Search Results — 2000 specimen records retrieved (1517 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.
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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC15671  Achillea millefolium Bruce Bartholomew 1989-7-15 5000 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC15674  Achillea millefolium Bruce Bartholomew 1990-6-17 5350 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  RSA520361  Achillea millefolium Bruce Bartholomew 1989-7-14 4926 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  UC469107  Achillea millefolium W. P. Taylor and H. C. Bryant 1910-6-25 Modoc on flats and hillsides Parker Cr.; Warner Mountains 1676 Comment
  CAS-BOT-BC242280  Achnatherum hymenoides Burgess L. Kay 1957-6-1 s.n. Modoc 2 mi. NE of Likely. Comment
  CAS-BOT-BC242281  Achnatherum hymenoides Bruce Bartholomew 1993-6-13 6631 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC242283  Achnatherum hymenoides Burgess L. Kay 1957-6-1 s.n. Modoc 2 mi. NE of Likely. 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
  CAS-BOT-BC242276  Achnatherum lemmonii Clare Butterworth Hardham 1961-6-18 7552 Modoc E side of Cedar Pass. 1828 Comment
  UC1024860  Achnatherum lemmonii Leo Whitney 1935-6-1 3170 Modoc 1 mi sw White Horse Comment
  UCD32699  Achnatherum lemmonii Beecher Crampton 1954-7-6 2115 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD50572  Achnatherum lemmonii August L. Hormay 1932-7-16 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  SEINET5585613 Image available Achnatherum lettermanii R. J. Leader, C. S. Leader 1949-1 C- 218 Modoc Badger Wells, 10 miles east of Hackamore Forest Camp on the Canby-Klamath Falls highway 17 miles east of Canby, Modoc National Forest 1585 Comment
  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
  UC1025060  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-23 3569 Modoc 15 mi w Canby (Happy Camp); Modoc National Forest 1463 Comment
  UC1037149  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-6 3423 Modoc Crank Springs Comment
  UCD32696  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2112 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD32698  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2114 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  RSA17433  Achnatherum thurberianum Elmer I. Applegate 1932-8-3 8111 Modoc East branch of Mill Creek, near head. Comment
  UC1037189  Achnatherum thurberianum Leo Whitney 1935-7-28 3555 Modoc near Clear Lake Comment
  UCD51438  Achnatherum thurberianum J. Earl Coke 1930-12-1 s.n. Modoc Range land. Comment
  RSA0037176  Acmispon americanus var. americanus Lowell A. Ahart, John Dittes 2012-7-12 18354 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1295 Comment
  CAS-BOT-BC218306  Aconitum columbianum Barrett Anderson 1986-7-10 3198 Modoc West Warner Rd at the North Fork of Pine Creek. 1935 Comment
  CAS-BOT-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-BC218313  Actaea rubra Francis Dorris Payne 1932-7-22 743 Modoc Parker Creek. 1584 Comment
  UC1795596  Aegilops cylindrica J. Moreo 2002-6-24 PDR 1151611 Modoc Jasper Ranch, Willow Ranch, near New Pine Cr, Oregon Comment
  POM260185  Agastache urticifolia C. L. Hitchcock 1940-5-27 6704 Modoc 15 miles northeast of Alturas. 1616 Comment
  CHSC118796  Ageratina occidentalis L. P. Janeway 2015-8-9 11824 Modoc Warner Mountains. On the south side of a knoll on the west side of Road 39N06 2.2 road-km north of Road 64 (39N01 - the road to Patterson campground); 5.8 air-km north-northeast of Blue Lake. 2170 Comment
  HSC67885  Ageratina occidentalis J. P. Smith, J. O. Sawyer 1973-8-9 7256 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  CAS-BOT-BC15522  Agoseris X dasycarpa Louis C. Wheeler 1935-8-16 3885 Modoc Dismal Swamp, Warner Mtns., Modoc National Forest 2225 Comment
  UC450127  Agoseris glauca var. glauca Milo S. Baker 1893-6 Modoc near Egg Lake; ; near Egg Lake, Modoc Co. Comment
  CAS-BOT-BC23037  Agoseris grandiflora var. grandiflora John Thomas Howell 1934-6-11 11937 Modoc Parker Creek, Warner Mts. 1584 Comment
  CHSC66988  Agoseris heterophylla James D. Jokerst 1987-5-12 2841 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  UC29358  Agoseris heterophylla var. heterophylla M. S. Baker and Frank Nutting 1894-6-16 Modoc hillside near Forestdale Comment
  POM203849  Agoseris parviflora J. T. Howell 1934-6-14 12115 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CHSC99522  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
  RSA218776  Agropyron desertorum R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39089 Modoc Pit River, N of Alturas 1341 Comment
  UC1037168  Agrostis alba Leo Whitney 1935-7-17 3512 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1137066  Agrostis alba August L. Hormay 1932-7-15 Modoc Crowder Ranger Station Modoc National Forest, Crowder Ranger Station Comment
  UC1137134  Agrostis alba August L. Hormay 1932-7-15 Modoc Crowder Ranger Stationi Modoc National Forest, Crowder Ranger Station 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
  CHSC85406  Agrostis exarata John Dittes; Josephine Guardino 1991-8-23 456 Modoc Modoc Plateau; Warner Mountains; southwest edge of Dismal Swamp; ca. 7.4 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.7 air-miles south of Oregon border, ca. 3.3 air-mile northwest of summit of Bidwell Mtn. Meadow. 2209 Comment
  RSA602586  Agrostis exarata L. C. Wheeler 1935-8-16 3873 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  UC1024982  Agrostis exarata Leo Whitney 1935-7-6 3416 Modoc Pitt River near Lookout; Pitt River Comment
  UC1037188  Agrostis exarata Leo Whitney 1935-7-21 3556 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  UCD52339  Agrostis exarata L. D. Whitney 1935-7-24 s.n. Modoc near Hackamore. Comment
  UC1024978  Agrostis pallens Leo Whitney 1935-7-6 3420 Modoc near Lookout; Pit River Comment
  UC1024986  Agrostis pallens Leo Whitney 1935-7-5 3407 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCR67443  Agrostis scabra George K. Helmkamp 1990-9-23 I- 15 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CAS-BOT-BC190684  Aliciella micromeria Bruce Bartholomew; Barrett Anderson 1989-6-2 4820 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CHSC111095  Alisma triviale Lowell Ahart; John Dittes 2012-7-12 18372 Modoc North edge of Ash Creek, south of the gravil pit, about 1/8 miles 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-BC445445  Alisma triviale Mrs. C. C. Bruce 1898-8-1 2232 Modoc Goose Lake Comment
  HSC2917  Allium acuminatum M. T. Milligan 1965-6-27 379 Modoc N end Jess Valley 1616 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
  RSA17438  Allium acuminatum Elmer I. Applegate 1929-6-24 5887 Modoc Between Aden and Canby, Pit River region. Comment
  UC1037237  Allium acuminatum Leo Whitney 1934-5-22 1919 Modoc flat near Timbered Mountain; Modoc National Forest, Devil's Garden 1524 Comment
  HSC29863  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19493 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 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
  CAS-BOT-BC244992  Allium bisceptrum var. bisceptrum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10534 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  HSC25435  Allium campanulatum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19478 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  HSC2949  Allium lemmonii M. T. Milligan 1964-6-17 43 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  RSA540060  Allium lemmonii Bruce Bartholomew 1990-6-16 5279 Modoc Bear Flat, west side of Warner Mountains. 1830 Comment
  SEINET8122357  Allium lemmonii M. J. Williams 1984-6-28 84- 67 -1 Modoc 2 miles N of intersection between Soldier Creek and Old Cannon Mill Roads. 2057 Comment
  CAS-BOT-BC244974  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek. 2072 Comment
  UC1299753  Allium platycaule Freed W. Hoffman 1955-7-14 4106 Modoc 6 mi e junctions of highways 395 and 8A (s side of road); Cedar Pass 1524 Comment
  UC3103  Allium platycaule Mrs. R. M. Austin and Bruce July 1898 2227 Modoc Hugh Mts. Warner range, Hugh Mts. Comment
  SEINET198608  Allium siskiyouense Annie M. Alexander, L Kellogg 1946-6-8 4702 Modoc Near 3 mi Ranger Station sign rd from Eagleville to Patterson Mill 2225 Comment
  RSA59817  Allium tolmiei E. K. Balls 1950-5-18 14767 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  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
  CDA28190  Alopecurus aequalis T. C. Fuller 1958-7-8 1955 Modoc Likely/Alturas. 0 Comment
  JEPS119963  Alopecurus aequalis var. aequalis Lowell Ahart, John Dittes 2012-7-10 18308 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC242342  Alopecurus geniculatus Bruce Bartholomew; Barrett Anderson 1990-7-19 5444 Modoc Sweagert Flat. 1860 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
  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
  UC1024962  Alopecurus saccatus Leo Whitney 1935-7-12 3449 Modoc ca. 15 mi. n.w. Canby (Lake Joaquina); Modoc Nat'l Forest, Hackamore, Lake Joaquina 1463 Comment
  SEINET10481947  Alyssum alyssoides Jeffrey Huber 1971-6-3 Huber 101 Modoc 5 mi s of canby on state hwy 299, lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper, artemisia, purshia, poa association. 1280 Comment
  RSA477427  Alyssum desertorum Christopher Davidson 1973-5-26 2117 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  CDA18404  Alyssum minus subsp. micranthum G. D. Barbe, P. Hiatt & M. Keffer 1980-6-4 2805 Modoc Modoc Plateau; Goose Lake Park, eastern shore of Goose Lake, west of New Pine Creek; end of road at lake's shore. 1426 Comment
  CHSC118077  Alyssum simplex L. P. Janeway 2016-5-17 12031 Modoc Modoc Plateau. Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  UC1585856  Alyssum simplex Barbara Ertter 1988-6-18 7607 Modoc w. side hwy 139 just s. of where it crosses railroad at jct to Clear Lake (n.e. of Dry Lake, e. of Lava Beds National Monument) 1249 Comment
  CAS-BOT-BC497471  Alyssum simplex Margaret J. Williams 1988-5-28 88 -19/4 Modoc Hwy 395, intersection with Davis Creek Road Comment
  CHSC99958  Amaranthus albus Lowell Ahart; John Dittes 2008-8-25 15320 Modoc On the east bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  SEINET200136 Image available Amaranthus californicus Unknown 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
  CAS-BOT-BC217090  Amelanchier utahensis Alice Eastwood; John Thomas Howell 1940-6-12 8045 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC217091  Amelanchier utahensis Bruce Bartholomew; Mona Bourell 1990-4-28 5207 Modoc 6.3 km SE of Rush Creek on road to Hunters Ridge. 1670 Comment
  CAS-BOT-BC217093  Amelanchier utahensis Bruce Bartholomew 1989-7-15 4985 Modoc 7 km from State Hwy 299 on road to Manzanita Mountain. 1830 Comment
  CAS-BOT-BC217099  Amelanchier utahensis Annie Montague Alexander; L. Kellogg 1946-6-5 4658 A Modoc Emerson Creek, S of Eagleville, Warner Mts. 1783 Comment
  UC72962  Amelanchier utahensis Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC859121  Amelanchier utahensis C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi ne Alturas 1676 Comment
  UC914261  Amelanchier utahensis Verne Grant and Alva Grant 1947-7-8 8006 Modoc Cedar Pass; Warner Mts. Comment
  CAS-BOT-BC54196  Amsinckia menziesii John Thomas Howell 1934-6-12 11995 Modoc 6 mi. S of Davis Creek. Comment
  JEPS126551  Amsinckia menziesii Lowell Ahart, John Dittes 2016-6-6 20942 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  SJSU9596  Amsinckia menziesii W. Savage 1979-7-5 1365 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1008303  Amsinckia menziesii var. menziesii L. R. Heckard, R. Bacigalupi 1952-6-18 309 Modoc 3/4 mi e Canby (by railroad crossing, along US Hwy 299) Comment
  SJSU9646  Amsinckia tessellata W. Savage 1979-7-8 1479 Modoc W side Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC1540003  Amsinckia tessellata var. tessellata M. Mitchell 1936-5-21 48 Modoc 2 mi se of Hospital Rock; Lava Beds National Monument 1249 Comment
  UC1035989  Amsinckia tessellata var. tessellata Helen K. Sharsmith 1955-6-22 4502 Modoc just outside w boundary of Modoc National Forest (w slope Warner Mountains, West Valley resevoir); Warner Mountains, West Valley 1524 Comment
  SEINET2040119  Antennaria argentea Annie M. Alexander, Kellogg, Louise 1946-6-17 4785 Modoc Cedar Pass road. 1770 Comment
  CAS-BOT-BC15610  Antennaria argentea Roxana Stinchfield Ferris; R. Duthie 1919-6-14 99 Modoc E of Alturas, Warner Mts. 2133 Comment
  RSA503242  Antennaria argentea Bruce Bartholomew, B. Anderson 1988-7-22 4535 Modoc Mill Creek, Lake City Canyon, 5.5km W of Lake City, E side of the Warner Mtns. 1860 Comment
  CAS-BOT-BC15580  Antennaria dimorpha Bruce Bartholomew; Barrett Anderson 1988-5-12 4126 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  POM40357  Antennaria dimorpha Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  OBI47986  Antennaria dimorpha Rhonda Riggins 1989-4-28 1670 Modoc 6.9 mi N of Hwy 395 E of Alturas on road to Raker and Thomas Reservoir (continuation of Pencil Rd) 1524 Comment
  CAS-BOT-BC15592  Antennaria luzuloides Bruce Bartholomew; Barrett Anderson 1988-6-24 4361 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  RSA0062305  Antennaria luzuloides Lowell Ahart, John Dittes 2011-6-22 17554 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
  SBBG7569  Antennaria luzuloides H. and M. Dearing 1939-6-9 3635 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  UC585088  Antennaria luzuloides E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1842 Modoc summit of Cedar Pass; Warner Mts. 1910 Comment
  UC1302430  Antennaria luzuloides Clare B. Hardham 1961-6-18 7556 Modoc hills 3 mi se Cedar Pass; Warner Mountains Comment
  RSA164324  Antennaria rosea Clare B. Hardham 1961-6-20 7864 Modoc Pine Creek 1677 Comment
  UC748163  Antennaria rosea Annie M. Alexander and Louise Kellogg 1946-7-11 4973 Modoc w of Eight Mile Creek Comment
  CAS-BOT-BC368000  Antennaria rosea subsp. rosea Richard R. Halse 2006-8-4 6997 Modoc Modoc Naitonal Forest; south end of the Warner Mountains along Patterson Mill Road by Homestead Flat 2152 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
  CAS-BOT-BC15697  Apocynum cannabinum R. M. Austin 1898-7-1 2336 Modoc Lake shore. Comment
  RSA84425  Aquilegia formosa F. W. Peirson 1926-6-25 6879 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  JEPS60393  Aquilegia formosa Frances D. Payne 1929-7-7 48 Modoc 2 mi sw Mt. Warren; Pine Creek Basin 2133 Comment
  CAS-BOT-BC218345  Aquilegia formosa var. formosa Leland S. Smith 1922-7-7 1256 Modoc High Grade Hill above Dismal Swamp. 2316 Comment
  CAS-BOT-BC218349  Aquilegia formosa var. formosa John Thomas Howell 1934-6-11 11952 Modoc Parker Creek, Warner Mts. 1584 Comment
  JEPS54274  Arabidopsis thaliana Frances D. Payne 1930-3-29 347 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  UC10399 Image available Arabis davidsonii Mrs. C. C. Bruce Jun 1892 2250 Modoc Lake City mt Comment
  CHSC30497  Arabis eschscholtziana N. E. H. Prouty 1980-5-25 166 Modoc Along stream from hot spring. Comment
  NY112364  Arabis hirsuta R. J. Weatherby 1955-7-8 1624 Modoc 6 miles N of Ft. Bidwell, northern Warner Mtns. 1737.4 Comment
  RSA486354  Arabis puberula Bruce Bartholomew, B. Anderson 1988-5-13 4177 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mtns. 1450 Comment
Read comments Feb 9 2009
  SEINET3899867  Arabis puberula Reed C. Rollins, Kathryn W. Rollins 1981-6-1 81192 Modoc Warner Mountains, 3.3 miles west of Lake City.; 0 Comment
  NY119623  Arabis sparsiflora var. subvillosa R. C. Rollins 1981-6-1 81187 Modoc Near Cedar Pass, between Cedarville and Alturas Comment
  NY119624  Arabis sparsiflora var. subvillosa R. C. Rollins 1981-6-1 81193 Modoc Warner Mtns., ca. 1 mile N of summit, Lake City to U.S. 395 Comment
  CAS-BOT-BC95647  Arctostaphylos nevadensis A. D. Borden 1911-6-15 Modoc S slope Middle Fork Davis Creek. Comment
  CAS-BOT-BC95661  Arctostaphylos patula C. C. (Mrs.) Bruce 1894-5-1 71 Modoc Willow Ranch. Comment
  JEPS86269  Arenaria aculeata W. L. Jepson 1918-8-7 7886 Modoc Mt. Bidwell 2438 Comment
  RSA17681  Arenaria aculeata Elmer I. Applegate 1932-7-9 7600 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  UC748052  Arenaria aculeata Annie M. Alexander and Louise Kellogg 1946-7-23 5053 Modoc Warner Mountains, Emerson Peak Comment
  JEPS51492  Arenaria aculeata Frances D. Payne 1929-6-13 8 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1037297  Arenaria congesta var. subcongesta Leo Whitney 1934-5-13 1652 Modoc Devil's Garden, Modoc National Forest Devil's Garden, Modoc National Forest (northeast portion of country) 1584 Comment
  UC852275  Arenaria congesta var. subcongesta C. L. Hitchcock 1940-5-28 6728 Modoc 15 mi n Alturas (along sedge bank of stream) 1402 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
  CAS-BOT-BC242412  Aristida oligantha Louis Cutter Wheeler 1935-9-6 3959 Modoc Fletcher Creek. 1524 Comment
  POM229218  Aristida oligantha L. C. Wheeler 1935-9-6 3959 Modoc Fletcher Creek at Pease Place. Devil's Garden. 1524 Comment
  SEINET3085708 Image available Arnica chamissonis subsp. foliosa Annie M. Alexander, Louise Kellogg 1946-7-7 4926 Modoc Eight Mile Creek, northeast corner of Modoc county. 1750 Comment
  POM30284  Arnica chamissonis subsp. foliosa Mrs. R. M. Austin 1895-08 s.n. Modoc Goose Lake Valley Comment
  UC1037303  Arnica cordifolia Leo Whitney 1934-5-5 1608 Modoc 15 mi w of, (at Happy Camp) Canby; Modoc National Forest, Happy Camp 1463 Comment
  RSA152449  Arnica cordifolia I. L. Wiggins, Dorothy Wiggins 1961-6-13 16457 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  UC220228  Arnica cordifolia Mrs. R. M. Austin 1885-6-1 Modoc hills Comment
  CAS-BOT-BC15422  Arnica discoidea Bruce Bartholomew; Barrett Anderson 1988-7-21 4415 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  RSA323623  Arnica fulgens A. Tiehm 1984-6-30 8837 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1844 Comment
  HSC81049  Arnica mollis G. M. Riegel 1980-8-25 1108 Modoc S Warner Mountains 1670 Comment
  JEPS35913  Arnica mollis L. S. Smith 1917-8-3 147 Modoc South Fork Davis Creek Modoc National Forest, South Fork Davis Creek 2042 Comment
  RSA606144  Arnica mollis L. C. Wheeler 1935-8-14 3855 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  UCR34673  Arnica mollis J. A. Harpel 1981-8-6 V- 18 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC15294  Arnica nevadensis Robert Patterson; Mona Bourell 1993-8-14 5217 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC15299  Arnica sororia Arnold Tiehm 1984-6-30 8837 Modoc NW side of Bidwell Mt., 2.2 road mi. N of Eight Mile Creek on road from Lake Annie. 1844 Comment
  CDA10133  Arnica sororia T. C. Fuller 1963-6-11 10648 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 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
  CAS-BOT-BC15216  Artemisia arbuscula subsp. arbuscula James D. Jokerst 1983-7-27 1911 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC15218  Artemisia arbuscula subsp. arbuscula Leland S. Smith 1918-8-1 10541 /2 Modoc Squaw Peak - E. Cottonwood slope. 2286 Comment
  HSC81046  Artemisia arbuscula subsp. arbuscula G. M. Riegel 1980-7-23 928 Modoc S Warner Mtns. 1739 Comment
  SEINET3396706  Artemisia arbuscula subsp. longicaulis S. C. McArthur, E. D. McArthur 1986-1 1558 Modoc 2.6 mi S of California line & 15 mi N of Ft. Bidwell Comment
  JEPS117170  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2010-8-30 17050 Modoc High bank of a small wash, about 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC15213  Artemisia tridentata subsp. tridentata Doris K. Kildale 1926-9-11 2770 Modoc Between Alturas and Marlin, Oregon. 1371 Comment
  CAS-BOT-BC15655  Asclepias cordifolia E. S. Willits 1940-6-9 330 Modoc Fandango Pass. Comment
  CAS-BOT-BC15658  Asclepias cordifolia Bruce Bartholomew 1995-6-1 6923 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  HSC1978  Asclepias cordifolia M. T. Milligan 1965-6-30 392 Modoc E of Jess Valley 1677 Comment
  CAS-BOT-BC15653  Asclepias cordifolia Robert Folger Thorne; C. W. Tilforth 1969-9-5 39152 Modoc Near Pine Creek Falls. 1752 Comment
  RSA503236  Asclepias cordifolia Bruce Bartholomew, B. Anderson 1988-7-21 4463 Modoc Vincinity of Patterson Campground, southern end of Warner Mountains. 2190 Comment
  CAS-BOT-BC15662  Asclepias fascicularis Bruce Bartholomew 1989-8-10 5042 Modoc Little Hot Spring Valley, 3.9 km NW of Day. 1070 Comment
  SEINET195716  Asclepias fascicularis Annie M. Alexander, Louise Kellogg 1946-7-7 4922 Modoc Lake Annie. Comment
  RSA520444  Asclepias speciosa Bruce Bartholomew 1990-6-17 5285 Modoc Surprise Valley, SW side of Lower Alkali lake, 1.8 km N of Lassen County border. 1370 Comment
  HSC71397  Astragalus californicus J. P. Smith, J. O. Sawyer 1972-5-6 5271 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  RSA150339  Astragalus curvicarpus A. J. Cronquist, Arthur H. Holmgren 1959-6-21 8530 Modoc East side of the Warner Mts. below Fandango Pass. 1524 Comment
  CAS-BOT-BC218221  Astragalus curvicarpus var. curvicarpus Elmer Ivan Applegate 1897-5-31 880 Modoc E side of Tule Lake below Bloody Point. Comment
  CAS-BOT-BC218223  Astragalus curvicarpus var. curvicarpus James D. Jokerst 1983-5-31 1813 Modoc Near Signal Butte. 1340 Comment
  CHSC99288  Astragalus curvicarpus var. curvicarpus Lowell Ahart; John Dittes 2008-6-20 14976 Modoc Upland on the northeast side of Big Valley, about 5.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 8.3 miles (air) northeast of Bieber. 1287 Comment
  NY803533  Astragalus curvicarpus var. curvicarpus A. J. Cronquist 1959-6-21 8530 Modoc Sagebrush slopes on the east side of the Warner Mountains below Fandango Pass 1524 Comment
  CAS-BOT-BC182066  Astragalus filipes C. L. Hitchcock 1940-5-27 6650 Modoc 9 mi. NE of Alturas. 1402 Comment
  CAS-BOT-BC182073  Astragalus filipes James D. Jokerst 1983-5-31 1805 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC182075  Astragalus filipes L. A. M. Black 1894-6-1 76 Modoc Davis Creek. Comment
  CAS-BOT-BC182961  Astragalus filipes H. D. Ripley; R. C. Barneby 1944-5-31 5993 Modoc Mesa N.-W. of Alturas 1371 Comment
  CHSC99289  Astragalus filipes Lowell Ahart; John Dittes 2008-6-20 14976 Modoc Upland on the northeast side of Big Valley, about 5.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 8.3 miles (air) northeast of Bieber. 1287 Comment
  JEPS126491  Astragalus filipes Jennifer Mueller 2016-7-18 CA 370 -231 Modoc Take county road 27 up Granger Canyon. Comment
  SBBG3186  Astragalus filipes H. and M. Dearing 1939-6-7 3581 Modoc near Alturas Comment
  CAS-BOT-BC182071  Astragalus filipes Amos Arthur Heller 1938-6-24 15226 Modoc Roadside between Canby and Alturas. 1219 Comment
  CAS-BOT-BC182963  Astragalus filipes Mrs. R. M. Austin; Mrs. Bruce 1898-6-1 2208 Modoc Plains - Goose Lake Comment
  HSC14513  Astragalus filipes R. C. Wunner 1965-6-26 282 Modoc Lava Beds N. M., .1 mi. from Blue Eyes Point by side of road. Comment
  HSC14514  Astragalus filipes R. C. Wunner 1965-6-13 164 Modoc Lava Beds National Monument, Gillems Camp near old dump. 1220 Comment
  RSA0025568  Astragalus filipes John F. Emmel 1996-7-16 1439 Modoc Northeast end of Surprise Valley, east of north end of Upper Alkali Lake; sand dunes area 3.1 air mi west of south end Fee Reservoir. (SW 1/4, Section 25) and (NW 1/4, Section 36, Township 46N, Range 16E). 1366 Comment
  SEINET948297  Astragalus filipes Ira L. Wiggins 1967-1 16433 Modoc South-facing slope 4 miles E of summit of Cedar Pass, between Alturas and Caderville Comment
  UC862723  Astragalus filipes A. A. Heller 1938-6-24 15226 Modoc on U.S. Highway #299 between Alturas Canby; between Alturas and Canby 1341 Comment
  SBBG3188  Astragalus gibbsii H. and M. Dearing 1939-6-7 3580 Modoc near Alturas Comment
  SDSU7883  Astragalus gibbsii D. F. Howe 1994-8-1 3910 Modoc 11 miles south of Alturas on #395. 1280 Comment
  NY675804  Astragalus lentiginosus var. lentiginosus R. M. Austin 07 1898 2210 Modoc Lake Shore Comment
  UC748431  Astragalus obscurus Annie M. Alexander and Louise Kellogg 1946-6-10 4717 Modoc Lava bench between Lower and Snake Lakes (slope facing Lower Lake); between Lower and Snake Lakes, Lower Lake Comment
Read comments Jan 8 2008
  CAS-BOT-BC193029  Astragalus purshii var. tinctus E. K. Balls 1950-5-13 14662 Modoc Goose Lake, east shore, about Willow Ranch 1463 Comment
  NY694437  Astragalus purshii var. tinctus B. M. Bartholomew 1993-5-10 6466 Modoc Below Emerson Campground, east side of Warner Mountains 1710 Comment
  UC748312  Astragalus whitneyi var. confusus Annie M. Alexander and Louise Kellogg 1946-7-23 5043 Modoc near summit e slope Emerson Peak (Warner Mountains); , e slope Emerson Peak Comment
  NY696558  Astragalus whitneyi var. confusus R. C. Barneby 1982-5-25 17842 Modoc In west foothills of Warner Mountains, 9 miles northeast of Alturas 1550 Comment
  NY696559  Astragalus whitneyi var. confusus J. M. Gillett 1964-6-8 12634 Modoc 2 miles south of Likely Comment
  CAS-BOT-BC181996  Astragalus whitneyi var. lenophyllus M. M. Hanna 1956-6-4 Modoc Lava mesa along highway to Cedarville. 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
  UC62694  Athyrium filix-femina var. cyclosorum Baker and Nutting 1894-9-5 Modoc near Forestdale Comment
  CAS-BOT-BC17521  Athysanus pusillus B. Bartholomew 1991-6-21 5821 Modoc Vicinity of Drift Fence Tank, 2 km south of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  CHSC117879  Athysanus pusillus L. P. Janeway 2016-5-16 11980 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  POM103069  Atriplex argentea Mrs. R. M. Austin 1895-08 416 Modoc Goose Lake Comment
  POM312478  Atriplex rosea H. L. Mason 1947-8-9 13477 Modoc East side of Fairchild Swamp, north of Alturas Comment
  JEPS118231  Atriplex truncata Dean W. Taylor 1989-8-4 10425 Modoc Surprise Valley; between Middle Lake and Lower Lake, ca. 2.5 mi N of Eagleville 1231 Comment
  UC42327  Azolla filiculoides Mrs. R. M. Austin June, 1894 Modoc Cold Spring; Willow Creek Valley Comment
Read comments Jul 6 2010
  UC472199  Balsamorhiza Franklin P. Nutting Modoc near Egg Lake Comment
  CHSC117881  Balsamorhiza hookeri L. P. Janeway 2016-5-16 11992 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  SEINET10958200  Balsamorhiza hookeri LeRoy E. Detling 1948-5-24 Detling 6254 Modoc N. Fork Pit River. 1463 Comment
  RSA59763  Balsamorhiza hookeri var. lagocephala E. K. Balls 1950-5-14 14690 Modoc 0.2 mi. south of boundary Modoc National Forest, trail from Alturas to Thomas Reservoir. 1524 Comment
  CAS-BOT-BC15179  Balsamorhiza hookeri var. lanata Lindsay Stuart Smith; E. H. Steffen 1917-5-27 17 Modoc West Valley camp and Jess Valley. 1554 Comment
  CAS-BOT-BC15127  Balsamorhiza sagittata Leland S. Smith 1919-6-2 1106 Modoc Deep Creek Ranger Station, Modoc National Forest 1524 Comment
  CAS-BOT-BC15197  Balsamorhiza sagittata Annie Montague Alexander; L. Kellogg 1946-7-1 4891 Modoc 0.5 mi E summit of Bidwell Creek Road, Warner Mountains Comment
  CAS-BOT-BC15200  Balsamorhiza sagittata S. Saufferer 1973-5-5 130 Modoc About 7.5 mi. S of Pine Creek, along Hwy 395. Comment
  CHSC117885  Balsamorhiza sagittata L. P. Janeway 2016-5-18 12060 Modoc Modoc Plateau. Northeast corner of the Devils Garden area; along Road 47N37 0.6 km north of Road 73/181/47N09. 1626 Comment
  UC1037306  Balsamorhiza sagittata Leo Whitney 1934-5-10 1605 Modoc near Hockamore; Modoc National Forest 1463 Comment
  RSA152708  Balsamorhiza sagittata I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16410 Modoc Steep hillside in Cedar Pass, along Cedar Pass Road between Alturas and Cedarville Comment
  CAS-BOT-BC58627  Barbarea orthoceras Betty J. Hammerly 1941-6-20 32 Modoc Just beyond Clear Lake. 1767 Comment
  CAS-BOT-BC58671  Barbarea orthoceras Margaret J. Williams; Thad Holcomb; Betty Holcomb; L. Saxton 1988-5-28 80- 21 -1 Modoc Crowser Flat road, W of Alturas. Road leads to Devil's Garden and Big Sage Reservoir and is near Hwy 299. Comment
  NY529210  Bassia hyssopifolia L. C. Wheeler 1935-10-10 4035 Modoc Alturas 1356.4 Comment
  CDA31540  Beckmannia syzigachne T. C. Fuller 1958-7-8 1951 Modoc Likely: Corporation Ranch 0 Comment
  JEPS119964  Beckmannia syzigachne Lowell Ahart, John Dittes 2012-7-10 18310 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  UCD56808  Beckmannia syzigachne August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  HSC100068  Beckmannia syzigachne G. D. Barbe, John Kelley 1988-7-20 4298 Modoc Modoc National Wildlife Refuge, SE of Alturas, MDB & M. Comment
  UCSC000020  Beckmannia syzigachne August L. Hormay 1932-7-15 s.n. Modoc Crowder Ranger Station Comment
  UC472310  Berberis aquifolium var. aquifolium Franklin P. Nutting 1890-1 Modoc Big Valley Mts Comment
  UC71677  Berberis aquifolium var. repens Mrs. M. H. Manning 1903-5 134 Modoc Mt. Bidwell Comment
  UC1192265  Bergia texana Herbert L. Mason 1947-8-8 13462 Modoc Southwest margin of Big Sage Reservior, northwest of Alturas Comment
  CAS-BOT-BC21486  Berula erecta Elmer Ivan Applegate 1932-8-6 8202 Modoc Spring in desert, W side of Middle Lake. Comment
  UC1583943  Berula erecta G. Schoolcraft 1990-7-11 2105 Modoc about 2 mi w of West Valley Reservoir 1493 Comment
  NY526244  Betula glandulosa L. C. Wheeler 1935-8-15 3858 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225.0 Comment
  RSA504627  Betula occidentalis Bruce Bartholomew, B. Anderson 1988-6-24 4350 Modoc South Barber Creek, 6.3 km SW of Country Road 1 on Country Road 42, E side of the Warner Mountains. 1790 Comment
  JEPS127312  Bidens cernua Lowell Ahart, John Dittes 2016-7-14 21152 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  UCD129551  Bidens cernua Herbert L. Mason; Verne Grant 1947-7-12 13431 Modoc south loop of west side road, north of Likely. Comment
  CAS-BOT-BC218112  Bistorta bistortoides Elmer Ivan Applegate 1932-7-9 7613 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC15087  Blepharipappus scaber F. Angwin 1946-5-3 s.n. Modoc Big Valley, 2 mi NW of Adin. 1280 Comment
  CAS-BOT-BC15103  Blepharipappus scaber R. K. Gierisch; D. H. Esplin 1969-7-15 3541 Modoc Modoc National Forest 1524 Comment
  CAS-BOT-BC15105  Blepharipappus scaber Barrett Anderson 1986-7-9 3130 Modoc Poney Flat Road, just off Hwy 299 1435 Comment
  CAS-BOT-BC15106  Blepharipappus scaber R. K. Gierisch; D. H. Esplin 1969-7-15 3541 Modoc Modoc National Forest 1524 Comment
  CAS-BOT-BC15108  Blepharipappus scaber Bruce Bartholomew; Barrett Anderson 1989-6-1 4735 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC15110  Blepharipappus scaber K. Paulson; Robert Paulson 1988-6-29 59 Modoc Joseph Creek Basin, Warner Mts.. 1524 Comment
  SJSU9536  Blepharipappus scaber W. Savage 1979-7-3 1274 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCR92621  Blepharipappus scaber Kathy Harper, D. Karr 1994-6-16 s.n. Modoc Modoc Plateau, near Spaulding Lake, along Calif. Hwy 139, c. 15 mi. south of Tionesta Road, NW of Canby near Hackamore 1160 Comment
