatei D. Myrick 1968-6-20 1971 Modoc Cedar Pass, St Hwy 299, 20 mi E of Alturas 1828 Comment
  CAS-BOT-BC225980  Castilleja applegatei subsp. pinetorum E. S. Willits 1940-5-6 216 Modoc Hillside near Lassen Creek, Willow Ranch. 1371 Comment
  CAS-BOT-BC225985  Castilleja applegatei subsp. pinetorum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 116 Modoc Above Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC225992  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-12 8086 Modoc Jess Valley. Comment
  CAS-BOT-BC225994  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-7-1 12329 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC226001  Castilleja applegatei subsp. pinetorum Bruce Bartholomew 1994-7-2 6780 Modoc 1.8 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1720 Comment
  CAS-BOT-BC229814  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-6-24 4304 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  JEPS26206  Castilleja applegatei subsp. pinetorum John Weiler with Andy P. Nelson 1961-5-28 61227 Modoc Cedar Pass Warner Mts. 1938 Comment
  JEPS3900  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-7-18 5017 Modoc near Benton Meadow; Warner Mountains 2072 Comment
  JEPS86368  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-6-27 952 Modoc ne of Jenkins Springs Comment
  UC1226031  Castilleja applegatei subsp. pinetorum Arthur Cronquist and Arthur H. Holmgren 1959-7-20 8517 Modoc 11 mi ne Alturas (benchland w of Warner Mts) 1554 Comment
  UC1585988  Castilleja applegatei subsp. pinetorum Barbara Ertter 1988-6-18 7644 Modoc n of Adin (on Hwy 299); Adin Summit 1584 Comment
  UC444824  Castilleja applegatei subsp. pinetorum Milo S. Baker Modoc Forestdale Comment
  UC986481  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-18 4797 Modoc Patterson Mill--Silver Creek roads Comment
  SD61015  Castilleja applegatei subsp. pinetorum Darley F. Howe 1964-7-31 Modoc 8.5 mi from entrance to Modoc National Forest; road east of Likely 1615 Comment
  HSC80806  Castilleja arachnoidea G. M. Riegel 1980-8-20 1079 Modoc South Warner Mts. 1829 Comment
  UC1504334  Castilleja arachnoidea J. A. Harpel 1981-8-6 V- 21 Modoc 7 mi nw Eagleville (e end of Patterson Lake); Warner Mountains, South Warner Wilderness Area, Patterson La 2743 Comment
  SJSU9620  Castilleja campestris W. Savage 1979-7-6 1424 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC226020  Castilleja lacera E. S. Willits 1940-5-20 276 Modoc Willow Ranch. Comment
  CAS-BOT-BC226026  Castilleja lacera Clare Butterworth Hardham 1961-6-18 7541 Modoc 3 mi. SE of Cedar Pass. 1828 Comment
  JEPS86371  Castilleja lacera Jack and Betty Guggolz 1988-6-30 969 Modoc near Old Canyon Mill Road Comment
  RSA104155  Castilleja linariifolia Elmer I. Applegate 1929-7-28 6082 Modoc North of Clear Lake. Comment
  UC1051442  Castilleja linariifolia Herbert L. Mason 1955-8-14 14654 Modoc sw side Goose Lake (at Fletcher's Place) Comment
  UC199383  Castilleja linariifolia Milo S. Baker 1898-8-1 528 Modoc near Johnson's; Big Valley Comment
  UC444866  Castilleja miniata Milo S. Baker Aug 1898 523 Modoc Forestdale Comment
  UC26460  Castilleja miniata Mrs. R. M. Austin and Bruce Jul 1898 2242 Modoc Goose Lake mts. Comment
  CAS-BOT-BC226062  Castilleja pilosa Bruce Bartholomew 1993-6-14 6661 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC226064  Castilleja pilosa Elmer Ivan Applegate 1932-8-5 s.n. Modoc Arid S slope of Cedar Mountain, Cedar Pass. 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
  JEPS90547  Castilleja pilosa Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9110 Modoc Upper South Deep Creek Warner Mountains (headwaters) 2194 Comment
  CAS-BOT-BC226080  Castilleja tenuis Clare Butterworth Hardham 1974-8-4 20181 Modoc Headwaters of Dismal and 12 Mile creeks, Warner Mountains 2133 Comment
  UC748084  Castilleja tenuis Annie M. Alexander and Louise Kellogg 1946-7-7 4929 Modoc Eight Mile Creek; ne corner of Modoc County 1752 Comment
  CAS-BOT-BC32730  Ceanothus X flexilis Milo Samuel Baker 1893-6-30 s.n. Modoc unspecified 1371 Comment
  UC452542  Ceanothus X rugosus Franklin P. Nutting Modoc w side Egg Lake Lava Beds, w side Egg Lake Comment
  UCD111734  Ceanothus cuneatus Milo S. Baker 1893-7-1 s.n. Modoc Modoc County. 1371 Comment
  UCR87510  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles NW of Canby along Calif. Hwy 139 1280 Comment
  UC452545  Ceanothus velutinus Franklin P. Nutting Modoc Forestdale Forestdale (Northern California) Comment
  UC931944  Ceanothus velutinus Verne Grant, Alva Grant 1947-7-11 8011 Modoc below Cedar Pass; n-facing slopes of Warner Mts., below Cedar Pass Comment
  UC2043249  Centaurea cyanus Barbara Ertter 1995-7-1 14460 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  CDA7216  Centaurea diffusa J. Moreo 1991-8-28 Modoc Willow Ranch Mill site. 0 Comment
  CAS-BOT-BC180117  Centaurium muehlenbergii Bruce Bartholomew 1991-8-4 6007 Modoc Kelly Draw, Round Valley, 2 km E of Hwy 299 on County Road 86. 1310 Comment
  CAS-BOT-BC181985  Cercis occidentalis Bruce Bartholomew; Barrett Anderson 1988-6-23 4228 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UC72966  Cercocarpus betuloides var. macrourus Milo S. Baker July 1898 533 Modoc Forestdale Comment
  SEINET10543173  Cercocarpus ledifolius LeRoy E. Detling 1948-5-23 Detling 6247 Modoc Plum ridge, near canby, t43n,r7e,sec.8, mdm. Yellow pine forest. Pinus Ponderosa, p. Jeffreyi, juniperus occidentalis, arctostaphylos patula. Level Plateau, rocky red clay-loam 1524 Comment
  CAS-BOT-BC197540  Cercocarpus ledifolius var. ledifolius F. Angwin 1946-4-21 s.n. Modoc Stone Coal Canyon, 12 mi. NE of Adin. 1280 Comment
  UC859417  Cercocarpus ledifolius var. ledifolius Lewis S. Rose 1940-6-13 40553 Modoc Fandango Pass 1905 Comment
  CAS-BOT-BC15063  Chaenactis douglasii var. douglasii John Thomas Howell 1934-7-1 12311 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC15069  Chaenactis douglasii var. douglasii David Daniels Keck; J. Clausen 1935-6-24 3716 Modoc 1 mi. N of Buck's Ranger Station, 8 mi. south of New Pine Creek 1524 Comment
  JEPS34150  Chaenactis douglasii var. douglasii W. L. Jepson 1918-8-6 7844 Modoc Surprise Valley 1447 Comment
  CAS-BOT-BC15055  Chaenactis douglasii var. douglasii Amos Arthur Heller 1938-6-24 15221 Modoc Between Alturas and Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC141743  Chamaebatiaria millefolium L. S. Smith 1918-8-7 1012 Modoc Black Knob, Camp One T38-16 2438 Comment
  JEPS9109  Chamaesaracha nana W. L. Jepson 1918-8-7 7854 Modoc Mt. Bidwell 1798 Comment
  UC26092  Chamaesaracha nana Mrs. R. M. Austin and Bruce Jun 1898 2152 Modoc Lake City Pass Comment
  RSA312310  Chamaesyce serpillifolia H. L. Mason, Verne Grant, C. T. Mason 1947-7-10 13325 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CHSC117245  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2016-7-16 21257 Modoc Strand of the second pond, south of Ash creek Canal (now filled in) south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC166012  Chamerion angustifolium subsp. circumvagum Annie M. Alexander; Louise Kellogg 1946-7-3 4904 Modoc Near Fort Bidwell, south slope. Bidwell Creek, Canyon Comment
  CHSC106201  Chenopodium desiccatum Lowell Ahart; John Dittes 2010-8-31 17111 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
Read comments
Jul 20 2019
  SJSU9628  Chenopodium fremontii W. Savage 1979-7-7 1446 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1499 Comment
  RSA531330  Chenopodium fremontii Bruce Bartholomew, B. Anderson 1990-7-20 5455 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  SJSU9593  Chenopodium leptophyllum W. Savage 1979-7-5 1359 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC95531  Chenopodium pratericola Bruce Bartholomew 1989-7-14 4958 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  NY537268  Chenopodium pumilio L. C. Wheeler 1935-8-3 3758 Modoc Rock Lake, Pine Creek, Warner Mountains 1920.2 Comment
  CAS-BOT-BC95662  Chimaphila menziesii Annie Montague Alexander; L. Kellogg 1946-7-24 5063 Modoc Bear Camp Flat. Comment
  UC70347  Chimaphila menziesii Milo S. Baker July 1898 535 Modoc Forestdale Comment
  SEINET7220233  Chimaphila menziesii M. S. Baker 1896-5-15 66 Modoc Forestdale Comment
  SEINET2149924  Chimaphila umbellata var. occidentalis K. T. Harper 1974-1 136 Modoc Pine Creek, west slope of Warner Mountains. 2195 Comment
  UC52605  Chorizanthe polygonoides var. polygonoides M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  RSA520499  Chrysolepis sempervirens Bruce Bartholomew 1989-7-15 4984 Modoc 7 km from State Hwy 299 on road to Manzanita Mountain. 1830 Comment
  SEINET5926447 Image available Chrysothamnus nauseosus var. speciosus E. K. Balls, P. C. Everett 1952-1 18152 Modoc Off rd to Fandango Pass, 2 I SE of Buck's Creek Ranger Station Comment
  CAS-BOT-BC14985  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1936-9-22 11058 Modoc Fleeners Chimneys, Lava Beds National Monument. Comment
  CAS-BOT-BC14990  Chrysothamnus viscidiflorus subsp. viscidiflorus Loran C. Anderson 1958-8-24 1614 Modoc Cedar Pass Campground, in Warren Mountains, 8 miles west of Cedarville Comment
  CAS-BOT-BC15000  Chrysothamnus viscidiflorus subsp. viscidiflorus P. Monnet 1913-8-1 941 Modoc Near Alturas. 1402 Comment
  HSC81019  Chrysothamnus viscidiflorus subsp. viscidiflorus G. M. Riegel 1980-8-9 1022 Modoc S Warner Mtns. 1739 Comment
  UC71576  Chrysothamnus viscidiflorus subsp. viscidiflorus Mrs. M. H. Manning 1902-10-1 27 Modoc near Fort Bidwell (ne Modoc county) Comment
  CHSC115567  Cichorium intybus Lowell Ahart; John Dittes 2015-7-15 20344 Modoc On the east side of Elkins Lane, about 100 yards northeast of 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
  UC1400383  Cicuta douglasii R. F. Thorne and C. W. Tilforth 1969-9-5 39160 Modoc Modoc National Forest, Warner Mountains, Clear Lake Clear Lake; Modoc National Forest, Warner Mountains, Clear Lake 1767 Comment
  JEPS15744  Cicuta maculata var. angustifolia W. L. Jepson 1918-8-9 7921 Modoc Fort Bidwell 1432 Comment
  NY850374  Circaea alpina subsp. pacifica B. M. Bartholomew 1988-7-21 4439 Modoc Above Upper Rush Creek Campground ca. 4 km east of State Highway 299 between Adin and Canby 1580 Comment
  JEPS123862  Cirsium arvense Lowell Ahart, John Dittes 2015-7-16 20384 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CDA1061  Cirsium arvense T. C. Fuller 1959-7-8 2746 -B Modoc Grainfield, 1.5 mi. South of Tulelake. 0 Comment
  UCD130540  Cirsium arvense T. C. Fuller 1959-7-8 2746 Modoc 1.5 miles south of Tulelake. Comment
  CDA15027  Cirsium cymosum B. Villegas 1998-8-19 s.n. Modoc Cascade Range; Nr. New Pine Creek, 3.6 mi. E of Fandango Pass on Hwy 395. Comment
  CAS-BOT-BC14973  Cirsium douglasii var. breweri Herbert Louis Mason 1947-8-11 13500 Modoc Hwy 81, N of Modoc-Lassen County line. Comment
  CAS-BOT-BC14927  Cirsium occidentale var. candidissimum K. Paulson; Robert Paulson 1988-7-13 80 Modoc Juniper Flat, Jess Valley. 1402 Comment
  RSA0070699  Cirsium occidentale var. candidissimum R. F. Thorne, C. W. Tilforth 1969-9-5 39183 Modoc 3.3 miles N of Likely. 1357 Comment
  RSA0070700  Cirsium occidentale var. candidissimum Milo S. Baker 1893-7-25 s.n. Modoc Lava beds. Comment
  CDA31791  Cirsium ochrocentrum K. Haas 2007-2-6 PDR# 1402971 Modoc County Rd 1, Cedarville 0 Comment
  CDA15028  Cirsium ochrocentrum var. ochrocentrum B. Villegas, Len Smith 1998-8-19 s.n. Modoc Modoc Plateau; Alturas at intersection of Pencil & Woodchuck Rds. Comment
  CDA1509  Cirsium ochrocentrum var. ochrocentrum G. D. Barbe 1982-7-13 3885 Modoc NE of Alturas, 0.5 mi. N of Hwy 395 at Woodrich & Pencil Rds. 0 Comment
  UC748332  Cirsium scariosum var. americanum Annie M. Alexander and Louise Kellogg 1946-6-14 4765 Modoc Silver Creek branch Patterson Mill road 1828 Comment
  CAS-BOT-BC14943  Cirsium vulgare Bruce Bartholomew 1989-8-10 5036 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  UC1192198  Cirsium vulgare Verne Grant and Irving Schneider 1947-8-27 8320 Modoc sw end Clear Lake Comment
  UC930761  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 mi n Alturas (near Surprise) 1402 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
  HSC75592  Clarkia lassenensis G. M. Riegel 1980-7-23 934 Modoc S Warner Mtns. 2100 Comment
  UC422848  Clarkia lassenensis Franklin P. Nutting Modoc Forestdale Comment
  CAS-BOT-BC191056  Clarkia lassenensis P. Monnet 1913-7-7 936 Modoc Warner's Range. Comment
  UC422855  Clarkia lassenensis M. F. Gilman 555 Modoc 1676 Comment
  CAS-BOT-BC191041  Clarkia rhomboidea John Thomas Howell 1934-6-13 12048 Modoc Fandango Pass. 1828 Comment
  HSC80901  Clarkia rhomboidea G. M. Riegel 1980-7-23 934 Modoc S Warner Mtns. 1670 Comment
  RSA41240  Clarkia rhomboidea A. M. Alexander, Louise Kellogg 1946-6-28 4863 Modoc Pine Creek Canyon, north end of Warner Mountains 1616 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
  JEPS101050  Claytonia megarhiza Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10463 Modoc Warner Mountains, steep northeast face Eagle Peak 2880 Comment
  CAS-BOT-BC197441  Claytonia parviflora subsp. parviflora Bruce Bartholomew 1994-5-14 6679 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  JEPS43325  Claytonia parviflora subsp. parviflora Mary H. Manning before Aug. 1918 Modoc Comment
  JEPS43369  Claytonia perfoliata subsp. intermontana Frances D. Payne 1931-6-17 176 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  HSC80772  Claytonia rubra subsp. rubra G. M. Riegel 1980-8-9 1025 Modoc S Warner Mtns. 1670 Comment
  UC71832  Claytonia rubra subsp. rubra Mrs. M. H. Manning Apr 1903 74 Modoc near Fort Bidwell (ne Modoc County) Comment
  HSC17710  Claytonia rubra subsp. rubra M. T. Milligan 1965-6-27 352 Modoc E slope of eroded volcanic plateau. 1677 Comment
  CAS-BOT-BC226085  Collinsia parviflora Elmer Ivan Applegate 1932-8-2 8085 Modoc Mill Creek Meadow, western slope of Warner Mts. Comment
  CAS-BOT-BC226092  Collinsia parviflora Milo Samuel Baker; Franklin P. Nutting 1894-6-4 s.n. Modoc Little Hot Spring Valley. Comment
  CAS-BOT-BC229857  Collinsia parviflora F. Angwin 1946-4-6 s.n. Modoc Yowell Ranch, Adin. 1371 Comment
  CHSC117864  Collinsia parviflora L. P. Janeway 2016-5-16 11981 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 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
  JEPS6207  Collinsia parviflora J. T. Howell 1934-6-14 12135 Modoc Lost Lake; Warner Mtns Comment
  JEPS6223  Collinsia parviflora M. F. Gilman 633 Modoc near Ft. Bidwell Comment
  CAS-BOT-BC229872  Collinsia torreyi Bruce Bartholomew 1993-6-12 6596 Modoc Above the road to Day Rock from Little Hot Spring Valley. 1260 Comment
  CAS-BOT-BC229874  Collinsia torreyi Leland S. Smith 1924-6-8 1369 Modoc Timber E of Egg Lake. 1310 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
  CHSC19725  Collomia grandiflora J. Grove 1973-6-8 95 Modoc Collected on Widow Vly Rd. 1 mi south of Day. 1005 Comment
  SBBG103157  Collomia grandiflora D. H. Wilken with D. M. Smith 1971-7-2 10115 Modoc Adin Pass along St Hwy 299 1576 Comment
  JEPS71055  Collomia linearis Frances D. Payne 1929-7-6 44 Modoc s and e Alturas (dry meadow); Warner Mountains, Parker Creek 1584 Comment
  UCR186867  Collomia tenella Glenn L. Clifton 2007-7-16 46426 Modoc Warner Mtns, South Fork Pine Creek 2172 Comment
Read comments
Jan 18 2008
  CAS-BOT-BC190717  Collomia tinctoria Bruce Bartholomew; Barrett Anderson 1988-5-12 4133 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  UC1587087  Collomia tinctoria G. Schoolcraft 1991-6-19 2167 Modoc steep slope about 2 mi w Canby 1432 Comment
  UC748266  Collomia tinctoria Annie M. Alexander and Louise Kellogg 1946-6-28 4864 Modoc Pine Creek Canyon Warner Mts. (n end of mountains) Comment
  CAS-BOT-BC225783  Comandra umbellata subsp. californica Bruce Bartholomew 1993-6-12 6592 Modoc Top of ridge directly above Day Rock. 1380 Comment
  CAS-BOT-BC214801  Comarum palustre Robert Folger Thorne; C. W. Tilforth 1969-9-5 39162 Modoc Clear Lake, Warner Mts. Modoc National Forest 1767 Comment
  UC429103  Corallorhiza striata Franklin P. Nutting Modoc near Whitehorse Lake Comment
  HSC100159  Cornus sericea J. P. Smith, & J. O. Sawyer 2011-8-14 13374 Modoc Along Jesse Valley Road, just E of the bridge over the Pit River. 1372 Comment
  UC1122815  Cornus sericea subsp. sericea R. C. Wilson 1933-6-25 52 Modoc Rush Creek Modoc Nat'l Forest, Canby Quad., Rush Creek Comment
  UC1280731  Cornus sericea subsp. sericea H. E. McMinn 1931-5-23 2457 Modoc Warner Mts., Cedarville Rd. Comment
  CHSC100512  Crataegus castlegarensis Lowell Ahart; John Dittes 2008-8-26 15334 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CAS-BOT-BC197567  Crataegus douglasii Belknap C. Goldsmith 1910-5-9 5 Modoc Fandango Creek, W slopes Warner Mts. 1584 Comment
  CAS-BOT-BC14949  Crepis acuminata K. Paulson 1989-7-2 164 Modoc Happy Camp Lookout. 1850 Comment
  CAS-BOT-BC14911  Crepis acuminata Leland S. Smith 1924-6-29 1429 Modoc unspecified Comment
  CAS-BOT-BC290349  Crepis acuminata Elmer I. Applegate 1935-6-2 9289 Modoc Lava Beds National Monument. Canby Cross Comment
  RSA163735  Crepis acuminata Clare B. Hardham 1961-6-18 7801 Modoc Lava Flows along north fork Pitt River 3.3 miles south of Cedar Pass Road 1372 Comment
  CAS-BOT-BC14917  Crepis bakeri subsp. cusickii Bruce Bartholomew 1991-6-21 5793 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC14920  Crepis bakeri subsp. cusickii K. Paulson; Robert Paulson 1988-6-11 31 Modoc N of Stough Reservoir, Warner Mts.. 2011 Comment
  CAS-BOT-BC14883  Crepis modocensis Clare Butterworth Hardham 1961-6-18 7583 Modoc Mts. S of summit of Cedar Pass. Comment
  JEPS89244  Crepis modocensis Lauramay T. Dempster 1961-6-18 1683 Modoc peak just s Cedar Pass Comment
  CHSC70465  Crepis occidentalis A. Sanger 1997-6-3 2481 Modoc Along Mowitz Rd, at Boles Cr. crossing. Upland above creek. 1463 Comment
  POM220919  Crepis occidentalis D. D. Keck, J. Clausen 1935-6-24 3713 Modoc 3 mile NE of Willow Ranch. 1471 Comment
  UC748135  Crepis occidentalis subsp. conjuncta Annie M. Alexander and Louise Kellogg 1946-7-18 5016 Modoc near Benton Meadow; Warner Mountains 2072 Comment
  CAS-BOT-BC14889  Crepis occidentalis subsp. pumila Ernest Brown Babcock; George Ledyard Stebbins 1936-6-8 1795 Modoc Alturas. 1371 Comment
  CDA35638  Crepis occidentalis subsp. pumila J. R. Keck Jr., Pfeiffer 1985-6-6 PDR# 237690 Modoc On USFS Road 56, west of Lookout-Hackamore Road. 0 Comment
  SEINET5357775  Cressa truxillensis L. C. Wheeler 1935-9-4 3951 Modoc Goose Lake, McGinty Point 1463 Comment
  CAS-BOT-BC14834  Crocidium multicaule Bruce Bartholomew 1991-5-25 5749 Modoc Ca. 1 km W of Tionesta. 1320 Comment
  CAS-BOT-BC14875  Crocidium multicaule William Albert Weber; Lewis Samuel Rose 1953-5-22 8451 Modoc 7 mi. E of Alturas on road to Cedarville. 1371 Comment
  RSA59490  Crocidium multicaule E. K. Balls 1950-5-17 14729 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  UC1278995  Crocidium multicaule Arthur Cronquist 1963-5-14 9855 Modoc 9 mi from Alturas (on gentle slope leading up to the w base of the Warner Mts. near Cedar Pass, between Cedarville and Alturas) 1493 Comment
  SEINET5343801 Image available Crupina vulgaris G. Schoolcraft 1993-6-17 2297 Modoc NE of Adin on S. side of Hunter Ridge 1646 Comment
  CHSC100393  Crypsis alopecuroides Lowell Ahart; John Dittes 2008-8-25 15289 Modoc Near the waters edge, on the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  JEPS121229  Crypsis alopecuroides Lowell Ahart, John Dittes 2013-7-24 18932 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  UC589921  Crypsis vaginiflora Leo Whitney 1935-7-21 3563 Modoc Stone Coal Valley Pitt River Comment
  CAS-BOT-BC54133  Cryptantha ambigua John Thomas Howell 1934-6-30 12297 Modoc Duncan Horse Camp. 1355 Comment
  SEINET5512247  Cryptantha ambigua J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  CAS-BOT-BC54136  Cryptantha circumscissa Bruce Bartholomew 1991-6-22 5833 Modoc E slope of S end of Warner Mountains, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  CAS-BOT-BC54139  Cryptantha circumscissa Bruce Bartholomew; Barrett Anderson 1989-6-2 4829 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  NY1154582  Cryptantha circumscissa B. M. Bartholomew 1991-5-24 5703 Modoc Surprise Valley, 6.6 km east of Eagleville 1390 Comment
  UC24650  Cryptantha intermedia M. S. Baker and Frank Nutting 1894-6-29 Modoc near Lookout; Big Valley Comment
  UC748450  Cryptantha intermedia Annie M. Alexander and Louise Kellogg 1946-6-10 4713 Modoc above Snake Lake Comment
  CAS-BOT-BC54112  Cryptantha simulans Alice Eastwood; John Thomas Howell 1940-6-14 8236 Modoc Near Hackamore. Comment
  CAS-BOT-BC54118  Cryptantha sobolifera Robert Patterson; Mona Bourell 1993-8-15 5259 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC80865  Cryptantha subretusa G. M. Riegel 1980-8-20 Modoc S Warner Mtns. 2780 Comment
  CAS-BOT-BC54122  Cryptantha torreyana John Thomas Howell 1934-6-13 12044 Modoc Fandango Pass, Warner Mountains 1828 Comment
  NY16597  Cupressus bakeri G. Schoolcraft 1981-9-1 573 Modoc West of Day 1066.8 Comment
  UC1222085  Cupressus bakeri C. O. Stone 1963-12-26 276 Modoc approximately 1 mi s Gassaway Reservoir; Quadrangle 16C2 1109 Comment
  CDA5588  Cuscuta approximata Goss 1932-10-3 Modoc 0 Comment
  POM182428  Cuscuta indecora Milo S. Baker 1899-8-16 249 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC498763  Cynoglossum occidentale L. S. Smith 1910-6-1 1110 Modoc Modoc Forest, Deep Creek R.S. above pasture 1524 Comment
  CAS-BOT-BC242181  Cypripedium montanum Bruce Bartholomew; Barrett Anderson 1988-6-24 4331 Modoc Field redacted by CAS, contact the data manager for more information 2130 Comment
  SBBG18746  Cystopteris fragilis C. B. Hardham 1961-6-19 7845 Modoc Willow Crk Comment
  HSC533  Dactylis glomerata M. T. Milligan 1964-7-1 106 Modoc 6.0 mi. E of Canby on Modoc County Rd. 54 1372 Comment
  CHSC71892  Damasonium californicum Vernon H. Oswald; Lowell Ahart 1998-9-8 9596 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  UC1536802  Damasonium californicum Gordon H. True Jr. 1930-6-25 1014 Modoc Boles Meadow n.w. of Alturas Comment
  CAS-BOT-BC242495  Danthonia californica Leland S. Smith 1920-7-13 1178 Modoc Modoc National Forest - Grizzley's 1432 Comment
  UCD60463  Danthonia californica L. Whitney 1935-7-7 3401 Modoc Howard Gulch. Comment
  CAS-BOT-BC242490  Danthonia unispicata Bruce Bartholomew 1991-6-21 5818 Modoc N side of Mud Lake, 5.3 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CDA31648  Danthonia unispicata A. A. Beetle 1941-6-29 2834 Modoc Near summit of Mt. Adin 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-BC214752  Dasiphora fruticosa Bruce Bartholomew 1991-8-5 6073 Modoc Summit Trail, NW side of Squaw Peak, W side of Warner Mts. 2480 Comment
  CAS-BOT-BC214754  Dasiphora fruticosa Annie Montague Alexander; L. Kellogg 1946-8-9 5141 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC217340  Delphinium andersonii Elmer Ivan Applegate 1897-5-30 887 Modoc Tule Lake, near Carr Ranch. Comment
  CAS-BOT-BC217345  Delphinium depauperatum Mrs. H. C. Cantelow 1940-6-1 4262 Modoc Cedar Pass, Warner Mountains 1935 Comment
  CAS-BOT-BC498677  Delphinium depauperatum Ira L. Wiggins; Dorothy B. Wiggins 1961-6-14 16491 Modoc Warner Mts., 2.5 mi from Hwy 395, 2 mi NW of Fenner Flat Comment
  NY487636  Delphinium depauperatum B. M. Bartholomew 1988-6-24 4308 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains. Fort Bidwell 15' Quad. 2130 Comment
  UC1037209  Delphinium nudicaule Leo Whitney 1934-4-29 1569 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  UC854143  Delphinium nuttallianum C. L. Hitchcock 1940-5-27 6705 Modoc 15 mi ne Alturas (hillside in canyon) 1676 Comment
  RSA398670  Delphinium nuttallianum Christopher Davidson 1973-5-26 2148 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  JEPS23388  Delphinium stachydeum L. S. Smith 1918-7-13 992 Modoc Nevada Range <to?> Mill Cr. Range; Eagle Pk. 2133 Comment
  CAS-BOT-BC242482  Deschampsia cespitosa subsp. cespitosa Elmer Ivan Applegate 1932-8-2 8073 Modoc Mill Creek Meadows. Comment
  CAS-BOT-BC242484  Deschampsia cespitosa subsp. cespitosa Bruce Bartholomew; Barrett Anderson 1988-7-22 4544 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC242478  Deschampsia danthonioides Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake Ranch near S end. Comment
  CAS-BOT-BC247774  Deschampsia danthonioides Bruce Bartholomew; Barrett Anderson 1990-7-19 5443 Modoc Sweagert Flat. 1860 Comment
  JEPS118339  Deschampsia danthonioides Lowell Ahart, John Dittes 2011-6-22 17550 Modoc On the west side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  UCD63293  Deschampsia elongata Carl W. Rimbey 1954-7-6 Modoc Along Shields Creek, Warner Mountains, 20 miles east of Alturas. Comment
  CAS-BOT-BC58623  Descurainia incisa C. L. Hitchcock 1940-5-27 6713 Modoc 15 mi. NW of Alturas. 1676 Comment
  HSC6719  Descurainia incisa subsp. incisa M. T. Milligan 1964-7-25 189 Modoc Pine Creek Basin, along trail. 2439 Comment
  HSC81065  Descurainia incisa subsp. incisa G. M. Riegel 1979-7-5 501 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC58616  Descurainia pinnata subsp. glabra John H. Hatton 1911-6-22 153 Modoc Huffman Ranch. Comment
  CAS-BOT-BC58437  Descurainia sophia F. Angwin 1946-4-14 Modoc Hillside near Alturas. Comment
  CAS-BOT-BC58442  Descurainia sophia E. S. Willits 1940-5-17 268 Modoc Willow Ranch. Comment
  RSA520437  Dicentra uniflora Bruce Bartholomew, M. Bourell 1990-4-28 5205 Modoc Top of Hunters Ridge south of Rush Creek 1960 Comment
