Search Results — 2000 specimen records retrieved (1333 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/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1001950  Abies Mrs. B. M. Berry 1954-10-7 3 Siskiyou in creek bed just below Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahan); Salmon Mountains 1828 Comment
  CAS-BOT-BC78123  Abies X shastensis Doris K. Kildale 1928-7-2 5336 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  HSC67827  Abies concolor J. O. Sawyer, J. Cole 1980-7-20 3762 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UC401382  Abies concolor Annie M. Alexander and L. Kellogg 1911-6-20 159 Siskiyou Jackson L. Comment
  RSA593944  Abies concolor L. C. Wheeler 1963-9-3 8338 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  HSC4985  Abies lasiocarpa J. O. Sawyer 1968-7-10 499 Siskiyou On trail to South Sugar Lake. 1982 Comment
  CHSC27348  Abies magnifica var. shastensis T. B. Devine 1976-10-23 363 Siskiyou Growing about 100 yds n of Little Duck Lake. 2042 Comment
Read comments
Apr 10 2006
  JEPS80586  Abies magnifica var. shastensis Gilbert Muth 1965-7-29 132 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1792 Comment
  RSA0091809  Abies magnifica var. shastensis Bonnie C. Templeton 1968-6-13 11332 Siskiyou Mount Shasta, near Panther Meadows. 2835 Comment
  HSC29625  Abies procera Frederick W. Oettinger, R. F. Thorne 1969-8-6 1239 Siskiyou Marble Mtn. Wilderness Area, below Pine Lake. Bulk Collection #50 1883 Comment
  HSC4977  Abies procera J. O. Sawyer 1968-9-9 669 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  LA206867  Abies procera C. B. Wolf; 1934-7-5 5969 Siskiyou Siskiyou Mountains, 2.8 mi from Dry Lake lookout on rd to Horse Creek 2133 Comment
  UC1199014  Acer glabrum Joseph P. Tracy 1935-8-1 14403 Siskiyou on ridge between Salmon and New Rivers (Rock Lake, at extreme head of West Fork of Knownothing Creek); Rock Lake, extreme head West Fork Knownothing Creek 1889 Comment
  CAS-BOT-BC330990  Acer glabrum var. glabrum Elmer I. Applegate 1923-9-7 3969 Siskiyou Siskiyou Mountains, Klamath River Watershed. Comment
  UC796498  Acer macrophyllum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11778 Siskiyou on forks of Salmon Road about 5.5 mi from Etna; Forks of Salmon road Comment
  SEINET7892714  Acer negundo subsp. californicum G. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  CAS-BOT-BC336931  Acer negundo var. californicum J. H. Thomas; T. C. Fuller; G. D. Barbe 1980-4-29 53406 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC18872  Achillea millefolium I. L. Wiggins 1955-7-27 13519 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC22299  Achillea millefolium J. O. Sawyer 1969-7-23 1170 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC61187  Achillea millefolium Al Hobart Siskiyou El Capitan Comment
  CAS-BOT-BC210721  Achnatherum lemmonii Louis C. Wheeler 1934-6-11 2682 Siskiyou Klamath National Forest. N. Hungry Cr. 1310 Comment
  JEPS449  Achnatherum lemmonii Geo. D. Butler 1909-6-13 830 Siskiyou M<?>ffitt Creek Comment
  CAS-BOT-BC216920  Achnatherum occidentale John Thomas Howell 1939-8-6 15087 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CHSC83256  Achnatherum occidentale subsp. californicum L. P. Janeway 2002-7-13 7643 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 kmk northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  SEINET255883  Achnatherum occidentale subsp. californicum Mary E. Barkworth, L. R. Firestone 1982-8-30 4095 Siskiyou Along roadside Cal 895 to Lassen Volcanic National Park from Weed; plentiful all along road south of Weed 975 Comment
  RSA238983  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1969-8-3 1141 Siskiyou Above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA603758  Achnatherum occidentale subsp. occidentale L. C. Wheeler 1935-6-27 3606 Siskiyou Head Etna Creek, Marble Mts. 1799 Comment
  UC1025021  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-11 3507 Siskiyou 4 mi e Medicine Lake (Glass Mountain); Glass Mountain Comment
  CDA28112  Achnatherum occidentale subsp. pubescens Don Shaw 1973-7-26 Siskiyou MCloud, Hearst Estates in orchard. 0 Comment
  CAS-BOT-BC218015  Achnatherum thurberianum Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Well, Lava Beds National Monument Comment
  CDA5734  Achnatherum thurberianum L. Ahart, J. Dittes 2005-6-9 12018 Siskiyou About 350 yards east of where cattle water in the Shasta River, about 3/5 mil (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  POM115239  Achnatherum thurberianum Geo D. Butler, A. S. Hitchcock 1910-5-4 1277 Siskiyou Dry hill, Yreka. Comment
  RSA17732  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
  CHSC93536  Acmispon brachycarpus Lowell Ahart; John Dittes 2005-6-10 12115 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC27690  Acmispon micranthus Carl W. Mize 1972-6-8 40 Siskiyou Along main trail 366 Comment
  CAS-BOT-BC391524  Aconitum columbianum subsp. columbianum H. E. Brown 1897-6-15 514 Siskiyou On the North side of Mt. Shasta 2743 Comment
  HSC36225  Aconitum columbianum subsp. columbianum John Rehling 1974-8-24 48 Siskiyou Trail to Big Duck Lake Comment
  RSA238290  Aconitum columbianum subsp. viviparum Frederick W. Oettinger 1967-8-17 28 Siskiyou Alder thicket along trail on SE side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SD53342  Aconogonon davisiae Darley F. Howe 1962-8-6 3407 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC412916  Aconogonon davisiae Louis C. Wheeler 1934-7-14 2903 Siskiyou Head Jaynes Canyon, Siskiyou Mts. 2042 Comment
  CAS-BOT-BC418810  Aconogonon phytolaccifolium H. R. Saxton 1922-7-15 5 Siskiyou Klamath National Forest. Head of Cow Creek 1828 Comment
  CAS-BOT-BC29320  Adenocaulon bicolor Doris Kildale 1929-7-21 8745 Siskiyou Elk Lick, south fork Indian Creek Comment
  HSC68309  Adiantum aleuticum Maralyn A. Renner 1980-7-4 1418 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  POM197159  Adiantum aleuticum Anonymous 1881-07 s.n. Siskiyou Mount Shasta Comment
  CAS-BOT-BC68952  Adiantum aleuticum Louis C. Wheeler 1934-7-30 75484 Siskiyou Red Mt. Creek 1524 Comment
  SEINET14139457 Image available Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Roadside ditch, 4 mi. E. Montague Comment
  RSA264983  Agastache urticifolia Gilbert Muth 1975-7-29 5836 Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  RSA181615  Agastache urticifolia Dorothy Parker 1950-6-15 453 Siskiyou Along Kidder Creek. 915 Comment
  HSC58866  Ageratina occidentalis Marvin Butler 1971-8-11 302 Siskiyou Near Copper Camp; close to the town of Cave Junction 1403 Comment
  CDA296  Ageratina occidentalis S. Davis, F. D. Horn 1979-8-24 Siskiyou Hotlum Road above railroad tracks, northeast of Weed. 0 Comment
  RSA113736  Ageratina occidentalis Beecher Crampton 1956-8-21 3843 Siskiyou Above the Sacramento River, just below the junction of the middle with the south fork. Comment
  CAS-BOT-BC15478  Agoseris X dasycarpa Elmer I. Applegate 1923-8-17 3845 Siskiyou West side of Medicine Lake Comment
  RSA238750  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 517 Siskiyou Bear Meadow,' mid-way, as the crow flies, between Tom Taylor Cabin and English Peak lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  CAS-BOT-BC21326  Agoseris aurantiaca var. aurantiaca Annie M. Alexander; Louise Kellogg 1949-7-22 5839 Siskiyou Trail to Kings Castle, top of ridge, Paradise Lake, Marble Mountains 1920 Comment
  POM33128  Agoseris grandiflora Geo. D. Butler 1910-6-10 1555 Siskiyou Near Yreka. Comment
  SFV5159  Agoseris grandiflora B. C. Templeton 1960-6-21 8526 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  SJSU11318  Agrostis capillaris S. H. Casey 1981-7-4 1210 .5 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 5 mi N of Seiad Valley, northwestern Siskiyou County 1463 Comment
  CAS-BOT-BC126997  Agrostis exarata John Thomas Howell 1939-8-9 15205 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC126998  Agrostis exarata John Thomas Howell 1939-8-10 15250 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  HSC76738  Agrostis exarata K. T. Stillman 1976-7-14 232 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  POM207150  Agrostis hallii E. B. Copeland 1903-8-17 3903 Siskiyou Mount Eddy. 1220 Comment
  RSA239094  Agrostis humilis Frederick W. Oettinger 1969-9-4 1656 Siskiyou Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC139347  Agrostis idahoensis Alice Eastwood 1921-7-28 10936 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC139348  Agrostis idahoensis Elmer I. Applegate 3841 Siskiyou Medicine Lake, west side. 1981 Comment
  UC815156  Agrostis scabra J. R. Swallen 1941-7-25 16114 Siskiyou MacBride Springs area Mt. Shasta 1524 Comment
  CAS-BOT-BC138647  Agrostis stolonifera Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs. Comment
  HSC45898  Agrostis stolonifera Laura Witherspoon 1978-8-31 112 Siskiyou Klamath National Forest 1982 Comment
  UCD53628  Agrostis stolonifera A. H. Murphy 1958-8-4 58 -B Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  CHSC106315  Alisma triviale Lowell Ahart; John Dittes 2010-7-30 16949 Siskiyou On the bottom of a water ditch, at the edge of the dry upland, about 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  RSA47814  Allium amplectens Roxana S. Ferris, Laura Lorraine 11720 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), E Fork of Scott River. Comment
  CHSC30249  Allium falcifolium M. S. Taylor 1980-7-8 3111 Siskiyou S of Castle Lake, above Hearts Lake. 2016 Comment
  CAS-BOT-BC469241  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  HSC77149  Allium falcifolium L. P. Janeway 1983-8-27 619 Siskiyou Along Twin Valley/Poker Flat trail 1677 Comment
  RSA47799  Allium falcifolium Roxana S. Ferris, Laura Lorraine 11716 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), E Fork of Scott River. Comment
  JEPS82242  Allium siskiyouense Roger Raiche 1983-8-14 30611 Siskiyou near summit of road to Mt. Eddy or Dead Fall Meadow (Park Creek Road of forest road 42N17) 2133 Comment
  UCD143200  Allium siskiyouense Sandra L. Holloway 1963-7-14 s.n. Siskiyou ca. 5 miles south and 5 miles west of Weed. 2133 Comment
  RSA452798  Alnus rhombifolia B. C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, noth of Callahan Comment
  CAS-BOT-BC169648  Alnus rhombifolia W. R. Dudley 1899-8-21 s.n. Siskiyou South Fork - Scott's Creek above Parker's Comment
  HSC69223  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-8-31 2621 Siskiyou Twin Valley. 1494 Comment
  RSA184765  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1829 Comment
  CDA3619  Alyssum desertorum J. M. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 meters east of intersection with Mulloy Road. 0 Comment
  RSA245268  Amaranthus blitoides J. P. Smith, J. Sawyer 1972-9-14 5797 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  HSC26932  Amaranthus hybridus J. P. Smith, J. O. Sawyer 1971-9-18 4839 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC43150  Amaranthus powellii Ken Stillman 1976-8-24 426 Siskiyou Along Klamath River at Williams Point. 366 Comment
  HSC69739  Amelanchier alnifolia Maralyn A. Renner 1980-6-26 1278 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC36643  Amelanchier pallida A. M. Montalvo, J. D. Ackerman 1975-7-18 578 Siskiyou The Eddy's, between Mt. Eddy and Boulder Peak, headwaters of S Fork of Sacramento River 1829 Comment
  HSC65271  Amelanchier pallida Rich White 1978-7-6 247 Siskiyou Pond above Elk Hole 1524 Comment
  HSC68339  Amelanchier pallida Maralyn A. Renner 1980-6-26 1229 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC136889  Amelanchier utahensis Dorothy Parker 1947-5-23 182 Siskiyou Northeast slopes of the Gazelle Mountains 1493 Comment
  CAS-BOT-BC136901  Amelanchier utahensis G. P. Rixford s.n. Siskiyou Hilt Comment
  UC144390 Image available Amelanchier utahensis A. A. Heller 1905-6-5 7970 Siskiyou between Shasta Retreat and Shasta Springs; ; between Shasta Retreat & Shasta Springs, Siskiyou Co. Comment
  HSC36775  Amsinckia intermedia J. P. Smith 1974-5-25 7402 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC94795  Anaphalis margaritacea R. C. Wenk 2006-9-2 559 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, above Big Conrad Gulch 1950 Comment
  RSA696901  Anaphalis margaritacea Leo Miller s.n. Siskiyou Siskiyou Mts. 854 Comment
  SEINET8379680  Andersonglossum occidentale L. E. Detling 1947-6-3 6058 Siskiyou Hapy Camp, Klamth National Forest. 335 Comment
  UC165735  Androsace elongata subsp. acuta Geo. D. Butler 1909-3-7 579 Siskiyou near Yreka Comment
  CDA39676  Androsace elongata subsp. acuta J. T. Howell 1980-4-3 s.n. Siskiyou 10 miles south of Fort Jones on Scott Valley East Side Road. 0 Comment
  HSC29427  Anemone deltoidea Frederick W. Oettinger 1968-8-6 429 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  HSC44582  Anemone deltoidea Laura Witherspoon 1977-7-12 Siskiyou Flint Valley Comment
  CAS-BOT-BC391796  Anemone deltoidea H. M. Hall 1909-7-1 8675 Siskiyou Salmon Mountains. Salmon River 1584 Comment
  CAS-BOT-BC391854  Anemone drummondii A. A. Heller 1915-7-15 12082 Siskiyou Mt. Eddy 2072 Comment
  CHSC1424  Anemone drummondii V. Holt 1932-6-26 Siskiyou Mt. Eddy. 2590 Comment
  CAS-BOT-BC391936  Anemone multifida Edna Kelsey 1961-6-1 s.n. Siskiyou Marble Mts. Summit of Marble Mountain Comment
  HSC77116  Anemone multifida var. multifida K. T. Stillman 1976-6-25 64 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  CAS-BOT-BC391972  Anemone occidentalis Wm. Bridge Cooke 1938-7-21 11303 Siskiyou Mount Shasta. South of Horse Camp Comment
  SJSU2564  Anemone oregana var. oregana H. L. Buckalew 1962-7-14 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch of Indian Cr, Siskiyou Mts 1143 Comment
  CDA39499  Anemopsis californica Cliff Giebner 1960-6-21 4540 Siskiyou Whitset Ranch. Yreka. 0 Comment
  CAS-BOT-BC59286  Antennaria argentea Geo. D. Butler 1909-5-31 756 Siskiyou Humbug Creek Comment
  HSC67867  Antennaria argentea J. P. Smith 1976-5-5 8691 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  JEPS33952  Antennaria argentea George D. Butler 1908-8-10 317 Siskiyou Shackelford Creek Comment
  SEINET2031016 Image available Antennaria dimorpha Gene B. Newcomb, H. G. Baker 1959-3-28 237 Siskiyou 4.5 miles N of Yreka city limits on US Highway 99. 910 Comment
  UCD77339  Antennaria dimorpha Robert E. Preston 2001-7-21 1738 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2225 Comment
  JEPS14953  Antennaria geyeri A. A. Heller 1916-7-21 12482 Siskiyou near Upton 1097 Comment
  UC1035410  Antennaria geyeri David D. Keck 1953-7-31 6534 Siskiyou 3.5 mi s of Grass Lake; Deer Mountain Service Station Comment
  HSC68582  Antennaria howellii Maralyn A. Renner 1980-6-24 1069 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  CAS-BOT-BC79907  Antennaria microphylla Elmer I. Applegate 1935-6-8 9429 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  JEPS125860  Antennaria racemosa Dean W. Taylor 1996-6-26 15748 Siskiyou Marble Mountains; drainage of Kidder Creek; cliffs on deeply incised canyon of Kidder Creek about 2 miles west of Scott Valley Comment
  JEPS74526  Antennaria rosea W. J. Ferlatte 1966-6-22 80 Siskiyou Josephine Lake Basin; Trinity Alps, Josephine Lake Basin 1676 Comment
  SFV5166  Antennaria rosea B. C. Templeton 1960-6-21 8550 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  UC75910  Antennaria rosea Milo S. Baker 1892-8-1 156 Siskiyou Medicine Lake Comment
  RSA211485  Antennaria rosea William J. Ferlatte 1966-6-22 80 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  CAS-BOT-BC102275  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy Comment
  UC164277  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou near Fort Jones Comment
  UC1096780  Apocynum androsaemifolium Barbe 1957-7-13 381 Siskiyou w. slope along path to spring w. of Big Flat Public Camp; Klamath Nat'l Forest 1524 Comment
  UC1282014  Apocynum androsaemifolium Louise Kellogg 1953-8-8 110 Siskiyou on rd. between Callahan and Trinity Center (n.w. slope Scott Mt.); Klamath Nat'l Forest, Scott Mts., Mule Creek 1402 Comment
  RSA166009  Apocynum androsaemifolium subsp. pumilum Donald Myrick 1961-6-20 292 Siskiyou On Old McCloud Road to Bear Springs just east of Mt. Shasta City. 1098 Comment
  UC1409275  Aquilegia formosa Frederick W. Oettinger 1968-8-6 422 Siskiyou se corner of Hancock Lake Salmon Mtns, Marble Mt. Wilderness Area 1935 Comment
  CAS-BOT-BC397950  Aquilegia formosa W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of My Eddy Comment
  HSC58916  Aquilegia formosa var. truncata Marvin Butler 1971-7-19 152 Siskiyou Near El Capitan 1464 Comment
  UC375285  Arabis Geo. D. Butler 1910-7-3 1635 Siskiyou Goosenest foothills Goosenest 1219 Comment
  CAS-BOT-BC65370  Arabis eschscholtziana R. C. Wenk 2005-7-16 252 Siskiyou South Fork of the Salmon River, south end of Big Flat Meadow. 1493 Comment
  HSC76766  Arabis holboellii var. retrofracta K. T. Stillman 1976-8-7 379 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC29175  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-10 961 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1921 Comment
  POM272646  Arabis holboellii var. retrofracta Lyman Benson 1929-3-27 1073 Siskiyou Rocky ledges on S slopes above Klamath. River. Comment
  POM94756  Arabis holboellii var. retrofracta Geo. D. Butler 1910-6-5 1525 Siskiyou Log Lake, Shackleford Creek. Comment
  RSA0128697  Arabis lyallii Frederick W. Oettinger 1969-8-13 1356 Siskiyou North side, trail crossing Crapo Ridge; Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mt. Wilderness Area. 2195 Comment
  HSC66261  Arabis modesta Maralyn A. Renner 1980-6-22 897 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC90275  Arabis modesta D. L. Goforth 1980-6-26 639 Siskiyou Salmon River at Grant Bluff 290 Comment
  SFV1406  Arabis modesta A. M. Vollmer, L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  HSC35792  Arabis platysperma var. howellii J. O. Sawyer 1969-8-4 835 Siskiyou Slopes S of S Sugar Lake 2134 Comment
  RSA0129718  Arabis platysperma var. platysperma Gilbert Muth 1969-8-10 1336 Siskiyou Ridge west of Boulder Peak. 2378 Comment
  RSA0129830  Arabis platysperma var. platysperma Frederick W. Oettinger 1968-8-5 412 Siskiyou Ridge between English Peak and Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2024 Comment
  HSC79314  Arabis repanda D. H. Norris 1968-7-29 2210 Siskiyou Along trail from Big Flat to Yellow Rose Mine 1677 Comment
  HSC22086  Arabis rigidissima J. O. Sawyer 1969-8-1 1639 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  POM143232  Arabis subpinnatifida Geo. D. Butler 1910-4-16 1181 Siskiyou Near Yreka. Comment
  HSC90613  Arabis suffrutescens Jennifer Whipple 1977-7-22 2047 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  CAS-BOT-BC171700  Aralia californica Carl B. Wolf 1927-8-26 1104 Siskiyou On the Klamath River, 8 mi. above Happy Camp Comment
  UC1174942  Aralia californica P. C. Everett and E. K. Balls 1959-10-24 23942 Siskiyou 6 mi. w. Red Bank F. S. Camp (on rd. to Somes Bar from Sawyers Bar) 609 Comment
  HSC36694  Arbutus menziesii Brent Whiteley 1975-6-21 8 Siskiyou Comment
  SEINET2471282  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-8-14 2007 -35 Siskiyou 18 km W. of Indian Creek on forest road 17N11 1320 Comment
  UC1078862  Arceuthobium campylopodum Job Kuijt 1957-5-22 1370 Siskiyou 3.5 mi w Mcloud Comment
  HSC15899  Arceuthobium campylopodum R. C. Wunner 1965-8-14 431 Siskiyou Lava Beds National Monument, 2 mi. S of Mammoth Crater on Tickner Rd. 1555 Comment
  SEINET11989682  Arctostaphylos klamathensis Unknown 1982-1 20802 Siskiyou around little lake above & E of Upper Cliff Lake 1981 Comment
  UCR47872  Arctostaphylos manzanita Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC39981  Arctostaphylos nevadensis Steve Abbors 1980-7-23 s.n. Siskiyou Everitt Memorial Highway, ascending Mt. Shasta. 2286 Comment
  HSC4922  Arctostaphylos nevadensis J. O. Sawyer 1968-7-9 421 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC69205  Arctostaphylos nevadensis Maralyn A. Renner 1980-9-1 2680 Siskiyou Bear Mtn. Comment
  RSA47624  Arctostaphylos nevadensis Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11801 Siskiyou At Mule Creek crossing on Scott Mt. Road so. of Callahan. 1463 Comment
  RSA68855  Arctostaphylos nevadensis A. E. Culbertson 1943-6-26 101 Siskiyou Castle Lake, 5434, in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  CAS-BOT-BC46479  Arctostaphylos patula Doris K. Kildale 1928-8-19 6566 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  JEPS42625  Arctostaphylos patula Geo. D. Butler 1909-4-11 640 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC46493  Arctostaphylos patula W. B. C. 1938-6-16 11016 Siskiyou Sisson Southern Trail. 1524 Comment
  CDA38691  Arctostaphylos patula T. C. Fuller 1962-6-13 8991 Siskiyou Road to Medicine Lake, 3.2 miles north of Bartle. 0 Comment
  POM367405  Arctostaphylos patula M. B. Dunkle 1944-8-25 9181 Siskiyou Siskiyou National Forest; Coastal Northern California. Comment
  CAS-BOT-BC467186  Arenaria serpyllifolia var. serpyllifolia L. B. Kildale 1930-6-1 9737 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  HSC61111  Arnica amplexicaulis Ruby Van Deventer 1955-8-5 Siskiyou Doe Flat; Forest Service Road 17N04, 1 mi. N of Doe Flat camp Comment
  UC455482  Arnica discoidea I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  UC585251  Arnica discoidea E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1997 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1188 Comment
  UCD77356  Arnica discoidea Robert E. Preston 2002-6-19 1822 Siskiyou Dunsmuir, in forest along E bank of Sacramento River. 727 Comment
  UC129423  Arnica latifolia Harley P. Chandler 1901-6-1 1699 Siskiyou Shackleford Canyon North Coast Ranges, Marble Mountain ((ridges and meadows near Marble Mountain)) 1828 Comment
  JEPS84189  Arnica mollis L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6426 Siskiyou ca 5 mi n Seiad Valley (cirque at head of Hell's Canyon); e slope of Kangeroo Mountain, head of Hell's Canyon 1828 Comment
  UC618863  Arnica viscosa W. Bridge Cooke 1938-8-18 11501 Siskiyou some distance above, on sw slope of Mt. Shasta Horse Camp; Mt. Shasta 2529 Comment
  UCD70118  Arnica viscosa D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud. Snowmans Hill. Ski Park (Mount Shasta) Road. Mount Shasta basis. 1720 Comment
  CAS-BOT-BC90741  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-18 s.n. Siskiyou [Nort] North side of Black Mountain Comment
  CAS-BOT-BC97419  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  UC165759  Aruncus dioicus var. pubescens Geo. D. Butler 1908-8-3 280 Siskiyou canyon of Shackleford Creek Comment
  CAS-BOT-BC447710  Aruncus dioicus var. vulgaris John Thomas Howell 1966-8-3 497 Siskiyou Marble Valley by creek; Marble Mts. 1792 Comment
  RSA134151  Aruncus vulgaris Percy C. Everett, E. K. Balls 1959-10-24 23950 Siskiyou 7.4 miles NW from Forks, along Salmon River, Sawyers Bar to Somes Bar. 244 Comment
  HSC69541  Asarum caudatum Maralyn A. Renner 1980-8-6 2247 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC164124  Asclepias cordifolia Geo. D. Butler 1910-6-7 1531 Siskiyou Greenhorn Mountain Comment
  RSA401671B  Asclepias cordifolia J. O. Sawyer, K. Stillman 1976-5-29 2739 Siskiyou Along Specimen Creek Comment
  JEPS94835  Asclepias fascicularis Vernon H. Oswald and Lowell Ahart 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi w of Mosquito Lake and Whitehorse Flat Reservoir Mosquito Lake; Julia Glover Flat on USFS 3 1112 Comment
  POM301689  Asclepias fascicularis Marion Ownbey, Fred G. Meyer 1940-7-4 2170 Siskiyou Border of Meadow along Ditch Creek, near Hornbrook. Comment
  SEINET10863546  Aspidotis densa Melvin L. Conrad, Katherine L. Morris; Patricia L. Kenney 1973-6-3 Conrad 7016 Siskiyou Mathew's Creek Campground on S fork of Salmon River. 549 Comment
  UCD21469  Aspidotis densa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1209 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  HSC23618  Aspidotis densa J. O. Sawyer 1969-7-10 1289 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  CHSC78494  Aster Vernon H. Oswald 2000-8-28 9961 Siskiyou Forest Road 17 2.5 mi west of its junction with Stewart Springs Road. 1377 Comment
  UCR37820  Aster ledophyllus K. T. Stillman 1976-9-9 470 Siskiyou Marble Mountain Wilderness Area, N and NE side of Black Mtn., Scott Bar 15' Q. Comment
  RSA530006  Aster radulinus Wm. Taylor, Glenn L. Clifton 1987-8-5 9225 Siskiyou Forest Road 26N06 at crossing of Tate Creek, headwaters McCloud River drainage 1485 Comment
  CAS-BOT-BC178809  Astragalus californicus R. C. Barneby 1954-5-16 11516 Siskiyou Klamath R. canyon 1/2 mi. below Hamburg 457 Comment
  JEPS107649  Astragalus filipes Lowell Ahart, John Dittes 2005-6-10 12092 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC187166  Astragalus lentiginosus var. floribundus Alice Eastwood; John Thomas Howell 1940-6-14 8271 Siskiyou Lava Beds Nat. Mon. near Schonchin Butte Comment
  CAS-BOT-BC187333  Astragalus lentiginosus var. salinus Elmer I. Applegate 1935-6-5 9333 Siskiyou Lyons road, north boundary area, Lava Beds National Monument Comment
  JEPS82441  Astragalus purshii var. lectulus Gilbert Muth 1966-7-22 438 Siskiyou Marble Rim , Marble Rim (Marble Mt. Wilderness Area) 2194 Comment
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Oct 30 2007
  JEPS93850  Astragalus purshii var. purshii Vernon H. Oswald and Lowell Ahart 1998-6-11 9202 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CAS-BOT-BC193060  Astragalus purshii var. tinctus Alice Eastwood; John Thomas Howell 1934-4-20 1744 Siskiyou Near Yreka on Ft. Jones road Comment
  CAS-BOT-BC6765  Astragalus whitneyi var. siskiyouensis Alice Eastwood 1912-8-30 2006 Siskiyou Mount Eddy Comment
  CDA26765  Astragalus whitneyi var. siskiyouensis T. C. Fuller 1960-6-29 4643 Siskiyou Scott Mountain Road, 4.2 miles south of Callahan. 0 Comment
  CAS-BOT-BC69536  Athyrium alpestre subsp. americanum W. B. C. 1938-9-8 11617 Siskiyou Panther Creek Glacial Meadow, Mount Shasta. 2590 Comment
  CAS-BOT-BC69575  Athyrium alpestre subsp. americanum C. G. Pringle 1882-8-29 s.n. Siskiyou Mount Shasta. 2438 Comment
  RSA333468  Athyrium filix-femina subsp. cyclosorum Dave Kelly, Walter Wisura 1985-7-30 4071 Siskiyou Siskiyou Mountains, along Middle Creek Road, north of Horse Creek Comment
  CAS-BOT-BC66200  Athyrium filix-femina var. cyclosorum A. A. Heller 1915-8-26 12234 Siskiyou Mt. Eddy 1828 Comment
  HSC35797  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-6-25 321 Siskiyou Along Horse Range Creek 1829 Comment
  HSC36729  Athyrium filix-femina var. cyclosorum Brent Whiteley 1975-7-1 112 Siskiyou 671 Comment
  UC673287  Athysanus pusillus Lincoln Constance, Reed C. Rollins 1942-5-13 2916 Siskiyou Scott River 10 mi sw of Scott Bar; Klamath-Siskiyou Region, Scott River 609 Comment
  JEPS93959  Atriplex rosea Vernon H. Oswald and Lowell Ahart 1998-9-16 9652 Siskiyou 2 mi s of Highway 161 (Return leg of the Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  HSC4367  Atriplex rosea R. C. Wunner 1965-8-14 416 Siskiyou Lava Beds National Monument, Hovey Point. 1220 Comment
  POM210922  Atriplex rosea L. C. Wheeler 1934-10-21 3339 Siskiyou Shasta Valley 8 miles NE of Gazelle. 869 Comment
  UC165278  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  UC585252  Balsamorhiza deltoidea E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1995 Siskiyou 1 1/2 mi w of, e and ne slope of spur of Rainbow Ridge above Sulloway Creek Mt. Shasta City; Rainbow Ridge 1180 Comment
  SEINET7042825  Balsamorhiza hookeri var. lanata A. G. Vestal 1955-5-16 s.n. Siskiyou Bouldery roadside ca. 5.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 544718mE, 4590385mN. Comment
  POM350742  Balsamorhiza lanata Christopher Davidson 1975-6-5 2656 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  CAS-BOT-BC16691  Barbarea orthoceras Alice Eastwood 1923-5-18 11822 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC75725  Berberis nervosa Doris K. Kildale 1929-7-21 8744 Siskiyou Elk Lick, South Fork of Indian Creek. 1219 Comment
  CAS-BOT-BC75728  Berberis nervosa L. E. Smith 1913-8-30 543 Siskiyou Mount Eddy. Comment
  CAS-BOT-BC75934  Berberis piperiana Geo. D. Butler 1910-8-1 1807 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC76011  Berberis pumila Alice Eastwood 1923-5-29 11987 Siskiyou Cantara. Comment
  UC165417  Berula erecta Geo. D. Butler 1910-8-13 1838 Siskiyou Oro Fino Comment
  CAS-BOT-BC102122  Bidens cernua L. E. Smith 1915-7-1 s.n. Siskiyou Desty Comment
  CAS-BOT-BC102064  Bidens frondosa Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  CAS-BOT-BC413081  Bistorta bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley Horse Pasture, Marble Mts. 1792 Comment
  HSC86546  Bistorta bistortoides D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  CHSC63494  Blepharipappus scaber Vernon H. Oswald; Lowell Ahart 1994-8-1 6444 Siskiyou Junction of Forest Rd. 17 and Stewart Springs Rd., W of Weed. 1146 Comment
  HSC26152  Blepharipappus scaber J. P. Smith, J. O. Sawyer 1972-9-12 5767 Siskiyou Scott Mountain; 1/2 mile east of Scott Mountain Rd. (S.R. 3) 1646 Comment
  HSC44736  Blepharipappus scaber Maralyn O'Meara 1974-5-25 440 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  OBI55524  Blepharipappus scaber David J. Keil, Kathleen Keil 1992-7-21 23513 Siskiyou Klamath Natl forest SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  POM250770  Blepharipappus scaber D. D. Keck 1938-8-8 4861 Siskiyou 0.4 mile south of Scoot Mountain Lodge, near Mill Creek Scott Mountains. 1040 Comment
  CAS-BOT-BC15799  Boechera acutina John Thomas Howell 1937-7-26 13551 Siskiyou Caribou Gulch. Comment
  CHSC36131  Boechera breweri K. Bridwell 1978-4-15 95 Siskiyou Irongate Reservoir at Jenny Creek, ca. 20 mi ne of Hornbrook. 762 Comment
  SEINET193232  Boechera breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2902 Siskiyou Klamath River near Clear Creek, 8 miles south of Happy Camp. 305 Comment
  UC673144  Boechera breweri subsp. shastaensis Lincoln Constance and Reed C. Rollins 1942-5-14 2930 Siskiyou 6 mi n Yreka; Klamath-Siskiyou Region, Shasta River 762 Comment
  UC136187  Boechera howellii Dr. E. B. Copeland 1903-8-16 3914 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC14065  Boechera lyallii Gilbert J. Muth 1969-8-6 1228 Siskiyou Boulder Peak Ridge. 2468 Comment
  CHSC38087  Boechera pinetorum R. E. Preston; L. E. Preston 1983-6-9 390 Siskiyou Grass Lake Rest Area. 1542 Comment
  UCD114422  Boechera pinetorum James Payne Smith Jr. 1976-5-21 8774 Siskiyou Klamath National Forest, Forest Road 40N08, 12.3 miles from its junction with State Route 3. 1219 Comment
  UC455728  Boechera platysperma I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  CAS-BOT-BC25414  Boechera retrofracta George Dexter Butler 1910-7-8 1663 Siskiyou Log Lake, Shackleford Creek. 1219 Comment
  UC722114  Boechera retrofracta C. L. Hitchcock and J. S. Martin 1939-7-9 5308 Siskiyou near Marble Mt. (Kings Castle) (n side of Black Mt.); Black Mt. 2072 Comment
  UCD114377  Boechera sparsiflora Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, 12 miles northeast of Weed. 1219 Comment
  CAS-BOT-BC25793  Boechera stricta Maxine Wilkes 1940-8-1 s.n. Siskiyou Marble Mountains. Deep Lake. Comment
  RSA43885  Boisduvalia densiflora var. densiflora H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  CHSC88370  Bolboschoenus maritimus subsp. paludosus Jenny Marr 1993-7-1 176 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC418463  Boykinia major Alice Eastwood; John Thomas Howell 1937-6-26 5066 Siskiyou Near Forks of Salmon Comment
  CAS-BOT-BC418462  Boykinia major Douglas Barbe 1955-7-4 093 Siskiyou 11 miles south of Etna on the North Fork of French Creek, about 1000' from Parrot Mill Rd.; Klamath Mountains 975 Comment
  HSC86545  Boykinia major D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  UC1585413  Boykinia major R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 42 Siskiyou on rd to Cook and Green Pass at Horsetail Falls (n of Seiad Valley) 1254 Comment
  CDA25391  Boykinia major var. major T. C. Fuller, Don Shaw 1974-9-24 20022 Siskiyou Siskiyou Mountains.; Reeves Ranch Springs, east of White Mountain. 0 Comment
  CAS-BOT-BC418420  Boykinia occidentalis Doris K. Kildale 1928-8-1 6188 Siskiyou 1/2 miles north of Brookings Comment
