Search Results — 2000 specimen records retrieved (1510 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73545  Abies concolor Elmer I. Applegate 1932-7-7 8218 Modoc Yellow Mountain, near Lily Lake, Bidwell Pass, Warner Mountains. Comment
  CAS-BOT-BC15629  Achillea millefolium R. M. Austin 1894-6-1 Modoc Lava beds. Comment
  CAS-BOT-BC15633  Achillea millefolium John Thomas Howell 1934-6-30 12254 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC15671  Achillea millefolium Bruce Bartholomew 1989-7-15 5000 Modoc Sweagert Flat. 1860 Comment
  UC469102  Achillea millefolium W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head, in meadow N. Fork Parker Cr.; Warner Mountains 2225 Comment
  CAS-BOT-BC242285  Achnatherum hymenoides Gordon H. True 1964-6-3 1451 Modoc Cedar Pass. 1524 Comment
  UC1037173  Achnatherum hymenoides Leo Whitney 1935-7-21 3534 Modoc cemetary Alturas Comment
  UC1024860  Achnatherum lemmonii Leo Whitney 1935-6-1 3170 Modoc 1 mi sw White Horse Comment
  UC821972  Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi n Alturas (near Surprise) 1402 Comment
  UCD50571  Achnatherum lemmonii August L. Hormay 1932-7-14 s.n. Modoc Modoc National Forest. Comment
  UCD50631  Achnatherum lemmonii R. Tofsrud 1947-7-1 211 Modoc Between Alturas and Cedarville, Modoc County. Comment
  RSA163808  Achnatherum lemmonii var. lemmonii Clare B. Hardham 1961-6-18 7552 Modoc Slopes, Hills, East side of Cedar Pass 1829 Comment
  CAS-BOT-BC242317  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1988-6-23 4286 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  UCD32733  Achnatherum nelsonii Beecher Crampton 1954-7-8 2178 Modoc Mococ County, Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  UCD50901  Achnatherum occidentale August L. Hormay 1932-7-14 s.n. Modoc DD plot site, Modoc National Forest. Comment
  UC1024992  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-11 3456 Modoc 4 mi e Medicine Lake (Glass Mountain); Glass Mountain Comment
  UCD51222  Achnatherum occidentale subsp. pubescens Beecher Crampton; Carl Rimbey 1954-7-6 2112 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  CAS-BOT-BC242312  Achnatherum thurberianum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16438 Modoc 4 mi. E of summit of Cedar Pass along Cedar Pass road. Comment
  SBBG128893  Acmispon americanus var. americanus L. Ahart 2008-8-25 15302 Modoc W bank (flood plane) of the Pit River, ca. 1/8 mi E of County Rd 91, ca. 3.8 mi (air) NNE of Lookout 1273 Comment
  CAS-BOT-BC218311  Aconitum columbianum Bruce Bartholomew 1989-8-11 5074 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC391351  Aconitum columbianum Elmer I. Applegate 1932-8-2 8095 Modoc Mill Creek Meadows, west slope of the Warner Mountains Comment
  RSA520447  Aconitum columbianum var. columbianum Bruce Bartholomew 1990-7-20 5498 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC218315  Actaea rubra Betty J. Hammerly 1941-6-20 29 Modoc Along banks of Clear Lake. S end of Warner Mts. 1767 Comment
  CAS-BOT-BC218320  Actaea rubra Bruce Bartholomew 1989-8-13 5147 Modoc Ambose Canyon at Lassen County boundary. 1800 Comment
  POM174164  Adenocaulon bicolor Milo S. Baker 1893-1 s.n. Modoc Modoc County Comment
  UC29320  Adenocaulon bicolor Milo S. Baker 1893-6 Modoc along heavily timbered stream Comment
  CAS-BOT-BC218326  Adonis aestivalis L. K. Mann; Pat Mann 1963-6-19 Modoc 1-2 mi. SW of Canby, U.S. Highway 299. Comment
  CAS-BOT-BC218329  Adonis aestivalis Bruce Bartholomew 1994-5-28 6709 Modoc W side of the S Fork of the Pit River, NW of Likely. 1330 Comment
  JEPS62934  Agastache urticifolia Leland S. Smith 1918-8-11 1028 Modoc Lost Lake , , Camp one (Modoc National Forest) 2499 Comment
  CAS-BOT-BC15644  Ageratina occidentalis Louis Cutter Wheeler 1935-8-14 3839 Modoc Pine Creek, Warner Mts. 2011 Comment
  HSC67885  Ageratina occidentalis J. P. Smith, J. O. Sawyer 1973-8-9 7256 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  SFV10995  Ageratina occidentalis J. Turner, F. M. Ball 1962-7-12 1189 Modoc Shortly below summit of Fandango Pass on east side. 1829 Comment
  JEPS6012  Ageratina occidentalis Frances D. Payne 1933-8-6 774 Modoc 2 mi sw Warren Mt. (se Modoc County); Pine Creek Basin 2316 Comment
  CAS-BOT-BC15523  Agoseris X dasycarpa Bruce Bartholomew; B. Anderson 1988-7-22 4492 Modoc Vicinity of East Creek Trailhead, southern end of Warner Mountains 2210 Comment
  CAS-BOT-BC23038  Agoseris grandiflora var. grandiflora B. Bartholomew; B. Anderson 1988-7-22 4484 Modoc Vicinity of East Creek Trailhead, southern end of the Warner Mountains, Emerson Peak 7 1/2' Quad 2210 Comment
  CAS-BOT-BC15325  Agoseris heterophylla Bruce Bartholomew; M. Bourell 1990-4-27 5178 Modoc 0.6 km SW of Hwy 299 on road to Higgins Flat 1480 Comment
  CAS-BOT-BC126782  Agoseris parviflora John Thomas Howell 1934-6-14 12115 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC126787  Agoseris parviflora B. Bartholomew 1991-8-5 6051 Modoc Summit Trail between Squaw Peak and [Cottenwood] Cottonwood Lake, crest of the Warner Mts. 2470 Comment
  JEPS114847  Agropyron desertorum Lowell Ahart, John Dittes 2008-6-21 15016 Modoc On the north side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber 1264 Comment
  RSA646244  Agropyron desertorum Marion P. Harthill 1971-6-23 386 Modoc Fandango Pass Comment
  RSA183180  Agrostis Delzie Demaree 1959-8-15 41490 Modoc Davis Creek botoms. Common on creek banks. P.O. Alturas 1454 Comment
  UC1037168  Agrostis alba Leo Whitney 1935-7-17 3512 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1100112  Agrostis alba Herbert L. Mason and Verne Grant 1947-8-13 13533 Modoc meadow on ne side of reservoir n Canby; F Reservoir Comment
  JEPS124362  Agrostis capillaris Lowell Ahart, John Dittes 2015-7-16 20371 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC242425  Agrostis exarata Leland S. Smith 1917-7-24 124 Modoc Joseph Creek. 1584 Comment
  CHSC110903  Agrostis exarata Lowell Ahart; John Dittes 2012-7-11 18347 Modoc 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  JEPS119855  Agrostis exarata Lowell Ahart, John Dittes 2012-7-11 18347 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 Country Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  UC1024982  Agrostis exarata Leo Whitney 1935-7-6 3416 Modoc Pitt River near Lookout; Pitt River Comment
  UC1024993  Agrostis exarata Leo Whitney 1935-7-7 3394 Modoc 4 mi nw Canby; Howard Gulch Comment
  CAS-BOT-BC242421  Agrostis scabra R. S. Ferris; L. Lorraine 1941-8-13 10567 Modoc East Creek about 1 mile east of Patterson Ranger Station, Warner Mountains Comment
  UC53474  Agrostis scabra M. S. Baker and Frank Nutting 1894-8-25 Modoc Forestdale 1371 Comment
  UC711820  Agrostis scabra Roxana S. Ferris and Laura Lorraine 1941-8-13 10567 Modoc about 1 mi e Patterson Ranger Station (East Creek); Modoc National Forest, Warner Mountains, East Creek Comment
  CHSC112045  Agrostis stolonifera Lowell Ahart; John Dittes 2012-7-10 18323 Modoc On dry soil, along the south side of the drainage, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC117357  Agrostis stolonifera Lowell Ahart; John Dittes 2016-7-14 21208 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-BC190687  Aliciella lottiae Bruce Bartholomew; Barrett Anderson 1989-6-2 4837 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC190682  Aliciella micromeria Bruce Bartholomew 1991-5-24 5695 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  CAS-BOT-BC245221  Alisma gramineum Herbert Louis Mason 1955-8-13 14653 A Modoc SW side of Goose Lake. Comment
  POM261432  Alisma gramineum Alice Eastwood, J. T. Howell 1940-6-12 8037 Modoc Likely Comment
  UC1100157  Alisma plantago-aquatica Herbert L. Mason 1955-8-13 14653 C Modoc s end Goose Lake Comment
  UC554  Alisma plantago-aquatica Mrs. C. C. Bruce Aug 1898 2232 Modoc Goose Lake Comment
  HSC65393  Alisma triviale Thomas Wood 1979-8-8 224 Modoc 1.2 mi. S and then W of Ft. Bidwell, along Hwy. 1, S of road, at edge of creek 1372 Comment
  SEINET12043812  Allium M. S. Baker, Nutting, F. 1894-1 s.n. Modoc Rocky hillside, Foresttdale 1372 Comment
  CAS-BOT-BC245012  Allium acuminatum Leland S. Smith 1918-6-26 938 Modoc Buck Creek Ranger Station. 1600 Comment
  CAS-BOT-BC245017  Allium acuminatum Bruce Bartholomew 1991-6-23 5876 Modoc 2.6 km NE of Crowder Flat Road on road between Ingall Swamp and Dorris Brothers Reservoir. 1520 Comment
  JEPS47579  Allium acuminatum Frances D. Payne 1932-6-10 631 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS56347  Allium acuminatum L. S. Smith 1918-6-26 938 Modoc Buck Creek Ranger Station Warner Range, Buck Creek Ranger Station 1600 Comment
  RSA70206  Allium acuminatum F. W. Peirson 1926-6-25 6874 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  CAS-BOT-BC459426  Allium acuminatum Roxana S. Ferris; Rena Duthie 1919-6-13 31 Modoc at base of Warner Mts above Parker Creek. Comment
  JEPS56363  Allium acuminatum L. S. Smith 1919-6-1 Modoc near Willow Ranch; Warner Mts., Deep Creek 1584 Comment
  RSA520463  Allium acuminatum K. Paulson, R. Paulson 1989-6-14 137 Modoc Junction of Highway 299 and Highway 395 at turn off to Cedar Pass 1372 Comment
  SEINET12048490  Allium acuminatum Unknown 1957-1 Modoc Comment
  HSC29864  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19477 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  UCD141838  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. Comment
  CAS-BOT-BC244994  Allium bisceptrum var. bisceptrum Bruce Bartholomew; Barrett Anderson 1988-6-24 4351 Modoc South Barber Creek, 6.3 km SW of County Road 1 on County Road 42, E side of the Warner Mts.. 1790 Comment
  JEPS47580  Allium lemmonii Frances D. Payne 1932-6-10 533 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC244960  Allium platycaule G. D. Hanna; M. M. Hanna 1956-6-1 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC244966  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC244969  Allium platycaule James Vale; et al 1981-5-23 4112 Modoc Between Canby and Adin near Pit River bridge. 1280 Comment
  CAS-BOT-BC244975  Allium platycaule Isabelo T. Kelly 1930-1-1 70 Modoc Buck Creek. Comment
  UC843416  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 mi ne Alturas 1615 Comment
  HSC67123  Allium platycaule Dale McNeal 1980-6-2 2341 Modoc Above Hwy. 395, 9.7 mi. S of Davis Creek Comment
  HSC81151  Allium platycaule G. M. Riegel 1980-8-13 1056 Modoc South Warner Mtns. 1829 Comment
  SEINET12048282  Allium platycaule M. Ownbey, Meyer, F. G. 1940-1 2145 Modoc Cedar Peak, Warner Mts Comment
  SEINET8191571  Allium platycaule M. J. Williams 1983-7-29 83- 116 -4 Modoc Warner Mountains, 1.1 mile N of Stowe Reservoir Campground, N of Cedar Pass. 2088 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
  UCD141775  Allium platycaule L. K. Mann 1955-6-5 s.n. Modoc Near Cedar Pass, 3 miles towards Alturas from Modoc National Forest. Comment
  UC1036048  Allium tolmiei var. tolmiei Annie M. Alexander and Louise Kellogg 1946-6-8 4702 Modoc near 3 mile Ranger Station sign (on road from Eagleville to Patterson Mill) 2225 Comment
  CHSC30630  Alopecurus Sandra C. Morey 1980-4-26 75 Modoc Hwy. 299, ca. 0.1 mi. n of jctn. with Hwy 139 at Adin. In ditch along roadside. 1280 Comment
  JEPS68428  Alopecurus aequalis Leland S. Smith 1918-6-22 942 Modoc Willow Creek below ranger station Willow Creek 1676 Comment
  CHSC99775  Alopecurus geniculatus Lowell Ahart; John Dittes 2008-6-21 14997 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) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  SJSU9640  Alopecurus geniculatus W. Savage 1979-7-7 1455 Modoc Triangle, west side of Fairchild Swamp unit, Devils Garden District, Modoc National Forest 1493 Comment
  CDA18403  Alopecurus pratensis G. D. Barbe, P. Hiatt & M. Keffer 1980-6-4 2803 Modoc Modoc Plateau; Eastside Canal/ Railroad crossing on Westside Road, north of Likely. 1341 Comment
  CHSC112687  Alopecurus pratensis Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18768 Modoc Meadow, about 100 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
  SEINET10971739  Alopecurus pratensis Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2614 Modoc 4 mi s of davis creek on us hwy 395, in very mesic grassland sedge meadow, Lupines very sparse and approximately a week or more behind the flowering of Those near alturas. 1402 Comment
  CAS-BOT-BC242333  Alopecurus saccatus John H. Hatton 1911-6-22 137 Modoc unspecified - Modoc National Forest Comment
  UC1483868  Alyssum simplex G. Schoolcraft 1980-4-29 216 Modoc Davis Creek Transfer Station 1463 Comment
  CHSC99247  Amaranthus californicus Lowell Ahart; John Dittes 2008-6-21 14982 Modoc 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
  SEINET200137  Amaranthus californicus H. L. Mason, V. Grant 1947-7-10 13326 Modoc Dorris Reservoir 2 miles east of Alturas Comment
  POM229957  Amaranthus californicus L. C. Wheeler 1935-8-18 3891 Modoc 2 miles northeast of Alturas 1357 Comment
  CDA13478  Amaranthus powellii G. F. Hrusa, T. D. Wilfred 1996-7-21 13325 Modoc Modoc Plateau; Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  RSA260414  Amelanchier pallida C. Leo Hitchcock 1940-5-27 6701 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC214634  Amelanchier utahensis Alice Eastwood; John Thomas Howell 1940-6-13 8122 Modoc Near Davis Creek. Comment
  CAS-BOT-BC217085  Amelanchier utahensis Isabelo T. Kelly 1930-1-1 6 Modoc Fort Bidwell Comment
  JEPS114497  Amelanchier utahensis Lowell Ahart, John Dittes 2008-8-25 15326 Modoc On the east side of East Gouger Neck Road, east of the Pit River, 2.1 miles by road from County Road 91, 5.6 miles (air) northeast of Lookout 1293 Comment
  UC1127787  Amelanchier utahensis R. C. Wilson 1933-6-4 36 Modoc Rush Creek; Modoc National Forest, Canby Quad. 1463 Comment
  UC567119  Amelanchier utahensis R. C. Wilson 1933-6-4 36 Modoc Rush Creek; Canby Quad. 1463 Comment
  CAS-BOT-BC245115  Amphiscirpus nevadensis Herbert Louis Mason; Verne Grant 1947-7-12 13436 Modoc Corporation Ranch Headquarters, N of Likely. Comment
  CAS-BOT-BC54151  Amsinckia menziesii Annie Montague Alexander; L. Kellogg 1946-6-12 4727 Modoc 1 mi. E of Lake City. 1414 Comment
  CAS-BOT-BC54196  Amsinckia menziesii John Thomas Howell 1934-6-12 11995 Modoc 6 mi. S of Davis Creek. Comment
  CAS-BOT-BC15621  Antennaria argentea Annie Montague Alexander; L. Kellogg 1946-6-17 4785 Modoc Cedar Pass road. 1767 Comment
  CAS-BOT-BC59211  Antennaria dimorpha John Thomas Howell 1934-6-14 12136 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  UC485205  Antennaria dimorpha Franklin P. Nutting Modoc Egg Lake Comment
  UCD77337  Antennaria flagellaris Robert E. Preston 2000-6-1 1358 Modoc Modoc Plateau, along Hwy 139, ca. 2 mi e of Forest Service Road 44N11. 1487 Comment
  CHSC66986  Antennaria geyeri James D. Jokerst 1987-5-11 2837 Modoc g strand of the 1353 Comment
  CAS-BOT-BC15585  Antennaria geyeri Frank Warrington Peirson 1926-6-26 6909 Modoc NW of Canby. Comment
  CAS-BOT-BC15594  Antennaria luzuloides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16424 Modoc Summit of Cedar Pass. 1920 Comment
  JEPS5980  Antennaria luzuloides Frances D. Payne 1932-6-10 641 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  SBBG7569  Antennaria luzuloides H. and M. Dearing 1939-6-9 3635 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  POM40363  Antennaria luzuloides Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  UC1302430  Antennaria luzuloides Clare B. Hardham 1961-6-18 7556 Modoc hills 3 mi se Cedar Pass; Warner Mountains Comment
  CAS-BOT-BC15561  Antennaria rosea subsp. rosea Elmer Ivan Applegate 1932-8-3 8112 Modoc Arid cres of Warner Mts., N of Eagle Peak. Comment
  HSC81144  Antennaria rosea subsp. rosea G. M. Riegel 1980-7-29 960 Modoc S Warner Mtns. 1829 Comment
  UCR57491  Anthemis R. D. Goeden, Don W. Ricker 1989-8-23 890823- 24 Modoc Davis Creek, south of Goose Lake & west of Hwy 395, beside Westside Road 1441 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
  UC105500  Apocynum androsaemifolium Mrs. R. M. Austin August 1894 Modoc Lassen Creek Comment
  UC71837  Apocynum androsaemifolium Mrs. M. H. Manning 1903-6 200 Modoc near Ft. Bidwell Ft. Bidwell; n.e. Modoc Co. Comment
  RSA503044  Apocynum androsaemifolium subsp. pumilum K. Paulson, R. Paulson 1988-7-13 77 Modoc Clear Lake area, Warner Mountains Comment
  UC22898  Apocynum cannabinum Mrs. R. M. Austin and Bruce 1898-7-1 2336 Modoc Middle Lake Comment
  UC9011  Aquilegia formosa Milo S. Baker 1893-6-29 Modoc Comment
  HSC18039  Aquilegia formosa var. formosa M. T. Milligan 1964-7-25 179 Modoc Pine Creek Basin, along trail. 2439 Comment
  UC1504427  Arabis holboellii var. pendulocarpa Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81194 Modoc ca 2 mi n of summit of road between Lake City and U.S. Hwy. 395; Warner Mountains Comment
  NY119572  Arabis sparsiflora G. Schoolcraft 1981-5-6 380 Modoc Northeast of Alturas 1554.5 Comment
  CAS-BOT-BC95661  Arctostaphylos patula C. C. (Mrs.) Bruce 1894-5-1 71 Modoc Willow Ranch. Comment
  POM77169  Arctostaphylos patula Mrs. R. M. Austin 1895-08 506 Modoc Willow Creek (Devils Garden). Comment
Read comments
Nov 26 2011
  RSA488026  Arctostaphylos patula Bruce Bartholomew, B. Anderson, Bartholomew 1988-5-12 4093 Modoc 4 km NW of White Horse. 1350 Comment
  JEPS51333  Arenaria aculeata W. L. Jepson 1918-8-7 7886 Modoc Mt. Bidwell 2438 Comment
  RSA298161  Arenaria aculeata J. P. Smith, J. O. Sawyer 1973-8-8 7232 Modoc At or near the summit of Eagle Peak 2988 Comment
  RSA531334  Arenaria aculeata Bruce Bartholomew 1990-6-15 5245 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  UCR34674  Arenaria rubella J. A. Harpel 1981-8-6 V 11 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  RSA564304  Arenaria tenella George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 35.6 miles northwest of Canby along California Highway 139. 1280 Comment
  CAS-BOT-BC15569  Arnica chamissonis subsp. foliosa Bruce Bartholomew 1989-7-15 4992 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC15415  Arnica cordifolia John Thomas Howell 1934-6-13 12064 Modoc Fandango Pass, Warner Mountains 1828 Comment
  JEPS35918  Arnica cordifolia N. T. Mirov 1929-7-4 Modoc 1 mi s Oregon-California boundary; Warner Mountains, Lily Lake 2133 Comment
  RSA504632  Arnica cordifolia Bruce Bartholomew, B. Anderson 1988-6-24 4320 Modoc Lily Lake, W side of the Warner Mountains. Sierran montane forest. 2130 Comment
  UC220228  Arnica cordifolia Mrs. R. M. Austin 1885-6-1 Modoc hills Comment
  UC29604  Arnica cordifolia Mrs. R. M. Austin and Bruce 1898-6-1 2165 Modoc Lake City Canon Comment
  CHSC118093  Arnica fulgens L. P. Janeway 2016-5-18 12074 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CAS-BOT-BC15280  Arnica longifolia Annie Montague Alexander; L. Kellogg 1946-8-3 5110 Modoc Head of Eagle Creek, Warner Mts. Comment
  HSC81149  Arnica longifolia G. M. Riegel 1980-8-7 1011 Modoc S Warner Mtns. 2100 Comment
  UC468977  Arnica longifolia M. F. Gilman 519 Modoc canyons 1676 Comment
  CAS-BOT-BC15287  Arnica mollis Annie Montague Alexander; L. Kellogg 1946-7-23 5055 Modoc NE of Emerson Peak. Comment
  HSC81049  Arnica mollis G. M. Riegel 1980-8-25 1108 Modoc S Warner Mountains 1670 Comment
  HSC81048  Arnica parryi G. M. Riegel 1979-7-31 610 Modoc South Warner Mountains 1829 Comment
  CAS-BOT-BC242408  Arrhenatherum elatius Leland S. Smith 1919-6-2 1112 Modoc Deep Creek Ranger Station. 1493 Comment
  CAS-BOT-BC15215  Artemisia arbuscula subsp. arbuscula George Henry Ward 1950-4-16 957 Modoc Foot of hills E of Goose Lake, ca. 35 mi. N of Alturas. Comment
  CHSC112367  Artemisia arbuscula subsp. arbuscula L. P. Janeway; B. Castro 2014-6-2 11286 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  RSA607261  Artemisia cana L. C. Wheeler 1935-8-16 3866 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  RSA608612  Artemisia cana L. C. Wheeler 1935-8-30 3931 Modoc Devil's Garden: Lakeshore Reservoir. 1524 Comment
  CAS-BOT-BC15253  Artemisia cana subsp. bolanderi Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10562 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC15256  Artemisia ludoviciana subsp. incompta Francis Dorris Payne 1934-8-29 s.n. Modoc Parker Creek. 1584 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
  CAS-BOT-BC93744  Artemisia ludoviciana subsp. incompta L. S. Smith 1032 Modoc Camp One above Lost Lake 2499 Comment
  CAS-BOT-BC15264  Artemisia ludoviciana subsp. ludoviciana Bruce Bartholomew 1992-8-10 6401 Modoc Rush Creek just N of Round Valley on Highway 299. 1350 Comment
  JEPS117359  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2010-8-30 17051 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  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
  UC217079  Artemisia nova H. M. Hall 1921-9-10 11672 Modoc 24 mi s Alturas Comment
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Jul 23 2013
  CAS-BOT-BC15201  Artemisia spinescens Bruce Bartholomew; Barrett Anderson 1989-4-29 4694 Modoc E side of Surprise Valley, just W of the Nevada border and ca. 15 km E of Cedarville. 1500 Comment
  CAS-BOT-BC15209  Artemisia tridentata subsp. tridentata James D. Jokerst 1983-7-27 1910 Modoc Near Signal Butte. 1340 Comment
  UC1192156  Artemisia tridentata subsp. wyomingensis Verne Grant and Irving Schneider 1947-7-20 8090 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC15654  Asclepias cordifolia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16441 Modoc 4 mi. E of Cedar Pass summit. Comment
  UC71609  Asclepias fascicularis Mrs. M. H. Manning August, 1904 206 Modoc canyon near Fort Bidwell (the old sawmill) Comment
  CAS-BOT-BC15663  Asclepias speciosa Bruce Bartholomew 1994-10-9 6888 Modoc 0.5 km N of Lassen County on road to Eagleville, S end of Surprise Valley. 1380 Comment
  CAS-BOT-BC15666  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
  CDA39827  Asclepias speciosa T. C. Fuller 1957-9-18 337 -57 Modoc Adin. 0 Comment
  CAS-BOT-BC54174  Asperugo procumbens Herbert Louis Mason; Verne Grant 1947-7-12 13416 Modoc Near S end of W Side Road, Pit River Valley, S of Alturas. Comment
  UCD119131  Asperugo procumbens John C. Hays 1947-5-26 s.n. Modoc Near Fort Bidwell. Comment
  RSA263865  Aster ascendens C. W. Tilforth, Dorothy Tilforth 1975-03 1150 Modoc C. 5 miles NW of Bishop, Hiway 395, along Owens River 2134 Comment
  POM39759  Aster eatonii Mrs. R. M. Austin 1895-08 578 Modoc Goose Lake Comment
  RSA252480  Aster eatonii R. F. Thorne, C. W. Tilforth 1969-9-5 39174 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  POM312507  Aster frondosus H. L. Mason 1947-8-11 13487 Modoc Reservoir, Kelley Hot Springs, on Alturas-Conby Highway Comment
  POM312494  Aster occidentalis H. L. Mason 1947-8-9 13480 Modoc East side of Fairchild Swamp, north of Alturas Comment
  CAS-BOT-BC218209  Astragalus canadensis var. brevidens R. M. Austin 1898-7-1 2213 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-BC177859  Astragalus curvicarpus var. curvicarpus Alice Eastwood; John Thomas Howell 1940-6-11 8024 Modoc 8 miles from Canby on road to Alturas Comment
  CAS-BOT-BC218218  Astragalus curvicarpus var. curvicarpus Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13335 Modoc 8.6 mi. W of Alturas on Hwy 299. Comment
  JEPS114698  Astragalus curvicarpus var. curvicarpus Lowell Ahart, John Dittes 2008-6-20 14976 Modoc Upland on the northeast side of Big Valley, about 5.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 8.3 miles (air) northeast of Bieber 1287 Comment
  UC862747  Astragalus curvicarpus var. curvicarpus Lewis S. Rose 1940-6-11 40513 Modoc Canby 1325 Comment
  CAS-BOT-BC182065  Astragalus filipes John Thomas Howell 1934-6-12 11986 Modoc Surprise Station. Comment
  CAS-BOT-BC182070  Astragalus filipes Elmer Ivan Applegate 1897-5-31 881 Modoc Bloody Point, E side of Tule Lake. Comment
  CAS-BOT-BC182076  Astragalus filipes Bruce Bartholomew 1991-6-20 5774 Modoc Junction of county roads 87 and 90. 1220 Comment
  CAS-BOT-BC182961  Astragalus filipes H. D. Ripley; R. C. Barneby 1944-5-31 5993 Modoc Mesa N.-W. of Alturas 1371 Comment
  CHSC118327  Astragalus filipes L. P. Janeway 2016-5-18 12055 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  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
  NY658482  Astragalus filipes B. M. Bartholomew 1989-6-2 4811 Modoc NE side of Upper Lake, 4 km. S of road to Fee Reservoir, NE end of Surprise Valley 1420 Comment
  UC13365  Astragalus filipes Mrs. R. M. Austin and Bruce June 1898 2208 Modoc Plains Goose Lake Valley Comment
  UC1539989  Astragalus filipes M. Mitchell 1936-5-21 50 Modoc 2 mi se Hospital Rock (Lava Beds National Monument); , se of Hospital Rock 1249 Comment
  UCR42407  Astragalus filipes G. R. Ballmer 1986-5-17 s.n. Modoc Along Hwy 139 from Klamath Falls to Alturas, east of Lava Beds National Monument, 9 mi. north of Perez. 1280 Comment
  JEPS54660  Astragalus filipes Leland S. Smith 1919-6-8 1126 Modoc Deep Creek above station (Modoc Forest); , Deep Creep above station 1676 Comment
  NY658503  Astragalus filipes A. A. Heller 1938-6-24 15226 Modoc On U.S. Highway 299, between Alturas and Caby 1341.1 Comment
  POM204050  Astragalus filipes J. T. Howell 1934-6-13 12086 Modoc Surprise Valley, 10 miles s. of Ft. Bidwell. 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
  CAS-BOT-BC182035  Astragalus purshii Bruce Bartholomew; Barrett Anderson 1989-4-29 4683 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  JEPS3943  Astragalus purshii N. T. Mirov 1929-5-30 Modoc Buck Creek Ranger Station e Goose Lake (Buck Creek Ranger Station, Warner Mountains); Warner Mountains, e of Goose Lake 1584 Comment
  CAS-BOT-BC182024  Astragalus purshii J. F. Emmel 1968-7-16 84 Modoc NW slope of Mt. Bidwell, Warner Mts. Comment
  CAS-BOT-BC182031  Astragalus purshii Elmer Ivan Applegate 1935-6-7 9400 Modoc Thomas Massacre area, Lava Beds National Monument. Comment
  CAS-BOT-BC193034  Astragalus purshii var. tinctus B. Bartholomew; B. Anderson 1988-5-13 4170 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mountains 1710 Comment
  SEINET5326796  Astragalus purshii var. tinctus D. Neal 1960-5-16 R- 51 Modoc 5 mi NE of Likely 1402 Comment
  POM26817  Astragalus whitneyi R. M. Austin 1895-05 31 Modoc Goose Lake Valley. Comment
  JEPS54832  Astragalus whitneyi var. confusus Frances D. Payne 1929-6-21 14 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek Comment
  CAS-BOT-BC181988  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1995-8-1 7163 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 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-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
  CAS-BOT-BC182000  Astragalus whitneyi var. lenophyllus E. S. Willits 1940-5-20 283 Modoc Canby. Comment
  CAS-BOT-BC182006  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1991-5-25 5757 Modoc Turner Creek at County Rd. 90, N end of Big Valley, 6.4 km N of Lassen County line. 1230 Comment
  CAS-BOT-BC182018  Astragalus whitneyi var. lenophyllus Alice Eastwood; John Thomas Howell 1940-6-11 8011 Modoc 6 mi. NE of adin on road to Canby. Comment
  CAS-BOT-BC17522  Athysanus pusillus B. Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6486 Modoc Near southeast corner of Big Sage Reservoir, 5.3 km east of Crowder Flat Road. 1580 Comment
  SEINET5340470  Athysanus pusillus R. C. Rollins, K. W. Rollins 1981-6-1 81189 Modoc Cedar Summit, between Alturas and Cedarville, off California Hwy. 299. 1890 Comment
  NY526833  Atriplex confertifolia B. M. Bartholomew 1989-4-29 4707 Modoc Southwest corner of Lower Lake, 1.8 km north of the Lassen County line, Surprise Valley. 1370 Comment
  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
  RSA620098  Atriplex rosea Mary DeDecker 1974-9-30 3710 Modoc Just south of Alturas: along Highway 395. 1280 Comment
Read comments
Aug 23 2007
  UC30523  Balsamorhiza M. S. Baker and Frank Nutting 1894-6-13 Modoc near Egg Lake Comment
  CAS-BOT-BC100052  Balsamorhiza hookeri M. S. Baker; Frank Nutting June 8 s.n. Modoc near Egg Lake Comment
  HSC5174  Balsamorhiza hookeri M. T. Milligan 1964-5-9 33 Modoc 4 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  UC1536834  Balsamorhiza hookeri G. H. True Jr. 1937-5-26 954 Modoc Adin Summit 1524 Comment
  POM350740  Balsamorhiza hookeri var. lagocephala Christopher Davidson 1973-5-26 2116 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC15132  Balsamorhiza sagittata Mrs. M. H. Manning 1903-5-1 113 Modoc Near Fort Bidwell. Comment
  CAS-BOT-BC15198  Balsamorhiza sagittata R. M. Austin 1898-6-1 2161 Modoc Goose Lake Valley Comment
  HSC81042  Balsamorhiza sagittata G. M. Riegel 1980-7-8 862 Modoc South Warner Mountains 1739 Comment
  RSA149085  Balsamorhiza sagittata Dorothy Wiggins 1961-6-15 16502 Modoc 22 miles W of Canby along Hwy 139 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-BC499171  Balsamorhiza serrata B. Bartholomew 1991-5-24 5726 Modoc 1.3 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake 1580 Comment
  NY529208  Bassia hyssopifolia B. M. Bartholomew 1990-7-21 5551 Modoc West edge of Middle Alkali Lake, directly east of Cedarville, Surprise Valley 1370 Comment
  CAS-BOT-BC248384  Beckmannia syzigachne John H. Hatton 1911-6-23 160 Modoc Modoc National Forest Comment
  POM313190  Beckmannia syzigachne H. L. Mason 1947-7-11 13367 Modoc Irrigation ditch by Jones Lane, off Highway 395, south of Alturas Comment
  RSA210784  Beckmannia syzigachne R. F. Thorne, C. W. Tilforth 1969-9-4 39057 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1433 Comment
  SEINET10934453  Beckmannia syzigachne Louis C. Wheeler 1935-10-5 Wheeler 4019 Modoc N Fork Pit River at Parker Creek. Damp silt. 1372 Comment
  UC472310  Berberis aquifolium var. aquifolium Franklin P. Nutting 1890-1 Modoc Big Valley Mts Comment
  NY526244  Betula glandulosa L. C. Wheeler 1935-8-15 3858 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225.0 Comment
  POM229933  Betula nana L. C. Wheeler 1935-8-15 3858 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  RSA611424  Betula nana L. C. Wheeler 1935-8-15 3858 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  CAS-BOT-BC54193  Betula occidentalis Gregg M. Riegel 1980-7-14 881 Modoc South Warner Mountains 1463 Comment
  RSA34820  Betula occidentalis Roxana S. Ferris, Laura Lorraine 1941-8-14 10600 Modoc 8.5 miles from Patterson Ranger Station on Eagleville road. Warner Mountains. Modoc National Forest. Comment
  CAS-BOT-BC498654  Betula pumila L. S. Smith 1917-7-29 127 Modoc Modoc Forest: Bald Mt. 2346 Comment
  RSA603852  Bidens cernua L. C. Wheeler 1935-9-22 3996 Modoc Warm Springs Valley: Pit River at Rattlesnake Butte. 1341 Comment
  CAS-BOT-BC218114  Bistorta bistortoides Annie Montague Alexander; L. Kellogg 1946-6-30 4881 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  HSC80998  Bistorta bistortoides G. M. Riegel 1980-7-7 850 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC15088  Blepharipappus scaber M. M. Hanna 1956-6-4 953 Modoc Alturas-Cedarville highway. Comment
