Search Results — 2000 specimen records retrieved (1504 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC15631  Achillea millefolium Roxana Stinchfield Ferris; R. Duthie 1919-6-15 159 Modoc Parker Creek. Comment
  CAS-BOT-BC15668  Achillea millefolium John H. Hatton 1911-6-13 84 Modoc Modoc County. 1371 Comment
  RSA607252  Achillea millefolium Louis C. Wheeler 1935-8-16 3874 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC242289  Achnatherum R. K. Gierisch; D. H. Esplin 1969-7-15 3545 Modoc Modoc County. Comment
  UCD50343  Achnatherum hymenoides Beecher Crampton; with Carl Rimbey 1954-7-7 2151 Modoc 7 miles east of Cedarville. Comment
  CAS-BOT-BC242277  Achnatherum lemmonii Bruce Bartholomew 1990-6-17 5310 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC242325  Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi. N of Alturas, near Surprise. 1402 Comment
  UC1024860  Achnatherum lemmonii Leo Whitney 1935-6-1 3170 Modoc 1 mi sw White Horse Comment
  UCD50499  Achnatherum lemmonii R. Tofsrud 1947-7-1 245 Modoc Between Canby and Adin, Modoc County. Comment
  UCD50705  Achnatherum lemmonii E. Wilson 1934-5-14 s.n. Modoc East side of pass from Alturas to Cedarville. Comment
  UCD50712  Achnatherum lemmonii L. Whitney 1935-5-15 s.n. Modoc Near Alturas. Comment
  CAS-BOT-BC242323  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1990-7-20 5463 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  UC1025017  Achnatherum nelsonii subsp. dorei Leo Whitney 1935-7-12 2497 Modoc 10 mi w Cody (Cottonwood Flat); Cottonwood Flat Comment
  UC1024941  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-3 3331 Modoc 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UC1025001  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-11 3458 Modoc 4 mi e Medicine Lake (Glass Mountain); Glass Mountain Comment
  UC1037183  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-8-9 3602 Modoc 17 mi nw Canby (Badger Wells; USBE Plot-- MC--8) Comment
  POM203131  Achnatherum thurberianum J. T. Howell 1934-6-30 12273 Modoc Duncan Horse Camp. Comment
  UC1024924  Achnatherum thurberianum Leo Whitney 1935-6-30 3354 Modoc open flat near Hackamore (ca. 15 mi nw of Canby); Modoc National Forest 1463 Comment
  UC1024980  Achnatherum thurberianum Leo Whitney 1935-7-6 3418 Modoc Pit River near Lookout; Pit River Comment
  SEINET5327387  Acmispon denticulatus M. J. Williams 1984-6-20 84- 82 -2 Modoc 13.4 mi W along Parker Creek Road 1585 Comment
  RSA520447  Aconitum columbianum var. columbianum Bruce Bartholomew 1990-7-20 5498 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC218316  Actaea rubra K. Paulson; Robert Paulson 1990-7-2 208 Modoc Cave Lake, W side of Warner Mts. 1987 Comment
  HSC81034  Adenocaulon bicolor G. M. Riegel 1980-7-2 806 Modoc S Warner Mtns. 1670 Comment
  RSA0055854  Adenocaulon bicolor Doris Bowers 1972-9-2 1894 Modoc Upper Camp, Rush Creek, N/o Adin 1220 Comment
  CAS-BOT-BC218328  Adonis aestivalis K. Paulson; Robert Paulson 1988-6-10 22 Modoc SW of Dorris Reservoir. 1341 Comment
  CDA36051  Adonis aestivalis CDFA Staff 1978-1 Modoc One mile east of Canby. 0 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
  POM260185  Agastache urticifolia C. L. Hitchcock 1940-5-27 6704 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA504845  Agastache urticifolia Bruce Bartholomew, B. Anderson 1988-7-21 4459 Modoc Vicinity of Patterson Campground, Southern end of the Warner Mountains. 668 Comment
  HSC5646  Ageratina occidentalis M. T. Milligan 1966-7-7 565 Modoc Slopes and ridges east of Jess Valley 1768 Comment
  HSC42416  Ageratina occidentalis Barbara Kelly 1977-8-9 578 Modoc Trail to Clear Lake; first right hand bend from fork to Mill Creek Falls. Comment
  RSA606125  Ageratina occidentalis Louis C. Wheeler 1935-8-14 3839 Modoc Pine Creek. Warner Mtns. 2012 Comment
  CAS-BOT-BC21367  Agoseris aurantiaca Bruce Bartholomew 1990-8-4 5622 Modoc Slope on N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2380 Comment
  CAS-BOT-BC21365  Agoseris aurantiaca var. aurantiaca Annie M. Alexander; Louise Kellogg 1946-7-23 5040 Modoc Emerson Peak, Warner Mountains Comment
  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
  UC29350  Agoseris heterophylla var. heterophylla Milo S. Baker 1893-6-15 Modoc near, rocky slope Pitt River Comment
  HSC4605  Agoseris monticola M. T. Milligan 1965-6-26 333 Modoc N end Jess Valley. 1616 Comment
  CAS-BOT-BC126784  Agoseris parviflora Isabel T. Kelly 1930-1-1 58 Modoc unspecified Comment
  JEPS36225  Agoseris parviflora W. L. Jepson 1918-8-13 7959 Modoc steep sagebrush hillside Eagle Peak; Warner Mts. 2286 Comment
  RSA26447  Agoseris parviflora J. T. Howell, Alice Eastwood 1940-6-11 8029 Modoc 8 miles from Canby on road to Alturas Comment
  RSA416449  Agoseris parviflora Christopher Davidson 1975-6-4 2614 Modoc 2.5 mi W of Cedarville on Hwy 299. South sloping hillside of rocky basalt and red clay. 1677 Comment
  CAS-BOT-BC15603  Agoseris retrorsa Bruce Bartholomew 1993-6-12 6579 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  JEPS36389  Agoseris retrorsa Milo S. Baker 1893-7-12 Modoc South Hillside Comment
  UCD57174  Agropyron cristatum B. L. Kay 1957-6-1 s.n. Modoc Modoc Co. Comment
  CHSC85179  Agropyron desertorum John Dittes; Josephine Guardino 1991-7-21 433 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
  UC1100110  Agrostis alba Verne Grant and Irving Schneider 1947-7-21 8131 Modoc by bridge on Highway 395 (n of Alturas); North Fork of Pit River Comment
  CAS-BOT-BC242377  Agrostis capillaris Bruce Bartholomew; Barrett Anderson 1988-7-21 4431 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  CHSC85406  Agrostis exarata John Dittes; Josephine Guardino 1991-8-23 456 Modoc Modoc Plateau; Warner Mountains; southwest edge of Dismal Swamp; ca. 7.4 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.7 air-miles south of Oregon border, ca. 3.3 air-mile northwest of summit of Bidwell Mtn. Meadow. 2209 Comment
  JEPS68387  Agrostis exarata L. S. Smith 1917-7-27 124 Modoc Joseph Creek Warner Mts. 1584 Comment
  UCD52339  Agrostis exarata L. D. Whitney 1935-7-24 s.n. Modoc near Hackamore. Comment
  UC1024667  Agrostis pallens Leo Whitney 2182 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UCD53122  Agrostis pallens Leo Whitney Date Unknown 2182 Modoc Hackamore, 15 miles norhtwest of Canby, Modoc National Forest. 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
  CAS-BOT-BC242420  Agrostis stolonifera Bruce Bartholomew 1992-8-7 6359 Modoc Along the Pit River just SW of Canby Bridge. 1300 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-BC190684  Aliciella micromeria Bruce Bartholomew; Barrett Anderson 1989-6-2 4820 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  UC985651  Alisma plantago-aquatica Herbert L. Mason 1947-8-12 13508 Modoc Alturas, junction of North and South Forks of Pit River Pit River Comment
  UC1036060  Alisma plantago-aquatica Annie M. Alexander and Louise Kellogg 1946-6-3 4906 Modoc Fort Bidwell 1444 Comment
  UC985650  Alisma plantago-aquatica Herbert L. Mason 1947-8-15 13559 Modoc 11 mi from Davis Creek (spring leading into w side of Goose Lake); Goose Lake Comment
  CAS-BOT-BC245002  Allium acuminatum Margaret J. Williams 1984-6-30 84- 75 -4 Modoc 27.4 mi. N of Cedar Pass road on Hwy 395. 1295 Comment
  CAS-BOT-BC245016  Allium acuminatum Milo Samuel Baker 1936-6-13 8327 Modoc W entrance to Cedar Pass. Comment
  CHSC118323  Allium acuminatum L. P. Janeway 2016-5-18 12051 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  POM110315  Allium acuminatum Mrs. R. M. Austin 1895-07 499 Modoc Goose Lake Valley. Comment
  RSA70206  Allium acuminatum F. W. Peirson 1926-6-25 6874 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  CAS-BOT-BC459426  Allium acuminatum Roxana S. Ferris; Rena Duthie 1919-6-13 31 Modoc at base of Warner Mts above Parker Creek. Comment
  RSA520463  Allium acuminatum K. Paulson, R. Paulson 1989-6-14 137 Modoc Junction of Highway 299 and Highway 395 at turn off to Cedar Pass 1372 Comment
  CAS-BOT-BC244993  Allium bisceptrum var. bisceptrum Bruce Bartholomew 1991-8-6 6091 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  CAS-BOT-BC244995  Allium bisceptrum var. bisceptrum Leland S. Smith 1920-7-31 1190 Modoc Patterson Mill. 2133 Comment
  UC71726  Allium bisceptrum var. bisceptrum Mrs. M. H. Manning 1903-4-18 81 Modoc near Fort Bidwell Comment
  CAS-BOT-BC244987  Allium lemmonii James Vale; et al 1981-5-23 4111 Modoc On White Horse Road enroute to Egg Lake from Lookout. 1252 Comment
  CHSC85112  Allium lemmonii John Dittes; Josephine Guardino 1991-7-21 427 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
  JEPS114943  Allium lemmonii Lowell Ahart, John Dittes 2008-6-21 15013 Modoc South of a large pond, south of a large levee, in Big Valley, about 4.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.6 miles (air) northeast of Bieber 1266 Comment
  RSA367064  Allium lemmonii George Willet 1935-6-21 s.n. Modoc Warren Mountains. 2287 Comment
Read comments
Jul 16 2011
  RSA540060  Allium lemmonii Bruce Bartholomew 1990-6-16 5279 Modoc Bear Flat, west side of Warner Mountains. 1830 Comment
  CAS-BOT-BC244979  Allium parvum Bruce Bartholomew; Barrett Anderson 1989-4-30 4714 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  CAS-BOT-BC244980  Allium parvum Bruce Bartholomew; Barrett Anderson 1989-6-1 4771 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  SEINET201568  Allium platycaule Unknown 1959-6-20 8523 Modoc Cedarbille pass; Warner Mts. between Cedarville and Alturas. 1951 Comment
  UC1133832  Allium platycaule R. C. Wilson 1933-5-30 33 Modoc Rush Creek Camp Modoc National Forest, Canby Quadrangle, Rush Creek Camp Comment
  HSC29976  Allium tolmiei var. tolmiei D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19315 Modoc Soup Springs Campground Comment
  UC71673  Allium tolmiei var. tolmiei Mrs. M. H. Manning June, 1903 67 Modoc near Fort Bidwell (back of the Three trees) 1981 Comment
  JEPS47628  Allium tolmiei var. tolmiei Mrs. R. M. Austin May 1894 165 Modoc Adobe Flats Goose Lake Valley, Adobe Flats 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
  UC23583  Allophyllum gilioides subsp. gilioides Milo S. Baker 1893-7-8 Modoc Forestdale Comment
  CHSC30630  Alopecurus Sandra C. Morey 1980-4-26 75 Modoc Hwy. 299, ca. 0.1 mi. n of jctn. with Hwy 139 at Adin. In ditch along roadside. 1280 Comment
  CAS-BOT-BC242350  Alopecurus aequalis Leland S. Smith 1924-6-8 1386 Modoc West side Egg Lake - Modoc National Forest Comment
  UCD55825  Alopecurus aequalis August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Pease Cabin. Comment
  UCD55835  Alopecurus aequalis Beecher Crampton; Carl Rimbey 1954-7-8 2173 Modoc 15 miles east of Likeley, Warner Mountains, floor of Jess Valley. Comment
  CAS-BOT-BC242337  Alopecurus geniculatus James D. Jokerst 1983-7-27 1906 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC242341  Alopecurus geniculatus Bruce Bartholomew; Barrett Anderson 1988-6-23 4254 Modoc 4.2 km NW of Day. 1020 Comment
  UC1100226  Alopecurus geniculatus Herbert L. Mason and Verne Grant 1947-7-12 13396 Modoc several mi. s. Alturas (irrgation ditch by Jones' Lane, off Hwy. 395) Comment
  CHSC112687  Alopecurus pratensis Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18768 Modoc Meadow, about 100 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC58603  Alyssum simplex Bruce Bartholomew; Barrett Anderson 1989-6-1 4752 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  SEINET5340081  Alyssum simplex M. J. Williams 1988-5-28 88- 19 -4 Modoc Hwy 395, intersection with Davis Creek road. Comment
  CHSC113818  Amaranthus blitoides Richard R. Halse 2010-9-2 8110 Modoc Warner Mountains; Modoc National Forest; along State Hwy. 299 ca. 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead. 1619 Comment
  CHSC99247  Amaranthus californicus Lowell Ahart; John Dittes 2008-6-21 14982 Modoc In the drying pond north of the large culvert, east of the large levee, mountain meadow, in Big Valley about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  JEPS127161  Amaranthus californicus Lowell Ahart, John Dittes 2016-7-16 21253 Modoc South of Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.7 miles (air) southwest of Adin Big Valley. Comment
  SEINET200136 Image available Amaranthus californicus Unknown 1947-7-10 13326 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  POM229957  Amaranthus californicus L. C. Wheeler 1935-8-18 3891 Modoc 2 miles northeast of Alturas 1357 Comment
  JEPS114664  Amaranthus powellii Lowell Ahart, John Dittes 2008-8-25 15290 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  HSC65381  Amaranthus retroflexus Thomas Wood 1979-8-8 213 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  UC71785  Ambrosia acanthicarpa Mrs. M. H. Manning 1904-1-1 393 Modoc near(?) Fort Bidwell Comment
  RSA504634  Amelanchier pumila Bruce Bartholomew 1988-6-24 4315 Modoc Cave Lake, W side of the Warner Mountains. 2130 Comment
  CAS-BOT-BC214628  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1988-5-13 4174 Modoc 0.6 km N of Jess Valley on West Warner Road, W side of the Warner Mts.. 1620 Comment
  CAS-BOT-BC217099  Amelanchier utahensis Annie Montague Alexander; L. Kellogg 1946-6-5 4658 A Modoc Emerson Creek, S of Eagleville, Warner Mts. 1783 Comment
  CAS-BOT-BC217100  Amelanchier utahensis John Thomas Howell 1934-6-12 12040 Modoc N side of Fandango Valley. Comment
  CAS-BOT-BC245113  Amphiscirpus nevadensis Herbert Louis Mason 1947-8-15 13543 Modoc Mouth of Crane Creek on Willow Ranch, E side of Goose Lake. Comment
  CAS-BOT-BC245115  Amphiscirpus nevadensis Herbert Louis Mason; Verne Grant 1947-7-12 13436 Modoc Corporation Ranch Headquarters, N of Likely. Comment
  CHSC85172  Amsinckia menziesii John Dittes; Josephine Guardino 1991-7-21 393 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
  JEPS25208  Amsinckia menziesii var. menziesii Frances D. Payne 1931-6-17 184 Modoc Parker Creek s and e of Alturas; Warner Mountains 1584 Comment
  RSA0079999  Amsinckia retrorsa E. K. Balls 1950-5-15 14695 Modoc 14.8 mi. west of Alturas, Hwy. 299. 1341 Comment
  CAS-BOT-BC54159  Amsinckia tessellata var. tessellata Alice Eastwood; John Thomas Howell 1940-6-13 8162 Modoc Fort Bidwell. Comment
  CDA40464  Amsinckia tessellata var. tessellata Jim Jokerst 1983-7-27 1917 Modoc East side of Highway 395 south of Alturas, north of Signal Butte. 0 Comment
  CAS-BOT-BC15605  Ancistrocarphus filagineus Alice Eastwood; John Thomas Howell 1940-6-15 8298 Modoc 5 mi. N of Lookout. Comment
  CAS-BOT-BC15618  Antennaria argentea Margaret J. Williams 1984-6-29 84- 72 -2 Modoc Cave Lake. 2133 Comment
  CAS-BOT-BC15621  Antennaria argentea Annie Montague Alexander; L. Kellogg 1946-6-17 4785 Modoc Cedar Pass road. 1767 Comment
  SEINET6735044 Image available Antennaria argentea M. J. Williams 1984-6-29 84- 72 -2 Modoc Cave Lake, west side of the Warner Mountains. 2134 Comment
  CAS-BOT-BC15578  Antennaria dimorpha E. S. Willits 1940-4-16 180 Modoc Sugar Hill. Comment
  UC485205  Antennaria dimorpha Franklin P. Nutting Modoc Egg Lake Comment
  UC75820  Antennaria dimorpha Milo S. Baker Modoc near, (at Pine Woods) Egg Lake; Pine Woods Comment
  CAS-BOT-BC15554  Antennaria luzuloides John H. Hatton 1911-6-14 90 Modoc Pit River Ranger Station. 1295 Comment
  RSA41983  Antennaria luzuloides H. C. Cantelow 1935-6-8 860 Modoc NE of Bierber Comment
  JEPS5986  Antennaria rosea Frances D. Payne 1932-6-26 608 Modoc high ridges n of; Warner Mountains, Parker Creek 1828 Comment
  RSA606135  Antennaria rosea L. C. Wheeler 1935-8-8 3808 Modoc Warner Mountains: N Fork Bidwell Creek. 2378 Comment
  SBBG22250  Antennaria rosea C. B. Hardham 1961-6-20 7883 a Modoc rd from Mt Bidwell to Dismal Crk Comment
  CAS-BOT-BC15556  Antennaria rosea subsp. rosea Clare Butterworth Hardham 1961-6-20 7883 A Modoc Road from Mt. Bidwell to Dismal Swamp. 2438 Comment
  HSC4637  Antennaria rosea subsp. rosea M. T. Milligan 1965-6-27 363 Modoc E slope of eroded volcanic plateau. 1677 Comment
  CHSC54186  Aphyllon purpureum Vernon H. Oswald 1991-5-28 4630 Modoc North side of parking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north northeast of Bieber. 1264 Comment
  HSC3214  Apocynum androsaemifolium M. T. Milligan 1964-7-1 110 Modoc Ballard's Resvr. Rd. 3 mi. E of Modoc Co. Rd. 54. 1372 Comment
  UC22898  Apocynum cannabinum Mrs. R. M. Austin and Bruce 1898-7-1 2336 Modoc Middle Lake Comment
  UCSC000562  Apocynum pumilum F. H. Frost 1925-7-13 70 Modoc Warner Mountians, Cedar Canyon, Mountian roadside Comment
  RSA84425  Aquilegia formosa F. W. Peirson 1926-6-25 6879 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  RSA0016880  Aquilegia formosa R. M. Austin 1898-07 2296 Modoc Ross Canyon. Comment
  CAS-BOT-BC218340  Aquilegia formosa var. formosa Leland S. Smith 1920-7-13 1176 Modoc Grizzley's. 1554 Comment
  CAS-BOT-BC218347  Aquilegia formosa var. formosa Belknap C. Goldsmith 1912-8-6 85 Modoc W side of Goose Lake. 1463 Comment
  HSC18038  Aquilegia formosa var. formosa M. T. Milligan 1964-7-4 217 Modoc Lassen Creek above lower campground 1829 Comment
  JEPS54274  Arabidopsis thaliana Frances D. Payne 1930-3-29 347 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  UC10127  Arabis glabra Milo S. Baker 1893-6-24 Modoc near Pit River Comment
  NY114572  Arabis holboellii var. pendulocarpa R. C. Rollins 1981-6-1 81194 Modoc Warner Mtns., ca. 2 miles N of summit of road between Lake City and U.S. Hwy. 395 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
  UCR64467  Arabis puberula Christopher Davidson 1975-6-4 2605 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of hwy 395 1500 Comment
  RSA94049  Arabis puberula C. C. Bruce 1898-06 2251 Modoc Hills near Goose Lake. Comment
  UC1504492  Arabis puberula Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81192 Modoc 3.3 mi w Lake City; Warner Mountains Comment
  NY119571  Arabis sparsiflora A. J. Cronquist 1959-6-20 8526 Modoc At Cedarville Pass; Warner Mtns., between Cedarville and Alturas 1950.7 Comment
  UC1078870  Arceuthobium campylopodum Job Kuijt 1957-7-5 1397 Modoc campgrounds, Cedar Pass Warner Mtns 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-BC95660  Arctostaphylos patula Bruce Bartholomew 1989-7-15 5021 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  JEPS86269  Arenaria aculeata W. L. Jepson 1918-8-7 7886 Modoc Mt. Bidwell 2438 Comment
  SEINET195487  Arenaria congesta Annie M. Alexander, Louise Kellogg 1946-6-10 4708 Modoc Lava bench between Lower and Snake lakes. Comment
  UC711815  Arenaria congesta var. congesta Roxana S. Ferris and Laura Lorraine 1941-8-14 10589 Modoc 3 mi Patterson Ranger Station (on road to Eagleville); Modoc National Forest, Warner Mountains Comment
  UC1584015  Arenaria congesta var. subcongesta G. Schoolcraft 1990-6-6 2079 Modoc About 10 mi n Alturas (S of Joseph Creek); Joseph Creek 1584 Comment
  UCR34674  Arenaria rubella J. A. Harpel 1981-8-6 V 11 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  RSA602821  Aristida oligantha L. C. Wheeler 1935-9-6 3959 Modoc Fletcher Creek at Pease Place. Devil's Garden. 1524 Comment
  CHSC115841  Arnica chamissonis Lowell Ahart; John Dittes 2015-7-17 20404 Modoc About 50 yards north 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
  CAS-BOT-BC15403  Arnica cordifolia Bruce Bartholomew; Barrett Anderson 1988-6-24 4320 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC15405  Arnica cordifolia K. Paulson; Robert Paulson 1988-6-11 25 Modoc Parker Creek Road, W side of the Warner Mts.. 1524 Comment
  CAS-BOT-BC15418  Arnica cordifolia James T. Vale; K. Wagnon; Walter Knight; Irja Knight 1981-5-22 4113 Modoc 10 mi. E of Alturas on County Road 56 at Parker Creek. Comment
  CAS-BOT-BC15421  Arnica cordifolia Clare Butterworth Hardham 1961-6-18 7587 Modoc Cedar Pass. 1828 Comment
  JEPS35899  Arnica cordifolia L. S. Smith 1918-6-11 935 Modoc Buck Creek R. S. Modoc National Forest, Willow Creek 1524 Comment
  RSA504632  Arnica cordifolia Bruce Bartholomew, B. Anderson 1988-6-24 4320 Modoc Lily Lake, W side of the Warner Mountains. Sierran montane forest. 2130 Comment
  CHSC115053  Arnica fulgens Jesssica O'Brien 2014-9-24 9483 Modoc EO#15 South of Hwy 139 on the Modoc NF. 1482 Comment
  JEPS35868  Arnica longifolia W. L. Jepson 1918-8-13 7974 Modoc Eagle Peak Warner Mountains, Eagle Peak 3017 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
  JEPS103190  Arnica mollis G. Schoolcraft 2000-7-17 2913 Modoc N Warner Mountains 1981 Comment
  CAS-BOT-BC15251  Arnica sororia Francis Dorris Payne 1932-6-24 598 Modoc Parker Creek. 1584 Comment
  SEINET3096625 Image available Arnica sororia Arnold Tiehm 1984-6-30 8837 Modoc NW side of Bidwell Mountains, 2.2 road miles north of 8 Mile Creek on the road from Lake Annie 1845 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
  UCD35726  Artemisia arbuscula Beecher Crampton 1960-6-17 5692 Modoc McKay flat, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station. 1280 Comment
  CHSC109519  Artemisia cana subsp. bolanderi L. P. Janeway; B. Castro 2012-7-25 10987 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 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
  HSC81039  Artemisia ludoviciana subsp. incompta G. M. Riegel 1980-8-21 1094 Modoc South Warner Mountains 2100 Comment
  CAS-BOT-BC15272  Artemisia ludoviciana subsp. ludoviciana Leland S. Smith 1917-7-24 117 Modoc Joseph Creek camp. 2072 Comment
  JEPS117170  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2010-8-30 17050 Modoc High bank of a small wash, about 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS117359  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2010-8-30 17051 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC127411  Artemisia ludoviciana subsp. ludoviciana Mrs. M. H. Manning Oct 9 1902-Mar 20 1903 21 Modoc Ft. Bidwell Comment
  UC217079  Artemisia nova H. M. Hall 1921-9-10 11672 Modoc 24 mi s Alturas Comment
Read comments
Jul 23 2013
  CAS-BOT-BC15209  Artemisia tridentata subsp. tridentata James D. Jokerst 1983-7-27 1910 Modoc Near Signal Butte. 1340 Comment
  CDA13469  Artemisia tridentata subsp. tridentata G. F. Hrusa, T. D. Wilfred 1996-7-21 13316 Modoc Modoc Plateau; Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CAS-BOT-BC15654  Asclepias cordifolia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16441 Modoc 4 mi. E of Cedar Pass summit. Comment
  CAS-BOT-BC15656  Asclepias cordifolia K. Paulson; Robert Paulson 1989-6-21 149 Modoc Vicinity of Granger Creek, E side of the Warner Mts. Comment
  RSA252373  Asclepias cordifolia R. F. Thorne, C. W. Tilforth 1969-9-5 39152 Modoc Near Mill Creek Falls. Modoc Nataional Forest, Warner Mts. 1753 Comment
  RSA0025586  Asclepias cordifolia John F. Emmel 1996-7-15 1435 Modoc East slope Warner Mtns; along County Road 42, ca. 2 air mi WNW of Snake Lake. 1829 Comment
  JEPS121197  Asclepias speciosa Lowell Ahart, John Dittes 2013-7-25 18955 Modoc About 30 yards S of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  CDA39827  Asclepias speciosa T. C. Fuller 1957-9-18 337 -57 Modoc Adin. 0 Comment
  UC1191653  Asperugo procumbens Herbert L. Mason and Verne Grant 1947-7-12 13416 Modoc s. of Alturas (Pit R. Valley near s. end of w. side of rd.); Pit R. Valley Comment
  RSA767680  Aster ascendens L. Ahart, John Dittes 2010-8-30 17053 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
  RSA607254  Aster ascendens L. C. Wheeler 1935-8-27 3925 Modoc S Mt. Spring, Devil's Garden. 1524 Comment
  RSA252480  Aster eatonii R. F. Thorne, C. W. Tilforth 1969-9-5 39174 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  RSA210834  Aster frondosus R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39073 Modoc East shore of Goose Lake at Willow Ranch 1433 Comment
  POM39128  Aster frondosus Mrs. R. M. Austin 1895-09 441 Modoc Shores of Goose Lake Comment
  CDA26631  Astragalus canadensis var. brevidens R. Campbell Jul 1936 Modoc SPRR. 0 Comment
  CDA26646  Astragalus curvicarpus T. C. Fuller 1965-6-2 13592 Modoc West side of Canby-Tulelake Highway, ca. 1 mile north of the Tulelake Quarantine Station. 0 Comment
  NY803533  Astragalus curvicarpus var. curvicarpus A. J. Cronquist 1959-6-21 8530 Modoc Sagebrush slopes on the east side of the Warner Mountains below Fandango Pass 1524 Comment
  CAS-BOT-BC218216  Astragalus curvicarpus var. curvicarpus Mrs. H. C. Cantelow 1935-6-8 Modoc NE of Bieber. Comment
  UC862747  Astragalus curvicarpus var. curvicarpus Lewis S. Rose 1940-6-11 40513 Modoc Canby 1325 Comment
  JEPS126549  Astragalus filipes Lowell Ahart, John Dittes 2016-6-6 20948 Modoc About 150 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
  SBBG22154  Astragalus filipes C. B. Hardham 1961-6-19 7838 Modoc Davis Crk 1676 Comment
  JEPS54660  Astragalus filipes Leland S. Smith 1919-6-8 1126 Modoc Deep Creek above station (Modoc Forest); , Deep Creep above station 1676 Comment
  RSA0025568  Astragalus filipes John F. Emmel 1996-7-16 1439 Modoc Northeast end of Surprise Valley, east of north end of Upper Alkali Lake; sand dunes area 3.1 air mi west of south end Fee Reservoir. (SW 1/4, Section 25) and (NW 1/4, Section 36, Township 46N, Range 16E). 1366 Comment
  RSA520483  Astragalus filipes Bruce Bartholomew, B. Anderson 1989-6-2 4811 Modoc NE side of Upper Lake, 4km S of road to Fee Reservoir, NE end of Surprise Valley. 1420 Comment
  CAS-BOT-BC182039  Astragalus purshii Bruce Bartholomew 1991-6-22 5868 Modoc E side of the Pit River, ca. 2 km S of Joseph Creek. 1410 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
  UC13463  Astragalus purshii var. tinctus Mrs. R. M. Austin June, 1894 252 Modoc hills near Willow Creek; near Willow Creek Comment
  JEPS54797  Astragalus purshii var. tinctus Frances D. Payne 1932-6-15 645 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  RSA0006855  Astragalus purshii var. tinctus H. D. Ripley, R. C. Barneby 1949-6-11 14 Modoc About 8 mi. N of Davis Creek, Hwy 395 - 29.6 mi. N of Alturas. Comment
  UC13457  Astragalus purshii var. tinctus Mrs. R. M. Austin and Bruce June 1898 2207 Modoc Plains Goose Lake Comment
  RSA0049631  Astragalus whitneyi var. confusus Dean Wm. Taylor 2012-6-5 21220 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  CAS-BOT-BC181987  Astragalus whitneyi var. lenophyllus K. Paulson; Robert Paulson 1990-6-6 204 Modoc North of Stough Reservoir, Warner Mountains. 1676 Comment
  CAS-BOT-BC181993  Astragalus whitneyi var. lenophyllus Bruce Bartholomew; Mona Bourell 1990-4-28 5202 Modoc 1.9 km SE of Rush Creek on road up Hunters Ridge. 1430 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-BC182003  Astragalus whitneyi var. lenophyllus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16525 Modoc 6.4 mi. W of Canby. Comment
  CAS-BOT-BC182005  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1989-7-15 5015 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  RSA0017009  Astragalus whitneyi var. siskiyouensis I. L. Wiggins, Dorothy B. Wiggins 1961-6-16 16525 Modoc 6.4 mi. W of Canby. Comment
  CAS-BOT-BC30206  Athyrium alpestre var. americanum Gregg M. Riegel 1980-9-3 1128 Modoc South Warner Mountains 2979 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
  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
  CDA2936  Atriplex rosea T. C. Fuller 1962-8-29 9483 Modoc Between road and canal of the South Fork of the Pit River, Pit River Ranch, ca. 5 miles north of Likeley. 0 Comment
  UC1024847  Avena fatua Leo Whitney 1935-6-9 3202 Modoc near White Horse; White Horse lake (Flat) Comment
  UC30523  Balsamorhiza M. S. Baker and Frank Nutting 1894-6-13 Modoc near Egg Lake Comment
  CAS-BOT-BC218199  Balsamorhiza hookeri F. Angwin 1946-5-16 s.n. Modoc Big Valley near Adin 1280 Comment
  HSC5174  Balsamorhiza hookeri M. T. Milligan 1964-5-9 33 Modoc 4 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  CAS-BOT-BC15183  Balsamorhiza hookeri var. lanata Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6483 Modoc 5.6 km N of State Hwy 299 on Crowder Flat Road. 1580 Comment
  CAS-BOT-BC15185  Balsamorhiza hookeri var. lanata Margaret J. Williams; Thad Holcomb; Betty Holcomb; L. Saxton 1988-5-28 Modoc Hwy 395, intersection with Davis Creek Road. Comment
  CAS-BOT-BC15190  Balsamorhiza hookeri var. lanata E. S. Willits 1940-5-4 212 Modoc Willow Ranch. 1371 Comment
  CAS-BOT-BC15199  Balsamorhiza sagittata Lindsay Stuart Smith; E. H. Steffen 1917-6-2 29 Modoc Jess Valley, Modoc National Forest 1524 Comment
  CAS-BOT-BC15200  Balsamorhiza sagittata S. Saufferer 1973-5-5 130 Modoc About 7.5 mi. S of Pine Creek, along Hwy 395. Comment
  CHSC117885  Balsamorhiza sagittata L. P. Janeway 2016-5-18 12060 Modoc Modoc Plateau. Northeast corner of the Devils Garden area; along Road 47N37 0.6 km north of Road 73/181/47N09. 1626 Comment
  CAS-BOT-BC106461  Balsamorhiza sagittata John H. Hatton 1911-6-10 15 Modoc Modoc National Forest 1767 Comment
  HSC5182  Balsamorhiza sagittata R. C. Wunner 1965-6-20 224 Modoc California Lava Beds National Monument; Indian Well near main residence area 1433 Comment
  UC190642  Balsamorhiza sagittata M. F. Gilman 523 Modoc 1524 Comment
  CAS-BOT-BC15140  Balsamorhiza serrata Edward Kent Balls 1950-5-13 14672 Modoc W side of Goose Lake, 0.2 mi S of Oregon-California State Line. 1463 Comment
  CAS-BOT-BC58631  Barbarea orthoceras Annie Montague Alexander; L. Kellogg 1946-7-17 5009 Modoc Benton Meadow, Warner Mts. 2072 Comment
  NY529207  Bassia hyssopifolia B. M. Bartholomew 1989-8-11 5082 Modoc Sand Creek, Surprise Valley, 5 km west of Nevada border on State Highway 299. 1400 Comment
  RSA624497  Bassia hyssopifolia L. C. Wheeler 1935-10-10 4035 Modoc Alturas. 1356 Comment
  CAS-BOT-BC242409  Beckmannia syzigachne John H. Hatton 1911-6-24 160 Modoc unspecified Comment
  CHSC85109  Beckmannia syzigachne John Dittes; Josephine Guardino 1991-8-23 450 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 along drainage at southern edge of Ash Creek Floodplain. 1271 Comment
  JEPS114846  Beckmannia syzigachne Lowell Ahart, John Dittes 2008-6-21 14991 Modoc In shallow water and on wet soil, along the edge of the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (ai 1255 Comment
  SEINET249751  Beckmannia syzigachne John H. Hatton 1911-6-23 2798 Modoc Modoc National Forest; Modoc National Forest 1676 Comment
  UC472296  Berberis aquifolium var. aquifolium Milo S. Baker 1893-1 Modoc Big Valley Mts Comment
  OBI20534  Berberis aquifolium var. repens H. E. McMinn 1931-5-23 2445 Modoc Fandango Pass, Warner Mts. Comment
  CAS-BOT-BC76022  Berberis repens James Vale; Keith Wagnon; Walter Knight; Irja Knight 1981-5-21 4124 Modoc Warner Mountains. Stowe Reservoir Road about 4 miles past highway #299. 2133 Comment
  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
