Search Results — 2000 specimen records retrieved (1530 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)
Results for search: County=MODOC; Source=All;   

Mapping Options:
BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)
Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(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.
Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA745482  Abies concolor Aaron Liston, Richard Halse 2006-8-4 1272 Modoc Along Highgrade Road ca. 4.4 miles north of Fort Bidwell, north end of the Warner Mtns. 1765 Comment
  CAS-BOT-BC15633  Achillea millefolium John Thomas Howell 1934-6-30 12254 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC15670  Achillea millefolium Bruce Bartholomew 1989-7-14 4926 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC15671  Achillea millefolium Bruce Bartholomew 1989-7-15 5000 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC242288  Achnatherum Louis Cutter Wheeler 1935-8-3 3752 Modoc Dismal Swamp. 2225 Comment
  JEPS70581  Achnatherum hymenoides L. S. Smith 1917-7-13 85 Modoc ridge above R.S. Sec. 2 & 3 ((42-15); Warner Mts. 1981 Comment
  CAS-BOT-BC242277  Achnatherum lemmonii Bruce Bartholomew 1990-6-17 5310 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  UCD50471  Achnatherum lemmonii Beecher Crampton; with Carl Rimbey 1954-7-6 2113 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  UCD50566  Achnatherum lemmonii L. Whitney 1935-7-7 3390 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  UCD50705  Achnatherum lemmonii E. Wilson 1934-5-14 s.n. Modoc East side of pass from Alturas to Cedarville. Comment
  CAS-BOT-BC242319  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1990-7-19 5426 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  UCD32712  Achnatherum nevadense Beecher Crampton 1954-7-7 2143 Modoc Modoc County, open slopes of cedar Pass summit. 1097 Comment
  CAS-BOT-BC242314  Achnatherum occidentale subsp. californicum Bruce Bartholomew 1990-8-5 5661 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2300 Comment
  CAS-BOT-BC242316  Achnatherum occidentale subsp. californicum Elmer Ivan Applegate 1932-7-31 7988 Modoc Mill Creek Meadow. 2438 Comment
  POM229972  Achnatherum occidentale subsp. californicum L. C. Wheeler 1935-8-3 3752 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  UC1024940  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-3 3332 Modoc 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UC1037190  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-23 3554 Modoc 15 mi w Canby (Happy Camp); Modoc National Forest 1463 Comment
  CAS-BOT-BC242309  Achnatherum thurberianum Clare Butterworth Hardham 1961-6-19 7859 Modoc Willow Creek. Comment
  UC1031353  Achnatherum thurberianum Leo Whitney 1935-7-1 3323 Modoc 17 mi nw Canby; Badger Wells Comment
  CHSC111102  Acmispon americanus var. americanus Lowell Ahart; John Dittes 2010-7-12 18354 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  JEPS119559  Acmispon americanus var. americanus Lowell Ahart, John Dittes 2012-7-12 18354 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber Valley. Comment
  UCD104073  Acmispon brachycarpus Herbert L. Mason; Verne Grant 1947-7-10 13332 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  HSC28308  Acmispon wrangelianus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19401 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CAS-BOT-BC218312  Aconitum columbianum Bruce Bartholomew 1992-8-9 6382 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 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
  POM275208  Aconitum columbianum var. columbianum A. M. Alexander, Louise Kellogg 1946-7-23 5082 Modoc S slope Emerson Peak, Warner Mtns. Comment
  CHSC106181  Acroptilon repens Lowell Ahart; John Dittes 2010-8-31 17093 Modoc Just south of the Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC99953  Acroptilon repens Lowell Ahart; John Dittes 2008-8-25 15309 Modoc On the east bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  RSA0055854  Adenocaulon bicolor Doris Bowers 1972-9-2 1894 Modoc Upper Camp, Rush Creek, N/o Adin 1220 Comment
  CDA42846  Adonis aestivalis L. Ahart, John Dittes 2011-6-21 17514 Modoc About 150 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. Comment
  CAS-BOT-BC218321  Adonis aestivalis Leland S. Smith 1912-7-1 1513 Modoc Pit River near Ranger Station. Comment
  CAS-BOT-BC179877  Agastache urticifolia Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10535 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC179888  Agastache urticifolia K. Paulson; Robert Paulson 1988-6-29 69 Modoc Near Plum Valley Camp Ground, Warner Mts.. 1402 Comment
  RSA165592  Agastache urticifolia Clare B. Hardham 1961-6-18 7565 Modoc Warner Mountains, Davis Creek. 2134 Comment
  CAS-BOT-BC15644  Ageratina occidentalis Louis Cutter Wheeler 1935-8-14 3839 Modoc Pine Creek, Warner Mts. 2011 Comment
  HSC5646  Ageratina occidentalis M. T. Milligan 1966-7-7 565 Modoc Slopes and ridges east of Jess Valley 1768 Comment
  UCR34708  Agoseris J. A. Harpel 1981-8-6 V- 37 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  RSA101366  Agoseris glauca var. dasycephala R. Weatherby 1955-7-8 1617 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  CAS-BOT-BC15277  Agoseris heterophylla James D. Jokerst 1983-5-31 1799 Modoc Near Signal Butte 1340 Comment
  CAS-BOT-BC13217  Agoseris monticola Robert J. Weatherby 1955-7-8 1617 Modoc 7 miles N of Ft. Bidwell, northern Warner Mountains 1874 Comment
  CAS-BOT-BC126785  Agoseris parviflora C. L. Hitchcock 1940-5-27 6707 Modoc 15 mi. northeast of Alturas 1676 Comment
  UC1332115  Agoseris parviflora Alice Eastwood and John Thomas Howell 1940-6-11 8029 Modoc 8 mi from, on rd to Alturas Canby Comment
  RSA26447  Agoseris parviflora J. T. Howell, Alice Eastwood 1940-6-11 8029 Modoc 8 miles from Canby on road to Alturas Comment
  RSA416449  Agoseris parviflora Christopher Davidson 1975-6-4 2614 Modoc 2.5 mi W of Cedarville on Hwy 299. South sloping hillside of rocky basalt and red clay. 1677 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
  CAS-BOT-BC242306  Agropyron cristatum Bruce Bartholomew; Barrett Anderson 1990-7-19 5398 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  HSC80913  Agropyron cristatum G. M. Riegel 1979-7-5 494 Modoc S Warner Mtns. 2100 Comment
  UC70679  Agrostis alba Mrs. M. H. Manning 1904-7-7 419 Modoc north-eastern Modoc County Comment
  CAS-BOT-BC242377  Agrostis capillaris Bruce Bartholomew; Barrett Anderson 1988-7-21 4431 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  CHSC110903  Agrostis exarata Lowell Ahart; John Dittes 2012-7-11 18347 Modoc 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  UC1025044  Agrostis exarata Leo Whitney 1935-8-19 3625 Modoc ca 15 mi nw Canby (dam Lake Joaquina); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  JEPS73943  Agrostis exarata L. S. Smith 1918-1 883 Modoc in and around meadows Comment
  JEPS124381  Agrostis gigantea Lowell Ahart, John Dittes 2015-7-16 20370 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC242422  Agrostis pallens Leland S. Smith 1917-7-24 108 Modoc Joseph Creek. 1889 Comment
  UCD53170  Agrostis pallens L. Whitney 1935-7-5 s.n. Modoc Hackamore Reservoir. Comment
  UCD53615  Agrostis stolonifera August L. Hormay 1932-7-15 s.n. Modoc Pease Cabin, Modoc National Forest. Comment
  CAS-BOT-BC245221  Alisma gramineum Herbert Louis Mason 1955-8-13 14653 A Modoc SW side of Goose Lake. Comment
  UC71709  Alisma plantago-aquatica Mrs. M. H. Manning 1903-8-26 319 Modoc ne Modoc County Sessions Swamp Comment
  CAS-BOT-BC445446  Alisma triviale Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39088 Modoc Margin of N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395 1341 Comment
  CAS-BOT-BC245003  Allium acuminatum Elmer Ivan Applegate 1929-6-24 5887 Modoc Between Adin and Canby, Pit River region. Comment
  CAS-BOT-BC245013  Allium acuminatum K. Paulson; Robert Paulson 1989-6-21 138 Modoc Vicinity of N Fork of Fitzhugh Creek, W side of the Warner Mts. 1493 Comment
  CAS-BOT-BC245010  Allium acuminatum K. Paulson; Robert Paulson 1988-6-19 53 Modoc Loveness road. 1493 Comment
  RSA249353  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19477 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  JEPS47629  Allium bisceptrum var. bisceptrum L. S. Smith 1843-1 Modoc Cottonwood Pass Warner Mts., Cottonwood Pass 2133 Comment
  CAS-BOT-BC244986  Allium lemmonii Bruce Bartholomew; Barrett Anderson 1989-6-3 4908 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC244971  Allium platycaule Francis Dorris Payne 1929-6-12 3 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC248331  Allium platycaule B. Bartholomew; H. Sun 2002-6-24 8818 Modoc Just SW of Manzanita Mt. and ca. 15 straight line km NW of Aden 2000 Comment
  CHSC63942  Allium platycaule Marion Ownbey; Fred G. Meyer 1940-7-1 2145 Modoc Cedar Peak, Warner Mts. Comment
  JEPS47621  Allium platycaule L. S. Smith 1843-1 1123 Modoc near Cedarville; Deep Creek 1828 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
  JEPS47622  Allium platycaule E. H. Stiffen 1917-7-10 74 Modoc Bowman ranch Warner Mts., Bowman ranch 1828 Comment
  SEINET12048087  Allium platycaule Unknown 1945-1 48 Modoc grown at Pullman, WA, Cedar Peak, Warner Mts Comment
  SEINET3878894  Allium platycaule D. W. McNeal 1980-6-2 2341 Modoc On a hillside above Hwy #395, 9.7 mi S of Davis Creek.; 0 Comment
  SEINET5641928  Allium platycaule Helen K. Sharsmith 1955-6-22 4484 Modoc Warner Mountains, Modoc National Forest.; 0 1890 Comment
  UCD143204  Allium platycaule L. K. Mann 1955-6-5 s.n. Modoc Near Cedar Pass, 3 miles towards Alturas from Modoc National Forest. Comment
  SEINET198607  Allium siskiyouense Annie M. Alexander, L Kellogg 1946-6-26 4835 Modoc Dismal Swamp N end of Warner Mtns 2256 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
  JEPS47628  Allium tolmiei var. tolmiei Mrs. R. M. Austin May 1894 165 Modoc Adobe Flats Goose Lake Valley, Adobe Flats Comment
  UC1093653  Allophyllum integrifolium Herbert L. Mason 1957-7-6 14719 Modoc Warner Mts., Mill Creek Comment
  HSC8874  Alopecurus aequalis M. T. Milligan 1966-6-30 510 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  RSA26257  Alopecurus aequalis Alice Eastwood, J. T. Howell 1940-6-12 8088 a Modoc Jess Valley Comment
  UC1100228  Alopecurus aequalis Herbert L. Mason 1947-8-13 13520 Modoc n. of Canby (n.e. side of F reservoir) Comment
  UC1100229  Alopecurus aequalis Verne Grant and Irving Schneider 1947-7-19 8082 Modoc Williams Ranch n. of Likely Comment
  CAS-BOT-BC242342  Alopecurus geniculatus Bruce Bartholomew; Barrett Anderson 1990-7-19 5444 Modoc Sweagert Flat. 1860 Comment
  UC1100226  Alopecurus geniculatus Herbert L. Mason and Verne Grant 1947-7-12 13396 Modoc several mi. s. Alturas (irrgation ditch by Jones' Lane, off Hwy. 395) Comment
  CHSC99777  Alopecurus pratensis Lowell Ahart; John Dittes 2008-6-21 14988 Modoc On dry soil, about 10 yards north of a large culvert, on the large levee mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  JEPS101109  Alopecurus pratensis Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12529 Modoc 0.5 mile E of Duncan Reservoir, on hillside on western rim of Black Canyon 1524 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
  CAS-BOT-BC58650  Alyssum simplex Bruce Bartholomew; Barrett Anderson 1988-5-13 4179 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mts.. 1450 Comment
  SEINET5340081  Alyssum simplex M. J. Williams 1988-5-28 88- 19 -4 Modoc Hwy 395, intersection with Davis Creek road. Comment
  CDA34280  Amaranthus blitoides L. Ahart, J. Dittes 2010-8-31 17106 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, and about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CDA36738  Amaranthus blitoides Richard R. Halse 2010-9-2 8110 Modoc Warner Mountains; Modoc National Forest; along State Hwy 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead. Comment
  RSA768065  Amaranthus californicus L. Ahart, John Dittes 2010-8-31 17106 Modoc 10 yrds west of Elkins Lane, about 150 yrds north of bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley 1275 Comment
  HSC41462  Amelanchier alnifolia J. P. Smith, J. O. Sawyer 1973-8-9 7265 Modoc Blue Lake, Modoc National Forest 1829 Comment
  NY849711  Amelanchier alnifolia var. alnifolia C. L. Hitchcock 1940-5-27 6701 Modoc 15 miles northeast of Alturas 1676 Comment
  RSA520439  Amelanchier pallida Bruce Bartholomew 1990-4-28 5207 Modoc 6.3 km SE of Rush Creek on road to Hunters Ridge. 1670 Comment
  RSA59973  Amelanchier pallida E. K. Balls 1950-5-13 14678 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line. 1463 Comment
  CAS-BOT-BC214630  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1989-6-1 4772 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  CAS-BOT-BC217094  Amelanchier utahensis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16415 Modoc Mountainside near summit of Cedar Pass, between Alturas and Cedarville. Comment
  CAS-BOT-BC217099  Amelanchier utahensis Annie Montague Alexander; L. Kellogg 1946-6-5 4658 A Modoc Emerson Creek, S of Eagleville, Warner Mts. 1783 Comment
  CHSC100458  Amelanchier utahensis Lowell Ahart; John Dittes 2008-8-25 15326 Modoc On the east side of East Gouger Neck Road, east of the Pit River, 2.1 miles by road from County Road 91, 5.6 miles (air) northeast of Lookout. 1293 Comment
  UC12079  Amelanchier utahensis Mrs. R. M. Austin and Bruce Jun 1898 2346 Modoc Goose Lake valley; Goose Lake Comment
  CAS-BOT-BC217096  Amelanchier utahensis R. M. Austin 1894-1-1 s.n. Modoc Modoc County. Comment
  UCSB18015  Amelanchier utahensis Haller, John 1962-6-8 Modoc Slopes adjacent to South Fork of the Pit River, near Little Meadows Campground, Likely-Eagleville Road about 8 miles East of Likely, Warner Mountains 1584 Comment
  CHSC100112  Amphiscirpus nevadensis L. P. Janeway; B. Castro 2008-8-16 9544 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  CAS-BOT-BC54151  Amsinckia menziesii Annie Montague Alexander; L. Kellogg 1946-6-12 4727 Modoc 1 mi. E of Lake City. 1414 Comment
  CAS-BOT-BC54200  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1940-6-13 8163 Modoc Fort Bidwell. Comment
  CAS-BOT-BC54169  Amsinckia tessellata var. tessellata Bruce Bartholomew 1991-5-24 5724 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  UC1540003  Amsinckia tessellata var. tessellata M. Mitchell 1936-5-21 48 Modoc 2 mi se of Hospital Rock; Lava Beds National Monument 1249 Comment
  UC1035989  Amsinckia tessellata var. tessellata Helen K. Sharsmith 1955-6-22 4502 Modoc just outside w boundary of Modoc National Forest (w slope Warner Mountains, West Valley resevoir); Warner Mountains, West Valley 1524 Comment
  CAS-BOT-BC15609  Ancistrocarphus filagineus Bruce Bartholomew 1990-6-18 5382 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  SJSU9567  Ancistrocarphus filagineus W. Savage 1979-7-3 1309 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC30587  Anemone drummondii P. V. Caldwell 1972-7-13 298 Modoc On the west slope at Patterson Lake in the Warner Mtns. Comment
  CAS-BOT-BC15617  Antennaria argentea John Thomas Howell 1934-6-11 11968 Modoc Parker Creek. 1584 Comment
  UC748335  Antennaria argentea Annie M. Alexander and Louise Kellogg 1946-6-17 4785 Modoc Cedar Pass Road 1767 Comment
  CAS-BOT-BC15579  Antennaria dimorpha Bruce Bartholomew; Barrett Anderson 1989-4-27 4609 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC15623  Antennaria dimorpha Mrs. H. C. Cantelow 1941-5-23 3510 Modoc 2 mi. W of Adin summit on Hwy 299, E of Bieber. Comment
  CHSC66986  Antennaria geyeri James D. Jokerst 1987-5-11 2837 Modoc g strand of the 1353 Comment
  POM203063  Antennaria geyeri J. T. Howell 1934-6-30 12255 Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC15585  Antennaria geyeri Frank Warrington Peirson 1926-6-26 6909 Modoc NW of Canby. Comment
  CAS-BOT-BC15554  Antennaria luzuloides John H. Hatton 1911-6-14 90 Modoc Pit River Ranger Station. 1295 Comment
  POM40363  Antennaria luzuloides Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  POM229952  Antennaria rosea L. C. Wheeler 1935-8-8 3808 Modoc Warner Mountains: N Fork Bidwell Creek. 2378 Comment
  UC190692  Antennaria rosea M. F. Gilman 646 Modoc 1676 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
  CHSC117244  Anthemis cotula Lowell Ahart 2016-7-16 21237 Modoc Between the first pond and the second going west, south of Ash creek Canal (now filled in) south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CDA1734  Apera interrupta P. H. Raven, O. T. Solbrig 1958-6-17 13307 Modoc Along United States Highway 299, 2.6 miles west of Alturas. 0 Comment
  CHSC112047  Apera interrupta Lowell Ahart; John Dittes 2012-7-10 18324 Modoc On dry soil, along the south side of the drainage, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC117819  Aphyllon purpureum L. P. Janeway 2016-5-18 12094 Modoc Modoc Plateau. Devils Garden area; along Road 48N28 .7 road-km east of Road 7/48N08/Crowder Flat Road; 3.9 air-km east of Weed Valley. 1627 Comment
  CHSC12927  Aphyllon purpureum L. Mayer 1974-6-3 Modoc Soldier Creek, Warner Mts., near Cedarville. Comment
  CAS-BOT-BC15692  Apocynum androsaemifolium K. Paulson; Robert Paulson 1989-7-2 167 Modoc N side of the Pit River ca. 3 mi. E of County Rte. 91. 1578 Comment
  UC22910  Apocynum androsaemifolium Milo S. Baker 1893-1 Modoc Comment
  CAS-BOT-BC15696  Apocynum cannabinum Bruce Bartholomew 1994-7-1 6767 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  SFV18021  Apocynum cannabinum 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
  CAS-BOT-BC218344  Aquilegia formosa var. formosa Bruce Bartholomew; Barrett Anderson 1988-6-24 4353 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  CAS-BOT-BC218346  Aquilegia formosa var. formosa Leland S. Smith 1922-7-20 1306 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  CAS-BOT-BC218349  Aquilegia formosa var. formosa John Thomas Howell 1934-6-11 11952 Modoc Parker Creek, Warner Mts. 1584 Comment
  UC1586876  Arabis Juha Pykala and D. H. Norris 1987-5-27 1044 Modoc between Lower and Upper Rush Creek Campgrounds; Modoc National Forest 1493 Comment
  UC10127  Arabis glabra Milo S. Baker 1893-6-24 Modoc near Pit River Comment
  HSC6561  Arabis lemmonii M. T. Milligan 1965-7-10 440 Modoc W slope of Eagle Peak 3016 Comment
  HSC6566  Arabis sparsiflora var. subvillosa M. T. Milligan 1966-5-14 621 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC95645  Arctostaphylos nevadensis Bruce Bartholomew; Barrett Anderson 1988-6-24 4325 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC95654  Arctostaphylos patula Bruce Bartholomew; Barrett Anderson 1989-4-27 4613 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  RSA488026  Arctostaphylos patula Bruce Bartholomew, B. Anderson, Bartholomew 1988-5-12 4093 Modoc 4 km NW of White Horse. 1350 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
  UC852270  Arenaria congesta var. subcongesta C. L. Hitchcock 1940-5-28 6723 Modoc 15 mi n Alturas ((near Surprise)) 1402 Comment
  CAS-BOT-BC242411  Aristida oligantha Louis Cutter Wheeler 1935-9-6 3959 Modoc Fletcher Creek. 1524 Comment
  NY158389  Arnica bruceae Mrs. C. C. Bruce 06 1898 2174 Modoc Lake Annie Comment
  CHSC77182  Arnica chamissonis G. Schoolcraft 1996-7-22 2539 Modoc Meadow east of Yankey Jim Ranch (SE of Alturas). 91 Comment
Read comments Feb 27 2007
  UC29628  Arnica chamissonis Milo S. Baker 1893-6-20 Modoc Egg Lake Comment
  CAS-BOT-BC15567  Arnica chamissonis subsp. foliosa Annie Montague Alexander; L. Kellogg 1946-7-7 4926 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC15418  Arnica cordifolia James T. Vale; K. Wagnon; Walter Knight; Irja Knight 1981-5-22 4113 Modoc 10 mi. E of Alturas on County Road 56 at Parker Creek. Comment
  CHSC109457  Arnica cordifolia B. Castro; L. P. Janeway 2012-7-24 1949 Modoc Warner Mountains. Flat ridgetop near Sunshine and Moonlight Mines, along Road 48N21 ca 1 air mi SW of Dismal Swamp. 2315 Comment
  POM260005  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC15424  Arnica discoidea Bruce Bartholomew 1989-7-14 4979 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 Comment
  UC936274  Arnica longifolia Annie M. Alexander and Louise Kellogg 1946-7-23 5057 Modoc northeast, in rockslide below cliff Emerson Peak; Warner Mountains, Emerson Peak Comment
  CAS-BOT-BC15251  Arnica sororia Francis Dorris Payne 1932-6-24 598 Modoc Parker Creek. 1584 Comment
  HSC81047  Arnica sororia G. M. Riegel 1979-7-14 541 Modoc South Warner Mountains 1670 Comment
  SEINET3096630 Image available Arnica sororia Alice Eastwood, John Thomas Howell 1940-6-12 8088 Modoc Jess Valley Comment
  CHSC113084  Arrhenatherum elatius Lowell Ahart; John Dittes 2013-7-24 18936 Modoc South bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  JEPS121214  Arrhenatherum elatius Lowell Ahart, John Dittes 2013-7-24 18936 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
  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
  CHSC96339  Artemisia cana subsp. bolanderi Richard R. Halse 2006-8-4 6995 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  HSC65614  Artemisia douglasiana Thomas Wood 1979-8-11 250 Modoc 4 mi. S of Fort Bidwell on Co. Hwy. 1 1396 Comment
  UCD129331  Artemisia ludoviciana subsp. incompta K. L. Chambers; Ron Tyrl 1965-9-22 2432 Modoc Cedar Pass, Warner Mountains. Northern portion of the state. 1920 Comment
  CAS-BOT-BC15269  Artemisia ludoviciana subsp. ludoviciana Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10566 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  CAS-BOT-BC15275  Artemisia ludoviciana subsp. ludoviciana L. B. Kildale 1926-9-11 s.n. Modoc Alturas. 1371 Comment
  CHSC100007  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; John Dittes 2008-8-25 15278 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  HSC65590  Artemisia ludoviciana subsp. ludoviciana Thomas Wood 1979-8-9 238 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  UC217079  Artemisia nova H. M. Hall 1921-9-10 11672 Modoc 24 mi s Alturas Comment
Read comments Jul 23 2013
  UCR64882  Artemisia tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC15204  Artemisia tridentata subsp. tridentata Frances Payne 1934-8-29 s.n. Modoc Parker Creek 1584 Comment
  CAS-BOT-BC15210  Artemisia tridentata subsp. tridentata F. Angwin 1945-10-7 s.n. Modoc Big Valley. 1280 Comment
  CAS-BOT-BC15211  Artemisia tridentata subsp. tridentata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 120 Modoc Parker Creek at Modoc National Forest boundary. Comment
  CDA13469  Artemisia tridentata subsp. tridentata G. F. Hrusa, T. D. Wilfred 1996-7-21 13316 Modoc Modoc Plateau; Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  HSC81038  Artemisia tridentata subsp. tridentata G. M. Riegel 1979-7-28 615 Modoc South Warner Mountains 1739 Comment
  CAS-BOT-BC15657  Asclepias cordifolia Bruce Bartholomew 1990-6-15 5218 Modoc SW side of of Hunters Ridge, 6.3 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  RSA152745  Asclepias cordifolia I. L. Wiggins, Dorothy Wiggins 1961-6-12 16441 Modoc Along Cedar Pass road 4 mi. E of Cedar Pass Summit Comment
  UC748423  Asclepias fascicularis Annie M. Alexander and Louise Kellogg 1946-7-7 4922 Modoc Lake Annie Comment
  UC71609  Asclepias fascicularis Mrs. M. H. Manning August, 1904 206 Modoc canyon near Fort Bidwell (the old sawmill) Comment
  CAS-BOT-BC15664  Asclepias speciosa Bruce Bartholomew 1994-7-4 6847 Modoc Hubert Creek. 1390 Comment
  POM39128  Aster frondosus Mrs. R. M. Austin 1895-09 441 Modoc Shores of Goose Lake Comment
  RSA608617  Aster integrifolius L. C. Wheeler 1935-8-16 3888 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC180155  Astragalus Leland S. Smith 1924-5-31 1351 Modoc Egg Lake Ranch S of house. Comment
  UC13419  Astragalus canadensis var. brevidens Mrs. R. M. Austin and Bruce July 1898 2213 Modoc shore Goose Lake; shore Goose Lake Comment
  CDA26650  Astragalus curvicarpus T. C. Fuller 1965-6-3 13605 Modoc West side of Highway 395 to Alturas, 6.5 miles north of Likely. 0 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-BC218221  Astragalus curvicarpus var. curvicarpus Elmer Ivan Applegate 1897-5-31 880 Modoc E side of Tule Lake below Bloody Point. Comment
  CHSC99288  Astragalus curvicarpus var. curvicarpus Lowell Ahart; John Dittes 2008-6-20 14976 Modoc Upland on the northeast side of Big Valley, about 5.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 8.3 miles (air) northeast of Bieber. 1287 Comment
  NY803541  Astragalus curvicarpus var. curvicarpus L. S. Rose 1940-6-11 40513 Modoc Canby 1326 Comment
  UC862747  Astragalus curvicarpus var. curvicarpus Lewis S. Rose 1940-6-11 40513 Modoc Canby 1325 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
  CHSC42317  Astragalus filipes A. A. Heller 1938-6-24 15226 Modoc Common at several places on roadside banks between Alturas and Canby in the Upper Sonoran Life Zone. 1219 Comment
  CHSC99289  Astragalus filipes Lowell Ahart; John Dittes 2008-6-20 14976 Modoc Upland on the northeast side of Big Valley, about 5.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 8.3 miles (air) northeast of Bieber. 1287 Comment
  JEPS126491  Astragalus filipes Jennifer Mueller 2016-7-18 CA 370 -231 Modoc Take county road 27 up Granger Canyon. Comment
  JEPS54661  Astragalus filipes Mrs. R. M. Austin and Mrs. C. C. Bruce June 1898 Modoc Goose Lake , valley plains Comment
  NY658481  Astragalus filipes S. L. Welsh 2001-6-14 28159 Modoc Ca. 6 miles S of Alturas. Along Hwy. 395 Comment
  CAS-BOT-BC182963  Astragalus filipes Mrs. R. M. Austin; Mrs. Bruce 1898-6-1 2208 Modoc Plains - Goose Lake Comment
  HSC14515  Astragalus filipes M. T. Milligan 1964-6-20 58 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  HSC7242  Astragalus filipes R. C. Wunner 1965-6-13 160 Modoc Lava Beds National Monument, Gillems Camp near old dump. 1220 Comment
  JEPS54662  Astragalus filipes L. S. Smith 1918-1 Modoc Warner Mts. Comment
  RSA0029193  Astragalus filipes John F. Emmel 1997-6-8 1493 Modoc Along Hwy 395 ca. 5.5 road mi south of Alturas, 0.6 road mi south of highway crossing of South Fork Pit River. 1341 Comment
  UC13366  Astragalus filipes Milo S. Baker 1893-7-3 Modoc top of bare rocky hill Comment
  UC862723  Astragalus filipes A. A. Heller 1938-6-24 15226 Modoc on U.S. Highway #299 between Alturas Canby; between Alturas and Canby 1341 Comment
  CAS-BOT-BC182058  Astragalus inversus Leo David Whitney 1934-5-24 1964 Modoc Near Hackamore. 1463 Comment
  SJSU9576  Astragalus obscurus W. Savage 1979-7-3 1330 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC12155  Astragalus purshii J. Grove 1973-4-29 82 Modoc Collected 1 mi. w of Adin. 1219 Comment
  CAS-BOT-BC182032  Astragalus purshii Elmer Ivan Applegate 1935-6-7 9392 Modoc Sheepherders Road, Lava Beds National Monument. Comment
  UC71811  Astragalus purshii var. tinctus Mrs. M. H. Manning 1903-5 97 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  CAS-BOT-BC182011  Astragalus whitneyi var. lenophyllus Clare Butterworth Hardham 1961-6-18 7578 Modoc Mountains S of Cedar Pass, Warner Mts. Comment
  UC399387  Athyrium filix-femina var. cyclosorum unknown 1900-9-5 Modoc near Forestdale Comment
  CAS-BOT-BC17521  Athysanus pusillus B. Bartholomew 1991-6-21 5821 Modoc Vicinity of Drift Fence Tank, 2 km south of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  SBBG117943  Athysanus pusillus R. C. Rollins, K. Rollins 1981-6-1 81189 Modoc Cedar Summit between Alturas and Cedarville, off St Hwy 299 1889 Comment
  UC10228  Athysanus pusillus Milo S. Baker 1893-6-4 Modoc Modoc County, California Modoc County; , California Comment
  NY526833  Atriplex confertifolia B. M. Bartholomew 1989-4-29 4707 Modoc Southwest corner of Lower Lake, 1.8 km north of the Lassen County line, Surprise Valley. 1370 Comment
  CAS-BOT-BC95509  Atriplex rosea Mary DeDecker 1974-10-28 3710 Modoc Just S of Alturas along Highway 395. Comment
  CDA20223  Atriplex rosea G. Deal 2003-9-19 PDR 1151625 Modoc Modoc Plateau; Hwy 299 & 139, near Adin. 1289 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
  POM260881  Atriplex truncata Alice Eastwood, J. T. Howell 1940-6-12 8100 Modoc Midway between Likely and Alturas. Comment
  RSA639346  Azolla filiculoides Louis Cutter Wheeler 1935-9-29 4013 Modoc Two miles south of Alturas 1357 Comment
  UC485508  Baccharis salicifolia subsp. salicifolia Mrs. R. M. Austin 189 Modoc Comment
  UC30508  Balsamorhiza hookeri Mrs. R. M. Austin and Bruce 1894-5-1 Modoc Goose Lake Valley Comment
  UC71743  Balsamorhiza hookeri Mrs. M. H. Manning 1904-6-1 470 Modoc Mt. Bidwell 1676 Comment
  UC88462  Balsamorhiza hookeri Mrs. R. M. Austin Jun 1894 Modoc Goose Lake Valley Comment
  CAS-BOT-BC15179  Balsamorhiza hookeri var. lanata Lindsay Stuart Smith; E. H. Steffen 1917-5-27 17 Modoc West Valley camp and Jess Valley. 1554 Comment
  CAS-BOT-BC15185  Balsamorhiza hookeri var. lanata Margaret J. Williams; Thad Holcomb; Betty Holcomb; L. Saxton 1988-5-28 Modoc Hwy 395, intersection with Davis Creek Road. Comment
  CAS-BOT-BC15187  Balsamorhiza hookeri var. lanata M. M. Hanna 1956-6-5 s.n. Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC15128  Balsamorhiza sagittata Gordon H. True 1964-6-3 1435 Modoc North Fork Pit River between Alturas and Goose Lake. 1432 Comment
  SEINET3141609  Balsamorhiza sagittata E. K. Balls 1950-5-10 15966 Modoc .5 mi. E past fork on Hwy. 395 & rd. rom Alturas 1585 Comment
  CAS-BOT-BC15138  Balsamorhiza serrata Isabelo T. Kelly 1930-1-1 17 Modoc unspecified Comment
  UC10252  Barbarea orthoceras Milo S. Baker 1893-6 Modoc collect in Modoc Co. near stream Comment
  JEPS124361  Beckmannia syzigachne Lowell Ahart, John Dittes 2015-7-16 20372 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  RSA210784  Beckmannia syzigachne R. F. Thorne, C. W. Tilforth 1969-9-4 39057 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1433 Comment
  SEINET249751  Beckmannia syzigachne John H. Hatton 1911-6-23 2798 Modoc Modoc National Forest; Modoc National Forest 1676 Comment
  RSA0005404  Beckwithia austinae R. M. Austin, C. C. Bruce 1898-06 2134 Modoc Lake City Mt. Western slope. Comment
  CAS-BOT-BC54177  Berberis aquifolium var. repens Bruce Bartholomew 1989-8-10 5048 Modoc 8.7 km E of Day on County Road 94. Comment
  SJSU9698  Berberis aquifolium var. repens W. Savage 1979-7-10 Modoc Oreghon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  SEINET256813  Berberis repens M. J. Williams 1984-6-29 84 -725 Modoc Cave Lake W side of the Warner Mtns 2134 Comment
  NY526320  Betula occidentalis B. M. Bartholomew 1988-6-24 4350 Modoc South Barber Creek, 6.3 km southwest of County Road 1 on County Road 42, east side of the Warner Mountains. Snake Lake 7 1/2' Quad. 1790 Comment
  CAS-BOT-BC497325  Betula occidentalis John Thomas Howell 1934-6-13 12095 Modoc Warner Mts., Patterson Mill Road 1676 Comment
