Search Results — 2000 specimen records retrieved (1534 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCSB16  Abies concolor Haller, John 1959-8-4 Modoc 0.5 mile west of the crest of the Warner Mtns., 3 miles east of Patterson Ranger Station and Campground on road between Blue Lake and Lower Alkali Lake 2286 Comment
  CAS-BOT-BC15667  Achillea millefolium Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10518 Modoc Patterson Ranger Station, East Creek drainage. 2164 Comment
  CAS-BOT-BC15668  Achillea millefolium John H. Hatton 1911-6-13 84 Modoc Modoc County. 1371 Comment
  CAS-BOT-BC242286  Achnatherum Leland S. Smith 1924-5-31 1352 Modoc S of field, Egg Lake Ranch. Comment
  UCD51458  Achnatherum X bloomeri B. L. Kay 1957-6-1 s.n. Modoc 2 miles northeast Likeley. Comment
  CAS-BOT-BC242283  Achnatherum hymenoides Burgess L. Kay 1957-6-1 s.n. Modoc 2 mi. NE of Likely. Comment
  CAS-BOT-BC242276  Achnatherum lemmonii Clare Butterworth Hardham 1961-6-18 7552 Modoc E side of Cedar Pass. 1828 Comment
  CDA28104  Achnatherum lemmonii L. White & H. T. Osborne 1957-6-27 Modoc 1/4 mile west of Cedar Pass, 3 miles west of Cedarville. Comment
  UC1025048  Achnatherum lemmonii Leo Whitney 1935-8-3 3610 Modoc Buck Creek plot Buck Creek Comment
  UCD50455  Achnatherum lemmonii E. Wilson 1934-5-15 s.n. Modoc About 20 miles west Alturas-Redding Hwy. Comment
  UC711840  Achnatherum occidentale subsp. californicum Roxana S. Ferris and Laura Lorraine 1941-8-13 10533 Modoc East Creek drainage, Patterson Ranger Station Warner Mountains, Modoc National Forest 2164 Comment
  CHSC79429  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2114 Modoc Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD51218  Achnatherum occidentale subsp. pubescens R. Tofsrud 1947-7-1 244 Modoc 5 mi. W. of Ft. Bidwell. Comment
  UCD32714  Achnatherum thurberianum Beecher Crampton 1954-7-7 2146 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, on volcanic slopes. 1097 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
  SBBG128893  Acmispon americanus var. americanus L. Ahart 2008-8-25 15302 Modoc W bank (flood plane) of the Pit River, ca. 1/8 mi E of County Rd 91, ca. 3.8 mi (air) NNE of Lookout 1273 Comment
  CAS-BOT-BC218307  Aconitum columbianum Leland S. Smith 1917-8-3 146 Modoc Davis Creek. 2133 Comment
  CAS-BOT-BC218309  Aconitum columbianum Bruce Bartholomew; Barrett Anderson 1990-7-20 5498 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  NY483099  Aconitum columbianum subsp. columbianum B. Anderson 1986-7-10 3198 Modoc Warner Mountains. West Warner Road at the north fork of Pine Creek. 1935 Comment
  UC8852  Actaea rubra Milo S. Baker 1893-6 Modoc Comment
  RSA0062302  Adonis aestivalis Lowell Ahart, John Dittes 2011-6-21 17514 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 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
  CDA3515  Adonis aestivalis T. C. Fuller 1963-6-17 10644 Modoc North side of Highway 299 to Adin, 1.5 miles west of Canby. 0 Comment
  UCD95442  Adonis aestivalis T. C. Fuller 1963-7-11 10643 Modoc S. of Hwy 299 to Adin, 2.0 mi. w. of Canby. Comment
  UC26065  Agastache parvifolia Milo S. Baker 1893-6 Modoc Egg Lake Shore; on Egg Lake Shore Comment
  CAS-BOT-BC179877  Agastache urticifolia Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10535 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC179879  Agastache urticifolia Robert Patterson; Mona Bourell 1993-8-15 5266 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC179883  Agastache urticifolia Annie Montague Alexander; L. Kellogg 1946-7-11 4963 Modoc Eight Mile Creek. Comment
  CAS-BOT-BC179887  Agastache urticifolia Leland S. Smith 1924-6-20 1421 Modoc Curtis Water Hole. 1310 Comment
  CAS-BOT-BC179889  Agastache urticifolia Bruce Bartholomew; Barrett Anderson 1990-7-20 5481 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CHSC109888  Agastache urticifolia B. Castro; L. P. Janeway 2012-7-25 1961 Modoc Warner Mountains. Low broad ridge ca 0.8 air mi E of Dismal Swamp. 2246 Comment
  CHSC12955  Agastache urticifolia K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5836 Modoc At foot of small cliff above roadside bank on e side of Hwy. 395, ca. 4 mi n of Alturas. 1371 Comment
  UC882836  Agastache urticifolia C. L. Hitchcock 1940-5-27 6704 Modoc on knoll 15 mi ne Alturas 1615 Comment
  CAS-BOT-BC179884  Agastache urticifolia Clare Butterworth Hardham 1961-6-18 7565 Modoc Dave Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC15523  Agoseris X dasycarpa Bruce Bartholomew; B. Anderson 1988-7-22 4492 Modoc Vicinity of East Creek Trailhead, southern end of Warner Mountains 2210 Comment
  SD46772  Agoseris glauca Robert J. Weatherby 1955-7-8 1617 Modoc 7 miles north of Ft. Bidwell, northern Warner Mountains. 1875 Comment
  CAS-BOT-BC23036  Agoseris grandiflora John Thomas Howell 1934-6-11 11937 Modoc Parker Creek. Warner Mountains. 1584 Comment
  CAS-BOT-BC23035  Agoseris grandiflora var. grandiflora John Thomas Howell 1934-6-13 12079 A Modoc Fandango Pass, Warner Mts. 1828 Comment
  CAS-BOT-BC23037  Agoseris grandiflora var. grandiflora John Thomas Howell 1934-6-11 11937 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC23038  Agoseris grandiflora var. grandiflora B. Bartholomew; B. Anderson 1988-7-22 4484 Modoc Vicinity of East Creek Trailhead, southern end of the Warner Mountains, Emerson Peak 7 1/2' Quad 2210 Comment
  HSC6040  Agoseris monticola M. T. Milligan 1964-7-25 185 Modoc Pine Creek Basin, along trail. 2439 Comment
  UCD77305  Agoseris monticola Robert E. Preston 2000-6-2 1363 Modoc Modoc Plateau, along Hwy 139, ca. 2.5 mi e of Forest Service Road 44N11, T42N R8E Section 3 1493 Comment
  CAS-BOT-BC126785  Agoseris parviflora C. L. Hitchcock 1940-5-27 6707 Modoc 15 mi. northeast of Alturas 1676 Comment
  CAS-BOT-BC242303  Agropyron cristatum James D. Jokerst 1983-7-27 1914 Modoc Near Signal Butte. 1248 Comment
  CAS-BOT-BC242306  Agropyron cristatum Bruce Bartholomew; Barrett Anderson 1990-7-19 5398 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  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
  SDSU728  Agropyron inerme D. F. Howe 1966-8-25 4299 Modoc Fandango Pass, Warner Mts. 1859 Comment
  UC1137134  Agrostis alba August L. Hormay 1932-7-15 Modoc Crowder Ranger Stationi Modoc National Forest, Crowder Ranger Station Comment
  UC1137135  Agrostis alba August L. Hormay 1932-7-15 Modoc Pease Cabin Modoc National Forest, Pease Cabin Comment
  UC70679  Agrostis alba Mrs. M. H. Manning 1904-7-7 419 Modoc north-eastern Modoc County Comment
  CAS-BOT-BC242423  Agrostis exarata Leland S. Smith 1924-6-29 1441 Modoc Happy Camp Ranger Station. Comment
  CAS-BOT-BC242424  Agrostis exarata Bruce Bartholomew; Barrett Anderson 1988-7-23 4597 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  POM203129  Agrostis pallens J. T. Howell 1934-7-3 12377 Modoc 5 miles S of Hackamore Comment
  UC1024961  Agrostis pallens Leo Whitney 1935-7-1 3376 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCD53170  Agrostis pallens L. Whitney 1935-7-5 s.n. Modoc Hackamore Reservoir. Comment
  UC188837  Agrostis perennans Milo S. Baker Modoc Forestdale Comment
  POM172484  Agrostis scabra Franklin P. Nutting 1894-8-25 s.n. Modoc Forestdale Comment
  JEPS119853  Agrostis stolonifera Lowell Ahart, John Dittes 2012-7-10 18323 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
  CAS-BOT-BC190680  Aliciella micromeria Bruce Bartholomew; Barrett Anderson 1989-6-2 4835 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC245220  Alisma gramineum Herbert Louis Mason 1955-8-13 14653 B Modoc SW side of Goose Lake. Comment
  UC1100157  Alisma plantago-aquatica Herbert L. Mason 1955-8-13 14653 C Modoc s end Goose Lake Comment
  UC1100158  Alisma plantago-aquatica Herbert L. Mason 1955-8-13 14651 B Modoc s end Goose Lake 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-BC245005  Allium acuminatum K. Paulson; Robert Paulson 1989-6-14 137 Modoc Junction of Hwy 299 and Hwy 395 at turn off to Cedar Pass. 1371 Comment
  POM110315  Allium acuminatum Mrs. R. M. Austin 1895-07 499 Modoc Goose Lake Valley. Comment
  UC1178813  Allium acuminatum Herbert L. Mason 1947-7-8 13321 Modoc Cedar Pass, summit of Warner Mountains Warner Mountains, Cedar Pass 1921 Comment
  UCR92623  Allium acuminatum Kathy Harper, Dane Karr 1994-6-16 s.n. Modoc Calif. Hwy 139 between Lookout-Hackamore Road and US Hwy 299 1340 Comment
  SEINET8111958  Allium acuminatum M. J. Williams 1969-1 Modoc Comment
  SJSU7600  Allium acuminatum H. L. Buckalew 1961-6-26 Modoc by Deep Creek Canyon, Warner Mts 1645 Comment
  UCD141839  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. Comment
  JEPS47575  Allium bisceptrum var. bisceptrum L. S. Smith 1920-7-31 1190 Modoc Patterson 2194 Comment
  JEPS47629  Allium bisceptrum var. bisceptrum L. S. Smith 1843-1 Modoc Cottonwood Pass Warner Mts., Cottonwood Pass 2133 Comment
  CAS-BOT-BC244991  Allium campanulatum John Thomas Howell 1934-6-11 11957 Modoc Parker Creek. 1584 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
  CHSC118295  Allium geyeri var. tenerum L. P. Janeway 2016-5-17 12038 Modoc Modoc Plateau. Devils Garden area; where Reoad 45N06 crosses Logans Slough; about 3.2 air-km morth of Big Sage Reservior. 1494 Comment
  CAS-BOT-BC244985  Allium lemmonii Bruce Bartholomew 1990-6-16 5279 Modoc Bear Flat, W side of Warner Mountains. 1830 Comment
  HSC25434  Allium lemmonii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19494 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC244975  Allium platycaule Isabelo T. Kelly 1930-1-1 70 Modoc Buck Creek. Comment
  RSA27874  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 miles northeast of Alturas. 1616 Comment
  JEPS13888  Allium platycaule Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3747 Modoc about 200 ft above and s Cedar Pass; Warner Mountains 1981 Comment
  JEPS50695  Allium platycaule Wayne Roderick 1963-6-9 Modoc at end of a bad road starting from a camp ground, going n, on the e side of Cedar Pass Warner Mountains, Cedar Pass 2133 Comment
  SEINET256832  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek road. 2073 Comment
  UC619269  Allium platycaule J. and H. W. Grinnell 1938-6-16 1111 Modoc Cedar Pass Summit Warner Mountains, Cedar Pass Summit 1935 Comment
  RSA17427  Allium tolmiei Elmer I. Applegate 1932-7-9 7586 Modoc Open rocky north slope of Bidwell Mountain, Warner Mountains. Comment
  CAS-BOT-BC244955  Allium tolmiei var. tolmiei Francis Dorris Payne 1932-6-10 533 Modoc Parker Creek. 1584 Comment
  UC1036048  Allium tolmiei var. tolmiei Annie M. Alexander and Louise Kellogg 1946-6-8 4702 Modoc near 3 mile Ranger Station sign (on road from Eagleville to Patterson Mill) 2225 Comment
  RSA504656  Allium validum Bruce Bartholomew, B. Anderson 1988-7-23 4585 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mountains. 2170 Comment
  CAS-BOT-BC190746  Allophyllum gilioides subsp. gilioides Bruce Bartholomew 1995-6-22 6983 Modoc Between Day and Lookout, 17.0 km W of Day on County Road 94. 1280 Comment
  CAS-BOT-BC190747  Allophyllum gilioides subsp. gilioides Bruce Bartholomew 1995-5-12 6899 Modoc Near NE side of Day Rock above Little Hot Spring Valley. 1310 Comment
  CAS-BOT-BC190743  Allophyllum integrifolium Bruce Bartholomew 1989-8-13 5138 Modoc ca. 3.2 km N of Manzanita Mountain. 1580 Comment
  CAS-BOT-BC190744  Allophyllum integrifolium Bruce Bartholomew; Barrett Anderson 1988-7-22 4538 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mts.. 1980 Comment
  CAS-BOT-BC242345  Alopecurus aequalis Isabelo T. Kelly 1930-1-1 23 Modoc Modoc County. Comment
  CAS-BOT-BC242350  Alopecurus aequalis Leland S. Smith 1924-6-8 1386 Modoc West side Egg Lake - Modoc National Forest Comment
  UCR87504  Alyssum alyssoides George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  HSC42319  Alyssum alyssoides S. Saufferer 1973-5-5 131 Modoc About 7 1/2 mi. S of Pine Creek along Hwy. 395 Comment
  CHSC67091  Alyssum desertorum James D. Jokerst 1987-5-12 2854 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  RSA520451  Alyssum minus Bruce Bartholomew, B. Anderson 1989-4-27 4621 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC58650  Alyssum simplex Bruce Bartholomew; Barrett Anderson 1988-5-13 4179 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mts.. 1450 Comment
  JEPS85825  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
  CHSC117368  Amaranthus albus Lowell Ahart; John Dittes 2016-7-14 21182 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  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
  RSA783326  Amaranthus blitoides R. R. Halse 2010-9-2 8110 Modoc Warner Mts: Modoc National Forest. Along State Hwy 299 ca. 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead. 1619 Comment
  UC71568  Amaranthus blitoides Mrs. M. H. Manning Jul 1903 242 Modoc north-eastern near Fort Bidwell. Comment
  CHSC117243  Amaranthus californicus Lowell Ahart; John Dittes 2016-7-16 21253 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
  JEPS117299  Amaranthus californicus Lowell Ahart, John Dittes 2010-8-31 17106 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  RSA768065  Amaranthus californicus L. Ahart, John Dittes 2010-8-31 17106 Modoc 10 yrds west of Elkins Lane, about 150 yrds north of bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley 1275 Comment
  CAS-BOT-BC21492  Amaranthus powellii Bruce Bartholomew; Barrett Anderson 1990-7-21 5558 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  RSA3394  Amelanchier pallida Carl B. Wolf 1931-9-5 2400 Modoc Roadside, on grade from Lake City-Fort Bidwell Road - to Davis Creek. (3 miles above east base) Warner Mtns. 1677 Comment
  CAS-BOT-BC217085  Amelanchier utahensis Isabelo T. Kelly 1930-1-1 6 Modoc Fort Bidwell 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
  SBBG27371  Amelanchier utahensis C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi NE of Alturas 1615 Comment
  CAS-BOT-BC54154  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1940-6-12 8043 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC54199  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1940-6-13 8108 Modoc Surprise Valley. Comment
  JEPS126551  Amsinckia menziesii Lowell Ahart, John Dittes 2016-6-6 20942 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC15605  Ancistrocarphus filagineus Alice Eastwood; John Thomas Howell 1940-6-15 8298 Modoc 5 mi. N of Lookout. Comment
  CAS-BOT-BC15607  Ancistrocarphus filagineus Bruce Bartholomew 1991-6-22 5860 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  CAS-BOT-BC15608  Ancistrocarphus filagineus Bruce Bartholomew; Barrett Anderson 1989-6-2 4801 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  SJSU9567  Ancistrocarphus filagineus W. Savage 1979-7-3 1309 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS23489  Anemone drummondii Frances D. Payne 1931-6-29 285 Modoc e. side Mt. Warren; Warner Mts., Mt. Warren 2286 Comment
  CAS-BOT-BC15621  Antennaria argentea Annie Montague Alexander; L. Kellogg 1946-6-17 4785 Modoc Cedar Pass road. 1767 Comment
  CAS-BOT-BC15614  Antennaria argentea E. H. Steffen 1917-7-1 88 Modoc Granger Mill. 1676 Comment
  JEPS33959  Antennaria argentea L. S. Smith 1917-7-1 88 Modoc Granger Ranger Ste.; Warner Mts. 1676 Comment
  RSA59978  Antennaria dimorpha E. K. Balls 1950-5-13 14683 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line. 1463 Comment
  UC29493  Antennaria geyeri Mrs. R. M. Austin Jun 1894 Modoc near Willow Creek Comment
Read comments
Jul 6 2010
  CAS-BOT-BC15555  Antennaria luzuloides Alice Eastwood; John Thomas Howell 1940-6-11 8010 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CAS-BOT-BC15593  Antennaria luzuloides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16426 Modoc Near summit of Cedar Pass. 1920 Comment
  RSA518794  Antennaria luzuloides Barbara Ertter 1988-6-18 7625 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Nat'l Monument E of Tonesta. 1311 Comment
  SEINET11843008  Antennaria luzuloides M. J. Williams 1984-1 84- 72 -2 Modoc Cave Lake, W side of Warner Mountains 2134 Comment
  RSA26467  Antennaria luzuloides subsp. aberrans Alice Eastwood, J. T. Howell 1940-6-11 8010 Modoc 6 miles NE of Adin on road to Canby. Comment
  UC748162  Antennaria rosea Annie M. Alexander and Louise Kellogg 1946-6-27 4847 Modoc Highgrade (top of ridge, 2 mi by road from Dismal Swamp) Warner Mountains (north end) 2377 Comment
  CAS-BOT-BC15557  Antennaria rosea subsp. rosea Clare Butterworth Hardham 1961-6-20 7864 Modoc Pine Creek. 1676 Comment
  CAS-BOT-BC15558  Antennaria rosea subsp. rosea Annie Montague Alexander; L. Kellogg 1946-7-11 4973 Modoc Mesa W of Eight Mile Creek. Comment
  CAS-BOT-BC15688  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-6-28 4867 Modoc Pine Creek Canyon. 1615 Comment
  CAS-BOT-BC15691  Apocynum androsaemifolium K. Paulson; Robert Paulson 1988-7-13 77 Modoc Clear Lake area, Warner Mts.. Comment
  UC22911  Apocynum androsaemifolium Mrs. R. M. Austin Aug. 1894 Modoc Lassen Creek Comment
  SEINET7923499  Apocynum androsaemifolium M. J. Williams 1984-6-30 84- 76 -2 Modoc Warner Mtns., Cedar Pass Road, 1.7 mi W of Cedarville. 1509 Comment
  UC22906  Apocynum androsaemifolium Baker July, 1893 Modoc Comment
  HSC18043  Aquilegia formosa var. formosa M. T. Milligan 1965-6-26 331 Modoc N end Jess Valley. 1616 Comment
  SEINET195669  Arabis holboellii var. retrofracta Annie M. Alexander, Louise Kellogg 1946-6-27 4848 Modoc Two miles by road from Dismal Swamp north end of Warner Mountains. 914 Comment
  HSC81080  Arabis holboellii var. retrofracta G. M. Riegel 1978-8-25 144 Modoc S Warner Mtns. 1670 Comment
  NY114822  Arabis puberula R. C. Rollins 1981-6-1 81192 Modoc Warner Mtns., 3.3 miles W of Lake City Comment
  SEINET5340682  Arabis puberula R. C. Rollins, K. W. Rollins 1981-6-1 81192 Modoc Warner Mountains, 3.3 miles west of Lake City. Comment
  CAS-BOT-BC95646  Arctostaphylos nevadensis Bruce Bartholomew; Barrett Anderson 1990-7-20 5530 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC248334  Arctostaphylos patula B. Bartholomew; H. Sun 2002-6-24 8814 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  CAS-BOT-BC95654  Arctostaphylos patula Bruce Bartholomew; Barrett Anderson 1989-4-27 4613 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  HSC98187  Arctostaphylos patula M. T. Milligan 1964-5-9 36 Modoc 10 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  LA34910  Arctostaphylos patula Mary V. Hood; 1944-6-27 44- 93 k* Modoc Sequoia National Park, Little Baldy 2468 Comment
  RSA531334  Arenaria aculeata Bruce Bartholomew 1990-6-15 5245 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  JEPS35869  Arnica chamissonis Frances D. Payne 1931-6-20 204 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS35871  Arnica chamissonis Frances D. Payne 1931-6-29 295 Modoc e of Warren Peak; Owl Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC15449  Arnica chamissonis subsp. foliosa Elmer Ivan Applegate 1897-6-7 846 Modoc Clear Lake. Comment
  CAS-BOT-BC15574  Arnica chamissonis subsp. foliosa James T. Vale; K. Wagnon; Walter Knight; Irja Knight 1981-5-23 4130 Modoc From margin of Egg Lake on White Horse Road NW of Lookout. 1310 Comment
  CDA10115  Arnica chamissonis subsp. foliosa G. D. Barbe, J. Kelley 1988-7-2 4305 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  JEPS35922  Arnica cordifolia Frances D. Payne 1931-6-29 297 Modoc Owl Creek, e of Warren Peak Warner Mountains, Warren Peak, Owl Creek 2133 Comment
  RSA94499  Arnica cordifolia F. W. Peirson 1926-6-25 6876 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  CAS-BOT-BC15282  Arnica longifolia Leland S. Smith 1917-8-3 147 Modoc South Fork Davis Creek. 2042 Comment
  CAS-BOT-BC15425  Arnica longifolia Bruce Bartholomew 1989-8-12 5125 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  JEPS35892  Arnica longifolia L. S. Smith 1918-8-28 1055 Modoc Patterson Lake Warner Mountain Range, Modoc National Forest, Owl Creek, Pat 2438 Comment
  HSC4703  Arnica longifolia M. T. Milligan 1966-8-8 639 Modoc West slope of Eagle Peak 2439 Comment
  CAS-BOT-BC15289  Arnica mollis Annie Montague Alexander; L. Kellogg 1946-7-29 5080 Modoc S slope of Eagle Peak. 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
  CHSC110906  Arrhenatherum elatius Lowell Ahart; John Dittes 2012-7-10 18309 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, big Valley. Northeast of the old homestead. 1267 Comment
  CHSC113084  Arrhenatherum elatius Lowell Ahart; John Dittes 2013-7-24 18936 Modoc South bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  CHSC112367  Artemisia arbuscula subsp. arbuscula L. P. Janeway; B. Castro 2014-6-2 11286 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  UCR57490  Artemisia ludoviciana R. D. Goeden, Don W. Ricker 1989-8-23 890823- 23 Modoc Warner Mtns., Modoc National Forest, Fandango Pass Road, in vicinity of Warner Mtn. 1607 Comment
  JEPS108113  Artemisia ludoviciana subsp. candicans Anthony B. Walters 2005-9-28 Modoc Brokenera Ranch 1 mi S of New Pine Creek on E side of Hwy 395, near pond on W base of Warner Mountains. Comment
  CAS-BOT-BC15262  Artemisia ludoviciana subsp. incompta Elmer Ivan Applegate 1932-8-5 8167 Modoc Cedar Mountain. Comment
  CHSC111998  Artemisia ludoviciana subsp. incompta B. Castro; L. P. Janeway 2008-8-17 1747 Modoc Warner Mountains. North slope of Bald Mountain; at base, ca 280 ft S of USFS Rd 44N30 in eastern branches of upper S. Fork Mill Creek. 2267 Comment
  UC1776690  Artemisia ludoviciana subsp. incompta G. Schoolcraft 1999-7-13 2865 Modoc Lower slopes of Warner Mountains 3 miles N of Eagleville, CA 1463 Comment
  JEPS18873  Artemisia ludoviciana subsp. incompta Rimo Bacigalupi with L. R. Heckard and Mr. and Mrs. John Mann 1957-8-17 6059 Modoc 1 mi. n Davis Creek P.O. (at edge of ranch of John Mann) 1508 Comment
  CAS-BOT-BC15269  Artemisia ludoviciana subsp. ludoviciana Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10566 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  CAS-BOT-BC15202  Artemisia spinescens E. S. Willits 1940-6-9 341 Modoc Cedarville. 1371 Comment
  CAS-BOT-BC15209  Artemisia tridentata subsp. tridentata James D. Jokerst 1983-7-27 1910 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC15213  Artemisia tridentata subsp. tridentata Doris K. Kildale 1926-9-11 2770 Modoc Between Alturas and Marlin, Oregon. 1371 Comment
  RSA67246  Artemisia tridentata subsp. tridentata Philip A. Munz 1951-9-14 16983 Modoc Cedar Pass, Warner Mts. 1921 Comment
  SEINET3397749  Artemisia tridentata subsp. wyomingensis Unknown 1994-1 s.n. Modoc 5 mi. N. of Likely Comment
  HSC1978  Asclepias cordifolia M. T. Milligan 1965-6-30 392 Modoc E of Jess Valley 1677 Comment
  UC22966  Asclepias cordifolia Milo S. Baker 1893-7-8 Modoc Comment
  UC105340  Asclepias fascicularis Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  JEPS49885  Asclepias fascicularis Frances D. Payne 1931-7-5 327 A Modoc about 3 mi n Parker Creek (Fern Spring Gulch, s and e of Alturas); Warner Mountains 1828 Comment
  CAS-BOT-BC15665  Asclepias speciosa Bruce Bartholomew 1994-7-4 6847 Modoc Hubert Creek. 1390 Comment
  CAS-BOT-BC497207  Asteraceae Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8390 Modoc About 2.5 mi upgrade on Fandango Pass from the E side Comment
  RSA0028053  Astragalus John F. Emmel 1997-6-8 1495 Modoc 3 to 4 road miles east of Hwy. 395 on Hwy. 299 (Cedarville Road). 1524 Comment
  NY790904  Astragalus agrestis Mrs. C. C. Bruce 06 1898 2212 Modoc Madaline Plains Comment
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Aug 21 2016
  POM260736  Astragalus curvicarpus Alice Eastwood, John T. Howell 1940-6-11 8024 Modoc 8 miles from Canby on road to Alturas. Comment
  HSC14555  Astragalus curvicarpus M. T. Milligan 1964-6-20 50 Modoc 10th St., E Alturas. 1372 Comment
  CAS-BOT-BC218211  Astragalus curvicarpus var. curvicarpus James D. Jokerst 1983-7-27 1913 Modoc Near Signal Butte. 1340 Comment
  CHSC112432  Astragalus curvicarpus var. curvicarpus Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18761 Modoc About 300 yards east of the Parking Area, east of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  NY803532  Astragalus curvicarpus var. curvicarpus M. J. Williams 1984-6-29 84- 74 --1 Modoc 4.8 miles in on Fandango Pass road from Highway 395 1524 Comment
  SEINET7103955  Astragalus curvicarpus var. curvicarpus Margaret J. Williams 1984-6-29 84- 74 -1 Modoc 4.8 mi in on Fandango Pass road from Hwy 395.; 0 1524 Comment
  UC862747  Astragalus curvicarpus var. curvicarpus Lewis S. Rose 1940-6-11 40513 Modoc Canby 1325 Comment
  NY658498  Astragalus filipes C. L. Hitchcock 1940-5-27 6650 Modoc 9 miles Northeast of Alturas 1402.1 Comment
  SBBG3187  Astragalus filipes H. and M. Dearing 1939-6-7 3581 Modoc near Alturas Comment
  RSA152721  Astragalus filipes I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16433 Modoc S facing slope 4 miles E of summit of Cedar Pass, betw Alturas and Cedarville Comment
  UC748310  Astragalus filipes Annie M. Alexander and Louise Kellogg 1946-6-12 4743 Modoc e side Fandango Pass Road; Fandango Pass Road e side Comment
  CHSC110988  Astragalus gibbsii Lowell Ahart; John Dittes 2012-7-12 18374 Modoc Along the poor dirt road to the gravel pit, about 1/10 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. 1276 Comment
  JEPS120883  Astragalus lemmonii Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18766 Modoc About 300 yards NE of the Parking Area, NE of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber, Big Valley. Comment
  UC13401  Astragalus lentiginosus var. chartaceus Mrs. R. M. Austin and Bruce July 1898 2210 Modoc Goose Lake Shore Comment
  UC13402  Astragalus lentiginosus var. lentiginosus Milo S. Baker 1893-6-2 Modoc Comment
  CAS-BOT-BC182035  Astragalus purshii Bruce Bartholomew; Barrett Anderson 1989-4-29 4683 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC182041  Astragalus purshii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6540 Modoc Just W of West Valley Reservoir. 1460 Comment
  CAS-BOT-BC193030  Astragalus purshii var. tinctus Robert J. Weatherby 1955-7-8 1636 Modoc 3 miles north of Ft. Bidwell, northern Warner Mts. 1554 Comment
  RSA415669  Astragalus purshii var. tinctus Christopher Davidson 1975-6-4 2608 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  POM275213  Astragalus whitneyi A. M. Alexander, Louise Kellogg 1946-7-23 5043 Modoc East slope of Emerson Peak, Warner Mountains. Comment
  CAS-BOT-BC181995  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1990-6-17 5355 Modoc 11.3 km N of Buck Creek Ranger Station, a crest of the Warner Mountains. 2130 Comment
  CAS-BOT-BC182002  Astragalus whitneyi var. lenophyllus Bruce Bartholomew; Barrett Anderson 1988-5-13 4171 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 Comment
  CAS-BOT-BC182008  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1989-7-14 4924 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC182020  Astragalus whitneyi var. lenophyllus Elmer Ivan Applegate 1932-8-1 8015 Modoc Warren Peak, Warner Mts. Comment
  SFV1789  Astragalus whitneyi var. siskiyouensis I. L. Wiggins, D. B. Wiggins 1961-6-16 16525 Modoc 6.4 miles west of Canby. 1320 Comment
  CAS-BOT-BC30204  Athyrium filix-femina subsp. cyclosorum Bruce Bartholomew 1994-7-2 6826 Modoc North Fork of Davis Creek, W side of the Warner Mountains. 1910 Comment
  CAS-BOT-BC58461  Athysanus pusillus Bruce Bartholomew; Barrett Anderson 1989-4-27 4626 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  UC71682  Athysanus pusillus Mrs. M. H. Manning May, 1903 104 Modoc Mount Bidwell, in north-eastern Modoc County Mount Bidwell 1524 Comment
  CHSC106320  Atriplex argentea var. argentea Lowell Ahart; John Dittes 2010-8-31 17137 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC9028  Avena fatua M. T. Milligan 1964-8-8 211 Modoc Corner of East D and 8th Street, Alturas 1372 Comment
  UC42327  Azolla filiculoides Mrs. R. M. Austin June, 1894 Modoc Cold Spring; Willow Creek Valley Comment
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Jul 6 2010
  CAS-BOT-BC15144  Balsamorhiza X terebinthacea Bruce Bartholomew; Barrett Anderson 1988-5-14 4195 Modoc 1.3 km S of turn off to Crowder Flats West Side Road, W side of Goose Lake. 1410 Comment
  CAS-BOT-BC218200  Balsamorhiza hookeri John H. Hatton 1911-6-9 1 Modoc Modoc County - Modoc National Forest 1356 Comment
  CAS-BOT-BC15180  Balsamorhiza hookeri var. lanata R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2179 Modoc unspecified Comment
  CAS-BOT-BC15193  Balsamorhiza hookeri var. lanata Ellsworth Bethel 1923-4-26 s.n. Modoc Lookout. Comment
  CHSC67159  Balsamorhiza macrolepis var. platylepis James D. Jokerst 1994-5-3 4038 Modoc Devils Garden located 4 mi E of Spalding Butte, 1.5 mi SW of Mud Lake. +- 100 ft N of milepost 42. Comment
  CAS-BOT-BC15131  Balsamorhiza sagittata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16502 Modoc 22 mi. W of Canby along Hwy 139. Comment
  JEPS30489  Balsamorhiza sagittata Peter H. Raven with Otto T. Solbrig 1958-6-18 13316 Modoc 8.8 mi s of Happy Camp Guard Station (Modoc National Forest); Modoc National Forest Comment
  SEINET3141609  Balsamorhiza sagittata E. K. Balls 1950-5-10 15966 Modoc .5 mi. E past fork on Hwy. 395 & rd. rom Alturas 1585 Comment
  SFV3763  Balsamorhiza sagittata I. L. Wiggins, D. B. Wiggins 1960-6-12 16410 Modoc Along Cedar Pass road between Alturas and Cedarville. Steep hillside in Cedar Pass. Comment
  RSA60231  Balsamorhiza serrata E. K. Balls 1950-5-13 14672 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line. 1463 Comment
  CAS-BOT-BC58633  Barbarea orthoceras Annie Montague Alexander; L. Kellogg 1946-7-17 5009 Modoc Benton Meadow, Warner Mts. 2072 Comment
  JEPS53242  Barbarea orthoceras Frances D. Payne 1931-6-22 237 Modoc s and e of Alturas (Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Dry Creek 1828 Comment
  RSA0059626  Barbarea orthoceras Lowell Ahart, John Dittes 2011-6-21 17518 Modoc about 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC71681  Barbarea orthoceras Mrs. M. H. Manning May, 1903 125 Modoc Near Fort Bidwell, in north-eastern Modoc 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
  JEPS124361  Beckmannia syzigachne Lowell Ahart, John Dittes 2015-7-16 20372 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UCD32724  Beckmannia syzigachne Beecher Crampton 1954-7-7 2162 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  RSA0005404  Beckwithia austinae R. M. Austin, C. C. Bruce 1898-06 2134 Modoc Lake City Mt. Western slope. Comment
  CAS-BOT-BC54176  Berberis aquifolium var. repens Belknap C. Goldsmith 1911-6-15 35 Modoc N Fork Davis Creek, W slope Warner Mountains 2011 Comment
  CHSC115484  Berberis aquifolium var. repens L. P. Janeway 2014-7-8 11465 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
  HSC27250  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1972-5-6 5277 Modoc Hillside E of Fandango Valley, 2 mi. E of valley floor 1707 Comment
  HSC65327  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1973-8-9 7264 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  OBI20535  Berberis aquifolium var. repens H. E. McMinn 1931-5-23 2445 Modoc Fandango Pass, Warner Mts. Comment
  SBBG2288  Berberis aquifolium var. repens H. and M. Dearing 1939-6-8 3597 c Modoc Pine Cyn, Warner Mtns Comment
  SEINET256813  Berberis repens M. J. Williams 1984-6-29 84 -725 Modoc Cave Lake W side of the Warner Mtns 2134 Comment
  UC1583943  Berula erecta G. Schoolcraft 1990-7-11 2105 Modoc about 2 mi w of West Valley Reservoir 1493 Comment