  CAS-BOT-BC242115  Dichelostemma multiflorum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 68 Modoc Near Parker Creek, 15 mi. from Alturas. Comment
  CAS-BOT-BC242116  Dichelostemma multiflorum Bruce Bartholomew; Barrett Anderson 1989-6-1 4732 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC242121  Dichelostemma multiflorum Bruce Bartholomew 1994-5-14 6681 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  CHSC70482  Dichelostemma multiflorum A. Sanger 1997-6-24 2545 Modoc Across the road west of McKay Flat in CALO exclosure. 1450 Comment
  CAS-BOT-BC49463  Dieteria canescens var. shastensis Elmer Ivan Applegate 1923-3-17 3341 Modoc Dry Lake, SE of Tule Lake. Comment
  CAS-BOT-BC49469  Dieteria canescens var. shastensis Leland S. Smith 1919-8-8 1141 Modoc Hilton Dairy. 1493 Comment
  CAS-BOT-BC14845  Dimeresia howellii James Vale; Keith Wagnon; Walter Knight; Irja Knight 1981-5-21 4127 Modoc Near Cedar Mountain, about one mile from Stowe Reservoir Road which begins at Hwy. 299, just east of Cedar pass summit 2133 Comment
  CHSC75454  Dimeresia howellii V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9763 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  CAS-BOT-BC234487  Diplacus nanus Alice Eastwood; John Thomas Howell 1940-6-15 8277 Modoc Near Perez. Comment
  OBI49257  Diplacus nanus Lewis S. Rose 1940-6-15 40588 Modoc Perez 1311 Comment
  CAS-BOT-BC234442  Diplacus tricolor Bruce Bartholomew 1991-7-6 5965 Modoc 2.4 km W of County Road 91 Forest Service road 42N03. 1340 Comment
  HSC7537  Dipsacus fullonum M. T. Milligan 1964-8-8 223 Modoc 200 yards S of Pine Creek Blvd. on Hwy. 395 1372 Comment
  SJSU9645  Distichlis spicata W. Savage 1979-7-8 1476 Modoc Triangle, Fairchild Swamp Unit (NW corner), Devils Garden District 1493 Comment
  UCD64185  Distichlis spicata R. Tofsrud 1947-7-1 232 Modoc E of Cedarville, on Middle Alkali Lake bed. Comment
  CAS-BOT-BC218288  Dodecatheon alpinum Bruce Bartholomew; Barrett Anderson 1988-7-23 4567 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC218289  Dodecatheon alpinum Bruce Bartholomew 1991-8-5 6033 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC218291  Dodecatheon alpinum Bruce Bartholomew 1991-6-21 5808 Modoc Vicinity of Cave Lake, N end of the Warner Mountains. 2030 Comment
  CHSC70476  Dodecatheon alpinum A. Sanger 1997-6-22 2534 Modoc North Fitzhugh Creek where the road to the spring dead-ends. 2048 Comment
  RSA534709  Dodecatheon alpinum subsp. majus Bruce Bartholomew 1991-8-5 6033 Modoc Squaw Co. Squae Peak Trail on N side of Squaw Peak, E side of Warner Mts. Seepage area. 2420 Comment
  HSC24628  Dodecatheon conjugens Leo D. Whitney 1935-5-19 3108 Modoc Edge of Hackamore River, near Hackamore Comment
  JEPS14685  Dodecatheon conjugens Frances D. Payne 1932-5-27 407 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek, s and e of Alturas 1584 Comment
  UC71815  Dodecatheon conjugens Mrs. M. H. Manning 1903-4 85 Modoc Mt. Bidwell and vicinity Mt. Bidwell and vicinity (ne Modoc County) Comment
  POM76690  Dodecatheon conjugens R. M. Austin 1895-04 560 Modoc Goose Lake Valley. Comment
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Sep 5 2010
  CAS-BOT-BC218272  Dodecatheon conjugens var. conjugens E. H. Steffen 1917-5-21 5 Modoc West Valley camp. 1524 Comment
  CAS-BOT-BC218274  Dodecatheon conjugens var. conjugens C. C. (Mrs.) Bruce 1898-6-1 2302 Modoc Lake City Mts. Comment
  CAS-BOT-BC218283  Dodecatheon conjugens var. conjugens C. C. (Mrs.) Bruce 1899-5-1 560 Modoc Goose Lake. Comment
  SEINET195708 Image available Dodecatheon conjugens var. conjugens Annie M. Alexander, Louise Kellogg 1946-6-8 4695 Modoc Road from Ealville to Patterson Mill. Comment
  CAS-BOT-BC218300  Dodecatheon pulchellum Bruce Bartholomew 1995-6-3 6952 Modoc 5.1 km W of Goose Lake on Forest Service Road 73 between Goose Lake and Crowder Flat Road. 1580 Comment
  CHSC112046  Downingia bacigalupii Lowell Ahart; John Dittes 2012-7-11 18334 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) northweat of Bieber, Big Valley. 1266 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
  CHSC14087  Downingia bacigalupii K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5827 Modoc Dry vernal pool on e side of railroad tracks, on n side of Whitehorse-Lookout Road. Comment
  JEPS119656  Downingia bacigalupii Lowell Ahart, John Dittes 2012-7-10 18322 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS108446  Downingia bacigalupii Lisa Schultheis 1996-6-28 310 -96 Modoc Along E side of route 139, 18.1 mi S of Tionesta Rd. turnoff to Lava Beds. Comment
  SBBG125476  Downingia bacigalupii L. Ahart, J. Dittes 2012-7-11 18334 Modoc N edge of a meadow, ca. 1/8 mi E of the parking area on E side of Elkins Lane, Ash Crk State Wildlife Area, ca. 4 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1266 Comment
  SJSU9531  Downingia bacigalupii W. Savage 1979-6-20 1268 Modoc 100 yards E of Boles Meadow, Triangle, Boles Meadow Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC95131  Downingia bicornuta var. bicornuta Bruce Bartholomew 1991-7-5 5954 Modoc 0.8 km N of State Hwy 139 on Forest Service road 46. 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
  HSC26587  Downingia elegans D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19396 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CAS-BOT-BC95137  Downingia insignis Rimo Carlo Felice Bacigalupi; G. Smith 1957-6-28 5988 Modoc Along railroad, 0.8 mi. E of Canby. 1219 Comment
  JEPS108490  Downingia insignis Lisa Schultheis 1996-6-29 312 -96 Modoc W of Goose Lake. On County Rd. 73 towards Crowder Flat. About 4.2 mi from Rt. 299 Comment
  CAS-BOT-BC58300  Draba albertina Annie Montague Alexander; L. Kellogg 1946-8-3 5112 Modoc Head of Eagle Creek, Warner Mts. Comment
  HSC68843  Draba albertina Gary Schoolcraft 1980-7-22 328 Modoc Near Benton Meadows at top of Lake City Canyon 2195 Comment
  UC748492  Draba albertina Annie M. Alexander and Louise Kellogg 1946-7-25 4823 Modoc n end Warner Mts (Dismal Swamp); n end Warner Mountains, Dismal Swamp 2255 Comment
  UC1553370  Draba densifolia Sch/Yor/Hor/Ach 1988-7-16 1829 Modoc ca 1.5 mi n Squaw Peak; Warner Mtns., n of Squaw Peak 2316 Comment
  CAS-BOT-BC58588  Draba verna Bruce Bartholomew; Barrett Anderson 1988-5-12 4101 Modoc White Horse. 1340 Comment
  UC545668  Drymocallis glandulosa var. glandulosa Louis C. Wheeler 1935-8-8 3810 Modoc North Fork Bidwell Creek Warner Mts., North Fork Bidwell Creek 2377 Comment
  JEPS47208  Drymocallis glandulosa var. reflexa Frances D. Payne 1931-6-21 221 Modoc at base of cliffs on ridge w Dry Creek (s and e of Alturas, tributary of Parker Creek); Warner Mountains, Parker Creek, ridge w of Dry Creek 1981 Comment
  UC12533  Drymocallis lactea Milo S. Baker 1893-6-28 Modoc Comment
  UC1593358  Dryopteris expansa Alan Smith with Chris Richards, C. Don MacNeill, and Gary Hathaway 1992-6-5 2533 Modoc Fern Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  CAS-BOT-BC14808  Eatonella nivea Bruce Bartholomew 1991-5-24 5722 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  CHSC112825  Elatine Lowell Ahart; John Dittes 2013-7-24 18919 A Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CHSC116187  Elatine Lowell Ahart; John Dittes 2015-7-15 20350 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS123976  Elatine Lowell Ahart, John Dittes 2015-7-15 20351 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS121235  Elatine californica Lowell Ahart, John Dittes 2013-7-24 18918 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
  CHSC117015  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 of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC99258  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
  JEPS127160  Elatine rubella Lowell Ahart, John Dittes 2016-7-16 21246 Modoc South of 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
  JEPS121186  Eleocharis acicularis Lowell Ahart, John Dittes 2013-7-25 18967 Modoc W of the road crossing, about 50 yards W of 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
  POM172483  Eleocharis bella Franklin P. Nutting 1894-8-20 s.n. Modoc Forestdale [sw Modoc Co; 160 acres of woodland & meadow, owned by M. S. Baker family, 12 mi w of Lookout, a small village on Pit river; = Baker Place of Modoc National Forest map (1941)., Adjacent to Taylor Mt (original location of Forestdale) (Jepson Herbarium Place Name Index)] 1372 Comment
  CAS-BOT-BC242383  Eleocharis bolanderi Mrs. H. C. Cantelow 1941-5-23 3634 Modoc Hwy 299 just E of Adin Pass Summit. 1576 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
  CAS-BOT-BC242388  Eleocharis macrostachya Jepson, W. L. 1918-8-14 7988 Modoc Jess Valley. Comment
  JEPS19419  Eleocharis macrostachya W. L. Jepson 1918-8-14 7988 Modoc Jess Valley 1584 Comment
  CHSC115569  Eleocharis obtusa Lowell Ahart; John Dittes 2015-7-15 20355 Modoc On the east side of Elkins Lane, about 200 yards northeast 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) norheast of Bieber, Big Valley. 1266 Comment
  RSA577894  Elodea canadensis L. C. Wheeler 1935-9-29 4011 Modoc Two miles south of Alturas 1357 Comment
  RSA129559  Elyhordeum macounii Leo D. Whitney 1935-7-13 3492 Modoc Alturas Comment
  RSA603669  Elymus X hansenii L. C. Wheeler 1935-8-4 3779 Modoc Warner Mts., Dry Lake, Pine Creek 2104 Comment
  HSC8729  Elymus X saxicola M. T. Milligan 1966-7-7 567 Modoc East of Jess Valley. 1677 Comment
  UC1137030  Elymus X saxicola August L. Hormay 1932-7-18 Modoc 2 mi s Badger Well Springs Comment
  CAS-BOT-BC497217  Elymus caput-medusae Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -6 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  SJSU5206  Elymus elymoides H. L. Buckalew 1961-7-2 Modoc Stowe Reservoir 1 mi N of Cedar Pass on Alturas-Cedarville Road, Warner Mts 1920 Comment
  CAS-BOT-BC247761  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-8-5 5662 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2300 Comment
  JEPS75402  Elymus elymoides subsp. elymoides Frances D. Payne 1932-7-3 594 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CHSC34510  Elymus elymoides subsp. hordeoides J. D. Prouty 1980-8-9 1149 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  CHSC112389  Elymus elymoides var. californicus L. P. Janeway; B. Castro 2014-6-3 11317 Modoc Great Basin. Top of knoll between the lower end of Long Canyon and the lower end of Poison Springs Canyon, overlooking north end of Surprise Valley. Comment
  HSC10950  Elymus elymoides var. elymoides R. C. Wunner 1965-6-22 250 Modoc Lava Beds N. M., 1/2 mi. N of Canby Cross. 1220 Comment
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Aug 20 2013
  JEPS121216  Elymus repens Lowell Ahart, John Dittes 2013-7-24 18934 Modoc South bank of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  SJSU9603  Elymus spicatus W. Savage 1979-7-5 1377 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS114843  Elymus trachycaulus subsp. subsecundus Lowell Ahart, John Dittes 2008-6-21 15014 Modoc On the south side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber 1264 Comment
  CAS-BOT-BC247723  Elymus trachycaulus subsp. trachycaulus Ernest Christian Twisselmann 1966-9-22 6576 Modoc Ridge at the SE end of Long Valley. 2042 Comment
  CAS-BOT-BC247728  Elymus trachycaulus subsp. trachycaulus Bruce Bartholomew; Barrett Anderson 1990-7-21 5574 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC247729  Elymus trachycaulus subsp. trachycaulus Bruce Bartholomew 1989-8-11 5100 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  HSC8762  Elymus trachycaulus subsp. trachycaulus M. T. Milligan 1966-7-3 547 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC217287  Enemion stipitatum Bruce Bartholomew 1993-4-3 6411 Modoc Just S of Adin Pass on State Hwy 299. 1600 Comment
  HSC65613  Epilobium brachycarpum Thomas Wood 1979-8-10 249 Modoc About 1 mi. S of Ft. Bidwell along Co. Hwy. 1, where road turns W 1372 Comment
  SD135586  Epilobium brachycarpum B. Bartholomew, B. Anderson 1990-7-21 5589 Modoc Bear Flat, West side of Warner Mountains Ranger Station, East side of Warner Mountains. 1830 Comment
  UC20097  Epilobium brachycarpum Milo S. Baker 1925-6-25 Modoc nr. Egg Lake Comment
  UC1191618  Epilobium campestre Verne Grant and Irving Schneider 1947-7-29 8177 Modoc s Alturas; Payne Reservoir Comment
  UC1191621  Epilobium campestre Herbert L. Mason 1947-8-13 13519 Modoc n Canby (ne side of F reservoir); F reservoir Comment
  CAS-BOT-BC190997  Epilobium ciliatum subsp. ciliatum Leland S. Smith 1922-7-24 1313 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  SJSU9614  Epilobium ciliatum subsp. ciliatum W. Savage 1979-7-6 1411 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest Comment
  UC71846  Epilobium ciliatum subsp. glandulosum Mrs. M. H. Manning 1903-6-8 Modoc Mt. Bidwell 1524 Comment
  CHSC96170  Epilobium glaberrimum subsp. fastigiatum R. Fischer 2006-9-9 881 Modoc Collection from the Warner Wilderness within the Warner Mountains, ca. 1 mile south of Patterson Lake along the Summit Trail, near the junction of Pine Creek Basin Trail. 2743 Comment
  CAS-BOT-BC190967  Epilobium hallianum Annie Montague Alexander; L. Kellogg 1946-6-30 4873 Modoc Highgrade, W side of ridge. 2377 Comment
  HSC30118  Epilobium hallianum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19511 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  RSA27905  Epilobium hornemannii subsp. hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC190945  Epilobium obcordatum Bruce Bartholomew 1995-7-31 7080 Modoc 2.4 km from Forest Service road 46N30 on road towards Bald Mountain, E side of the Warner Mts. 2150 Comment
  CAS-BOT-BC190951  Epilobium obcordatum Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2157 Modoc Near cummit of Cedar Peak, Warner Mts. Comment
  RSA8241  Epilobium obcordatum Elmer I. Applegate 1932-8-1 8011 Modoc Northerly slope of Warren Peak, Warner Mountains. Comment
  CAS-BOT-BC190940  Epilobium pallidum Bruce Bartholomew 1991-7-4 5898 Modoc S end of Higgins Flat. 1370 Comment
  UC19961  Epilobium pallidum Mrs. R. M. Austin and Bruce June 1898 426 Modoc Goose Lake Comment
  CAS-BOT-BC190871  Epilobium pygmaeum Clare Butterworth Hardham 1974-8-6 20176 Modoc Cedar Pass. 1935 Comment
  NY1000519  Epilobium pygmaeum L. C. Wheeler 1935-8-18 3894 Modoc 2 miles northeast of Alturas 1356 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-BC190864  Epilobium torreyi Clare Butterworth Hardham 1974-8-4 20183 Modoc Headwaters of Dismal and 12 Mile creeks. 2133 Comment
  RSA768064  Eragrostis pectinacea var. pectinacea L. Ahart, John Dittes 2010-8-31 17092 Modoc West side of Walters Road, 4235 ft south of Modoc County Line, about 4.3 air miles south-southwest of Adin, about 7 air miles northeast of Bieber, Big Valley 1277 Comment
  CAS-BOT-BC95488  Eremogone aculeata Bruce Bartholomew; Barrett Anderson 1988-5-13 4151 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  CAS-BOT-BC95460  Eremogone congesta Gregg M. Riegel 1980-7-28 949 Modoc unspecified 2415 Comment
  CAS-BOT-BC95461  Eremogone congesta Alice Eastwood; John Thomas Howell 1940-6-11 8017 Modoc SW of Canby. Comment
  RSA0057715  Eremogone congesta F. W. Peirson 1926-6-26 6908 Modoc Modoc National Forest NW of Canby. Comment
  RSA0057648  Eremogone congesta var. suffrutescens Clare B. Hardham 1961-6-17 7531 Modoc Lava flows between Alturas and Susanville. 1524 Comment
  JEPS32963  Ericameria bloomeri W. L. Jepson 1918-8-13 7963 Modoc Eagle Peak Warner Mts., Eagle Peak 2682 Comment
  RSA608600  Ericameria bloomeri L. C. Wheeler 1935-9-9 3960 Modoc Devils Garden: 1 mile NE of South Mountain 1524 Comment
  UC485526  Ericameria bloomeri Franklin P. Nutting Modoc Forestdale Comment
  UC69640  Ericameria bloomeri Mrs. M. H. Manning 480 Modoc Joseph Creek Basin, ne Modoc County Joseph Creek Basin Comment
  CAS-BOT-BC14778  Ericameria discoidea Francis Dorris Payne 1932-7-21 727 Modoc Mt. Warren, Warner Mts. Comment
  SEINET195635  Ericameria discoidea var. discoidea Annie M. Alexander, Louise Kellogg 1946-8-1 5104 Modoc Eagle Peak Warner Mountains crest of divide 3019 Comment
  CHSC106341  Ericameria nauseosa var. oreophila Lowell Ahart; John Dittes 2010-8-30 17052 Modoc About 3 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  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
  JEPS21525  Ericameria nauseosa var. oreophila W. L. Jepson 1918-8-10 7930 Modoc near Alturas 1371 Comment
  UCD131477  Ericameria nauseosa var. oreophila K. M. Meyer; A. Townesmith 2007-9-16 212 Modoc Modoc National Forest, going E on Highway 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  JEPS5952  Ericameria nauseosa var. speciosa Frances D. Payne 1931-9-18 341 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1281347  Ericameria nauseosa var. speciosa H. E. McMinn 1931-5-23 2478 Modoc Warren Mts., Fandango Pass Comment
  CAS-BOT-BC42832  Erigeron austiniae Alice Eastwood; John Thomas Howell 1940-6-12 8103 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC42840  Erigeron austiniae Bruce Bartholomew 1993-6-14 6650 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  CAS-BOT-BC42841  Erigeron austiniae Fred D. Douthitt 1916-5-11 14 Modoc Juniper Flats near West Valley. 1524 Comment
  CAS-BOT-BC42838  Erigeron austiniae Mrs. H. C. Cantelow 1935-6-8 s.n. Modoc S of Marlin. Comment
  CDA4406  Erigeron austiniae T. C. Fuller 1965-6-2 13595 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  RSA74773  Erigeron barbellulatus Elroy Robinson 1936-7-20 b 115 Modoc Along trail bet Mono Hot Springs and Mono Meadow. 2134 Comment
  CAS-BOT-BC42804  Erigeron bloomeri var. bloomeri Alice Eastwood; John Thomas Howell 1940-6-12 8104 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC42813  Erigeron bloomeri var. bloomeri Roxana S. Ferris; Rena P. Duthie 1919-6-14 67 Modoc Above Parker Creek, at Modoc National Forest boundary Comment
  CAS-BOT-BC42847  Erigeron bloomeri var. bloomeri R. M. Austin 1894-6-1 s.n. Modoc Lava beds W of Willow Creek. Comment
  UC748383  Erigeron bloomeri var. bloomeri Annie M. Alexander and Louise Kellogg 1946-8-9 5143 Modoc on rocky slope of Squaw Peak; Warner Mountains, Patterson Lake Trail, Squaw Peak Comment
  CHSC100360  Erigeron canadensis Lowell Ahart; John Dittes 2008-8-25 15318 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  UC31421  Erigeron chrysopsidis var. austiniae Mrs. R. M. Austin 1894-5-1 Modoc Comment
  UC895684  Erigeron chrysopsidis var. austiniae Lewis S. Rose 1940-6-12 40542 Modoc 9 mi ne Alturas; Cedar Pass Rd 152 Comment
  CAS-BOT-BC42816  Erigeron compositus Annie M. Alexander; Louise Kellogg 1946-8-1 5103 Modoc Eagle Peak, Warner Mountains 3011 Comment
  CAS-BOT-BC42819  Erigeron coulteri Annie M. Alexander; Louise Kellogg 1946-8-3 5109 Modoc Head of Eagle Creek, Warner Mountains Comment
  UC31460  Erigeron divergens M. S. Baker and Frank Nutting 1894-1 Modoc Comment
  CAS-BOT-BC42763  Erigeron eatonii var. plantagineus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2144 Modoc N slope Cedar Peak, Warner Mountains Comment
  POM261455  Erigeron eatonii var. plantagineus Alice Eastwood, John Thomas Howell 1940-6-15 8286 Modoc About 15 miles N of Lookout Comment
  SBBG22132  Erigeron eatonii var. plantagineus C. B. Hardham 1961-6-18 7573 Modoc mtns S of Cedar Pass 1981 Comment
  UC31521  Erigeron eatonii var. plantagineus Mrs. R. M. Austin and Bruce July 1898 2311 Modoc Lake shore Comment
  UC444441  Erigeron eatonii var. plantagineus Mrs. R. M. Austin and Mrs. Bruce July 1898 2311 Modoc Lake Shore Comment
  CAS-BOT-BC42766  Erigeron elegantulus John Thomas Howell 1934-6-30 12261 Modoc Duncan Horse Camp. 1355 Comment
  HSC28533  Erigeron elegantulus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19366 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC42774  Erigeron filifolius John Thomas Howell 1934-6-13 12099 Modoc Patterson Mill Road, Warner Mountains 1676 Comment
  JEPS5925  Erigeron glacialis var. glacialis Frances D. Payne 1931-6-25 263 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  UC748367  Erigeron glacialis var. glacialis Annie M. Alexander and Louise Kellogg 1946-7-2 4897 Modoc Dismal Swamp, n end of Warner Mountains; , Dismal Swamp 2255 Comment
  JEPS41396  Erigeron glacialis var. glacialis L. S. Smith 1918-6-22 944 Modoc High Grade District, in meadow of Lily Lake Modoc Forest, Lily Lake, High Grade District 2133 Comment
  CAS-BOT-BC49634  Erigeron inornatus var. inornatus Annie Montague Alexander; L. Kellogg 1946-8-9 5148 Modoc Patterson Lake Trail, Warner Mts. Comment
  HSC5563  Erigeron inornatus var. inornatus M. T. Milligan 1966-7-26 583 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  CAS-BOT-BC49602  Erigeron linearis Elmer Ivan Applegate 1929-6-24 5891 Modoc Betweeen Alturas and Davis Creek. Comment
  CAS-BOT-BC49608  Erigeron linearis Francis Dorris Payne 1929-6-19 10 Modoc Parker Creek, Warner Mtns. 1584 Comment
  CAS-BOT-BC49645  Erigeron linearis Fred D. Douthitt 1916-5-11 13 Modoc Juniper Flats, Modoc N.F. 1524 Comment
  UC190610  Erigeron linearis M. F. Gilman 667 Modoc Comment
  UC190624  Erigeron linearis M. F. Gilman 607 Modoc Comment
  CAS-BOT-BC49584  Erigeron pumilus subsp. intermedius Mrs. H. C. Cantelow 1935-6-8 863 Modoc unspecified Comment
  SJSU9650  Erigeron pumilus var. intermedius W. Savage 1979-7-8 1485 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC1561068  Erigeron tener Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10444 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains, Emerson Creek drainage 2560 Comment
  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-BC197819  Eriogonum elatum Bruce Bartholomew; Barrett Anderson 1988-7-23 4557 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CAS-BOT-BC197822  Eriogonum elatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5472 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CHSC109516  Eriogonum elatum var. elatum L. P. Janeway; B. Castro 2012-7-25 10994 Modoc Warner Mountains. Low broad ridge 1.1 km east of Dismal Swamp. 2250 Comment
  RSA531327  Eriogonum elatum var. elatum Bruce Bartholomew, B. Anderson 1990-7-20 5472 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  CAS-BOT-BC197808  Eriogonum heracleoides var. heracleoides Elmer Ivan Applegate 1932-8-1 8006 Modoc Warner Mts. S of Warren Peak. Comment
  CAS-BOT-BC197813  Eriogonum heracleoides var. heracleoides Elmer Ivan Applegate 1932-8-5 8177 Modoc Arid summit of Cedar Mountain, Warner Mts. Comment
  CAS-BOT-BC197818  Eriogonum heracleoides var. heracleoides Robert Patterson; Mona Bourell 1993-8-15 5238 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC17278  Eriogonum heracleoides var. heracleoides M. T. Milligan 1966-8-3 633 Modoc West slope of Eagle Peak. 2439 Comment
  UC1250296  Eriogonum heracleoides var. heracleoides Annie M. Alexander and Louise Kellogg 1946-7-14 5070 Modoc Emerson Peak Warner Mountains, Horse Mountain, Emerson Peak Comment
  CAS-BOT-BC197803  Eriogonum microthecum var. laxiflorum B. Clear 1945-8-10 Modoc Newell fire tower. Comment
  LA206945  Eriogonum nudum var. oblongifolium O. H. Kappler; 1949-7-26 s.n. Modoc Adin Pass. Along Route 299 1523 Comment
  CAS-BOT-BC211401  Eriogonum nudum var. pubiflorum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10574 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CHSC92254  Eriogonum nudum var. pubiflorum Richard R. Halse 2004-7-22 6671 Modoc Along U.S. Hwy. 395, ca. 6 miles north of Alturas, on roadside cut. 1341 Comment
  HSC17331  Eriogonum nudum var. pubiflorum M. T. Milligan 1964-7-25 195 Modoc Jess Valley 1.0mi N of S Fork Pit River on Clear Lake Rd. 1677 Comment
  RSA614431  Eriogonum nudum var. pubiflorum R. R. Halse 1991-7-28 4244 Modoc Along State Highway 139, 13 miles NW of its junction with State Highway 299 1469 Comment
  RSA66348  Eriogonum nudum var. pubiflorum F. W. Peirson 1926-6-25 6862 Modoc West slope of Warner Mountains on Cedarville Road. Comment
  SEINET11261515  Eriogonum nudum var. pubiflorum James L. Reveal, Mark L. Reveal 1975-8-14 3947 Modoc Along California Highway 139-299. 1.2 miles southeast of Adin Summit, about 10.5 miles north of Adin and about 31.5 miles southwest of Alturas.; 0 Comment
  UC412793  Eriogonum nudum var. pubiflorum M. F. Gilman 574 Modoc 1676 Comment
  CAS-BOT-BC211398  Eriogonum ovalifolium var. ovalifolium Bruce Bartholomew; Barrett Anderson 1989-6-2 4828 Modoc 9.7 km E of Eagleville at the California state border, E side of Surprise Valley. 1550 Comment
  NY283098  Eriogonum sphaerocephalum M. J. Williams 1983-9-13 83153- 2 Modoc 1.6 miles beyond campground on Stowe Reservoir road, north of Cedar Pass road, Warner Mountains. 2011.7 Comment
  UCD32702  Eriogonum sphaerocephalum Beecher Crampton 1954-7-6 2122 Modoc Modoc County, 6 miles east of Alturas, along road 56, Collis Ranch. Comment
  UCR163911  Eriogonum sphaerocephalum Jim Andre 1993-6-30 1414 B Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC211381  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew; Barrett Anderson 1990-7-19 5393 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC211393  Eriogonum sphaerocephalum var. halimioides Francis Dorris Payne 1931-6-21 209 Modoc Ridge SW of Dry Creek. 1981 Comment
  CAS-BOT-BC211420  Eriogonum sphaerocephalum var. halimioides K. Paulson; Robert Paulson 1989-6-14 134 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  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
  UC466004  Eriogonum sphaerocephalum var. halimioides W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr. Warner Mountains, Parker Cr. 1920 Comment
  UC6458  Eriogonum sphaerocephalum var. halimioides Mrs. R. M. Austin June 1894 Modoc Willow Creek Valley Comment