  CHSC117263  Bidens cernua Lowell Ahart; John Dittes 2016-7-14 21152 Modoc Northwest of a new pond, south bank of Ask 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-BC15145  Bidens cernua var. cernua John Thomas Howell 1934-7-2 12354 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  UC1192174  Bidens frondosa Verne Grant and Irving Schneider 1947-7-19 8068 Modoc s of Alturas (Corporation ranch; irrigation ditch s of south loop road) Comment
  CAS-BOT-BC15101  Bidens laevis Bruce Bartholomew 1992-8-7 6352 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  CAS-BOT-BC218108  Bistorta bistortoides Bruce Bartholomew 1992-5-16 6329 Modoc Lunsford Spring 1600 Comment
  CAS-BOT-BC218118  Bistorta bistortoides Bruce Bartholomew 1990-6-15 5236 Modoc SE corner of Sweagert Flat. 1860 Comment
  NY407588  Bistorta bistortoides M. S. Baker s.n. Modoc Edge of swampy meadow Comment
  UCD98821  Bistorta bistortoides Harry A. George 1967-6-15 s.n. Modoc Egg Lake, Gridley. Comment
  CAS-BOT-BC15114  Blepharipappus scaber Bruce Bartholomew 1990-6-17 5301 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  HSC28524  Blepharipappus scaber D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19388 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  SBBG14875  Blepharipappus scaber A. I. Richardson 1961-5-31 10 Modoc near Adin 1301 Comment
  CAS-BOT-BC15078  Blepharipappus scaber Louis Cutter Wheeler 1935-8-1 3725 Modoc Pine Creek, Warner Mts. 1767 Comment
  OBI77379  Blepharipappus scaber Lewis S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  SJSU8832  Blepharipappus scaber R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  UC726571  Blepharipappus scaber A. A. Heller 1941-6-26 16219 Modoc 3 mi w of Canby (along U.S. 299); U.S. 299 Comment
  CAS-BOT-BC13908  Boechera lemmonii Annie M. Alexander; Louise Kellogg 1946-7-30 5095 Modoc Eagle Peak, Warner Mountains. East slope below summit. Comment
  CAS-BOT-BC35122  Boechera microphylla Annie Montague Alexander; L. Kellogg 1946-7-24 5074 Modoc Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC14093  Boechera pauciflora Annie M. Alexander; Louise Kellogg 1946-6-30 4880 Modoc North end of Warner Mountains. Highgrade, west side of ridge. Edge meadow. 2377 Comment
  CAS-BOT-BC100297  Boechera puberula John Thomas Howell 1934-6-11 11935 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC35123  Boechera puberula E. S. Willits 1940-5-6 225 Modoc Davis Creek. Comment
  UCD150423  Boechera puberula Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  CAS-BOT-BC58292  Boechera retrofracta Betty J. Hammerly 1941-6-20 40 Modoc Between Mill Creek Public Camp and Clear Lake. Comment
  UC117909  Boechera retrofracta unknown Jun 1894 209 Modoc Willow Creek Valley Comment
  CAS-BOT-BC25702  Boechera sparsiflora John Thomas Howell 1934-6-14 12138 Modoc Warner Mountains. Near Lost Lake. 2438 Comment
  CAS-BOT-BC95742  Boechera sparsiflora Annie Montague Alexander; L. Kellogg 1946-6-5 4670 Modoc Emerson Creek, S of Eagleville, Warner Mts. 1889 Comment
  UC190606  Boechera sparsiflora M. F. Gilman 530 Modoc Comment
  CAS-BOT-BC25903  Boechera suffrutescens Marion Ownbey; Fred G. Meyer 1940-7-1 2147 Modoc Warner Mountains. Cedar Peak. Comment
  RSA166296  Boisduvalia glabella Peter H. Raven, Otto T. Solbrig 1958-6-18 13332 Modoc Eastern outskirts of Lookout Comment
  UC70020  Bolboschoenus maritimus Mrs. M. H. Manning August 1903 436 Modoc north-eastern Modoc County Comment
  CAS-BOT-BC244940  Brodiaea coronaria subsp. coronaria M. Vasey 1990-6-30 9034 Modoc 0.2 mi. from junction of Lava Camp Road and road to Egg Lake. 1300 Comment
  HSC30077  Brodiaea coronaria subsp. coronaria D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19496 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC242401  Bromus briziformis Gordon H. True 1964-6-3 1454 Modoc N fork Pit River between Alturas and Goose Lake. 1463 Comment
  JEPS73957  Bromus briziformis Frances D. Payne 1932-7-3 591 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  POM364017  Bromus briziformis Christopher Davidson 1975-6-4 2602 Modoc 0.4 mi E of Hwy 395 on Hwy 299 toward Cedarville.Fenced pasture on S side of rd. 1380 Comment
  SEINET4345019  Bromus briziformis M. J. Williams 1984-7-1 84- 85 -1 Modoc NW of Alturas, 3.1 mi N of Hwy 299, on the Crowder Flat road 1372 Comment
  CAS-BOT-BC242432  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1990-7-19 5427 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  UC1024888  Bromus carinatus var. carinatus Leo Whitney 1935-5-29 3130 Modoc 18 mi wnw of Canby (Hole-in-the-rock); Hole-in-the-rock Comment
  UC1024889  Bromus carinatus var. carinatus Leo Whitney 1935-5-25 3127 Modoc 15 mi nw of Canby (Modoc National Forest, Lake Joaquina, Hackamore); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1024964  Bromus carinatus var. carinatus Leo Whitney 1935-7-6 3446 Modoc Pit River near Lookout; Pit River Comment
  UCD32704  Bromus carinatus var. marginatus Beecher Crampton 1954-7-7 2127 Modoc Modoc County, west side of Cedar Pass. Comment
  UCD59214  Bromus carinatus var. marginatus August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  CAS-BOT-BC242462  Bromus japonicus Bruce Bartholomew; Barrett Anderson 1988-6-23 4219 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  JEPS119962  Bromus japonicus Lowell Ahart, John Dittes 2012-7-10 18313 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  RSA638220  Bromus japonicus L. C. Wheeler 1973-8-23 s.n. Modoc Big Mud Lake. Comment
Read comments Nov 25 2015
  UCD58866  Bromus japonicus L. D. Whitney 1935-8-3 s.n. Modoc Buck Creek. North Warner Mts. Comment
  RSA534586  Bromus marginatus Bruce Bartholomew 1989-7-15 4994 Modoc Sweagert Flat. 567 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
  UC1024707  Bromus racemosus Leo Whitney 1934-5-13 2137 Modoc Weed Valley 1524 Comment
  RSA603016  Bromus suksdorfii L. C. Wheeler 1935-8-3 3754 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  CAS-BOT-BC242458  Bromus tectorum Bruce Bartholomew; Barrett Anderson 1990-7-19 5428 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC242500  Bromus tectorum Leland S. Smith 1924-5-3 1349 Modoc Egg Lake. 1310 Comment
  CHSC85143  Bromus tectorum John Dittes; Josephine Guardino 1991-6-1 364 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; at southern edge of Ash Creek Floodplain. 1271 Comment
  SEINET3923573  Bromus tectorum Leo Whitney 1935-5-26 3155 Modoc Ash Ceek, 10 miles east of Adin.; 0 Comment
  HSC88841  Calamagrostis stricta subsp. inexpansa J. P. Smith, J. O. Sawyer 1973-8-9 7276 Modoc Blue Lake, Modoc National Forest 1829 Comment
  CAS-BOT-BC197587  Calandrinia ciliata Bruce Bartholomew 1995-8-1 7146 Modoc 12 Mile Creek, E side of the Warner Mountains. 2110 Comment
  CHSC117055  Callitriche palustris Lowell Ahart; John Dittes 2016-6-6 20967 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC117242  Callitriche palustris Lowell Ahart; John Dittes 2016-7-16 21251 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
  UCD123516  Callitriche palustris Herbert L. Mason; Verne Grant 1947-7-12 13428 Modoc south loop west side road, north of Likely. Comment
  JEPS42845  Callitriche verna Frances Payne 1935-8-25 808 Modoc Parker Creek 1584 Comment
  CAS-BOT-BC85785  Calocedrus decurrens Elmer I. Applegate 1932-7-6 8208 Modoc Bidwell Creek above Ft. Bidwell Comment
  CHSC96338  Calocedrus decurrens Richard R. Halse 2006-8-4 6999 Modoc Along Highgrade Road ca. 4.4 miles north of Fort Bidwell, north end of the Warner Mountains, east slope. 1765 Comment
  HSC15887  Calochortus bruneaunis M. T. Milligan 1964-8-9 224 Modoc Rim of Pine Creek 1982 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
  HSC81152  Calochortus leichtlinii G. M. Riegel 1979-7-15 527 Modoc S Warner Mtns. 1739 Comment
  CHSC67724  Calochortus longebarbatus J. D. Jokerst 1983-7-18 1856 Modoc West of and adjacent to forest service rd 5500, 0.2 miles N of the road junction that is at the center of the E edge of section 8. CALO-2. Comment
Read comments Aug 4 2018
  CAS-BOT-BC242137  Calochortus macrocarpus Barrett Anderson 1986-7-9 3142 Modoc Bushy Flat Rd along the Pit River, just E of Hwy 299. 1500 Comment
Read comments Aug 3 2018
  CAS-BOT-BC242148  Calochortus macrocarpus C. C. (Mrs.) Bruce 1898-8-1 s.n. Modoc Goose Lake valley. Comment
  CHSC117360  Calochortus macrocarpus Lowell Ahart; John Dittes 2016-7-14 21151 Modoc South 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
  RSA78908  Calochortus macrocarpus E. K. Balls, Percy C. Everett 1952-10-10 18149 Modoc Above S. Fk. Public Camp, 8 mi. E. of Likely on road to Jess Valley. 1555 Comment
  SEINET3260052 Image available Calochortus macrocarpus Annie M. Alexander, Louise Kellogg 1946-7-7 4920 Modoc Slope west of Lake Annie. Comment
  POM275206  Caltha howellii A. M. Alexander, Louise Kellogg 1946-6-26 4829 Modoc Dismal Swamp, N end of Warner Mtns. 2256 Comment
  CAS-BOT-BC217326  Caltha leptosepala Bruce Bartholomew 1991-6-21 5800 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  UC748207  Caltha leptosepala Annie M. Alexander and Louise Kellogg 1946-6-26 4829 Modoc Dismal Swamp, north end of Warner Mountains. 2255 Comment
  CAS-BOT-BC197578  Calyptridium umbellatum Bruce Bartholomew 1991-7-6 5969 Modoc Service Gulch, 4.3 km W of County Road 91 on Forest Service road 42N03. 1330 Comment
  HSC17642  Calyptridium umbellatum M. T. Milligan 1964-7-25 167 Modoc Pine Creek Basin, along trail. 2439 Comment
  JEPS52529  Calyptridium umbellatum Milo S. Baker 1893-6 Modoc Egg Lake 1371 Comment
  UC635439  Calyptridium umbellatum F. H. Frost 1925-7-25 164 Modoc Eagle Peak; Warner Mountains, Eagle Peak Comment
  UC7759  Calyptridium umbellatum Mrs. R. M. Austin and Bruce June 1898 2225 Modoc Goose Lake Valley Comment
  UCR34758  Calyptridium umbellatum J. A. Harpel 1981-8-6 V- 35 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC748278  Calyptridium umbellatum Annie M. Alexander and Louise Kellogg 1946-6-25 4825 Modoc Dismal Swamp, at n end of Warner Mountains Dismal Swamp; Warner Mountains, Dismal Swamp 2255 Comment
  POM312923  Camassia quamash subsp. breviflora Malcolm A. Nobs, S. Galen Smith 1949-5-29 773 Modoc 1 mile east of Lake City Comment
  RSA59816  Camassia quamash subsp. breviflora E. K. Balls 1950-5-15 14697 Modoc 15.8 miles northwest of Canby, Highway 139, by to to Hackamore 1402 Comment
  JEPS61559  Camassia quamash subsp. quamash Frances D. Payne 1929-6-19 11 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CHSC85128  Camelina microcarpa John Dittes; Josephine Guardino 1991-6-1 345 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  JEPS121200  Camelina microcarpa Lowell Ahart, John Dittes 2013-7-25 18951 Modoc About 100 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC191119  Camissonia boothii subsp. alyssoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6451 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC191114  Camissonia claviformis subsp. cruciformis Bruce Bartholomew 1990-6-17 5315 Modoc Surprise Valley, 6.8 km W of Eagleville. 1390 Comment
  RSA520344  Camissonia claviformis subsp. cruciformis Bruce Bartholomew, B. Anderson 1989-6-2 4838 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  NY851236  Camissonia claviformis var. cruciformis B. M. Bartholomew 1990-6-17 5315 Modoc Surprise Valley, 6.8 km west of Eagleville 1390 Comment
  HSC16482  Camissonia subacaulis M. T. Milligan 1964-6-25 80 Modoc Upper Lassen Creek 1829 Comment
  CAS-BOT-BC191097  Camissonia subacaulis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16481 Modoc Along Lassen Creek, on road to Davis Creek. Comment
  POM38366  Camissonia subacaulis R. M. Austin 1895-07 425 Modoc Willow Creek (Devils Garden) Comment
  CAS-BOT-BC160855  Camissonia tanacetifolia subsp. tanacetifolia Lillian Mott 1976-5-29 2 LM76 Modoc Big Sage Reservoir road, Devil's Garden, north of Alturas 1402 Comment
  CAS-BOT-BC191080  Camissonia tanacetifolia subsp. tanacetifolia Mrs. H. C. Cantelow 1940-5-31 4044 Modoc 0.8 mi. E of Canby. Comment
  RSA518987  Camissonia tanacetifolia subsp. tanacetifolia Barbara Ertter 1988-6-18 7606 Modoc West side of Highway 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument. 1250 Comment
  RSA113690  Camissonia tanacetifolia subsp. tanacetifolia H. K. Sharsmith 1955-6-26 4508 -B Modoc Adjacent to Hwy 39, ca 20 miles N of Canby. Modoc National Forest. 1524 Comment
  RSA186495  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-29 17893 Modoc 13 miles northwest of Canby Comment
  UC117882  Capsella bursa-pastoris Mrs. R. M. Austin May 1894 20 Modoc Goose Lake Valley Comment
  NY119874  Cardamine breweri N. H. Holmgren 1970-6-23 4370 Modoc Warner Mtns., North Fork Deep Creek, 6.5 road miles W of Cedarville cemetary. 2133.6 Comment
  POM95584  Cardamine breweri Mrs. R. M. Austin 1895-07 108 Modoc Davis Creek Comment
  CAS-BOT-BC58429  Cardamine breweri var. breweri Alice Eastwood; John Thomas Howell 1940-6-13 8166 Modoc Cedarville. Comment
  CAS-BOT-BC58669  Cardamine cordifolia C. L. Hitchcock 1940-5-27 6712 Modoc 15 mi. NE of Alturas. 1676 Comment
  CDA10594  Carduus acanthoides G. Deal 1997-7-25 s.n. Modoc Tuscarora Pipe Line right-of-way near Hackamore. 0 Comment
  JEPS124311  Carduus nutans Lowell Ahart, John Dittes 2015-7-15 20341 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
  CHSC100860  Carex abrupta L. P. Janeway; B. Castro 2008-8-17 9673 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. Near moist bed of small rocky drainage channel. On moist slope on the side of the drainage. 2372 Comment
  HSC7044  Carex aquatilis M. T. Milligan 1966-7-3 542 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  UC143709  Carex aurea M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mts. Comment
  UCD146975  Carex aurea Chuck Hughes 2012-9-13 346 Modoc Bear Mountain. 2005 Comment
  HSC48006  Carex bolanderi D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19502 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC1586928  Carex densa Juha Pykala and D. H. Norris 1987-5-28 1301 Modoc Joseph Creek Rd. about 3 road mi from Highway 395 (w of Warner Mountains) 1550 Comment
  CAS-BOT-BC245189  Carex douglasii John Thomas Howell 1934-6-30 12280 Modoc Duncan Horse Camp. 1355 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
  JEPS127210  Carex douglasii Lowell Ahart, John Dittes 2016-6-6 20971 Modoc About 10 yards west of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC245184  Carex hoodii Annie Montague Alexander; L. Kellogg 1946-7-19 5031 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC245186  Carex hoodii Bruce Bartholomew; Barrett Anderson 1988-6-24 4359 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  HSC48188  Carex hoodii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19423 Modoc Near Hager Reservoir Comment
  RSA101501  Carex illota R. Weatherby 1955-7-7 1603 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  JEPS114911  Carex lanuginosa Lowell Ahart, John Dittes 2008-8-26 15355 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC497335  Carex lasiocarpa G. Schoolcraft 1996-7-23 2545 Modoc E. of Yankee Jim Ranch, SE of Alturas 1645 Comment
  HSC75585  Carex microptera G. M. Riegel 1979-8-23 698 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC245165  Carex nebrascensis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 151 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC245171  Carex nebrascensis Bruce Bartholomew; Barrett Anderson 1989-6-1 4756 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  RSA59877  Carex praegracilis E. K. Balls 1950-5-11 14618 Modoc 8 miles N of Lake City, west shore of Upper Lake. 1402 Comment
  UC1024317  Carex praegracilis Annie M. Alexander and Louise Kellogg 1946-6-14 4761 Modoc branch to Silver Creek (Patterson Mill Rd.) 1828 Comment
  POM313115  Carex praegracilis H. L. Mason, Verne Grant 1947-7-12 13439 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  SJSU9654  Carex praegracilis W. Savage 1979-7-8 1489 Modoc N end of Fairchild Swamp Unit; Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC1100475  Carex praegracilis Herbert L. Mason, Verne Grant 1947-7-12 13439 Modoc n Likely; Corporation Ranch Headquarters Comment
  SD130395  Carex scopulorum B. Bartholomew, B. Anderson 1988-7-23 4588 Modoc Warner Mountains; vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp;perennial. 2170 Comment
  CHSC100426  Carex sheldonii Lowell Ahart; John Dittes 2008-8-25 15292 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  SJSU9612  Carex simulata W. Savage 1979-7-6 1388 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1100576  Carex simulata Verne Grant, Irving Schneider 1947-8-28 8338 Modoc nw Alturas; Jack Swamp Comment
  HSC7160  Carex spectabilis M. T. Milligan 1965-6-23 302 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC245151  Carex straminiformis Annie Montague Alexander; L. Kellogg 1946-7-23 5048 Modoc Emerson Peak. 2749 Comment
  HSC75587  Carex straminiformis G. M. Riegel 1979-7-30 625 Modoc S Warner Mtns. 1829 Comment
  UC1036053  Carex subfusca Annie M. Alexander and Louise Kellogg 1946-6-14 4760 Modoc branch to Silver Creek (Patterson Mill Road) 1828 Comment
  SEINET3910198  Carex tracyi Louis C. Wheeler 1935-8-16 1577 Modoc Warner Mountains. Dismal Swamp.; 0 2225 Comment
  CAS-BOT-BC245143  Carex utriculata A. Cronquist; N. Holmgren 1959-6-19 8513 Modoc Shore of Clear Lake, Warner Mts. 1828 Comment
  JEPS63663  Carex utriculata W. L. Jepson 1918-8-12 7952 Modoc Jess Valley 1584 Comment
  RSA252422  Carex utriculata Robert F. Thorne, C. W. Tilforth 1969-9-5 39157 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  JEPS101131  Carex vernacula Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10439 Modoc Warner Mountains; east face Emerson Peak 2560 Comment
  UC70019  Carex vernacula Mrs. M. H. Manning Aug. 1903 433 Modoc ne Modoc County Comment
  CAS-BOT-BC242395  Carex vesicaria var. vesicaria Annie Montague Alexander; L. Kellogg 1948-9-21 5625 Modoc Lily pond above Mineral Spring, one mile SW of top of grade between New Pine Creek and Fort Bidwell. 2286 Comment
  CAS-BOT-BC225974  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1932-8-7 8235 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC225979  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1929-6-24 5888 Modoc Between Adin and Canby, Pit River Valley. Comment
  CAS-BOT-BC225981  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-5-14 4196 Modoc 0.8 km W of Goose Lake on USFS road 47N09 to Crowder Flats. 1430 Comment
  CAS-BOT-BC229820  Castilleja applegatei subsp. pinetorum C. C. (Mrs.) Bruce 1893-6-1 95 Modoc Davis Creek. Comment
  CAS-BOT-BC229823  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-6-13 12100 Modoc North fork of Barber Creek. 1828 Comment
  HSC20500  Castilleja applegatei subsp. pinetorum M. T. Milligan 1965-7-10 439 Modoc W slope of Eagle Peak. 2439 Comment
  HSC20536  Castilleja applegatei subsp. pinetorum M. T. Milligan 1964-6-17 38 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  JEPS27946  Castilleja applegatei subsp. pinetorum Frances D. Payne 1929-7-26 115 Modoc w base Warren Peak (in upper Pine Creek Basin); Warner Mountain Range, Pine Creek Basin 2133 Comment
  JEPS27948  Castilleja applegatei subsp. pinetorum Frances D. Payne 1931-6-11 148 Modoc Parker Creek Warner Mountains 1584 Comment
  JEPS3853  Castilleja applegatei subsp. pinetorum N. T. Mirov 1929-6-23 Modoc e of Goose Lake (on Fandango Valley road, Buck Creek Ranger Station); Warner Mountains 1569 Comment
  JEPS62828  Castilleja applegatei subsp. pinetorum John Weiler 1970-7-7 70197 Modoc above Cedar Pass (along Highway 299) 1950 Comment
  UC1599352  Castilleja applegatei subsp. pinetorum Milo S. Baker 1898-6 Modoc Comment
  CAS-BOT-BC226003  Castilleja arachnoidea Noel Herman Holmgren; J. L. Reveal 1964-8-22 1719 Modoc Warner Range, Modoc National Forest, Eagle Peak. 3027 Comment
  CAS-BOT-BC226013  Castilleja arachnoidea E. S. Willits 1940-5-20 284 Modoc Canby 1371 Comment
  CHSC109740  Castilleja arachnoidea B. Castro; L. P. Janeway 2012-7-26 1971 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2453 Comment
  CAS-BOT-BC226027  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1989-6-1 4725 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CHSC71889  Castilleja lacera Vernon H. Oswald; Lowell Ahart 1998-9-8 9594 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  JEPS79117  Castilleja lacera L. R. Heckard with R. Bacigalupi 1980-6-10 5219 Modoc sw margin of Egg Lake (now dry) Egg Lake Comment
  JEPS27954  Castilleja lacera Frances D. Payne 1929-7-2 36 Modoc Parker Creek, w slope of Warner Mountains Warner Mountains 1584 Comment
  POM44360  Castilleja linariifolia R. M. Austin 1895-07 527 Modoc Willow Creek (Devils Garden) Comment
  UC1051442  Castilleja linariifolia Herbert L. Mason 1955-8-14 14654 Modoc sw side Goose Lake (at Fletcher's Place) Comment
  UC733140  Castilleja linariifolia Elmer I. Applegate 1929-7-28 6082 Modoc n of Clear Lake Comment
  CAS-BOT-BC226048  Castilleja miniata Elmer Ivan Applegate 1932-7-31 7977 Modoc Mill Creek Meadow, western slope of Warner Mts. Comment
  UC711895  Castilleja miniata Roxana S. Ferris and Laura Lorraine 1941-8-13 10523 Modoc Patterson Ranger Station Warner Mountains, Modoc National Forest, East Creek (East Creek drainage) 2164 Comment
  HSC80798  Castilleja miniata G. M. Riegel 1980-7-9 857 Modoc S Warner Mtns. 2100 Comment
  JEPS3899  Castilleja miniata Annie M. Alexander and Louise Kellogg 1946-7-12 4978 Modoc Cowhead Lake Comment
  UC1191871  Castilleja miniata Herbert L. Mason 1947-7-13 13442 Modoc n of Davis Creek (east side of Goose Lake) (Joseph Creek on Highway 395); Joseph Creek Comment
  RSA46754  Castilleja payneae J. T. Howell 1934-6-14 12110 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC241013  Castilleja pilosa M. H. Manning 1907-1-1 s.n. Modoc 12 Mile Creek E. side of Mt. Bidwell, N.E. Modoc Co. Comment
  JEPS17638  Castilleja pilosa Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5393 Modoc 3.3 mi e Patterson Ranger Station (flat at summit of forest road across s end of Warner Mountains); Warner Mountains, Modoc National Forest 2225 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
  UC651917  Castilleja pilosa Hugh and Margaret Dearing 1939-6-9 3627 Modoc near Squaw Peak; Warner Mountains Comment
  SJSU11532  Castilleja rubicundula subsp. lithospermoides H. L. Buckalew 1961-6-23 Modoc by Stough Reservoir 1 mi N of Cedar Pass on Alturas-Cedarville Rd 2042 Comment
Read comments Jun 3 2009
  CAS-BOT-BC226082  Castilleja tenuis Bruce Bartholomew; Barrett Anderson 1989-6-3 4907 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  JEPS76809  Castilleja tenuis Theodore F. Niehaus 1978-6-28 952 a Modoc ca 12 mi w Canby (0.3 mi s on road to Craig Springs from junction with Loveness mainline logging road, and 0.05 mi into section 13) Comment
  UC1520658  Castilleja tenuis Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9454 Modoc 13 air mi wnw Canby (Calif Hwy 139, 14.2 mi wnw Calif Hwy 139 junction with U.S. Hwy 299) 1463 Comment
  CAS-BOT-BC217107  Ceanothus prostratus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 115 Modoc Above Parker Creek. Modoc National Forest Comment
  HSC18315  Ceanothus prostratus M. T. Milligan 1964-5-9 32 Modoc 4 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  HSC18324  Ceanothus prostratus M. T. Milligan 1964-6-25 91 Modoc Upper Lassen Creek 1829 Comment
  SEINET4089768  Ceanothus prostratus C. Davidson 1975-1 2623 Modoc 5.3 miles south of Canby on road to Manzanita Lookout. 1493 Comment
  CAS-BOT-BC217117  Ceanothus velutinus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16459 Modoc Near summit of Fandango Pass. Comment
  CAS-BOT-BC217120  Ceanothus velutinus Bruce Bartholomew 1989-7-15 5020 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC217123  Ceanothus velutinus Elmer Ivan Applegate 1932-7-31 7982 Modoc Mill Creek Meadows. Comment
  RSA504600  Ceanothus velutinus Bruce Bartholomew 1988-6-23 4277 Modoc 4 km W of Day on County road 94. 1340 Comment
  UC70431  Ceanothus velutinus Milo S. Baker July 1898 537 Modoc Forestdale Comment
  UC18446  Ceanothus velutinus Milo S. Baker 1893-7-10 Modoc 1219 Comment
  CAS-BOT-BC15100  Centaurea virgata subsp. squarrosa G. Schoolcraft 1985-6-17 1431 Modoc NW of Lookout. 1264 Comment
  UCD130121  Centaurea virgata subsp. squarrosa T. C. Fuller 1962-8-29 9487 Modoc road to Adin, 0.2 mile east of Lookout, Big Valley. Comment
  CAS-BOT-BC197532  Cercocarpus betuloides var. betuloides Leland S. Smith 1922-8-28 1336 Modoc Canyon E of Andrews Ranch 1524 Comment
  UC72966  Cercocarpus betuloides var. macrourus Milo S. Baker July 1898 533 Modoc Forestdale Comment
  UC114145  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-6 Modoc Modoc Co. Comment
  RSA59655  Cercocarpus ledifolius E. K. Balls 1950-5-12 14635 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  NY848750  Cercocarpus ledifolius var. intermontanus B. Anderson 1986-7-10 3194 Modoc Warner Mountains. West Warner road north of the North Fork of Pine Creek 1965 Comment
  CAS-BOT-BC214645  Cercocarpus ledifolius var. ledifolius A. D. Borden 1911-8-9 s.n. Modoc S. side of Shields Creek Comment
  JEPS34154  Chaenactis douglasii var. douglasii L. S. Smith 1918-7-7 977 Modoc Jess Valley Warner Mts. (sw slope of Warner Mts.) 1524 Comment
  RSA101383  Chaenactis douglasii var. douglasii R. Weatherby 1955-7-8 1631 Modoc 5 miles north of Fort Bidwell, Northern Warner Mts. 1646 Comment
  UC30989  Chaenactis douglasii var. douglasii Mrs. R. M. Austin 1894-8-1 Modoc Goose Lake Valley Comment
  UC76036  Chaenactis douglasii var. douglasii Milo S. Baker Modoc Egg Lake Comment
  CAS-BOT-BC245424  Chamaesaracha nana C. L. Hitchcock 1940-5-27 6700 Modoc 15 mi. NE of Alturas. 1615 Comment
  UC884531  Chamaesaracha nana C. L. Hitchcock 1940-5-27 6700 Modoc 15 mi ne Alturas 1615 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
  UC20108  Chamerion angustifolium subsp. circumvagum Milo S. Baker 1893-7-12 Modoc hillside Comment
  CHSC117147  Chenopodium album Lowell Ahart; John Dittes 2016-7-14 21168 Modoc West side of new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of Cdounty Road 87, 1/73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS127299  Chenopodium album Lowell Ahart, John Dittes 2016-7-14 21168 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC95517  Chenopodium berlandieri Bruce Bartholomew; Barrett Anderson 1990-7-21 5554 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CDA3023  Chenopodium berlandieri var. zschackei T. C. Fuller 1964-10-8 12700 Modoc North side of road to Goose Lake, ca 3 miles west of Davis Creek. 0 Comment
  CAS-BOT-BC95522  Chenopodium foliosum K. Paulson; Robert Paulson 1989-7-12 176 Modoc Ca. 1 mi. N of Mill Creek Falls, W side of Warner Mts. 1828 Comment
  CAS-BOT-BC95523  Chenopodium fremontii Bruce Bartholomew; Barrett Anderson 1990-7-20 5455 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  RSA623604  Chenopodium pumilio L. C. Wheeler 1935-8-3 3758 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 Comment
  CHSC31500  Chimaphila menziesii N. E. H. Prouty 1980-8-6 210 Modoc Modoc Nat. Forest, Warner Mt. District. Along south bank of North Fork Pine Creek. 1584 Comment
  CAS-BOT-BC95667  Chimaphila umbellata Bruce Bartholomew 1995-7-30 7044 Modoc Big Valley Mountains N of County Road 94. 1400 Comment
  NY188266  Chimaphila umbellata B. M. Bartholomew 1989-8-10 5044 Modoc 8.7 km E of Day on County Road 94 Comment
  UC748232  Chimaphila umbellata Annie M. Alexander and Louise Kellogg 1946-9-8 5118 Modoc Deep Creek Canyon Warner Mts., Deep Creek Canyon Comment
  UCSB4702  Chimaphila umbellata Haller, John 1960-7-4 Modoc West of Cave Lake, road between New Pine Creek and Fort Bidwell, Warner Mountains 1981 Comment
  CDA19941  Chorispora tenella R. Breckenridge 2002-6-21 PDR 1204570 Modoc Northern California; Jones Lane, south of Alturas, W of canal. 1328 Comment
  UCD170118  Chorispora tenella R. Breckenridge; K. Filippini 2005-6-20 s.n. Modoc Likely, Lynetta Farms, Jones Lane. Comment
  POM166648  Chrysolepis sempervirens Baker, Nutting 1893-06 3262 Modoc Squaw Valley, near Mt. Shasta. Comment
  CAS-BOT-BC15029  Chrysothamnus humilis Elmer Ivan Applegate 1932-8-1 8035 Modoc Arid summit of Warner Mts. N of Eagle Peak. Comment
  CAS-BOT-BC15003  Chrysothamnus nauseosus subsp. albicaulis Louis Cutter Wheeler 1935-9-10 3967 Modoc McGinty Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC15039  Chrysothamnus nauseosus subsp. albicaulis Loran C. Anderson 1958-8-24 1615 Modoc Cedar Pass Campground, 8 mi. W of Cedarville. Comment
  RSA795594  Chrysothamnus nauseosus subsp. consimilis L. 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, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 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-BC14981  Chrysothamnus parryi subsp. nevadensis Francis Dorris Payne 1935-8-25 809 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC21485  Cicuta douglasii John Thomas Howell 1934-6-12 12001 Modoc Davis Creek. Comment
  HSC26266  Cicuta douglasii M. T. Milligan 1966-7-26 586 Modoc N end Jess Valley 1616 Comment
  CDA1059  Cirsium arvense Loring White 1959-7-2 s.n. Modoc 1.5 mi. S/ Tulelake. 0 Comment
  CDA36045  Cirsium arvense CDFA Staff 1976-7-28 Modoc Tule Lake. 0 Comment
  RSA128747  Cirsium arvense T. C. Fuller 1959-7-8 2746 Modoc Grainfield 1.5 miles south of Tulelake Comment
  SJSU9621  Cirsium arvense W. Savage 1979-7-6 1428 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1192199  Cirsium arvense Verne Grant and Irving Schneider 1947-7-20 8109 Modoc from Alturas; North Fork of Pit River Comment
  CAS-BOT-BC14959  Cirsium cymosum John Thomas Howell 1934-6-13 12058 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC14961  Cirsium cymosum Alice Eastwood; John Thomas Howell 1940-6-13 8154 Modoc Fandango Pass. Comment
  CDA1195  Cirsium douglasii var. breweri G. D. Barbe, T. C. Fuller 1979-8-21 2545 Modoc 5.6 km S of Fort Bidwell; W side of County Hwy 1, 3.2 km N of Fandango Pass Rd. Comment
  UC55074  Cirsium douglasii var. breweri Milo S. Baker 1899-8-17 Modoc Frank Wiley's Ranch Comment
  CAS-BOT-BC14940  Cirsium scariosum Annie Montague Alexander; L. Kellogg 1946-6-14 4765 Modoc Silver Creek branch of Patterson Mill Road. 1828 Comment
  CAS-BOT-BC14941  Cirsium scariosum Bruce Bartholomew; Barrett Anderson 1988-7-22 4491 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  JEPS59283  Cirsium scariosum W. L. Jepson 1918-8-11 7942 Modoc Jess Valley 1584 Comment
  CDA20228  Cirsium undulatum G. Deal 2003-9-9 PDR 1151623 Modoc Modoc Plateau; Vicinity of Alturas. 0 Comment
  HSC5379  Cirsium vulgare M. T. Milligan 1966-7-26 579 Modoc N end of Jess Valley 1616 Comment
  JEPS59245  Cirsium vulgare F. H. Frost 1925-7-11 19 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon Comment
  UC1192198  Cirsium vulgare Verne Grant and Irving Schneider 1947-8-27 8320 Modoc sw end Clear Lake Comment
  CAS-BOT-BC191075  Clarkia gracilis subsp. gracilis John Thomas Howell 1934-6-12 12003 Modoc Davis Creek Comment