  RSA185384  Blepharipappus scaber Clare B. Hardham 1961-6-18 6546 Modoc 3 miles SE of Cedar Pass. 1829 Comment
  UC894093  Blepharipappus scaber Lewis S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  UC894098  Blepharipappus scaber Milo S. Baker 1936-6-16 8353 Modoc Hwy 395 between Alturas and Likely Alturas; Hwy. 395 Comment
  RSA0125878  Boechera C. L. Hitchcock 1940-5-27 6714 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC95736  Boechera pauciflora Gordon H. True 1964-6-3 1433 Modoc No. Fork Pit River between Alturas & Goose Lake. 1432 Comment
  CHSC118073  Boechera pauciflora L. P. Janeway 2016-5-17 12019 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  CAS-BOT-BC100299  Boechera puberula John Thomas Howell 1934-6-12 12017 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC35123  Boechera puberula E. S. Willits 1940-5-6 225 Modoc Davis Creek. Comment
  CAS-BOT-BC58567  Boechera puberula Bruce Bartholomew; Barrett Anderson 1988-5-13 4177 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mts.. 1450 Comment
  CAS-BOT-BC58658  Boechera puberula Gordon H. True 1964-6-3 1434 Modoc No. Fork Pit River between Alturas and Goose Lake. 1432 Comment
  CAS-BOT-BC35125  Boechera puberula Leland S. Smith 1920-6-15 1200 Modoc Bieber Range. 1371 Comment
  CAS-BOT-BC58294  Boechera retrofracta E. S. Willits 1940-5-6 225 A Modoc Davis Creek. Comment
  CAS-BOT-BC25696  Boechera sparsiflora B. Bartholomew; B. Anderson 1988-6-25 4391 Modoc 5.6 km northwest of State Highway 299 on County Road 73. 1500 Comment
  CAS-BOT-BC25708  Boechera sparsiflora C. L. Hitchcock 1940-5-27 6714 Modoc 15 miles northwest of Alturas. 1676 Comment
  RSA0128801  Boechera sparsiflora Christopher Davidson 1973-5-26 2110 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA0128826  Boechera sparsiflora E. K. Balls 1950-5-11 14606 Modoc W of Middle Lake. Between Eagleville and Cedarville. 1433 Comment
  RSA210868  Boisduvalia glabella Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39122 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  RSA166350  Boisduvalia glabella D. M. Moore 1960-6-4 120 Modoc 7.4 mi. W of Adin on road to Lookout. Comment
  RSA166305  Boisduvalia macrantha Peter H. Raven, Otto T. Solbrig 1958-6-18 13330 Modoc Eastern outskirts of Lookout Comment
  UC2116  Bolboschoenus fluviatilis Milo S. Baker 1893-7-2 Modoc Egg Lake Comment
  CHSC70713  Brickellia microphylla A. Sanger 1997-8-27 2610 Modoc South of Hwy 299 on Cedar Pass just north of the gravel shack at the proposed Cedar Creek trailhead. 1584 Comment
  CHSC38984  Brodiaea coronaria J. D. Jokerst 1983-7-12 1838 Modoc Just south of the junction of Hwy 139 and Loveness Rd. 1478 Comment
  CAS-BOT-BC244942  Brodiaea coronaria subsp. coronaria Alice Eastwood; John Thomas Howell 1940-6-14 8232 Modoc 8 mi. NW of Canby. Comment
  JEPS69154  Bromus briziformis Leland S. Smith 1918-6-14 939 Modoc Buck Creek Ranger Station 1524 Comment
  CAS-BOT-BC242474  Bromus carinatus var. carinatus John H. Hatton 1911-6-15 107 Modoc unspecified Comment
  JEPS69160  Bromus carinatus var. carinatus Leland S. Smith 1918-6-24 Modoc Modoc National Forest, Pine Creek Pine Creek; Modoc National Forest, Pine Creek 2286 Comment
  JEPS69180  Bromus carinatus var. carinatus Leland S. Smith 1918-6-22 971 Modoc Modoc National Forest, Pine Creek Canyon Pine Creek Canyon; Modoc National Forest, Pine Creek Canyon 2133 Comment
  UC1024738  Bromus carinatus var. carinatus Leo Whitney 1934-5-19 3043 b Modoc Modoc National Forest, Timbered Mountains, Devil's Garden Devil's Garden; Modoc National Forest, Timbered Mountains, Devil's Garden 1524 Comment
  UCD59095  Bromus carinatus var. marginatus A. A. Beetle 1941-6-29 2821 Modoc 15 miles west of Alturas, road to Cedarville Pass. 1524 Comment
  POM264293  Bromus commutatus A. A. Beetle 1941-6-29 2837 Modoc south slope of Mount Adin Comment
  UC1024321  Bromus hordeaceus Annie M. Alexander and Louise Kellogg 1946-6-18 4792 Modoc Patterson Mill-Silver Creek Roads Patterson Mill; , Silver Creek Roads 1828 Comment
  SJSU9684  Bromus inermis Wayne Savage 1979-7-26 1569 Modoc Round Willows Unit, Devils Garden Ranger District, Modoc National Forest 1584 Comment
  HSC80910  Bromus tectorum G. M. Riegel 1980-7-8 830 Modoc South Warner Mtn. 530 Comment
  HSC9400  Calamagrostis canadensis var. langsdorffii M. T. Milligan 1967-7-9 671 Modoc E of Jess Valley 1768 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
  UC1101526  Callitriche hermaphroditica Verne Grant and Irving Schneider 1947-7-18 8055 Modoc 1.4 mi n Bayley's Bridge (s of Alturas) Comment
  UCR207996  Callitriche hermaphroditica L. C. Wheeler 1935-8-22 3904 Modoc Devil's Garden: South Mt. Reservoir 1524 Comment
  CAS-BOT-BC95096  Callitriche palustris Robert Folger Thorne; C. W. Tilforth 1969-9-4 39060 Modoc 2 mi. W of Davis Creek (town), S of Goose Lake. 1432 Comment
  CHSC117242  Callitriche palustris Lowell Ahart; John Dittes 2016-7-16 21251 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  UC401356  Calocedrus decurrens W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  CHSC30640  Calochortus leichtlinii N. E. H. Prouty 1980-7-1 190 Modoc Bear Flat T. S. Modoc Nat. Forest, Warner Mt. District. 1889 Comment
  CAS-BOT-BC242140  Calochortus macrocarpus Amos Arthur Heller 1940-6-29 15747 Modoc Hwy 299, 8 mi. W of Alturas. 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-BC242143  Calochortus macrocarpus Elmer Ivan Applegate 1932-7-9 7621 Modoc Surprise Valley, 5 mi. S of Fort Bidwell. Comment
  CAS-BOT-BC242149  Calochortus macrocarpus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10517 Modoc Patterson Ranger Stateon (East Creek drainage). 2164 Comment
  RSA503043  Calochortus macrocarpus K. Paulson, R. Paulson 1988-7-13 79 Modoc Jess Valley Road, 3 miles east of Likely 1372 Comment
  CAS-BOT-BC217326  Caltha leptosepala Bruce Bartholomew 1991-6-21 5800 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  RSA0039539  Calycadenia ciliosa Lowell A. 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
  UCR34758  Calyptridium umbellatum J. A. Harpel 1981-8-6 V- 35 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  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
  RSA488030  Camassia quamash subsp. breviflora Bruce Bartholomew, B. Anderson 1988-5-12 4015 Modoc S side of Egg Lake. 1300 Comment
  JEPS55581  Camassia quamash subsp. breviflora H. M. Beard 1960-7-2 Modoc Davis Creek 1371 Comment
  JEPS120866  Camelina microcarpa Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18757 Modoc On the north side of levee, about 100 yards N of the parking area, NW of the old barn, Ash Creek State Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber, Big Valley. Comment
  CAS-BOT-BC191128  Camissonia andina Bruce Bartholomew 1993-6-14 6654 Modoc 5.5 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1440 Comment
  CAS-BOT-BC191134  Camissonia andina Bruce Bartholomew 1990-6-18 5378 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  NY850968  Camissonia boothii subsp. alyssoides B. M. Bartholomew 1989-6-2 4812 Modoc Sand dunes at the southeast corner of Upper Alkali Lake, east side of Surprise Valley 1400 Comment
  NY850969  Camissonia boothii subsp. alyssoides B. M. Bartholomew 1993-5-10 6451 Modoc At the Nevada border directly east of Eagleville, east side of Surprise Valley 1520 Comment
  CHSC111414  Camissonia contorta Lowell Ahart; John Dittes 2012-7-12 18355 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  UC20540  Camissonia contorta M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UC1586092  Camissonia parvula Barbara Ertter 1988-6-18 7614 Modoc Hwy 139 1 mi s jct. to Lava Beds Nat'l Monument (ca 50 air mi sw of Klamath Falls, a few mi n of Agric. Inspection Station, e of Tonesta) 1310 Comment
  HSC16483  Camissonia subacaulis M. T. Milligan 1965-7-10 421 Modoc W slope of Eagle Peak. 2439 Comment
  CAS-BOT-BC191082  Camissonia tanacetifolia subsp. tanacetifolia Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10569 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  POM203957  Camissonia tanacetifolia subsp. tanacetifolia J. T. Howell 1934-7-2 12358 Modoc East side of Clear Lake Comment
  RSA210869  Camissonia tanacetifolia subsp. tanacetifolia Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39085 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  RSA518987  Camissonia tanacetifolia subsp. tanacetifolia Barbara Ertter 1988-6-18 7606 Modoc West side of Highway 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument. 1250 Comment
  CAS-BOT-BC58467  Cardamine breweri var. breweri Betty J. Hammerly 1941-6-20 33 Modoc Along bank of Clear Lake, S end of Warner Mts. Comment
  CAS-BOT-BC58434  Cardamine pensylvanica Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16488 Modoc 6.4 mi. S of Lassen Creek camp ground, on road to Buck Mt., Warner Mts. Comment
  CAS-BOT-BC497336  Carex G. Schoolcraft 1996-7-23 2544 Modoc E. of Yankee Jim Ranch, about 12 mi SE of Alturas 1645 Comment
  CHSC100860  Carex abrupta L. P. Janeway; B. Castro 2008-8-17 9673 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. Near moist bed of small rocky drainage channel. On moist slope on the side of the drainage. 2372 Comment
  UC1586941  Carex amplifolia Juha Pykala and D. H. Norris 1987-5-27 1071 Modoc by a little springy stream that runs to Rush Creek (Upper Rush Creek Campground); Modoc National Forest, Upper Rush Creek Campground 1550 Comment
  RSA577787  Carex aquatilis var. aquatilis L. C. Wheeler 1935-8-16 3871 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer 2226 Comment
  CAS-BOT-BC242374  Carex athrostachya Annie Montague Alexander; L. Kellogg 1946-7-18 5023 Modoc Benton Meadow. 2072 Comment
  UC1024336  Carex athrostachya Annie M. Alexander and Louise Kellogg 1946-7-18 5023 Modoc Benton Meadow Warner Mountains 2072 Comment
  UC70607  Carex aurea M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mts. Comment
  SEINET13347319  Carex capitata N. Otting, D. Lytjen 2004-9-2 970 Modoc South Warner Mountains, outlet of Patterson Lake, 18 air miles southeast of Alturas 2743 Comment
  JEPS124307  Carex douglasii Lowell Ahart, John Dittes 2015-7-15 20338 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
  UC1036067  Carex heteroneura Annie M. Alexander and Louise Kellogg 1946-7-19 5030 Modoc Benton Meadow, Warner Mountains Comment
  JEPS114911  Carex lanuginosa Lowell Ahart, John Dittes 2008-8-26 15355 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC245182  Carex microptera James D. Jokerst 1983-7-18 1844 Modoc Miller's Flat, NW of Aden. Comment
  UC1100495  Carex nebrascensis Herbert L. Mason, Verne Grant 1947-7-12 13435 Modoc n Likely; Corporation Ranch Headquarters Comment
  HSC48331  Carex rostrata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19361 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC245152  Carex simulata R. L. Ward 1976-5-18 Modoc Pine Spring. 1508 Comment
  UC1540257  Carex simulata Dean Wm. Taylor, Glenn L. Clifton 1987-6-24 9057 Modoc border of meadow tributary to lakebed Egg Lake 1280 Comment
  CAS-BOT-BC117016  Carex straminiformis Elmer Ivan Applegate 1932-8-1 8063 Modoc Summit of Warner Mountains just S of Warren Peak. Comment
  HSC75587  Carex straminiformis G. M. Riegel 1979-7-30 625 Modoc S Warner Mtns. 1829 Comment
  UC1024332  Carex straminiformis Annie M. Alexander and Louise Kellogg 1946-7-17 5007 Modoc Benton Meadow Warner Mountains 2072 Comment
  RSA252447  Carex subfusca Robert F. Thorne, C. W. Tilforth 1969-9-5 39155 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  JEPS101131  Carex vernacula Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10439 Modoc Warner Mountains; east face Emerson Peak 2560 Comment
  UC190430  Carex vesicaria M. S. Baker and Frank Nutting 1894-5-26 Modoc Goose Valley Comment
  CAS-BOT-BC242392  Carex whitneyi Annie Montague Alexander; L. Kellogg 1946-7-18 5018 Modoc Benton Meadow area. 2072 Comment
  UC1024333  Carex whitneyi Annie M. Alexander and Louise Kellogg 1946-7-18 5018 Modoc near Benton Meadow; Warner Mountains 2072 Comment
  SBBG30607  Castilleja applegatei D. Myrick 1968-6-20 1971 Modoc Cedar Pass, St Hwy 299, 20 mi E of Alturas 1828 Comment
  CAS-BOT-BC225978  Castilleja applegatei subsp. pinetorum C. C. (Mrs.) Bruce 1894-8-1 70 Modoc Davis Creek. Comment
  CAS-BOT-BC225990  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Mona Bourell 1990-4-28 5203 Modoc 1.9 km SE of Rush Creek on road up Hunters Ridge. 1430 Comment
  CAS-BOT-BC225991  Castilleja applegatei subsp. pinetorum Francis Whittier Pennell 1940-6-8 25741 Modoc Upper western slope near Cedar Pass, Warner Mountains, NE of Alturas 1920 Comment
  CAS-BOT-BC225993  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-13 8144 Modoc Fandango Pass. Comment
  CAS-BOT-BC229813  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-6-24 4363 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  CAS-BOT-BC229815  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-7-21 4458 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  JEPS29112  Castilleja applegatei subsp. pinetorum Lauramay T. Dempster 1961-6-20 1717 Modoc just n Dismal Creek Road with Fort Bidwell Road; Warner mts. 2346 Comment
  UC103495  Castilleja applegatei subsp. pinetorum Mrs. R. M. Austin Jun 1894 278 Modoc hills near Willow Creek Comment
  UC1713291  Castilleja applegatei subsp. pinetorum Mrs. Austin Jun 1894 Modoc Goose Lake Valley Comment
  UC885467  Castilleja applegatei subsp. pinetorum C. L. Hitchcock 1940-5-27 6677 Modoc 15 mi ne Alturas 1615 Comment
  UC986478  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-7-18 5017 Modoc Benton Meadow; Warner Mountains 2072 Comment
  UC986480  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-27 4844 Modoc 2 mi from by road Dismal Swamp (Highgrade, n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  CAS-BOT-BC226012  Castilleja arachnoidea Bruce Bartholomew 1995-8-1 7162 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  JEPS4831  Castilleja arachnoidea Mrs. M. H. Manning 1903-1 361 Modoc near Fort Bidwell (ne Modoc County) Comment
  JEPS29113  Castilleja arachnoidea Lauramay T. Dempster 1961-6-20 1718 Modoc just n junction of Dismal Creek Road with Fort Bidwell Road; Warner Mts. 2346 Comment
  UC27233  Castilleja arachnoidea Milo S. Baker 1893-6 Modoc Comment
  JEPS86371  Castilleja lacera Jack and Betty Guggolz 1988-6-30 969 Modoc near Old Canyon Mill Road Comment
  JEPS13374  Castilleja linariifolia Herbert L. Mason 1955-8-14 14654 Modoc sw side Goose Lake (at Fletcher's Place) Comment
  UC725308  Castilleja linariifolia A. A. Heller 1940-6-29 15746 Modoc about 5 mi w Alturas (on U.S. Hwy 299) Comment
  RSA305823  Castilleja longispica James R. Shevock 1972-5-20 1806 Modoc N of Alturas, Hwy 299. 1372 Comment
  RSA82265  Castilleja miniata F. W. Peirson 1926-6-25 6887 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  UC986479  Castilleja miniata Annie M. Alexander and Louise Kellogg 1946-7-12 4978 Modoc Cowhead Lake Comment
  CAS-BOT-BC241006  Castilleja pilosa John Thomas Howell 1934-6-12 11993 Modoc 6 miles s. of Davis Creek Comment
  CAS-BOT-BC241010  Castilleja pilosa Mrs. H. C. Cantelow 1940-5-31 s.n. Modoc 8 mi. E. of Indian Springs Comment
  CAS-BOT-BC241011  Castilleja pilosa Marion Ownbey; Fred G. Meyer 1940-7-1 2140 Modoc North slopes, Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC241013  Castilleja pilosa M. H. Manning 1907-1-1 s.n. Modoc 12 Mile Creek E. side of Mt. Bidwell, N.E. Modoc Co. Comment
  CAS-BOT-BC241015  Castilleja pilosa A. A. Heller 1941-6-25 16199 Modoc On the Cedarville road west of the ascent to Cedar Pass Comment
  CHSC117765  Castilleja pilosa L. P. Janeway 2016-5-16 11990 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. Transition area between a large open rocky flat into open yellow pine forest with scattered juni-pers, low sage. 1573 Comment
  CAS-BOT-BC226077  Castilleja tenuis Francis Dorris Payne 1931-6-12 158 Modoc Parker Creek, Warner Mountains 1584 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
  JEPS76810  Castilleja tenuis Theodore F. Niehaus 1978-6-28 952 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 sec. 13) Comment
  UC71740  Castilleja tenuis Mrs. M. H. Manning Jul 1904 396 Modoc 6 mi below Ft. Bidwell (Alkali Lake, ne Modoc County); Alkali Lake Comment
  UC1281475  Ceanothus X flexilis H. E. McMinn 1941-8-27 5396 Modoc 0.5 mi from junction of highways 89 and 299 on way to Alturas; on way to Alturas Comment
Read comments Jun 3 2009
  CAS-BOT-BC48468  Ceanothus cuneatus John H. Hatton 1911-6-16 96 Modoc Stone Coal Road 1371 Comment
  CAS-BOT-BC217136  Ceanothus cuneatus var. cuneatus W. Knight; Irja Knight 1981-5-25 4111 Modoc White Horse Road near Egg Lake. 1249 Comment
  UC659061  Ceanothus cuneatus var. cuneatus H. E. McMinn 1941-8-27 5405 Modoc 12-13 mi from Lookout; Egg Lake Comment
  CAS-BOT-BC217148  Ceanothus prostratus A. D. Borden 1911-5-20 s.n. Modoc W slope Sugar Hill. Comment
  POM85312  Ceanothus prostratus R. M. Austin 1895-06 53 Modoc Sugar Hill Comment
  RSA564302  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 1993-5-4 139 Modoc 16.1 miles northwest of Canby. Along California Highway 139. 1280 Comment
  RSA647819  Ceanothus prostratus William Gilbert 1969-6-30 s.n. Modoc off route 36, out of Susanville, 10 miles from eagle Lake Comment
  UC1035976  Ceanothus velutinus Helen K. Sharsmith 1955-6-25 4505 Modoc on trail to Mill Creek Falls and Clear Lake (Warner Mountains); Modoc National Forest, Warner Mountains 1752 Comment
  UC1281456  Ceanothus velutinus H. E. McMinn 1931-5-23 2472 Modoc Fandango Pass Warner Mts., Fandango Pass Comment
  UC526159  Ceanothus velutinus var. velutinus John Thomas Howell 1934-6-12 12059 Modoc Warner Mountains 1828 Comment
  CDA34204  Centaurea cyanus L. Ahart, J. Dittes 2010-8-31 17100 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS117475  Centaurea cyanus Lowell Ahart, John Dittes 2010-8-31 17100 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC912667  Centaurea cyanus F. H. Frost 1925-7-24 124 Modoc Jess Valley Warner Mountains, Jess Valley Comment
  CAS-BOT-BC95500  Ceratophyllum demersum Bruce Bartholomew 1992-8-7 6353 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  JEPS13215  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-6 Modoc Forestdale Comment
  UC466617  Cercocarpus betuloides var. macrourus Franklin P. Nutting Modoc Big Valley Mountains Comment
  UCD22471  Cercocarpus betuloides var. macrourus Brian Vanden Heuvel 2003-4-11 200 Modoc Rush Creek Campground in Modoc National Forest, about 10 miles north of Adin and 6 miles south of Adin Pass. Comment
  HSC80691  Cercocarpus ledifolius G. M. Riegel 1979-9-1 725 Modoc S Warner Mtns. 1739 Comment
  SEINET191906  Cercocarpus ledifolius C. L. Hitchcock 1940-5-27 6689 Modoc On sagebrush knoll; 15 miles northeast of Alturas 1615 Comment
  CAS-BOT-BC214645  Cercocarpus ledifolius var. ledifolius A. D. Borden 1911-8-9 s.n. Modoc S. side of Shields Creek Comment
  JEPS44707  Cercocarpus ledifolius var. ledifolius Frances D. Payne 1931-6-17 160 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC859417  Cercocarpus ledifolius var. ledifolius Lewis S. Rose 1940-6-13 40553 Modoc Fandango Pass 1905 Comment
  HSC5249  Chaenactis douglasii var. douglasii M. T. Milligan 1966-6-19 473 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC197526  Chamaebatiaria millefolium Mrs. M. H. Manning s.n. Modoc NW Modoc County. Comment
  CAS-BOT-BC248327  Chamaesaracha nana B. Bartholomew; H. Sun 2002-6-24 8820 Modoc Just SW of Manzanita Mt. and ca. 15 straight line km NW of Aden 2000 Comment
  UC884531  Chamaesaracha nana C. L. Hitchcock 1940-5-27 6700 Modoc 15 mi ne Alturas 1615 Comment
  CHSC106186  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2010-8-31 17116 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, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  NY1001694  Chamaesyce serpyllifolia M. J. Williams 1985-8-13 85- 66 --2 Modoc Big Sage Reservoir. Northwest of Alturas 1524 Comment
  UC17672  Chamaesyce serpyllifolia Milo S. Baker 1893-7-25 Modoc on island Egg Lake Comment
  CAS-BOT-BC30192  Cheilanthes gracillima Franklin P. Nutting 1894-8-25 Modoc Forestdale Comment
  UC399622  Cheilanthes gracillima F. P. Nutting 1900-8-25 Modoc Forestdale Comment
  CHSC99959  Chenopodium album Lowell Ahart; John Dittes 2008-8-25 15276 Modoc On the west bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC95516  Chenopodium berlandieri Bruce Bartholomew 1990-8-3 5596 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CAS-BOT-BC95521  Chenopodium foliosum Leland S. Smith 1920-8-12 21 Modoc Cantrall's Mill. 1828 Comment
  UC1191339  Chenopodium hians Herbert L. Mason and Verne Grant 1947-7-10 13345 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UCD98317  Chenopodium murale Herbert L. Mason 1947-8-15 13555 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  RSA624455  Chenopodium rubrum L. C. Wheeler 1935-8-18 3896 Modoc 2 miles northeast of Alturas 1357 Comment
  UC70347  Chimaphila menziesii Milo S. Baker July 1898 535 Modoc Forestdale Comment
  SEINET7220233  Chimaphila menziesii M. S. Baker 1896-5-15 66 Modoc Forestdale Comment
  NY188266  Chimaphila umbellata B. M. Bartholomew 1989-8-10 5044 Modoc 8.7 km E of Day on County Road 94 Comment
  HSC80767  Chimaphila umbellata G. M. Riegel 1979-8-21 680 Modoc S Warner Mtns. 1670 Comment
  JEPS58873  Chimaphila umbellata L. S. Smith 1917-9-18 162 Modoc Warner Mts., Lassen Creek 1889 Comment
  POM166648  Chrysolepis sempervirens Baker, Nutting 1893-06 3262 Modoc Squaw Valley, near Mt. Shasta. Comment
  CAS-BOT-BC15033  Chrysothamnus humilis John Thomas Howell 1934-7-1 12348 B Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC15038  Chrysothamnus nauseosus subsp. albicaulis Belknap C. Goldsmith 1910-7-28 15 Modoc Fandango Creek. 1554 Comment
  CAS-BOT-BC15043  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11064 Modoc Caldwell Butte, north base, Lava Beds National Monument. Comment
  CAS-BOT-BC15045  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-23 11075 Modoc South base of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC15046  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1897-6-5 857 Modoc N of Canby. Comment
  CAS-BOT-BC15048  Chrysothamnus nauseosus subsp. albicaulis Philip Alexander Munz 1951-9-14 16980 Modoc Jess Valley. 1615 Comment
  POM41246  Chrysothamnus nauseosus subsp. albicaulis Mrs. R. M. Austin 1895-07 542 Modoc Alturas Comment
  CAS-BOT-BC15035  Chrysothamnus nauseosus subsp. consimilis Francis Dorris Payne 1931-9-18 341 Modoc Parker Creek, Warner Mountains 1584 Comment
  SEINET10757947  Chrysothamnus nauseosus subsp. washoensis Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 927 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
  SEINET5926447 Image available Chrysothamnus nauseosus var. speciosus E. K. Balls, P. C. Everett 1952-1 18152 Modoc Off rd to Fandango Pass, 2 I SE of Buck's Creek Ranger Station Comment
  UCR57482  Chrysothamnus viscidiflorus subsp. latifolius R. D. Goeden, D. Ricker 1989-8-23 890823- 19 Modoc Warner Mtns., Modoc National Forest, Fandango Pass, just west of Warner Mtn. 1841 Comment
  CAS-BOT-BC14993  Chrysothamnus viscidiflorus subsp. viscidiflorus Isabelo T. Kelly 1930-1-1 57 Modoc unspecified Comment
  CAS-BOT-BC14995  Chrysothamnus viscidiflorus subsp. viscidiflorus Francis Dorris Payne 1935-8-25 812 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC14998  Chrysothamnus viscidiflorus subsp. viscidiflorus Delzie Demaree 1959-8-15 41478 Modoc Howard Gulch, Modoc National Forest near Canby Comment
  CHSC85170  Chrysothamnus viscidiflorus subsp. viscidiflorus John Dittes; Josephine Guardino 1991-7-21 391 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
  JEPS31102  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest C. Twisselmann 1961-9-22 6573 Modoc Warner Mountains, Jess Valley 1676 Comment
  SEINET10879186  Chrysothamnus viscidiflorus subsp. viscidiflorus Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 926 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
  RSA252371  Cicuta douglasii R. F. Thorne, C. W. Tilforth 1969-9-5 39160 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  UC572967  Cicuta douglasii Louis C. Wheeler 1935-9-22 3997 Modoc Pit River at Rattlesnake Butte, Warm Springs Valley Warm Springs Valley; Pit River, Rattlesnake Butte, Warm Springs Valley 1341 Comment
  CDA38299  Cicuta douglasii T. C. Fuller 1964-10-8 12701 Modoc West side of Highway 395 at southern limits of Likely. 0 Comment
  CAS-BOT-BC191007  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1988-7-22 4526 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  UCR57505  Cirsium arvense R. D. Goeden, Don W. Ricker 1989-8-23 890823- 13 Modoc Modoc National Wildlife Refuge, Alturas 1341 Comment
  CDA1061  Cirsium arvense T. C. Fuller 1959-7-8 2746 -B Modoc Grainfield, 1.5 mi. South of Tulelake. 0 Comment
  SJSU9621  Cirsium arvense W. Savage 1979-7-6 1428 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC14957  Cirsium cymosum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 70 Modoc Above Parker Creek. 1981 Comment
  CAS-BOT-BC14970  Cirsium cymosum Bruce Bartholomew 1989-7-15 5002 Modoc Sweagert Flat. 1860 Comment
  CDA1165  Cirsium cymosum T. C. Fuller 1959-7-8 2761 Modoc Hwy 299; 8 mi. west of Alturas. 0 Comment
  CDA14604  Cirsium cymosum G. D. Barbe 1991-8-27 4444 Modoc Warner Mountains; east of Bald Mountain, Modoc National Forest. 2316 Comment
  CDA15027  Cirsium cymosum B. Villegas 1998-8-19 s.n. Modoc Cascade Range; Nr. New Pine Creek, 3.6 mi. E of Fandango Pass on Hwy 395. Comment
  CDA36038  Cirsium cymosum CDFA Staff Jul 1985 Modoc Alturas. 0 Comment
  CAS-BOT-BC14926  Cirsium douglasii var. breweri Louis Cutter Wheeler 1935-9-10 3966 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  CAS-BOT-BC14928  Cirsium occidentale var. candidissimum K. Paulson; Robert Paulson 1988-7-13 80 Modoc Juniper Flat, Jess Valley. 1402 Comment
  CDA37886  Cirsium ochrocentrum CDFA Staff 1991-1 s.n. Modoc Alturas. 0 Comment
  CDA1508  Cirsium ochrocentrum var. ochrocentrum G. D. Barbe 1982-7-13 3885 Modoc NE of Alturas, 0.5 mi. N of Hwy 395 at Woodrich & Pencil Rds. 0 Comment
  CAS-BOT-BC228711  Cistanthe umbellata John Thomas Howell 1934-6-14 12152 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC190999  Clarkia Fred. P. Cronemiller 1920-7-1 18 Modoc N slope back of Fillingim's. Comment
  UC748412  Clarkia gracilis subsp. gracilis Annie M. Alexander and Louise Kellogg 1946-6-12 4738 Modoc w side Fandango Pass road 1706 Comment
  CAS-BOT-BC191052  Clarkia lassenensis John Thomas Howell 1934-6-13 12069 Modoc Fandango Pass. 1828 Comment
  UC1586086  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Hwy 139 ca. 50 airmiles s.w. Klamath Falls (a few mi. n. of Agric. Inspection Sation, 1 mi. s. of s. junction ot Lava Beds Nat'l Monument, e. of Tonesta) 1310 Comment
  UC422930  Clarkia lassenensis Milo S. Baker Aug. 1898 525 Modoc Forestdale Taylor Mt. Comment
  UC71665  Clarkia lassenensis Mrs. M. H. Manning June 1903 154 Modoc near Fort Bidwell Comment
  RSA134427  Clarkia lassenensis Peter H. Raven, Otto T. Solbrig 1958-6-18 13314 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  RSA101361  Clarkia rhomboidea R. Weatherby 1955-7-8 1622 Modoc 6 miles N of Ft. Bidwell. Northern Warner Mtns. 1738 Comment
  CAS-BOT-BC197443  Claytonia lanceolata Bruce Bartholomew; Barrett Anderson 1989-6-2 4842 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC197445  Claytonia lanceolata Annie Montague Alexander; L. Kellogg 1946-6-15 4773 Modoc Deep Creek. 2133 Comment
  SEINET195685 Image available Claytonia lanceolata Annie M. Alexander, Louise Kellogg 1946-6-15 4773 Modoc Deep Creek 2130 Comment
  UC7862  Claytonia lanceolata Mrs. R. M. Austin Jun 1898 Modoc Lake City canyon Comment
  SEINET5336342  Claytonia lanceolata M. J. Williams 1968-5-31 1152 Modoc Cedar Pass Comment
  UC7861  Claytonia lanceolata Milo S. Baker 1893-6-12 4500 A Modoc Comment
  CAS-BOT-BC197440  Claytonia megarhiza Elmer Ivan Applegate 1932-8-3 8125 Modoc Summit of Eagle Peak, Warner Mts. 2743 Comment
  UC1573168  Claytonia megarhiza Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10435 Modoc e-face Emerson Peak (Emerson Creek drainage); Warner Mountains, , Emerson Creek 2560 Comment
  CAS-BOT-BC197441  Claytonia parviflora subsp. parviflora Bruce Bartholomew 1994-5-14 6679 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  POM102036  Claytonia rubra Mrs. R. M. Austin 1895-06 472 Modoc Goose Lake Valley Comment
  RSA59934  Claytonia rubra E. K. Balls 1950-5-12 14640 Modoc above Bucks Creek Ranger Station, Modoc National Forest; east of Goose Lake. 1768 Comment
  CHSC85127  Claytonia rubra subsp. depressa John Dittes; Josephine Guardino 1991-6-1 354 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
  UC13644  Claytonia umbellata Milo S. Baker 1893-1 Modoc Comment
  SEINET10548294  Collinsia parviflora Jeffrey Huber 1971-6-3 Huber 100 Modoc 5 mi. S of Canby on Calif. Hwy. 299. 1280 Comment
  UC153506  Collinsia torreyi var. latifolia Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC217637  Collinsia torreyi var. wrightii Mrs. R. M. Austin Aug 1894 179 Modoc Headwaters of Lassen Creek Lassen Creek; Headwaters of Lassen Creek Comment
  UC1191644  Collomia grandiflora Verne Grant and A. Grant 1947-7-13 8018 Modoc Fandango Pass Warner Mountains Comment
  UCD118163  Collomia grandiflora J. M. Tucker 1950-7-25 1972 Modoc Beside Highway 139, 26.4 miles SE of Tule Lake. Comment
  CAS-BOT-BC190736  Collomia grandiflora Mrs. H. C. Cantelow 1940-5-31 4107 Modoc E of Canby. Comment
  UC748268  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1946-6-12 4741 Modoc e side Fandango Pass road 1539 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
  RSA59575  Collomia linearis Verne Grant, Alva Grant 1950-7-14 8949 Modoc near base of Cedar Mt. ridge, Warner Mts. 1982 Comment
  CAS-BOT-BC190718  Collomia tinctoria Betty J. Hammerly 1941-6-20 41 Modoc Clear Lake public camp. 1767 Comment
  UC748266  Collomia tinctoria Annie M. Alexander and Louise Kellogg 1946-6-28 4864 Modoc Pine Creek Canyon Warner Mts. (n end of mountains) Comment
  SEINET4676264  Cordylanthus capitatus B. Bartholomew, Anderson 1988-7-23 4560 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains. Fort Bidwell 15 foot Quad.; 0 2140 Comment
  UC1587092  Cordylanthus maritimus subsp. canescens G. Schoolcraft 1991-7-24 2185 Modoc ne Middle Alkali Lake; Leonard Hot Spring 1386 Comment
  UC1736400  Cordylanthus maritimus subsp. canescens Dean W. Taylor 1989-8-6 10503 Modoc Warner Mountains, Suprise Valley, warm spring on west shore Lower Lake 1363 Comment
  UC199371  Cordylanthus tenuis subsp. viscidus Franklin P. Nutting Modoc Big Valley Mts. Comment
  CAS-BOT-BC95599  Cornus sericea John H. Hatton 1911-6-17 119 Modoc unspecified 1219 Comment
  POM77924  Cornus stolonifera Mrs. R. M. Austin 1893-07 503 Modoc Davis Creek Comment
  CAS-BOT-BC197572  Crataegus douglasii Elmer Ivan Applegate 1897-6-5 848 Modoc unspecified Comment