  SEINET11261404  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1983-7-29 83- 116 -6 Modoc 1.1 mi N of Stowe Reservoir Campground, N. of Cedar Pass, Warner Mtns.; 0 2088 Comment
  SEINET11261407  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1984-7-1 84- 88 -1 Modoc NW of Alturas, 3.5 mi N of Hwy 299, Crowder Flat Raod.; 0 1372 Comment
  SEINET5331611  Eriogonum sphaerocephalum var. halimioides M. J. Williams 1984-4-1 84- 88 -1 Modoc NW of Alturas, 3.5 mi N of Hwy 299, Crowder Flat Road. 1372 Comment
  CAS-BOT-BC211363  Eriogonum strictum subsp. anserinum Annie Montague Alexander; L. Kellogg 1946-7-24 5072 Modoc Horse Mountain, Warner Mts. Comment
  CHSC32928  Eriogonum strictum var. anserinum J. P. Smith; J. O. Sawyer 1973-8-8 7246 Modoc South slopes of Eagle Peak. 2743 Comment
  HSC17268  Eriogonum strictum var. anserinum Thomas W. Stark 1967-7-16 86 Modoc 2 mi. S of Lava Beds Natl. Monument, 10 mi. W of the town of Perez 915 Comment
  CAS-BOT-BC211368  Eriogonum umbellatum Bruce Bartholomew 1991-8-5 6050 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2470 Comment
  CAS-BOT-BC211369  Eriogonum umbellatum Robert Patterson; Mona Bourell 1993-8-15 5257 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC211370  Eriogonum umbellatum Robert Patterson; Mona Bourell 1993-8-15 5252 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC211375  Eriogonum umbellatum Bruce Bartholomew 1991-8-5 6069 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  HSC75595  Eriogonum umbellatum G. M. Riegel 1980-9-3 1134 Modoc S Warner Mtns. 1829 Comment
  RSA504666  Eriogonum umbellatum K. Paulson, R. Paulson 1988-5-22 7 Modoc Devil's Garden. In clay. 1433 Comment
  CAS-BOT-BC267857  Eriogonum umbellatum var. aureum G. D. Hanna; M. M. Hanna 1956-6-5 s.n. Modoc Cedar Pass Comment
  CHSC27612  Eriogonum umbellatum var. dichrocephalum Robert Schlising 1978-7-29 3324 Modoc Warner Mountains, directly E of Warren Peak, just off summit of trail. 2852 Comment
  POM228873  Eriogonum umbellatum var. glaberrimum Louis C. Wheeler 1935-8-3 3773 Modoc Pine Creek 1951 Comment
  UC412866  Eriogonum umbellatum var. glaberrimum M. F. Gilman 601 Modoc 1676 Comment
  RSA601439  Eriogonum umbellatum var. modocense Louis C. Wheeler 1935-8-14 3843 Modoc Pine Creek. Warner Mtns. 2012 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
  UC412839  Eriogonum umbellatum var. nevadense Milo S. Baker Modoc near Egg Lake Comment
  CAS-BOT-BC197612  Eriogonum umbellatum var. polyanthum Elmer Ivan Applegate 1932-8-1 8026 Modoc Warner Mts. just S of Warren Peak. Comment
  CAS-BOT-BC197623  Eriogonum umbellatum var. polyanthum Margaret J. Williams; et al 1988-5-30 88- 26 -2 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  RSA101381  Eriogonum umbellatum var. polyanthum R. Weatherby 1955-7-8 1633 Modoc Common on slope with sagebrush. Northern Juniper Woodland. 3 mi. north of Ft. Bidwell, Warner Mts. Comment
  RSA238656  Eriogonum umbellatum var. polyanthum James L. Reveal 1971-6-22 2461 Modoc Along U.S. Highway 395 at Davis Creek. 1454 Comment
  CAS-BOT-BC197602  Eriogonum vimineum Bruce Bartholomew 1991-6-22 5856 Modoc NE side of Surprise Valley on road to Fee Reservoir, 6.4 km E of Fort Bidwell. 1490 Comment
  CAS-BOT-BC197604  Eriogonum vimineum Margaret J. Williams 1983-9-13 83- 150 -2 Modoc Near Hwy 299, just east of Adin. 1539 Comment
  RSA65965  Eriogonum vimineum F. W. Peirson 1926-6-24 6856 Modoc near a small lake about 3 mi. east of Alturas. Comment
  SJSU9539  Eriogonum vimineum W. Savage 1979-7-3 1278 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC6526  Eriogonum vimineum Mrs. R. M. Austin and Bruce Aug 1898 2317 Modoc Goose Lake valley Comment
  UC71868  Eriogonum vimineum Mrs. M. H. Manning 1904-7 234 Modoc near Fort Bidwell 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
  CAS-BOT-BC49556  Eriophyllum lanatum John Thomas Howell 1934-6-11 11931 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC49559  Eriophyllum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-23 4563 Modoc Near Poison Lake ca. 5 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2000 Comment
  CAS-BOT-BC49565  Eriophyllum lanatum Bruce Bartholomew 1991-8-4 6023 Modoc Vicinity of Pepperdine Camp Ground, W side of the Warner Mts. 2090 Comment
  CAS-BOT-BC49592  Eriophyllum lanatum Elmer Ivan Applegate 1932-8-1 8020 Modoc High summit of Warner Mts. S of Warren Peak. Comment
  CAS-BOT-BC49598  Eriophyllum lanatum Mrs. H. C. Cantelow 1940-6-1 3239 Modoc Warner Mountains, Cedar Pass, E of Alturas Comment
  SEINET10821161  Eriophyllum lanatum Paul Gallian, David B. Dunn 1971-6-3 Gallian 502 Modoc 5 mi. S of Canby on CA Hwy. 299. 1280 Comment
  CHSC67478  Eriophyllum lanatum var. achilleoides James D. Jokerst 1983-5-31 1810 Modoc Lyneta Ranch Surveys: Adjacent to Hwy. 395 6 mi S of Alturas. 1341 Comment
  HSC81109  Eriophyllum lanatum var. achilleoides G. M. Riegel 1979-7-15 555 Modoc S Warner Mtns. 1739 Comment
  UC201711  Eriophyllum lanatum var. achilleoides W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  UC619264  Eriophyllum lanatum var. achilleoides Joseph and Hilda Grinnell 1938-7-16 1112 a Modoc Cedar Pass summit Warner Mountains, Cedar Pass summit 1935 Comment
  CAS-BOT-BC301766  Eriophyllum multicaule Lemmon 1878-5-1 s.n. Modoc Surprise Val. Comment
  CAS-BOT-BC180081  Erodium cicutarium Elmer Ivan Applegate 1897-5-31 882 Modoc Bloody Point, Tule Lake. Comment
  JEPS61388  Erodium cicutarium L. S. Smith 1919-5-7 1094 Modoc Warner Mts. Comment
  CHSC106338  Eryngium alismifolium Lowell Ahart; John Dittes 2010-8-30 17063 Modoc About 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS94079  Eryngium alismifolium Vernon H. Oswald and Lowell Ahart 1998-9-8 9599 Modoc ca. 20 air mi. n. McArthur (Mosquito Lake on the n. side of Whitehorse Flat Reservoir); Whitehorse Flat Reservoir, Mosquito Lake 1341 Comment
  RSA604001  Eryngium alismifolium L. C. Wheeler 1935-8-21 3900 Modoc Devil's Garden: Pine Spring 1524 Comment
  UC55252 Image available Eryngium alismifolium Milo S. Baker 1894-8-25 Modoc Egg Lake; ; Egg Lake, Modoc Co. Comment
  CDA13451  Eryngium articulatum G. F. Hrusa, T. D. Wilfred 1996-7-21 13298 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UCR101218B  Eryngium articulatum L. C. Wheeler 1935-9-13 3985 Modoc Devils Garden; Fletcher Creek at Pease Place 1563 Comment
  SJSU9689  Eryngium articulatum W. Savage 1979-7-24 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  UC1510462  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc near Double Head Mt. (Modoc Nat'l Forest); Modoc Nat'l Forest Comment
  UC1510466  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc Modoc Nat'l Forest Rimrock Lake; , Rimrock Lake Comment
  UC1481224 Image available Eryngium mathiasiae Yusuf Sheikh and Lincoln Constance 1973-6-27 551 Modoc on State Hwy 139 9.8 mi wwn <sic> Canby; ; Modoc Co. Comment
  POM95422  Erysimum capitatum Mrs. R. M. Austin, Bruce 1898-06 2252 Modoc Lake City Mt. Comment
  HSC6795  Erysimum repandum M. T. Milligan 1965-6-27 365 Modoc Eroded volcanic plateau W of Jess Valley 1829 Comment
  RSA262451  Erysimum repandum W. A. Harvey 1954-6-3 s.n. Modoc Al Lindgren Ranch, 2 miles NE of Alturas. Comment
  CHSC117498  Erythranthe breviflora Lowell Ahart; John Dittes 2016-7-14 21183 Modoc Around the strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC229907  Erythranthe breweri Bruce Bartholomew 1991-7-7 6004 Modoc SE end of Sweargart Flat. 1820 Comment
  CAS-BOT-BC234507  Erythranthe guttata Belknap C. Goldsmith 1912-8-5 71 Modoc W side of Goose Lake. 1463 Comment
  CHSC27076  Erythranthe lewisii Robert A. Schlising 1978-7-29 3321 Modoc Warner Mountains, Pine Creek Basin in South Warner Wilderness Area. Comment
  CAS-BOT-BC234517  Erythranthe microphylla Bruce Bartholomew 1990-6-15 5240 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC234458  Erythranthe primuloides Bruce Bartholomew 1995-7-30 7067 Modoc NE side of Big Valley Mountains, W of Lookout Junction. 1310 Comment
  CAS-BOT-BC234459  Erythranthe primuloides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10566 A Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  CAS-BOT-BC190752  Eschscholzia californica Leland S. Smith 1920-8-8 1202 Modoc Alturas. 1341 Comment
  CAS-BOT-BC190754  Eschscholzia californica John Thomas Howell 1934-6-30 12284 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC15165  Eurybia integrifolia Leland S. Smith 1918-7-15 998 Modoc Mill Creek Corral. 2087 Comment
  JEPS89450  Eurybia integrifolia Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10448 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage, Warner Mountains); Warner Mountains 2560 Comment
  CAS-BOT-BC312104  Eurybia integrifolia L. S. Smith 1918-8-10 1017 Modoc Camp One, Modoc Forest 2468 Comment
  HSC80819  Festuca idahoensis G. M. Riegel 1979-8-13 658 Modoc South Warner Mtns. 2100 Comment
  HSC9864  Festuca idahoensis R. C. Wunner 1965-6-20 219 Modoc Lava Beds N.M. Above Lava Brook Cave. 1463 Comment
  UC1024898  Festuca idahoensis Leo Whitney 1935-5-23 3116 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UCD66093  Festuca idahoensis J. C. Hayes 1935-6-25 Modoc Alturas. Comment
  CAS-BOT-BC247704  Festuca idahoensis Leland S. Smith 1917-7-12 100 Modoc Bald Mt. and Cedar. 2560 Comment
  SEINET10559251  Festuca idahoensis Alan A. Beetle 1941-6-29 Beetle 2833 Modoc Near summit of Mt. Adin, sandy soil in open forest. 1829 Comment
  JEPS74011  Festuca pratensis Frances D. Payne 1932-7-18 711 Modoc s. and e. Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UC1025053  Festuca rubra Leo Whitney 1935-7-21 3585 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 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
  RSA600331  Floerkea proserpinacoides Louis C. Wheeler 1935-8-1 3733 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  NY189402  Frasera albicaulis var. modocensis B. M. Bartholomew 1989-6-3 4854 Modoc Timber Mountain, ca. 30 km N of State Hwy 299 on Crowder Flat Road. 1550 Comment
  POM76594  Frasera albicaulis var. modocensis Mrs. R. M. Austin 1894-07 517 Modoc Goose Lake Valley Comment
  UCR71889  Fraxinus latifolia B. Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake. 1300 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-BC242110  Fritillaria atropurpurea K. Paulson; Robert Paulson 1988-6-11 32 Modoc North of Stough Reservoir, Warner Mts.. 1706 Comment
  CHSC31498  Fritillaria atropurpurea N. E. H. Prouty 1980-6-19 189 Modoc Fitzhugh Timber Sale. Modoc Nat. Forest, Warner Mt. District. 2133 Comment
  RSA367713  Fritillaria atropurpurea George Willet 1935-6-21 s.n. Modoc Warner Mountains 2439 Comment
  CAS-BOT-BC242100  Fritillaria pudica E. S. Willits 1940-4-16 177 Modoc Sugar Hill. Comment
  JEPS100639  Fritillaria pudica Dean W. Taylor 1992-5-8 12558 B Modoc ca. 0.5 mi E of Moonlite Mines; Mt. Bidwell 2432 Comment
  HSC15555  Fritillaria pudica M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens 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
  POM109772  Fritillaria pudica Mrs. R. M. Austin 485 Modoc Davis Creek Comment
  SJSU5115  Fritillaria pudica A. G. Gunderson 1970-3-28 Modoc by Highway 292, 20 mi SW of Alturas 1524 Comment
  CDA40747  Galeopsis tetrahit T. C. Fuller 1958-7-8 1973 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC225042  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-6-3 4880 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC225044  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-6-3 4864 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC225053  Galium aparine Francis Dorris Payne 1932-6-10 623 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC225058  Galium bifolium Bruce Bartholomew; Barrett Anderson 1989-6-2 4843 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC225059  Galium bifolium Bruce Bartholomew 1991-8-6 6081 Modoc N Emerson Lake, E side of Warner Mts. 2370 Comment
  RSA165568  Galium glabrescens subsp. modocense Clare B. Hardham 1961-6-18 7540 Modoc 3.2 miles east of Summit of Cedar Pass 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
  UC1776689  Galium glabrescens subsp. modocense G. Schoolcraft 1999-8-25 2881 Modoc Lower east slope of Warner Mountains near OR stateline 1737 Comment
  RSA530114  Galium glabrescens subsp. modocense D. W. Taylor, Glenn Clifton 1989-8-6 10485 Modoc Snake Lake 1570 Comment
  UC1736402  Galium grayanum var. nanum Dean W. Taylor 1989-8-5 10467 Modoc Warner Mountains; North Emerson Lake, cirque above the lake 2392 Comment
Read comments
Feb 1 2007
  HSC19827  Galium mexicanum var. asperulum M. T. Milligan 1966-7-25 577 Modoc E of Jess Valley 1707 Comment
  UC1039506  Galium mexicanum var. asperulum F. H. Frost 1925-7-12 52 Modoc Stow's Meadow Warner Mts., Cedar Canyon Comment
  RSA520339  Galium multiflorum Bruce Bartholomew, B. Anderson 1989-6-2 4824 Modoc 9.7 km E of Eagleville at the California state border. E side of Surprise Valley. 1550 Comment
  CHSC109739  Galium triflorum B. Castro; L. P. Janeway 2012-7-28 1981 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). 1943 Comment
  UC1075754  Gayophytum decipiens Robert J. Weatherby 1955-7-8 1609 B Modoc 7 mi n Ft. Bidwell 1874 Comment
  CAS-BOT-BC190832  Gayophytum humile Bruce Bartholomew; Barrett Anderson 1989-6-1 4724 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC190834  Gayophytum humile Alice Eastwood; John Thomas Howell 1940-6-13 8192 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC190825  Gayophytum racemosum Leland S. Smith 1922-7-20 1294 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  UC1714623  Gayophytum racemosum Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC422804  Gayophytum racemosum Milo S. Baker Modoc near Lookout Comment
  SEINET4153138  Gayophytum racemosum D. A. Charlet 1989-8-15 508 Modoc Warner Mountains, 1.2 km northwest of Eagle Peak 2550 Comment
  CAS-BOT-BC190820  Gayophytum ramosissimum Alice Eastwood; John Thomas Howell 1940-6-14 8204 Modoc Near Kelly Hot Spring. Comment
  POM203074  Gayophytum ramosissimum J. T. Howell 1934-6-30 12281 Modoc Duncan Horse Camp. Comment
  SEINET10635350  Geranium attenuilobum W. T. Frost 1925-7-24 Frost 113 Modoc Jess Valley, Warner Mountains. Comment
  CAS-BOT-BC180075  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-7-12 4986 Modoc Twelve Mile Creek. Comment
  CAS-BOT-BC180076  Geranium viscosissimum Leland S. Smith 1924-6-29 1443 Modoc Happy Camp Ranger Station. Comment
  CAS-BOT-BC180069  Geranium viscosissimum Elmer Ivan Applegate 1897-6-4 864 Modoc Summit of pass between Pit River and Madeline Plain. Comment
  HSC8660  Geranium viscosissimum M. T. Milligan 1964-7-1 123 Modoc Howard's Gulch Campground on Hwy. 139 1372 Comment
  RSA0029587  Geranium viscosissimum var. nervosum George Willet 1935-6-26 s.n. Modoc Jess Valley, Warren [Warner] Mountains. 2287 Comment
  UC1191509  Geum aleppicum Verne Grant, Irving Schneider 1947-7-22 8155 Modoc 1 mi nw of Highway 395 (on dirt road leading to s end of Goose Lake, at headwaters of North Fork Pit River); North Fork Pit River Comment
  RSA647788  Geum macrophyllum Marion P. Harthill 1972-6-17 837 Modoc Cedar Pass, Modoc National Forest 1921 Comment
  CAS-BOT-BC214668  Geum triflorum Edward Kent Balls 1950-5-20 14792 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1432 Comment
  CAS-BOT-BC214676  Geum triflorum Barrett Anderson 1986-7-9 3139 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC214681  Geum triflorum Alice Eastwood; John Thomas Howell 1940-6-14 8217 Modoc 8 mi. NW of Canby. Comment
  RSA59762  Geum triflorum E. K. Balls 1950-5-15 14699 Modoc 6 miles SW of Dry Lake Ranger Station, along railroad. 1280 Comment
  RSA454454  Geum triflorum var. ciliatum Christopher Davidson 1973-5-26 2140 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  CAS-BOT-BC190699  Gilia inconspicua Bruce Bartholomew 1991-5-24 5714 Modoc Surprise Valley, 7.7 km NE of County Rd. 37 on County Rd. 38, at the Nevada State boundary. 1370 Comment
  NY964544  Gilia leptomeria B. M. Bartholomew 1991-6-22 5849 Modoc East side of Surprise Valley, 9.6 km east of Eagleville at the Nevada Border 1520 Comment
  NY964515  Gilia leptomeria var. micromeria B. M. Bartholomew 1990-6-17 5336 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  CAS-BOT-BC190663  Gilia sinistra subsp. sinistra Louis Cutter Wheeler 1935-8-13 3833 Modoc Barnes Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC190668  Gilia sinistra subsp. sinistra Bruce Bartholomew 1991-7-4 5915 Modoc Road between Roney Flat and Miller Flat. 1630 Comment
  CAS-BOT-BC190669  Gilia sinistra subsp. sinistra Roxana Stinchfield Ferris; R. Duthie 1919-6-14 106 Modoc Near spring above Parker Creek, Warner Mts. 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-BC190675  Gilia sinistra subsp. sinistra Clare Butterworth Hardham 1961-6-18 7815 Modoc Cedar Pass. Comment
  CAS-BOT-BC49528  Gnaphalium palustre Mrs. H. C. Cantelow 1940-6-2 3470 Modoc About 10 mi. NW of Canby on road to Lava Beds Nat. Monument. Comment
  CAS-BOT-BC49536  Gnaphalium palustre John Thomas Howell 1934-6-15 12203 Modoc Dorris Reservoir, 2 miles E of Alturas Comment
  JEPS33989  Gnaphalium palustre W. L. Jepson 1918-8-12 7951 Modoc Jess Valley 1584 Comment
  UC1192121  Gnaphalium palustre Herbert L. Mason 1947-8-13 13521 Modoc ne side of F reservoir (n of Canby) Comment
  JEPS6009  Gnaphalium palustre Frances D. Payne 1932-7-8 666 Modoc grainfield Warner Mountains, Parker Creek (s and e of Alturas) 1584 Comment
  CAS-BOT-BC229883  Gratiola ebracteata Bruce Bartholomew 1991-8-4 6020 Modoc Pine Spring, ca. 8 km directly W of Goose Lake. 1580 Comment
  CAS-BOT-BC229888  Gratiola neglecta Verne Grant; I. Schneider 1947-7-20 8094 Modoc S loop of Westside Road, Pit Valley, N of Likely. Comment
  CAS-BOT-BC229889  Gratiola neglecta Herbert Louis Mason; Verne Grant 1947-7-12 13393 Modoc Jones' Lane, off Hwy 395, several miles S of Alturas. Comment
  CAS-BOT-BC229891  Gratiola neglecta John Thomas Howell 1934-6-15 12201 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CAS-BOT-BC95537  Grayia spinosa Bruce Bartholomew 1991-6-22 5840 Modoc Surprise Valley, 5.6 km E of Eagleville. 1370 Comment
  HSC42420  Grindelia hirsutula Barbara Kelly 1977-7-24 545 Modoc Hwy. 299 near Adin Pass, 100 yards E of Higgins Flat turnoff. Comment
  SEINET3146837  Grindelia hirsutula M. S. Baker sn Modoc Forest Dale Comment
  POM41632  Grindelia nana Mrs. R. M. Austin 1895-07 572 Modoc Goose Lake Valley. Comment
  JEPS25294  Hackelia cusickii Frances D. Payne 1932-6-10 643 Modoc s. & e. Alturas (Parker Creek, Warner Mts.); Warner Mts., Parker Creek 1584 Comment
  RSA293417  Hackelia cusickii Reino Alava 1957-7-6 1186 Modoc 2 miles west of Benton Meadows, Davis Creek Pass Road, Modoc Nat l Forest Comment
  RSA531354  Hackelia cusickii Bruce Bartholomew, B. Anderson 1989-6-3 4852 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca 5.5 km S of Big Sage Reservoir. 1550 Comment
  CAS-BOT-BC54055  Hackelia micrantha Elmer Ivan Applegate 1932-8-3 8135 Modoc W slope of Eagle Peak, Warner Mountains Comment
  HSC80932  Hackelia micrantha G. M. Riegel 1980-7-29 965 Modoc S Warner Mtns. 2100 Comment
  SEINET11841732  Helianthella californica var. nevadensis A. Seneres, Harold, N. 1983-1 109 Modoc southern section of Warner Mountains Comment
  UC727055  Helianthus cusickii A. A. Heller 1941-6-26 16221 Modoc Four miles east of Canby, along US Highway 299. Comment
  CAS-BOT-BC54063  Heliotropium curassavicum Elmer Ivan Applegate 1897-6-7 901 Modoc E side of Tule Lake. Comment
  POM72289  Heliotropium curassavicum var. oculatum Mrs. R. M. Austin 1895-07 549 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC180033  Hesperochiron pumilus Mrs. H. C. Cantelow 1941-5-23 3479 Modoc Hwy 299 just E of Adin Pass Summit. 1576 Comment
  CAS-BOT-BC180038  Hesperochiron pumilus Bruce Bartholomew; Barrett Anderson 1989-4-27 4642 Modoc Dutch Flat, NW of Adin. 1390 Comment
  CAS-BOT-BC180039  Hesperochiron pumilus Bruce Bartholomew; Barrett Anderson 1988-5-12 4102 Modoc White Horse. 1340 Comment
  CAS-BOT-BC179173  Hesperolinon micranthum Frances D. Payne 1932-7-8 670 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC179182  Hesperolinon micranthum B. Bartholomew; Barrett Anderson 1988-6-23 4224 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC179184  Hesperolinon micranthum John Thomas Howell 1934-6-30 12258 Modoc Duncan Horse Camp. 1355 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
  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
  UC1100982  Heteranthera dubia Malcolm A. Nobs and Calvin McMillan 1949-6-17 808 Modoc Hwy 99 between Canby and Alturas Comment
  CAS-BOT-BC95148  Heterocodon rariflorum Bruce Bartholomew 1992-5-16 6327 Modoc Lunsford Spring. 1600 Comment
  CAS-BOT-BC225788  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-3 4902 Modoc Fort Bidwell Creek Canyon, 3.5 mi. W of Fort Bidwell. Comment
  CAS-BOT-BC225789  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-23 5042 Modoc E slope Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC225791  Heuchera cylindrica Elmer Ivan Applegate 1932-8-3 8124 Modoc Arid summit of Warner Mts, N of Eagle Peak. Comment
  CAS-BOT-BC49512  Hieracium albiflorum Bruce Bartholomew 1989-8-12 5117 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  HSC81132  Hieracium albiflorum G. M. Riegel 1980-8-13 1058 Modoc South Warner Mtns. 1670 Comment
  RSA504613  Hieracium albiflorum Bruce Bartholomew, B. Anderson 1988-7-21 4413 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  JEPS36580  Hieracium nudicaule L. S. Smith 1924-6-22 1428 Modoc Lava Beds Modoc Forest, Lava Beds 1310 Comment
  CAS-BOT-BC49522  Hieracium scouleri Leland S. Smith 1918-7-11 983 Modoc Mill Creek-Sec 22 2133 Comment
  CHSC113985  Hieracium scouleri L. P. Janeway 2014-7-7 11452 Modoc Warner Mountains. North-facing slope along Road 46N25 along Mill Creek, 1.0 km from Bidwell Creek; 5.2 air-km northwest of Fort Bidwell. 1554 Comment
  OBI49174  Hieracium scouleri Lewis S. Rose 1940-6-12 40527 Modoc 9 mi E of Likely 1676 Comment
  RSA504675  Hieracium scouleri Bruce Bartholomew, B. Anderson 1988-7-22 4481 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mountains; Sierran Montane forest. 2210 Comment
  SEINET11836113  Hieracium scouleri L. S. Rose 1940-1 40527 Modoc 9 mi E of Likely 1676 Comment
  UC485533  Hieracium scouleri M. F. Gilman 518 Modoc mts 1676 Comment
  UC71727  Hippuris vulgaris Mrs. M. H. Manning 1903-4-18 89 Modoc near Fort Bidwell; n.e. Modoc Co. Comment
  UC1101456  Hippuris vulgaris Verne Grant and Irving Schneider 1947-7-21 8118 Modoc N. Fork Pit R. ca. 2 mi. above Alturas; N. Fork Pit R. Comment
  UC1191965  Hippuris vulgaris Herbert L. Mason 1947-8-15 13561 Modoc spring leading into w. side Goose Lake (11 mi. from Davis Creek) Comment
  UCD38344  Holodiscus discolor Beecher Crampton; with Carl Rimbey 1954-7-8 2184 Modoc 12 miles east of Likely. Canyon on the south fork of the Pit River. Comment
  SEINET191602  Holodiscus discolor var. glabrescens Marion Ownbey, Fred G. Meyer 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  SEINET195679  Holodiscus dumosus var. glabrescens Annie M. Alexander, Louise Kellogg 1946-7-23 5061 Modoc Emerson Peak, Warner Mountains Comment
  CAS-BOT-BC214693  Holodiscus microphyllus var. glabrescens K. Paulson; Robert Paulson 1991-8-10 252 Modoc Near Manzanita Lookout. 2065 Comment
  CAS-BOT-BC214698  Holodiscus microphyllus var. glabrescens Belknap C. Goldsmith 1910-7-22 14 Modoc Summit of Sugar Hill, Warner Mts. 2133 Comment
  CAS-BOT-BC214699  Holodiscus microphyllus var. glabrescens Bruce Bartholomew 1990-8-4 5626 Modoc Slope on NE side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2520 Comment
  CAS-BOT-BC95207  Holosteum umbellatum subsp. umbellatum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6519 Modoc Ca. 1 km W of Aden on road to Lookout. 1280 Comment
  HSC10152  Hordeum brachyantherum M. T. Milligan 1965-6-26 341 Modoc 1677 Comment
  CAS-BOT-BC214707  Horkelia fusca Bruce Bartholomew 1991-7-6 5973 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  UC711813  Horkelia fusca subsp. capitata Roxana S. Ferris and Laura Lorraine 1941-8-14 10586 Modoc 3 mi from Patterson Ranger Station (on rd to Eagleville); Modoc National Forest, Warner Mtns Comment
  CAS-BOT-BC181962  Hosackia crassifolia Annie Montague Alexander; L. Kellogg 1946-7-7 4938 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC181964  Hosackia crassifolia Bruce Bartholomew; Barrett Anderson 1988-7-21 4601 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC179320  Hydrophyllum capitatum var. alpinum Fred D. Douthitt 1916-4-24 6 Modoc So. Jess Valley. 1524 Comment
  CAS-BOT-BC179325  Hydrophyllum capitatum var. alpinum Belknap C. Goldsmith 1912-4-20 42 Modoc Near Cedarville. 1493 Comment
  CAS-BOT-BC179332  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; Barrett Anderson 1989-4-29 4688 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC179334  Hydrophyllum capitatum var. alpinum K. Paulson; Robert Paulson 1989-6-14 127 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1905 Comment
  SEINET3156124  Hydrophyllum capitatum var. alpinum E. K. Balls 1950-5-11 14627 Modoc 8.1 miles NE of Fort Bidwell, above Cow Head Lake, along 8 mile Creek. 1463 Comment
  UC880767  Hydrophyllum capitatum var. alpinum C. L. Hitchcock 1940-5-27 6682 Modoc 15 mi ne Alturas 1615 Comment
  CHSC109485  Hymenoxys hoopesii L. P. Janeway; B. Castro 2012-7-25 10978 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  CAS-BOT-BC179903  Hypericum anagalloides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16477 Modoc Campground on Lassen Creek, 1.6 mi. above ford, Warner Mts. Comment