  CAS-BOT-BC54188  Betula glandulosa Bruce Bartholomew; Barrett Anderson 1988-7-23 4579 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  RSA659640  Betula nana Gary D. Wallace 1990-6-30 2947 Modoc North Warner Mountains: Dismal Swamp. Comment
  NY526328  Betula occidentalis J. T. Howell 1934-6-13 12095 Modoc Patterson Mill Road, Warner Mountains 1676.4 Comment
  UCR57550  Bidens cernua R. D. Goeden 1989-8-23 28 Modoc Modoc National Forest, Clear Lake Road at Fletcher Creek. 1479 Comment
  CAS-BOT-BC15149  Bidens cernua var. cernua Bruce Bartholomew 1989-8-12 5135 Modoc 4.2 km W of Likely on County Road 60. 1370 Comment
  CAS-BOT-BC218114  Bistorta bistortoides Annie Montague Alexander; L. Kellogg 1946-6-30 4881 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  UCD98821  Bistorta bistortoides Harry A. George 1967-6-15 s.n. Modoc Egg Lake, Gridley. Comment
  CAS-BOT-BC15082  Blepharipappus scaber David Daniels Keck; Jens Chr. Clausen 1935-6-24 3711 Modoc 3 mi. NE of Willow Ranch E of Goose Lake. 1550 Comment
  POM31778  Blepharipappus scaber Mrs. R. M. Austin 1895-07 559 Modoc Goose Lake Valley. Comment
  SEINET5512251  Blepharipappus scaber J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  SEINET7379330 Image available Blepharipappus scaber L. C. Wheeler 1935-8-1 3725 Modoc Warner Mts., Pine Creek 1768 Comment
  SJSU8832  Blepharipappus scaber R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  UC71684  Blepharipappus scaber Mrs. M. H. Manning 1904-8-22 300 Modoc Warner Range 1981 Comment
  RSA0125878  Boechera C. L. Hitchcock 1940-5-27 6714 Modoc 15 miles NE of Alturas. 1677 Comment
  RSA0125908  Boechera Christopher Davidson 1973-5-26 2110 Modoc 4 miles W of Canby on Hwy 299. 1359 Comment
  CAS-BOT-BC13908  Boechera lemmonii Annie M. Alexander; Louise Kellogg 1946-7-30 5095 Modoc Eagle Peak, Warner Mountains. East slope below summit. Comment
  CAS-BOT-BC95732  Boechera pauciflora Mrs. H. C. Cantelow 1940-6-1 3747 Modoc Cedar Pass, Warner Mts. Comment
  RSA0049640  Boechera pauciflora Dean Wm. Taylor 2012-6-19 21248 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest 1463 Comment
  CAS-BOT-BC25533  Boechera retrofracta B. Bartholomew; B. Anderson 1988-5-13 4178 Modoc West side of the Warner Mountains. Juniper Flats, 10 km east of Likely on road to Jess Valley. 1450 Comment
  CAS-BOT-BC25535  Boechera retrofracta B. Bartholomew 1990-6-18 5361 Modoc 1.6 mile south of Davis Creek on Highway 395. 1450 Comment
  CAS-BOT-BC410945  Boechera sparsiflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6499 Modoc W side of Timber Mountain on Crowder Flat Road. 1680 Comment
  CAS-BOT-BC58568  Boechera sparsiflora Mrs. H. C. Cantelow 1940-6-2 3749 Modoc 1.7 mi W of Alturas on rd. to Lava Beds. Comment
  UC1563904  Boechera sparsiflora Barbara Ertter 1988-6-18 7643 Modoc n of Adin (Adin Summit, on Hwy 299); Adin Summit 1584 Comment
  CAS-BOT-BC25894  Boechera subpinnatifida John Thomas Howell 1934-6-12 11989 Modoc 9 miles south of Davis Creek. Comment
  CAS-BOT-BC25896  Boechera subpinnatifida B. Bartholomew; M. Bourell 1990-4-28 5198 Modoc 0.3 km south of Davis Creek on highway 395. 1450 Comment
  CHSC118845  Brickellia grandiflora L. P. Janeway 2015-8-9 11828 Modoc Warner Mountains. Along Road 39N06 overlooking Coyote Creek, 3.7 road-km north of Road 64 (39N06 - the road to Patterson Campground): 6.4 air-km north-northeast of Blue Lake. 2027 Comment
  CAS-BOT-BC242433  Bromus carinatus var. carinatus Bruce Bartholomew 1990-8-5 5658 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2300 Comment
  CAS-BOT-BC242435  Bromus carinatus var. carinatus John H. Hatton 1911-6-10 27 Modoc unspecified 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
  UC1024876  Bromus carinatus var. carinatus Leo Whitney 1935-5-26 3148 a Modoc 18 mi wnw of Canby (Hole-in-the-rock, U.S.B.E Plot); Hole-in-the-rock Comment
  UC1037160  Bromus carinatus var. carinatus Leo Whitney 1935-7-11 3453 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  JEPS69203  Bromus hordeaceus Leland S. Smith 1918-6-12 932 Modoc Modoc National Forest, Buck Creek Ranger Station Buck Creek Ranger Station; Modoc National Forest, Buck Creek Ranger Station 1676 Comment
  UCD58838  Bromus inermis L. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  CHSC110895  Bromus japonicus Lowell Ahart; John Dittes 2012-7-10 18313 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC99779  Bromus japonicus Lowell Ahart; John Dittes 2008-6-21 14987 Modoc On dry soil, about 10 yards north of a large culvert, on the the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  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
  UC53739  Bromus orcuttianus unknown Modoc California Comment
  HSC9343  Bromus suksdorfii M. T. Milligan 1964-7-1 127 Modoc 6 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  CAS-BOT-BC242453  Bromus tectorum Leland S. Smith 1919-6-4 1127 Modoc Deep Creek Ranger Station. 1508 Comment
  CAS-BOT-BC242455  Bromus tectorum Bruce Bartholomew; Barrett Anderson 1989-6-2 4775 Modoc Buck Creek, 1 cm NE of Fandango Pass Road, W side of the Warner Mountains. 1660 Comment
  CAS-BOT-BC242500  Bromus tectorum Leland S. Smith 1924-5-3 1349 Modoc Egg Lake. 1310 Comment
  CDA1859  Bromus tectorum A. A. Beetle 1941-6-29 2823 Modoc 15 miles east of Alturas, road to Cedarville Pass. Comment
  UCD59876  Bromus tectorum Annie M. Alexander; Louise Kellogg 1946-6-18 4795 Modoc Patterson Mill--Silver Creek roads. 1828 Comment
  HSC88841  Calamagrostis stricta subsp. inexpansa J. P. Smith, J. O. Sawyer 1973-8-9 7276 Modoc Blue Lake, Modoc National Forest 1829 Comment
  CAS-BOT-BC95090  Callitriche fassettii Robert Folger Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39115 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC95099  Callitriche palustris Bruce Bartholomew; Barrett Anderson 1990-7-19 5436 Modoc Sweagert Flat. 1860 Comment
  JEPS42845  Callitriche verna Frances Payne 1935-8-25 808 Modoc Parker Creek 1584 Comment
  UC1101516  Callitriche verna Herbert L. Mason and Verne Grant 1947-7-12 13428 Modoc n of Likely (s loop of w side of road) Comment
  JEPS39845  Calocedrus decurrens L. S. Smith Sept. 1919 1059 Modoc along road e of Alturas; Parker Creek 1828 Comment
  CAS-BOT-BC242138  Calochortus macrocarpus K. Paulson; Robert Paulson 1988-7-13 79 Modoc Jess Valley Rd., 3 mi. E of Likely. 1371 Comment
  CAS-BOT-BC244926  Calochortus macrocarpus Bruce Bartholomew 1989-8-13 5143 Modoc Top of Manzanita Mountain. 2090 Comment
  UC7766  Calyptridium monospermum Milo S. Baker 1893-6-30 Modoc Egg Lake 1371 Comment
  CAS-BOT-BC95584  Calystegia occidentalis subsp. occidentalis Alice Eastwood; John Thomas Howell 1940-6-12 8072 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC95586  Calystegia occidentalis subsp. occidentalis Bruce Bartholomew 1991-6-22 5866 Modoc E side of the Pit River, ca. 2 km S of Joseph Creek. 1410 Comment
  RSA0049638  Calystegia occidentalis var. tomentella Dean Wm. Taylor 2012-6-19 21246 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest 1463 Comment
  RSA520497  Calystegia polymorpha Bruce Bartholomew 1989-7-14 4954 Modoc 6.5 km NE of Egg lake and 0.8 km E of Survice Gulch 1340 Comment
  UC1004347  Camassia quamash subsp. breviflora Leo Whitney 1934-5-13 Modoc Weed Valley, northern Modoc County Weed Valley 1524 Comment
  UC72484  Camassia quamash subsp. breviflora Milo S. Baker Modoc Forestdale Comment
  UCD138389  Camassia quamash subsp. breviflora Malcolm A. Nobs; S. Galen Smith 1949-5-29 773 Modoc one mile east of Lake City. Comment
  CHSC107322  Camelina microcarpa Lowell Ahart; John Dittes 2011-6-21 17517 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
  HSC6615  Camelina microcarpa M. T. Milligan 1964-6-4 26 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  CAS-BOT-BC191119  Camissonia boothii subsp. alyssoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6451 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  RSA520429  Camissonia boothii subsp. alyssoides Bruce Bartholomew, B. Anderson 1989-6-2 4812 Modoc SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  JEPS31564  Camissonia contorta Frances D. Payne 1932-6-10 637 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC191104  Camissonia pusilla Bruce Bartholomew 1995-5-13 6912 Modoc 2.7 km NE of County Road 38 on County Road 37, E side of the S end of Surprize Valley. 1410 Comment
  POM38366  Camissonia subacaulis R. M. Austin 1895-07 425 Modoc Willow Creek (Devils Garden) Comment
  NY852076  Camissonia tanacetifolia B. M. Bartholomew 1988-5-13 4176 Modoc West side of Jess Valley on West Warner Road, west side of the Warner Mountains 1600 Comment
  HSC16516  Camissonia tanacetifolia M. T. Milligan 1964-4-25 Modoc S end of Lower Cummings Reservoir, along base of dam Comment
  CAS-BOT-BC191088  Camissonia tanacetifolia subsp. tanacetifolia Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6541 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC191091  Camissonia tanacetifolia subsp. tanacetifolia Herbert Louis Mason 1947-8-13 13523 Modoc N side of F Reservoir, N of Canby. Comment
  RSA181791  Camissonia tanacetifolia subsp. tanacetifolia H. N. Metcalf, Jack C. Wilson 1965-7-1 65 -20 Modoc Davis Creek. Comment
  RSA186495  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-29 17893 Modoc 13 miles northwest of Canby Comment
  CAS-BOT-BC95106  Campanula scabrella D. Showers 1978-8-8 4219 Modoc Near Patterson Lake. 2743 Comment
  UC10295  Capsella bursa-pastoris Milo S. Baker 1893-6-22 Modoc Comment
  SBBG22024  Cardamine breweri C. B. Hardham 1961-6-18 7568 Modoc S of Cedar Pass Comment
  UC711893  Cardamine breweri Roxana S. Ferris and Laura Lorraine 1941-8-13 10527 Modoc Patterson Ranger Station Modoc National Forest, Warner Mts, East Creek drainage (East Creek drainage, Warner Mountains) 2164 Comment
  CAS-BOT-BC58431  Cardamine breweri var. breweri Louis Cutter Wheeler 1935-8-16 3864 Modoc Dismal Swamp, Warner Mts. 2225 Comment
  CAS-BOT-BC58468  Cardamine breweri var. breweri Bruce Bartholomew 1992-5-16 6330 Modoc S end of Sweagert Flat. 1840 Comment
  CAS-BOT-BC58668  Cardamine cordifolia C. L. Hitchcock 1940-5-27 6712 Modoc 15 mi. NE of Alturas. 1676 Comment
  CDA10594  Carduus acanthoides G. Deal 1997-7-25 s.n. Modoc Tuscarora Pipe Line right-of-way near Hackamore. 0 Comment
  CAS-BOT-BC242330  Carex abrupta Bruce Bartholomew; Barrett Anderson 1988-7-22 4542 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CHSC109484  Carex abrupta L. P. Janeway; B. Castro 2012-7-25 10981 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  RSA210806  Carex atherodes Robert F. Thorne, James Henrickson, Tilforth 1969-9-3 39018 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  UC1100433  Carex atherodes Herbert L. Mason, Verne Grant 1947-7-12 13424 Modoc s Alturas (irrigation ditch near s end of west side road along railroad tracks); Pit River Valley Comment
  UCD146975  Carex aurea Chuck Hughes 2012-9-13 346 Modoc Bear Mountain. 2005 Comment
  RSA92358  Carex aurea Beecher Crampton 1954-7-6 2099 Modoc Edge of flowing water of Shields Creek, Warner Mountains, 20 miles east of Alturas. 1524 Comment
  JEPS91022  Carex disperma Dean W. Taylor 1987-7-27 9118 Modoc Warner Mountains, Deep Creek in a meadow system in the upper creek watershed Deep Creek; Warner Mountains, Deep Creek 2194 Comment
  HSC48334  Carex douglasii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19356 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC242361  Carex jonesii Bruce Bartholomew; Barrett Anderson 1988-7-21 4606 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  UC1540214  Carex jonesii Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9116 Modoc headwaters of upper South Deep Creek Warner Mountains, South Deep Creek 2194 Comment
  POM203051  Carex jonesii J. T. Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  SEINET10912940  Carex jonesii Louis C. Wheeler 1935-8-16 Wheeler 3877 Modoc Dismal Swamp, Twenty Mile Cr., Warner Mts. S31, T48N, R16E. 2225 Comment
  SEINET7563152 Image available Carex jonesii John Thomas Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  HSC7150  Carex microptera M. T. Milligan 1965-6-26 319 Modoc N end Jess Valley. 1616 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-BC245174  Carex nebrascensis John Thomas Howell 1934-6-12 12020 Modoc Plum Valley. Comment
  UC1024318  Carex nebrascensis Annie M. Alexander and Louise Kellogg 1946-6-14 4762 Modoc branch to Silver Creek (Patterson Mill Road) 1828 Comment
  POM204121  Carex nebrascensis J. T. Howell 1934-6-15 12190 Modoc Alturas. Comment
  UCD140721  Carex pellita Herbert L. Mason; Verne Grant 1947-7-12 13423 Modoc near south end of west side road, along railroad tracks, Pit River Valley, south of Alturas. Comment
  CAS-BOT-BC245154  Carex praegracilis Alice Eastwood; John Thomas Howell 1940-6-12 8035 Modoc Likely. Comment
  JEPS127230  Carex praegracilis Lowell Ahart, John Dittes 2016-6-6 20966 Modoc About one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  HSC75581  Carex straminiformis G. M. Riegel 1979-9-8 762 Modoc S Warner Mtns. 1829 Comment
  HSC75587  Carex straminiformis G. M. Riegel 1979-7-30 625 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC245149  Carex subfusca Annie Montague Alexander; L. Kellogg 1946-6-14 4760 Modoc Patterson Mill Road, branch road to Silver Creek. Comment
  RSA252447  Carex subfusca Robert F. Thorne, C. W. Tilforth 1969-9-5 39155 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  SEINET3827144  Carex subfusca Miriam C. Fritts, Harold C. Fritts 1997-1 97 -56 Modoc Modoc National Forest Highway 139, six miles north of junction with Highway 299. Howard Gulch Campground. 149 Comment
  SEINET7577137 Image available Carex subfusca John Thomas Howell 1934-6-16 12208 Modoc Parker Creek, Warner Mts. 1585 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
  SEINET3910198  Carex tracyi Louis C. Wheeler 1935-8-16 1577 Modoc Warner Mountains. Dismal Swamp.; 0 2225 Comment
  UC8077  Carex vesicaria Milo S. Baker 1893-7-8 Modoc Egg Lake Comment
  SDSU10555  Castilleja applegatei Reid Moran 1964-7-31 3902 Modoc 8.5 miles from enterance to Modoc National Forest on road from Likely, Modoc National Forest. 1554 Comment
  CAS-BOT-BC225988  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1940-6-1 4368 Modoc Cedar Pass, Warner Mountains 1935 Comment
  CAS-BOT-BC225991  Castilleja applegatei subsp. pinetorum Francis Whittier Pennell 1940-6-8 25741 Modoc Upper western slope near Cedar Pass, Warner Mountains, NE of Alturas 1920 Comment
  JEPS3815  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-18 4797 Modoc Patterson Mill-- Silver Creek roads 1828 Comment
  UC1063038  Castilleja applegatei subsp. pinetorum R. C. Wilson 1933-5-30 35 Modoc Rush Creek Camp; Modoc National Forest, Canby Quad. 1432 Comment
  UC444824  Castilleja applegatei subsp. pinetorum Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC225972  Castilleja applegatei var. pinetorum M. M. Hanna 1956-6-7 1009 Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC226009  Castilleja arachnoidea Elmer Ivan Applegate 1932-7-9 7603 Modoc N slope of Bidwell Mountain, Warner Mountains. Comment
  UC199357  Castilleja arachnoidea Milo S. Baker Modoc near Egg Lake Comment
  UCR34760  Castilleja arachnoidea J. A. Harpel 1981-8-6 V 21 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC226014  Castilleja campestris subsp. campestris Elmer Ivan Applegate 1897-6-5 2000 Modoc Near Alturas. Comment
  UC27291  Castilleja campestris subsp. campestris Milo S. Baker 1893-6-15 Modoc Comment
  CAS-BOT-BC226027  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1989-6-1 4725 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  UC579762  Castilleja lacera David D. Keck and J. Clausen 1935-6-24 3720 Modoc 14 mi s New Pine Creek 1524 Comment
  UC76115  Castilleja lacera Milo S. Baker 1893-1 Modoc Forestdale Comment
  HSC80740  Castilleja lacera G. M. Riegel 1979-7-3 453 Modoc South Warner Mts. 1739 Comment
  JEPS62827  Castilleja lacera John Weiler 1970-7-8 70238 Modoc n of Adin (along road to Rush Creek Camp grounds near its junction with Highway 299) 1524 Comment
  RSA78907  Castilleja linariifolia E. K. Balls, Percy C. Everett 1952-10-10 18148 Modoc Above S. Fk. Public Camp, 8 mi. E. of Likely on road to Jess Valley. 1555 Comment
  CAS-BOT-BC226048  Castilleja miniata Elmer Ivan Applegate 1932-7-31 7977 Modoc Mill Creek Meadow, western slope of Warner Mts. Comment
  JEPS27956  Castilleja miniata Frances D. Payne 1931-7-4 316 Modoc Parker Creek, w slope of the Warner Range Parker Creek; Warner Range 1584 Comment
  CAS-BOT-BC32642  Castilleja payneae Francis Dorris Payne 1929-7-26 126 Modoc Mt. Warren, Warner Mts. 2944 Comment
  CHSC117766  Castilleja pilosa L. P. Janeway 2016-5-17 12027 Modoc Modoc Plateau. Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  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
  UC1540226  Castilleja pilosa Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9110 Modoc headwaters of upper South Deep Creek; Warner Mountains 2194 Comment
  UC190604  Castilleja pilosa M. F. Gilman 561 Modoc 1981 Comment
  CAS-BOT-BC226068  Castilleja tenuis Annie Montague Alexander; L. Kellogg 1946-7-7 4929 Modoc Eight Mile Creek, northeast corner of county 1752 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-BC226075  Castilleja tenuis Bruce Bartholomew 1990-6-17 5352 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CHSC117495  Castilleja tenuis Lowell Ahart; John Dittes 2016-7-14 21181 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS79138  Castilleja tenuis L. R. Heckard with R. Bacigalupi 1980-6-11 5240 Modoc ca 10 air mi se Alturas (junction of Parker Creek and Shields Creek); junction of Parker Creek and Shields Creek 1737 Comment
  UCD111734  Ceanothus cuneatus Milo S. Baker 1893-7-1 s.n. Modoc Modoc County. 1371 Comment
  CAS-BOT-BC217136  Ceanothus cuneatus var. cuneatus W. Knight; Irja Knight 1981-5-25 4111 Modoc White Horse Road near Egg Lake. 1249 Comment
  UC70422  Ceanothus integerrimus Milo S. Baker 516 Modoc Bowens Spring Comment
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Jul 24 2013
  CAS-BOT-BC217111  Ceanothus prostratus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6508 Modoc Ca. 3 km S of Oregon border on Forest Service Rte. 7. 1720 Comment
  JEPS86139  Ceanothus prostratus Wayne Roderick 1966-6-24 Modoc summit Fandango Pass Comment
  RSA647819  Ceanothus prostratus William Gilbert 1969-6-30 s.n. Modoc off route 36, out of Susanville, 10 miles from eagle Lake Comment
  UC18456  Ceanothus velutinus Mrs. Bruce 1898-1 Modoc Comment
  UC18457  Ceanothus velutinus Milo S. Baker 1893-7-10 Modoc 1219 Comment
  CAS-BOT-BC248322  Ceanothus velutinus var. velutinus B. Bartholomew; H. Sun 2002-6-24 8868 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  CHSC111400  Centaurea cyanus Lowell Ahart; John Dittes 2012-7-12 18379 Modoc On dry rocky bare soil, on the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1262 Comment
  NY532331  Centaurea diffusa G. Schoolcraft 1985-6-17 Modoc NW of Lookout 1264.9 Comment
  CDA10641  Centaurea diffusa G. Deal 1995-7-27 Modoc 0 Comment
  CAS-BOT-BC15098  Centaurea solstitialis Bruce Bartholomew 1989-8-10 5027 Modoc Little Hot Spring Valley, 1.6 km NW of Day. 1070 Comment
  CHSC100382  Centaurea squarrosa Lowell Ahart; John Dittes 2008-8-25 15300 Modoc In the middle of a poor dirt road, on the west side of the Pit River, about 1/8 mile east of County Road 91,about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC281202  Centaurea stoebe subsp. micranthos B. Bartholomew 1989-7-14 4970 Modoc N end of Big Valley Comment
  CAS-BOT-BC95502  Ceratophyllum demersum Robert Folger Thorne; C. W. Tilforth 1969-9-5 39187 Modoc Pine Creek where it crosses Hwy. 395, 3.4 mi. S of Alturas. 1341 Comment
  UC1101388  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-7-22 8133 Modoc North Fork of Pit River by confluence with Gleason Creek on Highway 395 n Alturas; North Fork of Pit River by confluence w/ Gleason Creek Comment
  CAS-BOT-BC197527  Cercocarpus betuloides var. betuloides Belknap C. Goldsmith 1910-5-26 11 Modoc W slope Warner Mts. 1828 Comment
  JEPS45550  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-7-23 Modoc Forestdale Comment
  CAS-BOT-BC214647  Cercocarpus ledifolius var. ledifolius A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill. Comment
  UC1075723  Cercocarpus ledifolius var. ledifolius Robert J. Weatherby 1955-7-8 1632 Modoc 5 mi n of Fort Bidwell (northern Warner Mountains); Warner Mountains 1645 Comment
  UC859417  Cercocarpus ledifolius var. ledifolius Lewis S. Rose 1940-6-13 40553 Modoc Fandango Pass 1905 Comment
  CAS-BOT-BC15057  Chaenactis douglasii var. douglasii A. A. Heller 1938-6-24 15221 Modoc Between Alturas and Canby Comment
  HSC5248  Chaenactis douglasii var. douglasii M. T. Milligan 1966-8-3 643 Modoc W slope of Eagle Peak Comment
  HSC65589  Chaenactis douglasii var. douglasii Thomas Wood 1979-8-9 241 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  CAS-BOT-BC15055  Chaenactis douglasii var. douglasii Amos Arthur Heller 1938-6-24 15221 Modoc Between Alturas and Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC197575  Chamaebatiaria millefolium Mrs. M. H. Manning s.n. Modoc NW Modoc County. Comment
  HSC42423  Chamaebatiaria millefolium Barbara Kelly 1977-7-24 544 Modoc Lava Beds National Monument at Fleener Chimneys Comment
  JEPS44979  Chamaebatiaria millefolium L. S. Smith 1918-6-23 1433 Modoc Modoc National Forest, w side Happy Camp Happy Camp; Modoc National Forest, Happy Camp Comment
  CAS-BOT-BC245418  Chamaesaracha nana Mrs. H. C. Cantelow 1940-6-2 4487 Modoc NW of Canby. Comment
  JEPS5988  Chamaesaracha nana Frances D. Payne 1931-6-25 271 Modoc 2 mi sw Warren Peak (Middle Fork of Pine Creek); Warner Mts., Pine Creek Basin 2133 Comment
  SEINET8731595 Image available Chamaesaracha nana Helen K. Sharsmith 1955-1 4509 Modoc adjacent to Highway 39 ca. 20 miles north of Canby, Modoc National Forest 1524 Comment
  UC26092  Chamaesaracha nana Mrs. R. M. Austin and Bruce Jun 1898 2152 Modoc Lake City Pass Comment
  RSA432488B  Chamaesyce serpillifolia L. C. Wheeler 1935-8-3 3768 Modoc Pine Creek, Warner Mts. 1555 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
  JEPS114754  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
  HSC65543  Chenopodium album Thomas Wood 1979-8-8 206 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  CHSC106201  Chenopodium desiccatum Lowell Ahart; John Dittes 2010-8-31 17111 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
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Jul 20 2019
  RSA531330  Chenopodium fremontii Bruce Bartholomew, B. Anderson 1990-7-20 5455 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  UC1191343  Chenopodium glaucum Herbert L. Mason 1947-8-15 13554 Modoc Crane Creek Goose Lake, Willow Ranch (mouth, e side of lake) Comment
  UC412889  Chimaphila umbellata Franklin P. Nutting Aug 20 1900-Aug 30 1900 Modoc Big Valley Mts. near Forestdale; Big Valley Mts. Comment
  UC748232  Chimaphila umbellata Annie M. Alexander and Louise Kellogg 1946-9-8 5118 Modoc Deep Creek Canyon Warner Mts., Deep Creek Canyon Comment
  POM166647  Chrysolepis sempervirens M. S. Baker 1893-6-8 s.n. Modoc Squaw Valley Mts. Sac Canyon near Mott. Comment
  CAS-BOT-BC15048  Chrysothamnus nauseosus subsp. albicaulis Philip Alexander Munz 1951-9-14 16980 Modoc Jess Valley. 1615 Comment
  POM41246  Chrysothamnus nauseosus subsp. albicaulis Mrs. R. M. Austin 1895-07 542 Modoc Alturas Comment
  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-BC14984  Chrysothamnus viscidiflorus subsp. viscidiflorus Philip Alexander Munz 1951-9-14 16979 Modoc Jess Valley, S Warner Mountains 1630 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-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
  CAS-BOT-BC384660  Chrysothamnus viscidiflorus subsp. viscidiflorus Andrew Townesmith; Karen M. Meyer 2007-9-15 926 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass 1928 Comment
  JEPS21426  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1918-8-12 7947 Modoc Jess Valley 1584 Comment
  HSC5368  Cichorium intybus M. T. Milligan 1964-8-21 236 Modoc Pikes Pt. Easgle Lake 1677 Comment
  CDA38305  Cicuta douglasii G. D. Barbe, John Kelley 1988-7-2 4297 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  UC422820  Circaea alpina subsp. pacifica Franklin P. Nutting 1900-8-20 Modoc Taylor Creek near Forestdale; Taylor Creek Comment
  JEPS25822  Circaea alpina subsp. pacifica F. H. Frost 1925-7-12 66 Modoc Stow's Meadow, Cedar Canyon Warner Mts., Cedar Canyon, Stow's Meadow Comment
  CHSC116066  Cirsium arvense Lowell Ahart; John Dittes 2015-7-16 20384 Modoc North edge of Ash Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS114659  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
  JEPS123862  Cirsium arvense Lowell Ahart, John Dittes 2015-7-16 20384 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC116346  Cirsium arvense CDFA Staff 1976-7-28 Modoc Tule Lake. Comment
  SEINET3840780  Cirsium arvense var. mite Thomas Parsons Fuller, T. W. 1960-7-26 4872 Modoc 1.5 miles South of Tulelake, Highway 139, in grain field Comment
  CAS-BOT-BC14960  Cirsium cymosum Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10619 A Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mountains 1889 Comment
  CAS-BOT-BC14969  Cirsium cymosum Bruce Bartholomew 1989-7-15 5002 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC14970  Cirsium cymosum Bruce Bartholomew 1989-7-15 5002 Modoc Sweagert Flat. 1860 Comment
  CDA1195  Cirsium douglasii var. breweri G. D. Barbe, T. C. Fuller 1979-8-21 2545 Modoc 5.6 km S of Fort Bidwell; W side of County Hwy 1, 3.2 km N of Fandango Pass Rd. Comment
  RSA608618  Cirsium douglasii var. breweri L. C. Wheeler 1935-9-10 3966 Modoc 1 mile S McGinty Reservoir, Devil's Garden 1463 Comment
  CHSC110973  Cirsium occidentale var. candidissimum Lowell Ahart; John Dittes 2012-7-12 18366 Modoc North bank 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
  JEPS59228  Cirsium occidentale var. candidissimum W. L. Jepson 1918-8-6 7840 Modoc below Fandango Pass (800 ft on e slope); Surprise Valley 1615 Comment
  UC30791  Cirsium occidentale var. candidissimum Mrs. R. M. Austin 1884-1-1 Modoc hills near Davis Creek Comment
  CAS-BOT-BC14941  Cirsium scariosum Bruce Bartholomew; Barrett Anderson 1988-7-22 4491 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  JEPS126536  Cirsium scariosum var. robustum Lowell Ahart, John Dittes 2016-6-6 20945 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
  JEPS59245  Cirsium vulgare F. H. Frost 1925-7-11 19 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon Comment
  CAS-BOT-BC191001  Clarkia Fred. P. Cronemiller 1920-6-15 9 Modoc McKenzie Spring. 1310 Comment
  CAS-BOT-BC191066  Clarkia gracilis subsp. gracilis Bruce Bartholomew; Barrett Anderson 1988-6-23 4290 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC191072  Clarkia gracilis subsp. gracilis Bruce Bartholomew; Barrett Anderson 1989-6-3 4869 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC191052  Clarkia lassenensis John Thomas Howell 1934-6-13 12069 Modoc Fandango Pass. 1828 Comment
  UC422855  Clarkia lassenensis M. F. Gilman 555 Modoc 1676 Comment
  CAS-BOT-BC191046  Clarkia rhomboidea Bruce Bartholomew; Barrett Anderson 1988-6-23 4234 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UC422929  Clarkia rhomboidea M. F. Gilman 631 Modoc 1676 Comment
  NY497244  Claytonia lanceolata A. M. Alexander 1946-6-15 4773 Modoc Deep Creek 2133.6 Comment
  JEPS101050  Claytonia megarhiza Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10463 Modoc Warner Mountains, steep northeast face Eagle Peak 2880 Comment
  CAS-BOT-BC197442  Claytonia parviflora subsp. parviflora Bruce Bartholomew 1993-6-12 6578 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC197429  Claytonia perfoliata subsp. intermontana Bruce Bartholomew; Barrett Anderson 1989-6-1 4734 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC197436  Claytonia perfoliata subsp. intermontana K. Paulson; Robert Paulson 1988-6-19 50 Modoc E of Happy Camp Guard Station. 1554 Comment
  UC1713744  Claytonia rubra subsp. rubra M. S. Baker and Frank Nutting 1894-6-16 Modoc near Forestdale Comment
  CAS-BOT-BC226099  Collinsia parviflora Bruce Bartholomew 1990-6-16 5257 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2130 Comment
  CAS-BOT-BC226100  Collinsia parviflora Frank Warrington Peirson 1926-6-25 6891 Modoc Small canyon 1 mi. E of summit of Cedar Pass, Cedar Road, Warner Mountains Comment
  CAS-BOT-BC229857  Collinsia parviflora F. Angwin 1946-4-6 s.n. Modoc Yowell Ranch, Adin. 1371 Comment
  CAS-BOT-BC229861  Collinsia parviflora Leland S. Smith 1919-5-3 1089 Modoc Rock Spring. 1726 Comment
  UC526138  Collinsia parviflora John Thomas Howell 1934-6-14 12135 Modoc near Lost Lake; Warner Mountains 2438 Comment
  UC748144  Collinsia parviflora Annie M. Alexander and Louise Kellogg 1946-7-17 5011 Modoc Warner Mountains, Benton Meadow Benton Meadow; Warner Mountains, Benton Meadow 2072 Comment
  HSC20612  Collinsia parviflora M. T. Milligan 1964-6-20 56 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  JEPS6223  Collinsia parviflora M. F. Gilman 633 Modoc near Ft. Bidwell Comment
  RSA152423  Collinsia parviflora I. L. Wiggins, Dorothy Wiggins 1961-6-12 16430 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1921 Comment
  UC1012481  Collinsia parviflora Francis W. Pennell Jun 7 1940-Jun 8 1940 25733 Modoc ne of Adin (along Rush Creek); Rush Creek 1432 Comment
  CAS-BOT-BC229870  Collinsia sparsiflora var. sparsiflora Bruce Bartholomew 1995-5-12 6895 Modoc SW flank of White Horse Mountains between Day and Day Rock. 1210 Comment
  CAS-BOT-BC190731  Collomia grandiflora Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10615 Modoc Summit of Fandango Pass. 1889 Comment
  HSC16912  Collomia grandiflora M. T. Milligan 1966-7-27 587 Modoc Slopes and ridges E of Jess Valley 1677 Comment
  SBBG103157  Collomia grandiflora D. H. Wilken with D. M. Smith 1971-7-2 10115 Modoc Adin Pass along St Hwy 299 1576 Comment
  POM126985  Collomia grandiflora M. French Gilman 568 Modoc [no locality information provided] 1677 Comment
  CAS-BOT-BC190728  Collomia linearis C. C. (Mrs.) Bruce 1894-6-1 96 Modoc Davis Creek. 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
  UC748270  Collomia linearis Annie M. Alexander and Louise Kellogg 1946-7-11 4960 Modoc ne corner of county Eight Mile Creek (slope w) Comment
  UCR186867  Collomia tenella Glenn L. Clifton 2007-7-16 46426 Modoc Warner Mtns, South Fork Pine Creek 2172 Comment
Read comments
Jan 18 2008
  CAS-BOT-BC190716  Collomia tinctoria Bruce Bartholomew 1994-7-2 6813 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  CAS-BOT-BC95591  Convolvulus arvensis Leland S. Smith 1920-7-4 1172 Modoc Alturas. 1341 Comment