  JEPS123834  Crataegus douglasii Lowell Ahart, John Dittes 2015-7-17 20396 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
  HSC81021  Crepis acuminata G. M. Riegel 1979-7-14 544 Modoc South Warner Mtns. 1739 Comment
  CAS-BOT-BC14911  Crepis acuminata Leland S. Smith 1924-6-29 1429 Modoc unspecified Comment
  CAS-BOT-BC14923  Crepis bakeri Bruce Bartholomew 1991-7-4 5912 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC14925  Crepis bakeri Bruce Bartholomew; Barrett Anderson 1990-7-20 5479 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CHSC118085  Crepis bakeri subsp. bakeri L. P. Janeway 2016-5-17 12012 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  JEPS89244  Crepis modocensis Lauramay T. Dempster 1961-6-18 1683 Modoc peak just s Cedar Pass Comment
  HSC81043  Crepis modocensis subsp. modocensis G. M. Riegel 1980-7-29 960 Modoc S Warner Mtns. 1670 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
  CHSC70465  Crepis occidentalis A. Sanger 1997-6-3 2481 Modoc Along Mowitz Rd, at Boles Cr. crossing. Upland above creek. 1463 Comment
  HSC81044  Crepis occidentalis subsp. occidentalis G. M. Riegel 1979-7-5 490 Modoc S Warner Mtns. 1670 Comment
  CHSC115477  Crepis occidentalis subsp. pumila L. P. Janeway 2014-7-8 11462 Modoc Modoc Plateau. 1650 Comment
  HSC5450  Crepis occidentalis subsp. pumila M. T. Milligan 1965-7-1 411 Modoc Plateau W of Jess Valley. 1829 Comment
  CAS-BOT-BC95594  Cressa truxillensis R. M. Austin 1894-8-1 s.n. Modoc Davis Creek. Comment
  CAS-BOT-BC14834  Crocidium multicaule Bruce Bartholomew 1991-5-25 5749 Modoc Ca. 1 km W of Tionesta. 1320 Comment
  RSA564303  Crocidium multicaule George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles northwest of Canby. Along California Highway 139. 1280 Comment
  CDA36317  Crupina vulgaris CDFA Staff 1992-1 Modoc 0 Comment
  SJSU9644  Crypsis alopecuroides W. Savage 1979-7-8 1473 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC113086  Crypsis schoenoides Lowell Ahart; John Dittes 2013-7-24 18913 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  SJSU9643  Crypsis vaginiflora W. Savage 1979-7-8 1473 .5 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD120115  Cryptantha Herbert L. Mason; Verne Grant 1947-7-9 13316 Modoc Cedar Pass, summit of Warner Range. 1920 Comment
  CAS-BOT-BC54128  Cryptantha affinis John Thomas Howell 1934-6-13 12045 Modoc Fandango Pass. 1828 Comment
  UC857049  Cryptantha ambigua Milo S. Baker 1936-6-14 8311 Modoc several mi n Quarantine Station (along highway Malin to Canby) Comment
  UCD119058  Cryptantha ambigua Collector unknown 1950-1 s.n. Modoc Modoc County. Comment
  CHSC27608  Cryptantha humilis Robert Schlising 1978-7-29 3327 Modoc Warner Mountains, directly E of Warren Peak. 2852 Comment
  CAS-BOT-BC54107  Cryptantha intermedia Roxana Stinchfield Ferris; R. Duthie 1919-6-13 33 Modoc Above Parker Creek at Modoc Nat. Forest Boundary. Comment
  POM204138  Cryptantha intermedia J. T. Howell 1934-6-11 11983 Modoc Parker Creek, Warner Mts. 1585 Comment
  UC1191650  Cryptantha intermedia Herbert L. Mason and Verne Grant 1947-7-13 13447 Modoc near Goose Lake (on road to Fort Bidwell, w end of Fandango Pass); Fandango Pass Comment
  RSA164360  Cryptantha intermedia Clare B. Hardham 1961-6-18 7545 Modoc 3 miles east of Cedar Pass. 1829 Comment
  CAS-BOT-BC54114  Cryptantha simulans John Thomas Howell 1934-6-13 12043 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC54119  Cryptantha sobolifera Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2134 Modoc Cedar Pass, Warner Mountains Comment
  UC705774  Cryptantha subretusa Marion Ownbey, Fred G. Meyer 1940-7-1 2134 Modoc Cedar Pass Warner Mts. Comment
  CAS-BOT-BC54123  Cryptantha torreyana John Thomas Howell 1934-6-11 11984 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54125  Cryptantha torreyana John Thomas Howell 1934-6-11 11984 Modoc Parker Creek. 1584 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
  UC1321448  Cupressus bakeri C. O. Stone 1964-6-20 COS 292 Modoc 200 yds e Modoc-Siskiyou County line (on logging road); Fall River Mills Quad. 1072 Comment
  UC1321449  Cupressus bakeri C. O. Stone 1964-6-20 COS- 291 Modoc just w of n 1/4 Cor. of Sec. 18 (at logging road crossing: NE1/4, NE1/4, NW1/4); Fall River Mills Quad. 1085 Comment
  JEPS2550 Image available Cupressus bakeri Milo S. Baker Aug 1898 Modoc Between Hills Farm (near Dana, SE Siskiyou Co.) & Little Hot Springs Valley (SW Modoc Co.),Modoc Co. Comment
  UC24758  Cynoglossum occidentale Milo S. Baker 1893-7-10 Modoc Forestdale Comment
  UC698533  Cyperus squarrosus Louis C. Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  UCR168541  Cyperus squarrosus L. C. Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  RSA17704  Cystopteris fragilis Elmer I. Applegate 1932-8-2 8096 Modoc Mill Creek Meadows, west slope Warner Mountains, rocks along stream 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
  HSC2885  Damasonium californicum M. T. Milligan 1964-7-1 112 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  UC529  Damasonium californicum Milo S. Baker 1893-7-25 5828 Modoc Egg Lake Comment
  RSA504602  Damasonium californicum Bruce Bartholomew, B. Anderson 1988-6-23 4272 Modoc 4 km W of Day on County road 94. 1340 Comment
  UCD60463  Danthonia californica L. Whitney 1935-7-7 3401 Modoc Howard Gulch. Comment
  UC163598  Danthonia unispicata Milo S. Baker Modoc near Egg Lake Comment
  JEPS121206  Deinandra lobbii Lowell Ahart, John Dittes 2013-7-25 18958 Modoc 30 yards N of the E-W fence, south edge of Ash Creek Floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air miles S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  UCD131042  Deinandra lobbii M. Dale Christensen 1989-8-28 s.n. Modoc Modac/Lassen County Line: ca. 2 miles south of Lookout. Comment
  CAS-BOT-BC217344  Delphinium depauperatum Bruce Bartholomew; Barrett Anderson 1989-6-2 4841 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC217314  Delphinium nuttallianum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6504 Modoc Fletcher Creek near crossing by Crowder Flat Road. 1600 Comment
  CAS-BOT-BC217317  Delphinium nuttallianum Bruce Bartholomew; Mona Bourell 1990-4-27 5175 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  RSA27686  Delphinium nuttallianum C. L. Hitchcock 1940-5-27 6705 Modoc 15 miles NE of Alturas. 1677 Comment
  UCSB17309  Delphinium nuttallianum Haller, John 1961-6-25 Modoc Eagleville-Likely road; 0.5 mi W of crest of Warner Mountains; about 3 mi E of Patterson Ranger Station 2286 Comment
  UC912535  Delphinium stachydeum F. H. Frost 1925-7-25 157 Modoc Eagle Peak Warner Mts. Comment
  CAS-BOT-BC242477  Deschampsia danthonioides Alan Ackerman Beetle 1941-6-29 2838 Modoc S slope of Mt. Adin. Comment
  HSC9594  Deschampsia danthonioides M. T. Milligan 1964-7-1 115 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  POM319517  Deschampsia danthonioides Patricia Wilder 1971-6-20 5081 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
  UCD61404  Deschampsia danthonioides A. A. Beetle 1941-6-29 2838 Modoc South slope of Mt. Adin. Comment
  UCD62860  Deschampsia danthonioides Charlotte Glenn 1967-6-18 106 Modoc Modoc National Forest, near Egg Lake, ca. 16 miles north of Bieber. 1310 Comment
  SEINET10524162  Deschampsia danthonioides Alan A. Beetle 1941-6-29 Beetle 2838 Modoc South slope of Mt. Adin, sandy disturbed soil in roadside ditch. Comment
  CAS-BOT-BC247770  Deschampsia elongata Bruce Bartholomew; Barrett Anderson 1988-7-23 4598 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  CAS-BOT-BC247771  Deschampsia elongata Bruce Bartholomew; Barrett Anderson 1990-7-20 5496 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC247773  Deschampsia elongata Gary Schoolcraft; et al 1988-7-16 1828 Modoc Ca. 1 mi. SE of Pepperdine Camp. 2316 Comment
  CHSC85398  Deschampsia elongata John Dittes; Josephine Guardino 1991-8-24 459 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
  HSC80821  Deschampsia elongata G. M. Riegel 1980-8-7 1006 Modoc S Warner Mtns. 2100 Comment
  JEPS68508  Deschampsia elongata Leland S. Smith 1918-8-10 1069 Modoc Silver Creek Comment
  JEPS68509  Deschampsia elongata Leland S. Smith 1918-1 Modoc Comment
  UC117453  Descurainia incisa subsp. filipes Mrs. R. M. Austin May 1894 19 Modoc Goose Lake Valley Comment
  HSC6719  Descurainia incisa subsp. incisa M. T. Milligan 1964-7-25 189 Modoc Pine Creek Basin, along trail. 2439 Comment
  SEINET5343283  Descurainia incisa var. viscosa M. J. Williams 1984-6-30 84- 80 -5 Modoc Seepage area near a reservoir 6.8 miles west of Cedarville-Gerlach road. 1981 Comment
  CAS-BOT-BC58606  Descurainia paradisa Bruce Bartholomew 1993-6-13 6637 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  CAS-BOT-BC58610  Descurainia pinnata subsp. brachycarpa John Thomas Howell 1934-6-13 12065 A Modoc Fandango Pass, Warner Mts. 1828 Comment
  CAS-BOT-BC58439  Descurainia sophia Bruce Bartholomew; Barrett Anderson 1988-6-25 4381 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC58441  Descurainia sophia Isabelo T. Kelly 1930-1-1 29 Modoc Modoc County. Comment
  NY126141  Descurainia sophia B. M. Bartholomew 1988-6-25 4381 Modoc SW side of Jess Valley, Warner Mtns. 1540 Comment
  NY500203  Dicentra uniflora B. M. Bartholomew 1988-5-13 4158 Modoc 4 km northwest of Pepperdine, gentle west-facing slope near top of the Warner Mountains 1760 Comment
  UC9944  Dicentra uniflora Mrs. R. M. Austin Jul 1898 2154 Modoc Mt. Bidwell Comment
  CAS-BOT-BC242119  Dichelostemma capitatum subsp. capitatum Bruce Bartholomew; Mona Bourell 1990-4-26 5148 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC242115  Dichelostemma multiflorum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 68 Modoc Near Parker Creek, 15 mi. from Alturas. Comment
  HSC81136  Dieteria canescens var. canescens G. M. Riegel 1980-9-3 1132 Modoc South Warner Mountains 1739 Comment
  UC748385  Dieteria canescens var. shastensis Annie M. Alexander and Louise Kellogg 1946-8-8 5122 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  CAS-BOT-BC14839  Dimeresia howellii Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2136 Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC14841  Dimeresia howellii Helen Katherine Sharsmith 1955-6-23 4490 Modoc North of State Highway 28, and 6.7 miles east of Cedar Campground 1859 Comment
  JEPS102209  Dimeresia howellii J. Greenhouse 2001-6-9 5014 Modoc Warner Mountains, E end of ridge about 1.5 mi due E of Bald Mountain 2215 Comment
  CHSC57228  Diplacus cusickii David M. Thompson 1988-7-23 975 Modoc E side of Warner Mts. 3.7 mi S of Hwy 299 (at Cedarville) along Surprise Valley Road, then 1.5 mi W along Granger Canyon Road. 1500 Comment
  CAS-BOT-BC234488  Diplacus nanus Elmer Ivan Applegate 1897-6-2 889 Modoc Pit River Valley S of Alturas. Comment
  CAS-BOT-BC234438  Diplacus tricolor Bruce Bartholomew 1993-6-12 6599 Modoc Edge of White Horse Reservoir near McArther Cow Camp. 1350 Comment
  JEPS14683  Dodecatheon alpinum Frances D. Payne 1929-7-7 65 Modoc 2 mi sw Warren Peak (Pine Creek Basin, Warner Mts.); Warner Mts., sw of Warren Peak, Pine Creek Basin 2133 Comment
  UC640440  Dodecatheon alpinum Elmer I. Applegate 1932-8-7 8228 Modoc along mossy stream at Lily Lake Warner Mountains, , Lily Lake (Bidwell Pass) Comment
  RSA59365  Dodecatheon conjugens E. K. Balls 1950-5-11 14628 Modoc 8.1 miles NE of Fort Bidwell, above Cow Head Lake, along 8-mile Creek. 1463 Comment
  UC22374  Dodecatheon conjugens Mrs. C. C. Bruce June 1898 2802 Modoc <?>ake<?>ly Mt. Comment
  SEINET195708 Image available Dodecatheon conjugens var. conjugens Annie M. Alexander, Louise Kellogg 1946-6-8 4695 Modoc Road from Ealville to Patterson Mill. Comment
  CDA13455  Downingia bacigalupii G. F. Hrusa, T. D. Wilfred 1996-7-21 13302 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC117251  Downingia bacigalupii Lowell Ahart; John Dittes 2016-7-14 21165 Modoc West side of new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS126542  Downingia bacigalupii Lowell Ahart, John Dittes 2016-6-6 20962 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
  UC1191989  Downingia bacigalupii Herbert L. Mason and Verne Grant 1947-7-12 13414 Modoc s of Alturas (near s end of w side road); Pit River Valley Comment
  POM253177  Downingia bacigalupii A. A. Heller 1938-6-24 15229 Modoc Near Adin, along U.S. Hwy 299. 1280 Comment
  POM68163  Downingia bacigalupii Mrs. R. M. Austin 1895-07 119 Modoc Willow Creek (Devils Garden) Comment
  RSA149135  Downingia bacigalupii I. L. Wiggins, Dorothy Wiggins 1961-6-15 16515 Modoc 13 miles W of Canby, along Hwy 139. Comment
  RSA436117  Downingia bacigalupii L. S. Rose 1940-6-11 40511 Modoc Canby. 1326 Comment
  UCD37474  Downingia bicornuta Beecher Crampton 1960-6-17 5701 Modoc Modoc County, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station, McKay Flat. 1280 Comment
  SJSU9534  Downingia bicornuta W. Savage 1979-6-20 1271 Modoc S margin Bottle Cr Reservoir, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS79127  Downingia cuspidata L. R. Heckard with R. Bacigalupi 1980-6-10 5231 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) 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
  HSC26584  Downingia montana D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19504 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC58299  Draba albertina Bruce Bartholomew 1991-8-5 6036 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  SEINET195673  Draba albertina Annie M. Alexander, L Kellogg 1946-6-25 4823 Modoc Dismal Swamp; N end of Warner Mts 2256 Comment
  JEPS90139  Draba densifolia Dean W. Taylor 1992-5-8 12558 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 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
  CAS-BOT-BC214762  Drymocallis glandulosa Bruce Bartholomew; Barrett Anderson 1989-6-3 4868 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  UCR67444  Echinochloa crus-galli George K. Helmkamp 1990-9-23 I- 25 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CDA179  Echinochloa oryzoides Goss 1932-9-22 Modoc 0 Comment
  CHSC116191  Elatine Lowell Ahart; John Dittes 2015-7-15 20349 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS121235  Elatine californica Lowell Ahart, John Dittes 2013-7-24 18918 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  RSA604674  Elatine californica L. C. Wheeler 1935-8-23 3913 Modoc South Mt. Reservoir, Devil's Garden. 1677 Comment
  RSA210825  Elatine gracilis R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-4 39055 Modoc 2 mi W of Davis Creek (town), S of Goose Lake. 1433 Comment
  CHSC99268  Eleocharis acicularis var. acicularis Lowell Ahart; John Dittes 2008-6-21 14992 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
  SJSU9613  Eleocharis quinqueflora W. Savage 1979-7-6 1393 Modoc Triangla, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1587042  Eleocharis rostellata G. Schoolcraft 1991-7-24 Modoc NE of Middle Alkali Lake (Leonard Hot Spring) 472 Comment
  CAS-BOT-BC245107  Elodea canadensis Bruce Bartholomew 1992-8-10 6398 Modoc Rush Creek just N of Round Valley on Highway 299 1350 Comment
  UC1031350  Elymus X saundersii Leo Whitney 1935-7-17 3517 Modoc ca 15 mi nw Canby (bed of river); Modoc National Forest, Hackamore River 1463 Comment
  UCD62823  Elymus X saundersii L. Whitney 1935-7-1 3374 Modoc Hackamore River, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  SJSU5206  Elymus elymoides H. L. Buckalew 1961-7-2 Modoc Stowe Reservoir 1 mi N of Cedar Pass on Alturas-Cedarville Road, Warner Mts 1920 Comment
  CAS-BOT-BC247748  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1990-7-20 5531 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC247756  Elymus elymoides subsp. elymoides Clare Butterworth Hardham 1961-6-19 7855 Modoc Willow Creek. Comment
  UC1024963  Elymus elymoides subsp. elymoides Leo Whitney 1935-7-6 3448 Modoc near Lookout; Pit River 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
  HSC65366  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer 1973-8-8 7214 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC247736  Elymus glaucus Bruce Bartholomew 1989-8-11 5104 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  HSC80813  Elymus glaucus G. M. Riegel 1979-7-16 560 Modoc South Warner Mountains 530 Comment
  HSC80814  Elymus glaucus G. M. Riegel 1979-9-1 744 Modoc S Warner Mtns. 509 Comment
  UCD62306  Elymus glaucus Beecher Crampton; Carl Rimbey 1954-7-8 2174 Modoc Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  UCD62360  Elymus glaucus subsp. glaucus L. S. Smith 1918-8-11 Modoc Lost Lake, Warner Mts. 2438 Comment
  UCD62432  Elymus multisetus Robbins; Raynor 1943-6-1 Modoc Likely. Comment
  JEPS73940  Elymus trachycaulus Frances D. Payne 1932-6-24 588 Modoc s and e Alturas; Waner Mountains, Parker Creek 1584 Comment
  UC1037172  Elymus trachycaulus Leo Whitney 1935-7-21 3532 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  CAS-BOT-BC204298  Elymus trachycaulus subsp. trachycaulus Louis C. Wheeler 1935-8-4 3780 Modoc Modoc National Forest. Pine Creek, Warner Mts. 2103 Comment
  CHSC100510  Elymus trachycaulus subsp. trachycaulus Lowell Ahart; John Dittes 2008-8-25 15308 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
  CDA2072  Elytrigia intermedia Richard R. Halse 2006-8-3 6993 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. Comment
  CHSC111108  Elytrigia repens Lowell Ahart; John Dittes 2012-7-12 18377 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1262 Comment
  CAS-BOT-BC217288  Enemion stipitatum Bruce Bartholomew; Barrett Anderson 1989-4-27 4615 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC191020  Epilobium brachycarpum Bruce Bartholomew 1989-7-14 4946 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  CAS-BOT-BC191021  Epilobium brachycarpum Bruce Bartholomew 1991-6-23 5879 Modoc 2.6 km NE of Crowder Flat Road on road between Ingall Swamp and Dorris Brothers Reservoir. 1520 Comment
  CAS-BOT-BC191023  Epilobium brachycarpum Mrs. H. C. Cantelow 1940-6-2 3750 Modoc 10 mi. NW of Canby. Comment
  CAS-BOT-BC191029  Epilobium brachycarpum Mrs. H. C. Cantelow 1940-6-2 Modoc 10 mi. NW of Canby. Comment
  CAS-BOT-BC191032  Epilobium brachycarpum Alice Eastwood; John Thomas Howell 1940-6-15 8301 Modoc 5 mi. N of Lookout. Comment
  CHSC100526  Epilobium brachycarpum Lowell Ahart; John Dittes 2008-8-25 15277 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  CHSC118819  Epilobium brachycarpum L. P. Janeway 2014-7-8 11474 Modoc Modoc Palteau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  HSC16319  Epilobium brachycarpum M. T. Milligan 1965-6-30 390 Modoc N end of Jess Valley 1646 Comment
  JEPS39237  Epilobium brachycarpum W. L. Jepson 1918-8-9 7912 Modoc Ft. Bidwell Comment
  UC1191733  Epilobium brachycarpum Herbert L. Mason and Verne Grant 1947-7-10 13337 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC1191736  Epilobium brachycarpum Verne Grant and Irving Schneider 1947-7-18 8046 Modoc 5 mi n Bayley's bridge (s of Alturas); Eastside Canal Comment
  UC422802  Epilobium brachycarpum Milo S. Baker 1893-1 Modoc Egg Lake Comment
  SBBG125475  Epilobium campestre L. Ahart, J. Dittes 2012-7-11 18331 Modoc N edge of a meadow, ca. 1/8 mi E of the parking area on E side of Elkins Lane, Ash Crk State Wildlife Area, ca. 4 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1266 Comment
  CAS-BOT-BC190995  Epilobium ciliatum subsp. ciliatum Verne Grant; I. Schneider 1947-7-19 8079 Modoc Southern Pacific right-of-way, Williams Ranch between Alturas and Likely. 1219 Comment
  SJSU9614  Epilobium ciliatum subsp. ciliatum W. Savage 1979-7-6 1411 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest Comment
  UC1191743  Epilobium ciliatum subsp. ciliatum Herbert L. Mason 1947-8-15 13549 Modoc mouth of Crane Creek Goose Lake, Willow Ranch (e side of lake) Comment
  UC71846  Epilobium ciliatum subsp. glandulosum Mrs. M. H. Manning 1903-6-8 Modoc Mt. Bidwell 1524 Comment
  CAS-BOT-BC190978  Epilobium densiflorum Bruce Bartholomew 1991-8-4 6008 Modoc Kelly Draw, Round Valley, 2 km E of Hwy 299 on County Road 86. 1310 Comment
  JEPS89960  Epilobium densiflorum Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10489 Modoc bed of Snake Lake Warner Mts., Snake Lake 1569 Comment
  UC1191612  Epilobium densiflorum Herbert L. Mason and Verne Grant 1947-7-13 13452 Modoc near Goose Lake (w end of Pass, on road to Fort Bidwell); Fandango Pass Comment
  CAS-BOT-BC190945  Epilobium obcordatum Bruce Bartholomew 1995-7-31 7080 Modoc 2.4 km from Forest Service road 46N30 on road towards Bald Mountain, E side of the Warner Mts. 2150 Comment
  CAS-BOT-BC190949  Epilobium obcordatum Leland S. Smith 1917-7-19 115 Modoc Cedar Peak. 2438 Comment
  NY1000489  Epilobium obcordatum F. M. Ownbey 1940-7-1 2157 Modoc Near summit of Cedar Peak, Warner Mountains Comment
  UC71667  Epilobium obcordatum Mrs. M. H. Manning 1903-8-27 347 Modoc just below summit (ne Modoc Co.); Mt. Bidwell Comment
  NY1000508  Epilobium pallidum A. Tiehm 1984-6-30 8836 Modoc Northwest side of Bidwell Mountain, 2.2 road miles north of 8 mile creek on the road from Lake Annie 1844 Comment
  CAS-BOT-BC190872  Epilobium pygmaeum Robert Folger Thorne; et al 1969-9-4 39122 Modoc Margin of N Fork of Pit River, 3.4 mi. N of Alturas from crossing by Hwy 395. 1341 Comment
  CAS-BOT-BC30180  Equisetum laevigatum Alice Eastwood; John Thomas Howell 1940-6-13 8181 Modoc E side of Cedar Pass. Comment
  HSC861  Equisetum laevigatum M. T. Milligan 1964-7-1 104 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  UC922303  Equisetum laevigatum Annie M. Alexander and Louise Kellogg 1946-7-5 4911 Modoc w Lower Lake Lower Lake (<Lava Cliff>) Comment
  HSC862  Equisetum laevigatum M. T. Milligan 1965-6-23 291 Modoc E of Jess Valley 1616 Comment
  CAS-BOT-BC95477  Eremogone aculeata Annie Montague Alexander; L. Kellogg 1946-6-27 4846 Modoc Highgrade, top of ridge, 2 mi. by road from Dismal Swamp. Comment
  CAS-BOT-BC95491  Eremogone aculeata John H. Hatton 1911-6-20 130 Modoc Near Bolles meadows, Lava-Juniper country. 1524 Comment
  HSC68104  Eremogone aculeata J. P. Smith, J. O. Sawyer 1973-8-8 7232 Modoc Near summit of Eagle Peak 2988 Comment
  HSC80715  Eremogone aculeata G. M. Riegel 1980-7-24 583 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC95442  Eremogone congesta Bruce Bartholomew 1991-5-25 5760 Modoc N side of the Pit River, ca. 1 km W of Ostrom Point. 1320 Comment
  CAS-BOT-BC95450  Eremogone congesta R. K. Gierisch; D. H. Esplin 1969-7-15 3544 Modoc unspecified 1524 Comment
  RSA0057715  Eremogone congesta F. W. Peirson 1926-6-26 6908 Modoc Modoc National Forest NW of Canby. 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
  SJSU9701  Eremogone congesta var. simulans W. Savage 1979-7-10 1532 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  RSA602677  Eriastrum sparsiflorum L. C. Wheeler 1935-8-2 3747 Modoc Twelve Mile Creek, Warner Mts. 2287 Comment
  UC195495  Ericameria bloomeri Mrs. M. H. Manning 1905-9-15 Modoc Halls Meadows, ne Modoc County Halls Meadows Comment
  UCR57485  Ericameria bloomeri R. D. Goeden, Don W. Ricker 1989-8-24 31 Modoc Modoc National Forest, near Happy Camp Mountain 1466 Comment
  CAS-BOT-BC14778  Ericameria discoidea Francis Dorris Payne 1932-7-21 727 Modoc Mt. Warren, Warner Mts. Comment
  CAS-BOT-BC14776  Ericameria greenei Robert Patterson; Mona Bourell 1993-8-15 5239 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC14822  Ericameria greenei Bruce Bartholomew 1990-8-4 5628 Modoc Slope on N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2610 Comment
  HSC12538  Ericameria nauseosa var. hololeuca Mrs. R. M. Austin Aug 1894 Modoc N of Alturas Comment
  SBBG128118  Ericameria nauseosa var. oreophila L. Ahart, J. Dittes 2010-8-30 17052 Modoc S edge of the meadow, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1267 Comment
  UCD131477  Ericameria nauseosa var. oreophila K. M. Meyer; A. Townesmith 2007-9-16 212 Modoc Modoc National Forest, going E on Highway 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  HSC81050  Ericameria nauseosa var. speciosa G. M. Riegel 1979-8-23 703 Modoc South Warner Mtns. 1670 Comment
  UC217111  Ericameria nauseosa var. speciosa H. M. Hall 1921-9-10 11671 Modoc s of Alturas Comment
  RSA42057  Erigeron austiniae H. C. Cantelow 1935-6-8 862 Modoc Lava beds. Comment
  SBBG29975  Erigeron bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi NE of Alturas 1615 Comment
  SBBG8712  Erigeron bloomeri H. and M. Dearing 1939-6-9 3624 Modoc near Squaw Peak, Warner Mtns 2133 Comment
Read comments Apr 17 2007
  CHSC115473  Erigeron bloomeri var. bloomeri L. P. Janeway 2014-7-8 11466 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
  CHSC117036  Erigeron bloomeri var. bloomeri Lowell Ahart; John Dittes 2016-6-6 20952 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CAS-BOT-BC42801  Erigeron bloomeri var. bloomeri Mrs. H. C. Cantelow 1940-6-2 3226 Modoc NW of Canby. Comment
  OBI48595  Erigeron bloomeri var. bloomeri Lewis S. Rose 1940-6-12 40539 Modoc 6 mi NE of Alturas 1341 Comment
  HSC5554  Erigeron chrysopsidis var. austinae R. C. Wunner 1965-7-1 325 Modoc Top of Gillems Bluff above NW ranger residence. California Lava Beds National Monument 1372 Comment
  UC1514875  Erigeron chrysopsidis var. austiniae Mrs. R. M. Austin May 1894 84 Modoc Lassen Creek Comment
  HSC81102  Erigeron coulteri G. M. Riegel 1980-8-9 1019 Modoc S Warner Mts. 2100 Comment
  CAS-BOT-BC42820  Erigeron coulteri P. Monnet 1913-7-7 874 Modoc Warner's Range. 2286 Comment
  HSC5542  Erigeron divergens M. T. Milligan 1966-7-26 582 Modoc N end of Jess Valley 1616 Comment
  UCR67037  Erigeron divergens George K. Helmkamp 1990-9-23 I- 11 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CDA4930  Erigeron divergens T. C. Fuller 1965-6-2 13599 Modoc West side of Dorris Reservoir, 2 miles east of Alturas. 0 Comment
  SEINET230766  Erigeron eatonii Margaret J. Williams 1984-6-28 84- 67 -2 Modoc 2 miles North of intersection between Soldier Creek and Old Cannon Mill roads. Warner Mountains North of Cedar Pass. Comment
  UC748100  Erigeron eatonii var. plantagineus Annie M. Alexander and Louise Kellogg 1946-6-26 4833 Modoc Dismal Swamp Warner Mountains (n end of mts.) 2255 Comment
  POM229172  Erigeron eatonii var. plantagineus L. C. Wheeler 1935-8-4 3783 Modoc Dry Lake, Pine Creek. Warner Mts. 2104 Comment
  SEINET11841733  Erigeron eatonii var. plantagineus A. Seneres, Harold, N. 1983-1 111 Modoc Warner Mountains Comment
  CAS-BOT-BC42767  Erigeron elegantulus Leland S. Smith 1919-6-5 1116 Modoc Deep Creek above Ranger Station. 1584 Comment
  HSC81105  Erigeron glacialis var. glacialis G. M. Riegel 1980-8-6 994 Modoc S Warner Mtns. 2100 Comment
  UC748367  Erigeron glacialis var. glacialis Annie M. Alexander and Louise Kellogg 1946-7-2 4897 Modoc Dismal Swamp, n end of Warner Mountains; , Dismal Swamp 2255 Comment
  CAS-BOT-BC49636  Erigeron inornatus var. inornatus Bruce Bartholomew 1989-8-10 5047 Modoc 8.7 km E of Day on County Road 94. Comment
  CAS-BOT-BC49645  Erigeron linearis Fred D. Douthitt 1916-5-11 13 Modoc Juniper Flats, Modoc N.F. 1524 Comment
  CAS-BOT-BC49648  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8104 A Modoc W side of Cedar Pass. Comment
  JEPS29177  Erigeron linearis Lauramay T. Dempster 1961-6-18 1692 Modoc peak just s of Cedar Pass Comment
  UC748382  Erigeron linearis Annie M. Alexander and Louise Kellogg 1946-6-27 4851 Modoc top of ridge, 2 mi by road from Dismal Swamp (n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  CAS-BOT-BC295508  Erigeron linearis Mrs. R. M. Austin 1894-6-1 s.n. Modoc East of Emigrant Springs Comment
  CAS-BOT-BC49643  Erigeron linearis R. M. Austin 1894-6-1 s.n. Modoc Lava beds W of Willow Creek. Comment
  UC31441  Erigeron linearis Mrs. R. M. Austin and Bruce Jul 1898 2187 Modoc Comment
  CAS-BOT-BC49576  Erigeron philadelphicus Bruce Bartholomew 1989-8-12 5128 Modoc Deep Creek, E side of Warner Mountains. 1920 Comment
  CAS-BOT-BC49578  Erigeron philadelphicus Annie Montague Alexander; L. Kellogg 1946-7-7 4918 Modoc Below Lake City. Comment
  SJSU9650  Erigeron pumilus var. intermedius W. Savage 1979-7-8 1485 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC197824  Eriogonum elatum Leland S. Smith 1924-6-29 1444 Modoc Happy Camp Ranger Station. Comment
  CAS-BOT-BC197827  Eriogonum elatum Annie Montague Alexander; L. Kellogg 1946-7-7 4919 Modoc Highway south of town, Fort Bidwell. Comment
  HSC12266  Eriogonum elatum var. elatum Richard Spjut 1970-7-22 886 Modoc N Warner Mtns., 6 mi. from Lake City, on Rd. to Plum Valley Campground 1982 Comment
  JEPS57006  Eriogonum elatum var. elatum W. L. Jepson 1918-8-7 7895 Modoc Mt. Bidwell 2286 Comment
  UCR40300  Eriogonum heracleoides var. angustifolium G. R. Ballmer, G. F. Pratt 1985-7-15 s.n. Modoc Warner Mtns., near the summit of Mount Bidwell 2500 Comment
  CAS-BOT-BC197805  Eriogonum heracleoides var. heracleoides Leland S. Smith 1917-7-11 96 Modoc Granger Mill Camp. 2133 Comment
  CAS-BOT-BC197816  Eriogonum heracleoides var. heracleoides Annie Montague Alexander; L. Kellogg 1946-7-11 4967 Modoc Eight Mile Creek, northeast corner of county. 1752 Comment
  HSC80997  Eriogonum heracleoides var. heracleoides G. M. Riegel 1980-7-23 926 Modoc S Warner Mtns. 1739 Comment
  JEPS56885  Eriogonum heracleoides var. heracleoides W. L. Jepson 1918-8-7 7890 Modoc Plateau summit Mt. Bidwell 2468 Comment
  SEINET208631  Eriogonum heracleoides var. heracleoides W. L. Jepson 1918-8-13 7965 Modoc Eagle Peak, Warner Mts. 3018 Comment
  CAS-BOT-BC197800  Eriogonum microthecum var. laxiflorum G. Schoolcraft 1985-8-6 1503 Modoc SW of Alturas. 1493 Comment
  CAS-BOT-BC197803  Eriogonum microthecum var. laxiflorum B. Clear 1945-8-10 Modoc Newell fire tower. Comment
  CAS-BOT-BC197801  Eriogonum microthecum var. microthecum John Thomas Howell 1934-6-13 12098 Modoc Patterson Mill Road, Warner Mts. 1676 Comment
  JEPS56642  Eriogonum nudum var. oblongifolium Frances D. Payne 1931-7-5 323 Modoc about 3 mi n Parker Creek (Fern Spring; s and e of Alturas); Warner Mountains, Fern Spring 1828 Comment
  UC6380  Eriogonum nudum var. oblongifolium Milo S. Baker 1893-7-20 Modoc 1371 Comment
  CAS-BOT-BC211404  Eriogonum nudum var. pubiflorum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16640 Modoc 4 mi. E of Summit of Cedar Pass road. Comment
  CAS-BOT-BC211407  Eriogonum nudum var. pubiflorum J. L. Gentry; E. Jensen 1968-7-4 2114 Modoc 3.9 miles W of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 299 at Pit River. 1341 Comment
  HSC81001  Eriogonum nudum var. pubiflorum G. M. Riegel 1980-9-3 1135 Modoc S Warner Mtns. 1739 Comment
  NY762339  Eriogonum nudum var. pubiflorum N. H. Holmgren 1964-8-21 1717 Modoc Warner Range, Modoc National Forest, about 5 miles southwest of Eagleville on the Eagleville-Likey Road Comment
  RSA101375  Eriogonum nudum var. pubiflorum R. Weatherby 1955-7-8 1637 Modoc 3 mi. north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  SEINET11261580  Eriogonum nudum var. pubiflorum Richard R. Halse 1991-7-28 4244 Modoc Along State Hwy 139, 13 miles northwest of its junction with State Hwy 299.; 0 1469 Comment