  CAS-BOT-BC58448  Idahoa scapigera Bruce Bartholomew 1993-4-5 6415 Modoc S side of Pit River on County Road 84, ca. 2 km E of County Road 85. 1340 Comment
  CAS-BOT-BC58450  Idahoa scapigera Edward Kent Balls 1950-5-18 14757 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy. 299. 1737 Comment
  UC117501  Idahoa scapigera R. M. Austin May, 1894 8 Modoc Goose Lake Valley Comment
  JEPS4127  Ipomopsis aggregata Frances D. Payne 1929-6-28 32 Modoc se Alturas (Parker Creek); Warner Mtns 1584 Comment
  UC449782  Ipomopsis aggregata W. P. Taylor and H. C. Bryant 1910-7-13 Modoc hea of N. Fork Parker Creek Warner Mtns 2225 Comment
  CAS-BOT-BC190638  Ipomopsis congesta subsp. palmifrons Annie Montague Alexander; L. Kellogg 1946-6-7 4993 Modoc 15 mi. E of Cedarville. 1737 Comment
  UC1192314  Iris missouriensis Malcolm A. Nobs and S. Galen Smith 1949-5-29 770 Modoc 1 mi e Lake City Comment
  HSC13882  Iris missouriensis M. T. Milligan 1964-6-27 98 Modoc 1 mi. S of Lassen Creek on old Hwy. 395, near old home site 1677 Comment
  UC1713586  Iris missouriensis Mrs. M. H. Manning 1904-7-16 56 Modoc Tamarack Flat Mt. Bidwell (ne Modoc County) 2438 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
  UCR64880  Iva axillaris George K. Helmkamp 1990-9-23 H- 01 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  JEPS86283  Ivesia baileyi var. beneolens Dean Wm. Taylor with Glenn Clifton 1990-6-25 11164 Modoc Cedar Pass Warner Mountains, Davis Creek 15' U.S.G.S. topographic map (n slope of Peak 7298) 2148 Comment
  CAS-BOT-BC109877  Juncus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 181 Modoc Parker Creek near Modoc National Forest boundary. Comment
  CHSC117266  Juncus articulatus subsp. articulatus Lowell Ahart; John Dittes 2016-7-14 21203 Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC85121  Juncus balticus John Dittes; Josephine Guardino 1991-7-21 401 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  UC2486  Juncus balticus Baker and Nutting 1894-7-5 Modoc Dixie Valley Comment
  RSA210804  Juncus balticus subsp. ater Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39019 Modoc Fresh water (tule) marsh at SE end of Tule Lake Sump .5 mile N of turnoff to Lava Beds National Monument. (2.2 miles E of NE entrance to monument). 1265 Comment
  CHSC83464  Juncus confusus Bill Maslach 2001-7-9 28 Modoc Stough Reservoir Campground, off Hwy. 299; Warner Mountains. 1900 Comment
  CAS-BOT-BC245061  Juncus ensifolius Leland S. Smith 1922-8-8 1332 Modoc Dutch Flat. 1524 Comment
  UCD146976  Juncus ensifolius Chuck Hughes 2012-9-13 347 Modoc Bear Mountain 2005 Comment
  UC1100990  Juncus nevadensis Verne Grant and Irving Schneider 1947-8-28 8337 Modoc nw of Alturas; Jack Swamp Comment
  UCR67433A  Juncus saximontanus George K. Helmkamp 1990-9-23 J- 12 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  RSA210799  Juncus torreyi Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39067 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  CHSC100395  Juncus trilocularis Lowell Ahart; John Dittes 2008-8-26 15350 Modoc On the bottom of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  SEINET6173599  Juncus trilocularis L. C. Wheeler 1935-9-23 4001 Modoc Pease Flat, Devil's Garden 1524 Comment
  CAS-BOT-BC81204  Juniperus occidentalis Florence Angwin 1945-10-27 s.n. Modoc near Adin Comment
  HSC1272  Juniperus occidentalis M. G. Burgoyne 1962-4-14 1006 Modoc 6 mi. W of Cedarville on Cedarville Hwy. 1677 Comment
  UC401375  Juniperus occidentalis Belknap C. Goldsmith 1911-5-21 Modoc county road near Goose Lake; Modoc National Forest Comment
  CAS-BOT-BC30151  Juniperus occidentalis var. occidentalis Belknap C. Goldsmith 1910-8-1 17 Modoc Fandango Creek, 3 mi E of Goose Lake. 1584 Comment
  RSA0039543  Juniperus occidentalis var. occidentalis Lowell A. Ahart, John Dittes 2008-8-26 15358 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CAS-BOT-BC95668  Kalmia polifolia Elmer Ivan Applegate 1932-8-7 8224 Modoc Just above Lily Lake. Comment
  CAS-BOT-BC225087  Kelloggia galioides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10521 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC95542  Kochia americana Elmer Ivan Applegate 1932-7-6 8193 Modoc Eagleville, Surprise Valley. Comment
  RSA520342  Kochia americana Bruce Bartholomew, B. Anderson 1989-6-2 4832 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC247641  Koeleria macrantha Bruce Bartholomew; Barrett Anderson 1990-7-21 5576 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CHSC69491  Koeleria macrantha James D. Jokerst 1987-5-13 2871 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  HSC29815  Koeleria macrantha D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19402 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CAS-BOT-BC54066  Lappula redowskii R. M. Austin 1894-5-1 Modoc Davis Creek. Comment
  JEPS32733  Lappula redowskii Mrs. R. M. Austin and Bruce June 1898 2269 Modoc Goose Lake Valley Comment
  CAS-BOT-BC181980  Lathyrus brownii Bruce Bartholomew; Mona Bourell 1990-4-27 5168 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  CAS-BOT-BC498652  Lathyrus lanszwertii L. S. Smith 1918-6-23 963 Modoc Modoc Forest: High Grade District - Cave Lake 2133 Comment
  JEPS55280  Lathyrus lanszwertii Milo S. Baker 1896-5-31 Modoc Fall River Mountains, se Modoc Co. Fall River Mountains Comment
  RSA245208  Lathyrus pauciflorus subsp. brownii D. H. Norris, T. Nelson, S. Dowty, B. Norris 1971-6-23 19472 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  RSA488037  Lathyrus pauciflorus subsp. brownii Bruce Bartholomew, B. Anderson 1988-5-12 4123 Modoc SE side of Egg Lake, ca. 1 km E of the Burlington Nrothern Railroad track. 1290 Comment
  RSA74593  Lathyrus rigidus C. L. Hitchcock 1950-5-27 19225 Modoc 20 miles N of Alturas 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
  SEINET7073588  Layia fremontii 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
  CAS-BOT-BC49455  Layia glandulosa C. C. (Mrs.) Bruce 1898-6-1 2172 Modoc Near Alturas. Comment
  UC71602  Layia glandulosa M. H. Manning 1894-3 257 Modoc Mt. Bidwell 1524 Comment
  CAS-BOT-BC245028  Lemna Bruce Bartholomew; Barrett Anderson 1989-6-2 4793 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  JEPS405  Lemna minuscula W. L. Jepson 1918-8-9 7920 Modoc Fort Bidwell 1432 Comment
  CAS-BOT-BC245029  Lemna trisulca Verne Grant; I. Schneider 1947-7-19 8065 Modoc Corporation ranch, south of south loop road, S of Alturas. Comment
  UC71695  Lemna turionifera Mrs. M. H. Manning 1893-2 320 Modoc near Fort Bidwell (in Northeastern Modoc County) Comment
  JEPS127310  Lepidium campestre Lowell Ahart, John Dittes 2016-7-14 21162 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
  CHSC85118  Lepidium draba John Dittes; Josephine Guardino 1991-7-21 417 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  HSC26007  Lepidium lasiocarpum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19399 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  HSC65382  Lepidium perfoliatum Thomas Wood 1979-8-8 214 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  CDA3824  Lepidium perfoliatum Margaret Bellue 1933-6-23 Modoc 0 Comment
  CAS-BOT-BC190633  Leptodactylon pungens John H. Hatton 1911-6-20 134 Modoc Modoc County. 1524 Comment
  UC881528  Leptodactylon pungens Lewis S. Rose 1940-6-12 40519 Modoc 5 mi e Likely 1524 Comment
  RSA59581  Leptosiphon ciliatus Verne Grant, Alva Grant 1950-7-14 8948 Modoc near base of Cedar Mt. ridge, Warner Mts. 1982 Comment
  POM74259B  Leptosiphon harknessii Mrs. R. M. Austin 1895-07 534 Modoc Goose Lake Valley. 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
  SJSU8681  Leptosiphon septentrionalis W. Savage 1979-7-3 1290 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  POM71388  Leucophysalis nana R. M. Austin 1895-07 40 Modoc Goose Lake Valley. Comment
  RSA26470  Leucophysalis nana Alice Eastwood, John T. Howell 1940-6-13 8191 Modoc West side of Cedar Pass. Comment
  RSA520450  Leucophysalis nana Bruce Bartholomew, B. Anderson 1990-7-20 5533 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC247702  Leucopoa kingii Clare Butterworth Hardham 1961-6-18 7552 B Modoc 3.2 mi. E of Cedar Pass. Comment
  POM203130  Leucopoa kingii J. T. Howell 1934-7-1 12338 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC197455  Lewisia nevadensis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 42 Modoc Above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC197456  Lewisia nevadensis Bruce Bartholomew 1994-7-2 6804 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  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
  SBBG1937  Lewisia nevadensis H. and M. Dearing 1939-6-9 3615 Modoc Warner Mtns near Cedarville [near Squaw Peak?] 2133 Comment
  UC7805  Lewisia nevadensis M. S. Baker and Frank Nutting 1894-7-20 Modoc Forestdale 1371 Comment
  CAS-BOT-BC444400  Lewisia rediviva Francis Dorris Payne 1929-6-23 25 Modoc Parker Creek, Warner Mts. 1584 Comment
  HSC26015  Lewisia rediviva D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19371 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  SEINET3071973 Image available Lewisia rediviva C. L. Hitchcock 1940-5-27 6671 Modoc 15 miles northeast of Alturas 1620 Comment
  CHSC118313  Lewisia rediviva var. rediviva L. P. Janeway 2016-5-17 12018 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  UC1586893  Lewisia triphylla Juha Pykala and D. H. Norris 1987-5-28 1277 Modoc ca 3-4 mi w Lake City (Lake City Canyon); Warner Mountains, Modoc National Forest, Lake City Canyon 1828 Comment
  UCD65613  Leymus triticoides L. Whitney 1935-8-3 s.n. Modoc North Warner Mts., Buck Creek. Comment
  UCD86643  Leymus triticoides J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  JEPS17513  Ligusticum grayi W. L. Jepson 1918-8-7 7884 Modoc Mt. Bidwell 2468 Comment
  RSA453850  Ligusticum grayi L. C. Wheeler 1935-8-16 3882 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  POM109710  Lilium humboldtii subsp. humboldtii Mrs. R. M. Austin 1895-06 s.n. Modoc Hills Comment
  UC1101422  Limosella acaulis Herbert L. Mason 1947-8-12 13504 Modoc Junction of North and South Forks of Pit River Alturas (Alturas); Junction of North and South Forks of Pit River Comment
  CHSC99152  Limosella aquatica Lowell Ahart; John Dittes 2008-6-21 14996 Modoc In the drying pond, north of the large culvert, east of the large levee, in Big Valley, about 2.8miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  RSA400277  Limosella aquatica Louis C. Wheeler 1935-8-3 3764 Modoc Warner Mountains: Pine Creek. 1738 Comment
  UC23461  Linanthus ciliatus Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC198041  Linanthus harknessii Bruce Bartholomew; Barrett Anderson 1990-7-19 5414 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  UC190693  Linanthus nuttallii subsp. nuttallii M. F. Gilman 645 Modoc Comment
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May 31 2009
  HSC20665  Linaria dalmatica subsp. dalmatica M. T. Milligan 1964-6-27 93 Modoc Old mill, Lassen Creek 1829 Comment
  UC28481  Linnaea borealis var. longiflora Mrs. R. M. Austin Aug., 1894 Modoc Lassen Creek; ne Modoc Co. 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-BC179165  Linum lewisii M. M. Hanna 1956-6-4 955 Modoc Cedar Pass. 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
  RSA435717  Linum lewisii George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains 1829 Comment
  RSA59602  Linum lewisii Verne Grant, Alva Grant 1950-7-14 8946 Modoc Bare north flank of Cedar Peak, Warner Mts. 2195 Comment
  SBBG30509  Linum lewisii var. lewisii D. Myrick 1968-6-20 1972 Modoc 20 mi W of Canby on Hwy 139 1524 Comment
  UC72231  Listera convallarioides Milo S. Baker 1887-1 Modoc Forestdale 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
  UC1586902  Lithophragma glabrum Juha Pykala and D. H. Norris 1987-5-28 1264 Modoc ca. 3-4 mi w Lake City (Lake City Canyon, by a little stream that runs to Mill Creek); Warner Mountains, Modoc National Forest, Mill Creek 1798 Comment
  UC71790  Lithophragma glabrum Mrs. M. H. Manning Apr 26 1903-May 1 1903 101 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  CAS-BOT-BC225837  Lithophragma tenellum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 108 Modoc Slope above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC225846  Lithophragma tenellum E. H. Steffen 1917-5-27 16 Modoc West Valley Camp. 1554 Comment
  CAS-BOT-BC54035  Lithospermum ruderale Annie Montague Alexander; L. Kellogg 1946-6-10 4724 Modoc Near bottom of slope facing Lower Lake, Lava bench between Lower and Snake lakes. Comment
  CAS-BOT-BC54074  Lithospermum ruderale John Thomas Howell 1934-6-11 11962 Modoc Parker Creek, Warner Mountains 1584 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
  JEPS855  Lithospermum ruderale N. T. Mirov 1929-5-19 Modoc Buck Creek Ranger Station Warner Mountains 1584 Comment
  POM126233  Lithospermum ruderale Franklin P. Nutting s.n. Modoc Forestdale. Comment
  RSA486799  Lithospermum ruderale Bruce Bartholomew, B. Anderson 1988-5-13 4143 Modoc Along Parker Creek Road, 2.7 km W of Modoc National Forest and ca. 16km WSW of Alturas, W side of the Warner Mountains. 1490 Comment
  RSA59862  Lithospermum ruderale E. K. Balls 1950-5-11 14615 Modoc 2 miles N of Lake City, w. of Upper Alkali Lake. 1418 Comment
  CAS-BOT-BC21454  Lomatium bicolor var. leptocarpum Annie Montague Alexander; L. Kellogg 1946-6-26 4839 Modoc Dismal Swamp. 2255 Comment
  JEPS89919  Lomatium bicolor var. leptocarpum Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9114 Modoc headwaters of upper S. Deep Creek Warner Mts., headwaters of upper S. Deep Creek 2194 Comment
  RSA334866  Lomatium bicolor var. leptocarpum A. Tiehm 1984-6-30 8838 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1844 Comment
  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-BC30172  Lomatium dissectum var. multifidum James Vale; et al 1979-6-9 s.n. Modoc Parker Creek. Comment
  UC748360  Lomatium dissectum var. multifidum Annie M. Alexander and Louise Kellogg 1946-6-10 4725 Modoc lava bench between Lower Lake and Snake Lake (slope facing Lower Lake) Comment
  NY1141602  Lomatium gormanii H. D. D. Ripley 1944-6-1 6000 Modoc Cedar Pass, Warner Mountains 1920 Comment
  CAS-BOT-BC30130  Lomatium grayi var. grayi C. C. (Mrs.) Bruce 1899-6-1 73 Modoc Modoc County. Comment
  NY1160601  Lomatium leptocarpum A. Tiehm 1984-7-30 8827 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1615 Comment
  OBI81576  Lomatium leptocarpum Annie M Alexander, Louise Kellogg 1946-6-14 4770 Modoc In drying meadow below lava slope; branch to Silver Creek. 1829 Comment
  CAS-BOT-BC30142  Lomatium macrocarpum E. S. Willits 1940-4-27 194 Modoc Davis Creek. Comment
  HSC21526  Lomatium macrocarpum R. C. Wunner 1965-7-1 320 Modoc Lava Beds National Monument, top of Gillem's Bluff near N.W. entrance 1372 Comment
  HSC21541  Lomatium nevadense M. T. Milligan 1966-3-18 452 Modoc N end Jess Valley 1616 Comment
  POM78180  Lomatium nevadense C. C. Bruce 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
  UC106254  Lomatium nevadense var. nevadense Mrs. R. M. Austin May 1884 87 Modoc Goose Lake Valley Comment
  UC1616070  Lomatium nevadense var. nevadense S. Saufferer 1973-5-5 132 Modoc ca. 7 1/2 mi. s. Pine Creek (along Hwy. #395) Comment
  CAS-BOT-BC15768  Lomatium nudicaule Roxana Stinchfield Ferris; R. Duthie 1919-6-14 110 Modoc Near Parker Creek, 1.5 mi. above Modoc National Forest boundary. Comment
  JEPS17004  Lomatium piperi L. S. Smith c. 1918 1196 Modoc Modoc Forest, Devil's Garden district, Long Meadows 1524 Comment
  CAS-BOT-BC497467  Lomatium triternatum Margaret J. Williams 1988-5-30 88- 26 -6 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  HSC28526  Lomatium triternatum var. macrocarpum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19383 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC726879  Lomatium triternatum var. macrocarpum A. A. Heller 1941-6-26 16215 Modoc four mi e Canby Comment
  CAS-BOT-BC21408  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-13 12080 Modoc Fandango Pass. 1828 Comment
  SEINET11131297  Lomatium triternatum var. triternatum M. J. Williams, T. Holcomb, B. Holcomb, L. Saxton 1988-5-28 88191 Modoc Hwy 395, intersection with Davis Creek Road Comment
  CAS-BOT-BC21396  Lomatium vaginatum Lincoln Constance; E. DiFulvio 1962-4-16 3750 Modoc 3.2 mi. N of Likely. 1310 Comment
  CAS-BOT-BC21402  Lomatium vaginatum Mrs. H. C. Cantelow 1940-5-31 4507 Modoc 3 mi. E of Canby. Comment
  UC643300  Lomatium vaginatum Alice Eastwood and John Thomas Howell 1940-6-11 8023 Modoc 8 mi. from Canby on rd. to Alturas Comment
  RSA503237  Lonicera interrupta Bruce Bartholomew, B. Anderson 1988-6-23 4268 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  SEINET3131479  Lotus crassifolius var. crassifolius M. S. Baker 1893-1 sn Modoc Forestdale Comment
  HSC68805  Lotus unifoliolatus var. unifoliolatus Gary Schoolcraft 1979-8-9 175 Modoc Near 10 Mile Creek 1768 Comment
  CAS-BOT-BC181926  Lupinus Betty J. Hammerly 1941-6-20 34 Modoc Along banks of Clear Lake, S end of Warner Mts. 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
  RSA534615  Lupinus Bruce Bartholomew, B. Anderson 1989-6-3 4914 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  RSA554810  Lupinus Margaret J. Williams, Thad Holcomb, Betty Holcomb, Lois Saxton 1988-5-28 88- 24 -1 Modoc Grade up to Crowder Flat from Hwy 229, W of Alturas. 1479 Comment
  RSA624905  Lupinus Jeffrey Huber 1971-6-3 87 Modoc 5 mi. S. of Canby on Calif. Hwy. 299. Comment
  CAS-BOT-BC181897  Lupinus arbustus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 76 Modoc Near Parker Creek. 1828 Comment
  CAS-BOT-BC181901  Lupinus arbustus Francis Dorris Payne 1929-6-24 24 Modoc Pine Creek, above Fitzhugh Springs. 1645 Comment
  CAS-BOT-BC181920  Lupinus arbustus Elmer Ivan Applegate 1929-6-24 5890 Modoc Between Adin and Canby, upper Pit River region. Comment
  NY732854  Lupinus arbustus subsp. calcaratus M. Bourell 1993-8-14 5227 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC182197  Lupinus argenteus John Thomas Howell 1934-7-2 12367 Modoc W side of Clear Lake. Comment
  UC527344  Lupinus argenteus C. B. Wolf 1931-9-4 2398 Modoc Canby 1325 Comment
  UC71804  Lupinus argenteus Mrs. M. H. Manning 1902-10-4 50 Modoc near Fort Bidwell (ne Modoc County); near Fort Bidwell Comment
  UC727128  Lupinus argenteus A. A. Heller 1938-6-24 15222 Modoc between Alturas and Canby; between Alturas and Canby 1341 Comment
  SJSU9657  Lupinus argenteus W. Savage 1979-7-8 1493 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET10870583  Lupinus argenteus subsp. argenteus Charles Piper Smith 1947-6-13 Smith 47450 Modoc Hwy 299, 2.5 miles s 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
  CAS-BOT-BC182082  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-13 8124 Modoc Near Davis Creek. Comment
  CAS-BOT-BC182084  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-14 8234 Modoc Near Hackamore. 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-BC182096  Lupinus argenteus var. heteranthus R. M. Austin 1884-1-1 69 Modoc Alkaline planes, S of Goose Lake. Comment
  CHSC67109  Lupinus argenteus var. heteranthus James D. Jokerst 1987-5-15 2881 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, Doublhead Mtn, Rd. ca. 0.25 mi W of junction with N-S road at E edge of project area. 1371 Comment
  JEPS65015  Lupinus argenteus var. heteranthus Leland S. Smith 1918-6-20 974 Modoc Lily Lake Warner Mts., Pine Creek (Lily Lake) (Pine Creek) 1981 Comment
  NY736936  Lupinus argenteus var. heteranthus C. L. Hitchcock 1940-5-27 6653 Modoc 9 miles northeast of Alturas 1402 Comment
  UC710955  Lupinus argenteus var. heteranthus C. L. Hitchcock 1940-5-27 6653 Modoc 9 mi ne Alturas; ne of Alturas 1402 Comment
  CAS-BOT-BC182079  Lupinus argenteus var. heteranthus R. M. Austin 1884-8-1 219 Modoc Hills. Comment
  HSC71398  Lupinus aridus J. P. Smith, J. O. Sawyer 1972-5-6 5274 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  JEPS65347  Lupinus bicolor Leland S. Smith 1918-5-2 918 Modoc hills around Adin; Modoc National Forest, hills around Adin 1981 Comment
  SEINET5328128  Lupinus brevicaulis M. J. Williams, Arnold Tiehm, Jan Nachlinger 1988-6-2 88- 28 -3 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  SEINET6654510  Lupinus brevicaulis Margaret J. Williams, Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -3 Modoc Jess Valley, E of Likely, So of roadside rest.; 0 Comment
  RSA582465  Lupinus laxiflorus Louis C. Wheeler 1935-9-6 3958 Modoc Tuttle Place, W side Goose Lake. 1463 Comment
  CHSC85177  Lupinus lepidus var. confertus John Dittes; Josephine Guardino 1991-7-21 387 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-BC181867  Lupinus lepidus var. sellulus Bruce Bartholomew 1991-6-23 5869 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  SEINET2149920  Lupinus lepidus var. sellulus K. T. Harper 1974-1 133 Modoc 30 miles N of Susanville. Comment
  CAS-BOT-BC181851  Lupinus leucophyllus K. Paulson; Robert Paulson 1989-7-2 160 Modoc Cottonwood Flat. 1447 Comment
  UC201968  Lupinus leucophyllus Franklin P. Nutting Modoc near Egg Lake (Lava); , near Egg Lake Comment
  UC201967  Lupinus leucophyllus Milo S. Baker 1899-7-10 304 Modoc Burney Valley Comment
  NY747388  Lupinus leucophyllus var. belliae M. S. Baker 1893-6-20 s.n. Modoc Comment
  NY747436  Lupinus microcarpus A. A. Heller 1941-6-25 16197 Modoc On the Cedarville road a short distance east of the junction with U. S. Highway #395 Comment
  CAS-BOT-BC181837  Lupinus microcarpus var. microcarpus Bruce Bartholomew; Barrett Anderson 1989-6-3 4891 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC181840  Lupinus microcarpus var. microcarpus Mrs. H. C. Cantelow 1940-5-31 Modoc 3 mi. E of Canby. Comment
  CAS-BOT-BC181846  Lupinus microcarpus var. microcarpus Edward Kent Balls 1950-5-18 14763 Modoc By Lower Rush Creek Public Camp. 1310 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
  JEPS65294  Lupinus polyphyllus var. burkei Frances D. Payne 1931-6-17 180 Modoc Parker Creek Warner Mountains, Parker Creek (s and e of Alturas) 1584 Comment
  CHSC118324  Lupinus saxosus L. P. Janeway 2016-5-17 12049 Modoc Modoc Plateau. Devils Garden area; along Road 48N08/73/ Crowder Flat Road 2.1 road-km north of Devils Garden Conservation Camp; about 6.5 air-km south of Big Sage Reservior. 1501 Comment
  HSC14835  Lupinus saxosus M. G. Burgoyne 1962-4-23 1000 Modoc 15 mi. W of Cedarville on Hwy. over Cedar Pass 2134 Comment
  UC71812  Lupinus saxosus Mrs. M. H. Manning 1903-4 52 Modoc near Fort Bidwell; near Fort Bidwell Comment
  HSC14937  Lupinus saxosus Allan R. Marshall 1962-5-12 13 Modoc 3 mi. W of Canby on Hwy. 299 1220 Comment
  SJSU13957  Lupinus saxosus N. A. Hopkins 1985-5-14 1274 Modoc between Alturas & Cedarville, Warner Mts 1524 Comment
  SEINET10490264  Lupinus subvexus var. transmontanus Billy Joe Cox 1971-6-3 Cox 2609 Modoc 6 mi n of alturas on us hwy 395, w facing slope in middle of grassland pasture. Edging into artemesia which adjoins juniper woodland. Lupinus sp in very Dense populations on every slope for over a mile north, more or less a valley Side in decomposing basalt with lighter soil above. 1341 Comment
  UCD124962  Lycopus asper Herbert L. Mason 1947-8-11 13490 Modoc on Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  HSC100750  Lythrum tribracteatum Lowell Ahart, John Dittes 2010-8-30 17055 Modoc N side of wash ~10 yd. W of fence, S edge of meadow in the Ash Creek State Wildlife Area, 2,300 ft. N of Lassen Co. line, 3.6 (air) mi. W of Adin and 8 (air) mi. NE of Bieber, Big Valley. 1268 Comment
  RSA0016027  Lythrum tribracteatum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39099 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  RSA608616  Machaeranthera canescens var. shastensis L. C. Wheeler 1935-8-27 3924 Modoc South Mountain, Devil's Garden 1524 Comment
  CAS-BOT-BC49474  Madia citriodora John Thomas Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC49435  Madia exigua Bruce Bartholomew 1991-6-20 5777 Modoc 7.5 km E of junction of county roads 87 and 90. 1220 Comment
  CAS-BOT-BC49401  Madia glomerata Bruce Bartholomew 1989-8-10 5043 Modoc Little Hot Spring Valley, 3.9 km NW of Day. 1070 Comment
  HSC41119  Madia glomerata Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3252 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  JEPS6001  Madia glomerata Frances D. Payne 1933-8-5 771 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1191986  Madia glomerata Herbert L. Mason 1947-8-9 13483 Modoc n Alturas (e side of swamp); Fairchild Swamp Comment
  CAS-BOT-BC49378  Madia gracilis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 103 Modoc Parker Creek. Comment
  JEPS5997  Madia gracilis Frances D. Payne 1935-7-6 783 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  NY500377  Mahonia repens L. C. Wheeler 1935-8-14 3838 Modoc Pine Creek, Warner Mountains 2011.7 Comment
  RSA452628  Mahonia repens H. E. McMinn 1931-5-23 2445 Modoc Fandango Pass, Warner Mts. Comment
  RSA59970  Mahonia repens E. K. Balls 1950-5-13 14681 Modoc West of Goose Lake, 0.5 mile S of Oregon- California State Line. 1463 Comment
  CAS-BOT-BC242175  Maianthemum racemosum Bruce Bartholomew; Barrett Anderson 1988-7-22 4534 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  POM204106  Maianthemum racemosum subsp. amplexicaule J. T. Howell 1934-6-11 11954 Modoc Parker Creek, Warner Mts. 1585 Comment