  CAS-BOT-BC127861  Brickellia grandiflora John Thomas Howell 1939-8-4 15044 Siskiyou Marble Rim. Marble Mts. Comment
  JEPS111015  Brickellia grandiflora J. K. Nelson with J. R. and Soren Nelson 2004-8-29 2004 -96 Siskiyou South side Mt. Shasta, south side of McKenzie Butte, along Road 31 1584 Comment
  CAS-BOT-BC484385  Brodiaea elegans subsp. elegans D. E. Breedlove 1962-6-10 3313 Siskiyou Along Indian Creek Road, 2.3 miles northwest of Happy Camp, Siskiyou Mountains 365 Comment
  HSC77235  Brodiaea elegans subsp. elegans L. P. Janeway 1983-7-17 428 Siskiyou Near FS 18N33 about 3/4 mi. from the Grayback Rd. 1006 Comment
  UC1037090  Bromus carinatus var. carinatus Leo Whitney 1934-6-29 2220 Siskiyou Tennant 1524 Comment
  UC1265358  Bromus carinatus var. carinatus F. W. Oettinger and R. F. Thorne 1969-8-4 1154 Siskiyou below Sundew Bog (English Lake, Salmon Mountains, western Siskiyou County); Salmon Mountains, English Lake 1828 Comment
  UCD59110  Bromus carinatus var. marginatus F. G. Stuckey 1933-10-1 s.n. Siskiyou 30 mi. NE of Mt. Shasta. 1097 Comment
  UCD58853  Bromus inermis subsp. inermis Al Franklin 1987-7-10 87 -29 Siskiyou Flank of Everitt shield volcano, near Mt. Shasta. 1609 Comment
  CHSC91224  Bromus japonicus Lowell Ahart; John Dittes 2005-6-9 12030 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC101844  Bromus sterilis J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13172 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  RSA239071  Bromus suksdorfii Frederick W. Oettinger 1968-8-24 624 Siskiyou Northeast of Crapo Ridge above Tom Taylor cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC185598  Bromus tectorum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53428 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan. 853 Comment
  UC1483562  Bromus tectorum Maralyn A. Renner 1980-6-22 90 Siskiyou n of Little Shasta River (Klamath National Forest); Klamath National Forest 1371 Comment
  UCD59949  Bromus tectorum var. nudus P. B. Kennedy 1923-7-29 s.n. Siskiyou Mt. Shasta City. By Camp Sisson. Comment
  CAS-BOT-BC185382  Bromus vulgaris John Thomas Howell 1937-7-23 13364 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UC673211  Cacaliopsis nardosmia Lincoln Constance, Reed C. Rollins 1942-5-13 2906 Siskiyou Northwestern; Klamath Ranges Region; Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad, alt. 1500 ft. 457 Comment
  RSA239004  Calamagrostis breweri Frederick W. Oettinger 1969-9-3 1613 Siskiyou Shasta Ridge, north slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC30648  Calamagrostis koelerioides Frederick W. Oettinger, R. F. Thorne 1969-8-4 1162 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  HSC69547  Calamagrostis koelerioides Maralyn A. Renner 1980-8-4 2235 Siskiyou Ridge near FS Rd. 15N01, about 1 mi. N of Flint Valley 1494 Comment
  RSA126056  Calamagrostis koelerioides I. L. Wiggins 1955-7-27 13558 Siskiyou Caribou Lake, Salmon River-Trinity Alps Primitive Area. 2043 Comment
  UC1265352  Calamagrostis koelerioides F. W. Oettinger 1968-8-23 605 Siskiyou on slope of Peak below overlook of English Lake (on trail to Tom Taylor Cabin); Salmon Mountains, English Peak 2072 Comment
  SBBG28166  Callitriche heterophylla var. bolanderi L. C. Wheeler 1935-6-13 3568 1/2 Siskiyou Greenview, Scott Valley 883 Comment
  CAS-BOT-BC85743  Calocedrus decurrens Alice Eastwood 1928-8-1 1939 Siskiyou Cantara Comment
  JEPS24784  Calocedrus decurrens Rimo Bacigalupi with Drs. Reino & Aloha Alava 1958-9-1 6792 Siskiyou below and sw Mt. Shasta town (Sisson) (along South Fork of Sacramento River, between debouchements of Wagon and Scott Camp Creeks); Sacramento River 944 Comment
  SBBG34157  Calocedrus decurrens J. Major, M. Fleschner, R. Pemble 1966-9-5 Siskiyou SE of Marble Mtn Marble Mtns 1828 Comment
  UC454377  Calocedrus decurrens I. J. Condit 1909-8-25 Siskiyou Sisson Comment
  NY18936  Calocedrus decurrens H. E. Brown 1897-7-1 507 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET3885020  Calochortus coeruleus Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-25 727 Siskiyou Shasta National Forest. Deep Crater Area. Lava beds. Along Forest Service Road 42N22, from Main Forest Service Road 49-Powder Hill Road.; 0 1550 Comment
  UC648359  Calochortus elegans Marion Ownbey and Ruth P. Ownbey 1938-7-20 1764 Siskiyou near Round Mountain (above Oak Knoll Ranger Station); Siskiyou Mts. Comment
  CAS-BOT-BC488613  Calochortus elegans var. nanus Wm. Bridge Cooke 1938-7-1 11154 Siskiyou Above Bear Spring. (Transition); Mount Shasta 1600 Comment
  HSC44581  Calochortus elegans var. nanus Laura Witherspoon 1977-6-22 Siskiyou Off G-O Rd. at the boundary of Humboldt-Siskiyou Counties 1494 Comment
  CAS-BOT-BC483442  Calochortus macrocarpus Dorothy Parker 1948-7-26 158 Siskiyou Cal-Ore, near the California-Oregon border 1219 Comment
  RSA52433  Calochortus macrocarpus Dorothy Parker 1948-7-26 158 Siskiyou Cal-Ore, near Calif.-Ore. border 1220 Comment
  CHSC71611  Calochortus nudus Vernon H. Oswald; Lowell Ahart 1998-8-3 9443 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. West of Kangaroo Lake. 1981 Comment
  UC843681  Calochortus nudus Alice Eastwood 1912-7-15 1109 Siskiyou McCloud Comment
  SEINET8223993  Calochortus persistens Frank Callahan 2007-6-15 Siskiyou northeast flank of Cottonwood Peak, below road at marked point. 1607 Comment
  UC165949  Caltha biflora Geo. D. Butler 1910-6-5 1509 Siskiyou Shackleford Creek. Comment
  RSA0120945  Caltha biflora Frederick W. Oettinger 1967-7-6 151 Siskiyou Statue Creek just below the highest clear out block of the Music Creek Logging Sale (block M). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC273393  Calycadenia fremontii Elmer I. Applegate 1923-9-10 3983 Siskiyou Mouth of Salmon River, Klamath River Comment
  JEPS30009  Calycadenia truncata Geo. D. Butler 1908-8-2 343 Siskiyou roadside near, Greenview; Scott Valley Comment
  UC166116  Calycadenia truncata Geo. D. Butler 1908-8-29 320 Siskiyou Comment
  UC725361  Calyptridium umbellatum A. A. Heller 1940-7-25 15771 Siskiyou about Horse Camp (Mount Shasta); Mount Shasta 2438 Comment
  CDA23944  Calyptridium umbellatum J. R. Grisham 1958-6-16 Siskiyou Near town of Mt. Shasta. 0 Comment
  CAS-BOT-BC221261  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  SBBG25944  Calystegia malacophylla subsp. malacophylla D. Myrick 1966-8-9 1542 Siskiyou Gates Ranch, Mountain Meadow Ranch, Big Flat; Trinity Alps 1524 Comment
  UC163724  Camassia quamash subsp. breviflora Geo. D. Butler 1909-6-22 890 Siskiyou 2 mi ne of Mount Shasta (Goosenest Foothills); Goosenest Foothills Comment
  UC1045293  Camelina microcarpa Reed Rollins 1940-6-7 15094 Siskiyou along the Pacific Highway near Black Butte; Pacific Highway 1219 Comment
  CAS-BOT-BC160904  Camissonia tanacetifolia subsp. tanacetifolia Roxana S. Ferris; Laura Lorraine 1941-8-11 10495 Siskiyou Grass Lake Station, on U. S. Highway 97 1554 Comment
  RSA8246  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1923-8-19 3881 Siskiyou West end of Medicine Lake Comment
  SEINET10462934  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5998 Siskiyou NR MCNEAL CR., SALMON MT QUAD., NR FORKS OF SALMON 2402', CLIFF OR BLUFF, BOULDERS Comment
  SEINET10463103  Campanula prenanthoides Muth 1976-7-26 MUTH s.n. Siskiyou Near Kelley Lake, on the Preston Peak quadrangle, close to the town of Happy Camp 1371 Comment
  RSA456183  Campanula prenanthoides M. B. Dunkle 1944-7-15 9097 Siskiyou Siskiyou Natl. Forest Comment
  SEINET10463106  Campanula prenanthoides Life 1923-8-6 LIFE s.n. Siskiyou Shasta Springs Comment
  SEINET10463177  Campanula prenanthoides Heckard 1969-7-25 HECKARD 2313 Siskiyou NR FALL CREEK INN ALONG GILMAN RD., BTWN SACRAMENTO & MCCLOUD ARMS OF SHASTA LAKE, 1300 Comment
  SEINET10463200  Campanula prenanthoides Rexford REXFORD s.n. Siskiyou S SIDE OF SHAFT-ROCK HUT(?), HILT Comment
  SEINET10939015  Campanula prenanthoides Feratte 1966-8-3 FERATTE 267 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's 1524 Comment
  SEINET10972404  Campanula prenanthoides Lathrop 1903-7-10 LATHROP s.n. Siskiyou Shasta Retreat Comment
  POM59331  Campanula rotundifolia E. B. Copeland 1903-9-7 3852 Siskiyou Mt. Eddy. 2744 Comment
  SEINET10873043  Campanula rotundifolia Edwin B. Copel 1903-9-7 Copeland 3852 Siskiyou Mount Eddy Comment
  SEINET10463385  Campanula scabrella Menzies 1962-7-21 MENZIES s.n. Siskiyou Mount Eddy 2530 Comment
  SEINET10939036  Campanula scabrella Edwin B. Copel 1903-8-18 Copeland 3844 Siskiyou MT. EDDY 2743 Comment
  POM59302  Campanula scouleri W. A. Setchell 1902-7-26 13688 Siskiyou Mt. Shasta. Sisson. Comment
  SEINET10463523  Campanula scouleri Muth 1975-8-1 MUTH s.n. Siskiyou NR. SUTCLIFFE CR., PRESTON PEAK QUAD. NR. HAPPY CAMP STREAMSIDE, EVERGREEN FOREST 1341 Comment
  UC890576  Campanula scouleri L. E. Smith 1913-7-12 480 Siskiyou Mt. Eddy Comment
  SEINET10463779  Campanula scouleri LEE 1934-8-13 LEE 1080 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  UC29022  Campanula scouleri Edward L. Greene 1876-8-22 1010 Siskiyou Scott Mountain 1828 Comment
  SEINET10463887  Campanula wilkinsiana Cooke 1947-8-20 COOKE 17822 Siskiyou Common in the meadow area around the water supply spring above Harse Camp, Mount Shasta 2515 Comment
  SEINET10872990  Campanula wilkinsiana Cooke 1941-8-28 COOKE 16238 Siskiyou Occasional through a spring area on the bank of Squaw Valley Creek, Mount Shasta 1829 Comment
  SEINET10972121  Campanula wilkinsiana Dress 1951-8-14 DRESS 3722 Siskiyou FOrming mats in short grass at edge of small spring on rocky slope on southwest side of Mt. Shasta. 2530 Comment
  UC631649  Campanula wilkinsiana M. D'Evelyn 1931-8-10 Siskiyou creek bed near Red Cap; Mount Shasta 2438 Comment
  LA206357  Cardamine bellidifolia Wm. Bridge Cooke; 1939-7-13 13644 Siskiyou along N and NE side of Red Butte Comment
  CAS-BOT-BC37749  Cardamine californica John Thomas Howell 1939-8-9 15241 Siskiyou Marble Mountains. Shackleford Creek Trail. Comment
  CAS-BOT-BC37797  Cardamine nuttallii Ira L. Wiggins 1950-5-28 12375 Siskiyou On ridge between Carmen Lake and headwaters of Grouse Creek. 1798 Comment
  CAS-BOT-BC18394  Carex Doris K. Kildale 1928-8-19 6517 Siskiyou English Lake, head of North Fork of Salmon River. Comment
  RSA237249  Carex abrupta Frederick W. Oettinger 1968-9-6 803 Siskiyou West shore of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  NY25627  Carex amplectens W. B. Cooke 1940-1 15123 Siskiyou Mount Shasta City 1082.0 Comment
  CAS-BOT-BC17857  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CAS-BOT-BC17865  Carex amplifolia Louis C. Wheeler 1934-6-14 2711 Siskiyou Siskiyou Mountains. Arrastre Creek off Hungry Creek. 1280 Comment
  NY25676  Carex amplifolia H. E. Brown 1897-6-1 319 Siskiyou Near Sisson 1082.0 Comment
  HSC76859  Carex amplifolia L. P. Janeway 1982-9-2 182 Siskiyou Next to creek 15 m below road from West Branch Guard Station towards Indian Creek 671 Comment
  CAS-BOT-BC17968  Carex angustata Frank Walton Gould 1940-5-14 1229 Siskiyou Bull Meadows, Goosenest Mountain. 1524 Comment
  CAS-BOT-BC17965  Carex angustata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  HSC61112  Carex bolanderi Ruby Van Deventer Aug 1955 Siskiyou FS 17N04, road to Doe Flat 1220 Comment
  SD53346  Carex breweri Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta. 2438 Comment
  CHSC107141  Carex cusickii R. E. Brainerd 2009-7-22 1559 Siskiyou Red Hill Meadow, east of Mt. Shasta; 4 air miles east of McCloud. UTM Zone 10 478466E 4568630N. 1036 Comment
  CAS-BOT-BC34382  Carex cusickii W. J. Ferlatte 1966-8-2 234 Siskiyou Trinity Alps. Big Flat Hillside. Between campground and South Fork of the Salmon River. 1524 Comment
  RSA610959  Carex densa L. C. Wheeler 1935-5-11 3475 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  HSC79088  Carex diandra L. P. Janeway 1983-8-6 511 Siskiyou At Poker Flat, lower part of meadow near drainage 1524 Comment
  HSC29666  Carex echinata subsp. echinata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1270 Siskiyou Marble Mtn. Wilderness Area, margin of English Lake 1768 Comment
  UC397125  Carex feta Geo. D. Butler 1910-6-6 1460 Siskiyou Quartz Valley Comment
  SEINET10650516  Carex feta George D. Butler Butler 1785 Siskiyou Oro Fino, in damp meadow. Comment
  RSA14330  Carex interior Elmer I. Applegate 1895-5-28 785 Siskiyou Sisson, Strawberry Valley. Comment
  CAS-BOT-BC35525  Carex jonesii A. A. Heller 1922-7-15 13706 Siskiyou Medicine Lake 2133 Comment
  RSA550445  Carex laeviculmis R. Tallent 1987-8-12 899 Siskiyou Klamath National Forest; Long Gulch Lake. 1940 Comment
  SEINET7563577 Image available Carex laeviculmis Ray Tallent 1987-8-12 899 Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  CAS-BOT-BC28433  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-25 13473 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC101883  Carex lenticularis var. lipocarpa Dana York 2011-9-9 3092 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  RSA724916  Carex lenticularis var. lipocarpa L. P. Janeway 2006-7-1 8716 Siskiyou Klamath Ranges, Salmon Mountains; Just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  CHSC96452  Carex luzulina Gordon Leppig; Jennifer Kalt 1996-7-9 354 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  CAS-BOT-BC31633  Carex luzulina var. ablata Peter H. Raven 1956-9-4 10381 Siskiyou Ridge S of Mt. Eddy. 2286 Comment
  RSA577568  Carex mariposana L. C. Wheeler 1934-7-21 3014 Siskiyou Head of Jaynes Canyon. Siskiyou Mountains. 2043 Comment
  SEINET10850462  Carex mariposana Louis C. Wheeler 1934-7-21 Wheeler 3014 Siskiyou Loose dry soil in sheltered spot. Head of Jaynes Canyon. Siskiyou Mts. S12, T47N, R10W. Mt. Diablo Mer. 2042 Comment
  UC1265431  Carex mertensii Frederick W. Oettinger 1969-8-6 1233 Siskiyou nw Pine Lake (White Pine Meadow); Salmon Mountains, Marble Mountain Wilderness 1882 Comment
  CAS-BOT-BC31838  Carex microptera William Bridge Cooke 1939-7-21 13732 Siskiyou In small bog around lower Wagon Camp Springs. 1737 Comment
  HSC76805  Carex microptera L. P. Janeway 1982-8-15 140 Siskiyou Above Echo Lake 1799 Comment
  CAS-BOT-BC32012  Carex multicaulis M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on S Fork of Salmon River. 1524 Comment
  JEPS63498  Carex multicaulis W. L. Jepson 1940-6-27 20043 Siskiyou e slope, Mt. Shasta Mt. Shasta 2133 Comment
  UC593523  Carex multicaulis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1927 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  CAS-BOT-BC32007  Carex multicaulis A. A. Heller 1922-7-3 13675 Siskiyou On dry gravelly slopes along Wagon creek in the Canadian zone. 2225 Comment
  CDA33113  Carex multicaulis T. C. Fuller 1962-6-11 8963 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  HSC35791  Carex multicaulis J. O. Sawyer 1969-6-12 932 Siskiyou Along trail to Duck Lake 1799 Comment
  HSC85798  Carex multicostata L. P. Janeway 1983-9-11 678 Siskiyou Poker Flat 1524 Comment
  UC1359 Image available Carex multicostata W. H. Brewer 1862-9-13 1398 Siskiyou Mt. Shasta 2133 Comment
  UCD77481  Carex multicostata Robert E. Preston 2001-7-21 1717 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2042 Comment
  HSC29633  Carex multicostata Frederick W. Oettinger 1968-8-8 450 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  UC642550  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou near Municipal Spring (above Howard); Mount Shasta Comment
  HSC76376  Carex nebrascensis L. P. Janeway 1982-8-10 119 Siskiyou E side of Hwy. 96, 2 mi. S of Ti Bar 244 Comment
  CAS-BOT-BC119676  Carex nervina R. Tallent 1987-8-13 914 Siskiyou Klamath National Forest, Forest Rd 39N11 at Little Jackson Creek. 1739 Comment
  CAS-BOT-BC119465  Carex nudata C. F. Baker 1903-7-4 3541 Siskiyou Klamathon Comment
  POM224492  Carex nudata L. C. Wheeler 1934-9-22 3296 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt. Diablo Mer.) 518 Comment
  CAS-BOT-BC31055  Carex pachycarpa K. T. Stillman 1976-7-14 231 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area. 1950 Comment
  CAS-BOT-BC118781  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  RSA91047  Carex preslii J. T. Howell 1937-7-24 13431 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  SDSU11712  Carex raynoldsii D. F. Howe 1964-8-4 3931 Siskiyou Meadow, Medicine Lake, Modoc National Forest. 2012 Comment
  CHSC102562  Carex rossii L. P. Janeway 2009-8-3 9891 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.4 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  HSC86446  Carex rossii D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, near Haypress Meadows 1372 Comment
  HSC39301  Carex rostrata J. O. Sawyer 1969-7-12 1347 Siskiyou Edge of Sugar Lake 1799 Comment
  HSC39302  Carex rostrata J. O. Sawyer 1969-8-1 1598 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC68517  Carex scabriuscula Maralyn A. Renner 1980-6-26 1170 Siskiyou Flint Valley. 1390 Comment
  RSA238966  Carex scopulorum Frederick W. Oettinger 1968-8-2 353 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET7575018 Image available Carex scopulorum var. bracteosa Frederick W. Oettinger 1969-9-4 1649 Siskiyou Tobacco Lake. The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1890 Comment
  SEINET7575019 Image available Carex scopulorum var. bracteosa Frederick W. Oettinger 1969-8-6 1262 Siskiyou Salmon Mountains; High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, west of Tom's Lower Pond. 1951 Comment
  HSC39293  Carex spectabilis J. O. Sawyer 1969-7-18 1375 Siskiyou E of Waterdog Lake 2012 Comment
  HSC39298  Carex spectabilis J. O. Sawyer 1969-7-24 1494 Siskiyou SW of Sugar Lake 1890 Comment
  HSC69359  Carex spectabilis Maralyn A. Renner 1980-8-19 2486 Siskiyou S side of Caribou Lake 2104 Comment
  HSC30524  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Marble Mtn. Wilderness Area, slope SE of Abbott's Lake 1723 Comment
  HSC715  Carex spectabilis William J. Ferlatte 1967-8-20 1047 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge, N-facing slope 2256 Comment
  UC70598  Carex straminiformis Geo. B. Grant September, 1902 5116 Siskiyou Horse Camp Mount Shasta 2438 Comment
  SEINET11638246  Carex straminiformis C. G. Pringle 1882-1 s.n. Siskiyou Mount Shasta 2438 Comment
  HSC76828  Carex utriculata L. P. Janeway 1982-7-2 39 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  HSC76836  Carex vesicaria L. P. Janeway 1982-8-13 128 Siskiyou N side of Bear Lake 1814 Comment
  CAS-BOT-BC114818  Carex whitneyi William Bridge Cooke 1938-7-1 11161 Siskiyou Mount Shasta. 1676 Comment
  SEINET4110863  Carex whitneyi D. W. Taylor 2005-1 19382 Siskiyou Antelope Creek; along unnamed tributary that drains from Rainbow Mountain, just upstream from the crossing of Forest Road 42N16. 1697 Comment
  CAS-BOT-BC114817  Carex whitneyi J. Major 1961-7-14 645 Siskiyou In Mud Creek, Mount Shasta. 1706 Comment
  UC1951314  Cassiope mertensiana Robert F. Thorne and Fred Oettinger 1969-8-4 63371 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. SE side of diamond Lake. Comment
  HSC62029  Cassiope mertensiana subsp. ciliolata Al Hobart 1960-7-25 Siskiyou Preston Peak 1982 Comment
  JEPS68265  Castilleja L. R. Heckard 1972-5-31 2939 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  HSC76913  Castilleja applegatei K. T. Stillman 1976-6-26 125 Siskiyou Marble Mountain Wilderness Area; Top of pass from Bear Valley 2012 Comment
  HSC20505  Castilleja applegatei R. C. Wunner 1965-6-6 93 Siskiyou Lava Beds National Monument, .2 mi. on Rd. to Caldwell Ice Cave 1402 Comment
  CAS-BOT-BC241141  Castilleja applegatei subsp. pinetorum J. H. Chastain 1917-6-1 s.n. Siskiyou North fork of Trinity River Comment
  HSC19229  Castilleja applegatei subsp. pinetorum J. O. Sawyer 1969-8-4 1871 Siskiyou Slopes W of S Sugar Lake 2165 Comment
  HSC44723  Castilleja applegatei subsp. pinetorum J. O. Sawyer, Ed Cope 1977-6-18 2906 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  CAS-BOT-BC105070  Castilleja arachnoidea R. C. Wenk 2008-7-23 902 Siskiyou SW side of Mount Shasta, trail from Bunny Flat (6950 ft) to Sierra Club Cabin above Avalanche Gulch (7600 ft) 2316 Comment
  JEPS6841  Castilleja arachnoidea H. A. Thomas and J. H. Thomas 1954-7-24 4481 Siskiyou about 9 mi e Cecilville (vicinity of Rush Lake and Rush Creek Meadow); Salmon-Trinity Mts., Rush Lake, Rush Creek Meadow 1828 Comment
  JEPS76189  Castilleja arachnoidea T. I. Chuang with Fei-Mei Chuang 1977-7-22 7633 Siskiyou Panther Meadow Mt. Shasta 2194 Comment
  UC454801  Castilleja arachnoidea I. J. Condit 1911-7-22 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  UC618868  Castilleja arachnoidea Alice Eastwood 1938-8-21 11535 Siskiyou Horse Camp Flats Mount Shasta (sw slope of Mount Shasta) 2438 Comment
  CAS-BOT-BC33680  Castilleja arachnoidea George Dexter Butler 1908-8-6 422 Siskiyou Summit between Marble Valley and West Fork of Wooly Creek Comment
  RSA249713  Castilleja arachnoidea Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  SBBG40132  Castilleja hispida subsp. brevilobata C. B. Hardham 1961-6-30 8029 Siskiyou between Mud Springs and White Mtn 1828 Comment
  HSC82560  Castilleja lacera Thomas W. Nelson, Jane P. Nelson 1979-5-26 4719 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CAS-BOT-BC253623  Castilleja miniata A. A. Heller 1939-7-27 15431 Siskiyou Panther Meadow, Mt. Shasta. 2438 Comment
  CAS-BOT-BC254114  Castilleja miniata A. A. Heller 1914-8-26 11716 Siskiyou Deetz Station near Black Butte 1158 Comment
  HSC91230  Castilleja miniata subsp. miniata Jennifer Whipple 1977-8-6 2196 Siskiyou SW of Dobkins Lake along the drainage into the lake 2073 Comment
  HSC20550  Castilleja pilosa R. C. Wunner 1965-6-7 128 Siskiyou Lava Beds National Monument, near Dragon Head Cave 1364 Comment
  JEPS23708  Castilleja pruinosa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7211 Siskiyou 4.5 mi ne Weed 1066 Comment
  RSA184820  Castilleja pruinosa Gilbert Muth 1966-7-14 394 -A Siskiyou Marble, south of Marble Valley, Marble Mountains. 1793 Comment
  SFV8659  Castilleja schizotricha J. M. Tucker, L. K. Mann 1963-8-18 3766 Siskiyou Marble Mountain Wilderness Area. Saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain). 2104 Comment
  CAS-BOT-BC47941  Ceanothus O. V. Matthews 1939-7-8 26 Siskiyou From along Kangaroo Mtn. (?) Forest Service trail near Seiad Grove of Bakers Cypress 1371 Comment
  UC338006  Ceanothus cordulatus Lemmon 1889-6-28 Siskiyou near Mt. Eddy; Shasta region 1828 Comment
  CAS-BOT-BC126854  Ceanothus cuneatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53421 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  POM126427  Ceanothus cuneatus A. M. Alexander, Louise Kellogg 1911-6-13 140 Siskiyou 6 miles northwest Callahan. Comment
  SEINET13945833 Image available Ceanothus cuneatus F. G. Meyer 1938-1 1328 a Siskiyou On open slopes, 20 miles N of Redding Comment
  UC163699  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1910-5-2 1267 Siskiyou Yreka Comment
  CAS-BOT-BC63603  Ceanothus integerrimus Clarence R. Quick 1958-6-17 58 -27 Siskiyou Near Black Bear Summit s. of Sawyer's Bar on ridge road to cecilville. 1356 Comment
  HSC59645  Ceanothus integerrimus J. P. Smith, Steve Selva 1970-6-16 4086 Siskiyou W of Sawyers Bar Comment
  UC18347  Ceanothus integerrimus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC52114  Ceanothus prostratus Elmer I. Applegate 1929-6-18 5740 Siskiyou Weed Comment
  HSC36948  Ceanothus prostratus J. P. Smith 1974-5-26 7554 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  RSA753171  Ceanothus prostratus Dylan O. Burge 2009-5-13 1165 b Siskiyou Scott Mts., The Eddys, Parks Creek watershed, W of Tamarack Flat and SE of Caldwell Lakes, roadside on FR 17, parking 11.4 road miles (18.3 km) SW of Old Hwy 99 via Stewart Springs Road and FR 17. 17.2 km 188 degrees (True) SSW of Gazelle 1950 Comment
  OBI80339  Ceanothus sanguineus David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  OBI10323  Ceanothus velutinus H. E. McMinn 1931-6-27 2519 Siskiyou Shasta City Comment
  RSA398978  Ceanothus velutinus Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  UC1483459  Ceanothus velutinus Maralyn A. Renner 1980-7-23 1921 Siskiyou Pacific Crest Trail on w side Upper Devils Peak; Klamath National Forest, Seiad Valley Quad. 1767 Comment
  UC33616  Ceanothus velutinus W. C. Blasdale 1894-7-30 Siskiyou Sisson Comment
  CAS-BOT-BC52843  Ceanothus velutinus var. velutinus Doris K. Kildale 1929-7-20 8709 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  CDA18053  Centaurea diffusa Paul McCanna 1999-7-2 PDR 1128385 Siskiyou vicinity of Yreka. 0 Comment
  CDA21355  Centaurea pratensis L. Wehmeyer 2001-11-7 s.n. Siskiyou Jct of W Ream and WA Barr Rd. in Mt. Shasta. 0 Comment
  CDA21356  Centaurea pratensis L. Wehmeyer 2001-11-8 s.n. Siskiyou Environmental Education Area off North Shore Rd. in Mt. Shasta. 0 Comment
  HSC33354  Centaurea virgata subsp. squarrosa William J. Ferlatte 1974-6-27 1501 Siskiyou 0.5 mile W of Hawkinsville on Long Gulch Rd.; N side 793 Comment
  CAS-BOT-BC288800  Centromadia fitchii A. A. Heller 1925-7-25 13907 Siskiyou About 7 miles S of Yreka Comment
  HSC19081  Cephalanthera austiniae J. O. Sawyer 1969-7-23 1175 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC66262  Cephalanthera austiniae M. S. Taylor 1980-7-8 3087 Siskiyou N side of Castle Lake Rd (39N24)., 0.9 mi. W of its jct. with FS 40N26, at SE side of Lake Siskiyou 1037 Comment
  POM107576  Cephalanthera austiniae Geo D. Butler 1909-7-15 882 Siskiyou Russian Creek. 1829 Comment
  CAS-BOT-BC135447  Cercocarpus betuloides var. betuloides C. R. Quick 1950-6-21 50 -06 Siskiyou Along Beaver Creek Road, just N of Klamath River Comment
  SEINET10685135  Cercocarpus ledifolius var. intermontanus Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 183 Siskiyou Shasta-Trinity National Forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road. 1218 Comment
  JEPS44708  Cercocarpus ledifolius var. ledifolius W. L. Jepson 1940-6-23 20023 Siskiyou Andesite Station n of Mount Shasta; Andesite Station 975 Comment
  HSC27460  Cercocarpus montanus var. macrourus J. P. Smith, J. O. Sawyer 1972-5-28 5385 Siskiyou Salmon River at bridge west of O'Farrill Gulch 549 Comment
  POM351687  Chaenactis carphoclinia M. B. Dunkle 1945-1 9286 Siskiyou Klamath National Forest, Marble Mountains, Kings Castle 2378 Comment
  CAS-BOT-BC276762  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-12 9532 Siskiyou Between Captain Jack's and Three Sisters, Lava Beds National Monument Comment
  CAS-BOT-BC276774  Chaenactis douglasii var. douglasii Gilbert Muth 1965-8-12 s.n. Siskiyou Black Mountain, S slope Comment
  HSC5247  Chaenactis douglasii var. douglasii R. C. Wunner 1965-7-9 366 Siskiyou California Lava Beds National Monument; Start of trail to Black Crater 1341 Comment
  HSC5257  Chaenactis douglasii var. douglasii R. C. Wunner 1965-7-9 365 Siskiyou California Lava Beds National Monument; Start of trail to Black Crater 1341 Comment
  CAS-BOT-BC106042  Chaenactis suffrutescens L. E. Smith 1913-6-12 357 Siskiyou Road from Sisson to Castle Lake Comment
  CAS-BOT-BC106043  Chaenactis suffrutescens A. A. Heller 1922-6-22 13671 Siskiyou Shasta Valley between Gazelle and Edgewood Comment
  UC193158  Chaenactis suffrutescens M. K. Curran 1887-6-1 Siskiyou Edgewood Comment
  CHSC98913  Chamaebatiaria millefolium L. P. Janeway; B. Castro 2007-7-28 9132 Siskiyou Modoc Plateau. Next to the southern lobe of the Callahan Flow, along Road 44N01 1.7 km south-southwest of Cinder Butte. 1795 Comment
  RSA85261  Chamaebatiaria millefolium F. W. Peirson 1923-7-19 3753 Siskiyou Laird's landing. Comment
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Jun 20 2012
  SEINET515847  Chamaebatiaria millefolium Vernon Oswald 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  CAS-BOT-BC85663  Chamaecyparis lawsoniana Miss Herzinger 1903-11-1 s.n. Siskiyou Scott River Valley Comment
  CDA1805  Chamaecyparis lawsoniana D. G. Kelch 2007-7-25 7 .497 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  NY19114  Chamaecyparis nootkatensis S. W. Edwards 1983-7-11 SWE- 21 --83 Siskiyou Klamath National Forest, south end of Buck Lake. 1310.6 Comment
  JEPS24627  Chamaesaracha nana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6780 Siskiyou near beginning road to Wagon Camp (just off Everitt Memorial Highway, lower slopes of Mt Shasta); Mt. Shasta 1737 Comment
  UCD77517  Chamaesaracha nana Robert E. Preston 2002-6-20 1823 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1888 Comment
  UC902143  Chamaesyce maculata Joseph P. Tracy 1949-9-13 18549 Siskiyou near forks Salmon (at mouth of Butter Creek) 274 Comment
  RSA499043  Chamaesyce serpillifolia L. C. Wheeler 2613 Siskiyou Oak knoll Ranger Station, Klamath River. 671 Comment
  JEPS52331  Chamaesyce serpyllifolia Geo. D. Butler 1908-8-15 71 Siskiyou near Yreka; McNulty Ranch Comment
  UC163690  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-14 445 Siskiyou near Yreka Comment
  CAS-BOT-BC165979  Chamerion angustifolium Gilbert Muth 1965-8-4 s.n. Siskiyou Marble Valley Comment
  UC618797  Chamerion angustifolium subsp. circumvagum W. Bridge Cooke 1938-7-22 11329 Siskiyou Sisson Southern Trail Mount Shasta Comment
  HSC69235  Cheilanthes gracillima Maralyn A. Renner 1980-9-1 2711 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC1001  Cheilanthes gracillima Jerry Parker 1968-10-6 135 Siskiyou Salmon Mtns. above Sugar Lake 1829 Comment
  UCD97763  Chenopodium album A. A. Heller 1915-8-24 12212 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC92437  Chenopodium atrovirens Jennifer Whipple 1976-7-9 1384 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  CDA3019  Chenopodium chenopodioides R. Pederson, G. Pederson 1979-8-15 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  SJSU15098  Chenopodium rubrum C. W. Sharsmith 1992-9-17 9245 Siskiyou 1225 Comment
  HSC19017  Chimaphila umbellata J. O. Sawyer 1969-7-23 1163 Siskiyou Near Horse Range Creek. 1341 Comment
  SBBG25825  Chimaphila umbellata D. Myrick 1966-8-10 1526 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC876121  Chimaphila umbellata Alice Eastwood 1912-7-15 1113 Siskiyou McCloud Comment
  UCD110116  Chrysolepis chrysophylla R. Tofsrud; J. M. Tucker 1948-8-3 1774 Siskiyou 6.7 miles (by road) below summit of Happy Camp-Waldo (Oregon) road. Comment
  HSC4936  Chrysolepis sempervirens J. O. Sawyer 1968-6-25 332 Siskiyou 1646 Comment
  RSA237811  Chrysolepis sempervirens Frederick W. Oettinger 1968-8-22 589 Siskiyou On n.e. face of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC455273  Chrysolepis sempervirens I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake 2133 Comment
  POM352008  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1934-6-26 2788 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts. 732 Comment
  RSA14487  Chrysothamnus nauseosus subsp. consimilis Elmer I. Applegate 1923-8-21 3926 Siskiyou Low alkaline ground along Willow Creek S of lower Klamath marsh Comment
  UC165412  Chrysothamnus viscidiflorus subsp. viscidiflorus Geo. D. Butler 1910-7-20 1731 Siskiyou Goose Nest foothills Goose Nest 1524 Comment
  CAS-BOT-BC279846  Cichorium intybus Nancy Ryan Zabriskie; Walter Zabriskie 1973-6-10 675 Siskiyou Hwy 96 along the Klamath River above Doggett Creek bridge 609 Comment
  RSA603491  Cichorium intybus L. C. Wheeler 1935-6-27 3614 Siskiyou Greenview, Scott Valley. 884 Comment
  UC60953  Cicuta douglasii Geo. B. Grant September 1902 5143 Siskiyou Mount Shasta, Sisson Mount Shasta; Pacific Coast, , Sisson 914 Comment
  CDA38294  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  RSA183464  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1951 Comment
  HSC16252  Circaea alpina subsp. pacifica Dorothy Parker 1949-6-26 Siskiyou Salmon Mtn. Range, Etna Creek 1177 Comment
  HSC42957  Circaea alpina subsp. pacifica J. O. Sawyer, Ken Stillman 1976-7-1 2783 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UC157918  Circaea alpina subsp. pacifica Milo S. Baker 1898-8-1 494 Siskiyou Payne's Springs Comment
  POM89964  Circaea alpina subsp. pacifica L. R. Abrams 1922-6-29 8469 Siskiyou Mill Creek Comment
  JEPS24816  Cirsium andersonii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6829 Siskiyou U.S. Forest Service camp ground at Scott Mtn. road summit Scott Mtn. (boundary of Siskiyou and Trinity Cos.) 1646 Comment
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Jan 4 2012
  RSA0070845  Cirsium andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4545 Siskiyou Along State Route 3, just N of Scott Mountain Summit. 1585 Comment
