Search Results — 2000 specimen records retrieved (1488 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR78712  Abies concolor var. lowiana David A. Charlet 1989-8-15 495 Modoc Warner Mtns., 1.7 km NW of Eagle Peak 2500 Comment
  CAS-BOT-BC15628  Achillea millefolium Elmer Ivan Applegate 1932-7-31 7971 Modoc Mill Creek Meadow, western slopes of Warner Mts. Comment
  CAS-BOT-BC15671  Achillea millefolium Bruce Bartholomew 1989-7-15 5000 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC15675  Achillea millefolium Bruce Bartholomew 1990-6-18 5363 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  HSC4560  Achillea millefolium M. T. Milligan 1965-6-23 297 Modoc N end Jess Valley 1616 Comment
  UC1037173  Achnatherum hymenoides Leo Whitney 1935-7-21 3534 Modoc cemetary Alturas Comment
  UC1024716  Achnatherum lemmonii Leo Whitney 1935-5-20 3096 Modoc near Spaulding's Butte (Hackamore, ca. 15 mi nw of Canby); Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC242324  Achnatherum lettermanii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10533 Modoc Pattewrson Ranger Station (East Creek drainage). 2164 Comment
  UCD50893  Achnatherum occidentale L. Whitney 1935-7-3 s.n. Modoc Badger Well, Modoc County, California. Comment
  UCD51218  Achnatherum occidentale subsp. pubescens R. Tofsrud 1947-7-1 244 Modoc 5 mi. W. of Ft. Bidwell. Comment
  JEPS491  Achnatherum thurberianum L. S. Smith 1917-6-20 48 Modoc Warner Mts. 1828 Comment
  RSA163786  Achnatherum thurberianum Clare B. Hardham 1961-6-19 7859 Modoc Willow Creek. Warner Mountains. Comment
  UC1037189  Achnatherum thurberianum Leo Whitney 1935-7-28 3555 Modoc near Clear Lake Comment
  SBBG128893  Acmispon americanus var. americanus L. Ahart 2008-8-25 15302 Modoc W bank (flood plane) of the Pit River, ca. 1/8 mi E of County Rd 91, ca. 3.8 mi (air) NNE of Lookout 1273 Comment
  SBBG30557  Acmispon denticulatus D. Myrick 1968-6-20 1982 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  UC748227  Aconitum columbianum Annie M. Alexander and Louise Kellogg 1946-7-29 5082 Modoc s. slope Emerson Peak; Warner Mts., Emerson Peak 2438 Comment
  UC8852  Actaea rubra Milo S. Baker 1893-6 Modoc Comment
  HSC69608  Adenocaulon bicolor Gary Schoolcraft 1980-7-22 323 Modoc Lake City Canyon 1890 Comment
  UC29325  Adenocaulon bicolor Milo S. Baker 1893-6 Modoc along timbered mt. stream Comment
  UCSC000819  Adenocaulon bicolor Milo S. Baker June-August 1893 s.n. Modoc Comment
  CAS-BOT-BC218330  Adonis aestivalis Bruce Bartholomew 1995-6-4 6960 Modoc 1.1 km E of Canby on State Hwy 299. 1280 Comment
  RSA504667  Adonis aestivalis K. Paulson, R. Paulson 1988-6-10 22 Modoc SW of Dorris Reservoir. 1341 Comment
  CAS-BOT-BC179878  Agastache urticifolia K. Paulson; Robert Paulson 1989-7-2 166 Modoc Happy Camp Lookout. 1850 Comment
  CAS-BOT-BC179879  Agastache urticifolia Robert Patterson; Mona Bourell 1993-8-15 5266 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC179887  Agastache urticifolia Leland S. Smith 1924-6-20 1421 Modoc Curtis Water Hole. 1310 Comment
  HSC14180  Agastache urticifolia M. T. Milligan 1966-7-3 537 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  UC1191787  Agastache urticifolia Verne Grant and Irving Schneider 1947-7-22 8158 Modoc one mi nw of Highway 395 on dirt road leading to s end Goose Lake (headwaters North Fork Pit River); , s end Goose Lake Comment
  UC748039  Agastache urticifolia Annie M. Alexander and Louise Kellogg 1946-7-11 4963 Modoc slope w Eight Mile Creek (ne corner of Modoc County); slope w of Eight Mile Creek Comment
  POM70467  Agastache urticifolia Mrs. R. M. Austin 1898-06 2195 Modoc Foothills, Goose Lake. Comment
  CAS-BOT-BC15601  Ageratina occidentalis Bruce Bartholomew 1989-8-13 5141 Modoc Top of Manzanita Mountain. 2090 Comment
  JEPS6012  Ageratina occidentalis Frances D. Payne 1933-8-6 774 Modoc 2 mi sw Warren Mt. (se Modoc County); Pine Creek Basin 2316 Comment
  CHSC19740  Agoseris M. T. Mulligan 1965-6-26 328 Modoc Eagle Peak Region, Warner Mountains. North end Jess Valley. 1615 Comment
  CAS-BOT-BC21367  Agoseris aurantiaca Bruce Bartholomew 1990-8-4 5622 Modoc Slope on N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2380 Comment
  CAS-BOT-BC21365  Agoseris aurantiaca var. aurantiaca Annie M. Alexander; Louise Kellogg 1946-7-23 5040 Modoc Emerson Peak, Warner Mountains Comment
  POM203851  Agoseris heterophylla John T. Howell 1934-6-12 12013 Modoc Between Davis Creek and Plum Valley Comment
  JEPS36224  Agoseris monticola W. L. Jepson 1918-8-13 7970 Modoc Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  CAS-BOT-BC126783  Agoseris parviflora John Thomas Howell 1934-6-13 12079 Modoc Fandango Pass, Warner Mts. 1828 Comment
  CAS-BOT-BC126789  Agoseris parviflora Alice Eastwood; John Thomas Howell 1940-6-11 8029 Modoc 8 miles from Canby on road to Alturas Comment
  UC1332115  Agoseris parviflora Alice Eastwood and John Thomas Howell 1940-6-11 8029 Modoc 8 mi from, on rd to Alturas Canby 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
  UCD57174  Agropyron cristatum B. L. Kay 1957-6-1 s.n. Modoc Modoc Co. Comment
  CHSC112050  Agropyron cristatum subsp. pectinatum Lowell Ahart; John Dittes 2012-7-11 18346 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  JEPS114847  Agropyron desertorum Lowell Ahart, John Dittes 2008-6-21 15016 Modoc On the north side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber 1264 Comment
  SDSU728  Agropyron inerme D. F. Howe 1966-8-25 4299 Modoc Fandango Pass, Warner Mts. 1859 Comment
  UCD32700  Agropyron spicatum Beecher Crampton 1954-7-6 2116 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  JEPS123866  Agrostis exarata Lowell Ahart, John Dittes 2015-7-16 20394 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UCD52381  Agrostis exarata August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  CAS-BOT-BC139099  Agrostis pallens John Thomas Howell 1934-7-3 12377 Modoc 5 miles south of Hackamore. Comment
  CAS-BOT-BC242421  Agrostis scabra R. S. Ferris; L. Lorraine 1941-8-13 10567 Modoc East Creek about 1 mile east of Patterson Ranger Station, Warner Mountains Comment
  CAS-BOT-BC242417  Agrostis variabilis Bruce Bartholomew; Barrett Anderson 1988-7-23 4576 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC190686  Aliciella lottiae Bruce Bartholomew 1991-5-24 5718 Modoc Surprise Valley, 7.7 km NE of County Rd. 37 on County Rd. 38, at the Nevada State boundary. 1370 Comment
  RSA531344  Aliciella micromeria Bruce Bartholomew, B. Anderson 1989-6-2 4820 Modoc SE corner of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  POM313033  Alisma gramineum H. L. Mason 1955-8-13 14653 -B Modoc Southwest side of Goose Lake Comment
  JEPS121232  Alisma triviale Lowell Ahart, John Dittes 2013-7-24 18923 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  RSA210815  Alisma triviale Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39106 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC245007  Allium acuminatum Bruce Bartholomew 1990-6-17 5306 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC245011  Allium acuminatum Clare Butterworth Hardham 1961-6-18 7566 Modoc E side Cedar Pass. 1524 Comment
  JEPS56347  Allium acuminatum L. S. Smith 1918-6-26 938 Modoc Buck Creek Ranger Station Warner Range, Buck Creek Ranger Station 1600 Comment
  UC1037237  Allium acuminatum Leo Whitney 1934-5-22 1919 Modoc flat near Timbered Mountain; Modoc National Forest, Devil's Garden 1524 Comment
  JEPS13885  Allium acuminatum Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3750 Modoc 3.3 mi w Fandango Pass; Fandango Valley 1706 Comment
  SJSU9707  Allium acuminatum W. Savage 1979-7-10 1525 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  HSC29864  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19477 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  UCD141838  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. Comment
  JEPS79133  Allium campanulatum L. R. Heckard with R. Bacigalupi 1980-6-10 5235 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  CAS-BOT-BC244983  Allium lemmonii K. Paulson; Robert Paulson 1988-6-11 33 Modoc North of Stough Reservoir, Warner Mts.. 2011 Comment
  CAS-BOT-BC244977  Allium platycaule John H. Hatton 1911-6-13 68 Modoc Rush Creek. 1371 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
  JEPS13888  Allium platycaule Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3747 Modoc about 200 ft above and s Cedar Pass; Warner Mountains 1981 Comment
  JEPS47618  Allium platycaule L. S. Smith 1919-6-8 1123 Modoc Deep Creek Warner Mts., Deep Creek 1554 Comment
  JEPS47623  Allium platycaule Mary H. Manning 1914-4-29 Modoc Lake City-road Lake City Comment
  RSA59817  Allium tolmiei E. K. Balls 1950-5-18 14767 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UC1036059  Allium tolmiei var. tolmiei Annie M. Alexander and Louise Kellogg 1946-6-26 4835 Modoc Dismal Swamp, n. end of Warner Mts. Warner Mts., Dismal Swamp 2255 Comment
  CAS-BOT-BC244957  Allium tolmiei var. tolmiei D. Toren; Barbara Trowbridge 1975-6-19 5246 Modoc Jess Valley to Blue Lake. 1524 Comment
  CDA28190  Alopecurus aequalis T. C. Fuller 1958-7-8 1955 Modoc Likely/Alturas. 0 Comment
  JEPS119963  Alopecurus aequalis var. aequalis Lowell Ahart, John Dittes 2012-7-10 18308 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
  UC60733  Alopecurus geniculatus M. S. Baker and Frank Nutting 1894-6-25 Modoc Little Hot Spring Valley Comment
  CDA18403  Alopecurus pratensis G. D. Barbe, P. Hiatt & M. Keffer 1980-6-4 2803 Modoc Modoc Plateau; Eastside Canal/ Railroad crossing on Westside Road, north of Likely. 1341 Comment
  JEPS114845  Alopecurus pratensis Lowell Ahart, John Dittes 2008-6-21 14988 Modoc On dry soil, about 10 yards north of a large culvert, on the large levee mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  CHSC67091  Alyssum desertorum James D. Jokerst 1987-5-12 2854 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  CAS-BOT-BC58601  Alyssum simplex S. Saufferer 1973-5-5 131 Modoc About 7.5 mi. S of Pine Creek along Highway 395. Comment
  CAS-BOT-BC21493  Amaranthus blitoides Bruce Bartholomew 1991-10-13 6114 Modoc 3.5 km ENE of Alturas on U.S. Hwy 395 at bridge over N Fork of the Pit River. 1400 Comment
  SEINET7903489  Amaranthus blitoides R. 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. 1619 Comment
  JEPS127161  Amaranthus californicus Lowell Ahart, John Dittes 2016-7-16 21253 Modoc South of Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.7 miles (air) southwest of Adin Big Valley. Comment
  JEPS114664  Amaranthus powellii Lowell Ahart, John Dittes 2008-8-25 15290 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  JEPS117481  Amaranthus powellii Lowell Ahart, John Dittes 2010-8-31 17107 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  HSC65381  Amaranthus retroflexus Thomas Wood 1979-8-8 213 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  UC71785  Ambrosia acanthicarpa Mrs. M. H. Manning 1904-1-1 393 Modoc near(?) Fort Bidwell Comment
  UC2048631  Amelanchier C. S. Campbell 2018-5 08026 Modoc Road up Manzanita Mt. Comment
  RSA0025585  Amelanchier John F. Emmel 1996-7-15 1433 Modoc Warner Mtns; ridge 1.1-1.5 air mi south and 0.3-0.5 air mi west of Emerson Peak. 2409 Comment
  HSC80690  Amelanchier pallida G. M. Riegel 1976-7-3 452 Modoc S Warner Mtns. 1670 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-BC214632  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1989-4-27 4611 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC217086  Amelanchier utahensis Elmer Ivan Applegate 1932-7-9 7589 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  JEPS114429  Amelanchier utahensis Lowell Ahart, John Dittes 2008-8-26 15349 Modoc Northwest side of Rose Creek, 750 feet northeast 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
  SBBG27371  Amelanchier utahensis C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi NE of Alturas 1615 Comment
  UC12079  Amelanchier utahensis Mrs. R. M. Austin and Bruce Jun 1898 2346 Modoc Goose Lake valley; Goose Lake Comment
  UC914261  Amelanchier utahensis Verne Grant and Alva Grant 1947-7-8 8006 Modoc Cedar Pass; Warner Mts. Comment
  UCD150427  Amphiscirpus nevadensis T. S. 1966-6-17 s.n. Modoc Goose Lake. Comment
  CAS-BOT-BC54156  Amsinckia menziesii Elmer Ivan Applegate 1929-6-25 5908 Modoc Willow Ranch, Goose Lake. Comment
  JEPS126551  Amsinckia menziesii Lowell Ahart, John Dittes 2016-6-6 20942 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC54162  Amsinckia tessellata var. tessellata Alice Eastwood; John Thomas Howell 1940-6-11 8025 Modoc 8 mi. from Canby on road to Alturas. Comment
  UC1061759  Amsinckia tessellata var. tessellata M. H. Mitchell 1936-5-21 48 Modoc 2 mi se Hospital Rock; Modoc Lava Beds National Monument 1249 Comment
  UC71689  Anaphalis margaritacea Mrs. M. H. Manning 1903-9-3 373 Modoc John Henry Camp Comment
  CAS-BOT-BC15605  Ancistrocarphus filagineus Alice Eastwood; John Thomas Howell 1940-6-15 8298 Modoc 5 mi. N of Lookout. Comment
  CAS-BOT-BC15607  Ancistrocarphus filagineus Bruce Bartholomew 1991-6-22 5860 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  HSC80752  Anemone drummondii G. M. Riegel 1979-7-24 602 Modoc S Warner Mtns., plot 124 1829 Comment
  UCR34692  Antennaria J. A. Harpel 1981-8-6 V- 33 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  HSC81143  Antennaria argentea G. M. Riegel 1980-7-29 906 Modoc S Warner Mtns. 1829 Comment
  JEPS33961  Antennaria argentea F. H. Frost 1925-7-11 11 Modoc 2 mi above, Cedar Canyon campsite Cedarville; Cedar Canyon Comment
  SJSU8153  Antennaria argentea R. L. Fisher 1958-6-13 Modoc near Adin Pass, 6 mi S of Canby 1524 Comment
  CAS-BOT-BC15576  Antennaria dimorpha Bruce Bartholomew; Mona Bourell 1990-4-28 5199 Modoc 0.3 km S of Davis Creek on Hwy 395. 1450 Comment
  UC1037296  Antennaria dimorpha Leo Whitney 1934-5-19 1653 Modoc Devil's Garden, (ne portion of county) Modoc National Forest 1524 Comment
  JEPS33941  Antennaria dimorpha L. S. Smith 1918-1-1 770 Modoc Modoc National Forest Comment
  CAS-BOT-BC15588  Antennaria geyeri John Thomas Howell 1934-6-30 12255 Modoc Duncan Horse Camp. 1355 Comment
  UC29493  Antennaria geyeri Mrs. R. M. Austin Jun 1894 Modoc near Willow Creek Comment
Read comments
Jul 6 2010
  CAS-BOT-BC15591  Antennaria luzuloides Mrs. H. C. Cantelow 1940-6-2 3236 Modoc 9.3 mi. N of Canby, Lava Country Comment
  CAS-BOT-BC15597  Antennaria luzuloides E. S. Willits 1940-5-6 229 Modoc Davis Creek. Comment
  CAS-BOT-BC58683  Antennaria luzuloides Mrs. R. M. Austin 1894-7-1 s.n. Modoc Goose Lake Valley Comment
  CAS-BOT-BC15595  Antennaria luzuloides Leland S. Smith 1924-6-23 1430 Modoc Modoc County. Comment
  UC1302430  Antennaria luzuloides Clare B. Hardham 1961-6-18 7556 Modoc hills 3 mi se Cedar Pass; Warner Mountains Comment
  RSA606135  Antennaria rosea L. C. Wheeler 1935-8-8 3808 Modoc Warner Mountains: N Fork Bidwell Creek. 2378 Comment
  CAS-BOT-BC15558  Antennaria rosea subsp. rosea Annie Montague Alexander; L. Kellogg 1946-7-11 4973 Modoc Mesa W of Eight Mile Creek. Comment
  CAS-BOT-BC15564  Antennaria umbrinella Robert Patterson; Mona Bourell 1993-8-15 5278 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  SD149188  Apocynum androsaemifolium B. Bartholomew, B. Anderson 1988-7-21 4410 Modoc Whitehorse Mountains, 11 km north of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC218332  Aquilegia formosa var. formosa Annie Montague Alexander; L. Kellogg 1946-7-24 5062 Modoc On trail to Emerson Camp, Bear Camp Flat, Warner Mts. Comment
  CAS-BOT-BC218334  Aquilegia formosa var. formosa Elmer Ivan Applegate 1933-8-2 8080 Modoc Mill Creek Meadows, Warner Mts. Comment
  HSC18043  Aquilegia formosa var. formosa M. T. Milligan 1965-6-26 331 Modoc N end Jess Valley. 1616 Comment
  HSC6520  Arabis glabra M. T. Milligan 1965-6-26 332 Modoc N end Jess Valley. 1616 Comment
  SEINET5340266  Arabis holboellii var. pendulocarpa R. C. Rollins, K. W. Rollins 1981-6-1 81194 Modoc Warner Mountains, ca. 2 miles north of summit of road between Lake City and U.S. Hwy. 395. Comment
  JEPS53115  Arabis puberula Mrs. C. C. Bruce Jun 1898 2247 Modoc Goose Lake hills Goose Lake Comment
  NY119571  Arabis sparsiflora A. J. Cronquist 1959-6-20 8526 Modoc At Cedarville Pass; Warner Mtns., between Cedarville and Alturas 1950.7 Comment
  UC465861  Arceuthobium campylopodum Franklin P. Nutting Aug 1920 Modoc nera Forestdale Big Valley Mtns Comment
  CAS-BOT-BC95656  Arctostaphylos patula Louis Cutter Wheeler 1935-9-16 3987 Modoc Everly Reservoir, Devil's Garden. 1524 Comment
  JEPS51416  Arenaria aculeata L. S. Smith 1917-6-10 33 Modoc Warner Mts., Jess Valley 1524 Comment
  RSA17681  Arenaria aculeata Elmer I. Applegate 1932-7-9 7600 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  UC748051  Arenaria aculeata Annie M. Alexander and Louise Kellogg 1946-6-27 4846 Modoc (top of ridge, two miles by road from Dismal Swamp) north end of Warner Mountains 2377 Comment
  JEPS35870  Arnica chamissonis Frances D. Payne 1931-6-29 293 Modoc Owl Creek (s slope) Warner Mountains, Warren Peak, Owl Creek 2286 Comment
  CAS-BOT-BC15409  Arnica cordifolia Leland S. Smith 1919-6-8 1125 Modoc Deep Creek. 1828 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
  HSC4680  Arnica cordifolia M. T. Milligan 1964-6-25 92 Modoc Upper Lassen Creek 1829 Comment
  SEINET3082315 Image available Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 miles northeast of Alturas 1680 Comment
  UC1437361  Arnica cordifolia Clare B. Hardham 1961-6-18 7587 Modoc Cedar Pass; Warner Mountains 1828 Comment
  CAS-BOT-BC15402  Arnica cordifolia John H. Hatton 1911-6-13 65 Modoc Rush Creek Canyon. 1280 Comment
  CAS-BOT-BC15414  Arnica cordifolia Roxana Stinchfield Ferris; R. Duthie 1919-6-14 74 Modoc Warner Mts. Comment
  HSC4691  Arnica cordifolia M. T. Milligan 1965-6-27 366 Modoc E slope of eroded volcanic plateau. 1677 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-BC15291  Arnica mollis R. M. Austin 1898-7-1 2183 Modoc Head Davis Creek. Comment
  CHSC109743  Arnica mollis B. Castro; L. P. Janeway 2012-7-27 1976 Modoc Warner Mountains. At upper (SE) edge of Mineral Spring, 0.3 air mi east of Yellow Mountain. Moist opening surrounded by lodgepole pine forest; on NW side of road. 2331 Comment
  JEPS103190  Arnica mollis G. Schoolcraft 2000-7-17 2913 Modoc N Warner Mountains 1981 Comment
  CAS-BOT-BC82765  Arnica mollis Frances Payne 1929-7-12 99 Modoc Upper Silver Creek, Warner Mts. 2499 Comment
  UC91032  Arnica parryi Mrs. R. M. Austin 1894-8-1 309 Modoc Lassen Creek Comment
Read comments
Feb 28 2007
  CAS-BOT-BC15295  Arnica sororia Alice Eastwood; John Thomas Howell 1940-6-12 8088 Modoc Jess Valley. Comment
  CAS-BOT-BC15297  Arnica sororia Annie Montague Alexander; L. Kellogg 1946-6-14 4748 Modoc 0.25 mi. on branch of Silver Creek, Patterson Mill Road. 1828 Comment
  CHSC115055  Arnica sororia Jessica O'Brien 2014-9-24 Modoc 1364 Comment
  JEPS118462  Arnica sororia Lowell Ahart, John Dittes 2011-6-21 17530 Modoc Moist meadow, on south edge of Ash Creek Floodplain, 1.8 miles (air) east of Elkins Lane, 1.2 miles (air) south of County Road 87, 2.5 miles (air) west of Adin, Big Valley 1267 Comment
  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
  SEINET3396706  Artemisia arbuscula subsp. longicaulis S. C. McArthur, E. D. McArthur 1986-1 1558 Modoc 2.6 mi S of California line & 15 mi N of Ft. Bidwell 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
  UCR67454  Artemisia douglasiana George K. Helmkamp 1990-9-23 I- 17 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  RSA607284  Artemisia ludoviciana subsp. candicans L. C. Wheeler 1935-8-14 3848 Modoc Sunny lake shore above high water line Lily Lake, Pine Creek, Warner Mts. 2073 Comment
  UC748333  Artemisia ludoviciana subsp. candicans Annie M. Alexander and Louise Kellogg 1946-7-6 4912 Modoc 3.5 mi w Eagleville Comment
  CAS-BOT-BC15258  Artemisia ludoviciana subsp. incompta Alice Eastwood; John Thomas Howell 1940-6-13 8171 Modoc Cedarville. Comment
  CHSC96351  Artemisia ludoviciana subsp. incompta Richard R. Halse 2006-8-4 6994 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  JEPS37031  Artemisia ludoviciana subsp. incompta L. S. Smith 1918-8-12 1032 Modoc Camp One 2499 Comment
  CDA13461  Artemisia ludoviciana subsp. ludoviciana G. F. Hrusa, T. D. Wilfred 1996-7-21 13308 Modoc Modoc Plateau; Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC106199  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; John Dittes 2010-8-31 17099 Modoc On the east 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
  JEPS114661  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2008-8-25 15278 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  JEPS117170  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2010-8-30 17050 Modoc High bank of a small wash, about 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC71701  Artemisia ludoviciana subsp. ludoviciana Mrs. M. H. Manning 1902-10-4 21 Modoc Mt. Bidwell Comment
  JEPS90448  Artemisia michauxiana Dean Wm. Taylor with Glenn Clifton 1989-8-5 10442 Modoc cirque headwall above South Emerson Lake; Warner Mountains, Emerson Creek drainage 2560 Comment
  HSC5017  Artemisia tridentata subsp. tridentata M. T. Milligan 1966-8-11 650 Modoc E of Jess Valley 1677 Comment
  SEINET3397747  Artemisia tridentata subsp. tridentata Unknown 1994-1 s.n. Modoc Newell Comment
  SEINET3397748  Artemisia tridentata subsp. vaseyana Unknown 1994-1 s.n. Modoc 10 mi. S. of Newell Comment
  HSC1978  Asclepias cordifolia M. T. Milligan 1965-6-30 392 Modoc E of Jess Valley 1677 Comment
  HSC80946  Asclepias cordifolia G. M. Riegel 1980-7-9 861 Modoc S Warner Mtns. 1670 Comment
  HSC80947  Asclepias cordifolia G. M. Riegel 1980-7-9 861 Modoc S Warner Mtns. 1670 Comment
  SEINET195716  Asclepias fascicularis Annie M. Alexander, Louise Kellogg 1946-7-7 4922 Modoc Lake Annie. Comment
  UC105340  Asclepias fascicularis Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  CAS-BOT-BC497459  Asclepias speciosa B. Bartholomew 1995-7-31 7079 Modoc 1.6 km S of Foest Service road 30on US Hwy 395 along the N fork of the Pit River 1390 Comment
  JEPS121197  Asclepias speciosa Lowell Ahart, John Dittes 2013-7-25 18955 Modoc About 30 yards S of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  RSA520444  Asclepias speciosa Bruce Bartholomew 1990-6-17 5285 Modoc Surprise Valley, SW side of Lower Alkali lake, 1.8 km N of Lassen County border. 1370 Comment
  UCR74620  Aster eatonii R. D. Goeden, Don W. Ricker 1989-8-23 890823- 25 Modoc Modoc National Forest, South Main Road, near Crowder Flat 1550 Comment
  POM39759  Aster eatonii Mrs. R. M. Austin 1895-08 578 Modoc Goose Lake Comment
  UCR67032  Aster frondosus George K. Helmkamp 1990-9-23 J- 16 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  RSA608617  Aster integrifolius L. C. Wheeler 1935-8-16 3888 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC497207  Asteraceae Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8390 Modoc About 2.5 mi upgrade on Fandango Pass from the E side Comment
  JEPS124306  Astragalus Lowell Ahart, John Dittes 2015-7-15 20342 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
  SJSU13943  Astragalus californicus N. A. Hopkins 1985-5-13 1272 Modoc by rd between Alturas & Cedarville, Warner Mts 1524 Comment
  SEINET5325009  Astragalus curvicarpus var. curvicarpus M. J. Williams 1984-6-29 84- 74 -1 Modoc 4.8 mi in on Fandango Pass road from Hwy 395. 1524 Comment
  UC727152  Astragalus curvicarpus var. curvicarpus A. A. Heller 1938-6-24 15225 Modoc on banks along U.S. Highway #299 between Alturas and Canby; between Alturas and Canby 1341 Comment
  CAS-BOT-BC182069  Astragalus filipes Annie Montague Alexander; L. Kellogg 1946-6-12 4743 Modoc Fandango Pass road. Comment
  CAS-BOT-BC182070  Astragalus filipes Elmer Ivan Applegate 1897-5-31 881 Modoc Bloody Point, E side of Tule Lake. Comment
  CAS-BOT-BC182072  Astragalus filipes Gordon H. True 1964-6-3 1430 Modoc Surprise Valley, 10 mi. N of Cedarville. 1463 Comment
  CAS-BOT-BC182068  Astragalus filipes Mrs. H. C. Cantelow 1940-5-31 3797 Modoc E of Canby. Comment
  CAS-BOT-BC182964  Astragalus filipes Margaret J. Williams 1983-7-31 83- 125 -1 Modoc Ash Valley road, 17 mi from Aden 1828 Comment
  HSC14514  Astragalus filipes R. C. Wunner 1965-6-13 164 Modoc Lava Beds National Monument, Gillems Camp near old dump. 1220 Comment
  RSA152721  Astragalus filipes I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16433 Modoc S facing slope 4 miles E of summit of Cedar Pass, betw Alturas and Cedarville Comment
  POM253263  Astragalus gibbsii A. A. Heller 1938-6-24 15225 Modoc U. S. Highway 299, between Alturas and Canby. 1341 Comment
  CAS-BOT-BC182052  Astragalus malacus Bruce Bartholomew 1995-5-13 6911 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1480 Comment
  NY676225  Astragalus malacus B. M. Bartholomew 1995-5-13 6911 Modoc 4.8 km west of Eagleville, east side of the south end of Surprise Valley 1480 Comment
  CAS-BOT-BC182050  Astragalus obscurus Bruce Bartholomew 1993-6-14 6663 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC182041  Astragalus purshii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6540 Modoc Just W of West Valley Reservoir. 1460 Comment
  HSC26612  Astragalus purshii var. purshii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19367 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  RSA415670  Astragalus purshii var. purshii Christopher Davidson 1973-5-24 2103 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  CHSC67107  Astragalus purshii var. tinctus James D. Jokerst 1987-5-12 2849 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  RSA101378  Astragalus purshii var. tinctus R. Weatherby 1955-7-8 1636 Modoc 3 miles north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  CAS-BOT-BC182012  Astragalus whitneyi var. lenophyllus C. L. Hitchcock 1940-5-27 6693 Modoc 15 mi. NE of Alturas. 1615 Comment
  RSA0017009  Astragalus whitneyi var. siskiyouensis I. L. Wiggins, Dorothy B. Wiggins 1961-6-16 16525 Modoc 6.4 mi. W of Canby. Comment
  SEINET948800  Astragalus whitneyi var. siskiyouensis Ira L. Wiggins, Dorothy B. Wiggins 1961-1 16525 Modoc Yellow Pine Forest 6.4 mi W of Canby Comment
  CAS-BOT-BC198675  Astragalus whitneyi var. whitneyi John Thomas Howell 1934-6-14 12142 Modoc Near Lost Lake, Warnter Mts. 2438 Comment
  UC10230  Athysanus pusillus Mrs. R. M. Austin june, 1894 Modoc Comment
  CAS-BOT-BC15143  Balsamorhiza X terebinthacea Alice Eastwood; John Thomas Howell 1940-6-12 8079 Modoc Jess Valley. Comment
  CHSC117885  Balsamorhiza sagittata L. P. Janeway 2016-5-18 12060 Modoc Modoc Plateau. Northeast corner of the Devils Garden area; along Road 47N37 0.6 km north of Road 73/181/47N09. 1626 Comment
  HSC5179  Balsamorhiza sagittata M. T. Milligan 1965-6-26 342 Modoc E slope 1677 Comment
  RSA60231  Balsamorhiza serrata E. K. Balls 1950-5-13 14672 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line. 1463 Comment
  CAS-BOT-BC58628  Barbarea orthoceras Bruce Bartholomew 1992-5-16 6313 Modoc Wet pasture just E of the town of Davis Creek. 1480 Comment
  CAS-BOT-BC58633  Barbarea orthoceras Annie Montague Alexander; L. Kellogg 1946-7-17 5009 Modoc Benton Meadow, Warner Mts. 2072 Comment
  CAS-BOT-BC58671  Barbarea orthoceras Margaret J. Williams; Thad Holcomb; Betty Holcomb; L. Saxton 1988-5-28 80- 21 -1 Modoc Crowser Flat road, W of Alturas. Road leads to Devil's Garden and Big Sage Reservoir and is near Hwy 299. Comment
  CAS-BOT-BC58675  Barbarea orthoceras Annie Montague Alexander; L. Kellogg 1946-6-22 4818 Modoc Edge of Bidwell Creek, Warner Mts. Comment
  HSC6577  Barbarea orthoceras M. T. Milligan 1964-7-25 181 Modoc Pine Creek Basin, along trail. 2439 Comment
  UC10248  Barbarea orthoceras Mrs. R. M. Austin July, 1894 Modoc Davis Creek Comment
  CAS-BOT-BC95511  Bassia hyssopifolia Bruce Bartholomew; Barrett Anderson 1990-7-21 5551 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  JEPS117917  Bassia hyssopifolia L. P. Janeway, B. Castro 2008-8-16 9547 Modoc Surprise Valley Modoc Plateau (east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville) 1378 Comment
  RSA624497  Bassia hyssopifolia L. C. Wheeler 1935-10-10 4035 Modoc Alturas. 1356 Comment
  CAS-BOT-BC248385  Beckmannia syzigachne Peter H. Raven; Otto T. Solbrig 1958-6-17 13304 Modoc Along United States Highway 299, 2.6 miles west of Alturas Comment
  RSA603673  Beckmannia syzigachne L. C. Wheeler 1935-10-5 4019 Modoc N Fork Pit River at Parker Creek. 1372 Comment
  UC1100215  Beckmannia syzigachne Herbert L. Mason 1947-7-11 13367 Modoc irrigation ditch by Jones Lane (off Hwy 395, s of Alturas) Comment
  UCD56786  Beckmannia syzigachne A. A. Beetle 1944-8-17 3037 Modoc 1 mile south of Alturas. Comment
  UC472310  Berberis aquifolium var. aquifolium Franklin P. Nutting 1890-1 Modoc Big Valley Mts Comment
  HSC65327  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1973-8-9 7264 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  UC9770  Berberis aquifolium var. repens Mrs. R. M. Austin Aug. 1894 Modoc Lassen Creek Comment
  CAS-BOT-BC76022  Berberis repens James Vale; Keith Wagnon; Walter Knight; Irja Knight 1981-5-21 4124 Modoc Warner Mountains. Stowe Reservoir Road about 4 miles past highway #299. 2133 Comment
  SEINET256813  Berberis repens M. J. Williams 1984-6-29 84 -725 Modoc Cave Lake W side of the Warner Mtns 2134 Comment
  SEINET6426068 Image available Bergia texana Herbert L. Mason 1947-1 13462 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas Comment
  CAS-BOT-BC21486  Berula erecta Elmer Ivan Applegate 1932-8-6 8202 Modoc Spring in desert, W side of Middle Lake. Comment
  NY1102124  Berula erecta G. Schoolcraft 1990-7-11 2105 Modoc About 2 miles west of West Valley Reservoir 1494 Comment
  NY526322  Betula occidentalis B. M. Bartholomew 1993-5-10 6468 Modoc Along Emerson Creek below Emerson Campground, east side of Warner Mountains 1600 Comment
  UC615021  Betula occidentalis Beryl O. Schreiber 1934-6-11 1178 Modoc along creek <on> road to Patterson Mill Ranger Station; Warner Mountains, east Silver Creek Comment
  UC748347  Betula occidentalis Annie M. Alexander and Louise Kellogg 1946-6-14 4746 Modoc edge Barber Creek; Patterson Mill Road 1798 Comment
  CAS-BOT-BC497326  Betula occidentalis John Thomas Howell 1934-6-13 12095 Modoc Warner Mts., Patterson Mill Road 1676 Comment
  CDA39611  Betula occidentalis T. C. Fuller 1971-7-14 19907 Modoc South Barber Creek at crossing with Barber Grade. 0 Comment
  UC1192190  Bidens cernua Herbert L. Mason and Verne Grant 1947-7-12 13431 Modoc n of Likely (s loop of w side road) Comment
  CDA10502  Bidens cernua G. D. Barbe 1985-8-29 4249 Modoc West of Westside Road, South Fork of Pit River south of Alturas. 0 Comment
  CAS-BOT-BC15150  Bidens laevis Doris K. Kildale 1926-9-11 2770 A Modoc Alturas. 1371 Comment
  HSC17476  Bistorta bistortoides M. T. Milligan 1966-7-3 538 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC15082  Blepharipappus scaber David Daniels Keck; Jens Chr. Clausen 1935-6-24 3711 Modoc 3 mi. NE of Willow Ranch E of Goose Lake. 1550 Comment
  CAS-BOT-BC15089  Blepharipappus scaber Alice Eastwood; John Thomas Howell 1940-6-12 8067 Modoc Between Likely and Jess Valley. Comment
  CHSC115499  Blepharipappus scaber L. P. Janeway 2014-7-8 11454 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along west edge of Goose Lake). 1650 Comment