  CAS-BOT-BC211432  Eriogonum nudum var. pubiflorum Leland S. Smith 1924-6-22 1431 Modoc Along Lava Trail west of Lava R.S. 1325 Comment
  NY762336  Eriogonum nudum var. pubiflorum A. A. Heller 1941-6-26 16222 Modoc 4 miles west of Canby on a steep clay bank along U.S. Highway #299 Comment
  NY762338  Eriogonum nudum var. pubiflorum H. D. D. Ripley 1944-6-1 6030 Modoc Foothills of Warner Mountains, west of Cedarville 1493.5 Comment
  RSA78895  Eriogonum nudum var. pubiflorum E. K. Balls, Percy C. Everett 1952-10-11 18161 Modoc About junction of road to lookout with Highway 139, between Alturas and Klamath Falls 1402 Comment
  SJSU12037  Eriogonum nudum var. pubiflorum E. S. O'Neill 1984-9-11 Modoc near Odin 1371 Comment
  NY283201  Eriogonum ovalifolium subsp. flavissimum L. C. Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mountains 2377.4 Comment
  UC1395201  Eriogonum prociduum James L. Reveal 1971-6-22 2462 Modoc along US 395 3.5 mi n junction with California Highway 299 (1.2 mi n of Chimney Rock Turnoff) 1402 Comment
  SEINET211382  Eriogonum prociduum James 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.s miles north of the chimney Rock Turnoff. Comment
  CAS-BOT-BC211352  Eriogonum spergulinum var. reddingianum Bruce Bartholomew 1991-8-5 6026 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CAS-BOT-BC248316  Eriogonum spergulinum var. reddingianum B. Bartholomew; H. Sun 2002-6-24 8859 Modoc Between Heath Creek and Lassen Creek on the road to Harris Flat, crest of the Warner Mountains 2090 Comment
  NY283098  Eriogonum sphaerocephalum M. J. Williams 1983-9-13 83153- 2 Modoc 1.6 miles beyond campground on Stowe Reservoir road, north of Cedar Pass road, Warner Mountains. 2011.7 Comment
  UCD32702  Eriogonum sphaerocephalum Beecher Crampton 1954-7-6 2122 Modoc Modoc County, 6 miles east of Alturas, along road 56, Collis Ranch. Comment
  CAS-BOT-BC211382  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1983-7-29 83- 116 -6 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mts. 2087 Comment
  CAS-BOT-BC211420  Eriogonum sphaerocephalum var. halimioides K. Paulson; Robert Paulson 1989-6-14 134 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC211421  Eriogonum sphaerocephalum var. halimioides Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10594 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mts., Modoc National Forest Comment
  CAS-BOT-BC211423  Eriogonum sphaerocephalum var. halimioides Alice Eastwood; John Thomas Howell 1940-6-11 8007 Modoc 6 miles NE of Adin on road to Canby. Comment
  CAS-BOT-BC211425  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew; Barrett Anderson 1988-6-25 4395 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  CAS-BOT-BC262721  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1938-6-24 15224 Modoc On slopes between Alturas and Canby 1341 Comment
  CHSC100839  Eriogonum sphaerocephalum var. halimioides L. P. Janeway; B. Castro 2008-8-17 9575 Modoc Warner Mountains. 2.4 km east of Bald Mountain; broad saddle between Daniels Creek and an unnamed northern branch of Soldier Creek. 2209 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
  CHSC59787  Eriogonum sphaerocephalum var. halimioides Mary Meyer 1980-6-19 Modoc Larkspur seeding, far end, south 1/4 mi off road. 1524 Comment
  JEPS119668  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. Comment
  JEPS56404  Eriogonum sphaerocephalum var. halimioides Frances D. Payne 1931-6-18 196 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  NY283119  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1941-6-24 16193 Modoc Just south of Indian Springs along U.S. Highway 299 Comment
  RSA318661  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1983-7-29 83- 116 -6 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. 2088 Comment
  UC711867  Eriogonum sphaerocephalum var. halimioides Roxana S. Ferris and Laura Lorraine 1941-8-14 10594 Modoc 3 mi on the road to Eagleville Patterson Ranger Station; Warner Mountains, Modoc National Forest Comment
  UC849733  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1938-6-24 15224 Modoc between Alturas and Canby 1341 Comment
  SEINET11261407  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1984-7-1 84- 88 -1 Modoc NW of Alturas, 3.5 mi N of Hwy 299, Crowder Flat Raod.; 0 1372 Comment
  SEINET5331610  Eriogonum sphaerocephalum var. halimioides M. J. Williams 1983-7-29 83- 116 -6 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. 2088 Comment
  CAS-BOT-BC211362  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
  HSC43011  Eriogonum strictum var. anserinum J. P. Smith, J. O. Sawyer 1973-8-8 7246 Modoc S slopes of Eagle Peak 2561 Comment
  NY283218  Eriogonum strictum var. anserinum M. J. Williams 1988-5-30 8826- 2 Modoc Jess Valley, south of roadside rest 1524.0 Comment
  SBBG30656  Eriogonum umbellatum D. Myrick 1968-6-20 1962 Modoc E edge of Alturas 1332 Comment
  CAS-BOT-BC211329  Eriogonum umbellatum var. dichrocephalum Louis Cutter Wheeler 1935-8-14 3843 Modoc Pine Creek, Warner Mts. 2011 Comment
  NY399145  Eriogonum umbellatum var. dichrocephalum N. H. Holmgren 1964-8-22 1720 Modoc Warner Range, just below the top of Eagle Peak 3027.9 Comment
  JEPS120520  Eriogonum umbellatum var. dumosum L. P. Janeway, B. Castro 2012-7-28 11036 Modoc Warner Mountains. At Obsidian Needles Obsidian Collecting Area; along Road 43N34 overlooking North Fork Davis Creek about 6.0 air km east-northeast of the community of Davis Creek (on Hwy 395). Comment
  CAS-BOT-BC211332  Eriogonum umbellatum var. glaberrimum J. L. Reveal; Darin Scott Reveal 1978-8-11 4823 Modoc Warner Mts., Dismal Swamp, ca. 2 mi. N of Modoc Co. Rd. 2, at NW end of Dismal Swamp S of Dismal Creek. 2225 Comment
  RSA318709  Eriogonum umbellatum var. hausknechtii J. P. Smith, J. O. Sawyer 1973-8-8 7230 Modoc At or near the summit of Eagle Peak. 2988 Comment
  CHSC118314  Eriogonum umbellatum var. modocense L. P. Janeway 2016-5-17 12029 Modoc Modoc Plateau. Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  CHSC12943  Eriogonum umbellatum var. modocense K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5835 Modoc On bank of white volcanic tuff on e side of Hwy. 395, ca. 3.5 mi n of intersection with Hwy. 299 and ca. 0.2 mi n of Chimney Rock turnoff. 1389 Comment
  UC190600  Eriogonum umbellatum var. modocense M. F. Gilman 573 Modoc 1676 Comment
  CAS-BOT-BC197787  Eriogonum umbellatum var. nevadense Annie Montague Alexander; L. Kellogg 1946-7-11 4972 Modoc Mesa W of Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC197618  Eriogonum umbellatum var. polyanthum E. S. Willits 1940-6-5 327 Modoc Canby. Comment
  RSA101381  Eriogonum umbellatum var. polyanthum R. Weatherby 1955-7-8 1633 Modoc Common on slope with sagebrush. Northern Juniper Woodland. 3 mi. north of Ft. Bidwell, Warner Mts. Comment
  SD86296  Eriogonum umbellatum var. polyanthum James L. Reveal 1971-6-22 2461 Modoc Along U.S. Highway 395 at Davis Creek 1449 Comment
  CAS-BOT-BC197594  Eriogonum vimineum Bruce Bartholomew; Barrett Anderson 1988-6-25 4390 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  CHSC85427  Eriogonum vimineum John Dittes; Josephine Guardino 1991-8-24 460 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.; edge of Highgrade Road. 2087 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
  SJSU9539  Eriogonum vimineum W. Savage 1979-7-3 1278 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1093643  Eriogonum vimineum Herbert L. Mason 1947-7-10 13335 Modoc 2 air mi e Alturas (on mesa); Doris Reservoir Comment
  CAS-BOT-BC49554  Eriophyllum lanatum Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mts., east of Alturas. Comment
  CAS-BOT-BC49559  Eriophyllum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-23 4563 Modoc Near Poison Lake ca. 5 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2000 Comment
  SEINET10821161  Eriophyllum lanatum Paul Gallian, David B. Dunn 1971-6-3 Gallian 502 Modoc 5 mi. S of Canby on CA Hwy. 299. 1280 Comment
  RSA504606  Eriophyllum lanatum var. achilleoides Bruce Bartholomew, B. Anderson 1988-6-23 4264 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  UC1484458  Eriophyllum lanatum var. achilleoides Dale E. Johnson with J. E. Eckenwalder 1974-6-16 131 Modoc just w of summit Cedar Pass (on Hwy 299 (Alturas-Cedarville road)); Warner Mts. 585 Comment
  UC1484471  Eriophyllum lanatum var. achilleoides Dale E. Johnson with J. E. Eckenwalder 1974-6-15 130 Modoc 1.6 w of crossing of Pit River on Hwy 299 (Adin-Canby road) (sw of Canby); Hwy 299, Pit River Comment
  UC31682  Eriophyllum lanatum var. achilleoides Milo S. Baker 1893-6 Modoc Comment
  UC31680  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-7-1 Modoc Lava Beds Comment
  UC196835  Eriophyllum pringlei unknown 1878-5-1 Modoc Surprise Valley Comment
  HSC8473  Erodium cicutarium M. T. Milligan 1965-6-26 322 Modoc N end Jess Valley. 1616 Comment
  POM88757  Erodium cicutarium Mrs. R. M. Austin 1895-06 s.n. Modoc Goose Lake Valley. Comment
  SJSU9689  Eryngium articulatum W. Savage 1979-7-24 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  CHSC67325  Eryngium mathiasiae James D. Jokerst 1986-8-11 2757 Modoc Radar Site Survey S of Doublehead Mtn., S of Road to Doublehead Mtn. Comment
  HSC6794  Erysimum capitatum M. T. Milligan 1967-7-8 664 Modoc W slope of Eagle Peak 2439 Comment
  RSA520352  Erysimum capitatum Bruce Bartholomew, B. Anderson 1989-6-3 4897 Modoc Ca 9 km SSW of Timber Mountain. 1370 Comment
  SEINET11249726  Erysimum capitatum var. capitatum A. Sanger 1996-6-11 2205 Modoc Crest of Paynes Peak, near radio tower. 2323 Comment
  CHSC85103  Erysimum repandum John Dittes; Josephine Guardino 1991-6-1 367 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  UC1332120  Erysimum repandum Alice Eastwood and John Thomas Howell 1940-6-12 8095 Modoc midway between Likely and Alturas Comment
  CAS-BOT-BC229899  Erythranthe breviflora Bruce Bartholomew; Barrett Anderson 1990-7-20 5518 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  SEINET13754570 Image available Erythranthe breviflora Arthur Cronquist, Arthur H. Holmgren 1959-1 8521 Modoc At Cedarville Pass; Warner Mtns., between Cedarville and Alturas 1951 Comment
  CAS-BOT-BC229917  Erythranthe guttata Elmer Ivan Applegate 1932-8-6 8203 Modoc Desert spring on E side of Middle Lake, Surprise Valley. Comment
  CAS-BOT-BC234504  Erythranthe guttata Francis Whittier Pennell 1940-6-8 25749 Modoc W of Cedar Pass. 1828 Comment
  CAS-BOT-BC234525  Erythranthe lewisii Elmer Ivan Applegate 1932-8-3 8110 Modoc Western slope of Warner Mountains above Mill Creek Meadows. Comment
  CAS-BOT-BC234529  Erythranthe lewisii Leland S. Smith 1917-7-29 125 Modoc Mill Creek above Cedarville. 1981 Comment
  CHSC27076  Erythranthe lewisii Robert A. Schlising 1978-7-29 3321 Modoc Warner Mountains, Pine Creek Basin in South Warner Wilderness Area. Comment
  CAS-BOT-BC234458  Erythranthe primuloides Bruce Bartholomew 1995-7-30 7067 Modoc NE side of Big Valley Mountains, W of Lookout Junction. 1310 Comment
  CAS-BOT-BC234427  Erythranthe pulsiferae Bruce Bartholomew 1992-5-16 6320 Modoc Lunsford Spring. 1600 Comment
  CAS-BOT-BC234468  Erythranthe pulsiferae Bruce Bartholomew 1995-6-22 6974 Modoc Between Day and Lookout, 4.3 km W of Day on County Road 94. 1350 Comment
  CAS-BOT-BC190756  Eschscholzia californica Bruce Bartholomew; Barrett Anderson 1989-6-3 4917 Modoc 9 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  CAS-BOT-BC218204  Euphorbia crenulata Elmer Ivan Applegate 1895-5-3 875 Modoc S of Dry Lake. Comment
  SEINET5586292  Euphorbia esula C. Pirosko s.n. Modoc Tulelake area. Comment
  UCD142792  Euphorbia serpillifolia Louis C. Wheeler 1973-8-24 s.n. Modoc Warner Mountains: Sworinger Reservoir. 1798 Comment
  UC17627  Euphorbia spathulata Milo S. Baker 1894-6-15 Modoc Little Hot Spring Valley Comment
  CDA36284  Euphorbia virgata C. Pirosko 2004-1 s.n. Modoc Tulelake area? 0 Comment
  CAS-BOT-BC15162  Eurybia integrifolia Elmer Ivan Applegate 1932-8-7 8241 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  HSC81016  Eurybia integrifolia G. M. Riegel 1979-8-11 640 Modoc S Warner Mtns. 1670 Comment
  CHSC106196  Euthamia occidentalis Lowell Ahart; John Dittes 2010-8-31 17102 Modoc On the east side of Elkins Lane, about 10 yards east of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC80818  Festuca idahoensis G. M. Riegel 1980-7-14 870 Modoc S Warner Mtns. 1739 Comment
  HSC80819  Festuca idahoensis G. M. Riegel 1979-8-13 658 Modoc South Warner Mtns. 2100 Comment
  RSA0069320  Festuca idahoensis Dean Wm. Taylor 2014-6-10 21483 Modoc Vicinity Mud Lake; County Road 91 (Lookout to Tule Lake) at the junction with Modoc National Forest road 42N56. 1432 Comment
  RSA0089762  Festuca idahoensis Dean Wm. Taylor 2014-6-10 21483 Modoc Vicinity Mud Lake; County Road 91 (Lookout to Tule Lake) at the junction, Modoc National Forest Road 42N56. 1432 Comment
  UCD66087  Festuca idahoensis A. A. Jordan 1934-9-11 Modoc Modoc County: Comment
  UCD66161  Festuca occidentalis L. Whitney 1935-6-9 3210 a Modoc White Horse. Comment
  UC1037139  Festuca pratensis Leo Whitney 1935-6-29 3360 b Modoc Alturas Comment
  JEPS69256  Festuca pratensis Leland S. Smith 1918-1 107 Modoc Comment
  CAS-BOT-BC179187  Floerkea proserpinacoides Margaret J. Williams 1984-6-30 84- 80 -1 Modoc 6.8 mi. W of Cedarville-Gerlach road, Granger Canyon Rd. 1981 Comment
  CAS-BOT-BC214649  Fragaria virginiana Bruce Bartholomew 1994-5-29 6743 Modoc Slopes adjacent to Roney Flat. 1460 Comment
  UC1714500  Fragaria virginiana subsp. platypetala Milo S. Baker 1893-6-15 Modoc Forestdale <locality from pencil note on sheet> Forestdale Comment
  CAS-BOT-BC217078  Frangula rubra Alice Eastwood; John Thomas Howell 1940-6-13 8155 Modoc E side of Fandango Pass. Comment
  NY188598  Frasera albicaulis M. J. Williams 1988-5-28 88- 19 --4 Modoc Hwy 395, intersection with Davis Creek road. Comment
  SEINET195710  Frasera albicaulis Unknown 1946-7-7 4941 Modoc Eight Mile Creek, northeast corner of county. 1753 Comment
  NY188596  Frasera albicaulis K. Paulson 1988-5-22 9 Modoc Fletcher Creek, Devil's Garden. 1402.1 Comment
  SEINET8584489  Frasera albicaulis var. modocensis M. J. Williams 1988-5-28 88- 19 -4 Modoc Hwy 395, intersection with Davis Creek Road. Comment
  UC1036047  Fritillaria pudica Annie M. Alexander and Louise Kellogg 1946-6-8 4699 Modoc road from Eagleville to Patterson Mill 2286 Comment
  CAS-BOT-BC242098  Fritillaria pudica Fred D. Douthitt 1916-4-20 1 Modoc Upper end of Flournoy Swale. 1371 Comment
  UC176215  Fritillaria pudica B. C. Goldsmith 1912-5-8 48 Modoc n of Alturas 1524 Comment
  RSA520504  Fritillaria recurva Bruce Bartholomew, M. Bourell 1990-4-26 5152 Modoc 0.5 km S of Day. 1100 Comment
  CDA40747  Galeopsis tetrahit T. C. Fuller 1958-7-8 1973 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC225046  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-6-1 4742 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC225068  Galium glabrescens subsp. modocense Bruce Bartholomew 1995-9-3 7189 Modoc Steep sagebrush covered slope NW of North Emerson Lake, E side of Warner Mountains. 2400 Comment
  CHSC77231  Galium glabrescens subsp. modocense G. Schoolcraft. 1999-6-9 2830 Modoc About 2.5 mi N of Eagleville. 1584 Comment
  UC1211890 Image available Galium serpenticum subsp. warnerense Lauramay T. Dempster and Clare Hardham 1961-6-19 1710 Modoc mouth of canyon just se New Pine Creek; ; Modoc Co. 1584 Comment
  CAS-BOT-BC192121  Garrya fremontii E. K. Balls 1950-5-12 14652 Modoc Hillsides north of Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1859 Comment
  UC1618179  Gayophytum decipiens Barbara Ertter 1988-6-18 7624 Modoc Hwy 139 a few mi n Agric. Inspection Station (1 mi s of s jct to Lava Beds Nat'l Monument e of Tonesta, ca 50 air mi sw of Klamath Falls) 1310 Comment
  CAS-BOT-BC190844  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1991-8-5 6025 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  SD58201  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1918-8-7 7863 Modoc Mt. Bidwell 2133 Comment
  RSA101494  Gayophytum racemosum R. Weatherby 1955-7-8 1609 -A Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  UC205189  Gayophytum racemosum W. P. Taylor and H. C. Bryant 1910-7-13 Modoc N. Fork Parker Cr. Warner Mountains (head) 2225 Comment
  CAS-BOT-BC190826  Gayophytum racemosum Mrs. H. C. Cantelow 1935-6-8 920 Modoc Lava beds. Comment
  CAS-BOT-BC190817  Gayophytum ramosissimum Elmer Ivan Applegate 1937-5-12 11084 Modoc Lyon road near north entrance, Lava Beds National Monument. Comment
  UC123659  Gentiana affinis var. ovata Milo S. Baker 1893-6 Modoc near bank McCloud R. Comment
  UC444850  Gentiana affinis var. ovata Mrs. M. H. Manning Modoc north-eastern Modoc County Comment
  UC566922  Gentiana affinis var. ovata F. H. Frost 1925-7-27 169 Modoc Clear Lake Warner Mts. Comment
  RSA0029457  Geranium oreganum R. Weatherby 1955-7-8 1620 Modoc 6 miles north of Ft. Bidwell, Warner Mts. 1784 Comment
  CAS-BOT-BC180072  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-30 4878 Modoc Highgrade, W side of ridge. 2377 Comment
  CHSC109892  Geranium viscosissimum B. Castro; L. P. Janeway 2012-7-26 1965 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.65 air mi SW of Little Lily Lake and 0.9 air mi N of Mt. Vida. 2336 Comment
  JEPS61451  Geranium viscosissimum Frances D. Payne 1931-6-17 164 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UCD103514  Geranium viscosissimum Verne Grant; Irving Schneider 1947-7-22 8145 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. Comment
  RSA0029587  Geranium viscosissimum var. nervosum George Willet 1935-6-26 s.n. Modoc Jess Valley, Warren [Warner] Mountains. 2287 Comment
  RSA0029588  Geranium viscosissimum var. nervosum J. T. Howell 1934-6-11 11947 Modoc Parker Creek, Warner Mts. 1585 Comment
  RSA0029589  Geranium viscosissimum var. nervosum F. W. Peirson 1926-6-25 6864 Modoc Cedarville Road, west slope of Warner Mts. Comment
  HSC98404  Geum macrophyllum M. T. Milligan 1966-7-1 517 Modoc Slopes and ridges E of Jess Valley 1646 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
  CHSC118310  Geum triflorum var. ciliatum L. P. Janeway 2016-5-18 12076 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09 1606 Comment
  RSA488040  Geum triflorum var. ciliatum Bruce Bartholomew 1988-5-12 4131 Modoc 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  RSA104288  Gilia modocensis Verne Grant, Alva Grant 1956-5-18 9804 Modoc area between Likely and Jess Valley (Type locality of G. modocensis Eastw.). 1524 Comment
  CAS-BOT-BC190667  Gilia sinistra subsp. sinistra Bruce Bartholomew; Barrett Anderson 1990-7-21 5588 Modoc Bear Flat, W side of Warner Mts. Ranger Station, er Station, E side of Warner Mts. 1830 Comment
  POM203473  Glyceria borealis J. T. Howell 1934-7-2 12362 Modoc Near mouth of Willow Creek, northeast side of Clear Lake. Comment
  RSA603007  Glyceria borealis L. C. Wheeler 1935-10-5 4021 Modoc N Fork Pit River at Parker Creek. 1372 Comment
  HSC10710  Glyceria elata M. T. Milligan 1966-6-30 511 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  HSC10085  Glyceria striata M. T. Milligan 1966-7-5 560 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UC60735  Glyceria striata M. S. Baker and Frank Nutting 1894-8-25 Modoc Forestdale 1371 Comment
  CAS-BOT-BC49573  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1990-7-20 5459 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC49575  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1990-7-19 5402 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  HSC41110  Gnaphalium palustre Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3249 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  HSC5710  Gnaphalium palustre M. T. Milligan 1964-8-21 230 Modoc S end of Dorris Reservoir Dam 1372 Comment
  CAS-BOT-BC242178  Goodyera oblongifolia Bruce Bartholomew 1994-7-3 6832 Modoc Field redacted by CAS, contact the data manager for more information 1900 Comment
  CAS-BOT-BC229890  Gratiola neglecta Herbert Louis Mason; Verne Grant 1947-7-12 13393 Modoc Jones' Lane, off Hwy 395, several miles S of Alturas. Comment
  JEPS121225  Gratiola neglecta Lowell Ahart, John Dittes 2013-7-24 18917 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  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-BC95532  Grayia spinosa Bruce Bartholomew; Barrett Anderson 1989-4-29 4682 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  NY31109  Grindelia fraxinipratensis D. Demarée 1959-8-15 41489 Modoc Davis Creek bottoms 1432.6 Comment
Read comments Dec 28 2013
  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
  CHSC99904  Grindelia nana Lowell Ahart; John Dittes 2008-8-21 15279 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
  UC78799  Hackelia californica Mrs. R. M. Austin July 1887 Modoc Pine Hills Comment
  CAS-BOT-BC54085  Hackelia cusickii Bruce Bartholomew 1992-5-15 6296 Modoc N end of Surprise Valley, S of Cow Head Lake. 1600 Comment
  CAS-BOT-BC54088  Hackelia cusickii Fred. P. Cronemiller 1920-6-20 30 Modoc Fillingim's, Modoc National Forest 1371 Comment
  JEPS25295  Hackelia cusickii Frances D. Payne 1932-6-10 425 Modoc s and e of Alturas (Parker Creek); Warner Mountains 1584 Comment
  UC604461  Hackelia cusickii G. L. Stebbins Jr. 1936-6-9 1818 Modoc e end of Bonner Grade (near Cedarville) Comment
  CAS-BOT-BC54061  Hackelia micrantha Annie Montague Alexander; L. Kellogg 1946-6-14 4764 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  RSA26981  Hackelia micrantha C. L. Hitchcock 1940-5-27 6692 Modoc 15 miles NE of Alturas. 1616 Comment
  UC881645  Hackelia micrantha C. L. Hitchcock 1940-5-27 6692 Modoc 15 mi ne of Alturas 1615 Comment
  SEINET195636  Haplopappus acaulis Annie M. Alexander, Louise Alexander 1946-8-9 5138 Modoc Patterson Lake Trail Warner Mountains Comment
  POM55333  Helianthella californica var. nevadensis Milo S. Baker 1893-6-20 s.n. Modoc [Unspecified] Comment
  CAS-BOT-BC49501  Helianthus annuus K. Paulson; Robert Paulson 1989-7-18 190 Modoc Parker Creek Rd. 1508 Comment
  CAS-BOT-BC54064  Heliotropium curassavicum Bruce Bartholomew 1989-8-11 5058 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. 1430 Comment
  UC1037247  Heliotropium curassavicum Leo Whitney 1935-7-24 3578 Modoc ca. 15 mi. n.w. Canby (Hackamore, R.R. tracks); Modoc Nat'l Forest, Hackamore 1463 Comment
  UC650533  Hemizonella minima Elmer I. Applegate 1936-5-18 10319 Modoc Bear Paw Cave Lava Beds National Monument Comment
  JEPS5965  Heracleum lanatum Frances D. Payne 1931-6-20 200 Modoc s. and e. Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UC748467  Heracleum lanatum Annie M. Alexander and Louise Kellogg 1946-7-12 4982 Modoc n.e. corner Modoc Co., Twelve Mile Creek Comment
  CAS-BOT-BC180044  Hesperochiron californicus Bruce Bartholomew; Barrett Anderson 1988-5-14 4209 Modoc SW corner of Big Sage Reservoir. 1500 Comment
  CAS-BOT-BC180047  Hesperochiron californicus E. S. Willits 1940-5-4 213 Modoc Willow Ranch. Comment
  JEPS1677  Hesperochiron californicus L. S. Smith c. 1918 809 Modoc Warner Mts., Jess Valley 1524 Comment
  HSC6399  Hesperochiron pumilus M. T. Milligan 1964-5-9 35 Modoc 10 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  UC26085  Hesperochiron pumilus Mrs. R. M. Austin 1894-1 Modoc Goose Lake Valley Comment
  CAS-BOT-BC179184  Hesperolinon micranthum John Thomas Howell 1934-6-30 12258 Modoc Duncan Horse Camp. 1355 Comment
  SEINET6033406  Heuchera cylindrica L. P. Janeway 2014-7-7 11451 Modoc Warner Mountains, north facing slope along Road 46N25 along Mill Creek, 1.0 km from Bidwell Creek; 5.2 air km northwest of Fort Bidwell. Mt. Bidwell 7.5' quad 1554 Comment
  RSA0062919  Heuchera cylindrica var. alpina Elmer I. Applegate 1932-8-3 8124 Modoc Arid summit of Warner Mtns, north of Eagle Peak. Comment
  HSC5826  Hieracium albiflorum M. T. Milligan 1966-7-27 592 Modoc Slopes and ridges E of Jess Valley 1707 Comment
  CAS-BOT-BC49478  Hieracium scouleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5474 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC49482  Hieracium scouleri Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10578 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mtns., Modoc N.F. Comment
  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
  CHSC109466  Hieracium scouleri L. P. Janeway; B. Castro 2012-7-28 11035 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). 1938 Comment
  CAS-BOT-BC49520  Hieracium scouleri Alice Eastwood; John Thomas Howell 1940-6-12 8063 Modoc Betwen Likely and Jess Valley. Comment
  SEINET8408787  Holodiscus microphyllus Unknown 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC214695  Holodiscus microphyllus var. glabrescens Robert Patterson; Mona Bourell 1993-8-15 5248 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 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-BC214704  Holodiscus microphyllus var. glabrescens Bruce Bartholomew 1989-7-15 5018 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  SJSU2089  Hordeum brachyantherum J. W. Tilden 1958-6-26 1275 Modoc Near Cedar Pass between Alturas & Cedarville. Annotation by C.W. Sharsmith, 1961: ""Warner Mts.; coll on west side Cedar Pass at alt. c. 6000ft. fide J.W. Tilden"" 1828 Comment
  SJSU9601  Hordeum brachyantherum W. Savage 1979-7-5 1371 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC247684  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew 1989-8-11 5096 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  JEPS74020  Hordeum brachyantherum subsp. brachyantherum Frances D. Payne 1932-7-3 592 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  HSC80844  Hordeum brachyantherum subsp. californicum G. M. Riegel 1980-8-5 987 Modoc S Warner Mtns. 2100 Comment
  UC1024921  Hordeum jubatum Leo Whitney 1938-6-29 3358 Modoc Alturas Comment
  UC1024966  Hordeum marinum subsp. gussoneanum Leo Whitney 1935-7-6 3442 Modoc Pit River Lookout; Pit River Comment
  CAS-BOT-BC214707  Horkelia fusca Bruce Bartholomew 1991-7-6 5973 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  CAS-BOT-BC179327  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; Barrett Anderson 1989-4-27 4634 Modoc Ryan Canyon, 6.0 km NW of Adin on road to Dutch Flat. 1370 Comment
  CAS-BOT-BC180026  Hydrophyllum capitatum var. alpinum Leland S. Smith 1919-5-18 1102 Modoc Jess Valley. 1600 Comment
  POM260002  Hydrophyllum capitatum var. alpinum C. L. Hitchcock 1940-5-27 6682 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA420898  Hydrophyllum capitatum var. alpinum George Willet 1935-6-21 s.n. Modoc Warren Mountains. 2287 Comment
  RSA420899  Hydrophyllum capitatum var. alpinum Christopher Davidson 1975-6-4 2616 Modoc 2.5 miles W of Cedarville on Hwy 299. 1677 Comment
  UC24084  Hydrophyllum capitatum var. alpinum Milo S. Baker 1893-1 Modoc Comment
  RSA727897  Hymenolobus procumbens Noel Holmgren, Patricia K. Holmgren 1998-5-30 12995 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) E of downtown Cedarville, at turnoff to some hotsprings. 1370 Comment
  JEPS5987  Hymenoxys hoopesii Frances D. Payne 1931-6-29 308 Modoc e slope of Warren Peak; Warner Mountains, Warren Peak 2286 Comment
  CAS-BOT-BC179899  Hypericum anagalloides Bruce Bartholomew 1989-8-11 5101 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  SEINET10720072  Hypericum anagalloides Louis C. Wheeler Wheeler 3954 Modoc McGinty Reservoir, Devil's Garden. S29, T46N, R13E 1463 Comment
  CAS-BOT-BC179891  Hypericum scouleri Bruce Bartholomew; Barrett Anderson 1990-7-21 5567 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC179893  Hypericum scouleri R. M. Austin 1894-1-1 Modoc Davis Creek. Comment
  CAS-BOT-BC179895  Hypericum scouleri Bruce Bartholomew 1994-7-1 6772 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  CAS-BOT-BC179102  Iliamna bakeri Edward Kent Balls; Percy C. Everett 1952-10-11 20958 Modoc 0.2 mi. SE of crest of Fandango Pass. 1859 Comment
  UC932081  Iliamna bakeri Verne Grant and Alva Grant 1947-7-13 8019 Modoc Fandango Pass Warner Mountains Comment
  UC908149  Ipomopsis aggregata F. H. Frost 155 Modoc Eagle Peak Warner Mtns Comment
  CAS-BOT-BC190654  Ipomopsis aggregata subsp. aggregata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 185 Modoc Above Parker Creek at Modoc Nat. Forest Boundary. Comment
  HSC80888  Ipomopsis aggregata subsp. attenuata G. M. Riegel 1980-7-30 978 Modoc S Warner Mtns. 1829 Comment
  UC449787  Ipomopsis congesta M. F. Gilman 510 Modoc Comment
  CHSC27611  Ipomopsis congesta subsp. montana Robert Schlising 1978-7-29 3326 Modoc Warner Mountains, directly E of Warren Peak; just off summit of trail. 2852 Comment
  CAS-BOT-BC190634  Ipomopsis tenuituba Alice Eastwood; John Thomas Howell 1940-6-13 8159 Modoc E side of Fandango Pass. Comment
  CAS-BOT-BC245104  Iris missouriensis Bruce Bartholomew; Barrett Anderson 1989-6-2 4787 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  SEINET4170726  Iris missouriensis C. L. Hitchcock 1940-5-28 Modoc 15 miles N. of Alturas. 1402 Comment
  UC4306  Iris missouriensis Milo S. Baker 1893-6-30 Modoc Egg Lake shore; Egg Lake Comment
  SEINET13762148 Image available Isatis tinctoria J. A. Young 1969-8-15 s.n. Modoc Round Valley, Adin Comment
  UC922441  Isoetes bolanderi Annie M. Alexander and Louise Kellogg 1948-9-21 5624 Modoc flat above Mineral Spr.; 1 mi SW top of grade bet. New Pine Creek and Fort Bidwell 2286 Comment
  RSA639347  Isoetes howellii L. C. Wheeler 1935-8-5 3785 Modoc Brandy, E fork Bidwell Creek. (Mt Diablo mer.) 2409 Comment
  JEPS127257  Isoetes nuttallii Lowell Ahart, John Dittes 2016-6-6 20972 Modoc About one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC49490  Iva axillaris subsp. robustior Bruce Bartholomew; Barrett Anderson 1990-7-20 5452 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  UC1573169  Ivesia gordonii Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10464 Modoc summit ridge Eagle Peak; Warner Mountains 3002 Comment
  UC2486  Juncus balticus Baker and Nutting 1894-7-5 Modoc Dixie Valley Comment
  CAS-BOT-BC10595  Juncus brachyphyllus John Thomas Howell 1934-7-3 12373 Modoc 5 mi. S of Hackamore. Comment
  JEPS121221  Juncus bufonius var. bufonius Lowell Ahart, John Dittes 2013-7-24 18928 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
  RSA0113961  Juncus bufonius var. bufonius Lowell A. Ahart, John Dittes 2013-7-24 18929 Modoc About 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilor Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big valley. 1263 Comment
  CAS-BOT-BC245067  Juncus confusus Louis Cutter Wheeler 1935-9-23 4001 Modoc Pease Flat, Devil's Garden. 1524 Comment
  CAS-BOT-BC245064  Juncus confusus John H. Hatton 1911-6-12 55 Modoc unspecified 1463 Comment
  CHSC109224  Juncus drummondii L. P. Janeway; B. Castro 2012-7-24 10955 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismall Swamp. 2250 Comment
  CAS-BOT-BC10596  Juncus ensifolius Elmer Ivan Applegate 1932-7-7 8225 Modoc Lily Lake, Bidwell Pass, Warner Mountains. Comment
  JEPS119967  Juncus ensifolius Lowell Ahart, John Dittes 2012-7-12 18369 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
  UC1101073  Juncus ensifolius Verne Grant and Irving Schneider 1947-8-24 8260 Modoc s end Jess Valley; Warner Mountains, Harvey Creek Comment
  UC1601860  Juncus ensifolius Baker and Nutting 1894-8-25 Modoc Forestdale Comment
  UC1536801  Juncus ensifolius Gordon H. True Jr. 1939-6-30 1018 Modoc e of Alturas; Parker Creek Comment
  UC70022  Juncus ensifolius Mrs. M. H. Manning Aug 1903 444 Modoc ne Modoc County Comment
  CAS-BOT-BC245054  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-3 6956 Modoc Fletcher Creek E of Pease Cabin between Goose Lake and Crowder Flat Road. 1520 Comment
  UC1101099  Juncus longistylis Herbert L. Mason 1947-8-13 13534 Modoc n of Canby (ne side of F reservoir) Comment
  UC70010  Juncus longistylis Mrs. M. H. Manning August 1904 441 Modoc ne Modoc County Comment
  UCR34737  Juncus mertensianus J. A. Harpel 1981-8-6 V 5 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CHSC100513  Juncus orthophyllus Lowell Ahart; John Dittes 2008-8-26 15351 Modoc On the bottom of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CAS-BOT-BC81202  Juniperus occidentalis Florence Angwin 1945-10-27 s.n. Modoc Adin 1371 Comment
  CHSC115481  Juniperus occidentalis L. P. Janeway 2014-7-8 11469 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
  HSC26492  Juniperus occidentalis J. P. Smith, J. O. Sawyer 1972-5-6 5264 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  UC401374  Juniperus occidentalis Franklin P. Nutting Modoc lava near Egg Lake Comment
  SBBG128751  Juniperus occidentalis L. Ahart, J. Dittes 2008-8-26 15358 Modoc SE side of Rose Crk, 750 feet SW of confluence of Rose Crk and Pit River, on the NW side of unnamed rd, 2660 feet E of intersection with County Rd 85a, 9.3 mi (air) NNE of Lookout 1276 Comment
  UC71751  Juniperus occidentalis Mrs. M. H. Manning Sep 1 1902-Oct 1 1902 10 Modoc Comment
  JEPS114908  Juniperus occidentalis var. occidentalis Lowell Ahart, John Dittes 2008-8-26 15358 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  JEPS66614  Kalmia polifolia subsp. microphylla L. S. Smith 1917-9-16 908 Modoc se of Goose Lake (Lassen Creek, ne Modoc County); Warner Mountains, Lassen Creek Comment
  CAS-BOT-BC225096  Kelloggia galioides Leland S. Smith 1409 Modoc Modoc County. Comment
  HSC31365  Kelloggia galioides D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19351 Modoc Soup Springs Campground Comment
  POM68593  Kelloggia galioides R. M. Austin 1895-07 405 Modoc Willow Creek (Devils Garden) Comment
  UC748482  Kelloggia galioides Annie M. Alexander and Louise Kellogg 1946-7-23 5039 Modoc e slope Emerson Peak; Warner Mountains Comment
  UC76672  Kelloggia galioides Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC95542  Kochia americana Elmer Ivan Applegate 1932-7-6 8193 Modoc Eagleville, Surprise Valley. Comment
  CHSC69230  Koeleria macrantha James D. Jokerst 1986-8-10 2748 Modoc Radar Survey Site S of Doublehead Mtn., ca. 400 m NE of a NW-SE oriented fence and road. 1341 Comment
  CHSC69491  Koeleria macrantha James D. Jokerst 1987-5-13 2871 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  SEINET229940 Image available Koeleria macrantha L. M. Shultz, JS Shultz 1985-6-23 8594 Modoc Modoc Plateau at the Western extension of the Great Basin between Beeler and Duncan reservoirs 1311 Comment
  UC1024946  Koeleria macrantha Leo Whitney 1935-7-2 3326 Modoc ca 17 mi nw Canby; Badger Wells Comment
  UC60745  Koeleria macrantha M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UC70681  Koeleria macrantha Mrs. M. H. Manning 1904-7-16 Modoc Mt. Bidwell; north-eastern Modoc County Comment
  UCD85731  Koeleria macrantha Beecher Crampton; Carl Rimbey 1954-7-6 2117 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  CDA7516  Lactuca tatarica subsp. pulchella T. C. Fuller 1958-7-8 2029 Modoc Davis Creek. 0 Comment
  CAS-BOT-BC49451  Lagophylla ramosissima subsp. ramosissima John Thomas Howell 1934-6-11 11939 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54069  Lappula redowskii Leland S. Smith 1922-10-22 1337 Modoc Below rim E side Tule Lake. 1341 Comment
  JEPS32733  Lappula redowskii Mrs. R. M. Austin and Bruce June 1898 2269 Modoc Goose Lake Valley Comment
  UCD35724  Lathyrus lanszwertii Beecher Crampton 1960-6-17 5682 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  CAS-BOT-BC497318  Lathyrus lanszwertii Fred P. Cronemiller, Jr. 1920-6-10 3 Modoc McKenzie Spring 1310 Comment
  RSA648325  Lathyrus lanszwertii Marion P. Harthill 1972-6-17 841 Modoc Cedar Pass 1921 Comment
  SD46422  Lathyrus lanszwertii var. lanszwertii Robert J. Weatherby 1955-7-8 1621 Modoc Northern Warner Mountains, 6 miles north of Fort Bidwell, dry hillsides 1783 Comment
  NY716853  Lathyrus rigidus W. Larkin 04 1920 s.n. Modoc Goose Lake Valley Comment
  NY716854  Lathyrus rigidus C. L. Hitchcock 1950-5-27 19225 Modoc Ca. 20 miles north of Alturas Comment
  UC15320  Lathyrus rigidus Mrs. R. M. Austin and Bruce May 1898 2216 Modoc Goose Lake Valley Comment
  POM30572  Layia glandulosa subsp. glandulosa Mrs. R. M. Austin 1895-08 536 Modoc Alturas Comment
  CAS-BOT-BC245028  Lemna Bruce Bartholomew; Barrett Anderson 1989-6-2 4793 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  RSA0011491  Lemna Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46965 Modoc Ca. 3.4 miles north of Alturas at bridge over North Fork of Pit River 1341 Comment
  UC1536818  Lemna minor Gordon H. True Jr. 1939-7-6 1002 Modoc Gooch Swamp near Lookout; Gooch Swamp Comment
  POM312463  Lemna trisulca H. L. Mason, Verne Grant 1947-7-12 13432 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  UC1101268  Lemna trisulca Verne Grant, Irving Schneider 1947-7-19 8065 Modoc s of Alturas (s of South Loop Road, Corporation Ranch); Corporation Ranch Comment
  UC1101269  Lemna trisulca Herbert L. Mason, Verne Grant 1947-7-12 13432 Modoc n of Likely (Corportation Ranch Headquarters); Corportation Ranch Headquarters Comment
  UC1101289  Lemna turionifera Verne Grant, Irving Schneider 1947-7-19 8064 Modoc Corporation Ranch s of Alturas (s of South Loop Road); Corporation Ranch Comment
  UC1101298  Lemna turionifera Malcolm A. Nobs, S. Galen Smith 1949-5-30 775 Modoc w of Alturas (1/2 mi e of County Road 70 on County Road 54) Comment
  JEPS53760  Lepidium densiflorum var. pubicarpum Milo S. Baker 1898-1 Modoc Forestdale Comment
  JEPS114372  Lepidium dictyotum var. dictyotum Lowell Ahart, John Dittes 2008-6-21 15011 Modoc Along a large levee, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber 1266 Comment
  CHSC100464  Lepidium lasiocarpum Lowell Ahart; John Dittes 2008-8-26 15332 Modoc On the sides of County Road 85a, 287 feet east of County Road 91, 7.7 miles (air) north-northeast of Lookout. 1303 Comment
  SEINET5341382  Lepidium latifolium M. J. Williams 1984-7-1 84- 89 -1 Modoc NW of Alturas, N of Hwy 299, Crowder Flat road. 1372 Comment
  UC398778  Lepidium montanum var. canescens Mrs. Austin 1888-1 336 Modoc s of Alturas; Pit River Comment
  UCD115844  Lepidium perfoliatum Robbins; Raynor 1943-6-1 s.n. Modoc Near Likely. Comment
  HSC80889  Leptosiphon ciliatus G. M. Riegel 1979-7-12 508 Modoc S Warner Mtns. 2100 Comment
  RSA100701  Leptosiphon harknessii Ella Dales Cantelow 1940-6-2 4133 Modoc About 10 miles N.W. of Canby, on road to Lava Beds Monument Comment
  RSA325722  Leptosiphon harknessii A. Tiehm 1984-6-30 8842 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  CHSC109492  Leptosiphon nuttallii subsp. nuttallii L. P. Janeway; B. Castro 2012-7-26 11002 Modoc Warner Mountains. Along dirt road west of and above Little Lily Lake 2.3 air km north of Mt. Vida. 2280 Comment
  CAS-BOT-BC242079  Leucocrinum montanum K. Paulson; Robert Paulson 1989-4-16 103 Modoc Crowder Flat Road, Devil's Garden. Comment
  CAS-BOT-BC242086  Leucocrinum montanum Bruce Bartholomew 1991-5-25 5750 Modoc Ca. 6 km NW of Tionesta on road to Lava Beds National Monument. 1310 Comment
  UC1037302  Leucocrinum montanum Leo Whitney 1934-4-15 1615 Modoc near Hackamore; Modoc National Forest 1463 Comment
  UC672094  Leucocrinum montanum Mrs. B. A. Crabtree 1926-4-12 2885 Modoc Davis Creek Comment
  UC71732  Leucocrinum montanum Mrs. M. H. Manning 1903-5-1 93 Modoc Fort Bidwell; ne Modoc County Comment
  SEINET10533573  Leucocrinum montanum Jeffrey Huber 1971-6-3 Huber 97 Modoc 5 miles s of canby on calif. Hwy. 299, Lupines heavily carpeting hillsides of Large basaltic boulders, sparse juniper, artemesia, purshia, poa assoc. 1280 Comment
  RSA520450  Leucophysalis nana Bruce Bartholomew, B. Anderson 1990-7-20 5533 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC197491  Lewisia rediviva Elmer Ivan Applegate 1932-7-9 7606 Modoc Summit of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC197495  Lewisia rediviva Bruce Bartholomew; Barrett Anderson 1989-6-2 4796 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC197490  Lewisia rediviva Leland S. Smith 1917-6-5 27 Modoc So. Fork Pitt River Canon. 1676 Comment
  CAS-BOT-BC197493  Lewisia rediviva K. Paulson; Robert Paulson 1988-5-22 4 Modoc Engle Swamp Road, Devil's Garden. 1402 Comment
  NY497586  Lewisia rediviva K. Paulson 1988-5-22 4 Modoc Eagle Swamp Road, Devil's Garden 1402.1 Comment
  CAS-BOT-BC247634  Leymus cinereus Bruce Bartholomew 1990-8-5 5683 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  JEPS73990  Leymus cinereus Frances D. Payne 1932-7-18 705 A Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SEINET190941  Leymus cinereus A. A. Beetle 1941-6-29 2841 Modoc 15 miles east of Alturas on road to Cedarville Pass 1372 Comment
  JEPS117690  Leymus triticoides Lowell Ahart, John Dittes 2010-8-31 17120 Modoc West side of Elkins Lane, about 20 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UCD32734  Leymus triticoides Beecher Crampton 1954-7-8 2179 Modoc Modoc County, Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  UCD64650  Leymus triticoides Beecher Crampton 1954-7-7 2154 Modoc Alturas. Vacant lot behind Niles theatre. Comment
  CAS-BOT-BC21461  Ligusticum grayi Louis Cutter Wheeler 1935-8-16 3882 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC436038  Ligusticum grayi Elmer I. Applegate 1932-8-5 8174 Modoc Warner Mts., craggy summit of Cedar Mountain Comment
  UC1100165  Lilaea scilloides Verne Grant and Irving Schneider 1947-7-18 8040 Modoc 5 mi n Bayley's Bridge (s of Alturas, Eastside Canal) Comment
  CAS-BOT-BC242071  Lilium pardalinum subsp. shastense Bruce Bartholomew; Barrett Anderson 1988-7-21 4438 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC242073  Lilium pardalinum subsp. shastense Bruce Bartholomew 1989-7-14 4933 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC242070  Lilium washingtonianum Bruce Bartholomew 1989-7-14 4928 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  RSA210888  Limosella acaulis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39119 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC238351  Limosella aquatica Herbert L. Mason; Verne Grant 1947-7-12 13418 Modoc Along railroad track, Pit River Valley, south of Alturas Comment
  CAS-BOT-BC238353  Limosella aquatica John Thomas Howell 1934-6-13 12092 Modoc 2 1/2 miles s. of Eagleville Comment
  UCR131614  Limosella aquatica L. C. Wheeler 1935-8-14 3856 Modoc Warner Mtns., Cave Lake, Pine Creek 2073 Comment
  CAS-BOT-BC190628  Linanthus bolanderi Fred D. Douthitt 1916-5-11 17 Modoc Juniper Flats-West Valley. 1676 Comment
  CAS-BOT-BC198040  Linanthus harknessii John Thomas Howell 1934-6-12 12031 Modoc Plum Valley. Comment
  CAS-BOT-BC198041  Linanthus harknessii Bruce Bartholomew; Barrett Anderson 1990-7-19 5414 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC198043  Linanthus harknessii Bruce Bartholomew 1991-7-4 5920 Modoc Road between Roney Flat and Miller Flat. 1630 Comment
  UC748271  Linanthus harknessii Annie M. Alexander and Louise Kellogg 1946-7-10 4954 Modoc near Eight Mile Creek (ne corner of Modoc County) 1752 Comment
  UC971756  Linanthus harknessii F. H. Frost 1925-7-11 13 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  UC106762  Linanthus harknessii Milo S. Baker 1893-7-8 Modoc Comment
  JEPS103192  Linanthus nuttallii subsp. nuttallii G. Schoolcraft 2000-7-17 2916 Modoc N Warner Mountains East of Poison Lake 2225 Comment
  SJSU9649  Linanthus pungens W. Savage 1979-7-8 1483 Modoc N end Fairchild Swamp Unit, Triangle Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC229895  Linaria dalmatica subsp. dalmatica W. T. Parsons; Thomas C. Fuller 1960-7-27 4875 Modoc Lassen Creek, near Sugar Hill Planting. Comment
  CDA6355  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-8-27 11168 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CAS-BOT-BC179154  Linum lewisii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16401 Modoc Above Thoms Creek, 6.1 mi. E of Hwy 299, Cedar Pass Rd. Comment
  CAS-BOT-BC179157  Linum lewisii C. L. Hitchcock 1940-5-27 6709 Modoc 15 mi. NE of Alturas. 1676 Comment
  UC867759  Linum lewisii C. L. Hitchcock 1940-5-27 6709 Modoc 15 mi ne of Alturas 1676 Comment
  CAS-BOT-BC179164  Linum lewisii John H. Hatton 1911-6-10 19 Modoc Modoc County. 1524 Comment
  UC17254  Linum lewisii Milo S. Baker 1893-6 Modoc Lava Beds Comment
  JEPS123864  Linum lewisii var. lewisii Lowell Ahart, John Dittes 2015-7-16 20369 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-BC225814  Lithophragma glabrum Annie Montague Alexander; L. Kellogg 1946-6-25 4824 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  CAS-BOT-BC225844  Lithophragma glabrum Francis Dorris Payne 1932-4-22 387 Modoc Parker Creek. 1584 Comment
  HSC20219  Lithophragma parviflorum M. T. Milligan 1964-6-25 77 Modoc Upper Lassen Creek 1829 Comment
  UC585234  Lithophragma parviflorum E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1838 Modoc summit of Cedar Pass; Warner Mts., summit of Cedar Pass 1920 Comment
  CAS-BOT-BC225847  Lithophragma tenellum Leland S. Smith 1919-5-3 1087 Modoc Rock Spring. 1722 Comment
  HSC20218  Lithophragma tenellum M. T. Milligan 1965-7-10 433 Modoc W slope of Eagle Peak. 2439 Comment
  HSC26495  Lithophragma tenellum J. P. Smith, J. O. Sawyer 1972-5-6 5260 Modoc USFS Road to Quail Spring at Hwy. 299 N of Adin 1463 Comment
  UC615434  Lithophragma tenellum Beryl O. Schreiber 1934-6-10 1173 Modoc Lost Lake; Warner Mountains, Lost Lake Comment
  CAS-BOT-BC54037  Lithospermum ruderale Bruce Bartholomew; Barrett Anderson 1988-5-13 4143 Modoc Along Parker Creek Road, 2.7 km W of Modoc National Forest and ca. 16 km WSW of Alturas, W side of the Warner 1490 Comment
  CAS-BOT-BC54072  Lithospermum ruderale John Thomas Howell 1934-6-13 12060 Modoc Fandango Pass, Warner Mountains 1828 Comment
  HSC3701  Lithospermum ruderale M. T. Milligan 1965-6-26 344 Modoc N end Jess Valley. 1616 Comment
  RSA59862  Lithospermum ruderale E. K. Balls 1950-5-11 14615 Modoc 2 miles N of Lake City, w. of Upper Alkali Lake. 1418 Comment
  RSA610637  Lithospermum ruderale L. C. Wheeler 1935-8-6 3793 Modoc 1/4 mi. E Pine Creek (town) edge of Warner Mts. 1555 Comment
  CAS-BOT-BC21447  Lomatium bicolor var. leptocarpum R. L. Ward 1976-5-18 s.n. Modoc Pine Spring. 1508 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
  HSC26514  Lomatium bicolor var. leptocarpum J. P. Smith, J. O. Sawyer 1972-5-6 5247 Modoc County Rd. 86, just E of Adin. 1098 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
  UC1587086  Lomatium bicolor var. leptocarpum G. Schoolcraft 1991-6-18 2165 Modoc ca. 4 mi. n.e. Adin (w. of Hwy. 299) 1304 Comment
  RSA584732  Lomatium canbyi Bruce Bartholomew 1993-5-10 6477 Modoc Modoc County: NW side of Barrel Spring Road near NW corner of Mud Lake, Sagebrush flat., 41Y 52 29N, 120Y 2 13W 1680 Comment
  UC985672  Lomatium dissectum var. multifidum Herbert L. Mason and Verne Grant 1947-7-9 13311 Modoc summit of Warner Range, Cedar Pass Warner Range, Cedar Pass 1920 Comment
  UC1608976  Lomatium grayi B. Bartholomew 1993-6-13 6634 Modoc e. side Surprise Valley (just w. of Sand Creek on rd. from Hwy. 299 to Leonard Hot Spring) 1410 Comment
  CAS-BOT-BC30131  Lomatium grayi var. grayi Bruce Bartholomew 1993-6-13 6634 Modoc Just W of Sand Creek on road from Highway 299 to Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  CAS-BOT-BC30134  Lomatium hendersonii Bruce Bartholomew; Barrett Anderson 1988-5-13 4160 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts.. 1760 Comment
  SEINET7878180 Image available Lomatium leptocarpum Unknown 1946-1 4770 Modoc Silver Creek branch of Patterson Mill road 1829 Comment
  CAS-BOT-BC30139  Lomatium macrocarpum Alice Eastwood; John Thomas Howell 1940-6-12 8102 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC30141  Lomatium macrocarpum Mrs. H. C. Cantelow 1940-6-1 4509 Modoc 10 mi. E of Alturas. Comment
  CAS-BOT-BC30149  Lomatium macrocarpum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6439 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  CAS-BOT-BC30144  Lomatium macrocarpum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5998 Modoc W of Alturas. 1325 Comment
  CAS-BOT-BC15757  Lomatium nevadense var. nevadense Annie Montague Alexander; L. Kellogg 1946-6-8 4703 Modoc Near 3 mi. Ranger Station sign, road from Eagleville to Patterson Mille. 2225 Comment
  JEPS17530  Lomatium nudicaule L. S. Smith 1917-5-28 Modoc Jess Valley Comment
  CAS-BOT-BC15770  Lomatium nudicaule K. Paulson; Robert Paulson 1988-6-19 55 Modoc Loveness road. 1493 Comment
  CAS-BOT-BC15726  Lomatium piperi Bruce Bartholomew; Barrett Anderson 1989-4-28 4661 Modoc 8 km E of the Modoc National Forest Boundary on Parker Creek Road, W side of Warner Mts. 1930 Comment
  SEINET195701  Lomatium triternatum Annie M. Alexander, Louise Kellogg 1946-6-27 4842 Modoc Highgrade (top of ridge 2 miles by road from Dismal Swamp) north end of Warner Mountains Comment
  OBI81754  Lomatium triternatum Tracey Call, Viola Call 1961-5-30 2054 Modoc 15 miles north of Alturas near U.S. 395 highway Comment
  SEINET11131219  Lomatium triternatum subsp. triternatum M. J. Williams 1988-5-30 88266 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  UC614431  Lomatium triternatum var. macrocarpum L. Constance 1938-6-12 2336 Modoc Cedar Pass rd. 12.8 mi. n.e. of Alturas (plateau near foot of Banner Grade, w. foothills of Warner Range); w. foothills of Warner Range 1463 Comment
  OBI8880  Lomatium triternatum var. macrocarpum Tracey and Viola Call, Viola Call 1964-6-23 2281 Modoc 1 mi S of Perez 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-BC21394  Lomatium vaginatum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-30 5972 Modoc N of Likely. 1371 Comment
  CAS-BOT-BC21399  Lomatium vaginatum Alice Eastwood; John Thomas Howell 1940-6-11 8023 Modoc 8 mi. from Canby on road to Alturas. Comment
  RSA271941  Lomatium vaginatum Christopher Davidson 1975-6-4 2601 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  CDA38459  Lomatium vaginatum Virginia Kelly 1983-6-21 s.n. Modoc Alturas. 0 Comment
  RSA149057  Lomatium vaginatum I. L. Wiggins, Dorothy Wiggins 1961-6-13 16473 Modoc Roadside 2.4 mi. S of village of Davis Creek, SE side of Goose Lake. Comment
  RSA152173  Lomatium vaginatum Lincoln Constance, Elwood Molseed, John Weiler 1960-6-13 3679 Modoc East side of Goose Lake, 9 miles north of Davis Creek 1372 Comment
  CAS-BOT-BC95169  Lonicera interrupta Belknap C. Goldsmith 1912-7-1 51 Modoc Little Hot Spring Valley. 1219 Comment
  JEPS12822  Lonicera interrupta Milo S. Baker 1894-8-13 Modoc 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-BC181968  Lotus corniculatus Bruce Bartholomew 1992-8-7 6357 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  RSA503051  Lotus nevadensis Bruce Bartholomew, B. Anderson 1988-6-23 4227 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC181946  Lotus purshianus var. purshianus M. Vasey 1990-6-30 9042 Modoc Pond along dirt road near Curtis Waterhole, NW of Egg Lake. 1300 Comment
  CAS-BOT-BC181927  Lupinus C. P. Smith 1947-6-13 47462 Modoc Highway 395, Pine Creek (town) 0.8 mi. S. Comment
  UC726971  Lupinus A. A. Heller 1941-6-25 16206 Modoc w side of the grade leading up to Cedar Pass; w side of the grade leading up to Cedar Pass Comment
  UC511321  Lupinus angustiflorus Lyman Benson 1930-7-18 2235 Modoc sw Alturas; Upper Pit, sw of Alturas 1219 Comment
  CAS-BOT-BC181901  Lupinus arbustus Francis Dorris Payne 1929-6-24 24 Modoc Pine Creek, above Fitzhugh Springs. 1645 Comment
  CAS-BOT-BC181903  Lupinus arbustus Annie Montague Alexander; L. Kellogg 1946-7-22 5038 Modoc Bear Camp Flat, Warner Mts. 2286 Comment
  CAS-BOT-BC181909  Lupinus arbustus Mrs. H. C. Cantelow 1941-5-23 Modoc 2 miles east of Adin Summit 1576 Comment
  CAS-BOT-BC181916  Lupinus arbustus Alice Eastwood; John Thomas Howell 1940-6-13 8141 Modoc Fandango Pass. Comment
  CHSC111992  Lupinus arbustus B. Castro; L. P. Janeway 2008-8-17 1753 Modoc Warner Mountains. North slope of Bald Mountain; lower slope below last row of trees, in feeders to S. Fork Mill Creek. 2302 Comment
  CAS-BOT-BC181900  Lupinus arbustus John H. Hatton 1911-6-12 38 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC182190  Lupinus argenteus Annie Montague Alexander; L. Kellogg 1946-7-7 4917 Modoc Cedarville. Comment
  CAS-BOT-BC182191  Lupinus argenteus Amos Arthur Heller 1938-6-24 15222 Modoc Between Alturas and Canby. Comment
  CAS-BOT-BC182195  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  CAS-BOT-BC182199  Lupinus argenteus Doris K. Kildale 1926-9-11 2772 A Modoc Near Alturas. 1377 Comment
  UC727128  Lupinus argenteus A. A. Heller 1938-6-24 15222 Modoc between Alturas and Canby; between Alturas and Canby 1341 Comment
  POM212694  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas, south end of town. 1524 Comment
  UCD106791  Lupinus argenteus var. argenteus Verne Grant; Irving Schneider 1947-8-27 8321 Modoc Southwest end of Clear Lake. Comment
  CAS-BOT-BC182106  Lupinus argenteus var. heteranthus Annie Montague Alexander; L. Kellogg 1946-7-23 5052 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC182110  Lupinus argenteus var. heteranthus Bruce Bartholomew; Barrett Anderson 1990-7-20 5485 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC182111  Lupinus argenteus var. heteranthus R. M. Austin 1898-7-1 2143 Modoc Modoc County. 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
  CAS-BOT-BC182115  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-13 8137 Modoc W side of Fandango Pass. Comment
  JEPS119664  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2012-7-11 18338 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC182079  Lupinus argenteus var. heteranthus R. M. Austin 1884-8-1 219 Modoc Hills. Comment
  UCR101906  Lupinus argenteus var. palmeri G. R. Ballmer 1988-7-20 s.n. Modoc Warner Mountains, Horse Ridge, near NW corner of the South Warner Wilderness Game Refuge, SW of Cedarville 2134 Comment
  UCR102425  Lupinus argenteus var. palmeri 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
  SEINET10485028  Lupinus burkei David B. Dunn, Billy Joe Cox; Lewis S. Fleak 1970-6-8 Dunn 16946 Modoc 1 mi. N of davis creek on us hwy 395. On road cut in grassland. Comment
  POM23636  Lupinus caudatus R. M. Austin 1895-07 410 Modoc Goose Lake Valley. Comment
  RSA26464  Lupinus caudatus Alice Eastwood, John T. Howell 1940-6-13 8137 Modoc West side of Fandango Pass. Comment
  SEINET10936588  Lupinus caudatus subsp. caudatus David B. Dunn, Billy Joe Cox; Lewis S. Fleak 1970-6-8 Dunn 16944 Modoc 5 mi. S of pine creek on us hwy 395 e of goose lake; on clay road cut in Grassland. Comment
  CAS-BOT-BC181882  Lupinus latifolius Bruce Bartholomew; Barrett Anderson 1989-6-1 4753 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  RSA296825  Lupinus laxiflorus W. L. Jepson 1918-8-6 7841 Modoc Surprise Valley. 1448 Comment
  UC1228170  Lupinus lepidus var. sellulus Beecher Crampton 1960-6-17 5706 Modoc 13 mi w Canby (McKay Flat); w of Canby 1280 Comment
  CAS-BOT-BC181852  Lupinus leucophyllus Alice Eastwood; John Thomas Howell 1940-6-14 8207 Modoc Canby. Comment
  NY747431  Lupinus microcarpus B. M. Bartholomew 1989-6-2 4784 Modoc Long Canyon, 12 km northeast of Fort Bidwell on the road to the Oregon border 1550 Comment
  RSA520381  Lupinus microcarpus Bruce Bartholomew, B. Anderson 1989-6-2 4784 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  UC199285  Lupinus microcarpus var. densiflorus M. F. Gilman 562 Modoc Comment
Read comments Jan 12 2007
  CAS-BOT-BC181832  Lupinus microcarpus var. microcarpus Arnold Tiehm 1984-6-30 8833 Modoc N edge of Lake Annie on W side of Bidwell Mt., NE of Ft. Bidwell. 1530 Comment
  CAS-BOT-BC497470  Lupinus polyphyllus Margaret J. Williams 1988-5-30 88- 22 -1 Modoc Crowder Flat road, NW of Alturas 1524 Comment
  HSC81086  Lupinus polyphyllus subsp. superbus G. M. Riegel 1979-8-24 685 Modoc South Warner Mtn. 2100 Comment
  CAS-BOT-BC181807  Lupinus saxosus Bruce Bartholomew; Mona Bourell 1990-4-27 5181 Modoc Vicinity of Lower Cummings Reservoir, 5 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  CAS-BOT-BC181820  Lupinus saxosus Edward Kent Balls 1950-5-20 14805 Modoc 3.3 mi. above South Fork Public Camp, South Fork Pit River on way to Jess Valley. 1463 Comment
  CAS-BOT-BC181821  Lupinus saxosus Alice Eastwood; John Thomas Howell 1940-6-11 8018 Modoc 7 mi. SW of Canby. Comment
  CAS-BOT-BC181823  Lupinus saxosus C. L. Hitchcock 1940-5-27 6658 Modoc 9 mi. NE of Alturas. 1402 Comment
  UC1481316  Lupinus saxosus Cox, Dunn, Fleak 1970-6-8 1956 Modoc at Jct of US Hwy 395-299 with Cedarville Road 6 mi n Alturas; n of Alturas 1463 Comment
  CAS-BOT-BC49473  Madia citriodora Bruce Bartholomew 1991-7-6 5968 Modoc Service Gulch, 4.3 km W of County Road 91 on Forest Service road 42N03. 1330 Comment
  CAS-BOT-BC49475  Madia citriodora Bruce Bartholomew; Barrett Anderson 1988-6-23 4242 Modoc 4.2 km NW of Day. 1020 Comment
  UC579782  Madia citriodora David D. Keck and J. Clausen 1935-6-24 3714 Modoc 3 mi ne Willow Ranch (e of Goose Lake); e of Goose Lake 1554 Comment
  UC33220  Madia elegans Milo S. Baker 1893-6-29 Modoc Comment
  CHSC111109  Madia elegans subsp. densifolia Lowell Ahart; John Dittes 2012-7-12 18375 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1262 Comment
  CAS-BOT-BC49404  Madia glomerata John Thomas Howell 1934-7-3 12375 Modoc 5 mi. S of Hackamore. Comment
  CAS-BOT-BC49409  Madia glomerata Mrs. M. H. Manning 17 Aug 741 Modoc Joseph Creek. Comment
  RSA520494  Madia glomerata Bruce Bartholomew 1989-8-10 5043 Modoc Little Hot Springs Valley, 3.9 km NW of Day 1070 Comment
  CAS-BOT-BC49417  Madia gracilis Barrett Anderson 1986-7-9 3177 Modoc Warner Mtns., Stough Reservoir Rd juse E of Cedar Pass near Stough Reservoir. 1965 Comment
  UC748166  Madia gracilis Annie M. Alexander and Louise Kellogg 1946-7-10 4956 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  NY500375  Mahonia repens B. M. Bartholomew 1989-8-12 5122 Modoc South Fork of Pine Creek where it crosses West Warner Road, west side of Warner Mountains 1900 Comment
  POM228992  Mahonia repens L. C. Wheeler 1935-8-14 3838 Modoc Pine Creek. Warner Mtns. 2011 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
  HSC1964  Maianthemum racemosum subsp. amplexicaule M. T. Milligan 1966-7-1 514 Modoc N end of Jess Valley. 1616 Comment
  HSC14227  Marrubium vulgare M. T. Milligan 1966-6-29 487 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  CAS-BOT-BC498694  Marsilea vestita Louis C. Wheeler 1935-9-18 1616 Modoc Modoc National Forest: Everly Rsvr., Devil's Garden 1524 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
  CAS-BOT-BC247628  Melica Elmer Ivan Applegate 1932-7-31 7987 Modoc Mill Creek Meadows. Comment
  HSC80846  Melica bulbosa G. M. Riegel 1979-7-12 525 Modoc 2100 Comment
  JEPS74034  Melica fugax Frances D. Payne 1932-7-1 654 Modoc 2 mi sw Mt. Warren (se Modoc County); Pine Creek Basin Comment
  UC71758  Mentha canadensis Mrs. M. H. Manning 1903-7 201 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  UC634865  Mentha canadensis F. H. Frost Modoc Jess Valley; Warner Mts., Jess Valley Comment
  HSC15844  Mentzelia albicaulis M. T. Milligan 1965-7-1 404 Modoc Plateau W of Jess Valley. 1829 Comment
  UC1540002  Mentzelia albicaulis M. Mitchell 1936-5-21 47 Modoc 2 m se Hospital Rock; Lava Beds National Monument 1249 Comment
  POM126628  Mentzelia albicaulis M. French Gilman 567 Modoc Dry slopes. 1677 Comment
  CAS-BOT-BC179134  Mentzelia dispersa Bruce Bartholomew 1990-6-17 5333 Modoc Surprise Valley, at the W side of Middle Alkali Lake, directly E of Cedarville. 1370 Comment
  CAS-BOT-BC179137  Mentzelia dispersa Elmer Ivan Applegate 1897-5-31 886 Modoc E side of Tule Lake. Comment
  UC1563685  Mentzelia dispersa Barbara Ertter 1988-6-18 7608 Modoc NE Dry Lake (W side hwy 139 just S of where it crosses railroad at jct to Clear Lake,); E of lava Beds Nat'l Monument 1249 Comment
  UC1563715  Mentzelia dispersa Barbara Ertter 1988-6-18 7608 Modoc NE Dry Lake (W side hwy 139 just S of where it crosses railroad at jct to Clear Lake,); E of lava Beds Nat'l Monument 1249 Comment
  JEPS41194  Mentzelia dispersa Milo S. Baker Modoc Comment
  UCSB27390  Mentzelia dispersa Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls near Clear Lake, east of Likely, Warner Mtns. Comment
  CAS-BOT-BC179128  Mentzelia laevicaulis Bruce Bartholomew; Barrett Anderson 1990-7-21 5557 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  SEINET255583  Mentzelia montana Unknown 1946-6-12 4736 Modoc Fandango Pass road. 1676 Comment
  UC1121668  Mentzelia montana M. H. Mitchell 1936-5-21 47 Modoc 2 mi SE Hospital Rock; Modoc Lava Beds Natl. Mon., Dorris Quadrangle 1249 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
  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
  HSC80937  Mertensia oblongifolia G. M. Riegel 1980-7-31 980 Modoc S Warner Mtns. 2100 Comment
  NY1084276  Mertensia oblongifolia B. M. Bartholomew 1992-5-15 6300 Modoc Tamarack Flat, east side of the Warner Mountains 2160 Comment
  RSA182939  Mertensia oblongifolia Clare B. Hardham 1961-6-18 7585 -c Modoc Cedar Pass. 1829 Comment
  RSA152439  Mertensia oblongifolia I. L. Wiggins, Dorothy Wiggins 1961-6-12 16431 -A Modoc Mountainside near summit of Cedar Pass, between Alturas and Cedarville Comment
  CAS-BOT-BC49360  Microseris nutans Clare Butterworth Hardham 1961-6-18 7590 Modoc Cedar Pass. 1828 Comment
  CHSC67085  Microseris nutans James D. Jokerst 1987-5-12 2843 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  JEPS11699  Microseris nutans Rimo Bacigalupi with L. R. Heckard, Ruth Sanderson and Geo. Bacigalupi 1952-6-18 3734 Modoc about 200 ft above s side Cedar Pass; Warner Mountains 2164 Comment
  CAS-BOT-BC197907  Microsteris gracilis Bruce Bartholomew 1990-6-16 5253 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2130 Comment
  HSC80883  Microsteris gracilis G. M. Riegel 1980-7-28 954 Modoc S Warner Mtns. 2100 Comment
  HSC17121  Microsteris gracilis M. T. Milligan 1965-6-27 361 Modoc E slope of eroded volcanic plateau. 1677 Comment
  POM204117  Microsteris gracilis subsp. gracilis J. T. Howell 1934-6-12 12023 Modoc Warner Mountains: Plum Valley Comment
  RSA152448  Microsteris gracilis subsp. gracilis I. L. Wiggins, Dorothy Wiggins 1961-6-13 16452 Modoc Wet meadow at southern outskirts of Fort Bidwell Comment
  UCSB21215  Mimulus breviflorus Hardham, Clare 1961-6-17 Modoc Cedar Pass Campground; Warner Mountains Comment
  SEINET3365878 Image available Mimulus breweri Arthur Cronquist, Arthur H. Holmgren 1959-6-20 8520 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920 Comment
  UC748169  Mimulus breweri Annie M. Alexander and Louise Kellogg 1946-7-1 4888 Modoc 1/2 mi e Bidwell Creek road summit; Warner Mountains Comment
  JEPS3552  Mimulus cusickii G. Dallas Hanna 1952-9-20 Modoc Conklin Canyon Warner Mountains 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
  JEPS11547  Mimulus guttatus W. L. Jepson 1918-8-12 7955 Modoc Jess Valley 1584 Comment
  RSA488110  Mimulus guttatus Barbara J. Ertter 1988-6-18 7631 Modoc Hwy 139, 14.5 mi ENE of jct Hwy 299 at Canby, N of Bessler Reservoir. 1463 Comment
  RSA454353  Mimulus guttatus Louis C. Wheeler 1935-8-27 3926 Modoc South Mt. Spring, Devil's Garden. 1524 Comment
  HSC20768  Mimulus lewisii M. T. Milligan 1967-7-9 669 Modoc E of Jess Valley 1768 Comment
  UC1063559  Mimulus nanus var. nanus R. C. Wilson 1933-6-11 44 Modoc Rush Creek Camp Modoc National Forest, Alturas Quadrangle Comment
  UC726426  Mimulus nanus var. nanus A. A. Heller 1941-6-24 16195 Modoc just s Indian Springs (along U. S. Highway #299) Comment
  RSA78966  Mimulus nanus var. nanus E. K. Balls, Percy C. Everett 1952-10-11 18163 Modoc 4.9 mi. w. from turn off of Hwy 139 on road to Pumice Pits, e. edge of Glass Flow. 1280 Comment
  JEPS86680  Mimulus pulsiferae L. R. Heckard with T. I. Chuang 1990-7-14 6761 Modoc 0.7 mi e Soldier Creek Rd. (along Old Common Mill Rd., ca. 2 mi n of Cedar Pass) 2075 Comment
  UC11419  Mitella pentandra Mrs. R. M. Austin Aug., 1894 Modoc Lassen Creek Comment
  SEINET6167748  Mitella pentandra A. Sanger 1996-7-12 2415 Modoc Joseph Creek, 1 mile southwest of Bald Mountain, end of road 1999 Comment
  LA62591  Monardella odoratissima Louis C. Wheeler; 1935-8-14 3841 Modoc Warner Mountains, Pine Creek 2011 Comment
  CAS-BOT-BC179368  Monardella odoratissima subsp. glauca K. Paulson; Robert Paulson 1989-6-21 148 Modoc Vicinity of Granger Creek, E side of the Warner Mts. Comment
  CDA33297  Monardella odoratissima subsp. odoratissima Jim Jokerst 1990-8-2 3208 Modoc Summit of East Sand Butte, just east of Lava Beds National Monument. Comment
  RSA793423  Monardella odoratissima subsp. odoratissima J. D. Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument, summit and upper west-facing slope of Caldwell Minor near east edge of monument boundary. 1402 Comment
  RSA639614  Monolepis nuttalliana L. C. Wheeler 1935-8-2 3741 Modoc Dismal Swamp: Twenty-Mile Creek. 2225 Comment
  CAS-BOT-BC197478  Montia chamissoi Bruce Bartholomew 1994-7-2 6803 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  CAS-BOT-BC197517  Montia chamissoi Annie Montague Alexander; L. Kellogg 1946-6-22 4814 Modoc Lake Annie. 1524 Comment
  POM101941  Montia chamissoi Mrs. R. M. Austin 1895-07 470 Modoc Goose Lake Valley. Comment
  UC71836  Montia fontana Mrs. M. H. Manning May, 1903 116 Modoc Spring near Fort Bidwell (in north-eastern Modoc County) Comment
  CAS-BOT-BC197544  Montia linearis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 42 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC247568  Muhlenbergia asperifolia Leland S. Smith 1917-8-19 152 Modoc Fort Bidwell. 1371 Comment
  JEPS70579  Muhlenbergia asperifolia L. S. Smith 1917-8-19 152 Modoc Bidwell Warner Mts. 1371 Comment
  CDA32537  Muhlenbergia asperifolia T. C. Fuller 1962-8-3 9493 Modoc Hwy 139 to Tulelake, 0.25 mile northwest of Stronghold 0 Comment
  SEINET4343716 Image available Muhlenbergia richardsonis Unknown 1988-6-18 7609 Modoc West side of Hwy 139 just south of where it crosses railroad at junction to Clear Lake, NE of Dry Lake east of Lava Beds National Monument 1250 Comment
  CAS-BOT-BC392257  Myosurus apetalus Ellsworth Bethel 1923-4-25 s.n. Modoc Kelby Hot Springs Comment
  RSA59764  Myosurus aristatus E. K. Balls 1950-5-14 14693 Modoc 2.5 miles N of boundary Modoc National Forest, jct of roads to Emigrant Spring, Thomas Reservoir and Dead Horse Reservoir. 1524 Comment
  CAS-BOT-BC217296  Myosurus minimus Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6501 Modoc SE side of Hager Basin, along Crowder Flat Road. 1680 Comment
  SEINET934247  Myriophyllum sibiricum Verne Grant, Herbert L. Mason 1947-1 13385 Modoc Irrigation ditch by Jones Lane, off Highway 395, several miles south of Alturas. Comment
  CAS-BOT-BC179316  Nama densa Bruce Bartholomew 1991-5-24 5716 Modoc Surprise Valley, 7.7 km NE of County Rd. 37 on County Rd. 38, at the Nevada State boundary. 1370 Comment
  CAS-BOT-BC198011  Navarretia breweri Alice Eastwood; John Thomas Howell 1940-6-13 8133 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC198013  Navarretia breweri Bruce Bartholomew; Barrett Anderson 1989-6-1 4761 Modoc S end of Goose Lake. 1460 Comment
  CAS-BOT-BC198015  Navarretia breweri Annie Montague Alexander; L. Kellogg 1946-7-7 4933 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-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
  SBBG30498  Navarretia breweri D. Myrick 1968-6-20 1978 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  UCD32694  Navarretia divaricata Beecher Crampton 1954-7-6 2109 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  CAS-BOT-BC197982  Navarretia intertexta subsp. propinqua Bruce Bartholomew 1991-7-5 5938 Modoc Dry wash draining into North Willow Creek, between Crowder Flat and the Oregon border. 1620 Comment
  POM74433  Navarretia intertexta subsp. propinqua Mrs. R. M. Austin 1895-07 533 Modoc Goose Lake Valley. Comment
  RSA165590A  Navarretia intertexta subsp. propinqua Clare B. Hardham 1961-6-19 7840 Modoc Willow Creek. Warner Mountains. Comment
  UC1178896  Navarretia intertexta subsp. propinqua Herbert L. Mason 1947-7-8 13315 Modoc Cedar Pass, summit of Warner Range Warner Range 1920 Comment
  UCD32693  Navarretia intertexta subsp. propinqua Beecher Crampton 1954-7-6 2108 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  HSC17143  Navarretia intertexta subsp. propinqua M. T. Milligan 1964-8-21 232 Modoc S end of Dorris Reservoir Dam 1372 Comment
  CAS-BOT-BC197962  Navarretia leucocephala subsp. minima Bruce Bartholomew 1989-7-14 4957 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CHSC85115  Navarretia leucocephala subsp. minima John Dittes; Josephine Guardino 1991-7-21 424 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
  SJSU9533  Navarretia leucocephala subsp. minima W. Savage 1979-6-20 1270 Modoc S margin of Bottle Cr Reservoir, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UCD37473  Navarretia modocensis Beecher Crampton 1960-6-17 5696 Modoc Modoc County, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station, McKay Flat. 1280 Comment
  SEINET200248  Navarretia propinqua Herbert L. Mason 1946-7-13 13449 Modoc West end of Fandango Pass near Goose Lake on road to Fort Bidwell. Comment
  RSA150284B  Navarretia sinistra A. J. Cronquist, Arthur H. Holmgren 1959-6-20 8522 Modoc Warner Mountains: at Cedarville Pass, between Cedarville and Alturas. 1921 Comment
  UC629104  Navarretia sinistra Louis C. Wheeler 1935-8-13 3833 Modoc Barnes Creek Warner Mts., Barnes Creek 1828 Comment
  CHSC111104  Navarretia tagetina Lowell Ahart; John Dittes 2012-7-12 18370 Modoc North edge of Ash Creek, south of the gravil pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC7186  Nemophila austiniae R. M. Austin 1885-6-1 s.n. Modoc Davis Creek Comment
  CAS-BOT-BC179297  Nemophila parviflora var. austiniae Lincoln Constance 1938-6-12 2333 Modoc Edge of Thoms Creek at foot of Bonner Grade, Cedar Pass Rd., 13.4 mi. NE of Alturas. 1524 Comment
  CAS-BOT-BC179300  Nemophila parviflora var. austiniae Bruce Bartholomew 1994-7-2 6811 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  CAS-BOT-BC179301  Nemophila parviflora var. austiniae Annie Montague Alexander; L. Kellogg 1946-6-14 4745 Modoc Barber Creek, Patterson Mill Road. 1798 Comment
  CAS-BOT-BC179303  Nemophila parviflora var. austiniae John Thomas Howell 1934-6-11 11969 Modoc Parker Creek. 1584 Comment
  UC1021925  Nemophila pedunculata Rolf Y. Berg 1955-6-22 Modoc w Cedarville (Cedar Pass Campground); Modoc National Forest, w of Cedarville Comment
  UC1332113  Nemophila pedunculata Alice Eastwood and John Thomas Howell 1940-6-13 8193 Modoc w side Cedar Pass Comment
  POM249004  Nemophila pedunculata Lincoln Constance 1938-6-12 2337 Modoc Margin of Rush Creek, 8 miles northeast of Adin. 1524 Comment
  UC24291  Nemophila pedunculata Milo S. Baker 1893-6-18 Modoc Comment
  JEPS31546  Neoholmgrenia andina Milo S. Baker 1894-6-29 Modoc Big Valley Comment
  SEINET3994854  Neoholmgrenia andina M. J. Williams 1984-7-1 84- 87 -4 Modoc NW of Alturas, Crowder Flat road, near the Big Sage Reservoir 1372 Comment
  POM42286  Nestotus stenophyllus Mrs. R. M. Austin 1894-05 s.n. Modoc Goose Lake Valley. Comment
  RSA565101  Nestotus stenophyllus D. W. Taylor, Glenn L. Clifton 1992-5-7 12522 Modoc 0.5 miles E of Duncan Reservoir, on western rim of Black Canyon. 1524 Comment
  CAS-BOT-BC245369  Nicotiana attenuata Bruce Bartholomew; Barrett Anderson 1990-7-21 5550 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  NY962860  Nicotiana attenuata B. M. Bartholomew 1990-7-21 5550 Modoc West edge of Middle Alkali Lake, directly east of Cedarville, Surprise Valley 1370 Comment
  UC71730  Nicotiana attenuata Mrs. M. H. Manning 1902-9-1 2 a Modoc Long Valley Comment
  HSC65617  Oenothera elata subsp. hirsutissima Thomas Wood 1979-8-11 253 Modoc 4 mi. S of Fort Bidwell on Co. Hwy. 1 1396 Comment
  CHSC107332  Oenothera flava Lowell Ahart; John Dittes 2011-6-21 17515 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC20558  Oenothera flava subsp. flava Mrs. C. C. Bruce June 1898 Modoc streets Alturas Comment
  UC71675  Olsynium douglasii var. douglasii Mrs. M. H. Manning 1903-4-19 82 Modoc Mt. Bidwell; se slope, ne Modoc Co. 1524 Comment
  JEPS64297  Olsynium douglasii var. douglasii L. S. Smith 1918-5-18 927 Modoc Cedarville road e Alturas 1676 Comment
  CDA7564  Onopordum acanthium T. C. Fuller 1957-9-18 339 -57 Modoc Alturas. 0 Comment
  RSA128638  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc S/4th St., E/East St., Alturas Comment
  CDA7559  Onopordum acanthium T. C. Fuller 1958-7-9 900 -58 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  JEPS26037  Onopordum acanthium subsp. acanthium T. C. Fuller 1959-7-8 2795 Modoc Alturas; S/4th St., E/East St. Comment
  CAS-BOT-BC190798  Orobanche corymbosa Bruce Bartholomew 1994-7-1 6745 Modoc 7.6 km NW of County Road 91 between Lookout and Lookout Jct. on County road 93. 1280 Comment
  UC27874  Orobanche fasciculata M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley near Lookout. Comment
  CAS-BOT-BC190786  Orobanche uniflora Bruce Bartholomew; Barrett Anderson 1989-6-1 4721 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  HSC29981  Orobanche uniflora D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19462 Modoc On hillside above the Rush Creek Campground ca. 8 mi. N of Adin. Comment
  RSA59720  Orobanche uniflora E. K. Balls 1950-5-18 14756 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  JEPS58800  Orthilia secunda L. S. Smith 1917-9-18 161 Modoc Lassen Creek, Warner Mts. 1981 Comment
  UC105960  Orthilia secunda Mrs. R. M. Austin 1894-1 146 Modoc Lassen Creek Comment
  CAS-BOT-BC232179  Orthocarpus cuspidatus subsp. copelandii Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2137 Modoc Cedar Pass, Warner Mountains Comment
  UC444910  Orthocarpus cuspidatus subsp. cryptanthus Mrs. M. H. Manning 1907-1 712 Modoc e side Mt. Bidwell (12 Mile Creek, ne Modoc Co.); e side of Mt. Bidwell, 12 Mile Creek Comment
  UC199368  Orthocarpus cuspidatus subsp. cryptanthus M. F. Gilman 560 Modoc 1981 Comment
  RSA210889  Orthocarpus hispidus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39068 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  RSA152438  Orthocarpus lacerus I. L. Wiggins, Dorothy Wiggins 1961-6-13 16463 Modoc 5 mi W of Fandango Pass, Warner Mtns. Comment
  HSC21591  Osmorhiza occidentalis M. T. Milligan 1966-7-3 548 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  NY1101852  Osmorhiza occidentalis K. Paulson 1988-6-19 49 Modoc Happy Camp Guard Station 1554 Comment
  CAS-BOT-BC211325  Oxyria digyna Elmer Ivan Applegate 1932-8-3 8137 Modoc W slope of Eagle Peak, Warner Mts. Comment
  UCR34759  Oxyria digyna J. A. Harpel 1981-8-6 V- 43 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC498758  Packera L. S. Smith 1924-6-1 s.n. Modoc Mooc Forest. West side Egg Lake Comment
  CAS-BOT-BC50347  Packera cana Bruce Bartholomew 1994-5-29 6730 Modoc Lava fields N of Big Sand Butte. 1270 Comment
  JEPS37603  Packera cana L. S. Smith 1918-7-7 975 Modoc Jess Valley Modoc National Forest 1524 Comment
  JEPS5947  Packera cana Frances D. Payne 1931-6-11 151 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC35953  Packera cana Mrs. R. M. Austin June 1895 Modoc Hills e Goose Lake Comment
  UC1035973  Packera eurycephala Helen K. Sharsmith 1955-6-25 4507 Modoc n slope Jess Valley; Warner Mountains, Modoc National Forest 1584 Comment
  CAS-BOT-BC190770  Paeonia brownii William Albert Weber 1953-5-14 8372 Modoc W end of Jess Valley, 10 mi. E of Likely. 1432 Comment
  CAS-BOT-BC190771  Paeonia brownii Bruce Bartholomew 1994-7-2 6815 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  CAS-BOT-BC190773  Paeonia brownii K. Paulson; Robert Paulson 1988-6-11 36 Modoc W bank of Stough Reservoir, Warner Mts.. 1524 Comment
  UC1004188  Paeonia brownii W. A. Weber 1953-5-14 8372 Modoc 10 mi e Likely (w end of valley); Jess Valley 1432 Comment
  CAS-BOT-BC190779  Paeonia brownii John H. Hatton 1911-6-10 18 Modoc Modoc County. 1786 Comment
  RSA281693  Paeonia brownii S. O. Mattoon 1979-7-13 95 Modoc Patterson Meadows at Patterson G. S., S. Warner Mountains 22 air miles east of Highway 395 at Likely 2195 Comment
  JEPS70586  Panicum capillare Leland S. Smith 1918-9-20 1061 Modoc Surprise Valley , Modoc National Forest 1371 Comment
  POM229219  Panicum capillare L. C. Wheeler 1935-9-13 3984 Modoc Devil's Garden; Fletcher Creek at Pease Place 1524 Comment
  SD148006  Panicum capillare Sheryl Gill 1996-9-3 Modoc at the Tule Lake National Wildlife Refuge - Frey's Island, southeast part of the refuge in southern sump, old agricultural fields 1228 Comment
  UC188931  Panicum capillare Milo S. Baker Modoc Big Valley Mountains Comment
  UC53642  Panicum capillare M. S. Baker and Frank Nutting 1894-8-20 Modoc Big Valley Mountains Comment
  NY783754  Parnassia fimbriata B. M. Bartholomew 1990-8-4 5651 Modoc Side tributary in upper reaches of Owl Creek drainage, east side of Warner Mountains 2500 Comment
  CAS-BOT-BC232314  Pedicularis attollens Robert Patterson; Mona Bourell 1993-8-14 5216 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  POM44194  Pedicularis attollens R. M. Austin 1895-07 409 Modoc Goose Lake Valley. Comment
  RSA0025567  Penstemon John F. Emmel 1996-7-16 1438 Modoc Larkspur Hills east of Surprise Valley. Gentle slope north of road, along County Road 6, ca. 0.5 road mi WNW of Schamp Creek crossing. 1524 Comment
  CAS-BOT-BC232347  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-7-7 7519 Modoc Dry rocky eastern slope of Crane Mountain, Warner Mountains Comment
  POM43207  Penstemon deustus subsp. deustus R. M. Austin 1890-07 535 Modoc Goose Lake Valley Comment
  HSC1971  Penstemon deustus var. pedicellatus M. T. Milligan 1965-6-30 394 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  JEPS11230  Penstemon deustus var. pedicellatus Mrs. M. H. Manning 1907-5-1 Modoc Twelve Mile Creek, ne Modoc County Twelve Mile Creek Comment
  CAS-BOT-BC245537  Penstemon gracilentus John Thomas Howell 1934-6-14 12176 Modoc Patterson Mill Road 2133 Comment
  HSC20994  Penstemon gracilentus M. T. Milligan 1966-8-3 626 Modoc W slope of Eagle Peak 2439 Comment
  UC711891  Penstemon gracilentus Roxana S. Ferris and Laura Lorraine 1941-8-13 10520 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest, East Creek drng (Modoc National Forest, Warner Mountains) 2164 Comment
  UC27452  Penstemon gracilentus Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC497202  Penstemon heterophyllus John H. Hatton 1911-6-15 106 Modoc Modoc Forest, near Happy Camp 1463 Comment
  NY604217  Penstemon janishiae M. J. Williams 1988-5-28 8824- 2 Modoc Grade up to Crowder Flat from Highway 229, west of Alturas. 1478.3 Comment
  SEINET4854504  Penstemon janishiae Unknown 1978-6-8 8883 Modoc Crowder Flat Rd., 0.5 km (0.3 mi) from junction with California Highway 395 (Alturas). 1340 Comment
  SBBG7136  Penstemon laetus H. and M. Dearing 1939-6-7 3574 Modoc near Adin Comment
  UC1586981  Penstemon laetus Juha Pykala and D. H. Norris 1987-5-27 1082 Modoc about 1.5-2 mi from Highway 299 to Modoc National Forest boundary (Crowder Flat Road) 1499 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-BC232510  Penstemon roezlii David Daniels Keck; Jens Chr. Clausen 1935-6-24 3717 Modoc 9 mi. S of New Pine Creek (1/2 mi. N of Buck's Ranger Station). 1525 Comment
  CAS-BOT-BC232515  Penstemon roezlii John Thomas Howell 1934-6-30 12269 Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC232519  Penstemon roezlii Bruce Bartholomew; Barrett Anderson 1988-6-23 4246 Modoc 4.2 km NW of Day. 1020 Comment
  JEPS126555  Penstemon roezlii Lowell Ahart, John Dittes 2016-6-6 20944 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
  NY650108  Penstemon roezlii A. J. Cronquist 1959-6-20 8529 Modoc On the east slope of the Warner Mountains, near Fandango Pass. 1828.8 Comment
  NY650132  Penstemon roezlii L. Constance 1938-6-12 2335 Modoc Open flat near foot of Banner Grade, Cedar Pass road, 12.8 miles northeast of Alturas, western foothills of the Warner Range 1463.0 Comment
  NY650135  Penstemon roezlii C. L. Hitchcock 1940-5-28 6719 Modoc 15 miles north of Alturas (near Surprise) 1402.1 Comment
  NY677132  Penstemon roezlii K. Paulson 1988-6-11 20 Modoc Barnes Garden, Crowser Flat Road to Devil's Garden 1433 Comment
  SEINET195629  Penstemon roezlii Annie M. Alexander, L Kellogg 1946-6-17 4788 Modoc Cedar Pass rd 10 mi NE of Alturas Comment
  SEINET195630  Penstemon roezlii Annie M. Alexander, L Kellogg 1946-6-12 4740 Modoc Fandango Pass rd 1707 Comment
  NY650111  Penstemon roezlii B. M. Bartholomew 1988-6-25 4392 Modoc 5.6 km northwest of State Highway 299 on County Road 73. Big Sage Reservoir 15' Quad. 1500 Comment
  UC1094750  Penstemon roezlii Francia Chisaki 1956-5-29 863 Modoc 7.1 mi e of the junction of Highway #395 and road to Cedarville ((on the latter road)); road to Cedarville Comment
  UC27497  Penstemon roezlii Milo S. Baker 1893-6 Modoc adobe soil Comment
  UC725543  Penstemon roezlii A. A. Heller 1941-6-26 16225 Modoc on State Hwy 299 seven mi w Canby; w of Canby Comment
  UC748151  Penstemon roezlii Annie M. Alexander and Louise Kellogg 1946-6-17 4788 Modoc 10 mi ne Alturas (in open plain); Cedar Pass road, ne of Alturas Comment
  UCD124163  Penstemon roezlii Jack Major 1966-6-24 s.n. Modoc Above Goose Lake, west side of Fandango Pass. 1645 Comment
  CAS-BOT-BC245485  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  CAS-BOT-BC245489  Penstemon rydbergii var. oreocharis Leland S. Smith 1922-7-7 1254 Modoc High Grade N of Ft. Bidwell. 2316 Comment
  CAS-BOT-BC245502  Penstemon rydbergii var. oreocharis John Thomas Howell 1934-6-12 12022 Modoc Plum Valley. Comment
  NY651315  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 miles north of Alturas 1402.1 Comment
  SBBG27139  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi N of Alturas 1402 Comment
  CAS-BOT-BC245557  Penstemon speciosus Bruce Bartholomew 1995-8-1 7156 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CAS-BOT-BC245564  Penstemon speciosus Milo Samuel Baker 1893-7-8 s.n. Modoc Lava beds. Comment
  RSA11915  Penstemon speciosus Elmer I. Applegate 1932-8-1 8037 Modoc High arid summit of Warner Mountains, south of Warren Peak. Comment
  RSA59600  Penstemon speciosus Verne Grant, Alva Grant 1950-7-14 8947 Modoc On north flank of Cedar Mt, Warner Mtns. 2195 Comment
  CAS-BOT-BC214725  Peraphyllum ramosissimum Bruce Bartholomew; Barrett Anderson 1988-5-13 4140 Modoc N side of Dorris Reservoir, ca. 4 km E of Alturas along Parker Creek Road. 1340 Comment
  CAS-BOT-BC214729  Peraphyllum ramosissimum Leland S. Smith 1920-6-15 1199 Modoc Plateau W of Alturas. 1341 Comment
  UCR34827  Perideridia J. A. Harpel 1981-8-6 V- 17 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC15711  Perideridia bolanderi subsp. bolanderi R. K. Gierisch; D. H. Esplin 1969-7-15 3542 Modoc Modoc County. 1524 Comment
  HSC21603  Perideridia gairdneri subsp. gairdneri M. T. Milligan 1966-8-3 625 Modoc W slope of Eagle Peak 2439 Comment
  HSC80791  Perideridia gairdneri subsp. gairdneri G. M. Riegel 1979-9-1 736 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC15714  Perideridia oregana John Thomas Howell 1934-6-30 12287 Modoc Duncan Horse Camp. 1355 Comment
  CDA13452  Perideridia oregana G. F. Hrusa, T. D. Wilfred 1996-7-21 13299 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC1389987  Perideridia oregana T. I. Chuang and R. S. Mitchell 1966-7-19 6055 Modoc 19 mi nw Davis Creek (w side of lake); Goose Lake Comment
  JEPS124309  Phacelia egena Lowell Ahart, John Dittes 2015-7-15 20339 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
  HSC81070  Phacelia hastata G. M. Riegel 1980-8-28 1070 Modoc S Warner Mtns. 1739 Comment
  JEPS81022  Phacelia hastata subsp. compacta J. P. Smith and J. O. Sawyer 1973-8-8 7239 Modoc s slopes of peak Eagle Peak 2560 Comment
  RSA504603  Phacelia hastata subsp. hastata Bruce Bartholomew, B. Anderson 1988-6-23 4267 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  RSA531368  Phacelia hastata subsp. hastata Bruce Bartholomew, B. Anderson 1990-7-20 5527 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC180017  Phacelia heterophylla subsp. virgata John Thomas Howell 1934-6-11 11911 Modoc Parker Creek. 1584 Comment
  UC660058  Phacelia heterophylla subsp. virgata Alan A. Beetle 2820 Modoc 10 mi w Alturas (road from Alturas to Cedarville) 1371 Comment
  CDA40368  Phacelia humilis John Elliot 1975-8-3 150 Modoc Benton Meadows, Modoc National Forest, north of Lake City. 0 Comment
  UC24374  Phacelia humilis L. A. M. Black 1894-7-1 Modoc Comment
  CAS-BOT-BC179972  Phacelia humilis var. humilis M. M. Hanna 1956-6-5 s.n. Modoc Cedar Pass Camp ground. Comment
  CAS-BOT-BC179997  Phacelia humilis var. humilis Francis Dorris Payne 1931-6-25 264 Modoc Pine Creek Basin. 2316 Comment
  CAS-BOT-BC179994  Phacelia humilis var. humilis Clarence Roy Quick 1934-7-24 1352 Modoc 2-3 1/2 mi. NE of Patterson Ranger Station. 2438 Comment
  POM260003  Phacelia humilis var. humilis C. L. Hitchcock 1940-5-27 6678 Modoc 15 miles NE of Alturas. 1616 Comment
  POM299083  Phacelia humilis var. humilis Alice Eastwood, J. T. Howell 1940-6-13 8185 Modoc West side of Cedar Pass. Comment
  RSA155795  Phacelia humilis var. humilis Peter H. Raven 1962-5-29 17890 Modoc 0.8 mile west of Cedar Pass, Warner Mountains. 1860 Comment
  RSA502328  Phacelia inundata D. W. Taylor, G. Clifton, R. Palmer 1987-8-9 9271 Modoc Dry Lake; T44N R6E S5 1341 Comment
  CAS-BOT-BC179947  Phacelia linearis Annie Montague Alexander; L. Kellogg 1946-6-18 4798 Modoc Patterson Mill-Silver Creek Rd. 1828 Comment
  UC526140  Phacelia linearis John Thomas Howell 1934-6-13 12081 Modoc Fandango Pass Warner Mts. 1828 Comment
  RSA83104  Phacelia linearis Verne Grant, Alva Grant 1947-7-13 8017 Modoc Fandango Pass, Warner Mountains. Comment
  CAS-BOT-BC179944  Phacelia mutabilis Annie Montague Alexander; L. Kellogg 1946-6-12 4735 Modoc Fandango Pass road. 1676 Comment
  RSA134035  Phacelia mutabilis L. R. Heckard 1952-6-19 312 -a Modoc Just below summit of Fandango Pass, Warner Mountains, southwest of Fort Bidwell. 1829 Comment
  RSA582231  Phacelia mutabilis Louis C. Wheeler 1935-8-10 3824 Modoc Lily Lake, Pine Creek, Warner Mountains. 2134 Comment
  SEINET5506815  Phacelia purpusii M. J. Williams 1968-6-1 s.n. Modoc Warner Mountains, Cedar Pass 1920 Comment
  UC660147  Phacelia ramosissima var. ramosissima Marion Ownbey and Fred G. Meyer 1940-7-1 2156 Modoc Cedar Peak Warner Mts. (se slopes) 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
  JEPS1335  Phacelia sericea var. ciliosa L. S. Smith 1918-8-17 1038 Modoc Eagle Pk. Ridge Modoc <National> Forest, Warner Mts. (at Break) 2621 Comment
  UC1561067  Phacelia sericea var. sericea Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10443 Modoc cirque headwall above South Emerson Lake; Warner Mountains, Emerson Creek drainage 2560 Comment
  CAS-BOT-BC179917  Phacelia thermalis Alice Eastwood; John Thomas Howell 1940-6-15 8287 Modoc 9 mi. N of Lookout. Comment
  JEPS2794 Image available Phacelia thermalis M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley; ; Little Hot Spring Valley, Modoc Co. Comment
  POM63285  Phacelia thermalis Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  UC56441  Phacelia thermalis Milo S. Baker 1899-8-18 Modoc Little Hot Spring Valley; ; Little Hot Spring Valley, Modoc Co. Comment
  UC791037  Phacelia thermalis Calvin McMillan and Malcolm Nobs 1949-6-16 1533 Modoc Porcupine Valley, ca. 30 miles northwest of Canby Comment
  POM261000  Phacelia thermalis Alice Eastwood, J. T. Howell 1940-6-15 8287 Modoc 9 miles N of Lookout Comment
  CHSC112098  Phalaris arundinacea Lowell Ahart; John Dittes 2012-7-10 18320 Modoc Along a deep drainage, northeast of the old homestead, Ash creek State Wildlife Area, about 3.4 miles (air) wast of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UCD88512  Phalaris arundinacea G. F. Hrusa; T. D. Wilfred 1996-7-21 13322 Modoc Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mountain. N end of Big Valley. 1500 Comment
  CHSC27609  Phleum alpinum Robert A. Schlising 1978-7-29 3322 Modoc Warner Mountains, Pine Creek Basin, S Warner Wilderness. Meadow at streamside. Comment
  UC1137083  Phleum alpinum August L. Hormay 1932-7-17 Modoc Lily Lake Comment
  UCD89652  Phleum pratense Leo Whitney 1935-7-2 s.n. Modoc Happy Camp. Comment
  UC880380  Phlox caespitosa Lewis S. Rose 1940-6-14 40579 Modoc 5 mi w Perez; Mammoth Cave 1280 Comment
  CAS-BOT-BC197952  Phlox diffusa F. Angwin 1946-4-21 s.n. Modoc Stonecoal Canyon near Adin Comment
  UCSB17308  Phlox diffusa J. Haller 1961-6-25 1865 Modoc CA 3 MI S OF PATTERSON RANGER STATION (EAGLEVILLE-LIKELY RD; CA 0.5 MI W OF CREST OF WARNER MOUNTAINS) 2285 Comment
  CAS-BOT-BC197923  Phlox douglasii subsp. rigida C. C. (Mrs.) Bruce 1893-6-1 79 Modoc Davis Creek. Comment
  CAS-BOT-BC197932  Phlox douglasii subsp. rigida Elmer Ivan Applegate 1932-6-9 7572 Modoc N slope of Bidwell Mountain. Comment
  POM260319  Phlox douglasii subsp. rigida C. L. Hitchcock 1940-5-28 6730 Modoc near Surprise, ca. 15 miles north of Alturas. 1402 Comment
  RSA271922  Phlox douglasii subsp. rigida Christopher Davidson 1975-6-4 2604 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of Hwy 395. 1500 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
  CAS-BOT-BC197921  Phlox douglasii subsp. rigida John H. Hatton 1911-6-12 43 Modoc Modoc County. 1463 Comment
  UC879774  Phlox gracilis C. L. Hitchcock 1940-5-27 6685 Modoc 15 mi ne Alturas 1615 Comment
  CAS-BOT-BC197888  Phlox hoodii subsp. canescens Bruce Bartholomew 1991-5-24 5729 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  CHSC112114  Phlox hoodii subsp. canescens L. P. Janeway; B. Castro 2014-6-2 11289 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  HSC26501  Phlox hoodii subsp. canescens J. P. Smith, J. O. Sawyer 1972-5-6 5253 Modoc County Rd. 86, just E of Adin. 1098 Comment
  HSC17189  Phlox hoodii subsp. lanata M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir Comment
  RSA27670  Phlox rigida C. L. Hitchcock 1940-5-28 6730 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  HSC45811  Phlox stansburyi J. P. Smith, J. O. Sawyer 1972-5-6 5269 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  CAS-BOT-BC197868  Phlox stansburyi John H. Hatton 1911-6-10 26 Modoc Modoc County. 1524 Comment
  JEPS70004  Phlox stansburyi Frances D. Payne 1932-6-8 420 Modoc 3 mi n Alturas (on road to Cedarville) Comment
  SJSU13883  Phlox stansburyi N. A. Hopkins 1985-5-13 1271 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
  UC449765  Phlox stansburyi Mrs. M. H. Manning 1907-4-23 713 Modoc e side Warner Range; , Warner Valley Mts. Comment
  CHSC118070  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-17 12008 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  CHSC118079  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-18 12052 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  CAS-BOT-BC58306  Phoenicaulis cheiranthoides Annie Montague Alexander; L. Kellogg 1946-6-26 4834 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  CAS-BOT-BC58310  Phoenicaulis cheiranthoides K. Paulson; Robert Paulson 1989-4-16 98 Modoc Crowder Flat Road, Devil's Garden Comment
  CAS-BOT-BC58580  Phoenicaulis cheiranthoides E. S. Willits 1940-4-16 185 Modoc Foothills above Willow Ranch, Highway 295. Comment
  HSC6881  Phoenicaulis cheiranthoides M. T. Milligan 1966-5-4 620 Modoc Plateau W of Jess Valley 1829 Comment
  JEPS5962  Phoenicaulis cheiranthoides Frances D. Payne 1931-6-21 210 Modoc s and e of Alutras (sw of Dry Creek, tributary of Parker Creek); Warner Mountains 1981 Comment
  UC117652  Phoenicaulis cheiranthoides unknown Apr. 1890 465 Modoc Goose Lake Valley Comment
  UCSB31430  Pinus albicaulis Haller, John 1978-7-19 Modoc Summit ridge of Warner Mountains, 1 km. north of the Likely-Eagleville Road 2377 Comment
  CAS-BOT-BC78284  Pinus attenuata M. B. Kildale 1926-9-11 2773 Modoc between Alturas + the Oregon line 1371 Comment
  NY49935  Pinus contorta var. murrayana B. M. Bartholomew 1988-7-22 4520 Modoc South end of Bearcamp Flat, southern end of Warner Mountains. Emerson Peak 7.5' Quad [topographic map] 2230 Comment
  CAS-BOT-BC73167  Pinus jeffreyi Elmer I. Applegate 1932-8-4 8147 Modoc Near and south of Cantrall Mill, on road to Mill Creek meadows, Warner Mountains. 1828 Comment
  UCSB18054  Pinus monticola Haller, John 1962-6-8 Modoc Vicinity of Cave Lake, 1 mile west of Summit of New Pine Creek-Fort Bidwell Road, Warner Mountains 2072 Comment
  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
  CHSC117877  Plagiobothrys cognatus L. P. Janeway 2016-5-16 11976 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  JEPS119660  Plagiobothrys cusickii Lowell Ahart, John Dittes 2012-7-11 18332 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
  JEPS118249  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2011-6-22 17540 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  UC573117  Plagiobothrys hispidulus F. H. Frost July, 1925 180 Modoc Clear Lake Warner Mountains Comment
  CAS-BOT-BC58793  Plagiobothrys leptocladus Alice Eastwood; John Thomas Howell 1940-6-13 8165 Modoc Surprise Valley, 6 mi. S of Fort Bidwell. Comment
  UC1540171  Plagiobothrys mollis Dean W. Taylor 1987-8-9 9286 Modoc on shore 100 meters w of dam Clear Lake Reservoir 1371 Comment
  RSA531369  Plagiobothrys mollis Bruce Bartholomew 1990-7-19 5401 Modoc Turner Creek at County Road 90, N end of Big Valley. 6.4 km N of Lassen County border 1230 Comment
  CAS-BOT-BC58726  Plagiobothrys mollis var. mollis John Thomas Howell 1934-7-2 12363 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  CAS-BOT-BC58795  Plagiobothrys mollis var. mollis Bruce Bartholomew; Barrett Anderson 1988-7-21 4421 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC58798  Plagiobothrys mollis var. mollis Bruce Bartholomew; Barrett Anderson 1990-7-19 5401 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC58796  Plagiobothrys mollis var. mollis Herbert Louis Mason; Verne Grant 1947-7-12 13407 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  CAS-BOT-BC58757  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-14 8220 Modoc 8 mi. NW of Canby. Comment
  RSA611433  Plagiobothrys scouleri L. C. Wheeler 1936-8-16 3865 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Nts. 2226 Comment
  POM312570  Plagiobothrys scouleri var. cusickii H. L. Mason, Verne Grant 1947-7-12 13415 Modoc Near south end of West Side Rd. along railroad tracks, Pit River Valley, south of Alturas 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
  SD130520  Plagiobothrys stipitatus var. micranthus B. Bartholomew, B. Anderson 1988-6-23 4250 Modoc 4.2 km northwest of Day. 1020 Comment
  RSA611432  Plagiobothrys stipitatus var. micranthus L. C. Wheeler 1935-8-18 3893 Modoc 2 miles northeast of Alturas 1357 Comment
  CAS-BOT-BC58770  Plagiobothrys tenellus James D. Jokerst 1983-5-31 1806 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC190748  Plantago major Bruce Bartholomew 1990-8-3 5615 Modoc 8 km E of Likely on road to Jess Valley. Along S Fork of the Pit River. 1420 Comment
  RSA210876  Plantago major Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39121 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  HSC31998  Platanthera dilatata var. leucostachys A. Montalvo, J. D. Ackerman 1974-7-5 366 Modoc Near the confluence of Bolan Creek and Thoms Creek, just W of Cedar Pass Comment
  CAS-BOT-BC242222  Platanthera hyperborea R. M. Austin 1885-8-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information Comment
  UC71857  Platanthera leucostachys Mrs. M. H. Manning 1903-8-9 316 Modoc near Fort Bidwell (ne Modoc County) Comment
  CAS-BOT-BC136652  Platanthera stricta Oliver Austin 1885-7-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC242208  Platanthera stricta Bruce Bartholomew 1989-8-11 5075 Modoc Field redacted by CAS, contact the data manager for more information 1920 Comment
  UC1018936  Plectritis macrocera Lois Hoit 1938-1 Modoc Cedar Mountain Comment
  UCSB16506  Plectritis macrocera Haller, John 1962-6-7 Modoc Little Meadows campground, South Fork of the Pit River, 8 miles east of Likely, 1.5 miles west of the western end of Jess Valley, Warner Mountains 1524 Comment
  JEPS36545  Pleiacanthus spinosus W. L. Jepson 1918-8-9 7918 Modoc Ft. Bidwell 1432 Comment
  UC71610  Pleiacanthus spinosus Mrs. M. H. Manning 1894-3 258 Modoc Mt. Bidwell, ne Modoc County Mt. Bidwell Comment
  UC710915  Poa C. L. Hitchcock 1940-5-27 6732 Modoc 12 mi ne Alturas 1615 Comment
  UC1024979  Poa X fibrata Leo Whitney 1935-7-6 3419 Modoc Crank Springs Comment
  UCD90686  Poa bulbosa M. V. Maxwell 1930-1 s.n. Modoc Adin. Comment
  HSC10656  Poa bulbosa M. T. Milligan 1964-6-20 74 Modoc Old Rodeo Grounds, Alturas. 1372 Comment
  SEINET201657 Image available Poa canbyi Unknown 1959-6-19 8491 Modoc At Clear Lake; Warner Mts. 15 miles east of Likely . 1769 Comment
  SD96114  Poa cusickii Jack L. Reveal 1976-6-2 1839 Modoc Modoc National Forest near Perez 1280 Comment
  UCD90533  Poa leptocoma August L. Hormay 1932-7-17 s.n. Modoc 1.25 miles south of the California-Oregon Garden. Warner Mountains, Yellow Mountain area. Modoc National Forest. Lily Lake. 8 miles (in direct line) NNW Fort Bidwell. Comment
  RSA534588  Poa nervosa Bruce Bartholomew, B. Anderson 1990-7-20 5544 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  RSA534589  Poa nervosa Bruce Bartholomew 1990-7-20 5464 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  HSC10754  Poa pratensis M. T. Milligan 1965-6-23 284 Modoc N end Jess Valley 1616 Comment
  UCD91855  Poa pratensis J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  JEPS74050  Poa pratensis subsp. pratensis Frances D. Payne 1932-7-20 719 Modoc s and e Alturas (Parker Creek); Warner Mts 1584 Comment
  CAS-BOT-BC255023  Poa secunda Roxana S. Ferris; Laura Lorraine 1941-8-14 10582 Modoc 3 miles from Patterson Ranger Station on road to Eagleville, Warner Mountains, Modoc National Forest Comment
  CHSC115478  Poa secunda subsp. juncifolia L. P. Janeway 2014-7-8 11455 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  CHSC85399  Poa secunda subsp. juncifolia John Dittes; Josephine Guardino 1991-7-21 441 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
  UC1037155  Poa secunda subsp. juncifolia Leo Whitney 1935-7-7 3396 Modoc 4 mi nw Canby (Howard Gulch) Comment
  UC1132566  Poa secunda subsp. juncifolia Leo Whitney 1935-7-15 Modoc near Bull's Eye Lake Comment
  CAS-BOT-BC247664  Poa secunda subsp. secunda C. L. Hitchcock 1940-5-28 6725 Modoc 15 mi. N of Alturas. 1402 Comment
  CAS-BOT-BC247667  Poa secunda subsp. secunda Isabel T. Kelly 1930-1-1 s.n. Modoc Modoc County. Comment
  CHSC117017  Poa secunda subsp. secunda Lowell Ahart; John Dittes 2016-6-6 20940 Modoc About 20 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC118081  Poa secunda subsp. secunda L. P. Janeway 2016-5-16 12002 Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Apple-gate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  UC1024880  Poa secunda subsp. secunda Leo Whitney 1935-5-29 3143 Modoc ca 18 mi wnw Canby (Hole-in-the-rock) Comment
  UC1024996  Poa secunda subsp. secunda Leo Whitney 1935-7-7 3393 Modoc 4 mi nw Canby (Howard Gulch) Comment
  UC1037148  Poa secunda subsp. secunda Leo Whitney 1935-7-6 3424 Modoc near Lookout Pit River Comment
  UCD32705  Poa secunda subsp. secunda Beecher Crampton 1954-7-7 2131 Modoc W side of Cedar Pass, Warner Mountains. 1889 Comment
  UCD92103  Poa secunda subsp. secunda L. Whitney 1935-7-7 3393 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  CAS-BOT-BC247654  Poa wheeleri Bruce Bartholomew 1990-6-16 5271 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  CAS-BOT-BC252513  Poa wheeleri E. S. Willits 1940-5-16 252 Modoc Willow Ranch. Comment
  UCD91754  Poa wheeleri L. Whitney 1935-5-26 3154 Modoc Ash Creek, 10 miles E of Adin. Comment
  CHSC67514  Pogogyne floribunda J. D. Jokerst 1986-8-11 2762 Modoc Of the center of T45N R07E S20 NE1/4. Modoc National Forest, Devils Garden Ranger District (south of Clear Lake). About 1.2 miles WNW of Rim Rock Lake, S of Doublehead Mountain. Comment
  UC1561019  Pogogyne floribunda Dean W. Taylor 1988-8-11 10039 Modoc near Lone Pine Lake (ca. 6 miles S of Clear Lake Reservoir) NE1/4 of NW1/4 (Hackmore 15' quadrangle, on road to Davis Spring. 1380 Comment
  UC1597731  Pogogyne floribunda J. D. Jokerst 1987-6-23 2930 Modoc 2 mi. s.w. Doublehead Mt. (at n. end large unnamed dry lakebed, s. of Clear Lake, Devils Garden Ranger District, Modoc Nat'l Forest); Modoc Nat'l Forest, Devils Garden Ranger District Comment
  CAS-BOT-BC95164  Polanisia dodecandra subsp. trachysperma Margaret J. Williams 1983-9-13 83- 150 -1 Modoc Near Hwy 299, just E of Adin. Comment
  NY630440  Polanisia dodecandra var. trachysperma M. J. Williams 1983-9-13 83150- 1 Modoc Near Highway 299, just east of Adin 1539.2 Comment
  RSA0068909  Polemoniaceae Austin 1897-07 s.n. Modoc Goose Lake Comment
  CAS-BOT-BC197858  Polemonium micranthum Bruce Bartholomew 1994-5-14 6687 Modoc 5.1 km SE of Burlington Railroad Northern railroad track on road between Egg Lake and Lookout. 1400 Comment
  UC1060642  Polygonum Herbert L. Mason 1955-8-14 14655 Modoc n of Rim Rock Valley Reservoir (Frift Fence Reservoir); Frift Fence Reservoir Comment
  UC465747  Polygonum bistortoides Franklin P. Nutting Modoc flat near Forestdale Comment
  RSA628303  Polygonum buxiforme Louis C. Wheeler 1973-8-23 s.n. Modoc Alturas. Comment
  CHSC112815  Polygonum douglasii Lowell Ahart; John Dittes 2013-7-25 18964 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
  RSA518871  Polygonum douglasii Barbara J. Ertter 1988-6-18 7615 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Nat'l Monument E of Tonesta. 1311 Comment
  UC466035  Polygonum douglasii subsp. austiniae Mrs. R. M. Austin Aug. 1894 304 Modoc Davis Creek Comment
  JEPS94840  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
  RSA125291  Polygonum kelloggii Peter H. Raven, Otto T. Solbrig 1958-6-18 13318 Modoc Meadow in forest of Pinus Jeffreyi, along dirt road 8.8 mi. south of Happy Camp Guard Station, Modoc National Forest. Comment
  NY412807  Polygonum kelloggii var. kelloggii B. M. Bartholomew 1988-5-12 4097 Modoc White Horse 15' Quad. 1340 Comment
  RSA210873  Polygonum lapathifolium Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39107 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CDA22824  Polygonum lapathifolium T. C. Fuller 1958-8-12 2070 Modoc Corporation Ranch, Likely. 0 Comment
  UC1060643  Polygonum polygaloides Herbert L. Mason 1957-7-6 14725 Modoc Rim Rock, West of Goose Lake Comment
  CHSC67586  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3212 Modoc Hwy. 139 NW of Canby, 5.3 mi W of junction with Loveness Rd. Comment
  JEPS98241  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-18 1412 Modoc 14 mi NW of Canby (on N side of Hwy 139; ca 0.9 mi e of FSR 44N11) 1466 Comment
  POM260895  Polygonum polygaloides subsp. confertiflorum Alice Eastwood, John T. Howell 1940-6-14 8210 Modoc 8 miles NW of Canby Comment
  RSA65860  Polygonum polygaloides subsp. confertiflorum Alice Eastwood, John T. Howell 1940-6-14 13052 Modoc 8 miles NW of Canby Comment
  JEPS50549  Polygonum polygaloides subsp. confertiflorum Milo S. Baker 1893-6-28 Modoc in Modoc County Modoc County 1371 Comment
  OBI70749  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 s.n. Modoc Devils Garden: Ca. 1/4 mi SW of Big Sage Reservoir. T43N R12E sec 18 Comment
  RSA638221  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 s.n. Modoc Devils Garden: Ca. 1/4 mile southwest of Big Sage Reservoir. Comment
  UC1093678  Polygonum polygaloides subsp. confertiflorum H. L. Mason 1955-8-14 14657 Modoc n Everly Reservoir Comment
  CAS-BOT-BC218177  Polygonum polygaloides subsp. esotericum Alice Eastwood; John Thomas Howell 1940-6-14 8228 Modoc 8 mi. NW of Canby. Comment
  SJSU9598  Polygonum polygaloides subsp. esotericum W. Savage 1979-7-5 1366 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD77934  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1408 Modoc Ca. 13 mi nw of Canby, along n side of Hwy 139, 500 ft w of Forest Service Rd 44N11. 1478 Comment
  UCR208105  Polygonum sawatchense subsp. sawatchense Arnold Tiehm 1984-6-30 08841 Modoc NE ('northwest') side of Mount Bidwell, 2.8 road miles north of Eightmile Creek on the road from Lake Annie 1829 Comment
  CAS-BOT-BC252510  Polypogon monspeliensis Bruce Bartholomew 1992-5-15 6283 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  CAS-BOT-BC252511  Polypogon monspeliensis Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-7-20 1052 Modoc 4 mi. W of Aden. Comment
  UC1037169  Polypogon monspeliensis Leo Whitney 1935-7-17 3514 Modoc Hackamore Lake Joaquina (ca 15 mi nw of Canby, Modoc National Forest); Modoc National Forest, , Hackamore 1463 Comment
  CAS-BOT-BC225108  Populus trichocarpa Elmer Ivan Applegate 1932-7-6 8207 Modoc Bidwell Creek, above Ft. Bidwell, Warner Mts. Comment
  UC1192035  Porterella carnosula Herbert L. Mason 1947-8-12 13502 a Modoc Alturas junction of North and South Forks of Pit River (junction of North and South Forks of Pit River) Comment
  SEINET10939153  Porterella carnosula Lawrence R. Heckard 1978-7-19 Heckard 4888 Modoc Warner Mts., about 3 miles southwest of Patterson Ranger Station, just north of Lassen County line 2012 Comment
  CAS-BOT-BC242250  Potamogeton epihydrus Verne Grant; I. Schneider 1947-7-21 8127 Modoc North Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  POM313001  Potamogeton epihydrus var. epihydrus Verne Grant, Irving Schneider 1947-7-21 8127 Modoc N Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  JEPS102211  Potamogeton gramineus J. Greenhouse 2001-6-11 5018 Modoc Small pond on N side of Forest Rd. 42N60 (Loveness Rd.) a few miles W of Hwy 139, about 9 mi NW of Canby. Comment
  CAS-BOT-BC242233  Potamogeton natans Bruce Bartholomew 1991-6-23 5875 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  CAS-BOT-BC242235  Potamogeton natans Louis Cutter Wheeler 1935-9-11 3973 Modoc Fletcher Creek, Devia's Garden. 1524 Comment
  UC431  Potamogeton natans Milo S. Baker 1893-6 Modoc Egg Lake Comment
  UCSC001853  Potamogeton natans M. S. Baker 1899-8-18 s.n. Modoc pond Little Hotsprings Valley Little Hotsprings Valley Comment
  CAS-BOT-BC242230  Potamogeton nodosus Robert Folger Thorne; et al 1969-9-4 39129 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC242231  Potamogeton nodosus Bruce Bartholomew 1994-5-29 6732 Modoc Curtis Water Hole, NW of Egg Lake. 1280 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-BC242269  Potamogeton zosteriformis Herbert Louis Mason; Verne Grant 1947-7-12 13384 Modoc Jones Lane, off Hwy 395, several miles S of Alturas. Comment
  CHSC116072  Potentilla biennis Lowell Ahart; John Dittes 2015-7-16 20373 -A Modoc South edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS47228  Potentilla breweri Frances D. Payne 1931-6-29 304 A Modoc e slope of Mt. Warren Warner Mts., e slope of Mt. Warren 2286 Comment
  RSA281646  Potentilla fruticosa S. O. Mattoon 1979-7-20 97 Modoc Bidwell Peak SE of Dismal Swamp, 6 air-miles E of highway 395 at Newpine creek, Warner mountains. 2500 Comment
  UC1594792  Potentilla gracilis David Charlet 1989-8-15 499 Modoc 1 km nw Eagle Peak (Upper Slide Creek); South Warner Mountains, Upper Slide Crk, nw of Eagle Pk 2550 Comment
  UC545660  Potentilla gracilis John Thomas Howell 1934-7-1 12306 Modoc Duncan Horse Camp Comment
  POM312886  Potentilla gracilis var. flabelliformis Verne Grant 1947-7-19 8073 Modoc Williams Ranch; along Southern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. Comment
  RSA14932  Potentilla newberryi J. T. Howell 1934-7-2 12356 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  CAS-BOT-BC225027  Poteridium annuum Bruce Bartholomew; Barrett Anderson 1988-6-23 4240 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  HSC14304  Prunella vulgaris subsp. lanceolata M. T. Milligan 1965-6-26 337 Modoc N end Jess Valley. 1616 Comment
  CAS-BOT-BC214808  Prunus emarginata A. D. Borden 1911-6-14 s.n. Modoc S slope Davis Creek. Comment
  JEPS27653  Prunus emarginata L. S. Smith 1917-1 Modoc California Comment
  CAS-BOT-BC225001  Prunus subcordata Bruce Bartholomew; Barrett Anderson 1988-5-14 4192 Modoc 7 km S of turn off to Crowder Flats along West Side Road, W side of Goose Lake. 1410 Comment
  JEPS19416 Image available Prunus subcordata B. C. Goldsmith Modoc e edge Goose Lake Valley (w slope of mountains); Warner Mts.; Goose Lake Valley, Warner Mts. Comment
  JEPS44965  Prunus subcordata W. L. Jepson 1918-8-6 7829 Modoc Davis Creek 1371 Comment
  UC711842  Prunus subcordata Roxana S. Ferris and Laura Lorraine 1941-8-14 10621 Modoc Summit of Fandago Pass (on road between Fort Bidwell and Pine Creek); Modoc National Forest, Warner Mountains 1889 Comment
  CAS-BOT-BC225003  Prunus virginiana var. demissa Leland S. Smith 1917-7-10 94 Modoc Granger Mill Camp. 1905 Comment
  CAS-BOT-BC225009  Prunus virginiana var. demissa A. D. Borden 1911-8-9 s.n. Modoc S slope of Shields Creek. Comment
  CAS-BOT-BC225016  Prunus virginiana var. demissa A. D. Borden 1911-8-9 Modoc S slope of Shields Creek. Comment
  SJSU9683  Prunus virginiana var. demissa W. Savage 1979-7-26 1573 Modoc Long Meadow Unit, Devils Garden Ranger District, Modoc National Forest 1584 Comment
  UC860998  Prunus virginiana var. demissa Lewis S. Rose 1940-6-13 40554 Modoc Fandango Pass 1905 Comment
  UC12725  Prunus virginiana var. demissa Milo S. Baker 1893-6-15 Modoc Comment
  SBBG423  Pseudoroegneria spicata A. A. Beetle 1941-6-29 2828 Modoc near summit of Cedar (Cedarville) Pass 2118 Comment
  CDA32662  Pseudoroegneria spicata A. A. Beetle 1941-6-29 2828 Modoc Near summit of Cedarville Pass Comment
  CAS-BOT-BC252506  Pseudoroegneria spicata subsp. spicata Roxana Stinchfield Ferris; L. Lorraine 1941-8-12 10510 Modoc Between Hackamore and Canby. Comment
  UC1137086  Pseudoroegneria spicata subsp. spicata August L. Hormay 1932-7-15 Modoc Modoc National Forest, Crowder Ranger Station Crowder Ranger Station; Modoc National Forest, Crowder Ranger Station Comment
  CAS-BOT-BC95231  Pseudostellaria jamesiana Bruce Bartholomew; Barrett Anderson 1988-7-21 4455 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  NY1083722  Pseudostellaria jamesiana C. L. Hitchcock 1940-5-27 6679 Modoc 15 miles northeast of Alturas 1615.4 Comment
  CAS-BOT-BC50383  Psilocarphus brevissimus var. brevissimus Bruce Bartholomew; Barrett Anderson 1988-6-23 4249 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC50385  Psilocarphus brevissimus var. brevissimus John Thomas Howell 1934-7-2 12361 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  CAS-BOT-BC50388  Psilocarphus oregonus John Thomas Howell 1932-6-12 12032 Modoc Plum Valley. Comment
  UC1192095  Psilocarphus oregonus Herbert L. Mason and Verne Grant 1947-7-13 13450 Modoc near Goose Lake (on road to Fort Bidwell, w end of Fandango Pass); Fandango Pass Comment
  RSA233734  Pterospora andromedea R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-5 39153 Modoc Near Mill Creek Falls. Modoc Nataional Forest, Warner Mts. 1753 Comment
  UCD32739  Puccinellia distans Beecher Crampton 1954-7-8 2192 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  JEPS124303  Puccinellia lemmonii Lowell Ahart, John Dittes 2015-7-15 20345 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
  UCD32736  Puccinellia lemmonii Beecher Crampton 1954-7-8 2189 Modoc Modoc County, 1.5 miles west of Altura, extension of 4th Street. Comment
  CAS-BOT-BC252549  Puccinellia nuttalliana Arnold Tiehm; G. Schoolcraft 1984-6-24 8800 Modoc Surprise Valley, E side of Middle Alkali Lake, E of Cedarville. 1356 Comment
  UCD32738  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2191 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  NY848522  Purshia tridentata A. D. Borden 1911-6-15 s.n. Modoc South slope of Davis Creek Comment
  UCD35723  Purshia tridentata Beecher Crampton 1960-6-17 5681 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  CAS-BOT-BC218225  Purshia tridentata var. tridentata A. D. Borden 1911-6-15 Modoc S slope of Davis Creek. Comment
  CAS-BOT-BC218229  Purshia tridentata var. tridentata Francis Dorris Payne 1931-6-1 152 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC95686  Pyrola picta Annie Montague Alexander; L. Kellogg 1946-7-14 5068 Modoc Trail to Emerson Camp, Bear Camp Flat, Warner Mts. Comment
  SEINET195664  Pyrola picta Unknown 1946-8-8 5119 Modoc Seen at the end of the Portal Reservation Road. Deep Creek Canyon. Warner Mountains Comment
  UC73539  Pyrola picta Milo S. Baker 1898-7-1 536 Modoc Forestdale Comment
  NY188342  Pyrola picta M. S. Baker 1893-7-20 Modoc Comment
  CDA14603  Pyrrocoma carthamoides var. cusickii G. D. Barbe 1991-8-27 4443 Modoc Warner Mountains; east of Bald Mountain, Modoc National Forest. 2316 Comment
  POM229872  Pyrrocoma carthamoides var. cusickii L. C. Wheeler 1935-8-12 3827 Modoc Cottonwood Creek, Warner Mts. 1677 Comment
Read comments Aug 8 2009
  RSA606134  Pyrrocoma carthamoides var. cusickii L. C. Wheeler 1935-8-12 3827 Modoc Cottonwood Creek, Warner Mountains. 1677 Comment
  CAS-BOT-BC50400  Pyrrocoma hirta var. lanulosa Fred. P. Cronemiller 1920-8-30 26 Modoc Windmill Flat. 1524 Comment
  UC922549  Quercus kelloggii Annie M. Alexander and Louise Kellogg 1948-9-18 5623 Modoc 1 mi SW of Adin Pass summit 1524 Comment
  CAS-BOT-BC50364  Raillardella argentea Bruce Bartholomew 1992-8-8 6372 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  HSC81122  Raillardella argentea G. M. Riegel 1980-8-20 1080 Modoc South Warner Mtns. 1829 Comment
  HSC81138  Raillardella argentea G. M. Riegel 1979-7-28 616 Modoc South Warner Mtns. 1829 Comment
  OBI47988  Ranunculus Rhonda Riggins 1989-4-28 1662 Modoc Pencil Rd 4.4 mi N fo hwy 395 E of Alturas 1524 Comment
  CAS-BOT-BC248368  Ranunculus alismifolius B. Bartholomew; H. Sun 2002-6-24 8856 Modoc Headwaters of Davis Creek, W side of the Warner Mountains 2160 Comment
  UCD13268  Ranunculus alismifolius var. alismellus Dean Dubbe 1974-5-26 15- 3 Modoc Modoc CO. Mill Creek Meadow, west side of South Warner Wilderness. Elevation 7000 feet. 2133 Comment
  RSA604739  Ranunculus alismifolius var. alismifolius Louis C. Wheeler 1935-8-4 3774 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC217258  Ranunculus andersonii Bruce Bartholomew; Barrett Anderson 1988-5-13 4163 Modoc Granger Summit, ca. 10 km NW of Pepperdine at the top of the Warner Mts.. 1770 Comment
  UC9021 Image available Ranunculus andersonii Mrs. R. M. Austin and Mrs. C. C. Bruce Jun 1898 2134 Modoc w slope Lake City Pass Lake city mountain; Modoc Co. 1828 Comment
  JEPS55048  Ranunculus aquatilis var. capillaceus Milo S. Baker 1893-6 Modoc Comment
  RSA0005406  Ranunculus austinae R. M. Austin 1894-1 s.n. Modoc Crevices, high bluff of lava rock east of Willow Creek Valley. Comment
  RSA399404  Ranunculus californicus Christopher Davidson 1973-5-26 2131 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC217227  Ranunculus cymbalaria Bruce Bartholomew 1991-8-4 6012 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  CAS-BOT-BC217238  Ranunculus eschscholtzii var. oxynotus Elmer Ivan Applegate 1932-8-3 8133 Modoc E slope of Eagle Peak, Warner Mts. 2743 Comment
  UC1178908  Ranunculus glaberrimus Herbert L. Mason 1949-4-16 13999 Modoc summit of grade between Madeline Plain and Likely Comment
Read comments Jun 2 2009
  UC13929  Ranunculus glaberrimus Mrs. R. M. Austin April, 1894 Modoc Comment
  CAS-BOT-BC217209  Ranunculus glaberrimus var. glaberrimus Belknap C. Goldsmith 1912-4-20 43 Modoc Near Cedarville, Surprise Valley. 1341 Comment
  CAS-BOT-BC217246  Ranunculus glaberrimus var. glaberrimus E. S. Willits 1940-4-16 178 Modoc Sugar Hill. 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
  CHSC1486  Ranunculus macounii J. Wakeman 1963-5-11 Modoc Big Valley, along Hiway 299. 1219 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-BC217224  Ranunculus occidentalis var. dissectus Gordon H. True 1964-6-3 1448 Modoc Surprise Valley, about 5 mi. S of Cedarville. Comment
  HSC18156  Ranunculus occidentalis var. occidentalis M. T. Milligan 1965-6-23 290 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC217216  Ranunculus occidentalis var. ultramontanus L. A. M. Black 1894-6-1 74 Modoc Davis Creek. Comment
  UC72750  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker Modoc Forestdale Comment
  NY494905  Ranunculus sceleratus var. multifidus L. C. Wheeler 1935-8-3 3762 Modoc Pine Creek, Warner Mountains 1737.4 Comment
  POM100060  Ranunculus sceleratus var. multifidus R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC217198  Ranunculus sceleratus var. multifidus R. M. Austin 1894-1-1 Modoc Fletcher Creek. Comment
  CAS-BOT-BC217156  Ranunculus testiculatus Bruce Bartholomew; Barrett Anderson 1988-5-14 4205 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 Comment
  JEPS96813  Ranunculus testiculatus Dean W. Taylor 1992-3-16 12332 Modoc 1 air mi SW of Duncan Reservoir; Modoc Plateau 1493 Comment
  HSC11525  Ranunculus testiculatus M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  CAS-BOT-BC217166  Ranunculus uncinatus Elmer Ivan Applegate 1932-7-31 7973 Modoc Mill Creek Meadows, west slope of Warner Mts. Comment
  NY495031  Ranunculus uncinatus M. J. Williams 1984-6-30 8480- 8 Modoc Seepage area near a reservoir, 6.8 miles west of Cedarville-Gerlach road. 1981.2 Comment
  UC71575  Ranunculus uncinatus Mrs. M. H. Manning 1903-1-1 140 Modoc n head of Mill Canyon (ne Modoc Co.) Comment
  CAS-BOT-BC6201  Rhamnus rubra subsp. modocensis Elmer Ivan Applegate 1897-5-31 863 Modoc 7 mi. SE of Dry Lake. Comment
  CAS-BOT-BC58197  Rhododendron columbianum Elmer I. Applegate 1932-8-6 8210 Modoc Just above Lily Lake, Bidwell Pass, Warner Mts. Comment
  NY1002972  Rhus aromatica var. trilobata B. M. Bartholomew 1989-4-27 4622 Modoc Little Hot Spring Valley, 2.9 km NW of Day 1080 Comment
  UCR270949  Ribes John F. Emmel 2000-8-3 1681 Modoc Modoc Plateau, Northern Warner Mountains, north edge of Dismal Swamp 2180 Comment
  CHSC42151  Ribes aureum C. E. Laver 1986-3-26 Modoc Ca. 13 mi ne of Alturas and 100 yd e of Thoms Creek. 1493 Comment
  NY454719  Ribes aureum B. M. Bartholomew 1988-5-14 4188 Modoc 2 km south of McGinty Point, edge of causeway across the southwest corner of Goose Lake 1430 Comment
  POM141887  Ribes aureum M. S. Baker 1893-1 117 Modoc Egg Lake Comment
  UC75441  Ribes californicum Milo S. Baker 1898-4-20 627 Modoc Taylor Mt. Comment
Read comments Jul 22 2018
  CAS-BOT-BC225894  Ribes cereum Barrett Anderson 1986-7-9 3185 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir, Warner Mts. 1965 Comment
  JEPS49422  Ribes cereum W. L. Jepson 1918-8-7 7876 Modoc at very summit Mt. Bidwell 2507 Comment
  JEPS49423  Ribes cereum W. L. Jepson 1918-8-7 7860 Modoc Mt. Bidwell 1981 Comment
  RSA520464  Ribes cereum K. Paulson, R. Paulson 1989-6-14 135 Modoc 1.5 miles NE of Cedar Pass, Warner Mts. 1905 Comment
  UC585196  Ribes cereum G. L. Stebbins Jr. and E. B. Babcock 1936-6-9 1813 Modoc near Cedarville (e end of Bonner Grade) 1600 Comment
  UC858418  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 mi ne Alturas 1615 Comment
  UCSB11458  Ribes cereum var. cereum Dearing, Hugh; Dearing, Margaret 1939-6-8 Modoc Pine Canon 1524 Comment
  CAS-BOT-BC225897  Ribes inerme Elmer Ivan Applegate 1932-8-2 8093 Modoc Mill Creek Meadow, Warner Mts. Comment
  UCR270415  Ribes nevadense John F. Emmel 2000-8-2 1680 Modoc Modoc Plateau, north end Warner Mountains, upper part of Cave Lake Campground 2043 Comment
  CAS-BOT-BC225915  Ribes velutinum Alice Eastwood; John Thomas Howell 1940-6-12 8061 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC225919  Ribes velutinum Bruce Bartholomew; Barrett Anderson 1989-4-27 4624 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  UC75448  Ribes velutinum Milo S. Baker 1893-1 Modoc Egg Lake 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-BC225941  Ribes viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-15 4772 Modoc Deep Creek. 1981 Comment
  CAS-BOT-BC225943  Ribes viscosissimum Bruce Bartholomew 1989-7-14 4978 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 Comment
  JEPS43510  Ribes viscosissimum Frances D. Payne 1929-7-7 50 Modoc 2 mi sw Mt. Warren; Warner Mts., Pine Creek Basin 2133 Comment
  SBBG27540  Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 mi NE of Alturas 1615 Comment
  SEINET188375 Image available Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 miles northeast of Alturas 1615 Comment
  CAS-BOT-BC50372  Rigiopappus leptocladus Annie Montague Alexander; L. Kellogg 1946-6-17 4789 Modoc Open plain 10 mi. NE of Alturas, Cedar Pass road. Comment
  HSC28867  Rigiopappus leptocladus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19409 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CAS-BOT-BC50369  Rigiopappus leptocladus Fred. P. Cronemiller 1920-6-15 10 Modoc McKenzie Spring. 1341 Comment
  CAS-BOT-BC58422  Rorippa curvisiliqua Roxana Stinchfield Ferris; R. Duthie 1919-6-14 170 Modoc Parker Creek at Modoc Nat. Forest Boundary. 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
  JEPS117375  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
  UC1191532  Rorippa palustris Verne Grant and Irving Schneider 1947-7-19 8077 Modoc Pit Valley s Alturas (along Southern Pacific right-of-way near East Canal, Williams Ranch); Pit Valley s of Alturas Comment
  UC1191427  Rorippa palustris Verne Grant and Irving Schneider 1947-8-28 8341 Modoc nw Alturas; Jack Swamp, nw of Alturas Comment
  JEPS119968  Rosa woodsii subsp. ultramontana Lowell Ahart, John Dittes 2012-7-10 18318 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC218262  Rosa woodsii var. ultramontana Roxana Stinchfield Ferris; R. Duthie 1919-6-14 136 Modoc Parker Creek. Comment
  JEPS47235  Rosa woodsii var. ultramontana Frances D. Payne 1932-7-11 690 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC452554  Rumex crispus W. P. Taylor and H. C. Bryant 1910-6-11 Modoc S. Fork Pitt River, Alturas Warner Mountains, Pitt River 1402 Comment
  CAS-BOT-BC211304  Rumex maritimus Bruce Bartholomew 1992-8-7 6354 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  UC1191271  Rumex maritimus Herbert L. Mason 1947-8-11 13509 Modoc Alturas, junction of North and South Forks of Pit River Pit River Comment
  CDA23183  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  CDA23184  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  CDA23186  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  UC748315  Rumex salicifolius var. salicifolius Annie M. Alexander and Louise Kellogg 1946-8-3 5113 Modoc Head of Eagle Creek Warner Mountains Comment
  CAS-BOT-BC211320  Rumex triangulivalvis Alice Eastwood; John Thomas Howell 1940-6-15 8280 Modoc Near Happy Camp Ranger Station. Comment
  UC177391  Sagina decumbens subsp. occidentalis Mrs. R. M. Austin Sep. 1894 285 Modoc Cedarville Canyon Comment
  CAS-BOT-BC95280  Sagina saginoides Francis Dorris Payne 1935-6-19 791 Modoc Parker Creek at mouth of Dry Creek. Comment
  JEPS51064  Sagina saginoides W. L. Jepson 1918-8-8 7905 Modoc N. Fork Bidwell Creek Mt. Bidwell; , N. Fork Bidwell Creek 1828 Comment
  POM119225  Sagittaria cuneata Mrs. R. M. Austin 1895-07 479 Modoc Davis Creek Comment
  UC492370  Salix boothii Frances D. Payne 1932-7-21 728 a Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  POM218963  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  SBBG59081  Salix eastwoodiae F. D. Payne 1931-7-8 177 Modoc Pine Crk Basin, ca. 33 km SE of Alturas 2280 Comment
  UC481861  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225766  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 494 Modoc Parker Creek, 20 km E of Alturas. Meadow south of Payne Ranch 1560 Comment
  CAS-BOT-BC225775  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas, SW end of town. 1360 Comment
  CAS-BOT-BC225779  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 495 Modoc Parker Creek, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  CHSC100434  Salix exigua Lowell Ahart; John Dittes 2008-8-25 15310 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  HSC80731  Salix exigua G. M. Riegel 1980-7-16 890 Modoc S Warner Mtns. 2100 Comment
  POM218951  Salix exigua H. P. Bracelin, Frances D. Payne 1931-6-30 494 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  POM220489  Salix exigua H. P. Bracelin, Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  RSA0039537  Salix exigua Lowell A. Ahart, John Dittes 2008-8-25 15310 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  RSA152681  Salix exigua I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16366 Modoc Pit River. 3.9 miles N of Alturas. Comment
  RSA610773  Salix exigua Louis C. Wheeler 1935-9-22 3998 Modoc Pit River at Rattlesnake Butte. Warm Springs Valley. 1341 Comment
  SBBG58876  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc Alturas, SW end of town 1300 Comment
  UC472125  Salix exigua Mrs. M. H. Manning 1903-4-23 78 Modoc near Fort Bidwell; ne Modoc Co. Comment
  UC71754  Salix exigua var. hindsiana Mrs. M. H. Manning 1903-4-23 78 Modoc near Fort Bidwell Fort Bidwell; n.e. Modoc Co. Comment
  UCR270593  Salix lasiandra John F. Emmel 2000-8-2 1678 Modoc north end Warner Mountains, along Pine Creek Road, 2.2 road miles east of Hwy 395 1585 Comment
  CAS-BOT-BC229683  Salix lasiandra subsp. caudata Elmer Ivan Applegate 1929-6-25 5899 Modoc Cottonwood Creek, E side of Goose Lake. Comment
  CAS-BOT-BC229685  Salix lasiandra subsp. caudata F. Angwin 1946-5-23 s.n. Modoc Ash Creek, Adin. 1371 Comment
  CAS-BOT-BC229689  Salix lasiandra subsp. caudata H. P. Bracelin; Francis Dorris Payne 1931-6-30 497 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  UC437345  Salix lasiandra var. caudata W. P. Taylor and H. C. Bryant 1910-1 Modoc Parker Creek Warner Mts., Parker Creek 1676 Comment
  NY187673  Salix lasiandra var. lancifolia N. F. Bracelin 1931-6-30 498 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  JEPS14858  Salix lasiolepis Frances D. Payne 1931-6-10 137 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  NY187872  Salix lasiolepis N. F. Bracelin 1931-6-30 492 Modoc Parker Creek, 20 km E of Alturas, meadow south of Payne Ranch 2560 Comment
  UCR133519  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc [vicinity of Adin Pass] Halfway between Adin and Canby 1350 Comment
  CAS-BOT-BC229661  Salix lemmonii E. K. Balls 1950-5-11 14622 Modoc 4 miles south of Fort Bidwell, west of Upper Lake. 1402 Comment
  CAS-BOT-BC229663  Salix lemmonii Louis Cutter Wheeler 1935-8-3 3760 Modoc Pine Creek, Warner Mts. 1737 Comment
  POM218962  Salix lemmonii Frances D. Payne 1931-7-7 332 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  UC481856  Salix lemmonii Frances D. Payne 1931-7-7 332 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC229669  Salix ligulifolia Milo Samuel Baker 1893-7-15 Modoc unspecified 1371 Comment
  POM107028  Salix lucida subsp. caudata R. M. Austin 1895-05 503 Modoc Davis Creek Comment
  CHSC112097  Salix lucida subsp. lasiandra Lowell Ahart; John Dittes 2012-7-10 18315 Modoc Along a deep drainage, northeast of the old homestead, Ash creek State Wildlife Area, about 3.4 miles (air) wast of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  RSA0039538  Salix lucida subsp. lasiandra Lowell A. Ahart, John Dittes 2008-8-25 15303 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC229681  Salix lutea H. P. Bracelin; Francis Dorris Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CHSC100505  Salix lutea Lowell Ahart; John Dittes 2008-8-25 15303 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
  POM362841  Salix lutea H. P. Bracelin, Frances D. Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  SBBG57895  Salix lutea Mrs. H. P. Bracelin, F. D. Payne 1931-6-30 499 Modoc Parker Crk, 20 km E of Alturas S of Payne Ranch 1560 Comment
  CAS-BOT-BC229849  Salix melanopsis H. P. Bracelin; Francis Dorris Payne 1931-6-30 491 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC229845  Salix prolixa Leland S. Smith 1917-6-21 54 Modoc Cantrall's Mill. 1828 Comment
  CAS-BOT-BC229840  Salix scouleriana Francis Dorris Payne 1931-6-22 283 Modoc Trail from summit of Granger Pass to Mt. Warren. 2100 Comment
  JEPS14859  Salix scouleriana Frances D. Payne 1931-6-10 138 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  RSA628302  Salsola tragus L. C. Wheeler 1973-1 s.n. Modoc North end of Big Mud Lake. 1645 Comment
  SEINET14190201 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  UCD125444  Salvia aethiopis John C. Hays 1947-6-1 s.n. Modoc Joseph Creek, on W.A. Carlsberg Ranch. Comment
  CAS-BOT-BC179247  Salvia dorrii var. dorrii B. Bartholomew 1990-6-17 5297 Modoc Along Emerson Creek, 3.9 km SW of County Rd 1, E side of Warner Mts. 1700 Comment
  SEINET198563  Salvia dorrii var. dorrii Helen K. Sharsmith 1955-6-23 4491 Modoc Modoc National Forest ; Warner Mountains. North of State Highway 28 and 6.7 miles east of Cedar Campground. 1859 Comment
  CAS-BOT-BC15719  Sanicula graveolens Milo Samuel Baker; Franklin P. Nutting 1894-6-15 Modoc Big Valley Mts. Comment
  NY1101597  Sanicula graveolens B. M. Bartholomew 1989-6-2 4840 Modoc Vicinity of Stough Reservoir, Warner Mountains 1950 Comment
  RSA520434  Saxifraga nidifica var. nidifica Bruce Bartholomew, M. Bourell 1990-4-27 5171 Modoc NW side of Rice Flat, 2km S of Adin Pass. 1540 Comment
  CAS-BOT-BC245132  Schoenoplectus acutus var. occidentalis Bruce Bartholomew 1989-8-11 5061 Modoc Along W side of Goose Lake, 10.3 km S of the Oregon border on National Forest Road 48. 1430 Comment
  RSA210790  Schoenoplectus pungens Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39072 Modoc South end of Goose Lake 1433 Comment
  CAS-BOT-BC245120  Scirpus microcarpus Bruce Bartholomew 1989-8-11 5062 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC245121  Scirpus microcarpus Verne Grant; I. Schneider 1947-7-20 8096 Modoc North Fork of Pit River by Dorris bridge, Alturas. Comment
  CAS-BOT-BC245123  Scirpus microcarpus Bruce Bartholomew 1989-8-12 5113 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  CAS-BOT-BC245125  Scirpus microcarpus Bruce Bartholomew 1990-6-17 5329 Modoc W side of Surprise Valley, 16 km S of Cedarville. 1420 Comment
  UC1100885  Scirpus nevadensis Herbert L. Mason 1947-8-15 13548 Modoc e side Goose Lake (mouth Crane Creek, Willow Ranch); mouth Crane Creek, e side Goose Lake, Willow Ranch Comment
  POM14466  Scrophularia californica subsp. floribunda Baker 1893-7-8 s.n. Modoc [No location information provided.] Comment
  CAS-BOT-BC197838  Scrophularia lanceolata Fred. P. Cronemiller 1920-6-20 29 Modoc Fillingim's. 1371 Comment
  RSA427194  Scrophularia lanceolata Francis W. Pennell 1940-6-8 25736 Modoc Route 299, 9-10 miles west of Alturas. 1372 Comment
  UC25817  Scutellaria nana Milo S. Baker 1893-7-8 Modoc Comment
  CAS-BOT-BC252545  Secale cereale John Thomas Howell 1934-6-12 11991 Modoc 6 mi. S of Davis Creek. Comment
  UC748120  Sedum lanceolatum Annie M. Alexander and Louise Kellogg 1946-7-11 4969 A Modoc Mesa West Eight Mile Creek, Mesa West (Eight Mile Creek, nw corner of county) Comment
  UC11266  Sedum lanceolatum Mrs. C. C. Bruce 1890-1 2324 Modoc Comment
  SEINET8552530  Sedum stenopetalum M. J. Williams 1968-6-1 1153 Modoc Cedar Pass. Comment
  CAS-BOT-BC50337  Senecio aronicoides Robert Patterson; Mona Bourell 1993-8-15 5271 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UC36026  Senecio aronicoides Mrs. R. M. Austin June 1898 2368 Modoc Davis Creek Comment
  SEINET191900  Senecio canus Mrs. H. C. Cantelow 1940-6-2 Modoc 4 miles west of Alturas Comment
  HSC67927  Senecio fremontii J. P. Smith, J. O. Sawyer 1973-8-8 7224 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC50280  Senecio fremontii var. fremontii Elmer Ivan Applegate 1932-8-1 8048 Modoc Eastern slope of Warren Peak near summit, Warner Mountains Comment
  UC1567364  Senecio fremontii var. fremontii G. Schoolcraft 1989-7-16 1952 Modoc Patterson Lake Warner Mts. 2773 Comment
  UC36175  Senecio hydrophiloides Milo S. Baker 1893-6-25 Modoc Comment
  UC36177  Senecio hydrophiloides Milo S. Baker 1893-6-25 Modoc Comment
  JEPS117384  Senecio hydrophilus Lowell Ahart, John Dittes 2010-8-31 17104 Modoc About 40 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  JEPS37283  Senecio integerrimus var. exaltatus Milo S. Baker 1893-6-25 Modoc Comment
  UC1234625  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-29 17880 Modoc 3.4 mi e Cedar Pass; Warner Mountains Comment
  UC36167  Senecio integerrimus var. exaltatus Mrs. R. M. Austin June 1894 Modoc Dry Valley Comment
  SEINET3148743  Senecio integerrimus var. ochroleucus E. K. Balls 1950-5-12 14655 Modoc Hillsides N of Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake 1646 Comment
  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-BC50267  Senecio serra var. serra Annie Montague Alexander; L. Kellogg 1946-7-7 4949 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  CHSC118817  Senecio serra var. serra L. P. Janeway 2015-8-9 11827 Modoc Warner Mountains. Near head of a northwest-facing bowl of a drainage of Coyote Creek where Road 39N06A crosses it; 0.8 road-km east of Road 39N06. 2088 Comment
  UC566651  Senecio serra var. serra F. H. Frost 1925-7-12 67 Modoc Stow's Meadow Warner Mountains, , Stow's Meadow (Cedar Canyon) Comment
  CAS-BOT-BC54276  Senecio triangularis Elmer Ivan Applegate 1932-7-31 7978 Modoc Mill Creek Meadow, Warner Mountains Comment
  RSA503243  Senecio triangularis Bruce Bartholomew, B. Anderson 1988-7-22 4533 Modoc Mill Creek, Lake City Canyon, 5.5 km west of Lake City, east side of the Warner Mountains 1860 Comment
  UC748200  Senecio triangularis Annie M. Alexander and Louise Kellogg 1946-7-17 5000 Modoc edge South Fork Davis Creek (Plum Valley Camp, Warner Mountains); Warner Mountains, , Plum Valley Camp Comment
  RSA0011802  Shepherdia argentea E. K. Balls 1950-5-11 14612 Modoc West of Middle Lake, between Eagleville and Cedarville. 1433 Comment
  CAS-BOT-BC179062  Sidalcea oregana subsp. oregana Roxana Stinchfield Ferris; R. Duthie 1919-6-15 154 Modoc Parker Creek. 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
  RSA520356  Sidalcea oregana subsp. oregana Bruce Bartholomew, B. Anderson 1989-6-3 4903 Modoc 5 km NW of Egg Lake and ca. 0.8 km W. of Service Flat Gulch 1370 Comment
  UC18928  Sidalcea oregana subsp. oregana Milo S. Baker 1893-7-10 Modoc Comment
  CHSC117013  Sidalcea oregana subsp. spicata Lowell Ahart; John Dittes 2016-6-6 20954 -A Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area 1271 Comment
  JEPS3938  Sidalcea oregana subsp. spicata N. T. Mirov 1929-6-28 Modoc Fandango Valley Warner Mountains, Fandango Valley 1584 Comment
  POM126814  Sidalcea oregana subsp. spicata M. French Gilman 534 Modoc No location given 1524 Comment
  CAS-BOT-BC95244  Silene douglasii var. douglasii Bruce Bartholomew; Barrett Anderson 1990-7-20 5489 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC95249  Silene douglasii var. douglasii Alice Eastwood; John Thomas Howell 1940-6-13 8140 Modoc Fandango Pass. Comment
  HSC80712  Silene douglasii var. douglasii G. M. Riegel 1980-7-21 912 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC95267  Silene menziesii E. S. Willits 1940-6-9 331 Modoc Fandango Pass. Comment
  UC4230  Sisyrinchium bellum Milo S. Baker 1893-6 Modoc Egg Leake Island Comment
  CAS-BOT-BC245084  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1993-6-12 6602 Modoc Tom Large Flat, W of Egg Lake. 1260 Comment
  CAS-BOT-BC15679  Sium suave Verne Grant; I. Schneider 1947-7-19 8062 Modoc Corporaton Ranch, S of Alturas. Comment
  SEINET3991799  Smilacina amplexicaulis Unknown 1940-5-27 6681 Modoc 15 miles NE of Alutras. 1615 Comment
  UC3868  Smilacina racemosa Milo S. Baker 1893-6-29 Modoc Comment
  JEPS62146  Smilacina stellata Mary H. Manning 1912-1 Modoc Ft. Bidwell Comment
  UCD126920  Solanum dulcamara Verne Grant; Irving Schneider 1947-7-19 8076 Modoc Williams ranch; along Souhern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. Comment
  CAS-BOT-BC245431  Solanum physalifolium var. nitidibaccatum John Thomas Howell 1934-7-2 12365 Modoc W side of Clear Lake. Comment
  CAS-BOT-BC245433  Solanum physalifolium var. nitidibaccatum E. S. Willits 1939-10-27 172 Modoc School grounds, Willow Ranch. Comment
  CHSC117255  Solanum physalifolium var. nitidibaccatum Lowell Ahart; John Dittes 2016-7-14 21199 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
  UC1191778  Solanum triflorum Herbert L. Mason, Verne Grant 1947-7-10 13341 Modoc 2 mi e of Alturas (Dorris Reservoir); Dorris Reservoir Comment
  UC570688  Solanum triflorum F. H. Frost 1925-7-20 92 Modoc 2 mi above Cedarville (Cedar Camp); Warner Mountains, Cedar Camp Comment
  UC527397  Solanum triflorum C. B. Wolf 1931-9-5 2399 Modoc 3 mi above e base Warner Mountains (on the grade from Lake City-Fort Bidwell Road- to Davis Creek) 1676 Comment
  CAS-BOT-BC245435  Solanum umbelliferum Milo Samuel Baker; Franklin P. Nutting 1894-6-8 s.n. Modoc Little Hot Spring Valley. Comment
  POM42201  Solidago canadensis subsp. elongata Mrs. R. M. Austin 573 Modoc Alturas Comment
  UC71567 Image available Solidago lepida var. salebrosa Mrs. M. H. Manning Sept 1902 15 Modoc Comment
  SEINET3873680  Solidago spectabilis John C. Semple, T. Ahmed; B. A. Suripto 1990-8-12 9299 Modoc Ca-299, 12.5 km W of Alturas, straight N of Rattle Snake Butte.; 0 Comment
  CAS-BOT-BC54282  Solidago velutina subsp. californica Elmer Ivan Applegate 1932-8-4 8151 Modoc N side of Jess Valley, Warner Mountains Comment
  CAS-BOT-BC242251  Sparganium emersum Robert Folger Thorne; C. W. Tilforth 1969-9-5 39149 Modoc S Fork of Pit River ca. 7 mi. E of Likely. 1432 Comment
  CAS-BOT-BC242253  Sparganium emersum Bruce Bartholomew 1995-7-30 7072 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  CAS-BOT-BC242255  Sparganium emersum Verne Grant; I. Schneider 1947-7-22 8137 Modoc North Fork of Pit River by State Quarantine Station. Comment
  CHSC111410  Sparganium emersum Lowell Ahart; John Dittes 2012-7-10 18326 Modoc East of the fence, 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
  JEPS119852  Sparganium emersum Lowell Ahart, John Dittes 2012-7-10 18326 Modoc Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS32229  Sparganium emersum var. emersum W. L. Jepson 1918-8-12 7949 Modoc Jess Valley 1584 Comment
  UC1099922  Sparganium emersum var. emersum Herbert L. Mason and Verne Grant 1947-7-12 13433 Modoc n of Likely (Corporation Ranch Headquarters) Comment
  UC1587093  Spartina gracilis G. Schoolcraft 1991-7-24 2186 Modoc ne of Middle Alkali Lake (Leonard Hot Spring); Leonard Hot Spring 1386 Comment
  SJSU9648  Sphaeromeria potentilloides W. Savage 1979-7-10 1519 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS404  Spirodela polyrhiza W. L. Jepson 1918-8-5 7822 Modoc South Fork Valley 1371 Comment
  SEINET11587758  Stachys ajugoides Unknown 2016-8-16 9 -11 Modoc Lookout Comment
  JEPS117296  Stachys palustris subsp. pilosa Lowell Ahart, John Dittes 2010-8-31 17127 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC179214  Stachys pilosa M. Vasey 1990-6-30 9032 Modoc Near Lava Camp (end of road), Egg Lake. 1300 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
  SEINET5337009  Stellaria jamesiana M. J. Williams 1984-6-28 84- 67 -3 Modoc 2 miles north of intersection between Soldier Creek and Old cannon Mill roads. Warner Mtns, north of Cedar pass. 2057 Comment
  CAS-BOT-BC95292  Stellaria longipes var. longipes Bruce Bartholomew; Barrett Anderson 1990-7-21 5587 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  NY453094  Stellaria umbellata L. C. Wheeler 1935-8-1 3729 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Mountains 2225.0 Comment
  RSA610789  Stellaria umbellata L. C. Wheeler 1935-8-1 3729 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC54254  Stenotus acaulis Bruce Bartholomew 1991-8-5 6068 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  JEPS31317  Stenotus acaulis Mrs. R. M. Austin and Bruce 1898-6-18 2135 Modoc Lake City, Mt. 2133 Comment
  SBBG8314  Stenotus acaulis H. and M. Dearing 1939-6-9 3633 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  CAS-BOT-BC54259  Stenotus stenophyllus Bruce Bartholomew; Barrett Anderson 1989-4-28 4659 Modoc S end of Dead Horse Reservoir and ca. 6 km SW of the S end of Goose Lake. 1520 Comment
  RSA59847  Stenotus stenophyllus E. K. Balls 1950-5-17 14730 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  CHSC96340  Stephanomeria lactucina Richard R. Halse 2006-8-4 6998 Modoc Along Patterson Mill Road ca. 4 miles southwest of its junction with Surprise Valley Road, east side of the southern Warner Mountains; Modoc National Forest. 2097 Comment
  JEPS36864  Stephanomeria lactucina Milo S. Baker 1894-7-30 Modoc Silver Lake Comment
  UCR34680  Stipa nevadensis J. A. Harpel 1981-8-6 V 12 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  HSC13361  Stipa occidentalis var. occidentalis R. C. Wunner 1965-6-20 221 Modoc Lava Beds N. M., Lava Brook Cave. 1463 Comment
  HSC66167  Stipa pinetorum J. P. Smith, J. O. Sawyer 1973-8-8 7215 Modoc Near summit of Eagle Peak 2988 Comment
  NY188845  Streptanthella longirostris B. M. Bartholomew 1993-6-13 6641 Modoc W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  UCD138335  Stuckenia striata Robert F. Thorne; J. Henrickson, C. W. Tilforth 1969-9-4 39084 Modoc east shore of Goose Lake at Willow Ranch. 1432 Comment
  UC71802  Suaeda calceoliformis Mrs. M. H. Manning 1903-8-25 323 Modoc n end Alkaline Lake (ne Modoc County) Comment
  CAS-BOT-BC180097  Swertia albicaulis var. albicaulis Bruce Bartholomew; Barrett Anderson 1989-6-3 4854 Modoc Timber Mountain, ca. 30 km N of State Hwy 299 on Crowder Flat Road. 1550 Comment
  CAS-BOT-BC180094  Swertia albicaulis var. nitida John H. Hatton 1911-6-20 127 Modoc Modoc County. 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
  UC748485  Symphoricarpos longiflorus Annie M. Alexander and Louise Kellogg 1946-6-18 4805 Modoc bluff facing Lower Lake Comment
  CAS-BOT-BC95183  Symphoricarpos rotundifolius var. rotundifolius A. D. Borden 1911-8-9 Modoc Mall place S side of Shields Creek. Comment
  CAS-BOT-BC95185  Symphoricarpos rotundifolius var. rotundifolius P. Monnet 1913-7-1 897 Modoc East of Surprise Valley. 2133 Comment
  CAS-BOT-BC95186  Symphoricarpos rotundifolius var. rotundifolius Alice Eastwood; John Thomas Howell 1940-6-13 8188 Modoc West side of Cedar Pass. Comment
  CAS-BOT-BC95188  Symphoricarpos rotundifolius var. rotundifolius Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10537 Modoc Warner Mountains, Modoc National Forest, Patterson Ranger Station (East Creek drainage). 2164 Comment
  JEPS12668  Symphoricarpos rotundifolius var. rotundifolius W. L. Jepson 1918-8-7 7859 Modoc Mt. Bidwell 2286 Comment
Read comments Jun 18 2007
  JEPS15470  Symphoricarpos rotundifolius var. rotundifolius Hilda and Joseph Grinnell 1938-6-14 1102 a Modoc above Goose Lake (slope of Sugar Hill); Sugar Hill 1524 Comment
  UC416731  Symphoricarpos rotundifolius var. rotundifolius Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell (12 Mile Creek, ne Modoc County); 12 Mile Creek Comment
  UC86734  Symphyotrichum ascendens Mrs. R. M. Austin 1883-9-1 286 Modoc Comment
  HSC1959  Symphyotrichum bracteolatum M. T. Milligan 1966-7-25 576 Modoc E of Jess Valley 1646 Comment
  CAS-BOT-BC15221  Symphyotrichum eatonii Leland S. Smith 1922-8-8 1333 Modoc Along stream in Section 14.T40, R9 1524 Comment
  HSC81018  Symphyotrichum foliaceum var. apricum G. M. Riegel 1980-8-6 994 Modoc South Warner Mtns. 2100 Comment
  CAS-BOT-BC15156  Symphyotrichum foliaceum var. parryi Louis Cutter Wheeler 1935-8-16 3875 Modoc Dismal Swamp, Warner Mountains 2225 Comment
  CHSC115695  Symphyotrichum foliaceum var. parryi L. P. Janeway 2015-8-11 11834 Modoc Warner Mountains. East side of Squaw Peak a little above Squaw Peak Trail. 2483 Comment
  UC86960  Symphyotrichum frondosum Mrs. R. M. Austin 1885-6-1 Modoc Goose Lake Valley 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
  UC1192204  Symphyotrichum spathulatum Verne Grant and Irving Schneider 1947-7-20 8093 Modoc s of Alturas ((Jones Lane by first bridge w of Highway 395)) Comment
  CAS-BOT-BC15171  Symphyotrichum spathulatum var. spathulatum Herbert Louis Mason 1947-8-9 13480 Modoc East side of Fairchild Swamp, N of Alturas. Comment
  CAS-BOT-BC15174  Symphyotrichum spathulatum var. spathulatum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10571 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station,Warner Mountains, Modoc National Forest Comment
  HSC80742  Synthyris missurica G. M. Riegel 1979-7-23 593 Modoc S Warner Mtns. 1829 Comment
  JEPS9933  Synthyris missurica L. S. Smith 1917-7-1 Modoc n slope Mt. Warren 2590 Comment
  RSA166254  Synthyris missurica H. Dearing, M. Dearing 1939-6-8 s.n. Modoc Lily Lake, Warner Mountains. 2134 Comment
  CAS-BOT-BC252541  Taeniatherum caput-medusae Bruce Bartholomew; Barrett Anderson 1988-6-23 4220 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC252543  Taeniatherum caput-medusae Margaret J. Williams 1984-6-30 84- 75 -3 Modoc 27.4 mi. N of Cedar Pass road on Hwy 395. 1295 Comment
  UCD86165  Taeniatherum caput-medusae T. C. Fuller 1959-7-8 2742 Modoc roadside hillslope, Hwy 299, 8 miles west of Alturas. Comment
  HSC6254  Taraxacum officinale M. T. Milligan 1966-5-14 610 Modoc Plateau W of Jess Valley 1829 Comment
  JEPS118472  Taraxia subacaulis Lowell Ahart, John Dittes 2011-6-21 17516 Modoc Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1523787  Taraxia tanacetifolia Lisa Janio 1981-7-30 48 Modoc n Canby (edge of drying reservoir); Loveness Road Pond 1524 Comment
  SDSU573  Tetradymia glabrata D. F. Howe 1964-8-2 3927 Modoc 9 miles south of Alturas on #395. 1341 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
  CAS-BOT-BC217171  Thalictrum fendleri Frank Warrington Peirson 1926-6-25 6877 Modoc Small side canyon 1 mi E of summit, Cedarville Road, Warner Mts. Comment
  CAS-BOT-BC217173  Thalictrum fendleri Elmer Ivan Applegate 1932-8-2 8079 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  POM270305  Thalictrum fendleri Louis C. Wheeler 1935-8-10 3823 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  CHSC110815  Thermopsis californica var. argentata Dean Wm. Taylor 2013-6-7 21369 Modoc 11 miles North of Lookout; along Forest Road 42N03 about 1.2 road miles west of County Road 91(Lookout to Tulelake). 1350 Comment
  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
  CHSC99272  Thlaspi arvense Lowell Ahart; John Dittes 2008-6-21 15004 Modoc About 30 yards west of the levee, along a deep natural drainage, open meadow area, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. Comment
  SEINET10793109  Torreyochloa pallida var. pauciflora Louis C. Wheeler 1935-10-5 Wheeler 4020 Modoc N Fork Pit River at Parker Creek. Damp silt 1372 Comment
  RSA152724  Tragopogon pratensis I. L. Wiggins, Dorothy Wiggins 1961-6-13 16444 Modoc Roadside ditch 11 mi. N of Cedarville, in Surprise Valley. Comment
  JEPS63189  Trichostema laxum W. I. Follett 1942-9-7 137 Modoc Lost River, E branch Comment
  CHSC14071  Trichostema oblongum K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5824 Modoc W side of Egg Lake. 1295 Comment
  UC2029544  Trichostema simulatum Richard R. Halse 2012-8-30 8710 Modoc At the junction of State Highway 139 and the Lookout-Hackamore Road (N. F. Road 46 road to Bieber), ca. 16 miles northwest of Canby Comment
  UC80656  Trifolium andersonii var. andersonii Mrs. R. M. Austin 1894-1 254 Modoc Goose Lake Valley Comment
  CAS-BOT-BC181780  Trifolium cyathiferum Bruce Bartholomew 1991-7-4 5904 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC181781  Trifolium cyathiferum Bruce Bartholomew 1993-6-14 6666 Modoc Russell Canyon, just S of the Oregon border and NW of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC181783  Trifolium cyathiferum Louis Cutter Wheeler 1935-8-1 3727 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC181785  Trifolium cyathiferum Leland S. Smith 1917-7-24 128 Modoc Joseph Creek meadow. 1676 Comment
  JEPS65818  Trifolium cyathiferum Frances D. Payne 1931-6-18 191 Modoc se Alturas (Parker Creek); Warner Mtns 1584 Comment
  RSA503246  Trifolium cyathiferum Bruce Bartholomew, B. Anderson 1988-7-22 4517 Modoc SE side of Sunflower Know, southern end of the Warner Mtns. 2160 Comment
  CAS-BOT-BC181776  Trifolium gymnocarpon var. plummerae Leland S. Smith 1920-6-1 1156 Modoc Below stock pass, Mt. Bidwell Rim. 1920 Comment
  CAS-BOT-BC181750  Trifolium longipes Bruce Bartholomew 1993-6-12 6603 Modoc Tom Large Flat, W of Egg Lake. 1260 Comment
  CAS-BOT-BC181751  Trifolium longipes Bruce Bartholomew; Mona Bourell 1990-4-27 5187 Modoc Near SW corner of Big Sage Reservoir, 13.5 km NW of Hwy 299 on Crowder Flat Rd. 1510 Comment
  CAS-BOT-BC181753  Trifolium longipes Alice Eastwood; John Thomas Howell 1940-6-12 8058 Modoc Between Likely and Jess Valley. Comment
  HSC81088  Trifolium longipes G. M. Riegel 1980-7-14 874 Modoc South Warner Mtn. 2100 Comment
  SBBG3830  Trifolium longipes H. and M. Dearing 1939-6-9 3614 Modoc above Cedarville 2133 Comment
  CAS-BOT-BC180174  Trifolium macrocephalum Mrs. H. C. Cantelow 1941-5-23 3812 Modoc 2 mi. W of Adin Summit, E of Bieber. Comment
  CAS-BOT-BC181730  Trifolium macrocephalum Bruce Bartholomew; Barrett Anderson 1988-5-14 4191 Modoc 7 km S of turn off to Crowder Flats along West Side Road, W side of Goose Lake. 1410 Comment
  CAS-BOT-BC181731  Trifolium macrocephalum Mrs. H. C. Cantelow 1940-5-31 Modoc 8.9 mi. E of Indian Springs. Comment
  CAS-BOT-BC181733  Trifolium macrocephalum F. Angwin 1946-5-3 Modoc Big Valley. 1280 Comment
  CAS-BOT-BC181735  Trifolium macrocephalum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 132 Modoc Hills above Parker Creek. Comment
  CHSC118091  Trifolium macrocephalum L. P. Janeway 2016-5-17 12009 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir 1544 Comment
  RSA60362  Trifolium microcephalum E. K. Balls 1950-5-10 15963 Modoc 0.5 miles past fork of 395 and road to Cedarville, from Alturas. 1585 Comment
  CAS-BOT-BC181755  Trifolium productum Elmer Ivan Applegate 1932-8-5 8173 Modoc Cedar Mountain, Warner Mts. Comment
  CAS-BOT-BC181765  Trifolium productum Robert Patterson; Mona Bourell 1993-8-15 5273 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC181769  Trifolium productum G. Schoolcraft 1988-7-16 1832 Modoc E slope of Squaw Peak, Warner Mts. 2560 Comment
  RSA504657  Trifolium productum Bruce Bartholomew, B. Anderson 4582 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  HSC100119  Trifolium repens M. T. Milligan 1966-6-14 457 Modoc N end of Jess Valley 1616 Comment
  NY717606  Trifolium variegatum B. M. Bartholomew 1994-7-1 6761 Modoc 11.9 km northwest of State Highway 299 on road to Dutch Flat 1400 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
  POM127044  Trifolium wormskioldii W. P. Taylor, H. C. Bryant 1910-7-13 s.n. Modoc Warner Mountains, head N Fork of Parker Cr. 2226 Comment
  SJSU9619  Trifolium wormskioldii W. Savage 1979-7-6 1404 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCSC010690  Trifolium wormskioldii R. Morgan 2016-9-13 6850 Modoc Ash Creek Comment
  CAS-BOT-BC245034  Triglochin concinna var. debilis Bruce Bartholomew 1991-5-24 5719 Modoc Surprise Valley, vicinity of Surprise Valley Mineral Springs, 8 km E of Cedarville. 1400 Comment
  SEINET3151085  Triglochin maritima Mrs. M. H. Manning 146 Modoc N-E Modoc county Comment
  SEINET7073587  Triphysaria eriantha 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
  UC1024936  Trisetum canescens Leo Whitney 1935-7-1 3339 Modoc near Hackamore (ca 15 mi nw of Canby); Modoc National Forest, Spaulding's Butte 1463 Comment
  CAS-BOT-BC193532  Trisetum spicatum Elmer I. Applegate 1932-8-3 8115 Modoc Crest of Warner Mountains just north of Eagle Peak Comment
  RSA0034621  Triteleia hyacinthina George Willet 1935-6-14 s.n. Modoc 4 miles E of Likely. 1524 Comment
  RSA152425  Triteleia hyacinthina I. L. Wiggins, Dorothy Wiggins 1961-6-13 16462 Modoc 5 mi W of Fandango Pass, Warner Mtns. Comment
  SEINET8502707  Triteleia hyacinthina M. J. Williams 1983-7-29 83- 116 -5 Modoc Warner Mountains, N of Cedar Pass, 1.1 mi N of Stowe Reservoir Campground. 2088 Comment
  CHSC111103  Typha latifolia Lowell Ahart; John Dittes 2012-7-12 18363 Modoc North edge of Ash Creek, south of the gravil pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC245376  Urtica dioica subsp. holosericea Bruce Bartholomew; Barrett Anderson 1988-7-21 4437 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CHSC100428  Urtica dioica subsp. holosericea Lowell Ahart; John Dittes 2008-8-25 15282 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
  JEPS21881  Utricularia macrorhiza Calvin McMillan and Malcolm A. Nobs 1949-6-16 787 Modoc 33 mi. n.-n.w. Alturas (Dry Valley Reservoir); Dry Valley Reservoir Comment
  RSA603739  Utricularia macrorhiza Louis C. Wheeler 1935-9-29 4012 Modoc Two miles south of Alturas 1357 Comment
  RSA523577  Utricularia vulgaris subsp. macrorhiza W. L. Jepson 1918-8-11 7935 Modoc Alturas. Comment
  JEPS51163  Vaccaria hispanica W. L. Jepson 1918-8-13 7982 Modoc Jess Valley; Spargur Ranch 1584 Comment
  JEPS51166  Vaccaria hispanica W. L. Jepson 1918-8-9 7925 Modoc Lake City 1463 Comment
  UCD99484  Vaccaria hispanica W. A. Harvey 1954-6-4 s.n. Modoc just north of Lake City, Surprise Valley. 1371 Comment
  UCD99486  Vaccaria hispanica Frances D. Payne 1931-7-4 313 Modoc Parker Creek, Warner Mts, south and east of Alturas. 1584 Comment
  RSA600327  Vaccinium cespitosum L. C. Wheeler 1935-8-8 3811 Modoc N Fork Bidwell Creek, Warner Mts. 2378 Comment
  CHSC114216  Vaccinium membranaceum Loren Gehrung 1996-9-6 176 Modoc Modoc National Forest. Northern Warner Mts. In a boggy flat on North Fork Davis Ck. 1889 Comment
  CAS-BOT-BC245380  Valeriana californica Robert Patterson; Mona Bourell 1993-8-14 5222 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC245381  Valeriana californica Bruce Bartholomew 1990-6-16 5267 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  CAS-BOT-BC245383  Valeriana californica Bruce Bartholomew 1995-7-31 7090 Modoc E of Bald Mountain, E side of the Warner Mts. 2220 Comment
  CAS-BOT-BC245385  Valeriana californica K. Paulson; Robert Paulson 1990-7-2 209 Modoc Cave Lake, W side of Warner Mts. 1987 Comment
  HSC21703  Valeriana californica M. T. Milligan 1965-7-10 432 Modoc W slope of Eagle Peak. 2439 Comment
  HSC80785  Valeriana californica G. M. Riegel 1980-8-7 854 Modoc S Warner Mtns. 1029 Comment
  CAS-BOT-BC242190  Veratrum californicum var. californicum Barrett Anderson 1986-7-10 3197 Modoc West Warner Rd at the North Fork of Pine Creek. 1935 Comment
  CAS-BOT-BC242191  Veratrum californicum var. californicum Bruce Bartholomew; Barrett Anderson 1988-7-23 4561 Modoc Near Poison Lake ca. 5 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2000 Comment
  CAS-BOT-BC242193  Veratrum californicum var. californicum P. Monnet 1913-7-7 848 Modoc Warner's Range. 2286 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
  CAS-BOT-BC245483  Verbascum thapsus K. Paulson; Robert Paulson 1989-7-18 197 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1790 Comment
  CAS-BOT-BC245408  Verbena hastata Bruce Bartholomew 1989-8-11