  UC985674  Berula erecta Verne Grant, Irving Schneider 1947-7-22 8150 Modoc 1 mi nw of Highway 395 (on dirt road leading to s end of Goose Lake, Headwaters of North Fork of Pit River); North Fork Pit River Comment
  SEINET2149791  Betula glandulosa K. T. Harper 1974-1 137 Modoc Dismal Swamp, north end of Warner Mountains. 2165 Comment
  UC748348  Betula glandulosa Annie M. Alexander and Louise Kellogg 1946-6-25 4819 Modoc Dismal Swamp, n. end Warner Mts. Warner Mts., Dismal Swamp 2255 Comment
  CAS-BOT-BC54192  Betula occidentalis Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6468 Modoc Along Emerson Creek below Emerson Campground, E side of Warner Mountains. 1600 Comment
  NY526320  Betula occidentalis B. M. Bartholomew 1988-6-24 4350 Modoc South Barber Creek, 6.3 km southwest of County Road 1 on County Road 42, east side of the Warner Mountains. Snake Lake 7 1/2' Quad. 1790 Comment
  CDA39612  Betula occidentalis T. C. Fuller 1971-7-14 19907 Modoc South Barber Creek at crossing with Barber Grade. 0 Comment
  UCR57550  Bidens cernua R. D. Goeden 1989-8-23 28 Modoc Modoc National Forest, Clear Lake Road at Fletcher Creek. 1479 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-BC218108  Bistorta bistortoides Bruce Bartholomew 1992-5-16 6329 Modoc Lunsford Spring 1600 Comment
  CAS-BOT-BC15083  Blepharipappus scaber David D. Keck; J. Clausen 1919-6-13 72 Modoc 3 mi. NE of Willow Ranch, E of Goose Lake 1550 Comment
  CAS-BOT-BC15123  Blepharipappus scaber R. M. Austin 1886-6-1 Modoc Goose Lake Valley. Comment
  HSC41122  Blepharipappus scaber Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3248 Modoc Modoc National Forest; along Hwy. 299 just NW of Andin Pass 1524 Comment
  RSA503055  Blepharipappus scaber Bruce Bartholomew, B. Anderson 1988-6-23 4222 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  RSA520374  Blepharipappus scaber Bruce Bartholomew, B. Anderson 1989-6-1 4735 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  SEINET7379327 Image available Blepharipappus scaber M. J. Williams, A. Tiehm, J. Nachlinger 1988-6-2 88- 28 -4 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  CAS-BOT-BC95734  Boechera pauciflora Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2148 Modoc Cedar Peak, Warner Mts. Comment
  JEPS53129  Boechera platysperma W. L. Jepson 1918-8-7 7887 Modoc Mt. Bidwell summit Mt. Bidwell 2507 Comment
  CAS-BOT-BC35123  Boechera puberula E. S. Willits 1940-5-6 225 Modoc Davis Creek. Comment
  CAS-BOT-BC25531  Boechera retrofracta John Thomas Howell 1934-6-14 12143 Modoc Warner Mountains. Near Lost Lake. 2438 Comment
  CAS-BOT-BC25701  Boechera sparsiflora Margaret M. Stanna 1956-6-7 s.n. Modoc Highway 139 - between Canby and Tienesta. Comment
  UC1573167  Boechera sparsiflora Dean W. Taylor 1989-8-5 10453 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains, , Emerson Creek 2560 Comment
  RSA608268  Brickellia grandiflora L. C. Wheeler 1935-8-14 3847 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  RSA152613  Briza maxima I. L. Wiggins, Dorothy Wiggins 1961-6-12 16374 Modoc California Highway 299, 5.5 mi. N of Alturas at junction of Cedar Pass road. 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
  JEPS124310  Brodiaea coronaria Lowell Ahart, John Dittes 2015-7-15 20340 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
  CAS-BOT-BC244940  Brodiaea coronaria subsp. coronaria M. Vasey 1990-6-30 9034 Modoc 0.2 mi. from junction of Lava Camp Road and road to Egg Lake. 1300 Comment
  UC1134015  Brodiaea coronaria subsp. coronaria R. C. Wilson 1933-6-27 56 Modoc Tom's Creek Modoc National Forest, Canby Quad. 1463 Comment
  UCD60274  Bromus L. Whitney 1935-7-1 s.n. Modoc Spauldings Butte. Comment
  RSA180226  Bromus briziformis Clare B. Hardham 1961-6-18 7520 Modoc Cedar Pass. 1829 Comment
  SEINET3921589  Bromus briziformis Margaret J. Williams, Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -1 Modoc Jess Valley, E of Likely, S of roadside rest.; 0 Comment
  CAS-BOT-BC242426  Bromus carinatus var. carinatus Leland S. Smith 1924-5-26 s.n. Modoc Pit River, near Ranger Station. 1371 Comment
  CAS-BOT-BC242427  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1990-7-21 5592 Modoc Parker Creek Road, ca. 1.6 km E of Modoc National Forest boundary, W side of Warner Mts. 1650 Comment
  JEPS69182  Bromus carinatus var. carinatus Leland S. Smith 1917-7-10 104 Modoc Modoc National Forest, Granger Mill Granger Mill; Modoc National Forest, Granger Mill 1889 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
  UC1037134  Bromus carinatus var. carinatus Leo Whitney 1935-6-8 3193 Modoc 2 mi ne of Hole-in-the-rock (18 mi wnw of Canby) Comment
  UC1037151  Bromus carinatus var. carinatus Leo Whitney 1935-7-6 3413 Modoc Pit River near Lookout Pit River Comment
  UCD58469  Bromus commutatus Beecher Crampton 1954-7-6 2088 Modoc Along U. S. Hwy. 395. 4 miles north of Likely. Comment
  CAS-BOT-BC242472  Bromus hordeaceus Bruce Bartholomew 1990-6-18 5373 Modoc 5.5 km N of Hwy 299 on Crowder Flat Rd. 1450 Comment
  CAS-BOT-BC242462  Bromus japonicus Bruce Bartholomew; Barrett Anderson 1988-6-23 4219 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CDA13447  Bromus japonicus G. F. Hrusa, T. D. Wilfred 1996-7-21 13294 Modoc Modoc Plateau; Occasional annual in disturbed areas about the Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UCD58866  Bromus japonicus L. D. Whitney 1935-8-3 s.n. Modoc Buck Creek. North Warner Mts. Comment
  UC1025047  Bromus japonicus Leo Whitney 1935-8-10 3612 Modoc Pit River, Alturas Alturas; Pit River, Alturas Comment
  HSC9255  Bromus orcuttianus M. T. Milligan 1966-7-29 605 Modoc West slope of Eagle Peak 1921 Comment
  UC1037141  Bromus orcuttianus Leo Whitney 1935-7-1 3340 Modoc 15 mi nw of Canby (near Hackamore, Modoc National Forest, Spaulding's Butte); Modoc National Forest, Spaulding's Butte 1463 Comment
  CAS-BOT-BC242452  Bromus tectorum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 157 Modoc Parker Creek. Comment
  CAS-BOT-BC242458  Bromus tectorum Bruce Bartholomew; Barrett Anderson 1990-7-19 5428 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  JEPS52603  Calandrinia ciliata Milo S. Baker 1893-7-1 Modoc shore Egg Lake 1371 Comment
  CAS-BOT-BC95094  Callitriche palustris Roxana Stinchfield Ferris; R. Duthie 1919-6-14 168 Modoc Along Parker Creek near Modoc Nat. Forest Boundary. Comment
  CHSC96338  Calocedrus decurrens Richard R. Halse 2006-8-4 6999 Modoc Along Highgrade Road ca. 4.4 miles north of Fort Bidwell, north end of the Warner Mountains, east slope. 1765 Comment
  JEPS39845  Calocedrus decurrens L. S. Smith Sept. 1919 1059 Modoc along road e of Alturas; Parker Creek 1828 Comment
  SEINET3863159 Image available Calocedrus decurrens Richard R. Halse 2006-8-4 6999 Modoc Along Highgrade Roade ca 4.4 mi N. of Fort Bidwell, north end of the Warner Mountains, east slope.; 0 1765 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
  RSA17450  Calochortus leichtlinii Elmer I. Applegate 1932-8-1 8042 Modoc Arid summit of Warner Mountains near and south of Warren Peak 2439 Comment
  CHSC40544  Calochortus longebarbatus J. D. Jokerst 1983-7-12 1836 Modoc South of and adjacent to the junction of Hwy 139 and the Loveness Rd. 1478 Comment
Read comments
Aug 4 2018
  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
  UC1134493  Calochortus macrocarpus R. C. Wilson 1933-7-18 68 Modoc s slope Barber Ridge; Modoc National Forest, Canby Quad. 1463 Comment
  CAS-BOT-BC218350  Caltha leptosepala Leland S. Smith 1918-6-23 956 Modoc Near Big Four Mine, High Grade District, Mineral Spring. 2377 Comment
  UC748207  Caltha leptosepala Annie M. Alexander and Louise Kellogg 1946-6-26 4829 Modoc Dismal Swamp, north end of Warner Mountains. 2255 Comment
  CAS-BOT-BC15051  Calycadenia fremontii Milo Samuel Baker 1899-8-16 s.n. Modoc Little Hot Spring Valley. Comment
  CHSC99968  Calycadenia fremontii Lowell Ahart; John Dittes 2008-8-26 15331 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
  CAS-BOT-BC197580  Calyptridium umbellatum Bruce Bartholomew; Barrett Anderson 1988-6-24 4340 Modoc Cave Lake, W side of the Warner Mts.. 2130 Comment
  HSC17642  Calyptridium umbellatum M. T. Milligan 1964-7-25 167 Modoc Pine Creek Basin, along trail. 2439 Comment
  UC1004347  Camassia quamash subsp. breviflora Leo Whitney 1934-5-13 Modoc Weed Valley, northern Modoc County Weed Valley 1524 Comment
  UC1037228  Camassia quamash subsp. breviflora Leo Whitney 1934-5-13 1742 Modoc ene of Clear Lake (Weed Valley in northern part of county); Weed Valley 1524 Comment
  UC421789  Camassia quamash subsp. breviflora Franklin P. Nutting Modoc Forestdale Comment
  RSA17455  Camassia quamash subsp. breviflora Elmer I. Applegate 1929-6-24 5897 Modoc Davis Creek, east side of Goose Lake Valley Comment
  JEPS61553  Camassia quamash subsp. quamash Milo S. Baker Jun 21 1893-Jul 21 1893 Modoc Modoc County Comment
  CAS-BOT-BC191124  Camissonia andina R. K. Gierisch; D. H. Esplin 1969-7-15 3543 Modoc Modoc County 1524 Comment
  CAS-BOT-BC191127  Camissonia andina Alice Eastwood; John Thomas Howell 1940-6-13 8118 Modoc Surprise. Comment
  CAS-BOT-BC191129  Camissonia andina Fred D. Douthitt 1916-5-11 16 Modoc Juniper Flats near West Valley. 1524 Comment
  CAS-BOT-BC191115  Camissonia claviformis subsp. cruciformis Bruce Bartholomew 1991-6-22 5852 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  NY851345  Camissonia contorta B. M. Bartholomew 1995-5-13 6912 Modoc 2.7 km northeast of County Road 38 on County Road 37, east side of the south end of Surprize Valley 1410 Comment
  RSA113690  Camissonia tanacetifolia subsp. tanacetifolia H. K. Sharsmith 1955-6-26 4508 -B Modoc Adjacent to Hwy 39, ca 20 miles N of Canby. Modoc National Forest. 1524 Comment
  RSA181791  Camissonia tanacetifolia subsp. tanacetifolia H. N. Metcalf, Jack C. Wilson 1965-7-1 65 -20 Modoc Davis Creek. Comment
  UC10295  Capsella bursa-pastoris Milo S. Baker 1893-6-22 Modoc Comment
  NY119873  Cardamine breweri A. J. Cronquist 1959-6-19 8500 Modoc Along Mill Creek, just above Clear Lake; Warner Mtns., 15 miles E of Likely 1828.8 Comment
  CAS-BOT-BC58426  Cardamine breweri var. breweri Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10527 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC58427  Cardamine breweri var. breweri Louis Cutter Wheeler 1935-8-16 3864 Modoc Dismal Swamp, Warner Mts. 2225 Comment
  CAS-BOT-BC58428  Cardamine breweri var. breweri Alice Eastwood; John Thomas Howell 1940-6-13 8166 Modoc Cedarville. Comment
  CAS-BOT-BC58430  Cardamine breweri var. breweri Roxana Stinchfield Ferris; R. Duthie 1919-6-13 46 Modoc Parker Creek near Modoc National Forest Boundary. Comment
  CAS-BOT-BC242331  Carex abrupta Bruce Bartholomew; Barrett Anderson 1988-7-23 4575 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  HSC7044  Carex aquatilis M. T. Milligan 1966-7-3 542 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC242370  Carex athrostachya John Thomas Howell 1934-6-12 12030 Modoc Plum Valley. Comment
  RSA92358  Carex aurea Beecher Crampton 1954-7-6 2099 Modoc Edge of flowing water of Shields Creek, Warner Mountains, 20 miles east of Alturas. 1524 Comment
  CAS-BOT-BC245192  Carex densa Mrs. H. C. Cantelow 1941-5-23 3635 Modoc Hwy 299, 7.5 mi. W of Adin Pass Summit. Comment
  CAS-BOT-BC245189  Carex douglasii John Thomas Howell 1934-6-30 12280 Modoc Duncan Horse Camp. 1355 Comment
  UC1036067  Carex heteroneura Annie M. Alexander and Louise Kellogg 1946-7-19 5030 Modoc Benton Meadow, Warner Mountains Comment
  CAS-BOT-BC245186  Carex hoodii Bruce Bartholomew; Barrett Anderson 1988-6-24 4359 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  UC1036068  Carex hoodii Annie M. Alexander and Louise Kellogg 1946-7-19 5031 Modoc Benton Meadow Warner Mountains 2072 Comment
  CAS-BOT-BC242360  Carex jonesii Louis Cutter Wheeler 1935-8-16 3877 A Modoc Dismal Swamp. 2225 Comment
  RSA0037177  Carex lanuginosa Lowell A. Ahart, John Dittes 2012-7-12 18368 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC109477  Carex luzulina L. P. Janeway; B. Castro 2012-7-27 11021 Modoc Warner Mountains. North-sloping meadow opening just above Mineral spring, 0.5 air km east of Yellow Mountain. 2361 Comment
  CAS-BOT-BC245183  Carex microptera Annie Montague Alexander; L. Kellogg 1946-7-17 5007 Modoc Benton Meadow. 2072 Comment
  CHSC30637  Carex microptera NEH Prouty 1980-7-1 192 Modoc Modoc Nat. Forest. Along drainage running south from Bear Flat Pond into Soup Creek. 1798 Comment
  HSC75588  Carex microptera G. M. Riegel 1979-8-11 646 Modoc S Warner Mtns. 1670 Comment
  JEPS86370  Carex microptera Jack and Betty Guggolz 1988-6-28 960 Modoc w Jenkins Spring Comment
  CAS-BOT-BC245176  Carex multicaulis Bruce Bartholomew; Barrett Anderson 1989-4-27 4608 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC245179  Carex multicaulis Bruce Bartholomew 1993-6-12 6593 Modoc Top of ridge directly above Day Rock. 1380 Comment
  CAS-BOT-BC245164  Carex nebrascensis R. L. Ward 1976-5-18 s.n. Modoc Pine Spring. 1508 Comment
  CAS-BOT-BC245166  Carex nebrascensis Bruce Bartholomew 1989-8-11 5076 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC245167  Carex nebrascensis Thomas C. Fuller 1964-10-8 12702 Modoc W side of Hwy 395 at S limits of Likely. Comment
  CAS-BOT-BC245169  Carex nebrascensis B. Anderson 1986-7-9 3183 Modoc Warner Mountains; Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir 1965 Comment
  CAS-BOT-BC245173  Carex nebrascensis Bruce Bartholomew; Barrett Anderson 1988-7-23 4588 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  UC1024314  Carex nebrascensis Annie M. Alexander and Louise Kellogg 1946-6-12 4731 Modoc Fort Bidwell 1444 Comment
  RSA364669  Carex nebrascensis A. M. Alexander, Louise Kellogg 1946-7-7 4928 Modoc Eight Mile Creek. Comment
  CAS-BOT-BC245159  Carex pachystachya Roxana Stinchfield Ferris; R. Duthie 1919-6-15 150 Modoc Parker Creek near Modoc Nat. For. Boundary. Comment
  CHSC110984  Carex pellita Lowell Ahart 2012-7-12 18368 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Biebder, Big Valley. 1266 Comment
  RSA210783  Carex pellita Robert F. Thorne, C. W. Tilforth 1969-9-4 39048 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 Comment
  CAS-BOT-BC245156  Carex praegracilis Herbert Louis Mason; Verne Grant 1947-8-13 13535 Modoc N side of F Reservoir, N of Canby. Comment
  CHSC108008  Carex praegracilis Lowell Ahart; John Dittes 2011-6-21 17511 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
  RSA59876  Carex praegracilis E. K. Balls 1950-5-10 14603 Modoc Below Menlo Baths, west shore Lower Alkali Lake. 1402 Comment
Read comments
Nov 5 2008
  CAS-BOT-BC245153  Carex praegracilis Herbert Louis Mason; Verne Grant 1947-7-12 13439 Modoc Corporation Ranch Headquarters, N of Likely. Comment
  JEPS109538  Carex scopulorum var. bracteosa Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10458 Modoc Warner Mountains, northeast face Eagle Peak 2880 Comment
  CHSC100426  Carex sheldonii Lowell Ahart; John Dittes 2008-8-25 15292 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CHSC109638  Carex sheldonii Lowell Ahart; John Dittes 2012-7-10 18306 Modoc Along a deep drainage, northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC47604  Carex subfusca D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19459 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  RSA233773  Carex subfusca Robert F. Thorne, C. W. Tilforth 1969-9-5 39145 Modoc Margin of small slough along South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 miles E of Likely. 1402 Comment
  SEINET13722822  Carex subnigricans N. Otting, D. Lytjen 2004-9-1 959 Modoc South Warner Mountains, slopes east of Patterson Lake, 18 air miles southeast of Alturas. 2751 Comment
  RSA577570  Carex utriculata L. C. Wheeler 1935-8-16 3872 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer 2226 Comment
  UC190414  Carex vesicaria M. S. Baker and Frank Nutting 1894-6-13 Modoc near Egg Lake Comment
  CAS-BOT-BC226000  Castilleja applegatei subsp. pinetorum Margaret J. Williams 1984-6-28 84- 69 -2 Modoc Warner Mountains, N of Cedar Pass, end of Soldier Creek road. 2072 Comment
  CAS-BOT-BC229821  Castilleja applegatei subsp. pinetorum Francis Whittier Pennell 1940-6-8 25735 Modoc Route 299, 8 mi. W of Canby. 1463 Comment
  HSC20502  Castilleja applegatei subsp. pinetorum M. T. Milligan 1965-6-30 381 Modoc E of Jess Valley. 1707 Comment
  JEPS17634  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5400 Modoc 3.0 mi e Patterson Ranger Station (s Warner Range); Warner Range, Modoc National Forest 2194 Comment
  JEPS3853  Castilleja applegatei subsp. pinetorum N. T. Mirov 1929-6-23 Modoc e of Goose Lake (on Fandango Valley road, Buck Creek Ranger Station); Warner Mountains 1569 Comment
  JEPS66445  Castilleja applegatei subsp. pinetorum L. R. Heckard and P. Rubtzoff 1971-8-3 2706 Modoc 3.5 mi n Cedarville Pass (near summit of Old Canyon Mill road); Warner Mts. 1981 Comment
  UC1585988  Castilleja applegatei subsp. pinetorum Barbara Ertter 1988-6-18 7644 Modoc n of Adin (on Hwy 299); Adin Summit 1584 Comment
  UC26532  Castilleja applegatei subsp. pinetorum M. S. Baker and Frank Nutting 1894-6-24 Modoc near Forestdale Comment
  UCSB19309  Castilleja applegatei subsp. pinetorum Haller, John 1962-6-7 Modoc Little Meadows campground, South Fork of the Pit River, 8 miles east of Likely, 1.5 miles west of the western end of Jess Valley, Warner Mountains 1524 Comment
  CAS-BOT-BC226011  Castilleja arachnoidea Bruce Bartholomew; Barrett Anderson 1988-7-22 4522 Modoc S end of Bearcamp Flat, southern end of Warner Mts.. 2230 Comment
  JEPS28991  Castilleja arachnoidea Frances D. Payne 1929-7-26 126 Modoc near top of Mt. Warren; Warner Range, Mt. Warren 2947 Comment
  SJSU9674  Castilleja campestris W. Savage 1979-7-10 1522 Modoc Bowles Meadow Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC226022  Castilleja lacera Elmer Ivan Applegate 1929-6-24 5893 Modoc Between Alturas and Davis Creek. Comment
  CAS-BOT-BC226028  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1989-6-3 4911 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CHSC71889  Castilleja lacera Vernon H. Oswald; Lowell Ahart 1998-9-8 9594 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  JEPS76161  Castilleja lacera T. I. Chuang with Fei-Mei Chuang 1977-7-26 7662 Modoc 2.2 mi n Adin (at junction of Highway 299 and road to Rush Creek Campground) 1371 Comment
  JEPS36815  Castilleja linariifolia Charles F. Quibell 1964-7-1 Modoc 2.5 mi e Alturas (along U.S. Hwy 395) Comment
  RSA104155  Castilleja linariifolia Elmer I. Applegate 1929-7-28 6082 Modoc North of Clear Lake. Comment
  CAS-BOT-BC226053  Castilleja pilosa Christopher Davidson 1975-6-4 2628 Modoc Canby Bridge across Pit River, ca. 4 mi. S of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC226054  Castilleja pilosa Elmer Ivan Applegate 1932-7-9 7602 Modoc N slope of Bidwell Mountain. Comment
  CAS-BOT-BC226056  Castilleja pilosa Elmer Ivan Applegate 1932-8-1 8031 Modoc High summit of Warner Mountains S of Warren Peak. Comment
  CAS-BOT-BC226057  Castilleja pilosa Annie Montague Alexander; L. Kellogg 1946-6-14 4751 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  CAS-BOT-BC226064  Castilleja pilosa Elmer Ivan Applegate 1932-8-5 s.n. Modoc Arid S slope of Cedar Mountain, Cedar Pass. Comment
  CHSC117770  Castilleja pilosa L. P. Janeway 2016-5-18 12056 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; along southwest side of Goose Lake about 1.0 air--km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  UC748158  Castilleja pilosa Annie M. Alexander and Louise Kellogg 1946-6-14 4751 Modoc Silver Creek branch of Patterson Mill road 1828 Comment
  CAS-BOT-BC226067  Castilleja pruinosa Bruce Bartholomew 1990-6-15 5222 Modoc W side of Deer Spring Ridge in vicinity of Reid Draw, ca. 1 km N of the Lasson Co. border. 1540 Comment
  UCSB19310  Castilleja pruinosa Haller, John 1962-6-7 Modoc Little Meadows campground, South Fork of the Pit River, 8 miles east of Likely, 1.5 miles west of the western end of Jess Valley Warner Mountains 1524 Comment
  CAS-BOT-BC226069  Castilleja tenuis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10555 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains. 2164 Comment
  CAS-BOT-BC226073  Castilleja tenuis Annie Montague Alexander; L. Kellogg 1946-6-14 4769 Modoc Below lava slope, Silver Creek branch of Patterson Mill road. 1828 Comment
  CAS-BOT-BC226076  Castilleja tenuis K. Paulson; Robert Paulson 1989-6-14 136 Modoc Junction of Hwy 299 and Hwy 395 at turn off to Cedar Pass. 1371 Comment
  CAS-BOT-BC226077  Castilleja tenuis Francis Dorris Payne 1931-6-12 158 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC226083  Castilleja tenuis Bruce Bartholomew; Barrett Anderson 1989-6-1 4762 Modoc S end of Goose Lake. 1460 Comment
  CAS-BOT-BC226084  Castilleja tenuis Bruce Bartholomew; Barrett Anderson 1988-7-22 4513 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CHSC109522  Castilleja tenuis L. P. Janeway; B. Castro 2012-7-25 10984 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  HSC75904  Castilleja tenuis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19434 Modoc Near Hager Reservoir Comment
  JEPS120511  Castilleja tenuis L. P. Janeway, B. Castro 2012-7-25 10984 Modoc Warner Mountains. Comment
  UC748084  Castilleja tenuis Annie M. Alexander and Louise Kellogg 1946-7-7 4929 Modoc Eight Mile Creek; ne corner of Modoc County 1752 Comment
  UC1281476  Ceanothus X flexilis H. E. McMinn 1941-8-27 5405 Modoc Egg lake 12-13 mi from Lookout, Egg Lake; Egg Lake Comment
  CAS-BOT-BC48468  Ceanothus cuneatus John H. Hatton 1911-6-16 96 Modoc Stone Coal Road 1371 Comment
  UC18346  Ceanothus integerrimus Milo S. Baker 1893-7-8 Modoc Comment
  CAS-BOT-BC217103  Ceanothus prostratus A. D. Borden 1911-5-20 s.n. Modoc W slope Sugar Hill. Comment
  CAS-BOT-BC217106  Ceanothus prostratus L. A. M. Black 1894-1-1 93 Modoc Davis Creek. Comment
  CAS-BOT-BC217109  Ceanothus prostratus Belknap C. Goldsmith 1911-5-20 21 Modoc Sugar Hill. 1524 Comment
  CAS-BOT-BC217145  Ceanothus prostratus Milo Samuel Baker 1893-1-1 s.n. Modoc Forest Dale Comment
  CAS-BOT-BC217150  Ceanothus prostratus James Vale; Keith Wagnon; Walter Knight; Irja Knight 1981-5-23 4132 Modoc White Horse Road near Egg Lake. Comment
  HSC27255  Ceanothus prostratus J. P. Smith, J. O. Sawyer 1972-5-6 5281 Modoc 2.8 mi. from jct. with Hwy. 395 on rd. between Davis Creek and Fandango Valley 1524 Comment
  RSA59845  Ceanothus prostratus E. K. Balls 1950-5-15 14696 Modoc 8.5 miles NW Canby Hwy 139 to Klamath Falls. 1402 Comment
  UC18452  Ceanothus velutinus Mrs. R. M. Austin and Bruce June 1898 2335 Modoc Mts. Gooselake Comment
  UCD130120  Centaurea virgata subsp. squarrosa T. C. Fuller 1962-8-29 9487 Modoc road to Adin, 0.2 mile east of Lookout, Big Valley. Comment
  UC1101323  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-7-20 8097 Modoc North Fork of Pit River by Dorris Bridge (Alturas); North Fork of Pit River Comment
  JEPS45550  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-7-23 Modoc Forestdale Comment
  RSA613685  Cercocarpus ledifolius Louis C. Wheeler 1935-9-23 4006 Modoc Pease Flat, Devil's Garden. 1524 Comment
  SEINET191906  Cercocarpus ledifolius C. L. Hitchcock 1940-5-27 6689 Modoc On sagebrush knoll; 15 miles northeast of Alturas 1615 Comment
  CAS-BOT-BC197531  Cercocarpus ledifolius var. ledifolius Bruce Bartholomew; Mona Bourell 1990-4-27 5170 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  SEINET3146201  Chaenactis douglasii L. S. Rose 1940-6-13 40546 Modoc Surprise, NE of Alturas 1372 Comment
  CAS-BOT-BC15063  Chaenactis douglasii var. douglasii John Thomas Howell 1934-7-1 12311 Modoc Duncan Horse Camp. 1355 Comment
  POM139984  Chamaebatiaria millefolium M. H Manning s.n. Modoc NW Modoc County Comment
  UCR163905  Chamaesaracha nana Jim Andre 1993-6-30 1400 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  UC1035971  Chamaesaracha nana Helen K. Sharsmith 1955-6-26 4509 Modoc ca 20 mi n Canby (adjacent to Highway 39); Modoc National Forest 1524 Comment
  RSA210820  Chamaesyce serpillifolia R. F. Thorne, J. Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39082 Modoc E. shore of Goose Lake at Willow Ranch. 1433 Comment
  RSA767683  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart, John Dittes 2010-8-30 17054 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  SEINET9443176  Chamaesyce serpyllifolia M. J. Williams 1985-1 85- 66 -2 Modoc Big Sage Reservoir NW of Alturas. 1524 Comment
  CHSC99251  Chenopodium Lowell Ahart; John Dittes 2008-6-21 15010 Modoc Along a large levee, mountain meadow, 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
  CHSC117147  Chenopodium album Lowell Ahart; John Dittes 2016-7-14 21168 Modoc West side of new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of Cdounty Road 87, 1/73 miles (air) west of Adin, Big Valley. 1273 Comment
  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-BC95517  Chenopodium berlandieri Bruce Bartholomew; Barrett Anderson 1990-7-21 5554 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CAS-BOT-BC95518  Chenopodium berlandieri Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10613 Modoc Summit of Fandango Pass on road between Fort Bidwell and Pine Creek. 1889 Comment
  RSA210831  Chenopodium chenopodioides R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39079 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  CHSC106201  Chenopodium desiccatum Lowell Ahart; John Dittes 2010-8-31 17111 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
Read comments
Jul 20 2019
  SJSU9628  Chenopodium fremontii W. Savage 1979-7-7 1446 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1499 Comment
  SFV7751  Chenopodium leptophyllum T. Gordon, K. Kimbrough 1975-8-15 1217 Modoc Just east of the entrance to Lava Beds National Monument. 1280 Comment
  SJSU9593  Chenopodium leptophyllum W. Savage 1979-7-5 1359 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS59758  Chenopodium pumilio Frances D. Payne 1935-7-19 789 Modoc Dry Creek Warner Mountains (mouth (tributary of Parker Creek), s and e of Alturas) Comment
  UC73568  Chimaphila umbellata Milo S. Baker Aug. 1898 534 Modoc Forestdale Comment
  UC71818  Chimaphila umbellata Mrs. M. H. Manning 1903-9-2 372 Modoc n.e. Modoc Co., John Henry Hill Comment
  UCD170118  Chorispora tenella R. Breckenridge; K. Filippini 2005-6-20 s.n. Modoc Likely, Lynetta Farms, Jones Lane. Comment
  POM57302  Chrysanthemum segetum M. S. Baker s.n. Modoc [Unspecified] Comment
  CAS-BOT-BC15003  Chrysothamnus nauseosus subsp. albicaulis Louis Cutter Wheeler 1935-9-10 3967 Modoc McGinty Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC15036  Chrysothamnus nauseosus subsp. consimilis Elmer Ivan Applegate 1932-8-6 8198 Modoc E side of Middle Lake, Surprise Valley. Comment
  CDA34730  Chrysothamnus nauseosus subsp. consimilis L. Ahart, John Dittes 2010-8-3 17052 Modoc About 3 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  SEINET10722475  Chrysothamnus nauseosus subsp. consimilis Karen M. Meyer, Andrew Townesmith 2007-9-16 Meyer 212 Modoc Modoc National Forest, going E on Hwy 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  CAS-BOT-BC14985  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1936-9-22 11058 Modoc Fleeners Chimneys, Lava Beds National Monument. Comment
  CAS-BOT-BC14986  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1935-6-5 9322 Modoc Captain Jack's Stronghold, Lava Beds National Monument. Comment
  CAS-BOT-BC14987  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1936-9-23 11076 Modoc South base of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC14988  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1936-9-22 11058 Modoc Fleeners Chimneys, Lava Beds National Monument. Comment
  CAS-BOT-BC14991  Chrysothamnus viscidiflorus subsp. viscidiflorus Loran C. Anderson 1958-8-23 1611 Modoc 1 mi. E of Cedarville, beside highway and around Middle Lake 1424 Comment
  JEPS21427  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1918-8-7 7874 Modoc Mt. Bidwell 2468 Comment
  SBBG128255  Chrysothamnus viscidiflorus subsp. viscidiflorus L. Ahart, J. Dittes 2010-8-30 17061 Modoc near the homestead, ca. 100 yards E of the fence, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1267 Comment
  CDA38297  Cicuta douglasii T. C. Fuller 1959-10-15 3130 Modoc Pine Creek at Highway 395. 0 Comment
  CDA38302  Cicuta douglasii T. C. Fuller 1959-7-8 s.n. Modoc 3.4 miles east of Tulelake. 0 Comment
  RSA504850  Circaea alpina subsp. pacifica Bruce Bartholomew, B. Anderson 1988-7-21 4439 Modoc Above Upper Rush Creek Campground ca. 4 km. E of State Highway 299 between Adin and Canby. 1580 Comment
  CHSC100427  Cirsium arvense Lowell Ahart; John Dittes 2008-8-25 15286 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
  CHSC116346  Cirsium arvense CDFA Staff 1976-7-28 Modoc Tule Lake. Comment
  CAS-BOT-BC14965  Cirsium cymosum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16379 Modoc Junction of Cedar Pass Road & CA State Hwy. 299, 5.5 mi. N of Alturas Comment
  CAS-BOT-BC14967  Cirsium cymosum Bruce Bartholomew; Barrett Anderson 1988-6-25 4379 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC14968  Cirsium cymosum Bruce Bartholomew; Barrett Anderson 1988-6-25 4379 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CDA1165  Cirsium cymosum T. C. Fuller 1959-7-8 2761 Modoc Hwy 299; 8 mi. west of Alturas. 0 Comment
  CDA36038  Cirsium cymosum CDFA Staff Jul 1985 Modoc Alturas. 0 Comment
  UC748326  Cirsium cymosum var. cymosum Annie M. Alexander and Louise Kellogg 1946-6-14 4766 Modoc Silver Creek branch of Patterson Mill Rd 1828 Comment
  RSA608377  Cirsium douglasii var. breweri L. C. Wheeler 1935-9-10 3966 Modoc 1 mile S McGinty Reservoir, Devil's Garden 1463 Comment
  HSC31108  Cirsium occidentale var. candidissimum R. F. Thorne, C. W. Tilforth 1969-9-5 39183 Modoc 3.3 mi. N of Likely 1357 Comment
  HSC81012  Cirsium occidentale var. candidissimum G. M. Riegel 1980-7-15 908 Modoc South Warner Mtns. 2100 Comment
  RSA0070699  Cirsium occidentale var. candidissimum R. F. Thorne, C. W. Tilforth 1969-9-5 39183 Modoc 3.3 miles N of Likely. 1357 Comment
  UC711943  Cirsium occidentale var. candidissimum Roxana S. Ferris and Laura Lorraine 1941-8-12 10511 Modoc just below e slope of summit of Cedar Pass (Cedarville-Alturas Road); Warner Mountains, Cedar Pass 1828 Comment
  CDA15028  Cirsium ochrocentrum var. ochrocentrum B. Villegas, Len Smith 1998-8-19 s.n. Modoc Modoc Plateau; Alturas at intersection of Pencil & Woodchuck Rds. Comment
  CAS-BOT-BC228711  Cistanthe umbellata John Thomas Howell 1934-6-14 12152 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  LA106634  Clarkia gracilis subsp. albicaulis Frances D. Payne; 1929-6-13 6 Modoc Warner Mountains, Parker Creek, S and E of Alturas 1584 Comment
  OBI53989  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Ag Inspection Statio, 1 mi S of S jctn to Lava Beds Natl Monument E of Tonesta 1311 Comment
  UCSB17311  Clarkia lassenensis Haller, John 1961-6-24 Modoc near California State Highway 139; 25 mi SE of Tulelake; 27.7 mi NW of Canby 1280 Comment
  HSC75593  Clarkia rhomboidea G. M. Riegel 1980-7-22 921 Modoc S Warner Mtns. 1670 Comment
  HSC80902  Clarkia rhomboidea G. M. Riegel 1980-8-28 1121 Modoc S Warner Mtns. 2100 Comment
  UC634666  Clarkia rhomboidea F. H. Frost 1925-7-11 12 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  SEINET10819638  Clarkia rhomboidea Nancy R. Morin 1978-7-6 Morin 261 Modoc Warner Mts. Campground ca 1/2 mile W of Cedar Pass, Cedar Mtn.; ca 6000 feet. Dry gravelly slopes. 1830 Comment