  JEPS78423  Cordylanthus capitatus Gary Schoolcraft 1979-8-9 171 Modoc above 10 mile Creek (just below fence crossing area, ca 4 mi ne of Bidwell Mt.) 1828 Comment
  UC1736400  Cordylanthus maritimus subsp. canescens Dean W. Taylor 1989-8-6 10503 Modoc Warner Mountains, Suprise Valley, warm spring on west shore Lower Lake 1363 Comment
  RSA420748  Cordylanthus ramosus Louis C. Wheeler 1935-8-20 3899 Modoc Pine Spring, Devils Garden. 1524 Comment
  JEPS46248  Cornus sericea subsp. sericea F. H. Frost 1925-7-11 23 Modoc Cedar Canyon campsite 2 mi. above Cedarville Comment
  CAS-BOT-BC190767  Corydalis aurea C. C. (Mrs.) Bruce 1898-7-1 2206 Modoc Warner Mts. Comment
  JEPS114435  Crataegus castlegarensis Lowell Ahart, John Dittes 2008-8-26 15334 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC197568  Crataegus douglasii A. D. Borden 1911-8-9 s.n. Modoc Mall Place, on S side of Shields Creek. Comment
  CAS-BOT-BC197573  Crataegus douglasii A. D. Borden 1911-8-9 s.n. Modoc Mall Place, on S side of Shields Creek. Comment
  CAS-BOT-BC14902  Crepis acuminata Robert Patterson; Mona Bourell 1993-8-15 5253 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC109505  Crepis acuminata L. P. Janeway; B. Castro 2012-7-25 10992 Modoc Warner Mountains. Low broad ridge 1.1 km east of Dismal Swamp. 2250 Comment
  RSA163735  Crepis acuminata Clare B. Hardham 1961-6-18 7801 Modoc Lava Flows along north fork Pitt River 3.3 miles south of Cedar Pass Road 1372 Comment
  RSA164315  Crepis acuminata Clare B. Hardham 1961-6-18 7562 Modoc Hills 3 miles south of Cedar Pass 1829 Comment
  CAS-BOT-BC14878  Crepis modocensis subsp. subacaulis Elmer Ivan Applegate 1932-7-9 7604 Modoc Summit of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-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
  RSA164313  Crepis occidentalis subsp. pumila Clare B. Hardham 1961-6-18 7562 Modoc Cedar Pass. 1829 Comment
  CAS-BOT-BC14831  Crocidium multicaule Bruce Bartholomew; Barrett Anderson 1989-4-28 4649 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  RSA534605  Crocidium multicaule Bruce Bartholomew 1991-5-25 5749 Modoc ca. 1 km west of Tionesta. 1320 Comment
  CAS-BOT-BC218202  Croton setiger Bruce Bartholomew 1989-7-14 4955 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  SJSU9644  Crypsis alopecuroides W. Savage 1979-7-8 1473 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD59980  Crypsis vaginiflora A. A. Beetle 1944-8-15 3025 Modoc Southwest of Modoc County, 4 miles north of Lookout. Comment
  SEINET7073591  Cryptantha 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
  CAS-BOT-BC54127  Cryptantha affinis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10529 A Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC54133  Cryptantha ambigua John Thomas Howell 1934-6-30 12297 Modoc Duncan Horse Camp. 1355 Comment
  JEPS90284  Cryptantha ambigua Dean Wm. Taylor with Glenn L. Clifton 1989-8-4 10522 Modoc on road to Emerson Camp from Surprise Valley (Warner Mountains, Cole Creek, Emerson Creek drainage); Warner Mountains, Cole Creek 1554 Comment
  UC1478049  Cryptantha celosioides Gregg Riegel 1980-7-14 877 Modoc 0.5 mi nw Emerson Trail Head Rd. (from Sec 10 and 11, S Warner Mt. Wilderness Area); Modoc National Forest, Warner Mt. Wilderness Area 1889 Comment
  CAS-BOT-BC54101  Cryptantha intermedia John Thomas Howell 1934-6-11 11983 Modoc Parker Creek, Warner Mountains 1584 Comment
  SFV3084  Cryptantha intermedia I. L. Wiggins, D. B. Wiggins 1961-6-12 16382 Modoc Warner Mountains Rocky, clay mesa 5 miles east of CA Highway 299, along Cedar Pass Road. 1585 Comment
  UC1191650  Cryptantha intermedia Herbert L. Mason and Verne Grant 1947-7-13 13447 Modoc near Goose Lake (on road to Fort Bidwell, w end of Fandango Pass); Fandango Pass Comment
  CAS-BOT-BC54076  Cryptantha torreyana Barrett Anderson 1986-7-9 3174 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  CAS-BOT-BC54080  Cryptantha torreyana Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10530 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  NY1112081  Cryptantha watsonii H. D. D. Ripley 1944-6-1 6007 Modoc East of Cedarville 1250 Comment
  CDA5585  Cuscuta approximata Goss 1932-10-3 Modoc 0 Comment
  UC71860  Cuscuta subinclusa Mrs. M. H. Manning 1904-8 498 Modoc Joseph Creek Comment
  CHSC75477  Cusickiella douglasii V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9764 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  CAS-BOT-BC242182  Cypripedium montanum K. Paulson; Robert Paulson 1988-6-19 46 Modoc Field redacted by CAS, contact the data manager for more information 1554 Comment
  UC4451  Cypripedium montanum Milo S. Baker 1893-6-29 Modoc Comment
  HSC80873  Cystopteris fragilis G. M. Riegel 1980-9-3 1128 Modoc S Warner Mtns. 1829 Comment
  UC922415  Cystopteris fragilis Annie M. Alexander and Louise Kellogg 1946-7-23 5059 Modoc Emerson Peak; Warner Mts Comment
  UC123017  Cystopteris fragilis Mrs. R. M. Austin June 1894 170 Modoc Emigrant Springs; Lava Beds Comment
  UC42490  Cystopteris fragilis Geo. H. Boke 1890-1 Modoc Comment
  CHSC71892  Damasonium californicum Vernon H. Oswald; Lowell Ahart 1998-9-8 9596 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  POM133080  Damasonium californicum Milo S. Baker s.n. Modoc Egg Lake. Comment
  JEPS68523  Danthonia californica L. S. Smith 1917-7-19 119 Modoc Joseph Creek Warner Mts. 1981 Comment
  JEPS68525  Danthonia californica Leland S. Smith 1918-1 878 Modoc Comment
  CAS-BOT-BC242486  Danthonia unispicata Leo David Whitney 1934-5-18 2173 Modoc Timbered Mt. Comment
  SEINET229941 Image available Danthonia unispicata Leila M. Shultz, John S. Shultz 1985-6-23 8595 Modoc Between Beeler and Duncan resivoirs north of Canby near highway 139. 1311 Comment
  UC682120  Danthonia unispicata G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3244 Modoc 7.3 mi e Adin (on hwy to Alturas) 1395 Comment
  CAS-BOT-BC214751  Dasiphora fruticosa Leland S. Smith 1917-8-6 131 Modoc Benton Meadows 2194 Comment
  CHSC111991  Dasiphora fruticosa B. Castro; L. P. Janeway 2008-8-17 1755 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope not far above last row of trees. 2319 Comment
  CHSC105976  Deinandra lobbii Lowell Ahart; John Dittes 2010-8-30 17059 Modoc In a 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 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS127155  Deinandra lobbii Lowell Ahart, John Dittes 2016-7-16 21252 Modoc About 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.7 miles (air) southwest of Adin Big Valley. Comment
  CAS-BOT-BC217349  Delphinium depauperatum Robert Patterson; Mona Bourell 1993-8-15 5261 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC27051  Delphinium depauperatum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19479 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  JEPS43417  Delphinium depauperatum L. S. Smith 1917-6-2 783 Modoc Parsnip Creek, S. Warner Mts. 1524 Comment
  CAS-BOT-BC217281  Delphinium nuttallianum Bruce Bartholomew 1995-5-13 6906 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1480 Comment
  CAS-BOT-BC217308  Delphinium nuttallianum Elmer Ivan Applegate 1932-7-9 7583 Modoc N slope of Bidwell Mountain, Warner Mountains. Comment
  CAS-BOT-BC217322  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1988-5-12 4103 Modoc White Horse. 1340 Comment
  CAS-BOT-BC217334  Delphinium nuttallianum Elmer Ivan Applegate 1932-7-31 7969 Modoc Mill Creek Meadows, Warner Mts. Comment
  UC1126006  Delphinium nuttallianum R. C. Wilson 1933-5-21 23 Modoc Rush Creek Modoc National Forest, Canby Quadrangle Comment
  UC9126  Delphinium nuttallianum Milo S. Baker 1893-6 Modoc Hillside; s face Comment
  CAS-BOT-BC247775  Deschampsia danthonioides Bruce Bartholomew 1991-7-5 5933 Modoc Cow Head Tank, ca. 6 km NW of Dorris Brothers Reservoir. 1520 Comment
  RSA504639  Deschampsia danthonioides Bruce Bartholomew, B. Anderson 1988-6-23 4251 Modoc 4.2 km NW of Day. 1020 Comment
  UC53589  Deschampsia danthonioides M. S. Baker and Frank Nutting 1894-6-13 Modoc w. shore of Egg Lake Comment
  UCR163107  Deschampsia danthonioides Jim Andre 1993-7-3 1426 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC247768  Deschampsia elongata Bruce Bartholomew; Barrett Anderson 1990-7-20 5516 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC247773  Deschampsia elongata Gary Schoolcraft; et al 1988-7-16 1828 Modoc Ca. 1 mi. SE of Pepperdine Camp. 2316 Comment
  HSC80820  Deschampsia elongata G. M. Riegel 1979-8-23 699 Modoc S Warner Mtns. 2100 Comment
  UC70675  Deschampsia elongata Mrs. M. H. Manning 1904-7-9 4 Modoc n.e. Modoc Co. Comment
  CDA24791  Descurainia incana T. C. Fuller 1963-6-11 10657 Modoc 3.1 miles north of Blue Lake Guard Station, 14.0 miles southeast of Likely. 0 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
  HSC81065  Descurainia incisa subsp. incisa G. M. Riegel 1979-7-5 501 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC58605  Descurainia paradisa Bruce Bartholomew 1994-5-15 6693 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  UC10818  Descurainia pinnata Milo S. Baker Jun 20 1893-Jul 14 1893 Modoc near Egg Lake Comment
  CAS-BOT-BC58618  Descurainia pinnata subsp. glabra Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6445 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  UC9944  Dicentra uniflora Mrs. R. M. Austin Jul 1898 2154 Modoc Mt. Bidwell Comment
  CAS-BOT-BC242119  Dichelostemma capitatum subsp. capitatum Bruce Bartholomew; Mona Bourell 1990-4-26 5148 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC242121  Dichelostemma multiflorum Bruce Bartholomew 1994-5-14 6681 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  CAS-BOT-BC49463  Dieteria canescens var. shastensis Elmer Ivan Applegate 1923-3-17 3341 Modoc Dry Lake, SE of Tule Lake. Comment
  CAS-BOT-BC49465  Dieteria canescens var. shastensis Leland S. Smith 1924-6-15 1400 Modoc Lava Bed Ranger Station. 1310 Comment
  CAS-BOT-BC172826  Dimeresia howellii B. Bartholomew 1991-6-22 5858 Modoc 2.9 km NE of road between Fort Bidwell and Fee Resrvoir on road to Big Mud Lake 1680 Comment
  HSC80855  Dimeresia howellii G. M. Riegel 1980-7-15 Modoc South Warner Mtns. 2100 Comment
Read comments
Jan 28 2011
  JEPS86330  Dimeresia howellii Jack and Betty Guggolz 1988-7-1 972 Modoc near Old Canon Mill Road Comment
  RSA109317  Dimeresia howellii H. K. Sharsmith 1955-6-23 4490 Modoc North of Hwy 28 and 6.7 miles east of Cedar Campground 1860 Comment
  UC705643  Dimeresia howellii Marion Ownbey and Fred G. Meyer 1940-7-1 2136 Modoc Cedar Pass; Warner Mts. Comment
  UC748193  Dimeresia howellii Annie M. Alexander and Louise Kellogg 1946-8-9 5147 Modoc Patterson Lake Trail Warner Mountains Comment
  CHSC77235  Diplacus cusickii G. Schoolcraft 1999-7-13 2862 Modoc Lower slopes of Warner Mtns. 3 mi. n. of Eagleville. 1432 Comment
  SEINET13699968  Diplacus cusickii M. J. Williams 1984-6-30 84- 77 -1 Modoc E side of the Warner Mountains, 2 miles in, Granger Canyon Road (County Road 27) S of Cedarville towards Gerlach, NV. 1951 Comment
  CAS-BOT-BC234455  Diplacus nanus Bruce Bartholomew 1990-6-15 5215 Modoc SW side of of Hunters Ridge, 6.3 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  CAS-BOT-BC234486  Diplacus nanus Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi W of Adin Pass Summit, Hwy 299. Comment
  CAS-BOT-BC234500  Diplacus nanus Fred D. Douthitt 1916-5-11 18 Modoc Near Flournoy Swale. 1524 Comment
  OBI49257  Diplacus nanus Lewis S. Rose 1940-6-15 40588 Modoc Perez 1311 Comment
  CHSC118305  Diplacus pygmaeus L. P. Janeway 2016-5-18 12067 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CAS-BOT-BC218292  Dodecatheon alpinum Bruce Bartholomew 1990-6-16 5266 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  UC71814  Dodecatheon alpinum Mrs. M. H. Manning 1903-8-27 348 Modoc 100 ft below summit Mt. Bidwell (ne Modoc County); Mt. Bidwell below summit Comment
  UC1719911  Dodecatheon conjugens D. H. Norris 1996-4-23 88099 Modoc near intersection Bushy Rd. Comment
  UC190689  Dodecatheon conjugens M. F. Gilman 576 Modoc 1524 Comment
  CAS-BOT-BC218267  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Barrett Anderson 1988-5-13 4165 Modoc Ca. 1 km NE of Pepperdine at the junction of the road to Tom Lee Meadow, E facing slope at the top of the Warn 2030 Comment
  CAS-BOT-BC218271  Dodecatheon conjugens var. conjugens Edward Kent Balls 1950-5-17 14737 Modoc Howard's Gulch Public Camp, off Hwy 139, NW of Canby. 1432 Comment
  CHSC112046  Downingia bacigalupii Lowell Ahart; John Dittes 2012-7-11 18334 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) northweat of Bieber, Big Valley. 1266 Comment
  RSA504647  Downingia bacigalupii Bruce Bartholomew, B. Anderson 1988-6-23 4236 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  SBBG125476  Downingia bacigalupii L. Ahart, J. Dittes 2012-7-11 18334 Modoc N edge of a meadow, ca. 1/8 mi E of the parking area on E side of Elkins Lane, Ash Crk State Wildlife Area, ca. 4 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1266 Comment
  CAS-BOT-BC95129  Downingia bicornuta var. bicornuta Bruce Bartholomew; Barrett Anderson 1990-7-19 5413 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  JEPS14499  Downingia bicornuta var. bicornuta Milo S. Baker 1893-6 Modoc Egg Lake Comment
  UC1116673  Downingia bicornuta var. bicornuta Beecher Crampton 1960-6-17 5701 Modoc 13 mi w Canby; McKay Flat 1280 Comment
  JEPS18935  Downingia cuspidata H. L. Mason 1957-6-3 14747 Modoc about 10 mi nw Canby (along road to Klamath Falls) Comment
  SFV3643  Downingia elegans I. L. Wiggins, D. B. Wiggins 1961-6-15 16515 Modoc Dry vernal swales 13 miles west of Canby, along CA-Highway 139. Comment
  SEINET8039562  Downingia insignis M. J. Williams 1984-1 84- 66 -1 Modoc 0.2 mile E of Highway 395 at Ravendale. 1524 Comment
  CAS-BOT-BC498756  Draba L. S. Smith 1918-8-17 66 Modoc Modoc Forest, Marren Mt. 2621 Comment
  HSC68843  Draba albertina Gary Schoolcraft 1980-7-22 328 Modoc Near Benton Meadows at top of Lake City Canyon 2195 Comment
  HSC80863  Draba albertina G. M. Riegel 1980-7-22 925 Modoc S Warner Mtns. 2402 Comment
  UC748102  Draba albertina Annie M. Alexander and Louise Kellogg 1946-8-3 5112 Modoc head of Eagle Creek Warner Mountains, Eagle Creek Comment
  JEPS90139  Draba densifolia Dean W. Taylor 1992-5-8 12558 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 Comment
  RSA534713  Draba verna K. Paulson, R. Paulson 1991-5-25 221 Modoc W side of Goose Lake, ca 1 mi S of Log Landing. 1479 Comment
  CAS-BOT-BC214760  Drymocallis glandulosa Bruce Bartholomew 1989-7-14 4935 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  HSC25988  Drymocallis glandulosa var. glandulosa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19492 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  POM172481  Drymocallis glandulosa var. glandulosa Franklin Nutting 1894-6-13 s.n. Modoc W side of Egg Lake Comment
  JEPS47208  Drymocallis glandulosa var. reflexa Frances D. Payne 1931-6-21 221 Modoc at base of cliffs on ridge w Dry Creek (s and e of Alturas, tributary of Parker Creek); Warner Mountains, Parker Creek, ridge w of Dry Creek 1981 Comment
  UC1593359  Dryopteris expansa Alan Smith with Chris Richards, C. Don MacNeill, and Gary Hathaway 1992-6-5 2534 Modoc Fern Cave; Lava Beds Nat'l Monument 1280 Comment
Read comments
May 30 2013
  CAS-BOT-BC14807  Dugaldia hoopesii Robert Patterson; Mona Bourell 1993-8-14 5233 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CHSC116188  Elatine Lowell Ahart; John Dittes 2015-7-15 20352 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC117565  Elatine rubella Lowell Ahart; John Dittes 2016-7-14 21211 -A Modoc 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
  UC1101534  Elatine triandra Herbert L. Mason 1947-8-8 13472 Modoc nw Alturas (sw margin of Big Sage Reservior) Comment
  UC1101539  Elatine triandra Herbert L. Mason 1947-8-8 13464 A Modoc nw Alturas (sw margin of Big Sage Reservior) Comment
  RSA0106689  Eleocharis acicularis Lowell Ahart, John Dittes 2013-7-25 18967 Modoc West of where the road crossed, about 50 yards west of the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 (air) mile south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  CAS-BOT-BC242389  Eleocharis bella Robert Folger Thorne; et al 1969-9-4 39112 Modoc N Fork of Pit River, 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  RSA577562  Eleocharis bella L. C. Wheeler 1935-8-15 3861 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  RSA577564  Eleocharis bella L. C. Wheeler 1935-8-3 3765 Modoc Warner Mountains: Pine Creek. 1738 Comment
  UC1100606  Eleocharis coloradoensis Herbert L. Mason 1947-8-12 13512 Modoc junction of North and South forks of Pit River, Alturas Comment
  UC1100732  Eleocharis palustris Calvin McMillan, Malcolm A. Nobs 1949-6-16 791 Modoc 33 mi NNW of Alturas (Dry Valley Reservoir) Comment
  RSA577446  Eleocharis palustris L. C. Wheeler 1935-9-1 3935 Modoc Pine Spring, Devil s Garden. 1524 Comment
  JEPS123860  Elodea canadensis Lowell Ahart, John Dittes 2015-7-16 20381 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC1024965  Elymus X macounii Leo Whitney 1935-7-6 3444 Modoc near Lookout; Pit River Comment
  UCD51674  Elymus X saundersii Beecher Crampton 1960-6-17 5691 Modoc 5 miles south of Perez, Plant Quarantine area. 1371 Comment
  SJSU9602  Elymus cinereus W. Savage 1979-7-5 1376 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC247748  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1990-7-20 5531 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC247753  Elymus elymoides subsp. elymoides Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10587 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CAS-BOT-BC247755  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-8-4 5640 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  UC1024922  Elymus elymoides subsp. elymoides Leo Whitney 1935-6-30 3357 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UC1024929  Elymus elymoides subsp. elymoides Leo Whitney 1935-6-30 3357 Modoc open flat near Hackamore (ca 15 mi nw of Canby); Modoc National Forest 1463 Comment
  UC1024963  Elymus elymoides subsp. elymoides Leo Whitney 1935-7-6 3448 Modoc near Lookout; Pit River Comment
  UC1024983  Elymus elymoides subsp. elymoides Leo Whitney 1935-7-5 3409 Modoc near Hackamore (ca 15 mi nw of Canby); Modoc National Forest 1463 Comment
  UC1137019  Elymus glaucus August L. Hormay 1932-7-17 Modoc Lily Lake Comment
  UCD62291  Elymus glaucus A. A. Beetle 1944-8-15 3034 Modoc N. of Lookout. Above Happy Camp Ranger Station. Comment
  POM205370  Elymus glaucus David Griffiths, Byron Hunter 1902-1 462 Modoc Moulton Warner Mountains. Comment
  JEPS68562  Elymus glaucus subsp. glaucus Leland S. Smith 1918-8-11 1021 Modoc Camp One Lost Lake Trail (T38-16) 2438 Comment
  CHSC99521  Elymus lanceolatus subsp. lanceolatus Lowell Ahart; John Dittes 2008-6-21 15017 Modoc On the north side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber. 1264 Comment
  UC1037185  Elymus trachycaulus Leo Whitney 1935-7-23 3571 Modoc USBE Plot Modoc Nation Forest, Happy Camp (15 mi w of Canby) 1463 Comment
  SEINET10554923  Elymus trachycaulus Louis C. Wheeler 1935-8-4 Wheeler 3781 Modoc Dry Lake, Pine Creek. Warner Mts., Modoc Co. S35, T48N, R15E. 2103 Comment
  CAS-BOT-BC204298  Elymus trachycaulus subsp. trachycaulus Louis C. Wheeler 1935-8-4 3780 Modoc Modoc National Forest. Pine Creek, Warner Mts. 2103 Comment
  CAS-BOT-BC247727  Elymus trachycaulus subsp. trachycaulus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10588 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  RSA185237  Elymus trachycaulus subsp. trachycaulus Jack Reveal 1963-7-21 582 Modoc Along the edges of Wet Meadow Comment
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Jul 6 2013
  UCD62688  Elymus trachycaulus subsp. trachycaulus August L. Hormay 1932-7-17 Modoc Lily Lake. Comment
  CHSC106189  Elytrigia pontica subsp. pontica Lowell Ahart; John Dittes 2010-8-31 17119 Modoc East side of Elkins Lane, about 20 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UCR34686  Epilobium anagallidifolium J. A. Harpel 1981-8-6 V- 6 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  RSA600236  Epilobium anagallidifolium Louis C. Wheeler 1935-9-27 4009 Modoc Devil's Garden: Grizzly Spring. 1524 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
  CAS-BOT-BC191017  Epilobium brachycarpum Bruce Bartholomew 1989-7-15 4998 Modoc Sweagert Flat. 1860 Comment
  HSC16226  Epilobium brachycarpum M. T. Milligan 1966-7-25 574 Modoc E of Jess Valley 1646 Comment
  HSC65613  Epilobium brachycarpum Thomas Wood 1979-8-10 249 Modoc About 1 mi. S of Ft. Bidwell along Co. Hwy. 1, where road turns W 1372 Comment
  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
  UC20101  Epilobium brachycarpum Mrs. R. M. Austin Aug. 1894 Modoc Goose Lake Valley Comment
  CHSC109644  Epilobium campestre Lowell Ahart; John Dittes 2012-7-11 18331 Modoc Vernal pool like areas on the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS117166  Epilobium campestre Lowell Ahart, John Dittes 2010-8-30 17058 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS38221  Epilobium campestre Milo S. Baker 1893-7-30 Modoc adobe flats Egg Lake Comment
  JEPS89961  Epilobium campestre Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10488 Modoc bed of Snake Lake Warner Mts., Snake Lake 1569 Comment
  CAS-BOT-BC190996  Epilobium ciliatum subsp. ciliatum Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10606 Modoc Eight and one-half mi. from Patterson Ranger Station on Eagleville road. Warner Mountains. Comment
  HSC16364  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1966-7-25 570 Modoc E of Jess Valley 1646 Comment
  HSC65380  Epilobium ciliatum subsp. ciliatum Thomas Wood 1979-8-8 211 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  CAS-BOT-BC190989  Epilobium ciliatum subsp. glandulosum Annie Montague Alexander; L. Kellogg 1946-7-17 5008 Modoc Benton Meadow. 2072 Comment
  SEINET195712  Epilobium ciliatum subsp. glandulosum Louise Kellogg, Annie M Alexander 1946-7-17 5008 Modoc Benton Meadow Warner Mountains 2073 Comment
  JEPS39326  Epilobium clavatum W. L. Jepson 1918-8-13 7979 Modoc Eagle Peak Warner Mts. 3017 Comment
  CAS-BOT-BC190970  Epilobium glaberrimum subsp. glaberrimum Bruce Bartholomew; Barrett Anderson 1990-7-21 5569 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  HSC16325  Epilobium hallianum M. T. Milligan 1964-6-25 79 Modoc Upper Lassen Creek 1829 Comment
  HSC75591  Epilobium hallianum G. M. Riegel 1980-8-7 1012 Modoc S Warner Mtns. 1670 Comment
  NY1000352  Epilobium hallianum B. M. Bartholomew 1992-8-7 6360 Modoc Meadow 2.3 km west of West Warner Road at Soup Creek, west side of Warner Mountains 524 Comment
  NY1000359  Epilobium hallianum B. M. Bartholomew 1991-7-4 5909 Modoc Roney Flat 1460 Comment
  UC201727  Epilobium hallianum W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head N. Fork Parker Cr. Warner Mountains (near stream) 2225 Comment
  CAS-BOT-BC190957  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew 1994-7-2 6820 Modoc Mill Creek NE of Bald Mtn., E side of Warner Mountains. 2040 Comment
  RSA27905  Epilobium hornemannii subsp. hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 miles northeast of Alturas. 1616 Comment
  NY1000490  Epilobium obcordatum B. M. Bartholomew 1995-7-31 7080 Modoc 2.4 km from Forest Service road 46N30 on road towards Bald Mountain, east side of the Warner Mountains 2150 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
  NY1000519  Epilobium pygmaeum L. C. Wheeler 1935-8-18 3894 Modoc 2 miles northeast of Alturas 1356 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
  CAS-BOT-BC190862  Epilobium torreyi Bruce Bartholomew; Barrett Anderson 1990-7-21 5590 Modoc Bear Flat, W side of Warner Mts. Ranger Station, E side of Warner Mts. 1830 Comment
  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
  CAS-BOT-BC30181  Equisetum laevigatum Verne Grant; I. Schneider 1947-7-20 8107 Modoc North Fork of Pit River, downstream from Alturas. Comment
  HSC101860  Eragrostis minor J. P. Smith 2011-8-7 13358 Modoc Along Jesse Valley Road, E of Likely, just E of the bridge over the Pit River. 1372 Comment
  CAS-BOT-BC95470  Eremogone aculeata Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1817 Modoc Cedar Creek Canyon, about 3 mi. W of Cedarville, in the Warner mts. 1676 Comment
  CAS-BOT-BC95484  Eremogone aculeata Leland S. Smith 1917-6-10 33 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC95486  Eremogone aculeata Elmer Ivan Applegate 1932-7-9 7600 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  UCD98091  Eremogone congesta Beecher Crampton 1960-6-17 5698 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station. 1280 Comment
  CAS-BOT-BC95460  Eremogone congesta Gregg M. Riegel 1980-7-28 949 Modoc unspecified 2415 Comment
  CAS-BOT-BC95469  Eremogone congesta Mrs. H. C. Cantelow 1940-5-31 3443 Modoc 8.9 mi. E of Indian Springs. Comment
  UC69640  Ericameria bloomeri Mrs. M. H. Manning 480 Modoc Joseph Creek Basin, ne Modoc County Joseph Creek Basin Comment
  CAS-BOT-BC14777  Ericameria discoidea Elmer Ivan Applegate 1932-8-1 8053 Modoc Craggy crest of Warren Peak, Warner Mountains Comment
  HSC81130  Ericameria discoidea G. M. Riegel 1980-7-29 955 Modoc S Warner Mtns. 1829 Comment
  HSC81131  Ericameria greenei G. M. Riegel 1980-8-29 1126 Modoc South Warner Mtns. 1829 Comment
  UC748095  Ericameria greenei Annie M. Alexander and Louise Kellogg 1946-8-9 5132 Modoc on slope above Patterson Lake; Warner Mountains, Patterson Lake Comment
  SJSU9682  Ericameria nauseosa var. leiosperma W. Savage 1979-8-22 1575 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest. T 44N, R 10E, NE 1/4 of NW 1/4 Sec. 24 1493 Comment
  CHSC100136  Ericameria nauseosa var. oreophila L. P. Janeway; B. Castro 2008-8-16 9542 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  CAS-BOT-BC298193  Ericameria nauseosa var. oreophila Frances Payne 1931-9-18 341 Modoc Parker Creek, Warner Mts 1584 Comment
  UCD131549  Ericameria parryi var. nevadensis Louis C. Wheeler 1973-8-26 s.n. Modoc Warner Mountains: 1.5 mile north of Sworinger Reservoir. 1767 Comment
  UC31494  Erigeron Milo S. Baker 1893-8-9 Modoc Comment
  CAS-BOT-BC42834  Erigeron austiniae R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2186 Modoc unspecified Comment
  CAS-BOT-BC42836  Erigeron austiniae Gordon H. True 1964-6-3 1458 Modoc N Fork Pit River between Alturas and Goose Lake. 1463 Comment
  CAS-BOT-BC42809  Erigeron bloomeri var. bloomeri Ethel S. Willits 1940-6-5 326 Modoc Canby. 1371 Comment
  CHSC118319  Erigeron bloomeri var. bloomeri L. P. Janeway 2016-5-17 12016 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
  HSC28523  Erigeron bloomeri var. bloomeri D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19386 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC727058  Erigeron bloomeri var. bloomeri A. A. Heller 1941-6-24 16194 Modoc along US Hwy 299 just s Indian Springs Comment
  UC748383  Erigeron bloomeri var. bloomeri Annie M. Alexander and Louise Kellogg 1946-8-9 5143 Modoc on rocky slope of Squaw Peak; Warner Mountains, Patterson Lake Trail, Squaw Peak Comment
  RSA302220  Erigeron chrysopsidis var. austiniae J. R. Shevock 1972-5-20 1808 Modoc West of Alturas, highway 299. 1372 Comment
  UC87550  Erigeron chrysopsidis var. austiniae Mrs. R. M. Austin 1894-5-1 84 Modoc Lassen Creek Comment
  JEPS29178  Erigeron compositus Lauramay T. Dempster 1961-6-20 1716 Modoc ridge just north of junction of Dismal Creek Road with Fort Bidwell Road; Warner Mts. 2346 Comment
  UC195007  Erigeron coulteri W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head, in mountain meadow N. Fork Parker Cr.; Warner Mountains, N. Fork Parker Cr. 2225 Comment
  CAS-BOT-BC42779  Erigeron divergens Franklin P. Nutting s.n. Modoc Little Hot Spring Valley. Comment
  CAS-BOT-BC42824  Erigeron divergens F. Angwin 1945-10-27 Modoc Big Valley. 1280 Comment
  CAS-BOT-BC42760  Erigeron eatonii var. plantagineus E. S. Willits 1940-6-5 328 Modoc Canby. 1371 Comment
  CAS-BOT-BC42784  Erigeron eatonii var. plantagineus John H. Hatton 1911-6-15 105 Modoc Near Happy Camp. 1463 Comment
  CAS-BOT-BC42786  Erigeron eatonii var. plantagineus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10585 A Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mountains Comment
  CAS-BOT-BC42791  Erigeron eatonii var. plantagineus Margaret J. Williams 1983-7-29 83- 116 -1 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mountains 2087 Comment
  CAS-BOT-BC42800  Erigeron eatonii var. plantagineus P. Monnet 1913-7-1 908 Modoc Warren's Peak. 2468 Comment
  UC711883  Erigeron eatonii var. plantagineus Roxana S. Ferris and Laura Lorraine 1941-8-14 10585 Modoc 3 mi from Patterson Ranger Station (on road to Eagleville); Warner Mountains, Modoc National Forest Comment
  CAS-BOT-BC42769  Erigeron elegantulus Alice Eastwood; John Thomas Howell 1940-6-14 8238 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC42770  Erigeron elegantulus Bruce Bartholomew 1991-6-20 5778 Modoc 9.8 km E of junction of county roads 87 and 90. 1250 Comment
  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
  UC87693  Erigeron filifolius Mrs. R. M. Austin 1884-7-1 Modoc Fort Bidwell Comment
  CAS-BOT-BC49613  Erigeron glacialis var. glacialis Elmer Ivan Applegate 1932-8-1 8021 Modoc Just N of Warren Peak. Comment
  CAS-BOT-BC49615  Erigeron glacialis var. glacialis Louis Cutter Wheeler 1935-8-8 3806 Modoc Pine Creek, Warner Mountains Comment
  CAS-BOT-BC49617  Erigeron glacialis var. glacialis Elmer Ivan Applegate 1932-7-9 7593 Modoc N slope of Bidwell Mountain, Warner Mountains Comment
  JEPS5925  Erigeron glacialis var. glacialis Frances D. Payne 1931-6-25 263 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  UC468830  Erigeron glacialis var. glacialis M. F. Gilman 522 Modoc Comment
  HSC5563  Erigeron inornatus var. inornatus M. T. Milligan 1966-7-26 583 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  CAS-BOT-BC49608  Erigeron linearis Francis Dorris Payne 1929-6-19 10 Modoc Parker Creek, Warner Mtns. 1584 Comment
  CHSC67467  Erigeron linearis James D. Jokerst 1992-5-8 Modoc South of runway at Alturas Airport. Comment
  JEPS41569  Erigeron linearis L. S. Smith 1166 Modoc Timber Mt. 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
  OBI49208  Erigeron linearis Lewis S. Rose 1940-6-12 40538 Modoc 6 mi NE of Alturas 1341 Comment
  RSA554794  Erigeron linearis Margaret J. Williams 1988-5-30 88- 26 -3 Modoc Jess Valley, S of roadside rest. 1524 Comment
  SJSU9615  Erigeron lonchophyllus W. Savage 1979-7-6 1402 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA540065  Erigeron peregrinus subsp. callianthemus Bruce Bartholomew, B. Anderson 1990-7-20 5505 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC49577  Erigeron philadelphicus Annie Montague Alexander; L. Kellogg 1946-8-10 5149 Modoc 0.5 mi. beyond Porter Reservation Road. Comment