  RSA0070600  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Below log-truck loading area, both sides of Goosenest Road, 14 km NE of Tennant. 0.004 ha./0.04 ha. Comment
  CDA1181  Cirsium cymosum T. C. Fuller 1960-5-24 4342 Siskiyou 1.5 mi. E/ Yreka, N/ R.R. Comment
  CDA1188  Cirsium cymosum G. D. Barbe, F. D. Horn 1982-7-14 3889 Siskiyou 5 mi. NW of Yreka on Humbug Rd., dry ridge extending NE of Humbug Peak, Klamath National Forest. Comment
  UC30780  Cirsium douglasii var. breweri W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta, Sisson Comment
  CAS-BOT-BC279892  Cirsium douglasii var. breweri R. Ornduff; J. R. Swanson 1960-7-27 6271 Siskiyou About one mile north of Trinity County line on road from Scott Mountain to Trinity Center Comment
  CDA1276  Cirsium inamoenum T. C. Fuller 1979-10-3 20271 -C Siskiyou Goosenest Rd., 14 km northeast of Tennant. 0 Comment
  CAS-BOT-BC288009  Cirsium occidentale var. candidissimum Lester Rowntree 1937-8-5 s.n. Siskiyou Between Callahan and Etna Comment
  OBI54117  Cirsium remotifolium var. odontolepis David J. Keil 1992-7-20 23495 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  SEINET8198345 Image available Cirsium remotifolium var. rivulare D. W. Taylor 2002-7-27 18277 Siskiyou Salmon Mountains, logging road ca. 1 mile North from Carter Meadow Summit (8 miles Southwest of Callahan) 1981 Comment
  CDA1609  Cirsium undulatum J. Massey 1988-7-7 s.n.-(A) Siskiyou East of Dorris, Glenn Butler property. 0 Comment
  HSC26754  Cirsium vulgare J. P. Smith, J. O. Sawyer 1971-9-18 4818 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC1034589  Clarkia purpurea subsp. quadrivulnera Douglas Barbe 1955-7-1 73 Siskiyou 1.3 mi e Etna (s of the Westside Rd. to Callahan); Klamath Mountains 853 Comment
  JEPS116876  Clarkia rhomboidea David Gowen 2007-7-11 779 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Near rocky area on side trail, midway between railroad tracks and pumice mine. Comment
  POM46297  Clarkia rhomboidea Geo. D. Butler 1900-5-30 1436 Siskiyou Near Hawkinsville Comment
  POM228993  Claytonia parviflora L. C. Wheeler 1935-5-5 3466 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  RSA299446  Claytonia parviflora J. P. Smith 1973-5-5 6523 Siskiyou Scott Bar along the Scott River. Comment
  CAS-BOT-BC439810  Claytonia perfoliata Roxana S. Ferris; Laura Lorraine 1948-6-12 11886 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge 1066 Comment
  HSC22124  Claytonia rubra subsp. rubra J. O. Sawyer 1969-6-11 815 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  CAS-BOT-BC443826  Claytonia rubra subsp. rubra Geo. D. Butler 1909-3-24 676 Siskiyou Old Mining Dump, Oro Fino Comment
  POM149886  Clematis ligusticifolia Geo. D. Butler 1910-8-3 1810 Siskiyou Yreka Creek. Comment
  RSA537379  Clematis ligusticifolia Walter Wisura, J. Romero 1991-10-17 4593 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  JEPS82734  Clintonia uniflora Wayne Roderick 1983-7-10 Siskiyou Doe Flat, near Del Norte County boundary Doe Flat 1143 Comment
  UC843793  Clintonia uniflora L. E. Smith 1913-9-1 558 Siskiyou Mount Eddy Comment
  CAS-BOT-BC499972  Clintonia uniflora A. A. Heller 1919-6-20 13251 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC500957  Clintonia uniflora L. E. Smith 1913-9-1 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC500958  Clintonia uniflora Mabel E. Stonehouse 1916-6-17 s.n. Siskiyou Hilt Comment
  HSC579  Clintonia uniflora William J. Ferlatte 1966-7-7 221 Siskiyou Big Flat, near public camp 1524 Comment
  SEINET10966302  Clintonia uniflora John G. Lemmon 1879-7-12 Lemmon s.n. Siskiyou Scotch Camp, Mount Shasta, CA. Comment
  SEINET3131040  Clintonia uniflora G. D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  RSA181625  Cnicus benedictus Dorothy Parker 1950-6-19 458 Siskiyou Near Scott River, Scott Valley (Horn Ranch) 851 Comment
  POM43382  Collinsia grandiflora Geo. D. Butler 1226 Siskiyou Quartz Valley. Comment
  UC722347  Collinsia linearis C. L. Hitchcock, J. S. Martin 1939-7-7 5232 Siskiyou road to Bolan Lake 6 mi from junction with Takilma-Happy Camp Road Bolan Lake 1767 Comment
  JEPS23293  Collinsia parviflora Rimo Bacigalupi with Arthur and Ruby Van Deventer 1959-7-9 7266 Siskiyou Poker Flat 1536 Comment
  JEPS30108  Collinsia parviflora Al Hobart 1963-5-21 Siskiyou Poker Flat; Siskiyou Mtns; Poker Flat 1536 Comment
  UC796437  Collinsia parviflora Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11734 Siskiyou French Creek Logging Road w of Callahan; French Creek Logging Road 1066 Comment
  CHSC96009  Collinsia rattanii L. P. Janeway 2006-7-3 8765 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  HSC29394  Collinsia rattanii Frederick W. Oettinger 1968-8-16 544 Siskiyou Red Hill near outlet of Hancock Lake 1997 Comment
  RSA412244  Collinsia torreyi Christopher Davidson 1975-6-5 2671 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  RSA12500  Collinsia torreyi var. latifolia Carl B. Wolf 1934-7-4 5936 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13.5 mi. from Horse Creek Bridge on Klamath River. 1524 Comment
  RSA12614  Collomia grandiflora C. B. Wolf 1934-7-5 5971 Siskiyou 6-6/10 mi. from Dry Lake Lookout on rd. to Oak Knoll R. S. on Klamath River 1524 Comment
  CAS-BOT-BC94906  Collomia grandiflora R. C. Wenk 2005-7-15 225 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  HSC69116  Collomia tinctoria Maralyn A. Renner 1980-8-7 2392 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC78207  Collomia tinctoria L. P. Janeway 1983-8-6 495 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  JEPS101160  Collomia tinctoria Dean W. Taylor 1996-6-18 15705 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  UC2013021  Collomia tinctoria Barbara Ertter 1990-7-14 9333 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  UC726802  Collomia tinctoria A. A. Heller 1916-6-20 12404 Siskiyou ne base of mountain Mt. Eddy, Metcalf's Ranch 1188 Comment
  UCR80251  Collomia tinctoria L. C. Wheeler 1934-6-7 2652 Siskiyou Siskiyou Mountains, Dry open summit at Hungry Creek Lookout, Mt. Diablo Mer 1502 Comment
  HSC19054  Collomia tinctoria J. O. Sawyer 1969-7-1 968 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  UC971919  Collomia tracyi Herbert L. Mason 1950-7-15 14043 Siskiyou stream wash Scott Valley, Scott Creek Comment
  CAS-BOT-BC376184  Conium maculatum Andrew Townesmith; Karen M. Meyer 2007-8-3 899 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area) 593 Comment
  UC375215  Corallorhiza maculata Geo. D. Butler 1908-7-12 Siskiyou Humbug Mountain Comment
  UC796502  Corallorhiza maculata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11751 Siskiyou French Creek Logging Rd w Callahan 1066 Comment
  SEINET4854286  Cordylanthus pallescens Francis W. Pennell 1940-1 26184 Siskiyou Route 99, 2-3 mi N of Mount Shasta City. 1159 Comment
  UCSB61656  Cordylanthus tenuis Bacigalupi, Rimo 1954-8-13 Siskiyou Lower part of grade over Scott Mountain, on road from Callahan to Carrville, 1.2 mi. above (& So. of) junction with Gazell road 1097 Comment
  JEPS57397  Cordylanthus tenuis subsp. pallescens L. R. Heckard with T. I. Chuang 1968-7-3 1972 Siskiyou w Mt. Shasta City (se of Black Butte, along garbage disposal road just off hwy 5 (old 99)) 1173 Comment
  SEINET10913361 Image available Cordylanthus tenuis subsp. pallescens Francis W. Pennell 1940-7-18 Pennell 26184 Siskiyou Route 99. Gravelly andesitic slope. 2-3 miles north of Mount Shasta City. 1158 Comment
  CHSC105580  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16281 Siskiyou Shasta-Trinity National Forest; road A10 between town of Mount Shasta and Panther Meadow on the mountain itself. Lat. and Long. indicated +/- 46 feet. 1344 Comment
  CHSC105582  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16205 Siskiyou Forest Service Road 41N26, the Eddy Creek Road, 2.8 miles above the junction with Old Stagecoach Road (study site 11). Lat. and Long. indicated +/- 22 feet. 1280 Comment
  CHSC105591  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Road, on both sides of the road. Label says +/- 33 feet of Lat. and Long. shown. 995 Comment
  RSA523462  Cordylanthus tenuis subsp. viscidus L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1968-8-13 2123 Siskiyou Along Dunsmuir Avenue, just over a mile south of Dunsmuir (downtown). 823 Comment
  HSC31547  Cornus nuttallii Steve Selva, Roger Jensen 1974-8-17 24 Siskiyou 1 mi. below base of Sugar Lake trail along Rd. 40N23 Comment
  RSA397465  Cornus nuttallii Christopher Davidson 1975-6-5 2648 Siskiyou 2.0 mi E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1189 Comment
  SD76143  Cornus nuttallii Helen V. Witham 1969-10-7 588 Siskiyou 3.0 miles south of Scott's Bar. 500 Comment
  CAS-BOT-BC210395  Cornus sericea Doris K. Kildale 1929-7-20 8747 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  UCD117302  Cornus sericea Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 609 Siskiyou Summit of Indian Creek Road, 3.5 miles south of California -- Oregon state line. Comment
  UCSB22161  Cornus sericea Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; 22.2 miles north of Happy Camp 1402 Comment
  CAS-BOT-BC210388  Cornus sericea H. A. Thomas; J. H. Thomas 1954-7-26 4545 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville 914 Comment
  CHSC451  Cornus sericea subsp. sericea M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  HSC26907  Cornus sericea subsp. sericea J. P. Smith, J. O. Sawyer 1971-9-17 4789 Siskiyou Horse Range Creek drainage along road. Comment
  HSC46851  Cornus sericea subsp. sericea William J. Ferlatte 1976-9-22 1854 Siskiyou Grouse Ridge along Yellow Rose Mine Trail. 567 Comment
  HSC69542  Cornus sericea subsp. sericea Maralyn A. Renner 1980-8-6 2245 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC180202  Corylus cornuta subsp. californica Alice Eastwood 1912-7-15 1093 Siskiyou Mc. Cloud Comment
  CAS-BOT-BC290476  Crepis acuminata John Thomas Howell 1937-7-22 13331 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA14481  Crepis acuminata Elmer I. Applegate 1932-6-13 7241 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
  JEPS36460  Crepis occidentalis Geo. D. Butler 1909-5-8 754 Siskiyou Butcher Hill Comment
  CAS-BOT-BC376572  Crepis occidentalis subsp. pumila G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-19 2441 Siskiyou 2 1/2 mi. northeast of Fort Jones, along highway to Yreka 850 Comment
  CAS-BOT-BC290880  Crepis pleurocarpa Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  HSC19011  Cryptantha affinis J. O. Sawyer 1969-7-9 1209 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  CHSC97392  Cryptantha ambigua Jenny Marr 2006-6-18 228 Siskiyou Cascade Range High. Plants collected along Hwy. 97. West side of road. 1524 Comment
  HSC3598  Cryptantha celosioides R. C. Wunner 1965-6-15 184 Siskiyou Lava Beds National Monument; SE side of Caldwell Butte, ca. 1/2 way down steep red cinder slope above cinder pit 1463 Comment
  UC1042564  Cryptantha flaccida John Thomas Howell 1952-6-14 28342 Siskiyou 9.5 mi from Ft. Jones (on road to Callahan) 853 Comment
  UC79567  Cryptantha intermedia Katharine Brandegee Jul 1887 Siskiyou Edgewood Comment
  UC564180  Cryptantha subretusa Elmer I. Applegate 1935-6-10 9486 Siskiyou s side Caldwell Butte (s Siskiyou County); Lava Beds National Monument Comment
  SBBG30582  Cryptantha torreyana D. Myrick 1968-6-25 2024 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  CAS-BOT-BC70482  Cryptogramma acrostichoides Louis C. Wheeler 1934-8-2 3017 Siskiyou Alex Hole, Alex Canyon, Siskiyou Mts. 1889 Comment
  HSC375  Cryptogramma acrostichoides William J. Ferlatte 1966-6-22 118 Siskiyou Josephine Lake Basin 1677 Comment
  SEINET9628241 Image available Cryptogramma cascadensis W. B. Cooke 1941-1 16304 Siskiyou Scattered through the lava slopes above Horse Camp, Mt. Shasta. 2515 Comment
  CAS-BOT-BC80554  Cupressus bakeri Oliver V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove, Cook and Green Region 1219 Comment
  NY16604  Cupressus bakeri C. B. Wolf 1934-10-9 6170 Siskiyou Siskiyou Mountains, above West Fork of Seiad Creek, 0.75 miles above forks of creek 1158.2 Comment
  CAS-BOT-BC213751  Cupressus bakeri subsp. matthewsii Carl Brandt Wolf 1934-10-9 2130 Siskiyou Siskiyou Mts., above W. fork of Seiad Creek, 3/4 mi. above forks of creek 1158 Comment
  UC60940  Cuscuta cephalanthi Geo. B. Grant Sep 1902 5217 Siskiyou Mount Shasta Comment
  JEPS24800  Cuscuta howelliana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6809 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  RSA7492A  Cuscuta occidentalis C. F. Baker 1903-7-6 3498 Siskiyou Hornbrook. Comment
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Jun 22 2012
  UC879557  Cuscuta occidentalis W. Bridge Cooke 1940-6-20 15144 Siskiyou w of Pacific Highway (in the vicinity along the Klamath River Highway) Comment
  RSA17701  Cycladenia humilis Elmer I. Applegate 1935-6-10 s.n. Siskiyou Siskiyou County: steep cinder slope of Caldwell Butte, Lava Beds National monument, NE corner of Siskiyou Comment
  UCD77582  Cycladenia humilis Robert E. Preston 2001-7-21 1746 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2194 Comment
  UCD77587  Cynoglossum officinale Robert E. Preston 2002-7-11 1898 Siskiyou Klamath National Forest, Trout Creek Meadow. 1505 Comment
  HSC7281  Cyperus bipartitus L. C. Wheeler 1934-9-15 3259 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  HSC7266  Cyperus squarrosus C. B. Wolf 1927-8-26 993 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  JEPS109696  Cypripedium californicum Dean W. Taylor 2002-7-20 18254 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  UC164390  Cypripedium montanum Geo. D. Butler 1910-6-19 Siskiyou <?> Mountain Comment
  CAS-BOT-BC70711  Cystopteris fragilis Doris K. Kildale 1928-7-2 5400 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  HSC19012  Cystopteris fragilis J. O. Sawyer 1969-8-2 1706 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC41043  Cystopteris fragilis J. O. Sawyer 1970-3-4 2062 Siskiyou N of Idlewild Campground 762 Comment
  UC812183  Cystopteris fragilis John Thomas Howell 1939-8-3 14975 Siskiyou Spirit Lake; Marble Mts. Comment
  UCR19365  Danthonia californica var. americana John C. Roos 1965-8-8 s.n. Siskiyou Marble Mtns., Middle Sky High Lake Comment
  HSC44949  Danthonia unispicata J. O. Sawyer 1978-6-17 3233 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  HSC82476  Danthonia unispicata Thomas W. Nelson, Jane P. Nelson 1979-6-15 4798 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  HSC91411  Danthonia unispicata Jennifer Whipple 1976-7-7 1333 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  UCD61357  Danthonia unispicata L. Whitney 1935-7-15 3482 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  CHSC71604  Darlingtonia californica Vernon H. Oswald 1998-8-3 9441 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. we ... Field redacted by CHSC, contact the data manager for more information 1981 Comment
  UCD168831  Darlingtonia californica Barry Rice 2015-8-15 BR 150804 Siskiyou East end of Kangaroo Lake. 1838 Comment
  UCR95194  Darlingtonia californica L. C. Wheeler 1963-9-1 8329 Siskiyou Siskiyou Mtns, W side Clear Creek c. 1/2 mi upstream from Trout Camp. 1037 Comment
  CAS-BOT-BC420667  Darmera peltata George B. Grant 1902-9-13 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC420668  Darmera peltata A. A. Heller 1905-6-1 7922 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  HSC2241  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  CAS-BOT-BC1420  Delphinium andersonii Elmer Ivan Applegate 1935-6-6 9354 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  HSC65272  Delphinium depauperatum Rich White 1978-7-6 246 Siskiyou Pond above Elk Hole 1524 Comment
  JEPS62359  Delphinium glaucum W. L. Jepson 1937-7-30 18558 Siskiyou headwaters Indian Creek; Siskiyou Mts., Poker Flat 1584 Comment
  UC1225882  Delphinium glaucum Helen K. Sharsmith Aug 27 1960-Aug 29 1960 4839 Siskiyou along streamlet draining into lower Mill Creek Lake (upper Mill Creek basin); Scott Mountains, Shasta National Forest, Salmon-Trinity Alps 2103 Comment
  CAS-BOT-BC116154  Delphinium nuttallianum Alice Eastwood 1921-7-24 10744 Siskiyou Castle Lake Comment
  CAS-BOT-BC116165  Delphinium nuttallianum A. A. Heller 1916-6-20 12401 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC679  Delphinium nuttallianum William J. Ferlatte 1966-6-23 150 Siskiyou Big Flat, near public camp 1524 Comment
  UC165300  Delphinium nuttallianum Geo. D. Butler 1910-3-24 1142 Siskiyou Shasta River hills Comment
  CAS-BOT-BC118067  Delphinium nuttallianum Elmer Ivan Applegate 1895-5-29 937 Siskiyou Sisson Comment
  CAS-BOT-BC118068  Delphinium nuttallianum Elmer Ivan Applegate 1923-8-23 3844 Siskiyou Medicine Lake Comment
  HSC19082  Delphinium nuttallianum J. O. Sawyer 1969-7-11 1320 Siskiyou Slope above S Fork of Sugar Creek 1982 Comment
  HSC27039  Delphinium nuttallianum J. O. Sawyer 1971-7-2 2401 Siskiyou Above Elk Hole 1524 Comment
  HSC39751  Delphinium nuttallianum J. O. Sawyer 1970-4-4 2081 Siskiyou Along Sugar Creek 823 Comment
  POM99356  Delphinium nuttallianum Geo. D. Butler 1910-3-29 1142 Siskiyou Near Yuka Comment
  HSC39877  Deschampsia cespitosa J. P. Smith 1972-8-17 5746 Siskiyou Medicine Lake 2012 Comment
  HSC69186  Deschampsia cespitosa Maralyn A. Renner 1980-8-31 2632 Siskiyou Twin Valley. 1494 Comment
  CHSC60569  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-26 601 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the meadow. 1524 Comment
  HSC103044  Deschampsia danthonioides J. P. Smith 2014-6-7 13902 Siskiyou Along Forest Service Road 40N08, just north of Big Carmen Lake 1699 Comment
  HSC19143  Deschampsia danthonioides J. O. Sawyer 1969-8-18 1976 Siskiyou S of S Sugar Lake 2104 Comment
  HSC26550  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-17 4464 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC68985  Deschampsia elongata Maralyn A. Renner 1980-7-24 2061 Siskiyou Lily Pad Lake 1768 Comment
  JEPS84088  Deschampsia elongata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6389 Siskiyou ca. 1.5 mi. e. of Red Butte summit (ca. 7 mi. n.-n.e. of Seiad Valley, w. of Cook and Green Pass) 1900 Comment
  SEINET10524232  Deschampsia elongata Lawrence P. Janeway 1983-1 Janeway 662 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. Along dirt road in dry southwest part of the meadow. 1524 Comment
  CAS-BOT-BC43085  Descurainia longipedicellata Roxana S. Ferris; Laura Lorraine 1948-6-12 11829 Siskiyou Gazelle Mountain grade, Gazelle-Callahan Road. 1499 Comment
  HSC6708  Descurainia pinnata subsp. brachycarpa R. C. Wunner 1965-6-30 317 Siskiyou California Lava Beds National Monument, Symbol Bridge 1433 Comment
  UC673281  Descurainia pinnata subsp. halictorum Lincoln Constance and Reed C. Rollins 1942-5-14 2932 Siskiyou 6 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  JEPS107484  Descurainia sophia Lowell Ahart, John Dittes 2005-6-9 12054 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC43523  Descurainia sophia L. S. Smith 1912-7-1 s.n. Siskiyou Yreka. Comment
  UC1190147  Dicentra formosa Ira L. Wiggins 1955-7-29 13576 Siskiyou between pass to Thompson Creek and Caribou Lake 1956 Comment
  CAS-BOT-BC402478  Dicentra formosa subsp. formosa H. A. Thomas; J. H. Thomas 1954-7-21 4434 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  CAS-BOT-BC402477  Dicentra formosa subsp. formosa Ira L. Wiggins 1955-7-29 13576 Siskiyou N-facing slope between Caribou Lake and Pass to Thompson Creek 1956 Comment
  SEINET10620914 Image available Dicentra pauciflora Edward L. Greene 1876-8-22 Greene 994 Siskiyou On Scott Mountain. 2743 Comment
  JEPS64177  Dichelostemma capitatum Geo. D. Butler 1909-4-13 Siskiyou near Yreka Comment
  UC454399  Dichelostemma capitatum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC500905  Dichelostemma capitatum Doris K. Kildale 1929-5-11 7767 Siskiyou Klamath River at Hornbrook Comment
  HSC44866  Dichelostemma capitatum subsp. capitatum J. P. Smith 1973-5-5 6455 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC46046  Dichelostemma multiflorum Maralyn O'Meara 1974-5-25 430 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  CAS-BOT-BC500995  Dichelostemma multiflorum L. E. Smith 1913-6-29 419 Siskiyou Rainbow Comment
  CHSC102555  Dieteria canescens var. shastensis L. P. Janeway 2009-8-3 9889 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.4 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  UC1286474  Dieteria canescens var. shastensis W. B. and V. G. Cooke 1963-7-12 34333 Siskiyou along Memorial Highway (Mt. Shasta); Mt. Shasta 1371 Comment
  UC86847  Dieteria canescens var. shastensis K. Brandegee Jul 1884-Jul 1889 Siskiyou Ager Klamath River, Ager Comment
  UCD70188  Dieteria canescens var. shastensis D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  CAS-BOT-BC290996  Dieteria canescens var. shastensis John Thomas Howell 1937-7-29 13678 Siskiyou North slope of Scott Mts. 1676 Comment
  HSC92173  Dieteria canescens var. shastensis Jennifer Whipple 1978-10-6 2392 Siskiyou N-facing slopes in the Eddy Creek Drainage 2378 Comment
  SBBG16031  Diplacus jepsonii D. Myrick 1961-6-22 318 Siskiyou St Hwy 89 near McCloud 914 Comment
  CAS-BOT-BC153649  Diplacus jepsonii Elmer I. Applegate 1923-8-19 3887 Siskiyou Medicine Lake Comment
  CAS-BOT-BC153451  Diplacus layneae G. C. Kimber 1934-6-9 33 Siskiyou Ney Creek 1/8 mile from junction with Sacramento River 731 Comment
  SD53404  Dipsacus fullonum Darley F. Howe 1962-8-5 3260 Siskiyou Bank of Klamouth River, 56.8 mi. E of Happy Camp on Hwy 96 609 Comment
  UC796501  Disporum hookeri Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11750 Siskiyou French Creek Logging Road w of Callahan; French Creek Logging Road 1066 Comment
  SEINET11973359  Dodecatheon alpinum H. P. Chandler 1901-1 1572 Siskiyou near Marble Mountain 1829 Comment
  HSC19275  Dodecatheon jeffreyi J. O. Sawyer 1968-7-9 441 Siskiyou W of Little Duck Lake 1936 Comment
  CHSC71478  Downingia pulcherrima Vernon H. Oswald; Lowell Ahart 1998-7-21 9333 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. 1402 Comment
  SEINET5342912  Draba howellii G. Butler 1910-7-10 1716 Siskiyou In rock crevices-Marble mountain. 1676 Comment
  UC455949  Draperia systyla I. J. Condit 1911-7-7 Siskiyou Shasta Retreat, along Rail Road 1066 Comment
  UC642568  Drymocallis W. Bridge Cooke 1939-8-22 13829 Siskiyou along Horse Camp Creek; Mount Shasta, along Horse Camp Creek Comment
  CAS-BOT-BC527346  Drymocallis glandulosa var. reflexa A. A. Heller 1916-6-20 12399 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC154518  Drymocallis lactea var. austiniae Harley P. Chandler June, 1901 1697 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  HSC69350  Drymocallis lactea var. lactea Maralyn A. Renner 1980-8-21 2560 Siskiyou Kidd Creek 2043 Comment
  HSC69709  Drymocallis lactea var. lactea Maralyn A. Renner 1980-7-15 1776 Siskiyou English Lake inlet 1780 Comment
  CAS-BOT-BC159284  Drymocallis lactea var. lactea A. A. Heller 1915-8-26 12217 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2621 Comment
  UC1045252  Drymocallis pseudorupestris var. saxicola W. Bridge Cooke 1940-7-26 15372 Siskiyou w side Shastina; Mount Shasta, w side of Shastina Comment
  HSC26931  Dysphania botrys J. P. Smith, J. O. Sawyer 1971-9-18 4833 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UCD98822  Dysphania pumilio A. A. Heller 1915-8-24 11210 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  CAS-BOT-BC113418  Eleocharis bella Doris K. Kildale 1928-8-19 6514 Siskiyou English Lake, head of north fork of Salmon River. 1676 Comment
  SEINET7586255 Image available Eleocharis macrostachya Frederick W. Oettinger 1968-9-5 716 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. Inlet stream to Hancock Lake. 1935 Comment
  RSA238944  Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Along the ridge between David Mountain and Abbotts Lake Basin and on old Tanners Peak trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  RSA0037180  Eleocharis rostellata Lowell A. Ahart, John Dittes 2010-7-30 16946 Siskiyou About 5 yards south of the Shasta River, about 40 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UC1265457  Eleocharis suksdorfiana Frederick W. Oettinger 1969-8-19 1453 Siskiyou ridge between David Mountain and Abbotts Lake Basin Salmon Mountains, Marble Mountain Wilderness Area (high lakes basins in the vicinity of English Peak) 1905 Comment
  CAS-BOT-BC112016  Eleocharis suksdorfiana Elmer Ivan Applegate 1995-5-28 s.n. Siskiyou Sacramento River below Sisson. 18th crossing of SPR Comment
  CAS-BOT-BC451553  Elodea canadensis Edward Lee 1934-8-12 1239 Siskiyou South side of the Klamath River near the mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  UC637115  Elodea canadensis Edward Lee 1934-8-12 1239 Siskiyou e end Seiad Valley (near mouth of Walker River, s side of Klamath River); , Klamath River 426 Comment
  RSA69474  Elodea nuttallii L. C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  CAS-BOT-BC197360  Elymus Copeland 1903-9-7 3794 Siskiyou Mt. Eddy Comment
  HSC39647  Elymus caput-medusae J. P. Smith, J. O. Sawyer 1971-9-18 4673 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  CAS-BOT-BC227919  Elymus elymoides Elmer I. Applegate 1923-8-18 3862 Siskiyou Top of Redshale Mountain, Medicine Lake region 2438 Comment
  UCD61416  Elymus elymoides Dean Wm. Taylor 1975-8-14 5365 Siskiyou Subalpine slopes and alpine openings in subalpine forest, between Shasta Ski area and Green Butte, Mt. Shasta. 2590 Comment
  UC157087  Elymus elymoides subsp. elymoides Dr. E. B. Copeland 1903-7-3 3536 Siskiyou Klamathon Comment
  CHSC61571  Elymus glaucus subsp. glaucus L. P. Janeway 1983-9-11 682 Siskiyou Siskiyou Mountains; at Poker Flat. Southwest side of lower portion of the meadow. 1524 Comment
  SJSU11312  Elymus hispidus S. H. Casey 1981-7-3 1205 Siskiyou near mouth of O'Neal Creek tributary of the Klamath River c. 4 mi W of Seiad Valley 426 Comment
  UCR142760  Elymus multisetus L. C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  HSC75113  Elymus spicatus J. P. Smith, Thomas W. Nelson 1979-6-15 10123 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC32484  Elymus spicatus J. P. Smith, Steve Selva 1970-7-28 4530 Siskiyou South Fork of Sacramento River 1128 Comment
  CAS-BOT-BC204265  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-20 6367 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  UCD62631  Elymus trachycaulus subsp. subsecundus Beecher Crampton 1956-8-22 3867 Siskiyou Wagon Camp Road, north of Everitt Hill, lower southern slope of Mt. Shasta. 1645 Comment
  CAS-BOT-BC392233  Enemion stipitatum Geo. D. Butler 1909-2-28 584 Siskiyou Unspecified Comment
  HSC78307  Epilobium brachycarpum L. P. Janeway 1983-9-11 659 Siskiyou Poker Flat 1524 Comment
  JEPS43909  Epilobium brachycarpum Geo. D. Butler 1908-8-26 155 Siskiyou roadside 1 mi n Etna Comment
  RSA15795  Epilobium brachycarpum Carl B. Wolf 1927-8-26 1034 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  HSC16314  Epilobium brachycarpum R. C. Wunner 1965-6-20 233 Siskiyou Lava Beds N.M., near Thunderboldt Cave 1463 Comment
  RSA34395  Epilobium brachycarpum W. Bridge Cooke 1947-8-1 17759 Siskiyou Along the Shasta Snowline Highway, Mt. Shasta 1677 Comment
  POM256464  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-11 1027 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 457 Comment
  POM46292  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1910-6-22 1598 Siskiyou Yreka Creek. Comment
  RSA8242  Epilobium ciliatum subsp. ciliatum Elmer I. Applegate 1923-8-21 3917 Siskiyou Willow Creek, south of Lower Klamath Lake Comment
  HSC69363  Epilobium glaberrimum subsp. fastigiatum Maralyn A. Renner 1980-8-19 2504 Siskiyou S side of Caribou Lake 2104 Comment
  RSA264966  Epilobium hallianum Gilbert Muth 1975-7-30 s.n. Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  HSC207  Epilobium hornemannii subsp. hornemannii William J. Ferlatte 1967-8-20 1057 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  HSC92786  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1977-7-21 2019 Siskiyou Near Durney Lake 2073 Comment
  UC1188086  Epilobium hornemannii subsp. hornemannii Philip A. Munz 1960-8-22 24180 Siskiyou Panther Meadows Mt. Shasta (stream bank) 2377 Comment
  RSA142623  Epilobium hornemannii subsp. hornemannii P. A. Munz 1960-8-22 24180 Siskiyou Panther Meadows, Mt. Shasta 2378 Comment
  CHSC118640  Epilobium luteum Julie Kierstead Nelson; Martin Lenz 2015-8-13 2015 -122 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. UTM NAD 83 Zone 10, 536798m E, 4583360m N. 2208 Comment
  HSC69700  Epilobium minutum Maralyn A. Renner 1980-6-26 1266 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS84191  Epilobium obcordatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6405 Siskiyou cirque at head of canyon Hell's Canyon (ca 5 mi n of town of Seiad Valley) 1750 Comment
  POM213942B  Epilobium paniculatum G. C. Kimber 1934-6-9 43 Siskiyou Ney Creek 1/8 mi above junction with Sacramento River. 732 Comment
  CAS-BOT-BC171858  Epilobium septentrionale Maxine Wilkes 1940-8-20 s.n. Siskiyou Cliff Lake, Marble Mts. Comment
  JEPS109694  Epilobium siskiyouense Dean W. Taylor 2002-7-20 18268 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  RSA264944  Epilobium siskiyouense Gilbert Muth 1975-7-30 s.n. Siskiyou Near Kangaroo Mountain near Red Bluff. 1951 Comment
  POM32217  Epilobium siskiyouense E. B. Copeland 1903-9-7 3857 Siskiyou Mount Eddy Comment
  CAS-BOT-BC204623  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  POM161564  Eragrostis pilosa Geo D. Butler 1910-8-28 1857 Siskiyou Oro Fino Comment
  HSC67515  Eremogone congesta J. P. Smith, Steve Selva 1970-7-15 4360 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  CAS-BOT-BC168333  Eremogone congesta var. congesta Harley P. Chandler 1901-6-1 1674 Siskiyou Marble Mountain 2438 Comment
  CAS-BOT-BC168846  Eremogone congesta var. congesta Milo S. Baker 1926-8-8 242 -26 Siskiyou Between Red Mt. and Granite Peak 2194 Comment
  CAS-BOT-BC174229  Eremogone congesta var. congesta L. R. Short 1933-8-6 10 Siskiyou Klamath National Forest. Marble Valley 1792 Comment
  CAS-BOT-BC286706  Ericameria bloomeri A. A. Heller 1939-7-31 15428 Siskiyou Junction of the Horse Camp and Panther Meadow roads, Mt. Shasta Comment
  CAS-BOT-BC291264  Ericameria bloomeri L. R. Short 1933-9-8 68 Siskiyou Klamath National Forest. Deer Camp 1889 Comment
  CAS-BOT-BC58394  Ericameria bloomeri R. C. Wenk 2008-8-31 989 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1981 Comment
  HSC2325  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mtns. 1220 Comment
  HSC67821  Ericameria bloomeri J. O. Sawyer, J. Cole 1980-7-20 3772 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  SEINET5727124 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Road 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  SEINET5727125 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Road 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  UC1118660  Ericameria bloomeri H. A. Jensen 1933-8-23 342 Siskiyou mo Mountain House Creek; Dunsmuir Quadrangle Comment
  SEINET7846083 Image available Ericameria bloomeri M. J. Williams 1985-8-14 1- 16 -87 Siskiyou SE side of Medicine Lake Comment
  HSC82056  Ericameria greenei J. O. Sawyer 1968-9-11 700 Siskiyou On slopes above Twin Valley 1463 Comment
  UC830817  Ericameria greenei Alice Eastwood 1912-8-29 2040 Siskiyou Mount Eddy Comment
  UC87229  Ericameria nauseosa var. oreophila K. Brandegee 1887-7-1 Siskiyou Gazelle Comment
  HSC68482  Ericameria nauseosa var. speciosa Maralyn A. Renner 1980-6-10 875 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  UC62938  Ericameria parryi var. latior Geo. B. Grant 1902-9-1 5152 Siskiyou Mount Shasta, Sisson 914 Comment
  CAS-BOT-BC293495  Erigeron aliceae Louis C. Wheeler 1934-7-3 2855 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  RSA184709  Erigeron aliceae Gilbert Muth 1966-7-24 446 Siskiyou Marble Valley Meadow, Marble Mts. 1793 Comment
  UC637149  Erigeron aliceae Edward Lee 1934-8-15 1132 Siskiyou near summit of Happy Camp to Waldo (Oregon) road; Klamath National Forest, Indian Creek watershed 1584 Comment
  UC1409460  Erigeron cervinus F. W. Oettinger 1969-7-28 1080 Siskiyou nw of and above Upper English Lake; Salmon Mts., English Peak, Red Fir Forest 2011 Comment