  CHSC118294  Blepharipappus scaber L. P. Janeway 2016-5-17 12015 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  JEPS114489  Blepharipappus scaber Lowell Ahart, John Dittes 2008-8-25 15295 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC15080  Blepharipappus scaber Milo Samuel Baker 1936-6-15 8339 Modoc About 6 mi. from Cedar Pass Camp, Warner Mts. toward Alturas. Comment
  HSC42414  Blepharipappus scaber Barbara Kelly 1977-8-9 579 Modoc Upper Rush Creek Campground N of Adin; above cow trail Comment
  RSA534712  Blepharipappus scaber Bruce Bartholomew 1990-6-18 5367 Modoc Southwest side of Goose Lake, 2 km north of McGinty Point. 1420 Comment
  CAS-BOT-BC95726  Boechera pauciflora Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2148 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC95731  Boechera pauciflora Bruce Bartholomew; Barrett Anderson 1988-5-13 4145 Modoc Along Parker Creek Road, at the border of Modoc National Forest and ca. 16 km WSW of Alturas, side of the Warn 1580 Comment
  CAS-BOT-BC95735  Boechera pauciflora John Thomas Howell 1934-6-13 12102 Modoc North fork of Barber Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC95737  Boechera pauciflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6550 Modoc 8 km E of Likely along S Fork of Pit River. 1380 Comment
  CAS-BOT-BC14525  Boechera puberula Ira L. Wiggins; Dorothy B. Wiggins 1961-6-12 16378 Modoc At junction of Cedar Pass road and California State Highway 299, 5.5 miles north of Alturas. Comment
  CAS-BOT-BC25526  Boechera retrofracta Clare B. Hardham 1961-6-19 7591 Modoc Warner Mountains. Davis Creek. 2133 Comment
  CAS-BOT-BC25531  Boechera retrofracta John Thomas Howell 1934-6-14 12143 Modoc Warner Mountains. Near Lost Lake. 2438 Comment
  CAS-BOT-BC58291  Boechera retrofracta Annie Montague Alexander; L. Kellogg 1946-6-27 4848 Modoc Highgrade, (top of ridge, 2 mi. by road from Dismal Swamp) N end of Warner Mts. 2377 Comment
  CAS-BOT-BC25535  Boechera retrofracta B. Bartholomew 1990-6-18 5361 Modoc 1.6 mile south of Davis Creek on Highway 395. 1450 Comment
  CHSC118074  Boechera sparsiflora L. P. Janeway 2016-5-16 12001 Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Apple-gate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  UC10096  Boechera sparsiflora M. S. Baker and Frank Nutting 1894-6-13 Modoc near Egg Lake Comment
  CAS-BOT-BC25898  Boechera subpinnatifida B. Bartholomew 1995-6-24 7022 Modoc 2.6 km north off to Tionesta on State highway 139. 1250 Comment
  RSA166312  Boisduvalia stricta D. M. Moore 1960-6-4 121 Modoc 7.4 mi. W of Adin on road to Lookout. Comment
  UCD57370  Briza maxima Gerald Dickinson 1963-7-16 106 Modoc 4 miles east of U. S. Highway 395. Above Middle Fork of Davis Creek. Plum Valley Campground. 1524 Comment
  CHSC38984  Brodiaea coronaria J. D. Jokerst 1983-7-12 1838 Modoc Just south of the junction of Hwy 139 and Loveness Rd. 1478 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
  CHSC79393  Bromus briziformis Beecher Crampton 1954-7-6 2103 Modoc Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  CAS-BOT-BC242434  Bromus carinatus var. carinatus Leland S. Smith 1917-7-17 84 Modoc Deep Creek. 2042 Comment
  SJSU2087  Bromus carinatus var. carinatus J. W. Tilden 1958-6-26 1273 Modoc Warner Mts., W side of Cedar Pass between Alturas & Cedarville 1828 Comment
  UC1037151  Bromus carinatus var. carinatus Leo Whitney 1935-7-6 3413 Modoc Pit River near Lookout Pit River Comment
  UCD59095  Bromus carinatus var. marginatus A. A. Beetle 1941-6-29 2821 Modoc 15 miles west of Alturas, road to Cedarville Pass. 1524 Comment
  UCD58469  Bromus commutatus Beecher Crampton 1954-7-6 2088 Modoc Along U. S. Hwy. 395. 4 miles north of Likely. Comment
  HSC9229  Bromus hordeaceus M. T. Milligan 1965-6-23 308 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC242466  Bromus inermis Leland S. Smith 1924-5-20 s.n. Modoc S side Egg Lake. Comment
  HSC93546  Bromus inermis G. Fred Hrusa, T. D. Wilfred 1996-7-21 13310 Modoc Along Pit River at Rd. 90 bridge, E base of Splawn Mtn., N end of Big Valley 1500 Comment
  JEPS69175  Bromus japonicus Leland S. Smith 1918-1 871 1/2 Modoc Comment
  UCD58866  Bromus japonicus L. D. Whitney 1935-8-3 s.n. Modoc Buck Creek. North Warner Mts. Comment
  JEPS73962  Bromus racemosus Frances D. Payne 1932-7-20 720 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC242457  Bromus tectorum Bruce Bartholomew; Barrett Anderson 1989-6-1 4755 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CHSC30520  Bromus tectorum Sandra C. Morey 1980-4-26 73 Modoc Hwy. 299, ca. 3.7 mi. n of jctn. with Hwy 139 at Adin. 1280 Comment
  UC1036055  Bromus tectorum Annie M. Alexander and Louise Kellogg 1946-6-18 4795 Modoc Patterson Mill-Silver Creek Roads 1828 Comment
  CAS-BOT-BC95090  Callitriche fassettii Robert Folger Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39115 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  UC1099789  Callitriche hermaphroditica Herbert L. Mason 1947-8-8 13469 Modoc nw of Alturas (Big Sage Reservoir); Big Sage Reservoir Comment
  HSC3805  Callitriche heterophylla M. T. Milligan 1966-8-11 648 Modoc E of Jess Valley 1768 Comment
  CAS-BOT-BC95092  Callitriche palustris John Thomas Howell 1934-6-13 12091 Modoc 2 1/2 mi. S of Eagleville. Comment
  CAS-BOT-BC95099  Callitriche palustris Bruce Bartholomew; Barrett Anderson 1990-7-19 5436 Modoc Sweagert Flat. 1860 Comment
  RSA210846  Callitriche verna R. F. Thorne, C. W. Tilforth 1969-9-4 39060 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1433 Comment
  RSA551338  Callitriche verna Bruce Bartholomew 1991-10-13 6120 Modoc Dismal Swamp, N end of Warner Mts. 2200 Comment
  CAS-BOT-BC85786  Calocedrus decurrens Frances D. Payne 1932-7-1 651 Modoc Fitzhugh Sprinrings, Warner Mts. 1828 Comment
  JEPS61773  Calochortus Leland S. Smith 1918-7-10 981 Modoc Mill Creek Comment
  CAS-BOT-BC244930  Calochortus leichtlinii Bruce Bartholomew 1989-7-15 5003 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC244932  Calochortus leichtlinii John Thomas Howell 1934-7-13 12101 Modoc N fork of Barber Creek. 1828 Comment
  CHSC2234  Calochortus leichtlinii 1936-6-27 Modoc Likely. 1371 Comment
  HSC81152  Calochortus leichtlinii G. M. Riegel 1979-7-15 527 Modoc S Warner Mtns. 1739 Comment
  UC1748347  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-6-14 1841 Modoc NW of Adin (ca. 150 m. SW of the logging road) Comment
  UC422832  Calochortus longebarbatus var. longebarbatus Milo S. Baker 1897-8-1 161 Modoc Forestdale Comment
  UCD139524  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-7-18 1856 Modoc west of and adjacent to road 5500,near Niles Flat, 0.2 mile north of the road junction at the center of the edge of section 8. 1676 Comment
  CAS-BOT-BC197583  Calyptridium umbellatum Leland S. Smith 1920-6-1 1153 Modoc 12-mile Creek. 1981 Comment
  HSC80775  Calyptridium umbellatum G. M. Riegel 1980-7-22 1098 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC95585  Calystegia occidentalis subsp. occidentalis Bruce Bartholomew 1989-7-14 4954 Modoc ca. 6.5 km NE of Egg Lake and 0.8 km E of Survice Gulch. 1340 Comment
  CAS-BOT-BC95587  Calystegia occidentalis subsp. occidentalis Leland S. Smith 1919-6-5 1120 Modoc Deep Creek Ranger Station. 1493 Comment
  CAS-BOT-BC95581  Calystegia occidentalis subsp. occidentalis Francis Dorris Payne 1931-7-6 321 Modoc Warner Mts. Comment
  HSC80944  Calystegia occidentalis subsp. occidentalis G. M. Riegel 1979-7-21 588 Modoc S Warner Mtns. 1670 Comment
  UC23146  Calystegia occidentalis subsp. occidentalis M. S. Baker and Frank Nutting 1894-6-4 Modoc Hot Spring Valley Comment
  CAS-BOT-BC242124  Camassia quamash subsp. breviflora E. S. Willits 1940-5-17 257 Modoc Willow Ranch. Comment
  UC1037228  Camassia quamash subsp. breviflora Leo Whitney 1934-5-13 1742 Modoc ene of Clear Lake (Weed Valley in northern part of county); Weed Valley 1524 Comment
  UC71741  Camassia quamash subsp. breviflora Mrs. M. H. Manning 1903-5 145 Modoc Fort Bidwell, in north eastern Modoc County Fort Bidwell Comment
  CAS-BOT-BC242131  Camassia quamash subsp. breviflora John H. Hatton 1911-6-10 34 Modoc Modoc County. 1249 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
  UCD149892  Camelina microcarpa William Anderson 1963-5-5 s.n. Modoc Alturas. Comment
  CAS-BOT-BC191123  Camissonia andina Bruce Bartholomew 1991-6-22 5862 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  CAS-BOT-BC191128  Camissonia andina Bruce Bartholomew 1993-6-14 6654 Modoc 5.5 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1440 Comment
  CAS-BOT-BC191135  Camissonia andina Peter Hamilton Raven 1963-5-29 18427 Modoc Junction of Cedarville Road with U.S. Hwy 395. Comment
  CAS-BOT-BC191103  Camissonia subacaulis Bruce Bartholomew 1995-6-23 6998 Modoc 2.4 km N of Forest Road 30 on road from Hall Meadow to Plume Valley Camp Ground. 1770 Comment
  RSA600332  Camissonia subacaulis Louis C. Wheeler 1935-8-1 3731 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC191096  Camissonia subacaulis Leland S. Smith 1920-6-1 1155 Modoc Between Fort Bidwell and Cow Head Lake. 1859 Comment
  NY852072  Camissonia tanacetifolia B. Anderson 1986-7-9 3147 Modoc Crowder Flat Road, 3.2 km off Hwy 299 1510 Comment
  POM211894  Camissonia tanacetifolia J. T. Howell 1934-6-12 12000 Modoc 6 miles S of Davis Creek. Comment
  RSA72211  Camissonia tanacetifolia subsp. tanacetifolia F. W. Peirson 1926-6-24 6857 Modoc Small lake about 3 miles east of Alturas. Comment
  SEINET8039218  Campanula scouleri M. J. Williams 1984-7-1 84- 86 -2 Modoc 3.1 road miles N of Hwy 299 on Crowder Flat Road. 1951 Comment
  NY119875  Cardamine breweri B. M. Bartholomew 1989-6-3 4862 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir 1500 Comment
  RSA152599  Cardamine breweri I. L. Wiggins, Dorothy Wiggins 1961-6-12 16404 Modoc Cedar Pass Camp ground 3 miles E of Thoms Creek bridge, on Cedar Pass Road. Comment
  CAS-BOT-BC58468  Cardamine breweri var. breweri Bruce Bartholomew 1992-5-16 6330 Modoc S end of Sweagert Flat. 1840 Comment
  CAS-BOT-BC58470  Cardamine breweri var. breweri Bruce Bartholomew 1991-10-13 6117 Modoc Stream just above Cave Lake, W side of Warner Mts. 1990 Comment
  CAS-BOT-BC58472  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1989-6-2 4844 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC58434  Cardamine pensylvanica Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16488 Modoc 6.4 mi. S of Lassen Creek camp ground, on road to Buck Mt., Warner Mts. Comment
  CAS-BOT-BC242331  Carex abrupta Bruce Bartholomew; Barrett Anderson 1988-7-23 4575 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  UC1024324  Carex angustata Annie M. Alexander and Louise Kellogg 1946-6-30 4885 Modoc Dismal Swamp, n end of Warner Mountains Warner Mountains, Dismal Swamp 2255 Comment
  UC1024336  Carex athrostachya Annie M. Alexander and Louise Kellogg 1946-7-18 5023 Modoc Benton Meadow Warner Mountains 2072 Comment
  UC1100436  Carex athrostachya Verne Grant, Herbert L. Mason 1947-7-10 13355 Modoc 2 mi E of Alturas (1/4 mi W of Dorris Reservoir) Comment
  CDA33031  Carex barbarae T. C. Fuller 1964-10-8 12702 Modoc West side of Highway 395 at southern limits of Likely. 0 Comment
  HSC48008  Carex brainerdii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19509 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
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Jan 1 2017
  HSC48010  Carex brainerdii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19510 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC245192  Carex densa Mrs. H. C. Cantelow 1941-5-23 3635 Modoc Hwy 299, 7.5 mi. W of Adin Pass Summit. Comment
  CAS-BOT-BC245190  Carex douglasii Alice Eastwood; John Thomas Howell 1940-6-13 8179 Modoc E side of Cedar Pass. Comment
  CHSC117045  Carex douglasii Lowell Ahart; John Dittes 2016-6-6 20971 Modoc About 10 yards west of the dirt road, 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. 1271 Comment
  RSA59541  Carex douglasii E. K. Balls 1950-5-17 14732 Modoc Foot of south slope Double Head, Modoc National Forest, south of Clear Lake. 1463 Comment
  UC1736044  Carex heteroneura Dean W. Taylor 1989-8-4 10431 Modoc Warner Mountains; Emerson Creek, 0.5 miles upstream from the campground by trail. 1965 Comment
  CAS-BOT-BC245185  Carex hoodii Bruce Bartholomew; Barrett Anderson 1988-7-21 4457 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  SEINET7563152 Image available Carex jonesii John Thomas Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  JEPS122361  Carex lenticularis Joseph Broberg, Jaycee Leonard 2012-8-14 CA 320 -124 Modoc From Alturas take Modoc Co. rd 56 to the East (this road turns into FS rd. 5). Follow this road to FS rd. 41N51 and turn right. Keep right at fork and continue to Yankee Jim Ranch. Collection is 1 mile NE of ranch house Comment
  CHSC30637  Carex microptera NEH Prouty 1980-7-1 192 Modoc Modoc Nat. Forest. Along drainage running south from Bear Flat Pond into Soup Creek. 1798 Comment
  POM204121  Carex nebrascensis J. T. Howell 1934-6-15 12190 Modoc Alturas. Comment
  RSA364669  Carex nebrascensis A. M. Alexander, Louise Kellogg 1946-7-7 4928 Modoc Eight Mile Creek. Comment
  UC1100510  Carex pellita Herbert L. Mason, Verne Grant 1947-7-12 13423 Modoc s Alturas (irrigation ditch near s end of west side road, along railroad tracks); Pit River Valley Comment
  UC1100592  Carex pellita Herbert L. Mason, Verne Grant 1947-7-10 13354 a Modoc 1/4 mi w Dorris Reservoir (2 mi e of Alturas) Comment
  HSC96159  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-28 1227 Modoc Surprise Valley, near NW end of Middle Alkali Lake, E of Gravel Pits, about 1 mi. from the Cedarville-Lake City Rd., the Fortynine Rd. 1296 Comment
  HSC97777  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-27 1024 Modoc Modoc National Forest, Rush Creek, between Lower and Upper Rush Creek Campgrounds 1463 Comment
  CHSC109503  Carex rossii L. P. Janeway; B. Castro 2012-7-24 10958 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
  CHSC67137  Carex rossii James D. Jokerst 1987-5-14 2877 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, E and ad-jacent to SW-NE oriented fence. 1348 Comment
  HSC48332  Carex rostrata D. H. Norris, Thomas W. Nelson. S. Dowty 1971-6-23 19359 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC1540257  Carex simulata Dean Wm. Taylor, Glenn L. Clifton 1987-6-24 9057 Modoc border of meadow tributary to lakebed Egg Lake 1280 Comment
  CAS-BOT-BC117016  Carex straminiformis Elmer Ivan Applegate 1932-8-1 8063 Modoc Summit of Warner Mountains just S of Warren Peak. Comment
  CAS-BOT-BC245147  Carex subfusca Leland S. Smith 1922-7-20 1279 Modoc Rush Creek Ranger Station Pasture. 1905 Comment
  CAS-BOT-BC242394  Carex whitneyi Elmer Ivan Applegate 1932-7-31 7985 Modoc Mill Creek Meadow. Comment
  CAS-BOT-BC180129  Castanopsis sempervirens K. Paulson; Robert Paulson 1989-7-2 165 Modoc Happy Camp Lookout. 1850 Comment
  CAS-BOT-BC225987  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mountains 1935 Comment
  CAS-BOT-BC229823  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-6-13 12100 Modoc North fork of Barber Creek. 1828 Comment
  CAS-BOT-BC229828  Castilleja applegatei subsp. pinetorum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 91 Modoc Above Parker Creek, Modoc National Forest 1981 Comment
  JEPS17624  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins 1955-7-19 5376 Modoc e of and just above Soap Springs Meadow (forest road to Mill Creek Ranger Station, s Warner Mts.); Warner Mts., Modoc National Forest 2118 Comment
  JEPS27947  Castilleja applegatei subsp. pinetorum Frances D. Payne 1929-7-22 108 -A Modoc w slope Warner Mountains (Parker Creek drainage); , Parker Creek 1584 Comment
  JEPS3814  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-12 4733 Modoc 2 mi s Fort Bidwell 1444 Comment
  RSA150189  Castilleja applegatei subsp. pinetorum A. J. Cronquist, A. H. Holmgren 1959-6-20 8517 Modoc Benchland west of the Warner Mts. in sagebrush-juniper-Agropyron country 11 miles northeast of Alturas. 1555 Comment
  UC199409  Castilleja applegatei subsp. pinetorum Franklin P. Nutting 1900-1-1 Modoc near Egg Lake Comment
  UC199357  Castilleja arachnoidea Milo S. Baker Modoc near Egg Lake Comment
  JEPS28981  Castilleja arachnoidea Frances D. Payne 1931-6-29 310 Modoc e slope Mt. Warren; Warner Range, Mt. Warren 2286 Comment
  JEPS28991  Castilleja arachnoidea Frances D. Payne 1929-7-26 126 Modoc near top of Mt. Warren; Warner Range, Mt. Warren 2947 Comment
  UC27291  Castilleja campestris subsp. campestris Milo S. Baker 1893-6-15 Modoc Comment
  CAS-BOT-BC226018  Castilleja chromosa Bruce Bartholomew; Barrett Anderson 1989-4-29 4677 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC226019  Castilleja chromosa K. Paulson; Robert Paulson 1988-5-24 17 Modoc Granger Canyon, Warner Mts.. 1493 Comment
  JEPS29100  Castilleja lacera Lauramay T. Dempster 1961-6-18 1699 Modoc 3.2 mi e Cedar Pass (near head of canyon s of highway) 1752 Comment
  UC76115  Castilleja lacera Milo S. Baker 1893-1 Modoc Forestdale Comment
  HSC80740  Castilleja lacera G. M. Riegel 1979-7-3 453 Modoc South Warner Mts. 1739 Comment
  CAS-BOT-BC226045  Castilleja miniata John H. Hatton 1911-6-10 8 Modoc Modoc County. 1767 Comment
  RSA0010941  Castilleja minor subsp. minor H. L. Mason 1947-8-11 13493 Modoc On Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  CAS-BOT-BC226058  Castilleja pilosa E. S. Willits 1940-5-15 248 Modoc Davis Creek. 1371 Comment
  CAS-BOT-BC226059  Castilleja pilosa R. M. Austin 1894-7-1 s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC226060  Castilleja pilosa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16470 Modoc Roadside 2.4 mi. S of Davis Creek, SE side of Goose Lake. Comment
  CAS-BOT-BC226062  Castilleja pilosa Bruce Bartholomew 1993-6-14 6661 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-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
  CHSC117766  Castilleja pilosa L. P. Janeway 2016-5-17 12027 Modoc Modoc Plateau. Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  UC190604  Castilleja pilosa M. F. Gilman 561 Modoc 1981 Comment
  RSA46751  Castilleja psittacina J. T. Howell 1934-6-12 11993 Modoc 6 miles S of Davis Creek. Comment
  CAS-BOT-BC226078  Castilleja tenuis Clare Butterworth Hardham 1961-6-18 7804 Modoc Lava Flows, N Fork Pit River, 3.3 mi SW of Cedar Pass. 1371 Comment
  CAS-BOT-BC226079  Castilleja tenuis Mrs. H. C. Cantelow 1943-6-2 s.n. Modoc Ca. 10 mi. NW of Canby on road to Lava Beds. Comment
  CHSC107376  Castilleja tenuis Lowell Ahart; John Dittes 2011-6-22 17559 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CHSC117042  Castilleja tenuis Lowell Ahart; John Dittes 2016-6-6 20962 A 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. 1251 Comment
  SEINET14173038  Castilleja tenuis M. J. Williams 1983-7-29 83- 116 -3 Modoc Warner Mountains, 1.1 mile N of Stough Reservoir Campground, N of Cedar Pass. 2088 Comment
  CAS-BOT-BC225973  Castilleja tenuis Fred. P. Cronemiller 1920-6-15 31 Modoc McKenzie Spring. 1310 Comment
  JEPS77516  Castilleja tenuis L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4883 Modoc Cedar Pass; n side of road 1920 Comment
  UC27209  Castilleja tenuis Milo S. Baker 1893-7-9 Modoc Adobe Lake bottom Adobe Lake Comment
  CAS-BOT-BC217134  Ceanothus cordulatus Bruce Bartholomew 1992-5-16 6340 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  UC70422  Ceanothus integerrimus Milo S. Baker 516 Modoc Bowens Spring Comment
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Jul 24 2013
  CAS-BOT-BC217101  Ceanothus prostratus Alice Eastwood; John Thomas Howell 1940-6-13 8143 Modoc Fandango Pass. Comment
  POM136509  Ceanothus prostratus M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  RSA488025  Ceanothus prostratus Bruce Bartholomew, B. Anderson 1988-5-12 4091 Modoc 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  UC73356  Ceanothus pumilus Milo S. Baker Modoc near Egg Lake; near Egg Lake 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-BC217121  Ceanothus velutinus Bruce Bartholomew; Barrett Anderson 1988-6-23 4277 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  RSA152459  Ceanothus velutinus I. L. Wiggins, Dorothy B. Wiggins 1961-6-13 s.n. Modoc Brushy knoll near summit of Fandango Pass, Warner Mtns Comment
  CAS-BOT-BC248322  Ceanothus velutinus var. velutinus B. Bartholomew; H. Sun 2002-6-24 8868 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  CDA7342  Centaurea squarrosa T. C. Fuller 1962-8-29 9487 Modoc Road to Adin, 0.2 mile east of Lookout, Big Valley. 0 Comment
  RSA767682  Centaurium exaltatum L. Ahart, John Dittes 2010-8-31 17125 Modoc Edge of a pond, about 400 yards west of Elkin s Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley. 1268 Comment
  UC1191678  Centaurium exaltatum Herbert L. Mason 1947-8-15 13553 Modoc e side Goose Lake (on Willow Ranch); Mouth of Crane Creek Comment
  CAS-BOT-BC197534  Cercocarpus betuloides var. betuloides Bruce Bartholomew; Mona Bourell 1990-4-26 5159 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC197532  Cercocarpus betuloides var. betuloides Leland S. Smith 1922-8-28 1336 Modoc Canyon E of Andrews Ranch 1524 Comment
  JEPS114459  Cercocarpus betuloides var. macrourus Lowell Ahart, John Dittes 2008-8-26 15357 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the southeast side of unnamed road, 2660 feet east of intersection with County Road 85a, 0.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC197530  Cercocarpus ledifolius var. ledifolius Barrett Anderson 1986-7-10 3194 Modoc West Warner Rd N of the North Fork of Pine Creek. 1965 Comment
  CAS-BOT-BC248320  Cercocarpus ledifolius var. ledifolius B. Bartholomew; H. Sun 2002-6-24 8866 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  SD61016  Chaenactis douglasii Darley F. Howe 1964-7-31 3904 Modoc 10.2 miles from entrance to Modoc National Forest on road from Likely; Warner Mountains. 1769 Comment
  CAS-BOT-BC15052  Chaenactis douglasii var. douglasii M. M. Hanna 1956-6-5 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC15059  Chaenactis douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-6-10 4722 Modoc Lava bench between Lower and Snake lakes. Comment
  CAS-BOT-BC15066  Chaenactis douglasii var. douglasii Isabelo T. Kelly 1930-1-1 53 A Modoc unspecified Comment
  CAS-BOT-BC15074  Chaenactis douglasii var. douglasii Barrett Anderson 1986-7-9 3144 Modoc Bushy Flat Rd along the Pit River, just E of Hwy 299. 1500 Comment
  CHSC112123  Chaenactis douglasii var. douglasii L. P. Janeway; B. Castro 2014-6-2 11311 Modoc Great Basic. Along County Road 1, 1.0 km north of the road to the southwest corner of Cow Head Lake (County Road 5), on the east side of Long Canyon, low in the canyon. 1566 Comment
  RSA101383  Chaenactis douglasii var. douglasii R. Weatherby 1955-7-8 1631 Modoc 5 miles north of Fort Bidwell, Northern Warner Mts. 1646 Comment
  UC1037213  Chamaebatiaria millefolium Leo Whitney 1934-6-5 1579 Modoc Modoc National Forest, Quaking Asp Modoc National Forest; , Quaking Asp 1219 Comment
  CAS-BOT-BC245417  Chamaesaracha nana Bruce Bartholomew; Barrett Anderson 1990-7-20 5533 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC245421  Chamaesaracha nana M. Vasey 1990-6-29 9018 Modoc E end of N Emerson Lake. South Warner Wilderness. 2377 Comment
  JEPS15471  Chamaesaracha nana Joseph and Hilda W. Grinnell 1938-6-16 1107 a Modoc 100 ft below Cedar Pass summit; Warner Mountains 1935 Comment
  UC26092  Chamaesaracha nana Mrs. R. M. Austin and Bruce Jun 1898 2152 Modoc Lake City Pass Comment
  RSA312310  Chamaesyce serpillifolia H. L. Mason, Verne Grant, C. T. Mason 1947-7-10 13325 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  NY1001697  Chamaesyce serpyllifolia M. S. Baker 1893-7-25 s.n. Modoc On island in Egg Lake Comment
  SEINET195700  Chamerion angustifolium subsp. circumvagum Annie M. Alexander, Louise Kellog 1946-7-3 4904 Modoc Near Fort Bidwell south slope. Bidwell Creek Canyon. Comment
  CAS-BOT-BC30191  Cheilanthes gracillima Bruce Bartholomew 1992-5-17 6343 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir 1460 Comment
  CAS-BOT-BC95503  Chenopodium album Bruce Bartholomew; Barrett Anderson 1990-7-20 5453 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  HSC65543  Chenopodium album Thomas Wood 1979-8-8 206 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  JEPS124357  Chenopodium album Lowell Ahart, John Dittes 2015-7-16 20360 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS59682  Chenopodium album Frances D. Payne 1932-7-10 695 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 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
  CAS-BOT-BC95515  Chenopodium berlandieri Isabelo T. Kelly 1930-1-1 28 Modoc Modoc County. Comment
  CDA3015  Chenopodium foliosum T. C. Fuller 1963-7-16 10912 Modoc Lassen Creek near old sawmill site, 6 miles southeast of Willow Ranch. 0 Comment
  CAS-BOT-BC95526  Chenopodium hians Alice Eastwood; John Thomas Howell 1940-6-13 8173 Modoc Near Cedarville. Comment
  RSA624120  Chenopodium leptophyllum L. C. Wheeler 1935-8-26 3921 Modoc South Mt. devil's Garden: McGinty Point. 1524 Comment
  UCD98317  Chenopodium murale Herbert L. Mason 1947-8-15 13555 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  CAS-BOT-BC95531  Chenopodium pratericola Bruce Bartholomew 1989-7-14 4958 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  RSA624455  Chenopodium rubrum L. C. Wheeler 1935-8-18 3896 Modoc 2 miles northeast of Alturas 1357 Comment
  POM312490  Chenopodium salinum H. L. Mason 1947-8-12 13507 Modoc Junction of North and South forks of Pit River, Alturas. Comment
  CAS-BOT-BC95662  Chimaphila menziesii Annie Montague Alexander; L. Kellogg 1946-7-24 5063 Modoc Bear Camp Flat. Comment
  UC412889  Chimaphila umbellata Franklin P. Nutting Aug 20 1900-Aug 30 1900 Modoc Big Valley Mts. near Forestdale; Big Valley Mts. Comment
  HSC80767  Chimaphila umbellata G. M. Riegel 1979-8-21 680 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC15030  Chrysothamnus humilis Francis Dorris Payne 1934-8-29 s.n. Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15032  Chrysothamnus humilis Bruce Bartholomew 1989-8-13 5142 Modoc Top of Manzanita Mountain. 2090 Comment
  CAS-BOT-BC15004  Chrysothamnus nauseosus subsp. albicaulis Bruce Bartholomew 1989-8-11 5081 Modoc Sand Creek, Surprise Valley, 5 km W of Nevada border on State Hwy 299. 1400 Comment
  CAS-BOT-BC15039  Chrysothamnus nauseosus subsp. albicaulis Loran C. Anderson 1958-8-24 1615 Modoc Cedar Pass Campground, 8 mi. W of Cedarville. Comment
  CAS-BOT-BC15043  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11064 Modoc Caldwell Butte, north base, Lava Beds National Monument. Comment
  CAS-BOT-BC15050  Chrysothamnus nauseosus subsp. albicaulis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 119 Modoc Hills above Parker Creek. Comment
  CDA34730  Chrysothamnus nauseosus subsp. consimilis L. Ahart, John Dittes 2010-8-3 17052 Modoc About 3 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  SEINET10722475  Chrysothamnus nauseosus subsp. consimilis Karen M. Meyer, Andrew Townesmith 2007-9-16 Meyer 212 Modoc Modoc National Forest, going E on Hwy 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  LA82951  Chrysothamnus viscidiflorus O. H. Kappler; 1949-7-26 1996 Modoc 5 mi. S of Alturas along Route 395 1402 Comment
  CAS-BOT-BC14984  Chrysothamnus viscidiflorus subsp. viscidiflorus Philip Alexander Munz 1951-9-14 16979 Modoc Jess Valley, S Warner Mountains 1630 Comment
  JEPS21408  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1918-8-6 7836 Modoc Fandango Pass 1859 Comment
  JEPS15744  Cicuta maculata var. angustifolia W. L. Jepson 1918-8-9 7921 Modoc Fort Bidwell 1432 Comment
  CAS-BOT-BC191006  Circaea alpina subsp. pacifica Bruce Bartholomew 1994-7-2 6785 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1930 Comment
  NY850374  Circaea alpina subsp. pacifica B. M. Bartholomew 1988-7-21 4439 Modoc Above Upper Rush Creek Campground ca. 4 km east of State Highway 299 between Adin and Canby 1580 Comment
  RSA504850  Circaea alpina subsp. pacifica Bruce Bartholomew, B. Anderson 1988-7-21 4439 Modoc Above Upper Rush Creek Campground ca. 4 km. E of State Highway 299 between Adin and Canby. 1580 Comment
  CDA1062  Cirsium arvense T. C. Fuller, W. T. Parsons 1960-7-26 4872 Modoc 1.5 mi. south of Tulelake; in grainfield, Hwy 139. 0 Comment
  RSA0049630  Cirsium cymosum var. canovirens Dean Wm. Taylor 2012-6-5 21219 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  POM54289  Cirsium douglasii var. breweri M. S. Baker 1898-08 538 Modoc Forest Dale Comment
  UC75815  Cirsium douglasii var. breweri Milo S. Baker 1898-8-1 Modoc Forest Dale Comment
  UC30790  Cirsium occidentale var. candidissimum Milo S. Baker 1893-7-25 Modoc Lava Beds Comment
  UC748330  Cirsium occidentale var. candidissimum Annie M. Alexander and Louise Kellogg 1946-6-22 4813 Modoc 2 mi n of Lake City 1414 Comment
  UC990708  Cirsium occidentale var. candidissimum Roxana S. Ferris 1951-4-14 12466 Modoc between Cedarville and Alturas; Warner Mountains, Cedar Pass Comment
  CAS-BOT-BC14934  Cirsium occidentale var. candidissimum Isabelo T. Kelly 1930-1-1 39 Modoc E slope of Warner Range. Comment
  UC711943  Cirsium occidentale var. candidissimum Roxana S. Ferris and Laura Lorraine 1941-8-12 10511 Modoc just below e slope of summit of Cedar Pass (Cedarville-Alturas Road); Warner Mountains, Cedar Pass 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
  CDA1605  Cirsium undulatum D. B. Joley, C. D. Hunter 1983-8-3 s.n. Modoc S side of Hwy 139, 30 meters W of Hackamore Rd. (1 mi E of MP 19.00). Comment
  CAS-BOT-BC162643  Clarkia Clare B. Hardham 1961-6-19 7848 Modoc Willow Creek, Warner Mountains 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
  HSC35734  Clarkia lassenensis D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19355 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC1184379  Clarkia lassenensis Peter H. Raven with Otto T. Solbrig 1958-6-18 13314 Modoc Cottonwood Flat Camp Ground Modoc National Forest Comment
  CAS-BOT-BC191043  Clarkia rhomboidea Barrett Anderson 1986-7-9 3175 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  CAS-BOT-BC191049  Clarkia rhomboidea Francis Dorris Payne 1931-6-11 145 Modoc Parker Creek. 1584 Comment
  HSC80902  Clarkia rhomboidea G. M. Riegel 1980-8-28 1121 Modoc S Warner Mtns. 2100 Comment
  RSA646254  Clarkia rhomboidea Peter H. Raven, Otto T. Solbrig 1958-6-18 13309 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  SEINET10689254  Clarkia rhomboidea Milo S. Baker Baker s.n. 1893 Modoc Open timbered hillside, gravelly soil. Comment
  UC1422888  Clarkia rhomboidea Peter H. Raven and Otto T. Solbrig 1958-6-18 13309 Modoc Cottonwood Flat Camp Ground Modoc National Forest Comment
  CAS-BOT-BC197447  Claytonia lanceolata Bruce Bartholomew; Barrett Anderson 1989-4-28 4660 Modoc 4.3 km E of the Modoc National Forest Boundary on Parker Creek Road, W side of Warner Mts. 1740 Comment
  CAS-BOT-BC197431  Claytonia perfoliata subsp. perfoliata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16394 p.p. Modoc Rocky hillside above Thomas Creek, 6.1 mi. E of Hwy 395 on Cedarville Rd. Comment
  SD52231  Cleome platycarpa Frank Stephens 1894-7-16 728 Modoc 1430 Comment
  CAS-BOT-BC226087  Collinsia parviflora John Thomas Howell 1934-6-13 12055 Modoc Fandango Pass. 1828 Comment
  HSC20611  Collinsia parviflora M. T. Milligan 1965-6-23 292 Modoc N end Jess Valley 1616 Comment
  UC1025094  Collinsia parviflora Leo Whitney 1934-5-2 1655 Modoc near Hockamore (Modoc National Forest); Modoc National Forest 1463 Comment