  CAS-BOT-BC49581  Erigeron philadelphicus Barrett Anderson 1986-7-9 3181 Modoc Warner Mtns., Stough Reservoir Rd., just E of Cedar Pass near Stough Reservoir 1965 Comment
  CAS-BOT-BC497216  Eriogonum collinum Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -2 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  HSC80736  Eriogonum douglasii G. M. Riegel 1980-8-13 1064 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC197823  Eriogonum elatum John Thomas Howell 1934-6-13 12070 Modoc Fandango Pass, Warner Mts. 1828 Comment
  CAS-BOT-BC197825  Eriogonum elatum Francis Dorris Payne 1932-7-22 738 Modoc Parker Creek. 1584 Comment
  CDA22581  Eriogonum elatum T. C. Fuller 1963-7-16 10919 Modoc South side of Fandango Pass Road, 0.8 mile east of Highway 395 to Willow Ranch. 0 Comment
  JEPS56998  Eriogonum elatum var. elatum Frances D. Payne 1932-7-22 738 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC197806  Eriogonum heracleoides var. heracleoides Bruce Bartholomew 1991-8-5 6047 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2470 Comment
  CAS-BOT-BC197812  Eriogonum heracleoides var. heracleoides Annie Montague Alexander; L. Kellogg 1946-7-14 5070 Modoc Emerson Peak, Horse Mountain, Warner Mts. Comment
  JEPS56884  Eriogonum heracleoides var. heracleoides W. L. Jepson 1918-8-13 7965 Modoc Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  RSA796041  Eriogonum heracleoides var. heracleoides L. P. Janeway, B. Castro 2012-7-24 10974 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  RSA0025579  Eriogonum heracleoides var. heracleoides John F. Emmel 1996-7-15 1429 Modoc Warner Mtns; peak 7942 and ridge 0.0-0.2 air mi NNE of the peak, ca. 2.5 air mi SSW of Emerson Peak. 2378 Comment
  HSC75597  Eriogonum microthecum var. ambiguum G. M. Riegel 1980-7-14 868 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC498762  Eriogonum nudum L. S. Smith no date on label; likely 1924 1431 Modoc Modoc Forest Comment
  JEPS56642  Eriogonum nudum var. oblongifolium Frances D. Payne 1931-7-5 323 Modoc about 3 mi n Parker Creek (Fern Spring; s and e of Alturas); Warner Mountains, Fern Spring 1828 Comment
  CAS-BOT-BC211443  Eriogonum nudum var. pubiflorum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 190 Modoc Above Parker Creek near Modoc Nat. Forest. Comment
  CAS-BOT-BC211445  Eriogonum nudum var. pubiflorum Louis Cutter Wheeler 1935-8-14 3840 Modoc Pine Creek, Warner Mts. 2011 Comment
  UCD77673  Eriogonum nudum var. pubiflorum Robert E. Preston 2000-7-17 1395 Modoc Ca. 11 mi nw of Canby, along Hwy 139, T42N R8E Section 3 1490 Comment
  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
  SBBG101262  Eriogonum nudum var. pubiflorum R. R. Halse 1991-7-28 4244 Modoc St Hwy 139, 13 mi NW of its jct with St Hwy 299 1469 Comment
  SEINET5330947  Eriogonum nudum var. pubiflorum J. Gentry Jr. 1968-7-4 2114 Modoc 3.9 miles west of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 299 at Pit River. 1341 Comment
  UC634523  Eriogonum nudum var. pubiflorum F. H. Frost 1925-7-13 71 Modoc roadside s Cedarville; Warner Mts. Comment
  JEPS109844  Eriogonum prociduum Dean W. Taylor 2004-5-13 19067 Modoc 11 air miles SSW of Alturas; jeep road ascending to plateau from County Road 62, ca. 1.5 mi S73degE of mapped location of Wade Williams Spring on quadrangle 1524 Comment
  CAS-BOT-BC211351  Eriogonum spergulinum var. reddingianum Elmer Ivan Applegate 1932-8-3 8104 Modoc East branch of Mill Creek, Mill Creek Meadows, west slope Warner Mts. Comment
  HSC17341  Eriogonum spergulinum var. reddingianum M. T. Milligan 1966-8-3 624 Modoc W slope of Eagle Peak 2439 Comment
  NY283083  Eriogonum spergulinum var. reddingianum B. M. Bartholomew 1991-8-5 6026 Modoc Summit trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  POM260451  Eriogonum sphaerocephalum C. L. Hitchcock 1940-5-27 6656 Modoc 9 miles northeast of Alturas. 1402 Comment
  RSA165569  Eriogonum sphaerocephalum Clare B. Hardham 1961-6-20 7870 Modoc Pine Creek. 1677 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
  SBBG1626  Eriogonum sphaerocephalum H. and M. Dearing 1939-6-9 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  CAS-BOT-BC211384  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew; Barrett Anderson 1988-6-23 4252 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC211392  Eriogonum sphaerocephalum var. halimioides Barrett Anderson 1986-7-9 3159 Modoc Warner Mts, Hwy 299 just W of Cedar Pass. 1920 Comment
  CAS-BOT-BC211421  Eriogonum sphaerocephalum var. halimioides Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10594 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mts., Modoc National Forest Comment
  SEINET3160082  Eriogonum sphaerocephalum var. halimioides L. S. Rose 1940-6-11 40510 Modoc Indian Spring, 7 mi. n. of Adin 1524 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
  UC1483805  Eriogonum sphaerocephalum var. halimioides G. Schoolcraft 1979-6-15 63 Modoc 4 mi n Hwy. 299 (on e side of Hwy. 395) 1402 Comment
  UC6459  Eriogonum sphaerocephalum var. halimioides M. S. Baker and Frank Nutting June 1894 Modoc near Egg Lake Comment
  CAS-BOT-BC211360  Eriogonum strictum subsp. anserinum Annie Montague Alexander; L. Kellogg 1946-7-24 5072 Modoc Horse Mountain, Warner Mts. Comment
  UC1735887  Eriogonum strictum var. anserinum Dean W. Taylor 1988-6-4 9763 Modoc Tule Lake Basin; Dobie Flat, 2.6 miles S10 E of Casuse Mountain, 1280 Comment
  CAS-BOT-BC211371  Eriogonum umbellatum Bruce Bartholomew 1992-8-8 6368 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  CAS-BOT-BC211367  Eriogonum umbellatum B. Bartholomew; Barrett Anderson 1988-7-22 4523 Modoc S end of Bearcamp Flat, southern end of Warner Mountains 2230 Comment
  CAS-BOT-BC211328  Eriogonum umbellatum var. dichrocephalum J. L. Reveal; Darin Scott Reveal 1978-8-11 4821 Modoc Warner Mts., along Modoc Co. Rd. 2 from near New Pine Creek to Fort Bidwell, just E of Poison Lake turnoff about 5.4 miles E of US Hwy 395 1935 Comment
  CAS-BOT-BC211331  Eriogonum umbellatum var. glaberrimum J. L. Reveal; Darin Scott Reveal 1978-8-11 4825 Modoc Warner Mts., along Modoc Co. Rd. 2 from near New Pine Creek to Fort Bidwell, 0.3 mi. W of Poison Lake turnoff. 1920 Comment
  NY399140  Eriogonum umbellatum var. glaberrimum J. L. Reveal 1978-8-11 4823 Modoc Warner Mountains, Dismal Swamp, about 2 miles north of Modoc County Road 2, at the northwest end of Dismal Swamp south of Dismal Creek 2225.0 Comment
  CHSC109204  Eriogonum umbellatum var. modocense L. P. Janeway; B. Castro 2012-7-24 10962 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  HSC17347  Eriogonum umbellatum var. modocense M. T. Milligan 1964-6-20 47 Modoc E A St. near Hwy. 395, Alturas 1372 Comment
  RSA520491  Eriogonum umbellatum var. modocense Bruce Bartholomew 1989-7-15 5017 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC197788  Eriogonum umbellatum var. nevadense Francis Dorris Payne 1929-7-20 105 Modoc Parker Creek, Warner Mts. 1584 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
  NY399269  Eriogonum umbellatum var. nevadense M. J. Williams 1984-7-1 8487- 6 Modoc Northwest of Alturas, Crowder Flat Road, near Big Sage Reservoir 1371.6 Comment
  SJSU9142  Eriogonum umbellatum var. nevadense R. L. Fisher 1958-6-13 Modoc by Hwy 299, 10 mi W of Alturas Comment
  CAS-BOT-BC197610  Eriogonum umbellatum var. polyanthum Margaret J. Williams 1988-5-30 88- 22 -2 Modoc Crowder Flat road NW of Alturas. 1524 Comment
  CAS-BOT-BC197624  Eriogonum umbellatum var. polyanthum Bruce Bartholomew 1990-6-17 5358 Modoc 11.3 km N of Buck Creek Ranger Station, a crest of the Warner Mountains. 2130 Comment
  CAS-BOT-BC197599  Eriogonum vimineum Alice Eastwood; John Thomas Howell 1940-6-13 8134 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC197601  Eriogonum vimineum R. M. Austin 1898-8-1 2317 Modoc Goose Lake valley. Comment
  CHSC106195  Eriogonum vimineum Lowell Ahart; John Dittes 2010-8-31 17115 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  JEPS56153  Eriogonum vimineum W. L. Jepson 1918-8-6 7851 Modoc Surprise Valley 1447 Comment
  RSA65965  Eriogonum vimineum F. W. Peirson 1926-6-24 6856 Modoc near a small lake about 3 mi. east of Alturas. Comment
  SEINET5341981  Eriogonum vimineum R. R. Halse 2010-8-25 8084 Modoc Along State Hwy 139 ca. 25.5 miles northwest of its junction with State Hwy. 299, Modoc National Forest 1278 Comment
  UC6526  Eriogonum vimineum Mrs. R. M. Austin and Bruce Aug 1898 2317 Modoc Goose Lake valley Comment
  UC71868  Eriogonum vimineum Mrs. M. H. Manning 1904-7 234 Modoc near Fort Bidwell Comment
  CAS-BOT-BC49563  Eriophyllum lanatum John Thomas Howell 1934-6-13 12103 Modoc North fork of Barber Creek, Warner Mountains 1828 Comment
  CAS-BOT-BC49567  Eriophyllum lanatum Alice Eastwood; John Thomas Howell 1940-6-13 8109 Modoc Surprise Valley Comment
  CAS-BOT-BC49594  Eriophyllum lanatum Francis Dorris Payne 1929-6-29 30 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC49596  Eriophyllum lanatum Alice Eastwood; John Thomas Howell 1940-6-13 8112 Modoc Surprise Valley. Comment
  UC566744  Eriophyllum lanatum var. achilleoides F. H. Frost 1925-7-13 77 Modoc summit Cedar Canyon; Warner Mts., Cedar Canyon 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
  JEPS61388  Erodium cicutarium L. S. Smith 1919-5-7 1094 Modoc Warner Mts. Comment
  CHSC106338  Eryngium alismifolium Lowell Ahart; John Dittes 2010-8-30 17063 Modoc About 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS25824  Eryngium alismifolium Leland S. Smith June, 1924 1384 Modoc Egg Lake Ranch Comment
  SJSU9591  Eryngium alismifolium W. Savage 1979-7-5 1356 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 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-BC21478  Eryngium articulatum Leland S. Smith 1922-8-10 1334 Modoc Medow W of Gutzman's. 1432 Comment
  JEPS94841  Eryngium articulatum Vernon H. Oswald and Lowell Ahart 1998-9-8 9589 Modoc County Road 93 adjacent to the Rail Road at Lookout Junction nw of Lookout; County Road 93 1280 Comment
  RSA504596  Eryngium articulatum Bruce Bartholomew, B. Anderson 1988-6-23 4289 Modoc South side of Egg Lake, ca. 1.5 km west of the Burlington Northern railroad track 1300 Comment
  CHSC66978  Eryngium mathiasiae James D. Jokerst 1987-6-23 2933 Modoc Radar Survey Site s of Doublehead Mtn., off-site survey at a large dry lake ca. 0.66 mi E of Lone Pine Lake and ca. 1.3 mi S of Doublehead Lake. Comment
  POM259277  Eryngium mathiasiae J. T. Howell 1934-7-2 12349 Modoc 1 mile south of Double Head Comment
  UC1510466  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc Modoc Nat'l Forest Rimrock Lake; , Rimrock Lake 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
  RSA149079  Erysimum capitatum I. L. Wiggins, Dorothy Wiggins 1961-6-15 16497 Modoc SE flank of Glass Mtn, near Modoc-Siskiyou Co line. Comment
  CAS-BOT-BC234511  Erythranthe arvensis Bruce Bartholomew; Barrett Anderson 1989-6-2 4790 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC229900  Erythranthe breviflora Bruce Bartholomew 1991-7-5 5949 Modoc Coyote Meadow, near the Oregon border. 1580 Comment
  CAS-BOT-BC229907  Erythranthe breweri Bruce Bartholomew 1991-7-7 6004 Modoc SE end of Sweargart Flat. 1820 Comment
  CAS-BOT-BC234475  Erythranthe inflatula Bruce Bartholomew 1995-6-22 6988 Modoc Between Day and Lookout, just W of Burlington Northern Railroad track on County Road 94. 1270 Comment
  CHSC117239  Erythranthe inflatula Lowell Ahart; John Dittes 2016-7-16 21249 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
  CAS-BOT-BC234427  Erythranthe pulsiferae Bruce Bartholomew 1992-5-16 6320 Modoc Lunsford Spring. 1600 Comment
  CAS-BOT-BC234468  Erythranthe pulsiferae Bruce Bartholomew 1995-6-22 6974 Modoc Between Day and Lookout, 4.3 km W of Day on County Road 94. 1350 Comment
  CAS-BOT-BC234473  Erythranthe pulsiferae Bruce Bartholomew 1995-6-1 6917 Modoc NW edge of Little Hot Spring Valley NW of Day. 1080 Comment
  CAS-BOT-BC234433  Erythranthe suksdorfii Alice Eastwood; John Thomas Howell 1940-6-15 8276 Modoc Near Perez. Comment
  CAS-BOT-BC234435  Erythranthe tilingii Elmer Ivan Applegate 1932-8-3 8139 Modoc Western slope of Eagle Peak. Comment
  CAS-BOT-BC402921  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Modoc Lava Beds National Monument. Caldwell Butte, south slope Comment
  RSA520358  Eschscholzia californica subsp. californica Bruce Bartholomew, B. Anderson 1989-6-3 4917 Modoc 9 km W of County Route 91 along the N side of the Pit River 1340 Comment
  CAS-BOT-BC497302  Euphorbia crenulata B. Bartholomew 1995-6-24 7029 Modoc 0.3 km W of turn-off to Dusty's Waterhole from Forest Service Road 42N23 1320 Comment
  CAS-BOT-BC95714  Euphorbia serpillifolia Verne Grant; I. Schneider 1947-7-20 8089 Modoc Dorris Reservoir. Comment
  SD215505  Euphorbia serpillifolia Louis C. Wheeler 1973-8-24 Modoc Warner Mountains; Sworinger Reservoir. 1798 Comment
  CAS-BOT-BC247709  Festuca idahoensis John Thomas Howell 1934-7-1 12336 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247714  Festuca idahoensis Alan Ackerman Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin. 1828 Comment
  RSA0089762  Festuca idahoensis Dean Wm. Taylor 2014-6-10 21483 Modoc Vicinity Mud Lake; County Road 91 (Lookout to Tule Lake) at the junction, Modoc National Forest Road 42N56. 1432 Comment
  SD96115  Festuca idahoensis Jack L. Reveal 1976-6-2 1838 Modoc Modoc National Forest, 48 miles south of Klamath Falls near Perez 1280 Comment
  UC1024985  Festuca idahoensis Leo Whitney 1935-7-5 3408 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UCD65969  Festuca idahoensis R. Tofsrud 1947-7-1 253 Modoc Between Canby and Adin. Comment
  HSC9865  Festuca idahoensis M. T. Milligan 1965-6-27 370 Modoc 1677 Comment
  UC1024863  Festuca occidentalis Leo Whitney 1935-6-1 3162 b Modoc ca 18 mi wnw Canby; Hole-in-the-Rock Comment
  CAS-BOT-BC278912  Festuca ovina Elmer I. Applegate 1932-8-1 8028 Modoc Summit of Warner Mountains just south of Warren Peak Comment
  CDA2095  Festuca pratensis T. C. Fuller 1958-7-8 2017 Modoc Davis Creek. 0 Comment
  UC1024997  Festuca pratensis Leo Whitney 1935-7-7 3389 Modoc 4 mi nw Canby; Howard Gulch Comment
  UC1037180  Festuca pratensis Leo Whitney 1935-8-18 3614 Modoc Comment
  UCD66349  Festuca rubra L. Whitney 1935-7-7 3402 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  CAS-BOT-BC179187  Floerkea proserpinacoides Margaret J. Williams 1984-6-30 84- 80 -1 Modoc 6.8 mi. W of Cedarville-Gerlach road, Granger Canyon Rd. 1981 Comment
  UC1060654  Floerkea proserpinacoides Herbert L. Mason 1957-7-6 14717 Modoc Warner Mountains, Mill Creek Mill Creek; Warner Mountains, Mill Creek Comment
  SEINET195710  Frasera albicaulis Unknown 1946-7-7 4941 Modoc Eight Mile Creek, northeast corner of county. 1753 Comment
  POM518787  Frasera albicaulis var. nitida Barbara Ertter 1988-6-18 7620 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  CAS-BOT-BC191138  Fraxinus latifolia Leland S. Smith 1410 Modoc Modoc County. Comment
  RSA534561  Fraxinus latifolia Bruce Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake 1300 Comment
  CAS-BOT-BC242104  Fritillaria atropurpurea E. H. Steffen 1917-6-21 50 Modoc Henderson Meadow. 1676 Comment
  SEINET8478733  Fritillaria atropurpurea M. J. Williams 1968-1 Modoc Comment
  CAS-BOT-BC242091  Fritillaria pudica Bruce Bartholomew; Barrett Anderson 1989-4-28 4656 Modoc SW corner of Raker & Thomas Reservoir. 1500 Comment
  CHSC42209  Fritillaria pudica C. E. Laver 1986-3-26 Modoc Ca. 11.5 mi ne of Alturas and 1 mi sw of Thomes Creek. 1524 Comment
  HSC25436  Fritillaria pudica D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19310 Modoc Soup Springs Campground Comment
  UC1036047  Fritillaria pudica Annie M. Alexander and Louise Kellogg 1946-6-8 4699 Modoc road from Eagleville to Patterson Mill 2286 Comment
  RSA520480  Fritillaria pudica Bruce Bartholomew, B. Anderson 1989-4-28 4657 Modoc 9 km N of State Highway 299 and ca 1.5 km SE Raker & Thomas Reservoir. 1500 Comment
  CAS-BOT-BC242088  Fritillaria recurva Bruce Bartholomew 1994-5-27 6705 Modoc Bowman Spring W side of the Whitehorse Mountains near the Siskyou County line. 1400 Comment
  CAS-BOT-BC225053  Galium aparine Francis Dorris Payne 1932-6-10 623 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC225055  Galium aparine Bruce Bartholomew 1995-7-31 7125 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. Along N fork of Davis Creek 1920 Comment
  HSC19783  Galium aparine M. T. Milligan 1965-6-23 304 Modoc N end Jess Valley 1616 Comment
  POM367842  Galium asperrimum Christopher Davidson 1975-6-4 s.n. Modoc 2.5. miles W of Cedarville on Hwy 299. 1677 Comment
  UC1485928  Galium glabrescens subsp. modocense Gregg M. Riegel 1980-8-28 1117 Modoc 1/2 mi e Owl Creek Trail (near summit); Modoc Nat. Forest, S Warner Mt. Wilderness Area 2511 Comment
  UC748483 Image available Galium glabrescens subsp. modocense Annie M. Alexander and Louise Kellogg 1946-7-14 5071 Modoc open slope of Horse Mountain; Warner Mountains; Horse Mt., Warner Mts., Modoc Co. Comment
  UCD121803  Galium mexicanum subsp. asperulum Verne Grant; Irving Schneider 1947-7-22 8140 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. Comment
  RSA67245  Gayophytum decipiens P. A. Munz 1951-9-14 16982 Modoc Cedar Pass, Warner Mountains 1921 Comment
  CAS-BOT-BC190856  Gayophytum decipiens Mrs. H. C. Cantelow 1940-6-2 4030 Modoc NW of Canby, road to lava beds. Comment
  CAS-BOT-BC190836  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1988-6-23 4280 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC190842  Gayophytum diffusum subsp. parviflorum Leland S. Smith 1922-7-20 1295 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  UC1191755  Gayophytum diffusum subsp. parviflorum Herbert L. Mason and Verne Grant 1947-7-10 13334 a Modoc 2 mi e Alturas; Dorris Reservoir 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
  CAS-BOT-BC190829  Gayophytum humile Bruce Bartholomew 1991-6-20 5785 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  NY999596  Gayophytum racemosum M. S. Baker 1894-6-29 s.n. Modoc Big Valley Comment
  UC1028656  Gayophytum racemosum Robert J. Weatherby 1955-7-8 1609 A Modoc 7 mi n Ft. Bidwell 1874 Comment
  POM203074  Gayophytum ramosissimum J. T. Howell 1934-6-30 12281 Modoc Duncan Horse Camp. Comment
  POM38705  Gayophytum ramosissimum R. M. Austin 1895-07 468 Modoc Goose Lake Valley. Comment
  JEPS24348  Gentiana affinis var. ovata L. S. Smith 1918-7-29 1010 Modoc Patterson Mill Warner Mts. 2194 Comment
  UC571132 Image available Geranium attenuilobum F. H. Frost 1925-7-26 113 Modoc Jess Valley Warner Mts.; Jess Valley, Warner Mts., Modoc Co. Comment
  CAS-BOT-BC180058  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-7-3 4901 Modoc Bidwell Creek Canyon, 5 mi. W of Fort Bidwell. Comment
  UC109430  Geranium viscosissimum unknown Jun 1894 218 Modoc Willow Creek Comment
  RSA0029590  Geranium viscosissimum var. nervosum C. L. Hitchcock 1940-5-27 6703 Modoc 15 miles NE of Alturas. 1677 Comment
  RSA0029592  Geranium viscosissimum var. nervosum C. L. Hitchcock 1940-5-27 6703 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC214671  Geum triflorum K. Paulson; Robert Paulson 1988-6-19 52 Modoc Craig Springs. 1493 Comment
  HSC18642  Geum triflorum M. T. Milligan 1967-7-8 665 Modoc W slope of Eagle Peak 2439 Comment
  HSC27360  Geum triflorum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19433 Modoc Near Hager Reservoir Comment
  RSA666425  Geum triflorum Barbara Ertter 1988-6-18 7627 Modoc Hwy 139 14.5 miles ENE of jct Hwy 299 at Canby, N of Bessler Reservoir. 1463 Comment
  UC860134  Geum triflorum Lewis S. Rose 1940-6-14 40576 Modoc 8 mi nw of Canby 1524 Comment
  CAS-BOT-BC214667  Geum triflorum Fred. P. Cronemiller 1920-7-1 19 Modoc Lost Canyon, Bieber Range. 1463 Comment
  RSA59762  Geum triflorum E. K. Balls 1950-5-15 14699 Modoc 6 miles SW of Dry Lake Ranger Station, along railroad. 1280 Comment
  UC1299119  Geum triflorum Freed W. Hoffman 1946-5-30 681 Modoc along Highway 86 not far from Canby Comment
  RSA504665  Geum triflorum var. ciliatum K. Paulson, R. Paulson 1988-5-22 s.n. Modoc Boles Creek, Devil's Garden. 1402 Comment
  CAS-BOT-BC190702  Gilia brecciarum subsp. brecciarum Elmer Ivan Applegate 1936-5-17 10313 Modoc Top of Gillams bluff, Lava Bed National Monument. Comment
  CAS-BOT-BC190692  Gilia leptalea subsp. leptalea Bruce Bartholomew 1994-7-1 6762 Modoc 15.1 km NW of State Hwy. 299 on road to Dutch Flat. 1460 Comment
  CAS-BOT-BC26132  Gilia modocensis Alice Eastwood; John Thomas Howell 1940-6-12 8073 Modoc Between Likely and Jess Valley Comment
  UC1332111  Gilia modocensis A. Eastwood and J. T. Howell 1940-6-12 8073 Modoc between Likely and Jess Valey, Modoc Co. Comment
  CAS-BOT-BC190660  Gilia salticola Bruce Bartholomew 1991-5-24 5710 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  UC23639  Gilia salticola Mrs. C. C. Bruce June 1898 2328 Modoc near Likely; near Likely Comment
  CAS-BOT-BC190667  Gilia sinistra subsp. sinistra Bruce Bartholomew; Barrett Anderson 1990-7-21 5588 Modoc Bear Flat, W side of Warner Mts. Ranger Station, er Station, E side of Warner Mts. 1830 Comment
  CAS-BOT-BC218302  Glaux maritima Arnold Tiehm; S. Cochrane; Jan Nachlinger; Gary Schoolcraft 1984-6-24 8796 Modoc Surprise Valley Mineral Wells on E side of Alkali Lake. 1371 Comment
  JEPS114839  Glyceria borealis Lowell Ahart, John Dittes 2008-6-21 15006 Modoc In shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber 1269 Comment
  JEPS69275  Glyceria elata Leland S. Smith 1918-8-18 1040 Modoc South Fork East Creek; Modoc National Forest, Eagle Peak Range 2499 Comment
  SBBG21241  Glyceria elata B. Crampton 1954-7-8 Modoc 15 mi E of Likely, Jess Valley 1676 Comment
  UC60735  Glyceria striata M. S. Baker and Frank Nutting 1894-8-25 Modoc Forestdale 1371 Comment
  CAS-BOT-BC303768  Glyptopleura marginata B. Bartholomew 1993-6-13 6621 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley 1400 Comment
  CAS-BOT-BC49573  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1990-7-20 5459 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC49575  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1990-7-19 5402 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  HSC67887  Gnaphalium palustre J. P. Smith, J. O. Sawyer 1973-8-9 7260 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  CHSC117264  Gratiola ebracteata Lowell Ahart; John Dittes 2016-7-14 21211 C Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS121225  Gratiola neglecta Lowell Ahart, John Dittes 2013-7-24 18917 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  JEPS21901  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-18 8038 Modoc Eastside Canal s Alturas (5 mi n of Bayley's bridge); Eastside Canal Comment
  RSA0045635  Gratiola neglecta Lowell Ahart, John Dittes 2008-6-21 14993 Modoc North of the large culvert, east of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area,, about 5.4 miles (air) northeast of Bieber. 1255 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
  RSA520366  Grayia spinosa Bruce Bartholomew, B. Anderson 1989-4-29 4682 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 457 Comment
  CAS-BOT-BC49544  Grindelia hirsutula Francis Dorris Payne 1932-8-23 Modoc Shield Creek. 1645 Comment
  CAS-BOT-BC49546  Grindelia hirsutula John Thomas Howell 1934-6-30 12271 Modoc Duncan Horse Camp. Comment
  RSA504616  Grindelia nana Bruce Bartholomew, B. Anderson 1988-7-21 4403 Modoc 2.1 km SSE of Day on the road to state Highway 299 1020 Comment
  CAS-BOT-BC54089  Hackelia cusickii L. Mott 1976-5-29 14 LM76 Modoc Devils Garden, N of Alturas. 1402 Comment
  CAS-BOT-BC54093  Hackelia cusickii Bruce Bartholomew; Barrett Anderson 1989-6-3 4852 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca. 5.5 km S of Big Sage Reservoir. 1550 Comment
  CAS-BOT-BC54095  Hackelia cusickii M. M. Hanna 1956-6-7 1019 Modoc Hwy 139 between Canby and Tienesta. Comment
  RSA531333  Hackelia cusickii Bruce Bartholomew, M. Bourell 1990-4-28 5209 Modoc 4.3 km SE of Rush Creek on road to Hunters Ridge 1550 Comment
  UCSB30292  Hackelia cusickii Hardham, Clare 1961-6-18 Modoc Hills 3 miles east of Cedar Pass 1828 Comment
  UC32258  Helianthella californica subsp. nevadensis Milo S. Baker 1893-6-20 Modoc Comment
  POM55333  Helianthella californica var. nevadensis Milo S. Baker 1893-6-20 s.n. Modoc [Unspecified] Comment
  CHSC106342  Helianthus annuus Lowell Ahart; John Dittes 2010-8-30 17072 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UCD132790  Helianthus annuus Annetta Carter 1946-8-18 1775 Modoc along roadside in open valley, Round Valley, 3 miles northeast of Adin. 1402 Comment
  SEINET11196910 Image available Helianthus cusickii M. J. Williams, A. Tiehm 1988-6-2 88- 28 -5 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  UC1191655  Heliotropium curassavicum Herbert L. Mason and Verne Grant 1947-7-12 13411 Modoc s.w. of Alturas (w. side of S. Fork of Pit R. Valley); S. Fork of Pit R. Valley Comment
  RSA534715  Heliotropium curassavicum var. oculatum Bruce Bartholomew 1989-8-11 5058 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. 1430 Comment
  JEPS1677  Hesperochiron californicus L. S. Smith c. 1918 809 Modoc Warner Mts., Jess Valley 1524 Comment
  CDA40308  Hesperochiron californicus M. Charrier 1969-5-25 s.n. Modoc West Valley Reservoir, southeast of Likely. 0 Comment
  UC26093  Hesperochiron californicus Mrs. R. M. Austin June 1894 Modoc lava beds w. Goose Lake Comment
  CAS-BOT-BC180038  Hesperochiron pumilus Bruce Bartholomew; Barrett Anderson 1989-4-27 4642 Modoc Dutch Flat, NW of Adin. 1390 Comment
  RSA59731  Hesperochiron pumilus E. K. Balls 1950-5-17 14739 Modoc Howard s Gulch Public Camp, off Highway 139. 1433 Comment
  JEPS32312  Hesperolinon micranthum Mrs. M. H. Manning 1918-7-14 Modoc north-eastern Modoc County Comment
  CAS-BOT-BC95148  Heterocodon rariflorum Bruce Bartholomew 1992-5-16 6327 Modoc Lunsford Spring. 1600 Comment
  POM193019  Heterocodon rariflorum Franklin P. Nutting 1894-9-1 s.n. Modoc Forestdale. Comment
  CAS-BOT-BC225790  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-29 5089 Modoc Head of Eagle Creek, Warner Mts. Comment
  POM35555  Hieracium albiflorum Mrs. R. M. Austin 1895-07 569 Modoc Goose Lake Valley. Comment
  POM229874  Hieracium albiflorum L. C. Wheeler 1935-8-14 3837 Modoc Pine Creek. Warner Mtns. 2011 Comment
  UC75813  Hieracium nudicaule Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC49477  Hieracium scouleri Bruce Bartholomew 1989-8-12 5116 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  CAS-BOT-BC49517  Hieracium scouleri John Thomas Howell 1934-6-11 11955 Modoc Parker Creek. 1584 Comment
  CHSC38986  Hieracium scouleri J. D. Jokerst 1983-6-18 1860 Modoc Forest adjacent to meadow. 0.4 miles south of Crowder Flat on forest service road 73. Comment
  CAS-BOT-BC49515  Hieracium scouleri Leland S. Smith 1924-6-22 1428 Modoc Lava beds West Lava Ranger Station. Comment
  JEPS36590  Hieracium scouleri L. S. Smith 1918-7-22 1004 Modoc Blue Lake Modoc Forest, Blue Lake 1828 Comment
  JEPS5974  Hieracium scouleri Frances D. Payne 1929-7-20 104 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC71727  Hippuris vulgaris Mrs. M. H. Manning 1903-4-18 89 Modoc near Fort Bidwell; n.e. Modoc Co. Comment
  RSA0016759  Hippuris vulgaris Louis C. Wheeler 1935-9-5 3957 Modoc Tuttle Place, west side Goose Lake 1463 Comment
  CHSC109498  Holodiscus discolor var. glabrescens L. P. Janeway; B. Castro 2012-7-26 11013 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 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
  SEINET11915820  Holodiscus dumosus M. Ownbey, Meyer, F. G. 1940-1 2155 Modoc Cedar Park, Warner Mtns Comment
  CAS-BOT-BC214692  Holodiscus microphyllus var. glabrescens Francis Dorris Payne 1929-7-26 109 Modoc Pine Creek Basin. 2133 Comment
  RSA59360  Holodiscus microphyllus var. glabrescens E. K. Balls 1950-5-20 14813 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  CAS-BOT-BC95208  Holosteum umbellatum subsp. umbellatum Bruce Bartholomew 1995-5-12 6900 A Modoc Near NE side of Day Rock above Little Hot Spring Valley. 1250 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
  CAS-BOT-BC247686  Hordeum brachyantherum subsp. brachyantherum John H. Hatton 1911-6-20 122 Modoc unspecified Comment
  HSC65542  Hordeum jubatum Thomas Wood 1979-8-8 207 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  POM520354  Horkelia fusca subsp. parviflora Bruce Bartholomew, B. Anderson 1989-6-3 4901 Modoc 8 km WNW of Long Bell Ranger Station. 1349 Comment
  UCSB27161  Hydrophyllum capitatum Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls near Clear Lake; east of Likely; Warner Mtns. 1767 Comment
  CAS-BOT-BC179317  Hydrophyllum capitatum var. alpinum Betty J. Hammerly 1941-6-20 28 Modoc Clear Lake 1615 Comment
  CAS-BOT-BC179324  Hydrophyllum capitatum var. alpinum L. A. M. Black 1894-4-1 107 Modoc Davis Creek. Comment
  CAS-BOT-BC179332  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; Barrett Anderson 1989-4-29 4688 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CHSC30635  Hydrophyllum capitatum var. alpinum NEH Prouty 1980-6-2 170 Modoc Modoc National Forest, Warner Mt District Sheep Rock T. S. Comment
  UC71797  Hydrophyllum capitatum var. alpinum Mrs. M. H. Manning 1903-1 87 Modoc se slope Mt. Bidwell (ne Modoc County) Comment
  UC748115  Hydrophyllum capitatum var. alpinum Annie M. Alexander and Louise Kellogg 1946-7-24 5077 Modoc Bear Camp Flat; Warner Mountains 2286 Comment
  RSA520465  Hydrophyllum capitatum var. alpinum K. Paulson, R. Paulson 1989-6-14 127 Modoc 1.5 miles NE of Cedar Pass, Warner Mts. 1905 Comment
  RSA59652  Hydrophyllum capitatum var. alpinum E. K. Balls 1950-5-12 14638 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  UC1537396  Hydrophyllum capitatum var. alpinum Gordon H. True Jr. 1938-6-25 918 Modoc s of Widow Valley 1219 Comment
  CAS-BOT-BC179894  Hypericum scouleri Leland S. Smith 1919-8-7 1140 Modoc Ash Valley range. 1828 Comment
  CDA24886  Idahoa scapigera D. O. Clark 1980-4-25 Modoc 0 Comment
  CAS-BOT-BC179103  Iliamna bakeri Alice Eastwood; John Thomas Howell 1940-6-14 8242 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC179105  Iliamna bakeri Leland S. Smith 1922-7-25 1310 Modoc Grouse Mt. 1981 Comment
  UCD133486  Ionactis alpina C. N. Saulisberry 1964-7-1 s.n. Modoc eastern Modoc County. Comment
  UC194968  Ipomopsis aggregata W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek Warner Mtns 1676 Comment
Read comments
Apr 26 2007
  UC449780  Ipomopsis aggregata Franklin P. Nutting Modoc near Forestdale Comment
  UC879820  Ipomopsis aggregata Lewis S. Rose 1940-6-13 40555 Modoc Fandango Pass Comment