  RSA0059503  Claytonia lanceolata var. sessilifolia C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles NE of Alturas. 1982 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
  JEPS43325  Claytonia parviflora subsp. parviflora Mary H. Manning before Aug. 1918 Modoc Comment
  CAS-BOT-BC197475  Claytonia rubra subsp. rubra Edward Kent Balls 1950-5-12 14640 Modoc Above Buck Creek Ranger Station. 1767 Comment
  CAS-BOT-BC226086  Collinsia parviflora Roxana Stinchfield Ferris; R. Duthie 1919-6-13 28 Modoc Along Parker Creek at Modoc Nat Forest Boundary. Comment
  CAS-BOT-BC226087  Collinsia parviflora John Thomas Howell 1934-6-13 12055 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC226092  Collinsia parviflora Milo Samuel Baker; Franklin P. Nutting 1894-6-4 s.n. Modoc Little Hot Spring Valley. Comment
  CAS-BOT-BC226098  Collinsia parviflora Bruce Bartholomew 1990-6-15 5227 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  CAS-BOT-BC229855  Collinsia parviflora Betty J. Hammerly 1941-6-20 38 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC229865  Collinsia parviflora Bruce Bartholomew; Barrett Anderson 1988-5-12 4094 Modoc White Horse. 1340 Comment
  RSA0117237  Collinsia parviflora F. W. Peirson 1926-6-25 6891 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  RSA531341  Collinsia parviflora Bruce Bartholomew, M. Bourell 1990-4-26 5158 Modoc 0.5 km S of Day. 1100 Comment
  UC76207  Collinsia parviflora Milo S. Baker 1896-5-23 73 Modoc Big Valley, Johnson's Big Valley; , Johnson's Comment
  CAS-BOT-BC229875  Collinsia torreyi Bruce Bartholomew 1995-6-22 6977 Modoc Between Day and Lookout, 7.4 km W of Day on County Road 94 along Widdow Valley Creek. 1350 Comment
  JEPS17635  Collinsia torreyi var. wrightii Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5399 Modoc 3.3 mi e Patterson Ranger Station (flat at summit of forest rd across s end of Warner Range); Warner Mtns 2225 Comment
  CAS-BOT-BC190732  Collomia grandiflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16437 Modoc 4 mi. E of summit of Cedar Pass along Cedar Pass road. Comment
  CAS-BOT-BC190738  Collomia grandiflora Bruce Bartholomew; Barrett Anderson 1988-7-21 4416 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  SBBG103157  Collomia grandiflora D. H. Wilken with D. M. Smith 1971-7-2 10115 Modoc Adin Pass along St Hwy 299 1576 Comment
  UC71714  Collomia grandiflora Mrs. M. H. Manning 1903-10-11 35 Modoc ne Modoc County Warner Range 1828 Comment
  JEPS71054  Collomia linearis Frances D. Payne 1932-6-27 615 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS71055  Collomia linearis Frances D. Payne 1929-7-6 44 Modoc s and e Alturas (dry meadow); Warner Mountains, Parker Creek 1584 Comment
  SEINET13975533  Collomia linearis M. J. Williams 1984-6-30 84- 81 -4 Modoc 9.6 mi from Gerlach-Cedarville roa on the Parker Creek road, W side of the Warner Mtns., S. of Cedar Pass. 1829 Comment
  JEPS71065  Collomia tinctoria Milo S. Baker 1893-6-10 Modoc sw corner of county Forestdale Comment
  UC429103  Corallorhiza striata Franklin P. Nutting Modoc near Whitehorse Lake Comment
  JEPS66444  Cordylanthus capitatus L. R. Heckard and P. Rubtzoff 1971-8-3 2705 Modoc summit of Old Cannon Mill rd Warner Mts. (3.5 mi n of Cedarville) 1981 Comment
  SJSU9372  Cordylanthus ramosus W. Savage 1979-7-3 1273 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC21513  Cornus sericea subsp. sericea Mrs. R. M. Austin and Bruce June 1898 2350 Modoc Lake City Canyon Comment
  CAS-BOT-BC197570  Crataegus douglasii Francis Dorris Payne 1931-6-21 232 Modoc Gulch N of Parker Creek, Warner Mts. 1828 Comment
  CHSC100511  Crataegus douglasii Lowell Ahart; John Dittes 2008-8-25 15330 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber. 1271 Comment
  CHSC115523  Crataegus douglasii Lowell Ahart; John Dittes 2015-7-17 20369 Modoc On the south bank of Ash Creek, Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. 1279 Comment
  POM91896  Crataegus douglasii R. M. Austin 1895-07 427 Modoc Davis Creek Comment
  CAS-BOT-BC14905  Crepis acuminata R. M. Austin 1884-6-1 Modoc Near Willow Creek. Comment
  CAS-BOT-BC14907  Crepis acuminata Roxana Stinchfield Ferris; R. Duthie 1919-6-16 183 Modoc Rock hill slope above Parker Creek, Modoc National Forest Boundary. Comment
  CAS-BOT-BC14908  Crepis acuminata Bruce Bartholomew 1992-8-9 6387 Modoc Squaw Peak Trail between Patterson Lake and Owl Creek Trail, E side of Warner Mountains. 2440 Comment
  RSA95107  Crepis acuminata F. W. Peirson 1926-6-25 6872 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  CAS-BOT-BC14921  Crepis bakeri Bruce Bartholomew 1993-6-12 6589 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  UC565496  Crepis intermedia F. H. Frost 1925-7-24 Modoc Clear Lake Warner Mts. Comment
  CAS-BOT-BC14914  Crepis modocensis Alice Eastwood; John Thomas Howell 1940-6-12 8091 Modoc Jess Valley. Comment
  CAS-BOT-BC14886  Crepis modocensis subsp. subacaulis Bruce Bartholomew; Barrett Anderson 1988-5-14 4207 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 Comment
  CAS-BOT-BC14866  Crepis occidentalis Bruce Bartholomew 1991-8-5 6049 Modoc Summit Trail between Squaw Peak and Cottonwood Lake, crest of the Warner Mts. 2470 Comment
  CAS-BOT-BC14867  Crepis occidentalis Bruce Bartholomew 1992-5-16 6338 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CAS-BOT-BC14868  Crepis occidentalis Bruce Bartholomew 1992-8-9 6393 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mountains. 2470 Comment
  CHSC70465  Crepis occidentalis A. Sanger 1997-6-3 2481 Modoc Along Mowitz Rd, at Boles Cr. crossing. Upland above creek. 1463 Comment
  JEPS6011  Crepis occidentalis Frances D. Payne 1932-6-26 611 Modoc high ridges n Parker Creek (s and e of Alturas); Warner Mountains 1828 Comment
  SBBG30620  Crepis occidentalis D. Myrick 1968-6-20 1961 Modoc E edge of Alturas 1332 Comment
  CAS-BOT-BC14891  Crepis occidentalis subsp. conjuncta Annie Montague Alexander; L. Kellogg 1946-7-18 5016 Modoc Benton Meadow, Warner Mountains 2072 Comment
  SEINET2142062 Image available Crepis occidentalis subsp. conjuncta Annie M. Alexander, Kellogg, Louise 1946-7-18 5016 Modoc Near Benton Meadow, Warner Mountains 2070 Comment
  POM75457  Cressa truxillensis Mrs. R. M. Austin 1898-07 2192 Modoc Lake shore Comment
  CAS-BOT-BC14833  Crocidium multicaule Bruce Bartholomew; Mona Bourell 1990-4-26 5161 Modoc N end of Big Valley, 4.7 km N of Lookout on County Rte 90. 1270 Comment
  JEPS22547  Crocidium multicaule L. S. Smith 1919-3-20 1077 Modoc w of Alturas Comment
  UC1278995  Crocidium multicaule Arthur Cronquist 1963-5-14 9855 Modoc 9 mi from Alturas (on gentle slope leading up to the w base of the Warner Mts. near Cedar Pass, between Cedarville and Alturas) 1493 Comment
  CHSC77192  Crupina vulgaris G. Schoolcraft 1993-6-17 Modoc Ne of Adin on s. side of Hunter Ridge. 1645 Comment
  SJSU9644  Crypsis alopecuroides W. Savage 1979-7-8 1473 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA0049592  Crypsis vaginiflora Dean Wm. Taylor 2013-9-6 21416 Modoc 1 mile South of Whalen Spring (ca. 15 air miles N of Bieber on Highway 299) 1328 Comment
  CAS-BOT-BC54129  Cryptantha affinis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10529 Modoc Patterson Ranger Station (East Creek drainage), Warner Mountains 2164 Comment
  UC1202932  Cryptantha celosioides L. S. Smith 1114 Modoc Deep Creek, above station Modoc Forest 1584 Comment
  CAS-BOT-BC54110  Cryptantha intermedia C. C. (Mrs.) Bruce 1893-6-1 84 Modoc Davis Creek. Comment
  CAS-BOT-BC54145  Cryptantha intermedia David Daniels Keck; Jens Chr. Clausen 1935-6-24 3719 Modoc 9 mi. S of Pine Creek, E side of Goose Lake, 0.5 mi N of Buck's Ranger Station. 1524 Comment
  CAS-BOT-BC54147  Cryptantha intermedia E. S. Willits 1940-5-17 260 Modoc Willow Ranch. Comment
  SJSU9549  Cryptantha intermedia W. Savage 1979-7-3 1283 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC54148  Cryptantha intermedia Mrs. Annie F. Rodda 1932-7-1 s.n. Modoc between Alturas and Macarthur Comment
  HSC3624  Cryptantha simulans M. T. Milligan 1966-8-3 634 Modoc W slope of Eagle Peak Comment
  UC402820  Cryptantha simulans Milo S. Baker 1890-1 Modoc Forestdale Comment
  CAS-BOT-BC54122  Cryptantha torreyana John Thomas Howell 1934-6-13 12044 Modoc Fandango Pass, Warner Mountains 1828 Comment
  HSC75579  Cryptantha torreyana G. M. Riegel 1979-7-3 472 Modoc S Warner Mtns. 2100 Comment
  UC24732  Cryptantha torreyana Milo S. Baker 1893-7-5 Modoc Comment
  CAS-BOT-BC54082  Cryptantha watsonii Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6007 Modoc East of Cedarville. 1249 Comment
  CAS-BOT-BC30161  Cupressus bakeri C. O. Stone 1963-12-26 278 Modoc 1.5 miles S of Gassaway Reservoir. 1097 Comment
  NY57978  Cupressus bakeri B. M. Bartholomew 1995-6-1 6914 Modoc Northwest edge of Little Hot Spring Valley, northwest of Day 1080 Comment
  UC1222086  Cupressus bakeri C. O. Stone 1963-12-26 278 Modoc approximately 1.5 mi s Gassaway Reservoir; Quadrangle 16C2 1097 Comment
  UC450147  Cuscuta subinclusa Milo S. Baker 1899-8-14 Modoc Little Hot Springs Valley Comment
  JEPS64385  Cypripedium montanum Milo S. Baker 1893-6-29 Modoc Comment
  CAS-BOT-BC30215  Cystopteris fragilis Clare Butterworth Hardham 1961-6-17 7521 Modoc Cedar Pass Camp Ground, Warner Mts.. Comment
  CAS-BOT-BC30217  Cystopteris fragilis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 78 Modoc Parker Creek, 2 mi. above Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC30218  Cystopteris fragilis Elmer Ivan Applegate 1932-8-2 8096 Modoc Mill Creek Meadows, west slope Warner Mts. Comment
  SBBG18746  Cystopteris fragilis C. B. Hardham 1961-6-19 7845 Modoc Willow Crk Comment
  UC1037349  Cystopteris fragilis Leo Whitney 1935-5-20 3097 Modoc ca. 15 mi nw Canby (Hackamore); Modoc Nat'l forest 1463 Comment
  UC1597990  Cystopteris fragilis Alan R. Smith with Christopher Richard, and C. Don MacNeill 1993-5-8 2547 Modoc e edge Lava Beds Nat'l Monument (ca. 100 meters e of Siskiyou Co line, breakdown trenches 35 meters s of spur rd to Fern Cave, 50-60 meters e of junction with Lyons Rd) 1249 Comment
  UC123017  Cystopteris fragilis Mrs. R. M. Austin June 1894 170 Modoc Emigrant Springs; Lava Beds Comment
  CAS-BOT-BC242496  Dactylis glomerata Bruce Bartholomew; Barrett Anderson 1988-7-22 4474 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  RSA504602  Damasonium californicum Bruce Bartholomew, B. Anderson 1988-6-23 4272 Modoc 4 km W of Day on County road 94. 1340 Comment
  UC1536802  Damasonium californicum Gordon H. True Jr. 1930-6-25 1014 Modoc Boles Meadow n.w. of Alturas Comment
  CAS-BOT-BC242493  Danthonia californica Leland S. Smith 1917-7-19 119 Modoc Joseph Creek. 1828 Comment
  JEPS68521  Danthonia californica L. S. Smith 1917-7-1 90 Modoc Deep Creek R.S. camp Warner Mts. 2133 Comment
  UC1256250  Danthonia californica Sherwood Stutz and Tex Scofield 1969-7-17 1 Modoc Vi. Poison Spr. Modoc National Forest 1676 Comment
  CAS-BOT-BC242488  Danthonia unispicata Bruce Bartholomew 1990-6-17 5346 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  UC1024675  Danthonia unispicata Leo Whitney 1934-5-18 2173 Modoc Timbered Mountain Modoc National Forest, Devil's Garden (ne portion of county) 1524 Comment
  CAS-BOT-BC214754  Dasiphora fruticosa Annie Montague Alexander; L. Kellogg 1946-8-9 5141 Modoc Patterson Lake Trail, Warner Mts. Comment
  CHSC100460  Deinandra lobbii Lowell Ahart; John Dittes 2008-8-25 15328 Modoc On the east side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1275 Comment
  UC585062  Delphinium andersonii E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1831 A Modoc steep n-facing talus slope about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  JEPS23328  Delphinium depauperatum Frances D. Payne 1932-5-27 403 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  NY487634  Delphinium depauperatum Mrs. C. C. Bruce 2236 Modoc Lake City Canyon Comment
  CAS-BOT-BC217320  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1989-4-30 4718 Modoc 4.2 km W of State Highway 299 along the N side of the Pit River W of Canby Bridge. 1320 Comment
  HSC25014  Delphinium nuttallianum M. T. Milligan 1966-7-3 526 Modoc N end of Jess Valley 1616 Comment
  HSC25016  Delphinium nuttallianum M. T. Milligan 1964-7-25 190 Modoc Pine Creek Basin, along trail. 2439 Comment
  HSC27056  Delphinium nuttallianum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19336 Modoc Soup Springs Campground Comment
  UC748094  Delphinium nuttallianum Annie M. Alexander and Louise Kellogg 1946-6-5 4667 Modoc s Eagleville (above road); Warner Mountains, Emerson Creek 1981 Comment
  CAS-BOT-BC242482  Deschampsia cespitosa subsp. cespitosa Elmer Ivan Applegate 1932-8-2 8073 Modoc Mill Creek Meadows. Comment
  CAS-BOT-BC242478  Deschampsia danthonioides Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake Ranch near S end. Comment
  JEPS73979  Deschampsia danthonioides Frances D. Payne 1932-6-24 650 Modoc s. and e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  SEINET4566918  Deschampsia danthonioides I. Tidestrom 1910-6-25 3642 Modoc Sibley Draw, north fork Modoc Comment
  CAS-BOT-BC247771  Deschampsia elongata Bruce Bartholomew; Barrett Anderson 1990-7-20 5496 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC58621  Descurainia incisa Bruce Bartholomew; Barrett Anderson 1988-7-21 4450 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  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
  NY125969  Descurainia paradisa var. paradisa B. M. Bartholomew 1994-5-15 6693 Modoc East of Eagleville near the Eagleville Airport, Surprize Valley 1380 Comment
  HSC26609  Descurainia pinnata D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19357 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC58442  Descurainia sophia E. S. Willits 1940-5-17 268 Modoc Willow Ranch. Comment
  CHSC85190  Descurainia sophia John Dittes; Josephine Guardino 1991-6-1 344 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
  JEPS14817  Descurainia sophia Conrad V. Morton Jul 1925 629 Modoc Warner Mountains Comment
  UC1587044  Dichelostemma multiflorum G. Schoolcraft 1991-6-19 2171 Modoc just n Adin (at end of Barbe Ridge); Barber Ridge 1310 Comment
  CAS-BOT-BC49463  Dieteria canescens var. shastensis Elmer Ivan Applegate 1923-3-17 3341 Modoc Dry Lake, SE of Tule Lake. Comment
  RSA534560  Dimeresia howellii Bruce Bartholomew 1991-5-24 5731 Modoc 2.9 km NW of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  UC705643  Dimeresia howellii Marion Ownbey and Fred G. Meyer 1940-7-1 2136 Modoc Cedar Pass; Warner Mts. Comment
  UCSB31429  Dimeresia howellii Haller, John 1978-7-19 Modoc Summit ridge of Warner Mountains, 1 km north of the Likely-Eagleville Road 2377 Comment
  CHSC57228  Diplacus cusickii David M. Thompson 1988-7-23 975 Modoc E side of Warner Mts. 3.7 mi S of Hwy 299 (at Cedarville) along Surprise Valley Road, then 1.5 mi W along Granger Canyon Road. 1500 Comment
  CAS-BOT-BC234494  Diplacus nanus R. M. Austin 1893-1-1 s.n. Modoc Pine Creek. Comment
  CAS-BOT-BC234499  Diplacus nanus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16498 Modoc Junction of gravel road to Tieneste & Glass Mt. with Canby-Klamath Falls Highway 139, 28 mi W of Canby. Comment
  CHSC57235  Diplacus nanus David M. Thompson 1988-6-2 926 Modoc 8 1/2 air mi NNE of Adin. 0.2 mi W of campground loop road of Upper Rush Creek Campground; ca. 2 mi E of Hwy 139-299. 1600 Comment
  SBBG22643  Diplacus nanus C. B. Hardham 1961-6-19 7841 Modoc Willow Crk 1676 Comment
  CAS-BOT-BC234497  Diplacus nanus E. H. Steffen 1917-6-10 42 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC234429  Diplacus pygmaeus Dean W. Taylor; Glenn L. Clifton; Rexford E. Palmer; Roy E. Buck 1987-6-6 9016 Modoc Egg Lake, in ephemeral creek draining to Kramer Reservoir. About 120 m upstream from the culvert of Forest Road 43N03 1289 Comment
  UCD64175  Distichlis spicata R. Tofsrud 1947-7-1 239 Modoc E of Cedarville, Middle Alkali Lake bed. Comment
  UCR34703  Dodecatheon J. A. Harpel 1981-8-6 V- 27 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC218287  Dodecatheon alpinum Bruce Bartholomew 1994-7-2 6818 Modoc Mill Creek NE of Bald Mtn., E side of Warner Mountains. 2040 Comment
  CAS-BOT-BC218289  Dodecatheon alpinum Bruce Bartholomew 1991-8-5 6033 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC218292  Dodecatheon alpinum Bruce Bartholomew 1990-6-16 5266 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  RSA601890  Dodecatheon alpinum Louis C. Wheeler 1935-8-1 3736 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 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
  UC673385  Dodecatheon alpinum F. H. Frost 1925-7-25 165 Modoc Eagle Peak Warner Mts., Eagle Peak Comment
  UC1483866  Dodecatheon conjugens G. Schoolcraft 1980-4-29 208 Modoc Harper Hill n Adin; Harper Hill n of Adin 1402 Comment
  UC22371  Dodecatheon conjugens Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley Comment
  UC444832  Dodecatheon conjugens Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA520479  Dodecatheon conjugens Bruce Bartholomew, B. Anderson 1989-4-28 4655 Modoc 11 km N of State Highway 299 and ca. 1 km S of Raker and Thomas Reservoir. Juniper shrub savannah. 1500 Comment
  CAS-BOT-BC218273  Dodecatheon conjugens var. conjugens Kenton L. Chambers 1964-4-28 2085 Modoc Hwy 139 between Tulelake and Canby, at junction with road to Perez, 3 mi. S of road to Clear Lake Reservoir. Comment
  CAS-BOT-BC218277  Dodecatheon conjugens var. conjugens John Thomas Howell 1934-6-11 11976 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC218279  Dodecatheon conjugens var. conjugens Leo David Whitney 1935-5-19 3108 Modoc Edge of Hackamore River, near Hackamore. Comment
  CAS-BOT-BC218274  Dodecatheon conjugens var. conjugens C. C. (Mrs.) Bruce 1898-6-1 2302 Modoc Lake City Mts. Comment
  CAS-BOT-BC218283  Dodecatheon conjugens var. conjugens C. C. (Mrs.) Bruce 1899-5-1 560 Modoc Goose Lake. Comment
  CAS-BOT-BC218284  Dodecatheon conjugens var. conjugens R. M. Austin 1898-4-1 2308 Modoc Plains, Goose Lake. Comment
  CAS-BOT-BC95116  Downingia bacigalupii Alice Eastwood; John Thomas Howell 1940-6-14 8224 Modoc 8 mi. NW of Canby. Comment
  UC28969  Downingia bacigalupii Milo S. Baker 1893-7-25 Modoc near shore of Egg Lake Comment
  CAS-BOT-BC95132  Downingia bicornuta var. bicornuta R. K. Gierisch; D. H. Esplin 1969-7-16 3547 Modoc Spaulding Reservoir. 1432 Comment
  JEPS14499  Downingia bicornuta var. bicornuta Milo S. Baker 1893-6 Modoc Egg Lake Comment
  JEPS108487  Downingia bicornuta var. bicornuta Lisa Schultheis 1996-6-29 311 -96 Modoc W of Goose Lake. On county Rd. 73 towards Crowder Flat, about 18 miles from Rt. 299. Comment
  HSC26587  Downingia elegans D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19396 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  RSA611026  Downingia elegans L. C. Wheeler 1935-8-25 3916 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  SBBG30548  Downingia elegans D. Myrick 1968-6-20 1984 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  CAS-BOT-BC95139  Downingia insignis Mrs. H. C. Cantelow 1940-5-31 4000 Modoc E of Canby. Comment
  CAS-BOT-BC95140  Downingia insignis Frederick H. Frost 1925-7-28 176 Modoc Between Likely and Alturas. Comment
  HSC80853  Draba albertina G. M. Riegel 1980-8-25 1105 Modoc S Warner Mtns. 2427 Comment
  HSC80858  Draba albertina G. M. Riegel 1980-8-29 1125 Modoc S Warner Mtns. 2439 Comment
  CAS-BOT-BC58556  Draba densifolia Annie Montague Alexander; L. Kellogg 1946-8-9 5142 Modoc Squaw Peak, Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC58593  Draba verna Bruce Bartholomew; Barrett Anderson 1989-4-27 4620 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UC1594772  Drymocallis David Charlet 1988-8-12 145 Modoc Warren Peak South Warner Mountains, Warren Peak 2957 Comment
  CAS-BOT-BC214763  Drymocallis glandulosa K. Paulson; Robert Paulson 1989-5-21 119 Modoc Near Fletcher Creek, Crowder Flat Road. 1341 Comment
  CAS-BOT-BC214764  Drymocallis glandulosa Bruce Bartholomew 1995-8-1 7155 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CAS-BOT-BC214766  Drymocallis glandulosa John Thomas Howell 1934-6-13 12073 Modoc Fandango Pass, Warner Mts. Comment
  RSA611283  Drymocallis glandulosa Louis C. Wheeler 1935-8-8 3810 Modoc Warner Mountains: N Fork Bidwell Creek. 2378 Comment
  CAS-BOT-BC214759  Drymocallis glandulosa var. reflexa Roxana Stinchfield Ferris; R. Duthie 1919-6-15 88 Modoc Near Parker Creek, Modoc Nat. Forest. 1676 Comment
  UC12533  Drymocallis lactea Milo S. Baker 1893-6-28 Modoc Comment
  CAS-BOT-BC214757  Drymocallis lactea var. austiniae Annie Montague Alexander; L. Kellogg 1946-6-30 4876 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  CHSC109480  Drymocallis lactea var. austiniae L. P. Janeway; B. Castro 2012-7-27 11018 Modoc Warner Mountains. Along an unnamed mining accessd road 1.0 air km east of Yellow Mountain, 0.5 air km east of Mineral Spring. 2335 Comment
  UC1037234  Drymocallis lactea var. austiniae Leo Whitney 1934-5-5 3040 Modoc Devil's Garden Modoc National Forest (ne portion of county) 1524 Comment
  CAS-BOT-BC14806  Dugaldia hoopesii Bruce Bartholomew; Barrett Anderson 1988-7-23 4565 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC14850  Dugaldia hoopesii Elmer Ivan Applegate 1932-8-1 8046 Modoc Arid E slope of Warren Peak near summit, Warner Mountains Comment
  CHSC99957  Dysphania botrys Lowell Ahart; John Dittes 2008-8-25 15323 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
  UC1101554  Elatine ambigua Herbert L. Mason 1947-7-10 13347 Modoc 2 air mi e Alturas (on little island); Doris Reservoir Comment
  PASA431  Elatine americana Frank W. Peirson 1926-6-26 Modoc Road from Alturas to Canby Comment
  RSA604673  Elatine brachysperma L. C. Wheeler 1935-8-23 3912 Modoc South Mt. Reservoir, Devil's Garden. 1677 Comment
  JEPS127160  Elatine rubella Lowell Ahart, John Dittes 2016-7-16 21246 Modoc South of of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  CAS-BOT-BC242380  Eleocharis coloradoensis Verne Grant; I. Schneider 1947-7-19 8081 Modoc Williams Ranch, N of Likely. Comment
  CHSC110892  Eleocharis macrostachya Lowell Ahart; John Dittes 2012-7-11 18333 Modoc On the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  SJSU9588  Eleocharis macrostachya W. Savage 1979-7-5 1352 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1100743  Eleocharis macrostachya Herbert L. Mason 1947-8-15 13560 Modoc spring leading into W side of Goose Lake, 11 mi from Davis Creek Comment
  UC1100700  Eleocharis quinqueflora Malcolm A. Nobs, Calvin McMillan 1949-6-16 796 Modoc Dry Valley Reservoir, 33 mi NNW of Alturas. Comment
  UC698625  Eleocharis quinqueflora Louis C. Wheeler 1935-8-15 3862 Modoc Dismal Swamp, Twenty Mile Creek Warner Mountains 2225 Comment
  POM229182  Eleocharis quinqueflora L. C. Wheeler 1935-8-15 3862 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  UC1037179  Elymus X macounii Leo Whitney 1935-8-13 3618 Modoc U.S.B.E.--MC-2 Comment
  CAS-BOT-BC247719  Elymus X saundersii Bruce Bartholomew 1989-8-11 5105 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  HSC65335  Elymus cinereus J. P. Smith, J. O. Sawyer 1973-8-9 7284 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
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Jul 11 2013
  CAS-BOT-BC247751  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1988-7-21 4452 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  JEPS74072  Elymus elymoides subsp. elymoides Frances D. Payne 1932-7-3 590 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CHSC34510  Elymus elymoides subsp. hordeoides J. D. Prouty 1980-8-9 1149 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  UCD62291  Elymus glaucus A. A. Beetle 1944-8-15 3034 Modoc N. of Lookout. Above Happy Camp Ranger Station. Comment
  UCD62360  Elymus glaucus subsp. glaucus L. S. Smith 1918-8-11 Modoc Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC247730  Elymus multisetus Leland S. Smith 1917-7-11 97 Modoc Granger Mill Camp. 1828 Comment
  UC1024984  Elymus trachycaulus Leo Whitney 1935-7-1 3375 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore River, Hackamore 1463 Comment
  CAS-BOT-BC247725  Elymus trachycaulus subsp. trachycaulus Louis Cutter Wheeler 1935-8-4 3780 Modoc Pine Creek. 2103 Comment
  CAS-BOT-BC191033  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1991-7-6 5971 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  CAS-BOT-BC191034  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1994-7-1 6763 Modoc Turner Creek on Forest Service rd. 42N21. 1400 Comment
  CAS-BOT-BC191037  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1991-7-6 5971 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  CAS-BOT-BC191039  Epilobium angustifolium subsp. circumvagum Leland S. Smith 1919-7-1 980 Modoc Coyote Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC191010  Epilobium brachycarpum Robert Folger Thorne; et al 1969-9-4 39069 Modoc Margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1432 Comment
  JEPS114669  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-northeast of Lookout 1276 Comment
  RSA767676  Epilobium brachycarpum L. Ahart, John Dittes 2010-8-30 17067 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  SBBG103627  Epilobium brachycarpum B. Bartholomew, B. Anderson 1990-7-21 5589 Modoc Bear Flat, W side of Warner Mtns, Ranger Station, E side of Warner Mtns 1830 Comment
  SD135587  Epilobium brachycarpum B. Bartholomew 1989-7-14 4946 Modoc ca. 8km NE of Egg Lake and 2.5 km East of Survice Gulch. 1340 Comment
  UC20103  Epilobium brachycarpum Milo S. Baker 1893-6-25 Modoc nr. Egg Lake Comment
  UC1191731  Epilobium brachycarpum Verne Grant and Irving Schneider 1947-8-29 8354 Modoc at bridge by Coal Stone Valley; Pit River Comment
  UC19954  Epilobium campestre Milo S. Baker Jul 30 1893-Jan 1 1900 Modoc Egg Lake Comment
  UC422932  Epilobium ciliatum subsp. ciliatum Milo S. Baker Aug. 1898 522 Modoc Forestdale Comment
  UC1191704  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-7-19 8059 Modoc about 1 mi s Bayley's bridge (s of Alturas); Eastside canal Comment
  UC1191744  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-8-28 8340 Modoc nw Alturas; Jack Swamp Comment
  JEPS43817  Epilobium ciliatum subsp. glandulosum L. S. Smith 1917-8-3 897 Modoc South Fork Davis Creek Warner Mts. 2133 Comment
  CHSC100851  Epilobium obcordatum L. P. Janeway 2008-8-17 9562 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2409 Comment
  UC524168  Epilobium obcordatum Elmer I. Applegate 1932-8-5 8170 Modoc cleft in rocks among summit crags; Warner Mts, Cedar Mt., Cedar Pass Comment
  RSA41241  Epilobium obcordatum A. M. Alexander, Louise Kellogg 1946-7-23 5050 Modoc Emerson Peak, Warner Mountains Comment
  SEINET12861446  Epilobium obcordatum D. A. Charlet 1989-8-13 217 Modoc Warner Mountains, Eagle Peak 3011 Comment
  CAS-BOT-BC190942  Epilobium oregonense Bruce Bartholomew 1994-7-3 6840 Modoc E side of the Warner Mountains on the road from Lily Lake to Fort Bidwell. 1980 Comment
  CAS-BOT-BC190934  Epilobium pallidum Bruce Bartholomew; Barrett Anderson 1988-6-23 4283 A Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  CAS-BOT-BC190937  Epilobium pallidum D. M. Moore 1960-6-4 118 Modoc S end of Goose Lake, 2.1 mi. W of Davis Creek on road to W side of lake. Comment
  CAS-BOT-BC190939  Epilobium pallidum Herbert Louis Mason; Verne Grant 1947-7-13 13441 Modoc Joseph Creek on Hwy 395. Comment
  UC19957  Epilobium pallidum M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC190870  Epilobium pygmaeum Bruce Bartholomew 1990-8-3 5618 Modoc Bear Flat, W side of Warner Mts. 1830 Comment
  CDA34216  Epilobium pygmaeum L. Ahart, J. Dittes 2010-8-3 17058 Modoc About 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  RSA795598  Epilobium pygmaeum L. Ahart, John Dittes 2010-8-30 17058 Modoc On the sides of a small wash, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  JEPS120175  Equisetum laevigatum Lowell Ahart, John Dittes 2012-7-10 18314 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS127319  Equisetum laevigatum Lowell Ahart, John Dittes 2016-7-14 21211 -B Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  CAS-BOT-BC30181  Equisetum laevigatum Verne Grant; I. Schneider 1947-7-20 8107 Modoc North Fork of Pit River, downstream from Alturas. Comment
  RSA152447  Equisetum laevigatum I. L. Wiggins, Dorothy Wiggins 1961-6-13 16451 Modoc At southern outskirts of For Bidwell. Comment
  RSA768064  Eragrostis pectinacea var. pectinacea L. Ahart, John Dittes 2010-8-31 17092 Modoc West side of Walters Road, 4235 ft south of Modoc County Line, about 4.3 air miles south-southwest of Adin, about 7 air miles northeast of Bieber, Big Valley 1277 Comment
  CAS-BOT-BC95482  Eremogone aculeata Clare Butterworth Hardham 1961-6-18 7581 Modoc Cedar Pass. 1828 Comment
  CAS-BOT-BC95489  Eremogone aculeata Bruce Bartholomew; Barrett Anderson 1988-6-24 4318 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  HSC68104  Eremogone aculeata J. P. Smith, J. O. Sawyer 1973-8-8 7232 Modoc Near summit of Eagle Peak 2988 Comment
  UCSB48319  Eremogone aculeata Hardham, Clare 1961-6-18 Modoc Cedar Pass 1828 Comment
  CAS-BOT-BC95441  Eremogone congesta Barrett Anderson 1986-7-10 3206 Modoc West Warner Rd. along Bear Flat. 1845 Comment
  CAS-BOT-BC95462  Eremogone congesta Leland S. Smith 1917-7-17 82 Modoc Granger Mill and Upper Deep Creek. 2133 Comment
  CAS-BOT-BC95469  Eremogone congesta Mrs. H. C. Cantelow 1940-5-31 3443 Modoc 8.9 mi. E of Indian Springs. Comment
  CAS-BOT-BC14814  Ericameria bloomeri Leland S. Smith 1508 Modoc Lavas W of Mud Lake. 1310 Comment
  CHSC70464  Ericameria nauseosa var. speciosa A. Sanger 1997-8-21 2606 Modoc Along road south of large burn plantation, approx. 1.5 miles south of Forest Rd. 44N77. 1389 Comment
  HSC81022  Ericameria parryi var. nevadensis G. M. Riegel 1979-7-14 542 Modoc South Warner Mtns. 1739 Comment
  CAS-BOT-BC42843  Erigeron austiniae K. Paulson; Robert Paulson 1988-5-22 5 Modoc Engle Swamp Road, Devil's Garden. 1402 Comment
  CDA4406  Erigeron austiniae T. C. Fuller 1965-6-2 13595 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  RSA245270  Erigeron bloomeri D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19386 Modoc Along Hager Basin Road near Big Sage Reservoir Comment
  CAS-BOT-BC42811  Erigeron bloomeri var. bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi. NE of Alturas. 1615 Comment
  POM36268  Erigeron bloomeri var. bloomeri Mrs. R. M. Austin 1895-06 554 Modoc Goose Lake Valley Comment
  OBI49213  Erigeron chrysopsidis var. austiniae Lewis S. Rose 1940-6-12 40542 Modoc 9 mi NE of Alturas, Cedar Pass Rd 1524 Comment
  SEINET5512261  Erigeron chrysopsidis var. austiniae J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  CAS-BOT-BC42824  Erigeron divergens F. Angwin 1945-10-27 Modoc Big Valley. 1280 Comment
  JEPS127166  Erigeron divergens Lowell Ahart, John Dittes 2016-7-14 21154 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  JEPS5927  Erigeron divergens Frances D. Payne 1931-6-18 195 Modoc Parker Creek watershed Warner Mountains 1584 Comment
  CAS-BOT-BC42755  Erigeron eatonii var. plantagineus Alice Eastwood; John Thomas Howell 1940-6-15 8286 Modoc About 15 mi. N of Lookout. Comment
  CAS-BOT-BC42757  Erigeron eatonii var. plantagineus Louis Cutter Wheeler 1935-8-4 3783 Modoc Pine Creek, Warner Mtns. 2103 Comment
  CAS-BOT-BC42758  Erigeron eatonii var. plantagineus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2144 Modoc N slope Cedar Peak, Warner Mtns. Comment