  CAS-BOT-BC242168  Maianthemum stellatum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 153 Modoc Parker Creek, 14 mi. from Alturas. 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-BC242170  Maianthemum stellatum Bruce Bartholomew 1992-5-14 6282 Modoc SE end of Whitehorse Flat Reservoir at Bowman spring just above McArthur Cow Camp. 1390 Comment
  UC18742  Malva neglecta M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC95625  Marah fabacea Bruce Bartholomew 1992-5-14 6274 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  JEPS94719  Marsilea oligospora Vernon H. Oswald and Lowell Ahart 1998-9-8 9591 Modoc County Rd. 95 nw Lookout (at creek, ca. 0.5 air mi ne of Lookout Junction); Taylor Creek 1280 Comment
  POM228963  Marsilea oligospora L. C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil s Garden. 1524 Comment
  UCD169464  Marsilea oligospora Louis C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil's Garden. 1524 Comment
  CHSC117040  Matricaria occidentalis Lowell Ahart; John Dittes 2016-6-6 20961 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
  JEPS123859  Medicago lupulina Lowell Ahart, John Dittes 2015-7-16 20386 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS74032  Melica bulbosa Frances D. Payne 1932-7-1 663 Modoc 2 mi sw Mt. Warren (se Modoc County); Pine Creek Basin 2316 Comment
  CAS-BOT-BC247573  Melica stricta Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2152 Modoc Cedar Peak. Comment
  UC190592  Melica stricta M. F. Gilman 514 Modoc Comment
  UCD88679  Melica subulata L. D. Whitney 1935-7-13 s.n. Modoc Cottonwood flat. Comment
  UCD108086  Melilotus indicus Robbins and Raynor 1943-6-1 s.n. Modoc Near Alturas. Comment
  HSC15030  Melilotus officinalis M. T. Milligan 1965-6-26 338 Modoc N end Jess Valley. 1616 Comment
  CHSC99961  Mentha canadensis Lowell Ahart; John Dittes 2008-8-26 15345 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS63462  Mentha canadensis W. L. Jepson 1918-8-11 7944 Modoc Jess Valley 1584 Comment
  UC1191906  Mentha canadensis Verne Grant and Irving Schneider 1947-7-18 8050 Modoc Eastside Canal 5 mi n Bayley's bridge (s of Alturas); , Eastside Canal Comment
  UC71758  Mentha canadensis Mrs. M. H. Manning 1903-7 201 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  JEPS63466  Mentha canadensis Leland S. Smith July 1918 1062 Modoc Jess Valley Comment
  CAS-BOT-BC179859  Mentha spicata Bruce Bartholomew 1992-8-10 6402 Modoc Rush Creek just N of Round Valley on Highway 299. 1350 Comment
  UC1540002  Mentzelia albicaulis M. Mitchell 1936-5-21 47 Modoc 2 m se Hospital Rock; Lava Beds National Monument 1249 Comment
  RSA59520  Mentzelia albicaulis E. K. Balls 1950-5-21 14821 Modoc South Fork Public Camp, South Fork Pit River. 1479 Comment
  CAS-BOT-BC179136  Mentzelia dispersa Bruce Bartholomew 1989-7-15 4999 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC179147  Mentzelia dispersa Bruce Bartholomew 1991-6-20 5786 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  RSA520500  Mentzelia dispersa Bruce Bartholomew 1989-7-15 4999 Modoc Sweagert Flat. 567 Comment
  SEINET195717  Mentzelia dispersa Unknown 1946-6-12 4736 Modoc Fandango Pass road 1676 Comment
  UCSB11829  Mentzelia dispersa Haller, John 1961-6-25 Modoc Patterson Campground at Patterson Ranger Station, Eagleville-Likely road, about 3.5 mi. W of crest of Warner Mountains 2194 Comment
  CAS-BOT-BC179130  Mentzelia laevicaulis L. A. M. Black 1893-8-1 77 Modoc Surprise Valley Comment
  CAS-BOT-BC179119  Mentzelia montana Bruce Bartholomew; Barrett Anderson 1989-6-2 4822 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC179118  Mentzelia montana Mrs. H. C. Cantelow 1940-6-2 3996 Modoc W of Alturas, road to Lava Beds. Comment
  CAS-BOT-BC170842  Mentzelia veatchiana Christopher Davidson 1975-6-4 2612 Modoc 1/4 mi W of Cedarville on Hwy 200, steep volcanic slope, N side of rd. S slope. 1463 Comment
  CAS-BOT-BC179113  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5836 Modoc E slope of S end of Warner Mountains, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  CAS-BOT-BC54044  Mertensia ciliata Bruce Bartholomew 1995-6-23 6997 Modoc 2.4 km N of Forest Road 30 on road from Hall Meadow to Plume Valley Camp Ground. 1770 Comment
  CAS-BOT-BC54001  Mertensia longiflora Francis Dorris Payne 1932-5-27 408 Modoc Parker Creek. 1584 Comment
  SEINET11302717  Mertensia longiflora M. J. Williams 1984-6-29 84- 71 -1 Modoc Lily Lake, west side of the Warner Mountains 2073 Comment
  CAS-BOT-BC54007  Mertensia oblongifolia var. amoena Francis Dorris Payne 1931-6-21 224 Modoc Ridge W of Dry Creek. 1981 Comment
  RSA531357  Mertensia oblongifolia var. amoena Bruce Bartholomew, Anderson 1989-6-2 4794 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC58779  Mertensia oblongifolia var. oblongifolia C. L. Hitchcock 1940-5-27 6663 Modoc 12 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC225962  Micranthes nidifica Annie Montague Alexander; L. Kellogg 1946-6-15 4779 Modoc Deep Creek. 2194 Comment
  CAS-BOT-BC225964  Micranthes nidifica Bruce Bartholomew; Mona Bourell 1990-4-27 5171 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  NY539940  Micromonolepis pusilla B. M. Bartholomew 1989-6-2 4813 Modoc Sand dunes at the southeast corner of Upper Alkali Lake, east side of Surprise Valley 1400 Comment
  CAS-BOT-BC49351  Microseris nutans Bruce Bartholomew 1993-6-14 6667 Modoc Russell Canyon, just S of the Oregon border and NW of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC49400  Microseris nutans Bruce Bartholomew; Barrett Anderson 1990-7-20 5524 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC197896  Microsteris gracilis C. C. (Mrs.) Bruce 1894-4-1 104 Modoc Davis Creek. Comment
  CHSC117815  Microsteris gracilis L. P. Janeway 2016-5-16 11973 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 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
  RSA59719  Mimulus androsaceus E. K. Balls 1950-5-18 14755 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  JEPS127152  Mimulus breviflorus Lowell Ahart, John Dittes 2016-7-16 21239 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
  RSA535421  Mimulus cusickii David M. Thompson 1988-7-23 975 Modoc E side Warner Mountains, 3.7 miles S of Hwy 299 (at Cedarville) along Surprise Valley Road, then 1.5miles W along Granger Canyon Road. 1500 Comment
  UCD122535  Mimulus evanescens S. E. Schoenig 1998-7-5 98- 70 Modoc SW shore of Moll Reservoir, 2 meters from waters edge. 1499 Comment
  JEPS27950  Mimulus lewisii Frances D. Payne 1929-7-26 134 Modoc w Warren Peak (w slope of mountains); Warner Mountains, Pine Creek Basin 2133 Comment
  RSA503241  Mimulus lewisii Bruce Bartholomew, B. Anderson 1988-7-22 4537 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mountains. 1980 Comment
  UC748168  Mimulus moschatus Annie M. Alexander and Louise Kellogg 1946-7-7 4957 Modoc Eight Mile Creek 1752 Comment
  CAS-BOT-BC234453  Mimulus nanus Bruce Bartholomew 1991-6-20 5787 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  RSA78966  Mimulus nanus var. nanus E. K. Balls, Percy C. Everett 1952-10-11 18163 Modoc 4.9 mi. w. from turn off of Hwy 139 on road to Pumice Pits, e. edge of Glass Flow. 1280 Comment
  RSA93429  Mimulus nanus var. nanus Milo S. Baker 1936-6-14 8312 Modoc Sink along Hwy. Malin to Canby several miles N of Quarantine Station. Comment
  CDA41827  Mimulus pulsiferae S. E. Schoenig 1998-7-5 98 -69 Modoc Southwest shore of Moll Reservior. Comment
  UC1037256  Mimulus pulsiferae Leo Whitney 1935-6-9 3203 Modoc White Horse Comment
  JEPS79125  Mimulus pygmaeus L. R. Heckard with R. Bacigalupi 1980-6-10 5229 Modoc about 11 mi nw Lookout (w edge of Egg Lake (se end) meadow, type locality) Comment
  RSA535786  Mimulus pygmaeus David M. Thompson 1988-6-3 929 Modoc Lookout Junction. 1300 Comment
  UC1736252  Mimulus rubellus Dean William Taylor 1988-6-4 9744 b Modoc ca 2.6 mi w of Highway 139 Damons Butte; Modoc Plateau 1341 Comment
  POM260886  Mimulus suksdorfii Alice Eastwood, John T. Howell 1940-6-15 8276 Modoc Near Perez Comment
  UC748170  Mimulus suksdorfii Annie M. Alexander and Louise Kellogg 1946-7-24 5078 Modoc Bear Camp Flat Warner Mountains 2286 Comment
  JEPS86875  Mimulus tricolor David M. Thompson 1988-6-3 928 Modoc betweeen Kramer Reservoir and White Horse-Lookout road (2.3 rd mi w of railroad crossing, s end of lake); Egg Lake 1300 Comment
  HSC68105  Minuartia nuttallii J. P. Smith, J. O. Sawyer 1973-8-8 7213 Modoc Near summit of Eagle Peak 2988 Comment
  JEPS27121  Minuartia nuttallii subsp. gregaria Lauramay T. Dempster 1961-6-20 1714 Modoc ridge just n junction of Dismal Creek Road with Fort Bidwell Road; Warner Mountains 2346 Comment
  NY758255  Mitella pentandra R. M. Austin 08 1894 s.n. Modoc Lassen Creek Comment
  UCR138445  Mitella pentandra David A. Charlet 1989-8-16 540 Modoc Warner Mountains. 11 km NW of Eagle Peak, Rock Spring 2015 Comment
  RSA149075  Mitella pentandra I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16489 Modoc 6.4 mi. S of Lassen Creek Campground along road to Buck Mtn, Warner Mtns. Comment
  CAS-BOT-BC179371  Monardella odoratissima subsp. glauca Bruce Bartholomew 1995-7-31 7082 Modoc Top of a rocky knob, E of Bald Mountain, E side of the Warner Mts. 2160 Comment
  CAS-BOT-BC179853  Monardella odoratissima subsp. glauca Mona Bourell; Robert Patterson 1993-8-15 5254 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  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
  CAS-BOT-BC95548  Monolepis nuttalliana John Thomas Howell 1934-6-12 12035 Modoc Plum Valley, Warner Mts. Comment
  CAS-BOT-BC95550  Monolepis nuttalliana Bruce Bartholomew 1995-6-2 6935 Modoc 6.4 km E of Eagleville, S end of Surprize Valley. 1380 Comment
  HSC17743  Montia chamissoi M. T. Milligan 1964-7-25 178 Modoc Pine Creek Basin, along trail. 2439 Comment
  UC71835  Montia chamissoi Mrs. M. H. Manning 1903-5-1 115 Modoc near Fort Bidwell (in north-eastern Modoc Count) Comment
  UC932076  Montia chamissoi Verne Grant, Alva Grant 1947-7-11 8010 Modoc Thoms Creek near forest service camp site on road from Alturas to Cedar Pass; Warner Mountains, Thoms Creek Comment
  CHSC117849  Montia dichotoma L. P. Janeway 2016-5-16 11997 B Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Applegate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  RSA520346  Montia fontana Bruce Bartholomew, B. Anderson 1989-6-2 4845 Modoc Vicinity of Stough Reservoir, Warner Mtns. 1950 Comment
  RSA152693  Montia fontana I. L. Wiggins 1961-6-12 16396 Modoc Margin of marshy area along Thomas Creek, 6.1 miles E of California Hwy 299, on road to Cedarville Comment
  CAS-BOT-BC197545  Montia linearis Bruce Bartholomew; Barrett Anderson 1989-4-27 4614 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  JEPS79204  Montia linearis L. R. Heckard with R. C. Bacigalupi 1980-6-10 5225 Modoc sw margin of Egg Lake (now dry) Egg Lake Comment
  UC173239  Montia linearis Mrs. R. M. Austin 1894-5-1 Modoc Goose Lake Valley Comment
  CAS-BOT-BC247565  Muhlenbergia filiformis Leland S. Smith 1917-9-5 154 Modoc Bidwell Creek and High Grade. 2164 Comment
  CAS-BOT-BC247566  Muhlenbergia filiformis Bruce Bartholomew 1992-8-9 6394 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mountains. 2500 Comment
  UCD86772  Muhlenbergia jonesii L. Whitney 1935-8-15 s.n. Modoc Lava Plateau near hole in the rock. 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
  RSA603670  Muhlenbergia richardsonis L. C. Wheeler 1935-8-21 3901 Modoc Devil's Garden: Pine Spring 1524 Comment
  CAS-BOT-BC247560  Muhlenbergia richardsonis Leland S. Smith 1924-5-31 5 Modoc Lava beds N of Lava Ranger Station. 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
  RSA722575  Munroa squarrosa Richard Halse 2006-8-3 6988 Modoc Along Jess Valley Road ca. 4 miles east of Likely, just past bridge over the Pit River. 1387 Comment
  UC1731496  Myosurus apetalus Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12530 Modoc just above western rim of Black Canyon (0.5 mi downstream of Duncan Reservoir, in creek draining the reservoir, Modoc Plateau); Modoc Plateau 1524 Comment
  CHSC117847  Myosurus minimus L. P. Janeway 2016-5-16 11998 Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Applegate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  CHSC85413  Myosurus minimus John Dittes 1991-6-1 375 A Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit, meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  UC1738098  Myosurus minimus H. L. Mason 1957-6-3 65 Modoc Margin of pond on Timber Mountain. 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
  UC962317  Nama densa var. parviflora Milo S. Baker 1936-6-14 8308 Modoc several mi n of Quarantine Station (sink along Hiwy Malin to Canby); along Hiwy Malin to Canby Comment
  HSC75909  Navarretia breweri D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19436 Modoc Near Hager Reservoir Comment
  JEPS70251  Navarretia breweri Frances D. Payne 1929-7-26 125 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2286 Comment
  UC705723  Navarretia breweri Marion Ownbey, Fred G. Meyer 1940-7-1 2146 Modoc w slope Cedar Peak; Warner Mts. Comment
  UCD32710  Navarretia breweri Beecher Crampton 1954-7-7 2138 Modoc Modoc County, west side of Cedar Pass. Comment
  CAS-BOT-BC197987  Navarretia intertexta subsp. propinqua Alice Eastwood; John Thomas Howell 1940-6-15 8293 Modoc 9 mi. N of Lookout. Comment
  UC1106905  Navarretia intertexta subsp. propinqua Herbert L. Mason 1947-7-10 13331 Modoc 2 air mi e Alturas; Dorris Reservoir Comment
  UC1058211  Navarretia intertexta subsp. propinqua C. McMillan 1949-6-16 1532 Modoc s of Crowder Flat (n central Modoc County) Comment
  RSA185430  Navarretia leptalea Clare B. Hardham 1961-6-18 s.n. Modoc Warner Mountains: Cedar Pass. Comment
  UC908645  Navarretia leucocephala subsp. minima Louis C. Wheeler 1935-8-2 3746 Modoc Twelve-mile Creek Warner Mts. 2194 Comment
  UC1191635  Navarretia linearifolia subsp. linearifolia Herbert L. Mason 1947-8-8 13455 Modoc nw Alturas (Ingalls Swamp); n of Big Sage Reservoir, Ingalls Swamp Comment
  POM312621  Navarretia sinistra H. L. Mason 1947-8-8 13455 Modoc Ingalls Swamp, north of Big Sage Reservoir, northwest of Alturas Comment
  CAS-BOT-BC179311  Nemophila breviflora Lincoln Constance 1938-12-12 2332 Modoc Edge of Thoms Creek at foot of Bonner Grade, Cedar Pass Rd., 13.4 mi. NE of Alturas. 1524 Comment
  HSC81075  Nemophila breviflora G. M. Riegel 1979-6-30 506 Modoc S Warner Mtns. 2100 Comment
  UC606896  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
  POM248997  Nemophila parviflora var. austiniae Lincoln Constance 1938-6-12 2333 Modoc Edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, 13.4 miles NE of Alturas, western foothills of the Warner Range 1524 Comment
  CAS-BOT-BC179284  Nemophila pedunculata Milo Samuel Baker 1899-8-20 Modoc Forestdale. Comment
  CAS-BOT-BC179290  Nemophila pedunculata Roxana Stinchfield Ferris; R. Duthie 1919-6-13 40 Modoc By Parker Creek. Comment
  CAS-BOT-BC179295  Nemophila pedunculata Alice Eastwood; John Thomas Howell 1940-6-13 8193 Modoc W side of Cedar Pass. Comment
  UC1021925  Nemophila pedunculata Rolf Y. Berg 1955-6-22 Modoc w Cedarville (Cedar Pass Campground); Modoc National Forest, w of Cedarville Comment
  UC1602271  Neoholmgrenia andina Mrs. R. M. Austin 1870-1 279 Modoc Willow Creek Valley Comment
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Apr 8 2011
  UC20412  Neoholmgrenia andina M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UC71619  Nestotus stenophyllus Mrs. M. H. Manning 472 Modoc Northeaster Modoc County Comment
  UCD134645  Nestotus stenophyllus G. L. Stebbins Jr.; A. A. Beetle 1942-5-30 3247 Modoc 8.6 miles northwest of Canby, on road to Tule Lake. 1584 Comment
  CHSC101018  Nothocalais troximoides John Dittes 2008-5-21 1520 Modoc Modoc Plateau; Big Valley; ca. 1.7 air miles south of Lookout, ca. 1.1 air miles west of County Road 91; floodplain terrace of Pit River. 1259 Comment
  JEPS43991  Oenothera cespitosa subsp. crinita Mary H. Manning 1920-5-30 Modoc Likely Comment
  CAS-BOT-BC190811  Oenothera deltoides subsp. piperi Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 27 -5 Modoc Hwy 0.4 mi E of Susanville road after turn to Alturas. Comment
  NY998650  Oenothera deltoides var. piperi B. M. Bartholomew 1989-6-2 4836 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  CDA38149  Oenothera elata Briles 1936-7-2 s.n. Modoc [No further data] 0 Comment
  UC635387  Oenothera elata subsp. hirsutissima F. H. Frost 1925-7-24 111 Modoc Jess Valley Warner Mountains Comment
  JEPS43964  Oenothera elata subsp. hirsutissima W. L. Jepson 1918-8-6 7846 Modoc fields and summit Surprise Valley 1447 Comment
  CHSC107332  Oenothera flava Lowell Ahart; John Dittes 2011-6-21 17515 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC190801  Oenothera flava subsp. flava Milo Samuel Baker 1893-7-20 s.n. Modoc Lava Beds. Comment
  JEPS31479  Oenothera flava subsp. flava Frances D. Payne 1930-7-21 222 Modoc ridge w Dry Creek (northern tributary of Parker Creek) (s and e of Alturas, base of cliffs); Warner Mountains 1981 Comment
  CAS-BOT-BC245089  Olsynium douglasii var. douglasii K. Paulson; Robert Paulson 1991-5-25 216 Modoc Near Fletcher Creek. 1584 Comment
  CDA7557  Onopordum acanthium T. C. Fuller 1958-7-8 902 -58 Modoc Hunt Estate Ranch, Lookout Road, 3.5 miles west of Adin. 0 Comment
  RSA153383  Onopordum acanthium T. C. Fuller 1960-7-27 4992 Modoc Southeast of 4th and East Streets, Alturas Comment
  UCD134668  Onopordum acanthium T. C. Fuller 1959-7-8 A Modoc south side of 4th street, east of East Street, Alturas. Comment
  CAS-BOT-BC49372  Onopordum acanthium subsp. acanthium Bruce Bartholomew; Barrett Anderson 1990-7-19 5395 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC499806  Orobanche corymbosa subsp. corymbosa Clare B. Hardham 1974-8-4 20180 Modoc Headwaters of Dismal and 12 Mile creeks, Warner Mountains 2133 Comment
  UC35319  Orobanche uniflora subsp. occidentalis M. S. Baker and Frank Nutting 1894-6-8 Modoc Near Egg Lake. Comment
  UC27901  Orobanche uniflora subsp. occidentalis Mrs. R. M. Austin 1894-1 Modoc Comment
  SEINET6031268  Orobanche uniflora var. occidentalis M. J. Williams 1968-6-1 1154 Modoc Cedar Pass [Warner Mts.} Comment
  HSC80762  Orthilia secunda G. M. Riegel 1980-8-12 1039 Modoc S Warner Mtns. 1670 Comment
  SJSU9692  Orthocarpus bracteosus W. Savage 1979-7-21 1553 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1584 Comment
  RSA80247  Orthocarpus cuspidatus subsp. copelandii F. W. Peirson 1926-6-25 6871 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  JEPS86677  Orthocarpus cuspidatus subsp. cryptanthus L. R. Heckard and T. I. Chuang 1990-7-14 6758 Modoc ca 2 mi n Cedar Pass (along Old Common Mill Rd, 0.7 mi e of Soldier Creek Rd); n of Cedar Pass 2075 Comment
  UC199368  Orthocarpus cuspidatus subsp. cryptanthus M. F. Gilman 560 Modoc 1981 Comment
  HSC21591  Osmorhiza occidentalis M. T. Milligan 1966-7-3 548 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  RSA97461  Osmorhiza occidentalis F. W. Peirson 1926-6-25 6886 Modoc Small side canyon 1 mile east of summit of Warner Mountains, on Cedarville Road Comment
  CAS-BOT-BC218102  Oxyria digyna Bruce Bartholomew 1992-8-8 6377 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  JEPS5947  Packera cana Frances D. Payne 1931-6-11 151 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS5948  Packera eurycephala Frances D. Payne 1931-6-8 186 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CHSC70718  Packera pseudaurea var. pseudaurea A. Sanger 1997-6-11 2567 Modoc Tri-tip meadow to the west of road where it runs north to south, at old beaver dam site. 1511 Comment
  CAS-BOT-BC190777  Paeonia brownii Frances Payne 1929-7-7 48 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  POM260872  Paeonia brownii Alice Eastwood, John T. Howell 1940-6-13 8117 Modoc Surprise Comment
  RSA59737  Paeonia brownii E. K. Balls 1950-5-20 14795 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  UC1137151  Panicum acuminatum var. acuminatum August L. Hormay 1932-7-10 Modoc Meadow Trail Rush Creek (Junction Hills, Rush Creek) Comment
  CHSC115593  Panicum capillare Lowell Ahart; John Dittes 2015-7-16 20392 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA210775  Panicum capillare J. Henrickson, C. W. Tilforth 1969-9-3 39025 Modoc at SE end of Tule Lake Sump 0.5 mile N of turnoff to Lava Beds National Monument, (2.2 miles E. of NE entrance to monument) 1265 Comment
  CAS-BOT-BC225851  Parnassia fimbriata Bruce Bartholomew 1994-8-21 6866 Modoc Squaw Peak Trail, E side of the Warner Mountains. 2240 Comment
  NY783754  Parnassia fimbriata B. M. Bartholomew 1990-8-4 5651 Modoc Side tributary in upper reaches of Owl Creek drainage, east side of Warner Mountains 2500 Comment
  JEPS9615  Paxistima myrsinites L. S. Smith 1922-5-28 1246 Modoc below ridge Happy Camp Mt.; Modoc Forest, Happy Camp Mt. 1676 Comment
  NY1000969  Paxistima myrsinites M. S. Baker 06 1893 s.n. Modoc Comment
  CHSC109737  Pectiantia pentandra B. Castro; L. P. Janeway 2012-7-27 1972 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
  JEPS28985  Pedicularis groenlandica Frances D. Payne 1929-7-7 66 Modoc Pine Creek Basin; Warner Mountains 2316 Comment
  CAS-BOT-BC232337  Penstemon davidsonii var. davidsonii M. Vasey 1990-6-28 9013 Modoc Trail to summit above N Emerson Lake, South Warner Wilderness 2560 Comment
  CAS-BOT-BC232346  Penstemon davidsonii var. davidsonii Annie Montague Alexander; L. Kellogg 1946-7-1 4890 Modoc 0.5 mi. E of summit Bidwell Creek road. Comment
  CAS-BOT-BC265301  Penstemon davidsonii var. davidsonii John Thomas Howell 1934-6-14 12122 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  UC748177  Penstemon deustus Annie M. Alexander and Louise Kellogg 1946-6-28 4868 Modoc Pine Creek Canyon , Pine Creek Canyon (n end of Warner Mountains) 1615 Comment
  RSA647534  Penstemon deustus Marion P. Harthill 1971-6-23 372 Modoc Fort Bidwell. Comment
  POM43207  Penstemon deustus subsp. deustus R. M. Austin 1890-07 535 Modoc Goose Lake Valley Comment
  UC1012482  Penstemon deustus var. deustus Francis W. Pennell 1940-6-7 25730 Modoc Route 299, 6 mi ne Adin; ne of Adin 1402 Comment
  NY591816  Penstemon deustus var. pedicellatus B. M. Bartholomew 1990-6-15 5223 Modoc Southwest side of Deer Spring Ridge near the border with Lassen Co. 1720 Comment
  HSC20994  Penstemon gracilentus M. T. Milligan 1966-8-3 626 Modoc W slope of Eagle Peak 2439 Comment
  POM229174  Penstemon gracilentus Louis C. Wheeler 1935-8-8 3812 Modoc North Fork Bidwell Creek, Warner Mtns. 2287 Comment
  CAS-BOT-BC245517  Penstemon janishiae K. Paulson; Robert Paulson 1988-6-1 21 Modoc Barnes Grade, Crowder Flat Road to Devil's Garden. 1432 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
  SEINET4854504  Penstemon janishiae Unknown 1978-6-8 8883 Modoc Crowder Flat Rd., 0.5 km (0.3 mi) from junction with California Highway 395 (Alturas). 1340 Comment
  HSC30117  Penstemon procerus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19430 Modoc Near Hager Reservoir Comment
  CHSC117049  Penstemon roezlii Lowell Ahart; John Dittes 2016-6-6 20944 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  NY650099  Penstemon roezlii J. L. Reveal 1971-6-22 2459 Modoc Along U.S. Highway 395 at Davis Creek 1453.9 Comment
  SEINET211449  Penstemon roezlii J. L. Reveal 1971-6-22 2459 Modoc Along US Hwy 395 at Davis Creek 1454 Comment
  JEPS27802  Penstemon roezlii Frances D. Payne 1929-6-28 29 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  RSA504641  Penstemon roezlii Bruce Bartholomew, B. Anderson 1988-6-23 4246 Modoc 4.2 kim NW of Day. 1020 Comment
  SBBG27140  Penstemon roezlii C. L. Hitchcock 1940-5-28 6719 Modoc 15 mi N of Alturas (near Surprise) 1402 Comment
  SEINET3357563 Image available Penstemon roezlii Margaret J. Williams 1984-6-28 84- 68 -1 Modoc Warner Mountains. Stowe Reservoir area, W of Soldier Creek Road. Comment
  CAS-BOT-BC245487  Penstemon rydbergii var. oreocharis M. Vasey 1990-6-30 9029 Modoc Near Lava Camp (road end), Egg Lake. 1300 Comment
  NY651258  Penstemon rydbergii var. oreocharis J. T. Howell 1934-6-12 12022 Modoc Plum Valley, Warner Mountains Comment
  SEINET7948426 Image available Penstemon rydbergii var. oreocharis N. H. Holmgren, P. K. Holmgren 2014-6-13 16550 Modoc Warner Mountains, Plum Valley Road 5.1 km (3.2 miles) road distance southeast US HWY 395 (in the small town of Davis Creek) 1708 Comment
  UC565590  Penstemon rydbergii var. oreocharis F. H. Frost 1925-7-24 135 Modoc Jess Valley Warner Mountains, Jess Valley (s Modoc County) Comment
  UC748178  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-30 4874 Modoc Highgrade n end of Warner Mountains, Highgrade (w side of ridge, n end of Warner Mountains) 2377 Comment
  RSA420365  Penstemon rydbergii var. oreocharis Robert Gustafson 1985-6-13 3164 Modoc Jct of Hwy 49 and Forest Service road 12, Yuba Pass summit. 2043 Comment
  CAS-BOT-BC245543  Penstemon speciosus C. L. Hitchcock 1940-5-27 6666 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC245548  Penstemon speciosus K. Paulson; Robert Paulson 1989-6-14 129 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC245549  Penstemon speciosus Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc 12.5 mi. E of Alturas, road to Warner Mts. Comment
  CAS-BOT-BC245552  Penstemon speciosus Gordon H. True 1964-6-3 1443 Modoc Near Cedar Pass. 1524 Comment
  CAS-BOT-BC245554  Penstemon speciosus Bruce Bartholomew 1990-6-18 5362 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  RSA271899  Penstemon speciosus Christopher Davidson 1975-6-4 2613 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  SEINET11138449  Penstemon speciosus N. H. Holmgren, Patricia K. Holmgren 1978-1 8879 Modoc U.S. Highway 395, 9.5 km (5.9 miles) north of Davis Creek 1490 Comment