  UC26633  Collinsia parviflora Mrs. R. M. Austin Apr 1894 Modoc Davis Creek Comment
  RSA0117237  Collinsia parviflora F. W. Peirson 1926-6-25 6891 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  SEINET10548294  Collinsia parviflora Jeffrey Huber 1971-6-3 Huber 100 Modoc 5 mi. S of Canby on Calif. Hwy. 299. 1280 Comment
  UC748267  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1946-7-7 4952 Modoc ne corner of county Eight Mile Creek 1752 Comment
  UC907920  Collomia grandiflora F. H. Frost 1925-7-13 74 Modoc summit Warner Mts., Cedar Canyon Comment
  CAS-BOT-BC190726  Collomia linearis Margaret J. Williams 1984-6-30 84- 81 -4 Modoc 9.6 mi. from Gerlach-Cedarville road on the Parker Creek road. W side of the Warner Mts., S of Cedar Pass. 1828 Comment
  UC205016  Collomia linearis Mrs. M. H. Manning 1907-1 Modoc near 12 Mile Creek (e side of Mt. Bidwell, ne Modoc Co.) Comment
  UCR186867  Collomia tenella Glenn L. Clifton 2007-7-16 46426 Modoc Warner Mtns, South Fork Pine Creek 2172 Comment
Read comments
Jan 18 2008
  UC748266  Collomia tinctoria Annie M. Alexander and Louise Kellogg 1946-6-28 4864 Modoc Pine Creek Canyon Warner Mts. (n end of mountains) Comment
  CAS-BOT-BC190715  Collomia tinctoria Elmer Ivan Applegate 1935-6-12 9525 Modoc Caldwell Butte, Lava Bed National Monument. Comment
  CAS-BOT-BC225786  Comandra umbellata subsp. californica Bruce Bartholomew; Barrett Anderson 1988-5-14 4197 Modoc 0.8 km W of Goose Lake on USFS road 47N09 to Crowder Flats. 1430 Comment
  CDA34733  Conium maculatum L. Ahart, John Dittes 2010-8-3 17066 Modoc About 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  HSC6958  Conringia orientalis M. T. Milligan 1964-6-20 64 Modoc 3 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  SJSU9370  Conringia orientalis W. Savage 1979-7-8 1480 Modoc W side of Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC14945  Conyza canadensis Leland S. Smith 1510 Modoc Lava Lake. 1310 Comment
  SEINET3479097  Conyza canadensis Unknown 1991-8-28 4447 Modoc Modoc National Forest, Modoc National Forest, Kelley Spring, 3.4 miles from highway 299 at Rush Creek, on primary Forest Service Road 22 and Road 40N33 1640 Comment
  UC429110  Corallorhiza maculata M. F. Gilman 656 Modoc Mts. 1828 Comment
  UC4414  Corallorhiza maculata Milo S. Baker 1893-7-10 Modoc Big Mts. Comment
  SJSU9373  Cordylanthus ramosus W. Savage 1979-7-3 1273 .5 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC95598  Cornus sericea L. A. M. Black 1893-6-1 94 Modoc Davis Creek. Comment
  JEPS46248  Cornus sericea subsp. sericea F. H. Frost 1925-7-11 23 Modoc Cedar Canyon campsite 2 mi. above Cedarville Comment
  UC412935  Cornus sericea subsp. sericea Milo S. Baker 1893-1 Modoc Forestdale Comment
  POM77924  Cornus stolonifera Mrs. R. M. Austin 1893-07 503 Modoc Davis Creek Comment
  CAS-BOT-BC197566  Crataegus douglasii Leland S. Smith 1917-9-10 156 Modoc Fandango Trail. 2133 Comment
  CAS-BOT-BC14947  Crepis acuminata Clare Butterworth Hardham 1961-6-18 7801 Modoc N fork Pit River 3.3 mi. S of Cedar Pass Road. Comment
  CAS-BOT-BC14860  Crepis intermedia Bruce Bartholomew; Barrett Anderson 1988-6-25 4378 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  JEPS36446  Crepis intermedia Frances D. Payne 1931-6-11 150 a Modoc Parker Creek Warner Mts. 1584 Comment
  SJSU9584  Crepis intermedia W. Savage 1979-7-4 1344 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC14914  Crepis modocensis Alice Eastwood; John Thomas Howell 1940-6-12 8091 Modoc Jess Valley. Comment
  JEPS89243  Crepis modocensis Lauramay T. Dempster 1961-6-18 1693 Modoc peak just s Cedar Pass Comment
  CAS-BOT-BC14878  Crepis modocensis subsp. subacaulis Elmer Ivan Applegate 1932-7-9 7604 Modoc Summit of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC14886  Crepis modocensis subsp. subacaulis Bruce Bartholomew; Barrett Anderson 1988-5-14 4207 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 Comment
  CAS-BOT-BC14856  Crepis occidentalis Annie Montague Alexander; Louise Kellogg 1946-6-28 4865 Modoc Mouth of Pine Creek Canyon, Warner Mountains 1524 Comment
  CAS-BOT-BC14862  Crepis occidentalis Bruce Bartholomew 1991-7-4 5916 Modoc Road between Roney Flat and Miller Flat. 1630 Comment
  CAS-BOT-BC14869  Crepis occidentalis Bruce Bartholomew 1993-6-14 6653 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  CAS-BOT-BC14893  Crepis occidentalis David Daniels Keck; J. Clausen 1935-6-24 3713 Modoc 3 mi. NE of Willow Ranch, northeastern Modoc County 1470 Comment
  CHSC70465  Crepis occidentalis A. Sanger 1997-6-3 2481 Modoc Along Mowitz Rd, at Boles Cr. crossing. Upland above creek. 1463 Comment
  UC581313  Crepis occidentalis E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1846 Modoc roadside 5 mi s Davis Creek Comment
  UC748134  Crepis occidentalis subsp. occidentalis Annie M. Alexander and Louise Kellogg 1946-6-10 4715 Modoc top of lava bench between Lower Lake and Snake Lake Comment
  CDA35638  Crepis occidentalis subsp. pumila J. R. Keck Jr., Pfeiffer 1985-6-6 PDR# 237690 Modoc On USFS Road 56, west of Lookout-Hackamore Road. 0 Comment
  CAS-BOT-BC14825  Crocidium multicaule William Albert Weber; Lewis Samuel Rose 1953-5-22 8451 Modoc 7 mi. E of Alturas on road to Cedarville. 1371 Comment
  CAS-BOT-BC14827  Crocidium multicaule F. Angwin 1946-4-6 s.n. Modoc Adin. 1371 Comment
  CAS-BOT-BC14836  Crocidium multicaule Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6444 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1460 Comment
  OBI47975  Crocidium multicaule Rhonda Riggins 1989-4-28 1655 Modoc Pencil rd. 4.1 mi N of hwy 395 E of Alturas. T43N, R12E, sec 24 1402 Comment
  RSA155793  Crocidium multicaule Peter H. Raven 1962-5-29 17897 Modoc State Highway 139 at south road to Lava Beds National Monument. Comment
  RSA534605  Crocidium multicaule Bruce Bartholomew 1991-5-25 5749 Modoc ca. 1 km west of Tionesta. 1320 Comment
  SD53083  Crocidium multicaule Peter H. Raven 1962-5-29 17897 Modoc State Highway 139 at south road to Lava Beds National Monument. Comment
  UC76037  Crocidium multicaule Milo S. Baker 1896-5-15 72 Modoc near Johnson's; Big Valley Comment
  SJSU9561  Croton setiger W. Savage 1979-7-3 1301 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC113086  Crypsis schoenoides Lowell Ahart; John Dittes 2013-7-24 18913 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
  JEPS90284  Cryptantha ambigua Dean Wm. Taylor with Glenn L. Clifton 1989-8-4 10522 Modoc on road to Emerson Camp from Surprise Valley (Warner Mountains, Cole Creek, Emerson Creek drainage); Warner Mountains, Cole Creek 1554 Comment
  UC1586031  Cryptantha ambigua Barbara Ertter 1988-6-18 7616 Modoc 1 mi s jct to Lava Beds National Monument (Hwy 139, ca 50 airmiles sw of Klamath Falls, a few mi n of Agric. Inspection Station, e of Tonesta) 1310 Comment
  SEINET5512247  Cryptantha ambigua J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  POM204138  Cryptantha intermedia J. T. Howell 1934-6-11 11983 Modoc Parker Creek, Warner Mts. 1585 Comment
  SBBG20785  Cryptantha intermedia C. B. Hardham 1961-6-18 7545 Modoc hills 3 mi E of Cedar Pass 1828 Comment
  SEINET10455959  Cryptantha milobakeri Jeffrey Huber 1971-6-3 Huber 98 Modoc 5 mi S of Canby on CA Hwy 299, Lupines heavily carpeting hillsides of large basaltic boulders, sparse juniper, Artemisia, Purshia, Poa assoc. 1280 Comment
  UC526166  Cryptantha simulans John Thomas Howell 1934-6-13 12043 Modoc Fandango Pass Warner Mts. 1828 Comment
  CAS-BOT-BC54078  Cryptantha torreyana Alice Eastwood; John Thomas Howell 1940-6-13 8168 Modoc Cedarville. Comment
  UC573118  Cryptantha torreyana F. H. Frost 1925-7-25 62 Modoc Eagle Peak Warner Mountains Comment
  CHSC109508  Cryptantha torreyana var. torreyana L. P. Janeway; B. Castro 2012-7-25 10993 Modoc Warner Mountains. Low broad ridge 1.1 km east of Dismal Swamp. 2250 Comment
  UC55205 Image available Cupressus bakeri Milo S. Baker Aug 1898 Modoc Lava Beds, along road between Dana and Little Hot Springs Valley; Lava Beds Comment
  UCD126236  Cuscuta approximata Mary H. Manning 1918-8-1 s.n. Modoc Condan Ranch, Ft. Bidwell. 1402 Comment
  POM229966  Cyperus squarrosus L. C. Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil s Garden 1463 Comment
  CAS-BOT-BC136513  Cypripedium montanum Franklin P. Nutting June 24 3025 Modoc Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC30210  Cystopteris fragilis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 95 Modoc Above Parker Creek. 1981 Comment
  CAS-BOT-BC30219  Cystopteris fragilis B. Bartholomew; B. Anderson 1988-7-21 4603 Modoc above Upper rush Creek Campground ca. 4 km E of State Hwy 299 btwn Adin and Canby 1580 Comment
  RSA152455  Cystopteris fragilis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16422 Modoc Near summit of Cedar Pass, between Alturus and Cedarville 1959 Comment
  CAS-BOT-BC245208  Damasonium californicum Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13325 Modoc Small lake at eastern outskirts of Lookout. Comment
  CAS-BOT-BC245209  Damasonium californicum Bruce Bartholomew 1991-7-6 5984 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC242491  Danthonia californica Leland S. Smith 1924-5-31 1365 Modoc Modoc National Forest - near Kramer Reservoir Comment
  JEPS68521  Danthonia californica L. S. Smith 1917-7-1 90 Modoc Deep Creek R.S. camp Warner Mts. 2133 Comment
  JEPS68527  Danthonia intermedia Leland S. Smith 1918-1 Modoc Comment
  CAS-BOT-BC194375  Danthonia unispicata Melissa A. Berry 1957-6-29 s.n. Modoc Toward Cedar Pass, Warner Mts. 1524 Comment
  CAS-BOT-BC242488  Danthonia unispicata Bruce Bartholomew 1990-6-17 5346 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-BC242489  Danthonia unispicata C. L. Hitchcock 1940-5-28 6720 Modoc Near Surprise, ca. 15 mi. N of Alturas. 1402 Comment
  CAS-BOT-BC49508  Deinandra lobbii Bruce Bartholomew; Barrett Anderson 1990-7-19 5406 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CHSC100460  Deinandra lobbii Lowell Ahart; John Dittes 2008-8-25 15328 Modoc On the east side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1275 Comment
  CAS-BOT-BC217280  Delphinium Bruce Bartholomew 1994-5-29 6731 Modoc Lava fields N of Big Sand Butte. 1270 Comment
  JEPS86367  Delphinium andersonii Jack and Betty Guggolz 1988-6-27 951 Modoc both e and w of Jenkins Spring Comment
  CAS-BOT-BC217301  Delphinium nudicaule Bruce Bartholomew; Barrett Anderson 1989-6-3 4919 Modoc Stone Coal Valley, 3 km E of State Hwy 299. 1400 Comment
  CAS-BOT-BC217276  Delphinium nuttallianum E. S. Willits 1940-5-6 222 Modoc Open hillside near Lassen Creek, Willow Ranch. 1371 Comment
  CAS-BOT-BC217282  Delphinium nuttallianum Bruce Bartholomew 1994-5-14 6686 Modoc 5.1 km SE of Burlington Railroad Northern railroad track on road between Egg Lake and Lookout. 1400 Comment
  CAS-BOT-BC217317  Delphinium nuttallianum Bruce Bartholomew; Mona Bourell 1990-4-27 5175 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  CAS-BOT-BC217321  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1988-5-12 4117 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC217334  Delphinium nuttallianum Elmer Ivan Applegate 1932-7-31 7969 Modoc Mill Creek Meadows, Warner Mts. Comment
  UC118561  Delphinium nuttallianum Mrs. R. M. Austin July 1884 Modoc Goose Lake Valley Comment
  UC72892  Delphinium nuttallianum Milo S. Baker Modoc Forestdale Comment
  UC854143  Delphinium nuttallianum C. L. Hitchcock 1940-5-27 6705 Modoc 15 mi ne Alturas (hillside in canyon) 1676 Comment
  RSA149077  Delphinium nuttallianum I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16491 Modoc Under lodge pole pines t margin of meadow 2.5 miles from Hwy 395, 2miles NW of Fenner Flat, Warner Mtns Comment
  RSA398670  Delphinium nuttallianum Christopher Davidson 1973-5-26 2148 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  CAS-BOT-BC217284  Delphinium stachydeum Bruce Bartholomew 1990-8-5 5670 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  RSA504710  Deschampsia cespitosa subsp. cespitosa Bruce Bartholomew, B. Anderson 1988-7-22 4544 Modoc Benton Meadow, Warner Mountains 2180 Comment
  CAS-BOT-BC242477  Deschampsia danthonioides Alan Ackerman Beetle 1941-6-29 2838 Modoc S slope of Mt. Adin. Comment
  JEPS73978  Deschampsia danthonioides Frances D. Payne 1932-6-27 647 Modoc s. and e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  JEPS73979  Deschampsia danthonioides Frances D. Payne 1932-6-24 650 Modoc s. and e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UCR163107  Deschampsia danthonioides Jim Andre 1993-7-3 1426 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  SEINET4566918  Deschampsia danthonioides I. Tidestrom 1910-6-25 3642 Modoc Sibley Draw, north fork Modoc Comment
  CAS-BOT-BC247771  Deschampsia elongata Bruce Bartholomew; Barrett Anderson 1990-7-20 5496 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  JEPS68508  Deschampsia elongata Leland S. Smith 1918-8-10 1069 Modoc Silver Creek Comment
  JEPS68509  Deschampsia elongata Leland S. Smith 1918-1 Modoc Comment
  CAS-BOT-BC58576  Descurainia incisa Barrett Anderson 1986-7-9 3164 Modoc Stough Reservoir Rd. just E of Cedar Pass near Stough Reservoir. 1965 Comment
  CAS-BOT-BC58605  Descurainia paradisa Bruce Bartholomew 1994-5-15 6693 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  CAS-BOT-BC58607  Descurainia paradisa Bruce Bartholomew 1995-5-13 6913 Modoc 2.7 km NE of County Road 38 on County Road 37, E side of the S end of Surprize Valley. 1410 Comment
  CAS-BOT-BC58613  Descurainia pinnata subsp. brachycarpa Alice Eastwood; John Thomas Howell 1940-6-12 8051 Modoc Between Likely and Jess Valley. Comment
  JEPS120891  Descurainia sophia Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18759 Modoc About 100 yards E of Parking Area, near the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  CAS-BOT-BC190761  Dicentra uniflora Bruce Bartholomew; Barrett Anderson 1988-5-13 4158 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts.. 1760 Comment
  SEINET7839014 Image available Dieteria canescens Mrs. M. H. Maning 1904-1 s.n. Modoc Alturas, North-eastern Modoc County Comment
  HSC81136  Dieteria canescens var. canescens G. M. Riegel 1980-9-3 1132 Modoc South Warner Mountains 1739 Comment
  UC748385  Dieteria canescens var. shastensis Annie M. Alexander and Louise Kellogg 1946-8-8 5122 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  SEINET7845829 Image available Dieteria canescens var. shastensis M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  UC71574  Dieteria canescens var. shastensis Mrs. M. H. Manning 1903-9-2 Modoc Wood-road Canyon Wood-road Canyon (north-eastern Modoc County) Comment
  JEPS86330  Dimeresia howellii Jack and Betty Guggolz 1988-7-1 972 Modoc near Old Canon Mill Road Comment
  UCR267416  Dimeresia howellii Jim Andre, Glenn L. Clifton 1993-6-12 29991 Modoc Warner Mountains, c. 3 mi west of Cedarville, along Cedar creek and Hwy 299, Modoc National Forest 1588 Comment
  CHSC77235  Diplacus cusickii G. Schoolcraft 1999-7-13 2862 Modoc Lower slopes of Warner Mtns. 3 mi. n. of Eagleville. 1432 Comment
  CAS-BOT-BC229911  Diplacus cusickioides K. Paulson; Robert Paulson 1989-7-18 199 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1493 Comment
  CAS-BOT-BC234452  Diplacus nanus M. M. Hanna 1956-6-7 s.n. Modoc Junction Highway 139 and Glass Mt. Road. Comment
  CAS-BOT-BC234454  Diplacus nanus M. Vasey 1990-6-29 9016 Modoc Trail to summit above North Emerson Lake. South Warner Wilderness. 2651 Comment
  CAS-BOT-BC234437  Diplacus tricolor K. Paulson 1978-6-24 s.n. Modoc Curtis Water Hole Comment
  UCD64185  Distichlis spicata R. Tofsrud 1947-7-1 232 Modoc E of Cedarville, on Middle Alkali Lake bed. Comment
  RSA59651  Dodecatheon conjugens E. K. Balls 1950-5-12 14639 Modoc above Bucks Creek Ranger Station, Modoc National Forest; east of Goose Lake. 1768 Comment
  UC1123263  Dodecatheon conjugens R. C. Wilson 1933-5-26 31 Modoc above Pothole Gulch; Modoc National Forest, Canby Quadrangle Comment
  UC22371  Dodecatheon conjugens Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley Comment
  RSA59365  Dodecatheon conjugens E. K. Balls 1950-5-11 14628 Modoc 8.1 miles NE of Fort Bidwell, above Cow Head Lake, along 8-mile Creek. 1463 Comment
  CAS-BOT-BC218284  Dodecatheon conjugens var. conjugens R. M. Austin 1898-4-1 2308 Modoc Plains, Goose Lake. Comment
  SEINET195708 Image available Dodecatheon conjugens var. conjugens Annie M. Alexander, Louise Kellogg 1946-6-8 4695 Modoc Road from Ealville to Patterson Mill. Comment
  CHSC77227  Dodecatheon pulchellum G. S. Batholomew 1998-6-4 2725 Modoc Island meadow on Devils Garden area. 1615 Comment
  CAS-BOT-BC95124  Downingia bacigalupii Bruce Bartholomew 1991-7-4 5896 Modoc S end of Higgins Flat. 1370 Comment
  CHSC14087  Downingia bacigalupii K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5827 Modoc Dry vernal pool on e side of railroad tracks, on n side of Whitehorse-Lookout Road. Comment
  POM299295  Downingia bacigalupii H. C. Cantelow 1940-5-31 s.n. Modoc 0.8 mile E of Canby. Comment
  UC1051441  Downingia bacigalupii Herbert L. Mason 1955-8-14 14652 Modoc s end Goose Lake Comment
  SJSU9531  Downingia bacigalupii W. Savage 1979-6-20 1268 Modoc 100 yards E of Boles Meadow, Triangle, Boles Meadow Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC890640  Downingia bacigalupii A. A. Heller 1938-6-24 15229 Modoc near Adin (along U.S. Highway 299) 1280 Comment
  UC1520666  Downingia bicornuta Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9452 Modoc 13 air mi wnw Canby (Calif Highway 139, 14.2 mi wnw of junction with U.S. Highway 299) 1463 Comment
  SEINET12329659  Downingia bicornuta N. H. Holmgren, Holmgren, P. K. 1980-1 9452 Modoc California Highway 139, 22.9 km (14.2 mi) west-northwest of junction with U.S. Highway 299, 21 km 1460 Comment
  JEPS21586  Downingia bicornuta var. bicornuta Calvin McMillan 1949-6-16 1535 Modoc 3 mi s Crowder (about 7 mi s of Oregon border, n central Modoc County) Comment
  UC890611  Downingia bicornuta var. bicornuta Elmer I. Applegate 1932-7-30 7946 Modoc just s Alturas Comment
  JEPS108490  Downingia insignis Lisa Schultheis 1996-6-29 312 -96 Modoc W of Goose Lake. On County Rd. 73 towards Crowder Flat. About 4.2 mi from Rt. 299 Comment
  CHSC99271  Downingia laeta Lowell Ahart; John Dittes 2008-6-21 14984 Modoc In the drying pond, north of the large culvert, east 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. Comment
  CAS-BOT-BC58297  Draba albertina Annie Montague Alexander; L. Kellogg 1946-6-25 4823 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  UC1553370  Draba densifolia Sch/Yor/Hor/Ach 1988-7-16 1829 Modoc ca 1.5 mi n Squaw Peak; Warner Mtns., n of Squaw Peak 2316 Comment
  CAS-BOT-BC58588  Draba verna Bruce Bartholomew; Barrett Anderson 1988-5-12 4101 Modoc White Horse. 1340 Comment
  RSA59718  Draba verna E. K. Balls 1950-5-18 14753 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UC1594773  Drymocallis David Charlet and Chris Petty 1988-8-12 156 Modoc 0.5 km sw Warren Peak; South Warner Mountains, sw of Warren Peak 2865 Comment
  CAS-BOT-BC527340  Drymocallis glandulosa var. reflexa Barrett Anderson 1986-7-9 3182 Modoc Stough Reservoir Road just east of Cedar Pass near Stough Reservoir, Warner Mountains 1965 Comment
  UC545676  Drymocallis lactea var. austiniae L. D. Whitney 1935-7-11 3479 Modoc Glass Mountain Glass Mountain (U.S.B.E. - Plot RS-4) Comment
  JEPS44162  Drymocallis pseudorupestris var. saxicola L. S. Smith 1918-8-17 1036 Modoc Eagle Peak ridge above Emerson; Modoc National Forest, Warner Mts. 2621 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
  CHSC70776  Echinochloa crus-galli A. Sanger 1997-9-23 2658 Modoc Willow Creek 1 mile east of Clear Lake. In meadow along creek. 1371 Comment
  UC1100266  Echinochloa crus-galli Herbert L. Mason 1947-8-12 13510 Modoc junction of North and South forks of Pit River Alturas; junction of North and South forks of Pit River Comment
  JEPS121185  Elatine californica Lowell Ahart, John Dittes 2013-7-24 18918 A Modoc Around a man-made pond, north side of Ash Creek floodplain, 0.54 air miles southeast of Pilot Butte parking area, 1.1 air miles south of County Road 87, 6.8 air miles west of Adin, Big Valley. Comment
  JEPS121235  Elatine californica Lowell Ahart, John Dittes 2013-7-24 18918 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  JEPS127189  Elatine californica Lowell Ahart, John Dittes 2016-7-14 21211 -A Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  CHSC112777  Elatine rubella 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 County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  UC1101548  Elatine triandra Verne Grant and Irving Schneider 1947-7-29 8180 Modoc s Alturas (near Payne Reservoir); Fitzugh Creek Comment
  UC1100612  Eleocharis bella Herbert L. Mason 1947-8-13 13526 Modoc N of Canby (NE side of F reservoir) Comment
  RSA577562  Eleocharis bella L. C. Wheeler 1935-8-15 3861 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  CAS-BOT-BC112782  Eleocharis macrostachya R. F. Thorne; C. W. Tilforth 1969-9-5 39180 Modoc Wet margin of S Fork of Pit River at bridge, 3.8 mi E of Likely. 1386 Comment
  JEPS127582  Eleocharis pachycarpa L. P. Janeway 2016-5-18 12073 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. Beaver Mountain 7.5' Quad. Comment
  JEPS123835  Elodea canadensis Lowell Ahart, John Dittes 2015-7-17 20398 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  UC1024965  Elymus X macounii Leo Whitney 1935-7-6 3444 Modoc near Lookout; Pit River Comment
  HSC8729  Elymus X saxicola M. T. Milligan 1966-7-7 567 Modoc East of Jess Valley. 1677 Comment
  HSC100177  Elymus cinereus J. P. Smith 2011-8-7 13359 Modoc Hwy 299 W of Alturas 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
  UCD61523  Elymus elymoides L. D. Whitney 1935-7-11 Modoc Base of Glass Mt. Comment
  CAS-BOT-BC247744  Elymus elymoides subsp. elymoides Elmer Ivan Applegate 1932-8-1 8029 Modoc Just S of Warren Peak. Comment
  CAS-BOT-BC247751  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1988-7-21 4452 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  UC1024969  Elymus glaucus Leo Whitney 1935-7-6 3436 Modoc Crank Springs Comment
  JEPS73993  Elymus glaucus subsp. glaucus Frances D. Payne 1932-7-18 705 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS114842  Elymus lanceolatus subsp. lanceolatus Lowell Ahart, John Dittes 2008-6-21 15017 Modoc On the north side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber 1264 Comment
  UC188833  Elymus multisetus Baker and Nutting Modoc Egg Lake Comment
  CHSC112390  Elymus spicatus L. P. Janeway; B. Castro 2014-6-3 11316 Modoc Great Basin. Top of knoll between the lower end of Long Canyon and the lower end of Poison Springs Canyon, overlooking north end of Surprise Valley. 1567 Comment
  HSC80812  Elymus trachycaulus G. M. Riegel 1979-9-8 759 Modoc South Warner Mtns. 640 Comment
  UC1025027  Elymus trachycaulus Leo Whitney 1935-7-21 3528 Modoc Pit River Comment
  UC1037185  Elymus trachycaulus Leo Whitney 1935-7-23 3571 Modoc USBE Plot Modoc Nation Forest, Happy Camp (15 mi w of Canby) 1463 Comment
  SEINET10554923  Elymus trachycaulus Louis C. Wheeler 1935-8-4 Wheeler 3781 Modoc Dry Lake, Pine Creek. Warner Mts., Modoc Co. S35, T48N, R15E. 2103 Comment
  CAS-BOT-BC204298  Elymus trachycaulus subsp. trachycaulus Louis C. Wheeler 1935-8-4 3780 Modoc Modoc National Forest. Pine Creek, Warner Mts. 2103 Comment
  CAS-BOT-BC247727  Elymus trachycaulus subsp. trachycaulus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10588 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  UCD62630  Elymus trachycaulus subsp. trachycaulus L. Whitney 1935-7-1 3375 Modoc Hackamore River, Hackamore ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  JEPS123837  Elymus triticoides Lowell Ahart, John Dittes 2015-7-17 20400 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  CHSC100509  Elytrigia pontica subsp. pontica Lowell Ahart; John Dittes 2008-8-25 15307 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-notheast of Lookout. 1273 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
  HSC26605  Epilobium brachycarpum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19429 Modoc Near Hager Reservoir Comment
  HSC35737  Epilobium brachycarpum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19405 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC20101  Epilobium brachycarpum Mrs. R. M. Austin Aug. 1894 Modoc Goose Lake Valley Comment
  JEPS89961  Epilobium campestre Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10488 Modoc bed of Snake Lake Warner Mts., Snake Lake 1569 Comment
  UC1191616  Epilobium campestre Herbert L. Mason and Verne Grant 1947-7-10 13329 Modoc 2 miles e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC190997  Epilobium ciliatum subsp. ciliatum Leland S. Smith 1922-7-24 1313 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  HSC65566  Epilobium densiflorum Thomas Wood 1979-8-8 210 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  JEPS86261  Epilobium densiflorum Frances D. Payne 1933-8-5 770 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CHSC96170  Epilobium glaberrimum subsp. fastigiatum R. Fischer 2006-9-9 881 Modoc Collection from the Warner Wilderness within the Warner Mountains, ca. 1 mile south of Patterson Lake along the Summit Trail, near the junction of Pine Creek Basin Trail. 2743 Comment
  CAS-BOT-BC190965  Epilobium hallianum Bruce Bartholomew; Barrett Anderson 1988-6-24 4324 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  HSC16325  Epilobium hallianum M. T. Milligan 1964-6-25 79 Modoc Upper Lassen Creek 1829 Comment
  HSC75591  Epilobium hallianum G. M. Riegel 1980-8-7 1012 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC498683  Epilobium hornemannii Elmer I. Applegate 1932-8-2 8081 Modoc Mill Creek Meadows, Warner Mts. Comment
  CAS-BOT-BC190942  Epilobium oregonense Bruce Bartholomew 1994-7-3 6840 Modoc E side of the Warner Mountains on the road from Lily Lake to Fort Bidwell. 1980 Comment
  CAS-BOT-BC190944  Epilobium oregonense Bruce Bartholomew 1994-7-2 6800 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  CAS-BOT-BC190940  Epilobium pallidum Bruce Bartholomew 1991-7-4 5898 Modoc S end of Higgins Flat. 1370 Comment
  NY1000508  Epilobium pallidum A. Tiehm 1984-6-30 8836 Modoc Northwest side of Bidwell Mountain, 2.2 road miles north of 8 mile creek on the road from Lake Annie 1844 Comment
  CHSC116080  Equisetum laevigatum Lowell Ahart; John Dittes 2015-7-16 20393 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS117681  Eragrostis pectinacea var. pectinacea Lowell Ahart, John Dittes 2010-8-31 17092 Modoc On the west side of Walters Road, 4235 feet south of Modoc County Line, about 4.3 miles (air) south-southwest of Adin, about 7.0 miles (air) northeast of Bieber, Big Valley 1276 Comment
  CAS-BOT-BC95494  Eremogone aculeata Elmer Ivan Applegate 1932-8-5 8171 Modoc Cedar Pass, Warner Mts. Comment
  CHSC109497  Eremogone aculeata L. P. Janeway; B. Castro 2012-7-26 11014 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  CAS-BOT-BC95448  Eremogone congesta Annie Montague Alexander; L. Kellogg 1946-7-7 4925 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  RSA0057715  Eremogone congesta F. W. Peirson 1926-6-26 6908 Modoc Modoc National Forest NW of Canby. Comment
  CAS-BOT-BC14816  Ericameria bloomeri Louis Cutter Wheeler 1935-9-9 3960 Modoc South Mt., Devil's Garden. 1524 Comment
  CAS-BOT-BC291261  Ericameria bloomeri Mrs. C. C. Bruce 1899-8-1 s.n. Modoc Goose Lake Comment
  JEPS32931  Ericameria bloomeri W. L. Jepson 1918-8-6 7839 Modoc Surprise Valley 1615 Comment
  CAS-BOT-BC14821  Ericameria greenei Louis Cutter Wheeler 1935-8-14 3854 Modoc Lily Lake, Warner Mountains 2133 Comment
  SDSU3903  Ericameria greenei D. F. Howe 1966-8-25 4300 Modoc Fandango Pass, Warner Mts. 1859 Comment
  JEPS21525  Ericameria nauseosa var. oreophila W. L. Jepson 1918-8-10 7930 Modoc near Alturas 1371 Comment
  UC31494  Erigeron Milo S. Baker 1893-8-9 Modoc Comment
  CAS-BOT-BC42833  Erigeron austiniae M. M. Hanna 1956-6-4 949 Modoc Turn of highway Alturas to Cedarville. Comment
  CAS-BOT-BC42840  Erigeron austiniae Bruce Bartholomew 1993-6-14 6650 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  CAS-BOT-BC42842  Erigeron austiniae Bruce Bartholomew; Barrett Anderson 1989-6-3 4874 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  RSA74773  Erigeron barbellulatus Elroy Robinson 1936-7-20 b 115 Modoc Along trail bet Mono Hot Springs and Mono Meadow. 2134 Comment
  CAS-BOT-BC248347  Erigeron bloomeri var. bloomeri B. Bartholomew; H. Sun 2002-6-24 8830 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CAS-BOT-BC42805  Erigeron bloomeri var. bloomeri Alice Eastwood; John Thomas Howell 1940-6-12 8104 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC42807  Erigeron bloomeri var. bloomeri M. M. Hanna 1956-6-3 s.n. Modoc Hiway between Alturas & Cedarville, Calif. Comment
  CAS-BOT-BC42813  Erigeron bloomeri var. bloomeri Roxana S. Ferris; Rena P. Duthie 1919-6-14 67 Modoc Above Parker Creek, at Modoc National Forest boundary Comment
  CAS-BOT-BC42849  Erigeron bloomeri var. bloomeri Bruce Bartholomew; Barrett Anderson 1988-6-25 4393 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  CHSC112854  Erigeron bloomeri var. bloomeri L. P. Janeway; B. Castro 2014-6-2 11281 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  POM36268  Erigeron bloomeri var. bloomeri Mrs. R. M. Austin 1895-06 554 Modoc Goose Lake Valley Comment
  CAS-BOT-BC42801  Erigeron bloomeri var. bloomeri Mrs. H. C. Cantelow 1940-6-2 3226 Modoc NW of Canby. Comment
  UC895621  Erigeron bloomeri var. bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi e Alturas 1615 Comment
  HSC5552  Erigeron chrysopsidis var. austinae R. C. Wunner 1965-6-13 166 Modoc NW entrance of Gillems Camp near Howitzer Circle 1220 Comment
  UC895614  Erigeron chrysopsidis var. austiniae C. L. Hitchcock 1940-5-27 6652 Modoc 9 mi ne Alturas 1402 Comment
  CAS-BOT-BC294906  Erigeron chrysopsidis var. austiniae Elmer I. Applegate 1936-5-17 10312 Modoc Lava Beds National Monument. Top of Gillams bluff Comment
  UC87550  Erigeron chrysopsidis var. austiniae Mrs. R. M. Austin 1894-5-1 84 Modoc Lassen Creek Comment
  RSA164349  Erigeron compositus Clare B. Hardham 1961-6-19 7889 Modoc Road from Mount Bidwell to Dismal Creek 2439 Comment
  UC195007  Erigeron coulteri W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head, in mountain meadow N. Fork Parker Cr.; Warner Mountains, N. Fork Parker Cr. 2225 Comment
  CAS-BOT-BC42777  Erigeron divergens Annie M. Alexander; Louise Kellogg 1946-6-4 4658 Modoc Eagleville. Comment
  POM357394  Erigeron divergens Christopher Davidson 1973-5-24 2102 Modoc Junction of Hwy. 395 and County Road 63, near Likely, south of Alturas 1311 Comment
  UC748126  Erigeron divergens Annie M. Alexander and Louise Kellogg 1946-6-20 4809 Modoc field below town Eagleville 1303 Comment
  CAS-BOT-BC42783  Erigeron eatonii var. plantagineus Annie M. Alexander; Louise Kellogg 1946-6-26 4833 Modoc Dismal Swamp, north end of Warner Mountains 2255 Comment
  SBBG22132  Erigeron eatonii var. plantagineus C. B. Hardham 1961-6-18 7573 Modoc mtns S of Cedar Pass 1981 Comment
  UC1540243  Erigeron eatonii var. plantagineus Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9112 Modoc headwaters of upper South Deep Creek Warner Mountains 2194 Comment
  JEPS15467  Erigeron eatonii var. plantagineus Joseph and Hilda W. Grinnell 1938-6-16 1113 a Modoc Cedar Pass summit Warner Mountains 1920 Comment