  JEPS33854  Erigeron chrysopsidis var. austiniae Gilbert Muth 1966-7-22 436 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  UCD131790  Erigeron compositus G. L. Stebbins Jr.; A. A. Beetle 1942-5-30 3254 Siskiyou 6 miles west of Gazelle. 1005 Comment
  CAS-BOT-BC297163  Erigeron concinnus var. concinnus Elmer I. Applegate 1929-6-18 5737 Siskiyou About 5 miles north of Edgewood, Shasta Valley Comment
  JEPS94887  Erigeron filifolius Vernon H. Oswald and Lowell Ahart 1998-7-21 9313 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Hwy 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest 975 Comment
  UC54104  Erigeron filifolius H. M. Hall and E. B. Babcock 1903-6-1 4098 Siskiyou Little Shasta Valley Mount Shasta, Little Shasta Valley 853 Comment
  POM252997  Erigeron filifolius A. A. Heller 1936-7-12 15255 Siskiyou Near western base of Deer Mountain on U. S. Highway 97 Comment
  HSC44706  Erigeron foliosus var. confinis J. O. Sawyer, E. Cope 1977-6-18 2898 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  UC1409441  Erigeron foliosus var. confinis Frederick W. Oettinger 1968-8-22 591 Siskiyou summit of English Peak (in Red Fir Forest); Salmon Mountains,Marble Mountain Wilderness Area, High Lake 2228 Comment
  RSA78831  Erigeron foliosus var. hartwegii P. A. Munz 1952-7-2 17909 Siskiyou West of Baldy Mountain L.O. 6 air miles west of Happy Camp, Siskiyou Mountains 1768 Comment
  HSC623  Erigeron glacialis var. glacialis William J. Ferlatte 1966-7-7 210 Siskiyou NW side of Caribou Mtn. 1829 Comment
  HSC714  Erigeron glacialis var. glacialis William J. Ferlatte 1967-8-20 1046 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge, N-facing slope 2256 Comment
  JEPS80508  Erigeron glacialis var. hirsutus Gilbert Muth 1966-7-24 446 Siskiyou Marble Mtn Wilderness area Marble Valley 1792 Comment
  PASA1715  Erigeron inornatus Frank W. Peirson 1923-7-20 Siskiyou 2 miles below Whitney Creek on the road to Weed Comment
  SEINET5708483 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  RSA93122  Erigeron inornatus var. inornatus F. W. Peirson 1923-7-20 3876 Siskiyou 2 miles below camp on Whitney Creek, Mt. Shasta. Comment
  UC1299252  Erigeron klamathensis Freed W. Hoffman 1950-7-13 3552 Siskiyou W Siskiyou County Baldy Mountain Comment
  HSC26151  Erigeron petrophilus var. viscidulus J. P. Smith, J. O. Sawyer 1972-9-12 5776 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  RSA792296  Erigeron petrophilus var. viscidulus Rebecca Wenk 2008-8-31 988 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1982 Comment
  UC1285745  Erigeron petrophilus var. viscidulus Annie M. Alexander and Louise Kellogg 1911-8-12 307 Siskiyou near Toad Lake 2072 Comment
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Nov 28 2018
  RSA12509  Erigeron philadelphicus C. B. Wolf 1934-7-4 5927 Siskiyou 0.7 mi. below mouth of Dillon Creek, Klamath River. 244 Comment
  UCD132043  Erigeron philadelphicus var. philadelphicus John M. Tucker; Louis K. Mann 1963-7-4 3689 Siskiyou beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  HSC13522  Eriodictyon californicum C. B. Wolf 1927-8-26 1001 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC68481  Eriodictyon californicum Maralyn A. Renner 1980-1 817 Siskiyou Slopes N of Moffett Creek 945 Comment
  UC1211908  Eriodictyon californicum Roy L. Taylor 1960-6-12 4447 Siskiyou 1 mi w of jtn of Hwy 96 (Klamath River Rd.) and Hwy 99 n Yreka (above Klamath River); above Klamath River Comment
  HSC43457  Eriogonum alpinum Jennifer Whipple 1976-8-20 1720 Siskiyou Wagon Creek drainage on E face of Mt. Eddy 2256 Comment
  CHSC99724  Eriogonum diclinum L. P. Janeway 2008-7-24 9479 A Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 2.1 air km northeast of Condrey Mountain. 2115 Comment
  HSC28669  Eriogonum diclinum Frederick W. Oettinger 1968-8-18 571 Siskiyou Marble Mtn. Wilderness area, SW trending of Medicine Mtn. due N of Tobacco Lake 1921 Comment
  UC1409242  Eriogonum diclinum Frederick W. Oettinger 1968-8-18 571 Siskiyou due n Tobacco Lake (Medicine Mt.); Salmon Moutains, Marble Mountain Wilderness Area, The High L 1920 Comment
  CAS-BOT-BC255733  Eriogonum elatum var. elatum Elmer I. Applegate 1923-9-6 3945 Siskiyou Klamath River about 20 miles below the mouth of Shasta River Comment
  CAS-BOT-BC255761  Eriogonum elatum var. villosum Dorothy Parker 1948-8-5 172 Siskiyou Plowman's Valley, e. fork of Scott River 1188 Comment
  UC1035866  Eriogonum elatum var. villosum Annie M. Alexander and Louise Kellogg 1948-9-5 5582 Siskiyou South Fork Salmon River at Matthews Creek; South Fork Salmon River, Matthews Creek Comment
  RSA756416  Eriogonum hirtiflorum David Gowen 2007-7-12 780 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Road, and just north of Jackson Ranch Road. Comment
  CHSC1325  Eriogonum lobbii A. Anderson 1962-9-15 Siskiyou Salmon Summit. 2164 Comment
  CAS-BOT-BC263661  Eriogonum luteolum var. luteolum Elmer I. Applegate 1923-9-6 3941 Siskiyou Along the Klamath River about 20 miles below the Pacific Highway Comment
  JEPS56733  Eriogonum marifolium W. L. Jepson 1940-6-28 20064 Siskiyou McCloud 975 Comment
  LA25767  Eriogonum marifolium H. Lewis; M. Lewis 1951-7-12 sn Siskiyou Mount Shasta, Panther Meadows Comment
  SD23786  Eriogonum marifolium Wm. Bridge Cooke 1938-8-18 11489 Siskiyou Mt. Shasta, lava slopes 2514 Comment
  UC849523  Eriogonum marifolium Alice Eastwood 1912-9-1 2072 Siskiyou Mount Shasta Comment
  CAS-BOT-BC263190  Eriogonum marifolium var. cupulatum A. A. Heller 1922-7-15 13694 Siskiyou At Medicine Lake 2133 Comment
  HSC67822  Eriogonum marifolium var. marifolium J. O. Sawyer, J. Cole 1980-7-20 3771 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  RSA800279  Eriogonum marifolium var. marifolium Rebecca Wenk 2008-7-23 904 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch. 2119 Comment
  RSA17737  Eriogonum microtheca var. laxiflorum Elmer I. Applegate 1935-8-3 10018 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  UC1540141  Eriogonum microthecum var. ambiguum Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9254 Siskiyou on northern interior rim of crater Lava Beds National Monument, Caldwell Butte 1499 Comment
  RSA601667  Eriogonum niveum Louis C. Wheeler 1935-6-27 3610 Siskiyou Greenview, Scott Valley. 884 Comment
  CDA22628  Eriogonum nudum var. nudum T. C. Fuller 1962-8-3 9504 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  CAS-BOT-BC272468  Eriogonum nudum var. pubiflorum A. A. Heller 1927-8-2 14443 Siskiyou About three miles south of Yreka Comment
  UC1299708  Eriogonum ovalifolium var. purpureum Freed W. Hoffman 1948-7-12 2616 Siskiyou 2 mi w junction of Little Shasta road with Mt. Hebron road Comment
  CAS-BOT-BC267705  Eriogonum roseum Edward Lee 1934-8-11 1040 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River, east end of Seiad Valley Comment
  CAS-BOT-BC267710  Eriogonum roseum Doris K. Kildale 1928-7-25 5872 Siskiyou Klamath River between Brown's Resort of Gottville 579 Comment
  CAS-BOT-BC262762  Eriogonum strictum var. anserinum Geo. D. Butler 1910-6-21 1597 Siskiyou Yreka Comment
  HSC43451  Eriogonum strictum var. proliferum Jennifer Whipple 1976-7-24 1551 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  HSC43452  Eriogonum strictum var. proliferum Jennifer Whipple 1977-8-4 2151 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  CAS-BOT-BC263399  Eriogonum strictum var. proliferum John Thomas Howell 1937-7-29 13676 Siskiyou North slope of Scott Mts. 1676 Comment
  SEINET7459646 Image available Eriogonum sulphureum Unknown 1927-1 14443 Siskiyou 5 mi. S. of Yreka. The type region. Comment
  CAS-BOT-BC267935  Eriogonum umbellatum Noel H. Holmgren; James L. Reveal 1966-6-9 2697 Siskiyou US 97, Shasta Valley, 4 miles north of Weed 1158 Comment
  SBBG30588  Eriogonum umbellatum D. Myrick 1968-6-22 1990 Siskiyou Lava Beds Nat Monument 1371 Comment
  RSA237986  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-25 1548 -b Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2027 Comment
  RSA0066290  Eriogonum umbellatum var. argus William J. Ferlatte 1966-8-2 240 Siskiyou Trinity Alps: Big Flat; wooded area near public camp. 1524 Comment
  CAS-BOT-BC268141  Eriogonum umbellatum var. goodmanii James L. Reveal; Darin S. Reveal 1978-8-9 4811 Siskiyou Along the dirt road from near Happy Camp to Baldy Mountain Lookout (USFS # 17N11), 0.5 mile south of the junction of 17N23, near the head of Doolittle Creek 1280 Comment
  HSC24103  Eriogonum umbellatum var. humistratum J. O. Sawyer 1969-8-2 1713 Siskiyou Summit W of Little Duck Lake 2409 Comment
  SBBG25875  Eriogonum umbellatum var. modocense D. Myrick 1966-8-7 1486 Siskiyou near Lake Josephine, Mountain Meadow Ranch, Big Flat; Trinity Alps 1828 Comment
  UCSB63911  Eriogonum umbellatum var. nevadense Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Southeast of Medicine Lake at Paynes Springs: T43N R4E NW1/4 Sect. 19; on the rim of Paynes Creek Canyon north of the campground 1981 Comment
  CAS-BOT-BC262375  Eriogonum vimineum Geo. D. Butler 1910-7-31 1806 Siskiyou Near Yreka Comment
  CAS-BOT-BC262382  Eriogonum vimineum L. R. Abrams 1927-9-11 12143 Siskiyou Fork of Shasta and Klamath Rivers Comment
  CAS-BOT-BC112325  Eriophorum crinigerum William Bridge Cooke 1940-6-6 15054 Siskiyou Among rocks on the shores of Castle Lake. 1676 Comment
  CAS-BOT-BC301127  Eriophyllum lanatum var. achilleoides Alice Eastwood; John Thomas Howell 1934-4-20 1763 Siskiyou Near Yreka along Shasta River Comment
  CAS-BOT-BC301133  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou Yreka Comment
  UC507153  Eriophyllum lanatum var. achilleoides L. Constance 1933-7-6 E 119 Siskiyou 10 mi n Weed (near road to Klamath Falls) Comment
  POM208254  Eriophyllum lanatum var. achilleoides L. C. Wheeler 1934-6-2 2618 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  CAS-BOT-BC301452  Eriophyllum lanatum var. grandiflorum Alice Eastwood 1912-7-17 1193 Siskiyou Sisson Comment
  CHSC96031  Eriophyllum lanatum var. grandiflorum L. P. Janeway 2006-7-3 8768 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  CDA15577  Eriophyllum lanatum var. lanceolatum G. F. Hrusa 1998-7-5 14684 Siskiyou Siskiyou Mountains; S side of pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, above Indian Ck. Camp. Comment
  HSC74872  Eriophyllum lanatum var. lanceolatum J. P. Smith, Jennifer Whipple 1978-7-2 9972 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  RSA183730  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 134 Siskiyou Trail to Marble Mt., Lookout. Marble Mts. Comment
  CAS-BOT-BC301714  Eriophyllum lanatum var. lanceolatum Doris K. Kildale 1929-7-20 8711 Siskiyou Trail from Elk Lick to Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  RSA240058  Erodium cicutarium Frederick W. Oettinger 1969-8-10 1329 Siskiyou Fort Jones. Comment
  UC166140  Eruca vesicaria subsp. sativa Geo. D. Butler 1908-6-20 1050 Siskiyou Yreka, field near Comment
  CAS-BOT-BC54573  Erysimum capitatum John Thomas Howell 1939-8-2 14883 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC54590  Erysimum capitatum L. R. Abrams 1922-8-7 9916 Siskiyou 1 mile south of Weed. Comment
  UC1025071  Erysimum capitatum Leo Whitney 1934-6-15 1504 Siskiyou Mt. Shasta 2133 Comment
  CAS-BOT-BC55121  Erysimum perenne Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mountains. 1889 Comment
  UC199229  Erysimum perenne Annie M. Alexander and Louise Kellogg 1911-6-21 168 Siskiyou Jackson L. Jackson Pk Comment
  UC618765  Erysimum perenne W. Bridge Cooke 1938-6-24 11073 Siskiyou in openings along spring creek and in the meadow Mount Shasta, MacBride Spring Comment
  UC618779  Erysimum perenne W. Bridge Cooke 1938-8-24 11583 Siskiyou North Gate Mount Shasta (in an old burn) Comment
  HSC103344  Erythronium citrinum var. roderickii Thomas W. Nelson, Susan Erwin 2006-5-5 9299 Siskiyou Along road from Sunflower Flat to Bear Creek Trailhead, 0.7 mi. from junction with State Route 3 on Forest Service Rd. 39N62 956 Comment
  RSA237908  Erythronium grandiflorum subsp. grandiflorum Frederick W. Oettinger 1968-8-12 600 Siskiyou Above Diamond Lake on ridge to English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2134 Comment
  UC144488  Eschscholzia californica A. A. Heller 1905-6-9 8002 Siskiyou Yreka Comment
  HSC36720  Eschscholzia californica Brent Whiteley 1975-6-22 24 Siskiyou 220 Comment
  HSC67862  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-16 4045 Siskiyou Etna 897 Comment
  JEPS1734 Image available Eucephalus breweri unknown 1910-8-1 Siskiyou near Sissons Comment
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Sep 2 2014
  HSC27009  Eucephalus glabratus J. P. Smith, J. O. Sawyer 1972-9-12 5774 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  HSC57384  Eucephalus ledophyllus Overton, Butler 1979-7-26 10111 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  JEPS74516  Eucephalus ledophyllus W. J. Ferlatte 1966-8-3 298 Siskiyou Yellow Rose Mine Trinity Alps 1981 Comment
  HSC61117  Euchiton gymnocephalus Ruby Van Deventer Siskiyou F.S. Rd. 17N04; Doe Flat Comment
  UC1736078  Euphorbia esula Dean W. Taylor 1999-8-12 17298 Siskiyou Mill Creek, Quartz Valley about 1 mile SSW Mugginsville, along Mill Creek logging road 0.5 miles up from bridge crossing 972 Comment
  HSC39752  Festuca arundinacea J. O. Sawyer 1969-8-1 1617 Siskiyou Along road 41N14 at trail to Eaton Lake 1402 Comment
  HSC76703  Festuca idahoensis K. T. Stillman 1976-7-14 222 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  HSC76770  Festuca idahoensis K. T. Stillman 1976-8-7 374 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  POM215869  Festuca idahoensis L. C. Wheeler 1935-6-9 3560 Siskiyou Siskiyou Mounatins, Yreka Creek 1220 Comment
  UC593535  Festuca idahoensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1909 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  CAS-BOT-BC278877  Festuca occidentalis Alice Eastwood 1923-5-27 11963 Siskiyou Shasta Springs Comment
  CAS-BOT-BC278878  Festuca occidentalis Louis C. Wheeler 1934-6-1 2658 Siskiyou Klamath National Forest. N. Hungry Cr. 1219 Comment
  HSC22164  Festuca occidentalis J. O. Sawyer 1968-9-28 745 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  SJSU11322  Festuca occidentalis S. H. Casey 1981-7-4 1214 Siskiyou Seiad Creek Road 1mi below summit of Vook & Green Pass c. 8 mi N of Seiad Valley 1219 Comment
  JEPS57224  Festuca roemeri L. R. Heckard 1967-8-13 1711 Siskiyou e flank Mt. Eddy 2727 Comment
  UC593536  Festuca roemeri E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1894 Siskiyou 2 mi s Yreka 822 Comment
  UCD66277  Festuca roemeri Rimo Bacigalupi 1959-7-2 7232 Siskiyou Big Flat Campground, headwaters of South Fork of the Salmon River, near north base of Caribou Mtn. and just south of low divide (Trinity County boundary) separating Coffee Creek drainage from that of the Salmon River. 1508 Comment
  CAS-BOT-BC279068  Festuca rubra Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  HSC92061  Floerkea proserpinacoides Jennifer Whipple 1976-7-23 1527 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC78202  Floerkea proserpinacoides L. P. Janeway 1983-8-6 485 Siskiyou At Poker Flat, at front edge of upper portion of meadow. 1524 Comment
  CAS-BOT-BC133121  Fragaria L. B. Kildale 1930-6-1 9855 Siskiyou Summit between Sawyers Bar and Etna Mills Comment
  CAS-BOT-BC453507  Fragaria Harley P. Chandler 1901-6-1 1569 Siskiyou Ridges and meadows near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC453508  Fragaria Alice Eastwood 1921-7-28 10882 Siskiyou Medicine Lake Comment
  UC466547  Fragaria vesca Milo S. Baker Jun 1896 114 Siskiyou Sisson Comment
  CAS-BOT-BC457569  Fragaria vesca subsp. californica Alice Eastwood 1923-5-27 11939 Siskiyou Shasta Springs Comment
  UCD77728  Fragaria virginiana Robert E. Preston 2002-6-21 1865 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1644 Comment
  JEPS116616  Frangula rubra subsp. rubra Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -009 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N73 Hotlum Fire area burned Feb 2006 ca. 4 mi NE town of Weed Mt. Shasta 1090 Comment
  SDSU7105  Frasera albicaulis var. nitida D. F. Howe 1962-8-4 3389 Siskiyou Baldy Mountain. 1737 Comment
  SEINET8584501  Frasera albicaulis var. nitida G. D. Butler 1910-6-2 1451 Siskiyou Dry land near Yreka. Comment
  SEINET3150634  Frasera nitida G. D. Butler 1910-6-2 1451 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC502840  Fritillaria atropurpurea A. M. Vollmer; L. Beane 1951-6-2 60 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CHSC2283  Fritillaria pudica A. Anderson 1962-3-14 Siskiyou Scott Valley. 914 Comment
  UC672099  Fritillaria pudica D. Tebbe 1930-3-28 69 Siskiyou near Weed Comment
  UC1181806  Fritillaria pudica Dorothy Parker 1950-3-14 Siskiyou Siskiyou Mountains, e side of Scott Valley Scott Valley; Siskiyou Mountains, Scott Valley 853 Comment
  POM109777  Fritillaria recurva Geo D. Butler 1909-4-14 596 Siskiyou Humbug Creek Comment
  HSC68373  Galium aparine J. P. Smith 1973-5-5 6374 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  JEPS26665  Galium bolanderi Lauramay T. Dempster 1961-7-2 1847 Siskiyou s Steelhead (near Sugar Pine Gulch); Scott River Comment
  UCD63246  Galium glabrescens Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. Scott Mountains, Klamath National Forest. 1900 Comment
  SBBG18851  Galium glabrescens subsp. glabrescens C. B. Hardham 1961-7-3 8073 Siskiyou Scott Mtns, S of Calahan Comment
  UCR94142  Galium parisiense J. A. Alexander, N. F. McBain, N. A. Alexander 1995-6-30 424 Siskiyou Line Gulch, Klamath River drainage, along Calif. Hwy 96, c. 7 miles west (293 deg. ) of the intersection with I-5, near the S.F. Clyburn family home from 1917-1966 518 Comment
  CAS-BOT-BC223192  Galium serpenticum subsp. scotticum Alice Eastwood; John Thomas Howell 1937-6-25 5021 Siskiyou Scott Mts. s. of Callahan Comment
  JEPS83625  Galium serpenticum subsp. scotticum Marla Knight 1987-7-14 935 Siskiyou junction of Hwy 3 and FS Rd. 40N03 Klamath National Forest, Scott River District, China Mtn. SW 1417 Comment
  RSA238875  Galium triflorum Frederick W. Oettinger 1968-8-7 436 Siskiyou Along the trail on the E side of Hancock Lake. Salmon Mtns. The High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  UC1971397  Garrya buxifolia Louis C. Wheeler 1958-8-18 7395 Siskiyou West Fork Seiad Creek. Comment
  CAS-BOT-BC182159  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Cr. Klamath National Forest 1066 Comment
  CAS-BOT-BC182272  Garrya fremontii John Thomas Howell 1939-8-2 14865 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC182273  Garrya fremontii C. B. Wolf 1931-9-2 s.n. Siskiyou 4 miles above junction of McCloud Road with the Pacific Highway 1188 Comment
  RSA2866  Garrya fremontii Carl B. Wolf 1931-9-2 2392 Siskiyou 4 miles above jct of MCloud road with Pacific Hwy and Transition. 1189 Comment
  UC412883  Garrya fremontii Annie M. Alexander and Louise Kellogg 1911-6-13 138 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC182229  Garrya fremontii W. R. Dudley 1901-8-16 s.n. Siskiyou near the head of Willow Creek Grade, west of Gazelle Comment
  HSC27971  Gaultheria shallon Carl W. Mize 1972-9-23 109 Siskiyou Along Steinacher Creek Rd. about 3 mi. from bridge 762 Comment
  JEPS27538  Gayophytum heterozygum Willis L. Jepson 1894-8-4 14436 Siskiyou Horse Camp Upper Sacramento, Mt. Shasta Comment
  UC20280  Gayophytum heterozygum F. W. Morse July 1886 Siskiyou Shasta Comment
  RSA600334  Gayophytum humile Louis C. Wheeler 1935-7-24 3691 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1951 Comment
  UC165763  Gentiana calycosa Geo. D. Butler 1908-8-9 418 Siskiyou along trail West Fork of Wooly Creek Comment
  SEINET881860 Image available Gentiana plurisetosa S. K. Harris, C. C. Harris 1939-1 976 Siskiyou Half Moon Meadow, Marble Mt. Primitive Area. 1670 Comment
  UCD102203  Gentianella amarella subsp. acuta Daniel Sanchez-Mata; Tomas Santamaria 2008-8-1 s.n. Siskiyou Stewarts Springs Road to Parks Road. 1720 Comment
  UC204455  Geranium bicknellii A. A. Heller 1914-8-25 11715 Siskiyou near Deetz station 1158 Comment
  JEPS61409  Geranium carolinianum W. L. Jepson Jul 1894 13564 Siskiyou Sisson Comment
  RSA0034455  Geranium viscosissimum var. viscosissimum Geo. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  UC375385  Geum macrophyllum Geo. D. Butler 1910-6-19 351 Siskiyou Goosenest Foothills 1524 Comment
  POM258025  Geum triflorum var. ciliatum C. Leo Hitchcock, J. S. Martin 1939-7-9 5326 Siskiyou 1/2 mile SE of King's Castle, Marble Mts. 1829 Comment
  RSA237953  Gilia capitata Frederick W. Oettinger 1968-9-3 675 Siskiyou Western bank of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1791 Comment
  HSC30424  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 536 Siskiyou Marble Mtn. Wilderness Area, Red Hill N of Hancock Lake 2058 Comment
  HSC45795  Gilia capitata subsp. capitata J. P. Smith 1976-5-4 8659 Siskiyou Hwy. 96, 3.7 mi. W of Klamath National Forest boundary 610 Comment
  CAS-BOT-BC225352  Gilia latiflora subsp. davyi John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53572 Siskiyou Yreka 822 Comment
  CAS-BOT-BC283868  Glyceria borealis Alice Eastwood 1912-7-25 1285 Siskiyou Sisson Comment
  UCR143023  Glyceria borealis L. C. Wheeler 1934-6-26 2797 Siskiyou Siskiyou Mountains, Cottonwood Creek 838 Comment
  CAS-BOT-BC302674  Gnaphalium palustre A. A. Heller 1915-8-24 12211 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC165256  Gnaphalium palustre Geo. D. Butler 1910-6-12 1560 Siskiyou Yreka Creek Comment
  RSA15796  Gnaphalium thermale C. B. Wolf 1927-8-26 1036 Siskiyou On the Klamath River, 4 mi N of Gottville P. O. Comment
  UC166149  Grindelia hirsutula Geo. D. Butler 1908-9-25 499 Siskiyou roadside near Montague Comment
  CDA3424  Gypsophila paniculata T. C. Fuller 1967-6-29 16038 Siskiyou West of Medo-Bel Dairy, College Avenue, southwest part of Weed. 0 Comment
  SEINET10497304  Hackelia bella Mary Merello 1993-6-23 Merello 702 Siskiyou Shasta Trinity National Forest County Road A-10 (Everitt Memorial Hwy.) along roadside at the John Everitt Vista Point. Mixed conifer-hardwood forest. 1800 Comment
  UC573114  Hackelia bella Dorothy Tebbe 1929-7-15 133 Siskiyou Salmon Summit; Salmon Mountains Comment
  RSA12573  Hackelia californica C. B. Wolf 1934-7-6 6013 Siskiyou 0.5 mi. so. of Wagon Camp, So. slope of Mt. Shasta. 1524 Comment
  HSC29348  Hackelia micrantha Frederick W. Oettinger 1968-9-2 667 Siskiyou Marble Mtn. Wilderness Area, base of cliffs, SW of Upper English Lake 1875 Comment
  UC1186470  Hackelia setosa John Weiler, A. P. Nelson 1960-6-26 60222 Siskiyou 0.6 mi n of Bacon Rind Public Camp (s of Sawyers Bar) Comment
  RSA235927  Hackelia setosa J. L. Gentry Jr., David Vierig 1968-6-17 2062 Siskiyou Siskiyou County: Siskiyou Mtns, 20.9 miles N of Happy Camp) 2 miles from jct of HS Forest raods 196 & 1916B, onr road 1916. 1372 Comment
  CHSC4164  Hastingsia alba R. Carter 1966-5-15 408 Siskiyou 1.7 mi. SE of Calahan, 1.1 mi. S of intersection of Calahan-Gazelle Rd. and Old Oregon Stage Rd. 1310 Comment
  HSC30464  Hastingsia alba Frederick W. Oettinger 1968-8-17 561 Siskiyou Marble Mtn. Wilderness Area, Pine Lake Meadow 1890 Comment
  HSC44487  Hastingsia alba K. Irwin 1977-5-22 387 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  HSC58940  Hastingsia alba Marvin Butler 1971-7-8 21 Siskiyou Near Bell Echo Camp 1433 Comment
  JEPS62095  Hastingsia alba W. L. Jepson 1914-8-13 5789 Siskiyou Sisson 1097 Comment
  SBBG1019  Hastingsia alba H. and M. Dearing 1939-6-29 3750 Siskiyou near Callahan Comment
  UC1041016  Hastingsia alba J. W. Congdon 1900-8-8 Siskiyou near Sisson; near Sisson Comment
  UC61498  Hastingsia alba W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  CAS-BOT-BC504607  Hastingsia alba J. H. Thomas; H. A. Thomas 1954-7-25 4539 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  RSA105445  Hastingsia alba Milo S. Baker 1955-7-26 13078 Siskiyou Hwy 99, 4 mi S of Gazelle. 915 Comment
  HSC29098  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1967-8-17 276 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; Crapo Ridge where the trail crosses it. 2195 Comment
  SFV3966  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou Marble Mountain Wilderness Area, Lower Red Rock Valley. At edge of Red Rock Creek in moist soil in vicinity of cabin. 1494 Comment
  UC165255  Helenium bigelovii Geo. D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek 1219 Comment
  UC456024  Helenium bigelovii I. J. Condit 1911-7-3 Siskiyou along river Shasta Retreat Comment
  UC642535  Helenium bigelovii W. B. Cooke 1939-7-21 13723 Siskiyou Wagon Camp meadows Mount Shasta 1737 Comment
  UC1282024  Helianthella californica subsp. nevadensis Louise Kellogg Aug 8 1953-Aug 9 1953 115 Siskiyou Scott Mountain Public Campground Klamath National Forest, Scott Mountains 1630 Comment
  UC154674  Helianthella californica subsp. nevadensis A. A. Heller 1905-6-1 7941 Siskiyou Shasta Retreat Comment
  RSA275411  Helianthella californica var. californica J. O. Sawyer, E. Cope 1977-6-18 2920 Siskiyou along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 Comment
  UCR24849  Helianthus bolanderi John C. Roos 1948-9-2 3977 Siskiyou Fort Jones 915 Comment
  RSA15801  Helianthus bolanderi C. B. Wolf 1927-8-26 1055 Siskiyou Klamath River. 3 miles below Gottenville P.O. Comment
  UCD132901  Helianthus bolanderi Morris Halperin 1930-7-11 s.n. Siskiyou Along main highway, between Montague and Yreka. Comment
  CAS-BOT-BC313465  Hemizonella minima Doris K. Kildale 1928-7-4 5492 Siskiyou Summit of divide between Salmon River to Scott Valley Comment
  UC163842  Hesperochiron pumilus Geo. D. Butler 1910-4-21 1210 Siskiyou Oro Fino Comment
  UCD20354  Hesperochiron pumilus Jodi Notah 2002-5-30 s.n. Siskiyou Siskiyou county, 2 miles south of Grenada, just west of Interstate 5. Comment
  CHSC71480  Heterocodon rariflorum Vernon H. Oswald; Lowell Ahart 1998-7-21 9357 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  SBBG83848  Heterotheca villosa var. minor K. T. Stillman 1976-9-10 497 Siskiyou Marble Mtn Wilderness Area, E side of Black Mtn Comment
  RSA183747  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Near Marble Mountain Lookout. Comment
  CAS-BOT-BC420705  Heuchera merriamii Gilbert Muth 1969-8-6 1185 Siskiyou Boulder Peak Comment
  JEPS101162  Heuchera merriamii Dean W. Taylor 1996-6-19 15707 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  JEPS84338  Heuchera merriamii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6370 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1/2 mi e of Red Butte summit) 1900 Comment
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Jul 30 2009
  SBBG26900  Heuchera merriamii J. T. Howell 1937-7-24 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981 Comment
  CAS-BOT-BC420710  Heuchera merriamii Doris K. Kildale 1928-7-2 6510 Siskiyou Salmon Summit via Horse Creek trail 1981 Comment
  JEPS80536  Heuchera merriamii Gilbert Muth 1965-8-17 308 Siskiyou lower creek on trail to Black Mountain; Marble Mountain Wilderness Area 1828 Comment
  RSA238313  Heuchera merriamii Frederick W. Oettinger 1967-8-17 278 Siskiyou Granite boulders on slope 1/2 mile SSW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC42952  Heuchera micrantha J. O. Sawyer, Ken Stillman 1976-7-1 2778 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CAS-BOT-BC319677  Hieracium albiflorum Edward Lee 1934-8-13 1088 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) Road, Klamath National Forest 1463 Comment
  CAS-BOT-BC319678  Hieracium albiflorum Geo. D. Butler 1910-6-5 1483 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC319693  Hieracium albiflorum Lewis S. Rose 1945-6-18 45086 Siskiyou Horse Creek and Klamath River 502 Comment
  JEPS36677  Hieracium albiflorum Geo. D. Butler 1908-7-20 330 Siskiyou w side Humbug Mountain Comment
  UC701259  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou El, Mt. Marble Mts., Elk Mt. Comment
  CAS-BOT-BC318510  Hieracium bolanderi Doris K. Kildale 1929-7-20 8540 Siskiyou Trail to Preston Peak along South Fork INdian Creek 2133 Comment
  JEPS104845  Hieracium greenei Dean W. Taylor 1996-6-28 15754 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  JEPS25876  Hieracium greenei Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7461 Siskiyou above and due e of Twin Valley ((about 12 air mi nw of Happy Camp)); Siskiyou Mountains 1584 Comment
  RSA608270  Hieracium greenei L. C. Wheeler 1935-7-23 3687 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  CAS-BOT-BC318646  Hieracium horridum Douglas Barbe 1959-7-4 519 Siskiyou North shore of Caribou Lake about 4 mi SW of Big Flat Camp, Klamath Nat'l Foest 2103 Comment
  HSC26559  Hieracium horridum J. P. Smith, J. O. Sawyer 1972-8-20 5751 Siskiyou Slope of Mt. Hoffman 2134 Comment
  CAS-BOT-BC315998  Hieracium nudicaule Wm. Bridge Cooke 1938-7-29 11407 Siskiyou Below Wagon Camp, Mount Shasta 1676 Comment
  CAS-BOT-BC316016  Hieracium nudicaule Ira L. Wiggins 1955-7-27 13522 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1408933  Hieracium nudicaule Frederick W. Oettinger 1969-8-9 1257 Siskiyou Toms Lake Basin, w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area Salmon Mountains, Toms Lake Basin 1889 Comment
  UCD133118  Hieracium scouleri J. M. Tucker; L. K. Mann 1963-8-18 3767 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  OBI55424  Hieracium scouleri David J. Keil 1992-7-20 23485 Siskiyou Klamath NF, W of Fort Jones .Along forest rd 44N45, 1.4 mi S of Scott river rd, 0.1 mi S of Boulder Crk trl head 1000 Comment
  CHSC69071  Hieracium scouleri var. nudicaule Vernon Oswald; Lowell Ahart 1997-7-28 8777 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  JEPS45038  Holodiscus discolor Geo. D. Butler 1908-7-19 494 Siskiyou Humbug Comment
  RSA237613  Holodiscus discolor Frederick W. Oettinger 1969-9-4 1667 Siskiyou Cliffs south of of Tobacco Lake basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SEINET6726805  Holodiscus discolor var. discolor G. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek 914 Comment
  HSC92531  Hordeum brachyantherum Jennifer Whipple 1978-10-6 2428 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CHSC91359  Hordeum depressum Lowell Ahart; John Dittes 2005-6-9 12001 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC284769  Hordeum murinum subsp. glaucum Dorothy Parker 1949-5-3 77 Siskiyou In McConahue Gulch, Scott Valley 914 Comment
  CAS-BOT-BC143967  Horkelia daucifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53562 Siskiyou Yreka 822 Comment
  CAS-BOT-BC143968  Horkelia daucifolia John Thomas Howell 1980-4-30 53448 Siskiyou Yreka 792 Comment
  JEPS113065  Horkelia fusca var. brownii Roy Buck 1987-6-27 732 Siskiyou along USFS Road 41N36 ca 20 mi NE of Bartle Comment
  SJSU6484  Horkelia fusca var. parviflora R. W. Trivelpiece 1972-6-9 98 Siskiyou c. 4 mi E of Grass L 1524 Comment
  CAS-BOT-BC536224  Horkelia fusca var. parviflora Ella Dales Cantelow 1939-6-10 2587 Siskiyou 17.6 miles SE of McCloud on road to Burney Comment
  SEINET7096761  Horkelia tridentata A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between tail road and highway 99 (I 15). NAD27, 41? deg. 25' 49ao, -122?_ 24' 09ao (converted to WGS84 decimal degrees) UTM Zone 10, 549920mE, 4586493mN. Comment
  JEPS107486  Hornungia procumbens Lowell Ahart, John Dittes 2005-6-9 12044 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC201127  Hosackia crassifolia A. A. Heller 1905-6-5 7972 Siskiyou Along the Sacramento a short distance below Shasta Springs. Between Shasta Retreat and Shasta Springs Comment
  CAS-BOT-BC201133  Hosackia crassifolia Doris K. Kildale 1929-7-20 8573 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  CAS-BOT-BC142672  Howellanthus dalesianus F. W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Fores: c. 15 air mi. SW of Weed near Kangaroo Lake Campground Comment
  CAS-BOT-BC312572  Hulsea nana R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  SEINET10475155  Hulsea nana Mary Susan Taylor 1980-8-19 Taylor 3265 Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  HSC61784  Hydrophyllum occidentale Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS80499  Hydrophyllum occidentale Gilbert Muth 1966-7-8 361 Siskiyou Marble Valley Meadow; Marble Mt. Wilderness Area 1792 Comment
  JEPS82677  Hydrophyllum occidentale Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs (Cabin Meadow); Cabin Meadow 1935 Comment