  JEPS43696  Clarkia gracilis subsp. gracilis F. Payne 1929-6-13 6 Modoc s and e Alturas; Warner Mts., Parker Creek Comment
  RSA520376  Clarkia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1989-6-1 4739 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC191055  Clarkia lassenensis Bruce Bartholomew 1992-5-14 6276 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  CAS-BOT-BC191061  Clarkia lassenensis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 82 Modoc Above Parker Creek, 1.5 mi. above Modoc National Forest Boundary. Comment
  RSA504643  Clarkia lassenensis Bruce Bartholomew 1988-6-23 4241 Modoc 4.2 kim NW of Day. 1020 Comment
  CAS-BOT-BC191046  Clarkia rhomboidea Bruce Bartholomew; Barrett Anderson 1988-6-23 4234 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CHSC115505  Clarkia rhomboidea L. P. Janeway 2014-7-8 11461 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
  HSC64514  Clarkia rhomboidea J. P. Smith, J. O. Sawyer 1973-8-9 7258 Modoc Blue Lake, Modoc National Forest 1829 Comment
  RSA101361  Clarkia rhomboidea R. Weatherby 1955-7-8 1622 Modoc 6 miles N of Ft. Bidwell. Northern Warner Mtns. 1738 Comment
  RSA41240  Clarkia rhomboidea A. M. Alexander, Louise Kellogg 1946-6-28 4863 Modoc Pine Creek Canyon, north end of Warner Mountains 1616 Comment
  UC71666  Clarkia rhomboidea Mrs. M. H. Manning 1903-7 282 Modoc Warner Mt. 1524 Comment
  SEINET195684 Image available Claytonia lanceolata var. sessilifolia Louise Kellogg 1946-6-15 4780 b Modoc Deep Creek 2190 Comment
  SEINET195687  Claytonia megarhiza Annie M. Alexander, L Kellogg 1946-7-30 5097 Modoc Eagle Peak Warner Mts. Comment
  CAS-BOT-BC197427  Claytonia perfoliata subsp. intermontana E. H. Steffen 1917-5-26 13 Modoc West Valley Camp. 1554 Comment
  CAS-BOT-BC197467  Claytonia rubra subsp. rubra Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16418 Modoc Near summit of Cedar Pass. Comment
  CAS-BOT-BC229854  Collinsia parviflora John Thomas Howell 1934-6-13 12055 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC229856  Collinsia parviflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16430 Modoc Near summit of Cedar Pass, between Alturas & Cedarville 1920 Comment
  CAS-BOT-BC229859  Collinsia parviflora Bruce Bartholomew 1991-6-20 5780 Modoc NE side of Barber Ridge, 10 km NW of Adin on road to Fox Mountain. 1580 Comment
  CAS-BOT-BC229863  Collinsia parviflora Fred D. Douthitt 1916-5-15 30 Modoc Flournoys Swale. 1828 Comment
  JEPS17636  Collinsia parviflora Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5398 Modoc 3.3 mi e Patterson Ranger Station (summit of forest rd across s Warner Range); Warner Mtns 2225 Comment
  UC672461  Collinsia parviflora F. H. Frost 1925-7-25 179 Modoc Warner Mountains, Eagle Peak Eagle Peak; Warner Mountains, Eagle Peak Comment
  UCR87505  Collinsia parviflora George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  JEPS6223  Collinsia parviflora M. F. Gilman 633 Modoc near Ft. Bidwell Comment
  JEPS70992  Collomia grandiflora W. L. Jepson 1918-8-6 7842 Modoc Surprise Valley 1447 Comment
  CAS-BOT-BC190727  Collomia linearis Bruce Bartholomew 1994-7-2 6814 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  RSA101369  Collomia linearis R. Weatherby 1955-7-8 1613 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  CAS-BOT-BC190710  Collomia tinctoria Annie Montague Alexander; L. Kellogg 1946-6-28 4864 Modoc Pine Creek Canyon, N end of Warner Mts. Comment
  UC23855  Collomia tinctoria Milo S. Baker 1893-6-10 Modoc rocky s hillside Comment
  CHSC105975  Conium maculatum Lowell Ahart; John Dittes 2010-8-30 17066 Modoc On the sides of a small wash, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1191639  Convolvulus arvensis Herbert L. Mason and Verne Grant 1947-7-10 13338 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  HSC6347  Convolvulus arvensis M. T. Milligan 1964-6-20 49 Modoc E A St. near Hwy. 395, Alturas 1372 Comment
  UCD126204  Convolvulus arvensis Herbert L. Mason; Verne Grant 1947-7-10 13338 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  UCR57488  Conyza canadensis R. D. Goeden, Don W. Ricker 1989-8-23 890823- 17 Modoc Warner Mtns., Modoc National Forest, near east end of Fandango Pass Rd. 1585 Comment
  UC4414  Corallorhiza maculata Milo S. Baker 1893-7-10 Modoc Big Mts. Comment
  JEPS74348  Cordylanthus capitatus L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1974-7-24 3767 Modoc along forest service road 3.5 mi n Cedar Pass; Warner Mts. 2042 Comment
  RSA537678  Cordylanthus capitatus L. R. Heckard, P. Rubtzoff 1971-8-3 2705 Modoc At summit of Old Cannon Mill Road, 3.5 miles north of Cedarville Pass, Warner Mountains. 1982 Comment
  UC1587092  Cordylanthus maritimus subsp. canescens G. Schoolcraft 1991-7-24 2185 Modoc ne Middle Alkali Lake; Leonard Hot Spring 1386 Comment
  CAS-BOT-BC229881  Cordylanthus ramosus Belknap C. Goldsmith 1912-8-6 81 Modoc W of Goose Lake. 1493 Comment
  RSA603172  Cornus californica L. C. Wheeler 1935-8-14 3835 Modoc Warner Mountains: Pine Creek. 1584 Comment
  CAS-BOT-BC95596  Cornus sericea Bruce Bartholomew 1989-8-12 5132 Modoc Deep Creek, E side of Warner Mountains. 1920 Comment
  CAS-BOT-BC95600  Cornus sericea Roxana Stinchfield Ferris; R. Duthie 1919-6-14 54 Modoc Parker Creek above the National Forest Boundary. Comment
  CAS-BOT-BC95601  Cornus sericea M. M. Hanna 1956-6-5 978 Modoc Cedar Pass. Comment
  CAS-BOT-BC190767  Corydalis aurea C. C. (Mrs.) Bruce 1898-7-1 2206 Modoc Warner Mts. Comment
  CHSC100511  Crataegus douglasii Lowell Ahart; John Dittes 2008-8-25 15330 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber. 1271 Comment
  CHSC115557  Crataegus douglasii Lowell Ahart; John Dittes 2015-7-15 20356 Modoc East side of Elkins Lane, about 50 yards southeast of the bridge across Ash Creek (destroyed), about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC14905  Crepis acuminata R. M. Austin 1884-6-1 Modoc Near Willow Creek. 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
  SEINET2142728 Image available Crepis acuminata A. A. Heller 1938-6-24 15220 Modoc Between Alturas and Canby along U.S. Highway 299. Comment
  CAS-BOT-BC248361  Crepis modocensis B. Bartholomew; H. Sun 2002-6-24 8844 Modoc E of Bald Mt., on the E side of the Warner Mountains 2170 Comment
  JEPS89243  Crepis modocensis Lauramay T. Dempster 1961-6-18 1693 Modoc peak just s Cedar Pass Comment
  HSC81045  Crepis modocensis subsp. modocensis G. M. Riegel 1979-7-14 543 Modoc South Warner Mtns. 1739 Comment
  RSA504635  Crepis modocensis subsp. modocensis Bruce Bartholomew, B. Anderson 1988-6-24 4311 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CDA33478  Crepis occidentalis Dale Woods, V. Popescu, B. Villegas 2010-6-3 Modoc Kelly Springs Rd; about 2 miles southeast of Hwy 299, Modoc National Forest. 0 Comment
  CHSC70465  Crepis occidentalis A. Sanger 1997-6-3 2481 Modoc Along Mowitz Rd, at Boles Cr. crossing. Upland above creek. 1463 Comment
  SBBG8042  Crepis occidentalis H. and M. Dearing 1939-6-9 3639 Modoc N of Squaw Peak, Warner Mtns Comment
  CAS-BOT-BC14891  Crepis occidentalis subsp. conjuncta Annie Montague Alexander; L. Kellogg 1946-7-18 5016 Modoc Benton Meadow, Warner Mountains 2072 Comment
  RSA164313  Crepis occidentalis subsp. pumila Clare B. Hardham 1961-6-18 7562 Modoc Cedar Pass. 1829 Comment
  CAS-BOT-BC95592  Cressa truxillensis Robert Folger Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39081 Modoc E shore of Goose Lake at Willow Ranch. 1432 Comment
  CAS-BOT-BC14830  Crocidium multicaule A. Cronquist 1963-5-14 9855 Modoc Near Cedar Pass, between Cedarville and Alturas, 9 miles from Alturas 1493 Comment
  CAS-BOT-BC14831  Crocidium multicaule Bruce Bartholomew; Barrett Anderson 1989-4-28 4649 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC14873  Crocidium multicaule E. S. Willits 1940-4-21 189 Modoc Near quarantine station, Alturas. 1371 Comment
  RSA155793  Crocidium multicaule Peter H. Raven 1962-5-29 17897 Modoc State Highway 139 at south road to Lava Beds National Monument. Comment
  CAS-BOT-BC218202  Croton setiger Bruce Bartholomew 1989-7-14 4955 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  SEINET9592040  Croton setiger M. J. Williams 1985-8-13 85- 67 -1 Modoc Road into S end of Big Sage Reservoir, NW of Alturas. 1524 Comment
  CHSC100390  Crypsis alopecuroides Lowell Ahart; John Dittes 2008-8-26 15352 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  UC1478048  Cryptantha celosioides Gregg Riegel 1980-7-15 896 Modoc 0.5 mi n Cottonwood Creek (and .12 mi w of headwaters of Little Jackson Canyon Creek); Modoc National Forest 1920 Comment
  UC1478049  Cryptantha celosioides Gregg Riegel 1980-7-14 877 Modoc 0.5 mi nw Emerson Trail Head Rd. (from Sec 10 and 11, S Warner Mt. Wilderness Area); Modoc National Forest, Warner Mt. Wilderness Area 1889 Comment
  CAS-BOT-BC54104  Cryptantha intermedia Milo Samuel Baker; Franklin P. Nutting 1894-6-29 Modoc Big Valley near Lookout. Comment
  CAS-BOT-BC54110  Cryptantha intermedia C. C. (Mrs.) Bruce 1893-6-1 84 Modoc Davis Creek. Comment
  CAS-BOT-BC54149  Cryptantha intermedia Mrs. H. C. Cantelow 1940-6-2 3318 Modoc 9.3 mi NW of Canby. Comment
  CAS-BOT-BC54150  Cryptantha intermedia John Thomas Howell 1934-7-1 12334 Modoc Duncan Horse Camp. 1355 Comment
  SFV3084  Cryptantha intermedia I. L. Wiggins, D. B. Wiggins 1961-6-12 16382 Modoc Warner Mountains Rocky, clay mesa 5 miles east of CA Highway 299, along Cedar Pass Road. 1585 Comment
  UC24699  Cryptantha intermedia M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  UC402819  Cryptantha intermedia Milo S. Baker 1890-1 Modoc Forestdale Comment
  CAS-BOT-BC54111  Cryptantha simulans John Thomas Howell 1934-6-11 11982 Modoc Parker Creek, Warner Mountains 1584 Comment
  POM204147  Cryptantha simulans J. T. Howell 1934-6-13 12043 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  HSC80865  Cryptantha subretusa G. M. Riegel 1980-8-20 Modoc S Warner Mtns. 2780 Comment
  HSC80867  Cryptantha subretusa G. M. Riegel 1980-8-9 Modoc S Warner Mtns. 2707 Comment
  UC194972  Cryptantha subretusa W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head of North Fork Parker Creek Warner Mountains 2286 Comment
  UC573118  Cryptantha torreyana F. H. Frost 1925-7-25 62 Modoc Eagle Peak Warner Mountains Comment
  JEPS39745  Cupressus bakeri P. Lorenzen Nov. 1903 Modoc near Day Comment
  CAS-BOT-BC95628  Cuscuta approximata Goss 1932-10-3 Modoc Modoc County. Comment
  RSA195413  Cycladenia humilis Elmer I. Applegate 1936-5-21 10337 Modoc Lava Beds National Monument. Basin in midst of Big Lava Flow, north of Cinder Cone, 1/2 mile north of RR tract at Lava Summit. Comment
  UC1100558  Cyperus squarrosus Malcolm A. Nobs and S. Galen Smith 1949-7-20 1053 Modoc 4 mi. w. Adin Comment
  UC1100560  Cyperus squarrosus Herbert L. Mason 1947-8-13 13516 Modoc n. Canby (n.e. side of F reservoir) Comment
  CAS-BOT-BC242182  Cypripedium montanum K. Paulson; Robert Paulson 1988-6-19 46 Modoc Field redacted by CAS, contact the data manager for more information 1554 Comment
  JEPS35193  Cystopteris fragilis Mary H. Manning 1912-4 Modoc Tule Lake Comment
  CAS-BOT-BC245212  Damasonium californicum Bruce Bartholomew 1991-6-21 5826 Modoc Vicinity of Drift Fence Tank, 2 km S of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  UC1100147  Damasonium californicum Malcolm A. Nobs and S. Galen Smith 1949-5-30 774 Modoc w. Alturas (1/2 mi. e. of junction of County Rds. 70 & 54) Comment
  CAS-BOT-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
  RSA504598  Danthonia unispicata Bruce Bartholomew, B. Anderson 1988-6-23 4285 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  UC53339  Danthonia unispicata M. S. Baker and Frank Nutting 1894-1 Modoc 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
  HSC80692  Dasiphora fruticosa G. M. Riegel 1979-7-23 575 Modoc S Warner Mtns. 1829 Comment
  JEPS12204  Datura stramonium F. H. Frost 1925-7-18 82 Modoc 2 mi s of Cedarville (Cedarville roadside) Comment
  CHSC85098  Deinandra lobbii John Dittes; Josephine Guardino 1991-7-21 442 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  JEPS127155  Deinandra lobbii Lowell Ahart, John Dittes 2016-7-16 21252 Modoc About 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.7 miles (air) southwest of Adin Big Valley. Comment
  CAS-BOT-BC217339  Delphinium andersonii Bruce Bartholomew 1990-6-16 5278 Modoc Bear Flat, W side of Warner Mountains. 1830 Comment
  CAS-BOT-BC217336  Delphinium andersonii John H. Hatton 1911-6-10 6 Modoc Modoc County. 1767 Comment
  CAS-BOT-BC217350  Delphinium nudicaule Bruce Bartholomew 1992-5-14 6280 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  RSA520359  Delphinium nudicaule Bruce Bartholomew 1989-6-3 4919 Modoc Stone Coal Valley, 3km E of State Hwy 299. 1400 Comment
  CAS-BOT-BC217334  Delphinium nuttallianum Elmer Ivan Applegate 1932-7-31 7969 Modoc Mill Creek Meadows, Warner Mts. Comment
  CHSC85135  Delphinium nuttallianum John Dittes; Josephine Guardino 1991-6-1 351 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  POM260467  Delphinium nuttallianum C. L. Hitchcock 1940-5-27 6705 Modoc 15 miles NE of Alturas. 1677 Comment
  UCSB17309  Delphinium nuttallianum Haller, John 1961-6-25 Modoc Eagleville-Likely road; 0.5 mi W of crest of Warner Mountains; about 3 mi E of Patterson Ranger Station 2286 Comment
  RSA520371  Delphinium nuttallianum Bruce Bartholomew, B. Anderson 1989-4-30 4718 Modoc 4.2 kim W of Stte Hwy 299 along the N side of the Pit River W of Canby Bridge. 1320 Comment
  RSA520482  Delphinium stachydeum Bruce Bartholomew, B. Anderson 1989-6-2 4810 Modoc NE side of Upper Lake, 4km S of road to Fee Reservoir, NE end of Surprise Valley. 1420 Comment
  UC912535  Delphinium stachydeum F. H. Frost 1925-7-25 157 Modoc Eagle Peak Warner Mts. Comment
  CAS-BOT-BC242478  Deschampsia danthonioides Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake Ranch near S end. Comment
  UCD62393  Deschampsia danthonioides Elizabeth Wilson Date Unknown Modoc Modoc Co. Comment
  JEPS68494  Deschampsia danthonioides Leland S. Smith 1918-1 862 Modoc Granger Mill Comment
  UCD32685  Deschampsia elongata Beecher Crampton 1954-7-6 2098 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  NY126063  Descurainia incisa B. Anderson 1986-7-9 3164 Modoc Warner Mtns., Stough Reservoir Rd. just E of Cedar Pass near Stough Reservoir 1965 Comment
  HSC6721  Descurainia incisa subsp. incisa M. T. Milligan 1966-7-3 534 Modoc Slopes and ridges E of Jess Valley Comment
  UCD114669  Descurainia pinnata B. L. Kay 1956-6-14 s.n. Modoc Likely. Comment
  CAS-BOT-BC58610  Descurainia pinnata subsp. brachycarpa John Thomas Howell 1934-6-13 12065 A Modoc Fandango Pass, Warner Mts. 1828 Comment
  CAS-BOT-BC58611  Descurainia pinnata subsp. brachycarpa Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6445 A Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC58439  Descurainia sophia Bruce Bartholomew; Barrett Anderson 1988-6-25 4381 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC242113  Dichelostemma multiflorum Bruce Bartholomew; Barrett Anderson 1988-6-23 4281 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  JEPS58091  Dichelostemma multiflorum Frances D. Payne 1929-6-21 13 Modoc s and e of Alturas; Warner Mountains, Parker Creek Comment
  CAS-BOT-BC501064  Dichelostemma multiflorum L. S. Smith 1926-6-7 1889 Modoc Near Lake City, Tahoe Forest 1097 Comment
  CAS-BOT-BC49464  Dieteria canescens var. shastensis Leland S. Smith 1917-9-8 155 Modoc Fandango Valley, Warner Mountains 1524 Comment
  UC1024292  Dimeresia howellii Helen K. Sharsmith 1955-6-23 4490 Modoc 6.7 mi e Cedar Campground (n of State Highway 28); Modoc National Forest, Warner Mountains 1859 Comment
  CAS-BOT-BC234451  Diplacus nanus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16413 Modoc Steep mountainside near summit of Cedar Pass. 1935 Comment
  CAS-BOT-BC234486  Diplacus nanus Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi W of Adin Pass Summit, Hwy 299. Comment
  CAS-BOT-BC234489  Diplacus nanus Bruce Bartholomew 1991-5-24 5728 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  CHSC57235  Diplacus nanus David M. Thompson 1988-6-2 926 Modoc 8 1/2 air mi NNE of Adin. 0.2 mi W of campground loop road of Upper Rush Creek Campground; ca. 2 mi E of Hwy 139-299. 1600 Comment
  CAS-BOT-BC234484  Diplacus nanus E. H. Steffen 1917-6-10 42 Modoc Jess Valley. 1524 Comment
  SEINET14196640  Diplacus pygmaeus D. M. Thompson 1988-1 927 Modoc S end Egg Lake, between Kramer Reservoir and White Horse-Lookout road, along intermittent stream, 2.3 road miles W of RR crossing. 1300 Comment
  CAS-BOT-BC234443  Diplacus tricolor Bruce Bartholomew 1991-7-6 5989 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  JEPS68537  Distichlis spicata Leland S. Smith 1918-9-30 1060 Modoc Surprise Valley; alkali flats 1371 Comment
  SEINET10564495  Distichlis spicata var. stricta Louis C. Wheeler 1935-9-4 Wheeler 3945 Modoc Dry sunny sandy lake bed. McGinty Point, Goose Lake. 1463 Comment
  CAS-BOT-BC218297  Dodecatheon alpinum Robert J. Weatherby 1955-7-7 1600 Modoc Dismal Swamp. 2240 Comment
  CHSC109453  Dodecatheon alpinum B. Castro; L. P. Janeway 2012-7-24 1944 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.9 air mi east of Lily Lake and 1.1 air mi southwet of Dismal Swamp. 2250 Comment
  JEPS91189  Dodecatheon alpinum Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10461 Modoc Warner Mountains, steep northeast face Eagle Peak 2880 Comment
  UC105786  Dodecatheon conjugens Mrs. R. M. Austin Apr, 1894 43 Modoc Goose Lake Valley Comment
  UC444832  Dodecatheon conjugens Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC75672  Dodecatheon conjugens Milo S. Baker 1896-5-15 81 Modoc Forestdale Comment
  CAS-BOT-BC218283  Dodecatheon conjugens var. conjugens C. C. (Mrs.) Bruce 1899-5-1 560 Modoc Goose Lake. Comment
  UC71816  Dodecatheon pulchellum Mrs. M. H. Manning 1904-7-16 Modoc Mt. Bidwell Mt. Bidwell (north-eastern Modoc County) Comment
  CAS-BOT-BC95109  Downingia bacigalupii K. Paulson; Robert Paulson 1989-7-2 155 Modoc Between McKay Flat and Howards Gulch. 1447 Comment
  CAS-BOT-BC95115  Downingia bacigalupii Barrett Anderson 1986-7-10 3208 Modoc West Warner Rd along Bear Flat. 1845 Comment
  CAS-BOT-BC95117  Downingia bacigalupii Fred. P. Cronemiller 1920-9-20 164 Modoc Blurlow's Ranch, Fandango Valley. 1524 Comment
  CAS-BOT-BC95123  Downingia bacigalupii C. C. (Mrs.) Bruce 1899-7-1 Modoc Goose Lake. Comment
  SBBG128251  Downingia bacigalupii L. Ahart, J. Dittes 2010-8-31 17124 Modoc pond, ca. 400 yards W of Elkins Lane and the bridge across Ash Crk, Ash Crk State Wildlife Area, ca. 4.3 mi W of Adin, ca. 7.7 mi NE of Bieber, Big Valley 1267 Comment
  SJSU9534  Downingia bicornuta W. Savage 1979-6-20 1271 Modoc S margin Bottle Cr Reservoir, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC95133  Downingia bicornuta var. bicornuta Bruce Bartholomew 1991-7-6 5986 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  UC28963  Downingia bicornuta var. bicornuta Milo S. Baker 1893-6-24 Modoc Egg Lake Comment
  HSC3847  Downingia elegans M. T. Milligan 1964-7-1 118 Modoc W end of Ballard's Resvr. 1372 Comment
  JEPS5032  Downingia insignis Rimo Bacigalupi and L. R. Heckard 1952-6-18 3742 Modoc 0.75 mi e Canby (along U.S. Hwy 299, at railroad crossing) Comment
  JEPS21908  Downingia laeta Herbert L. Mason and Verne Grant 1947-7-11 13369 Modoc s of Alturas (by Jones Lane, off Highway 395) Comment
  CAS-BOT-BC58296  Draba albertina Annie Montague Alexander; L. Kellogg 1946-8-3 5112 Modoc Head of Eagle Creek, Warner Mts. Comment
  UC1258363  Draba albertina Gregg Riegel 1980-8-6 992 Modoc growing near Mill Ck (Upper Mill Ck Meadows); S Warner Mt. Wilderness, Upper Mill Ck Meadows 2499 Comment
  CAS-BOT-BC214772  Drymocallis glandulosa K. Paulson; Robert Paulson 1988-6-19 48 Modoc E of Happy Camp Guard Station. 1554 Comment
  CAS-BOT-BC214768  Drymocallis lactea var. lactea Bruce Bartholomew; Barrett Anderson 1988-5-14 4202 Modoc Fletcher Creek on USFS 48N08 from Crowder Flats to Big Sage Reservoir. 1480 Comment
  JEPS120513  Drymocallis lactea var. lactea L. P. Janeway, B. Castro 2012-7-25 10990 Modoc Warner Mountains. Comment
  RSA608436  Dugaldia hoopesii L. C. Wheeler 1935-8-16 3886 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC14808  Eatonella nivea Bruce Bartholomew 1991-5-24 5722 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  CDA5095  Elaeagnus angustifolia T. C. Fuller 1962-8-3 9490 Modoc Tulelake Basin; 1.6 miles north of Stronghold. 0 Comment
  CHSC116190  Elatine Lowell Ahart; John Dittes 2015-7-15 20354 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  RSA0114933  Elatine Lowell Ahart, John Dittes 2013-7-24 18919 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 Country Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  RSA600329  Elatine brachysperma L. C. Wheeler 1935-8-3 3763 Modoc Warner Mountains: Pine Creek. 1738 Comment
  UCD49715  Eleocharis acicularis Herbert L. Mason; Verne Grant 1947-7-12 13402 Modoc Irrigation ditch by Jones' Lane off Highway 395, south of Alturas. Comment
  UCSC000116  Eleocharis bella Mrs. M. H. Manning unknown s.n. Modoc collected in north-eastern Modoc county Comment
  CAS-BOT-BC242388  Eleocharis macrostachya Jepson, W. L. 1918-8-14 7988 Modoc Jess Valley. Comment
  SJSU9588  Eleocharis macrostachya W. Savage 1979-7-5 1352 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC698595  Eleocharis macrostachya Louis C. Wheeler 1935-9-1 3935 Modoc Pine Spring, Devils Garden 1524 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
  CAS-BOT-BC245108  Elodea canadensis Milo Samuel Baker 1899-8-12 5481 Modoc Egg Lake. Comment
  UC1025013  Elymus X macounii Leo Whitney 1935-7-13 3492 Modoc Alturas Comment
  HSC8729  Elymus X saxicola M. T. Milligan 1966-7-7 567 Modoc East of Jess Valley. 1677 Comment
  CHSC100122  Elymus cinereus L. P. Janeway; B. Castro 2008-8-16 9543 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  SJSU2086  Elymus elymoides J. W. Tilden 1958-6-26 1272 Modoc near W side of Cedar Pass between Alturas & Cedarville, Warner Mts 1828 Comment
  UCD61579  Elymus elymoides L. Whitney 1935-7-2 Modoc Badger Well. Comment
  CHSC85407  Elymus elymoides subsp. californicus John Dittes; Josephine Guardino 1991-6-1 363 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-BC247757  Elymus elymoides subsp. elymoides Elmer Ivan Applegate 1932-8-1 8017 Modoc Summit of Warren Peak. Comment
  HSC80815  Elymus glaucus G. M. Riegel 1979-9-8 759 Modoc South Warner Mtns. 2100 Comment
  UCD32692  Elymus glaucus Beecher Crampton 1954-7-6 2107 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  JEPS73993  Elymus glaucus subsp. glaucus Frances D. Payne 1932-7-18 705 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS74073  Elymus multisetus Frances D. Payne 1932-7-20 714 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SD64332  Elymus ponticus D. F. Howe 1966-8-25 4299 Modoc Fandango Pass, Warners Mountains 1858 Comment
  UC70661  Elymus trachycaulus Mrs. M. H. Manning June 1903 413 c Modoc N.E. Modoc Co. Comment
  UCD62658  Elymus trachycaulus L. Whitney 1935-6-28 Modoc Bieber. Comment
  RSA185241  Elymus trachycaulus subsp. trachycaulus James L. Reveal, Jack Reveal 1963-8-17 543 Modoc On the east side of Warren Creek, in the head of the first spring 1/2 mile north of the Tioga Pass Road 2835 Comment
  POM195139  Elymus trachycaulus subsp. trachycaulus H. M. Hall 1923-8-6 11858 Modoc Toulumne Meadows. Dana Fork. 2622 Comment
  JEPS117500  Elytrigia pontica subsp. pontica Lowell Ahart, John Dittes 2010-8-31 17119 Modoc East side of Elkins Lane, about 20 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CDA13464  Elytrigia repens G. F. Hrusa, T. D. Wilfred 1996-7-21 13311 Modoc Modoc Plateau; Large colony at edge of riparian willow scrub in shaded area, along Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Rhizomatous perennial 1.5-2 m tall. Comment
  JEPS119965  Elytrigia repens Lowell Ahart, John Dittes 2012-7-12 18377 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. Comment
  CAS-BOT-BC191031  Epilobium brachycarpum John Thomas Howell 1934-7-1 12331 Modoc Duncan Horse Camp. 1355 Comment
  RSA0118772  Epilobium brachycarpum Lowell A. Ahart, John Dittes 2013-7-25 18961 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. 1268 Comment
  UCR77774  Epilobium brachycarpum B. Bartholomew 1989-7-14 4946 Modoc c. 8 km NE of Egg Lake and 2.5 km east of Survice Gulch. 1340 Comment
  HSC16331  Epilobium brachycarpum M. T. Milligan 1964-8-21 227 Modoc Jct. of Hwy. 395 and Dorris Reservoir Rd. 1372 Comment
  UCD77624  Epilobium brachycarpum Robert E. Preston 2000-5-31 1355 Modoc Modoc Plateau, along Hwy 139, ca. 2 miles E of Forest Service Road 44N11. 1493 Comment
  CHSC109644  Epilobium campestre Lowell Ahart; John Dittes 2012-7-11 18331 Modoc Vernal pool like areas 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 Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  RSA0037172  Epilobium campestre Lowell A. Ahart, John Dittes 2012-7-11 18331 Modoc North edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC71573  Epilobium campestre Mrs. M. H. Manning 1903-8-27 337 Modoc Mt. Bidwell, Tamarack flat Comment
  CAS-BOT-BC190992  Epilobium ciliatum subsp. ciliatum Alice Eastwood; John Thomas Howell 1940-6-12 8092 Modoc Jess Valley. Comment
  UC1191716  Epilobium ciliatum subsp. ciliatum Herbert L. Mason 1947-8-13 13522 Modoc ne side F Reservoir (n of Canby) Comment
  UC1191718  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-7-19 8079 Modoc near Tules of East Canal (along Southern Pacific right-of-way, between Alturas and Likely); Williams Ranch 1219 Comment
  UC1191719  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-8-28 8333 Modoc nw Alturas; Jack Swamp Comment
  CAS-BOT-BC190981  Epilobium ciliatum subsp. glandulosum Leland S. Smith 1917-8-3 148 Modoc South Fork Davis Creek. 2133 Comment
  RSA41239  Epilobium ciliatum subsp. glandulosum A. M. Alexander, Louise Kellogg 1946-7-17 5008 Modoc Benton Meadow, Warner Mountains 2073 Comment
  UC1561069  Epilobium clavatum Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10438 Modoc steep volcanic cliffs Warner Mountains, E face Emerson Peak, Emerson Creek drainag 2560 Comment
  CAS-BOT-BC190974  Epilobium densiflorum Elmer Ivan Applegate 1932-7-8 7564 Modoc Western margins of Cowhead Lake. Comment
  CAS-BOT-BC190976  Epilobium densiflorum Bruce Bartholomew 1989-7-14 4971 Modoc ca. 1 km E of Happy Camp Ranger Station. Comment
  CAS-BOT-BC190979  Epilobium densiflorum Leland S. Smith 1919-8-5 1139 Modoc Ash Valley and vicinity. 1371 Comment
  CAS-BOT-BC190959  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew 1994-7-3 6842 Modoc Along Bidwell Creek near Larry Flat, E side of Warner Mountains. 1780 Comment
  CAS-BOT-BC190960  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew 1991-8-5 6035 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  UC748257  Epilobium hornemannii subsp. hornemannii Annie M. Alexander and Louise Kellogg 1946-7-11 4964 Modoc slope w Eight Mile Creek (ne corner of Modoc Co.) Comment
  CAS-BOT-BC190954  Epilobium minutum Bruce Bartholomew 1991-8-5 6075 Modoc Summit Trail, between Squaw Peak and Pepperdine, W side of Warner Mts. 2320 Comment
  CAS-BOT-BC190930  Epilobium pallidum Bruce Bartholomew 1991-7-6 5988 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC190933  Epilobium pallidum Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13330 Modoc Eastern outskirts of Lookout. Comment
  CAS-BOT-BC190865  Epilobium pygmaeum D. M. Moore 1960-6-4 120 Modoc 7.4 mi. W of Adin on road to Lookout. Comment
  HSC16224  Epilobium pygmaeum M. T. Milligan 1964-8-21 234 Modoc S end of Dorris Reservoir Dam 1372 Comment
  NY1000569  Epilobium torreyi A. Tiehm 1984-7-30 8828 Modoc 8.9 road miles northeast of Ft. Bidwell on the main road to Adel, just past the road summit 1615 Comment
  JEPS120175  Equisetum laevigatum Lowell Ahart, John Dittes 2012-7-10 18314 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC248346  Eremogone aculeata B. Bartholomew; H. Sun 2002-6-24 8829 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CAS-BOT-BC95495  Eremogone aculeata Bruce Bartholomew; Barrett Anderson 1989-6-3 4892 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC95456  Eremogone congesta Alice Eastwood; John Thomas Howell 1940-6-13 8110 Modoc Surprise. Comment
  CAS-BOT-BC95468  Eremogone congesta Mrs. H. C. Cantelow 1940-6-2 s.n. Modoc 9.3 mi NW of Canby, lava country. Comment
  CAS-BOT-BC95453  Eremogone congesta Elmer Ivan Applegate 1897-6-5 865 Modoc N of Alturas Comment
  RSA0049632  Eremogone congesta var. suffrutescens Dean Wm. Taylor 2012-6-5 21221 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  JEPS114434  Ericameria bloomeri Lowell Ahart, John Dittes 2008-8-26 15337 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  UC195495  Ericameria bloomeri Mrs. M. H. Manning 1905-9-15 Modoc Halls Meadows, ne Modoc County Halls Meadows Comment
  CAS-BOT-BC14821  Ericameria greenei Louis Cutter Wheeler 1935-8-14 3854 Modoc Lily Lake, Warner Mountains 2133 Comment
  HSC67900  Ericameria greenei J. P. Smith, J. O. Sawyer 1973-8-8 7241 Modoc S slopes of Eagle Peak 2561 Comment
  CAS-BOT-BC14820  Ericameria greenei Annie Montague Alexander; L. Kellogg 1946-8-9 5132 Modoc Patterson Lake Trail, Warner Mountains Comment
  HSC12538  Ericameria nauseosa var. hololeuca Mrs. R. M. Austin Aug 1894 Modoc N of Alturas 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
  SBBG128118  Ericameria nauseosa var. oreophila L. Ahart, J. Dittes 2010-8-30 17052 Modoc S edge of the meadow, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC14781  Ericameria suffruticosa Bruce Bartholomew 1990-8-4 5633 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CAS-BOT-BC42838  Erigeron austiniae Mrs. H. C. Cantelow 1935-6-8 s.n. Modoc S of Marlin. Comment
  CAS-BOT-BC42845  Erigeron bloomeri var. bloomeri Alice Eastwood; John Thomas Howell 1940-6-11 8015 Modoc 7 mi. SW of Canby. Comment
  SJSU9565  Erigeron bloomeri var. bloomeri W. Savage 1979-7-3 1305 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC42801  Erigeron bloomeri var. bloomeri Mrs. H. C. Cantelow 1940-6-2 3226 Modoc NW of Canby. Comment
  CAS-BOT-BC42847  Erigeron bloomeri var. bloomeri R. M. Austin 1894-6-1 s.n. Modoc Lava beds W of Willow Creek. 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
  HSC67926  Erigeron compositus J. P. Smith, J. O. Sawyer 1973-8-8 7225 Modoc Near summit of Eagle Peak 2988 Comment
  UC1567365  Erigeron compositus G. Schoolcraft 1989-7-16 1955 Modoc near Patterson Lake; Warner Mtns. 2773 Comment
  HSC81102  Erigeron coulteri G. M. Riegel 1980-8-9 1019 Modoc S Warner Mts. 2100 Comment
  UC748396  Erigeron coulteri Annie M. Alexander and Louise Kellogg 1946-8-3 5109 Modoc head of Eagle Creek; Warner Mountains, Eagle Creek Comment