  UC619259  Erigeron eatonii var. plantagineus J. and H. W. Grinnell 1938-6-16 1113 Modoc Cedar Pass summit Warner Mountains 1935 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
  CAS-BOT-BC42771  Erigeron filifolius John Thomas Howell 1934-6-12 12014 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC42775  Erigeron filifolius Bruce Bartholomew 1989-7-15 5009 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC49626  Erigeron filifolius Alice Eastwood; John Thomas Howell 1940-6-13 8158 Modoc E side of Fandango Pass. Comment
  CAS-BOT-BC49631  Erigeron filifolius John Thomas Howell 1934-6-30 12283 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC49615  Erigeron glacialis var. glacialis Louis Cutter Wheeler 1935-8-8 3806 Modoc Pine Creek, Warner Mountains Comment
  CAS-BOT-BC49617  Erigeron glacialis var. glacialis Elmer Ivan Applegate 1932-7-9 7593 Modoc N slope of Bidwell Mountain, Warner Mountains Comment
  JEPS5925  Erigeron glacialis var. glacialis Frances D. Payne 1931-6-25 263 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  JEPS41396  Erigeron glacialis var. glacialis L. S. Smith 1918-6-22 944 Modoc High Grade District, in meadow of Lily Lake Modoc Forest, Lily Lake, High Grade District 2133 Comment
  CAS-BOT-BC49635  Erigeron inornatus var. inornatus Bruce Bartholomew 1989-7-14 4951 Modoc ca. 6.5 km NE of Egg Lake and 0.8 km E of Survice Gulch. 1340 Comment
  CAS-BOT-BC49637  Erigeron inornatus var. inornatus Leland S. Smith 1922-7-24 1290 Modoc Grouse Mt. 1981 Comment
  CAS-BOT-BC49611  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8083 Modoc Jess Valley. Comment
  JEPS41572  Erigeron linearis N. T. Mirov 1929-7-4 Modoc Lily Lake Warner Mountains, Lily Lake (about 1 mi s of Oregon-California boundary) 2438 Comment
  RSA26208  Erigeron linearis Alice Eastwood, John Thomas Howell 1940-6-12 8104 a Modoc West side of Cedar Pass. Comment
  UC1035993  Erigeron linearis Helen K. Sharsmith 1955-6-23 4492 Modoc 6.7 mi e Cedar Campground (just s of State Highway 29); Warner Mountains, Modoc National Forest 1859 Comment
  RSA606127  Erigeron peregrinus subsp. callianthemus L. C. Wheeler 1935-8-8 3806 Modoc Consolidated Mine, Pine Creek, Warner Mountains. 2287 Comment
  CAS-BOT-BC49578  Erigeron philadelphicus Annie Montague Alexander; L. Kellogg 1946-7-7 4918 Modoc Below Lake City. Comment
  UCR92402  Erigeron pumilus subsp. intermedius Kathy Harper, D. Karr 1994-6-16 s.n. Modoc Modoc Plateau, near Spaulding Lake, along Calif. Hwy 139, c. 15 mi. south of Tionesta Road, NW of Canby near Hackamore 1160 Comment
  CAS-BOT-BC49586  Erigeron pumilus subsp. intermedius M. M. Hanna 1956-6-7 s.n. Modoc Highway 139, Canby to Tienesta. Comment
  UC748127  Erigeron tener Annie M. Alexander and Louise Kellogg 1946-7-23 5045 Modoc summit Emerson Peak; Warner Mountains, Emerson Peak 2749 Comment
  CAS-BOT-BC197832  Eriogonum caespitosum M. Vasey 1990-6-28 9006 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail, Wouth Warner Wilderness. 2590 Comment
  HSC80736  Eriogonum douglasii G. M. Riegel 1980-8-13 1064 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC197830  Eriogonum douglasii var. meridionale Bruce Bartholomew 1991-8-5 6029 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  RSA65181  Eriogonum elatum var. elatum F. W. Peirson 1926-6-25 6860 Modoc West slope of Warner Mountains on Cedarville Road. Comment
  CDA35639  Eriogonum nudum J. R. Keck Jr. 1985-7-1 PDR# 237693 & PDR# 237694 Modoc U. S. Forest Service land, Modoc National Forest. 0 Comment
  CAS-BOT-BC211438  Eriogonum nudum var. pubiflorum John Thomas Howell 1935-6-12 11985 Modoc Surprise Station. Comment
  CAS-BOT-BC211439  Eriogonum nudum var. pubiflorum Elmer Ivan Applegate 1932-8-1 7995 Modoc N of Mill Creek Meadow, Warner Mts. Comment
  HSC41115  Eriogonum nudum var. pubiflorum Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3257 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  UCD100708  Eriogonum nudum var. pubiflorum Richard R. Halse 2004-7-22 6671 Modoc along US Hwy 395, 6 miles north of Alturus. 1341 Comment
  UCD77673  Eriogonum nudum var. pubiflorum Robert E. Preston 2000-7-17 1395 Modoc Ca. 11 mi nw of Canby, along Hwy 139, T42N R8E Section 3 1490 Comment
  JEPS56641  Eriogonum nudum var. pubiflorum Frances D. Payne 1929-7-26 127 Modoc 2 mi s Mt. Warren (Pine Creek Basin); Warner Mts., Pine Creek Basin 2133 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
  UC412793  Eriogonum nudum var. pubiflorum M. F. Gilman 574 Modoc 1676 Comment
  CAS-BOT-BC211398  Eriogonum ovalifolium var. ovalifolium Bruce Bartholomew; Barrett Anderson 1989-6-2 4828 Modoc 9.7 km E of Eagleville at the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC211399  Eriogonum ovalifolium var. ovalifolium Bruce Bartholomew 1991-5-24 5711 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  SBBG18304  Eriogonum sphaerocephalum C. B. Hardham 1961-6-19 7852 Modoc Willow Crk 1524 Comment
  CAS-BOT-BC211381  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew; Barrett Anderson 1990-7-19 5393 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CHSC114015  Eriogonum sphaerocephalum var. halimioides L. P. Janeway 2014-7-7 11439 Modoc Warner Mountains. East side of crest of Warner Mountains 2.3 air-km east of Cedar Pass; along Road 43N07 1.4 road-km east of Stough Reservoir. 2000 Comment
  POM319185  Eriogonum sphaerocephalum var. halimioides Patricia Wilder 1971-6-20 5096 Modoc Lookout-White Horse Rd., about 3 mi. west of Lookout; north of Bieber and California State Hiway 299. Pit River Drainage, Cascades Mt. Range. 1372 Comment
  RSA531350  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew, B. Anderson 1988-6-25 4395 Modoc 5.6 km NW of State Highway 299 on County Rd. 73. 1500 Comment
  UC705543  Eriogonum sphaerocephalum var. halimioides Marion Ownbey, Fred G. Meyer 1940-7-1 2151 Modoc Cedar Peak Warner Mts., Cedar Peak Comment
  RSA149071  Eriogonum sphaerocephalum var. halimioides I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16387 Modoc Rocky clay mesa 5 mi. east of California State Highway 299, along Cedar Pass Rd. Comment
  SEINET11261404  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1983-7-29 83- 116 -6 Modoc 1.1 mi N of Stowe Reservoir Campground, N. of Cedar Pass, Warner Mtns.; 0 2088 Comment
  CAS-BOT-BC211328  Eriogonum umbellatum var. dichrocephalum J. L. Reveal; Darin Scott Reveal 1978-8-11 4821 Modoc Warner Mts., along Modoc Co. Rd. 2 from near New Pine Creek to Fort Bidwell, just E of Poison Lake turnoff about 5.4 miles E of US Hwy 395 1935 Comment
  CAS-BOT-BC211329  Eriogonum umbellatum var. dichrocephalum Louis Cutter Wheeler 1935-8-14 3843 Modoc Pine Creek, Warner Mts. 2011 Comment
  CHSC118314  Eriogonum umbellatum var. modocense L. P. Janeway 2016-5-17 12029 Modoc Modoc Plateau. Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  CHSC67125  Eriogonum umbellatum var. modocense James D. Jokerst 1987-5-11 2829 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear lake Reservoir. 1363 Comment
  CHSC70475  Eriogonum umbellatum var. modocense S. Stearns 1997-5-15 2246 Modoc Adjacent to Pipeline ROW just NW of the Mowitz Rd. 1524 Comment
  UCR55660  Eriogonum umbellatum var. modocense G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mtns., Warner Mountains, Bidwell Mountain, c. 3 mi. south of Oregon border in extreme NE corner of state Comment
  CHSC114009  Eriogonum umbellatum var. nevadense L. P. Janeway 2014-7-8 11482 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  CAS-BOT-BC197615  Eriogonum umbellatum var. polyanthum Alice Eastwood; John Thomas Howell 1940-6-14 8213 Modoc 8 mi. NW of Canby. Comment
  POM260788  Eriogonum umbellatum var. polyanthum Thomas Howell 1940-6-13 8115 Modoc [Unspecified] Comment
  SEINET5331989  Eriogonum umbellatum var. polyanthum M. J. Williams 1984-7-1 84- 86 -3 Modoc 3.1 mi N of Hwy 299 on Crowder Flat Road. 1341 Comment
  SEINET5331990  Eriogonum umbellatum var. polyanthum M. J. Williams 1988-5-30 88- 23 -1 Modoc First road into Big Sage Reservoir from Crowder Flat Road, NW of Alturas. 1539 Comment
  SEINET5331991  Eriogonum umbellatum var. polyanthum M. J. Williams 1984-7-1 84- 87 -6 Modoc NW of Alturas, Crowder Flat Road, near Big Sage Reservoir. 1372 Comment
  CAS-BOT-BC197589  Eriogonum vimineum John Thomas Howell 1934-7-1 12301 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC197591  Eriogonum vimineum Clare Butterworth Hardham 7836 Modoc Davis Creek. 1676 Comment
  JEPS56133  Eriogonum vimineum F. H. Frost 1925-7-11 17 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon campsite Comment
  UC295933  Eriogonum vimineum H. M. Hall 1925-8-30 12210 Modoc 30 mi from Lakeview (e side of Goose Lake); Goose Lake Comment
  CAS-BOT-BC49556  Eriophyllum lanatum John Thomas Howell 1934-6-11 11931 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC49560  Eriophyllum lanatum Bruce Bartholomew; Barrett Anderson 1988-6-23 4264 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC49562  Eriophyllum lanatum Bruce Bartholomew 1990-6-17 5296 Modoc Along Emerson Creek, 2.8 km SW of County Rd 1, E side of Warner Mts. 1600 Comment
  CAS-BOT-BC49593  Eriophyllum lanatum John Thomas Howell 1934-7-1 12307 Modoc Duncan Horse Camp. 1355 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
  HSC81111  Eriophyllum lanatum var. achilleoides G. M. Riegel 1980-7-28 954 Modoc South Warner Mtns. 1739 Comment
  UC201712  Eriophyllum lanatum var. achilleoides W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  RSA504844  Eriophyllum lanatum var. achilleoides Bruce Bartholomew, B. Anderson 1988-7-21 4461 Modoc Vicinity of Patterson Campground, Southern end of the Warner Mountains. 668 Comment
  UC896365  Eriophyllum lanatum var. achilleoides A. A. Heller 1938-7-12 15257 a Modoc near w base Deer Mountain (on U.S. Highway 97) Comment
  HSC8477  Erodium cicutarium D. M. Thomson 1965-7-18 153 Modoc Lava Beds N.M., North boundry Rd., near Canbys Cross. Comment
  RSA604001  Eryngium alismifolium L. C. Wheeler 1935-8-21 3900 Modoc Devil's Garden: Pine Spring 1524 Comment
  CAS-BOT-BC21478  Eryngium articulatum Leland S. Smith 1922-8-10 1334 Modoc Medow W of Gutzman's. 1432 Comment
  JEPS114397  Eryngium articulatum Lowell Ahart, John Dittes 2008-8-25 15285 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-notheast of Lookout 1273 Comment
  JEPS16990  Eryngium articulatum M. S. Baker and Franklin P. Nutting 1894-8-30 Modoc near Forestdale Comment
  UC1487324  Eryngium articulatum Lisa Ganio 1981-9-1 18 Modoc at mouth of s.w. drainage of Bayley Reservoir 1584 Comment
  CAS-BOT-BC498688  Eryngium articulatum M. S. Baker; Frank Nutting 1930-8-1 s.n. Modoc Near Forestdale Comment
  SD230151  Eryngium articulatum Louis C. Wheeler 1935-9-13 3985 Modoc Devil's Garden: Fletcher Creek at Pease Place. Among rocks in dry sunny stream bed. 1523 Comment
  POM95422  Erysimum capitatum Mrs. R. M. Austin, Bruce 1898-06 2252 Modoc Lake City Mt. 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-BC58328  Erysimum capitatum var. capitatum M. M. Hanna 1956-6-7 Modoc East side, Glass Mtn., 4 mi. Comment
  CHSC85103  Erysimum repandum John Dittes; Josephine Guardino 1991-6-1 367 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
  CHSC114309  Erysimum repandum Carri Pirosko 2008-6-10 Modoc Alturas, Schluter Ranch, Pencil Rd. X HWY 395. Comment
  RSA563313  Erysimum repandum Bruce Bartholomew, M. Bourell 1990-4-27 5185 Modoc 10.3 km NW of Hwy 299 on Crowder Flat Rd. (Elevation 1) Comment
  CAS-BOT-BC234511  Erythranthe arvensis Bruce Bartholomew; Barrett Anderson 1989-6-2 4790 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC229907  Erythranthe breweri Bruce Bartholomew 1991-7-7 6004 Modoc SE end of Sweargart Flat. 1820 Comment
  CAS-BOT-BC234507  Erythranthe guttata Belknap C. Goldsmith 1912-8-5 71 Modoc W side of Goose Lake. 1463 Comment
  CAS-BOT-BC234463  Erythranthe primuloides K. Paulson; Robert Paulson 1988-6-29 63 Modoc Benton Meadow, Warner Mts.. 1676 Comment
  CAS-BOT-BC234470  Erythranthe pulsiferae K. Paulson 1978-6-24 s.n. Modoc Egg Lake. Comment
  CAS-BOT-BC234472  Erythranthe pulsiferae Bruce Bartholomew 1991-6-23 5885 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  CAS-BOT-BC234474  Erythranthe pulsiferae Bruce Bartholomew; Barrett Anderson 1989-6-3 4910 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC190755  Eschscholzia californica Elmer Ivan Applegate 1936-7-5 10530 Modoc Hospital Rock, Lave Beds National Monument. Comment
  CAS-BOT-BC402922  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Modoc Lava Beds National Monument. Caldwell Butte, south slope Comment
  NY68353  Eunanus austiniae R. M. Austin 1885-1 s.n. Modoc Comment
  CAS-BOT-BC95715  Euphorbia serpillifolia Annie Montague Alexander; L. Kellogg 1946-6-20 4808 Modoc Eagleville. 1440 Comment
  CAS-BOT-BC95717  Euphorbia serpillifolia Fred. P. Cronemiller 1920-9-14 17 Modoc Round Valley. 1432 Comment
  CAS-BOT-BC95711  Euphorbia serpillifolia Belknap C. Goldsmith 1912-8-6 84 Modoc W side of Goose Lake. 1463 Comment
  CAS-BOT-BC247711  Festuca idahoensis John Thomas Howell 1934-6-30 12293 Modoc Duncan Horse Camp. 1355 Comment
  CHSC67411  Festuca idahoensis James D. Jokerst 1987-5-14 2875 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, E and adjacent to SW-NE oriented fence. 1348 Comment
  POM264454  Festuca idahoensis A. A. Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin 1829 Comment
  SEINET10559248  Festuca idahoensis Leila M. Shultz, John S. Shultz 1985-6-23 Shultz 8593 Modoc Modoc Plateau at the western extension of the Great Basin between Beeler & Duncan reservoirs north of Canby near Highway 139. Pinus ponderosa-Juniperus occidentalis-Artemisia-Purshia tridentata association; pines laden with lichens. Open areas of gravel soils. 1311 Comment
  CAS-BOT-BC179187  Floerkea proserpinacoides Margaret J. Williams 1984-6-30 84- 80 -1 Modoc 6.8 mi. W of Cedarville-Gerlach road, Granger Canyon Rd. 1981 Comment
  RSA101368  Floerkea proserpinacoides R. Weatherby 1955-7-7 1614 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  SEINET195710  Frasera albicaulis Unknown 1946-7-7 4941 Modoc Eight Mile Creek, northeast corner of county. 1753 Comment
  NY189403  Frasera albicaulis var. modocensis N. H. Holmgren 1978-6-8 8885 Modoc Fort Bidwell-Adel road, 15.1 km (9.4 mi) northeast of Fort Bidwell and 10.5 km (6.5 mi) airline distance. 1680 Comment
  UCR34672  Frasera speciosa J. A. Harpel 1981-8-6 V 38 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  RSA534561  Fraxinus latifolia Bruce Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake 1300 Comment
  UCR71889  Fraxinus latifolia B. Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake. 1300 Comment
  CAS-BOT-BC242104  Fritillaria atropurpurea E. H. Steffen 1917-6-21 50 Modoc Henderson Meadow. 1676 Comment
  CAS-BOT-BC504568  Fritillaria atropurpurea John Thomas Howell 1934-6-14 12121 Modoc Near Lost Lake, Warner Mts 2438 Comment
  UC421755  Fritillaria atropurpurea Mrs. R. M. Austin 117 Modoc above Emigrant Springs (35 mi w of Goose (?)) Comment
Read comments
May 28 2006
  CAS-BOT-BC242097  Fritillaria pudica Bruce Bartholomew; Barrett Anderson 1989-4-28 4657 Modoc 9 km N of State Highway 299 and ca 1.5 km SE Raker & Thomas Reservoir. 1500 Comment
  HSC25436  Fritillaria pudica D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19310 Modoc Soup Springs Campground Comment
  UC3662  Fritillaria pudica Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley; Northern California, Goose Lake Valley Comment
  UC65052  Fritillaria pudica Milo S. Baker 1893-1 Modoc Forestdale Comment
  HSC15555  Fritillaria pudica M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  RSA486788  Fritillaria pudica Bruce Bartholomew, B. Anderson 1988-5-13 4162 Modoc 4 km northwest of Pepperdine, gentle west-facing slope near top of the Warner Mountains 1760 Comment
  UC176215  Fritillaria pudica B. C. Goldsmith 1912-5-8 48 Modoc n of Alturas 1524 Comment
  UC429296  Fritillaria pudica Milo S. Baker 1896-5-15 86 Modoc Levi Brown's place Comment
  CAS-BOT-BC49569  Gaillardia pulchella Bruce Bartholomew 1991-10-13 6126 Modoc Ca. 1.5 km SE of Adin on County Road 88. 1240 Comment
  CAS-BOT-BC304315  Gaillardia pulchella B. Bartholomew 1991-10-13 6126 Modoc Ca 1.5 km SE of Adin on County Rd 88 1240 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
  CAS-BOT-BC225050  Galium aparine Bruce Bartholomew; Barrett Anderson 1990-7-20 5545 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  CAS-BOT-BC225052  Galium aparine Bruce Bartholomew 1991-6-22 5835 Modoc E slope of S end of Warner Mountains, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  CAS-BOT-BC225068  Galium glabrescens subsp. modocense Bruce Bartholomew 1995-9-3 7189 Modoc Steep sagebrush covered slope NW of North Emerson Lake, E side of Warner Mountains. 2400 Comment
  CAS-BOT-BC225069  Galium glabrescens subsp. modocense Bruce Bartholomew 1991-8-5 6071 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  CAS-BOT-BC225070  Galium glabrescens subsp. modocense G. Rugel 1981-6-11 1142 Modoc S facing ridge, N of Granger Canyon. 1645 Comment
  CAS-BOT-BC225072  Galium glabrescens subsp. modocense Annie Montague Alexander; L. Kellogg 1946-7-14 5071 Modoc House Mountain, Warner Mts. Comment
  HSC80868  Galium glabrescens subsp. modocense G. M. Riegel 1980-8-28 1100 Modoc S Warner Mtns., S Warner Wilderness Area 2676 Comment
  HSC19827  Galium mexicanum var. asperulum M. T. Milligan 1966-7-25 577 Modoc E of Jess Valley 1707 Comment
  UCSB17112  Galium serpenticum subsp. scotticum Hardham, Clare 1961-6-20 Modoc Mouth of Fine Creek Canyon, Warner Mountains Comment
  RSA0005775  Galium serpenticum subsp. warnerense Lauramay T. Dempster, C. Hardham 1961-6-19 1710 Modoc Mouth of canyon just SE of New Pine Creek. 1585 Comment
  UC1408970  Galium trifidum var. pusillum R. F. Thorne and C. W. Tilforth 1969-9-5 39168 Modoc Clear Lake Modoc National Forest, Warner Mts. 1767 Comment
  UC416653  Galium triflorum Milo S. Baker 1893-1 Modoc Forestdale Comment
  NY999473  Gayophytum decipiens J. T. Howell 1934-6-14 12125 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  RSA666401  Gayophytum decipiens Barbara Ertter 1988-6-18 7624 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
  POM204135  Gayophytum decipiens J. T. Howell 1934-6-14 12125 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC190846  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
  UC1075753  Gayophytum heterozygum Robert J. Weatherby 1955-7-8 1609 Modoc 7 mi n Fort Bidwell 1874 Comment
  CAS-BOT-BC190829  Gayophytum humile Bruce Bartholomew 1991-6-20 5785 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  RSA293377  Gayophytum humile Reino Alava 1957-7-5 1149 Modoc Cedar Pass, Modoc National Forest. Warner Mountains Comment
  JEPS27566  Gayophytum racemosum Milo S. Baker 1893-6 Modoc near Forestdale Comment
  RSA101494  Gayophytum racemosum R. Weatherby 1955-7-8 1609 -A Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 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-BC190828  Gayophytum racemosum Mrs. H. C. Cantelow 1935-6-8 919 pp Modoc S of Marlin. Comment
  UC422803  Gayophytum ramosissimum Milo S. Baker 1887-1 Modoc Forestdale Comment
  RSA0029456  Geranium oreganum Louis C. Wheeler 1935-8-2 3749 Modoc Warner Mountains: Twenty Mile Creek. 2195 Comment
  UC109430  Geranium viscosissimum unknown Jun 1894 218 Modoc Willow Creek Comment
  UC748252  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-6-30 4878 Modoc Highgrade, w side of ridge, n end of Warner Mountains Warner Mountains 2377 Comment
  UC71600  Geum macrophyllum Mrs. M. H. Manning 1903-6 172 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  RSA252487  Geum macrophyllum Robert F. Thorne, C. W. Tilforth 1969-9-5 39173 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  CAS-BOT-BC214683  Geum triflorum Robert Patterson; Mona Bourell 1993-8-15 5250 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC67129  Geum triflorum James D. Jokerst 1987-5-12 2844 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Vernal pools and margins of woods surrounding pools. 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
  UCR131811  Geum triflorum George Willet 1935-6-25 s.n. Modoc Likely Mountains 1829 Comment
  RSA59762  Geum triflorum E. K. Balls 1950-5-15 14699 Modoc 6 miles SW of Dry Lake Ranger Station, along railroad. 1280 Comment
  UC465638  Geum triflorum M. F. Gilman 637 Modoc Comment
  RSA149067  Geum triflorum var. ciliatum I. L. Wiggins 1961-6-14 16480 Modoc along Lassen Creek, on road to Davis Creek, Warner Mts Comment
  RSA488040  Geum triflorum var. ciliatum Bruce Bartholomew 1988-5-12 4131 Modoc 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  SEINET6709585  Geum triflorum var. ciliatum M. J. Williams 1984-7-1 84- 87 -2 Modoc Northwest of Alturas, Crowder Flat Rd., near Big Sage Reservoir 1372 Comment
  CAS-BOT-BC190706  Gilia brecciarum subsp. brecciarum Elmer Ivan Applegate 1936-5-12 10284 Modoc Top of Petroglyph Butt, Lava Bed National Monument. Comment
  SEINET201592  Gilia capillaris Arthur Cronquist, Athur H. Holmgren 1959-6-20 8522 Modoc Drying swale along intermittent streamlet at Cedarville Pass; Warner Mts. between Cedarville and Alturas 19 Comment
  NY964544  Gilia leptomeria B. M. Bartholomew 1991-6-22 5849 Modoc East side of Surprise Valley, 9.6 km east of Eagleville at the Nevada Border 1520 Comment
  RSA534553  Gilia salticola Bruce Bartholomew 1991-5-24 5710 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CAS-BOT-BC190668  Gilia sinistra subsp. sinistra Bruce Bartholomew 1991-7-4 5915 Modoc Road between Roney Flat and Miller Flat. 1630 Comment
  CAS-BOT-BC190669  Gilia sinistra subsp. sinistra Roxana Stinchfield Ferris; R. Duthie 1919-6-14 106 Modoc Near spring above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC190670  Gilia sinistra subsp. sinistra Bruce Bartholomew 1991-7-6 5970 Modoc Service Gulch, 4.3 km W of County Road 91 on Forest Service road 42N03. 1330 Comment
  CAS-BOT-BC190672  Gilia sinistra subsp. sinistra Bruce Bartholomew 1991-7-6 5991 Modoc Vicinity of Happy Camp Lookout, Happy Camp Mountain. 1830 Comment
  RSA334845  Glaux maritima A. Tiehm, Susan Cochrane, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8796 Modoc Surprise Valley, Mineral Wells on east side of Alkali Lake. Comment
  HSC38839  Glyceria borealis J. P. Smith, J. O. Sawyer 1973-8-9 7270 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  JEPS114839  Glyceria borealis Lowell Ahart, John Dittes 2008-6-21 15006 Modoc In shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, 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
  UCD32732  Glyceria elata Beecher Crampton 1954-7-8 2176 Modoc Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  CAS-BOT-BC49527  Gnaphalium palustre Bruce Bartholomew 1991-7-4 5893 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC49536  Gnaphalium palustre John Thomas Howell 1934-6-15 12203 Modoc Dorris Reservoir, 2 miles E of Alturas Comment
  CAS-BOT-BC229893  Gratiola neglecta Verne Grant; I. Schneider 1947-7-20 8094 Modoc S loop of Westside Road, Pit Valley, N of Likely. Comment
  CHSC99253  Gratiola neglecta Lowell Ahart; John Dittes 2008-6-21 14993 Modoc On wet soil, in the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  JEPS3605  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
  SD46112  Gratiola neglecta Verne E. Grant, Irving Schneider 1947-7-20 8094 Modoc margin of irrigation ditch, south loop of Westside Road, Pitt Valley, north of Likely Comment
  CAS-BOT-BC95535  Grayia spinosa Bruce Bartholomew; Barrett Anderson 1989-4-29 4692 Modoc E side of Surprise Valley, just W of the Nevada border and ca. 15 km E of Cedarville. 1500 Comment
  CAS-BOT-BC95537  Grayia spinosa Bruce Bartholomew 1991-6-22 5840 Modoc Surprise Valley, 5.6 km E of Eagleville. 1370 Comment
  CHSC112840  Grindelia nana Lowell Ahart; John Dittes 2013-7-25 18963 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
  UCR57481  Grindelia nana R. D. Goeden, Don W. Ricker 1989-8-23 890823- 14 Modoc Hwy 395, 4 mi NE of Alturas. 1345 Comment
  CAS-BOT-BC54086  Hackelia cusickii Mrs. H. C. Cantelow 1940-6-2 Modoc 10 mi. NW of Canby on road to Lava Beds National Monument. Comment
  CAS-BOT-BC54093  Hackelia cusickii Bruce Bartholomew; Barrett Anderson 1989-6-3 4852 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca. 5.5 km S of Big Sage Reservoir. 1550 Comment
  JEPS25294  Hackelia cusickii Frances D. Payne 1932-6-10 643 Modoc s. & e. Alturas (Parker Creek, Warner Mts.); Warner Mts., Parker Creek 1584 Comment
  JEPS96533  Hackelia cusickii Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12527 Modoc 0.5 mile E of Duncan Reservoir, on hillside on western rim of Black Canyon 1524 Comment
  CAS-BOT-BC54056  Hackelia micrantha Francis Dorris Payne 1931-6-21 225 Modoc Ridge W of Deep Creek, Warner Mountains 1981 Comment
  CAS-BOT-BC54060  Hackelia micrantha Robert Patterson; Mona Bourell 1993-8-15 5272 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC80930  Hackelia micrantha G. M. Riegel 1979-7-3 454 Modoc S Warner Mtns. 1670 Comment
  CHSC100432  Helianthus annuus Lowell Ahart; John Dittes 2008-8-25 15313 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  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
  JEPS127721  Helianthus annuus Alejandro Brambila, Michael Dolan 2016-9-5 CA 320 -176 Modoc South Likely Tablelands on road to Nelson Springs. Population to South after second gate. Comment
  POM311135  Helianthus annuus subsp. lenticularis Annetta Carter 1946-8-18 1775 Modoc Along roadiside in open valley; Eound Valley, 3 miles northeast of Adin 1402 Comment
  HSC5788  Helianthus bolanderi M. T. Milligan 1964-8-8 212 Modoc Corner of East D and 8th Street, Alturas 1372 Comment
  UC32310  Helianthus nuttallii subsp. nuttallii Mrs. R. M. Austin 1894-9-1 Modoc n of Alturas (banks of Pit River); Pit River Comment
  CAS-BOT-BC54062  Heliotropium curassavicum Louis Cutter Wheeler 1935-9-4 3943 Modoc McGinty Point, Goose Lake. 1463 Comment
  HSC3673  Heliotropium curassavicum var. oculatum D. E. Anderson 1962-8-6 2329 Modoc 1 mi. S of Alturas, along 395 Comment
  CAS-BOT-BC49381  Hemizonella minima Bruce Bartholomew; Barrett Anderson 1988-6-23 4274 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  UC1597521  Hemizonella minima Mrs. R. M. Austin Modoc Comment
  CAS-BOT-BC21462  Heracleum lanatum Bruce Bartholomew 1995-7-31 7126 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  CAS-BOT-BC21469  Heracleum lanatum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 163 Modoc Parker Creek at Modoc National Forest boundary. Comment
  CAS-BOT-BC180043  Hesperochiron californicus Edward Kent Balls 1950-5-11 14617 Modoc 8 mi. N of Lake City, W shore of Upper Lake. 1402 Comment
  CAS-BOT-BC180048  Hesperochiron californicus E. H. Steffen 1917-6-20 49 Modoc Jess Valley. 1524 Comment
  RSA794857  Hesperochiron californicus George Willet 1935-6-13 s.n. Modoc 4 miles east of Likely 1524 Comment
  UC26093  Hesperochiron californicus Mrs. R. M. Austin June 1894 Modoc lava beds w. Goose Lake Comment
  SEINET3156116  Hesperochiron pumilus E. K. Balls 1950-5-17 14739 Modoc Howard's Gulch Public Camp, off Hwy. 139, NW of Canby. 1433 Comment
  RSA0110965  Hesperochiron pumilus Bruce Bartholomew, B. Anderson 1988-5-12 4102 Modoc White Horse 1340 Comment
  CAS-BOT-BC179173  Hesperolinon micranthum Frances D. Payne 1932-7-8 670 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC242203  Heteranthera dubia Verne Grant 1947-8-28 8349 Modoc Pit River, ca. 3.5 mi. downstream from Canby, at entrance of gorge. Comment
  HSC20200  Heuchera cylindrica M. T. Milligan 1966-7-5 552 Modoc E of Jess Valley 1829 Comment
  SEINET6033406  Heuchera cylindrica L. P. Janeway 2014-7-7 11451 Modoc Warner Mountains, north facing slope along Road 46N25 along Mill Creek, 1.0 km from Bidwell Creek; 5.2 air km northwest of Fort Bidwell. Mt. Bidwell 7.5' quad 1554 Comment
  JEPS27160  Heuchera cylindrica var. ovalifolia Lauramay T. Dempster 1961-6-19 1702 Modoc headwaters of the South Fork of Davis Creek (e of Davis Creek (town)) 2286 Comment
  HSC80724  Heuchera rubescens G. M. Riegel 1980-7-31 981 Modoc S Warner Mtns. 1829 Comment
  HSC81134  Hieracium horridum G. M. Riegel 1979-8-25 692 Modoc South Warner Mtns. 1670 Comment
  UC194095  Hieracium nudicaule Milo S. Baker Jul 3 1893-Jan 1 1900 Modoc Comment
  CAS-BOT-BC49480  Hieracium scouleri Leland S. Smith 1917-7-18 76 Modoc Soldier Creek, Modoc N.F. 1950 Comment
  CAS-BOT-BC49482  Hieracium scouleri Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10578 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mtns., Modoc N.F. Comment
  CAS-BOT-BC49516  Hieracium scouleri Elmer Ivan Applegate 1932-8-7 8236 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC49521  Hieracium scouleri Annie Montague Alexander; L. Kellogg 1946-7-7 4935 Modoc Eight Mile Creek, NE corner of county 1752 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
  JEPS5974  Hieracium scouleri Frances D. Payne 1929-7-20 104 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SJSU9706  Hieracium scouleri W. Savage 1979-7-10 1526 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  SD241835  Hippuris vulgaris Louis C. Wheeler 1935-9-8 3957 Modoc Tuttle Place, W side Goose Lake. In shallow sunny pond. 1463 Comment
  CAS-BOT-BC214688  Holodiscus microphyllus var. glabrescens Elmer Ivan Applegate 1932-8-1 7998 Modoc W slope of Warner Mts. S of Warren Peak. Comment
  CAS-BOT-BC214703  Holodiscus microphyllus var. glabrescens Alice Eastwood; John Thomas Howell 1940-6-12 8062 Modoc Between Likely and Jess Valley. Comment
  NY446368  Holosteum umbellatum G. Schoolcraft 1981-5-6 376 Modoc North of Alturas 1463.0 Comment
  SJSU9601  Hordeum brachyantherum W. Savage 1979-7-5 1371 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD85367  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1954-7-7 2165 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  CAS-BOT-BC247679  Hordeum jubatum Herbert Louis Mason 1947-8-9 13478 Modoc E side of Fairchild Swamp, N of Alturas. Comment
  JEPS74021  Hordeum jubatum Frances D. Payne 1932-7-20 715 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  POM313215  Hordeum jubatum H. L. Mason 1947-8-9 13478 Modoc East side of Fairchild Swamp, north of Alturas Comment
  RSA210781  Hordeum jubatum J. Henrickson, C. W. Tilforth 1969-9-4 39064 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  JEPS113064  Horkelia fusca var. brownii Roy Buck 1987-6-6 666 Modoc at end of road just W of Egg Lake Comment
  CAS-BOT-BC214708  Horkelia fusca var. pseudocapitata Elmer Ivan Applegate 1932-7-31 7688 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  SEINET188114  Hydrophyllum capitatum C. L. Hitchcock 1940-5-27 6682 Modoc 15 miles northeast of Alturas. 1615 Comment
  CAS-BOT-BC179318  Hydrophyllum capitatum var. alpinum Bruce Bartholomew 1990-6-15 5226 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  CAS-BOT-BC179319  Hydrophyllum capitatum var. alpinum Leland S. Smith 1919-6-1 1107 Modoc Deep Creek Ranger Station above pasture. 1524 Comment
  HSC13546  Hydrophyllum capitatum var. alpinum M. T. Milligan 1966-5-14 611 Modoc E slope of eroded volcanic plateau 1677 Comment
  UC71797  Hydrophyllum capitatum var. alpinum Mrs. M. H. Manning 1903-1 87 Modoc se slope Mt. Bidwell (ne Modoc County) Comment
  UC748438  Hydrophyllum capitatum var. alpinum Annie M. Alexander and Louise Kellogg 1946-6-8 4704 Modoc road from Eagleville to Patterson Mill (near 3 mi Ranger Station sign) 2225 Comment