  RSA211320  Hydrophyllum occidentale William J. Ferlatte 1966-6-22 90 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter s; Trinity Alps. 1524 Comment
  RSA238848  Hydrophyllum occidentale Frederick W. Oettinger 1969-7-9 945 Siskiyou NW of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1799 Comment
  JEPS35539  Hymenoxys hoopesii Geo. D. Butler 1908-8-2 318 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 Comment
  RSA114967  Hymenoxys lemmonii E. K. Balls, Lenz 1956-6-18 21723 Siskiyou 5.7 miles SE of Gazelle, Hwy 99, Yreka to Dunsmuir. 884 Comment
  CAS-BOT-BC400992  Hypericum anagalloides Gilbert Muth 1966-8-1 480 Siskiyou Marble Valley Horse Pasture, Marble Mts. 1792 Comment
  HSC99611  Hypericum anagalloides J. O. Sawyer 1969-8-5 1773 Siskiyou W of Little Duck Lake 2073 Comment
  RSA211252  Hypericum formosum var. scouleri William J. Ferlatte 1966-8-2 224 Siskiyou Big Flat. Hillside seep forming boggy meadow. Between campground and S. Fork of the Salmon R. 1524 Comment
  HSC99612  Hypericum scouleri J. O. Sawyer 1969-7-26 1593 Siskiyou Along Sugar Creek 1707 Comment
  RSA516492  Iliamna bakeri L. R. Heckard, L. Constance, R. Ornduff 1969-6-24 2290 Siskiyou Northwest side of Mt. Shasta along Hwy 97, 0.7 miles south of Bolam road junction Comment
  JEPS799  Ipomopsis aggregata subsp. bridgesii W. L. Jepson 1940-6-27 20050 Siskiyou e slope Mt. Shasta 1676 Comment
  CHSC65501  Ipomopsis aggregata subsp. formosissima Maria Ulloa-Cruz 1994-8-3 68 Siskiyou Shasta-Trinity National Forests. Mount Shasta Ranger District. West arm of Panther Creek. On slope next to road. 1800 Comment
  RSA78832  Ipomopsis aggregata subsp. formosissima P. A. Munz 1952-7-2 17910 Siskiyou West of Baldy Mountain L.O. 6 air miles west of Happy Camp, Siskiyou Mountains 1768 Comment
  CHSC75691  Isatis tinctoria Vernon H. Oswald; Lowell Ahart 1999-7-5 9804 Siskiyou Gazelle-Callahan Hwy. 11.3 mi west of Gazelle, 0.2 mi east of summit of Gazelle Mtn. Roadside. 1188 Comment
  CAS-BOT-BC57680  Isoetes bolanderi L. P. Janeway 1993-8-31 4574 Siskiyou Seven Lakes Basin quad, above and south of Terrace Lake; headwaters of South Fork Sacramento River 1941 Comment
  RSA608670  Isoetes occidentalis L. C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mile NE of Sawtooth Mountain. 1616 Comment
  SEINET8198344  Isoetes occidentalis D. W. Taylor 2002-7-27 18282 Siskiyou Scott Mountains, small pond in Grouse Creek drainage, Scott River Watershed, Scott Mountains 1509 Comment
  JEPS91218  Ivesia gordonii Dean W. Taylor 1988-7-10 9963 Siskiyou summit ridge Mt. Eddy 2750 Comment
  RSA184731  Ivesia gordonii var. alpicola Gilbert Muth 1966-7-22 381 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  UC375240  Juglans californica var. hindsii Geo. D. Butler 1910-6-8 1545 Siskiyou Yreka Comment
  CAS-BOT-BC109977  Juncus Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake near Salmon Mountain. 1981 Comment
  CAS-BOT-BC109978  Juncus Melissa A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South Fork of Salmon River. 1676 Comment
  UCD141342  Juncus balticus subsp. ater Calvin McMillan; Malcom A. Nobs 1949-6-17 805 Siskiyou Grass Lake, Highway 97. Comment
  POM176294  Juncus bufonius var. bufonius E. B. Copeland 1903-7-7 3555 Siskiyou Hornbrook. Comment
  CHSC40150  Juncus covillei L. P. Janeway 1983-8-26 612 Siskiyou At Poker Flat. NW part of meadow near dirt road. 1524 Comment
  UC1573177  Juncus covillei Dean Wm. Taylor with Glenn Clifton 1987-8-5 9223 Siskiyou Tate Creek, at crossing of Forest Road 36N06, McCloud River watershed McCloud River 1484 Comment
  JEPS84032  Juncus drummondii L. R. Heckard with J. Hickman et al. 1986-7-17 6532 Siskiyou se of Condrey Mt. (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  HSC78393  Juncus ensifolius L. P. Janeway 1983-9-11 668 Siskiyou Poker Flat, seep at NW side 1524 Comment
  JEPS66976  Juncus ensifolius Geo. D. Butler 1908-8-28 80 Siskiyou Oro Fino Comment
  HSC39871  Juncus exiguus J. O. Sawyer 1969-7-10 1213 Siskiyou N of Sugar Creek along FS Rd. 41N14 1372 Comment
  UC1265481  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger and R. F. Thorne 1968-8-7 1266 Siskiyou just w Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1767 Comment
  UC1523845  Juncus howellii W. J. Ferlatte Jul 23 1986-Aug 4 1986 Siskiyou ca 1 mi n Trinity Co. line (Parks Creek Rd, on divide between Eddy Creek and Parks Creek) 2011 Comment
  CHSC2218  Juncus mertensianus V. Holt 1943-8-11 Siskiyou Marble mountains. 1828 Comment
  HSC58879  Juncus mertensianus Marvin Butler 1971-8-31 311 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  UC1106413  Juncus mertensianus Peter Kamb 1949-8-25 1486 Siskiyou above Horse Camp (sw slope of Mt. Shasta); Mt. Shasta 2621 Comment
  UC1265303  Juncus occidentalis Frederick W. Oettinger 1969-8-24 1526 Siskiyou due w English Lake main camp (midway between English Lake main camp and Sundew Bog, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1798 Comment
  RSA739865  Juncus parryi L. P. Janeway, B. Castro 2007-7-29 9144 Siskiyou High Cascade Range, Medicine Lake Highlands, Pumice Stone Mtn 2054 Comment
  UCD141754  Juncus parryi William Bridge Cooke 1937-8-7 9252 Siskiyou Vicinity of The Gate (south) Hudsonian. 2590 Comment
  CAS-BOT-BC81133  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou south slope 1/2 mile west White Mt., Siskiyou Mts. 1920 Comment
  SBBG33704  Juniperus communis W. M. Plumb 1969-9-23 Siskiyou China Mtn above Caldwell Lakes 2438 Comment
  POM210930  Juniperus communis var. montana L. C. Wheeler 1934-8-14 3123 Siskiyou 0.5 mile west White Mountain, Siskiyou Mountains 1921 Comment
  CAS-BOT-BC81237  Juniperus occidentalis Elmer I. Applegate 1935-6-5 9293 Siskiyou Indian Well, Lava Beds National Monument Comment
  UC202649  Juniperus occidentalis Geo. D. Butler 1908-8-16 227 Siskiyou dry hills near Yreka Comment
  SEINET10531160  Juniperus occidentalis Jeffrey Huber 1971-6-9 Huber 268 Siskiyou 3 mi N of Weed, on US Hwy 97; S facing 20.00 slope; roadside; in Pinus ponderosa, and P. jeffreyi, and Artemisia tridentata and Purshia. 1128 Comment
  JEPS95663  Juniperus occidentalis var. occidentalis Vernon H. Oswald and L. Ahart 1999-7-5 9813 Siskiyou Gazelle Mtn. on road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 5100 ft, yellow pine forest, serpentine substrate 1554 Comment
  RSA6894  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley, east side Comment
  RSA105315  Juniperus occidentalis var. occidentalis Milo S. Baker 1955-6-26 13071 Siskiyou Highway 99, 2 miles south of Gazelle 915 Comment
  CHSC30111  Kalmia polifolia subsp. microphylla M. S. Taylor 1980-6-4 2789 Siskiyou Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  UC1037376  Kalmia polifolia subsp. microphylla Douglas Barbe 1955-7-6 125 Siskiyou se shore of Taylor Lake Taylor Lake; Klamath Mountains, Salmon Mountains, Taylor Lake 1950 Comment
  RSA293279  Keckiella corymbosa D. C. Michener 1980-8-3 3772 Siskiyou Klamath Mtns. Along the Klamath River and CA 96, 5.5 miles south of Happy Camp [from jct with Elk Creek Rd.] 350 Comment
  NY790342  Keckiella lemmonii D. C. Michener 1980-8-2 3765 Siskiyou Klamath Mountains. Along CA 96 along the Klamath River between Swillup and Coon Creeks, ca. 17 miles south of Happy Camp. 304.8 Comment
  UC457143  Keckiella lemmonii David D. Keck 1927-8-17 1265 Siskiyou 4.5 mi from Mt. Shasta City (on Horse Camp trail, w flank of Mt Shasta); Mt. Shasta 1828 Comment
  JEPS12483  Kelloggia galioides Geo. D. Butler May 1908 415 Siskiyou Cold Spring Camp; Wooley Creek 1676 Comment
  JEPS82321  Kelloggia galioides Roger Raiche 1982-7-8 20589 A Siskiyou above Lily Pad Lake (Cook and Green Pass); above Lily Pad Lake, Cook and Green Pass 1828 Comment
  CDA43045  Kochia scoparia Michael Pitcairn 2014-9-11 s.n. Siskiyou Butte Valley; Dorris. Comment
  CAS-BOT-BC274223  Koeleria Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, near Callahan 975 Comment
  SACT001423  Koeleria cristata Geo Butler 1910-7-3 Siskiyou Dry land. Comment
  CAS-BOT-BC340376  Kyhosia bolanderi Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  UC89377  Kyhosia bolanderi Brandegee July 1887 Siskiyou Sisson's Comment
  CAS-BOT-BC341692  Lagophylla ramosissima A. A. Heller 1919-6-27 13279 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UC1185277  Lathyrus brownii H. E. Brown 1897-6-10 Siskiyou near Sisson 1083 Comment
  UC164040  Lathyrus brownii Geo. D. Butler 1910-5-15 1346 Siskiyou Greenhorn Mountain 1066 Comment
  UC796605  Lathyrus brownii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11828 Siskiyou 1 mi below w side Gazelle Mt. Grade (Gazelle-Callahan Road) 1219 Comment
  UC864539  Lathyrus brownii A. A. Heller 1915-7-16 12096 Siskiyou n side Mt. Eddy 1524 Comment
  CDA17136  Lathyrus nevadensis G. F. Hrusa 2001-6-6 15850 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  UC1258450  Lathyrus nevadensis var. nevadensis Maralyn A. Renner 1980-6-26 1177 Siskiyou n edge Flint Valley; Klamath National Forest, Dillon Mtn. Quad. 1389 Comment
  UC1409225  Lathyrus nevadensis var. nevadensis Frederick W. Oettinger 1969-8-1 1136 b Siskiyou between English Lake and Wire Grass Meadow (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountains Wilderness Area 1676 Comment
  RSA78674  Lathyrus polyphyllus P. A. Munz 1952-7-1 17867 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  UCD18220  Lepidium campestre Joe Ditomaso 2001-5-22 s.n. Siskiyou near Hwy 89, 2 miles W of McCloud. Comment
  CDA24934  Lepidium montanum subsp. canescens R. S. Richards 1975-6-9 Siskiyou E. Dougherty & Sons potato sorting shed, Gazelle. 0 Comment
  CHSC86463  Lepidium perfoliatum Jenny Marr 1993-7-1 80 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  HSC101759  Leptochloa fusca subsp. fascicularis J. P. Smith, J. O. Sawyer 2011-9-4 13414 Siskiyou Along Ball Mountain-Little Shasta-Mt. Hebron Road. 877 Comment
  UC643289  Leptodactylon pungens W. Bridge Cooke 1940-6-27 15218 Siskiyou in brush field in the Lava Park along old logging rd leading up Mount Shasta from Hotlum Station on the n side Mount Shasta 1371 Comment
  POM43381  Leptosiphon bolanderi Geo D. Butler 1910-4-14 1172 Siskiyou Dry hills, Yreka. Comment
  POM215941  Leptosiphon harknessii L. C. Wheeler 1934-7-3 2868 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts 1677 Comment
  JEPS53789  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek Comment
  CAS-BOT-BC341899  Lessingia nemaclada Doris K. Kildale 1928-7-25 5880 Siskiyou Klamath River near Hamburg Comment
  OBI53787  Lessingia nemaclada David J. Keil 1992-7-20 23471 Siskiyou W side of Scott Valley, 4.9 mi N of Etna alog CA Rte 3 875 Comment
  RSA15802  Lessingia nemaclada Carl B. Wolf 1927-8-26 1058 Siskiyou Klamath River, 3 miles below Gottville Comment
  CAS-BOT-BC342101  Leucanthemum vulgare Louis C. Wheeler 1934-8-20 3198 Siskiyou Cinnabar Mine, W Fork Beaver Creek, Siskiyou Mts. 1127 Comment
  POM255861  Lewisia cotyledon Marion Ownbey, Ruth Ownbey 1938-7-19 1751 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout Comment
  CAS-BOT-BC229452  Lewisia cotyledon James Payne Smith, Jr. 1978-5-28 9955 Siskiyou Klamath National Forest. Forest Service Road 39N27, 3.1 miles south of Sawyers Bar 1219 Comment
  CAS-BOT-BC229453  Lewisia cotyledon Mrs. A. E. Stonehouse 1917-6-1 s.n. Siskiyou Hilts [Hilt] Comment
  RSA237464  Lewisia cotyledon Frederick W. Oettinger 1968-9-6 746 Siskiyou Ridge trail E of Tom s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC444052  Lewisia cotyledon var. cotyledon Geo. D. Butler 1990-7-20 960 Siskiyou Highland Mine 1828 Comment
  HSC63484  Lewisia cotyledon var. cotyledon M. A. Baker 1979-7-29 1066 Siskiyou 3100 Comment
  JEPS25554  Lewisia cotyledon var. howellii Maxine Gibeson 1961-5-13 Siskiyou on large cliff...across Klamath River from Calif. Highway no. 96 (1 mi e of Walker Bridge, almost directly across from Oak Knoll Ranger Sta., 9 1/2 mi w of commun. of Klamath River) 524 Comment
  CAS-BOT-BC444082  Lewisia leeana Doris K. Kildale 1929-8-24 8824 Siskiyou Preston Peak 2225 Comment
  UC1408827  Lewisia leeana Frederick W. Oettinger 1968-8-22 594 Siskiyou slope betweeen English Peak and Diamond Lake; Salmon Mountains, High Lake Basins, Marble Mountain Wilderne 2194 Comment
  HSC44986  Lewisia leeana J. O. Sawyer 1978-6-21 3291 Siskiyou Marble Mtn. Wilderness area, ridge above Crapo Meadow 2012 Comment
  RSA78837  Lewisia leeana P. A. Munz 1952-7-2 17915 Siskiyou Ridge on road to Baldy Mt, 6 miles W air of Happy Camp. 1433 Comment
  SEINET11935788  Lewisia leeana Unknown 1986-1 60357 Siskiyou SW of Cook & Green Pass, Kangaroo Mt 1859 Comment
  UC1090386  Lewisia rediviva Milo S. Baker 1957-6-16 13122 Siskiyou Scott Mt. 1645 Comment
  HSC24052  Lewisia triphylla J. O. Sawyer 1971-7-2 2403 Siskiyou 1463 Comment
  RSA211258  Lewisia triphylla William J. Ferlatte 1966-6-22 74 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  UC803925  Leymus triticoides G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-8 4017 Siskiyou 3 mi s Grenada (along RR right of way) 792 Comment
  SEINET10531266  Libocedrus decurrens E. E. Stanford 1930-6-15 Stanford 1582 Siskiyou 1 mile north of Dunsmuir; roadsides. Comment
  HSC96859  Ligusticum grayi Gordon Leppig, J. Cromwell 1997-7-25 587 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake 2200 Comment
  HSC67682  Lilium kelleyanum John S. Palmer 1980-7-24 623 Siskiyou Elk Hole 1503 Comment
  CAS-BOT-BC509381  Lilium kelleyanum Alice Eastwood 1923-5-1 s.n. Siskiyou Shasta Springs Comment
  RSA761679  Lilium pardalinum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63355 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  SEINET3887240  Lilium pardalinum Alv Dan Youngberg 1964-6-14 69 Siskiyou Humbolt Meridian.; 0 427 Comment
  SEINET8480709  Lilium pardalinum W. Roderick 1967-7-28 s.n. Siskiyou Center of town of Mt. Shasta, between the old highway and the railroad. 1067 Comment
  UCD77825  Lilium pardalinum subsp. shastense Robert E. Preston 2001-6-23 1541 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1706 Comment
  HSC101482  Lilium pardalinum subsp. wigginsii J. P. Smith, J. O. Sawyer 2011-7-21 13034 Siskiyou Near Dillon Camp 1358 Comment
  RSA28139  Lilium washingtonianum Albert M. Vollmer, I. L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town on Mount Shasta 1402 Comment
  UC1190145  Lilium washingtonianum subsp. purpurascens Ira L. Wiggins 1955-7-24 13489 Siskiyou ridge between upper reaches of Chin Creek and Blind Horse Creek 1493 Comment
  CAS-BOT-BC133104  Lilium washingtonianum subsp. washingtonianum Wm. Bridge Cooke 1938-7-22 11328 Siskiyou Sisson Southern Trail 1524 Comment
  CAS-BOT-BC133090  Lilium washingtonianum subsp. washingtonianum Albert Vollmer 1949-7-5 10 -A Siskiyou Base of Mount Shasta Comment
  CAS-BOT-BC123092  Lilium wigginsii Lawrence Beane; Albert Michael Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Hwy 99 Comment
  CAS-BOT-BC123093  Lilium wigginsii Lawrence Beane; Albert Michael Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Hwy 99 Comment
  UC163841  Linanthus ciliatus Geo. D. Butler 1910-4-25 1243 Siskiyou Oro Fino Comment
  UC52821  Linanthus ciliatus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Comment
  JEPS58444  Linanthus harknessii Geo. D. Butler 1910-7-7 1657 Siskiyou Shackleford Creek 1219 Comment
  UC1191631  Linanthus harknessii Herbert L. Mason 1948-7-18 13606 a Siskiyou Grass Lake Comment
  HSC28213  Linnaea borealis subsp. longiflora Carl W. Mize 1972-6-23 94 Siskiyou Along trail by Camp Three. 976 Comment
  SBBG69501  Linnaea borealis var. longiflora J. G. Lemmon 1879-7-4 Siskiyou near Shasta Comment
  HSC476  Listera convallarioides William J. Ferlatte 1967-7-25 724 Siskiyou Caribou Basin 1982 Comment
  HSC61604  Listera convallarioides Ruby Van Deventer 12 Jul [year missing] Siskiyou Lookout Mountain Comment
  RSA697650  Lithocarpus densiflorus var. echinoides Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mnts. 1006 Comment
  CAS-BOT-BC432322  Lithophragma campanulatum Roxana S. Ferris; Laura Lorraine 1948-6-12 11804 Siskiyou At Mule Creek crossing on Scott Mountain Road S of Callahan 1524 Comment
  CAS-BOT-BC435631  Lithophragma heterophyllum J. H. Thomas 1954-5-13 4154 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek. 1127 Comment
  HSC62131  Lithophragma heterophyllum Ruby Van Deventer 28 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  SD230185  Lithospermum californicum Louis C. Wheeler 1959-7-24 7589 Siskiyou Salmon & Marble Mountains Region: Ridge between Crawford Creek Gulch. Comment
  UC1400381  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou e. side Hancock Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1950 Comment
  HSC29158  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou High Lake Basins, Marble Mountain Wilderness Area, Hancock Lake 1951 Comment
  HSC76688  Lomatium dissectum var. multifidum K. T. Stillman 1976-7-30 319 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  POM254185  Lomatium engelmannii Alice Eastwood, Howell 1937-4-20 1785 Siskiyou 4 miles north of Weed Comment
  UC1731419  Lomatium engelmannii Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15982 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  HSC29129  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou Marble Mountain Wilderness Area, SSW of Upper English Lake 1921 Comment
  SEINET7042824  Lomatium peckianum A. G. Vestal 1955-5-16 s.n. Siskiyou Bouldery roadside ca. 5.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 544718mE, 4590385mN. Comment
  JEPS109652  Lomatium tracyi Dean W. Taylor 2002-6-29 18203 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  HSC19258  Lonicera ciliosa J. O. Sawyer 1969-6-11 869 Siskiyou Miner's Campground. Comment
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Feb 5 2013
  HSC81884  Lonicera ciliosa Barry Silver 1986-5-24 638 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp. 671 Comment
  JEPS12870  Lonicera ciliosa Dorothy Boedecker 1937-6-10 Siskiyou Etna Comment
  HSC61904  Lonicera conjugialis Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC240846  Lonicera interrupta C. H. M. 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Canyon Comment
  CHSC51217  Lonicera interrupta L. P. Janeway 1984-6-21 857 Siskiyou South side of Klamath River just E of Humbug Point; Garvey Bar. 594 Comment
  RSA610629  Lonicera interrupta L. C. Wheeler 1934-6-26 2784 Siskiyou Klamath River at Camp Lower; Siskiyou Mts. Mt. Diablo Mer. 762 Comment
  RSA715637  Lotus denticulatus L. Ahart 2005-6-9 12008 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  RSA582427  Lotus douglasii Louis C. Wheeler 1935-5-26 3529 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  JEPS101139  Lotus nevadensis var. nevadensis Dean W. Taylor 1996-6-20 15720 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) Comment
  UC144518  Lotus nevadensis var. nevadensis A. A. Heller 1905-6-8 8000 Siskiyou Yreka Comment
  UCR94141  Lotus nevadensis var. nevadensis N. A. Alexander, N. F. McBain, J. A. Alexander 1995-6-30 423 Siskiyou Lime Gulch, Klamath River drainage, along Calif. Hwy 96, c. 7 mi. W (293 deg. ) of intersection with Interstate Hwy 5, near Clyburn home (1917-1966). 518 Comment
  RSA105529  Lotus unifoliolatus G. D. Barbe 025 Siskiyou 1.8 miles north of Callahan. 1006 Comment
  CAS-BOT-BC140213  Luetkea pectinata G. J. Muth 1969-8-10 1330 Siskiyou Ridge w. of Boulder Peak 2346 Comment
  UC618836  Luetkea pectinata unknown 1938-9-9 11635 Siskiyou Mount Shasta; around springs in The South Gate, and around upper portion of Squaw Creek Meadows Comment
  UCD113638  Luetkea pectinata J. M. Tucker 1963-7-8 3732 Siskiyou Trail to Marble Valley, ca. 2 miles south of Paradise Lake, Marble Mountain Wilderness Area. 1981 Comment
  UC865577  Lupinus A. A. Heller 1916-7-19 12458 Siskiyou near Sisson; near Sisson 1074 Comment
  UCD109681  Lupinus A. A. Heller 1920-7-3 13407 Siskiyou at Metcalf's ranch, northeast base of Mt. Eddy in the Humid Transition zone. 1158 Comment
  UC157017  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-8-3 372 Siskiyou Log Lake Log Lake, Shackleford Creek (Shackleford Creek) Comment
  RSA105764  Lupinus albicaulis var. shastensis W. Bridge Cooke 1940-07 15329 Siskiyou Near the Mount Shasta High School along Alma Street in Mount Shasta near the city limits on the way to the Memorial Highway. Comment
  CAS-BOT-BC195966  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-6 47205 Siskiyou Gazelle, 3.2 miles south, Highway 99 Comment
  UC157011  Lupinus albifrons var. albifrons Geo. D. Butler 1909-5-26 776 Siskiyou Cherry Creek Comment
  UC157012  Lupinus albifrons var. collinus Geo. D. Butler May 2 1910-May 16 1910 1268 Siskiyou Yreka Comment
  UC796507  Lupinus albifrons var. collinus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11725 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road 1066 Comment
  JEPS95135  Lupinus angustiflorus Vernon Oswald and Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake se of Medicine Lake; Bullseye Lake 2057 Comment
  SFV18059  Lupinus angustiflorus J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Siskiyou 2 miles south of Lava Beds National Monument on Lava Beds National Monument Road. 1738 Comment
  RSA11947  Lupinus angustiflorus Elmer I. Applegate 1923-8-20 3907 Siskiyou South side of medicine Lake. 2134 Comment
  SDSU4651  Lupinus argenteus D. F. Howe 1964-8-5 3936 Siskiyou 3 miles north of Dorris on # 97. Comment
  HSC30776  Lupinus bicolor J. P. Smith, J. O. Sawyer 1972-5-28 5363 Siskiyou 1 mi. S of Etna on Hwy. 3 91 Comment
  CAS-BOT-BC215189  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  HSC81548  Lupinus croceus Thomas W. Nelson, Jane P. Nelson 1980-7-21 6155 Siskiyou Along F.S. Rd. 40N08, .25 mi. from jct. with State Route 3. 1646 Comment
  UC1576147  Lupinus excubitus J. P. Smith, J. O. Sawyer, and Maralyn O'Meara 1972-7-3 5703 Siskiyou e slope Kangaroo Mtn. (above Toehead Lake); e slope of Kangaroo Mtn, above Toehead Lake 1889 Comment
  HSC41641  Lupinus lapidicola Jennifer Whipple 1976-6-30 1180 Siskiyou S face of Mt. Eddy draining into the N fork of the Sacramento River 2500 Comment
  HSC41642  Lupinus lapidicola Jennifer Whipple 1976-6-12 975 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  RSA32903  Lupinus latifolius subsp. viridifolius A. A. Heller 1928-6-9 14601 Siskiyou Shasta Retreat Comment
  RSA413738  Lupinus latifolius subsp. viridifolius Louis C. Wheeler 1934-7-3 2874 Siskiyou Smoky Creek, Sterling Mt. 1494 Comment
  UC162166  Lupinus latifolius var. viridifolius Geo. D. Butler 1908-8-5 374 Siskiyou Woolly Creek above Cold Spring; above Cold Spring, Woolly Creek Comment
  RSA32788  Lupinus laxiflorus A. A. Heller 1938-7-12 15260 Siskiyou East of Deer Mountain. 1402 Comment
  SBBG10909  Lupinus lepidus var. sellulus H. and M. Dearing 1939-6-28 2180 Siskiyou McCloud Comment
  RSA0064518  Lupinus leucophyllus Daisie Huang 2006-8-4 06080403 Siskiyou Klamath River Highway, west of I-5. 490 Comment
  SEINET8056438  Lupinus leucophyllus G. D. Butler 1910-5-21 1376 Siskiyou Klamath River Comment
  UCSB16736  Lupinus leucophyllus 1962-6-11 Siskiyou Roadbank along Scott River, 2 miles north of Scott Bar 487 Comment
  UC83100  Lupinus luteolus Katharine Brandegee July 1887 Siskiyou Hornbrook Comment
  POM10803  Lupinus luteolus E. B. Copeland 1903-7-2 3535 Siskiyou Klamathon Comment
  UC126997  Lupinus nanus Thos. Howell 1889-4-14 1345 Siskiyou Hornbrook Comment
  SBBG45486  Lupinus obtusilobus H. and M. Dearing 1948-9-12 6728 Siskiyou Mount Shasta 2316 Comment
  UC1034051  Lupinus obtusilobus W. Bridge Cooke 1941-9-10 16310 Siskiyou vicinity Horse Camp (Mt. Shasta); Mt. Shasta Comment
  SEINET13709896  Lupinus polyphyllus var. burkei Lowell William Ahart, Lowell William Ahart 1998-1 9330 Siskiyou Northeast of Weed on Tennant Rd. 4.5 Mi. E Haw 97, 0.5 Mi. W of The Old State Hwy to Bray (T44N, R1W, sec 19, SW of Sw) 4650 Ft. 1417 Comment
  HSC92407  Lupinus sellulus subsp. ursinus Jennifer Whipple 1978-10-6 2396 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  HSC74871  Lupinus sellulus var. artulus J. P. Smith, Jennifer Whipple 1978-7-2 9971 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  SEINET10490259  Lupinus subvexus var. transmontanus David B. Dunn, Patricia L. Kenney; Douglas G. LeDoux 1973-6-1 Dunn 20637 Siskiyou About 1 mi s of hornbrook. Along old hwy, four spp of lupines growing in Proximity. Area under cultivation and pasture. Waste areas by road and along Road cuts. Comment
  CAS-BOT-BC7548  Lupinus viridifolius Amos Arthur Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC436698  Luzula comosa var. laxa Wm. Bridge Cooke 1939-7-7 13602 Siskiyou Mt. Shasta: between Bear Springs and Wagon Camp 1676 Comment
  CHSC111640  Luzula comosa var. laxa Peter F. Zika 2009-8-16 24597 Siskiyou Damp meadows near north end of Juanita Lake, over basalt, partial shade, Forest Sevrice Road 46N04. 1550 Comment
  RSA211370  Luzula divaricata William J. Ferlatte 1966-8-19 452 Siskiyou Head of Kidd Creek. Trinity Alps. 2134 Comment
  UC163804  Lythrum hyssopifolia Geo. D. Butler 1908-7-16 404 Siskiyou near Yreka Comment
  CDA8226  Machaeranthera canescens T. C. Fuller 1963-8-27 11158 Siskiyou Highway 97 to Weed, 5.7 miles south of Grass Lake Campground. 0 Comment
  SEINET2121892  Machaeranthera canescens M. L. Carson 1968-12-8 1294 Siskiyou US Highway 97 ca. 20 mi S of Macdoel and 7.8 mi N of junction of road to Yreka at Yellow Butte, close to Mount Shasta viewpoint before going down a long hill 1430 Comment
  CDA34595  Machaeranthera canescens var. shastensis M. Beyers, G. F. Hrusa 2010-8-18 708 Siskiyou Highway 3; +/- south of Callahan just N of where Pacific Crest Trail intersects highway. 1638 Comment
  CAS-BOT-BC344006  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Klamath National Forest. Beaver Cr. 914 Comment
  RSA606132  Madia elegans subsp. elegans L. C. Wheeler 1935-6-13 3584 Siskiyou North side Scott River, Scott Bar Mountains 793 Comment
  CAS-BOT-BC343424  Madia gracilis unspecified 1902-9-11 s.n. Siskiyou Sisson Comment
  HSC94094  Madia gracilis G. Fred Hrusa 1998-7-5 14690 Siskiyou Bear Creek Rd., 1/2 mi. N of Hwy. 96 and 10 mi. SW of Happy Camp Comment
  POM362197  Madia madioides J. O. Sawyer, Ken Stillman 1976-5-28 2727 Siskiyou Along road west of Sawyers Bar 610 Comment
  UCR66722  Madia minima L. C. Wheeler 1934-6-1 02601 Siskiyou Siskiyou Mtns., Mt. Diablo mer. 2058 Comment
  POM224453  Mahonia aquifolium H. P. Bracelin 1936-5-12 849 Siskiyou North base of Mt. Eddy, 11 miles N.W. of Mt. Shasta City; about 2 miles E. of Burney Mill; flat beside creek at bridge. 1128 Comment
  RSA237902  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou East side of Hancock Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1936 Comment
  CAS-BOT-BC514183  Maianthemum stellatum Ira L. Wiggins 1955-7-23 13478 Siskiyou Banks of China Creek 1097 Comment
  SEINET7073521  Malacothrix floccifera A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
  RSA441246  Marah oregana L. C. Wheeler 1934-7-3 2861 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  HSC22488  Melica bulbosa J. O. Sawyer 1969-7-2 1025 Siskiyou SW facing upper slope SW of Upper Lake. 2378 Comment
  JEPS83999  Melica bulbosa L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6382 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  RSA239021  Melica bulbosa Frederick W. Oettinger 1968-8-8 451 Siskiyou Crapo Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA403520  Melica bulbosa M. B. Dunkle 1945-1 9319 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  SEINET935329  Melica californica Lincoln Constance, R. C. Rollins 1942-1 2934 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  UCD87010  Melica californica A. H. Murphy 1953-7-29 KNF 13 Siskiyou Klamath National Forest. Steavale Canyon, 1524 Comment
  HSC644  Melica fugax William J. Ferlatte 1967-7-6 611 Siskiyou Dorleska summit. 2134 Comment
  JEPS69302  Melica fugax Geo. D. Butler 1909-5-26 824 Siskiyou near Yreka Comment
  CAS-BOT-BC281312  Melica harfordii Marion Ownbey; Fred G. Meyer 1940-7-7 s.n. Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  UCD87367  Melica harfordii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3438 Siskiyou Near Happy Camp. Klamath River. Comment
  SEINET10599420  Melica harfordii A. Arthur Heller 1905-6-1 Heller 7935 Siskiyou Between Upper Soda Spring & Shasta Retreat. Comment
  HSC34134  Melica subulata J. O. Sawyer 1969-8-3 1939 Siskiyou Alluvial terrace above Duck Lake Creek. 1921 Comment
  HSC42951  Melica subulata J. O. Sawyer, K. T. Stillman 1976-7-1 2777 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA403532  Melica subulata M. B. Dunkle 1945-1 9261 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC63584  Mentha canadensis J. P. Smith, Steve Selva 1970-8-7 4542 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  UC164049  Mentzelia dispersa Geo. D. Butler 1908-7-3 1026 Siskiyou Comment
  SBBG40391  Mentzelia laevicaulis W. J. Dress 1951-8-15 Siskiyou Klamath River ca. 4 mi W of US Route 99 Comment
  UC1170102  Mentzelia laevicaulis var. laevicaulis W. Bridge Cooke 1956-7-16 30300 Siskiyou above Hotlum Station (Cinder cone, along a road to a gravel pit in chapparal); north side of Mount Shasta 1676 Comment
  UCD13283  Micranthes bryophora K. F. Mawdsley 1996-7-10 16 a Siskiyou California, Siskiyou County. Little Castle Lake, Seven Lakes Basin 7.5 topo. Comment
  CAS-BOT-BC428976  Micranthes ferruginea H. A. Thomas; J. H. Thomas 1954-7-24 4493 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  CAS-BOT-BC429035  Micranthes nidifica Edna Churchill 1904-4-11 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC429261  Micranthes oregana Alice Eastwood 1923-5-22 11890 Siskiyou Sissons [Sisson] Comment
  POM229878  Microseris nutans L. C. Wheeler 1935-6-13 3574 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  SEINET12345976  Mimulus H. P. Chandler 1901-1 1641 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  JEPS10547  Mimulus breweri Milo S. Baker 1893-6 28 Siskiyou 6 mi w (below) Bartle's; McCloud River Comment
  RSA237550  Mimulus floribundus Frederick W. Oettinger 1969-7-11 980 Siskiyou Little Medicine Mountain, north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC76733  Mimulus guttatus K. T. Stillman 1976-7-14 240 Siskiyou Marble Mtn. Wilderness Area Comment
  RSA60485  Mimulus guttatus John H. Thomas 1949-6-16 939 Siskiyou 10 miles north of Gazelle. Comment
  JEPS8210  Mimulus layneae W. L. Jepson 1894-8-9 36 m Siskiyou Shasta Springs Comment
  HSC29422  Mimulus lewisii Frederick W. Oettinger 1969-8-21 1477 Siskiyou Marble Mtn. Wilderness Area, Ethel Lake Comment
  UC1037454  Mimulus moniliformis Douglas Barbe 1955-7-1 77 Siskiyou 4.5 mi s Etna (on the Westside Road to Callahan at the French Creek bridge); Klamath Mountains 853 Comment
  HSC36464  Mimulus moschatus J. O. Sawyer 1969-8-4 1904 Siskiyou Above S Sugar Lake 2043 Comment
  RSA211451  Mimulus moschatus William J. Ferlatte 1966-8-3 282 Siskiyou Josephine Lake basin. 1921 Comment
  HSC422  Mimulus moschatus William J. Ferlatte 1966-7-7 216 Siskiyou NW side of Caribou Mtn. 1829 Comment
  HSC72407  Mimulus moschatus J. P. Smith, Steve Selva 1970-7-27 4510 Siskiyou Gumboot Lake 1768 Comment
  POM213937  Mimulus moschatus Unspecified 1934-6-9 s.n. Siskiyou Ney Creek, 1/8 mile from junction with Sacramento River. 732 Comment
  UCSB59405  Mimulus nanus var. jepsonii Thompson, David 1988-6-4 Siskiyou 8.0 mi E of McCloud along Hwy 89; SW corner of jct of Bigelow Meadows Road and Hwy 89; Opposite Hwy 89 from USFS Road 40N16; 2.4 mi W of turnoff for Cattle Camp (Cattle Camp Road); 2.0 mi W of USFS Ash Creek Station; T39N, R1W, S5 1100 Comment
  JEPS86952  Mimulus nanus var. nanus David M. Thompson 1988-6-5 934 Siskiyou near Old Station (around entrance to Subway Cave, just n of juct of Hwy 44 and Hwy 89) 1280 Comment
  HSC444  Mimulus nanus var. nanus William J. Ferlatte 1966-6-23 137 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  RSA48208  Mimulus nanus var. nanus Roxana S. Ferris, Laura Lorraine 1948-6-12 11717 Siskiyou Schoolhouse Hill, Plowman's Valley (Noyes Valley), east fork of Scott River. Comment
  UC445180  Mimulus pilosus Dr. E. B. Copeland 1903-8-18 3830 Siskiyou Mt. Eddy 2286 Comment
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Sep 16 2010
  UC164372  Mimulus primuloides Geo. D. Butler 1910-7-9 1699 Siskiyou Shackleford Creek 1219 Comment