  RSA11915  Penstemon speciosus Elmer I. Applegate 1932-8-1 8037 Modoc High arid summit of Warner Mountains, south of Warren Peak. Comment
  CAS-BOT-BC140471  Peraphyllum ramosissimum Malcom A. Nobs; S. Galen Smith 1949-5-29 766 Modoc East of Kelley Hot Springs Comment
  RSA59528  Peraphyllum ramosissimum E. K. Balls 1950-5-20 14811 Modoc Above South Fork Public Camp, on slope south of river, Likely to Jess Valley. 1433 Comment
  RSA77089  Peraphyllum ramosissimum F. W. Peirson 1926-6-26 6905 Modoc Hill slope in broken country, between Alturas and Canby. Comment
  CHSC39005  Perideridia kelloggii J. D. Jokerst 1983-7-18 1857 Modoc North of Miles Flat west of and adjacent to Road 5500 at its jct. with the center of section. Comment
  UC20886  Perideridia oregana Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  CAS-BOT-BC218104  Persicaria amphibia Bruce Bartholomew 1995-8-1 7138 Modoc 14.8 km N of turn off to Cedarville on U.S. Hwy 395 and 8 km S of Davis Creek. 1450 Comment
  CHSC116077  Persicaria lapathifolia Lowell Ahart; John Dittes 2015-7-16 20174 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC218157  Persicaria maculosa L. A. M. Black 1894-9-1 62 Modoc Davis Creek. Comment
  JEPS1607  Phacelia adenophora J. G. Lemmon June, 1879 Modoc Surprise Valley and Pyramid Lake Comment
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May 4 2015
  CAS-BOT-BC179278  Phacelia glandulifera Bruce Bartholomew; Barrett Anderson 1989-6-2 4815 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  NY1055054  Phacelia glandulifera J. G. Lemmon 06 1879 s.n. Modoc Surprise Valley and near Susanville Comment
  CAS-BOT-BC179273  Phacelia hastata subsp. compacta Bruce Bartholomew; Barrett Anderson 1990-7-19 5422 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC179260  Phacelia hastata subsp. hastata Annie Montague Alexander; L. Kellogg 1946-6-30 4870 Modoc Highgrade, W side of ridge. 2377 Comment
  CAS-BOT-BC179266  Phacelia hastata subsp. hastata Lawrence Ray Heckard 1952-6-19 316 Modoc Ca. 7 mi. N of Alturas along Hwy 395. 1341 Comment
  RSA531368  Phacelia hastata subsp. hastata Bruce Bartholomew, B. Anderson 1990-7-20 5527 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  HSC81101  Phacelia heterophylla G. M. Riegel 1980-6-30 776 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC180010  Phacelia heterophylla subsp. virgata Roxana Stinchfield Ferris; R. Duthie 1919-6-15 85 Modoc Above Parker Creek. 1676 Comment
  CAS-BOT-BC180016  Phacelia heterophylla subsp. virgata Lawrence Ray Heckard 1952-6-19 311 Modoc Slope above Cedar Pass. 2011 Comment
  SJSU9627  Phacelia heterophylla subsp. virgata W. Savage 1979-7-7 1441 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1499 Comment
  UC672409  Phacelia heterophylla subsp. virgata F. H. Frost 1925-7-24 107 Modoc Jess Valley Warner Mts. Comment
  CAS-BOT-BC180005  Phacelia heterophylla subsp. virgata Elmer Ivan Applegate 1935-6-8 9413 Modoc Near and W of Indian Well, Lava Beds National Monument. Comment
  HSC13655  Phacelia heterophylla subsp. virgata M. T. Milligan 1965-6-27 351 Modoc E slope of eroded volcanic plateau. 1677 Comment
  RSA427984  Phacelia heterophylla subsp. virgata Christopher Davidson 1975-6-4 2594 Modoc 0.4 mile east of Highway 395 on Highway 299 toward Cedarville. Fenced pasture on south side of road. 1380 Comment
  HSC81072  Phacelia humilis G. M. Riegel 1978-7-11 50 Modoc South Warner Mtns. 1670 Comment
  UC1036007  Phacelia humilis Helen K. Sharsmith 1955-6-22 4489 Modoc just n Cedar Pass; Warner Mountains, Modoc National Forest 1889 Comment
  UC1586866  Phacelia humilis Juha Pykala and D. H. Norris 1987-5-28 1198 Modoc n slope near Thoms Creek; Modoc National Forest, Cedar Pass Campground 1780 Comment
  SBBG15881  Phacelia humilis H. and M. Dearing 1939-6-7 3583 Modoc E of Alturas on Cedarville Rd Comment
  CAS-BOT-BC179973  Phacelia humilis var. humilis John Thomas Howell 1934-6-13 12062 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC179982  Phacelia humilis var. humilis Annie Montague Alexander; L. Kellogg 1946-7-18 5012 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC179990  Phacelia humilis var. humilis Francis Dorris Payne 1929-7-26 119 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC179995  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1988-6-11 29 Modoc N of Stough Reservoir, Warner Mts.. 1706 Comment
  CAS-BOT-BC180000  Phacelia humilis var. humilis Alice Eastwood; John Thomas Howell 1940-6-13 8185 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC179966  Phacelia inundata Milo Samuel Baker 1936-6-14 8307 Modoc Marlin to Canby several mi N of Quarantine Station. Comment
  CAS-BOT-BC179947  Phacelia linearis Annie Montague Alexander; L. Kellogg 1946-6-18 4798 Modoc Patterson Mill-Silver Creek Rd. 1828 Comment
  POM127626  Phacelia linearis Milo S. Baker 1887-1 s.n. Modoc Forestdale Comment
  UC932005  Phacelia linearis Verne Grant and Alva Grant 1947-7-13 8017 Modoc Fandango Pass Warner Mountains Comment
  JEPS4040  Phacelia linearis Frances D. Payne 1929-6-22 17 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SJSU9658  Phacelia linearis W. Savage 1979-7-8 1494 Modoc E end Fairchild Swamp Unit Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC748442  Phacelia linearis Annie M. Alexander and Louise Kellogg 1946-6-18 4796 Modoc open ground Patterson Mill-Silver Creek roads 1828 Comment
  CAS-BOT-BC179930  Phacelia ramosissima var. eremophila Clare Butterworth Hardham 1961-6-20 7872 Modoc Pine Creek Canyon. 1676 Comment
  CAS-BOT-BC179935  Phacelia ramosissima var. ramosissima Alice Eastwood; John Thomas Howell 1940-6-13 8116 Modoc Surprise Valley. Comment
  CAS-BOT-BC179936  Phacelia ramosissima var. ramosissima Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2156 Modoc Cedar Peak. Comment
  UC748116  Phacelia ramosissima var. ramosissima Annie M. Alexander and Louise Kellogg 1946-7-24 5066 Modoc trail to Emerson Camp Warner Mountains, Bear Camp Flat Comment
  CAS-BOT-BC248349  Phacelia sericea var. ciliosa B. Bartholomew; H. Sun 2002-6-24 8832 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  JEPS1335  Phacelia sericea var. ciliosa L. S. Smith 1918-8-17 1038 Modoc Eagle Pk. Ridge Modoc <National> Forest, Warner Mts. (at Break) 2621 Comment
  CAS-BOT-BC179919  Phacelia tetramera Bruce Bartholomew 1991-5-24 5691 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 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-BC179924  Phacelia tetramera Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6463 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC179908  Phacelia thermalis Milo Samuel Baker 1899-8-18 Modoc Hot Spring Valley. Comment
  CAS-BOT-BC179909  Phacelia thermalis John Thomas Howell 1934-6-30 12270 Modoc Duncan Horse Camp. 1355 Comment
  JEPS101028  Phacelia thermalis Dean W. Taylor 1988-8-11 10041 Modoc near Lone Pine Lake 1383 Comment
  UC526142  Phacelia thermalis John Thomas Howell 1934-6-30 12270 Modoc Duncan Horse Camp Comment
  HSC10583  Phleum alpinum M. T. Milligan 1965-7-10 427 Modoc W slope of Eagle Peak. 2439 Comment
  JEPS74043  Phleum alpinum Frances D. Payne 1932-7-21 726 Modoc edge Patterson Lake (e side Mt. Warren); Warner Mountains, , edge of Patterson Lake Comment
  CAS-BOT-BC247595  Phleum pratense Roxana Stinchfield Ferris; R. Duthie 1919-6-14 148 Modoc Parker Creek near Modock National Forest boundary. Comment
  CAS-BOT-BC247596  Phleum pratense Bruce Bartholomew 1989-7-14 4967 Modoc Ca. 8 km NW of Lookout. 1300 Comment
  HSC37475  Phleum pratense A. M. Montalvo, J. D. Ackerman 1974-7-4 361 Modoc Howard's Gulch, 6 mi. NW of Canby, off Hwy. 139. Comment
  CHSC39481  Phlox caespitosa Jeanie M. Thayer 1984-4-14 1 Modoc Ca. 50 ft. s of Hwy 299, ca. 4 mi. ene of jct. of hwys 299 and 395. Ca. 10 mi ene of Alturas. 1463 Comment
  UCSB17308  Phlox diffusa J. Haller 1961-6-25 1865 Modoc CA 3 MI S OF PATTERSON RANGER STATION (EAGLEVILLE-LIKELY RD; CA 0.5 MI W OF CREST OF WARNER MOUNTAINS) 2285 Comment
  RSA11971  Phlox diffusa subsp. diffusa Elmer I. Applegate 1932-7-9 7572 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC197927  Phlox douglasii subsp. rigida Bruce Bartholomew 1990-6-15 5248 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC197942  Phlox douglasii subsp. rigida M. M. Hanna 1956-6-3 939 Modoc Highway between Alturas and Cedarville. Comment
  RSA59706  Phlox douglasii subsp. rigida E. K. Balls 1950-5-18 14748 Modoc Above Upper Rush Creek Public Camp, 2.5 miles east from Highway 299. 1829 Comment
  JEPS3969  Phlox douglasii subsp. rigida N. T. Mirov 1929-5-30 Modoc e of Goose Lake (w of Fandango Valley); Warner Mountains, Buck Creek 1584 Comment
  UC23596  Phlox gracilis Mrs. R. M. Austin Apr 1894 Modoc Goose Lake Valley Comment
  CDA40288  Phlox gracilis T. C. Fuller 1961-5-17 6955 Modoc Between the railroad and Highway 395, 1 mile northwest of Alturas. 0 Comment
  CAS-BOT-BC197884  Phlox hoodii subsp. canescens Bruce Bartholomew 1993-6-14 6659 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  HSC68923  Phlox hoodii subsp. canescens Gary Schoolcraft 1980-4-17 207 Modoc W of Wade Williams Spring, S of Alturas. 1463 Comment
  UC1602185  Phlox hoodii subsp. canescens Mrs. M. H. Manning 1917-1 Modoc e of Lake City (ridge between Middle and Lower Lakes, ne Cedarville); Cedarville Comment
  SEINET7073581  Phlox pulvinata A. G. Vestal 1955-5-18 s.n. Modoc About 3.2 miles east of Aden on Route 87. UTM Zone 10, 666674mE, 4563618mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC197882  Phlox speciosa Lillian Mott 1976-5-29 12 LM76 Modoc Devils Garden, ca. 12 mi. NW of Alturas on Crowder Flat Road. 1402 Comment
  RSA550546  Phlox speciosa subsp. occidentalis Bruce Bartholomew 1992-5-17 6344 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir 1460 Comment
  CAS-BOT-BC197860  Phlox stansburyi Alice Eastwood; John Thomas Howell 1940-6-14 8201 Modoc Near Kelly Hot Spring. Comment
  CAS-BOT-BC197865  Phlox stansburyi Belknap C. Goldsmith 1912-5-8 45 Modoc 8 mi. NW of Alturas. Comment
  CAS-BOT-BC197873  Phlox stansburyi Bruce Bartholomew 1991-5-25 5744 Modoc McGinty Point, SW side of Goose Lake. 1470 Comment
  CAS-BOT-BC197878  Phlox stansburyi Bruce Bartholomew; Barrett Anderson 1989-6-2 4847 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC197879  Phlox stansburyi Bruce Bartholomew; Barrett Anderson 1989-4-29 4670 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  RSA59968  Phlox stansburyi E. K. Balls 1950-5-13 14686 Modoc 14 miles south of Oregon - California state line, along the west shore road, Goose Lake 1494 Comment
  HSC6880  Phoenicaulis cheiranthoides M. T. Milligan 1967-7-8 663 Modoc W slope of Eagle Peak 2500 Comment
  JEPS54275  Phoenicaulis cheiranthoides L. S. Smith 1917-6-2 784 Modoc Warner Mountains, Jess Valley Jess Valley; Warner Mountains, Jess Valley 1371 Comment
  UC1037295  Phoenicaulis cheiranthoides Leo Whitney 1934-5-20 1656 Modoc Modoc National Forest, Devil's Garden, northeast portion of county Devil's Garden; Modoc National Forest, Devil's Garden 1524 Comment
  UC1093649  Phoenicaulis cheiranthoides Herbert L. Mason 1957-7-6 14720 Modoc Mill Creek; Warner Mountains, Mill Creek Comment
  UC71679  Phoenicaulis cheiranthoides Mrs. M. H. Manning 1903-4-12 63 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  UCD89835  Phragmites australis P. B. Kennedy 1915-9-5 s.n. Modoc Adin. Comment
  CAS-BOT-BC58640  Physaria occidentalis Bruce Bartholomew 1991-8-5 6067 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  CAS-BOT-BC478167  Pinus albicaulis John Thomas Howell 1934-6-14 12109 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  CAS-BOT-BC73413  Pinus albicaulis Elmer I. Applegate 1932-7-7 8220 Modoc Top of Yellow Mt., near Lily Lake, Warner Mountains. 2 miles s. of Oregon line. 2438 Comment
  CAS-BOT-BC73416  Pinus albicaulis Elmer I. Applegate 1932-8-3 8131 Modoc Summit of Eagle Peak, Warner Mountains. 3019 Comment
  UC496207  Pinus albicaulis Elmer I. Applegate 1932-7-31 7991 Modoc Mill Creek Meadow Warner Mts., Pit River (head of river) 2438 Comment
  CAS-BOT-BC30200  Pinus contorta subsp. murrayana Bruce Bartholomew 1990-8-5 5686 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2400 Comment
  UCSB121  Pinus contorta subsp. murrayana Haller, John 1959-08 Modoc 0.5 miles west of the crest of the Warner Mtns, 3 miles east of Patterson Ranger Station and camp ground on road between Blue lake and Lower Alkali Lake 2286 Comment
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Aug 2 2019
  CAS-BOT-BC73168  Pinus jeffreyi Elmer I. Applegate 1932-8-4 8143 Modoc About 3 miles above Cantral Mill, Cherry Creek, on road to Mill Creek Meadows, Warner Mountains. 2133 Comment
  CAS-BOT-BC30157  Pinus lambertiana Belknap C. Goldsmith 1912-7-5 62 Modoc Widow Valley, 15 mi. W of Lookout (Big Valley). 1402 Comment
  CAS-BOT-BC73023  Pinus monticola Marion Ownbey; Fred G. Meyer 1940-7-1 2153 Modoc Near summit of Clear Peak, Warner Mts. 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
  CAS-BOT-BC79038  Pinus ponderosa John Thomas Howell 1934-6-16 12205 A Modoc Parker Creek, Warner Mts. 1584 Comment
  HSC80916  Pinus ponderosa G. M. Riegel 1979-8-23 700 Modoc S Warner Mtns. 1670 Comment
  UC117020  Piperia unalascensis Mrs. R. M. Austin Aug 1894 129 Modoc Lassen Creek Comment
  CAS-BOT-BC58785  Plagiobothrys bracteatus Bruce Bartholomew; Barrett Anderson 1988-6-23 4250 Modoc 4.2 km NW of Day. 1020 Comment
  CHSC117877  Plagiobothrys cognatus L. P. Janeway 2016-5-16 11976 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  UC100870  Plagiobothrys cusickii Milo S. Baker Modoc Comment
  JEPS121220  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2013-7-24 18921 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
  JEPS127158  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2016-7-16 21255 Modoc South of Ash Creek State, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.7 miles (air) west of Adin Big Valley. Comment
  JEPS13889  Plagiobothrys hispidulus Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3743 Modoc at railroad crossing 3/4 mi e Canby (along US Hwy 299) 1310 Comment
  CAS-BOT-BC58790  Plagiobothrys leptocladus Annie Montague Alexander; L. Kellogg 1946-6-7 4675 Modoc 2 mi. E of Cedarville. 1453 Comment
  RSA0118718  Plagiobothrys leptocladus L. P. Janeway, B. Castro 2014-6-3 11321 Modoc Great Basin. Big Mud Lake, near the northwest edge. 1637 Comment
  UC1587084  Plagiobothrys mollis G. Schoolcraft 1991-6-18 2163 Modoc w of Highway 299 about 4 mi ne Adin 1304 Comment
  UC1191651  Plagiobothrys mollis Verne Grant, Herbert L. Mason 1947-7-12 13407 Modoc sw Alturas (w side South Fork Pit River Valley); w side South Fork Pit River Valley Comment
  CAS-BOT-BC58727  Plagiobothrys mollis var. mollis Elmer Ivan Applegate 1929-7-27 6085 Modoc Clear Lake Dam, N side of Clear Lake. Comment
  CAS-BOT-BC58797  Plagiobothrys mollis var. mollis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16523 Modoc Near Cloverswale Creek, 4.8 mi. NE of Canby. Comment
  CAS-BOT-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
  RSA152443  Plagiobothrys salsus I. L. Wiggins, Dorothy Wiggins 1961-6-12 16446 Modoc Lane on Phipp s Ranch, about 14 miles N of Cedarville, Suprise Valley. Comment
  CAS-BOT-BC58743  Plagiobothrys scouleri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16510 Modoc 13 mi. W of Canby, along Hwy 139. Comment
  CAS-BOT-BC58749  Plagiobothrys scouleri Louis Cutter Wheeler 1935-8-16 3865 Modoc Dismal Swamp, Modoc National Forest 2225 Comment
  UC1560400  Plagiobothrys scouleri E. Joyal and D. Mehlman 1988-6-27 1287 Modoc Jess Valley Warner Mts. 1500 Comment
  RSA59935  Plagiobothrys scouleri var. hispidulus E. K. Balls 1950-5-13 14667 Modoc Goose Lake, east shore, near Willow Ranch. 1463 Comment
  RSA611432  Plagiobothrys stipitatus var. micranthus L. C. Wheeler 1935-8-18 3893 Modoc 2 miles northeast of Alturas 1357 Comment
  CAS-BOT-BC58773  Plagiobothrys tenellus Bruce Bartholomew; Barrett Anderson 1989-4-27 4630 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  CHSC67090  Plagiobothrys tenellus James D. Jokerst 1987-5-12 2853 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  CAS-BOT-BC190749  Plantago lanceolata Bruce Bartholomew 1990-8-3 5614 Modoc 8 km E of Likely on road to Jess Valley. Along S Fork of the Pit River. 1420 Comment
  CAS-BOT-BC190748  Plantago major Bruce Bartholomew 1990-8-3 5615 Modoc 8 km E of Likely on road to Jess Valley. Along S Fork of the Pit River. 1420 Comment
  UC429189  Platanthera Franklin P. Nutting Modoc Taylor Creek, n California Taylor Creek Comment
  CAS-BOT-BC242216  Platanthera dilatata var. leucostachys Bruce Bartholomew 1990-6-17 5326 Modoc Field redacted by CAS, contact the data manager for more information 1420 Comment
  CAS-BOT-BC242206  Platanthera stricta K. Paulson; Robert Paulson 1989-7-14 184 Modoc Field redacted by CAS, contact the data manager for more information 1987 Comment
  UC1586959  Plectritis Juha Pykala and D. H. Norris 1987-5-27 1009 Modoc Modoc National Forest, Lower Rush Creek Campground Lower Rush Creek Campground; Modoc National Forest, Lower Rush Creek Campground 1430 Comment
  HSC21683  Plectritis macrocera M. T. Milligan 1964-6-20 52 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  JEPS26657  Plectritis macrocera Lauramay T. Dempster 1961-6-19 1708 Modoc middle fork Davis Creek, e of Davis Creek (town) Davis Creek 1645 Comment
  UCSB16506  Plectritis macrocera Haller, John 1962-6-7 Modoc Little Meadows campground, South Fork of the Pit River, 8 miles east of Likely, 1.5 miles west of the western end of Jess Valley, Warner Mountains 1524 Comment
  CAS-BOT-BC247584  Poa bulbosa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16527 Modoc 4.6 mi. N of Adin. Comment
  HSC80830  Poa bulbosa G. M. Riegel 1980-6-30 788 Modoc S Warner Mtns. 2100 Comment
  UCD90686  Poa bulbosa M. V. Maxwell 1930-1 s.n. Modoc Adin. Comment
  HSC10656  Poa bulbosa M. T. Milligan 1964-6-20 74 Modoc Old Rodeo Grounds, Alturas. 1372 Comment
  SEINET201657 Image available Poa canbyi Unknown 1959-6-19 8491 Modoc At Clear Lake; Warner Mts. 15 miles east of Likely . 1769 Comment
  CAS-BOT-BC247579  Poa cusickii Bruce Bartholomew 1989-7-15 4993 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC247582  Poa cusickii Leland S. Smith 1922-7-7 1258 Modoc High Grade hill. 2133 Comment
  CAS-BOT-BC247578  Poa cusickii John H. Hatton 1911-6-12 51 Modoc Modoc County. 1463 Comment
  HSC80837  Poa cusickii subsp. epilis G. M. Riegel 1979-7-28 618 Modoc South Warner Mtn. 1829 Comment
  HSC80838  Poa pratensis G. M. Riegel 1979-7-13 527 Modoc South Warner Mtns. 2100 Comment
  RSA534587  Poa pratensis Bruce Bartholomew, B. Anderson 1990-7-21 5580 Modoc Homestead Flat, ca. 2.5 km E. of Patterson Ranger Station, E. side of Warner Mts. 2160 Comment
  SEINET190964 Image available Poa pratensis A. A. Beetle 1941-6-29 2822 Modoc 15 miles east of Alturas road to Cederville Pass. 1372 Comment
  SEINET10966925  Poa pratensis Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2615 Modoc 4 mi S of Davis Creek on US Hwy 395; in very mesic grassland-sedge meadow; lupines very sparse and approximately a week or more behind the flowering of those near Alturas. 1402 Comment
  RSA602386  Poa secunda L. C. Wheeler 1935-8-2 3742 Modoc Dismal Swamp, Twenty Mile Creek; Warner Mountains 2226 Comment
  UCD90410  Poa secunda J. C. Hayes 1935-6-25 s.n. Modoc Alturas. Comment
  CHSC115478  Poa secunda subsp. juncifolia L. P. Janeway 2014-7-8 11455 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
  UCD92149  Poa secunda subsp. juncifolia Collector Unknown 1934-5-14 s.n. Modoc Alturas. Comment
  UCD92431  Poa secunda subsp. juncifolia L. Whitney 1935-5-26 3157 Modoc Ash Creek, 10 miles E of Adin. Comment
  CHSC67417  Poa secunda subsp. secunda James D. Jokerst 1986-8-11 2758 Modoc Radar Site Survey S of Doublehead Mtn., S of road to Doublehead Mtn., in vernal pool. Comment
  HSC9776  Poa secunda subsp. secunda M. T. Milligan 1964-7-25 170 Modoc Pine Creek Basin, along trail. 2439 Comment
  JEPS70660  Poa secunda subsp. secunda L. S. Smith 1917-7-2 56 Modoc head of Shields Creek; Warner Mts 2331 Comment
  UC1024928  Poa secunda subsp. secunda Leo Whitney 1935-6-29 3350 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  CAS-BOT-BC247656  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5501 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  RSA0025583  Poaceae John F. Emmel 1996-7-16 1437 Modoc Larkspur Hills east of Surprise Valley; along west side of Fee Reservoir adjacent to campground. 1610 Comment
  UC1191805  Pogogyne floribunda Herbert L. Mason 1947-8-9 13474 Modoc east side of Fairchild Swamp north of Alturas. Comment
  CAS-BOT-BC197847  Polemonium micranthum Alice Eastwood; John Thomas Howell 1940-6-12 8057 Modoc Between Likely and Jess Valley. Comment
  CHSC85187  Polemonium micranthum John Dittes; Josephine Guardino 1991-6-1 378 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
  UC176043  Polemonium micranthum B. C. Goldsmith 1912-5-1 Modoc Alturas 1371 Comment
  UC1561255  Polyctenium fremontii Barbara Ertter 1988-6-18 7611 Modoc w side Highway 139 just s of where it crosses railroad at jct to Clear Lake (ne of Dry Lake e of Lava Beds National Monument); ne of Dry Lake e of Lava Beds National Monument 1249 Comment
  CAS-BOT-BC58451  Polyctenium fremontii var. fremontii F. Angwin 1946-4-21 Modoc Stone Coal Canyon, 12 mi. from Adin. 1280 Comment
  UC17451  Polygala cornuta var. cornuta Milo S. Baker 1893-6 Modoc Dunsmuir Sac. Canyon Comment
  JEPS94073  Polygonum amphibium var. emersum Vernon H. Oswald and Lowell Ahart 1998-9-8 9592 Modoc ca. 0.5 mi. n.e. Lookout Junction (County Rd. 95 at Taylor Creek n.w. of Lookout); Taylor Creek 1280 Comment
  SEINET4936529 Image available Polygonum austinae Unknown 1885-1 s.n. Modoc Goose Lake Valley [Modoc County, on the northern border of the State] Comment
  CAS-BOT-BC218123  Polygonum austiniae John Thomas Howell 1934-6-12 12033 A Modoc Plum Valley, Warner Mts. Comment
  NY404673  Polygonum austiniae R. M. Austin 1886-1 s.n. Modoc Comment
  CAS-BOT-BC218128  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1989-6-2 4780 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  CAS-BOT-BC218129  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1989-6-2 4781 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  SEINET516151  Polygonum douglasii Vernon H. Oswald 1998-9-8 9589 Modoc County Rd. 93 adjacent to the RR at Lookout Junction northwest of Lookout. 1280 Comment
  RSA170179  Polygonum douglasii F. Payne 1935-7-6 784 Modoc Parker Creek, Warner Mtns, S and E of Alturas. 1585 Comment
  JEPS50564  Polygonum douglasii subsp. douglasii W. L. Jepson 1931-8-7 15982 Modoc Fresno Grove Big Trees 1889 Comment
  NY412807  Polygonum kelloggii var. kelloggii B. M. Bartholomew 1988-5-12 4097 Modoc White Horse 15' Quad. 1340 Comment
  RSA210874  Polygonum lapathifolium Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39020 a Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  UC1101142  Polygonum lapathifolium Herbert L. Mason 1947-8-8 13466 Modoc nw Alturas (sw margin of reservoir); Big Sage Reservoir Comment
  CAS-BOT-BC218161  Polygonum polygaloides Bruce Bartholomew 1991-7-5 5935 Modoc Cow Head Tank, ca. 6 km NW of Dorris Brothers Reservoir. 1520 Comment
  RSA518941  Polygonum polygaloides Bruce Bartholomew, B. Anderson 1988-6-23 4244 Modoc 4.2 kim NW of Day. 1020 Comment
  UC1060643  Polygonum polygaloides Herbert L. Mason 1957-7-6 14725 Modoc Rim Rock, West of Goose Lake Comment
  CAS-BOT-BC218172  Polygonum polygaloides subsp. confertiflorum Leland S. Smith 1922-7-7 1260 Modoc High Grade Hill and Dismal Swamp. 2316 Comment
  CHSC14077  Polygonum polygaloides subsp. confertiflorum K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5826 Modoc W side of Egg Lake. 1775 Comment
  JEPS86718  Polygonum polygaloides subsp. confertiflorum John Hale 1990-7-10 Modoc 16 mi wnw of Canby (adjacent to CA Highway 139, near concrete spillway of water project, w Modoc County) Comment
  JEPS98241  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-18 1412 Modoc 14 mi NW of Canby (on N side of Hwy 139; ca 0.9 mi e of FSR 44N11) 1466 Comment
  RSA65860  Polygonum polygaloides subsp. confertiflorum Alice Eastwood, John T. Howell 1940-6-14 13052 Modoc 8 miles NW of Canby Comment
  UC1748338  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3214 Modoc Hwy 139 NW of Canby (S of hwy., 4.7 mi W of jct. with Loveness Road) Comment
  UCD77954  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-7-18 1398 Modoc Ca. 12 mi nw of Canby, along Hwy 139, 1.6 mi e of Forest Service Rd 44N11. 1490 Comment
  UC1112255  Polygonum polygaloides subsp. confertiflorum R. C. Bacigalupi with S. Galen Smith 1957-6-27 5982 Modoc along State Hwy 139 ca 9 mi nw Canby 1493 Comment
  UC6711  Polygonum polygaloides subsp. confertiflorum Mrs. R. M. Austin June, 1894 Modoc lava beds w Willow Creek Comment
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Jul 6 2010
  CAS-BOT-BC27102  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden. Modoc National Forest 1524 Comment
  CHSC67591  Polygonum polygaloides subsp. esotericum James D. Jokerst 1990-8-2 3215 Modoc S of Hwy. 139 NW of Canby, 4.7 mi W of junction with Loveness Rd. Comment
  CHSC81396  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1407 Modoc Ca. 13 mi nw of Canby, along n side of Hwy 139, ca. 300 ft e of Forest Service Rd 44N11. 1481 Comment