  CAS-BOT-BC190647  Ipomopsis aggregata subsp. aggregata P. Monnet 1913-7-1 895 Modoc Warner's Range. 2438 Comment
  CAS-BOT-BC190651  Ipomopsis aggregata subsp. aggregata Robert Patterson; Mona Bourell 1993-8-15 5240 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  SEINET12330750  Ipomopsis congesta M. Ownbey, Meyer, F. G. 1940-1 2133 Modoc Cedar Pass, Warner Mts Comment
  UC23475  Ipomopsis congesta Mrs. C. C. Bruce June 1898 2330 Modoc table land Warner Mtns Comment
  UC449787  Ipomopsis congesta M. F. Gilman 510 Modoc Comment
  CAS-BOT-BC190640  Ipomopsis congesta subsp. palmifrons Bruce Bartholomew 1991-8-5 6046 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2470 Comment
  RSA37423  Ipomopsis congesta subsp. palmifrons Marion Ownbey, Fred G. Meyer 1940-7-1 2133 Modoc Cedar Pass, Warner Mountains Comment
  JEPS792  Ipomopsis tenuituba L. S. Smith 1918-6-22 950 Modoc Lily Lake, Warner Mountains 2042 Comment
  HSC13879  Iris missouriensis M. T. Milligan 1966-6-28 480 Modoc N end Jess Valley 1616 Comment
  UC4304  Iris missouriensis Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  UCD138700  Iris missouriensis Malcolm A. Nobs; S. Galen Smith 1949-5-29 770 Modoc one mile east of Lake City. Comment
  CAS-BOT-BC58403  Isatis tinctoria K. Paulson; Robert Paulson 1989-7-14 180 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 2171 Comment
  CAS-BOT-BC58405  Isatis tinctoria Thomas C. Fuller 1963-7-16 10913 Modoc E side of Fandango Pass Rd., 1.8 mi. E of Hwy 395 to Willow Ranch. Comment
  JEPS89838  Isoetes bolanderi Dean W. Taylor 1992-5-8 12571 Modoc ca. 1.5 air mi. s. of Oregon State Line Pine Creek Canyon; Warner Mts., Pine Creek Canyon 1554 Comment
  RSA639341  Isoetes bolanderi L. C. Wheeler 1935-8-14 3857 Modoc Cave Lake, Pine Creek, Warner Mtns. (Mt Diablo Mer.) 2073 Comment
  RSA639347  Isoetes howellii L. C. Wheeler 1935-8-5 3785 Modoc Brandy, E fork Bidwell Creek. (Mt Diablo mer.) 2409 Comment
  SEINET6164863  Isoetes howellii L. C. Wheeler 1935-8-3 3757 Modoc Warner Mtns; Rock Lake, Pine Creek 1920 Comment
  CHSC117044  Isoetes nuttallii Lowell Ahart; John Dittes 2016-6-6 20972 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CDA34549  Iva axillaris subsp. robustior L. 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. Comment
  JEPS86282  Ivesia baileyi var. beneolens Dean Wm. Taylor with Glenn Clifton 1990-6-25 11164 Modoc Cedar Pass Warner Mountains, Davis Creek 15' U.S.G.S. topographic map (n slopes of Peak 7298) 2148 Comment
  RSA537662  Ivesia baileyi var. beneolens D. W. Taylor 1990-6-25 11164 Modoc Cedar Pass, northerly slopes of Peak 7298. 2149 Comment
  JEPS47196  Ivesia gordonii Frances D. Payne 1931-6-29 302 C Modoc e slope Mt. Warren; Warner Mountains 2286 Comment
  HSC18689  Ivesia gordonii var. ursinorum M. T. Milligan 1965-7-10 431 Modoc W slopes of Eagle Peak 2591 Comment
  RSA0113961  Juncus bufonius var. bufonius Lowell A. Ahart, John Dittes 2013-7-24 18929 Modoc About 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilor Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big valley. 1263 Comment
  RSA577909  Juncus bufonius var. bufonius L. C. Wheeler 1935-8-1 3738 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  CAS-BOT-BC245071  Juncus bufonius var. occidentalis Louis Cutter Wheeler 1935-8-1 3738 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC245067  Juncus confusus Louis Cutter Wheeler 1935-9-23 4001 Modoc Pease Flat, Devil's Garden. 1524 Comment
  RSA577904  Juncus drummondii L. C. Wheeler 1935-8-10 3822 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  CHSC117259  Juncus ensifolius Lowell Ahart; John Dittes 2016-7-14 21206 Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-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
  CHSC83446  Juncus nevadensis Bill Maslach 2001-7-9 37 Modoc Surprise Valley Rd.; near California/Oregon State line; Twin Lakes, Modoc Co. Near ditch and meadow. 1300 Comment
  UC1142955  Juncus nevadensis A. L. Hormay 1941-6-23 35 Modoc Spaulding Reservoir Modoc National Forest Comment
  JEPS48237  Juniperus communis Frances D. Payne 1932-7-1 653 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin Comment
  CAS-BOT-BC81195  Juniperus occidentalis Elmer I. Applegate 1932-8-4 8145 Modoc Cherry Creek about 2 miles above Cantral Mill, western slope of Warner Mountains. Near the upper limits along the road Comment
  CAS-BOT-BC81197  Juniperus occidentalis John Thomas Howell 1934-6-16 12208 A Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC81205  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  CHSC115481  Juniperus occidentalis L. P. Janeway 2014-7-8 11469 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  CAS-BOT-BC81207  Juniperus occidentalis P. Monnet 1913-1 s.n. (or 893 B) Modoc Warner's Range 2133 Comment
  UC1044491  Juniperus osteosperma Mrs. B. N. Berry 1955-9-30 Modoc between Klamath Falls and Canby (s of Timber Mountain on highway); Modoc National Forest 1341 Comment
  CAS-BOT-BC95669  Kalmia polifolia Leland S. Smith 1917-9-16 159 Modoc Lassen Creek. 2133 Comment
  CAS-BOT-BC225086  Kelloggia galioides Annie Montague Alexander; L. Kellogg 1946-7-23 5039 Modoc E slope of Emerson Peak. Comment
  CAS-BOT-BC225099  Kelloggia galioides K. Paulson 1978-6-24 s.n. Modoc Egg Lake. Comment
  HSC19852  Kelloggia galioides M. T. Milligan 1965-6-30 388 Modoc Slopes and ridges E of Jess Valley 1738 Comment
  UC748482  Kelloggia galioides Annie M. Alexander and Louise Kellogg 1946-7-23 5039 Modoc e slope Emerson Peak; Warner Mountains Comment
  CAS-BOT-BC95541  Kochia americana Bruce Bartholomew 1993-6-13 6614 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  CHSC69491  Koeleria macrantha James D. Jokerst 1987-5-13 2871 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  HSC10242  Koeleria macrantha R. C. Wunner 1965-6-26 280 Modoc Lava Beds National Monument, Blue Eyes Point. 1341 Comment
  HSC10667  Koeleria macrantha M. T. Milligan 1964-6-20 59 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  UC60745  Koeleria macrantha M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UCD86089  Koeleria macrantha L. D. Whitney 1935-7-2 s.n. Modoc Badger Wells. Comment
  UC76026  Kyhosia bolanderi Milo S. Baker Modoc Forestdale Comment
  UC1191979  Lactuca tatarica subsp. pulchella Verne Grant and Irving Schneider 1947-7-18 8051 Modoc s Alturas Comment
  RSA152634  Lagophylla ramosissima I. L. Wiggins, Dorothy Wiggins 1961-6-12 16375 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  POM72855  Lappula occidentalis var. occidentalis Mrs. R. M. Austin 1895-07 541 Modoc Goose Lake Valley. Comment
  RSA534600  Lasthenia glaberrima Bruce Bartholomew, B. Anderson 1990-7-19 5408 Modoc Turner Creek at County Road 90, N end of Big Valley. 6.4 km N of Lassen County border 1230 Comment
  CAS-BOT-BC181979  Lathyrus brownii Bruce Bartholomew; Barrett Anderson 1988-5-12 4123 Modoc SE side of Egg Lake, ca. 1 km E of the Burlington Northern railroad track. 1290 Comment
  UC15399  Lathyrus brownii Milo S. Baker 1893-6 Modoc Comment
  NY716853  Lathyrus rigidus W. Larkin 04 1920 s.n. Modoc Goose Lake Valley Comment
  UC15320  Lathyrus rigidus Mrs. R. M. Austin and Bruce May 1898 2216 Modoc Goose Lake Valley Comment
  POM229192  Ledum glandulosum L. C. Wheeler 1935-8-4 3777 Modoc Pine Creek, Warner Mts. 2210 Comment
  UC105922  Ledum glandulosum Mrs. R. M. Austin 145 Modoc Lassen Creek Comment
  CAS-BOT-BC245028  Lemna Bruce Bartholomew; Barrett Anderson 1989-6-2 4793 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  JEPS408  Lemna trisulca W. L. Jepson 1918-8-10 7929 Modoc Alturas 1371 Comment
  CAS-BOT-BC58456  Lepidium campestre Bruce Bartholomew 1995-6-1 6925 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 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
  JEPS53760  Lepidium densiflorum var. pubicarpum Milo S. Baker 1898-1 Modoc Forestdale Comment
  CAS-BOT-BC58344  Lepidium dictyotum var. dictyotum Bruce Bartholomew 1995-5-13 6904 Modoc E of Eagleville near Eagleville Airport, S end of Surprize Valley. 1390 Comment
  SEINET5341382  Lepidium latifolium M. J. Williams 1984-7-1 84- 89 -1 Modoc NW of Alturas, N of Hwy 299, Crowder Flat road. 1372 Comment
  CAS-BOT-BC58346  Lepidium montanum subsp. canescens John Thomas Howell 1934-6-15 12182 Modoc Alturas. Comment
  CAS-BOT-BC190631  Leptodactylon pungens Alice Eastwood; John Thomas Howell 1940-6-12 8048 Modoc Between Likely and Jess Valley. Comment
  SJSU8681  Leptosiphon septentrionalis W. Savage 1979-7-3 1290 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC2043248  Leucanthemum vulgare Barbara Ertter 1995-7-1 14464 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  UC13773  Leucocrinum montanum Milo S. Baker c. 1893 Modoc Modoc or Lassen County Comment
  POM299553  Leucophysalis nana Marion Ownbey, Fred G. Meyer 1940-7-1 2132 Modoc Near Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC197456  Lewisia nevadensis Bruce Bartholomew 1994-7-2 6804 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  CAS-BOT-BC197462  Lewisia nevadensis Elmer Ivan Applegate 1932-8-1 8024 Modoc Summit of Warner Mts. just S of Warren Peak. Comment
  CAS-BOT-BC248369  Lewisia nevadensis B. Bartholomew; H. Sun 2002-6-24 8858 Modoc Headwaters of Davis Creek, W side of the Warner Mountains 2160 Comment
  HSC26493  Lewisia nevadensis J. P. Smith, J. O. Sawyer 1972-5-6 5262 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  SBBG1937  Lewisia nevadensis H. and M. Dearing 1939-6-9 3615 Modoc Warner Mtns near Cedarville [near Squaw Peak?] 2133 Comment
  UC7807  Lewisia nevadensis Mrs. R. M. Austin and Bruce June 1898 2149 Modoc Benton Meadows Comment
  RSA464466  Lewisia nevadensis George Willet 1935-6-21 s.n. Modoc Modoc County: Warren Mtns. 2439 Comment
  CAS-BOT-BC197497  Lewisia rediviva M. M. Hanna June 4 982 Modoc Cedar Pass Comment
  CAS-BOT-BC197485  Lewisia rediviva Leland S. Smith 1917-6-5 25 Modoc So. Fork Pitt River Canyon. Sec. 26. 1676 Comment
  NY497586  Lewisia rediviva K. Paulson 1988-5-22 4 Modoc Eagle Swamp Road, Devil's Garden 1402.1 Comment
  CAS-BOT-BC197483  Lewisia triphylla Bruce Bartholomew; Barrett Anderson 1990-7-20 5525 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC247635  Leymus cinereus Bruce Bartholomew 1991-6-22 5839 Modoc Surprise Valley, 5.6 km E of Eagleville. 1370 Comment
  CDA13474  Leymus cinereus G. F. Hrusa, T. D. Wilfred 1996-7-21 13321 Modoc Modoc Plateau; Dry formerly moist areas adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Robust perennial, 1.5 m tall, in small colonies. Comment
  JEPS127723  Leymus cinereus Alejandro Brambila, Michael Dolan 2016-8-24 CA 320 -178 Modoc Graves Reservoir Road Comment
  CAS-BOT-BC247633  Leymus triticoides Leland S. Smith 1920-7-4 1173 Modoc Alturas. 1310 Comment
  JEPS117172  Leymus triticoides Lowell Ahart, John Dittes 2010-8-31 17131 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS68582  Leymus triticoides Leland S. Smith 1917-7-23 893 Modoc Joseph Creek 1706 Comment
  POM201804  Leymus triticoides Frances D. Payne 782 Modoc Warner Mts. Comment
  UC1024976  Leymus triticoides Leo Whitney 1935-7-6 3422 Modoc Crank Springs Comment
  CAS-BOT-BC497458  Ligusticum grayi B. Bartholomew 1990-8-4 5627 Modoc Slope on N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2520 Comment
  CAS-BOT-BC242072  Lilium pardalinum subsp. shastense Bruce Bartholomew 1989-7-14 4933 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  POM229194  Limosella aquatica Louis C. Wheeler 1935-9-1 3934 Modoc Pine Spring, Devil's Garden. 1524 Comment
  CAS-BOT-BC190628  Linanthus bolanderi Fred D. Douthitt 1916-5-11 17 Modoc Juniper Flats-West Valley. 1676 Comment
  CAS-BOT-BC198032  Linanthus harknessii Robert Patterson; Mona Bourell 1993-8-15 5242 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC198046  Linanthus harknessii M. Vasey 1990-6-30 9037 Modoc 0.2 mi from Junction of Lava Camp Road and road to Egg Lake. 1300 Comment
  UC23622  Linanthus harknessii Milo S. Baker 1893-7-8 Modoc Comment
  JEPS103192  Linanthus nuttallii subsp. nuttallii G. Schoolcraft 2000-7-17 2916 Modoc N Warner Mountains East of Poison Lake 2225 Comment
  RSA59596  Linanthus pungens subsp. hookeri Verne Grant, Alva Grant 1950-7-14 8945 Modoc North flank of Cedarr Peak near summit, Warner Mountains 2195 Comment
  CAS-BOT-BC229896  Linaria dalmatica Thomas C. Fuller 1962-8-29 9485 Modoc Near Sugar Hill planting, Lassen Creek. 11 mi. S of New Pine Creek. Comment
  CDA6356  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-7-16 10908 Modoc Lassen Creek, Sugar Hill Planting, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CDA6357  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-8-27 11169 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CDA6363  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-8-29 9485 Modoc Near Sugar Hill Planting, Lassen Creek, 11 miles south of New Pine Creek. 0 Comment
  CAS-BOT-BC242225  Listera convallarioides Bruce Bartholomew 1994-7-3 6841 Modoc Field redacted by CAS, contact the data manager for more information 1780 Comment
  CHSC42158  Lithophragma glabrum C. E. Laver 1986-3-26 Modoc Ca. 22.5 mi ne of Alturas and 1 mi sw of Thoms Creek. 1524 Comment
  UC114984  Lithophragma glabrum Mrs. R. M. Austin May 1884 88 Modoc Goose Lake Valley Comment
  JEPS5957  Lithophragma glabrum Frances D. Payne 1932-4-22 387 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC225831  Lithophragma parviflorum Bruce Bartholomew 1993-6-12 6594 Modoc Top of ridge directly above Day Rock. 1380 Comment
  UC14490  Lithophragma parviflorum Milo S. Baker 1893-7-18 Modoc Comment
  CAS-BOT-BC225840  Lithophragma tenellum Bruce Bartholomew 1991-6-20 5792 A Modoc Fox Mountain Spring, ca. 10 km NW of Adin. 1620 Comment
  CAS-BOT-BC54032  Lithospermum ruderale E. S. Willits 1940-5-4 210 Modoc Willow Ranch. 1371 Comment
  CAS-BOT-BC54074  Lithospermum ruderale John Thomas Howell 1934-6-11 11962 Modoc Parker Creek, Warner Mountains 1584 Comment
  CHSC68564  Lithospermum ruderale Vernon H. Oswald; Beth Corbin, Gary Schoolcraft 1997-5-17 8462 Modoc Old Emigrant Trail on the north side of the Pit River south of Canby Bridge. 1295 Comment
  UCR267418  Lithospermum ruderale Jim Andre, Glenn L. Clifton 1993-6-12 29990 Modoc Warner Mountains, c. 1 mi west of Cedarville, along Cedar creek and Hwy 299, Modoc National Forest 1480 Comment
  HSC80939  Lithospermum ruderale G. M. Riegel 1980-7-27 935 Modoc S Warner Mtns. 1739 Comment
  RSA59535  Lithospermum ruderale E. K. Balls 1950-5-20 14804 Modoc 1.2 miles below Mill Creek Falls Public Camp, towards Jess Valley Comment
  CAS-BOT-BC497331  Lomatium bicolor var. leptocarpum G. Schoolcraft 1998-5-19 2708 Modoc 1/2 mi E of Hwy 395 on Hwy 299, E. Alturas 1386 Comment
  RSA452581  Lomatium bicolor var. leptocarpum L. C. Wheeler 1935-9-12 3982 Modoc Devils Garden: 2 miles SW Poindexter Reservoir. 1524 Comment
  CAS-BOT-BC30167  Lomatium dissectum var. multifidum John H. Hatton 1911-6-13 69 Modoc Rush Creek. 1371 Comment
  CAS-BOT-BC30173  Lomatium dissectum var. multifidum Bruce Bartholomew; Mona Bourell 1990-4-26 5164 Modoc Vicinity of Ostrom Point, N side of Pit River, 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  CAS-BOT-BC30175  Lomatium foeniculaceum subsp. macdougalii Bruce Bartholomew 1995-6-2 6941 Modoc 3.5 km NE of County Road 38 on County Road 37, SE side of Surprize Valley. 1390 Comment
  CAS-BOT-BC30146  Lomatium macrocarpum Isabel T. Kelly 1930-1-1 21 Modoc Cowhead Lake. Comment
  CHSC117772  Lomatium macrocarpum L. P. Janeway 2016-5-19 12095 Modoc Modoc Plateau. Devils Garden area; along Crowder Flat Road (Road 73/48N08) 1.8 road-km south of Road 73/181/47N09; about 1.8 air-km south-southeast of Janes Reservoir. 1548 Comment
  UCR163906  Lomatium macrocarpum Jim Andre 1993-6-30 1401 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC30144  Lomatium macrocarpum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5998 Modoc W of Alturas. 1325 Comment
  POM78482  Lomatium macrocarpum Mrs. R. M. Austin 1895-08 432 Modoc Goose Lake Comment
  RSA125347  Lomatium nevadense P. H. Raven, Otto T. Solbrig 1958-6-18 13311 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  UC1616070  Lomatium nevadense var. nevadense S. Saufferer 1973-5-5 132 Modoc ca. 7 1/2 mi. s. Pine Creek (along Hwy. #395) Comment
  UC1736609  Lomatium nevadense var. nevadense Dean Wm. Taylor with Glenn L. Clifton 1990-6-25 11168 Modoc Cedar Pass, growing on steep cliffs of volcanic breccia, northerly slopes of Peak 7298 2148 Comment
  UC71557  Lomatium nevadense var. parishii Mrs. M. H. Manning 1903-4 57 Modoc n.e. Modoc Co. 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
  JEPS17530  Lomatium nudicaule L. S. Smith 1917-5-28 Modoc Jess Valley Comment
  CAS-BOT-BC15727  Lomatium piperi James Vale 1981-5-22 s.n. Modoc Stowe Lake area, Warner Mountains Comment
  JEPS5964  Lomatium triternatum var. macrocarpum Frances D. Payne 1931-6-18 197 Modoc S and E of Alturas (Parker Creek); Warner Mountains 1584 Comment
  SD264744  Lomatium triternatum var. macrocarpum Tracey Call, Viola Call 1964-6-23 2281 Modoc 1 miles south of Perez. 914 Comment
  CAS-BOT-BC21405  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-12 11998 Modoc 6 mi. S of Davis Creek. Comment
  CAS-BOT-BC21407  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-30 12253 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC21421  Lomatium triternatum var. triternatum Bruce Bartholomew; Barrett Anderson 1989-6-3 4884 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  JEPS5996  Lomatium vaginatum Frances D. Payne 1932-6-10 627 Modoc s. & e. Alutras (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  RSA248724  Lomatium vaginatum Christopher Davidson 1973-5-26 2124 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA452600  Lomatium vaginatum Christopher Davidson 1975-6-4 2601 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  RSA149057  Lomatium vaginatum I. L. Wiggins, Dorothy Wiggins 1961-6-13 16473 Modoc Roadside 2.4 mi. S of village of Davis Creek, SE side of Goose Lake. Comment
  RSA152173  Lomatium vaginatum Lincoln Constance, Elwood Molseed, John Weiler 1960-6-13 3679 Modoc East side of Goose Lake, 9 miles north of Davis Creek 1372 Comment
  HSC80929  Lonicera involucrata var. involucrata G. M. Riegel 1980-8-20 990 Modoc S Warner Mtns. 2100 Comment
  CHSC116081  Lotus corniculatus Lowell Ahart; John Dittes 2015-7-16 20379 Modoc North edge of Ash Creek (destroyed) southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS118255  Lotus denticulatus Lowell Ahart, John Dittes 2011-6-22 17545 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  NY716009  Lotus purshianus B. M. Bartholomew 1988-7-22 4485 Modoc Vicinity of East Creek Trailhead, southern end of the Warner Mountains 2210 Comment
  CAS-BOT-BC181939  Lotus purshianus var. purshianus Bruce Bartholomew 1991-7-4 5897 Modoc S end of Higgins Flat. 1370 Comment
  CHSC106331  Lotus purshianus var. purshianus Lowell Ahart; John Dittes 2010-8-30 17068 Modoc About 5 yards east of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA210839  Lotus unifoliolatus Robert F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39066 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  RSA534615  Lupinus Bruce Bartholomew, B. Anderson 1989-6-3 4914 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  CAS-BOT-BC181903  Lupinus arbustus Annie Montague Alexander; L. Kellogg 1946-7-22 5038 Modoc Bear Camp Flat, Warner Mts. 2286 Comment
  CAS-BOT-BC181905  Lupinus arbustus Leland S. Smith 1924-6-20 1418 Modoc Lavas near Lava Ranger Station. 1310 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
  POM275211  Lupinus arbustus subsp. calcaratus Louise Kellogg, A. M. Alexander 1946-7-17 5004 Modoc Benton Meadow, Warner Mountains. 2073 Comment
  SEINET10484626  Lupinus arbustus subsp. calcaratus Jeffrey Huber 1971-6-3 Huber 85 Modoc 5 miles s of canby on cal hwy 299, lupinus heavliy carpeting hillsides of large Basalitic boulders, sparse juniper, artemisia, purshia, poa assoc. 1280 Comment
  RSA414447  Lupinus arbustus subsp. silvicola Christopher Davidson 1973-5-26 2133 Modoc Ca. 4 miles west of Canby on highway 299. 1341 Comment
  CAS-BOT-BC182196  Lupinus argenteus John Thomas Howell 1934-6-13 12088 Modoc Surprise Valley, 3.5 mi. S of Lake City. Comment
  CAS-BOT-BC182221  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  UC865118  Lupinus argenteus Lewis S. Rose 1940-6-14 40564 Modoc Kelly Hot Springs 1341 Comment
  NY736760  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas 1524 Comment
  POM299303  Lupinus argenteus var. argenteus H. C. Cantelow 1940-5-31 s.n. Modoc 18 miles west of Canby. Comment
  SBBG3540  Lupinus argenteus var. argenteus H. and M. Dearing 1939-6-7 3575 Modoc E of Adin Comment
  CAS-BOT-BC182087  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47455 Modoc Highway 395, Davis Creek (town), 6.4 mi. S. Comment
  CAS-BOT-BC182093  Lupinus argenteus var. heteranthus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16461 Modoc 3 mi. W of Summit of Fandango Pass. Comment
  CAS-BOT-BC182095  Lupinus argenteus var. heteranthus Bruce Bartholomew 1990-6-17 5298 Modoc Along Emerson Creek, 3.9 km SW of County Rd 1, E side of Warner Mts. 1700 Comment
  CAS-BOT-BC182106  Lupinus argenteus var. heteranthus Annie Montague Alexander; L. Kellogg 1946-7-23 5052 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC182112  Lupinus argenteus var. heteranthus R. M. Austin 1898-7-1 2147 Modoc Lake shore. 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
  CAS-BOT-BC182079  Lupinus argenteus var. heteranthus R. M. Austin 1884-8-1 219 Modoc Hills. Comment
  UCR102425  Lupinus argenteus var. palmeri G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mtns., Warner Mountains, Bidwell Mountain, c. 3 mi. south of Oregon border in extreme NE corner of state Comment
  UC15937  Lupinus bicolor Milo S. Baker 1893-8-1 Modoc Comment
  POM23636  Lupinus caudatus R. M. Austin 1895-07 410 Modoc Goose Lake Valley. Comment
  POM215170  Lupinus johannis-howellii A. H. Rodda 1932-7-1 s.n. Modoc Near Macarthur. 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
  NY747140  Lupinus latifolius var. barbatus B. Anderson 1986-7-9 3169 Modoc Warner Mountains. Stough Reservoir Rd just east of Cedar Pass near Stough Reservoir 1965 Comment
  UC127014  Lupinus latifolius var. viridifolius Mrs. Austin and Mrs. Bruce July 1898 Modoc Fields Comment
  CAS-BOT-BC181873  Lupinus lepidus var. lobbii Elmer Ivan Applegate 1932-8-1 8051 Modoc Near summit of Warren Peak, Warner Mts. 2895 Comment
  CAS-BOT-BC181875  Lupinus lepidus var. lobbii Elmer Ivan Applegate 1932-8-1 8050 Modoc Near summit of Warren Peak, Warner Mts. 2895 Comment
  JEPS65314  Lupinus lepidus var. lobbii Milo S. Baker July, 1893 Modoc Comment
  CAS-BOT-BC181868  Lupinus lepidus var. sellulus John Thomas Howell 1934-7-1 12302 Modoc Duncan Horse Camp. 1355 Comment
  JEPS119667  Lupinus lepidus var. sellulus Lowell Ahart, John Dittes 2012-7-11 18343 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
  CAS-BOT-BC181853  Lupinus leucophyllus Bruce Bartholomew 1994-7-4 6849 Modoc Hubert Creek. 1390 Comment
  CAS-BOT-BC181855  Lupinus leucophyllus Bruce Bartholomew 1994-7-4 6846 Modoc Coffee Mill Gully. 1430 Comment
  SEINET194861  Lupinus microcarpus var. densiflorus A. A. Heller 1941-6-25 16206 Modoc West side of the grade leading up to Cedar Pass. Comment
  UC199285  Lupinus microcarpus var. densiflorus M. F. Gilman 562 Modoc Comment
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Jan 12 2007
  CAS-BOT-BC181833  Lupinus microcarpus var. microcarpus Alice Eastwood; John Thomas Howell 1940-6-11 8021 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC181835  Lupinus microcarpus var. microcarpus Bruce Bartholomew 1993-6-14 6664 Modoc 4 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC181848  Lupinus microcarpus var. microcarpus Mrs. H. C. Cantelow 1940-5-31 Modoc 3 mi. E of Canby. Comment
  UC1584000  Lupinus microcarpus var. microcarpus G. Schoolcraft 1990-6-6 2076 Modoc about 10 mi n Alturas (near Joseph Creek); n of Alturas near Joseph Creek 1447 Comment
  CAS-BOT-BC181827  Lupinus polyphyllus var. burkei L. A. M. Black 1894-8-1 69 Modoc Davis Creek. Comment
  NY747607  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1993-5-13 6530 Modoc Just west of Forest Service on Parker Creek Road between Alturas and Pepperdine 1520 Comment
  SEINET8061400  Lupinus polyphyllus var. saxosus M. J. Williams 1988-5-30 88- 22 -1 Modoc Crowder Flat road, NW of Alturas 1524 Comment
  CAS-BOT-BC181820  Lupinus saxosus Edward Kent Balls 1950-5-20 14805 Modoc 3.3 mi. above South Fork Public Camp, South Fork Pit River on way to Jess Valley. 1463 Comment
  HSC26005  Luzula comosa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19523 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 Comment
  UCR34809  Luzula subcongesta J. A. Harpel 1981-8-6 V 20 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CDA19943  Lycium barbarum D. Kratville 2002-6-19 PDR 1204560 Modoc Northern California; Center of Alturas on Hwy 395. 0 Comment
  NY850321  Lythrum tribracteatum H. L. Mason 1947-7-10 13324 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  RSA14503  Machaeranthera canescens var. shastensis Elmer I. Applegate 1923-3-17 3341 Modoc Dry Lake southeast of Tule Lake Comment
  CAS-BOT-BC49473  Madia citriodora Bruce Bartholomew 1991-7-6 5968 Modoc Service Gulch, 4.3 km W of County Road 91 on Forest Service road 42N03. 1330 Comment
  UC54067  Madia citriodora H. M. Hall and E. B. Babcock 1903-6-21 4248 Modoc lava beds of sw Modoc County; Sierra Nevada Mountains 1219 Comment
  JEPS6013  Madia citriodora Frances D. Payne 1932-6-22 582 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC33230  Madia exigua Mrs. R. M. Austin August, 1894 Modoc Sugar Loaf Hill Comment
  UC89361  Madia exigua Mrs. R. M. Austin July 1894 281 Modoc Davis Creek Comment
  CAS-BOT-BC49408  Madia glomerata R. M. Austin 1894-8-1 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC49444  Madia glomerata John Thomas Howell 1934-7-3 12375 Modoc 5 mi. S of Hackamore. Comment
  CAS-BOT-BC49446  Madia glomerata Louis Cutter Wheeler 1935-8-27 3923 Modoc 1 mi. E of South Mountain, Devil's Garden. 1524 Comment
  POM203072  Madia glomerata J. T. Howell 1934-7-3 12375 Modoc 5 miles S of Hackamore Comment
  CAS-BOT-BC49378  Madia gracilis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 103 Modoc Parker Creek. Comment
  CAS-BOT-BC49413  Madia gracilis Bruce Bartholomew; Barrett Anderson 1988-7-21 4414 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC49415  Madia gracilis Annie Montague Alexander; L. Kellogg 1946-7-10 4956 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  JEPS5969  Madia gracilis Frances D. Payne 1935-8-25 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA540063  Madia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1990-7-20 5465 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  NY500374  Mahonia repens B. M. Bartholomew 1989-6-1 4773 Modoc South Fork Davis Creek in the vicinity of the Plum Valley campground 1720 Comment
  POM228992  Mahonia repens L. C. Wheeler 1935-8-14 3838 Modoc Pine Creek. Warner Mtns. 2011 Comment
  RSA59361  Mahonia repens E. K. Balls 1950-5-11 14633 Modoc 0.3 mile below (east of) crest of Fandango Pass. (From Ft. Bidwell-Lake City Rd., to Bucks Creek ranger Station on Hwy 395) 1860 Comment
  HSC15983  Malva neglecta M. T. Milligan 1965-7-11 446 Modoc N end of Jess Valley 1616 Comment
  RSA152606  Malva neglecta I. L. Wiggins, Dorothy Wiggins 1961-6-12 16402 Modoc Shoulders of road along Thomas as Creek, 6.1 miles E. of California State Highwayt 299, along Cedar Pass Road, Modoc County. Comment
  UC748041  Marrubium vulgare Annie M. Alexander and Louise Kellogg 1946-6-22 4812 Modoc upper edge Lake Annie; upper edge of Lake Annie 1524 Comment
  UC375183  Marsilea Milo S. Baker 1893-7-20 Modoc Big Valley 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
  CAS-BOT-BC497328  Marsilea vestita John Thomas Howell 1934-6-15 12194 Modoc Davis Reservoir, 2 mi E of Alturas Comment
  CHSC112096  Matricaria discoidea Lowell Ahart; John Dittes 2012-7-12 18353 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  UCD37472  Melica fugax Beecher Crampton 1960-6-17 5695 Modoc Modoc County, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station, McKay Flat. 1280 Comment
  UCD66806  Melica spectabilis August L. Hormay 1932-7-17 Modoc Lily Lake. Comment
  CAS-BOT-BC247572  Melica subulata Bruce Bartholomew; Barrett Anderson 1990-7-20 5495 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  RSA252483  Mentha canadensis Robert F. Thorne, C. W. Tilforth 1969-9-5 39184 Modoc Pine Creek where it is crossed by Hwy 395, 3.4 miles S of Alturas. 1341 Comment
  UC25384  Mentha canadensis Milo S. Baker 1893-7-25 Modoc Rocky Islands Egg Lake (Egg Lake); , Egg Lake Comment
  UCD125038  Mentha canadensis Verne Grant; Irving Schneider 1947-7-18 8050 Modoc Eastside canal five miles north of Bayley's Bridge, south of Alturas. Comment
  UC1037298  Mentzelia albicaulis Leo Whitney 1934-5-12 1641 Modoc Devil's Garden Modoc National Forest, northeast portion of country 1463 Comment
  POM126628  Mentzelia albicaulis M. French Gilman 567 Modoc Dry slopes. 1677 Comment
  POM84014  Mentzelia albicaulis R. M. Austin s.n. Modoc Goose Lake Valley. Comment
  SEINET208167  Mentzelia dispersa C. L. Hitchcock 1940-5-27 6690 Modoc 15 miles northeast of Alturas. 1615 Comment
  UC718796  Mentzelia dispersa B. J. Hammerly 1941-6-20 39 Modoc Between Mill Creekk Public Camp and Clear lake (On dry south slope) Comment
  UC748259  Mentzelia dispersa Annie M. Alexander and Louise Kellogg 1946-7-7 4946 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  RSA503038  Mentzelia dispersa Bruce Bartholomew, B. Anderson 1988-6-24 4360 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 Comment
  RSA518559  Mentzelia laevicaulis George K. Helmkamp 1990-9-23 H- 6 Modoc US Hwy 395, 13 mi. N of Likely. 1341 Comment
  CAS-BOT-BC170843  Mentzelia veatchiana Ira L. Wiggins; Dorothy B. Wiggins 1961-6-12 16439 Modoc Sunny hillsdie 4 mi. E of summit of Cedar pass, along Cedar Pass Road Comment
  CAS-BOT-BC191145  Menyanthes trifoliata Francis Dorris Payne 1929-7-26 121 Modoc Pine Creek Basin. 2133 Comment
  CHSC26598  Menyanthes trifoliata L. Mayer 1974-1-1 Modoc Comment
  JEPS20795  Menyanthes trifoliata Frances D. Payne 1929-7-26 121 Modoc 2 mi sw of Mount Warren (Pine Creek Basin, southeastern Modoc County); Pine Creek Basin 2133 Comment
  CAS-BOT-BC54043  Mertensia ciliata K. Paulson; Robert Paulson 1989-7-14 182 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  CAS-BOT-BC54045  Mertensia ciliata Bruce Bartholomew; Barrett Anderson 1988-6-24 4301 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-BC54047  Mertensia cusickii Bruce Bartholomew 1994-5-28 6717 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  HSC28522  Mertensia oblongifolia D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19323 Modoc Soup Springs Campground Comment
