Search Results — 2000 specimen records retrieved (1515 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
  CAS-BOT-BC15627  Achillea millefolium Bruce Bartholomew; Barrett Anderson 1990-7-19 5434 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC15672  Achillea millefolium Bruce Bartholomew 1989-8-11 5098 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  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
  UC1025068  Achnatherum Leo Whitney 1935-7-25 3548 Modoc near Lava Ranger Station (7 mi ne of Whitehorse) Comment
  UCD51458  Achnatherum X bloomeri B. L. Kay 1957-6-1 s.n. Modoc 2 miles northeast Likeley. Comment
  UCD50343  Achnatherum hymenoides Beecher Crampton; with Carl Rimbey 1954-7-7 2151 Modoc 7 miles east of Cedarville. Comment
  SEINET191855 Image available Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi N of Alturas (near Surprise) 1402 Comment
  UCD50712  Achnatherum lemmonii L. Whitney 1935-5-15 s.n. Modoc Near Alturas. Comment
  UC1024791  Achnatherum occidentale subsp. californicum Leo Whitney 1935-6-9 3210 b Modoc White Horse Comment
  UC1037190  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-23 3554 Modoc 15 mi w Canby (Happy Camp); Modoc National Forest 1463 Comment
  UCD23584  Achnatherum occidentale subsp. pubescens L. Whitney 1935-6-9 3206 Modoc White Horse. Comment
  UCD32696  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2112 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UC1024924  Achnatherum thurberianum Leo Whitney 1935-6-30 3354 Modoc open flat near Hackamore (ca. 15 mi nw of Canby); Modoc National Forest 1463 Comment
  UCD51428  Achnatherum thurberianum Beecher Crampton; Carl Rimbey 1954-7-7 2146 Modoc East side of Cedar Pass, Warner Mountains, 3 miles west of Cedarville. Comment
  HSC98299  Acmispon wrangelianus M. T. Milligan 1964-6-6 6 Modoc N side of Dorris Reservoir along shore 1372 Comment
  CAS-BOT-BC218305  Aconitum columbianum Leland S. Smith 1922-7-20 1311 Modoc Rush Creek Ranger Station. 1905 Comment
  CAS-BOT-BC218328  Adonis aestivalis K. Paulson; Robert Paulson 1988-6-10 22 Modoc SW of Dorris Reservoir. 1341 Comment
  UCD95445  Adonis aestivalis L. K. Mann; Patricia Mann 1963-6-19 s.n. Modoc 1-2 miles southwest of Canby, U.S. Highway 299. Comment
  CHSC12955  Agastache urticifolia K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5836 Modoc At foot of small cliff above roadside bank on e side of Hwy. 395, ca. 4 mi n of Alturas. 1371 Comment
  JEPS77517  Agastache urticifolia L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4884 Modoc Cedar Pass , Cedar Pass (Warner Mts.) 1920 Comment
  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
  HSC14192  Agastache urticifolia M. T. Milligan 1965-6-27 369 Modoc E slope of eroded volcanic plateau. 1677 Comment
  HSC81110  Ageratina occidentalis G. M. Riegel 1979-7-30 620 Modoc S Warner Mtns. 640 Comment
  RSA531340  Ageratina occidentalis Bruce Bartholomew 1989-8-12 5108 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains 2040 Comment
  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
  HSC81033  Agoseris aurantiaca G. M. Riegel 1980-7-7 824 Modoc South Warner Mountains 2100 Comment
  CAS-BOT-BC126785  Agoseris parviflora C. L. Hitchcock 1940-5-27 6707 Modoc 15 mi. northeast of Alturas 1676 Comment
  RSA27436  Agoseris parviflora C. L. Hitchcock 1940-5-27 6707 Modoc 15 miles NE of Alturas. 1677 Comment
  POM203849  Agoseris parviflora J. T. Howell 1934-6-14 12115 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  UC1037168  Agrostis alba Leo Whitney 1935-7-17 3512 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  CAS-BOT-BC242377  Agrostis capillaris Bruce Bartholomew; Barrett Anderson 1988-7-21 4431 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  UC1025052  Agrostis exarata Leo Whitney 1935-7-24 3590 Modoc ca 15 mi nw Canby (Lake Joaquinna, Hackamore); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCD52379  Agrostis exarata L. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  UC375457  Agrostis scabra Franklin P. Nutting 1894-8-25 Modoc Forestdale Comment
  CAS-BOT-BC242420  Agrostis stolonifera Bruce Bartholomew 1992-8-7 6359 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  UCD53488  Agrostis stolonifera Hursh 1919-10-30 X 3319 Modoc Alturas. Comment
  UCD53615  Agrostis stolonifera August L. Hormay 1932-7-15 s.n. Modoc Pease Cabin, Modoc National Forest. Comment
  UCD137905  Alisma gramineum Herbert L. Mason 1955-8-13 14651 A Modoc southwest side of Goose Lake. Comment
  UCR143477  Alisma gramineum L. C. Wheeler 1935-8-18 3890 Modoc Great Basin Province; Modoc Plateau, 2 miles northeast of Alturas 1357 Comment
  UC71709  Alisma plantago-aquatica Mrs. M. H. Manning 1903-8-26 319 Modoc ne Modoc County Sessions Swamp Comment
  RSA210808  Alisma triviale Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39088 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC245021  Allium acuminatum John Thomas Howell 1934-6-11 11956 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC245022  Allium acuminatum Bruce Bartholomew; Barrett Anderson 1988-6-25 4397 Modoc Ryan Canyon, N of Adin. 1390 Comment
  HSC26582  Allium acuminatum D. H. Norris, Thomas W. Nelson, S. Dwoty 1971-6-23 19384 Modoc Along Hager Basin Rd. near Big Sage Reservoir Comment
  RSA123173  Allium acuminatum R. C. Wilson 1933-6-25 53 Modoc Rush Creek. 1448 Comment
  UC1299633  Allium acuminatum Freed W. Hoffman 1955-7-13 4105 Modoc 1 mi e Cedar Pass Campground (rocky ridge on n side of road, Highway 8A now rt. 299); Modoc National Forest 1737 Comment
  UCD141842  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. Comment
  HSC25435  Allium campanulatum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19478 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  RSA540060  Allium lemmonii Bruce Bartholomew 1990-6-16 5279 Modoc Bear Flat, west side of Warner Mountains. 1830 Comment
  JEPS2720 Image available Allium parvum E. H. Steffen 1917-6-10 43 Modoc Jess Valley Warner Mts.; Jess Valley, Modoc Co. 1524 Comment
  CAS-BOT-BC244973  Allium platycaule E. H. Steffen 1917-7-10 74 Modoc Bowman Ranch. 1828 Comment
  CHSC63942  Allium platycaule Marion Ownbey; Fred G. Meyer 1940-7-1 2145 Modoc Cedar Peak, Warner Mts. Comment
  POM204114  Allium platycaule J. T. Howell 1934-6-11 11920 Modoc Parker Creek, Warner Mts. 1585 Comment
  UC1133832  Allium platycaule R. C. Wilson 1933-5-30 33 Modoc Rush Creek Camp Modoc National Forest, Canby Quadrangle, Rush Creek Camp Comment
  SEINET12048087  Allium platycaule Unknown 1945-1 48 Modoc grown at Pullman, WA, Cedar Peak, Warner Mts Comment
  UC1094749  Allium platycaule Francia Chisaki 1956-5-29 865 Modoc 9.8 mi w Cedarville; Modoc National Forest Comment
  UCD141484  Allium platycaule M. Mann, L. K. Mann 1955-6-5 10 Modoc California. Modoc County: Near Cedarville Pass. Highway from Alturas to Cedarville over Cedar Pass. Three mi toward Alturas from edge of Modoc National Forest. Comment
  RSA540078  Allium tolmiei Bruce Bartholomew, B. Anderson 1989-6-3 4894 Modoc ca. 5 km east of the SE corner of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC244950  Allium tolmiei var. tolmiei Bruce Bartholomew; Barrett Anderson 1988-5-14 4210 Modoc SW corner of Big Sage Reservoir. 1500 Comment
  CAS-BOT-BC244959  Allium tolmiei var. tolmiei Bruce Bartholomew; Barrett Anderson 1988-5-13 4146 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
  JEPS127595  Allium tolmiei var. tolmiei L. P. Janeway 2016-5-16 11971 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. McGinty Reservoir 7.5' Quad. Comment
  CHSC109735  Allium validum B. Castro; L. P. Janeway 2012-7-27 1974 Modoc Warner Mountains. North-sloping meadow opening just above Mineral Spring, 0.,3 air mi east of Yellow Mountain. Meadow surrounded by tall lodgepole pine forest; on E side of road. 2350 Comment
  JEPS73947  Alopecurus aequalis Frances D. Payne 1932-7-18 698 Modoc s. & e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UC1100228  Alopecurus aequalis Herbert L. Mason 1947-8-13 13520 Modoc n. of Canby (n.e. side of F reservoir) Comment
  CHSC109639  Alopecurus aequalis var. aequalis Lowell Ahart; John Dittes 2012-7-10 18308 Modoc Along a deep drainage, northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC242333  Alopecurus saccatus John H. Hatton 1911-6-22 137 Modoc unspecified - Modoc National Forest Comment
  HSC42319  Alyssum alyssoides S. Saufferer 1973-5-5 131 Modoc About 7 1/2 mi. S of Pine Creek along Hwy. 395 Comment
  NY718435  Alyssum parviflorum var. micranthum N. H. Holmgren 1998-5-30 12993 Modoc Surprise Valley, Fort Bidwell-Cedarville road, 1.8 km (1.1 mi) south of the Fandango Pass road and 31.2 km (19.4 mi) north of downtown Cedarville 1370 Comment
  CAS-BOT-BC58604  Alyssum simplex James Vale 1981-5-21 Modoc Alturas. Comment
  RSA768065  Amaranthus californicus L. Ahart, John Dittes 2010-8-31 17106 Modoc 10 yrds west of Elkins Lane, about 150 yrds north of bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley 1275 Comment
  RSA210861  Amaranthus powellii R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39026 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  SEINET4089909  Amelanchier pallida C. Davidson 1975-1 2588 Modoc Highway 395, north of Alturas; East of Goose Lake about 1 mile south of Willow Ranch. 1341 Comment
  SEINET6195186  Amelanchier pallida M. J. Williams 1984-6-29 84- 72 -1 Modoc Cave Lake, west side of the Warner Mountains. 2134 Comment
  RSA164429  Amelanchier pumila Clare B. Hardham 1961-6-20 7887 Modoc Top of Bidwell Road, Road to Dismal Creek. 2439 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
  UC466776  Amelanchier utahensis Franklin P. Nutting Modoc Forestdale Comment
  CAS-BOT-BC54152  Amsinckia menziesii John Thomas Howell 1934-6-12 12039 Modoc 10 mi. S of New Pine Creek. Comment
  CAS-BOT-BC54155  Amsinckia menziesii Bruce Bartholomew 1992-5-16 6319 Modoc Arnett Spring, N of Bayley Reservoir. 1510 Comment
  CAS-BOT-BC54196  Amsinckia menziesii John Thomas Howell 1934-6-12 11995 Modoc 6 mi. S of Davis Creek. Comment
  CAS-BOT-BC54198  Amsinckia menziesii John Thomas Howell 1934-6-16 12211 Modoc Parker Creek, Warner Mountains 1584 Comment
  CHSC117050  Amsinckia menziesii Lowell Ahart; John Dittes 2016-6-6 20942 Modoc About 20 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  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
  CAS-BOT-BC54165  Amsinckia tessellata var. tessellata Alice Eastwood; John Thomas Howell 1940-6-14 8203 Modoc Near Kelly Hot Spring. Comment
  CAS-BOT-BC54172  Amsinckia tessellata var. tessellata Isabelo T. Kelly 1930-1-1 63 Modoc unspecified Comment
  JEPS30617  Ancistrocarphus filagineus Peter H. Raven with Otto T. Solbrig 1958-6-18 13320 Modoc 8.8 mi s, along dirt road Happy Camp Guard Station; Modoc National Forest Comment
  SEINET2040119  Antennaria argentea Annie M. Alexander, Kellogg, Louise 1946-6-17 4785 Modoc Cedar Pass road. 1770 Comment
  RSA128287  Antennaria argentea Peter H. Raven, Otto T. Solbrigo 1958-6-18 13310 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  SEINET6735045 Image available Antennaria argentea M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  UC75820  Antennaria dimorpha Milo S. Baker Modoc near, (at Pine Woods) Egg Lake; Pine Woods Comment
  JEPS89479  Antennaria flagellaris Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12525 Modoc 0.5 mi. e. Duncan Reservoir (hillside on western rim of Black Canyon); Modoc Plateau, Washington Mt. 7 1/2 Quad., Black Canyon 1524 Comment
  CAS-BOT-BC15597  Antennaria luzuloides E. S. Willits 1940-5-6 229 Modoc Davis Creek. Comment
  RSA518794  Antennaria luzuloides Barbara Ertter 1988-6-18 7625 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Nat'l Monument E of Tonesta. 1311 Comment
  RSA26467  Antennaria luzuloides subsp. aberrans Alice Eastwood, J. T. Howell 1940-6-11 8010 Modoc 6 miles NE of Adin on road to Canby. Comment
  CHSC66987  Antennaria luzuloides subsp. luzuloides James D. Jokerst 1987-5-11 2822 Modoc Radar Survey site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  HSC81144  Antennaria rosea subsp. rosea G. M. Riegel 1980-7-29 960 Modoc S Warner Mtns. 1829 Comment
  CHSC100357  Anthemis cotula Lowell Ahart; John Dittes 2008-8-26 15356 Modoc Southeast side of Rose Creek, 700 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2710 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CHSC39012  Apera interrupta J. D. Jokerst 1983-7-20 1863 Modoc NW of town of Lookout, W of County road 93 at a point 0.2 mi S. of the roads fork to Whitehorse Flat. Comment
  CAS-BOT-BC15690  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-7-17 4997 Modoc Cedar Pass. Comment
  HSC3212  Apocynum androsaemifolium M. T. Milligan 1965-6-30 382 Modoc E of Jess Valley 1677 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
  RSA520458  Apocynum androsaemifolium K. Paulson, R. Paulson 1989-7-2 167 Modoc N side of Pit River ca. 3 mi. E of County Rte. 91. 1579 Comment
  CAS-BOT-BC15696  Apocynum cannabinum Bruce Bartholomew 1994-7-1 6767 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  UC1191811  Apocynum cannabinum Verne Grant and Irving Schneider 1947-7-21 8120 Modoc N. Fork Pit R. by bridge on Hwy. 395 n. of Alturas; N. Fork Pit R. Comment
  CAS-BOT-BC248353  Aquilegia formosa B. Bartholomew; H. Sun 2002-6-24 8836 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  NY485761  Aquilegia formosa M. S. Baker 1893-6-29 s.n. Modoc Comment
  UC1586876  Arabis Juha Pykala and D. H. Norris 1987-5-27 1044 Modoc between Lower and Upper Rush Creek Campgrounds; Modoc National Forest 1493 Comment
  HSC81078  Arabis drummondii G. M. Riegel 1980-8-11 1026 Modoc S Warner Mtns. 2100 Comment
  CHSC30497  Arabis eschscholtziana N. E. H. Prouty 1980-5-25 166 Modoc Along stream from hot spring. Comment
  NY112499  Arabis holboellii var. pinetorum B. M. Bartholomew 1988-5-13 4178 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of Warner Mtns. 1450 Comment
  HSC26497  Arabis puberula J. P. Smith, J. O. Sawyer 1972-5-6 5267 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  NY114823  Arabis puberula G. Schoolcraft 1981-5-12 388 Modoc South of Alturas near Jones Lane 1402.1 Comment
  NY639749  Arabis puberula M. J. Williams 1988-5-30 8826- 4 Modoc Jess Valley, east of Likely, south of roadside rest 1524.0 Comment
  JEPS53115  Arabis puberula Mrs. C. C. Bruce Jun 1898 2247 Modoc Goose Lake hills Goose Lake Comment
  RSA488026  Arctostaphylos patula Bruce Bartholomew, B. Anderson, Bartholomew 1988-5-12 4093 Modoc 4 km NW of White Horse. 1350 Comment
  SD108262  Arctostaphylos patula subsp. platyphylla Walter Knight, Irja Knight 1981-5-25 4110 Modoc On White Horse Road enroute to Egg Lake from Lookout 1250 Comment
  POM260875  Arenaria aculeata Alice Eastwood, J. T. Howell 1940-6-12 8106 Modoc West side of Cedar Pass. Comment
  SEINET3918773  Aristida adscensionis Leo Whitney 1935-8-19 3627 Modoc Rs-1, U.S.B.E.; 0 Comment
  UCD56433  Aristida oligantha L. Whitney 1935-8-19 3627 Modoc RS-1, U.S.B.E. Comment
  HSC4702  Arnica chamissonis M. T. Milligan 1966-7-3 543 Modoc E of Jess Valley 1982 Comment
  SJSU9673  Arnica chamissonis W. Savage 1979-7-10 1521 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  UC711923  Arnica chamissonis Roxana S. Ferris and Laura Lorraine 1941-8-13 10570 Modoc 1 mi e Patterson Ranger Station; Warner Mountains, Modoc National Forest Comment
  CAS-BOT-BC15413  Arnica cordifolia Bruce Bartholomew 1990-6-15 5232 Modoc Flat between Deer Spring Ridge and Sweagert Flat. 1900 Comment
  RSA164310A  Arnica cordifolia Clare B. Hardham 1961-6-18 7587 Modoc Cedar Pass. 1829 Comment
  UC29602  Arnica cordifolia Milo S. Baker 1893-6 Modoc Comment
  UC71690  Arnica discoidea John Henry Hill 1903-9-2 370 Modoc north eastern Modoc County Comment
  UC936271  Arnica fulgens Annie M. Alexander and Louise Kellogg 1946-6-14 4748 Modoc 1/4 mi on branch to Silver Creek Patterson Mill Road; Silver Creek 1828 Comment
  CAS-BOT-BC15279  Arnica longifolia Amos Arthur Heller 1941-6-26 16226 Modoc Adin Pass. 1577 Comment
  CAS-BOT-BC15281  Arnica longifolia John Thomas Howell 1934-6-11 11972 Modoc Parker Creek. 1584 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-BC15293  Arnica mollis Bruce Bartholomew 1990-8-5 5677 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  CHSC100846  Arnica mollis L. P. Janeway 2008-8-17 9567 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. On steep slope at base of cliff. 2400 Comment
  CAS-BOT-BC82765  Arnica mollis Frances Payne 1929-7-12 99 Modoc Upper Silver Creek, Warner Mts. 2499 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
  HSC41114  Artemisia arbuscula subsp. arbuscula Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3261 Modoc Modoc National Forest; along Hwy. 299 just N west of Adin Pass 1524 Comment
  SEINET195633  Artemisia ludoviciana Annie M. Alexander, Louise Kellogg 1946-7-6 4912 Modoc 3.5 miles east of Eagleville Comment
  CDA10171  Artemisia ludoviciana T. C. Fuller 1959-7-8 4729 Modoc Highway 299 at Cloverswale Creek Bridge, 13.5 miles west of Alturas. 0 Comment
  CAS-BOT-BC15259  Artemisia ludoviciana subsp. incompta Bruce Bartholomew 1991-8-6 6084 Modoc N side of N Emerson Lake, E side of Warner Mts. 2370 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
  RSA77971  Artemisia ludoviciana subsp. incompta Verne Grant, Alva Grant 1947-7-8 8005 Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC15269  Artemisia ludoviciana subsp. ludoviciana Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10566 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  CHSC100007  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; John Dittes 2008-8-25 15278 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  JEPS89418  Artemisia ludoviciana subsp. ludoviciana Dean W. Taylor 1987-8-9 9277 Modoc Northeastern California, SE1/4 Section 19 Northeastern California; , SE1/4 Section 19 1371 Comment
  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
  UC217079  Artemisia nova H. M. Hall 1921-9-10 11672 Modoc 24 mi s Alturas Comment
Read comments
Jul 23 2013
  CAS-BOT-BC15204  Artemisia tridentata subsp. tridentata Frances Payne 1934-8-29 s.n. Modoc Parker Creek 1584 Comment
  CAS-BOT-BC15655  Asclepias cordifolia E. S. Willits 1940-6-9 330 Modoc Fandango Pass. Comment
  CAS-BOT-BC15698  Asclepias cordifolia Elmer Ivan Applegate 1897-5-31 850 Modoc 15 mi. SE of Dry Lake on road to Alturas. Comment
  CHSC19724  Asclepias cordifolia J. Grove; S. Grove 1973-6-8 101 Modoc Gooch Mill Site, Dayla. 1005 Comment
  CAS-BOT-BC15652  Asclepias cordifolia Leland S. Smith 1398 Modoc Modoc County. Comment
  CAS-BOT-BC15662  Asclepias fascicularis Bruce Bartholomew 1989-8-10 5042 Modoc Little Hot Spring Valley, 3.9 km NW of Day. 1070 Comment
  SEINET195716  Asclepias fascicularis Annie M. Alexander, Louise Kellogg 1946-7-7 4922 Modoc Lake Annie. Comment
  CAS-BOT-BC15665  Asclepias speciosa Bruce Bartholomew 1994-7-4 6847 Modoc Hubert Creek. 1390 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
  CAS-BOT-BC54175  Asperugo procumbens J. C. Hays 1947-5-26 Modoc Near Fort Bidwell. Comment
  RSA607254  Aster ascendens L. C. Wheeler 1935-8-27 3925 Modoc S Mt. Spring, Devil's Garden. 1524 Comment
  CAS-BOT-BC180154  Astragalus Annie Montague Alexander; L. Kellogg 1946-6-10 4717 Modoc Slope facing Lower Lake, lava bench below Lower and Snake lakes. Comment
  CHSC67103  Astragalus andersonii James D. Jokerst 1987-5-13 2862 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1371 Comment
  RSA750620  Astragalus bolanderi R. M. Austin 1898-07 198 Modoc Shore Goose Lake. Comment
  CDA26650  Astragalus curvicarpus T. C. Fuller 1965-6-3 13605 Modoc West side of Highway 395 to Alturas, 6.5 miles north of Likely. 0 Comment
  HSC14555  Astragalus curvicarpus M. T. Milligan 1964-6-20 50 Modoc 10th St., E Alturas. 1372 Comment
  CAS-BOT-BC218220  Astragalus curvicarpus var. curvicarpus Bruce Bartholomew 1993-6-14 6674 Modoc Vicinity of Badger Well. 1500 Comment
  CAS-BOT-BC218215  Astragalus curvicarpus var. curvicarpus Amos Arthur Heller 1938-6-24 15225 Modoc Roadside between Alturas and Canby. Comment
  CAS-BOT-BC182076  Astragalus filipes Bruce Bartholomew 1991-6-20 5774 Modoc Junction of county roads 87 and 90. 1220 Comment
  JEPS114697  Astragalus filipes Lowell Ahart, John Dittes 2008-6-20 14977 Modoc upland on the NE side of Big Valley, about 5.3 mi (air NE of the Headquarters at Ash Creek State Wildlife area, about 8.3 mi (air) NE of Bieber 1287 Comment
  JEPS90982  Astragalus filipes Dean Wm. Taylor with Robert A. Price 1988-6-4 9765 Modoc along road to Lava Beds National Monument ca. 6.6 mi w Highway 139 (and 1.3 mi s 15 deg e of East Sand Butte, (Timber Mountain 15' quadrangle)); Modoc Plateau, Tule Lake Basin 1280 Comment
  RSA163781  Astragalus filipes Clare B. Hardham 1961-6-19 7838 Modoc Davis creek. 1677 Comment
  RSA271940  Astragalus filipes Christopher Davidson 1975-6-4 2627 Modoc Canby Bridge across Pit R., ca. 4 mi. S of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC182963  Astragalus filipes Mrs. R. M. Austin; Mrs. Bruce 1898-6-1 2208 Modoc Plains - Goose Lake Comment
  CDA26666  Astragalus filipes T. C. Fuller 1965-6-2 13593 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  RSA0029193  Astragalus filipes John F. Emmel 1997-6-8 1493 Modoc Along Hwy 395 ca. 5.5 road mi south of Alturas, 0.6 road mi south of highway crossing of South Fork Pit River. 1341 Comment
  SEINET948290  Astragalus filipes Barbara Ertter 1988-1 7619 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falss, a few miles N of Agric. Inspection Station, 1 mi. S of Jct to Lava Beds Nat;l Monument E of Tonest; brunchgrass w/ scattered juniper, shallow soil on basalt. 1311 Comment
  CDA20479  Astragalus lemmonii V. Popescu 2004-5-27 s.n. Modoc Modoc Plateau; Ash Creek State Wildlife Refuge near Adin. 0 Comment
  UC81353  Astragalus lentiginosus var. chartaceus Mrs. R. M. Austin June, 1894 253 Modoc shores Goose Lake; shores of Goose Lake Comment
  CAS-BOT-BC182053  Astragalus malacus Bruce Bartholomew 1994-5-15 6696 Modoc Poison Spring Canyon near junction with Schamp Creek. Ca. 8 km E of Fort Bidwell. 1480 Comment
  SJSU13925  Astragalus malacus N. A. Hopkins 1985-5-13 1267 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
  CAS-BOT-BC182023  Astragalus purshii Elmer Ivan Applegate 1936-7-4 10511 Modoc N slope of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC182038  Astragalus purshii Elmer Ivan Applegate 1936-7-4 10511 Modoc N slope of Caldwell Butte, Lava Beds National Monument. Comment
  CHSC117878  Astragalus purshii var. purshii L. P. Janeway 2016-5-16 11994 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  HSC71402  Astragalus purshii var. purshii J. P. Smith, J. O. Sawyer 1972-5-6 5266 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 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
  JEPS54806  Astragalus purshii var. tinctus Leland S. Smith 1917-6-15 806 Modoc Jess Valley , Jess Valley (Warner Mts.) Comment
  UC13455  Astragalus purshii var. tinctus Milo S. Baker Jun 5, 1893 - June 8, 1893 Modoc Egg L. Comment
  UC397286  Astragalus webberi Mrs. M. H. Manning 1907-6-15 Modoc e side Warner Range Comment
  CAS-BOT-BC200870  Astragalus whitneyi var. confusus Clare B. Hardham 1961-6-18 7578 Modoc Mountains south of Cedar Pass 1981 Comment
  NY696556  Astragalus whitneyi var. confusus B. M. Bartholomew 1988-6-25 4375 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  RSA415765  Astragalus whitneyi var. confusus Christopher Davidson 1973-5-26 2122 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  SEINET10490004  Astragalus whitneyi var. confusus Jeffrey Huber 1971-6-3 Huber 93 Modoc 5 mi s of canby on calif hwy 299, lupinus heavily carpeting hillsides of large Basaltic boulders sparse juniper, artemesia, prushia, poa assoc. 1280 Comment
  CAS-BOT-BC181991  Astragalus whitneyi var. lenophyllus Bruce Bartholomew; Barrett Anderson 1990-7-20 5484 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC181992  Astragalus whitneyi var. lenophyllus M. Vasey 1990-6-29 9023 Modoc Along North Emerson Trail, near pass. South Warner Wilderness. 2377 Comment
  CAS-BOT-BC181994  Astragalus whitneyi var. lenophyllus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 61 Modoc Above Parker Creek, near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC181997  Astragalus whitneyi var. lenophyllus Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13333 Modoc 9.7 mi. N of Adin on Hwy 299. Comment
  POM260740  Astragalus whitneyi var. siskiyouensis Alice Eastwood, John T. Howell 1940-6-11 8011 Modoc 6 miles NE of Adin on road to Canby. Comment
  CAS-BOT-BC30207  Athyrium alpestre var. americanum Bruce Bartholomew 1992-8-8 6373 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  CAS-BOT-BC95509  Atriplex rosea Mary DeDecker 1974-10-28 3710 Modoc Just S of Alturas along Highway 395. Comment
  JEPS121188  Atriplex rosea Lowell Ahart, John Dittes 2013-7-25 18956 Modoc Along the N-S fence, S edge of Ash Creek floodplain, NW of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  UC42327  Azolla filiculoides Mrs. R. M. Austin June, 1894 Modoc Cold Spring; Willow Creek Valley Comment
Read comments
Jul 6 2010
  CAS-BOT-BC15184  Balsamorhiza hookeri var. lanata Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6503 Modoc SE side of Hager Basin, along Crowder Flat Road. 1680 Comment
  RSA60350  Balsamorhiza sagittata E. K. Balls 1950-5-10 15966 Modoc 0.5 mi. east of fork of Hwy 395 and Alturas Road. 1585 Comment
  CAS-BOT-BC58630  Barbarea orthoceras Betty J. Hammerly 1941-6-20 32 Modoc Just beyond Clear Lake. 1767 Comment
  CAS-BOT-BC58674  Barbarea orthoceras Roxana Stinchfield Ferris; R. Duthie 1919-6-15 178 Modoc Near marsh, Parker Creek, Modoc Nat. Forest Boundary. Comment
  CHSC107331  Barbarea orthoceras Lowell Ahart; John Dittes 2011-6-21 17518 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC748372  Barbarea orthoceras Annie M. Alexander and Louise Kellogg 1946-6-22 4818 Modoc edge Bidwell Creek; Warner Mountains 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
  RSA624497  Bassia hyssopifolia L. C. Wheeler 1935-10-10 4035 Modoc Alturas. 1356 Comment
  JEPS124361  Beckmannia syzigachne Lowell Ahart, John Dittes 2015-7-16 20372 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UCD56808  Beckmannia syzigachne August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  HSC100068  Beckmannia syzigachne G. D. Barbe, John Kelley 1988-7-20 4298 Modoc Modoc National Wildlife Refuge, SE of Alturas, MDB & M. Comment
  CAS-BOT-BC54187  Berberis aquifolium var. repens Bruce Bartholomew 1991-6-21 5805 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CHSC118298  Berberis aquifolium var. repens L. P. Janeway 2016-5-18 12059 Modoc Modoc Plateau. Northeast corner of the Devils Garden area; along Road 47N37 0.6 km of Road 73/181/47N09. 1626 Comment
  SJSU9698  Berberis aquifolium var. repens W. Savage 1979-7-10 Modoc Oreghon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  SEINET2149791  Betula glandulosa K. T. Harper 1974-1 137 Modoc Dismal Swamp, north end of Warner Mountains. 2165 Comment
  CAS-BOT-BC54190  Betula occidentalis Bruce Bartholomew; Barrett Anderson 1988-6-24 4350 Modoc South Barber Creek, 6.3 km SW of County Road 1 on County Road 42, E side of the Warner Mts.. 1790 Comment
  UCR57550  Bidens cernua R. D. Goeden 1989-8-23 28 Modoc Modoc National Forest, Clear Lake Road at Fletcher Creek. 1479 Comment
  POM312323  Bidens cernua H. L. Mason, Verne Grant 1947-7-12 13431 Modoc South loop of west side road, north of Likely Comment
  CAS-BOT-BC15149  Bidens cernua var. cernua Bruce Bartholomew 1989-8-12 5135 Modoc 4.2 km W of Likely on County Road 60. 1370 Comment
  CAS-BOT-BC15101  Bidens laevis Bruce Bartholomew 1992-8-7 6352 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  CAS-BOT-BC218115  Bistorta bistortoides K. Paulson; Robert Paulson 1988-6-29 65 Modoc Benton Meadow, Warner Mts.. 1676 Comment
  CAS-BOT-BC15092  Blepharipappus scaber Lillian S. Mott 1976-5-29 5 LM76 Modoc Devil's Garden, N of Alturas. 1402 Comment
  CAS-BOT-BC15124  Blepharipappus scaber Roxana Stinchfield Ferris; R. Duthie 1919-6-13 57 Modoc Along Parker Creek, Warner Mts. Comment
  CHSC99960  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
  HSC28854  Blepharipappus scaber D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19370 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC128043  Blepharipappus scaber David D. Keck; J. Clausen 1935-6-24 3725 Modoc 5 mi. S. of Likely 1402 Comment
  CAS-BOT-BC15076  Blepharipappus scaber Milo Samuel Baker 1936-6-16 8353 Modoc Hwy 395 between Alturas and Likely. Comment
  CAS-BOT-BC15078  Blepharipappus scaber Louis Cutter Wheeler 1935-8-1 3725 Modoc Pine Creek, Warner Mts. 1767 Comment
  CAS-BOT-BC15119  Blepharipappus scaber Mrs. Annie F. Rodda 1932-7-1 Modoc Near Alturas. Comment
  JEPS5985  Blepharipappus scaber Frances D. Payne 1931-6-11 146 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  POM351057  Blepharipappus scaber Thomas W. Nelson, James Nelson, Jane P. Nelson 1976-8-29 3248 Modoc Modoc National Forest, Growing beside highway 299 just northwest of Adin Pass. 1524 Comment
  RSA508244  Blepharipappus scaber F. R. Fosberg 1957-8-18 38851 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  JEPS53152  Boechera L. S. Smith 1917-7-2 68 Modoc Warren Mt. Warner Mts. 2590 Comment
  CAS-BOT-BC35122  Boechera microphylla Annie Montague Alexander; L. Kellogg 1946-7-24 5074 Modoc Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC95730  Boechera pauciflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6539 Modoc Just W of West Valley Reservoir. 1460 Comment
  CAS-BOT-BC95736  Boechera pauciflora Gordon H. True 1964-6-3 1433 Modoc No. Fork Pit River between Alturas & Goose Lake. 1432 Comment
  UC922247  Boechera pauciflora Annie M. Alexander and Louise Kellogg 1946-7-1 4893 Modoc 0.5 mi e Bidwell Creek Road summit; Warner Mountains Comment
  CAS-BOT-BC14126  Boechera paupercula Annie M. Alexander; Louise Kellogg 1946-8-1 5107 Modoc Warner Mountains. Eagle Peak. West slope below crest of divide. Comment
  CAS-BOT-BC14148  Boechera pendulocarpa L. S. Smith 1917-7-2 55 Modoc Modoc Forest. Warren Peak, head of Parker Creek. 2316 Comment
  CAS-BOT-BC248345  Boechera pinetorum B. Bartholomew; H. Sun 2002-6-24 8828 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  JEPS53130  Boechera platysperma W. L. Jepson 1918-8-13 7973 Modoc Summit, Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  CAS-BOT-BC35125  Boechera puberula Leland S. Smith 1920-6-15 1200 Modoc Bieber Range. 1371 Comment
  CAS-BOT-BC25534  Boechera retrofracta B. Bartholomew; M. Bourell 1990-4-27 5194 Modoc 1.1 km east of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  CAS-BOT-BC95738  Boechera sparsiflora Bruce Bartholomew; Barrett Anderson 1989-4-29 4668 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC95741  Boechera sparsiflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6549 Modoc 8 km E of Likely along S Fork of Pit River. 1380 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