  CDA13448  Erigeron divergens G. F. Hrusa, T. D. Wilfred 1996-7-21 13295 Modoc Modoc Plateau; Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC1101510  Erigeron divergens Herbert L. Mason and Verne Grant 1947-7-10 13340 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC1540167  Erigeron divergens Dean W. Taylor 1987-8-9 9278 Modoc 1371 Comment
  JEPS5928  Erigeron divergens Frances D. Payne 1931-6-11 144 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC42752  Erigeron eatonii var. plantagineus Clare Butterworth Hardham 1961-6-18 7573 Modoc Mountains S of Cedar Pass. 1981 Comment
  CAS-BOT-BC42756  Erigeron eatonii var. plantagineus Margaret J. Williams 1984-6-28 84- 67 -2 Modoc 2 mi. N of intersection between Soldier Creek and Old Cannon Mill road, Warner Mtns., N of Cedar Pass 2057 Comment
  CAS-BOT-BC42788  Erigeron eatonii var. plantagineus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16460 Modoc 3 mi. W of summit of Fandango Pass, across Warner Mountains Comment
  CAS-BOT-BC42795  Erigeron eatonii var. plantagineus Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc Hwy 299 just E of Adin Pass Summit. 1576 Comment
  CAS-BOT-BC42797  Erigeron eatonii var. plantagineus Bruce Bartholomew; Barrett Anderson 1988-5-12 4127 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  UC748369  Erigeron eatonii var. plantagineus Annie M. Alexander and Louise Kellogg 1946-7-18 5013 Modoc Benton Meadow Warner Mountains 2072 Comment
  JEPS15467  Erigeron eatonii var. plantagineus Joseph and Hilda W. Grinnell 1938-6-16 1113 a Modoc Cedar Pass summit Warner Mountains 1920 Comment
  OBI50219  Erigeron eatonii var. plantagineus Barbara Ertter 1988-6-18 7628 Modoc Hwy 139 14.5 mi ENE of jct hwy 299 at Canby, N of Bessler Reservoir. T43N R7E sec 36 1463 Comment
  RSA245024  Erigeron elegantulus D. H. Norris, Nelson, Dowty 1971-6-23 s.n. Modoc along the South fork of the Pit River, about 6 miles east of Likely Comment
  JEPS22366  Erigeron filifolius W. L. Jepson 1918-8-7 7894 Modoc Mt. Bidwell 2286 Comment
  CAS-BOT-BC49624  Erigeron glacialis var. glacialis Robert Patterson; Mona Bourell 1993-8-14 5218 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  HSC5082  Erigeron glacialis var. glacialis M. T. Milligan 1964-7-25 176 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC49634  Erigeron inornatus var. inornatus Annie Montague Alexander; L. Kellogg 1946-8-9 5148 Modoc Patterson Lake Trail, Warner Mts. Comment
  JEPS6018  Erigeron inornatus var. inornatus Frances D. Payne 1932-7-25 748 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC71824  Erigeron inornatus var. inornatus Mrs. M. H. Manning 1902-10-11 39 Modoc Warner Mts. 1828 Comment
  CHSC67083  Erigeron linearis James D. Jokerst 1987-5-14 2874 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, E and adjacent to SW-NE oriented fence. 1348 Comment
  UC1540225  Erigeron linearis Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9100 Modoc about 3.5 mi n of n junction with Highway 299 (along Highway 395) 1371 Comment
  UC1561045  Erigeron linearis Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10452 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains, Emerson Creek 2560 Comment
  UC748380  Erigeron linearis Annie M. Alexander and Louise Kellogg 1946-8-9 5137 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  CAS-BOT-BC49643  Erigeron linearis R. M. Austin 1894-6-1 s.n. Modoc Lava beds W of Willow Creek. Comment
  HSC5571  Erigeron linearis M. S. Baker 5 Jul [year missing] Modoc Adobe Meadow, Dixey Valley Comment
  SD5436  Erigeron linearis Mrs. R. M. Austin Unknown Modoc New Pine Creek Comment
Read comments Jul 11 2010
  CDA35644  Erigeron peregrinus J. R. Keck Jr. 1985-7-11 PDR# 237700 Modoc Davis Creek, Modoc National Forest. Comment
  HSC28534  Erigeron philadelphicus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19379 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC49588  Erigeron pumilus subsp. intermedius Alice Eastwood; John Thomas Howell 1940-6-11 8026 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC497208  Eriogonum Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8385 Modoc Warner Mts., Rte. 299, 2 mi N of Stowe Reservoir along USFS dirt road 2011 Comment
  CAS-BOT-BC497225  Eriogonum caespitosum Margaret J. Williams 1988-5-30 88- 26 -8 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC197827  Eriogonum elatum Annie Montague Alexander; L. Kellogg 1946-7-7 4919 Modoc Highway south of town, Fort Bidwell. Comment
  JEPS57005  Eriogonum elatum var. elatum W. L. Jepson 1918-8-9 7919 Modoc 3 mi s Ft. Bidwell 1432 Comment
  RSA65181  Eriogonum elatum var. elatum F. W. Peirson 1926-6-25 6860 Modoc West slope of Warner Mountains on Cedarville Road. Comment
  CAS-BOT-BC497308  Eriogonum heracleoides B. Bartholomew 1990-8-5 5663 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2400 Comment
  CAS-BOT-BC197810  Eriogonum heracleoides var. heracleoides Annie Montague Alexander; L. Kellogg 1946-7-14 5070 Modoc Emerson Peak, Horse Mountain, Warner Mts. Comment
  JEPS56885  Eriogonum heracleoides var. heracleoides W. L. Jepson 1918-8-7 7890 Modoc Plateau summit Mt. Bidwell 2468 Comment
  RSA165621  Eriogonum heracleoides var. heracleoides Clare B. Hardham 1961-6-21 7917 Modoc East of Lakeview Comment
  NY572521  Eriogonum microthecum var. ambiguum B. M. Bartholomew 1991-8-5 6054 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mountains. 2530 Comment
  CAS-BOT-BC197800  Eriogonum microthecum var. laxiflorum G. Schoolcraft 1985-8-6 1503 Modoc SW of Alturas. 1493 Comment
  CAS-BOT-BC211436  Eriogonum nudum var. pubiflorum G. D. Hanna 1958-9-23 Modoc Cedar Pass Comment
  CAS-BOT-BC211439  Eriogonum nudum var. pubiflorum Elmer Ivan Applegate 1932-8-1 7995 Modoc N of Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC211450  Eriogonum nudum var. pubiflorum John Thomas Howell 1934-7-1 12314 Modoc Duncan Horse Camp. 1355 Comment
  SEINET11261578  Eriogonum nudum var. pubiflorum Richard R. Halse 2004-7-22 6671 Modoc Along U.S. Hwy 395, ca 6 miles north of Alturus.; 0 1341 Comment
  UC1369845  Eriogonum nudum var. pubiflorum Robert F. Thorne and C. W. Tilforth 1969-9-4 39052 Modoc 11.8 mi n along Hwy. 395 Alturas (slope above N. Fork of Pit River); N. Fork of Pit River 1371 Comment
  CAS-BOT-BC211434  Eriogonum nudum var. pubiflorum B. Bartholomew; Barrett Anderson 1988-7-21 4407 Modoc 2.1 km SSE of Day of the road to state Highway 299 1020 Comment
  SEINET11261589  Eriogonum nudum var. pubiflorum Margaret J. Williams 1984-6-30 84- 76 -1 Modoc Cedar Pass Road, Warner Mtns, 1.7 mi W of Cedarville.; 0 1509 Comment
  RSA759522  Eriogonum prociduum James L. Reveal 2007-6-3 8828 Modoc Along U. S. Highway 295 at milepost 31.7, 1.1 miles north of the Chimney Rock Exit near Surprise and about 3.5 miles north of California Highway 299. 1402 Comment
  UCR163354  Eriogonum prociduum Jim Andre 1993-7-4 1443 Modoc Centerville Rd. about 10 miles SW of Alturas 1402 Comment
  JEPS56345  Eriogonum spergulinum var. reddingianum W. L. Jepson 1918-8-7 7871 Modoc Mt. Bidwell 2377 Comment
  CAS-BOT-BC211380  Eriogonum sphaerocephalum var. halimioides Robert J. Weatherby 1955-7-8 1641 Modoc West side of Cedar Pass, near Marner Mts. 1645 Comment
  NY283122  Eriogonum sphaerocephalum var. halimioides B. Anderson 1986-7-9 3159 Modoc Warner Mountains. Highway 299 just west of Cedar Pass. Comment
  SJSU5895  Eriogonum sphaerocephalum var. halimioides H. L. Buckalew 1961-6-26 Modoc Deep Cr Canyon, Warner Mts 1767 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
  UC727034  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1941-6-24 16193 Modoc just s Indian Springs (along U. S. Highway #299) Comment
  RSA97511  Eriogonum sphaerocephalum var. halimioides Beecher Crampton 1954-7-7 2122 Modoc Low clumps among boulders; volcanic plateau, Juniper-Sagebrush assoc Collis Ranch, County rd. 56, 6 mi. east of Alturas. Comment
  CAS-BOT-BC211355  Eriogonum strictum subsp. anserinum G. D. Hanna; M. M. Hanna 1956-6-5 Modoc Cedar Pass. Comment
  CAS-BOT-BC211361  Eriogonum strictum subsp. anserinum C. L. Hitchcock 1940-5-27 6656 Modoc 9 miles northeast of Alturas. 1402 Comment
  CHSC32928  Eriogonum strictum var. anserinum J. P. Smith; J. O. Sawyer 1973-8-8 7246 Modoc South slopes of Eagle Peak. 2743 Comment
  RSA601668  Eriogonum strictum var. anserinum Louis C. Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mts. 2378 Comment
  CAS-BOT-BC211375  Eriogonum umbellatum Bruce Bartholomew 1991-8-5 6069 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  CAS-BOT-BC211331  Eriogonum umbellatum var. glaberrimum J. L. Reveal; Darin Scott Reveal 1978-8-11 4825 Modoc Warner Mts., along Modoc Co. Rd. 2 from near New Pine Creek to Fort Bidwell, 0.3 mi. W of Poison Lake turnoff. 1920 Comment
  CHSC14172  Eriogonum umbellatum var. modocense K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5846 Modoc S side of Hwy. 139, between Canby and Hackamore. Comment
  CHSC70474  Eriogonum umbellatum var. modocense A. Sanger 1997-6-24 2547 Modoc Low sage flat SW of Pinky's Pond. Along small drainage. 1493 Comment
  RSA0118775  Eriogonum umbellatum var. modocense Lawrence P. Janeway, B. Castro 2012-7-24 10962 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  RSA554809  Eriogonum umbellatum var. modocense M. J. Williams 1988-5-30 88- 23 -1 Modoc First road into Big Sage Reservoir from Crowder Flat road, NW of Alturas. 1540 Comment
  CAS-BOT-BC197784  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-7-9 7599 Modoc Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC197786  Eriogonum umbellatum var. nevadense Robert J. Weatherby 1955-7-8 1633 Modoc 3 mi. N of Ft. Bidwell, Warner Mts. 1554 Comment
  CAS-BOT-BC197789  Eriogonum umbellatum var. nevadense Annie Montague Alexander; L. Kellogg 1946-7-11 4972 Modoc Mesa W of Eight Mile Creek, NE corner of county. 1752 Comment
  NY399269  Eriogonum umbellatum var. nevadense M. J. Williams 1984-7-1 8487- 6 Modoc Northwest of Alturas, Crowder Flat Road, near Big Sage Reservoir 1371.6 Comment
  RSA339147  Eriogonum umbellatum var. nevadense Margaret J. Williams 1984-7-1 s.n. Modoc NW of Alturas, Crowder Flat Rd., near Big Sage Rservoir. 1372 Comment
  HSC17359  Eriogonum umbellatum var. nevadense M. T. Milligan 1965-6-27 372 Modoc E slope of eroded volcanic plateau. 1677 Comment
  SEINET5331846  Eriogonum umbellatum var. nevadense J. Gentry Jr. 1968-7-4 2111 Modoc 15.2 miles northwest of Hwy. jct. Calif.139 and Calif.299, on Calif. 139. 1448 Comment
  CAS-BOT-BC197613  Eriogonum umbellatum var. polyanthum Bruce Bartholomew 1990-6-15 5246 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  SEINET248298  Eriogonum umbellatum var. porteri Noel H. Holmgren, James L. Reveal 1964-8-22 1420 Modoc Warner Range, just below the top of Eagle Peak. 3028 Comment
  CAS-BOT-BC197593  Eriogonum vimineum Annie Montague Alexander; L. Kellogg 1946-7-17 4996 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC197603  Eriogonum vimineum Roxana Stinchfield Ferris; R. Duthie 1919-6-16 192 Modoc Above Parker Creek, Modoc Nat. Forest Boundry. Comment
  RSA165635  Eriogonum vimineum Clare B. Hardham 7836 Modoc Davis Creek 1677 Comment
  SBBG18303  Eriogonum vimineum C. B. Hardham 1961-6-19 7836 Modoc Davis Crk 1676 Comment
  HSC17398  Eriogonum vimineum M. T. Milligan 1964-7-24 163 Modoc Badger Wells Rd. at Boles Creek Crossing 1524 Comment
  LA84252  Eriogonum vimineum O. H. Kappler; 1949-7-26 sn Modoc S of Alturas, along highway 395 1402 Comment
  CAS-BOT-BC49552  Eriophyllum lanatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16372 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 mi. N of Alturas 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-BC49568  Eriophyllum lanatum Bruce Bartholomew 1989-7-15 5001 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC49597  Eriophyllum lanatum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10512 Modoc Patterson Ranger Station (East Creek drainage), Modoc N.F., Warner Mtns. 2164 Comment
  CHSC112350  Eriophyllum lanatum var. achilleoides L. P. Janeway; B. Castro 2014-2-6 11283 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  POM358024  Eriophyllum lanatum var. achilleoides Christopher Davidson 1975-6-4 2611 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  RSA34971  Eriophyllum lanatum var. achilleoides Roxana S. Ferris, Laura Lorraine 1941-8-13 10512 Modoc Patterson Ranger Station (East Creek drainage). Modoc National Forest, Waner Mts. 2165 Comment
  RSA554808  Eriophyllum lanatum var. achilleoides Margaret J. Williams, Arnold Tiehm, Jan Nachlinger 1988-6-2 88- 28 -10 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  UC201710  Eriophyllum lanatum var. achilleoides W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains, Head N. Fork Parker Cr. 2286 Comment
  SD61001  Eriophyllum lanatum var. achilleoides Darley F. Howe 1964-7-31 Modoc 8.5 miles from entrance to Modoc National Forest, road east of Likely, Warner Mountains. 1555 Comment
  UC31682  Eriophyllum lanatum var. achilleoides Milo S. Baker 1893-6 Modoc Comment
  UC31683  Eriophyllum lanatum var. achilleoides Milo S. Baker 1893-6-27 Modoc Comment
  JEPS86329  Eriophyllum lanatum var. integrifolium Jack and Betty Guggolz 1988-6-29 962 Modoc slope to the n of Jenkins Spring Comment
  CAS-BOT-BC21479  Eryngium articulatum Leland S. Smith 1917-9-18 163 Modoc Little Grizzly Ranger Station. 1828 Comment
  JEPS16981 Image available Eryngium articulatum Milo S. Baker 1899-8-12 Modoc near Large's; Egg Lake; Egg Lake, Modoc Co. Comment
  RSA210855  Eryngium articulatum R. F. Thorne, C. W. Tilforth 1969-9-4 39059 Modoc 2 mi W of Davis Creek (town), S of Goose Lake. 1433 Comment
  UC1487324  Eryngium articulatum Lisa Ganio 1981-9-1 18 Modoc at mouth of s.w. drainage of Bayley Reservoir 1584 Comment
  UC635845  Eryngium articulatum Louis C. Wheeler 1935-9-13 3985 Modoc Fletcher Creek at Pease Place (Devil's Garden); , Fletcher Creek, Pease Place 1524 Comment
  UC809837  Eryngium articulatum G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-7 4012 Modoc 35 mi. s. Tule Lake (Mud Lake); Mud Lake 1524 Comment
  RSA504596  Eryngium articulatum Bruce Bartholomew, B. Anderson 1988-6-23 4289 Modoc South side of Egg Lake, ca. 1.5 km west of the Burlington Northern railroad track 1300 Comment
  RSA0089587  Eryngium mathiasiae Dean Wm. Taylor, Glenn L. Clifton 1988-8-11 10042 Modoc Near Lone Pine Lake. 1383 Comment
  UC1510464  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc near Double Head Mt. (s. part of large wetland e. of rd., Modoc Nat'l Forest); Modoc Nat'l Forest Comment
  UC1487347 Image available Eryngium mathiasiae Yusuf Sheikh and Lincoln Constance 1973-6-27 551 Modoc 9.8 mi wwn Canby (on State Highway 139); ; WWN of Canby, Hwy. 139, Modoc Co. Comment
  RSA520352  Erysimum capitatum Bruce Bartholomew, B. Anderson 1989-6-3 4897 Modoc Ca 9 km SSW of Timber Mountain. 1370 Comment
  CAS-BOT-BC58326  Erysimum capitatum var. capitatum Leland S. Smith 1917-7-2 65 Modoc Warren Mt. 2590 Comment
  CAS-BOT-BC58333  Erysimum capitatum var. capitatum Elmer Ivan Applegate 1932-8-1 8045 Modoc W slope of Warner Mts. S of Warren Peak. Comment
  CAS-BOT-BC58574  Erysimum capitatum var. capitatum Leland S. Smith 1920-6-1 1152 Modoc 12 Mile Creek. 1981 Comment
  CAS-BOT-BC58336  Erysimum repandum Francis Dorris Payne 1932-5-27 410 Modoc Parker Creek. 1584 Comment
  JEPS5989  Erysimum repandum Frances D. Payne 1932-5-27 410 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS90160  Erysimum repandum Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12532 Modoc 7 mi w of Alturas (Modoc Plateau, Highway 299 at Milepost 25.5, on hillside 0.3 mi n of the highway); Modoc Plateau, Highway 299 at Milepost 25.5 Comment
  RSA26472  Erysimum repandum Alice Eastwood, J. T. Howell 1940-6-12 8095 Modoc Midway between Likely and Alturas. Comment
  UC1332120  Erysimum repandum Alice Eastwood and John Thomas Howell 1940-6-12 8095 Modoc midway between Likely and Alturas Comment
  CHSC30494  Erythranthe guttata N. E. H. Orouty 1980-5-25 164 Modoc Along stream from hot spring. Comment
  CAS-BOT-BC234524  Erythranthe lewisii Annie Montague Alexander; L. Kellogg 1946-7-24 5064 Modoc Trail to Emerson Camp, Pear Camp Flat. Comment
  CAS-BOT-BC234526  Erythranthe lewisii Bruce Bartholomew; Barrett Anderson 1988-7-22 4537 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mts.. 1980 Comment
  CAS-BOT-BC234529  Erythranthe lewisii Leland S. Smith 1917-7-29 125 Modoc Mill Creek above Cedarville. 1981 Comment
  CAS-BOT-BC234465  Erythranthe pulsiferae Alice Eastwood; John Thomas Howell 1940-6-14 8237 Modoc Near Hackamore. Comment
  RSA550584  Erythranthe pulsiferae Bruce Bartholomew 1991-7-4 5902 Modoc Roney Flat. 1460 Comment
  RSA520358  Eschscholzia californica subsp. californica Bruce Bartholomew, B. Anderson 1989-6-3 4917 Modoc 9 km W of County Route 91 along the N side of the Pit River 1340 Comment
  CAS-BOT-BC15167  Eurybia integrifolia Bruce Bartholomew 1989-8-12 5112 Modoc Middle Fork of Fitzhugh Creek along West Warner Road, W side of Warner Mountains. 1920 Comment
  UC748364  Eurybia integrifolia Annie M. Alexander and Louise Kellogg 1946-8-9 5130 Modoc Patterson Lake Trail Warner Mountains Comment
  UC71688  Euthamia occidentalis Mrs. M. H. Manning 1903-8-26 330 Modoc near Fort Bidwell; ne Modoc Co. Comment
  HSC80817  Festuca californica G. M. Riegel 1980-7-16 909 Modoc S Warner Mtn. 1670 Comment
  CAS-BOT-BC247709  Festuca idahoensis John Thomas Howell 1934-7-1 12336 Modoc Duncan Horse Camp. 1355 Comment
  CHSC117227  Festuca idahoensis Lowell Ahart; John Dittes 2016-6-6 20941 Modoc About 20 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
  CHSC118818  Festuca idahoensis L. P. Janeway 2014-7-8 11477 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Raod 48 (along the west edge of Goose Lake). 1759 Comment
  CAS-BOT-BC247704  Festuca idahoensis Leland S. Smith 1917-7-12 100 Modoc Bald Mt. and Cedar. 2560 Comment
  CDA2095  Festuca pratensis T. C. Fuller 1958-7-8 2017 Modoc Davis Creek. 0 Comment
  UC1037140  Festuca pratensis Leo Whitney 1935-6-29 3359 Modoc Alturas Comment
  JEPS69256  Festuca pratensis Leland S. Smith 1918-1 107 Modoc Comment
  RSA101368  Floerkea proserpinacoides R. Weatherby 1955-7-7 1614 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  CHSC118328  Frasera albicaulis var. modocensis L. P. Janeway 2016-5-19 12097 Modoc Modoc Plateau. Devils Garden area; along Crowder Flat Road (Road 73/48N08) 1.8 road-km south of Road 73/181/47N09; about 1.8 air-km south-southeast of Janes Reservoir. 1548 Comment
  JEPS126537  Frasera albicaulis var. modocensis Lowell Ahart, John Dittes 2016-6-6 20954 -B 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
  SEINET8584489  Frasera albicaulis var. modocensis M. J. Williams 1988-5-28 88- 19 -4 Modoc Hwy 395, intersection with Davis Creek Road. Comment
  POM518787  Frasera albicaulis var. nitida Barbara Ertter 1988-6-18 7620 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  CAS-BOT-BC242103  Fritillaria atropurpurea Leland S. Smith 1919-6-18 1130 Modoc Mill Creek. 2133 Comment
  CAS-BOT-BC242110  Fritillaria atropurpurea K. Paulson; Robert Paulson 1988-6-11 32 Modoc North of Stough Reservoir, Warner Mts.. 1706 Comment
  CHSC67139  Fritillaria atropurpurea James D. Jokerst 1987-5-11 2824 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  HSC97880  Fritillaria atropurpurea Juha Pykala, D. H. Norris 1987-5-28 1265 Modoc Warner Mtns., 3-4 mi. W of Lake City, Lake City Canyon 1829 Comment
  UC71742  Fritillaria atropurpurea Mrs. M. H. Manning May, 1903 128 Modoc Fort Bidwell, in north eastern Modoc County Fort Bidwell Comment
  CAS-BOT-BC504568  Fritillaria atropurpurea John Thomas Howell 1934-6-14 12121 Modoc Near Lost Lake, Warner Mts 2438 Comment
  CHSC26574  Fritillaria atropurpurea L. Mayer 1974-1-1 Modoc Comment
  RSA367712  Fritillaria atropurpurea Christopher Davidson 1975-6-4 2615 Modoc 2.5 mi W of Cedarville on Hwy 299. South sloping hillside of rocky basalt and red clay. 1677 Comment
  UC3638  Fritillaria atropurpurea Milo S. Baker 1893-6-10 Modoc Comment
  CAS-BOT-BC242089  Fritillaria pudica L. A. M. Black 1894-4-1 100 Modoc Davis Creek. Comment
  CHSC30634  Fritillaria pudica N. E. H. Prouty 1980-6-2 171 Modoc Sheep Rock T. S. Rising above Dry Creek. Modoc Nat. Forest, Warner Mt. District. Comment
  UC1036047  Fritillaria pudica Annie M. Alexander and Louise Kellogg 1946-6-8 4699 Modoc road from Eagleville to Patterson Mill 2286 Comment
  UC119837  Fritillaria pudica Mrs. R. M. Austin Apr. 1894 5 Modoc Lassen Creek Comment
  UC1191797  Galeopsis tetrahit Herbert L. Mason and Verne Grant 1947-7-12 13417 Modoc s of Alturas (near s end of Westside Road); Pit River Valley Comment
Read comments May 29 2009
  UC416628  Galium aparine W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Creek Warner Mountains 1676 Comment
  POM367842  Galium asperrimum Christopher Davidson 1975-6-4 s.n. Modoc 2.5. miles W of Cedarville on Hwy 299. 1677 Comment
  CAS-BOT-BC225058  Galium bifolium Bruce Bartholomew; Barrett Anderson 1989-6-2 4843 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  UC416660  Galium bifolium Mrs. M. H. Manning 1907-1 Modoc e side of mt Mt. Bidwell, 12 Mile Creek (ne Modoc Co.) Comment
  CAS-BOT-BC225078  Galium multiflorum Bruce Bartholomew 1993-6-13 6617 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  SBBG18758  Galium serpenticum C. B. Hardham 1961-6-20 7865 Modoc mouth of Pine Crk Cyn 1554 Comment
  CAS-BOT-BC190840  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1990-7-20 5482 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC190843  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-7-15 4988 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC190851  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1988-7-22 4493 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  RSA563316  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-7-14 4948 Modoc Ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch 1340 Comment
  RSA165628  Gayophytum humile Clare B. Hardham 1961-6-17 7516 Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  CAS-BOT-BC190825  Gayophytum racemosum Leland S. Smith 1922-7-20 1294 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  UC205189  Gayophytum racemosum W. P. Taylor and H. C. Bryant 1910-7-13 Modoc N. Fork Parker Cr. Warner Mountains (head) 2225 Comment
  CAS-BOT-BC190818  Gayophytum ramosissimum John Thomas Howell 1934-6-30 12281 Modoc Duncan Horse Camp. 1355 Comment
  JEPS24348  Gentiana affinis var. ovata L. S. Smith 1918-7-29 1010 Modoc Patterson Mill Warner Mts. 2194 Comment
  UC187819  Gentianopsis simplex Mrs. R. M. Austin Aug, 1894 95 Modoc head waters of Lassen Creek Comment
  CAS-BOT-BC180077  Geranium viscosissimum John H. Hatton 1911-6-13 79 Modoc Modoc County. 1389 Comment
  UC748255  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-6-12 4726 Modoc 1 mi e Lake City 1414 Comment
  CAS-BOT-BC214654  Geum macrophyllum Elmer Ivan Applegate 1932-8-2 8094 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CAS-BOT-BC214656  Geum macrophyllum Bruce Bartholomew; Barrett Anderson 1988-7-21 4442 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  NY847800  Geum macrophyllum B. Anderson 1986-7-10 3196 Modoc Warner Mountains. West Warner Road at the North Fork of Pine Creek 1935 Comment
  CAS-BOT-BC214660  Geum triflorum E. S. Willits 1940-5-20 280 Modoc Between Perez and Canby. 1371 Comment
  CAS-BOT-BC214663  Geum triflorum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16480 Modoc Along Lassen Creek on road to Davis Creek, Warner Mts. Comment
  CAS-BOT-BC214679  Geum triflorum Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc E of Adin Pass Summit, on U.S. highway 299. 1576 Comment
  CAS-BOT-BC214681  Geum triflorum Alice Eastwood; John Thomas Howell 1940-6-14 8217 Modoc 8 mi. NW of Canby. Comment
  HSC27360  Geum triflorum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19433 Modoc Near Hager Reservoir Comment
  RSA666425  Geum triflorum Barbara Ertter 1988-6-18 7627 Modoc Hwy 139 14.5 miles ENE of jct Hwy 299 at Canby, N of Bessler Reservoir. 1463 Comment
  CAS-BOT-BC214674  Geum triflorum John H. Hatton 1911-6-10 17 Modoc Modoc County. 1767 Comment
  CAS-BOT-BC190703  Gilia brecciarum subsp. brecciarum Elmer Ivan Applegate 1936-5-4 10230 Modoc Lyon rock near Hospital Rock, Lava Beds National Monument. Comment
  CAS-BOT-BC190700  Gilia capillaris Bruce Bartholomew; Barrett Anderson 1990-7-20 5519 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  RSA104288  Gilia modocensis Verne Grant, Alva Grant 1956-5-18 9804 Modoc area between Likely and Jess Valley (Type locality of G. modocensis Eastw.). 1524 Comment
  UC23639  Gilia salticola Mrs. C. C. Bruce June 1898 2328 Modoc near Likely; near Likely Comment
  CAS-BOT-BC190671  Gilia sinistra subsp. sinistra Bruce Bartholomew; Barrett Anderson 1989-6-1 4729 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC95144  Githopsis specularioides Bruce Bartholomew 1995-6-1 6919 Modoc NW edge of Little Hot Spring Valley NW of Day. 1080 Comment
  CAS-BOT-BC218302  Glaux maritima Arnold Tiehm; S. Cochrane; Jan Nachlinger; Gary Schoolcraft 1984-6-24 8796 Modoc Surprise Valley Mineral Wells on E side of Alkali Lake. 1371 Comment
  HSC10710  Glyceria elata M. T. Milligan 1966-6-30 511 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  JEPS69272  Glyceria elata W. L. Jepson 1918-8-12 7945 Modoc South Fork Pass to Jess Valley 1584 Comment
  POM172480  Glyceria striata Franklin P. Nutting 1894-8-25 s.n. Modoc Forestdale Comment
  CAS-BOT-BC49535  Gnaphalium palustre Clare Butterworth Hardham 1974-8-6 20172 Modoc Cedar Pass, Warner Mountains between Alturas and Cedarville 1935 Comment
  HSC65392  Gnaphalium palustre Thomas Wood 1979-8-8 223 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  JEPS21901  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-18 8038 Modoc Eastside Canal s Alturas (5 mi n of Bayley's bridge); Eastside Canal Comment
  JEPS21902  Gratiola neglecta Malcolm A. Nobs and S. Galen Smith 1949-7-22 1067 Modoc Likely canals at South Fork of Pit River (bottom of dry canals at South Fork of Pit River) Comment
  UC1191878  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-18 8038 Modoc Eastside Canal s Alturas (5 mi n of Bayley's bridge) Comment
  UC1191879  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-12 13393 Modoc off highway 395 several mi s Alturas (irrigation ditch by Jones' Lane) Comment
  UC1191894  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-11 13374 Modoc along Highway #395 s Alturas (near w side of road); South Fork of Pitt River Comment
  UC1051570  Gratiola neglecta Verne E. Grant and Irving Schneider 1947-7-20 8094 Modoc s loop of Westside Road n Likely (Pitt Valley); Pitt Valley Comment
  CAS-BOT-BC95532  Grayia spinosa Bruce Bartholomew; Barrett Anderson 1989-4-29 4682 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC95533  Grayia spinosa Bruce Bartholomew; Barrett Anderson 1989-4-29 4684 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  SJSU9670  Grindelia nana W. Savage 1979-7-10 1517 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET195672  Grindelia nana Annie M. Alexander, L Kellogg 1946-6-17 4998 Modoc Along road to Alturas and N to Davis Creek Warner Mountains Comment
  SDSU20106  Hackelia californica Lee Ripma, R. B. Kelley 2012-7-24 385 Modoc Side of FR31. 2386 Comment
  CAS-BOT-BC54095  Hackelia cusickii M. M. Hanna 1956-6-7 1019 Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC54097  Hackelia cusickii Frederick H. Frost 1925-5-24 42 Modoc Steamboat Canyon, Warner Mountains 1767 Comment
  CAS-BOT-BC54052  Hackelia micrantha K. Paulson; Robert Paulson 1991-7-7 234 Modoc Deep Canyon Road, E side of Warner Mountains. 2057 Comment
  CAS-BOT-BC54053  Hackelia micrantha Francis Dorris Payne 1929-7-7 47 Modoc Pine Creek Basin, Warner Mountains 2316 Comment
  POM260415  Hackelia micrantha C. L. Hitchcock 1940-5-27 6691 Modoc 15 miles NE of Alturas. 1616 Comment
  HSC3659  Hackelia micrantha M. T. Milligan 1967-7-8 668 Modoc E of Jess Valley 2134 Comment
  HSC80930  Hackelia micrantha G. M. Riegel 1979-7-3 454 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC49548  Helianthus annuus Leland S. Smith 1922-8-5 1330 Modoc Barber Canyon old homestead field. 1371 Comment
  CHSC117236  Helianthus annuus Lowell Ahart; John Dittes 2016-7-16 21244 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS5938  Helianthus cusickii Frances D. Payne 1932-6-27 617 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA92483  Helianthus cusickii F. W. Peirson 1926-6-26 6902 Modoc between Alturas and Canby Comment
  UC134684  Helianthus nuttallii subsp. nuttallii Mrs. R. M. Austin 1894-7-1 Modoc above Alturas; Pit River Comment
  RSA611434  Heliotropium curassavicum var. oculatum L. C. Wheeler 1935-9-4 3943 Modoc Goose Lake: McGinty Point. 1463 Comment
  CAS-BOT-BC21465  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5542 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  CAS-BOT-BC21467  Heracleum lanatum Bruce Bartholomew 1989-8-11 5068 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC180042  Hesperochiron californicus K. Paulson; Robert Paulson 1989-4-16 102 Modoc Crowder Flat Road, Devil's Garden. Comment
  CDA40308  Hesperochiron californicus M. Charrier 1969-5-25 s.n. Modoc West Valley Reservoir, southeast of Likely. 0 Comment
  UC1055935  Heteranthera dubia Herbert L. Mason 1955-8-14 14658 Modoc below Canby; Pit River Comment
  SEINET195678  Heuchera cylindrica Annie M. Alexander, L Kellogg 1946-7-29 5089 Modoc Warner Mountains; Head of Eagle Creek. Comment
  JEPS43514  Heuchera cylindrica var. ovalifolia B. M. Payne 1930-5-11 759 Modoc s and e Alturas (Parker Creek); Warner Mountains 1584 Comment
  SEINET201655  Heuchera rubescens var. truncata Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8504 Modoc Atop ridge south of Mill Creek, a little above Clear Lake; Warner Mountains; 15 miles East of Likely 1980 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
  HSC5828  Hieracium albiflorum M. T. Milligan 1964-7-25 186 Modoc Pine Creek Basin, along trail. 2439 Comment
  SEINET11259286 Image available Hieracium albiflorum A. Sanger 1996-7-12 2417 Modoc On road 44N69 less than 1/2 mile from large turn. Found between 2 logging systemroads running E-W 2024 Comment
  JEPS36580  Hieracium nudicaule L. S. Smith 1924-6-22 1428 Modoc Lava Beds Modoc Forest, Lava Beds 1310 Comment
  CAS-BOT-BC316025  Hieracium scouleri Elmer I. Applegate 1935-6-8 9425 Modoc Bear Paw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC49484  Hieracium scouleri Elmer Ivan Applegate 1932-7-31 7957 Modoc Mill Creek Meadow, Warner Mountains Comment
  CAS-BOT-BC49516  Hieracium scouleri Elmer Ivan Applegate 1932-8-7 8236 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC49525  Hieracium scouleri Bruce Bartholomew; Barrett Anderson 1990-7-19 5418 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  UC71691  Hieracium scouleri Mrs. M. H. Manning 1903-6-1 163 a Modoc near Fort Bidwell (ne Modoc County) Comment
  UC748197  Hieracium scouleri Annie M. Alexander and Louise Kellogg 1946-7-7 4935 Modoc Eight Mile Creek, ne corner of county Eight Mile Creek 1752 Comment