  POM72712  Mertensia oblongifolia Mrs. R. M. Austin 1895-07 511 Modoc Goose Lake Valley. Comment
  UC1560375  Mertensia oblongifolia E. Joyal and D. Mehlman 1988-6-28 1293 Modoc Near Warner Mts., ridge road Comment
  JEPS6028  Mertensia oblongifolia var. amoena Frances D. Payne 1931-6-21 224 Modoc Ridge west of Dry Creek, northern tributary of Parker Creek, Warner Mountains, south and east of Alturas. 1981 Comment
  CAS-BOT-BC54022  Mertensia oblongifolia var. oblongifolia Belknap C. Goldsmith 1913-5-13 97 Modoc W side of Warner Mts. 1584 Comment
  CHSC85104  Microseris laciniata subsp. laciniata John Dittes; Josephine Guardino 1991-7-21 410 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-BC49354  Microseris nutans Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16408 Modoc 3 mi. E of Thoms Creek bridge, near Cedar Pass campground. Comment
  CAS-BOT-BC49356  Microseris nutans Annie Montague Alexander; L. Kellogg 1946-7-17 5003 Modoc Benton Meadow, Warner Mountains 2072 Comment
  HSC81137  Microseris nutans G. M. Riegel 1979-7-2 462 Modoc South Warner Mtns. 2100 Comment
  JEPS5950  Microseris nutans Frances D. Payne 1931-6-29 289 Modoc e slope Warren Peak (head of Cottonwood Creek); Warner Mountains, , e slope of Warre 2286 Comment
  JEPS6026  Microseris nutans Frances D. Payne 1932-6-22 573 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC197896  Microsteris gracilis C. C. (Mrs.) Bruce 1894-4-1 104 Modoc Davis Creek. Comment
  CAS-BOT-BC197907  Microsteris gracilis Bruce Bartholomew 1990-6-16 5253 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2130 Comment
  CAS-BOT-BC197911  Microsteris gracilis Bruce Bartholomew 1995-6-24 7028 Modoc Vicinity of old town site of Tionesta on Forest Service Road 44N17. 1430 Comment
  CHSC85099  Microsteris gracilis John Dittes; Josephine Guardino 1991-6-1 377 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
  HSC17126  Microsteris gracilis M. T. Milligan 1964-3-29 Modoc 5 mi. W of Alturas on Centerville Rd. 1372 Comment
  UCD118921  Microsteris gracilis R. N. Raynor; E. Berry 1940-4-12 s.n. Modoc Cemetery, Alturas. Comment
  JEPS3164  Mimulus breviflorus Frances Payne 1935-7-19 785 Modoc about 12 air mi due e Alturas (at confluence of Dry and Parker Creeks); Warner Mountains Comment
  RSA185361B  Mimulus breweri Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  RSA535421  Mimulus cusickii David M. Thompson 1988-7-23 975 Modoc E side Warner Mountains, 3.7 miles S of Hwy 299 (at Cedarville) along Surprise Valley Road, then 1.5miles W along Granger Canyon Road. 1500 Comment
  JEPS124365  Mimulus guttatus Lowell Ahart, John Dittes 2015-7-16 20363 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC1191909  Mimulus guttatus Herbert L. Mason, Verne Grant 1947-7-12 13391 Modoc several mi s Alturas (irrigation ditch by Jones' Lane, off Highway 395) Comment
  UC76061  Mimulus moschatus Milo S. Baker July, 1898 545 Modoc Forestdale Comment
  CAS-BOT-BC234453  Mimulus nanus Bruce Bartholomew 1991-6-20 5787 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  HSC26012  Mimulus nanus var. nanus D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19372 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC1063559  Mimulus nanus var. nanus R. C. Wilson 1933-6-11 44 Modoc Rush Creek Camp Modoc National Forest, Alturas Quadrangle Comment
  UCR72552  Mimulus nanus var. nanus D. M. Thompson 1988-6-2 925 Modoc c. 6.8 mi NW of Canby. ).1 mi SE of turnoff for Howard's Gulch Campground along Hwy 139 1500 Comment
  HSC20792  Mimulus primuloides var. primuloides M. T. Milligan 1964-7-25 165 Modoc Pine Creek Basin, along trail. 2439 Comment
  UC445162  Mimulus tricolor M. S. Baker and Franklin P. Nutting 1894-6-7 Modoc near Egg Lake Comment
  CAS-BOT-BC95213  Minuartia nuttallii Clare Butterworth Hardham 1961-6-20 7886 Modoc Bidwell Road to Dismal Creek. 2438 Comment
  CAS-BOT-BC95215  Minuartia nuttallii Elmer Ivan Applegate 1932-8-3 8126 Modoc Arid rocky summit of Eagle Peak, Warner Mts. Comment
  RSA17676  Minuartia nuttallii subsp. fragilis Elmer I. Applegate 1932-8-1 8018 Modoc West slope of Warner Mountains, south of Warren Peak. Comment
  CAS-BOT-BC179366  Monardella odoratissima subsp. glauca Alice Eastwood; John Thomas Howell 1940-6-13 8175 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC179858  Monardella odoratissima subsp. glauca Robert Patterson; Mona Bourell 1993-8-15 5249 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC222026  Monardella odoratissima subsp. glauca Marion Ownbey; Fred G. Meyer 1940-7-1 2150 Modoc Cedar Peak, Warner Mts. Comment
  UC705933  Monardella odoratissima subsp. glauca Marion Ownbey, Fred G. Meyer 1940-7-1 2150 Modoc Cedar Peak Warner Mts. Comment
  CDA33296  Monardella odoratissima subsp. odoratissima Jim Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument; summit and upper west-facing slope of Caldwell Minor near Eastern edge of monument boundary. Comment
  NY539897  Monolepis nuttalliana B. M. Bartholomew 1995-6-2 6935 Modoc 6.4 km east of Eagleville, south end of Surprise Valley 1380 Comment
  HSC17742  Montia chamissoi M. T. Milligan 1967-7-9 670 Modoc E of Jess Valley 1768 Comment
  CHSC117849  Montia dichotoma L. P. Janeway 2016-5-16 11997 B Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Applegate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  CAS-BOT-BC197509  Montia fontana Alice Eastwood; John Thomas Howell 1940-6-13 8194 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC197514  Montia fontana Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10528 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  SEINET3026081  Montia fontana C. L. Hitchcock 1940-5-27 6697 Modoc 12 miles northeast of Alturas. 1620 Comment
  NY497755  Montia fontana var. tenerrima C. L. Hitchcock 1940-5-27 6697 Modoc 12 miles northeast of Alturas 1615.4 Comment
  CAS-BOT-BC197548  Montia linearis Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6431 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  UC71834  Montia linearis Mrs. M. H. Manning 1903-5-1 99 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  UC72570  Montia linearis Milo S. Baker 1893-1 Modoc Forestdale Comment
  SBBG117349  Muhlenbergia asperifolia B. Crampton 1954-7-8 2187 Modoc ca. 1.5 mi W of Alturas, extension of 4th St Comment
  SEINET7297159 Image available Muhlenbergia asperifolia Leo Whitney 1935-1 3540 Modoc Lake Joaquin, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  CAS-BOT-BC247566  Muhlenbergia filiformis Bruce Bartholomew 1992-8-9 6394 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mountains. 2500 Comment
  JEPS121233  Muhlenbergia richardsonis Lowell Ahart, John Dittes 2013-7-24 18912 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  RSA0039529  Muhlenbergia richardsonis Lowell A. Ahart, John Dittes 2012-7-10 18325 Modoc Along the south side of the drainage, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  SEINET182275 Image available Muhlenbergia richardsonis L. C. Wheeler 1935-8-21 3901 Modoc Pine Springs Devils Garden 1524 Comment
  SEINET4343716 Image available Muhlenbergia richardsonis Unknown 1988-6-18 7609 Modoc West side of Hwy 139 just south of where it crosses railroad at junction to Clear Lake, NE of Dry Lake east of Lava Beds National Monument 1250 Comment
  POM313204  Muhlenbergia richardsonis H. L. Mason 1947-8-8 13467 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas Comment
  HSC100176  Munroa squarrosa J. P. Smith 2011-8-7 13357 Modoc Along Jesse Valley Road, E of Likely, just E of the bridge over the Pit River. 1372 Comment
  HSC75580  Myosotis laxa G. M. Riegel 1980-7-1 792 Modoc S Warner Mtns. 2100 Comment
  UC962317  Nama densa var. parviflora Milo S. Baker 1936-6-14 8308 Modoc several mi n of Quarantine Station (sink along Hiwy Malin to Canby); along Hiwy Malin to Canby Comment
  NY1082388  Nama densum B. M. Bartholomew 1989-6-2 4817 Modoc Sand dunes at the southeast corner of Upper Alkali Lake, east side of Surprise Valley 1400 Comment
  CHSC67118  Navarretia James D. Jokerst 1987-6-24 2937 Modoc NE of Doublehead Mtn. along the edges of road to Red Lake. Comment
  CAS-BOT-BC198017  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc W side of Cedar Pass, Warner Mts. 1889 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
  RSA601529  Navarretia breweri L. C. Wheeler 1935-8-16 3869 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer. 2226 Comment
  UC1025106  Navarretia breweri Leo Whitney 1934-5-18 1925 Modoc Ingall's Swamp, ne portion of Modoc Co. Modoc National Forest, Devil's Garden 1524 Comment
  CAS-BOT-BC198001  Navarretia divaricata subsp. divaricata Alice Eastwood; John Thomas Howell 1940-6-14 8218 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC197997  Navarretia divaricata subsp. vividior Bruce Bartholomew; Barrett Anderson 1988-6-25 4396 Modoc Ryan Canyon, N of Adin. 1390 Comment
  SEINET4673744  Navarretia divaricata subsp. vividior Leigh A. Johnson, Haley M. Smith 2011-6-25 11 -064 Modoc Vicinity of mile marker 9.37 off of Hwy 299, near Roney Flat and Johnson Creek roads. 1428 Comment
  SEINET4673745  Navarretia intertexta Leigh A. Johnson, Haley M. Smith 2011-6-25 11 -066 Modoc Vicinity of mile marker 9.37 off of Hwy 299, near Roney Flat and Johnson Creek roads. 1428 Comment
  UC1540173  Navarretia intertexta Dean W. Taylor 1987-8-9 9287 Modoc Clear Lake Reservoir, on shore 100 meters W of dam Northeastern California 1371 Comment
  CAS-BOT-BC197990  Navarretia intertexta subsp. intertexta Barrett Anderson 1986-7-9 3133 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC197983  Navarretia intertexta subsp. propinqua Frank Warrington Peirson 1926-6-25 6868 Modoc Cedarville Pass, Warner Mts. Comment
  CAS-BOT-BC197985  Navarretia intertexta subsp. propinqua Bruce Bartholomew; Barrett Anderson 1989-6-3 4850 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca. 5.5 km S of Big Sage Reservoir. 1550 Comment
  POM261442  Navarretia intertexta subsp. propinqua Alice Eastwood, J. T. Howell 1940-6-13 8131 Modoc West side of Fandango Pass. Comment
  CHSC14171  Navarretia leptalea K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5823 Modoc W side of Egg Lake. 1295 Comment
  CAS-BOT-BC197962  Navarretia leucocephala subsp. minima Bruce Bartholomew 1989-7-14 4957 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CHSC34343  Navarretia leucocephala subsp. minima K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5845 Modoc Vernal pool on e side of railroad tracks, on n side of Whitehorse-Lookout Road. Comment
  CHSC34345  Navarretia leucocephala subsp. minima K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5822 Modoc W side of Egg Lake. 1295 Comment
  SEINET4673746  Navarretia propinqua Leigh A. Johnson, Haley M. Smith 2011-6-25 11 -067 Modoc Vicinity of mile marker 9.37 off of Hwy 299, near Roney Flat and Johnson Creek roads. 1428 Comment
  CAS-BOT-BC179310  Nemophila breviflora Annie Montague Alexander; L. Kellogg 1946-6-15 4775 Modoc Deep Creek. 2133 Comment
  HSC81075  Nemophila breviflora G. M. Riegel 1979-6-30 506 Modoc S Warner Mtns. 2100 Comment
  POM260426  Nemophila breviflora C. L. Hitchcock 1940-5-27 6661 Modoc 12 miles NE of Alturas. 1616 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
  UC449918  Nemophila parviflora var. austiniae Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell , 12 Mile Creek (12 Mile Creek) Comment
  JEPS4033  Nemophila pedunculata Frances D. Payne 1931-6-22 241 B Modoc s and e Alturas (Warner Mountains, Parker Creek, Dry Creek, tributary of); Warner Mountains, Parker Creek, s and e of Alturas 1828 Comment
  RSA76019  Nemophila pedunculata F. W. Peirson 1926-6-25 6896 Modoc Small side canyon 1 mile east of summit, Cedarville Road, Warner Mountains. 1829 Comment
  UC24288  Nemophila pedunculata Milo S. Baker Modoc Pine Creek Comment
  UC1234579  Nestotus stenophyllus Peter H. Raven 1962-5-29 17895 Modoc 14 miles northwest of Canby. Comment
  UC36566  Nestotus stenophyllus Mrs. C. C. Bruce Jun, 1898 2184 Modoc Hugh table land, Lake City Mt. Comment
  CAS-BOT-BC191143  Nuphar lutea subsp. polysepala Elmer Ivan Applegate 1929-7-29 6092 Modoc Pond at N end of Clear Lake. Comment
  NY998650  Oenothera deltoides var. piperi B. M. Bartholomew 1989-6-2 4836 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  CAS-BOT-BC190807  Oenothera elata subsp. hirsutissima L. A. M. Black 1894-8-1 58 Modoc Davis Creek. Comment
  POM257273  Oenothera elata subsp. hirsutissima F. H. Frost 1925-7-24 111 Modoc Jess Valley, Warner Mountains Comment
  POM38740  Oenothera elata subsp. hirsutissima R. M. Austin 1895-07 163 Modoc Davis Creek Comment
  UC20496  Oenothera elata subsp. hirsutissima Milo S. Baker 1893-8-1 Modoc Big Valley Comment
  CHSC85114  Oenothera flava subsp. flava John Dittes; Josephine Guardino 1991-7-21 425 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
  UC1191753  Oenothera villosa subsp. strigosa Verne Grant and Irving Schneider 1947-7-19 8074 Modoc in Southern Pacific right-of-way near East Canal (s of Alturas); Pit Valley, Williams ranch Comment
  CAS-BOT-BC245092  Olsynium douglasii var. douglasii Belknap C. Goldsmith 1913-5-13 95 Modoc W side of Warner Mts. near Willow Ranch. 1584 Comment
  JEPS64299  Olsynium douglasii var. douglasii B. M. Payne 1930-4-19 345 Modoc s and e Alturas; Warner Mountains, Parker Creek 1828 Comment
  CDA36035  Onopordum acanthium C. Pirosko Jul 2003 s.n. Modoc 0 Comment
  CDA7561  Onopordum acanthium T. C. Fuller 1958-7-9 900 -58 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  CAS-BOT-BC190792  Orobanche fasciculata Elmer Ivan Applegate 1897-6-1 3031 Modoc 9 mi. W of Alturas. Comment
  CAS-BOT-BC190784  Orobanche uniflora Bruce Bartholomew; L. E. Skog; M. Gilbert 1993-5-13 6536 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  RSA59720  Orobanche uniflora E. K. Balls 1950-5-18 14756 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UC35319  Orobanche uniflora subsp. occidentalis M. S. Baker and Frank Nutting 1894-6-8 Modoc Near Egg Lake. Comment
  UC105960  Orthilia secunda Mrs. R. M. Austin 1894-1 146 Modoc Lassen Creek Comment
  CHSC109450  Orthocarpus cuspidatus subsp. cryptanthus B. Castro; L. P. Janeway 2012-7-24 1954 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; ca 0.6 air mi S of Dismal Swamp, off upper edge of open lodgepole pine forest. 2377 Comment
  HSC80741  Orthocarpus cuspidatus subsp. cryptanthus G. M. Riegel 1980-6-30 781 Modoc S Warner Mtns. 1739 Comment
  JEPS62837  Orthocarpus cuspidatus subsp. cryptanthus John Weiler 1970-7-7 70222 Modoc on rocky slope at Cedar Pass; Warner Mountains, rocky slope at Cedar Pass 1920 Comment
  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
  SEINET13756734  Orthocarpus cuspidatus subsp. cryptanthus M. J. Williams 1983-7-29 83- 116 -7 Modoc Warner Mtns., 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass 2088 Comment
  RSA537508  Orthocarpus hispidus Barbara Ertter 1988-6-18 7623 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat'l Monument E of Tonesta. 1311 Comment
  JEPS4306  Orthocarpus luteus W. L. Jepson 1918-8-10 7933 Modoc Alturas 1371 Comment
  UCD149976  Orthocarpus luteus Harry George 1967-6-15 s.n. Modoc Whitehorse Flat Reservoir. Comment
  JEPS86369  Osmorhiza berteroi Jack and Betty Guggolz 1988-6-28 956 Modoc w Jenkins Spring Comment
  CAS-BOT-BC15737  Osmorhiza chilensis Bruce Bartholomew; Barrett Anderson 1988-6-24 4338 Modoc Cave Lake, W side of the Warner Mts.. 2130 Comment
  UCR34759  Oxyria digyna J. A. Harpel 1981-8-6 V- 43 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC50349  Packera cana Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5995 Modoc NW of Alturas. 1524 Comment
  POM36761  Packera pseudaurea var. pseudaurea Mrs. R. M. Austin 1895-07 558 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC190771  Paeonia brownii Bruce Bartholomew 1994-7-2 6815 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  HSC30080  Paeonia brownii D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19308 Modoc Soup Springs Campground Comment
  RSA59737  Paeonia brownii E. K. Balls 1950-5-20 14795 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  UC9353  Paeonia brownii Milo S. Baker 1893-6-1 Modoc Comment
  CDA32584  Panicum capillare var. occidentale T. C. Fuller 1962-8-3 9492 Modoc Hwy 139 to Tulelake, 0.25 mile northwest of Stronghold 0 Comment
  CAS-BOT-BC225851  Parnassia fimbriata Bruce Bartholomew 1994-8-21 6866 Modoc Squaw Peak Trail, E side of the Warner Mountains. 2240 Comment
  NY1000969  Paxistima myrsinites M. S. Baker 06 1893 s.n. Modoc Comment
  SJSU8395  Pectiantia pentandra H. L. Buckalew 1961-7-5 Modoc Soldier Cr on flank of Bald Mt, Warner Mts Comment
  CAS-BOT-BC232311  Pedicularis attollens Roxana Stinchfield Ferris; R. Duthie 1919-6-14 146 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  SJSU11602  Pedicularis attollens R. L. Fisher 1958-6-15 Modoc 7 mi E of Alturas Comment
  CAS-BOT-BC232307  Pedicularis groenlandica subsp. surrecta K. Paulson; Robert Paulson 1989-7-14 183 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  UC103244  Pedicularis semibarbata Mrs. R. M. Austin 1894-1 147 Modoc Lassen Creek Comment
  CAS-BOT-BC30194  Pellaea breweri Bruce Bartholomew 1990-6-16 5269 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  CAS-BOT-BC30196  Pellaea breweri Bruce Bartholomew 1992-8-9 6392 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mtns 2470 Comment
  UC922444  Pellaea breweri Annie M. Alexander and Louise Kellogg 1946-7-23 5049 Modoc Emerson Peak; Warner Mts Comment
  HSC72471  Penstemon davidsonii J. P. Smith, J. O. Sawyer 1973-8-8 7233 Modoc Near summit of Eagle Peak 2988 Comment
  RSA531335  Penstemon deustus subsp. heterander Bruce Bartholomew 1990-6-15 5223 Modoc SW side of Deer Spring Ridge near the border with Lassen Co. 1720 Comment
  CAS-BOT-BC245537  Penstemon gracilentus John Thomas Howell 1934-6-14 12176 Modoc Patterson Mill Road 2133 Comment
  NY600739  Penstemon gracilentus M. Bourell 1993-8-15 5280 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead. 2438.4 Comment
  UC748182  Penstemon gracilentus Annie M. Alexander and Louise Kellogg 1946-6-28 4861 Modoc Pine Creek Canyon n end Warner Mountains, Pine Creek Canyon 2011 Comment
  UC748183  Penstemon gracilentus Annie M. Alexander and Louise Kellogg 1946-7-24 5079 Modoc Bear Camp Flat Warner Mountains, Bear Camp Flat 2286 Comment
  HSC80747  Penstemon gracilentus G. M. Riegel 1979-7-24 600 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC497202  Penstemon heterophyllus John H. Hatton 1911-6-15 106 Modoc Modoc Forest, near Happy Camp 1463 Comment
  NY604220  Penstemon janishiae H. D. D. Ripley 1944-5-31 5990 Modoc Northwest of Alturas 1371.6 Comment
  SBBG7136  Penstemon laetus H. and M. Dearing 1939-6-7 3574 Modoc near Adin Comment
  CAS-BOT-BC497316  Penstemon laetus subsp. roezlii Belknap C. Goldsmith 1912-8-6 86 Modoc West side of Goose Lake 1463 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
  CAS-BOT-BC232523  Penstemon roezlii Barrett Anderson 1986-7-10 3203 Modoc West Warner Rd just S of the N Fork of Fitzhugh Creek. 1980 Comment
  CAS-BOT-BC232525  Penstemon roezlii C. C. (Mrs.) Bruce 1894-6-1 92 Modoc Davis Creek. Comment
  NY650093  Penstemon roezlii N. H. Holmgren 1978-6-8 8882 Modoc Top of mesa, 7.3 km (4.5 miles) airline distance west of Alturas on Crowder Flat road. 1460 Comment
  POM260364  Penstemon roezlii C. Leo Hitchcock 1940-5-28 6719 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  SEINET195629  Penstemon roezlii Annie M. Alexander, L Kellogg 1946-6-17 4788 Modoc Cedar Pass rd 10 mi NE of Alturas Comment
  CAS-BOT-BC245570  Penstemon roezlii Gordon H. True 1964-6-3 1462 Modoc N Fork of Pit River brtween Alturas and Goose Lake. 1432 Comment
  NY650113  Penstemon roezlii F. W. Pennell 1940-6-7 25734 Modoc Upper valley of Rush Creek, northeast of Adin 1585.0 Comment
  NY650126  Penstemon roezlii R. M. Austin 07 1898 2361 Modoc Comment
  RSA101673  Penstemon roezlii L. S. Rose 1940-6-13 40562 Modoc Cedar Pass. 2119 Comment
  RSA152716  Penstemon roezlii I. L. Wiggins, Dorothy Wiggins 1961-6-12 16369 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  SEINET201573  Penstemon roezlii A. Cronquist, AH Holmgren 1959-6-20 8529 Modoc E slope of Warner Mtns near Fandango Pass 1829 Comment
  CAS-BOT-BC245493  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  CAS-BOT-BC245495  Penstemon rydbergii var. oreocharis Bruce Bartholomew; Barrett Anderson 1989-6-3 4855 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  CAS-BOT-BC245506  Penstemon rydbergii var. oreocharis Bruce Bartholomew 1990-6-16 5276 Modoc Bear Flat, W side of Warner Mountains. 1830 Comment
  CHSC85119  Penstemon rydbergii var. oreocharis John Dittes; Josephine Guardino 1991-7-21 420 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
  RSA647533  Penstemon rydbergii var. oreocharis Marion P. Harthill 1971-6-23 372 Modoc Fort Bidwell. Comment
  UC102984  Penstemon rydbergii var. oreocharis Mrs. R. M. Austin 1894-1 180 Modoc Goose Lake Valley Comment
  UCR77773  Penstemon rydbergii var. oreocharis K. Paulson, R. Paulson 1989-7-4 171 Modoc About 1 mi south of Patterson Ranger Station, S end of Warner Mtns 2122 Comment
  CAS-BOT-BC245557  Penstemon speciosus Bruce Bartholomew 1995-8-1 7156 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  NY660808  Penstemon speciosus N. H. Holmgren 1978-6-8 8879 Modoc U.S. Highway 395, 9.5 km (5.9 miles) north of Davis Creek 1490 Comment
  CAS-BOT-BC214731  Peraphyllum ramosissimum Elmer Ivan Applegate 1897-6-5 849 Modoc Along Pit River below Alturas. Comment
  UC1369823  Perideridia bolanderi subsp. bolanderi Robert F. Thorne, J. Henrickson and C. W. Tilforth 1969-9-4 39063 Modoc sw shore of lake n McGinty Point; Goose Lake 1447 Comment
  CAS-BOT-BC95157  Peritoma platycarpa C. C. (Mrs.) Bruce 1898-6-1 2180 Modoc Likely. Comment
  CHSC109677  Persicaria amphibia Lowell Ahart; John Dittes 2012-7-10 18327 Modoc On the drying north side of the drainage, east of the fence, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC218153  Persicaria maculosa Bruce Bartholomew 1994-10-8 6878 Modoc 1.8 km S of Lookout - Adin Road on County Road 87A. 1260 Comment
  CAS-BOT-BC218155  Persicaria maculosa Bruce Bartholomew 1990-8-3 5603 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  SBBG30501  Phacelia hastata D. Myrick 1968-6-20 1967 Modoc Cedar Pass Rd, St Hwy 299, 10 mi E of Alturas 1371 Comment
  CAS-BOT-BC179266  Phacelia hastata subsp. hastata Lawrence Ray Heckard 1952-6-19 316 Modoc Ca. 7 mi. N of Alturas along Hwy 395. 1341 Comment
  CAS-BOT-BC180004  Phacelia heterophylla subsp. virgata Clare Butterworth Hardham 1971-6-19 7851 Modoc Davis Creek. Comment
  CAS-BOT-BC180019  Phacelia heterophylla subsp. virgata Lawrence Ray Heckard 1952-6-19 312 Modoc Just below summit of Fandango Pass. 1828 Comment
  CDA13457  Phacelia heterophylla subsp. virgata G. F. Hrusa, T. D. Wilfred 1996-7-21 13304 Modoc Modoc Plateau; adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC71796  Phacelia heterophylla subsp. virgata Mrs. M. H. Manning 1903-6 153 Modoc woods near Fort Bidwell (ne Modoc Co.) 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
  RSA165589  Phacelia heterophylla subsp. virgata Clare B. Hardham 1921-6-19 7851 Modoc Davis Creek. Comment
  JEPS79140  Phacelia humilis L. R. Heckard with R. Bacigalupi 1980-6-11 5242 Modoc about 10 mi ne Alturas; Cedar Pass Campground (US Forest Service) 1889 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-BC179998  Phacelia humilis var. humilis Bruce Bartholomew; Barrett Anderson 1988-6-24 4366 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  CAS-BOT-BC179969  Phacelia inundata Bruce Bartholomew 1995-5-13 6910 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1480 Comment
  NY1055158  Phacelia ivesiana B. M. Bartholomew 1989-6-2 4815 Modoc Sand dunes at the southeast corner of Upper Alkali Lake, east side of Surprise Valley 1400 Comment
  CAS-BOT-BC179949  Phacelia linearis Bruce Bartholomew; Barrett Anderson 1989-6-3 4881 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC179954  Phacelia linearis M. M. Hanna 1956-6-7 Modoc Junction Hwy 139 and Glass Mt. Rd. Comment
  SJSU6098  Phacelia linearis J. W. Tilden 1958-6-25 1265 Modoc near Monument Hdqtrs, Lava Bed National Monument Comment
  UC133081  Phacelia linearis Mrs. R. M. Austin Aug. 1887 Modoc Hills Comment
  CAS-BOT-BC179934  Phacelia ramosissima var. eremophila Annie Montague Alexander; L. Kellogg 1946-7-24 5066 Modoc Trail to Emerson Camp, Bear Camp Flat. Comment
  POM301682  Phacelia ramosissima var. ramosissima Marion Ownbey, Fred G. Meyer 1940-7-1 2156 Modoc Cedar Peak, Warner Mountains. Comment
  HSC81053  Phacelia sericea G. M. Riegel 1980-9-4 1150 Modoc South Warner Mtns. Comment
  CAS-BOT-BC248349  Phacelia sericea var. ciliosa B. Bartholomew; H. Sun 2002-6-24 8832 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CAS-BOT-BC179922  Phacelia tetramera Bruce Bartholomew 1995-5-13 6903 Modoc E of Eagleville near Eagleville Airport, S end of Surprize Valley. 1390 Comment
  CAS-BOT-BC179908  Phacelia thermalis Milo Samuel Baker 1899-8-18 Modoc Hot Spring Valley. Comment
  JEPS101028  Phacelia thermalis Dean W. Taylor 1988-8-11 10041 Modoc near Lone Pine Lake 1383 Comment
  UC107435  Phacelia thermalis Mrs. R. M. Austin June, 1888 Modoc Hot Springs below Alturas Comment
  CAS-BOT-BC247552  Phleum alpinum Elmer Ivan Applegate 1932-8-3 8141 Modoc W slope of Eagle Peak. 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
  SACT001758  Phleum pratense Herbert Mason, Verne Grant 1947-7-10 Modoc Forming tubers, irrigation ditch on pasture land .25 mile west of Dorris Reservoir, 2 mile east of Alturas. Comment
  UCD89630  Phleum pratense Herbert L. Mason; Verne Grant 1947-7-10 13358 Modoc Irrigation ditch on pasture land 1/4 mile west of Dorris Reservoir, 2 miles east of Alturas. Comment
  SJSU13878  Phlox caespitosa N. A. Hopkins 1985-5-14 1726 Modoc by rd between Alturas & Cedarville, Warner Mts 1524 Comment
  CAS-BOT-BC197956  Phlox diffusa Bruce Bartholomew; Barrett Anderson 1989-4-28 4648 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  JEPS86362  Phlox diffusa Jack and Betty Guggolz 1988-7-3 974 Modoc near summit of Bidwell Mountain; Bidwell Mountain Comment
  JEPS15472  Phlox diffusa Joseph and Hilda W. Grinnell 1938-6-16 1109 a Modoc summit of Cedar Pass Warner Mountains, Cedar Pass 1935 Comment
  UCSB27388  Phlox diffusa Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls; near Clear Lake; east of Likely; Warner Mtns Comment
  RSA150275  Phlox diffusa subsp. diffusa A. J. Cronquist, Arthur H. Holmgren 1959-6-20 8524 Modoc Warner Mountains: at Cedarville Pass, between Cedarville and Alturas. 1951 Comment
  CAS-BOT-BC197929  Phlox douglasii subsp. rigida Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16392 Modoc 5 mi. E of Hwy 299 along Cedar Pass road. Comment
  CAS-BOT-BC197936  Phlox douglasii subsp. rigida Bruce Bartholomew 1990-6-16 5264 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  CAS-BOT-BC197942  Phlox douglasii subsp. rigida M. M. Hanna 1956-6-3 939 Modoc Highway between Alturas and Cedarville. Comment
  UC880425  Phlox douglasii subsp. rigida C. L. Hitchcock 1940-5-28 6730 Modoc 15 mi n Alturas (near Surprise) 1402 Comment
  UCR66592  Phlox douglasii subsp. rigida Christopher Davidson 1975-6-4 2604 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of hwy 395 1500 Comment
  UCR247926  Phlox hoodii subsp. canescens J. R. Keck Jr., Wright 1991-5-30 PDR 725210 Modoc Tionesta, Modoc National Forest 1311 Comment
  UC23906  Phlox hoodii subsp. canescens Mrs. C. C. Bruce Jun 1898 2329 Modoc Warner Mts. 2438 Comment
  UC23907  Phlox hoodii subsp. canescens Milo S. Baker Jun 10 1893-Jun 27 1893 Modoc Comment
  CAS-BOT-BC197870  Phlox stansburyi Bruce Bartholomew 1995-5-13 6907 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1480 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-BC58313  Phoenicaulis cheiranthoides M. Vasey 1990-6-28 9014 Modoc Trail to summit above N Emerson Lake. 2651 Comment
  CAS-BOT-BC58317  Phoenicaulis cheiranthoides F. Angwin 1946-3-31 Modoc Adin. Comment
  CAS-BOT-BC58578  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1937-5-13 11088 Modoc Lava Beds Nationa Monument, Gillam Bluff. Comment
  HSC26512  Phoenicaulis cheiranthoides J. P. Smith, J. O. Sawyer 1972-5-6 5250 Modoc County Rd. 86, just E of Adin. 1098 Comment
  UC1036006  Phoenicaulis cheiranthoides Helen K. Sharsmith 1955-6-22 4487 Modoc just n of Cedar Pass (Warner Mountains, Modoc National Forest); Warner Mountains, Modoc National Forest 1889 Comment
  HSC6879  Phoenicaulis cheiranthoides M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  RSA600326  Phoradendron juniperinum Louis C. Wheeler 1935-8-8 3814 Modoc Warner Mountains: Pine Creek. 1646 Comment
  CAS-BOT-BC247591  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
  CHSC112775  Pilularia americana Lowell Ahart; John Dittes 2013-7-24 18924 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  UCR34664  Pinus albicaulis J. A. Harpel 1981-8-6 V 46 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UCSB31430  Pinus albicaulis Haller, John 1978-7-19 Modoc Summit ridge of Warner Mountains, 1 km. north of the Likely-Eagleville Road 2377 Comment
  POM120072  Pinus contorta var. murrayana Mrs. R. M. Austin 1895-08 267 Modoc Goose Lake Comment
  CAS-BOT-BC73020  Pinus monticola Elmer I. Applegate 1932-8-5 8219 Modoc Dry, rocky crest of Yellow Moutain near Lily Lake, Bidwell Pass, Warner Mountains. 2438 Comment
  SEINET191397  Pinus monticola M. Ownbey, FG Meyer 1940-7-1 2153 Modoc Near summit of Clear Peak Warner Mountains Comment
  UCSB107  Pinus monticola Haller, John 1959-08 Modoc 0.5 miles west of the crest of the Warner Mtns, 3 miles east of Patterson Ranger Station and camp ground on road between Blue lake and Lower Alkali Lake 2286 Comment
  UCSB18054  Pinus monticola Haller, John 1962-6-8 Modoc Vicinity of Cave Lake, 1 mile west of Summit of New Pine Creek-Fort Bidwell Road, Warner Mountains 2072 Comment
  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
  SEINET12548120  Pinus ponderosa var. ponderosa D. A. Charlet, R. Winjes 1994-5-23 1837 Modoc Warner Mountains between Lake City & Ft. Bidwell 1445 Comment
  SEINET3874431 Image available Pinus ponderosa var. ponderosa David A. Charlet 1994-7-7 1933 Modoc Warner Mountains near Surprise Valley floor at Lake City turnoff.; 0 1433 Comment
  CAS-BOT-BC242223  Piperia unalascensis Leland S. Smith 1922-7-20 1302 Modoc Field redacted by CAS, contact the data manager for more information 1905 Comment
  CAS-BOT-BC248381  Plagiobothrys L. S. Smith 1922-7-7 1259 Modoc Modoc National Forest. High Grade & 12 Mile Sample plots 2194 Comment