  CAS-BOT-BC42793  Erigeron eatonii var. plantagineus Bruce Bartholomew 1989-7-15 4991 Modoc Sweagert Flat. 1860 Comment
  CHSC118843  Erigeron eatonii var. plantagineus L. P. Janeway 2014-7-8 11475 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
  SBBG8128  Erigeron eatonii var. plantagineus H. and M. Dearing 1939-6-9 3536 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  HSC28533  Erigeron elegantulus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19366 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC562942  Erigeron elegantulus Elmer I. Applegate 1924-6-24 5891 Modoc dry rocky hills btween Alturas and Davis Creek Comment
  CAS-BOT-BC42774  Erigeron filifolius John Thomas Howell 1934-6-13 12099 Modoc Patterson Mill Road, Warner Mountains 1676 Comment
  CAS-BOT-BC49631  Erigeron filifolius John Thomas Howell 1934-6-30 12283 Modoc Duncan Horse Camp. 1355 Comment
  JEPS22357  Erigeron filifolius Milo S. Baker 1893-6-20 Modoc Comment
  UC748399  Erigeron filifolius Annie M. Alexander and Louise Kellogg 1946-6-18 4790 Modoc lower part of road Patterson Mill Road Comment
  CHSC109217  Erigeron glacialis var. glacialis L. P. Janeway; B. Castro 2012-7-24 10956 Modoc Warner Mountains. Along forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. 2250 Comment
  JEPS86332  Erigeron glacialis var. glacialis Jack and Betty Guggolz 1988-7-4 978 Modoc North Star Basin Comment
  UC468830  Erigeron glacialis var. glacialis M. F. Gilman 522 Modoc Comment
  JEPS103178  Erigeron glacialis var. hirsutus G. Schoolcraft 2000-7-18 2921 Modoc Near Dismal Swamp in N Warner Mountains 2209 Comment
  SBBG101261  Erigeron inornatus R. R. Halse 1991-7-28 4245 Modoc St Hwy 139, 13 mi NW of jct with St Hwy 299 1469 Comment
  RSA504615  Erigeron inornatus var. inornatus Bruce Bartholomew, B. Anderson 1988-7-21 4405 Modoc 2.1 km SSE of Day on the road to state Highway 299 1020 Comment
  CAS-BOT-BC49644  Erigeron linearis M. M. Hanna 1956-6-7 Modoc Highway 139, between Canby and Tienesta. Comment
  CHSC67083  Erigeron linearis James D. Jokerst 1987-5-14 2874 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, E and adjacent to SW-NE oriented fence. 1348 Comment
  RSA245023  Erigeron linearis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19364 Modoc along the South fork of the Pit River, about 6 miles east of Likely Comment
  UC1561045  Erigeron linearis Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10452 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains, Emerson Creek 2560 Comment
  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
  CDA35644  Erigeron peregrinus J. R. Keck Jr. 1985-7-11 PDR# 237700 Modoc Davis Creek, Modoc National Forest. Comment
  CAS-BOT-BC49585  Erigeron pumilus subsp. intermedius John Thomas Howell 1934-7-1 12320 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC49588  Erigeron pumilus subsp. intermedius Alice Eastwood; John Thomas Howell 1940-6-11 8026 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC49586  Erigeron pumilus subsp. intermedius M. M. Hanna 1956-6-7 s.n. Modoc Highway 139, Canby to Tienesta. Comment
  UC1735880  Eriogonum caespitosum Dean W. Taylor 1987-6-27 9111 b Modoc Warner Mountains, head upper South Deep Creek, 2194 Comment
  SBBG1486  Eriogonum douglasii H. and M. Dearing 1939-6-9 3625 c Modoc near Squaw Peak, Warner Mtns 2133 Comment
  CAS-BOT-BC197822  Eriogonum elatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5472 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  HSC80877  Eriogonum elatum G. M. Riegel 1980-7-29 954 Modoc S Warner Mtns. 1739 Comment
  JEPS57006  Eriogonum elatum var. elatum W. L. Jepson 1918-8-7 7895 Modoc Mt. Bidwell 2286 Comment
  JEPS91179  Eriogonum elatum var. elatum Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10454 Modoc Warner Mountains, Emerson Creek drainage; cirque headwall above South Emerson Lake 2560 Comment
  RSA531327  Eriogonum elatum var. elatum Bruce Bartholomew, B. Anderson 1990-7-20 5472 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  CAS-BOT-BC197811  Eriogonum heracleoides var. heracleoides J. L. Reveal; Darin Scott Reveal 1978-8-11 4824 Modoc Warner Mts., Dismal Swamp, about 2 mi. N of Modoc Co. Road 2, at the NW end of Dismal Swamp S of Dismal Creek. 2225 Comment
  RSA165621  Eriogonum heracleoides var. heracleoides Clare B. Hardham 1961-6-21 7917 Modoc East of Lakeview Comment
  NY572521  Eriogonum microthecum var. ambiguum B. M. Bartholomew 1991-8-5 6054 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mountains. 2530 Comment
  HSC80881  Eriogonum microthecum var. laxiflorum G. M. Riegel 1980-8-22 1098 Modoc S Warner Mtns. 1829 Comment
  LA206945  Eriogonum nudum var. oblongifolium O. H. Kappler; 1949-7-26 s.n. Modoc Adin Pass. Along Route 299 1523 Comment
  CAS-BOT-BC211401  Eriogonum nudum var. pubiflorum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10574 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC211410  Eriogonum nudum var. pubiflorum R. M. Austin; Bruce 1898-8-1 2316 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC211436  Eriogonum nudum var. pubiflorum G. D. Hanna 1958-9-23 Modoc Cedar Pass Comment
  CAS-BOT-BC211437  Eriogonum nudum var. pubiflorum Alice Eastwood; John Thomas Howell 1940-6-13 8114 Modoc Surprise. Comment
  CAS-BOT-BC211439  Eriogonum nudum var. pubiflorum Elmer Ivan Applegate 1932-8-1 7995 Modoc N of Mill Creek Meadow, Warner Mts. Comment
  CHSC113993  Eriogonum nudum var. pubiflorum L. P. Janeway 2014-7-7 11440 Modoc Warner Mountains. East side of crest of Warner Mountains 2.3 air-km east of Cedar Pass; along Road 43N07 1.4 road-km east of Stough Reservoir. 2000 Comment
  RSA176186  Eriogonum nudum var. pubiflorum Noel Holmgren, James L. Reveal 1964-8-21 1717 Modoc Warner Range, Modoc National Forest, about 5 miles southwest of Eagleville on the Eagleville - Likely Road Comment
  SEINET5333097  Eriogonum nudum var. pubiflorum R. R. Halse 2004-7-22 6671 Modoc Along U.S. Hwy 395, ca. 6 miles north of Alturus 1341 Comment
  SJSU9132  Eriogonum nudum var. pubiflorum H. L. Buckalew 1961-6-27 Modoc dry wash 0.5 mi below Stough (""Stowe"") Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 2072 Comment
  CAS-BOT-BC211434  Eriogonum nudum var. pubiflorum B. Bartholomew; Barrett Anderson 1988-7-21 4407 Modoc 2.1 km SSE of Day of the road to state Highway 299 1020 Comment
  RSA152747  Eriogonum nudum var. pubiflorum I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16440 Modoc 4 miles E of summit of Cedar Pass, along Cedar Pass road. Comment
  SEINET11261586  Eriogonum nudum var. pubiflorum Noel H. Holmgren, James L. Reveal 1964-8-21 1717 Modoc Warner Range, about 5 miles southwest of Eagleville on the Eagleville-Likely Road.; 0 Comment
  SEINET5330949  Eriogonum nudum var. pubiflorum M. S. Baker Unknown s.n. Modoc No data. Comment
  SBBG30521  Eriogonum nutans D. Myrick 1968-6-20 1983 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  HSC63928  Eriogonum sphaerocephalum Teresa Prendusi 1980-6-19 Modoc Larkspur Seeding 3 mi. E of top of Upper Lake in the Larkspur Hills 1463 Comment
  RSA32928  Eriogonum sphaerocephalum A. A. Heller 1938-6-24 s.n. Modoc Occasional clumps on open gravelly slopes in clay soil between Altures and Candy on U.S. Highway #299. Comment
  RSA554799  Eriogonum sphaerocephalum M. J. Williams 1988-5-30 88- 26 -9 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC211391  Eriogonum sphaerocephalum var. halimioides Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13317 Modoc Along dirt road 8.8 miles south of Happy Camp Guard Station. Comment
  NY283122  Eriogonum sphaerocephalum var. halimioides B. Anderson 1986-7-9 3159 Modoc Warner Mountains. Highway 299 just west of Cedar Pass. Comment
  RSA125288  Eriogonum sphaerocephalum var. halimioides Peter H. Raven, Otto T. Solbrig 1958-6-18 13317 Modoc Meadow in forest of Pinus Jeffreyi, along dirt road 8.8 mi. south of Happy Camp Guard Station, Modoc National Forest. Comment
  UC1168690  Eriogonum sphaerocephalum var. halimioides Peter H. Raven with Otto T. Solbrig 1958-6-18 13329 Modoc hill at eastern outskirts of Lookout Lookout Comment
  UC201707  Eriogonum sphaerocephalum var. halimioides W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains, N. Fork Parker Cr. 2286 Comment
  HSC17345  Eriogonum sphaerocephalum var. sphaerocephalum M. T. Milligan 1964-7-1 99 Modoc 4 mi. E of Rattlesnake Butte Rd. on Modoc Co. Rd. 54 1372 Comment
  CAS-BOT-BC211365  Eriogonum strictum subsp. anserinum Amos Arthur Heller 1938-6-24 15223 Modoc Slopes between Alturas and Canby. 1341 Comment
  UC1250295  Eriogonum strictum var. anserinum Annie M. Alexander and Louise Kellogg 1946-7-24 5072 Modoc Horse Mountain Warner Mountains, Horse Mountain Comment
  CAS-BOT-BC248339  Eriogonum umbellatum B. Bartholomew; H. Sun 2002-6-24 8810 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  RSA504666  Eriogonum umbellatum K. Paulson, R. Paulson 1988-5-22 7 Modoc Devil's Garden. In clay. 1433 Comment
  HSC17346  Eriogonum umbellatum var. dichrocephalum M. T. Milligan 1964-6-17 46 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  NY399399  Eriogonum umbellatum var. dichrocephalum L. C. Wheeler 1935-8-14 3843 Modoc Pine Creek, Warner Mountains 2011.7 Comment
  UC1075724  Eriogonum umbellatum var. dumosum Robert J. Weatherby 1955-7-8 1633 Modoc 3 mi n Ft. Bidwell; Warner Mts. 1554 Comment
  CAS-BOT-BC197791  Eriogonum umbellatum var. nevadense Roxana Stinchfield Ferris; R. Duthie 1919-6-14 87 Modoc Above Parker Creek, near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC197611  Eriogonum umbellatum var. polyanthum Annie Montague Alexander; L. Kellogg 1946-7-30 5094 Modoc East slope below summit of Eagle Peak. Comment
  SEINET5331990  Eriogonum umbellatum var. polyanthum M. J. Williams 1988-5-30 88- 23 -1 Modoc First road into Big Sage Reservoir from Crowder Flat Road, NW of Alturas. 1539 Comment
  JEPS3934  Eriogonum vimineum N. T. Mirov 1929-7-6 Modoc near Buck Creek Ranger Station (Fandango Valley); Warner Mountains, Fandango Valley 1584 Comment
  SBBG18303  Eriogonum vimineum C. B. Hardham 1961-6-19 7836 Modoc Davis Crk 1676 Comment
  SEINET10299471  Eriogonum vimineum F. H. Frost 1925-7-11 17 Modoc Cedar Canyon campsite, 2 miles above Cedarville Comment
  UC1250294  Eriogonum vimineum Annie M. Alexander and Louise Kellogg 1946-7-17 4996 Modoc on northside, Cedar Pass Warner Mountains, Cedar Pass Comment
  CAS-BOT-BC49566  Eriophyllum lanatum Barrett Anderson 1986-7-10 3192 Modoc West Warner Rd N of North Fork of Pine Creek. 1965 Comment
  CAS-BOT-BC49600  Eriophyllum lanatum Elmer Ivan Applegate 1971-8-7 8071 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  CHSC115488  Eriophyllum lanatum var. achilleoides L. P. Janeway 2014-7-8 11471 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  UC201712  Eriophyllum lanatum var. achilleoides W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 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
  UC31680  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-7-1 Modoc Lava Beds Comment
  CAS-BOT-BC180081  Erodium cicutarium Elmer Ivan Applegate 1897-5-31 882 Modoc Bloody Point, Tule Lake. Comment
  CHSC117364  Erodium cicutarium Lowell Ahart; John Dittes 2016-7-14 21173 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC68059  Erodium cicutarium Mrs. M. H. Manning 1903-3-29 61 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  UC1191957  Eryngium alismifolium Herbert L. Mason 1947-8-12 13511 Modoc Alturas, junction of N. and S. Forks of Pit River Comment
  CAS-BOT-BC21475  Eryngium articulatum Bruce Bartholomew; Barrett Anderson 1988-6-23 4289 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC21476  Eryngium articulatum Bruce Bartholomew 1989-8-10 5040 Modoc Little Hot Spring Valley, 3.9 km NW of Day. 1070 Comment
  CAS-BOT-BC21477  Eryngium articulatum Bruce Bartholomew 1991-8-4 6013 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  CAS-BOT-BC21478  Eryngium articulatum Leland S. Smith 1922-8-10 1334 Modoc Medow W of Gutzman's. 1432 Comment
  JEPS16990  Eryngium articulatum M. S. Baker and Franklin P. Nutting 1894-8-30 Modoc near Forestdale Comment
  RSA210855  Eryngium articulatum R. F. Thorne, C. W. Tilforth 1969-9-4 39059 Modoc 2 mi W of Davis Creek (town), S of Goose Lake. 1433 Comment
  RSA504614  Eryngium articulatum Bruce Bartholomew, B. Anderson 1988-7-21 4406 Modoc 2.1 km SSE of Day on the road to state Highway 299 1020 Comment
  CAS-BOT-BC497204  Eryngium articulatum Louis C. Wheeler 1935-9-13 3985 Modoc Davil's Garden: Fletcher Creek at Pease Place 1524 Comment
  UC1167717  Eryngium mathiasiae Peter H. Raven 1958-6-18 13322 Modoc about small lake at eastern outskirts of Lookout post office Comment
  UC1748316  Eryngium mathiasiae James D. Jokerst 1986-8-11 2757 Modoc S of Doublehead Mountain (S of road to Doublehead Mountain) Comment
  UC1487346  Eryngium mathiasiae Y. Sheikh and L. Constance 1973-6-27 551 Modoc 9.8 mi WNW of Canby; State Hwy 139; WWN of Canby, Modoc Co. Comment
  CAS-BOT-BC58333  Erysimum capitatum var. capitatum Elmer Ivan Applegate 1932-8-1 8045 Modoc W slope of Warner Mts. S of Warren Peak. Comment
  CAS-BOT-BC58574  Erysimum capitatum var. capitatum Leland S. Smith 1920-6-1 1152 Modoc 12 Mile Creek. 1981 Comment
  SEINET11249726  Erysimum capitatum var. capitatum A. Sanger 1996-6-11 2205 Modoc Crest of Paynes Peak, near radio tower. 2323 Comment
  CDA3711  Erysimum repandum T. C. Fuller 1965-6-2 13600 Modoc West side of Dorris Reservoir, 2 miles east of Alturas. 0 Comment
  RSA26472  Erysimum repandum Alice Eastwood, J. T. Howell 1940-6-12 8095 Modoc Midway between Likely and Alturas. Comment
  CAS-BOT-BC229915  Erythranthe arvensis Annie Montague Alexander; L. Kellogg 1946-6-18 4800 Modoc Patterson Mill-Silver Creek roads. 1828 Comment
  CAS-BOT-BC229924  Erythranthe guttata Edward Kent Balls 1950-5-10 14602 Modoc Menlo Baths, W of Lower Alkali Lake. 1432 Comment
  CAS-BOT-BC234510  Erythranthe guttata Bruce Bartholomew; Barrett Anderson 1988-6-24 4347 Modoc South Barber Creek, 6.3 km SW of County Road 1 on County Road 42, E side of the Warner Mts.. 1790 Comment
  CHSC117566  Erythranthe inflatula Lowell Ahart; John Dittes 2016-7-14 21183 Modoc Around the 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
  CHSC110050  Erythranthe latidens Lowell Ahart 2012-7-12 18373 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 5 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC234462  Erythranthe primuloides Bruce Bartholomew 1990-6-15 5239 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC234426  Erythranthe pulsiferae Bruce Bartholomew 1991-7-4 5902 Modoc Roney Flat. 1460 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
  SEINET5586292  Euphorbia esula C. Pirosko s.n. Modoc Tulelake area. Comment
  CHSC100429  Euthamia occidentalis Lowell Ahart; John Dittes 2008-8-25 15283 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  JEPS114660  Euthamia occidentalis Lowell Ahart, John Dittes 2008-8-25 15283 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  UCR163260  Festuca Jim Andre 1993-7-2 1427 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC247714  Festuca idahoensis Alan Ackerman Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin. 1828 Comment
  CAS-BOT-BC247717  Festuca idahoensis John Thomas Howell 1934-7-3 12376 Modoc 5 mi. S of Hackamore. Comment
  UC1024898  Festuca idahoensis Leo Whitney 1935-5-23 3116 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UC1024985  Festuca idahoensis Leo Whitney 1935-7-5 3408 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UC790920  Festuca idahoensis A. A. Beetle 1941-7-29 2833 Modoc near Mt. Adin summit; Mt. Adin 1828 Comment
  UC1024997  Festuca pratensis Leo Whitney 1935-7-7 3389 Modoc 4 mi nw Canby; Howard Gulch Comment
  UC869454  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 mi ne of Alturas 1615 Comment
  NY188595  Frasera albicaulis B. J. Ertter 1988-6-18 7620 Modoc Hwy 139 ca. 50 airmiles SW of Klamath falls, a few miles N of Agric. Inspection station, 1 mi. S of S jct to lava Beds National Monument E of Tonesta. 1310.6 Comment
  NY188596  Frasera albicaulis K. Paulson 1988-5-22 9 Modoc Fletcher Creek, Devil's Garden. 1402.1 Comment
  UCR34672  Frasera speciosa J. A. Harpel 1981-8-6 V 38 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  HSC15547  Fritillaria atropurpurea M. T. Milligan 1967-6-15 653 Modoc N end of Jess Valley 1616 Comment
  HSC25436  Fritillaria pudica D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19310 Modoc Soup Springs Campground Comment
  SDSU20642  Fritillaria pudica Sean Ryan, Michael G. Simpson 2010-6-24 67 Modoc North of Hwy 299, approximately 0.8 miles beyond Stough Reservoir Campground along Forest Road 43N07, 20 yards east of the road. Open clearing. Warner Mountains. Modoc National Forest. 2000 Comment
  UC1036047  Fritillaria pudica Annie M. Alexander and Louise Kellogg 1946-6-8 4699 Modoc road from Eagleville to Patterson Mill 2286 Comment
  UC65052  Fritillaria pudica Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC225060  Galium bifolium Bruce Bartholomew 1991-6-21 5804 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  SEINET12285552  Galium glabrescens subsp. modocense F. Ehrendorfer, Stebbins, G. L. 1959-1 5909 Modoc Warner Mountains, Horse Mountain, near top 2591 Comment
  UC416661  Galium mexicanum var. asperulum Mrs. M. H. Manning 1904-7-9 488 Modoc John Henry Hill John Henry Hill (ne Modoc Co.) 2133 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
  CHSC85401  Galium triflorum John Dittes; Josephine Guardino 1991-8-24 462 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
  CAS-BOT-BC180120  Garrya fremontii Belknap C. Goldsmith 1911-1-1 Modoc Fandango Valley. Comment
  JEPS66745  Garrya fremontii L. S. Smith 1917-9-12 906 Modoc Buck Creek Warner Mts. (n Warner Mts) 1828 Comment
  RSA101495  Gayophytum decipiens R. Weatherby 1955-7-8 1609 -B Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  RSA67245  Gayophytum decipiens P. A. Munz 1951-9-14 16982 Modoc Cedar Pass, Warner Mountains 1921 Comment
  POM204135  Gayophytum decipiens J. T. Howell 1934-6-14 12125 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC190845  Gayophytum diffusum subsp. diffusum Robert J. Weatherby 1955-7-8 1609 Modoc 7 mi. N of Fort Bidwell. 1874 Comment
  CAS-BOT-BC190850  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1988-7-21 4402 Modoc 2.1 km SSE of Day on the road to state Highway 299. 1020 Comment
  RSA563217  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew, B. Anderson 1990-7-21 5585 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  RSA563316  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-7-14 4948 Modoc Ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch 1340 Comment
  SBBG103626  Gayophytum diffusum subsp. parviflorum H. Bartholomew 1989-7-14 4948 Modoc ca. 8 km NE of Egg lake and 2.5 km E of Service Gulch 1340 Comment
  CAS-BOT-BC190831  Gayophytum humile Bruce Bartholomew 1991-7-6 5990 Modoc Vicinity of Happy Camp Lookout, Happy Camp Mountain. 1830 Comment
  JEPS27566  Gayophytum racemosum Milo S. Baker 1893-6 Modoc near Forestdale Comment
  RSA101494  Gayophytum racemosum R. Weatherby 1955-7-8 1609 -A Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  RSA31283B  Gayophytum racemosum Frances D. Payne 1934-8-29 s.n. Modoc Parker Creek 1585 Comment
  UC422803  Gayophytum ramosissimum Milo S. Baker 1887-1 Modoc Forestdale Comment
  UC405416  Gentiana affinis var. ovata Mrs. R. M. Austin Aug., 1894 96 Modoc headwaters Lassen Creek Comment
  CAS-BOT-BC180071  Geranium viscosissimum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16399 Modoc Along Thoms Creek, 6.1 mi. E of Hwy 299, along Cedar Pass road. Comment
  UC109430  Geranium viscosissimum unknown Jun 1894 218 Modoc Willow Creek Comment
  UC71633  Geranium viscosissimum Mrs. M. H. Manning 1902-10-11 42 Modoc Warner Mts., ne Modoc County Warner Mts. 1981 Comment
  RSA0029590  Geranium viscosissimum var. nervosum C. L. Hitchcock 1940-5-27 6703 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC214665  Geum triflorum Elmer Ivan Applegate 1932-7-9 7594 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  JEPS44853  Geum triflorum Milo S. Baker Jun 18 1893-Jul 16 1893 Modoc Forestdale Comment
  JEPS46331  Geum triflorum Frances D. Payne 1932-6-24 596 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UCD113296  Geum triflorum Beecher Crampton 1960-6-17 5705 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles northeast Happy Camp Station. 1280 Comment
  RSA454453  Geum triflorum var. ciliatum George Willet 1935-6-25 s.n. Modoc Likely Mtns. 1829 Comment
  CAS-BOT-BC190705  Gilia brecciarum subsp. brecciarum Elmer Ivan Applegate 1936-5-12 10284 Modoc Top of Petroglyph Butt, Lava Bed National Monument. Comment
  NY964091  Gilia inconspicua B. M. Bartholomew 1995-5-13 6905 Modoc 4.8 km west of Eagleville, east side os the south end of Surprize Valley 1460 Comment
  CAS-BOT-BC190670  Gilia sinistra subsp. sinistra Bruce Bartholomew 1991-7-6 5970 Modoc Service Gulch, 4.3 km W of County Road 91 on Forest Service road 42N03. 1330 Comment
  CAS-BOT-BC218303  Glaux maritima Bruce Bartholomew 1991-10-13 6123 Modoc Just N of Surprise Valley Mineral Hot Springs, ca. 8 km W of Cedarville, Surprise Valley. 1320 Comment
  CAS-BOT-BC218304  Glaux maritima Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16448 Modoc Lane to Phipp's Ranch, ca. 14 mi. N of Cedarville. Comment
  CHSC99493  Glyceria borealis Lowell Ahart; John Dittes 2008-6-21 15006 Modoc In shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. 1269 Comment
  HSC38839  Glyceria borealis J. P. Smith, J. O. Sawyer 1973-8-9 7270 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  POM203473  Glyceria borealis J. T. Howell 1934-7-2 12362 Modoc Near mouth of Willow Creek, northeast side of Clear Lake. Comment
  CAS-BOT-BC247693  Glyceria elata Bruce Bartholomew 1989-8-11 5090 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  CAS-BOT-BC247696  Glyceria elata Bruce Bartholomew; Barrett Anderson 1990-7-20 5534 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  RSA504652  Glyceria striata Bruce Bartholomew, B. Anderson 1988-7-23 4596 Modoc Pine Creek, 4 km E of U. S. Highway 395 on the road to Lily Lake, Warner Mountains. 1620 Comment
  CAS-BOT-BC49533  Gnaphalium palustre Leland S. Smith 1925-1-1 1506 Modoc Happy Camp near Ranger Station. 1371 Comment
  HSC5710  Gnaphalium palustre M. T. Milligan 1964-8-21 230 Modoc S end of Dorris Reservoir Dam 1372 Comment
  JEPS6008  Gnaphalium palustre Frances D. Payne 1935-7-19 787 Modoc mouth of Dry Creek Warner Mountains, Parker Creek, Dry Creek (tributary of Parker Creek, s and e of Alturas) Comment
  UC71856  Goodyera oblongifolia Mrs. M. H. Manning 1903-9-2 369 Modoc John Henry Camp, in north-eastern Modoc County John Henry Camp 1828 Comment
  CHSC106192  Gratiola ebracteata Lowell Ahart; John Dittes 2010-8-31 17128 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
  RSA424793  Gratiola ebracteata Louis C. Wheeler 1935-8-22 3909 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  CAS-BOT-BC229885  Gratiola heterosepala Bruce Bartholomew; Barrett Anderson 1990-7-19 5430 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC229891  Gratiola neglecta John Thomas Howell 1934-6-15 12201 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  SD46112  Gratiola neglecta Verne E. Grant, Irving Schneider 1947-7-20 8094 Modoc margin of irrigation ditch, south loop of Westside Road, Pitt Valley, north of Likely Comment
  UC1191880  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-20 8094 Modoc n Likely (Pitt Valley; s loop of westside road); Pitt Valley Comment
  CAS-BOT-BC95532  Grayia spinosa Bruce Bartholomew; Barrett Anderson 1989-4-29 4682 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  UC748400  Grindelia hirsutula Annie M. Alexander and Louise Kellogg 1946-6-17 4998 Modoc along road to Alturas (and n to Davis Creek, Cedar Pass Road); Warner Mountains Comment
  SEINET7725990  Habenaria sparsiflora Unknown 1886-1 Modoc Comment
  CAS-BOT-BC54089  Hackelia cusickii L. Mott 1976-5-29 14 LM76 Modoc Devils Garden, N of Alturas. 1402 Comment
  JEPS86311  Hackelia micrantha Jack and Betty Guggolz 1988-6-28 959 Modoc groves w of Jenkins Spring Comment
  UC1560396  Hackelia micrantha E. Joyal and D. Mehlman 1988-6-28 1291 Modoc Ridge Road Warner Mountains Comment
  SEINET10842094  Haplopappus bloomeri var. angustatus Louis C. Wheeler 1935-9-9 Wheeler 3960 Modoc Dry sunny rocky site with Artemisia tridentata. 1 mi. NE south Mt., Devil's Garden. S8, T46N, R12E. 1524 Comment
  CAS-BOT-BC49550  Helianthus annuus Bruce Bartholomew 1989-8-10 5028 Modoc Little Hot Spring Valley, 1.6 km NW of Day. 1070 Comment
  CAS-BOT-BC54062  Heliotropium curassavicum Louis Cutter Wheeler 1935-9-4 3943 Modoc McGinty Point, Goose Lake. 1463 Comment
  RSA210865  Heliotropium curassavicum var. oculatum R. F. Thorne, J. Hendrickson, C. W. Tilforth 1969-9-4 39075 Modoc East shore of Goose Lake at Willow Ranch 1433 Comment
  UC1555786  Heliotropium europaeum Gary Schoolcraft 1987-9-9 1777 Modoc along Ash Valley Rd. ca. 1/2 mi. e Adin 1280 Comment
  CAS-BOT-BC49380  Hemizonella minima John Thomas Howell 1934-7-1 12312 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  UCD37471  Hemizonella minima Beecher Crampton 1960-6-17 5690 Modoc 5 miles south of Perez, Plant Quarantine Station. 1371 Comment
  RSA795597  Hemizonia lobbii L. Ahart, John Dittes 2010-8-30 17059 Modoc Large vernal pool, about 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  CHSC106329  Herniaria hirsuta subsp. hirsuta Lowell Ahart; John Dittes 2010-8-31 17110 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-BC49506  Heterotheca villosa var. hispida Bruce Bartholomew 1991-7-6 5980 Modoc Lava beds at W side of Egg Lake. 1300 Comment
  NY541344  Heuchera cylindrica A. J. Cronquist 1959-6-19 8503 Modoc On north slope above Mill Creek, a little above Clear Lake; Warner Mountains, 15 miles east of Likely 1981.2 Comment
  UC1553376  Heuchera cylindrica var. ovalifolia Sch/Yor/Hor/Ach 1988-7-16 1837 Modoc on upper slopes of Squaw Peak; Warner Mts, Squaw Peak 2621 Comment
  UC748212  Heuchera cylindrica var. ovalifolia Annie M. Alexander and Louise Kellogg 1946-7-3 4902 Modoc 3.5 mi w Fort Bidwell; Bidwell Creek Canyon Comment
  CHSC109205  Hieracium albiflorum L. P. Janeway; B. Castro 2012-7-24 10961 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.04air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. 2250 Comment
  SD61018  Hieracium cynoglossoides Darley F. Howe 1964-7-31 Modoc 8.5 miles from entrance to Modoc National Forest on road from Likely. 1555 Comment
  HSC81133  Hieracium horridum G. M. Riegel 1979-7-21 572 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC49483  Hieracium scouleri Francis Dorris Payne 1929-7-20 104 Modoc Parker Creek, Warner Mtns. 1584 Comment
  CHSC113985  Hieracium scouleri L. P. Janeway 2014-7-7 11452 Modoc Warner Mountains. North-facing slope along Road 46N25 along Mill Creek, 1.0 km from Bidwell Creek; 5.2 air-km northwest of Fort Bidwell. 1554 Comment
  CAS-BOT-BC180051  Hippuris vulgaris John Thomas Howell 1934-7-2 12353 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  RSA504838  Holodiscus dumosus Bruce Bartholomew 1988-7-22 4488 Modoc vicinity of E Creak Trailhead, Southern end of the Warner Mtns, Sierran Montane forest. 2210 Comment
  HSC18678  Holodiscus microphyllus var. glabrescens M. T. Milligan 1966-7-5 558 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  HSC10152  Hordeum brachyantherum M. T. Milligan 1965-6-26 341 Modoc 1677 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-BC247682  Hordeum brachyantherum subsp. brachyantherum Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake Ranch near S end. Comment
  CAS-BOT-BC247688  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew 1991-6-23 5873 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  CHSC107344  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart; John Dittes 2011-6-22 17541 Modoc On the west side of the road, about 3 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CAS-BOT-BC247678  Hordeum jubatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5454 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  RSA602385  Hordeum jubatum L. C. Wheeler 1935-8-2 3743 Modoc Dismal Swamp, Twenty Mile Creek; Warner Mountains 2226 Comment
  CDA32411  Hordeum jubatum T. C. Fuller 1962-8-3 9491 Modoc Hwy 139 to Tulelake, 0.25 mile northwest of Stronghold 0 Comment
  UC711813  Horkelia fusca subsp. capitata Roxana S. Ferris and Laura Lorraine 1941-8-14 10586 Modoc 3 mi from Patterson Ranger Station (on rd to Eagleville); Modoc National Forest, Warner Mtns Comment
  POM34909  Horkelia fusca subsp. capitata R. M. Austin 1895-07 s.n. Modoc Willow Creek (Devils Garden) Comment
Read comments
Jul 11 2010
  CAS-BOT-BC214711  Horkelia fusca var. pseudocapitata Elmer Ivan Applegate 1932-7-9 7616 Modoc N slope of Bidwell Mountain. Comment
  SEINET248325  Hornungia procumbens Noel H. Holmgren, Patricia K. Holmgren 1998-5-30 12995 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) east od downtown Cedarville, at a turnoff to some hotsprings. 1370 Comment
  CAS-BOT-BC179333  Hydrophyllum capitatum var. alpinum Elmer Ivan Applegate 1932-7-9 7588 Modoc N slope of Bidwell Mountain. Comment
  CAS-BOT-BC179336  Hydrophyllum capitatum var. alpinum C. L. Hitchcock 1940-5-27 6682 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC180025  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6433 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  RSA77052  Hydrophyllum capitatum var. alpinum F. W. Peirson 1926-6-25 6875 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  UC1005251  Hydrophyllum capitatum var. alpinum Rolf Y. Berg 1955-6-22 Modoc w of Cedarville (Cedar Pass Campground); Modoc National Forest Comment
  UC1075750  Hydrophyllum capitatum var. alpinum Robert J. Weatherby 1955-7-7 1602 Modoc Dismal Swamp Warner Mountains (n Warner Mountains) 2240 Comment
  UC615123  Hydrophyllum capitatum var. alpinum Beryl O. Schreiber 1934-6-9 1157 Modoc Patterson Mill; Warner Mountains Comment
  JEPS1627  Hydrophyllum capitatum var. alpinum Leland S. Smith 1918-8-13 1073 Modoc Camp One Comment
  RSA101502  Hydrophyllum capitatum var. alpinum R. Weatherby 1955-7-7 1602 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  RSA420899  Hydrophyllum capitatum var. alpinum Christopher Davidson 1975-6-4 2616 Modoc 2.5 miles W of Cedarville on Hwy 299. 1677 Comment
  JEPS35530  Hymenoxys hoopesii W. L. Jepson 1918-8-7 7873 Modoc Mount Bidwell 2438 Comment
  RSA149060  Hypericum androsaemum I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16477 Modoc Camp ground on Lassen Creek, 1.6 mi. above ford, Warner Mountains Comment
  UC69287  Hypericum formosum var. scouleri Mrs. M. H. Manning 1903-7 204 Modoc near Fort Bidwell; n.e. Modoc co. Comment
  CAS-BOT-BC179892  Hypericum scouleri Leland S. Smith 1922-7-24 1314 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  CAS-BOT-BC58401  Idahoa scapigera Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6437 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CAS-BOT-BC58449  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1989-4-27 4612 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC179105  Iliamna bakeri Leland S. Smith 1922-7-25 1310 Modoc Grouse Mt. 1981 Comment
  SFV7752  Iliamna bakeri T. Gordon, K. Kimbrough 1975-8-15 1216 Modoc Near the entrance to Lava Beds National Monument. 1280 Comment
  CAS-BOT-BC190650  Ipomopsis aggregata subsp. aggregata John Thomas Howell 1934-6-11 11951 Modoc Parker Creek, Warner Mts. 1584 Comment