  SJSU9554  Polygonum polygaloides subsp. esotericum W. Savage 1979-7-3 1292 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC81006  Polygonum sawatchense subsp. sawatchense G. M. Riegel 1979-8-11 638 Modoc S Warner Mtns. 2100 Comment
  CDA13459  Polygonum spergulariiforme G. F. Hrusa, T. D. Wilfred 1996-7-21 13306 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC106191  Polypogon monspeliensis Lowell Ahart; John Dittes 2010-8-31 17134 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
  JEPS74064  Polypogon monspeliensis Frances D. Payne 1935-7-28 805 Modoc s and e Alturas (hills n Parker Creek); Warner Mountains, hills n Parker Creek Comment
  UCD91407  Polypogon monspeliensis L. Whitney 1935-7-17 3514 Modoc Modoc National Forest. Lake Joaquina, Hackamore, ca. 15 miles NW of Canby 1463 Comment
  JEPS48052  Populus tremuloides Frances D. Payne 1931-7-5 326 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  SEINET11984746  Populus trichocarpa E. K. Balls 1950-1 14610 Modoc W of Middle Lake, between Eagleville and Cedarville 1433 Comment
  CAS-BOT-BC95150  Porterella carnosula Bruce Bartholomew 1995-6-23 7001 Modoc 3.4 km from Goose Lake on road to Meteorite Tank. 1600 Comment
  UCR101261  Porterella carnosula L. C. Wheeler 1935-8-3 3756 Modoc Warner Mtns, Rock Lake, Pine Creek 1921 Comment
  SD230197  Porterella carnosula Louis C. Wheeler 1935-8-3 3756 Modoc Warner Mountains: Rock Lake, Pine Creek. Sunny bottom of dried pool 1920 Comment
  UC1099879  Potamogeton epihydrus Verne Grant, Irving Schneider 1947-7-22 8134 Modoc n of Alturas (North Fork Pit River by confluence with Gleason Creek on Hwy 395); North Fork Pit River Comment
  POM313001  Potamogeton epihydrus var. epihydrus Verne Grant, Irving Schneider 1947-7-21 8127 Modoc N Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  RSA210807  Potamogeton foliosus Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39095 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC242238  Potamogeton gramineus Malcom A. Nobs; Calvin McMillan 1949-6-16 788 Modoc Dry Valley Reservoir, 33 mi. NNW of Alturas. Comment
  CAS-BOT-BC242239  Potamogeton gramineus Milo Samuel Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley. Comment
  CAS-BOT-BC242233  Potamogeton natans Bruce Bartholomew 1991-6-23 5875 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  UC431  Potamogeton natans Milo S. Baker 1893-6 Modoc Egg Lake Comment
  UC1100033  Potamogeton pusillus var. pusillus Herbert L. Mason, Verne Grant 1947-7-11 13382 Modoc 1 mi e of Likely (on road from Likely to Jess Valley) Comment
  UC1100094  Potamogeton richardsonii Malcolm A. Nobs, S. Galen Smith 1949-7-22 1068 Modoc South Fork of Pit River (Likely, in Pit River) Comment
  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
  UC1746076  Potamogeton zosteriformis Annetta M. Carter 1946-8-18 1774 Modoc Canby Creek W of Canby. Comment
  RSA59545  Potentilla anserina E. K. Balls 1950-5-10 14595 Modoc West shore Middle Lake, near Cedarville. 1402 Comment
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Feb 22 2013
  CDA42914  Potentilla biennis L. Ahart, John Dittes 2012-7-1 18307 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
  CHSC110889  Potentilla biennis Lowell Ahart; John Dittes 2012-7-10 18307 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC114020  Potentilla biennis B. Castro; L. P. Janeway 2014-6-3 2005 Modoc Great Basin. Within the generally bare drawdown zone of Fee Reservoir. 1590 Comment
  CAS-BOT-BC214743  Potentilla breweri Leland S. Smith 1924-6-9 1389 Modoc Flat along edge of Lavas, Egg Lake. Comment
  CAS-BOT-BC214748  Potentilla breweri Annie Montague Alexander; L. Kellogg 1946-6-30 4872 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  HSC75589  Potentilla breweri G. M. Riegel 1980-8-14 1068 Modoc S Warner Mtns. 2100 Comment
  UC545667  Potentilla drummondii subsp. bruceae Louis C. Wheeler 1935-8-1 3734 B Modoc Dismal Swamp, Twenty-Mile Creek Warner Mts, Dismal Swamp, Twenty-Mile Creek 2225 Comment
  CAS-BOT-BC214777  Potentilla gracilis Bruce Bartholomew; Barrett Anderson 1988-7-21 4424 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  JEPS47214  Potentilla gracilis Frances D. Payne 1931-6-25 251 Modoc 2 mi sw Warren Mt. (southeastern Modoc County); Warner Mts., Pine Creek Basin, sw of Warren Mt. 2316 Comment
  HSC18745  Potentilla gracilis var. fastigiata M. T. Milligan 1964-7-1 102 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  HSC80693  Potentilla gracilis var. fastigiata G. M. Riegel 1979-8-13 661 Modoc S Warner Mtns. 1670 Comment
  UC748062  Potentilla gracilis var. fastigiata Annie M. Alexander and Louise Kellogg 1946-6-20 4810 A Modoc Eagleville. 1440 Comment
  UC12520  Potentilla gracilis var. flabelliformis M. S. Baker and Frank Nutting 1894-1 Modoc near Egg Lake; near Egg Lake Comment
  UC420583  Potentilla gracilis var. flabelliformis W. P. Taylor and H. C. Bryant 1910-7-11 Modoc Alturas Warner Mountains, South Fork Pitt River (South Fork Pitt River) 1402 Comment
  JEPS102296  Potentilla newberryi Steve Edwards 2002-7-14 Modoc Davil's Garden, E end of Big Sage Reservoir dam. Comment
  RSA252486  Potentilla palustris Robert F. Thorne 1969-9-5 39162 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  POM312885  Potentilla rivalis H. L. Mason 1947-8-13 13518 Modoc Northeast side of 'F' reservoir, north of Canby Comment
  CAS-BOT-BC225027  Poteridium annuum Bruce Bartholomew; Barrett Anderson 1988-6-23 4240 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 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
  RSA648505  Prunus emarginata Marion P. Harthill 1972-6-17 843 Modoc Cedar Pass 1921 Comment
  UC466750  Prunus emarginata Belknap C. Goldsmith 1911-6-15 34 Modoc North Fork Davis Creek, w slope Warner Mountains, Modoc National Forest Davis Creek; Warner Mountains, Modoc National Forest, Davis Creek 2011 Comment
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Nov 27 2011
  NY849337  Prunus subcordata N. H. Holmgren 1998-5-30 12994 Modoc Surprise Valley, Fort Bidwell-Cedarville road, 1.8 km (1.1 mi) south of the Fandango Pass road and 31.2 km (19.4 mi) north of downtown Cedarville 1370 Comment
  NY849338  Prunus subcordata R. J. Weatherby 1955-7-8 1630 Modoc 6 miles north of Fort Bidwell, Warner Mountains 1646 Comment
  CAS-BOT-BC214811  Prunus subcordata R. M. Austin 1884-6-1 s.n. Modoc Modoc County. Comment
  JEPS44714  Prunus virginiana var. demissa Frances D. Payne 1929-6-21 12 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC748224  Prunus virginiana var. demissa Annie M. Alexander and Louise Kellogg 1946-6-5 4659 Modoc 1 1/2 mi s of Eagleville (Emerson Creek); Warner Mountains, Emerson Creek 1783 Comment
  UC1037279  Pseudognaphalium thermale Leo Whitney 1934-8-2 1746 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  JEPS34063  Pseudognaphalium thermale L. S. Smith 1922-1-1 Modoc Modoc National Forest Comment
  UCD32717  Pseudoroegneria spicata Beecher Crampton 1954-7-7 2149 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, on volcanic slopes. 1615 Comment
  UCD91502  Pseudoroegneria spicata Beecher Crampton; with Carl Rimbey 1954-7-7 2133 Modoc West side of Cedar Pass, Warner Mountains. 1889 Comment
  UCD91505  Pseudoroegneria spicata Beecher Crampton; Carl Rimbey 1954-7-8 2183 Modoc west slope of Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  UCD91518  Pseudoroegneria spicata R. Tofsrud 1947-7-1 210 Modoc Between Alturas and Cedarville. Comment
  CAS-BOT-BC252550  Pseudoroegneria spicata subsp. spicata John H. Hatton 1911-6-10 29 Modoc unspecified 1524 Comment
  CAS-BOT-BC95235  Pseudostellaria jamesiana Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2142 Modoc Cedar Peak, Warner Mts. Comment
  CHSC112065  Psilocarphus brevissimus var. brevissimus L. P. Janeway; B. Castro 2014-6-3 11323 Modoc Great Basin. On the dry cracked white mud of Big Mud Lake, near the northwest edge. 1637 Comment
  CHSC99115  Psilocarphus brevissimus var. brevissimus Lowell Ahart; John Dittes 2008-6-21 14986 Modoc Bottom of a large vernal pool, about 50 yards northwest of a large culvert, about 25 yards west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  JEPS114689  Psilocarphus brevissimus var. brevissimus Lowell Ahart, John Dittes 2008-6-21 14986 Modoc Bottom of a large vernal pool, about 50 yards northwest of a large culvert, about 25 yards west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  CAS-BOT-BC95680  Pterospora andromedea Francis Dorris Payne 1935-7-19 799 Modoc Dry Creek. Comment
  CAS-BOT-BC95681  Pterospora andromedea Bruce Bartholomew 1989-7-14 4932 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  UCD32718  Puccinellia Beecher Crampton 1954-7-7 2155 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCD32739  Puccinellia distans Beecher Crampton 1954-7-8 2192 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD32743  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2196 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD93437  Puccinellia nuttalliana L. G. Goar 1938-1 s.n. Modoc Modoc County. Comment
  SEINET10542464  Purshia tridentata David B. Dunn, Paul Gallian 1971-6-2 Dunn 17772 Modoc 9 miles sw of canby on hwy 299, in decomposed granite; in artemesia, very moist Season of year with melting patches of snow. Pinus ponderosa-juniper assoc. 30-40 Degrees slope 1463 Comment
  CAS-BOT-BC218229  Purshia tridentata var. tridentata Francis Dorris Payne 1931-6-1 152 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC218231  Purshia tridentata var. tridentata A. D. Borden 1911-8-9 Modoc S slope of Shields Creek. Comment
  RSA520466  Purshia tridentata var. tridentata K. Paulson, R. Paulson 1989-5-8 112 Modoc Howard's Gulch. Along Hwy 139. 1372 Comment
  UC12420  Purshia tridentata var. tridentata Milo S. Baker 1893-6 Modoc hillsides and low land Comment
  UC21709  Pyrola asarifolia Mrs. Bruce 1898-1 Modoc Comment
  JEPS58804  Pyrola dentata L. S. Smith 1917-9-18 161 a Modoc Lassen Creek, Warner Mts. 1981 Comment
  CAS-BOT-BC95695  Pyrola picta Bruce Bartholomew; Barrett Anderson 1988-7-21 4408 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  SEINET195663  Pyrola picta Unknown 1946-7-4 5068 Modoc Trail to Emerson Camp, Bear Camp Flat, Warner Mountains Comment
  UC748276  Pyrola picta Annie M. Alexander and Louise Kellogg 1946-7-14 5068 Modoc Trail to Emerson Camp (Warner Mountains, Bear Camp Flat); Warner Mountains, Bear Camp Flat Comment
  CHSC97874  Pyrrocoma carthamoides var. cusickii G. D. Barbe 1991-8-27 4443 Modoc Warner Mts. 2316 Comment
  JEPS5940  Pyrrocoma carthamoides var. cusickii Frances D. Payne 1932-7-22 730 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  SJSU9380  Pyrrocoma carthamoides var. cusickii W. Savage 1979-7-4 1345 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  POM229872  Pyrrocoma carthamoides var. cusickii L. C. Wheeler 1935-8-12 3827 Modoc Cottonwood Creek, Warner Mts. 1677 Comment
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Aug 8 2009
  RSA606134  Pyrrocoma carthamoides var. cusickii L. C. Wheeler 1935-8-12 3827 Modoc Cottonwood Creek, Warner Mountains. 1677 Comment
  CAS-BOT-BC50351  Pyrrocoma lanceolata var. lanceolata John Thomas Howell 1934-6-15 12185 Modoc Alturas. Comment
  CAS-BOT-BC50357  Pyrrocoma lanceolata var. subviscosa Harvey Monroe Hall 1925-8-30 12212 Modoc 19 mi. S of Alturas on Hwy 395, at N edge of Likely. Comment
  UC922549  Quercus kelloggii Annie M. Alexander and Louise Kellogg 1948-9-18 5623 Modoc 1 mi SW of Adin Pass summit 1524 Comment
  POM166750  Quercus kelloggii Milo S. Baker 1893-7-10 s.n. Modoc Mountain side. Comment
  JEPS5955  Raillardella argentea Frances D. Payne 1929-7-26 132 Modoc Warren Peak Warner Mountains 2743 Comment
  UC190589  Raillardella argentea M. F. Gilman 640 Modoc Comment
  CAS-BOT-BC217253  Ranunculus alismifolius Bruce Bartholomew 1994-5-28 6718 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  RSA520441  Ranunculus alismifolius var. alismellus Bruce Bartholomew 1990-6-15 5231 Modoc S end of Deer Spring Ridge 1.8km N turn off to Knox Flat near Pot Hole Spring. 1920 Comment
  CAS-BOT-BC217258  Ranunculus andersonii Bruce Bartholomew; Barrett Anderson 1988-5-13 4163 Modoc Granger Summit, ca. 10 km NW of Pepperdine at the top of the Warner Mts.. 1770 Comment
  CAS-BOT-BC217259  Ranunculus andersonii Leland S. Smith 1922-5-28 1241 Modoc Happy Camp Mountain. 1889 Comment
  POM275142  Ranunculus aquatilis var. capillaceus A. M. Alexander 1946-7-7 4921 Modoc Pond W Lake Annie. Comment
  RSA59711  Ranunculus aquatilis var. capillaceus E. K. Balls 1950-5-18 14765 Modoc Modoc: just S of Adin, in city limit, by turn to Madeline off Hwy 299. 1280 Comment
  CHSC108007  Ranunculus arvensis Lowell Ahart; John Dittes 2011-6-21 17512 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
  JEPS55057  Ranunculus cymbalaria var. saximontanus W. L. Jepson 1918-8-10 7928 Modoc near Alturas 1371 Comment
  UC1025082  Ranunculus cymbalaria var. saximontanus Leo Whitney 1934-5-20 1744 Modoc on banks of river near Clear Lake (n part of county); Lost River 1463 Comment
  CAS-BOT-BC217242  Ranunculus flammula Bruce Bartholomew 1991-7-6 5978 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  UC1178908  Ranunculus glaberrimus Herbert L. Mason 1949-4-16 13999 Modoc summit of grade between Madeline Plain and Likely Comment
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Jun 2 2009
  UC1191128  Ranunculus glaberrimus William P. Dasmann 1947-4-19 32 Modoc Saddle Blanket Flat area 1371 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-BC217244  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew 1993-4-3 6404 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  HSC103173  Ranunculus glaberrimus var. glaberrimus R. W. Tate, K. Ludwig 2014-3-19 1401 Modoc Modoc National Forest, Devil's Garden RD, Reservoir C parking area. 1513 Comment
  JEPS60694  Ranunculus occidentalis Frances D. Payne 1929-7-1 34 Modoc about 3 mi n Parker Creek; Warner Mountains, Fern Spring Gulch 1584 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
  RSA400013  Ranunculus occidentalis var. eisenii Christopher Davidson 1975-6-4 2621 Modoc 5 miles W of Cedarville in Hwy 299, across from road 195 to Cedaar Pass Ski Tow Road. 1799 Comment
  CHSC118068  Ranunculus occidentalis var. occidentalis L. P. Janeway 2016-5-16 12005 Modoc Modoc Plateau. Devils Garden area; juntion of Road 46N02 at Road 47N09/73/181; 2.0 air-km east of Green Spring Reservoir. 1585 Comment
  POM269466  Ranunculus oxynotus Elmer I. Applegate 1932-8-1 8047 Modoc Arid rocky E slope of Warren Peak, Warner Mts. Comment
  UC71853  Ranunculus sceleratus Mrs. M. H. Manning 1903-6 148 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  UC748217  Ranunculus sceleratus Annie M. Alexander and Louise Kellogg 1946-6-7 4674 Modoc 2 mi e Cedarville (in marsh) 1453 Comment
  JEPS96813  Ranunculus testiculatus Dean W. Taylor 1992-3-16 12332 Modoc 1 air mi SW of Duncan Reservoir; Modoc Plateau 1493 Comment
  CAS-BOT-BC217159  Ranunculus uncinatus Francis Dorris Payne 1929-7-7 62 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  HSC98180  Ranunculus uncinatus M. T. Milligan 1964-6-25 86 Modoc Upper Lassen Creek 1829 Comment
  UC420725  Rhamnus rubra Franklin P. Nutting 1920-8-1 Modoc Big Valley Mts. Comment
  CAS-BOT-BC217080  Rhamnus rubra subsp. obtusissima John Thomas Howell 1934-6-13 12077 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC21489  Rhus aromatica Bruce Bartholomew 1989-8-10 5026 Modoc Little Hot Spring Valley, 1.6 km NW of Day. 1070 Comment
  NY1002972  Rhus aromatica var. trilobata B. M. Bartholomew 1989-4-27 4622 Modoc Little Hot Spring Valley, 2.9 km NW of Day 1080 Comment
  RSA59643  Ribes aureum E. K. Balls 1950-5-12 14650 Modoc Hillsides north of Bucks Creek Ranger station, Modoc National Forest. 1829 Comment
  UC1191522  Ribes aureum Verne Grant, Irving Schneider 1947-7-22 8142 Modoc about 1 mi n Cedarville road (on Highway 395); North Fork of Pit River Comment
  CAS-BOT-BC225867  Ribes cereum John H. Hatton 1911-6-13 73 Modoc unspecified 1493 Comment
  HSC80719  Ribes cereum G. M. Riegel 1980-7-2 814 Modoc S Warner Mtns. 1670 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
  SD46560  Ribes cereum Robert J. Weatherby 1955-7-7 1606 Modoc Red Fir Forest. 7 mi. north of Ft. Bidwell. 1890 Comment
  UC858418  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 mi ne Alturas 1615 Comment
  CAS-BOT-BC225897  Ribes inerme Elmer Ivan Applegate 1932-8-2 8093 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC225901  Ribes montigenum Robert Patterson; Mona Bourell 1993-8-15 5260 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  NY455304  Ribes montigenum A. M. Alexander 1946-6-25 4822 Modoc Dismal Swamp, north end of Warner Mountains 2255.5 Comment
  CAS-BOT-BC225926  Ribes velutinum Elmer Ivan Applegate 1929-7-29 6087 Modoc Clear Lake. Comment
  UC75448  Ribes velutinum Milo S. Baker 1893-1 Modoc Egg Lake Comment
  NY455560  Ribes viscosissimum G. Schoolcraft 1988-7-12 1824 Modoc Warner Mountains along Park Creek Road, 1 mile west of Pepperdine Camp 1950.7 Comment
  SEINET188375 Image available Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 miles northeast of Alturas 1615 Comment
  UC11680  Ribes viscosissimum Mrs. R. M. Austin and Bruce June 1898 2352 Modoc Lake City Mt. Comment
  UC748481 Image available Ribes viscosissimum Annie M. Alexander and Louise Kellogg 1946-6-15 4772 Modoc Deep Creek 1981 Comment
  RSA0020905  Ribes viscosissimum K. Paulson, R. Paulson 1989-6-21 145 Modoc Pine Creek Basin, W side of the Warner Mountains. 2110 Comment
  CHSC109454  Ribes viscosissimum var. hallii B. Castro; L. P. Janeway 2012-7-24 1943 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.9 air mi east of Lily Lake and 1.1 air mi southwet of Dismal Swamp. 2250 Comment
  CAS-BOT-BC50330  Rigiopappus leptocladus Bruce Bartholomew 1993-6-14 6665 Modoc 4 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1400 Comment
  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
  JEPS30486  Rigiopappus leptocladus Peter H. Raven and Otto T. Solbrig 1958-6-18 13319 Modoc along dirt road 8.8 mi s Happy Camp Guard Station; Modoc National Forest Comment
  CHSC100463  Rorippa austriaca Lowell Ahart; John Dittes 2008-8-25 15274 Modoc On the banks of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UCD115244  Rorippa austriaca Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch in Likely. Comment
  RSA210835  Rorippa curvisiliqua R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39111 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  RSA0042938  Rorippa curvisiliqua Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39111 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  CHSC109491  Rorippa curvisiliqua var. orientalis L. P. Janeway; B. Castro 2012-7-26 11004 Modoc Warner Mountains. At Little Lily Lake, 2.4 air km north of Mt. Vida. 2258 Comment
  CAS-BOT-BC218257  Rosa woodsii var. ultramontana Leland S. Smith 1919-6-14 26 Modoc Deep Creek. 1524 Comment
  UC528028  Rosa woodsii var. ultramontana Elmer I. Applegate 1929-6-25 5904 Modoc e side of Goose Lake Willow Ranch (along stream) Comment
  CAS-BOT-BC211306  Rumex occidentalis Bruce Bartholomew 1994-7-1 6769 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  HSC64418  Rumex occidentalis J. P. Smith, J. O. Sawyer 1973-8-9 7257 Modoc Blue Lake, Modoc National Forest 1829 Comment
  CAS-BOT-BC211310  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1988-7-21 4605 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC211315  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1990-7-20 5541 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  CHSC117359  Rumex transitorius Lowell Ahart; John Dittes 2016-7-14 21194 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC211316  Rumex triangulivalvis John Thomas Howell 1934-6-15 12189 Modoc Alturas. Comment
  CAS-BOT-BC211321  Rumex triangulivalvis Annie Montague Alexander; L. Kellogg 1946-8-3 5113 Modoc Head of Eagle Creek, Warner Mts. Comment
  HSC65604  Rumex triangulivalvis Thomas Wood 1979-8-9 239 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  JEPS119661  Sagittaria latifolia var. latifolia Lowell Ahart, John Dittes 2012-7-11 18336 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC225111  Salix bebbiana Belknap C. Goldsmith 1911-5-21 25 Modoc East shore of Goose Lake. Comment
  CAS-BOT-BC225120  Salix boothii Annie Montague Alexander; L. Kellogg 1946-6-25 4826 Modoc Dismal Swamp, N end of Warner Mountains. 2255 Comment
  CAS-BOT-BC225125  Salix boothii Elmer Ivan Applegate 1932-7-9 7596 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  POM228955  Salix boothii Louis C. Wheeler 1935-8-2 3748 Modoc Twelve Mile Creek. Warner Mtns. 2256 Comment
  UC482333  Salix boothii Frances D. Payne 1931-7-7 331 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 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
  CAS-BOT-BC225757  Salix eastwoodiae Francis Dorris Payne 1931-6-25 275 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  UC481846  Salix eastwoodiae Frances D. Payne 1931-7-8 177 a Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481863  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225772  Salix exigua Alice Eastwood; John Thomas Howell 1940-6-13 8176 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC225774  Salix exigua Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16366 Modoc Along bank of Pit River, 3.9 mi N of Alturas. Comment
  NY187445  Salix exigua F. D. Payne 1931-6-30 495 Modoc Parker Creek, 20 km east of Alturas. Meadow south of Payne Ranch 1560 Comment
  POM218950  Salix exigua H. P. Bracelin, Frances D. Payne 1931-6-30 495 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  SBBG58877  Salix exigua Mrs. H. P. Bracelin 1931-6-30 488 Modoc Parker Crk, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  UC481821  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc sw end of town Alturas 1360 Comment
  UC481956  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 494 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch) 1560 Comment
  NY187671  Salix lasiandra N. F. Bracelin 1931-6-30 497 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  CAS-BOT-BC229690  Salix lasiandra subsp. caudata E. K. Balls 1950-5-20 14794 Modoc South Fork public camp, South Fork of the Pit River, Likely to Clear Lake. 1432 Comment
  UC846605  Salix lasiandra var. lasiandra C. L. Hitchcock 1940-5-27 6699 Modoc 12 mi n.e. Alturas 1615 Comment
  UC481926  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby 1350 Comment
  CAS-BOT-BC197551  Salix lasiolepis var. lasiolepis Louis Cutter Wheeler 1935-8-13 3831 Modoc Barnes Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC229666  Salix lemmonii A. D. Borden 1911-5-21 s.n. Modoc SE shore of Goose Lake. Comment
  CAS-BOT-BC229695  Salix lemmonii Annie Montague Alexander; L. Kellogg 1946-6-26 4840 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  POM218962  Salix lemmonii Frances D. Payne 1931-7-7 332 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  SBBG57898  Salix lemmonii F. D. Payne -Aug-1934 778 Modoc Pine Crk Basin 2316 Comment
  POM107155  Salix lemmonii var. macrostachya R. M. Austin 1895-05 s.n. Modoc Davis Creek Comment
  RSA252406  Salix lucida subsp. caudata Robert F. Thorne, C. W. Tilforth 1969-9-5 39144 Modoc Along S Fork of Pit River above jct,. with West Creek at Public Campground. Ca 6 miles E of Likely. 1402 Comment
  RSA59372  Salix lucida subsp. lasiandra E. K. Balls 1950-5-11 14621 Modoc 4 miles S of Fort Bidwell. W of Upper Lake. 1402 Comment
  RSA59738  Salix lucida subsp. lasiandra E. K. Balls 1950-5-20 14794 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  UC481796  Salix lutea Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 499 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC229831  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  HSC80730  Salix scouleriana G. M. Riegel 1980-8-27 1112 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC179247  Salvia dorrii var. dorrii B. Bartholomew 1990-6-17 5297 Modoc Along Emerson Creek, 3.9 km SW of County Rd 1, E side of Warner Mts. 1700 Comment
  POM68254  Sambucus caerulea Mrs. R. M. Austin 1895-07 167 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC95178  Sambucus melanocarpa Belknap C. Goldsmith 1910-7-20 13 Modoc Fandango Creek, W slope of Warner Mts. 1554 Comment
  CAS-BOT-BC238781  Sambucus nigra subsp. caerulea A. D. Borden 1911-8-1 s.n. Modoc S. slope, S. fork Parker Creek, Modoc Creek Comment
  UCR150480  Sambucus racemosa var. microbotrys David A. Charlet 1989-8-15 494 Modoc Warner Mountains; 1.2 km NW of Eagle Peak 2550 Comment
  CDA26415  Sanguisorba annua T. C. Fuller 1963-7-16 10914 Modoc East side of Fandango Pass Road, 1.8 miles east of Highway 395 to Willow Ranch. 0 Comment
  POM90120  Sanguisorba annua R. M. Austin 527 Modoc Goose Lake Valley. Comment
  SEINET11911060  Sanguisorba annua M. J. Williams 1984-1 84- 75 -2 Modoc 27.4 mi N of Cedar Pass Road on Hwy 395 1295 Comment
  CAS-BOT-BC15725  Sanicula graveolens Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 5999 Modoc Cedar Pass. 1920 Comment
  JEPS1006  Sanicula graveolens L. S. Smith 1918-1 1124 Modoc Warner Mountains, Deep Creek Deep Creek; Warner Mountains, Deep Creek 1889 Comment
  UC21345  Sanicula graveolens M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  SEINET11155989  Sanicula graveolens M. J. Williams 1984-6-28 84- 69 -3 Modoc Warner Mountains, N of Cedar Pass, end of Soldier Creek Road. 2073 Comment
  CAS-BOT-BC497341  Saxifraga cespitosa G. Schoolcraft 1989-7-16 1968 Modoc Warner Mts. near Patterson Lake 2804 Comment
  POM354596  Saxifraga howellii Louis C. Wheeler 1935-8-1 3728 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  RSA520434  Saxifraga nidifica var. nidifica Bruce Bartholomew, M. Bourell 1990-4-27 5171 Modoc NW side of Rice Flat, 2km S of Adin Pass. 1540 Comment
  UC748210  Saxifraga nidifica var. nidifica Annie M. Alexander and Louise Kellogg 1946-6-15 4779 Modoc Deep Creek, (Aspen flat) Deep Creek 2194 Comment
  UC402445  Saxifraga oregana Franklin P. Nutting Modoc Forestdale Comment
  UCR34690  Saxifraga oregana J. A. Harpel 1981-8-6 V 36 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  NY784264  Saxifraga oregana var. oregana B. M. Bartholomew 1988-6-24 4367 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. Emerson Peak 7 1/2' Quad. 2190 Comment
  UCD126477  Schedonorus pratensis L. Whitney 1935-6-29 3360 -b Modoc Alturas. 1463 Comment
  UCD49970  Schoenoplectus pungens var. longispicatus Irving Schneider; Verne Grant 1947-7-19 8083 Modoc Williams Ranch, north of Likely. Comment
  CAS-BOT-BC110876  Scirpus microcarpus Robert F. Thorne; C. W. Tilforth 1969-9-4 39049 Modoc 11.8 mi N of Alturas along Hwy 395 1371 Comment
  UC1100837  Scirpus microcarpus Herbert L. Mason, Verne Grant 1947-7-13 13346 Modoc Joseph Creek on Highway 395 n Davis Creek (e side Goose Lake); , Joseph Creek, n of Davis Creek Comment
  UC1100805  Scirpus pungens Herbert L. Mason 1948-9-4 13665 Modoc Rush Creek Mono Lake; , Mono Lake Comment
Read comments
Jun 2 2015
  UCD92544  Scribneria bolanderi L. D. Whitney 1935-5-22 s.n. Modoc near Hackamore. Comment
  CAS-BOT-BC197836  Scrophularia lanceolata Annie Montague Alexander; L. Kellogg 1946-6-18 4806 Modoc Base of lava bluff facing Lower Lake. Comment
  CAS-BOT-BC179235  Scutellaria antirrhinoides Belknap C. Goldsmith 1912-7-1 60 Modoc Little Hot Spring Valley. 1219 Comment
  UC70385  Scutellaria antirrhinoides Milo S. Baker 1893-1 Modoc Egg Lake Comment
  CAS-BOT-BC179222  Scutellaria nana John Thomas Howell 1934-7-3 12374 Modoc 5 mi. S of Hackamore. Comment
  CAS-BOT-BC179224  Scutellaria nana B. Bartholomew 1991-8-5 6030 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CAS-BOT-BC179230  Scutellaria nana Lindsay Stuart Smith 1924-5-31 1358 Modoc Egg Lake Ranch and S. Comment
  CAS-BOT-BC179219  Scutellaria nana Fred P. Cronemiller, Jr. 1920-6-10 5 Modoc McKenzie Spring. 1341 Comment
  CHSC109442  Sedum lanceolatum L. P. Janeway; B. Castro 2012-7-24 10975 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 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
  RSA603122  Sedum lanceolatum L. C. Wheeler 1935-8-14 3844 Modoc Pine Creek. Warner Mtns. 1585 Comment
  UC11266  Sedum lanceolatum Mrs. C. C. Bruce 1890-1 2324 Modoc Comment
  CHSC100848  Sedum stenopetalum L. P. Janeway 2008-8-17 9565 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2400 Comment
  SFV17482  Sedum stenopetalum P. Wilson 1998-7-20 3540 Modoc About 1 mile north of Cedar Pass off Highway 299. 1900 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
  UC11230  Sedum stenopetalum Mrs. R. M. Austin Aug. 1894 Modoc hills e Goose Lake; hills e of Goose Lake Comment
  CAS-BOT-BC95615  Sedum stenopetalum subsp. stenopetalum Francis Dorris Payne 1931-6-11 147 Modoc Parker Creek, Warner Mts. 1584 Comment
  SD47967  Sedum stenopetalum subsp. stenopetalum Herbert L. Mason 1957-7-6 14719 a Modoc Mill Creek, Warner Mountains. Comment
  RSA0078512  Sedum stenopetalum subsp. stenopetalum Bruce Bartholomew, B. Anderson 1988-7-22 4532 Modoc Mill Creek, Lake City Canyon, 5.5km W of Lake City, E side of the Warner Mtns. 1860 Comment
  CAS-BOT-BC50342  Senecio aronicoides Barrett Anderson 1986-7-9 3165 Modoc Near Stough Reservoir. 1965 Comment
  CDA35637  Senecio aronicoides J. R. Keck Jr., Pfeiffer 1985-6-6 PDR# 237689 Modoc On USFS Road 56, west of Lookout-Hackamore Road. 0 Comment
  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
  UC748428  Senecio fremontii var. occidentalis Annie M. Alexander and Louise Kellogg 1946-7-29 5084 Modoc Head Eagle Creek Warner Mountains Comment
  CHSC106185  Senecio hydrophilus Lowell Ahart; John Dittes 2010-8-31 17104 Modoc About 40 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1274 Comment
  HSC31112  Senecio hydrophilus R. F. Thorne, C. W. Tilforth 1969-9-5 39167 Modoc Modoc National Forest: Warner Mtns.; Clear Lake 1768 Comment
  JEPS89346  Senecio hydrophilus Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10502 Modoc w. shore Lower Lake (Surprise Valley); , Lower Lake 1363 Comment
  RSA0012564  Senecio hydrophilus F. W. Peirson 1926-6-25 6894 Modoc 1 mile east of summit of Warner Mts. on Cedarville Road. Comment
  UC71605  Senecio hydrophilus Mrs. M. H. Manning 1903-8-25 325 Modoc Sessions Swamp Sessions Swamp (north-eastern Modoc County) Comment
  CAS-BOT-BC50260  Senecio integerrimus var. exaltatus Bruce Bartholomew 1993-6-14 6660 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC50288  Senecio integerrimus var. exaltatus Betty J. Hammerly 1941-6-20 36 Modoc Along banks of Clear Lake, S end of Warner Mts. Comment
  UC748075  Senecio integerrimus var. exaltatus Annie M. Alexander and Louise Kellogg 1946-6-5 4671 Modoc s of Eagleville; Warner Mountains, Emerson Creek 1828 Comment
  JEPS17739  Senecio integerrimus var. exaltatus Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5396 Modoc 3.3 mi e Patterson Ranger Station (forest road across the s end of the Warner Range); Warner Range 2225 Comment
  RSA0124947  Senecio integerrimus var. exaltatus E. K. Balls 1950-5-12 14655 Modoc Hillsides north of Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1646 Comment
  SEINET3148743  Senecio integerrimus var. ochroleucus E. K. Balls 1950-5-12 14655 Modoc Hillsides N of Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake 1646 Comment
  POM272189  Senecio pauciflorus Mrs. R. M. Austin s.n. Modoc Devil's Garden; Pitt River watershed. Comment
  UCSB17314  Senecio serra Haller, John 1961-6-25 Modoc Eagleville-Likely road, 0.5 mi W of crest of Warner Mountains, about 3 mi E of Patterson Ranger Station 2286 Comment
  JEPS37202  Senecio serra var. serra W. L. Jepson 1918-8-9 7914 Modoc Ft. Bidwell 1432 Comment
  RSA0012468  Senecio serra var. serra F. W. Peirson 1926-6-25 6882 Modoc 1 mile east of summit of Warner Mts. on Cedarville Road. Comment
  UC519036  Sibbaldia procumbens Elmer I. Applegate 1923-8-1 8023 Modoc just s Warren Peak (high summit of Warner Mountains); Warner Mountains Comment
  RSA11805  Sibbaldia procumbens Elmer I. Applegate 1923-8-1 8023 Modoc High summit of Warner Mtns. Just S of Warner Peak. Comment
  HSC27411  Sidalcea malviflora D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19463 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC179067  Sidalcea oregana subsp. oregana John Thomas Howell 1934-6-11 11944 Modoc Parker Creek. 1584 Comment
  JEPS67255  Sidalcea oregana subsp. oregana Frances D. Payne 1931-6-17 165 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  RSA31656  Sidalcea oregana subsp. oregana A. A. Heller 1938-6-24 15227 Modoc Between Alturas and Canby. 1341 Comment
  SJSU8543  Sidalcea oregana subsp. oregana R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  CAS-BOT-BC179051  Sidalcea oregana subsp. spicata E. S. Willits 1940-6-9 338 Modoc 12 Mile Creek. Comment
  CHSC70472  Sidalcea oregana subsp. spicata A. Sanger 1997-7-9 2564 Modoc Little Willow Creek at crossing of County Rd. 181, in meadow S of Road. 1499 Comment
  UCR131814  Sidalcea oregana subsp. spicata George Willet 1935-6-26 s.n. Modoc Warner Mountains, Jess Valley 1829 Comment
  RSA448222  Sidalcea oregana subsp. spicata George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains 1829 Comment
  HSC4206  Silene douglasii M. T. Milligan 1966-8-3 627 Modoc W slope of Eagle Peak 2439 Comment
  JEPS50914  Silene douglasii Leland S. Smith 1918-6-22 964 Modoc Lily Lake-High Grade Modoc Forest, Lily Lake, High Grade 2042 Comment
  NY446741  Silene douglasii F. M. Ownbey 1940-7-1 2154 Modoc Cedar Peak, Warner Mountains Comment
  CAS-BOT-BC95244  Silene douglasii var. douglasii Bruce Bartholomew; Barrett Anderson 1990-7-20 5489 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC95266  Silene menziesii Leland S. Smith 1922-7-20 1300 Modoc Rush Creek Ranger Station. 1905 Comment
  CAS-BOT-BC95269  Silene menziesii Bruce Bartholomew 1989-7-14 4975 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 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
  JEPS127286  Silene nuda Lowell Ahart, John Dittes 2016-7-14 21167 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
  RSA0118761  Silene nuda Lowell A. Ahart, John Dittes 2013-7-25 18954 Modoc On the north side of a deep drainage, 30 yards south of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  CAS-BOT-BC95274  Silene oregana Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10577 Modoc 3 miles from Patterson Ranger Station on road to Eagleville, Warner Mts. Comment
  HSC80711  Silene oregana G. M. Riegel 1980-8-9 1024 Modoc S Warner Mts. 1670 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
  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
  RSA584830  Sisyrinchium halophilum Bruce Bartholomew 1993-6-12 6602 Modoc Tom Large Flat, west of Egg Lake 1260 Comment
  UC1537630  Sium suave Gordon H. True Jr. 1939-7-21 1028 Modoc n of Canby (Jack Swamp); Jack Swamp Comment
  UC71554  Sium suave Mrs. M. H. Manning 1903-7-1 461 Modoc Mill Canyon, Bidwell Creek, in north-eastern Modoc County Bidwell Creek; Mill Canyon, Bidwell Creek 1828 Comment
  JEPS62132  Smilacina racemosa W. L. Jepson 1918-8-7 7901 Modoc North Fork Bidwell Creek Warner Mts. 1828 Comment
  JEPS62143  Smilacina stellata Frances D. Payne 1931-6-20 201 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS117295  Solanum dulcamara Lowell Ahart, John Dittes 2010-8-31 17095 Modoc On the south sdie of Ash Creek, about 10 yards west of the bridge, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Va 1267 Comment
  UCD126921  Solanum dulcamara W. A. Harvey 1954-6-3 s.n. Modoc Rob Flournoy Ranch, 3 miles southwest of Likely. Comment
  NY821107  Solanum parishii B. M. Bartholomew 1988-6-23 4260 Modoc 1.8 km WSW of Day on County Road 94. Fall River Mills 15' Quad. 1170 Comment
  NY821272  Solanum physalifolium L. C. Wheeler 1935-9-22 3994 Modoc 3 mi. W of Alturas 1356 Comment
  POM69607  Solanum physalifolium var. nitidibaccatum R. M. Austin 1895-07 s.n. Modoc Goose Lake. Comment
  HSC65391  Solanum triflorum Thomas Wood 1979-8-8 222 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  JEPS114457  Solanum triflorum Lowell Ahart, John Dittes 2008-8-26 15339 Modoc Southeast side of Rose Creek, 700 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2710 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  JEPS114782  Solanum triflorum Lowell Ahart, John Dittes 2008-8-25 15329 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber 1271 Comment
  JEPS12114  Solanum triflorum Frank W. Peirson 1926-6-25 6878 Modoc Warner Mountains, Cedarville Road, 1 mi e of summit Cedarville Road; Warner Mountains, Cedarville Road Comment
  UC1191777  Solanum triflorum Verne Grant, Irving Schneider 1947-8-27 8319 Modoc sw end of Clear Lake Clear Lake Comment
  CAS-BOT-BC245427  Solanum triflorum John Thomas Howell 1934-7-1 12310 Modoc Duncan House Camp Comment
  UC663360  Solanum triflorum Francis Drouet and Donald Richards 1941-9-10 4131 Modoc hills 2 mi nw of Alturas 1341 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
  POM42201  Solidago canadensis subsp. elongata Mrs. R. M. Austin 573 Modoc Alturas Comment
  HSC6180  Solidago elongata M. T. Milligan 1966-7-26 584 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  UC1999882  Solidago elongata J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-11 9296 Modoc NE of Alturas, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  UCR57504  Solidago occidentalis R. D. Goeden, Don W. Ricker 1989-8-22 890822- 12 Modoc East of Likely on Jess Valley Rd. Beside S fork of Pit River 1421 Comment
  SEINET3873680  Solidago spectabilis John C. Semple, T. Ahmed; B. A. Suripto 1990-8-12 9299 Modoc Ca-299, 12.5 km W of Alturas, straight N of Rattle Snake Butte.; 0 Comment
  CAS-BOT-BC54282  Solidago velutina subsp. californica Elmer Ivan Applegate 1932-8-4 8151 Modoc N side of Jess Valley, Warner Mountains Comment
  CAS-BOT-BC158918  Sorbus scopulina A. D. Borden 1911-8-1 s.n. Modoc Along high run on south slope of south fork of Parker Creek, Modoc Forest. Comment
  JEPS44992  Sorbus scopulina W. L. Jepson 1918-8-7 7900 Modoc n fork Bidwell Creek; Warren Mts 1828 Comment
  CAS-BOT-BC158919  Sorbus scopulina B. Bartholomew 1991-10-13 6116 Modoc Above Lily Lake on road to Dismal Swamp, W side of Warner Mts. 2010 Comment
  POM332462  Sparganium angustifolium subsp. emersum J. P. Smith, J. O. Sawyer 1973-8-9 7269 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  CAS-BOT-BC242299  Sparganium eurycarpum subsp. eurycarpum Elmer Ivan Applegate 1929-7-29 6088 Modoc Clear Lake Dam. Comment
  CAS-BOT-BC54294  Sphaeromeria potentilloides var. potentilloides C. C. (Mrs.) Bruce 1898-6-1 2173 Modoc Alturas. Comment
  UC36601  Sphaeromeria potentilloides var. potentilloides Mrs. C. C. Bruce June 1898 2173 Modoc Alturas Comment
  CAS-BOT-BC15683  Sphenosciadium capitellatum Bruce Bartholomew 1990-8-4 5652 Modoc Side tributary in upper reaches of Owl Creek drainage, E side of Warner Mts. 2500 Comment
  CAS-BOT-BC15686  Sphenosciadium capitellatum Bruce Bartholomew 1995-7-31 7122 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  CAS-BOT-BC242205  Spiranthes romanzoffiana Bruce Bartholomew; Barrett Anderson 1988-7-23 4569 Modoc Field redacted by CAS, contact the data manager for more information 2180 Comment
  RSA577897  Spiranthes romanzoffiana Louis C. Wheeler 1935-8-1 3735 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  CAS-BOT-BC245023  Spirodela polyrhiza Ellsworth Bethel 1923-4-24 s.n. Modoc Adin. Comment
  RSA233789  Spirodela polyrhiza Robert F. Thorne, C. W. Tilforth 1969-9-5 39148 Modoc North of South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 mi. E of Likely. 1402 Comment
  UC1191923  Stachys palustris subsp. pilosa Verne Grant, Irving Schneider 1947-7-18 8046 Modoc 5 mi n Bayley's Bridge (Eastside Canal, s of Alturas) Comment
  CAS-BOT-BC179208  Stachys pilosa Verne Grant; I. Schneider 1947-7-22 8146 Modoc N Fork of Pit River, about 1 mi. N of Surprise Station on Hwy. 395. Comment
  HSC1957  Stachys rigida var. rigida M. T. Milligan 1966-6-30 500 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  NY482949  Stellaria longipes B. M. Bartholomew 1988-7-22 4515 Modoc Southeast side of Sunflower Knob, southern end of the Warner Mountains; Emerson Peak 7 1/2' Quad. 2160 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-BC54260  Stenotus stenophyllus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6440 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  CAS-BOT-BC54261  Stenotus stenophyllus Bruce Bartholomew; Mona Bourell 1990-4-27 5189 Modoc Near SW corner of Big Sage Reservoir, 13.5 km NW of Hwy 299 on Crowder Flat Rd. 1510 Comment
  JEPS29181  Stenotus stenophyllus Lauramay T. Dempster 1961-6-18 1687 Modoc Peak just south of Cedar Pass Comment
  UCD136385  Stephanomeria lactucina Richard R. Halse 2006-8-4 6998 Modoc along Patterson Mill Road around 4 miles southwest of its junction with Surprise Valley road, east side of the southern Warner Mountains; Modoc National Forest. 2097 Comment
  UC35824  Stephanomeria tenuifolia M. S. Baker and Frank Nutting 1894-1 Modoc Egg Lake Comment
  CHSC109448  Stipa thurberiana L. P. Janeway; B. Castro 2012-7-28 11038 Modoc Warner Mountains. At Obsidian Needles Obsidian Collecting Area; along Road 45N34 overlooking North Fork Davis Creek about 6.0 air km east-northeast of the community of Davis Creek (on Hwy 395). 1905 Comment
  POM266324  Streptanthus cordatus Marion Ownbey, Fred G. Meyer 1940-7-1 2135 Modoc Cedar Pass, Warner Mts. Comment
  RSA0025578  Streptanthus cordatus John F. Emmel 1996-7-15 1428 Modoc Warner Mtns: above northwest end of Homestead Flat, 2.0 air mi south and 0.5-0.7 air mi west of Emerson Peak. 2302 Comment
  UC1492719  Streptanthus cordatus Freed W. Hoffman 1957-6-29 4265 Modoc 13.3 mi s Adin Comment
  UC69638  Streptanthus cordatus Mrs. M. H. Manning June 1904 389 Modoc open mt. side Ft. Bidwell (ne Modoc Co.) 1706 Comment
  CAS-BOT-BC95060  Streptanthus cordatus var. cordatus Robert J. Weatherby 1955-7-8 1628 Modoc 6 mi. N of Ft. Bidwell, northern Warner Mts. 1645 Comment
  CAS-BOT-BC242163  Streptopus amplexifolius var. americanus Bruce Bartholomew; Barrett Anderson 1988-7-22 4529 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CDA23530  Suaeda calceoliformis T. C. Fuller 1964-10-8 12696 Modoc North side of levee road across the south end of Goose Lake, ca. 5 miles west of Davis Creek. 0 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-BC180098  Swertia albicaulis var. albicaulis Margaret J. Williams; et al 1988-5-28 88- 19 -4 Modoc Hwy 395, intersection with Davis Creek road. Comment
  CAS-BOT-BC180099  Swertia albicaulis var. albicaulis K. Paulson; Robert Paulson 1988-5-22 9 Modoc Fletcher Creek, Devil's Garden. 1402 Comment
  CAS-BOT-BC180093  Swertia radiata Elmer Ivan Applegate 1932-7-31 7948 Modoc Mill Creek Meadows, W slope of Warner Mts. 2438 Comment
  CHSC111994  Swertia radiata B. Castro; L. P. Janeway 2008-8-17 1749 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope near upper edge of last row of trees. 2308 Comment
  HSC8428  Swertia radiata M. T. Milligan 1967-7-8 661 Modoc W slope of Eagle Peak 2439 Comment
  CAS-BOT-BC245868  Symphoricarpos rotundifolius Mrs. R. M. Austin No date on label. 50 Modoc Hills west of Goose Lake Comment
  CAS-BOT-BC95201  Symphoricarpos rotundifolius var. rotundifolius Bruce Bartholomew 1989-7-15 5014 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  HSC4013  Symphoricarpos rotundifolius var. rotundifolius M. T. Milligan 1965-6-30 395 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  JEPS22820  Symphoricarpos rotundifolius var. rotundifolius Mrs. R. M. Austin Aug 1894 Modoc Lassen Creek Comment
  UC416731  Symphoricarpos rotundifolius var. rotundifolius Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell (12 Mile Creek, ne Modoc County); 12 Mile Creek Comment
  UC711852  Symphoricarpos rotundifolius var. rotundifolius Roxana S. Ferris and Laura Lorraine 1941-8-13 10537 Modoc Patterson Ranger Station Warner Mountains, Modoc National Forest (East Creek drainage) 2164 Comment
  HSC65385  Symphyotrichum foliaceum Thomas Wood 1979-8-8 217 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  CAS-BOT-BC15153  Symphyotrichum foliaceum var. parryi Leland S. Smith 1918-7-15 999 Modoc Mill Creek Corral. 2087 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
  CHSC109520  Symphyotrichum foliaceum var. parryi L. P. Janeway; B. Castro 2012-7-25 10986 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  CAS-BOT-BC15159  Symphyotrichum frondosum Herbert Louis Mason 1947-8-9 13479 Modoc East side of Fairchild Swamp, N of Alturas. Comment
  UC1025086  Symphyotrichum frondosum Leo Whitney 1934-9-23 3069 Modoc 15 mi nw of Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC71700  Symphyotrichum frondosum Mrs. M. H. Manning 1902-9-1 17 B Modoc Comment
  CAS-BOT-BC232351  Synthyris missurica Francis Dorris Payne 1955-7-21 s.n. Modoc Lily Lake. Comment
  POM261275  Synthyris missurica C. Leo Hitchcock 1940-5-27 6716 Modoc 15 miles NE of Alturas. 1982 Comment
  RSA339137  Taeniatherum caput-medusae Margaret J. Williams 1984-6-30 84- 75 -3 Modoc 27.4 miles north of Cedar Pass Road on highway 395. 1296 Comment
  CHSC117362  Taraxacum officinale Lowell Ahart; John Dittes 2016-7-14 21158 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
  POM203852  Taraxacum officinale J. T. Howell 1934-6-14 12139 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CHSC112076  Taraxia tanacetifolia L. P. Janeway; B. Castro 2014-6-3 11312 Modoc Great Basin. Within the generally bare drawdown zone of Fee Reservoir. 1590 Comment
  UC1075757  Taraxia tanacetifolia Robert J. Weatherby 1955-7-8 1616 Modoc 7 mi n Ft. Bidwell 1874 Comment
  UCD107059  Taraxia tanacetifolia P. Quentin Tomich 1954-7-13 439 Modoc Tionesta. 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
  UC91586  Tetradymia canescens Mrs. R. M. Austin Sept 1894 265 Modoc near Alturas Comment
  UCR52255  Tetradymia canescens Roxana S. Ferris, Laura Lorraine 1941-8-14 s.n. Modoc Warner Mtns, 5 1/2 mi from Patterson Ranger Station on Eagleville Road. Modoc National Forest 1756 Comment
  CAS-BOT-BC217127  Thalictrum fendleri Roxana Stinchfield Ferris; R. Duthie 1919-6-3 53 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  HSC18233  Thalictrum fendleri M. T. Milligan 1967-7-8 660 Modoc W slope of Eagle Peak 2439 Comment
  JEPS60733  Thalictrum fendleri Frances D. Payne 1931-6-21 218 Modoc on ridge sw Dry Creek (tributary of Parker Creek) (s and e of Alturas); Warner Mountains 1981 Comment
  POM203963  Thalictrum fendleri J. T. Howell 1934-6-14 12118 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  RSA27039  Thalictrum occidentale var. palousense C. L. Hitchcock 1940-5-27 6704 a Modoc 15 miles northeast of Alturas. 1616 Comment
  UC10936  Thelypodium howellii M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  CHSC85174  Thelypodium howellii subsp. howellii John Dittes; Josephine Guardino 1991-7-21 384 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  NY215733  Thelypodium milleflorum B. M. Bartholomew 1989-6-2 4816 Modoc At the SE corner of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  RSA104147  Thermopsis californica var. argentata Milo S. Baker 1894-06 s.n. Modoc Forestdale Comment
  UC83211  Thermopsis macrophylla var. argentata M. S. Baker and Frank Nutting June 1894 Modoc Forestdale Comment
  UCD115580  Thlaspi arvense P. B. Kennedy 1917-1 s.n. Modoc Adin. Comment
  CAS-BOT-BC66413  Thysanocarpus curvipes B. Bartholomew; B. Anderson 1989-6-1 4738 Modoc Ca. 0.5 km south of State Higway 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC95088  Thysanocarpus curvipes Francis Dorris Payne 1932-6-10 633 Modoc Parker Creek. 1584 Comment
  CHSC118315  Toxicoscordion paniculatum L. P. Janeway 2016-5-17 12030 Modoc Modoc Plateau. Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  UCD149853  Toxicoscordion paniculatum William Anderson 1965-6-3 s.n. Modoc Davis Creek. Comment
  SD61032  Tragopogon dubius Darley F. Howe 1964-8-2 3925 Modoc Alturas, Vacant lot 1220 Comment
  RSA474744  Tragopogon porrifolius George Willet 1935-6-9 s.n. Modoc Eagleville. Comment
  CAS-BOT-BC179203  Trichostema oblongum K. Paulson 1978-6-24 Modoc Curtis Water Hole. Comment
  CAS-BOT-BC179195  Trichostema simulatum Bruce Bartholomew 1989-7-14 4960 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CAS-BOT-BC179196  Trichostema simulatum Margaret J. Williams 1985-8-13 85- 66 -4 Modoc Big Sage Reservoir. 1524 Comment
  RSA318961  Trifolium Patricia Wilder 1971-6-20 5075 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  CAS-BOT-BC181791  Trifolium andersonii var. andersonii R. M. Austin 1898-7-1 2292 Modoc Goose Lake fields. Comment
  CAS-BOT-BC181789  Trifolium beckwithii Elmer Ivan Applegate 1897-6-1 868 Modoc Alturas. Comment
  NY716995  Trifolium beckwithii B. M. Bartholomew 1990-7-20 5522 Modoc Tamarack Flat, east side of Warner Mountains 2150 Comment
  CAS-BOT-BC181783  Trifolium cyathiferum Louis Cutter Wheeler 1935-8-1 3727 Modoc Dismal Swamp. 2225 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
  JEPS65818  Trifolium cyathiferum Frances D. Payne 1931-6-18 191 Modoc se Alturas (Parker Creek); Warner Mtns 1584 Comment
  HSC28323  Trifolium eriocephalum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19517 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC181774  Trifolium hybridum Bruce Bartholomew 1995-8-1 7169 Modoc Ca. 1.6 km SE of Fort Bidwell on Fee Rd. 1390 Comment
  CHSC115595  Trifolium hybridum Lowell Ahart; John Dittes 2015-7-16 20365 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS66043  Trifolium kingii var. productum Frances D. Payne 1929-7-7 58 Modoc 2 mi sw Mt. Warren (Pine Creek Basin); southeastern part of county 2133 Comment
  HSC15135  Trifolium longipes M. T. Milligan 1966-6-14 459 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC181729  Trifolium macrocephalum R. M. Austin 1894-5-1 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC181731  Trifolium macrocephalum Mrs. H. C. Cantelow 1940-5-31 Modoc 8.9 mi. E of Indian Springs. Comment
  SJSU7631  Trifolium macrocephalum H. L. Buckalew 1961-6-23 Modoc near Stowe Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts Comment
  RSA0014359  Trifolium macrocephalum Joan Stewart 2005-6-6 2488 Modoc Stowe Reservoir, Warner Mountains. Comment
  UC190602  Trifolium macrocephalum M. F. Gilman 617 Modoc Mt. Meadow 1828 Comment
  UCD18892  Trifolium macrocephalum Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-5-10 200 Modoc 5 mi. NE along Hwy 139 from its intersection with Hwy 299, south of hwy 139, Canby site. Comment
  CAS-BOT-BC181757  Trifolium productum Bruce Bartholomew 1995-7-31 7105 Modoc Headwaters of the S fork of Davis Creek, E side of the Warner Mountains. 2210 Comment
  CAS-BOT-BC181772  Trifolium productum Bruce Bartholomew 1992-8-8 6379 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  HSC15168  Trifolium repens R. C. Wunner 1965-6-13 174 Modoc Indian Well Ranger Station, Lava Beds National Monument 1454 Comment
  POM313027  Triglochin maritima H. L. Mason, Verne Grant 1947-7-12 13438 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  UC1024936  Trisetum canescens Leo Whitney 1935-7-1 3339 Modoc near Hackamore (ca 15 mi nw of Canby); Modoc National Forest, Sp