  CDA13479  Plagiobothrys cognatus G. F. Hrusa, T. D. Wilfred 1996-7-21 13320 a Modoc Modoc Plateau; Along banks of Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  HSC30199  Plagiobothrys cusickii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19525 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  JEPS119660  Plagiobothrys cusickii Lowell Ahart, John Dittes 2012-7-11 18332 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC1191851  Plagiobothrys cusickii Herbert L. Mason and Verne Grant 1947-7-12 13421 Modoc s of Alturas (near s end of w side road, along railroad tracks); Pit River Valley Comment
  SJSU9597  Plagiobothrys cusickii W. Savage 1979-7-5 1364 Modoc Triange, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC58788  Plagiobothrys hispidus John Thomas Howell 1934-6-13 12067 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC58792  Plagiobothrys leptocladus Louis Cutter Wheeler 1935-8-25 3917 Modoc Rim Rock Valley, Devil's Garden. 1524 Comment
  UC1191836  Plagiobothrys mollis Herbert L. Mason, Verne Grant 1947-7-10 13333 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC1587084  Plagiobothrys mollis G. Schoolcraft 1991-6-18 2163 Modoc w of Highway 299 about 4 mi ne Adin 1304 Comment
  CDA40673  Plagiobothrys mollis T. C. Fuller 1965-6-2 13601 Modoc West side of Dorris Reservoir, 2 miles east of Alturas. 0 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-BC58737  Plagiobothrys scouleri John Thomas Howell 1934-6-15 12192 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CAS-BOT-BC58750  Plagiobothrys scouleri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16513 Modoc 13 mi. W of Canby, along Hwy 139. Comment
  CHSC85102  Plagiobothrys stipitatus var. micranthus John Dittes; Josephine Guardino 1991-6-1 370 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
  UC450164  Plagiobothrys tener var. tener Franklin P. Nutting Modoc Taylor Creek , Taylor Creek (Forestdale) Comment
  RSA210876  Plantago major Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39121 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  JEPS64453  Platanthera stricta Leland S. Smith 1918-6-22 943 Modoc n-nw slope along creek Modoc Forest, High Grade District, Pine Creek 1828 Comment
  CAS-BOT-BC242206  Platanthera stricta K. Paulson; Robert Paulson 1989-7-14 184 Modoc Field redacted by CAS, contact the data manager for more information 1987 Comment
  CAS-BOT-BC245390  Plectritis macrocera Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6515 Modoc Ca. 1 km W of Adin on road to Lookout. 1280 Comment
  CHSC85136  Plectritis macrocera John Dittes; Josephine Guardino 1991-6-1 350 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
  JEPS26655  Plectritis macrocera Lauramay T. Dempster 1961-6-18 1698 Modoc 3.2 mi e of Cedar Pass (s of highway) 1737 Comment
  CAS-BOT-BC245397  Plectritis macrocera Lindsay Stuart Smith; E. H. Steffen 1917-5-26 9 Modoc West Valley camp. 1554 Comment
  POM128314  Plectritis macrocera subsp. grayi M. French Gilman 558 Modoc Modoc Co. Mts. 1982 Comment
  JEPS36545  Pleiacanthus spinosus W. L. Jepson 1918-8-9 7918 Modoc Ft. Bidwell 1432 Comment
  UCD149781  Poa X limosa William Anderson 1965-6-5 s.n. Modoc Likely. Comment
  CAS-BOT-BC247588  Poa bolanderi Leland S. Smith 1922-7-20 1284 Modoc Rush Creek Ranger Station. 1905 Comment
  HSC80830  Poa bulbosa G. M. Riegel 1980-6-30 788 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC255129  Poa cusickii Isabel T. Kelly 1930-1-1 22 Modoc Unspecified Comment
  HSC80837  Poa cusickii subsp. epilis G. M. Riegel 1979-7-28 618 Modoc South Warner Mtn. 1829 Comment
  HSC38840  Poa palustris J. P. Smith, J. O. Sawyer 1973-8-9 7277 Modoc Blue Lake, Modoc National Forest 1829 Comment
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Jul 11 2013
  UCD32721  Poa palustris Beecher Crampton 1954-7-7 2159 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  RSA534587  Poa pratensis Bruce Bartholomew, B. Anderson 1990-7-21 5580 Modoc Homestead Flat, ca. 2.5 km E. of Patterson Ranger Station, E. side of Warner Mts. 2160 Comment
  UCD91957  Poa pratensis R. Tofsrud 1949-6-1 s.n. Modoc near Eagleville. Comment
  UCD91979  Poa pratensis L. Whitney 1935-5-21 s.n. Modoc Hackamore Reservoir. Comment
  CAS-BOT-BC247620  Poa pratensis subsp. pratensis Robert Patterson; Mona Bourell 1993-8-15 5274 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  JEPS120882  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18767 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
  POM264350  Poa secunda A. A. Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass. 2119 Comment
  RSA602386  Poa secunda L. C. Wheeler 1935-8-2 3742 Modoc Dismal Swamp, Twenty Mile Creek; Warner Mountains 2226 Comment
  RSA647548  Poa secunda Marion P. Harthill 1972-6-17 851 Modoc Cedar Pass 1921 Comment
  UCD90460  Poa secunda L. Whitney 1935-5-19 s.n. Modoc Near Hackamore. Comment
  UCD90461  Poa secunda E. Wilson 1935-5-14 s.n. Modoc E side of Cedar Pass. Comment
  UCD32727  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-7 2166 Modoc 2.5 miles E of Alturas, near radio station KCNO. Comment
  UCD38339  Poa secunda subsp. juncifolia Beecher Crampton; Carl Rimbey 1954-7-7 2124 Modoc Alturas. Comment
  UCD92149  Poa secunda subsp. juncifolia Collector Unknown 1934-5-14 s.n. Modoc Alturas. Comment
  CDA32641  Poa secunda subsp. juncifolia L. White & H. T. Osborne 1957-6-27 Modoc 1/4 mile west of Cedar Pass, 3 miles west of Cedarville. Comment
  CAS-BOT-BC247609  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12340 Modoc Duncan Horse Camp. 1355 Comment
  CHSC117017  Poa secunda subsp. secunda Lowell Ahart; John Dittes 2016-6-6 20940 Modoc About 20 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  HSC10779  Poa secunda subsp. secunda M. T. Milligan 1964-6-4 18 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  JEPS75401  Poa secunda subsp. secunda Frances D. Payne 1932-6-24 566 Modoc s and e Alturas (Parker Creek); Warner Mts 1584 Comment
  UC1037165  Poa secunda subsp. secunda Leo Whitney 1935-7-12 3499 Modoc 10 mi w Canby (Cottonwood Flat) Comment
  UC535950  Poa secunda subsp. secunda Elmer I. Applegate 1927-4-24 5004 Modoc Modoc Battle Ground; Modoc Lava Beds Comment
  UC790977  Poa secunda subsp. secunda A. A. Beetle 1941-6-29 2827 Modoc near summit Cedarville Pass 2118 Comment
  UCD92103  Poa secunda subsp. secunda L. Whitney 1935-7-7 3393 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  CAS-BOT-BC247655  Poa wheeleri Bruce Bartholomew 1990-8-4 5644 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  CAS-BOT-BC252513  Poa wheeleri E. S. Willits 1940-5-16 252 Modoc Willow Ranch. Comment
  CAS-BOT-BC252515  Poa wheeleri Bruce Bartholomew 1991-6-20 5789 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  CAS-BOT-BC252522  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1989-6-1 4767 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  HSC80831  Poa wheeleri G. M. Riegel 1979-7-30 628 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC179346  Pogogyne floribunda James D. Jokerst 1987-6-23 2930 Modoc Ca. 2 mi. SW of Doublehead Mountain. Comment
  CAS-BOT-BC179352  Pogogyne floribunda James D. Jokerst 1987-6-24 2938 Modoc CA. 2 mi. NE of Doublehead Mountain, 1.25 mi. S of Clear Lake, along dirt road ca. 2 mi. WSW of Red Lake. Comment
  CHSC67512  Pogogyne floribunda J. D. Jokerst 1990-7-31 3204 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), about 2 miles SE of Doublehead Mountain and 300 meters SE of the USFS dirt road that passes near E edge of lake at the line separating Sections 13 and 14. 1371 Comment
  SDSU19279  Pogogyne floribunda Michael Silveira 2007-7-24 20 Modoc Vernal pool North side of Highway 136 ca. 1 mile West of intersection of Crowder Flat Road and Clear Lake Reservoir Road. 1528 Comment
  UCD125312  Pogogyne floribunda Herbert L. Mason 1947-8-9 13474 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  CAS-BOT-BC263237  Polemonium micranthum R. Stubbs 2010-5-8 005 Modoc Modoc National Forest Rush Creek off of CA-299 1502 Comment
  NY963444  Polemonium micranthum B. M. Bartholomew 1989-4-29 4671 Modoc 6.4 km east of Fort Bidwell on road to Fee Reservoir, northeast corner of Surprise Valley 1460 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
  CHSC31496  Polemonium occidentale N. E. H. Prouty 1980-8-6 211 Modoc Modoc Nat. Forest. Meadow on southern bank of North Fork Pine Creek. 1524 Comment
  HSC81029  Polemonium occidentale subsp. occidentale G. M. Riegel 1980-7-2 807 Modoc S Warner Mtns. 2100 Comment
  RSA523874  Polyctenium fremontii Barbara Ertter 1988-6-18 7617 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
  UC10287  Polyctenium fremontii Mrs. R. M. Austin May 1894 Modoc Ewing Creek Comment
  JEPS88601  Polygonum Dean Wm. Taylor, Glenn L. Clifton 1987-6-24 9061 Modoc Whitehorse (site), a railroad siding in Section 16 Whitehorse 1341 Comment
  JEPS91060  Polygonum Dean Wm. Taylor, Glenn L. Clifton 1987-6-24 9061 Modoc Whitehorse (site), a railroad siding in Section 16 Whitehorse 1341 Comment
  SJSU10644  Polygonum austiniae H. L. Buckalew 1961-6-29 Modoc by Stough (""Stowe"") Reservoir, 1 mi N of Cedar Pass on the Alturas-Cedarville Rd 1920 Comment
  NY404674  Polygonum austiniae R. M. Austin 1886-1 s.n. Modoc Comment
  JEPS79754  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc 1 mi nw Mud Lake; Devil's Garden 1524 Comment
  RSA17707  Polygonum bistortoides Elmer I. Applegate 1932-8-3 8140 Modoc W slope of Eagle Peak, Warner Mtns. Comment
  CAS-BOT-BC218133  Polygonum douglasii Leland S. Smith 1918-7-11 986 Modoc Mill Creek Meadows. 2072 Comment
  CAS-BOT-BC218135  Polygonum douglasii Elmer Ivan Applegate 1932-8-2 8065 Modoc Mill Creek Meadow, Warner Mts. Comment
  POM312535  Polygonum douglasii H. L. Mason, Verne Grant 1937-7-13 13451 Modoc On Obsidian rubble, W end of Fandango Pass, near Goose Lake, on road to Fort Bidwell Comment
  UC466034  Polygonum douglasii subsp. douglasii Mrs. R. M. Austin July 1890 431 Modoc Goose Lake Valley Comment
  JEPS4016  Polygonum douglasii subsp. douglasii Frances D. Payne 1935-7-6 784 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CHSC106322  Polygonum douglasii subsp. spergulariiforme Lowell Ahart; John Dittes 2010-8-31 17133 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
  RSA293419  Polygonum kelloggii Reino Alava 1957-7-5 1165 Modoc Cedar Pass, Modoc National Forest, just east of the camp ground Comment
  UC1101143  Polygonum lapathifolium Herbert L. Mason and Verne Grant 1947-7-11 13372 Modoc irrigation ditch by Jones' Lane (off Hwy 395, s of Alturas) Comment
  CDA22820  Polygonum lapathifolium var. salicifolium T. C. Fuller 1958-7-8 1957 Modoc Corporation Ranch, Likely. 0 Comment
  RSA638217  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 s.n. Modoc Devils Garden: Ca. 1/4 mile southwest of Big Sage Reservoir. Comment
  UC1111535  Polygonum polygaloides subsp. confertiflorum H. L. Mason 1957-6-21 14706 Modoc Said Valley; w side Comment
  CHSC81395  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1400 Modoc Ca. 12 mi nw of Canby, n side of Hwy 139, 1.7 mi e of Forest Service Rd 33N11. 1490 Comment
  JEPS98246  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1404 Modoc 13 mi NW of Canby (along Hwy 139; ca 0.6 mi e of FSR 44N11) 1487 Comment
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Sep 13 2017
  UCD77940  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1419 Modoc Ca. 8 mi nw of Canby, on n side of Hwy 139, 0.75 mi w of Forest Service Rd 46N10. 1511 Comment
  UCD77941  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-17 1394 Modoc Ca. 9.5 mi nw of Canby, on s side of Hwy 139. 1487 Comment
  UCD77947  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1409 Modoc Ca. 14 mi nw of Canby, on n side of Hwy 139, 0.4 mi w of Forest Service Rd 44N11. 1467 Comment
  CAS-BOT-BC498690  Polygonum polygaloides subsp. esotericum L. C. Wheeler 1973-8-23 s.n. Modoc Big Mud Lake Comment
  CAS-BOT-BC218186  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1934-6-12 12033 Modoc Plum Valley, Warner Mts. 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
  UC70666  Polypogon monspeliensis Mrs. M. H. Manning June 1903 402 Modoc north-eastern Modoc County Comment
  CAS-BOT-BC225107  Populus trichocarpa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 140 Modoc Parker Creek below Nat. Forest Boundary. Comment
  SEINET3812421 Image available Porterella carnosula Calvin McMillan 1949-6-16 1534 Modoc March three miles S of Crowder Flat, in N central Modoc County about 7 miles S of the Oregon border Comment
  CAS-BOT-BC242250  Potamogeton epihydrus Verne Grant; I. Schneider 1947-7-21 8127 Modoc North Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  SEINET3892674  Potamogeton filiformis Herbert L. Mason 1955-8-14 14648 Modoc South end of Goose Lake.; 0 Comment
  CAS-BOT-BC242241  Potamogeton foliosus Verne Grant; I. 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
  CAS-BOT-BC242230  Potamogeton nodosus Robert Folger Thorne; et al 1969-9-4 39129 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  UC1100067  Potamogeton nodosus Herbert L. Mason, Verne Grant 1947-7-12 13398 Modoc several mi s of Alturas (by Jones' Lane, off Hwy 3995) Comment
  UC1099835  Potamogeton pectinatus Herbert L. Mason 1947-8-16 13564 Modoc Stronghold, Northern Modoc County Stronghold Comment
  SEINET5335406  Potamogeton perfoliatus M. S. Baker 1899-8-24 s.n. Modoc in Pit River at Lookout Comment
  SJSU5135  Potamogeton praelongus R. L. Fisher 1958-6-13 Modoc Bailey Lake c. 12 mi S of Alturas 1524 Comment
  HSC17799  Potamogeton pusillus M. S. Baker 1899-8-24 Modoc Carmichaels Mill, Big Valley Comment
  CAS-BOT-BC242270  Potamogeton richardsonii Robert Folger Thorne; C. W. Tilforth 1969-9-5 39179 Modoc South Fork of Pit River at bridge 3.8 mi. E of Likely. 1386 Comment
  UC1100100  Potamogeton richardsonii Verne Grant, Irving Schneider 1947-7-18 8053 Modoc 1.4 mi n of Bayley's Bridge (s of Alturas) Comment
  UC1100090  Potamogeton zosteriformis Herbert L. Mason 1947-8-12 13515 Modoc near Alturas (s of Opahwash Butte); Pit River Comment
  CHSC110889  Potentilla biennis Lowell Ahart; John Dittes 2012-7-10 18307 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC116072  Potentilla biennis Lowell Ahart; John Dittes 2015-7-16 20373 -A Modoc South edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS119653  Potentilla biennis Lowell Ahart, John Dittes 2012-7-10 18307 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
  RSA85818  Potentilla biennis F. W. Peirson 1926-6-25 6881 Modoc Small side canyon 1 mile east of summit of Warner Mountains, on Cedarville Road Comment
  UC71672  Potentilla biennis Mrs. M. H. Manning 1902-10-21 Modoc northern slope of Fandango northern slope of Fandango (north-eastern Modoc County) Comment
  CAS-BOT-BC214740  Potentilla drummondii Bruce Bartholomew; Barrett Anderson 1988-7-22 4543 A Modoc Benton Meadow, Warner Mts.. 2180 Comment
  UC639572  Potentilla drummondii subsp. bruceae Frances D. Payne 1931-6-25 251 Modoc Pine Creek Basin Warner Mountains, Pine Creek Basin 2316 Comment
  UC639573  Potentilla fruticosa Frances D. Payne 1931-6-22 300 Modoc s slope Owl Creek Owl Creek; Warner Mountains, s slope Owl Creek 2133 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
  HSC65387  Potentilla gracilis Thomas Wood 1979-8-8 219 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  HSC18745  Potentilla gracilis var. fastigiata M. T. Milligan 1964-7-1 102 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  HSC80693  Potentilla gracilis var. fastigiata G. M. Riegel 1979-8-13 661 Modoc S Warner Mtns. 1670 Comment
  UC903241  Potentilla gracilis var. fastigiata Frances Payne 1931-6-17 181 Modoc Parker Creek, Warner Mountains south and east of Alturas. 1584 Comment
  RSA29866  Potentilla gracilis var. flabelliformis M. S. Baker 1894-1 6443 Modoc Near Egg Lake Comment
  RSA85691  Potentilla gracilis var. flabelliformis F. W. Peirson 1926-6-25 6883 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  UC12707  Potentilla gracilis var. flabelliformis Milo S. Baker 1893-7-2 Modoc Comment
  CAS-BOT-BC143313  Potentilla newberryi Verne Grant; Irving Schneider 1947-8-27 8313 Modoc Southwest end of Clear Lake Comment
  CAS-BOT-BC214800  Potentilla newberryi John Thomas Howell 1934-7-2 12359 Modoc E side of Clear Lake. Comment
  POM224087  Potentilla newberryi J. T. Howell 1934-7-2 12356 Modoc Nigger Ben Spring, SE end of Clear Lake. 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
  NY833594  Potentilla rivalis var. millegrana H. L. Mason 1947-8-9 13476 Modoc East side of Fairchild Swamp, north of Alturas Comment
  CAS-BOT-BC225020  Poteridium annuum Mrs. H. C. Cantelow 1940-6-1 3466 Modoc 32.7 mi. N of Alturas, Hwy 395. Comment
  CAS-BOT-BC225033  Poteridium annuum Margaret J. Williams 1984-6-20 84- 75 -2 Modoc 27.4 mi. N of Cedar Pass road on Hwy 395. 1295 Comment
  CAS-BOT-BC225035  Poteridium annuum D. Toren; Barbara Trowbridge 1975-6-20 5142 Modoc Jess Valley, East of Likely 1097 Comment
  UCD113166  Prunus andersonii Louis C. Wheeler 1935-8-6 3797 Modoc town of Pine Creek. 1493 Comment
  HSC27171  Prunus subcordata J. P. Smith, J. O. Sawyer 1972-5-6 5276 Modoc 1/2 mi. N of Ft. Bidwell on Mill Creek Rd. 1402 Comment
  JEPS19415  Prunus subcordata B. C. Goldsmith Modoc Myrtle Creek Canyon near Goose Lake Valley (w slope of Warner Mountains, northeastern Modoc County); Warner Mountains, Myrtle Creek Canyon Comment
  SEINET10685515  Prunus subcordata Karen M. Meyer, Andrew Townesmith 2007-9-16 Meyer 214 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-BC214811  Prunus subcordata R. M. Austin 1884-6-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC225014  Prunus virginiana var. demissa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 129 Modoc Parker Creek below Modoc Nat. Forest Boundary. Comment
  SJSU9683  Prunus virginiana var. demissa W. Savage 1979-7-26 1573 Modoc Long Meadow Unit, Devils Garden Ranger District, Modoc National Forest 1584 Comment
  RSA59525  Prunus virginiana var. melanocarpa E. K. Balls 1950-5-20 14815 Modoc S Fork Pit River. About S Fork Public Camp. Likely to Jess Valley. 1433 Comment
  UCD91502  Pseudoroegneria spicata Beecher Crampton; with Carl Rimbey 1954-7-7 2133 Modoc West side of Cedar Pass, Warner Mountains. 1889 Comment
  UC711892  Pseudoroegneria spicata subsp. spicata Roxana S. Ferris and Laura Lorraine 1941-8-12 10510 Modoc between Hackamore and Canby (Modoc National Forest); Modoc National Forest Comment
  CAS-BOT-BC95217  Pseudostellaria jamesiana Roxana Stinchfield Ferris; R. Duthie 1919-6-13 30 Modoc Near Parker Creek, Warner Mts. Comment
  RSA27379  Pseudostellaria jamesiana C. L. Hitchcock 1940-5-27 6679 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC748047  Pseudostellaria jamesiana Annie M. Alexander and Louise Kellogg 1946-7-3 4899 Modoc 7 mi w Fort Bidwell; Bidwell Creek Canyon, w of Fort Bidwell 1444 Comment
  CAS-BOT-BC50383  Psilocarphus brevissimus var. brevissimus Bruce Bartholomew; Barrett Anderson 1988-6-23 4249 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC50385  Psilocarphus brevissimus var. brevissimus John Thomas Howell 1934-7-2 12361 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  UC1192095  Psilocarphus oregonus Herbert L. Mason and Verne Grant 1947-7-13 13450 Modoc near Goose Lake (on road to Fort Bidwell, w end of Fandango Pass); Fandango Pass Comment
  UC1608978  Pteryxia terebinthina var. californica B. Bartholomew 1993-6-12 6583 Modoc Road to Day Rock from Little Hot Spring Valley 381 Comment
  UCD32748  Puccinellia Beecher Crampton 1954-7-7 2157 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  RSA323603  Puccinellia lemmonii A. Tiehm, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8799 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville. 1357 Comment
  UCR136425  Puccinellia lemmonii Beecher Crampton 1954-7-6 2084 Modoc Modoc Plateau, 4 miles north of Likely along US Highwy 395 1402 Comment
  UCD32720  Puccinellia nuttalliana Beecher Crampton 1954-7-7 2158 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  CAS-BOT-BC218228  Purshia tridentata var. tridentata John Thomas Howell 1934-6-12 12041 Modoc N side of Fandango Valley. Comment
  CAS-BOT-BC218231  Purshia tridentata var. tridentata A. D. Borden 1911-8-9 Modoc S slope of Shields Creek. Comment
  UC105961  Pyrola minor Mrs. R. M. Austin Jul 1894 142 Modoc Lassen Creek Comment
  UC412674  Pyrola picta Franklin P. Nutting 1920-8-1 Modoc near Forestdale (Big Valley Mountains); Big Valley Mountains Comment
  NY188342  Pyrola picta M. S. Baker 1893-7-20 Modoc Comment
  SJSU9693  Pyrola picta W. Savage 1979-7-20 1550 Modoc Oregon Rim Unit, Devils Garden District, 0.5 mi S of Oregon state line, Modoc National Forest 1645 Comment
  CAS-BOT-BC50390  Pyrrocoma carthamoides var. cusickii Alice Eastwood; John Thomas Howell 1940-6-14 8200 Modoc Near Kelly Hot Spring. Comment
  CHSC97874  Pyrrocoma carthamoides var. cusickii G. D. Barbe 1991-8-27 4443 Modoc Warner Mts. 2316 Comment
  UC1037320  Pyrrocoma carthamoides var. cusickii Leo Whitney 1934-6-2 1862 Modoc ca 17 mi nw Canby (Badger Wells); Badger Wells Comment
  POM229872  Pyrrocoma carthamoides var. cusickii L. C. Wheeler 1935-8-12 3827 Modoc Cottonwood Creek, Warner Mts. 1677 Comment
Read comments
Aug 8 2009
  CAS-BOT-BC50399  Pyrrocoma hirta var. lanulosa Leland S. Smith 1920-8-30 3 A Modoc Windmill Flat. 1524 Comment
  UC86658  Pyrrocoma hirta var. lanulosa Mrs. R. M. Austin June 1894 259 Modoc near Emigrant Spring; Lava Beds Comment
  CAS-BOT-BC50352  Pyrrocoma lanceolata var. lanceolata Louis Cutter Wheeler 1935-9-27 4008 Modoc Pease Flat, Devil's Garden. 1524 Comment
  UC296012  Pyrrocoma lanceolata var. subviscosa H. M. Hall 1925-8-30 12211 Modoc about 1 mi s Alturas Comment
  POM229879  Pyrrocoma racemosa var. paniculata L. C. Wheeler 1935-9-27 4008 Modoc Pease Flat, Devil's Garden. 1524 Comment
  CAS-BOT-BC180124  Quercus kelloggii Bruce Bartholomew 1989-7-15 5024 Modoc ca. 1.5 km from State Hwy 299 on road to Manzanita Mountain. 1650 Comment
  CAS-BOT-BC50361  Raillardella argentea Bruce Bartholomew 1991-8-5 6066 Modoc Spring NE of Cottenwood Lake along Summit Trail from Squaw Peak to Patterson Lake, Warner Mts. 2580 Comment
  CAS-BOT-BC217254  Ranunculus alismifolius Leland S. Smith 1920-6-2 1157 Modoc 12-mile Creek. 2042 Comment
  CAS-BOT-BC217298  Ranunculus alismifolius Louis Cutter Wheeler 1935-8-4 3774 Modoc Dismal Swamp, Warner Mts. 2225 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
  CAS-BOT-BC379163  Ranunculus aquatilis var. aquatilis F. P. Cronemiller; L. S. Smith 1923-6-18 601 Modoc Indian Dick R.S. Comment
  CAS-BOT-BC379165  Ranunculus aquatilis var. aquatilis Alice Eastwood; John Thomas Howell 1937-6-19 4550 Modoc near Yorkville Comment
  JEPS60660  Ranunculus aquatilis var. capillaceus Frances D. Payne 1932-7-14 681 Modoc s and e Alturas; Warner Mountains, Parker Creek Canyon 1706 Comment
  CAS-BOT-BC217269  Ranunculus aquatilis var. diffusus Bruce Bartholomew 1992-5-16 6321 Modoc Lunsford Spring. 1600 Comment
  CHSC99772  Ranunculus aquatilis var. diffusus Lowell Ahart; John Dittes 2008-6-22 15040 Modoc In shallow water, along a natural drainage, about 150 yards north of the road levee, in Big Valley, about 2.1 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.0 miles (air) northeast of Bieber. 1262 Comment
  SEINET12087539  Ranunculus austinae R. M. Austin 1894-1 s.n. Modoc E of Willow Creek Comment
  CAS-BOT-BC217234  Ranunculus cymbalaria Bruce Bartholomew 1992-5-15 6288 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  CHSC112764  Ranunculus cymbalaria Lowell Ahart; John Dittes 2013-7-24 18938 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  UC480945  Ranunculus cymbalaria var. saximontanus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains 2225 Comment
  POM312417  Ranunculus cymbalaria var. saximontanus H. L. Mason 1947-8-15 13552 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  UC1178908  Ranunculus glaberrimus Herbert L. Mason 1949-4-16 13999 Modoc summit of grade between Madeline Plain and Likely Comment
Read comments
Jun 2 2009
  CAS-BOT-BC217208  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew; Barrett Anderson 1989-4-29 4690 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC217249  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew; Barrett Anderson 1988-5-13 4173 Modoc Between N and S Forks of Fitzhugh Creek on Warner Road, W side of the Warner Mts.. 1970 Comment
  CHSC70477  Ranunculus occidentalis S. Stearns 1997-5-13 2240 Modoc W. side of Little Willow Ck., Devil's Garden. 1540 Comment
  SEINET195697  Ranunculus occidentalis L. Kellogg, AM Alexander 1946-6-7 4673 Modoc 0.5 mi E of Cedarville 1453 Comment
  UC748216  Ranunculus occidentalis Annie M. Alexander and Louise Kellogg 1946-6-7 4673 Modoc 1/2 mi e Cedarville 1453 Comment
  CAS-BOT-BC217176  Ranunculus occidentalis John H. Hatton 1911-6-10 23 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC217222  Ranunculus occidentalis E. H. Steffen 1917-5-21 8 Modoc West Valley Camp. 1676 Comment
  RSA400013  Ranunculus occidentalis var. eisenii Christopher Davidson 1975-6-4 2621 Modoc 5 miles W of Cedarville in Hwy 299, across from road 195 to Cedaar Pass Ski Tow Road. 1799 Comment
  POM269466  Ranunculus oxynotus Elmer I. Applegate 1932-8-1 8047 Modoc Arid rocky E slope of Warren Peak, Warner Mts. Comment
  CAS-BOT-BC217190  Ranunculus sceleratus Bruce Bartholomew 1990-6-17 5332 Modoc Surprise Valley, at the W side of Middle Alkali Lake, directly E of Cedarville. 1370 Comment
  JEPS60663  Ranunculus uncinatus Frances D. Payne 1931-6-22 236 Modoc s and e Alturas (creek is a tributary of Parker Creek); Warner Mountains, Dry Creek 1828 Comment
  CAS-BOT-BC58407  Raphanus raphanistrum Bruce Bartholomew 1992-5-17 6351 Modoc Pasture ca. 2 km NW of Day. 1100 Comment
  POM180605  Rhamnus californica J. T. Howell 1930-10-25 5698 Modoc Deep shade on bank of Arroyo Seco river, Santa Lucia Mts Comment
  UC420725  Rhamnus rubra Franklin P. Nutting 1920-8-1 Modoc Big Valley Mts. Comment
  UC61097  Rhamnus rubra Milo S. Baker 1893-1 Modoc Egg Lake Comment
  CAS-BOT-BC6201  Rhamnus rubra subsp. modocensis Elmer Ivan Applegate 1897-5-31 863 Modoc 7 mi. SE of Dry Lake. Comment
  JEPS114532  Rhaponticum repens Lowell Ahart, John Dittes 2008-8-25 15309 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC225860  Ribes aureum L. A. M. Black 1894-5-1 73 Modoc Willow Ranch. Comment
  UC1191523  Ribes aureum Verne Grant, Irving Schneider 1947-7-22 8157 Modoc 1 mi nw Highway 395 (on road leading to s end of Goose Lake, meadow at headwaters of river); North Fork of Pit River Comment
  UC75442  Ribes californicum Milo S. Baker 1898-4-20 627 Modoc Taylor Mt. Comment
  CAS-BOT-BC225884  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-5-12 4107 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC248354  Ribes cereum B. Bartholomew; H. Sun 2002-6-24 8837 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  JEPS49423  Ribes cereum W. L. Jepson 1918-8-7 7860 Modoc Mt. Bidwell 1981 Comment
  UC1281035  Ribes cereum H. E. McMinn 1931-5-23 2462 Modoc Cedarville Road Warner Mts. 1889 Comment
  UC570832  Ribes cereum F. H. Frost 1925-7-11 39 Modoc 2 mi above Cedarville (Cedar Canyon); Warner Mts. Comment
  UC73103  Ribes cereum Milo S. Baker 1893-1 Modoc Egg Lake 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
  HSC80728  Ribes montigenum G. M. Riegel 1979-7-30 621 Modoc S Warner Mtns. 1829 Comment
  UC11556  Ribes nevadense Milo S. Baker 1893-6 Modoc 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
  JEPS49236  Ribes velutinum L. S. Smith 1918-8-13 1033 1/2 Modoc Lost Lake South Warner Mts. 2286 Comment
  CAS-BOT-BC225924  Ribes velutinum John H. Hatton 1911-6-22 136 Modoc Huffman Ranch. 1615 Comment
  RSA0019692  Ribes velutinum E. K. Balls 1950-5-13 14666 Modoc Goose Lake, east shore near Willow Ranch. 1463 Comment
  CAS-BOT-BC50371  Rigiopappus leptocladus Bruce Bartholomew 1990-6-18 5385 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UC579731  Rigiopappus leptocladus David D. Keck and J. Clausen 1935-6-24 3715 Modoc 3 mi ne Willow Ranch (e of Goose Lake) 1550 Comment
  UC748493  Rigiopappus leptocladus Annie M. Alexander and Louise Kellogg 1946-6-17 4789 Modoc 10 mi ne Alturas (Cedar Pass road) 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
  CHSC100463  Rorippa austriaca Lowell 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. 1273 Comment
  UCD115242  Rorippa austriaca W. S. Ball 1937-6-27 s.n. Modoc Corporation Ranch. Comment
  UCD115244  Rorippa austriaca Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch in Likely. Comment
  CHSC67098  Rorippa columbiae James D. Jokerst 1987-6-26 2942 Modoc Fairchield Swamp. Comment
  CAS-BOT-BC58381  Rorippa curvisiliqua Bruce Bartholomew 1991-6-21 5814 Modoc N side of Mud Lake, 5.8 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC58421  Rorippa curvisiliqua Robert Folger Thorne; C. W. Tilforth 1969-9-5 39170 Modoc Margins of Clear Lake, Warner Mts. 1767 Comment
  CAS-BOT-BC58418  Rorippa curvisiliqua Leland S. Smith 1922-7-7 1261 Modoc Near Ft. Bidwell, along boundary of Forest. 1737 Comment
  JEPS117375  Rorippa curvisiliqua var. orientalis Lowell Ahart, John Dittes 2010-8-30 17074 Modoc About 10 yards west of the fence, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA210832  Rorippa islandica R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39021 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  CAS-BOT-BC58454  Rorippa nasturtium-aquaticum Bruce Bartholomew; Barrett Anderson 1989-6-2 4783 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC95038  Rorippa palustris var. hispida Verne Grant; I. Schneider 1947-7-19 8077 Modoc William Ranch, along Southern Pacific right-of-way near East Canal, in Pit Valley S of Alturas. Comment
  CAS-BOT-BC95040  Rorippa sinuata Annie Montague Alexander; L. Kellogg 1946-6-20 4811 Modoc Eagleville. 1440 Comment
  HSC19613  Rosa woodsii subsp. ultramontana M. T. Milligan 1964-7-1 103 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  CAS-BOT-BC218247  Rosa woodsii var. ultramontana Philip Alexander Munz 1951-9-14 16977 Modoc Jess Valley, 13 mi. E of Likely. 1630 Comment
  UC467685  Rosa woodsii var. ultramontana Milo S. Baker 1898-1 Modoc Forestdale Comment
  RSA520485  Rubus parviflorus Bruce Bartholomew 1989-7-14 4929 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  HSC17601  Rumex californicus M. T. Milligan 1965-6-26 318 Modoc N end Jess Valley. 1616 Comment
  HSC17607  Rumex californicus M. T. Milligan 1966-7-3 550 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC211340  Rumex crispus Bruce Bartholomew 1991-7-6 5964 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  JEPS127307  Rumex crispus Lowell Ahart, John Dittes 2016-7-14 21192 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
  CDA2898  Rumex crispus G. D. Barbe, J. Kelley 1988-7-2 4296 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  CAS-BOT-BC211302  Rumex lacustris Herbert Louis Mason; Verne Grant 1947-7-10 13336 Modoc Dorris Reservoir, 2 mi E of Alturas. Comment
  CAS-BOT-BC211347  Rumex lacustris Elmer Ivan Applegate 1936-5-4 10238 Modoc Lava Beds National Monument. Lake margin in Hospital Rock. Comment
  RSA59805  Rumex lacustris E. K. Balls 1950-5-17 14731 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  UC465814  Rumex occidentalis W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head of North Fork Parker Creek Warner Mountains 2225 Comment
  CDA23183  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  JEPS58031  Rumex salicifolius var. lacustris Frances D. Payne 1933-8-6 773 Modoc 2 mi sw Warren Mt. (se Modoc County); Pine Creek Basin 2316 Comment
  UC748315  Rumex salicifolius var. salicifolius Annie M. Alexander and Louise Kellogg 1946-8-3 5113 Modoc Head of Eagle Creek Warner Mountains Comment
  CHSC117359  Rumex transitorius Lowell Ahart; John Dittes 2016-7-14 21194 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS127298  Rumex transitorius Lowell Ahart, John Dittes 2016-7-14 21194 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC211316  Rumex triangulivalvis John Thomas Howell 1934-6-15 12189 Modoc Alturas. Comment
  CAS-BOT-BC245207  Sagittaria cuneata Louis Cutter Wheeler 1935-8-5 3787 Modoc Little Lily Lake. 2286 Comment
  SEINET8466591 Image available Sagittaria cuneata R. F. Thorne, C. W. Tilforth 1969-9-4 39058 Modoc 2 mi W of Davis Creek (town), S of Goose Lake. 1341 Comment
  UCD150426  Sagittaria cuneata Harry A. George 1967-6-15 s.n. Modoc Egg Lake. Comment
  UC481846  Salix eastwoodiae Frances D. Payne 1931-7-8 177 a Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481848  Salix eastwoodiae Frances D. Payne 1931-6-25 275 a Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481862  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225776  Salix exigua H. P. Bracelin 1934-6-13 817 Modoc E side of Bidwell Mt. near foot of grade, about 6 mi. N of Fort Bidwell. Comment
  LA208609  Salix exigua Mrs. H. P. Bracelin; 1931-6-30 501 Modoc Alturas, at SW end of town 1360.0 Comment
  NY187445  Salix exigua F. D. Payne 1931-6-30 495 Modoc Parker Creek, 20 km east of Alturas. Meadow south of Payne Ranch 1560 Comment
  POM218951  Salix exigua H. P. Bracelin, Frances D. Payne 1931-6-30 494 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  RSA152680  Salix exigua I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16365 Modoc Pit River. 3.9 miles N of Alturas. Comment
  UC481821  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc sw end of town Alturas 1360 Comment
  RSA0030831  Salix exigua H. P. Bracelin, Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km. east of Alturas. 1560 Comment
  UC71754  Salix exigua var. hindsiana Mrs. M. H. Manning 1903-4-23 78 Modoc near Fort Bidwell Fort Bidwell; n.e. Modoc Co. Comment
  CAS-BOT-BC197555  Salix geyeriana Louis Cutter Wheeler 1935-9-11 3969 Modoc Fletcher Creek, Devil's Garden. 1524 Comment
  RSA610748  Salix geyeriana Louis C. Wheeler 1935-9-11 3969 Modoc Devils Garden: Mulkey Place, Fletcher Creek. 1524 Comment
  CAS-BOT-BC229688  Salix lasiandra subsp. caudata H. Paul Arnaud 1967-8-12 s.n. Modoc Cedar Pass Campground. 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
  UC1408969  Salix lasiandra var. caudata R. F. Thorne and C. W. Tilforth 1969-9-5 39144 Modoc ca. 6 mi. e. Likely (along S. Fork Pit River above junction with West Creek at Public Campground); S. Fork Pit River 1402 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-BC197553  Salix lasiolepis var. lasiolepis H. P. Bracelin 1934-6-16 825 Modoc Rush Creek Bridge, 5 mi. N of Adin. Comment
  CAS-BOT-BC229672  Salix lasiolepis var. lasiolepis H. P. Bracelin 1931-6-29 487 Modoc Halfway between Adin and Canby. 1350 Comment
  POM209559  Salix lemmonii Frances D. Payne 1934-08 778 Modoc Pine Creek Basin. Warner Mtns. 2317 Comment
  RSA59371  Salix lemmonii E. K. Balls 1950-5-11 14622 Modoc 4 miles S of Fort Bidwell. W of Upper Lake. 1402 Comment
  POM107155  Salix lemmonii var. macrostachya R. M. Austin 1895-05 s.n. Modoc Davis Creek Comment
  RSA152632  Salix ligulifolia I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16367 Modoc Pit River. Ca 3.9 miles N of Alturas. Comment
  RSA252406  Salix lucida subsp. caudata Robert F. Thorne, C. W. Tilforth 1969-9-5 39144 Modoc Along S Fork of Pit River above jct,. with West Creek at Public Campground. Ca 6 miles E of Likely. 1402 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-BC229850  Salix melanopsis H. P. Bracelin; Francis Dorris Payne 1931-6-30 491 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  NY187397  Salix melanopsis F. D. Payne 1931-6-30 493 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  CAS-BOT-BC229837  Salix scouleriana C. L. Hitchcock 1940-5-27 6698 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC229841  Salix scouleriana Francis Dorris Payne 1933-8-1 777 Modoc Pine Creek Basin, Warner Mts., about 50 feet from marsh. 2316 Comment
  RSA628302  Salsola tragus L. C. Wheeler 1973-1 s.n. Modoc North end of Big Mud Lake. 1645 Comment
  CAS-BOT-BC179252  Salvia aethiopis B. Bartholomew 1995-7-31 7078 Modoc Ca. 1.6 km N of turn off to Cedarville on U.S. Hwy 395. 1350 Comment
  SJSU6170  Salvia dorrii var. incana J. W. Tilden 1958-6-25 1262 Modoc near Monument Headquarters, Lava Caves, Lava Beds National Monument Comment
  CAS-BOT-BC179246  Salvia dorrii var. pilosa Alice Eastwood; John Thomas Howell 1940-6-12 8041 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC184100  Salvia dorrii var. pilosa Clare B. Hardham 1961-6-17 7529 Modoc Between Alturas and Susanville 1524 Comment
  SEINET3158619  Salvia lemmonii E. K. Balls 1950-5-11 14622 Modoc 4 mi S of Fort Bidwell, W of Upper Lake 1402 Comment
  RSA202437  Sanguisorba annua Jack Major 1966-6-24 s.n. Modoc Above Goose Lake. W side of Fandango Pass. 1646 Comment
  CAS-BOT-BC15678  Sanicula graveolens Bruce Bartholomew 1992-5-16 6335 Modoc NW side of Sweagert Flat. 1850 Comment
  CAS-BOT-BC15723  Sanicula graveolens Alice Eastwood; John Thomas Howell 1940-6-13 8186 Modoc W side of Cedar Pass. Comment
  NY1101597  Sanicula graveolens B. M. Bartholomew 1989-6-2 4840 Modoc Vicinity of Stough Reservoir, Warner Mountains 1950 Comment
  NY1101601  Sanicula graveolens K. Paulson 1988-5-24 13 Modoc Parker Creek Road, Warner Mountains 1646 Comment
  UCD98476  Saponaria officinalis Verne Grant; Irving Schneider 1947-8-24 8256 Modoc in pastuer at south end of Jess Valley in Warner Mountains. Comment
  CAS-BOT-BC95569  Sarcobatus vermiculatus Bruce Bartholomew; Barrett Anderson 1989-6-1 4763 Modoc S end of Goose Lake. 1460 Comment
  CAS-BOT-BC95570  Sarcobatus vermiculatus Elmer Ivan Applegate 1897-6-1 3035 Modoc Between Canby and Alturas. Comment
  UC748344  Saxifraga oregana Annie M. Alexander and Louise Kellogg 1946-7-18 5027 Modoc Benton Meadow; Warner Mountains, Benton Meadow 2072 Comment
  NY784265  Saxifraga oregana var. oregana B. Anderson 1986-7-10 3199 Modoc Warner Mountains. West Warner Road at the North Fork of Pine Creek. 1935 Comment
  JEPS114500  Schoenoplectus acutus var. occidentalis Lowell Ahart, John Dittes 2008-8-25 15316 Modoc At water's edge, on the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91,about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  RSA210790  Schoenoplectus pungens Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39072 Modoc South end of Goose Lake 1433 Comment
  CHSC100354  Scirpus microcarpus Lowell Ahart; John Dittes 2008-8-26 15354 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  SEINET4170939  Scirpus microcarpus Verne Grant, Irving Schneider 1947-7-22 8152 Modoc Headwaters of North Fork of Pit River, 1 mi N. W. of Hwy. 395 on dirt road leading to S. end of Goose Lake Comment
  UC1100887  Scirpus nevadensis Herbert L. Mason, Verne Grant 1947-7-12 13436 Modoc n Likely (Corporation Ranch Headquarters); , n of Likely Comment
  HSC21139  Scrophularia californica R. C. Wunner 1965-6-20 215 Modoc California Lava Beds National Monument, Garden Bridges Cave 1524 Comment
  CAS-BOT-BC197837  Scrophularia lanceolata Bruce Bartholomew; Barrett Anderson 1989-6-3 4870 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC179232  Scutellaria antirrhinoides Belknap C. Goldsmith 1912-7-1 60 Modoc Little Hot Spring Valley. 1219 Comment
  JEPS94083  Scutellaria antirrhinoides Vernon H. Oswald and Lowell Ahart 1998-9-8 9593 Modoc ca. 0.5 mi. air n.e. Lookout Junction (County Rd. 95 at Taylor Creek n.w. of Lookout) 1280 Comment
  CAS-BOT-BC179224  Scutellaria nana B. Bartholomew 1991-8-5 6030 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CAS-BOT-BC179217  Scutellaria nana Fred P. Cronemiller, Jr. 1920-6-10 5 Modoc McKenzie Spring. 1341 Comment
  RSA14138  Scutellaria nana Elmer I. Applegate 1897-6-2 890 Modoc Near Alturas. Comment
  UC25817  Scutellaria nana Milo S. Baker 1893-7-8 Modoc Comment
  HSC1972  Secale cereale M. T. Milligan 1964-6-4 23 Modoc East D St. between 4th and 5th St., Alturas 1372 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
  UC205191  Sedum lanceolatum M. F. Gilman 512 Modoc Comment
  SFV17482  Sedum stenopetalum P. Wilson 1998-7-20 3540 Modoc About 1 mile north of Cedar Pass off Highway 299. 1900 Comment
  UC748223  Sedum stenopetalum Annie M. Alexander and Louise Kellogg 1946-8-8 5123 Modoc Patterson Lake Trail , Patterson Lake Trail (Warner Mountains) Comment
  SEINET8552536  Sedum stenopetalum M. J. Williams 1962-7-8 s.n. Modoc N of Cedar Pass. 2134 Comment
  SJSU9705  Sedum stenopetalum W. Savage 1979-7-10 1526 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  UC11230  Sedum stenopetalum Mrs. R. M. Austin Aug. 1894 Modoc hills e Goose Lake; hills e of Goose Lake Comment
  CAS-BOT-BC95619  Sedum stenopetalum subsp. stenopetalum Frederick H. Frost 1925-7-13 75 Modoc Summit, Cedar Canyon, Warner Mts. Comment
  SD47967  Sedum stenopetalum subsp. stenopetalum Herbert L. Mason 1957-7-6 14719 a Modoc Mill Creek, Warner Mountains. Comment
  RSA84213  Sedum stenopetalum subsp. stenopetalum F. W. Peirson 1926-6-25 6866 Modoc West slope of Warner Mountains on Cedarville Road. Comment
  CAS-BOT-BC50338  Senecio aronicoides Robert Patterson; Mona Bourell 1993-8-15 5269 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC50340  Senecio aronicoides Bruce Bartholomew; Barrett Anderson 1989-6-1 4766 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  CDA35637  Senecio aronicoides J. R. Keck Jr., Pfeiffer 1985-6-6 PDR# 237689 Modoc On USFS Road 56, west of Lookout-Hackamore Road. 0 Comment
  SEINET191900  Senecio canus Mrs. H. C. Cantelow 1940-6-2 Modoc 4 miles west of Alturas Comment
  CAS-BOT-BC50282  Senecio hydrophiloides Bruce Bartholomew; Barrett Anderson 1988-7-22 4546 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  UC1169382  Senecio hydrophiloides R. Ornduff 1957-7-6 4229 Modoc 1 mi w Benton Meadow; Warner Mountains Comment
  UC91663  Senecio hydrophilus Mrs. R. M. Austin Sept 1894 Modoc shores Goose Lake Comment
  UCSB30288  Senecio integerrimus Hardham, Clare 1961-6-18 Modoc Cedar Pass 1828 Comment
  CAS-BOT-BC50253  Senecio integerrimus var. exaltatus K. Paulson; Robert Paulson 1989-5-8 110 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC50255  Senecio integerrimus var. exaltatus Annie Montague Alexander; L. Kellogg 1946-6-5 4663 Modoc Emerson Creek, S of Eagleville, Warner Mountains 2133 Comment
  CAS-BOT-BC50257  Senecio integerrimus var. exaltatus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 43 Modoc Parker Creek, at Modoc National Forest boundary Comment
  CAS-BOT-BC50298  Senecio integerrimus var. exaltatus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16412 Modoc Cedar Pass. 1921 Comment
  CDA8649  Senecio integerrimus var. exaltatus T. C. Fuller 1963-6-11 10651 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  JEPS30375  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-29 17880 Modoc 3.4 mi e Cedar Pass; Warner Mountains Comment
  CAS-BOT-BC498676  Sidalcea asprella subsp. asprella Mrs. R. M. Austin; Bruce 1898-7-1 22064 Modoc Lake shore Comment
  CAS-BOT-BC179070  Sidalcea oregana subsp. oregana Bruce Bartholomew; Barrett Anderson 1988-6-23 4235 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC179089  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-12 8068 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC179096  Sidalcea oregana subsp. oregana E. S. Willits 1940-5-17 259 Modoc Willow Ranch. Comment
  UC1124994  Sidalcea oregana subsp. oregana R. C. Wilson 1933-7-12 62 Modoc s Likely Mill; Modoc National Forest, Alturas Quad. Comment
  CAS-BOT-BC179057  Sidalcea oregana subsp. spicata Annie Montague Alexander; L. Kellogg 1946-7-18 5024 Modoc Benton Meadow. 2072 Comment
  JEPS67277  Sidalcea oregana subsp. spicata Frances D. Payne 1931-6-17 179 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  RSA666420  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc West side of Highway 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument. 1250 Comment
  SD211635  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc West side Highway 139 just South of where it crosses railroad at junction to Clear Lake, Northeast of Dry Lake East of Lava Beds National Monument, near dry drainages 1250 Comment
  JEPS3938  Sidalcea oregana subsp. spicata N. T. Mirov 1929-6-28 Modoc Fandango Valley Warner Mountains, Fandango Valley 1584 Comment
  RSA448222  Sidalcea oregana subsp. spicata George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains 1829 Comment
  CAS-BOT-BC95263  Silene lemmonii Bruce Bartholomew 1991-7-6 5997 Modoc Rush Creek above Upper Rush Creek Camp Ground. 1580 Comment
  HSC25438  Silene lemmonii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19465 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC95265  Silene menziesii John Thomas Howell 1934-6-12 12027 Modoc Plum Valley, Warner Mts. Comment
  HSC80713  Silene menziesii G. M. Riegel 1980-8-6 1001 Modoc South Warner Mountains 1670 Comment
  NY452818  Silene menziesii A. Tiehm 1984-6-30 8840 Modoc Northwest side of Bidwell Mountain, 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828.8 Comment
  UC120151  Silene menziesii Mrs. R. M. Austin Aug. 1894 93 Modoc Lassen Creek Comment
  HSC4222  Silene menziesii M. T. Milligan 1964-7-4 216 Modoc Lassen Creek above lower campground 1829 Comment
  CAS-BOT-BC95275  Silene oregana Bruce Bartholomew 1989-7-15 5022 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC95277  Silene oregana Leland S. Smith 1918-7-10 982 Modoc Mill Creek. 2133 Comment
  CHSC106340  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
  UCD115532  Sisymbrium altissimum J. M. Tucker 1950-7-25 1968 Modoc beside Highway 139, 26.4 miles southwest of Tule Lake. Comment
  CAS-BOT-BC245084  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1993-6-12 6602 Modoc Tom Large Flat, W of Egg Lake. 1260 Comment
  JEPS62126  Smilacina racemosa Frances D. Payne 1931-6-21 226 Modoc ridge w Dry Creek (creek is a tributary of Parker Creek, s and e of Alturas); Warner Mountains 1981 Comment
  CAS-BOT-BC245426  Solanum triflorum Verne Grant; Herbert Louis Mason 1947-7-10 13341 Modoc Doris Reservoir, 2 miles east of Alturas Comment
  HSC65391  Solanum triflorum Thomas Wood 1979-8-8 222 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  CDA21314  Solidago canadensis L. Smith 2007-7-26 PDR 1291662 Modoc Modoc Plateau; County Rd 1, Lake City. 0 Comment
  CAS-BOT-BC54286  Solidago spectabilis Herbert Louis Mason 1947-8-9 13459 Modoc Ingalls Swamp, N of Big Sage Reservoir. Comment
  UC1192251  Solidago spectabilis Herbert L. Mason 1947-8-11 13497 Modoc On Highway 81, west margin of Lower Lake, near boundary, between Lassen and Modoc counties. Comment
  CAS-BOT-BC54284  Solidago velutina subsp. californica Bruce Bartholomew 1989-8-10 5046 Modoc 8.7 km E of Day on County Road 94. Comment
  POM140052  Sorbus californica M. S. Baker 1898-7-20 s.n. Modoc Taylor Creek. Forestdale. Comment
  UC46335  Sorbus scopulina var. cascadensis Frances D. Payne 1931-6-21 230 Modoc Parker Creek, s and e of Alturas (w of Dry Creek); Warner Mountains 1981 Comment
  UC673575  Spiranthes romanzoffiana F. H. Frost 1925-7-24 131 Modoc Jess Valley Warner Mts. Comment
  CHSC70471  Stachys ajugoides var. rigida A. Sanger 1996-8-7 2446 Modoc In small interimit stream, S end of Cedar Pass CG. 1767 Comment
  UC748040  Stachys palustris subsp. pilosa Annie M. Alexander and Louise Kellogg 1946-7-12 4984 Modoc Twelve Mile Creek, ne corner of county Twelve Mile Creek Comment
  SEINET5337329  Stellaria longipes M. H. Manning 144 Modoc Near Forb Bidwell Comment
  CAS-BOT-BC95294  Stellaria longipes var. longipes Bruce Bartholomew 1991-6-23 5870 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  CAS-BOT-BC95296  Stellaria longipes var. longipes M. M. Hanna 1956-6-7 1020 Modoc Hwy 139, between Canby and Tienesta. Comment
  JEPS90801  Stellaria umbellata Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10473 Modoc Warner Mountains, North Emerson Lake margin North Emerson Lake margin; Warner Mountains, North Emerson Lake margin 2392 Comment
  NY453094  Stellaria umbellata L. C. Wheeler 1935-8-1 3729 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Mountains 2225.0 Comment
  RSA610789  Stellaria umbellata L. C. Wheeler 1935-8-1 3729 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  RSA164370  Stenotus acaulis Clare B. Hardham 1961-6-18 7570 Modoc Hills S of Cedar Pass. 1829 Comment
  SEINET10674650  Stenotus acaulis Charles L. Hitchcock 1940-5-27 Hitchcock 6668 Modoc 15 miles northeast of Alturas. On sagebrush knoll. 5300 ft. 1615 Comment
  CAS-BOT-BC54260  Stenotus stenophyllus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6440 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  CAS-BOT-BC54269  Stephanomeria spinosa Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10617 Modoc Summit of Fandango Pass. 1889 Comment
  CAS-BOT-BC54270  Stephanomeria spinosa E. S. Willits 1939-10-10 168 Modoc Surprise Valley. Comment
  RSA531364  Stephanomeria spinosa Bruce Bartholomew, B. Anderson 1990-7-21 5566 Modoc N Barber Creek, road to Surprise Valley to Patterson Ranger Station, E side of Warner Mtns. 1710 Comment
  CHSC109448  Stipa thurberiana L. P. Janeway; B. Castro 2012-7-28 11038 Modoc Warner Mountains. At Obsidian Needles Obsidian Collecting Area; along Road 45N34 overlooking North Fork Davis Creek about 6.0 air km east-northeast of the community of Davis Creek (on Hwy 395). 1905 Comment
  CAS-BOT-BC95049  Streptanthella longirostris Bruce Bartholomew 1991-5-24 5702 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  CAS-BOT-BC95052  Streptanthella longirostris Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6460 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  NY188821  Streptanthella longirostris B. M. Bartholomew 1991-5-24 5702 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  NY188846  Streptanthella longirostris B. M. Bartholomew 1989-6-2 4833 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 472.4 Comment
  UC1075762  Streptanthus cordatus Robert J. Weatherby 1955-7-8 1628 Modoc 6 mi n Ft. Bidwell; Warner Mts. 1645 Comment
  UC705857  Streptanthus cordatus Marion Ownbey and Fred G. Meyer 1940-7-1 2135 Modoc Cedar Pass Warner Mts. Comment
  UC69638  Streptanthus cordatus Mrs. M. H. Manning June 1904 389 Modoc open mt. side Ft. Bidwell (ne Modoc Co.) 1706 Comment
  CAS-BOT-BC95061  Streptanthus cordatus var. cordatus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2135 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95071  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-22 4815 Modoc Bidwell Creek, 2 mi. above Fort Bidwell. Comment
  CAS-BOT-BC242261  Stuckenia pectinata Verne Grant; I. Schneider 1947-7-19 8085 Modoc S of Williams ranch house, N of Likely. Comment
  UCD138335  Stuckenia striata Robert F. Thorne; J. Henrickson, C. W. Tilforth 1969-9-4 39084 Modoc east shore of Goose Lake at Willow Ranch. 1432 Comment
  CAS-BOT-BC95579  Suaeda nigra Elmer Ivan Applegate 1932-7-6 8200 Modoc E side of Middle Lake, Surprise Valley. Along the Nevada state line. Comment
  CAS-BOT-BC180101  Swertia albicaulis var. albicaulis John Thomas Howell 1934-6-30 12294 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC180110  Swertia albicaulis var. albicaulis Bruce Bartholomew; Barrett Anderson 1989-6-2 4808 Modoc 9.3 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC180094  Swertia albicaulis var. nitida John H. Hatton 1911-6-20 127 Modoc Modoc County. Comment
  RSA504676  Symphoricarpos oreophilus Bruce Bartholomew, B. Anderson 1988-7-22 4489 Modoc Vicinity of E Creak Trailhead, southern end of the Warner Mtns. 2210 Comment
  CAS-BOT-BC245868  Symphoricarpos rotundifolius Mrs. R. M. Austin No date on label. 50 Modoc Hills west of Goose Lake Comment
  CAS-BOT-BC95198  Symphoricarpos rotundifolius var. rotundifolius Bruce Bartholomew; Barrett Anderson 1990-7-20 5510 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  HSC4012  Symphoricarpos rotundifolius var. rotundifolius M. T. Milligan 1966-7-3 541 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  HSC4013  Symphoricarpos rotundifolius var. rotundifolius M. T. Milligan 1965-6-30 395 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  JEPS22820  Symphoricarpos rotundifolius var. rotundifolius Mrs. R. M. Austin Aug 1894 Modoc Lassen Creek 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
  UC190694  Symphoricarpos rotundifolius var. rotundifolius M. F. Gilman 641 Modoc mountains 1828 Comment
  UC71844  Symphyotrichum ascendens Mrs. M. H. Manning Sep 1 1902-Oct 1 1902 18 Modoc Ft. Bidwell Comment
  JEPS22082  Symphyotrichum bracteolatum W. L. Jepson 1918-8-12 7950 Modoc Jess Valley 1584 Comment
  UC1192202  Symphyotrichum bracteolatum Verne Grant and Irving Schneider 1947-7-22 8156 Modoc 1 mi nw, at headwaters N Fk of Pit R., on dirt rd leading to s end Goose Lake Highway 395; North Fork Pit River Comment
  UC1192166  Symphyotrichum bracteolatum Verne Grant and Irving Schneider 1947-8-28 8332 Modoc nw of, at Jack Swamp Alturas Comment
  CAS-BOT-BC15152  Symphyotrichum foliaceum var. parryi Annie Montague Alexander; L. Kellogg 1946-7-12 4987 Modoc Twelve Mile Creek, northeast corner of county Comment
  CAS-BOT-BC15224  Symphyotrichum foliaceum var. parryi Bruce Bartholomew 1990-8-5 5678 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  UC1192204  Symphyotrichum spathulatum Verne Grant and Irving Schneider 1947-7-20 8093 Modoc s of Alturas ((Jones Lane by first bridge w of Highway 395)) Comment
  CAS-BOT-BC15171  Symphyotrichum spathulatum var. spathulatum Herbert Louis Mason 1947-8-9 13480 Modoc East side of Fairchild Swamp, N of Alturas. Comment
  CHSC30633  Synthyris missurica NEH Prouty 1980-6-2 174 Modoc Modoc National Forest, Warner Mt. District. Sheep Rock T.S. Comment
  RSA59370  Taraxacum officinale E. K. Balls 1950-5-11 14623 Modoc 8.1 mi NE of Fort Bidwell, above Cowhead Lake, along 8 mile Creek. 1463 Comment
  UC20479  Taraxia subacaulis Milo S. Baker 1893-7-1 Modoc edge of meadow Comment
  SJSU9590  Taraxia tanacetifolia W. Savage 1979-7-5 1355 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD107059  Taraxia tanacetifolia P. Quentin Tomich 1954-7-13 439 Modoc Tionesta. Comment
  JEPS15479  Taraxia tanacetifolia Joseph and Hilda Grinnell 1938-6-16 1115 a Modoc flat land near Cow Head Lake 1676 Comment
  SJSU4288  Taraxia tanacetifolia R. L. Fisher 1958-6-14 Modoc 15 mi E of Alturas 1676 Comment
  JEPS114493  Tetradymia canescens Lowell Ahart, John Dittes 2008-8-25 15299 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout 1273 Comment
  JEPS20876  Tetradymia canescens W. L. Jepson 1918-8-12 7948 Modoc Jess Valley 1584 Comment
  JEPS5951  Tetradymia canescens Frances D. Payne 1932-8-1 756 Modoc s and e Alturas; Warner Mountains, Parker 1828 Comment
  CAS-BOT-BC217129  Thalictrum fendleri Elmer Ivan Applegate 1932-8-7 8244 Modoc Lily Lake, Bidwell Pass, Warner Mts. Comment
  HSC18233  Thalictrum fendleri M. T. Milligan 1967-7-8 660 Modoc W slope of Eagle Peak 2439 Comment
  JEPS60732  Thalictrum fendleri Frances D. Payne 1931-6-25 268 Modoc 2 mi sw Mt. Warren (se Modoc Co.); Pine Creek Basin 2316 Comment
  RSA520460  Thalictrum fendleri K. Paulson, R. Paulson 1989-6-21 146 Modoc Pine Creek Basin, W side of the Warner Mts. 2110 Comment
  RSA551271  Thelypodium flexuosum Bruce Bartholomew 1991-5-24 5696 Modoc Surprise Valley, 5.1 km E of Eagleville 1370 Comment
  CHSC85174  Thelypodium howellii subsp. howellii John Dittes; Josephine Guardino 1991-7-21 384 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  NY215709  Thelypodium milleflorum B. M. Bartholomew 1990-6-17 5339 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  SEINET3131788  Thermopsis argentata M. S. Baker 1899-8-14 sn Modoc Forestdale Comment
  CAS-BOT-BC5492  Thermopsis californica var. argentata Milo S. Baker 1894-8-1 s.n. Modoc Big Valley Mts. Comment
  RSA0049723  Thermopsis californica var. argentata Dean Wm. Taylor 2013-6-7 21369 Modoc 11 miles North of Lookout; along Forest Road 42N03 about 1.2 road miles west from County Road 91 (Lookout to Tulelake) 1350 Comment
  RSA104147  Thermopsis californica var. argentata Milo S. Baker 1894-06 s.n. Modoc Forestdale Comment
  UC54938  Thermopsis macrophylla var. argentata Milo S. Baker 1899-8-14 Modoc Forestdale (Egg Flat) Comment
  CAS-BOT-BC95085  Thlaspi arvense E. S. Willits 1940-5-17 269 Modoc Willow Ranch. Comment
  CAS-BOT-BC95083  Thlaspi arvense Leland S. Smith 1919-5-4 1092 Modoc Alturas-Plateau. 1371 Comment
  CDA25249  Thlaspi arvense C. B. Greenbank 1980-5-8 Modoc Clyde Huffman ranch, Tulelake. 0 Comment
  CDA3889  Thlaspi arvense T. C. Fuller 1963-6-11 10652 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  CDA3891  Thlaspi arvense T. C. Fuller 1958-7-8 1936 Modoc Corporation Ranch, Likely. 0 Comment
  CHSC114923  Thlaspi arvense D. B. Joley 1976-6-23 3 Modoc Likely, near Alturas. Comment
  UCD115576  Thlaspi arvense W. S. Ball 1937-6-28 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC58701  Tiquilia nuttallii Bruce Bartholomew 1993-6-13 6629 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  UCD93194  Torreyochloa pallida var. pauciflora August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  CDA7715  Tragopogon dubius T. C. Fuller 1960-7-8 4716 Modoc South of 4th Street, east of East Street, Alturas. 0 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
  CAS-BOT-BC179195  Trichostema simulatum Bruce Bartholomew 1989-7-14 4960 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  UC100820  Trifolium cyathiferum Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA91394  Trifolium cyathiferum F. W. Peirson 1926-6-25 6893 Modoc small side canyon 1 mile east of summit of Warner Mts., on Cedarville Road 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
  NY717075  Trifolium gymnocarpon var. plummerae B. M. Bartholomew 1993-5-10 6471 Modoc 1.6 km northeast of Fee Reservoir Road on Barrel Spring Road, north end of Surprise Valley 1600 Comment
  CAS-BOT-BC181774  Trifolium hybridum Bruce Bartholomew 1995-8-1 7169 Modoc Ca. 1.6 km SE of Fort Bidwell on Fee Rd. 1390 Comment
  SJSU7960  Trifolium hybridum H. L. Buckalew 1961-7-4 Modoc Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts. 1920 Comment
  NY802651  Trifolium kingii var. productum B. M. Bartholomew 1988-6-24 4307 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains 2130 Comment
  UC748302  Trifolium kingii var. productum Annie M. Alexander and Louise Kellogg 1946-6-25 4821 Modoc Dismal Swamp Warner Mtns (n end of mtns) 2255 Comment
  CAS-BOT-BC181734  Trifolium macrocephalum Annie Montague Alexander; L. Kellogg 1946-6-26 4837 Modoc Dismal Swamp. 2255 Comment
  CHSC118091  Trifolium macrocephalum L. P. Janeway 2016-5-17 12009 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir 1544 Comment
  JEPS65938  Trifolium macrocephalum L. S. Smith 1917-6-10 35 Modoc Jess Valley Warner Mountains 1524 Comment
  JEPS50701  Trifolium macrocephalum Wayne Roderick 1963-6-9 Modoc In the Warner Mountains, north of campground on east side of Cedar Pass. About 1 mi (by bad road) up to collection site. Comment
  OBI47078  Trifolium macrocephalum Rhonda Riggins 1989-4-28 1661 Modoc Pencil Rd, 4.4 mi N of hwy 395 E of Alturas. T34N, R12E, sec 13 1524 Comment
  UC485386  Trifolium macrocephalum Franklin P. Nutting Modoc meadow near Whitehorse Lake Comment
  CAS-BOT-BC180172  Trifolium microcephalum Bruce Bartholomew 1991-7-6 5956 Modoc 2 km above Lower Rush Creek Campground along Rush Creek. 1500 Comment
  CHSC112759  Trifolium wormskioldii Lowell Ahart; John Dittes 2013-7-24 18942 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
  CAS-BOT-BC245031  Triglochin maritima Ira L. Wiggins; Dorothy B. Wiggins 1961-6-13 16445 Modoc Lane on Phipp's Ranch, ca. 14 mi. N of Cedarville, Surprise Valley Comment
  HSC65263  Trisetum spicatum J. P. Smith, J. O. Sawyer 1973-8-8 7223 Modoc Near summit of Eagle Peak 2988 Comment
  JEPS70750  Trisetum spicatum W. L. Jepson 1918-8-13 7972 Modoc on the summit Eagle Peak; Warner Mts. 3017 Comment
  SEINET5424184  Trisetum spicatum D. Charlet 1989-8-17 554 Modoc Warner Mountains, 1.3 km northwest of Eagle Peak 2550 Comment
  CAS-BOT-BC242158  Triteleia hyacinthina Bruce Bartholomew; Barrett Anderson 1988-6-23 4253 Modoc 4.2 km NW of Day. 1020 Comment
  JEPS64195  Triteleia hyacinthina Frances D. Payne 1931-6-18 187 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  UC1036063  Triteleia hyacinthina Annie M. Alexander and Louise Kellogg 1946-7-7 4927 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  SEINET8502707  Triteleia hyacinthina M. J. Williams 1983-7-29 83- 116 -5 Modoc Warner Mountains, N of Cedar Pass, 1.1 mi N of Stowe Reservoir Campground. 2088 Comment
  CAS-BOT-BC242194  Tulipa gesneriana Bruce Bartholomew 1994-5-15 6698 Modoc Adjacent to Davis Creek Cemetery. 1500 Comment
  UC1537627  Typha latifolia Gordon H. True Jr. 1939-7-21 1023 Modoc n Canby (Jack Swamp); Jack Swamp Comment
  CAS-BOT-BC245376  Urtica dioica subsp. holosericea Bruce Bartholomew; Barrett Anderson 1988-7-21 4437 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC404164  Urtica dioica subsp. holosericea Alice Eastwood; John Thomas Howell 1940-6-12 8101 Modoc Shields Creek near Alturas Comment
  CAS-BOT-BC179193  Utricularia vulgaris Willis Linn Jepson 1918-8-11 7935 Modoc Alturas. Comment
  UC71562  Vaccaria hispanica Mrs. M. H. Manning June, 1903 174 Modoc Fort Bidwell; north-eastesrn Modoc County Comment
  JEPS51166  Vaccaria hispanica W. L. Jepson 1918-8-9 7925 Modoc Lake City 1463 Comment
  UCD169490  Vaccaria hispanica Louis C. Wheeler 1935-8-6 3800 Modoc 1/2 mile south of Pine Creek (town). 1493 Comment