  SJSU9706  Hieracium scouleri W. Savage 1979-7-10 1526 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  UC1191993  Hippuris vulgaris Herbert L. Mason and Verne Grant 1947-7-12 13429 Modoc n. Likely (s. loop of w. side of rd.) Comment
  SEINET8408787  Holodiscus microphyllus Unknown 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC214705  Holodiscus microphyllus var. glabrescens Bruce Bartholomew; Barrett Anderson 1988-7-22 4488 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 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
  UCR163265  Hordeum brachyantherum Jim Andre 1993-7-2 1428 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC247680  Hordeum jubatum Louis Cutter Wheeler 1935-8-2 3743 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC284697  Hordeum jubatum John Thomas Howell 1934-7-1 12348 Modoc Duncan Horse Camp Comment
  SBBG115845  Hordeum jubatum B. Crampton 1954-7-7 2160 Modoc 2.5 mi E of Alturas, near radio stn Comment
  UCD14404  Hordeum jubatum Sheryl Gill 1996-9-3 s.n. Modoc At the Tule Lake National Wildlife Refuge - 'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump; 'Captain Jack's Stronghold' GS map quad; 1229 Comment
  UC1024886  Hordeum murinum subsp. glaucum Leo Whitney 1935-5-26 3131 a Modoc Adin Comment
Read comments May 5 2009
  POM520354  Horkelia fusca subsp. parviflora Bruce Bartholomew, B. Anderson 1989-6-3 4901 Modoc 8 km WNW of Long Bell Ranger Station. 1349 Comment
  CAS-BOT-BC214715  Horkelia tridentata K. Paulson 1978-6-24 s.n. Modoc Curtis Water Hole. Comment
  RSA249347  Horkelia tridentata D. H. Norris, S. Dowty, S. Nelson 1971-6-23 19508 Modoc along the South fork of the Pit River, about 6 miles east of Likely. Comment
  SEINET11256901  Hornungia procumbens N. H. Holmgren, P. K. Holmgren 1998-5-30 12995 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 miles) E of downtown Cedarville, at a turnoff to some hot springs. 1370 Comment
  CAS-BOT-BC179322  Hydrophyllum capitatum var. alpinum Annie Montague Alexander; L. Kellogg 1946-7-24 5077 Modoc Bear Camp Flat. 2286 Comment
  HSC30190  Hydrophyllum capitatum var. alpinum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19321 Modoc Soup Springs Campground Comment
  RSA101502  Hydrophyllum capitatum var. alpinum R. Weatherby 1955-7-7 1602 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  HSC26496  Idahoa scapigera J. P. Smith, J. O. Sawyer 1972-5-6 5268 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  UC117501  Idahoa scapigera R. M. Austin May, 1894 8 Modoc Goose Lake Valley Comment
  CAS-BOT-BC179105  Iliamna bakeri Leland S. Smith 1922-7-25 1310 Modoc Grouse Mt. 1981 Comment
  UCD133486  Ionactis alpina C. N. Saulisberry 1964-7-1 s.n. Modoc eastern Modoc County. Comment
  HSC80888  Ipomopsis aggregata subsp. attenuata G. M. Riegel 1980-7-30 978 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC190640  Ipomopsis congesta subsp. palmifrons Bruce Bartholomew 1991-8-5 6046 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2470 Comment
  CAS-BOT-BC190635  Ipomopsis congesta subsp. palmifrons Elmer I. Applegate 1935-6-10 9486 Modoc Lave Beds National Monument, Caldwell Butte. Comment
  RSA181832  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-1 65 -22 Modoc Likely, in a canyon in foothills of Warner Mountains 1646 Comment
  CAS-BOT-BC58403  Isatis tinctoria K. Paulson; Robert Paulson 1989-7-14 180 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 2171 Comment
  CHSC112817  Isatis tinctoria Lowell Ahart; John Dittes 2013-7-25 18962 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
  CHSC115834  Isatis tinctoria Lowell Ahart; John Dittes 2015-7-17 20402 Modoc About 100 yards north of Ash Creek, Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 (air) northeast of Bieber. 1279 Comment
  SEINET13762148 Image available Isatis tinctoria J. A. Young 1969-8-15 s.n. Modoc Round Valley, Adin Comment
  RSA639341  Isoetes bolanderi L. C. Wheeler 1935-8-14 3857 Modoc Cave Lake, Pine Creek, Warner Mtns. (Mt Diablo Mer.) 2073 Comment
  JEPS127257  Isoetes nuttallii Lowell Ahart, John Dittes 2016-6-6 20972 Modoc About one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CDA34549  Iva axillaris subsp. robustior L. Ahart, John Dittes 2008-8-25 15304 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. Comment
  UC519039  Ivesia gordonii Elmer I. Applegate 1932-8-1 8049 Modoc near summit just s Warren Peak (w summit of Warner Mountains); Warner Mountains Comment
  HSC18689  Ivesia gordonii var. ursinorum M. T. Milligan 1965-7-10 431 Modoc W slopes of Eagle Peak 2591 Comment
  CHSC100109  Juncus balticus L. P. Janeway; B. Castro 2008-8-16 9546 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  JEPS63878  Juncus balticus subsp. ater Leland S. Smith 1920-7-13 1186 Modoc Crowder Flat Modoc National Forest 1371 Comment
  SJSU9659  Juncus bufonius W. Savage 1979-7-9 1496 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS121224  Juncus bufonius var. congestus Lowell Ahart, John Dittes 2013-7-24 18929 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  JEPS127313  Juncus bufonius var. occidentalis Lowell Ahart, John Dittes 2016-7-14 21205 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
  CHSC117259  Juncus ensifolius Lowell Ahart; John Dittes 2016-7-14 21206 Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC245048  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-24 7036 Modoc 6 km E of Burlington Northern Railroad track on Forest Service Road 42N03. 1340 Comment
  UC1601791  Juncus nevadensis Baker and Nutting 1894-1 Modoc Comment
  LA91908  Juncus nevadensis var. nevadensis C. L. Hitchcock; 1940-5-27 6715 Modoc 15 mi. NE of Alturas Comment
  NY20194  Juniperus occidentalis F. R. Fosberg 1957-8-18 38855 Modoc This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD160277  Juniperus occidentalis Chuck Hughes 2014-9-12 413 Modoc West of Cedarville. Small ridge near side of trail, about 500 feet southwest of Highway 299. 1661 Comment
  LA6642  Juniperus occidentalis Carl Epling; Mrs. Epling 1935-8-15 Modoc Courtwright Comment
  SEINET10531162  Juniperus occidentalis LeRoy E. Detling 1948-5-23 Detling 6245 Modoc Plum Ridge, near Canby. Yellow Pine forest. Pinus ponderosa, P. jeffreyi, Juniperus occidentalis & Arctostaphylos patula. Level plateau; rocky red clay-loam. 1524 Comment
  SEINET10531163  Juniperus occidentalis Jeffrey Huber 1971-6-3 Huber 84 Modoc 5 mi S of Canby on Calif Hwy 299, Lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper, Artemesia, Purshia, Poa assoc. 1280 Comment
  HSC103930  Juniperus occidentalis var. occidentalis L. Ahart, John Dittes 2008-8-26 15358 Modoc About 9.3 mi. (air) NNE of Lookout; on the SE side of Rose Creek, 750 ft. SW of confluence of Rose Creek and Pit River, on the NW side of unnamed road, 2,660 ft. E of intersection with County Rd. 85A 1277 Comment
  JEPS114908  Juniperus occidentalis var. occidentalis Lowell Ahart, John Dittes 2008-8-26 15358 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  POM229190  Kalmia polifolia subsp. microphylla L. C. Wheeler 1935-8-4 3776 Modoc Pine Creek, Warner Mts. 2210 Comment
  RSA504628  Kalmia polifolia subsp. microphylla Bruce Bartholomew, B. Anderson, Bartholomew 1988-6-24 4345 Modoc Vicinity of Blue Bell Mine between Lily Lake and Fort Bidwell on County Road 2, Warner Mountains. 2190 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-BC225090  Kelloggia galioides Bruce Bartholomew 1989-7-15 5013 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC225093  Kelloggia galioides Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2149 Modoc Cedar Peak. Comment
  HSC30200  Kelloggia galioides D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19514 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CHSC69230  Koeleria macrantha James D. Jokerst 1986-8-10 2748 Modoc Radar Survey Site S of Doublehead Mtn., ca. 400 m NE of a NW-SE oriented fence and road. 1341 Comment
  CHSC85185  Koeleria macrantha John Dittes; Josephine Guardino 1991-7-21 438 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
  UCD85783  Koeleria macrantha Beecher Crampton 1960-6-17 5683 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  CHSC99898  Lactuca tatarica subsp. pulchella Lowell Ahart; John Dittes 2008-8-26 15344 Modoc On the banks of Rose Creek, 250 feet southwest of the confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3,160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  UC71840  Lactuca tatarica subsp. pulchella M. H. Manning 1904-9-4 Modoc Alturas Comment
  HSC81135  Lagophylla ramosissima G. M. Riegel 1980-8-6 995 Modoc South Warner Mtns. 1670 Comment
  SEINET11446747 Image available Lagophylla ramosissima R. R. Halse 2010-8-25 8085 Modoc Along State Hwy. 139 ca 25.5 miles northwest of its junction with State Hwy. 299; Modoc National Forest.; 0 1278 Comment
  CAS-BOT-BC49493  Lagophylla ramosissima subsp. ramosissima Francis Dorris Payne 1935-8-23 802 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54068  Lappula redowskii Bruce Bartholomew; Barrett Anderson 1989-6-2 4821 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  RSA160015  Lathyrus nevadensis subsp. lanceolatus Clare B. Hardham 1961-6-19 7862 Modoc Pine Creek 1677 Comment
  RSA101362  Lathyrus pauciflorus subsp. brownii C. A. Weatherby 1955-7-8 1621 Modoc 6 miles north of Ft. Bidwell, northern Warner Mts. 1784 Comment
  RSA74593  Lathyrus rigidus C. L. Hitchcock 1950-5-27 19225 Modoc 20 miles N of Alturas Comment
  CAS-BOT-BC49455  Layia glandulosa C. C. (Mrs.) Bruce 1898-6-1 2172 Modoc Near Alturas. Comment
  JEPS5972  Layia glandulosa Frances D. Payne 1932-6-19 550 Modoc Comment
  RSA233786  Lemna minor Robert F. Thorne 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
  POM228875  Lemna trisulca L. C. Wheeler 1935-10-2 4015 Modoc Alturas, 2 miles south 1357 Comment
  CHSC85096  Lepidium perfoliatum John Dittes; Josephine Guardino 1991-6-1 347 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
  JEPS53731  Lepidium perfoliatum Frances D. Payne 1932-6-8 418 Modoc 6 mi e Alturas (on road to Parker Creek); Warner Mountains Comment
  RSA59543  Lepidium perfoliatum E. K. Balls 1950-5-10 14597 Modoc West shore Middle Lake, near Cedarville. 1402 Comment
  CHSC109896  Leptosiphon harknessii B. Castro; L. P. Janeway 2012-7-26 1969 Modoc Warner Mountains. At Little Lily Lake, 1.5 air mi N of Mt. Vida. 2254 Comment
  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
  RSA101370  Leptosiphon harknessii R. Weatherby 1955-7-8 1612 Modoc Northern Warner Mountains: 7 miles north of Ft. Bidwell 1875 Comment
  SJSU8681  Leptosiphon septentrionalis W. Savage 1979-7-3 1290 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC242086  Leucocrinum montanum Bruce Bartholomew 1991-5-25 5750 Modoc Ca. 6 km NW of Tionesta on road to Lava Beds National Monument. 1310 Comment
  CAS-BOT-BC242084  Leucocrinum montanum Leland S. Smith 1917-5-21 1 Modoc West Valley and Jess Valley. 1524 Comment
  HSC15562  Leucocrinum montanum M. T. Milligan 1966-5-14 607 Modoc Plateau W of Jess Valley 1829 Comment
  UC7805  Lewisia nevadensis M. S. Baker and Frank Nutting 1894-7-20 Modoc Forestdale 1371 Comment
  NY497448  Lewisia pygmaea K. Paulson 1988-6-11 35 Modoc North of Stough Reservoir, Warner Mountains 1676.4 Comment
  CAS-BOT-BC197491  Lewisia rediviva Elmer Ivan Applegate 1932-7-9 7606 Modoc Summit of Bidwell Mountain, Warner Mts. Comment
  UCD64272  Leymus cinereus Hursh 1919-10-30 X 3323 Modoc Alturas. Comment
  CAS-BOT-BC247631  Leymus triticoides Leland S. Smith 1922-7-17 1304 Modoc Alturas and valley. 1310 Comment
  JEPS117690  Leymus triticoides Lowell Ahart, John Dittes 2010-8-31 17120 Modoc West side of Elkins Lane, about 20 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  POM201804  Leymus triticoides Frances D. Payne 782 Modoc Warner Mts. Comment
  UC1037175  Leymus triticoides Leo Whitney 1935-8-18 3537 Modoc Alturas Comment
  UCD86643  Leymus triticoides J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC245037  Lilaea scilloides Louis Cutter Wheeler 1935-9-18 3991 Modoc Householder Reservoir, Devil's Garden. 1524 Comment
  CHSC40543  Lilium pardalinum subsp. pardalinum J. D. Jokerst 1983-6-12 1840 Modoc Small creek that flows through the Upper Rush Cr. Campground ca 100 meters upstream from the camp. Ca 8 miles north of Aden. Comment
  CAS-BOT-BC242071  Lilium pardalinum subsp. shastense Bruce Bartholomew; Barrett Anderson 1988-7-21 4438 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 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
  RSA0011492  Limosella acaulis Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46966 Modoc Ca. 3.4 miles north of Alturas at bridge over North Fork of Pit River 1341 Comment
  UC1101426  Limosella aquatica Herbert L. Mason and Verne Grant 1947-7-12 13418 Modoc s Alturas (Pit River Valley); Pit River Valley Comment
  CAS-BOT-BC198049  Linanthus ciliatus Barrett Anderson 1986-7-10 3189 Modoc West Warner Rd. N of the North Fork of Pine Creek. 1965 Comment
  CAS-BOT-BC198044  Linanthus harknessii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10540 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC198046  Linanthus harknessii M. Vasey 1990-6-30 9037 Modoc 0.2 mi from Junction of Lava Camp Road and road to Egg Lake. 1300 Comment
  UC526130  Linanthus harknessii John Thomas Howell 1934-6-12 12031 Modoc Plum Valley Warner Mts. Comment
  UC52424  Linanthus septentrionalis Milo S. Baker 1893-1 Modoc Forestdale Comment
  CDA6366  Linaria vulgaris T. C. Fuller 1960-7-27 4876 Modoc Lassen Creek, near Sugar Hill Planting. 0 Comment
  CAS-BOT-BC179168  Linum lewisii John Thomas Howell 1934-6-11 11933 Modoc Parker Creek. 1584 Comment
  UC13523  Listera convallarioides Milo S. Baker 1893-7-16 Modoc Comment
  UC1586900  Lithophragma Juha Pykala and D. H. Norris 1987-5-28 1192 Modoc Thoms Creek Modoc National Forest, , Thoms Creek (Cedar Pass Campground) 1783 Comment
  UC585058  Lithophragma glabrum E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1839 Modoc Summit of Cedar Pass; Warner Mts., summit of Cedar Pass 1920 Comment
  CAS-BOT-BC225835  Lithophragma tenellum Bruce Bartholomew 1992-5-15 6304 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC225840  Lithophragma tenellum Bruce Bartholomew 1991-6-20 5792 A Modoc Fox Mountain Spring, ca. 10 km NW of Adin. 1620 Comment
  HSC75893  Lithophragma tenellum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19316 Modoc Soup Springs Campground Comment
  UC748460  Lithospermum californicum Annie M. Alexander and Louise Kellogg 1946-7-11 4968 Modoc slope w Eight Mile Creek; , ne corner of county Comment
  CAS-BOT-BC54027  Lithospermum ruderale Bruce Bartholomew; Barrett Anderson 1989-4-27 4636 Modoc Ryan Canyon, 6.0 km NW of Adin on road to Dutch Flat. 1370 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-BC54037  Lithospermum ruderale Bruce Bartholomew; Barrett Anderson 1988-5-13 4143 Modoc Along Parker Creek Road, 2.7 km W of Modoc National Forest and ca. 16 km WSW of Alturas, W side of the Warner 1490 Comment
  JEPS855  Lithospermum ruderale N. T. Mirov 1929-5-19 Modoc Buck Creek Ranger Station Warner Mountains 1584 Comment
  UC1037250  Lithospermum ruderale Leo Whitney 1934-5-28 1603 Modoc 15 mi nw Canby (Spaudldings Butte near Hackamore); Modoc National Forest 1463 Comment
  RSA59535  Lithospermum ruderale E. K. Balls 1950-5-20 14804 Modoc 1.2 miles below Mill Creek Falls Public Camp, towards Jess Valley Comment
  CAS-BOT-BC21438  Lomatium bicolor var. leptocarpum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6442 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  CAS-BOT-BC21445  Lomatium bicolor var. leptocarpum Margaret J. Williams 1984-6-30 84- 81 -1 Modoc 9.6 mi. from Gerlach-Cedarville road on Parker Creek rd. Comment
  CAS-BOT-BC21454  Lomatium bicolor var. leptocarpum Annie Montague Alexander; L. Kellogg 1946-6-26 4839 Modoc Dismal Swamp. 2255 Comment
  CHSC117802  Lomatium bicolor var. leptocarpum L. P. Janeway 2016-5-16 11970 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC66982  Lomatium bicolor var. leptocarpum James D. Jokerst 1987-5-12 2842 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Center of wedge of section 28. Comment
  UC1540238  Lomatium bicolor var. leptocarpum Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9114 Modoc headwaters of upper South Deep Creek Warner Mountains 2194 Comment
  UC21263  Lomatium bicolor var. leptocarpum Mrs. R. M. Austin and Bruce June 1898 2283 Modoc Fields, Goose Lake Comment
  CAS-BOT-BC21428  Lomatium canbyi Bruce Bartholomew 1993-4-3 6405 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  CAS-BOT-BC30175  Lomatium foeniculaceum subsp. macdougalii Bruce Bartholomew 1995-6-2 6941 Modoc 3.5 km NE of County Road 38 on County Road 37, SE side of Surprize Valley. 1390 Comment
  RSA584730  Lomatium hendersonii Bruce Bartholomew, Gilbert, L. Skog 1993-5-13 6533 Modoc Just W of Mud Lake on road to West Valley Reservoir., 41 12 9N, 120 26 1W 1460 Comment
  SEINET256225  Lomatium leptocarpum Margaret J. Williams 1984-6-30 84- 81 -1 Modoc 9.6 miles from Gerlach-Cedarville road on the Parker Creek road. W side of the Warner Mtns S of Cedar Pass 1829 Comment
  CAS-BOT-BC30149  Lomatium macrocarpum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6439 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  RSA125347  Lomatium nevadense P. H. Raven, Otto T. Solbrig 1958-6-18 13311 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  RSA59537  Lomatium nevadense E. K. Balls 1950-5-20 14803 Modoc 0.75 mile below Mill Creek Falls Public Camp, toward Jess Valley and South Fork Pit River 1677 Comment
  CAS-BOT-BC15753  Lomatium nevadense var. nevadense R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2373 Modoc Goose Lake. Comment
  CAS-BOT-BC15756  Lomatium nevadense var. nevadense Clare Butterworth Hardham 1961-6-18 7590 A Modoc Cedar Pass. 1828 Comment
  CAS-BOT-BC15752  Lomatium nevadense var. nevadense Elmer Ivan Applegate 1937-5-13 11085 Modoc N end of Devils Homestead, Lava Beds National Monument. Comment
  CAS-BOT-BC30150  Lomatium nevadense var. nevadense Elmer Ivan Applegate 1937-5-13 11085 Modoc N end of Devils Homestead, Lava Beds National Monument. Comment
  SEINET203038  Lomatium nevadense var. nevadense Lincoln Constance, Emil DiFulvio 1962-4-16 3749 Modoc Open slope 3.2 miles N of Likely Comment
  HSC28826  Lomatium nevadense var. parishii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19505 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  HSC21525  Lomatium nevadense var. parishii Robert C. Wunner 1965-6-10 141 Modoc Lava Beds N.M., E side of Caldwell Butte above Caldwell minor 1463 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
  UC20792  Lomatium nudicaule Mrs. R. M. Austin and Bruce June 1898 2287 Modoc Goose Lake Valley Comment
  RSA452582  Lomatium nudicaule Christopher Davidson 1973-5-26 2138 Modoc Highway 299 N of Adin Summit 1524 Comment
  RSA518863  Lomatium triternatum Barbara Ertter 1988-6-18 7645 Modoc Adin Summit on Highway 299 N of Adin 1585 Comment
  RSA31756  Lomatium triternatum A. A. Heller 1941-6-26 16215 Modoc 4 miles east of Canby Comment
  SEINET11131219  Lomatium triternatum subsp. triternatum M. J. Williams 1988-5-30 88266 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  UC643303  Lomatium triternatum var. macrocarpum Alice Eastwood and John Thomas Howell 1940-6-12 8087 Modoc Jess Valley Comment
  CAS-BOT-BC21414  Lomatium triternatum var. triternatum Bruce Bartholomew 1990-6-18 5370 Modoc SW side of Goose Lake, 2 km N of McGinty Point. 1420 Comment
  HSC21596  Lomatium triternatum var. triternatum M. T. Milligan 1965-7-1 413 Modoc Plateau W of Jess Valley. 1829 Comment
  SEINET11131400  Lomatium triternatum var. triternatum I. Tidestrom 1910-6-25 3663 Modoc Near Goose Lake, CA Comment
  CAS-BOT-BC21400  Lomatium vaginatum John Thomas Howell 1934-6-11 11941 A Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC21401  Lomatium vaginatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16473 Modoc Roadside 2.4 mi. S of Davis Creek. Comment
  OBI81742  Lomatium vaginatum Tracey Call, Viola Call 1961-5-30 2055 Modoc 16 miles north of Alturas. Comment
  UC1187700  Lomatium vaginatum Tracey and Viola Call 1961-5-30 2052 Modoc Lassen--Modoc Co. Line, near Hwy 395 1676 Comment
  CAS-BOT-BC95170  Lonicera interrupta Fred. P. Cronemiller 1920-7-1 20 Modoc Bieber Range. 1524 Comment
  RSA610632  Lonicera involucrata L. C. Wheeler 1935-8-14 3851 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  CAS-BOT-BC95171  Lonicera involucrata var. involucrata Bruce Bartholomew; Barrett Anderson 1988-6-24 4329 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC181968  Lotus corniculatus Bruce Bartholomew 1992-8-7 6357 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  JEPS123857  Lotus corniculatus Lowell Ahart, John Dittes 2015-7-16 20379 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC15565  Lotus denticulatus M. S. Baker and Frank Nutting 1894-6-8 Modoc near Egg Lake Comment
  CAS-BOT-BC181952  Lotus humistratus D. Isley; I. Isley 1971-7-11 11373 Modoc Intersection of State highways 139 and 299. Comment
  RSA520488  Lotus unifoliolatus Bruce Bartholomew 1989-8-10 5039 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC181928  Lupinus C. P. Smith 1947-6-13 47463 Modoc Highway 395, Pine Creek (town) 0.8 mi. S. Comment
  CAS-BOT-BC498665  Lupinus C. B. Wolf 1931-9-4 2398 Modoc At Canby 1325 Comment
  CAS-BOT-BC181915  Lupinus arbustus Bruce Bartholomew 1990-8-4 5636 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CAS-BOT-BC181905  Lupinus arbustus Leland S. Smith 1924-6-20 1418 Modoc Lavas near Lava Ranger Station. 1310 Comment
  UC201905  Lupinus arbustus Franklin P. Nutting June, 1894 Modoc Big Valley; Lassen and Modoc Co. Comment
  CAS-BOT-BC182185  Lupinus argenteus Verne Grant; I. Schneider 1947-8-27 8321 Modoc SW end of Clear Lake. Comment
  CAS-BOT-BC182198  Lupinus argenteus John Thomas Howell 1934-7-2 12367 Modoc W side of Clear Lake. Comment
  CAS-BOT-BC182220  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  RSA0025580  Lupinus argenteus John F. Emmel 1996-7-15 1430 Modoc Warner Mtns; ridge 1.1-1.5 air mi south and 0.3-0.5 air mi west of Emerson Peak. 2409 Comment
  NY736759  Lupinus argenteus var. argenteus R. J. Weatherby 1955-7-8 1635 Modoc 3 miles north of Fort Bidwell, northern Warner Mountains 1554 Comment
  OBI5674  Lupinus argenteus var. argenteus Carl B. Wolf 1931-9-4 2398 Modoc Canby 1326 Comment
  SBBG3540  Lupinus argenteus var. argenteus H. and M. Dearing 1939-6-7 3575 Modoc E of Adin Comment
  RSA91210  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas, south end of town. 1524 Comment
  CAS-BOT-BC182087  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47455 Modoc Highway 395, Davis Creek (town), 6.4 mi. S. Comment
  CAS-BOT-BC182090  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47456 Modoc Highway 395, Davis Creek (town), 6.4 mi. S. Comment
  CAS-BOT-BC182093  Lupinus argenteus var. heteranthus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16461 Modoc 3 mi. W of Summit of Fandango Pass. Comment
  CHSC107346  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2011-6-22 17555 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  JEPS65013  Lupinus argenteus var. heteranthus W. L. Jepson 1918-8-7 7856 Modoc Mt. Bidwell 2072 Comment
  UCR101906  Lupinus argenteus var. palmeri G. R. Ballmer 1988-7-20 s.n. Modoc Warner Mountains, Horse Ridge, near NW corner of the South Warner Wilderness Game Refuge, SW of Cedarville 2134 Comment
  UCR102424  Lupinus argenteus var. palmeri G. R. Ballmer 1988-7-20 s.n. Modoc Warner Mountains, Horse Ridge, near NW corner of the South Warner Wilderness Game Refuge, SW of Cedarville 2134 Comment
  CAS-BOT-BC181891  Lupinus brevicaulis Bruce Bartholomew 1991-6-22 5843 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  HSC71461  Lupinus caudatus J. P. Smith, J. O. Sawyer 1973-8-8 7237 Modoc S slopes of Eagle Peak 2561 Comment
  RSA520379  Lupinus latifolius subsp. latifolius Bruce Bartholomew, B. Anderson 1989-6-1 4753 Modoc Ca. 0.5 km west of Davis Creek on road to south end of Goose Lake. 1460 Comment
  RSA296825  Lupinus laxiflorus W. L. Jepson 1918-8-6 7841 Modoc Surprise Valley. 1448 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
  JEPS48839  Lupinus lepidus var. sellulus Leland S. Smith 1924-6-9 1371 Modoc Egg Lake Ranch Modoc Forest; , Egg Lake Ranch 1310 Comment
  UC15912  Lupinus leucophyllus Milo S. Baker 1893-6-20 Modoc Comment
  NY747429  Lupinus microcarpus A. Tiehm 1984-6-30 8833 Modoc North edge of Lake Annie on the west side of Bidwell Mountain, northeast of Ft. Bidwell 1530 Comment
  SJSU9583  Lupinus microcarpus var. microcarpus W. Savage 1979-7-4 1343 Modoc Triangel, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC181827  Lupinus polyphyllus var. burkei L. A. M. Black 1894-8-1 69 Modoc Davis Creek. Comment
  NY747511  Lupinus polyphyllus var. burkei R. M. Austin 07 2142 Modoc Fields Comment
  CAS-BOT-BC181810  Lupinus saxosus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6530 Modoc Just W of Forest Service on Parker Creek Road between Alturas and Pepperdine. 1520 Comment
  SBBG3706  Lupinus saxosus H. and M. Dearing 1936-6-9 3631 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  JEPS67161  Luzula comosa var. laxa M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  SJSU9662  Lycium barbarum W. Savage 1979-7-9 1505 Modoc by ranch house, Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  HSC15934  Lythrum hyssopifolia M. T. Milligan 1964-8-21 235 Modoc S end of Dorris Reservoir Dam 1372 Comment
  CHSC112827  Lythrum tribracteatum Lowell Ahart; John Dittes 2013-7-24 18914 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
  RSA0016028  Lythrum tribracteatum H. L. Mason, Verne Grant 1947-7-10 13324 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CAS-BOT-BC49426  Madia citriodora John Thomas Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mountains 1584 Comment
  UC579782  Madia citriodora David D. Keck and J. Clausen 1935-6-24 3714 Modoc 3 mi ne Willow Ranch (e of Goose Lake); e of Goose Lake 1554 Comment
  CAS-BOT-BC342651  Madia citriodora David D. Keck; J. Clausen 1935-6-24 3714 Modoc 3 mi. northeast of Willow Ranch, east of Goose Lake 1550 Comment
  CAS-BOT-BC49432  Madia elegans Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16526 Modoc 4.6 mi. N of Adin. Comment
  CAS-BOT-BC49436  Madia exigua John Thomas Howell 1934-7-1 12325 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  CAS-BOT-BC49444  Madia glomerata John Thomas Howell 1934-7-3 12375 Modoc 5 mi. S of Hackamore. 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
  SJSU9604  Madia glomerata W. Savage 1979-7-5 1372 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC49415  Madia gracilis Annie Montague Alexander; L. Kellogg 1946-7-10 4956 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  CAS-BOT-BC49422  Madia gracilis David Daniels Keck; Jens Chr. Clausen 1935-6-24 3723 Modoc 1.5 mi. N of Davis Creek. 1524 Comment
  UC33203  Madia gracilis Mrs. R. M. Austin August 1894 Modoc Goose Lake Valley Comment
  POM204105  Madia gracilis subsp. gracilis J. T. Howell 1934-6-12 12025 Modoc Warner Mountains: Plum Valley Comment
  CAS-BOT-BC242035  Maianthemum racemosum Bruce Bartholomew 1991-6-21 5806 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  HSC1963  Maianthemum stellatum M. T. Milligan 1966-7-1 515 Modoc N end of Jess Valley. 1616 Comment
  HSC15983  Malva neglecta M. T. Milligan 1965-7-11 446 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC30189  Marsilea oligospora D. Toren; Barbara Trowbridge 1975-6-21 5313 Modoc In Boles Creek, between Crowder Flat and Clear Lake. 975 Comment
  POM228963  Marsilea oligospora L. C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil s Garden. 1524 Comment
  RSA639342  Marsilea oligospora L. C. Wheeler 1935-9-12 3975 Modoc Fletcher Creek at Pease Place, Devil s Garden. 1524 Comment
  POM204119  Marsilea vestita J. T. Howell 1934-6-15 12194 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  POM312946  Marsilea vestita H. L. Mason, Verne Grant 1947-7-10 13350 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  POM229956  Marsilea vestita L. C. Wheeler 1935-8-18 3897 Modoc 2 miles northeast of Alturas 1357 Comment
  JEPS126541  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 Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  UCD37472  Melica fugax Beecher Crampton 1960-6-17 5695 Modoc Modoc County, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station, McKay Flat. 1280 Comment
  UC593540  Melica stricta E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1826 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon 1524 Comment
  UCD88622  Melica subulata August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  HSC15856  Mentzelia congesta M. T. Milligan 1964-6-20 63 Modoc 3 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  CAS-BOT-BC179138  Mentzelia dispersa Bruce Bartholomew 1991-7-4 5923 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 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
  SEINET3155006  Mentzelia dispersa L. S. Rose 1940-6-13 40584 Modoc Surprise, NE of Alturas 1372 Comment
  UC748410  Mentzelia dispersa Annie M. Alexander and Louise Kellogg 1946-6-10 4714 Modoc Lava bench between Lower and Snake Lakes Comment
  UC872460  Mentzelia dispersa C. L. Hitchcock 1940-5-27 6690 Modoc 15 mi ne Alturas 1615 Comment
  UCSB27390  Mentzelia dispersa Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls near Clear Lake, east of Likely, Warner Mtns. Comment
  CAS-BOT-BC179128  Mentzelia laevicaulis Bruce Bartholomew; Barrett Anderson 1990-7-21 5557 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  UC711841  Mentzelia laevicaulis var. laevicaulis Roxana S. Ferris and Laura Lorraine 1941-8-14 10608 Modoc on road between Fort Bidwell and Pine Creek (East slope of Fandangao Pass near base of pass.); Warner Mountains Comment
  CAS-BOT-BC179115  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5857 Modoc NE side of Surprise Valley on road to Fee Reservoir, 6.4 km E of Fort Bidwell. 1490 Comment
  CAS-BOT-BC54048  Mertensia longiflora Leland S. Smith 1919-5-1 1083 Modoc Henderson Meadow Allotment. 1828 Comment
  POM72712  Mertensia oblongifolia Mrs. R. M. Austin 1895-07 511 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC54013  Mertensia oblongifolia var. amoena Betty J. Hammerly 1941-6-20 30 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC54016  Mertensia oblongifolia var. nevadensis Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass. Comment
  JEPS90178  Mertensia oblongifolia var. nevadensis Dean W. Taylor 1992-5-8 12560 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 Comment
  CAS-BOT-BC54025  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6300 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC58776  Mertensia oblongifolia var. oblongifolia Elmer Ivan Applegate 1932-8-7 8246 Modoc Lily Lake. Comment