  UC618708  Mimulus primuloides W. Bridge Cooke 1938-7-1 11124 Siskiyou above Bear Spring (also at Panther and Squaw Creek Meadows); Mount Shasta Comment
  RSA771671  Mimulus primuloides A. E. Culbertson 1943-7-1 79 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  UC164371  Mimulus primuloides subsp. linearifolius Geo. D. Butler 1910-7-13 1770 Siskiyou Shackleford Creek 1219 Comment
  HSC72401  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-18 4480 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  RSA233713  Mimulus primuloides var. linearifolius Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mountains: Shasta-Trinity National Forest: 15 air miles SW of Weed near Kangaroo Lake Campground Comment
  POM208525  Minuartia douglasii L. C. Wheeler 1934-6-4 2640 Siskiyou Ridge E Negro Gulch off Klamath River; Siskiyou Mts. 1067 Comment
  HSC91200  Mitella pentandra Jennifer Whipple 1977-8-6 2234 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC22290  Mitella pentandra J. O. Sawyer 1969-7-11 1313 Siskiyou Above S Sugar Creek 2012 Comment
  JEPS1217  Mitella pentandra Freed Hoffman 1951-7-12 4034 c Siskiyou Hammond's Stock-raising Camp Marble Mountains, Kelsey Creek (about 8 mi above Scott River, w Siskiyou Co.) 1524 Comment
  HSC99251  Mitella trifida G. L. Clifton 1979-7-1 6176 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC36943  Moehringia macrophylla J. P. Smith 1974-5-26 7563 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC43386  Moehringia macrophylla Maralyn O'Meara 1974-5-26 462 Siskiyou Along USFS Rd. 47N03 1524 Comment
  RSA0010759  Mollugo verticillata H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  CAS-BOT-BC221812  Monardella odoratissima David D. Keck 1938-8-6 4816 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  UC25494  Monardella odoratissima subsp. glauca J. W. Morse Jul 1886 Siskiyou Shasta Comment
  UC2035850  Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou Takilma-Happy Camp road 1676 Comment
  SEINET10582084  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 349 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  UC195202  Monardella odoratissima subsp. pallida Annie M. Alexander and L. Kellogg 1916-7-16 259 Siskiyou South Fork Salmon River Trinity Alps 1524 Comment
  UCSB63904  Monardella odoratissima subsp. pallida Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave: T42N R4E NE1/4 NE1/4 Sect. 6, Yellow Pine Forest 1755 Comment
  CAS-BOT-BC220226  Monardella sheltonii Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath River, between Dutch Creek and Deadman Gulch, Siskiyou Mts. 670 Comment
  RSA0022784  Monardella villosa subsp. subserrata Carl B. Wolf 1927-8-27 1129 Siskiyou On the Klamath River. 7 miles below Happy Camp. Comment
  JEPS51855  Monardella villosa subsp. villosa W. L. Jepson 1940-6-22 19974 Siskiyou Near Hornbrook; Klamath River 670 Comment
  HSC4883  Monotropa hypopitys J. O. Sawyer 1968-7-22 560 Siskiyou Between Handcock and Diamond Lakes, near Handcock Lake 1951 Comment
  POM101965  Montia dichotoma Geo. D. Butler 1909-3-23 677 Siskiyou Flats, Oro[ ]. Comment
  CAS-BOT-BC262675  Muhlenbergia asperifolia Louis C. Wheeler 1934-10-21 3342 Siskiyou Shasta Valley 8 miles NE Gazelle 868 Comment
  HSC92502  Muhlenbergia filiformis Jennifer Whipple 1977-8-5 2171 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  RSA115546  Muhlenbergia filiformis Beecher Crampton 1956-8-22 3859 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  UC1265409  Muhlenbergia filiformis Frederick W. Oettinger 1969-9-1 1575 Siskiyou Katharine Lake Salmon Mountains, Marble Mountain Wilderness Area (along sandy margin) 2026 Comment
  CAS-BOT-BC267047  Muhlenbergia filiformis A. A. Heller 1914-8-25 11704 Siskiyou Near Deetz station, near Black Butte 6 miles N of Sisson 1158 Comment
  CAS-BOT-BC267048  Muhlenbergia filiformis A. A. Heller 1914-8-25 11704 Siskiyou Near Deetz station, near Black Butte 6 miles N of Sisson 1158 Comment
  SEINET10599825  Muhlenbergia filiformis A. Arthur Heller 1914-8-25 Heller 11704 Siskiyou Plentiful in moist sandy soil near Deetz station 6 miles north of Sisson, completely covering the ground in places on the edges of thickets and burnt-over land. 1158 Comment
  CAS-BOT-BC262585  Muhlenbergia jonesii John R. Reeder; Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartle 1219 Comment
  SD109606  Muhlenbergia jonesii John R> Reeder, Charlotte G. Reeder 1972-7-24 5808 Siskiyou 7 miles E of McCloud to Jct., and ca. 2 miles N of Pilgrim Creek Nursery Road 1128 Comment
  CAS-BOT-BC275182  Muhlenbergia montana John Thomas Howell 1937-7-25 13442 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS94253  Myosotis discolor Vernon H. Oswald and Lowell Ahart 1998-6-11 9211 Siskiyou 23 air mi ne of Weed (Old State Highway 0.5 mi w of Bray, 10 air mi e of Grass Lake located on Highway 97); Old State Highway 1414 Comment
  RSA256592  Myosotis discolor J. P. Smith 1974-5-25 7478 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  RSA45344  Myosotis scorpioides Dorothy Parker 1946-7-14 s.n. Siskiyou Etna. 915 Comment
  HSC67585  Myriophyllum sibiricum J. P. Smith, Steve Selva 1970-8-8 4553 Siskiyou Juanita Lake Comment
  POM228958  Myriophyllum sibiricum Louis C. Wheeler 1934-10-21 3336 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  RSA166186  Nama lobbii Donald Myrick 1961-6-22 319 Siskiyou On Hwy 89 near McCloud. 915 Comment
  UC52519  Navarretia intertexta Geo. B. Grant Sep 1902 5073 Siskiyou Sisson Mount Shasta 914 Comment
  CHSC86453  Navarretia sinistra subsp. sinistra Jenny Marr 1993-7-1 70 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  POM65375  Nemophila parviflora var. austiniae H. P. Chandler 1901-06 1649 Siskiyou Marble Mountains. 2287 Comment
  HSC93079  Nemophila pedunculata Jennifer Whipple 1976-7-2 1278 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  SEINET516296  Nepeta cataria Vernon H. Oswald 1998-9-16 9636 Siskiyou Vista Point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  UCD126706  Nicotiana attenuata P. Quentin Tomich 1954-6-18 441 Siskiyou Indian Well, Lava Beds National Monument. 1463 Comment
  CAS-BOT-BC60593  Noccaea fendleri subsp. glauca R. C. Wenk 2005-7-19 338 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mount Eddy. 2407 Comment
  HSC64808  Noccaea fendleri subsp. glauca J. P. Smith 1976-5-21 8765 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  CAS-BOT-BC60570  Noccaea fendleri subsp. glauca Alice Eastwood 1923-5-23 11929 Siskiyou Cantara. Southern Pacific RailRoad. Comment
  CAS-BOT-BC60579  Noccaea fendleri subsp. glauca W. R. Dudley 1893-6-20 s.n. Siskiyou By Sacramento River crossing trail to Castle Lake Region of Mount Shasta. Comment
  JEPS82460  Nothocalais alpestris Gilbert Muth 1966-7-14 389 Siskiyou Marble Gap Trail flat above Marble Valley; Marble Mt. Wilderness Area 1828 Comment
  UC455517  Nothocalais alpestris I. J. Condit 1911-7-27 Siskiyou near Sisson; Castle Lake 1828 Comment
  NY790536  Nothochelone nemorosa A. M. Carter 1939-8-21 1468 Siskiyou Steep slope above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2164.1 Comment
  UC609364  Nothochelone nemorosa Eleanor Burks Hart 1938-8-21 891 Siskiyou Upper Wright Lake 2225 Comment
  RSA238825  Nothochelone nemorosa Frederick W. Oettinger 1967-7-30 225 Siskiyou Between Abbott's Lake and Charmine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD110225  Notholithocarpus densiflorus var. echinoides B. Crampton 1956-8-21 3850 Siskiyou Canyon of the Sacramento River just the junction of the North Fork with Middle and South Forks. 1066 Comment
  SEINET184866 Image available Nuphar lutea subsp. polysepala C. L. Hitchcock, J. S. Martin 1939-1 5273 Siskiyou Whiskey Lake, 0.5 mi above Camp Chicago, on Sanger Peak Trial 1463 Comment
  SEINET5345688  Oenothera deltoides var. piperi G. Butler Unknown 2000 Siskiyou No data. Comment
  CDA37696  Onopordum acanthium Robin Breckenridge 2005-7-19 s.n. Siskiyou South Weed Exit, trucking parking area. 0 Comment
  JEPS26035  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou just s of Sam's Neck; Fred Voelker ranch, Meiss Lake Basin, Dorris Comment
  SEINET13694638 Image available Onopordum tauricum T. C. Fuller 1960-7-26 s.n. Siskiyou Wedge Mesia Lake Basin, SW. of Doris Comment
  CAS-BOT-BC355590  Oreostemma alpigenum var. andersonii L. E. Smith 1913-9-1 550 Siskiyou Mt. Eddy Comment
  HSC77236  Orogenia fusiformis L. P. Janeway 1983-7-10 410 Siskiyou Poker Flat 1524 Comment
  UC1400367  Orogenia fusiformis Frederick W. Oettinger 1969-7-13 999 Siskiyou campsite at n.e. corner Upper English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1767 Comment
  HSC44587  Orthilia secunda Laura Witherspoon 1977-7-8 Siskiyou Periphery of Flint Valley 1341 Comment
  HSC61510  Orthilia secunda Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UCD117706  Orthilia secunda Dean William Taylor 1972-7-3 1589 Siskiyou At Cook and Green Pass. 1371 Comment
  CAS-BOT-BC458084  Orthilia secunda Doris K. Kildale 1928-7-2 5337 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  RSA0083191  Orthilia secunda M. S. Baker 131 Siskiyou Hillside S.W. of Medicine Lake. Comment
  RSA202369  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker 1963-8-19 3784 Siskiyou Upper Canyon Creek, ca 0.5 mile northeast of the Marble Mountain Guard Station, Marble Mountain Wilderness Area. 1921 Comment
  RSA238817  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1295 Siskiyou Sundew Bog, English Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC535779  Orthocarpus cuspidatus subsp. copelandii Elmer I. Applegate 1923-9-7 3955 Siskiyou Doggett Ridge Klamath Canyon (Klamath Canyon); Siskiyou Mts., , Doggett Ridge Comment
  UC1475691  Orthocarpus cuspidatus subsp. cuspidatus Overton, Butler 1979-8-8 13049 Siskiyou close to the town Klamath River (near Windy Camp); Condrey Mt. Quad. 2043 Comment
  UC454802  Orthocarpus imbricatus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  HSC4880  Osmorhiza berteroi J. O. Sawyer 1968-7-10 456 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  JEPS25627  Osmorhiza berteroi Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7264 Siskiyou Poker Flat 1536 Comment
  JEPS25816  Osmorhiza berteroi Geo. D. Butler 1908-8-7 462 Siskiyou Whiskey Camp Independence Creek 1676 Comment
  HSC96806  Osmorhiza berteroi S. Lyon 2006-6-3 4 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  RSA68878  Osmorhiza berteroi A. E. Culbertson 1943-7-1 78 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento. within 10 air miles of its headwaters to the west. Comment
  SDSU9528  Ozomelis trifida D. F. Howe 1972-7-5 4875 Siskiyou 0.6 mile south of Oregon State line on road to Happy Camp. 1707 Comment
  UCD103451  Ozomelis trifida Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1828 Comment
  UCD77870  Ozomelis trifida Robert E. Preston 2001-6-23 1590 a Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  UC585147  Packera cana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1957 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed); n slope Mt. Shasta 1249 Comment
  UC128741  Packera streptanthifolia W. T. Mooney June 1902 Siskiyou Yreka Comment
  CAS-BOT-BC317139  Packera streptanthifolia var. streptanthifolia Alice Eastwood; John Thomas Howell 1936-6-13 2750 Siskiyou 6 miles n. of Weed Comment
  UC618683  Paeonia brownii W. Bridge Cooke 1938-7-15 11261 Siskiyou Wagon Camp meaows Mount Shasta, Wagon Camp (upper end and around sides) Comment
  UC196954  Panicum capillare Geo. D. Butler 1910-8-13 1833 Siskiyou Quartz Valley Comment
  UCD89766  Panicum oligosanthes var. scribnerianum R. Tofsrud 1949-8-3 s.n. Siskiyou Klamath River, 10 miles E of Happy Camp. Comment
  HSC102663  Papaver rhoeas J. P. Smith 2009-6-1 12621 Siskiyou Gazelle to Callahan Road. Comment
  RSA211096  Parnassia cirrata var. intermedia William J. Ferlatte 1967-8-20 1060 Siskiyou A flora of the Trinity Alps: Caribou Basin, Sawtooth Ridge; Steep north facing slope. 2043 Comment
  HSC2391  Parnassia fimbriata W. J. Ferlatte 1966-8-19 435 Siskiyou Trinity Alps, Kidd Creek Trail. 1890 Comment
  CAS-BOT-BC175617  Parnassia palustris Doris K. Kildale 1929-8-24 9045 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  CHSC1648  Parnassia palustris N. Jaekel 1939-7-29 Siskiyou Mt. Eddy. 2286 Comment
  CAS-BOT-BC175618  Parnassia palustris Milo S. Baker 1926-8-8 254 -'26 Siskiyou Meadow bet. Red Mt. & Granite Peak 2194 Comment
  CHSC106095  Pastinaca sativa Lowell Ahart; John Dittes 2010-7-30 16937 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south of the Shasta River, about 300 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southwest of Grenada. 716 Comment
  JEPS46471  Pastinaca sativa Rimo Bacigalupi 1959-7-1 7210 Siskiyou along irrigation ditch in front of Mt. Shasta Union High School (outskirts of town); Mt. Shasta (town) 1097 Comment
  UC604460  Paxistima myrsinites G. L. Stebbins Jr. 1936-6-13 1981 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. and n.e. slope of spur of Rainbow Ridge above Sulloway Creek) Comment
  UCD123289  Pedicularis bracteosa var. flavida Alfred H. Murphy 1961-7-19 61 D Siskiyou Marble Mtns., Klamath National Forest, Sky High Valley, north end. 1584 Comment
  CAS-BOT-BC266645  Pedicularis bracteosa var. flavida Allen Barbour 1961-8-1 s.n. Siskiyou Upper Caribou Lake, Trinity Alps Comment
  HSC4827  Pedicularis contorta J. O. Sawyer 1968-7-23 586 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  POM43387  Pedicularis flavida Geo. D. Butler 1908-8-5 42 Siskiyou West fork of Wooley Creek. 2134 Comment
  JEPS3363  Pedicularis howellii W. L. Jepson 1907-7-10 2876 Siskiyou Kelsey Trail near Preston Peak (Onion Patch) 1828 Comment
  HSC91146  Pedicularis racemosa Jennifer Whipple 1976-7-23 1528 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  UC886715  Pedicularis racemosa Louis C. Wheeler 1934-8-2 3022 Siskiyou head Jaynes Canyon; Siskiyou Mountains 2072 Comment
  HSC29243  Pedicularis racemosa Frederick W. Oettinger 1968-8-3 384 Siskiyou Marble Mtn. Wilderness Area, E edge of base camp meadows, near English lake 2012 Comment
  HSC67793  Pedicularis semibarbata J. O. Sawyer, J. Cole 1980-7-20 3746 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UC371158  Pellaea breweri G. D. Butler 1908-8-8 240 Siskiyou Marble Valley 1676 Comment
  JEPS84174  Pellaea breweri L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6423 Siskiyou ca. 5 mi. n. town of Seiad Valley (cirque at head of Hell's Canyon, e. slope Kangaroo Mt.); Kangaroo Mt. 1828 Comment
  UCD137694  Pellaea breweri John M. Tucker 1963-8-18 3760 Siskiyou Marble Mountain Wilderness Area, Black Marble Mountain. 2133 Comment
  HSC61871  Penstemon anguineus Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC61872  Penstemon anguineus Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC69024  Penstemon anguineus Maralyn A. Renner 1980-7-28 2193 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  JEPS23801  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer and Don Liles 1959-7-9 7259 Siskiyou Poker Flat 1536 Comment
  JEPS7204  Penstemon anguineus W. L. Jepson 1937-7-30 18537 Siskiyou near Poker Flat summit; Siskiyou Mts., nr Poker Flat summit 1584 Comment
  JEPS7902  Penstemon anguineus Harley P. Chandler June, 1901 1698 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1524 Comment
  UC164290  Penstemon anguineus Geo. D. Butler 1908-8-4 432 Siskiyou head of Shackleford Creek Comment
  HSC29294  Penstemon anguineus Frederick W. Oettinger 1968-8-5 410 Siskiyou Marble Mtn. Wilderness Area, ridge between English Peak and Charmaine Lake 2024 Comment
  JEPS24965  Penstemon anguineus C. L. Hitchcock, J. S. Martin 1939-7-6 5212 Siskiyou summit of Takilma-Happy Camp Road Siskiyou Mts., summit Takilma-Happy Camp Road 1676 Comment
  RSA211396  Penstemon anguineus William J. Ferlatte 1966-8-5 325 Siskiyou North side of Caribou Mtn. Trinity Alps. 1982 Comment
  UC1238941  Penstemon anguineus Freed W. Hoffman 1940-7-11 3489 Siskiyou Cedar Camp road 23.9 mi n Klamath Highway (western Siskiyou County); North Coast Ranges, n of Klamath Highway Comment
  CHSC1855  Penstemon cinereus V. Holt 1932-6-21 Siskiyou Mt. Shasta flats. 1158 Comment
  CHSC69094  Penstemon cinicola Vernon Oswald; Lowell Ahart 1997-7-28 8786 Siskiyou Southwest of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  JEPS22930  Penstemon deustus Volney Rattan June 1879 Siskiyou below Orleans; Klamath, below Orleans Comment
  SJSU7926  Penstemon deustus J. W. Tilden 1958-6-26 1270 Siskiyou near Monument Headquarters, Lava Beds National Monument Comment
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Jun 9 2009
  CHSC75761  Penstemon deustus var. suffrutescens Vernon H. Oswald 1999-7-5 9815 Siskiyou Hwy. 3 0.5 mi southeast of Gazelle-Callahan Hwy. 990 Comment
  JEPS26524  Penstemon deustus var. suffrutescens Lauramay T. Dempster 1961-7-2 1862 Siskiyou s.w. Etna (ridge w. of Salmon Mt. Summit) 1828 Comment
  NY609840  Penstemon deustus var. suffrutescens A. A. Heller 1905-6-8 7998 Siskiyou Yreka Comment
  UC886968  Penstemon deustus var. suffrutescens Alice Eastwood 1912-7-19 1221 Siskiyou Mount Shasta Comment
  CHSC30326  Penstemon gracilentus M. S. Taylor 1980-8-19 3269 A Siskiyou On se side of 42N50, on Hemlock Ridge, ca. 7.5 mi s of Tennant. 1828 Comment
  HSC26563  Penstemon gracilentus J. P. Smith, J. O. Sawyer 1972-8-20 5755 Siskiyou Slope of Mt. Hoffman 2134 Comment
  NY600712  Penstemon gracilentus F. W. Pennell 1940-7-19 26194 Siskiyou Mount Shasta 1981.2 Comment
  NY600717  Penstemon gracilentus E. K. Balls 1952-10-12 18181 Siskiyou 7.2 miles southwest of boundary of Lava Beds National Monument on road from Indian Well Ranger Station to Tennant. 1066.8 Comment
  JEPS11461  Penstemon heterodoxus var. shastensis Geo. D. Butler 1909-6-22 934 Siskiyou Goosenest Mountain Comment
  UC618805  Penstemon heterodoxus var. shastensis W. Bridge Cooke 1938-7-15 11212 Siskiyou above Bear Springs (Mount Shasta); , above Bear Springs Comment
  CHSC99994  Penstemon laetus var. sagittatus L. P. Janeway 2008-7-25 9501 Siskiyou Klamath Ranges. Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass; 0.4 km southeast of Red Butte. 1736 Comment
  POM44867  Penstemon laetus var. sagittatus Geo. D. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  RSA15583  Penstemon laetus var. sagittatus Carl B. Wolf 1927-8-27 1145 Siskiyou Klamath River, 10 miles above mouth of Salmon Comment
  RSA668197  Penstemon laetus var. sagittatus Karl Vincent, Charlotte A. Labbe 1987-8-12 4510 Siskiyou Cascade range, Mt Shasta; old roadbed in lava flow area along east side of US 97 ca 5.1 mi NE of jct I-5 Business Loop in Weed. 1159 Comment
  HSC4837  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-6-25 301 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC700  Penstemon newberryi subsp. berryi William J. Ferlatte 1967-8-23 1100 Siskiyou Head of Kidd Creek 2134 Comment
  RSA238741  Penstemon newberryi subsp. berryi Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1219 Siskiyou North side of Crapo View Gap along English Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. Comment
  UC174047  Penstemon newberryi var. berryi Geo. D. Butler 1910-7-7 1654 Siskiyou Shackleford Creek Comment
  UC1585379  Penstemon newberryi var. newberryi R. Raiche 1989-9-7 90321 Siskiyou ca 6 km beyond McBride Spring (Mt. Shasta); , beyond McBride Spring 1385 Comment
  UC335593  Penstemon newberryi var. newberryi unknown Aug. 1878 Siskiyou Shasta Comment
  UC887197  Penstemon newberryi var. newberryi Alice Eastwood 1912-7-19 1230 Siskiyou Mount Shasta Comment
  UC1408760  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou w side of Red Hill near Hancock Lake ((The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area), Western Siskiyou County); Salmon Mountains, w side Red Hill nr Hancock Lake 2057 Comment
  UC1483407  Penstemon parvulus Maralyn A. Renner 1980-8-7 2425 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  UCR37829  Penstemon parvulus K. T. Stillman 1976-7-15 264 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  HSC61154  Penstemon procerus var. brachyanthus Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  NY638946  Penstemon procerus var. brachyanthus I. L. Wiggins 1955-7-27 13526 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 Comment
  HSC82000  Penstemon roezlii Thomas W. Nelson, Jane Nelson 1979-6-16 4853 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  NY651300  Penstemon rydbergii var. oreocharis R. C. F. Bacigalupi 1957-6-27 5977 Siskiyou Alongside causeway traversing Grass Lake [U S Highway 97], on route between Weed and Klamath Lake, 20 miles northeast of Weed. 1544.7 Comment
  NY660806  Penstemon speciosus N. H. Holmgren 1966-6-9 2677 Siskiyou US 97, Shasta Valley, 4 miles north of Weed. 1158.2 Comment
  UC165309  Perideridia gairdneri subsp. borealis Geo. D. Butler 1910-8-28 1856 Siskiyou Quartz Valley Comment
  HSC76863  Perideridia oregana K. T. Stillman 1976-9-9 480 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  HSC169  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-2 233 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC29421  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1968-8-12 493 Siskiyou Just N of Tobacco Lake along the trail from the W end of Hancock Lake 1890 Comment
  CAS-BOT-BC423351  Peritoma platycarpa A. A. Heller 1927-8-2 14440 Siskiyou North end of Shasta Valley, near the Klamath River Comment
  CAS-BOT-BC413491  Persicaria amphibia Carl B. Wolf 1927-8-26 1023 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CHSC30213  Phacelia cookei B. Williams 1980-6-10 Siskiyou On both sides of Military Pass Rd, ca. 4 mi s of Klamath Falls Hwy, ca. 4 mi n of Mt. Shasta. 1371 Comment
  HSC68417  Phacelia corymbosa Maralyn A. Renner 1980-6-9 839 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  JEPS57168  Phacelia corymbosa L. R. Heckard 1967-8-13 1708 Siskiyou edge of summit fell-field Mt. Eddy 2743 Comment
  SEINET5537080  Phacelia corymbosa G. D. Butler 1910-5-4 4280 Siskiyou Dry hill near Yreka Comment
  HSC130440  Phacelia greenei Thomas W. Nelson, Susan Erwin 2004-6-3 9221 Siskiyou Forest Service Rd. 40N08 at junction with FS Rd.44N44 1696 Comment
  UC1561279  Phacelia greenei Barbara Ertter with Thomas J. Delendick 1987-5-17 6969 Siskiyou on FR 40N08 1/2 mi e Rt. 3; Scott Mt. Summit 1706 Comment
  RSA47790  Phacelia greenei Roxana S. Ferris, Laura Lorraine 1948-6-12 11718 Siskiyou Schoolhouse Hill, Plowman s Valley [Noyes Valley], East Fork of Scott River Comment
  UC60950  Phacelia hastata subsp. compacta Geo. B. Grant September 1902 5126 Siskiyou Horse Camp Mount Shasta 2438 Comment
  SBBG20780  Phacelia linearis A. I. Richardson 1961-6-8 15 Siskiyou Big Springs Rd NE of jct with Hwy 97 Comment
  HSC61877  Phacelia mutabilis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC622  Phacelia mutabilis William J. Ferlatte 1966-7-7 206 Siskiyou Caribou Basin 1982 Comment
  HSC69306  Phacelia mutabilis Maralyn A. Renner 1980-7-24 1983 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  SBBG21895  Phacelia mutabilis D. Myrick 1964-7-25 956 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  UC1190246  Phacelia mutabilis Ira L. Wiggins 1955-7-29 13579 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake) 1999 Comment
  HSC19148  Phacelia mutabilis J. O. Sawyer 1969-7-1 966 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  UC1212564  Phacelia mutabilis Francia Chisaki and Helen Sharsmith 1959-8-20 4731 Siskiyou rock outcrop on Carrigher's Summit Inner North Coast Ranges (divide between Scott River and East Fork Salmon River) 1981 Comment
  RSA755540  Phacelia pringlei Barbara Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9371 Siskiyou ca 1 mile east of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles west of Mount Shasta City. 1982 Comment
  HSC29248  Phacelia procera Frederick W. Oettinger 1969-7-18 1056 Siskiyou Salmon Mtns., cliffs SW of Upper English Lake 1829 Comment
  RSA238842  Phacelia procera Frederick W. Oettinger 1969-7-18 1056 Siskiyou At base of rocky steep cliffs southwest of Upper English Lake. The High Lake Basins in the vicinity of English Peak, Marble Mountains Wilderness Area. 1829 Comment
  HSC13679  Phacelia ramosissima R. C. Wunner 1965-6-15 181 Siskiyou Lava Beds National Monument, E side of Caldwell Butte 1494 Comment
  JEPS107317  Phacelia ramosissima var. ramosissima Lowell Ahart, John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA0097436  Philadelphus lewisii Edwin Kline 1920-6-19 s.n. Siskiyou Siskiyou Mts. Comment
  RSA0097453  Philadelphus lewisii Walter Wisura, J. Romero 1991-10-17 4594 Siskiyou 4.9 mi W of Gazelle along rd to Callahan. Comment
  RSA161689  Phlox adsurgens Lee W. Lenz 1961-6-22 24361 Siskiyou 15 miles N of Happy Camp, road to O'Brien Comment
  UC1034037  Phlox austromontana unknown 1941-8-21 16239 Siskiyou between Cascade Gulch and Diller Canyon; Mt. Shasta 2590 Comment
  CHSC1303  Phlox caespitosa V. Holt 1932-6-26 Siskiyou Mt. Eddy. 2743 Comment
  HSC76983  Phlox diffusa K. T. Stillman 1976-6-25 63 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  RSA183673  Phlox diffusa subsp. diffusa Gilbert Muth 1965-8-6 184 Siskiyou Marble Mountains; backside of Black Mountain Comment
  UC880346  Phlox gracilis A. A. Heller 1916-6-20 12396 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CDA40285  Phlox hoodii subsp. canescens T. C. Fuller 1958-4-17 4826 Siskiyou 3 miles south of Gazelle. 0 Comment
  HSC32071  Phlox speciosa subsp. occidentalis Glenn McGourty 1974-5-25 71 Siskiyou On Rd. 8, 0.9 mi. from jct. with Hwy. 3 976 Comment
  HSC44615  Phlox speciosa subsp. occidentalis Laura Witherspoon 1977-5-20 Siskiyou Along rd. to Stewart Springs 1067 Comment
  POM202876  Phlox speciosa subsp. occidentalis J. T. Howell, Alice Eastwood 1934-4-20 1756 Siskiyou Near Yreka on Fort Jones Road Comment
  RSA469943  Phlox speciosa subsp. occidentalis B. C. Templeton 1960-6-21 8551 Siskiyou Near the summit of Scott Mt. Comment
  CAS-BOT-BC135025  Phoradendron bolleanum Alice Eastwood 1922-10-23 11559 Siskiyou Yreka Comment
  POM165888  Phoradendron densum E. B. Copeland 1903-7-7 3542 Siskiyou Hornbrook. Comment
  CAS-BOT-BC56503  Phyllodoce empetriformis J. W. Congdon 1900-8-13 s.n. Siskiyou Mt. Shasta Comment
  POM77480  Phyllodoce empetriformis Geo D. Butler 1910-7-8 1686 Siskiyou Shackleford Creek. 1829 Comment
  UCD19279  Phyllodoce empetriformis Julie Knorr 1980-7-15 66 Siskiyou 1 mi. up Houston Creek Trail above road, rocky outcrop above trail.. 1950 Comment
  UCD77916  Phyllodoce empetriformis Robert E. Preston 2001-6-23 1578 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC140602  Physocarpus capitatus Doris K. Kildale 1929-7-20 8551 Siskiyou Trail to Preston Peak along South Fork Indian Creek 2133 Comment
  CAS-BOT-BC78179  Picea breweriana L. E. Berriman 1941-1-1 s.n. Siskiyou North slopes of Russian Peak; west of Callahan 2133 Comment
  JEPS46723  Picea breweriana W. L. Jepson 1907-7-10 2869 Siskiyou 6 mi w Elbow Camp; Klamath Range Comment
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Nov 12 2011
  UCSB26297  Picea breweriana Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  JEPS80563  Pinus albicaulis Gilbert Muth 1965-8-6 177 Siskiyou backside of Black Mountain; Marble Mt. Wilderness Area, Black Mountain 2133 Comment
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Nov 1 2018
  CAS-BOT-BC73391  Pinus albicaulis Gilbert Muth 1966-8-6 177 Siskiyou Marble Mts. - ridges of the Marble rim. 2133 Comment
  UC70582  Pinus attenuata Mrs. Stirring May 1905 Siskiyou Etna Comment
  HSC1371  Pinus balfouriana R. J. Mastrogiuseppe 1967-6-30 Siskiyou Slope of Mt. Eddy, Bulk Collection # 88 2271 Comment
  HSC1411  Pinus balfouriana R. J. Mastrogiuseppe 1967-7-21 Siskiyou Ridge above Yellow Rose and Dorleska Mine, Bulk Collection # 92 2058 Comment
  POM120191  Pinus contorta var. murrayana Geo D. Butler 1910-5-10 1333 Siskiyou Swampy woods, Goosenest Mountain 1677 Comment
  CAS-BOT-BC78780  Pinus lambertiana J. H. Thomas 1954-5-13 4135 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville; Vicinity of Blind Horse Creek 1066 Comment
  HSC29670  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou Marble Mtn. Wilderness Area, near top of 'Rusty Ridge' where it grades into Frany Peak to the W of Horse Range Lake 2012 Comment
  CAS-BOT-BC78951  Pinus monticola Louis C. Wheeler 1934-8-26 3222 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  HSC29679  Pinus monticola Frederick W. Oettinger 1968-9-9 795 Siskiyou Marble Mtn. Wilderness Area, ridge top E of Toms Upper Pond 2119 Comment
  RSA624477  Pinus monticola L. C. Wheeler 1958-8-20 7409 Siskiyou Siskiyou Mountains. Red Butte, southeast side. 1737 Comment
  UC455180  Piperia colemanii I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1524 Comment
  RSA715802  Plagiobothrys bracteatus L. Ahart, John Dittes 2005-6-9 12035 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  POM72151  Plagiobothrys nothofulvus Geo. D. Butler 1909-4-4 585 Siskiyou Yreka Comment
  POM72152  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou Near Yreka. Comment
  HSC46221  Plagiobothrys shastensis Jennifer Whipple 1978-6-5 2331 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UC163847  Plagiobothrys tenellus Geo. D. Butler 1910-4-10 1163 Siskiyou hills near Yreka Comment
  UC450115  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka Comment
  UC450116  Plagiobothrys tenellus Geo. D. Butler 1910-4-10 1163 Siskiyou Yreka hills Comment
  JEPS6469  Plantago eriopoda Rimo Bacigalupi and G. T. Robbins 1954-8-13 4802 Siskiyou 1.9 mi s Gazelle; Shasta Valley 853 Comment
  UC642563  Plantago lanceolata unknown 1939-7-7 13585 Siskiyou Bear Springs Mount Shasta Comment
  HSC29120  Plantago lanceolata Frederick W. Oettinger 1969-8-15 1383 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake 1768 Comment
  HSC485  Platanthera dilatata var. leucostachys William J. Ferlatte 1966-6-23 141 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  HSC61293  Platanthera dilatata var. leucostachys Ruby Van Deventer 1960-7-14 Siskiyou Flint Valley Comment
  RSA233680  Platanthera leucostachys Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38962 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC21996  Platanthera sparsiflora J. O. Sawyer 1969-8-5 1784 Siskiyou Along Sugar Creek. 1921 Comment
  HSC484  Platanthera sparsiflora William J. Ferlatte 1967-7-25 723 Siskiyou Caribou Basin 1982 Comment
  HSC68412  Platanthera sparsiflora Maralyn A. Renner 1980-7-4 1409 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CHSC86624  Plectritis macrocera Jenny Marr 1993-7-1 7 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC68356  Plectritis macrocera J. P. Smith 1973-5-5 6502 Siskiyou Along Cook and Green Pass Rd. Comment
  UC164086  Plectritis macrocera Geo. D. Butler 1910-4-15 1176 Siskiyou Yreka Creek Comment
  UC164413  Plectritis macrocera Geo. D. Butler 1909-3-27 664 Siskiyou near Oro Fino Comment
  HSC44640  Pleuricospora fimbriolata Virginia Rumble 1978-7-3 Siskiyou Along N side of Kelly Lake. Bulk Collection 134 1067 Comment
  HSC48723  Pleuricospora fimbriolata J. Pageau, E. Toth 1979-6-5 496 Siskiyou 6.6 mi. N. of the G.O. road on FS 11N24. Line Timber Sale, unit 14. Bulk Collection 174 799 Comment
  HSC34104  Poa bolanderi J. O. Sawyer 1969-7-9 1222 Siskiyou Along trail to Sugar Lake. 1768 Comment
  CAS-BOT-BC254992  Poa bulbosa Dorothy Parker 1948-6-12 s.n. Siskiyou Parker Ranch, Plowman's Valley Comment
  CAS-BOT-BC254993  Poa bulbosa Morris Halperin 1930-7-11 309 Siskiyou Railroad Station, Montague Comment
  CHSC88101  Poa bulbosa Jenny Marr 1993-7-1 111 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET3123536 Image available Poa compressa P. M. Peterson 2006-1 Siskiyou 6.5 mi SW of Etna on Forest Service Rd1C-01 towards Etna Summit Comment
  CAS-BOT-BC256019  Poa pratensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53383 Siskiyou 2.5 miles south of Grenada, Shata Valley 762 Comment
  HSC39872  Poa pratensis J. O. Sawyer 1969-7-10 1208 Siskiyou N of Sugar Creek along FS Rd. 41N14 1372 Comment
  UCD91829  Poa pratensis A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3386 Siskiyou at Weed. Comment
  UCD91980  Poa pratensis H. S. Yates 1936-6-20 5800 Siskiyou Siskiyou Summit. 1371 Comment
  RSA129263  Poa pratensis H. S. Yates 1936-6-20 5806 Siskiyou Siskiyou Summit 1372 Comment
  HSC92156  Poa pringlei Jennifer Whipple 1976-7-7 1319 Siskiyou Summit region of Mtn. Eddy, Trinity and Siskiyou Counties. 2530 Comment