  CAS-BOT-BC15113  Blepharipappus scaber Margaret J. Williams; et al 1988-6-2 88- 28 -4 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  CAS-BOT-BC15120  Blepharipappus scaber Mrs. H. C. Cantelow 1940-5-31 3088 Modoc 3 mi E of Canby. Comment
  HSC41116  Blepharipappus scaber Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3250 Modoc Modoc National Forest; along Hwy. 299 just N west of Adin Pass 1524 Comment
  JEPS22628  Blepharipappus scaber F. H. Frost 1925-7-20 93 Modoc 2 mi above Cedarville (Cedar Camp); Cedar Camp Comment
  SBBG14875  Blepharipappus scaber A. I. Richardson 1961-5-31 10 Modoc near Adin 1301 Comment
  CAS-BOT-BC15079  Blepharipappus scaber Louis Cutter Wheeler 1935-8-6 3795 Modoc Edge of Mts. 1/4 mi. E of Pine Creek (town). 1584 Comment
  JEPS38121  Blepharipappus scaber L. S. Smith 1918-5-2 919 Modoc hills around Adin Adin 19 Comment
  JEPS6015  Blepharipappus scaber Frances D. Payne 1932-6-22 579 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  RSA603853  Blepharipappus scaber L. C. Wheeler 1935-8-6 3795 Modoc Edge of mountains, 1/4 mile east Pine Creek (town), Warner Mountains. 1585 Comment
  SEINET3146118  Blepharipappus scaber L. S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  UC35784  Blepharipappus scaber Mrs. R. M. Austin and Bruce 1898-7-1 2322 Modoc Davis Creek Comment
  RSA0125908  Boechera Christopher Davidson 1973-5-26 2110 Modoc 4 miles W of Canby on Hwy 299. 1359 Comment
  RSA0049640  Boechera pauciflora Dean Wm. Taylor 2012-6-19 21248 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest 1463 Comment
  UC1563656  Boechera pauciflora Barbara Ertter 1988-6-18 7643 Modoc n of Adin (Adin Summit, on Hwy 299); Adin Summit 1584 Comment
  JEPS53167  Boechera pauciflora Frances D. Payne 1931-6-21 217 A Modoc s and e of Alturas (ridge sw of Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek 1981 Comment
  CAS-BOT-BC14524  Boechera puberula B. Bartholomew 1993-6-14 6662 Modoc 8.7 km east of County Road 114 on County Road 108, northwest of Clear Lake Reservoir. 1450 Comment
  SJSU9637  Boechera puberula W. Savage 1979-7-7 1458 Modoc Triangle, SW corner Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1508 Comment
  CAS-BOT-BC25530  Boechera retrofracta John Thomas Howell 1934-6-13 12107 Modoc Warner Mountains. North Fork of Barber Creek. 1828 Comment
  CAS-BOT-BC25698  Boechera sparsiflora B. Bartholomew 1991-5-25 5765 Modoc 8 km east of Likely on road to Jess Valley, north side of road along north side of South Fork of Pit River. 1460 Comment
  CAS-BOT-BC58568  Boechera sparsiflora Mrs. H. C. Cantelow 1940-6-2 3749 Modoc 1.7 mi W of Alturas on rd. to Lava Beds. 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
  UC585224  Boechera sparsiflora E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1833 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon 1524 Comment
  CAS-BOT-BC25896  Boechera subpinnatifida B. Bartholomew; M. Bourell 1990-4-28 5198 Modoc 0.3 km south of Davis Creek on highway 395. 1450 Comment
  CHSC109458  Brickellia grandiflora B. Castro; L. P. Janeway 2012-7-25 1948 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.6 air mi west of Lily Lake and 0.9 air mi northwest of Yellow Mountain. 6391 Comment
  CAS-BOT-BC244939  Brodiaea coronaria subsp. coronaria Barrett Anderson 1986-7-9 3141 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC244942  Brodiaea coronaria subsp. coronaria Alice Eastwood; John Thomas Howell 1940-6-14 8232 Modoc 8 mi. NW of Canby. Comment
  SEINET3921589  Bromus briziformis Margaret J. Williams, Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -1 Modoc Jess Valley, E of Likely, S of roadside rest.; 0 Comment
  CAS-BOT-BC242434  Bromus carinatus var. carinatus Leland S. Smith 1917-7-17 84 Modoc Deep Creek. 2042 Comment
  CAS-BOT-BC242443  Bromus carinatus var. carinatus Leland S. Smith 1922-7-17 1303 Modoc Near Alturas. Comment
  UCD59093  Bromus carinatus var. marginatus Beecher Crampton; Carl Rimbey 1954-7-8 2181 Modoc Above Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  UCD59096  Bromus carinatus var. marginatus Leo Whitney 1934-5-19 3043 b Modoc Timbered Mountains. Devil's Garden, Modoc National Forest, northeast portion of county. 1524 Comment
  UC1025050  Bromus commutatus Leo Whitney 1935-8-3 3597 Modoc Buck Creek Comment
  CHSC85100  Bromus hordeaceus John Dittes; Josephine Guardino 1991-7-21 432 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
  UC149681  Bromus hordeaceus H. M. Hall and E. B. Babcock June 1903 4246 Modoc Sierra Nevada Mountain, south-western Modoc County Sierra Nevada Mountain 1219 Comment
  CDA13463  Bromus inermis subsp. inermis G. F. Hrusa, T. D. Wilfred 1996-7-21 13310 Modoc Modoc Plateau; Large colony at edge of riparian willow scrub along Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Perennial 1.5-2 m tall. Comment
  CDA1828  Bromus japonicus T. C. Fuller 1958-7-8 1947 Modoc Corporation Ranch, Likely. 0 Comment
  JEPS69175  Bromus japonicus Leland S. Smith 1918-1 871 1/2 Modoc Comment
  RSA638220  Bromus japonicus L. C. Wheeler 1973-8-23 s.n. Modoc Big Mud Lake. Comment
Read comments
Nov 25 2015
  UCD57992  Bromus japonicus Louis C. Wheeler 1973-8-23 s.n. Modoc Big Mud Lake. Comment
  SEINET3922999  Bromus japonicus Leo Whitney 1935-6-30 3351 Modoc Spaulding's Butte, 16 miles west-northwest of Canby.; 0 Comment
  UC1024676  Bromus madritensis subsp. rubens Leo Whitney 1934-5-24 2172 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  RSA152720  Bromus marginatus I. L. Wiggins, Dorothy Wiggins 1961-6-12 16435 Modoc 4 miles E of summit of Cedar Pass, along Cedar Pass road. Comment
  SEINET5720387 Image available Bromus mollis Annie M. Alexander, Louise Kellogg 1946-1 4792 Modoc Silver Creek roads.; Patterson Mill 1829 Comment
  CAS-BOT-BC161573  Bromus suksdorfii L. S. Smith 1922-7-20 1277 Modoc Modoc Forest. Rush Creek Ranger Station in pasture. 1905 Comment
  CAS-BOT-BC242499  Bromus tectorum Leland S. Smith 1924-6-9 1394 Modoc Egg Lake. Comment
  HSC9360  Bromus tectorum M. T. Milligan 1965-6-23 299 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC197587  Calandrinia ciliata Bruce Bartholomew 1995-8-1 7146 Modoc 12 Mile Creek, E side of the Warner Mountains. 2110 Comment
  UCD123496  Callitriche fassettii Verne Grant; Irving Schneider 1947-7-18 8055 Modoc 1.4 miles north of Bayley's bridge, south of Alturas. Comment
  CAS-BOT-BC95094  Callitriche palustris Roxana Stinchfield Ferris; R. Duthie 1919-6-14 168 Modoc Along Parker Creek near Modoc Nat. Forest Boundary. Comment
  RSA611024  Callitriche palustris L. C. Wheeler 1935-8-15 3863 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  JEPS42845  Callitriche verna Frances Payne 1935-8-25 808 Modoc Parker Creek 1584 Comment
  UC1101518  Callitriche verna Herbert L. Mason and Verne Grant 1947-7-11 13366 Modoc s of Alturas (by Jones' Lane, off Highway 395) Comment
  CAS-BOT-BC244930  Calochortus leichtlinii Bruce Bartholomew 1989-7-15 5003 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC244936  Calochortus leichtlinii Fred. P. Cronemiller 1920-8-13 22 Modoc Mill Creek Meadow. 2438 Comment
  CHSC67722  Calochortus longebarbatus J. D. Jokerst 1983-7-14 1841 Modoc NW of Aden, center of south edge of Township/Range. 150 meters SW of logging road. Comment
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Jul 6 2007
  UC3386  Calochortus longebarbatus var. longebarbatus Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC242141  Calochortus macrocarpus Bruce Bartholomew 1991-8-4 6017 Modoc Vicinity of Mud Lake, 3.9 km by road S of Drift Fence Tank and ca. 8 km directly W of Goose Lake. 1580 Comment
  CAS-BOT-BC242145  Calochortus macrocarpus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10609 Modoc Summit of Fandango Pass. 1889 Comment
  RSA78908  Calochortus macrocarpus E. K. Balls, Percy C. Everett 1952-10-10 18149 Modoc Above S. Fk. Public Camp, 8 mi. E. of Likely on road to Jess Valley. 1555 Comment
  SJSU10008  Calochortus macrocarpus H. L. Buckalew 1961-6-28 Modoc opposite Upper Lake in Surprise Valley NE of Fort Bidwell 1402 Comment
  HSC15362  Calochortus macrocarpus var. macrocarpus Thomas W. Stark 1967-7-16 84 Modoc 2 mi. S of Lava Beds Natl. Monument, 10 mi. W of the town of Perez 915 Comment
  JEPS114393  Calycadenia fremontii Lowell Ahart, John Dittes 2008-8-25 15294 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
  SBBG128750  Calycadenia fremontii L. Ahart, J. Dittes 2008-8-26 15331 Modoc sides of County Rd 85a, 287 feet E of County Rd 91, 7.7 mi (air) NNE of Lookout 1303 Comment
  CAS-BOT-BC197576  Calyptridium umbellatum Elmer Ivan Applegate 1932-7-9 7597 Modoc N side of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC197579  Calyptridium umbellatum Elmer Ivan Applegate 1932-8-3 8128 Modoc Arid summit of Eagle Peak, Warner Mts. Comment
  SEINET195690  Calyptridium umbellatum Annie M. Alexander, L Kellogg 1946-6-25 4825 Modoc Dismal Swamp N end of Warner Mts 2256 Comment
  UC71595  Calyptridium umbellatum Mrs. M. H. Manning 1903-8-27 332 Modoc Mount Bidwell, Tamarack Flat, in north-eastern Modoc County Tamarack Flat; Mount Bidwell, Tamarack Flat Comment
  CAS-BOT-BC95588  Calystegia occidentalis subsp. occidentalis John Thomas Howell 1934-6-13 12083 Modoc Fandango Pass. 1828 Comment
  CDA33812  Calystegia occidentalis subsp. occidentalis Dale Woods 2010-7-1 s.n. Modoc Approx. 2 miles southeast of Hwy 299 along Kelly Springs Rd., at a west-facing overlook. 0 Comment
  SJSU8747  Calystegia occidentalis subsp. occidentalis H. L. Buckalew 1961-7-3 Modoc Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 1920 Comment
  RSA520497  Calystegia polymorpha Bruce Bartholomew 1989-7-14 4954 Modoc 6.5 km NE of Egg lake and 0.8 km E of Survice Gulch 1340 Comment
  CAS-BOT-BC242123  Camassia quamash subsp. breviflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16478 Modoc Campground on Lassen Creek, 1.6 mi. above ford. Comment
  UC1191233  Camassia quamash subsp. breviflora Malcolm A. Nobs, S. Galen Smith 1949-5-29 773 Modoc 1 mi e of Lake City Comment
  RSA59515  Camassia quamash subsp. breviflora E. K. Balls 1950-5-13 14660 Modoc 5 miles north of Bucks Creek, Highway 395, east of Goose Lake 1677 Comment
  HSC6615  Camelina microcarpa M. T. Milligan 1964-6-4 26 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  CAS-BOT-BC191135  Camissonia andina Peter Hamilton Raven 1963-5-29 18427 Modoc Junction of Cedarville Road with U.S. Hwy 395. Comment
  RSA75376  Camissonia andina F. W. Peirson 1926-6-25 6869 Modoc Cedarville Pass, Warner Mountains. Comment
  CAS-BOT-BC191118  Camissonia boothii subsp. alyssoides Bruce Bartholomew 1991-5-24 5709 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  NY851345  Camissonia contorta B. M. Bartholomew 1995-5-13 6912 Modoc 2.7 km northeast of County Road 38 on County Road 37, east side of the south end of Surprize Valley 1410 Comment
  UC20540  Camissonia contorta M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  NY852080  Camissonia tanacetifolia R. J. Weatherby 1955-7-8 1616 Modoc 7 miles north of Fort Bidwell 1875 Comment
  SEINET5512263  Camissonia tanacetifolia J. C. Beatley 1964-1 Modoc Locally common in Tule Lake area 1829 Comment
  CAS-BOT-BC191093  Camissonia tanacetifolia subsp. tanacetifolia Peter Hamilton Raven 1962-5-29 17896 Modoc Hwy 139 at S road to Lava Beds National Monument. Comment
  RSA8245  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1929-6-25 5898 Modoc Cottonwood Creek, east side of Goose Lake Comment
  CAS-BOT-BC191085  Camissonia tanacetifolia subsp. tanacetifolia Leland S. Smith 1918-5-16 926 Modoc Centerville Road W of Alturas. Comment
  CAS-BOT-BC95105  Campanula scabrella D. Showers 1978-8-8 4219 Modoc Near Patterson Lake. 2743 Comment
  HSC65547  Capsella bursa-pastoris Thomas Wood 1979-8-8 202 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  HSC81064  Cardamine breweri G. M. Riegel 1980-8-16 1037 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC58427  Cardamine breweri var. breweri Louis Cutter Wheeler 1935-8-16 3864 Modoc Dismal Swamp, Warner Mts. 2225 Comment
  CAS-BOT-BC58432  Cardamine breweri var. breweri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16404 Modoc Cedar Pass Camp ground, 3 mi. E of Thoms Creek bridge, on Cedar Pass Road. Comment
  CAS-BOT-BC58470  Cardamine breweri var. breweri Bruce Bartholomew 1991-10-13 6117 Modoc Stream just above Cave Lake, W side of Warner Mts. 1990 Comment
  CDA28673  Carduus acanthoides G. D. Barbe, C. B. Greenbank 1978-8-31 2427 Modoc Roadside, 1 mile south of junction of Camby Road and Highway 299. 0 Comment
  UCD140094  Carex angustata Verne Grant; Irving Schneider 1947-8-29 8352 Modoc Pit River, at bridge by Coal Stone Valley. Comment
  CAS-BOT-BC245195  Carex atherodes Robert Folger Thorne; et al 1969-9-3 39018 Modoc SE end of Tule Lake Sump, 0.5 mi. N of turnoff to Lava Beds National Monument. 1264 Comment
  CHSC110901  Carex athrostachya Lowell Ahart; John Dittes 2012-7-10 18305 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1537642  Carex athrostachya Gordon H. True Jr. 1939-6-25 993 Modoc NW of Alturas (Boles Meadow) Comment
  UCD146975  Carex aurea Chuck Hughes 2012-9-13 346 Modoc Bear Mountain. 2005 Comment
  RSA92358  Carex aurea Beecher Crampton 1954-7-6 2099 Modoc Edge of flowing water of Shields Creek, Warner Mountains, 20 miles east of Alturas. 1524 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
  HSC48185  Carex douglasii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19424 Modoc Near Hager Reservoir Comment
  HSC48188  Carex hoodii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19423 Modoc Near Hager Reservoir Comment
  CAS-BOT-BC245138  Carex inops subsp. inops Bruce Bartholomew 1989-7-15 5016 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC242363  Carex integra Annie Montague Alexander; L. Kellogg 1946-7-18 5021 Modoc Benton Meadow, upper meadow. 2072 Comment
  HSC7052  Carex integra M. T. Milligan 1964-7-4 215 Modoc Lassen Creek above lower campground 1829 Comment
  RSA577788  Carex jonesii L. C. Wheeler 1935-8-16 3877 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer 2226 Comment
  RSA0037177  Carex lanuginosa Lowell A. Ahart, John Dittes 2012-7-12 18368 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC242355  Carex lenticularis var. impressa Bruce Bartholomew; Barrett Anderson 1988-6-24 4333 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  UC1158683  Carex lenticularis var. lipocarpa Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8499 Modoc 15 mi e of Likely (just above Clear Lake, Warner Mountains, along Mill Creek); Warner Mountains, Mill Creek 1828 Comment
  HSC75585  Carex microptera G. M. Riegel 1979-8-23 698 Modoc S Warner Mtns. 2100 Comment
  HSC75588  Carex microptera G. M. Riegel 1979-8-11 646 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC245168  Carex nebrascensis Louis Cutter Wheeler 1935-8-16 3870 Modoc Dismal Swamp, Twenty-Mile Creek. 2225 Comment
  CAS-BOT-BC245174  Carex nebrascensis John Thomas Howell 1934-6-12 12020 Modoc Plum Valley. Comment
  JEPS117659  Carex nebrascensis Lowell Ahart, John Dittes 2010-8-30 17086 Modoc About 400 yards west the bridge across Ash Creek, Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north fo Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1277 Comment
  UC1100496  Carex nebrascensis Herbert L. Mason, Verne Grant 1947-7-10 13354 Modoc 1/4 mi w Dorris Reservoir (2 mi e of Alturas) Comment
  RSA364669  Carex nebrascensis A. M. Alexander, Louise Kellogg 1946-7-7 4928 Modoc Eight Mile Creek. Comment
  CAS-BOT-BC119596  Carex nigricans George Wilson Gillett 1957-8-10 1018 Modoc In cirque below E slope of Eagle Peak. 2651 Comment
  CHSC117046  Carex praegracilis Lowell Ahart; John Dittes 2016-6-6 20966 Modoc About 100 yards east of the dirt road, 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
  JEPS127230  Carex praegracilis Lowell Ahart, John Dittes 2016-6-6 20966 Modoc About one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  UC1024325  Carex raynoldsii Annie M. Alexander and Louise Kellogg 1946-6-30 4884 Modoc Highgrade, w side of ridge n end of Warner Mountains 2377 Comment
  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
  CAS-BOT-BC242351  Carex scopulorum var. bracteosa Annie Montague Alexander; L. Kellogg 1946-6-28 4856 Modoc Pine Creek Canyon. 2103 Comment
  CAS-BOT-BC245152  Carex simulata R. L. Ward 1976-5-18 Modoc Pine Spring. 1508 Comment
  SEINET3910198  Carex tracyi Louis C. Wheeler 1935-8-16 1577 Modoc Warner Mountains. Dismal Swamp.; 0 2225 Comment
  HSC48189  Carex tumulicola D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19420 Modoc Near Hager Reservoir Comment
  RSA252450  Carex utriculata Robert F. Thorne, C. W. Tilforth 1969-9-5 39186 Modoc Pine Creek where it is crossed by Highway 395, 3.4 miles S of Alturas. 1341 Comment
  CAS-BOT-BC242392  Carex whitneyi Annie Montague Alexander; L. Kellogg 1946-7-18 5018 Modoc Benton Meadow area. 2072 Comment
  HSC75584  Carex whitneyi G. M. Riegel 1979-7-27 609 Modoc S Warner Mtns. 1670 Comment
  UC1024855  Carex whitneyi Leo Whitney 1935-6-6 3188 Modoc ca. 2 mi n Hole-in-the-rock (ca. 18 mi wnw of Canby) Comment
  CAS-BOT-BC180128  Castanopsis sempervirens Bruce Bartholomew 1995-7-31 7120 Modoc 0.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 2250 Comment
  CAS-BOT-BC180130  Castanopsis sempervirens A. D. Borden 1911-6-15 Modoc NE slope of Davis Creek. 2133 Comment
  CDA41343  Castilleja angustifolia T. C. Fuller 1958-7-8 2036 Modoc Davis Creek. 0 Comment
  CAS-BOT-BC225981  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-5-14 4196 Modoc 0.8 km W of Goose Lake on USFS road 47N09 to Crowder Flats. 1430 Comment
  CAS-BOT-BC225993  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-13 8144 Modoc Fandango Pass. Comment
  JEPS86368  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-6-27 952 Modoc ne of Jenkins Springs Comment
  JEPS86681  Castilleja applegatei subsp. pinetorum L. R. Heckard with T. I. Chuang 1990-7-14 6762 Modoc ca 2 mi n Cedar Pass (along Old Common Mill Rd, 0.7 mi e of Soldier Creek Rd) 2075 Comment
  RSA26485  Castilleja applegatei subsp. pinetorum Alice Eastwood, John T. Howell 1940-6-13 8144 Modoc Fandango Pass. Comment
  UC199384  Castilleja applegatei subsp. pinetorum W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek; Warner Mountains 1676 Comment
  CHSC109740  Castilleja arachnoidea B. Castro; L. P. Janeway 2012-7-26 1971 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2453 Comment
  JEPS4549  Castilleja campestris subsp. campestris Milo S. Baker 1893-7-24 Modoc Egg Lake Comment
  CAS-BOT-BC226017  Castilleja chromosa John Thomas Howell 1934-6-13 12094 Modoc 2.5 mi. S of Eagleville. Comment
  JEPS29100  Castilleja lacera Lauramay T. Dempster 1961-6-18 1699 Modoc 3.2 mi e Cedar Pass (near head of canyon s of highway) 1752 Comment
  UC76115  Castilleja lacera Milo S. Baker 1893-1 Modoc Forestdale Comment
  HSC80740  Castilleja lacera G. M. Riegel 1979-7-3 453 Modoc South Warner Mts. 1739 Comment
  UC1051442  Castilleja linariifolia Herbert L. Mason 1955-8-14 14654 Modoc sw side Goose Lake (at Fletcher's Place) Comment
  CAS-BOT-BC226044  Castilleja miniata P. Monnet 1913-7-1 869 Modoc Warner's Range. 2438 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-BC226055  Castilleja pilosa Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10596 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mountains Comment
  CAS-BOT-BC226063  Castilleja pilosa Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6537 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  JEPS17638  Castilleja pilosa Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5393 Modoc 3.3 mi e Patterson Ranger Station (flat at summit of forest road across s end of Warner Mountains); Warner Mountains, Modoc National Forest 2225 Comment
  JEPS77521  Castilleja pilosa L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4891 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen County line); Warner Mts. 2011 Comment
  UCSB19310  Castilleja pruinosa Haller, John 1962-6-7 Modoc Little Meadows campground, South Fork of the Pit River, 8 miles east of Likely, 1.5 miles west of the western end of Jess Valley Warner Mountains 1524 Comment
  CAS-BOT-BC497469  Castilleja psittacina Margaret J. Williams 1988-5-30 88- 23 -2 Modoc First road in to Big Sage Reservoir from Crowder Flat road, NW of Alturas 1539 Comment
  CHSC117495  Castilleja tenuis Lowell Ahart; John Dittes 2016-7-14 21181 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS76809  Castilleja tenuis Theodore F. Niehaus 1978-6-28 952 a Modoc ca 12 mi w Canby (0.3 mi s on road to Craig Springs from junction with Loveness mainline logging road, and 0.05 mi into section 13) Comment
  JEPS79118  Castilleja tenuis L. R. Heckard with R. Bacigalupi 1980-6-10 5220 Modoc sw margin Egg Lake (now dry); Egg Lake Comment
  RSA0062306  Castilleja tenuis Lowell Ahart, John Dittes 2011-6-22 17559 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  UC1520657  Castilleja tenuis Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9455 Modoc 13 air mi wnw Canby (Calif Hwy 139, 14.2 mi wnw Calif Hwy 139 junction with U.S. Hwy 299) 1463 Comment
  JEPS79138  Castilleja tenuis L. R. Heckard with R. Bacigalupi 1980-6-11 5240 Modoc ca 10 air mi se Alturas (junction of Parker Creek and Shields Creek); junction of Parker Creek and Shields Creek 1737 Comment
  CAS-BOT-BC217135  Ceanothus cuneatus var. cuneatus Leland S. Smith 1922-8-1 1323 Modoc Barber Canyon Allot. Dutch Flat. 1524 Comment
  UC18271  Ceanothus cuneatus var. cuneatus Milo S. Baker 1893-7-1 Modoc 1371 Comment
  CAS-BOT-BC217109  Ceanothus prostratus Belknap C. Goldsmith 1911-5-20 21 Modoc Sugar Hill. 1524 Comment
  UCR87510  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles NW of Canby along Calif. Hwy 139 1280 Comment
  UC18392  Ceanothus prostratus Milo S. Baker 1893-6 Modoc Red Soil 1524 Comment
  CAS-BOT-BC217118  Ceanothus velutinus Elmer Ivan Applegate 1932-7-9 7575 Modoc N slope of Bidwell Mountain. 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
  CAS-BOT-BC248322  Ceanothus velutinus var. velutinus B. Bartholomew; H. Sun 2002-6-24 8868 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  NY532331  Centaurea diffusa G. Schoolcraft 1985-6-17 Modoc NW of Lookout 1264.9 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
  JEPS117314  Centromadia parryi subsp. rudis Lowell Ahart, John Dittes 2010-8-30 17060 Modoc In a small vernal pool, about 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC95206  Cerastium fontanum Bruce Bartholomew 1991-8-6 6090 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  JEPS114459  Cercocarpus betuloides var. macrourus Lowell Ahart, John Dittes 2008-8-26 15357 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the southeast side of unnamed road, 2660 feet east of intersection with County Road 85a, 0.3 miles (air) north-northeast of Lookout 1276 Comment
  UC72966  Cercocarpus betuloides var. macrourus Milo S. Baker July 1898 533 Modoc Forestdale Comment
  UC415484  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-6 Modoc Modoc Co. Comment
  NY848754  Cercocarpus ledifolius var. intermontanus B. M. Bartholomew 1989-4-29 4691 Modoc Surprise Valley Road, just south of the Oregon border, extreme NE corner of Modoc County 1630 Comment
  NY848755  Cercocarpus ledifolius var. intermontanus C. L. Hitchcock 1940-5-27 6689 Modoc 15 miles northeast of Alturas 1615 Comment
  NY848759  Cercocarpus ledifolius var. intermontanus L. S. Rose 1940-6-13 40553 Modoc Fandango Pass 1905 Comment
  CAS-BOT-BC214643  Cercocarpus ledifolius var. ledifolius Roxana Stinchfield Ferris; R. Duthie 1919-6-14 186 Modoc Parker Creek, Warner Mts. 1981 Comment
  UC71599  Cercocarpus ledifolius var. ledifolius Mrs. M. H. Manning 1903-5 8 Modoc Mount Bidwell, in north-eastern Modoc County Mount Bidwell Comment
  CAS-BOT-BC197535  Cercocarpus ledifolius var. ledifolius John H. Hatton 1911-6-12 36 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC15054  Chaenactis douglasii var. douglasii Gordon H. True 1964-6-3 1447 Modoc Surprise Valley, about 5 mi. S of Cedarville. 1463 Comment
  CAS-BOT-BC15066  Chaenactis douglasii var. douglasii Isabelo T. Kelly 1930-1-1 53 A Modoc unspecified Comment
  CAS-BOT-BC15071  Chaenactis douglasii var. douglasii Bruce Bartholomew; Barrett Anderson 1988-6-25 4377 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  JEPS34150  Chaenactis douglasii var. douglasii W. L. Jepson 1918-8-6 7844 Modoc Surprise Valley 1447 Comment
  RSA210856  Chaenactis douglasii var. douglasii R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39071 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  SFV18028  Chaenactis douglasii var. douglasii J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc 1 mile east of Siskiyou county line along Lava Beds National Monumemt Road. 1310 Comment
  HSC12272  Chaenactis douglasii var. douglasii Richard Spjut 1970-7-20 484 Modoc ca. 6 miles west of Davis Creek near the south end of Goose Lake 1402 Comment
  JEPS48755  Chamaebatiaria millefolium Leland S. Smith 1924-6-23 1433 Modoc Modoc National Forest, Happy Camp Ranger Station Happy Camp Ranger Station; Modoc National Forest, Happy Camp Ranger Station Comment
  CAS-BOT-BC245413  Chamaesaracha nana Elmer Ivan Applegate 1932-8-5 8164 Modoc Cedar Pass, Warner Mountains. Comment
  UC884531  Chamaesaracha nana C. L. Hitchcock 1940-5-27 6700 Modoc 15 mi ne Alturas 1615 Comment
  JEPS15471  Chamaesaracha nana Joseph and Hilda W. Grinnell 1938-6-16 1107 a Modoc 100 ft below Cedar Pass summit; Warner Mountains 1935 Comment
  UC26092  Chamaesaracha nana Mrs. R. M. Austin and Bruce Jun 1898 2152 Modoc Lake City Pass Comment
  CHSC117245  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2016-7-16 21257 Modoc Strand of the second pond, south of Ash creek Canal (now filled in) south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS52341  Chamaesyce serpyllifolia Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  UC1025074  Chamaesyce serpyllifolia Leo Whitney 1934-6-5 1585 Modoc Quaking Asp Modoc National Forest 1219 Comment
  UC1192289  Chamaesyce serpyllifolia Verne Grant and Irving Schneider 1947-8-27 8314 Modoc sw end Clear Lake Comment
  UC1192291  Chamaesyce serpyllifolia Herbert L. Mason, Verne Grant 1947-7-10 13325 Modoc 2 mi E of Alturas (Dorris Reservoir) Comment
  UC20108  Chamerion angustifolium subsp. circumvagum Milo S. Baker 1893-7-12 Modoc hillside Comment
  CHSC112835  Chenopodium album Lowell Ahart; John Dittes 2013-7-24 18933 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
  JEPS46212  Chenopodium botrys F. H. Frost 1925-7-13 72 Modoc Mountain roadside; (probably near Cedarville) Comment
  CDA34222  Chenopodium desiccatum L. Ahart, J. Dittes 2010-8-31 17111 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC106201  Chenopodium desiccatum Lowell Ahart; John Dittes 2010-8-31 17111 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
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Jul 20 2019
  HSC80941  Chenopodium desiccatum G. M. Riegel 1980-8-25 1102 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC95521  Chenopodium foliosum Leland S. Smith 1920-8-12 21 Modoc Cantrall's Mill. 1828 Comment
  CDA3014  Chenopodium foliosum T. C. Fuller, W. T. Parsons 1960-7-26 4874 Modoc E. H. Boys Ranch, Lassen Creek, ca. 2 miles southeast of Highway 395. 0 Comment
  CAS-BOT-BC95529  Chenopodium leptophyllum Leland S. Smith 1924-6-1 Modoc Egg Lake. 1310 Comment
  UC412890  Chimaphila umbellata Franklin P. Nutting 1900-8-20 Modoc near Forestdale Comment
  UC73568  Chimaphila umbellata Milo S. Baker Aug. 1898 534 Modoc Forestdale Comment
  CDA19915  Chorispora tenella R. Breckenridge, Kratville 2002-6-6 PDR 920238 Modoc Northern California; in the vicinity of Alturas. 1328 Comment
  RSA339144  Chrysanthemum leucanthemum Margaret J. Williams 1984-6-29 84- 70 -2 Modoc North of Alturas on roadside Hwy 395 almost to Oregon border 1433 Comment
  CAS-BOT-BC15029  Chrysothamnus humilis Elmer Ivan Applegate 1932-8-1 8035 Modoc Arid summit of Warner Mts. N of Eagle Peak. Comment
  CAS-BOT-BC15033  Chrysothamnus humilis John Thomas Howell 1934-7-1 12348 B Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC15044  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11072 Modoc Lower Caldwell Ice Cave, Lava Beds National Monument. Comment
  CAS-BOT-BC15036  Chrysothamnus nauseosus subsp. consimilis Elmer Ivan Applegate 1932-8-6 8198 Modoc E side of Middle Lake, Surprise Valley. Comment
  SEINET2149925  Chrysothamnus nauseosus var. speciosus K. T. Harper 1974-1 141 Modoc Pine Creek, west slope of Warner Mountains. 1677 Comment
  CAS-BOT-BC14981  Chrysothamnus parryi subsp. nevadensis Francis Dorris Payne 1935-8-25 809 Modoc Parker Creek. 1584 Comment
  SFV7753  Chrysothamnus viscidiflorus T. Gordon, K. Kimbrough 1975-8-15 1216 Modoc Just east of the entrance to Lava Beds National Monument. 1280 Comment
  CAS-BOT-BC14989  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1935-8-3 10001 Modoc North Boundary - Lyon, Lava Beds National Monument. Comment
  CAS-BOT-BC14990  Chrysothamnus viscidiflorus subsp. viscidiflorus Loran C. Anderson 1958-8-24 1614 Modoc Cedar Pass Campground, in Warren Mountains, 8 miles west of Cedarville Comment
  CAS-BOT-BC14997  Chrysothamnus viscidiflorus subsp. viscidiflorus Delzie Demaree 1959-8-15 41484 Modoc Canby, Modoc National Forest Comment
  SBBG128255  Chrysothamnus viscidiflorus subsp. viscidiflorus L. Ahart, J. Dittes 2010-8-30 17061 Modoc near the homestead, ca. 100 yards E of the fence, 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
  HSC5368  Cichorium intybus M. T. Milligan 1964-8-21 236 Modoc Pikes Pt. Easgle Lake 1677 Comment
  UC748357  Cicuta maculata var. angustifolia Annie M. Alexander and Louise Kellogg 1946-7-6 4916 Modoc East Eagleville 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
  CDA21202  Cirsium K. Haas 2007-2-6 PDR 1402971 Modoc Modoc Plateau; County Rd. 1, Cedarville. 0 Comment
  CAS-BOT-BC14952  Cirsium andersonii Bruce Bartholomew; Barrett Anderson 1988-7-22 4490 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  SJSU9621  Cirsium arvense W. Savage 1979-7-6 1428 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET3840780  Cirsium arvense var. mite Thomas Parsons Fuller, T. W. 1960-7-26 4872 Modoc 1.5 miles South of Tulelake, Highway 139, in grain field Comment
  CAS-BOT-BC14965  Cirsium cymosum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16379 Modoc Junction of Cedar Pass Road & CA State Hwy. 299, 5.5 mi. N of Alturas Comment
  CDA1194  Cirsium douglasii var. breweri G. D. Barbe, T. C. Fuller 1979-8-21 2545 Modoc 5.6 km S of Fort Bidwell; W side of County Hwy 1, 3.2 km N of Fandango Pass Rd. Comment
  UC91794  Cirsium occidentale var. candidissimum Milo S. Baker 1893-7-25 Modoc Lava Beds Comment
  UC1192198  Cirsium vulgare Verne Grant and Irving Schneider 1947-8-27 8320 Modoc sw end Clear Lake Comment
  CAS-BOT-BC191067  Clarkia gracilis subsp. gracilis Bruce Bartholomew 1991-7-4 5926 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 Comment
  CHSC117035  Clarkia gracilis subsp. gracilis Lowell Ahart; John Dittes 2016-6-6 20943 Modoc About40 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-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
  CHSC31495  Clarkia lassenensis N. E. H. Prouty 1980-6-7 183 Modoc Modoc Nat. Forest, Warner Mt. District. Along north side of Deep Creek road, SW of Cedarville. Comment
  UC71665  Clarkia lassenensis Mrs. M. H. Manning June 1903 154 Modoc near Fort Bidwell Comment
  CAS-BOT-BC191049  Clarkia rhomboidea Francis Dorris Payne 1931-6-11 145 Modoc Parker Creek. 1584 Comment
  HSC80901  Clarkia rhomboidea G. M. Riegel 1980-7-23 934 Modoc S Warner Mtns. 1670 Comment
  CDA38042  Clarkia rhomboidea J. Elliot 1975-7-3 s.n. Modoc Forestry road, 2 mile north of Joseph Creek Basin, northeast of Alturas, Modoc National Forest. 0 Comment
  SEINET10492533  Clarkia rhomboidea Lawrence R. Heckard 1978-7-19 Heckard 4886 Modoc On slope above stream. N side of Cedar Pass. Elev. 6300 feet. 1890 Comment
  SEINET10837715  Clarkia rhomboidea Nancy R. Morin 1978-7-7 Morin 263 Modoc Fandango Pass (Ca 8 miles E of S end of Goose Lake). Ca. 6000 feet. Dry rocky areas. 1830 Comment
  SEINET195685 Image available Claytonia lanceolata Annie M. Alexander, Louise Kellogg 1946-6-15 4773 Modoc Deep Creek 2130 Comment
  UC65056  Claytonia lanceolata Milo S. Baker 1890-5-15 79 Modoc Forestdale Comment
  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
  POM102036  Claytonia rubra Mrs. R. M. Austin 1895-06 472 Modoc Goose Lake Valley Comment
  CAS-BOT-BC197470  Claytonia rubra subsp. rubra Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16456 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  UC1713744  Claytonia rubra subsp. rubra M. S. Baker and Frank Nutting 1894-6-16 Modoc near Forestdale Comment
  CDA25289  Cleome platycarpa T. C. Fuller 1970-7-22 19774 Modoc Canyon Creek Road, 12 miles southwest of Alturas. 0 Comment
  CAS-BOT-BC226088  Collinsia parviflora Betty J. Hammerly 1941-6-20 38 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC226092  Collinsia parviflora Milo Samuel Baker; Franklin P. Nutting 1894-6-4 s.n. Modoc Little Hot Spring Valley. Comment
  CAS-BOT-BC226097  Collinsia parviflora Bruce Bartholomew; Mona Bourell 1990-4-26 5158 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC229855  Collinsia parviflora Betty J. Hammerly 1941-6-20 38 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC229863  Collinsia parviflora Fred D. Douthitt 1916-5-15 30 Modoc Flournoys Swale. 1828 Comment
  CHSC85138  Collinsia parviflora John Dittes; Josephine Guardino 1991-6-1 373 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
  JEPS17636  Collinsia parviflora Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5398 Modoc 3.3 mi e Patterson Ranger Station (summit of forest rd across s Warner Range); Warner Mtns 2225 Comment
  POM260476  Collinsia parviflora C. Leo Hitchcock 1940-5-27 6687 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC26625  Collinsia parviflora J. Burtt Davy Modoc Modoc County 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-BC190738  Collomia grandiflora Bruce Bartholomew; Barrett Anderson 1988-7-21 4416 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC190720  Collomia linearis Bruce Bartholomew; Barrett Anderson 1990-7-20 5513 Modoc Tamarack Flat, E side of Warner Mts. 2150 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
  HSC16929  Collomia linearis M. T. Milligan 1965-6-26 323 Modoc N end Jess Valley. 1616 Comment
  RSA101369  Collomia linearis R. Weatherby 1955-7-8 1613 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  RSA164297  Collomia linearis Clare B. Hardham 1961-6-18 7561 Modoc Cedar Pass Comment
  SJSU11425  Collomia linearis H. L. Buckalew 1961-6-21 Modoc Stough Reservoir 1 mi N of Cedar Pass on Alturas-Cedarville Rd 1950 Comment
  CAS-BOT-BC190711  Collomia tinctoria Bruce Bartholomew 1991-7-6 5996 Modoc Webb Flat, 5.6 km S of turn off to Happy Camp Ranger Station. Area burned within the last year. 1400 Comment
  JEPS71065  Collomia tinctoria Milo S. Baker 1893-6-10 Modoc sw corner of county Forestdale Comment
  CAS-BOT-BC21481  Conium maculatum Bruce Bartholomew 1990-6-17 5286 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  CAS-BOT-BC242186  Corallorhiza maculata Bruce Bartholomew 1994-7-3 6828 Modoc Field redacted by CAS, contact the data manager for more information 1610 Comment
  UC429103  Corallorhiza striata Franklin P. Nutting Modoc near Whitehorse Lake Comment
  UC1587092  Cordylanthus maritimus subsp. canescens G. Schoolcraft 1991-7-24 2185 Modoc ne Middle Alkali Lake; Leonard Hot Spring 1386 Comment
  CAS-BOT-BC210267  Cornus sericea Alice Eastwood; John Thomas Howell 1940-6-12 8059 Modoc Between Likely and Jess Valley Comment
  POM337580  Cornus stolonifera F. R. Fosberg 1957-8-18 38848 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  CHSC100512  Crataegus castlegarensis Lowell Ahart; John Dittes 2008-8-26 15334 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CAS-BOT-BC197565  Crataegus douglasii Francis Dorris Payne 1931-6-21 232 Modoc Gulch N of Parker Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC197570  Crataegus douglasii Francis Dorris Payne 1931-6-21 232 Modoc Gulch N of Parker Creek, Warner Mts. 1828 Comment
  JEPS118463  Crataegus douglasii Lowell Ahart, John Dittes 2011-6-21 17529 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4,500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber Comment
  CHSC118086  Crepis bakeri subsp. bakeri L. P. Janeway 2016-5-16 12003 Modoc Modoc Plateau. Devils Garden area; along Road 46N02 3.4 road-km south-southeast of Road 47N09/73/181; about 5.2 air-km north of Crowder Mtn Reservoir. 1570 Comment
  CAS-BOT-BC14860  Crepis intermedia Bruce Bartholomew; Barrett Anderson 1988-6-25 4378 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC14914  Crepis modocensis Alice Eastwood; John Thomas Howell 1940-6-12 8091 Modoc Jess Valley. Comment
  HSC81045  Crepis modocensis subsp. modocensis G. M. Riegel 1979-7-14 543 Modoc South Warner Mtns. 1739 Comment
  CAS-BOT-BC14858  Crepis occidentalis M. M. Hanna 1956-6-4 Modoc 5 mi. N of Alturas on Cedar Pass road. Comment
  CAS-BOT-BC14867  Crepis occidentalis Bruce Bartholomew 1992-5-16 6338 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CAS-BOT-BC14884  Crepis occidentalis Bruce Bartholomew 1991-6-21 5813 Modoc 4 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC14900  Crepis occidentalis Bruce Bartholomew 1990-6-18 5359 Modoc 1.6 km S of Davis Creek on Hwy 395. 1450 Comment
  SBBG30620  Crepis occidentalis D. Myrick 1968-6-20 1961 Modoc E edge of Alturas 1332 Comment
  UC581313  Crepis occidentalis E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1846 Modoc roadside 5 mi s Davis Creek Comment
  UCD150425  Crepis occidentalis Harry A. George 1966-6-3 s.n. Modoc Alturas Airport. Comment
  CAS-BOT-BC14895  Crepis occidentalis subsp. occidentalis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16388 Modoc 5 mi. E of State Hwy. 299 on Cedar Pass Road. Comment
  HSC81044  Crepis occidentalis subsp. occidentalis G. M. Riegel 1979-7-5 490 Modoc S Warner Mtns. 1670 Comment
  UC748134  Crepis occidentalis subsp. occidentalis Annie M. Alexander and Louise Kellogg 1946-6-10 4715 Modoc top of lava bench between Lower Lake and Snake Lake Comment
  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-BC14872  Crocidium multicaule Leland S. Smith 1919-4-20 1077 Modoc West of Alturas 1371 Comment
  OBI47975  Crocidium multicaule Rhonda Riggins 1989-4-28 1655 Modoc Pencil rd. 4.1 mi N of hwy 395 E of Alturas. T43N, R12E, sec 24 1402 Comment
  RSA59490  Crocidium multicaule E. K. Balls 1950-5-17 14729 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  UC336352  Crocidium multicaule J. G. Lemmon 1879-5-1 Modoc Surprise Valley Comment
  CDA36150  Crupina vulgaris CDFA Staff Jun 1992 Modoc 0 Comment
  CDA36317  Crupina vulgaris CDFA Staff 1992-1 Modoc 0 Comment
  JEPS121229  Crypsis alopecuroides Lowell Ahart, John Dittes 2013-7-24 18932 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  CHSC111413  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. 1260 Comment
  CHSC113086  Crypsis schoenoides Lowell Ahart; John Dittes 2013-7-24 18913 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  JEPS90284  Cryptantha ambigua Dean Wm. Taylor with Glenn L. Clifton 1989-8-4 10522 Modoc on road to Emerson Camp from Surprise Valley (Warner Mountains, Cole Creek, Emerson Creek drainage); Warner Mountains, Cole Creek 1554 Comment
  SEINET5512247  Cryptantha ambigua J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  CAS-BOT-BC54141  Cryptantha circumscissa Bruce Bartholomew 1991-5-24 5703 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  CAS-BOT-BC54106  Cryptantha intermedia Clare Butterworth Hardham 1961-6-18 7545 Modoc Hills 3 mi E of Cedar Pass. 1828 Comment
  CAS-BOT-BC54149  Cryptantha intermedia Mrs. H. C. Cantelow 1940-6-2 3318 Modoc 9.3 mi NW of Canby. Comment
  UC194969  Cryptantha intermedia W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Creek Warner Mountains 1676 Comment
  SEINET10455959  Cryptantha milobakeri Jeffrey Huber 1971-6-3 Huber 98 Modoc 5 mi S of Canby on CA Hwy 299, Lupines heavily carpeting hillsides of large basaltic boulders, sparse juniper, Artemisia, Purshia, Poa assoc. 1280 Comment
  CAS-BOT-BC54118  Cryptantha sobolifera Robert Patterson; Mona Bourell 1993-8-15 5259 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UC1478047  Cryptantha subretusa Gregg Riegel 1980-8-9 1014 a Modoc 100 yds sw Pine Creek-Summit Trail junction (Pine Creek Basin, S Warner Wilderness Area); Modoc National Forest, Warner Wilderness Area 2706 Comment
  CAS-BOT-BC54124  Cryptantha torreyana Alice Eastwood; John Thomas Howell 1940-6-14 8214 Modoc 8 mi. NW of Canby. Comment
  RSA183179  Cryptantha torreyana Delzie Demaree 1959-8-15 41481 Modoc Modoc National Forest, Howard Gulch. P. O. Canby. 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
  UC1222085  Cupressus bakeri C. O. Stone 1963-12-26 276 Modoc approximately 1 mi s Gassaway Reservoir; Quadrangle 16C2 1109 Comment
  JEPS43033  Cuscuta approximata Frances D. Payne 1932-7-22 732 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CDA5586  Cuscuta approximata var. urceolata Goss 1932-10-3 Modoc 0 Comment
  SEINET195667  Cusickiella douglasii Annie M. Alexander, Louise Kellogg 1946-8-9 5142 Modoc Squaw Peak; Patterson Lake Trail, Warner Mountains. Comment
  UC206126  Cynoglossum occidentale Milo S. Baker 1893-1 116 Modoc Taylor Mt. near Marshall's; Bear Valley Comment
  JEPS101845  Cyperus squarrosus Dean W. Taylor 1990-8-22 11479 Modoc Lookout Road 2.3 miles S of junction with State Highway 139, crossing of a small perennial drainage in Ponderosa Pine Forest 1424 Comment
  JEPS101895  Cyperus squarrosus Dean W. Taylor 1989-8-4 10524 Modoc Emerson Creek drainage; Cole Creek, on road to Emerson Camp from Surprise Valley Comment
  UC1204928  Cypripedium montanum R. C. Wilson 1933-6-21 99 Modoc Rush Creek Camp Canby Quadrangle Comment
  JEPS64385  Cypripedium montanum Milo S. Baker 1893-6-29 Modoc Comment
  CAS-BOT-BC498672  Cystopteris fragilis Gregg M. Riegel 1980-9-3 1128 Modoc South Warner Mountains 2979 Comment
  RSA152455  Cystopteris fragilis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16422 Modoc Near summit of Cedar Pass, between Alturus and Cedarville 1959 Comment
  UC42490  Cystopteris fragilis Geo. H. Boke 1890-1 Modoc Comment
  HSC533  Dactylis glomerata M. T. Milligan 1964-7-1 106 Modoc 6.0 mi. E of Canby on Modoc County Rd. 54 1372 Comment
  CAS-BOT-BC245210  Damasonium californicum Bruce Bartholomew; Barrett Anderson 1988-6-23 4272 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC245216  Damasonium californicum M. Vasey 1990-6-30 9025 Modoc Around NW margin of Egg Lake. 1300 Comment
  CAS-BOT-BC245219  Damasonium californicum John Thomas Howell 1934-6-15 12184 Modoc Alturas. Comment
  POM182452  Damasonium californicum Milo S. Baker s.n. Modoc Egg Lake Comment
  UC1100147  Damasonium californicum Malcolm A. Nobs and S. Galen Smith 1949-5-30 774 Modoc w. Alturas (1/2 mi. e. of junction of County Rds. 70 & 54) Comment
  JEPS68516  Danthonia californica Leland S. Smith 1920-7-13 1178 Modoc Grizzly Range; meadows Comment
  UC1256250  Danthonia californica Sherwood Stutz and Tex Scofield 1969-7-17 1 Modoc Vi. Poison Spr. Modoc National Forest 1676 Comment
  CHSC111991  Dasiphora fruticosa B. Castro; L. P. Janeway 2008-8-17 1755 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope not far above last row of trees. 2319 Comment
  CAS-BOT-BC49507  Deinandra lobbii Bruce Bartholomew 1990-8-3 5595 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CHSC67128  Delphinium andersonii James D. Jokerst 1987-5-11 2827 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 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
  UC585065  Delphinium andersonii E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1831 Modoc steep n-facing talus slope about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  CAS-BOT-BC498677  Delphinium depauperatum Ira L. Wiggins; Dorothy B. Wiggins 1961-6-14 16491 Modoc Warner Mts., 2.5 mi from Hwy 395, 2 mi NW of Fenner Flat Comment
  UC467760  Delphinium nudicaule Milo S. Baker 1894-1 Modoc Forestdale Comment
  CAS-BOT-BC217308  Delphinium nuttallianum Elmer Ivan Applegate 1932-7-9 7583 Modoc N slope of Bidwell Mountain, Warner Mountains. Comment
  CAS-BOT-BC217319  Delphinium nuttallianum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6526 Modoc W side of Whitehorse Reservoir. 1360 Comment
  CAS-BOT-BC217325  Delphinium nuttallianum F. Angwin 1946-4-21 s.n. 0 Modoc Stone Coal Canyon, 12 mi. NE of Adin. 1280 Comment
  JEPS118339  Deschampsia danthonioides Lowell Ahart, John Dittes 2011-6-22 17550 Modoc On the west side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  UC1024678  Deschampsia danthonioides Leo Whitney 1934-5-10 2170 Modoc dry lake near Timbered Mt. (Devil's Garden); n.e. Modoc Co., Modoc Nat'l Forest, Devil's Garden 1524 Comment
  UCD61407  Deschampsia danthonioides L. Whitney 1935-5-23 Modoc Near Dam--Hackamore Reservoir. 1462 Comment
  UCD62393  Deschampsia danthonioides Elizabeth Wilson Date Unknown Modoc Modoc Co. Comment
  UC53603  Deschampsia elongata M. S. Baker and Frank Nutting 1894-8-25 Modoc near Forestdale Forestdale 1371 Comment
  UC70674  Deschampsia elongata Mrs. M. H. Manning June 1903 430 Modoc n.e. Modoc Co. Comment
  UC117453  Descurainia incisa subsp. filipes Mrs. R. M. Austin May 1894 19 Modoc Goose Lake Valley Comment
  HSC6713  Descurainia pinnata M. T. Milligan 1964-4-25 Modoc S end of Lower Cummings Reservoir, along base of dam Comment
  CAS-BOT-BC58614  Descurainia pinnata subsp. glabra Fred D. Douthitt 1916-5-11 23 Modoc Juniper Flats near Flournoy Swale. 1524 Comment
  UCD114793  Descurainia sophia Robbins; Raynor 1943-6-1 s.n. Modoc near Likely. Comment
  SJSU9660  Dieteria canescens var. canescens W. Savage 1979-7-9 1498 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC14848  Dimeresia howellii K. Paulson; Robert Paulson 1988-5-24 15 Modoc Granger Canyon, Warner Mts.. 1493 Comment
  CAS-BOT-BC234494  Diplacus nanus R. M. Austin 1893-1-1 s.n. Modoc Pine Creek. Comment
  SEINET8255120  Diplacus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, s end; between Kramer Reservoir and White Horse Lookout railroad crossing. 1300 Comment
  CAS-BOT-BC234439  Diplacus tricolor Leland S. Smith 1924-6-3 1363 Modoc Kramer Reservoir. 1310 Comment
  CAS-BOT-BC234442  Diplacus tricolor Bruce Bartholomew 1991-7-6 5965 Modoc 2.4 km W of County Road 91 Forest Service road 42N03. 1340 Comment
  CAS-BOT-BC95631  Dipsacus fullonum Bruce Bartholomew 1989-8-12 5137 Modoc 2 km W of Likely on County Road 60. 1370 Comment
  CAS-BOT-BC247767  Distichlis spicata Leland S. Smith 1920-6-11 1171 Modoc Near Alturas. 1310 Comment
  CAS-BOT-BC218287  Dodecatheon alpinum Bruce Bartholomew 1994-7-2 6818 Modoc Mill Creek NE of Bald Mtn., E side of Warner Mountains. 2040 Comment
  CAS-BOT-BC218298  Dodecatheon alpinum Elmer Ivan Applegate 1932-8-3 8107 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CHSC109453  Dodecatheon alpinum B. Castro; L. P. Janeway 2012-7-24 1944 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.9 air mi east of Lily Lake and 1.1 air mi southwet of Dismal Swamp. 2250 Comment
  SEINET8552726  Dodecatheon alpinum M. J. Williams 1984-6-29 84- 71 -4 Modoc W side of Warner Mountains, Lily Lake. 2073 Comment
  HSC17888  Dodecatheon conjugens M. T. Milligan 1964-5-9 34 Modoc 4 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  CAS-BOT-BC218276  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Barrett Anderson 1988-5-12 4119 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC218279  Dodecatheon conjugens var. conjugens Leo David Whitney 1935-5-19 3108 Modoc Edge of Hackamore River, near Hackamore. Comment
  CAS-BOT-BC218282  Dodecatheon conjugens var. conjugens Leland S. Smith 1924-5-1 s.n. Modoc Ovendine range, grassy flat S of Ash Valley road. Comment
  CAS-BOT-BC218270  Dodecatheon ellisiae Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6429 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CHSC118306  Dodecatheon pulchellum L. P. Janeway 2016-5-18 12071 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  JEPS101744  Dodecatheon pulchellum Dean W. Taylor 1992-5-8 12561 Modoc Warner Mountains, Mt. Bidwell, ca. 0.5 miles E of Moonlite Mines 2432 Comment
  CAS-BOT-BC95111  Downingia bacigalupii Bruce Bartholomew 1990-6-18 5375 Modoc 5.5 km N of Hwy 299 on Crowder Flat Rd. 1450 Comment
  CAS-BOT-BC95122  Downingia bacigalupii M. Vasey 1990-6-30 9039 Modoc Pond along dirt road near Curtis Waterhole, NW of Egg Lake. 1300 Comment
  RSA768068  Downingia bacigalupii L. Ahart, John Dittes 2010-8-31 17124 Modoc Edge of a pond, about 400 yards west of Elkin's Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley 1268 Comment
  RSA504647  Downingia bacigalupii Bruce Bartholomew, B. Anderson 1988-6-23 4236 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  RSA505679  Downingia bacigalupii G. H. True 1939-6-25 1034 Modoc Boles Meadow NE of Alturas. Comment
  POM312372  Downingia bicornuta H. L. Mason, Verne Grant 1947-7-12 13412 Modoc West side of Pit River Valley S of Alturas. Comment
  CAS-BOT-BC95130  Downingia bicornuta var. bicornuta Bruce Bartholomew; Barrett Anderson 1989-6-3 4875 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  JEPS23864  Downingia bicornuta var. bicornuta Peter H. Raven with Otto T. Solbrig 1958-6-18 13323 Modoc e outskirts of Lookout Lookout Comment
  SFV18022  Downingia bicornuta var. bicornuta J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc Pothole Creek near Pothole Spring. Near crossing of Clear Lake Road. 1470 Comment
  UC1192032  Downingia bicornuta var. bicornuta Herbert L. Mason and Verne Grant 1947-7-12 13412 Modoc s of Alturas (w side of Pit River Valley); Pit River Valley Comment
  CAS-BOT-BC95137  Downingia insignis Rimo Carlo Felice Bacigalupi; G. Smith 1957-6-28 5988 Modoc Along railroad, 0.8 mi. E of Canby. 1219 Comment
  CHSC66295  Downingia insignis Vernon H. Oswald 1996-6-27 7902 Modoc Dorris Reservoir, Modoc National Wildlife Refuge, ca. 3 mi E of Alturas. Modoc Plateau. 1335 Comment
  SEINET8733891 Image available Downingia insignis Margaret J. Williams 1984-1 84- 66 -1 Modoc extending E for more than 2 miles; 0.2 mi E of Hwy 395 at Ravendale 1524 Comment
  CAS-BOT-BC58298  Draba albertina Annie Montague Alexander; L. Kellogg 1946-6-25 4823 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  RSA603595  Draba albertina L. C. Wheeler 1935-8-1 3730 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC58600  Draba densifolia Elmer Ivan Applegate 1932-7-9 7608 Modoc Arid summit of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC58592  Draba verna Bruce Bartholomew; Mona Bourell 1990-4-28 5200 Modoc SE corner of North Alkali Lake, Surprise Valley. 1350 Comment
  CHSC117845  Draba verna L. P. Janeway 2016-5-16 11982 Modoc Modoc Plateau. Devils Garden area; along Road 46N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  UCR87535  Draba verna George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 35.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC214771  Drymocallis glandulosa Leland S. Smith 1918-6-23 954 Modoc Below Lily Lake - High Grade distriict. 2133 Comment
  HSC27396  Drymocallis glandulosa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19519 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC1037234  Drymocallis lactea var. austiniae Leo Whitney 1934-5-5 3040 Modoc Devil's Garden Modoc National Forest (ne portion of county) 1524 Comment
  CHSC109515  Drymocallis lactea var. lactea L. P. Janeway; B. Castro 2012-7-25 10990 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  UC1100265  Echinochloa crus-galli Verne Grant and Irving Schneider 1947-8-29 8356 Modoc at bridge by Coal Stone Valley (Pit River); , at bridge by Coal Stone Valley Comment
  UC70670  Echinochloa crus-galli Mrs. M. H. Manning June 1903 403 Modoc north-eastern Modoc county Comment
  CHSC112825  Elatine Lowell Ahart; John Dittes 2013-7-24 18919 A Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  JEPS123976  Elatine Lowell Ahart, John Dittes 2015-7-15 20351 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  RSA210826  Elatine chilensis R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39120 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 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
  UC1100626  Eleocharis acicularis Herbert L. Mason and Verne Grant 1947-7-12 13402 Modoc irrigation ditch by Jone's Lane (off Hwy 395, several mi s of Alturas) Comment
  UC1100605  Eleocharis coloradoensis Verne Grant, Irving Schneider 1947-7-19 8081 Modoc N of Likely (Williams Ranch) Comment
  CHSC110892  Eleocharis macrostachya Lowell Ahart; John Dittes 2012-7-11 18333 Modoc On the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1100736  Eleocharis macrostachya Herbert L. Mason, Verne Grant 1947-7-11 13371 Modoc S of Alturas (irrigation ditch by Jones' Lane, off Hwy 395) Comment
  JEPS127582  Eleocharis pachycarpa L. P. Janeway 2016-5-18 12073 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. Beaver Mountain 7.5' Quad. Comment
  HSC7322  Eleocharis palustris M. T. Milligan 1966-6-30 508 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  RSA651586  Eleocharis palustris Marion P. Harthill 1971-6-23 368 Modoc Fort Bidwell. Comment
  UC1100700  Eleocharis quinqueflora Malcolm A. Nobs, Calvin McMillan 1949-6-16 796 Modoc Dry Valley Reservoir, 33 mi NNW of Alturas. Comment
  UC1587042  Eleocharis rostellata G. Schoolcraft 1991-7-24 Modoc NE of Middle Alkali Lake (Leonard Hot Spring) 472 Comment
  RSA129559  Elyhordeum macounii Leo D. Whitney 1935-7-13 3492 Modoc Alturas Comment
  UC1024909  Elymus X saxicola Leo Whitney 1935-7-3 3373 Modoc ca 17 mi nw Canby; Badger Wells Comment
  UC1024943  Elymus X saxicola Leo Whitney 1935-7-2 3328 Modoc ca 17 mi nw Canby; Badger Wells Comment
  RSA163810  Elymus elymoides Clare B. Hardham 1961-6-19 7855 Modoc Warner Mountains: Lava fields; Willow Creek Comment
  UCD61525  Elymus elymoides L. D. Whitney 1935-6-29 Modoc Near Hackamore. Comment
  CAS-BOT-BC247740  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-6-17 5319 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CAS-BOT-BC247746  Elymus elymoides subsp. elymoides Clare Butterworth Hardham 1961-6-20 7871 Modoc Pine Creek. Comment
  UC1024983  Elymus elymoides subsp. elymoides Leo Whitney 1935-7-5 3409 Modoc near Hackamore (ca 15 mi nw of Canby); Modoc National Forest 1463 Comment
  JEPS70708  Elymus elymoides subsp. elymoides L. S. Smith 1937-7-11 97 Modoc Granger Mill Camp Warner Mts. 1828 Comment
  CAS-BOT-BC247737  Elymus glaucus Bruce Bartholomew; Barrett Anderson 1988-7-23 4599 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  UCD62309  Elymus glaucus August L. Hormay 1932-7-17 Modoc Lily Lake. Comment
  CHSC115507  Elymus multisetus L. P. Janeway 2014-7-8 11456 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
  JEPS74074  Elymus multisetus Frances D. Payne 1932-7-3 590 A Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1137123  Elymus trachycaulus August L. Hormay 1932-7-15 Modoc Weed Valley Comment
  POM195139  Elymus trachycaulus subsp. trachycaulus H. M. Hall 1923-8-6 11858 Modoc Toulumne Meadows. Dana Fork. 2622 Comment
  CAS-BOT-BC191037  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1991-7-6 5971 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  CAS-BOT-BC191032  Epilobium brachycarpum Alice Eastwood; John Thomas Howell 1940-6-15 8301 Modoc 5 mi. N of Lookout. Comment
  CHSC33988  Epilobium brachycarpum N. E. H. Prouty; J. D. Prouty 1980-8-1 198 Modoc Modoc Nat. Forest, Warner Mt. District. Opening south of Soup Spring's Campground. 2072 Comment
  CHSC99964  Epilobium brachycarpum Lowell Ahart; John Dittes 2008-8-25 15277 -A 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. 1276 Comment
  HSC41113  Epilobium brachycarpum Thomas W. Nelson, James Nelson, Jane P. Nelson 1976-8-29 3260 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  NY999860  Epilobium brachycarpum G. Schoolcraft 1993-8-2 2340 Modoc Near intersection of Hwy 395 and 299 east of Alturas 1372 Comment
  UC1191734  Epilobium brachycarpum Herbert L. Mason and Verne Grant 1947-7-10 13334 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC20103  Epilobium brachycarpum Milo S. Baker 1893-6-25 Modoc nr. Egg Lake Comment
  UC1191731  Epilobium brachycarpum Verne Grant and Irving Schneider 1947-8-29 8354 Modoc at bridge by Coal Stone Valley; Pit River Comment
  JEPS119659  Epilobium campestre Lowell Ahart, John Dittes 2012-7-11 18331 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC1191621  Epilobium campestre Herbert L. Mason 1947-8-13 13519 Modoc n Canby (ne side of F reservoir); F reservoir Comment
  CAS-BOT-BC497313  Epilobium ciliatum subsp. ciliatum Belknap C. Goldsmith 1912-8-6 83 Modoc West side of Goose Lake 1463 Comment
  HSC68558  Epilobium ciliatum subsp. ciliatum Gary Schoolcraft 1979-8-2 164 Modoc At Ten Mile Creek 1768 Comment
  UC1191719  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-8-28 8333 Modoc nw Alturas; Jack Swamp Comment
  CAS-BOT-BC190973  Epilobium densiflorum Herbert Louis Mason 1947-8-11 13495 Modoc Hwy 81, W margin of Lower Lake, near Modoc County boundary. Comment
  UC201727  Epilobium hallianum W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head N. Fork Parker Cr. Warner Mountains (near stream) 2225 Comment
  CAS-BOT-BC190956  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew; Barrett Anderson 1988-7-23 4571 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC190959  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew 1994-7-3 6842 Modoc Along Bidwell Creek near Larry Flat, E side of Warner Mountains. 1780 Comment
  RSA101364  Epilobium hornemannii subsp. hornemannii R. Weatherby 1955-7-7 1619 Modoc Warner Mountains: 7 miles N of Ft. Bidwell 1875 Comment
  UC748257  Epilobium hornemannii subsp. hornemannii Annie M. Alexander and Louise Kellogg 1946-7-11 4964 Modoc slope w Eight Mile Creek (ne corner of Modoc Co.) Comment
  NY1000404  Epilobium hornemannii var. hornemannii B. M. Bartholomew 1994-7-2 6820 Modoc Mill Creek northeast of Bald Mountain, east side of Warner Mountains 2040 Comment
  CAS-BOT-BC190948  Epilobium obcordatum Bruce Bartholomew 1995-8-1 7160 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CAS-BOT-BC190950  Epilobium obcordatum Annie Montague Alexander; L. Kellogg 1946-7-23 5050 Modoc Emerson Peak, Warner Mts. Comment
  UC20219  Epilobium oregonense Milo S. Baker 1893-6 Modoc 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-BC190867  Epilobium pygmaeum Verne Grant; I. Schneider 1947-7-29 8177 Modoc Payne Reservoir, S of Alturas. Comment
  CAS-BOT-BC190927  Epilobium pygmaeum Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13332 Modoc Eastern outskirts of Lookout. Comment
  UCR150482  Epilobium saximontanum David A. Charlet 1989-8-14 475 Modoc Warner Mtns, 1.4 km NW of Eagle Peak 2550 Comment
  CAS-BOT-BC190858  Epilobium torreyi Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13331 Modoc Eastern outskirts of Lookout. Comment
  CAS-BOT-BC190862  Epilobium torreyi Bruce Bartholomew; Barrett Anderson 1990-7-21 5590 Modoc Bear Flat, W side of Warner Mts. Ranger Station, E side of Warner Mts. 1830 Comment
  CAS-BOT-BC30178  Equisetum laevigatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16397 Modoc Roadside, at Thoms Creek, 6.1 mi. E of Calif. St. Highway 299, on Cedar Pass road. Comment
  CHSC116080  Equisetum laevigatum Lowell Ahart; John Dittes 2015-7-16 20393 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC30181  Equisetum laevigatum Verne Grant; I. Schneider 1947-7-20 8107 Modoc North Fork of Pit River, downstream from Alturas. Comment
  UCD63825  Eragrostis mexicana subsp. virescens L. Whitney 1935-8-24 100 Modoc Modoc County. Comment
  CAS-BOT-BC95474  Eremogone aculeata John H. Hatton 1911-6-20 130 Modoc Near Bolles meadows, Lava-Juniper country. 1524 Comment
  CAS-BOT-BC95493  Eremogone aculeata Elmer Ivan Applegate 1932-8-3 8129 Modoc Dry rocky summit of Eagle Peak, Warner Mts. Comment
  CAS-BOT-BC95496  Eremogone aculeata Francis Dorris Payne 1929-7-26 s.n. Modoc Mt. Warren, Warner Mts. Comment
  CHSC100849  Eremogone aculeata L. P. Janeway 2008-8-17 9564 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2409 Comment
  CAS-BOT-BC95441  Eremogone congesta Barrett Anderson 1986-7-10 3206 Modoc West Warner Rd. along Bear Flat. 1845 Comment
  CAS-BOT-BC95449  Eremogone congesta Annie Montague Alexander; L. Kellogg 1946-6-10 4708 Modoc Lava bench between Lower and Snake lakes. Comment
  CAS-BOT-BC95451  Eremogone congesta John H. Hatton 1911-6-12 41 Modoc Modoc County. 1524 Comment
  SJSU9557  Eremogone congesta var. simulans W. Savage 1979-7-3 1296 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC14811  Ericameria bloomeri Mrs. M. H. Manning 1905-9-15 s.n. Modoc Near Hall's Meadows. Comment
  JEPS31338  Ericameria bloomeri L. S. Smith 1918-8-11 1025 Modoc Camp One Modoc National Forest 2468 Comment
  CAS-BOT-BC14779  Ericameria discoidea Annie Montague Alexander; Louise Kellogg 1946-8-1 5104 Modoc Crest of Eagle Peak, Warner Mountains 3019 Comment
  CAS-BOT-BC14819  Ericameria greenei Roxana Stinchfield Ferris; Laura Lorraine 1941-8-14 10618 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mountains 1889 Comment
  CHSC100136  Ericameria nauseosa var. oreophila L. P. Janeway; B. Castro 2008-8-16 9542 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  CAS-BOT-BC298193  Ericameria nauseosa var. oreophila Frances Payne 1931-9-18 341 Modoc Parker Creek, Warner Mts 1584 Comment
  CAS-BOT-BC497212  Erigeron Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8379 Modoc Warner Mts., Rte. 299, exactly 12.8 mi NE of Alturas 1554 Comment
  CAS-BOT-BC42831  Erigeron austiniae Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16371 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 miles north of Alturas Comment
  CAS-BOT-BC42839  Erigeron austiniae John Thomas Howell 1934-6-30 12262 Modoc Duncan Horse Camp. 1355 Comment
  SEINET11841740  Erigeron bloomeri A. Seneres, Harold, N. 1983-1 113 Modoc Plum Valley Camp 1684 Comment
  CAS-BOT-BC42804  Erigeron bloomeri var. bloomeri Alice Eastwood; John Thomas Howell 1940-6-12 8104 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC42810  Erigeron bloomeri var. bloomeri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16385 Modoc 5 mi. E of California State Hwy 299 on Cedar Pass Rd. Comment
  UC895621  Erigeron bloomeri var. bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi e Alturas 1615 Comment
  UCD131287  Erigeron chrysopsidis var. austiniae Beecher Crampton 1960-6-17 5686 A Modoc 5 miles south of Perez, Plant Quarantine Station area. Comment
  CAS-BOT-BC294960  Erigeron compositus Mrs. C. C. Bruce 1898-6-1 2180 Modoc Lake City Mt. Comment
  CAS-BOT-BC42817  Erigeron coulteri Barrett Anderson 1986-7-10 3201 Modoc West Warner Rd at the North Fork of Pine Creek, Warner Mountains 1935 Comment
  HSC81102  Erigeron coulteri G. M. Riegel 1980-8-9 1019 Modoc S Warner Mts. 2100 Comment
  CAS-BOT-BC42777  Erigeron divergens Annie M. Alexander; Louise Kellogg 1946-6-4 4658 Modoc Eagleville. Comment
  CAS-BOT-BC42823  Erigeron divergens Bruce Bartholomew 1989-8-10 5049 Modoc N side of Widow Valley, 10.1 km E of Day on County Road 94. Comment
  HSC5542  Erigeron divergens M. T. Milligan 1966-7-26 582 Modoc N end of Jess Valley 1616 Comment
  SBBG8090  Erigeron divergens H. and M. Dearing 1939-6-7 3571 Modoc near Adin 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-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
  CHSC117858  Erigeron eatonii var. plantagineus L. P. Janeway 2016-5-16 11991 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  RSA163737  Erigeron eatonii var. plantagineus Clare B. Hardham 1961-6-18 7573 Modoc Mtns S of Cedar Pass. 1982 Comment
  RSA518731  Erigeron eatonii var. plantagineus Barbara Ertter 1988-6-18 7628 Modoc Hwy. 139 14.5 miles ENE of jct. Hwy 299 at Canby, N of Bessler Reservoir 1463 Comment
  SBBG8128  Erigeron eatonii var. plantagineus H. and M. Dearing 1939-6-9 3536 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  SBBG8129  Erigeron eatonii var. plantagineus H. and M. Dearing 1939-6-9 3613 Modoc mountain meadow, above Cedarville 2133 Comment
  HSC81104  Erigeron eatonii var. plantagineus G. M. Riegel 1980-8-13 1063 Modoc S Warner Mts. 2100 Comment
  CAS-BOT-BC42770  Erigeron elegantulus Bruce Bartholomew 1991-6-20 5778 Modoc 9.8 km E of junction of county roads 87 and 90. 1250 Comment
  CHSC68563  Erigeron elegantulus Vernon H. Oswald; Beth Corbin, Gary Schoolcraft 1997-5-17 8464 Modoc Quarry on Bushey Rd. on the north side of the Pit River just south of Canby Bridge. Roadside. 1307 Comment
  UC71825  Erigeron filifolius Mrs. M. H. Manning 559 Modoc Mt. Bidwell 2438 Comment
  HSC81105  Erigeron glacialis var. glacialis G. M. Riegel 1980-8-6 994 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC49638  Erigeron inornatus var. inornatus Bruce Bartholomew; Barrett Anderson 1990-7-21 5564 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  JEPS6018  Erigeron inornatus var. inornatus Frances D. Payne 1932-7-25 748 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC49640  Erigeron linearis Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5996 Modoc NW of Alturas 1524 Comment
  UC31441  Erigeron linearis Mrs. R. M. Austin and Bruce Jul 1898 2187 Modoc Comment
  CAS-BOT-BC49581  Erigeron philadelphicus Barrett Anderson 1986-7-9 3181 Modoc Warner Mtns., Stough Reservoir Rd., just E of Cedar Pass near Stough Reservoir 1965 Comment
  RSA503041  Erigeron philadelphicus Bruce Bartholomew, B. Anderson 1988-6-24 4355 Modoc 9.8 km SW of County Road 1 on County Road 42, E side of the Warner Mountains 1960 Comment
  CAS-BOT-BC197828  Eriogonum elatum Leland S. Smith 1917-7-18 75 Modoc Soldier Creek. 1828 Comment
  UCR55661  Eriogonum heracleoides G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mtns., Warner Mountains, Bidwell Mountain, c. 3 mi. south of Oregon border in extreme NE corner of state Comment
  CAS-BOT-BC197805  Eriogonum heracleoides var. heracleoides Leland S. Smith 1917-7-11 96 Modoc Granger Mill Camp. 2133 Comment
  CAS-BOT-BC197814  Eriogonum heracleoides var. heracleoides Annie Montague Alexander; L. Kellogg 1946-7-11 4967 Modoc Eight Mile Creek, northeast corner of county. 1752 Comment
  HSC17278  Eriogonum heracleoides var. heracleoides M. T. Milligan 1966-8-3 633 Modoc West slope of Eagle Peak. 2439 Comment
  CAS-BOT-BC197801  Eriogonum microthecum var. microthecum John Thomas Howell 1934-6-13 12098 Modoc Patterson Mill Road, Warner Mts. 1676 Comment
  CAS-BOT-BC211406  Eriogonum nudum var. pubiflorum R. M. Austin; Bruce 1898-8-1 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC211409  Eriogonum nudum var. pubiflorum Bruce Bartholomew; Barrett Anderson 1990-7-21 5552 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CAS-BOT-BC211418  Eriogonum nudum var. pubiflorum Bruce Bartholomew 1989-7-14 4925 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  NY762345  Eriogonum nudum var. pubiflorum M. J. Williams 1983-7-29 83115- 1 Modoc Stowe Reservoir Road, north of Cedar Pass, Warner Mountains 2072.6 Comment
  SD46518  Eriogonum nudum var. pubiflorum Robert J. Weatherly 1955-7-8 1637 Modoc 3 miles north of Ft. Bidwell, northern Warner Mts. 1554 Comment
  UC1035868  Eriogonum nudum var. pubiflorum Annie M. Alexander and Louise Kellogg 1946-7-7 4937 Modoc slope above meadow, Eight Mile Creek Eight Mile Creek 1752 Comment
  UC6391  Eriogonum nudum var. pubiflorum Mrs. R. M. Austin and Bruce Aug. 1898 2316 Modoc Goose Lake Valley Comment
  UCD100708  Eriogonum nudum var. pubiflorum Richard R. Halse 2004-7-22 6671 Modoc along US Hwy 395, 6 miles north of Alturus. 1341 Comment
  NY762342  Eriogonum nudum var. pubiflorum J. L. Reveal 1975-8-14 3947 Modoc Along California Highway 139-299, 1.2 miles southeast of Adin Summit, about 10.5 miles north of Adin Comment
  UC194971  Eriogonum nudum var. pubiflorum W. P. Taylor and H. C. Bryant 1910-8-7 Modoc mouth of canyon, Dry Cr. Warner Mountains, Dry Cr. 1447 Comment
  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
  RSA239159  Eriogonum prociduum James L. Reveal 1971-6-22 2462 Modoc Along Hwy 395, 3.5 miles north of the jct. of Hwy 395 with Hwy 299, and 1.2 miles north of the Chimney Rock Turnoff. 1402 Comment
  SEINET5330021  Eriogonum prociduum J. L. Reveal 1971-6-22 2462 Modoc Along U.S. Highway 395, 3.5 miles north of the junction of U.S. 395 with California Highway 299, and 1.2 miles north of the Chimney Rock Turnoff. 1402 Comment
  CAS-BOT-BC211400  Eriogonum pusillum Bruce Bartholomew 1993-6-13 6612 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  HSC17341  Eriogonum spergulinum var. reddingianum M. T. Milligan 1966-8-3 624 Modoc W slope of Eagle Peak 2439 Comment
  HSC81002  Eriogonum spergulinum var. reddingianum G. M. Riegel 1979-7-30 622 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC211377  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1984-7-1 84- 88 -1 Modoc NW of Alturas, 3.5 mi N of Hwy 299, Crowder Flat Road. 1371 Comment
  CAS-BOT-BC211389  Eriogonum sphaerocephalum var. halimioides Belknap C. Goldsmith 1912-7-1 56 Modoc Little Hot Spring Valley. Comment
  CAS-BOT-BC211424  Eriogonum sphaerocephalum var. halimioides F. Angwin 1946-6-1 Modoc Adin. 1371 Comment
  CHSC112053  Eriogonum sphaerocephalum var. halimioides Lowell Ahart; John Dittes 2012-7-11 18344 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
  CHSC42183  Eriogonum sphaerocephalum var. halimioides C. E. Laver 1985-7-12 Modoc Ca. 18 mi sw of Alturas and 0.5 mi sw of Graven Reservoir. 1524 Comment
  NY283120  Eriogonum sphaerocephalum var. halimioides R. M. Austin 2319 Modoc Goose Lake Valley Comment
  RSA101446  Eriogonum sphaerocephalum var. halimioides R. Weatherby 1955-7-8 1641 Modoc West side of Cedar Pass, near Warner Mts. 1646 Comment
  UC466004  Eriogonum sphaerocephalum var. halimioides W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr. Warner Mountains, Parker Cr. 1920 Comment
  CAS-BOT-BC211354  Eriogonum strictum subsp. anserinum Elmer Ivan Applegate 1936-7-5 10524 Modoc Lava Beds National Monument. Junction of Medicine Lake and Indian Cave Road. Comment
  CHSC32928  Eriogonum strictum var. anserinum J. P. Smith; J. O. Sawyer 1973-8-8 7246 Modoc South slopes of Eagle Peak. 2743 Comment
  CAS-BOT-BC211372  Eriogonum umbellatum M. Vasey 1990-6-30 9064 Modoc Along County Road 95 in dried wetland nort of road near Egg Lake. 1500 Comment
  NY399144  Eriogonum umbellatum var. dichrocephalum N. H. Holmgren 1964-8-22 1720 Modoc Warner Range, just below the top of Eagle Peak 3027.9 Comment
  CHSC109204  Eriogonum umbellatum var. modocense L. P. Janeway; B. Castro 2012-7-24 10962 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  CHSC109500  Eriogonum umbellatum var. modocense L. P. Janeway; B. Castro 2012-7-26 11011 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  JEPS126556  Eriogonum umbellatum var. modocense Lowell Ahart, John Dittes 2016-6-6 20946 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
  UC190600  Eriogonum umbellatum var. modocense M. F. Gilman 573 Modoc 1676 Comment
  HSC17359  Eriogonum umbellatum var. nevadense M. T. Milligan 1965-6-27 372 Modoc E slope of eroded volcanic plateau. 1677 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
  SEINET5331989  Eriogonum umbellatum var. polyanthum M. J. Williams 1984-7-1 84- 86 -3 Modoc 3.1 mi N of Hwy 299 on Crowder Flat Road. 1341 Comment
  CAS-BOT-BC197598  Eriogonum vimineum Bruce Bartholomew; Barrett Anderson 1990-7-21 5553 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CAS-BOT-BC197602  Eriogonum vimineum Bruce Bartholomew 1991-6-22 5856 Modoc NE side of Surprise Valley on road to Fee Reservoir, 6.4 km E of Fort Bidwell. 1490 Comment
  JEPS117498  Eriogonum vimineum Lowell Ahart, John Dittes 2010-8-31 17115 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valle 1295 Comment
  NY399608  Eriogonum vimineum B. Anderson 1986-7-9 3162 Modoc Warner Mountains. County road 195 just east of Cedar Pass 1785 Comment
  HSC17398  Eriogonum vimineum M. T. Milligan 1964-7-24 163 Modoc Badger Wells Rd. at Boles Creek Crossing 1524 Comment
  UCSB17174  Eriogonum vimineum Hardham, Clare Modoc Davis Creek, Warner Mountains 1676 Comment
  CAS-BOT-BC49590  Eriophyllum lanatum John H. Hatton 1911-6-22 145 Modoc Modoc National Forest 1615 Comment
  CAS-BOT-BC49597  Eriophyllum lanatum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10512 Modoc Patterson Ranger Station (East Creek drainage), Modoc N.F., Warner Mtns. 2164 Comment
  CHSC67478  Eriophyllum lanatum var. achilleoides James D. Jokerst 1983-5-31 1810 Modoc Lyneta Ranch Surveys: Adjacent to Hwy. 395 6 mi S of Alturas. 1341 Comment
  HSC81109  Eriophyllum lanatum var. achilleoides G. M. Riegel 1979-7-15 555 Modoc S Warner Mtns. 1739 Comment
  POM318696  Eriophyllum lanatum var. achilleoides Patricia Wilder 1971-6-20 5095 Modoc Lookout-White Horse Rd., about 3 mi. west of Lookout; north of Bieber and California State Hiway 299. Pit River Drainage, Cascades Mt. Range 1372 Comment
  SEINET11840143  Eriophyllum lanatum var. achilleoides D. E. Johnson, Eckenwalder, J. E. 1974-1 131 Modoc Warner Mountains, just W of summit of Cedar Pass on Hwy 299 (Alturas-Cedarville Rd) 1920 Comment
  UC31682  Eriophyllum lanatum var. achilleoides Milo S. Baker 1893-6 Modoc Comment
  RSA78965  Eriophyllum lanatum var. cuneatum E. K. Balls, Percy C. Everett 1952-10-11 18162 Modoc 4.9 miles west of turnoff to Lava Beds Monument, on road to Pumice Pits at east edge of Glass Flow 1280 Comment
  CAS-BOT-BC301766  Eriophyllum multicaule Lemmon 1878-5-1 s.n. Modoc Surprise Val. Comment
  CHSC107349  Erodium cicutarium Lowell Ahart; John Dittes 2011-6-22 17538 Modoc At the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1262 Comment
  UC68059  Erodium cicutarium Mrs. M. H. Manning 1903-3-29 61 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  HSC94015  Eryngium alismifolium L. C. Wheeler 1935-8-21 3900 Modoc Devil's Garden: Pine Spring 1524 Comment
  CHSC71846  Eryngium articulatum Vernon H. Oswald; Lowell Ahart 1998-9-8 9589 Modoc County Rd. 93 adjacent to the RR at Lookout Junction northwest of Lookout; 1280 Comment
  POM82999  Eryngium articulatum Mrs. R. M. Austin 1895-07 539 Modoc Goose Lake Valley. Comment
  CDA38325  Eryngium articulatum Gene Deal 1993-8-2 s.n. Modoc Modoc National Forest; North of Weed Valley Ranch, Modoc National Forest. 0 Comment
  CHSC66977  Eryngium mathiasiae James D. Jokerst 1987-6-23 2929 Modoc Radar Survey Site S of Doublehead Mtn., off-site surveys SW and SE of Doublehead Mtn., at a large dry lake ca. 1.75 mi from Rimrock Lake. Comment
  UC1510465  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc w. of midsection line rd. Modoc Nat'l Forest Comment
  HSC6794  Erysimum capitatum M. T. Milligan 1967-7-8 664 Modoc W slope of Eagle Peak 2439 Comment
  CAS-BOT-BC58326  Erysimum capitatum var. capitatum Leland S. Smith 1917-7-2 65 Modoc Warren Mt. 2590 Comment
  CAS-BOT-BC58575  Erysimum capitatum var. capitatum M. M. Hanna 1956-6-7 Modoc Junction of Hwy 139 and Glass Mt. road. Comment
  HSC6790  Erysimum capitatum var. purshii M. T. Milligan 1964-7-1 129 Modoc 6 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  CAS-BOT-BC229902  Erythranthe breviflora Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10552 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC229907  Erythranthe breweri Bruce Bartholomew 1991-7-7 6004 Modoc SE end of Sweargart Flat. 1820 Comment
  CAS-BOT-BC234475  Erythranthe inflatula Bruce Bartholomew 1995-6-22 6988 Modoc Between Day and Lookout, just W of Burlington Northern Railroad track on County Road 94. 1270 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-BC234501  Erythranthe microphylla K. Paulson; Robert Paulson 1988-6-19 44 Modoc Near Cottonwood Flat. 1539 Comment
  CAS-BOT-BC234505  Erythranthe microphylla K. Paulson 1978-6-24 s.n. Modoc Curtis Water Hole. Comment
  CAS-BOT-BC234460  Erythranthe primuloides Bruce Bartholomew; Barrett Anderson 1988-7-23 4570 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC234466  Erythranthe pulsiferae Clare Butterworth Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground. Comment
  CAS-BOT-BC234469  Erythranthe pulsiferae Bruce Bartholomew 1995-7-30 7041 Modoc 3.9 km E of Day on County Road 94 just beyond the ridge crest. 1390 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-BC190752  Eschscholzia californica Leland S. Smith 1920-8-8 1202 Modoc Alturas. 1341 Comment
  CAS-BOT-BC190757  Eschscholzia californica Alice Eastwood; John Thomas Howell 1940-6-15 8303 Modoc Lookout. Comment
  CDA8340  Euclidium syriacum Carri Pirosko 2008-6-12 PDR# 1303871 Modoc Off Hwy 299, ~5 miles W. of Alturas 0 Comment
  CAS-BOT-BC95718  Euphorbia serpillifolia M. Vasey 1990-6-30 9027 Modoc Around NW margin of Egg Lake. 1300 Comment
  UCD142792  Euphorbia serpillifolia Louis C. Wheeler 1973-8-24 s.n. Modoc Warner Mountains: Sworinger Reservoir. 1798 Comment
  NY1001168  Euphorbia spathulata M. J. Williams 1988-5-30 88- 26 --12 Modoc Jess Valley, east of Likely, south of roadside rest 1524 Comment
  CAS-BOT-BC15162  Eurybia integrifolia Elmer Ivan Applegate 1932-8-7 8241 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  HSC81017  Eurybia integrifolia G. M. Riegel 1978-8-16 92 Modoc South Warner Mtns. 1670 Comment
  UC485629  Euthamia occidentalis Mrs. M. H. Manning 717 Modoc Likely; ; Irrigating ditch S. Fork of Pit River Comment
  UCR163271  Festuca Jim Andre 1993-7-2 1419 Modoc Modoc Plateau, about 12 miles NW of Canby on Hwy 139 1494 Comment
  HSC9860  Festuca idahoensis R. C. Wunner 1965-7-1 319 Modoc Lava Beds N.M. Near Indian Well campground. 1433 Comment
Read comments
Aug 20 2013
  LA13110  Festuca idahoensis John Thomas Howell; 1934-7-1 12336 Modoc Duncan Horse Camp Comment
  UC1024717  Festuca idahoensis Leo Whitney 1935-5-18 3084 Modoc 15 mi nw Canby (edge of Lake Joaquina); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCR133555  Festuca idahoensis A. A. Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin 1829 Comment
  JEPS69238  Festuca idahoensis Leland S. Smith 1917-7-15 860 Modoc Comment
  CAS-BOT-BC278912  Festuca ovina Elmer I. Applegate 1932-8-1 8028 Modoc Summit of Warner Mountains just south of Warren Peak Comment
  CAS-BOT-BC179188  Floerkea proserpinacoides Frank Warrington Peirson 1926-6-25 6888 Modoc Small side canyon, 1 mi. E of summit, Cedarville Rd. Comment
  NY1101588  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 miles northeast of Alturas 1615 Comment
  JEPS44872  Fragaria virginiana Milo S. Baker 1893-6-15 Modoc Forestdale; sw Modoc Co. Comment
  POM518787  Frasera albicaulis var. nitida Barbara Ertter 1988-6-18 7620 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  CAS-BOT-BC242107  Fritillaria atropurpurea Bruce Bartholomew; Barrett Anderson 1989-6-1 4768 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  HSC97880  Fritillaria atropurpurea Juha Pykala, D. H. Norris 1987-5-28 1265 Modoc Warner Mtns., 3-4 mi. W of Lake City, Lake City Canyon 1829 Comment
  CAS-BOT-BC242094  Fritillaria pudica K. Paulson; Robert Paulson 1989-4-16 97 Modoc Crowder Flat Road, Devil's Garden. Comment
  CAS-BOT-BC242102  Fritillaria pudica Leland S. Smith 1917-6-9 36 Modoc Jess Valley. 1524 Comment
  JEPS61942  Fritillaria pudica Frances D. Payne 1932-4-22 386 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC225049  Galium aparine Robert J. Weatherby 1955-7-8 1623 Modoc 6 mi. N of Ft. Bidwell. 1737 Comment
  CAS-BOT-BC225058  Galium bifolium Bruce Bartholomew; Barrett Anderson 1989-6-2 4843 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  RSA520345  Galium bifolium Bruce Bartholomew, B. Anderson 1989-6-2 4842 Modoc Vicinity of Stough Reservoir, Warner Mtns. 1950 Comment
  CAS-BOT-BC225067  Galium glabrescens subsp. modocense Bruce Bartholomew 1995-7-31 7089 Modoc Top of a rocky knob, E of Bald Mountain, E side of the Warner Mts. 2160 Comment
  RSA165568  Galium glabrescens subsp. modocense Clare B. Hardham 1961-6-18 7540 Modoc 3.2 miles east of Summit of Cedar Pass Comment
  HSC19846  Galium trifidum subsp. subbiflorum M. T. Milligan 1966-7-27 591 Modoc E of Jess Valley 1646 Comment
  UC416653  Galium triflorum Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC416665  Galium triflorum Franklin P. Nutting Modoc near Forestdale Comment
  JEPS87990  Gayophytum decipiens Barbara Ertter 1988-6-18 7624 Modoc 1 mi s of s junction Hwy. 139 junction to Lava Beds National Monument (e of Tonesta, a few mi n of Agric. Inspection Station, ca 50 air mi sw of Klamath Falls) 1310 Comment
  CAS-BOT-BC190837  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1991-7-6 5966 Modoc 2.4 km W of County Road 91 Forest Service road 42N03. 1340 Comment
  CAS-BOT-BC190840  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1990-7-20 5482 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC190846  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-7-14 4948 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  CAS-BOT-BC190849  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-8-13 5139 Modoc ca. 3.2 km N of Manzanita Mountain. 1580 Comment
  RSA563215  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1991-7-6 5966 Modoc 2.4 km W of County Road 91 Forest Service road 42N03. 1340 Comment
  RSA101496  Gayophytum heterozygum R. Weatherby 1955-7-8 1609 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  CAS-BOT-BC190832  Gayophytum humile Bruce Bartholomew; Barrett Anderson 1989-6-1 4724 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  UC1028656  Gayophytum racemosum Robert J. Weatherby 1955-7-8 1609 A Modoc 7 mi n Ft. Bidwell 1874 Comment
  UC1191624  Gayophytum racemosum Herbert L. Mason and Verne Grant 1947-7-9 13310 a Modoc Cedar Pass Warner Range (summit of Range) 1920 Comment
  UC1714623  Gayophytum racemosum Milo S. Baker 1893-1 Modoc Forestdale Comment
  CHSC116075  Geranium carolinianum Lowell Ahart; John Dittes 2015-7-16 20395 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
  UC17119  Geranium carolinianum Milo S. Baker 1893-7-25 Modoc island in Egg Lake Egg Lake Comment
  CAS-BOT-BC180072  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-30 4878 Modoc Highgrade, W side of ridge. 2377 Comment
  UC867443  Geranium viscosissimum C. L. Hitchcock 1940-5-27 6703 Modoc 15 mi ne Alturas 1676 Comment
  HSC8661  Geranium viscosissimum M. T. Milligan 1964-7-4 218 Modoc Lassen Creek above lower campground 1829 Comment
  JEPS61447  Geranium viscosissimum M. F. Gilman 657 Modoc 1524 Comment
  RSA0029589  Geranium viscosissimum var. nervosum F. W. Peirson 1926-6-25 6864 Modoc Cedarville Road, west slope of Warner Mts. Comment
  RSA647788  Geum macrophyllum Marion P. Harthill 1972-6-17 837 Modoc Cedar Pass, Modoc National Forest 1921 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-BC214678  Geum triflorum Bruce Bartholomew; Barrett Anderson 1988-5-12 4131 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  UC1536916  Geum triflorum Gordon H. True Jr. 1938-5-25 916 Modoc Adin Summit 1524 Comment
  CAS-BOT-BC190704  Gilia brecciarum subsp. brecciarum Elmer Ivan Applegate 1897-5-31 878 Modoc Cornell, SE of Tule Lake. Comment
  UCSB19697  Gilia capillaris C. Hardham 1961-6-18 7815 Modoc CEDAR PASS Comment
  NY1011720  Gilia gilioides var. integrifolia B. M. Bartholomew 1988-7-22 4538 Modoc Side Creek, west side of Lake City Canyon, east side of the Warner Mountains. Davis Creek 15' Quad 1980 Comment
  CAS-BOT-BC190698  Gilia inconspicua Bruce Bartholomew 1995-5-13 6905 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1460 Comment
  NY964544  Gilia leptomeria B. M. Bartholomew 1991-6-22 5849 Modoc East side of Surprise Valley, 9.6 km east of Eagleville at the Nevada Border 1520 Comment
  NY964517  Gilia leptomeria var. micromeria B. M. Bartholomew 1995-5-13 6902 Modoc East of Eagleville near Eagleville Airport, south end of Surprize Valley 1390 Comment
  CAS-BOT-BC190679  Gilia modocensis Bruce Bartholomew 1991-5-25 5764 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  CAS-BOT-BC190665  Gilia sinistra subsp. sinistra Alice Eastwood; John Thomas Howell 1940-6-15 8290 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC190670  Gilia sinistra subsp. sinistra Bruce Bartholomew 1991-7-6 5970 Modoc Service Gulch, 4.3 km W of County Road 91 on Forest Service road 42N03. 1330 Comment
  CAS-BOT-BC190676  Gilia sinistra subsp. sinistra Alice Eastwood; John Thomas Howell 1940-6-14 8216 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC218304  Glaux maritima Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16448 Modoc Lane to Phipp's Ranch, ca. 14 mi. N of Cedarville. Comment
  CAS-BOT-BC247692  Glyceria borealis John Thomas Howell 1934-7-2 12362 Modoc Near mouth of Willow Creek, NE side of Clear Lake. 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
  CAS-BOT-BC49528  Gnaphalium palustre Mrs. H. C. Cantelow 1940-6-2 3470 Modoc About 10 mi. NW of Canby on road to Lava Beds Nat. Monument. Comment
  CAS-BOT-BC49535  Gnaphalium palustre Clare Butterworth Hardham 1974-8-6 20172 Modoc Cedar Pass, Warner Mountains between Alturas and Cedarville 1935 Comment
  UC157873  Goodyera oblongifolia Milo S. Baker Aug. 1894 Modoc Forestdale Comment
  CAS-BOT-BC242180  Goodyera oblongifolia Bruce Bartholomew 1994-7-3 6827 Modoc Field redacted by CAS, contact the data manager for more information 1610 Comment
  CAS-BOT-BC229892  Gratiola neglecta John Thomas Howell 1934-6-15 12201 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  RSA210886  Gratiola neglecta Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39100 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  UC1051437  Gratiola neglecta Herbert L. Mason 1955-8-14 14656 Modoc n Rim Rock Reservoir (Drift Fence Reservoir); , n of Rim Rock Reservoir Comment
  CAS-BOT-BC49542  Grindelia hirsutula Bruce Bartholomew 1989-8-11 5057 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  CDA13472  Grindelia nana G. F. Hrusa, T. D. Wilfred 1996-7-21 13319 Modoc Modoc Plateau; adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC85168  Grindelia nana John Dittes; Josephine Guardino 1991-8-23 448 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
  RSA496336  Hackelia californica Elaine Joyal, D. Mehlman 1988-6-28 1290 Modoc N Warner Mts., ridge road. Comment
  CAS-BOT-BC54086  Hackelia cusickii Mrs. H. C. Cantelow 1940-6-2 Modoc 10 mi. NW of Canby on road to Lava Beds National Monument. Comment
  JEPS25294  Hackelia cusickii Frances D. Payne 1932-6-10 643 Modoc s. & e. Alturas (Parker Creek, Warner Mts.); Warner Mts., Parker Creek 1584 Comment
  RSA293417  Hackelia cusickii Reino Alava 1957-7-6 1186 Modoc 2 miles west of Benton Meadows, Davis Creek Pass Road, Modoc Nat l Forest Comment
  RSA565105  Hackelia cusickii D. W. Taylor 1992-5-7 12527 Modoc 0.5 miles E of Duncan Reservoir, on western rim of Black Canyon. 1524 Comment
  CHSC20348  Hackelia micrantha M. T. Milligan 1965-6-30 403 Modoc Eagle Peak Region, Warner Mountains. Slopes and ridges east of Jess Valley. 1828 Comment
  UC24815  Hackelia micrantha Milo S. Baker 1893-6 Modoc Medicine Lake Comment
  UC32258  Helianthella californica subsp. nevadensis Milo S. Baker 1893-6-20 Modoc Comment
  CHSC117236  Helianthus annuus Lowell Ahart; John Dittes 2016-7-16 21244 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS34872  Helianthus annuus F. H. Frost 1925-7-18 80 Modoc Cedarville roadside 2 mi s Cedarville Comment
  CAS-BOT-BC49379  Hemizonella minima R. M. Austin 1894-8-1 Modoc Sugar Loaf Hill. Comment
  UC1597521  Hemizonella minima Mrs. R. M. Austin Modoc Comment
  UC71556  Heracleum lanatum Mrs. M. H. Manning 1903-1 195 Modoc creeks near Fort Bidwell; n.e. Modoc Co. Comment
  HSC80787  Heracleum maximum G. M. Riegel 1980-7-28 958 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC180045  Hesperochiron californicus L. A. M. Black 1894-4-1 109 Modoc Davis Creek. Comment
  JEPS32306  Hesperolinon micranthum Frances D. Payne 1932-7-8 670 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC17268  Hesperolinon micranthum Mrs. R. M. Austin Aug., 1894 Modoc hills Lassen Creek Comment
  CAS-BOT-BC95148  Heterocodon rariflorum Bruce Bartholomew 1992-5-16 6327 Modoc Lunsford Spring. 1600 Comment
  NY541343  Heuchera cylindrica B. M. Bartholomew 1995-8-1 7161 Modoc Bidwell Mountain, east side of the Warner Mountains 2150 Comment
  UC748188  Hieracium albiflorum Annie M. Alexander and Louise Kellogg 1946-6-15 5117 Modoc Deep Creek Warner Mountains, Deep creek Comment
  UC75813  Hieracium nudicaule Milo S. Baker 1893-1 Modoc Forestdale Comment
  CHSC109426  Hieracium scouleri L. P. Janeway; B. Castro 2012-7-24 10973 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  CHSC113985  Hieracium scouleri L. P. Janeway 2014-7-7 11452 Modoc Warner Mountains. North-facing slope along Road 46N25 along Mill Creek, 1.0 km from Bidwell Creek; 5.2 air-km northwest of Fort Bidwell. 1554 Comment
  HSC67889  Hieracium scouleri J. P. Smith, J. O. Sawyer 1973-8-9 7263 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  SD241835  Hippuris vulgaris Louis C. Wheeler 1935-9-8 3957 Modoc Tuttle Place, W side Goose Lake. In shallow sunny pond. 1463 Comment
  UC1101456  Hippuris vulgaris Verne Grant and Irving Schneider 1947-7-21 8118 Modoc N. Fork Pit R. ca. 2 mi. above Alturas; N. Fork Pit R. Comment
  HSC10126  Holcus lanatus M. T. Milligan 1966-7-1 519 Modoc N end of Jess Valley. 1616 Comment
  HSC10243  Holcus lanatus M. T. Milligan 1965-6-26 313 Modoc N end Jess Valley. 1616 Comment
  CAS-BOT-BC214690  Holodiscus microphyllus var. glabrescens Annie Montague Alexander; L. Kellogg 1946-7-23 5061 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC214696  Holodiscus microphyllus var. glabrescens Francis Dorris Payne 1929-7-26 109 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC214699  Holodiscus microphyllus var. glabrescens Bruce Bartholomew 1990-8-4 5626 Modoc Slope on NE side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2520 Comment
  CAS-BOT-BC214705  Holodiscus microphyllus var. glabrescens Bruce Bartholomew; Barrett Anderson 1988-7-22 4488 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  UCD85267  Hordeum brachyantherum Annie M. Alexander; Louise Kellogg 1946-6-18 4794 Modoc Patterson Mill--Silver Creek roads. 1828 Comment
  UCR163265  Hordeum brachyantherum Jim Andre 1993-7-2 1428 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  UCD85367  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1954-7-7 2165 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  UCD85760  Hordeum jubatum Herbert L. Mason 1947-8-9 13478 Modoc E side of Fairchild Swamp, N of Alturas. Comment
  CDA32414  Hordeum jubatum T. C. Fuller 1958-7-8 1944 Modoc Likely: Corporation Ranch 0 Comment
  CAS-BOT-BC58586  Hornungia procumbens Bruce Bartholomew 1991-5-24 5693 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  CAS-BOT-BC181963  Hosackia crassifolia Milo Samuel Baker 1893-7-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC497337  Hosackia pinnata G. Schoolcraft 1996-7-23 2542 Modoc E. of Yankee Jim Ranch 1645 Comment
  SEINET188114  Hydrophyllum capitatum C. L. Hitchcock 1940-5-27 6682 Modoc 15 miles northeast of Alturas. 1615 Comment
  HSC13546  Hydrophyllum capitatum var. alpinum M. T. Milligan 1966-5-14 611 Modoc E slope of eroded volcanic plateau 1677 Comment
  HSC30190  Hydrophyllum capitatum var. alpinum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19321 Modoc Soup Springs Campground Comment
  HSC65629  Hydrophyllum capitatum var. alpinum J. P. Smith, J. O. Sawyer 1972-5-6 5261 Modoc USFS Road to Quail Spring at Hwy. 299 N of Adin 1463 Comment
  HSC81071  Hydrophyllum capitatum var. alpinum G. M. Riegel 1980-6-25 768 Modoc S Warner Mtns. 1670 Comment
  UC1069092  Hydrophyllum capitatum var. alpinum R. C. Wilson 1933-5-29 32 Modoc Rush Creek; Modoc National Forest, Canby Quad. 1310 Comment
  UC1586869  Hydrophyllum capitatum var. alpinum Juha Pykala and D. H. Norris 1987-5-28 1193 Modoc slope near Thoms Creek (Cedar Park campground); Modoc National Forest 1783 Comment
  UC24085  Hydrophyllum capitatum var. alpinum Mrs. R. M. Austin May 1894 Modoc Davis Creek Comment
  POM73853  Hydrophyllum capitatum var. alpinum Mrs. R. M. Austin, Bruce 1898-07 2196 Modoc Goose Lake Mountains. Comment
  CHSC109445  Hymenoxys hoopesii L. P. Janeway; B. Castro 2012-7-24 10972 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  UC748088  Hymenoxys hoopesii Annie M. Alexander and Louise Kellogg 1946-7-7 4950 Modoc Eight Mile Creek 1752 Comment
  CAS-BOT-BC179904  Hypericum anagalloides Bruce Bartholomew 1995-7-30 7066 Modoc NE side of Big Valley Mountains, W of Lookout Junction. 1310 Comment
  HSC81091  Hypericum anagalloides G. M. Riegel 1980-8-7 10005 Modoc S Warner Mtns. 2100 Comment
  JEPS4573  Hypericum anagalloides Frances D. Payne 1935-7-19 795 Modoc s. and e. of Alturas (mouth of Dry Creek - a tributary of Parker Creek); Warner Mts., Dry Creek Comment
  SEINET10720072  Hypericum anagalloides Louis C. Wheeler Wheeler 3954 Modoc McGinty Reservoir, Devil's Garden. S29, T46N, R13E 1463 Comment