  CAS-BOT-BC225954  Micranthes nidifica Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6434 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CAS-BOT-BC225959  Micranthes nidifica E. S. Willits 1940-5-16 254 Modoc Willow Ranch. 1371 Comment
  CAS-BOT-BC225960  Micranthes nidifica Mrs. H. C. Cantelow 1941-5-23 3533 Modoc E of Adin Pass Summit between Adin Canby, Hwy 299. 1576 Comment
  CAS-BOT-BC225963  Micranthes nidifica Bruce Bartholomew; Barrett Anderson 1989-6-2 4776 Modoc Buck Creek, 1 cm NE of Fandango Pass Road, W side of the Warner Mountains. 1660 Comment
  CAS-BOT-BC95555  Micromonolepis pusilla Bruce Bartholomew; Barrett Anderson 1989-6-2 4813 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC49399  Microseris nutans Annie Montague Alexander; L. Kellogg 1946-6-14 4750 Modoc Meadow, branch to Silver Creek, Patterson Mill Road. 1828 Comment
  HSC81137  Microseris nutans G. M. Riegel 1979-7-2 462 Modoc South Warner Mtns. 2100 Comment
  POM203847  Microseris nutans J. T. Howell 1934-6-13 12051 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  CAS-BOT-BC197905  Microsteris gracilis Bruce Bartholomew 1990-6-15 5242 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC197915  Microsteris gracilis Belknap C. Goldsmith 1912-5-8 49 Modoc 8 mi. NW of Alturas. 1493 Comment
  CHSC85099  Microsteris gracilis John Dittes; Josephine Guardino 1991-6-1 377 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
  HSC80883  Microsteris gracilis G. M. Riegel 1980-7-28 954 Modoc S Warner Mtns. 2100 Comment
  HSC17123  Microsteris gracilis M. T. Milligan 1966-5-14 612 Modoc Plateau W of Jess Valley 1829 Comment
  POM204118  Microsteris gracilis subsp. gracilis J. T. Howell 1934-6-14 12133 Modoc Near Lost Lake, Warner Mts. 2439 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
  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
  UC1540231  Mimulus breviflorus Dean Wm. Taylor, Glenn L. Clifton 1987-6-24 9055 Modoc along inlet stream at extreme se portion of lakebed Egg Lake 1280 Comment
  JEPS3164  Mimulus breviflorus Frances Payne 1935-7-19 785 Modoc about 12 air mi due e Alturas (at confluence of Dry and Parker Creeks); Warner Mountains Comment
  JEPS3552  Mimulus cusickii G. Dallas Hanna 1952-9-20 Modoc Conklin Canyon Warner Mountains Comment
  JEPS86967  Mimulus cusickii David M. Thompson 1988-7-23 975 Modoc 3.7 mi s Hwy 299 at Cedarville (along Surprise Valley Road, then 1.5 mi w along Granger Canyon Road); Warner Mts. 1500 Comment
  JEPS11547  Mimulus guttatus W. L. Jepson 1918-8-12 7955 Modoc Jess Valley 1584 Comment
  RSA210887  Mimulus guttatus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39094 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC26980  Mimulus guttatus Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC445221  Mimulus guttatus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains 2225 Comment
  UC1523788  Mimulus nanus var. jepsonii Gregg Riegel 1981-7-13 1151 Modoc near Day 1524 Comment
  JEPS86915  Mimulus nanus var. nanus David M. Thompson 1988-6-2 925 Modoc ca. 6.8 mi nw Canby (0.1 mi se of turnoff for Howard's Gulch Campground along Hwy 139) 1500 Comment
  RSA535448  Mimulus nanus var. nanus David M. Thompson 1988-6-2 926 Modoc 8.5 airmiles NNE of Adin. 0.2 mi W of campground loop road of Upper Rush Creek Campground; ca. 2 mi E of Hwy 139-299. 1600 Comment
  POM43834  Mimulus nanus var. nanus R. M. Austin 515 Modoc Alturas. Comment
  JEPS86680  Mimulus pulsiferae L. R. Heckard with T. I. Chuang 1990-7-14 6761 Modoc 0.7 mi e Soldier Creek Rd. (along Old Common Mill Rd., ca. 2 mi n of Cedar Pass) 2075 Comment
  JEPS86895  Mimulus pygmaeus David M. Thompson 1988-6-3 927 Modoc betweeen Kramer reservoir and White Horse-Lookout road (2.3 rd mi w of railroad crossing, s end of lake); Egg Lake 1300 Comment
  LA106623  Mimulus pygmaeus David M. Thompson; 1988-6-3 927 Modoc Egg Lake; S end; between Kramer Reservoir and White Horse-Lookout road along interittent stream; 2.3 rd mi. W of railroad crossing 1300.0 Comment
  SEINET3367733 Image available Mimulus rubellus Annie M. Alexander, Louise Kellogg 1946-7-24 5078 Modoc Bear Camp Flat, Warner Mountains. 2286 Comment
  POM260886  Mimulus suksdorfii Alice Eastwood, John T. Howell 1940-6-15 8276 Modoc Near Perez Comment
  UC26856  Mimulus tricolor M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  UC748054  Minuartia nuttallii subsp. gregaria Annie M. Alexander and Louise Kellogg 1946-7-30 5093 Modoc Eagle Peak Warner Mountains (e slope near summit) Comment
  JEPS120494  Minuartia nuttallii var. gracilis L. P. Janeway, B. Castro 2012-7-26 11008 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). Comment
  RSA0036438  Monardella odoratissima subsp. glauca B. Castro, L. P. Janeway 2012-7-24 1947 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.6 air mi west of Lily Lake and 0.9 air mi northwest of Yellow Mountain. 1948 Comment
  UC634866  Monardella odoratissima subsp. glauca F. H. Frost 1925-7-25 162 Modoc Eagle Peak Warner Mts. Comment
  CAS-BOT-BC179857  Monardella odoratissima subsp. glauca Leland S. Smith 1918-8-18 1046 Modoc Ridge above Emerson. Eagle and Bear. 2438 Comment
  CAS-BOT-BC179358  Monardella odoratissima subsp. pallida Belknap C. Goldsmith 1912-7-1 58 Modoc Little Hot Spring Valley. 1219 Comment
  CAS-BOT-BC179362  Monardella odoratissima subsp. pallida Leland S. Smith 1924-6-8 1387 Modoc Lavas W of Lava Ranger Station and Egg Lake. 1310 Comment
  CAS-BOT-BC220237  Monardella sheltonii M. S. Baker 1893-1-1 s.n. Modoc N.E. Egg Lake Comment
  UC7432  Monolepis nuttalliana Mrs. R. M. Austin June, 1894 Modoc Willow Creek Valley Comment
  JEPS59835  Monolepis nuttalliana Frances D. Payne 1932-7-10 696 Modoc s. and e. of Alturas; Warner Mts., Parker Creek 1584 Comment
  JEPS17208  Montia chamissoi Frances D. Payne 1932-6-27 616 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  SEINET5336613  Montia chamissoi M. J. Williams 1984-6-30 84- 79 -1 Modoc 5.7 mi W of Alturas on Granger Canyon road. 1859 Comment
  UC412633  Montia linearis Franklin P. Nutting 1894-6-8 Modoc near Egg Lake; Northern California Comment
  CAS-BOT-BC247559  Muhlenbergia richardsonis Louis Cutter Wheeler 1935-8-21 3901 Modoc Pine Spring, Devil's Garden. 1524 Comment
  CAS-BOT-BC247563  Muhlenbergia richardsonis Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake. 1310 Comment
  UC1254975  Muhlenbergia richardsonis Alice Eastwood and John Thomas Howell 1940-6-14 8205 Modoc near Kelley Hot Springs Comment
  UCD86891  Muhlenbergia richardsonis A. A. Beetle 1941-6-29 2836 Modoc Near summit of Mt. Adin. 1828 Comment
  POM313204  Muhlenbergia richardsonis H. L. Mason 1947-8-8 13467 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas Comment
  SEINET10893798  Muhlenbergia richardsonis Louis C. Wheeler 1935-8-21 Wheeler 3901 Modoc Adobe between rocks in bed of seasonal stream, Pine Spring, Devil's Garden. T45N R12E S5. 1524 Comment
  UC60731  Muhlenbergia richardsonis M. S. Baker and Frank Nutting 1894-1 Modoc 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
  UC1738099  Myosurus minimus D. E. Stone 1957-6-3 66 Modoc 1 mi N of Canby (On road from Canby to Klamath Falls) Comment
  SEINET934247  Myriophyllum sibiricum Verne Grant, Herbert L. Mason 1947-1 13385 Modoc Irrigation ditch by Jones Lane, off Highway 395, several miles south of Alturas. Comment
  SJSU9375  Myriophyllum sibiricum W. Savage 1979-8-22 1581 Modoc near remains of Triangle Ranch cabin, Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD116067  Nasturtium officinale Verne Grant; Irving Schneider 1947-7-22 8154 Modoc Headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  CAS-BOT-BC198012  Navarretia breweri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16518 Modoc Mesa 11 mi. W of Canby along Highway 139. Comment
  CAS-BOT-BC198021  Navarretia breweri Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2146 Modoc W slope of Cedar Pass. Comment
  SEINET14055730  Navarretia capillaris M. J. Williams 1984-6-30 84- 81 -5 Modoc 9.6 mi from Gerlach-Cedarville road on the Parker Creek road, W side of the Warner Mtns., S of Cedar pass 1829 Comment
  CAS-BOT-BC198002  Navarretia divaricata subsp. vividior Alice Eastwood; John Thomas Howell 1940-6-13 8136 Modoc W side of Fandango Pass. Comment
  CHSC116104  Navarretia intertexta subsp. intertexta Lowell Ahart; John Dittes 2015-7-16 20380 Modoc North edge of Ash Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA165590A  Navarretia intertexta subsp. propinqua Clare B. Hardham 1961-6-19 7840 Modoc Willow Creek. Warner Mountains. Comment
  UC1106905  Navarretia intertexta subsp. propinqua Herbert L. Mason 1947-7-10 13331 Modoc 2 air mi e Alturas; Dorris Reservoir Comment
  UC1178896  Navarretia intertexta subsp. propinqua Herbert L. Mason 1947-7-8 13315 Modoc Cedar Pass, summit of Warner Range Warner Range 1920 Comment
  UC133669  Navarretia intertexta subsp. propinqua Milo S. Baker 1899-8-24 Modoc Forestdale Comment
  RSA518659  Navarretia leucocephala subsp. leucocephala L. R. Heckard, R. C. Bacigalupi 1980-6-10 5221 Modoc Southwest margin of Egg Lake (now dry). Comment
  CAS-BOT-BC197968  Navarretia leucocephala subsp. minima Alice Eastwood; John Thomas Howell 1940-6-14 8230 Modoc 8 mi. NW of Canby. Comment
  RSA83301  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8013 Modoc At west end of Fandango Valley, road from Goose Lake to Fort Bidwell Comment
  UC23423  Navarretia sinistra Milo S. Baker 1893-7-8 Modoc Comment
  CHSC111104  Navarretia tagetina Lowell Ahart; John Dittes 2012-7-12 18370 Modoc North edge of Ash Creek, south of the gravil pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-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
  UC748433  Nemophila breviflora Annie M. Alexander and Louise Kellogg 1946-6-15 4775 Modoc Deep Creek 2133 Comment
  CAS-BOT-BC179301  Nemophila parviflora var. austiniae Annie Montague Alexander; L. Kellogg 1946-6-14 4745 Modoc Barber Creek, Patterson Mill Road. 1798 Comment
  POM324048  Nemophila parviflora var. austiniae R. R. Halse 1976-6-13 1399 Modoc Modoc National Forest, Upper Rush Creek Campground. 1585 Comment
  RSA27232  Nemophila parviflora var. austiniae C. L. Hitchcock 1940-5-27 6662 Modoc 12 miles NE of Alturas. 1616 Comment
  UC1021934  Nemophila parviflora var. austiniae Rolf Y. Berg 1955-6-22 Modoc Cedar Pass Campground Modoc National Forest, Cedar Pass Campground Comment
  CAS-BOT-BC179290  Nemophila pedunculata Roxana Stinchfield Ferris; R. Duthie 1919-6-13 40 Modoc By Parker Creek. Comment
  UC748447  Nemophila pedunculata Annie M. Alexander and Louise Kellogg 1946-6-5 4665 a Modoc s Eagleville (Emerson Camp, Emerson Creek); Warner Mountains, Emerson Creek, s of Eagleville 2133 Comment
  UC880935  Nemophila pedunculata C. L. Hitchcock 1940-5-27 6684 Modoc 15 mi ne Alturas; ne of Alturas 1615 Comment
  JEPS31546  Neoholmgrenia andina Milo S. Baker 1894-6-29 Modoc Big Valley Comment
  UC86616  Nestotus stenophyllus Mrs. R. M. Austin May, 1894 31 Modoc Goose Lake Valley Comment
  CAS-BOT-BC245375  Nicotiana attenuata Belknap C. Goldsmith 1912-8-8 77 Modoc S end of Goose Lake. 1463 Comment
  CHSC100433  Nicotiana attenuata Lowell Ahart; John Dittes 2008-8-25 15319 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CHSC112842  Nicotiana attenuata Lowell Ahart; John Dittes 2013-7-25 18970 Modoc Elkins Lane Parking Area, west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC191142  Nuphar lutea subsp. polysepala Louis Cutter Wheeler 1935-8-14 3846 Modoc Lily Lake, Warner Mts. 2072 Comment
  UC635507  Nuphar lutea subsp. polysepala F. H. Frost 1925-7-24 146 Modoc Warner Mountains, Jess Valley Jess Valley; Warner Mountains, Jess Valley Comment
  RSA0013785  Nuphar lutea subsp. polysepala L. C. Wheeler 1935-8-14 3846 Modoc Lily Lake, Pine Creek, Warner Mts. 2073 Comment
  CAS-BOT-BC190808  Oenothera elata subsp. hirsutissima Mrs. M. H. Manning 1904-7-1 209 Modoc Fort Bidwell. Comment
  UC635387  Oenothera elata subsp. hirsutissima F. H. Frost 1925-7-24 111 Modoc Jess Valley Warner Mountains 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
  NY998815  Oenothera flava A. A. Heller 1941-6-26 16210 Modoc Five miles west of Alturas along U.S. Highway #299 Comment
  UC20558  Oenothera flava subsp. flava Mrs. C. C. Bruce June 1898 Modoc streets Alturas Comment
  CAS-BOT-BC245091  Olsynium douglasii var. douglasii Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6430 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  JEPS64298  Olsynium douglasii var. douglasii B. M. Payne 1930-4-19 344 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS64299  Olsynium douglasii var. douglasii B. M. Payne 1930-4-19 345 Modoc s and e Alturas; Warner Mountains, Parker Creek 1828 Comment
  UCD134667  Onopordum acanthium T. C. Fuller 1959-7-8 B Modoc south side of 4th Street, east of East Street, Alturas. Comment
  RSA600322  Orobanche comosa Louis C. Wheeler 1935-8-28 3927 Modoc Modoc Plateau: 1.5 mi. south of Lakeshore Reservoir, Devil's Garden. 1524 Comment
Read comments Jan 9 2013
  CAS-BOT-BC190791  Orobanche fasciculata Bruce Bartholomew 1990-6-18 5377 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  CHSC67570  Orobanche fasciculata James D. Jokerst 1983-5-31 1811 Modoc Near Hwy. 395 S of Alturas at the base of the upper ramparts of the butte just S of Signal Butte. 1341 Comment
  RSA0070489  Orobanche uniflora subsp. occidentalis E. K. Balls 1950-5-12 14649 Modoc Hillsides north of Bucks Creek Ranger Station, Modoc National Forest; E of Goose Lake. 1737 Comment
  HSC80762  Orthilia secunda G. M. Riegel 1980-8-12 1039 Modoc S Warner Mtns. 1670 Comment
  UC105960  Orthilia secunda Mrs. R. M. Austin 1894-1 146 Modoc Lassen Creek Comment
  RSA165574  Orthocarpus attenuatus Clare B. Hardham 1961-6-18 7804 Modoc Lava flows, north fork Pitt R. 3.3 miles SW Cedar Pass Rd. 1372 Comment
  CAS-BOT-BC232322  Orthocarpus cuspidatus subsp. copelandii Francis Dorris Payne 1932-6-26 614 Modoc Parker Creek. 1584 Comment
  RSA44249B  Orthocarpus hispidus R. M. Austin 1895-07 537 Modoc Goose Lake Valley. Comment
  RSA504599  Orthocarpus hispidus Bruce Bartholomew, B. Anderson 1988-6-23 4282 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  RSA185398  Orthocarpus lithospermoides Clare B. Hardham 1961-6-18 7541 Modoc 3 miles SE of Cedar Pass. 1829 Comment
  CAS-BOT-BC15735  Osmorhiza chilensis John Thomas Howell 1934-6-11 11970 Modoc Parker Creek. 1584 Comment
  OBI81415  Osmorhiza obtusa L. Constance 1946-7-4 3104 Modoc Shaded creek-side, Deep Creek 3.4 miles below summit, Warner Mountains 1829 Comment
  CAS-BOT-BC15748  Osmorhiza occidentalis C. C. (Mrs.) Bruce 1894-7-1 66 Modoc Lake City Canyon. Comment
  CHSC100838  Oxyria digyna L. P. Janeway 2008-8-17 9568 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2400 Comment
  UC190618  Oxyria digyna M. F. Gilman 511 Modoc Mt. Lake 2133 Comment
  CAS-BOT-BC50348  Packera cana Leland S. Smith 1917-7-2 61 Modoc Shields Creek. 2316 Comment
  HSC67898  Packera cana J. P. Smith, J. O. Sawyer 1973-8-8 7240 Modoc S slopes of Eagle Peak 2561 Comment
  JEPS37603  Packera cana L. S. Smith 1918-7-7 975 Modoc Jess Valley Modoc National Forest 1524 Comment
  JEPS5947  Packera cana Frances D. Payne 1931-6-11 151 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC50313  Packera eurycephala var. eurycephala Alice Eastwood; John Thomas Howell 1940-6-12 8050 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC50316  Packera eurycephala var. eurycephala Francis Dorris Payne 1932-6-22 581 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC50325  Packera eurycephala var. eurycephala Gordon H. True 1964-6-3 1459 Modoc North fork Pit River between Alturas and Goose Lake. 1463 Comment
  UC1234584  Packera eurycephala var. eurycephala Peter H. Raven 1962-5-29 17892 Modoc 6 mi e Alturas 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-BC248355  Paeonia brownii B. Bartholomew; H. Sun 2002-6-24 8838 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  UC1004188  Paeonia brownii W. A. Weber 1953-5-14 8372 Modoc 10 mi e Likely (w end of valley); Jess Valley 1432 Comment
  POM99653  Paeonia brownii R. M. Austin 1895-06 219 Modoc Goose Lake Valley. Comment
  RSA602592  Panicum capillare L. C. Wheeler 1935-9-13 3984 Modoc Devil's Garden; Fletcher Creek at Pease Place 1524 Comment
  CAS-BOT-BC247556  Pascopyrum smithii James D. Jokerst 1983-7-27 1901 Modoc Near Signal Butte. 1340 Comment
  UC18066  Paxistima myrsinites Milo S. Baker 1893-6 Modoc Forestdale Comment
  CAS-BOT-BC498684  Pectocarya penicillata F. D. Douthitt 1916-5-17 28 Modoc Modoc Forest: Flornoy Swale 1828 Comment
  CAS-BOT-BC232311  Pedicularis attollens Roxana Stinchfield Ferris; R. Duthie 1919-6-14 146 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC232301  Pedicularis groenlandica subsp. surrecta Francis Dorris Payne 1929-7-7 66 Modoc Pine Creek Basin, Warner Mountains 2316 Comment
  UC748174  Pedicularis semibarbata Annie M. Alexander and Louise Kellogg 1946-7-17 5006 Modoc Benton Meadow; Warner Mountains 2072 Comment
  UCSC002899  Pellaea brachyptera W. Doyle 1975-6-21 s.n. Modoc Rock outcrop above mine, east exposure Bidwell Creek Rd. Comment
  HSC80876  Pellaea breweri G. M. Riegel 1980-7-31 928 Modoc S Warner Mtns. 1829 Comment
  RSA11917  Penstemon davidsonii subsp. davidsonii Elmer I. Applegate 1932-7-9 7618 Modoc Bidwell Mountain, Warner Mountains. Comment
  RSA185402  Penstemon davidsonii subsp. davidsonii Clare B. Hardham 1961-6-19 7886 Modoc Road from Mount Bidwell to Dismal Creek. 2439 Comment
  CAS-BOT-BC265312  Penstemon davidsonii var. davidsonii Frances Payne 1929-7-12 82 Modoc Camp 1, Lost Lake, Warner Mountains 2286 Comment
  UC1594766  Penstemon davidsonii var. davidsonii David Charlet 1988-8-12 153 Modoc Warner Peak South Warner Mountains 2956 Comment
  HSC26598  Penstemon deustus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19373 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  JEPS123496  Penstemon deustus Wilson Collison, Jaileen Merced 2015-7-25 CA 320 -140 Modoc To Road 54 SW from Alturas town, take dirt road on the left before Canyon (4783). Keep straight 4 mi up to dry pit. Comment
  RSA165591  Penstemon deustus subsp. heterander Clare B. Hardham 1961-6-19 7850 Modoc Davis Creek. Comment
  NY600735  Penstemon gracilentus B. M. Bartholomew 1988-7-21 4472 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains Comment
  HSC12276  Penstemon gracilentus R. W. Spjut 1970-7-22 889 Modoc N Warner Mtns., 10 mi. from Lake City, road to Plum Valley Campground 2195 Comment
  CHSC12956  Penstemon heterodoxus var. shastensis K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5820 Modoc W side of Egg Lake. 1295 Comment
  UC27424  Penstemon heterodoxus var. shastensis Milo S. Baker 1893-6 Modoc Forestdale Comment
  CAS-BOT-BC245525  Penstemon humilis var. humilis C. C. (Mrs.) Bruce 1899-8-1 2362 Modoc Mt. Bidwell. Comment
  CAS-BOT-BC245518  Penstemon janishiae J. Vale; K. Wagnon; W. Kngith; Irja Knight 1981-5-21 4119 Modoc Crowder Flat Road, half way between Hwy 299 and Devils Garden. 1371 Comment
  NY604219  Penstemon janishiae N. H. Holmgren 1978-6-8 8883 Modoc Crowder Flat road, 0.5 km (0.3 mile) from junction with California Highway 299 which is 5.6 km (3.5 miles) west of U.S. Highway 395 (Alturas) 1340 Comment
  SEINET10444506  Penstemon janishiae K. Paulson, R. Paulson 1988-1 21 Modoc Barnes Grade, Crowder Flat Road to Devil's Garden. 1433 Comment
  CAS-BOT-BC232505  Penstemon roezlii M. M. Hanna 1956-6-7 s.n. Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC232515  Penstemon roezlii John Thomas Howell 1934-6-30 12269 Modoc Duncan Horse Camp. 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
  NY650112  Penstemon roezlii F. W. Pennell 1940-6-7 25278 Modoc Route 299, 4 miles northeast of Adin 1341.1 Comment
  SEINET198530  Penstemon roezlii F. W. Pennell 1940-6-7 25728 Modoc Route 299 4 mi NE of Adin 1341 Comment
  SEINET211449  Penstemon roezlii J. L. Reveal 1971-6-22 2459 Modoc Along US Hwy 395 at Davis Creek 1454 Comment
  SFV17481  Penstemon roezlii P. Wilson 1998-7-20 3539 Modoc About 1 mile north of Cedar Pass off Highway 299. 1900 Comment
  UC1540239  Penstemon roezlii Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9109 Modoc headwaters of upper South Deep Creek Warner Mountains, upper South Deep Creek 2194 Comment
  NY650097  Penstemon roezlii M. J. Williams 1988-5-30 8826- 7 Modoc Jess Valley, east of Likely, south of southeast rest 1524.0 Comment
  SEINET201573  Penstemon roezlii A. Cronquist, AH Holmgren 1959-6-20 8529 Modoc E slope of Warner Mtns near Fandango Pass 1829 Comment
  UC190613  Penstemon roezlii M. F. Gilman 672 Modoc Warner Mts. 1828 Comment
  OBI26238  Penstemon rostriflorus William Baker 1973-7-6 s.n. Modoc 3/4 mi above Barney Lake Comment
  CAS-BOT-BC245485  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  CAS-BOT-BC245498  Penstemon rydbergii var. oreocharis Alice Eastwood; John Thomas Howell 1940-6-12 8065 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC245508  Penstemon rydbergii var. oreocharis Bruce Bartholomew 1991-6-23 5874 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  JEPS11467  Penstemon rydbergii var. oreocharis L. S. Smith 1920-7-13 1182 Modoc Crowder Flat Ranger Station Comment
  UC748179  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-14 4749 Modoc Silver Creek branch of Patterson Mill road 1828 Comment
  UC887204  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc along sedgey bank of stream 15 mi n Alturas; n of Alturas 1402 Comment
  CAS-BOT-BC245543  Penstemon speciosus C. L. Hitchcock 1940-5-27 6666 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC245551  Penstemon speciosus Roxana Stinchfield Ferris; R. Duthie 1919-6-20 182 Modoc Above Parker Creek, Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC245565  Penstemon speciosus Alice Eastwood; John Thomas Howell 1940-6-12 8094 Modoc Jess Valley. 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
  JEPS86112  Penstemon speciosus Wayne Roderick 1966-7-23 Modoc on w side of Cedar Pass Warner Mtns, on w side of Cedar Pass 1524 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-BC214728  Peraphyllum ramosissimum Mrs. H. C. Cantelow 1940-5-3 s.n. Modoc 3 mi. E of Canby. Comment
  UC726024  Peraphyllum ramosissimum A. A. Heller 1938-6-24 15228 Modoc about midway between Canby and Alturas Comment
  UC572966  Perideridia bolanderi subsp. bolanderi Louis C. Wheeler 1935-8-16 3881 Modoc Dismal Swamp Warner Mts., Twenty Mile Creek 2225 Comment
  SEINET11142109  Perideridia bolanderi subsp. bolanderi M. J. Williams 1984-7-1 84- 86 -1 Modoc Crowder Flat Road, 3.1 miles N of Hwy 299. 1341 Comment
  CAS-BOT-BC15712  Perideridia oregana Isabelo T. Kelly 1930-1-1 18 Modoc Near Davis Creek. Comment
  CAS-BOT-BC15716  Perideridia oregana Alice Eastwood; John Thomas Howell 1940-6-15 8295 Modoc 9 mi. N of Lookout. Comment
  CDA13452  Perideridia oregana G. F. Hrusa, T. D. Wilfred 1996-7-21 13299 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  CAS-BOT-BC95157  Peritoma platycarpa C. C. (Mrs.) Bruce 1898-6-1 2180 Modoc Likely. Comment
  CHSC71886  Persicaria lapathifolia Vernon H. Oswald; Lowell Ahart 1998-9-8 9600 Modoc Mosquito Lake on the north side of Whitehorse Flat Reservoir ca. 20 air mi north of McArthur. Common in drying soil on the receding margin of the lake. 1341 Comment
  JEPS127289  Persicaria lapathifolia Lowell Ahart, John Dittes 2016-7-14 21189 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  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
  CDA40422  Phacelia hastata J. T. Howell 1934-6-16 12217 Modoc Two miles northeast of Canby. 0 Comment
  JEPS81022  Phacelia hastata subsp. compacta J. P. Smith and J. O. Sawyer 1973-8-8 7239 Modoc s slopes of peak Eagle Peak 2560 Comment
  CAS-BOT-BC179258  Phacelia hastata subsp. hastata Barrett Anderson 1986-7-9 3153 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  CAS-BOT-BC179262  Phacelia hastata subsp. hastata K. Paulson; Robert Paulson 1988-6-29 61 Modoc N.E. Joseph Creek Basin, Warner Mts.. 1676 Comment
  CAS-BOT-BC180004  Phacelia heterophylla subsp. virgata Clare Butterworth Hardham 1971-6-19 7851 Modoc Davis Creek. Comment
  CAS-BOT-BC180006  Phacelia heterophylla subsp. virgata Annie Montague Alexander; L. Kellogg 1946-6-28 4862 Modoc Pine Creek Canyon. 1615 Comment
  CAS-BOT-BC180014  Phacelia heterophylla subsp. virgata Gordon H. True 1964-6-3 1446 Modoc Surprise Valley, ca. 10 Mi. N of Cedarville. 1463 Comment
  CAS-BOT-BC180016  Phacelia heterophylla subsp. virgata Lawrence Ray Heckard 1952-6-19 311 Modoc Slope above Cedar Pass. 2011 Comment
  CAS-BOT-BC180019  Phacelia heterophylla subsp. virgata Lawrence Ray Heckard 1952-6-19 312 Modoc Just below summit of Fandango Pass. 1828 Comment
  UC71796  Phacelia heterophylla subsp. virgata Mrs. M. H. Manning 1903-6 153 Modoc woods near Fort Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC180009  Phacelia heterophylla subsp. virgata Frederick H. Frost 1925-7-24 107 Modoc Jess Valley. Comment
  JEPS4035  Phacelia heterophylla subsp. virgata Frances D. Payne 1929-6-22 18 Modoc s and e Alturas; Warner Mountains, Parker Creek Comment
  POM73456  Phacelia heterophylla subsp. virgata Mrs. R. M. Austin 547 Modoc Goose Lake Valley Comment
  UC660058  Phacelia heterophylla subsp. virgata Alan A. Beetle 2820 Modoc 10 mi w Alturas (road from Alturas to Cedarville) 1371 Comment
  HSC81072  Phacelia humilis G. M. Riegel 1978-7-11 50 Modoc South Warner Mtns. 1670 Comment
  JEPS2124  Phacelia humilis L. S. Smith 1918-7-11 984 Modoc Mill Creek Meadows Modoc <National> Forest 2087 Comment
  CAS-BOT-BC179978  Phacelia humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16416 Modoc Near summit of Cedar Pass. 1935 Comment
  CAS-BOT-BC179987  Phacelia humilis var. humilis D. E. (Mrs. A. A. Beetle) Beetle 1941-6-29 65 Modoc Road to Cedarville, at pass. 2118 Comment
  CAS-BOT-BC179990  Phacelia humilis var. humilis Francis Dorris Payne 1929-7-26 119 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC179993  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1989-6-28 152 Modoc Vicinity of Granger Creek, E side of the Warner Mts. 1905 Comment
  RSA42004  Phacelia humilis var. humilis H. C. Cantelow 1940-6-1 3230 Modoc Cedar Pass Summit, Warner Mountains. Comment
  CAS-BOT-BC179958  Phacelia linearis L. A. M. Black 1894-7-1 98 Modoc Davis Creek. Comment
  OBI59430  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc hwy 139 ca 50 airmiles SW of Klamth Falls, a few mi N of Agric. inspection station, 1 mi S of S jct to Lava Beds Natl Monument E of Tonesta. T44N R6E sec 14 1311 Comment
  CAS-BOT-BC179932  Phacelia ramosissima var. eremophila Clare Butterworth Hardham 1961-6-20 7872 Modoc Pine Creek Canyon. 1676 Comment
  UC748445  Phacelia ramosissima var. ramosissima Annie M. Alexander and Louise Kellogg 1946-6-18 4807 Modoc at base of lava bluff facing Lower Lake Comment
  CAS-BOT-BC179911  Phacelia thermalis Barrett Anderson 1986-7-9 3149 Modoc Crowder Flat Rd, 3.2 km off Hwy 299. 1510 Comment
  JEPS83791  Phacelia thermalis Dean Wm. Taylor with Robert A. Price 1988-6-4 9761 Modoc ca 2.6 mi S10 deg e Casuse Mountain; Modoc Plateau, Tule Lake 15' quadrangle, Tule Lake Basin, Do 1280 Comment
  CAS-BOT-BC247554  Phalaris angusta Bruce Bartholomew; Barrett Anderson 1990-7-20 5470 Modoc 5 km N of Buck Creek Ranger Station, W W side of Warner Mts. 1900 Comment
  JEPS121231  Phalaris arundinacea Lowell Ahart, John Dittes 2013-7-24 18925 Modoc On the N side 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
  UC1037187  Phalaris arundinacea Leo Whitney 1935-7-2 3565 Modoc Alturas Comment
  JEPS70607  Phleum pratense W. L. Jepson 1918-8-9 7913 Modoc near Ft. Bidwell; near Ft. Bidwell 1432 Comment
  CAS-BOT-BC197952  Phlox diffusa F. Angwin 1946-4-21 s.n. Modoc Stonecoal Canyon near Adin Comment
  UC449711  Phlox diffusa Mrs. R. M. Austin 125 Modoc New Pine Creek 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
  CAS-BOT-BC197928  Phlox douglasii subsp. rigida Bruce Bartholomew; Barrett Anderson 1988-5-12 4128 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  RSA152694  Phlox douglasii subsp. rigida I. L. Wiggins, Dorothy Wiggins 1961-6-12 16392 Modoc Rocky clay mesa 5 mi. east of California State Highway 299, along Cedar Pass Rd. Comment
  CAS-BOT-BC197891  Phlox hoodii subsp. canescens Leland S. Smith 1917-7-2 73 Modoc Warren Mt. 2133 Comment
  HSC17189  Phlox hoodii subsp. lanata M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir Comment
  RSA469949  Phlox longifolia subsp. brevifolia J. P. Smith, J. O. Sawyer 1972-5-6 5269 Modoc Along State Route 299; 4 miles west of Modoc Co. Road 58 east of Alturas. 1494 Comment
  CAS-BOT-BC197867  Phlox stansburyi Belknap C. Goldsmith 1912-5-8 45 Modoc 8 mi. NW of Alturas. Comment
  HSC45811  Phlox stansburyi J. P. Smith, J. O. Sawyer 1972-5-6 5269 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  CHSC118070  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-17 12008 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  CHSC118079  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-18 12052 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  JEPS127579  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-18 12052 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; upland along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. McGinty Point 7.5' Quad. Comment
  CAS-BOT-BC497460  Phoenicaulis cheiranthoides B. Bartholomew; M. Gilbert; L. Skog 1993-5-11 6513 Modoc 11 km S of Oregon Border along W side of Goose Lake 1440 Comment
  CAS-BOT-BC58309  Phoenicaulis cheiranthoides Bruce Bartholomew; Barrett Anderson 1989-4-27 4641 Modoc Dutch Flat, NW of Adin. 1390 Comment
  CAS-BOT-BC58315  Phoenicaulis cheiranthoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6507 Modoc Fletcher Creek near crossing by Crowder Flat Road. 1600 Comment
  CAS-BOT-BC58317  Phoenicaulis cheiranthoides F. Angwin 1946-3-31 Modoc Adin. Comment
  CHSC67095  Phoenicaulis cheiranthoides James D. Jokerst 1987-5-12 2845 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  HSC26170  Phoenicaulis cheiranthoides D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19413 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  HSC26512  Phoenicaulis cheiranthoides J. P. Smith, J. O. Sawyer 1972-5-6 5250 Modoc County Rd. 86, just E of Adin. 1098 Comment
  JEPS15391  Phoenicaulis cheiranthoides W. L. Jepson 1918-8-7 7879 Modoc Mount Bidwell 2507 Comment
  JEPS15392  Phoenicaulis cheiranthoides Franklin P. Nutting 1892-8-15 Modoc Forestdale Comment
  NY182049  Phoenicaulis cheiranthoides B. M. Bartholomew 1988-5-13 4152 Modoc Along Parker Creek Road, .5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mountains. 1650 Comment
  SJSU5792  Phoenicaulis cheiranthoides H. L. Buckalew 1961-6-27 Modoc SW facing c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd Comment
  UC10760  Phoenicaulis cheiranthoides Milo S. Baker 1893-6-13 Modoc near Pitt River Comment