  UC449787  Ipomopsis congesta M. F. Gilman 510 Modoc Comment
  CAS-BOT-BC190645  Ipomopsis congesta subsp. montana Elmer Ivan Applegate 1932-8-1 8033 Modoc Bald, arid summit of Warner Mts. just S of Warren Peak. 2133 Comment
  CAS-BOT-BC245100  Iris missouriensis P. Monnet 1913-7-7 932 Modoc Surprise Valley. Comment
  NY411180  Isatis tinctoria R. C. Rollins 1981-6-2 81199 Modoc U.S. Hwy. 395, 5 miles south of New Pine Creek, Oregon Comment
  RSA639344  Isoetes howellii L. C. Wheeler 1935-10-6 4025 Modoc Lily Lake, Pine Creek. (Mt. Diablo Mer.) 2073 Comment
  SBBG8490  Iva axillaris H. and M. Dearing 1939-6-7 3576 Modoc E of Adin Comment
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Apr 21 2015
  CHSC100011  Iva axillaris subsp. robustior Lowell Ahart; John Dittes 2008-8-25 15304 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC214722  Ivesia gordonii Annie Montague Alexander; L. Kellogg 1946-8-9 5140 Modoc Patterson Lake Trail, Warner Mts. Comment
  UC1553372  Ivesia gordonii Sch/Yor/Hor/Ach 1988-7-16 1833 Modoc e slope Squaw Peak; Warner Mountains 2560 Comment
  HSC18689  Ivesia gordonii var. ursinorum M. T. Milligan 1965-7-10 431 Modoc W slopes of Eagle Peak 2591 Comment
  RSA210804  Juncus balticus subsp. ater Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39019 Modoc Fresh water (tule) marsh at SE end of Tule Lake Sump .5 mile N of turnoff to Lava Beds National Monument. (2.2 miles E of NE entrance to monument). 1265 Comment
  CAS-BOT-BC10595  Juncus brachyphyllus John Thomas Howell 1934-7-3 12373 Modoc 5 mi. S of Hackamore. Comment
  CHSC109634  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2012-7-11 18339 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC117140  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2016-7-14 212014 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 Codunty Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC112774  Juncus bufonius var. congestus Lowell Ahart; John Dittes 2013-7-24 18929 Modoc Edge of a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  RSA577904  Juncus drummondii L. C. Wheeler 1935-8-10 3822 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  UCD146976  Juncus ensifolius Chuck Hughes 2012-9-13 347 Modoc Bear Mountain 2005 Comment
  CAS-BOT-BC245047  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-12 6605 Modoc Flat between Egg Lake and Lookout just E of railroad track. 1260 Comment
  RSA577912  Juncus hemiendytus var. hemiendytus L. C. Wheeler 1935-8-1 3739 Modoc Dismal Swamp. Twenty Mile Creek, Warner Mountains. 2226 Comment
  CAS-BOT-BC245046  Juncus longistylis Alice Eastwood; John Thomas Howell 1940-6-15 8279 Modoc Near Happy Camp Ranger Station. Comment
  CAS-BOT-BC245043  Juncus nevadensis Leland S. Smith 1918-6-23 952 Modoc Lily Lake. 2042 Comment
  CAS-BOT-BC245044  Juncus nevadensis Bruce Bartholomew; Barrett Anderson 1988-7-23 4584 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  CHSC30638  Juncus nevadensis N. E. H. Prouty 1980-7-1 193 Modoc Modoc Nat. Forest. Bear Flat T.S. Along drainage running south from Bear Flat Pond into Soup Creek. 1798 Comment
  UC1601789  Juncus nevadensis Baker and Nutting 1894-7-12 Modoc Dixie Valley Comment
  JEPS127209  Juncus tenuis Lowell Ahart, John Dittes 2016-6-6 20970 Modoc About 10 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC10597  Juncus tiehmii Alice Eastwood; John Thomas Howell 1940-6-13 8111 Modoc Surprise. Comment
  JEPS48237  Juniperus communis Frances D. Payne 1932-7-1 653 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 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
  JEPS48240  Juniperus occidentalis F. H. Frost 1925-7-11 26 Modoc Cedar Canyon campsite 2 mi above Cedarville Comment
  UC1280914  Juniperus occidentalis H. E. McMinn 1941-8-30 5407 Modoc 13 mi s Alturas Comment
  UC401374  Juniperus occidentalis Franklin P. Nutting Modoc lava near Egg Lake Comment
  UC401375  Juniperus occidentalis Belknap C. Goldsmith 1911-5-21 Modoc county road near Goose Lake; Modoc National Forest Comment
  JEPS121195  Juniperus occidentalis var. occidentalis Lowell Ahart, John Dittes 2013-7-25 18949 Modoc 20 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  RSA93401  Juniperus occidentalis var. occidentalis Milo S. Baker 1936-6-14 8315 Modoc Malin to Quarantine Station Comment
  CAS-BOT-BC95675  Kalmia polifolia Bruce Bartholomew; Barrett Anderson 1988-6-24 4345 Modoc Vicinity of Blue Bell Mine between Lily Lake and and Fort Bidwell on County Road 2, Warner Mts.. 2190 Comment
  RSA604326  Kalmia polifolia subsp. microphylla L. C. Wheeler 1935-8-4 3776 Modoc Pine Creek, Warner Mts. 2210 Comment
  POM299547  Kelloggia galioides Marion Ownbey, Fred G. Meyer 1940-7-1 2149 Modoc Cedar Peak, Warner Mountains. Comment
  CAS-BOT-BC95539  Kochia americana Bruce Bartholomew 1991-6-22 5841 Modoc Surprise Valley, 5.6 km E of Eagleville. 1370 Comment
  CAS-BOT-BC95540  Kochia americana Bruce Bartholomew; Barrett Anderson 1989-6-2 4832 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 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
  UCD85812  Koeleria macrantha August L. Hormay 1932-7-14 s.n. Modoc D.D. plot site. Comment
  UCD86089  Koeleria macrantha L. D. Whitney 1935-7-2 s.n. Modoc Badger Wells. Comment
  CDA7518  Lactuca tatarica subsp. pulchella T. C. Fuller 1958-7-8 2029 Modoc Davis Creek. 0 Comment
  CHSC112833  Lagophylla ramosissima Lowell Ahart; John Dittes 2013-7-25 18946 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
  JEPS6021  Lagophylla ramosissima Frances D. Payne 1935-7-23 802 Modoc s and e of Alturas Parker Creek; Warner Mountains 1584 Comment
  CAS-BOT-BC49451  Lagophylla ramosissima subsp. ramosissima John Thomas Howell 1934-6-11 11939 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC179873  Lamium amplexicaule Leland S. Smith 1919-5-1 1082 Modoc Jess Valley, Clarke Ranch. 1600 Comment
  CAS-BOT-BC179874  Lamium amplexicaule Leland S. Smith 1919-5-7 1093 Modoc Jess Valley-Clarke Ranch. 1676 Comment
  CAS-BOT-BC54069  Lappula redowskii Leland S. Smith 1922-10-22 1337 Modoc Below rim E side Tule Lake. 1341 Comment
  CAS-BOT-BC181981  Lathyrus brownii Bruce Bartholomew; Barrett Anderson 1988-5-12 4122 Modoc SE side of Egg Lake, ca. 1 km E of the Burlington Northern railroad track. 1290 Comment
  UC1037241  Lathyrus lanszwertii var. aridus Leo Whitney 1935-5-31 3159 Modoc White Horse Comment
  CAS-BOT-BC181971  Lathyrus rigidus Annie Montague Alexander; L. Kellogg 1946-6-14 4768 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  NY716854  Lathyrus rigidus C. L. Hitchcock 1950-5-27 19225 Modoc Ca. 20 miles north of Alturas Comment
  UC931202  Lathyrus rigidus C. L. Hitchcock 1950-5-27 19225 Modoc ca 20 mi n Alturas Comment
  SEINET7073588  Layia fremontii 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
  UC22070  Ledum glandulosum Mrs. R. M. Austin Aug., 1894 Modoc Head of Lassen Creek Comment
  RSA233786  Lemna minor Robert F. Thorne 1969-9-5 39148 Modoc North of South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 mi. E of Likely. 1402 Comment
  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
  JEPS117373  Lepidium campestre Lowell Ahart, John Dittes 2010-8-30 17079 Modoc On the north side of a wash, about 150 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS117383  Lepidium campestre Lowell Ahart, John Dittes 2010-8-31 17109 Modoc About 40 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  JEPS127310  Lepidium campestre Lowell Ahart, John Dittes 2016-7-14 21162 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC58666  Lepidium chalepense K. Paulson; Robert Paulson 1991-7-13 239 Modoc Near Bear Flat Road, southern Warner Mountains. 2164 Comment
  HSC97739  Lepidium montanum Juha Pykala, D. H. Norris 1987-5-27 1094 Modoc 1.5-2 mi. from Hwy. 299 to Modoc National Forest boundary, Crowder Flat Rd. 1500 Comment
  JEPS53644  Lepidium montanum Mrs. R. M. Austin 1888-1 336 Modoc s of Alturas; Pit River Comment
  CAS-BOT-BC58350  Lepidium perfoliatum M. M. Hanna 1956-6-4 Modoc 6 mi. N of Alturas, Cedar Pass Road. Comment
  HSC95687  Lepidium perfoliatum Juha Pykala, D. H. Norris 1987-5-28 1210 Modoc Surprise Valley, E of Cedarville, Hwy. 299 across Middle Alkali Lake 1363 Comment
  CAS-BOT-BC190631  Leptodactylon pungens Alice Eastwood; John Thomas Howell 1940-6-12 8048 Modoc Between Likely and Jess Valley. Comment
  RSA164295  Leptosiphon harknessii Clare B. Hardham 1961-6-18 s.n. Modoc Warner Mountains: Cedar Pass. Comment
  POM96125  Lesquerella occidentalis Mrs. R. M. Austin, Bruce 1898-06 s.n. Modoc Lake City Mt, near Davis Creek. Comment
  UC672094  Leucocrinum montanum Mrs. B. A. Crabtree 1926-4-12 2885 Modoc Davis Creek Comment
  HSC15562  Leucocrinum montanum M. T. Milligan 1966-5-14 607 Modoc Plateau W of Jess Valley 1829 Comment
  POM260001  Leucophysalis nana C. Leo Hitchcock 1940-5-27 6700 Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC197455  Lewisia nevadensis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 42 Modoc Above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC197491  Lewisia rediviva Elmer Ivan Applegate 1932-7-9 7606 Modoc Summit of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC197485  Lewisia rediviva Leland S. Smith 1917-6-5 25 Modoc So. Fork Pitt River Canyon. Sec. 26. 1676 Comment
  UC1586893  Lewisia triphylla Juha Pykala and D. H. Norris 1987-5-28 1277 Modoc ca 3-4 mi w Lake City (Lake City Canyon); Warner Mountains, Modoc National Forest, Lake City Canyon 1828 Comment
  UCD64232  Leymus cinereus Beecher Crampton; Carl Rimbey 1954-7-8 2177 Modoc Jess Valley, Warner Mountains, 15 mi. east of Likely. Comment
  JEPS73997  Leymus triticoides Frances D. Payne 1932-7-18 703 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS73998  Leymus triticoides Frances D. Payne 1932-7-18 706 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1024935  Leymus triticoides Leo Whitney 1935-7-1 3341 Modoc 17 mi nw Canby; Badger Wells Comment
  UCD65581  Leymus triticoides August L. Hormay 1932-7-5 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  UCD86643  Leymus triticoides J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC436039  Ligusticum grayi Elmer I. Applegate 1932-8-2 8077 Modoc Mill Creek Meadows, western slope of Warner Mountains Comment
  CHSC109486  Ligusticum grayi L. P. Janeway; B. Castro 2012-7-25 10979 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  UC748405  Ligusticum grayi Annie M. Alexander and Louise Kellogg 1946-7-18 5014 Modoc Warner Mts., Benton Meadow 2072 Comment
  CAS-BOT-BC436036  Ligusticum grayi Annie M. Alexander; Louise Kellogg 1946-7-18 5014 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC436037  Ligusticum grayi John Thomas Howell 1934-6-14 12150 Modoc Warner Mts., near Los Lake 2438 Comment
  CAS-BOT-BC245038  Lilaea scilloides Elmer Ivan Applegate 1932-7-30 7947 Modoc Alturas. Comment
  UC1100168  Lilaea scilloides Herbert L. Mason and Verne Grant 1947-7-11 13375 Modoc s of Alturas (w side of road); South Fork of Pit River Comment
  UC1101422  Limosella acaulis Herbert L. Mason 1947-8-12 13504 Modoc Junction of North and South Forks of Pit River Alturas (Alturas); Junction of North and South Forks of Pit River Comment
  CHSC117503  Limosella aquatica Lowell Ahart; John Dittes 2016-7-14 21198 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
  UC1101426  Limosella aquatica Herbert L. Mason and Verne Grant 1947-7-12 13418 Modoc s Alturas (Pit River Valley); Pit River Valley Comment
  JEPS17627  Limosella aquatica Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5388 Modoc near roadside about 4 mi s of Cedarville (on western edge of Surprise Valley); Surprise Valley 1463 Comment
  UC629080  Linanthus harknessii Louis C. Wheeler 1935-8-16 3868 Modoc Dismal Swamp, Warner Mts., Twenty-Mile Creek 2225 Comment
  CAS-BOT-BC198027  Linanthus nuttallii subsp. nuttallii Leland S. Smith 1918-7-13 991 Modoc Mill Creek, Nevada Sheep Range. 2133 Comment
  CAS-BOT-BC198029  Linanthus nuttallii subsp. nuttallii Louis Cutter Wheeler 1935-8-5 3789 Modoc Little Lily Lake, Warner Mts. 2286 Comment
  CDA6369  Linaria vulgaris T. C. Fuller 1963-7-16 10910 Modoc Lassen Creek, Sugar Hill Planting, ca. 6 miles southeast of Willow Ranch. 0 Comment
  UC17256  Linum lewisii Mrs. Brandegee Modoc Lassen Creek Comment
  RSA435717  Linum lewisii George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains 1829 Comment
  RSA435718  Linum lewisii Christopher Davidson 1975-6-4 2622 Modoc Ca. 15 mi W. of Alturas on Hwy. 299. 1341 Comment
  CHSC85144  Linum lewisii var. lewisii John Dittes; Josephine Guardino 1991-6-1 359 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
  UC1587055  Lithophragma glabrum G. Schoolcraft 1991-5-15 2137 Modoc w of highway about 6.5 mi n Lookout 1341 Comment
  UC585058  Lithophragma glabrum E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1839 Modoc Summit of Cedar Pass; Warner Mts., summit of Cedar Pass 1920 Comment
  UC402494  Lithophragma parviflorum M. F. Gilman 620 Modoc 1524 Comment
  CAS-BOT-BC225845  Lithophragma tenellum Elmer Ivan Applegate 1932-8-2 8086 Modoc Mill Creek Meadow, Warner Mts. Comment
  UCSB27156  Lithophragma tenellum Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls near Clear Lake, east of Likely Warner Mtns 1767 Comment
  POM64599  Lithospermum californicum Milo S. Baker 1893-6-20 s.n. Modoc [Unspecified] Comment
  UC748463  Lithospermum ruderale Annie M. Alexander and Louise Kellogg 1946-6-10 4724 Modoc <near bottom of slope facing Lower Lake; Lava bench between Lower and Snake Lakes> Comment
  UC1094748  Lithospermum ruderale Francia Chisaki 1956-5-29 864 Modoc 9.8 mi w Cederville; Modoc National Forest Comment
  CAS-BOT-BC21445  Lomatium bicolor var. leptocarpum Margaret J. Williams 1984-6-30 84- 81 -1 Modoc 9.6 mi. from Gerlach-Cedarville road on Parker Creek rd. Comment
  CAS-BOT-BC21446  Lomatium bicolor var. leptocarpum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16386 Modoc 5 mi. E of Hwy 299 (? 395) on Cedar Pass road. Comment
  CAS-BOT-BC21448  Lomatium bicolor var. leptocarpum Francis Dorris Payne 1932-6-10 628 Modoc Parker Creek. 1584 Comment
  CHSC109487  Lomatium bicolor var. leptocarpum L. P. Janeway; B. Castro 2012-7-24 10977 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  CHSC117802  Lomatium bicolor var. leptocarpum L. P. Janeway 2016-5-16 11970 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  RSA323622  Lomatium bicolor var. leptocarpum A. Tiehm 1984-6-30 8838 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1844 Comment
  RSA452580  Lomatium bicolor var. leptocarpum Christopher Davidson 1975-6-4 2598 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  UC748468  Lomatium bicolor var. leptocarpum Annie M. Alexander and Louise Kellogg 1946-6-26 4839 Modoc n. end Warner Mts., Dismal Swamp 2255 Comment
  CAS-BOT-BC21429  Lomatium canbyi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6521 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1560 Comment
  UC1483806  Lomatium canbyi G. Schoolcraft 1980-4-10 205 Modoc near intersection of Hwys 395 and 299 on powerline R/W 1499 Comment
  RSA97159  Lomatium dissectum var. multifidum F. W. Peirson 1926-6-25 6870 Modoc Warner Mountains, road to Cedarville, summit of grade Comment
  CAS-BOT-BC30127  Lomatium foeniculaceum subsp. macdougalii Bruce Bartholomew 1993-6-13 6613 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  CAS-BOT-BC30128  Lomatium foeniculaceum subsp. macdougalii James Vale 1980-6-9 s.n. Modoc Ridge from Stowe Road, Cedar Pass, Warner Mtns. Comment
  CAS-BOT-BC30130  Lomatium grayi var. grayi C. C. (Mrs.) Bruce 1899-6-1 73 Modoc Modoc County. Comment
  NY1092427  Lomatium leptocarpum A. Tiehm 1984-6-30 8838 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1844 Comment
  CAS-BOT-BC30142  Lomatium macrocarpum E. S. Willits 1940-4-27 194 Modoc Davis Creek. 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
  HSC42214  Lomatium nevadense S. Saufferer 1973-5-5 132 Modoc About 7 1/2 mi. S of Pine Creek along Hwy. 395 Comment
  CAS-BOT-BC15753  Lomatium nevadense var. nevadense R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2373 Modoc Goose Lake. Comment
  CAS-BOT-BC15761  Lomatium nevadense var. nevadense Bruce Bartholomew; Barrett Anderson 1989-4-29 4669 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CHSC38985  Lomatium nudicaule J. D. Jokerst 1983-7-12 1839 Modoc East of a large vernal lake that is just south of the junction of Hwy 139 and Loveness Rd. 1478 Comment
  HSC28844  Lomatium nudicaule D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19403 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC20792  Lomatium nudicaule Mrs. R. M. Austin and Bruce June 1898 2287 Modoc Goose Lake Valley 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
  CAS-BOT-BC15727  Lomatium piperi James Vale 1981-5-22 s.n. Modoc Stowe Lake area, Warner Mountains Comment
  CAS-BOT-BC15728  Lomatium piperi Leland S. Smith 1920-7-14 1196 Modoc Grizzleys, Long Meadows 1402 Comment
  CAS-BOT-BC15730  Lomatium piperi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6496 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 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
  CHSC66983  Lomatium triternatum var. macrocarpum James D. Jokerst 1987-5-11 2833 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, dry lake W and adjacent to n end of central sector. 1353 Comment
  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
  UC1246753  Lomatium triternatum var. macrocarpum A. S. Barclay, R. D. Barbee, K. E. Blum and S. D. Koch 1962-7-19 1397 Modoc 17 mi N of Alturas (Hwy 395) 1371 Comment
  CAS-BOT-BC21410  Lomatium triternatum var. triternatum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 84 Modoc Above Parker Creek, 1.5 mi. above Modoc National Forest boundary. Comment
  CAS-BOT-BC181951  Lotus nevadensis var. nevadensis Bruce Bartholomew 1991-7-6 5983 Modoc W side of Egg Lake between lava beds. 1300 Comment
  JEPS114667  Lotus purshianus var. purshianus Lowell Ahart, John Dittes 2008-8-25 15302 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  RSA229216  Lotus unifoliolatus Louis C. Wheeler 1935-9-4 3947 Modoc McGinty Point, Goose Lake. 1463 Comment
  RSA503054  Lotus unifoliolatus Bruce Bartholomew, B. Anderson 1988-6-23 4223 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC181925  Lupinus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10584 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mts. Comment
  CAS-BOT-BC181930  Lupinus Bruce Bartholomew; Barrett Anderson 1988-6-24 4348 Modoc South Barber Creek, 6.3 km SW of County Road 1 on County Road 42, E side of the Warner Mts.. 1790 Comment
  RSA318941  Lupinus Patricia Wilder 1971-6-20 5091 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  CAS-BOT-BC181898  Lupinus arbustus Francis Dorris Payne 1931-6-21 211 Modoc Ridge SW Dry Creek. 1981 Comment
  CAS-BOT-BC181914  Lupinus arbustus Elmer Ivan Applegate 1932-8-1 8059 Modoc S slope of Werren Peak, Warner Mts. Comment
  CAS-BOT-BC181917  Lupinus arbustus Lindsay Stuart Smith; E. H. Steffen 1917-6-10 38 Modoc Jess Valley. 1524 Comment
  JEPS65302  Lupinus arbustus W. L. Jepson 1918-8-6 7841 Modoc Surprise Valley 1447 Comment
  UC748285  Lupinus arbustus Annie M. Alexander and Louise Kellogg 1946-7-17 5004 Modoc near Benton Meadow (Warner Mountains); , near Benton Meadow 2072 Comment
  CAS-BOT-BC181919  Lupinus arbustus Milo Samuel Baker 1893-6-18 Modoc Modoc County. Comment
  UC1481374  Lupinus arbustus Jeffrey Huber 1971-6-3 87 Modoc on Calif. Hwy 299, 5 mi s Canby; s of Canby 1280 Comment
  UC619253  Lupinus arbustus J. and H. W. Grinnell 1938-6-16 1106 Modoc Fort Bidwell and Cow Head Lake; Fort Bidwell and Cow Head Lake 1524 Comment
  POM28177  Lupinus arbustus subsp. calcaratus R. M. Austin, C. C. Bruce 1898-06 2146 Modoc [Unspecified] Comment
  CAS-BOT-BC182181  Lupinus argenteus C. P. Smith 1947-6-13 47453 Modoc 1.1 mi. S of Canby, Highway 299. Comment
  CAS-BOT-BC182195  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  CDA27382  Lupinus argenteus T. C. Fuller 1971-7-14 19901 Modoc North slope above Long Valley, southern Warner Mountains, ca. 8 miles south of Eagleville. 0 Comment
  UCD106685  Lupinus argenteus Craig Ely 1975-7-10 s.n. Modoc 30 miles s.e. of Tulelake. Comment
  SEINET10490484  Lupinus argenteus subsp. argenteus H. P. Bracelin 1931-6-30 Bracelin 500 Modoc Open field at s end of town. Bush 2 ft high; redish purple flower 1524 Comment
  SEINET10870581  Lupinus argenteus subsp. argenteus Duane Isely, I. Isely 1971-7-11 Isely 11374 Modoc Roadside at intersection state 139 and 299. Flowers bright violet; standard Ascending 45 degrees; no basal leaves Comment
  OBI75349  Lupinus argenteus var. argenteus Mrs. H. P. Bracelin 1931-6-30 500 Modoc Alturas 1524 Comment
  RSA78893  Lupinus argenteus var. argenteus E. K. Balls, Percy C. Everett 1952-10-11 18159 Modoc 5.2 miles northwest of junction of Highway 299 and 139, west of Alturas. 1524 Comment
  CAS-BOT-BC182090  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47456 Modoc Highway 395, Davis Creek (town), 6.4 mi. S. Comment
  CAS-BOT-BC182114  Lupinus argenteus var. heteranthus C. L. Hitchcock 1940-5-27 6653 Modoc 9 mi. NE of Alturas. 1402 Comment
  CAS-BOT-BC182116  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1932-7-9 7573 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC182117  Lupinus argenteus var. heteranthus Annie Montague Alexander; L. Kellogg 1946-6-12 4739 Modoc Fandango Pass road. 1706 Comment
  CAS-BOT-BC182119  Lupinus argenteus var. heteranthus C. L. Hitchcock 1940-5-27 6653 Modoc 9 mi. NE of Alturas. 1402 Comment
  CAS-BOT-BC182125  Lupinus argenteus var. heteranthus M. Vasey 1990-6-29 9024 Modoc Cottonwood Flat off County Road 84 between Canby and Happy Camp, Modoc National Forest 1500 Comment
  CHSC67109  Lupinus argenteus var. heteranthus James D. Jokerst 1987-5-15 2881 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, Doublhead Mtn, Rd. ca. 0.25 mi W of junction with N-S road at E edge of project area. 1371 Comment
  NY736938  Lupinus argenteus var. heteranthus Mrs. C. C. Bruce 08 1897 2147 Modoc Lakeshore Comment
  RSA0039533  Lupinus argenteus var. heteranthus Lowell A. Ahart, John Dittes 2012-7-10 18330 Modoc About 300 yards northeast of the old barn, on the sides of the mowed road. Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1075725  Lupinus argenteus var. heteranthus Robert J. Weatherby 1955-7-8 1635 Modoc 3 mi N of Ft. Bidwell; northern Warner Mountains 1554 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
  SEINET10970215  Lupinus argenteus var. tenellus David B. Dunn 1954-9-3 Dunn 11808 Modoc Just N of Timber Mountain turnoff along Hwy 139. Comment
  HSC81085  Lupinus caudatus G. M. Riegel 1980-8-20 1086 Modoc South Warner Mtn. 1670 Comment
  SD46396  Lupinus caudatus Robert J. Weatherby 1955-7-8 1635 Modoc 3.0 miles north of Ft. Bidwell, northern Warner Mountains. 1554 Comment
  SEINET6654725  Lupinus caudatus D. A. Charlet 1989-8-17 564 Modoc Warner Mountains; 1 km wouthwest of Dusenbery Peak, ridge.; 0 2771 Comment
  POM215170  Lupinus johannis-howellii A. H. Rodda 1932-7-1 s.n. Modoc Near Macarthur. Comment
  CAS-BOT-BC181884  Lupinus latifolius Mrs. H. C. Cantelow 1940-6-1 Modoc 12.5 mi E of Alturas. Comment
  CAS-BOT-BC181886  Lupinus latifolius Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16403 Modoc Thoms Creek, 6.1 mi. E of Hwy 299, on Cedar Pass Rd. Comment
  CAS-BOT-BC181887  Lupinus latifolius C. L. Hitchcock 1940-5-27 6664 Modoc 15 mi. NW of Alturas. 1615 Comment
  CAS-BOT-BC181889  Lupinus latifolius Mrs. H. C. Cantelow 1940-6-1 Modoc 12.5 mi E of Alturas. Comment
  HSC14857  Lupinus latifolius subsp. viridifolius M. T. Milligan 1965-6-26 316 Modoc N end Jess Valley. 1616 Comment
  UC201975  Lupinus latifolius var. viridifolius Mrs. M. H. Manning Aug. 1914 Modoc on Cedarville and Alturas Road 8 mi below Summit Warner Mts.; , below Summit on Cedarville and Alturas Rd. Comment
  CAS-BOT-BC181874  Lupinus lepidus var. lobbii Annie Montague Alexander; L. Kellogg 1946-8-9 5133 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC181876  Lupinus lepidus var. lobbii Elmer Ivan Applegate 1932-8-1 8050 Modoc Near summit of Warren Peak, Warner Mts. 2895 Comment
  CAS-BOT-BC181877  Lupinus lepidus var. lobbii Elmer Ivan Applegate 1932-8-1 8051 Modoc Near summit of Warren Peak, Warner Mts. 2895 Comment
  CAS-BOT-BC181879  Lupinus lepidus var. lobbii Bruce Bartholomew 1992-8-8 6364 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  NY747264  Lupinus lepidus var. lobbii B. M. Bartholomew 1990-8-4 5645 Modoc Top of pass on Summit Trail, ca. 0.5 km southeast of Patterson Lake, east side of Warner Mountains 2800 Comment
  CAS-BOT-BC181859  Lupinus lepidus var. sellulus Bruce Bartholomew; Barrett Anderson 1988-5-14 4212 Modoc SW corner of Big Sage Reservoir. 1500 Comment
  CAS-BOT-BC181863  Lupinus lepidus var. sellulus Bruce Bartholomew 1990-6-15 5235 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC181866  Lupinus lepidus var. sellulus John Thomas Howell 1934-7-1 12302 Modoc Duncan Horse Camp. 1355 Comment
  CHSC67110  Lupinus lepidus var. sellulus James D. Jokerst 1987-5-13 2868 Modoc Radar Survey Site S of Doublhead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 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-BC181869  Lupinus lepidus var. sellulus M. M. Hanna 1956-6-7 Modoc Highway 139 Comment
  CAS-BOT-BC181854  Lupinus leucophyllus K. Paulson 1976-7-1 Modoc W of Canby on road to Happy Camp Guard Station. 1524 Comment
  CAS-BOT-BC181856  Lupinus leucophyllus Milo Samuel Baker; Franklin P. Nutting 1894-6-8 Modoc Lava near Egg Lake. Comment
  CAS-BOT-BC181857  Lupinus leucophyllus K. Paulson; Robert Paulson 1988-6-19 43 Modoc Cottonwood Flat. 1524 Comment
  NY747369  Lupinus leucophyllus var. leucophyllus K. Paulson 1988-6-19 43 Modoc Cottonwood Flat 1524 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
  CHSC112051  Lupinus microcarpus var. microcarpus Lowell Ahart; John Dittes 2012-7-11 18342 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  SJSU9583  Lupinus microcarpus var. microcarpus W. Savage 1979-7-4 1343 Modoc Triangel, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC81086  Lupinus polyphyllus subsp. superbus G. M. Riegel 1979-8-24 685 Modoc South Warner Mtn. 2100 Comment
  SEINET7927480  Lupinus polyphyllus var. saxosus R. C. Barneby 1982-5-25 17841 Modoc In W. foothills of Warner Mts. 9 mi. N.-E. of Alturas.; 0 1550 Comment
  RSA60328  Lupinus ruber E. K. Balls 1950-5-10 15965 Modoc 0.5 miles past fork of 395 and road to Cedarville, from Alturas. 1585 Comment
  RSA614441  Lupinus ruber LeRoy E. Detling 1948-5-24 6253 Modoc Pit River 1463 Comment
  CAS-BOT-BC181811  Lupinus saxosus E. H. Steffen 1917-6-10 41 Modoc Jess Valley 1524 Comment
  UC1129699  Lupinus saxosus R. C. Wilson 1933-5-25 29 Modoc 1 mi sw Hanging Rock; Modoc National Forest, Canby Quad. Comment
  SEINET10486205  Lupinus saxosus James P. Smith, John O. Sawyer 1972-5-6 Smith, Jr. 5274 Modoc Along state route 299; 4 mi w of modoc co rd 58 e of alturas. Northern juniper Woodland. 1494 Comment
  SEINET10486213  Lupinus saxosus Billy Joe Cox, David B. Dunn; Lewis S. Fleak 1970-6-8 Cox 1956 Modoc 6 mi n of alturas at jct. Of u.s. Hwy. 395/299 With cedarville road, arid Grassland with scattered juniper; rocky basalt. 1463 Comment
  SJSU13957  Lupinus saxosus N. A. Hopkins 1985-5-14 1274 Modoc between Alturas & Cedarville, Warner Mts 1524 Comment
  HSC26002  Lupinus subvexus var. subvexus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19390 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  RSA325721  Lupinus subvexus var. subvexus A. Tiehm 8833 Modoc North edge of Lake Annie on the west side of Bidwell Mt., NE of Ft. Bidwell. 1530 Comment
  SEINET10490264  Lupinus subvexus var. transmontanus Billy Joe Cox 1971-6-3 Cox 2609 Modoc 6 mi n of alturas on us hwy 395, w facing slope in middle of grassland pasture. Edging into artemesia which adjoins juniper woodland. Lupinus sp in very Dense populations on every slope for over a mile north, more or less a valley Side in decomposing basalt with lighter soil above. 1341 Comment
  CAS-BOT-BC245409  Lycium barbarum H. B. Leech 1966-8-27 Modoc Leonard Hot Springs, ca. 10 mi. NE of Cedarville. Comment
  RSA29709  Lycium barbarum Louis C. Wheeler 1935-10-10 4033 Modoc Alturas. 1357 Comment
  SDSU7292  Lycopus asper D. F. Howe 1966-7-26 4304 Modoc 1.3 miles north of Lassen-Modoc Co. line, east of Warner Mts., Modoc Co. 1341 Comment
  CHSC112827  Lythrum tribracteatum Lowell Ahart; John Dittes 2013-7-24 18914 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  JEPS117243  Lythrum tribracteatum 2010-8-30 17055 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley 1268 Comment
  RSA0016026  Lythrum tribracteatum L. Ahart, John Dittes 2010-8-30 17055 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  UCD169851  Lythrum tribracteatum Lowell Ahart; John Dittes 2010-8-30 17055 Modoc Ash Creek State Wildlife Area, 2,300 feet north of the Lassen County Line, about 3.6 miles(air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. North side of a small wash, about 10 yards west of the fence, south edge of the meadow, 1267 Comment
  RSA0016027  Lythrum tribracteatum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39099 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  RSA14503  Machaeranthera canescens var. shastensis Elmer I. Applegate 1923-3-17 3341 Modoc Dry Lake southeast of Tule Lake Comment
  POM54288  Madia elegans subsp. elegans Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC49436  Madia exigua John Thomas Howell 1934-7-1 12325 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  CAS-BOT-BC49403  Madia glomerata John Thomas Howell 1934-7-3 12375 Modoc 5 mi. S of Hackamore. Comment
  CDA13462  Madia glomerata G. F. Hrusa, T. D. Wilfred 1996-7-21 13309 Modoc Modoc Plateau; Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  CAS-BOT-BC49412  Madia gracilis John Thomas Howell 1934-6-16 12205 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC49419  Madia gracilis Bruce Bartholomew 1990-6-15 5210 Modoc Kelly Spring, 5.5 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  UC711828  Madia gracilis Roxana S. Ferris and Laura Lorraine 1941-8-13 10525 Modoc e Creek drainage Patterson Ranger Station; Modoc National Forest, Warner Mountains 2164 Comment
  RSA540059  Madia gracilis subsp. gracilis Bruce Bartholomew 1990-6-15 5210 Modoc Kelly Spring, 5.5 km south-southeast of Highway 299 on road from Rush Creek 1640 Comment
  NY500377  Mahonia repens L. C. Wheeler 1935-8-14 3838 Modoc Pine Creek, Warner Mountains 2011.7 Comment
  POM228992  Mahonia repens L. C. Wheeler 1935-8-14 3838 Modoc Pine Creek. Warner Mtns. 2011 Comment
  RSA210805  Maianthemum stellatum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39126 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  RSA628299  Malva neglecta Louis C. Wheeler 1973-8-26 s.n. Modoc Warner Mountains: Intersection of stream below Van Riper Spring with road to Sworinger Reservoir. 1829 Comment
  UC1099807  Marsilea Herbert L. Mason and Verne Grant 1947-7-10 13350 Modoc 2 mi e Alturas (Dorris Reservoir) Comment
  UC803938  Marsilea oligospora G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-7 4013 Modoc 35 mi s Tule Lake (Mud Lake) 1524 Comment
  RSA639345  Marsilea oligospora L. C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil s Garden. 1524 Comment
  CAS-BOT-BC497328  Marsilea vestita John Thomas Howell 1934-6-15 12194 Modoc Davis Reservoir, 2 mi E of Alturas Comment
  POM173659  Marsilea vestita Milo S. Baker 1893-7-20 s.n. Modoc Big Valley Comment
  JEPS126541  Matricaria occidentalis Lowell Ahart, John Dittes 2016-6-6 20961 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC247626  Melica bulbosa John H. Hatton 1911-6-9 5 Modoc unspecified Comment
  HSC1664  Melica bulbosa M. T. Milligan 1965-7-10 424 Modoc West slope of Eagle Peak 2439 Comment
  HSC80847  Melica stricta G. M. Riegel 1980-8-28 1122 Modoc S Warner Mtns. 1739 Comment
  SEINET10737674  Melilotus officinalis Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 928 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  CAS-BOT-BC179863  Mentha arvensis Bruce Bartholomew 1989-8-11 5056 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  CAS-BOT-BC179866  Mentha arvensis Verne Grant; I. Schneider 1947-7-18 8050 Modoc Eastside canal, 5 mi. N of Bayley's bridge, S of Alturas. Comment
  CHSC112763  Mentha arvensis Lowell Ahart; John Dittes 2013-7-24 18939 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  JEPS117503  Mentha arvensis Lowell Ahart, John Dittes 2010-8-31 17114 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  UC1191908  Mentha canadensis Herbert L. Mason 1947-8-12 13505 Modoc junction of North and South Forks of Pit River Alturas; jct of North and South Forks of Pit River Comment
  CAS-BOT-BC179859  Mentha spicata Bruce Bartholomew 1992-8-10 6402 Modoc Rush Creek just N of Round Valley on Highway 299. 1350 Comment
  HSC15844  Mentzelia albicaulis M. T. Milligan 1965-7-1 404 Modoc Plateau W of Jess Valley. 1829 Comment
  POM126628  Mentzelia albicaulis M. French Gilman 567 Modoc Dry slopes. 1677 Comment
  CAS-BOT-BC179132  Mentzelia dispersa R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2368 Modoc Goose Lake. Comment
  CAS-BOT-BC179144  Mentzelia dispersa Bruce Bartholomew; Barrett Anderson 1988-6-23 4266 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC179147  Mentzelia dispersa Bruce Bartholomew 1991-6-20 5786 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  CDA13458  Mentzelia dispersa G. F. Hrusa, T. D. Wilfred 1996-7-21 13305 Modoc Modoc Plateau; Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC19573  Mentzelia dispersa Mrs. R. M. Austin and Bruce July 1898 2367 Modoc Goose Lake Comment
  CAS-BOT-BC179149  Mentzelia dispersa Mrs. H. C. Cantelow 1940-6-1 3995 Modoc E of Alturas, road to Warner Mts. Comment
  POM84013  Mentzelia dispersa R. M. Austin 517 Modoc Willow Creek. Comment
  RSA261004  Mentzelia montana Alice Eastwood 1940-6-14 8254 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  CAS-BOT-BC54041  Mertensia ciliata Bruce Bartholomew; Barrett Anderson 1989-6-2 4794 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  NY1084204  Mertensia cusickii A. J. Cronquist 1959-6-19 8502 Modoc Overlooking Mill Creek a little above Clear lake; Warner Mountains 15 miles east of Likely 1981 Comment
  CAS-BOT-BC54002  Mertensia longiflora Bruce Bartholomew; Barrett Anderson 1988-5-13 4153 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  CAS-BOT-BC54009  Mertensia oblongifolia var. amoena Milo Samuel Baker 1893-8-1 s.n. Modoc Craigs. Comment
  CAS-BOT-BC54013  Mertensia oblongifolia var. amoena Betty J. Hammerly 1941-6-20 30 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC58779  Mertensia oblongifolia var. oblongifolia C. L. Hitchcock 1940-5-27 6663 Modoc 12 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC49356  Microseris nutans Annie Montague Alexander; L. Kellogg 1946-7-17 5003 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC49360  Microseris nutans Clare Butterworth Hardham 1961-6-18 7590 Modoc Cedar Pass. 1828 Comment
  CAS-BOT-BC49393  Microseris nutans Bruce Bartholomew; Mona Bourell 1990-4-28 5208 Modoc 4.3 km SE of Rush Creek on road to Hunters Ridge. 1550 Comment
  UC748133  Microseris nutans Annie M. Alexander and Louise Kellogg 1946-7-17 5003 Modoc Benton Meadow Warner Mountains 2072 Comment
  HSC6028  Microseris nutans M. T. Milligan 1965-6-27 364 Modoc 1677 Comment
  UC35775  Microseris nutans M. S. Baker and Frank Nutting 1894-6-20 Modoc Whitehorse Lake Comment
  CAS-BOT-BC197913  Microsteris gracilis Annie Montague Alexander; L. Kellogg 1946-6-12 4729 Modoc Fort Bidwell. 1444 Comment
  CAS-BOT-BC197914  Microsteris gracilis Fred D. Douthitt 1916-5-17 29 Modoc Flournoy Swale. 1828 Comment
  CAS-BOT-BC197917  Microsteris gracilis Bruce Bartholomew 1992-5-17 6341 Modoc S side of White Horse Flat Reservoir in the vicinity of McArthur Cow Camp. 1390 Comment
  RSA152448  Microsteris gracilis subsp. gracilis I. L. Wiggins, Dorothy Wiggins 1961-6-13 16452 Modoc Wet meadow at southern outskirts of Fort Bidwell Comment
  UCD149974  Mimulus bigelovii Harry George 1967-6-15 s.n. Modoc West of Lookout. Comment
  JEPS127288  Mimulus breviflorus Lowell Ahart, John Dittes 2016-7-14 21183 -A Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  UC69690  Mimulus breweri Mrs. M. H. Manning 1903-8-21 315 Modoc Mt. Bidwell 1981 Comment
  UC71617  Mimulus breweri Mrs. M. H. Manning Modoc Mt. Bidwell Comment
  UC125255  Mimulus breweri Mrs. R. M. Austin Sept. 1894 Modoc Cedarville Canyon Comment
  UC445163  Mimulus nanus var. jepsonii Franklin P. Nutting 1893-6-8 Modoc near Egg Lake Comment
  HSC20816  Mimulus nanus var. nanus M. T. Milligan 1967-7-8 666 Modoc W slope of Eagle Peak 2378 Comment
  RSA186209  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek, Warner Mountains. 1524 Comment
  JEPS4012  Mimulus nanus var. nanus Mary H. Manning 1914-4-29 Modoc near Lake City (Lake City Road, by Rice's Ranch) Comment
  UCSB23723  Mimulus nanus var. nanus Hardham, Clare 1961-6-19 Modoc Cogswell Creek; Warner Mountains 1524 Comment
  RSA535784  Mimulus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, S end between Kramer Reservoir and White Horse Lookout road along intermittent stream, 2.3 miles W of railroad crossing. 1330 Comment
  UC26856  Mimulus tricolor M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  RSA594829  Minuartia douglasii Bruce Bartholomew 1993-6-12 6585 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  JEPS27121  Minuartia nuttallii subsp. gregaria Lauramay T. Dempster 1961-6-20 1714 Modoc ridge just n junction of Dismal Creek Road with Fort Bidwell Road; Warner Mountains 2346 Comment
  CAS-BOT-BC225804  Mitella pentandra Bruce Bartholomew 1989-8-12 5114 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  CAS-BOT-BC225807  Mitella pentandra Bruce Bartholomew 1995-6-23 6999 Modoc 2.4 km N of Forest Road 30 on road from Hall Meadow to Plume Valley Camp Ground. 1770 Comment
  CAS-BOT-BC225809  Mitella pentandra Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16489 Modoc 6.4 mi. S of LKassen Creek campground, on road to Buck Mountain, Warner Mts. Comment
  UC7700  Mollugo verticillata W. H. Brewer August, 1862 1338 Modoc Eagle Creek Canyon, Hubbard's Ranch, Camp 94 Eagle Creek Canyon; , Hubbard's Ranch, Camp 94 Comment
  SFV18058  Monardella odoratissima J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc 1 mile east of Siskiyou county line along Lava Beds National Monumemt Road. 1310 Comment
  RSA504662  Monardella odoratissima Bruce Bartholomew 1988-7-23 4554 Modoc Road beyond Poison Lake 8km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2140 Comment
  CAS-BOT-BC179853  Monardella odoratissima subsp. glauca Mona Bourell; Robert Patterson 1993-8-15 5254 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC222026  Monardella odoratissima subsp. glauca Marion Ownbey; Fred G. Meyer 1940-7-1 2150 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC179854  Monardella odoratissima subsp. glauca Clare Butterworth Hardham 1972-7-14 18656 Modoc Warner Mountains. 2590 Comment
  CAS-BOT-BC179857  Monardella odoratissima subsp. glauca Leland S. Smith 1918-8-18 1046 Modoc Ridge above Emerson. Eagle and Bear. 2438 Comment
  UC412639  Montia chamissoi Franklin P. Nutting Modoc near Egg Lake Comment
  UC932076  Montia chamissoi Verne Grant, Alva Grant 1947-7-11 8010 Modoc Thoms Creek near forest service camp site on road from Alturas to Cedar Pass; Warner Mountains, Thoms Creek Comment
  JEPS118264  Montia dichotoma Lowell Ahart, John Dittes 2011-6-22 17551 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 Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  CAS-BOT-BC197509  Montia fontana Alice Eastwood; John Thomas Howell 1940-6-13 8194 Modoc W side of Cedar Pass. Comment
  UC71836  Montia fontana Mrs. M. H. Manning May, 1903 116 Modoc Spring near Fort Bidwell (in north-eastern Modoc County) Comment
  CAS-BOT-BC197506  Montia linearis Bruce Bartholomew; Barrett Anderson 1989-4-30 4715 Modoc Along Ralston Gulch, 2.4 km S of Caldwell Road (Co. road 54). 1450 Comment
  CAS-BOT-BC197545  Montia linearis Bruce Bartholomew; Barrett Anderson 1989-4-27 4614 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC197550  Montia linearis Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6518 Modoc Ca. 1 km W of Aden on road to Lookout. 1280 Comment
  UC748280  Montia linearis Annie M. Alexander and Louise Kellogg 1946-6-14 4755 Modoc Silver Creek branch of Patterson Mill Road 1828 Comment
  CAS-BOT-BC197503  Montia linearis Mrs. H. C. Cantelow 1940-6-2 4199 Modoc NW of Canby. Road to Lava Beds. Comment
  SEINET4925043  Montia linearis K. L. Chambers, P. Dorris 1963-5-4 2019 Modoc Hwy. 139, ca. 20 mi. s. of Tulelake Comment
  SEINET10960336  Muhlenbergia asperifolia Louis C. Wheeler 1935-9-4 Wheeler 3948 Modoc Dry sunny rock crevices in old beach. McGinty Point, Goose Lake. 1463 Comment
  JEPS69319  Muhlenbergia filiformis Leland S. Smith 1918-1 Modoc Comment
  POM264578  Muhlenbergia richardsonis A. A. Beetle 1941-6-29 2836 Modoc Near summit of Mt. Adin 1829 Comment
  CAS-BOT-BC58781  Myosotis scorpioides Annie Montague Alexander; L. Kellogg 1946-6-28 4866 Modoc Pine Creek Canyon, Warner Mountains 1615 Comment
  UC1731496  Myosurus apetalus Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12530 Modoc just above western rim of Black Canyon (0.5 mi downstream of Duncan Reservoir, in creek draining the reservoir, Modoc Plateau); Modoc Plateau 1524 Comment
  UC1101354  Myosurus apetalus Herbert L. Mason 1957-6-21 14704 Modoc w side of Said Valley Comment
  OBI48062  Myosurus apetalus var. borealis Rhonda Riggins 1989-4-28 1671 Modoc 6.9 mi N of hwy 395 E of Alturas on rd to Raker and Thomas Reservoir (continuation of Pencil Rd) 1524 Comment
  CAS-BOT-BC217294  Myosurus minimus Bruce Bartholomew 1993-6-14 6675 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  CAS-BOT-BC217297  Myosurus minimus Bruce Bartholomew; Barrett Anderson 1989-4-28 4654 Modoc 11 km N of State Highway 299 and ca. 1 km S of Raker & Thomas Reservoir. 1500 Comment
  HSC6876  Nasturtium officinale M. T. Milligan 1966-7-1 521 Modoc N end of Jess Valley. 1616 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-BC198024  Navarretia breweri Robert Patterson; Mona Bourell 1993-8-15 5243 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UC526151  Navarretia breweri John Thomas Howell 1934-6-12 11988 Modoc 9 mi s Davis Creek Comment
  HSC17135  Navarretia breweri M. T. Milligan 1964-6-20 69 Modoc 4 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  CAS-BOT-BC197995  Navarretia heterandra Lewis Samuel Rose 1940-6-15 40589 Modoc 7 mi. N of Lookout. Comment
  JEPS124354  Navarretia intertexta subsp. intertexta Lowell Ahart, John Dittes 2015-7-16 20380 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-BC197981  Navarretia intertexta subsp. propinqua Alice Eastwood; John Thomas Howell 1940-6-13 8131 Modoc W side of Fandango Pass. Comment
  UC1178896  Navarretia intertexta subsp. propinqua Herbert L. Mason 1947-7-8 13315 Modoc Cedar Pass, summit of Warner Range Warner Range 1920 Comment
  JEPS70412  Navarretia intertexta subsp. propinqua Frances D. Payne 1929-6-29 33 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  POM129405  Navarretia intertexta subsp. propinqua M. French Gilman 650 Modoc Modoc Co. Mts 1677 Comment
  SJSU9551  Navarretia leptalea W. Savage 1979-7-3 1285 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC197971  Navarretia leucocephala subsp. leucocephala Bruce Bartholomew 1991-6-23 5871 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  HSC75906  Navarretia leucocephala subsp. minima D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19395 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  SEINET14152015  Navarretia leucocephala subsp. minima M. J. Williams 1984-6-28 84- 66 -2 Modoc 0.2 mi E of Hwy 395 at Ravendale. 1524 Comment
  SEINET10458448  Nemacladus rigidus Plummer PLUMMER s.n. Modoc Near Donner Lake Comment
  CAS-BOT-BC179310  Nemophila breviflora Annie Montague Alexander; L. Kellogg 1946-6-15 4775 Modoc Deep Creek. 2133 Comment
  JEPS100953  Nemophila breviflora Dean Wm. Taylor with Glenn L. Clifton 1990-6-25 11167 Modoc Cedar Pass, growing on steep cliffs of volcanic breccia, northerly slopes of Peak 7298 2148 Comment
  UC1021924  Nemophila breviflora Rolf Y. Berg 1955-6-22 Modoc w Cedarville (Cedar Pass Campground, Modoc National Forest); Modoc National Forest, w of Cedarville 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-BC179281  Nemophila pedunculata John Thomas Howell 1932-6-12 12018 Modoc Plum Valley. Comment
  CAS-BOT-BC179295  Nemophila pedunculata Alice Eastwood; John Thomas Howell 1940-6-13 8193 Modoc W side of Cedar Pass. 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
  UC24288  Nemophila pedunculata Milo S. Baker Modoc Pine Creek Comment
  CAS-BOT-BC349857  Nestotus stenophyllus Mrs. C. C. Bruce 1898-6-1 2184 Modoc Lake City Mt Comment
  HSC26499  Nestotus stenophyllus J. P. Smith, J. O. Sawyer 1972-5-6 5273 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  CHSC100433  Nicotiana attenuata Lowell Ahart; John Dittes 2008-8-25 15319 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  JEPS121204  Nicotiana attenuata Lowell Ahart, John Dittes 2013-7-25 18970 Modoc Elkins Lane, Ash Creek Wildlife Area, 320 feet N of Lassen County line, about 4.4 air miles W of Adin, about 7.2 air miles NE of Bieber, Big Valley. Comment
  RSA183177  Nicotiana attenuata Delzie Demaree 1959-8-15 41473 Modoc Howard Gulch Public Campground. P.O. Canby. Comment
  UC103909  Nicotiana attenuata Mrs. R. M. Austin Jul 1894 97 Modoc Chalk Grade Pit River (Pit River) Comment
  CAS-BOT-BC349919  Nothocalais troximoides Lillian Mott 1976-5-29 7 LM76 Modoc Devils Garden, north of Alturas 1402 Comment
  RSA0013785  Nuphar lutea subsp. polysepala L. C. Wheeler 1935-8-14 3846 Modoc Lily Lake, Pine Creek, Warner Mts. 2073 Comment
  CAS-BOT-BC190803  Oenothera elata subsp. hirsutissima Bruce Bartholomew 1995-8-1 7143 Modoc 4.5 km N of Davis Creek on U.S. Hwy 395. 1450 Comment
  POM38740  Oenothera elata subsp. hirsutissima R. M. Austin 1895-07 163 Modoc Davis Creek Comment
  HSC16544  Oenothera villosa subsp. strigosa M. T. Milligan 1964-8-9 226 Modoc Clear Lake Rd., 0.5 mi. W of Mill Creek, Jess Valley 1677 Comment
  RSA520435  Olsynium douglasii Bruce Bartholomew, M. Bourell 1990-4-28 5197 Modoc 4.5 km southeast of Davis Creek on road to Plum Valley camp ground 1730 Comment
  UCD134667  Onopordum acanthium T. C. Fuller 1959-7-8 B Modoc south side of 4th Street, east of East Street, Alturas. Comment
  UCD134668  Onopordum acanthium T. C. Fuller 1959-7-8 A Modoc south side of 4th street, east of East Street, Alturas. Comment
  CAS-BOT-BC49374  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1959-7-8 2795 Modoc Alturas. Comment
  UCD88279  Orcuttia tenuis R. Preston 2000-7-17 1392 Modoc ca. 9.5 miles NW of Canby, on N side of Highway 139, 3.2 miles E of Forest Service Road 44N11. 300 feet E of outfall of large seasonal lake. 1487 Comment
  CAS-BOT-BC95699  Orthilia secunda Bruce Bartholomew 1991-10-13 6119 Modoc Stream just above Cave Lake, W side of Warner Mts. 1990 Comment
  CHSC70481  Orthocarpus cuspidatus subsp. cryptanthus A. Sanger 1996-7-12 2409 Modoc S of Paynes Peak, in bench below tower. 2182 Comment
  UC673450  Orthocarpus cuspidatus subsp. cryptanthus F. H. Frost 1925-7-25 Modoc Eagle Peak; Warner Mts., Eagle Peak Comment
  JEPS9434  Orthocarpus cuspidatus subsp. cryptanthus Mary H. Manning 1907-1 712 a Modoc e side Mt. Bidwell (on Twelve-mile Creek); Mt. Bidwell (e side), on Twelve-mile Creek Comment
  UC748086  Orthocarpus cuspidatus subsp. cryptanthus Annie M. Alexander and Louise Kellogg 1946-7-22 5036 Modoc Patterson Mill Road; Warner Mountains, Patterson Mill Road 2209 Comment
  CAS-BOT-BC15742  Osmorhiza chilensis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 81 Modoc 1.5 mi. from Modoc National Forest boundary. Comment
  CAS-BOT-BC15701  Osmorhiza occidentalis Francis Dorris Payne 1932-7-1 661 Modoc Pine Creek Basin. 2316 Comment
  CAS-BOT-BC15749  Osmorhiza occidentalis John Thomas Howell 1934-6-11 11948 Modoc Parker Creek. 1584 Comment
  HSC21591  Osmorhiza occidentalis M. T. Milligan 1966-7-3 548 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  UC748406  Osmorhiza occidentalis Annie M. Alexander and Louise Kellogg 1946-6-30 4875 Modoc Highgrade Warner Mountains (w side of ridge, n end of mts.) 2377 Comment
  CAS-BOT-BC218102  Oxyria digyna Bruce Bartholomew 1992-8-8 6377 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  CAS-BOT-BC50301  Packera cana Bruce Bartholomew 1990-6-17 5357 Modoc 11.3 km N of Buck Creek Ranger Station, a crest of the Warner Mountains. 2130 Comment
  CHSC109210  Packera cana L. P. Janeway; B. Castro 2012-7-24 10966 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  UC748191  Packera cana Annie M. Alexander and Louise Kellogg 1946-7-23 5044 Modoc e slope Emerson Peak; Warner Mountains, e slope Emerson Peak Comment
  HSC28870  Packera eurycephala D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19363 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  SEINET11744641 Image available Packera eurycephala M. J. Williams 1984-6-30 84- 83 -1 Modoc 16.3 mi on Parker Creek road, paved road to Cedar Pass road 1.5 mi 1524 Comment
  CAS-BOT-BC50277  Packera eurycephala var. eurycephala John Thomas Howell 1934-6-11 11915 A Modoc Parker Creek. 1584 Comment
  JEPS37285  Packera eurycephala var. eurycephala N. T. Mirov 1928-6-28 Modoc Fandango Valley Warner Mountains 1584 Comment
  UC71847  Paeonia brownii Mrs. M. H. Manning May, 1903 106 Modoc meadows near Fort Bidwell (ne Modoc Co.) Comment
  JEPS52292  Paeonia brownii Wayne Roderick 1963-6-9 Modoc about 1/2 mi above campground on east side of pass; Cedar Pass 1981 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
  UC1037261  Panicum capillare Leo Whitney 1935-8-24 102 Modoc near Alturas (McArthurs Ranch); McArthurs Ranch Comment
  UCD89553  Panicum capillare Leo Whitney Date unknown 2246 Modoc Hacakmore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  RSA551269  Parnassia fimbriata Bruce Bartholomew 1992-8-9 6384 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  POM203786  Pedicularis groenlandica J. T. Howell 1934-6-14 12140 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC245198  Pedicularis semibarbata Bruce Bartholomew 1995-7-31 7091 Modoc Lodgepole pine forest E of Bald Mountain, E side of the Warner Mts. 2220 Comment
  UC748085  Pedicularis semibarbata Annie M. Alexander and Louise Kellogg 1946-8-8 5120 Modoc near summit of Deep Creek; Warner Mountains Comment
  CAS-BOT-BC30195  Pellaea breweri Gregg M. Riegel 1980-7-31 928 Modoc South Warner Mountains Comment
  RSA11917  Penstemon davidsonii subsp. davidsonii Elmer I. Applegate 1932-7-9 7618 Modoc Bidwell Mountain, Warner Mountains. Comment
  CAS-BOT-BC232344  Penstemon davidsonii var. davidsonii Bruce Bartholomew 1992-8-8 6374 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  CAS-BOT-BC232346  Penstemon davidsonii var. davidsonii Annie Montague Alexander; L. Kellogg 1946-7-1 4890 Modoc 0.5 mi. E of summit Bidwell Creek road. Comment
  CAS-BOT-BC232349  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-8-5 8172 A Modoc Cedar Mountain, Warner Mountains Comment
  JEPS29105  Penstemon davidsonii var. davidsonii Lauramay T. Dempster 1961-6-20 1715 Modoc ridge just north of junction of Dismal Creek Road with Fort Bidwell Road; Warner Mts. 2346 Comment
  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
  JEPS123496  Penstemon deustus Wilson Collison, Jaileen Merced 2015-7-25 CA 320 -140 Modoc To Road 54 SW from Alturas town, take dirt road on the left before Canyon (4783). Keep straight 4 mi up to dry pit. Comment
  UC748177  Penstemon deustus Annie M. Alexander and Louise Kellogg 1946-6-28 4868 Modoc Pine Creek Canyon , Pine Creek Canyon (n end of Warner Mountains) 1615 Comment
  RSA531335  Penstemon deustus subsp. heterander Bruce Bartholomew 1990-6-15 5223 Modoc SW side of Deer Spring Ridge near the border with Lassen Co. 1720 Comment
  NY591813  Penstemon deustus var. pedicellatus B. M. Bartholomew 1988-6-23 4256 Modoc 1.8 km WSW of Day on County Road 94. Fall River Mills 15' Quad. 1170 Comment
  CAS-BOT-BC245540  Penstemon gracilentus Leland S. Smith 1918-6-22 951 Modoc Lily Lake. 2042 Comment
  UC566680  Penstemon gracilentus F. H. Frost 1925-7-25 156 Modoc Eagle Peak Warner Mountains, Eagle Peak Comment
  RSA504843  Penstemon gracilentus Bruce Bartholomew, B. Anderson 1988-7-21 4472 Modoc Vicinity of Patterson Campground, Southern end of the Warner Mountains. 668 Comment
  UCD149975  Penstemon gracilentus Harry George 1967-6-15 s.n. Modoc Egg Lake. Comment
  CAS-BOT-BC245518  Penstemon janishiae J. Vale; K. Wagnon; W. Kngith; Irja Knight 1981-5-21 4119 Modoc Crowder Flat Road, half way between Hwy 299 and Devils Garden. 1371 Comment
  SEINET11053001  Penstemon laetus subsp. roezlii Margaret J. Williams, A. Tiehm; J. Nachlinger 1988-6-2 88- 28 -7 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  CAS-BOT-BC245512  Penstemon laetus var. sagittatus Bruce Bartholomew 1993-6-14 6651 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  HSC21011  Penstemon roezlii M. T. Milligan 1964-6-6 14 Modoc N side of Dorris Reservoir along shore 1372 Comment
  UC1540239  Penstemon roezlii Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9109 Modoc headwaters of upper South Deep Creek Warner Mountains, upper South Deep Creek 2194 Comment
  NY650097  Penstemon roezlii M. J. Williams 1988-5-30 8826- 7 Modoc Jess Valley, east of Likely, south of southeast rest 1524.0 Comment
  NY650113  Penstemon roezlii F. W. Pennell 1940-6-7 25734 Modoc Upper valley of Rush Creek, northeast of Adin 1585.0 Comment
  SEINET194804  Penstemon roezlii A. A. Heller 1941-6-25 16200 Modoc Plain W of the ascent to Cedar Pass Comment
  NY650945  Penstemon rydbergii var. oreocharis A. J. Cronquist 1959-6-19 8511 Modoc Near the shore of Clear Lake; Warner Mountains, 15 miles east of Likely. 1828.8 Comment
  UC748181  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-12 4728 Modoc Fort Bidwell Fort Bidwell (in meadow) 1444 Comment
  UC71748  Penstemon rydbergii var. oreocharis Mrs. M. H. Manning Jul 1903 214 Modoc Tamarack Flat Mt. Bidwell, Tamarack Flat (Mt. Bidwell, ne Modoc County) 2133 Comment
  CAS-BOT-BC245565  Penstemon speciosus Alice Eastwood; John Thomas Howell 1940-6-12 8094 Modoc Jess Valley. Comment
  CAS-BOT-BC248310  Penstemon speciosus B. Bartholomew; H. Sun 2002-6-24 8851 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  RSA78912  Penstemon speciosus E. K. Balls, Percy C. Everett 1952-10-10 18153 Modoc 0.5 mi below South Fork Public Camp, 7.5 mi E of Likely on road to Jess Valley. 1524 Comment
  UC27471  Penstemon speciosus Mrs. R. M. Austin and Bruce June 1898 2360 Modoc Hillside Comment
  UC726127  Penstemon speciosus A. A. Heller 1941-6-25 16204 Modoc on the Cedarville Road steep slope just below the beginning of the ascent to Cedar Pass 1935 Comment
  POM253371  Peraphyllum ramosissimum A. A. Heller 1938-6-24 15228 Modoc Occasional clumps in gravel on slopes between Alturas and Canby. 1341 Comment
  UC711870  Perideridia bolanderi subsp. bolanderi Roxana S. Ferris and Laura Lorraine 1941-8-14 10581 Modoc 3 mi from Patterson Ranger Station (on road to Eagleville); Modoc National Forest, Warner Mountains Comment
  HSC21603  Perideridia gairdneri subsp. gairdneri M. T. Milligan 1966-8-3 625 Modoc W slope of Eagle Peak 2439 Comment
  UC1390004  Perideridia oregana A. S. Barclay, R. D. Barbee, K. E. Blum and S. D. Koch 1962-7-19 1399 Modoc on US Hwy 395 18 mi n Alturas 1371 Comment
  HSC12269  Persicaria amphibia Richard Spjut 1970-7-20 488 Modoc 4 mi. W of Davis Creek 1418 Comment
  JEPS124358  Persicaria maculosa Lowell Ahart, John Dittes 2015-7-16 20375 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  SJSU11217  Phacelia hastata J. W. Tilden 1958-6-25 1266 Modoc near Monument Hdqtrs, Lava Beds National Monument Comment
  CAS-BOT-BC179271  Phacelia hastata subsp. hastata John Thomas Howell 1934-6-16 12217 Modoc 2 mi. NE of Canby. Comment
  SD130515  Phacelia hastata subsp. hastata B. Bartholomew, B. Anderson 1988-7-21 4451 Modoc vicinity of Patterson Campground, southern end of the Warner Mts. Emerson Peak. Sierran montane forest 2190 Comment
  CAS-BOT-BC180014  Phacelia heterophylla subsp. virgata Gordon H. True 1964-6-3 1446 Modoc Surprise Valley, ca. 10 Mi. N of Cedarville. 1463 Comment
  CAS-BOT-BC180016  Phacelia heterophylla subsp. virgata Lawrence Ray Heckard 1952-6-19 311 Modoc Slope above Cedar Pass. 2011 Comment
  CAS-BOT-BC180017  Phacelia heterophylla subsp. virgata John Thomas Howell 1934-6-11 11911 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC180019  Phacelia heterophylla subsp. virgata Lawrence Ray Heckard 1952-6-19 312 Modoc Just below summit of Fandango Pass. 1828 Comment
  HSC13664  Phacelia heterophylla subsp. virgata M. T. Milligan 1966-6-19 470 Modoc E slope of eroded volcanic plateau 1677 Comment
  HSC13666  Phacelia heterophylla subsp. virgata M. T. Milligan 1964-6-20 72 Modoc 1 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  UC1051772  Phacelia heterophylla subsp. virgata L. R. Heckard 1952-6-19 311 Modoc slopes above Cedarville Pass (ne of Alturas on road to Cedarville); Warner Mountains 2011 Comment
  UC735037  Phacelia humilis Lincoln Constance 1946-7-4 3102 Modoc above Thom's Creek (17 mi ne of Alturas); Warner Mountains 1676 Comment
  JEPS13887  Phacelia humilis Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3748 Modoc about 200 ft above and s Cedar Pass; Warner Mountains 1981 Comment
  SBBG15881  Phacelia humilis H. and M. Dearing 1939-6-7 3583 Modoc E of Alturas on Cedarville Rd Comment
  CAS-BOT-BC179981  Phacelia humilis var. humilis M. Vasey 1990-6-29 9017 Modoc Trail to summit above N Emerson Lake. 2651 Comment
  CAS-BOT-BC179995  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1988-6-11 29 Modoc N of Stough Reservoir, Warner Mts.. 1706 Comment
  CAS-BOT-BC248337  Phacelia humilis var. humilis B. Bartholomew; H. Sun 2002-6-24 8811 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  SD130516  Phacelia humilis var. humilis B. Bartholomew, B. Anderson 1988-7-22 4478 Modoc East Creek Trailhead, southern end of the Warner Mts., Emerson Peak. Sierran Montane forest. 2210 Comment
  CAS-BOT-BC179971  Phacelia inundata Dean W. Taylor; et al 1987-8-9 9271 Modoc Dry Lake. 1341 Comment
  CHSC67113  Phacelia inundata James D. Jokerst 1987-5-12 2852 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  CAS-BOT-BC179961  Phacelia linearis Bruce Bartholomew; Barrett Anderson 1989-6-3 4853 Modoc Timber Mountain, ca. 30 km N of State Hwy 299 on Crowder Flat Road. 1550 Comment
  POM127626  Phacelia linearis Milo S. Baker 1887-1 s.n. Modoc Forestdale Comment
  CAS-BOT-BC179951  Phacelia linearis C. C. (Mrs.) Bruce 1899-7-1 2193 Modoc Hills. Comment
  UCD35722  Phacelia linearis Beecher Crampton 1960-6-17 5680 Modoc 8 miles north of Perez, west of the southern portion of Clear Lake Reserv., Saddleblanket Flat. 1371 Comment
  UC24406  Phacelia mutabilis M. S. Baker and Frank Nutting 1894-6-5 Modoc Big Valley Mts. Comment
  CAS-BOT-BC179930  Phacelia ramosissima var. eremophila Clare Butterworth Hardham 1961-6-20 7872 Modoc Pine Creek Canyon. 1676 Comment
  RSA531328  Phacelia ramosissima var. eremophila Bruce Bartholomew, B. Anderson 1990-7-20 5486 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  UC748439  Phacelia ramosissima var. ramosissima Annie M. Alexander and Louise Kellogg 1946-7-7 4943 Modoc ne corner of county Eight Mile Creek 1752 Comment
  CAS-BOT-BC179925  Phacelia sericea var. ciliosa Leland S. Smith 1918-8-17 1038 Modoc Eagle Peak ridge, near Emerson Trail. 2621 Comment
  CAS-BOT-BC179919  Phacelia tetramera Bruce Bartholomew 1991-5-24 5691 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  NY1056750  Phacelia tetramera B. M. Bartholomew 1995-5-13 6903 Modoc East of Eagleville near Eagleville Airport, south end of Surprize Valley 1390 Comment
  CAS-BOT-BC179914  Phacelia thermalis John Thomas Howell 1934-7-2 12364 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  CAS-BOT-BC179917  Phacelia thermalis Alice Eastwood; John Thomas Howell 1940-6-15 8287 Modoc 9 mi. N of Lookout. Comment
  OBI48669  Phacelia thermalis Lewis S. Rose 1940-6-12 40537 Modoc 10 mi S of Alturas 1341 Comment
  UC1586865  Phacelia thermalis Juha Pykala and D. H. Norris 1987-5-27 1133 Modoc Crowder Flat Rd about 7 road mi from Hwy 299; Modoc National Forest 1540 Comment
  UC764435  Phacelia thermalis Herbert L. Mason 1947-8-9 13481 Modoc Porcupine Valley, on road to Antelope Reservoir Comment
  RSA502344  Phacelia thermalis D. W. Taylor, R. A. Price 1988-6-4 9761 Modoc Tule Lake Basin; Dobie Flat, ca. 2.6 miles south 10 degrees east of Casuse Mountain. 1280 Comment
  JEPS120114  Phalaris arundinacea Lowell Ahart, John Dittes 2012-7-10 18320 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  SEINET4691133  Phalaris arundinacea S. C. Swift 1937-6-23 12 Modoc Alturas, grazing district # 2 1280 Comment
  HSC10583  Phleum alpinum M. T. Milligan 1965-7-10 427 Modoc W slope of Eagle Peak. 2439 Comment
  UCR34688  Phleum alpinum J. A. Harpel 1981-8-6 V- 14 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC1024998  Phleum pratense Leo Whitney 1935-7-7 3387 Modoc 4 mi nw Canby (Howard Gulch); Howard Gulch Comment
  UC70660  Phleum pratense Mrs. M. H. Manning 1904-7-7 418 Modoc north-eastern Modoc County Comment
  UC106961  Phlox austromontana Mrs. R. M. Austin Jul 1893 Modoc Pine Creek Comment
  CAS-BOT-BC197951  Phlox diffusa C. C. (Mrs.) Bruce 1893-6-1 89 Modoc Davis Creek. Comment
  JEPS26567  Phlox diffusa Lauramay T. Dempster 1961-6-18 1691 Modoc just s Cedar Pass Comment
  UC71717  Phlox diffusa Mrs. M. H. Manning 1903-8-27 103 Modoc Mt. Bidwell, ne Modoc County Mt. Bidwell Comment
  UCSB11830  Phlox diffusa 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
  JEPS69975  Phlox diffusa Frances D. Payne 1929-6-21 16 Modoc s and e of Alturas; Warner Mountains, Parker 1584 Comment
  UC449763  Phlox diffusa M. F. Gilman 659 Modoc 1676 Comment
  CAS-BOT-BC197919  Phlox douglasii subsp. rigida Elmer Ivan Applegate 1897-5-31 976 Modoc Dry Lake. Comment
  CAS-BOT-BC197925  Phlox douglasii subsp. rigida Roxana Stinchfield Ferris; R. Duthie 1919-6-14 66 Modoc Above Parker Creek, Modoc National Forest boundary. Comment
  CAS-BOT-BC197930  Phlox douglasii subsp. rigida Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10580 A Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  JEPS48582  Phlox douglasii subsp. rigida L. S. Smith 1924-5-23 267 Modoc near Egg Lake Comment
  RSA165593  Phlox douglasii subsp. rigida Clare B. Hardham 1961-6-18 7593 Modoc Warner Mountains: Headwaters Davis Creek. 2134 Comment
  UC1191161  Phlox gracilis Herbert L. Mason 1949-4-16 13995 Modoc e of Alturas Comment
  CAS-BOT-BC197884  Phlox hoodii subsp. canescens Bruce Bartholomew 1993-6-14 6659 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC197887  Phlox hoodii subsp. canescens Leland S. Smith 1917-7-2 73 Modoc Warren Mt. 2133 Comment
  CAS-BOT-BC197889  Phlox hoodii subsp. canescens Bruce Bartholomew; Barrett Anderson 1989-4-30 4713 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  CAS-BOT-BC197863  Phlox stansburyi K. Paulson; Robert Paulson 1989-5-21 115 Modoc Crowder Flat Road, Devil's Garden. 1341 Comment
  CAS-BOT-BC197864  Phlox stansburyi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6482 Modoc 5.6 km N of State Hwy 299 on Crowder Flat Road. 1580 Comment
  CAS-BOT-BC197866  Phlox stansburyi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6487 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  CAS-BOT-BC197867  Phlox stansburyi Belknap C. Goldsmith 1912-5-8 45 Modoc 8 mi. NW of Alturas. Comment
  CAS-BOT-BC197874  Phlox stansburyi Bruce Bartholomew; Barrett Anderson 1988-5-14 4189 A Modoc 7 km S of turn off to Crowder Flats along West Side Road, W side of Goose Lake. 1410 Comment
  CAS-BOT-BC197877  Phlox stansburyi Francis Dorris Payne 1932-6-8 420 Modoc 3 mi. N of Alturas on Cedarville road. Comment
  CAS-BOT-BC197879  Phlox stansburyi Bruce Bartholomew; Barrett Anderson 1989-4-29 4670 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  HSC75905  Phlox stansburyi D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19412 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  SJSU13883  Phlox stansburyi N. A. Hopkins 1985-5-13 1271 Modoc by Hwy 395 c. 30 mi S of Alturas 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-BC58580  Phoenicaulis cheiranthoides E. S. Willits 1940-4-16 185 Modoc Foothills above Willow Ranch, Highway 295. Comment
  CHSC118312  Phoenicaulis cheiranthoides L. P. Janeway 2016-5-17 12017 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  JEPS96525  Phoenicaulis cheiranthoides Dean W. Taylor 1992-5-8 12559 Modoc Warner Mountains, Mt. Bidwell, ca. 0.5 miles E of Moonlite Mines 2432 Comment
  RSA59358  Phoenicaulis cheiranthoides E. K. Balls 1950-5-10 14598 Modoc East of Middle Lake, near Cedarville. 1402 Comment
  UC71679  Phoenicaulis cheiranthoides Mrs. M. H. Manning 1903-4-12 63 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  UCD116146  Phoenicaulis cheiranthoides Geo. C. Wood 1940-4-25 s.n. Modoc Fleming Ranch s.e. end of Goose Lake. 1524 Comment
  CAS-BOT-BC134911  Phoradendron bolleanum Paul F. Covel 1939-8-13 1622 Modoc Lava Beds Nat. Mon. at hdqtrs. Comment
  CAS-BOT-BC247590  Phragmites australis Bruce Bartholomew 1994-10-9 6886 Modoc Just N of Lassen County on road to Eagleville, S end of Surprise Valley. 1370 Comment
  CAS-BOT-BC30198  Pinus albicaulis Robert Patterson; Mona Bourell 1993-8-15 5244 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC478168  Pinus albicaulis John Thomas Howell 1934-6-14 12109 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  CAS-BOT-BC73416  Pinus albicaulis Elmer I. Applegate 1932-8-3 8131 Modoc Summit of Eagle Peak, Warner Mountains. 3019 Comment
  JEPS46792  Pinus albicaulis W. L. Jepson 1918-8-7 7904 Modoc Mt. Bidwell 2468 Comment
  UCR26028  Pinus albicaulis J. R. Haller 1978-7-19 3443 Modoc Warner Mtns., Summit ridge of Warner Mtns, 1 km north of the Eagleville(?) Road. 2378 Comment
  UCR78711  Pinus albicaulis David A. Charlet 1989-8-17 559 Modoc Warner Mtns., 1.3 km NW of Eagle Peak. 2550 Comment
  UC1612283  Pinus contorta subsp. murrayana Mrs. M. H. Manning 1905-1-1 Modoc Comment
  SEINET191397  Pinus monticola M. Ownbey, FG Meyer 1940-7-1 2153 Modoc Near summit of Clear Peak Warner Mountains Comment
  CAS-BOT-BC73022  Pinus monticola A. D. Borden 1911-6-15 s.n. Modoc Davis Creek 2072 Comment
  RSA0116402  Pinus murrayana Bruce Bartholomew, B. Anderson 1988-7-22 4520 Modoc S end of Bearcamp Flat, Southern end of Warner Mountains. (Emerson Peak Quad) 2230 Comment
  CAS-BOT-BC79034  Pinus ponderosa A. D. Borden 1911-5-20 s.n. Modoc Ross Creek Comment
  NY60273  Pinus washoensis B. M. Bartholomew 1994-7-2 6821 Modoc Just north of South Fork of Davis Creek near the crest of the Warner Mountains 2300 Comment
  NY63476  Pinus washoensis B. M. Bartholomew 1990-8-5 5664 Modoc Summit Trail, ca. 2 km. north of Patterson Ranger Station, west side of Warner Mountains 2400 Comment
  RSA149139  Plagiobothrys bracteatus I. L. Wiggins, Dorothy Wiggins 1961-6-16 16522 Modoc Drying swale near Cloverswale Creek, 4.8 miles NE of Canby Comment
  JEPS25292  Plagiobothrys hispidulus Frances D. Payne 1929-7-5 40 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CHSC85131  Plagiobothrys leptocladus John Dittes; Josephine Guardino 1991-7-21 413 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-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-BC58727  Plagiobothrys mollis var. mollis Elmer Ivan Applegate 1929-7-27 6085 Modoc Clear Lake Dam, N side of Clear Lake. Comment
  CAS-BOT-BC58728  Plagiobothrys mollis var. mollis Herbert Louis Mason; Verne Grant 1947-7-12 13395 Modoc By Jones' Lane, off Hwy 395, several miles S of Alturas. 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-BC248342  Plagiobothrys nitens B. Bartholomew; H. Sun 2002-6-24 8825 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  CAS-BOT-BC58730  Plagiobothrys salsus G. Schoolcraft; Arnold Tiehm 1984-6-24 1261 Modoc Middle Alkali Lake. 1356 Comment
  UCR129359  Plagiobothrys scouleri Elaine Joyal, D. Mehlman 1988-6-27 1287 Modoc Warner Mtns., Jess Valley 1500 Comment
  CAS-BOT-BC497196  Plagiobothrys scouleri E. Joyal; D. Mehlman 1988-6-27 1287 Modoc Warner Mts., Jess Valley 1500 Comment
  CAS-BOT-BC58753  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13408 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  POM204141  Plagiobothrys scouleri var. hispidulus J. T. Howell 1934-6-11 11912 Modoc Parker Creek, Warner Mts. 1585 Comment
  POM260097  Plagiobothrys scouleri var. hispidulus C. L. Hitchcock 1940-5-27 6686 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA165581  Plagiobothrys scouleri var. hispidulus Clare B. Hardham 1961-6-17 s.n. Modoc Cedar Pass Camp Ground, Warner Mountains Comment
  RSA210864  Plagiobothrys scouleri var. hispidulus R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39104 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  POM261461  Plagiobothrys scouleri var. hispidulus Alice Eastwood, John Thomas Howell 1940-6-12 8078 Modoc Between Likely and Jess Valley. Comment
  POM368975  Plagiobothrys scouleri var. hispidulus Christopher Davidson 1973-5-26 2152 Modoc Ca. 1 mi. N of Adin Summit on St Hwy 299. 1524 Comment
  SD130520  Plagiobothrys stipitatus var. micranthus B. Bartholomew, B. Anderson 1988-6-23 4250 Modoc 4.2 km northwest of Day. 1020 Comment
  CAS-BOT-BC58772  Plagiobothrys tenellus Bruce Bartholomew; Barrett Anderson 1988-5-13 4169 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 Comment
  CHSC117146  Plantago major Lowell Ahart; John Dittes 2016-7-14 21184 Modoc Around the 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 d(air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 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
  UC429329  Platanthera leucostachys M. F. Gilman 652 Modoc 1676 Comment
  UC1586854  Platanthera stricta Juha Pykala and D. H. Norris 1987-5-28 1263 Modoc ca. 3-4 mi w Lake City (Lake City Canyon, by a little stream that runs to Mill Creek); Warner Mountains, Modoc National Forest 1798 Comment
  CAS-BOT-BC136653  Platanthera stricta Elmer I. Applegate 1932-7-7 8230 Modoc Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC245394  Plectritis macrocera John Thomas Howell 1934-6-11 11973 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC245399  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1988-5-14 4203 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 Comment
  CAS-BOT-BC245404  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-6-3 4887 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC245407  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-4-27 4627 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  UC416750  Plectritis macrocera Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC245397  Plectritis macrocera Lindsay Stuart Smith; E. H. Steffen 1917-5-26 9 Modoc West Valley camp. 1554 Comment
  POM319516  Poa Patricia Wilder 1971-6-20 5080 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
  UC1024979  Poa X fibrata Leo Whitney 1935-7-6 3419 Modoc Crank Springs Comment
  CAS-BOT-BC247623  Poa X limosa Leland S. Smith 1924-6-29 1434 Modoc Happy Camp. 1524 Comment
  CHSC110974  Poa cusickii subsp. cusickii Lowell Ahart; John Dittes 2012-7-10 18328 Modoc Open meadow, west 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
  HSC80838  Poa pratensis G. M. Riegel 1979-7-13 527 Modoc South Warner Mtns. 2100 Comment
  UC1024315  Poa pratensis subsp. pratensis Annie M. Alexander and Louise Kellogg 1946-6-18 4791 Modoc Patterson Mill-Silver Creek roads 1828 Comment
  UC1100400  Poa pratensis subsp. pratensis Verne Grant and Irving Schneider 1947-7-22 8151 Modoc on dirt rd leading to s end of Goose Lake (headwaters of North Fork of Pit River, 1 mi nw of Hwy 395) Comment
  RSA273306  Poa secunda J. P. Smith, J. O. Sawyer 1972-5-6 5249 Modoc Road 86 just east of Adin 1098 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
  SEINET7855105  Poa secunda subsp. juncifolia I. Tidestrom 1910-6-25 3634 Modoc Modoc NF, Sibley Draw. Comment
  CAS-BOT-BC247658  Poa secunda subsp. secunda E. S. Willits 1940-5-6 217 Modoc Near Lassen Creek, Willow Ranch. Comment
  CAS-BOT-BC247668  Poa secunda subsp. secunda Elmer Ivan Applegate 1927-4-24 5004 Modoc Modoc Battle Ground, Lava Beds. Comment
  CAS-BOT-BC247672  Poa secunda subsp. secunda Bruce Bartholomew; Barrett Anderson 1988-5-12 4120 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  UC1024719  Poa secunda subsp. secunda Leo Whitney 1935-5-18 3083 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1024934  Poa secunda subsp. secunda Leo Whitney 1935-6-29 3343 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  CAS-BOT-BC252520  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1989-6-2 4774 Modoc Buck Creek, 1 cm NE of Fandango Pass Road, W side of the Warner Mountains. 1660 Comment
  CHSC109489  Poa wheeleri L. P. Janeway; B. Castro 2012-7-24 10957 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New PIne Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. 2250 Comment
  UCD91754  Poa wheeleri L. Whitney 1935-5-26 3154 Modoc Ash Creek, 10 miles E of Adin. Comment
  CAS-BOT-BC179348  Pogogyne floribunda Bruce Bartholomew 1995-6-24 7019 Modoc 24.8 km E of County Road 114 on County Road 108, N of Clear Lake Reservoir. 1360 Comment
  UC1597730 Image available Pogogyne floribunda J. D. Jokerst 1990-7-31 3205 Modoc about 1.5 mi se Doublehead Mountain (n and adjacent to dirt road and 0.25 mi w of a n-s oriented fenceline through the center of section 13, s of Clear Lake); Modoc National Forest, Devils Garden Ranger District 1371 Comment
  SEINET3872256  Polanisia dodecandra Richard R. Halse 2010-9-2 8109 Modoc Warner Mountains; Modoc National Forest; along State Hwy. 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead.; 0 1619 Comment
  CAS-BOT-BC197859  Polemonium micranthum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6474 Modoc 1.9 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1670 Comment
  CAS-BOT-BC197854  Polemonium occidentale Barrett Anderson 1986-7-10 3202 Modoc West Warner Rd at the North Fork of Pine Creek. 1935 Comment
  CAS-BOT-BC197857  Polemonium occidentale Bruce Bartholomew 1991-8-6 6086 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  RSA59937  Polyctenium fremontii E. K. Balls 1950-5-11 14631 Modoc 8.1 miles NE of Fort Bidwell, above Cow Head Lake, along 8-mile Creek. 1463 Comment
  CAS-BOT-BC58321  Polyctenium fremontii var. fremontii Bruce Bartholomew 1991-5-24 5739 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  JEPS121234  Polygonum Lowell Ahart, John Dittes 2013-7-24 18911 Modoc On the S side of a 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
  SEINET4936529 Image available Polygonum austinae Unknown 1885-1 s.n. Modoc Goose Lake Valley [Modoc County, on the northern border of the State] Comment
  CAS-BOT-BC218135  Polygonum douglasii Elmer Ivan Applegate 1932-8-2 8065 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC218141  Polygonum douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp. 1355 Comment
  SJSU9579  Polygonum douglasii W. Savage 1979-7-4 1339 Modoc Triange, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA518941  Polygonum polygaloides Bruce Bartholomew, B. Anderson 1988-6-23 4244 Modoc 4.2 kim NW of Day. 1020 Comment
  CHSC81397  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-17 1391 Modoc Ca. 11 mi nw of Canby, on n side of Hwy 139, 2.7 mi e of Forest Service Rd 44N11. 1490 Comment
  UC1971321  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 Modoc DEVILS GARDEN: Ca. 1/4 mile southwest of Big Sage Reservoir. Comment
  UC6711  Polygonum polygaloides subsp. confertiflorum Mrs. R. M. Austin June, 1894 Modoc lava beds w Willow Creek Comment
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Jul 6 2010
  CHSC67688  Polygonum polygaloides subsp. esotericum James D. Jokerst 1990-8-2 3211 A Modoc Hwy. 139 NW of Canby, ca. 300 m N of the road at the SE edge of a large dry lake, within the dry-down zone adjacent to a concrete overflow structure. Comment
  CHSC81398  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-19 1423 Modoc Ca. 9 mi nw of Canby, on n side of Hwy 139, 2.0 mi w of Forest Service Rd 46N10. 1488 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
  SJSU9618  Polygonum polygaloides subsp. esotericum W. Savage 1979-7-6 1423 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD77942  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1397 Modoc Ca. 12 mi nw of Canby, along Hwy 139, 1.6 mi e of Forest Service Rd 44N11. 1490 Comment
  UC6708  Polygonum polygaloides subsp. kelloggii M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  CAS-BOT-BC218190  Polygonum polygaloides subsp. kelloggii James Vale; et al 1979-6-7 Modoc At summit, Parker Creek Rd. - Cedarvill Rd. Comment
  CAS-BOT-BC218120  Polygonum sawatchense subsp. sawatchense Arnold Tiehm 1984-6-30 8841 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828 Comment
  HSC17501  Polygonum sawatchense subsp. sawatchense M. T. Milligan 1965-6-30 389 Modoc E of Jess Valley. 1707 Comment
  POM313141  Polypogon interruptus Malcolm A. Nobs, S. Galen Smith 1949-7-20 1052 Modoc 4 miles west of Adin. Comment
  SACT002056  Polypogon monspeliensis Malcolm Nobs, Galen Smith 1949-7-20 Modoc Four mile west of Adin. Comment
  UC71755  Populus tremuloides Mrs. M. H. Manning 1903-4 72 Modoc near Fort Bidwell (ne Modoc County); near Fort Bidwell Comment
  SEINET11664775  Potamogeton amplifolius A. Seneres, Harold, N. 1983-1 113 Modoc in Warner Mountains Comment
  POM313002  Potamogeton epihydrus H. L. Mason, Verne Grant 1947-7-12 13397 Modoc Irrigation ditch by Jones Lane, off Hwy 395, several miles S of Alturas. Comment
  UC1099880  Potamogeton epihydrus subsp. nuttallii Verne Grant, Irving Schneider 1947-7-21 8127 Modoc n of Alturas (North Fork Pit River by bridge on Hwy 395); North Fork Pit River Comment
  UC1099867  Potamogeton foliosus Verne Grant, Irving Schneider 1947-7-22 8153 Modoc headwaters of North Fork of Pit River (1 mi nw of Hwy 395 on dirt road leading to s end of Goose Lake) Comment
  UC1099857  Potamogeton gramineus Calvin McMillan, Malcolm A. Nobs 1949-6-16 788 Modoc 33 mni nnw of Alturas (Dry Valley Reservoir); Dry Valley Reservoir Comment
  SEINET5335351  Potamogeton natans M. S. Baker 1899-8-18 s.n. Modoc Little Hot Springs Valley Comment
  CAS-BOT-BC242228  Potamogeton nodosus Bruce Bartholomew 1992-8-7 6356 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  POM313006  Potamogeton nodosus Verne Grant, Irving Schneider 1947-7-21 8124 Modoc N Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  UC1536814  Potamogeton pectinatus Gordon H. True Jr. 1939-7-21 1008 Modoc Jack Swamp near Alturas; Jack Swamp Comment
  UC1536815  Potamogeton pectinatus Gordon H. True Jr. 1939-6-6 1009 Modoc near Canby; Gooch Swamp Comment
  SEINET5335427  Potamogeton pusillus M. S. Baker 1899-8-24 s.n. Modoc Carmichaels Mill Comment
  CAS-BOT-BC242273  Potamogeton richardsonii Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River, at Lookout. Comment
  UC1100096  Potamogeton richardsonii Verne Grant, Irving Schneider 1947-8-29 8350 Modoc 4 mi sw of Canby (Pit River 1 mi w (downstream) of Bridge 305, Highway 299); Pit River, Highway 299 Comment
  CAS-BOT-BC242267  Potamogeton zosteriformis Verne Grant; I. Schneider 1947-7-18 8054 Modoc 1.4 mi. N of Bayley's bridge, S of Alturas. Comment
  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
  CHSC114020  Potentilla biennis B. Castro; L. P. Janeway 2014-6-3 2005 Modoc Great Basin. Within the generally bare drawdown zone of Fee Reservoir. 1590 Comment
  POM229173  Potentilla glandulosa Louis C. Wheeler 1935-8-8 3810 Modoc Warner Mountains: N Fork Bidwell Creek. 2378 Comment
  CAS-BOT-BC214774  Potentilla gracilis Bruce Bartholomew 1990-6-18 5387 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC214777  Potentilla gracilis Bruce Bartholomew; Barrett Anderson 1988-7-21 4424 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC214779  Potentilla gracilis John Thomas Howell 1934-6-12 12029 Modoc Plum Valley, Warner Mts. Comment
  CAS-BOT-BC214784  Potentilla gracilis Bruce Bartholomew; Barrett Anderson 1988-7-21 4473 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC214787  Potentilla gracilis C. C. (Mrs.) Bruce 1899-6-1 75 Modoc Davis Creek. Comment
  CAS-BOT-BC214789  Potentilla gracilis Annie Montague Alexander; L. Kellogg 1946-6-20 4810 A Modoc Field below Eagleville 1440 Comment
  HSC80693  Potentilla gracilis var. fastigiata G. M. Riegel 1979-8-13 661 Modoc S Warner Mtns. 1670 Comment
  JEPS86373  Potentilla gracilis var. fastigiata Jack and Betty Guggolz 1988-6-30 971 Modoc from a sparsely vegetated gravelly flat near the Old Canon Mill Road Comment
  UC903242  Potentilla gracilis var. fastigiata Frances Payne 1931-6-17 182 Modoc Parker Creek Warner Mountains, Parker Creek 1584 Comment
  JEPS44223  Potentilla gracilis var. flabelliformis W. L. Jepson 1918-8-9 7911 Modoc Ft. Bidwell 1432 Comment
  UC73025  Potentilla gracilis var. flabelliformis Milo S. Baker Aug 1898 513 Modoc Forestdale Comment
  JEPS47223  Potentilla newberryi L. D. Whitney 1935-7-29 3595 Modoc near w end Clear Lake; near w end of Clear Lake Comment
  UC1191510  Potentilla newberryi Verne Grant, Irving Schneider 1947-8-27 8313 Modoc sw end Clear Lake; sw end of Clear Lake Comment
  CHSC117253  Potentilla rivalis Lowell Ahart; John Dittes 2016-7-14 21196 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  POM312884  Potentilla rivalis Verne Grant 1947-8-27 8318 Modoc Southwest end of Clear Lake. Comment
  POM312885  Potentilla rivalis H. L. Mason 1947-8-13 13518 Modoc Northeast side of 'F' reservoir, north of Canby Comment
  UC1037235  Potentilla rivalis Leo Whitney 1934-5-20 3041 Modoc bank of Lost River near Clear Lake; bank of Lost River near Clear Lake 1463 Comment
  UC1191493  Potentilla rivalis Verne Grant, Irving Schneider 1947-8-27 8318 Modoc sw end Clear Lake; sw end of Clear Lake Comment
  CHSC109645  Poteridium annuum Lowell Ahart; John Dittes 2012-7-11 18341 Modoc Along a poor mowed road, about 1/2 mile southeast of the Pilot butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  JEPS119665  Poteridium annuum Lowell Ahart, John Dittes 2012-7-11 18341 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
  UCD113966  Poteridium annuum Herbert L. Mason; Verne Grant 1947-7-13 13443 Modoc Near roadside, Joseph Creek on Highway 395, north of Davis Creek (east side of Goose Lake). Comment
  CAS-BOT-BC179342  Prunella vulgaris K. Paulson; Robert Paulson 1989-7-12 175 Modoc Vicinity of Mill Creek Falls, NE side end of Jess Valley. Comment
  CDA40759  Prunella vulgaris subsp. lanceolata G. D. Barbe, John Kelley 1988-7-2 4301 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  JEPS96524  Prunus avium Dean W. Taylor 1992-5-8 12556 Modoc Warner Mountains, Pine Creek Canyon, ca. 1.5 air miles S of the Oregon State Line, 1554 Comment
  RSA152421  Prunus emarginata I. L. Wiggins 1961-6-13 16458 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  UC711818  Prunus emarginata Roxana S. Ferris and Laura Lorraine 1941-8-14 10597 Modoc 5 mi from Patterson Ranger Station (on road to Eagleville, Warner Mountains, Modoc National Forest); Warner Mountains, Modoc National Forest Comment
  CAS-BOT-BC214818  Prunus subcordata Elmer Ivan Applegate 1929-6-25 5906 Modoc Willow Ranch, E side of Goose Lake. Comment
  JEPS114666  Prunus subcordata Lowell Ahart, John Dittes 2008-8-25 15325 Modoc Open pasture field, on the west side of East Gouger Neck Road, east of the Pit River, 2.1 miles by road from County Road 91, 5.6 miles (air) northeast of Lookout 1293 Comment
  UC71585  Prunus subcordata Mrs. M. H. Manning 1903-5-6 5 Modoc near Fort Bidwell (in n-eastern Modoc County) Comment
  CAS-BOT-BC214812  Prunus subcordata R. M. Austin 1898-6-1 2343 Modoc Modoc County. Comment
  CAS-BOT-BC225004  Prunus virginiana var. demissa Isabelo T. Kelly 1930-1-1 4 Modoc Fort Bidwell. Comment
  CAS-BOT-BC225007  Prunus virginiana var. demissa M. M. Hanna 1956-6-5 977 Modoc Cedar Pass. Comment
  CAS-BOT-BC225009  Prunus virginiana var. demissa A. D. Borden 1911-8-9 s.n. Modoc S slope of Shields Creek. Comment
  HSC80703  Prunus virginiana var. demissa G. M. Riegel 1980-7-1 799 Modoc South Warner Mountains 1670 Comment
  UC1281137  Prunus virginiana var. demissa H. E. McMinn 1931-5-23 2000 Modoc Warner Mountains 1981 Comment
  UCSB16353  Prunus virginiana var. demissa 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
  UC1037279  Pseudognaphalium thermale Leo Whitney 1934-8-2 1746 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UCD91512  Pseudoroegneria spicata August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  UCD91522  Pseudoroegneria spicata L. D. Whitney 1935-8-3 s.n. Modoc Lava Mountain side -- near Buck Creek -- North Warner Mountains. Comment
  CAS-BOT-BC252502  Pseudoroegneria spicata subsp. spicata Bruce Bartholomew; Barrett Anderson 1990-7-20 5477 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC252508  Pseudoroegneria spicata subsp. spicata John Thomas Howell 1934-6-30 12278 Modoc Duncan Horse Camp. 1355 Comment
  JEPS68372  Pseudoroegneria spicata subsp. spicata L. S. Smith 1917-7-10 106 Modoc Warner Mountains, Granger Mill Camp Granger Mill Camp; Warner Mountains, Granger Mill Camp 2194 Comment
  CAS-BOT-BC95226  Pseudostellaria jamesiana John Thomas Howell 1934-6-11 11959 Modoc Parker Creek, Warner Mts. 1584 Comment
  RSA550613  Pseudotsuga menziesii Bruce Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1400 Comment
  CAS-BOT-BC30153  Pseudotsuga menziesii var. menziesii Bruce Bartholomew 1992-5-14 6273 Modoc NE side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  RSA323626  Psilocarphus brevissimus A. Tiehm 1984-7-30 8831 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 Comment
  CAS-BOT-BC50379  Psilocarphus brevissimus var. brevissimus John Thomas Howell 1934-7-2 12361 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  UC190609  Psilocarphus brevissimus var. brevissimus M. F. Gilman 632 Modoc Comment
  CAS-BOT-BC30197  Pteridium aquilinum var. pubescens Bruce Bartholomew 1994-5-28 6715 Modoc E side of Sugar Hill, W side of Warner Mts. 1840 Comment
  UCD32748  Puccinellia Beecher Crampton 1954-7-7 2157 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  HSC80764  Pyrola aphylla G. M. Riegel 1979-8-27 723 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC497311  Pyrola picta B. Bartholomew 1991-8-6 6078 Modoc Emerson Trail between Emerson Camp Ground and N. Emerson Lake, E side of Warner Mts. 1920 Comment
  CAS-BOT-BC50396  Pyrrocoma carthamoides var. cusickii John Thomas Howell 1934-7-1 12299 Modoc Duncan Horse Camp. 1355 Comment
  UC76018  Pyrrocoma hirta var. lanulosa Milo S. Baker July 1894 Modoc lake at Mt. Meadows w of summit w Eagle Lake; Lake at Mt. Meadows w of summit Comment
  CAS-BOT-BC217299  Ranunculus alismifolius Bruce Bartholomew 1990-6-15 5231 Modoc S end of Deer Spring Ridge, 1.8 km N turn off to Knox Flat near Pot Hole Spring. 1920 Comment
  RSA520441  Ranunculus alismifolius var. alismellus Bruce Bartholomew 1990-6-15 5231 Modoc S end of Deer Spring Ridge 1.8km N turn off to Knox Flat near Pot Hole Spring. 1920 Comment
  RSA486803  Ranunculus andersonii Bruce Bartholomew, B. Anderson 1988-5-13 4163 Modoc Granger Summit, ca. 10 km NW of Pepperdine at the top of the Warner Mountains. 1770 Comment
  CAS-BOT-BC379337  Ranunculus andersonii var. andersonii Ira L. Wiggins; Dorothy B. Wiggins 1961-6-12 16427 Modoc grassy patch in full sun near summit of Cedar Pass, between Alturas and Cedarville 1920 Comment
  CAS-BOT-BC217262  Ranunculus aquatilis var. aquatilis Robert Folger Thorne; C. W. Tilforth 1969-9-5 39171 Modoc Clear Lake, Warner Mountains. 1767 Comment
  RSA252475  Ranunculus aquatilis var. capillaceus Robert F. Thorne, C. W. Tilforth 1969-9-5 39171 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  RSA252501  Ranunculus aquatilis var. capillaceus Robert F. Thorne, C. W. Tilforth 1969-9-5 39176 Modoc South Fork of Pit River at bridge, 3.8 miles E. of Likely. 1387 Comment
  UC1101364  Ranunculus aquatilis var. capillaceus Herbert L. Mason and Verne Grant 1947-7-11 13370 Modoc irrigation ditch by Jones' Lane (off Hwy 395, s of Alturas) Comment
  UC1537636  Ranunculus aquatilis var. capillaceus Gordon H. True 1939-6-25 1011 Modoc nw Alturas; Boles Meadow Comment
  UC9369  Ranunculus aquatilis var. capillaceus Milo S. Baker 1893-7-9 Modoc Comment
  CAS-BOT-BC217268  Ranunculus aquatilis var. diffusus Alice Eastwood; John Thomas Howell 1940-6-12 8093 Modoc Jess Valley. Comment
  HSC31048  Ranunculus aquatilis var. diffusus R. F. Thorne, C. W. Tilforth 1969-9-5 39176 Modoc S Fork of Pit River at bridge 3.8 mi. E of Likely 1387 Comment
  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-BC217229  Ranunculus cymbalaria Bruce Bartholomew 1995-6-3 6949 Modoc Just S of the Oregon border at the shore of Goose lake. 1400 Comment
  SJSU9367  Ranunculus cymbalaria W. Savage 1979-7-6 1400 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC39724  Ranunculus cymbalaria var. saximontanus Thomas W. Nelson, James Nelson 1976-8-29 3255 Modoc Modoc National Forest; along Hwy. 299 just N west of Adin Pass 1524 Comment
  POM269960  Ranunculus cymbalaria var. saximontanus W. T. Frost 1925-7-11 9 Modoc Cedar Canyon, 2 miles above Cedaville, Warner Mts, Modoc County Comment
  UC1101381  Ranunculus cymbalaria var. saximontanus Herbert L. Mason and Verne Grant 1947-7-12 13387 Modoc irrigation ditch by Jones' Lane (off Hwy 395, several mi s of Alturas) Comment
  UC634961  Ranunculus cymbalaria var. saximontanus F. H. Frost 1925-7-11 9 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  UC499815  Ranunculus eschscholtzii var. oxynotus Elmer I. Applegate 1932-8-3 8133 Modoc Eagle Peak Warner Mts. (e slope, bank near summit) 2743 Comment
  UC748222  Ranunculus eschscholtzii var. oxynotus Annie M. Alexander and Louise Kellogg 1946-7-30 5098 Modoc Eagle Peak Warner Mountains Comment
  NY494525  Ranunculus glaberrimus B. M. Bartholomew 1988-5-13 4154 Modoc Along Parker Creek Road, 0.5 km west of West Warner Road on Parker Creek Road, west side of the Warner Mountains 1650 Comment
  JEPS3950  Ranunculus glaberrimus N. T. Mirov 1929-5-14 Modoc e Goose Lake (on road to Fandango Valley); Warner Mountains, Buck Creek Comment
  CAS-BOT-BC217180  Ranunculus occidentalis var. dissectus Annie Montague Alexander; L. Kellogg 1946-6-8 4697 Modoc Road from Eagleville to Patterson Mill. 2286 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
  CHSC33383  Ranunculus occidentalis var. dissectus J. P. Smith; J. O. Sawyer 1972-5-6 5263 Modoc Forest Service road to Quail Spring at State Route 299 north of Adin. 1463 Comment
  CAS-BOT-BC217215  Ranunculus occidentalis var. ultramontanus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 48 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CHSC112369  Ranunculus testiculatus L. P. Janeway; B. Castro 2014-6-2 11293 Modoc Great Basin. Along Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  CHSC114003  Ranunculus testiculatus B. Castro; L. P. Janeway 2014-6-3 2006 Modoc Great Basin. Around outer edge of Big Mud Lake, near NW corner of lake. 1636 Comment
  RSA145549  Ranunculus testiculatus T. L. Secrest 1961-6-11 s.n. Modoc along edge of Hwy 299 1 miles NW of Alturas 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
  CAS-BOT-BC95677  Rhododendron columbianum K. Paulson; Robert Paulson 1989-7-14 189 Modoc Vicinity of Bell Mine, N end of the Warner Mts. 2217 Comment
  CAS-BOT-BC95678  Rhododendron columbianum Bruce Bartholomew 1994-7-2 6825 Modoc North Fork of Davis Creek, W side of the Warner Mountains. 1910 Comment
  CHSC109476  Rhododendron columbianum L. P. Janeway; B. Castro 2012-7-27 11024 Modoc Warner Mountains. North-sloping meadow opening just above Mineral spring, 0.5 air km east of Yellow Mountain. 2361 Comment
  UCR270949  Ribes John F. Emmel 2000-8-3 1681 Modoc Modoc Plateau, Northern Warner Mountains, north edge of Dismal Swamp 2180 Comment
  RSA0026215  Ribes John F. Emmel 1997-6-9 1503 Modoc Warner Mts., west slope; along South Willow Ranch Road (east above Hwy 395), ca. 6 air miles south and 0.6 air mile east of Willow Ranch. 1585 Comment
  CAS-BOT-BC225860  Ribes aureum L. A. M. Black 1894-5-1 73 Modoc Willow Ranch. Comment
  UC1191522  Ribes aureum Verne Grant, Irving Schneider 1947-7-22 8142 Modoc about 1 mi n Cedarville road (on Highway 395); North Fork of Pit River Comment
  UC570845  Ribes aureum F. H. Frost 1925-7-24 115 Modoc Jess Valley Warner Mts. Comment
  HSC20287  Ribes cereum R. C. Wunner 1965-6-20 228 Modoc Lava Beds N.M., Lava Brook Cave. 1463 Comment
  OBI14068  Ribes cereum H. E. McMinn unk 2465 Modoc WarnerMts, Cedarville rd 1890 Comment
  UCD38342  Ribes cereum Beecher Crampton; with Carl Rimbey 1954-7-8 2185 Modoc 12 miles east of Likely. Canyon on the south fork of the Pit River. Comment
  CAS-BOT-BC225901  Ribes montigenum Robert Patterson; Mona Bourell 1993-8-15 5260 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  SEINET195470 Image available Ribes montigenum Annie M. Alexander, L Kellogg 1946-6-25 4822 Modoc North end of the Warner Mountains Dismal Swamp 2256 Comment
  SEINET256217 Image available Ribes montigenum M. J. Williams 1984-6-29 84- 71 -2 Modoc West side of the Warner Mountains; Lily Lake 2073 Comment
  CAS-BOT-BC225910  Ribes roezlii var. roezlii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6523 Modoc S side of Whitehorse Reservoir. 1300 Comment
  RSA59538  Ribes velutinum E. K. Balls 1950-5-20 14802 Modoc Above Mill Creek Falls Public Camp on way from likely to Clear Lake 1738 Comment
  CAS-BOT-BC225933  Ribes viscosissimum Elmer Ivan Applegate 1932-7-7 8222 Modoc Just above Lily Lake, Bidwell Pass, Warner Mts. Comment
  CAS-BOT-BC225936  Ribes viscosissimum Bruce Bartholomew; Barrett Anderson 1988-6-24 4298 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC225942  Ribes viscosissimum Margaret J. Williams 1984-6-29 84- 71 -3 Modoc Lily Lake, W side of Warner Mts. 2072 Comment
  CAS-BOT-BC225948  Ribes viscosissimum Bruce Bartholomew 1995-7-31 7123 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  HSC29862  Ribes viscosissimum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19439 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  NY455557  Ribes viscosissimum R. M. Austin 06 1898 2352 Modoc Lake City Canyon Comment
  NY455561  Ribes viscosissimum K. Paulson 1989-6-21 145 Modoc Pine Creek Basin, west side of the Warner Mountains 2109.2 Comment
  RSA0020908  Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 miles NE of Alturas. 1616 Comment
  CAS-BOT-BC50326  Rigiopappus leptocladus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 32 Modoc Above Parker Creek. 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
  RSA584833  Rigiopappus leptocladus Bruce Bartholomew 1993-6-12 6575 Modoc Road to Day Rock from Little Hot Spring Valley 1200 Comment
  SBBG30616  Rigiopappus leptocladus D. Myrick 1968-6-20 1981 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  UC1537632  Rorippa Gordon H. True Jr. 1939-7-21 1030 Modoc Jack Swamp Comment
  CDA43017  Rorippa austriaca L. Ahart, John Dittes 2008-8-25 15274 Modoc On the banks of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. Comment
  CDA37713  Rorippa austriaca Breckenridge/Filippini 2007-6-14 s.n. Modoc South of Alturas, on Jones Lane. 0 Comment
  CDA37893  Rorippa austriaca J. L. Johnson 1973-1 s.n. Modoc 0 Comment
  RSA210854  Rorippa curvipes var. truncata R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39111 a Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC58425  Rorippa curvisiliqua Bruce Bartholomew; Barrett Anderson 1988-6-24 4322 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CHSC109491  Rorippa curvisiliqua var. orientalis L. P. Janeway; B. Castro 2012-7-26 11004 Modoc Warner Mountains. At Little Lily Lake, 2.4 air km north of Mt. Vida. 2258 Comment
  CAS-BOT-BC58453  Rorippa nasturtium-aquaticum Frederick H. Frost 1925-7-11 7 Modoc Cedar Canyon, 2 mi. above Cedarville, Warner Mts. Comment
  CAS-BOT-BC497209  Rosa Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8384 Modoc About 7.0 mi N of Cedarville along side road to Wilson Patch Ranch (see US Forest Serv. map) 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
  RSA210881  Rosa woodsii subsp. ultramontana Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39086 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC218253  Rosa woodsii var. ultramontana Fred. P. Cronemiller 1919-6-14 26 Modoc Deep Creek. 1524 Comment
  CAS-BOT-BC218254  Rosa woodsii var. ultramontana John H. Hatton 1911-6-13 77 Modoc Modoc County. 1371 Comment
  CAS-BOT-BC218257  Rosa woodsii var. ultramontana Leland S. Smith 1919-6-14 26 Modoc Deep Creek. 1524 Comment
  CAS-BOT-BC218259  Rosa woodsii var. ultramontana Bruce Bartholomew; Barrett Anderson 1990-7-20 5547 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  CAS-BOT-BC218263  Rosa woodsii var. ultramontana Annie Montague Alexander; L. Kellogg 1946-7-12 4989 Modoc Twelve Mile Creek. Comment
  JEPS47231  Rosa woodsii var. ultramontana Frances D. Payne 1931-6-17 161 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA67240  Rosa woodsii var. ultramontana Philip A. Munz 1951-9-14 16976 Modoc Jess Valley Warner Mts, east of Likely 1524 Comment
  SD46575  Rosa woodsii var. ultramontana Robert J. Weatherby 1955-7-8 1627 Modoc 5 miles north of Ft. Bidwell, no. Warner Mts. 1783 Comment
  CAS-BOT-BC218266  Rubus parviflorus Bruce Bartholomew 1989-7-14 4929 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 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
  UC6959  Rumex paucifolius M. S. Baker and Frank Nutting 1894-6-20 Modoc White Horse Lake Comment
  CAS-BOT-BC211312  Rumex salicifolius Bruce Bartholomew 1990-8-3 5607 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  NY430602  Rumex salicifolius subsp. salicifolius B. M. Bartholomew 1990-7-20 5541 Modoc Buck Creek between Del Pratt Spring and Howard Flat, west side of Warner Mountains 1990 Comment
  UC748315  Rumex salicifolius var. salicifolius Annie M. Alexander and Louise Kellogg 1946-8-3 5113 Modoc Head of Eagle Creek Warner Mountains Comment
  CDA23204  Rumex salicifolius var. transitorius T. C. Fuller 1958-7-8 2033 Modoc 4 miles south of Pine Creek. 0 Comment
  CHSC106326  Rumex salicifolius var. triangulivalvis Lowell Ahart; John Dittes 2010-8-31 17117 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1274 Comment
  UC711876  Rumex salicifolius var. triangulivalvis Roxana S. Ferris and Laura Lorraine 1941-8-13 10550 Modoc Patterson Ranger Station, East Creek drainage Warner Mountains, Modoc National Forest, East Creek 2164 Comment
  CAS-BOT-BC211318  Rumex triangulivalvis Alice Eastwood; John Thomas Howell 1940-6-12 8071 Modoc Between Likely and Jess Valley. Comment
  HSC65604  Rumex triangulivalvis Thomas Wood 1979-8-9 239 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  CAS-BOT-BC95279  Sagina saginoides Bruce Bartholomew; Barrett Anderson 1990-7-21 5568 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  POM260470  Sagina saginoides C. L. Hitchcock 1940-5-27 6708 Modoc 15 miles NE of Alturas. 1677 Comment
  RSA210812  Sagittaria cuneata Robert F. Thorne, C. W. Tilforth 1969-9-4 39058 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1433 Comment
  UC1536806  Sagittaria cuneata Gordon H. True Jr. 1939-7-21 1022 Modoc n of Canby Jack Swamp (Jack Swamp) Comment
  CAS-BOT-BC125942  Salix X rubens Mrs. H. P. Bracelin 1934-6-13 818 Modoc Lower Lake 2 1/2 miles south of Eagleville, base of eastern side of Warner Mts. Comment
  CAS-BOT-BC225112  Salix bebbiana A. D. Borden 1911-5-21 s.n. Modoc SE shore of Goose Lake Comment
  CAS-BOT-BC225118  Salix boothii Belknap C. Goldsmith 1910-8-11 19 Modoc Summit of Warner Mts, near Oregon-California line. 2194 Comment
  JEPS14875  Salix boothii L. S. Smith 1918-8-11 1023 Modoc Camp One-T38-16 Modoc Nat'l Forest 22 Comment
  POM220464  Salix boothii Frances D. Payne 1931-7-7 335 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  UC492377  Salix boothii Frances D. Payne 1932-7-21 729 Modoc e of Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  UC511709  Salix boothii Frances D. Payne 1931-7-8 339 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  POM218964  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  POM218965  Salix eastwoodiae Frances D. Payne 1931-7-7 333 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  SBBG59082  Salix eastwoodiae F. D. Payne 1931-6-25 275 Modoc Pine Crk Basin, ca. 33 km SE of Alturas 2280 Comment
  UC481860  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481865  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481866  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  POM218955  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas. SW end of town. 1360 Comment
  SJSU13880  Salix exigua N. A. Hopkins 1985-5-14 1278 Modoc outskirts of Cedarville, Warner Mts 1524 Comment
  UC481821  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc sw end of town Alturas 1360 Comment
  CAS-BOT-BC229685  Salix lasiandra subsp. caudata F. Angwin 1946-5-23 s.n. Modoc Ash Creek, Adin. 1371 Comment
  CAS-BOT-BC229691  Salix lasiandra subsp. caudata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 188 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  UC481939  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 490 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  NY187672  Salix lasiandra var. lancifolia N. F. Bracelin 1931-6-30 490 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  RSA5668  Salix lasiolepis H. P. Bracelin 1931-6-29 487 Modoc Halfway between Adin and Canby 1350 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-BC229675  Salix lasiolepis var. lasiolepis H. P. Bracelin 1931-6-29 487 Modoc Halfway between Adin and Canby. 1350 Comment
  CAS-BOT-BC229700  Salix lemmonii Louis Cutter Wheeler 1935-8-3 3770 Modoc Pine Creek, Warner Mts. 1554 Comment
  SBBG57898  Salix lemmonii F. D. Payne -Aug-1934 778 Modoc Pine Crk Basin 2316 Comment
  UC437299  Salix lemmonii Belknap C. Goldsmith 1911-5-21 26 Modoc e. shore Goose Lake; Modoc Forest Comment
  SBBG27359  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-30 498 Modoc Parker Crk, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  SEINET10417376  Salix lucida subsp. lasiandra E. K. Balls 1950-5-20 14794 Modoc South Fork Pit River, South Fork Public Camp. 1433 Comment
  CHSC101021  Salix lutea John Dittes 2008-5-21 1519 Modoc Modoc Plateau; Big Valley; ca. 1.7 air miles south of Lookout, ca. 1.1 air miles west of County Road 91; riparian corridor of Pit River. 1259 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
  RSA180603  Salsola tragus T. C. Fuller 1964-10-8 12698 Modoc Levee across the S end of Goose Lake, ca. 5 miles W of Davis Creek. Comment
  CAS-BOT-BC179251  Salvia aethiopis B. Bartholomew 1995-7-31 7078 Modoc Ca. 1.6 km N of turn off to Cedarville on U.S. Hwy 395. 1350 Comment
  HSC81094  Salvia dorrii var. incana G. M. Riegel 1980-7-23 927 Modoc S Warner Mtns. 1739 Comment
  JEPS87064  Salvia dorrii var. incana Dean Wm. Taylor with Glenn Clifton 1990-6-12 10893 Modoc near Battle of Dry Lake (site) (ca 0.5 mi nw along right-of-way of Pacific Gas Pipeline, Modoc Plateau); Modoc Plateau 1280 Comment
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Oct 8 2007
  SJSU6170  Salvia dorrii var. incana J. W. Tilden 1958-6-25 1262 Modoc near Monument Headquarters, Lava Caves, Lava Beds National Monument Comment
  POM68254  Sambucus caerulea Mrs. R. M. Austin 1895-07 167 Modoc Goose Lake Valley. Comment
  UC441302  Sambucus mexicana Milo S. Baker Aug 1898 517 Modoc Bower's Springs Comment
  CAS-BOT-BC238784  Sambucus nigra subsp. caerulea Mrs. C. C. Bruce 1894-7-1 57 Modoc Davis Creek Comment
  CAS-BOT-BC238786  Sambucus nigra subsp. caerulea Alice Eastwood; John Thomas Howell 1940-6-12 8054 Modoc Between Likely and Jess Valley Comment
  JEPS5936  Sambucus racemosa var. microbotrys Frances D. Payne 1931-6-25 256 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  RSA202437  Sanguisorba annua Jack Major 1966-6-24 s.n. Modoc Above Goose Lake. W side of Fandango Pass. 1646 Comment
  CAS-BOT-BC15725  Sanicula graveolens Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 5999 Modoc Cedar Pass. 1920 Comment
  CAS-BOT-BC95564  Sarcobatus vermiculatus E. S. Willits 1940-6-9 340 Modoc Cedarville. Comment
  NY784038  Saxifraga nidifica var. nidifica B. M. Bartholomew 1989-6-2 4776 Modoc Buck Creek, 1 cm [typo for km?] northeast of Fandango Pass Road, west side of the Warner Mountains 1660 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
  UC748343  Saxifraga nidifica var. nidifica Annie M. Alexander and Louise Kellogg 1946-8-3 5115 Modoc head of Eagle Creek; Warner Mountains, Eagle Creek Comment
  UC11860  Saxifraga oregana Milo S. Baker 1893-6 Modoc California Comment
  CAS-BOT-BC247699  Schedonorus pratensis Leland S. Smith 1917-7-23 121 Modoc Joseph Creek. 1828 Comment
  CAS-BOT-BC245128  Schoenoplectus americanus Bruce Bartholomew 1989-8-10 5033 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC245122  Scirpus microcarpus Alice Eastwood; John Thomas Howell 1940-6-13 8183 Modoc E side of Cedar Pass. Comment
  JEPS121208  Scirpus microcarpus Lowell Ahart, John Dittes 2013-7-24 18944 Modoc South margin of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  UC1100835  Scirpus microcarpus Verne Grant and Irving Schneider 1947-7-22 8152 Modoc on dirt road leading to s end Goose Lake one mi nw Highway 395 (headwaters North Fork Pit River); , s end Goose Lake Comment
  CDA39138  Scirpus nevadensis T. C. Fuller 1964-10-8 12697 a Modoc On edge of Goose Lake, north side of levee road, ca. 5 miles west of Davis Creek. 0 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
  UCD92474  Scolochloa festucacea D. Marcum 1997-10-14 s.n. Modoc southern part of county, near border of Lassen County, near town of Adin. 1300 Comment
  POM14466  Scrophularia californica subsp. floribunda Baker 1893-7-8 s.n. Modoc [No location information provided.] Comment
  UC70385  Scutellaria antirrhinoides Milo S. Baker 1893-1 Modoc Egg Lake Comment
  CAS-BOT-BC179225  Scutellaria nana Mrs. R. G. Paulson 1978-6-24 Modoc Egg Lake. Comment
  CAS-BOT-BC179230  Scutellaria nana Lindsay Stuart Smith 1924-5-31 1358 Modoc Egg Lake Ranch and S. Comment
  SJSU11409  Scutellaria nana H. L. Buckalew 1961-7-1 Modoc base of Cedar Mt c. 2 mi NW of Cedar Pass on Hwy 299, Warner Mts 2133 Comment
  CAS-BOT-BC179217  Scutellaria nana Fred P. Cronemiller, Jr. 1920-6-10 5 Modoc McKenzie Spring. 1341 Comment
  CAS-BOT-BC179219  Scutellaria nana Fred P. Cronemiller, Jr. 1920-6-10 5 Modoc McKenzie Spring. 1341 Comment
  CAS-BOT-BC95610  Sedum lanceolatum M. Vasey 1990-6-28 9010 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail. On Cole Peak side of pass. 2590 Comment
  CHSC70723  Sedum lanceolatum S. Stearns 1996-7-3 2231 Modoc N of Bidwell Mtn. just W of Rd. On talus scree bluff, west side of road to Bidwell Mtn. 2286 Comment
  NY758132  Sedum lanceolatum L. C. Wheeler 1935-8-14 3844 Modoc Pine Creek, Warner Mountains 1585 Comment
  CAS-BOT-BC50278  Senecio fremontii var. fremontii Annie Montague Alexander; L. Kellogg 1946-7-29 5084 Modoc Head of Eagle Creek, Warner Mts. Comment
  CHSC85145  Senecio hydrophilus John Dittes; Josephine Guardino 1991-7-21 412 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC50254  Senecio integerrimus var. exaltatus Bruce Bartholomew; Barrett Anderson 1989-6-3 4883 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC50299  Senecio integerrimus var. exaltatus Betty J. Hammerly 1941-6-20 35 Modoc Clear Lake. 1767 Comment
  HSC1960  Senecio serra M. T. Milligan 1966-7-25 573 Modoc E of Jess Valley 1646 Comment
  CAS-BOT-BC50275  Senecio triangularis Bruce Bartholomew 1989-8-11 5064 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  RSA0011805  Shepherdia argentea W. P. Taylor, H. C. Bryant 1910-8-5 s.n. Modoc Warner Mountains, 5 mi. s. of Cedarville. 1433 Comment
  HSC19737  Sibbaldia procumbens M. T. Milligan 1965-7-10 436 Modoc W slope of Eagle Peak. 2439 Comment
  UC519036  Sibbaldia procumbens Elmer I. Applegate 1923-8-1 8023 Modoc just s Warren Peak (high summit of Warner Mountains); Warner Mountains Comment
  POM319037  Sidalcea Patricia Wilder 1971-6-20 5098 Modoc Lookout-White Horse Rd., about 3 mi. west of Lookout; north of Bieber and California State Hiway 299. Pit River Drainage, Cascades Mt. Range. 1372 Comment
  UCD116654  Sidalcea glaucescens Verne Grant; Irving Schneider 1947-7-22 8144 Modoc north fork of Pit River on Highway 395, about one mile north of junction with Cedarville Road. Comment
  CAS-BOT-BC179063  Sidalcea oregana subsp. oregana K. Paulson; Robert Paulson 1988-6-19 51 Modoc E of Happy Camp Guard Station. 1554 Comment
  CAS-BOT-BC179066  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-12 8040 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC179069  Sidalcea oregana subsp. oregana Roxana Stinchfield Ferris; R. Duthie 1919-6-15 35 Modoc Parker Creek. Comment
  CAS-BOT-BC179074  Sidalcea oregana subsp. oregana Annie Montague Alexander; L. Kellogg 1946-7-7 4924 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC179076  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-13 8123 Modoc Dear Davis Creek. Comment
  CAS-BOT-BC179077  Sidalcea oregana subsp. oregana Roxana Stinchfield Ferris; R. Duthie 1919-6-13 59 Modoc Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC179079  Sidalcea oregana subsp. oregana Belknap C. Goldsmith 1912-8-23 68 Modoc Near Alturas. 1341 Comment
  CAS-BOT-BC179084  Sidalcea oregana subsp. oregana Elmer Ivan Applegate 1932-7-8 7565 Modoc Dry W margin of Cowhead Lake. Comment
  CAS-BOT-BC179086  Sidalcea oregana subsp. oregana Leland S. Smith 1922-7-23 1309 Modoc Grouse Mt. 1981 Comment
  CAS-BOT-BC179087  Sidalcea oregana subsp. oregana Bruce Bartholomew 1991-6-20 5770 Modoc Just N of Lassen County line on county road 90. 1220 Comment
  CAS-BOT-BC179089  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-12 8068 Modoc Between Likely and Jess Valley. Comment
  POM260358  Sidalcea oregana subsp. oregana C. L. Hitchcock 1940-5-27 6680 Modoc 15 miles NE of Alturas. 1616 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
  UC1192273  Sidalcea oregana subsp. oregana Verne Grant, Irving Schneider 1947-7-22 8144 Modoc on Highway 395 about one mi n of junction with Cedarville Road (North Fork of Pit River); , n of jct w Cedarville Road Comment
  RSA448575  Sidalcea oregana subsp. oregana Christopher Davidson 1973-5-26 2150 Modoc 1 mile N. of Adin Summit on St Hwy 299, Modoc National Forest 1524 Comment
  CAS-BOT-BC179054  Sidalcea oregana subsp. spicata Leland S. Smith 1922-7-13 1265 Modoc Crowder Flat Ranger Station Pasture. 1463 Comment
  CAS-BOT-BC179056  Sidalcea oregana subsp. spicata Bruce Bartholomew; Barrett Anderson 1990-7-19 5437 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC179057  Sidalcea oregana subsp. spicata Annie Montague Alexander; L. Kellogg 1946-7-18 5024 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC179059  Sidalcea oregana subsp. spicata Milo Samuel Baker 1893-1-1 Modoc Forestdale. Comment
  JEPS50914  Silene douglasii Leland S. Smith 1918-6-22 964 Modoc Lily Lake-High Grade Modoc Forest, Lily Lake, High Grade 2042 Comment
  CAS-BOT-BC95272  Silene menziesii Bruce Bartholomew 1991-7-6 5999 Modoc Rush Creek above Upper Rush Creek Camp Ground. 1580 Comment
  UC8480  Silene menziesii Mrs. R. M. Austin Aug., 1894 Modoc Sugar Loaf Hill Comment
  HSC80711  Silene oregana G. M. Riegel 1980-8-9 1024 Modoc S Warner Mts. 1670 Comment
  CDA3901  Sinapis arvensis T. C. Fuller 1959-7-8 s.n. Modoc Junction of Highways 299 and 139, 1 miles west of Canby. 0 Comment
  CAS-BOT-BC95043  Sisymbrium altissimum James D. Jokerst 1983-7-27 1903 Modoc Near Signal Butte. 1340 Comment
  CDA13477  Sisymbrium altissimum G. F. Hrusa, T. D. Wilfred 1996-7-21 13324 Modoc Modoc Plateau; Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC106327  Sisymbrium altissimum Lowell Ahart; John Dittes 2010-8-31 17130 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC6906  Sisymbrium altissimum M. T. Milligan 1966-6-29 488 Modoc N end of Jess Valley 1616 Comment
  JEPS117364  Sisymbrium altissimum Lowell Ahart, John Dittes 2010-8-30 17078 Modoc Along the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CHSC112428  Sisymbrium orientale Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18760 Modoc About 100 yards east of the Parking Area, near the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  SEINET3158643  Sisyrinchium douglasii E. K. Balls 1950-5-11 14629 Modoc 8.1 miles NE of Fort Bidwell, above Cow Head Lake, along 8-Mile Creek. 1463 Comment
  JEPS62134  Smilacina racemosa Leland S. Smith 1918-6-22 953 Modoc Lily Lake Modoc National Forest, High Grade District (near stream) Comment
  UC1036057  Smilacina racemosa Annie M. Alexander and Louise Kellogg 1946-7-1 4892 Modoc 1/2 mi e summit <of> Bidwell Creek Road; Warner Mountains Comment
  SEINET3154297  Smilacina sessilifolia Mrs. M. H. Manning 1903-1 114 Modoc Ft. Bidwell Comment
  UC1101053  Smilacina stellata Verne Grant and Irving Schneider 1947-7-22 8141 Modoc on Hwy 395 about 1 mi n junction with Cedarville road; North Fork of Pit River 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
  UCR131618  Solanum triflorum L. C. Wheeler 1935-9-22 3995 Modoc Warm Springs Valley, Pit River at Rattlesnake Butte 1341 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
  UC26262  Solanum umbelliferum M. S. Baker and Frank Nutting 1894-6-8 Modoc Little Hot Spring Valley Comment
  UCR57899  Solidago californica R. D. Goeden, Don W. Ricker 1989-8-23 33 Modoc Warner Mtns., Modoc National Forest, just west of Fandango Pass 1841 Comment
  UCD135905  Solidago confinis Herbert L. Mason 1947-8-9 13459 Modoc Ingalls Swamp, north of Big Sage Reservoir, northwest of Alturas. Comment
  JEPS5954  Solidago elongata Frances D. Payne 1933-8-5 768 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC54283  Solidago velutina subsp. californica Bruce Bartholomew 1989-8-12 5126 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  CAS-BOT-BC158915  Sorbus scopulina K. Paulson; R. Paulson 1991-8-28 253 Modoc Poison Lake, N end of Warner Mountains 1828 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-BC242256  Sparganium emersum Verne Grant; I. Schneider 1947-7-22 8137 Modoc North Fork of Pit River by State Quarantine Station. Comment
  UCD94837  Sparganium emersum Verne Grant; Irving Schneider 1947-7-18 8057 Modoc South loop of eastside road in Pit River Valley, S of Alturas. Comment
  UC1099921  Sparganium emersum var. emersum Herbert L. Mason 1947-8-15 13562 Modoc 11 mi from Davis Creek (spring leading to w side of Goose Lake) Comment
  CAS-BOT-BC15685  Sphenosciadium capitellatum Bruce Bartholomew 1994-8-21 6865 Modoc Squaw Peak Trail, E side of the Warner Mountains. 2240 Comment
  UC71760  Sphenosciadium capitellatum Mrs. M. H. Manning August, 1903 199 Modoc Mill Canyon; north-eastern Modoc County Comment
  JEPS45016  Spiraea douglasii Milo S. Baker 1893-7-12 Modoc Forestdale Comment
  UC13092  Spiraea douglasii Milo S. Baker 1893-7-12 Modoc Comment
  JEPS63049  Stachys palustris subsp. pilosa Mrs. R. M. Austin September 1894 206 Modoc Goose Lake Comment
  CAS-BOT-BC179213  Stachys pilosa B. Bartholomew 1989-8-13 5144 Modoc Hunter Spring, just W of Knox Flat. 1800 Comment
  CAS-BOT-BC179214  Stachys pilosa M. Vasey 1990-6-30 9032 Modoc Near Lava Camp (end of road), Egg Lake. 1300 Comment
  SEINET5337329  Stellaria longipes M. H. Manning 144 Modoc Near Forb Bidwell Comment
  CAS-BOT-BC95296  Stellaria longipes var. longipes M. M. Hanna 1956-6-7 1020 Modoc Hwy 139, between Canby and Tienesta. Comment
  CAS-BOT-BC54251  Stenotus acaulis Leland S. Smith 1917-7-17 83 Modoc Head of Shield Creek. 2133 Comment
  CAS-BOT-BC54263  Stenotus stenophyllus E. S. Willits 1940-5-6 227 Modoc Davis Creek. 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
  UC566706  Stephanomeria tenuifolia F. H. Frost 1925-7-27 170 Modoc Clear Lake, nw Modoc County Clear Lake Comment
  CHSC113063  Stipa nelsonii var. dorei Lowell Ahart; John Dittes 2013-7-25 18960 Modoc South edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3 miles (air) west of Adin, Big Valley. 1267 Comment
  HSC80833  Stipa occidentalis var. californica G. M. Riegel 1980-7-29 956 Modoc S Warner Mtns. 1829 Comment
  JEPS120566  Stipa thurberiana L. P. Janeway, B. Castro 2012-7-28 11038 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
  UC748373  Streptanthus cordatus Annie M. Alexander and Louise Kellogg 1946-6-22 4815 Modoc 3 mi above Fort Bidwell; Bidwell Creek Comment
  CAS-BOT-BC95059  Streptanthus cordatus var. cordatus M. Vasey 1990-6-28 9009 Modoc In vicinity of pass at junction of N Emerson Lake Trail and Owl Creek Trail, on Cole Peak side of pass. 2590 Comment
  UC429278  Streptopus amplexifolius var. americanus Milo S. Baker Aug 1899 Modoc Taylor Creek Forestdale (Forestdale) Comment
  CAS-BOT-BC242263  Stuckenia striata Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River at Lookout. Comment
  CAS-BOT-BC242264  Stuckenia striata Herbert Louis Mason 1955-8-14 14648 Modoc S end of Goose Lake. Comment
  CAS-BOT-BC180102  Swertia albicaulis var. albicaulis John Thomas Howell 1934-6-12 11990 Modoc 9 mi. S of Davis Creek. Comment
  CAS-BOT-BC180108  Swertia albicaulis var. albicaulis Elmer Ivan Applegate 1897-5-31 327 B Modoc Dry Lake. Comment
  CAS-BOT-BC180095  Swertia albicaulis var. nitida Milo Samuel Baker 1894-6-13 Modoc Near Egg Lake. Comment
  CHSC111994  Swertia radiata B. Castro; L. P. Janeway 2008-8-17 1749 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope near upper edge of last row of trees. 2308 Comment
  RSA0065577  Symphoricarpos oreophilus Marion P. Harthill 1972-6-17 847 Modoc Cedar Pass. 1920 Comment
  CAS-BOT-BC95201  Symphoricarpos rotundifolius var. rotundifolius Bruce Bartholomew 1989-7-15 5014 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  JEPS22822  Symphoricarpos rotundifolius var. rotundifolius F. H. Frost 1925-7-11 30 Modoc 3 mi above Cedarville; Warner Mountains, Cedar Canyon Comment
  JEPS5935  Symphoricarpos rotundifolius var. rotundifolius Frances D. Payne 1931-6-21 231 Modoc s and e of Alturas (ridge w of Dry Creek, n tributary of Parker Creek); Warner Mountains, Parker Creek 1981 Comment
  RSA99355  Symphoricarpos vaccinioides F. W. Peirson 1926-6-25 6880 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  UC71844  Symphyotrichum ascendens Mrs. M. H. Manning Sep 1 1902-Oct 1 1902 18 Modoc Ft. Bidwell Comment
  UC75818  Symphyotrichum ascendens Milo S. Baker 1898-8-1 524 Modoc Forestdale Comment
  UC86736  Symphyotrichum ascendens Mrs. R. M. Austin Jun 1894 207 Modoc Goose Lake Valley Comment
  SD64360  Symphyotrichum bracteolatum Darley F. Howe 1966-8-26 Modoc 1.3 miles north of Lassen-Modoc County Line. East of Warner Mountains. 1340 Comment
  RSA0118760  Symphyotrichum campestre Lowell A. Ahart, John Dittes 2013-7-25 18950 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  CAS-BOT-BC15155  Symphyotrichum foliaceum var. parryi Bruce Bartholomew; Barrett Anderson 1988-7-22 4541 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC15157  Symphyotrichum frondosum Leland S. Smith 1922-10-22 1338 Modoc Along shore of Clear Lake 1341 Comment
  CAS-BOT-BC15158  Symphyotrichum frondosum E. S. Willits 1939-10-10 165 Modoc Surprise Valley. 1371 Comment
  JEPS40832  Symphyotrichum spathulatum L. S. Smith 1918-8-27 1053 Modoc below Squaw Peak ((Milk Creek)); Modoc National Forest, Milk Creek 2438 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
  JEPS27314  Synthyris missurica Frances D. Payne 1931-6-29 287 Modoc e slope of Mt. Warren, s of Mosquito Lake; Warner Mountains 2286 Comment
  CHSC109733  Synthyris missurica subsp. missurica B. Castro; L. P. Janeway 2012-7-28 1980 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). 1943 Comment
  RSA27982  Synthyris missurica subsp. missurica C. Leo Hitchcock 1940-5-27 6716 Modoc 15 miles NE of Alturas. 1982 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
  UCD86103  Taeniatherum caput-medusae Beecher Crampton; with Carl W. Rimbey 1954-7-6 2089 Modoc Porter Ranch, 8 miles east of Alturas. Comment
  HSC6253  Taraxacum officinale M. T. Milligan 1965-6-23 287 Modoc N end Jess Valley 1616 Comment
  RSA101506  Taraxacum officinale R. Weatherby 1955-7-7 1599 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  JEPS15479  Taraxia tanacetifolia Joseph and Hilda Grinnell 1938-6-16 1115 a Modoc flat land near Cow Head Lake 1676 Comment
  CAS-BOT-BC54236  Tetradymia canescens Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10599 Modoc 5.5 mi. from Patterson Ranger Station on Eagleville Rd. Comment
  CAS-BOT-BC54237  Tetradymia canescens John Thomas Howell 1934-7-1 12330 Modoc Duncan Horse Camp. 1355 Comment
  UC91586  Tetradymia canescens Mrs. R. M. Austin Sept 1894 265 Modoc near Alturas Comment
  CAS-BOT-BC54235  Tetradymia canescens Leland S. Smith 1918-7-7 976 Modoc Modoc County. Comment
  CAS-BOT-BC54238  Tetradymia glabrata Bruce Bartholomew 1990-6-17 5291 Modoc Surprise Valley, W side of Lower Alkali Lake, 5.6 km N of Lassen County border. 1370 Comment
  CDA8929  Tetradymia glabrata Loring White 1960-5-17 Modoc 12 miles southeast of Eagleville. 0 Comment
  CAS-BOT-BC217131  Thalictrum fendleri Francis Dorris Payne 1931-6-21 218 Modoc Ridge SW of Dry Creek, Warner Mts. 1981 Comment
  CAS-BOT-BC217170  Thalictrum fendleri Annie Montague Alexander; L. Kellogg 1946-7-2 4895 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  JEPS60731  Thalictrum fendleri Leland S. Smith 1918-6-22 946 Modoc Lily Lake Modoc National Forest 2103 Comment
  RSA399560  Thalictrum fendleri George Willet 1935-6-21 s.n. Modoc Warner Mtns. 2287 Comment
  POM100476  Thalictrum polycarpum R. M. Austin 1895-07 552 Modoc Willow Creek (Devils Garden) Comment
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Jul 11 2010
  CAS-BOT-BC95073  Thelypodium flexuosum Bruce Bartholomew 1993-6-13 6633 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  SEINET248027  Thelypodium flexuosum Unknown 1998-5-30 12997 Modoc Surprise Valley, Modoc Country Road 299, 6.9 km (4.3 mi) east of downtown Cedarville, at a turnoff to some hotsprings. 1370 Comment
  RSA551271  Thelypodium flexuosum Bruce Bartholomew 1991-5-24 5696 Modoc Surprise Valley, 5.1 km E of Eagleville 1370 Comment
  RSA429573  Thelypodium milleflorum G. Willett 1935-6-9 s.n. Modoc Eagleville. Comment
  SEINET3131787  Thermopsis argentata M. S. Baker 1899-8-14 sn Modoc Forestdale Comment
  CHSC99967  Thermopsis californica var. argentata Lowell Ahart; John Dittes 2008-8-26 15333 Modoc On the sides of an unnamed road, 200 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS114433  Thermopsis californica var. argentata Lowell Ahart, John Dittes 2008-8-26 15333 Modoc On the sides of an unnamed road, 200 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  UCD162393  Thinopyrum intermedium Chuck Hughes 2015-9-12 438 Modoc Near the Larry Flat Campound, Modoc National Forest. 1823 Comment
  JEPS54042  Thlaspi arvense L. S. Smith 1919-5-1 1092 Modoc flats around Alturas; around Alturas Comment
  UCD115579  Thlaspi arvense P. B. Kennedy 1917-1 s.n. Modoc Adin. Comment
  UC11012  Thysanocarpus curvipes M. S. Baker and Frank Nutting 1894-6-15 Modoc Little Hot Spring Valley Comment
  RSA520375  Thysanocarpus curvipes var. curvipes Bruce Bartholomew, B. Anderson 1989-6-1 4738 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  RSA0057565  Thysanocarpus curvipes var. elegans Bruce Bartholomew, B. Anderson 1988-6-23 4229 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  NY1083232  Tiquilia nuttallii B. M. Bartholomew 1989-6-2 4830 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  SEINET201659 Image available Torreyochloa pallida var. pauciflora A. Cronquist, AH Holmgren 1959-6-19 8514 Modoc Clear Lake: along Mill Creek at head of Clear Lake Warner Mountains. 15 miles east of Likely 1829 Comment
  RSA0011493  Tribulus terrestris Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46968 Modoc North edge of Likely along south fork of Pit River 1357 Comment
  HSC41112  Trichostema simulatum Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3259 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  RSA318961  Trifolium Patricia Wilder 1971-6-20 5075 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
  UCD107610  Trifolium beckwithii Z. Farmer 1948-7-1 s.n. Modoc Triangle Ranch, near Alturas. Comment
  CHSC117567  Trifolium cyathiferum Lowell Ahart; John Dittes 2016-7-14 21172 -A Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wild life Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC748296  Trifolium cyathiferum Annie M. Alexander and Louise Kellogg 1946-7-12 4979 Modoc Twelve Mile Creek ne corner of county Comment
  RSA210816  Trifolium fragiferum Robert F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39123 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  JEPS17729  Trifolium kingii var. productum Rimo Bacigalupi with G. T. Robbins 1955-7-20 5391 Modoc 3.3 mi e Patterson Ranger Station; Warner Mtns, southern end, Modoc Ntional Forest 2225 Comment
  JEPS66052  Trifolium kingii var. productum Leland S. Smith 1918-6-23 857 Modoc vicinity Modoc Forest (High Grade) Comment
  JEPS33202  Trifolium longipes var. hansenii Frances D. Payne 1931-6-25 253 Modoc 2 mi sw Warren Mtns (Pine Creek Basin) 2316 Comment
  CAS-BOT-BC181740  Trifolium longipes var. oreganum Bruce Bartholomew; Barrett Anderson 1988-6-24 4305 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  RSA0014359  Trifolium macrocephalum Joan Stewart 2005-6-6 2488 Modoc Stowe Reservoir, Warner Mountains. Comment
  UC190602  Trifolium macrocephalum M. F. Gilman 617 Modoc Mt. Meadow 1828 Comment