  POM229939  Poa secunda L. C. Wheeler 1935-5-4 3464 Siskiyou Siskiyou Mountains; Greenhorn Creek. 854 Comment
  UCD90325  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3399 Siskiyou 7 miles N of Weed. Comment
  UCD90326  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3402 Siskiyou Canyon N of Willow Creek, 5 miles N of Gazelle. Comment
  SD107317  Poa secunda Christopher Davidson 1975-6-5 2657 Siskiyou just above gate on special service rd branching S off rd from Gazell to Callahan, 9.3 mi W of Gazell. Klamath National Forest 1470 Comment
  HSC77024  Poa secunda subsp. juncifolia K. T. Stillman 1976-6-25 52 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  JEPS101878  Poa secunda subsp. juncifolia Dean W. Taylor 1987-6-24 9060 Siskiyou Tom Young Flat 1280 Comment
  CAS-BOT-BC243215  Poa secunda subsp. secunda John Thomas Howell 1939-8-2 14912 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC27167  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-5-7 5285 Siskiyou 2.3 mi. W of Lava Beds National Monument, on road to Mtn. Dome. 1220 Comment
  UC1265393  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou wnw of English Lake (vicinity of English Peak); Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1950 Comment
  UC796628  Poa secunda subsp. secunda Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11719 Siskiyou e fork of Scott River Schoolhouse Hill; Plowman's Valley [Noyes Valley] Comment
  CAS-BOT-BC243234  Poa secunda subsp. secunda W. R. Dudley 1901-8-23 s.n. Siskiyou Foxtail Ridge, Salmon Mountains, Siskiyou Mountains Comment
  JEPS40859  Poa wheeleri Paul C. Hutchison 1961-8-2 937 -A Siskiyou between top of ski lift and Panther Meadow; Mt Shasta 2621 Comment
  CHSC1308  Polemonium carneum V. Holt 1941-6-1 Siskiyou Siskiyou mountains. Comment
  JEPS111026  Polemonium chartaceum Sue Pappalardo 1997-8-9 973 Siskiyou Mt. Shasta Ranger District; Mt. Eddy summit. Growing approx. 5 meters north of old ruins of lookout buildings at summit. Slope<10% 2740 Comment
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Jul 22 2018
  CAS-BOT-BC231356  Polemonium pulcherrimum Wm. Bridge Cooke 1940-7-26 15381 Siskiyou Mount Shasta. On the west side of Shastina above Merriam's timberline Comment
  RSA17731  Polyctenium fremontii Elmer I. Applegate 1935-6-2 9286 Siskiyou Frenner s Ranch on old road to Lava Beds, near north boundary of the National Monument Comment
  UCD115149  Polyctenium fremontii Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, southwest of Hebron summit. 1524 Comment
  SEINET5845278  Polygala cornuta D. Parker, W. Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, Scott Mountain 1829 Comment
  RSA96064  Polygala cornuta var. cornuta Percy C. Everett, E. K. Balls 1954-10-10 20260 Siskiyou Highway 89, 6.8 miles west of McCloud on road to the town of Mt. Shasta 1174 Comment
  RSA11904  Polygonum amphibium var. stipulaceum Elmer I. Applegate 1923-8-19 3892 Siskiyou Medicine Lake Comment
  UC1045258  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1940-8-2 15403 Siskiyou Bear Springs Meadow Mount Shasta (along road) Comment
  POM104466  Polygonum davisiae Geo. D. Butler 1910-7-8 1677 Siskiyou Shackleford Creek. 1829 Comment
  CAS-BOT-BC414584  Polygonum douglasii Wm. Bridge Cooke 1941-9-5 16266 Siskiyou At MacBride Springs, Mt. Shasta Comment
  UC1107819  Polygonum douglasii L. E. Detling 1950-6-11 6639 Siskiyou Siskiyou Pass 1127 Comment
  RSA598060  Polygonum douglasii subsp. spergulariiforme Louis C. Wheeler 1963-9-2 8331 Siskiyou Siskiyou Mountains. Near Bell Echo Camp, near Young's Valley, Clear Creek. 1402 Comment
  RSA237772  Polygonum douglasii var. latifolium Frederick W. Oettinger 1968-8-11 470 Siskiyou SW side of creek bed E of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  POM312533  Polygonum kelloggii H. L. Mason 1948-7-17 13599 Siskiyou Eastern Grass Lake. Comment
  UC375150  Polygonum lapathifolium Geo. D. Butler 1908-7-16 196 Siskiyou along creek near Yreka Comment
  JEPS74500  Polygonum minimum W. J. Ferlatte 1966-8-18 417 Siskiyou between campground Carter's; Trinity Alps, South Fork of the Salmon River 1524 Comment
  CHSC86639  Polygonum polygaloides subsp. confertiflorum Jenny Marr 1993-7-1 22 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC92959  Polygonum polygaloides subsp. kelloggii Jennifer Whipple 1978-10-6 2421 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1408817  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1216 Siskiyou English Lake Salmon Mountains, Marble Mountain Wilderness Area (base camp, w Siskiyou Co.) 1828 Comment
  HSC28660  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou Marble Mtn. Wilderness Area, slope between English Peak and Diamond Lake 2195 Comment
  CAS-BOT-BC421078  Polygonum spergulariiforme Alice Eastwood 1912-8-30 1992 Siskiyou Mount Eddy Comment
  CAS-BOT-BC421077  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Klamath National Forest. Lumgrey Cr. 1005 Comment
  SEINET3404066 Image available Polygonum spergulariiforme Rimo Bacigalupi, Lincoln Constance 1959-6-17 7160 Siskiyou 4 mi NW of Weed, along US Hwy 99 Comment
  UCR129386  Polystichum californicum L. C. Wheeler 1934-8-16 3172 Siskiyou Siskiyou Mtns., 2 miles east of White Mtn., Mt. Diablo Meridian 1921 Comment
  RSA239011  Polystichum imbricans Frederick W. Oettinger 1966-7-25 37 Siskiyou Along Timber Gulch stream bank, Klamath Natinal Forest, Colville. Comment
  UC1495294  Polystichum imbricans subsp. imbricans Robert T. Clausen and Harold Trapido 1940-7-28 4984 Siskiyou ca. 12 mi s Hamburg (1 mi up Canyon Creek canyon from Scott River, e side of corral); Klamath Mts., Klamath River Basin 762 Comment
  HSC79134  Polystichum kruckebergii C. J. Thomas 1983-10-1 83 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  UC812042  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou e side Mt. Eddy 2286 Comment
  SBBG19505  Polystichum lonchitis L. L. Kiefer 1963-8-9 732 Siskiyou Castle Lake, rocks at S end of lake 2133 Comment
  UC1313058  Polystichum lonchitis J. M. Tucker 1963-8-19 3772 Siskiyou headwaters of Canyon Creek; Marble Mt. Wilderness Area 1950 Comment
  UCD136528  Polystichum lonchitis John M. Tucker 1963-8-19 3772 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1950 Comment
  POM210928  Polystichum scopulinum L. C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mtns. (Mt. Diablo Mer.) 1982 Comment
  RSA237998  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou N of Pine Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC618792  Populus tremuloides W. Bridge Cooke 1938-8-25 11586 Siskiyou e of Widow Spring Mount Shasta (along Pilgrim Creek); , , e of Widow Spring Comment
  RSA184757  Populus trichocarpa Gilbert Muth 1966-7-19 421 Siskiyou Marble Gap Trail. Along first bluff. Marble Mountains. 1829 Comment
  UC1045306  Populus trichocarpa W. Bridge Cooke 1940-8-22 15455 Siskiyou lower valley of Mud Creek Mount Shasta; , lower valley of Mud Creek Comment
  CAS-BOT-BC445249  Portulaca oleracea Doris K. Kildale 1928-7-25 5884 Siskiyou Klamath River at Mack's Creek near Humbug. Comment
  CAS-BOT-BC453682  Potamogeton gramineus Calvin McMillan; Malcom A. Nobs 1949-6-17 801 Siskiyou Grass Lake, Highway 97 Comment
  CHSC71325  Potentilla anserina subsp. anserina Vernon H. Oswald; Lowell Ahart 1998-6-11 9212 Siskiyou Old State Hwy. 0.5 mi west of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. 23 air mi northeast of Weed. Along a roadside ditch on the edge of the meadow. 1414 Comment
  HSC62287  Potentilla breweri Al Hobart 1928-6-18 Siskiyou Youngs Valley Comment
  HSC99681  Potentilla breweri G. L. Clifton 1979-7-1 6187 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  JEPS41326  Potentilla breweri Ruby Van Deventer 1938-7-31 72 Siskiyou s Little Greyback Mountains (Poker Flat); s of Little Greyback Mountains, Poker Flat 1524 Comment
  HSC78201  Potentilla drummondii L. P. Janeway 1983-7-10 402 Siskiyou Poker Flat 1524 Comment
  RSA237623  Potentilla drummondii Frederick W. Oettinger 1968-9-7 769 Siskiyou Ridge SE of Tobacco Lake Meadow. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS60718  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Mountain Valley Camp 1676 Comment
  SD125938  Potentilla glandulosa Steve Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi. NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta 1768 Comment
  RSA184695  Potentilla glandulosa subsp. ashlandica Gilbert Muth 1966-7-17 405 Siskiyou Trail to lookout, Marble Mountains 1829 Comment
  HSC128  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-18 423 Siskiyou Willow Creek Trail. 1707 Comment
  JEPS80606  Potentilla gracilis var. fastigiata Gilbert Muth 1966-7-31 470 Siskiyou north side of Black Mountain Marble Mt. Wilderness Area, n side of Black Mountain 1981 Comment
  CAS-BOT-BC540557  Potentilla gracilis var. fastigiata A. A. Heller 1919-6-20 13258 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC540558  Potentilla gracilis var. fastigiata A. A. Heller 1919-6-20 13258 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CDA26087  Potentilla millefolia Don Shaw 1977-5-3 Siskiyou Novy Ranch, Grenada. 0 Comment
  CAS-BOT-BC143314  Potentilla newberryi David D. Keck 1940-6-13 5173 Siskiyou Grass Lake 1540 Comment
  HSC4472  Primula suffrutescens William J. Ferlatte 1966-8-17 399 Siskiyou Caribou Basin, Sawtooth Ridge; steep N-facing slope 2195 Comment
  HSC27972  Prosartes hookeri Carl W. Mize 1972-9-23 111 Siskiyou Along Steinacher Creek Rd. 762 Comment
  HSC44891  Prosartes hookeri Maralyn O'Meara 1974-5-25 407 Siskiyou Along road to Duck Lakes trail 1402 Comment
  CAS-BOT-BC516383  Prosartes hookeri Geo. D. Butler 1909-5-30 787 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC517366  Prosartes smithii Louis C. Wheeler 1934-8-10 3104 Siskiyou Klamath National Forest, Jaynes Canyon 1127 Comment
  JEPS124565 Image available Prunella vulgaris subsp. lanceolata Rechen 1964-7-8 88 Siskiyou 5.5 miles north of Dead Horse Summit. Comment
  CAS-BOT-BC158216  Prunus emarginata Doris K. Kildale 1929-7-20 8676 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  HSC18809  Prunus emarginata R. C. Wunner 1965-8-17 440 Siskiyou California Lava Beds National Monument; near N Prefab, Indian Well 1433 Comment
  UC466756  Prunus emarginata Annie M. Alexander and Louise Kellogg 1911-6-15 144 Siskiyou Jackson Lake 1798 Comment
  UC136941 Image available Prunus subcordata J. G. Lemmon and Mrs. Lemmon 1874-1 Siskiyou near Sisson; U. S. Pacific Slope; near Sisson Comment
  CAS-BOT-BC151244  Prunus virginiana var. demissa Elmer I. Applegate 1935-6-5 9305 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  UC52251  Prunus virginiana var. demissa W. T. Mooney May 1903 Siskiyou Yreka Comment
  SEINET7412306  Prunus virginiana var. demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  JEPS24617  Pseudognaphalium thermale Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6770 Siskiyou in the 1.5 mi stretch between Shasta Retreat (n outskirts of Dunsmiur) ro Mossbrae Falls and Shasta Springs; Sacramento River Canyon, S. P.(Shasta Route) railwayi 731 Comment
  RSA129185  Pseudoroegneria spicata subsp. spicata H. S. Yates 1936-6-21 5810 Siskiyou 2 miles N.W. of Paradise Cragg. Yreka 732 Comment
  UC593550  Pseudoroegneria spicata subsp. spicata E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1908 Siskiyou about 7 mi sw of Yreka (s of Highway from Yreka to Fort Jones, Forest House Mountain); Forest House Mountain 1371 Comment
  UC1185304  Pseudostellaria jamesiana H. E. Brown 1897-6-10 Siskiyou near Sisson; near Sisson 1083 Comment
  CAS-BOT-BC94479  Pseudostellaria jamesiana R. C. Wenk 2005-7-19 348 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  RSA639072  Pseudotsuga menziesii L. C. Wheeler 1958-8-18 7397 Siskiyou West Fork Seiad Creek. Comment
  HSC68454  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-7-4 1439 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  HSC69140  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-8-8 2477 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  HSC69268  Pseudotsuga menziesii var. menziesii John Palmer 1980-7-23 576 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  UC54247  Pseudotsuga menziesii var. menziesii H. M. Hall and E. B. Babcock 1903-6-1 4077 Siskiyou near, n of Sisson Upton; Sierra Nevada, Mount Shasta 1219 Comment
  RSA449671  Purshia tridentata var. tridentata E. E. Stanford 1930-6-15 1600 Siskiyou Near Shasta City. Comment
  UC1128525  Purshia tridentata var. tridentata R. D. Roseberry 1936-5-15 Siskiyou 0.5 mi e Coldwell Butte; Modoc Lava Beds National Monument, Dorris Quad. 1371 Comment
  UC1198696  Purshia tridentata var. tridentata Joseph P. Tracy 1949-9-16 18563 Siskiyou 1 mi e Etna; Scott Valley 883 Comment
  UC375386  Purshia tridentata var. tridentata Geo. D. Butler 1908-7-4 285 Siskiyou near Shasta River (Yreka Creek); Yreka Creek Comment
  UCSB12915  Purshia tridentata var. tridentata Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  RSA0080537  Pyrola crypta Frederick W. Oettinger 1967-8-26 330 Siskiyou Along the trail heading downhill to Diamond Lake from the Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA0080483  Pyrola dentata J. B. Feudge 1927-7-22 1727 Siskiyou On trail from Sisson to Mt. Eddy. 1128 Comment
  SEINET11977316  Pyrola dentata M. Ownbey, Meyer, F. G. 1940-1 2225 Siskiyou near summit of Siskiyou Mountains, 17 mi N of Happy Camp Comment
  SEINET8218484  Pyrola dentata Fred W. Hoffman 1948-7-8 2601 Siskiyou north of West Branch Camp; Waldo-Happy Camp Road. Comment
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May 8 2018
  CHSC71579  Pyrola picta Vernon H. Oswald; Lowell Ahart 1998-8-3 9432 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  HSC19194  Pyrola picta J. O. Sawyer 1968-9-28 747 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  UC922448  Pyrola picta Annie M. Alexander and Louise Kellogg 1949-7-28 5878 Siskiyou Marble Mountains, Sky High Valley Sky High Valley; Marble Mountains, Sky High Valley 1767 Comment
  CAS-BOT-BC466131  Pyrola picta Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake Comment
  CAS-BOT-BC466140  Pyrola picta L. E. Smith 1913-9-14 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC466308  Pyrola picta C. L. Hitchcock; J. S. Martin 1939-7-8 5301 Siskiyou 15 miles No of Happy Camp on Happy Camp--Takilma Hwy 914 Comment
  CAS-BOT-BC62715  Quercus chrysolepis C. Hart Merriam 1919-10-17 s.n. Siskiyou Sacramento Canyon, near Sisson Comment
  UC70408  Quercus chrysolepis Milo S. Baker Jul 1899 Siskiyou near Dunsmuir; Sacramento River Comment
  CAS-BOT-BC94650  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  CAS-BOT-BC94659  Quercus garryana Carl B. Wolf 1927-8-27 1109 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC62756  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12385 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  HSC19220  Quercus garryana var. breweri J. O. Sawyer 1968-7-23 600 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  UC5485  Quercus garryana var. breweri W. H. Brewer 1862-8-22 1336 Siskiyou 6 mi w Mt. Shasta; ; NW of Middletown, 6 mi. W of Mt. Shasta Comment
  CDA16169  Quercus garryana var. garryana G. F. Hrusa, T. D. Wilfred 1999-5-31 15068 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka area 640 Comment
  UC63979  Quercus kelloggii Kate Stirring 1904-9-25 Siskiyou Etna Mills Comment
  UC705918  Quercus kelloggii Marion Ownbey, Fred G. Meyer 1940-7-7 2214 Siskiyou Cayenne Ridge Marble Mountain Comment
  LA205301  Quercus kelloggii W. B. C.; 1939-7-28 13778 Siskiyou along the MacBride Springs Rd 1371 Comment
  CAS-BOT-BC104349  Quercus sadleriana John Thomas Howell 1939-8-2 14881 Siskiyou Sprit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC104364  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Junction Red Rock valley trail and Canyon Creek trail, Marble Mountain Wilderness Area 1341 Comment
  CDA22027  Quercus sadleriana D. G. Kelch 2007-7-25 7 .499 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  HSC45049  Quercus sadleriana J. O. Sawyer 1978-6-19 3255 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  UCD47232  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 A Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte-Siskiyou County line, California. 1371 Comment
  UCD47237  Quercus sadleriana Gilbert Jerome Muth; J. M. Tucker 1972-8-8 1796 Siskiyou Near Elk Peak, Siskiyou County, California. Scott Bar Quad. 110 mm from bottom margin, 0 mm from left margin. SLID No. 6935, Heb Acc. No. 00011251. 1828 Comment
  UCD47244  Quercus sadleriana John M. Tucker 1972-8-8 4246 Siskiyou California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R. 11W., T. 42N); Comment
  CAS-BOT-BC104629  Quercus vacciniifolia John Thomas Howell 1939-8-2 14880 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC104636  Quercus vacciniifolia David D. Keck 1938-8-8 4864 Siskiyou Scott Mts., ridge between Mill and Mule creeks, 3 mi SE of Scott Mountain Lodge 1400 Comment
  CDA22067  Quercus vacciniifolia J. M. Tucker 1948-8-3 1776 Siskiyou 6.7 miles (by road) below the summit of Happy Camp - Waldo Road;. 0 Comment
  POM210972  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou W Fork Beaver Creek, Siskiyou Mts. Mt Diablo Mer 1677 Comment
  UCD47398  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Canyon of the Sacramento River just above the North Fork junction with the Middle and South Forks, Siskiyou County. 1066 Comment
  UCD47446  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  CAS-BOT-BC328128  Raillardella pringlei W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of Mount Eddy Comment
  UC1658345  Raillardella pringlei J. Kierstead 1990-7-18 90 -102 Siskiyou Gumboot Creek Shasta-Trinity National Forests, Mt. Eddy, Mt. Shasta Ranger (s side of mt., 100 yd s of Forest Service Rd 40N26) 1676 Comment
  RSA256598  Ranunculus alismifolius var. alismellus J. P. Smith 1974-5-26 7533 Siskiyou Chandler Glade on Forest Service Road 47N03. 1768 Comment
  CDA3500  Ranunculus arvensis Don Shaw 1978-6-2 Siskiyou Sam s Neck, southwest of Dorris. 0 Comment
  JEPS55078  Ranunculus glaberrimus Geo. D. Butler 1910-3-7 1117 Siskiyou Shasta River Canyon Comment
  UC9495  Ranunculus gormanii Harley P. Chandler June, 1901 1552 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 1828 Comment
  RSA238276  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1905 Comment
  UC165940  Ranunculus occidentalis Geo. D. Butler 1909-4-17 647 Siskiyou near Yreka Comment
  HSC58897  Ranunculus populago Marvin Butler 1971-7-6 37 Siskiyou Near El Capitan, close to Cave Junction 1524 Comment
  UC618726  Rhamnus californica unknown 1938-8-5 11436 Siskiyou MacBride Springs Road Mount Shasta Comment
  RSA13286  Rhamnus californica subsp. occidentalis Doris K. Kildale 1929-7-20 8571 Siskiyou Trail up S Fork of Indian Creek. 457 Comment
  RSA12076  Rhamnus purshiana Louis C. Wheeler 1934-11-7 3360 Siskiyou Siskiyou Mountains: Gottville, Klamath River. 567 Comment
  RSA238023  Rhamnus purshiana Frederick W. Oettinger 1968-8-23 617 Siskiyou Mid way down the steep spillway from Diamond Lake to upper English Lake and along the spillway stream. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1921 Comment
  HSC22483  Rhodiola integrifolia subsp. integrifolia J. O. Sawyer 1969-7-24 1485 Siskiyou SW of Sugar Lake 1890 Comment
  HSC4876  Rhododendron columbianum J. O. Sawyer 1968-7-23 585 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  SEINET4077328  Rhododendron maximum Unknown 1891-1 sn Siskiyou Hamburg. Comment
  CAS-BOT-BC199725  Rhododendron occidentale L. B. Kildale 1930-6-1 9730 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  CDA32771  Rhododendron occidentale var. paludosum G. F. Hrusa 1992-5-3 9555 Siskiyou Siskiyou Mountains; South side of Scott Mtn. just below summit area. 1627 Comment
  HSC68581  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-6-23 976 Siskiyou W Fork Seiad Creek 878 Comment
  CAS-BOT-BC92539  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  CAS-BOT-BC92874  Ribes bracteosum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek, Happy Camp. 457 Comment
  CAS-BOT-BC108776  Ribes cereum Elmer I. Applegate 1935-8-4 10026 Siskiyou Upper Ice Cave, Lava Beds National Monument. Comment
  CHSC9494  Ribes cereum J. F. Goodwin 1971-7-3 132 Siskiyou North side of road on dry rocky bank, 3.0 mi. south of Mt. Shasta Ski Bowl area. 2087 Comment
  LA205410  Ribes cereum Louis C. Wheeler; 1934-6-29 2825 Siskiyou Siskiyou Mountains, Soda Creek, Sterling Mountain 1280 Comment
  RSA0023967  Ribes indecorum Marcus E. Jones 1931-7-17 s.n. Siskiyou Shasta City (Session s). Comment
  HSC62282  Ribes lacustre Al Hobart 1968-6-20 Siskiyou Youngs Valley Comment
  RSA0021110  Ribes lacustre Roxana S. Ferris, Laura Lorraine 1948-6-12 11803 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan. 1494 Comment
  SEINET12220211  Ribes lacustre H. P. Chandler 1901-1 1561 Siskiyou near Marble Mountain, North Coast Ranges 1829 Comment
  HSC19376  Ribes lobbii J. O. Sawyer 1968-9-11 696 Siskiyou Slopes above Twin Valley. 1463 Comment
  RSA0021147  Ribes lobbii I. L. Wiggins 1955-7-22 13460 Siskiyou Ridge W of China Creek, S side of S Fork of Salmon River. 960 Comment
  HSC61941  Ribes marshallii Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  UC1222376  Ribes marshallii Joseph P. Tracy 1951-6-16 19501 Siskiyou summit of the Siskiyous at crossing of Takilma-Happy Camp Road Siskiyous Comment
  HSC32249  Ribes nevadense J. O. Sawyer 1970-6-17 2208 Siskiyou On trail to South Sugar Lake 1829 Comment
  UC455587  Ribes nevadense I. J. Condit 1911-7-17 Siskiyou Trail R.R. Station to Hotel Shasta Springs Comment
  RSA0023155  Ribes nevadense Chadwick, Mrs. Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC199983  Ribes roezlii var. cruentum Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC200009  Ribes roezlii var. cruentum Geo. D. Butler 1910-6-7 1535 Siskiyou Oro Fino Comment
  UCD33536  Ribes roezlii var. cruentum Beecher Crampton 1969-6-18 8464 Siskiyou Siskiyou County, Quartz Hill, 5 miles west of Fort Jones (direct line), 1.5 miles N.N.W. of Oro Fino. 1219 Comment
  JEPS49247  Ribes sanguineum Geo. D. Butler 1908-8-10 262 Siskiyou Shackelford Creek 1524 Comment
  UC921841  Ribes sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou North Hungry Creek Siskiyou Mts. 1310 Comment
  CAS-BOT-BC144517  Ribes sanguineum var. sanguineum Alice Eastwood; John Thomas Howell 1937-6-26 5042 Siskiyou Salmon Mts. above Taylor Creek Comment
  CAS-BOT-BC144518  Ribes sanguineum var. sanguineum Philip A. Munz 1952-7-2 17893 Siskiyou rd. to Baldy Mt., n.w. of Happy Camp, Siskiyou Mts. 1524 Comment
  HSC61942  Ribes sanguineum var. sanguineum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  CAS-BOT-BC168803  Ribes viscosissimum W. R. Dudley 1899-8-22 s.n. Siskiyou On Craggy Peak near spring. Comment
  HSC61947  Ribes viscosissimum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS77659  Ribes viscosissimum William J. Ferlatte 1974-7-15 1540 Siskiyou Yellow Rose Mine Trail Trinity Alps 1645 Comment
  CAS-BOT-BC74662  Rorippa curvisiliqua Louis C. Wheeler 1934-7-3 2872 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  CDA25118  Rorippa curvisiliqua T. C. Fuller 1962-8-3 9512 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  RSA120877  Rorippa curvisiliqua G. D. Barbe 1955-8-4 349 Siskiyou 0.5 mile N of Big Flat at the head of Coffee Creek, at Trinity - Siskiyou Co line. The Klamath Mtns. 1524 Comment
  JEPS47279  Rosa Ruby Van Deventer 1938-7-31 270 Siskiyou Twin Valley 1219 Comment
  UC1871394  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  CAS-BOT-BC147460  Rosa californica William A. Dayton 1913-9-14 584 1/2 Siskiyou Shasta National Forest, E. Fk. of Scott River Range along trail up Rail Creek 1463 Comment
  SEINET7665341  Rosa californica G. D. Butler 1910-5-16 1352 Siskiyou Yreka Comment
  HSC29496  Rosa gymnocarpa Frederick W. Oettinger 1969-7-11 970 Siskiyou Marble Mtn. Wilderness Area, between English Lake and Diamond Lake 1951 Comment
  POM140217  Rosa gymnocarpa E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta Comment
  UC618738  Rosa gymnocarpa W. B. Cooke 1938-6-24 11094 Siskiyou MacBride Spring Road Mount Shasta 1524 Comment
  CDA38670  Rosa multiflora Larry Livesay 2013-4-23 PDR# 470 P06027592 Siskiyou East of Montague; on the west side of Lichens Rd., 0.25 miles north of Ball Mountain Road. Comment
  CAS-BOT-BC146808  Rosa nutkana A. A. Heller 1905-6-5 s.n. Siskiyou Between Shasta Retreat and Shasta Springs Comment
  RSA300565  Rosa pisocarpa Walter Wisura, John Dourley 1982-10-16 3873 Siskiyou Shores of Castle Lake, SW of town of Mt. Shasta. 1646 Comment
  CAS-BOT-BC149741  Rosa woodsii subsp. ultramontana Lewis S. Rose 1945-6-18 45136 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC36758  Rubus laciniatus Brent Whitely 1975-7-11 156 Siskiyou 229 Comment
  HSC99744  Rubus laciniatus C. B. Wolf 1927-8-27 1115 Siskiyou Klamath River at Happy Camp. Comment
  HSC62281  Rubus lasiococcus Al Hobart 1968-6-20 Siskiyou Youngs Valley 1768 Comment
  RSA126292  Rubus leucodermis I. L. Wiggins 1955-7-22 13456 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  CAS-BOT-BC147319  Rubus parviflorus G. P. Rixford s.n. Siskiyou Hilt Comment
  HSC99687  Rubus parviflorus G. L. Clifton, Terry Griswold 1979-6-28 6129 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  JEPS16949  Rudbeckia klamathensis Peter H. Raven 1956-9-5 10466 Siskiyou North Fork of the Sacramento River 1584 Comment
  POM57582  Rudbeckia klamathensis E. B. Copeland 1903-9-8 3862 Siskiyou Mt. Eddy 1524 Comment
  SBBG30520  Rumex acetosella D. Myrick 1968-6-24 2001 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  UC1409248  Rumex acetosella Frederick W. Oettinger 1968-8-10 466 Siskiyou e side Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  HSC33984  Rumex acetosella J. P. Smith 1974-5-25 7473 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS124694 Image available Rumex acetosella P. L. Billings 1965-7-19 125 Siskiyou 7 mi North of McCloud. Meadow beside roadway on HWY 89. Comment
  SJSU15092  Rumex fueginus C. W. Sharsmith 1992-9-17 9244 Siskiyou Stateline Rd, Klamath Wildlife Refuge, Lower Klamath L 1225 Comment
  CAS-BOT-BC433695  Rumex obtusifolius H. A. Thomas; J. H. Thomas 1954-7-26 4547 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Mt. View Cabin and S. Fork of Salmon River. 944 Comment
  CHSC88096  Rumex salicifolius Jenny Marr 1993-7-1 106 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD92349  Rytidosperma penicillatum Howard B. Shontz 1940-8-15 s.n. Siskiyou Yreka. Comment
  RSA120933  Sagina decumbens subsp. occidentalis G. D. Barbe 1957-7-14 393 Siskiyou Salmon-Trinity Alps Wilderness Area, w/s of private road S of Big Flat Public Camp, Klamath National Forest. About 1 mile S of boundary gate. Comment
  RSA237871  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-8-18 1428 Siskiyou Northeast of Horse Range Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS38484  Salix W. L. Jepson 1907-7-22 2952 Siskiyou Burhart's Ranch Hamburg; Klamath River, , Burhart's Ranch Comment
  UC482249  Salix Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou ca. 16 km. n.w. of Shasta City; Mt. Eddy 1500 Comment
  POM107341  Salix boothii Geo. D. Butler 1908-8-7 152 Siskiyou Lake at head of W fork of Wooley Creek. 1829 Comment
  CAS-BOT-BC103541  Salix commutata Gilbert Muth 1965-8-5 s.n. Siskiyou Along trail behind Blk. Mt. Comment
  HSC45040  Salix delnortensis J. O. Sawyer, E. Cope 1977-6-19 2953 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  RSA597970  Salix delnortensis Louis C. Wheeler 1963-8-30 8310 Siskiyou Siskiyou Mountains. Second streamlet on east side of Clear Creek below Trout Camp; seen also at first stream on east side. 945 Comment
  RSA201499  Salix eastwoodiae J. T. Howell 1939-8-5 15078 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  RSA201502  Salix eastwoodiae J. T. Howell 1939-8-7 15131 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  RSA238013  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 690 Siskiyou Near Horse's Hole. Horse Range Lake Basin. The Salmon Mtns. High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA15588  Salix exigua Carl B. Wolf 1927-8-27 1133 Siskiyou On the Klamath River. 7 miles below Happy Camp. Comment
  CHSC35572  Salix exigua var. hindsiana J. P. Smith; J. O. Sawyer 1978-7-3 9999 Siskiyou Klammath National Forest. Williams Point along the Klammath River, south of State Route 96. Comment
  CAS-BOT-BC107790  Salix hindsiana W. R. Dudley 1905-8-3 s.n. Siskiyou By upper Sacramento near Sissons below wood and Sheldon's Mill Comment
  CAS-BOT-BC125467  Salix lasiandra var. lasiandra W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  CAS-BOT-BC125468  Salix lasiandra var. lasiandra W. B. Cooke; V. G. Cooke 1977-9-22 54823 Siskiyou Near Deter Camp, Mt. Shasta Comment
  SD37402  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 429 Siskiyou North base of Mount Eddy, about 10 km northwest of Shasta City, in meadow near road and creek east of Metcalf ranch house 1200 Comment
  POM107146  Salix lasiolepis Geo. D. Butler 1908-9-20 1104 Siskiyou Yreka Creek. Comment
  POM220466  Salix lasiolepis var. bigelovii H. P. Bracelin 1931-6-22 476 Siskiyou Pit River at Gibson flag station. 125 km N of Red Bluff. 450 Comment
  CAS-BOT-BC124542  Salix lasiolepis var. lasiolepis Carl B. Wolf 1927-8-27 1118 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC124543  Salix lasiolepis var. lasiolepis Isabelle C. Kimber 1934-6-9 17 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  CAS-BOT-BC128304  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7846 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  UC482240  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou ca. 16 km. n.w. Shasta City (n.e. side Mt. Eddy, above Metcalf ranch house); Mt. Eddy 1455 Comment
  UCR133525  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km northwest of Shasta City, below Dobkins Lake 1650 Comment
  SBBG57824  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1350 Comment
  SBBG57839  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1425 Comment
  CAS-BOT-BC125689  Salix melanopsis W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  UC481730  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou near hwy. at Flume Creek Camp (Flume Creek - tributuary of Pit River); Flume Creek 555 Comment
  CAS-BOT-BC125931  Salix prolixa W. R. Dudley 1899-8-15 s.n. Siskiyou McCloud River at [Glazier] Glaser/Glacierview Comment
  CAS-BOT-BC129027  Salix scouleriana Doris K. Kildale 1929-7-20 8719 Siskiyou Trail to Raspberry Lake, upper Indian Creek 1828 Comment
  CAS-BOT-BC129028  Salix scouleriana Arthur L. Menzies 1962-7-1 s.n. Siskiyou Copper Butte near Cook & Green Pass north of Seiad Valley, Siskiyou Mts. Comment
  SEINET12003151  Salix sessilifolia Unknown 1936-1 13444 Siskiyou Klamath river Comment
  HSC28676  Salix sitchensis Frederick W. Oettinger 1968-9-4 697 Siskiyou Marble Mtn. Wilderness Area, SE of Abbott's Lake 1768 Comment
  JEPS38528  Salix sitchensis Geo. D. Butler 1908-8-6 149 Siskiyou Independence Creek Whiskey Camp 1676 Comment
  JEPS12731  Sambucus mexicana W. L. Jepson July, 1894 Siskiyou Sisson Comment
  CAS-BOT-BC238876  Sambucus nigra subsp. caerulea Alice Eastwood 1921-7-31 11017 Siskiyou Shasta Springs Comment
  OBI81738  Sanicula tuberosa Tracey Call, Viola Call 1964-6-20 2275 Siskiyou In thin layer of duff under Ponderosa pine on nearly level area surrounding Scott Mt. campground. Comment
  HSC27476  Sarcodes sanguinea J. P. Smith, J. O. Sawyer 1972-5-28 5375 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  JEPS84268  Saxifraga aprica L. R. Heckard with J. Hickman et al. 1986-7-17 6465 Siskiyou 5 mi n of the town of Seiad Valley (Trail up Kangaroo Peak, s of Lily Pad Lake); Kangaroo Peak 2011 Comment
  UC722711  Saxifraga mertensiana C. L. Hitchcock, J. S. Martin 1939-7-9 5316 Siskiyou between King's Castle and Black Mountain 1828 Comment
  RSA120760  Saxifraga nidifica var. nidifica S. S. Tillett 1956-7-9 646 Siskiyou Scott Mtn, Siskiyou-Trinity County line, 8 miles SE of Callahan. 1921 Comment
  RSA238323  Saxifraga occidentalis var. rufidula Frederick W. Oettinger 1969-7-16 651 Siskiyou Base of precipice S of Abbotts Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  POM258940  Saxifragopsis fragarioides C. L. Hitchcock, J. S. Martin 1939-7-7 5285 -a Siskiyou Sanger Peak. 1780 Comment