  CAS-BOT-BC58445  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1988-5-14 4201 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  CAS-BOT-BC15177  Ionactis alpina K. Paulson; Robert Paulson 1989-5-21 123 Modoc 2.5 mi. SW of Boles Creek on County Road 136. 1438 Comment
  UC23332  Ipomopsis aggregata Milo S. Baker 1893-7-12 Modoc 1371 Comment
  CAS-BOT-BC190653  Ipomopsis aggregata subsp. aggregata Elmer Ivan Applegate 1932-7-31 7992 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CAS-BOT-BC190635  Ipomopsis congesta subsp. palmifrons Elmer I. Applegate 1935-6-10 9486 Modoc Lave Beds National Monument, Caldwell Butte. Comment
  CAS-BOT-BC245097  Iris missouriensis C. L. Hitchcock 1940-5-28 6727 Modoc 15 mi. N of Alturas. 1402 Comment
  JEPS17193  Iris missouriensis B. M. Payne 1931-5-17 343 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CDA3766  Isatis tinctoria T. C. Fuller 1963-7-16 10913 Modoc East side of Fandango Pass Road, 1.8 miles southeast of Highway 395 to Willow Ranch. 0 Comment
  JEPS123849  Isatis tinctoria Lowell Ahart, John Dittes 2015-7-17 20402 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  SBBG8490  Iva axillaris H. and M. Dearing 1939-6-7 3576 Modoc E of Adin Comment
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  SEINET10879274  Iva axillaris subsp. robustior Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 925 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  HSC18689  Ivesia gordonii var. ursinorum M. T. Milligan 1965-7-10 431 Modoc W slopes of Eagle Peak 2591 Comment
  CHSC110899  Juncus balticus subsp. ater Lowell Ahart; John Dittes 2012-7-12 18364 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1101046  Juncus bufonius var. congestus Herbert L. Mason 1947-8-13 13532 Modoc n of Canby (ne side of F reservoir) Comment
  UC1601861  Juncus ensifolius Baker and Nutting 1894-7-28 Modoc Bridge Creek Comment
  CAS-BOT-BC245051  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1991-7-4 5906 Modoc Roney Flat. 1460 Comment
  HSC14034  Juncus mertensianus M. T. Milligan 1965-7-10 429 Modoc W slope of Eagle Peak. 2439 Comment
  CHSC38994  Juncus nevadensis J. D. Jokerst 1983-7-18 1843 Modoc Large meadow area called Miller Flat at the east edge of mdw. NW of the town of Aden. Comment
  CAS-BOT-BC10594  Juncus nevadensis var. nevadensis John Thomas Howell 1934-7-2 12355 Modoc Nate Harrison Grade, SE end of Clear Lake. Comment
  CHSC109504  Juncus parryi L. P. Janeway; B. Castro 2012-7-24 10971 Modoc Warner Mountains. Moonlight Mine, along Road 48N21 1.6 air km southwest of Dismal Swamp. 2328 Comment
  SJSU9687  Juncus tenuis W. Savage 1979-7-24 1565 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  UCR78037  Juniperus communis var. saxatilis David A. Charlet 1989-8-18 574 Modoc Warner Mtns., 3.7 km north of Eagle Peak 2683 Comment
  CAS-BOT-BC81195  Juniperus occidentalis Elmer I. Applegate 1932-8-4 8145 Modoc Cherry Creek about 2 miles above Cantral Mill, western slope of Warner Mountains. Near the upper limits along the road Comment
  HSC1272  Juniperus occidentalis M. G. Burgoyne 1962-4-14 1006 Modoc 6 mi. W of Cedarville on Cedarville Hwy. 1677 Comment
  NY20182  Juniperus occidentalis B. M. Bartholomew 1988-5-13 4142 Modoc This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SD139421  Juniperus occidentalis F. C. Vasek 1962-9-2 day 16 Modoc 4.2 miles east of Likely. 1735 Comment
  UCR162658  Juniperus occidentalis subsp. occidentalis David A. Charlet 1992-6-2 979 Modoc S. Warner Mountains, E of Patterson Guard Station 1829 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
  CAS-BOT-BC95669  Kalmia polifolia Leland S. Smith 1917-9-16 159 Modoc Lassen Creek. 2133 Comment
  CAS-BOT-BC95673  Kalmia polifolia Bruce Bartholomew 1994-7-3 6838 Modoc Mineral Spring, SW of Dismal Swamp, N end of the Warner Mountains. 2310 Comment
  UC1075745  Kalmia polifolia subsp. microphylla Robert J. Weatherby 1955-7-7 1598 Modoc near Dismal Swamp (Mineral Spring); Warner Mountains, Mineral Spring 2331 Comment
  CAS-BOT-BC225085  Kelloggia galioides Bruce Bartholomew; Barrett Anderson 1990-7-20 5528 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC225093  Kelloggia galioides Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2149 Modoc Cedar Peak. Comment
  HSC80760  Kelloggia galioides G. M. Riegel 1980-7-31 937 Modoc South Warner Mtns. 2100 Comment
  UC1037211  Kelloggia galioides Leo Whitney 1934-5-28 1572 Modoc ca 15 mi nw Canby (Spaulding's Butte, Hackamore); Modoc National Forest 1463 Comment
  CAS-BOT-BC247644  Koeleria macrantha Bruce Bartholomew; Barrett Anderson 1990-7-19 5394 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC247651  Koeleria macrantha Leland S. Smith 1917-7-4 101 Modoc Above Cedarville. 1828 Comment
  CHSC112816  Lactuca serriola Lowell Ahart; John Dittes 2013-7-25 18947 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  UC71919  Lactuca serriola Mrs. M. H. Manning 253 Modoc near Fort Bidwell (ne Modoc County) Comment
  UC1964693  Lactuca tatarica subsp. pulchella Mrs. R. M. Austin 1894-1 236 Modoc Goose Lake Valley. Sequoia Mills Comment
  UC71829  Lactuca tatarica subsp. pulchella M. H. Manning 1903-1-1 254 Modoc Comment
  JEPS6030  Lagophylla ramosissima Frances D. Payne 1931-6-18 192 Modoc s and e of Alturas Parker Creek; Warner Mountains 1584 Comment
  POM31752  Lagophylla ramosissima Mrs. R. M. Austin 1895-1 s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC49495  Lagophylla ramosissima subsp. ramosissima Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16375 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 mi. N of Alturas Comment
  HSC28509  Lathyrus brownii D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19472 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  NY716848  Lathyrus rigidus G. Schoolcraft 1998-5-19 2710 Modoc Highway 395 about 9.5 miles north of Davis Creek 1524 Comment
  NY716853  Lathyrus rigidus W. Larkin 04 1920 s.n. Modoc Goose Lake Valley Comment
  NY716864  Lathyrus rigidus B. M. Bartholomew 1988-5-14 4185 Modoc 4.5 km south of Davis Creek on U.S. Highway 395, southeast side of Goose Lake 1470 Comment
  NY716868  Lathyrus rigidus B. M. Bartholomew 1993-5-10 6441 Modoc Just northeast of Davis Creek Cemetery, 1.3 km east of Davis Creek 1500 Comment
  CAS-BOT-BC49460  Layia glandulosa Leland S. Smith 1920-7-21 1105 Modoc Mill Creek. 2133 Comment
  CAS-BOT-BC321173  Layia glandulosa Alice Eastwood; John Thomas Howell 1940-6-14 8247 Modoc Between Mammoth Cave and Lave Beds Nat. Mon. Comment
  UC105922  Ledum glandulosum Mrs. R. M. Austin 145 Modoc Lassen Creek Comment
  CAS-BOT-BC58665  Lepidium chalepense Bruce Bartholomew 1991-6-20 5772 Modoc Just N of Lassen County line on county road 90. 1220 Comment
  CHSC112364  Lepidium perfoliatum L. P. Janeway; B. Castro 2014-6-2 11290 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  UC725918  Lepidium perfoliatum A. A. Heller 1941-6-26 16218 Modoc e end Canby (along U.S. Highway 299) Comment
  UC106732  Leptodactylon pungens Mrs. Austin Modoc hills e Goose Lake (e of Goose Lake); hills e of Goose Lake Comment
  RSA540056  Leptosiphon bolanderi Bruce Bartholomew, M. Bourell 1990-4-26 5155 Modoc 0.5km S of Day. 1100 Comment
  SEINET6033402  Leptosiphon harknessii L. P. Janeway 2014-7-7 11444 Modoc Warner Mountains, east side of crest of Warner Mountains 2.3 air km east of Cedar Pass; along Road 43N07, 1.4 road km east of Stough Reservoir. Cedarville 7.5' quad 2000 Comment
  SJSU13891  Leucocrinum montanum N. A. Hopkins 1985-5-13 1265 Modoc by Highway 395 c. 30 mi S of Alturas Comment
  UC423437  Leucocrinum montanum M. F. Gilman 525 Modoc 1676 Comment
  CAS-BOT-BC197461  Lewisia nevadensis Bruce Bartholomew 1994-5-28 6719 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  CAS-BOT-BC197482  Lewisia triphylla Annie Montague Alexander; L. Kellogg 1946-6-15 4780 B Modoc Deep Creek. 2194 Comment
  CDA13474  Leymus cinereus G. F. Hrusa, T. D. Wilfred 1996-7-21 13321 Modoc Modoc Plateau; Dry formerly moist areas adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Robust perennial, 1.5 m tall, in small colonies. Comment
  POM203132  Leymus cinereus J. T. Howell 1934-6-30 12275 Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC247633  Leymus triticoides Leland S. Smith 1920-7-4 1173 Modoc Alturas. 1310 Comment
  JEPS16567  Ligusticum grayi L. S. Smith 1918-7-11 985 Modoc Warner Mts., Mill Creek Meadow 2072 Comment
  UC572968  Ligusticum grayi Louis C. Wheeler 1935-8-16 3882 Modoc Warner Mts., Twenty Mile Creek, Dismal Swamp 2225 Comment
  CAS-BOT-BC436037  Ligusticum grayi John Thomas Howell 1934-6-14 12150 Modoc Warner Mts., near Los Lake 2438 Comment
  POM228866  Lilaea scilloides L. C. Wheeler 1935-9-18 3991 Modoc Householder Reservoir, Devil s Garden 1524 Comment
  CAS-BOT-BC242075  Lilium pardalinum subsp. shastense Leland S. Smith 1924-6-29 1440 Modoc Happy Camp Ranger Station meadow. Comment
  CAS-BOT-BC242066  Lilium washingtonianum Leland S. Smith 1922-7-20 1274 Modoc Rush Creek Ranger Station below the road. 1905 Comment
  CAS-BOT-BC242069  Lilium washingtonianum Leland S. Smith 1924-6-6 1375 Modoc Egg Lake region. Comment
  CAS-BOT-BC332735  Limosella acaulis R. F. Thorne; Larry E. DeBuhr 1975-8-22 46966 Modoc Ca. 3.4 miles N of Alturas at bridge over North Fork of Pit River 1341 Comment
  CHSC85116  Limosella aquatica John Dittes; Josephine Guardino 1991-7-21 419 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
  UC1101426  Limosella aquatica Herbert L. Mason and Verne Grant 1947-7-12 13418 Modoc s Alturas (Pit River Valley); Pit River Valley Comment
  CAS-BOT-BC198034  Linanthus harknessii Alice Eastwood; John Thomas Howell 1940-6-14 8222 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC198043  Linanthus harknessii Bruce Bartholomew 1991-7-4 5920 Modoc Road between Roney Flat and Miller Flat. 1630 Comment
  NY1012638  Linanthus harknessii A. Tiehm 1984-6-30 8842 Modoc Northwest side of Bidwell Mountain, 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828.8 Comment
  SEINET3163737  Linanthus harknessii L. S. Rose 1940-6-14 40573 Modoc 8 mi. nw. of Canby 1524 Comment
  CAS-BOT-BC198025  Linanthus septentrionalis Bruce Bartholomew 1989-7-15 4997 Modoc Sweagert Flat. 1860 Comment
  UC1178810  Linanthus septentrionalis Herbert L. Mason 1946-7-13 13453 Modoc Fandango Pass Warner Mountains Comment
  UCD123900  Linaria dalmatica subsp. dalmatica W. T. Parsons; T. C. Fuller 1960-7-27 4875 Modoc around old saw mill site, Lassen Creek, near Sugar Hill Planting. Comment
  CHSC109495  Linum lewisii var. lewisii L. P. Janeway; B. Castro 2012-7-26 11010 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  CAS-BOT-BC242177  Listera convallarioides C. C. (Mrs.) Bruce 1898-1-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information Comment
  UC858192  Lithophragma glabrum C. L. Hitchcock 1940-5-27 6718 Modoc 15 mi ne Alturas 1981 Comment
  OBI47979  Lithophragma glabrum Rhonda Riggins 1989-4-28 1658 Modoc Pencil Rd 4.1 mi N of hwy 395 E of Alturas 1402 Comment
  CAS-BOT-BC225827  Lithophragma parviflorum Mrs. H. C. Cantelow 1941-5-23 Modoc 2 mi. W of Adin Pass Summit, W of Alturas, near U.S. Hwy 299. Comment
  POM64599  Lithospermum californicum Milo S. Baker 1893-6-20 s.n. Modoc [Unspecified] Comment
  CAS-BOT-BC54038  Lithospermum ruderale R. M. Austin 1894-6-1 s.n. Modoc Willow Creek Valley. Comment
  CAS-BOT-BC54040  Lithospermum ruderale Edward Kent Balls 1950-5-11 14614 Modoc 2 mi. N of Lake City, W of Upper Alkali Lake. 1417 Comment
  RSA531361  Lithospermum ruderale Bruce Bartholomew, B. Anderson 1989-4-27 4636 Modoc Ryan Canyon, 6km NW of Adin on road to Dutch Flat. 1370 Comment
  CAS-BOT-BC21442  Lomatium bicolor var. leptocarpum Bruce Bartholomew 1991-6-21 5795 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CHSC107350  Lomatium bicolor var. leptocarpum Lowell Ahart; John Dittes 2011-6-22 17548 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  JEPS118263  Lomatium bicolor var. leptocarpum Lowell Ahart, John Dittes 2011-6-22 17548 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  UC1561074  Lomatium bicolor var. leptocarpum Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9015 Modoc s.e. margin Egg Lake (along outlet stream draining into Kramer Reservoir); Upper Modoc plateau, Egg Lake 1408 Comment
  CAS-BOT-BC21428  Lomatium canbyi Bruce Bartholomew 1993-4-3 6405 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  CAS-BOT-BC21435  Lomatium canbyi Bruce Bartholomew; Barrett Anderson 1989-4-30 4712 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  HSC27251  Lomatium canbyi J. P. Smith, J. O. Sawyer 1972-5-6 5275 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  RSA565027  Lomatium canbyi Wm. Taylor 1992-3-16 12329 Modoc Ca. 1 mile SW of southern end Duncan Reservoir (ca. 1.5 air mile E of Amborse) 1494 Comment
  CDA38469  Lomatium dissectum T. C. Fuller 1963-6-11 10646 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  UC585104  Lomatium dissectum var. multifidum E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1812 Modoc ca. 3 mi. w. Cedarville (Cedar Creek Canyon, Warner Mts.); Warner Mts., Cedar Creek Canyon 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
  CAS-BOT-BC30135  Lomatium hendersonii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6533 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  NY1141604  Lomatium hendersonii B. M. Bartholomew 1993-5-13 6533 Modoc Just west of Mud Lake on road to West Valley Reservoir 1460 Comment
  CAS-BOT-BC30142  Lomatium macrocarpum E. S. Willits 1940-4-27 194 Modoc Davis Creek. Comment
  RSA59732  Lomatium macrocarpum E. K. Balls 1950-5-13 14670 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line 1463 Comment
  UC21228  Lomatium macrocarpum Mrs. R. M. Austin and Bruce 1898-6-1 2285 Modoc Goose Lake Comment
  POM78180  Lomatium nevadense C. C. Bruce 1895-05 28 Modoc Goose Lake Valley Comment
  CAS-BOT-BC15753  Lomatium nevadense var. nevadense R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2373 Modoc Goose Lake. Comment
  CAS-BOT-BC15756  Lomatium nevadense var. nevadense Clare Butterworth Hardham 1961-6-18 7590 A Modoc Cedar Pass. 1828 Comment
  UC106256  Lomatium nevadense var. parishii Mrs. R. M. Austin May 1894 415 Modoc Goose Lake Valley Comment
  HSC21525  Lomatium nevadense var. parishii Robert C. Wunner 1965-6-10 141 Modoc Lava Beds N.M., E side of Caldwell Butte above Caldwell minor 1463 Comment
  UC1088543  Lomatium nevadense var. parishii Ornduff 1958-7-2 5017 Modoc 1 mi E of Patterson Meadow campground; Warner Mountains, Modoc National Forest 2438 Comment
  CAS-BOT-BC15764  Lomatium nudicaule Annie Montague Alexander; L. Kellogg 1946-6-14 4771 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  RSA504593  Lomatium nudicaule Bruce Bartholomew, B. Anderson 1988-6-23 4292 Modoc South side of Egg Lake, ca. 1.5 km west of the Burlington Northern railroad track 1300 Comment
  SEINET8756554  Lomatium nudicaule M. J. Williams 1984-6-30 84- 80 -6 Modoc Seepage area near a reservoir 6.8 miles W of Cedarville-Gerlach road 1981 Comment
  UC106271  Lomatium nudicaule Mrs. R. M. Austin 153 Modoc Lava Beds Comment
  RSA554797  Lomatium triternatum Margaret J. Williams 1988-5-30 88- 26 -6 Modoc Jess Valley, east of Likely, south of roadside rest 1524 Comment
  UC643251  Lomatium triternatum var. macrocarpum Alice Eastwood and John Thomas Howell 1940-6-15 8292 Modoc 9 mi. n. Lookout Comment
  SEINET10545662  Lomatium triternatum var. macrocarpum Jeffrey Huber 1971-6-3 Huber 99 Modoc 5 mi. S of Canby on CA Hwy. 299. 1280 Comment
  CAS-BOT-BC21407  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-30 12253 Modoc Duncan Horse Camp. 1355 Comment
  UC106268  Lomatium vaginatum Mrs. R. M. Austin 1894-1 74 Modoc Goose Lake Valley Comment
  OBI81742  Lomatium vaginatum Tracey Call, Viola Call 1961-5-30 2055 Modoc 16 miles north of Alturas. Comment
  CAS-BOT-BC95172  Lonicera involucrata var. involucrata Bruce Bartholomew 1989-8-12 5121 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  CAS-BOT-BC181955  Lotus denticulatus Bruce Bartholomew 1991-7-4 5925 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 Comment
  CDA13454  Lotus denticulatus G. F. Hrusa, T. D. Wilfred 1996-7-21 13301 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. 1267 Comment
  UC15565  Lotus denticulatus M. S. Baker and Frank Nutting 1894-6-8 Modoc near Egg Lake Comment
  CAS-BOT-BC181951  Lotus nevadensis var. nevadensis Bruce Bartholomew 1991-7-6 5983 Modoc W side of Egg Lake between lava beds. 1300 Comment
  CAS-BOT-BC181944  Lotus purshianus var. purshianus Louis Cutter Wheeler 1935-9-4 3947 Modoc McGinty Point, Goose Lake. 1463 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
  CAS-BOT-BC181917  Lupinus arbustus Lindsay Stuart Smith; E. H. Steffen 1917-6-10 38 Modoc Jess Valley. 1524 Comment
  JEPS64953  Lupinus arbustus Frances D. Payne 1932-6-22 574 Modoc s and e Alturas; Warner Mountains, Parker Creek Comment
  SEINET5586601  Lupinus arbustus John F. Emmel 1996-1 1434 Modoc Warner Mts.; ridge 1.1-1.5 air miles south and 0.3-0.5 air mile west of Emerson Peak. Comment
  CAS-BOT-BC182185  Lupinus argenteus Verne Grant; I. Schneider 1947-8-27 8321 Modoc SW end of Clear Lake. Comment
  CAS-BOT-BC182223  Lupinus argenteus John Thomas Howell 1934-6-13 12088 Modoc Surprise Valley, 3.5 mi. S of Lake City. Comment
  SEINET10451604  Lupinus argenteus subsp. argenteus H. P. Bracelin 1931-6-30 Bracelin 500 Modoc Open field at s end of town. Bush 2 ft high; reddish purple flower 1524 Comment
  CDA27383  Lupinus argenteus var. argenteus T. C. Fuller 1971-7-14 19905 Modoc Southern Warner Mountains; East side of Bear Camp Flat, ca. 7 miles south of Eagleville. 0 Comment
  POM212694  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas, south end of town. 1524 Comment
  RSA11959  Lupinus argenteus var. argenteus Elmer I. Applegate 1929-6-24 5885 Modoc Between Lookout and Aden, upper Pitt River region. Comment
  RSA722577  Lupinus argenteus var. argenteus R. R. Halse 2006-8-4 6996 Modoc Modoc National Forest, south end of the Warner Mountains, along Patterson Mill Road by Homestead Flat. 2152 Comment
  CAS-BOT-BC182087  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47455 Modoc Highway 395, Davis Creek (town), 6.4 mi. S. Comment
  CAS-BOT-BC182098  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47460 Modoc Highway 395, Pine Creek (town), 0.8 mi. S. Comment
  CAS-BOT-BC182113  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47464 Modoc Highway 395, Pine Creek (town) 0.8 mi. S. Comment
  HSC104006  Lupinus argenteus var. heteranthus L. Ahart, John Dittes 2011-6-22 17556 Modoc Ten air mi. E of Lookout, Big Valley; 7.7 air mi. W of Adin, 1.1 air mi. S of County Rd. 87, north edge of Ash Creek Floodplain, ~100 yds. NE of the Pilot Butte parking lot 1265 Comment
  JEPS65015  Lupinus argenteus var. heteranthus Leland S. Smith 1918-6-20 974 Modoc Lily Lake Warner Mts., Pine Creek (Lily Lake) (Pine Creek) 1981 Comment
  CAS-BOT-BC182079  Lupinus argenteus var. heteranthus R. M. Austin 1884-8-1 219 Modoc Hills. Comment
  SDSU4664  Lupinus argenteus var. heteranthus D. F. Howe 1964-7-31 3907 Modoc Modoc National Forest 8.5 miles from entrnace on road from Likely, Warner mts. Comment
  POM23636  Lupinus caudatus R. M. Austin 1895-07 410 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC181886  Lupinus latifolius Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16403 Modoc Thoms Creek, 6.1 mi. E of Hwy 299, on Cedar Pass Rd. Comment
  CAS-BOT-BC181889  Lupinus latifolius Mrs. H. C. Cantelow 1940-6-1 Modoc 12.5 mi E of Alturas. Comment
  RSA582465  Lupinus laxiflorus Louis C. Wheeler 1935-9-6 3958 Modoc Tuttle Place, W side Goose Lake. 1463 Comment
  CAS-BOT-BC8444  Lupinus laxiflorus var. calcaratus Alice Eastwood; John Thomas Howell 1940-6-13 8141 Modoc Fandango Pass Comment
  CAS-BOT-BC181880  Lupinus lepidus C. P. Smith 1947-6-13 47449 Modoc 4.2 mi. N of Adin, Highway 299. Comment
  CAS-BOT-BC181877  Lupinus lepidus var. lobbii Elmer Ivan Applegate 1932-8-1 8051 Modoc Near summit of Warren Peak, Warner Mts. 2895 Comment
  UC1540133  Lupinus lepidus var. sellulus Dean Wm. Taylor and Glenn L. Clifton 1987-6-24 9053 Modoc Egg Lake, extreme se portion of lakebed Egg Lake 1280 Comment
  UC201967  Lupinus leucophyllus Milo S. Baker 1899-7-10 304 Modoc Burney Valley Comment
  UCD107959  Lupinus leucophyllus John Robison 1965-6-6 s.n. Modoc 8 miles south of Adin. Ash Creek allottment [sic], Harvey Park. 1676 Comment
  NY747429  Lupinus microcarpus A. Tiehm 1984-6-30 8833 Modoc North edge of Lake Annie on the west side of Bidwell Mountain, northeast of Ft. Bidwell 1530 Comment
  CAS-BOT-BC181841  Lupinus microcarpus var. microcarpus C. P. Smith 1947-6-13 47451 Modoc 2.5 mi. S of Canby, Highway 299. Comment
  JEPS65480  Lupinus microcarpus var. microcarpus Frances D. Payne 1929-7-2 37 Modoc s and e Alturas (Parker Creek, Fern Spring Gulch); Warner Mountains, Parker Creek, Fern Spring Gulch 1584 Comment
  POM27128  Lupinus polyphyllus subsp. superbus R. M. Austin 1895-07 412 Modoc Goose Lake Comment
  RSA60328  Lupinus ruber E. K. Balls 1950-5-10 15965 Modoc 0.5 miles past fork of 395 and road to Cedarville, from Alturas. 1585 Comment
  RSA614441  Lupinus ruber LeRoy E. Detling 1948-5-24 6253 Modoc Pit River 1463 Comment
  CAS-BOT-BC181823  Lupinus saxosus C. L. Hitchcock 1940-5-27 6658 Modoc 9 mi. NE of Alturas. 1402 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
  SEINET10486206  Lupinus saxosus David B. Dunn, Paul Gallian 1971-6-2 Dunn 17782 Modoc 9 mi sw of canby on state hwy. 299, In decomposed granite; in artemisia, very Moist season of year with melting patches of snow. Pinus ponderosa-juniper Association. 30-45 Degree slope. 1463 Comment
  HSC100750  Lythrum tribracteatum Lowell Ahart, John Dittes 2010-8-30 17055 Modoc N side of wash ~10 yd. W of fence, S edge of meadow in the Ash Creek State Wildlife Area, 2,300 ft. N of Lassen Co. line, 3.6 (air) mi. W of Adin and 8 (air) mi. NE of Bieber, Big Valley. 1268 Comment
  JEPS117243  Lythrum tribracteatum 2010-8-30 17055 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley 1268 Comment
  RSA0016027  Lythrum tribracteatum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39099 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC49430  Madia citriodora Bruce Bartholomew 1990-6-15 5220 Modoc W side of Deer Spring Ridge in vicinity of Reid Draw, ca. 1 km N of the Lasson Co. border. 1540 Comment
  CAS-BOT-BC49472  Madia citriodora Bruce Bartholomew 1993-6-12 6590 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  JEPS6014  Madia citriodora Frances D. Payne 1932-6-27 618 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SJSU11765  Madia citriodora R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  CAS-BOT-BC49437  Madia exigua Bruce Bartholomew; Barrett Anderson 1988-6-23 4225 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC49405  Madia glomerata Margaret J. Williams 1983-7-29 83- 116 -2 Modoc 1.1 mi. N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. Comment
  CAS-BOT-BC49448  Madia glomerata M. Vasey 1990-6-30 9063 Modoc Along County Rd 95 in dried wetland N of road, near Egg Lake. 1500 Comment
  CAS-BOT-BC334657  Madia glomerata H. M. Hall 1921-9-9 11668 Modoc Along Klamath Falls-Alturas Road, Northern Modoc County Comment
  POM312519  Madia glomerata H. L. Mason 1947-8-11 13496 Modoc On Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. 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
  RSA504612  Madia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1988-7-21 4414 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  POM29868  Madia minima Mrs. R. M. Austin 1895-07 550 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC242030  Maianthemum racemosum E. S. Willits 1940-5-6 219 Modoc Near Lassen Creek, Willow Ranch. Comment
  CAS-BOT-BC242036  Maianthemum racemosum Elmer Ivan Applegate 1932-8-2 8084 Modoc Mill Creek Meadows, region of the south fork of Pit River. E slope of Warner Mts. Comment
  CAS-BOT-BC242039  Maianthemum racemosum M. M. Hanna 1956-6-5 976 Modoc Cedar Pass. Comment
  POM260013  Maianthemum racemosum subsp. amplexicaule C. L. Hitchcock 1940-5-27 6681 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA210805  Maianthemum stellatum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39126 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC242172  Maianthemum stellatum Leland S. Smith (n.d.) 1001 Modoc Modoc Forest Comment
  CAS-BOT-BC49388  Malacothrix sonchoides Bruce Bartholomew 1991-5-24 5706 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  RSA152606  Malva neglecta I. L. Wiggins, Dorothy Wiggins 1961-6-12 16402 Modoc Shoulders of road along Thomas as Creek, 6.1 miles E. of California State Highwayt 299, along Cedar Pass Road, Modoc County. Comment
  RSA628299  Malva neglecta Louis C. Wheeler 1973-8-26 s.n. Modoc Warner Mountains: Intersection of stream below Van Riper Spring with road to Sworinger Reservoir. 1829 Comment
  CAS-BOT-BC95626  Marah fabacea Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6527 Modoc SW facing slope between Whitehorse Reservoir and Little Hot Spring Valley. 1270 Comment
  CAS-BOT-BC179871  Marrubium vulgare Bruce Bartholomew 1995-8-1 7129 Modoc 4.7 km N of turn off to Cedarville on U.S. Hwy 395. 1380 Comment
  CAS-BOT-BC71146  Marsilea Alice Eastwood; John Thomas Howell 1940-6-15 8282 Modoc Near Happy Camp Ranger Station Comment
  CAS-BOT-BC30189  Marsilea oligospora D. Toren; Barbara Trowbridge 1975-6-21 5313 Modoc In Boles Creek, between Crowder Flat and Clear Lake. 975 Comment
  SEINET7839547  Medicago sativa M. J. Williams 1984-6-29 84- 70 -3 Modoc North of Alturas on Hwy 395 almost to Oregon Border 1433 Comment
  SEINET10737674  Melilotus officinalis Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 928 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  UC71757  Mentha spicata Mrs. M. H. Manning July, 1904 395 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  CAS-BOT-BC179151  Mentzelia albicaulis Annie Montague Alexander; L. Kellogg 1946-6-12 4736 Modoc Fandango Pass. 1676 Comment
  SEINET208167  Mentzelia dispersa C. L. Hitchcock 1940-5-27 6690 Modoc 15 miles northeast of Alturas. 1615 Comment
  UCD117344  Mentzelia laevicaulis Verne Grant; Irving Schneider 1947-7-22 8161 Modoc at headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  SEINET255583  Mentzelia montana Unknown 1946-6-12 4736 Modoc Fandango Pass road. 1676 Comment
  CAS-BOT-BC179112  Mentzelia veatchiana Bruce Bartholomew 1991-5-24 5707 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CAS-BOT-BC179117  Mentzelia veatchiana Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6446 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  JEPS20795  Menyanthes trifoliata Frances D. Payne 1929-7-26 121 Modoc 2 mi sw of Mount Warren (Pine Creek Basin, southeastern Modoc County); Pine Creek Basin 2133 Comment
  CAS-BOT-BC54047  Mertensia cusickii Bruce Bartholomew 1994-5-28 6717 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  CAS-BOT-BC54002  Mertensia longiflora Bruce Bartholomew; Barrett Anderson 1988-5-13 4153 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  CAS-BOT-BC54050  Mertensia longiflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6476 Modoc At the Nevada border on Barrel Spring Road, N end of Surprise Valley. 1680 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
  CAS-BOT-BC54025  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6300 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC58777  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6301 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 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-BC225962  Micranthes nidifica Annie Montague Alexander; L. Kellogg 1946-6-15 4779 Modoc Deep Creek. 2194 Comment
  CAS-BOT-BC49354  Microseris nutans Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16408 Modoc 3 mi. E of Thoms Creek bridge, near Cedar Pass campground. Comment
  UC748189  Microseris nutans Annie M. Alexander and Louise Kellogg 1946-6-14 4750 Modoc Patterson Mill Road, branch to Silver Creek 1828 Comment
  UC35775  Microseris nutans M. S. Baker and Frank Nutting 1894-6-20 Modoc Whitehorse Lake Comment
  UC35777  Microseris nutans Milo S. Baker 1893-6-18 Modoc Comment
  CAS-BOT-BC197911  Microsteris gracilis Bruce Bartholomew 1995-6-24 7028 Modoc Vicinity of old town site of Tionesta on Forest Service Road 44N17. 1430 Comment
  CHSC117815  Microsteris gracilis L. P. Janeway 2016-5-16 11973 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CAS-BOT-BC197904  Microsteris gracilis Mrs. H. C. Cantelow 1935-6-8 3460 Modoc S of Marlin. Comment
  HSC17121  Microsteris gracilis M. T. Milligan 1965-6-27 361 Modoc E slope of eroded volcanic plateau. 1677 Comment
  RSA59514  Microsteris gracilis subsp. humilis E. K. Balls 1950-5-12 14659 Modoc Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake 1677 Comment
  JEPS3972  Mimulus arvensis Frances D. Payne 1932-6-24 597 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA185361B  Mimulus breweri Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  UC69690  Mimulus breweri Mrs. M. H. Manning 1903-8-21 315 Modoc Mt. Bidwell 1981 Comment
  UC71617  Mimulus breweri Mrs. M. H. Manning Modoc Mt. Bidwell Comment
  RSA550576  Mimulus breweri Bruce Bartholomew, B. Anderson 1990-7-20 5521 Modoc Tamarack Flat, E side of Warner Mts. 655 Comment
  UC1778581 Image available Mimulus cusickii S. E. Schoenig 1998-7-4 98 -67 Modoc Gravely slide on N side of Granger Cyn. Rd., 1.5 mi W of Surprise Valley Rd. This intersection being 3.7 miles S of Hwy 299 at Cederville. 1493 Comment
  JEPS127156  Mimulus evanescens Lowell Ahart, John Dittes 2016-7-16 21249 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  RSA550578  Mimulus guttatus Bruce Bartholomew, B. Anderson 1989-6-1 4728 Modoc Shake Spring. NW side of Shaffer Mtn. 1500 Comment
  UC1602795  Mimulus guttatus Milo S. Baker 1893-7-2 Modoc Comment
  UCD122658  Mimulus guttatus Verne Grant; Irving Schneider 1947-7-19 8070 Modoc south of south loop road, on Corporation Ranch, north of Likely. Comment
  JEPS10992  Mimulus lewisii L. S. Smith 1917-7-29 884 Modoc Mill Creek warner Mts. 1981 Comment
  UC748138  Mimulus lewisii Annie M. Alexander and Louise Kellogg 1946-7-24 5064 Modoc at creek on trail to Emerson Camp (Bear Camp Flat); Warner Mountains Comment
  UC748139  Mimulus lewisii Annie M. Alexander and Louise Kellogg 1946-6-22 4816 Modoc Bidwell Creek Warner Mountains Comment
  UC1063132  Mimulus microphyllus R. C. Wilson 1933-6-4 39 Modoc Rush Creek Modoc National Forest, Canby Quadrangle Comment
  POM3473  Mimulus moschatus var. longiflorus R. M. Austin, C. C. Bruce 1898-07 2275 Modoc Head of Davis Creek. Comment
  JEPS27799  Mimulus primuloides subsp. primuloides Frances D. Payne 1931-6-30 248 Modoc sw Warren Peak; Warner Mountains, Pine Creek Basin 2316 Comment
  SBBG98583  Mimulus pygmaeus D. M. Thompson 1988-6-3 927 Modoc Egg Lake, S end; between Kramer Reservoir and White Horse-Lookout Rd along intermittent stream; 2.3 rd mi W of railroad crossing 1299 Comment
  UCD77260  Mimulus pygmaeus Robert E. Preston 2000-5-31 1353 Modoc Modoc Plateau, along Hwy 139, ca. 1 mi w of Forest Service Road 44N11. 1463 Comment
  UC1736252  Mimulus rubellus Dean William Taylor 1988-6-4 9744 b Modoc ca 2.6 mi w of Highway 139 Damons Butte; Modoc Plateau 1341 Comment
  CAS-BOT-BC10932  Mimulus suksdorfii E. K. Balls 1950-5-18 14754 Modoc North of Upper Rush Creek Public Camp, 2.5 miles east of Hwy 299. 1737 Comment
  RSA584831  Mimulus suksdorfii Bruce Bartholomew 1993-6-13 6636 Modoc Consolidated sand dunes just W of Leonard Hot Spring; E side of Surprise Valley. 1410 Comment
  UCSB48513  Minuartia nuttallii Hardham, Clare 1961-6-20 Modoc Bidwell road to Dismal Creek 2438 Comment
  RSA17676  Minuartia nuttallii subsp. fragilis Elmer I. Applegate 1932-8-1 8018 Modoc West slope of Warner Mountains, south of Warren Peak. Comment
  SBBG19108  Minuartia nuttallii var. gregaria C. B. Hardham 1961-6-20 7886 Modoc Bidwell Rd to Dismal Crk 2438 Comment
  NY446178  Minuartia nuttallii var. gregaria L. C. Wheeler 1935-8-5 3786 Modoc Yellow Mountain, Warner Mountains 2438.4 Comment
  CAS-BOT-BC225803  Mitella pentandra Bruce Bartholomew; Barrett Anderson 1988-6-24 4335 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  HSC80721  Mitella pentandra G. M. Riegel 1980-7-31 939 Modoc S Warner Mtns. 1670 Comment
  JEPS43517  Mitella pentandra Frances D. Payne 1931-6-25 259 Modoc 2 mi sw Warren Mt. (Pine Creek Basin, southeastern Modoc County); sw of Warren Mt., Pine Creek Basin 2286 Comment
  HSC81096  Monardella glauca G. M. Riegel 1980-8-13 1049 Modoc South Warner Mtns. 1670 Comment
  RSA504662  Monardella odoratissima Bruce Bartholomew 1988-7-23 4554 Modoc Road beyond Poison Lake 8km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2140 Comment
  CAS-BOT-BC179372  Monardella odoratissima subsp. glauca Bruce Bartholomew 1989-7-14 4965 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  JEPS81094  Monardella odoratissima subsp. glauca G. Schoolcraft 1979-7-17 148 Modoc Above Stowe Reservoir 2072 Comment
  UC1561071  Monardella odoratissima subsp. glauca Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10462 Modoc Eagle Peak Warner Mountains 2880 Comment
  SEINET5333376  Monardella odoratissima subsp. glauca D. Charlet 1989-8-16 537 Modoc Warner Mountains, 1.3 km west/northwest of Eagle Peak 2560 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-BC95544  Monolepis nuttalliana Elmer Ivan Applegate 1897-5-7 845 Modoc Clear Lake. Comment
  RSA624456  Monolepis nuttalliana L. C. Wheeler 1935-9-29 4014 Modoc Two miles south of Alturas 1357 Comment
  CAS-BOT-BC197476  Montia chamissoi Bruce Bartholomew 1991-8-5 6040 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC197518  Montia chamissoi Bruce Bartholomew 1991-7-7 6006 Modoc Pot Hole Spring. 1890 Comment
  JEPS17208  Montia chamissoi Frances D. Payne 1932-6-27 616 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC71835  Montia chamissoi Mrs. M. H. Manning 1903-5-1 115 Modoc near Fort Bidwell (in north-eastern Modoc Count) Comment
  NY497755  Montia fontana var. tenerrima C. L. Hitchcock 1940-5-27 6697 Modoc 12 miles northeast of Alturas 1615.4 Comment
  SEINET7297181 Image available Muhlenbergia asperifolia Leland S. Smith 1917-1 152901 Modoc Surprise Valley, Ft. Bidwell, Warner Mts. 1372 Comment
  CAS-BOT-BC247564  Muhlenbergia filiformis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10560 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  UC1024923  Muhlenbergia richardsonis Leo Whitney 1935-6-29 3355 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCD86986  Muhlenbergia richardsonis L. Whitney 1935-7-19 3539 Modoc Lake Joaquina, Hackamore, ca. 15 mi. NW of Canby, Modoc National Forest. 1463 Comment
  UC60731  Muhlenbergia richardsonis M. S. Baker and Frank Nutting 1894-1 Modoc Comment
  CAS-BOT-BC217294  Myosurus minimus Bruce Bartholomew 1993-6-14 6675 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  SEINET188356 Image available Myriophyllum exalbescens C. L. Hitchcock 1940-5-28 6722 Modoc 15 mi N of Alturas (near Surprise). 1402 Comment
  CAS-BOT-BC180054  Myriophyllum sibiricum Bruce Bartholomew 1992-5-16 6317 Modoc Arnett Spring, N of Bayley Reservoir. 1510 Comment
  UC1101498  Myriophyllum sibiricum Herbert L. Mason and Verne Grant 1947-7-12 13385 Modoc Irrigation ditch by Jones' Lane, off Highway 395, several mi S of Alturas. Comment
  UC1101500  Myriophyllum sibiricum Herbert L. Mason and Verne Grant 1947-8-13 13531 Modoc n.e. side of F reservoir n. of Canby Comment
  CAS-BOT-BC198010  Navarretia breweri Bruce Bartholomew; Barrett Anderson 1989-6-3 4877 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC198016  Navarretia breweri John Thomas Howell 1934-6-12 11988 Modoc 9 mi. S of Davis Creek. Comment
  CAS-BOT-BC198019  Navarretia breweri Mrs. H. C. Cantelow 1940-6-2 s.n. Modoc About 10 miles NW of Canby on road to Lava Bed Monument Comment
  CAS-BOT-BC198021  Navarretia breweri Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2146 Modoc W slope of Cedar Pass. Comment
  UC705723  Navarretia breweri Marion Ownbey, Fred G. Meyer 1940-7-1 2146 Modoc w slope Cedar Peak; Warner Mts. Comment
  RSA91922  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc Cedar Pass Summit, Warner Mountains 1921 Comment
  UC726849  Navarretia breweri A. A. Heller 1941-6-25 16209 Modoc nw of Alturas (plateau s of Big Sage Reservoir) Comment
  CHSC109895  Navarretia capillaris B. Castro; L. P. Janeway 2012-7-26 1968 Modoc Warner Mountains. At Little Lily Lake, 1.5 air mi N of Mt. Vida. 2254 Comment
  UC711872  Navarretia capillaris Roxana S. Ferris and Laura Lorraine 1941-8-13 10554 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest, East Creek drainage (Modoc National Forest, Warner Mountains) 2164 Comment
  SEINET4673744  Navarretia divaricata subsp. vividior Leigh A. Johnson, Haley M. Smith 2011-6-25 11 -064 Modoc Vicinity of mile marker 9.37 off of Hwy 299, near Roney Flat and Johnson Creek roads. 1428 Comment
  CAS-BOT-BC197991  Navarretia intertexta subsp. intertexta Bruce Bartholomew; Barrett Anderson 1990-7-20 5460 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 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
  UC1228168  Navarretia leucocephala subsp. minima Beecher Crampton 1960-6-17 5679 Modoc 2 mi n Perez 1280 Comment
  RSA83300  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8015 Modoc Fandango Pass, Warner Mountains. Comment
  CAS-BOT-BC179307  Nemophila breviflora Bruce Bartholomew 1994-7-2 6812 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  SEINET183890  Nemophila breviflora L. 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 1524 Comment
  UC606896  Nemophila breviflora L. Constance 1938-6-12 2332 Modoc 13.4 mi ne Alturas (edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, western foothills of the Warner Range); western foothills of Warner Range, Thombs Creek 1524 Comment
  CAS-BOT-BC179302  Nemophila parviflora var. austiniae Bruce Bartholomew 1992-5-15 6306 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC179284  Nemophila pedunculata Milo Samuel Baker 1899-8-20 Modoc Forestdale. Comment
  JEPS4033  Nemophila pedunculata Frances D. Payne 1931-6-22 241 B Modoc s and e Alturas (Warner Mountains, Parker Creek, Dry Creek, tributary of); Warner Mountains, Parker Creek, s and e of Alturas 1828 Comment
  UC24289  Nemophila pedunculata Milo S. Baker 1899-8-25 Modoc Forestdale Comment
  UC748434  Nemophila pedunculata Annie M. Alexander and Louise Kellogg 1946-6-14 4754 Modoc Silver Creek Branch of Patterson Mill road 1828 Comment
  POM73900  Nemophila pedunculata Mrs. R. M. Austin 1895-06 540 Modoc Goose Lake Valley. 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
  UC71669  Neoholmgrenia andina Mrs. M. H. Manning 1904-7-16 384 Modoc se slope Mt. Bidwell 1950 Comment
  CAS-BOT-BC349857  Nestotus stenophyllus Mrs. C. C. Bruce 1898-6-1 2184 Modoc Lake City Mt Comment
  UC71619  Nestotus stenophyllus Mrs. M. H. Manning 472 Modoc Northeaster Modoc County Comment
  CAS-BOT-BC245371  Nicotiana attenuata John Thomas Howell 1934-7-2 12366 Modoc W side of Clear Lake. Comment
  CAS-BOT-BC245375  Nicotiana attenuata Belknap C. Goldsmith 1912-8-8 77 Modoc S end of Goose Lake. 1463 Comment
  CAS-BOT-BC49366  Nothocalais troximoides Bruce Bartholomew 1993-6-14 6656 Modoc 5.5 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1440 Comment
  CAS-BOT-BC49371  Nothocalais troximoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6532 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC190813  Oenothera deltoides subsp. piperi Bruce Bartholomew; Barrett Anderson 1989-6-2 4836 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  NY998742  Oenothera elata var. hirsutissima M. S. Baker 1893-8-1 s.n. Modoc Big Valley Comment
  RSA59364  Olsynium douglasii E. K. Balls 1950-5-11 14629 Modoc 8.1 miles NE of Fort Bidwell. Above Cow Head Lake. Along 8 Mile Creek. 1463 Comment
  CAS-BOT-BC245088  Olsynium douglasii var. douglasii Bruce Bartholomew; Barrett Anderson 1988-5-13 4155 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  RSA59650  Olsynium douglasii var. douglasii E. K. Balls 1950-5-12 14641 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. Comment
  UC1178895  Olsynium douglasii var. douglasii Herbert L. Mason 1949-4-16 13993 Modoc mesa e Alturas Comment
  CAS-BOT-BC190791  Orobanche fasciculata Bruce Bartholomew 1990-6-18 5377 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  CAS-BOT-BC190783  Orobanche uniflora Edward Kent Balls 1950-5-18 14756 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1737 Comment
  JEPS79136  Orobanche uniflora subsp. occidentalis L. R. Heckard with Rimo Bacigalupi 1980-6-11 5238 Modoc Junction of Parker Creek and Shields Creek roads, ca. 10 air miles southeast of Alturas. Comment
  POM98607  Orthocarpus cuspidatus subsp. copelandii F. W. Peirson 1926-6-25 6871 Modoc Cedarville Road, Warner Mountains. Comment
  RSA318660  Orthocarpus cuspidatus subsp. cryptanthus Margaret J. Williams 1983-7-29 83- 116 -7 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. 2088 Comment
  CAS-BOT-BC15734  Osmorhiza chilensis Bruce Bartholomew 1992-8-9 6389 Modoc Squaw Peak Trail between Patterson Lake and Owl Creek Trail, E side of Warner Mountains. 2270 Comment
  CAS-BOT-BC15743  Osmorhiza chilensis Roxana Stinchfield Ferris; R. Duthie 1919-6-3 52 Modoc Along Parker Creek at Modoc National Forest boundary., Comment
  CHSC85409  Osmorhiza chilensis John Dittes; Josephine Guardino 1991-8-24 463 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  NY1101666  Osmorhiza chilensis B. M. Bartholomew 1988-6-23 4284 Modoc Widow Valley, 18.0 km west of Day on County Road 94. 1230 Comment
  CAS-BOT-BC15746  Osmorhiza occidentalis Barrett Anderson 1986-7-9 3152 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  RSA82806  Osmorhiza occidentalis Mrs. R. M. Austin, Bruce 1898-06 2263 Modoc Lake City Mt. Comment
  HSC28307  Osmorhiza purpurea D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19466 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC218101  Oxyria digyna Bruce Bartholomew 1991-8-5 6039 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  JEPS57961  Oxyria digyna W. L. Jepson 1918-8-13 7977 Modoc Eagle Peak; Warner Mts., Eagle Peak 3017 Comment
  HSC81005  Oxyria digyna G. M. Riegel 1980-8-11 1032 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC50346  Packera cana Alice Eastwood; John Thomas Howell 1940-6-12 8089 Modoc Jess Valley. Comment
  JEPS5947  Packera cana Frances D. Payne 1931-6-11 151 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS6007  Packera cana Frances D. Payne 1932-6-22 572 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  HSC28870  Packera eurycephala D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19363 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  JEPS30372  Packera eurycephala Peter H. Raven 1962-5-29 17892 Modoc 6 mi e Alturas Comment
  UCD134775  Packera eurycephala B. L. Kay 1960-6-1 s.n. Modoc 2.5 miles northeast of Likely. 1371 Comment
  CAS-BOT-BC50315  Packera eurycephala var. eurycephala Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5991 Modoc NW of Alturas. 1371 Comment
  UC76003  Packera eurycephala var. eurycephala Milo S. Baker 1893-1 Modoc Forestdale Comment
  POM36761  Packera pseudaurea var. pseudaurea Mrs. R. M. Austin 1895-07 558 Modoc Goose Lake Valley. Comment
  UC9352  Paeonia brownii Mrs. R. M. Austin and Bruce June 1898 2227 Modoc Lake City Mt. Comment
  UC9353  Paeonia brownii Milo S. Baker 1893-6-1 Modoc Comment
  POM229219  Panicum capillare L. C. Wheeler 1935-9-13 3984 Modoc Devil's Garden; Fletcher Creek at Pease Place 1524 Comment
  UC1037261  Panicum capillare Leo Whitney 1935-8-24 102 Modoc near Alturas (McArthurs Ranch); McArthurs Ranch Comment
  UC188931  Panicum capillare Milo S. Baker Modoc Big Valley Mountains Comment
  CAS-BOT-BC225848  Parnassia fimbriata Bruce Bartholomew 1992-8-9 6384 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  CAS-BOT-BC225850  Parnassia fimbriata Leland S. Smith 1918-8-26 1049 Modoc Head of canyon, Owl Creek Canyon. 2286 Comment
  RSA551269  Parnassia fimbriata Bruce Bartholomew 1992-8-9 6384 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  SD58433  Paxistima myrsinites L. S. Smith 1922-5-28 Modoc Happy Camp Mountain below ridge. 1675 Comment
  CAS-BOT-BC232313  Pedicularis attollens F. D. Parker 1931-6-12 153 Modoc Parker Creek, Warner Mountains 1584 Comment
  UC748085  Pedicularis semibarbata Annie M. Alexander and Louise Kellogg 1946-8-8 5120 Modoc near summit of Deep Creek; Warner Mountains Comment
  HSC80737  Penstemon davidsonii G. M. Riegel 1979-7-28 614 Modoc S Warner Mtns. 1829 Comment
  RSA11920  Penstemon davidsonii Elmer I. Applegate 1932-8-3 8120 Modoc high area summit of Lower mountains just north of Eagle Peak. Comment
  CAS-BOT-BC232337  Penstemon davidsonii var. davidsonii M. Vasey 1990-6-28 9013 Modoc Trail to summit above N Emerson Lake, South Warner Wilderness 2560 Comment
  CAS-BOT-BC232340  Penstemon davidsonii var. davidsonii Leland S. Smith 1917-7-2 58 Modoc Shields Creek. 2316 Comment
  CAS-BOT-BC232346  Penstemon davidsonii var. davidsonii Annie Montague Alexander; L. Kellogg 1946-7-1 4890 Modoc 0.5 mi. E of summit Bidwell Creek road. Comment
  CAS-BOT-BC232349  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-8-5 8172 A Modoc Cedar Mountain, Warner Mountains Comment
  CAS-BOT-BC265300  Penstemon davidsonii var. davidsonii John Thomas Howell 1934-6-14 12122 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  HSC1971  Penstemon deustus var. pedicellatus M. T. Milligan 1965-6-30 394 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  NY591815  Penstemon deustus var. pedicellatus B. M. Bartholomew 1989-6-3 4858 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  CAS-BOT-BC232332  Penstemon deustus var. pedicellatus John H. Hatton 1911-6-22 138 Modoc Huffman Ranch. 1615 Comment
  CAS-BOT-BC245532  Penstemon gracilentus Robert Patterson; Mona Bourell 1993-8-14 5223 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC245537  Penstemon gracilentus John Thomas Howell 1934-6-14 12176 Modoc Patterson Mill Road 2133 Comment
  UC748182  Penstemon gracilentus Annie M. Alexander and Louise Kellogg 1946-6-28 4861 Modoc Pine Creek Canyon n end Warner Mountains, Pine Creek Canyon 2011 Comment
  JEPS11462  Penstemon heterodoxus var. shastensis Franklin P. Nutting 1894-6-8 Modoc near Egg Lake (Northern California); wet adobe flats near Egg Lake Comment
  UCR80223  Penstemon janishiae Christopher Davidson 1973-5-26 2137 Modoc ST Hwy 299, c. 4 mi west of Canby 1524 Comment
Read comments
Jun 12 2009
  SBBG7136  Penstemon laetus H. and M. Dearing 1939-6-7 3574 Modoc near Adin Comment
  NY604572  Penstemon laetus var. sagittatus B. M. Bartholomew 1995-6-24 7018 Modoc 4.2 km east of County Road 114 on County Road 108. 1360 Comment
  RSA78969  Penstemon laetus var. sagittatus E. K. Balls, Percy C. Everett 1952-10-11 18167 Modoc 6.7 mi W of turn off Hwy 139 on road to Pumice Pits at E edge of Glass Flow. 1280 Comment
  CAS-BOT-BC232501  Penstemon roezlii Mrs. H. C. Cantelow 1940-6-1 4471 Modoc Cedar Pass. 1935 Comment
  CAS-BOT-BC232505  Penstemon roezlii M. M. Hanna 1956-6-7 s.n. Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC245567  Penstemon roezlii David Daniels Keck; Jens Chr. Clausen 1935-6-24 3712 Modoc 3 mi. NE of Willow Ranch, E of Goose Lake. 1550 Comment
  SEINET188331  Penstemon roezlii C. L. Hitchcock 1940-5-28 6719 Modoc 15 mi N of Alturas (near Surprise) 1402 Comment
  SEINET188383  Penstemon roezlii C. L. Hitchcock 1940-5-27 6651 Modoc 9 mi NE of Alturas 1402 Comment
  SFV17481  Penstemon roezlii P. Wilson 1998-7-20 3539 Modoc About 1 mile north of Cedar Pass off Highway 299. 1900 Comment
  CAS-BOT-BC232514  Penstemon roezlii Elmer Ivan Applegate 1929-6-24 5886 Modoc Along Pit River above Adin. Comment
  NY650126  Penstemon roezlii R. M. Austin 07 1898 2361 Modoc Comment
  UC726741  Penstemon roezlii A. A. Heller 1941-6-25 16200 Modoc w of ascent to Cedar Pass; w of ascent to Cedar Pass Comment
  CAS-BOT-BC245493  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  POM44139  Penstemon rydbergii var. oreocharis R. M. Austin 1895-07 520 Modoc Goose Lake Valley. Comment
  SBBG27139  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi N of Alturas 1402 Comment
  UC71748  Penstemon rydbergii var. oreocharis Mrs. M. H. Manning Jul 1903 214 Modoc Tamarack Flat Mt. Bidwell, Tamarack Flat (Mt. Bidwell, ne Modoc County) 2133 Comment
  CAS-BOT-BC245549  Penstemon speciosus Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc 12.5 mi. E of Alturas, road to Warner Mts. Comment
  CAS-BOT-BC245558  Penstemon speciosus Elmer Ivan Applegate 1932-7-9 7607 Modoc N slope of Bidwell Mountain. Comment
  RSA271899  Penstemon speciosus Christopher Davidson 1975-6-4 2613 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  CAS-BOT-BC214728  Peraphyllum ramosissimum Mrs. H. C. Cantelow 1940-5-3 s.n. Modoc 3 mi. E of Canby. Comment
  JEPS45605  Peraphyllum ramosissimum L. S. Smith Jul 1920 1199 Modoc w of Alturas Comment
  RSA31944  Peraphyllum ramosissimum A. A. Heller 1938-6-24 15228 Modoc elevated flat in clay soil about midway between Canby and Alturas. Comment
  SEINET11142109  Perideridia bolanderi subsp. bolanderi M. J. Williams 1984-7-1 84- 86 -1 Modoc Crowder Flat Road, 3.1 miles N of Hwy 299. 1341 Comment
  RSA459115  Perideridia kelloggii L. C. Wheeler 1935-8-16 3881 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC15715  Perideridia oregana Annie Montague Alexander; L. Kellogg 1946-7-10 4951 Modoc N of Lake Annie. Comment
  CAS-BOT-BC95158  Peritoma platycarpa Fred D. Douthitt 1916-5-11 24 Modoc Juniper Flats near Flournoy Swale 1524 Comment
  CAS-BOT-BC95160  Peritoma serrulata C. C. (Mrs.) Bruce 1897-8-7 1732 Modoc Willow Ranch Comment
  CAS-BOT-BC218105  Persicaria amphibia Bruce Bartholomew 1991-10-12 6113 Modoc 3.5 km S of McGinty Point, S end of Goose Lake. 1440 Comment
  CHSC71886  Persicaria lapathifolia Vernon H. Oswald; Lowell Ahart 1998-9-8 9600 Modoc Mosquito Lake on the north side of Whitehorse Flat Reservoir ca. 20 air mi north of McArthur. Common in drying soil on the receding margin of the lake. 1341 Comment
  JEPS127289  Persicaria lapathifolia Lowell Ahart, John Dittes 2016-7-14 21189 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  JEPS4031  Phacelia adenophora Frances D. Payne 1932-6-19 549 Modoc canyon on Jess Valley rd; se Modoc Co. Comment
  JEPS1607  Phacelia adenophora J. G. Lemmon June, 1879 Modoc Surprise Valley and Pyramid Lake Comment
Read comments
May 4 2015
  HSC81069  Phacelia hastata G. M. Riegel 1980-8-28 1070 Modoc S Warner Mtns. 1739 Comment
  UC748110  Phacelia hastata Annie M. Alexander and Louise Kellogg 1946-7-7 4948 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  JEPS2029  Phacelia hastata subsp. compacta W. L. Jepson 1918-8-13 7980 Modoc Eagle Peak Warner Mts. 3017 Comment
  CAS-BOT-BC180007  Phacelia heterophylla subsp. virgata Alice Eastwood; John Thomas Howell 1940-6-14 8240 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  UC71796  Phacelia heterophylla subsp. virgata Mrs. M. H. Manning 1903-6 153 Modoc woods near Fort Bidwell (ne Modoc Co.) Comment
  CDA40416  Phacelia heterophylla subsp. virgata Alice Eastwood & John Thomas Howell 1940-6-13 8119 Modoc Suprise. 0 Comment
  JEPS4036  Phacelia heterophylla subsp. virgata Frances D. Payne 1931-6-21 219 Modoc ridge sw Dry Creek (creek is tributary of Parker Creek, s and e of Alturas); Warner Mountains 1981 Comment
  JEPS2125  Phacelia humilis Mrs. M. H. Manning 1907-1 420 Modoc 12 Mile Creek Mt. Bidwell (e side of mt., ne Modoc Co.) Comment
  UC702951  Phacelia humilis Alice Eastwood and John Thomas Howell 1940-6-13 8185 Modoc w side Cedar Pass Comment
  CAS-BOT-BC179974  Phacelia humilis var. humilis Roxana Stinchfield Ferris; R. Duthie 1919-6-13 126 Modoc Parker Creek. 2133 Comment
  CAS-BOT-BC179983  Phacelia humilis var. humilis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10542 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC179991  Phacelia humilis var. humilis John Thomas Howell 1934-6-13 12062 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC179995  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1988-6-11 29 Modoc N of Stough Reservoir, Warner Mts.. 1706 Comment
  RSA42004  Phacelia humilis var. humilis H. C. Cantelow 1940-6-1 3230 Modoc Cedar Pass Summit, Warner Mountains. Comment
  CAS-BOT-BC179968  Phacelia inundata Bruce Bartholomew 1991-5-24 5708 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CAS-BOT-BC179957  Phacelia linearis Bruce Bartholomew; Barrett Anderson 1989-6-2 4779 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  UC526140  Phacelia linearis John Thomas Howell 1934-6-13 12081 Modoc Fandango Pass Warner Mts. 1828 Comment
  RSA26541  Phacelia linearis H. C. Cantelow 1940-6-2 s.n. Modoc West of Alturas, road to Lava Beds National Monument. Comment
  RSA42002  Phacelia linearis H. C. Cantelow 1940-6-2 3231 Modoc West of Alturas, road to Lava Beds National Monument. Comment
  SBBG22537  Phacelia ramosissima C. B. Hardham 1961-6-20 7872 Modoc Pine Crk Cyn 1676 Comment
  SEINET12271398  Phacelia ramosissima M. Ownbey, Meyer, F. G. 1940-1 2156 Modoc Cedar Peak, Warner Mountains Comment
  CAS-BOT-BC179929  Phacelia ramosissima var. eremophila John Thomas Howell 1934-6-13 12071 Modoc Fandango Pass. 1828 Comment
  UC748439  Phacelia ramosissima var. ramosissima Annie M. Alexander and Louise Kellogg 1946-7-7 4943 Modoc ne corner of county Eight Mile Creek 1752 Comment
  HSC81053  Phacelia sericea G. M. Riegel 1980-9-4 1150 Modoc South Warner Mtns. Comment
  CAS-BOT-BC179926  Phacelia sericea var. ciliosa Robert Patterson; Mona Bourell 1993-8-15 5246 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC179920  Phacelia tetramera Bruce Bartholomew 1995-6-2 6936 Modoc 6.4 km E of Eagleville, S end of Surprize Valley. 1380 Comment
  CAS-BOT-BC179911  Phacelia thermalis Barrett Anderson 1986-7-9 3149 Modoc Crowder Flat Rd, 3.2 km off Hwy 299. 1510 Comment
  UC56441  Phacelia thermalis Milo S. Baker 1899-8-18 Modoc Little Hot Spring Valley; ; Little Hot Spring Valley, Modoc Co. Comment
  UC726937  Phacelia thermalis A. A. Heller 1941-6-26 16220 Modoc three mi w Canby (along hwy) Comment
  CDA13475  Phalaris arundinacea G. F. Hrusa, T. D. Wilfred 1996-7-21 13322 Modoc Modoc Plateau; adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  UCD89652  Phleum pratense Leo Whitney 1935-7-2 s.n. Modoc Happy Camp. 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
  UC1124187  Phlox caespitosa R. C. Wilson 1933-5-21 24 Modoc Stone Coal Valley Road at Hess Mine Modoc National Forest, Canby Quad. 1463 Comment
  CAS-BOT-BC197952  Phlox diffusa F. Angwin 1946-4-21 s.n. Modoc Stonecoal Canyon near Adin Comment
  CAS-BOT-BC197957  Phlox diffusa Bruce Bartholomew 1991-5-25 5743 Modoc McGinty Point, SW side of Goose Lake. 1470 Comment
  UC449711  Phlox diffusa Mrs. R. M. Austin 125 Modoc New Pine Creek Comment
  CAS-BOT-BC197926  Phlox douglasii subsp. rigida Roxana Stinchfield Ferris; R. Duthie 1919-6-14 117 Modoc Near Parker Creek. 1981 Comment
  CAS-BOT-BC197929  Phlox douglasii subsp. rigida Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16392 Modoc 5 mi. E of Hwy 299 along Cedar Pass road. Comment
  CAS-BOT-BC197938  Phlox douglasii subsp. rigida Bruce Bartholomew; Barrett Anderson 1988-6-24 4313 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC197920  Phlox douglasii subsp. rigida Gordon H. True 1964-6-3 1437 Modoc South Fork Pit River between Alturas and Goose Lake. 1432 Comment
  UC1191213  Phlox douglasii subsp. rigida Herbert L. Mason 1949-4-16 13994 Modoc e of Alturas Comment
  SJSU5869  Phlox hoodii subsp. canescens H. L. Buckalew 1961-7-5 Modoc Bald Mt near its summit, Warner Mts 2438 Comment
  RSA488572  Phlox longifolia Bruce Bartholomew, B. Anderson 1988-5-14 4189 Modoc 7 km S of turn off to Crowder Flats along W side Road, W side of Goose Lake, 1410 Comment
  CAS-BOT-BC197860  Phlox stansburyi Alice Eastwood; John Thomas Howell 1940-6-14 8201 Modoc Near Kelly Hot Spring. Comment
  CAS-BOT-BC197866  Phlox stansburyi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6487 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  CAS-BOT-BC197871  Phlox stansburyi E. S. Willits 1940-4-27 195 Modoc Near quarantine station, Alturas. Comment
  RSA165573  Phlox stansburyi Clare B. Hardham 1961-6-18 7806 Modoc 3.3 miles southwest of Cedar Pass Road 1372 Comment
  CAS-BOT-BC497460  Phoenicaulis cheiranthoides B. Bartholomew; M. Gilbert; L. Skog 1993-5-11 6513 Modoc 11 km S of Oregon Border along W side of Goose Lake 1440 Comment
  CAS-BOT-BC58317  Phoenicaulis cheiranthoides F. Angwin 1946-3-31 Modoc Adin. Comment
  CAS-BOT-BC58583  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1932-8-5 8165 Modoc S slope of Cedar Mountain, Cedar Pass, Warner Mts. Comment
  HSC81056  Phoenicaulis cheiranthoides G. M. Riegel 1980-7-18 910 Modoc S Warner Mtns. 1739 Comment
  JEPS15392  Phoenicaulis cheiranthoides Franklin P. Nutting 1892-8-15 Modoc Forestdale Comment
  UC117653  Phoenicaulis cheiranthoides Mrs. R. M. Austin May 1894 4 Modoc Goose Lake Valley Comment
  UCD116146  Phoenicaulis cheiranthoides Geo. C. Wood 1940-4-25 s.n. Modoc Fleming Ranch s.e. end of Goose Lake. 1524 Comment
  CDA33270  Phoenicaulis cheiranthoides Anonymous Modoc Modoc Plateau; Boles Creek Slab 0 Comment
  CDA32619  Phragmites australis T. C. Fuller 1957-9-17 341 Modoc Near Eagleville. 0 Comment
  RSA6893  Pinus albicaulis Elmer I. Applegate 1932-7-9 7587 Modoc Near summit of Bidwell Mountain, Warner Range. Comment
  CAS-BOT-BC30152  Pinus attenuata Belknap C. Goldsmith 1912-6-30 61 Modoc W of Little Hot Spring Valley. 1066 Comment
  CAS-BOT-BC73238  Pinus contorta subsp. murrayana Mrs. R. M. Austin 1895-8-1 261 Modoc Goose Lake, Tamaracks Comment
  HSC80920  Pinus contorta var. murrayana G. M. Riegel 1979-8-23 704 Modoc S Warner Mtns., plot 207 1829 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-BC73022  Pinus monticola A. D. Borden 1911-6-15 s.n. Modoc Davis Creek 2072 Comment
  CAS-BOT-BC79032  Pinus ponderosa Roxana S. Ferris; Rena Duthie 1919-7-13 130 Modoc Parker Creek, Warner Mts. 2133 Comment
  SEINET3874431 Image available Pinus ponderosa var. ponderosa David A. Charlet 1994-7-7 1933 Modoc Warner Mountains near Surprise Valley floor at Lake City turnoff.; 0 1433 Comment
  CDA13479  Plagiobothrys cognatus G. F. Hrusa, T. D. Wilfred 1996-7-21 13320 a Modoc Modoc Plateau; Along banks of Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  UCD120801  Plagiobothrys cusickii Herbert L. Mason; Verne Grant 1947-7-12 13415 Modoc Near south end of west side road, Pit River Valley, south of Alturas. Comment
  JEPS60952  Plagiobothrys cusickii L. S. Smith c. 1918 1259 Modoc Twelve-mile Creek North Warner Mts. 2194 Comment
  UC1191649  Plagiobothrys mollis Herbert L. Mason 1947-8-9 13475 Modoc n Alturas (e side Fairchild Swamp); e side Fairchild Swamp Comment
  UC1191651  Plagiobothrys mollis Verne Grant, Herbert L. Mason 1947-7-12 13407 Modoc sw Alturas (w side South Fork Pit River Valley); w side South Fork Pit River Valley Comment
  CAS-BOT-BC58727  Plagiobothrys mollis var. mollis Elmer Ivan Applegate 1929-7-27 6085 Modoc Clear Lake Dam, N side of Clear Lake. Comment
  SD130521  Plagiobothrys mollis var. mollis B. Bartholomew, B. Anderson 1988-7-21 4421 Modoc South end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC58732  Plagiobothrys scouleri Bruce Bartholomew; Barrett Anderson 1988-7-22 4547 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC58745  Plagiobothrys scouleri Bruce Bartholomew; Barrett Anderson 1988-5-12 4098 Modoc White Horse. 1340 Comment
  RSA495518  Plagiobothrys scouleri Elaine Joyal, D. Mehlman 1988-6-27 1287 Modoc Warner Mts., Jess Valley. 1500 Comment
  POM204141  Plagiobothrys scouleri var. hispidulus J. T. Howell 1934-6-11 11912 Modoc Parker Creek, Warner Mts. 1585 Comment
  POM260097  Plagiobothrys scouleri var. hispidulus C. L. Hitchcock 1940-5-27 6686 Modoc 15 miles northeast of Alturas. 1616 Comment
  UCR165709  Plagiobothrys scouleri var. hispidulus David A. Charlet 1989-8-15 505 Modoc Warner Mountains; 1.2 km NW of Eagle Peak 2550 Comment
  CAS-BOT-BC58770  Plagiobothrys tenellus James D. Jokerst 1983-5-31 1806 Modoc Near Signal Butte. 1340 Comment
  SBBG20689  Plagiobothrys undulatus C. B. Hardham 1961-6-17 Modoc Cedar Pass Cmpgrd Comment
  HSC77910  Platanthera dilatata var. leucostachys O. Ballantyne 1983-7-18 Modoc S Warner Mtns., tributary of N Fork of East Creek 1585 Comment
  POM68546  Plectritis congesta subsp. brachystemon R. M. Austin 1895-05 415 Modoc Goose Lake. Comment
  CAS-BOT-BC245394  Plectritis macrocera John Thomas Howell 1934-6-11 11973 Modoc Parker Creek. 1584 Comment
  SEINET195478  Pleiacanthus spinosus Annie M. Alexander, Louise Kellogg 1946-7-5 5910 Modoc Lava Cliff west Lower Lake Comment
  POM203048  Poa J. T. Howell 1934-6-14 12171 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  HSC80829  Poa bolanderi G. M. Riegel 1979-9-1 730 Modoc S Warner Mtns. 1829 Comment
  SEINET201657 Image available Poa canbyi Unknown 1959-6-19 8491 Modoc At Clear Lake; Warner Mts. 15 miles east of Likely . 1769 Comment
  CAS-BOT-BC247578  Poa cusickii John H. Hatton 1911-6-12 51 Modoc Modoc County. 1463 Comment
  CHSC69232  Poa cusickii subsp. cusickii James D. Jokerst 1987-5-13 2856 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, lake W and adjacent to N end of central sector. 1353 Comment
  UCD91823  Poa pratensis A. A. Beetle 1941-6-29 2822 Modoc 15 miles east of Alturas, road to Cedarville Pass. 1371 Comment
  CAS-BOT-BC247612  Poa pratensis subsp. pratensis Roxana Stinchfield Ferris; R. Duthie 1919-6-13 50 Modoc Parker Creek near Modoc National Forest boundary. Comment
  CAS-BOT-BC247617  Poa pratensis subsp. pratensis Bruce Bartholomew; Barrett Anderson 1990-7-20 5543 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  POM203056  Poa secunda J. T. Howell 1934-7-1 12345 Modoc Duncan Horse Camp Comment
  RSA647548  Poa secunda Marion P. Harthill 1972-6-17 851 Modoc Cedar Pass 1921 Comment
  UCD90461  Poa secunda E. Wilson 1935-5-14 s.n. Modoc E side of Cedar Pass. Comment
  UCD32687  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-6 2085 Modoc 4 miles N of Likely, along US Hwy 395. Comment
  UCD32727  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-7 2166 Modoc 2.5 miles E of Alturas, near radio station KCNO. Comment
  SEINET7855105  Poa secunda subsp. juncifolia I. Tidestrom 1910-6-25 3634 Modoc Modoc NF, Sibley Draw. Comment
  CAS-BOT-BC247663  Poa secunda subsp. secunda Leland S. Smith 1917-7-2 56 Modoc Head of Shield Creek. 2331 Comment
  SJSU9600  Poa secunda subsp. secunda W. Savage 1979-7-5 1369 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1025015  Poa secunda subsp. secunda Leo Whitney 1935-7-13 3495 Modoc ca 17 mi n Canby (Badger Wells) Comment
  UC711843  Poa secunda subsp. secunda Roxana S. Ferris and Laura Lorraine 1941-8-14 10582 Modoc 3 mi from on rd to Eagleville Patterson Ranger Station; Modoc Nat'l Forest, Warner Mts Comment
  UCD92095  Poa secunda subsp. secunda L. Whitney 1935-5-26 3156 b Modoc Ash Creek, 10 miles E of Adin. Comment
  UCD92103  Poa secunda subsp. secunda L. Whitney 1935-7-7 3393 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  CAS-BOT-BC247655  Poa wheeleri Bruce Bartholomew 1990-8-4 5644 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  HSC65256  Poa wheeleri J. P. Smith, J. O. Sawyer 1973-8-8 7222 Modoc Near summit of Eagle Peak 2988 Comment
  UCD91572  Poa wheeleri Beecher Crampton; Carl W. Rimbey 1954-7-6 2102 Modoc slope above Shields Creek, 20 miles east of Alturas. Warner Mountains. Comment
  CAS-BOT-BC179345  Pogogyne floribunda James D. Jokerst 1987-7-13 2946 Modoc W of Sector 4 of the Air Force Backscatter Radar site. Ca. 3 mi. S of Doublehead Mountain. Comment
  CAS-BOT-BC179354  Pogogyne floribunda Bruce Bartholomew 1991-8-4 6021 Modoc 3.2 km S of Drift Fence Tank on road to Mud Lake. 1580 Comment
  CHSC67517  Pogogyne floribunda J. D. Jokerst 1987-7-13 2945 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), west of Sector 4 of the Air Force Backscatter Radar Site. About 3 miles S of Doublehead Mountain. Comment
  NY22575  Pogogyne floribunda J. D. Jokerst 1990-7-31 3205 Modoc Dry lakebed with Artemisia cana. Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), about 1.5 miles SE of Doublehead Mountain, N and adjacent to dirt road and 0.25 mile W of a north to south-oriented fenceline through the center o Comment
  SEINET5850111  Polanisia dodecandra R. R. Halse 2010-9-2 8109 Modoc Warner Mountains; Modoc National Forest; along State Hwy. 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead.; 0 1619 Comment
  CAS-BOT-BC197847  Polemonium micranthum Alice Eastwood; John Thomas Howell 1940-6-12 8057 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC263237  Polemonium micranthum R. Stubbs 2010-5-8 005 Modoc Modoc National Forest Rush Creek off of CA-299 1502 Comment
  UC907837  Polemonium micranthum John Chattin, Dan Tillotson 1947-5-7 40 Modoc Alturas Comment
  HSC6718  Polyctenium fremontii M. T. Milligan 1964-4-25 Modoc 7 mi. W on Centerville Rd. from Alturas Comment
  CAS-BOT-BC58323  Polyctenium fremontii var. fremontii Alice Eastwood; John Thomas Howell 1940-6-15 8275 Modoc Near Perez. Comment
  CHSC67097  Polyctenium fremontii var. fremontii James D. Jokerst 1987-5-13 2855 B Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, dry lake W and adjacent to N end of central sector. 1353 Comment
  UC1112254  Polygonum aviculare subsp. buxiforme R. C. Bacigalupi with S. Galen Smith 1957-6-28 5984 Modoc depression along Hwy 299 4.2 w junction with Highway 395 at Alturas Comment
  RSA0034565  Polygonum convolvulus Louis C. Wheeler 1935-8-6 3799 Modoc Mouth Pine Creek, Warner Mountains. 1509 Comment
  CAS-BOT-BC218130  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1988-7-21 4409 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC218136  Polygonum douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC218139  Polygonum douglasii Alice Eastwood; John Thomas Howell 1914-6-14 8227 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC218142  Polygonum douglasii John Thomas Howell 1934-6-12 12002 Modoc Davis Creek. Comment
  UC1179039  Polygonum douglasii subsp. douglasii F. H. Frost 1925-7-24 106 Modoc Jess Valley Warner Mts. Comment
  JEPS94697  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald and Lowell Ahart 1998-9-8 9590 Modoc County Road 93 adjacent to the Rail Road at Lookout Junction nw of Lookout; County Road 93 1280 Comment
  CAS-BOT-BC218160  Polygonum polygaloides Bruce Bartholomew 1991-6-23 5883 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  CAS-BOT-BC218166  Polygonum polygaloides Bruce Bartholomew 1991-7-4 5892 Modoc S end of Higgins Flat. 1370 Comment
  JEPS98240  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-17 1388 Modoc 11 mi NW of Canby (N side of Hwy 139, 2.3 mi e of FSR 44N11) 1490 Comment
  POM260895  Polygonum polygaloides subsp. confertiflorum Alice Eastwood, John T. Howell 1940-6-14 8210 Modoc 8 miles NW of Canby Comment
  UCD77936  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-7-19 1422 Modoc Ca. 9 mi nw of Canby, on n side of Hwy 139, 2.0 mi w of Forest Service Rd 46N10. 1488 Comment
  CAS-BOT-BC218169  Polygonum polygaloides subsp. confertiflorum Herbert Louis Mason 1957-6-21 14706 Modoc West side of Said Valley. Comment
  CAS-BOT-BC218175  Polygonum polygaloides subsp. esotericum Bruce Bartholomew 1995-6-4 6966 Modoc 6.3 km NW of Country Road 91 on County Road 93 between Lookout and Egg Lake. 1260 Comment
  JEPS86719  Polygonum polygaloides subsp. esotericum 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
  JEPS49472  Polygonum polygaloides subsp. kelloggii Louis C. Wheeler 1935-8-16 3867 Modoc Warner Mts., Dismal Swamp, Twenty-Mile Creek 2225 Comment
  OBI48886  Polygonum polygaloides subsp. kelloggii Lewis S. Rose 1940-6-14 40494 Modoc 8 mi NW of Canby 1524 Comment
  UC6708  Polygonum polygaloides subsp. kelloggii M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  CAS-BOT-BC218194  Polygonum polygaloides subsp. polygaloides Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13327 Modoc About eastern outkirts of Lookout. Comment
  CDA22856  Polygonum ramosissimum T. C. Fuller 1958-8-12 2068 Modoc Corporation Ranch, Likely. 0 Comment
  CHSC117258  Polygonum ramosissimum subsp. prolificum Lowell Ahart; John Dittes 2016-7-14 21191 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  NY407626  Polygonum sawatchense B. M. Bartholomew 1989-6-2 4781 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  CDA13459  Polygonum spergulariiforme G. F. Hrusa, T. D. Wilfred 1996-7-21 13306 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  RSA520360  Polygonum spergulariiforme Bruce Bartholomew 1989-7-14 4923 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  CAS-BOT-BC252512  Polypogon monspeliensis Bruce Bartholomew 1994-10-8 6876 Modoc 1.8 km S of Lookout - Adin Road on County Road 87A. 1260 Comment
  UCD91357  Polypogon monspeliensis Malcolm A. Nobs; S. Galen Smith 1949-7-20 1052 Modoc 4 miles west of Adin. Comment
  UC71755  Populus tremuloides Mrs. M. H. Manning 1903-4 72 Modoc near Fort Bidwell (ne Modoc County); near Fort Bidwell Comment
  UCD169695  Porterella carnosula Louis C. Wheeler 1935-8-22 3908 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  POM313002  Potamogeton epihydrus H. L. Mason, Verne Grant 1947-7-12 13397 Modoc Irrigation ditch by Jones Lane, off Hwy 395, several miles S of Alturas. Comment
  UC1099879  Potamogeton epihydrus Verne Grant, Irving Schneider 1947-7-22 8134 Modoc n of Alturas (North Fork Pit River by confluence with Gleason Creek on Hwy 395); North Fork Pit River Comment
  UC1099880  Potamogeton epihydrus subsp. nuttallii Verne Grant, Irving Schneider 1947-7-21 8127 Modoc n of Alturas (North Fork Pit River by bridge on Hwy 395); North Fork Pit River Comment
  UC157923  Potamogeton foliosus Milo S. Baker 1899-8-24 Modoc Carmichaels Mill Big Valley Comment
  UC441324  Potamogeton foliosus Milo S. Baker 1899-8-24 Modoc Carmichaels Mill Big Valley Comment
  CHSC117500  Potamogeton foliosus subsp. foliosus Lowell Ahart; John Dittes 2016-7-14 21211 Modoc In Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) west of Adin, Big Valley. 1273 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
  SEINET5335353  Potamogeton natans M. S. Baker 1899-8-12 s.n. Modoc Egg Lake Comment
  RSA210789  Potamogeton nodosus Robert F. Thorne, C. W. Tilforth 1969-9-4 39046 Modoc Parker Creek at bridge near junction with north fork of Pit River, 5 miles north of Alturas. 1341 Comment
  SEINET5335406  Potamogeton perfoliatus M. S. Baker 1899-8-24 s.n. Modoc in Pit River at Lookout Comment
  UC1100096  Potamogeton richardsonii Verne Grant, Irving Schneider 1947-8-29 8350 Modoc 4 mi sw of Canby (Pit River 1 mi w (downstream) of Bridge 305, Highway 299); Pit River, Highway 299 Comment
  UCD138296  Potamogeton richardsonii Herbert L. Mason; Verne Grant 1947-7-11 13380 Modoc on road from Likely to Jess Valley, ca. 1 mile east of Likely. Comment
  UC1099850  Potamogeton striatus Herbert L. Mason 1947-8-15 13540 Modoc e. side Goose Lake (mouth of Crane Creek on Willow Ranch) Comment
  CAS-BOT-BC242267  Potamogeton zosteriformis Verne Grant; I. Schneider 1947-7-18 8054 Modoc 1.4 mi. N of Bayley's bridge, S of Alturas. Comment
  UC1100088  Potamogeton zosteriformis Verne Grant, Irving Schneider 1947-7-18 8054 Modoc 1.4 mi n of Bayley's Bridge (s of Alturas) Comment
  UCD149956  Potamogeton zosteriformis Harry George 1967-6-15 s.n. Modoc Egg Lake. Comment
  JEPS44297  Potentilla biennis Milo S. Baker 1893-6-13 Modoc Lava Beds of Egg Lake Comment
  RSA59518  Potentilla biennis E. K. Balls 1950-5-21 14823 Modoc Along roadside ditch just above South Fork Camp, likely to Jess Valley 1433 Comment
  POM33920  Potentilla biennis R. M. Austin 1890-07 522 Modoc Northern California, Goose Lake. Comment
Read comments
Sep 7 2010
  CAS-BOT-BC214742  Potentilla breweri Bruce Bartholomew; Barrett Anderson 1988-7-22 4543 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC214747  Potentilla breweri Francis Dorris Payne 1932-7-1 656 Modoc Pine Creek Basin, Warner Mts. Comment
  HSC75589  Potentilla breweri G. M. Riegel 1980-8-14 1068 Modoc S Warner Mtns. 2100 Comment
  UC1594785  Potentilla breweri David Charlet 1989-8-15 501 Modoc 1 km nw Eagle Peak (Upper Slide Creek Meadows); South Warner Mountains, nw of Eagle Creek 2550 Comment
  RSA612793  Potentilla bruceae Louis C. Wheeler 1935-8-1 3734 -B Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  CAS-BOT-BC214739  Potentilla drummondii Bruce Bartholomew; Barrett Anderson 1988-7-23 4568 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  POM229173  Potentilla glandulosa Louis C. Wheeler 1935-8-8 3810 Modoc Warner Mountains: N Fork Bidwell Creek. 2378 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-BC214794  Potentilla gracilis E. S. Willits 1940-5-17 262 Modoc Willow Ranch. Comment
  NY832655  Potentilla gracilis B. M. Bartholomew 1991-8-5 6044 Modoc Squaw Peak Trail on north side of Squaw Peak, east side of Warner Mountains 2450 Comment
  CHSC70770  Potentilla gracilis var. fastigiata A. Sanger 1997-7-8 2557 Modoc Quaking Aspen Spring within and north of Aspen stand. 1469 Comment
  JEPS86373  Potentilla gracilis var. fastigiata Jack and Betty Guggolz 1988-6-30 971 Modoc from a sparsely vegetated gravelly flat near the Old Canon Mill Road Comment
  UC545657  Potentilla gracilis var. fastigiata John Thomas Howell 1934-7-1 12303 Modoc Duncan Horse Camp Comment
  UC903241  Potentilla gracilis var. fastigiata Frances Payne 1931-6-17 181 Modoc Parker Creek, Warner Mountains south and east of Alturas. 1584 Comment
  UC114480  Potentilla gracilis var. flabelliformis Mrs. R. M. Austin June 1894 83 Modoc Davis Creek Comment
  CAS-BOT-BC143313  Potentilla newberryi Verne Grant; Irving Schneider 1947-8-27 8313 Modoc Southwest end of Clear Lake Comment
  CHSC117253  Potentilla rivalis Lowell Ahart; John Dittes 2016-7-14 21196 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1191491  Potentilla rivalis Herbert L. Mason 1947-8-9 13476 Modoc n Alturas (e side of Fairchild Swamp); , n of Alturas Comment
  UC1191494  Potentilla rivalis Herbert L. Mason 1947-8-13 13518 Modoc n Canby (ne side of F reservoir); n of Canby, ne side of F reservoir Comment
  CAS-BOT-BC225032  Poteridium annuum Leland S. Smith 1918-6-14 936 Modoc Buck Creek Ranger Station & Willow Creek. 1676 Comment
  UCSB18014  Prunus emarginata Haller, John 1962-6-8 Modoc Slopes adjacent to South Fork of the Pit River, near Little Meadows Campground, Likely-Eagleville Road about 8 miles East of Likely, Warner Mountains 1584 Comment
  JEPS114666  Prunus subcordata Lowell Ahart, John Dittes 2008-8-25 15325 Modoc Open pasture field, on the west side of East Gouger Neck Road, east of the Pit River, 2.1 miles by road from County Road 91, 5.6 miles (air) northeast of Lookout 1293 Comment
  UC62227  Prunus subcordata Mrs. M. H. Manning 1904-9-1 2 Modoc Alturas Comment
  CHSC100358  Prunus virginiana var. demissa Lowell Ahart; John Dittes 2008-8-25 15301 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  JEPS44714  Prunus virginiana var. demissa Frances D. Payne 1929-6-21 12 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UCD91488  Pseudoroegneria spicata A. A. Beetle 1941-6-29 2828 Modoc Near summit of Cedarville Pass. 2118 Comment
  UCD91520  Pseudoroegneria spicata L. Whitney 1935-7-2 s.n. Modoc Badger Well. Comment
  UC1024942  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-2 3329 Modoc 17 mi nw of Canby (Badger Wells); Badger Wells Comment
  UC188857  Pseudoroegneria spicata subsp. spicata Milo S. Baker Modoc near Forestdale Comment
  CAS-BOT-BC95218  Pseudostellaria jamesiana Francis Dorris Payne 1932-7-3 601 Modoc Parker Creek. 1584 Comment
  SBBG15278  Pseudostellaria jamesiana H. and M. Dearing 1939-6-8 3600 Modoc Pine Cyn, Warner Mtns 1828 Comment
  UC711879  Pseudostellaria jamesiana Roxana S. Ferris and Laura Lorraine 1941-8-13 10513 Modoc Patterson Ranger Station (East Creek drainage) Warner Mts., Modoc National Forest (Modoc National Forest, Warner Mts.) 2164 Comment
  JEPS46213  Pseudostellaria jamesiana F. H. Frost 1925-7-12 51 Modoc Stow's Meadow Cedar Canyon (Cedar Canyon, Warner Mountains); Warner Mountains, , Stow's Meadow Comment
  SD149209  Pseudotsuga menziesii B. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1399 Comment
Read comments
Dec 3 2007
  NY63591  Pseudotsuga menziesii var. menziesii B. M. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir 1400 Comment
  CAS-BOT-BC50387  Psilocarphus oregonus Roxana Stinchfield Ferris; R. Duthie 1919-6-15 1389 Modoc Parker Creek, Warner Mountains Comment
  CAS-BOT-BC30197  Pteridium aquilinum var. pubescens Bruce Bartholomew 1994-5-28 6715 Modoc E side of Sugar Hill, W side of Warner Mts. 1840 Comment
  CHSC112684  Puccinellia lemmonii Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18763 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
  UCD32736  Puccinellia lemmonii Beecher Crampton 1954-7-8 2189 Modoc Modoc County, 1.5 miles west of Altura, extension of 4th Street. Comment
  SEINET229269 Image available Puccinellia nuttalliana Arnold Tiehm, Jan Nachlinger; Gary Schoolcraft 1984-6-24 880 Modoc Surprise Valley east side of Middle Alkali Lake east of Cedarville. 1356 Comment
  NY848522  Purshia tridentata A. D. Borden 1911-6-15 s.n. Modoc South slope of Davis Creek Comment
  CAS-BOT-BC218235  Purshia tridentata var. tridentata F. Angwin 1946-4-25 Modoc Adin. 1371 Comment
  JEPS44641  Purshia tridentata var. tridentata Frances D. Payne 1931-7-11 152 Modoc s and e of Alturas (Parker Creek); Warner Mountains 1584 Comment
  RSA59519  Purshia tridentata var. tridentata E. K. Balls 1950-5-21 4850 Modoc Opposite South Fork Public Camp. South Fork Pit River. 1479 Comment
  UC467825  Purshia tridentata var. tridentata M. F. Gilman 622 Modoc hills 1524 Comment
  UC73563  Pyrola asarifolia Milo S. Baker Modoc Forestdale Comment
  HSC17980  Pyrola dentata Ms. M. H. Manning 1903-9-2 378 Modoc John Henry Hill 1829 Comment
  CAS-BOT-BC95685  Pyrola minor Bruce Bartholomew; Barrett Anderson 1990-7-20 5511 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC95694  Pyrola picta Annie Montague Alexander; L. Kellogg 1946-8-8 5119 Modoc End of Portal Reservation Road, Deep Canyon. Comment
  UC1037320  Pyrrocoma carthamoides var. cusickii Leo Whitney 1934-6-2 1862 Modoc ca 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UC891896  Pyrrocoma carthamoides var. cusickii Lewis S. Rose 1940-6-14 40565 Modoc Kelly Hot Springs 1341 Comment
  CAS-BOT-BC50399  Pyrrocoma hirta var. lanulosa Leland S. Smith 1920-8-30 3 A Modoc Windmill Flat. 1524 Comment
  UC76018  Pyrrocoma hirta var. lanulosa Milo S. Baker July 1894 Modoc lake at Mt. Meadows w of summit w Eagle Lake; Lake at Mt. Meadows w of summit Comment
  CAS-BOT-BC50353  Pyrrocoma lanceolata var. lanceolata Bruce Bartholomew 1990-6-18 5365 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  CAS-BOT-BC50356  Pyrrocoma lanceolata var. lanceolata Alice Eastwood; John Thomas Howell 1940-6-14 8198 Modoc 6 mi. W of Alturas. Comment
  POM229879  Pyrrocoma racemosa var. paniculata L. C. Wheeler 1935-9-27 4008 Modoc Pease Flat, Devil's Garden. 1524 Comment
  CAS-BOT-BC105113  Quercus kelloggii Annie M. Alexander; Louise Kellogg 1948-9-18 5623 Modoc 1 mile SW of Adin Pass summit 1524 Comment
  SEINET5644361  Quercus kelloggii Christopher Davidson 1975-6-4 2626 Modoc 0.7 mi E of Upper Rush Cr. Camp on dirt rd off Hwy 299 ca. 7 mi N of Adin. Left side of rd, several meters below a roadside seepage area. 5400 ft. elevation.; 0 1645 Comment
  CAS-BOT-BC50364  Raillardella argentea Bruce Bartholomew 1992-8-8 6372 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  CHSC118277  Ranunculus alismifolius var. alismifolius L. P. Janeway 2016-5-18 12072 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  POM269535  Ranunculus alismifolius var. hartwegii Louis C. Wheeler 1935-8-4 3774 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC217266  Ranunculus aquatilis var. aquatilis Bruce Bartholomew 1992-5-16 6318 Modoc Arnett Spring, N of Bayley Reservoir. 1510 Comment
  POM312421  Ranunculus aquatilis var. capillaceus Verne Grant, Irving Schneider 1947-7-22 8135 Modoc N Fork of Pit River by State Quarantine Station, Hwy 395, N of Alturas. Comment
Read comments
Mar 20 2011
  UC1101364  Ranunculus aquatilis var. capillaceus Herbert L. Mason and Verne Grant 1947-7-11 13370 Modoc irrigation ditch by Jones' Lane (off Hwy 395, s of Alturas) Comment
  UC9367  Ranunculus aquatilis var. capillaceus M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC217269  Ranunculus aquatilis var. diffusus Bruce Bartholomew 1992-5-16 6321 Modoc Lunsford Spring. 1600 Comment
  CAS-BOT-BC217275  Ranunculus aquatilis var. diffusus Herbert Louis Mason; Verne Grant 1947-7-11 13370 Modoc By Jones Lane, off Highway 395, S of Alturas. Comment
  CHSC115851  Ranunculus aquatilis var. diffusus Lowell Ahart; John Dittes 2015-7-16 20376 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
  POM261552  Ranunculus aquatilis var. hispidulus J. T. Howell 1940-6-14 8219 Modoc 8 mles NW of Canby Comment
  SEINET12087539  Ranunculus austinae R. M. Austin 1894-1 s.n. Modoc E of Willow Creek Comment
  CAS-BOT-BC217230  Ranunculus cymbalaria Bruce Bartholomew 1994-7-1 6764 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  RSA210877  Ranunculus cymbalaria var. saximontanus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39083 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  CAS-BOT-BC217236  Ranunculus eschscholtzii var. oxynotus Annie Montague Alexander; L. Kellogg 1946-7-30 5098 Modoc Eagle Peak, Warner Mts. Comment
  CAS-BOT-BC217239  Ranunculus flabellaris Alice Eastwood; John Thomas Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  CAS-BOT-BC217242  Ranunculus flammula Bruce Bartholomew 1991-7-6 5978 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  HSC18211  Ranunculus flammula var. ovalis M. T. Milligan 1966-7-5 556 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CHSC42167  Ranunculus glaberrimus C. E. Laver 1986-3-26 Modoc Ca. 11.5 mi ne of Alturas and 1 mi sw of Thoms Creek. In a meadow. 1524 Comment
  CAS-BOT-BC498689  Ranunculus glaberrimus Mrs. R. M. Austin 1894-4-1 s.n. Modoc Unspecified Comment
  UC13929  Ranunculus glaberrimus Mrs. R. M. Austin April, 1894 Modoc Comment
  CAS-BOT-BC217201  Ranunculus glaberrimus var. glaberrimus Leland S. Smith 1918-3-21 915 Modoc Juniper Flats near Alturas. 1524 Comment
  CAS-BOT-BC217205  Ranunculus glaberrimus var. glaberrimus Leland S. Smith 1919-4-20 1078 Modoc Sagebrush flats W of Alturas. 1371 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
  CAS-BOT-BC217176  Ranunculus occidentalis John H. Hatton 1911-6-10 23 Modoc Modoc County. 1524 Comment
  UC480884  Ranunculus occidentalis W. P. Taylor and H. C. Bryant 1910-6-11 Modoc S. Fork Pitt R. Warner Mountains, Alturas 1402 Comment
  CAS-BOT-BC217214  Ranunculus occidentalis var. occidentalis Margaret J. Williams 1984-6-30 84- 80 -8 Modoc 6.8 mi. W of Cedarville-Gerlach road. 1981 Comment
  CAS-BOT-BC217182  Ranunculus occidentalis var. ultramontanus Alice Eastwood; John Thomas Howell 1940-6-12 8034 Modoc Likely. Comment
  CAS-BOT-BC217187  Ranunculus orthorhynchus var. orthorhynchus Bruce Bartholomew 1992-5-17 6342 Modoc S side of White Horse Flat Reservoir in the vicinity of McArthur Cow Camp. 1390 Comment
  UC72750  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker Modoc Forestdale Comment
  UC1191470  Ranunculus sceleratus Herbert L. Mason and Verne Grant 1947-7-12 13430 Modoc s loop of w side road Likely Comment
  CDA24350  Ranunculus sceleratus var. multifidus T. C. Fuller 1979-6-5 20266 Modoc R. A. Byrne property, north side of Highway 108, 10 km northeast of Tulelake. 0 Comment
  CAS-BOT-BC217198  Ranunculus sceleratus var. multifidus R. M. Austin 1894-1-1 Modoc Fletcher Creek. 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
  CAS-BOT-BC217165  Ranunculus uncinatus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 27 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  JEPS60663  Ranunculus uncinatus Frances D. Payne 1931-6-22 236 Modoc s and e Alturas (creek is a tributary of Parker Creek); Warner Mountains, Dry Creek 1828 Comment
  UC420725  Rhamnus rubra Franklin P. Nutting 1920-8-1 Modoc Big Valley Mts. Comment
  SEINET13946370 Image available Rhamnus rubra E. K. Balls, P. C. Everett 1952-1 18156 Modoc .3 mi SE of crest of Fandango Pass, Warner Mts., Alt. 6000 ft. Comment
  CAS-BOT-BC95604  Rhodiola rosea subsp. integrifolia Annie Montague Alexander; L. Kellogg 1946-7-29 5085 Modoc Head of Eagle Creek, Warner Mts. Comment
  CAS-BOT-BC21490  Rhus aromatica Bruce Bartholomew; Barrett Anderson 1989-4-27 4622 Modoc Little Hot Spring Valley, 2.9 km NW of Day. 1080 Comment
  CAS-BOT-BC225856  Ribes aureum John H. Hatton 1911-6-13 85 Modoc unspecified 1371 Comment
  CAS-BOT-BC225859  Ribes aureum Bruce Bartholomew; Barrett Anderson 1989-4-29 4703 Modoc Sand Creek, E side of Surprise Valley, ca. 10 km E of Cedarville. 1400 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
  RSA520433  Ribes aureum Bruce Bartholomew, M. Bourell 1990-4-26 5163 Modoc Vicinity of Ostrom Point, N side of Pit River 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  RSA59530  Ribes aureum E. K. Balls 1950-5-20 14809 Modoc 2.1 mi. above South Fork Public Camp along South Fork Pit River. 1463 Comment
  CAS-BOT-BC225873  Ribes cereum Isabelo T. Kelly 1930-1-1 1 Modoc Near Cedarville, Surprise Valley. 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
  NY454991  Ribes cereum K. Paulson 1989-6-14 135 Modoc Ca. 1.5 miles northeast of Cedar Pass, Warner Mountains 1905.0 Comment
  NY454996  Ribes cereum B. M. Bartholomew 1988-6-24 4297 Modoc Road beyond Poison Lake ca. 8 km. south of the road from US Highway 395 to Lily Lake, Warner Mountains 2130 Comment
  RSA101498  Ribes cereum R. Weatherby 1955-7-7 1606 Modoc 7 mi. north of Ft. Bidwell. 1890 Comment
  RSA59735  Ribes cereum E. K. Balls 1950-5-20 14797 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  UC711874  Ribes cereum Roxana S. Ferris and Laura Lorraine 1941-8-13 10538 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 Comment
  UC79634  Ribes cereum Mrs. R. M. Austin June, 1894 217 Modoc hills near Willow Creek Comment
  SEINET13942374 Image available Ribes cereum Blanche Clear 1945-1 Modoc Capt. Jack's Stronghold Comment
  JEPS43509  Ribes montigenum Frances D. Payne 1929-7-7 49 Modoc 2 mi sw Mt. Warren; Warner Mts., Pine Creek Basin 2133 Comment
  NY455305  Ribes montigenum B. M. Bartholomew 1990-6-16 5261 Modoc West side of Pine Creek Basin, Warner Mountains 2200 Comment
  UC75472  Ribes roezlii var. roezlii Milo S. Baker 1893-1 Modoc Forestdale. Comment
  CAS-BOT-BC225913  Ribes velutinum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 139 Modoc Hills above Parker Creek at Modoc Nat. Forest. Comment
  JEPS49260  Ribes velutinum Franklin P. Nutting 1894-6-10 Modoc Forestdale Comment
  UC570956  Ribes velutinum F. H. Frost 1925-7-24 114 Modoc Jess Valley Warner Mts. Comment
  UC75448  Ribes velutinum Milo S. Baker 1893-1 Modoc Egg Lake Comment
  CAS-BOT-BC225932  Ribes viscosissimum Bruce Bartholomew 1989-8-12 5119 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  CAS-BOT-BC225940  Ribes viscosissimum Bruce Bartholomew 1994-5-28 6720 Modoc Between Cold Spring and Cottonwood Flat, W side of Warner Mts. 1880 Comment
  CAS-BOT-BC225946  Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC225949  Ribes viscosissimum K. Paulson; Robert Paulson 1989-6-21 145 Modoc Pine Creek Basin, W side of the Warner Mts. 2109 Comment
  HSC29862  Ribes viscosissimum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19439 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  SBBG27540  Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 mi NE of Alturas 1615 Comment
  SEINET182274 Image available Ribes viscosissimum L. C. Wheeler 1935-8-14 3850 Modoc Warner Mountains; Lily Lake Pine Creek 2073 Comment
  UC90670  Rigiopappus leptocladus Mrs. R. M. Austin Modoc Lost River Canyon Comment
  JEPS53829  Rorippa W. L. Jepson 1918-8-12 7956 Modoc Jess Valley 1584 Comment
  CAS-BOT-BC58408  Rorippa austriaca M. K. Bellue 1933-6-1 Modoc Alturas. Comment
  CDA13466  Rorippa austriaca G. F. Hrusa, T. D. Wilfred 1996-7-21 13313 Modoc Modoc Plateau; Above Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CDA37893  Rorippa austriaca J. L. Johnson 1973-1 s.n. Modoc 0 Comment
  CAS-BOT-BC58413  Rorippa curvisiliqua John Thomas Howell 1934-6-30 12296 Modoc Duncan Horse Camp. 1355 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
  RSA322273  Rorippa curvisiliqua R. C. Rollins, Kathryn W. Rollins, David Gates, JoRita Gates, Aileen G. Roads 1983-7-6 83229 Modoc Above Widow Valley, ca. 3 miles E of day. Comment
  RSA0042938  Rorippa curvisiliqua Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39111 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  UC10732  Rorippa curvisiliqua M. S. Baker and Frank Nutting 1894-6-6 Modoc Little Hot Spring Valley Comment
  UC1601428  Rorippa curvisiliqua Franklin P. Nutting Modoc Little Hot Spring Valley Comment
  CHSC106351  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2010-8-30 17074 Modoc About 10 yards west of the fence, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS127165  Rorippa curvisiliqua var. orientalis Lowell Ahart, John Dittes 2016-7-14 21163 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  CAS-BOT-BC95039  Rorippa palustris var. hispida John Thomas Howell 1934-6-15 12187 Modoc Alturas. Comment
  CAS-BOT-BC218253  Rosa woodsii var. ultramontana Fred. P. Cronemiller 1919-6-14 26 Modoc Deep Creek. 1524 Comment
  CAS-BOT-BC218265  Rosa woodsii var. ultramontana Verne Grant; I. Schneider 1947-7-18 8045 Modoc Eastside Canall, 5 mi. N of Bayley's bridge, S of Alturas. Comment
  RSA0113966  Rosa woodsii var. ultramontana Lowell A. Ahart, John Dittes 2008-8-26 15348 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2,660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1277 Comment
  UC71703  Rosa woodsii var. ultramontana Mrs. M. H. Manning 1903-10-4 49 Modoc Surprise Valley Comment
  HSC80700  Rubus parviflorus G. M. Riegel 1980-7-15 892 Modoc South Warner Mtns. 1670 Comment
  POM104790  Rumex acetosella R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  HSC17597  Rumex crispus M. T. Milligan 1964-7-1 105 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  CAS-BOT-BC211302  Rumex lacustris Herbert Louis Mason; Verne Grant 1947-7-10 13336 Modoc Dorris Reservoir, 2 mi E of Alturas. Comment
  CAS-BOT-BC211345  Rumex lacustris Elmer Ivan Applegate 1936-5-12 10294 Modoc Lava Bed National Monument, W side of Petroglyph Butte. Comment
  JEPS17728  Rumex maritimus Rimo Bacigalupi with G. T. Robbins 1955-7-20 5390 Modoc 4 mi s Cedarville (on w edge of Surprise Valley); Surprise Valley 1463 Comment
  CAS-BOT-BC211307  Rumex occidentalis L. A. M. Black 1894-9-1 63 Modoc Davis Creek. Comment
  HSC81008  Rumex salicifolius G. M. Riegel 1978-8-11 668 Modoc S Warner Mtns. 2100 Comment
  UC1101215  Rumex salicifolius var. lacustris Verne Grant and Irving Schneider 1947-8-27 8328 Modoc s end Clear Lake Comment
  UC1101220  Rumex salicifolius var. lacustris Herbert L. Mason 1947-8-15 13556 Modoc e of Goose Lake (on Willow Ranch); Mouth of Crane Creek Comment
  CHSC106326  Rumex salicifolius var. triangulivalvis Lowell Ahart; John Dittes 2010-8-31 17117 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1274 Comment
  CAS-BOT-BC95282  Sagina saginoides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10630 Modoc East Creek, about 1 mi. E of Patterson Ranger Station. 2164 Comment
  UC567  Sagittaria cuneata Milo S. Baker 1893-7-25 Modoc Egg Lake 1219 Comment
  UC1024330  Sagittaria cuneata Annie M. Alexander and Louise Kellogg 1946-7-6 4915 Modoc East Eagleville Comment
  UC1536807  Sagittaria cuneata Gordon H. True Jr. 1939-6-25 1026 Modoc nw Alturas (Boles Meadow); Boles Meadow Comment
  UC71708  Sagittaria cuneata Mrs. M. H. Manning 1903-8-24 318 Modoc Sessions Swamps Comment
  POM313044  Sagittaria latifolia H. L. Mason 1947-7-12 13413 Modoc Irrigation ditch near S end of road on west side of the Pit River Valley. Comment
  CAS-BOT-BC225118  Salix boothii Belknap C. Goldsmith 1910-8-11 19 Modoc Summit of Warner Mts, near Oregon-California line. 2194 Comment
  POM184886  Salix boothii Frances D. Payne 1932-7-21 728 -a Modoc Marsh S of Mosquito Lake. E side of Mt. Warren (Buck Mt). Warner Mtns. E of Alturas. Comment
  JEPS14855  Salix eastwoodiae Frances D. Payne 1931-7-8 277 Modoc Pine Creek Basin; Warner Mts. 2316 Comment
  UC481863  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481866  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225769  Salix exigua Belknap C. Goldsmith 1911-5-28 28 Modoc County road, near Goose Lake. 1493 Comment
  CAS-BOT-BC225771  Salix exigua Francis Dorris Payne 1931-6-10 139 Modoc Parker Creek, Warner Mountains 1560 Comment
  CAS-BOT-BC225775  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas, SW end of town. 1360 Comment
  JEPS14860  Salix exigua Frances D. Payne 1931-6-10 139 Modoc Parker Creek Warner Mts. 1584 Comment
  NY187447  Salix exigua N. F. Bracelin 1931-6-30 501 Modoc Alturas 1360 Comment
  SBBG28795  Salix exigua Mrs. H. P. Bracelin 1931-6-30 488 Modoc Parker Crk, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  SJSU249  Salix exigua Mrs. H. P. Bracelin & Miss F. D. Payne 1931-6-30 Modoc Parker Cr, 20 km E of Alturas, S of Payne Ranch 1524 Comment
  UC481950  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 488 Modoc 20 km e Alturas (Parker Creek, meadow s of Payne Ranch house) 1560 Comment
  RSA0030831  Salix exigua H. P. Bracelin, Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km. east of Alturas. 1560 Comment
  RSA0030856  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas. 1360 Comment
  CAS-BOT-BC229691  Salix lasiandra subsp. caudata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 188 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  UC481841  Salix lasiolepis Frances D. Payne 1931-6-10 136 Modoc Warner Mts., Parker Creek 1560 Comment
  UC481929  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby (0.1 mi. s. of Rush Creek Service Station, some distance from Rush Creek) 1350 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
  CAS-BOT-BC229674  Salix lasiolepis var. lasiolepis Louis Cutter Wheeler 1935-8-3 3771 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC229668  Salix lemmonii H. P. Bracelin 1934-6-14 823 Modoc On Patterson Mill Road, near crossroads to Silver Lake (Lost Lake), Warner Mts. 2133 Comment
  CAS-BOT-BC229695  Salix lemmonii Annie Montague Alexander; L. Kellogg 1946-6-26 4840 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  CAS-BOT-BC229700  Salix lemmonii Louis Cutter Wheeler 1935-8-3 3770 Modoc Pine Creek, Warner Mts. 1554 Comment
  LA208883  Salix lemmonii Frances D. Payne; August 1934 778 Modoc Warner Mountains, Pine Creek Basin 2316 Comment
  NY187862  Salix lemmonii L. C. Wheeler 1935-8-3 3760 Modoc Pine Creek, Warner Mts. 1737.4 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
  RSA59371  Salix lemmonii E. K. Balls 1950-5-11 14622 Modoc 4 miles S of Fort Bidwell. W of Upper Lake. 1402 Comment
  UC481852  Salix lemmonii Frances D. Payne 1931-6-25 279 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481859  Salix lemmonii Frances D. Payne 1931-7-7 334 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  RSA504663  Salix lucida subsp. lasiandra Bruce Bartholomew, B. Anderson 1988-7-22 4548 Modoc N side of the S Fork of Davis Creek. Warner Mtns. 2100 Comment
  RSA59738  Salix lucida subsp. lasiandra E. K. Balls 1950-5-20 14794 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  UC481793  Salix lutea Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 499 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch, Parker Creek); Parker Creek 1560 Comment
  UC481796  Salix lutea Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 499 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC229833  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC229844  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  UC1280874  Salix scouleriana H. E. McMinn 1931-5-23 2468 Modoc Warner Mt. Comment
  UC481854  Salix scouleriana Frances D. Payne 1931-6-22 293 Modoc e. slope Mt. Warren (spring on s. slope of ravine of Owl Creek); , Owl Creek 2400 Comment
Read comments
Mar 23 2012
  POM362919  Salix scouleriana H. E. McMinn 1931-5-23 2474 Modoc [Unspecified] Comment
  RSA0025571  Salix scouleriana John F. Emmel 1996-7-16 1442 Modoc Warner Mtns., west slope; Pine Creek Canyon, 3.4 road mi east of Hwy 395. 1634 Comment
  RSA446306  Salvia dorrii var. pilosa Christopher Davidson 1975-6-4 2607 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  CAS-BOT-BC238784  Sambucus nigra subsp. caerulea Mrs. C. C. Bruce 1894-7-1 57 Modoc Davis Creek Comment
  HSC3960  Sambucus nigra subsp. caerulea M. T. Milligan 1966-7-1 516 Modoc Slopes and ridges E of Jess Valley. 1585 Comment
  UC719796  Sanguisorba annua Rogers McVaugh 1941-8-5 6248 Modoc 8.5 mi w Cedarville (w slope of Warner Mts.); w slope of Warner Mts. Comment
  JEPS46338  Sanguisorba annua Frances D. Payne 1931-6-18 199 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  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
  RSA424426  Sanguisorba annua Margaret J. Williams 1983-9-13 83- 151 -1 Modoc Road from Alturas to Cedarville. 3.8 miles W of Cedar Pass. 6.7 miles from jct of Hwy 299 and Cedarville Road. 1555 Comment
  UC1191507  Sanguisorba annua Herbert L. Mason and Verne Grant 1947-7-13 13443 Modoc Joseph Creek on Hwy 395 n of Davis Creek (e side Goose Lake) (near roadside); e side Goose Lake, Joseph Creek Comment
  CHSC70461  Sanicula graveolens A. Sanger 1997-5-20 2471 Modoc Found along the Juniper line above a low sage flat to the southeast of Whitney Res. West of where the eastern road to the Res. deadends. 1432 Comment
  JEPS1007  Sanicula graveolens M. S. Baker and Franklin P. Nutting 1894-6-15 Modoc Forestdale Comment
  UC21345  Sanicula graveolens M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  RSA540077  Sanicula graveolens Bruce Bartholomew, Anderson 1989-6-2 4840 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC95563  Sarcobatus vermiculatus Belknap C. Goldsmith 1911-1-1 Modoc Buck Mt. Ranger Station, Fandango Valley. Comment
  CAS-BOT-BC95566  Sarcobatus vermiculatus Belknap C. Goldsmith 1911-7-28 38 Modoc Pitt River, Alturas. 1280 Comment
  UC465482  Sarcobatus vermiculatus Belknap C. Goldsmith 1911-7-28 Modoc near Pitt R. Alturas; Modoc Forest Comment
  UC748213  Saxifraga aprica Annie M. Alexander and Louise Kellogg 1946-6-30 4879 Modoc n end of Warner Mountains (Highgrade); , Highgrade 2377 Comment
  UC1567388  Saxifraga cespitosa Gary Schoolcraft and Rick York 1989-7-16 1968 Modoc s of Patterson Lake; Warner Mountains, Eagle Lake Area 2804 Comment
  UC1100766  Schoenoplectus acutus var. acutus Herbert L. Mason 1947-8-11 13489 Modoc on Highway 81 w margin Lower Lake (near boundary between Lassen and Modoc counties); w Margin Lower Lake Comment
  UCR67015  Schoenoplectus acutus var. occidentalis George K. Helmkamp 1990-9-23 J- 8 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CAS-BOT-BC245129  Schoenoplectus americanus Herbert Louis Mason 1947-8-11 13491 Modoc Hwy 81, W margin of Lower Lake, near boundary with Lassen County. Comment
  UCR67030  Schoenoplectus pungens var. longispicatus George K. Helmkamp 1990-9-23 J- 9 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  JEPS114910  Scirpus microcarpus Lowell Ahart, John Dittes 2008-8-26 15354 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  JEPS119848  Scirpus microcarpus Lowell Ahart, John Dittes 2012-7-12 18365 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  POM186204  Scirpus microcarpus Milo S. Baker s.n. Modoc [no location specified] Comment
  RSA210794  Scirpus nevadensis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39078 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  RSA531331  Scirpus nevadensis Bruce Bartholomew, B. Anderson 1990-7-20 5449 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 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
  UCD124809  Scrophularia lanceolata Verne Grant; Irving Schneider 1947-7-20 8105 Modoc North fork of Pit River, Alturas. Comment
  CAS-BOT-BC179222  Scutellaria nana John Thomas Howell 1934-7-3 12374 Modoc 5 mi. S of Hackamore. Comment
  CAS-BOT-BC179227  Scutellaria nana B. Bartholomew; Barrett Anderson 1988-6-25 4388 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 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
  CAS-BOT-BC95610  Sedum lanceolatum M. Vasey 1990-6-28 9010 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail. On Cole Peak side of pass. 2590 Comment
  CHSC109200  Sedum lanceolatum L. P. Janeway; B. Castro 2012-7-24 10964 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-BC95617  Sedum stenopetalum subsp. stenopetalum John Thomas Howell 1934-6-11 11980 Modoc Parker Creek, Warner Mts. 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
  RSA164402  Sedum stenopetalum subsp. stenopetalum Clare B. Hardham 1961-6-18 7558 Modoc East of Cedar Pass. 1829 Comment
  CAS-BOT-BC50334  Senecio aronicoides Bruce Bartholomew 1993-6-12 6584 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC50343  Senecio aronicoides Bruce Bartholomew; Barrett Anderson 1989-4-30 4720 Modoc 4.2 km W of State Highway 299 along the N side of the Pit River W of Canby Bridge. 1320 Comment
  HSC28825  Senecio aronicoides D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19337 Modoc Soup Springs Campground Comment
  RSA0012438  Senecio aronicoides Bruce Bartholomew 1992-5-14 6277 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  POM229880  Senecio canus L. C. Wheeler 1935-8-4 3778 Modoc Dry Lake, Pine Creek, Warner Mountains. 2104 Comment
  UCR34707  Senecio fremontii J. A. Harpel 1981-8-6 V 29 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  SD64362  Senecio hydrophilus Darley F. Howe 1966-8-26 4307 Modoc West side of Lower Lake, 1.3 miles north of Lassen-Modoc County Line. 1340 Comment
  UC71605  Senecio hydrophilus Mrs. M. H. Manning 1903-8-25 325 Modoc Sessions Swamp Sessions Swamp (north-eastern Modoc County) Comment
  CAS-BOT-BC50257  Senecio integerrimus var. exaltatus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 43 Modoc Parker Creek, at Modoc National Forest boundary Comment
  CAS-BOT-BC50292  Senecio integerrimus var. exaltatus Elmer Ivan Applegate 1932-7-9 7585 Modoc N slope of Bidwell Mountain, Warner Mountains Comment
  CHSC70469  Senecio integerrimus var. exaltatus S. Stearns 1997-5-13 2247 Modoc S. of County Road 81, near small drainage perpendicular to Rd. 1566 Comment
  JEPS29207  Senecio integerrimus var. exaltatus Lauramay T. Dempster 1961-6-18 1688 Modoc peak just s Cedar Pass Comment
  CHSC67087  Senecio integerrimus var. major James D. Jokerst 1987-5-11 2821 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  HSC67882  Senecio serra J. P. Smith, J. O. Sawyer 1973-8-8 7253 Modoc Just N of Patterson Guard Station along Summit Trail 2195 Comment
  CAS-BOT-BC50268  Senecio serra var. serra Bruce Bartholomew 1989-8-12 5109 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains. 2040 Comment
  CAS-BOT-BC50275  Senecio triangularis Bruce Bartholomew 1989-8-11 5064 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  RSA0011804  Shepherdia argentea Elmer I. Applegate 1932-7-6 8189 Modoc Between Eagleville and Cedarville. Surprise Valley. Comment
  CAS-BOT-BC225037  Sibbaldia procumbens Annie Montague Alexander; L. Kellogg 1946-6-27 4853 Modoc Highgrade, (top of ridge, 2 mi. by road from Dismal Swamp) N end of Warner Mts. 2377 Comment
  NY53361  Sidalcea oregana K. Paulson 1989-7-18 196 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1914.1 Comment
  SD46594  Sidalcea oregana Robert J. Weatherby 1955-7-8 1625 Modoc 6.0 miles north of Ft. Bidwell, northern Warner Mountains. 1737 Comment
  CAS-BOT-BC179074  Sidalcea oregana subsp. oregana Annie Montague Alexander; L. Kellogg 1946-7-7 4924 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC179091  Sidalcea oregana subsp. oregana Bruce Bartholomew 1995-8-1 7139 Modoc 14.8 km N of turn off to Cedarville on U.S. Hwy 395 and 8 km S of Davis Creek. 1450 Comment
  JEPS67255  Sidalcea oregana subsp. oregana Frances D. Payne 1931-6-17 165 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  UC1075760  Sidalcea oregana subsp. oregana Robert J. Weatherby 1955-7-8 1625 Modoc 6 mi n Ft. Bidwell (northern Warner Mts.); , n of Ft. Bidwell 1737 Comment
  CAS-BOT-BC179068  Sidalcea oregana subsp. oregana Fred. P. Cronemiller 1920-6-15 7 Modoc McKenzie Spring. 1341 Comment
  CAS-BOT-BC179095  Sidalcea oregana subsp. oregana Leland S. Smith 1392 Modoc Modoc County. Comment
  UC18887  Sidalcea oregana subsp. oregana Milo S. Baker Jul 11 1893-Jan 1 1900 Modoc Comment
  CAS-BOT-BC179052  Sidalcea oregana subsp. spicata Bruce Bartholomew; Barrett Anderson 1988-7-21 4423 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC498759  Silene L. S. Smith 1924-6-29 1447 Modoc Modoc Forest, Lava R.S. Comment
  JEPS50878  Silene douglasii Frances D. Payne 1933-8-6 775 Modoc 2 mi sw Warren Mt. (southwestern Modoc County); Pine Creek Basin, sw of Warren Mt. 2316 Comment
  CAS-BOT-BC248373  Silene douglasii var. douglasii B. Bartholomew; H. Sun 2002-6-24 8864 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  CAS-BOT-BC95251  Silene douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-8-9 5128 Modoc Patterson Lake Trail, Warner Mts. Comment
  UC8471  Silene lemmonii Milo S. Baker 1893-6-22 Modoc Comment
  CAS-BOT-BC95259  Silene nuda Leland S. Smith 1922-8-1 1321 Modoc Dutch Flat field. 1371 Comment
  JEPS121196  Silene nuda Lowell Ahart, John Dittes 2013-7-25 18954 Modoc About 30 yards S of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  UC711806  Silene occidentalis subsp. occidentalis Roxana S. Ferris and Laura Lorraine 1941-8-14 10577 Modoc on road to Eagleville three mi from Patterson Ranger Station (Warner Mountains); Modoc National Forest, Warner Mountains Comment
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Sep 9 2015
  CAS-BOT-BC95274  Silene oregana Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10577 Modoc 3 miles from Patterson Ranger Station on road to Eagleville, Warner Mts. Comment
  JEPS64289  Sisyrinchium halophilum Frances D. Payne 1931-6-12 156 Modoc e of Alturas (Parker Creek); Warner Mountains 1584 Comment
  UC71554  Sium suave Mrs. M. H. Manning 1903-7-1 461 Modoc Mill Canyon, Bidwell Creek, in north-eastern Modoc County Bidwell Creek; Mill Canyon, Bidwell Creek 1828 Comment
  CDA34290  Solanum dulcamara L. Ahart, J. Dittes 2010-8-31 17095 Modoc On the south side of Ash Creek, 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, and about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC245432  Solanum physalifolium var. nitidibaccatum Francis Dorris Payne 1932-7-18 712 Modoc Parker Creek. 1584 Comment
  RSA0020577  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1935-9-22 3994 Modoc 3 mi W of Alturas 1357 Comment
  HSC65391  Solanum triflorum Thomas Wood 1979-8-8 222 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  JEPS12115  Solanum triflorum Frank W. Peirson 1926-6-25 6878 Modoc Warner Mountains, Cedarville Road, 1 1/2 mi e of summit Cedarville Road; Warner Mountains, Cedarville Road Comment
  UC570688  Solanum triflorum F. H. Frost 1925-7-20 92 Modoc 2 mi above Cedarville (Cedar Camp); Warner Mountains, Cedar Camp Comment
  POM213135  Solanum triflorum Carl B. Wolf 1931-9-5 2399 Modoc Roadside, on grade from Lake City-Fort Bidwell Road - to Davis Creek. (3 miles above east base) Warner Mtns. 1677 Comment
  RSA2865  Solanum triflorum Carl B. Wolf 1931-9-5 2399 Modoc Roadside, on grade from Lake City-Fort Bidwell Road - to Davis Creek. (3 miles above east base) Warner Mtns. 1677 Comment
  SBBG28930  Solanum triflorum F. W. Peirson 1926-6-25 6878 Modoc 0.2 mi E of summit, near Ranch, Cedarville Rd Comment
  POM42201  Solidago canadensis subsp. elongata Mrs. R. M. Austin 573 Modoc Alturas Comment
  UC1999882  Solidago elongata J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-11 9296 Modoc NE of Alturas, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  UC1192251  Solidago spectabilis Herbert L. Mason 1947-8-11 13497 Modoc On Highway 81, west margin of Lower Lake, near boundary, between Lassen and Modoc counties. Comment
  CAS-BOT-BC54284  Solidago velutina subsp. californica Bruce Bartholomew 1989-8-10 5046 Modoc 8.7 km E of Day on County Road 94. Comment
  CAS-BOT-BC158917  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
  POM332462  Sparganium angustifolium subsp. emersum J. P. Smith, J. O. Sawyer 1973-8-9 7269 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  JEPS32229  Sparganium emersum var. emersum W. L. Jepson 1918-8-12 7949 Modoc Jess Valley 1584 Comment
  UC1587093  Spartina gracilis G. Schoolcraft 1991-7-24 2186 Modoc ne of Middle Alkali Lake (Leonard Hot Spring); Leonard Hot Spring 1386 Comment
  CAS-BOT-BC54295  Sphaeromeria potentilloides var. potentilloides C. C. (Mrs.) Bruce 1897-8-1 2183 Modoc Goose Lake. Comment
  UC13092  Spiraea douglasii Milo S. Baker 1893-7-12 Modoc Comment
  RSA233789  Spirodela polyrhiza Robert F. Thorne, C. W. Tilforth 1969-9-5 39148 Modoc North of South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 mi. E of Likely. 1402 Comment
  CAS-BOT-BC252544  Sporobolus Leland S. Smith 1918-9-20 1061 Modoc Surprise Valley. 1524 Comment
  SEINET11587958  Stachys ajugoides Unknown 2016-8-16 12 -14 Modoc lookout Comment
  UC635183  Stachys palustris subsp. pilosa F. H. Frost 1925-7-24 104 Modoc Jess Valley Warner Mts. Comment
  SD46731  Stellaria calycantha Robert J. Weatherby 1955-7-8 1618 Modoc Between rocks at edge of creek. 7 miles north of Fr. Bidwell, Warner Mts. 1874 Comment
  CAS-BOT-BC95296  Stellaria longipes var. longipes M. M. Hanna 1956-6-7 1020 Modoc Hwy 139, between Canby and Tienesta. Comment
  CAS-BOT-BC95300  Stellaria obtusa Francis Dorris Payne 1932-7-14 682 Modoc Parker Creek Canyon. 1706 Comment
  UC830493  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles northeast of Alturas. 1615 Comment
  CAS-BOT-BC54258  Stenotus stenophyllus Bruce Bartholomew; Barrett Anderson 1988-5-13 4150 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  CAS-BOT-BC54260  Stenotus stenophyllus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6440 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  CAS-BOT-BC54267  Stephanomeria spinosa Bruce Bartholomew; Barrett Anderson 1990-7-21 5566 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CDA14601  Stephanomeria spinosa G. D. Barbe 1991-8-27 4441 Modoc Warner Mountains; East of Bald Mountain, Modoc National Forest. 2316 Comment
  RSA531364  Stephanomeria spinosa Bruce Bartholomew, B. Anderson 1990-7-21 5566 Modoc N Barber Creek, road to Surprise Valley to Patterson Ranger Station, E side of Warner Mtns. 1710 Comment
  CAS-BOT-BC54272  Stephanomeria tenuifolia Annie Montague Alexander; L. Kellogg 1946-7-5 4908 Modoc Lava Cliff west Lower Lake. Comment
  JEPS6019  Stephanomeria tenuifolia Frances D. Payne 1932-7-25 749 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  HSC80824  Stipa occidentalis var. occidentalis G. M. Riegel 1980-7-15 884 Modoc South Warner Mtns. 1829 Comment
  NY188818  Streptanthella longirostris R. C. Barneby 1982-5-27 17845 Modoc 3 miles E of Eagleville. Comment
  HSC81068  Streptanthus cordatus G. M. Riegel 1980-8-14 1059 Modoc S Warner Mtns. 1739 Comment
  UC1736581  Streptanthus cordatus Dean Wm. Taylor with Glenn Clifton 1990-6-25 11162 Modoc Cedar Pass 2148 Comment
  RSA0025578  Streptanthus cordatus John F. Emmel 1996-7-15 1428 Modoc Warner Mtns: above northwest end of Homestead Flat, 2.0 air mi south and 0.5-0.7 air mi west of Emerson Peak. 2302 Comment
  UC1492722  Streptanthus cordatus Freed W. Hoffman 1955-7-14 4064 Modoc s side of road on roadcut 6 mi e junction of highways 395 and 8A; Modoc National Forest 1524 Comment
  CAS-BOT-BC242258  Stuckenia pectinata Bruce Bartholomew 1989-8-10 5029 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC242262  Stuckenia striata Robert Folger Thorne; et al 1969-9-4 39084 Modoc E shore of Goose Lake at Willow Ranch. 1432 Comment
  JEPS90830  Suaeda calceoliformis Dean W. Taylor 1989-8-4 10434 Modoc 2.5 mi e of Eagleville (between Middle Lake and Lower Lake, Modoc Plateau, Surprise Valley); Modoc Plateau, Surprise Valley 1341 Comment
  CAS-BOT-BC180101  Swertia albicaulis var. albicaulis John Thomas Howell 1934-6-30 12294 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC180105  Swertia albicaulis var. albicaulis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16499 Modoc Junction of road to Tieneste with Hwy 139. Comment
  RSA0025569  Symphoricarpos John F. Emmel 1996-7-16 1440 Modoc Foothills NNE of N end Surprise Valley, W of Cowhead Lake; along County Road 1, ca. 8.5 road mi NE of jct. with County Road 6 at Ft. Bidwell. 1659 Comment
  UCD137455  Symphoricarpos rotundifolius Herbert L. Mason 1948-7-18 13619 Modoc Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC95195  Symphoricarpos rotundifolius var. rotundifolius John H. Hatton 1911-6-20 123 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC95203  Symphoricarpos rotundifolius var. rotundifolius Robert Patterson; Mona Bourell 1993-8-15 5251 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UC711852  Symphoricarpos rotundifolius var. rotundifolius Roxana S. Ferris and Laura Lorraine 1941-8-13 10537 Modoc Patterson Ranger Station Warner Mountains, Modoc National Forest (East Creek drainage) 2164 Comment
  JEPS114494  Symphyotrichum ascendens Lowell Ahart, John Dittes 2008-8-25 15293 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
  UC75818  Symphyotrichum ascendens Milo S. Baker 1898-8-1 524 Modoc Forestdale Comment
  UC1192202  Symphyotrichum bracteolatum Verne Grant and Irving Schneider 1947-7-22 8156 Modoc 1 mi nw, at headwaters N Fk of Pit R., on dirt rd leading to s end Goose Lake Highway 395; North Fork Pit River Comment
  CAS-BOT-BC15155  Symphyotrichum foliaceum var. parryi Bruce Bartholomew; Barrett Anderson 1988-7-22 4541 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  JEPS40838  Symphyotrichum spathulatum L. S. Smith 1918-7-15 999 Modoc Mill Creek Corral Modoc Forest 2087 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
  UC1192203  Symphyotrichum spathulatum Verne Grant and Irving Schneider 1947-8-28 8335 Modoc nw of, (Jack Swamp) Alturas; Jack Swamp Comment
  CAS-BOT-BC15170  Symphyotrichum spathulatum var. spathulatum Annie Montague Alexander; L. Kellogg 1946-7-17 5010 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC232358  Synthyris missurica Annie Montague Alexander; L. Kellogg 1946-6-28 4857 Modoc Pine Creek Canyon. Comment
  CAS-BOT-BC232362  Synthyris missurica Bruce Bartholomew; Barrett Anderson 1988-6-24 4306 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  SBBG7212  Synthyris missurica H. and M. Dearing 1939-6-8 3607 Modoc Lily Lake, Warner Mtns 2133 Comment
  POM228872  Synthyris missurica Louis C. Wheeler 1935-8-5 3788 Modoc Consolidated Mine, Pine Creek, Warner Mountains 2287 Comment
  SEINET13750737  Synthyris missurica M. J. Williams 1984-6-29 84- 72 -4 Modoc Cave Lake, west side of the Warner Mountains. 2134 Comment
  UCD86103  Taeniatherum caput-medusae Beecher Crampton; with Carl W. Rimbey 1954-7-6 2089 Modoc Porter Ranch, 8 miles east of Alturas. 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
  JEPS31731  Taraxia tanacetifolia L. S. Smith 1918-5-16 926 Modoc w of Alturas (Centerville Road); Modoc Forest 1524 Comment
  UC1035975  Taraxia tanacetifolia Helen K. Sharsmith 1955-6-26 4508 B Modoc adjacent to Hwy 39 ca 20 mi n Canby; Modoc National Forest 1524 Comment
  CAS-BOT-BC54230  Tetradymia canescens E. S. Willits 1939-10-10 159 Modoc Surprise Valley. Comment
  UCD136818  Tetradymia canescens J. M. Tucker 1950-7-25 1970 Modoc Beside highway 139, 26.4 miles southeast of Tule Lake. Comment
  UC449665  Tetradymia canescens M. F. Gilman 618 Modoc mountains 1981 Comment
  CAS-BOT-BC217170  Thalictrum fendleri Annie Montague Alexander; L. Kellogg 1946-7-2 4895 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  JEPS86338  Thalictrum fendleri Jack and Betty Guggolz 1988-6-28 955 Modoc w Jenkins Spring Comment
  RSA504633  Thalictrum fendleri Bruce Bartholomew 1988-6-24 4319 Modoc Lily Lake, W side of the Warner Mtns. 2130 Comment
  HSC1958  Thalictrum sparsiflorum M. T. Milligan 1966-7-27 588 Modoc E of Jess Valley 1646 Comment
  CAS-BOT-BC95073  Thelypodium flexuosum Bruce Bartholomew 1993-6-13 6633 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC95076  Thelypodium milleflorum Bruce Bartholomew 1993-6-13 6632 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC181796  Thermopsis californica var. argentata Bruce Bartholomew; Mona Bourell 1990-4-26 5160 Modoc 1.1 km NW of Day. 1080 Comment
  CAS-BOT-BC181799  Thermopsis californica var. argentata Milo Samuel Baker; Franklin P. Nutting 1894-6-1 s.n. Modoc Forestdale. Comment
  CAS-BOT-BC181802  Thermopsis californica var. argentata John H. Hatton 1911-6-15 110 Modoc Modoc County. 1219 Comment
  HSC28502  Thermopsis californica var. argentata D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19491 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  RSA104147  Thermopsis californica var. argentata Milo S. Baker 1894-06 s.n. Modoc Forestdale Comment
  RSA520432  Thermopsis californica var. argentata Bruce Bartholomew, B. Anderson 1990-4-26 5160 Modoc 1.1km NW of Day. 1080 Comment
  UC83211  Thermopsis macrophylla var. argentata M. S. Baker and Frank Nutting June 1894 Modoc Forestdale Comment
  UC1601311  Townsendia scapigera unknown May 1879 Modoc Surprise Valley Comment
  CAS-BOT-BC54248  Tragopogon dubius Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16443 Modoc 11 mi. N of Cedarville, Surprise Valley. Comment
  SDSU3985  Tragopogon dubius D. F. Howe 1964-8-2 3925 Modoc Vacant lot, Alturas. 1219 Comment
  CHSC106208  Tribulus terrestris Lowell Ahart; John Dittes 2010-8-31 17132 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC106336  Tribulus terrestris Lowell Ahart; John Dittes 2010-8-30 17081 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC179197  Trichostema oblongum Bruce Bartholomew 1991-7-6 5987 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC179203  Trichostema oblongum K. Paulson 1978-6-24 Modoc Curtis Water Hole. Comment
  CAS-BOT-BC181790  Trifolium beckwithii E. S. Willits 1940-5-20 277 Modoc Willow Ranch. Comment
  CAS-BOT-BC181778  Trifolium gymnocarpon var. plummerae Bruce Bartholomew 1991-5-24 5741 Modoc Near NW side of Big Mud Lake and 2 km SW of Nevada State boundary. 1680 Comment
  CHSC115595  Trifolium hybridum Lowell Ahart; John Dittes 2015-7-16 20365 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  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
  CAS-BOT-BC181743  Trifolium longipes Bruce Bartholomew 1991-8-5 6043 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CHSC117016  Trifolium longipes subsp. multipedunculatum Lowell Ahart; John Dittes 2016-6-6 20957 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
  JEPS33186  Trifolium longipes subsp. multipedunculatum Frances D. Payne 1931-6-29 290 Modoc Warner Mountains. Head of Cottonwood Creek. East slope of Mt. Warren. 2286 Comment
  RSA101500  Trifolium longipes subsp. multipedunculatum R. Weatherby 1955-7-7 1604 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  JEPS33196  Trifolium longipes var. hansenii L. S. Smith 1917-1 792 Modoc Jess Valley Warner Mtns Comment
  NY717264  Trifolium longipes var. hansenii R. J. Weatherby 1955-7-7 1604 Modoc Red Fir Forest. Dismal Swamp, northern Warner Mountains. 2240 Comment
  UC165532  Trifolium longipes var. hansenii Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC181734  Trifolium macrocephalum Annie Montague Alexander; L. Kellogg 1946-6-26 4837 Modoc Dismal Swamp. 2255 Comment
  RSA520478  Trifolium macrocephalum Bruce Bartholomew, B. Anderson 4650 Modoc 8.8 km N of State Highway 299 on road to Raker and Thomas Reservoir. 1470 Comment
  SD225771  Trifolium macrocephalum Carol Witham, Jennifer Buck 2001-5-10 200 Modoc 5 mi NE along Hwy 139 from its intersection with Hwy 299, south of Hwy 139, Canby site Comment
  CAS-BOT-BC180171  Trifolium microcephalum Bruce Bartholomew 1994-7-1 6754 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  CHSC112762  Trifolium pratense Lowell Ahart; John Dittes 2013-7-24 18941 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
  CHSC115603  Trifolium pratense Lowell Ahart; John Dittes 2015-8-16 20365 B 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
  CAS-BOT-BC181764  Trifolium productum K. Paulson; Robert Paulson 1988-7-9 72 Modoc Dismal Swamp, Warner Mts.. 2286 Comment
  HSC100119  Trifolium repens M. T. Milligan 1966-6-14 457 Modoc N end of Jess Valley 1616 Comment
  SEINET7073590  Trifolium willdenovii A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  UCD109913  Trifolium wormskioldii Beecher Crampton; with Carl Rimbey 1954-7-8 2169 Modoc Warner mountains, 15 miles east of Likely. Floor of Jess Valley. Comment
  UCSC010690  Trifolium wormskioldii R. Morgan 2016-9-13 6850 Modoc Ash Creek Comment
  UC1099957  Triglochin maritima Herbert L. Mason, Verne Grant 1947-7-12 13438 Modoc n Likely (Corporation Ranch Headquarters); , n of Likely Comment
  HSC80825  Trisetum spicatum G. M. Riegel 1980-8-9 1015 Modoc S Warner Mtns. 1829 Comment
  UC1133919  Triteleia hyacinthina R. C. Wilson 1933-6-27 55 Modoc Tom's Creek Canby Quad., Tom's Creek Comment
  RSA152425  Triteleia hyacinthina I. L. Wiggins, Dorothy Wiggins 1961-6-13 16462 Modoc 5 mi W of Fandango Pass, Warner Mtns. 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
  UC421811  Triteleia hyacinthina M. F. Gilman 613 Modoc 1676 Comment
  CAS-BOT-BC252533  Triticum aestivum Leland S. Smith 1920-9-12 1192 Modoc E side of Round Valley. 1432 Comment
  HSC13438  Triticum aestivum M. T. Milligan 1964-7-20 161 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  UC1241778  Typha latifolia Verne Grant and Irving Schneider 1947-7-20 8101 Modoc North Fork of Pitt River by Dorris Bridge near Alturas; North Fork of Pitt River Comment
  SJSU9374  Utricularia macrorhiza W. Savage 1979-7-6 1381 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SJSU9379  Utricularia minor W. Savage 1979-7-6 1382 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD99484  Vaccaria hispanica W. A. Harvey 1954-6-4 s.n. Modoc just north of Lake City, Surprise Valley. 1371 Comment
  CAS-BOT-BC95706  Vaccinium cespitosum Belknap C. Goldsmith 1911-6-15 36 Modoc North Fork Davis Creek. 2011 Comment
  HSC21703  Valeriana californica M. T. Milligan 1965-7-10 432 Modoc W slope of Eagle Peak. 2439 Comment
  JEPS26671  Valeriana californica Lauramay T. Dempster 1961-6-19 1707 Modoc headwaters of South Fork Davis Creek e of Davis Creek (town); South Fork Davis Creek 2286 Comment
  UC748484  Valeriana californica Annie M. Alexander and Louise Kellogg 1946-6-27 4850 Modoc top of ridge 2 mi by road from Dismal Swamp; Warner Mountains 2377 Comment
  POM68800  Valeriana capitata subsp. californica R. M. Austin 1895-08 430 Modoc Sugar Hill. Comment
  CDA39368  Veratrum californicum T. C. Fuller 1958-7-8 2025 Modoc Davis Creek. 0 Comment
  CAS-BOT-BC242189  Veratrum californicum var. californicum Isabel T. Kelly 1930-1-1 45 Modoc Fort Bidwell. Comment
  JEPS123850  Verbascum blattaria Lowell Ahart, John Dittes 2015-7-17 20401 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  CAS-BOT-BC245481  Verbascum thapsus Bruce Bartholomew 1995-8-1 7132 Modoc 4.7 km N of turn off to Cedarvill on U.S. Hwy 395. 1380 Comment
  UCR142471  Veronica alpina var. unalaschcensis L. C. Wheeler 1935-8-10 3821 Modoc Warner Mtns, Lily Lake, Pine Creek 2134 Comment
  POM43211  Veronica americana R. M. Austin 1895-07 459 Modoc Goose Lake Valley. Comment
  CHSC117507  Veronica anagallis-aquatica Lowell Ahart; John Dittes 2016-7-14 21186 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
  CHSC85173  Veronica arvensis John Dittes; Josephine Guardino 1991-7-21 394 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by