  RSA0128801  Boechera sparsiflora Christopher Davidson 1973-5-26 2110 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA0128852  Boechera sparsiflora Christopher Davidson 1975-6-4 s.n. Modoc 2.5 miles W of Cedarville on Hwy 299. 1677 Comment
  SBBG2383  Boechera stricta H. and M. Dearing 1939-6-8 Modoc Lily Lake, Warner Mtns 1828 Comment
  RSA166350  Boisduvalia glabella D. M. Moore 1960-6-4 120 Modoc 7.4 mi. W of Adin on road to Lookout. Comment
  RSA323624  Boisduvalia macrantha Arnold Tiehm 1984-6-30 8836 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1845 Comment
  RSA323753  Boisduvalia stricta Arnold Tiehm 1984-7-30 8828 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 Comment
  UC123120  Botrychium multifidum Mrs. R. M. Austin 1874-1 149 Modoc Lava Beds Comment
  UC1134015  Brodiaea coronaria subsp. coronaria R. C. Wilson 1933-6-27 56 Modoc Tom's Creek Modoc National Forest, Canby Quad. 1463 Comment
  CAS-BOT-BC242450  Bromus briziformis E. S. Willits 1940-5-16 246 Modoc Davis Creek. 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-BC242429  Bromus carinatus var. carinatus Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake Ranch in Alfalfa field. Comment
  CAS-BOT-BC242431  Bromus carinatus var. carinatus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16435 Modoc 4 mi. E of Summit of Cedar Pass, along Cedar Pass road. Comment
  CAS-BOT-BC242437  Bromus carinatus var. carinatus Leland S. Smith 1922-7-20 1272 Modoc Rush Creek Ranger Station. 2133 Comment
  UC162262  Bromus carinatus var. carinatus H. M. Hall and E. B. Babcock June, 1903 4247 Modoc Sierra Nevada Mountains, south-western Modoc County Sierra Nevada Mountains 1219 Comment
  SEINET191105 Image available Bromus carinatus var. marginatus A. A. Beetle 1941-6-29 2821 Modoc 15 miles west to Alturas, road to Cederville pass, 1524 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
  UCD58483  Bromus commutatus L. D. Whitney 1935-8-10 s.n. Modoc Pit River. Alturas. Comment
  UC1024895  Bromus diandrus Leo Whitney 1935-5-23 3119 Modoc 15 mi nw of Canby (Hackamore, Modoc National Forest, Lake Joaquina); Hackamore, Modoc National Forest, Lake Joaquina 1463 Comment
  CAS-BOT-BC242473  Bromus hordeaceus Bruce Bartholomew 1990-6-17 5321 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  SJSU9568  Bromus japonicus Wayne Savage 1979-7-3 1310 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD57992  Bromus japonicus Louis C. Wheeler 1973-8-23 s.n. Modoc Big Mud Lake. Comment
  UCD58866  Bromus japonicus L. D. Whitney 1935-8-3 s.n. Modoc Buck Creek. North Warner Mts. Comment
  UC1024932  Bromus madritensis subsp. rubens Leo Whitney 1935-6-29 3345 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore, Lake Joaquina); Modoc National Forest, Hackamore, Lake Joaquina 1463 Comment
  RSA534586  Bromus marginatus Bruce Bartholomew 1989-7-15 4994 Modoc Sweagert Flat. 567 Comment
  HSC80908  Bromus orcuttianus G. M. Riegel 1979-9-6 763 Modoc South Warner Mountains 509 Comment
  CAS-BOT-BC242459  Bromus suksdorfii Leland S. Smith 1922-7-20 1277 Modoc Rush Creek Ranger Station. 1905 Comment
  JEPS52603  Calandrinia ciliata Milo S. Baker 1893-7-1 Modoc shore Egg Lake 1371 Comment
  CAS-BOT-BC95089  Callitriche fassettii Louis Cutter Wheeler 1935-8-22 3904 Modoc South Mt. Reservoir, Devil's Garden. 1524 Comment
  HSC3805  Callitriche heterophylla M. T. Milligan 1966-8-11 648 Modoc E of Jess Valley 1768 Comment
  CAS-BOT-BC95100  Callitriche palustris Louis Cutter Wheeler 1935-8-15 3863 Modoc Dismal Swamp. 2225 Comment
  RSA77851  Callitriche verna F. W. Peirson 1926-6-26 6907 Modoc Between Alturas and Canby. Comment
  UC401356  Calocedrus decurrens W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  CAS-BOT-BC244937  Calochortus leichtlinii Barrett Anderson 1986-7-10 3205 Modoc West Warner Rd just S of the N Fork of Fitzhugh Creek. 1980 Comment
  CAS-BOT-BC244929  Calochortus longebarbatus var. longebarbatus Bruce Bartholomew 1994-7-4 6848 Modoc Hubert Creek. 1390 Comment
  CAS-BOT-BC242137  Calochortus macrocarpus Barrett Anderson 1986-7-9 3142 Modoc Bushy Flat Rd along the Pit River, just E of Hwy 299. 1500 Comment
Read comments
Aug 3 2018
  CAS-BOT-BC242150  Calochortus macrocarpus Isabelo T. Kelly 1930-1-1 8 Modoc Near Ft. Bidwell. Comment
  UC1036062  Calochortus macrocarpus Annie M. Alexander and Louise Kellogg 1946-7-7 4920 Modoc w of Lake Annie Comment
  CAS-BOT-BC217327  Caltha leptosepala Annie Montague Alexander; L. Kellogg 1946-6-26 4829 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  CAS-BOT-BC217330  Caltha leptosepala Bruce Bartholomew 1992-5-15 6302 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC197579  Calyptridium umbellatum Elmer Ivan Applegate 1932-8-3 8128 Modoc Arid summit of Eagle Peak, Warner Mts. Comment
  HSC17648  Calyptridium umbellatum M. T. Milligan 1965-7-10 420 Modoc W slope of Eagle Peak 2744 Comment
  UCR34758  Calyptridium umbellatum J. A. Harpel 1981-8-6 V- 35 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC748278  Calyptridium umbellatum Annie M. Alexander and Louise Kellogg 1946-6-25 4825 Modoc Dismal Swamp, at n end of Warner Mountains Dismal Swamp; Warner Mountains, Dismal Swamp 2255 Comment
  CAS-BOT-BC242129  Camassia quamash subsp. breviflora Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-5-29 773 Modoc 1 mi. E of Lake City. Comment
  CHSC85122  Camassia quamash subsp. breviflora John Dittes; Josephine Guardino 1991-7-21 443 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-BC242131  Camassia quamash subsp. breviflora John H. Hatton 1911-6-10 34 Modoc Modoc County. 1249 Comment
  POM312923  Camassia quamash subsp. breviflora Malcolm A. Nobs, S. Galen Smith 1949-5-29 773 Modoc 1 mile east of Lake City Comment
  CAS-BOT-BC58636  Camelina microcarpa Clare Butterworth Hardham 1961-6-18 7803 Modoc North Fork of Pitt River, 3.3 mi. SW of Cedar Pass turn off. Comment
  CAS-BOT-BC58638  Camelina microcarpa John Thomas Howell 1934-6-30 12279 Modoc Duncan Horse Camp. 1355 Comment
  CHSC112831  Camelina microcarpa Lowell Ahart; John Dittes 2013-7-25 18951 Modoc About 100 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
  JEPS118336  Camelina microcarpa Lowell Ahart, John Dittes 2011-6-22 17547 Modoc On the east side of the road, about 150 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  JEPS121200  Camelina microcarpa Lowell Ahart, John Dittes 2013-7-25 18951 Modoc About 100 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  UCD114103  Camelina microcarpa Verne Grant; Irving Schneider 1947-7-20 8108 Modoc north fork of Pit River, downstream from Alturas. Comment
  CAS-BOT-BC191121  Camissonia andina Bruce Bartholomew 1991-6-21 5817 Modoc N side of Mud Lake, 5.8 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC191122  Camissonia andina Alice Eastwood; John Thomas Howell 1940-6-15 8291 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC191124  Camissonia andina R. K. Gierisch; D. H. Esplin 1969-7-15 3543 Modoc Modoc County 1524 Comment
  CAS-BOT-BC191127  Camissonia andina Alice Eastwood; John Thomas Howell 1940-6-13 8118 Modoc Surprise. Comment
  CAS-BOT-BC191136  Camissonia andina R. M. Austin 1887-6-1 Modoc Goose Lake Valley. Comment
  NY852051  Camissonia subacaulis L. C. Wheeler 1935-8-1 3731 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225 Comment
  NY852050  Camissonia subacaulis Mrs. C. C. Bruce 06 1898 2203 Modoc Lake City Mountain Comment
  CAS-BOT-BC191085  Camissonia tanacetifolia subsp. tanacetifolia Leland S. Smith 1918-5-16 926 Modoc Centerville Road W of Alturas. Comment
  CAS-BOT-BC95106  Campanula scabrella D. Showers 1978-8-8 4219 Modoc Near Patterson Lake. 2743 Comment
  UC117882  Capsella bursa-pastoris Mrs. R. M. Austin May 1894 20 Modoc Goose Lake Valley Comment
  JEPS53291  Capsella bursa-pastoris Frances D. Payne 1931-6-17 177 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC10295  Capsella bursa-pastoris Milo S. Baker 1893-6-22 Modoc Comment
  NY119874  Cardamine breweri N. H. Holmgren 1970-6-23 4370 Modoc Warner Mtns., North Fork Deep Creek, 6.5 road miles W of Cedarville cemetary. 2133.6 Comment
  CAS-BOT-BC58426  Cardamine breweri var. breweri Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10527 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC58428  Cardamine breweri var. breweri Alice Eastwood; John Thomas Howell 1940-6-13 8166 Modoc Cedarville. Comment
  JEPS53401  Cardamine californica var. integrifolia Frances D. Payne 1931-6-22 242 Modoc s and e Alturas (Dry Creek tributary of Parker Creek, Warner Mountains); Warner Mountains, Dry Creek tributary Parker Creek 1828 Comment
  CDA13476  Cardaria chalepensis G. F. Hrusa, T. D. Wilfred 1996-7-21 13323 Modoc Modoc Plateau; Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. 1280 Comment
  SEINET5341098  Cardaria draba M. J. Williams 1984-6-30 84- 81 -6 Modoc 9.6 miles from Gerlach-Cedarville road on the Parker Creek road. West side of the Warner Mtns, south of Cedar Pass 1829 Comment
  CDA3734  Cardaria pubescens T. C. Fuller 1959-7-8 4714 Modoc Highway 139, chain station, 5.4 miles north of Canby. 0 Comment
  UC1024316  Carex abrupta Annie M. Alexander and Louise Kellogg 1946-6-14 4759 Modoc Patterson Mill road, Silver Creek branch 1828 Comment
  HSC48000  Carex amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19460 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC1586941  Carex amplifolia Juha Pykala and D. H. Norris 1987-5-27 1071 Modoc by a little springy stream that runs to Rush Creek (Upper Rush Creek Campground); Modoc National Forest, Upper Rush Creek Campground 1550 Comment
  CAS-BOT-BC242371  Carex athrostachya Herbert Louis Mason; Verne Grant 1947-7-10 13355 Modoc Pasture land 1/4 mi. W of Doris Reservoir, 2 mi. E of Alturas. Comment
  CHSC117018  Carex athrostachya Lowell Ahart 2016-6-6 20964 Modoc About 100 yards east of the Parking Area, about one miles south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  SEINET10585101  Carex athrostachya Gordon H. True 1939-8-16 True 999 Modoc Canby. Comment
  CAS-BOT-BC498657  Carex aurea B. Crampton 1954-7-6 2099 Modoc Shields Creek, Warner Mountains, 20 mi E of Alturas 1676 Comment
  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
  HSC48334  Carex douglasii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19356 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. 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
  POM203051  Carex jonesii J. T. Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  JEPS114841  Carex lanuginosa Lowell Ahart, John Dittes 2008-6-21 15003 Modoc On damp soil along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, aout 6.4 miles (air northeast of Bieber 1269 Comment
  JEPS109546  Carex luzulina var. ablata Dean W. Taylor 1987-6-27 9117 Modoc Warner Mountains, headwaters upper South Deep Creek 2194 Comment
  HSC48001  Carex multicaulis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19461 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  HSC48004  Carex multicaulis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19489 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC245165  Carex nebrascensis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 151 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC245171  Carex nebrascensis Bruce Bartholomew; Barrett Anderson 1989-6-1 4756 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CAS-BOT-BC245172  Carex nebrascensis John Thomas Howell 1934-6-15 12190 Modoc Alturas. Comment
  CAS-BOT-BC245174  Carex nebrascensis John Thomas Howell 1934-6-12 12020 Modoc Plum Valley. Comment
  RSA364669  Carex nebrascensis A. M. Alexander, Louise Kellogg 1946-7-7 4928 Modoc Eight Mile Creek. Comment
  SEINET7568696 Image available Carex nebrascensis John Thomas Howell 1934-6-12 12020 Modoc Plum Valley, Warner Mts. Comment
  POM313121  Carex pellita H. L. Mason, Verne Grant 1947-7-12 13423 Modoc Near south end of West Side Rd. along railroad tracks, Pit River Valley, south of Alturas 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
  CAS-BOT-BC245158  Carex petasata Clare Butterworth Hardham 1961-6-17 7808 Modoc North fork of the Pit River, 3.3 mi. S of junction of 395 and 8A. Comment
  CAS-BOT-BC118321  Carex praegracilis E. K. Balls 1950-5-10 14603 Modoc Below Monlo Baths, west shore Lower Alkali Lake 1402 Comment
  HSC96002  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-27 1165 Modoc Modoc National Forest, N end of Big Sage Reservoir, very near the road from Crowder Flat Rd. to Dead Horse Reservoir 1494 Comment
  UC1024317  Carex praegracilis Annie M. Alexander and Louise Kellogg 1946-6-14 4761 Modoc branch to Silver Creek (Patterson Mill Rd.) 1828 Comment
  UC1736038  Carex raynoldsii Dean W. Taylor 1989-8-5 10469 Modoc North Emerson Lake; Warner Mountains Comment
  CHSC53657  Carex rossii L. P. Janeway; Gary Benson, Randy Harrison 1984-8-23 1057 A Modoc Near S Fk Pine Cr at border of the South Warner Wilderness. 2072 Comment
  RSA0079904  Carex rossii Peter H. Raven 1962-5-29 17894 Modoc 13 miles northwest of Canby. Comment
  HSC48331  Carex rostrata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19361 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  JEPS63658  Carex simulata W. L. Jepson 1918-8-10 7936 Modoc Alturas 1371 Comment
  HSC75587  Carex straminiformis G. M. Riegel 1979-7-30 625 Modoc S Warner Mtns. 1829 Comment
  UC1024332  Carex straminiformis Annie M. Alexander and Louise Kellogg 1946-7-17 5007 Modoc Benton Meadow Warner Mountains 2072 Comment
  HSC47604  Carex subfusca D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19459 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  SEINET3827144  Carex subfusca Miriam C. Fritts, Harold C. Fritts 1997-1 97 -56 Modoc Modoc National Forest Highway 139, six miles north of junction with Highway 299. Howard Gulch Campground. 149 Comment
  UC1537639  Carex utriculata Gordon H. True Jr. 1939-7-21 990 Modoc n Canby; Jack Swamp Comment
  UC70019  Carex vernacula Mrs. M. H. Manning Aug. 1903 433 Modoc ne Modoc County Comment
  CHSC30496  Castilleja angustifolia N. E. H. Prouty 1980-5-25 165 Modoc Comment
  CAS-BOT-BC225974  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1932-8-7 8235 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC225985  Castilleja applegatei subsp. pinetorum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 116 Modoc Above Parker Creek at Modoc Nat. Forest Boundary. Comment
  CHSC109456  Castilleja applegatei subsp. pinetorum B. Castro; L. P. Janeway 2012-7-24 1952 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
  JEPS27948  Castilleja applegatei subsp. pinetorum Frances D. Payne 1931-6-11 148 Modoc Parker Creek Warner Mountains 1584 Comment
  JEPS3853  Castilleja applegatei subsp. pinetorum N. T. Mirov 1929-6-23 Modoc e of Goose Lake (on Fandango Valley road, Buck Creek Ranger Station); Warner Mountains 1569 Comment
  POM260343  Castilleja applegatei subsp. pinetorum C. L. Hitchcock 1940-5-27 6677 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA185375  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-18 7595 Modoc Warner Mountains, Davis Creek. 2134 Comment
  SEINET13732522  Castilleja applegatei subsp. pinetorum M. J. Williams 1968-6-1 s.n. Modoc Cedar Pass. 2103 Comment
  UC26538  Castilleja applegatei subsp. pinetorum Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC225972  Castilleja applegatei var. pinetorum M. M. Hanna 1956-6-7 1009 Modoc Hwy 139 between Canby and Tienesta. Comment
  JEPS81045  Castilleja arachnoidea J. P. Smith and J. O. Sawyer 1973-8-8 7236 Modoc near or at Eagle Peak summit; Eagle Peak 2987 Comment
  UC27233  Castilleja arachnoidea Milo S. Baker 1893-6 Modoc Comment
  UC27291  Castilleja campestris subsp. campestris Milo S. Baker 1893-6-15 Modoc Comment
  JEPS120884  Castilleja chromosa Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18765 Modoc About 300 yards E of the Parking Area, E of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  SBBG6767  Castilleja chromosa H. and M. Dearing 1939-6-9 3626 Modoc Warner Mtns [near Squaw Peak?] 2133 Comment
  CAS-BOT-BC226021  Castilleja lacera M. Vasey 1990-6-30 9044 Modoc Near Curtis Waterhole, NW of Egg Lake. 1300 Comment
  CAS-BOT-BC226022  Castilleja lacera Elmer Ivan Applegate 1929-6-24 5893 Modoc Between Alturas and Davis Creek. Comment
  CAS-BOT-BC226024  Castilleja lacera K. Paulson; Robert Paulson 1988-6-19 40 Modoc W of Cranby Bridge. 1310 Comment
  CAS-BOT-BC226036  Castilleja lacera Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16463 Modoc 5 mi. W of Fandango Pass, Warner Mountains Comment
  UC579762  Castilleja lacera David D. Keck and J. Clausen 1935-6-24 3720 Modoc 14 mi s New Pine Creek 1524 Comment
  JEPS27954  Castilleja lacera Frances D. Payne 1929-7-2 36 Modoc Parker Creek, w slope of Warner Mountains Warner Mountains 1584 Comment
  JEPS76161  Castilleja lacera T. I. Chuang with Fei-Mei Chuang 1977-7-26 7662 Modoc 2.2 mi n Adin (at junction of Highway 299 and road to Rush Creek Campground) 1371 Comment
  CAS-BOT-BC226039  Castilleja linariifolia Elmer Ivan Applegate 1929-7-29 6091 Modoc Clear Lake Dam. Comment
  JEPS10874  Castilleja miniata L. S. Smith 1917-7-18 839 Modoc Soldiers Creek Comment
  RSA82265  Castilleja miniata F. W. Peirson 1926-6-25 6887 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  POM42614  Castilleja miniata R. M. Austin 528 Modoc Willow Creek. Comment
  CAS-BOT-BC226051  Castilleja pilosa K. Paulson; Robert Paulson 1989-5-21 120 B Modoc Crowder Flat Rd. at Fletcher Creek. 1365 Comment
  CAS-BOT-BC226052  Castilleja pilosa Bruce Bartholomew 1991-6-20 5775 Modoc Junction of county roads 87 and 90. 1220 Comment
  CAS-BOT-BC226054  Castilleja pilosa Elmer Ivan Applegate 1932-7-9 7602 Modoc N slope of Bidwell Mountain. Comment
  CAS-BOT-BC241015  Castilleja pilosa A. A. Heller 1941-6-25 16199 Modoc On the Cedarville road west of the ascent to Cedar Pass Comment
  CAS-BOT-BC225971  Castilleja pinetorum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 149 Modoc Parker Creek, Modoc Nat. Forest Boundary. 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
  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
  JEPS120511  Castilleja tenuis L. P. Janeway, B. Castro 2012-7-25 10984 Modoc Warner Mountains. Comment
  UC748084  Castilleja tenuis Annie M. Alexander and Louise Kellogg 1946-7-7 4929 Modoc Eight Mile Creek; ne corner of Modoc County 1752 Comment
  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
  UC18346  Ceanothus integerrimus Milo S. Baker 1893-7-8 Modoc Comment
  CAS-BOT-BC217145  Ceanothus prostratus Milo Samuel Baker 1893-1-1 s.n. Modoc Forest Dale Comment
  HSC27255  Ceanothus prostratus J. P. Smith, J. O. Sawyer 1972-5-6 5281 Modoc 2.8 mi. from jct. with Hwy. 395 on rd. between Davis Creek and Fandango Valley 1524 Comment
  HSC80758  Ceanothus prostratus G. M. Riegel 1978-6-25 14 Modoc S Warner Mtns. 1670 Comment
  SEINET12210602  Ceanothus prostratus J. Vale, Wagnon, K.; Knight, W.; Knight, I. 1981-1 4132 Modoc On White Horse Road near Egg Lake, n.w. of Lookout Comment
  SEINET5339372  Ceanothus prostratus E. K. Balls 1950-5-15 14696 Modoc 8.5 miles NW Canby, Hwy. 139 to Klamath Falls. 1402 Comment
  CAS-BOT-BC217123  Ceanothus velutinus Elmer Ivan Applegate 1932-7-31 7982 Modoc Mill Creek Meadows. Comment
  SEINET13946126 Image available Ceanothus velutinus Helen K. Sharsmith 1955-1 4505 Modoc Warner Mountains, Modoc national Forest. On trail to Mill Creek Falls and Clear Lake. Altitude ca 5750 ft 1753 Comment
  CDA34204  Centaurea cyanus L. Ahart, J. Dittes 2010-8-31 17100 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC106187  Centaurea cyanus Lowell Ahart; John Dittes 2010-8-31 17100 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS127154  Centaurea cyanus Lowell Ahart, John Dittes 2016-7-16 21236 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  NY532331  Centaurea diffusa G. Schoolcraft 1985-6-17 Modoc NW of Lookout 1264.9 Comment
  CDA36158  Centaurea diffusa C. Pirosko Jul 2003 s.n. Modoc 0 Comment
  CDA7216  Centaurea diffusa J. Moreo 1991-8-28 Modoc Willow Ranch Mill site. 0 Comment
  CAS-BOT-BC15095  Centaurea maculosa Bruce Bartholomew 1989-7-14 4970 Modoc N end of Big Valley. Comment
  HSC5236  Centaurea solstitialis R. C. Wunner 1965-8-16 436 Modoc California Lava Beds N.M.; 0.15 mile S of Devil's Homestead overlook 1326 Comment
  JEPS117502  Centaurium exaltatum Lowell Ahart, John Dittes 2010-8-31 17125 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA252425  Ceratophyllum demersum R. F. Thorne, C. W. Tilforth 1969-9-5 39187 Modoc Pine Creek where it is crossed by Hwy 395, 3.4 miles S of Alturas. 1341 Comment
  CAS-BOT-BC181986  Cercis occidentalis Bruce Bartholomew 1992-5-14 6281 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  JEPS45549  Cercocarpus betuloides var. macrourus L. S. Smith 1924-5 Modoc s of Egg Lake (Happy Camp District, Modoc National Forest); Modoc National Forest 1310 Comment
  HSC59869  Cercocarpus ledifolius J. P. Smith, J. O. Sawyer 1973-8-9 7267 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  RSA101382  Cercocarpus ledifolius R. Weatherby 1955-7-8 1632 Modoc 5 miles N of Ft. Bidwell, Northern Warner Mts. 1646 Comment
  RSA11803  Cercocarpus ledifolius Elmer I. Applegate 1932-8-1 8055 Modoc Warner Mtns, near summit S of Warner Peak. Comment
  CAS-BOT-BC214640  Cercocarpus ledifolius var. ledifolius Robert Folger Thorne; C. W. Tilforth 1969-9-5 39151 Modoc Near Mill Creek Falls, Warner Mts., Modoc National Forest 1752 Comment
  CAS-BOT-BC214646  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1934-6-11 11966 Modoc Parker Creek, Warner Mts. 1584 Comment
  NY418596  Cercocarpus macrourus M. S. Baker 1893-6-20 s.n. Modoc Comment
  CAS-BOT-BC15058  Chaenactis douglasii var. douglasii Leland S. Smith 1918-7-7 977 Modoc Jess Valley, Modoc National Forest 1828 Comment
  CAS-BOT-BC15060  Chaenactis douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-7-24 5076 Modoc Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC15066  Chaenactis douglasii var. douglasii Isabelo T. Kelly 1930-1-1 53 A Modoc unspecified Comment
  CAS-BOT-BC15068  Chaenactis douglasii var. douglasii David Daniels Keck; J. Clausen 1935-6-24 3716 Modoc 1 mi. N of Buck's Ranger Station, 8 mi. south of New Pine Creek 1524 Comment
  CAS-BOT-BC15070  Chaenactis douglasii var. douglasii Robert Patterson; Mona Bourell 1993-8-15 5237 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 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
  UC71601  Chaenactis douglasii var. douglasii Mrs. M. H. Manning Jul 1 1903-Aug 1 1903 256 Modoc near Fort Bidwell (ne Modoc Co) Comment
  CAS-BOT-BC15056  Chaenactis douglasii var. douglasii Amos Arthur Heller 1938-6-24 15221 Modoc Between Alturas and Canby on Hwy 299. 1341 Comment
  JEPS9110  Chamaesaracha nana L. S. Smith 1918-7-14 995 Modoc Mill Creek Modoc Forest (Eagleville Trail) 2133 Comment
  UC705934  Chamaesaracha nana Marion Ownbey, Fred G. Meyer 1940-7-1 2132 Modoc near Cedar Pass; Warner Mts. Comment
  UC71712  Chamaesaracha nana Mrs. M. H. Manning 1903-8-27 334 Modoc near Fort Bidwell (ne Modoc County) Comment
  UC884531  Chamaesaracha nana C. L. Hitchcock 1940-5-27 6700 Modoc 15 mi ne Alturas 1615 Comment
  UC884530  Chamaesaracha nana Lewis S. Rose 1940-7-13 40561 Modoc Cedar Pass 2118 Comment
  RSA210820  Chamaesyce serpillifolia R. F. Thorne, J. Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39082 Modoc E. shore of Goose Lake at Willow Ranch. 1433 Comment
  UC748246  Chamaesyce serpyllifolia Annie M. Alexander and Louise Kellogg 1946-6-20 4808 Modoc field below town Eagleville 1440 Comment
  CDA35279  Chamaesyce serpyllifolia Louis C. Wheeler 1963-8-24 s.n. Modoc Warner Mountains; Sworinger Reservoir. Comment
  UC1192291  Chamaesyce serpyllifolia Herbert L. Mason, Verne Grant 1947-7-10 13325 Modoc 2 mi E of Alturas (Dorris Reservoir) 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
  UCD97876  Chenopodium foliosum W. T. Parsons; T. C. Fuller 1960-7-26 4874 Modoc E. H. Boys ranch, Lassen Creek, ca. 2 mi. SE/Hwy 395. Comment
  SFV7751  Chenopodium leptophyllum T. Gordon, K. Kimbrough 1975-8-15 1217 Modoc Just east of the entrance to Lava Beds National Monument. 1280 Comment
  CAS-BOT-BC95530  Chenopodium pratericola Isabelo T. Kelly 1930-1-1 31 Modoc Modoc County. Comment
  RSA624455  Chenopodium rubrum L. C. Wheeler 1935-8-18 3896 Modoc 2 miles northeast of Alturas 1357 Comment
  JEPS117371  Chenopodium rubrum var. humile Lowell Ahart, John Dittes 2010-8-30 17049 Modoc About 10 yards west of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS58865  Chimaphila menziesii Milo S. Baker 1893-7-17 Modoc Forestdale Comment
  NY188266  Chimaphila umbellata B. M. Bartholomew 1989-8-10 5044 Modoc 8.7 km E of Day on County Road 94 Comment
  UC412889  Chimaphila umbellata Franklin P. Nutting Aug 20 1900-Aug 30 1900 Modoc Big Valley Mts. near Forestdale; Big Valley Mts. Comment
  CDA19941  Chorispora tenella R. Breckenridge 2002-6-21 PDR 1204570 Modoc Northern California; Jones Lane, south of Alturas, W of canal. 1328 Comment
  CDA36068  Chorispora tenella C. Pirosko 2002-6-14 s.n. Modoc Jones Lane. 0 Comment
  CAS-BOT-BC15006  Chrysothamnus nauseosus subsp. albicaulis Roxana Stinchfield Ferris 1951-9-14 12464 Modoc State line between Adel Oregon and Fort Bidwell. 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-BC15050  Chrysothamnus nauseosus subsp. albicaulis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 119 Modoc Hills above Parker Creek. Comment
  POM41246  Chrysothamnus nauseosus subsp. albicaulis Mrs. R. M. Austin 1895-07 542 Modoc Alturas Comment
  CAS-BOT-BC15034  Chrysothamnus nauseosus subsp. consimilis Elmer Ivan Applegate 1932-8-6 8199 Modoc E side of Middle Lake, Surprise Valley. Comment
  RSA78911  Chrysothamnus parryi subsp. nevadensis E. K. Balls 1952-10-11 18152 Modoc Off road to Fandango Pass, 2 miles SE of Buck's Creek Ranger Station. 1738 Comment
  CAS-BOT-BC14994  Chrysothamnus viscidiflorus subsp. viscidiflorus John Thomas Howell 1934-6-30 12260 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC15000  Chrysothamnus viscidiflorus subsp. viscidiflorus P. Monnet 1913-8-1 941 Modoc Near Alturas. 1402 Comment
  HSC42456  Chrysothamnus viscidiflorus subsp. viscidiflorus Barbara Kelly 1977-8-9 555 Modoc Ash Creek Campground near a campsite Comment
  JEPS21408  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1918-8-6 7836 Modoc Fandango Pass 1859 Comment
  JEPS31102  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest C. Twisselmann 1961-9-22 6573 Modoc Warner Mountains, Jess Valley 1676 Comment
  POM40574  Chrysothamnus viscidiflorus subsp. viscidiflorus Mrs. R. M. Austin 1895-07 543 Modoc Goose Lake Valley. Comment
  SJSU9679  Chrysothamnus viscidiflorus subsp. viscidiflorus W. Savage 1979-8-22 1579 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS89935  Cicuta maculata Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10498 Modoc West shore Lower Lake (Surprise Valley). 1363 Comment
  CAS-BOT-BC191005  Circaea alpina subsp. pacifica Francis Dorris Payne 1935-7-19 801 Modoc Parker Creek. 1584 Comment
  NY850376  Circaea alpina subsp. pacifica K. Paulson 1988-7-11 76 Modoc Cedar Pass Campground. 1676 Comment
  RSA252383  Circaea alpina subsp. pacifica Robert F. Thorne, C. W. Tilforth 1969-9-5 39175 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  JEPS117499  Cirsium arvense Lowell Ahart, John Dittes 2010-8-31 17105 Modoc About 20 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  CDA36038  Cirsium cymosum CDFA Staff Jul 1985 Modoc Alturas. 0 Comment
  JEPS15466  Cirsium cymosum var. cymosum Joseph and Hilda W. Grinnell 1938-6-14 1103 a Modoc above Goose Lake (slope of Sugar Hill); Sugar Hill 1524 Comment
  CAS-BOT-BC14932  Cirsium occidentale var. candidissimum Robert Folger Thorne; C. W. Tilforth 1969-9-5 39183 Modoc 3.3 mi. N of Likely. 1356 Comment
  CAS-BOT-BC14935  Cirsium occidentale var. candidissimum Roxana Stinchfield Ferris 1951-9-14 12466 Modoc Cedar Pass, Warner Mountains, between Cedarville and Alturas Comment
  UC705706  Cirsium occidentale var. candidissimum Marion Ownbey and Fred. G. Meyer 1940-7-1 2159 Modoc 1 mi w of Cedarville Comment
  CDA1507  Cirsium ochrocentrum var. ochrocentrum William J. Ferlatte 1971-6-29 1359 Modoc County Rd. 55 (Pencil Rd.), 0.8 mi. N of Hwy 299 (I-395), 2 mi. E of Alturas. Comment
  CDA1508  Cirsium ochrocentrum var. ochrocentrum G. D. Barbe 1982-7-13 3885 Modoc NE of Alturas, 0.5 mi. N of Hwy 395 at Woodrich & Pencil Rds. 0 Comment
  UCR57503  Cirsium pastoris R. D. Goeden, Don W. Ricker 1989-8-22 890822- 11 Modoc East of Likely on Jess Valley Rd. 1415 Comment
  UC71694  Cirsium scariosum var. americanum Mrs. M. H. Manning 1903-6-1 261 Modoc near Fort Bidwell (Upper Alkali Lake, ne Modoc County) Comment
  CAS-BOT-BC191065  Clarkia gracilis subsp. gracilis Bruce Bartholomew; Barrett Anderson 1989-6-1 4739 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC191071  Clarkia gracilis subsp. gracilis Bruce Bartholomew 1990-6-18 5391 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC191072  Clarkia gracilis subsp. gracilis Bruce Bartholomew; Barrett Anderson 1989-6-3 4869 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC191074  Clarkia gracilis subsp. gracilis Bruce Bartholomew 1991-6-20 5773 Modoc Junction of county roads 87 and 90. 1220 Comment
  LA47493  Clarkia gracilis subsp. gracilis Clare B. Hardham; 1961-6-19 7522 A Modoc Warner Mountains, Willow Creek 1676 Comment
  RSA27680  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  RSA504595  Clarkia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1988-6-23 4290 Modoc South side of Egg Lake, ca. 1.5 km west of the Burlington Northern railroad track 1300 Comment
  CAS-BOT-BC191058  Clarkia lassenensis Barbara J. Ertter 1988-6-18 7622 Modoc Hwy 139 a few mi. N of Agric. Inspection Station, 1 mi. S of S jct to Lava Beds Nat'l Monument. 1310 Comment
  OBI53989  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Ag Inspection Statio, 1 mi S of S jctn to Lava Beds Natl Monument E of Tonesta 1311 Comment
  RSA150363  Clarkia lassenensis A. J. Cronquist, Arthur H. Holmgren 1959-6-19 8509 Modoc Ridge south of Clear Lake; Warner Mountains 15 miles east of Likely 1982 Comment
  UCD150422  Clarkia lassenensis Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  SEINET5336342  Claytonia lanceolata M. J. Williams 1968-5-31 1152 Modoc Cedar Pass Comment
  UC1573168  Claytonia megarhiza Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10435 Modoc e-face Emerson Peak (Emerson Creek drainage); Warner Mountains, , Emerson Creek 2560 Comment
  CAS-BOT-BC197432  Claytonia perfoliata subsp. intermontana Bruce Bartholomew; Mona Bourell 1990-4-27 5190 Modoc Top of mesa on W side of Goose Lake. 1470 Comment
  CAS-BOT-BC197434  Claytonia perfoliata subsp. intermontana Fred D. Douthitt 1916-4-27 9 Modoc Henderson Meadow. 1737 Comment
  CAS-BOT-BC197437  Claytonia perfoliata subsp. intermontana John Thomas Howell 1934-6-11 11953 Modoc Parker Creek. 1584 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
  RSA276912  Claytonia rubra J. M. Miller 1978-6-19 753 Modoc Modoc County: Warner Mtns, Fandango Pass. 2357 Comment
  CAS-BOT-BC197473  Claytonia rubra subsp. rubra Bruce Bartholomew 1991-5-24 5712 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CHSC117882  Claytonia rubra subsp. rubra L. P. Janeway 2016-5-16 11986 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  HSC80772  Claytonia rubra subsp. rubra G. M. Riegel 1980-8-9 1025 Modoc S Warner Mtns. 1670 Comment
  UC1713744  Claytonia rubra subsp. rubra M. S. Baker and Frank Nutting 1894-6-16 Modoc near Forestdale Comment
  CAS-BOT-BC197426  Claytonia rubra subsp. rubra Mrs. H. C. Cantelow 1940-6-2 4198 Modoc NW of Canby. Rd to Lava Beds. Comment
  UC725913  Cleome platycarpa A. A. Heller 1941-6-26 16211 Modoc 8 mi w Alturas (along U.S. Highway 299) Comment
  CAS-BOT-BC229865  Collinsia parviflora Bruce Bartholomew; Barrett Anderson 1988-5-12 4094 Modoc White Horse. 1340 Comment
  SBBG6876  Collinsia parviflora H. and M. Dearing 1939-6-8 3599 Modoc Pine Cyn, Warner Mtns Comment
  UC217636  Collinsia parviflora Mrs. R. M. Austin Apr 1894 27 Modoc Goose Lake Valley Comment
  HSC20608  Collinsia parviflora M. T. Milligan 1964-4-25 Modoc S end of Lower Cummings Reservoir, along base of dam Comment
  CAS-BOT-BC229872  Collinsia torreyi Bruce Bartholomew 1993-6-12 6596 Modoc Above the road to Day Rock from Little Hot Spring Valley. 1260 Comment
  CAS-BOT-BC229874  Collinsia torreyi Leland S. Smith 1924-6-8 1369 Modoc Timber E of Egg Lake. 1310 Comment
  CAS-BOT-BC190729  Collomia grandiflora Annie Montague Alexander; L. Kellogg 1946-7-7 4952 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC190731  Collomia grandiflora Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10615 Modoc Summit of Fandango Pass. 1889 Comment
  CAS-BOT-BC190732  Collomia grandiflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16437 Modoc 4 mi. E of summit of Cedar Pass along Cedar Pass road. Comment
  CAS-BOT-BC190734  Collomia grandiflora Bruce Bartholomew; Barrett Anderson 1989-6-2 4805 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC190737  Collomia grandiflora Bruce Bartholomew 1989-7-15 5005 Modoc Sweagert Flat. 1860 Comment
  HSC80885  Collomia grandiflora G. M. Riegel 1980-7-14 865 Modoc S Warner Mtns. 1670 Comment
  RSA82760  Collomia grandiflora J. M. Tucker 1950-7-25 1972 Modoc beside highway 139, 26.4 miles southeast of Tule Lake Comment
  UC748267  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1946-7-7 4952 Modoc ne corner of county Eight Mile Creek 1752 Comment
  CDA39999  Collomia grandiflora T. C. Fuller 1958-7-8 2034 Modoc 4 miles south of Pine Creek. 0 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
  CHSC85163  Collomia linearis John Dittes; Josephine Guardino 1991-7-21 397 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
  SJSU9704  Collomia linearis W. Savage 1979-7-10 1528 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CAS-BOT-BC190715  Collomia tinctoria Elmer Ivan Applegate 1935-6-12 9525 Modoc Caldwell Butte, Lava Bed National Monument. Comment
  JEPS114663  Conium maculatum Lowell Ahart, John Dittes 2008-8-25 15280 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CHSC111101  Convolvulus arvensis Lowell Ahart; John Dittes 2012-7-12 18378 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1262 Comment
  CAS-BOT-BC229877  Cordylanthus capitatus Bruce Bartholomew; Barrett Anderson 1988-7-23 4560 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  JEPS71355  Cordylanthus capitatus L. R. Heckard with R. Bacigalupi and T. I. Chuang 1973-7-29 3458 Modoc 3.5 mi n of Cedar Pass ((e of summit) e side of Warner Mountains, Summit of Old Cannon Mill Road); Warner Mountains, Old Cannon Mill Road 2072 Comment
  RSA504660  Cordylanthus capitatus Bruce Bartholomew, B. Anderson 1988-7-23 4560 Modoc Road beyond Poison Lake 8km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2140 Comment
  SBBG100047  Cordylanthus capitatus L. R. Heckard, P. Rubtzoff 1971-8-3 2705 Modoc summit of Old Cannon Mill Rd, 3.5 mi N of Cedarville Pass 1981 Comment
  HSC80864  Cordylanthus capitatus G. M. Riegel 1980-7-23 929 Modoc N Warner Mtns. 1982 Comment
  JEPS114496  Crataegus castlegarensis Lowell Ahart, John Dittes 2008-8-25 15330 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber 1271 Comment
  RSA0108923  Crataegus castlegarensis Lowell Ahart, John Dittes 2008-8-25 15330 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4500 feet south of County Road 87, 2.7 miles (air) northeast of Bieber. 1271 Comment
  CAS-BOT-BC197570  Crataegus douglasii Francis Dorris Payne 1931-6-21 232 Modoc Gulch N of Parker Creek, Warner Mts. 1828 Comment
  JEPS124390  Crataegus douglasii Lowell Ahart, John Dittes 2015-7-15 20356 Modoc About 50 yards southeast of the bridge across Ash Creek (destroyed), about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC14903  Crepis acuminata Bruce Bartholomew 1992-5-17 6350 Modoc On abandoned dirt track, SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1300 Comment
  JEPS36469  Crepis acuminata L. S. Smith 1918-7-11 983 Modoc Mill Creek Modoc <National> Forest (Sec 22) 2133 Comment
  UC31287  Crepis acuminata Milo S. Baker 1893-6 Modoc Lava beds Comment
  CHSC118085  Crepis bakeri subsp. bakeri L. P. Janeway 2016-5-17 12012 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  CAS-BOT-BC14854  Crepis intermedia Elmer Ivan Applegate 1932-8-1 8002 Modoc N of Mill Creek Meadows, west slope of Warner Mountains 2438 Comment
  CAS-BOT-BC14864  Crepis intermedia Bruce Bartholomew 1991-7-5 5951 Modoc Coyote Meadow, near the Oregon border. 1580 Comment
  CDA33509  Crepis modocensis Dale Woods, V. Popescu, B. Villegas 2010-6-3 Modoc Kelly Springs Rd; about 2 miles southeast of Hwy 299, Modoc National Forest. 0 Comment
  UC31308 Image available Crepis modocensis Mrs. R. M. Austin Jun 1894 Modoc Lava Beds Comment
  CAS-BOT-BC14881  Crepis modocensis subsp. subacaulis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16389 Modoc 5 mi. E of State Hwy 299 along Cedar Pass Road. Comment
  CHSC59501  Crepis occidentalis Mary Meyer 1980-5-1 Modoc Sand Creek. 1645 Comment
  SJSU2085  Crepis occidentalis R. L. Fisher 1958-6-13 Modoc c. 6 mi S of Canby near Adin Pass Comment
  UC581323  Crepis occidentalis subsp. occidentalis G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2366 Modoc Round Valley; center, along state hwy 1060 Comment
  CAS-BOT-BC95593  Cressa truxillensis Bruce Bartholomew 1991-8-4 6014 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  CAS-BOT-BC14830  Crocidium multicaule A. Cronquist 1963-5-14 9855 Modoc Near Cedar Pass, between Cedarville and Alturas, 9 miles from Alturas 1493 Comment
  CAS-BOT-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
  CAS-BOT-BC14874  Crocidium multicaule Edward Kent Balls 1950-5-10 15956 Modoc Hwy 395, 5.5 mi. E of Alturas. 1524 Comment
  RSA155793  Crocidium multicaule Peter H. Raven 1962-5-29 17897 Modoc State Highway 139 at south road to Lava Beds National Monument. Comment
  SD53083  Crocidium multicaule Peter H. Raven 1962-5-29 17897 Modoc State Highway 139 at south road to Lava Beds National Monument. Comment
  CAS-BOT-BC14838  Crupina vulgaris Bruce Bartholomew 1990-6-15 5212 Modoc Kelly Spring, 5.5 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  CHSC112975  Crypsis alopecuroides Lowell Ahart; John Dittes 2013-7-24 18932 Modoc Edge of a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  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
  JEPS119669  Crypsis schoenoides Lowell Ahart, John Dittes 2012-7-11 18348 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  JEPS121219  Crypsis schoenoides Lowell Ahart, John Dittes 2013-7-24 18913 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
  UCD59980  Crypsis vaginiflora A. A. Beetle 1944-8-15 3025 Modoc Southwest of Modoc County, 4 miles north of Lookout. Comment
  CAS-BOT-BC54127  Cryptantha affinis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10529 A Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  UC24652  Cryptantha ambigua Mrs. R. M. Austin and Bruce Jun 1898 2267 Modoc Goose Lake Comment
  HSC75577  Cryptantha intermedia G. M. Riegel 1980-8-20 1078 Modoc S Warner Mtns. 1739 Comment
  UC78723  Cryptantha intermedia Mrs. R. M. Austin Jul 1884 Modoc Goose Lake Valley Comment
  RSA164360  Cryptantha intermedia Clare B. Hardham 1961-6-18 7545 Modoc 3 miles east of Cedar Pass. 1829 Comment
  UC726224  Cryptantha intermedia A. A. Heller 1941-6-26 16213 Modoc 8 mi w Alturas Comment
  HSC3624  Cryptantha simulans M. T. Milligan 1966-8-3 634 Modoc W slope of Eagle Peak Comment
  HSC3591  Cryptantha torreyana M. T. Milligan 1965-6-23 303 Modoc N end Jess Valley 1616 Comment
  UC71863  Cryptantha torreyana Mrs. M. H. Manning 1903-6-8 160 Modoc Fort Bidwell, ne Modoc County Fort Bidwell Comment
  HSC75579  Cryptantha torreyana G. M. Riegel 1979-7-3 472 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC54083  Cryptantha watsonii Bruce Bartholomew; Barrett Anderson 1989-6-2 4823 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 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
  NY643323  Cuscuta approximata L. C. Wheeler 1935-8-6 3796 Modoc Pine Creek (town) 1524.0 Comment
  RSA603169  Cuscuta approximata var. urceolata L. C. Wheeler 1935-8-6 3796 Modoc Pine Creek (town). 1524 Comment
  CAS-BOT-BC30212  Cystopteris fragilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16422 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1958 Comment
  CAS-BOT-BC30215  Cystopteris fragilis Clare Butterworth Hardham 1961-6-17 7521 Modoc Cedar Pass Camp Ground, Warner Mts.. Comment
  UC1037349  Cystopteris fragilis Leo Whitney 1935-5-20 3097 Modoc ca. 15 mi nw Canby (Hackamore); Modoc Nat'l forest 1463 Comment
  JEPS32208  Damasonium californicum Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  UC1024853  Danthonia californica var. americana Leo Whitney 1935-6-9 3196 Modoc near White Horse; White Horse lake (Flat) Comment
  UCR163912  Danthonia unispicata Jim Andre 1993-6-30 1404 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC214749  Dasiphora fruticosa Leland S. Smith 1917-8-6 131 Modoc Benton Meadows 2194 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
  JEPS86085  Delphinium Wayne Roderick 1966-7-23 Modoc Warner Mountains 1981 Comment
  CAS-BOT-BC217339  Delphinium andersonii Bruce Bartholomew 1990-6-16 5278 Modoc Bear Flat, W side of Warner Mountains. 1830 Comment
  UC585062  Delphinium andersonii E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1831 A Modoc steep n-facing talus slope about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  UC9201  Delphinium depauperatum Mrs. C. C. Bruce June 1898 2236 Modoc Lake City Pass Comment
  JEPS23352  Delphinium nudicaule L. S. Smith 1918-5-2 920 Modoc Gouger Neck Modoc National Forest (near Lookout) 1981 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-BC217279  Delphinium nuttallianum Edward Kent Balls; N. N. Thompson 1950-5-17 14733 Modoc SW of Double Head, 7.5 km from Hwy 139, S of Clear Lake Burs Refuge. 1463 Comment
  CAS-BOT-BC217321  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1988-5-12 4117 Modoc S side of Egg Lake. 1300 Comment
  UC9126  Delphinium nuttallianum Milo S. Baker 1893-6 Modoc Hillside; s face Comment
  HSC9594  Deschampsia danthonioides M. T. Milligan 1964-7-1 115 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  UC53588  Deschampsia danthonioides M. S. Baker and Frank Nutting 1894-8-20 Modoc near Forestdale Forestdale 1371 Comment
  UC790976  Deschampsia danthonioides A. A. Beetle 1941-6-29 2838 Modoc s. slope Mt. Adin Comment
  UC70675  Deschampsia elongata Mrs. M. H. Manning 1904-7-9 4 Modoc n.e. Modoc Co. Comment
  JEPS53445  Descurainia incana Frances D. Payne 1929-7-7 70 Modoc 2 mi sw Mt. Warren (se Modoc County); Pine Creek Basin 2133 Comment
  POM260332  Descurainia incana subsp. viscosa C. L. Hitchcock 1940-5-27 6713 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC58621  Descurainia incisa Bruce Bartholomew; Barrett Anderson 1988-7-21 4450 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  UC10806  Descurainia incisa subsp. filipes Mrs. R. M. Austin Jun 1898 2246 Modoc Lake City canyon; Lake City Comment
  NY125969  Descurainia paradisa var. paradisa B. M. Bartholomew 1994-5-15 6693 Modoc East of Eagleville near the Eagleville Airport, Surprize Valley 1380 Comment
  CAS-BOT-BC58609  Descurainia pinnata subsp. brachycarpa Bruce Bartholomew; Barrett Anderson 1988-5-12 4132 Modoc Clong the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  CAS-BOT-BC58611  Descurainia pinnata subsp. brachycarpa Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6445 A Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC58440  Descurainia sophia W. T. Taylor; Harold Child Bryant 1910-6-11 Modoc S. Fork Pitt River, Alturas. 1402 Comment
  NY500200  Dicentra uniflora R. M. Austin 07 1898 2154 Modoc Mount Bidwell Comment
  JEPS26494  Dicentra uniflora Lauramay T. Dempster 1961-6-19 1706 Modoc e of Davis Creek (town) (headwaters of south fork of Davis Creek); Davis Creek 2286 Comment
  CAS-BOT-BC242120  Dichelostemma multiflorum John Thomas Howell 1934-6-11 11945 Modoc Parker Creek. 1584 Comment
  JEPS79132  Dichelostemma multiflorum L. R. Heckard with R. Bacigalupi 1980-6-10 5234 Modoc about 10 mi nw Lookout (along the Great Northern Railroad grade); Great Northern Railroad Grade Comment
  CAS-BOT-BC49467  Dieteria canescens var. shastensis Bruce Bartholomew 1991-8-5 6024 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  UC296074  Dieteria canescens var. shastensis E. B. Babcock and J. L. Collins 1926-7-20 85 Modoc about 10 mi s Alturas Comment
  CAS-BOT-BC14841  Dimeresia howellii Helen Katherine Sharsmith 1955-6-23 4490 Modoc North of State Highway 28, and 6.7 miles east of Cedar Campground 1859 Comment
  UCSB31429  Dimeresia howellii Haller, John 1978-7-19 Modoc Summit ridge of Warner Mountains, 1 km north of the Likely-Eagleville Road 2377 Comment
  CHSC57228  Diplacus cusickii David M. Thompson 1988-7-23 975 Modoc E side of Warner Mts. 3.7 mi S of Hwy 299 (at Cedarville) along Surprise Valley Road, then 1.5 mi W along Granger Canyon Road. 1500 Comment
  CAS-BOT-BC229913  Diplacus cusickioides K. Paulson; Robert Paulson 1991-7-13 241 Modoc Granger Canyon, E side of Warner Warner Mountains. 1463 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-BC234457  Diplacus nanus K. Paulson; Robert Paulson 1990-6-21 207 Modoc N of Soldier Creek, E side of Warner Mts. 2011 Comment
  CHSC57235  Diplacus nanus David M. Thompson 1988-6-2 926 Modoc 8 1/2 air mi NNE of Adin. 0.2 mi W of campground loop road of Upper Rush Creek Campground; ca. 2 mi E of Hwy 139-299. 1600 Comment
  CAS-BOT-BC234439  Diplacus tricolor Leland S. Smith 1924-6-3 1363 Modoc Kramer Reservoir. 1310 Comment
  POM77104  Dodecatheon alpinum subsp. majus R. M. Austin 1895-09 448 Modoc Tamaracks Comment
  UC105786  Dodecatheon conjugens Mrs. R. M. Austin Apr, 1894 43 Modoc Goose Lake Valley Comment
  UC22370  Dodecatheon conjugens Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley 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
  UC22374  Dodecatheon conjugens Mrs. C. C. Bruce June 1898 2802 Modoc <?>ake<?>ly Mt. Comment
  CAS-BOT-BC218273  Dodecatheon conjugens var. conjugens Kenton L. Chambers 1964-4-28 2085 Modoc Hwy 139 between Tulelake and Canby, at junction with road to Perez, 3 mi. S of road to Clear Lake Reservoir. Comment
  CAS-BOT-BC95108  Downingia bacigalupii Bruce Bartholomew 1989-7-14 4964 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CDA13455  Downingia bacigalupii G. F. Hrusa, T. D. Wilfred 1996-7-21 13302 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  JEPS117480  Downingia bacigalupii Lowell Ahart, John Dittes 2010-8-31 17124 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS108446  Downingia bacigalupii Lisa Schultheis 1996-6-28 310 -96 Modoc Along E side of route 139, 18.1 mi S of Tionesta Rd. turnoff to Lava Beds. Comment
  SJSU3184  Downingia bicornuta R. L. Fisher 1958-6-13 Modoc Bayley L c. 12 mi S of Alturas 1676 Comment
  JEPS23864  Downingia bicornuta var. bicornuta Peter H. Raven with Otto T. Solbrig 1958-6-18 13323 Modoc e outskirts of Lookout Lookout Comment
  UC28979  Downingia cuspidata Milo S. Baker 1893-6-18 Modoc near Egg Lake shore; Egg Lake Comment
  SBBG30548  Downingia elegans D. Myrick 1968-6-20 1984 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  CAS-BOT-BC95139  Downingia insignis Mrs. H. C. Cantelow 1940-5-31 4000 Modoc E of Canby. Comment
  SEINET12329656  Downingia insignis N. H. Holmgren, Holmgren, P. K. 1980-1 9456 Modoc U.S. Highway 299, 2.3 km (1.4 mi.) NE of junction with California Highway 139 through Canby, 1310 Comment
  UC635667  Downingia insignis F. H. Frost 1925-7-28 176 Modoc between Likely and Alturas 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-BC58296  Draba albertina Annie Montague Alexander; L. Kellogg 1946-8-3 5112 Modoc Head of Eagle Creek, Warner Mts. Comment
  HSC68843  Draba albertina Gary Schoolcraft 1980-7-22 328 Modoc Near Benton Meadows at top of Lake City Canyon 2195 Comment
  HSC80856  Draba albertina G. M. Riegel 1980-8-7 1013 Modoc S Warner Mtns. 2341 Comment
  SEINET195673  Draba albertina Annie M. Alexander, L Kellogg 1946-6-25 4823 Modoc Dismal Swamp; N end of Warner Mts 2256 Comment
  CAS-BOT-BC41932  Draba novolympica Annie M. Alexander; Louise Kellogg 1946-8-9 5134 Modoc Between Squaw Peak and Warren Peak, Patterson Lake Trail, Warner Mountains. Comment
  HSC75598  Draba paysonii G. M. Riegel 1980-8-14 1068 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC58591  Draba verna Bruce Bartholomew 1993-4-5 6416 Modoc S side of Pit River on County Road 84, ca. 2 km E of County Road 85. 1340 Comment
  UC1587050  Draba verna G. Schoolcraft 1991-5-7 2134 Modoc s Dutch Flat Cr (at nw corner Round Valley); s of Dutch Flat Cr at nw corner of Round Valley 1310 Comment
  UCR87265  Draba verna George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC214762  Drymocallis glandulosa Bruce Bartholomew; Barrett Anderson 1989-6-3 4868 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC214764  Drymocallis glandulosa Bruce Bartholomew 1995-8-1 7155 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  UC12536  Drymocallis glandulosa var. glandulosa Milo S. Baker 1894-6-13 Modoc w side Egg Lake Comment
  RSA520347  Drymocallis glandulosa var. glandulosa Bruce Bartholomew 1989-6-3 4868 Modoc Boles Creek about 5.5 km E of the SE corner of Clear Lake Reservoir. 436 Comment
  JEPS47207  Drymocallis glandulosa var. reflexa Frances D. Payne 1931-6-18 190 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC12533  Drymocallis lactea Milo S. Baker 1893-6-28 Modoc Comment
  CAS-BOT-BC14804  Dugaldia hoopesii Annie Montague Alexander; L. Kellogg 1946-7-7 4950 Modoc Eight Mile Creek, northeast corner of county 1752 Comment
  RSA608436  Dugaldia hoopesii L. C. Wheeler 1935-8-16 3886 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CHSC116192  Elatine Lowell Ahart; John Dittes 2015-7-15 20351 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS114834  Elatine rubella Lowell Ahart, John Dittes 2008-6-21 14980 Modoc West end of a large culvert, west of the large levee, mountain meadow, in Big Valley about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  JEPS126538  Elatine rubella Lowell Ahart, John Dittes 2016-6-6 20955 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  JEPS127160  Elatine rubella Lowell Ahart, John Dittes 2016-7-16 21246 Modoc South of of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  UC1101549  Elatine triandra Herbert L. Mason 1947-8-13 13527 Modoc n Canby (ne side of F reservoir) Comment
  CAS-BOT-BC242385  Eleocharis macrostachya Roxana Stinchfield Ferris; R. Duthie 1919-6-14 166 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  POM313060  Eleocharis quinqueflora Malcolm A. Nobs, Calvin McMillan 1949-6-16 796 Modoc Dry Valley Reservoir, 33 miles north-northwest of Alturas Comment
  CAS-BOT-BC247721  Elymus X hansenii Bruce Bartholomew; Barrett Anderson 1988-6-23 4287 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  UCD61554  Elymus elymoides L. D. Whitney 1935-7-5 Modoc Hackamore. 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
  CAS-BOT-BC247757  Elymus elymoides subsp. elymoides Elmer Ivan Applegate 1932-8-1 8017 Modoc Summit of Warren Peak. Comment
  HSC10178  Elymus elymoides var. elymoides M. T. Milligan 1966-6-28 479 Modoc Volcanic plateau W of Jess Valley. 1829 Comment
  HSC10953  Elymus elymoides var. elymoides M. T. Milligan 1966-8-3 629 Modoc West slope of Eagle Peak. 2439 Comment
  CAS-BOT-BC247739  Elymus glaucus Bruce Bartholomew 1990-8-5 5682 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  UCD62291  Elymus glaucus A. A. Beetle 1944-8-15 3034 Modoc N. of Lookout. Above Happy Camp Ranger Station. Comment
  CAS-BOT-BC247730  Elymus multisetus Leland S. Smith 1917-7-11 97 Modoc Granger Mill Camp. 1828 Comment
  HSC80812  Elymus trachycaulus G. M. Riegel 1979-9-8 759 Modoc South Warner Mtns. 640 Comment
  UC711889  Elymus trachycaulus Roxana S. Ferris and Laura Lorraine 1941-8-14 10588 Modoc 3 mi from Patterson Ranger Station (on road to Eagleville); Modoc National Forest, Warner Mountains 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
  CHSC115775  Elymus triticoides Lowell Ahart; John Dittes 2015-7-17 20400 Modoc About 60 yards north of Ash Creek, Ash Creek State Wildlife Area, about 3/4 mile south County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. 1279 Comment
  CAS-BOT-BC191033  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1991-7-6 5971 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  CAS-BOT-BC191028  Epilobium brachycarpum Verne Grant; I. Schneider 1947-8-27 8308 Modoc 10 mi. S of Tule Lake. Comment
  HSC26605  Epilobium brachycarpum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19429 Modoc Near Hager Reservoir Comment
  HSC65613  Epilobium brachycarpum Thomas Wood 1979-8-10 249 Modoc About 1 mi. S of Ft. Bidwell along Co. Hwy. 1, where road turns W 1372 Comment
  RSA101357  Epilobium brachycarpum R. Weatherby 1955-7-8 1626 Modoc 6 miles north of Fort Bidwell, northern Warner Mountains 1784 Comment
  SJSU9587  Epilobium campestre W. Savage 1979-7-5 1351 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC190992  Epilobium ciliatum subsp. ciliatum Alice Eastwood; John Thomas Howell 1940-6-12 8092 Modoc Jess Valley. Comment
  CAS-BOT-BC190994  Epilobium ciliatum subsp. ciliatum Robert Folger Thorne; et al 1969-9-3 39023 Modoc SE end of Tule Lake Sump, 0.5 mi N of turnoff to Lava Beds National Monument. 1264 Comment
  JEPS127287  Epilobium ciliatum subsp. ciliatum Lowell Ahart, John Dittes 2016-7-14 21178 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
  POM312596  Epilobium ciliatum subsp. ciliatum Verne Grant, Irving Schneider 1947-7-19 8079 Modoc Near Tules of East Canal, along Southern Pacific right-of-way, Williams Ranch, between Alturas and Likely 1220 Comment
  CAS-BOT-BC190986  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew; Barrett Anderson 1990-7-21 5584 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC190991  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew 1989-8-11 5092 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  SEINET195712  Epilobium ciliatum subsp. glandulosum Louise Kellogg, Annie M Alexander 1946-7-17 5008 Modoc Benton Meadow Warner Mountains 2073 Comment
  RSA502394  Epilobium clavatum D. W. Taylor 1989-8-5 10438 Modoc Emerson Creek drainage, E face Emerson Peak. 2561 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
  JEPS114430  Epilobium densiflorum Lowell Ahart, John Dittes 2008-8-26 15341 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  RSA563315  Epilobium densiflorum Bruce Bartholomew 1989-7-14 4971 Modoc Ca. 1 km east of Happy Camp Ranger Station Comment
  UC1191612  Epilobium densiflorum Herbert L. Mason and Verne Grant 1947-7-13 13452 Modoc near Goose Lake (w end of Pass, on road to Fort Bidwell); Fandango Pass Comment
  NY1000281  Epilobium glaberrimum B. M. Bartholomew 1992-8-9 6396 Modoc Upper region of Owl Creek drainage, on cliffs, east of Summit Trail, east side of Warner Mountains 2620 Comment
  CAS-BOT-BC190966  Epilobium hallianum Elmer Ivan Applegate 1932-8-2 8076 Modoc Mill Creek Meadows, western slope of Warner Mts. Comment
  CAS-BOT-BC190969  Epilobium hallianum Bruce Bartholomew 1991-7-4 5909 Modoc Roney Flat. 1460 Comment
  UC635379  Epilobium hallianum F. H. Frost 1925-7-25 160 Modoc Eagle Peak Warner Mountains Comment
  SEINET191882  Epilobium hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 miles NE of Alturas 1615 Comment
  POM262687  Epilobium hornemannii subsp. hornemannii Bud Fuller 1936-7-10 62 Modoc 15 miles northeast of Alturas 1524 Comment
  CAS-BOT-BC190947  Epilobium obcordatum Bruce Bartholomew 1990-8-4 5630 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  UC71667  Epilobium obcordatum Mrs. M. H. Manning 1903-8-27 347 Modoc just below summit (ne Modoc Co.); Mt. Bidwell Comment
  CAS-BOT-BC190941  Epilobium oregonense Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10519 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  POM319045  Epilobium pallidum Patricia Wilder 1971-6-20 5084 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  CAS-BOT-BC190870  Epilobium pygmaeum Bruce Bartholomew 1990-8-3 5618 Modoc Bear Flat, W side of Warner Mts. 1830 Comment
  HSC862  Equisetum laevigatum M. T. Milligan 1965-6-23 291 Modoc E of Jess Valley 1616 Comment
  CHSC106207  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-BC95472  Eremogone aculeata Bruce Bartholomew 1990-6-15 5245 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC95475  Eremogone aculeata Bruce Bartholomew 1991-6-21 5811 Modoc 4 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC95490  Eremogone aculeata Elmer Ivan Applegate 1932-7-9 7569 Modoc N slope of Bidwell Mountain. Comment
  SBBG19107  Eremogone aculeata C. B. Hardham 1961-6-18 7581 Modoc Cedar Pass 2103 Comment
  HSC80715  Eremogone aculeata G. M. Riegel 1980-7-24 583 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC95447  Eremogone congesta John H. Hatton 1911-6-14 91 Modoc Pitt River Ranger Station. Comment
  CAS-BOT-BC95462  Eremogone congesta Leland S. Smith 1917-7-17 82 Modoc Granger Mill and Upper Deep Creek. 2133 Comment
  CHSC112140  Eremogone congesta var. crassula Dean Wm. Taylor 2012-6-5 21222 Modoc Vicinity Crank Spring (11 air miles North of Lookout). 1365 Comment
  SJSU9701  Eremogone congesta var. simulans W. Savage 1979-7-10 1532 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CHSC112363  Eremogone congesta var. subcongesta L. P. Janeway; B. Castro 2014-6-2 11282 Modoc Great Basin. Along County Road5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  CHSC67117  Eriastrum signatum James D. Jokerst 1987-6-24 2941 Modoc Ca. 5 mi WSW of Alturas on BLM land ca. 1 mi W of Three Sisters, SW face of slope of summit immediately N of junction of Rds. 76 and 75. Comment
  RSA602677  Eriastrum sparsiflorum L. C. Wheeler 1935-8-2 3747 Modoc Twelve Mile Creek, Warner Mts. 2287 Comment
  CAS-BOT-BC14809  Ericameria bloomeri Mrs. M. H. Manning 1905-9-15 s.n. Modoc Near Hall's Meadows. Comment
  CAS-BOT-BC14811  Ericameria bloomeri Mrs. M. H. Manning 1905-9-15 s.n. Modoc Near Hall's Meadows. Comment
  CAS-BOT-BC14821  Ericameria greenei Louis Cutter Wheeler 1935-8-14 3854 Modoc Lily Lake, Warner Mountains 2133 Comment
  HSC67900  Ericameria greenei J. P. Smith, J. O. Sawyer 1973-8-8 7241 Modoc S slopes of Eagle Peak 2561 Comment
  SBBG128118  Ericameria nauseosa var. oreophila L. Ahart, J. Dittes 2010-8-30 17052 Modoc S edge of the meadow, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1267 Comment
  SJSU9677  Ericameria nauseosa var. oreophila W. Savage 1979-8-23 1582 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest. T 43N, R 10E, NW 1/4 Sec 7 1511 Comment
  HSC81022  Ericameria parryi var. nevadensis G. M. Riegel 1979-7-14 542 Modoc South Warner Mtns. 1739 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-BC497222  Erigeron bloomeri Margaret J. Williams 1988-5-30 88- 26 -14 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 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-BC42812  Erigeron bloomeri var. bloomeri John Thomas Howell 1934-6-11 11913 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC42845  Erigeron bloomeri var. bloomeri Alice Eastwood; John Thomas Howell 1940-6-11 8015 Modoc 7 mi. SW of Canby. Comment
  HSC28523  Erigeron bloomeri var. bloomeri D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19386 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC31425  Erigeron bloomeri var. bloomeri M. S. Baker and Frank Nutting 1894-6-25 Modoc near Egg Lake Comment
  UCSB16751  Erigeron bloomeri var. bloomeri Dearing, Hugh; Dearing, Margaret 1939-6-9 Modoc Near Squaw Peak, Warner Mts. 2133 Comment
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May 24 2013
  UC895622  Erigeron bloomeri var. bloomeri Lewis S. Rose 1940-6-12 40539 Modoc 6 mi ne Alturas 1341 Comment
  POM261272  Erigeron chrysopsidis subsp. austiniae C. L. Hitchcock 1940-5-27 6652 Modoc 9 miles northeast of Alturas. 1402 Comment
  CAS-BOT-BC42815  Erigeron compositus Leland S. Smith 1917-7-2 64 Modoc Slopes of Mt. Warren, Warner Mountains, Modoc National Forest 2682 Comment
  HSC5503  Erigeron coulteri M. T. Milligan 1964-7-25 184 Modoc Pine Creek Basin, along trail. 2439 Comment
  HSC5509  Erigeron divergens M. T. Milligan 1965-6-27 378 Modoc N end Jess Valley 1616 Comment
  UC87559  Erigeron divergens Mrs. R. M. Austin 1894-1-1 Modoc Goose Lake Valley Comment
  POM36264  Erigeron divergens Mrs. R. M. Austin 555 Modoc Goose Lake Valley Comment
  CAS-BOT-BC42752  Erigeron eatonii var. plantagineus Clare Butterworth Hardham 1961-6-18 7573 Modoc Mountains S of Cedar Pass. 1981 Comment
  CAS-BOT-BC42755  Erigeron eatonii var. plantagineus Alice Eastwood; John Thomas Howell 1940-6-15 8286 Modoc About 15 mi. N of Lookout. Comment
  CAS-BOT-BC42762  Erigeron eatonii var. plantagineus John Thomas Howell 1934-7-3 12379 Modoc 5 mi S of Hackamore. Comment
  CAS-BOT-BC42787  Erigeron eatonii var. plantagineus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10585 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mountains Comment
  CAS-BOT-BC42790  Erigeron eatonii var. plantagineus Barrett Anderson 1986-7-9 3168 Modoc Stough Reservoir Road, just E of Cedar Pass near Stough Reservoir, Warner Mountains 1965 Comment
  CAS-BOT-BC42796  Erigeron eatonii var. plantagineus Bruce Bartholomew; Barrett Anderson 1989-6-3 4904 Modoc ca. 5 km NW of Egg Lake and ca. 0.8 km W of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC42798  Erigeron eatonii var. plantagineus Rimo Carlo Felice Bacigalupi; Guy Thomas Robbins 1955-7-20 5394 Modoc At summit of forest road across southern end of Warner Mtns., 3.3 mi E of Patterson Ranger Station, Modoc N.F. 2225 Comment
  POM261455  Erigeron eatonii var. plantagineus Alice Eastwood, John Thomas Howell 1940-6-15 8286 Modoc About 15 miles N of Lookout Comment
  UC711883  Erigeron eatonii var. plantagineus Roxana S. Ferris and Laura Lorraine 1941-8-14 10585 Modoc 3 mi from Patterson Ranger Station (on road to Eagleville); Warner Mountains, Modoc National Forest Comment
  UC76015  Erigeron eatonii var. plantagineus Milo S. Baker 1893-1 Modoc Forestdale Comment
  HSC81104  Erigeron eatonii var. plantagineus G. M. Riegel 1980-8-13 1063 Modoc S Warner Mts. 2100 Comment
  JEPS15467  Erigeron eatonii var. plantagineus Joseph and Hilda W. Grinnell 1938-6-16 1113 a Modoc Cedar Pass summit Warner Mountains 1920 Comment
  SEINET11841733  Erigeron eatonii var. plantagineus A. Seneres, Harold, N. 1983-1 111 Modoc Warner Mountains Comment
  CAS-BOT-BC42765  Erigeron elegantulus Dean William Taylor; Robert Allen Price 1988-6-4 9764 Modoc Tule Lake Basin, along road to Lava Beds National Monument, ca. 6.6 mi W of Hwy 139. 1280 Comment
  CAS-BOT-BC42775  Erigeron filifolius Bruce Bartholomew 1989-7-15 5009 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  UC71825  Erigeron filifolius Mrs. M. H. Manning 559 Modoc Mt. Bidwell 2438 Comment
  CAS-BOT-BC42772  Erigeron filifolius Annie Montague Alexander; L. Kellogg 1946-6-18 4790 Modoc Patterson Mill Road. Comment
  HSC5082  Erigeron glacialis var. glacialis M. T. Milligan 1964-7-25 176 Modoc Pine Creek Basin, along trail. 2439 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
  JEPS5926  Erigeron glacialis var. glacialis Frances D. Payne 1931-6-29 305 Modoc e slope Warner Peak; Warner Mountains, Warner Peak 2286 Comment
  CAS-BOT-BC49632  Erigeron inornatus var. inornatus Francis Dorris Payne 1931-6-11 148 Modoc Parker Creek. 1584 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
  HSC67879  Erigeron inornatus var. inornatus J. P. Smith, J. O. Sawyer 1973-8-8 7250 Modoc 1.5 mi. N of Patterson Guard Station on Summit Trail, S Warner Wilderness 2439 Comment
  UC71822  Erigeron inornatus var. inornatus Mrs. M. H. Manning 1903-8-22 293 Modoc Warner Range Warner Range (ne Modoc County) Comment
  CAS-BOT-BC49603  Erigeron linearis Bruce Bartholomew; Barrett Anderson 1989-6-2 4825 Modoc 9.7 km E of Eagleville at the California state border, E side of Surprise Valley. 1550 Comment
  CHSC70466  Erigeron linearis A. Sanger 1997-6-3 2482 Modoc Along Mowitz Rd., at Bowles Cr. crossing. 1463 Comment
  UC748382  Erigeron linearis Annie M. Alexander and Louise Kellogg 1946-6-27 4851 Modoc top of ridge, 2 mi by road from Dismal Swamp (n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  CAS-BOT-BC49589  Erigeron tener Annie Montague Alexander; L. Kellogg 1946-7-23 5045 Modoc Emerson Peak. Comment
  CAS-BOT-BC197831  Eriogonum caespitosum Elmer Ivan Applegate 1932-7-9 7605 Modoc Bidwell Mountain, Warner Mts. Comment
  RSA293359  Eriogonum douglasii var. douglasii Reino Alava 1957-7-5 1155 Modoc Cedar Pass, Modoc National Forest, Warner Mountains Comment
  CAS-BOT-BC197829  Eriogonum douglasii var. meridionale P. Monnet 1913-7-1 903 Modoc Warner's Peak, Warner's Range. 2926 Comment
  CAS-BOT-BC197820  Eriogonum elatum Bruce Bartholomew 1991-8-5 6077 Modoc Summit Trail, between Squaw Peak and Pepperdine, W side of Warner Mts. 2240 Comment
  RSA601441  Eriogonum heracleoides var. heracleoides Louis C. Wheeler 1935-8-2 3750 Modoc Warner Mountains: Twenty Mile Creek. 2195 Comment
  CHSC114006  Eriogonum nudum var. pubiflorum L. P. Janeway 2014-7-8 11463 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  RSA101375  Eriogonum nudum var. pubiflorum R. Weatherby 1955-7-8 1637 Modoc 3 mi. north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  RSA165444  Eriogonum nudum var. pubiflorum Clare B. Hardham 1961-6-19 7842 Modoc Willow Creek. Comment
  SEINET11261578  Eriogonum nudum var. pubiflorum Richard R. Halse 2004-7-22 6671 Modoc Along U.S. Hwy 395, ca 6 miles north of Alturus.; 0 1341 Comment
  SEINET11261580  Eriogonum nudum var. pubiflorum Richard R. Halse 1991-7-28 4244 Modoc Along State Hwy 139, 13 miles northwest of its junction with State Hwy 299.; 0 1469 Comment
  CAS-BOT-BC211433  Eriogonum nudum var. pubiflorum Leland S. Smith 1922-7-15 1270 Modoc Dry lake country T43-8 1432 Comment
  SEINET11261586  Eriogonum nudum var. pubiflorum Noel H. Holmgren, James L. Reveal 1964-8-21 1717 Modoc Warner Range, about 5 miles southwest of Eagleville on the Eagleville-Likely Road.; 0 Comment
  SEINET5330947  Eriogonum nudum var. pubiflorum J. Gentry Jr. 1968-7-4 2114 Modoc 3.9 miles west of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 299 at Pit River. 1341 Comment
  CHSC27615  Eriogonum ovalifolium var. nivale Robert Schlising 1978-7-29 3325 Modoc Warner Mountains, directly E of Warren Peak, just off summit of trail. 2852 Comment
  HSC80861  Eriogonum prociduum var. prociduum G. M. Riegel 1980-8-9 1030 Modoc S Warner Mtns. 1829 Comment
  RSA0028054  Eriogonum sphaerocephalum John F. Emmel 1997-6-8 1496 Modoc 3 to 4 road miles east of Hwy. 395 on Hwy. 299 (Cedarville Road). 1524 Comment
  CHSC117034  Eriogonum sphaerocephalum var. halimioides Lowell Ahart; John Dittes 2016-6-6 20953 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  POM268130  Eriogonum sphaerocephalum var. halimioides Marion Ownbey 1940-7-1 2151 Modoc Cedar Peak, Warner Mts. Comment
  SEINET5331614  Eriogonum sphaerocephalum var. halimioides M. J. Williams, Gladys Smith 1983-9-13 83- 153 -2 Modoc 1.6 mi beyond campground on Stowe Reservoir road, N of Cedar Pass Rd., Warner Mtns. 2012 Comment
  UC585152  Eriogonum sphaerocephalum var. halimioides E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1797 Modoc hill above Lake City 1515 Comment
  CAS-BOT-BC211359  Eriogonum strictum subsp. anserinum John Thomas Howell 1934-6-30 12259 Modoc Duncan Horse Camp. 1355 Comment
  NY283219  Eriogonum strictum var. anserinum M. J. Williams 1988-5-30 8826- 9 Modoc Jess Valley, east of Likely, south of roadside rest. 1524.0 Comment
  UC849658  Eriogonum strictum var. anserinum C. L. Hitchcock 1940-5-27 6656 Modoc 9 mi ne Alturas 1402 Comment
  CAS-BOT-BC497224  Eriogonum strictum var. proliferum Margaret J. Williams 1988-5-30 88- 26 -9 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC211373  Eriogonum umbellatum K. Paulson; Robert Paulson 1988-5-22 7 Modoc Devil's Garden. 1432 Comment
  CAS-BOT-BC211329  Eriogonum umbellatum var. dichrocephalum Louis Cutter Wheeler 1935-8-14 3843 Modoc Pine Creek, Warner Mts. 2011 Comment
  CHSC32965  Eriogonum umbellatum var. dichrocephalum J. P. Smith; J. O. Sawyer 1973-8-8 7230 Modoc At or near the summit of Eagle Peak. 2987 Comment
  UC71799  Eriogonum umbellatum var. modocense Mrs. M. H. Manning June 1903 155 Modoc Mt. Bidwell 1676 Comment
  HSC17347  Eriogonum umbellatum var. modocense M. T. Milligan 1964-6-20 47 Modoc E A St. near Hwy. 395, Alturas 1372 Comment
  SJSU9142  Eriogonum umbellatum var. nevadense R. L. Fisher 1958-6-13 Modoc by Hwy 299, 10 mi W of Alturas Comment
  CAS-BOT-BC197623  Eriogonum umbellatum var. polyanthum Margaret J. Williams; et al 1988-5-30 88- 26 -2 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  CAS-BOT-BC197776  Eriogonum umbellatum var. polyanthum Alice Eastwood; John Thomas Howell 1940-6-13 8115 Modoc Surprise. Comment
  CAS-BOT-BC197779  Eriogonum umbellatum var. polyanthum Bruce Bartholomew 1989-7-15 5017 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  RSA78910  Eriogonum umbellatum var. polyanthum E. K. Balls, Percy C. Everett 1952-10-10 18151 Modoc Above S. Fk. Public Camp, 8 mi. E. of Likely on road to Jess Valley. 1555 Comment
  CAS-BOT-BC197595  Eriogonum vimineum Frank Warrington Peirson 1926-6-24 6856 Modoc Near a small lake about 3 mi E of Alturus. Comment
  NY399582  Eriogonum vimineum B. M. Bartholomew 1990-7-21 5553 Modoc West edge of Middle Alkali Lake, directly east of Cedarville, Surprise Valley 1370 Comment
  SEINET5341981  Eriogonum vimineum R. R. Halse 2010-8-25 8084 Modoc Along State Hwy 139 ca. 25.5 miles northwest of its junction with State Hwy. 299, Modoc National Forest 1278 Comment
  UC1093643  Eriogonum vimineum Herbert L. Mason 1947-7-10 13335 Modoc 2 air mi e Alturas (on mesa); Doris Reservoir 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-BC49551  Eriophyllum lanatum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 60 Modoc Above Parker Creek at Modoc N.F. boundary Comment
  CAS-BOT-BC49561  Eriophyllum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-21 4461 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  HSC81111  Eriophyllum lanatum var. achilleoides G. M. Riegel 1980-7-28 954 Modoc South Warner Mtns. 1739 Comment
  OBI49172  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1940-6-13 40544 Modoc Surprise, NE of Alturas 1372 Comment
  POM358024  Eriophyllum lanatum var. achilleoides Christopher Davidson 1975-6-4 2611 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  UC1484471  Eriophyllum lanatum var. achilleoides Dale E. Johnson with J. E. Eckenwalder 1974-6-15 130 Modoc 1.6 w of crossing of Pit River on Hwy 299 (Adin-Canby road) (sw of Canby); Hwy 299, Pit River Comment
  UC31682  Eriophyllum lanatum var. achilleoides Milo S. Baker 1893-6 Modoc Comment
  UC619264  Eriophyllum lanatum var. achilleoides Joseph and Hilda Grinnell 1938-7-16 1112 a Modoc Cedar Pass summit Warner Mountains, Cedar Pass summit 1935 Comment
  CAS-BOT-BC301766  Eriophyllum multicaule Lemmon 1878-5-1 s.n. Modoc Surprise Val. Comment
  CAS-BOT-BC180085  Erodium cicutarium Bruce Bartholomew; Mona Bourell 1990-4-26 5150 Modoc 0.5 km S of Day. 1100 Comment
  JEPS127182  Erodium cicutarium Lowell Ahart, John Dittes 2016-7-14 21173 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
  HSC8487  Erodium cicutarium M. T. Milligan 1964-6-4 21 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  JEPS61388  Erodium cicutarium L. S. Smith 1919-5-7 1094 Modoc Warner Mts. Comment
  JEPS16996  Eryngium alismifolium M. S. Baker and Franklin P. Nutting 1894-8-30 Modoc Egg Lake Comment
  JEPS16997  Eryngium alismifolium L. S. Smith 1920-7-15 1177 Modoc n. of Devils Garden district Crowder Flat Comment
  CHSC100392  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
  HSC94014  Eryngium articulatum L. C. Wheeler 1935-9-13 3985 Modoc Devil's Garden: Fletcher Creek at Pease Place. 1524 Comment
  SJSU9689  Eryngium articulatum W. Savage 1979-7-24 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  CHSC67323  Eryngium mathiasiae James D. Jokerst 1986-8-11 2760 Modoc Radar Site Survey S of Doublehead Mtn., S of road to Doublehead Mtn. Comment
  RSA0089587  Eryngium mathiasiae Dean Wm. Taylor, Glenn L. Clifton 1988-8-11 10042 Modoc Near Lone Pine Lake. 1383 Comment
  UC1510462  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc near Double Head Mt. (Modoc Nat'l Forest); Modoc Nat'l Forest Comment
  CAS-BOT-BC184097  Eryngium mathiasiae B. Bartholomew 1989-8-10 5041 Modoc Little Hot Spring Valley, 3.9 km NW of Day 1070 Comment
  CDA38313  Eryngium mathiasiae J. Kelley 1981-7-27 s.n. Modoc Highway 139, Alturas. 0 Comment
  POM95422  Erysimum capitatum Mrs. R. M. Austin, Bruce 1898-06 2252 Modoc Lake City Mt. Comment
  RSA149079  Erysimum capitatum I. L. Wiggins, Dorothy Wiggins 1961-6-15 16497 Modoc SE flank of Glass Mtn, near Modoc-Siskiyou Co line. Comment
  CAS-BOT-BC58330  Erysimum capitatum var. capitatum Elmer Ivan Applegate 1932-8-1 8030 Modoc Arid summit of Warner Mts. just S of Warren Peak. Comment
  CDA3715  Erysimum cheiranthoides T. C. Fuller 1958-8-12 2071 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC58336  Erysimum repandum Francis Dorris Payne 1932-5-27 410 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC58338  Erysimum repandum E. S. Willits 1940-5-6 221 Modoc Near Lassen Creek, Willow Ranch. Comment
  CAS-BOT-BC58341  Erysimum repandum Edward Kent Balls 1950-5-13 14664 Modoc Goose Lake, E shore, about Willow Ranch. 1463 Comment
  UCD115019  Erysimum repandum W. A. Harvey 1954-6-3 s.n. Modoc in field on Al Lindgren Ranch, 2 miles northeast of Alturas. Comment
  CAS-BOT-BC229907  Erythranthe breweri Bruce Bartholomew 1991-7-7 6004 Modoc SE end of Sweargart Flat. 1820 Comment
  CAS-BOT-BC234528  Erythranthe lewisii Bruce Bartholomew; Barrett Anderson 1988-7-22 4525 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CAS-BOT-BC234505  Erythranthe microphylla K. Paulson 1978-6-24 s.n. Modoc Curtis Water Hole. Comment
  CAS-BOT-BC234478  Erythranthe moniliformis Annie Montague Alexander; L. Kellogg 1946-7-7 4957 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC234427  Erythranthe pulsiferae Bruce Bartholomew 1992-5-16 6320 Modoc Lunsford Spring. 1600 Comment
  CAS-BOT-BC234430  Erythranthe suksdorfii Annie Montague Alexander; L. Kellogg 1946-7-24 5078 Modoc Bear Camp Flat. 2286 Comment
  CAS-BOT-BC234436  Erythranthe tilingii V. J. Wetherell 1961-8-9 483 Modoc Stowe Reservoir Campground, 1 mi. E of Cedar Pass. 1828 Comment
  CAS-BOT-BC190756  Eschscholzia californica Bruce Bartholomew; Barrett Anderson 1989-6-3 4917 Modoc 9 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  CAS-BOT-BC95709  Euphorbia serpillifolia Bruce Bartholomew 1989-7-14 4961 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CAS-BOT-BC95711  Euphorbia serpillifolia Belknap C. Goldsmith 1912-8-6 84 Modoc W side of Goose Lake. 1463 Comment
  CAS-BOT-BC15161  Eurybia integrifolia Bruce Bartholomew; Barrett Anderson 1990-7-20 5508 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  HSC81016  Eurybia integrifolia G. M. Riegel 1979-8-11 640 Modoc S Warner Mtns. 1670 Comment
  CHSC100429  Euthamia occidentalis Lowell Ahart; John Dittes 2008-8-25 15283 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
  UC1024907  Festuca idahoensis Leo Whitney 1935-5-19 3103 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UC1024985  Festuca idahoensis Leo Whitney 1935-7-5 3408 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  CDA2095  Festuca pratensis T. C. Fuller 1958-7-8 2017 Modoc Davis Creek. 0 Comment
  POM182007  Floerkea proserpinacoides F. W. Peirson 1926-6-25 6888 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  UC1060654  Floerkea proserpinacoides Herbert L. Mason 1957-7-6 14717 Modoc Warner Mountains, Mill Creek Mill Creek; Warner Mountains, Mill Creek Comment
  RSA165632  Floerkea proserpinacoides Clare B. Hardham 1961-6-17 s.n. Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  CAS-BOT-BC214649  Fragaria virginiana Bruce Bartholomew 1994-5-29 6743 Modoc Slopes adjacent to Roney Flat. 1460 Comment
  HSC80697  Fragaria virginiana G. M. Riegel 1980-7-10 864 Modoc S Warner Mtns. 2100 Comment
  HSC77965  Fritillaria atropurpurea O. Ballantyne 1983-7-20 Modoc S Warner Mtn., Patterson Station 2134 Comment
  RSA367713  Fritillaria atropurpurea George Willet 1935-6-21 s.n. Modoc Warner Mountains 2439 Comment
  SEINET8478733  Fritillaria atropurpurea M. J. Williams 1968-1 Modoc Comment
  CHSC30634  Fritillaria pudica N. E. H. Prouty 1980-6-2 171 Modoc Sheep Rock T. S. Rising above Dry Creek. Modoc Nat. Forest, Warner Mt. District. Comment
  CDA40747  Galeopsis tetrahit T. C. Fuller 1958-7-8 1973 Modoc Corporation Ranch, Likely. 0 Comment
  UC1446111  Galium glabrescens subsp. modocense Gary Schoolcraft 1979-8-9 172 Modoc at base of large rocks w Ten Mile Creek (n of drainage to w) 1767 Comment
  UC748483 Image available Galium glabrescens subsp. modocense Annie M. Alexander and Louise Kellogg 1946-7-14 5071 Modoc open slope of Horse Mountain; Warner Mountains; Horse Mt., Warner Mts., Modoc Co. Comment
  CAS-BOT-BC497345  Galium glabrescens subsp. modocense G. Schoolcraft 1999-6-9 2830 Modoc Lower slopes of Warner Mtns., 3.5 mi N of Eagleville 1584 Comment
  UC1192011  Galium mexicanum var. asperulum Verne Grant and Irving Schneider 1947-7-22 8140 Modoc on Hwy 395 about 1 mi n junction with Cedarville road; North Fork of Pit River Comment
  UC748108  Galium multiflorum Annie M. Alexander and Louise Kellogg 1946-7-5 4909 Modoc lava cliff w Lower Lake Comment
  JEPS27648  Galium serpenticum subsp. warnerense Lauramay T. Dempster and Clare Hardham 1961-6-19 1710 Modoc mouth of canyon just se New Pine Creek; ; southeast of New Pine Creek, Modoc. Co. Comment
  RSA612595  Galium trifidum Louis C. Wheeler 1935-8-1 3740 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 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
  HSC65609  Galium triflorum Thomas Wood 1979-8-10 245 Modoc 1.1 mi. E of Modoc National Forest boundary on Mill Creek Basin Rd. 1549 Comment
  CAS-BOT-BC190845  Gayophytum diffusum subsp. diffusum Robert J. Weatherby 1955-7-8 1609 Modoc 7 mi. N of Fort Bidwell. 1874 Comment
  CAS-BOT-BC190838  Gayophytum diffusum subsp. parviflorum Elmer Ivan Applegate 1932-8-2 8064 Modoc Mill Creek Meadow, western slope of Warner Mts. Comment
  POM204162  Gayophytum heterozygum J. T. Howell 1934-6-12 12066 Modoc Fandango Pass, Warner Mountains 1829 Comment
  HSC31368  Gayophytum humile D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19374 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  HSC16401  Gayophytum racemosum M. T. Milligan 1964-6-20 68 Modoc 4 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  UC566922  Gentiana affinis var. ovata F. H. Frost 1925-7-27 169 Modoc Clear Lake Warner Mts. Comment
  UC187819  Gentianopsis simplex Mrs. R. M. Austin Aug, 1894 95 Modoc head waters of Lassen Creek Comment
  CAS-BOT-BC180058  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-7-3 4901 Modoc Bidwell Creek Canyon, 5 mi. W of Fort Bidwell. Comment
  CAS-BOT-BC180071  Geranium viscosissimum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16399 Modoc Along Thoms Creek, 6.1 mi. E of Hwy 299, along Cedar Pass road. Comment
  CAS-BOT-BC180072  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-30 4878 Modoc Highgrade, W side of ridge. 2377 Comment
  CAS-BOT-BC180074  Geranium viscosissimum Barrett Anderson 1986-7-9 3137 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC180077  Geranium viscosissimum John H. Hatton 1911-6-13 79 Modoc Modoc County. 1389 Comment
  JEPS61451  Geranium viscosissimum Frances D. Payne 1931-6-17 164 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1192240  Geranium viscosissimum Verne Grant and Irving Schneider 1947-7-22 8145 Modoc about 1 mi n Highway 395 junction with Cedarville road (on Highway 395); North Fork of Pit River Comment
  CAS-BOT-BC180065  Geranium viscosissimum P. Monnet 1913-7-7 935 Modoc Warner's Range. Comment
  JEPS61436  Geranium viscosissimum Leland S. Smith 1918-7-21 1002 Modoc Blue Lake Modoc Forest 1828 Comment
  NY1101444  Geranium viscosissimum var. nervosum B. Anderson 1986-7-9 3137 Modoc Poney Flat Rd just off Hwy 299 1435 Comment
  RSA0029591  Geranium viscosissimum var. nervosum Mrs. R. M. Austin 1895-07 525 Modoc Davis Creek Comment
  UC71600  Geum macrophyllum Mrs. M. H. Manning 1903-6 172 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  POM91889  Geum macrophyllum R. M. Austin 1895-07 526 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC214661  Geum triflorum Annie Montague Alexander; L. Kellogg 1946-7-11 4974 Modoc Eight Mile Creek, NE corner of County. Comment
  CAS-BOT-BC214664  Geum triflorum Elmer Ivan Applegate 1932-8-1 8032 Modoc High summit of Warner Mts. just S of Warren Peak. Comment
  CAS-BOT-BC214675  Geum triflorum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6502 Modoc SE side of Hager Basin, along Crowder Flat Road. 1680 Comment
  CAS-BOT-BC214681  Geum triflorum Alice Eastwood; John Thomas Howell 1940-6-14 8217 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC214682  Geum triflorum Leland S. Smith 1917-7-2 60 Modoc Shields Creek. 2316 Comment
  HSC27360  Geum triflorum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19433 Modoc Near Hager Reservoir Comment
  CAS-BOT-BC214662  Geum triflorum Elmer Ivan Applegate 1936-5-11 10273 Modoc Post Office Cavern, Lava Beds National Monument. Comment
  CAS-BOT-BC214684  Geum triflorum M. M. Hanna 1956-6-7 1015 Modoc Hiway 139 between Canby & Tienesla Comment
  RSA59708  Geum triflorum var. ciliatum E. K. Balls 1950-5-20 14792 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 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
  JEPS69672  Gilia malior Mary H. Manning before Aug. 1918 Modoc Comment
  CAS-BOT-BC190659  Gilia salticola C. C. (Mrs.) Bruce 1898-6-1 2328 pp Modoc Near Likely. Comment
  CAS-BOT-BC190673  Gilia sinistra subsp. sinistra Louis Cutter Wheeler 1935-8-13 3833 Modoc Barnes Creek, Warner Mts. 1828 Comment
  UCD66754  Glyceria borealis L. Whitney 1934-6-2 2175 Modoc Lake Joaquina, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  HSC10062  Glyceria elata M. T. Milligan 1966-7-1 518 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC49571  Glyptopleura marginata Bruce Bartholomew 1993-6-13 6621 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC49529  Gnaphalium palustre Annie Montague Alexander; L. Kellogg 1946-7-6 4913 Modoc 3.5 mi. E of Eagleville. Comment
  HSC67887  Gnaphalium palustre J. P. Smith, J. O. Sawyer 1973-8-9 7260 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  JEPS117376  Gnaphalium palustre Lowell Ahart, John Dittes 2010-8-30 17075 Modoc 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. Comment
  JEPS33989  Gnaphalium palustre W. L. Jepson 1918-8-12 7951 Modoc Jess Valley 1584 Comment
  UC71856  Goodyera oblongifolia Mrs. M. H. Manning 1903-9-2 369 Modoc John Henry Camp, in north-eastern Modoc County John Henry Camp 1828 Comment
  RSA424793  Gratiola ebracteata Louis C. Wheeler 1935-8-22 3909 Modoc Devil's Garden: South Mt. Reservoir. 1524 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
  JEPS4211  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-18 8038 Modoc Eastside Canal s Alturas (5 mi n of Bayley's bridge); Eastside Canal Comment
  CAS-BOT-BC95536  Grayia spinosa Bruce Bartholomew 1990-6-17 5292 Modoc Surprise Valley, W side of Lower Alkali Lake, 5.6 km N of Lassen County border. 1370 Comment
  CAS-BOT-BC95538  Grayia spinosa E. S. Willits 1940-6-9 342 Modoc Cedarville Comment
  CAS-BOT-BC304879  Grindelia hirsutula L. S. Smith 1925-7-1 1507 Modoc Modoc National Forest. Webb Flat above Egg Lake 1310 Comment
  CAS-BOT-BC49544  Grindelia hirsutula Francis Dorris Payne 1932-8-23 Modoc Shield Creek. 1645 Comment
  SEINET3146837  Grindelia hirsutula M. S. Baker sn Modoc Forest Dale Comment
  POM41632  Grindelia nana Mrs. R. M. Austin 1895-07 572 Modoc Goose Lake Valley. 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
  RSA496336  Hackelia californica Elaine Joyal, D. Mehlman 1988-6-28 1290 Modoc N Warner Mts., ridge road. 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
  RSA531353  Hackelia micrantha Bruce Bartholomew, B. Anderson 1988-6-24 4302 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  RSA644031  Hackelia micrantha Elaine Joyal, D. Mehlman 1988-6-28 1291 Modoc N. Warner Mts., ridge road. 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
  UCD132790  Helianthus annuus Annetta Carter 1946-8-18 1775 Modoc along roadside in open valley, Round Valley, 3 miles northeast of Adin. 1402 Comment
  UC134684  Helianthus nuttallii subsp. nuttallii Mrs. R. M. Austin 1894-7-1 Modoc above Alturas; Pit River Comment
  UC1191655  Heliotropium curassavicum Herbert L. Mason and Verne Grant 1947-7-12 13411 Modoc s.w. of Alturas (w. side of S. Fork of Pit R. Valley); S. Fork of Pit R. Valley Comment
  RSA210865  Heliotropium curassavicum var. oculatum R. F. Thorne, J. Hendrickson, C. W. Tilforth 1969-9-4 39075 Modoc East shore of Goose Lake at Willow Ranch 1433 Comment
  JEPS103206  Heliotropium europaeum G. Schoolcraft 1987-9-9 1777 Modoc Along Ash Valley Road about 1/2 miles east of Adin 1280 Comment
  CAS-BOT-BC21463  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-BC21473  Heracleum lanatum Annie Montague Alexander; L. Kellogg 1946-7-12 4982 Modoc Twelve Mile Creek. Comment
  CHSC85194  Hesperochiron californicus John Dittes; Josephine Guardino 1991-6-1 372 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-BC179173  Hesperolinon micranthum Frances D. Payne 1932-7-8 670 Modoc Parker Creek. 1584 Comment
  UC17266  Hesperolinon micranthum Baker Modoc Little Hot Spring Valley Comment
  UC217547  Hesperostipa comata H. M. Hall 1921-9-9 11663 Modoc 6 mi from Malin (northern Modoc Co.) Comment
  SJSU9369  Heteranthera dubia W. Savage 1979-7-3 1275 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC225788  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-3 4902 Modoc Fort Bidwell Creek Canyon, 3.5 mi. W of Fort Bidwell. Comment
  NY541345  Heuchera cylindrica L. C. Wheeler 1935-8-7 3804 Modoc Pine Creek, Warner Mountains 1554.5 Comment
  SEINET195677  Heuchera cylindrica Annie M. Alexander, L Kellogg 1946-7-23 5042 Modoc Warner Mountains east slope of Emerson Peak Comment
  NY783477  Heuchera rubescens A. J. Cronquist 1959-6-19 8504 Modoc Atop ridge south of Mill Creek, a little above Clear Lake; Warner Mountains 1981.2 Comment
  POM229874  Hieracium albiflorum L. C. Wheeler 1935-8-14 3837 Modoc Pine Creek. Warner Mtns. 2011 Comment
  UC32777  Hieracium albiflorum Milo S. Baker 1893-7-6 Modoc Comment
  UC565557  Hieracium albiflorum F. H. Frost 1925-7-24 Modoc Clear Lake Warner Mts. Comment
  SD61018  Hieracium cynoglossoides Darley F. Howe 1964-7-31 Modoc 8.5 miles from entrance to Modoc National Forest on road from Likely. 1555 Comment
  CAS-BOT-BC49477  Hieracium scouleri Bruce Bartholomew 1989-8-12 5116 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 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-BC49485  Hieracium scouleri Alice Eastwood; John Thomas Howell 1940-6-15 8284 Modoc About 15 mi. N of Lookout. Comment
  CAS-BOT-BC49514  Hieracium scouleri John Thomas Howell 1934-6-11 11955 Modoc Parker Creek, Warner Mountains 1584 Comment
  HSC67889  Hieracium scouleri J. P. Smith, J. O. Sawyer 1973-8-9 7263 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  JEPS5991  Hieracium scouleri Frances D. Payne 1932-7-3 674 Modoc s and e Alturas; Warner Mountains, Parker Creek Canyon 1584 Comment
  UC71691  Hieracium scouleri Mrs. M. H. Manning 1903-6-1 163 a Modoc near Fort Bidwell (ne Modoc County) Comment
  JEPS36590  Hieracium scouleri L. S. Smith 1918-7-22 1004 Modoc Blue Lake Modoc Forest, Blue Lake 1828 Comment
  RSA606146  Hieracium scouleri L. C. Wheeler 1935-8-14 3837 Modoc Pine Creek. Warner Mtns. 2011 Comment
  UC1191993  Hippuris vulgaris Herbert L. Mason and Verne Grant 1947-7-12 13429 Modoc n. Likely (s. loop of w. side of rd.) Comment
  CAS-BOT-BC214696  Holodiscus microphyllus var. glabrescens Francis Dorris Payne 1929-7-26 109 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC214701  Holodiscus microphyllus var. glabrescens A. D. Borden 1911-7-28 s.n. Modoc Top rim S side of Parker Creek. Comment
  CAS-BOT-BC214704  Holodiscus microphyllus var. glabrescens Bruce Bartholomew 1989-7-15 5018 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CDA14600  Holodiscus microphyllus var. glabrescens G. D. Barbe 1991-8-27 4440 Modoc Warner Mountains; Windswept ridge east of Bald Mountain, Modoc National Forest. 2316 Comment
  HSC18678  Holodiscus microphyllus var. glabrescens M. T. Milligan 1966-7-5 558 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  HSC40616  Holodiscus microphyllus var. glabrescens J. P. Smith, J. O. Sawyer 1973-8-8 7244 Modoc S slopes of Eagle Peak 2561 Comment
  JEPS45108  Holodiscus microphyllus var. glabrescens L. S. Smith 1918-8-11 1029 Modoc Camp One Lost Lake (Lost Lake, Modoc Forest); Modoc Forest, Lost Lake 3017 Comment
  CAS-BOT-BC214702  Holodiscus microphyllus var. glabrescens Leland S. Smith 1924-6-29 1448 Modoc In rocks near Lava Ranger Station. Comment
  CHSC107344  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart; John Dittes 2011-6-22 17541 Modoc On the west side of the road, about 3 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
  SEINET190959 Image available Hordeum geniculatum A. A. Beetle 1941-5-29 2839 Modoc Near summit of Mt. Adin. 1829 Comment
  UC70672  Hordeum jubatum Mrs. M. H. Manning June 1903 404 Modoc North-Eastern Modoc County Comment
  UCD14404  Hordeum jubatum Sheryl Gill 1996-9-3 s.n. Modoc At the Tule Lake National Wildlife Refuge - 'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump; 'Captain Jack's Stronghold' GS map quad; 1229 Comment
  UCD85760  Hordeum jubatum Herbert L. Mason 1947-8-9 13478 Modoc E side of Fairchild Swamp, N of Alturas. Comment
  CAS-BOT-BC181966  Hosackia crassifolia Alice Eastwood; John Thomas Howell 1940-6-11 8013 Modoc 6 mi NE of Adin on road to Canby. Comment
  CAS-BOT-BC179328  Hydrophyllum capitatum var. alpinum Robert J. Weatherby 1955-7-7 1602 Modoc Dismal Swamp. 2240 Comment
  CAS-BOT-BC179333  Hydrophyllum capitatum var. alpinum Elmer Ivan Applegate 1932-7-9 7588 Modoc N slope of Bidwell Mountain. Comment
  CAS-BOT-BC180028  Hydrophyllum capitatum var. alpinum E. S. Willits 1940-5-4 215 Modoc Willow Ranch. Comment
  UC24085  Hydrophyllum capitatum var. alpinum Mrs. R. M. Austin May 1894 Modoc Davis Creek 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
  UCR18720  Hydrophyllum capitatum var. alpinum Frank C. Vasek 1975-5-21 750521- 02 Modoc Timbered Mtn. About 25 mi north of Aden 1653 Comment
  RSA420900  Hydrophyllum capitatum var. alpinum Christopher Davidson 1973-5-26 2717 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA727897  Hymenolobus procumbens Noel Holmgren, Patricia K. Holmgren 1998-5-30 12995 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) E of downtown Cedarville, at turnoff to some hotsprings. 1370 Comment
  JEPS35530  Hymenoxys hoopesii W. L. Jepson 1918-8-7 7873 Modoc Mount Bidwell 2438 Comment
  JEPS66827  Hypericum formosum var. scouleri Leland S. Smith 1924-6-29 1436 Modoc Happy Camp Ranger Station Modoc Forest, Happy Camp Ranger Station 1371 Comment
  CAS-BOT-BC58446  Idahoa scapigera F. Angwin 1946-3-31 Modoc Adin. 1371 Comment
  JEPS67377  Iliamna bakeri Milo S. Baker 1898-8-21 554 Modoc in lava between Hot Spring Valley and Hills Comment
  RSA78914  Iliamna bakeri E. K. Balls, P. C. Everett 1952-10-11 18155 Modoc 0.2 miles SE of crest of Fandango Pass, Warner Mountains. 1860 Comment
  SJSU11428  Ipomopsis aggregata H. L. Buckalew 1961-6-28 Modoc Fandango Pass Rd near Fandango Pass 1828 Comment
  CAS-BOT-BC190656  Ipomopsis aggregata subsp. aggregata John H. Hatton 1911-6-23 155 Modoc Modoc County. 1676 Comment
  JEPS69740  Ipomopsis congesta Milo S. Baker 1893-8-10 Modoc 1219 Comment
  UC449787  Ipomopsis congesta M. F. Gilman 510 Modoc Comment
  CHSC27611  Ipomopsis congesta subsp. montana Robert Schlising 1978-7-29 3326 Modoc Warner Mountains, directly E of Warren Peak; just off summit of trail. 2852 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-BC190634  Ipomopsis tenuituba Alice Eastwood; John Thomas Howell 1940-6-13 8159 Modoc E side of Fandango Pass. Comment
  CAS-BOT-BC245105  Iris missouriensis M. M. Hanna 1956-6-7 1022 Modoc Hwy 395, 0.25 mi N of Davis Creek. Comment
  UC1713586  Iris missouriensis Mrs. M. H. Manning 1904-7-16 56 Modoc Tamarack Flat Mt. Bidwell (ne Modoc County) 2438 Comment
  NY411179  Isatis tinctoria M. J. Williams 1984-6-29 84- 73 --1 Modoc Fandango Pass road, Warner Mountains. 0.8 mi E of Hwy 395. 1463.0 Comment
  CAS-BOT-BC30187  Isoetes bolanderi Louis Cutter Wheeler 1935-8-14 3857 Modoc Cave Lake, Warner Mts. 2072 Comment
  RSA639341  Isoetes bolanderi L. C. Wheeler 1935-8-14 3857 Modoc Cave Lake, Pine Creek, Warner Mtns. (Mt Diablo Mer.) 2073 Comment
  JEPS47196  Ivesia gordonii Frances D. Payne 1931-6-29 302 C Modoc e slope Mt. Warren; Warner Mountains 2286 Comment
  UC1553372  Ivesia gordonii Sch/Yor/Hor/Ach 1988-7-16 1833 Modoc e slope Squaw Peak; Warner Mountains 2560 Comment
  UC748065  Ivesia gordonii Annie M. Alexander and Louise Kellogg 1946-8-9 5140 Modoc Patterson Lake Trail; Warner Mountains Comment
  JEPS114381  Juncus ambiguus Lowell Ahart, John Dittes 2008-6-21 15002 Modoc On damp to dry bare soil, around a new man made shallow pond, mountain meadow, in Big Valley, about 3.3 miles (air) north-northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.0 miles (air) northeast of Bieber 1260 Comment
  CAS-BOT-BC245078  Juncus balticus subsp. ater John H. Hatton 1911-6-12 53 Modoc unspecified 1463 Comment
  CAS-BOT-BC10595  Juncus brachyphyllus John Thomas Howell 1934-7-3 12373 Modoc 5 mi. S of Hackamore. Comment
  CHSC117141  Juncus bufonius var. occidentalis Lowell Ahart; John Dittes 2016-7-14 21205 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of Cdounty Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC116079  Juncus ensifolius Lowell Ahart; John Dittes 2015-7-16 20394 A 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
  UC1536801  Juncus ensifolius Gordon H. True Jr. 1939-6-30 1018 Modoc e of Alturas; Parker Creek Comment
  CAS-BOT-BC245051  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1991-7-4 5906 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC245052  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-1 6930 Modoc Widow Valley between Day and Lookout on County Road 94. 1330 Comment
  CAS-BOT-BC245054  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-3 6956 Modoc Fletcher Creek E of Pease Cabin between Goose Lake and Crowder Flat Road. 1520 Comment
  UC1101099  Juncus longistylis Herbert L. Mason 1947-8-13 13534 Modoc n of Canby (ne side of F reservoir) Comment
  UC1142955  Juncus nevadensis A. L. Hormay 1941-6-23 35 Modoc Spaulding Reservoir Modoc National Forest Comment
  RSA577832  Juncus nevadensis L. C. Wheeler 1935-9-23 4003 Modoc Pease Flat, Devil s Garden. 1524 Comment
  UCR70887  Juncus orthophyllus George Willet 1935-6-14 s.n. Modoc 4 mi east of Likely 1524 Comment
  HSC81157  Juncus parryi G. M. Riegel 1978-8-24 134 Modoc S Warner Mtns. 1829 Comment
  UC70013  Juncus saximontanus Mrs. M. H. Manning Sep 1903 445 Modoc NE Modoc County Comment
  SJSU9687  Juncus tenuis W. Savage 1979-7-24 1565 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  RSA210799  Juncus torreyi Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39067 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  UCR67433B  Juncus torreyi George K. Helmkamp 1990-9-23 J- 12 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CHSC38995  Juncus trilocularis J. D. Jokerst 1983-7-18 1842 Modoc At edge of meadow, Miller's Flat, NW of town of Aden. East edge of meadow. Comment
  SEINET6173599  Juncus trilocularis L. C. Wheeler 1935-9-23 4001 Modoc Pease Flat, Devil's Garden 1524 Comment
  CAS-BOT-BC30162  Juniperus communis var. montana Francis Dorris Payne 1932-7-1 653 Modoc Pine Creek Basin, Warner Mts. Comment
  CAS-BOT-BC81197  Juniperus occidentalis John Thomas Howell 1934-6-16 12208 A Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC81200  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  CAS-BOT-BC81206  Juniperus occidentalis Roxana S. Ferris; Rena Duthie 1919-6-13 104 Modoc Parker Creek, Warner Mts. 1981 Comment
  CAS-BOT-BC81208  Juniperus occidentalis Elmer I. Applegate 1932-7-6 8206 Modoc Cedarville, Surprise Valley, at east base Warner Mountains Comment
  UC1134338  Juniperus occidentalis R. C. Wilson 1933-6-27 54 Modoc Rush Creek Modoc National Forest, Canby Quad., Rush Creek 1463 Comment
  UC401375  Juniperus occidentalis Belknap C. Goldsmith 1911-5-21 Modoc county road near Goose Lake; Modoc National Forest Comment
  CAS-BOT-BC30165  Juniperus occidentalis var. occidentalis Bruce Bartholomew 1989-8-11 5086 Modoc ca. 1 km S of Barber Creek on road from Surprise Valley to Patterson Ranger Station. 1880 Comment
  HSC103930  Juniperus occidentalis var. occidentalis L. Ahart, John Dittes 2008-8-26 15358 Modoc About 9.3 mi. (air) NNE of Lookout; on the SE side of Rose Creek, 750 ft. SW of confluence of Rose Creek and Pit River, on the NW side of unnamed road, 2,660 ft. E of intersection with County Rd. 85A 1277 Comment
  POM337227  Juniperus occidentalis var. occidentalis F. R. Fosberg 1957-8-18 38855 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  POM229190  Kalmia polifolia subsp. microphylla L. C. Wheeler 1935-8-4 3776 Modoc Pine Creek, Warner Mts. 2210 Comment
  CAS-BOT-BC225093  Kelloggia galioides Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2149 Modoc Cedar Peak. Comment
  CAS-BOT-BC95541  Kochia americana Bruce Bartholomew 1993-6-13 6614 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  CAS-BOT-BC247651  Koeleria macrantha Leland S. Smith 1917-7-4 101 Modoc Above Cedarville. 1828 Comment
  CHSC99767  Koeleria macrantha Lowell Ahart; John Dittes 2008-6-21 15015 Modoc On the north side of the dirt road, in Big Valley, about 3.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber. 1264 Comment
  UC1024946  Koeleria macrantha Leo Whitney 1935-7-2 3326 Modoc ca 17 mi nw Canby; Badger Wells Comment
  UC1137087  Koeleria macrantha August L. Hormay 1932-7-14 Modoc D D plot site Comment
  UCD85731  Koeleria macrantha Beecher Crampton; Carl Rimbey 1954-7-6 2117 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  UCR163262  Koeleria macrantha Jim Andre 1993-7-2 1425 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CDA36735  Lagophylla ramosissima Richard R. Halse 2010-8-25 8085 Modoc Along State Highway 139 ca. 25.5 miles northwest of its junction with State Hwy 299; Modoc National Forest. Comment
  JEPS121199  Lagophylla ramosissima Lowell Ahart, John Dittes 2013-7-25 18946 Modoc 30 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
  CHSC85167  Lagophylla ramosissima subsp. ramosissima John Dittes; Josephine Guardino 1991-8-23 447 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
  CHSC117290  Lamium amplexicaule Lowell Ahart; John Dittes 2016-7-14 21174 Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC181980  Lathyrus brownii Bruce Bartholomew; Mona Bourell 1990-4-27 5168 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  NY716676  Lathyrus lanszwertii var. lanszwertii R. J. Weatherby 1955-7-8 1621 Modoc 6 miles north of Ft. Bidwell, northern Warner Mountains 1783 Comment
  POM128966  Lathyrus vestitus subsp. vestitus M. S. Baker 1916-06 s.n. Modoc Near Forestdale. Comment
  CAS-BOT-BC49457  Layia glandulosa Lindsay Stuart Smith; E. H. Steffen 1917-5-26 15 Modoc West Valley camp. 1554 Comment
  RSA8237  Ledum glandulosum Elmer I. Applegate 1932-8-6 8210 Modoc Just above Lily Lake, Bidwell Pass, Warner Mts. Comment
  RSA8238  Ledum glandulosum Elmer I. Applegate 1932-8-7 8224 Modoc Just above Lily Lake, Bidwelll Pass, Warner Mts. Comment
  RSA0011491  Lemna Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46965 Modoc Ca. 3.4 miles north of Alturas at bridge over North Fork of Pit River 1341 Comment
  POM228875  Lemna trisulca L. C. Wheeler 1935-10-2 4015 Modoc Alturas, 2 miles south 1357 Comment
  RSA551336  Lemna trisulca Bruce Bartholomew 1992-8-7 6361 Modoc Meadow 2.3 km west of West Warner Road at Soup Creek, west side of Warner Mountains 1720 Comment
  UCD138196  Lemna trisulca Verne Grant; Irving Schneider 1947-7-19 8065 Modoc Corporation ranch; south of south loop road, south of Alturas. Comment
  CAS-BOT-BC245030  Lemna turionifera Verne Grant; I. Schneider 1947-7-19 8064 Modoc Corporation Ranch, S of south loop road. Comment
  UC1101298  Lemna turionifera Malcolm A. Nobs, S. Galen Smith 1949-5-30 775 Modoc w of Alturas (1/2 mi e of County Road 70 on County Road 54) Comment
  CHSC117261  Lepidium campestre Lowell Ahart; John Dittes 2016-7-14 21162 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC58664  Lepidium chalepense Bruce Bartholomew 1994-5-27 6700 Modoc SW side of White Horse Reservoir. 1330 Comment
  CHSC117504  Lepidium chalepense Lowell Ahart; John Dittes 2016-7-14 21166 Modoc West side of new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  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
  RSA504619  Lepidium perfoliatum Bruce Bartholomew, B. Anderson 1988-6-25 4382 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  CAS-BOT-BC190631  Leptodactylon pungens Alice Eastwood; John Thomas Howell 1940-6-12 8048 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC190632  Leptodactylon pungens Elmer Ivan Applegate 1932-7-9 7610 Modoc N slope of Bidwell Mountain. Comment
  UC106732  Leptodactylon pungens Mrs. Austin Modoc hills e Goose Lake (e of Goose Lake); hills e of Goose Lake Comment
  HSC80890  Leptosiphon harknessii G. M. Riegel 1979-7-12 508 Modoc S Warner Mtns. 2100 Comment
  RSA600328  Leptosiphon nuttallii L. C. Wheeler 1935-8-5 3789 Modoc Warner Mountains: Mt. Diablo Mer.; Little Lily Lake, Pine Creek. 2287 Comment
  SEINET11448003 Image available Leucanthemum vulgare M. J. Williams 1984-1 84- 70 -2 Modoc North of Alturas on Hwy 395, almost to Oregon border 1432 Comment
  CAS-BOT-BC242079  Leucocrinum montanum K. Paulson; Robert Paulson 1989-4-16 103 Modoc Crowder Flat Road, Devil's Garden. Comment
  CHSC67314  Leucocrinum montanum James D. Jokerst 1987-5-12 2851 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  SEINET3154178  Leucocrinum montanum E. K. Balls 1950-5-10 15962 Modoc hwy 395, 5.5 mi NE of Alturas, 5 mi. before junction 1524 Comment
  CAS-BOT-BC197456  Lewisia nevadensis Bruce Bartholomew 1994-7-2 6804 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  CAS-BOT-BC197459  Lewisia nevadensis Bruce Bartholomew 1994-7-3 6833 Modoc Edge of Dismal Swamp, N end of Warner Mountains. 2180 Comment
  UC1586893  Lewisia triphylla Juha Pykala and D. H. Norris 1987-5-28 1277 Modoc ca 3-4 mi w Lake City (Lake City Canyon); Warner Mountains, Modoc National Forest, Lake City Canyon 1828 Comment
  CAS-BOT-BC247639  Leymus cinereus Isabelo T. Kelly 1930-1-1 34 Modoc Fort Bidwell. Comment
  CAS-BOT-BC247630  Leymus triticoides John Thomas Howell 1934-7-1 12339 Modoc Duncan Horse Camp. 1355 Comment
  JEPS117172  Leymus triticoides Lowell Ahart, John Dittes 2010-8-31 17131 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS68582  Leymus triticoides Leland S. Smith 1917-7-23 893 Modoc Joseph Creek 1706 Comment
  UC1037170  Leymus triticoides Leo Whitney 1935-7-21 3523 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  UC1037257  Leymus triticoides Leo Whitney 1935-7-24 107 Modoc Hot Springs Valley Comment
  RSA453850  Ligusticum grayi L. C. Wheeler 1935-8-16 3882 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  RSA577560  Lilaea scilloides L. C. Wheeler 1935-9-18 3991 Modoc Householder Reservoir, Devil s Garden 1524 Comment
  CAS-BOT-BC242070  Lilium washingtonianum Bruce Bartholomew 1989-7-14 4928 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CHSC99152  Limosella aquatica Lowell Ahart; John Dittes 2008-6-21 14996 Modoc In the drying pond, north of the large culvert, east of the large levee, in Big Valley, about 2.8miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  RSA400277  Limosella aquatica Louis C. Wheeler 1935-8-3 3764 Modoc Warner Mountains: Pine Creek. 1738 Comment
  CAS-BOT-BC190629  Linanthus bolanderi Bruce Bartholomew; Mona Bourell 1990-4-26 5155 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC190626  Linanthus ciliatus Bruce Bartholomew 1995-6-24 7031 Modoc 0.3 km W of turn off to Dusty's Waterhole from Forest Service Road 42N23. 1320 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
  UC449824  Linanthus ciliatus Franklin P. Nutting Modoc near Egg Lake; Lava Comment
  CAS-BOT-BC198037  Linanthus harknessii Arnold Tiehm 1984-6-30 8842 Modoc NW side of Bidwell Mt., 2.8 road mi. N of Eight Mile Creek on road to Lake Annie. 1828 Comment
  UC880256  Linanthus harknessii Lewis S. Rose 1940-6-14 40573 Modoc 8 mi nw Canby 1524 Comment
  CAS-BOT-BC198026  Linanthus nuttallii subsp. nuttallii K. Paulson; Robert Paulson 1989-7-14 179 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 2171 Comment
  CAS-BOT-BC198029  Linanthus nuttallii subsp. nuttallii Louis Cutter Wheeler 1935-8-5 3789 Modoc Little Lily Lake, Warner Mts. 2286 Comment
  JEPS103192  Linanthus nuttallii subsp. nuttallii G. Schoolcraft 2000-7-17 2916 Modoc N Warner Mountains East of Poison Lake 2225 Comment
  CDA37693  Linaria dalmatica Robin Breckenridge 2005-6-18 s.n. Modoc New Pine Creek, along Highway 395 near California/Oregon border. 0 Comment
  CDA6367  Linaria vulgaris T. C. Fuller 1960-7-27 4876 Modoc Lassen Creek, near Sugar Hill Planting. 0 Comment
  CDA6368  Linaria vulgaris T. C. Fuller 1964-10-7 12690 Modoc 3/4 mile northwest of Stronghold. 0 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
  RSA27040  Linum lewisii C. L. Hitchcock 1940-5-27 6709 Modoc 15 miles NE of Alturas. 1677 Comment
  RSA59602  Linum lewisii Verne Grant, Alva Grant 1950-7-14 8946 Modoc Bare north flank of Cedar Peak, Warner Mts. 2195 Comment
  UC17253  Linum lewisii Milo S. Baker 1893-6 Modoc Lava Beds Comment
  POM260324  Lithophragma glabrum C. L. Hitchcock 1940-5-27 6718 Modoc 15 miles NE of Alturas. 1982 Comment
  UC11912  Lithophragma glabrum Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley Comment
  UC190608  Lithophragma parviflorum M. F. Gilman 543 Modoc Comment
  CAS-BOT-BC225840  Lithophragma tenellum Bruce Bartholomew 1991-6-20 5792 A Modoc Fox Mountain Spring, ca. 10 km NW of Adin. 1620 Comment
  JEPS5956  Lithophragma tenellum Frances D. Payne 1932-7-1 660 Modoc 2 mi sw Mt. Warren (Pine Creek Basin, se Modoc County); Warner Mts., Pine Creek Basin, sw of Mt. Warren 2133 Comment
  JEPS5961  Lithophragma tenellum Frances D. Payne 1932-6-10 527 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  RSA6913  Lithophragma tenellum Elmer I. Applegate 1932-8-2 8086 Modoc Mill Creek Meadows. Warner Mtns. Comment
  POM64599  Lithospermum californicum Milo S. Baker 1893-6-20 s.n. Modoc [Unspecified] Comment
  CAS-BOT-BC54037  Lithospermum ruderale Bruce Bartholomew; Barrett Anderson 1988-5-13 4143 Modoc Along Parker Creek Road, 2.7 km W of Modoc National Forest and ca. 16 km WSW of Alturas, W side of the Warner 1490 Comment
  POM126233  Lithospermum ruderale Franklin P. Nutting s.n. Modoc Forestdale. Comment
  RSA59863  Lithospermum ruderale E. K. Balls 1950-5-11 14614 Modoc 2 miles N of Lake City. W of Upper Alkali Lake. 1418 Comment
  CHSC109487  Lomatium bicolor var. leptocarpum L. P. Janeway; B. Castro 2012-7-24 10977 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  UC748468  Lomatium bicolor var. leptocarpum Annie M. Alexander and Louise Kellogg 1946-6-26 4839 Modoc n. end Warner Mts., Dismal Swamp 2255 Comment
  CAS-BOT-BC21453  Lomatium bicolor var. leptocarpum R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2283 Modoc Fields, Goose Lake. Comment
  RSA164430  Lomatium bicolor var. leptocarpum Clare B. Hardham 1961-6-16 7891 Modoc Road from Mt. Bidwell to Dismal Cr. 2439 Comment
  RSA452581  Lomatium bicolor var. leptocarpum L. C. Wheeler 1935-9-12 3982 Modoc Devils Garden: 2 miles SW Poindexter Reservoir. 1524 Comment
  CAS-BOT-BC30172  Lomatium dissectum var. multifidum James Vale; et al 1979-6-9 s.n. Modoc Parker Creek. Comment
  UC106414  Lomatium dissectum var. multifidum Mrs. R. M. Austin June 1894 106 Modoc Fletcher Creek Comment
  CAS-BOT-BC30127  Lomatium foeniculaceum subsp. macdougalii Bruce Bartholomew 1993-6-13 6613 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  CAS-BOT-BC30175  Lomatium foeniculaceum subsp. macdougalii Bruce Bartholomew 1995-6-2 6941 Modoc 3.5 km NE of County Road 38 on County Road 37, SE side of Surprize Valley. 1390 Comment
  NY1141374  Lomatium foeniculaceum var. macdougalii B. M. Bartholomew 1995-5-13 6909 Modoc 4.8 km west of Eagleville, east side of the south end of Surprize Valley 1480 Comment
  RSA452142  Lomatium macrocarpum Christopher Davidson 1975-6-4 2606 Modoc 2.2 miles east of Highway 395 on highway 299 towards Cedarville 1494 Comment
  POM78482  Lomatium macrocarpum Mrs. R. M. Austin 1895-08 432 Modoc Goose Lake Comment
  POM78180  Lomatium nevadense C. C. Bruce 1895-05 28 Modoc Goose Lake Valley Comment
  UC21289  Lomatium nevadense var. nevadense Milo S. Baker 1893-7-14 Modoc Forestdale region Comment
  JEPS17530  Lomatium nudicaule L. S. Smith 1917-5-28 Modoc Jess Valley Comment
  SEINET8802402  Lomatium nudicaule R. R. Halse 1976-6-13 1400 Modoc Modoc National Forest, Upper Rush Creek Campground 1585 Comment
  CAS-BOT-BC15728  Lomatium piperi Leland S. Smith 1920-7-14 1196 Modoc Grizzleys, Long Meadows 1402 Comment
  CAS-BOT-BC15731  Lomatium piperi Bruce Bartholomew 1993-4-3 6409 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  JEPS89900  Lomatium triternatum Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12524 Modoc 0.5 mi. e. Duncan Reservoir (hillside on w. rim of Black Canyon, Modoc Plateau); Modoc Plateau, Washington Mt. 7 1/2 Quad., Black Canyon 1524 Comment
  RSA518863  Lomatium triternatum Barbara Ertter 1988-6-18 7645 Modoc Adin Summit on Highway 299 N of Adin 1585 Comment
  SEINET11131219  Lomatium triternatum subsp. triternatum M. J. Williams 1988-5-30 88266 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CHSC66983  Lomatium triternatum var. macrocarpum James D. Jokerst 1987-5-11 2833 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
  JEPS5964  Lomatium triternatum var. macrocarpum Frances D. Payne 1931-6-18 197 Modoc S and E of Alturas (Parker Creek); Warner Mountains 1584 Comment
  UC1562720  Lomatium triternatum var. macrocarpum Barbara Ertter 1988-6-18 7645 Modoc Adin Summit on Hwy,. 299 n. Adin; Adin Summit 1584 Comment
  CHSC117767  Lomatium vaginatum L. P. Janeway 2016-5-17 12048 Modoc Modoc Plateau. Devils Garden area; along Road 48N08/73/ Crowder Flat Road 2.1 road-km north of Devils Garden Conserva-tion Camp; about 6.5 air-km south of Big Sage Reservoir. 1501 Comment
  JEPS28835  Lomatium vaginatum Lincoln Constance and Emil DiFulvio 1962-4-16 3750 Modoc 3.2 mi. n. Likely 1310 Comment
  POM78253  Lomatium vaginatum Mrs. R. M. Austin 1895-05 27 Modoc Goose Lake Valley Comment
  RSA0049633  Lomatium vaginatum Dean Wm. Taylor 2012-6-5 21223 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  CAS-BOT-BC95170  Lonicera interrupta Fred. P. Cronemiller 1920-7-1 20 Modoc Bieber Range. 1524 Comment
  UC71586  Lonicera involucrata var. involucrata Mrs. M. H. Manning 1893-2 305 Modoc Warner Range, ne Modoc County Warner Range Comment
  CHSC116081  Lotus corniculatus Lowell Ahart; John Dittes 2015-7-16 20379 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
  JEPS123857  Lotus corniculatus Lowell Ahart, John Dittes 2015-7-16 20379 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  SEINET3131479  Lotus crassifolius var. crassifolius M. S. Baker 1893-1 sn Modoc Forestdale Comment
  SEINET5512249  Lotus humistratus J. C. Beatley 1964-1 Modoc Tule Lake area. Drainage area: Tule Lake area 1829 Comment
  CAS-BOT-BC181947  Lotus purshianus var. purshianus Bruce Bartholomew 1991-8-4 6009 Modoc Kelly Draw, Round Valley, 2 km E of Hwy 299 on County Road 86. 1310 Comment
  RSA503054  Lotus unifoliolatus Bruce Bartholomew, B. Anderson 1988-6-23 4223 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 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
  CAS-BOT-BC181906  Lupinus arbustus Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass, E of Alturas. Comment
  CAS-BOT-BC181909  Lupinus arbustus Mrs. H. C. Cantelow 1941-5-23 Modoc 2 miles east of Adin Summit 1576 Comment
  CAS-BOT-BC181918  Lupinus arbustus Robert Patterson; Mona Bourell 1993-8-14 5227 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CHSC70729  Lupinus arbustus A. Sanger 1997-6-22 2529 Modoc In and adjacent to pine plantation near Soup Springs. 2133 Comment
  RSA0025584  Lupinus arbustus John F. Emmel 1996-7-15 1434 Modoc Warner Mtns; ridge 1.1-1.5 air mi south and 0.3-0.5 air mi west of Emerson Peak. 2409 Comment
  NY732853  Lupinus arbustus subsp. calcaratus R. M. Austin 06 1898 2146 Modoc Comment
  SEINET10484640  Lupinus arbustus subsp. calcaratus Jeffrey Huber 1971-6-3 Huber 87 Modoc 5 miles s of canby on cal hwy 299, lupinus heavily carpeting hillside of large Basaltic boulders, sparse juniper, artemisia, purshia, poa assoc. 1280 Comment
  CAS-BOT-BC182220  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  RSA0026213  Lupinus argenteus John F. Emmel 1997-6-9 1501 Modoc North end Surprise Valley, 3 air miles NE of Ft. Bidwell; along County Road 1, 3.6 road miles NE of jct. with County Road 6. 1409 Comment
  UC748288  Lupinus argenteus Annie M. Alexander and Louise Kellogg 1946-7-7 4917 Modoc Cedarville , Cedarville (Surprise Valley) Comment
  SEINET10870581  Lupinus argenteus subsp. argenteus Duane Isely, I. Isely 1971-7-11 Isely 11374 Modoc Roadside at intersection state 139 and 299. Flowers bright violet; standard Ascending 45 degrees; no basal leaves Comment
  CHSC118290  Lupinus argenteus var. argenteus L. P. Janeway 2016-5-18 12050 Modoc Modoc Palteau. Between Goose Lake and the Devils Garden area; uplands along southeast side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  RSA91210  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas, south end of town. 1524 Comment
  CAS-BOT-BC182095  Lupinus argenteus var. heteranthus Bruce Bartholomew 1990-6-17 5298 Modoc Along Emerson Creek, 3.9 km SW of County Rd 1, E side of Warner Mts. 1700 Comment
  CAS-BOT-BC182115  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-13 8137 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC208729  Lupinus argenteus var. heteranthus Frances Payne 1929-7-12 74 Modoc Lost Lake, Warner Mts. 2286 Comment
  CHSC109679  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2012-7-10 18330 Modoc About 300 yards northeast of the old barn, on the sides of the mowed road. Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  NY736940  Lupinus argenteus var. heteranthus L. C. Wheeler 1935-8-7 3805 Modoc Pine Creek, Warner Mountains 1554 Comment
  NY736941  Lupinus argenteus var. heteranthus B. M. Bartholomew 1990-6-17 5298 Modoc Along Emerson Creek, 3.9 km southwest of County Road 1, east side of Warner Mountains 1700 Comment
  CAS-BOT-BC182079  Lupinus argenteus var. heteranthus R. M. Austin 1884-8-1 219 Modoc Hills. Comment
  CAS-BOT-BC181895  Lupinus argenteus var. meionanthus Bruce Bartholomew 1992-8-8 6365 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  RSA260742  Lupinus burkei subsp. burkei Alice Eastwood, John T. Howell 1940-6-13 8129 Modoc Near Davis Creek. Comment
  HSC71461  Lupinus caudatus J. P. Smith, J. O. Sawyer 1973-8-8 7237 Modoc S slopes of Eagle Peak 2561 Comment
  POM23636  Lupinus caudatus R. M. Austin 1895-07 410 Modoc Goose Lake Valley. Comment
  HSC14805  Lupinus caudatus M. T. Milligan 1965-6-27 355 Modoc E slope of eroded volcanic plateau. 1677 Comment
  UC127014  Lupinus latifolius var. viridifolius Mrs. Austin and Mrs. Bruce July 1898 Modoc Fields Comment
  CAS-BOT-BC181876  Lupinus lepidus var. lobbii Elmer Ivan Applegate 1932-8-1 8050 Modoc Near summit of Warren Peak, Warner Mts. 2895 Comment
  UC127004  Lupinus lepidus var. lobbii Milo S. Baker 1893-6 Modoc Comment
  UC15911  Lupinus leucophyllus Milo S. Baker 1893-6-20 Modoc Comment
  NY747370  Lupinus leucophyllus var. leucophyllus K. Paulson 1988-6-19 43 Modoc Cottonwood Flat 1524 Comment
  CAS-BOT-BC181838  Lupinus microcarpus var. microcarpus F. Angwin 1946-5-3 Modoc Big Valley, 2 mi. NW of Adin. 1280 Comment
  CHSC112051  Lupinus microcarpus var. microcarpus Lowell Ahart; John Dittes 2012-7-11 18342 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
  SJSU9583  Lupinus microcarpus var. microcarpus W. Savage 1979-7-4 1343 Modoc Triangel, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA414419  Lupinus ruber Christopher Davidson 2126 Modoc ca. 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA59534  Lupinus ruber E. K. Balls 1950-5-20 14805 Modoc 3.3 mi. above S. Fk. Public Camp, S. Fork Pit River, on way to Jess Valley. 1463 Comment
  CHSC118324  Lupinus saxosus L. P. Janeway 2016-5-17 12049 Modoc Modoc Plateau. Devils Garden area; along Road 48N08/73/ Crowder Flat Road 2.1 road-km north of Devils Garden Conservation Camp; about 6.5 air-km south of Big Sage Reservior. 1501 Comment
  JEPS65435  Lupinus saxosus Leland S. Smith 1917-6-10 801 Modoc Jess Valley; Warner Mountains, Jess Valley 1524 Comment
  UC126930  Lupinus saxosus Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  HSC14937  Lupinus saxosus Allan R. Marshall 1962-5-12 13 Modoc 3 mi. W of Canby on Hwy. 299 1220 Comment
  RSA486801  Lupinus saxosus Bruce Bartholomew, B. Anderson 1988-5-13 4149 Modoc Along Parker Creek Road, at the border of Modoc National Forest and 16 km WSW of Alturas, side of the Warner Mtns. 1580 Comment
  UC126931  Lupinus saxosus Mrs. R. M. Austin and Bruce 1898-5-9 9140 Modoc Fields (possibly not a place name) Fields Comment
  HSC26002  Lupinus subvexus var. subvexus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19390 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  POM215937  Lycium barbarum Louis C. Wheeler 1935-10-10 4033 Modoc Alturas. 1357 Comment
  HSC63628  Lycopus uniflorus J. P. Smith, J. O. Sawyer 1973-8-9 7275 Modoc Blue Lake, Modoc National Forest 1829 Comment
  RSA628301  Machaeranthera canescens var. shastensis L. C. Wheeler 1973-8-26 s.n. Modoc Warner Mountains: 1 1/2 mile north of Sworinger Reservoir. 1767 Comment
  POM204104  Madia citriodora J. T. Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mts. 1585 Comment
  UC33230  Madia exigua Mrs. R. M. Austin August, 1894 Modoc Sugar Loaf Hill 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
  CHSC115487  Madia glomerata L. P. Janeway 2014-7-8 11472 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-BC49422  Madia gracilis David Daniels Keck; Jens Chr. Clausen 1935-6-24 3723 Modoc 1.5 mi. N of Davis Creek. 1524 Comment
  CAS-BOT-BC49425  Madia gracilis Bruce Bartholomew 1991-7-6 5957 Modoc 2 km above Lower Rush Creek Campground along Rush Creek. 1500 Comment
  NY500377  Mahonia repens L. C. Wheeler 1935-8-14 3838 Modoc Pine Creek, Warner Mountains 2011.7 Comment
  POM228992  Mahonia repens L. C. Wheeler 1935-8-14 3838 Modoc Pine Creek. Warner Mtns. 2011 Comment
  CAS-BOT-BC242173  Maianthemum stellatum Verne Grant; I. Schneider 1947-7-22 8141 Modoc North Fork of Pit River on Hwy 395, ca. 1 mi. N of junction with Cedarville road. Comment
  HSC81153  Maianthemum stellatum G. M. Riegel 1979-7-1 4541 Modoc 1670 Comment
  CAS-BOT-BC30190  Marsilea vestita Bruce Bartholomew 1991-7-5 5936 Modoc Vicinity of the outlet of Dorris Brothers Reservoir. 1500 Comment
  POM173659  Marsilea vestita Milo S. Baker 1893-7-20 s.n. Modoc Big Valley Comment
  CHSC116069  Medicago lupulina Lowell Ahart; John Dittes 2015-7-16 20386 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
  HSC14988  Medicago lupulina M. T. Milligan 1965-6-23 294 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC247627  Melica bulbosa Leland S. Smith 1917-6-21 53 Modoc South Fork Fitzhugh Creek. 1981 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
  UC70657  Melica fugax Mrs. M. H. Manning May 1904 424 Modoc ne Modoc County Comment
  UCD87266  Melica fugax Beecher Crampton; Carl Rimbey 1954-7-7 2139 Modoc West side of Cedar Pass, Warner Mountains. 1889 Comment
  SEINET10925516  Melica stricta F. Marion Ownbey, Fred G. Meyer 1940-7-1 Ownbey 2152 Modoc In Protection Of East Facing Rock Ledges, Cedar Peak, Warner Mts. Comment
  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
  POM126662  Mentha canadensis Franklin P. Nutting s.n. Modoc Forestdale Comment
  UCD125038  Mentha canadensis Verne Grant; Irving Schneider 1947-7-18 8050 Modoc Eastside canal five miles north of Bayley's Bridge, south of Alturas. Comment
  HSC80891  Mentzelia albicaulis G. M. Riegel 1980-7-28 948 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC179132  Mentzelia dispersa R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2368 Modoc Goose Lake. Comment
  CAS-BOT-BC179134  Mentzelia dispersa Bruce Bartholomew 1990-6-17 5333 Modoc Surprise Valley, at the W side of Middle Alkali Lake, directly E of Cedarville. 1370 Comment
  CAS-BOT-BC179137  Mentzelia dispersa Elmer Ivan Applegate 1897-5-31 886 Modoc E side of Tule Lake. Comment
  CAS-BOT-BC179150  Mentzelia dispersa Bruce Bartholomew; Barrett Anderson 1988-6-24 4360 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  UC872459  Mentzelia dispersa C. L. Hitchcock 1940-5-27 6675 Modoc 15 m ne Alturas 1615 Comment
  JEPS41194  Mentzelia dispersa Milo S. Baker Modoc Comment
  UC725538  Mentzelia dispersa A. A. Heller 1941-6-26 16214 Modoc 8 m w Alturas (along U.S. Highway #299.); Juniper Belt Comment
  CAS-BOT-BC179126  Mentzelia laevicaulis Verne Grant; I. Schneider 1947-7-22 8161 Modoc N Fork of Pit River, 1 mi. NW of Hwy 395 on dirt road leading S to Goose Lake. Comment
  CAS-BOT-BC179129  Mentzelia laevicaulis Leland S. Smith 1922-8-20 1335 Modoc Dry S slopes below Canby. 1310 Comment
  JEPS42866  Mentzelia laevicaulis var. laevicaulis W. L. Jepson 1918-8-9 7924 Modoc Lake City 1463 Comment
  CAS-BOT-BC179120  Mentzelia montana Alice Eastwood; John Thomas Howell 1940-6-14 8254 Modoc Between Mammoth Cave and Lava Bed National Monument. Comment
  CAS-BOT-BC54043  Mertensia ciliata K. Paulson; Robert Paulson 1989-7-14 182 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  CAS-BOT-BC497323  Mertensia ciliata Annie M. Alexander; Louise Kellogg 1946-7-19 5028 Modoc Benton Meadow, Warner Mountains 2072 Comment
  NY1084556  Mertensia longiflora B. M. Bartholomew 1991-5-24 5738 Modoc Near north side of Big Mud Lake at the Nevada State boundary 1680 Comment
  SEINET11302717  Mertensia longiflora M. J. Williams 1984-6-29 84- 71 -1 Modoc Lily Lake, west side of the Warner Mountains 2073 Comment
  NY1084275  Mertensia oblongifolia B. M. Bartholomew 1992-5-15 6301 Modoc Tamarack Flat, east side of the Warner Mountains 2160 Comment
  CAS-BOT-BC54013  Mertensia oblongifolia var. amoena Betty J. Hammerly 1941-6-20 30 Modoc Clear Lake. 1767 Comment
  RSA534714  Mertensia oblongifolia var. nevadensis Bruce Bartholomew 1991-6-21 5802 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CAS-BOT-BC54023  Mertensia oblongifolia var. oblongifolia Annie Montague Alexander; L. Kellogg 1946-6-30 4882 Modoc Highgrade, west side of ridge, N end of Warner Mountains 2377 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-BC225965  Micranthes nidifica Bruce Bartholomew; Barrett Anderson 1989-4-30 4717 Modoc Along Ralston Gulch, 2.4 km S of Caldwell Road (Co. road 54). 1450 Comment
  CAS-BOT-BC95554  Micromonolepis pusilla Bruce Bartholomew 1993-6-13 6643 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  CAS-BOT-BC49394  Microseris nutans John Thomas Howell 1934-6-13 12051 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CHSC117041  Microseris nutans Lowell Ahart; John Dittes 2016-6-6 20958 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC67085  Microseris nutans James D. Jokerst 1987-5-12 2843 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  RSA164319  Microseris nutans Clare B. Hardham 1961-6-18 7590 Modoc Cedar Pass. 1829 Comment
  CAS-BOT-BC197903  Microsteris gracilis Bruce Bartholomew 1991-5-24 5721 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  CAS-BOT-BC197912  Microsteris gracilis Gordon H. True 1964-6-3 1440 Modoc Cedar Pass, Warner Mts. 1524 Comment
  CAS-BOT-BC197917  Microsteris gracilis Bruce Bartholomew 1992-5-17 6341 Modoc S side of White Horse Flat Reservoir in the vicinity of McArthur Cow Camp. 1390 Comment
  HSC17123  Microsteris gracilis M. T. Milligan 1966-5-14 612 Modoc Plateau W of Jess Valley 1829 Comment
  POM299284  Microsteris gracilis subsp. gracilis Frances D. Payne 1931-6-25 269 Modoc Pine Creek Basin 2317 Comment
  RSA488027  Microsteris gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1988-5-12 4094 Modoc White Horse 1340 Comment
  CDA41657  Mimulus breviflorus S. E. Schoenig 1998-7-5 98 -68 Modoc West of railroad tracks, 1 mile north of Sagehen Summit, 20 meters east of Highway 395. Comment
  SEINET3365874 Image available Mimulus breweri Annie M. Alexander, Louise Kellogg 1946-7-1 4888 Modoc Warner Mountains; 1/2 mile east of Bidwell Creek road summit Comment
  RSA550576  Mimulus breweri Bruce Bartholomew, B. Anderson 1990-7-20 5521 Modoc Tamarack Flat, E side of Warner Mts. 655 Comment
  HSC80802  Mimulus guttatus G. M. Riegel 1980-7-2 813 Modoc S Warner Mtns. 2100 Comment
  RSA550577  Mimulus guttatus Bruce Bartholomew, B. Anderson 1989-6-3 4848 Modoc Cedar Pass; Warner Mountains. 1920 Comment
  RSA550580  Mimulus guttatus Bruce Bartholomew 1991-7-6 5985 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  JEPS86358  Mimulus lewisii Jack and Betty Guggolz 1988-7-4 975 Modoc West Branch of Bidwell Creek Bidwell Creek 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
  HSC26558  Mimulus nanus var. nanus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19486 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  RSA165594  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek. Warner Mountains. 1677 Comment
  RSA186209  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek, Warner Mountains. 1524 Comment
  JEPS79124 Image available Mimulus pulsiferae L. R. Heckard with Rimo Bacigalupi 1980-6-10 5228 Modoc Southwest margin of Egg Lake Comment
  UC1037256  Mimulus pulsiferae Leo Whitney 1935-6-9 3203 Modoc White Horse Comment
  UC27098  Mimulus pulsiferae Milo S. Baker 1893-6-12 Modoc Forestdale Comment
  CAS-BOT-BC95210  Minuartia douglasii Bruce Bartholomew 1993-6-12 6585 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC95216  Minuartia nuttallii Annie Montague Alexander; L. Kellogg 1946-7-30 5093 Modoc Eagle Peak, Warner Mts. Comment
  RSA17676  Minuartia nuttallii subsp. fragilis Elmer I. Applegate 1932-8-1 8018 Modoc West slope of Warner Mountains, south of Warren Peak. Comment
  UC465880  Minuartia nuttallii subsp. fragilis M. F. Gilman 602 Modoc 1676 Comment
  CAS-BOT-BC225801  Mitella pentandra Leland S. Smith 1917-8-3 150 Modoc South Fork Davis Creek. 1828 Comment
  CAS-BOT-BC225802  Mitella pentandra Elmer Ivan Applegate 1932-7-7 8240 Modoc Lily Lake, Bidwell Pass, Warner Mts. Comment
  CAS-BOT-BC225804  Mitella pentandra Bruce Bartholomew 1989-8-12 5114 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  CAS-BOT-BC225807  Mitella pentandra Bruce Bartholomew 1995-6-23 6999 Modoc 2.4 km N of Forest Road 30 on road from Hall Meadow to Plume Valley Camp Ground. 1770 Comment
  CAS-BOT-BC179372  Monardella odoratissima subsp. glauca Bruce Bartholomew 1989-7-14 4965 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CAS-BOT-BC179856  Monardella odoratissima subsp. glauca Bruce Bartholomew 1990-8-4 5638 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  RSA83374  Monardella odoratissima subsp. glauca F. W. Peirson 1926-6-25 6897 Modoc Small side canyon 1 mile east of summit on road to Cedarville, across the Warner Mts. Comment
  SJSU6210  Monardella odoratissima subsp. glauca H. L. Buckalew 1961-7-1 Modoc lower flanks of Cedar Mt, Warner Mts 2133 Comment
  UC71706  Monardella odoratissima subsp. glauca Mrs. M. H. Manning 1903-8-27 350 Modoc Leading to summit Mt. Bidwell Comment
  CAS-BOT-BC222000  Monardella odoratissima subsp. glauca Clare B. Hardham 1975-8-1 20585 Modoc Rimrock west of Lake City 2438 Comment
  RSA17430  Monardella odoratissima subsp. glauca Elmer I. Applegate 1932-8-6 8217 Modoc Near summit of Yellow Mountain, near Lily Lake, Bidwell Pass, Warner Mountains. Comment
  HSC93615  Monardella odoratissima subsp. odoratissima James D. Jokerst 1990-8-2 3208 Modoc Summit of E Sand Butte just E of Lava Beds National Monument 1424 Comment
  CAS-BOT-BC179358  Monardella odoratissima subsp. pallida Belknap C. Goldsmith 1912-7-1 58 Modoc Little Hot Spring Valley. 1219 Comment
  SD61020  Monolepis nuttalliana Darley F. Howe 1964-7-31 3903 Modoc 10.2 miles from entrance to Modoc National Forest on road east of Likely, Warner Mountains. 1830 Comment
  CAS-BOT-BC197523  Montia chamissoi Francis Dorris Payne 1932-6-27 616 Modoc Parker Creek. 1584 Comment
  HSC17742  Montia chamissoi M. T. Milligan 1967-7-9 670 Modoc E of Jess Valley 1768 Comment
  RSA520346  Montia fontana Bruce Bartholomew, B. Anderson 1989-6-2 4845 Modoc Vicinity of Stough Reservoir, Warner Mtns. 1950 Comment
  CAS-BOT-BC197545  Montia linearis Bruce Bartholomew; Barrett Anderson 1989-4-27 4614 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UC60839  Muhlenbergia filiformis M. S. Baker and Frank Nutting 1894-8-25 Modoc meadow near Forestdale 1371 Comment
  UC1025030  Muhlenbergia richardsonis Leo Whitney 1935-7-19 3539 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  JEPS20005  Myosurus apetalus M. H. Manning May, 1903 119 Modoc Ft. Bidwell 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
  CDA37257  Myriophyllum spicatum B. Villegas 2008-7-24 s.n. Modoc Alturas; Modoc National Wildlife Refuge; Dorris Canal. 0 Comment
  CAS-BOT-BC198015  Navarretia breweri Annie Montague Alexander; L. Kellogg 1946-7-7 4933 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC198020  Navarretia breweri Bruce Bartholomew; Barrett Anderson 1988-6-24 4354 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  SBBG6031  Navarretia breweri H. and M. Dearing 1939-6-7 3586 Modoc near Cedar Pass, E of Alturas 1676 Comment
  SJSU9538  Navarretia breweri W. Savage 1979-7-3 1277 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC23411  Navarretia breweri M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  SD71336  Navarretia divaricata John Thomas Howell, Alice Eastwood 1940-6-15 8288 Modoc 9 miles north of Lookout Comment
  UC1025101  Navarretia divaricata Leo Whitney 1934-5-27 1846 Modoc near Hackamore; Modoc National Forest 1463 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
  CAS-BOT-BC197983  Navarretia intertexta subsp. propinqua Frank Warrington Peirson 1926-6-25 6868 Modoc Cedarville Pass, Warner Mts. 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
  CAS-BOT-BC197963  Navarretia leucocephala subsp. minima Bruce Bartholomew 1995-6-4 6967 Modoc 6.3 km NW of Country Road 91 on County Road 93 between Lookout and Egg Lake. 1260 Comment
  CHSC117860  Navarretia leucocephala subsp. minima L. P. Janeway 2016-5-16 11996 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
  SEINET4673746  Navarretia propinqua Leigh A. Johnson, Haley M. Smith 2011-6-25 11 -067 Modoc Vicinity of mile marker 9.37 off of Hwy 299, near Roney Flat and Johnson Creek roads. 1428 Comment
  POM520383  Navarretia sinistra Bruce Bartholomew, B. Anderson 1990-7-21 5588 Modoc Bear Flat, W side of Warner Mts, Ranger Station, Station, E side of Warner Mts. 1830 Comment
  RSA148666  Navarretia sinistra Clare B. Hardham 1961-6-21 7900 Modoc Warner Mountains: Lakeview-Plush Road. 1829 Comment
  POM260426  Nemophila breviflora C. L. Hitchcock 1940-5-27 6661 Modoc 12 miles NE of Alturas. 1616 Comment
  RSA76028  Nemophila breviflora Lincoln Constance 1938-6-12 2332 Modoc Edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, 13.4 miles NE of Alturas, western foothills of the Warner Range 1524 Comment
  CAS-BOT-BC179305  Nemophila parviflora var. austiniae Bruce Bartholomew; Barrett Anderson 1988-5-12 4114 B Modoc S side of Egg Lake. 1300 Comment
  RSA271928  Nemophila pedunculata Christopher Davidson 1975-6-4 2625 Modoc 0.8 miles east of Upper Rush Creek Camp on dirt road off Highway 299 ca. 7 miles west of Adin. Seepage area to left of road. 1662 Comment
  UC24291  Nemophila pedunculata Milo S. Baker 1893-6-18 Modoc Comment
  JEPS31546  Neoholmgrenia andina Milo S. Baker 1894-6-29 Modoc Big Valley Comment
  HSC65549  Nepeta cataria Thomas Wood 1979-8-8 200 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  HSC26499  Nestotus stenophyllus J. P. Smith, J. O. Sawyer 1972-5-6 5273 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  UC71730  Nicotiana attenuata Mrs. M. H. Manning 1902-9-1 2 a Modoc Long Valley Comment
  CAS-BOT-BC58641  Noccaea fendleri subsp. glauca Annie Montague Alexander; L. Kellogg 1946-8-9 5127 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC349918  Nothocalais troximoides B. Bartholomew; M. Bourell 1990-4-27 5177 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass 1540 Comment
  HSC65617  Oenothera elata subsp. hirsutissima Thomas Wood 1979-8-11 253 Modoc 4 mi. S of Fort Bidwell on Co. Hwy. 1 1396 Comment
  UC635387  Oenothera elata subsp. hirsutissima F. H. Frost 1925-7-24 111 Modoc Jess Valley Warner Mountains Comment
  UC726198  Oenothera flava subsp. flava A. A. Heller 1941-6-26 16210 Modoc along US Hwy 299 five mi w Alturas Comment
  UCD138860  Olsynium douglasii var. douglasii R. N. Raynor 1940-4-13 s.n. Modoc Joseph Creek. Comment
  JEPS48968  Olsynium douglasii var. douglasii Leland S. Smith 1918-5-18 927 Modoc Cedarville road e Alturas 1676 Comment
  UCD134668  Onopordum acanthium T. C. Fuller 1959-7-8 A Modoc south side of 4th street, east of East Street, Alturas. Comment
  CAS-BOT-BC49373  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1958-7-8 899 -58 Modoc Adin. Comment
  UCD88279  Orcuttia tenuis R. Preston 2000-7-17 1392 Modoc ca. 9.5 miles NW of Canby, on N side of Highway 139, 3.2 miles E of Forest Service Road 44N11. 300 feet E of outfall of large seasonal lake. 1487 Comment
  CAS-BOT-BC50378  Oreostemma alpigenum var. andersonii Annie Montague Alexander; L. Kellogg 1946-8-9 5131 Modoc Near lake, Patterson Lake Trail, Warner Mountains Comment
  HSC29981  Orobanche uniflora D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19462 Modoc On hillside above the Rush Creek Campground ca. 8 mi. N of Adin. Comment
  RSA165574  Orthocarpus attenuatus Clare B. Hardham 1961-6-18 7804 Modoc Lava flows, north fork Pitt R. 3.3 miles SW Cedar Pass Rd. 1372 Comment
  CAS-BOT-BC232318  Orthocarpus cuspidatus subsp. copelandii Bruce Bartholomew; Barrett Anderson 1990-7-20 5462 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  JEPS62837  Orthocarpus cuspidatus subsp. cryptanthus John Weiler 1970-7-7 70222 Modoc on rocky slope at Cedar Pass; Warner Mountains, rocky slope at Cedar Pass 1920 Comment
  SEINET13756763  Orthocarpus cuspidatus subsp. cryptanthus M. J. Williams 1962-7-8 s. n. Modoc Warner Mountains, Cedar Pass 2073 Comment
  RSA14097  Orthocarpus hispidus Elmer I. Applegate 1929-6-24 5894 Modoc Between Alturas and Davis Creek. Comment
  CAS-BOT-BC15740  Osmorhiza chilensis Barrett Anderson 1986-7-9 3166 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  NY1101728  Osmorhiza depauperata L. Constance 1946-7-4 3104 Modoc Deep Creek 3.4 miles below summit, Warner Mountains Comment
  CAS-BOT-BC15746  Osmorhiza occidentalis Barrett Anderson 1986-7-9 3152 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  CAS-BOT-BC15748  Osmorhiza occidentalis C. C. (Mrs.) Bruce 1894-7-1 66 Modoc Lake City Canyon. Comment
  NY1101853  Osmorhiza occidentalis J. T. Howell 1934-6-11 11948 Modoc Parker Creek, Warner Mountains 1585 Comment
  UC190618  Oxyria digyna M. F. Gilman 511 Modoc Mt. Lake 2133 Comment
  CAS-BOT-BC50306  Packera cana Mrs. H. C. Cantelow 1940-6-2 Modoc 4 mi. W of Alturas on road to Lava Beds National Monument. Comment
  CAS-BOT-BC50308  Packera cana Leland S. Smith 1919-6-5 1118 Modoc Deep Creek near station. 1584 Comment
  SEINET11799198  Packera cana Unknown 1940-1 40540 Modoc near Alturas Comment
  HSC6112  Packera eurycephala M. T. Milligan 1964-6-6 13 Modoc N side of Dorris Reservoir along shore 1372 Comment
  UC201706  Packera eurycephala W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek Warner Mountains 1676 Comment
  UC76003  Packera eurycephala var. eurycephala Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC35935  Packera pseudaurea subsp. pseudaurea Mrs. R. M. Austin August 1894 Modoc Davis Creek Comment
  SEINET195691 Image available Paeonia brownii Annie M. Alexander, Louise Kellogg 1946-6-15 4778 Modoc Deep Creek 2160 Comment
  CAS-BOT-BC247557  Panicum capillare Louis Cutter Wheeler 1935-9-13 3984 Modoc Fletcher Creek. 1524 Comment
  JEPS114781  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
  CAS-BOT-BC225849  Parnassia fimbriata Leland S. Smith 1918-8-26 1049 Modoc Head of canyon, Owl Creek Canyon. 2286 Comment
  SD58433  Paxistima myrsinites L. S. Smith 1922-5-28 Modoc Happy Camp Mountain below ridge. 1675 Comment
  CAS-BOT-BC232309  Pedicularis attollens Annie Montague Alexander; L. Kellogg 1946-6-20 4810 Modoc Below Eagleville. 1440 Comment
  JEPS28992  Pedicularis attollens Frances D. Payne 1931-6-12 153 Modoc Parker Creek; Warner Mountains 1584 Comment
  CAS-BOT-BC248370  Pedicularis groenlandica B. Bartholomew; H. Sun 2002-6-24 8860 Modoc Lassen Creek, SE of Harris Flat, W side of the Warner Mountains 1890 Comment
  JEPS28985  Pedicularis groenlandica Frances D. Payne 1929-7-7 66 Modoc Pine Creek Basin; Warner Mountains 2316 Comment
  UC748186  Pedicularis groenlandica Annie M. Alexander and Louise Kellogg 1946-6-28 4854 Modoc Pine Creek Canyon, n end of Warner Mountains Pine Creek Canyon; Warner Mountains 2240 Comment
  CAS-BOT-BC232306  Pedicularis groenlandica subsp. surrecta Bruce Bartholomew; Barrett Anderson 1988-6-24 4341 Modoc Cave Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC30196  Pellaea breweri Bruce Bartholomew 1992-8-9 6392 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mtns 2470 Comment
  JEPS29105  Penstemon davidsonii var. davidsonii Lauramay T. Dempster 1961-6-20 1715 Modoc ridge just north of junction of Dismal Creek Road with Fort Bidwell Road; Warner Mts. 2346 Comment
  JEPS8093  Penstemon davidsonii var. davidsonii W. L. Jepson 1918-8-13 7968 Modoc Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  CAS-BOT-BC232347  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-7-7 7519 Modoc Dry rocky eastern slope of Crane Mountain, Warner Mountains Comment
  RSA504638  Penstemon deustus Bruce Bartholomew 1988-6-23 4256 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  RSA531335  Penstemon deustus subsp. heterander Bruce Bartholomew 1990-6-15 5223 Modoc SW side of Deer Spring Ridge near the border with Lassen Co. 1720 Comment
  CAS-BOT-BC232369  Penstemon deustus var. pedicellatus Bruce Bartholomew 1990-6-15 5223 Modoc SW side of Deer Spring Ridge near the border with Lasson Co. 1720 Comment
  CAS-BOT-BC245530  Penstemon gracilentus Louis Cutter Wheeler 1935-8-8 3812 Modoc North Fork Bidwell Creek, Warner Mountains 2286 Comment
  CAS-BOT-BC245539  Penstemon gracilentus Frederick H. Frost 1925-7-25 156 Modoc Eagle Peak, Warner Mountains Comment
  UC27424  Penstemon heterodoxus var. shastensis Milo S. Baker 1893-6 Modoc Forestdale Comment
  CAS-BOT-BC245521  Penstemon humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16503 Modoc 22 mi. W of Canby along Hwy 139. Comment
  CAS-BOT-BC245527  Penstemon humilis var. humilis Mrs. H. C. Cantelow 1935-6-8 982 Modoc N of Canby. Comment
  RSA248650  Penstemon miser Christopher Davidson 1973-5-26 2137 Modoc St Hwy 299, ca 4 mi W of Canby. 1524 Comment
  CAS-BOT-BC232502  Penstemon roezlii Roxana Stinchfield Ferris; R. Duthie 1919-6-15 58 Modoc Along Parker Creek. Comment
  CAS-BOT-BC232507  Penstemon roezlii Elmer Ivan Applegate 1932-7-8 7566 Modoc W side of Cowhead Lake. Comment
  CAS-BOT-BC232513  Penstemon roezlii C. L. Hitchcock 1940-5-27 6672 Modoc 15 mi. NW of Alturas. 1615 Comment
  NY650098  Penstemon roezlii M. J. Williams 1988-6-2 8828- 7 Modoc Jess Valley, east of Likely, south of roadside rest Comment
  UC1540239  Penstemon roezlii Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9109 Modoc headwaters of upper South Deep Creek Warner Mountains, upper South Deep Creek 2194 Comment
  CAS-BOT-BC245485  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  NY651258  Penstemon rydbergii var. oreocharis J. T. Howell 1934-6-12 12022 Modoc Plum Valley, Warner Mountains Comment
  UC102984  Penstemon rydbergii var. oreocharis Mrs. R. M. Austin 1894-1 180 Modoc Goose Lake Valley Comment
  UC27421  Penstemon rydbergii var. oreocharis Mrs. R. M. Austin and Bruce July 1898 2358 Modoc Fields Comment
  CAS-BOT-BC245551  Penstemon speciosus Roxana Stinchfield Ferris; R. Duthie 1919-6-20 182 Modoc Above Parker Creek, Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC245557  Penstemon speciosus Bruce Bartholomew 1995-8-1 7156 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  HSC80745  Penstemon speciosus G. M. Riegel 1980-8-20 1087 Modoc S Warner Mtns. Comment
  JEPS11391  Penstemon speciosus Milo S. Baker 1893-7-8 Modoc near Forestdale, sw (Lava beds); , near Forestdale, sw Comment
  CAS-BOT-BC140471  Peraphyllum ramosissimum Malcom A. Nobs; S. Galen Smith 1949-5-29 766 Modoc East of Kelley Hot Springs Comment
  UC860388  Peraphyllum ramosissimum A. A. Heller 1938-6-24 15228 Modoc Between Alturas and Canby on U. S. Highway 299. Comment
  UC931945  Peraphyllum ramosissimum Verne Grant and Alva Grant 1948-7-10 8008 Modoc s of Alturas (on Highway 359) Comment
  CAS-BOT-BC15710  Perideridia bolanderi subsp. bolanderi Louis Cutter Wheeler 1935-8-16 3881 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC15716  Perideridia oregana Alice Eastwood; John Thomas Howell 1940-6-15 8295 Modoc 9 mi. N of Lookout. Comment
  UC1389996  Perideridia oregana T. I. Chuang and F. Gleason 1963-8-23 5926 Modoc about 5 mi w Alturas Comment
  UC726878  Perideridia oregana A. A. Heller 1941-6-25 16208 Modoc plateau s Big Sage Reservoir (nw of Alturas) Comment
  CAS-BOT-BC95156  Peritoma platycarpa Mrs. H. C. Cantelow 1940-5-31 3059 Modoc 7.3 mi W of Alturas. Comment
  CHSC117289  Persicaria lapathifolia Lowell Ahart; John Dittes 2016-7-14 21189 Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC218156  Persicaria maculosa Bruce Bartholomew 1992-8-7 6355 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  RSA181790  Phacelia adenophora H. N. Metcalf, J. C. Wilson 1965-7-1 65 -21 Modoc Davis Creek. Comment
  UC192181  Phacelia glandulifera J. G. Lemmon 2 Modoc Surprise Val. Comment
  HSC81069  Phacelia hastata G. M. Riegel 1980-8-28 1070 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC179256  Phacelia hastata subsp. hastata Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6031 Modoc Canyon of Warner Mts. W of Cedarville. 1493 Comment
  HSC81101  Phacelia heterophylla G. M. Riegel 1980-6-30 776 Modoc S Warner Mtns. 1670 Comment
  UC71796  Phacelia heterophylla subsp. virgata Mrs. M. H. Manning 1903-6 153 Modoc woods near Fort Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC180005  Phacelia heterophylla subsp. virgata Elmer Ivan Applegate 1935-6-8 9413 Modoc Near and W of Indian Well, Lava Beds National Monument. Comment
  UC24489  Phacelia heterophylla subsp. virgata Geo. H. Boke 1890-1 Modoc Comment
  HSC13711  Phacelia humilis M. T. Milligan 1966-7-3 528 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  HSC30046  Phacelia humilis D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19313 Modoc Soup Springs Campground Comment
  CAS-BOT-BC179998  Phacelia humilis var. humilis Bruce Bartholomew; Barrett Anderson 1988-6-24 4366 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  RSA151943  Phacelia humilis var. humilis R. C. Bacigalupi, L. R. Heckard, Ruth D. Sanderson, G. Bacigalupi 1952-6-18 3748 Modoc About 200 feet above and south of Cedar Pass, Warner Mountains. 1982 Comment
  JEPS91086  Phacelia inundata Dean Wm. Taylor, Glenn L. Clifton, Rexford E. Palmer 1987-8-9 9271 Modoc Dry Lake 1341 Comment
  UC526140  Phacelia linearis John Thomas Howell 1934-6-13 12081 Modoc Fandango Pass Warner Mts. 1828 Comment
  CAS-BOT-BC179963  Phacelia linearis John H. Hatton 1911-6-22 147 Modoc Near Huffman Ranch. 1615 Comment
  OBI59430  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc hwy 139 ca 50 airmiles SW of Klamth Falls, a few mi N of Agric. inspection station, 1 mi S of S jct to Lava Beds Natl Monument E of Tonesta. T44N R6E sec 14 1311 Comment
  UCSB27389  Phacelia linearis Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls near Clear Lake, east of Likely Warner Mtns. Comment
  HSC24868  Phacelia mutabilis Richard Spjut 1970-7-22 875 Modoc Just NW of Little Baldy Peak, 6 mi. W of Surprise Valley, N of Warner Mts. Comment
  RSA531328  Phacelia ramosissima var. eremophila Bruce Bartholomew, B. Anderson 1990-7-20 5486 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  CAS-BOT-BC179935  Phacelia ramosissima var. ramosissima Alice Eastwood; John Thomas Howell 1940-6-13 8116 Modoc Surprise Valley. Comment
  CAS-BOT-BC179911  Phacelia thermalis Barrett Anderson 1986-7-9 3149 Modoc Crowder Flat Rd, 3.2 km off Hwy 299. 1510 Comment
  CAS-BOT-BC179914  Phacelia thermalis John Thomas Howell 1934-7-2 12364 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  CAS-BOT-BC179917  Phacelia thermalis Alice Eastwood; John Thomas Howell 1940-6-15 8287 Modoc 9 mi. N of Lookout. Comment
  SJSU9668  Phacelia thermalis W. Savage 1979-7-9 1514 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC791037  Phacelia thermalis Calvin McMillan and Malcolm Nobs 1949-6-16 1533 Modoc Porcupine Valley, ca. 30 miles northwest of Canby Comment
  UC1037187  Phalaris arundinacea Leo Whitney 1935-7-2 3565 Modoc Alturas Comment
  CAS-BOT-BC247551  Phleum alpinum Bruce Bartholomew 1989-8-11 5093 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  UCD89310  Phleum alpinum August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  CHSC13590  Phlox caespitosa C. S. Armor 1974-4-9 86 Modoc 200 yds sw of the north water storage tank in Alturas. 1310 Comment
  CAS-BOT-BC197948  Phlox diffusa Bruce Bartholomew 1991-5-25 5755 Modoc Turner Creek at County Rd. 90, N end of Big Valley, 6.4 km N of Lassen County line. 1230 Comment
  HSC17157  Phlox diffusa M. T. Milligan 1965-7-10 437 Modoc W slope of Eagle Peak. 2439 Comment
  JEPS86362  Phlox diffusa Jack and Betty Guggolz 1988-7-3 974 Modoc near summit of Bidwell Mountain; Bidwell Mountain Comment
  UC106954  Phlox diffusa Mrs. R. M. Austin 1886-1 Modoc hills e Goose Lake Goose Lake 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-BC197935  Phlox douglasii subsp. rigida M. M. Hanna 1956-6-7 s.n. Modoc Highway 139, between Canby and Tienestra. Comment
  RSA60320  Phlox douglasii subsp. rigida E. K. Balls 1950-5-10 15959 Modoc Hwy 395, 0.5 mile before jct, 5.5 miles NE of Alturas. 1524 Comment
  UC71715  Phlox gracilis Mrs. M. H. Manning Apr 1903 64 Modoc near Fort Bidwell (ne Modoc County) Comment
  RSA27670  Phlox rigida C. L. Hitchcock 1940-5-28 6730 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  CAS-BOT-BC197873  Phlox stansburyi Bruce Bartholomew 1991-5-25 5744 Modoc McGinty Point, SW side of Goose Lake. 1470 Comment
  CHSC67577  Phlox stansburyi James D. Jokerst 1983-5-31 1814 Modoc Near Hwy. 395 S of Alturas at the base of the upper ramparts of the butte just S of Signal Butte. 1341 Comment
  CAS-BOT-BC58309  Phoenicaulis cheiranthoides Bruce Bartholomew; Barrett Anderson 1989-4-27 4641 Modoc Dutch Flat, NW of Adin. 1390 Comment
  CAS-BOT-BC58311  Phoenicaulis cheiranthoides K. Paulson; Robert Paulson 1989-5-8 106 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC58583  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1932-8-5 8165 Modoc S slope of Cedar Mountain, Cedar Pass, Warner Mts. Comment
  RSA520350  Phoenicaulis cheiranthoides K. Paulson, R. Paulson 1989-4-16 98 Modoc Crowder Flat Road, Devil s Garden. Comment
  UC1037295  Phoenicaulis cheiranthoides Leo Whitney 1934-5-20 1656 Modoc Modoc National Forest, Devil's Garden, northeast portion of county Devil's Garden; Modoc National Forest, Devil's Garden 1524 Comment
  UC1037470  Phoenicaulis cheiranthoides unknown 1936-6-14 8344 Modoc near summit of Cedar Pass Cedar Pass; Warner Mountains, Cedar Pass 1935 Comment
  UC10759  Phoenicaulis cheiranthoides Mrs. R. M. Austin and Bruce June 1898 2153 Modoc Goose Lake Comment
  UCD116138  Phoenicaulis cheiranthoides Alan A. Beetle 1941-6-29 2831 Modoc Near summit of Cedarville Pass. 2118 Comment
  CHSC112775  Pilularia americana Lowell Ahart; John Dittes 2013-7-24 18924 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CAS-BOT-BC30198  Pinus albicaulis Robert Patterson; Mona Bourell 1993-8-15 5244 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC73417  Pinus albicaulis A. D. Borden 1911-8-1 s.n. Modoc S. fork of Parker Creek. Comment
  UC496207  Pinus albicaulis Elmer I. Applegate 1932-7-31 7991 Modoc Mill Creek Meadow Warner Mts., Pit River (head of river) 2438 Comment
  CAS-BOT-BC30152  Pinus attenuata Belknap C. Goldsmith 1912-6-30 61 Modoc W of Little Hot Spring Valley. 1066 Comment
  RSA176212  Pinus attenuata C. O. Stone 1963-12-26 277 Modoc In rockland on recent lava flow ca. 1 1/2 miles S of Gassaway Reservoir. 1098 Comment
  CAS-BOT-BC73240  Pinus contorta subsp. murrayana A. D. Borden 1911-6-15 s.n. Modoc Head of middle fork of Davis Creek. Comment
  UC1612282  Pinus contorta subsp. murrayana W. P. Taylor and H. C. Bryant 1910-7-8 Modoc Head of Shields Creek Warner Mts., Head of Shields Creek 2590 Comment
  UC711838  Pinus contorta subsp. murrayana Roxana S. Ferris and Laura Lorraine 1941-8-13 10572 Modoc East Creek about 1 mi e of Patterson Ranger Station (in sagebrush); Warner Moutains, Modoc National Forest, East Creek Comment
  CAS-BOT-BC73166  Pinus jeffreyi Elmer I. Applegate 1932-8-2 8069 Modoc Mill Creek Meadows, west slope Warner Mountains. 2438 Comment
  CAS-BOT-BC73168  Pinus jeffreyi Elmer I. Applegate 1932-8-4 8143 Modoc About 3 miles above Cantral Mill, Cherry Creek, on road to Mill Creek Meadows, Warner Mountains. 2133 Comment
  CAS-BOT-BC73019  Pinus monticola Elmer I. Applegate 1932-8-5 8168 Modoc Dry, rocky crest of Cedar Mountain, Warner Mountains, 3 miles north of Cedar Pass. 2438 Comment
  CAS-BOT-BC73024  Pinus monticola Marion Ownbey; Fred G. Meyer 1940-7-1 2153 Modoc Near summit of Clear Peak, Warner Mts. Comment
  HSC80918  Pinus monticola G. M. Riegel 1979-9-1 726 Modoc S Warner Mtns. 1670 Comment
  UCSB18054  Pinus monticola Haller, John 1962-6-8 Modoc Vicinity of Cave Lake, 1 mile west of Summit of New Pine Creek-Fort Bidwell Road, Warner Mountains 2072 Comment
  CAS-BOT-BC30155  Pinus ponderosa Belknap C. Goldsmith 1910-7-28 16 Modoc Fandango Creek, W slope Warner Mts. 1584 Comment
  CAS-BOT-BC79032  Pinus ponderosa Roxana S. Ferris; Rena Duthie 1919-7-13 130 Modoc Parker Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC79035  Pinus ponderosa A. D. Borden 1911-5-20 s.n. Modoc Ross Creek Comment
  CAS-BOT-BC21499  Pinus washoensis Bruce Bartholomew 1994-7-2 6822 Modoc Hillside just N of jcn. of Forest Service rds. 45N34 and 46N30. 2300 Comment
  CAS-BOT-BC58783  Plagiobothrys Clare Butterworth Hardham 1961-6-18 7815 B Modoc Cedar Pass, Warner Mountains Comment
  RSA149139  Plagiobothrys bracteatus I. L. Wiggins, Dorothy Wiggins 1961-6-16 16522 Modoc Drying swale near Cloverswale Creek, 4.8 miles NE of Canby 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
  RSA0039536  Plagiobothrys cusickii Lowell A. Ahart, John Dittes 2012-7-11 18332 Modoc North edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1191841  Plagiobothrys cusickii Verne Grant and Irving Schneider 1947-7-18 8039 Modoc Eastside Canal s Alturas (5 mi n of Bayley's bridge); Eastside Canal Comment
  UC1191845  Plagiobothrys cusickii Herbert L. Mason and Verne Grant 1947-7-12 13419 Modoc s of Alturas (along railroad track); Pit River Valley Comment
  JEPS127304  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2016-7-14 21160 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC58791  Plagiobothrys leptocladus G. Schoolcraft 1984-6-24 1260 Modoc E of Middle Alkali Lake. 1356 Comment
  RSA531369  Plagiobothrys mollis Bruce Bartholomew 1990-7-19 5401 Modoc Turner Creek at County Road 90, N end of Big Valley. 6.4 km N of Lassen County border 1230 Comment
  CAS-BOT-BC228488  Plagiobothrys salsus Ira L. Wiggins; Dorothy B. Wiggins 1961-6-13 16446 Modoc Lane on Phipp's Ranch, ca. 14 miles N of Cedarville, Surprise Valley Comment
  CAS-BOT-BC58737  Plagiobothrys scouleri John Thomas Howell 1934-6-15 12192 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CAS-BOT-BC58743  Plagiobothrys scouleri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16510 Modoc 13 mi. W of Canby, along Hwy 139. Comment
  POM368960  Plagiobothrys tenellus Christopher Davidson 1973-5-24 2107 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  HSC3778  Plagiobothrys tener M. T. Milligan 1964-7-1 113 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  HSC81141  Platanthera dilatata var. leucostachys G. M. Riegel 1980-8-6 990 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC242215  Platanthera dilatata var. leucostachys Bruce Bartholomew; Barrett Anderson 1988-7-21 4445 Modoc Field redacted by CAS, contact the data manager for more information 1580 Comment
  CDA35645  Platanthera leucostachys J. R. Keck Jr. 1985-7-11 PDR# 330134 Modoc Davis Creek, Modoc National Forest. Comment
  UC429330  Platanthera leucostachys M. F. Gilman 540 Modoc 1981 Comment
  UC4572  Platanthera stricta Mrs. R. M. Austin Aug 1894 Modoc headwaters Lassen Creek (Northern California); Headwaters Lassen Creek Comment
  CAS-BOT-BC245405  Plectritis macrocera Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16420 Modoc Near summit of Cedar Pass, betw. Alturas & Cedarville. 1950 Comment
  HSC21688  Plectritis macrocera M. T. Milligan 1965-7-1 406 Modoc Plateau W of Jess Valley. 1829 Comment
  JEPS26655  Plectritis macrocera Lauramay T. Dempster 1961-6-18 1698 Modoc 3.2 mi e of Cedar Pass (s of highway) 1737 Comment
  UC71838  Plectritis macrocera Mrs. M. H. Manning 1903-4-30 92 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  JEPS36545  Pleiacanthus spinosus W. L. Jepson 1918-8-9 7918 Modoc Ft. Bidwell 1432 Comment
  RSA14101  Poa Elmer I. Applegate 1927-4-24 5004 Modoc Modoc Battle Ground; Modoc Lava Beds Comment
  UC1037186  Poa X fibrata Leo Whitney 1935-7-23 3570 Modoc 15 mi w Canby (Happy Camp, <USEE> Plot); Modoc Nat'l Forest 1463 Comment
  UCD91811  Poa annua Annie M. Alexander; Louise Kellogg 1946-6-18 4791 Modoc Patterson Mill-Silver Creek Roads. 1828 Comment
  HSC80830  Poa bulbosa G. M. Riegel 1980-6-30 788 Modoc S Warner Mtns. 2100 Comment
  RSA149120  Poa bulbosa I. L. Wiggins, Dorothy Wiggins 1961-6-16 16527 Modoc along highway, 4.6 miles N of Adnin Comment
  RSA339138  Poa bulbosa Margaret J. Williams 1984-6-30 84- 80 -2 Modoc Seepage area near a reservoir 6.8 mi W of Cedarville-Gerlach road. Granger Canyon Rd, Warner Mtns. 1982 Comment
  UCD90871  Poa compressa Leo Whitney 1935-6-1 3169 Modoc one mile southwest of White Horse. Comment
  SD96114  Poa cusickii Jack L. Reveal 1976-6-2 1839 Modoc Modoc National Forest near Perez 1280 Comment
  CHSC67143  Poa pratensis James D. Jokerst 1987-5-11 2838 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, at Horse Camp. Comment
  RSA534587  Poa pratensis Bruce Bartholomew, B. Anderson 1990-7-21 5580 Modoc Homestead Flat, ca. 2.5 km E. of Patterson Ranger Station, E. side of Warner Mts. 2160 Comment
  UCD91823  Poa pratensis A. A. Beetle 1941-6-29 2822 Modoc 15 miles east of Alturas, road to Cedarville Pass. 1371 Comment
  UCD91979  Poa pratensis L. Whitney 1935-5-21 s.n. Modoc Hackamore Reservoir. Comment
  SEINET10659816  Poa pratensis Mona R. Bourell, R. Patterson 1993-8-15 Bourell 5274 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead. Along exposed rocky ridge. 2438 Comment
  CHSC112686  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18767 Modoc Meadow, about 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1024903  Poa pratensis subsp. pratensis Leo Whitney 1935-5-21 3112 b Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  SEINET220207 Image available Poa sandbergii Jack L. Reveal 1976-6-2 1840 Modoc Modoc National Forest; Modoc Nat. forest near Perez, 1274 Comment
  RSA534590  Poa secunda Bruce Bartholomew, B. Anderson 1989-6-2 4803 Modoc 6.4 km E of Fort Bidwell on road to Free Reservoir, NE corner of Surprise Valley. 1460 Comment
  CHSC67416  Poa secunda subsp. juncifolia James D. Jokerst 1986-8-11 2761 Modoc Radar Site Survey S of Doublehead Mtn., unnamed dry lake ca. 1.2 mi WNW of Rimrock Lake. Comment
  HSC10720  Poa secunda subsp. juncifolia R. C. Wunner 1965-7-1 329 Modoc Lava Beds N. M., 1/4 mi. from top of Gillems Bluff above Gillems Camp. Comment
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Aug 20 2013
  UC1037101  Poa secunda subsp. juncifolia Leo Whitney 1935-5-21 3095 Modoc ca 15 mi nw Canby (Hackamore, Spaulding's Butte); Modoc Nat'l Forest 1463 Comment
  UCD92386  Poa secunda subsp. juncifolia Herbert L. Mason; Malcolm A. Nobs, S. Galen Smith 1949-5-29 765 Modoc 2 miles E of Adin. Comment
  CAS-BOT-BC247657  Poa secunda subsp. secunda James Vale; et al 1981-5-21 4125 Modoc Devils Garden on Crowder Flat Rd. 1524 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
  HSC26515  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-5-6 5249 Modoc County Rd. 86, just E of Adin. 1098 Comment
  JEPS127211  Poa secunda subsp. secunda Lowell Ahart, John Dittes 2016-6-6 20940 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  UC1024672  Poa secunda subsp. secunda Leo Whitney 1934-4-15 2177 Modoc ca 15 mi nw Canby (Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1024906  Poa secunda subsp. secunda Leo Whitney 1935-5-19 3105 Modoc ca 15 mi nw Canby (Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1025015  Poa secunda subsp. secunda Leo Whitney 1935-7-13 3495 Modoc ca 17 mi n Canby (Badger Wells) Comment
  UC70658  Poa secunda subsp. secunda Mrs. M. H. Manning May 1904 425 Modoc ne Modoc County Comment
  UC70963  Poa secunda subsp. secunda M. S. Baker and Frank Nutting 1894-1 Modoc w side of Egg Lake Comment
  HSC65256  Poa wheeleri J. P. Smith, J. O. Sawyer 1973-8-8 7222 Modoc Near summit of Eagle Peak 2988 Comment
  HSC80831  Poa wheeleri G. M. Riegel 1979-7-30 628 Modoc S Warner Mtns. 1829 Comment
  HSC80842  Poa wheeleri G. M. Riegel 1979-7-23 585 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC6504  Pogogyne floribunda James D. Jokerst 1990-7-31 3205 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake) 1371 Comment
  CHSC67512  Pogogyne floribunda J. D. Jokerst 1990-7-31 3204 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), about 2 miles SE of Doublehead Mountain and 300 meters SE of the USFS dirt road that passes near E edge of lake at the line separating Sections 13 and 14. 1371 Comment
  CAS-BOT-BC95166  Polanisia dodecandra subsp. trachysperma E. S. Willits 1939-10-10 156 Modoc Surprise Valley. Comment
  CAS-BOT-BC197859  Polemonium micranthum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6474 Modoc 1.9 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1670 Comment
  UC1228812  Polemonium micranthum Lincoln Constance and Emil DiFulvio 1962-4-16 3748 Modoc open slope 3.2 mi n Likely; n of Likely 1310 Comment
  UC1332126  Polemonium micranthum Alice Eastwood, John Thomas Howell 1940-6-12 8057 Modoc between Likely and Jess Valley; between Likely and Jess Valley Comment
  CAS-BOT-BC197850  Polemonium occidentale Leland S. Smith 1920-8-10 20 Modoc Mill Creek Meadows. 2087 Comment
  SEINET13761523  Polemonium occidentale subsp. occidentale D. A. Charlet 1989-8-21 590 Modoc Warner Mountains, 1.2 kilometers northwest of Eagle Peak 2579 Comment
  UC1563901  Polyctenium fremontii Barbara Ertter 1988-6-18 7617 Modoc 1 mi s of s junction to Lava Beds National Monument (e of Tonesta, Highway 139 ca 50 airmi sw of Klamath Falls, a few mi n of Agric. Inspection Station); e of Tonesta, s of s jct to Lava Beds National Monument 1310 Comment
  JEPS13802  Polyctenium fremontii L. S. Smith 1917-5-27 780 Modoc along road to Jess Valley; West Valley 1524 Comment
  UC10287  Polyctenium fremontii Mrs. R. M. Austin May 1894 Modoc Ewing Creek Comment
  CAS-BOT-BC58321  Polyctenium fremontii var. fremontii Bruce Bartholomew 1991-5-24 5739 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  UC850123  Polygonum Lewis S. Rose 1940-6-14 40570 Modoc 8 mi nw of Canby 1524 Comment
  NY404673  Polygonum austiniae R. M. Austin 1886-1 s.n. Modoc Comment
  JEPS79754  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc 1 mi nw Mud Lake; Devil's Garden 1524 Comment
  RSA599749  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc Modoc Plateau: 1 mi. northwest of Mud Lake, Devil's Garden. 1524 Comment
  RSA0049649  Polygonum aviculare subsp. buxiforme Dean Wm. Taylor 2012-7-18 21280 Modoc Windmill Flat (tributary Juniper Creek, Pit River watershed, 11 miles S of Adin) 1706 Comment
  CDA2799  Polygonum convolvulus T. C. Fuller 1958-7-8 2019 Modoc Davis Creek. 0 Comment
  CAS-BOT-BC218126  Polygonum douglasii Bruce Bartholomew 1990-6-16 5255 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2130 Comment
  CAS-BOT-BC218131  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1988-6-25 4398 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC218132  Polygonum douglasii Louis Cutter Wheeler 1935-8-6 3801 Modoc Pine Creek (town). 1493 Comment
  CAS-BOT-BC218134  Polygonum douglasii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16390 Modoc 5 mi. E of Calif. St. Highway 299 along Cedar Pass road. Comment
  UC1562658  Polygonum douglasii Barbara Ertter 1988-6-18 7615 Modoc Hwy 139 1 mi s S jct to Lava Beds Nat'l Monument (e of Tonesta, a few mi n of Agric. Inspection Station, ca 50 air mi sw of Klamath Falls) 1310 Comment
  CDA19674  Polygonum douglasii G. D. Barbe 1991-8-28 4445 Modoc Modoc Plateau; Modoc National Forest. Kelley Spring site, n of Adin. 3.4 mi from Hwy 299 at Rush Creek, on Primary Forest Service Rd 22 and Rd 40N33. 1645 Comment
  RSA170179  Polygonum douglasii F. Payne 1935-7-6 784 Modoc Parker Creek, Warner Mtns, S and E of Alturas. 1585 Comment
  UC1179039  Polygonum douglasii subsp. douglasii F. H. Frost 1925-7-24 106 Modoc Jess Valley Warner Mts. Comment
  CHSC100508  Polygonum douglasii subsp. spergulariiforme Lowell Ahart; John Dittes 2008-8-26 15342 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  RSA125291  Polygonum kelloggii Peter H. Raven, Otto T. Solbrig 1958-6-18 13318 Modoc Meadow in forest of Pinus Jeffreyi, along dirt road 8.8 mi. south of Happy Camp Guard Station, Modoc National Forest. Comment
  JEPS86718  Polygonum polygaloides subsp. confertiflorum John Hale 1990-7-10 Modoc 16 mi wnw of Canby (adjacent to CA Highway 139, near concrete spillway of water project, w Modoc County) Comment
  JEPS98243  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-18 1406 Modoc 13 mi NW of Canby (along s side of Hwy 139; ca 500 ft e of FSR 44N11) 1481 Comment
  POM260895  Polygonum polygaloides subsp. confertiflorum Alice Eastwood, John T. Howell 1940-6-14 8210 Modoc 8 miles NW of Canby Comment
  UC1060639  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-7-6 14724 Modoc vernal pool near Plum Creek Camp Ground Comment
  UC1713245  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-7-6 14725 Modoc Rim Rock, west of Goose Lake Comment
  CHSC81395  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1400 Modoc Ca. 12 mi nw of Canby, n side of Hwy 139, 1.7 mi e of Forest Service Rd 33N11. 1490 Comment
  SJSU9598  Polygonum polygaloides subsp. esotericum W. Savage 1979-7-5 1366 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD77945  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-17 1387 Modoc Ca. 11 mi nw of Canby, on n side of Hwy 139, 2.2 mi e of Forest Service Rd 44N11. 1487 Comment
  UC711873  Polygonum polygaloides subsp. kelloggii Roxana S. Ferris and Laura Lorraine 1941-8-13 10553 Modoc Patterson Ranger Station Warner Mountains, Modoc National Forest, East Creek Drainage 2164 Comment
  CAS-BOT-BC218150  Polygonum spergulariiforme Bruce Bartholomew 1989-7-14 4923 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  JEPS74064  Polypogon monspeliensis Frances D. Payne 1935-7-28 805 Modoc s and e Alturas (hills n Parker Creek); Warner Mountains, hills n Parker Creek Comment
  CAS-BOT-BC225107  Populus trichocarpa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 140 Modoc Parker Creek below Nat. Forest Boundary. Comment
  UCD169695  Porterella carnosula Louis C. Wheeler 1935-8-22 3908 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  RSA603999  Porterella carnosula L. C. Wheeler 1935-8-3 3756 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 Comment
  RSA577885  Potamogeton diversifolius L. C. Wheeler 1935-8-22 3903 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  CAS-BOT-BC242237  Potamogeton gramineus Milo Samuel Baker 1899-8-18 s.n. Modoc Egg Lake Comment
  CAS-BOT-BC242232  Potamogeton natans Milo Samuel Baker 1899-8-12 s.n. Modoc Egg Lake. Comment
  CAS-BOT-BC242234  Potamogeton natans V. J. Wetherell; J. E. Finzel 1961-8-9 478 Modoc Stowe Reservoir Campground, 1 mi. E of Cedar Pass. 1828 Comment
  RSA252438  Potamogeton natans Robert F. Thorne, C. W. Tilforth 1969-9-5 39146 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-BC242229  Potamogeton nodosus Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River at Lookout. Comment
  CAS-BOT-BC242231  Potamogeton nodosus Bruce Bartholomew 1994-5-29 6732 Modoc Curtis Water Hole, NW of Egg Lake. 1280 Comment
  UC1536815  Potamogeton pectinatus Gordon H. True Jr. 1939-6-6 1009 Modoc near Canby; Gooch Swamp Comment
  CAS-BOT-BC242226  Potamogeton richardsonii Verne Grant; I. Schneider 1947-7-18 8053 Modoc 1.4 mi. N of Bayle's bridge, S of Alturas. Comment
  CAS-BOT-BC242273  Potamogeton richardsonii Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River, at Lookout. Comment
  UC1100090  Potamogeton zosteriformis Herbert L. Mason 1947-8-12 13515 Modoc near Alturas (s of Opahwash Butte); Pit River Comment
  UCR270962  Potentilla John F. Emmel 2000-8-3 1682 Modoc Modoc Plateau, north end of the Warner Mountains, slope and meadow 0.6 air mile ESE of Moonlight Mines, on NW flank of Mt. Bidwell 2470 Comment
  RSA233766  Potentilla biennis Robert F. Thorne 1969-9-5 39172 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  HSC75589  Potentilla breweri G. M. Riegel 1980-8-14 1068 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC214740  Potentilla drummondii Bruce Bartholomew; Barrett Anderson 1988-7-22 4543 A Modoc Benton Meadow, Warner Mts.. 2180 Comment
  JEPS47203  Potentilla fruticosa Frances D. Payne 1931-6-22 300 Modoc southeastern slopes Mt. Warren (Owl Creek, Warner Mountains); Warner Mountains, se slopes Mt. Warren, Owl Creek 2133 Comment
  UCR270416  Potentilla glandulosa John F. Emmel 2000-8-3 1683 Modoc Modoc Plateau, north end of the Warner Mountains, slope and meadow 0.6 air mile ESE of Moonlight Mines, on NW flank of Mt. Bidwell 2470 Comment
  CAS-BOT-BC214775  Potentilla gracilis Bruce Bartholomew 1995-8-1 7147 Modoc 12 Mile Creek, E side of the Warner Mountains. 2110 Comment
  CAS-BOT-BC214784  Potentilla gracilis Bruce Bartholomew; Barrett Anderson 1988-7-21 4473 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC214787  Potentilla gracilis C. C. (Mrs.) Bruce 1899-6-1 75 Modoc Davis Creek. Comment
  CAS-BOT-BC214790  Potentilla gracilis Milo Samuel Baker; Franklin P. Nutting 1894-1-1 s.n. Modoc Near Egg Lake. Comment
  CAS-BOT-BC214781  Potentilla gracilis Leland S. Smith 1918-6-14 937 Modoc Willow Creek and Lassen Creek. 1828 Comment
  CAS-BOT-BC214782  Potentilla gracilis Verne Grant; I. Schneider 1947-7-19 8073 Modoc Williams ranch, along Southern Pacific right-of-way near East Canal, in Pit Valley S of Alturas. Comment
  CHSC70770  Potentilla gracilis var. fastigiata A. Sanger 1997-7-8 2557 Modoc Quaking Aspen Spring within and north of Aspen stand. 1469 Comment
  JEPS47216  Potentilla gracilis var. fastigiata Frances D. Payne 1931-7-4 319 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC639591  Potentilla gracilis var. flabelliformis Frances Payne 1931-7-4 319 Modoc Parker Creek Warner Mountains. 1584 Comment
  CAS-BOT-BC214796  Potentilla millefolia Bruce Bartholomew 1993-6-12 6601 Modoc Tom Large Flat, W of Egg Lake. 1260 Comment
  CAS-BOT-BC225019  Poteridium annuum R. K. Gierisch; D. H. Esplin 1969-7-17 3551 Modoc Shields Creek. 1524 Comment
  CHSC109645  Poteridium annuum Lowell Ahart; John Dittes 2012-7-11 18341 Modoc Along a poor mowed road, about 1/2 mile southeast of the Pilot butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  HSC42460  Prunus andersonii Barbara Kelly 1977-8-9 553 Modoc Ash Creek Campground Comment
  RSA488044  Prunus andersonii Bruce Bartholomew, B. Anderson 1988-5-13 4140 Modoc N side of Dorris Reservoir, ca. 4 km E of Alturas along Parker Creek Road. 1340 Comment
  CAS-BOT-BC214808  Prunus emarginata A. D. Borden 1911-6-14 s.n. Modoc S slope Davis Creek. Comment
  JEPS44934  Prunus emarginata W. L. Jepson 1918-8-6 7837 Modoc Summit Fandango Pass Fandango Pass; Warner Mountains, Fandango Pass 1859 Comment
  UC12747  Prunus emarginata Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC214816  Prunus subcordata A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill, NE of Davis Creek. Comment
  CAS-BOT-BC214819  Prunus subcordata Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8388 Modoc Ft. Bidwell site 0.5 mi. NW of town. 1377 Comment
  CAS-BOT-BC214825  Prunus subcordata John Thomas Howell 1934-6-12 12012 Modoc Between Davis Creek and Plum Valley. Comment
  HSC27163  Prunus subcordata J. P. Smith, J. O. Sawyer 1972-5-6 5280 Modoc 2.8 mi. from jct. with Hwy. 395 on rd. between Davis Creek and Fandango Valley 1524 Comment
  JEPS19415  Prunus subcordata B. C. Goldsmith Modoc Myrtle Creek Canyon near Goose Lake Valley (w slope of Warner Mountains, northeastern Modoc County); Warner Mountains, Myrtle Creek Canyon Comment
  RSA59642  Prunus subcordata E. K. Balls 1950-5-12 14651 Modoc N of Bucks Creek Ranger Station. Modoc National Forest. 1829 Comment
  RSA59972  Prunus subcordata E. K. Balls 1950-5-13 14679 Modoc W of Goose lake. 1/2 mile S of Oregon-California state line. 1463 Comment
  UC719794  Prunus subcordata Rogers McVaugh 1941-8-5 6252 Modoc 5.5 mi w of Cedarville (e slope of Warner Mountains); Warner Mountains Comment
  UC12816  Prunus subcordata Mrs. R. M. Austin and Bruce June 1898 23434 Modoc Comment
  CAS-BOT-BC225010  Prunus virginiana var. demissa A. D. Borden 1911-6-15 s.n. Modoc S slope of Shields Creek. Comment
  RSA520372  Prunus virginiana var. demissa Bruce Bartholomew, B. Anderson 1989-6-1 4733 Modoc Shake Spring. NW side of Shaffer Mtn. 1500 Comment
  UC1191504  Prunus virginiana var. demissa Verne Grant, Irving Schneider 1947-7-22 8159 Modoc 1 mi nw of Highway 395 (on dirt road leading to s end of Goose Lake, at headwaters of North Fork Pit River); North Fork Pit River Comment
  UC467817  Prunus virginiana var. demissa W. P. Taylor and H. C. Bryant 1910-8-7 Modoc Warner Mountains, Dry Creek Dry Creek; Warner Mountains, Dry Creek 1447 Comment
  SEINET7452163  Prunus virginiana var. demissa J. H. Robertson 1974-8-27 NS 67 -74 Modoc Between Adin and Eagle Lake, Highway 139, 1 mile North of Willow Creek 1532 Comment
  CAS-BOT-BC498651  Pseudognaphalium L. S. Smith 1924-7-1 1502 Modoc Modoc Forest, Round Mt. 1676 Comment
  JEPS34063  Pseudognaphalium thermale L. S. Smith 1922-1-1 Modoc Modoc National Forest Comment
  JEPS126493  Pseudoroegneria spicata Jennifer Mueller July 18-25, 2016 CA 370 -232 Modoc Take county road 27 up Granger Canyon. Comment
  UCD91509  Pseudoroegneria spicata J. C. Hayes 1935-6-25 s.n. Modoc Alturas. Comment
  UCD91519  Pseudoroegneria spicata L. Whitney; E. Wilson 1934-6-6 s.n. Modoc Modoc National Forest. 1219 Comment
  UCD91520  Pseudoroegneria spicata L. Whitney 1935-7-2 s.n. Modoc Badger Well. Comment
  UCD91521  Pseudoroegneria spicata L. Whitney 1935-8-3 s.n. Modoc Hackamore. Comment
  UC1137086  Pseudoroegneria spicata subsp. spicata August L. Hormay 1932-7-15 Modoc Modoc National Forest, Crowder Ranger Station Crowder Ranger Station; Modoc National Forest, Crowder Ranger Station Comment
  UC1137111  Pseudoroegneria spicata subsp. spicata August L. Hormay 1932-7-14 Modoc Modoc National Forest, D D plot site Modoc National Forest; , D D plot site Comment
  UC60833  Pseudoroegneria spicata subsp. spicata M. S. Baker and Frank Nutting 1894-8-25 Modoc near Forestdale 1371 Comment
  CAS-BOT-BC95220  Pseudostellaria jamesiana Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10513 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC95226  Pseudostellaria jamesiana John Thomas Howell 1934-6-11 11959 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC95228  Pseudostellaria jamesiana Bruce Bartholomew 1991-7-6 5992 Modoc Vicinity of Happy Camp Lookout, Happy Camp Mountain. 1830 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
  SBBG15278  Pseudostellaria jamesiana H. and M. Dearing 1939-6-8 3600 Modoc Pine Cyn, Warner Mtns 1828 Comment
  UC189584  Pseudostellaria jamesiana Milo S. Baker 1893-1 Modoc Forestdale Comment
  SJSU9131  Pseudostellaria jamesiana J. W. Tilden 1958-6-26 1285 Modoc near W side Cedar Pass between Cedarville & Alturas 1828 Comment
  CAS-BOT-BC248379  Psilocarphus brevissimus var. brevissimus Louis C. Wheeler 1935-8-25 3920 Modoc Rim Rock Valley, Devil's Garden 1524 Comment
  CHSC99115  Psilocarphus brevissimus var. brevissimus Lowell Ahart; John Dittes 2008-6-21 14986 Modoc Bottom of a large vernal pool, about 50 yards northwest of a large culvert, about 25 yards west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  CAS-BOT-BC95683  Pterospora andromedea Bruce Bartholomew; Barrett Anderson 1988-7-21 4436 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  RSA233734  Pterospora andromedea R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-5 39153 Modoc Near Mill Creek Falls. Modoc Nataional Forest, Warner Mts. 1753 Comment
  UC748233  Pterospora andromedea Annie M. Alexander and Louise Kellogg 1946-8-10 5150 Modoc 1/2 mi beyond Porter Reserve road; Warner Mountains Comment
  RSA325278  Puccinellia nuttalliana A. Tiehm, Gary Schoolcraft, Jan Nachlinger 1984-6-24 8800 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville. 1357 Comment
  CAS-BOT-BC218226  Purshia tridentata var. tridentata Belknap C. Goldsmith 1910-4-29 4 Modoc Alturas. 1371 Comment
  CAS-BOT-BC218229  Purshia tridentata var. tridentata Francis Dorris Payne 1931-6-1 152 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC218234  Purshia tridentata var. tridentata Bruce Bartholomew; Barrett Anderson 1988-7-21 4447 Modoc Dry hillside, SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC218237  Purshia tridentata var. tridentata Mrs. H. C. Cantelow 1940-6-1 4321 Modoc E of Alturas. Comment
  CAS-BOT-BC248323  Purshia tridentata var. tridentata B. Bartholomew; H. Sun 2002-6-24 8867 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  RSA59867  Purshia tridentata var. tridentata E. K. Balls 1950-5-11 14609 Modoc W of Middle Lake. Between Eagleville and Cedarville. 1433 Comment
  CAS-BOT-BC95691  Pyrola picta Bruce Bartholomew; Barrett Anderson 1990-7-19 5415 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  UC73564  Pyrola picta Milo S. Baker Modoc Foresdale Comment
  UC584291  Pyrrocoma carthamoides var. cusickii G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2374 Modoc open fields center Round Valley (along state highway) 1066 Comment
  UCR198259  Pyrrocoma carthamoides var. cusickii G. D. Barbe 1991-8-27 4443 Modoc Modoc Plateau, Warner Mountins 2317 Comment
  HSC67877  Pyrrocoma hirta J. P. Smith, J. O. Sawyer 1973-8-8 7249 Modoc Along summit trail to Patterson Guard Station, 1 mi. S of trail to N Emerson Lake 2561 Comment
  SJSU9573  Pyrrocoma lanceolata var. lanceolata W. Savage 1979-7-3 1323 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC50358  Pyrrocoma uniflora var. uniflora Elmer Ivan Applegate 1932-8-1 8061 Modoc S slope of Warren Peak. Comment
  CAS-BOT-BC180121  Quercus kelloggii Bruce Bartholomew; Barrett Anderson 1988-6-23 4262 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC180122  Quercus kelloggii Leland S. Smith 1922-7-29 1324 Modoc Big Valley foothills. 1371 Comment
  CAS-BOT-BC180124  Quercus kelloggii Bruce Bartholomew 1989-7-15 5024 Modoc ca. 1.5 km from State Hwy 299 on road to Manzanita Mountain. 1650 Comment
  UC5622  Quercus kelloggii Milo S. Baker 1893-7-10 Modoc Comment
  UC1567399  Raillardella argentea G. Schoolcraft 1989-7-15 1964 Modoc n of Devils Knob; Warner Mts. 2621 Comment
  CAS-BOT-BC217253  Ranunculus alismifolius Bruce Bartholomew 1994-5-28 6718 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  JEPS81763  Ranunculus andersonii Mary H. Manning Modoc Comment
  CAS-BOT-BC379161  Ranunculus aquatilis var. aquatilis Clare R. Wheeler; Gladys L. Smith 1981-6-24 2570 Modoc Mendocino National Forest, Lily Pad Lake, 1 mi below and SE of Mount Sanhedrin Lookout 1646 Comment
  CAS-BOT-BC379167  Ranunculus aquatilis var. aquatilis Clare R. Wheeler; Gladys L. Smith 1979-5-27 1100 Modoc Red Mountain, BLM access road, 10 mi E of Hwy 101, N of Leggett 91 Comment
  JEPS17726  Ranunculus aquatilis var. capillaceus Rimo Bacigalupi with G. T. Robbins 1955-7-20 5387 Modoc about 4 mi s Cedarville (nr. roadside, on w edge of valley); Surprise Valley 1463 Comment
  HSC31048  Ranunculus aquatilis var. diffusus R. F. Thorne, C. W. Tilforth 1969-9-5 39176 Modoc S Fork of Pit River at bridge 3.8 mi. E of Likely 1387 Comment
  UCD95864  Ranunculus aquatilis var. diffusus Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch near Likely. Comment
  CHSC115555  Ranunculus cymbalaria Lowell Ahart; John Dittes 2015-7-16 20377 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
  SJSU9367  Ranunculus cymbalaria W. Savage 1979-7-6 1400 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1101382  Ranunculus cymbalaria var. saximontanus Herbert L. Mason and Verne Grant 1947-7-12 13392 Modoc irrigation ditch by Jones' Lane (off Hwy 395, several mi s of Alturas) Comment
  UCR133562  Ranunculus cymbalaria var. saximontanus Mrs. R. M. Austin 1895-1 166 Modoc Goose Lake 1433 Comment
  CAS-BOT-BC217238  Ranunculus eschscholtzii var. oxynotus Elmer Ivan Applegate 1932-8-3 8133 Modoc E slope of Eagle Peak, Warner Mts. 2743 Comment
  HSC18211  Ranunculus flammula var. ovalis M. T. Milligan 1966-7-5 556 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  JEPS55077  Ranunculus glaberrimus Leland S. Smith 1918-3-21 915 Modoc near Alturas; Juniper Flats 1371 Comment
  HSC18214  Ranunculus glaberrimus var. glaberrimus M. T. Milligan 1966-4-8 450 Modoc N end of Jess Valley 1616 Comment
  UC118383  Ranunculus hebecarpus Mrs. R. M. Austin May 1897 3 Modoc Goose Lake Valley Comment
  CAS-BOT-BC217179  Ranunculus occidentalis Bruce Bartholomew; Barrett Anderson 1988-5-12 4096 Modoc White Horse. 1340 Comment
  UC748216  Ranunculus occidentalis Annie M. Alexander and Louise Kellogg 1946-6-7 4673 Modoc 1/2 mi e Cedarville 1453 Comment
  UC71853  Ranunculus sceleratus Mrs. M. H. Manning 1903-6 148 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  UCR49699  Ranunculus sceleratus L. C. Wheeler 1935-8-3 3762 Modoc Warner Mtns, Rock Lake, Pine Creek 1921 Comment
  JEPS55164  Ranunculus sceleratus Mary H. Manning 1903-5-8 126 Modoc Comment
  CAS-BOT-BC217153  Ranunculus testiculatus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6542 Modoc 8 km E of Likely along S Fork of Pit River. 1380 Comment
  CDA3493  Ranunculus testiculatus C. B. Greenback 1981-4-9 Modoc Hawk s Nest, near Tule Lake. 0 Comment
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Jun 24 2009
  SEINET5338926  Ranunculus uncinatus var. uncinatus M. J. Williams 1984-6-30 84- 79 -3 Modoc 5.7 miles west of Cedarville-Gerlach road on Granger Canyon road. Warner Mtns. 1859 Comment
  RSA0026215  Ribes John F. Emmel 1997-6-9 1503 Modoc Warner Mts., west slope; along South Willow Ranch Road (east above Hwy 395), ca. 6 air miles south and 0.6 air mile east of Willow Ranch. 1585 Comment
  CAS-BOT-BC225861  Ribes aureum Roxana Stinchfield Ferris 1951-9-14 12465 Modoc E face of Warner Mtns. at California line between Adel, Oregon and Fort Bidwell. Comment
  CAS-BOT-BC225862  Ribes aureum Bruce Bartholomew; Mona 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
  HSC20274  Ribes aureum M. T. Milligan 1966-5-14 616 Modoc E slope of eroded volcanic plateau 1677 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
  NY454719  Ribes aureum B. M. Bartholomew 1988-5-14 4188 Modoc 2 km south of McGinty Point, edge of causeway across the southwest corner of Goose Lake 1430 Comment
  UC1191523  Ribes aureum Verne Grant, Irving Schneider 1947-7-22 8157 Modoc 1 mi nw Highway 395 (on road leading to s end of Goose Lake, meadow at headwaters of river); North Fork of Pit River Comment
  CAS-BOT-BC225864  Ribes cereum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10538 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC225875  Ribes cereum Harry Dwight Dillon Ripley 1944-6-2 6036 Modoc Pine Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC225881  Ribes cereum Francis Dorris Payne 1931-7-5 325 Modoc Fern Spring Gulch, Warner Mts. 1828 Comment
  CAS-BOT-BC225882  Ribes cereum Elmer Ivan Applegate 1932-7-9 7570 Modoc North slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC225884  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-5-12 4107 Modoc S side of Egg Lake. 1300 Comment
  HSC27248  Ribes cereum J. P. Smith, J. O. Sawyer 1972-5-6 5279 Modoc Hill along Lassen Creek on road from Fandango Valley to Davis Creek 1463 Comment
  NY454992  Ribes cereum B. M. Bartholomew 1989-4-29 4685 Modoc Surprise Valley Road, just south of the Oregon border, extreme northeast corner of Modoc County 1630 Comment
  UCSB11458  Ribes cereum var. cereum Dearing, Hugh; Dearing, Margaret 1939-6-8 Modoc Pine Canon 1524 Comment
  CAS-BOT-BC225896  Ribes inerme Elmer Ivan Applegate 1932-8-5 8163 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC225899  Ribes inerme var. inerme Bruce Bartholomew 1989-8-12 5118 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  CAS-BOT-BC225905  Ribes montigenum Bruce Bartholomew; Barrett Anderson 1988-6-24 4293 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  HSC80728  Ribes montigenum G. M. Riegel 1979-7-30 621 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC225928  Ribes velutinum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6500 Modoc W side of Timber Mountain on Crowder Flat Road. 1680 Comment
  HSC95832  Ribes velutinum Juha Pykala, D. H. Norris 1987-5-27 1155 Modoc Modoc National Forest, N end of Big Sage Reservoir 1494 Comment
  JEPS49236  Ribes velutinum L. S. Smith 1918-8-13 1033 1/2 Modoc Lost Lake South Warner Mts. 2286 Comment
  UC79649  Ribes velutinum Mrs. R. M. Austin 1894-1 Modoc Willow Creek Valley Comment
  RSA0019692  Ribes velutinum E. K. Balls 1950-5-13 14666 Modoc Goose Lake, east shore near Willow Ranch. 1463 Comment
  SEINET256218 Image available Ribes viscosissimum M. J. Williams 1984-6-29 84- 71 -3 Modoc West side of the Warner Mountains Lily Lake 2073 Comment
  UC858629 Image available Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 mi ne Alturas 1615 Comment
  RSA0020905  Ribes viscosissimum K. Paulson, R. Paulson 1989-6-21 145 Modoc Pine Creek Basin, W side of the Warner Mountains. 2110 Comment
  CAS-BOT-BC50368  Rigiopappus leptocladus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16373 Modoc Junction of Cedar Pass road with Hwy 299. Comment
  CDA19944  Rorippa austriaca R. Breckenridge 2002-6-19 PDR 1204561 Modoc Northern California; W of Hwy 395. 0 Comment
  CAS-BOT-BC58410  Rorippa columbiae Leland S. Smith 1920-7-14 1189 Modoc Marlin. 1371 Comment
  CAS-BOT-BC58416  Rorippa curvisiliqua Bruce Bartholomew; Barrett Anderson 1989-6-2 4789 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC58420  Rorippa curvisiliqua Bruce Bartholomew 1995-7-30 7052 Modoc W end of Widow Valley, Big Valley Mountains. 1380 Comment
  CAS-BOT-BC74419  Rorippa curvisiliqua Roxana S. Ferris; Rena P. Duthie 1919-6-14 169 Modoc Modoc National Forest Boundary. Parker Creek. Comment
  UC1191527  Rorippa curvisiliqua Malcolm A. Nobs, S. Galen Smith 1949-7-20 1054 Modoc four mi w Adin; w of Adin Comment
  SEINET11261958  Rorippa curvisiliqua Margaret J. Williams 1984-6-30 54- 80 -3 Modoc Near a reservoir 6.8 mi W of Cedarville-Gerlach road.; 0 1981 Comment
  CAS-BOT-BC218250  Rosa woodsii var. ultramontana Mrs. H. C. Cantelow 1940-6-1 4322 Modoc E slope Warner Mts., Cedar Pass Road. Comment
  CAS-BOT-BC218256  Rosa woodsii var. ultramontana Alice Eastwood; John Thomas Howell 1940-6-12 8064 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC218259  Rosa woodsii var. ultramontana Bruce Bartholomew; Barrett Anderson 1990-7-20 5547 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  JEPS45631  Rosa woodsii var. ultramontana W. L. Jepson 1918-8-6 7847 Modoc Fandango Pass Surprise Valley (fields and at summit) 1447 Comment
  RSA59526  Rosa woodsii var. ultramontana E. K. Balls 1950-5-20 14814 Modoc Above South Fork Public Camp, on slope south of river, Likely to Jess Valley. 1433 Comment
  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-BC211337  Rumex acetosella Bruce Bartholomew 1994-7-2 6775 Modoc N side of Joseph Creek, 5.6 km E of U.S. Hwy. 395 on Forest Service road 30. 1590 Comment
  HSC17608  Rumex californicus M. T. Milligan 1964-6-20 67 Modoc 4 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  CAS-BOT-BC211350  Rumex lacustris Herbert Louis Mason; Verne Grant 1947-8-27 8309 Modoc South end of Clear Lake. Comment
  UC1735897  Rumex maritimus Dean W. Taylor 1989-8-6 10500 Modoc Warner Mountains, Suprise Valley, warm spring on west shore Lower Lake 1363 Comment
  UC1101209  Rumex salicifolius var. lacustris Herbert L. Mason and Verne Grant 1947-7-10 13336 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC1101219  Rumex salicifolius var. lacustris Verne Grant and Irving Schneider 1947-8-27 8309 Modoc s end Clear Lake Comment
  UC1101221  Rumex salicifolius var. lacustris Herbert L. Mason 1947-8-9 13482 Modoc n of Alturas (e side of Fairchild Swamp); Fairchild Swamp Comment
  UC748315  Rumex salicifolius var. salicifolius Annie M. Alexander and Louise Kellogg 1946-8-3 5113 Modoc Head of Eagle Creek Warner Mountains Comment
  CHSC117359  Rumex transitorius Lowell Ahart; John Dittes 2016-7-14 21194 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC211320  Rumex triangulivalvis Alice Eastwood; John Thomas Howell 1940-6-15 8280 Modoc Near Happy Camp Ranger Station. Comment
  RSA193946  Ruppia cirrhosa W. R. Dudley 1893-07 s.n. Modoc Santa Cruz County, Loggon E of Seabright, Santa Cruz Comment
  CAS-BOT-BC95280  Sagina saginoides Francis Dorris Payne 1935-6-19 791 Modoc Parker Creek at mouth of Dry Creek. Comment
  UC935798  Sagittaria cuneata Verne Grant and Irving Schneider 1947-7-29 8179 Modoc s Alturas (near Payne Reservoir, Fitzhugh Creek); Fitzhugh Creek, near Payne Reservoir Comment
  JEPS17727  Sagittaria cuneata Rimo Bacigalupi with G. T. Robbins 1955-7-20 5389 Modoc about 4 mi s Cedarville (on western edge of Surprise Valley); western edge of Surprise Valley 1463 Comment
  POM119225  Sagittaria cuneata Mrs. R. M. Austin 1895-07 479 Modoc Davis Creek Comment
  UC935738  Sagittaria cuneata Calvin McMillan and Malcolm A. Nobs 1949-6-16 789 Modoc 33 mi nnw Alturas (Dry Valley Reservoir); Dry Valley Reservoir Comment
  CAS-BOT-BC225113  Salix boothii Francis Dorris Payne 1932-7-21 728 a Modoc marsh S of Mosquito Lake, E side of Mt. Warren (Buck Mt.) Comment
  UCR143516  Salix boothii Frances D. Payne 1931-7-7 331 Modoc Warner Mountains, Pine Creek Basin, c. 33 km SE of Alturas 2280 Comment
  CAS-BOT-BC225755  Salix eastwoodiae Francis Dorris Payne 1931-6-25 275 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  SBBG28812  Salix eastwoodiae F. D. Payne 1931-7-8 177 Modoc Pine Crk Basin, ca. 33 km SE of Alturas 2280 Comment
  SD965  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas, wet flat near spring, creek 2280 Comment
  UC481860  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481861  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481864  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225768  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 494 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  HSC104031  Salix exigua L. Ahart, John Dittes 2008-8-25 15310 Modoc About 3.8 air mi. NNE of Lookout, ~ 1/8 mi. E of County Road 91, on the east bank (flood plain) of the Pit River 1273 Comment
  NY187439  Salix exigua F. D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km east of Alturas; meadow south of Payne Ranch 1560 Comment
  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
  POM218950  Salix exigua H. P. Bracelin, Frances D. Payne 1931-6-30 495 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  UC1408987  Salix exigua R. F. Thorne and C. W. Tilforth 1969-9-5 39142 Modoc ca. 6 mi e Likely (along S. Fork of Pit River above jct. with West Creek at Public Campground) 1402 Comment
  UC481955  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 494 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch) 1560 Comment
  SEINET10365301  Salix exigua E. K. Balls 1950-5-20 14793 Modoc South Fork Pit River, South Fork Public Camp. 1433 Comment
  RSA610748  Salix geyeriana Louis C. Wheeler 1935-9-11 3969 Modoc Devils Garden: Mulkey Place, Fletcher Creek. 1524 Comment
  UCR270593  Salix lasiandra John F. Emmel 2000-8-2 1678 Modoc north end Warner Mountains, along Pine Creek Road, 2.2 road miles east of Hwy 395 1585 Comment
  NY187672  Salix lasiandra var. lancifolia N. F. Bracelin 1931-6-30 490 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  LA208822  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 498 Modoc Parker Creek, 20 km. E of Alturas; meadow S of Payne Ranch 1560.0 Comment
  JEPS119657  Salix lasiolepis Lowell Ahart, John Dittes 2012-7-10 18316 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
  JEPS14858  Salix lasiolepis Frances D. Payne 1931-6-10 137 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  CAS-BOT-BC197553  Salix lasiolepis var. lasiolepis H. P. Bracelin 1934-6-16 825 Modoc Rush Creek Bridge, 5 mi. N of Adin. Comment
  POM220490  Salix lemmonii H. P. Bracelin, Frances D. Payne 1931-6-30 496 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  UC437299  Salix lemmonii Belknap C. Goldsmith 1911-5-21 26 Modoc e. shore Goose Lake; Modoc Forest Comment
  SBBG27359  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-30 498 Modoc Parker Crk, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  NY188138  Salix pseudocordata F. D. Payne 1932-7-21 728 -a Modoc East side of Mt. Warren (Buck Mt.), Warner Mts., east of Alturas Comment
  CAS-BOT-BC229833  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC95559  Salsola tragus Elmer Ivan Applegate 1932-7-6 8191 Modoc Eagleville, Surprise Valley. 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-BC497221  Salvia dorrii Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 27 -1 Modoc Hwy 395, 0.4 mi E of Susanville road after turn to Alturas Comment
  UCSB12379  Salvia dorrii var. dorrii Dearing, Hugh; Dearing, Margaret 1939-6-9 Modoc East side of Cedar Pass Comment
  CAS-BOT-BC184103  Salvia dorrii var. pilosa Elmer I. Applegate 1935-6-2 9283 Modoc Lava Beds National Monument. Indian Well Ranger Station Comment
  CAS-BOT-BC235063  Sambucus racemosa var. melanocarpa Frances Payne 1929-7-12 80 Modoc Lost Lake, Warner Mts. 2286 Comment
  RSA152608  Sanguisorba annua I. L. Wiggins, D. B. Wiggins 1961-6-12 16380 Modoc Near jct of Cedar Pass Rd and California State Hwy 299. 5.5 miles N of Alturas. Comment
  CAS-BOT-BC15718  Sanicula graveolens Milo Samuel Baker; Franklin P. Nutting 1894-6-15 Modoc Big Valley Mts. Comment
  CAS-BOT-BC95240  Saponaria officinalis Verne Grant; I. Schneider 1947-8-24 8256 Modoc S end of Jess Valley, Warner Mts. Comment
  UCD98476  Saponaria officinalis Verne Grant; Irving Schneider 1947-8-24 8256 Modoc in pastuer at south end of Jess Valley in Warner Mountains. Comment
  CAS-BOT-BC95564  Sarcobatus vermiculatus E. S. Willits 1940-6-9 340 Modoc Cedarville. Comment
  CAS-BOT-BC95569  Sarcobatus vermiculatus Bruce Bartholomew; Barrett Anderson 1989-6-1 4763 Modoc S end of Goose Lake. 1460 Comment
  UC1281255  Sarcobatus vermiculatus H. E. McMinn 1931-5-23 2457 Modoc e. Middle Lake Comment
  RSA152456  Saxifraga nidifica I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16423 Modoc Near summit of Cedar Pass. Between Alturas and Cedarville. 1936 Comment
  JEPS47516  Saxifraga nidifica var. nidifica Mrs. M. H. Manning 1903-10-11 33 Modoc Warner Range, north-eastern Modoc County Warner Range 1524 Comment
  CHSC85166  Schoenoplectus acutus var. occidentalis John Dittes; Josephine Guardino 1991-7-21 386 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
  RSA210779  Schoenoplectus acutus var. occidentalis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39070 Modoc SW shore of Goose Lake N of McGinty Point 1433 Comment
  CAS-BOT-BC245128  Schoenoplectus americanus Bruce Bartholomew 1989-8-10 5033 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  UC1100763  Scirpus acutus var. occidentalis Verne Grant and Irving Schneider 1947-7-18 8041 Modoc Eastside Canal 5 mi n Bayley's bridge (s of Alturas); , Eastside Canal Comment
  UC1100874  Scirpus americanus Herbert L. Mason, Verne Grant 1947-7-11 13364 Modoc 5 mi s Alturas (irrigation ditch on Highway 395); s of Alturas Comment
  CAS-BOT-BC110876  Scirpus microcarpus Robert F. Thorne; C. W. Tilforth 1969-9-4 39049 Modoc 11.8 mi N of Alturas along Hwy 395 1371 Comment
  JEPS121208  Scirpus microcarpus Lowell Ahart, John Dittes 2013-7-24 18944 Modoc South margin of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  POM186204  Scirpus microcarpus Milo S. Baker s.n. Modoc [no location specified] Comment
  UCD92474  Scolochloa festucacea D. Marcum 1997-10-14 s.n. Modoc southern part of county, near border of Lassen County, near town of Adin. 1300 Comment
  HSC21135  Scrophularia desertorum M. T. Milligan 1965-6-30 393 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  SEINET6673049  Scrophularia desertorum N. H. Holmgren, P. K. Holmgren 1978-6-10 8900 Modoc In canyon 13.4 km (8.3 miles) east of Likely, along road to Jess Valley. 1520 Comment
  CAS-BOT-BC197837  Scrophularia lanceolata Bruce Bartholomew; Barrett Anderson 1989-6-3 4870 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  POM203784  Scrophularia lanceolata J. T. Howell 1934-6-12 12008 Modoc Between Davis Creek and Plum Valley Comment
  CAS-BOT-BC179232  Scutellaria antirrhinoides Belknap C. Goldsmith 1912-7-1 60 Modoc Little Hot Spring Valley. 1219 Comment
  CAS-BOT-BC179234  Scutellaria antirrhinoides M. Vasey 1990-6-30 9028 Modoc Around NW margin of Egg Lake, Modoc National Forest 1300 Comment
  UC25795  Scutellaria antirrhinoides Milo S. Baker Jun 12 1893-Jul 10 1893 Modoc Comment
  CAS-BOT-BC179231  Scutellaria galericulata B. Bartholomew 1991-7-5 5943 Modoc North Willow Creek, vicinity of the Oregon border. 1580 Comment
  CAS-BOT-BC179215  Scutellaria nana M. Vasey 1990-6-29 9019 Modoc Along S Emerson Trail, near trailhead from N Emerson Lake. 2377 Comment
  CAS-BOT-BC179220  Scutellaria nana B. Bartholomew; Barrett Anderson 1989-6-2 4809 Modoc 9.3 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC179226  Scutellaria nana John Thomas Howell 1934-6-30 12257 Modoc Duncan Horse Camp. 1355 Comment
  UC1586968  Scutellaria nana Juha Pykala and D. H. Norris 1987-5-27 1099 Modoc about 1.5 - 2 mi from Highway 299 to Modoc National Forest boundary (Crowder Flat Road); Crowder Flat Road 1499 Comment
  JEPS48025  Sedum stenopetalum Frances D. Payne 1931-6-11 147 Modoc s and e Alturas (Parker Creek, n slope, Warner Mountains); Warner Mountains, Parker Creek, s and e of Alturas 1584 Comment
  CAS-BOT-BC95623  Sedum stenopetalum subsp. stenopetalum Barrett Anderson 1986-7-9 3154 Modoc Hwy 299 just W of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC498757  Senecio L. S. Smith 1924-6-8 1381 Modoc Modoc Forest. South side, Egg Lake and elsewhere Comment
  CAS-BOT-BC50339  Senecio aronicoides Bruce Bartholomew 1990-6-15 5229 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  HSC81123  Senecio aronicoides G. M. Riegel 1980-8-7 1011 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
  HSC67901  Senecio fremontii J. P. Smith, J. O. Sawyer 1973-8-8 7219 Modoc Near summit of Eagle Peak 2988 Comment
  HSC67927  Senecio fremontii J. P. Smith, J. O. Sawyer 1973-8-8 7224 Modoc Near summit of Eagle Peak 2988 Comment
  RSA0012564  Senecio hydrophilus F. W. Peirson 1926-6-25 6894 Modoc 1 mile east of summit of Warner Mts. on Cedarville Road. Comment
  CAS-BOT-BC50263  Senecio integerrimus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 127 Modoc Parker Creek, Warner Mountains 2133 Comment
  CAS-BOT-BC50253  Senecio integerrimus var. exaltatus K. Paulson; Robert Paulson 1989-5-8 110 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC50294  Senecio integerrimus var. exaltatus John Thomas Howell 1934-6-13 12046 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC50299  Senecio integerrimus var. exaltatus Betty J. Hammerly 1941-6-20 35 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC50300  Senecio integerrimus var. exaltatus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6489 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  UC71604  Senecio integerrimus var. exaltatus Mrs. M. H. Manning 1903-1 117 Modoc Mt. Bidwell, ne Modoc County Mt. Bidwell 1402 Comment
  UC748074  Senecio integerrimus var. exaltatus Annie M. Alexander and Louise Kellogg 1946-7-18 5019 Modoc Benton Meadow, upper end of meadow Warner Mountains 2072 Comment
  SEINET3148743  Senecio integerrimus var. ochroleucus E. K. Balls 1950-5-12 14655 Modoc Hillsides N of Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake 1646 Comment
  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
  UCSB17314  Senecio serra Haller, John 1961-6-25 Modoc Eagleville-Likely road, 0.5 mi W of crest of Warner Mountains, about 3 mi E of Patterson Ranger Station 2286 Comment
  JEPS5942  Senecio serra var. serra Frances D. Payne 1931-7-4 318 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA0013301  Senecio serra var. serra Bruce Bartholomew 1989-8-12 5109 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains 2040 Comment
  HSC81129  Senecio triangularis G. M. Riegel 1980-8-12 1033 Modoc South Warner Mtns. 2100 Comment
  CHSC100138  Shepherdia argentea L. P. Janeway; B. Castro 2008-8-16 9540 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  HSC80699  Sibbaldia procumbens G. M. Riegel 1980-8-7 1003 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC179070  Sidalcea oregana subsp. oregana Bruce Bartholomew; Barrett Anderson 1988-6-23 4235 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC179076  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-13 8123 Modoc Dear Davis Creek. Comment
  CAS-BOT-BC179079  Sidalcea oregana subsp. oregana Belknap C. Goldsmith 1912-8-23 68 Modoc Near Alturas. 1341 Comment
  CAS-BOT-BC179095  Sidalcea oregana subsp. oregana Leland S. Smith 1392 Modoc Modoc County. Comment
  RSA504609  Sidalcea oregana subsp. oregana Bruce Bartholomew, B. Anderson 1988-7-21 4423 Modoc S. end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC179053  Sidalcea oregana subsp. spicata Leland S. Smith 1920-7-13 1188 Modoc Crowder Flat. 1371 Comment
  JEPS3938  Sidalcea oregana subsp. spicata N. T. Mirov 1929-6-28 Modoc Fandango Valley Warner Mountains, Fandango Valley 1584 Comment
  UC748473  Silene douglasii Annie M. Alexander and Louise Kellogg 1946-8-9 5128 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  SEINET11944331  Silene douglasii M. Ownbey, Meyer, F. G. 1940-1 2154 Modoc Cedar Peak, Warner Mts Comment
  CAS-BOT-BC95246  Silene douglasii var. douglasii Bruce Bartholomew 1991-8-5 6031 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  UC8472  Silene lemmonii M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  HSC4222  Silene menziesii M. T. Milligan 1964-7-4 216 Modoc Lassen Creek above lower campground 1829 Comment
  HSC6905  Sisymbrium altissimum M. T. Milligan 1965-6-26 337 Modoc N end Jess Valley. 1616 Comment
  CAS-BOT-BC95044  Sisymbrium altissimum Gordon H. True 1964-6-3 1452 Modoc South Fork Pit River between Alturas and Goose Lake. 1463 Comment
  CDA36795  Sisymbrium altissimum D. B. Joley 1976-6-23 1 Modoc Likely, near Alturas. 0 Comment
  CHSC85188  Sisyrinchium bellum John Dittes; Josephine Guardino 1991-6-1 379 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CHSC42161  Sisyrinchium douglasii C. E. Laver 1986-3-26 Modoc Ca. 11.5 mi ne of Alturas and 1 mi sw of Thoms Creek. 1524 Comment
  JEPS64289  Sisyrinchium halophilum Frances D. Payne 1931-6-12 156 Modoc e of Alturas (Parker Creek); Warner Mountains 1584 Comment
  JEPS62125  Smilacina racemosa Frances D. Payne 1929-6-24 23 Modoc above Fitzhugh Springs; Warner Mts., Pine Creek Comment
  UC844168  Smilacina racemosa C. L. Hitchcock 1940-5-27 6681 Modoc 15 mi ne Alturas 1615 Comment
  UC71734  Smilacina racemosa Mrs. M. H. Manning Aug 22 1903-Jul 9 1904 135 Modoc Cottonwood Pass; ne Modoc Co. Comment
  UC3887  Smilacina stellata M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mts.; meadow Comment
  JEPS117295  Solanum dulcamara Lowell Ahart, John Dittes 2010-8-31 17095 Modoc On the south sdie of Ash Creek, about 10 yards west of the bridge, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Va 1267 Comment
  CHSC106352  Solanum triflorum Lowell Ahart; John Dittes 2010-8-30 17083 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS117366  Solanum triflorum Lowell Ahart, John Dittes 2010-8-30 17083 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley 1266 Comment
  JEPS12132  Solanum triflorum F. H. Frost 1925-7-20 92 Modoc 2 mi above Cedarville (Cedar Camp); Cedar Camp Comment
  CAS-BOT-BC245428  Solanum triflorum Belknap C. Goldsmith 1912-9-1 74 Modoc Modoc County. 1341 Comment
  SBBG28930  Solanum triflorum F. W. Peirson 1926-6-25 6878 Modoc 0.2 mi E of summit, near Ranch, Cedarville Rd Comment
  UC663360  Solanum triflorum Francis Drouet and Donald Richards 1941-9-10 4131 Modoc hills 2 mi nw of Alturas 1341 Comment
  JEPS5975  Solidago elongata Frances D. Payne 1932-7-22 746 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SEINET3873680  Solidago spectabilis John C. Semple, T. Ahmed; B. A. Suripto 1990-8-12 9299 Modoc Ca-299, 12.5 km W of Alturas, straight N of Rattle Snake Butte.; 0 Comment
  UC1999883  Solidago spectabilis J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-12 9299 Modoc CA-299, 12.5 km W of Alturas, straight N of Rattle Snake Butte. Comment
  CAS-BOT-BC54282  Solidago velutina subsp. californica Elmer Ivan Applegate 1932-8-4 8151 Modoc N side of Jess Valley, Warner Mountains Comment
  CAS-BOT-BC158918  Sorbus scopulina A. D. Borden 1911-8-1 s.n. Modoc Along high run on south slope of south fork of Parker Creek, Modoc Forest. Comment
  SBBG3121  Sorbus sitchensis H. and M. Dearing 1939-6-8 3638 Modoc Cave Lake, Warner Mtns Comment
  CAS-BOT-BC242256  Sparganium emersum Verne Grant; I. Schneider 1947-7-22 8137 Modoc North Fork of Pit River by State Quarantine Station. Comment
  UC1714645  Sphenosciadium capitellatum Mrs. M. H. Manning Aug 1903 199 Modoc Mill Canyon Comment
  UC4844  Spiranthes porrifolia Milo S. Baker 1893-8-13 Modoc Comment
  CAS-BOT-BC245024  Spirodela polyrhiza Bruce Bartholomew 1989-8-11 5052 Modoc Along W side of Goose Lake, 4.2 km N of McGinty Point on National Forest Road 48. 1430 Comment
  CAS-BOT-BC95286  Stellaria calycantha Francis Dorris Payne 1935-7-19 786 Modoc Parker Creek at mouth of Dry Creek. Comment
  CAS-BOT-BC95288  Stellaria longipes var. longipes Roxana Stinchfield Ferris; R. Duthie 1919-6-13 29 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC95297  Stellaria longipes var. longipes Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10548 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  SEINET188113  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles NE of Alturas 1615 Comment
  UC1037319  Stenotus lanuginosus var. lanuginosus Leo Whitney 1934-5-13 1859 Modoc Weed Valley; 14 miles east, notheast of upper end of Clear Lake. Northern Modoc County. 1524 Comment
  CDA14601  Stephanomeria spinosa G. D. Barbe 1991-8-27 4441 Modoc Warner Mountains; East of Bald Mountain, Modoc National Forest. 2316 Comment
  HSC80826  Stipa hymenoides G. M. Riegel 1980-7-15 886 Modoc South Warner Mtns. 1739 Comment
  HSC80834  Stipa nelsonii subsp. dorei G. M. Riegel 1980-8-28 1182 Modoc S Warner Mtns. 1670 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
  CAS-BOT-BC95049  Streptanthella longirostris Bruce Bartholomew 1991-5-24 5702 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  CAS-BOT-BC95051  Streptanthella longirostris Bruce Bartholomew 1994-5-15 6691 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  NY188846  Streptanthella longirostris B. M. Bartholomew 1989-6-2 4833 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 472.4 Comment
  HSC81067  Streptanthus cordatus G. M. Riegel 1980-8-13 1059 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC95061  Streptanthus cordatus var. cordatus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2135 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95071  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-22 4815 Modoc Bidwell Creek, 2 mi. above Fort Bidwell. Comment
  CHSC109214  Streptanthus cordatus var. cordatus L. P. Janeway; B. Castro 2012-7-24 10968 Modoc Warner Mountains. Along Forest Road/County road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  CAS-BOT-BC242259  Stuckenia pectinata Bruce Bartholomew; Barrett Anderson 1989-6-2 4798 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC95574  Suaeda calceoliformis Elmer Ivan Applegate 1932-7-6 8197 Modoc E side of Middle Lake, Surprise Valley. Along the nevada state line. Comment
  NY540342  Suaeda calceoliformis B. M. Bartholomew 1990-7-21 5560 Modoc West edge of Middle Alkali Lake, directly east of Cedarville, Surprise Valley 1370 Comment
  UCD99560  Suaeda calceoliformis Elmer Harris 1931-7-29 2242 Modoc Willow Ranch. Comment
  UC412595  Swertia albicaulis var. albicaulis Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell (ne Modoc County); , 12 Mile Creek Comment
  JEPS47012  Swertia albicaulis var. nitida Milo S. Baker 1893-7-20 Modoc near Forestdale (sw Modoc County) Comment
  UC711868  Swertia radiata Roxana S. Ferris and Laura Lorraine 1941-8-14 10595 Modoc 3 mi from Patterson Ranger Station (on the road to Eagleville); Warner Mountains, Modoc National Forest Comment
  CAS-BOT-BC95192  Symphoricarpos rotundifolius var. rotundifolius John Thomas Howell 1934-6-13 12105 Modoc Warner Mts., North Fork of Barber Creek. 1828 Comment
  CAS-BOT-BC95195  Symphoricarpos rotundifolius var. rotundifolius John H. Hatton 1911-6-20 123 Modoc Modoc County. 1524 Comment
  HSC4012  Symphoricarpos rotundifolius var. rotundifolius M. T. Milligan 1966-7-3 541 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  HSC80925  Symphoricarpos rotundifolius var. rotundifolius G. M. Riegel 1978-6-28 34 Modoc S Warner Mtns. 1670 Comment
  JEPS22820  Symphoricarpos rotundifolius var. rotundifolius Mrs. R. M. Austin Aug 1894 Modoc Lassen Creek Comment
  UC1119993  Symphoricarpos rotundifolius var. rotundifolius R. C. Wilson 1933-7-11 61 Modoc near Likely Saw Mill; Modoc National Forest, Canby Quad. 1828 Comment
  UC75818  Symphyotrichum ascendens Milo S. Baker 1898-8-1 524 Modoc Forestdale Comment
  UC912524  Symphyotrichum bracteolatum F. H. Frost 1925-7-25 161 Modoc Eagle Peak Warner Mts. Comment
  CAS-BOT-BC15221  Symphyotrichum eatonii Leland S. Smith 1922-8-8 1333 Modoc Along stream in Section 14.T40, R9 1524 Comment
  CAS-BOT-BC15151  Symphyotrichum foliaceum var. parryi Bruce Bartholomew; Barrett Anderson 1988-7-23 4591 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  JEPS5930  Symphyotrichum spathulatum Frances D. Payne 1932-7-9 765 Modoc s and e of, (Parker Creek) Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS5931  Symphyotrichum spathulatum Frances D. Payne 1931-7-18 339 Modoc s and e of, (Parker Creek) Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC15171  Symphyotrichum spathulatum var. spathulatum Herbert Louis Mason 1947-8-9 13480 Modoc East side of Fairchild Swamp, N of Alturas. Comment
  CAS-BOT-BC232366  Synthyris missurica Bruce Bartholomew 1990-6-16 5274 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2170 Comment
  UC1567428  Synthyris missurica G. Schoolcraft et al. Modoc n of Patterson Lake; Warner Mountains 2773 Comment
  SEINET13750737  Synthyris missurica M. J. Williams 1984-6-29 84- 72 -4 Modoc Cave Lake, west side of the Warner Mountains. 2134 Comment
  CHSC109733  Synthyris missurica subsp. missurica B. Castro; L. P. Janeway 2012-7-28 1980 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). 1943 Comment
  SEINET5344502  Taeniatherum caput-medusae M. J. Williams 1984-6-30 84- 75 -3 Modoc 27.4 mi N of Cedar Pass road on Hwy 395 1295 Comment
  RSA59370  Taraxacum officinale E. K. Balls 1950-5-11 14623 Modoc 8.1 mi NE of Fort Bidwell, above Cowhead Lake, along 8 mile Creek. 1463 Comment
  JEPS118472  Taraxia subacaulis Lowell Ahart, John Dittes 2011-6-21 17516 Modoc Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  SJSU13874  Taraxia tanacetifolia N. A. Hopkins 1985-5-13 1268 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
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Mar 25 2016
  UC1562576  Taraxia tanacetifolia Barbara Ertter 1988-6-18 7606 Modoc w side Hwy 139 just s where it crosses railroad at jct to Clear Lake (ne of Dry Lake e of Lava Beds Nat'l Monument) 1249 Comment
  UC71668  Taraxia tanacetifolia Mrs. M. H. Manning 1903-8-27 339 Modoc Mt. Bidwell 1981 Comment
  UCD136818  Tetradymia canescens J. M. Tucker 1950-7-25 1970 Modoc Beside highway 139, 26.4 miles southeast of Tule Lake. Comment
  CAS-BOT-BC54242  Tetradymia glabrata Bruce Bartholomew; Barrett Anderson 1989-6-2 4827 Modoc 9.7 km E of Eagleville at the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC217170  Thalictrum fendleri Annie Montague Alexander; L. Kellogg 1946-7-2 4895 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  JEPS60731  Thalictrum fendleri Leland S. Smith 1918-6-22 946 Modoc Lily Lake Modoc National Forest 2103 Comment
  NY496092  Thalictrum fendleri B. M. Bartholomew 1988-6-24 4319 Modoc Lily Lake; west side of the Warner Mountains. Fort Bidwell 15' Quad. 2130 Comment
  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
  CHSC110815  Thermopsis californica var. argentata Dean Wm. Taylor 2013-6-7 21369 Modoc 11 miles North of Lookout; along Forest Road 42N03 about 1.2 road miles west of County Road 91(Lookout to Tulelake). 1350 Comment
  UC1037240  Thermopsis californica var. argentata Leo Whitney 1935-6-2 3177 Modoc near White Horse; White Horse Lake (flat) Comment
  UC16383  Thermopsis californica var. argentata M. S. Baker and Frank Nutting June 1894 Modoc near Egg Lake Comment
  UCD162393  Thinopyrum intermedium Chuck Hughes 2015-9-12 438 Modoc Near the Larry Flat Campound, Modoc National Forest. 1823 Comment
  HSC6974  Thlaspi arvense M. T. Milligan 1965-6-23 307 Modoc N end Jess Valley 1616 Comment
  CHSC114923  Thlaspi arvense D. B. Joley 1976-6-23 3 Modoc Likely, near Alturas. Comment
  JEPS54048  Thlaspi arvense J. L. Chase Aug 1913 Modoc Adin Comment
  RSA504621  Thlaspi arvense Bruce Bartholomew, B. Anderson 1988-6-25 4379 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  UCD93193  Torreyochloa pallida var. pauciflora August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  CAS-BOT-BC54245  Townsendia scapigera Lemmon 1879-5-1 s.n. Modoc Modoc County. Comment
  CHSC115844  Tragopogon dubius Lowell Ahart; John Dittes 2015-7-16 20387 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
  UC26036  Trichostema oblongum Milo S. Baker 1893-7-24 Modoc Egg Lake Comment
  UC80656  Trifolium andersonii var. andersonii Mrs. R. M. Austin 1894-1 254 Modoc Goose Lake Valley Comment
  CAS-BOT-BC181773  Trifolium hybridum Bruce Bartholomew 1991-7-6 5963 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  CHSC100850  Trifolium kingii var. productum L. P. Janeway 2008-8-17 9563 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2409 Comment
  HSC81088  Trifolium longipes G. M. Riegel 1980-7-14 874 Modoc South Warner Mtn. 2100 Comment
  JEPS33192  Trifolium longipes var. hansenii Milo S. Baker 1893-5-26 Modoc Goose Valley Comment
  JEPS33202  Trifolium longipes var. hansenii Frances D. Payne 1931-6-25 253 Modoc 2 mi sw Warren Mtns (Pine Creek Basin) 2316 Comment
  CAS-BOT-BC181729  Trifolium macrocephalum R. M. Austin 1894-5-1 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC181731  Trifolium macrocephalum Mrs. H. C. Cantelow 1940-5-31 Modoc 8.9 mi. E of Indian Springs. Comment
  CAS-BOT-BC181732  Trifolium macrocephalum Leland S. Smith 1917-6-10 35 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC181734  Trifolium macrocephalum Annie Montague Alexander; L. Kellogg 1946-6-26 4837 Modoc Dismal Swamp. 2255 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
  UC748305  Trifolium macrocephalum Annie M. Alexander and Louise Kellogg 1946-6-26 4837 Modoc N end of Warner Mountains (Dismal Swamp) 2255 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
  UC485386  Trifolium macrocephalum Franklin P. Nutting Modoc meadow near Whitehorse Lake Comment
  UCD18892  Trifolium macrocephalum Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-5-10 200 Modoc 5 mi. NE along Hwy 139 from its intersection with Hwy 299, south of hwy 139, Canby site. Comment
  POM28805  Trifolium microcephalum R. M. Austin 1895-07 56 Modoc Goose Lake Valley. 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
  CAS-BOT-BC181756  Trifolium productum Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10579 Modoc Three miles from Patterson Ranger Station on road to Eagleville. Warner Mountains. Modoc National Forest Comment
  CAS-BOT-BC181759  Trifolium productum Bruce Bartholomew 1991-5-24 5732 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  HSC15168  Trifolium repens R. C. Wunner 1965-6-13 174 Modoc Indian Well Ranger Station, Lava Beds National Monument 1454 Comment
  HSC15187  Trifolium wormskioldii M. T. Milligan 1965-6-23 309 Modoc N end of Jess Valley 1616 Comment
  POM27705  Trifolium wormskioldii R. M. Austin 1895-07 258 Modoc Goose Lake Valley. Comment
  HSC81093  Trifolium wormskioldii G. M. Riegel 1980-7-30 974 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC245036  Triglochin concinna var. debilis Alice Eastwood; John Thomas Howell 1940-6-12 8036 Modoc Likely. Comment
  JEPS70739  Trisetum canescens L. S. Smith 1919-7-24 113 Modoc Joseph Creek; Warner Mts. Comment
  HSC13429  Trisetum spicatum M. T. Milligan 1965-7-10 428 Modoc W slope of Eagle Peak 2439 Comment
  JEPS70748  Trisetum spicatum Leland S. Smith 1918-7-14 994 Modoc Mill Creek; Modoc Forest, Eagle Peak 2133 Comment
  CAS-BOT-BC242159  Triteleia hyacinthina Bruce Bartholomew; Barrett Anderson 1990-7-19 5438 Modoc Sweagert Flat. 1860 Comment
  RSA378027  Triteleia hyacinthina George Willet 1935-6-14 s.n. Modoc 4 miles E of Likely. 1524 Comment
  JEPS64194  Triteleia hyacinthina Frances D. Payne 1929-7-3 39 Modoc s and e Alturas (Fern Spring Gulch, Parker Creek, Warner Mountains); Warner Mountains, Parker Creek, Fern Spring Gulch 1584 Comment
  RSA520462  Triteleia hyacinthina K. Paulson, R. Paulson 1989-6-21 139 Modoc Vicinity of N Fork of Fitzhugh Creek, west side of the Warner Mountains 1494 Comment
  CAS-BOT-BC252533  Triticum aestivum Leland S. Smith 1920-9-12 1192 Modoc E side of Round Valley. 1432 Comment
  UC1240170  Typha latifolia Verne Grant and Irving Schneider 1947-7-22 8163 Modoc on highway 395 about 1.5 mi n of bridge 3-13 near Alturas (North Fork of Pitt River); North Fork of Pitt River Comment
  UCR138278  Urtica dioica David A. Charlet 1989-8-21 585 Modoc Warner Mountains, 1.2 km NW of Eagle Peak 2579 Comment
  RSA523577  Utricularia vulgaris subsp. macrorhiza W. L. Jepson 1918-8-11 7935 Modoc Alturas. Comment
  JEPS51157  Vaccaria hispanica Frances D. Payne 1931-7-4 313 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  UCD99486  Vaccaria hispanica Frances D. Payne 1931-7-4 313 Modoc Parker Creek, Warner Mts, south and east of Alturas. 1584 Comment