  RSA211114  Saxifragopsis fragarioides William J. Ferlatte 1967-7-25 730 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  RSA0101700  Sceptridium multifidum Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1278 Siskiyou On the east shore of English Lake. 1753 Comment
  RSA121320  Schedonorus pratensis H. S. Yates 1936-6-21 5866 Siskiyou 6 miles N of Gazelle. 793 Comment
  CHSC106106  Schoenoplectus acutus var. occidentalis Lowell Ahart; John Dittes 2010-7-30 16972 -A Siskiyou Along the south edge of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  SEINET5717258 Image available Schoenoplectus acutus var. occidentalis Philip E. Hyatt 2002-1 11138 Siskiyou Happy Camp community, Along Klamath River. north riverbank of Klamath River within 10 feet of water. 41 deg. 47' 36.1'' 123 deg. 22. 05'.3''. Comment
  RSA105480  Schoenoplectus acutus var. occidentalis G. D. Barbe 1955-6-29 27 Siskiyou 1 mile east of Callahan 976 Comment
  UC1100765  Scirpus acutus var. occidentalis Herbert L. Mason 1948-7-18 13616 Siskiyou Grass Lake Comment
  CAS-BOT-BC35598  Scirpus congdonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mtns. 1828 Comment
  JEPS85082  Scirpus microcarpus W. B. and V. G. Cooke with Ted Graves 1988-8-29 64235 Siskiyou Bear Springs Mt. Shasta, Shasta-Trinity N.F., Bear Springs (FS-31, Mt. Shasta, Shasta-Trinity N.F.) 1524 Comment
  RSA238373  Scribneria bolanderi Frederick W. Oettinger 1967-7-20 181 Siskiyou East bank of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CHSC14081  Scrophularia desertorum K. R. Stern; D. B. Joley, J. G. Geschke 1974-4-23 5832 Siskiyou Vicinity of Blue Grotto Cave, Lava Bed Natol. Monument. 1456 Comment
  HSC46222  Scutellaria siphocampyloides Jennifer Whipple 1978-6-5 2332 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC240100  Secale cereale W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34330 Siskiyou Along highway, Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC64647  Sedum kiersteadiae E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy 2133 Comment
  CAS-BOT-BC64661  Sedum kiersteadiae Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  CHSC118108  Sedum kiersteadiae Len Lindstrand III 2011-7-11 NSR- 11 Siskiyou Downslope of trail to lake near trailhead; UTM zone 10, 546913 east, 4563536 north, +/- 9 feet. 1777 Comment
  UC205192  Sedum lanceolatum Harley P. Chandler June, 1901 1669 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  UC571146  Sedum lanceolatum Dorothy Tebbe 1929-6-7 130 Siskiyou rocky hillside at Crater Lake (Mount Eddy); , Crater Lake Comment
  HSC49945  Sedum laxum subsp. heckneri G. L. Clifton 1979-8-7 12751 Siskiyou Near Canyon Creek, close to the town of Seiad Valley 1342 Comment
  JEPS84101  Sedum obtusatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6320 Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass, eastern slopes); 1/2 air mi from Red Butte, nne of Seiad Valley 1750 Comment
  UCD77119  Sedum obtusatum Robert E. Preston 2001-6-30 1648 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1828 Comment
  UC455356  Sedum obtusatum subsp. boreale I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Mt. Bradley); , near Shasta Retreat 1828 Comment
  HSC645  Sedum obtusatum subsp. retusum William J. Ferlatte 1967-7-6 612 Siskiyou Dorleska summit. 2134 Comment
  RSA603161  Sedum oregonense L. C. Wheeler 1934-7-3 2847 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. (Mt. Diablo Mer.) 677 Comment
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Oct 12 2020
  HSC25456  Sedum stenopetalum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5651 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  UC1408848  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-8-5 401 Siskiyou ridges between English Peak and Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  HSC91209  Senecio fremontii Jennifer Whipple 1978-10-6 2391 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  UC165411  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-15 1345 Siskiyou McAdams Creek Comment
  UC166186  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-1 1263 Siskiyou Humbug Mountain Comment
  HSC69328  Senecio sylvaticus John Palmer 1980-8-12 745 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CAS-BOT-BC364426  Senecio triangularis John Thomas Howell 1939-8-3 15024 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC364439  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  HSC68411  Senecio triangularis Maralyn A. Renner 1980-7-4 1410 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC91256  Senecio triangularis Jennifer Whipple 1977-7-20 2005 Siskiyou N slopes of Mt. Eddy 2287 Comment
  UC832134  Senecio triangularis A. A. Heller 1915-8-26 12226 Siskiyou meadow near the head Wagon Creek Canyon (Mt. Eddy); Mt. Eddy 2590 Comment
  UCR39793  Senecio triangularis L. P. Janeway 1983-7-10 399 Siskiyou Poker Flat 1524 Comment
  HSC69336  Senecio triangularis John Palmer 1980-8-13 780 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  RSA237446  Senecio triangularis Frederick W. Oettinger 1967-8-20 291 Siskiyou Salmon Mountains. The High Lake basins in the vicinity of English Peak Marble Mountain Wilderness Area. Stream bank below stream, Tom Taylor Cabin. 2049 Comment
  UC618835  Sibbaldia procumbens unknown 1938-8-18 11480 Siskiyou above Horse Camp (on the Summit Trail, Horse Camp Springs); Horse Camp Springs Comment
  HSC73342  Sidalcea malviflora Gail Newton 1980-6-20 453 Siskiyou Near Bald Mtn. 1097 Comment
  HSC60777  Sidalcea oregana Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CHSC88396  Sidalcea oregana subsp. spicata Jenny Marr 1993-7-1 155 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS67261  Sidalcea oregana subsp. spicata Geo. D. Butler 1909-6-22 905 Siskiyou Goosenest Mt. Comment
  UC642536  Sidalcea oregana subsp. spicata W. Bridge Cooke 1939-7-7 13589 Siskiyou established at Bear Springs Mount Shasta, Bear Springs Comment
  UC871509  Sidalcea oregana subsp. spicata Alice Eastwood 1912-7-18 1216 Siskiyou Sisson Comment
  LA205947  Sidalcea oregana subsp. spicata Wm. Bridge Cooke; 1940-7-5 15229 Siskiyou Mount Shasta, Bear Springs meadow 1523 Comment
  RSA68943  Sidalcea oregana subsp. spicata A. E. Culbertson 15 Siskiyou In the vicinity of Castle Lake, in a north facing cirque with an abrupt 1000 back wall; 14 miles SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UCD116836  Sidalcea oregana subsp. spicata J. Dimling 1989-8-22 154 Siskiyou Deadfall Meadows, Shasta/Trinity National Forest. 1950 Comment
  CAS-BOT-BC178693  Silene Volney Rattan 1903-6-13 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC181187  Silene campanulata subsp. glandulosa Doris K. Kildale 1929-7-20 8649 Siskiyou Trail up South Fork Indian Creek to Elk Lick 1219 Comment
  CAS-BOT-BC181195  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-7-15 962 Siskiyou Highland Mine Comment
  UC1409371  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1968-8-16 543 Siskiyou n Red Hill (near outlet Hancock Lake, high lake basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1996 Comment
  SBBG30596  Silene douglasii var. douglasii D. Myrick 1968-6-29 2059 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CAS-BOT-BC175053  Silene grayi R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  CHSC96163  Silene grayi L. P. Janeway 2006-7-3 8769 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  HSC68330  Silene grayi Maralyn A. Renner 1980-6-26 1241 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC1408877  Silene grayi Frederick W. Oettinger 1969-7-29 1110 Siskiyou high lake basins in vicinity English Peak (n of English Lake, near Lookout, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  UC1602154  Silene grayi Wm. M. Canby in company with Profs. C. S. Sargent and John Muir 1897-9-7 20 Siskiyou Mt. Shasta 2438 Comment
  UC8439  Silene grayi State Survey 1862-9-15 1373 Siskiyou Mt. Shasta 2377 Comment
  UC852865  Silene grayi Alice Eastwood 1912-9-1 2066 Siskiyou Mount Shasta Comment
  RSA237804  Silene grayi Frederick W. Oettinger, R. F. Thorne 1969-8-6 1225 Siskiyou East side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC375340  Silene menziesii Geo. D. Butler 1909-6-10 967 Siskiyou near Yreka; near Yreka Comment
  CDA17128  Sisymbrium altissimum G. F. Hrusa 2001-6-5 15842 Siskiyou Shasta Valley; Northbound exit from I-5 at Louie Rd. 914 Comment
  UC618766  Sisymbrium altissimum W. Bridge Cooke 1938-8-19 11525 Siskiyou Mount Shasta, Lower Bear Spring Lower Bear Spring; Mount Shasta, Lower Bear Spring 1524 Comment
  CAS-BOT-BC75157  Sisymbrium altissimum Doris K. Kildale 1929-6-25 8372 Siskiyou 6 miles north of Klamath River on Pacific Highway. Comment
  UCD115472  Sisymbrium altissimum A. A. Heller 1916-7-21 12480 Siskiyou near Upton. Comment
  HSC67687  Sisyrinchium bellum John S. Palmer 1980-7-24 636 Siskiyou Elk Hole 1503 Comment
  SEINET3920543  Sisyrinchium bellum Douglass Henderson 1985-6-8 6974 Siskiyou Shasta-Trinity NF along Hwy 89 between McLeod and Susanville, ca 1 mile SE of Bartle. Along north side of Hwy.; 0 1207 Comment
  CHSC27123  Sisyrinchium douglasii Thomas E. Lewis 1978-3-19 1 Siskiyou 200 m se of Yreka Creek on n facing slope, 1.5 km s on Highway 3 from Interstate 5 junction. 830 Comment
  CHSC70188  Sisyrinchium idahoense Jennifer Whipple 1976-7-24 1563 Siskiyou Southwest of Dobkins Lake along the drainage into the lake. 2255 Comment
  JEPS62162  Smilax jamesii Geo. D. Butler 1908-8-5 146 Siskiyou camp below Cold Spring; Woolly Creek 1676 Comment
  UC1409215  Smilax jamesii Frederick W. Oettinger 1969-8-1 1138 Siskiyou near stream below English Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1813 Comment
  POM126716  Solanum Milo S. Baker 1898-08 496 Siskiyou Medicine Lake Mtns at Devil's Gate. Comment
  CHSC91239  Solanum dulcamara Lowell Ahart; John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CDA5945  Solanum dulcamara E. Deal 1963-10-1 Siskiyou Shasta Valley; Paul Kottel property, Grenada. 0 Comment
  SBBG125916  Solanum dulcamara L. Ahart, J. Dittes 2010-7-30 16939 Siskiyou S edge of Shasta River, ca 100 yards E of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  HSC28653  Solanum parishii Frederick W. Oettinger 1969-7-15 1033 Siskiyou Below seepage along trail from English Lake to Diamond Lake 1875 Comment
  NY821267  Solanum physalifolium A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1189 Comment
  CAS-BOT-BC157049  Solanum umbelliferum D. Parker 1950-6-15 451 Siskiyou Along Kidder Creek 914 Comment
  SBBG25842  Solidago elongata D. Myrick 1966-8-11 1531 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC1034035  Solidago elongata W. Bridge Cooke 1941-8-8 16154 Siskiyou along springs and creeks between Wagon Camp and Bear Springs; Mount Shasta Comment
  HSC29093  Solidago multiradiata Frederick W. Oettinger 1968-9-5 706 Siskiyou High Lake Basins near English Peak; Marble Mountain Wilderness Area: English Lake Basin 1898 Comment
  UC195207  Solidago multiradiata Annie M. Alexander and Louise Kellogg 1911-8-14 326 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC365760  Solidago spectabilis Elmer I. Applegate 1923-8-21 3916 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  UC618791  Sorbus californica W. B. Cooke 1938-7-22 11341 Siskiyou Sisson Southern Trail Spring [Canadian] Sisson Southern Trail Spring; Mount Shasta 1981 Comment
  RSA237821  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1968-8-13 501 Siskiyou S inlet to Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  RSA238580  Sparganium angustifolium Frederick W. Oettinger 1968-8-13 500 Siskiyou South inlet area of Hancock Lake, the high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area; Salmon Mountains. 1936 Comment
  JEPS84262  Spiraea densiflora L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6356 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 0.5 mi se of Red Butte) 1730 Comment
  JEPS93907  Spiraea densiflora Vernon H. Oswald and Lowell Ahart 1998-8-3 9440 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC722698  Spiraea densiflora C. L. Hitchcock and J. S. Martin 1939-7-7 5272 a Siskiyou ca 12 mi s Takilma, Oregon (Sanger Peak Trail, 1 mi s of Camp Chicago); Siskiyou Mts. 1432 Comment
  CAS-BOT-BC149687  Spiraea douglasii Wm. Bridge Cooke 1938-7-29 11400 Siskiyou Above Bear Springs Comment
  CAS-BOT-BC149688  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mts., Siskiyou Mts. 1737 Comment
  RSA472783  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mtn. Siskiyou Mtns. 1738 Comment
  UC195237  Spiraea douglasii Annie M. Alexander and Louise Kellogg 1911-7-29 301 Siskiyou Rush Creek 1950 Comment
  RSA0056277  Spiraea douglasii Geo. E. Julian 1962-7-20 s.n. Siskiyou Near trailer park in town of Mt. Shasta. Comment
  HSC78331  Spiranthes romanzoffiana L. P. Janeway 1983-9-11 667 Siskiyou Poker Flat, seep at NW side 1524 Comment
  RSA382197  Spiranthes romanzoffiana Louis C. Wheeler 1934-8-14 3117 Siskiyou Johnson Dairy; Siskiyou Mountains. Mt. Diablo Mer. 1829 Comment
  RSA238545  Stachys rigida subsp. rivularis Frederick W. Oettinger 1967-8-13 257 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains; the High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA238547  Stachys rigida subsp. rivularis Frederick W. Oettinger 1968-8-11 481 Siskiyou Just below Tom Taylor Cabin spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC618823  Stellaria borealis subsp. sitchana unknown 1938-7-29 11428 Siskiyou Wagon Camp; Mount Shasta Comment
  CAS-BOT-BC181422  Stellaria calycantha John Thomas Howell 1939-8-3 14966 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC19087  Stellaria crispa J. O. Sawyer 1969-8-5 1766 Siskiyou W of Little Duck Lake 2073 Comment
  HSC92346  Stellaria umbellata Jennifer Whipple 1977-8-6 2229 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC516471  Stenanthium occidentale Annie M. Alexander; Louise Kellogg 1949-7-24 5857 Siskiyou Paradise Lake, Marble Mountains 2072 Comment
  UCD139815  Stenanthium occidentale J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek, ca. 0.5 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  CAS-BOT-BC375665  Stephanomeria paniculata Alice Eastwood 1912-9-4 2096 Siskiyou Sisson Comment
  JEPS24625  Stephanomeria paniculata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6778 Siskiyou 2.3 mi above Mt. Shasta town (Sisson) (along Everitt Memorial Highway to Panther Meadow, at sw base of Mt. Shasta); Mt. Shasta 1219 Comment
  CAS-BOT-BC375942  Stephanomeria virgata Louis C. Wheeler 1934-7-17 2912 Siskiyou Klamath National Forest. Cottonwood Creek 1036 Comment
  CAS-BOT-BC375943  Stephanomeria virgata Louis C. Wheeler 1934-7-17 2912 Siskiyou Klamath National Forest. Cottonwood Cr. 1036 Comment
  UC455750  Streptanthus tortuosus unknown Siskiyou near Shasta Retreat (summit); Mt. Bradley 1981 Comment
  UC673193  Streptanthus tortuosus Lincoln Constance and Reed C. Rollins 1942-5-13 2901 Siskiyou metamorphic bluffs near Clear Creek (ca 8 mi s of Happy Camp); Klamath-Siskiyou Region, Klamath River 304 Comment
  JEPS54030  Streptanthus tortuosus var. orbiculatus Willis L. Jepson 1894-8-4 13405 Siskiyou Mt. Shasta Region of the Upper Sacramento Comment
  UC70401  Streptanthus tortuosus var. orbiculatus Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  HSC58949  Streptopus amplexifolius Marvin Butler 1971-7-9 79 Siskiyou Near El Capitan 1464 Comment
  CAS-BOT-BC516434  Streptopus amplexifolius Doris K. Kildale 1928-8-19 6551 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  RSA184799  Streptopus amplexifolius Gilbert Muth 1966-7-24 443 Siskiyou Marble Valley, along creek, Marble Mountains. 1793 Comment
  RSA237936  Streptopus amplexifolius Frederick W. Oettinger 1968-8-10 462 Siskiyou Inlet to Hancock Lake. Salmon Mountains; the High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area 1936 Comment
  RSA68948  Streptopus amplexifolius A. E. Culbertson 1943-7-1 10 Siskiyou Near Forest Service Campground about a mile downstream from Castle Lake on road to town of Shasta. On a north slope of a 6600 eastern spur of Trinity Mountains and 1500 above Sacramento River., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to the northeast. 1524 Comment
  HSC92936  Stuckenia filiformis subsp. alpina Jennifer Whipple 1976-9-4 1790 Siskiyou Dobkins Lake 2073 Comment
  UC1190180  Suksdorfia ranunculifolia Ira L. Wiggins 1955-7-27 13546 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  JEPS44096  Swertia albicaulis var. albicaulis W. B. and V. G. Cooke 1965-7-12 35174 Siskiyou Bolam Road Mt. Shasta Comment
  JEPS46360  Swertia albicaulis var. nitida Ruby Van Deventer 1938-7-3 272 Siskiyou between Twin Valley and Poker Flat (on the border of Del Norte County) 1249 Comment
  UC166205  Swertia albicaulis var. nitida Geo. D. Butler 1910-6-2 1451 Siskiyou near Yreka Comment
  UC412598  Swertia albicaulis var. nitida I. J. Condit 1909-8-23 24 Siskiyou near Sisson; Castle Lake 1524 Comment
  HSC46227  Swertia albicaulis var. nitida Jennifer Whipple 1978-6-5 2338 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC269626  Symphoricarpos albus var. laevigatus John Thomas Howell 1937-7-21 13188 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS87629  Symphoricarpos albus var. laevigatus Vernon H. Oswald and Lowell Ahart 1994-8-10 6460 Siskiyou ca. 4 mi. (air) n.-n.e. Bartle (FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi. w. of Harris Spring Rd. (FS15)) 1359 Comment
  RSA273340  Symphoricarpos albus var. laevigatus J. P. Smith, J. O. Sawyer 1972-9-13 5778 Siskiyou 1.2 mile W of Cook & Green Pass on road to Lily Pad Lake. Comment
  CAS-BOT-BC234796  Symphoricarpos mollis Alice Eastwood 1912-9-4 2102 a Siskiyou Sisson Comment
  HSC58870  Symphyotrichum bracteolatum Marvin Butler 1971-8-11 308 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  CAS-BOT-BC98943  Symphyotrichum foliaceum var. parryi Annie M. Alexander; Louise Kellogg 1948-9-9 5617 Siskiyou Siskiyou Mountains - meadow at teh start of a 2-mile trail to Taylor Lake from Cook & White Mine 1584 Comment
  CAS-BOT-BC98956  Symphyotrichum foliaceum var. parryi Saxton; Canfield 1922-8-21 63 Siskiyou Poker Flat - Klamath Forest Comment
  UC1409450  Symphyotrichum hendersonii Frederick W. Oettinger 1968-9-10 815 Siskiyou nw of Horse Range Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1821 Comment
  CAS-BOT-BC98433  Symphyotrichum spathulatum Doris K. Kildale 1929-8-24 9102 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  UC157082  Taeniatherum caput-medusae Dr. E. B. Copeland 1903-7-5 3493 Siskiyou Klamathon, Round Mountain Round Mountain; Pacific Coast, Klamathon, Round Mountain Comment
  CAS-BOT-BC221961  Taeniatherum caput-medusae Dr. E. B. Copeland 1903-7-5 3493 Siskiyou Klamathon. North slope of Round Mountain Comment
  UCD107056  Taraxia tanacetifolia J. P. Smith; Steve Selva 1970-8-9 4586 Siskiyou Roadside by Grass Lake. Comment
  CAS-BOT-BC81346  Taxus brevifolia Nora Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs Comment
  CAS-BOT-BC85239  Taxus brevifolia Doris K. Kildale 1928-7-4 5475 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Mills Comment
  HSC18878  Taxus brevifolia J. O. Sawyer 1968-9-13 758 Siskiyou W Branch Campground on Indian Creek N of Happy Camp Comment
  HSC46089  Taxus brevifolia J. P. Smith, Steve Selva 1970-7-15 4355 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC68511  Tellima grandiflora Maralyn A. Renner 1980-6-25 1121 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  HSC90988  Thelypodium brachycarpum Jennifer Whipple 1976-7-1 1237 Siskiyou Near Durney Lake, W facing slope above lake 2073 Comment
  POM148439  Thelypodium brachycarpum J. B. Feudge 1927-7-24 1670 Siskiyou Trail to Mt Eddy from Sisson. 1677 Comment
  POM273828  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou North end of Shasta Valley near the Klamath River Comment
  CAS-BOT-BC88113  Thelypodium laciniatum L. E. Smith 1913-4-25 642 Siskiyou Yreka. Comment
  RSA577336  Thelypteris nevadensis L. C. Wheeler 1934-8-21 3191 Siskiyou Siskiyou Mountains, East Fork Horse Creek 1220 Comment
  RSA168913  Thermopsis robusta Joseph P. Tracy 1950-7-20 19213 Siskiyou Along top of ridge 5 miles SE of Flint Valley and along the road to Prospect Hill Comment
  CHSC110166  Thinopyrum intermedium subsp. barbulatum R. E. Brainerd 2010-8-5 1732 Siskiyou 774 Comment
  CAS-BOT-BC66796  Thysanocarpus curvipes Alice Eastwood 1923-5-29 11990 Siskiyou Shasta Springs. Comment
  UC375349  Thysanocarpus curvipes Geo. D. Butler 1909-4-4 572 Siskiyou dry land near Yreka; near Yreka Comment
  UC165986  Thysanocarpus radians Geo. D. Butler 1910-3-27 1146 Siskiyou near Yreka; near Yreka Comment
  UC142669  Tofieldia occidentalis subsp. occidentalis Dr. E. B. Copeland 1903-9-7 3877 Siskiyou Mt. Eddy 1828 Comment
  RSA240052  Tolmiea menziesii Frederick W. Oettinger 1969-8-9 1320 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott s upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  SD88344  Tolmiea menziesii Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon State line, on road to Happy Camp 1646 Comment
  OBI8730  Torilis arvensis Tracey & Viola Call, Viola Call 1964-6-22 2277 Siskiyou Near Klamath River 1/4 mi E of mouth of Beaver crk 488 Comment
  CHSC88388  Toxicoscordion venenosum var. venenosum Jenny Marr 1993-7-1 147 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC642523  Tragopogon dubius W. B. Cooke 1939-6-30 13553 Siskiyou along the lower part of the MacBride Springs Road Mount Shasta 1219 Comment
  OBI53781  Tragopogon dubius David J. Keil, Kathleen Keil 1992-7-19 23464 Siskiyou Klamath NF. 6.5 mi NW of Sawyers Bar on Sawyers Bar Rd Comment
  UC2062584  Triantha occidentalis subsp. occidentalis Belinda Lo with Alex Randolph-Lowe 2017-7-16 340 Siskiyou SISKIYOU COUNTY: Klamath National Forest, Scott Mountain Botanical Area, southeast of Big Carmen Lake. Comment
  CAS-BOT-BC519556  Triantha occidentalis subsp. occidentalis W. B. C. 1939-7-7 13611 Siskiyou Siskiyou Comment
  HSC43136  Trichostema lanceolatum Ken Stillman 1976-8-24 413 Siskiyou E and N slopes of Williams Point 366 Comment
  UC1187356  Trichostema simulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6870 Siskiyou 3 mi below(N) of Scott Mountain road summit (on road to Callahan) 1219 Comment
  CHSC32946  Trientalis latifolia James P. Smith; Advanced Plant Taxonomy Class 1973-5-5 6401 Siskiyou In and around the O'Neill Campground near Seiad Valley. 487 Comment
  RSA240068  Trientalis latifolia Frederick W. Oettinger 1969-8-9 1318 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott's upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  CDA4287  Trifolium eriocephalum E. Hale 1984-5-8 Siskiyou East end of Deer Meadow Road, approximately 1 miles west of R. Diaz property on Shamrock Road, south of Yreka. 0 Comment
  CHSC113789  Trifolium fragiferum R. E. Brainerd 2010-8-6 1733 Siskiyou Weed. Alley west of Shasta Avenue and S.Davis Avenue. UTM Zone 10 552177E 4586525N. 1091 Comment
  CAS-BOT-BC219034  Trifolium howellii Doris K. Kildale 1928-8-18 6426 Siskiyou North Fork on Salmon River at Finley Camp Comment
  HSC68986  Trifolium howellii Maralyn A. Renner 1980-7-24 2045 Siskiyou Lily Pad Lake 1768 Comment
  RSA624996  Trifolium howellii L. C. Wheeler 1963-8-27 8276 Siskiyou Siskiyou Mountains: Clear Creek, 1 mile below West Fork. 670 Comment
  UC630859  Trifolium howellii P. B. Kennedy Siskiyou Shackleford Creek Comment
  UC866815  Trifolium hybridum A. A. Heller 1916-6-20 12415 Siskiyou Metcalf's Ranch ne base of Mt. Eddy 91 Comment
  HSC60772  Trifolium longipes Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA215649  Trifolium longipes subsp. elmeri Gilbert Muth 1969-8-8 1287 Siskiyou Gap Meadow, Boulder Peak Ridge 2287 Comment
  SBBG3845  Trifolium longipes subsp. oreganum H. and M. Dearing 1939-6-5 3556 Siskiyou E of McCloud 1066 Comment
  JEPS48901  Trifolium microcephalum Geo. D. Butler 1908-6-28 380 Siskiyou Butler's Ranch Quartz Valley Comment
  HSC18994  Trifolium productum J. O. Sawyer 1969-8-5 1931 Siskiyou N of S Sugar Lake 1890 Comment
  JEPS128458  Trifolium productum Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -059 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  RSA145170  Trifolium productum Dorothy Parker 1959-7-5 734 Siskiyou Salmon Mountain 1677 Comment
  JEPS75360  Trifolium variegatum Geo. D. Butler 1909-6-5 797 Siskiyou near Yreka (McNutty's field) Comment
  UC144271  Trifolium variegatum var. melananthum A. A. Heller 1905-6-5 7964 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UC144272  Trifolium wormskioldii A. A. Heller 1905-6-22 8094 Siskiyou betw Igerna and Weed Comment
  SEINET10829874  Trifolium wormskioldii var. wormskioldii Louis C. Wheeler 1935-6-27 Wheeler 3620 Siskiyou Greenview, Scott Valley. Damp sunny meadow. 884 Comment
  SBBG1080  Trillium ovatum K. K. Muller 1954-6-23 646 Siskiyou summit ca. 3.5 mi S of Oregon line on road to Happy Camp, Siskiyou Mtns Comment
  CHSC96099  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-3 8757 Siskiyou Klamath Ranges. Salmon Mountains; creeklet at head of Music Creek. 1981 Comment
  HSC18873  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-7-10 513 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  CHSC187  Triodanis biflora 1943-8-5 Siskiyou Scott Valley. Comment
  UCD82887  Tripleurospermum Steve Orloff 2009-10-1 s. n. Siskiyou Siskiyou County. Comment
  UC1265465  Trisetum canescens Frederick W. Oettinger 1969-9-5 1682 Siskiyou near Abbott Lake (Salamander Pond, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UC60943  Trisetum spicatum Geo. B. Grant 1902-9-1 5092 Siskiyou Horse Camp Mount Shasta 2438 Comment
  HSC71074  Triteleia bridgesii M. A. Baker 1980-6-20 2196 Siskiyou Near Bald Mtn. 275 Comment
  HSC68487  Triteleia crocea Maralyn A. Renner 1980-6-9 841 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  JEPS18285  Triteleia crocea Rimo Bacigalupi with S. Galen Smith and George Bacigalupi Jr. 1957-6-26 5945 Siskiyou above s end Gumboot Lake (head South Fork Sacramento River, close to Trinity County line); s end Gumboot Lake, head South Fork Sacramento River 1859 Comment
  RSA60793  Triteleia crocea Dorothy Parker 1948-5-16 s.n. Siskiyou Near Harstrand Gulch, east side of Scott Valley 915 Comment
  UC1045310  Triteleia crocea var. modesta W. Bridge Cooke 1940-6-6 15076 Siskiyou moist places along Castle Lake road 1615 Comment
  UC765405  Triteleia crocea var. modesta W. Bridge Cooke 1940-6-6 15076 Siskiyou in moist places along Castle Lake road Comment
  RSA666433  Triteleia hyacinthina Barbara Ertter 1990-7-15 9369 Siskiyou ca 1 mile east of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles west of Mount Shasta City. 1982 Comment
  SEINET8506392  Triteleia ixioides J. F. Sloan 1959-4-26 s.n. Siskiyou 20 miles S of Weed and 1 mile E toward Mt. Shasta. 1676 Comment
  CAS-BOT-BC80256  Tsuga mertensiana subsp. grandicona L. E. Smith 1913-8-1 545 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC74091  Turritis glabra A. A. Heller 1916-6-23 12437 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  HSC67617  Typha latifolia J. P. Smith, Steve Selva 1970-8-7 4540 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  JEPS40107  Umbellularia californica Wm. C. Cusick 1902-7-31 2932 Siskiyou Siskiyou Mountains Comment
  CAS-BOT-BC199196  Vaccinium cespitosum A. A. Heller 1922-7-3 13672 Siskiyou Along Wagon Creek on Mt. Eddy 2225 Comment
  HSC19353  Vaccinium membranaceum J. O. Sawyer 1968-6-18 222 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC19360  Vaccinium membranaceum J. O. Sawyer 1968-6-18 224 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC19369  Vaccinium membranaceum J. O. Sawyer 1968-9-13 712 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC22413  Vaccinium membranaceum J. O. Sawyer 1969-8-1 1606 Siskiyou Horseshoe Lake 1921 Comment
  HSC48273  Vaccinium membranaceum P. Stekel, K. Stillman May 1977 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  HSC60771  Vaccinium membranaceum Ruby Van Deventer 1962-8-14 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC65418  Vaccinium membranaceum R. White 1978-7-3 206 Siskiyou Saddle in spur ridge between Dillon Trail and 5759 Comment
  CAS-BOT-BC199487  Vaccinium scoparium Wm. Bridge Cooke 1940-6-6 15033 Siskiyou Along the Castle Lake road Comment
  CAS-BOT-BC199488  Vaccinium scoparium Wayne Roderick 1967-9-1 s.n. Siskiyou Between Cedar and Cliff lakes 1828 Comment
  CAS-BOT-BC228830  Vaccinium scoparium Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-19 1929 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Ca. 0.3 km S of Cedar Lake along road to Cliff Lake, headwaters of the Sacramento River 1752 Comment
  SEINET3107076  Vaccinium scoparium Steve Selva, Roger Jensen 1974-8-25 47 Siskiyou Meadow at west end of Little Duck Lake. Comment
  LA44769  Vaccinium uliginosum subsp. occidentale Wm. Bridge Cooke; 1939-7-7 13606 Siskiyou Mount Shasta, Wagon Camp 1737 Comment
  POM77331  Vaccinium uliginosum subsp. occidentale Edward Palmer 1927-7-13 2456 Siskiyou Mt. Shasta and vicinity. Comment
  UC73559  Vaccinium uliginosum subsp. occidentale Milo S. Baker 1899-1 Siskiyou Bear Mts. Comment
  CAS-BOT-BC506662  Valeriana sitchensis subsp. sitchensis Dana York 2011-9-8 3080 Siskiyou Marble Mountain Wilderness, Klamath National Forest. Along PCT ca 650 m SE of Paradise Lake 1950 Comment
  UC7408791  Valeriana sitchensis subsp. sitchensis Frederick W. Oettinger 1968-8-6 425 Siskiyou along stream at se corner of Hancock Lake (High Lake Basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC67681  Vancouveria hexandra John Palmer 1980-7-24 622 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC529103  Veratrum californicum Laura M. Lathrop 1903-7-17 s. n. Siskiyou Sisson Comment
  RSA463686  Veratrum californicum S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  JEPS24441  Veratrum insolitum Rimo Bacigalupi with L. Constance and L. R. Heckard 1960-7-21 7483 Siskiyou 14 mi e Cecilville (6 mi w of rd summit, along new rd from Cecilville to Callahan, watershed of e fork of the South Fork of the Salmon River, just above Six-mile Creek) 1371 Comment
  UC1409321  Veratrum viride Frederick W. Oettinger 1969-9-2 1592 Siskiyou near Tom Tyler Cabin (Bear Meadow, Marble Mountain Wilderness Area, High Lake Basins in vicinity of English Peak, Salmon Mountains, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  HSC72501  Verbascum blattaria J. P. Smith, Steve Selva 1970-6-17 4093 Siskiyou 12 mi. E of Somes Bar on road between Forks of Salmon and Somes Bar 366 Comment
  HSC96828  Verbena lasiostachys var. lasiostachys S. Lyon 2006-6-29 7 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  UC61039  Veronica americana W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  RSA426465  Veronica americana Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  RSA786486  Veronica americana Peter Rubtzoff 1955-7-10 1948 Siskiyou Duncans Mills Marsh Comment
  SD76150  Veronica anagallis-aquatica Helen V. Witham 1969-10-7 585 Siskiyou At bridge to Indian Scotty Campground, Scott River, 10 Mi. west of Ft. Jones 700 Comment
  UC1473429  Veronica copelandii Gilbert Jerome Muth 1978-8-2 7402 Siskiyou near South China Mountain (close to town of Callahan) 2438 Comment
  RSA120817  Veronica serpyllifolia var. humifusa G. D. Barbe 1955-7-6 120 Siskiyou Along southern shore of Taylor Lake, Salmon Mtns. 1951 Comment
  JEPS83277  Vicia Geo. D. Butler 1908-6-22 400 Siskiyou near Yreka (Butler's Ranch) Comment
  UC164016  Vicia americana var. americana Geo. D. Butler 1909-4-24 604 Siskiyou Greenhorn road Comment
  HSC71649  Vicia americana var. americana J. P. Smith, Steve Selva 1970-6-16 4009 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  RSA237894  Vicia americana var. americana Frederick W. Oettinger 1969-8-1 1136 a Siskiyou Between English Lake and Wiregrass Meadow. The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. Salmon Mountains Western Siskiyou County. 1707 Comment
  UC1733823  Viola Frank Gould, Kay Beach 1940-5-15 1239 Siskiyou Between Mt. Hebron and Montague Lower Bull Meadows Comment
  CAS-BOT-BC270230  Viola adunca L. E. Smith 1915-7-1 s.n. Siskiyou Castle Lake Comment
  CAS-BOT-BC270241  Viola adunca Alice Eastwood 1912-8-30 1975 Siskiyou Mount Eddy Comment
  HSC44940  Viola adunca J. O. Sawyer 1978-6-20 3264 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  RSA211293  Viola adunca William J. Ferlatte 1966-6-22 98 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment