Search Results — 2000 specimen records retrieved (1387 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC32568  Abies X shastensis Steven Lagos 1974-5-26 91 Siskiyou Duck Lake Creek drainage 1524 Comment
  CAS-BOT-BC77937  Abies amabilis Eugene L. Parker 1961-10-3 s.n. Siskiyou Below [summitof] summit of Copper Butte on northern edge of Colony, Klamath National Forest 1920 Comment
  JEPS83902  Abies amabilis Stephen K. Langer with Charles S. Rand 1988-6-20 Siskiyou e drainage of Black Mt.; , Rogue River National Forest 1983 1767 Comment
  UC1319592  Abies amabilis James B. Roof, Irja Knight September 1948 Siskiyou n side of divide between head of North Fork of Salmon River and head of Hancock Creek; Salmon Mountains, Hancock Lake 2133 Comment
  RSA0091808  Abies concolor Bonnie C. Templeton 1968-6-13 11331 Siskiyou Mt. Shasta, on road to ski bowl. 2835 Comment
  RSA183693  Abies concolor Gilbert Muth 1965-7-29 313 Siskiyou Near top of ridge, near four-corners, Marble Mountain. Comment
  HSC67823  Abies magnifica J. O. Sawyer, J. Cole 1980-7-20 3767 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  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
  HSC4978  Abies procera J. O. Sawyer 1968-9-11 693 Siskiyou Ridge S of Twin Valley 1524 Comment
  UC1408873  Acer glabrum var. glabrum Frederick W. Oettinger and R. F. Thorne 1969-8-5 1206 Siskiyou along trail bet Abbotts Upper Cabin and English Lake (Willow Springs, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Marble Mountain Wilderness Area, Salmon Mountains 1676 Comment
  CAS-BOT-BC331018  Acer glabrum var. glabrum Edward Lee 1934-8-13 1078 Siskiyou Watershed of West Branch of Indian Ceek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  JEPS80577  Acer glabrum var. torreyi Gilbert Muth 1965-8-3 147 Siskiyou down creek from Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1767 Comment
  RSA68864  Acer glabrum var. torreyi A. E. Culbertson 1943-6-23 92 Siskiyou Along east shore of Castle Lake, 14 miles southwest of Mt. Shasta, above Sacamento River within 10 miles of its headwaters to the west Comment
  CAS-BOT-BC332792  Acer macrophyllum Doris K. Kildale 1929-4-27 7843 Siskiyou Cecilville, south fork Salmon River Comment
  UC933376  Acer macrophyllum Annie M. Alexander and Louise Kellogg 1948-9-14 5619 Siskiyou Canyon Creek , branch of Scott River (branch of Scott River) 914 Comment
  CHSC86654  Achillea millefolium Jenny Marr 1993-7-1 37 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC91360  Achillea millefolium Lowell Ahart; John Dittes 2005-6-9 12039 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
  CAS-BOT-BC30436  Achillea millefolium Carl B. Wolf 1927-8-26 1093 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  RSA238785  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou Ridges above English Lake Basin, Shasta Ridge'. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC400004  Achlys triphylla A. M. Vollmer; L. Beane 1951-6-2 87 Siskiyou Happy Camp, Klamath River Highway Comment
  POM115235  Achnatherum lemmonii var. lemmonii Geo D. Butler 1909-6-4 810 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC216929  Achnatherum occidentale Gilbert Muth 1966-7-25 454 Siskiyou Marble Rim, Marble Mountains 2072 Comment
  UCD55558  Achnatherum occidentale L. Whitney 1934-6-29 2193 Siskiyou Antelope Creek, near Tennant. 1463 Comment
  UC1265474  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-8-8 454 a Siskiyou Crapo Meadow near Tom Taylor Cabin (vicinity of English Peak Marble Mountain Wilderness Area); Salmon Mountains, High Lake Basin 2026 Comment
  UCD51162  Achnatherum occidentale subsp. californicum A. H. Murphy 1959-7-21 59 D Siskiyou Shasta National Forest. Deadfall Lake area. 2225 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
  UC1037164  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-15 3475 Siskiyou 2 mi se Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  CHSC91225  Achnatherum thurberianum Lowell Ahart; John Dittes 2005-6-9 12018 Siskiyou Small low hill, pasture field, on the east side of a poor rock fence, about 350 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
  JEPS94899  Achnatherum thurberianum Vernon H. Oswald and Lowell Ahart 1998-6-11 9192 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation 1066 Comment
  UCD51429  Achnatherum thurberianum Beecher Crampton 1969-6-18 8460 Siskiyou 4 miles s.w. Yreka, State Hwy. 3. 975 Comment
  UC134232  Achyrachaena mollis Dr. E. B. Copeland 1903-7-3 3528 Siskiyou Klamathon; Pacific Coast Comment
  UCD103807  Acmispon americanus var. americanus A. A. Heller 1916-8-24 12557 Siskiyou Near Sisson. 1074 Comment
  HSC30775  Acmispon nevadensis J. P. Smith, J. O. Sawyer 1972-5-28 5373 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  SJSU6270  Aconitum columbianum R. W. Trivelpiece 1971-8-9 64 Siskiyou Kangaroo L on Kangaroo Cr, S of East Fork Scott R between Gazelle & Callahan 1737 Comment
  CAS-BOT-BC391526  Aconitum columbianum subsp. columbianum Doris K. Kildale 1928-8-19 6578 Siskiyou Hancock Lake on trail to Marble Mountain 2133 Comment
  CAS-BOT-BC391523  Aconitum columbianum subsp. columbianum Wm. Bridge Cooke 1938-7-29 11420 Siskiyou Mount Shasta. Wagon Camp. In the Wagon Camp meadow. Also at Bear Springs Comment
  POM365584  Aconitum columbianum var. columbianum M. B. Dunkle 1944-7-1 9056 Siskiyou Siskiyou Natl. Forest 1829 Comment
  CAS-BOT-BC412615  Aconogonon alaskanum John Thomas Howell 1939-8-3 14976 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC76966  Aconogonon davisiae K. T. Stillman 1976-6-25 93 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  HSC30500  Aconogonon phytolaccifolium Frederick W. Oettinger, R. F. Thorne 1969-8-7 1274 Siskiyou Marble Mtn. Wilderness Area, SE side of English Lake 1829 Comment
  RSA262473  Actaea rubra subsp. arguta J. M. Tucker, L. K. Mann 1963-7-7 3719 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  CHSC57343  Adenocaulon bicolor J. D. Prouty 1979-7-21 Siskiyou Cooley's Ranch campground ca 4 mi south of McCloud. 914 Comment
  JEPS33918  Adenocaulon bicolor Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson; Upper Sacramento Comment
  CAS-BOT-BC68961  Adiantum aleuticum Ira L. Wiggins 1955-7-23 13477 Siskiyou Banks of China Creek 1097 Comment
  UCD69126  Adiantum aleuticum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1650 Comment
  CAS-BOT-BC68952  Adiantum aleuticum Louis C. Wheeler 1934-7-30 75484 Siskiyou Red Mt. Creek 1524 Comment
  RSA0003895  Agastache parvifolia Alice Eastwood, J. T. Howell 1940-6-14 8266 Siskiyou Lava Beds National Mon. near Schonchin Butte Comment
  CAS-BOT-BC540710  Agastache urticifolia Dana York 2012-7-22 3145 Siskiyou Siskiyou Mountains: Klamath National Forest, ca. 440 m ESE of Red Butte, springs around Bee Camp 1740 Comment
  RSA183725  Agastache urticifolia Gilbert Muth 1965-8-11 206 Siskiyou Marble Valley. Marble Mtns. Comment
  HSC79317  Ageratina occidentalis D. H. Norris 1970-5-23 12240 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  HSC2211  Ageratina occidentalis L. C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek; Mt. Diablo Mer. 1982 Comment
  CAS-BOT-BC15479  Agoseris X dasycarpa Elmer I. Applegate 1923-8-18 3857 Siskiyou Redshale Mountain east of Medicine Lake 2438 Comment
  HSC22431  Agoseris aurantiaca J. O. Sawyer 1969-7-18 1432 Siskiyou SW facing slope above Deacon Lee Trail 2195 Comment
  CHSC69064  Agoseris glauca var. monticola Vernon Oswald; Lowell Ahart 1997-7-28 8797 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  CAS-BOT-BC15384  Agoseris grandiflora var. grandiflora G. P. Rixford not specified s.n. Siskiyou South side of Shaft-rock Mountain, Hilt Comment
  CAS-BOT-BC15390  Agoseris grandiflora var. grandiflora George Dexter Butler 1910-6-10 1555 Siskiyou Near Yreka Comment
  OBI53728  Agoseris grandiflora var. leptophylla David J. Keil 1992-7-20 23469 Siskiyou W side of Scott Valley, 4.9 mi N of Etna along Calif Rte 3 875 Comment
  CAS-BOT-BC22779  Agoseris heterophylla A. A. Heller 1905-6-15 8030 Siskiyou Near Sisson Comment
  HSC67939  Agoseris heterophylla J. P. Smith 1973-5-5 6481 Siskiyou Along Cook and Green Pass Rd. Comment
  SBBG30514  Agoseris heterophylla D. Myrick 1968-6-28 2052 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  HSC45889  Agropyron cristatum Laura Witherspoon 1978-8-15 79 Siskiyou Klamath National Forest, 0.1 miles S of junction of Forest Service Rds. 6Q01 and 7S01 1378 Comment
  JEPS80661  Agrostis alba W. B. and V. G. Cooke 1977-9-20 54807 Siskiyou along dry spring creek Mt. Shasta, Little Bear Springs Comment
  RSA239096  Agrostis exarata Frederick W. Oettinger 1969-8-22 1499 Siskiyou North side of Horse's Hole Meadows, Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UCD52131  Agrostis exarata Beecher Crampton 1956-8-21 3830 Siskiyou 1/2 mile northeast Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  CHSC88380  Agrostis exarata var. monolepis Jenny Marr 1993-7-1 185 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC139570  Agrostis gigantea Louis C. Wheeler 1934-8-14 3134 Siskiyou Klamath Forest. North side White Mountain. 1767 Comment
  HSC69112  Agrostis gigantea Maralyn A. Renner 1980-8-6 2303 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC139350  Agrostis idahoensis G. J. Muth 1969-8-10 1313 Siskiyou Ridge west of Boulder Peak. 2225 Comment
  CAS-BOT-BC139138  Agrostis oregonensis Alice Eastwood 1921-7-25 10834 Siskiyou Bigelows McCloud River. Comment
  CAS-BOT-BC138941  Agrostis pallens Doris K. Kildale 1928-8-19 6515 Siskiyou English Lake, head of north fork of Salmon River. 1828 Comment
  HSC39813  Agrostis pallens J. O. Sawyer 1969-8-4 1836 Siskiyou Above Sugar Lake 2134 Comment
  RSA239092  Agrostis pallens Frederick W. Oettinger 1969-8-14 1377 Siskiyou At inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1265314  Agrostis pallens F. W. Oettinger and R. F. Thorne 1969-8-6 1230 Siskiyou face of steep cliff s Pine Lake; Salmon Mountains 1920 Comment
  UCD53181  Agrostis pallens Geo. D. Butler 1910-7-10 1724 Siskiyou Shackleford Creek. 1219 Comment
  SEINET7594103 Image available Agrostis pallens F. W. Oettinger, R. F. Thorne 1969-1 1188 Siskiyou west side of English Lake, Salmon Mountains 1676 Comment
  POM206868  Agrostis stolonifera Edward Palmer 1892-1 2659 Siskiyou near Mt. Shasta Comment
  RSA238348  Agrostis stolonifera Frederick W. Oettinger 1969-8-16 1397 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC618861  Agrostis thurberiana W. Bridge Cooke 1938-9-17 11695 Siskiyou Water Supply Spring, Horse Camp Mount Shasta 2468 Comment
  CAS-BOT-BC138485  Agrostis variabilis Alice Eastwood 1912-8-30 1986 Siskiyou Mount Eddy. Comment
  POM259583  Agrostis variabilis J. T. Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  RSA238338  Agrostis variabilis Frederick W. Oettinger 1969-9-2 1604 Siskiyou On north side of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA105378  Alisma triviale G. D. Barbe 1955-7-5 108 Siskiyou At eastern limit of Greenview on road to Fort Jones; south side of road. 884 Comment
  CAS-BOT-BC462995  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  HSC68531  Allium siskiyouense Maralyn A. Renner 1980-6-24 1060 Siskiyou Ridge 0.5 mi. E of Cook and Green Pass 1555 Comment
  UCD143202  Allium siskiyouense Sandra L. Holloway 1963-7-14 s.n. Siskiyou ca. 5 miles south and 5 miles west of Weed. 2133 Comment
  POM109968  Allium siskiyouense Geo D. Butler 1910-4-10 1167 Siskiyou Yreka Comment
  HSC48724  Allotropa virgata J. Pageau, E. Toth 1979-6-5 495 Siskiyou 6.6 mi. N. of the G.O. road on FS 11N24. Line Timber Sale, unit 14, Bulk Collection 173 799 Comment
  UC484055  Alnus incana subsp. tenuifolia Carl B. Wolf 1930-10-22 1752 Siskiyou 1 mi w Mt. Shasta City 1066 Comment
  HSC33980  Alnus rhombifolia J. P. Smith 1974-5-25 7442 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  CAS-BOT-BC169384  Alnus viridis subsp. sinuata Harley P. Chandler 1901-6-1 1618 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  HSC69223  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-8-31 2621 Siskiyou Twin Valley. 1494 Comment
  RSA211261  Alnus viridis subsp. sinuata W. J. Ferlatte 1966-7-7 192 Siskiyou A flora of the Trinity Alps of northern California ; Caribou Basin. 1982 Comment
  RSA161609  Alopecurus aequalis Geo D. Butler 1910-8-13 1837 Siskiyou Oro Fino Creek bank. Comment
  CDA3624  Alyssum alyssoides Vernon H. Oswald & Lowell Ahart 1998-6-11 9178 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  CHSC38086  Alyssum alyssoides R. E. Preston; L. E. Preston 1983-6-9 391 Siskiyou Grass Lake Rest Area. 1542 Comment
  CAS-BOT-BC17203  Alyssum alyssoides L. E. Smith 1914-5-6 655 Siskiyou Yreka. Comment
  HSC27225  Amaranthus albus J. P. Smith, J. O. Sawyer 1971-9-18 4802 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  JEPS89085  Amaranthus californicus Geo. D. Butler 1909-8-18 1067 Siskiyou Yreka Comment
  JEPS123489  Amelanchier alnifolia var. semiintegrifolia E. T. Doucette 2013-5 13 -114 Siskiyou SkiPark Highway Pierce. Comment
  NY418532  Amelanchier gracilis A. A. Heller 1905-6-5 7970 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  HSC18540  Amelanchier pallida D. M. Thomson 1965-8-7 170 Siskiyou Lava Beds NM, Cave Loop Rd. by information center Comment
  HSC24114  Amelanchier pallida J. O. Sawyer 1970-7-14 2354 Siskiyou S side of Bear Mtn. 1707 Comment
  HSC4960  Amelanchier pallida J. O. Sawyer 1968-7-9 423 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  RSA211464  Amelanchier pallida William J. Ferlatte 1967-6-5 493 Siskiyou Big Flat. 1524 Comment
  UCD169265  Amelanchier pallida T. Bruchman 1978-7-1 297 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  CAS-BOT-BC136896  Amelanchier utahensis Mrs. H. P. Bracelin 1936-5-11 839 Siskiyou Mt. Eddy, about 6 miles N.W. of Mt. Shasta City, Wagon Creek Canyon above Metcalf ranch house 1188 Comment
  CAS-BOT-BC136908  Amelanchier utahensis Doris K. Kildale 1928-7-1 5327 Siskiyou Forks of Salmon Comment
  CAS-BOT-BC136914  Amelanchier utahensis Doris K. Kildale 1929-5-11 7761 Siskiyou Klamath River at Hornbrook Comment
  CDA40467  Amsinckia menziesii G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2582 Siskiyou Around abandoned railroad station building and tracks, Grenada. Comment
  HSC30495  Anaphalis margaritacea Frederick W. Oettinger 1969-8-9 1314 Siskiyou Near Young's Cabin, Salmon Mts. Comment
  CAS-BOT-BC391806  Anemone deltoidea John Thomas Howell 1939-8-2 14927 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC69536  Anemone deltoidea Maralyn A. Renner 1980-8-6 2257 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  RSA238286  Anemone deltoidea Frederick W. Oettinger 1967-8-3 s.n. Siskiyou Along trail SE side of Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  UCD95451  Anemone deltoidea Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou Along Canyon Creek, east of Marble Mountain, Marble Mountains. 1584 Comment
  HSC4933  Anemone lyallii J. O. Sawyer 1968-6-18 204 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  JEPS17315  Anemone occidentalis unknown 1862-9-16 1419 Siskiyou Mt. Shasta 2438 Comment
  UC1188083  Anemone occidentalis Philip A. Munz 1960-8-22 24184 Siskiyou Mt. Shasta, Panther Meadows 2529 Comment
  UC165939  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Campbell Lake 1676 Comment
  UCSB27381  Anemone occidentalis Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 3200 Comment
  CAS-BOT-BC391974  Anemone occidentalis Wm. Bridge Cooke 1938-9-8 11601 Siskiyou Mount Shasta. Slopes of Little Red Butte Comment
  SEINET12099858  Anemone occidentalis H. P. Chandler 1901-1 1637 Siskiyou North Coast Ranges 2134 Comment
  UC1400366  Angelica arguta Frederick W. Oettinger 1968-8-14 514 Siskiyou 0.1 mi e of Tom Taylor Cabin (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  JEPS120190  Angelica tomentosa Julie Kierstead Nelson 2011-8-23 2011 -42 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  RSA237409  Angelica tomentosa var. tomentosa Frederick W. Oettinger 1968-8-14 514 Siskiyou 0.1 mile east of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SD109166  Angelica tomentosa var. tomentosa Joseph M. DiTomaso 1980-8-20 1892 Siskiyou Trail to Caribou Lake in Salmon-Trinity Alps Wilderness Area. 1950 Comment
  SEINET2030056 Image available Anisocoma acaulis C. L. Hitchcock 1940-3-23 5834 Siskiyou Red Rock Canyon Comment
  UC454329  Antennaria argentea I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  CHSC91381  Antennaria dimorpha Lowell Ahart; John Dittes 2005-6-10 12075 Siskiyou On the south side of a poor dirt road, about 100 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
  UC1114144  Antennaria dimorpha Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 237 Siskiyou 4.5 mi n of city limits on US Hwy 99 Yreka 914 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
  UC796526  Antennaria dimorpha Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11830 Siskiyou (rd between Callahan and Gazelle) Callahan; Gazelle Mountain Grade 1499 Comment
  JEPS13171  Antennaria geyeri W. L. Jepson 1940-7-1 20085 Siskiyou 6 mi e Fowler's Camp; McCloud River 975 Comment
  UC891586  Antennaria geyeri Alice Eastwood 1912-7-15 1061 a Siskiyou McCloud Comment
  RSA93675  Antennaria geyeri F. W. Peirson 1923-7-20 3893 Siskiyou 2 miles below camp on Whitney Creek, Mt. Shasta. Comment
  CAS-BOT-BC77346  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC79904  Antennaria microphylla Douglas Barbe 1955-8-1 327 Siskiyou Summit of Mt. Bolivar, Scott Mts. 2468 Comment
  CAS-BOT-BC84792  Antennaria racemosa Geo. D. Butler 1910-6-4 1502 Siskiyou Shackleford Creek Comment
  HSC49950  Antennaria racemosa G. L. Clifton, Griswold 1979-8-12 13993 Siskiyou Near Isinglass Creek, close to the town of Fort Jones 1952 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
  RSA416680  Antennaria rosea M. B. Dunkle 1945-08 9295 Siskiyou Klamath National Forest Marble Mts. Comment
  JEPS107960  Apera interrupta Lowell Ahart, John Dittes 2005-6-9 12007 Siskiyou Pasture field, 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
  HSC61204  Apocynum androsaemifolium Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS80555  Apocynum androsaemifolium Gilbert Muth 1965-8-6 191 Siskiyou trail backside of Black Mt.; Marble Mt. Wilderness Area, Black Mt. 1920 Comment
  UC164102  Apocynum androsaemifolium Geo. D. Butler 1908-7-20 74 Siskiyou Humbry Creek Comment
  RSA12666  Apocynum androsaemifolium subsp. pumilum C. B. Wolf 1934-7-6 s.n. Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 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
  HSC76934  Aquilegia formosa var. formosa K. T. Stillman 1976-8-7 211 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  RSA183670  Aquilegia formosa var. truncata Gilbert Muth 1965-8-5 173 Siskiyou Marble Mts Comment
  RSA238277  Aquilegia formosa var. truncata Frederick W. Oettinger 1967-8-13 256 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  UC375285  Arabis Geo. D. Butler 1910-7-3 1635 Siskiyou Goosenest foothills Goosenest 1219 Comment
  HSC77286  Arabis breweri var. breweri L. P. Janeway 1983-9-10 650 Siskiyou S ridge of Little Grayback Mtn. 1738 Comment
  HSC6547  Arabis divaricarpa Dorothy Parker 1949-5-28 305 Siskiyou Kidder Creek, Salmon Mtns. Range 915 Comment
  RSA0126137  Arabis divaricarpa var. interposita Geo. D. Butler 1910-6-5 1547 Siskiyou Log Lake, Shackleford Creek. Comment
  UC61173  Arabis glabra W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  UC855411  Arabis glabra A. A. Heller 1916-6-23 12437 Siskiyou n of Sisson (near Black Butte) 1127 Comment
  UC165312  Arabis holboellii Geo. D. Butler 1910-7-8 1663 Siskiyou Log Lake Shackleford Creek 1219 Comment
  HSC64660  Arabis holboellii var. retrofracta J. O. Sawyer 1977-7-6 3026 Siskiyou South of Little Duck Lake 2134 Comment
  HSC77070  Arabis holboellii var. retrofracta K. T. Stillman 1976-6-26 110 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  UCR179187  Arabis holboellii var. retrofracta Robert E. Preston 2002-7-14 1940 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, north slope of Rainbow Mtn. 1717 Comment
  HSC39216  Arabis modesta J. P. Smith 1976-5-5 8698 Siskiyou Road between Forks of Salmon and Somes Bar 366 Comment
  HSC92696  Arabis oregana J. P. Smith 1973-5-5 6426 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC90602  Arabis platysperma Jennifer Whipple 1976-9-4 1806 Siskiyou Dale Creek drainage on the N face of Mount Eddy. 2195 Comment
  UC722123  Arabis puberula C. L. Hitchcock and J. S. Martin 1939-7-9 5322 Siskiyou 0.5 mi se Kings Castle; Marble Mts. 1828 Comment
  JEPS104823  Arabis subpinnatifida Dean W. Taylor 1996-5-29 15642 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) 1371 Comment
  UC1212569  Aralia californica Francia Chisake and Helen Sharsmith 1959-8-20 4744 Siskiyou Salmon R between Forks of Salmon and Somes Bar (several mi. from Forks of Salmon); Inner North Coast Ranges, Salmon R. 304 Comment
  HSC27591  Aralia californica Carl W. Mize 1972-6-21 70 Siskiyou Along trail by first creek 335 Comment
  CDA22358  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km north of Highway 89 on Forest Road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. 0 Comment
  UC1078861  Arceuthobium campylopodum Job Kuijt 1957-5-21 1359 Siskiyou 5 mi w Mineral (Hwy 36) Comment
  CAS-BOT-BC410078  Arceuthobium douglasii Louis C. Wheeler 1934-6-25 2783 Siskiyou West Fork of Cottonwood Creek, Siskiyou Mountains 1371 Comment
  SEINET2471352  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-9-18 2007 -50 Siskiyou 38.7 km N. of St. Rte. 96 on forest road 15N01 (near Rock Creek Butte) 1530 Comment
  JEPS81758  Arctostaphylos klamathensis Albert Seneres, Stephen Edwards, and Nigel Harold 1982-10-5 Siskiyou Terrace Lake 1920 Comment
  HSC67824  Arctostaphylos nevadensis J. O. Sawyer, J. Cole 1980-7-20 3765 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UC456164  Arctostaphylos nevadensis I. J. Condit 1911-7-22 Siskiyou Shasta trail below Horse Camp 2286 Comment
  UCD146712  Arctostaphylos nevadensis G. F. Hrusa 1998-7-5 14683 Siskiyou south side of pass on Happy Camp-O' Brien Road around side of State Boundary, above Indian Creek Camp. 750 Comment
  CAS-BOT-BC46470  Arctostaphylos patula Alice Eastwood 1921-7-31 11022 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC46476  Arctostaphylos patula Charles H. Lamoureux; Lalit Srivastava; Roman Gankin 1957-11-4 260 Siskiyou US Highway 199, e. side of hwy, approximately 2 mi. n. of Weed. Comment
  CAS-BOT-BC46478  Arctostaphylos patula L. R. Abrams 1922-8-7 9917 Siskiyou 1 mi. s. of Weed. Comment
  HSC73302  Arctostaphylos patula Gail Newton 1980-6-20 530 Siskiyou Near Bald Mtn. 1326 Comment
  JEPS42625  Arctostaphylos patula Geo. D. Butler 1909-4-11 640 Siskiyou Shasta Retreat Comment
  UC618622  Arctostaphylos patula W. Bridge Cooke 1938-6-17 11016 Siskiyou Sisson Southern Trail Mount Shasta Comment
  UC673189  Arctostaphylos patula Lincoln Constance and Reed C. Rollins 1942-5-14 2921 Siskiyou 3 mi w Yreka (road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
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Mar 27 2013
  UC674758  Arctostaphylos patula C. Hart Merriam and V. B. 1899-10-6 Siskiyou Sisson Comment
  SD51278  Arctostaphylos viscida Darley F. Howe 1961-8-3 3128 Siskiyou 36 miles east of Happy Camp on Highway 96. 490 Comment
  CAS-BOT-BC47009  Arctostaphylos viscida subsp. viscida Ira L. Wiggins 1955-7-23 13462 Siskiyou Ridge w. of China Creek, s. side of s. fork of Salmon River. 960 Comment
  RSA165624  Arenaria congesta Clare B. Hardham 1961-6-30 7993 Siskiyou Near White Mt. Comment
  UC166109  Arenaria congesta var. suffrutescens Geo. D. Butler 1910-6-5 1514 Siskiyou Log Lake Comment
  CDA34594  Arenaria kingii var. glabrescens M. Beyers, G. F. Hrusa 2010-8-18 706 Siskiyou Highway 3; +/- south of Callahan, just N of where Pacific Crest Trail intersects hwy. 1638 Comment
  HSC97653  Arenaria serpyllifolia Juha Pykala, D. H. Norris 1987-6-26 2088 Siskiyou Marble Mtn. Wilderness Area, 0-3 km below Bear Lake, above Bear Creek 1200 Comment
  UC726140  Arnica chamissonis A. A. Heller 1940-7-23 15757 Siskiyou Grass Lake 1561 Comment
  POM253187  Arnica chamissonis subsp. foliosa A. A. Heller 1938-7-13 15270 Siskiyou 1 mile south of Bray 1402 Comment
  HSC82255  Arnica cordifolia Thomas W. Nelson, Jane P. Nelson 1980-7-20 6178 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  SEINET6774985 Image available Arnica cordifolia G. D. Butler 1910-4-21 1216 Siskiyou Dry hills Oro Fiero [illegible] Comment
  CHSC71562  Arnica discoidea Vernon H. Oswald; Lowell Ahart 1998-8-3 9424 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  JEPS13128  Arnica lanceolata subsp. prima Ruby Van Deventer 1955-8-1 1000 Siskiyou near, close to Del Norte Co line Doe Flat; Del Norte County Line, South Fork Clear Creek 1310 Comment
  CAS-BOT-BC82660  Arnica latifolia H. A. Thomas; J. H. Thomas 1954-7-24 4490 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC82666  Arnica latifolia John Thomas Howell 1937-7-26 13552 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC82668  Arnica latifolia John Thomas Howell 1939-8-2 14909 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC95131  Arnica latifolia L. P. Janeway 2006-7-2 8749 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope above the creek. 1762 Comment
  HSC61824  Arnica latifolia Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  RSA237422  Arnica latifolia Frederick W. Oettinger 1967-7-30 220 Siskiyou Near the campsite at the N end of Abbotts lake . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  UC722579  Arnica latifolia C. L. Hitchcock and J. S. Martin 1939-7-7 5233 Siskiyou on rd to Bolan Lake ((5 mi from cut-off at juction with Takilma-Happy Camp rd)) 1767 Comment
  SEINET3098725 Image available Arnica latifolia var. viscidula Eleanor Burks Hart 1938-8-17 915 Siskiyou Upper Wright Lake. 2230 Comment
  HSC92873  Arnica mollis Jennifer Whipple 1977-8-6 2235 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1408807  Arnica mollis Robert F. Thorne and Fred Oettinger 1969-8-10 38974 Siskiyou dryer portion of meadows, along small creek in forest Panther Creek Meadows; Mt. Shasta National Forest, Mt. Shasta, Panther Creek Meadow 2194 Comment
  UCD129198  Arnica mollis A. H. Murphy 1956-8-16 56 Q Siskiyou Klamath N.F. 1981 Comment
  UC1408812  Arnica nevadensis Frederick W. Oettinger 1969-7-28 1082 Siskiyou nw above Upper English Peak; Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  JEPS125880  Arnica ovata Dean W. Taylor 1996-7-26 15842 Siskiyou Klamath National Forest; Scott Mountains, Crater Lake, in cirque above upper lake, about 10 air miles W of Weed. Comment
  CAS-BOT-BC90090  Arnica viscosa Bassett Maguire 1939-8-8 13833 Siskiyou in the valley of Horse Camp Creek 2468 Comment
  HSC62123  Arnica viscosa Al Hobart 1960-7-25 Siskiyou Preston Peak Comment
  HSC62124  Arnica viscosa Al Hobart 1960-9-20 Siskiyou Preston Peak Comment
  CAS-BOT-BC90096  Artemisia Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  SFV8414  Artemisia campestris subsp. borealis J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3750 Siskiyou Marble Mountain Wilderness Area. Southwestern ridge of Black Mountain. Southeast facing slope on decomposed marble scree. 2134 Comment
  HSC42936  Artemisia douglasiana Ken Stillman 1976-8-24 436 Siskiyou Along Klamath River at Williams Point. 366 Comment
  JEPS36959  Artemisia douglasiana Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento River, southern Siskiyou County Comment
  CAS-BOT-BC90475  Artemisia douglasiana Geo. D. Butler 1910-7-29 1798 Siskiyou Dampland, Yreka Comment
  HSC1955  Artemisia douglasiana Geo. D. Butler 1910-7-29 1798 Siskiyou Yreka Comment
  CAS-BOT-BC97419  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  HSC85901  Aruncus dioicus var. acuminatus Barry Silver 1986-5-26 658 Siskiyou Elk Creek Rd., 11 mi. S of Happy Camp, base of bridge 7-1949 Comment
  CAS-BOT-BC400586  Asarum caudatum Alice Eastwood 1912-7-17 1174 Siskiyou Sisson Comment
  RSA416094  Asarum caudatum M. B. Dunkle 1945-1 s.n. Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  JEPS94694  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
  SEINET10741565  Asclepias speciosa George D. Butler 1910-8-5 Butler 1813 Siskiyou Dry land, Yreka Comment
  HSC36875  Aspidotis densa J. P. Smith 1974-5-25 7518 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  RSA577265  Aspidotis densa L. C. Wheeler 1934-8-13 3112 Siskiyou East Fork Horse Creek Comment
  UC909315  Aspidotis densa Ira L. Wiggins 1950-5-28 12379 Siskiyou just above Grouse Lake (headwaters of Grouse Creek) 1828 Comment
  RSA119374  Astragalus accidens var. hendersonii S. S. Tillett 1956-7-9 670 Siskiyou Along ridge running n. from NW side of Scott Mtn., between Big Carmen Creek and Mule Creek, Siskiyou-Trinity Cos. line, ca. 8 mi. SE of Callahan. 1951 Comment
  CAS-BOT-BC178802  Astragalus californicus John Thomas Howell; Alice Eastwood 1934-4-20 1739 Siskiyou Near Yreka on Ft. Jones Road Comment
  RSA109723  Astragalus californicus H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1948-7-5 9633 Siskiyou 2 miles SW of Yreka. Alt. 2800 ft. Comment
  CAS-BOT-BC178760  Astragalus canadensis var. brevidens Alice Eastwood; John Thomas Howell 1940-6-14 82 Siskiyou 5 miles W. of Tulelake Comment
  CAS-BOT-BC186917  Astragalus inversus Dean Wm. Taylor; Rexford E. Palmer; Glenn L. Clifton; Roy Buck 1987-6-24 9049 Siskiyou Vicinity of Mud Well, McCloud River headwaters 1402 Comment
  UC83718  Astragalus lentiginosus var. chartaceus Katharine Brandegee July 1887 Siskiyou Montagne Comment
  CAS-BOT-BC192916  Astragalus purshii var. lectulus Copeland 1903-7-6 3557 Siskiyou Hornbrook Comment
  RSA583142  Astragalus purshii var. purshii Louis C. Wheeler 1935-6-9 3564 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  CAS-BOT-BC193062  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowman's Valley, [Noyes Valley], east fork of Scott River Comment
  UC69534 Image available Astragalus purshii var. tinctus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  RSA47607  Astragalus purshii var. tinctus Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11710 -A Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott River. Comment
  CAS-BOT-BC199146  Astragalus whitneyi var. siskiyouensis John Thomas Howell; Alice Eastwood 1937-6-25 5019 Siskiyou Scott Mts. S of Callahan Comment
  UC1001185  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1953-7-20 547 Siskiyou Cabin Meadow Creek near Cory Peak (Siskiyou Mountains, dry rocky hillside); Siskiyou Mountains, Cabin Meadow Creek nr Cory Peak 1981 Comment
  CAS-BOT-BC198708  Astragalus whitneyi var. siskiyouensis A. A. Heller 1915-8-26 12220 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  CAS-BOT-BC198714  Astragalus whitneyi var. siskiyouensis Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou 2 miles up Scott Mt. grade. Comment
  HSC81988  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1979-6-16 4868 Siskiyou Along Hwy. 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  CAS-BOT-BC69571  Athyrium alpestre subsp. americanum W. B. C. 1938-9-8 11617 Siskiyou Panther Creek Glacial Meadow, Mount Shasta. More common near Horse Camp. 2590 Comment
  UCD78115  Athyrium alpestre var. americanum Robert E. Preston 2002-7-14 1935 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1981 Comment
  UC42680  Athyrium distentifolium var. americanum W. H. Brewer 1862-9-13 1372 Siskiyou Mt Shasta 2743 Comment
  HSC61203  Athyrium distentifolium var. americanum Al Hobart Siskiyou El Capitan Comment
  POM197146  Athyrium filix-femina subsp. cyclosorum Geo D. Butler 1910-07 1675 Siskiyou Schackleford Creek 1220 Comment
  RSA577149  Athyrium filix-femina subsp. cyclosorum L. C. Wheeler 1934-8-10 3094 Siskiyou Siskiyou Mountains, Jaynes Canyon 1372 Comment
  HSC35795  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-6-18 171 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC43816  Balsamorhiza deltoidea M. A. Baker 1977-5-22 327 Siskiyou One mile west of Hwy. 3, on the road to Little Duck and Sugar Lakes Comment
  UC1732045  Balsamorhiza lanata Dean W. Taylor 1997-6-12 16067 Siskiyou ca. 4 mi. w. Gazelle (hillslopes at base of Scott Mts. at mouth of Willow Creek, Shasta Valley, Scott Mts.); Klamath Region (eKR), Scott Mts., China Mt. Quad., Shasta Va 944 Comment
  CDA24680  Barbarea orthoceras G. Deal 1968-5-2 Siskiyou 1 mile south of Hornbrook. 0 Comment
  HSC77424  Barbarea orthoceras L. P. Janeway 1983-9-11 673 Siskiyou Poker Flat 1524 Comment
  UC642586  Barbarea orthoceras unknown 1939-6-23 13509 Siskiyou Bear Springs meadow; Mount Shasta Comment
  POM94780  Barbarea orthoceras Geo. D. Butler 1910-7-7 1659 Siskiyou Shackleford Creek. 1220 Comment
  RSA482826  Barbarea orthoceras Christopher Davidson 1975-6-5 2666 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
  CAS-BOT-BC75730  Berberis nervosa Geo. D. Butler 1910-5-5 1287 1/2 Siskiyou Humbug Creek. Comment
  HSC5005  Berberis nervosa J. O. Sawyer 1968-6-18 186 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC65539  Berberis nervosa R. White 1977-6-4 74 Siskiyou E shore of Buck Lake 1293 Comment
  UC1483425  Berberis nervosa John Palmer 1980-8-15 980 Siskiyou ne of Seiad Low Gap (on spur of F.S. Rd 46N50); Seiad Valley Quadrangle 1097 Comment
  CAS-BOT-BC75919  Berberis piperiana Doris K. Kildale 1929-4-27 7583 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  CAS-BOT-BC76027  Berberis repens Mrs. Van Fassen 1926-3-27 s.n. Siskiyou Dunsmuir. Comment
  RSA47635  Betula occidentalis Roxana S. Ferris, Laura Lorraine 1948-6-16 11823 Siskiyou East fork of Scott River drainage, Parker Ranch, Plowmans (Noyes) Valley. 1204 Comment
  CAS-BOT-BC102125  Bidens cernua Verne Grant; Irving Schneider 1947-8-26 8295 Siskiyou Irrigation ditch west of Tule Lake Comment
  CAS-BOT-BC127937  Blepharipappus scaber Ayers; T. S. Brandegee 1887-6-1 s.n. Siskiyou unspecified Comment
  RSA256697  Blepharipappus scaber J. P. Smith 1974-5-25 7506 Siskiyou Along road 8, 2.4 miles west of its junction with State Route 3. 976 Comment
  UC166142  Boechera acutina Geo. D. Butler 1910-7-5 1524 Siskiyou Log Lake Shackleford Creek Comment
  JEPS77451  Boechera breweri W. J. Ferlatte 1974-7-25 1586 Siskiyou 100 yds n Dorleska Summit (Grouse Ridge on Trinity Co. line); Trinity Alps, Grouse Ridge 2103 Comment
  JEPS60252  Boechera breweri subsp. shastaensis L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2319 Siskiyou 15 mi from U.S. Highway 99 (off the Gilman Raod, on n side of McCloud River arm of Lake Shasta) 487 Comment
  CHSC471  Boechera lyallii V. Holt 1943-8-8 Siskiyou Marble Mountains. 1828 Comment
  CAS-BOT-BC14112  Boechera pauciflora Alice Eastwood; John Thomas Howell 1934-4-20 1768 Siskiyou Near Yreka along Shasta River. Comment
  CAS-BOT-BC14668  Boechera rectissima Alice Eastwood 1923-5-22 11895 Siskiyou Sissons, road to Mount Shasta. Comment
  CAS-BOT-BC14666  Boechera rectissima Alice Eastwood 1921-7-30 11003 Siskiyou Soda Creek. Comment
  CAS-BOT-BC25625  Boechera retrofracta Lincoln Constance; Reed Clark Rollins 1942-5-13 2914 Siskiyou Scott River 10 miles southwest of Scott Bar. 609 Comment
  CAS-BOT-BC25617  Boechera retrofracta Alice Eastwood; John Thomas Howell 1937-6-26 5031 Siskiyou Near Etna. Comment
  CHSC464  Boechera subpinnatifida E. England 1939-7-16 Siskiyou Mt. Eddy. Comment
  HSC811  Boykinia major William J. Ferlatte 1967-7-26 738 Siskiyou Caribou Basin 1982 Comment
  HSC96288  Boykinia major Gordon Leppig 1998-8-14 1009 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  UC1190155  Boykinia major Ira L. Wiggins 1955-7-29 13588 Siskiyou along Thompson Creek 3.5 mi above South Fork of Salmon River; about South Fork of Salmon River, Thompson Creek 1371 Comment
  HSC64835  Boykinia occidentalis J. P. Smith, Steve Selva 1970-6-15 3914 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UC1211915  Boykinia occidentalis Roy L. Taylor 1960-6-12 4449 Siskiyou on Hwy 96, 46.5 mi sw of Happy Camp bridge over Klamath River; sw of bridge over Klamath River Comment
  CAS-BOT-BC100469  Brickellia californica Louis C. Wheeler 1934-9-15 3264 Siskiyou Walker, Klamath River, Siskiyou Mts. 518 Comment
  RSA238756  Brickellia grandiflora Frederick W. Oettinger 1968-8-23 611 Siskiyou Base of cliff due ENE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCSB13157  Brodiaea coronaria Breedlove, Dennis 1962-6-10 Siskiyou Grassy roadbank along Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  SEINET10533839  Brodiaea multiflora George D. Butler 1910-5-18 Butler 1361 Siskiyou Dry hill. Yreka. Comment
  CHSC98795  Bromus J. K. Nelson; Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -018 Siskiyou North side of Mt. Shasta, south of Hwy 97; Hotlum Fire area burned in February 2006. 1090 Comment
  CDA1788  Bromus briziformis Don Shaw 1971-9-7 Siskiyou Ball Mountain Road, 12 miles east of Montague. 0 Comment
  RSA602812  Bromus carinatus L. C. Wheeler 1935-6-4 3548 Siskiyou Etna, Scott Valley 899 Comment
  UCD58313  Bromus carinatus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3388 Siskiyou At Weed. Comment
  CAS-BOT-BC149057  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest Foothills. Comment
  UCD59177  Bromus carinatus var. marginatus Geo. D. Butler 1909-5-21 815 Siskiyou Near Yreka. Comment
  CAS-BOT-BC155963  Bromus commutatus William A. Dayton Jr. 1912-7-28 159 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  UC618657  Bromus hordeaceus W. Bridge Cooke 1938-7-15 11216 Siskiyou above Bear Springs (Mount Shasta); Mount Shasta 1676 Comment
  RSA238370  Bromus marginatus Frederick W. Oettinger 1969-9-4 1628 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCR37855  Bromus marginatus K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  HSC103021  Bromus orcuttianus J. P. Smith 2014-6-6 13878 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  HSC42894  Bromus orcuttianus Ken Stillman 1976-8-15 410 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  RSA239074  Bromus orcuttianus Frederick W. Oettinger 1969-9-4 1639 Siskiyou On south side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UCD59078  Bromus orcuttianus R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge between Yreka and Fort Jones. 1828 Comment
  CAS-BOT-BC185094  Bromus pumpellianus A. A. Heller 1905-6-1 7935 Siskiyou Along the Sacramento River near Shasta Retreat. Between Upper Soda Spring and Shasta Retreat. 3048 Comment
  CAS-BOT-BC162006  Bromus racemosus John Thomas Howell 1952-6-14 28350 A Siskiyou East of Etna on Fort Jones-Callahan Road. Comment
  CAS-BOT-BC161629  Bromus sterilis Isabelle C. Kimber 1934-6-9 9 Siskiyou Mount Shasta north slope. 1219 Comment
  HSC30544  Bromus suksdorfii Frederick W. Oettinger 1968-8-24 624 Siskiyou Marble Mountain Wilderness Area, NE of Crapo Ridge above Tom Taylor Cabin 1890 Comment
  UC1495324  Bromus suksdorfii Robert T. Clausen and Harold Trapido 1940-7-26 4950 Siskiyou Mount Shasta, along e side of canyon of Mud Creek, Sacramento River Basin Mount Shasta; Pacific Slope, S Cascade Mountains, Sacramento River Basin 1584 Comment
  CAS-BOT-BC161409  Bromus tectorum William Bridge Cooke 1938-7-1 11159 Siskiyou Above Bear Spring near the Bear Spring-Wagon Camp Road. 1676 Comment
  CAS-BOT-BC185593  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague. Comment
  CAS-BOT-BC185596  Bromus tectorum Roxana S. Ferris; Laura Lorraine 1941-8-11 10498 Siskiyou Grass Lake Station, on U.S. Highway 97. 1554 Comment
  CAS-BOT-BC185606  Bromus tectorum William A. Dayton 1912-7-28 153 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  CHSC91335  Bromus tectorum Lowell Ahart; John Dittes 2005-6-9 12010 Siskiyou Pasture field, 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
  HSC30543  Bromus tectorum Frederick W. Oettinger 1969-8-18 1432 Siskiyou Marble Mtn. Wilderness Area, NE of Horse Range Lake 1860 Comment
  HSC43469  Bromus tectorum Maralyn O'Meara 1974-5-25 380 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC816448  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou ne base of Mount Eddy, Metcalf's Ranch Mount Eddy; , Metcalf's Ranch 1188 Comment
  NY664732  Bromus tectorum var. glabratus A. Eastwood 1912-7-17 1126 Siskiyou McCloud Comment
  CAS-BOT-BC185379  Bromus vulgaris Gilbert Muth 1966-7-29 460 Siskiyou Marble Mountains. Marble Valley, by waterfall. 1798 Comment
  UC637096  Bromus vulgaris Annetta Carter 1934-8-13 708 Siskiyou watershed of West Branch Indian Creek (Happy Camp to Waldo (Oregon) Road, Klamath National Forest); Klamath National Forest 1463 Comment
  UCD60239  Bromus vulgaris Robert E. Preston 2001-7-20 1688 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, N of Hemlock Lake. 1731 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
  CAS-BOT-BC185263  Calamagrostis koelerioides Doris K. Kildale 1928-8-20 6621 Siskiyou Hancock Lookout, on trail to Marble Mountain. 2151 Comment
  CAS-BOT-BC185266  Calamagrostis koelerioides John Thomas Howell 1937-7-25 13451 Siskiyou Caribou Basin, Salmon Trinity Alps. 2286 Comment
  UC1409232  Callitriche verna Frederick W. Oettinger 1969-8-15 1388 Siskiyou inlet meadowto Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1767 Comment
  UC163689  Callitriche verna Geo. D. Butler 1908-12-27 1540 Siskiyou creek near Oro Fino Comment
  HSC32290  Callitropsis nootkatensis J. O. Sawyer 1971-6-29 2392 Siskiyou Elk Hole 1524 Comment
  JEPS39841  Calocedrus decurrens Geo. D. Butler 1908-11-1 547 Siskiyou Butler's Ranch Quartz Valley, Butlers Ranch Comment
  CAS-BOT-BC487853  Calochortus coeruleus Roxana S. Ferris; Laura Lorraine 1948-6-12 11738 Siskiyou French Creek logging road west of Callahan 1219 Comment
  CHSC41222  Calochortus nudus J. D. Jokerst 1983-7-6 1833 Siskiyou Sand Flat Well. Near the north-south oriented USFS road that traverses east edge of meadow. Ca. 5 mi. N of Pondosa and Hwy. 89. Comment
  SBBG25936  Calochortus nudus D. Myrick 1966-8-9 1503 Siskiyou Lake Josephine, Mountain Meadow Ranch, Big Flat 1828 Comment
  RSA0120948  Caltha biflora G. D. Barbe 1955-7-6 124 Siskiyou SE end of Taylor Lake, Salmon Mtns. 1951 Comment
  CAS-BOT-BC181518  Caltha leptosepala Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC273390  Calycadenia fremontii David D. Keck 1946-7-14 5693 Siskiyou Klamath River, 2 mi. N. of Somes Bar 213 Comment
  JEPS30009  Calycadenia truncata Geo. D. Butler 1908-8-2 343 Siskiyou roadside near, Greenview; Scott Valley Comment
  UCD129886  Calycadenia truncata R. L. Carr 1974-9-12 2160 Siskiyou 0.4 mile east of Somesbar on Salmon River Road. 195 Comment
  POM208289  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-6-26 2787 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts 762 Comment
  CAS-BOT-BC272752  Calycadenia truncata subsp. truncata Ella Dales Cantelow 1938-10-23 2378 Siskiyou 16 mi. n.w. of Yreka, Klamath River Hy. #96 Comment
  SJSU9826  Calyptridium umbellatum M. D. Fleschner 1965-7-13 Siskiyou slope above Horse Camp on Mt Shasta 2438 Comment
  CAS-BOT-BC221257  Calystegia malacophylla subsp. malacophylla Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC221255  Calystegia malacophylla subsp. malacophylla A. A. Heller 1919-6-27 13280 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC37000  Camelina microcarpa Carl B. Wolf 1934-7-6 5977 Siskiyou Southwest slope of Mount Shasta. 0.25 mile east of Mount Shasta City. 1097 Comment
  RSA12608  Camelina microcarpa C. B. Wolf 1934-7-6 5977 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  RSA120905  Camelina microcarpa Milo S. Baker 1957-6-15 13102 Siskiyou Just south of Weed. Comment
  RSA453344  Camissonia tanacetifolia subsp. tanacetifolia E. Yale Dawson 1948-7-15 5098 Siskiyou Grass Lake, a drying vernal lake north of Mount Shasta 1524 Comment
  SEINET10462935  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5960 Siskiyou NR MERRILL CR., FORKS OF SALMON QUAD. NR ORLEANS 1152', COBBLY SOIL Comment
  SEINET10840323  Campanula prenanthoides Muth 1975-8-1 MUTH s.n. Siskiyou Near Sutcliffe Creek, on the Preston Peak quadrangle; close to the town of Happy Camp 1341 Comment
  SEINET10840344  Campanula prenanthoides Muth 1976-7-29 MUTH s.n. Siskiyou NR KUNTZ CR, SEIAD V. QUAD, NR SEIAD VALLEY 6001', FOREST FLOOR, COBBLY SOIL Comment
  UC164334  Campanula prenanthoides Geo. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain 1219 Comment
  SEINET10463007  Campanula prenanthoides Young 1921-9-15 YOUNG ? Siskiyou ETNA MILLS Comment
  SEINET10463113  Campanula prenanthoides Willis L. Jepson 1914-8-14 Jepson 6172 Siskiyou DUNSMUIR 671 Comment
  SEINET10463226  Campanula prenanthoides James P. Smith, Steven B. Selva 1970-7-15 Smith, Jr. 4340 Siskiyou KLAMATH NATL FOR., RD TO HAPPY CAMP MIXED CONIFEROUS FOREST. T18N R7W SEC 25 NW 1/4 732 Comment
  SEINET10463303  Campanula prenanthoides Cyrus G. Pringle 1881-8-16 Pringle s.n. Siskiyou DRY WOODS Comment
  SEINET10873251  Campanula prenanthoides Mize 1972-6-21 MIZE 72 Siskiyou Forks of Salmon quad, past first creek along trail. T12N R7E Sec. 31 305 Comment
  SEINET10905935  Campanula prenanthoides Alice Eastwood 1912-7-23 Eastwood 1334 Siskiyou Cantara Comment
  SEINET10939016  Campanula prenanthoides Hutchinson 1932-7-7 HUTCHINSON 4226 Siskiyou Salmon Mountains; near north Fork of Salmon River between Sine's Bar and Fork of Salmon 274 Comment
  CAS-BOT-BC266465  Campanula wilkinsiana A. A. Heller 1920-8-12 13518 Siskiyou About the spring above Horse Camp, Mount Shasta Comment
  CAS-BOT-BC266467  Campanula wilkinsiana R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mount Shasta Comment
  JEPS79759  Campanula wilkinsiana L. R. Heckard 1967-8-14 1731 Siskiyou above (second spring on side canyon) Horse Camp (sw flank of Mt. Shasta); Mt. Shasta 2560 Comment
  RSA211345  Campanula wilkinsiana William J. Ferlatte 1966-8-19 446 Siskiyou Kidd Creek Trail. 1829 Comment
  CAS-BOT-BC37194  Capsella bursa-pastoris John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53373 Siskiyou Grenada. Near the railroad station. 792 Comment
  CDA3672  Capsella bursa-pastoris G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2580 Siskiyou Grenada, around abandoned railroad station building and tracks. Comment
  RSA233659  Cardamine bellidifolia R. F. Thorne, Frederick W. Oettinger 1969-8-10 39009 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC37314  Cardamine breweri Reed Rollins 1939-6-23 13508 Siskiyou Mount Shasta. Bear Springs. 1524 Comment
  JEPS53313  Cardamine breweri Milo S. Baker 1899-7-31 Siskiyou Ash Creek above Warren and Anderson's Mill (on McCloud River near Bartles, e slope Mount Shasta); e slope Mt. Shasta, Ash Creek, McCloud River Comment
  UC166117  Cardamine nuttallii Geo. D. Butler 1909-3-22 566 Siskiyou Scott River <N?> <S?> Oro Fino; Scott River <?> of Oro Fino Comment
  JEPS116630  Carduus nutans Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -005 Siskiyou North side Mt. Shasta, south of Hwy 97 Mt. Shasta 1090 Comment
  UC833305  Carex abrupta John Thomas Howell 1939-8-5 15066 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  SEINET7273505 Image available Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  POM81701  Carex angustata Geo D. Butler 1909-6-22 855 Siskiyou Goosenest Foothills 1524 Comment
  HSC79089  Carex aquatilis var. dives L. P. Janeway 1983-8-16 552 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  UCR228240  Carex atherodes Peter F. Zika 2010-7-21 25197 Siskiyou Cascade Range Highlands, Grass Lake, on north side of Route 97, 0.4 road miles east northeast of Grass Lake Rest Area 1540 Comment
  CHSC107146  Carex athrostachya R. E. Brainerd 2009-7-21 1532 Siskiyou Trinity Mountains, Gumboot Meadow; 12.2 air miles west of Dunsmuir. UTM Zone 10 541147E 4562996N. 1821 Comment
  SEINET10644707  Carex athrostachya Edwin B. Copel 1903-9-7 Copeland 3866 Siskiyou Mt. Eddy. 2134 Comment
  HSC77171  Carex brainerdii L. P. Janeway 1983-6-25 336 Siskiyou Cutbank of dirt road, 0.5 mi. N of W Branch USFS Station 671 Comment
  CAS-BOT-BC34157  Carex breweri Robert F. Thorne; Frederick W. Oettinger 1969-8-10 38982 Siskiyou Mt. Shasta National Forest. S slope of Mt. Shasta. 2438 Comment
  HSC76384  Carex concinnoides L. P. Janeway 1982-6-22 21 Siskiyou 400 m NE of West Branch Guard Station near road to Indian Creek, 15 m below road, near creek 671 Comment
  CAS-BOT-BC34376  Carex cusickii John Thomas Howell 1937-7-23 13335 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC34881  Carex deflexa var. boottii John Thomas Howell 1939-8-3 15007 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CHSC88400  Carex dudleyi Jenny Marr 1993-7-1 159 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS84180  Carex echinata subsp. echinata L. R. Heckard with J. Hickman 1986-7-16 6444 Siskiyou se Red Butte (ca. 5 mi n of the town of Seiad Valley); Lily Pad Lake 1770 Comment
  POM80849  Carex feta Geo D. Butler 1910-7-15 1785 Siskiyou Oro Fino Comment
  JEPS100298  Carex halliana Dean W. Taylor 2001-8-28 17906 Siskiyou Mt. Shasta; western base of Ash Creek Butte 1767 Comment
  SEINET12649459 Image available Carex hassei Peter F. Zika, Barbara Wilson 2011-1 25668 Siskiyou 1600 Comment
  CAS-BOT-BC28086  Carex hoodii Rimo Bacigalupi 1959-7-2 7233 Siskiyou Big Flat Campground, headwaters of South Fork of the Salmon River, 1508 Comment
  UC1608359  Carex integra J. Kierstead 1991-7-3 91 -90 Siskiyou Fawn Creek Meadow Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1828 Comment
  CHSC109983  Carex interior Peter F. Zika; Barbara Wilson 2011-7-31 25669 Siskiyou FS Road 41N03, 1.6 road miles from junction with Gazelle-Callahan Road, 1.5 air miles NE of Mountain House, 3.5 air miles NW of Crater Lake, Scott Mountains, Klamath Range (KR). 1600 Comment
  SEINET3902483  Carex jepsonii D. H. Norris, T. Nelson; Steve Dowty 1971-7-23 19530 Siskiyou Along State Route 89 at Snowman's Hill Summit about 3 miles east of McCloud, CA.; 0 Comment
  UC1265338  Carex laeviculmis Frederick W. Oettinger and R. F. Thorne 1969-8-4 1179 Siskiyou just n Tobacco lake; Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC48036  Carex laeviculmis D. H. Norris 1972-6-11 22842 Siskiyou Along Duck Lakes Trail near Parrott's Mill Rd. 1677 Comment
  UC630392  Carex lenticularis var. impressa Annetta Carter 1939-8-20 1461 Siskiyou 12 mi sw Etna (nw side of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  CAS-BOT-BC28427  Carex lenticularis var. lipocarpa Doris K. Kildale 1928-8-19 6555 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  CHSC107133  Carex leptopoda R. E. Brainerd 2009-7-22 1554 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of Weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  HSC69564  Carex leptopoda Maralyn A. Renner 1980-8-6 2273 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC1598403  Carex luzulina var. luzulina Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-2 4456 Siskiyou Panther Meadow on s side of mountain Shasta National Forest, Mt. Shasta Comment
  CHSC96143  Carex mertensii L. P. Janeway 2006-7-1 8718 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  HSC60835  Carex microptera Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS121396  Carex multicaulis Peter F. Zika & Julie Nelson 2012-6-21 25909 Siskiyou ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles E of junction with 42N19 Comment
  UCD77461  Carex multicaulis Robert E. Preston 2001-6-23 1547 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  HSC85837  Carex multicaulis L. P. Janeway 1983-8-7 524 Siskiyou Along S Fork Indian Creek Rd. (FS 17N32), 18 mi. from Indian Creek Rd. 1433 Comment
  HSC91358  Carex multicostata Jennifer Whipple 1978-10-6 2407 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  HSC101149  Carex nardina Dana York 2011-9-8 3087 Siskiyou Klamath National Forest, slopes of Kings Castle 2175 Comment
  CAS-BOT-BC119900  Carex nebrascensis Lewis Samuel Rose 1937-7-3 37395 Siskiyou Weed. 944 Comment
  RSA48014  Carex nebrascensis Roxana S. Ferris, Laura Lorraine s.n. Siskiyou East fork of Scott River drainage, Parker Ranch, Plowman s [Noyes] Valley. 1204 Comment
  UCD77459  Carex nervina Robert E. Preston 2001-6-23 1542 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1706 Comment
  UC1265348  Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou n side English Peak; Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  SEINET7569426 Image available Carex nudata John Thomas Howell, T. C. Fuller, G. D. Barbe 1980-4-29 53432 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle. 991 Comment
  SEINET4290229 Image available Carex pachycarpa Unknown 2008-1 9502 Siskiyou Klamath Ranges; Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass, 0.4 km southeast of Red Butte. Comment
  CAS-BOT-BC119126  Carex phaeocephala William Bridge Cooke 1939-7-26 13756 Siskiyou Along the Summit Trail in the vicinity of Lake Helen. Mount Shasta. 3048 Comment
  CHSC102573  Carex phaeocephala L. P. Janeway 2009-8-4 9899 Siskiyou High Cascade Range. Mt. Shasta, north slope, 3.7 air km south-southwest of Northgate Trailhead along a small creeklet. 2783 Comment
  CAS-BOT-BC118792  Carex preslii William Bridge Cooke 1939-7-21 13730 Siskiyou In small bog around lower Wagon Camp Springs 1737 Comment
  UCD77470  Carex raynoldsii Robert E. Preston 2002-6-21 1868 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1659 Comment
  HSC76830  Carex rostrata L. P. Janeway 1982-7-2 37 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  HSC85841  Carex rostrata L. P. Janeway 1983-8-16 551 Siskiyou Poker Flat 1524 Comment
  CHSC106518  Carex scabriuscula Peter F. Zika 2009-6-18 24536 Siskiyou Klamath Range (KR). Meadow near Pacific Crest Trail, Route 3, Scott Mountain Summit. 1640 Comment
  HSC62622  Carex scabriuscula Al Hobart 1968-6-9 Siskiyou Youngs Valley Comment
  HSC85805  Carex scopulorum var. bracteosa L. P. Janeway 1983-8-28 638 Siskiyou Poker Flat 1529 Comment
  HSC96567  Carex scopulorum var. bracteosa Gordon Leppig, J. Kalt 1996-7-9 361 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CDA33144  Carex senta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2636 Siskiyou Between highway and East Fork of Scott River, ca. 500 ft east of Highway 3 bridge, 2 miles east of Callahan. Comment
  UCR246368  Carex serratodens Peter F. Zika 2011-7-7 25546 Siskiyou Klamath Range (KR), West side Route 3, 0.8 miles north of Soap Creek Road, 3.5 air miles NW of Bally Mountain 1000 Comment
  HSC69359  Carex spectabilis Maralyn A. Renner 1980-8-19 2486 Siskiyou S side of Caribou Lake 2104 Comment
  HSC76665  Carex spectabilis K. T. Stillman 1976-7-23 307 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC77253  Carex spectabilis L. P. Janeway 1983-7-9 392 Siskiyou S side of Indian Creek at FS 17N32 crossing 1159 Comment
  JEPS109229  Carex stipata var. stipata D. W. Taylor 2004-7-19 19185 Siskiyou Weed, wet meadow just E of town limits along Boles Creek Comment
  CAS-BOT-BC115839  Carex subfusca Alice Eastwood 1921-7-25 10830 Siskiyou Bigelows on the McCloud R. Comment
  CAS-BOT-BC115861  Carex subfusca 1902-9-8 5129 Siskiyou Horse Camp. Mt. Shasta 2590 Comment
  CAS-BOT-BC115852  Carex subfusca William Bridge Cooke 1940-8-8 15540 Siskiyou Along the upper Squaw Valley Creek in a meadow-like area fed by springs. 1737 Comment
  SEINET8573781 Image available Carex subfusca Unknown 2009-1 24599 Siskiyou Comment
  HSC30551  Carex vesicaria Frederick W. Oettinger 1968-9-4 693 Siskiyou Marble Mtn. Wilderness Area, W shore of Abbotts Lake 1723 Comment
  HSC76829  Carex vesicaria L. P. Janeway 1982-7-2 38 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  CAS-BOT-BC114817  Carex whitneyi J. Major 1961-7-14 645 Siskiyou In Mud Creek, Mount Shasta. 1706 Comment
  HSC30461  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, inlet stream to Little Hancock Lake 2043 Comment
  HSC736  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn. 2470 Comment
  SEINET12027445  Castanopsis chrysophylla M. Ownbey, Meyer, F. G. 1940-1 2222 Siskiyou along Indian Creek,11mi above Happy Camp Comment
  UCR93375  Castilleja Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  JEPS46015  Castilleja applegatei subsp. pinetorum L. R. Heckard 1956-8-7 829 Siskiyou 10.5 mi ne Weed (along U.S. Hwy 97, n of Mt. Shasta) Comment
  RSA211407  Castilleja applegatei subsp. pinetorum William J. Ferlatte 1967-7-26 751 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  RSA296405  Castilleja applegatei subsp. pinetorum Lincoln Constance, R. C. Bacigalupi, Joseph P. Tracy 1951-6-16 3452 Siskiyou Along trail ascending Little Grayback from the summit of the Takilma-Happy Camp road. Siskiyou-Del Norte Co. boundary. 1707 Comment
  CAS-BOT-BC243767  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-6 9373 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  JEPS32674  Castilleja arachnoidea Paul C. Hutchison 1962-8-2 926 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  UC1216704  Castilleja arachnoidea W. B. and V. G. Cooke 1962-8-18 33526 Siskiyou near Horse Camp; Mt. Shasta 2377 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
  RSA142620  Castilleja arachnoidea subsp. schizotricha Philip A. Munz 1960-8-22 24190 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  POM266359  Castilleja arachnoidea subsp. shastensis Marion Ownbey, Fred G. Meyer 1940-7-4 2190 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  POM43115  Castilleja lacera Geo. D. Butler 1910-5-26 1407 Siskiyou Damp meadows near Guka [Yreka?] Comment
  CAS-BOT-BC254108  Castilleja miniata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Skyhigh Lake Comment
  UC163709  Castilleja miniata Geo. D. Butler 1910-6-3 1472 Siskiyou Quartz Valley Comment
  CAS-BOT-BC254099  Castilleja miniata Joy D. Mastrogiuseppe 1974-9-2 167 Siskiyou West slope of ridge of Red Rock Mountain 2164 Comment
  CAS-BOT-BC254114  Castilleja miniata A. A. Heller 1914-8-26 11716 Siskiyou Deetz Station near Black Butte 1158 Comment
  LA209238  Castilleja miniata Alice Eastwood; 1939-8-24 Siskiyou Mount Shasta, Squaw Valley Creek meadows 2438 Comment
  HSC69502  Castilleja pruinosa John S. Palmer 1980-7-24 646 Siskiyou Dillon Divide 1707 Comment
  HSC72470  Castilleja pruinosa J. P. Smith 1973-5-5 6448 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC76734  Castilleja pruinosa K. T. Stillman 1976-7-15 242 Siskiyou Marble Mountain Wilderness Area. 1951 Comment
  CDA41398  Castilleja pruinosa Vernon H. Oswald & Lowell Ahart 1998-6-11 9189 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  HSC58954  Castilleja schizotricha Gilbert Muth 1975-7-31 4469 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1920 Comment
  JEPS24455  Castilleja schizotricha Al Hobart 1960-7-19 1029 Siskiyou n slope Preston Peak Comment
  JEPS3785  Castilleja schizotricha Geo. D. Butler 1910-7-9 1711 Siskiyou Woolly Creek Comment
  JEPS42356  Ceanothus cordulatus Willis L. Jepson July 1894 14010 Siskiyou near Mt. Shasta (Sisson) Comment
  RSA1103  Ceanothus cordulatus E. R. Johnson 1928-8-31 1198 Siskiyou Betw Battle and McCloud Comment
  JEPS103784  Ceanothus cuneatus var. cuneatus D. Wilken with E. Painter 2003-7-16 16153 Siskiyou near South Fork of Salmon River, near mouth of Butcher Gulch, ca. 6 linear km WNW of Cecilville 610 Comment
  UC375370  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-5-30 667 Siskiyou near Yreka Comment
  JEPS42278  Ceanothus diversifolius F. H. Williams 1 Siskiyou Mt. Shasta Comment
  HSC27646  Ceanothus integerrimus Carl W. Mize 1972-6-8 2 Siskiyou Along main trail 328 Comment
  HSC59645  Ceanothus integerrimus J. P. Smith, Steve Selva 1970-6-16 4086 Siskiyou W of Sawyers Bar Comment
  CAS-BOT-BC53081  Ceanothus prostratus W. C. Blasdale 1894-7-31 s.n. Siskiyou Sissons Comment
  CAS-BOT-BC53083  Ceanothus prostratus Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  JEPS60237  Ceanothus prostratus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2291 Siskiyou Mt. Shasta, NW side, along US 97, 0.7 mi S of Bolam road junction Comment
  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
  UC1185942  Ceanothus prostratus L. E. Detling 1950-6-9 6599 Siskiyou Black Butte Summit (Hwy 99) 1188 Comment
  UC61167  Ceanothus prostratus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  HSC100184  Ceanothus sanguineus J. P. Smith, & J. O. Sawyer 2011-9-3 13401 Siskiyou Along Klamath National Forest Road 47N01. 738 Comment
  RSA23631  Ceanothus sanguineus O. V. Matthews 1939-6-7 9512 Siskiyou Mohawk Mine, Frog Pond trail, 2 miles S of Oregon-California line, alt 4000ft, siskiyou County 1220 Comment
  HSC18345  Ceanothus velutinus D. M. Thomson 1965-6-11 77 Siskiyou Lava Beds National Monument, Tichnor Rd. 1.0 mi. from Medicine Lake Rd. Comment
  RSA183666  Ceanothus velutinus Gilbert Muth 1965-7-30 114 Siskiyou Marble Valley, Marble rim Comment
  UCD112765  Ceanothus velutinus Roman Gankin; Richard Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS road 39N04 off Black Bear Road between Sawyers Bar and Cecilville. 1706 Comment
  UCR136775  Ceanothus velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake 2134 Comment
  CAS-BOT-BC52801  Ceanothus velutinus var. velutinus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mt. - Hilt Comment
  HSC69563  Ceanothus velutinus var. velutinus Maralyn A. Renner 1980-8-6 2282 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  HSC99610  Ceanothus velutinus var. velutinus G. L. Clifton, Griswold 1979-6-28 6149 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CDA34726  Centaurea solstitialis L. Ahart, John Dittes 2010-7-3 16947 Siskiyou On high ground in a meadow area west of the Shasta River, about 200 yards northwest 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. Comment
  HSC43134  Centaurea solstitialis Ken Stillman 1976-8-24 415 Siskiyou E and N slopes of Williams Point 366 Comment
  HSC2328  Centromadia pungens Geo. D. Butler 1910-8-18 1840 Siskiyou Shasta Valley Comment
  SBBG30183  Cephalanthera austiniae D. Myrick 1968-6-29 2061 Siskiyou Mountain Meadow Ranch, Big Flat, near Trinity Center; Trinity Alps 1524 Comment
  CDA39521  Cephalanthera austiniae F. D. Horn 1982-6-22 s.n. Siskiyou South of State Fish Hatchery, in Old Shasta Brown Ranch subdivision, southwest of Mount Shasta City. 0 Comment
  CHSC71570  Cerastium arvense Vernon H. Oswald; Lowell Ahart 1998-8-3 9453 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. east of Kangaroo Lake. Near Rock Fence Creek. 1920 Comment
  JEPS45542  Cercocarpus betuloides var. betuloides Geo. D. Butler 1909-4-26 672 Siskiyou Oro Fino Comment
  UC718144  Cercocarpus betuloides var. betuloides Carl B. Wolf 1934-7-5 5975 Siskiyou 4 mi from Oak Knoll Ranger Station (on Klamath River, on road to Dry Lake Lookout); Siskiyou Mountains, Klamath River 1066 Comment
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Mar 29 2012
  JEPS45536  Cercocarpus betuloides var. macrourus W. L. Jepson 1907-7-4 2810 Siskiyou Marble Mountain, Shackelford Canyon Shackelford Canyon; Marble Mountain, Shackelford Canyon Comment
  RSA120777  Cercocarpus ledifolius G. D. Barbe 1955-7-29 315 Siskiyou below a serpentine outcropping on a Knott NW of Scott Mtn. 1738 Comment
  RSA611268  Cercocarpus ledifolius Louis C. Wheeler 1935-7-4 3654 Siskiyou Yreka Creek. 884 Comment
  CAS-BOT-BC148522  Cercocarpus ledifolius var. ledifolius Wm. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park 2438 Comment
  CAS-BOT-BC276754  Chaenactis douglasii var. douglasii Louis C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mountains 1280 Comment
  JEPS8879  Chaenactis suffrutescens W. L. Jepson 1907-7-4 2809 Siskiyou Scott Valley Comment
  RSA714931  Chamaebatiaria millefolium M. E. Fishbein, Lane Greer 2006-8-3 5872 Siskiyou Along Forest Service road 49, 7 miles SSW of Medicine Lake, 0.4miles NE of Snag Hill. 1585 Comment
  HSC19311  Chamaecyparis lawsoniana J. O. Sawyer 1968-9-11 699 Siskiyou Slopes above Twin Valley 1463 Comment
  HSC69224  Chamaecyparis lawsoniana Maralyn A. Renner 1980-8-31 2620 Siskiyou Twin Valley. 1494 Comment
  RSA697385  Chamaecyparis lawsoniana Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains. 915 Comment
  SD46659  Chamaesaracha nana E. K. Balls, L. W. Lenz 1956-6-18 21802 Siskiyou 1.5 mi. e. of McCloud, State Hwy. 89, roadside 1006 Comment
  UCD126576  Chamaesaracha nana Jack Major 1961-7-14 637 Siskiyou along road to Panther Creek, Mount Shasta. 1800 Comment
  UC1601872  Chamaesyce serpyllifolia Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2584 Siskiyou vicinity Mount Shasta Comment
  CAS-BOT-BC165979  Chamerion angustifolium Gilbert Muth 1965-8-4 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC165985  Chamerion angustifolium Gilbert Muth 1965-8-4 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC166098  Chamerion angustifolium subsp. circumvagum Professor Life; Mrs. Life 1923-8-6 s.n. Siskiyou Shasta Spring Comment
  UC454600  Chamerion angustifolium subsp. circumvagum I. J. Condit 1911-7-3 Siskiyou along river Sacramento River, Shasta Retreat Comment
  CAS-BOT-BC68211  Cheilanthes gracillima Donald Branscomb 1958-7-1 s.n. Siskiyou Castle Lake 1706 Comment
  CAS-BOT-BC68237  Cheilanthes gracillima Ira L. Wiggins 1955-7-27 13531 Siskiyou Salmon-Trinity alps Primitive Area - on rocky ridge along west side of Caribou Lake 2042 Comment
  POM23315  Cheilanthes gracillima E. B. Copeland 1903-7-16 3505 Siskiyou Mt. Shasta. 3171 Comment
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Jan 23 2011
  UCR143039  Cheilanthes intertexta L. C. Wheeler 1934-10-21 3344 Siskiyou Shasta Valley, 8 mi NE of Gazelle 869 Comment
  HSC65141  Chenopodium album J. P. Smith, Steve Selva 1970-7-17 4435 Siskiyou 915 Comment
  JEPS59737  Chenopodium botrys Willis L. Jepson 1894-8-9 14859 Siskiyou near Shasta Sprs.; Region of the Upper Sacramento, Horseshoe Bend Comment
  UC851054  Chenopodium pumilio L. E. Smith 1913-7-12 467 Siskiyou Igerna Comment
  CAS-BOT-BC451435  Chimaphila menziesii Wm. Bridge Cooke 1938-8-5 11458 Siskiyou Mount Shasta: along the Sisson Southern Trail 1828 Comment
  CAS-BOT-BC451437  Chimaphila menziesii Louis C. Wheeler 1934-8-24 3221 Siskiyou Siskiyou Mts., Trapper Creek 1615 Comment
  HSC92970  Chimaphila menziesii Jennifer Whipple 1977-8-6 2246 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  JEPS83881  Chimaphila menziesii Wayne Roderick July 1976 Siskiyou vicinity of Cook & Green Pass; Siskiyou Mts. 1463 Comment
  RSA467012  Chimaphila menziesii L. C. Wheeler 1934-8-24 3221 Siskiyou Trapper Creek. 1616 Comment
  UCD117374  Chimaphila menziesii John M. Tucker; L. K. Mann 1963-7-4 3693 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  CAS-BOT-BC452264  Chimaphila umbellata L. E. Smith 1913-9-1 555 Siskiyou Mt. Eddy Comment
  HSC19324  Chimaphila umbellata J. O. Sawyer 1968-6-18 172 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UCR179176  Chimaphila umbellata Robert E. Preston 2001-8-26 1760 Siskiyou Klamath Range, Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake 1884 Comment
  CAS-BOT-BC452284  Chimaphila umbellata Annie M. Alexander; Louise Kellogg 1948-9-8 5598 Siskiyou Siskiyou Mountains, East side, top of grade between Sawyers Bar and Etna 1737 Comment
  HSC19323  Chimaphila umbellata J. O. Sawyer 1968-6-25 339 Siskiyou 1646 Comment
  SEINET7220249  Chimaphila umbellata var. occidentalis W. Roderick 1967-7-23 s.n. Siskiyou Cook & Green Pass, N of Seiad Valley 1372 Comment
  RSA105418  Chrysanthemum leucanthemum G. D. Barbe 1955-6-29 46 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  JEPS37852  Chrysolepis chrysophylla Geo. D. Butler 1908-8-26 491 Siskiyou w side Salmon Mountain (along grade) 1524 Comment
  UC1409350  Chrysolepis chrysophylla Frederick W. Oettinger 1969-7-29 1097 Siskiyou ridge just s Uncles Lake (near inlet stream, vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  OBI55421  Chrysolepis chrysophylla var. chrysophylla David J. Keil 1992-7-20 23498 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along forest Road 44N45, 8.1 mi S of Scott River Rd, 2.7 mi S of turnoff to Lover's CAmp Comment
  CAS-BOT-BC36244  Chrysolepis sempervirens Doris K. Kildale 1928-8-19 6556 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC100853  Chrysothamnus viscidiflorus subsp. viscidiflorus Delzie Demaree 1959-7-26 41333 Siskiyou on large shelves above Tule Lake 1219 Comment
  CAS-BOT-BC100856  Chrysothamnus viscidiflorus subsp. viscidiflorus Geo. D. Butler 1910-7-20 1731 Siskiyou Goosenet foothills 1524 Comment
  CAS-BOT-BC190007  Cinna latifolia John Thomas Howell 1939-8-6 15094 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  RSA239135  Cinna latifolia Frederick W. Oettinger 1968-9-2 663 Siskiyou Southwest of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  JEPS69768  Circaea alpina subsp. pacifica W. B. and V. G. Cooke 1972-7-6 45455 Siskiyou along Mud Creek Dam rd. Mt. Shasta 1371 Comment
  POM46094  Circaea alpina subsp. pacifica Geo. D. Butler 1910-6-4 1499 Siskiyou Shackleford Creek. Comment
  CDA1026  Cirsium andersonii M. R. Pryor 1950-7-26 s.n-A Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  HSC5394  Cirsium cymosum R. C. Wunner 1965-6-29 308 Siskiyou 1/4 mi. above Indian Well Campground; California Lava Beds N.M. 1433 Comment
  JEPS25883  Cirsium douglasii var. breweri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7487 Siskiyou 6.2 mi above and sw Callahan (7 mi below and ne of road summit from Cecilville to Callahan) 1341 Comment
  JEPS59124  Cirsium douglasii var. breweri W. L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou meadows at Sissons Strawberry Valley, Sissons Comment
  RSA0070614  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City. Comment
  CDA1276  Cirsium inamoenum T. C. Fuller 1979-10-3 20271 -C Siskiyou Goosenest Rd., 14 km northeast of Tennant. 0 Comment
  UC454286  Cirsium occidentale var. candidissimum I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  SBBG18918  Cirsium occidentale var. candidissimum F. E. Clements 1918-1 Siskiyou 2 mi from Hornbrook Comment
  CAS-BOT-BC288772  Cirsium remotifolium John Thomas Howell 1939-8-4 15033 Siskiyou Between Elk Mt and Marble River, Marble Mts Comment
  HSC77095  Cirsium remotifolium K. T. Stillman 1976-7-30 336 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  HSC81516  Cirsium remotifolium Thomas W. Nelson, Jane P. Nelson 1980-7-19 6197 Siskiyou Along Forest Service Rd 30N01 ca. 1 mi. from jct. with Forest Service Rd. 39N01 A 1951 Comment
  SBBG25853  Cirsium remotifolium var. odontolepis D. Myrick 1966-8-8 1498 Siskiyou Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 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
  CAS-BOT-BC228978  Cistanthe umbellata Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  HSC36771  Clarkia lassenensis J. P. Smith 1974-5-25 7413 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  SJSU11000  Clarkia lassenensis J. W. Tilden 1958-6-26 1271 Siskiyou near Monument Hedquarters, Lava Beds National Monument 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
  CAS-BOT-BC164969  Clarkia rhomboidea John Thomas Howell 1937-7-22 13307 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC337290  Clarkia rhomboidea Lemmon 1889-6-17 Siskiyou Edgwood Comment
  CAS-BOT-BC164975  Clarkia rhomboidea A. A. Heller 1928-6-9 14598 Siskiyou Slopes of Spring Hill near the town of Mt. Shasta 1097 Comment
  CAS-BOT-BC164977  Clarkia rhomboidea Doris K. Kildale; J. W. Gillespie 1929-6-22 8027 Siskiyou Salt Creek, 36 miles south of Dunsmuir Comment
  UC1112868  Claytonia lanceolata H. K. Wagnon and Douglas Barbe 1957-6-16 13132 Siskiyou Scott Mt. 1920 Comment
  RSA237269  Claytonia perfoliata Frederick W. Oettinger 1967-6-28 130 Siskiyou On Salmon River near mouth of Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  HSC44929  Claytonia rubra subsp. rubra J. O. Sawyer 1978-6-19 3254 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  SBBG30593  Claytonia rubra subsp. rubra D. Myrick 1968-6-25 2013 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  CAS-BOT-BC443864  Claytonia sibirica Alice Eastwood 1917-9-2 6676 Siskiyou Shasta Springs Comment
  RSA537379  Clematis ligusticifolia Walter Wisura, J. Romero 1991-10-17 4593 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  CAS-BOT-BC92761  Clematis ligusticifolia W. R. Dudley 1901-8-25 s.n. Siskiyou Jackson Creek. Comment
  RSA3834  Cleome platycarpa A. A. Heller 1927-8-2 14440 Siskiyou North end of Shasta Valley near the Klamath River Comment
  HSC19259  Clintonia uniflora J. O. Sawyer 1968-7-10 485 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC58941  Clintonia uniflora Marvin Butler 1971-7-19 161 Siskiyou Near El Capitan close to the town of Cave Junction 1524 Comment
  JEPS82733  Clintonia uniflora Wayne Roderick 1983-7-10 Siskiyou Doe Flat near Del Norte County Boundary; Doe Flat 1143 Comment
  CAS-BOT-BC500956  Clintonia uniflora L. E. Smith 1913-6-12 359 Siskiyou Road from Sisson to Castle Lake Comment
  CAS-BOT-BC500971  Clintonia uniflora John Thomas Howell 1939-8-3 15015 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC36717  Clintonia uniflora Brent Whiteley 1975-6-29 106 Siskiyou 976 Comment
  HSC62303  Clintonia uniflora Ruby Van Deventer 1955-7-31 Siskiyou Trout Camp 1220 Comment
  RSA184801  Clintonia uniflora Gilbert Muth 1966-7-17 401 Siskiyou Trail to lookout, Marble Mountains. 1806 Comment
  RSA68875  Clintonia uniflora A. E. Culbertson 1943-7-1 81 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
  JEPS26521  Collinsia linearis Lauramay T. Dempster 1961-7-2 1852 Siskiyou sw Etna (ridge w of Salmon Mtn Summit) 1828 Comment
  POM258052  Collinsia linearis C. Leo Hitchcock, J. S. Martin 1939-7-7 5280 Siskiyou 0.5 mile below Sanger Peak Lookout. 1524 Comment
  UC1409408  Collinsia linearis Frederick W. Oettinger 1968-9-9 794 Siskiyou ne of Tom's Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); High Lake Basins, Marble Mtn Wilderness Area, Salmon Mts 1828 Comment
  RSA237559  Collinsia rattanii Frederick W. Oettinger 1968-8-16 544 Siskiyou Red Hill near outlet of Hancock Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  JEPS3846  Collinsia torreyi var. latifolia Duncan Dunning 1921-7-16 Siskiyou nw Hambone (se Siskiyou Co.); Toad Mtn. Comment
  HSC76757  Collomia grandiflora K. T. Stillman 1976-7-21 270 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC455654  Collomia grandiflora I. J. Condit 1911-7-6 Siskiyou along RR and elsewhere Shasta Retreat Comment
  UC130370  Collomia heterophylla A. A. Heller 1905-6-1 7947 Siskiyou Upper Soda Spring Comment
  SEINET2445716  Collomia heterophylla James P. Smith 1973-5-5 6373 Siskiyou In and around the O'Neill Campground near Seiad Valley, California. 488 Comment
  CAS-BOT-BC229524  Collomia larsenii Dean Wm. Taylor 1987-6-26 9070 Siskiyou Little Mount Hoffman, 2 miles W from Medicine Lake 2209 Comment
  CHSC1229  Collomia tinctoria A. Anderson 1962-9-15 Siskiyou Salmon summit. 2164 Comment
  SBBG5813  Collomia tinctoria H. and M. Dearing 1939-7-1 3791 Siskiyou Salmon Mtn 1828 Comment
  SJSU6072  Collomia tinctoria R. W. Trivelpiece 1971-7-14 52 Siskiyou Blue Ridge between Sawyers Bar & Cecilville, SW of Eddy Gulch Lookout, Salmon R Mts 1219 Comment
  UC1409299  Collomia tinctoria Frederick W. Oettinger 1969-8-12 1349 Siskiyou side of English Lake Trail above Willow Spring (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area Comment
  UC164128  Collomia tinctoria Geo. D. Butler 1910-5-30 1429 Siskiyou Humbug Creek Comment
  POM75193  Collomia tinctoria Geo D. Butler 1910-5-30 1424 Siskiyou Humbug Creek, Siskiyou County Comment
  HSC45041  Corallorhiza maculata J. O. Sawyer, E. Cope 1977-6-19 2942 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  UC1190177  Corallorhiza maculata Ira L. Wiggins 1955-7-24 13491 Siskiyou ridge betw. upper reaches of China Creek and upper reaches of Blind Horse Creek 1508 Comment
  UCSB24759  Corallorhiza maculata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass; north of Seiad Valley 1341 Comment
  HSC27639  Corallorhiza maculata Carl W. Mize 1972-6-22 82 Siskiyou 976 Comment
  RSA381992  Corallorhiza mertensiana M. B. Dunkle 1944-7-8 9084 Siskiyou Deer Creek, Siskiyou National Forest Comment
  JEPS85956  Cordylanthus tenuis subsp. pallescens Don Burk 1990-4-1 DB 17 Siskiyou just s Weed Elementary School (s side of Hilltop Dr, less than 0.1 mi e of S. Davis Ave.); Weed NW Quadrangle 1072 Comment
  RSA537706  Cordylanthus tenuis subsp. pallescens T. I. Chuang, L. R. Heckard 1969-8-21 6741 Siskiyou Southwest of Black Butte, NW of Mount Shasta City 1067 Comment
  CHSC105583  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16202 b Siskiyou Forest Service Road 41N26, the Eddy Creek Road, 0.6 mile above the junction with Old Stagecoach Road (study site 10). Lat. and Long. indicated +/- 33 feet. 1039 Comment
  SEINET13682628  Cordylanthus tenuis subsp. viscidus B. L. Wilson, R. E. Brainerd 2010-8-3 16192 Siskiyou Shasta-Trinity NF, along FR 40N43 W of Lake Siskiyou, at first creek crossing W of junction with road 26. 1063 Comment
  CAS-BOT-BC212271  Cornus glabrata Geo. D. Butler 1910-5-22 1385 Siskiyou Yreka Creek Comment
  UC1045280  Cornus glabrata W. Bridge Cooke 1940-6-20 15171 Siskiyou Klamath R. near Pacific Hwy. below Hornbrook; Klamath R. Comment
  UC412917  Cornus glabrata Annie M. Alexander and Louise Kellogg 1911-6-12 118 Siskiyou 6 mi. n.w. Callahan (Scott Valley); Scott Valley Comment
  HSC27681  Cornus nuttallii Carl W. Mize 1972-6-10 46 Siskiyou 0.75 mi. from bridge on Steinacher Creek Rd. 366 Comment
  SEINET10739247  Cornus nuttallii Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 898 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). T46N R11W S12. 593 Comment
  CAS-BOT-BC210402  Cornus sericea Wm. Bridge Cooke 1938-7-1 11121 Siskiyou Mount Shasta. Bear Spring Comment
  CAS-BOT-BC210423  Cornus sericea Gilbert Muth 1966-7-24 444 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC210426  Cornus sericea D. E. Breedlove 1962-6-10 3299 Siskiyou Along Indian Creek Road, 16.2 miles northwest of Happy Camp; Siskiyou Mountains 1066 Comment
  CAS-BOT-BC212151  Cornus sericea William A. Dayton 1913-6-14 8257 Siskiyou On banks of Rail Creek, Shasta Forest 1341 Comment
  HSC19037  Cornus sericea subsp. sericea J. O. Sawyer 1969-6-11 840 Siskiyou Duck Lake Creek near C.C.C. road. 1311 Comment
  HSC31801  Cornus sericea subsp. sericea Steve Selva, Roger Jensen 1974-8-16 4 Siskiyou Along banks of Sugar Creek near outflow of Sugar Lake. Comment
  HSC36742  Corylus cornuta subsp. californica Brent Whitely 1975-7-5 144 Siskiyou 213 Comment
  CAS-BOT-BC290474  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mountain Wilderness Area Comment
  JEPS105110  Crepis acuminata Dean W. Taylor 1993-7-30 13988 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  RSA238876  Crepis acuminata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1263 b Siskiyou Along trail NNe of Toms Lake near gap between Toms and Hancock Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC313843  Crepis monticola J. L. Collins 1927-6-8 Siskiyou Yreka Comment
  JEPS36407  Crepis occidentalis W. L. Jepson 1940-6-23 19981 Siskiyou hillslope e Montague 822 Comment
  UC144421  Crepis occidentalis A. A. Heller 1905-6-19 8065 Siskiyou Grenada Comment
  UC581300  Crepis occidentalis G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2441 Siskiyou stream bank 2 1/2 mi ne Fort Jones (along hwy to Yreka) 850 Comment
  CAS-BOT-BC376563  Crepis occidentalis subsp. costata A. A. Heller 1905-6-19 8065 Siskiyou Along the railroad near Grenada station Comment
  CAS-BOT-BC376506  Crepis pleurocarpa John Thomas Howell 1937-7-21 13192 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET7838868 Image available Crepis pleurocarpa H. M. Hall, E. B. Babcock 4024 Siskiyou Upper Sacramento River near Chromite 457 Comment
  CDA4484  Crocidium multicaule Vernon H. Oswald & Lowell Ahart 1998-6-11 9215 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  SEINET7073599  Crocidium multicaule A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  UC1181809  Crocidium multicaule Dorothy Parker 1950-3-14 383 Siskiyou e side Scott Valley; Siskiyou Mountains, Scott Valley 853 Comment
  RSA591655  Crypsis vaginiflora L. C. Wheeler 1934-10-14 3322 Siskiyou Siskiyou Mts.; Shasta River 2 mi. below Yreka Creek 671 Comment
  JEPS116598  Cryptantha ambigua Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -014 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73 Weed (unburned area within Hotlum Fire perimeter burned in Feb 2006 4 miles NE of town of); Mt. Shasta 1127 Comment
  JEPS67620  Cryptantha intermedia M. K. Curran Jul 1887 Siskiyou Edgewood Comment
  JEPS69751  Cryptantha intermedia W. B. and V. G. Cooke 1972-6-30 45410 Siskiyou above Andesite crossing (Military Pass Road); Mt. Shasta 1524 Comment
  UC24648  Cryptantha intermedia Miss Edmonds 1890-7-4 Siskiyou Comment
  POM228969  Cryptantha torreyana L. C. Wheeler 1935-5-26 3531 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  RSA47775  Cryptantha torreyana Roxana S. Ferris, Laura Lorraine 1948-6-12 11853 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  CAS-BOT-BC70484  Cryptogramma acrostichoides John Thomas Howell 1937-7-26 13525 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CHSC46  Cryptogramma acrostichoides V. Holt 1932-7-12 Siskiyou Castle Lake. 1767 Comment
  HSC1020  Cryptogramma acrostichoides Dorothy Parker 1949-7-10 347 Siskiyou Above Paradise Lake, Salmon Mtn. 1982 Comment
  HSC65356  Cryptogramma acrostichoides Rich White 1978-7-3 212 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  UC185185  Cryptogramma acrostichoides Geo. D. Butler 1755 Siskiyou Shackelford Creek 1371 Comment
  NY16608  Cupressus bakeri C. B. Wolf 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1219.2 Comment
  RSA176218  Cupressus bakeri C. O. Stone 1964-6-20 291 Siskiyou North section line crossing of Sec 13 on west side of Jeep Rd. 1085 Comment
  RSA352343  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1mile NE of Timbered Crater, Modoc Lava Beds on Old Stage Road form Dana to Little Hot Springs Valley 1220 Comment
  UC650676  Cupressus bakeri Oliver V. Matthews 1939-7-14 34 Siskiyou North-westerly Grove , North-westerly Grove (Goose Nest Region) 1524 Comment
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Oct 13 2013
  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
  JEPS85596  Cuscuta howelliana W. Robert Powell 1989-7-19 3533 Siskiyou 16 air mi n Fall River Mills (and 6 air mi w of Day, Modoc County, 1.2 mi e of Springs Creek Rd); Timbered Crater 7.5' Quad. 1097 Comment
  SDSU2276  Cymopterus terebinthinus var. californicus D. F. Howe 1964-8-4 3934 Siskiyou Probably Modoc National Forest, 9 miles from entrance to Lava Bed National Monument. 2042 Comment
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Oct 12 2011
  SDSU2648  Cynoglossum occidentale D. F. Howe 1979-6-26 5108 Siskiyou Military Pass road 19 miles east of #97. 1768 Comment
  JEPS87640  Cynoglossum officinale Vernon H. Oswald and Lowell Ahart 1994-8-10 6458 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. (FS 15)); Bartle Creek, Stillwater Meadows 1359 Comment
  CAS-BOT-BC114687  Cyperus bipartitus Carl B. Wolf 1927-8-27 1123 Siskiyou On the Klamath river, Happy Camp Comment
  CAS-BOT-BC114148  Cyperus squarrosus Doris K. Kildale 1928-7-25 5885 Siskiyou Klamath River at Mack's Creek near Hamburg. Comment
  RSA577571  Cyperus squarrosus L. C. Wheeler 1935-7-20 3672 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  RSA722401  Cypripedium californicum W. Lane 1938-07 s.n. Siskiyou Siskiyou Mountains 1220 Comment
  UC14958  Cypripedium californicum W. C. Blasdale July, 1899 1077 b Siskiyou from summit of Siskiyous to Waldo, Oregon Comment
  RSA50165  Cypripedium montanum E. K. Balls 1949-7-10 13957 Siskiyou 5 miles from Sawyers Bar on road to Cecilville. 1220 Comment
  HSC19005  Cystopteris fragilis J. O. Sawyer 1969-7-1 975 Siskiyou SE slope above Paynes Lake Creek 1921 Comment
  HSC92572  Cystopteris fragilis Jennifer Whipple 1976-7-23 1519 Siskiyou Dale Cr. drainage, N face of Mt. Eddy 2317 Comment
  SEINET10515546  Dactylis glomerata Louis C. Wheeler 1935-6-30 Wheeler 3626 Siskiyou Dry roadside ditch. 3 miles S Yreka. Comment
  UC1108540  Danthonia californica var. americana Ira L. Wiggins 1955-7-27 13551 Siskiyou Caribou Lake Salmon River-Trinity Alps Primitive Area 2042 Comment
  HSC66259  Darlingtonia californica Maralyn A. Renner 1980-7-4 1417 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  OBI55413  Darlingtonia californica David J. Keil, Kathleen Keil 1992-7-21 23545 Siskiyou Klamath Natl Forest SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  HSC76908  Dasiphora fruticosa K. T. Stillman 1976-9-10 500 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  CAS-BOT-BC141832  Dasiphora fruticosa W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  CHSC1459  Delphinium V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  CAS-BOT-BC8952  Delphinium decorum subsp. tracyi Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Summit of Salmon Mtn. Comment
  JEPS24033  Delphinium glaucum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6897 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  SBBG25946  Delphinium glaucum D. Myrick 1966-8-10 1517 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  CHSC71319  Delphinium nuttallianum Vernon H. Oswald; Lowell Ahart 1998-6-11 9205 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. Meadow, bordering the lake. 1402 Comment
  HSC34156  Delphinium nuttallianum J. O. Sawyer 1969-7-9 1223 Siskiyou Along trail to Sugar Lake. 1768 Comment
  HSC41692  Delphinium nuttallianum J. P. Smith, Steve Selva 1970-7-18 4486 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC720  Delphinium nuttallianum William J. Ferlatte 1967-7-26 743 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  HSC28667  Delphinium nuttallianum Frederick W. Oettinger 1969-7-10 955 Siskiyou Marble Mtn. Wilderness Area, base of cliff SW of Upper English Lake 1951 Comment
  RSA238282  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 a Siskiyou SW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC81765  Deschampsia cespitosa Thomas W. Nelson, Jane P. Nelson 1980-7-20 6171 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC192464  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-16 545 Siskiyou Siskiyou Mountains; at Poker Flat 1524 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
  RSA14315  Deschampsia cespitosa subsp. cespitosa Elmer I. Applegate 1923-8-19 3895 Siskiyou Medicine Lake 1982 Comment
  HSC100336  Deschampsia danthonioides J. P. Smith 2011-7-15 13305 Siskiyou Along the road to Bray, .8 mi. from its junction with Tennant Road. 1419 Comment
  POM161562  Deschampsia danthonioides Geo D. Butler 1908-6-25 477 Siskiyou Yreka Creek Comment
  CAS-BOT-BC201944  Deschampsia elongata Alice Eastwood 1912-8-30 2049 a Siskiyou Mount Eddy Comment
  HSC68978  Deschampsia elongata Maralyn A. Renner 1980-7-24 2109 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  POM229971  Deschampsia elongata L. C. Wheeler 1935-7-26 3704 Siskiyou Siskiyou mountains; Jaynes Canyon. 1951 Comment
  RSA238393  Deschampsia elongata Frederick W. Oettinger 1969-8-14 1373 Siskiyou Weed area near campsite, English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  JEPS53412  Descurainia incisa subsp. incisa Geo. D. Butler 1908-8-4 126 Siskiyou Head of Shackleford Creek 1676 Comment
  CHSC33175  Descurainia sophia R. E. Preston 1981-5-2 62 Siskiyou On roadside cut, ca. 50 m n of Camp Creek, at Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  UCD114782  Descurainia sophia Paul G. Emerson 1954-5-1 s.n. Siskiyou Alta Vista Ranch, near Montague. Comment
  UCD114786  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  RSA166277  Dicentra formosa subsp. formosa Donald Myrick 1961-6-21 312 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99 1829 Comment
  CAS-BOT-BC47496  Dicentra formosa subsp. oregana A. M. Vollmer; L. Beane 1951-6-2 72 Siskiyou Road between Streamline Lodge & Deer Camp, north of Klamath River Highway Comment
  HSC59009  Dicentra pauciflora Marvin Butler 1971-7-16 141 Siskiyou Near El Capitan Lake, close to the town of Cave Junction Comment
  CAS-BOT-BC208959  Dichanthelium oligosanthes subsp. scribnerianum Carl B. Wolf 1927-8-26 1099 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  HSC44857  Dichelostemma capitatum subsp. capitatum J. P. Smith 1973-5-5 6536 Siskiyou Scott Bar along the Scott River 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
  HSC82484  Dichelostemma congestum Thomas W. Nelson, Jane P. Nelson 1979-6-15 4799 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  UC593509  Dichelostemma multiflorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1941 Siskiyou about 8 mi s Yreka 822 Comment
  CAS-BOT-BC500999  Dichelostemma multiflorum A. A. Heller 1905-6-1 7942 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  SEINET10533978  Dichelostemma multiflorum A. Arthur Heller 1905-6-1 Heller 7942 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  CAS-BOT-BC291008  Dieteria canescens var. shastensis L. E. Smith 1915-8-1 s.n. Siskiyou Bray Comment
  UC830810  Dieteria canescens var. shastensis Alice Eastwood 1921-7-28 10911 Siskiyou Medicine Lake Comment
  SEINET5709532 Image available Dieteria canescens var. shastensis Lowell E. Urbatsch, D. Clark 1974-1 1509 .5 Siskiyou Along rd to Ski Bowl on Mt. Shasta.; Mount Shasta 1676 Comment
  SEINET13701295  Diplacus jepsonii D. M. Thompson 1988-1 932 Siskiyou Along Hwy 89, SW corner of jct of Bigelow Meadows Road and Hwy 89, opposite Hwy 89 from FR 40N16, 2.4 miles W of turnoff for Cattle Camp Road; 2.0 mile W of USFS Ash Creek Station, 8.0 miles E of McCloud. 1097 Comment
  CAS-BOT-BC153658  Diplacus jepsonii A. A. Heller 1922-7-15 13702 Siskiyou At Medicine Lake 2133 Comment
  CAS-BOT-BC153304  Diplacus kelloggii R. C. Barneby 1954-5-16 11520 Siskiyou Scott River canyon 11 1/2 miles above Scott Bar 777 Comment
  CAS-BOT-BC153736  Diplacus nanus Lillian S. Mott 1967-7-2 LM 6759 Siskiyou Highway 97 near Cougar 1371 Comment
  CDA6685  Dipsacus fullonum T. C. Fuller 1959-10-14 3126 Siskiyou Highway 99, north limits of Mt. Shasta City. 0 Comment
  CAS-BOT-BC208638  Distichlis spicata David D. Keck 1949-7-19 6347 Siskiyou 2 mi. S of Grenada, along RR right-of-way. 777 Comment
  RSA238737  Dodecatheon alpinum Frederick W. Oettinger 1969-7-10 965 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA120755  Dodecatheon alpinum subsp. majus S. S. Tillett 1956-7-9 642 Siskiyou Northeast facing slope of Scott Mountain. Trinity-Siskiyou Cos line. 1829 Comment
  CHSC118450  Dodecatheon jeffreyi Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -028 Siskiyou Lower Parks Creek watershed, E Klamath Range; slope above Forest Service Road 42N19, 4 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539166m E, 4587170m N. 1529 Comment
  RSA297050  Dodecatheon jeffreyi John F. Emmel 1974-7-19 518 Siskiyou wet meadow 0.2 air mile west of Lily Pad Lake. 1753 Comment
  NY546981  Downingia bacigalupii J. H. Weiler 1960-6-24 60205 Siskiyou At the side of Dorris-Beswick road, 2.7 miles southwest of the California-Oregon border Comment
  CHSC71231  Downingia pulcherrima Vernon H. Oswald; Ken Beatty, Jay Thesken 1998-6-6 9171 Siskiyou Buckaroo Hole, Butte Valley National Grassland between Macdoel and Dorris. 1280 Comment
  JEPS19784  Downingia pulcherrima Rimo Bacigalupi with S. Galen Smith 1957-6-26 5937 Siskiyou about 2.5 mi nw Weed (close to U.S. Highway 99) 1005 Comment
  CAS-BOT-BC41765  Draba howellii M. B. Dunkle 1945-7-8 9206 Siskiyou Klamath Forest. Marble Mountains. Black Marble Mountain. 2133 Comment
  CAS-BOT-BC41304  Draba pterosperma John Thomas Howell 1939-8-4 15038 Siskiyou Marble Mountains. Marble Rim. 1889 Comment
  CAS-BOT-BC401543  Drosera rotundifolia Wm. Bridge Cooke 1939-7-21 13725 Siskiyou Mount Shasta. In the Wagon Camp bog Comment
  UC1409246  Drosera rotundifolia Frederick W. Oettinger 1969-7-31 1113 Siskiyou Sundew Bog Salmon Mountains, Marble Mountain Wilderness Area (w above English Lake, w Siskiyou Co.) 1828 Comment
  HSC68983  Drymocallis glandulosa Maralyn A. Renner 1980-7-24 2001 Siskiyou Lily Pad Lake 1768 Comment
  UC154518  Drymocallis lactea var. austiniae Harley P. Chandler June, 1901 1697 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  UC165739  Drymocallis lactea var. austiniae Geo. D. Butler 1910-7-8 1658 Siskiyou Shackleford Creek 1371 Comment
  HSC76652  Drymocallis lactea var. lactea K. T. Stillman 1976-7-23 299 Siskiyou Marble Mtn. Wilderness Area 2012 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
  RSA603019  Echinochloa muricata var. microstachya L. C. Wheeler 1935-7-13 3658 Siskiyou Ager 793 Comment
  CAS-BOT-BC113720  Eleocharis acicularis Alice Eastwood 1921-7-29 10946 a Siskiyou Medicine Lake. Comment
  RSA577424  Eleocharis acicularis var. acicularis L. C. Wheeler 1935-7-23 3681 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2011 Comment
  JEPS19432  Eleocharis obtusa Geo. D. Butler 1908-8-28 7 Siskiyou Oro Fino Comment
  CAS-BOT-BC112014  Eleocharis suksdorfiana Henry Knut[e] Svenson 1938-9-8 11664 Siskiyou Squaw Creek Meadows, Hudsonian, Openings in the meadows. Comment
  RSA239039  Elymus X hansenii Frederick W. Oettinger 1969-9-2 1589 Siskiyou Above Bear Meadow, near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UCD62811  Elymus X hansenii Mr. Roseman 1913-1 42 Siskiyou Butte Valley. Comment
  CAS-BOT-BC227923  Elymus elymoides L. E. Smith 1913-6-25 393 Siskiyou Montague Comment
  CAS-BOT-BC227926  Elymus elymoides Alice Eastwood 1921-7-29 10980 Siskiyou Bear Spring on road to Medicine Lake Comment
  JEPS72943  Elymus elymoides subsp. elymoides W. L. Jepson 1940-6-23 20011 Siskiyou n Mt. Shasta; Andesite Station 975 Comment
  HSC21979  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-9 1206 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  UC224203  Elymus glaucus E. Palmer 1892-1 2652 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC204305  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1983-8-26 593 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  CAS-BOT-BC165905  Epilobium Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Between turnoff to Picayne Lake and Mumbo Summit, Trinity Mts. 1889 Comment
  UC642572  Epilobium anagallidifolium W. Bridge Cooke 1939-7-26 13747 Siskiyou west boreal spring above Panther Creek Meadows; Mount Shasta Comment
  CHSC36177  Epilobium brachycarpum K. Bridwell 1978-7-5 166 Siskiyou Ca. 15 mi se of Macdoel, at base of Coyote Ridge. 1341 Comment
  HSC78307  Epilobium brachycarpum L. P. Janeway 1983-9-11 659 Siskiyou Poker Flat 1524 Comment
  JEPS43818  Epilobium brachycarpum Geo. D. Butler 1908-9-5 136 Siskiyou e side of High School lot Yreka Comment
  UC478987  Epilobium ciliatum subsp. ciliatum Marcus E. Jones, A. M. 1931-7-17 29035 Siskiyou Shasta City (Session's) Comment
  POM32376  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1910-6-22 1598 Siskiyou Yreka Creek. Comment
  RSA264969  Epilobium ciliatum subsp. glandulosum G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  UC422955  Epilobium ciliatum subsp. glandulosum Milo S. Baker Aug. 1897 141 Siskiyou Payne's Springs Comment
  RSA600375  Epilobium glaberrimum Louis C. Wheeler 1935-7-23 3683 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2012 Comment
  HSC29160  Epilobium glaberrimum subsp. glaberrimum Frederick W. Oettinger 1969-8-3 1150 Siskiyou Salmon Mtns., Halfway Spring, English to Diamond Lake trail 1829 Comment
  POM256466  Epilobium glaberrimum subsp. glaberrimum Edward Lee 1934-8-15 1127 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1616 Comment
  POM258627  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1940-7-5 15231 Siskiyou Mt. Shasta: in the meadow at Bear Springs. 1524 Comment
  JEPS82523  Epilobium hallianum Gilbert Muth 1966-8-1 482 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Area 1792 Comment
  HSC36562  Epilobium hornemannii subsp. hornemannii J. P. Smith 1969-7-16 1154 Siskiyou SW facing slope W of Waterdog Lake 2119 Comment
  HSC29171  Epilobium lactiflorum Frederick W. Oettinger 1969-9-2 1595 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  UC1408903  Epilobium lactiflorum Frederick W. Oettinger 1969-9-2 1595 a Siskiyou n side of peak Salmon Mountains, Marble Mountain Wilderness Area, English P (w Siskiyou Co.) 2164 Comment
  CHSC57432  Epilobium minutum L. P. Janeway 1984-6-22 875 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  HSC44948  Epilobium minutum J. O. Sawyer 1978-6-17 3235 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  HSC60819  Epilobium minutum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley 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
  RSA691939  Epilobium minutum Barbara Ertter 1990-7-14 9309 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows. 1677 Comment
  RSA299463  Epilobium minutum J. P. Smith 1973-5-5 6521 Siskiyou Scott Bar along the Scott River. Comment
  CAS-BOT-BC57805  Equisetum laevigatum D. E. Breedlove 1962-6-10 3333 Siskiyou On the n. bank of the Klamath River at its junction with Goff Creek, 4.5 mi. w. of Seiad. 411 Comment
  HSC46757  Equisetum laevigatum William J. Ferlatte 1968-6-8 1137 Siskiyou Big Flat, near campground 1524 Comment
  POM256462  Equisetum laevigatum Edward Lee 1934-8-10 1021 Siskiyou Klamath River, south bank between McKinney and Parker house creeks (near Hamburg) 610 Comment
  UCSC004623  Eragrostis Randall Morgan 2004-5-31 4176 Siskiyou Castle Crags State Park, shore of Sacramento River Comment
  CAS-BOT-BC204512  Eragrostis cilianensis Saxton; Canfield 1922-7-21 45 Siskiyou Klamath National Forest. Rainey Ranch Comment
  CAS-BOT-BC204622  Eragrostis mexicana subsp. virescens Geo. D. Butler 1909-10-3 869 Siskiyou Near Yreka Comment
  CAS-BOT-BC94419  Eremogone congesta R. C. Wenk 2005-7-15 237 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 2042 Comment
  CHSC84756  Eremogone congesta var. suffrutescens L. P. Janeway 2003-8-9 7960 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; along trail from the crest down north slope to Echo Lake, just over north edge of the ridge. 1786 Comment
  SD76180  Ericameria bloomeri Helen V. Witham 1969-10-9 597 Siskiyou McBride Springs Road, Mount Shasta 1500 Comment
  UC166600  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  UC598531  Ericameria bloomeri C. Hart Merriam 1898-8-14 16 Siskiyou Mt. Shasta 1524 Comment
  UCD131320  Ericameria bloomeri Lorry Dunning 1967-8-11 s.n. Siskiyou Mt. Shasta Ski Bowl. 2438 Comment
  CAS-BOT-BC287489  Ericameria greenei Alice Eastwood 1912-8-30 2040 Siskiyou Mt Eddy Comment
  CAS-BOT-BC287501  Ericameria greenei W. R. Dudley 1899-8-26 s.n. Siskiyou Toward top of Sacramento and Trinity Divide Comment
  HSC27012  Ericameria nauseosa J. P. Smith, J. O. Sawyer 1972-9-12 5764 Siskiyou Scott Mountain; 1/2 mile east of Scott Mountain Rd. (S.R. 3) 1646 Comment
  UC165410  Ericameria nauseosa var. oreophila Geo. D. Butler 1910-8-15 1839 Siskiyou Shasta Valley Comment
  CAS-BOT-BC298248  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles S of Grenada 914 Comment
  HSC92795  Ericameria nauseosa var. speciosa Jennifer Whipple 1976-9-4 1793 Siskiyou Dry slopes SW of Dobkins Lake along the drainage into the lake 2256 Comment
  SD76145  Ericameria nauseosa var. speciosa Helen V. Witham 1969-10-4 452 Siskiyou Black Butte Summit, 4I(c) miles south of Weed. 1000 Comment
  HSC61781  Erigeron aliceae Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  POM357568  Erigeron aliceae M. B. Dunkle 1944-08 9298 Siskiyou Marble Mts. 2439 Comment
  UC455846  Erigeron bloomeri var. bloomeri I. J. Condit 1911-7-28 Siskiyou summit of ridge between Castle Lake and Mount Bradley Comment
  CAS-BOT-BC294898  Erigeron cervinus K. T. Stillman 1976-9-9 471 Siskiyou Marble Mountain Wilderness Area. N & NE & E side of Black Mtn. Comment
  CHSC93538  Erigeron divergens Lowell Ahart; John Dittes 2005-6-10 12080 Siskiyou South edge of irrigated pasture, about 80 yards northeast 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-BC300379  Erigeron eatonii var. plantagineus Alice Eastwood 1921-7-28 10902 Siskiyou Medicine Lake Comment
  CAS-BOT-BC300476  Erigeron filifolius Alice Eastwood 1912-7-19 1223 Siskiyou Mount Shasta Comment
  CAS-BOT-BC300473  Erigeron filifolius A. A. Heller 1938-7-12 15255 Siskiyou Near the western base of Deer Mountain 16 miles northeast of Weed on Highway #97 Comment
  UCR93349  Erigeron filifolius var. filifolius Kathy Harper, D. Karr 1994-6-16 s.n. Siskiyou Sierra Nevada Mtns, 31 mi. NE of Bartle, meadow at junction of Medicine Lake Rd & road to Schonchin Springs, at Headquarters Camp 1982 Comment
  HSC59017  Erigeron foliosus var. confinis Marvin Butler 1971-8-11 272 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1769 Comment
  HSC68279  Erigeron foliosus var. mendocinus J. P. Smith, Steve Selva 1970-6-15 3926 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC29237  Erigeron glacialis var. glacialis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1174 Siskiyou Marble Mtn. Wilderness Area, English Peak area, N of Tobacco Lake 1890 Comment
  SD62054  Erigeron inornatus Darley F. Howe 1965-8-8 4122 Siskiyou South side of Little Gray Back. 1435 Comment
  UC630402  Erigeron inornatus var. inornatus Annetta Carter 1939-8-21 1474 Siskiyou near crest of peak above se end of Taylor Lake (12 mi sw of Etna); Salmon Mountains 2286 Comment
  UC556436  Erigeron linearis R. D. Roseberry 1936-5-21 Siskiyou 1 mi ne Whitney Butte; Modoc Lava Beds 1447 Comment
  RSA238720  Erigeron peregrinus subsp. callianthemus Frederick W. Oettinger, R. F. Thorne 1969-8-4 1174 Siskiyou N of Tobacco Lake 1890 Comment
  CAS-BOT-BC295804  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-14 3140 Siskiyou Klamath National Forest. W. end White Mt. 1828 Comment
  POM211820  Erigeron petrophilus var. viscidulus L. C. Wheeler 1934-8-24 3219 Siskiyou Trapper Creek. 1860 Comment
  CAS-BOT-BC300094  Erigeron philadelphicus J. H. Thomas 1949-6-16 945 Siskiyou 1/4 mile north of Beaver Creek Public Camp, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest Comment
  UC163864  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-6-25 508 Siskiyou creek bank near Yreka Comment
  CAS-BOT-BC300266  Erigeron reductus var. reductus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 Comment
  HSC68481  Eriodictyon californicum Maralyn A. Renner 1980-1 817 Siskiyou Slopes N of Moffett Creek 945 Comment
  JEPS23  Eriodictyon californicum W. L. Jepson 1940-6-22 19975 Siskiyou Shasta River near Hawkinsville 792 Comment
  UC144188  Eriodictyon californicum A. A. Heller 1905-6-8 7996 Siskiyou Yreka Comment
  UCSB24926  Eriodictyon lobbii Keefe, Joseph 1967-7-11 Siskiyou Roadside, 0.5 mile north of Castle Lake, 10 miles southwest of town of Mt. Shasta 1676 Comment
  CAS-BOT-BC248837  Eriogonum compositum var. compositum H. L. Mason 1931-5-9 5865 Siskiyou Shasta Creek Comment
  SEINET3159900  Eriogonum compositum var. compositum G. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  SEINET7040086  Eriogonum congdonii A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast of Dwinnell Reservoir [Lake Shastina]. Weed Quad. UTM Zone 10, 547726mE, 4593011mN. 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
  HSC43400  Eriogonum elatum var. elatum K. T. Stillman 1976-7-30 316 Siskiyou Marble Mtn. Wilderness Area, ridge top just N of Black Mtn. 2104 Comment
  JEPS83657  Eriogonum elatum var. elatum R. Raiche 1987-7-27 70532 Siskiyou near Del Norte Co. line (just s of Oregon border; Little Grayback Ridge); Little Grayback Ridge 1676 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-BC255757  Eriogonum elatum var. villosum Carl B. Wolf 1927-8-26 1002 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  JEPS83646  Eriogonum hirtellum R. Raiche 1987-7-28 70543 Siskiyou between Polar Bear Mt. and Lookout Mountain (at Del Norte Co. line); Polar Bear Gap 1737 Comment
  UC77583  Eriogonum hirtiflorum T. S. Brandegee July 1887 Siskiyou Edgewood Comment
  CHSC1337  Eriogonum lobbii V. Holt 1942-8-6 Siskiyou Caribou Ridge. 2438 Comment
  HSC17399  Eriogonum luteolum var. luteolum C. B. Wolf 1927-8-26 1010 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CHSC99209  Eriogonum marifolium L. P. Janeway; B. Castro 2007-7-28 9125 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 6.5 km west of Glass Mountain. 2042 Comment
  HSC83320  Eriogonum marifolium D. W. Taylor 1975-8-14 5460 Siskiyou Mt. Shasta between Shasta Ski area and Green Butte 2591 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
  RSA601667  Eriogonum niveum Louis C. Wheeler 1935-6-27 3610 Siskiyou Greenview, Scott Valley. 884 Comment
  UC466019  Eriogonum nudum var. nudum H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  CAS-BOT-BC272484  Eriogonum nudum var. pubiflorum Geo. D. Butler 1910-6-26 1605 Siskiyou Near Yreka Comment
  SD53341  Eriogonum pyrolifolium var. pyrolifolium Darley F. Howe 1962-8-6 3411 Siskiyou Mt. Shasta 2438 Comment
  UC163863  Eriogonum roseum Geo. D. Butler 1908-8-2 203 Siskiyou Quartz Valley Comment
  HSC43443  Eriogonum siskiyouense Jennifer Whipple 1977-8-5 2187 Siskiyou Slopes near Little Crater Lake 2195 Comment
  HSC43444  Eriogonum siskiyouense Jennifer Whipple 1977-8-5 2188 Siskiyou Slopes near Little Crater Lake 2195 Comment
  RSA50191  Eriogonum siskiyouense E. K. Balls 1949-7-8 13913 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  CAS-BOT-BC269972  Eriogonum spergulinum var. reddingianum W. B. Cooke; V. G. Cooke 1966-7-17 37249 Siskiyou Vicinity of Inconstance Creek, Mt. Shasta 1828 Comment
  CHSC71593  Eriogonum strictum var. greenei Vernon H. Oswald; Lowell Ahart 1998-8-3 9407 Siskiyou USFS 41N03 0.2 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  CAS-BOT-BC263394  Eriogonum strictum var. proliferum Copeland 1903-9-7 3873 Siskiyou Mt. Eddy Comment
  HSC43451  Eriogonum strictum var. proliferum Jennifer Whipple 1976-7-24 1551 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  JEPS56424  Eriogonum strictum var. proliferum W. L. Jepson 1907-7-25 2961 Siskiyou Patterson Creek bed Scott Valley Comment
  HSC69549  Eriogonum ternatum Maralyn A. Renner 1980-8-4 2233 Siskiyou Ridge near FS 15N01 about 1 mi. N of Flint Valley 1494 Comment
  SBBG27992  Eriogonum ternatum L. C. Wheeler 1934-9-1 3235 Siskiyou Jaynes Cyn, Siskiyou Mtns 1950 Comment
  SDSU6747  Eriogonum ternatum D. F. Howe 1962-8-4 3384 Siskiyou Baldy Mountain. 1433 Comment
  HSC61798  Eriogonum umbellatum Ruby Van Deventer 9 Aug [year missing] Siskiyou Poker Flat 1585 Comment
  SEINET11935780  Eriogonum umbellatum Unknown 1986-1 60335 Siskiyou Goosenest Mt., open areas in red fir forest 2249 Comment
  CAS-BOT-BC267972  Eriogonum umbellatum var. argus James L. Reveal; Darin S. Reveal 1978-8-8 4808 Siskiyou Along the road from Scott Mountain Summit on California Highway 3 on the Gazelle-Callahan Road via Big Carmen Lake (USFS #40N08), 2.5 miles northeast of the Summit and about 1 mile northeast of the Lake, at the end of a ridge about 0.3 mile north of the.. 1737 Comment
  CAS-BOT-BC267983  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Jaynes Canyon, Siskiyou Mts. 1950 Comment
  CAS-BOT-BC267986  Eriogonum umbellatum var. argus L. E. Smith 1913-8-1 544 Siskiyou Mt. Eddy Comment
  UC454348  Eriogonum umbellatum var. argus I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  UC718151  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou 3.6 mi on road to Horse Creek Dry Lake Lookout; Siskiyou Mts. 1981 Comment
  RSA0005163  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mile west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna. 869 Comment
  JEPS56219  Eriogonum umbellatum var. nelsoniorum W. L. Jepson 1937-7-30 18542 Siskiyou headwaters of Indian Creek Siskiyou Mts., Poker Flat, Indian Creek 1584 Comment
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Sep 9 2008
  RSA766152  Eriogonum umbellatum var. polyanthum J. T. Howell 1939-8-2 14887 Siskiyou Spirit Lake, Marble Mts. Comment
  SD98969  Eriogonum umbellatum var. polyanthum D. F. Howe 1977-7-5 4997 Siskiyou 15 mi. SE Granada Comment
  CAS-BOT-BC262384  Eriogonum vimineum Louis C. Wheeler 1934-6-28 2811 Siskiyou Klamath National Forest. Beaver Creek 701 Comment
  CAS-BOT-BC112325  Eriophorum crinigerum William Bridge Cooke 1940-6-6 15054 Siskiyou Among rocks on the shores of Castle Lake. 1676 Comment
  UC1265449  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 767 Siskiyou just n. Tobacco Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1889 Comment
  UCD19437  Eriophorum crinigerum Charlotte K. Glenn 1967-1 165 Siskiyou Castle Lake. 1584 Comment
  CAS-BOT-BC301141  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou East side of Mt. Eddy Comment
  JEPS34733  Eriophyllum lanatum var. achilleoides W. L. Jepson 1937-7-23 18460 Siskiyou Yreka 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
  RSA92292  Eriophyllum lanatum var. achilleoides F. W. Peirson 1923-7-19 3915 Siskiyou Open Tableland 17 miles north of Bray Comment
  UC455785  Eriophyllum lanatum var. grandiflorum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC308278  Eriophyllum lanatum var. integrifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11860 Siskiyou 2.4 miles below summit of Gazelle Mt. grade, east side 1417 Comment
  CHSC99704  Eriophyllum lanatum var. lanceolatum L. P. Janeway 2008-7-24 9486 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  HSC68984  Eriophyllum lanatum var. lanceolatum Maralyn A. Renner 1980-7-24 2002 Siskiyou Lily Pad Lake 1768 Comment
  RSA12494  Eriophyllum lanatum var. lanceolatum C. B. Wolf 1934-7-4 5943 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  SEINET8687267 Image available Eriophyllum lanatum var. lanceolatum G. D. Butler 1910-5-23 1394 Siskiyou Humbug Mountain 1219 Comment
  CHSC86455  Erodium cicutarium Jenny Marr 1993-7-1 72 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  JEPS83578  Eryngium alismifolium Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-6 9246 Siskiyou White Deer Lake extreme n.e. Siskiyou Co., White Deer Lake 1508 Comment
  UC140641  Eryngium articulatum Dr. E. B. Copeland 1903-8-13 3819 Siskiyou Sisson 1066 Comment
  CAS-BOT-BC54585  Erysimum capitatum R. E. Frenkel 1965-6-14 942 Siskiyou On Everitt Memorial Highway, 2.7 miles north of McCloud River RR crossing near Mount Shasta. 1508 Comment
  RSA50152  Erysimum capitatum var. capitatum E. K. Balls 1949-7-10 13958 Siskiyou 8 miles from Sawyer s Bar on road to Cecilville. 793 Comment
  CAS-BOT-BC55114  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34276 Siskiyou North side of Mount Shasta. East side of Bolam Canyon. 2438 Comment
  HSC91049  Erysimum perenne Jennifer Whipple 1976-6-24 1131 Siskiyou N slopes of Mt. Eddy 2439 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
  UCD115071  Erysimum perenne J. M. Tucker 1963-7-7 3717 Siskiyou in vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  SD88375  Erythranthe guttata Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp Comment
  CHSC118627  Erythranthe guttata Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -029 Siskiyou Lower Parks Creek watershed, E Klamath Range; slope above Forest Service Road 42N19, 4 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539166m E, 4587170m N. 1529 Comment
  CAS-BOT-BC389661  Erythranthe linearifolia Andrew Townesmith; Karen M. Meyer 2007-8-1 881 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  JEPS82480  Erythronium grandiflorum Gilbert Muth 1966-7-8 350 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC502725  Erythronium grandiflorum Harley P. Chandler 1901-6-1 1619 Siskiyou Ridges and Meadows near Marble Mountain 2133 Comment
  CAS-BOT-BC505230  Erythronium grandiflorum Lillian Mott 1976-7-4 29 LM76 Siskiyou Lily Pad Lake west of Cook and Green Pass 2011 Comment
  HSC62633  Erythronium grandiflorum subsp. grandiflorum Ruby Van Deventer 1938-6-25 Siskiyou Youngs Valley 1524 Comment
  RSA74741  Erythronium grandiflorum subsp. grandiflorum Albert M. Vollmer, L. Beane 1951-6-2 85 Siskiyou Happy Camp, Klamath River Hwy. Comment
  JEPS61856  Erythronium hendersonii Geo. D. Butler 1909-4-24 661 Siskiyou Quartz Valley Comment
  CAS-BOT-BC402627  Eschscholzia caespitosa A. A. Heller 1918-7-16 13081 Siskiyou Fields south of Yreka Comment
  CAS-BOT-BC403671  Eschscholzia californica M. K. Curran 1887-7-1 s.n. Siskiyou Ager. Above Yreka towards Klamath Comment
  HSC61823  Eucephalus glabratus Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  SEINET5708610 Image available Eucephalus glabratus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7703 Siskiyou Scott Mts., Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 2036 Comment
  RSA507781  Eucephalus glabratus J. C. Semple, S. Heard 1986-8-16 8492 Siskiyou SW of Etna. Etna Summit on Forest Hwy 93 1646 Comment
  SD241733  Eucephalus ledophyllus Dean Wm. Taylor 1999-8-12 17314 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley). 1890 Comment
  CAS-BOT-BC310455  Eucephalus ledophyllus var. covillei Doris K. Kildale 1928-8-19 6577 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  RSA0024549  Eucephalus ledophyllus var. covillei William J. Ferlatte 1967-8-23 1108 Siskiyou Head of Kidd Creek. 2134 Comment
  HSC29205  Eucephalus ledophyllus var. ledophyllus Frederick W. Oettinger 1968-8-16 548 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; NW side of Hancock Lake 1936 Comment
  HSC41059  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-18 1981 Siskiyou S of South Sugar Lake 2073 Comment
  HSC69232  Eucephalus ledophyllus var. ledophyllus Maralyn A. Renner 1980-9-1 2714 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UC922320  Eucephalus tomentellus Annie M. Alexander and Louise Kellogg 1949-7-23 5854 Siskiyou Sky High Valley Marble Mountains, Paradise Valley 1920 Comment
  JEPS51868  Euphorbia crenulata Geo. D. Butler 1909-4-28 909 Siskiyou Cherry Creek Comment
  UC1096796  Euphorbia crenulata Milo S. Baker, Douglas Barbe, and H. K. Wagnon 1957-6-15 13104 Siskiyou just s Weed; Scott Mountains Comment
  RSA47787  Euphorbia crenulata Roxana S. Ferris, Laura Lorraine 1948-6-12 11849 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  CDA4823  Euphorbia cyparissias T. C. Fuller 1962-6-16 8968 Siskiyou East of main house, Meiss Lake Ranch, southwest edge of Meiss Lake Basin, ca. 7 miles west of Macdoel. 0 Comment
  CDA35309  Euphorbia spathulata 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
  CAS-BOT-BC310632  Eurybia radulina John Thomas Howell 1939-8-9 15246 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC459230  Euthamia occidentalis Geo. D. Butler 1910-8-27 1859 Siskiyou Oro Fino Comment
  CAS-BOT-BC278205  Festuca altaica William Adams Dayton 1913-6-14 235 Siskiyou Shasta National Forest. E. Fk. of Scott River range 1706 Comment
  CAS-BOT-BC283181  Festuca californica subsp. californica J. H. Thomas 1954-5-13 4161 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, along Rush Creek, Salmon Mountains, Klamath National Forest 1127 Comment
  UCD65872  Festuca californica subsp. californica R. Tofsrud 1948-8-1 Siskiyou Near summit of road from Happy Camp to O'Brien, Oregon. 1219 Comment
  CAS-BOT-BC278734  Festuca idahoensis G. J. Muth 1969-8-10 1318 Siskiyou Ridge w. of Boulder Peak Comment
  RSA47658  Festuca idahoensis Roxana S. Ferris, Laura Lorraine 11797 Siskiyou Scott Mountain Road south of Callahan Comment
  RSA582088  Festuca idahoensis L. C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek. 1220 Comment
  HSC39910  Festuca occidentalis J. P. Smith, Steve Selva 1970-7-16 4400 Siskiyou Blue Mtn. Comment
  HSC42963  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-5-30 2757 Siskiyou Along Specimen Creek. 915 Comment
  UCD66131  Festuca occidentalis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3614 Siskiyou 5 miles NE of Happy Camp above Klamath River. Comment
  UC1265439  Festuca pratensis F. W. Oettinger 1969-8-16 1402 Siskiyou near, w Siskiyou County English Lake; Salmon Mountains, Wiregrass Meadow 1676 Comment
  UC70746  Festuca pratensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  JEPS57228  Festuca roemeri L. R. Heckard 1967-8-13 1711 Siskiyou e flank Mt. Eddy 2727 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-BC279075  Festuca rubra L. P. Janeway 1983-7-7 390 Siskiyou Siskiyou Mountains; ridge just north-west behind West Branch Guard Station 701 Comment
  UC1735838  Festuca viridula Dean W. Taylor 1999-8-12 17311 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  UC221671  Fragaria vesca H. E. Brown Jun 11 1897-Jun 16 1897 348 Siskiyou n side Mt. Shasta 1524 Comment
  CAS-BOT-BC457570  Fragaria vesca subsp. californica Doris K. Kildale 1929-4-27 7555 Siskiyou Cecilville Comment
  JEPS128459  Fragaria virginiana Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -060 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. 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
  SEINET6699530  Fragaria virginiana var. platypetala G. D. Butler 1910-5-10 1315 Siskiyou Goosenest Foothills 1524 Comment
  HSC100197  Frangula californica J. P. Smith, & J. O. Sawyer 2011-9-6 13421 Siskiyou Along East Moffett Creek Road 983 Comment
  CAS-BOT-BC59981  Frangula purshiana C. Hart Merriam 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek. Comment
  CAS-BOT-BC60013  Frangula purshiana H. A. Thomas; J. H. Thomas 1954-7-22 4452 Siskiyou Salmon - Trinity Mts. about 6 mi. se. of Cecilville. Between Rush and Big Bend Creeks, 0.25-0.5 mi. n. of S. Fork of 975 Comment
  SEINET10495780  Frasera albicaulis David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17939 Siskiyou 9 mi N of Weed, on US Hwy 97, at Whitney Creek. Sw-facing slope; volcanic (pumice) some sedimentary loamy soil; assoc. with Pinus ponderosa, Artmisia, Bromus, and Arctostaphylos. 1250 Comment
  CAS-BOT-BC223580  Fraxinus latifolia G. B. Grant 1902-9-13 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC502843  Fritillaria atropurpurea Harley P. Chandler 1901-6-1 1592 Siskiyou Ridges and meadows near Marble Mountain 1981 Comment
  CAS-BOT-BC502846  Fritillaria atropurpurea Gilbert Muth 1966-7-8 356 Siskiyou Marble Valley, Marble Mountains 1792 Comment
  CAS-BOT-BC506213  Fritillaria pudica Ira L. Wiggins 1950-5-28 12391 Siskiyou .3 mile west of Carmen Lake Comment
  UC1001152  Fritillaria pudica Dorothy Parker 1949-4-4 212 Siskiyou Siskiyou Mountains, e side of Scott Valley, near Hartsval Gulch Scott Valley; Siskiyou Mountains, Scott Valley 859 Comment
  UC375206  Fritillaria recurva Geo. D. Butler 1909-4-14 596 Siskiyou Humbug Road Comment
  HSC39778  Fritillaria recurva J. O. Sawyer 1970-4-4 2079 Siskiyou Along Sugar Creek 823 Comment
  RSA607099  Fritillaria recurva Louis C. Wheeler 1935-4-17 3427 Siskiyou Soap Creek, Siskiyou Mountains 1037 Comment
  HSC68357  Galium aparine J. P. Smith 1973-5-5 6503 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC68498  Galium aparine Maralyn A. Renner 1980-6-22 896 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC67746  Galium bifolium J. O. Sawyer, J. Cole 1980-7-21 3818 Siskiyou NW of Little Mt. Hoffman 1982 Comment
  RSA238530  Galium bifolium Frederick W. Oettinger 1968-8-18 580 Siskiyou Due N of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  HSC72354  Galium bolanderi J. P. Smith, J. O. Sawyer, Kevin Sawyer, Jane Sawyer 1976-9-5 8972 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  UC888783  Galium bolanderi Lewis S. Rose 1937-7-26 37603 Siskiyou 3 mi e Mt. Shasta 1371 Comment
  HSC28215  Galium bolanderi Carl W. Mize 1972-6-8 25 Siskiyou 351 Comment
  HSC81550  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1980-7-21 6158 Siskiyou Along FS Rd. 40N08, 0.6 mi. from junction with Hwy. 3 1646 Comment
  HSC19812  Galium serpenticum subsp. scotticum F. Ehrendorfer, G. L. Stebbins 1959-6-29 5915 Siskiyou Siskiyou/Trinity Co. line, W flank of Scott Mtn. 1921 Comment
  UC139339  Galium trifidum Copeland 1903-8-13 3888 Siskiyou Sisson Comment
  RSA276855  Galium trifidum Peter Rubtzoff 1955-7-10 1952 Siskiyou Duncans Mills Marsh Comment
  JEPS80604  Galium triflorum Gilbert Muth 1966-7-29 461 Siskiyou by waterfall Marble Mt. Wilderness Area, Marble Valley 1798 Comment
  CAS-BOT-BC200583  Garrya buxifolia Doris K. Kildale 1929-7-20 8627 Siskiyou Trail along South Fork Indian Creek to Elk Lick Comment
  HSC59093  Garrya buxifolia Clark L. Miller 1978-10-21 81 Siskiyou French Camp Rd. off Hwy. 199, E of Hwy. 101 549 Comment
  CAS-BOT-BC182159  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Cr. Klamath National Forest 1066 Comment
  CAS-BOT-BC182265  Garrya fremontii Wm. F. Herrin 1921-10-10 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC182267  Garrya fremontii Wm. Bridge Cooke 1941-9-16 16319 Siskiyou Along the Castle Lake Road 1219 Comment
  JEPS95666  Garrya fremontii Vernon H. Oswald and L. Ahart 1999-7-5 9802 Siskiyou Gazelle-Callahan Hwy. 11.1 mi west of Gazelle, 0.4 mi east of summit of Gazelle Mtn.: T42N R7W Sect. 34, 3800 ft, oak woodland. Shrub at the base of a roadcut through decomposed mudstone. 1158 Comment
  RSA238747  Garrya fremontii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1199 Siskiyou South east facing slope by 'Willow Springs' along the trail between Abbotts Upper Cabin and English Lake; Salmon Mountains, Marble Mountain Wilderness Area. 1677 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
  HSC78319  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1983-8-16 538 Siskiyou At Poker Flat, road edge at upper portion of meadow 1524 Comment
  POM38543  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-8 163 Siskiyou Near lake at head of West Fork of Woolly Creek Comment
  UC1409236  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-12 1351 Siskiyou on English Lake Trail above Willow Spring (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  CHSC26180  Gayophytum heterozygum J. P. Kroessig 1977-8-5 51 Siskiyou At McBride Springs Campground, ca 4.5 km n of Mt Shasta City, at base of Mt Shasta. 1460 Comment
  UC873670  Gayophytum heterozygum Lewis S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 914 Comment
  POM258619  Gayophytum heterozygum W. Bridge Cooke 1940-7-5 15222 Siskiyou Along the Wagon Camp road in dry places near Howard, Mount Shasta. 1220 Comment
  POM258621  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15335 Siskiyou Mount Shasta: along the Memorial Highway below MacBride Springs. 1220 Comment
  HSC76722  Gentiana calycosa K. T. Stillman 1976-8-7 386 Siskiyou Marble Mountain Wilderness Area Comment
  UC878464  Gentiana calycosa Alice Eastwood 1912-8-30 2042 Siskiyou Mount Eddy Comment
  UCD169072  Gentiana calycosa J. M. Tucker; L. K. Mann 1963-8-18 3746 Siskiyou Marble Mountain Wilderness Area, Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station. 1920 Comment
  UCD169045  Gentiana newberryi B. Crampton 1956-8-21 3819 Siskiyou South slope of Gumboot Lake, headwater of the south Fork of the Sacramento River. 1920 Comment
  SD76156  Gentianella amarella subsp. amarella Helen V. Witham 1969-10-4 560 Siskiyou In bog above Kangaroo Lake, Scott Mountains. 2100 Comment
  RSA0034455  Geranium viscosissimum var. viscosissimum Geo. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  RSA240078  Geum macrophyllum Frederick W. Oettinger 1969-8-9 1316 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
  CAS-BOT-BC143590  Geum triflorum John Thomas Howell 1939-8-8 15176 Siskiyou Black Mts., Marble Mts. Comment
  JEPS98787  Gilia Sue Pappalardo 1993-7-19 504 A Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  RSA184633  Gilia capitata Clare B. Hardham 1965-8-20 13018 Siskiyou Marble Mts. Near Cudahy Lakes Comment
  UC23896  Gilia capitata subsp. capitata T. H. Gilbert June 15 1899-July 15, 1899 Siskiyou Scott River Valley Comment
  JEPS83894  Gilia capitata subsp. capitata Wayne Roderick July 1976 Siskiyou s side of Cook and Green Pass , s side Cook and Green Pass (Siskiyou Mountains) Comment
  SBBG29118  Glyceria borealis L. C. Wheeler 1934-6-26 2797 Siskiyou Cottonwood Crk 838 Comment
  SEINET198288 Image available Glyceria declinata G. L. Church 1941-6-19 1328 Siskiyou 1 mi W of Mt Shasta City rd to Abrams Lake Comment
  HSC26894  Glyceria elata J. P. Smith, J. O. Sawyer 1971-9-17 4788 Siskiyou On trail up to Little Duck lake 1829 Comment
  RSA603021  Glyceria leptostachya L. C. Wheeler 1935-7-13 3663 Siskiyou Ager. 793 Comment
  RSA183415  Glyceria striata J. M. Tucker 1963-8-19 3774 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1951 Comment
  HSC2133  Glycyrrhiza lepidota C. B. Wolf 1927-8-26 1022 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  JEPS34044  Gnaphalium palustre W. L. Jepson 1940-7-3 20101 Siskiyou Big Bear Flat (large mdw. e 5 mi se of Bartle) Big Bear Flat 1219 Comment
  UC74051  Gnaphalium palustre T. H. Gilbert June 15 1899 - July 15 1899 Siskiyou Scott River Valley Comment
  UC896938  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 Comment
  CAS-BOT-BC302671  Gnaphalium palustre Doris K. Kildale 1928-7-4 5535 Siskiyou 1 1/2 miles east of summit between Sawyers Bar & Etna Comment
  HSC27620  Goodyera oblongifolia Carl W. Mize 1972-8-19 106 Siskiyou 732 Comment
  CDA6075  Grindelia camporum T. C. Fuller 1963-8-27 11157 Siskiyou In railroad yards, Grenada, Shasta Valley. 0 Comment
  RSA749204  Grindelia camporum var. camporum K. M. Meyer, A. Townesmith 2007-7-27 165 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
  CAS-BOT-BC304882  Grindelia hirsutula Copeland 1903-8-14 3884 Siskiyou Sisson Comment
  CAS-BOT-BC388470  Gypsophila paniculata T. C. Fuller 1967-6-29 16038 Siskiyou W. of Medo-Bel Dairy, College Ave., s.w. part of Weed Comment
  HSC86549  Hackelia californica D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar; N of Haypress Meadow 1372 Comment
  CAS-BOT-BC231152  Hackelia cusickii Gary Schoolcraft 1985-6-18 1432 Siskiyou Mahogany Mountains 1584 Comment
  HSC22137  Hackelia micrantha J. O. Sawyer 1969-7-3 1040 Siskiyou Near Lipstick Lake 1951 Comment
  HSC58850  Hackelia micrantha Marvin Butler 1971-7-7 43 Siskiyou Near Mary's Meadow, close to the town of Cave Junction 1464 Comment
  HSC61915  Hackelia micrantha Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  JEPS55573  Hackelia micrantha Geo. D. Butler 1908-8-6 13 Siskiyou head of Independence Creek (Whiskey Camp); , Whiskey Camp 1676 Comment
  UC61498  Hastingsia alba W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  RSA237951  Hastingsia alba Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1301 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  SEINET8480288  Hastingsia alba G. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek. Comment
  CHSC118632  Hastingsia serpentinicola Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -007 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539582m E, 4586490m N. 1371 Comment
  CAS-BOT-BC302452  Hazardia whitneyi var. discoidea Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -026 Siskiyou The Eddys, west of Mt. Shasta. East side of Toad lake, headwaters of Middle Fork of upper Sacramento River 2103 Comment
  CAS-BOT-BC306744  Helenium bigelovii K. T. Stillman 1976-7-30 343 Siskiyou Marble Mountain Wilderness Area. Upper Marble Valley 1828 Comment
  CAS-BOT-BC306751  Helenium bigelovii Doris K. Kildale 1929-7-20 8704 a Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  JEPS93925  Helenium bigelovii Vernon H. Oswald and Lowell Ahart 1998-8-3 9414 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1554 Comment
  UC897343  Helenium bigelovii John Thomas Howell 1939-8-2 14860 Siskiyou Spirit Lake Marble Mts. Comment
  HSC62634  Helenium bigelovii Ruby Van Deventer 1958-7-12 Siskiyou Young's Valley Comment
  SEINET11848993  Helianthella californica H. M. Hall, Babcock, E. B. 1903-1 4056 Siskiyou Mount Shasta, Sierra Nevada Mountains, near Sisson 1067 Comment
  JEPS74412  Helianthus annuus W. B. and V. G. Cooke 1974-8-20 49243 Siskiyou Everett Memorial Highway Mt. Shasta Comment
  CAS-BOT-BC305573  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou Near Yreka Comment
  CAS-BOT-BC305576  Helianthus bolanderi Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CLARK-A1528-7876  Helianthus bolanderi John C. Roos 1948-9-1 3981 Siskiyou Fort Jones 853 Comment
  OBI55529  Helianthus bolanderi David J. Keil, Kathleen Keil 1992-7-21 23516 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  JEPS109775  Helianthus exilis Dean W. Taylor 2002-7-27 18280 Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  CAS-BOT-BC313461  Hemizonella minima Harley P. Chandler 1901-6-1 1641 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  JEPS38310  Hemizonella minima W. L. Jepson 1907-7-5 2823 Siskiyou Marble Mt. Comment
  JEPS84315  Hemizonella minima L. R. Heckard with J. Hickman et al. 1986-7-17 6548 Siskiyou ca 1 mi ne Buckhorn 2100 Comment
  JEPS25817  Heracleum lanatum Geo. D. Butler 1908-8-4 463 Siskiyou Shackleford Creek, Log Lake 1524 Comment
  UC164163  Hesperolinon micranthum Geo. D. Butler 1910-6-19 1582 Siskiyou Goosenest foothills 1219 Comment
  UC164322  Heterocodon rariflorum Geo. D. Butler 1910-7-8 1662 Siskiyou Shackleford Creek 1219 Comment
  UC29091  Heterocodon rariflorum Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
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  OBI53775  Heterotheca oregona var. compacta David J. Keil 1992-7-20 23479 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  UC1557834  Heterotheca oregona var. rudis J. Semple and S. Heard 1986-8-16 8496 Siskiyou 9.8 km s of road to Kanagaroo Lake (just ne of CA-3, se of Etna, on road to Gazelle) Comment
  HSC58972  Heuchera cylindrica Gilbert Muth 1975-7-31 4461 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1920 Comment
  HSC86361  Heuchera cylindrica J. O. Sawyer 1983-7-7 4229 Siskiyou Top of Medicine Mtn. 2085 Comment
  UC11339  Heuchera cylindrica var. ovalifolia Milo S. Baker 1893-6 Siskiyou near Medicine Lake 2743 Comment
  CAS-BOT-BC420709  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC420711  Heuchera merriamii John Thomas Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. 1828 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
  UC1190182  Heuchera merriamii Ira L. Wiggins 1955-7-27 13561 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC61159  Heuchera rubescens Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UCR66568  Heuchera rubescens L. C. Wheeler 1934-8-2 3012 Siskiyou Siskiyou Mtns, Head of Jaynes Canyon 2043 Comment
  CAS-BOT-BC424370  Heuchera rubescens C. S. Robinson 1927-7-28 107 Siskiyou Sequoia Forest. Grantie Gulch Long Meadow. 2987 Comment
  OBI80260  Hieracium albiflorum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CAS-BOT-BC319692  Hieracium albiflorum P. A. Munz 1965-8-11 s.n. Siskiyou Upper meadows, Marble Valley Comment
  UC701259  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou El, Mt. Marble Mts., Elk Mt. Comment
  CDA39086  Hieracium aurantiacum Marla Knight 2013-7-2 1194 Siskiyou Quartz Valley; Private property. 0 Comment
  UC160446  Hieracium greenei I. J. Condit 1911-7-22 Siskiyou beginning of Shasta trail; Sisson Comment
  UC455911  Hieracium greenei I. J. Condit 1911-7-22 Siskiyou beginning of Shasta trail, near box factory; Sisson Comment
  RSA237426  Hieracium greenei Frederick W. Oettinger 1969-8-18 1437 Siskiyou Horse Range Lake Basin to English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1408928  Hieracium greenei Frederick W. Oettinger 1969-9-5 1685 Siskiyou next basin e of Salamander Lake Basin; Abbot's Lake 1798 Comment
  JEPS82132  Hieracium nudicaule Rimo Bacigalupi 1959-7-2 7225 Siskiyou near nort base of Caribou Mtn. (Big Flat Campground, headwaters of river, just s of low divide (Trinity Co) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  UC144251  Hieracium nudicaule A. A. Heller 1905-6-22 8088 Siskiyou near Igerna Comment
  RSA238752  Hieracium scouleri Frederick W. Oettinger 1969-8-6 1257 Siskiyou Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC320110  Hieracium triste J. M. Tucker 1950-7-23 1942 Siskiyou Panther Meadows, south slope of Mount Shasta 2407 Comment
  HSC23604  Holodiscus discolor J. O. Sawyer 1970-7-15 2351 Siskiyou Above Bear Lake 1585 Comment
  HSC4856  Holodiscus discolor J. O. Sawyer 1968-9-9 652 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA237606  Holodiscus discolor Frederick W. Oettinger 1969-8-16 1412 Siskiyou Old wiregrass meadow on English Lake Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA237611  Holodiscus discolor Frederick W. Oettinger 1969-8-3 1142 Siskiyou Hot slope above English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC165262  Holodiscus discolor Geo. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek 2 mi s of Scott River (near Mugginsville, flowing e into Evans Creek, sw Siskiyou County); Shackleford Creek 914 Comment
  SD61022  Holodiscus discolor var. glabrescens Darley F. Howe 1964-8-4 Siskiyou Dry hillside. 9 mi. south of Lava Bed Nat. Monument on road to Medicine Lake, Modoc 2042 Comment
  CAS-BOT-BC150141  Holodiscus microphyllus var. glabrescens Wm. Bridge Cooke 1938-9-17 11702 Siskiyou Ridge below Horse Camp Comment
  RSA597964  Holodiscus microphyllus var. microphyllus Louis C. Wheeler 1963-8-31 8324 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  CAS-BOT-BC289279  Hordeum brachyantherum subsp. brachyantherum Elmer I. Applegate 1923-8-17 3834 Siskiyou Medicine Lake Comment
  RSA715639  Hordeum depressum L. Ahart, John Dittes 2005-6-9 12001 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 22 1/2 miles (air) east-southeast of Grenada. 775 Comment
  CAS-BOT-BC284742  Hordeum jubatum W. B. Cooke; V. G. Cooke 1966-7-17 37253 Siskiyou Widow Springs, Mt. Shasta 1524 Comment
  JEPS44540  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou e Yreka (Shasta Valley); Shasta Valley Comment
  UC221642  Horkelia fusca H. E. Brown 1897-7-31 530 Siskiyou S side of Mt. Shasta, Siskiyou Co. Comment
  SEINET10483363  Horkelia fusca subsp. parviflora Mary Merello 1993-6-25 Merello 724 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  UC415525  Horkelia fusca subsp. parviflora H. E. Brown Jul 15 1897-Jul 30 1897 Siskiyou s side Mt. Shasta; S side of Mt. Shasta, Siskiyou Co. 1524 Comment
  CAS-BOT-BC514280  Horkelia fusca var. pseudocapitata Wm. Bridge Cooke 1938-7-15 11229 Siskiyou Mount Shasta, above Bear Springs 1676 Comment
  UCSB12366  Horkelia fusca var. pseudocapitata Dearing, Hugh; Dearing, Margaret 1939-6-5 Siskiyou E. of McCloud 1066 Comment
  CAS-BOT-BC144006  Horkelia hendersonii Roger Raiche 1986-7-19 60435 Siskiyou Road to Alex Hole (Condrey Mt.), Dry Lake 2057 Comment
  SEINET11911601  Horkelia hendersonii Unknown 1986-1 60435 Siskiyou Road to alex Hole(Condrey Mt.),Dry Lake. Open gravelly SW-facing slope,near upper edge vernal "lake" 2057 Comment
  HSC82204  Horkelia tridentata var. tridentata Thomas W. Nelson, Jane P. Nelson 1980-7-5 5969 Siskiyou Fowler's Campground 1006 Comment
  CAS-BOT-BC539439  Horkelia tridentata var. tridentata Rattan 1879-1-1 s.n. Siskiyou Siskiyou Mountains Comment
  SEINET5327382  Hosackia crassifolia var. crassifolia G. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  HSC2400  Hosackia oblongifolia William J. Ferlatte 1966-8-18 412 Siskiyou 3 mi. S of Big Flat 1585 Comment
  CAS-BOT-BC312571  Hulsea nana Wm. Bridge Cooke 1938-9-8 11605 Siskiyou Mount Shasta. Little Red Butte Comment
  HSC22099  Hydrophyllum fendleri var. albifrons J. O. Sawyer 1969-7-16 1151 Siskiyou W of Waterdog Lake 2073 Comment
  UC163836  Hydrophyllum fendleri var. albifrons Geo. D. Butler 1910-7-9 1720 Siskiyou Marble Mountain 1676 Comment
  CAS-BOT-BC312852  Hymenoxys lemmonii Brandegee No date on label s.n. Siskiyou Montague Comment
  POM211776  Hymenoxys lemmonii L. C. Wheeler 1934-10-21 3334 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  UC54079  Hymenoxys lemmonii H. M. Hall and E. B. Babcock 1903-6-1 4091 Siskiyou 3 mi ne Edgewood; Sierra Nevada Mountains, Mt. Shasta, Shata Valley 914 Comment
  JEPS66821  Hypericum formosum var. scouleri Geo. D. Butler 1908-8-2 6 Siskiyou Log Lake 1371 Comment
  JEPS66830  Hypericum formosum var. scouleri Geo. D. Butler 1908-7-21 5 Siskiyou Oro Fino 762 Comment
  UC61688  Hypericum formosum var. scouleri Geo. B. Grant September 1902 5248 Siskiyou Mt. Shasta 609 Comment
  POM86619  Hypericum formosum var. scouleri Geo. D. Butler 1910-7-3 1627 Siskiyou Creek bank (illegible) foothills. 1220 Comment
  CAS-BOT-BC401288  Hypericum perforatum Doris K. Kildale 1928-7-1 5320 Siskiyou Forks of Salmon Comment
  UC643277  Iliamna bakeri W. Bridge Cooke 1940-7-12 15337 Siskiyou Mount Shasta, along the Memorial Highway Mount Shasta; , Memorial Highway 1463 Comment
  UC726812  Ipomopsis aggregata A. A. Heller 1938-7-12 15250 Siskiyou 5 mi n Weed (along US Hwy 97) 1066 Comment
  RSA463113  Ipomopsis aggregata 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
  RSA79003  Ipomopsis aggregata subsp. formosissima E. K. Balls, P. C. Everett 1952-10-13 18191 Siskiyou Mt. Shasta, 10.2 mi n.e. of town of Mt. Shasta, John Everitt Hwy 1829 Comment
  SEINET4898742  Iris chrysophylla J. Seely s.n. Siskiyou Klamath National Forest Comment
  RSA136340  Iris tenuissima Lee W. Lenz 1953-5-13 18297 Siskiyou 9 miles north of Siskiyou County line, road to Happy Camp Comment
  CDA3769  Isatis tinctoria Margaret Bellue 1935-6-21 Siskiyou Scott Valley. 0 Comment
  SEINET10481750  Isatis tinctoria Katherine L. Morris, David B. Dunn; Patricia L. Kenney 1973-6-3 Morris 367 Siskiyou Found in an open meadow associated with yellow pine on the s. Side of hwy 3, 22 mi. E. Of fort jones. Comment
  UCD115197  Isatis tinctoria Collector unknown 1950-1 s.n. Siskiyou location unknown. Comment
  UC371167  Isoetes bolanderi G. D. Butler 1908-8-4 255 Siskiyou head of Shackelford Creek 1524 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
  HSC90597  Ivesia gordonii Jennifer Whipple 1976-6-17 1033 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  CDA39580  Juglans hindsii D. H. Shaw & Q. L. Holdeman 1977-9-26 s.n. Siskiyou Lime Gulch, Highway 96, Klamath River. 0 Comment
  CAS-BOT-BC110020  Juncus Melissa A. Berry 1957-7-1 s.n. Siskiyou Highway 97 near Hebron Summit. 1524 Comment
  RSA368201  Juncus articulatus J. P. Smith 1978-7-1 9995 Siskiyou Klamath National Forest; O Neill Creek Campground. 488 Comment
  HSC76933  Juncus drummondii K. T. Stillman 1976-8-8 397 Siskiyou Marble Mtn. Wilderness Area, trail from Jump off to Paradise Lake Comment
  RSA238902  Juncus drummondii Frederick W. Oettinger 1968-9-8 781 Siskiyou Near the outlet of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  CAS-BOT-BC110122  Juncus dudleyi Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, Somes Bar-Etna Road. 609 Comment
  HSC61118  Juncus ensifolius Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat Comment
  UC618818  Juncus nevadensis F. J. Hermann 1938-7-1 11162 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  POM312822  Juncus nevadensis H. L. Mason 1948-7-18 13614 Siskiyou Grass Lake Comment
  RSA238911  Juncus nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou Slope just SW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC22105  Juncus parryi J. O. Sawyer 1969-8-2 1721 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  UCR37587  Juncus parryi L. P. Janeway 1983-8-13 532 Siskiyou South side & above the South Fork of Indian Creek, NE of Preston Peak. 1463 Comment
  RSA238906  Juncus saximontanus Frederick W. Oettinger 1969-8-5 1205 Siskiyou Along the Abbotts Upper Cabin-English Lake trail at Willow Springs. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS94676  Juncus tiehmii Vernon H. Oswald and Lowell Ahart 1998-7-21 9362 Siskiyou on Old State Hwy 0.8 mi e Tennant Road (ne of Weed, e of Grass Lake, and w of Bray) 1417 Comment
  SEINET4856378  Juncus trilocularis Louis C. Wheeler 1934-6-22 2753 Siskiyou Klamath NF: Cottonwood Creek. 915 Comment
  SEINET10796223 Image available Juncus xiphioides Cyrus G. Pringle 1882-9-5 Pringle s.n. Siskiyou Shore of Castle Lake. Comment
  CAS-BOT-BC81134  Juniperus communis Arthur Menzies 1956-8-1 s.n. Siskiyou Above Panther Meadow, Mt. Shasta 2743 Comment
  CAS-BOT-BC81223  Juniperus occidentalis Anderson 1925-10-1 s.n. Siskiyou 10 miles north of Edgewood Comment
  SEINET10826625  Juniperus occidentalis J. William Thompson 1936-7-8 Thompson 13156 Siskiyou Lava slopes of Lava Beds, National Monument. Comment
  SEINET10859616  Juniperus occidentalis Edwin B. Copel 1903-7-4 Copeland 3545 Siskiyou Klamatha Comment
  CHSC93548  Juniperus occidentalis var. occidentalis Lowell Ahart; John Dittes 2005-6-9 12021 Siskiyou Small low hill, north fence boundary, on the east side of a poor rock fence, about 350 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
  RSA649266  Juniperus occidentalis var. occidentalis David J. Keil 1983-7-3 17378 Siskiyou 11 miles NE of junction with SR 3 along Gazelle - Callahan Road Comment
  HSC31492  Kalmia polifolia Steve Selva, Roger Jensen 1974-8-25 48 Siskiyou W end of Little Duck Lake Comment
  HSC91307  Kalmia polifolia Jennifer Whipple 1977-8-5 2172 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  CAS-BOT-BC246181  Keckiella lemmonii Wm. Bridge Cooke 1941-8-28 16228 Siskiyou On bluff above big Squaw Valley Creek Spring above McCloud, Mount Shasta 1524 Comment
  UC60949  Keckiella lemmonii Geo. B. Grant Sep 1902 4189 Siskiyou Dunsmuir Comment
  POM59665  Kelloggia galioides E. B. Copeland 1903-7-17 3516 Siskiyou Mt. Shasta. Comment
  RSA238887  Kelloggia galioides Frederick W. Oettinger 1968-9-9 807 Siskiyou On the NE side of the saddle between Toms Lake Basin and Tobacco Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1951 Comment
  UC1023831  Kelloggia galioides Douglas Barbe 1955-7-26 289 Siskiyou w of Scott Mt. summit 2042 Comment
  UC1177930  Kelloggia galioides Francia Chisaki and Gene B. Newcomb 1958-6-22 1153 Siskiyou base of Black Butte (Highway 99, e of the road) Comment
  UC138607  Kelloggia galioides Dr. E. B. Copeland 1903-7-17 3516 Siskiyou Mt. Shasta Comment
  UC889318  Kelloggia galioides A. A. Heller 1916-6-23 12432 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  SEINET10606857  Koeleria macrantha Louis C. Wheeler 1935-6-30 Wheeler 3630 Siskiyou Dry subsaline adobe flat. 3 mi. S. Grenada, Shasta Valley. 792 Comment
  RSA0107897  Kopsiopsis strobilacea Thomas H. Harris 1947-4-30 s.n. Siskiyou Near West Fork Campground, north of Happy Camp on Indian Creek Road. 1219 Comment
  UC642553  Lactuca serriola W. B. Cooke 1939-8-4 17398 Siskiyou along Sisson Southern Trail; Mount Shasta Comment
  HSC5888  Lactuca serriola R. C. Wunner 1965-8-14 414 Siskiyou California Lava Beds National Monument; near old shoreline of Tule Lake 1220 Comment
  CAS-BOT-BC204928  Lathyrus Clarence R. Quick 1959-6-19 59 -07 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  UC1185308  Lathyrus brownii H. E. Brown 1897-6-10 391 Siskiyou near Sisson; ; near Sisson, Siskiyou Co. 1083 Comment
  UC163717  Lathyrus brownii Geo. D. Butler 1910-4-21 1212 Siskiyou Oro Fino Comment
  UCD106389  Lathyrus nevadensis Alfred H. Murphy 1961-7-19 61 F Siskiyou Marble Mtns. Klamath National Forest, Sky High Valley, north end. 1584 Comment
  HSC103030  Lepidium campestre J. P. Smith 2014-6-7 13888 Siskiyou Yreka 844 Comment
  CAS-BOT-BC88926  Lepidium densiflorum var. densiflorum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC88928  Lepidium densiflorum var. densiflorum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1013 Comment
  HSC78075  Lepidium latifolium R. & G. Pederson 1980-8-12 Siskiyou Tulelake, Lower Klamath National Wildlife Refuge 1238 Comment
  RSA52437  Lepidium montanum var. canescens Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  CHSC524  Lepidium perfoliatum G. Spurlock 1935-6-1 Siskiyou Comment
  CAS-BOT-BC12997  Lepidium virginicum Edward Lee 1934-8-10 1020 Siskiyou South bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  HSC81974  Lepidium virginicum var. virginicum Barry Silver 1986-5-24 604 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 Comment
  JEPS2687 Image available Leptodactylon pungens W. L. Jepson 1940-6-23 19994 Siskiyou (e of) Mayten; Little Shasta Valley Comment
  HSC30635  Leptosiphon ciliatus Frederick W. Oettinger 1969-8-1 1129 Siskiyou Marble Mtn. Wilderness Area, edge of Wiregrass Meadow below English Lake 1677 Comment
  POM74191  Leptosiphon harknessii Edward Palmer 1892-7-13 2463 Siskiyou Mt. Shasta and vicinity. Comment
  CAS-BOT-BC341897  Lessingia nemaclada Edward Lee 1934-8-11 1041 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 441 Comment
  UC455815  Lessingia nemaclada I. J. Condit 1911-7-13 Siskiyou Dunsmuir Sacramento River 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
  CHSC33044  Lessingia ramulosa J. O. Sawyer Jr.; James Payne Smith Jr. 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at the turnoff to the Proctor Ranch, roadside. Comment
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Sep 15 2015
  CAS-BOT-BC342100  Leucanthemum vulgare Dorothy Parker 1946-7-29 s.n. Siskiyou Plowman's Valley 1188 Comment
  UC61078  Leucanthemum vulgare W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson; Mount Shasta Comment
  HSC4874  Leucothoe davisiae J. O. Sawyer 1968-6-18 209 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC83882  Leucothoe davisiae K. Berg, Stephanie Bennett 1986-8-25 640 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  CAS-BOT-BC229450  Lewisia cotyledon John Thomas Howell 1937-7-25 13474 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC18960  Lewisia cotyledon J. O. Sawyer 1969-7-1 979 Siskiyou Above Paynes Lake Creek 1951 Comment
  SEINET10535585  Lewisia cotyledon Imper 1983-1 IMPER s.n. Siskiyou Del norte co line. Preston peak quad. T17n,r5e,sec.17. Ca 1 mile sw of cracker Meadows on fringe of large active slide area. Fine granitic material, with Brewer spruce, red fir, l. Leana and l. Leana x l. Cotyledon var. Cotyledon, Found at lower elev. On more granitic material 1676 Comment
  UC852030  Lewisia cotyledon var. cotyledon John Thomas Howell 1939-8-3 14954 Siskiyou Spirit Lake Marble Mts., Spirit Lake Comment
  CAS-BOT-BC444081  Lewisia leeana Harley P. Chandler 1901-6-1 1609 Siskiyou North Coast Ranges. Near Marble Mountain 2286 Comment
  UC1949212  Lewisia leeana Barbara Ertter 1990-7-16 9372 Siskiyou W of small streamlet; N-facing slope; N side of ridge W of Parks Creek trailhead (Pacific Crest Trail crossing of Rt 17); ca 8 airmiles SW of Weed Comment
  CHSC1372  Lewisia triphylla M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  JEPS82461  Lewisia triphylla Gilbert Muth 1966-7-14 388 Siskiyou flat above Marble Valley (Marble Gap Trail); Marble Mt. Wilderness Area 1828 Comment
  RSA211258  Lewisia triphylla William J. Ferlatte 1966-6-22 74 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  CAS-BOT-BC283813  Leymus cinereus Geo. D. Butler 1910-6-13 1561 Siskiyou Near Yreka Comment
  SBBG30566  Leymus cinereus D. Myrick 1968-6-22 1997 Siskiyou northern part of Lava Beds Nat Monument near Tule Lake Nat Wildlife Refuge 1310 Comment
  UC1037116  Leymus triticoides Leo Whitney 1934-6-29 2251 b Siskiyou near Tennant; Antelope Creek 1463 Comment
  UCR37840  Ligusticum californicum L. P. Janeway 1983-8-28 632 Siskiyou Poker Flat 1529 Comment
  RSA233697  Ligusticum grayi R. F. Thorne, Fred Oettinger 1969-8-10 38967 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  CAS-BOT-BC508256  Lilium columbianum John Thomas Howell 1939-8-3 14949 Siskiyou Spirit Lake, Marble Mts. Comment
  HSC22271  Lilium kelleyanum J. O. Sawyer 1969-8-5 1737 Siskiyou W of Little Duck Lake 2073 Comment
  POM267125  Lilium kelleyanum Marion Ownbey, Fred G. Meyer 1940-7-6 2200 Siskiyou Along Cayenne Ridge, Marble Mountain. Comment
  CAS-BOT-BC509364  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC509384  Lilium kelleyanum A. A. Heller 1905-6-13 s.n. Siskiyou Near Shasta Springs Comment
  CAS-BOT-BC130820  Lilium pardalinum R. 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
  UC164415  Lilium pardalinum Geo. D. Butler 1909-7-20 886 Siskiyou Highland Mine Comment
  SEINET3887240  Lilium pardalinum Alv Dan Youngberg 1964-6-14 69 Siskiyou Humbolt Meridian.; 0 427 Comment
  CAS-BOT-BC132993  Lilium rubescens L. E. Smith 1913-7-4 s.n. Siskiyou North Fork Castle Creek Comment
  CAS-BOT-BC132996  Lilium rubescens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 Comment
  JEPS62024  Lilium rubescens H. P. Chandler 1725 Siskiyou Shackleford Canyon Comment
  SJSU6496  Lilium washingtonianum subsp. purpurascens R. W. Trivelpiece 1972-6-24 129 Siskiyou near Slater Butte 3 mi E of Klamath River c. 7 mi N of Happy Camp 1158 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
  UC1222727  Linanthus harknessii Joseph P. Tracy 1951-6-16 19476 Siskiyou near Oregon-California State line (Summit of the Siskiyous at the crossing of Takilma-Happy Camp Road); Summit of the Siskiyous Comment
  CDA6304  Linaria genistifolia subsp. dalmatica T. C. Fuller 1960-6-3 4649 Siskiyou Mt. Hebron-Medicine Lake Road, just east of Rock School Road. 0 Comment
  JEPS60247  Linaria genistifolia subsp. dalmatica L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2312 Siskiyou northwestern edge of Weed Weed Comment
  RSA0087561  Linnaea borealis subsp. longiflora E. B. Copeland 1903-8-13 s.n. Siskiyou Sisson. In several localities near Sisson, and below 5000 feet on Mt. Eddy. Comment
  SEINET4039768  Linnaea borealis var. longiflora O. M. Clark 1947-1 14400 Siskiyou Myrtle Creek, Siskiyou Mountains. Comment
  HSC60001  Linum lewisii D. L. Goforth 1979-7-7 230 Siskiyou Klamath National Forest, Condrey Mtn., near Windy Camp. 2027 Comment
  HSC4907  Listera caurina J. O. Sawyer 1968-7-10 484 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC402464  Lithophragma campanulatum Harley P. Chandler June, 1901 1608 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 2133 Comment
  RSA184753  Lithophragma glabrum Gilbert Muth 1966-7-8 366 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  RSA468258  Lithophragma parviflorum Christopher Davidson 1975-6-5 2668 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
  CHSC71327  Lithophragma tenellum Vernon H. Oswald; Lowell Ahart 1998-6-11 9209 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  CAS-BOT-BC317337  Lithospermum californicum Antone J. Soares 1922-6-1 8553 Siskiyou Shasta Springs Comment
  HSC22242  Lolium perenne J. O. Sawyer 1969-8-1 1617 Siskiyou On trail to Eaton Lakes. 1799 Comment
  HSC43035  Lomatium dasycarpum subsp. dasycarpum J. O. Sawyer, Ken Stillman 1976-7-2 2808 Siskiyou Ridges E of the Little N Fork Trail 732 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
  HSC37444  Lomatium engelmannii John Rehling 1976-5-29 404 Siskiyou Just N of Callahan beside Hwy 3 on steep E facing slope Comment
  UC1473423  Lomatium engelmannii Gilbert Jerome Muth 1978-8-4 7757 Siskiyou near Scott Mountain (close to town of Callahan) 2080 Comment
  HSC18971  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-6-28 6148 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  POM82356  Lomatium nudicaule Geo. D. Butler 1910-5-19 1363 Siskiyou Siskiyou County, Dry land, Yreka Comment
  UC875131  Lomatium peckianum Lewis S. Rose 1934-4-20 34234 Siskiyou 4 mi N of Weed 1066 Comment
  JEPS101783  Lomatium vaginatum Dean W. Taylor 1999-6-9 17239 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  CAS-BOT-BC240845  Lonicera interrupta Geo. D. Butler 1900-6-17 1571 Siskiyou Near Yreka Comment
  CAS-BOT-BC240847  Lonicera interrupta L. E. Smith 1913-5-14 s.n. Siskiyou Yreka Comment
  UC28530  Lonicera interrupta Miss Edmonds July 1890 Siskiyou Comment
  CAS-BOT-BC243923  Lonicera involucrata var. involucrata Geo. D. Butler 1910-7-9 1700 Siskiyou Margin of Shackleford Creek 1219 Comment
  JEPS107490  Lotus humistratus 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
  UC375405  Lotus humistratus Geo. D. Butler 1908-7-1 388 Siskiyou near Yreka Comment
  CDA27282  Lotus nevadensis var. nevadensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2788 Siskiyou West of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. Comment
  UC1408890  Lotus purshianus var. purshianus F. W. Oettinger and R. F. Thorne 1969-8-5 1215 Siskiyou Abbott's Upper Cabin, w Siskiyou County Salmon Mountains 1524 Comment
  RSA211154  Lotus unifoliolatus William J. Ferlatte 1967-7-9 682 Siskiyou Kidd Creek Trail, densely wooded canyon; Trinity Alps. 1677 Comment
  HSC30470  Lotus unifoliolatus var. unifoliolatus Frederick W. Oettinger, R. F. Thorne 1969-8-5 1215 Siskiyou Abbott's Upper Cabin, Salmon Mts. 1524 Comment
  JEPS44646  Luetkea pectinata Geo. D. Butler 1908-8-5 223 Siskiyou summit above Cold Spring; West Fork of Wooley Creek 1828 Comment
  RSA237597  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCR80256  Luetkea pectinata L. C. Wheeler 1934-8-14 3121 Siskiyou Siskiyou Mtns., 1 mile west of White Mt. 1921 Comment
  SBBG28029  Luina hypoleuca C. B. Wolf 1927-8-7 Siskiyou Klamath River at the mouth of Crawford Crk Comment
  RSA119493  Lupinus C. P. Smith 1947-5-13 47275 Siskiyou 6.9 miles east of Weed. Highway 97. Comment
  UCD105846  Lupinus albicaulis Rimo Bacigalupi; George Bacigalupi Jr. 1959-6-30 7182 Siskiyou southwest of Mt. Shasta (town). 1036 Comment
  UCD105875  Lupinus albicaulis W. A. Williams 1957-7-23 57 S Siskiyou Siskiyou-Trinity County line. Deadfall Creek Shasta National Forest (e. of Mt. Eddy). 2011 Comment
  UC157023  Lupinus albicaulis var. shastensis Geo. D. Butler 1910-6-6 1465 Siskiyou Quartz Valley Comment
  UC157024  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-7-20 371 Siskiyou Humbug Creek Comment
  RSA126055  Lupinus albicaulis var. shastensis I. L. Wiggins 1955-7-21 13437 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  RSA215615  Lupinus albicaulis var. shastensis Gilbert Muth 1969-8-7 1231 Siskiyou Boulder Peak 2530 Comment
  SEINET11071672 Image available Lupinus albicaulis var. shastensis A. A. Heller 1905-1 8024 Siskiyou Shasta Springs Comment
  CAS-BOT-BC195971  Lupinus albifrons var. albifrons Charles Piper Smith 1949-4-22 49130 Siskiyou Highway 99 - Hornbrook - West Cottonwood Creek Bridge Comment
  CAS-BOT-BC196329  Lupinus albifrons var. flumineus Charles Piper Smith 1949-4-22 49134 Siskiyou Klamath River Bridge, 1.5 miles south - Shasta River Canyon Comment
  UC1303128  Lupinus argenteus A. A. Heller 1928-6-9 14607 Siskiyou near the creamery at Montague Montague Comment
  HSC14940  Lupinus aridus R. Spellenberg 1964-6-20 485 Siskiyou 3 mi. NE of Weed, Hwy. 97. Comment
  UC909320  Lupinus aridus Dorothy Parker 1948-7-14 Siskiyou 2 mi from Etna ( Scott Valley) 670 Comment
  HSC22260  Lupinus breweri J. O. Sawyer 1969-7-11 1341 Siskiyou Se facing slope above S Sugar Creek 1753 Comment
  HSC30418  Lupinus breweri var. breweri Frederick W. Oettinger 1968-8-4 397 Siskiyou Salmon Mtns., E of English Peak Lookout. 2210 Comment
  CAS-BOT-BC215169  Lupinus croceus Clarence R. Quick 1958-6-17 58 -26 Siskiyou Near Black Bear Summit S of Sawyer's Bar on ridge road to Cecilville 1356 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
  JEPS26527  Lupinus croceus Lauramay T. Dempster 1961-7-3 1867 Siskiyou se Callahan; w face of Scott Mountain Comment
  POM24904  Lupinus klamathensis Geo. D. Butler 1910-4-30 1253 Siskiyou Dry hill near Yreka. Comment
  HSC27342  Lupinus lapidicola J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5703 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  RSA523664  Lupinus lapidicola Richard Halse 1989-5-6 3817 Siskiyou Along Old Hwy 99, 3.2 miles south of Gazelle or 4.2 miles north of its jct with Old Stage Road. 888 Comment
  HSC25460  Lupinus lepidus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5655 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  UC144596  Lupinus lepidus var. sellulus A. A. Heller 1905-6-1 7933 Siskiyou between Upper Soda Spring and Shasta Retreat; between Upper Soda Spring and Shasta Retreat Comment
  UCD108577  Lupinus lepidus var. sellulus Freed W. Hoffman 1948-7-13 2652 Siskiyou north of Tennant on Butte Creek road. 1295 Comment
  UC1401213  Lupinus microcarpus var. microcarpus K. Morris, LeDoux and Dunn 1973-6-2 339 Siskiyou on Hornbrook to Montague road about 1 mi se Hornbrook; se of Hornbrook Comment
  UC1096808  Lupinus obtusilobus H. K. Wagnon 1957-8-11 1688 Siskiyou 3 mi w of Military Pass Rd on road to Brewer Cr. e slope Type Loc. Mt. Shasta; e slope of Mt. Shasta on road to Brewer Cr. Comment
  UCD109316  Lupinus obtusilobus E. Whitney 1934-6-17 s.n. Siskiyou Mt. Shasta. 2133 Comment
  RSA0069563  Lupinus onustus Daisie Huang 2006-8-4 06080405 Siskiyou Castle Lake Road. 1326 Comment
  SEINET6193751 Image available Lupinus polyphyllus A. A. Heller 1916-1 s.n. Siskiyou near Sisson 1074 Comment
  UCD109364  Lupinus polyphyllus A. A. Heller 1920-7-6 13415 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  CDA27572  Lupinus polyphyllus var. burkei T. C. Fuller 1964-6-24 12246 Siskiyou 0.2 mile south of Mugginsville, Quartz Valley. 0 Comment
  HSC71651  Lupinus sellulus var. artulus J. P. Smith, Steve Selva 1970-6-16 4005 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  NY16055  Lupinus viridifolius A. A. Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC436704  Luzula comosa var. laxa Louis C. Wheeler 1934-6-12 2691 Siskiyou Klamath Forest, North Hungry Creek 1463 Comment
  RSA211376  Luzula comosa var. laxa William J. Ferlatte 1967-8-19 1038 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. Trinity Alps. 1524 Comment
  RSA211372  Luzula divaricata William J. Ferlatte 1967-8-21 1078 Siskiyou Sawtooth Ridge, Caribou Basin. Ridge west of Big Caribou Lake. Trinity Alps. 2134 Comment
  RSA238894  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou Where the old Tanner s Peak trail meets the English Peak trail along the ridge leading up to the peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  CHSC115766  Luzula macrantha P. F. Zika 2012-5-18 25887 Siskiyou Near Dunsmuir Avenue, south end of town of Dunsmuir, 3.6 air km SE of Mount Bradley, Klamath Range. 730 Comment
  UC1026902  Luzula parviflora W. Bridge Cooke 1940-8-8 15418 Siskiyou along Squaw Valley Creek below McCloud intake; Mount Shasta, along Squaw Valley Creek Comment
  UC3045  Luzula subcongesta W. H. Brewer 1862-9-13 1378 Siskiyou near Camp 99 (Mount Shasta); , Near Camp 99 2560 Comment
  UCR131619  Lycium barbarum L. C. Wheeler 1934-11-4 3356 Siskiyou Marble Mtns, Scott Bar, Scott River 518 Comment
  RSA639487  Machaeranthera 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-BC342668  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  JEPS40212  Madia citriodora Geo. D. Butler 1908-5-14 698 Siskiyou Klamath River Comment
  UC1185946  Madia citriodora L. E. Detling 1950-6-11 6638 Siskiyou Siskiyou Pass 1127 Comment
  CAS-BOT-BC343992  Madia elegans L. R. Abrams 1927-9-11 12147 Siskiyou Pacific Highway between Hilt and Hornbrook Comment
  CAS-BOT-BC343442  Madia gracilis Carl B. Wolf 1934-7-4 5939 Siskiyou Klamath River, Horse Creek - Dry Lake Lookout, Siskiyou Mts., 13 1/2 mi. from Horse Creek Bridge 1524 Comment
  UC830825  Madia gracilis Lewis S. Rose 1937-7-26 37607 Siskiyou McCloud 1005 Comment
  UCR37838  Madia gracilis L. P. Janeway 1983-7-31 477 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  CAS-BOT-BC343438  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou McBride Springs, Mount Shasta 1524 Comment
  POM362185  Madia gracilis subsp. gracilis L. C. Wheeler 1934-6-4 2646 Siskiyou Siskiyou Mountains: Horse Creek near mouth 762 Comment
  RSA537395  Mahonia aquifolium W. Wisura, J. Romero 1991-10-17 4595 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  RSA120635  Maianthemum racemosum subsp. amplexicaule G. D. Barbe 1955-8-1 323 Siskiyou Klamath Mountains: Summit of Mt. Bolivar 2470 Comment
  CAS-BOT-BC514188  Maianthemum stellatum Mabel E. Stonehouse 1916-6-17 s.n. Siskiyou Hilt Comment
  POM311185  Malacothrix floccifera Lincoln Constance, J. F. Davidson, B. Kasapligil, H. L. Mason 1950-7-15 3355 Siskiyou Scott River, Scott Valley between Fort Jones and Etna 915 Comment
  CHSC72239  Malva neglecta Vernon H. Oswald; Lowell Ahart 1998-9-16 9643 Siskiyou Hwy. 161 at the Lower Klamath NWR 5.9 mi east of Hwy. 97. 1243 Comment
  SBBG27134  Marah oregana L. C. Wheeler 1934-8-2 3026 Siskiyou Alnus meadow, Jaynes Cyn, Siskiyou Mtns 1828 Comment
  JEPS107390  Marrubium vulgare Lowell Ahart, John Dittes 2005-6-10 12106 Siskiyou Rocky high bank, on the east side of the Shasta River, about 20 yards south 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
  CDA5691  Marrubium vulgare T. C. Fuller 1970-5-27 19588 Siskiyou Interstate 5, at new truck inspection station, Dunsmuir Grade, 4 miles north of Dunsmuir. 0 Comment
  UCD78181  Medicago lupulina Robert E. Preston 2008-5-15 2632 b Siskiyou Ca. 3.25 mi N of Somes Bar, along Hwy 96 256 Comment
  CAS-BOT-BC271151  Melica Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  CAS-BOT-BC269228  Melica aristata John Thomas Howell 1937-7-23 13365 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS109400  Melica aristata Dean W. Taylor 2004-7-20 19192 Siskiyou Mt. Shasta, slopes southwest of Squaw Valley Creek 1889 Comment
  SJSU6513  Melica aristata R. W. Trivelpiece 1972-6-14 112 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1341 Comment
  UCD86259  Melica aristata P. B. Kennedy 1923-7-29 s.n. Siskiyou S. West of Sisson. Comment
  CAS-BOT-BC271215  Melica bulbosa K. T. Stillman 1976-6-15 68 Siskiyou Marble Mountain Wilderness Area 1828 Comment
  UC333418  Melica bulbosa unknown 1889-6-23 Siskiyou near Dunsmuir (Delta Station) Comment
  UCD87262  Melica fugax A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3410 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UCD87557  Melica harfordii R. Tofsrud 1948-8-1 s.n. Siskiyou : Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  POM114778  Melica spectabilis Geo D. Butler 1910-4-19 1196 Siskiyou Yreka Comment
  HSC30607  Melica subulata Frederick W. Oettinger 1969-8-16 1394 Siskiyou Marble Mtn. Wilderness Area, SW of Wiregrass Meadow above English Lake. 1677 Comment
  JEPS100299  Melilotus indicus Dean W. Taylor 2001-8-28 17907 Siskiyou 12 air mi NE of McCloud (Ash Creek Butte, western base of); Mount Shasta, upper Sacramento River watershed 1767 Comment
  JEPS93967  Mentha canadensis Vernon H. Oswald and Lowell Ahart 1998-9-16 9635 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  UCLA58369  Mentha spicata Louis C. Wheeler 1934-9-22 3301 Siskiyou Klamath River Walker (Walker); Siskiyou Mts., Klamath River 518 Comment
  SBBG14878  Mentzelia A. I. Richardson 1961-6-8 16 Siskiyou Big Springs Rd N of jct with Hwy 97 914 Comment
  JEPS95827 Image available Mentzelia albicaulis Vernon H. Oswald and L. Ahart 1999-7-5 9798 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle: T42N R7W Sect. 26, 3000 ft, mixed hardwood-coniferous forest 914 Comment
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Apr 17 2008
  UC1368674  Mentzelia albicaulis W. B. and V. G. Cooke 1968-7-1 39231 Siskiyou n side Mt. Shasta (Along Andesite Road) 1524 Comment
  HSC15854  Mentzelia congesta R. C. Wunner 1965-6-6 52 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  HSC15837  Mentzelia laevicaulis D. M. Thomson 1965-8-6 169 Siskiyou Lava Beds National Monument, S Boundry Rd., by Crecent Butte. Comment
  UC1980551  Mentzelia laevicaulis C. Rose Broome, James L. Reveal, Darin Reveal, Crissie Cagle 1978-8-6 2323 Siskiyou CA highway 96, 0.8 mi. W of Hamburg, at Mill Creek, opposite the highway from the Klamath River. Comment
  UCD18334  Mentzelia laevicaulis F. G. Parsons 1946-7-26 s.n. Siskiyou Scott Mountain. Comment
  CAS-BOT-BC428548  Micranthes aprica Alice Eastwood 1912-8-30 2012 Siskiyou Mount Eddy Comment
  CAS-BOT-BC428978  Micranthes ferruginea Ira L. Wiggins 1955-7-27 13548 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC348421  Micropus californicus var. californicus Geo. D. Butler 1910-5-7 1297 Siskiyou Yreka Comment
  RSA393763  Micropus californicus var. californicus L. C. Wheeler 1934-6-2 2615 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  JEPS100497  Microseris laciniata subsp. detlingii Dean W. Taylor 1999-6-9 17237 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
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Feb 26 2006
  CAS-BOT-BC349374  Microseris nutans Geo. D. Butler 1910-6-4 1498 Siskiyou Shackleford Creek Comment
  RSA17746  Microseris nutans Elmer I. Applegate 1935-6-8 9417 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
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Dec 17 2015
  UC165389  Microseris nutans Geo. D. Butler 1910-6-4 1498 Siskiyou Shackleford Creek Comment
  UC585133  Microseris nutans E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2009 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge); Rainbow Ridge 1188 Comment
  HSC22489  Mimulus breweri J. O. Sawyer 1969-7-3 1048 Siskiyou Above Lipstick Lake 1951 Comment
  JEPS29094  Mimulus breweri Lauramay T. Dempster 1961-7-2 1864 Siskiyou ridge w Salmon Mountain Summit (sw of Etna) 1828 Comment
  HSC27979  Mimulus cardinalis Gary S. Lester 1973-7-15 50 Siskiyou In Bridge Creek and along the side of Wooley Creek 485 Comment
  RSA60479  Mimulus guttatus John H. Thomas 1949-6-16 947 Siskiyou 0.25 mile north of Beaver Creek Public Camp; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  HSC420  Mimulus guttatus William J. Ferlatte 1966-8-17 401 Siskiyou NW side of Caribou Mtn. 1982 Comment
  JEPS74557  Mimulus guttatus W. J. Ferlatte 1966-8-17 401 Siskiyou nw side Caribou Mountain; Trinity Alps 1981 Comment
  UCR72553  Mimulus layneae D. M. Thompson 1992-6-29 1023 Siskiyou Near Black Butte, midway between Mt. Shasta city and Weed. 1.2 mi north of I-5 interchange (Summit Drive / Deetz Road/Truck Village Drive) along N part of Truck Village Drive (E side of I-5). At summit of hill overlooking railway junction at end of pavement 1200 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
  CHSC1764  Mimulus moschatus V. Holt 1932-6-29 Siskiyou Castle Lake. 1981 Comment
  HSC36465  Mimulus moschatus J. O. Sawyer 1969-8-4 1875 Siskiyou S of S Sugar Lake 2104 Comment
  HSC29406  Mimulus moschatus Frederick W. Oettinger 1966-8-7 41 Siskiyou High Lake Basins: just below spring at Tom Taylor Cabin 2043 Comment
  HSC445  Mimulus moschatus William J. Ferlatte 1967-8-22 1104 Siskiyou Kidd Creek Trail 1951 Comment
  RSA447997  Mimulus moschatus M. B. Dunkle 1944-7-1 9061 Siskiyou Smoky Crk., Siskiyou Natl' Forest. Comment
  HSC39821  Mimulus moschatus var. moniliformis J. O. Sawyer 1969-8-1 1661 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  JEPS84017  Mimulus nanus var. nanus L. R. Heckard with J. Hickman et al. 1986-7-17 6502 Siskiyou e Condrey Mt.; Alex Hole 1950 Comment
  UC70445  Mimulus primuloides subsp. linearifolius Milo S. Baker July 1899 Siskiyou near Sisson; Sacramento River Comment
  HSC104138  Mimulus pulsiferae Dana York 2012-7-21 3128 Siskiyou Klamath National Forest, 470 m E of Red Butte, along the road and springs around Bee Camp 1720 Comment
  HSC91028  Mimulus tilingii Jennifer Whipple 1977-8-5 2170 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  UC1409388  Mimulus tilingii Frederick W. Oettinger 1969-8-25 1542 Siskiyou w Arrow Peak (near Tom Taylor Cabin, vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1981 Comment
  HSC42964  Minuartia douglasii J. O. Sawyer, K. T. Stillman 1976-5-29 2754 Siskiyou Along Specimen Creek. 884 Comment
  CAS-BOT-BC174731  Minuartia nuttallii Doris K. Kildale 1929-8-24 8817 Siskiyou Preston Peak 2225 Comment
  CHSC75696  Minuartia nuttallii subsp. gregaria Vernon H. Oswald; Lowell Ahart 1999-7-2 9821 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. On a roadcut. 1569 Comment
  HSC69743  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-6-26 1271 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC77109  Minuartia nuttallii subsp. gregaria K. T. Stillman 1976-6-26 112 Siskiyou Trail S of Paradise Lake Comment
  CHSC69823  Minuartia stolonifera Thomas W. Nelson; Jane P. Nelson 1979-5-26 4723 Siskiyou North Coast Ranges. Along State Route 3 3 miles north of Scott Mountain Pass at junction with road 40N03. Comment
  CAS-BOT-BC229608  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  JEPS61326  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou Hill e of Yreka Comment
  UC195173  Mirabilis greenei Annie M. Alexander and Louise Kellogg 1911-6-13 131 Siskiyou 6 mi nw Callahan Comment
  HSC91200  Mitella pentandra Jennifer Whipple 1977-8-6 2234 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CHSC9489  Monardella odoratissima J. F. Goodwin 1971-7-3 135 Siskiyou 5.4 mi. south of Mt. Shasta Ski Bowl area. 1798 Comment
  RSA12493  Monardella odoratissima subsp. glauca Carl B. Wolf 1934-7-4 5944 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  JEPS63382  Monardella odoratissima subsp. pallida W. L. Jepson 1940-6-27 20049 Siskiyou e slope Mt. Shasta 1676 Comment
  CAS-BOT-BC220228  Monardella sheltonii A. M. Vollmer; L. Beane 1951-6-2 43 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  SEINET10582374  Monardella siskiyouensis A. Graff 1993-7-24 Graff 357 Siskiyou Klamath National Forest. Hwy. 96 east, 3.3 miles past the first USNFS Ranger Station, on right roadside. Growing beneath Pinus ponderosa, Quercus kelloggii. Comment
  UC456091  Monardella villosa subsp. villosa I. J. Condit 1911-7-13 Siskiyou Along R. R. Dunsmuir Comment
  UC166061  Montia dichotoma Geo. D. Butler 1909-3-23 677 Siskiyou flats e of Oro Fino Comment
  SEINET206452 Image available Muhlenbergia filiformis Rimo Bacigalupi, Mr. Deventer; Mrs. Deventer 1959-7-10 7308 Siskiyou Meadow at Twin Valley Siskiyou Mts. just east of Del Norte County line; 4 air-line miles north-northeast of Preston Peak. 1494 Comment
  UC1949300  Muhlenbergia filiformis Barbara Ertter 1900-7-14 9318 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  UC618870  Muhlenbergia jonesii W. Bridge Cooke 1938-7-29 11413 Siskiyou near borders on meadow Mount Shasta, Wagon Camp 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
  HSC100332  Muhlenbergia richardsonis J. P. Smith 2011-7-15 13300 Siskiyou Off Tennant Road at a large, open borrow pit 1417 Comment
  HSC102705  Muhlenbergia richardsonis J. P. Smith 2013-6-17 13738 Siskiyou Off Tennant Road at a large, open pit. 1417 Comment
  HSC33997  Myosotis micrantha J. P. Smith 1974-5-25 7478 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC1540139  Nama densa Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9251 Siskiyou Caldwell Butte Lava Beds National Monument, Caldwell Butte (on crater floor at northern interior, Lava Beds National Monument) 1499 Comment
  CDA40299  Nama lobbii G. Deal 1966-7-18 s.n. Siskiyou Mt. Shasta, above Mt. Shasta City, 1/4 mile behind ski rental shop on road to ski bowl. 0 Comment
  RSA760958  Narthecium californicum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63388 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  UC1191629  Navarretia intertexta subsp. propinqua Herbert L. Mason 1948-7-17 13600 Siskiyou Eastern Grass Lake Comment
  JEPS25653  Navarretia linearifolia subsp. linearifolia Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7295 Siskiyou about 4 mi nne Preston Peak (just e of Del Norte County line, Twin Valley, watershed of Indian Creek); Siskiyou Mts., Indian Creek, Twin Valley 1493 Comment
  POM75061  Navarretia pubescens Geo D. Butler 1909-5-10 740 Siskiyou Near Yreka. Comment
  UC880876  Nemophila heterophylla Louis C. Wheeler 1935-6-1 3538 Siskiyou Yreka Creek , Yreka Creek (Siskiyou Mts.) 853 Comment
  POM216191  Nemophila heterophylla Louis C. Wheeler 1935-6-1 3538 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Yreka Creek. 854 Comment
  UC1560413  Nemophila parviflora E. Joyal and D. Mehlman 1988-6-25 1273 Siskiyou Happy Camp to Takilma road (at turn-off to Bolan Lake); , Happy Camp-Takilma Road 1524 Comment
  UC880882  Nemophila parviflora Louis C. Wheeler 1935-5-5 3462 Siskiyou Greenhorn Creek , Greenhorn Creek (Siskiyou Mts.) 853 Comment
  UC52235  Nemophila pedunculata H. M. Hall and E. B. Babcock 1903-6-18 4121 Siskiyou Bartles Station , Bartles Station (McCloud River) 1219 Comment
  RSA714941  Nicotiana attenuata M. E. Fishbein, Lane Greer 2006-8-4 5884 Siskiyou West Rim of Mammoth Crater, Lava Beds National Monument, about 8 mi northeast of Medicine Lake. 1650 Comment
  JEPS107919  Nitrophila occidentalis Lowell Ahart, John Dittes 2005-6-9 12005 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-BC60574  Noccaea fendleri subsp. glauca A. A. Heller 1915-7-15 12083 Siskiyou Mount Eddy. 2072 Comment
  CAS-BOT-BC65379  Noccaea fendleri subsp. glauca R. C. Wenk 2008-7-24 935 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge south of lake. 1981 Comment
  HSC43328  Noccaea fendleri subsp. glauca Maralyn O'Meara 1974-5-26 469 Siskiyou Chandler Glade 1768 Comment
  RSA211335  Noccaea fendleri subsp. glauca William J. Ferlatte 1966-6-23 122 Siskiyou Dorleska summit; Trinity Alps. 2134 Comment
  RSA59501  Nothocalais troximoides E. K. Balls 1950-5-17 14715 Siskiyou 1.5 miles NW Schonchin Butte, lava Beds National Monument. Comment
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Sep 21 2009
  HSC19138  Nothochelone nemorosa J. O. Sawyer 1969-8-4 1849 Siskiyou S of Sugar Lake 2134 Comment
  UCR198250  Nothochelone nemorosa Dean Kelch 2007-7-25 07- 495 Siskiyou Indian Creek Road, just south of Greyback Summit 1304 Comment
  UCR80886  Nothochelone nemorosa G. Fred Hrusa 1993-8-14 11399 Siskiyou Summit of Pass between Happy Camp, California and O'Brien, Oregon. Just on the California side of the state boundary 1375 Comment
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1
  JEPS83887  Nuphar lutea subsp. polysepala Wayne Roderick 1976-7-1 Siskiyou vicinity of Cooke & Green Pass (Siskiyou Mountains, Lily Pad Lake); Siskiyou Mountains, Lily Pad Lake 1706 Comment
  RSA0013795  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-9-3 672 Siskiyou N. end of Horse Range Lake. Salmon Mountains, High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC29330  Nuphar polysepala Frederick W. Oettinger 1968-8-12 488 Siskiyou Lily Pond, W of W cove of Hancock Lake 1936 Comment
  UC61691  Oenothera elata subsp. hirsutissima Geo. B. Grant September 1902 5225 Siskiyou Sisson Mt. Shasta 914 Comment
  HSC43387  Olsynium douglasii var. douglasii Maralyn O'Meara 1974-5-26 463 Siskiyou Along USFS Rd. 47N03 1524 Comment
  UC1276071  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou just s of Sam's Neck; Fred Voelker ranch, Meiss Lake Basin, Dorris Comment
  UCD134659  Onopordum tauricum W. T. Parsons; T. C. Fuller 1960-7-26 4878 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  JEPS109703  Oreostemma alpigenum var. andersonii Dean W. Taylor 2002-7-20 18264 Siskiyou Forest Road 17 ca. 6 miles west (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  UC1222992  Oreostemma alpigenum var. andersonii Joseph P. Tracy 1949-9-16 18571 Siskiyou on the road between Callahan and Trinity Center Scott Mountain 1615 Comment
  CAS-BOT-BC500188  Orobanche fasciculata R. E. Frenkel 1963-7-13 253 Siskiyou On Everitt Memorial Highway, 1.0 mi N of McCloud River RR crossing, near Mt. Shasta 1219 Comment
  UC1024069  Orobanche uniflora subsp. occidentalis Dorothy Parker 1954-4-12 612 Siskiyou Siskiyou Mountains near Callahan. Comment
  HSC61868  Orogenia fusiformis Ruby Van Deventer 21 May [year missing] Siskiyou Poker Flat 1585 Comment
  JEPS30255  Orogenia fusiformis Al Hobart 1963-6-8 Siskiyou extreme n.w. Siskiyou co., Siskiyou Mts., Poker Flat 1536 Comment
  UC1299571  Orthilia secunda Freed W. Hoffman 1950-7-13 3647 Siskiyou Baldy Mountain Comment
  SBBG25932  Orthocarpus cuspidatus subsp. copelandii D. Myrick 1966-8-10 1532 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  RSA123541  Orthocarpus cuspidatus subsp. copelandii G. D. Barbe 1955-7-26 291 Siskiyou Northwest shoulder of Scott Mtn. 2012 Comment
  RSA50200  Orthocarpus cuspidatus subsp. copelandii E. K. Balls 1949-7-8 13904 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mtn. 1677 Comment
  UC1333322  Orthocarpus cuspidatus subsp. copelandii Dorothy Parker 1949-7-4 225 Siskiyou near summit of Scott Mountain; near summit of Scott Mountain 1582 Comment
  HSC4880  Osmorhiza berteroi J. O. Sawyer 1968-7-10 456 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC69285  Osmorhiza berteroi Maralyn A. Renner 1980-7-24 1952 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  RSA126288  Osmorhiza berteroi I. L. Wiggins 1955-7-21 13428 Siskiyou Near Mt. View Ranch 7 miles above Cecilville on S Fork of Salmon River 976 Comment
  RSA459006  Osmorhiza berteroi M. B. Dunkle 1944-6-25 9008 Siskiyou Siskiyou National Forest. 1677 Comment
  HSC41810  Oxyria digyna Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  CAS-BOT-BC316757  Packera cana Peter Hamilton Raven 1956-9-4 10390 Siskiyou pass just south of Mt. Eddy 2438 Comment
  CAS-BOT-BC316755  Packera cana William Bridge Cooke 1940-8-22 15475 Siskiyou along the west rim of Mud Creek Canyon 2743 Comment
  UC1299453  Packera cana Freed W. Hoffman 1950-7-13 3559 Siskiyou Clear Creek trail from Baldy Lookout Comment
  CAS-BOT-BC317127  Packera streptanthifolia var. streptanthifolia A. A. Heller 1922-6-22 13670 Siskiyou Shasta Valley between Gazelle and Edgewood. Comment
  CAS-BOT-BC253769  Panicum capillare Louis C. Wheeler 1934-9-20 3288 Siskiyou Lumgrey Creek, Siskiyou Mountains 670 Comment
  UCD37092  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou Siskiyou County, 1.5 miles southwest of city of Mount Shasta, Castle Lake Road. 1036 Comment
  HSC74834  Panicum capillare var. capillare J. P. Smith, J. O. Sawyer 1978-7-3 10003 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  SEINET8465067 Image available Panicum pacificum Beecher Crampton 1964-8-26 7176 Siskiyou 0.6 miles east of Bartle on Hwy. 89 Comment
  CAS-BOT-BC419730  Parnassia fimbriata Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -085 Siskiyou Headwaters of West Fork Parks Creek, adjacent to Road 41N29Y, 2 miles NE of China Mountain, eastern Klamath Ranges. 2194 Comment
  CAS-BOT-BC175608  Parnassia palustris Louis C. Wheeler 1934-8-14 3127 Siskiyou Klamath National Forest. N. side White Mt. 1767 Comment
  CHSC84741  Parnassia palustris L. P. Janeway 2003-8-9 7961 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; spring at head of uppermost fork of Seiad Creek. Meadow. 1713 Comment
  UCD86162  Pascopyrum smithii Collector Unknown 1950-3-1 s.n. Siskiyou Tule Lake area. 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
  CAS-BOT-BC202839  Paxistima myrsinites Ira L. Wiggins 1955-7-24 13487 Siskiyou Ridge betw. upper reaches of China Creek and Blind Horse Creek 1463 Comment
  CAS-BOT-BC202852  Paxistima myrsinites Doris K. Kildale 1928-7-2 5346 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC202861  Paxistima myrsinites R. F. Thorne 1969-8-2 63324 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Near jct. of Boulder Creek and N. Fork Salmon River, along trail to English Peak Comment
  CHSC95120  Paxistima myrsinites L. P. Janeway 2006-7-2 8742 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  JEPS24623  Paxistima myrsinites Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6776 Siskiyou between Shasta Retreat and Shasta Springs (directly opposite Mossbrae Falls, bank of Sacramento R.); Sacramento R. 731 Comment
  POM87426  Paxistima myrsinites Geo. D. Butler 1908-8-5 20 Siskiyou West Fork of Wooley Creek. 1677 Comment
  UC54486  Paxistima myrsinites H. M. Hall and E. B. Babcock June, 1903 4075 Siskiyou near Upton; Sierra Nevada Mts., Mt. Shasta 1219 Comment
  UCD107435  Paxistima myrsinites Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 608 Siskiyou Indian Creek Road, 0.9 mile north of junction with Poker Flat Road. Comment
  SJSU3571  Paxistima myrsinites G. R. Ostrander 1965-7-13 75 Siskiyou by McCloud R 5 mi E of Mc Cloud, 0.5 mi S of Sate Rte 89 1219 Comment
  RSA48235  Pectocarya penicillata Roxana S. Ferris, Laura Lorraine 1948-6-12 11785 Siskiyou Outskirts of Etna. Comment
  JEPS74416  Pedicularis bracteosa var. flavida W. J. Ferlatte 1966-8-17 387 Siskiyou Caribou Basin; Trinity Alps 1981 Comment
  UC922339  Pedicularis bracteosa var. flavida Annie M. Alexander and Louise Kellogg 1949-7-19 5810 Siskiyou Paradise Lake; Marble Mountains 1920 Comment
  HSC294  Pedicularis contorta William J. Ferlatte 1965-8-17 397 Siskiyou Caribou Basin 1982 Comment
  UC454810  Pedicularis densiflora I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (summit of Mount Bradley); Mount Bradley 1828 Comment
  RSA425341  Pedicularis racemosa M. B. Dunkle 1944-7-18 9149 Siskiyou Siskiyou National Forest. Comment
  UC812362  Pellaea brachyptera Louis C. Wheeler 1934-8-30 3227 Siskiyou Trapper Creek; Siskiyou Mts 1371 Comment
  JEPS80582  Penstemon anguineus Gilbert Muth 1965-7-30 140 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  CAS-BOT-BC27115  Penstemon anguineus Volney Rattan 1879-6-1 s.n. Siskiyou Indian Creek Comment
  POM42969  Penstemon anguineus Geo. D. Butler 1910-7-9 1733 Siskiyou Upper Campbell Lake, Shackleford Creek. 1372 Comment
  RSA17739  Penstemon cinereus Elmer I. Applegate 1935-6-5 9344 Siskiyou Skull Cave, Lave Beds National Monument. Comment
  UC1238934  Penstemon cinereus Freed W. Hoffman 1948-7-13 2651 Siskiyou 8.4 mi n of Tennant (on Butte Creek road); North Coast Ranges, n of Tennant 1295 Comment
  CAS-BOT-BC265370  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3853 Siskiyou W base of Redshale Mountain, Medicine Lake region 2133 Comment
  NY590160  Penstemon davidsonii var. davidsonii D. D. Keck 1927-8-17 1310 Siskiyou Horse Camp, on south side of Mount Shasta. Timberline here. 2470 Comment
  CDA41876  Penstemon deustus T. C. Fuller 1962-6-11 8953 Siskiyou East side of Highway 99 to Weed, 0.7 mile north of Black Butte Summit. 0 Comment
  HSC21012  Penstemon deustus D. M. Thomson 1965-8-7 179 Siskiyou Lava Beds National Monument, 1 mi. up cave loop road Comment
  UC454780  Penstemon deustus var. suffrutescens I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp Mt. Shasta, trail to Horse Camp (also near Sisson) 1524 Comment
  NY600709  Penstemon gracilentus F. M. Ownbey 1940-7-3 2195 Siskiyou Near timber line on east side of Mt. Shasta 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
  JEPS11460  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-1 20077 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  SEINET10432477  Penstemon humilis var. humilis Karl A. Vincent 1987-6-28 4441 Siskiyou Cascade Range, Mt. Shasta; between Mt. Shasta and the Whaleback, along Andesite - Military Pass Rd. ca 4.6 mi SE of jct. US 97 located 14.4 mi NE of Jct. US 97 and I-5 Business loop in Weed 1554 Comment
  NY1012498  Penstemon laetus subsp. sagittatus M. D. Strickler 1994-6-28 94-/ 30 -22 Siskiyou Shasta National Forest. 6.4 miles up the Everitt Memorial Highway from Mount Shasta, California Comment
  NY604503  Penstemon laetus var. leptosepalus K. A. Vincent 1987-8-12 4509 Siskiyou Sierra Nevada, Big Bear Flat; along north side of CA 89 just east of Dead Horse Summit, ca. 5.4 miles southeast of Bartle. 1249.7 Comment
  NY604562  Penstemon laetus var. sagittatus A. A. Heller 1920-7-9 13431 Siskiyou Near the summit of Mount Eddy 2590.8 Comment
  SEINET11053338  Penstemon laetus var. sagittatus Karl A. Vincent 1987-6-28 4440 Siskiyou Cascade Range Mt. Shasta; along E side of US 97 ca 5.1 mi NE of jct. I-5 bus. loop in Weed 1158 Comment
  UC1187075  Penstemon laetus var. sagittatus David D. Keck 1940-6-13 5176 Siskiyou 9 mi s MacDoel (on U.S. 97 between Dorris and Weed); s of MacDoel 1463 Comment
  RSA211394  Penstemon newberryi William J. Ferlatte 1967-8-23 1100 Siskiyou Head of Kidd Creek. 2134 Comment
  HSC19140  Penstemon newberryi subsp. berryi J. O. Sawyer 1969-7-9 1244 Siskiyou W facing slope above Bingham Lake 2317 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
  POM188516  Penstemon newberryi subsp. newberryi Marcus E. Jones 1931-7-17 28821 Siskiyou Shasta City (Session's). Comment
  NY627386  Penstemon newberryi var. newberryi C. B. Wolf 1937-8-8 9082 Siskiyou Southwest side of Mt. Shasta, 1/2 mile south of trail to Horse Camp. 1524.0 Comment
  HSC19162  Penstemon parvulus J. O. Sawyer 1969-7-25 1540 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  POM256008  Penstemon parvulus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1749 Siskiyou 2.5 miles northwest of Dry Lake Lookout, summit of the Siskiyou Mtns. Comment
  UC164357  Penstemon parvulus Geo. D. Butler 1909-7-15 937 Siskiyou Highland Mine Comment
  UC922583  Penstemon parvulus Annie M. Alexander and Louise Kellogg 1948-9-9 5610 Siskiyou near Taylor Lake; Siskiyou Mountains, near Taylor Lake 1828 Comment
  HSC474  Penstemon roezlii William J. Ferlatte 1966-8-4 299 Siskiyou Yellow Rose Mine 1982 Comment
  NY650119  Penstemon roezlii F. W. Pennell 1940-7-20 26206 Siskiyou Route 89, west of Dead Horse Summit, east of Bartle 1158.2 Comment
  UC1090389  Penstemon roezlii Milo S. Baker 1957-6-16 13169 Siskiyou Trip to Scott Mt. after turnoff near Callahan; North Coast Ranges, trip to Scott Mt. Comment
  RSA12579  Penstemon shastensis Carl B. Wolf 1934-7-6 6007 Siskiyou 5.4 miles from Mt. Shasta City on Wagon Camp Rd, SW slope of Mt. Shasta 1220 Comment
  CHSC118594  Penstemon speciosus Richard R. Halse 2016-5-29 9721 Siskiyou Along Hilt Road by its junction with Interstate Hwy. 5, east of Hilt. 939 Comment
  UC27591  Penstemon speciosus Miss Edmonds May, 1893 Siskiyou Comment
  HSC29411  Perideridia howellii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1309 Siskiyou Marble Mountain Wilderness Area, W of English Lake above main campsite 1799 Comment
  UC1390007  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-6 5881 Siskiyou 3 mi w Cecilville Comment
  HSC77241  Perideridia oregana L. P. Janeway 1983-7-17 429 Siskiyou Near FS 18N33 about 3/4 mi. from the Grayback Rd. 1006 Comment
  UCD127877  Perideridia oregana Robert E. Preston 1995-6-18 878 Siskiyou Ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  HSC405  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-2 233 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  RSA211473  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-16 371 Siskiyou Trinity Alps: Big Flat Hillside, between campground and S. Fork of the Salmon River 1524 Comment
  RSA237500  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 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
  CAS-BOT-BC413491  Persicaria amphibia Carl B. Wolf 1927-8-26 1023 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC17494  Persicaria amphibia R. C. Wunner 1965-8-24 478 Siskiyou Lava Beds NM, Capt. Jacks Stronghold Entrance 1220 Comment
  HSC101738  Petrorhagia dubia J. P. Smith, J. O. Sawyer 2010-5-2 12797 Siskiyou River access road, on the Salmon River. 164 Comment
  CAS-BOT-BC142703  Phacelia cookei W. B. Cooke; V. G. Cooke 1972-6-30 45419 Siskiyou Military Pass Road, Mt. Shasta. In margins of road. 1524 Comment
  HSC61920  Phacelia corymbosa Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 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
  HSC65581  Phacelia hastata R. White 1977-7-1 93 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  HSC97881  Phacelia hastata Juha Pykala, D. H. Norris 1987-7-8 2424 Siskiyou Little Medicine Lake, S and W sides between lake and the rd. 2043 Comment
  JEPS28695  Phacelia hastata subsp. compacta Harley P. Chandler June 1901 1655 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  SEINET12280193  Phacelia heterophylla H. P. Chandler 1901-1 1655 Siskiyou Marble Mountain 2438 Comment
  UC535111  Phacelia heterophylla subsp. virgata Mrs. H. P. Bracelin 1931-6-20 430 Siskiyou about 2 mi nw Mt. Shasta City 1051 Comment
  JEPS25769  Phacelia leonis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7460 Siskiyou along Del Norte-Siskiyou co. boundary about 13 mi nw Happy Camp (meadow of valley); Siskiyou Mts., Indian Creek drainage, Twin Valley 1524 Comment
  RSA152172  Phacelia leonis Lincoln Constance, R. C. Bacigalupi, L. Heckard 1960-7-20 s.n. Siskiyou Twin Valley, 5 miles SW of Poker Flat, Siskiyou Mountains 1555 Comment
  SBBG20780  Phacelia linearis A. I. Richardson 1961-6-8 15 Siskiyou Big Springs Rd NE of jct with Hwy 97 Comment
  SEINET3158194  Phacelia magellanica f. virgata G. D. Butler 1910-5-7 1300 Siskiyou Dry hills near Yreka Comment
  HSC41644  Phacelia mutabilis William J. Ferlatte 1966-8-4 306 Siskiyou Dorleska summit 2134 Comment
  HSC61877  Phacelia mutabilis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA12501  Phacelia mutabilis Carl B. Wolf 1934-7-4 5935 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13.5 mi. from Horse Creek Bridge on Klamath River. 1524 Comment
  SEINET3121757 Image available Phacelia mutabilis John Thomas Howell 1937-7-22 13328 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UCD120645  Phacelia mutabilis J. M. Tucker 1950-7-24 1954 Siskiyou Beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experience Station, east side of Mt. Shasta. Comment
  HSC64584  Phacelia pringlei J. O. Sawyer 1979-5-26 3361 Siskiyou Along Hwy. 3, N side of Scott Mountain. 1341 Comment
  JEPS1096  Phacelia pringlei J. G. Lemmon September 1879 Siskiyou near Sisson (headwaters of riv<er>); Shasta, Sac. River 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
  UC922466  Phacelia procera Annie M. Alexander and Louise Kellogg 1949-7-20 5814 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  UC722212  Phacelia procera C. L. Hitchcock and J. S. Martin 1939-7-6 5248 Siskiyou summit of mts. Siskiyou Mts. (on Takilma-Happy Camp road) 1676 Comment
  RSA0097436  Philadelphus lewisii Edwin Kline 1920-6-19 s.n. Siskiyou Siskiyou Mts. Comment
  RSA0097452  Philadelphus lewisii M. B. Dunkle 1944-7-14 9088 Siskiyou Siskiyou National Forest, Sierra Nevada Mountains. 1767 Comment
  UC1190253  Philadelphus lewisii Ira L. Wiggins 1955-7-21 13431 Siskiyou small gulch on Rush Creek Trail 1.5 mi above Mt. View Ranch 1036 Comment
  UCD162379  Philadelphus lewisii Charlotte Glenn 1967-6-20 113 Siskiyou east of Seiad Valley, on the Klamath River, O'Neills Creek. 60 Comment
  RSA186328  Phleum alpinum Gilbert Muth 1966-10-16 19 Siskiyou Marble Mountains 1793 Comment
  RSA467441  Phleum alpinum M. B. Dunkle 1945-7-24 9259 Siskiyou Klamath National Forest, Marble Mts. Comment
  HSC34296  Phleum pratense J. P. Smith, J. O. Sawyer 1973-8-14 7290 Siskiyou Along trail from Log Lake to Campbell Lake 1677 Comment
  UC722304  Phlox C. L. Hitchcock and J. S. Martin 1939-7-7 5274 Siskiyou 0.5 mi above Camp Chicago (on Sanger Peak Trail); Whiskey Lake 1463 Comment
  RSA238835  Phlox adsurgens Frederick W. Oettinger 1968-9-9 808 Siskiyou Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC44930  Phlox diffusa J. O. Sawyer 1978-6-21 3278 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC46003  Phlox diffusa J. P. Smith 1973-5-5 6472 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC294731  Phlox diffusa James Vale 1979-6-4 s.n. Siskiyou Sierraville Comment
  RSA120681  Phlox diffusa subsp. diffusa S. S. Tillett 1956-7-9 630 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  RSA469927  Phlox diffusa subsp. diffusa J. P. Smith 1973-5-5 6424 Siskiyou Along Cook and Green Pass road. Comment
  RSA237975  Phlox diffusa subsp. subcarinata Frederick W. Oettinger 1969-7-10 964 Siskiyou South of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  HSC36942  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-26 7585 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  POM265887  Phlox speciosa subsp. occidentalis Lincoln Constance, Reed C. Rollins 1942-5-13 2912 Siskiyou Klamath-Siskiyou Region: Scott River 2 miles northwest of Scott Bar. 488 Comment
  CAS-BOT-BC135338  Phoradendron juniperinum Alice Eastwood 1922-10-18 11543 Siskiyou Shasta Springs Comment
  CAS-BOT-BC135342  Phoradendron juniperinum Frank G. Hawksworth; D. Wiens 1964-7-4 640 Siskiyou On Mt. Shasta Ski Area Road 5 miles from US 99 (Mt. Shasta) 1524 Comment
  CAS-BOT-BC56483  Phyllodoce empetriformis Robert F. Thorne; Fred Oettinger 1969-8-10 39002 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  HSC60912  Phyllodoce empetriformis Al Hobart Siskiyou Black Butte Comment
  HSC91335  Phyllodoce empetriformis Jennifer Whipple 1976-6-30 1212 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  UCD117724  Phyllodoce empetriformis R. Tofsrud; J. M. Tucker 1948-8-2 1767 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  UCR219537  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak 2098 Comment
  CAS-BOT-BC140604  Physocarpus capitatus John Thomas Howell 1937-7-22 13287 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS44813  Physocarpus capitatus W. L. Jepson 1894-1 13845 Siskiyou n Sisson (on old stage rd); Mt Shasta Comment
  UC1034605  Physocarpus capitatus Douglas Barbe 1955-6-29 45 Siskiyou 1.8 mi e Callahan (on bank of Scott River); Klamath Mts 975 Comment
  CAS-BOT-BC73427  Picea breweriana Doris K. Kildale 1929-7-21 8746 Siskiyou Elk Lick, upper Indian Creek 1219 Comment
  CAS-BOT-BC78174  Picea breweriana Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., [Cuddyhi] Cuddihy Lake Comment
  NY30484  Picea breweriana P. Bennett 1928-7-11 s.n. 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
  UC1061686  Picea breweriana Frank A. Graham 1924-10-1 Siskiyou 1 mi e Salmon Summit Mine (headwaters of creek); Knownothing Creek 1767 Comment
  NY34632  Pinus attenuata H. E. Brown 1897-7-15 511 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
  UC1452401  Pinus balfouriana Ronald J. Mastrogiuseppe 1967-6-30 Siskiyou slope of Mount Eddy Mount Eddy 2225 Comment
  CAS-BOT-BC78405  Pinus balfouriana Maralyn O'Mera 1972-9-14 115 Siskiyou Ridge above trail to Yellow Rose [mine] Mine Comment
  RSA120899  Pinus jeffreyi Milo S. Baker 1957-6-16 13148 Siskiyou Along highway 8 W of Hazelle. [label data illegible]; Shasta valley. Comment
  CAS-BOT-BC73094  Pinus lambertiana W. R. Dudley 1899-8-9 s.n. Siskiyou S. slope Black Butte, W. of Mt. Shasta. Comment
  HSC1507  Pinus lambertiana D. M. Thomson 1965-8-14 186 Siskiyou Lava Beds National Monument 0.25 mi. S of Cauldwell Cinder Pit Comment
  HSC1516  Pinus lambertiana R. C. Wunner 1965-8-21 463 Siskiyou California Lava Beds National Monument; 1/4 mile from Caldwell Butte towards Caldwell Ice Cave 1402 Comment
  HSC29669  Pinus lambertiana Frederick W. Oettinger 1969-8-24 1538 Siskiyou Marble Mtn. Wilderness Area, 0.1 mi. N of English Lake 1768 Comment
  UC455188  Piperia elongata I. J. Condit 1911-7-15 Siskiyou tollroad Shasta Springs to McCloud Comment
  UCD120771  Plagiobothrys bracteatus K. L. Chambers; C. G. Carlbom 1962-4-21 2109 Siskiyou Hwy. 99, 5.6 mi. s. of the center of Yreka. Comment
  HSC22310  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-26 1584 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  HSC35343  Platanthera sparsiflora J. P. Smith, J. O. Sawyer 1973-8-14 7313 Siskiyou Around Cliff Lake 1860 Comment
  HSC4861  Platanthera sparsiflora J. O. Sawyer 1968-6-18 240 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  UC1045261  Platanthera sparsiflora W. Bridge Cooke 1940-7-7 15277 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  UC1409489  Platanthera sparsiflora Frederick W. Oettinger 1969-7-29 1101 Siskiyou Uncle's Lake outlet, vicinity of English Peak Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UCD19277  Platanthera sparsiflora Julie Knorr 1980-7-15 68 Siskiyou 1 mi. up Houston Creek Trail above road. 1676 Comment
  UCD137537  Plectritis congesta James P. Smith 1973-5-5 6519 Siskiyou Scott Bar, along the Scott River. Comment
  RSA433743  Plectritis macrocera Christopher Davidson 1975-6-5 2669 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
  CAS-BOT-BC261038  Poa Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake, near Salmon Mt. 1981 Comment
  UCD92173  Poa A. A. Beetle; G. L. Stebbins 1942-6-1 3449 Siskiyou 25 miles north of Happy Camp. Comment
  CAS-BOT-BC244384  Poa annua Lewis S. Rose 1945-6-22 45177 Siskiyou Beaver Creek and Klamath River 548 Comment
  CAS-BOT-BC255001  Poa bulbosa L. E. Smith 1915-5-1 s.n. Siskiyou Yreka Comment
  HSC100250  Poa bulbosa J. P. Smith, & J. O. Sawyer 2010-5-2 12806 Siskiyou Along the Salmon River Road at Butler Creek. 257 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
  SEINET10508792  Poa fibrata Louis C. Wheeler 1935-6-30 Wheeler 3629 Siskiyou Dry subsaline adobe flat, 3 mi. S. Grenada, Shasta Valley. 792 Comment
  SEINET10660119  Poa gracillima A. Arthur Heller 1905-6-9 Heller 8007 Siskiyou Montague. Comment
  CAS-BOT-BC247011  Poa nervosa Alice Eastwood 1921-7-28 10930 Siskiyou Medicine Lake Comment
  CAS-BOT-BC256014  Poa pratensis Gilbert Muth 1966-7-19 428 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  RSA602816  Poa pratensis L. C. Wheeler 1935-6-4 3549 Siskiyou Etna, Scott Valley 899 Comment
  HSC103040  Poa pratensis subsp. pratensis J. P. Smith 2014-6-7 13898 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  UCD91770  Poa pringlei A. H. Murphy 1959-7-22 59 M Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  UC167209  Poa rhizomata Geo. D. Butler 1910-4-21 1206 Siskiyou Kidder Creek Comment
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Jan 27 2015
  CAS-BOT-BC243214  Poa secunda subsp. secunda John Thomas Howell 1939-8-2 14912 Siskiyou Spirit Lake, Marble Mountains 1828 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
  UC196956  Poa secunda subsp. secunda Geo. D. Butler 1910-4-19 1200 Siskiyou Yreka Comment
  CHSC118265  Poa secunda subsp. secunda R. E. Brainerd; N. Otting 2013-7-12 2184 Siskiyou Klamath Mountains. Marble Mountain Wilderness Area. South side of Upper Wright Lake. 2255 Comment
  UC166477  Poa wheeleri Geo. D. Butler 1910-5-10 1318 Siskiyou Goosenest Foothills 1676 Comment
  UC609346  Polemonium californicum Eleanor Burks Hart 1938-8-15 889 Siskiyou Upper Wright Lake 2225 Comment
  SEINET13763051  Polemonium carneum G. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  JEPS91171  Polemonium eddyense Dean W. Taylor 1988-7-10 9962 Siskiyou Summit of Mt. Eddy ridge 2750 Comment
  JEPS20037  Polemonium micranthum George D. Butler 1909-3-16 557 Siskiyou near Yreka (Butler's Ranch); near Yreka, Butler's Ranch Comment
  CAS-BOT-BC231305  Polemonium pulcherrimum L. R. Short 1933-8-6 21 Siskiyou Klamath National Forest. Bear Lake, Marble M. 2072 Comment
  RSA105327  Polemonium pulcherrimum var. pilosum G. D. Barbe 1955-8-1 325 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  SEINET3163465  Polygala cornuta var. cornuta G. B. Grant 1024 Siskiyou Sisson, S. Cal. 1128 Comment
  RSA715950  Polygonum arenastrum L. Ahart 2005-6-10 12060 Siskiyou Near a poor dirt road 80 yards N of the pump house along the Shasta River, 1.9 miles air S of Hwy 99/97 Cutoff, 6 miles air E SE of Grenada. 777 Comment
  UC1045258  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1940-8-2 15403 Siskiyou Bear Springs Meadow Mount Shasta (along road) Comment
  UC572802  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1937-8-6 9187 Siskiyou Bear Spring Mt. Shasta 1524 Comment
  POM145046  Polygonum bistortoides C. F. Baker 1903-9-7 3854 Siskiyou Mt. Eddy. Comment
  RSA184724  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  RSA273321  Polygonum buxiforme J. P. Smith, J. O. Sawyer 1972-9-14 5807 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  CAS-BOT-BC414395  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou West Fork Cottonwood Creek, Siskiyou Mts. 1005 Comment
  RSA200040  Polygonum cuspidatum T. C. Fuller 1968-8-1 17452 Siskiyou NE corner of Siskiyou Ave and Interstate 5 freeqay, commonly naturalized on roadsides and in yard along Siskiyou Ave, N limits of Dunsmuir, Siskiyou County Comment
  UC1331765  Polygonum cuspidatum T. C. Fuller 1968-8-1 17452 Siskiyou ne corner of Siskiyou Ave. and Interstate 5 freeway (n limits of Dunsmuir); Dunsmuir Comment
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May 24 2006
  CAS-BOT-BC414586  Polygonum douglasii Wm. Bridge Cooke 1938-7-29 11422 Siskiyou Mount Shasta. Wagon Camp. Along Wagon Camp Creek Comment
  JEPS25589  Polygonum douglasii Rimo Bacigalupi 1959-7-2 7221 Siskiyou near north base of Caribou Mtn. (just so of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, headwaters of river); South Fork of Salmon River, Big Flat Campground 1508 Comment
  JEPS50558  Polygonum douglasii W. L. Jepson 1937-7-23 18456 Siskiyou near Klamath River Bridge (n of Yreka) Comment
  RSA759844  Polygonum douglasii subsp. austiniae Robert F. Thorne 1969-8-2 63401 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  UC1191243  Polygonum douglasii subsp. douglasii Herbert L. Mason 1948-7-17 13598 Siskiyou Eastern Grass Lake Comment
  UC61060  Polygonum douglasii subsp. douglasii W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta Comment
  CHSC45465  Polygonum douglasii subsp. spergulariiforme Lowell Ahart 1983-9-13 4411 Siskiyou Near the Highway 96, near the Klamath River, about 5 miles west of Interstate 5. 914 Comment
  UC971923  Polygonum douglasii subsp. spergulariiforme Herbert L. Mason 1950-7-15 14044 Siskiyou Scott Creek Scott Valley Comment
  RSA237773  Polygonum douglasii var. latifolium Frederick W. Oettinger 1969-8-14 1378 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  CAS-BOT-BC420066  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-24 10752 Siskiyou Castle Lake Comment
  CAS-BOT-BC109289  Polygonum shastense Robert F. Thorne; Fred Oettinger 1969-8-10 38987 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta. Above ski lodge. 2438 Comment
  RSA237764  Polygonum shastense Frederick W. Oettinger 1969-9-3 1611 Siskiyou Shasta Ridge N below English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  SBBG21888  Polygonum shastense D. Myrick 1964-7-25 968 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  SDSU9667  Polygonum shastense D. F. Howe 1962-8-6 3409 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  SEINET3404054 Image available Polygonum shastense W. Bridge Cooke 1941-9-10 16292 Siskiyou Horse Camp, Mt. Shasta Comment
  UC572794  Polygonum shastense W. Bridge Cooke 1937-7-28 9157 Siskiyou Mt. Shasta 2590 Comment
  POM212874  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts 1006 Comment
  HSC26551  Polypogon monspeliensis J. P. Smith, Steve Selva 1970-7-17 4437 Siskiyou 915 Comment
  HSC79148  Polystichum imbricans C. J. Thomas 1983-10-1 99 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  CAS-BOT-BC76726  Polystichum imbricans subsp. imbricans Doris K. Kildale 1929-4-27 7504 Siskiyou Cecilville Comment
  CAS-BOT-BC76728  Polystichum imbricans subsp. imbricans J. H. Thomas 1949-6-16 953 A Siskiyou Klamath National Forest - 1/4 mile north of Beaver Creek Public Camp along Beaver Creek; 5 miles north of junction Comment
  HSC79130  Polystichum kruckebergii C. J. Thomas 1983-10-1 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness area 2098 Comment
  UCD78120  Polystichum lemmonii Robert E. Preston 2001-6-30 1646 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1828 Comment
  UC1034653  Polystichum lemmonii Douglas Barbe 1955-7-26 287 Siskiyou below summit Scott Mt.; Klamath Mts. 1981 Comment
  HSC26110  Polystichum lonchitis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5681 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  RSA13704  Polystichum lonchitis L. C. Wheeler 1934-8-6 3058 Siskiyou Siskiyou Mountains; Rock Gulch off Jaynes Canyon. 1829 Comment
  SEINET8263372  Populus fremontii Frank Callahan 2007-1 Siskiyou Moffett Creek. 884 Comment
  CAS-BOT-BC102770  Populus tremuloides L. E. Smith 1918-4-29 s.n. Siskiyou Sisson Comment
  SEINET10343010  Populus tremuloides H. A. Jensen 1933-9-27 356 Siskiyou Widow Spring. Comment
  JEPS80503  Populus trichocarpa Gilbert Muth 1966-7-19 421 Siskiyou Marble Gap Trail; Marble Mt. Wilderness Area, Marble Gap Trail 1828 Comment
  CHSC57468  Potamogeton crispus L. P. Janeway 1984-6-21 852 Siskiyou West side of Klamath River at Dillon Creek. 228 Comment
  CAS-BOT-BC452130  Potamogeton crispus L. P. Janeway 1984-6-21 852 Siskiyou West side Klamath River at Dillon Creek. 228 Comment
  RSA238845  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-9-5 1684 Siskiyou Salamander Lake. 0.7 miles NE of Abbott s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1791 Comment
  RSA602928  Potamogeton richardsonii L. C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains. Lily Pad Lake, head West Fork Seiad Creek. Comment
  HSC61832  Potentilla breweri Ruby Van Deventer 1938-4-29 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC141968  Potentilla bruceae Gilbert J. Muth 1969-8-8 1280 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  JEPS44463  Potentilla drummondii Harley P. Chandler June, 1901 1564 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  RSA261500  Potentilla drummondii J. M. Tucker 1974-7-28 4320 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area. 1463 Comment
  CAS-BOT-BC143260  Potentilla flabellifolia David Keck 1938-9-8 11626 Siskiyou Springs in the South Gate Comment
  RSA211490  Potentilla glandulosa subsp. ashlandica William J. Ferlatte 1966-7-7 198 Siskiyou Caribou Basin. 1982 Comment
  RSA68942  Potentilla glandulosa subsp. ashlandica A. E. Culbertson 1943-7-7 16 Siskiyou Castle Lake, in a N facing cirque with an abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of 6600' eastern spur of Trinity Mts. 2000' above Sacramento R. within 10 air miles of its headwaters to the W. 1657 Comment
  CAS-BOT-BC540555  Potentilla gracilis var. fastigiata A. A. Heller 1915-8-26 12232 Siskiyou North side of Mt. Eddy 1981 Comment
  RSA120875  Potentilla gracilis var. fastigiata G. D. Barbe 1955-7-7 140 Siskiyou South of Forest Camp, Etna 884 Comment
  CHSC106097  Potentilla millefolia Lowell Ahart; John Dittes 2010-7-30 16938 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south 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
  CAS-BOT-BC158526  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou About a mile south of Bray, along U. S. Highway #97 Comment
  SEINET182279  Potentilla millefolia L. C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2mi NW Montague 762 Comment
  CAS-BOT-BC516389  Prosartes hookeri Alice Eastwood 1923-5-27 11941 Siskiyou Shasta Springs on road to McCloud Comment
  CAS-BOT-BC158213  Prunus emarginata Wm. Bridge Cooke 1938-6-17 11011 Siskiyou Sisson Southern Trail Comment
  CAS-BOT-BC158216  Prunus emarginata Doris K. Kildale 1929-7-20 8676 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  HSC23589  Prunus emarginata J. O. Sawyer 1969-9-12 2006 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  HSC77117  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  RSA331953  Prunus emarginata Dave Kelly 1985-7-31 4083 Siskiyou 3.3 miles from Mt. Shasta Town, along road to Castle Lake. Comment
  UC60883  Prunus virginiana var. demissa W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Mount Shasta, Sisson Mount Shasta; , Sisson Comment
  JEPS80667  Pseudognaphalium thermale W. B. and V. G. Cooke 1977-9-22 54838 Siskiyou along logging road to Mud Creek Dam Squaw Valley Creek; Mt. Shasta Comment
  CAS-BOT-BC239808  Pseudoroegneria spicata Louis C. Wheeler 1934-6-29 2831 Siskiyou Klamath National Forest, Soda Creek 1066 Comment
  CAS-BOT-BC239814  Pseudoroegneria spicata Milo S. Baker 1955-6-26 1383 Siskiyou Shasta Val., bet. Weed and Gazelle 914 Comment
  RSA13869  Pseudoroegneria spicata subsp. spicata L. C. Wheeler 1934-6-29 2831 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  UC203951  Pseudoroegneria spicata subsp. spicata Geo. D. Butler 1909-6-27 848 Siskiyou Klamath River Comment
  UC903496  Pseudostellaria jamesiana Dorothy Parker 1948-6-14 Siskiyou Plowman's Valley Rail Creek; , Rail Creek 1203 Comment
  CAS-BOT-BC80170  Pseudotsuga menziesii Carl B. Wolf 1927-8-26 1070 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  CAS-BOT-BC80176  Pseudotsuga menziesii Doris K. Kildale 1928-4-2 4402 Siskiyou Klamath River at Somes Bar Comment
  HSC69268  Pseudotsuga menziesii var. menziesii John Palmer 1980-7-23 576 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  HSC73297  Pteridium aquilinum var. pubescens M. A. Baker 1980-6-20 2194 Siskiyou Near Bald Mtn. 1036 Comment
  RSA184807  Pteridium aquilinum var. pubescens Gilbert Muth 1966-8-1 486 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  UC933382  Pterospora andromedea Annie M. Alexander and Louise Kellogg 1948-9-9 5614 Siskiyou near start of 2-mi trail from Cook & White Mine to Taylor Lake; Siskiyou Mountains Comment
  UCR17257  Purshia tridentata Frank C. Vasek 1975-6-29 750617- 02 Siskiyou 4.3 mi SW of Gazelle Comment
  CAS-BOT-BC147894  Purshia tridentata var. tridentata Nancy Ryan Zabriskie; Walter Zabriskie 1971-7-23 411 Siskiyou St. Hwy 89 just east of McCloud, southeast of Mt. Shasta Comment
  HSC60169  Purshia tridentata var. tridentata J. P. Smith 1976-5-22 8780 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  HSC99683  Purshia tridentata var. tridentata C. B. Wolf 1927-8-26 1033 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  POM301618  Purshia tridentata var. tridentata Carl B. Wolf 1941-7-26 11076 Siskiyou SW end Little Shasta Valley. 12 miles NE weed on US Hwy 97 at jct with Rd to Montague 915 Comment
  RSA30411  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou Near Black Butte, N of Sisson. 1128 Comment
  UC1539993  Purshia tridentata var. tridentata Roseberry 1936-5-15 33 Siskiyou 0.5 mi e Caldwell Butte; Lava Beds National Monument 1371 Comment
  CAS-BOT-BC147913  Purshia tridentata var. tridentata Ella Dales Cantelow 1940-6-2 4311 Siskiyou W. of Indian Wells Ranger Station Comment
  JEPS23190  Pycnanthemum californicum W. L. Jepson 1914-8-13 5785 Siskiyou Sisson 1097 Comment
  JEPS26519  Pyrola aphylla Lauramay T. Dempster 1961-7-1 1848 Siskiyou Mill Creek near Etna 1219 Comment
  CAS-BOT-BC460864  Pyrola aphylla Ira L. Wiggins 1955-7-21 13442 Siskiyou Rush Creek Trail, 2 mi. above Mt. View Ranch 1097 Comment
  SEINET8404856  Pyrola aphylla L. E. Detling 1947-6-3 6047 Siskiyou Happy Camp, Klamath Nat'l. Forest. 335 Comment
  RSA756945  Pyrola asarifolia R. F. Thorne 1969-8-2 63338 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC44585  Pyrola asarifolia subsp. asarifolia Laura Witherspoon 1977-7-30 Siskiyou Periphery of Flint Valley 1341 Comment
  HSC19199  Pyrola crypta J. O. Sawyer 1968-7-23 623 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC61508  Pyrola dentata Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC73213  Pyrola dentata Gail Newton 1980-6-20 501 Siskiyou Near Bald Mtn. 250 Comment
  HSC17973  Pyrola dentata R. C. Wunner 1965-7-20 403 Siskiyou Lava Beds National Monument, near upper part of Black Lava flow along Old Tichner Rd. 1616 Comment
  UC138183  Pyrrocoma carthamoides var. cusickii J. W. Congdon 1900-8-18 Siskiyou Castle Lake Trail, Shasta Region Comment
  HSC70458  Pyrrocoma racemosa var. pinetorum J. P. Smith, J. O. Sawyer 1976-9-5 8971 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  JEPS98388  Pyrrocoma racemosa var. pinetorum Vernon H. Oswald 2000-8-28 9960 Siskiyou Hwy. 3, 2.2 mi N of Scott Mountain Summit 1411 Comment
  HSC18864  Quercus chrysolepis G. L. Clifton, Griswold 1979-6-26 5965 Siskiyou Near Merrill Creek 351 Comment
  UCD45700  Quercus douglasii Miss C. Hoak 1903-1 Siskiyou 16 mi S. of Ashland, Oregon, near Calif. Line- 3000 ft. up the Siskiyou. 914 Comment
  HSC29142  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-1 632 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  JEPS37847  Quercus garryana var. breweri W. L. Jepson 1907-7-5 2845 Siskiyou Marble Mt. Comment
  CAS-BOT-BC105102  Quercus kelloggii Copeland 1933-7-14 3521 Siskiyou Klamathon Comment
  CAS-BOT-BC104348  Quercus sadleriana John Thomas Howell; Gordon H. True 1972-6-8 48854 Siskiyou S of summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC104359  Quercus sadleriana C. L. Hitchcock; J. S. Martin 1939-7-6 5221 Siskiyou on Takilma - Happy Camp Road 1676 Comment
  CDA22036  Quercus sadleriana T. C. Fuller, Don Shaw 1974-9-24 20031 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  HSC29468  Quercus sadleriana Frederick W. Oettinger 1968-9-7 761 Siskiyou Marble Mtn. Wilderness Area, N shore of Tobacco Lake 1890 Comment
  JEPS27149  Quercus sadleriana Lauramay T. Dempster 1961-7-1 1831 Siskiyou s slope White Mountain Comment
  LA205354  Quercus sadleriana Elizabeth Epling; 1939-7-6 5221 Siskiyou on Takilma-Happy Camp road 1676 Comment
  UC1409454  Quercus sadleriana Frederick W. Oettinger 1968-9-7 761 Siskiyou n shore Tobacco Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Engliah P 1889 Comment
  UCD47229  Quercus sadleriana Frederick W. Oettinger 1968-9-7 761 Siskiyou Local and uncommon: growing in one clump along the N shore of Tobacco Lake in shade of lake shore open woods. 1889 Comment
  UCD47230  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 C Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte-Siskiyou County line, California. 1554 Comment
  UCD47248  Quercus sadleriana R. G. Schultz 1965-10-1 4 Siskiyou Red Rock Valley, Siskiyou County, California. 1584 Comment
  UCSB1236  Quercus sadleriana Bacigalupi, Rimo; Constance, Lincoln; Tracy, J. 1951-6-16 Siskiyou About 1.5 miles below and southeast of saddle at summit of Takilma-Happy Camp Road Comment
  CAS-BOT-BC104619  Quercus vacciniifolia Doris K. Kildale 1928-8-19 6564 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  HSC69277  Quercus vacciniifolia Maralyn A. Renner 1980-9-1 2678 Siskiyou Bear Mtn. 1936 Comment
  POM106390  Quercus vacciniifolia Geo. D. Butler 1910-6-7 1530 Siskiyou Greenhorn Mountain. Comment
  JEPS87838  Raillardella pringlei Lowell Ahart 1994-7-11 7546 Siskiyou on upstream side of Forest Road 26 (to Mt. Shasta) ca. 0.5 mi ne Gumboot Lake (w of Dunsmuir); Gumboot Creek 1783 Comment
  UC1584286  Ranunculus alismifolius Julie Kierstead 1990-4-18 90 -16 Siskiyou 0.2 mi from Jct. of FS Rds. 3N55 and 40N09.4; Shata-Trinity N.R., McCloud R.D. 1341 Comment
  UC165299  Ranunculus alismifolius var. alismifolius Geo. D. Butler 1910-5-10 1322 Siskiyou Bulls Meadow Goosenest Mtn. 1676 Comment
  SEINET5338464  Ranunculus canus G. Butler 1910-4-19 1199 Siskiyou Damp gully near Yreka. Comment
  UC165946  Ranunculus eschscholtzii Geo. D. Butler 1908-8-8 355 Siskiyou Marble Valley Comment
  JEPS60681  Ranunculus glaberrimus Milo S. Baker 1933-4-10 7350 Siskiyou Pacific Hwy 2 mi s Yreka; Pine Grove Auto Camp Comment
  NY214641  Ranunculus marmorarius H. P. Chandler 06 1901 1691 Siskiyou Ridges and meadows near Marble Mountain 2286.0 Comment
  HSC598  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1966-6-23 145 Siskiyou Big Flat, near public camp 1524 Comment
  JEPS74464  Ranunculus orthorhynchus var. orthorhynchus W. J. Ferlatte 1966-6-23 145 Siskiyou near public camp; Trinity Alps, Big Flat 1524 Comment
  POM100137  Ranunculus suksdorfii Geo. D. Butler 1910-7-9 1714 Siskiyou Marble Mountain. 1829 Comment
  UC870845  Rhamnus californica A. A. Heller 1916-7-22 12490 Siskiyou e side Mt. Eddy Comment
  RSA12078  Rhamnus ilicifolia Louis C. Wheeler 1934-7-17 2915 Siskiyou Siskiyou Mts, Cottonwood Creek 945 Comment
  RSA7704  Rhamnus ilicifolia Doris K. Kildale 1927-11-20 4161 Siskiyou Hornbrook. Comment
  SEINET4855298  Rhamnus obtusissima E. B. Copeland 1903-8-15 3833 Siskiyou Sisson. 1098 Comment
  RSA390633  Rhamnus purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Siskiyou Mts, Cottonwood Creek 945 Comment
  UC54499  Rhamnus purshiana H. M. Hall and E. B. Babcock Jun 1903 4130 Siskiyou Head of McCloud River Sierra Nevada Mountains, Mount Shasta 1524 Comment
  HSC36760  Rhododendron macrophyllum Brent Whiteley 1975-6-28 77 Siskiyou 915 Comment
  HSC26749  Rhus aromatica J. P. Smith, J. O. Sawyer 1971-9-18 4824 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC165746  Ribes binominatum Geo. D. Butler 1908-8-4 259 Siskiyou head Shackleford Creek Comment
  CAS-BOT-BC108782  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou Eight miles north of Weed along U.S. Highway #97. Comment
  UC618608  Ribes cereum W. Bridge Cooke 1938-6-17 11032 Siskiyou Sisson Southern Trail Mount Shasta Comment
  CAS-BOT-BC168867  Ribes inerme var. klamathense John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53408 Siskiyou Fort Jones 853 Comment
  HSC19429  Ribes lacustre J. O. Sawyer 1968-7-23 577 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC19430  Ribes lacustre J. O. Sawyer 1968-7-9 451 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC61939  Ribes lacustre Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  UCD78097  Ribes lacustre Robert E. Preston 2001-6-23 1628 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 of ne 1/4 Section 15 1676 Comment
  HSC19377  Ribes lobbii J. O. Sawyer 1968-9-11 694 Siskiyou E of Mud Lake 1494 Comment
  HSC68334  Ribes lobbii Maralyn A. Renner 1980-6-26 1236 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA47619  Ribes lobbii Roxana S. Ferris, Laura Lorraine 1948-6-12 11768 Siskiyou 6 miles from Etna on forks of Salmon Road 1677 Comment
  SBBG2762  Ribes lobbii H. and M. Dearing 1939-7-2 3799 Siskiyou Salmon Mtn summit 1981 Comment
  RSA0021144  Ribes lobbii Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1250 Siskiyou Outlet of Pine Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA0021624  Ribes lobbii Roxana S. Ferris, Laura Lorraine 1948-6-12 11773 Siskiyou About 7 miles from Etna on forks of Salmon Road. 1819 Comment
  UC1167540  Ribes marshallii C. R. Quick 1936-8-18 Siskiyou n Happy Camp (margins of Poker Flat near summit of mountains); Siskiyou Mountains, Klamath National Forest Comment
  UCD102272  Ribes marshallii Roman Gankin; Brewer, Hildreth, and Milam 1965-8-10 605 Siskiyou Summit of Indian Creek Road, 3.5 miles south of California-Oregon state line. Comment
  CAS-BOT-BC212481  Ribes marshallii Lillian Henningsen 1972-6-8 s.n. Siskiyou Happy Camp Road to Takilma Comment
  CAS-BOT-BC219273  Ribes nevadense Alice Eastwood 1917-9-2 6701 Siskiyou Shasta Springs Comment
  HSC32249  Ribes nevadense J. O. Sawyer 1970-6-17 2208 Siskiyou On trail to South Sugar Lake 1829 Comment
  JEPS24795  Ribes nevadense Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6804 Siskiyou headwaters Sacramento River (Shore of Castle Lake); Castle Lake, Sacramento River 1661 Comment
  UC195251  Ribes nevadense Annie M. Alexander and Louise Kellogg 1911-6-23 164 Siskiyou Jackson Lake 1798 Comment
  UC478902  Ribes nevadense Marcus E. Jones, A. M. 1931-7-17 29003 Siskiyou Shasta City (Session's) Comment
  HSC46734  Ribes roezlii William J. Ferlatte 1976-9-22 1862 Siskiyou W side of Grouse Ridge along Yellow Rose Mine Trail 1829 Comment
  CAS-BOT-BC199989  Ribes roezlii var. cruentum Geo. D. Butler 1910-4-21 1211 Siskiyou Oro Fino Comment
  CAS-BOT-BC200004  Ribes roezlii var. cruentum Louis C. Wheeler 1934-6-28 2815 Siskiyou Klamath National Forest. Little Soda Creek 1066 Comment
  HSC31133  Ribes sanguineum J. O. Sawyer 1970-7-15 2353 Siskiyou Above Bear Lake 1585 Comment
  UC375359  Ribes sanguineum Geo. D. Butler 1908-8-10 262 Siskiyou Shackleford Creek Comment
  UC165920  Ribes velutinum Geo. D. Butler 1910-3-13 1128 Siskiyou Klamath hills Comment
  RSA0020883  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou Near Yreka. Comment
  CHSC96027  Ribes viscosissimum var. viscosissimum L. P. Janeway 2006-7-3 8753 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead near upper Music Creek. 1893 Comment
  JEPS84029  Romanzoffia sitchensis L. R. Heckard with J. Hickman et al. 1986-7-17 6519 Siskiyou e. Condrey Mt. (Alex Hole); Alex Hole 1960 Comment
  UCD77975  Rorippa columbiae Robert E. Preston 2000-8-16 1434 Siskiyou Dry Lake, ca. 2.15 mi sw of Toad Mountain, T41N R2E sw 1/4 Section 18 1423 Comment
  JEPS84104  Rorippa curvisiliqua L. R. Heckard with J. Hickman et al. 1986-7-17 6513 Siskiyou n slope Condrey Mt.; n slope Condrey Mt. 1960 Comment
  CHSC105278  Rorippa nasturtium-aquaticum Lowell Ahart; John Dittes 2010-7-30 16960 Siskiyou 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
  UC1023841  Rorippa nasturtium-aquaticum Douglas Barbe 1955-6-29 30 Siskiyou 1 mi e Callahan (Klamath Mountains); , e of Callahan 975 Comment
  POM277828  Rosa brownii H. E. Brown 1897-6-11 349 Siskiyou North side, Mt. Shasta. 1524 Comment
  UC164065  Rosa californica Geo. D. Butler 1910-5-16 1352 Siskiyou Yreka Comment
  JEPS95670  Rosa canina Vernon H. Oswald and Lowell Ahart 1999-7-5 9810 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi SE of Gazelle-Callahan Hwy. 1508 Comment
  UC163802  Rosa eglanteria Geo. D. Butler 1910-5-29 1427 Siskiyou dry land near Yreka Comment
  CAS-BOT-BC146743  Rosa gymnocarpa Alice Eastwood 1912-7-23 1321 Siskiyou Dunsmuir Comment
  HSC19385  Rosa gymnocarpa J. O. Sawyer 1968-7-9 400 Siskiyou Ridge between Sugar Creek and Duck Lake drainages, Sugar Creek near Sugar Lake 2195 Comment
  CAS-BOT-BC146798  Rosa gymnocarpa var. serpentina Doris K. Kildale 1929-8-24 8844 Siskiyou Preston Peak 2228 Comment
  CAS-BOT-BC147055  Rosa pisocarpa Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC147057  Rosa pisocarpa Alice Eastwood 1917-9-2 6686 Siskiyou Shasta Springs Comment
  HSC58953  Rosa pisocarpa Marvin Butler 1971-7-21 198 Siskiyou Near Copper Mtn., close to the town of Cave Junction 1616 Comment
  RSA78995  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  CAS-BOT-BC147141  Rubus glaucifolius D. K. Noyes 1911-9-29 22 Siskiyou Klamath National Forest Comment
  HSC19649  Rubus leucodermis R. C. Wunner 1965-6-29 289 Siskiyou California Lava Beds National Monument; 50 yds off Tichner Rd. near lava chimney, 1 1/2 mi. from Mammoth Crater Comment
  UC329936  Rubus leucodermis J. G. Lemmon 1888-9-7 Siskiyou near Mt. Eddy; near Mt. Eddy Comment
  POM91435  Rubus parviflorus var. hypomalacus Geo. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1220 Comment
  HSC92181  Rudbeckia klamathensis Jennifer Whipple 1977-8-6 2208 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  UC1483467  Rumex acetosella Maralyn A. Renner 1980-7-24 2040 Siskiyou Lily Pad Lake Klamath National Forest, Seiad Valley Quad. 1767 Comment
  RSA237323  Rumex acetosella Frederick W. Oettinger 1967-6-29 119 Siskiyou Ride near Etna Summit on road from Etna to Sawyer Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1820 Comment
  RSA237968  Rumex acetosella Frederick W. Oettinger 1968-8-10 466 Siskiyou Trail side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS93961  Rumex stenophyllus Vernon H. Oswald and Lowell Ahart 1998-9-16 9647 Siskiyou 8.7 mi e of Highway 97 (Vista Point on Highway 161 adjacent to a marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge, Vista Point 1243 Comment
  SEINET10612171  Sabina occidentalis A. Arthur Heller 1938-7-12 Heller 15262 Siskiyou About 2 miles north of Bray, scattered among the sagebrush, in the Upper Sonoran Life Zone. It is one of the index plants for this zone here. Comment
  RSA611388  Sagina apetala L. C. Wheeler 1934-6-2 2606 Siskiyou Klamath River at Cherry Flat; Siskiyou Mts. 518 Comment
  UCD98470  Sagina saginoides var. hesperia Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1792 Comment
  CAS-BOT-BC103369  Salix bonplandiana W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC103536  Salix commutata John Thomas Howell 1939-8-7 15132 Siskiyou Sky High Valley, Marble Mts. Comment
  RSA238022  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 689 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
  RSA0038339  Salix hindsiana H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flag station, 125 km. north of Red Bluff. 450 Comment
  UC1190186  Salix jepsonii Ira L. Wiggins 1955-7-27 13565 Siskiyou margin of Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA610755  Salix laevigata Louis C. Wheeler 1935-5-11 3472 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  SEINET12613271 Image available Salix lasiandra L. E. Smith 1914-1 720 /1253 Siskiyou Sisson Comment
  POM107145  Salix lasiolepis Geo. D. Butler 1910-3-21 1135 Siskiyou Yreka Creek. Comment
  UC375223  Salix lasiolepis Geo. D. Butler 1909-4-11 1078 Siskiyou Shasta Springs Comment
  UC576380  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 853 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC128348  Salix lasiolepis var. lasiolepis L. E. Smith 1913-3-28 613 Siskiyou Weed Comment
  CAS-BOT-BC125690  Salix melanopsis W. R. Dudley 1899-8-15 s.n. Siskiyou Near [Glazier?] Glaser/Glacierview, McCloud Comment
  CAS-BOT-BC125931  Salix prolixa W. R. Dudley 1899-8-15 s.n. Siskiyou McCloud River at [Glazier] Glaser/Glacierview Comment
  CAS-BOT-BC126165  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC126167  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  HSC19448  Salix scouleriana J. O. Sawyer 1969-6-10 796 Siskiyou S face near Sugar Lake 1829 Comment
  UC375224  Salix scouleriana Geo. D. Butler 1909-4-11 1079 Siskiyou Shasta Retreat Comment
  HSC27031  Salsola tragus J. P. Smith, J. O. Sawyer 1972-9-14 5800 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  HSC14352  Salvia dorrii var. incana R. C. Wunner 1965-7-9 357 Siskiyou Lava Beds National Monument, Black Crater Trail, 25 yds. from Hardin Butte trail jct. Comment
  SEINET8057832  Sambucus nigra G. D. Butler 1910-5-29 1425 Siskiyou Near Yreka. Comment
  HSC3957  Sambucus nigra subsp. caerulea R. C. Wunner 1965-6-22 245 Siskiyou Lava Beds National Monument, 0.25 mi. N of Canby Cross. 1220 Comment
  CAS-BOT-BC236481  Sambucus racemosa subsp. racemosa Doris K. Kildale 1928-8-19 6500 Siskiyou English Lake, head of north fork of Salmon River Comment
  UC735044  Sanicula bipinnatifida Lincoln Constance and R. H. Shan 1946-5-31 3060 Siskiyou Sacramento River at Dunsmuir Sacramento River; , Dunsmuir 701 Comment
  CAS-BOT-BC466231  Sarcodes sanguinea Doris K. Kildale 1929-7-20 8644 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  SD88171  Saussurea americana D. H. Shaw, T. C. Fuller 1974-9-24 20045 Siskiyou Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. Comment
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Dec 7 2013
  JEPS33850  Saxifraga cespitosa Gilbert Muth 1966-7-31 468 Siskiyou n side of Black Mountain (Marble Mountain Wilderness Area); , Marble Mountain Wilderness Area 1981 Comment
  RSA237683  Saxifraga mertensiana Frederick W. Oettinger 1969-7-16 1039 Siskiyou Base of cliffs S of Abbott s Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  RSA184816  Saxifraga nidifica var. claytoniifolia Gilbert Muth 1966-7-31 475 Siskiyou North side of Black Mountain, Marble Mountains 2058 Comment
  RSA238314  Saxifraga odontoloma Frederick W. Oettinger 1968-8-24 629 Siskiyou Bear Upper Meadow, Toms Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC1409257  Saxifraga odontoloma Frederick W. Oettinger 1968-8-24 629 Siskiyou High Lake Basins in vicinity of English Peak (Tom's Lake, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Tom's Lak 1950 Comment
  CDA25443  Saxifraga oregana T. C. Fuller 1966-5-26 14716 Siskiyou Between road and railroad tracks, north end of Mt. Shasta City. 0 Comment
  UC375361  Saxifraga oregana Geo. D. Butler 1909-6-22 898 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC35599  Scirpus congdonii Louis C. Wheeler 1934-8-14 3126 Siskiyou North side of White Mtn. 1767 Comment
  HSC63479  Scirpus congdonii M. A. Baker 1979-7-31 1091 Siskiyou Marble Mtn. Wilderness Area, head of Tickner Hole 1750 Comment
  HSC71109  Scirpus microcarpus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4501 Siskiyou Along W side of Hwy. 3, just N of Scott Mtn. Summit 1616 Comment
  RSA138223  Scrophularia californica Percy C. Everett, E. K. Balls 1959-10-23 23939 Siskiyou 4 mi SW from Etna, on rd from Callaban to Somesbar, Salmon Mtns. 1677 Comment
  UC1174939  Scrophularia californica P. C. Everett and E. K. Balls 1959-10-23 23939 Siskiyou 4 mi sw Etna (on rd from Callaban to Somesbar); Salmon Mts 1676 Comment
  HSC334  Scutellaria angustifolia C. B. Wolf 1927-8-26 996 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC74822  Scutellaria antirrhinoides J. P. Smith, Jennifer Whipple 1978-7-2 9982 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  JEPS81648  Scutellaria antirrhinoides L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2314 Siskiyou between the Sacramento and McCloud arms of Shasta Lake (near Fall Creek Inn along Gilman Road) 396 Comment
  CAS-BOT-BC214259  Scutellaria nana L. E. Smith 1913-6-25 390 Siskiyou Weed Comment
  POM20571  Scutellaria nana F. W. Peirson 1923-7-19 3826 Siskiyou Bray Comment
  UC1713628  Scutellaria nana W. Bridge Cooke 1940-7-26 15370 Siskiyou near the south bank of Diller Canyon (on the w side of Shastina); Mount Shasta, Shastina 2743 Comment
  RSA445344  Scutellaria siphocampyloides Bonnie C. Templeton 1960-6-21 8539 Siskiyou Between Callahan and the summit of Scott mts. Comment
  RSA233710  Sedum lanceolatum 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
  CHSC118095  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25640 Siskiyou West side of FS Road 1040, 2.9 road miles above ju ... Field redacted by CHSC, contact the data manager for more information 675 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
  RSA238009  Sedum laxum subsp. heckneri Frederick W. Oettinger 1969-7-11 988 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  HSC77061  Sedum obtusatum subsp. retusum K. T. Stillman 1976-8-7 192 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC90580  Sedum obtusatum subsp. retusum Jennifer Whipple 1977-7-20 2010 Siskiyou Mt. Eddy: Near Durney Lake 2073 Comment
  JEPS77507  Sedum stenopetalum L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-18 4875 Siskiyou 7 air mi wsw of town Mt. Hebron (meadow 2 mi e of Bull Meadow); e of Bull Meadow, wsw of town of Mt. Hebron 1645 Comment
  HSC99740  Selaginella scopulorum J. O. Sawyer 1969-6-12 882 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  RSA576449  Selaginella wallacei Louis Cutter Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns. (Mt Diablo Mer) 1524 Comment
  RSA629724  Selaginella wallacei Louis Cutter Wheeler 1958-8-19 7400 Siskiyou Seiad Creek Mine. Comment
  JEPS30370  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou 12.3 mi s Macdoel (U.S. Highway 97) Comment
  CAS-BOT-BC363939  Senecio integerrimus var. exaltatus Geo. D. Butler 1909-4-9 629 Siskiyou Humbug road Comment
  CAS-BOT-BC364044  Senecio integerrimus var. major Harley P. Chandler 1901-6-1 1606 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain 1981 Comment
  HSC77018  Senecio integerrimus var. major K. T. Stillman 1976-6-25 39 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  CAS-BOT-BC364428  Senecio triangularis John Thomas Howell 1939-8-7 15135 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC76691  Senecio triangularis K. T. Stillman 1976-7-30 311 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 Comment
  HSC78188  Senecio triangularis L. P. Janeway 1983-7-10 399 Siskiyou Poker Flat 1524 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
  HSC4762  Senecio triangularis William J. Ferlatte 1966-8-4 323 Siskiyou N side of Caribou Mtns. 1982 Comment
  HSC61998  Senecio triangularis Ruby Van Deventer 1939-7-19 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC364787  Sericocarpus oregonensis subsp. oregonensis A. A. Heller 1914-8-25 11700 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  HSC29396  Sibbaldia procumbens Frederick W. Oettinger 1968-8-23 607 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; near Diamond Lake 2073 Comment
  CHSC99989  Sidalcea asprella L. P. Janeway 2008-7-25 9500 Siskiyou Klamath Ranges. Siskiyou Mountains; 3/2 air km souothwest of Cook and Green Pass; 0.4 km southeast of Red butte. 1736 Comment
  RSA87483  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19641 Siskiyou 4 miles north of Happy Camp on road to Waldo. Comment
  HSC34305  Sidalcea oregana J. P. Smith, J. O. Sawyer 1973-8-14 7301 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  UC922291  Sidalcea oregana subsp. oregana Annie M. Alexander and Louise Kellogg 1949-7-23 5852 Siskiyou Sky High Valley , Paradise Lake, Sky High Valley (Marble Mountains) 1920 Comment
  UC166193  Sidalcea oregana subsp. spicata Geo. D. Butler 1910-7-17 1728 Siskiyou Oro Fino Comment
  RSA448234  Sidalcea oregana subsp. spicata L. S. Rose 1937-7-26 37608 Siskiyou McCloud 1006 Comment
  CAS-BOT-BC178693  Silene Volney Rattan 1903-6-13 s.n. Siskiyou Klamath Comment
  SEINET185087  Silene C. L. Hitchcock, J. S. Martin 1939-7-6 5227 Siskiyou Peak above and north of Divide of Siskiyou Mountains on Takilma-Happy Camp road. 1829 Comment
  UC922617  Silene douglasii Annie M. Alexander and Louise Kellogg 1948-9-8 5596 Siskiyou on e side at top grade between Sawyers Bar and Etna (Siskiyou Mountains); , btw Sawyers Bar and Etna 1737 Comment
  CAS-BOT-BC388953  Silene grayi Alice Eastwood 1912-9-1 2066 Siskiyou Mount Shasta Comment
  CAS-BOT-BC388956  Silene grayi John Thomas Howell 1937-7-26 13535 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CHSC221  Silene grayi K. Jaekel; N. Jaekel 1939-7-8 Siskiyou Panther Meadows on Mt. Shasta. 2133 Comment
  HSC23547  Silene grayi J. O. Sawyer 1969-8-4 1861 Siskiyou Slope SW of Sugar Lake 2195 Comment
  JEPS84223  Silene grayi L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6338 Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass 1730 Comment
  HSC103775  Silene hookeri subsp. hookeri M. R. Mesler 2014-6-6 1637 Siskiyou Elk Creek Rd (16N05) near Happy Camp 500 Comment
  CAS-BOT-BC389421  Silene lemmonii Peter H. Raven 1956-9-5 10447 Siskiyou North Fork of Sacramento River 2194 Comment
  UC585108  Silene lemmonii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1999 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); , above Sulloway Creek 1188 Comment
  CAS-BOT-BC389529  Silene menziesii Geo. D. Butler 1910-6-4 1493 Siskiyou Shackleford Creek Comment
  POM100955  Silene menziesii subsp. dorrii Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek, in shade Comment
  HSC64807  Sisymbrium altissimum J. P. Smith 1976-5-21 8776 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  RSA298160  Sisymbrium altissimum J. P. Smith 1974-5-26 7388 Siskiyou Along Forest Service Road 47N03 1524 Comment
  UC429235  Sisyrinchium bellum unknown April 1903 Siskiyou Yreka; Mount Mooney Comment
  JEPS25624  Smilacina racemosa Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7258 Siskiyou Poker Flat 1536 Comment
  UC1222556  Smilacina racemosa Joseph P. Tracy 1951-6-16 19487 Siskiyou near State Line (at crossing of Takilma-Happy Camp Rd); Summit of Siskiyous 1463 Comment
  JEPS93958  Solanum dulcamara Vernon H. Oswald and Lowell Ahart 1998-9-16 9637 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  HSC42902  Solanum parishii J. O. Sawyer, Ken Stillman 1976-5-29 2730 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  CAS-BOT-BC157048  Solanum umbelliferum J. T. Howell 1939-8-9 15234 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC157012  Solanum umbelliferum E. I. Applegate 1898-5-15 2137 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  CAS-BOT-BC365564  Solidago elongata Louis C. Wheeler 1934-9-2 3240 Siskiyou Miller Glade, Siskiyou Mts. 1828 Comment
  HSC76957  Solidago multiradiata K. T. Stillman 1976-7-21 273 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CAS-BOT-BC365250  Solidago velutina subsp. californica Carl B. Wolf 1927-8-26 1015 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  JEPS32369  Solidago velutina subsp. californica Geo. D. Butler 1908-8-27 309 Siskiyou Quigley's Ranch , Quigley's Ranch (Oro Fino) Comment
  UC1282003  Solidago velutina subsp. californica Louise Kellogg 1953-8-4 97 Siskiyou n of Callahan near Scott River (edge of Scott Valley); Scott Mountains, edge of Scott Valley Comment
  RSA237824  Sorbus californica Frederick W. Oettinger 1967-7-20 180 Siskiyou Outlet stream from Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 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
  CAS-BOT-BC158924  Sorbus scopulina D. M. Traugh 1933-8-6 5 Siskiyou Klamath National Forest 1783 Comment
  HSC76  Sorbus scopulina William J. Ferlatte 1967-6-30 595 Siskiyou Josephine Lake basin 1677 Comment
  HSC29329  Sparganium angustifolium Frederick W. Oettinger 1968-8-13 500 Siskiyou Marble Mtn. Wilderness Area, S inlet to Hancock Lake 1936 Comment
  SEINET3837389  Sparganium angustifolium Unknown 1939-8-20 1464 Siskiyou Northwest end of Talor Lake, 12 miles southwest of Etna, Salmon Mountains, 2027 Comment
  CHSC1987  Sphenosciadium capitellatum V. Holt 1943-8-14 Siskiyou Marble Mountains 1828 Comment
  UC164074  Spiraea densiflora Geo. D. Butler 1910-7-9 1710 Siskiyou Wooley Creek 1676 Comment
  SCFS182  Spiraea douglasii P. Billings 1965-7-13 124 Siskiyou Death Horse Creek Canyon Rd, at intersection of Hwy 89 1494 Comment
  UC212917  Spiraea douglasii Geo. L. Fisher 1920-6-29 56 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC152549  Spiraea splendens C. L. Hitchcock; J. S. Martin 1939-7-7 5272 a Siskiyou Sanger Peak Trail 1 mi. south of Camp Chicago, Siskiyou Mts. ca. 12 miles south of Takilma, Oregon 1432 Comment
  CAS-BOT-BC152558  Spiraea splendens John Thomas Howell 1937-7-25 13441 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC455174  Spiranthes porrifolia I. J. Condit 1911-7-17 Siskiyou Shasta Retreat Comment
  JEPS63046  Stachys ajugoides var. rigida W. L. Jepson 1894-8-9 14958 Siskiyou Shasta Springs Comment
  UC164136  Stachys ajugoides var. rigida Geo. D. Butler 1909-6-24 1792 Siskiyou Yreka Creek Comment
  JEPS83876  Stachys palustris subsp. pilosa Wayne Roderick July 1976 Siskiyou along trail to Lily Pad Lake (vicinity Cook and Green Pass); Siskiyou Mts. 1706 Comment
  RSA183648  Stachys rigida subsp. quercetorum Gilbert Muth 1965-8-16 221 Siskiyou On trail behind Blk. Mt., Marble Mts. Comment
  RSA211085  Stachys rigida subsp. rigida W. J. Ferlatte 1966-8-3 288 Siskiyou Trinity Alps. Josephine Lake basin. 1677 Comment
  RSA298323  Stachys rigida subsp. rigida J. P. Smith, Steve Selva 1970-7-16 4405 Siskiyou Beaver Creek Campground 823 Comment
  POM101769  Stellaria media Geo. D. Butler 1909-3-19 559 Siskiyou Yreka Creek. Comment
  SEINET3155908  Stellaria nitens G. D. Butler 1909-3-16 581 Siskiyou Butlers Ranch Comment
  CAS-BOT-BC516472  Stenanthium occidentale J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness ARea 1920 Comment
  CAS-BOT-BC375641  Stephanomeria lactucina Alice Eastwood 1917-9-2 6644 Siskiyou Shasta Springs Comment
  SBBG21770  Stephanomeria lactucina D. Myrick 1964-7-25 945 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  POM315997  Stephanomeria paniculata Patricia Wilder 1965-9-29 4198 Siskiyou Lava Beds National Monument on path up to top of Schonchin Butte. Tule Lake drainage area. 1524 Comment
  HSC26544  Stipa occidentalis var. occidentalis J. P. Smith, Steve Selva 1970-8-8 4562 Siskiyou Comment
  CHSC67485  Streptanthus barbatus James D. Jokerst 1992-7-30 3426 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [No additional location data; W of Interstate 5? V. Oswald]. Comment
  CAS-BOT-BC87842  Streptanthus tortuosus Alice Eastwood; John Thomas Howell 1934-4-20 1773 Siskiyou Junction of Klamath and Shasta Rivers. Comment
  CAS-BOT-BC87847  Streptanthus tortuosus John Thomas Howell 1939-8-2 14891 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC87859  Streptanthus tortuosus Marion Ownbey; Fred G. Meyer 1940-7-4 2194 Siskiyou Along Brewer Creek, 1 mile below timber line, east side of Mount Shasta. Comment
  HSC60660  Streptanthus tortuosus var. tortuosus J. P. Smith, Steve Selva 1970-6-15 3928 Siskiyou 5 mi. NW of Forks of Salmon 335 Comment
  HSC61981  Streptanthus tortuosus var. tortuosus Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  SD61056  Suaeda calceoliformis Darley F. Howe 1964-8-5 3939 Siskiyou 13.4 miles east of junction with Highway 97 on state line road. 1220 Comment
  HSC45155  Swertia albicaulis var. nitida J. O. Sawyer, E. Cope 1977-6-19 2951 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  HSC62304  Swertia albicaulis var. nitida Ruby Van Deventer 1955-8-5 Siskiyou Trout Camp Comment
  JEPS87630  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-BC234785  Symphoricarpos mollis Wm. Bridge Cooke 1938-7-22 11347 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CAS-BOT-BC234787  Symphoricarpos mollis John Thomas Howell 1939-8-2 14947 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC234791  Symphoricarpos mollis Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  HSC18890  Symphoricarpos mollis J. O. Sawyer 1968-6-25 334 Siskiyou 1646 Comment
  HSC67781  Symphoricarpos mollis J. O. Sawyer, J. Cole 1980-7-21 3852 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  JEPS26668  Symphoricarpos mollis Lauramay T. Dempster 1961-7-2 1849 Siskiyou at road crossing sw Etna (Mill Creek); Mill Creek Comment
  UC1538954  Symphyotrichum bracteolatum W. J. Ferlatte 1987-9-2 2111 Siskiyou 0.8 mi e of, n side of Hwy A-12 Grenada 768 Comment
  UC893306  Symphyotrichum bracteolatum Alice Eastwood 1917-9-2 6696 Siskiyou Shasta Springs Comment
  CAS-BOT-BC97871  Symphyotrichum eatonii Geo. D. Butler 1908-8-11 292 Siskiyou near Oro Fino Comment
  UC60977  Symphyotrichum frondosum Geo. B. Grant Sep 1902 5235 Siskiyou Shasta Springs Comment
  HSC26764  Symphyotrichum spathulatum var. spathulatum J. P. Smith, J. O. Sawyer 1971-9-18 4842 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UCD86126  Taeniatherum caput-medusae Beecher Crampton 1969-6-19 8472 Siskiyou 1 mile north of Edgewood. Comment
  CAS-BOT-BC81346  Taxus brevifolia Nora Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs Comment
  HSC68415  Taxus brevifolia Maralyn A. Renner 1980-7-4 1404 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  SBBG25354  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou lower Blake's Fork of S Russian Crk (a tributary of Salmon River), ca. 7 mi (airline) E of Sawyer's Bar, Salmon Mtns 1524 Comment
  SEINET3876109 Image available Taxus brevifolia J. P. Smith, Steve Selva 1970-7-15 4355 Siskiyou Klamath National Forest; road to Happy Camp.; 0 732 Comment
  UC1313006  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou ca 7 mi (airline) e Sawyer's Bar (lower Blake's Fork of South Russian Creek (a tributary of Salmon River)); Salmon Mountains, Salmon River, Blake's Fork of South Russia 1524 Comment
  RSA94943  Tetradymia canescens F. W. Peirson 1923-7-19 3928 Siskiyou Whitney Creek, Mt. Shasta. Comment
  UC375277  Thalictrum fendleri Geo. D. Butler 1910-7-8 1672 Siskiyou Shackelford Creek Comment
  POM100448  Thalictrum fendleri Geo. D. Butler 1910-7-8 1672 Siskiyou Shackleford Creek. 1220 Comment
  JEPS80528  Thalictrum fendleri var. polycarpum Gilbert Muth 1966-7-17 408 F Siskiyou trail to Lookout Marble Mt. Wilderness Area 1889 Comment
  CAS-BOT-BC88067  Thelypodium brachycarpum L. E. Smith 1914-5-21 706 Siskiyou Montague. Comment
  CAS-BOT-BC77711  Thelypteris nevadensis Doris K. Kildale 1928-7-3 5438 Siskiyou Little North Fork of Salmon River Comment
  CAS-BOT-BC77737  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou East Fork Horse Creek, Klamath National Forest 1219 Comment
  UC1483508  Thlaspi montanum var. montanum Maralyn A. Renner 1980-8-8 2455 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad., Rattlesnake Mea 1645 Comment
  CAS-BOT-BC66795  Thysanocarpus curvipes J. H. Thomas 1954-5-13 4153 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southesat of Cecilville. 1127 Comment
  HSC69131  Tiarella unifoliata Maralyn A. Renner 1980-8-6 2236 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  SEINET12044516  Tofieldia glutinosa J. T. Howell 1937-1 13371 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC1001156  Tofieldia occidentalis subsp. occidentalis Dorothy Parker 1953-7-29 Siskiyou summit of Scott Mountain Siskiyou Mountains 1630 Comment
  UC844400  Tofieldia occidentalis subsp. occidentalis Alice Eastwood 1912-9-1 551 Siskiyou Mount Eddy Comment
  UC160925  Trautvetteria caroliniensis var. occidentalis Harley P. Chandler June, 1901 1601 Siskiyou near Marble Mountain (North Coast Ranges); North Coast Ranges 1828 Comment
  CAS-BOT-BC519558  Triantha occidentalis subsp. occidentalis Barbe 1957-7-13 375 Siskiyou Big Flat Public Camp, Klamath National Forest. Below Camp's water spring in marshy hillside. Western exposure. 1524 Comment
  CAS-BOT-BC519570  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1929-8-24 9036 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  SEINET4856146  Trichostema lanatum E. B. Copeland 1903-7-2 3534 Siskiyou Klamathon. Comment
  SEINET10700113 Image available Trichostema simulatum Edwin B. Copel 1903-7-2 Copeland 3534 Siskiyou Klamathon. In bed of a dry run. Comment
  JEPS101834  Trifolium cyathiferum Dean W. Taylor 1999-7-18 17277 Siskiyou headwaters of South Fork Hungry Creek (ca. 6 air miles southwest from Hilt) 1432 Comment
  HSC71477  Trifolium dubium J. P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River Comment
  UCD111253  Trifolium longipes A. C. Hoofer 1926-8-27 s.n. Siskiyou Siskiyou Mtn., Preston Peak Dist. Comment
  UC149765  Trifolium longipes var. elmeri Milo S. Baker 1899-7-1 Siskiyou Ash Creek, e slope Mt. Shasta Comment
  UC338054  Trifolium longipes var. elmeri Lemmon 1889-6-28 Siskiyou near Mt. Eddy Comment
  UC163875  Trifolium obtusiflorum Geo. D. Butler 1909-6-20 914 Siskiyou near Yreka Comment
  HSC18993  Trifolium productum J. O. Sawyer 1969-7-7 1086 Siskiyou Little Duck Lake 1966 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
  JEPS107918  Triglochin concinna Lowell Ahart, John Dittes 2005-6-9 11999 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-BC520839  Trillium albidum Geo. D. Butler 1909-4-14 669 Siskiyou Humbug Creek Comment
  CAS-BOT-BC133468  Trillium ovatum John Thomas Howell 1939-8-3 15020 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC37443  Trillium ovatum Maralyn O'Meara 1973-6-25 246 Siskiyou Creek crossing rd. 4.5 mi. up USFS Rd. 46N64 1366 Comment
  HSC36427  Trillium ovatum subsp. oettingeri J. O. Sawyer 1969-6-12 937 Siskiyou Along Duck Lake Creek 1921 Comment
  UC1409309  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 953 Siskiyou along inlet brook to Upper English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1767 Comment
  HSC26619  Trisetum canescens J. P. Smith, Steve Selva 1970-6-16 4054 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  UCD39960  Trisetum canescens R. Tofsrud 1948-8-3 s.n. Siskiyou Del Norte Line. Comment
  HSC73336  Trisetum spicatum Gail Newton 1980-6-20 464 Siskiyou Near Bald Mtn. 1097 Comment
  RSA233684  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38958 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  CAS-BOT-BC133488  Triteleia crocea L. E. Smith 1914-5-21 702 Siskiyou Yreka Comment
  HSC34006  Triteleia crocea J. P. Smith 1974-5-25 7508 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  UC164091  Triteleia crocea Geo. D. Butler 1909-5-30 786 Siskiyou Humbug Mountain Comment
  UCSB23731  Triteleia crocea Keefe, Joseph 1967-7-11 Siskiyou Brushy flats along road cuts, 0.3 mile north of Castle Lake, 10 miles southwest of town of Mt. Shasta 1706 Comment
  SBBG122858  Triteleia hyacinthina B. Ertter, J. Kierstead, J. Nelson 1990-7-15 9369 Siskiyou ca. 1 mi E of Toad Lake, head of Middle Fk Sacramento River 1981 Comment
  CAS-BOT-BC524313  Triteleia ixioides subsp. anilina Francia Chisaki; Gene B. Newcomb 1958-6-21 1151 Siskiyou Squaw Valley Creek, on road to ice caves north of McCloud 1158 Comment
  CAS-BOT-BC524316  Triteleia ixioides subsp. anilina W. B. C. 1938-7-15 11238 Siskiyou Wagon Camp Comment
  LA21975  Triteleia ixioides subsp. anilina Mary V. Hood; 1940-6-6 15083 Siskiyou Klamath Mountains, Castle Lake Road Comment
  RSA237584  Tsuga mertensiana Frederick W. Oettinger 1968-9-2 669 Siskiyou To the east of the inlet brook to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC572793  Tsuga mertensiana W. Bridge Cooke 1937-8-17 9295 Siskiyou lava slopes Mt. Shasta 2590 Comment
  LA6319  Tsuga mertensiana W. B. C.; 1939-8-24 13895 Siskiyou Mount Shasta, around the middle Squaw Valley Creek meadows, between Panther Creek and Mud Creek Canyon 2377 Comment
  CAS-BOT-BC80246  Tsuga mertensiana subsp. grandicona W. R. Dudley 1899-8-22 s.n. Siskiyou Top of Craggy Pk. Comment
  CAS-BOT-BC80248  Tsuga mertensiana subsp. grandicona Annetta Carter 1939-8-21 1465 Siskiyou above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2072 Comment
  CAS-BOT-BC80251  Tsuga mertensiana subsp. grandicona W. R. Dudley 1899-7-7 s.n. Siskiyou On Big M trail Comment
  HSC67616  Typha J. P. Smith, Steve Selva 1970-8-8 4557 Siskiyou Juanita Lake Comment
  CAS-BOT-BC91276  Umbellularia californica Carl B. Wolf 1927-8-27 1135 Siskiyou On the Klamath River at mouth of Crawford Creek. Comment
  RSA238872  Vaccinium Frederick W. Oettinger 1969-07 11 Siskiyou A short ways up the trail from Hancock Lake to Daimond Lake before Base Camp Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC228833  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1932 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1809 Comment
  CAS-BOT-BC228836  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-21 1937 Siskiyou S Slope of Mount Shasta, Panther Meadows, along County Highway A10, ca. 1.6 km by road from the upper parking lot 2276 Comment
  CHSC69749  Vaccinium cespitosum Loren Gehrung 1996-9-20 109 Siskiyou Jackson Lake. 1 airmile south of Russian Wilderness Area. 1901 Comment
  HSC18863  Vaccinium cespitosum J. O. Sawyer 1968-7-22 545 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC19103  Vaccinium cespitosum J. O. Sawyer 1969-7-9 1231 Siskiyou S of South Sugar Lake 1951 Comment
  HSC19104  Vaccinium cespitosum J. O. Sawyer 1969-8-4 1887 Siskiyou Above S Sugar Lake 2043 Comment
  HSC19514  Vaccinium cespitosum J. O. Sawyer 1969-8-2 1697 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  HSC91292  Vaccinium cespitosum Jennifer Whipple 1976-6-30 1213 Siskiyou Wagon Creek drainage near Wagon Creek 370 Comment
  CHSC89000  Vaccinium membranaceum Gail A. Newton 1981-7-29 2328 Siskiyou Klamath National Forest. Near Willis Hole. 1365 Comment
  RSA605354  Vaccinium parvifolium L. C. Wheeler 1959-7-25 7600 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UC2061649  Vaccinium scoparium R. F. Thorne, Frederick W. Oettinger 1969-8-4 63373 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  HSC30619  Vaccinium uliginosum Frederick W. Oettinger 1969-8-23 1512 Siskiyou Inlet to Smith Lake, Salmon Mountains 1418 Comment
  UC642554  Vaccinium uliginosum subsp. occidentale unknown 1939-7-7 13606 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  POM128296  Valeriana capitata subsp. californica M. S. Baker 1898-8-1 480 Siskiyou Medicine Lake. Comment
  POM59722  Valeriana capitata subsp. californica Copeland 1903-8-18 3841 Siskiyou Mt. Eddy. Comment
  HSC27716  Vancouveria planipetala Carl W. Mize 1972-6-8 18 Siskiyou Along main trail 305 Comment
  HSC36208  Veratrum californicum var. californicum John Rehling 1975-8-11 104 Siskiyou S end of Little Duck Lake Comment
  UC1409322  Veratrum californicum var. californicum Frederick W. Oettinger 1968-8-12 496 Siskiyou Tobacco Lake Salmon Mountains 1889 Comment
  JEPS88919  Veratrum insolitum W. Roderick 1965-6-8 Siskiyou 12.1 road mi ne Cecilville 1219 Comment
  UCSB14918  Verbascum blattaria Breedlove, Dennis 1962-6-11 Siskiyou Scott River, 3.5 miles south of Scott Bar 609 Comment
  SD51281  Verbascum blattaria Darley F. Howe 1961-8-3 3131 Siskiyou 4.1 miles east of Happy Camp on #96 Comment
  RSA256600  Veronica alpina var. alterniflora J. P. Smith 1974-5-25 7467 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  HSC86528  Veronica americana D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, near Jawbone Camp 1372 Comment
  RSA786486  Veronica americana Peter Rubtzoff 1955-7-10 1948 Siskiyou Duncans Mills Marsh Comment
  UCR104585  Veronica hederifolia J. A. Alexander 1996-4-1 476 Siskiyou Shasta Valley, yard at 581 Evergreen Street, Yreka 800 Comment
  UC444943  Veronica peregrina subsp. xalapensis W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  SBBG30562  Veronica persica D. Myrick 1968-6-24 2003 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1524 Comment
  JEPS16817  Veronica serpyllifolia subsp. humifusa Geo. D. Butler 1908-8-7 47 Siskiyou at head of Woolly Creek Woolly Creek 1676 Comment
  RSA426507  Veronica serpyllifolia var. humifusa M. B. Dunkle 1944-7-1 9062 Siskiyou Smoky Creek, Siskiyou Nat'l Forest. 1829 Comment
  CDA6413  Veronica triphyllos T. C. Fuller 1961-5-16 6947 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  UCD108680  Vicia americana var. americana Rimo Bacigalupi 1959-6-16 7154 Siskiyou West slope of Mt. Shasta; above and northeast of Mt. Shasta (town). 1414 Comment
  CAS-BOT-BC270230  Viola adunca L. E. Smith 1915-7-1 s.n. Siskiyou Castle Lake Comment
  RSA60656  Viola adunca I. L. Wiggins 1950-5-27 12352 B Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  UC1762402  Viola cuneata Hoffman 1950-7-11 3505 Siskiyou Chrome Camp 1127 Comment
  HSC18942  Viola glabella J. O. Sawyer 1968-6-25 322 Siskiyou Along Horse Range Creek 1829 Comment
  RSA120703  Viola glabella S. S. Tillett 1956-7-9 643 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  UC1258473  Viola glabella Maralyn A. Renner 1980-6-26 1186 Siskiyou forest at n edge of Flint Valley; Klamath National Forest, Flint Valley 1389 Comment
  HSC62078  Viola glabella Ruby Van Deventer 28 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  RSA402201  Viola glabella N. G. Sugihara 1977-5-28 72 Siskiyou 2.1 miles up road toward Sawyers Bar from Hwy 96 just south of Somes Bar. 1159 Comment
  RSA68863  Viola glabella A. E. Culbertson 1943-6-23 93 Siskiyou By the spring on E shore of Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles SW 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
  HSC82566  Viola hallii Thomas W. Nelson, Jane P. Nelson 1979-5-26 4726 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CAS-BOT-BC537176  Viola lobata Doris K. Kildale 1929-7-20 8623 Siskiyou South Fork Indian Creek to Ek Lick 1524 Comment
  CAS-BOT-BC537182  Viola lobata Wm. F. Herrin 1922-5-1 s.n. Siskiyou Shasta Springs Comment
  UC54333  Viola lobata subsp. integrifolia H. M. Hall and E. B. Babcock June, 1903 4128 Siskiyou divide between McCloud River and Dead Horse Canyon; Sierra Nevada Mountains, Mount Shasta 1524 Comment
  UC1762377  Viola lobata subsp. lobata F. Hoffman 1948-7-9 2572 Siskiyou Happy Camp - Waldo Road, 6.5 mi N of West Branch Public Camp (Waldo Road. Comment
  HSC4496  Viola macloskeyi William J. Ferlatte 1966-6-23 131 Siskiyou Yellow Rose Mine 1982 Comment
  JEPS50251  Viola macloskeyi Hilda W. Grinnell 1935-6-7 Siskiyou Deer Camp Ranger Station; Siskiyou Mountains, Deer Camp Ranger Station 1798 Comment
  HSC60671  Viola macloskeyi Ruby Van Deventer Siskiyou Bear Meadow. Comment
  POM83897  Viola macloskeyi Geo. D. Butler 1910-4-23 1228 Siskiyou Cold Springs, Quartz Valley. Comment
  RSA60625  Viola praemorsa I. L. Wiggins 1950-5-28 12358 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  RSA80567  Viola praemorsa subsp. linguifolia Milo S. Baker 1933-4-10 7354 Siskiyou Along Hwy 99, 2 mi S of Yreka. Near an Auto Court. Comment
  UC1734050  Viola purpurea subsp. purpurea Frank Gould, Kay H. Beach 1940-5-15 1239 Siskiyou Bull Meadows Comment
  RSA78827  Viola purpurea subsp. purpurea Philip A. Munz 1952-7-2 17905 Siskiyou W of Baldy Mt, about 6 miles (by air) W of Happy Camp, Siskiyou Mtns. 1738 Comment
  HSC65431  Vulpia microstachys J. P. Smith 1973-5-5 6414 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC68547  Vulpia microstachys Maralyn A. Renner 1980-6-7 783 Siskiyou N of Greenhorn Rd. Comment
  CAS-BOT-BC184592  Vulpia microstachys var. pauciflora Dorothy Parker 1949-5-22 81 Siskiyou On the South slope of School House Hill, East Fork of Scott River 1066 Comment
  SEINET10604535  Vulpia myuros var. hirsuta Louis C. Wheeler 1935-5-4 Wheeler 3459 Siskiyou Dry sunny clay south slope. Greenhorn Creek. Siskiyou Mts. S 28, T 45 N, R 7 W, Mt. Diablo Mer. 853 Comment
  RSA52147  Xerophyllum tenax Dorothy Parker 1948-7-4 88 Siskiyou Summit of Scott Mountain 1677 Comment
  CAS-BOT-BC529148  Xerophyllum tenax A. A. Heller 1919-6-29 s.n. Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy in swampy places. Comment
  UC1099971  Zannichellia palustris Verne Grant and Irving Schneider 1947-8-26 8305 Siskiyou by Interstate Hwy. Lower Klamath Lake Comment
  UC593517  Zigadenus paniculatus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1923 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mountain 1371 Comment
  UC642541  Zigadenus paniculatus W. B. Cooke 1939-6-30 13556 Siskiyou along the MacBride Springs Road (Mount Shasta); Mount Shasta Comment
  UC909339  Zigadenus paniculatus Ira L. Wiggins 1950-5-28 12360 Siskiyou ca 1.5 mi e Scott Mountain Road (margins Carmen Lake); margins Carmen Lake 1737 Comment
  CAS-BOT-BC533074  Zigadenus venenosus Geo. D. Butler 1910-5-27 1414 Siskiyou Shasta Valley Comment
  POM110445  Zigadenus venenosus var. venenosus Geo D. Butler 1910-5-27 1414 Siskiyou Shasta Valley Comment



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