  UC880767  Hydrophyllum capitatum var. alpinum C. L. Hitchcock 1940-5-27 6682 Modoc 15 mi ne Alturas 1615 Comment
  HSC13547  Hydrophyllum capitatum var. alpinum M. T. Milligan 1964-5-17 30 Modoc 4 mi. N of Hwy. 299 on Big Sage Road 1524 Comment
  RSA152598  Hydrophyllum capitatum var. alpinum I. L. Wiggins, Dorothy Wiggins 1961-6-12 16407 Modoc Cedar Creek Campground, 3 miles east of Thoms Creek Bridge. Comment
  CHSC109485  Hymenoxys hoopesii L. P. Janeway; B. Castro 2012-7-25 10978 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  CAS-BOT-BC497343  Hypericum scouleri G. Schoolcraft 1999-7-13 2864 Modoc Lower slopes of Warner Mtns., 3 mi N of Eagleville 1463 Comment
  CAS-BOT-BC49489  Hypochaeris glabra Bruce Bartholomew 1993-6-13 6645 Modoc Vicinity of hot spring, ca. 0.6 km NE of Leonard Hot Spring, E side of Surprise Valley. 1430 Comment
  CAS-BOT-BC58402  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1989-4-30 4709 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  UC10772  Idahoa scapigera Mrs. R. M. Austin April, 1894 Modoc Goose Lake Valley Comment
  SFV10985  Iliamna bakeri J. Turner, F. M. Ball 1962-7-12 1188 Modoc Shortly below summit of Fandango Pass on east side. 1829 Comment
  UC932081  Iliamna bakeri Verne Grant and Alva Grant 1947-7-13 8019 Modoc Fandango Pass Warner Mountains Comment
  UC449782  Ipomopsis aggregata W. P. Taylor and H. C. Bryant 1910-7-13 Modoc hea of N. Fork Parker Creek Warner Mtns 2225 Comment
  CAS-BOT-BC190650  Ipomopsis aggregata subsp. aggregata John Thomas Howell 1934-6-11 11951 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC190652  Ipomopsis aggregata subsp. aggregata K. Paulson; Robert Paulson 1989-7-2 163 Modoc Near Grouse Springs. 1621 Comment
  CAS-BOT-BC190637  Ipomopsis congesta subsp. palmifrons Annie Montague Alexander; L. Kellogg 1946-7-11 4969 Modoc Eight Mile Creek, NE corner of county. Comment
  CAS-BOT-BC190641  Ipomopsis congesta subsp. palmifrons Bruce Bartholomew 1995-8-1 7151 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CAS-BOT-BC245097  Iris missouriensis C. L. Hitchcock 1940-5-28 6727 Modoc 15 mi. N of Alturas. 1402 Comment
  CAS-BOT-BC245102  Iris missouriensis Gordon H. True 1964-6-3 1449 Modoc Ca. 5 mi. S of Cedarville. 1463 Comment
  CAS-BOT-BC245100  Iris missouriensis P. Monnet 1913-7-7 932 Modoc Surprise Valley. Comment
  JEPS123849  Isatis tinctoria Lowell Ahart, John Dittes 2015-7-17 20402 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  CAS-BOT-BC30188  Isoetes bolanderi Annie Montague Alexander; L. Kellogg 1948-9-21 5624 Modoc 1 mi. SW top of grade between New Pine Creek and Fort Bidwell. 2286 Comment
  CAS-BOT-BC214723  Ivesia gordonii Annie Montague Alexander; L. Kellogg 1946-7-30 5096 Modoc E slope near summit of Eagle Peak, Warner Mts. Comment
  JEPS91217  Ivesia gordonii Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10464 Modoc Warner Mountains, steep northeast face Eagle Peak 2880 Comment
  CAS-BOT-BC245071  Juncus bufonius var. occidentalis Louis Cutter Wheeler 1935-8-1 3738 Modoc Dismal Swamp. 2225 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
  JEPS67089  Juncus bufonius var. occidentalis W. L. Jepson 1918-8-7 7903 Modoc Summit Mt. Bidwell 2468 Comment
  CAS-BOT-BC245065  Juncus confusus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10580 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CHSC100190  Juncus ensifolius John Dittes; Josephine Guardino 1991-8-24 461 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
  CHSC31497  Juncus ensifolius N. E. H. Prouty 1980-8-6 213 Modoc Modoc Nat. Forest. Meadow on southern bank of North Fork Pine Creek. 1524 Comment
  CAS-BOT-BC245051  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1991-7-4 5906 Modoc Roney Flat. 1460 Comment
  UC1100956  Juncus mexicanus Herbert L. Mason and Verne Grant 1947-7-12 13426 Modoc n of Likely (s loop of w side road) Comment
  UC2483  Juncus mexicanus Baker and Nutting Modoc Dixie Valley Comment
  CAS-BOT-BC245042  Juncus nevadensis Leland S. Smith 1918-6-23 952 Modoc along trail, West Slope - wet; Modoc National Forest, Lily Lake 2042 Comment
  CAS-BOT-BC245044  Juncus nevadensis Bruce Bartholomew; Barrett Anderson 1988-7-23 4584 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  CHSC38994  Juncus nevadensis J. D. Jokerst 1983-7-18 1843 Modoc Large meadow area called Miller Flat at the east edge of mdw. NW of the town of Aden. Comment
  JEPS49051  Juncus nevadensis Leland S. Smith 1920-7-13 1184 Modoc Crowder Flat Ranger Station Comment
  RSA30797  Juncus nevadensis C. L. Hitchcock 1940-5-27 6715 Modoc 15 miles NE of Alturas. Comment
  UC1587051  Juncus nevadensis G. Schoolcraft 1991-7-25 2190 Modoc about 1.5 mi w Canby 1325 Comment
  UC1601765  Juncus orthophyllus Milo S. Baker 1893-7-8 Modoc Egg Lake Comment
  UCR70887  Juncus orthophyllus George Willet 1935-6-14 s.n. Modoc 4 mi east of Likely 1524 Comment
  CAS-BOT-BC245040  Juncus torreyi R. M. Austin 1885-8-1 s.n. Modoc Shore of Goose Lake. Comment
  JEPS48237  Juniperus communis Frances D. Payne 1932-7-1 653 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin Comment
  JEPS48240  Juniperus occidentalis F. H. Frost 1925-7-11 26 Modoc Cedar Canyon campsite 2 mi above Cedarville Comment
  SFV18017  Juniperus occidentalis 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
  JEPS57498  Juniperus occidentalis var. occidentalis L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-8-12 2120 Modoc rocky slopes s of Lassen Creek and e Goose Lake ((ca . 4 mi se of Willow Ranch)); s of Lassen Creek and e of Goose Lake 1584 Comment
  RSA6220  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1932-7-9 7622 Modoc Big Grade, Fandango Pass. Goose Lake side Comment
  RSA67241  Juniperus occidentalis var. occidentalis Philip A. Munz 1951-9-14 16975 Modoc West base of Warner Mountains, 4.2 miles east of Likely 1418 Comment
  RSA93401  Juniperus occidentalis var. occidentalis Milo S. Baker 1936-6-14 8315 Modoc Malin to Quarantine Station Comment
  CAS-BOT-BC225086  Kelloggia galioides Annie Montague Alexander; L. Kellogg 1946-7-23 5039 Modoc E slope of Emerson Peak. Comment
  HSC19852  Kelloggia galioides M. T. Milligan 1965-6-30 388 Modoc Slopes and ridges E of Jess Valley 1738 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
  RSA17717  Kelloggia galioides Elmer I. Applegate 1932-7-31 7986 Modoc Mill Creek Meadows. Warner Mtns. Comment
  UC71750  Kelloggia galioides Mrs. M. H. Manning 1903-8-22 301 Modoc ne slope Fandango (ne Modoc County); Warner Mts. 1981 Comment
  UC748482  Kelloggia galioides Annie M. Alexander and Louise Kellogg 1946-7-23 5039 Modoc e slope Emerson Peak; Warner Mountains Comment
  HSC10667  Koeleria macrantha M. T. Milligan 1964-6-20 59 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  UC1024945  Koeleria macrantha Leo Whitney 1935-7-2 3325 Modoc ca 17 mi nw Canby; Badger Wells Comment
  UC1137087  Koeleria macrantha August L. Hormay 1932-7-14 Modoc D D plot site Comment
  CDA7516  Lactuca tatarica subsp. pulchella T. C. Fuller 1958-7-8 2029 Modoc Davis Creek. 0 Comment
  UC33036  Lactuca tatarica subsp. pulchella Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC179873  Lamium amplexicaule Leland S. Smith 1919-5-1 1082 Modoc Jess Valley, Clarke Ranch. 1600 Comment
  CAS-BOT-BC54069  Lappula redowskii Leland S. Smith 1922-10-22 1337 Modoc Below rim E side Tule Lake. 1341 Comment
  UC71569  Lappula redowskii Mrs. M. H. Manning c. 1899 170 Modoc Fort Bidwell n.e. Modoc Co., Fort Bidwell Comment
  CAS-BOT-BC49452  Lasthenia glaberrima Bruce Bartholomew 1991-10-12 6110 Modoc Ash Creek, 1.8 km S of County Rd. 87 on County Rd. 87A. 1280 Comment
  RSA101362  Lathyrus pauciflorus subsp. brownii C. A. Weatherby 1955-7-8 1621 Modoc 6 miles north of Ft. Bidwell, northern Warner Mts. 1784 Comment
  RSA488037  Lathyrus pauciflorus subsp. brownii Bruce Bartholomew, B. Anderson 1988-5-12 4123 Modoc SE side of Egg Lake, ca. 1 km E of the Burlington Nrothern Railroad track. 1290 Comment
  CAS-BOT-BC49459  Layia glandulosa Bruce Bartholomew 1993-6-13 6615 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  UC1101296  Lemna gibba Verne Grant, Irving Schneider 1947-7-21 8125 Modoc n of Alturas (North Fork Pitt River by bridge on Highway 395); North Fork Pitt River Comment
  UCD138123  Lemna minor Verne Grant; Irving Schneider 1947-7-19 8064 Modoc corporation ranch; irrigation ditch south of south loop road, south of Alturas. 85 Comment
  CAS-BOT-BC245027  Lemna trisulca Verne Grant; I. Schneider 1947-7-19 8065 Modoc Corporation ranch, south of south loop road, S of Alturas. Comment
  JEPS117373  Lepidium campestre Lowell Ahart, John Dittes 2010-8-30 17079 Modoc On the north side of a wash, about 150 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
  JEPS127293  Lepidium chalepense Lowell Ahart, John Dittes 2016-7-14 21166 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
  JEPS114357  Lepidium lasiocarpum Lowell Ahart, John Dittes 2008-8-26 15332 Modoc On the sides of County Road 85a, 7.5 miles (air) north-northeast of Lookout 1303 Comment
  CAS-BOT-BC58301  Lepidium perfoliatum Gordon H. True 1965-5-7 1879 Modoc Between Alturas and Goose Lake at Cedarville Road intersection. 1463 Comment
  HSC95687  Lepidium perfoliatum Juha Pykala, D. H. Norris 1987-5-28 1210 Modoc Surprise Valley, E of Cedarville, Hwy. 299 across Middle Alkali Lake 1363 Comment
  UC725918  Lepidium perfoliatum A. A. Heller 1941-6-26 16218 Modoc e end Canby (along U.S. Highway 299) Comment
  SEINET5512248  Leptodactylon pungens var. hookeri J. C. Beatley 1964-1 Modoc Tule Lake area 1829 Comment
  SJSU9559  Leptosiphon harknessii W. Savage 1979-7-3 1299 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC109492  Leptosiphon nuttallii subsp. nuttallii L. P. Janeway; B. Castro 2012-7-26 11002 Modoc Warner Mountains. Along dirt road west of and above Little Lily Lake 2.3 air km north of Mt. Vida. 2280 Comment
  RSA520450  Leucophysalis nana Bruce Bartholomew, B. Anderson 1990-7-20 5533 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  RSA464466  Lewisia nevadensis George Willet 1935-6-21 s.n. Modoc Modoc County: Warren Mtns. 2439 Comment
  UC748124  Lewisia pygmaea Annie M. Alexander and Louise Kellogg 1946-7-29 5086 Modoc flat below divide Warner Mountains, Eagle Creek (head of Eagle Creek) Comment
  CAS-BOT-BC197492  Lewisia rediviva K. Paulson; Robert Paulson 1989-5-21 124 Modoc Steele Swamp Road, Devil's Garden. 1371 Comment
  CAS-BOT-BC197494  Lewisia rediviva Isabelo T. Kelly 1930-1-1 16 Modoc Fort Bidwell. Comment
  CAS-BOT-BC197485  Lewisia rediviva Leland S. Smith 1917-6-5 25 Modoc So. Fork Pitt River Canyon. Sec. 26. 1676 Comment
  CAS-BOT-BC197490  Lewisia rediviva Leland S. Smith 1917-6-5 27 Modoc So. Fork Pitt River Canon. 1676 Comment
  NY497586  Lewisia rediviva K. Paulson 1988-5-22 4 Modoc Eagle Swamp Road, Devil's Garden 1402.1 Comment
  JEPS118211  Lewisia triphylla Dean W. Taylor 2004-5-15 19070 Modoc 1.5 mi SW of Hermitt Butte (ca. 18 air miles SW of Alturas) 1767 Comment
  CAS-BOT-BC247636  Leymus cinereus Bruce Bartholomew 1990-6-17 5287 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  SEINET179457 Image available Leymus triticoides F. Payne 782 Modoc Warner Mountains Comment
  UC536901  Leymus triticoides Frances Payne 782 Modoc Warner Mts. Comment
  UCD64650  Leymus triticoides Beecher Crampton 1954-7-7 2154 Modoc Alturas. Vacant lot behind Niles theatre. Comment
  CAS-BOT-BC21460  Ligusticum grayi Bruce Bartholomew; Barrett Anderson 1990-7-20 5509 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  JEPS16567  Ligusticum grayi L. S. Smith 1918-7-11 985 Modoc Warner Mts., Mill Creek Meadow 2072 Comment
  UC748405  Ligusticum grayi Annie M. Alexander and Louise Kellogg 1946-7-18 5014 Modoc Warner Mts., Benton Meadow 2072 Comment
  UC1100168  Lilaea scilloides Herbert L. Mason and Verne Grant 1947-7-11 13375 Modoc s of Alturas (w side of road); South Fork of Pit River Comment
  CDA41410  Limosella aquatica G. D. Barbe 1985-8-29 4250 Modoc West of Westside Road, South Fork of Pit River south of Alturas. 0 Comment
  CAS-BOT-BC198050  Linanthus ciliatus Bruce Bartholomew; Barrett Anderson 1988-6-23 4271 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC198041  Linanthus harknessii Bruce Bartholomew; Barrett Anderson 1990-7-19 5414 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  SJSU9649  Linanthus pungens W. Savage 1979-7-8 1483 Modoc N end Fairchild Swamp Unit, Triangle Devils Garden District, Modoc National Forest 1493 Comment
  RSA59596  Linanthus pungens subsp. hookeri Verne Grant, Alva Grant 1950-7-14 8945 Modoc North flank of Cedarr Peak near summit, Warner Mountains 2195 Comment
  UC1178811  Linanthus septentrionalis Herbert L. Mason 1947-7-8 13307 Modoc Cedar Pass, summit of Warner Mountains Warner Mountains 1921 Comment
  CDA6369  Linaria vulgaris T. C. Fuller 1963-7-16 10910 Modoc Lassen Creek, Sugar Hill Planting, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CDA36139  Linaria vulgaris CDFA Staff Aug 1985 Modoc Stronghold. 0 Comment
  CAS-BOT-BC179153  Linum lewisii M. M. Hanna 1956-6-4 955 Modoc Cedar Pass. Comment
  CAS-BOT-BC179158  Linum lewisii Elmer Ivan Applegate 1932-8-3 8114 Modoc Dry crest of Warner Mts. near Eagle Peak. Comment
  CAS-BOT-BC179159  Linum lewisii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 96 Modoc Above Parker Cr., 1 mi. above Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC179160  Linum lewisii B. Bartholomew; Barrett Anderson 1988-6-24 4314 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC179162  Linum lewisii M. M. Hanna 1956-6-4 955 Modoc Cedar Pass. Comment
  HSC31999  Linum lewisii J. D. Ackerman, A. M. Montalvo 1974-7-5 368 Modoc Confluence of Bolan Creek and Thoms Creek, just W of Cedar Pass, Warner Mtns. Comment
  HSC81082  Linum lewisii G. M. Riegel 1980-7-8 838 Modoc S Warner Mtns. 2100 Comment
  UC17254  Linum lewisii Milo S. Baker 1893-6 Modoc Lava Beds Comment
  CHSC109495  Linum lewisii var. lewisii L. P. Janeway; B. Castro 2012-7-26 11010 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  JEPS121192  Linum lewisii var. lewisii Lowell Ahart, John Dittes 2013-7-25 18948 Modoc 10 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC225817  Lithophragma glabrum Bruce Bartholomew; Barrett Anderson 1988-5-12 4112 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC225821  Lithophragma glabrum Bruce Bartholomew; Mona Bourell 1990-4-26 5162 Modoc N end of Big Valley, 4.7 km N of Lookout on County Rte 90. 1270 Comment
  CHSC42158  Lithophragma glabrum C. E. Laver 1986-3-26 Modoc Ca. 22.5 mi ne of Alturas and 1 mi sw of Thoms Creek. 1524 Comment
  HSC20219  Lithophragma parviflorum M. T. Milligan 1964-6-25 77 Modoc Upper Lassen Creek 1829 Comment
  CAS-BOT-BC225834  Lithophragma parviflorum Francis Dorris Payne 1932-6-12 543 Modoc Dry Creek Canyon. Comment
  CAS-BOT-BC437748  Lithophragma parviflorum Ella Dales Cantelow 1941-5-23 3530 Modoc 2 mi. W of Adin Summit, W of Alturas near US Highway 299. Comment
  HSC20218  Lithophragma tenellum M. T. Milligan 1965-7-10 433 Modoc W slope of Eagle Peak. 2439 Comment
  UC114985  Lithophragma tenellum Mrs. R. M. Austin Jun 1894 176 Modoc Lava Beds; ; Modoc Co. Comment
  JEPS21378  Lithospermum californicum W. L. Jepson 1918-8-9 7917 Modoc Ft. Bidwell 1432 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-BC54036  Lithospermum ruderale Leland S. Smith 1917-5-31 22 Modoc West Valley. 1371 Comment
  POM72725  Lithospermum ruderale Mrs. R. M. Austin 524 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC21436  Lomatium bicolor var. leptocarpum Bruce Bartholomew 1995-6-4 6964 Modoc Round Valley 1.8 km S of State Hwy 299 on County road 86. 1280 Comment
  CAS-BOT-BC21456  Lomatium bicolor var. leptocarpum Alice Eastwood; John Thomas Howell 1940-6-14 8211 Modoc 8 mi. NW of Canby. Comment
  JEPS15826  Lomatium bicolor var. leptocarpum L. S. Smith 1917-5-28 Modoc Jess Valley Comment
  RSA271897  Lomatium bicolor var. leptocarpum Christopher Davidson 1975-6-4 2598 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  SEINET3081248 Image available Lomatium bicolor var. leptocarpum Arnold Tiehm 1984-7-30 8827 Modoc 8.9 road miles NE of Ft. Bidwell on main road to Adel, just past the road summit. 1615 Comment
  UC106179  Lomatium bicolor var. leptocarpum Mrs. R. M. Austin may 1894 40 Modoc Goose Lake Valley Comment
  UC1563876  Lomatium bicolor var. leptocarpum Barbara Ertter 1989-5-2 8432 Modoc on Hwy. 395 n.e. of Alturas (2.9 mi. n. of junction to Cedarville (Rt. 299)) 1402 Comment
  UC748468  Lomatium bicolor var. leptocarpum Annie M. Alexander and Louise Kellogg 1946-6-26 4839 Modoc n. end Warner Mts., Dismal Swamp 2255 Comment
  RSA565027  Lomatium canbyi Wm. Taylor 1992-3-16 12329 Modoc Ca. 1 mile SW of southern end Duncan Reservoir (ca. 1.5 air mile E of Amborse) 1494 Comment
  UC1618521  Lomatium canbyi Glenn Clifton 1994-4-8 32593 Modoc 1.3 mi. e.-s.e. Wade Williams Spring (s.w. of a 4 WD rd.) 1463 Comment
  UC875051  Lomatium dissectum Lewis S. Rose 1940-6-12 40529 Modoc E of Likely (Jess Valley) 1767 Comment
  UC748360  Lomatium dissectum var. multifidum Annie M. Alexander and Louise Kellogg 1946-6-10 4725 Modoc lava bench between Lower Lake and Snake Lake (slope facing Lower Lake) Comment
  NY1141604  Lomatium hendersonii B. M. Bartholomew 1993-5-13 6533 Modoc Just west of Mud Lake on road to West Valley Reservoir 1460 Comment
  RSA59732  Lomatium macrocarpum E. K. Balls 1950-5-13 14670 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line 1463 Comment
  CAS-BOT-BC30138  Lomatium macrocarpum R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2285 Modoc Goose Lake. Comment
  SEINET8688190  Lomatium macrocarpum M. J. Williams 1988-5-30 88- 26 -1 Modoc Jess Valley, E of Likely, S of roadside rest 1524 Comment
  UC1616070  Lomatium nevadense var. nevadense S. Saufferer 1973-5-5 132 Modoc ca. 7 1/2 mi. s. Pine Creek (along Hwy. #395) Comment
  CAS-BOT-BC15764  Lomatium nudicaule Annie Montague Alexander; L. Kellogg 1946-6-14 4771 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  UC1608979 Image available Lomatium ravenii B. Bartholomew with M. Gilbert and L. Skog 1993-5-10 6453 Modoc At the Nevada border directly E of Eagleville; Surprise Valley 1520 Comment
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Oct 26 2017
  CHSC31504  Lomatium triternatum var. macrocarpum N. E. H. Prouty 1980-6-2 178 Modoc Northern side of Dry Creek Basin Rd. Comment
  CHSC85164  Lomatium triternatum var. macrocarpum John Dittes; Josephine Guardino 1991-7-21 428 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC21408  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-13 12080 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC21416  Lomatium triternatum var. triternatum Bruce Bartholomew; Barrett Anderson 1988-6-25 4376 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC21421  Lomatium triternatum var. triternatum Bruce Bartholomew; Barrett Anderson 1989-6-3 4884 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC21425  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-15 8292 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC21427  Lomatium triternatum var. triternatum B. J. Cox; P. Gillian 1971-6-3 2613 Modoc 6 mi. N of Alturas on Hwy 395. 1341 Comment
  HSC21596  Lomatium triternatum var. triternatum M. T. Milligan 1965-7-1 413 Modoc Plateau W of Jess Valley. 1829 Comment
  CAS-BOT-BC21394  Lomatium vaginatum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-30 5972 Modoc N of Likely. 1371 Comment
  JEPS5996  Lomatium vaginatum Frances D. Payne 1932-6-10 627 Modoc s. & e. Alutras (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UC1228814  Lomatium vaginatum Lincoln Constance and Emil DiFulvio 1962-4-16 3750 Modoc 3.2 mi. n. Likely 1310 Comment
  UC1561209  Lomatium vaginatum Barbara Ertter 1989-5-2 8433 Modoc on Hwy 395 n.e. <Alturus> (2.9 mi. n. of junction to Cedarville (Rt. 299)) 1402 Comment
  UC28565  Lonicera involucrata var. involucrata Mrs. R. M. Austin and Bruce July 1898 2355 Modoc Mt. Bidwell 2438 Comment
  RSA520357  Lotus denticulatus Bruce Bartholomew 1989-6-3 4913 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  UC15562  Lotus denticulatus Milo S. Baker 1893-6-28 Modoc near Pitt River Comment
  UC15563  Lotus denticulatus Milo S. Baker 1893-7-21 Modoc Comment
  CAS-BOT-BC181944  Lotus purshianus var. purshianus Louis Cutter Wheeler 1935-9-4 3947 Modoc McGinty Point, Goose Lake. 1463 Comment
  RSA582627  Lotus unifoliolatus Louis C. Wheeler 1935-9-23 4005 Modoc Pease Flat, Devils Garden. 1524 Comment
  RSA318941  Lupinus Patricia Wilder 1971-6-20 5091 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  RSA624905  Lupinus Jeffrey Huber 1971-6-3 87 Modoc 5 mi. S. of Canby on Calif. Hwy. 299. Comment
  CAS-BOT-BC181898  Lupinus arbustus Francis Dorris Payne 1931-6-21 211 Modoc Ridge SW Dry Creek. 1981 Comment
  CAS-BOT-BC181899  Lupinus arbustus Bruce Bartholomew 1992-8-9 6385 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  SBBG3536  Lupinus arbustus H. and M. Dearing 1939-6-9 3637 Modoc Warner Mtns [near Squaw Peak?] 1828 Comment
  SJSU10705  Lupinus arbustus H. L. Buckalew 1961-6-20 Modoc Stough (""Stowe"") Reservoir, 1 mi N of Cedar Pass on Cedar-Alturas Rd., Warner Mts. 1920 Comment
  SEINET5586601  Lupinus arbustus John F. Emmel 1996-1 1434 Modoc Warner Mts.; ridge 1.1-1.5 air miles south and 0.3-0.5 air mile west of Emerson Peak. Comment
  UC726676  Lupinus arbustus A. A. Heller 1941-6-25 16205 Modoc w side Cedar Pass; w side of Cedar Pass Comment
  NY732855  Lupinus arbustus subsp. calcaratus K. Paulson 1991-7-27 245 Modoc Sugar Hill area 2118 Comment
  POM298384  Lupinus arbustus subsp. calcaratus H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mountains, east of Alturas. Comment
  UC1129537  Lupinus arbustus var. arbustus R. C. Wilson 1933-5-30 34 Modoc Rush Creek 1432 Comment
  CAS-BOT-BC182177  Lupinus argenteus Francis Elliot Drouet; Donald Richards 1941-9-12 4202 Modoc Sloughs along the N fork of the Pit River, NE of Alturas. 1341 Comment
  CAS-BOT-BC182188  Lupinus argenteus Gordon H. True 1964-6-3 1427 Modoc About 5 mi. N of Cedarville, Surprise Valley. 1463 Comment
  CAS-BOT-BC182191  Lupinus argenteus Amos Arthur Heller 1938-6-24 15222 Modoc Between Alturas and Canby. Comment
  CAS-BOT-BC182225  Lupinus argenteus C. B. Wolf 1931-9-4 2398 Modoc Canby. Comment
  CAS-BOT-BC182189  Lupinus argenteus James Vale; K. Wagnon; Walter Knight; Irja Knight 1981-5-23 4133 Modoc Bank of Pit River between Canby and Adin, Hwy 299. 1371 Comment
  SBBG3540  Lupinus argenteus var. argenteus H. and M. Dearing 1939-6-7 3575 Modoc E of Adin Comment
  UCD106791  Lupinus argenteus var. argenteus Verne Grant; Irving Schneider 1947-8-27 8321 Modoc Southwest end of Clear Lake. Comment
  CAS-BOT-BC182086  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47465 Modoc Highway 395, Pine Creek (town), S edge. Comment
  CAS-BOT-BC182101  Lupinus argenteus var. heteranthus Bruce Bartholomew 1990-8-4 5634 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CAS-BOT-BC182117  Lupinus argenteus var. heteranthus Annie Montague Alexander; L. Kellogg 1946-6-12 4739 Modoc Fandango Pass road. 1706 Comment
  CAS-BOT-BC182121  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1929-6-24 5895 Modoc Along road between Alturas and Davis Creek. Comment
  CHSC109455  Lupinus argenteus var. heteranthus B. Castro; L. P. Janeway 2012-7-24 1951 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; ca 0.6 air mi S of Dismal Swamp, off upper edge of open lodgepole pine forest. 2359 Comment
  UC126981  Lupinus argenteus var. heteranthus Mrs. R. M. Austin and Bruce Jul 1898 2143 Modoc Comment
  HSC71398  Lupinus aridus J. P. Smith, J. O. Sawyer 1972-5-6 5274 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  UC15937  Lupinus bicolor Milo S. Baker 1893-8-1 Modoc Comment
  HSC28501  Lupinus caudatus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19471 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  HSC71461  Lupinus caudatus J. P. Smith, J. O. Sawyer 1973-8-8 7237 Modoc S slopes of Eagle Peak 2561 Comment
  RSA11956  Lupinus caudatus Elmer I. Applegate 1929-6-25 5905 Modoc Willow Ranch, Goose Lake Valley. Comment
  RSA152424  Lupinus caudatus I. L. Wiggins, Dorothy Wiggins 1961-6-13 16461 Modoc 3 miles west of summit of Fandango Pass across Warner Mountains. Comment
  CAS-BOT-BC181881  Lupinus latifolius Roxana Stinchfield Ferris; R. Duthie 1919-6-14 1476 Modoc Parker Creek at Modoc Nat. Forest boundary. Comment
  RSA582465  Lupinus laxiflorus Louis C. Wheeler 1935-9-6 3958 Modoc Tuttle Place, W side Goose Lake. 1463 Comment
  UC15911  Lupinus leucophyllus Milo S. Baker 1893-6-20 Modoc Comment
  NY747434  Lupinus microcarpus H. D. D. Ripley 1944-5-31 5988 Modoc Northwest of Alturas 1372 Comment
  UC726491  Lupinus microcarpus var. densiflorus A. A. Heller 1941-6-25 16197 Modoc on the Cedarville rd a short distance e junction with U.S. Highway 395 Comment
  CAS-BOT-BC181829  Lupinus microcarpus var. microcarpus Elmer Ivan Applegate 1898-5-31 879 Modoc Near Cornell, Tule Lake. Comment
  CAS-BOT-BC181846  Lupinus microcarpus var. microcarpus Edward Kent Balls 1950-5-18 14763 Modoc By Lower Rush Creek Public Camp. 1310 Comment
  UC619258  Lupinus microcarpus var. microcarpus J. and H. W. Grinnell 1938-6-16 1114 Modoc six mi s Fort Bidwell; s of Fort Bidwell 1463 Comment
  CAS-BOT-BC181828  Lupinus polyphyllus var. burkei Francis Dorris Payne 1931-6-25 258 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC181808  Lupinus saxosus Bruce Bartholomew 1991-5-25 5762 Modoc N side of the Pit River, ca. 10 km W of Hwy. 299 on Stone Coal Road. 1320 Comment
  CAS-BOT-BC181809  Lupinus saxosus Bruce Bartholomew; Barrett Anderson 1988-5-14 4194 Modoc 1.3 km S of turn off to Crowder Flats West Side Road, W side of Goose Lake. 1410 Comment
  HSC14835  Lupinus saxosus M. G. Burgoyne 1962-4-23 1000 Modoc 15 mi. W of Cedarville on Hwy. over Cedar Pass 2134 Comment
  SEINET10486221  Lupinus saxosus Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2586 Modoc 5 mi s of canby on state hwy. 299. Lupines heavily carpeting hillsides of Large basaltic boulders, sparse juniper-artemisia, purshia, poa association. 1280 Comment
  SEINET2063107 Image available Lupinus subvexus var. subvexus Arnold Tiehm 1984-6-30 8833 Modoc North edge of Lake Annie on the W side of Bidwell Mt., NE of Ft. Bidwell. 1530 Comment
  RSA325721  Lupinus subvexus var. subvexus A. Tiehm 8833 Modoc North edge of Lake Annie on the west side of Bidwell Mt., NE of Ft. Bidwell. 1530 Comment
  CHSC117265  Lythrum tribracteatum Lowell Ahart; John Dittes 2016-7-14 21176 Modoc Southeast side of a new pond, south of Ash Creek Canal (now filled in), south of 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-BC49430  Madia citriodora Bruce Bartholomew 1990-6-15 5220 Modoc W side of Deer Spring Ridge in vicinity of Reid Draw, ca. 1 km N of the Lasson Co. border. 1540 Comment
  CAS-BOT-BC49474  Madia citriodora John Thomas Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC49432  Madia elegans Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16526 Modoc 4.6 mi. N of Adin. Comment
  UC1191987  Madia elegans Verne Grant and Irving Schneider 1947-8-29 8351 Modoc one mi w (downstream) Bridge 305 (Hwy 299, four mi sw of Canby); Pit River Comment
  CHSC111109  Madia elegans subsp. densifolia Lowell Ahart; John Dittes 2012-7-12 18375 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1262 Comment
  POM54288  Madia elegans subsp. elegans Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC49439  Madia exigua Bruce Bartholomew 1990-6-18 5381 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC49404  Madia glomerata John Thomas Howell 1934-7-3 12375 Modoc 5 mi. S of Hackamore. Comment
  CAS-BOT-BC49443  Madia glomerata Bruce Bartholomew 1992-8-9 6390 Modoc Squaw Peak Trail between Patterson Lake and Owl Creek Trail, E side of Warner Mountains. 2250 Comment
  CAS-BOT-BC49450  Madia glomerata Herbert Louis Mason 1947-8-11 13496 Modoc On Hwy 81, W margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  CHSC109521  Madia glomerata L. P. Janeway; B. Castro 2012-7-25 10983 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  UC71593  Madia glomerata Mrs. M. H. Manning 474 Modoc Either Alturas of Fort Bidwell Either Alturas of Fort Bidwell (ne Modoc County) Comment
  CAS-BOT-BC49410  Madia gracilis David Daniels Keck; Jens Chr. Clausen 1935-6-24 3723 Modoc 1.5 mi. N of Davis Creek. 1524 Comment
  CAS-BOT-BC49412  Madia gracilis John Thomas Howell 1934-6-16 12205 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC49419  Madia gracilis Bruce Bartholomew 1990-6-15 5210 Modoc Kelly Spring, 5.5 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  JEPS5997  Madia gracilis Frances D. Payne 1935-7-6 783 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  POM204105  Madia gracilis subsp. gracilis J. T. Howell 1934-6-12 12025 Modoc Warner Mountains: Plum Valley Comment
  NY500375  Mahonia repens B. M. Bartholomew 1989-8-12 5122 Modoc South Fork of Pine Creek where it crosses West Warner Road, west side of Warner Mountains 1900 Comment
  RSA486353  Mahonia repens Bruce Bartholomew, B. Anderson 1988-5-13 4175 Modoc 0.6 km N of Jess Valley on West Warner Road, W side of the Warner Mountains. Northern Jeffrey pine forest. 1620 Comment
  CAS-BOT-BC242040  Maianthemum racemosum M. M. Hanna 1956-6-5 976 Modoc Cedar Pass. Comment
  HSC1963  Maianthemum stellatum M. T. Milligan 1966-7-1 515 Modoc N end of Jess Valley. 1616 Comment
  CAS-BOT-BC49385  Malacothrix glabrata Bruce Bartholomew 1992-5-15 6291 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E the N end of Middle Alkali Lake. 1410 Comment
  CAS-BOT-BC49387  Malacothrix sonchoides Bruce Bartholomew 1992-5-15 6290 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E the N end of Middle Alkali Lake. 1410 Comment
  UC18742  Malva neglecta M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  CHSC71841  Marsilea oligospora Vernon H. Oswald; Lowell Ahart 1998-9-8 9591 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  JEPS94719  Marsilea oligospora Vernon H. Oswald and Lowell Ahart 1998-9-8 9591 Modoc County Rd. 95 nw Lookout (at creek, ca. 0.5 air mi ne of Lookout Junction); Taylor Creek 1280 Comment
  CHSC112096  Matricaria discoidea Lowell Ahart; John Dittes 2012-7-12 18353 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  HSC14988  Medicago lupulina M. T. Milligan 1965-6-23 294 Modoc N end of Jess Valley 1616 Comment
  JEPS74032  Melica bulbosa Frances D. Payne 1932-7-1 663 Modoc 2 mi sw Mt. Warren (se Modoc County); Pine Creek Basin 2316 Comment
  UC1024856  Melica bulbosa Leo Whitney 1935-7-6 3186 Modoc 2 mi n Hole-in-the-rock (ca 18 mi wnw of Canby) Comment
  UC1024894  Melica fugax Leo Whitney 1935-5-24 3120 Modoc ca 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  POM299024  Melica stricta Marion Ownbey, Fred G. Meyer 1940-7-1 2152 Modoc Cedar Peak, Warner Mountains. Comment
  UC1137125  Melica subulata August L. Hormay 1932-7-17 Modoc Lily Lake Comment
  UCD88679  Melica subulata L. D. Whitney 1935-7-13 s.n. Modoc Cottonwood flat. Comment
  HSC15027  Melilotus officinalis R. C. Wunner 1965-6-13 170 Modoc Lava Beds National Monument, Indian Well Headquaters, SE side of headquaters. 1454 Comment
  CAS-BOT-BC179860  Mentha arvensis Bruce Bartholomew 1990-8-3 5601 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CAS-BOT-BC179862  Mentha arvensis Robert Folger Thorne; C. W. Tilforth 1969-9-5 39184 Modoc Marshy margin of Pine Creek where it crossed Hwy 395, 3.4 mi. S of Alturas. 1341 Comment
  CHSC112763  Mentha arvensis Lowell Ahart; John Dittes 2013-7-24 18939 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  JEPS121211  Mentha arvensis Lowell Ahart, John Dittes 2013-7-24 18939 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
  CAS-BOT-BC179859  Mentha spicata Bruce Bartholomew 1992-8-10 6402 Modoc Rush Creek just N of Round Valley on Highway 299. 1350 Comment
  CAS-BOT-BC179145  Mentzelia dispersa Betty J. Hammerly 1941-6-20 39 Modoc Between Mill Creek Public Camp and Clear Lake. 1767 Comment
  CDA13458  Mentzelia dispersa G. F. Hrusa, T. D. Wilfred 1996-7-21 13305 Modoc Modoc Plateau; Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  POM84013  Mentzelia dispersa R. M. Austin 517 Modoc Willow Creek. Comment
  UCSB11829  Mentzelia dispersa Haller, John 1961-6-25 Modoc Patterson Campground at Patterson Ranger Station, Eagleville-Likely road, about 3.5 mi. W of crest of Warner Mountains 2194 Comment
  CAS-BOT-BC179119  Mentzelia montana Bruce Bartholomew; Barrett Anderson 1989-6-2 4822 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC179118  Mentzelia montana Mrs. H. C. Cantelow 1940-6-2 3996 Modoc W of Alturas, road to Lava Beds. Comment
  CAS-BOT-BC179113  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5836 Modoc E slope of S end of Warner Mountains, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  SEINET11302717  Mertensia longiflora M. J. Williams 1984-6-29 84- 71 -1 Modoc Lily Lake, west side of the Warner Mountains 2073 Comment
  RSA182939  Mertensia oblongifolia Clare B. Hardham 1961-6-18 7585 -c Modoc Cedar Pass. 1829 Comment
  SEINET8588887  Mertensia oblongifolia E. K. Balls 1950-5-20 14791 Modoc South Fork Pit River, South Fork Public Camp. 1433 Comment
  CAS-BOT-BC54008  Mertensia oblongifolia var. amoena Bruce Bartholomew 1994-5-28 6724 Modoc Between Joseph Creek Basin and Halls Meadow, W side of Warner Mts. 1880 Comment
  JEPS6028  Mertensia oblongifolia var. amoena Frances D. Payne 1931-6-21 224 Modoc Ridge west of Dry Creek, northern tributary of Parker Creek, Warner Mountains, south and east of Alturas. 1981 Comment
  JEPS6029  Mertensia oblongifolia var. amoena Frances D. Payne 1929-7-7 57 Modoc 2 mi. s.w. Warren Peak (Pine Creek Basin, Warner Mts.); Warner Mts., Pine Creek Basin 2133 Comment
  CAS-BOT-BC54016  Mertensia oblongifolia var. nevadensis Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC54021  Mertensia oblongifolia var. oblongifolia Elmer Ivan Applegate 1932-7-9 7615 Modoc N side of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC54025  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6300 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC225953  Micranthes nidifica Bruce Bartholomew; Barrett Anderson 1988-5-12 4121 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC225958  Micranthes nidifica Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6509 Modoc Ca. 3 km S of Oregon border on Forest Service Rte. 7. 1720 Comment
  CAS-BOT-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-BC225962  Micranthes nidifica Annie Montague Alexander; L. Kellogg 1946-6-15 4779 Modoc Deep Creek. 2194 Comment
  CAS-BOT-BC225964  Micranthes nidifica Bruce Bartholomew; Mona Bourell 1990-4-27 5171 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  CHSC118311  Micranthes nidifica L. P. Janeway 2016-5-18 12075 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  NY539940  Micromonolepis pusilla B. M. Bartholomew 1989-6-2 4813 Modoc Sand dunes at the southeast corner of Upper Alkali Lake, east side of Surprise Valley 1400 Comment
  CAS-BOT-BC49351  Microseris nutans Bruce Bartholomew 1993-6-14 6667 Modoc Russell Canyon, just S of the Oregon border and NW of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC49355  Microseris nutans Bruce Bartholomew 1990-6-17 5299 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC49357  Microseris nutans Francis Dorris Payne 1932-6-26 609 Modoc Parker Creek. 1584 Comment
  HSC81137  Microseris nutans G. M. Riegel 1979-7-2 462 Modoc South Warner Mtns. 2100 Comment
  JEPS35643  Microseris nutans Milo S. Baker 1893-6-18 Modoc Pine timber Comment
  CAS-BOT-BC197918  Microsteris gracilis Bruce Bartholomew; Mona Bourell 1990-4-26 5154 Modoc 0.5 km S of Day. 1100 Comment
  UCD118921  Microsteris gracilis R. N. Raynor; E. Berry 1940-4-12 s.n. Modoc Cemetery, Alturas. Comment
  RSA59719  Mimulus androsaceus E. K. Balls 1950-5-18 14755 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UCD149974  Mimulus bigelovii Harry George 1967-6-15 s.n. Modoc West of Lookout. Comment
  JEPS127288  Mimulus breviflorus Lowell Ahart, John Dittes 2016-7-14 21183 -A Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  RSA430187  Mimulus breviflorus Louis C. Wheeler 1935-8-3 3766 Modoc Warner Mountains: Pine Creek. 1738 Comment
  UC71617  Mimulus breweri Mrs. M. H. Manning Modoc Mt. Bidwell Comment
  UC444798  Mimulus cusickii W. P. Taylor and H. C. Bryant 1910-8-7 Modoc Dry Creek, in mouth of canyon Warner Mountains 1447 Comment
  RSA185423  Mimulus douglasii Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground. Comment
  CHSC117230  Mimulus guttatus Lowell Ahart; John Dittes 2016-7-16 21238 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
  UCR34706  Mimulus guttatus J. A. Harpel 1981-8-6 V 30 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC1037301  Mimulus layneae Leo Whitney 1934-5-27 1617 Modoc near Hackamore; Modoc National Forest 1463 Comment
  RSA550581  Mimulus layneae Bruce Bartholomew 1991-7-6 5995 Modoc Webb Flat, 5.6 km S of turn off to Happy Camp Ranger Station. 1400 Comment
  CAS-BOT-BC234527  Mimulus lewisii Elmer Ivan Applegate 1932-8-7 8232 Modoc Lily Lake. Comment
  SBBG15847  Mimulus lewisii J. R. Haller 1959-8-19 1462 Modoc 0.2 mi W of Cave Lake, jct on road between New Pine Crk and Ft Bidwell 2133 Comment
  POM229221  Mimulus lewisii Louis C. Wheeler 1935-8-8 3807 Modoc Consolidated Mine, Pine Creek, Warner Mountains. 2287 Comment
  UC1523788  Mimulus nanus var. jepsonii Gregg Riegel 1981-7-13 1151 Modoc near Day 1524 Comment
  UCR72552  Mimulus nanus var. nanus D. M. Thompson 1988-6-2 925 Modoc c. 6.8 mi NW of Canby. ).1 mi SE of turnoff for Howard's Gulch Campground along Hwy 139 1500 Comment
  JEPS27953  Mimulus nasutus Frances D. Payne 1932-6-10 636 Modoc s and e Alturas (w slope of mountains); Warner Mountains, Parker Creek 1584 Comment
  UCR34779  Mimulus primuloides J. A. Harpel 1981-8-6 V- 7 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC1025084  Mimulus tricolor Leo Whitney 1935-6-2 3179 Modoc near White Horse; White Horse lake (flat) Comment
  CAS-BOT-BC95211  Minuartia douglasii Bruce Bartholomew 1995-6-1 6916 Modoc NW edge of Little Hot Spring Valley NW of Day. 1080 Comment
  CAS-BOT-BC95215  Minuartia nuttallii Elmer Ivan Applegate 1932-8-3 8126 Modoc Arid rocky summit of Eagle Peak, Warner Mts. Comment
  CAS-BOT-BC225801  Mitella pentandra Leland S. Smith 1917-8-3 150 Modoc South Fork Davis Creek. 1828 Comment
  UC7697  Mollugo verticillata W. H. Brewer 1862-8 1338 Modoc Eagle Creek Canyon Comment
  SFV18058  Monardella odoratissima J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc 1 mile east of Siskiyou county line along Lava Beds National Monumemt Road. 1310 Comment
  CAS-BOT-BC179373  Monardella odoratissima subsp. glauca Clare Butterworth Hardham 1974-8-6 20170 Modoc N slopes, N side Cedar Pass. Comment
  CAS-BOT-BC179853  Monardella odoratissima subsp. glauca Mona Bourell; Robert Patterson 1993-8-15 5254 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC179858  Monardella odoratissima subsp. glauca Robert Patterson; Mona Bourell 1993-8-15 5249 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  POM260798  Monardella odoratissima subsp. glauca Alice Eastwood, J. T. Howell 1940-6-13 8175 Modoc East side of Cedar Pass Comment
  RSA793423  Monardella odoratissima subsp. odoratissima J. D. Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument, summit and upper west-facing slope of Caldwell Minor near east edge of monument boundary. 1402 Comment
  CAS-BOT-BC179358  Monardella odoratissima subsp. pallida Belknap C. Goldsmith 1912-7-1 58 Modoc Little Hot Spring Valley. 1219 Comment
  CAS-BOT-BC179359  Monardella odoratissima subsp. pallida Bruce Bartholomew 1990-8-5 5666 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  CAS-BOT-BC179360  Monardella odoratissima subsp. pallida Bruce Bartholomew 1991-8-6 6079 Modoc Emerson Trail at junction with S Emerson trail, E side of Warner Mts. 2160 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-BC95544  Monolepis nuttalliana Elmer Ivan Applegate 1897-5-7 845 Modoc Clear Lake. Comment
  CHSC67101  Monolepis nuttalliana James D. Jokerst 1987-6-24 2939 Modoc NE of Doublehead Mtn., ca. 2.0 mi WSW of Red Lake. Comment
  JEPS43253  Montia chamissoi Milo S. Baker 1893-7-1 Modoc 1371 Comment
  RSA77998  Montia chamissoi Verne Grant, Alva Grant 1947-7-11 8010 Modoc Modoc County: Rocky banks of Thoms creek near forest service camp site on road from Alturas to Cedar Pass, Warner Mts, Modoc County Comment
  SEINET3000071 Image available Montia chamissoi Annie M. Alexander, Louise Kellogg 1946-6-22 4814 Modoc Creek emptying into Lake Annie 1520 Comment
  RSA65656  Montia fontana F. W. Peirson 1926-6-25 6889 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  CAS-BOT-BC197501  Montia linearis Annie Montague Alexander; L. Kellogg 1946-6-14 4755 Modoc Patterson Mill - Silver Creek roads. 1828 Comment
  CHSC117848  Montia linearis L. P. Janeway 2016-5-16 11997 A Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Applegate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  UC7865  Montia linearis Milo S. Baker 1893-6-15 Modoc 1371 Comment
  JEPS70579  Muhlenbergia asperifolia L. S. Smith 1917-8-19 152 Modoc Bidwell Warner Mts. 1371 Comment
  JEPS69319  Muhlenbergia filiformis Leland S. Smith 1918-1 Modoc Comment
  UC60839  Muhlenbergia filiformis M. S. Baker and Frank Nutting 1894-8-25 Modoc meadow near Forestdale 1371 Comment
  UCD86774  Muhlenbergia jonesii Leo Whitney 1935-8-15 3622 Modoc U.S.B.E. - R. S. -6. Comment
  SEINET4343716 Image available Muhlenbergia richardsonis Unknown 1988-6-18 7609 Modoc West side of Hwy 139 just south of where it crosses railroad at junction to Clear Lake, NE of Dry Lake east of Lava Beds National Monument 1250 Comment
  CAS-BOT-BC392256  Myosurus apetalus E. K. Balls 1950-5-14 14693 Modoc 2.5 mi. n. of boundary Modoc Nat'l Forest, junction of roads to Emigrant Spring, Thomas Reservoir and Dead Horse Reservoir 1524 Comment
  SD225888  Myosurus apetalus Carol Witham, Jennifer Buck and Vernal Pool Team 2001 2001-5-10 202 Modoc 5 mi. NE along Hwy 139 from its intersection with Hwy 299, south of hwy 139, Canby site, pool # CAN001 Comment
  UC1101354  Myosurus apetalus Herbert L. Mason 1957-6-21 14704 Modoc w side of Said Valley Comment
  CAS-BOT-BC217295  Myosurus minimus Bruce Bartholomew; Barrett Anderson 1988-5-14 4200 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  CHSC85413  Myosurus minimus John Dittes 1991-6-1 375 A Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit, meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CHSC114295  Myriophyllum sibiricum B. Villegas 2008-7-24 Modoc Alturas; Modoc National Wildlife Refuge; Dorris Canal. Comment
  CAS-BOT-BC179313  Nama densa Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6459 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  UCD87979  Nassella lepida Elizabeth Wilson 1940-6-1 1000 Modoc Modoc County. Comment
  CAS-BOT-BC198010  Navarretia breweri Bruce Bartholomew; Barrett Anderson 1989-6-3 4877 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  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
  HSC16998  Navarretia capillaris M. T. Milligan 1966-7-29 600 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  UC711872  Navarretia capillaris Roxana S. Ferris and Laura Lorraine 1941-8-13 10554 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest, East Creek drainage (Modoc National Forest, Warner Mountains) 2164 Comment
  UC526152  Navarretia divaricata subsp. vividior John Thomas Howell 1934-7-1 12323 Modoc Duncan Horse Camp 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
  JEPS126546  Navarretia intertexta subsp. intertexta Lowell Ahart, John Dittes 2016-6-6 20954 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC197978  Navarretia intertexta subsp. propinqua Alice Eastwood; John Thomas Howell 1940-6-14 8231 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC197979  Navarretia intertexta subsp. propinqua John Thomas Howell 1934-6-30 12291 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC197987  Navarretia intertexta subsp. propinqua Alice Eastwood; John Thomas Howell 1940-6-15 8293 Modoc 9 mi. N of Lookout. Comment
  JEPS100555  Navarretia intertexta subsp. propinqua Dean W. Taylor 1987-8-9 9287 Modoc Clear Lake Reservoir, on shore 100 meters west of dam 1371 Comment
Read comments
Aug 12 2008
  UC1106906  Navarretia intertexta subsp. propinqua Herbert L. Mason 1946-7-13 13449 Modoc w end Fandango Pass (near Goose Lake, on road to Fort Bidwell) Comment
  UCD37469  Navarretia intertexta subsp. propinqua Beecher Crampton 1960-6-17 5679 Modoc Modoc County, 2 miles north of Perez, Timber Mountain Fire Station. 1280 Comment
  RSA601499  Navarretia leptalea L. C. Wheeler 1935-8-13 3833 Modoc Warner Mountains: Barnes Creek. Mount Diable Meridian. 1829 Comment
  CAS-BOT-BC197959  Navarretia leucocephala subsp. minima K. Paulson; Robert Paulson 1989-7-2 158 Modoc Vicinity of Craig Spring, ca. 2 mi. NE of Happy Camp. 1447 Comment
  CAS-BOT-BC197960  Navarretia leucocephala subsp. minima Bruce Bartholomew 1990-6-18 5374 Modoc 5.5 km N of Hwy 299 on Crowder Flat Rd. 1450 Comment
  CAS-BOT-BC197962  Navarretia leucocephala subsp. minima Bruce Bartholomew 1989-7-14 4957 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  RSA164368  Navarretia sinistra Clare B. Hardham 1961-6-18 7815 Modoc Warner Mountains: Cedar Pass. Comment
  CAS-BOT-BC197958  Navarretia subuligera Alice Eastwood; John Thomas Howell 1940-6-15 8299 Modoc 5 mi. N of Lookout. Comment
  SEINET10464817  Nemacladus capillaris Bruce M. Bartholomew 1988-6-25 Bartholomew 4399 Modoc Ryan Canyon, north of Adin. T39N R19E Sec 5 Adin 15 Quad 1390 Comment
  SEINET195695  Nemophila breviflora Annie M. Alexander, L Kellogg 1946-6-15 4775 Modoc Deep Creek 2134 Comment
  RSA27232  Nemophila parviflora var. austiniae C. L. Hitchcock 1940-5-27 6662 Modoc 12 miles NE of Alturas. 1616 Comment
  CAS-BOT-BC179286  Nemophila pedunculata F. Angwin 1946-4-13 Modoc Big Valley near Adin. 1280 Comment
  UC1178999  Nemophila pedunculata Herbert L. Mason 1947-7-8 13313 Modoc Cedar Pass , Cedar Pass (summit Warner Range) 1920 Comment
  SJSU9558  Neoholmgrenia andina W. Savage 1979-7-3 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC71619  Nestotus stenophyllus Mrs. M. H. Manning 472 Modoc Northeaster Modoc County Comment
  JEPS114499  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
  JEPS5994  Nothocalais troximoides Frances D. Payne 1932-6-10 535 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC497315  Oenothera Fred P. Cronemiller, Jr. 1920-6-14 23 Modoc Bieber Range 1341 Comment
  RSA520343  Oenothera deltoides subsp. piperi Bruce Bartholomew, B. Anderson 1989-6-2 4836 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC190803  Oenothera elata subsp. hirsutissima Bruce Bartholomew 1995-8-1 7143 Modoc 4.5 km N of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC190808  Oenothera elata subsp. hirsutissima Mrs. M. H. Manning 1904-7-1 209 Modoc Fort Bidwell. Comment
  JEPS43963  Oenothera elata subsp. hirsutissima W. L. Jepson 1918-8-14 7989 Modoc Jess Valley 1584 Comment
  CAS-BOT-BC190809  Oenothera elata subsp. hirsutissima Belknap C. Goldsmith 1912-8-5 69 Modoc W side of Goose Lake. 1463 Comment
  HSC16525  Oenothera flava M. T. Milligan 1964-6-17 41 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  NY998814  Oenothera flava K. Paulson 1989-6-21 142 Modoc Vicinity of South Fork of Pine Creek, west side of the Warner Mountains 1884 Comment
  JEPS31524  Oenothera flava subsp. flava Milo S. Baker 1893-7-20 Modoc near Forestdale; Lava Beds Comment
  CDA7565  Onopordum acanthium T. C. Fuller 1957-9-18 339 -57 Modoc Alturas. 0 Comment
  CAS-BOT-BC50377  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1958-7-9 900 -58 Modoc Alturas. Comment
  CAS-BOT-BC190796  Orobanche corymbosa Bruce Bartholomew 1991-6-22 5850 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  UC27899  Orobanche uniflora subsp. occidentalis M. S. Baker and Frank Nutting 1894-6-8 Modoc Near Egg Lake. Comment
  JEPS86677  Orthocarpus cuspidatus subsp. cryptanthus L. R. Heckard and T. I. Chuang 1990-7-14 6758 Modoc ca 2 mi n Cedar Pass (along Old Common Mill Rd, 0.7 mi e of Soldier Creek Rd); n of Cedar Pass 2075 Comment
  NY1101852  Osmorhiza occidentalis K. Paulson 1988-6-19 49 Modoc Happy Camp Guard Station 1554 Comment
  HSC81005  Oxyria digyna G. M. Riegel 1980-8-11 1032 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC50301  Packera cana Bruce Bartholomew 1990-6-17 5357 Modoc 11.3 km N of Buck Creek Ranger Station, a crest of the Warner Mountains. 2130 Comment
  CAS-BOT-BC50305  Packera cana John Thomas Howell 1934-6-30 12265 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC50307  Packera cana John Thomas Howell 1934-6-12 12015 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC50349  Packera cana Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5995 Modoc NW of Alturas. 1524 Comment
  SJSU5425  Packera cana J. W. Tilden 1958-6-26 1269 Modoc near Monument Hdqtrs, Lava Beds National Monument Comment
  HSC28869  Packera eurycephala D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19392 Modoc Along Hager Basin Rd. near Big Sage Reservoir. 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-BC190775  Paeonia brownii Annie Montague Alexander; L. Kellogg 1946-6-15 4778 Modoc Deep Creek. 2164 Comment
  CAS-BOT-BC497211  Panicum Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8380 Modoc Warner Mts., Rte. 299, exactly 12.8 mi NE of Alturas 1554 Comment
  CHSC100435  Panicum capillare Lowell Ahart; John Dittes 2008-8-25 15324 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
  CDA32584  Panicum capillare var. occidentale T. C. Fuller 1962-8-3 9492 Modoc Hwy 139 to Tulelake, 0.25 mile northwest of Stronghold 0 Comment
  UCD32703  Pascopyrum smithii Beecher Crampton 1954-7-7 2123 Modoc Modoc County, Alturas, vacant lot adjacent to Lederer Building. Comment
  JEPS3861  Pedicularis groenlandica N. T. Mirov 1929-7-4 Modoc Lily Lake, about 1 mi s of Oregon-California boundary Lily Lake; Warner Mountains 2133 Comment
  CAS-BOT-BC30195  Pellaea breweri Gregg M. Riegel 1980-7-31 928 Modoc South Warner Mountains Comment
  HSC80737  Penstemon davidsonii G. M. Riegel 1979-7-28 614 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC232338  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-7-9 7618 Modoc Mt. Bidwell. Comment
  CAS-BOT-BC232339  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-8-1 8008 Modoc Arid crest of Warner Mts., S of Warren Peak. Comment
  JEPS8093  Penstemon davidsonii var. davidsonii W. L. Jepson 1918-8-13 7968 Modoc Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  UC1586980  Penstemon deustus Juha Pykala and D. H. Norris 1987-5-27 1037 Modoc between Lower Rush Creek Campground and Upper Rush Creek Campground; Modoc National Forest 1493 Comment
  RSA11919  Penstemon deustus subsp. heterander Elmer I. Applegate 1932-8-6 8215 Modoc Rocky summit of Yellow Mtn, Bidwell Pass, Warner Mtns. Comment
  HSC1971  Penstemon deustus var. pedicellatus M. T. Milligan 1965-6-30 394 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  JEPS3887  Penstemon deustus var. pedicellatus N. T. Mirov 1929-7-4 Modoc Lily Lake Warner Mountains, Lily Lake (about 1 mi s of Oregon-California boundary) Comment
  JEPS11230  Penstemon deustus var. pedicellatus Mrs. M. H. Manning 1907-5-1 Modoc Twelve Mile Creek, ne Modoc County Twelve Mile Creek Comment
  UC566680  Penstemon gracilentus F. H. Frost 1925-7-25 156 Modoc Eagle Peak Warner Mountains, Eagle Peak Comment
  UC27424  Penstemon heterodoxus var. shastensis Milo S. Baker 1893-6 Modoc Forestdale Comment
  CAS-BOT-BC245522  Penstemon humilis var. humilis John Thomas Howell 1934-7-1 12337 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC245524  Penstemon humilis var. humilis C. C. (Mrs.) Bruce 1899-8-1 2362 Modoc Mt. Bidwell. Comment
  CAS-BOT-BC245520  Penstemon janishiae Harry Delbert Thiers 1966-5-13 16326 Modoc Between Alturas and Crowder Flat Ranger Station. 1524 Comment
  RSA504671  Penstemon janishiae K. Paulson 1988-6-1 21 Modoc Barnes Grade, Crowder Flat Road to Devil's Garden 1433 Comment
  NY604572  Penstemon laetus var. sagittatus B. M. Bartholomew 1995-6-24 7018 Modoc 4.2 km east of County Road 114 on County Road 108. 1360 Comment
  SJSU7659  Penstemon laetus var. sagittatus R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  RSA248650  Penstemon miser Christopher Davidson 1973-5-26 2137 Modoc St Hwy 299, ca 4 mi W of Canby. 1524 Comment
  CAS-BOT-BC232505  Penstemon roezlii M. M. Hanna 1956-6-7 s.n. Modoc Hwy 139 between Canby and Tienesta. Comment
  NY650134  Penstemon roezlii C. L. Hitchcock 1940-5-27 6672 Modoc 15 miles northeast of Alturas 1615.4 Comment
  NY677132  Penstemon roezlii K. Paulson 1988-6-11 20 Modoc Barnes Garden, Crowser Flat Road to Devil's Garden 1433 Comment
  UC1012484  Penstemon roezlii Francis W. Pennell 1940-6-7 25728 Modoc Route 299, 4 mi ne Adin; ne of Adin 1341 Comment
  NY650111  Penstemon roezlii B. M. Bartholomew 1988-6-25 4392 Modoc 5.6 km northwest of State Highway 299 on County Road 73. Big Sage Reservoir 15' Quad. 1500 Comment
  UC1094750  Penstemon roezlii Francia Chisaki 1956-5-29 863 Modoc 7.1 mi e of the junction of Highway #395 and road to Cedarville ((on the latter road)); road to Cedarville Comment
  CAS-BOT-BC245500  Penstemon rydbergii var. oreocharis K. Paulson; Robert Paulson 1989-7-4 171 Modoc Ca. 1 mi. S of Patterson Ranger Station, S end of Warner Mts. 2121 Comment
  CAS-BOT-BC245502  Penstemon rydbergii var. oreocharis John Thomas Howell 1934-6-12 12022 Modoc Plum Valley. Comment
  RSA401856  Penstemon rydbergii var. oreocharis G. Willett 1935-6-14 s.n. Modoc 4 mi E of Likely. 1524 Comment
  SEINET7948426 Image available Penstemon rydbergii var. oreocharis N. H. Holmgren, P. K. Holmgren 2014-6-13 16550 Modoc Warner Mountains, Plum Valley Road 5.1 km (3.2 miles) road distance southeast US HWY 395 (in the small town of Davis Creek) 1708 Comment
  UC565590  Penstemon rydbergii var. oreocharis F. H. Frost 1925-7-24 135 Modoc Jess Valley Warner Mountains, Jess Valley (s Modoc County) Comment
  UC748181  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-12 4728 Modoc Fort Bidwell Fort Bidwell (in meadow) 1444 Comment
  CAS-BOT-BC245547  Penstemon speciosus Elmer Ivan Applegate 1939-7-9 7579 Modoc Bidwell Mountain. Comment
  HSC21057  Penstemon speciosus M. T. Milligan 1966-8-3 632 Modoc W slope of Eagle Peak 2439 Comment
  RSA78912  Penstemon speciosus E. K. Balls, Percy C. Everett 1952-10-10 18153 Modoc 0.5 mi below South Fork Public Camp, 7.5 mi E of Likely on road to Jess Valley. 1524 Comment
  CAS-BOT-BC140471  Peraphyllum ramosissimum Malcom A. Nobs; S. Galen Smith 1949-5-29 766 Modoc East of Kelley Hot Springs Comment
  CAS-BOT-BC214735  Peraphyllum ramosissimum Edward Kent Balls 1950-5-20 14811 Modoc Above South Fork Public Camp, on slope S of River, Likely to Jess Valley. 1432 Comment
  CHSC67700  Peraphyllum ramosissimum James D. Jokerst 1983-5-31 1815 Modoc Near Hwy. 395 S of Alturas at the base of the upper ramparts of the butte just S of Signal Butte. 1341 Comment
  RSA77089  Peraphyllum ramosissimum F. W. Peirson 1926-6-26 6905 Modoc Hill slope in broken country, between Alturas and Canby. Comment
  SBBG2991  Peraphyllum ramosissimum H. and M. Dearing 1939-6-7 3587 Modoc W of Alturas 1310 Comment
  CAS-BOT-BC15706  Perideridia bolanderi subsp. bolanderi Margaret J. Williams 1983-7-29 83- 116 -10 Modoc 1.1 mi. N of Stowe Reservoir Campground. 2087 Comment
  SEINET11142395  Perideridia bolanderi subsp. bolanderi M. J. Williams 1983-7-29 83- 116 -10 Modoc 1.1 MI N. of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. 2088 Comment
  UC20886  Perideridia oregana Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  UC748469  Perideridia oregana Annie M. Alexander and Louise Kellogg 1946-7-10 4951 Modoc n Lake Annie Comment
  RSA32026  Perideridia oregana A. A. Heller 1941-6-25 16208 Modoc On the plateau south of Big Sage Reservoir northwest of Alturas Comment
  UC1312908  Perideridia oregana L. Constance and T. I. Chuang 1967-7-25 3803 Modoc 5.3 mi ssw Macdoel 1280 Comment
  SEINET516148  Persicaria amphibia Vernon H. Oswald 1998-9-8 9592 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  CHSC100383  Persicaria maculosa Lowell Ahart; John Dittes 2008-8-25 15288 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
  CHSC107329  Phacelia egena Lowell Ahart; John Dittes 2011-6-21 17521 Modoc About 230 yards west of the fence, uplands south 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
  JEPS2094  Phacelia glandulifera J. G. Lemmon June, 1879 Modoc and near Susanville Surprise Valley Comment
  CAS-BOT-BC179272  Phacelia hastata subsp. compacta Elmer Ivan Applegate 1932-8-3 8119 Modoc High summit of Warner Mts. N of Eagle Peak. 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-BC179263  Phacelia hastata subsp. hastata Bruce Bartholomew; Barrett Anderson 1990-7-20 5480 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC179268  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8174 Modoc Cedarville. Comment
  CAS-BOT-BC179269  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8150 Modoc Fandango Pass. Comment
  CAS-BOT-BC179270  Phacelia hastata subsp. hastata Elmer Ivan Applegate 1932-8-1 7964 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  RSA133982  Phacelia hastata subsp. hastata L. R. Heckard 1952-6-19 316 Modoc About seven miles north of Alturas along U. S. Highway 395. 1341 Comment
  HSC13656  Phacelia hastata var. hastata M. T. Milligan 1964-6-25 87 Modoc Upper Lassen Creek 1829 Comment
  HSC30188  Phacelia heterophylla subsp. virgata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19468 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  HSC30189  Phacelia heterophylla subsp. virgata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19406 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  HSC13654  Phacelia heterophylla subsp. virgata R. C. Wunner 1965-6-13 175 Modoc Lava Beds National Monument, Indian Well Headquaters Comment
  HSC13657  Phacelia heterophylla subsp. virgata M. T. Milligan 1964-7-1 100 Modoc 1/2 mi. E of Rattlesnake Butte Rd. on Modoc Co. Rd. 54 1372 Comment
  POM73456  Phacelia heterophylla subsp. virgata Mrs. R. M. Austin 547 Modoc Goose Lake Valley Comment
  UC1084735  Phacelia humilis R. Ornduff 1957-7-6 4228 Modoc 1 mi e Benton Meadow (on road from Lake City to Davis Creek); Warner Mts. 1828 Comment
  UC1234580  Phacelia humilis Peter H. Raven 1962-5-29 17890 Modoc 0.8 mi mi w Cedar Pass; Warner Mountains 1859 Comment
  CAS-BOT-BC179977  Phacelia humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16406 Modoc Cedar Pass Campground, 3 mi. E of Thoms Creek Bridge. Comment
  CAS-BOT-BC179983  Phacelia humilis var. humilis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10542 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC179957  Phacelia linearis Bruce Bartholomew; Barrett Anderson 1989-6-2 4779 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  UC526140  Phacelia linearis John Thomas Howell 1934-6-13 12081 Modoc Fandango Pass Warner Mts. 1828 Comment
  RSA428041  Phacelia linearis George Willet 1935-6-12 s.n. Modoc Warren Mountains 2287 Comment
  RSA518817  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  CAS-BOT-BC179930  Phacelia ramosissima var. eremophila Clare Butterworth Hardham 1961-6-20 7872 Modoc Pine Creek Canyon. 1676 Comment
  CAS-BOT-BC179932  Phacelia ramosissima var. eremophila Clare Butterworth Hardham 1961-6-20 7872 Modoc Pine Creek Canyon. 1676 Comment
  UC660147  Phacelia ramosissima var. ramosissima Marion Ownbey and Fred G. Meyer 1940-7-1 2156 Modoc Cedar Peak Warner Mts. (se slopes) Comment
  UC748439  Phacelia ramosissima var. ramosissima Annie M. Alexander and Louise Kellogg 1946-7-7 4943 Modoc ne corner of county Eight Mile Creek 1752 Comment
  CAS-BOT-BC179921  Phacelia tetramera Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6458 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC179917  Phacelia thermalis Alice Eastwood; John Thomas Howell 1940-6-15 8287 Modoc 9 mi. N of Lookout. Comment
  JEPS2794 Image available Phacelia thermalis M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley; ; Little Hot Spring Valley, Modoc Co. Comment
  UC726937  Phacelia thermalis A. A. Heller 1941-6-26 16220 Modoc three mi w Canby (along hwy) Comment
  CAS-BOT-BC247594  Phleum pratense Bruce Bartholomew; Barrett Anderson 1988-7-22 4510 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CDA2316  Phleum pratense T. C. Fuller 1958-7-8 2015 Modoc Davis Creek. 0 Comment
  JEPS70607  Phleum pratense W. L. Jepson 1918-8-9 7913 Modoc near Ft. Bidwell; near Ft. Bidwell 1432 Comment
  POM313149  Phleum pratense H. L. Mason, Verne Grant 1947-7-10 13358 Modoc 1/4 mile west of Dorris Reservoir; 2 miles east of Alturas Comment
  UC1124187  Phlox caespitosa R. C. Wilson 1933-5-21 24 Modoc Stone Coal Valley Road at Hess Mine Modoc National Forest, Canby Quad. 1463 Comment
  CAS-BOT-BC197945  Phlox diffusa Annie Montague Alexander; L. Kellogg 1946-6-27 4845 Modoc Highgrade, top of ridge, 2 mi. by road from Dismal Swamp. 2377 Comment
  JEPS2796 Image available Phlox douglasii Mrs. C. C. Bruce 1898-7-1 2331 Modoc head Davis Creek; ; Head of Davis Creek, Modoc Co. Comment
  CAS-BOT-BC197919  Phlox douglasii subsp. rigida Elmer Ivan Applegate 1897-5-31 976 Modoc Dry Lake. Comment
  UC23588  Phlox gracilis Mrs. C. C. Bruce Jun 1898 2199 Modoc Goose Lake valley Comment
  UC71715  Phlox gracilis Mrs. M. H. Manning Apr 1903 64 Modoc near Fort Bidwell (ne Modoc County) Comment
  CAS-BOT-BC197888  Phlox hoodii subsp. canescens Bruce Bartholomew 1991-5-24 5729 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  CAS-BOT-BC197883  Phlox speciosa B. Bartholomew 1992-5-17 6344 Modoc SW side of White Horse Mtns, SW of White Horse Reservoir 1460 Comment
  HSC17178  Phlox stansburyi M. T. Milligan 1964-6-20 54 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  CAS-BOT-BC58305  Phoenicaulis cheiranthoides John Thomas Howell 1934-6-13 12104 Modoc North Fk. of Barber Creek. 1828 Comment
  CAS-BOT-BC58307  Phoenicaulis cheiranthoides Robert Patterson; Mona Bourell 1993-8-15 5256 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC58313  Phoenicaulis cheiranthoides M. Vasey 1990-6-28 9014 Modoc Trail to summit above N Emerson Lake. 2651 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
  UC748068  Phoenicaulis cheiranthoides Annie M. Alexander and Louise Kellogg 1946-6-26 4834 Modoc Dismal Swamp, n end of Warner Mountains Dismal Swamp; Warner Mountains, Dismal Swamp 2255 Comment
  UCD116140  Phoenicaulis cheiranthoides R. N. Raynor 1940-4-13 s.n. Modoc Joseph Creek. Comment
  HSC6879  Phoenicaulis cheiranthoides M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  CAS-BOT-BC134911  Phoradendron bolleanum Paul F. Covel 1939-8-13 1622 Modoc Lava Beds Nat. Mon. at hdqtrs. Comment
  CAS-BOT-BC247590  Phragmites australis Bruce Bartholomew 1994-10-9 6886 Modoc Just N of Lassen County on road to Eagleville, S end of Surprise Valley. 1370 Comment
  CAS-BOT-BC247592  Phragmites australis Herbert Louis Mason 1947-8-11 13501 Modoc Hwy 81, N of Modoc-Lassen County line. Comment
  JEPS127204  Pilularia americana Lowell Ahart, John Dittes 2016-6-6 20956 Modoc About one mile south the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC478167  Pinus albicaulis John Thomas Howell 1934-6-14 12109 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  UC1096388  Pinus albicaulis Stanton A. Cook 1958-7-19 829 Modoc above Patterson public camp; Warner Mts. 2438 Comment
  UC401393  Pinus albicaulis W. P. Taylor and H. C. Bryant 1910-7-1 Modoc Summit of Warren Pk. Warner Mountains, Summit of Warren Pk. 2926 Comment
  UCSB31430  Pinus albicaulis Haller, John 1978-7-19 Modoc Summit ridge of Warner Mountains, 1 km. north of the Likely-Eagleville Road 2377 Comment
  UC401406  Pinus contorta subsp. murrayana Belknap C. Goldsmith 1911-6-14 30 Modoc N. Fk. Davis Ck. Modoc National Forest, Warner Mts., N. Fk. Davis Ck. (w slope Warner Mts., wet springy flat) 1889 Comment
  CAS-BOT-BC73024  Pinus monticola Marion Ownbey; Fred G. Meyer 1940-7-1 2153 Modoc Near summit of Clear Peak, Warner Mts. Comment
  SEINET12548120  Pinus ponderosa var. ponderosa D. A. Charlet, R. Winjes 1994-5-23 1837 Modoc Warner Mountains between Lake City & Ft. Bidwell 1445 Comment
  NY60273  Pinus washoensis B. M. Bartholomew 1994-7-2 6821 Modoc Just north of South Fork of Davis Creek near the crest of the Warner Mountains 2300 Comment
  CAS-BOT-BC242223  Piperia unalascensis Leland S. Smith 1922-7-20 1302 Modoc Field redacted by CAS, contact the data manager for more information 1905 Comment
  CHSC109643  Plagiobothrys cusickii Lowell Ahart; John Dittes 2012-7-11 18332 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
  JEPS118249  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
  JEPS13889  Plagiobothrys hispidulus Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3743 Modoc at railroad crossing 3/4 mi e Canby (along US Hwy 299) 1310 Comment
  CAS-BOT-BC58791  Plagiobothrys leptocladus G. Schoolcraft 1984-6-24 1260 Modoc E of Middle Alkali Lake. 1356 Comment
  POM312624  Plagiobothrys mollis H. L. Mason 1947-8-9 13475 Modoc East side of Fairchild Swamp, north of Alturas Comment
  UC1191649  Plagiobothrys mollis Herbert L. Mason 1947-8-9 13475 Modoc n Alturas (e side Fairchild Swamp); e side Fairchild Swamp Comment
  CAS-BOT-BC58795  Plagiobothrys mollis var. mollis Bruce Bartholomew; Barrett Anderson 1988-7-21 4421 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC58797  Plagiobothrys mollis var. mollis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16523 Modoc Near Cloverswale Creek, 4.8 mi. NE of Canby. Comment
  JEPS117365  Plagiobothrys mollis var. mollis Lowell Ahart, John Dittes 2010-8-30 17077 Modoc About 25 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  SD130521  Plagiobothrys mollis var. mollis B. Bartholomew, B. Anderson 1988-7-21 4421 Modoc South end of Whitehorse Flat Reservoir. 1340 Comment
  UC24556  Plagiobothrys reticulatus M. S. Baker and Frank Nutting 1894-5-26 Modoc Goose Valley Comment
  GMDRC7868  Plagiobothrys salsus Ron Kelley 2006-6-27 Modoc Surprise Valley: east of Warner Mountains, near Cedarville 1363 Comment
  CAS-BOT-BC58758  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13415 Modoc Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC497196  Plagiobothrys scouleri E. Joyal; D. Mehlman 1988-6-27 1287 Modoc Warner Mts., Jess Valley 1500 Comment
  RSA164362  Plagiobothrys scouleri var. hispidulus Clare B. Hardham 1961-6-17 7518 Modoc Cedar Pass Camp Ground, Warner Mountains Comment
  CAS-BOT-BC190749  Plantago lanceolata Bruce Bartholomew 1990-8-3 5614 Modoc 8 km E of Likely on road to Jess Valley. Along S Fork of the Pit River. 1420 Comment
  CAS-BOT-BC190748  Plantago major Bruce Bartholomew 1990-8-3 5615 Modoc 8 km E of Likely on road to Jess Valley. Along S Fork of the Pit River. 1420 Comment
  HSC31998  Platanthera dilatata var. leucostachys A. Montalvo, J. D. Ackerman 1974-7-5 366 Modoc Near the confluence of Bolan Creek and Thoms Creek, just W of Cedar Pass Comment
  CAS-BOT-BC242208  Platanthera stricta Bruce Bartholomew 1989-8-11 5075 Modoc Field redacted by CAS, contact the data manager for more information 1920 Comment
  CAS-BOT-BC245390  Plectritis macrocera Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6515 Modoc Ca. 1 km W of Adin on road to Lookout. 1280 Comment
  CAS-BOT-BC245392  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-4-29 4706 Modoc Sand Creek, E side of Surprise Valley, ca. 10 km E of Cedarville. 1400 Comment
  CHSC85117  Plectritis macrocera John Dittes; Josephine Guardino 1991-7-21 418 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  UC1018936  Plectritis macrocera Lois Hoit 1938-1 Modoc Cedar Mountain Comment
  UC1024979  Poa X fibrata Leo Whitney 1935-7-6 3419 Modoc Crank Springs Comment
  CAS-BOT-BC247585  Poa bulbosa Margaret J. Williams 1984-6-30 84- 80 -2 Modoc 6.8 mi. W of Cedarville-Gerlach road. Granger Canyon road. 1981 Comment
  UC1132596  Poa bulbosa Leo Whitney 1935-5-29 3129 Modoc Bieber; Bieber Quadrangle Comment
  JEPS70631  Poa cusickii L. S. Smith 1917-7-2 71 Modoc head of Shields Creek; Wasrner Mts 2286 Comment
  JEPS120123  Poa cusickii subsp. cusickii Lowell Ahart, John Dittes 2012-7-10 18328 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC85133  Poa pratensis John Dittes; Josephine Guardino 1991-7-21 435 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
  HSC80838  Poa pratensis G. M. Riegel 1979-7-13 527 Modoc South Warner Mtns. 2100 Comment
  HSC80839  Poa pratensis G. M. Riegel 1979-7-5 493 Modoc S Warner Mtns. 2100 Comment
  UCD91855  Poa pratensis J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC247613  Poa pratensis subsp. pratensis Bruce Bartholomew 1989-8-11 5099 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  CAS-BOT-BC247619  Poa pratensis subsp. pratensis Bruce Bartholomew; Barrett Anderson 1990-7-19 5424 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  POM203056  Poa secunda J. T. Howell 1934-7-1 12345 Modoc Duncan Horse Camp Comment
  POM260253  Poa secunda C. L. Hitchcock 1940-5-28 6725 Modoc 15 miles N of Alturas. 1402 Comment
  POM260300  Poa secunda C. L. Hitchcock 1940-5-27 6660 Modoc 9 miles northeast of Alturas. 1402 Comment
  UC1100380  Poa secunda subsp. juncifolia Herbert L. Mason, Malcolm A. Nobs, and S. Galen Smith 1949-5-29 765 Modoc 2 mi e Adin Comment
  CAS-BOT-BC247659  Poa secunda subsp. secunda Isabel T. Kelly 1930-1-1 60 Modoc Modoc County. Comment
  CAS-BOT-BC247664  Poa secunda subsp. secunda C. L. Hitchcock 1940-5-28 6725 Modoc 15 mi. N of Alturas. 1402 Comment
  CAS-BOT-BC247673  Poa secunda subsp. secunda Bruce Bartholomew; Barrett Anderson 1989-6-2 4791 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CHSC52703  Poa secunda subsp. secunda James Jokerst 1983-5-31 1804 Modoc Near Signal Butte. 1340 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
  CAS-BOT-BC179345  Pogogyne floribunda James D. Jokerst 1987-7-13 2946 Modoc W of Sector 4 of the Air Force Backscatter Radar site. Ca. 3 mi. S of Doublehead Mountain. Comment
  CAS-BOT-BC179353  Pogogyne floribunda Bruce Bartholomew 1991-7-5 5932 Modoc Cow Head Tank, ca. 6 km NW of Dorris Brothers Reservoir. 1520 Comment
  CHSC67515  Pogogyne floribunda J. D. Jokerst 1987-6-23 2932 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake). W of Dirt Road about 1.3 miles SE of Doublehead Lake and 2/3 mile NW of Lone Pine Lake. Comment
  CHSC67518  Pogogyne floribunda J. D. Jokerst 1987-6-23 2931 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear lake). Small lake several hundred meters S of Doublehead Lake. Comment
  RSA0003939  Pogogyne floribunda J. D. Jokerst 1990-7-31 3205 Modoc Devils Garden Ranger Dist., l.5 miles SE of Doublehead Mtn. 1372 Comment
  JEPS69908  Polemonium micranthum B. C. Goldsmith 1912-5-1 Modoc Alturas Comment
  HSC17207  Polemonium occidentale subsp. occidentale M. T. Milligan 1966-7-5 554 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  HSC81029  Polemonium occidentale subsp. occidentale G. M. Riegel 1980-7-2 807 Modoc S Warner Mtns. 2100 Comment
  HSC81028  Polemonium pulcherrimum G. M. Riegel 1980-7-28 948 Modoc S Warner Mtns. 2100 Comment
  UCR34704  Polemonium pulcherrimum J. A. Harpel 1981-8-6 V 26 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CHSC67097  Polyctenium fremontii var. fremontii James D. Jokerst 1987-5-13 2855 B Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, dry lake W and adjacent to N end of central sector. 1353 Comment
  CAS-BOT-BC218130  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1988-7-21 4409 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC218132  Polygonum douglasii Louis Cutter Wheeler 1935-8-6 3801 Modoc Pine Creek (town). 1493 Comment
  POM319195  Polygonum douglasii Patricia Wilder 1971-6-20 5073 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  UC466036  Polygonum douglasii subsp. austiniae Mrs. R. M. Austin Aug. 1894 280 Modoc Goose Lake Valley Comment
  UC6693  Polygonum douglasii subsp. austiniae Mrs. R. M. Austin and Bruce June 1898 134 Modoc Goose Lake Comment
  UC466034  Polygonum douglasii subsp. douglasii Mrs. R. M. Austin July 1890 431 Modoc Goose Lake Valley Comment
  SEINET3405928 Image available Polygonum douglasii var. johnstonii Arnold Tiehm 1984-6-30 8841 Modoc NW side of Bidwell Mt., 2.8 road miles N of 8 mile creek on the road from Lake Annie 1829 Comment
  SEINET3087327 Image available Polygonum kelloggii Arnold Tiehm 1984-7-30 8829 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1615 Comment
  UC1101143  Polygonum lapathifolium Herbert L. Mason and Verne Grant 1947-7-11 13372 Modoc irrigation ditch by Jones' Lane (off Hwy 395, s of Alturas) Comment
  CDA22825  Polygonum lapathifolium T. C. Fuller 1958-8-12 2070 Modoc Corporation Ranch, Likely. 0 Comment
  UC1060643  Polygonum polygaloides Herbert L. Mason 1957-7-6 14725 Modoc Rim Rock, West of Goose Lake 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
  CHSC81396  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1407 Modoc Ca. 13 mi nw of Canby, along n side of Hwy 139, ca. 300 ft e of Forest Service Rd 44N11. 1481 Comment
  JEPS98244  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1416 Modoc Hog Lake 1499 Comment
  UCD77944  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1417 Modoc Ca. 11 mi nw of Canby, 1,000 ft n of Hwy 139. 1487 Comment
  CAS-BOT-BC218183  Polygonum polygaloides subsp. kelloggii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10553 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CDA15890  Polygonum punctatum J. DiTomaso 2000-7-25 s.n. Modoc Modoc Plateau; Along Eastside Canal, 1/4 mi. W of US Hwy 395 off Jones Lane, and 1/2 mi. S of southern tip of Modoc National Wildlife Refuge. 1371 Comment
  RSA334868  Polygonum sawatchense subsp. sawatchense A. Tiehm 1984-6-30 8841 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  CDA13459  Polygonum spergulariiforme G. F. Hrusa, T. D. Wilfred 1996-7-21 13306 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  HSC10822  Polypogon monspeliensis M. T. Milligan 1964-8-21 229 Modoc South end of Dorris Resvr. Dam. Comment
  SACT002056  Polypogon monspeliensis Malcolm Nobs, Galen Smith 1949-7-20 Modoc Four mile west of Adin. Comment
  CAS-BOT-BC225101  Populus tremuloides A. D. Borden 1911-5-21 s.n. Modoc Creek SW of Sugar Hill. Comment
  RSA59861  Populus trichocarpa E. K. Balls 1950-5-11 14610 Modoc W of Middle Lake. Between Eagleville and Cedarville. 1433 Comment
  SEINET11984746  Populus trichocarpa E. K. Balls 1950-1 14610 Modoc W of Middle Lake, between Eagleville and Cedarville 1433 Comment
  JEPS77520  Porterella carnosula L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4888 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen County line); Warner Mts. 2011 Comment
  SEINET10460821  Porterella carnosula Mason 1947-8-12 Mason 13502 -a Modoc Comment
  SEINET3812421 Image available Porterella carnosula Calvin McMillan 1949-6-16 1534 Modoc March three miles S of Crowder Flat, in N central Modoc County about 7 miles S of the Oregon border Comment
  UC1058201  Porterella carnosula Calvin McMillan 1949-6-16 1534 Modoc marsh three mi s Crowder Flat (about seven mi s of the Oregon border, in n central Modoc County); s of Crowder Flat Comment
  RSA577885  Potamogeton diversifolius L. C. Wheeler 1935-8-22 3903 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  CAS-BOT-BC242235  Potamogeton natans Louis Cutter Wheeler 1935-9-11 3973 Modoc Fletcher Creek, Devia's Garden. 1524 Comment
  RSA577889  Potamogeton natans L. C. Wheeler 1935-9-11 3973 Modoc Fletcher Creek at Pease Place, Devils Garden. 1524 Comment
  UC1100064  Potamogeton nodosus Verne Grant, Irving Schneider 1947-7-21 8124 Modoc North Fork of Pit River (by bridge on Highway 395, n of Alturas) Comment
  UC1100033  Potamogeton pusillus var. pusillus Herbert L. Mason, Verne Grant 1947-7-11 13382 Modoc 1 mi e of Likely (on road from Likely to Jess Valley) Comment
  UC1099850  Potamogeton striatus Herbert L. Mason 1947-8-15 13540 Modoc e. side Goose Lake (mouth of Crane Creek on Willow Ranch) Comment
  SEINET6635678  Potentilla anserina subsp. anserina G. Schoolcraft, B. Bartholomew 1998-6-5 2728 Modoc Approx 2 mi E. of Eagleville on N. side of road 1366 Comment
  NY831696  Potentilla biennis R. M. Austin 06 1894 s.n. Modoc Willow Creek Valley Comment
  JEPS44193  Potentilla fruticosa L. S. Smith 1918-8-27 1051 Modoc n slope Milk Creek 2438 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-BC214793  Potentilla gracilis Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10541 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  UC1594792  Potentilla gracilis David Charlet 1989-8-15 499 Modoc 1 km nw Eagle Peak (Upper Slide Creek); South Warner Mountains, Upper Slide Crk, nw of Eagle Pk 2550 Comment
  HSC80693  Potentilla gracilis var. fastigiata G. M. Riegel 1979-8-13 661 Modoc S Warner Mtns. 1670 Comment
  JEPS44223  Potentilla gracilis var. flabelliformis W. L. Jepson 1918-8-9 7911 Modoc Ft. Bidwell 1432 Comment
  RSA85691  Potentilla gracilis var. flabelliformis F. W. Peirson 1926-6-25 6883 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  POM98605  Potentilla gracilis var. flabelliformis F. W. Peirson 1926-6-25 6883 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  CAS-BOT-BC214798  Potentilla newberryi John Thomas Howell 1934-7-2 12356 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  POM224393  Potentilla newberryi L. D. Whitney 1935-7-29 3595 Modoc Near west end of Clear Lake Comment
  RSA85735  Potentilla newberryi J. T. Howell 1934-7-2 12359 Modoc East side of Clear Lake Comment
  UC1191494  Potentilla rivalis Herbert L. Mason 1947-8-13 13518 Modoc n Canby (ne side of F reservoir); n of Canby, ne side of F reservoir Comment
  UC71596  Prunus emarginata Mrs. M. H. Manning 1903-9-15 7 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  CAS-BOT-BC214815  Prunus subcordata Elmer Ivan Applegate 1932-8-6 8205 Modoc Near Cedarville, Surprise Valley. Comment
  OBI10041  Prunus subcordata H. E. McMinn 1931-5-23 2480 Modoc Warner Mts. Road from Alturas to Cedarville on W slope of Mt Comment
  SD46571  Prunus subcordata Robert J. Weatherby 1955-7-8 1630 Modoc 6 miles north of Ft. Bidwell, Warner Mts. 1646 Comment
  CAS-BOT-BC225010  Prunus virginiana var. demissa A. D. Borden 1911-6-15 s.n. Modoc S slope of Shields Creek. Comment
  CAS-BOT-BC225012  Prunus virginiana var. demissa Annie Montague Alexander; L. Kellogg 1946-6-9 4706 Modoc Mouth of Eagle Creek Canyon, Warner Mts. Comment
  HSC65595  Prunus virginiana var. demissa Thomas Wood 1979-8-9 229 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  UC114549  Prunus virginiana var. demissa Mrs. R. M. Austin June 1894 105 Modoc Willow Creek Comment
  UC1281137  Prunus virginiana var. demissa H. E. McMinn 1931-5-23 2000 Modoc Warner Mountains 1981 Comment
  UC748224  Prunus virginiana var. demissa Annie M. Alexander and Louise Kellogg 1946-6-5 4659 Modoc 1 1/2 mi s of Eagleville (Emerson Creek); Warner Mountains, Emerson Creek 1783 Comment
  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
  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
  UCD91505  Pseudoroegneria spicata Beecher Crampton; Carl Rimbey 1954-7-8 2183 Modoc west slope of Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  UCD91512  Pseudoroegneria spicata August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  SEINET10791512  Pseudoroegneria spicata Charles L. Hitchcock 1940-5-28 Hitchcock 6724 Modoc On dry slope. 15 miles north of Alturas (near Surprise). 1402 Comment
  UC1024942  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-2 3329 Modoc 17 mi nw of Canby (Badger Wells); Badger Wells Comment
  UC1025002  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-11 3460 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 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
  CAS-BOT-BC95217  Pseudostellaria jamesiana Roxana Stinchfield Ferris; R. Duthie 1919-6-13 30 Modoc Near Parker Creek, Warner Mts. Comment
  CAS-BOT-BC95226  Pseudostellaria jamesiana John Thomas Howell 1934-6-11 11959 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC95231  Pseudostellaria jamesiana Bruce Bartholomew; Barrett Anderson 1988-7-21 4455 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC95235  Pseudostellaria jamesiana Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2142 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC95237  Pseudostellaria jamesiana Bruce Bartholomew 1990-6-17 5302 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  RSA27379  Pseudostellaria jamesiana C. L. Hitchcock 1940-5-27 6679 Modoc 15 miles northeast of Alturas. 1616 Comment
  NY63591  Pseudotsuga menziesii var. menziesii B. M. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir 1400 Comment
  POM229881  Psilocarphus brevissimus L. C. Wheeler 1935-8-25 3920 Modoc Rim Rock Valley Reservoir, Devil's Garden 1524 Comment
  JEPS114689  Psilocarphus brevissimus var. brevissimus Lowell Ahart, John Dittes 2008-6-21 14986 Modoc Bottom of a large vernal pool, about 50 yards northwest of a large culvert, about 25 yards west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  JEPS118266  Psilocarphus tenellus var. tenellus Lowell Ahart, John Dittes 2011-6-22 17543 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  CAS-BOT-BC30197  Pteridium aquilinum var. pubescens Bruce Bartholomew 1994-5-28 6715 Modoc E side of Sugar Hill, W side of Warner Mts. 1840 Comment
  UC1608978  Pteryxia terebinthina var. californica B. Bartholomew 1993-6-12 6583 Modoc Road to Day Rock from Little Hot Spring Valley 381 Comment
  UCD32718  Puccinellia Beecher Crampton 1954-7-7 2155 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCD32719  Puccinellia distans Beecher Crampton 1954-7-7 2156 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  CHSC115565  Puccinellia lemmonii Lowell Ahart; John Dittes 2015-7-15 20345 Modoc On the east side of Elkins Lane, about 100 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) northeast of Bieber, Big Valley. 1266 Comment
  SEINET230258 Image available Puccinellia lemmonii Arnold Tiehm, Gary Schoolcraft; Jan Nachlinger 1984-6-24 8799 Modoc Surprise Valley east side of Middle Alkali Lake east of Cedarville. 1356 Comment
  CAS-BOT-BC218238  Purshia tridentata var. tridentata John Thomas Howell 1934-6-11 11925 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC218239  Purshia tridentata var. tridentata Elmer Ivan Applegate 1932-8-5 8185 Modoc Arid S slope of Cedar Mountain, Warner Mts. Comment
  UC1128536  Purshia tridentata var. tridentata R. C. Wilson 1933-6-7 41 Modoc Pothole Gulch; Modoc National Forest, Canby Quad. 1310 Comment
  RSA0081566  Pyrola minor Bruce Bartholomew, B. Anderson, Bartholomew 1990-7-20 5511 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  HSC80766  Pyrola picta G. M. Riegel 1979-9-4 740 Modoc S Warner Mtns. 1670 Comment
  SEINET195663  Pyrola picta Unknown 1946-7-4 5068 Modoc Trail to Emerson Camp, Bear Camp Flat, Warner Mountains Comment
  NY188342  Pyrola picta M. S. Baker 1893-7-20 Modoc Comment
  CAS-BOT-BC50400  Pyrrocoma hirta var. lanulosa Fred. P. Cronemiller 1920-8-30 26 Modoc Windmill Flat. 1524 Comment
  RSA606139  Pyrrocoma lanceolata L. C. 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
  UC86535  Pyrrocoma racemosa var. paniculata Mrs. R. M. Austin Aug 1886 Modoc Goose Lake Comment
  UC922549  Quercus kelloggii Annie M. Alexander and Louise Kellogg 1948-9-18 5623 Modoc 1 mi SW of Adin Pass summit 1524 Comment
  CAS-BOT-BC180123  Quercus kelloggii Leland S. Smith 1922-8-1 1326 Modoc Bieber Allot foothills, S of Thompson's. 1219 Comment
  CAS-BOT-BC217256  Ranunculus alismifolius Leland S. Smith 1920-6-2 1156 Modoc 12 Mile Creek. 2042 Comment
  CHSC117806  Ranunculus alismifolius var. lemmonii L. P. Janeway 2016-5-18 12066 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  RSA486803  Ranunculus andersonii Bruce Bartholomew, B. Anderson 1988-5-13 4163 Modoc Granger Summit, ca. 10 km NW of Pepperdine at the top of the Warner Mountains. 1770 Comment
  UC9021 Image available Ranunculus andersonii Mrs. R. M. Austin and Mrs. C. C. Bruce Jun 1898 2134 Modoc w slope Lake City Pass Lake city mountain; Modoc Co. 1828 Comment
  CAS-BOT-BC217267  Ranunculus aquatilis var. aquatilis Bruce Bartholomew 1994-5-29 6736 Modoc Curtis Water Hole, NW of Egg Lake. 1280 Comment
  CAS-BOT-BC379160  Ranunculus aquatilis var. aquatilis Clare R. Wheeler; Gladys L. Smith 1981-5-23 2277 Modoc Rancheria Creek at Elkhorn Road, Yorkville, 4.5 mi S of Hwy 128 274 Comment
  CAS-BOT-BC379162  Ranunculus aquatilis var. aquatilis Alice Eastwood 1928-7-7 15268 Modoc Howard Lake, Forest Reserve Comment
  JEPS60659  Ranunculus aquatilis var. capillaceus Frances D. Payne 1929-7-26 124 Modoc 2 mi sw Warren Mt. (se Modoc Co., pond outlet); Pine Creek Basin 2133 Comment
  UC748211  Ranunculus aquatilis var. capillaceus Annie M. Alexander and Louise Kellogg 1946-7-7 4921 Modoc pond w Lake Annie Comment
  UC9369  Ranunculus aquatilis var. capillaceus Milo S. Baker 1893-7-9 Modoc Comment
  SEINET12087539  Ranunculus austinae R. M. Austin 1894-1 s.n. Modoc E of Willow Creek Comment
  CAS-BOT-BC217233  Ranunculus cymbalaria Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10602 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road, Warner Mts. Modoc National Forest Comment
  RSA0114935  Ranunculus cymbalaria Lowell Ahart, John Dittes 2013-7-24 18938 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1269 Comment
  UCR133562  Ranunculus cymbalaria var. saximontanus Mrs. R. M. Austin 1895-1 166 Modoc Goose Lake 1433 Comment
  CAS-BOT-BC217239  Ranunculus flabellaris Alice Eastwood; John Thomas Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  JEPS55077  Ranunculus glaberrimus Leland S. Smith 1918-3-21 915 Modoc near Alturas; Juniper Flats 1371 Comment
  CAS-BOT-BC217205  Ranunculus glaberrimus var. glaberrimus Leland S. Smith 1919-4-20 1078 Modoc Sagebrush flats W of Alturas. 1371 Comment
  SJSU5142  Ranunculus glaberrimus var. glaberrimus A. G. Gunderson 1970-3-28 Modoc near Likely, 20 mi S of Alturus 1524 Comment
  CAS-BOT-BC217177  Ranunculus occidentalis John Thomas Howell 1934-6-11 11965 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC217225  Ranunculus occidentalis Alice Eastwood; John Thomas Howell 1940-6-15 8283 Modoc Near Happy Camp Ranger Station. Comment
  JEPS86347  Ranunculus occidentalis Jack and Betty Guggolz 963 Modoc w Jenkins Comment
  UC1126194  Ranunculus occidentalis R. C. Wilson 1933-5-21 22 Modoc Rush Creek Canby Quadrangle Comment
  CAS-BOT-BC217216  Ranunculus occidentalis var. ultramontanus L. A. M. Black 1894-6-1 74 Modoc Davis Creek. Comment
  CAS-BOT-BC217188  Ranunculus orthorhynchus var. orthorhynchus Bruce Bartholomew; Barrett Anderson 1989-6-1 4758 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CAS-BOT-BC217189  Ranunculus orthorhynchus var. orthorhynchus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16486 Modoc 6.4 mi. S of Lassen Creek camp ground, on roda to Buck Mt., Warner Mts. Comment
  UC72750  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker Modoc Forestdale Comment
  POM269467  Ranunculus oxynotus Elmer I. Applegate 1932-8-3 8133 Modoc E slope of Eagle Peak, near summit, Warner Mts. 2744 Comment
  RSA8216  Ranunculus oxynotus Elmer I. Applegate 1932-8-3 8133 Modoc E slope of Eagle Peak, near summit, Warner Mts. 2744 Comment
  CAS-BOT-BC217191  Ranunculus sceleratus Annie Montague Alexander; L. Kellogg 1946-6-7 4674 Modoc 2 mi. E of Cedarville. 1453 Comment
  HSC11525  Ranunculus testiculatus M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  CAS-BOT-BC217166  Ranunculus uncinatus Elmer Ivan Applegate 1932-7-31 7973 Modoc Mill Creek Meadows, west slope of Warner Mts. Comment
  CAS-BOT-BC217157  Ranunculus uncinatus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16395 Modoc along Thomas Creek, 6.1 mi. E of California State Highway 299 on road to Cedarville Comment
  UC18577  Rhamnus rubra Milo S. Baker 1893-7-20 Modoc near Egg Lake; Lava Beds Comment
  CAS-BOT-BC225857  Ribes aureum Elmer Ivan Applegate 1929-7-29 6089 Modoc N side of Clear Lake. Comment
  HSC65650  Ribes aureum J. P. Smith, J. O. Sawyer 1972-5-6 5278 Modoc Hill along Lassen Creek on road from Fandango Valley to Davis Creek 1463 Comment
  RSA204122  Ribes aureum J. T. Howell 1934-6-13 12096 Modoc Patterson Mill Road, Warner Mtns. 1677 Comment
  RSA488571  Ribes aureum Bruce Bartholomew, B. Anderson 1988-5-14 4188 Modoc 2 km. S of McGinty Point, edge of causeway across the SW corner of Goose Lake. 1430 Comment
  RSA520433  Ribes aureum Bruce Bartholomew, M. Bourell 1990-4-26 5163 Modoc Vicinity of Ostrom Point, N side of Pit River 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  UC1191522  Ribes aureum Verne Grant, Irving Schneider 1947-7-22 8142 Modoc about 1 mi n Cedarville road (on Highway 395); North Fork of Pit River Comment
  UCD35235  Ribes aureum Beecher Crampton; with Carl Rimbey 1954-7-8 2186 Modoc 12 miles east of Likely, canyon of the South Fork of the Pit River. Comment
  RSA97473  Ribes aureum Beecher Crampton, M. Bourell 1954-7-8 2186 Modoc Canyon of the South fork of the Pit River, 12 miles East of Likely. Comment
  CAS-BOT-BC225866  Ribes cereum Robert J. Weatherby 1955-7-7 1606 Modoc 7 mi. N of Ft. Bidwell. 1889 Comment
  CAS-BOT-BC225877  Ribes cereum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 89 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC225888  Ribes cereum A. D. Borden 1911-5-20 Modoc Sugar Hill 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
  CAS-BOT-BC225891  Ribes cereum G. Schoolcraft 1988-7-12 1825 Modoc E slope at lower part of N Deep Creek. 1554 Comment
  JEPS49423  Ribes cereum W. L. Jepson 1918-8-7 7860 Modoc Mt. Bidwell 1981 Comment
  UCR27242  Ribes cereum Susanne M. James 1980-5-15 515- 01 Modoc Modoc National Forest. 0.5 mi east of Loveness Road, and 6.5 mi west of Canby. Comment
  UCSB24065  Ribes cereum var. cereum McMinn, H. 1931-5-23 Modoc Warner Mtns; Cedarville Rd 1889 Comment
  JEPS43509  Ribes montigenum Frances D. Payne 1929-7-7 49 Modoc 2 mi sw Mt. Warren; Warner Mts., Pine Creek Basin 2133 Comment
  UC1523789  Ribes roezlii Lisa Janio 1981-7-9 Modoc n Adin 1402 Comment
  CAS-BOT-BC225913  Ribes velutinum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 139 Modoc Hills above Parker Creek at Modoc Nat. Forest. Comment
  CAS-BOT-BC225936  Ribes viscosissimum Bruce Bartholomew; Barrett Anderson 1988-6-24 4298 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-BC225945  Ribes viscosissimum A. D. Borden 1911-6-15 Modoc Davis Creek. Comment
  NY455558  Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 miles northeast of Alturas 1615.4 Comment
  NY455559  Ribes viscosissimum B. M. Bartholomew 1989-7-14 4978 Modoc Vicinity of Upper Rush Creek Camp Ground 1580 Comment
  NY455561  Ribes viscosissimum K. Paulson 1989-6-21 145 Modoc Pine Creek Basin, west side of the Warner Mountains 2109.2 Comment
  SEINET188375 Image available Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 miles northeast of Alturas 1615 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
  SEINET2149922  Ribes viscosissimum var. viscosissimum K. T. Harper 1974-1 132 Modoc Warner Mountains, Mt. Bidwell road. 2134 Comment
  CAS-BOT-BC50328  Rigiopappus leptocladus Bruce Bartholomew 1993-6-12 6575 Modoc Road to Day Rock from Little Hot Spring Valley. 1200 Comment
  CAS-BOT-BC50371  Rigiopappus leptocladus Bruce Bartholomew 1990-6-18 5385 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC50375  Rigiopappus leptocladus Bruce Bartholomew; Barrett Anderson 1989-6-1 4746 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  UC579731  Rigiopappus leptocladus David D. Keck and J. Clausen 1935-6-24 3715 Modoc 3 mi ne Willow Ranch (e of Goose Lake) 1550 Comment
  CAS-BOT-BC362919  Rigiopappus leptocladus David D. Keck; J. Clausen 1935-6-24 3715 Modoc 3 mi. northeast of Willow Ranch, east of Goose Lake 1550 Comment
  RSA152612  Rigiopappus leptocladus I. L. Wiggins, Dorothy Wiggins 1961-6-12 16373 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  CAS-BOT-BC58409  Rorippa austriaca W. Ball 1937-6-27 Modoc Corporation Ranch. Comment
  CDA34339  Rorippa austriaca E. Finley 1987-6-17 s.n. Modoc Big Valley; Jones Rd., off US 395, N of Likely. 0 Comment
  CHSC114918  Rorippa austriaca D. B. Joley 1976-6-23 7 Modoc Likely, near Alturas. Comment
  CAS-BOT-BC58377  Rorippa curvisiliqua Annie Montague Alexander; L. Kellogg 1946-6-26 4830 Modoc Dismal Swamp, N edge of Warner Mts. 2255 Comment
  CAS-BOT-BC58414  Rorippa curvisiliqua Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10561 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  HSC6900  Rorippa curvisiliqua M. T. Milligan 1966-7-27 590 Modoc N end of Jess Valley 1616 Comment
  UC748069  Rorippa curvisiliqua Annie M. Alexander and Louise Kellogg 1946-6-26 4830 Modoc Dismal Swamp n end Warner Mountains, Dismal Swamp 2255 Comment
  CAS-BOT-BC58454  Rorippa nasturtium-aquaticum Bruce Bartholomew; Barrett Anderson 1989-6-2 4783 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  UC1191427  Rorippa palustris Verne Grant and Irving Schneider 1947-8-28 8341 Modoc nw Alturas; Jack Swamp, nw of Alturas Comment
  JEPS119968  Rosa woodsii subsp. ultramontana Lowell Ahart, John Dittes 2012-7-10 18318 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  UC1075761  Rosa woodsii var. ultramontana Robert J. Weatherby 1955-7-8 1627 Modoc 5 mi n Ft. Bidwell; no. Warner Mts. 1783 Comment
  CAS-BOT-BC497306  Rosa woodsii var. ultramontana B. Bartholomew 1990-6-17 5284 Modoc Surprise Valley, SW side of Lower Alkali Lake, 1.0 km N of Lassen County border 1370 Comment
  CAS-BOT-BC211335  Rumex acetosella Bruce Bartholomew 1994-7-1 6753 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  CHSC117144  Rumex crispus Lowell Ahart; John Dittes 2016-7-14 21192 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-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
  UC1191272  Rumex maritimus Herbert L. Mason and Verne Grant 1947-7-11 13362 Modoc 5 mi s Alturas (on Highway 395) Comment
  CAS-BOT-BC211308  Rumex occidentalis Bruce Bartholomew 1989-8-12 5129 Modoc Deep Creek, E side of Warner Mountains. 1920 Comment
  CAS-BOT-BC211309  Rumex paucifolius Annie Montague Alexander; L. Kellogg 1946-7-11 4977 Modoc Mesa W of Eight Mile Creek, NE corner of county. Comment
  UC1101222  Rumex salicifolius var. lacustris Verne Grant and Irving Schneider 1947-7-20 8088 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  JEPS58031  Rumex salicifolius var. lacustris Frances D. Payne 1933-8-6 773 Modoc 2 mi sw Warren Mt. (se Modoc County); Pine Creek Basin 2316 Comment
  JEPS127298  Rumex transitorius Lowell Ahart, John Dittes 2016-7-14 21194 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-BC95281  Sagina saginoides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10531 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  POM260470  Sagina saginoides C. L. Hitchcock 1940-5-27 6708 Modoc 15 miles NE of Alturas. 1677 Comment
  HSC32020  Sagittaria cuneata J. D. Ackerman 1974-7-4 362 Modoc Howards Gulch, 6 mi. NW of Canby, off Hwy. 139 Comment
  SEINET8466591 Image available Sagittaria cuneata R. F. Thorne, C. W. Tilforth 1969-9-4 39058 Modoc 2 mi W of Davis Creek (town), S of Goose Lake. 1341 Comment
  POM119225  Sagittaria cuneata Mrs. R. M. Austin 1895-07 479 Modoc Davis Creek Comment
  UC71708  Sagittaria cuneata Mrs. M. H. Manning 1903-8-24 318 Modoc Sessions Swamps Comment
  UCD138014  Sagittaria cuneata Robert F. Thorne; C. W. Tilforth 1969-9-4 39058 Modoc 2 miles west of Davis Creek (town), south of Goose Lake. 1432 Comment
  POM182451  Sagittaria latifolia Milo S. Baker 1893-7-25 s.n. Modoc Egg Lake. 1220 Comment
  CAS-BOT-BC225117  Salix boothii Francis Dorris Payne 1932-7-21 729 Modoc marsh S of Mosquito Lake, E side of Mt. Warren (Buck Mt.), Warner Mts., E of Alturas Comment
  CAS-BOT-BC225121  Salix boothii Annie Montague Alexander; L. Kellogg 1946-6-25 4827 Modoc Dismal Swamp, N end of Warner Mountains. 2255 Comment
  CAS-BOT-BC225752  Salix boothii Francis Dorris Payne 1932-7-7 331 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  POM218965  Salix eastwoodiae Frances D. Payne 1931-7-7 333 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  UC433176  Salix eastwoodiae Belknap C. Goldsmith 1911-5-21 25 Modoc e shore Goose Lake; Modoc Forest Comment
  UC481865  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225768  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 494 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC225769  Salix exigua Belknap C. Goldsmith 1911-5-28 28 Modoc County road, near Goose Lake. 1493 Comment
  CAS-BOT-BC225770  Salix exigua Elmer Ivan Applegate 1932-8-6 8194 Modoc E side of Middle Lake, Surprise Valley, along Nevada-California State line. Comment
  CAS-BOT-BC225772  Salix exigua Alice Eastwood; John Thomas Howell 1940-6-13 8176 Modoc E side of Cedar Pass. Comment
  NY187446  Salix exigua F. D. Payne 1931-6-30 494 Modoc Parker Creek, 20 km east of Alturas. Meadow south of Payne Ranch 1560 Comment
  NY187447  Salix exigua N. F. Bracelin 1931-6-30 501 Modoc Alturas 1360 Comment
  RSA0039537  Salix exigua Lowell A. Ahart, John Dittes 2008-8-25 15310 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  RSA152680  Salix exigua I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16365 Modoc Pit River. 3.9 miles N of Alturas. Comment
  UC481956  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 494 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch) 1560 Comment
  RSA0030831  Salix exigua H. P. Bracelin, Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km. east of Alturas. 1560 Comment
  RSA59859  Salix exigua E. K. Balls 1950-5-20 14793 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  UC433177  Salix exigua var. hindsiana Belknap C. Goldsmith 1911-5-28 28 Modoc county rd. near Goose Lake Comment
  UC437348  Salix geyeriana W. P. Taylor and H. C. Bryant 1910-1 Modoc s. Fork Pitt R. Alturas; Warner Mts. 1402 Comment
  CAS-BOT-BC229686  Salix lasiandra subsp. caudata C. L. Hitchcock 1940-5-27 6699 Modoc 12 mi. NE of Alturas. 1615 Comment
  JEPS14856  Salix lasiandra var. caudata Frances D. Payne 1931-6-10 135 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  JEPS119654  Salix lasiandra var. lasiandra Lowell Ahart, John Dittes 2012-7-10 18315 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
  RSA0039532  Salix lasiolepis Lowell A. Ahart, John Dittes 2012-7-10 18316 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. 1266 Comment
  SD901  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc Halfway between Adin and Canby 1349 Comment
  UC481841  Salix lasiolepis Frances D. Payne 1931-6-10 136 Modoc Warner Mts., Parker Creek 1560 Comment
  UC481932  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby 1350 Comment
  CAS-BOT-BC229674  Salix lasiolepis var. lasiolepis Louis Cutter Wheeler 1935-8-3 3771 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC229663  Salix lemmonii Louis Cutter Wheeler 1935-8-3 3760 Modoc Pine Creek, Warner Mts. 1737 Comment
  POM218962  Salix lemmonii Frances D. Payne 1931-7-7 332 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  SBBG57898  Salix lemmonii F. D. Payne -Aug-1934 778 Modoc Pine Crk Basin 2316 Comment
  UC482348  Salix lemmonii Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 496 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch, Parker Creek); Parker Creek 1560 Comment
  CAS-BOT-BC229669  Salix ligulifolia Milo Samuel Baker 1893-7-15 Modoc unspecified 1371 Comment
  JEPS38499  Salix ligulifolia L. S. Smith 1918-1 54 Modoc Contralts Mill; Warner Mts. Comment
  RSA105448  Salix lutea H. P. Bracelin, Frances D. Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  UC481957  Salix melanopsis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 493 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch, Parker Creek); Parker Creek Comment
  CAS-BOT-BC229846  Salix prolixa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16367 Modoc Along banks of Pit River, about 3.9 mi. N of Alturas. Comment
  CAS-BOT-BC229835  Salix scouleriana Francis Dorris Payne 1931-6-22 283 Modoc Trail from summit of Granger Pass to Mt. Warren. 2100 Comment
  NY540068  Salsola tragus L. C. Wheeler 1973-1 s.n. Modoc North end of Big Mud Lake Comment
  UCD99474  Salsola tragus Louis C. Wheeler 1973-1 s.n. Modoc North end of Big Mud Lake. 1645 Comment
  CAS-BOT-BC179250  Salvia aethiopis B. Bartholomew 1995-8-1 7137 Modoc 14.8 km N of turn off to Cedarville on U.S. Hwy 395 and 8 km S of Davis Creek. 1450 Comment
  CAS-BOT-BC179252  Salvia aethiopis B. Bartholomew 1995-7-31 7078 Modoc Ca. 1.6 km N of turn off to Cedarville on U.S. Hwy 395. 1350 Comment
  RSA339139  Salvia aethiopis Margaret J. Williams 1984-6-29 84- 70 -1 Modoc North of Alturas on roadside Hwy 395 almost to Oregon border 1433 Comment
  UCD125444  Salvia aethiopis John C. Hays 1947-6-1 s.n. Modoc Joseph Creek, on W.A. Carlsberg Ranch. Comment
  CAS-BOT-BC179241  Salvia dorrii var. dorrii B. Bartholomew 1990-6-17 5324 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CAS-BOT-BC184106  Salvia dorrii var. pilosa Elmer I. Applegate 1935-6-7 9408 Modoc Lava Beds National Monument. Indian Wells Ranger Station Comment
  UC147283  Sambucus mexicana Milo S. Baker 1898-7-20 467 Modoc Taylor Cr. Forestdale Comment
  JEPS45509  Sanguisorba annua L. S. Smith 1918-6-14 936 Modoc South Slope Buck Creek Ranger Station and Willow Creek 1676 Comment
  UC719796  Sanguisorba annua Rogers McVaugh 1941-8-5 6248 Modoc 8.5 mi w Cedarville (w slope of Warner Mts.); w slope of Warner Mts. Comment
  CAS-BOT-BC15677  Sanicula graveolens Bruce Bartholomew; Barrett Anderson 1989-6-2 4840 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC15723  Sanicula graveolens Alice Eastwood; John Thomas Howell 1940-6-13 8186 Modoc W side of Cedar Pass. Comment
  RSA504661  Sanicula graveolens Bruce Bartholomew, B. Anderson 1988-7-23 4559 Modoc Road beyond Poison Lake 8km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2140 Comment
  RSA11894  Sarcobatus vermiculatus Elmer I. Applegate 1897-6-1 3035 Modoc Between Canby and Alturas Comment
  RSA59513  Saxifraga nidifica var. claytoniifolia E. K. Balls 1950-5-12 14657 Modoc N of Bucks Creek Ranger Station. Modoc National Forest. E of Goose Lake. 1646 Comment
  UC748344  Saxifraga oregana Annie M. Alexander and Louise Kellogg 1946-7-18 5027 Modoc Benton Meadow; Warner Mountains, Benton Meadow 2072 Comment
  UC1537641  Scirpus acutus var. occidentalis Gordon H. True Jr. 1939-7-21 1012 Modoc n Canby (Jack Swamp); , n of Canby Comment
  UC1100875  Scirpus americanus Herbert L. Mason 1947-8-11 13491 Modoc on Highway 81 w margin Lower Lake (near boundary between Lassen and Modoc counties); w margin Lower Lake Comment
  CAS-BOT-BC245120  Scirpus microcarpus Bruce Bartholomew 1989-8-11 5062 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC245122  Scirpus microcarpus Alice Eastwood; John Thomas Howell 1940-6-13 8183 Modoc E side of Cedar Pass. Comment
  SEINET4170939  Scirpus microcarpus Verne Grant, Irving Schneider 1947-7-22 8152 Modoc Headwaters of North Fork of Pit River, 1 mi N. W. of Hwy. 395 on dirt road leading to S. end of Goose Lake Comment
  UC1568  Scirpus microcarpus Milo S. Baker 1893-7-10 Modoc Comment
  UCD69396  Scolochloa festucacea D. Marcum 1997-10-14 s.n. Modoc Southern Modoc County, near border of Lassen County, near town of Adin. Not previously reported from California. Known from Klamath Marshes in Oregon. 1300 Comment
  UC1192000  Scrophularia lanceolata Verne Grant and Irving Schneider 1947-7-20 8105 Modoc downstream from Alturas (Norht Fork of Pit river) Comment
  UC72055  Scutellaria nana Milo S. Baker 1893-1 Modoc n side of Egg Lake Comment
  CHSC70723  Sedum lanceolatum S. Stearns 1996-7-3 2231 Modoc N of Bidwell Mtn. just W of Rd. On talus scree bluff, west side of road to Bidwell Mtn. 2286 Comment
  RSA603122  Sedum lanceolatum L. C. Wheeler 1935-8-14 3844 Modoc Pine Creek. Warner Mtns. 1585 Comment
  UC748226  Sedum rosea subsp. integrifolium Annie M. Alexander and Louise Kellogg 1946-7-29 5085 Modoc head Eagle Creek (Warner Mountains, moist stony flat below divide); Warner Mountains, head of Eagle Creek Comment
  CHSC100848  Sedum stenopetalum L. P. Janeway 2008-8-17 9565 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2400 Comment
  JEPS48038  Sedum stenopetalum Mary H. Manning 1907-1 Modoc e side Mt. Bidwell (Twelve-mile Creek); e side Mt. Bidwell, Twelve-mile Creek Comment
  POM204156  Sedum stenopetalum subsp. stenopetalum J. T. Howell 1934-6-11 11980 Modoc Parker Creek, Warner Mts. 1585 Comment
  RSA164402  Sedum stenopetalum subsp. stenopetalum Clare B. Hardham 1961-6-18 7558 Modoc East of Cedar Pass. 1829 Comment
  CAS-BOT-BC50340  Senecio aronicoides Bruce Bartholomew; Barrett Anderson 1989-6-1 4766 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  HSC81124  Senecio aronicoides G. M. Riegel 1980-8-7 1010 Modoc S Warner Mtns. 2100 Comment
  SEINET195471  Senecio canus Annie M. Alexander, Louise Kellog 4784 Modoc On north side of Cedar Pass road 1768 Comment
  CHSC75464  Senecio eurycephalus var. eurycephalus V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9768 Modoc East of Alturas on Hwy. 299 3.2 mi east of its junction with Hwy. 395. Adjacent to highway. 1524 Comment
  UCR34707  Senecio fremontii J. A. Harpel 1981-8-6 V 29 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC1567364  Senecio fremontii var. fremontii G. Schoolcraft 1989-7-16 1952 Modoc Patterson Lake Warner Mts. 2773 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-BC50291  Senecio integerrimus var. exaltatus Mrs. H. C. Cantelow 1940-6-1 Modoc Summit of Cedar Pass, Warner Mtns. 1935 Comment
  CAS-BOT-BC50295  Senecio integerrimus var. exaltatus Clare Butterworth Hardham 1961-6-18 7588 Modoc Cedar Pass. 1828 Comment
  CAS-BOT-BC50297  Senecio integerrimus var. exaltatus Bruce Bartholomew; Barrett Anderson 1988-5-12 4115 Modoc S side of Egg Lake. 1300 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
  CHSC70469  Senecio integerrimus var. exaltatus S. Stearns 1997-5-13 2247 Modoc S. of County Road 81, near small drainage perpendicular to Rd. 1566 Comment
  UC748429  Senecio integerrimus var. exaltatus Annie M. Alexander and Louise Kellogg 1946-6-5 4663 Modoc s of Eagleville (along road); Warner Mountains, Emerson Creek 2133 Comment
  CHSC67087  Senecio integerrimus var. major James D. Jokerst 1987-5-11 2821 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  POM272189  Senecio pauciflorus Mrs. R. M. Austin s.n. Modoc Devil's Garden; Pitt River watershed. Comment
  UCSB17293  Senecio serra Haller, John 1961-6-25 Modoc Eagleville-Likely road, 0.5 mi W of crest of Warner Mountains, about 3 mi E of Patterson Ranger Station 2286 Comment
  JEPS37202  Senecio serra var. serra W. L. Jepson 1918-8-9 7914 Modoc Ft. Bidwell 1432 Comment
  HSC6124  Senecio triangularis M. T. Milligan 1966-7-5 555 Modoc E of Jess Valley 1829 Comment
  JEPS5941  Senecio triangularis Frances D. Payne 1931-6-25 257 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  CAS-BOT-BC225037  Sibbaldia procumbens Annie Montague Alexander; L. Kellogg 1946-6-27 4853 Modoc Highgrade, (top of ridge, 2 mi. by road from Dismal Swamp) N end of Warner Mts. 2377 Comment
  RSA152436  Sidalcea I. L. Wiggins, Dorothy Wiggins 1961-6-13 16469 Modoc Roadside 2.4 mi. S of village of Davis Creek, SE side of Goose Lake. Comment
  CAS-BOT-BC179067  Sidalcea oregana subsp. oregana John Thomas Howell 1934-6-11 11944 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC179076  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-13 8123 Modoc Dear Davis Creek. Comment
  CAS-BOT-BC179080  Sidalcea oregana subsp. oregana Amos Arthur Heller 1938-6-24 15227 Modoc Between Alturas and Canby. 1219 Comment
  CAS-BOT-BC179082  Sidalcea oregana subsp. oregana Annie Montague Alexander; L. Kellogg 1946-6-17 4787 Modoc W side of pass, Cedar Pass road. 1676 Comment
  CHSC112079  Sidalcea oregana subsp. oregana L. P. Janeway; B. Castro 2014-6-2 11308 Modoc Great Basin. Along County Road 1, 1.0 km north of the road to the southwest corner of Cow Head Lake (County Road 5), on the east side of Long Canyon, low in the canyon. 1566 Comment
  JEPS67255  Sidalcea oregana subsp. oregana Frances D. Payne 1931-6-17 165 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  CAS-BOT-BC179095  Sidalcea oregana subsp. oregana Leland S. Smith 1392 Modoc Modoc County. Comment
  RSA448575  Sidalcea oregana subsp. oregana Christopher Davidson 1973-5-26 2150 Modoc 1 mile N. of Adin Summit on St Hwy 299, Modoc National Forest 1524 Comment
  CAS-BOT-BC179056  Sidalcea oregana subsp. spicata Bruce Bartholomew; Barrett Anderson 1990-7-19 5437 Modoc Sweagert Flat. 1860 Comment
  RSA448222  Sidalcea oregana subsp. spicata George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains 1829 Comment
  JEPS51022  Silene douglasii W. L. Jepson 1918-8-7 7892 Modoc Mt. Bidwell 2286 Comment
  RSA610960  Silene douglasii L. C. Wheeler 1935-8-5 3784 Modoc Pine Creek, Warner Mts. 2317 Comment
  CAS-BOT-BC95251  Silene douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-8-9 5128 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC95255  Silene douglasii var. douglasii Bruce Bartholomew 1992-8-9 6386 Modoc Squaw Peak Trail between Patterson Lake and Owl Creek Trail, E side of Warner Mountains. 2440 Comment
  CAS-BOT-BC95257  Silene douglasii var. douglasii Clare Butterworth Hardham 1974-8-6 20178 Modoc Cedar Pass, Warner Mts. 1935 Comment
  NY446785  Silene douglasii var. monantha L. S. Rose 1940-6-13 40552 Modoc Fandango Pass 1905.0 Comment
  NY452817  Silene menziesii B. M. Bartholomew 1990-6-17 5330 Modoc Sand Creek, 9.6 miles east of Cedarville, Surprise Valley. 1390 Comment
  HSC4222  Silene menziesii M. T. Milligan 1964-7-4 216 Modoc Lassen Creek above lower campground 1829 Comment
  HSC80711  Silene oregana G. M. Riegel 1980-8-9 1024 Modoc S Warner Mts. 1670 Comment
  CAS-BOT-BC95046  Sisymbrium altissimum Bruce Bartholomew; Barrett Anderson 1988-6-23 4258 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  JEPS126540  Sisyrinchium bellum Lowell Ahart, John Dittes 2016-6-6 20965 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 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
  JEPS942  Sium suave W. L. Jepson 1918-8-5 7824 Modoc South Fork Pitt River, South Fork Valley South Fork Pitt River; , South Fork Valley 1371 Comment
  UC1537630  Sium suave Gordon H. True Jr. 1939-7-21 1028 Modoc n of Canby (Jack Swamp); Jack Swamp Comment
  UC663494  Sium suave Francis Drouet and Donald Richards 1941-9-11 4177 Modoc Alturas North fork of the Pit River (North fork of the Pit River) 1341 Comment
  SEINET3154297  Smilacina sessilifolia Mrs. M. H. Manning 1903-1 114 Modoc Ft. Bidwell Comment
  UCD126920  Solanum dulcamara Verne Grant; Irving Schneider 1947-7-19 8076 Modoc Williams ranch; along Souhern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. Comment
  NY821272  Solanum physalifolium L. C. Wheeler 1935-9-22 3994 Modoc 3 mi. W of Alturas 1356 Comment
  CAS-BOT-BC245430  Solanum physalifolium var. nitidibaccatum John Thomas Howell 1934-7-2 12365 Modoc W side of Clear Lake. Comment
  CAS-BOT-BC245432  Solanum physalifolium var. nitidibaccatum Francis Dorris Payne 1932-7-18 712 Modoc Parker Creek. 1584 Comment
  RSA0020576  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1935-8-6 3798 Modoc Mouth Pine Creek, Warner Mountains. 1509 Comment
  UC570688  Solanum triflorum F. H. Frost 1925-7-20 92 Modoc 2 mi above Cedarville (Cedar Camp); Warner Mountains, Cedar Camp Comment
  UC26262  Solanum umbelliferum M. S. Baker and Frank Nutting 1894-6-8 Modoc Little Hot Spring Valley Comment
  CHSC70719  Solidago elongata A. Sanger 1997-7-9 2641 Modoc Willow Creek at junction toward Tri-tip Meadow. 1499 Comment
  UC46334  Sorbus scopulina var. cascadensis Frances D. Payne 1929-7-7 52 Modoc 2 mi sw Mt. Warren (Pine Creek Basin); Warner Mountains 2133 Comment
  RSA210797  Sparganium angustifolium subsp. emersum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39096 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  POM332462  Sparganium angustifolium subsp. emersum J. P. Smith, J. O. Sawyer 1973-8-9 7269 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  SEINET7944803 Image available Sparganium emersum V. Grant, I. Schneider 1947-7-18 8057 Modoc S loop of E-side road in Pit River Valley S of Alturas Comment
  UC1099795  Sparganium erectum subsp. stoloniferum Verne Grant and Irving Schneider 1947-7-21 8113 Modoc Alturas South Fork of Pit River (South Fork of Pit River, 0.25 mi upstream from confluence with North Fork Pit River) Comment
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Sep 25 2008
  POM312968  Sparganium eurycarpum Verne Grant, H. L. Mason 1947-7-11 13361 Modoc Irrigation ditch on Highway 395, 5 miles south of Alturas. Comment
  CAS-BOT-BC95285  Spergularia rubra Bruce Bartholomew; Barrett Anderson 1988-6-24 4339 Modoc Cave Lake, W side of the Warner Mts.. 2130 Comment
  SJSU9648  Sphaeromeria potentilloides W. Savage 1979-7-10 1519 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC225041  Spiraea douglasii Leland S. Smith 1420 Modoc Modoc County. Comment
  JEPS45016  Spiraea douglasii Milo S. Baker 1893-7-12 Modoc Forestdale Comment
  CDA39504  Spiranthes porrifolia G. D. Barbe, John Kelley 1988-7-2 4302 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  UC4844  Spiranthes porrifolia Milo S. Baker 1893-8-13 Modoc Comment
  CHSC85428  Spiranthes romanzoffiana John Dittes; Josephine Guardino 1991-8-23 452 Modoc Modoc Plateau; Warner Mountains; southwest edge of Dismal Swamp; ca. 7.4 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.7 air-miles south of Oregon border, ca. 3.3 air-mile northwest of summit of Bidwell Mtn. Meadow. 2209 Comment
  CHSC112434  Spirodela polyrhiza Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18758 Modoc On the north side of levee, about 100 yards north of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  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
  CAS-BOT-BC179210  Stachys pilosa B. Bartholomew 1995-8-1 7172 Modoc County road 13, ca. 3 km NW of Lake City. 1390 Comment
  CAS-BOT-BC179212  Stachys pilosa Annie Montague Alexander; L. Kellogg 1946-7-12 4984 Modoc Twelve Mile Creek, NE corner of county. Comment
  JEPS51096  Stellaria calycantha Frances D. Payne 1935-7-19 786 Modoc s and e of Alturas (Mouth of Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Mouth of Dry Creek Comment
  CAS-BOT-BC95287  Stellaria longipes Bruce Bartholomew 1992-5-16 6324 Modoc Lunsford Spring. 1600 Comment
  UC8677  Stellaria longipes var. longipes Milo S. Baker 1893-6-28 Modoc Comment
  NY453094  Stellaria umbellata L. C. Wheeler 1935-8-1 3729 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Mountains 2225.0 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
  JEPS31317  Stenotus acaulis Mrs. R. M. Austin and Bruce 1898-6-18 2135 Modoc Lake City, Mt. 2133 Comment
  UC71687  Stenotus acaulis Mrs. M. H. Manning 1904-8-17 357 Modoc Mt. Bidwell Comment
  UC830493  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles northeast of Alturas. 1615 Comment
  SEINET10674650  Stenotus acaulis Charles L. Hitchcock 1940-5-27 Hitchcock 6668 Modoc 15 miles northeast of Alturas. On sagebrush knoll. 5300 ft. 1615 Comment
  CAS-BOT-BC54272  Stephanomeria tenuifolia Annie Montague Alexander; L. Kellogg 1946-7-5 4908 Modoc Lava Cliff west Lower Lake. Comment
  UC748195  Stephanomeria tenuifolia Annie M. Alexander and Louise Kellogg 1946-7-5 4908 Modoc Lava Cliff, w Lower Lake Lower Lake Comment
  CHSC109448  Stipa thurberiana L. P. Janeway; B. Castro 2012-7-28 11038 Modoc Warner Mountains. At Obsidian Needles Obsidian Collecting Area; along Road 45N34 overlooking North Fork Davis Creek about 6.0 air km east-northeast of the community of Davis Creek (on Hwy 395). 1905 Comment
  NY188818  Streptanthella longirostris R. C. Barneby 1982-5-27 17845 Modoc 3 miles E of Eagleville. Comment
  JEPS27101  Streptanthus cordatus L. S. Smith 1918-6-22 965 Modoc Lily Lake Modoc <National> Forest, Pine Creek 1981 Comment
  POM260726  Streptanthus cordatus Alice Eastwood, J. T. Howell 1940-6-13 8138 Modoc West side of Fandango Pass. Comment
  CAS-BOT-BC95063  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-22 4815 Modoc Bidwell Creek, 2 mi. above Fort Bidwell. Comment
  UC429277  Streptopus amplexifolius var. americanus Franklin P. Nutting 1894-8-15 Modoc Taylor Creek Comment
  CAS-BOT-BC95573  Suaeda calceoliformis Louis Cutter Wheeler 1935-9-4 3942 Modoc McGinty Point, Goose Lake. 1463 Comment
  RSA624459  Suaeda calceoliformis L. C. Wheeler 1935-9-4 3942 Modoc Goose Lake: McGinty Point. 1463 Comment
  CAS-BOT-BC180103  Swertia albicaulis var. albicaulis Bruce Bartholomew 1993-6-14 6658 Modoc 5.5 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1440 Comment
  JEPS46349  Swertia radiata F. Payne 1929-7-12 98 Modoc Lost Lake Ridge Warner Mts. Comment
  JEPS12667  Symphoricarpos rotundifolius var. rotundifolius W. L. Jepson 1918-8-7 7858 Modoc Mt. Bidwell 1981 Comment
  UC71844  Symphyotrichum ascendens Mrs. M. H. Manning Sep 1 1902-Oct 1 1902 18 Modoc Ft. Bidwell Comment
  UC1192166  Symphyotrichum bracteolatum Verne Grant and Irving Schneider 1947-8-28 8332 Modoc nw of, at Jack Swamp Alturas 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
  CAS-BOT-BC99011  Symphyotrichum eatonii L. S. Smith 1922-8-8 1333 Modoc Along stream 1524 Comment
  UC748363  Symphyotrichum foliaceum Annie M. Alexander and Louise Kellogg 1946-8-9 5145 Modoc Patterson Lake Trail Warner Mountains Comment
  CAS-BOT-BC15223  Symphyotrichum foliaceum var. parryi Annie Montague Alexander; L. Kellogg 1946-8-9 5145 Modoc Patterson Lake Trail, Warner Mountains Comment
  CAS-BOT-BC15159  Symphyotrichum frondosum Herbert Louis Mason 1947-8-9 13479 Modoc East side of Fairchild Swamp, N of Alturas. Comment
  UC71762  Symphyotrichum frondosum Mrs. M. H. Manning 1902-9-1 17 Modoc Comment
  HSC80743  Synthyris missurica G. M. Riegel 1979-9-1 735 Modoc 1829 Comment
  HSC6262  Taraxacum officinale M. T. Milligan 1966-7-3 531 Modoc E of Jess Valley 1982 Comment
  JEPS31731  Taraxia tanacetifolia L. S. Smith 1918-5-16 926 Modoc w of Alturas (Centerville Road); Modoc Forest 1524 Comment
  UC619273  Taraxia tanacetifolia J. and H. W. Grinnell 1938-6-16 1115 Modoc flat land near Cow Head Lake Comment
  CAS-BOT-BC54241  Tetradymia glabrata Bruce Bartholomew 1991-6-22 5847 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  NY496093  Thalictrum fendleri C. L. Hitchcock 1940-5-27 6704 -a Modoc Along stream; 15 miles northeast of Alturas 1615.4 Comment
  UC10958  Thelypodium howellii M. S. Baker and Frank Nutting 1893-7-6 Modoc Comment
  CHSC85174  Thelypodium howellii subsp. howellii John Dittes; Josephine Guardino 1991-7-21 384 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  SEINET247878  Thelypodium howellii subsp. howellii Noel H. Holmgren, Patricia K. Holmgren 1998-5-30 12996 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) east of downtown Cedarville, at a turnoff to some hotsprings. 1370 Comment
  CAS-BOT-BC181796  Thermopsis californica var. argentata Bruce Bartholomew; Mona Bourell 1990-4-26 5160 Modoc 1.1 km NW of Day. 1080 Comment
  JEPS114433  Thermopsis californica var. argentata Lowell Ahart, John Dittes 2008-8-26 15333 Modoc On the sides of an unnamed road, 200 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC54245  Townsendia scapigera Lemmon 1879-5-1 s.n. Modoc Modoc County. Comment
  CHSC67140  Toxicoscordion venenosum var. venenosum James D. Jokerst 1987-5-11 2828 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  CAS-BOT-BC54247  Tragopogon dubius Bruce Bartholomew 1990-6-17 5300 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC245223  Tribulus terrestris Bruce Bartholomew 1989-8-10 5037 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CHSC106336  Tribulus terrestris Lowell Ahart; John Dittes 2010-8-30 17081 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  RSA503246  Trifolium cyathiferum Bruce Bartholomew, B. Anderson 1988-7-22 4517 Modoc SE side of Sunflower Know, southern end of the Warner Mtns. 2160 Comment
  UCD143680  Trifolium cyathiferum Beecher Crampton; Carl W. Rimbey 1954-7-6 2094 Modoc Warner Mountains; 20 miles east of Alturas. At edge of Shields Creek. Comment
  UCD107921  Trifolium eriocephalum var. harneyense Collector Unknown 1949-6-1 s.n. Modoc Near Eagleville. Comment
  CAS-BOT-BC181775  Trifolium gymnocarpon var. plummerae Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6471 Modoc 1.6 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1600 Comment
  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-BC181748  Trifolium longipes E. S. Willits 1940-5-17 263 Modoc Willow Ranch. Comment
  CAS-BOT-BC181749  Trifolium longipes Bruce Bartholomew 1991-7-4 5901 Modoc Roney Flat. 1460 Comment
  SBBG3830  Trifolium longipes H. and M. Dearing 1939-6-9 3614 Modoc above Cedarville 2133 Comment
  POM349460  Trifolium longipes subsp. atrorubens Robert Gustafson 1985-6-13 3163 Modoc Jct of Hwy 49 and Forest Service road 12, Yuba Pass summit. 2043 Comment
  JEPS33186  Trifolium longipes subsp. multipedunculatum Frances D. Payne 1931-6-29 290 Modoc Warner Mountains. Head of Cottonwood Creek. East slope of Mt. Warren. 2286 Comment
  JEPS33196  Trifolium longipes var. hansenii L. S. Smith 1917-1 792 Modoc Jess Valley Warner Mtns Comment
  CHSC54183  Trifolium macrocephalum Vernon H. Oswald 1991-5-28 4631 Modoc North side of aprking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north northeast of Bieber. 1264 Comment
  SJSU7631  Trifolium macrocephalum H. L. Buckalew 1961-6-23 Modoc near Stowe Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts Comment
  UCR87512  Trifolium macrocephalum George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC181726  Trifolium macrocephalum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16476 Modoc N of Davis Creek at junction of Sugar Hill Lookout road and one to Ft. Bidwell. Comment
  JEPS50701  Trifolium macrocephalum Wayne Roderick 1963-6-9 Modoc In the Warner Mountains, north of campground on east side of Cedar Pass. About 1 mi (by bad road) up to collection site. Comment
  UC16615  Trifolium macrocephalum Mrs. R. M. Austin and Bruce May 1898 2291 Modoc Goose Lake Comment
  HSC65607  Trifolium pratense Thomas Wood 1979-8-9 243 Modoc Dirt road along Bidwell Creek, 2.9 mi. NW of junction with Co. Hwy. 2, N of Ft. Bidwell 1509 Comment
  JEPS124385  Trifolium pratense Lowell Ahart, John Dittes 2015-7-16 20365 -B Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS66037  Trifolium pratense W. L. Jepson 1918-8-9 7910 Modoc near Ft. Bidwell 1432 Comment
  CAS-BOT-BC181755  Trifolium productum Elmer Ivan Applegate 1932-8-5 8173 Modoc Cedar Mountain, Warner Mts. Comment
  CAS-BOT-BC181761  Trifolium productum Elmer Ivan Applegate 1932-8-1 8022 Modoc High summit of Warner Mts. just S of Warren Peak. Comment
  UC16738  Trifolium willdenovii Milo S. Baker 1894-5-23 Modoc Cow Creek Mountains Comment
  HSC65606  Trifolium wormskioldii Thomas Wood 1979-8-9 242 Modoc Dirt road along Bidwell Creek, 2.9 mi. NW of junction with Co. Hwy. 2, N of Ft. Bidwell 1509 Comment
  UCD38345  Trifolium wormskioldii Beecher Crampton; with Carl Rimbey 1954-7-8 2169 Modoc Warner mountains, 15 miles east of Likely. Floor of Jess Valley. Comment
  UC1099957  Triglochin maritima Herbert L. Mason, Verne Grant 1947-7-12 13438 Modoc n Likely (Corporation Ranch Headquarters); , n of Likely Comment
  HSC65263  Trisetum spicatum J. P. Smith, J. O. Sawyer 1973-8-8 7223 Modoc Near summit of Eagle Peak 2988 Comment
  SEINET5424184  Trisetum spicatum D. Charlet 1989-8-17 554 Modoc Warner Mountains, 1.3 km northwest of Eagle Peak 2550 Comment
  RSA602587  Trisetum wolfii L. C. Wheeler 1935-8-16 3876 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  UC1133919  Triteleia hyacinthina R. C. Wilson 1933-6-27 55 Modoc Tom's Creek Canby Quad., Tom's Creek Comment
  HSC13438  Triticum aestivum M. T. Milligan 1964-7-20 161 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  CAS-BOT-BC242194  Tulipa gesneriana Bruce Bartholomew 1994-5-15 6698 Modoc Adjacent to Davis Creek Cemetery. 1500 Comment
  CAS-BOT-BC58295  Turritis glabra Bruce Bartholomew; Barrett Anderson 1990-7-20 5466 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-BC58558  Turritis glabra Roxana Stinchfield Ferris; R. Duthie 1919-6-14 102 Modoc Above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC58564  Turritis glabra Bruce Bartholomew 1989-7-14 4947 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  CAS-BOT-BC242293  Typha latifolia Bruce Bartholomew 1989-8-10 5035 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC242298  Typha latifolia Bruce Bartholomew; Barrett Anderson 1990-6-17 5289 A Modoc Surprise Valley, SW end of Lower Alkaline Lake, 3.2 km N of Lassen County border. 1370 Comment
  UC1241778  Typha latifolia Verne Grant and Irving Schneider 1947-7-20 8101 Modoc North Fork of Pitt River by Dorris Bridge near Alturas; North Fork of Pitt River Comment
  UCD121830  Utricularia intermedia Barry Rice 2007-5-28 BR 070504 Modoc Western edge of Egg Lake. 1295 Comment
  RSA523577  Utricularia vulgaris subsp. macrorhiza W. L. Jepson 1918-8-11 7935 Modoc Alturas. Comment
  UC1076252  Vaccaria hispanica F. H. Frost 142 Modoc Jess Valley , Jess Valley (Warner Mts.) Comment
  RSA647825  Vaccinium cespitosum Marion P. Harthill 1972-9-7 s.n. Modoc Dismal Swamp Area, Modoc National Forest. 2287 Comment
  CAS-BOT-BC245385  Valeriana californica K. Paulson; Robert Paulson 1990-7-2 209 Modoc Cave Lake, W side of Warner Mts. 1987 Comment
  CHSC109452  Valeriana californica B. Castro; L. P. Janeway 2012-7-24 1946 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bid