  UC402638  Phoenicaulis cheiranthoides Mrs. M. H. Manning 1907-4-29 Modoc Twelve Mile Creek, north-east Modoc County Twelve Mile Creek Comment
  UCD116140  Phoenicaulis cheiranthoides R. N. Raynor 1940-4-13 s.n. Modoc Joseph Creek. Comment
  POM94707  Phoenicaulis cheiranthoides Mrs. R. M. Austin 1895-05 8 Modoc Goose Lake Valley Comment
  RSA600326  Phoradendron juniperinum Louis C. Wheeler 1935-8-8 3814 Modoc Warner Mountains: Pine Creek. 1646 Comment
  SEINET7297281 Image available Phragmites australis Herbert L. Mason 1947-1 13501 Modoc Highway 81, north of Modoc- Lassen County Line Comment
  RSA6893  Pinus albicaulis Elmer I. Applegate 1932-7-9 7587 Modoc Near summit of Bidwell Mountain, Warner Range. Comment
  UCR34664  Pinus albicaulis J. A. Harpel 1981-8-6 V 46 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC78284  Pinus attenuata M. B. Kildale 1926-9-11 2773 Modoc between Alturas + the Oregon line 1371 Comment
  HSC80920  Pinus contorta var. murrayana G. M. Riegel 1979-8-23 704 Modoc S Warner Mtns., plot 207 1829 Comment
  NY49935  Pinus contorta var. murrayana B. M. Bartholomew 1988-7-22 4520 Modoc South end of Bearcamp Flat, southern end of Warner Mountains. Emerson Peak 7.5' Quad [topographic map] 2230 Comment
  RSA749197  Pinus contorta var. murrayana A. Townesmith, K. M. Meyer 2007-9-16 215 Modoc Modoc National Forest, 8.5 mi. on Hwy 23 which turns into 31, south of Cedarville, CA. Pine 2218 Comment
  RSA0116402  Pinus murrayana Bruce Bartholomew, B. Anderson 1988-7-22 4520 Modoc S end of Bearcamp Flat, Southern end of Warner Mountains. (Emerson Peak Quad) 2230 Comment
  CAS-BOT-BC79033  Pinus ponderosa Elmer I. Applegate 1932-8-4 8144 Modoc About 3 miles above [Cantral] Cantrall Mill, Cherry Creek, on road to Mill Creek Meadows, Warner Mountains 2133 Comment
  CAS-BOT-BC79036  Pinus ponderosa Roxana S. Ferris; Laura Lorraine 1941-8-13 10546 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  SEINET5323925  Pinus washoensis D. A. Charlet, Terri Charlet 1996-7-1 2285 Modoc South Warner Mtns., ca. 1 road mile E of Patterson Guard Station; above East Creek. 2213 Comment
  CAS-BOT-BC248375  Plagiobothrys L. S. Smith 1922-7-7 1260 Modoc Modoc National Forest. High Grade Hill & Dismal Swamp 2316 Comment
  UC1191851  Plagiobothrys cusickii Herbert L. Mason and Verne Grant 1947-7-12 13421 Modoc s of Alturas (near s end of w side road, along railroad tracks); Pit River Valley Comment
  UC100870  Plagiobothrys cusickii Milo S. Baker Modoc Comment
  CHSC107381  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2011-6-22 17540 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  RSA0062307  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2011-6-22 17540 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  UC526163  Plagiobothrys hispidulus John Thomas Howell 1934-7-2 12360 Modoc near Willow Creek (ne side Clear Lake); mouth Willow Creek Comment
  CAS-BOT-BC58790  Plagiobothrys leptocladus Annie Montague Alexander; L. Kellogg 1946-6-7 4675 Modoc 2 mi. E of Cedarville. 1453 Comment
  CAS-BOT-BC58791  Plagiobothrys leptocladus G. Schoolcraft 1984-6-24 1260 Modoc E of Middle Alkali Lake. 1356 Comment
  RSA610636  Plagiobothrys leptocladus L. C. Wheeler 1935-8-25 3917 Modoc Rim Rock Valley Reservoir, Devil s Garden 1524 Comment
  UC726225  Plagiobothrys leptocladus A. A. Heller 1941-6-26 16217 Modoc in a roadside depression 3 mi e Canby Comment
  CAS-BOT-BC58730  Plagiobothrys salsus G. Schoolcraft; Arnold Tiehm 1984-6-24 1261 Modoc Middle Alkali Lake. 1356 Comment
  POM260097  Plagiobothrys scouleri var. hispidulus C. L. Hitchcock 1940-5-27 6686 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA210864  Plagiobothrys scouleri var. hispidulus R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39104 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  UC1191859  Plagiobothrys stipitatus var. micranthus Malcolm A. Nobs and S. Galen Smith 1949-6-16 790 Modoc 33 mi nnw Alturas; Dry Valley Reservoir Comment
  CAS-BOT-BC58772  Plagiobothrys tenellus Bruce Bartholomew; Barrett Anderson 1988-5-13 4169 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 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
  UCR37817  Platanthera dilatata var. leucostachys O. Ballantyne 1983-7-18 s.n. Modoc Warner Mtn., Tributary of North Fork of East Creek 1585 Comment
  CAS-BOT-BC242214  Platanthera dilatata var. leucostachys Bruce Bartholomew 1994-7-2 6799 Modoc Field redacted by CAS, contact the data manager for more information 1650 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-BC242219  Platanthera dilatata var. leucostachys Elmer Ivan Applegate 1932-8-7 8230 A Modoc Field redacted by CAS, contact the data manager for more information Comment
  UC429329  Platanthera leucostachys M. F. Gilman 652 Modoc 1676 Comment
  CAS-BOT-BC136652  Platanthera stricta Oliver Austin 1885-7-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information 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
  CAS-BOT-BC242209  Platanthera stricta Bruce Bartholomew 1994-7-2 6823 Modoc Field redacted by CAS, contact the data manager for more information 1910 Comment
  SEINET5102917  Platanthera stricta Unknown Modoc Comment
  CAS-BOT-BC245397  Plectritis macrocera Lindsay Stuart Smith; E. H. Steffen 1917-5-26 9 Modoc West Valley camp. 1554 Comment
  UCD90253  Poa annua A. A. Beetle 1941-6-29 2832 Modoc Near summit of Cedarville Pass. 2118 Comment
  UCD91811  Poa annua Annie M. Alexander; Louise Kellogg 1946-6-18 4791 Modoc Patterson Mill-Silver Creek Roads. 1828 Comment
  RSA149120  Poa bulbosa I. L. Wiggins, Dorothy Wiggins 1961-6-16 16527 Modoc along highway, 4.6 miles N of Adnin Comment
  UCD90871  Poa compressa Leo Whitney 1935-6-1 3169 Modoc one mile southwest of White Horse. Comment
  CAS-BOT-BC247581  Poa cusickii Bruce Bartholomew 1990-6-18 5371 Modoc 5.5 km N of Hwy 299 on Crowder Flat Rd. 1450 Comment
  UCD90917  Poa cusickii L. Whitney 1935-5-26 3141 Modoc Ash Creek, 10 miles E of Adin. Comment
  SD96114  Poa cusickii Jack L. Reveal 1976-6-2 1839 Modoc Modoc National Forest near Perez 1280 Comment
  JEPS70633  Poa cusickii subsp. cusickii L. S. Smith June 1919 1108 Modoc Deep Creek Ranger Station Comment
Read comments Jun 9 2012
  RSA534588  Poa nervosa Bruce Bartholomew, B. Anderson 1990-7-20 5544 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  RSA534589  Poa nervosa Bruce Bartholomew 1990-7-20 5464 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  UCD32721  Poa palustris Beecher Crampton 1954-7-7 2159 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  CHSC112686  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18767 Modoc Meadow, 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
  UC1024903  Poa pratensis subsp. pratensis Leo Whitney 1935-5-21 3112 b Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  CAS-BOT-BC247621  Poa pratensis subsp. pratensis John H. Hatton 1911-6-12 46 Modoc Modoc County. 1493 Comment
  RSA647548  Poa secunda Marion P. Harthill 1972-6-17 851 Modoc Cedar Pass 1921 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
  UC1037155  Poa secunda subsp. juncifolia Leo Whitney 1935-7-7 3396 Modoc 4 mi nw Canby (Howard Gulch) Comment
  UCD92433  Poa secunda subsp. juncifolia L. Whitney 1935-7-7 3396 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  CAS-BOT-BC247675  Poa secunda subsp. secunda Gordon H. True 1964-6-3 1453 Modoc N Fork Pit River between Alturas and Goose Lake. 1463 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
  JEPS74053  Poa secunda subsp. secunda Frances D. Payne 1932-6-27 621 Modoc s and e Alturas (Parker Creek, Parker Meadow); Warner Mts 1584 Comment
  UC790977  Poa secunda subsp. secunda A. A. Beetle 1941-6-29 2827 Modoc near summit Cedarville Pass 2118 Comment
  CHSC109489  Poa wheeleri L. P. Janeway; B. Castro 2012-7-24 10957 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New PIne Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. 2250 Comment
  SEINET10781971 Image available Pogogyne floribunda James D. Jokerst 1990-7-31 Jokerst 3205 Modoc Modoc National Forest, Devils Garden Ranger District (South of Clear Lake), about 1.5 miles SE of Dolublehead Mountain, N and adjacent to dirt road and 0.25 mile W of a north to south-oriented fenceline through the center of section 13 (NE 1/4 of NW 1/4), T 45N, R7E. 1372 Comment
  CAS-BOT-BC95164  Polanisia dodecandra subsp. trachysperma Margaret J. Williams 1983-9-13 83- 150 -1 Modoc Near Hwy 299, just E of Adin. Comment
  CAS-BOT-BC248380  Polanisia dodecandra subsp. trachysperma L. S. Smith 1918-9-25 1057 Modoc Modoc National Forest. Granger & So. Deep Cr. Slopes 1828 Comment
  HSC81028  Polemonium pulcherrimum G. M. Riegel 1980-7-28 948 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC231285  Polemonium pulcherrimum Alexander; Kellogg No date on label 5106 Modoc Eagle Rock Comment
  SEINET4557492  Polemonium pulcherrimum Annie M. Alexander, Louise Kellogg 1946-1 5106 Modoc North slope of peak rooting under rocks. Comment
  UC1563901  Polyctenium fremontii Barbara Ertter 1988-6-18 7617 Modoc 1 mi s of s junction to Lava Beds National Monument (e of Tonesta, Highway 139 ca 50 airmi sw of Klamath Falls, a few mi n of Agric. Inspection Station); e of Tonesta, s of s jct to Lava Beds National Monument 1310 Comment
  UCR87511  Polyctenium fremontii George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  UC10287  Polyctenium fremontii Mrs. R. M. Austin May 1894 Modoc Ewing Creek Comment
  CAS-BOT-BC58323  Polyctenium fremontii var. fremontii Alice Eastwood; John Thomas Howell 1940-6-15 8275 Modoc Near Perez. Comment
  CHSC112813  Polygonum Lowell Ahart; John Dittes 2013-7-24 18911 Modoc On the south side of a levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1262 Comment
  CAS-BOT-BC419701  Polygonum austiniae Mrs. R. M. Austin 1895-7-1 134 Modoc Goose Lake Valley Comment
  CHSC112836  Polygonum aviculare Lowell Ahart; John Dittes 2013-7-24 18915 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
  RSA599750  Polygonum aviculare Louis C. Wheeler 1935-8-28 3928 Modoc Modoc Plateau: 1.5 mi. south of Lakeshore Reservoir, Devil's Garden. 1524 Comment
  UC465747  Polygonum bistortoides Franklin P. Nutting Modoc flat near Forestdale Comment
  RSA210875  Polygonum buxiforme Robert F. Thorne 1969-9-4 39076 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  CAS-BOT-BC218125  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1990-7-19 5403 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC218143  Polygonum douglasii John Thomas Howell 1934-7-1 12317 Modoc Duncan Horse Camp. 1355 Comment
  CDA19674  Polygonum douglasii G. D. Barbe 1991-8-28 4445 Modoc Modoc Plateau; Modoc National Forest. Kelley Spring site, n of Adin. 3.4 mi from Hwy 299 at Rush Creek, on Primary Forest Service Rd 22 and Rd 40N33. 1645 Comment
  UC6695  Polygonum douglasii subsp. douglasii Milo S. Baker 1893-6-20 Modoc Egg Lake Comment
  CAS-BOT-BC26627  Polygonum esotericum Louis C. Wheeler 1935-8-25 3918 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  RSA323752  Polygonum kelloggii A. Tiehm 1984-7-30 8829 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 Comment
  CAS-BOT-BC218165  Polygonum polygaloides Bruce Bartholomew; Barrett Anderson 1989-6-1 4726 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  UC1025105  Polygonum polygaloides subsp. confertiflorum Leo Whitney 1934-5-25 1963 Modoc dry creek bed near Hockamore; Modoc National Forest 1463 Comment
  SD215624  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1935-8-22 Modoc Devil's Garden; ca. 0.25 mile southwest of Big Sage Reservoir. Comment
  JEPS98247  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-19 1420 Modoc 8 mi NW of Canby (on N side of Hwy 139; ca 0.9 mi w of FSR 46N10) 1508 Comment
  UCD77940  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1419 Modoc Ca. 8 mi nw of Canby, on n side of Hwy 139, 0.75 mi w of Forest Service Rd 46N10. 1511 Comment
  CAS-BOT-BC218184  Polygonum polygaloides subsp. kelloggii Alice Eastwood; John Thomas Howell 1940-6-14 8228 B Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC218186  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1934-6-12 12033 Modoc Plum Valley, Warner Mts. Comment
  CAS-BOT-BC218189  Polygonum polygaloides subsp. kelloggii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 107 Modoc Above Parker Creek, Warner Mts. Comment
  UC1713244  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1957-7-6 14725 Modoc Rim Rock, west of Goose Lake Comment
  RSA101497  Polygonum sawatchense subsp. oblivium R. Weatherby 1955-7-7 1608 Modoc Northern Juniper Woodland, 7 miles N of Ft. Bidwell 1875 Comment
  CAS-BOT-BC420162  Polygonum sawatchense subsp. sawatchense Ira L. Wiggins; Dorothy B. Wiggins 1961-6-15 16507 Modoc 16 mi. W of Canby, along Calif. St. Highway 139 Comment
  CAS-BOT-BC218151  Polygonum spergulariiforme Bruce Bartholomew; Barrett Anderson 1990-7-19 5397 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  RSA520360  Polygonum spergulariiforme Bruce Bartholomew 1989-7-14 4923 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  CAS-BOT-BC252512  Polypogon monspeliensis Bruce Bartholomew 1994-10-8 6876 Modoc 1.8 km S of Lookout - Adin Road on County Road 87A. 1260 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
  RSA611274  Populus tremuloides Louis C. Wheeler 1935-9-30 4017 Modoc Back Tuttle Place. Devil's Garden. 1524 Comment
  UC1192035  Porterella carnosula Herbert L. Mason 1947-8-12 13502 a Modoc Alturas junction of North and South Forks of Pit River (junction of North and South Forks of Pit River) Comment
  SEINET10460821  Porterella carnosula Mason 1947-8-12 Mason 13502 -a Modoc Comment
  SEINET11664775  Potamogeton amplifolius A. Seneres, Harold, N. 1983-1 113 Modoc in Warner Mountains Comment
  SJSU9377  Potamogeton epihydrus Wayne Savage 1979-8-23 Modoc Antelope, Fairchild Swamp Unit, Devils Garden Ranger District 1493 Comment
  CAS-BOT-BC242242  Potamogeton foliosus Louis Cutter Wheeler 1935-9-1 3933 Modoc Pine Spring, Devil's Garden. 1524 Comment
  POM312996  Potamogeton foliosus Verne Grant, Irving Schneider 1947-7-22 8153 Modoc Headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  UC157923  Potamogeton foliosus Milo S. Baker 1899-8-24 Modoc Carmichaels Mill Big Valley Comment
  UC1099857  Potamogeton gramineus Calvin McMillan, Malcolm A. Nobs 1949-6-16 788 Modoc 33 mni nnw of Alturas (Dry Valley Reservoir); Dry Valley Reservoir Comment
  SEINET10913212  Potamogeton nodosus Milo S. Baker 1899-8-24 Baker s.n. Modoc In Pit River at Sookout. Comment
  JEPS114840  Potamogeton pectinatus Lowell Ahart, John Dittes 2008-6-21 15005 Modoc In shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bie 1269 Comment
  SEINET5335427  Potamogeton pusillus M. S. Baker 1899-8-24 s.n. Modoc Carmichaels Mill Comment
  RSA210803  Potamogeton richardsonii Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39128 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC1100094  Potamogeton richardsonii Malcolm A. Nobs, S. Galen Smith 1949-7-22 1068 Modoc South Fork of Pit River (Likely, in Pit River) Comment
  UCD138296  Potamogeton richardsonii Herbert L. Mason; Verne Grant 1947-7-11 13380 Modoc on road from Likely to Jess Valley, ca. 1 mile east of Likely. Comment
  CAS-BOT-BC214738  Potentilla biennis Alice Eastwood; John Thomas Howell 1940-6-12 8046 Modoc Between Likely and Jess Valley. Comment
  CHSC116071  Potentilla biennis Lowell Ahart; John Dittes 2015-7-16 20373 Modoc South edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC214747  Potentilla breweri Francis Dorris Payne 1932-7-1 656 Modoc Pine Creek Basin, Warner Mts. Comment
  JEPS120517  Potentilla breweri L. P. Janeway, B. Castro 2012-7-27 11023 Modoc Warner Mountains. North-sloping meadow opening just above Mineral Spring, 0.5 air km east of Yellow Mountain. Comment
  RSA488577  Potentilla glandulosa var. nevadensis Bruce Bartholomew 1988-5-14 4202 Modoc Fletcher Creek on USFS 48N08 from Crowder Flats to Big Sage Reservoir 1480 Comment
  CAS-BOT-BC214794  Potentilla gracilis E. S. Willits 1940-5-17 262 Modoc Willow Ranch. Comment
  HSC65387  Potentilla gracilis Thomas Wood 1979-8-8 219 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  UC748062  Potentilla gracilis var. fastigiata Annie M. Alexander and Louise Kellogg 1946-6-20 4810 A Modoc Eagleville. 1440 Comment
  UC704380  Potentilla gracilis var. fastigiata Bud Fuller 1936-7-10 91 Modoc 15 mi nw Alturas; nw Alturas 1981 Comment
  CAS-BOT-BC214799  Potentilla newberryi Leo David Whitney 1935-7-29 3595 Modoc Near W end of Clear Lake. Comment
  CAS-BOT-BC143312  Potentilla newberryi Verne Grant; Irving Schneider 1947-8-27 8313 Modoc Southwest end of Clear Lake Comment
  CDA3917  Potentilla norvegica subsp. monspeliensis C. B. Greenbank 1978-8-11 Modoc Tulelake. 0 Comment
  UC1191491  Potentilla rivalis Herbert L. Mason 1947-8-9 13476 Modoc n Alturas (e side of Fairchild Swamp); , n of Alturas Comment
  UC1191496  Potentilla rivalis Herbert L. Mason, Verne Grant 1947-7-12 13404 Modoc Irrigation ditch by Jones' Lane off Highway 395 several mi s Alturas; s of Alturas Comment
  CAS-BOT-BC225032  Poteridium annuum Leland S. Smith 1918-6-14 936 Modoc Buck Creek Ranger Station & Willow Creek. 1676 Comment
  CHSC109645  Poteridium annuum Lowell Ahart; John Dittes 2012-7-11 18341 Modoc Along a poor mowed road, about 1/2 mile southeast of the Pilot butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  RSA0037175  Poteridium annuum Lowell A. Ahart, John Dittes 2012-7-11 18341 Modoc Along a poor mowed road, about 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  CAS-BOT-BC214807  Prunus emarginata Annie Montague Alexander; L. Kellogg 1946-6-28 4859 Modoc Pine Creek Canyon, N end of Warner Mts. 2103 Comment
  HSC80704  Prunus emarginata G. M. Riegel 1980-7-11 874 Modoc S Warner Mtns. 1670 Comment
  OBI10066  Prunus emarginata H. E. McMinn 1931-5-23 2473 Modoc Warner Mts Comment
  RSA648505  Prunus emarginata Marion P. Harthill 1972-6-17 843 Modoc Cedar Pass 1921 Comment
  CAS-BOT-BC214817  Prunus subcordata Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10621 Modoc Summit of Fandango Pass, Modoc National Forest 1889 Comment
  CAS-BOT-BC214820  Prunus subcordata Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8388 Modoc Second big curve ascending Ft. Bidwell side 1377 Comment
  CAS-BOT-BC214823  Prunus subcordata Bruce Bartholomew; Barrett Anderson 1989-4-27 4610 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC225011  Prunus virginiana var. demissa Annie Montague Alexander; L. Kellogg 1946-6-5 4659 Modoc Emerson Creek, 1.5 mi. S of Eagleville, Warner Mts. 1783 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
  RSA451461  Prunus virginiana var. demissa Christopher Davidson 1973-5-26 2135 Modoc ca. 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA520372  Prunus virginiana var. demissa Bruce Bartholomew, B. Anderson 1989-6-1 4733 Modoc Shake Spring. NW side of Shaffer Mtn. 1500 Comment
  UC467817  Prunus virginiana var. demissa W. P. Taylor and H. C. Bryant 1910-8-7 Modoc Warner Mountains, Dry Creek Dry Creek; Warner Mountains, Dry Creek 1447 Comment
  SEINET7452163  Prunus virginiana var. demissa J. H. Robertson 1974-8-27 NS 67 -74 Modoc Between Adin and Eagle Lake, Highway 139, 1 mile North of Willow Creek 1532 Comment
  UC12725  Prunus virginiana var. demissa Milo S. Baker 1893-6-15 Modoc Comment
  UC73069  Prunus virginiana var. demissa Milo S. Baker 1890-1 Modoc near Hayden's Hill (Big Valley); Big Valley Comment
  RSA59525  Prunus virginiana var. melanocarpa E. K. Balls 1950-5-20 14815 Modoc S Fork Pit River. About S Fork Public Camp. Likely to Jess Valley. 1433 Comment
  CAS-BOT-BC498651  Pseudognaphalium L. S. Smith 1924-7-1 1502 Modoc Modoc Forest, Round Mt. 1676 Comment
  CAS-BOT-BC227479  Pseudoroegneria spicata Gregg M. Riegel 1980-6-30 790 Modoc Unspecified 2415 Comment
  UCD91523  Pseudoroegneria spicata E. Wilson 1934-8-14 s.n. Modoc About 25 miles West of Alturas. Comment
  UC1140904  Pseudoroegneria spicata subsp. spicata L. D. Whitney 1935-7-6 3432 Modoc near Lookout (Pit River, Stone Coal Valley); Pit River, Stone Coal Valley Comment
  UC188857  Pseudoroegneria spicata subsp. spicata Milo S. Baker Modoc near Forestdale Comment
  CAS-BOT-BC95219  Pseudostellaria jamesiana Bruce Bartholomew 1992-5-14 6278 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  NY1083696  Pseudostellaria jamesiana B. M. Bartholomew 1990-6-17 5302 Modoc Vicinity of Emerson Camp near roadhead, East side of Warner Mountains 1750 Comment
  SD149209  Pseudotsuga menziesii B. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1399 Comment
Read comments Dec 3 2007
  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
  UCD92335  Puccinellia Beecher Crampton 1954-7-6 2083 -C Modoc Along U. S. Hwy. 395. 4 miles north of Likely. Comment
  CAS-BOT-BC252549  Puccinellia nuttalliana Arnold Tiehm; G. Schoolcraft 1984-6-24 8800 Modoc Surprise Valley, E side of Middle Alkali Lake, E of Cedarville. 1356 Comment
  UCD35723  Purshia tridentata Beecher Crampton 1960-6-17 5681 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  CAS-BOT-BC95685  Pyrola minor Bruce Bartholomew; Barrett Anderson 1990-7-20 5511 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC95687  Pyrola picta Leland S. Smith 1917-9-17 160 Modoc Lassen Creek. 2133 Comment
  CAS-BOT-BC50395  Pyrrocoma carthamoides var. cusickii George Ledyard Stebbins; J. A. Jenkins 1937-7-15 2374 Modoc Round Valley along state Hwy. 1066 Comment
  CAS-BOT-BC50397  Pyrrocoma carthamoides var. cusickii Louis Cutter Wheeler 1935-8-12 3827 Modoc Cotonwood Creek, Warner Mts. 1676 Comment
  JEPS74349  Pyrrocoma carthamoides var. cusickii L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1974-7-24 3768 Modoc 3.5 mi n Cedar Pass (along forest service road); Warner Mts. 2042 Comment
  SJSU9381  Pyrrocoma carthamoides var. cusickii W. Savage 1979-7-3 1295 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS17724  Pyrrocoma carthamoides var. cusickii Rimo Bacigalupi with G. T. Robbins 1955-7-20 5385 Modoc 5.5 mi ne Alturas (near junction of Cedar Pass road and U. S. 395) 1371 Comment
  RSA606134  Pyrrocoma carthamoides var. cusickii L. C. Wheeler 1935-8-12 3827 Modoc Cottonwood Creek, Warner Mountains. 1677 Comment
  CAS-BOT-BC50352  Pyrrocoma lanceolata var. lanceolata Louis Cutter Wheeler 1935-9-27 4008 Modoc Pease Flat, Devil's Garden. 1524 Comment
  CAS-BOT-BC50353  Pyrrocoma lanceolata var. lanceolata Bruce Bartholomew 1990-6-18 5365 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  CAS-BOT-BC180121  Quercus kelloggii Bruce Bartholomew; Barrett Anderson 1988-6-23 4262 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  UC1567399  Raillardella argentea G. Schoolcraft 1989-7-15 1964 Modoc n of Devils Knob; Warner Mts. 2621 Comment
  CAS-BOT-BC217298  Ranunculus alismifolius Louis Cutter Wheeler 1935-8-4 3774 Modoc Dismal Swamp, Warner Mts. 2225 Comment
  UC1731507  Ranunculus alismifolius Dean W. Taylor 1992-5-8 12567 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 Comment
  POM312421  Ranunculus aquatilis var. capillaceus Verne Grant, Irving Schneider 1947-7-22 8135 Modoc N Fork of Pit River by State Quarantine Station, Hwy 395, N of Alturas. Comment
Read comments Mar 20 2011
  UC1101364  Ranunculus aquatilis var. capillaceus Herbert L. Mason and Verne Grant 1947-7-11 13370 Modoc irrigation ditch by Jones' Lane (off Hwy 395, s of Alturas) Comment
  UC70362  Ranunculus aquatilis var. capillaceus Milo S. Baker 1899-8-24 Modoc Carmichael's Mill Big Valley Comment
  CAS-BOT-BC217273  Ranunculus aquatilis var. diffusus Bruce Bartholomew 1991-7-5 5945 Modoc North Willow Creek, vicinity of the Oregon border. 1580 Comment
  POM260011  Ranunculus aquatilis var. harrisii C. L. Hitchcock 1940-5-28 6721 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  CAS-BOT-BC217226  Ranunculus cymbalaria Elmer Ivan Applegate 1897-6-1 870 Modoc Black Canyon above Canby. Comment
  CAS-BOT-BC217234  Ranunculus cymbalaria Bruce Bartholomew 1992-5-15 6288 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  JEPS121212  Ranunculus cymbalaria Lowell Ahart, John Dittes 2013-7-24 18938 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
  POM269956  Ranunculus cymbalaria var. saximontanus Louis C. Wheeler 1935-8-3 3769 Modoc Pine Creek, Warner Mts 1555 Comment
  CAS-BOT-BC217236  Ranunculus eschscholtzii var. oxynotus Annie Montague Alexander; L. Kellogg 1946-7-30 5098 Modoc Eagle Peak, Warner Mts. Comment
  UC748222  Ranunculus eschscholtzii var. oxynotus Annie M. Alexander and Louise Kellogg 1946-7-30 5098 Modoc Eagle Peak Warner Mountains Comment
  CAS-BOT-BC217239  Ranunculus flabellaris Alice Eastwood; John Thomas Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  UC71851  Ranunculus glaberrimus Mrs. M. H. Manning 1903-3-24 54 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  UCR87507  Ranunculus glaberrimus George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC498689  Ranunculus glaberrimus Mrs. R. M. Austin 1894-4-1 s.n. Modoc Unspecified Comment
  UC72004  Ranunculus glaberrimus Milo S. Baker Modoc Big Valley Comment
  CAS-BOT-BC217250  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew; Barrett Anderson 1988-5-13 4154 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-BC497340  Ranunculus glaberrimus var. glaberrimus G. Schoolcraft 1989-7-16 1969 Modoc Warner Mts. SE of Patterson Lake 2773 Comment
  CAS-BOT-BC217179  Ranunculus occidentalis Bruce Bartholomew; Barrett Anderson 1988-5-12 4096 Modoc White Horse. 1340 Comment
  CAS-BOT-BC217176  Ranunculus occidentalis John H. Hatton 1911-6-10 23 Modoc Modoc County. 1524 Comment
  POM275138  Ranunculus occidentalis A. M. Alexander 1946-6-8 4697 Modoc Road from Eagleville to Patterson Mill. 2287 Comment
  POM275139  Ranunculus occidentalis var. eisenii A. M. Alexander, Louise Kellogg 1946-6-7 4672 Modoc 0.5 miles E of Cedarville. 1454 Comment
  CHSC85193  Ranunculus occidentalis var. occidentalis John Dittes; Josephine Guardino 1991-6-1 352 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  RSA488028  Ranunculus occidentalis var. ultramontanus Bruce Bartholomew, B. Anderson 1988-5-12 4096 Modoc White Horse 1340 Comment
  UC129841  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC217192  Ranunculus sceleratus Louis Cutter Wheeler 1935-8-3 3762 Modoc Pine Creek, Warner Mts. 1737 Comment
  POM100060  Ranunculus sceleratus var. multifidus R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC217160  Ranunculus uncinatus Roxana Stinchfield Ferris; R. Duthie 1919-6-15 177 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  RSA78890  Rhamnus rubra E. K. Balls, Percy C. Everett 1952-10-11 18156 Modoc 0.3 miles SE of crest of Fandango Pass, Warner Mts. 1829 Comment
  CAS-BOT-BC95679  Rhododendron columbianum Bruce Bartholomew 1995-7-31 7124 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  JEPS119655  Ribes aureum var. aureum Lowell Ahart, John Dittes 2012-7-10 18317 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC225871  Ribes cereum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 123 Modoc Above Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC225886  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-6-24 4297 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC225889  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-7-22 4551 Modoc Stough Reservoir between Alturas and Cedarville, Warner Mts.. 2000 Comment
  RSA504591  Ribes cereum Bruce Bartholomew, B. Anderson 1988-6-24 4297 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  UC1281034  Ribes cereum H. E. McMinn 1931-5-23 2463 Modoc Cedarville Road Warner Mts. 1889 Comment
  UC711874  Ribes cereum Roxana S. Ferris and Laura Lorraine 1941-8-13 10538 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 Comment
  POM92109  Ribes cereum Mrs. R. M. Austin 1895-05 43 Modoc Ross Canyon Comment
  UC1523789  Ribes roezlii Lisa Janio 1981-7-9 Modoc n Adin 1402 Comment
  CAS-BOT-BC225917  Ribes velutinum F. Angwin 1946-4-21 s.n. Modoc Stone Coal Canyon, 12 mi. NE of Adin. 1280 Comment
  CAS-BOT-BC225923  Ribes velutinum Bruce Bartholomew; Barrett Anderson 1989-4-28 4653 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC225930  Ribes velutinum E. S. Willits 1940-4-16 174 Modoc Sugar Hall. Comment
  UCD102520  Ribes velutinum Beecher Crampton; Carl Rimbey 1954-7-8 2180 Modoc Above Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  CAS-BOT-BC225945  Ribes viscosissimum A. D. Borden 1911-6-15 Modoc Davis Creek. Comment
  JEPS49201  Ribes viscosissimum B. C. Goldsmith 1910-1 Modoc Alturas Comment
  SFV1626  Ribes viscosissimum I. L. Wiggins, D. B. Wiggins 1961-6-14 16482 Modoc Warner Mountains Warner Mountains. 2.8 miles south of Lassen Creek Campground, along road to Davis Creek. 1900 Comment
  RSA0020907  Ribes viscosissimum I. L. Wiggins, Dorothy Wiggins 1961-6-14 16482 Modoc 2.8 mi. S of Lassen Creek campground, along road to Davis Creek, Warner Mountains. Comment
  UCR80270  Ribes viscosissimum var. hallii L. C. Wheeler 1935-8-14 3850 Modoc Warner Mtns., Lily Lake, Pine Creek 2073 Comment
  CAS-BOT-BC50327  Rigiopappus leptocladus Bruce Bartholomew 1991-7-5 5930 Modoc Vicinity of Cow Head Spring between Dorris Bothers Reservoir and Cow Head Tank. 1510 Comment
  CAS-BOT-BC50368  Rigiopappus leptocladus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16373 Modoc Junction of Cedar Pass road with Hwy 299. Comment
  SEINET13762213 Image available Rorippa austriaca T. C. Fuller 1970-7-8 1972 Modoc Wet meadow, Corporation Ranch near Likely Comment
  SEINET11546665  Rorippa curvisiliqua M. J. Williams 1984-6-30 84- 80 -3 Modoc Near reservoir, 6.8 miles W of Cedarville-Gerlach Road. 1981 Comment
  NY181937  Rorippa curvisiliqua var. orientalis B. M. Bartholomew 1991-6-21 5814 Modoc N side of Mud Lake, 5.8 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  UC673336  Rorippa nasturtium-aquaticum F. H. Frost 1925-7-11 Modoc Cedar Canyon 2 mi above Cedarville (Warner Mts.); , Cedar Canyon, above Cedarville Comment
  CDA25132  Rorippa palustris var. occidentalis T. C. Fuller 1958-7-8 1953 Modoc Corporation Ranch, Likely. 0 Comment
  SEINET5763345 Image available Rorippa sinuata John Thomas Howell 1934-1 12019 Modoc Plum Valley; Warner Mountains Comment
  CAS-BOT-BC218244  Rosa gymnocarpa Bruce Bartholomew 1994-7-4 6855 Modoc Johnson Creek, E of State Hwy 299. 1620 Comment
  CAS-BOT-BC218246  Rosa woodsii var. ultramontana Lindsay Stuart Smith 1920-6-15 25 Modoc Fillingim's 1371 Comment
  CAS-BOT-BC218249  Rosa woodsii var. ultramontana Bruce Bartholomew 1989-7-14 4930 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC218255  Rosa woodsii var. ultramontana Belknap C. Goldsmith 1912-5-5 64 Modoc Near Big Valley (P.O. Beiber - 20 mi.). 1402 Comment
  CAS-BOT-BC218261  Rosa woodsii var. ultramontana C. C. (Mrs.) Bruce 1894-7-1 65 Modoc Davis Creek. Comment
  RSA520486  Rosa woodsii var. ultramontana Bruce Bartholomew 1989-7-14 4930 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  SD46575  Rosa woodsii var. ultramontana Robert J. Weatherby 1955-7-8 1627 Modoc 5 miles north of Ft. Bidwell, no. Warner Mts. 1783 Comment
  UC12904  Rosa woodsii var. ultramontana Milo S. Baker 1893-6-26 Modoc Forestdale Comment
  UC467685  Rosa woodsii var. ultramontana Milo S. Baker 1898-1 Modoc Forestdale Comment
  HSC17608  Rumex californicus M. T. Milligan 1964-6-20 67 Modoc 4 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  UCD100942  Rumex fueginus Herbert L. Mason; Verne Grant 1947-7-11 13362 Modoc Highway 395, 5 miles south of Alturas. Comment
  CAS-BOT-BC211346  Rumex lacustris Edward Kent Balls 1950-5-13 14661 Modoc Goose Lake, E shore, about Willow Ranch. 1463 Comment
  UCD101328  Rumex lacustris Herbert L. Mason; Verne Grant 1947-7-10 13336 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CHSC106330  Rumex salicifolius subsp. triangulivalvis Lowell Ahart; John Dittes 2010-8-30 17064 Modoc On the side of a small wash, about 10 yards east of 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
  CHSC117496  Rumex triangulivalvis Lowell Ahart; John Dittes 2016-7-14 21193 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC245202  Sagittaria cuneata Elmer Ivan Applegate 1929-7-29 6094 Modoc Clear Lake Dam. Comment
  POM184887  Salix boothii Frances D. Payne 1932-7-21 729 Modoc Marsh S of Mosquito Lake. E side of Mt. Warren (Buck Mt). Warner Mtns. E of Alturas. Comment
  UC492370  Salix boothii Frances D. Payne 1932-7-21 728 a Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  SBBG59081  Salix eastwoodiae F. D. Payne 1931-7-8 177 Modoc Pine Crk Basin, ca. 33 km SE of Alturas 2280 Comment
  SBBG59082  Salix eastwoodiae F. D. Payne 1931-6-25 275 Modoc Pine Crk Basin, ca. 33 km SE of Alturas 2280 Comment
  UC481847  Salix eastwoodiae Frances D. Payne 1931-7-8 177 a Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481860  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UCR64478  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc Warner Mtns., Pine Creek Basin, c. 33 km. southeast of Alturas 2280 Comment
  RSA0034853  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc Pine Creek Basin, Warner Mountains, about 33 km. southeast of Alturas. 2280 Comment
  CAS-BOT-BC225782  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 488 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  RSA610773  Salix exigua Louis C. Wheeler 1935-9-22 3998 Modoc Pit River at Rattlesnake Butte. Warm Springs Valley. 1341 Comment
  UC472125  Salix exigua Mrs. M. H. Manning 1903-4-23 78 Modoc near Fort Bidwell; ne Modoc Co. Comment
  CAS-BOT-BC229692  Salix lasiandra subsp. caudata F. Angwin 1946-4-21 s.n. Modoc Stone Coal Canyon, 2 miles northeast of Adin. 1280 Comment
  UC481937  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 490 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC197562  Salix lasiandra var. lasiandra H. P. Bracelin; Francis Dorris Payne 1931-6-30 498 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  RSA612590  Salix lasiolepis Louis C. Wheeler 1935-8-3 3771 Modoc Pine Creek, Warner Mts. 1555 Comment
  CAS-BOT-BC229674  Salix lasiolepis var. lasiolepis Louis Cutter Wheeler 1935-8-3 3771 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC229663  Salix lemmonii Louis Cutter Wheeler 1935-8-3 3760 Modoc Pine Creek, Warner Mts. 1737 Comment
  SJSU259  Salix lemmonii Frances Payne 1934-8-15 778 Modoc Pine Cr Basin, Warner Mts 2316 Comment
  JEPS38499  Salix ligulifolia L. S. Smith 1918-1 54 Modoc Contralts Mill; Warner Mts. 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
  CAS-BOT-BC229676  Salix lutea H. P. Bracelin; Francis Dorris Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC229679  Salix lutea Elmer Ivan Applegate 1932-7-30 7945 Modoc North Fork Pit River about 4 mi. above Alturas. Comment
  SD908  Salix lutea Mrs. H. P. Bracelin, Miss Frances D. Payne 1931-6-30 499 Modoc Perker creek, 20 km east of Alturas, in meadow south of Payne Ranch 1559 Comment
  UC481794  Salix lutea Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 499 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  UC481845  Salix melanopsis Frances D. Payne 1931-6-11 140 Modoc Parker Creek Warner Mts., Parker Creek 1560 Comment
  CAS-BOT-BC229845  Salix prolixa Leland S. Smith 1917-6-21 54 Modoc Cantrall's Mill. 1828 Comment
  CAS-BOT-BC229830  Salix scouleriana Elmer Ivan Applegate 1932-7-15 7619 Modoc North slope of Bidwell Mountain. Comment
  CAS-BOT-BC95557  Salsola paulsenii Thomas C. Fuller 1964-10-8 12698 Modoc Levee road across S end of Goose Lake, ca. 5 mi. W of Davis Creek. Comment
  RSA520489  Sambucus melanocarpa Bruce Bartholomew 1989-7-14 4943 Modoc N side of the Pit River near Ostrom Point, ca. 5.5 km E of County Route 91 1280 Comment
  HSC3960  Sambucus nigra subsp. caerulea M. T. Milligan 1966-7-1 516 Modoc Slopes and ridges E of Jess Valley. 1585 Comment
  JEPS45509  Sanguisorba annua L. S. Smith 1918-6-14 936 Modoc South Slope Buck Creek Ranger Station and Willow Creek 1676 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
  UC1191507  Sanguisorba annua Herbert L. Mason and Verne Grant 1947-7-13 13443 Modoc Joseph Creek on Hwy 395 n of Davis Creek (e side Goose Lake) (near roadside); e side Goose Lake, Joseph Creek Comment
  CAS-BOT-BC15725  Sanicula graveolens Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 5999 Modoc Cedar Pass. 1920 Comment
  JEPS1016  Sanicula graveolens M. S. Baker and Franklin P. Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  NY1101597  Sanicula graveolens B. M. Bartholomew 1989-6-2 4840 Modoc Vicinity of Stough Reservoir, Warner Mountains 1950 Comment
  UC21361  Sanicula graveolens Milo S. Baker 1893-6 Modoc in Modoc County Modoc County Comment
  CAS-BOT-BC95240  Saponaria officinalis Verne Grant; I. Schneider 1947-8-24 8256 Modoc S end of Jess Valley, Warner Mts. Comment
  CAS-BOT-BC95564  Sarcobatus vermiculatus E. S. Willits 1940-6-9 340 Modoc Cedarville. Comment
  CAS-BOT-BC95570  Sarcobatus vermiculatus Elmer Ivan Applegate 1897-6-1 3035 Modoc Between Canby and Alturas. Comment
  RSA565102  Saxifraga integrifolia D. W. Taylor 1992-5-7 12521 Modoc 0.5 miles E of Duncan Reservoir, on western rim of Black Canyon. 1524 Comment
  CAS-BOT-BC225956  Saxifraga nidifica var. nidifica Bruce Bartholomew 1994-5-28 6716 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  UC1483867  Saxifraga nidifica var. nidifica G. Schoolcraft 1980-4-29 210 Modoc n of Adin (Harper Hill); Harper Hill 1402 Comment
  UC748343  Saxifraga nidifica var. nidifica Annie M. Alexander and Louise Kellogg 1946-8-3 5115 Modoc head of Eagle Creek; Warner Mountains, Eagle Creek Comment
  JEPS47549  Saxifraga oregana Milo S. Baker 1898-8-22 564 Modoc Bear Valley Mountains Comment
  UC11790  Saxifraga oregana Milo S. Baker 1893-6 Modoc Comment
  UCD126456  Schedonorus arundinaceus L. Whitney 1935-7-7 3389 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  RSA504840  Schedonorus pratensis Bruce Bartholomew, B. Anderson 1988-7-22 4482 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mountains; Sierran Montane forest. 2210 Comment
  UCD126479  Schedonorus pratensis J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC245135  Schoenoplectus acutus var. occidentalis Elmer Ivan Applegate 1929-7-29 6095 Modoc Clear Lake Dam. Comment
  UC1100763  Scirpus acutus var. occidentalis Verne Grant and Irving Schneider 1947-7-18 8041 Modoc Eastside Canal 5 mi n Bayley's bridge (s of Alturas); , Eastside Canal Comment
  UC1537641  Scirpus acutus var. occidentalis Gordon H. True Jr. 1939-7-21 1012 Modoc n Canby (Jack Swamp); , n of Canby Comment
  UC1100870  Scirpus americanus Verne Grant and Irving Schneider 1947-7-19 8084 Modoc irrigation ditch s Williams Ranch House (n of Likely); n of Likely Comment
  CAS-BOT-BC245118  Scirpus microcarpus Bruce Bartholomew; Barrett Anderson 1990-7-19 5425 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC245125  Scirpus microcarpus Bruce Bartholomew 1990-6-17 5329 Modoc W side of Surprise Valley, 16 km S of Cedarville. 1420 Comment
  CAS-BOT-BC179152  Sclerolinon digynum Milo S. Baker 1894-6-20 Modoc Near Whitehorse Lake. Comment
  UC1192000  Scrophularia lanceolata Verne Grant and Irving Schneider 1947-7-20 8105 Modoc downstream from Alturas (Norht Fork of Pit river) Comment
  CAS-BOT-BC179222  Scutellaria nana John Thomas Howell 1934-7-3 12374 Modoc 5 mi. S of Hackamore. Comment
  UCR40301  Sedum G. R. Ballmer, G. F. Pratt 1985-7-15 s.n. Modoc Warner Mtns., near the summit of Mount Bidwell 2500 Comment
  UC205191  Sedum lanceolatum M. F. Gilman 512 Modoc Comment
  JEPS48024  Sedum stenopetalum Frances D. Payne 1929-7-20 103 Modoc s and e Alturas (Parker Creek, on n slope, Warner Mountains); Warner Mountains, Parker Creek, s and e of Alturas 1584 Comment
  CAS-BOT-BC95614  Sedum stenopetalum subsp. stenopetalum Annie Montague Alexander; L. Kellogg 1946-8-8 5123 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC50335  Senecio aronicoides Bruce Bartholomew 1992-5-16 6337 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CAS-BOT-BC50337  Senecio aronicoides Robert Patterson; Mona Bourell 1993-8-15 5271 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC81125  Senecio aronicoides G. M. Riegel 1980-6-25 769 Modoc South Warner Mtns. 2100 Comment
  UC831911  Senecio aronicoides C. L. Hitchcock 1940-5-27 6711 Modoc 15 mi ne Alturas 1615 Comment
  RSA0012427  Senecio aronicoides Bruce Bartholomew, B. Anderson 1988-6-24 4364 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 Comment
  SEINET191900  Senecio canus Mrs. H. C. Cantelow 1940-6-2 Modoc 4 miles west of Alturas Comment
  RSA271898  Senecio eurycephalus Christopher Davidson 1975-6-4 2592 Modoc 0.4 mile east of Highway 395 on Highway 299 toward Cedarville. Fenced pasture on south side of road. 1380 Comment
  HSC81127  Senecio fremontii G. M. Riegel 1979-9-6 750 Modoc South Warner Mtns. 1829 Comment
  UC748428  Senecio fremontii var. occidentalis Annie M. Alexander and Louise Kellogg 1946-7-29 5084 Modoc Head Eagle Creek Warner Mountains Comment
  CAS-BOT-BC50253  Senecio integerrimus var. exaltatus K. Paulson; Robert Paulson 1989-5-8 110 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC50256  Senecio integerrimus var. exaltatus Edward Kent Balls 1950-5-13 14682 Modoc W of Goose Lake, 1.5 mi. S of Oregon-California State Line. 1463 Comment
  CAS-BOT-BC50295  Senecio integerrimus var. exaltatus Clare Butterworth Hardham 1961-6-18 7588 Modoc Cedar Pass. 1828 Comment
  CHSC117857  Senecio integerrimus var. exaltatus L. P. Janeway 2016-5-16 11993 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CDA8649  Senecio integerrimus var. exaltatus T. C. Fuller 1963-6-11 10651 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  JEPS5945  Senecio integerrimus var. exaltatus Frances D. Payne 1931-6-25 250 Modoc flat w Warren Peak; Warner Mountains 2133 Comment
  UC36167  Senecio integerrimus var. exaltatus Mrs. R. M. Austin June 1894 Modoc Dry Valley Comment
  SEINET2443983  Senecio multilobatus Unknown 1955-6-25 4507 Modoc North slope of Jess Valley. 1585 Comment
  CAS-BOT-BC50268  Senecio serra var. serra Bruce Bartholomew 1989-8-12 5109 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains. 2040 Comment
  RSA0013301  Senecio serra var. serra Bruce Bartholomew 1989-8-12 5109 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains 2040 Comment
  UC566651  Senecio serra var. serra F. H. Frost 1925-7-12 67 Modoc Stow's Meadow Warner Mountains, , Stow's Meadow (Cedar Canyon) Comment
  CAS-BOT-BC54279  Senecio triangularis Annie Montague Alexander; L. Kellogg 1946-7-29 5081 Modoc Eagle Peak. 2438 Comment
  CAS-BOT-BC95638  Shepherdia argentea Bruce Bartholomew; Barrett Anderson 1989-4-29 4702 Modoc Sand Creek, E side of Surprise Valley, ca. 10 km E of Cedarville. 1400 Comment
  RSA165549  Sidalcea hendersonii Clare B. Hardham 1961-6-19 7853 Modoc Willow Creek. 1524 Comment
  CAS-BOT-BC179063  Sidalcea oregana subsp. oregana K. Paulson; Robert Paulson 1988-6-19 51 Modoc E of Happy Camp Guard Station. 1554 Comment
  CAS-BOT-BC179074  Sidalcea oregana subsp. oregana Annie Montague Alexander; L. Kellogg 1946-7-7 4924 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC179079  Sidalcea oregana subsp. oregana Belknap C. Goldsmith 1912-8-23 68 Modoc Near Alturas. 1341 Comment
  CAS-BOT-BC179081  Sidalcea oregana subsp. oregana John H. Hatton 1911-6-13 78 Modoc Modoc County. 1371 Comment
  UC108917  Sidalcea oregana subsp. oregana Mrs. R. M. Austin Jul 1884 Modoc Goose Lake Valley Comment
  RSA520356  Sidalcea oregana subsp. oregana Bruce Bartholomew, B. Anderson 1989-6-3 4903 Modoc 5 km NW of Egg Lake and ca. 0.8 km W. of Service Flat Gulch 1370 Comment
  CAS-BOT-BC179054  Sidalcea oregana subsp. spicata Leland S. Smith 1922-7-13 1265 Modoc Crowder Flat Ranger Station Pasture. 1463 Comment
  CAS-BOT-BC179056  Sidalcea oregana subsp. spicata Bruce Bartholomew; Barrett Anderson 1990-7-19 5437 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC179059  Sidalcea oregana subsp. spicata Milo Samuel Baker 1893-1-1 Modoc Forestdale. Comment
  CAS-BOT-BC179060  Sidalcea oregana subsp. spicata Annie Montague Alexander; L. Kellogg 1946-7-11 4976 Modoc Mesa W of Eight Mile Creek. Comment
  UCR131814  Sidalcea oregana subsp. spicata George Willet 1935-6-26 s.n. Modoc Warner Mountains, Jess Valley 1829 Comment
  UC190595  Silene douglasii M. F. Gilman 507 Modoc slopes 1524 Comment
  CHSC109499  Silene douglasii var. douglasii L. P. Janeway; B. Castro 2012-7-26 11012 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  HSC80712  Silene douglasii var. douglasii G. M. Riegel 1980-7-21 912 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC95261  Silene lemmonii Bruce Bartholomew; Barrett Anderson 1988-7-21 4411 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  UC465655  Silene lemmonii Franklin P. Nutting Modoc near Forestdale; near Forestdale Comment
  RSA324578  Silene menziesii subsp. dorrii A. Tiehm 1984-6-30 8840 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  CAS-BOT-BC95259  Silene nuda Leland S. Smith 1922-8-1 1321 Modoc Dutch Flat field. 1371 Comment
  CAS-BOT-BC95260  Silene nuda Bruce Bartholomew; Barrett Anderson 1990-7-19 5396 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CHSC113092  Silene nuda Lowell Ahart; John Dittes 2013-7-25 18954 Modoc On the north side of a deep drainage, dry meadow, 30 yards south of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  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
  UCD115507  Sisymbrium altissimum Robbins; Raynor 1943-6-1 s.n. Modoc near Likely. Comment
  CHSC112428  Sisymbrium orientale Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18760 Modoc About 100 yards east of the Parking Area, near the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  OBI48154  Sisyrinchium douglasii Rhonda Riggins 1989-4-28 1674 Modoc 0.3 mi W West Warner Rd on parker Creek Rd, W side Warner Mts 1463 Comment
  CAS-BOT-BC245082  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1991-7-5 5941 Modoc North Willow Creek, vicinity of the Oregon border. 1580 Comment
  UC21379  Sium suave Milo S. Baker 1893-7-24 Modoc Egg Lake Comment
  UC71734  Smilacina racemosa Mrs. M. H. Manning Aug 22 1903-Jul 9 1904 135 Modoc Cottonwood Pass; ne Modoc Co. Comment
  JEPS62137  Smilacina stellata W. L. Jepson 1918-8-11 7941 Modoc Jess Valley 1584 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
  CAS-BOT-BC245426  Solanum triflorum Verne Grant; Herbert Louis Mason 1947-7-10 13341 Modoc Doris Reservoir, 2 miles east of Alturas Comment
  CAS-BOT-BC245429  Solanum triflorum E. S. Willits 1939-10-27 173 Modoc School grounds, Willow Ranch. Comment
  CDA34734  Solanum triflorum L. Ahart, John Dittes 2010-8-3 17083 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, and about 7.2 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC245434  Solanum umbelliferum Bruce Bartholomew 1993-6-12 6582 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CHSC70719  Solidago elongata A. Sanger 1997-7-9 2641 Modoc Willow Creek at junction toward Tri-tip Meadow. 1499 Comment
  HSC81114  Solidago elongata G. M. Riegel 1979-9-5 746 Modoc South Warner Mtns. 1670 Comment
  SEINET3167750  Solidago elongata J. C. Semple, B. A. Suripto 1990-8-11 9295 Modoc NE of Altura, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  UC71567 Image available Solidago lepida var. salebrosa Mrs. M. H. Manning Sept 1902 15 Modoc Comment
  CAS-BOT-BC54285  Solidago spectabilis Herbert Louis Mason 1947-8-9 13459 Modoc Ingalls Swamp, N of Big Sage Reservoir. Comment
  CHSC99899  Solidago velutina subsp. californica Lowell Ahart; John Dittes 2008-8-26 15343 Modoc On the banks of Rose Creek, 250 feet southwest of the confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3,160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS920  Sphenosciadium capitellatum L. S. Smith 1918-7-15 998 Modoc Mill Cr. Corral , Mill Cr. Corral (Modoc Forest) Comment
  CAS-BOT-BC242204  Spiranthes romanzoffiana Francis Dorris Payne 1932-8-1 755 Modoc Field redacted by CAS, contact the data manager for more information 1584 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
  CAS-BOT-BC252544  Sporobolus Leland S. Smith 1918-9-20 1061 Modoc Surprise Valley. 1524 Comment
  UCLA70790  Stachys ajugoides var. rigida Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  JEPS117296  Stachys palustris subsp. pilosa Lowell Ahart, John Dittes 2010-8-31 17127 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC179211  Stachys pilosa B. Bartholomew 1990-8-3 5613 Modoc 8 km E of Likely on road to Jess Valley. Along S Fork of the Pit River. 1420 Comment
  UC1101390  Stellaria longipes var. longipes Verne Grant and Irving Schneider 1947-8-24 8252 Modoc Jess Valley; Warner Mountains Comment
  CAS-BOT-BC54254  Stenotus acaulis Bruce Bartholomew 1991-8-5 6068 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  CAS-BOT-BC54300  Stenotus acaulis Elmer Ivan Applegate 1932-7-9 7574 A Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  POM260354  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC54267  Stephanomeria spinosa Bruce Bartholomew; Barrett Anderson 1990-7-21 5566 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  UC748195  Stephanomeria tenuifolia Annie M. Alexander and Louise Kellogg 1946-7-5 4908 Modoc Lava Cliff, w Lower Lake Lower Lake Comment
  HSC80834  Stipa nelsonii subsp. dorei G. M. Riegel 1980-8-28 1182 Modoc S Warner Mtns. 1670 Comment
  UCR34680  Stipa nevadensis J. A. Harpel 1981-8-6 V 12 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  HSC13361  Stipa occidentalis var. occidentalis R. C. Wunner 1965-6-20 221 Modoc Lava Beds N. M., Lava Brook Cave. 1463 Comment
  HSC80824  Stipa occidentalis var. occidentalis G. M. Riegel 1980-7-15 884 Modoc South Warner Mtns. 1829 Comment
  HSC9869  Stipa thurberiana Thomas W. Stark 1967-7-16 85 Modoc 2 mi. S of Lava Beds Natl. Monument, 10 mi. W of the town of Perez 915 Comment
  NY188820  Streptanthella longirostris B. M. Bartholomew 1993-5-10 6460 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC95571  Suaeda calceoliformis Bruce Bartholomew 1991-10-13 6121 Modoc 5 km E of Cedarville, Surprise Valley. 1310 Comment
  CAS-BOT-BC180102  Swertia albicaulis var. albicaulis John Thomas Howell 1934-6-12 11990 Modoc 9 mi. S of Davis Creek. Comment
  CAS-BOT-BC180112  Swertia albicaulis var. albicaulis Bruce Bartholomew 1991-6-20 5776 Modoc Junction of county roads 87 and 90. 1220 Comment
  CAS-BOT-BC180088  Swertia radiata B. Bartholomew; B. Anderson 1988-7-22 4518 Modoc NE side of Patterson Meadow, southern end of the Warner Mountains 2180 Comment
  UC615249  Swertia radiata Beryl O. Schreiber 1934-6-10 1177 Modoc Lost Lake Warner Mountains Comment
  HSC65429  Symphoricarpos mollis J. P. Smith, J. O. Sawyer 1973-8-9 7262 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  UC416558  Symphoricarpos mollis var. acutus Milo S. Baker 1898-1 Modoc Forestdale Comment
  CAS-BOT-BC95192  Symphoricarpos rotundifolius var. rotundifolius John Thomas Howell 1934-6-13 12105 Modoc Warner Mts., North Fork of Barber Creek. 1828 Comment
  CAS-BOT-BC95196  Symphoricarpos rotundifolius var. rotundifolius John H. Hatton 1911-6-20 123 Modoc Modoc County. 1524 Comment
  CHSC27610  Symphoricarpos rotundifolius var. rotundifolius Robert A. Schlising 1978-7-29 3330 Modoc W slope of Warner Mountains, along trail in Pine Creek Basin. 2255 Comment
  JEPS22822  Symphoricarpos rotundifolius var. rotundifolius F. H. Frost 1925-7-11 30 Modoc 3 mi above Cedarville; Warner Mountains, Cedar Canyon Comment
  UC1191852  Symphoricarpos rotundifolius var. rotundifolius Herbert L. Mason 1948-7-18 13619 Modoc Cedar Pass; Warner Mountains Comment
  UC728630  Symphoricarpos rotundifolius var. rotundifolius Milo S. Baker 1930-6-13 8326 Modoc w entrance Cedar Pass; Warner Mts. Comment
  UC912525  Symphyotrichum bracteolatum F. H. Frost 1925-7-24 119 Modoc Jess Valley Warner Mts. Comment
  UCD136550  Symphyotrichum bracteolatum Robert F. Thorne; C. W. Tilforth 1969-9-4 39047 Modoc along north fork of Pit River, 11.8 miles north of Alturas along Highway 395. 1371 Comment
  JEPS121187  Symphyotrichum campestre Lowell Ahart, John Dittes 2013-7-25 18950 Modoc Along the N-S fence, S edge of Ash Creek floodplain, NW of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  JEPS40767  Symphyotrichum campestre Mrs. M. H. Manning 1903-8-1 268 Modoc near Fort Bidwell; North-East Modoc Co 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
  UC469023  Symphyotrichum foliaceum M. F. Gilman Modoc Comment
  RSA607285  Symphyotrichum foliaceum var. foliaceum L. C. Wheeler 1935-8-16 3875 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC15154  Symphyotrichum foliaceum var. parryi Bruce Bartholomew 1989-8-11 5087 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  CHSC115695  Symphyotrichum foliaceum var. parryi L. P. Janeway 2015-8-11 11834 Modoc Warner Mountains. East side of Squaw Peak a little above Squaw Peak Trail. 2483 Comment
  UC748098  Symphyotrichum spathulatum Annie M. Alexander and Louise Kellogg 1946-7-13 4991 Modoc Cowhead Lake Comment
  CAS-BOT-BC232358  Synthyris missurica Annie Montague Alexander; L. Kellogg 1946-6-28 4857 Modoc Pine Creek Canyon. Comment
  CAS-BOT-BC232362  Synthyris missurica Bruce Bartholomew; Barrett Anderson 1988-6-24 4306 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  JEPS120542  Synthyris missurica B. Castro and L. P. Janeway 2012-7-28 1980 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). Comment
  RSA166254  Synthyris missurica H. Dearing, M. Dearing 1939-6-8 s.n. Modoc Lily Lake, Warner Mountains. 2134 Comment
  UC887553  Synthyris missurica C. L. Hitchcock 1940-5-27 6716 Modoc 15 mi ne Alturas 1981 Comment
  SEINET231318 Image available Taeniatherum caput-medusae Margaret J. Williams 1984-1 84- 75 -3 Modoc 27.4 mi N of Cedar Pass road on Hwy 395. 1300 Comment
  RSA101506  Taraxacum officinale R. Weatherby 1955-7-7 1599 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  HSC6254  Taraxacum officinale M. T. Milligan 1966-5-14 610 Modoc Plateau W of Jess Valley 1829 Comment
  JEPS118472  Taraxia subacaulis Lowell Ahart, John Dittes 2011-6-21 17516 Modoc Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1191747  Taraxia tanacetifolia Herbert L. Mason 1947-8-13 13523 Modoc n Canby (ne side of reservoir); F Reservoir Comment
  CAS-BOT-BC54228  Tetradymia canescens Annie Montague Alexander; L. Kellogg 1946-7-7 4940 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  JEPS38095  Tetradymia canescens L. S. Smith 1918-7-7 976 Modoc Jess Valley-Clark Ranch Modoc National Forest 1524 Comment
  JEPS38110  Tetradymia canescens W. L. Jepson 1918-8-6 7848 Modoc Surprise Valley 1447 Comment
  CAS-BOT-BC54238  Tetradymia glabrata Bruce Bartholomew 1990-6-17 5291 Modoc Surprise Valley, W side of Lower Alkali Lake, 5.6 km N of Lassen County border. 1370 Comment
  CAS-BOT-BC217133  Thalictrum fendleri Leland S. Smith 1922-7-20 1307 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  CAS-BOT-BC217174  Thalictrum fendleri Bruce Bartholomew; Barrett Anderson 1988-6-24 4319 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  HSC1962  Thalictrum fendleri M. T. Milligan 1966-7-3 549 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  RSA604935  Thalictrum fendleri Louis C. Wheeler 1935-8-10 3823 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  CAS-BOT-BC95073  Thelypodium flexuosum Bruce Bartholomew 1993-6-13 6633 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  NY33851  Thermopsis argentata M. S. Baker 06 1894 s.n. Modoc Forestdale Comment
  CAS-BOT-BC181800  Thermopsis californica var. argentata Milo Samuel Baker 1894-8-1 Modoc Forestdale, Comment
  JEPS114352  Thlaspi arvense Lowell Ahart, John Dittes 2008-6-21 15004 Modoc About 30 yards west of the levee, along a deep natural drainage, open meadow area, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber 1269 Comment
  CDA3891  Thlaspi arvense T. C. Fuller 1958-7-8 1936 Modoc Corporation Ranch, Likely. 0 Comment
  RSA504621  Thlaspi arvense Bruce Bartholomew, B. Anderson 1988-6-25 4379 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  UCD115583  Thlaspi arvense Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch. Comment
  JEPS54150  Thysanocarpus curvipes Frances D. Payne 1932-6-10 633 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UCD93181  Torreyochloa pallida var. pauciflora Beecher Crampton; Carl W. Rimbey 1954-7-6 2092 Modoc following Shields Creek into Warner Mountains, 20 miles east of Alturas. 1676 Comment
  UCD93194  Torreyochloa pallida var. pauciflora August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  CAS-BOT-BC54245  Townsendia scapigera Lemmon 1879-5-1 s.n. Modoc Modoc County. Comment
  JEPS117467  Tribulus terrestris Lowell Ahart, John Dittes 2010-8-31 17132 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS63189  Trichostema laxum W. I. Follett 1942-9-7 137 Modoc Lost River, E branch Comment
  CAS-BOT-BC179199  Trichostema oblongum Bruce Bartholomew; Barrett Anderson 1988-6-25 4400 A Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC179201  Trichostema oblongum Bruce Bartholomew 1994-7-1 6757 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  JEPS89594  Trichostema oblongum Dean W. Taylor 1990-8-22 11480 Modoc Lookout Rd. 2.3 mi. s. of junction w/ State Hwy. 139 (at crossing of small perennial drainage); Modoc Plateau 1424 Comment
  UC2029544  Trichostema simulatum Richard R. Halse 2012-8-30 8710 Modoc At the junction of State Highway 139 and the Lookout-Hackamore Road (N. F. Road 46 road to Bieber), ca. 16 miles northwest of Canby Comment
  UC416711  Trichostema simulatum Milo S. Baker 1899-8-12 Modoc Forestdale Comment
  SEINET7972666  Trichostema simulatum M. J. Williams 1985-8-13 85- 66 -4 Modoc Big Sage Reservoir, NW of Alturas 1524 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-BC181784  Trifolium cyathiferum Bruce Bartholomew 1990-6-17 5347 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC181786  Trifolium cyathiferum Annie Montague Alexander; L. Kellogg 1946-7-12 4979 Modoc Twelve Mile Creek. Comment
  UC71808  Trifolium cyathiferum Mrs. M. H. Manning 1904-7-7 465 Modoc near Fort Bidwell Comment
  RSA322037  Trifolium cyathiferum John M. Gillett, C. W. Crompton 1966-6-12 13012 Modoc Road to Egg Lake between Lookout and Modoc. Comment
  UC16472  Trifolium cyathiferum Milo S. Baker 1893-6-10 Modoc Comment
  SJSU7960  Trifolium hybridum H. L. Buckalew 1961-7-4 Modoc Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts. 1920 Comment
  UC748302  Trifolium kingii var. productum Annie M. Alexander and Louise Kellogg 1946-6-25 4821 Modoc Dismal Swamp Warner Mtns (n end of mtns) 2255 Comment
  CAS-BOT-BC181743  Trifolium longipes Bruce Bartholomew 1991-8-5 6043 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC181751  Trifolium longipes Bruce Bartholomew; Mona Bourell 1990-4-27 5187 Modoc Near SW corner of Big Sage Reservoir, 13.5 km NW of Hwy 299 on Crowder Flat Rd. 1510 Comment
  NY717187  Trifolium longipes B. M. Bartholomew 1990-7-20 5502 Modoc Tamarack Flat, east side of Warner Mountains 2150 Comment
  RSA531367  Trifolium longipes Bruce Bartholomew, B. Anderson 1990-7-20 5502 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  RSA582462  Trifolium longipes Louis C. Wheeler 1935-8-16 3879 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  JEPS118441  Trifolium longipes var. hansenii Lowell Ahart, John Dittes 2011-6-21 17525 Modoc About 250 yards west of the fence, about 250 yards east of the old barn, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  NY717264  Trifolium longipes var. hansenii R. J. Weatherby 1955-7-7 1604 Modoc Red Fir Forest. Dismal Swamp, northern Warner Mountains. 2240 Comment
  CAS-BOT-BC181740  Trifolium longipes var. oreganum Bruce Bartholomew; Barrett Anderson 1988-6-24 4305 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC498671  Trifolium macrocephalum Lillian Mott 1976-5-29 3 LM76 Modoc Big Sage Reservoir Road, Devil's Garden, N of Alturas 1402 Comment
  POM28805  Trifolium microcephalum R. M. Austin 1895-07 56 Modoc Goose Lake Valley. Comment
  HSC15154  Trifolium pratense M. T. Milligan 1965-6-26 334 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC181765  Trifolium productum Robert Patterson; Mona Bourell 1993-8-15 5273 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC81089  Trifolium productum G. M. Riegel 1980-7-26 935 Modoc South Warner Mountains 1829 Comment
  CAS-BOT-BC180161  Trifolium wormskioldii V. J. Wetherell 1961-8-9 486 Modoc Stowe Reservoir Campground, 1 mi. E of Cedar Pass. 1828 Comment
  JEPS121209  Trifolium wormskioldii Lowell Ahart, John Dittes 2013-7-24 18942 Modoc South margin of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC451867  Triglochin maritima H. D. Ripley; R. C. Barneby 1944-5-30 5985 Modoc North of Likely 1371 Comment
  CHSC109886  Triteleia hyacinthina B. Castro; L. P. Janeway 2012-7-25 1959 Modoc Warner Mountains. Slope along N side of Dismal Swamp, along sides of rough gravel road going N out of swamp, just above more mesic sites dominated by Artemisia cana. 2218 Comment
  CAS-BOT-BC58559  Turritis glabra Bruce Bartholomew; Barrett Anderson 1988-7-22 4511 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CAS-BOT-BC58560  Turritis glabra John Thomas Howell 1934-6-12 12021 Modoc Plum Valley, Warner Mts. Comment
  CAS-BOT-BC58561  Turritis glabra Bruce Bartholomew 1991-7-6 5958 Modoc 2 km above Lower Rush Creek Campground along Rush Creek. 1500 Comment
  CAS-BOT-BC242295  Typha latifolia Bruce Bartholomew 1991-7-6 5959 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  CAS-BOT-BC404161  Urtica dioica subsp. holosericea John Thomas Howell 1934-6-15 12191 Modoc Alturas Comment
  UCD121830  Utricularia intermedia Barry Rice 2007-5-28 BR 070504 Modoc Western edge of Egg Lake. 1295 Comment
  JEPS9177  Utricularia macrorhiza W. L. Jepson 1918-8-11 7935 Modoc Alturas 1371 Comment
  UC1445790  Utricularia macrorhiza Franklin P. Nutting 1894-6-13 Modoc w. side Egg Lake Comment
  CAS-BOT-BC179194  Utricularia vulgaris B. Bartholomew 1995-7-30 7074 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment