Search Results — 2000 specimen records retrieved (1366 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77931  Abies H. A. Thomas; J. H. Thomas 1954-7-24 4517 A Siskiyou Salmon-Trinity Mts., Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC78122  Abies X shastensis W. R. Dudley 1899-8-1 s.n. Siskiyou top of Black Butte, w. of Mt. Shasta 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
  CAS-BOT-BC73507  Abies concolor L. B. Kildale 1929-7-20 8708 Siskiyou Raspberry Lake, upper Indian Creek. Comment
  HSC46093  Abies concolor J. P. Smith, Steve Selva 1970-7-15 4364 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC68975  Abies concolor Maralyn A. Renner 1980-7-24 2128 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  RSA237339  Abies concolor Frederick W. Oettinger 1968-9-10 809 Siskiyou Slopes NW of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC81890  Abies lasiocarpa var. lasiocarpa D. V. Hemphill 1986-7-18 Siskiyou S of Mavis Lake Comment
  CAS-BOT-BC73484  Abies magnifica W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Comment
  SDSU1514  Abies procera D. F. Howe 1969-9-12 4675 Siskiyou West side of Little Grayback. 1524 Comment
  UC138080  Acer circinatum A. A. Heller 1905-6-1 7923 Siskiyou between Dunsmuir and Upper Soda Spring; between Dunsmuir and Upper Soda Spring Comment
  UC637141  Acer glabrum var. glabrum Edward Lee 1934-8-13 1078 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch Indian Creek watershed (watershed of West Branch of Indian Creek, Klamath National Forest) 1463 Comment
  HSC22292  Acer glabrum var. torreyi J. O. Sawyer 1969-6-10 794 Siskiyou Lower SE slope above Sugar Creek, near Sugar Lake. 1799 Comment
  HSC29477  Acer glabrum var. torreyi Frederick W. Oettinger 1967-8-21 302 Siskiyou Marble Mtn. Wilderness Area, along trail to Pine Lake 1982 Comment
  HSC4910  Acer glabrum var. torreyi J. O. Sawyer 1968-9-13 710 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC67768  Acer glabrum var. torreyi John Palmer 1980-8-13 776 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  RSA790238  Acer glabrum var. torreyi Rebecca Wenk 2005-7-15 238 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose mine trail. 2043 Comment
  CAS-BOT-BC332790  Acer macrophyllum A. A. Heller 1920-8-11 13506 Siskiyou Metcalf's ranch, NE base of Mt. Eddy 1158 Comment
  CAS-BOT-BC332796  Acer macrophyllum Geo. D. Butler 1910-4-24 1236 Siskiyou Shackleford Creek Comment
  POM87431  Acer macrophyllum Geo. D. Butler 1910-4-24 1236 Siskiyou Shakleford Creek Comment
  UC166209  Acer negundo Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  SEINET7892714  Acer negundo subsp. californicum G. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  HSC76955  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  JEPS37099  Achillea millefolium W. L. Jepson 1940-6-23 20024 Siskiyou n of Mt. Shasta; Andesite sta., n. of Mt. Shasta 975 Comment
  RSA237254  Achlys triphylla Frederick W. Oettinger 1967-6-28 133 Siskiyou Kelly Gulch (tributary to Salmon River). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  CAS-BOT-BC210721  Achnatherum lemmonii Louis C. Wheeler 1934-6-11 2682 Siskiyou Klamath National Forest. N. Hungry Cr. 1310 Comment
  CAS-BOT-BC210863  Achnatherum occidentale subsp. californicum Alice Eastwood 1912-7-15 1131 Siskiyou McCloud Comment
  RSA238979  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-8-8 454 -a Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UCD55544  Achnatherum occidentale subsp. californicum A. H. Murphy 1953-7-28 KNF 4 Siskiyou Klamath National Forest. Long Gulch Camp. 1889 Comment
  UC891059  Achyrachaena mollis Louis C. Wheeler 1935-5-26 3533 Siskiyou Yreka Creek; Siskiyou Mts., Yreka Creek 853 Comment
  HSC27690  Acmispon micranthus Carl W. Mize 1972-6-8 40 Siskiyou Along main trail 366 Comment
  CHSC75712  Acmispon nevadensis var. nevadensis Vernon H. Oswald; Lowell Ahart 1999-7-5 9812 Siskiyou Gazelle Mtn. on road 41N03 0.6 mi southeast of Gazelle-Callahan Hwy. 1524 Comment
  UC1299408  Aconitum columbianum Freed W. Hoffman 1951-7-15 4038 Siskiyou w. side Kelsey Creek (Hammond Camp); , Kelsey Creek 1524 Comment
  HSC76664  Aconitum columbianum subsp. viviparum K. T. Stillman 1976-7-29 308 Siskiyou Marble Mtn. Wilderness Area, Bear Creek Trail 1585 Comment
  POM365536  Aconitum columbianum var. columbianum Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CHSC98234  Aconogonon newberryi J. E. Bowlin 1967-7-18 71 Siskiyou On roadside, ca. 3.9 mi w of Mt Shasta Ski Bowl. 2133 Comment
  CHSC49  Adiantum aleuticum V. Holt 1932-7-24 Siskiyou Mt. Eddy. 1524 Comment
  UCD137057  Adiantum aleuticum B. Crampton 1956-8-21 3836 Siskiyou White Ridge, canyon of the South Fork of the Sacramento River. 1371 Comment
  CHSC91255  Aegilops cylindrica Lowell Ahart; John Dittes 2005-6-10 12122 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  CDA36800  Aegilops cylindrica D. B. Joley 1976-6-24 1 Siskiyou Montague. 0 Comment
  RSA17696  Agastache parvifolia Elmer I. Applegate 1935-6-7 9406 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC77050  Agastache urticifolia K. T. Stillman 1976-7-7 171 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  RSA184630  Ageratina occidentalis Clare B. Hardham 1965-8-20 1304 -4 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  POM56238  Agoseris glauca var. dasycephala Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest Foothills. 1524 Comment
  CAS-BOT-BC15388  Agoseris grandiflora var. grandiflora Grant 1902-9-11 5160 Siskiyou Sisson Comment
  CAS-BOT-BC15391  Agoseris grandiflora var. grandiflora George Dexter Butler 1910-5-19 1367 Siskiyou Near Yreka Comment
  SBBG30514  Agoseris heterophylla D. Myrick 1968-6-28 2052 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  RSA48237  Agoseris heterophylla Roxana S. Ferris, Laura Lorraine 1948-6-12 11837 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  RSA233667  Agoseris monticola R. F. Thorne, Frederick W. Oettinger 1969-8-10 38992 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  RSA264989  Agoseris retrorsa Gilbert Muth 1975-7-28 10065 Siskiyou Near Cook and Green Pass, near Seiad Valley 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
  POM211400  Agrostis L. C. Wheeler 1934-6-26 2792 Siskiyou Border of sunny creek, Cottonwood creek 838 Comment
  CAS-BOT-BC126983  Agrostis exarata Geo. D. Butler 1910-6-21 1595 Siskiyou Yreka Creek. Comment
  CHSC86621  Agrostis exarata Jenny Marr 1993-7-1 4 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC53498  Agrostis exarata W. L. Jepson 1895-1 Siskiyou Shasta Comment
  CAS-BOT-BC139563  Agrostis gigantea A. A. Heller 1920-8-12 13509 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1158 Comment
  JEPS83986  Agrostis idahoensis L. R. Heckard with J. Hickman et al. 1986-7-17 6474 Siskiyou ca 5 mi n Seiad Valley (town) (trail up to Kangaroo Peak, s of Lily Pad Lake) 1800 Comment
  UC1265414  Agrostis idahoensis F. W. Oettinger 1968-9-7 765 Siskiyou Tobacco Lake Salmon Mountains, Tobacco Lake (w Siskiyou) 1889 Comment
  RSA239063  Agrostis pallens Frederick W. Oettinger 1969-9-1 1578 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA239088  Agrostis pallens Frederick W. Oettinger 1969-8-16 1390 b Siskiyou near Upper English Lake? The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC30451  Agrostis thurberiana Frederick W. Oettinger 1969-8-19 1457 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  UCR143549  Agrostis viridis L. C. Wheeler 1934-6-26 2792 Siskiyou Siskiyou Mountains, Cottonwood Creek 838 Comment
  UC57363  Allium acuminatum H. M. Hall and E. B. Babcock June, 1903 4086 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  CAS-BOT-BC462372  Allium amplectens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  HSC68554  Allium campanulatum Maralyn A. Renner 1980-6-8 797 Siskiyou Slopes E of Hwy. 3 1341 Comment
  HSC77062  Allium falcifolium K. T. Stillman 1976-8-7 194 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  JEPS15031  Allium falcifolium E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1913 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  JEPS47599  Allium falcifolium W. L. Jepson 1902-7-22 2096 Siskiyou Devil's Backbone, on border between Trinity amd Humboldt County Devil's Backbone 1828 Comment
  HSC44754  Allium falcifolium J. O. Sawyer 1978-6-19 3259 Siskiyou Marble Mtn. Wilderness, along trail W of Grants Meadow 1860 Comment
  CAS-BOT-BC474286  Allium obtusum var. obtusum W. B. C. 1938-7-1 11163 Siskiyou Panther Creek Sand Flats. Sand Flats in openings, on morainal deposits in the Shata Fir forest. 1981 Comment
  CHSC31011  Allium siskiyouense M. S. Taylor; J. Prouty 1980-6-25 2963 Siskiyou Grizzly Peak and western ridge, ca. 5 mi due e of Lake McCloud. 1889 Comment
  CHSC2066  Allium validum V. Holt 1932-6-27 Siskiyou Black Butte Meadow. 1219 Comment
  HSC25682  Allium validum J. O. Sawyer 1969-8-5 1758 Siskiyou W of Little Duck Lake 2073 Comment
  SEINET8193676  Allium validum G. D. Butler 1910-6-19 1577 Siskiyou Goosenest foothills. 1524 Comment
  RSA211509  Allium validum William J. Ferlatte 1966-8-17 393 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  RSA367151  Allium validum Laura Witherspoon 1977-7-30 s.n. Siskiyou Flint Valley. 1341 Comment
  UC618907  Allotropa virgata W. Bridge Cooke 1938-7-15 11227 Siskiyou Mount Shasta 2133 Comment
  UC847420  Alnus incana subsp. tenuifolia A. A. Heller 1916-8-24 12559 Siskiyou near Sisson Comment
  CLARK-A1528-7858  Alnus tenuifolia John C. Roos 1948-9-1 3953 Siskiyou Etna Comment
  HSC69169  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-8-6 2326 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC539680  Alnus viridis subsp. sinuata Doris K. Kildale 1929-7-20 8721 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  SEINET12027701  Alnus viridis subsp. sinuata H. P. Chandler 1901-1 1618 Siskiyou near Marble Mountain, North Coast Ranges 2134 Comment
  UCD55833  Alopecurus aequalis L. Whitney 1934-6-29 2234 Siskiyou Antelope Creek, near Tennant. 1463 Comment
  CAS-BOT-BC138104  Alopecurus aequalis var. aequalis Louis C. Wheeler 1934-6-26 2795 Siskiyou Siskiyou Mountains. Cottonwood Creek. 838 Comment
  UC165945  Alyssum alyssoides Geo. D. Butler 1909-5-13 722 Siskiyou Cottonwood Creek below Hornbrook; Cottonwood Creek Comment
  CDA3623  Alyssum alyssoides F. D. Horn 1980-4-24 Siskiyou Williams Creek near Collier Rest Area, I-5 near Hornbrook. 0 Comment
  HSC43825  Alyssum alyssoides Maralyn O'Meara 1974-5-27 479 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC2906  Amaranthus blitoides D. M. Thomson 1965-7-31 158 Siskiyou Lava Beds National Monument, Telephone Line Rd., 0.5 mi. S of dump. Comment
  SEINET7903653  Amaranthus californicus D. Butler 1910-8-5 1812 Siskiyou Yreka Comment
  HSC25759  Amelanchier alnifolia var. pumila D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19531 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  HSC4959  Amelanchier pallida J. O. Sawyer 1968-7-22 529 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC65271  Amelanchier pallida Rich White 1978-7-6 247 Siskiyou Pond above Elk Hole 1524 Comment
  HSC68339  Amelanchier pallida Maralyn A. Renner 1980-6-26 1229 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC99677  Amelanchier pallida G. L. Clifton, Terry Griswold 1979-6-28 6109 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  RSA453150  Amelanchier pallida Christopher Davidson 1975-6-5 2686 Siskiyou 0.8 mile N of Scott Mtn Summit on Hwy 3. 1585 Comment
  UC60892  Amelanchier utahensis W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta Comment
  HSC3531  Amsinckia tessellata D. M. Thomson 1965-6-12 83 Siskiyou Lava Beds National Monument, Hovey Point Comment
  UC468799  Anaphalis margaritacea H. W. Furlong Sep 1901 Siskiyou summit to Ager Comment
  CDA10071  Ancistrocarphus filagineus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2628 Siskiyou 16 km south of Fort Jones on Scott Valley East Side Road. Comment
  JEPS20406  Androsace elongata subsp. acuta Louis C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek Siskiyou Mountains, Greenhorn Creek 944 Comment
  CHSC32971  Anemone deltoidea J. P. Smith; Steve Selva 1970-6-16 4063 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  HSC4931  Anemone deltoidea J. O. Sawyer 1968-7-10 483 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC1258456  Anemone deltoidea Maralyn A. Renner 1980-7-14 1717 Siskiyou headwaters Etna Creek (near rd at switchback); Klamath National Forest, headwaters of Etna Creek 1706 Comment
  CAS-BOT-BC391792  Anemone deltoidea Clarence R. Quick 1959-6-19 59 -20 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC391850  Anemone drummondii John Thomas Howell 1939-8-2 14873 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS84230  Anemone drummondii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6424 Siskiyou ca. 5 mi. n. town of Seiad Valley (e. slope of Kangaroo Mt., cirque at head of Hell's Canyon); Kangaroo Mt., head of Hell's Canyon 1828 Comment
  UC1096825  Anemone drummondii Douglas Barbe and H. K. Wagnon 1957-6-16 13134 Siskiyou Scott Mt. 1920 Comment
  UC8901  Anemone multifida Harley P. Chandler 1901-6-1 1657 Siskiyou North Coast Ranges, Marble Mountain Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  HSC77116  Anemone multifida var. multifida K. T. Stillman 1976-6-25 64 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  HSC62126  Anemone occidentalis Al Hobart Siskiyou Preston Peak Comment
  UCSB11466  Anemone occidentalis Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou Soloman Mt. Summit 1981 Comment
  RSA120795  Antennaria argentea S. S. Tillett 1956-7-11 700 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  RSA261526  Antennaria dimorpha Jennifer Whipple 1972-4-30 58 Siskiyou 4 miles east of Etna on east side of Callahan Road, Weston Gulch. Comment
  HSC62589  Antennaria racemosa Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  JEPS82732  Antennaria racemosa Wayne Roderick 1983-7-8 Siskiyou on n-facing slope Cook and Green Pass 1432 Comment
  UC336312  Antennaria rosea unknown 1889-6-28 Siskiyou Edgwood Comment
  SEINET11854066  Antennaria rosea H. P. Chandler 1901-1 1656 Siskiyou Marble Mountain 2438 Comment
  HSC77074  Antennaria rosea subsp. rosea K. T. Stillman 1976-6-26 108 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  HSC4642  Antennaria rosea subsp. rosea D. M. Thomson 1965-8-7 180 Siskiyou California Lava Beds National Monument; Cave Loop road Comment
  RSA416838  Anthemis cotula Mr Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  UC909318  Antirrhinum vexillocalyculatum subsp. breweri Rodney Gregg 1948-8-20 Siskiyou near Sniktaw Creek (along road at Quartz Valley); Quartz Valley 914 Comment
  JEPS60250  Antirrhinum vexillocalyculatum subsp. breweri L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2317 Siskiyou 15 mi from U.S. Hwy 99 and Gilman Road (off Gilman Road, on n side of the McCloud River arm of Lake Shasta); Lake Shasta, McCloud River 487 Comment
  UC22902  Apocynum androsaemifolium W. H. Brewer 1862-9-16 1407 Siskiyou Mt. Shasta Comment
  UC455929  Apocynum androsaemifolium I. J. Condit 1911-7-14 Siskiyou Shasta Retreat Comment
  UCD63245  Apocynum androsaemifolium Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. Scott Mountains, Klamath National Forest. 1900 Comment
  HSC93641  Apocynum androsaemifolium Gordon Leppig, T. LaBanca 1998-7-11 922 Siskiyou Klamath National Forest, Duck Lakes trailhead. 1280 Comment
  UC595133  Apocynum androsaemifolium David D. Keck 1938-8-8 4875 Siskiyou between Scott Mt. and Craggy Peak (at Trinity Co. line); Scott Mt. Divide 1675 Comment
  CAS-BOT-BC395154  Aquilegia formosa Mrs. H. P. Bracelin 1931-6-19 407 Siskiyou N side of Mt. Eddy, up from Metcalf's ranch house 1341 Comment
  CAS-BOT-BC407124  Aquilegia formosa A. A. Heller 1916-7-20 12472 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  UC1190163  Aquilegia formosa Ira L. Wiggins 1955-7-24 13499 Siskiyou above diversion dam (trail at crossing of China Creek) 1301 Comment
  UC166050  Aquilegia formosa Geo. D. Butler 1908-8-9 352 Siskiyou s Marble Valley (hillside) 1828 Comment
  UC375262  Aquilegia formosa Geo. D. Butler 1908-7-12 1062 Siskiyou Humbug Mt. Comment
  HSC68428  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-4 1395 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  RSA68874  Aquilegia formosa var. truncata A. E. Culbertson 1943-7-1 82 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000' above Sacramento. within 10 air miles of its headwaters to the west. Comment
  HSC22078  Arabis divaricarpa J. O. Sawyer 1969-7-24 1491 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  RSA0126146  Arabis divaricarpa L. C. Wheeler 1934-8-6 3053 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  HSC22442  Arabis divaricarpa var. interposita J. O. Sawyer 1969-6-2 1020 Siskiyou Summit above Albert Lake 2256 Comment
  CAS-BOT-BC65370  Arabis eschscholtziana R. C. Wenk 2005-7-16 252 Siskiyou South Fork of the Salmon River, south end of Big Flat Meadow. 1493 Comment
  HSC74922  Arabis holboellii var. pendulocarpa J. P. Smith, Jennifer Whipple 1978-7-2 9963 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  CDA24655  Arabis holboellii var. retrofracta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2617 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  CDA24657  Arabis holboellii var. retrofracta F. D. Horn 1977-5-2 Siskiyou Near Weed. 0 Comment
  HSC44946  Arabis holboellii var. retrofracta J. O. Sawyer 1978-6-18 3236 Siskiyou Marble Mtn. Wilderness, along trail N of Shelly Meadows 1921 Comment
  RSA78819  Arabis holboellii var. retrofracta P. A. Munz 1952-7-2 17897 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  HSC69143  Arabis koehleri Maralyn A. Renner 1980-8-8 2474 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  RSA237291  Arabis lyallii Frederick W. Oettinger 1968-8-4 390 -a Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  POM266029  Arabis oregana Lincoln Constance, Reed C. Rollins 1942-5-13 2915 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  RSA0001909  Arabis sparsiflora var. subvillosa Geo. D. Butler 1909-5-8 723 Siskiyou Yreka Hills. Comment
  CAS-BOT-BC171698  Aralia californica J. H. Thomas; H. A. Thomas 1954-7-22 4441 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville, between Rush and Big Bend Creeks, .25 - .5 miles N of S Fork of Salmon river. Along banks of Big Bend Creek. 975 Comment
  CDA15524  Aralia californica G. F. Hrusa 1998-7-5 14692 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy., at mile 5.x. Sheet 1 of 2 Comment
  CAS-BOT-BC407725  Arceuthobium abietinum F. G. Hawksworth; D. Wiens 1964-7-1 641 Siskiyou on Mt. Shasta Ski Area Road, 5 miles from US 99 (Mt. Shasta) 1524 Comment
  CHSC97992  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 532 Siskiyou 0.8 km north of Highway 89 on forest road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. Comment
  CAS-BOT-BC410042  Arceuthobium cyanocarpum William Bridge Cooke 1938-8-23 11576 Siskiyou N slope of Shastina in the upper end of the Shastina lava park 2438 Comment
  CAS-BOT-BC39976  Arctostaphylos nevadensis Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  CAS-BOT-BC39982  Arctostaphylos nevadensis Wayne Roderick; Martha Roderick 1979-7-11 s.n. Siskiyou Mumbo Basin 1737 Comment
  JEPS49476  Arctostaphylos nevadensis B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  RSA47624  Arctostaphylos nevadensis Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11801 Siskiyou At Mule Creek crossing on Scott Mt. Road so. of Callahan. 1463 Comment
  UC1733768  Arctostaphylos nevadensis Kay H. Beach 1940-5-15 633 Siskiyou between Bull Meadows and Goosenest Mtn. Goosenest Mtn. 2133 Comment
  UC796483  Arctostaphylos nevadensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11801 Siskiyou on Scott Mt. Rd. at Mule Creek Crossing (s of Callahan) 1493 Comment
  JEPS124854 Image available Arctostaphylos nevadensis J. Yamanaka 1965-7-13 135 Siskiyou Mt. Shasta. Comment
  SEINET11989082  Arctostaphylos nevadensis subsp. knightii R. Raiche, Zadnik, K. 1982-1 20558 Siskiyou Deadwood Lookout near Yreka 1676 Comment
  CAS-BOT-BC46479  Arctostaphylos patula Doris K. Kildale 1928-8-19 6566 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC46514  Arctostaphylos patula A. A. Heller 1921-7-23 13586 Siskiyou Very common near the ice cave near the Pilgrim Creek forestry nursery. Comment
  HSC69157  Arctostaphylos patula Maralyn A. Renner 1980-8-7 2394 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  JEPS38843  Arctostaphylos patula Willis L. Jepson July 1894 14720 Siskiyou near Sisson; Mt. Shasta Comment
  POM367402  Arctostaphylos patula B. C. Templeton 1964-6-10 10067 Siskiyou Moutain slope of Mt. Shasta. Comment
  RSA238582  Arctostaphylos patula Frederick W. Oettinger 1969-7-14 1018 Siskiyou On the ridge between David Montain (peak S.W. of Charmaine Lake) and the peak due S. of Abbotts lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1483421  Arctostaphylos patula Maralyn A. Renner 1980-7-23 1929 Siskiyou w side Upper Devil's Peak; Klamath National Forest, Seiad Valley Quad., Pacific Crest T 1767 Comment
  UC410485  Arctostaphylos patula Mrs. Eric Anderson 1923-4-19 Siskiyou Shasta Spring Comment
  HSC6087  Arctostaphylos viscida G. L. Clifton, Griswold 1979-6-27 6087 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  JEPS51409  Arenaria congesta var. suffrutescens Geo. D. Butler 1908-8-3 51 Siskiyou Log Lake 1371 Comment
  RSA195517  Arenaria congesta var. suffrutescens H. A. Thomas, John H. Thomas 1954-7-24 4507 Siskiyou Salmon-Trinity Mts. Vicinty of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1829 Comment
  UC1282011  Arenaria congesta var. suffrutescens Louise Kellogg Aug 5 1953-Aug 7 1953 107 Siskiyou 1 mi n Cory Peak ((11 mi e of Callahan on road to Gazzelle, then s 5.8 mi on loggin road).); Klamath National Forest, Scott Mountains, Cabin Meadow 1844 Comment
  POM182811  Arenaria congesta var. suffrutescens I. J. Condit 1909-8-23 6 Siskiyou Castle Rock near Sisson. 1829 Comment
  HSC29303  Arnica cordifolia Frederick W. Oettinger 1969-7-14 1023 Siskiyou High Lake Basins near English Peak; Marble Mountain Wilderness Area, above English Lake outlet along route from Charmaine to English Lake 1921 Comment
  HSC46236  Arnica cordifolia Jennifer Whipple 1976-7-1 1276 Siskiyou Mt. Eddy 2317 Comment
  JEPS125847  Arnica dealbata Dean W. Taylor 1996-7-7 15749 Siskiyou Antelope Mountain, about 8 air miles S of Yreka Comment
  UC1041024  Arnica discoidea J. W. Congdon 1900-8-16 Siskiyou Castle Lake Road Comment
  UC892213  Arnica discoidea Alice Eastwood 1912-7-15 1105 Siskiyou Mc Cloud Comment
  JEPS120257  Arnica lanceolata subsp. prima Julie Kierstead Nelson 2011-9-7 2011 -47 Siskiyou Eastern Klamath Mountains, The Eddys, Headwaters of Parks Creek at base of China Mountain, NW of Caldwell Lakes Basin Comment
  HSC29113  Arnica latifolia Frederick W. Oettinger, R. F. Thorne 1969-8-6 1256 Siskiyou Marble Mtn. Wilderness Area, above flume in Tom's Lake Basin 1890 Comment
  HSC29300  Arnica latifolia Frederick W. Oettinger 1968-8-10 460 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; along the old Hancock Lake trail to Diamond Lake 1974 Comment
  HSC96833  Arnica latifolia S. Lyon, J. McIntire 2006-6-25 26 Siskiyou Burns Ranch; On F.S. Rd. 39N41, 0.2 miles southwest of intersection with Rd. 39N27 1341 Comment
  CAS-BOT-BC90079  Arnica ovata John Thomas Howell 1939-8-8 15179 Siskiyou Black Mt., Marble Mts. Comment
  JEPS109883  Arnica viscosa Dean W. Taylor 2005-8-18 19467 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek (ca. 12 air miles NE of the summit of Mt. Shasta) 1950 Comment
  UCD129189  Artemisia arbuscula J. M. Tucker; L. K. Mann 1963-8-18 3764 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  CAS-BOT-BC90481  Artemisia douglasiana Elmer I. Applegate 1923-8-21 3922 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CAS-BOT-BC90473  Artemisia douglasiana David Keck 1938-8-19 11509 Siskiyou Howard, along overflow stream from Mount Shasta City water resevoir 1219 Comment
  CAS-BOT-BC90475  Artemisia douglasiana Geo. D. Butler 1910-7-29 1798 Siskiyou Dampland, Yreka Comment
  SEINET6775399 Image available Artemisia douglasiana G. D. Butler 1910-7-29 1798 Siskiyou Yreka Comment
  CAS-BOT-BC97250  Artemisia ludoviciana J. P. Smith; J. O. Sawyer 1973-8-14 7324 Siskiyou Hillside west of Cliff Lake 2011 Comment
  HSC68276  Artemisia ludoviciana subsp. ludoviciana Steve Selva, J. P. Smith 1970-8-9 4578 Siskiyou W of Macdoel Comment
  HSC35804  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-4 1862 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  CAS-BOT-BC97415  Artemisia tridentata subsp. tridentata L. E. Smith 1913-4-10 64 Siskiyou Bray Comment
  RSA96621  Aruncus sylvester Percy C. Everett, E. K. Balls 1954-10-13 20280 Siskiyou Seiad Creek, road to Kangaroo Mt, 6.5 miles NE from Hwy 96. 701 Comment
  UCD137826  Asarum caudatum Mary Andriessen 1962-5-19 54 Siskiyou in vicinity of Flicker Ridge in the Moraga Hills. Comment
  CAS-BOT-BC400697  Asarum hartwegii Doris K. Kildale 1929-5-12 7785 Siskiyou Sawyers Bar, North Fork of Salmon River Comment
  CAS-BOT-BC400698  Asarum hartwegii Doris K. Kildale 1930-6-1 9715 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  HSC68477  Asclepias cordifolia Maralyn A. Renner 1980-6-8 811 Siskiyou Slopes E of Hwy. 3 1341 Comment
  SEINET6833745  Asclepias cordifolia G. D. Butler 1910-5-23 1396 Siskiyou Humbug Mountain 1219 Comment
  SEINET10890225  Asclepias fascicularis H. E. Brown 1897-8-1 Brown 596 Siskiyou Mt. Shasta, S side Comment
  CHSC71559  Aspidotis densa Vernon H. Oswald; Lowell Ahart 1998-8-3 9448 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 1.2 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. 1767 Comment
  HSC46339  Aspidotis densa J. P. Smith 1973-5-5 6492 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  POM210962  Aspidotis densa L. C. Wheeler 1934-8-13 3112 Siskiyou East Fork Horse Creek, Siskiyou Mountains 1982 Comment
  CAS-BOT-BC99243  Aster W. R. Dudley 1899-8-13 s.n. Siskiyou Near Pig Creek, McCloud Comment
  POM58128  Aster occidentalis var. occidentalis E. B. Copeland 1913-9-8 3856 Siskiyou Mt. Eddy Comment
  RSA582638  Astragalus accidens var. hendersonii Louis C. Wheeler 1936-6-30 3641 Siskiyou 3 mi. S. Grenada, Shasta Valley. 793 Comment
  CAS-BOT-BC178814  Astragalus californicus L. E. Smith 1915-5-30 s.n. Siskiyou Weed Comment
  CDA26671  Astragalus gambelianus F. D. Horn 1980-4-24 Siskiyou Hornbrook. 0 Comment
  UC1584588  Astragalus inversus Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9865 Siskiyou ca 1 mi se Adobe Flat (ca 4 mi n of Timbered Crater); Fall River Mills Quad., Modoc Plateau, n of Timbered Crater 1097 Comment
  UC144159  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Grenada Station Comment
  JEPS54808  Astragalus purshii var. tinctus J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  HSC92364  Astragalus whitneyi var. siskiyouensis Jennifer Whipple 1976-6-30 1209 Siskiyou SE slope of Mount Eddy draining into the N fork of the Sacramento River 2256 Comment
  SJSU2585  Asyneuma prenanthoides H. L. Buckalew 1962-7-4 Siskiyou Red Bank Camp, N Fork Salmon R, Salmon Mts Comment
  RSA331952  Athyrium americanum W. Wisura, Dave Kelly 1985-7-31 4084 Siskiyou Mt. Shasta, end of Everitt Memorial Hwy, in Rocky Ravin. Comment
  RSA183740  Athyrium filix-femina subsp. cyclosorum Gilbert Muth 1965-8-3 150 Siskiyou Marble Mountains, creek at Marble Valley Comment
  CAS-BOT-BC66199  Athyrium filix-femina var. cyclosorum Louis C. Wheeler 1934-8-10 3094 Siskiyou Jaynes Canyon, Siskiyou Mts. 1371 Comment
  RSA482804  Athysanus pusillus L. C. Wheeler 1934-6-9 2675 Siskiyou Hungry Creek, Siskiyou Mts. Mt. Diablo Meridian. 1098 Comment
  CDA23342  Atriplex triangularis R. Pederson, G. Pederson 1980-11-9 Siskiyou Lower Klamath National Wildlife Refuge. 0 Comment
  UC1577645  Balsamorhiza lanata W. T. Mooney Apr 1903 Siskiyou Yreka Comment
  UC1540008  Balsamorhiza sagittata M. Mitchell 1936-5-8 7 Siskiyou 1/4 mi e of, on road Symbol Bridge 1417 Comment
  CAS-BOT-BC106446  Balsamorhiza sericea Roxana S. Ferris; Laura Lorraine 1948-6-12 11713 Siskiyou Schoolhouse Hill Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  SBBG2418  Barbarea vulgaris H. and M. Dearing 1939-6-5 3550 Siskiyou E of McCloud Comment
  UCR51825  Bassia hyssopifolia L. C. Wheeler 1934-10-21 03332 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  UC165953  Berberis aquifolium var. dictyota Geo. D. Butler 1909-4-22 591 Siskiyou along creek near Yreka Comment
  HSC41073  Berberis aquifolium var. repens J. O. Sawyer 1970-3-4 2076 Siskiyou N of Idlewild Campground. 762 Comment
  HSC5006  Berberis aquifolium var. repens J. O. Sawyer 1968-9-9 647 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC65095  Berberis aquifolium var. repens J. P. Smith 1973-5-5 6399 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC75917  Berberis piperiana Doris K. Kildale 1928-8-18 6428 Siskiyou North Fork Salmon River at Finley Camp. Comment
  CAS-BOT-BC75926  Berberis piperiana L. B. Kildale 1930-6-1 9822 Siskiyou Etna Mills. Comment
  CAS-BOT-BC169486  Betula occidentalis L. B. Kildale 1930-6-1 9841 Siskiyou Mill Creek near Etna Mills 914 Comment
  CAS-BOT-BC169489  Betula occidentalis W. R. Dudley 1899-8-8 s.n. Siskiyou near Sisson Comment
  RSA17903  Betula occidentalis W. R. Dudley 1899-8-8 s.n. Siskiyou Near Sisson. Comment
  HSC19288  Bistorta bistortoides J. O. Sawyer 1969-8-4 1903 Siskiyou Above S Sugar Lake 2043 Comment
  HSC81744  Bistorta bistortoides Thomas W. Nelson, Jane P. Nelson 1980-7-20 6186 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC76736  Bistorta bistortoides K. T. Stillman 1976-7-14 236 Siskiyou Marble Mtn. Wilderness Area; Big Rock Camp & slope to Elk Valley 2073 Comment
  CAS-BOT-BC127936  Blepharipappus scaber J. J. Walters 1936-5-30 s.n. Siskiyou Bogus Creek, one mile above its confluence with the Klamath River Comment
  CAS-BOT-BC127945  Blepharipappus scaber L. B. Kildale 1930-6-1 9826 Siskiyou Mill Creek near Etna Mills Comment
  CAS-BOT-BC127939  Blepharipappus scaber T. S. Brandegee 1887-6-1 s.n. Siskiyou Klamath River (Hornbrook) Comment
  JEPS24005  Blepharipappus scaber Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6866 Siskiyou 3 mi below (north of) road summit, on the road to Callahan Scott Mtn. 1219 Comment
  RSA120894  Blepharipappus scaber Milo S. Baker 1957-6-16 13125 Siskiyou Scott Mountain. 1616 Comment
  UC166142  Boechera acutina Geo. D. Butler 1910-7-5 1524 Siskiyou Log Lake Shackleford Creek Comment
  UC673145  Boechera breweri Lincoln Constance and Reed C. Rollins 1942-5-13 2902 Siskiyou 8 mi s Happy Camp (near Clear Creek); Klamath-Siskiyou Region, Klamath River 304 Comment
  JEPS105132  Boechera breweri subsp. breweri Dean W. Taylor 1996-5-29 15640 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) 1371 Comment
  UC583301  Boechera breweri subsp. shastaensis Alice Eastwood and John Thomas Howell 1934-4-20 1762 Siskiyou near Yreka (along Shasta River); Shasta Rvier Comment
  CAS-BOT-BC13810  Boechera howellii Marion Ownbey; Fred G. Meyer 1940-7-4 2188 Siskiyou East side of Mount Shasta. On ridge above head of Brewer Creek. Comment
  CAS-BOT-BC14665  Boechera rectissima Alice Eastwood 1912-7-19 1231 Siskiyou Mount Shasta. Comment
  CHSC96093  Boechera retrofracta L. P. Janeway 2006-7-3 8752 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  CAS-BOT-BC25443  Boechera retrofracta Elmer I. Applegate 1895-5-29 29 b Siskiyou Sisson (Mt. Shasta City), west base of Mount Shasta. Comment
  POM256467  Boisduvalia densiflora var. densiflora Edward Lee 1934-8-10 1017 Siskiyou Klamath River, south bank between McKinney and Parker house creeks (near Hamburg) 610 Comment
  HSC29124  Boschniakia strobilacea Frederick W. Oettinger 1969-7-14 1021 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area, on the N side of Charmaine Lake 1921 Comment
  JEPS104442  Botrypus virginianus Martin J. Lenz 2003-8-1 36 Siskiyou approx 1.2 air mi WSW of Mott Airport, Dunsmuir 1048 Comment
  CAS-BOT-BC438785  Boykinia major Dana York 2012-7-20 3120 Siskiyou Rogue River - Siskiyou National Forest, Siskiyou Mountains, ca. 2.4 km W-SW of Cook and Green Pass, moist slope above Echo Lake. 1710 Comment
  HSC64835  Boykinia occidentalis J. P. Smith, Steve Selva 1970-6-15 3914 Siskiyou 10 mi. NW of Forks of Salmon Comment
  SEINET10879263  Brickellia greenei Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 862 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary. T39N R5W S10. 1277 Comment
  OBI55536  Brickellia greenei David J. Keil 1992-7-24 23562 Siskiyou Klamath Natl forest E of Callahan. 2.5 mi N of Kangaroo Lake on Rail Crk rd Comment
  SEINET10533805  Brodiaea gracilis Katherine L. Morris 1973-5-25 Morris 278 Siskiyou Collected 7 miles e of mccloud on hwy. 89 In an area of pinus ponderos and Pinus attenuata Comment
  CAS-BOT-BC144105  Bromus Ira L. Wiggins 1950-5-27 12354 Siskiyou Banks of east fork of Scott River, at Callahan Ranger Station, Callahan. 975 Comment
  POM228871  Bromus carinatus L. C. Wheeler 1935-5-11 3476 Siskiyou Klamath River at Ash Creek 610 Comment
  SJSU11319  Bromus carinatus var. carinatus S. H. Casey 1981-7-4 1211 Siskiyou N side of Cook & Green Pass, Siskiyou Mts, Seiad Creek Road c. 9 mi N of Seiad Valley, northwestern Siskiyou County. 1463 Comment
  UC164918  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest Foothills Comment
  UC618691  Bromus carinatus var. carinatus W. Bridge Cooke 1938-6-24 11062 Siskiyou Mount Shasta, MacBride Spring MacBride Spring; Mount Shasta, MacBride Spring 1524 Comment
  HSC76729  Bromus carinatus var. marginatus K. T. Stillman 1976-8-8 393 Siskiyou Marble Mtn. Wilderness Area, ridge W of jump off. 2073 Comment
  HSC103031  Bromus diandrus J. P. Smith 2014-6-7 13889 Siskiyou Yreka 844 Comment
  CAS-BOT-BC155217  Bromus hordeaceus Wm. Bridge Cooke 1938-7-15 11216 Siskiyou Mount Shasta. Above Bear Springs. 1676 Comment
  UC593531  Bromus laevipes E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1907 Siskiyou about 7 mi sw of Yreka (s of highway from Yreka to Fort Jones, Forest House Mountain); Forest House Mountain 1371 Comment
  UC70747  Bromus laevipes T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC1265366  Bromus orcuttianus Frederick W. Oettinger and R. F. Thorne 1969-8-6 1246 Siskiyou below Pine Lake Basin (in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  JEPS69218  Bromus secalinus Geo. D. Butler 1909-6-5 826 Siskiyou near Yreka Comment
  HSC26633  Bromus tectorum J. P. Smith, Steve Selva 1970-6-16 4013 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  HSC36759  Bromus tectorum J. P. Smith 1974-5-25 7408 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC9353  Bromus tectorum D. M. Thomson 1965-6-12 84 Siskiyou Lava Beds National Monument, Hovey Point Comment
  UC1483562  Bromus tectorum Maralyn A. Renner 1980-6-22 90 Siskiyou n of Little Shasta River (Klamath National Forest); Klamath National Forest 1371 Comment
  UCD59884  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC30541  Bromus vulgaris Frederick W. Oettinger, R. F. Thorne 1969-8-6 1246 Siskiyou Salmon Mountains, woods below Pine Lake Basin 1829 Comment
  UCD60229  Bromus vulgaris R. Tofsrud 1948-8-1 s.n. Siskiyou Few mi. N of Happy Camp. Comment
  HSC95754  Calamagrostis breweri Gordon Leppig 1998-8-14 1037 Siskiyou Klamath National Forest, Little Duck Lake Fen, Russian Wilderness, SW of Little Duck Lake 2073 Comment
  CAS-BOT-BC185260  Calamagrostis koelerioides Doris K. Kildale 1929-8-24 9009 Siskiyou Preston Peak. Rattlesnake Meadow. 1676 Comment
  CAS-BOT-BC185266  Calamagrostis koelerioides John Thomas Howell 1937-7-25 13451 Siskiyou Caribou Basin, Salmon Trinity Alps. 2286 Comment
  CAS-BOT-BC185269  Calamagrostis koelerioides M. B. Dunkle 1945-7-22 9239 Siskiyou Klamath Forest. Wooley Pockets Ridge. 2133 Comment
  RSA126056  Calamagrostis koelerioides I. L. Wiggins 1955-7-27 13558 Siskiyou Caribou Lake, Salmon River-Trinity Alps Primitive Area. 2043 Comment
  RSA239129  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 772 Siskiyou On ridge above Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC112322  Calliscirpus criniger Doris K. Kildale 1929-7-21 8739 Siskiyou Elk Lick, South Fork of Indian Creek 1219 Comment
  UC163688  Callitriche verna Geo. D. Butler 1908-8-27 406 Siskiyou Oro Fino Creek Comment
  CAS-BOT-BC85747  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow, Marble Mts. 1792 Comment
  HSC49916  Calocedrus decurrens Maralyn O'Meara 1974-5-25 396 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC68573  Calocedrus decurrens Maralyn A. Renner 1980-6-23 975 Siskiyou W Fork Seiad Creek 878 Comment
  HSC69423  Calocedrus decurrens John Palmer 1980-7-23 559 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  CAS-BOT-BC85742  Calocedrus decurrens W. R. Dudley 1905-8-1 s.n. Siskiyou Sacramento below wood and Sheldon's Mill Comment
  RSA60629  Calochortus coeruleus I. L. Wiggins 1950-5-28 12383 Siskiyou Serpentine ridge just above Grouse lake (headwaters of Grouse Creek). 1738 Comment
  UC722091  Calochortus elegans C. L. Hitchcock and J. S. Martin 1939-7-9 5335 Siskiyou near King's Castle; Paradise Lake 1767 Comment
  CAS-BOT-BC32305  Calochortus elegans var. nanus Marion Ownbey; Mrs. Ruth Peck Ownbey 1938-7-19 1748 Siskiyou 2.5 miles NE of Dry Lake Lookout, summit of Siskiyou Mountains Comment
  CDA39290  Calochortus elegans var. nanus T. R. Haig & F. D. Horn 1978-5-31 s.n. Siskiyou Site of Deadwood Lookout, Fort Jones. 0 Comment
  CHSC30379  Calochortus longebarbatus Eric F. Heinitz 1980-7-17 27 Siskiyou At Tom Young Flat ca. 2 mi. NW of Pondosa. 1292 Comment
  CHSC71511  Calochortus macrocarpus Vernon H. Oswald; Lowell Ahart 1998-7-21 9321 Siskiyou Hwy. 97 at the 11.0 mi mile marker 1.2 mi west of A12 northeast of Weed. 1188 Comment
  CHSC2227  Calochortus nudus V. Holt 1932-6-29 Siskiyou Castle Lake. 1950 Comment
  HSC81989  Calochortus nudus Thomas W. Nelson, Jane P. Nelson 1979-6-16 4867 Siskiyou Along SR 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  SBBG22938  Calochortus nudus H. and M. Dearing 1939-6-30 3754 Siskiyou near Callahan, Trinity Alps Rd Comment
  UC1282007  Calochortus nudus Louise Kellogg Aug 5 1953-Aug 7 1953 102 Siskiyou 1 mi n Cory Peak, Klamath National Forest (11 mi e of Callahan on road to Gazelle, then 5.8 mi s on logging road); Scott Mountains, Cabin Meadow 1844 Comment
  HSC44912  Calochortus tolmiei J. P. Smith, Steve Selva 1970-6-16 4003 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  CAS-BOT-BC181503  Caltha leptosepala Doris K. Kildale 1928-8-19 6513 Siskiyou English Lake, head of north fork of Salmon River Comment
  CAS-BOT-BC181501  Caltha leptosepala Milo S. Baker 1926-8-21 293 c-26 Siskiyou Wet spot near Sulphur Springs, 9 1/2 mi. from Mineral 2072 Comment
  CAS-BOT-BC273391  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 m. NE of Callahan, on road to Gazelle 1100 Comment
  CAS-BOT-BC273393  Calycadenia fremontii Elmer I. Applegate 1923-9-10 3983 Siskiyou Mouth of Salmon River, Klamath River Comment
  UCD129758  Calycadenia fremontii Gerald D. Carr 1974-9-12 783 Siskiyou 0.4 mile east of Somebar on Etna-Somebar Road. Comment
  UC166116  Calycadenia truncata Geo. D. Butler 1908-8-29 320 Siskiyou Comment
  RSA788202  Calycadenia truncata R. L. Carr 1977-7-2 2010 Siskiyou Along Klamath River exit of I-5, 12 mi N of Yreka. 641 Comment
  SEINET7379700 Image available Calycadenia truncata G. D. Butler 1910-7-30 1801 Siskiyou Near Yreka Comment
  CHSC88387  Camassia quamash subsp. breviflora Jenny Marr 1993-7-1 146 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC163724  Camassia quamash subsp. breviflora Geo. D. Butler 1909-6-22 890 Siskiyou 2 mi ne of Mount Shasta (Goosenest Foothills); Goosenest Foothills Comment
  CHSC88123  Camelina microcarpa Jenny Marr 1993-7-1 133 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC36992  Camelina microcarpa L. E. Smith 1913-6-5 415 Siskiyou Montague. Comment
  CHSC78257  Camissonia contorta Vernon H. Oswald 2000-6-5 9926 Siskiyou Butte Valley National Grassland between Macdoel and Dorris, on the north side of Meiss Lake-Sams Neck Road 0.6 mi west of Hwy. 97. 1295 Comment
  CAS-BOT-BC160904  Camissonia tanacetifolia subsp. tanacetifolia Roxana S. Ferris; Laura Lorraine 1941-8-11 10495 Siskiyou Grass Lake Station, on U. S. Highway 97 1554 Comment
  UC131864  Campanula prenanthoides H. E. Brown Jul 15 1897-Jul 31 1897 527 Siskiyou s side Mt. Shasta 1524 Comment
  JEPS60248  Campanula prenanthoides L. R. Heckard with L. Constance and R. Ornduff 1969-7-25 2313 Siskiyou near Fall Creek Inn (along Gilman Road, between the Sacramento and McCloud arms of Shasta Lake); Shasta Lake 396 Comment
  SEINET10463153  Campanula prenanthoides John T. Witherspoon 1977-8-10 Witherspoon s.n. 1977 Siskiyou 2 miles up Forest Service road 12N13 West of Bald Butte. T12N R6E Sec. 11 610 Comment
  SEINET10463158  Campanula prenanthoides Louis Krautter 1905-7-8 Krautter s.n. Siskiyou S. OF MT SHASTA Comment
  UC890554  Campanula rotundifolia John Thomas Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  UC890573  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy Comment
  SEINET10463765  Campanula scouleri Palmer 1980-8-13 Palmer 796 Siskiyou Condry Mountain quadrangle: Dead Cow Creek, near Forest Service road 47N44 from Beaver Creek Road. Mixed Conifer Forest. T47N R9W Sec. 18 NW 1/4 1615 Comment
  SEINET10872957  Campanula scouleri Louis Krautter 1905-7-7 Krautter s.n. Siskiyou NEAR SISSON, DENSE WOODS 1067 Comment
  SEINET10463871  Campanula wilkinsiana Renner 1980-8-21 RENNER 2538 Siskiyou Coffee Creek Quadrangle; south corner boundry, Kidd Creek, streamside. T37N R9W Sec. 32-33 2042 Comment
  CAS-BOT-BC37192  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  HSC64113  Capsella bursa-pastoris J. P. Smith 1973-5-5 6657 Siskiyou Etna 793 Comment
  UC618905  Cardamine bellidifolia var. pachyphylla Reed Rollins 1938-9-8 11647 Siskiyou n slope Red Butte (Mount Shasta); , n slope Red Butte Comment
  CAS-BOT-BC37314  Cardamine breweri Reed Rollins 1939-6-23 13508 Siskiyou Mount Shasta. Bear Springs. 1524 Comment
  HSC68475  Cardamine californica Maralyn A. Renner 1980-6-26 1218 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC375296  Cardamine californica Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs Comment
  JEPS53394  Cardamine californica var. integrifolia Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs Comment
  CAS-BOT-BC38067  Cardamine pachystigma W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, vicinity of Mount Shasta. Comment
  CAS-BOT-BC19765  Carex abrupta John Thomas Howell 1939-8-9 15192 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC19766  Carex abrupta John Thomas Howell 1939-8-3 14962 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  SEINET10585936  Carex abrupta David Castaner 1989-6-19 Castaner 10240 Siskiyou Along Hwy 3 Between Callahan and Gazelle along a rocky stream. Comment
  HSC33303  Carex angustata William J. Ferlatte 1974-7-26 1594 Siskiyou Big Flat, near S fork of the Salmon River. Bottom of meadow W of campground 1509 Comment
  CAS-BOT-BC18131  Carex athrostachya John Thomas Howell 1939-8-8 15139 Siskiyou Marble Mountains. Between Sky High Valley and Marble Valley. Comment
  UC1100435  Carex athrostachya Herbert L. Mason 1948-7-18 13610 Siskiyou Grass Lake Comment
  CAS-BOT-BC19096  Carex aurea William Bridge Cooke 1939-6-23 13539 Siskiyou In the Lower Wagon Camp spring area. 1737 Comment
  CAS-BOT-BC19563  Carex bolanderi Elmer I. Applegate 1895-5-28 786 Siskiyou Sisson, Strawberry Valley. Comment
  JEPS63749  Carex bolanderi Willis L. Jepson 1894-8-4 54 a Siskiyou Cedar Spring Mt. Shasta, Cedar Spring Comment
  HSC76386  Carex concinnoides L. P. Janeway 1982-7-10 58 Siskiyou Near Old Greyback Rd., 1/2 mi. above the W Branch Guard Station 747 Comment
  SEINET7554959 Image available Carex concinnoides Barbara Wilson 1994-5-27 6920 Siskiyou Rogue River National Forest, low on the New London, between the first and second acute corners, near the trailhead, between Road 1050 (Elliott Creek Road) and the creek. Comment
  CAS-BOT-BC34943  Carex densa George Dexter Butler 1909-6-10 809 Siskiyou Along creek near Yreka. Comment
  HSC71096  Carex echinata subsp. echinata Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4513 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UC1265328  Carex echinata subsp. echinata Frederick W. Oettinger and R. F. Thorne 1969-8-7 1270 Siskiyou margin of English Lake Salmon Mts., Marble Mountain Wilderness Area, English Lake 1767 Comment
  CHSC107148  Carex feta R. E. Brainerd 2009-7-22 1555 Siskiyou Red Hill Meadow, east of Mt. Shasta; 4 air miles east of McCloud. UTM Zone 10 478466E 4568630N. 1036 Comment
  CHSC106473  Carex fracta Peter F. Zika 2009-8-16 24603 Siskiyou Cascade Range Highlands (CaRH). Near top of Road A10 (Everett Memorial Highway), S slope of Mt. Shasta. 2370 Comment
  HSC48100  Carex fracta D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19537 Siskiyou Along Hwy. 96 about 8 mi. W of junction with I-5 Comment
  JEPS87798  Carex gigas Vernon H. Oswald and Lowell Ahart 1994-8-1 6422 Siskiyou on the upstream side of Forest Rd. 26 ca. 0.5 mi (air) ne Gumboot Lake (w of Mt. Shasta (city)); Gumboot Creek 1783 Comment
  SEINET10367314  Carex hassei P. F. Zika, Barbara Wilson 2011-7-31 25675 Siskiyou Klamath Range, FS Rd 42N03, 1.6 road miles from junction with Gazelle-Callahan Rd. 1.5 air miles NE Mountain House, 3.5 air miles NW of Crater Lake, Scott Mts. 1700 Comment
  JEPS25600  Carex hoodii Rimo Bacigalupi 1959-7-2 7233 Siskiyou near n base of Caribou Mtn. (just s of low divide separating Coffee Creek drainage from that of the Salmon River, headwaters of the South Fork of Salmon River, nr. Trinity Co. line); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  HSC39315  Carex integra J. O. Sawyer 1969-7-18 1403 Siskiyou Above S Russian Creek 1905 Comment
  RSA783704  Carex integra Barbara L. Wilson, Richard E. Brainerd 2010-8-8 16263 Siskiyou Gumboot Lake. 1875 Comment
  HSC103665  Carex integra Thomas W. Nelson, Jane Nelson 1984-7-28 7700 Siskiyou Along west side of Gumboot Lake 1860 Comment
  CAS-BOT-BC278771  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
  UC1584279  Carex lenticularis J. Kierstead 1990-5-8 90 -59 Siskiyou Lower Falls of the McCloud River McCloud R.D. 1828 Comment
  JEPS84071  Carex lenticularis var. impressa L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6375 Siskiyou ca. 1.5 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  SEINET7564603 Image available Carex lenticularis var. impressa Ray Tallent 1987-8-12 897 b Siskiyou Klmath National Forest. 1939 Comment
  HSC60901  Carex lenticularis var. impressa Al Hobart Siskiyou Black Butte Comment
  CHSC106525  Carex luzulina Peter F. Zika 2009-6-18 24534 Siskiyou Klamath Range (KR). Meadow near Pacific Crest Trail, Route 3, Scott Mountain Summit. 1640 Comment
  CHSC40171  Carex luzulina Lawrence Janeway 1982-7-2 34 Siskiyou At Poker Flat, at end of rd 18N33. Upper part of meadow. 1524 Comment
  JEPS121601  Carex luzulina Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Flat meadow on ultramafic soil. South China Mountain quadrangle. TF1_B Comment
  SEINET10817582  Carex luzulina A. Arthur Heller 1922-7-3 Heller 13674 Siskiyou Wet soil along Wagon creek, Mt. Eddy, in the Canadian zone, 2195 Comment
  CAS-BOT-BC31633  Carex luzulina var. ablata Peter H. Raven 1956-9-4 10381 Siskiyou Ridge S of Mt. Eddy. 2286 Comment
  UC642547  Carex luzulina var. ablata W. Bridge Cooke 1939-7-7 13619 Siskiyou Sedge Swamp at Wagon Camp Mount Shasta 1737 Comment
  SEINET7566776 Image available Carex mariposana Frederick W. Oettinger 1968-9-6 735 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountains Wilderness Area. On trail NE of Tom's Lake. 2164 Comment
  UC593522  Carex multicaulis E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1985 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1180 Comment
  UCD140652  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch. Comment
  JEPS84067  Carex multicaulis L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6484 Siskiyou e Cook and Green Pass (w ridge of Cooper Butte); Cooper Butte 1554 Comment
  SEINET10713500  Carex multicaulis William B. Cooke 1941-8-28 Cooke 16237 Siskiyou Scattered through the dry Shasta Fir woods in the vicinity of Squaw Valley Creek, Mt. Shasta. 2286 Comment
  CAS-BOT-BC23423  Carex multicostata John Thomas Howell 1937-7-24 13429 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC23425  Carex multicostata John Thomas Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC40194  Carex multicostata L. P. Janeway 1983-8-6 497 Siskiyou At Poker Flat. Dry w part of lower portion of meadow across the road. 1524 Comment
  CAS-BOT-BC23426  Carex multicostata John Thomas Howell 1939-8-9 15231 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  HSC91358  Carex multicostata Jennifer Whipple 1978-10-6 2407 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  HSC92751  Carex multicostata Jennifer Whipple 1976-7-2 1273 Siskiyou Ridge W of Dobkins Lake 2317 Comment
  RSA211375  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  SEINET7568516 Image available Carex multicostata Frederick W. Oettinger 1968-8-8 450 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 2164 Comment
  CHSC38992  Carex nebrascensis J. D. Jokerst 1983-7-5 1828 Siskiyou N end of Atkin's Meadow. Ca 15 air miles east of McCloud. Comment
  UC642550  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou near Municipal Spring (above Howard); Mount Shasta Comment
  CAS-BOT-BC119901  Carex nebrascensis W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar, near NcCloud. Comment
  CAS-BOT-BC119903  Carex nebrascensis James D. Jokerst 1983-7-5 1828 Siskiyou N edge of Atkin's Meadow near its ecotone with lodgepole pine forest. Comment
  POM80405  Carex nudata E. B. Copeland 1903-7-4 3541 Siskiyou Klamathon Comment
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Jan 23 2011
  CAS-BOT-BC31055  Carex pachycarpa K. T. Stillman 1976-7-14 231 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area. 1950 Comment
  HSC79087  Carex pachystachya L. P. Janeway 1983-8-26 618 Siskiyou At Poker Flat, dry W side of meadow 1524 Comment
  CAS-BOT-BC119130  Carex phaeocephala William J. Ferlatte 1967-8-21 1077 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake 2286 Comment
  CHSC106316  Carex praegracilis Lowell Ahart; John Dittes 2010-7-30 16951 Siskiyou South side of a water ditch, at the edgee of the dry upland, about 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  RSA577427  Carex praegracilis L. C. Wheeler 1935-6-30 3632 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  RSA91047  Carex preslii J. T. Howell 1937-7-24 13431 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  HSC96604  Carex scopulorum var. bracteosa Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 485 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  SEINET7575204 Image available Carex serratodens David Castaner 1989-6-19 10241 Siskiyou Along Highway 3, between Callahan and Gazelle. Comment
  CAS-BOT-BC117248  Carex spectabilis John Thomas Howell 1937-7-24 13432 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117251  Carex spectabilis John Thomas Howell 1937-7-25 13480 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117253  Carex spectabilis John Thomas Howell 1937-7-25 13481 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CHSC96432  Carex spectabilis Gordon Leppig 1998-8-14 1027 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10, 503813E, 4572466N. 2200 Comment
  HSC39291  Carex spectabilis J. O. Sawyer 1969-8-4 1828 Siskiyou Above Sugar Lake 2134 Comment
  UC835741  Carex spectabilis John Thomas Howell 1939-8-8 15151 Siskiyou Black Mt. Marble Mts. Comment
  HSC30556  Carex spectabilis Frederick W. Oettinger 1968-9-5 709 Siskiyou Marble Mtn. Wilderness Area, S end of Diamond Lake 2073 Comment
  RSA238922  Carex spectabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1254 Siskiyou The Flumes, Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA238959  Carex spectabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1178 Siskiyou Wet meadow between Tobacco Lake and Mud Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET7575752 Image available Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, Bear Meadow above Tom Taylor Cabin. 2164 Comment
  JEPS63652  Carex stipata var. stipata W. L. Jepson July 1894 56 a Siskiyou Sisson Comment
  CHSC110085  Carex straminiformis Robert F. Thorne; Fred Oettinger 1969-8-10 38983 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta; at base of boulders on slopes above ski-lodge. 2407 Comment
  SEINET4152285  Carex straminiformis Unknown 1939-8-6 15108 Siskiyou Elk Mountain, Marble Mountains Comment
  UCD140917  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiement Station, east side of Mt. Shasta. Comment
  SEINET515839  Carex whitneyi Vernon Oswald 1997-7-28 8799 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  UC1951314  Cassiope mertensiana Robert F. Thorne and Fred Oettinger 1969-8-4 63371 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. SE side of diamond Lake. Comment
  UC1409402  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou in let stream to Little Hancock Lake (boreal meadow) 2042 Comment
  SEINET10736305 Image available Cassiope mertensiana subsp. ciliolata Edwin B. Copel 1903-8-18 Copeland 3898 Siskiyou Mt. Eddy. 2591 Comment
  CAS-BOT-BC241136  Castilleja applegatei subsp. pinetorum L. E. Smith 1913-6-29 436 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC241139  Castilleja applegatei subsp. pinetorum Alice Eastwood 1921-7-29 10962 Siskiyou Little Mt. Hoffman Comment
  CAS-BOT-BC241145  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-14 8265 Siskiyou Lava Beds Nat. Mon. near Indian Well Comment
  HSC36938  Castilleja applegatei subsp. pinetorum J. P. Smith 1974-5-27 7610 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA211407  Castilleja applegatei subsp. pinetorum William J. Ferlatte 1967-7-26 751 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  SBBG6729  Castilleja applegatei subsp. pinetorum H. and M. Dearing 1938-6-29 2196 Siskiyou side of Mt Shasta 1219 Comment
  UC1238992  Castilleja applegatei subsp. pinetorum Freed W. Hoffman 1948-7-8 2587 Siskiyou 7.5 mi n West Branch Camp (Waldo-Happy Camp Road); North Coast Ranges 1402 Comment
  UC61065  Castilleja applegatei subsp. pinetorum W. A. Setchell, C. C. Dobie Jul 1902 Siskiyou Sisson; Mount Shasta Comment
  SEINET3159135  Castilleja arachnoidea G. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek 1829 Comment
  HSC62627  Castilleja arachnoidea Al Hobart Siskiyou Youngs Valley 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
  RSA142601  Castilleja arachnoidea subsp. shastensis P. A. Munz 1960-8-22 24186 Siskiyou Panther Meadows, Mt. Shasta. 2530 Comment
  JEPS14712  Castilleja lacera Rimo Bacigalupi with Lincoln Constance and M. Hiroe 1956-6-9 5694 Siskiyou 1.5 mi n Weed (along U.S. Highway 99); Shasta Valley Comment
  JEPS66322  Castilleja lacera L. R. Heckard with T. I. Chuang 1971-6-16 2586 Siskiyou ca 2 mi n Weed (along U.S. Highway 97) Comment
  CAS-BOT-BC254015  Castilleja miniata Wm. Bridge Cooke 1938-7-28 11378 Siskiyou Mt. Shasta 2438 Comment
  HSC19255  Castilleja miniata J. O. Sawyer 1969-8-1 1651 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  POM15464  Castilleja miniata Copeland 1903-8-17 3809 Siskiyou Foot of Mt. Eddy. 1159 Comment
  CAS-BOT-BC253625  Castilleja miniata Wm. Bridge Cooke 1939-7-7 13590 Siskiyou Bear Springs. Flora of Mount Shasta 1524 Comment
  CAS-BOT-BC254104  Castilleja miniata Wm. Bridge Cooke 1938-7-15 11225 Siskiyou Mt. Shasta; chaparral 1676 Comment
  LA86534  Castilleja miniata J. M. Tucker; 1963-8-17 1963 Siskiyou Marble Mountain Wilderness Area, Red Rock Creek, in vicinity of cabin. Lower Red Rock Valley, Marble Mountain Area 1493 Comment
  SBBG25941  Castilleja miniata subsp. miniata D. Myrick 1966-8-12 1544 Siskiyou Big Flat, Mountain Meadow Ranch; Trinity Alps 1676 Comment
  UC725776  Castilleja pilosa A. A. Heller 1938-7-12 15261 Siskiyou e base Deer Mountain 1432 Comment
  NY68148  Castilleja pratensis A. A. Heller 1905-6-20 8079 Siskiyou Comment
  CHSC35560  Castilleja pruinosa James Payne Smith Jr. 1976-5-4 8668 Siskiyou State Route 263, near its junction with State Route 96. 670 Comment
  JEPS23708  Castilleja pruinosa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7211 Siskiyou 4.5 mi ne Weed 1066 Comment
  JEPS83825  Castilleja pruinosa Wayne Roderick Jul 1976 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. Comment
  SEINET3159254  Castilleja pruinosa G. D. Butler 1910-4-19 1198 Siskiyou near Yreka 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
  JEPS42269  Ceanothus cordulatus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
  JEPS42428  Ceanothus integerrimus W. L. Jepson 1914-8-14 6170 Siskiyou Dunsmuir 670 Comment
  UC61168  Ceanothus integerrimus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Crossing Sisson Comment
  CAS-BOT-BC50687  Ceanothus integerrimus var. macrothyrsus L. E. Detling 1950-6-8 6586 Siskiyou Dunsmuir 792 Comment
  CAS-BOT-BC52116  Ceanothus prostratus Mrs. Van Fassen 1926-3-27 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC52121  Ceanothus prostratus L. E. Smith 1913-4-10 67 Siskiyou Weed Comment
  CHSC1517  Ceanothus prostratus V. Holt 1942-8-6 Siskiyou Caribou Ridge, Trinity Alps. 2133 Comment
  HSC39317  Ceanothus prostratus J. P. Smith 1974-5-26 7381 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  UC164316  Ceanothus prostratus Geo. D. Butler 1910-6-4 1501 Siskiyou Quartz Valley Comment
  RSA63225  Ceanothus sanguineus Roman Gankin, W. R. Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS orad 39N04 off Black bear road between Sawyers Bar and Cecilville. 1707 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
  JEPS42168  Ceanothus velutinus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
  JEPS674  Ceanothus velutinus Willis L. Jepson Jul 24 1894-Aug 10 1894 14865 Siskiyou Sisson Upper Sacramento region Comment
  OBI6050  Ceanothus velutinus Carl B. Wolf 1931-9-3 2395 Siskiyou 1 mi W of summit of grade on road from Mt. Shasta City to McCloud 1219 Comment
  RSA398979  Ceanothus velutinus Bonnie C. Templeton 1964-6-9 10064 Siskiyou Slope of Mt. Shasta Comment
  UC642534  Ceanothus velutinus W. Bridge Cooke 1939-7-14 13674 Siskiyou along the Sisson Southern Trail; Mount Shasta, Sisson Southern Trail Comment
  SEINET5339428  Ceanothus velutinus G. Butler 1910-6-5 1480 Siskiyou Shackleford Creek Comment
  HSC92158  Ceanothus velutinus var. velutinus Jennifer Whipple 1976-7-8 1369 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  CDA7018  Centaurea calcitrapa C. S. Giebner 1960-7-25 Siskiyou Edson Foulke Ranch, ca. 1 mile northeast of Gazelle. 0 Comment
  HSC40224  Centaurea cyanus J. P. Smith 1976-5-22 8791 Siskiyou Near County Dump in Scott Valley between Callahan and Etna 1037 Comment
  CDA37883  Centaurea diffusa CDFA Staff 1991-1 s.n. Siskiyou Fort Jones. 0 Comment
  SEINET10741260 Image available Centaurium namophilum var. nevadense Edward L. Greene 1876-8-12 Greene 895 Siskiyou Collected near Yreka. Comment
  UC725957  Centromadia fitchii A. A. Heller 1925-7-25 13907 Siskiyou 7 mi s Yreka Comment
  SBBG15939  Centromadia fitchii D. Myrick 1961-6-21 295 Siskiyou hwy 99 just S of Yreka 914 Comment
  HSC66262  Cephalanthera austiniae M. S. Taylor 1980-7-8 3087 Siskiyou N side of Castle Lake Rd (39N24)., 0.9 mi. W of its jct. with FS 40N26, at SE side of Lake Siskiyou 1037 Comment
  SJSU6517  Cephalanthera austiniae R. W. Trivelpiece 1972-7-11 144 Siskiyou near Elk Creek Divide NW of Boulder Peak c. 10 mi W of Happy Camp 1402 Comment
  RSA184742  Cerastium arvense Gilbert Muth 1966-7-25 450 Siskiyou Marble Mountain lookout, Marble Mountains. 2098 Comment
  RSA211411  Cerastium arvense William J. Ferlatte 1966-6-22 96 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter s; Trinity Alps. 1524 Comment
  UC465650  Cerastium arvense Annie M. Alexander and L. Kellogg 1911-7-16 256 Siskiyou S. Fork Salmon R. 1524 Comment
  CAS-BOT-BC384981  Cerastium dichotomum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53375 Siskiyou 2 miles south of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC384983  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  CAS-BOT-BC400179  Ceratophyllum demersum Edward Lee 1934-8-12 1240 Siskiyou South side of the Klamath River near the mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  HSC68509  Cercocarpus ledifolius Maralyn A. Renner 1980-6-9 840 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC18559  Cercocarpus montanus var. glaber C. B. Wolf 1927-8-26 1032 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  POM351688  Chaenactis carphoclinia M. B. Dunkle 1945-1 9355 Siskiyou Klamath National Forest, Marble Mountains. 1982 Comment
  RSA120871  Chaenactis carphoclinia H. K. Wagnon 1957-8-11 1698 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  HSC29199  Chaenactis douglasii var. douglasii Frederick W. Oettinger 1968-8-16 529 Siskiyou Marble Mtn. Wilderness Area: Near summit of 'Little Medicine Mtn.' (N of Hancock Lake) 2104 Comment
  UC456029  Chaenactis douglasii var. douglasii I. J. Condit 1911-7-1 Siskiyou Sisson Sisson (roadside) Comment
  CAS-BOT-BC106041  Chaenactis suffrutescens L. E. Smith 1913-6-12 s.n. Siskiyou Road from Sisson to Castle Lake Comment
  CAS-BOT-BC106043  Chaenactis suffrutescens A. A. Heller 1922-6-22 13671 Siskiyou Shasta Valley between Gazelle and Edgewood Comment
  RSA178679  Chaenactis suffrutescens A. A. Heller 1928-6-9 14608 Siskiyou Near Castle Lake, a short distance from Castle Crags in the yellow pine belt. Near the source of the Sacramento River. Comment
  HSC68435  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-5 1530 Siskiyou Doe Flat 1220 Comment
  RSA275354  Chamaecyparis lawsoniana J. P. Smith, Steve Selva 1970-7-15 4343 Siskiyou Klamath National Forest; road to Happy Camp. 732 Comment
  RSA624977  Chamaecyparis nootkatensis L. C. Wheeler 1963-8-25 8275 Siskiyou Preston Peak: Summit ridge. 2133 Comment
  CHSC66549  Chamaesaracha nana Vernon H. Oswald 1996-7-12 8002 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city 0.4 mi E of milepost 10. On an open slope below the highway. 2072 Comment
  RSA572329  Chamaesyce serpillifolia W. Bridge Cooke 1940-7-5 15220 Siskiyou Along the Wagon Camp road in dry places near Howard, Mount Shasta. 1220 Comment
  JEPS43908  Chamerion angustifolium subsp. circumvagum Geo. D. Butler 1908-8-2 158 Siskiyou Bottom's Camp Shackelford Creek 1219 Comment
  HSC27081  Cheilanthes gracillima J. P. Smith, J. O. Sawyer 1972-9-13 5781 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  UCD21470  Cheilanthes gracillima Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1210 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  UC851002  Chenopodium album A. A. Heller 1915-8-24 12212 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  HSC4387  Chenopodium leptophyllum D. M. Thomson 1965-8-6 167 Siskiyou Lava Beds National Monument, S side of Cauldwell Butte Comment
  JEPS59762  Chenopodium vulvaria Louis C. Wheeler 1934-10-6 3307 Siskiyou Yreka 792 Comment
  HSC61509  Chimaphila menziesii Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC92970  Chimaphila menziesii Jennifer Whipple 1977-8-6 2246 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  CAS-BOT-BC452285  Chimaphila umbellata C. L. Hitchcock; J. S. Martin 1939-7-8 5300 Siskiyou Ca. 15 miles N of Happy Camp on Happy Camp-Takilma Hwy 914 Comment
  RSA245292  Chimaphila umbellata subsp. occidentalis Carl W. Mize 1972-6-22 87 Siskiyou Forks of Salmon quad. 1113 Comment
  RSA96940  Chimaphila umbellata subsp. occidentalis P. C. Everett, E. K. Balls, George B. Everett 1954-10-11 20266 Siskiyou Castle Lake, Foresst service camp, s.w. of town of Mt. Shasta. 1250 Comment
  UC1183411  Chorispora tenella David E. Bayer 1960-5-27 Siskiyou 1 mi s of Macdoel (and running around Meiss Lake, Butte Valley, 1/4 mi s of road, in (west) ca. 1 mi on road originating at U.S. Hwy 97); Butte Valley 1280 Comment
  CAS-BOT-BC36385  Chrysolepis chrysophylla Doris K. Kildale 1929-7-20 8660 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  CAS-BOT-BC36386  Chrysolepis chrysophylla Wm. Bridge Cooke 1938-9-2 11588 Siskiyou Sisson Southern Trail 1371 Comment
  UC705920  Chrysolepis chrysophylla var. chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-8 2222 Siskiyou 11 mi above Happy Camp (hillside along Indian Creek); Indian Creek Comment
  HSC29652  Chrysolepis sempervirens Frederick W. Oettinger 1968-8-22 589 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; NE face of English Peak 2226 Comment
  POM308827  Chrysolepis sempervirens Roxana S. Ferris, Laura Lorraine 1941-8-11 10508 Siskiyou About 7 miles from Medicine Lake on road to Modoc Lava Beds National Monument; Shasta National Forest. Comment
  UC5454  Chrysolepis sempervirens W. H. Brewer 1862-9-16 1420 Siskiyou Mount Shasta 914 Comment
  RSA120851  Chrysolepis sempervirens H. K. Wagnon 1957-8-11 1690 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  RSA749202  Chrysothamnus nauseosus subsp. consimilis K. M. Meyer, A. Townesmith 2007-9-16 212 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-BC100853  Chrysothamnus viscidiflorus subsp. viscidiflorus Delzie Demaree 1959-7-26 41333 Siskiyou on large shelves above Tule Lake 1219 Comment
  UC60953  Cicuta douglasii Geo. B. Grant September 1902 5143 Siskiyou Mount Shasta, Sisson Mount Shasta; Pacific Coast, , Sisson 914 Comment
  HSC96305  Cinna latifolia Gordon Leppig 1998-8-14 1035 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC96870  Cinna latifolia Gordon Leppig 1998-8-13 998 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque W of Little Duck Lake 2200 Comment
  HSC182  Circaea alpina subsp. pacifica William J. Ferlatte 1966-8-3 284 Siskiyou Josephine Lake basin. 1677 Comment
  UC165434  Cirsium arvense Geo. D. Butler 1909-10-3 975 Siskiyou Comment
  CDA20747  Cirsium cymosum M. Wetherwax 2002-5-25 s.n. Siskiyou Near Gazelle, northwest of Weed. Comment
  POM33212  Cirsium cymosum Geo. D. Butler 1910-5-20 1368 Siskiyou Near Yreka. Comment
  UC2013018  Cirsium douglasii Barbara Ertter 1990-7-14 9345 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 air miles W of Mt. Shasta City. Comment
  CAS-BOT-BC279879  Cirsium douglasii var. breweri A. A. Heller 1915-8-26 12238 Siskiyou Mt. Eddy 1828 Comment
  JEPS16945  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou along streams near North Fork of the Sacramento River 2194 Comment
  SBBG65885  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Strawberry Valley near Mount Shasta, near Deetz, just N of Shasta City Comment
  CAS-BOT-BC279892  Cirsium douglasii var. breweri R. Ornduff; J. R. Swanson 1960-7-27 6271 Siskiyou About one mile north of Trinity County line on road from Scott Mountain to Trinity Center Comment
  CDA1275  Cirsium inamoenum T. C. Fuller 1979-10-3 20271 -B Siskiyou Goosenest Rd., 14 km northeast of Tennant. 0 Comment
  HSC34345  Cirsium remotifolium J. P. Smith, J. O. Sawyer 1973-8-14 7302 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  CAS-BOT-BC288774  Cirsium remotifolium C. G. Pringle 1882-8-28 s.n. Siskiyou Unspecified Comment
  RSA0070868  Cirsium remotifolium E. K. Balls 1949-7-10 13959 Siskiyou 3 miles from Sawyer's Bar on road to Cecilville. 793 Comment
  CDA1554  Cirsium remotifolium var. odontolepis J. R. Grisham 1960-7-14 s.n. Siskiyou U.S. rangeland, 15 mi. N/ Cecilville. Klamath National Forest 0 Comment
  CAS-BOT-BC286474  Cirsium scariosum A. A. Heller 1905-6-20 8077 Siskiyou Gazelle Comment
  HSC92686  Cirsium scariosum Jennifer Whipple 1976-7-24 1559 Siskiyou SW of Dobkins Lake along the drainage into the lake 2287 Comment
  RSA607265  Cirsium scariosum L. C. Wheeler 1935-6-30 3636 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC228965  Cistanthe umbellata Ira L. Wiggins 1955-7-27 13556 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 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
  POM46297  Clarkia rhomboidea Geo. D. Butler 1900-5-30 1436 Siskiyou Near Hawkinsville Comment
  JEPS43220  Claytonia lanceolata W. L. Jepson 1907-7-5 2836 Siskiyou Marble Mt. 2133 Comment
  CAS-BOT-BC439630  Claytonia parviflora subsp. parviflora John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53398 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  HSC64294  Claytonia perfoliata subsp. intermontana J. P. Smith 1973-5-5 6405 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CDA17137  Claytonia rubra G. F. Hrusa 2001-6-6 15851 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  HSC36925  Claytonia rubra subsp. rubra J. P. Smith 1974-5-26 7592 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC4456  Claytonia rubra subsp. rubra William J. Ferlatte 1966-6-22 107 Siskiyou 3 mi. S of Big Flat 1585 Comment
  CHSC1382  Claytonia saxosa A. Anderson 1962-3-14 Siskiyou Scott Valley. 914 Comment
  HSC4463  Claytonia sibirica William J. Ferlatte 1967-8-19 1037 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  UC165950  Clematis ligusticifolia Geo. D. Butler 1910-8-3 1810 Siskiyou Yreka Creek Comment
  UC637156  Clematis ligusticifolia Edward Lee 1934-8-10 1022 Siskiyou near Hamburg (between McKinney Creek and Parkerhouse Creek, s. bank of Klamath R.); Klamath R. 609 Comment
  UCD22744  Clematis ligusticifolia Allison R. Holzer 1980-7-20 28 Siskiyou Approximately 8 miles south of Etna along Hwy 3. 883 Comment
  UC165974  Cleome platycarpa Geo. D. Butler 1910-5-11 1335 Siskiyou Shasta Valley Comment
  HSC30589  Clintonia uniflora Frederick W. Oettinger 1968-8-23 619 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake 1768 Comment
  CAS-BOT-BC500963  Clintonia uniflora I. J. Condit 1911-7-1 s.n. Siskiyou Sisson Comment
  RSA184801  Clintonia uniflora Gilbert Muth 1966-7-17 401 Siskiyou Trail to lookout, Marble Mountains. 1806 Comment
  RSA237926  Clintonia uniflora Frederick W. Oettinger 1967-7-26 213 Siskiyou 300 yards up a tributary of upper English Lake on moist bank. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  POM43382  Collinsia grandiflora Geo. D. Butler 1226 Siskiyou Quartz Valley. Comment
  RSA412244  Collinsia torreyi Christopher Davidson 1975-6-5 2671 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  UC168969  Collinsia torreyi var. latifolia Harley P. Chandler Jun 1901 1620 Siskiyou near Marble Mountain (North Coast Ranges, Upper Cottei Valley (=Cuddihy Valley)); North Coast Ranges, Upper Cottei Valley 2133 Comment
  RSA120819  Collinsia torreyi var. latifolia G. D. Barbe 1955-7-17 206 Siskiyou 1 mile. S of Toomes Camp on the country road. West slope. 1890 Comment
  RSA237555  Collinsia torreyi var. latifolia Frederick W. Oettinger 1969-7-15 1028 Siskiyou South of Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  SBBG6891  Collinsia torreyi var. torreyi H. and M. Dearing 1939-7-1 3778 Siskiyou Etna-Salmon Divide 1828 Comment
  HSC45993  Collomia heterophylla J. P. Smith 1973-5-5 6458 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CHSC30234  Collomia larsenii M. S. Taylor; J. D. Prouty, E. Heinitz 1980-8-18 3264 Siskiyou W side of Little Mt. Hoffman, between road and lookout. 2225 Comment
  CAS-BOT-BC229523  Collomia larsenii Mary Ann Showers 1980-7-23 1917 Siskiyou At summit of Little Mount Hoffman, W facing slope Comment
  JEPS101160  Collomia tinctoria Dean W. Taylor 1996-6-18 15705 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  SBBG30599  Collomia tinctoria D. Myrick 1968-6-25 2023 a Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UC52433  Collomia tinctoria W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Cr. Sac. River, Sisson Comment
  HSC90215  Collomia tinctoria Michael P. Murray Jul 1991 3 Siskiyou Marble Mtn. Wilderness Area, E facing slope of Elk Valley 1890 Comment
  CAS-BOT-BC230670  Collomia tracyi Alice Eastwood; John Thomas Howell 1937-6-26 5041 Siskiyou Salmon Mountains above Taylor Creek Comment
  JEPS71073  Collomia tracyi B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  UC163921  Conyza canadensis Geo. D. Butler 1908-8-21 323 Siskiyou Etna Creek Comment
  CAS-BOT-BC286040  Conyza canadensis L. E. Smith 1915-8-1 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC133724  Corallorhiza A. M. Vollmer; L. Beane 1951-6-2 59 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  HSC91956  Corallorhiza maculata Jennifer Whipple 1977-8-6 2225 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  UC164418  Corallorhiza maculata Geo. D. Butler 1910-6-5 1479 Siskiyou Shackelford Creek Comment
  UCSB24759  Corallorhiza maculata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass; north of Seiad Valley 1341 Comment
  RSA184810  Corallorhiza maculata Gilbert Muth 1966-7-14 397 Siskiyou Marble Valley, Marble Mountains 1793 Comment
  RSA237633  Corallorhiza mertensiana Frederick W. Oettinger 1969-7-14 1022 Siskiyou Trail from Charmaine Lake to English Lake; Salmon Mounatins, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area 1921 Comment
  CHSC105587  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-3 16187 Siskiyou South of Black Butte, east of the dump, on Shasta-Trinity National Forest property; UTM zone 10T, 555437 east, 4577898 North. Comment
  CAS-BOT-BC278773  Cordylanthus tenuis subsp. tenuis Peter F. Zika; Barbara Wilson 2011-7-31 25697 Siskiyou Road 26, 10.2 road miles from junction with FS Road 40N405, 1 air mile W of N end of Siskiyou Lake, Klamath Range (KR) 1060 Comment
  UCD123169  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16233 Siskiyou Ney Springs Road east of Lake Siskiyou; population intermittent along road starting 0.6 miles east of road 20M020 and extending at least to 1.2 miles. 932 Comment
  JEPS3576  Cordylanthus tenuis subsp. viscidus Herbert L. Mason 1950-7-16 14064 Siskiyou 5 mi s of summit of road from Happy Camp CA to Waldo, OR Comment
  RSA516621  Cordylanthus tenuis subsp. viscidus R. C. Bacigalupi, G. Thomas Robbins, C. L. Custer 1954-8-12 4792 Siskiyou Along highway following the Klamath River, 0.5 mile west of Hamburg. 457 Comment
  POM78077  Cornus glabrata Geo. D. Butler 1909-9-26 974 Siskiyou Along creek near Yreka. Comment
  CAS-BOT-BC212057  Cornus nuttallii L. B. Kildale 1930-6-1 9824 Siskiyou Etna Mills Comment
  CAS-BOT-BC212058  Cornus nuttallii Doris K. Kildale 1929-8-24 9064 Siskiyou Trail to Preston Peak between Young's Valley and Rattlesnake Meadow 1524 Comment
  HSC65097  Cornus nuttallii J. P. Smith 1973-5-5 6466 Siskiyou Along Cook and Green Pass Rd. Comment
  POM301764  Cornus nuttallii Marion Ownbey, D. H. Brown, Findley Ownbey 1941-6-22 2426 Siskiyou Road between Craggy Moutain and Deadwood Lookout, northwest of Yreka. Comment
  POM78075  Cornus nuttallii Geo. D. Butler 1908-8-21 85 Siskiyou Edson Creek Comment
  UC1585391  Cornus nuttallii R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 Siskiyou n. of Seiad Valley (at Cook & Green Pass) 1425 Comment
  CAS-BOT-BC210400  Cornus sericea W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring - Sisson Comment
  HSC19269  Cornus sericea subsp. sericea J. O. Sawyer 1968-7-10 488 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  JEPS78178  Corylus californica Gary W. Zamzow 1972-7-20 93 Siskiyou 7 mi e of McCloud (on Highway 89, Fowlers Campground, on e-facing bank of McCloud River); McCloud River, Fowlers Campground, Highway 89 1066 Comment
  UC61654  Corylus californica Geo. B. Grant Sep 1902 5240 Siskiyou Mount Shasta 609 Comment
  CHSC3228  Crataegus suksdorfii Virginia Hagaman 1966-5-14 182 Siskiyou 2 miles west of bridge before reaching old Oregon State road. Comment
  CAS-BOT-BC290476  Crepis acuminata John Thomas Howell 1937-7-22 13331 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC43042  Crepis acuminata J. O. Sawyer, Ken Stillman 1976-7-2 2815 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC290479  Crepis acuminata Elmer I. Applegate 1932-6-13 7241 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds National Monument Comment
  RSA238881  Crepis acuminata Frederick W. Oettinger 1967-7-26 197 Siskiyou Northeastern end of Crapo Peak ridge. Salmon Mountains: High lake basins in the vicinity of English Peak, Marble Mountains wilderness area; ca 2195 Comment
  UC346588  Crepis bakeri J. L. Collins 1927-6-9 Siskiyou 5 mi n Hornbrook; Siskiyou Mts. Comment
  UC581312  Crepis monticola G. L. Stebbins Jr. and J. A. Jenkins 1937-6-19 2442 Siskiyou about 1 mi n Scott River (2 mi below Quartz Valley); Wicks Ranch 900 Comment
  UC313845  Crepis occidentalis J. L. Collins 1927-6-9 Siskiyou Yreka Comment
  UC53891  Crepis occidentalis H. M. Hall and E. B. Babcock June, 1903 4116 Siskiyou near Sheep Rock; Mt. Shasta 1524 Comment
  UC91845  Crepis occidentalis T. S. Brandegee Jul 1887 Siskiyou Sisson's Comment
  CAS-BOT-BC290862  Crepis pleurocarpa P. M. Peterson; J. M. Saarela; C. J. Sears 2006-8-9 19779 Siskiyou Pacific Crest Trail, above Taylor Lake, Russian Wilderness 2145 Comment
  CAS-BOT-BC376472  Crepis pleurocarpa Gilbert J. Muth 1969-8-6 1256 Siskiyou Boulder Peak Ridge Comment
  JEPS36456  Crepis pleurocarpa Geo. D. Butler 1908-8-3 306 Siskiyou Shackelford Creek Log Lake 1524 Comment
  UC581260  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2436 Siskiyou on creek 1 mi below Stewart Springs; Park's Creek 1120 Comment
  HSC43838  Crocidium multicaule Maralyn O'Meara 1974-5-27 494 Siskiyou 7.4 mi. NE of Ft. Jones on Hwy. 3 1159 Comment
  UC1409420  Cryptantha affinis Frederick W. Oettinger 1969-7-11 991 Siskiyou Mt. Chaparral, near the spring along English Lake-Diamond Lake Trail, vicinity of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1897 Comment
  UC857037  Cryptantha affinis Lewis S. Rose 1937-7-25 37589 Siskiyou s slope Mt. Shasta 1767 Comment
  HSC91385  Cryptantha subretusa Jennifer Whipple 1977-8-4 2143 Siskiyou S Face of Mt. Eddy draining into the N Fork of the Sacramento River 2500 Comment
  HSC91392  Cryptantha subretusa Jennifer Whipple 1976-6-25 1133 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2470 Comment
  RSA113740  Cryptantha torreyana A. H. Murphy 1956-8-14 56 -D Siskiyou Little Mill Creek Meadows, Klamath National Forest. Hopland Field Station. 2012 Comment
  CHSC30246  Cryptogramma acrostichoides M. S. Taylor 1980-7-8 3096 Siskiyou S end of Little Castle Lake. 1767 Comment
  RSA142617  Cryptogramma cascadensis P. A. Munz 1960-8-22 24192 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  CAS-BOT-BC70531  Cryptogramma cascadensis Geo. B. Grant 1902-9-1 5098 Siskiyou Horse Camp, Mt. Shasta 2438 Comment
  CAS-BOT-BC80539  Cupressus bakeri Oliver V. Matthews 1939-7-22 41 Siskiyou unspecified 1219 Comment
  CAS-BOT-BC80543  Cupressus bakeri Oliver V. Matthews 1939-7-3 19 Siskiyou Sullivan Mine Grove; Cook and Green Region 1219 Comment
  CAS-BOT-BC80545  Cupressus bakeri Oliver V. Matthews 1939-7-19 39 Siskiyou North-easterly Grove, [Goose Nest] Goosenest Region 1828 Comment
  NY16590  Cupressus bakeri G. D. Butler 1910-7-4 1637 Siskiyou [G... handwriting not clear] foothills 1219.2 Comment
  NY16600  Cupressus bakeri J. P. Carson 1978-1-12 273 Siskiyou Lassen National Forest, Hat Creek Ranger District. Timbered Crater, 16 miles north of Fall River Mills Comment
  RSA22761  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou Northeast Goose Nest. East of Yreka 1524 Comment
  UCD103549  Cuscuta campestris Rob Wilson 2010-9-8 s.n. Siskiyou Near Tulelake. Comment
  UC22935  Cycladenia humilis var. humilis Milo S. Baker 1893-8-5 Siskiyou Medicine Lake 1828 Comment
  JEPS77490  Cymopterus terebinthinus var. californicus Susan Horner 1978-7-5 MP- 4 Siskiyou between Military Pass Rd. and Bolam Rd. within 3 to 4 mi. of Hwy. 97 Comment
  HSC28081  Cymopterus terebinthinus var. californicus J. D. Ackerman, A. Montalvo 1973-7-27 109 Siskiyou Along Sacramento River near Mt. Shasta City Comment
  CAS-BOT-BC114108  Cyperus squarrosus Cyrus Guernsey Pringle 1881-8-16 s.n. Siskiyou Flora of the Pacific Slope. Comment
  RSA722401  Cypripedium californicum W. Lane 1938-07 s.n. Siskiyou Siskiyou Mountains 1220 Comment
  JEPS46152  Cypripedium fasciculatum Duncan Dunning 1923-6-15 Siskiyou trail from Sawyers Ridge to Blue Ridge Comment
  CAS-BOT-BC136503  Cypripedium fasciculatum Lester Rowntree 1937-7-31 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  UC4445  Cypripedium montanum C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC70708  Cystopteris fragilis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53437 Siskiyou along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  HSC36425  Cystopteris fragilis J. O. Sawyer 1969-8-4 1876 Siskiyou S of S Sugar Lake 2104 Comment
  UC1478233  Cystopteris fragilis G. D. Barbe, J. T. Howell, and T. C. Fuller 1980-4-29 2637 Siskiyou 3.2 km e of Callahan (ca. 150 m e of Highway 3 bridge, beside Callahan/Gazelle Rd) 976 Comment
  UC1483412  Cystopteris fragilis Maralyn A. Renner 1980-7-23 1841 Siskiyou near ridge about 1 mi e of Cook and Green Pass; Klamath Nat'l Forest, Seiad Valley Quadrangle, Pacific Crest 1752 Comment
  UC796587  Cystopteris fragilis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11765 Siskiyou ca. 6 mi from Etna (on forks of Salmon Rd.) 1676 Comment
  UCD136360  Cystopteris fragilis P. Quentin Tomich 1954-6-29 435 Siskiyou Silver Cave, Lava Beds National Monument. 1402 Comment
  CAS-BOT-BC192250  Danthonia californica Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  HSC34136  Danthonia californica J. O. Sawyer 1969-8-5 1780 Siskiyou W of Little Duck Lake 2073 Comment
  UC63716  Darlingtonia californica H. M. Hall and E. B. Babcock June, 1903 4042 Siskiyou near Sisson (18th Crossing, Sacramento River); Mount Shasta 1036 Comment
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Nov 6 2019
  CAS-BOT-BC420670  Darmera peltata Carl B. Wolf 1927-8-27 1140 Siskiyou On the Klamath River at the mouth of the Crawford Creek Comment
  JEPS86129  Delphinium Wayne Roderick 1958-4 Siskiyou w Etna; Salmon Mt. Summit 1828 Comment
  UC563969  Delphinium andersonii Elmer I. Applegate 1935-6-8 9453 Siskiyou w slope Sconchin Butte; Lava Beds National Monument Comment
  CAS-BOT-BC8756  Delphinium glaucum John Thomas Howell 1937-7-22 13292 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS123410  Delphinium glaucum Julie Kierstead Nelson with Robin Fallscheer 2015-8-13 2015 -133 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  UC1225882  Delphinium glaucum Helen K. Sharsmith Aug 27 1960-Aug 29 1960 4839 Siskiyou along streamlet draining into lower Mill Creek Lake (upper Mill Creek basin); Scott Mountains, Shasta National Forest, Salmon-Trinity Alps 2103 Comment
  CAS-BOT-BC9885  Delphinium nudicaule J. H. Thomas 1954-5-14 4172 Siskiyou Salmon Mountains, Klamath N.F. Near South Fork of Salmon River, 5 to 9 mi. SE of Cecilville. 1219 Comment
  POM216197  Delphinium nudicaule Louis C. Wheeler 1935-5-26 3532 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  UC467761  Delphinium nudicaule Lewis C. Rosenbaum 1916-6-6 Siskiyou Shasta Springs Comment
  UC854164  Delphinium nudicaule Louis C. Wheeler 1935-5-26 3532 Siskiyou Yreka Creek Siskiyou Mts. 914 Comment
  HSC41678  Delphinium nuttallianum Jennifer Whipple 1976-6-30 1210 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  HSC77045  Delphinium nuttallianum K. T. Stillman 1976-6-25 28 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  RSA151975  Delphinium nuttallianum R. C. Bacigalupi 1952-6-17 3739 Siskiyou Trinity - Siskiyou County line. 500 ft above summit of Scott Mt. road, on county boundary. 1829 Comment
  RSA68853  Delphinium nuttallianum A. E. Culbertson 1943-6-26 103 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  HSC26549  Deschampsia cespitosa J. P. Smith, Steve Selva 1970-7-18 4482 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC37565  Deschampsia cespitosa A. Montalvo, J. D. Ackerman 1975-7-19 590 Siskiyou 3 mi. E of McCloud, off Hwy. 89 on FS Rd. 39N13. 1067 Comment
  JEPS117870  Deschampsia cespitosa subsp. cespitosa Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -023 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake, headwaters of Middle Fork of upper Sacramento River 2118 Comment
  CHSC88406  Deschampsia danthonioides Jenny Marr 1993-7-1 164 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD62396  Deschampsia danthonioides A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3380 Siskiyou 2 miles south of Doris, on Hwy. 97. Comment
  CHSC61565  Deschampsia elongata L. P. Janeway 1983-9-11 662 Siskiyou Siskiyou Mountains; at Poker Flat, a meadow. Along dirt road in southwest part of meadow. 1524 Comment
  UC1265420  Deschampsia elongata Frederick W. Oettinger and R. W. Thorne 1969-8-5 1190 Siskiyou n.w. side English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1950 Comment
  UC166617  Descurainia incana Geo. D. Butler 1908-8-4 Siskiyou Head of Shackleford Creek Comment
  CHSC93525  Descurainia sophia Lowell Ahart; John Dittes 2005-6-9 12054 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC43518  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou Near Sisson. 1074 Comment
  CAS-BOT-BC43520  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  UCD114782  Descurainia sophia Paul G. Emerson 1954-5-1 s.n. Siskiyou Alta Vista Ranch, near Montague. Comment
  HSC48296  Dicentra formosa P. Stekel, K. Stillman May 1977 239 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  UC61080  Dicentra formosa W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou The Bend, McCloud River; Mount Shasta, McCloud River Comment
  RSA0028774  Dicentra formosa subsp. formosa J. P. Smith 1973-5-5 6480 Siskiyou Along Cook and Green Pass road. Comment
  HSC91288  Dicentra pauciflora Jennifer Whipple 1976-6-17 1016 Siskiyou N face of Mt. Eddy 2226 Comment
  RSA237876  Dichelostemma ida-maia Frederick W. Oettinger 1969-8-3 1145 Siskiyou Off the trail and uphill from the stock gate on the English Lake - Abbotts Upper cabin trail. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC22859  Dichelostemma multiflorum J. O. Sawyer 1969-6-12 910 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UC3328  Dichelostemma multiflorum Mrs. Palmer 1898-4-21 Siskiyou Shasta Comment
  HSC46229  Dichelostemma multiflorum Jennifer Whipple 1978-6-5 2340 Siskiyou Weston Gulch in Scott Valley 854 Comment
  SEINET10533978  Dichelostemma multiflorum A. Arthur Heller 1905-6-1 Heller 7942 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  SEINET10533983  Dichelostemma multiflorum A. Arthur Heller 1919-6-27 Heller 13275 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, 3800 feet, in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir and incense cedar. Comment
  CAS-BOT-BC291016  Dieteria canescens var. shastensis Grant 1902-9-7 5119 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC291019  Dieteria canescens var. shastensis L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  CAS-BOT-BC291020  Dieteria canescens var. shastensis W. B. Cooke; V. G. Cooke 1963-7-12 34333 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC153446  Diplacus layneae D. E. Breedlove 1962-6-11 3361 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  CAS-BOT-BC153449  Diplacus layneae L. E. Smith 1913-7-4 s.n. Siskiyou North fork Castle Creek Comment
  CAS-BOT-BC153455  Diplacus layneae Copeland 1903-9-5 3851 Siskiyou Igerna Comment
  SEINET8225567  Diplacus nanus Unknown 1948-6-12 1171 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River. Comment
  SEINET8250644  Diplacus nanus J. M. Tucker 1963-7-7 3724 Siskiyou in vicinity of Pradise Lake, at the base of Kings Castle on the east side, MArble Mountain Wilderness Area. 1981 Comment
  SD53404  Dipsacus fullonum Darley F. Howe 1962-8-5 3260 Siskiyou Bank of Klamouth River, 56.8 mi. E of Happy Camp on Hwy 96 609 Comment
  JEPS82702  Dodecatheon alpinum Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (Castle Lake); , sw of Mt. Shasta city 1828 Comment
  UC1949326  Dodecatheon alpinum Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9370 Siskiyou ca 1 mi E of Toad Lake at head of Middle Fk Sacramento River, ca 8 airmiles W of Mt Shasta City Comment
  HSC61802  Dodecatheon jeffreyi Ruby Van Deventer 13 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  RSA238718  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1049 Siskiyou Along inlet stream on SW side of Upper English Lakw. Wet bereal meadow. Red Fir Forest. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  JEPS29151  Downingia bacigalupii John H. Weiler and A. P. Nelson 1960-6-24 60205 Siskiyou 2.7 mi sw California-Oregon border (at the side of Dorris-Beswick road) Comment
  RSA181958  Downingia montana John Weiler, Lincoln Constance, E. Moleseed 1960-6-15 60178 Siskiyou Beside railroad tracks about 300 ft. off Hwy 99 just N of the bridge over the Sacramento River at the N end of Lake Shasta (Antler Resort area.) Comment
  RSA237274  Draba howellii Frederick W. Oettinger 1967-7-26 196 Siskiyou Down northeast end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2186 Comment
  RSA237377  Draba pterosperma Frederick W. Oettinger 1968-8-22 601 Siskiyou Above English Lake to Diamond Lake trail on English Lake side of pass. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2098 Comment
  CAS-BOT-BC41410  Draba verna John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53385 Siskiyou Yreka. 792 Comment
  HSC101398  Drymocallis glandulosa var. glandulosa J. P. Smith, J. O. Sawyer 2010-8-7 13055 Siskiyou Klamath National Forest. Road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  NY335211  Echinospermum greenei E. L. Greene 1876-5-10 744 Siskiyou Yreka Comment
  CAS-BOT-BC113722  Eleocharis acicularis Louis C. Wheeler 1934-6-29 2827 Siskiyou Mucky, sunny meadow in Soda Creek, Sterling Mt. 1280 Comment
  CAS-BOT-BC113419  Eleocharis bella Alice Eastwood 1921-7-25 10849 Siskiyou Bigelows, McCloud River. Comment
  RSA120499  Eleocharis decumbens S. Tillett 1956-7-9 640 Siskiyou E. of Scott Mtn., Siskiyou-Trinity county line, ca 8 mi. SE of Callahan. 1829 Comment
  POM264766  Eleocharis parishii L. C. Wheeler 1934-6-29 2826 Siskiyou Soda Creek. Sterling Mountain. Siskiyou Mountains. 1280 Comment
  UC1037161  Elymus X aristatus Leo Whitney 1935-7-15 3470 Siskiyou stream near Bullseye Lake (2 mi se of Medicine Lake) Comment
  HSC30568  Elymus X hansenii Frederick W. Oettinger 1969-9-2 1589 Siskiyou Marble Mtn. Wilderness Area, meadow above Bear Meadow, near Tom Taylor Cabin. 2043 Comment
  HSC19240  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-25 1553 Siskiyou S of High Lake 2210 Comment
  HSC38714  Elymus elymoides var. elymoides J. D. Ackerman, A. M. Montalvo 1975-7-18 574 Siskiyou S Fk of Sacramento River, off USFS Rd. 40N30. Between Mt. Eddy and Boulder PK. SW of Mt. Shasta City. Comment
  HSC75111  Elymus elymoides var. elymoides J. P. Smith, Thomas W. Nelson 1979-6-15 10121 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC69221  Elymus glaucus Maralyn A. Renner 1980-8-31 2623 Siskiyou Twin Valley. 1494 Comment
  UC637099  Elymus glaucus Edward Lee 1934-8-14 1119 Siskiyou Little Grayback; w slope, Siskiyou-Del Norte Co. line 1706 Comment
  HSC101472  Elymus lanceolatus subsp. lanceolatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12996 Siskiyou Gazelle-Callahan Road. 1233 Comment
  CAS-BOT-BC235222  Elymus multisetus H. A. Thomas; J. H. Thomas 1954-7-21 4409 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  HSC64828  Elymus spicatus J. P. Smith, Steve Selva 1970-6-16 3970 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  CHSC105874  Elymus trachycaulus subsp. subsecundus Julie Kierstead Nelson 2008-7-12 2008 -002 Siskiyou South slope of Mt. Shasta in mixed conifer-black oak forest. 1325 Comment
  CAS-BOT-BC204305  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1983-8-26 593 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  UC1105961  Elytrigia intermedia subsp. intermedia Milo S. Baker 1955-7-26 13083 Siskiyou Hwy 99 4 mi s Gazelle 914 Comment
  CHSC91356  Elytrigia pontica subsp. pontica Lowell Ahart; John Dittes 2005-6-10 12077 Siskiyou On the north side of the Shasta River, 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
  POM248135  Epilobium anagallidifolium W. Bridge Cooke 1939-7-26 13747 Siskiyou Mount Shasta: Spring on the west side of the wide draw above Panther Creek Meadows 2744 Comment
  UC164268  Epilobium brachycarpum Geo. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  RSA768924  Epilobium ciliatum subsp. ciliatum L. Ahart, John Dittes 2010-7-30 16952 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  UC873277  Epilobium ciliatum subsp. ciliatum A. A. Heller 1915-8-24 12213 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  UC873338  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1942-9-5 16276 Siskiyou near MacBride Springs; Mt. Shasta Comment
  POM259017  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-7-12 15324 Siskiyou Along Castle Lake road near the Brown-Shasta Ranch 1067 Comment
  UC164342  Epilobium ciliatum subsp. glandulosum Geo. D. Butler 1908-8-2 159 Siskiyou below Bottom's Camp; Shackleford Creek Comment
  POM248147  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-7-21 13718 Siskiyou Bear Springs, Mount Shasta. 1524 Comment
  UC454594  Epilobium densiflorum I. J. Condit 1911-7-13 Siskiyou along S.P.R.R. Dunsmuir Comment
  HSC96409  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig, J. Kalt 1996-7-9 364 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC92082  Epilobium glaberrimum subsp. fastigiatum Jennifer Whipple 1976-7-4 1467 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  UCD80893  Epilobium hallianum Robert E. Preston 2001-7-21 1721 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mtn. 2066 Comment
  UC1408904  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1968-8-10 463 Siskiyou stream inlet into Hancock Lake (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC618799  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-7-15 11257 Siskiyou Wagon Camp Mount Shasta (creek in upper meadow) Comment
  RSA211355  Epilobium hornemannii subsp. hornemannii William J. Ferlatte 1967-8-20 1057 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  UC136739  Epilobium minutum A. A. Heller 1905-6-1 7930 Siskiyou Upper Soda Spring Comment
  UCD106507  Epilobium minutum James P. Smith 1973-5-5 6521 Siskiyou Scott Bar, along the Scott River. Comment
  POM46474  Epilobium siskiyouense Geo. D. Butler 1910-7-9 s.n. Siskiyou Wooly Creek. 1677 Comment
  UC1045285  Equisetum laevigatum W. Bridge Cooke 1940-6-7 15088 Siskiyou just n Mts. Shasta city (along US 99) Comment
  UCSB18560  Equisetum laevigatum 1962-6-10 Siskiyou N bank of Klamath River at its junction with Goff Creek, 4,5 mi W of Seiad. 411 Comment
  CDA2080  Eragrostis curvula William J. Ferlatte 1989-11-8 Siskiyou Southbound I-5 at Grenada off-ramp, 0.4 miles north of Grenada. 0 Comment
  JEPS52498  Eremocarpus setiger Geo. D. Butler 1908-8-15 69 Siskiyou near Yreka; Butler Ranch Comment
  HSC68530  Eremogone congesta Maralyn A. Renner 1980-6-24 1058 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  RSA0045089  Eremogone congesta R. F. Thorne 1969-8-2 63335 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. 1159 Comment
  CAS-BOT-BC168330  Eremogone congesta var. congesta A. A. Heller 1918-7-16 13031 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  CAS-BOT-BC168850  Eremogone congesta var. congesta Doris K. Kildale 1929-7-20 8583 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CHSC99996  Eremogone congesta var. suffrutescens L. P. Janeway 2008-7-25 9499 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1834 Comment
  SEINET12875579 Image available Eremogone congesta var. suffrutescens Frederick W. Oettinger 1969-1 395 Siskiyou Trail break on Crapo Peak ridge 2195 Comment
  SD76180  Ericameria bloomeri Helen V. Witham 1969-10-9 597 Siskiyou McBride Springs Road, Mount Shasta 1500 Comment
  UC1034045  Ericameria bloomeri W. B. Cooke 1941-8-21 16215 Siskiyou on the n side Diller Canyon (at timberline on the w side of Shastina); Mt. Shasta, Shastina, Diller Canyon 2438 Comment
  UC527338  Ericameria bloomeri C. B. Wolf 1931-9-2 Siskiyou 0.5 mi above junction Pacific Highway (on the road to McCloud) 1097 Comment
  CAS-BOT-BC287494  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Klamath Forest 1828 Comment
  HSC92185  Ericameria greenei Jennifer Whipple 1977-8-4 2165 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2195 Comment
  HSC5334  Ericameria nauseosa Jerry Parker 1968-10-6 139 Siskiyou Near Sugar Creek bridge on Hwy. 3 Comment
  UC1223066  Ericameria nauseosa var. speciosa Joseph P. Tracy 1949-9-15 18560 Siskiyou Black Bear Mine; Salmon Mountains 1219 Comment
  UC904773  Ericameria nauseosa var. speciosa W. Bridge Cooke 1949-8-26 25670 Siskiyou along logging road above Bolam Station; Mount Shasta 1828 Comment
  UC725955  Ericameria parryi var. latior A. A. Heller 1925-7-13 13898 Siskiyou on highway near College Camp Comment
  CAS-BOT-BC293501  Erigeron aliceae Doris K. Kildale 1928-8-19 6577 a Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC293503  Erigeron aliceae Geo. D. Butler 1908-8-8 290 Siskiyou West Fork of Woolly Creek Comment
  JEPS109715  Erigeron aphanactis var. aphanactis Dean W. Taylor 2002-7-21 18271 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  HSC19551  Erigeron cervinus J. O. Sawyer 1969-8-3 1778 Siskiyou Near Little Duck Lake 2073 Comment
  HSC41054  Erigeron cervinus J. O. Sawyer 1969-7-9 1108 Siskiyou Dry slope above Little Duck Lake. Grandiorite 2012 Comment
  HSC77104  Erigeron cervinus K. T. Stillman 1976-7-31 354 Siskiyou Marble Mtn. Wilderness Area: Ridge N of jump off Comment
  JEPS84321  Erigeron cervinus L. R. Heckard with J. Hickman et al. 1986-7-17 6477 Siskiyou above and w of Lily Pad Lake (ca 5 mi n of town of Seiad Valley) Comment
  CAS-BOT-BC297107  Erigeron compositus Wm. Bridge Cooke 1940-7-26 15384 Siskiyou Vicinity of Merriam's timberline on the west side of Shastina, Mount Shasta 2895 Comment
  CAS-BOT-BC297108  Erigeron compositus Wm. Bridge Cooke 1940-7-26 15384 Siskiyou Vicinity of Merriam's timberline on the west side of Shastina, Mount Shasta 2895 Comment
  HSC72365  Erigeron compositus J. P. Smith, Linda M. Barker, J. Cole, Jennifer Whipple 1976-7-28 8957 Siskiyou Sikiyou-Trinity county line, summit of Mt. Eddy 2752 Comment
  UCD77643  Erigeron eatonii var. plantagineus Robert E. Preston 2002-6-20 1833 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  CAS-BOT-BC300475  Erigeron filifolius W. B. Cooke; V. G. Cooke 1966-7-16 37217 Siskiyou Above Bolam Station, Mt. Shasta 1676 Comment
  HSC5518  Erigeron filifolius R. C. Wunner 1965-6-20 230 Siskiyou Lava Beds National Monument near Thunderbolt Cave entrance 1463 Comment
  CHSC71470  Erigeron filifolius var. filifolius Vernon H. Oswald; Lowell Ahart 1998-7-21 9313 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  CAS-BOT-BC296125  Erigeron foliosus var. confinis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch, Klamath Forest 1828 Comment
  RSA90921  Erigeron foliosus var. confinis F. W. Peirson 1926-7-11 7024 Siskiyou High mountain ridge, summit of grade west of Etna or Etna Mills 1982 Comment
  HSC19468  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-4 1860 Siskiyou Slope SW of Sugar Lake 2195 Comment
  UCD77640  Erigeron glacialis var. glacialis Robert E. Preston 2001-7-21 1725 a Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2066 Comment
  HSC623  Erigeron glacialis var. glacialis William J. Ferlatte 1966-7-7 210 Siskiyou NW side of Caribou Mtn. 1829 Comment
  CAS-BOT-BC295397  Erigeron inornatus Annetta Carter 1939-8-21 1474 Siskiyou Near crest of peak above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2286 Comment
  CAS-BOT-BC295398  Erigeron inornatus Edward Lee 1934-8-14 1113 Siskiyou Near summit of Little Grayback, Siskiyou-Del Norte County line 1828 Comment
  CDA4954  Erigeron inornatus G. C. Fleischman 1946-7-26 Siskiyou Vicinity of Mt. Shasta. 0 Comment
  OBI55471  Erigeron inornatus David J. Keil, Kathleen Keil 1992-7-21 23534 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn Rd (hwy 3) Comment
  UC60966  Erigeron inornatus var. inornatus Geo. B. Grant 1902-9-3 5173 Siskiyou Mount Shasta, Sisson Comment
  OBI58648  Erigeron inornatus var. inornatus David J. Keil 1992-7-20 23492 Siskiyou Klamath NF W of Ft. Jones. Along Forest Rd 44N45, 2 mi S of Scott river Rd 1000 Comment
  CAS-BOT-BC295457  Erigeron klamathensis Edward Lee 1934-8-14 1109 Siskiyou Little Grayback, Siskiyou-Del Norte County Line 1859 Comment
  CAS-BOT-BC295458  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  JEPS104787  Erigeron klamathensis Dean W. Taylor 1996-7-7 15809 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  JEPS41375  Erigeron philadelphicus var. philadelphicus Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento, Sisson Comment
  CAS-BOT-BC224144  Eriodictyon californicum Carl B. Wolf 1927-8-26 1001 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  RSA0020049  Eriogonum Anthony Baniaga 2011-7-8 430 Siskiyou Klamath National Forest. Along Salmon River, on Highway 93. 694 Comment
  SEINET7064420  Eriogonum collinum A. G. Vestal 1963-6-1 s.n. Siskiyou Ca. 4.6 miles southeast of Hornbrook. (NAD83/WGS84) UTM Zone 10, 535702mE, 4633239mN. Comment
  CDA22485  Eriogonum compositum F. D. Horn 1977-5-12 Siskiyou Highway 263, Shasta River Canyon, Yreka. 0 Comment
  UC163807  Eriogonum compositum var. compositum Geo. D. Butler 1909-5-14 720 Siskiyou Klamath River Comment
  CAS-BOT-BC105085  Eriogonum congdonii R. C. Wenk 2008-7-25 950 Siskiyou Road to Kangaroo Lake, 4.3 miles S of turnoff from Gazelle-Callahan Rd. 1615 Comment
  CAS-BOT-BC242530  Eriogonum congdonii Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -028 Siskiyou The Eddys, west of Mt. Shasta. East of Toad Lake trailhead, terminus of Forest Service Rd. 40N64, headwaters of Middle Fork of upper Sacramento River 2051 Comment
  HSC49942  Eriogonum hirtellum G. L. Clifton 1979-8-5 12500 Siskiyou Near Twin Valley 1646 Comment
  HSC30482  Eriogonum lobbii Frederick W. Oettinger 1968-8-5 407 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  HSC26560  Eriogonum marifolium J. P. Smith, J. O. Sawyer 1972-8-20 5752 Siskiyou Slope of Mt. Hoffman 2134 Comment
  POM165485  Eriogonum marifolium George B. Grant 1902-9-7 5091 Siskiyou Mt. Shasta 2439 Comment
  RSA34058  Eriogonum marifolium A. A. Heller 1920-8-12 13522 Siskiyou Spring above Horse Camp Comment
  SD23786  Eriogonum marifolium Wm. Bridge Cooke 1938-8-18 11489 Siskiyou Mt. Shasta, lava slopes 2514 Comment
  CDA22622  Eriogonum microthecum F. D. Horn 1977-10-5 Siskiyou Shasta Vista Estates, Grenada. 0 Comment
  HSC43401  Eriogonum nudum var. nudum K. T. Stillman 1976-7-14 241 Siskiyou Marble Mtn. Wilderness Area, E ridge down to Elk Valley 2073 Comment
  SD22389  Eriogonum nudum var. nudum Susan G. Stokes 1932-7-14 Siskiyou Near Dorris Comment
  CAS-BOT-BC269741  Eriogonum nudum var. oblongifolium Louis C. Wheeler 1935-6-29 3624 Siskiyou Yreka 807 Comment
  CAS-BOT-BC269743  Eriogonum nudum var. oblongifolium Carl B. Wolf 1927-8-26 1043 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  SEINET5330933  Eriogonum nudum var. oblongifolium G. Butler 1910-6-26 1605 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC272471  Eriogonum nudum var. pubiflorum Annetta Carter 1934-8-10 692 Siskiyou South bank of the Klamath River between McKinney and Parkhouse creeks (near Hamburg) 609 Comment
  CAS-BOT-BC272473  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-6-7 9411 Siskiyou Indian Well, Lava Beds National Monument Comment
  CHSC70766  Eriogonum nudum var. pubiflorum A. Francis 1996-7-24 3639 Siskiyou South slope of Mt. Hoffman, NE of Arnica Sink. 2109 Comment
  HSC43065  Eriogonum nudum var. pubiflorum J. P. Smith, Steve Selva 1970-7-17 4422 Siskiyou Along Klamath River Comment
  UC375313  Eriogonum nudum var. pubiflorum Geo. D. Butler 1908-7-5 213 Siskiyou near Yreka Comment
  RSA393313  Eriogonum nudum var. pubiflorum M. B. Dunkle 1944-6-25 9025 Siskiyou Siskiyou National Forest. Comment
  JEPS81652  Eriogonum ovalifolium var. purpureum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2307 Siskiyou along road to Hoffman Mill 1.2 mi from U.S. 97 ((about 3 mi ne of Little Deer-The Whaleback Quad.)) 1569 Comment
  UC1553367  Eriogonum pyrolifolium W. J. Ferlatte 1988-8-27 2119 Siskiyou 1 mi s Gray Butte (ne side of Coyote Butte); Shasta Quad., Coyote Butte 2072 Comment
  UC519883  Eriogonum pyrolifolium L. Ellison 1928-9-11 Siskiyou Mt. Shasta 2743 Comment
  NY323543  Eriogonum siskiyouense E. L. Greene 1876-8-22 s.n. Siskiyou On Scott Mountain 2743.2 Comment
  SEINET3405023 Image available Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou Kangaroo Divide, above Kangaroo Lake Comment
  UC1037412  Eriogonum siskiyouense Douglas Barbe 1955-7-28 316 Siskiyou nw Scott Mountain; Klamath Mountains 1737 Comment
  SEINET11261409  Eriogonum sphaerocephalum var. halimioides Noel H. Holmgren, James L. Reveal 1966-6-9 2681 Siskiyou US 97, 5.5 miles south of Macdoel, 35 miles north of Weed.; 0 1341 Comment
  HSC40981  Eriogonum strictum var. greenei J. O. Sawyer 1975-7-15 2697 Siskiyou 11 mi. W of Ft. Jones along SR 3 Comment
  CAS-BOT-BC263384  Eriogonum strictum var. proliferum Copeland 1903-9-7 3873 Siskiyou Mt. Eddy Comment
  UC1333302  Eriogonum strictum var. proliferum Dorothy Parker 1949-6-30 326 Siskiyou along Kidder Creek Scott Valley, Kidder Creek 857 Comment
  CAS-BOT-BC263395  Eriogonum strictum var. proliferum Milo S. Baker 1955-6-28 012 Siskiyou 0.3 mile north of Callahan 1005 Comment
  CAS-BOT-BC263446  Eriogonum ternatum Doris K. Kildale 1929-8-24 8819 Siskiyou Preston Peak 2133 Comment
  HSC65577  Eriogonum umbellatum R. White 1977-7-7 111 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  JEPS24035  Eriogonum umbellatum var. argus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6899 Siskiyou Poker Flat Siskiyou Mts. 1536 Comment
  RSA237777  Eriogonum umbellatum var. argus Frederick W. Oettinger 1967-8-4 269 Siskiyou Near English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2229 Comment
  SDSU7196  Eriogonum umbellatum var. argus D. F. Howe 1965-8-8 4123 Siskiyou South side of Little Grayback, Klamath National Forest. 1463 Comment
  UC163832  Eriogonum umbellatum var. argus Geo. D. Butler 1909-8-3 209 Siskiyou Log Lake, Shackleford Creek Comment
  JEPS56199  Eriogonum umbellatum var. dumosum B. Wise Neilson 1936-10-18 Siskiyou 2 mi nw Elna Mt.; Salmon Mt. Comment
  HSC96854  Eriogonum umbellatum var. goodmanii J. O. Sawyer 1968-9-10 684 Siskiyou Below Young's Meadow on Clear Creek 1402 Comment
  CAS-BOT-BC268157  Eriogonum umbellatum var. humistratum Mrs. H. P. Bracelin 1931-6-21 455 Siskiyou North side of Mt. Eddy above Dobkin's Lake 2133 Comment
  JEPS57171  Eriogonum umbellatum var. humistratum L. R. Heckard 1967-8-13 1704 Siskiyou summit region of Mt. Eddy Mt. Eddy 2743 Comment
  UC902110  Eriogonum umbellatum var. lautum Joseph P. Tracy 1949-9-16 18562 Siskiyou 1 mi e Etna (Scott Valley); Scott Valley 883 Comment
  UCD77655  Eriogonum umbellatum var. modocense Robert E. Preston 2005-7-1 2359 Siskiyou 3.3 mi E of Granada, along County Rd A12 787 Comment
  CAS-BOT-BC94539  Eriogonum umbellatum var. nelsoniorum R. C. Wenk 2006-7-23 530 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow. Allong Yellow Rose Mine trail to Dorleska Mine. Growing on barren 2042 Comment
  UC375310  Eriogonum umbellatum var. nevadense Geo. D. Butler 1908-8-5 204 Siskiyou summit above Cold Spring; Woolly Creek Comment
  RSA141264  Eriogonum umbellatum var. polyanthum P. Quentin Tomich 1954-6-20 417 Siskiyou Valentine Cave, Lava Beds National Monument. 1372 Comment
  UC912832  Eriogonum vimineum Lewis S. Rose 1941-8-28 41429 Siskiyou Macdoel 1219 Comment
  HSC68437  Eriophorum crinigerum Maralyn A. Renner 1980-7-4 1394 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC92166  Eriophyllum lanatum Jennifer Whipple 1976-6-30 1195 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CAS-BOT-BC301104  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-4 1279 Siskiyou Near Yreka Comment
  CAS-BOT-BC301142  Eriophyllum lanatum var. achilleoides Alice Eastwood 1923-5-23 11934 Siskiyou Cantara Comment
  JEPS69766  Eriophyllum lanatum var. achilleoides W. B. and V. G. Cooke 1972-6-30 45420 Siskiyou Military Pass Road Mt. Shasta 1524 Comment
  UC643286  Eriophyllum lanatum var. achilleoides W. Bridge Cooke 1940-6-4 15027 Siskiyou between US97 and Bolam Station (along an old logging road on the n side of the mountain); Mount Shasta 1219 Comment
  JEPS116615  Eriophyllum lanatum var. integrifolium Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -011 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N73 Mt. Shasta (Hotlum Fire area burned Feb 2006 ca. 4 mi NE of town of Weed.) 1090 Comment
  CAS-BOT-BC301705  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3751 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2133 Comment
  HSC2273  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-23 1394 Siskiyou Humbug Mtn. 1220 Comment
  HSC67902  Eriophyllum lanatum var. lanceolatum J. P. Smith 1973-5-5 6543 Siskiyou Scott Bar along the Scott River Comment
  HSC76891  Eriophyllum lanatum var. lanceolatum K. T. Stillman 1976-7-7 157 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  RSA629726  Eriophyllum lanatum var. lanceolatum L. C. Wheeler 1958-8-18 7399 Siskiyou Mt. View Mine, West Fork Seiad Creek. Comment
  UC609331  Eriophyllum lanatum var. lanceolatum Eleanor Burks Hart 1938-8-15 888 Siskiyou Upper Wright Lake; n side 2225 Comment
  UC618618  Erodium cicutarium unknown 1938-6-24 11084 Siskiyou MacBride Springs Mount Shasta Comment
  UC198755  Eruca vesicaria subsp. sativa Annie M. Alexander and L. Kellogg 1911-6-6 117 Siskiyou Gazelle Comment
  UCD77688  Eryngium alismifolium Robert E. Preston 2000-8-16 1433 Siskiyou Dry Lake, ca. 2.15 mi sw of Toad Mountain. 1423 Comment
  LA204335  Erysimum capitatum var. capitatum Ruth P. Rossbach; 1938-6-24 11073 Siskiyou Mount Shasta, vicinity of MacBride Springs 1523 Comment
  HSC77034  Erysimum perenne K. T. Stillman 1976-6-17 14 Siskiyou Marble Mtn. Wilderness Area, upper end of Elk Valley 1768 Comment
  UC536687  Erysimum perenne D. H. Johnson and F. G. Palmer 1935-7-2 Siskiyou 12 mi nw Happy Camp; Poker Flat 1524 Comment
  UC454408  Erythronium klamathense I. J. Condit 1911-7-28 Siskiyou Castle Lake 1981 Comment
Read comments
Mar 5 2007
  CAS-BOT-BC403670  Eschscholzia californica D. M. Traugh 1933-5-31 78 Siskiyou Klamath National Forest Comment
  RSA17662  Eschscholzia californica var. crocea Elmer I. Applegate 1935-6-10 9470 Siskiyou Harden Butte (Sand Hill), Lava Beds National Monument Comment
  HSC78314  Eucephalus glabratus L. P. Janeway 1983-8-28 634 Siskiyou Poker Flat, S edge of meadow 1529 Comment
  HSC22122  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-18 1981 Siskiyou Above South Sugar Creek 2134 Comment
  HSC69232  Eucephalus ledophyllus var. ledophyllus Maralyn A. Renner 1980-9-1 2714 Siskiyou S side of Devil's Punchbowl 1829 Comment
  CAS-BOT-BC310479  Eucephalus tomentellus A. A. Heller 1915-8-26 12242 Siskiyou Slope north side of Mt. Eddy 1767 Comment
  POM67557  Euonymus occidentalis Geo. D. Butler 1910-7-9 1700 Siskiyou Shackleford Creek. 1220 Comment
  RSA105401  Euonymus occidentalis Douglas Barbe 1955-6-30 060 Siskiyou 0.8 mile NW of Forest Camp, Etna. Along Johnson Creek. 945 Comment
  JEPS51919  Euphorbia crenulata W. L. Jepson 1940-6-27 20056 Siskiyou McCloud 975 Comment
  RSA498946  Euphorbia crenulata L. C. Wheeler 1934-6-4 2634 Siskiyou Hamburg Gulch off Horse Creek. 610 Comment
  CAS-BOT-BC310635  Eurybia radulina Alice Eastwood 1921-7-24 10786 Siskiyou Castle Lake Comment
  JEPS31913  Eurybia radulina Geo. D. Butler 1908-7-22 293 Siskiyou roadside w of Forest House Mountain Comment
  HSC67573  Fallopia convolvulus J. P. Smith, Steve Selva 1970-7-17 4442 Siskiyou 915 Comment
  UCD98904  Fallopia japonica T. C. Fuller 1969-9-10 18887 Siskiyou 9055 Soquel Dr., also seen on freeway back of 9018 Soquel Dr., Rio Del Mar dist. E. of Aptos. Comment
  CAS-BOT-BC418830  Fallopia japonica var. japonica T. C. Fuller 1968-8-1 17452 Siskiyou Corner of Siskiyou Ave. & Interstate 5 freeway Comment
  HSC49215  Festuca californica J. O. Sawyer, K. T. Stillman Jul 1977 2795 Siskiyou E of the Little N Fork Trail 732 Comment
  RSA47648  Festuca californica Roxana S. Ferris, Laura Lorraine 11798 Siskiyou Scott Mountain Road south of Callahan Comment
  CHSC71340  Festuca idahoensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9193 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  CAS-BOT-BC278882  Festuca occidentalis K. T. Stillman 1976-7-7 161 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  HSC65430  Festuca occidentalis J. P. Smith 1973-5-5 6398 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC1026159  Festuca pratensis Louis C. Wheeler 1935-6-2 3545 Siskiyou Shasta River Siskiyou Mts. Comment
  UCD66261  Festuca roemeri H. S. Yates 1936-6-21 5826 Siskiyou N base of Wintoon Butte. 1219 Comment
  UCD66350  Festuca rubra L. Whitney 1934-6-29 2223 Siskiyou Antelope Creek, near Tennant. 1463 Comment
  UCD35441  Frangula purshiana Beecher Crampton 1956-8-21 3852 Siskiyou 3.5 miles southwest of Mt. Shasta City, slopes above the Sacramento River. 1005 Comment
  CHSC69831  Frangula rubra J. P. Smith; J. O. Sawyer, Maralyn O'Meara 1972-7-3 5723 Siskiyou East slope of Kangaroo Mtn. above Toehead Lake. 1889 Comment
  CAS-BOT-BC55718  Frangula rubra subsp. obtusissima L. E. Smith 1913-6-29 s.n. Siskiyou Rainbow Comment
  CAS-BOT-BC55720  Frangula rubra subsp. obtusissima John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53558 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle 1005 Comment
  UC1949127  Frasera albicaulis var. nitida Barbara Ertter 1990-7-14 9304 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
  UC165731  Fritillaria atropurpurea Geo. D. Butler 1910-5-1 1261 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC502841  Fritillaria atropurpurea Elmer I. Applegate 1895-5-29 714 Siskiyou West base of Mount Shasta, near Sisson Comment
  CAS-BOT-BC502843  Fritillaria atropurpurea Harley P. Chandler 1901-6-1 1592 Siskiyou Ridges and meadows near Marble Mountain 1981 Comment
  HSC30638  Fritillaria atropurpurea Frederick W. Oettinger 1969-7-9 943 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  POM109768  Fritillaria pudica Geo D. Butler 1910-3-11 1121 Siskiyou Dry hills near Yreka Comment
  CAS-BOT-BC504472  Fritillaria recurva John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53391 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on raod to Fort Jones 1249 Comment
  UC164076  Galium bolanderi Geo. D. Butler 1909-7-15 946 Siskiyou Highland Mine Comment
  RSA756845  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 miles west of Mt. Shasta City Comment
  HSC60825  Galium triflorum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1524 Comment
  HSC77762  Galium triflorum L. P. Janeway 1983-9-11 676 Siskiyou Poker Flat 1524 Comment
  UC1971397  Garrya buxifolia Louis C. Wheeler 1958-8-18 7395 Siskiyou West Fork Seiad Creek. Comment
  RSA96943  Garrya fremontii Percy C. Everett, E. K. Balls 1954-10-10 20263 Siskiyou Road from town of Mt. Shasta to Castle Lake, one mile south of turn off to Ney Springs. 1159 Comment
  SEINET10453069  Gayophytum diffusum Mary Susan Taylor 1980-8-18 Taylor 3258 A Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  POM355398  Gayophytum diffusum subsp. parviflorum L. S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 915 Comment
  POM355342  Gayophytum eriospermum M. B. Dunkle 1944-8-25 9177 Siskiyou Siskiyou National Forest 1829 Comment
  UCR52565  Gayophytum heterozygum Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  HSC16394  Gayophytum humile R. C. Wunner 1965-6-25 287 Siskiyou Lava Beds N.M., Indian Well Cave, Indian Well 1433 Comment
  SEINET12193190  Gayophytum humile C. G. Pringle 1882-1 s.n. Siskiyou Mts. about the head waters of the Sacramento River 2134 Comment
  CAS-BOT-BC123771  Gentiana newberryi Alice Eastwood 1912-8-30 2037 Siskiyou Mount Eddy Comment
  RSA238864  Gentiana plurisetosa Frederick W. Oettinger 1969-8-1 1132 Siskiyou Side of Wiregrass Meadow and bordering on the English Lake outlet brook. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC1408882  Gentiana plurisetosa Frederick W. Oettinger 1968-8-3 373 Siskiyou wet boreal meadow at Base Camp (midslope between Diamond Lake and Hancock Lake); Salmon Mountains,Marble Mountain Wilderness Area 2011 Comment
  POM130560  Gentianella amarella E. B. Copeland 1903-9-6 3849 Siskiyou Mt. Eddy. Comment
  SEINET3151360  Geranium incisum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley Comment
  CHSC675  Geranium oreganum 1936-6-23 Siskiyou Mt. Shasta City. 1066 Comment
  UC224194  Geranium oreganum Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2518 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  UC1409499  Geum macrophyllum var. perincisum F. W. Oettinger 1969-8-9 1316 Siskiyou near Young's Cabin (Salmon Mountains, western Siskiyou County); Salmon Mountains 1356 Comment
  UC466703  Geum triflorum Geo. D. Butler 1910-6-19 1578 Siskiyou Goosenest Foothills 1524 Comment
  RSA96729  Gilia capitata Lee W. Lenz 1953-5-17 18312 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 Comment
  UCSB7931  Gilia capitata subsp. capitata Hardham, Clare 1965-8-20 Siskiyou Cudahy Lakes; on the Granite Trail; Marble Mountains 1219 Comment
  JEPS105005  Gilia leptomeria Dean W. Taylor 1995-6-4 14967 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UC643267  Gilia sinuata W. Bridge Cooke 1940-6-4 15008 Siskiyou along Bolam Road (on the n side of the mountain); Mount Shasta, n side of the mountain Comment
  CAS-BOT-BC283885  Glyceria declinata Wm. Bridge Cooke 1942-7-3 16365 Siskiyou In the Box Canyon of Sacramento River, near Mount Shasta City Comment
  JEPS84094  Glyceria elata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6378 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  RSA603021  Glyceria leptostachya L. C. Wheeler 1935-7-13 3663 Siskiyou Ager. 793 Comment
  UCD85213  Glyceria striata R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. 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
  HSC97385  Goodyera oblongifolia A. Montalvo, J. D. Ackerman 1974-8-16 418 Siskiyou Clear Creek Trail, 0.5 mi. S of Cracker Meadows, Youngs Valley near Preston Peak, Siskiyou Mtns. 1220 Comment
  RSA381794  Goodyera oblongifolia M. B. Dunkle 1944-8-25 9172 Siskiyou Siskiyou National Forest, Hungry Creek Comment
  RSA238560  Hackelia bella Frederick W. Oettinger 1967-8-13 262 Siskiyou About 30 yards SE of Tom Taylor Cabin. 2043 Comment
  CHSC9491  Hackelia californica J. F. Goodwin 1971-7-3 133 Siskiyou 0.1 mi. south of road at Multiple Use Area, 4.9 mi. south of Mt. Shasta Ski Bowl area. 1889 Comment
  POM72797  Hackelia californica Edward Palmer 1892-7-13 2437 Siskiyou Mount Shasta and vicinity Comment
  CDA40629  Hackelia californica J. Grisham 1958-6-16 584 -58 Siskiyou Near town of Mt. Shasta. 0 Comment
  RSA12592  Hackelia californica C. B. Wolf 1934-7-6 5994 Siskiyou 4 miles from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  UCD77748  Hackelia micrantha Robert E. Preston 2001-6-23 1600 b Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  CAS-BOT-BC94460  Hackelia micrantha R. C. Wenk 2005-7-19 317 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  HSC30446  Hastingsia alba Frederick W. Oettinger, R. F. Thorne 1969-8-8 1301 Siskiyou Marble Mountain Wilderness Area, Sundew Bog in English Lake Basin 1829 Comment
  UC569476  Hastingsia alba H. S. Yates 1936-6-21 5882 Siskiyou 1 mi se Gazelle; Etna Quad. 792 Comment
  CAS-BOT-BC504597  Hastingsia alba Doris K. Kildale 1928-7-4 5503 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  CAS-BOT-BC504598  Hastingsia alba Ira L. Wiggins 1955-7-27 13532 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC504604  Hastingsia alba Doris K. Kildale 1929-7-20 8589 Siskiyou Southeast spur of Preston Peak Comment
  CAS-BOT-BC508651  Hastingsia alba Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC508653  Hastingsia alba Elizabeth McClintock; Wayne Roderick 1967-7-27 s.n. Siskiyou At head of Gumboot Lake, s.w. of Mt. Eddy 1828 Comment
  UC1951320  Hastingsia alba Robert F. Thorne and Fred Oettinger 1969-8-4 63389 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Wet meadow 0.2 miles N of Tobacco Lake. Comment
  CDA6450  Helenium autumnale T. C. Fuller 1958-9-11 1218 -58 Siskiyou 5 miles south of Fort Jones, Scott Valley. 0 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
  CAS-BOT-BC306753  Helenium bigelovii Doris K. Kildale 1929-8-24 9053 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  JEPS84051  Helenium bigelovii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6363 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  CAS-BOT-BC306733  Helenium bigelovii Doris K. Kildale 1929-8-25 9028 Siskiyou White's Meadow, trail to Preston Peak 1371 Comment
  UC336924  Helenium puberulum unknown 1878-7-1 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC309577  Helenium puberulum Carl B. Wolf 1927-8-26 1098 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  HSC5783  Helianthus annuus R. C. Wunner 1965-7-21 409 Siskiyou California Lava Beds National Monument; Near Canby Cross on both sides of the road 1220 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
  UC134872  Helianthus bolanderi J. W. Congdon 1910-8-9 Siskiyou near Sisson Comment
  HSC101502  Hemerocallis fulva J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12993 Siskiyou Fence row along Gazelle-Callahan Road. 3961 Comment
  CAS-BOT-BC94810  Hemizonella minima R. C. Wenk 2005-6-17 165 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Cmpgrd. at S end of Big Flat Meadow 1517 Comment
  UC165251  Hemizonella minima Geo. D. Butler 1909-4-25 620 Siskiyou Quartz Valley Comment
  JEPS19789  Hemizonella minima Rimo Bacigalupi with S. Galen Smith 1957-6-25 5932 Siskiyou forest land just w Black Butte railroad junction 1188 Comment
  JEPS107319  Hesperochiron californicus Lowell Ahart, John Dittes 2005-6-10 12105 Siskiyou 30 yards E of Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air mi S of Hwy 99/97 Cutoff, about 6 air mi E-SE of Grenada 776 Comment
  SBBG6106  Hesperochiron pumilus H. and M. Dearing 1939-6-5 3553 Siskiyou E of McCloud 1066 Comment
  UC1733726  Hesperochiron pumilus Frank Gould, Kay H. Beach 1940-5-15 1237 Siskiyou Bull Meadows Comment
  RSA233694  Hesperolinon micranthum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38947 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  SEINET10460683  Heterocodon rariflorum Butler 1910-7-8 BUTLER 1662 Siskiyou SHACKELFORD CR. 1219 Comment
  SEINET10460707  Heterocodon rariflorum Edwin B. Copel 1903-9-6 Copeland 3847 Siskiyou IGERNA, 3800 Comment
  SBBG83848  Heterotheca villosa var. minor K. T. Stillman 1976-9-10 497 Siskiyou Marble Mtn Wilderness Area, E side of Black Mtn Comment
  RSA183747  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Near Marble Mountain Lookout. Comment
  CHSC99698  Heuchera merriamii L. P. Janeway 2008-7-24 9474 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  HSC681  Heuchera merriamii William J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  UC609371  Heuchera merriamii Eleanor Burks 1938-8-21 918 Siskiyou Upper Wright Lake 2225 Comment
  CAS-BOT-BC420704  Heuchera merriamii Doris K. Kildale 1928-8-19 6542 Siskiyou Summit of divide between English Lake and Haverick Lake on trail to Marble Mt. 2194 Comment
  CAS-BOT-BC420937  Heuchera micrantha var. diversifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2175 Siskiyou Dry, north slope, Siskiyou Mts., northwest of Hornbrook Comment
  CAS-BOT-BC420938  Heuchera micrantha var. diversifolia D. E. Breedlove 1962-6-11 3348 Siskiyou On moist bank of Canyon Creek with Pinus ponderosa and Salix so., abour 20 miles west of Fort Jones; Marble Mountains 914 Comment
  UCR66568  Heuchera rubescens L. C. Wheeler 1934-8-2 3012 Siskiyou Siskiyou Mtns, Head of Jaynes Canyon 2043 Comment
  HSC29089  Hieracium albiflorum Frederick W. Oettinger 1968-8-12 491 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S slope trail down to Tobacco Lake from Lily Pond 1921 Comment
  RSA237435  Hieracium albiflorum Frederick W. Oettinger 1968-8-12 491 Siskiyou South slope trail down to Tobacco Lake from Lily Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  SD98940  Hieracium albiflorum Darley F. Howe 1977-7-2 Siskiyou Scott River resort Area. 609 Comment
  RSA183492  Hieracium gracile J. M. Tucker, L. K. Mann 1963-8-19 3783 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC318545  Hieracium greenei Gilbert J. Muth 1969-8-7 1268 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC318539  Hieracium greenei Wm. Bridge Cooke 1939-8-25 13919 Siskiyou Above MacBride Springs 1676 Comment
  RSA608270  Hieracium greenei L. C. Wheeler 1935-7-23 3687 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  UC1408934  Hieracium scouleri Frederick W. Oettinger 1968-8-12 490 Siskiyou near Tobacco Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 1889 Comment
  JEPS32672  Hieracium triste Paul C. Hutchison 1962-8-2 939 Siskiyou between Panther Meadow top of ski lift; Mt. Shasta 2743 Comment
  CHSC71484  Hippuris vulgaris Vernon H. Oswald; Lowell Ahart 1998-7-21 9349 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. 1417 Comment
  UCD84842  Holcus lanatus A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3444 Siskiyou Near Happy Camp bank of the Klamath River near habitations. Comment
  HSC27920  Holodiscus discolor Carl W. Mize 1972-9-23 121 Siskiyou 610 Comment
  SBBG21848  Holodiscus discolor var. glabrescens D. Myrick 1964-7-25 962 Siskiyou above Ski Bowl Lodge on Mt Shasta 2407 Comment
  CAS-BOT-BC150129  Holodiscus microphyllus var. glabrescens Dorothy Parker 1950-8-6 489 Siskiyou Salmon Mountain 1798 Comment
  HSC63677  Holodiscus microphyllus var. glabrescens Richard Spjut, Emelia Russell 1979-8-28 5511 Siskiyou W slope of Mt. Shasta, base of rocky cliffs and ridges 2744 Comment
  RSA555250  Holodiscus microphyllus var. microphyllus Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38989 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
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Sep 13 2009
  CAS-BOT-BC289277  Hordeum brachyantherum subsp. brachyantherum Louis C. Wheeler 1934-8-14 3133 Siskiyou N. side White Mt., Klamath National Forest 1767 Comment
  CAS-BOT-BC289278  Hordeum brachyantherum subsp. brachyantherum David D. Keck 1949-7-19 6351 Siskiyou 2 mi. S. of Grenada 777 Comment
  CHSC91223  Hordeum depressum Lowell Ahart; John Dittes 2005-6-9 12042 Siskiyou North margin of a meadow area along a small drainage, on the west side of a poor rock fence, about 200 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
  CDA6217  Hordeum marinum subsp. gussoneanum L. Ahart, J. Dittes 2005-6-9 12000 Siskiyou 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. Comment
  UC485548  Horkelia daucifolia F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  POM195783  Horkelia fusca subsp. parviflora A. A. Heller 1927-8-1 14435 Siskiyou S side of Mt. Shasta, near Shasta City (Sisson). Comment
  HSC27406  Horkelia fusca var. parviflora D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19533 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  HSC28  Horkelia fusca var. parviflora William J. Ferlatte 1966-6-22 69 Siskiyou Big Flat, near public camp 1524 Comment
  UC453992  Horkelia tridentata subsp. tridentata I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Summit of Mt. Bradley 1981 Comment
  CAS-BOT-BC538243  Horkelia tridentata var. flavescens J. H. Thomas 1954-5-12 4123 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  CAS-BOT-BC538241  Horkelia tridentata var. flavescens Roxana S. Ferris; Laura Lorraine 1948-6-12 11792 Siskiyou Scott Mountain Road south of Callahan Comment
  HSC103838  Hosackia crassifolia G. Fred Hrusa 1998-7-5 14702 Siskiyou Cedar Camp Rd., about 5 mi. E of Weitchpec on Hwy. 96, N side of Hwy. Mile 8.8 Comment
  CAS-BOT-BC201124  Hosackia crassifolia J. F. Emmel 1968-7-17 87 Siskiyou W slope of Spring Hill, near town of Mt. Shasta Comment
  SEINET5327382  Hosackia crassifolia var. crassifolia G. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  CAS-BOT-BC142664  Howellanthus dalesianus Dorothy Parker 1958-6-9 649 Siskiyou summit of Scott Mt. 1630 Comment
  CHSC98745  Hulsea nana L. P. Janeway; B. Castro 2007-7-29 9137 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2067 Comment
  HSC41812  Hulsea nana Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  UC1540215  Hulsea nana Dean W. Taylor 1987-6-29 9094 Siskiyou n end of Burnt Lava Flow 1706 Comment
  JEPS82678  Hydrophyllum occidentale Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta City; Castle Lake 1828 Comment
  UC718165  Hymenoxys lemmonii Carl B. Wolf 1934-7-5 5976 Siskiyou 4 6/10 mi n Gazelle; Shasta Valley 822 Comment
  CAS-BOT-BC400983  Hypericum anagalloides Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  HSC99602  Hypericum anagalloides G. L. Clifton 1979-7-1 6169 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  JEPS66806  Hypericum formosum var. scouleri W. L. Jepson July, 1894 13961 Siskiyou Sisson Comment
  UC61161  Hypericum formosum var. scouleri W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt.Shasta, Sisson Comment
  UCD110386  Hypericum perforatum subsp. perforatum S. P. Lynch 1975-6-20 1391 Siskiyou ca. 3 mi. S of Hwy. 96 on rd. to Scott's Bar along Scott River. Comment
  UC166053  Idahoa scapigera Geo. D. Butler 1909-2 571 Siskiyou around Yreka Comment
  UC133855  Ipomopsis aggregata E. B. Copeland 1903-4-15 3919 Siskiyou Mt. Shasta 2316 Comment
  HSC22108  Ipomopsis aggregata J. O. Sawyer 1969-7-16 1126 Siskiyou SW-facing slope W of Russian Lake 2210 Comment
  HSC44589  Ipomopsis aggregata Laura Witherspoon 1977-7-13 Siskiyou 1/2 mi. before Flint Valley on the G-O Rd. 1220 Comment
  UCD118229  Ipomopsis aggregata J. M. Tucker 1948-8-2 1758 Siskiyou McCloud Cemetery, 2 miles south of McCloud. Comment
  UCD118367  Ipomopsis congesta Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Marble Mountain, Marble Mountains. 2255 Comment
  HSC76943  Ipomopsis congesta K. T. Stillman 1976-8-9 219 Siskiyou Marble Mtn. Wilderness area 2134 Comment
  RSA366802  Iris hartwegii E. Yale Dawson 1948-7-16 5099 -a Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  RSA60636  Iris missouriensis I. L. Wiggins 1950-5-27 12357 Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  CDA39596  Iris missouriensis T. C. Fuller 1962-6-13 8983 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  CAS-BOT-BC376182  Isatis tinctoria Andrew Townesmith; Karen M. Meyer 2007-8-3 896 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  CHSC96035  Isatis tinctoria L. P. Janeway 2006-7-3 8768 A Siskiyou Klamath Ranges. Salmon Mountains; southwest side of Taylor Lake Trailhead Road 0.8 km south of the main road; south-facing bowl at the head of Taylor Creek. 1804 Comment
  UCR47638  Isatis tinctoria Don Pendleton 1986-6-26 s.n. Siskiyou N of Yreka along Interstate 5 Comment
  CDA36766  Isatis tinctoria D. B. Joley 1976-5-13 6 Siskiyou Klamath River, north of Yreka. 0 Comment
  POM266322  Isatis tinctoria Marion Ownbey, Fred G. Meyer 1940-7-7 2208 Siskiyou Soap Ridge Road, SW of Yreka. Comment
  SEINET3148773  Isatis tinctoria G. D. Butler 1910-6-7 1534 Siskiyou Scott River Comment
  UCD115202  Isatis tinctoria James P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River. Comment
  JEPS100303  Isoetes bolanderi Dean W. Taylor 2001-8-28 17911 Siskiyou Mt. Shasta, Ash Creel Butte, Suprise Lake 2057 Comment
  CAS-BOT-BC69863  Isoetes occidentalis Louis C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mi. ne. of Sawtooth Mountain. 1615 Comment
  OBI80241  Isoetes occidentalis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. Paradise Lake. 1865 Comment
  SD249070  Isoetes occidentalis Daniel Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. Paradise Lake. 1865 Comment
  UCR113020  Isoetes occidentalis I. Shackleford 1997-7-24 259 Siskiyou Klamath National Forest. Horseshoe Lake Comment
  UC9320  Isopyrum stipitatum Thos. Howell April, 1892 18 Siskiyou Colestein; Siskiyou Mts., Colestein Comment
  UC538029  Ivesia gordonii David H. Johnson 1934-6-11 Siskiyou Dobkins Lake; Mt. Eddy 1828 Comment
  CDA39574  Juglans hindsii D. H. Shaw &Q. L. Holdeman 1977-9-26 s.n. Siskiyou Klamath River Lodge, Klamath River. 0 Comment
  JEPS98784  Juncus Sue Pappalardo 1993-7-19 505 B Siskiyou about 4 mi SE of Bear Mountain Lookout (Forest Service road 40N38); Shasta Trinity National Forest, McCloud Ranger District 1320 Comment
  UCD15035  Juncus John M. Tucker 1974-7-28 4317 Siskiyou California, Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows; wet soil in meadow, elev. ca. 4800 ft. 1463 Comment
  RSA768775  Juncus articulatus L. Ahart, John Dittes 2010-7-30 16962 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  CHSC40151  Juncus balticus L. P. Janeway 1983-8-28 639 Siskiyou At Poker Flat, a meadow. Middle of lower portion of meadow. 1524 Comment
  CHSC97977  Juncus balticus Jennifer Whipple 1976-7-2 1250 Siskiyou Klamath Mountains, Mount Eddy. Near Dobkins Lake. Along shore of lake. 2133 Comment
  HSC85851  Juncus balticus subsp. ater L. P. Janeway 1983-8-28 639 Siskiyou Poker Flat 1529 Comment
  HSC93820  Juncus balticus subsp. ater Jennifer Whipple 1976-7-2 1250 Siskiyou Near edge of Dobkins Lake 2073 Comment
  POM111243  Juncus bufonius var. bufonius Geo D. Butler 1910-7-12 1742 Siskiyou Shackleford Creek. 1220 Comment
  HSC22404  Juncus ensifolius J. O. Sawyer 1969-8-5 1953 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  POM111089  Juncus ensifolius Geo D. Butler 1910-6-21 1596 Siskiyou Yreka Creek. Comment
  SEINET6188314  Juncus ensifolius var. montanus M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow Comment
  HSC30678  Juncus mertensianus Frederick W. Oettinger 1969-8-22 1501 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  HSC61161  Juncus mertensianus Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC842670  Juncus mertensianus John Thomas Howell 1939-8-5 15063 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UCD141353  Juncus mexicanus Harold L. Lint; Mary E. Lint 1967-8-7 C 657 Siskiyou Panther Meadows on slopes of Mt. Shasta. Comment
  UC1265333  Juncus nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou just sw Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  RSA238907  Juncus nevadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1241 Siskiyou NNW of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 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
  UC1265303  Juncus occidentalis Frederick W. Oettinger 1969-8-24 1526 Siskiyou due w English Lake main camp (midway between English Lake main camp and Sundew Bog, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1798 Comment
  RSA238890  Juncus occidentalis Frederick W. Oettinger 1968-9-10 812 Siskiyou Just SW above Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  RSA14328  Juncus orthophyllus Elmer I. Applegate 1923-8-17 3837 Siskiyou Medicine Lake. Comment
  POM211411  Juncus parryi L. C. Wheeler 1934-8-17 3186 Siskiyou East end White Mt. Siskiyou Mountains. 1829 Comment
  RSA233671  Juncus parryi Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38978 Siskiyou Mt. Shasta National Forest; S slope of Mt. Shasta. 2317 Comment
  CAS-BOT-BC81142  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou Klamath National Forest, 1/2 mi. W. White. Mt. 1920 Comment
  HSC59712  Juniperus communis var. jackii Clark L. Miller 1978-10-21 78 Siskiyou French Camp Rd. off Hwy. 199 E of Hwy. 101 549 Comment
  HSC69525  Juniperus communis var. jackii Maralyn A. Renner 1980-6-26 1283 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  RSA13850  Juniperus communis var. montana L. C. Wheeler 1934-8-14 3123 Siskiyou 0.5 mile west White Mountain, Siskiyou Mountains 1921 Comment
  HSC27232  Juniperus occidentalis J. P. Smith, J. O. Sawyer 1971-9-18 4806 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC30625  Juniperus occidentalis Frederick W. Oettinger 1969-8-25 1558 Siskiyou Fort Jones 915 Comment
  RSA715958  Juniperus occidentalis var. occidentalis L. Ahart, John Dittes 2005-6-9 12021 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  CAS-BOT-BC56358  Kalmia microphylla subsp. microphylla W. B. C. 1938-7-21 11296 Siskiyou Panther Creek Heather Meadow. Hudsonian. 2286 Comment
  HSC45035  Kalmia polifolia J. O. Sawyer 1978-6-18 3239 Siskiyou Marble Mountain Wilderness, Shelly Meadows 1921 Comment
  CAS-BOT-BC246184  Keckiella lemmonii David D. Keck 1927-8-17 1265 Siskiyou West flank of Mt. Shasta, 4 1/2 miles from Mt. Shasta City on Horse Camp Trail 1828 Comment
  NY790342  Keckiella lemmonii D. C. Michener 1980-8-2 3765 Siskiyou Klamath Mountains. Along CA 96 along the Klamath River between Swillup and Coon Creeks, ca. 17 miles south of Happy Camp. 304.8 Comment
  CHSC25093  Kelloggia galioides J. E. Bowlin 1967-7-18 68 Siskiyou On roadside, ca. 8.5 mi W of Mount Shasta Ski Bowl. 1554 Comment
  UC1409414  Kelloggia galioides Frederick W. Oettinger 1968-9-9 807 Siskiyou ne side of saddle between Tom's Lake Basin and Tobacco Lake Basin (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wildeness Area 1950 Comment
  JEPS94262  Koeleria macrantha Vernon H. Oswald and Lowell Ahart 1998-6-11 9194 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road, ne of Weed, Shasta National Forest plantation on w side of Highway 97 Weed; Shasta National Forest, Highway 97 1066 Comment
  POM198424  Koeleria macrantha Geo D. Butler 1910-7-3 1625 Siskiyou Goosenest Foothills 1220 Comment
  UC70743  Koeleria macrantha T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCD123810  Kopsiopsis strobilacea J. M. Tucker; D. V. Hemphill 1974-7-27 4302 Siskiyou beside trail from Haypress Meadows to Monument Lake, on Sandy Ridge ca. 4 miles from Haypress Meadows; Marble Mountain Wilderness Area. 1859 Comment
  JEPS82115  Lactuca canadensis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7444 Siskiyou about 8 mi e Happy Camp; Canyon of the Klamath River Comment
  UC642553  Lactuca serriola W. B. Cooke 1939-8-4 17398 Siskiyou along Sisson Southern Trail; Mount Shasta Comment
  HSC2259  Lagophylla ramosissima Geo. D. Butler 1910-6-2 1448 Siskiyou Yreka Comment
  CAS-BOT-BC341701  Lagophylla ramosissima Louis C. Wheeler 1934-7-16 2905 Siskiyou Gottville, Klamath River, Siskiyou Mts. 563 Comment
  CAS-BOT-BC341703  Lagophylla ramosissima Louis C. Wheeler 1934-6-2 2608 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  RSA580058  Lamium amplexicaule Louis C. Wheeler 1935-7-15 3666 Siskiyou Fort Jones, Scott Valley. 854 Comment
  RSA761840  Ledum glandulosum R. F. Thorne, Frederick W. Oettinger 1969-8-4 63376 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2073 Comment
  CDA36979  Lepidium campestre CDFA Staff 12 Siskiyou Mt. Shasta. 0 Comment
  RSA237361  Lepidium campestre Frederick W. Oettinger 1969-8-14 1365 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
  CHSC91249  Lepidium perfoliatum Lowell Ahart; John Dittes 2005-6-9 11998 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
  UCD115842  Lepidium perfoliatum Freed W. Hoffman 1948-7-7 2545 Siskiyou Near junction of Aetna and Ft. Jones roads. Comment
  SBBG30497  Leptosiphon ciliatus D. Myrick 1968-6-25 2018 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  RSA75627  Lesquerella occidentalis Albert M. Vollmer, L. Beane 1951-5-31 24 Siskiyou Scott Mountain Comment
  JEPS80659  Leucocrinum montanum W. B. and V. G. Cooke Jun 1979 3750 Siskiyou Timber Hills Mt. Shasta (garden of Mrs. R. Bangsberg) Comment
  CAS-BOT-BC58260  Leucothoe davisiae W. B. Stephens 1922-7-9 s.n. Siskiyou Salmon Lake. Comment
  HSC18960  Lewisia cotyledon J. O. Sawyer 1969-7-1 979 Siskiyou Above Paynes Lake Creek 1951 Comment
  HSC59095  Lewisia cotyledon var. howellii Clark L. Miller 1979-4-28 2109 Siskiyou 12 mi. E of Hwy. 96 along road to Forks of Salmon Comment
  UC635337  Lewisia leeana Dorothy Tebbe 1930-7-22 13 Siskiyou Crater Lake, Mount Eddy Mount Eddy, Crater Lake Comment
  SEINET11942481  Lewisia leeana H. P. Chandler 1901-1 1609 Siskiyou near Marble Mountain, North Coast Ranges 2286 Comment
  HSC24052  Lewisia triphylla J. O. Sawyer 1971-7-2 2403 Siskiyou 1463 Comment
  UCD64279  Leymus cinereus August L. Hormay 1932-7-15 Siskiyou Weed Valley. Comment
  UC803947  Leymus triticoides G. L. Stebbins Jr., P. Dansereau, K. Narayan, and C. McMillan 1949-8-8 4015 Siskiyou 2.5 mi s Grenada (along railroad right-of-way) 792 Comment
  UCD88001  Leymus triticoides H. S. Yates 1936-6-21 5814 Siskiyou 6 miles N of Gazelle. 792 Comment
  HSC58925  Ligusticum californicum Butler 1971-8-27 203 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  UC1400380  Ligusticum grayi Frederick W. Oettinger 1968-8-3 381 Siskiyou at Base Camp Meadow Marble Mt. Wild. Area (midway down Diamond Lake-Hancock Lake trail); Salmon Mts., High Lake Basins, English Peak vicinity, Marble 2011 Comment
  RSA105417  Lilium kelleyanum G. D. Barbe 1955-6-29 47 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  CAS-BOT-BC509384  Lilium kelleyanum A. A. Heller 1905-6-13 s.n. Siskiyou Near Shasta Springs Comment
  CAS-BOT-BC130822  Lilium pardalinum Wayne Roderick 1967-7-24 s.n. Siskiyou Near Lily Pad Lake, n. of Seiad Valley 1676 Comment
  CAS-BOT-BC132995  Lilium rubescens E. K. Balls 1949-7-10 13953 Siskiyou 3 miles from Sawyers bar on rd. to Cecilville 1005 Comment
  UC705668  Lilium washingtonianum subsp. purpurascens Marion Ownbey, Fred G. Meyer 1940-7-6 2196 Siskiyou summit Cayenne Ridge (Marble Mt.); , Cayenne Ridge Comment
  JEPS58261  Linanthus bolanderi Geo. D. Butler 1909-4-26 617 Siskiyou Oro Fino Comment
  JEPS58444  Linanthus harknessii Geo. D. Butler 1910-7-7 1657 Siskiyou Shackleford Creek 1219 Comment
  UC537991  Linanthus harknessii Louis C. Wheeler 1934-7-3 2868 Siskiyou Soda Creek Siskiyou Mts., Sterling Mt. 1676 Comment
  RSA139020  Linaria dalmatica T. C. Fuller 1960-6-30 4646 Siskiyou Just N/Forest Service Station, Mt. Hebron. Comment
  UC922413  Linum lewisii Annie M. Alexander and Louise Kellogg 1949-7-29 5889 Siskiyou above Sky High Lake (Marble Mountains, Sky High Valley); Marble Mountains, Sky High Valley 1767 Comment
  HSC4907  Listera caurina J. O. Sawyer 1968-7-10 484 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  JEPS84237  Listera caurina L. R. Heckard with J. Hickman et al. 1986-7-17 6523 Siskiyou e Condrey Mt.; Alex Hole region 1980 Comment
  RSA382534  Listera convallarioides M. B. Dunkle 1944-7-4 9068 Siskiyou Beaver Creek, Siskiyou National Forest Comment
  CAS-BOT-BC36539  Lithocarpus densiflorus var. echinoides W. R. Dudley 1899-8-26 s.n. Siskiyou by trail to Eddy Mountain Comment
  CAS-BOT-BC36543  Lithocarpus densiflorus var. echinoides Alice Eastwood 1962-7-23 1350 Siskiyou Cantara Comment
  CAS-BOT-BC36545  Lithocarpus densiflorus var. echinoides Geo. B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs Comment
  UC1040688  Lithocarpus densiflorus var. echinoides Beecher Crampton 1956-8-21 3850 Siskiyou just above junction of North Fork with Middle and South Forks (canyon of the Sacramento River) 1066 Comment
  CAS-BOT-BC432317  Lithophragma campanulatum J. H. Thomas 1954-5-13 4154 Siskiyou Salmon Mountains, Klamath National Forest, near S Fork of Salmon River, 5 to 9 miles SE of Cecilville, along Rush Creek 1127 Comment
  CAS-BOT-BC432318  Lithophragma campanulatum D. E. Breedlove 1962-6-11 3346 Siskiyou On bank of Canyon Creek, about 20 miles W of Fort Jones, Marble Mountains 914 Comment
  UC1076022  Lithophragma campanulatum Herbert L. Mason 1947-5-17 14757 Siskiyou on Scott Mountain Road five mi s Callahan; s of Callahan Comment
  SEINET6032568  Lithophragma glabrum G. D. Butler 1910-3-18 1132 Siskiyou Block 5, Yreka Comment
  RSA25721  Lithospermum californicum C. B. Wolf 1941-7-26 11080 Siskiyou Sacramento River Canyon, 1 mile below Dunsmuir. 671 Comment
  UCD66463  Lolium perenne A. A. Heller 1921-7-5 13564 Siskiyou Abrams Lake, near Sisson. Comment
  SEINET8589441  Lomatium dissectum G. D. Butler 1910-5-7 1303 Siskiyou Near Yreka Comment
  HSC22217  Lomatium macrocarpum J. O. Sawyer 1969-8-1 1633 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC69749  Lomatium macrocarpum Maralyn A. Renner 1980-6-26 1268 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC22215  Lomatium macrocarpum J. O. Sawyer 1969-7-2 1037 Siskiyou Near summit above Lipstick Lake 2226 Comment
  POM132828  Lomatium macrocarpum Geo. D. Butler 1910-5-18 1359 Siskiyou Yreka Comment
  POM82359  Lomatium nudicaule Geo. D. Butler 1909-5-7 745 Siskiyou Yreka Comment
  RSA452584  Lomatium nudicaule L. C. Wheeler 1935-6-29 3623 Siskiyou Yreka 808 Comment
  UC1552566  Lomatium peckianum Joe Molter and Sandy Maurer 1988-6-3 Siskiyou ca 3 mi s Hornbrook (on e side of Klamath River); e side of Klamath River 800 Comment
  UC166104  Lomatium piperi Geo. D. Butler 1910-2-25 1115 Siskiyou Yreka Comment
  HSC4903  Lonicera conjugialis J. O. Sawyer 1968-6-18 217 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  JEPS80599  Lonicera conjugialis Gilbert Muth 1966-7-25 455 Siskiyou Marble Rim, near top of ridge Marble Mt. Wilderness Area 2042 Comment
  UC1190106  Lonicera conjugialis Ira L. Wiggins 1955-7-27 13568 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UCD137302  Lonicera conjugialis Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1716 Comment
  UCSB24455  Lonicera hispidula McMinn, Howard 1931-6-27 Siskiyou Seiad Valley to Clear Creek Comment
  CAS-BOT-BC240850  Lonicera interrupta Alice Eastwood 1912-7-28 1257 Siskiyou Hornbrook Comment
  CAS-BOT-BC243925  Lonicera involucrata var. involucrata Volney Rattan 1879-1-1 s.n. Siskiyou Happy Camp Comment
  POM17238  Lotus crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley. Comment
  RSA406113  Lotus crassifolius M. B. Dunkle 1944-7-3 9064 Siskiyou Siskiyou National Park. 1677 Comment
  JEPS55721  Lotus oblongifolius var. oblongifolius W. L. Jepson 1894-1 13791 Siskiyou Sisson Comment
  UC375399  Lotus purshianus var. purshianus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Comment
  HSC61975  Luetkea pectinata Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  HSC76969  Luetkea pectinata K. T. Stillman 1976-7-30 310 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 Comment
  JEPS84193  Luetkea pectinata L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6429 Siskiyou ca 5 mi n Seiad Valley (town) (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); e slope Kangaroo Mountain 1828 Comment
  UC1409366  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou se corner Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  SBBG28029  Luina hypoleuca C. B. Wolf 1927-8-7 Siskiyou Klamath River at the mouth of Crawford Crk Comment
  RSA604463  Luina hypoleuca L. C. Wheeler 1959-7-25 7590 Siskiyou Salmon & Marble Mountains Region: Facing the Salmon River, a few miles downstream from Forks of the Salmon. Comment
  UC725455  Lupinus A. A. Heller 1940-7-25 Siskiyou junction of Horse Camp and Panther Meadow roads on Mt. Shasta Comment
  UC173901  Lupinus adsurgens Geo. D. Butler 1909-5-8 709 Siskiyou Shasta Valley Comment
  UCR63952  Lupinus albicaulis Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  UC1034059  Lupinus albicaulis var. shastensis W. Bridge Cooke 1941-9-5 16282 Siskiyou vicinity MacBride Springs, Mt. Shasta (Mt. Shasta); , vicin MacBride Springs Comment
  HSC43827  Lupinus albifrons Maralyn O'Meara 1974-5-27 483 Siskiyou Along FS Rd. 47N03 1280 Comment
  SBBG13892  Lupinus albifrons H. and M. Dearing 1939-7-3 3812 Siskiyou Mt Etna 1219 Comment
  HSC42148  Lupinus albifrons S. Saufferer 1973-5-6 153 Siskiyou Just S of Dunsmuir on gravelly flats along Railroad Creek Comment
  CAS-BOT-BC195956  Lupinus albifrons var. albifrons Geo. D. Butler 1910-5-16 1353 Siskiyou Yreka Comment
  CAS-BOT-BC195959  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones Comment
  CAS-BOT-BC195960  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 sn. Siskiyou Near Fort Jones Comment
  SD116273  Lupinus albifrons var. collinus D. B. Dunn, B. J. Cox 1971-6-9 17937 Siskiyou 9.0 miles north of Weed, on U. S. Highway 97, at Whitney Creek. 1250 Comment
  CAS-BOT-BC196323  Lupinus albifrons var. flumineus Charles Piper Smith 1947-5-13 47271 Siskiyou 9.2 miles east of Weed. Highway 97 Comment
  CAS-BOT-BC196321  Lupinus albifrons var. flumineus K. Morris; Dunn; Kenney 1973-6-2 370 Siskiyou On the south side of Hwy 3, 22 mi E of Fort Jones Comment
  UCR37852  Lupinus andersonii K. T. Stillman 1976-8-7 197 Siskiyou Marble Mountain Wilderness Area 1829 Comment
  CAS-BOT-BC8427  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  SDSU4651  Lupinus argenteus D. F. Howe 1964-8-5 3936 Siskiyou 3 miles north of Dorris on # 97. Comment
  RSA91209  Lupinus argenteus var. argenteus F. W. Peirson 1923-7-19 3609 Siskiyou Lairds Landing. Comment
  JEPS91388  Lupinus argenteus var. heteranthus Dean W. Taylor 1987-6-6 9012 Siskiyou Egg Lake; Upper Modoc Plateau 1298 Comment
  HSC63261  Lupinus breweri M. A. Baker 1979-7-30 1082 Siskiyou Marble Mtn. Wilderness, SE of Tickner peak 2200 Comment
  UCSB24806  Lupinus croceus Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile north of Castle Lake; 10 miles southwest of town of Mt. Shasta 1676 Comment
  CAS-BOT-BC215177  Lupinus croceus Clare B. Hardham 1961-7-3 8067 Siskiyou South of Callahan Woods, Scott Mountains Comment
  CAS-BOT-BC215178  Lupinus croceus Wm. Bridge Cooke 1940-6-6 15079 Siskiyou Roadside on the way to Castle Lake 1524 Comment
  RSA211162  Lupinus croceus William J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine 1982 Comment
  SEINET10490743  Lupinus croceus var. croceus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-1 Conrad 6981 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 mi. Sw of callahan. 1524 Comment
  RSA372145  Lupinus klamathensis M. L. Conrad, David B. Dunn, P. Kenney 1973-6-2 6972 Siskiyou 1.1 mile from Interstate 5 on Highway 3, southwest of Yreka. 915 Comment
  SEINET10485428  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47274 Siskiyou 7.4 mi. E of weed. Hwy 97. Comment
  CAS-BOT-BC8326  Lupinus lapidicola Amos Arthur Heller 1920-7-9 13422 Siskiyou Mt. Eddy. Near the little lake above the head of Wagon creek. 2438 Comment
  SD88546  Lupinus lapidicola Darley F. Howe 1972-7-4 4869 Siskiyou Sanger Pass Road, stoney hilltop south of marker for Del Norte-Siskiyou county line on the road to Youngs Valley Comment
  HSC61902  Lupinus latifolius Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC162165  Lupinus latifolius var. viridifolius Geo. D. Butler 1910-6-4 1489 Siskiyou Shackleford Creek Comment
  UC33405  Lupinus lepidus var. lobbii W. C. Blasdale 1894-7-31 Siskiyou Mt. Shasta , near Black Butte (near Black Butte) Comment
  LA205119  Lupinus lepidus var. lobbii W. B. C.; 1939-7-13 13561 Siskiyou Mount Shasta, around Squaw Valley Creek meadows 2590 Comment
  JEPS57167  Lupinus lepidus var. sellulus L. R. Heckard 1967-8-13 1706 Siskiyou Mt. Eddy 2743 Comment
  UC157026  Lupinus lepidus var. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackleford Creek edge Quartz Valley; Shackleford Creek edge of Quartz Valley Comment
  POM26761  Lupinus leucophyllus Geo. D. Butler 1910-5-21 1376 Siskiyou Klamath River. Comment
  UC157000  Lupinus luteolus Geo. D. Butler 1910-6-1 1447 Siskiyou near Yreka; near Yreka Comment
  RSA583103  Lupinus luteolus Louis C. Wheeler 1935-7-3 3651 Siskiyou Yreka. 793 Comment
  SEINET8056491  Lupinus luteolus G. D. Butler 1910-6-1 1447 Siskiyou Near Yreka Comment
  RSA105765  Lupinus lyallii var. lyallii W. Bridge Cooke 1938-8-12 11463 Siskiyou Mt. Shasta 1829 Comment
  UC81983  Lupinus nanus Thos. Howell 1889-4-14 1343 Siskiyou Hornbrook; Dry hillsides Hornbrook Comment
  CDA27472  Lupinus onustus T. C. Fuller 1974-9-24 20020 Siskiyou Reeves Ranch Spring, south slope of the Siskiyou Mountains. 0 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
  SEINET10451480  Lupinus sellulus subsp. ursinus Thomas W. Nelson, Jane P. Nelson 1982-7-28 Nelson 7256 Siskiyou Siskiyou-Trinity County line. Along west side of Forest Service Road 42N17 at summit above Daed Fall Meadow. Dry serpentine hillside. 2073 Comment
  HSC14881  Lupinus subvexus var. subvexus Unknown Siskiyou Lava Beds N.M., Canby Bay 1220 Comment
  POM26284  Lupinus subvexus var. transmontanus Geo. D. Butler 1910-5-21 1373 Siskiyou Klamath hills Comment
  HSC67019  Luzula divaricata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5741 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  CHSC4312  Luzula parviflora D. Parker 1965-7-24 898 Siskiyou Near Horse Range Creek, Salmon Mt. 1828 Comment
  HSC632  Luzula parviflora William J. Ferlatte 1967-7-26 748 Siskiyou Caribou Basin, ridge W of Big Caribou Lake 2134 Comment
  HSC69538  Luzula parviflora Maralyn A. Renner 1980-8-6 2250 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC43059  Lycopus americanus K. T. Stillman 1976-8-24 450 Siskiyou Slopes on E and N sides of Williams Point 366 Comment
  RSA653985  Machaeranthera canescens var. canescens Beecher Crampton 1956-8-22 3864 Siskiyou South slope of Mt. Shasta, Wagon Camp Road, about 4 miles southwest of Panther Meadow 1829 Comment
  CAS-BOT-BC342601  Madia R. E. Frenkel 1965-6-14 943 Siskiyou On Everitt Memorial Highway, 1.7 miles north of McCloud River RR crossing near Mount Shasta 1290 Comment
  RSA237493  Madia bolanderi Frederick W. Oettinger 1968-8-11 484 Siskiyou Meadow at Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2043 Comment
  UC726610  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou near Sisson 1074 Comment
  RSA606132  Madia elegans subsp. elegans L. C. Wheeler 1935-6-13 3584 Siskiyou North side Scott River, Scott Bar Mountains 793 Comment
  HSC67935  Madia exigua J. P. Smith 1973-5-5 6529 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC344542  Madia exigua L. E. Smith 1913-6-12 353 Siskiyou Sulloway Creek Comment
  SEINET6909344  Mahonia piperiana M. K. Solecki, J. B. Taft 1986-9-9 2141 Siskiyou Along Scott River. Comment
  HSC18981  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1969-8-4 1923 Siskiyou South Sugar Creek 2043 Comment
  HSC30412  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou Marble Mtn. Wilderness Area, between granite boulders, E side of Hancock Lake 1936 Comment
  RSA105431  Maianthemum racemosum subsp. amplexicaule Milo S. Baker 1955-7-4 91 Siskiyou Klamath Mountains: 11 miles south of Etna on the North Fork of French Creek, about 1000 from Parrot Mill Rd. 976 Comment
  UC92229  Malacothrix clevelandii T. S. Brandegee July 1887 Siskiyou Sisson's Comment
  JEPS80607  Malva neglecta Gilbert Muth 1966-8-1 479 Siskiyou Marble Mountain Wilderness Area, Marble Valley Horse Pasture Marble Mountain Wilderness Area; , Marble Valley Horse Pasture 1792 Comment
  HSC63635  Marrubium vulgare J. P. Smith, Steve Selva 1970-8-8 4559 Siskiyou Juanita Lake Comment
  UCD134462  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  CAS-BOT-BC269235  Melica aristata Geo. D. Butler 1909-7-15 811 Siskiyou Russian Creek Comment
  JEPS69296  Melica aristata Geo. D. Butler 811 Siskiyou Highland Mine 1828 Comment
  LA12117  Melica aristata H. S. Yates; 1936-6-21 5833 Siskiyou 1 mi SW of Signal Butte 1341 Comment
  UC1132220  Melica aristata H. S. Yates 1936-6-21 5833 Siskiyou 1 mi sw Signal Butte 1341 Comment
  UC1265395  Melica aristata Frederick W. Oettinger 1969-9-4 1663 Siskiyou n side Tom Lake Basin (vicinity of English Peak, Marble Mt Wilderness Area, Salmon Mtns); Salmon Mtns, Marble Mt Wilderness Area 1950 Comment
  CDA32507  Melica californica F. D. Horn 1978-5-8 Siskiyou I-5 at Collier Rest Area, Hornbrook. 0 Comment
  POM114773  Melica fugax Geo D. Butler 1910-4-30 1251 Siskiyou Yreka. Comment
  UC165450  Melica fugax Geo. D. Butler 1910-4-30 1251 Siskiyou Yreka Comment
  UCD88598  Melica subulata A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3447 Siskiyou 11 miles north of Happy Camp, banks of Indian Creek. Comment
  HSC15001  Melilotus albus R. C. Wunner 1965-7-16 395 Siskiyou Lava Beds National Monument, as rd. crosses Devils' Homestead Lava Flow 1296 Comment
  HSC46768  Mentzelia dispersa William J. Ferlatte 1974-7-14 1526 Siskiyou Big Flat near S fork of the Salmon River, at edge of river below campground. 1509 Comment
  UCD102787  Micranthes bryophora Joseph M. DiTomaso 1975-9-10 320 Siskiyou Caribou side of Sawtooth Ridge. 2194 Comment
  CAS-BOT-BC432854  Micranthes tolmiei Lester Rowntree 1939-7-31 s.n. Siskiyou Caribou Lakes Comment
  HSC67937  Micropus californicus var. californicus J. P. Smith 1973-5-5 6542 Siskiyou Scott Bar along the Scott River Comment
  JEPS75973  Microseris nutans William J. Ferlatte 1974-7-14 1523 Siskiyou U.S.F.S. Campground at Big Flat; Trinity Alps. 1524 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
  POM229882  Microseris nutans L. C. Wheeler 1935-6-27 3607 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  POM35783  Microseris nutans Geo D. Butler 1910-6-4 1498 Siskiyou Shackleford Creek. Comment
  RSA211479  Microseris nutans William J. Ferlatte 1967-7-9 694 Siskiyou Trinity Alps, Kidd Creek Trail. 1677 Comment
  HSC41070  Microsteris gracilis J. O. Sawyer 1970-4-3 2056 Siskiyou Robinsons Flat, 4 mi. E of Sawyers Bar 732 Comment
  HSC61928  Microsteris gracilis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  SEINET3145680  Microsteris gracilis G. D. Butler 1910-3-28 1148 Siskiyou Yreka Comment
  RSA237549  Mimulus alsinoides Frederick W. Oettinger 1969-7-10 959 Siskiyou Cliff above southwest end of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  UC26886  Mimulus breweri Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  CDA41450  Mimulus cardinalis T. C. Fuller 1962-8-3 9503 Siskiyou Siskiyou Mountains: 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  UC618713  Mimulus guttatus W. Bridge Cooke 1938-8-5 11444 Siskiyou MacBride Springs Mount Shasta Comment
  RSA237287  Mimulus guttatus Frederick W. Oettinger 1967-6-28 142 Siskiyou On Salmon River near Kelly Gulch. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 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
  HSC421  Mimulus lewisii William J. Ferlatte 1966-8-17 386 Siskiyou Caribou Basin 1982 Comment
  RSA237575  Mimulus lewisii Frederick W. Oettinger 1969-8-21 1477 Siskiyou Ethel Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC618710  Mimulus moniliformis W. Bridge Cooke 1938-7-1 11127 Siskiyou above Bear Spring; Mount Shasta Comment
  CHSC1764  Mimulus moschatus V. Holt 1932-6-29 Siskiyou Castle Lake. 1981 Comment
  HSC42944  Mimulus moschatus var. moniliformis J. O. Sawyer, Ken Stillman 1976-7-1 2780 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA535582  Mimulus nanus var. nanus David M. Thompson 1989-6-28 1022 Siskiyou 10 mi NE of Weed along Hwy 97, NW side of road. 1150 Comment
  HSC29402  Mimulus primuloides Frederick W. Oettinger 1968-8-13 520 Siskiyou Bear Meadow near Tom's Lake 2180 Comment
  POM43848  Mimulus primuloides var. linearifolius Geo. D. Butler 1910-7-13 1770 Siskiyou Shackleford Creek. 1220 Comment
  RSA233713  Mimulus primuloides var. linearifolius Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mountains: Shasta-Trinity National Forest: 15 air miles SW of Weed near Kangaroo Lake Campground Comment
  JEPS4671  Mimulus pulsiferae Willis L. Jepson July, 1894 55 m Siskiyou Sisson Region of the Upper Sacramento Comment
  HSC46180  Minuartia douglasii Jennifer Whipple 1977-4-30 1891 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  CAS-BOT-BC388884  Minuartia douglasii Louis C. Wheeler 1934-6-4 2640 Siskiyou Klamath National Forest. Nigger Gulch 1066 Comment
  UC852409  Minuartia nuttallii subsp. gregaria A. A. Heller 1915-8-26 12219 Siskiyou near source of Wagon Creek (on canyon at upper limit of Pinus monticola); Nt. Eddy 2590 Comment
  HSC60838  Minuartia nuttallii subsp. gregaria Al Hobart Siskiyou Black Butte Comment
  HSC90442  Minuartia stolonifera Thomas W. Nelson, Jane Nelson 1985-6-19 7839 Siskiyou Along S side of Hwy. 3, 3.1 mi. N of Scott Mtn. Pass 1220 Comment
  RSA276571  Mirabilis greenei George Pilz 1973-5-26 997 Siskiyou Along the Klamath River, 1 mile W of I-5, along Route 96 700 Comment
  HSC64877  Mitella pentandra J. P. Smith, Steve Selva 1970-6-16 4069 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC62313  Mitella trifida Al Hobart 1968-6-20 Siskiyou Youngs Valley 1829 Comment
  JEPS1216  Mitella trifida Freed Hoffman 1951-7-11 4034 a Siskiyou Hammond's Stock-raising Camp Marble Mountains, Kelsey Creek (about 8 mi above Scott River, w Siskiyou Co.) 1524 Comment
  SJSU2558  Moehringia macrophylla H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr & its W branch, Siskiyou Mts 1143 Comment
  HSC24689  Monardella glauca J. O. Sawyer 1969-8-1 1674 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC58927  Monardella glauca Marvin Butler 1971-8-20 170 Siskiyou Near El Capitan, close to the town of Cave Junction 1585 Comment
  UCD77872  Monardella odoratissima Robert E. Preston 2001-6-23 1567 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  JEPS63407  Monardella odoratissima subsp. pallida W. L. Jepson 1894-8-4 50 b Siskiyou Halfway up mountain from Sisson; Mt. Shasta Comment
  JEPS94392  Monardella odoratissima subsp. pallida Vernon Oswald and Lowell Ahart 1997-7-28 8781 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49 (edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  CAS-BOT-BC222175  Monardella odoratissima subsp. pallida Doris K. Kildale 1928-8-19 6529 Siskiyou On trail from English Lake to Hancock Lake 2133 Comment
  SEINET10582375  Monardella siskiyouensis A. Graff 1993-7-24 Graff 351 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  UC524275  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou Redshale Mountain east of Medicine Lake 2133 Comment
  CHSC88108  Montia chamissoi Jenny Marr 1993-7-1 118 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC444795  Montia dichotoma Roxana S. Ferris; Laura Lorraine 1948-6-12 11845 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  POM256460  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou Indian Creek, 4 miles N of Happy Camp, Klamath National forest. 412 Comment
  RSA273301  Muhlenbergia asperifolia J. P. Smith, Steve Selva 1970-8-9 4582 Siskiyou West of Macdoel. Comment
  UCD86525  Muhlenbergia asperifolia A. A. Heller 1918-7-25 13082 Siskiyou Shasta Valley between Gazelle and Edgwood. Comment
  HSC92502  Muhlenbergia filiformis Jennifer Whipple 1977-8-5 2171 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  SEINET10599809  Muhlenbergia filiformis H. E. Brown 1897-6-11 Brown 425 Siskiyou North side Mt. Shasta. 1524 Comment
  HSC461  Muhlenbergia montana William J. Ferlatte 1966-8-3 276 Siskiyou Josephine Lake basin 1677 Comment
  CHSC71288  Myosotis discolor Vernon H. Oswald; Lowell Ahart 1998-6-11 9211 Siskiyou Old State Hwy. 0.5 mi west of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. 23 air mi northeast of Weed. Along a roadside ditch on the edge of the meadow. 1414 Comment
  SBBG59909  Myriophyllum sibiricum L. Ahart, J. Dittes 2010-7-30 16941 Siskiyou W edge of Shasta River, ca. 30 yards NW of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  SD122127  Myriopteris gracillima Robert T. Clausen, Harold Trapido 1940-7-26 4953 Siskiyou Canyon on Mud Creek, Mt. Shasta, southern Cascade Mountains 1584 Comment
  JEPS3050 Image available Nama densa John G. Lemmon 1889-6-28 Siskiyou near Edgewood; Shasta Valley; near Edgewood, Shasta Valley Comment
  JEPS94099  Nama lobbii Vernon H. Oswald and Lowell Ahart 1998-9-8 9610 Siskiyou ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir (USFS 3 ca. 0.8 mi. w. of Julia Glover Flat, ca. 2 air mi. n.w. of Indian Spring Mt.) 1127 Comment
  POM196346  Nama lobbii C. G. Pringle 1881-8-14 s.n. Siskiyou Castle Lake. 1829 Comment
  HSC12279  Narthecium californicum Richard Spjut 1970-7-17 450 Siskiyou 16 mi. W of Mt. Shasta at Gumboot Lake 1829 Comment
  HSC58938  Narthecium californicum Marvin Butler 1971-7-28 219 Siskiyou Near El Capitan 1524 Comment
  UC1409328  Narthecium californicum Frederick W. Oettinger 1968-9-8 791 Siskiyou scrib n.e. English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1935 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
  HSC60827  Navarretia capillaris Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC61789  Navarretia capillaris Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC1409296  Navarretia capillaris Frederick W. Oettinger and R. F. Thorne 1969-8-8 1306 Siskiyou drying meadow near English Lake (High Lake basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, nr English Lak 1828 Comment
  CDA37848  Navarretia intertexta Jodi Aceves 2012-7-16 PDR# 470 P027567 Siskiyou Hawkinsville. 0 Comment
  POM74489  Navarretia intertexta Edward Palmer 1892-7-13 2451 Siskiyou Mt. Shasta and vicinity. Comment
  CHSC71492  Navarretia intertexta subsp. intertexta Vernon H. Oswald; Lowell Ahart 1998-7-21 9334 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. 1402 Comment
  CAS-BOT-BC230561  Nemophila parviflora var. austiniae Geo. D. Butler 1910-4-24 1231 Siskiyou Quartz Valley Comment
  POM216006  Nemophila parviflora var. austiniae Louis C. Wheeler 1935-5-5 3462 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  POM95163  Noccaea Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek Comment
  UCD102186  Noccaea fendleri subsp. californica Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Mountain House. Klamatah National Forest. Scott Mountains. Rail Creek Road. Kangaroo Lake. Kangaroo Lake Botanical Area. 1850 Comment
  CDA11961  Nothochelone nemorosa G. F. Hrusa, R. Meese 1993-8-14 11399 Siskiyou Indian Ck. Rd. between Happy Camp, Ca. and O'Brien Or., at summit of pass just on Ca. side of state boundary. 1426 Comment
  RSA14377  Nothochelone nemorosa Elmer I. Applegate 1923-9-7 3959 Siskiyou Dry Lake Lookout Station; Doggett Ridge, Siskiyou Mountains, Klamath River watershed. Comment
  CAS-BOT-BC400116  Nuphar polysepala C. L. Hitchcock; J. S. Martin 1939-7-7 5273 Siskiyou Whiskey Lake, 1/2 mile above Camp Chicago, on Sanger Peak Trail 1463 Comment
  CAS-BOT-BC140349  Oemleria cerasiformis Doris K. Kildale 1929-4-27 7506 Siskiyou Cecilville Comment
  UCD106834  Oenothera cespitosa Geo C. Wood 1940-4-29 s.n. Siskiyou Butte Valley. Comment
  UC73298  Oenothera flava subsp. flava Milo S. Baker 1898-8-1 485 Siskiyou Medicine Lake Comment
  UC4246  Olsynium douglasii var. douglasii F. W. Hooper 1897-3-27 Siskiyou Little Shasta Comment
  UCD138859  Olsynium douglasii var. douglasii Sandra L. Holloway 1963-4-9 18 Siskiyou road to Pythian Cave, between Yreka and Grenada, west of U.S. Highway 99. 762 Comment
  CDA7582  Onopordum tauricum T. C. Fuller, W. T. Parsons 1960-7-26 4878 Siskiyou F. Voelker ranch, west edge of Meiss Lake Basin, just south of Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  SEINET13694636 Image available Onopordum tauricum T. C. Fuller 1960-4-26 s.n. Siskiyou Dorris Comment
  RSA64022  Opuntia fragilis C. B. Wolf 1944-10-28 11477 Siskiyou East side of Little Shasta Valley at Coonrod Ranch (12 miles NE of Weed, then 8 miles N on road to Montague). Comment
  HSC23614  Oreostemma alpigenum var. andersonii J. O. Sawyer 1968-7-9 1763 Siskiyou W of Little Duck Lake Comment
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Sep 26 2011
  UC1619965  Oreostemma alpigenum var. andersonii Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9357 Siskiyou ca. 5 airmi. due w. Shasta City (Morgan Meadows on e. side of Mt. Eddy); Mt. Eddy, Morgan Meadows 1676 Comment
  JEPS10831  Orobanche fasciculata Willis L. Jepson July 24, 1994-Aug 10, 1894 Siskiyou Hillside near Sisson. Comment
  UC166594  Orthilia secunda Geo. D. Butler 1908-8-4 57 Siskiyou Head of Shackleford Creek Comment
  UC630384  Orthilia secunda Annetta Carter 1939-8-21 1469 Siskiyou Canadian Zone above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2164 Comment
  CAS-BOT-BC458085  Orthilia secunda Doris K. Kildale 1928-7-4 5477 Siskiyou 3 miles W of Summit of divide between Sawyers Bar and Etna Mills Comment
  CAS-BOT-BC458094  Orthilia secunda Lester Rowntree 1937-7-8 s.n. Siskiyou Happy Camp Rd. Comment
  CHSC28801  Orthocarpus bracteosus J. D. Jokerst 1978-9-3 159 Siskiyou Five miles east of Weed. Comment
  RSA202369  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker 1963-8-19 3784 Siskiyou Upper Canyon Creek, ca 0.5 mile northeast of the Marble Mountain Guard Station, Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC7008  Orthocarpus pachystachyus Edward Lee Greene 1876-5-26 s.n. Siskiyou Near Yreka Comment
  SEINET10913365 Image available Orthocarpus pachystachyus Edward L. Greene 1876-5-26 Greene 813 Siskiyou Collected near Yreka. Siskiyou County. Comment
  HSC69331  Osmorhiza berteroi John S. Palmer 1980-8-13 759 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  RSA237405  Osmorhiza berteroi Frederick W. Oettinger 1968-8-18 566 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC69011  Osmorhiza occidentalis Maralyn A. Renner 1980-7-24 2032 Siskiyou Lily Pad Lake 1768 Comment
  HSC83920  Oxyria digyna K. Berg, Stephanie Bennett 1986-8-25 647 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  JEPS50867  Oxyria digyna Al Hobart 1967-8-8 Siskiyou n side El Capitan (just s of Youngs Valley); western Siskiyou Mountains, n side El Capitan 1828 Comment
  SJSU2592  Ozomelis trifida H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr 1143 Comment
  UC579117  Packera cana J. William Thompson 1936-7-8 13150 Siskiyou Lava Beds National Monument Comment
  CAS-BOT-BC28836  Paeonia brownii H. E. Brown 1897-7-15 564 Siskiyou South side of Mount Shasta 3048 Comment
  POM99650  Paeonia brownii Geo. D. Butler 1910-4-23 1229 Siskiyou Quartz Valley. Comment
  UCSC004589  Panicum capillare Randall Morgan 2004-5-31 4177 Siskiyou Castle Crags State Park, Sacramento River Comment
  UCD107446  Parnassia fimbriata J. M. Tucker; L. K. Mann, and S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  JEPS128828  Parnassia palustris Julie Kierstead Nelson with Martin Lenz 2017-10-3 2017 -056 Siskiyou Eastern Klamath Ranges, The Eddys; Parks Creek Road (County Rd. 17). Comment
  HSC96307  Parnassia palustris Gordon Leppig 1998-8-14 1036 Siskiyou Klamath National Forest, Russian Wilderness, in cirque W of Little Duck Lake. 2200 Comment
  JEPS23862  Pastinaca sativa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7210 Siskiyou along irrigation ditch in front of lawn of Mt. Shasta Union High School (ne outskirts of town); Mt. Shasta town (old Sisson) 1097 Comment
  JEPS11901  Paxistima myrsinites Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4788 Siskiyou upper reaches of Indian Creek Canyon (1.8 mi. below summit of rd. and Del Norte-Siskiyou Co. line, along Happy Camp-Takilma rd.) 1371 Comment
  SEINET10739292  Paxistima myrsinites Louis Krautter 1905-7-15 Krautter s.n. Siskiyou Black Butte. 1219 Comment
  RSA48235  Pectocarya penicillata Roxana S. Ferris, Laura Lorraine 1948-6-12 11785 Siskiyou Outskirts of Etna. Comment
  CAS-BOT-BC266639  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6507 Siskiyou English Lake, head of N fork of Salmon River 1828 Comment
  CAS-BOT-BC266636  Pedicularis bracteosa L. R. Short 1933-8-7 113 Siskiyou Marble Mountains, Klamath Forest 1828 Comment
  CAS-BOT-BC266645  Pedicularis bracteosa var. flavida Allen Barbour 1961-8-1 s.n. Siskiyou Upper Caribou Lake, Trinity Alps Comment
  RSA238829  Pedicularis racemosa Frederick W. Oettinger 1968-8-3 384 Siskiyou Edge of base camp meadows, near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC67689  Pellaea brachyptera Geo. D. Butler 1908-7-20 248 Siskiyou Humbug Mountain Comment
  POM299020  Pellaea brachyptera Marion Ownbey, Fred G. Meyer 1940-7-6 2198 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain. Comment
  RSA686824  Pellaea breweri M. B. Dunkle 1945-1 9216 Siskiyou Canyon Creek. Klamath National Forest, Marble Mtns. Comment
  HSC44951  Pellaea breweri J. O. Sawyer 1978-6-16 3214 Siskiyou Marble Mtn. Wilderness Area slopes 1829 Comment
  JEPS7204  Penstemon anguineus W. L. Jepson 1937-7-30 18537 Siskiyou near Poker Flat summit; Siskiyou Mts., nr Poker Flat summit 1584 Comment
  UC164290  Penstemon anguineus Geo. D. Butler 1908-8-4 432 Siskiyou head of Shackleford Creek Comment
  UCD124033  Penstemon anguineus Roman Gankin; Brewer, Hildreth, Milam 1965-8-10 604 Siskiyou summit of Indian Creek Road, 3.5 miles south of California-Oregon State line. Comment
  HSC29294  Penstemon anguineus Frederick W. Oettinger 1968-8-5 410 Siskiyou Marble Mtn. Wilderness Area, ridge between English Peak and Charmaine Lake 2024 Comment
  JEPS74563  Penstemon anguineus W. J. Ferlatte 1966-8-5 325 Siskiyou n side Caribou Mtn Trinity Alps, n side of Caribou Mtn 1981 Comment
  RSA309612  Penstemon cinereus Walter Wisura 1983-9-16 3939 Siskiyou 8.3 miles W of Macdoel along Hwy 97 Comment
  POM256802  Penstemon cinereus D. D. Keck 1940-6-13 5174 Siskiyou 9 miles S of Macdoel, on Hwy 97 between Dorris and Weed 1463 Comment
  SD86686  Penstemon davidsonii Helen V. Witham 1969-10-9 610 a Siskiyou Near creek, Panther Meadow, Mount Shasta 2400 Comment
  CAS-BOT-BC265365  Penstemon davidsonii var. davidsonii David D. Keck 1938-8-18 11493 Siskiyou Horse Camp, not too near springs, around the mountain 2286 Comment
  UCD124066  Penstemon davidsonii var. davidsonii Dean Wm. Taylor 1975-8-14 5359 Siskiyou Mount Shasta: between Shasta Ski area and Green Butte. 2590 Comment
  CDA17144  Penstemon deustus G. F. Hrusa 2001-6-6 15858 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  HSC72491  Penstemon deustus J. P. Smith, Steve Selva 1970-6-16 4073 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  SJSU7926  Penstemon deustus J. W. Tilden 1958-6-26 1270 Siskiyou near Monument Headquarters, Lava Beds National Monument Comment
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Jun 9 2009
  HSC26563  Penstemon gracilentus J. P. Smith, J. O. Sawyer 1972-8-20 5755 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC69264  Penstemon gracilentus J. O. Sawyer, J. Cole 1980-7-20 3737 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  SBBG21884  Penstemon gracilentus D. Myrick 1964-8-25 950 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  POM251095  Penstemon gracilentus W. Bridge Cooke 1938-8-21 11547 Siskiyou Mt Shasta. Lava flats at Horse camp. 2439 Comment
  NY601606  Penstemon heterodoxus var. shastensis F. W. Pennell 1940-7-20 26201 Siskiyou Route 89, west of Bartle 1158.2 Comment
  HSC20973  Penstemon humilis subsp. humilis R. C. Wunner 1965-6-10 155 Siskiyou Lava Beds National Monument, Caldwell Butte above Caldwell Minor 1463 Comment
  NY603693  Penstemon humilis var. humilis K. A. Vincent 1987-6-28 4441 Siskiyou Cascade Range, Mt. Shasta; between Mt. Shasta and the Whaleback, along Andesite - Military Pass Road, ca. 4.6 miles southeast of jct. US 97 located 14.4 miles northeast of jct. US 97 and I-5 Business Loop in Weed. 1554.5 Comment
  HSC60145  Penstemon laetus subsp. sagittatus D. L. Goforth 1979-7-7 229 Siskiyou Klamath National Forest, Condrey Mtn. 1768 Comment
  HSC97132  Penstemon laetus subsp. sagittatus L. Ahart, John Dittes 2005-6-9 12029 Siskiyou Hill, S of rock fence, 100 yds. NE of where cattle water in Shasta River, 3/5 mi. S of Hwy. 99/97 Cutoff, 2.5 mi. ESE of Grenada 775 Comment
  CDA41853  Penstemon laetus subsp. sagittatus T. C. Fuller 1958-6-19 1894 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  RSA0006172  Penstemon laetus subsp. sagittatus H. E. Brown 1897-6-11 360 Siskiyou North side, Mt. Shasta. 1524 Comment
  UC1238948  Penstemon laetus var. sagittatus Freed W. Hoffman 1950-7-13 3491 Siskiyou 1.1 mi ne Baldy Lookout (western Siskiyou County); North Coast Ranges, ne of Baldy Lookout Comment
  UC722757  Penstemon laetus var. sagittatus C. L. Hitchcock, J. S. Martin 1939-7-6 5210 Siskiyou on Takilma-Happy Camp Road 1676 Comment
  NY604546  Penstemon laetus var. sagittatus F. W. Pennell 1940-7-19 26193 Siskiyou Southwestern slope of Mount Shasta 1676.4 Comment
  RSA401782  Penstemon newberryi Louis C. Wheeler 1935-6-27 3605 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  CDA41850  Penstemon newberryi T. C. Fuller 1962-6-28 8952 Siskiyou Highway 99, 0.7 mile north of Black Butte Summit, 4.6 miles south of Weed. 0 Comment
  NY627432  Penstemon newberryi var. berryi F. W. Pennell 1940-7-17 26170 Siskiyou Salmon Mountains, west of Etna 1828.8 Comment
  JEPS5707  Penstemon newberryi var. newberryi W. L. Jepson Jul 1894 21414 Siskiyou Muir Peak ((Black Butte), Sisson Comment
  SFV10464  Penstemon newberryi var. newberryi M. L. Vincent 1967-6-29 723 Siskiyou On Mount Shasta. 2134 Comment
  UCSB27383  Penstemon newberryi var. newberryi Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 3200 Comment
  LA28289  Penstemon newberryi var. sonomensis Harvey P. Chandler; June 1901 1599 Siskiyou near Marble Mountain 2133 Comment
  CHSC1880  Penstemon parvulus V. Holt 1943-7-10 Siskiyou Marble mountains. 1828 Comment
  CHSC31045  Penstemon parvulus M. S. Taylor 1980-7-8 3114 Siskiyou On ridge s of Castle Lake, above Hearts lake. 1879 Comment
  CHSC99700  Penstemon parvulus L. P. Janeway 2008-7-24 9488 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. Open ridgetop. 2050 Comment
  HSC19164  Penstemon parvulus J. O. Sawyer 1969-8-5 1948 Siskiyou Along S Sugar Creek 1921 Comment
  HSC74931  Penstemon parvulus J. P. Smith, Jennifer Whipple 1978-7-2 9974 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC690225  Penstemon parvulus Isabelle C. Kimber 1934-6-9 31 Siskiyou just above Ney Creek confluence with Sacramento River (Steelbridge Camp); Sacramento River 731 Comment
  UCR45385  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6168 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CHSC1883  Penstemon procerus subsp. formosus V. Holt 1932-6-26 Siskiyou Mt. Eddy. 2133 Comment
  HSC21  Penstemon procerus var. brachyanthus William J. Ferlatte 1966-6-22 81 Siskiyou Josephine Lake Basin 1677 Comment
  UC1034022  Penstemon roezlii Francis W. Pennell 1940-7-20 26206 Siskiyou Route 89 e Bartle (w of Dead Horse Summit); , e of Bartle 1158 Comment
  UC1045256  Penstemon roezlii W. Bridge Cooke 1940-7-26 15389 Siskiyou along the junction of the Memorial Highway and the Wagon Camp Road; Mount Shasta 1828 Comment
  UC163964  Penstemon roezlii Geo. D. Butler 1910-6-9 1579 Siskiyou foothills of the Goosenest Mountains 1386 Comment
  UC1212118  Penstemon roezlii F. Chisaki, G. Newcomb 1958-6-22 1160 Siskiyou between Ft. Jones and Gazelle (9.6 mi on road from Ft. Jones to Gazelle) 9.4 mi s from road to Duzel Rock; , btw Ft. Jones and Gazelle 1645 Comment
  CHSC31037  Penstemon rupicola M. S. Taylor 1980-7-8 3094 Siskiyou W end of Little Castle Lake, near where creek enters the lake. 1767 Comment
  POM252936  Penstemon shastensis A. A. Heller 1938-7-13 15269 Siskiyou Along US Hwy 97, just south of Bray. 1402 Comment
  HSC21060  Penstemon speciosus R. C. Wunner 1965-6-29 291 Siskiyou California Lava Beds National Monument, 1/2 mi. above Mammoth Crater at Tichner Junction 1616 Comment
  RSA105469  Penstemon speciosus G. D. Barbe, Milo S. Baker 1955-7-1 78 Siskiyou 7 miles S of Etna on the Westside Rd. to Callahan. 869 Comment
  HSC69081  Perideridia howellii Maralyn A. Renner 1980-8-4 2220 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC222757  Perideridia leptocarpa H. A. Thomas; J. H. Thomas 1954-7-23 4455 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Mt. View Cabin and S. Fork of Salmon River 914 Comment
  UC1312870  Perideridia oregana L. Constance, T. I. and Fei-Mei Chuang, M. Sousa S. 1966-6-15 3767 Siskiyou US Hwy 99W 1.5 mi n Edgewood turnoff 91 Comment
  UC906660  Perideridia parishii subsp. latifolia Joseph P. Tracy 1949-9-16 18570 Siskiyou summit of road from Callahan to Trinity Center; Scott Mt. 1615 Comment
  HSC97684  Phacelia corymbosa Thomas W. Nelson, Jane Nelson 2006-7-1 9454 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  UC164114  Phacelia corymbosa Geo. D. Butler 1910-5-4 1280 Siskiyou dry hill near Yreka Comment
  JEPS81016  Phacelia egena James Payne Smith Jr. 1976-5-22 8784 Siskiyou Callahan Rd along e side of valley Scott Valley 1036 Comment
  RSA120921  Phacelia greenei Milo S. Baker s.n. Siskiyou Along road to summit Scott Mountain 1646 Comment
  RSA94034  Phacelia greenei R. C. Barneby 1954-5-16 11530 Siskiyou 6 miles SW of Yreka 976 Comment
  JEPS2080  Phacelia heterophylla subsp. virgata Geo. D. Butler 1909-5-8 743 Siskiyou near Yreka Comment
  RSA789606  Phacelia heterophylla subsp. virgata R. W. Spjut, Paul Burchstead 2008-6-10 16337 Siskiyou Cascade Mountains. Just north of Mt. Shasta City along old highway west of I-5. 1158 Comment
  UC1084699  Phacelia heterophylla subsp. virgata Milo S. Baker 1957-6-15 13117 Siskiyou road cut just s Weed; North Coast Ranges Comment
  CDA40413  Phacelia heterophylla subsp. virgata E. Hale 1984-5-8 s.n. Siskiyou At junction of Shasta and Klamath Rivers, near Yreka. 0 Comment
  RSA170279  Phacelia heterophylla subsp. virgata W. L. Jepson 1940-6-23 20012 Siskiyou Andesite station, north of Mount Shasta. 976 Comment
  HSC96659  Phacelia leonis Thomas W. Nelson, Susan Erwin 2004-6-3 9219 Siskiyou Along Hwy. 3 at mile post 84.14, .3 mi. from Scott Mountain Pass 1552 Comment
  OBI13758  Phacelia leonis Unknown 1960-7-20 3691 Siskiyou Twin Valley, ca. 5 mi SW of Poker Flat, Siskiyou Mtns 1554 Comment
  JEPS105288  Phacelia linearis Dean W. Taylor 1995-6-4 14969 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UC536685  Phacelia linearis D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou caves 11 mi ne Weed 1097 Comment
  HSC2372  Phacelia mutabilis William J. Ferlatte 1966-6-23 146 Siskiyou Big Flat, near public camp 1524 Comment
  HSC61877  Phacelia mutabilis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS80514  Phacelia mutabilis Gilbert Muth 1966-7-22 439 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  UCD120644  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
  POM65547  Phacelia mutabilis E. B. Copeland 1903-8-16 3920 Siskiyou Mt. Shasta. Comment
  CDA21190  Phacelia pringlei Ogden 2007-5-23 PDR 1365288 Siskiyou Northern California; McDonald Lane in Weed. 0 Comment
  RSA755541  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  SEINET12280311  Phacelia pringlei Unknown 1953-1 105 Siskiyou Cabin Meadow, 1 mi N of Cory Peak, Klamath National Forest 1844 Comment
  CHSC75734  Philadelphus lewisii Vernon H. Oswald; Lowell Ahart 1999-7-5 9799 Siskiyou Gazelle-Callahan Hwy, 9.0 mi west of Gazelle. 914 Comment
  RSA0057590  Philadelphus lewisii Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  UC642574  Phleum alpinum W. Bridge Cooke 1939-7-26 13750 Siskiyou above Panther Creek Meadows Mount Shasta; , above Panther Creek Meadows Comment
  UCD89313  Phleum alpinum Hursh 1919-9-11 X 3256 Siskiyou Grass Garden Herbarium. Comment
  UC602589  Phlox unknown 1938-6-24 11064 Siskiyou MacBride Springs Mt. Shasta 1524 Comment
  UCSB22299  Phlox adsurgens Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass; north of Seiad Valley 1341 Comment
  CAS-BOT-BC294730  Phlox adsurgens James Vale 1980-7-24 s.n. Siskiyou Out of Happy Camp, road to Oregon Comment
  RSA495514  Phlox adsurgens Elaine Joyal, D. Mehlman 1988-6-25 1275 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  SJSU6499  Phlox adsurgens R. W. Trivelpiece 1972-6-24 130 Siskiyou Thompson Ridge 5 mi E of Indian Cr Fork of Klamath R c. 11 mi N of Happy Camp 1280 Comment
  UC1034037  Phlox austromontana unknown 1941-8-21 16239 Siskiyou between Cascade Gulch and Diller Canyon; Mt. Shasta 2590 Comment
  UC1409303  Phlox austromontana Frederick W. Oettinger 1969-7-10 964 Siskiyou s of Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  UC589664  Phlox austromontana Douglas Horn 1938-4-17 38 Siskiyou e of Etna 975 Comment
  UC643265  Phlox caespitosa unknown 1940-7-26 15382 Siskiyou w side Shastina; Mount Shasta Comment
  RSA120867  Phlox diffusa subsp. diffusa Wagnon 1957-8-11 1703 Siskiyou East slope of Mt. Shasta in meadow ca. 1 mile west of Military Pass Road along road to Brewer Cr. Comment
  RSA78684  Phlox diffusa subsp. diffusa P. A. Munz 1952-7-2 17881 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  UC880428  Phlox douglasii subsp. rigida L. E. Smith 1913-1 Siskiyou Mt. Shasta Comment
  UC880435  Phlox douglasii subsp. rigida A. A. Heller 1915-7-15 12084 Siskiyou Mt. Eddy 2072 Comment
  JEPS93165  Phlox hirsuta Grant and Virginia Fletcher 1995-5-27 VGF 14 Siskiyou e. Yreka (China Hill, North-East Hill's Addition, w.-facing slope from Chinese Cemetery (Montague Rd.) on s. to crest & down to base of hill); Montague Quad. 1984, China Hill 900 Comment
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Apr 3 2009
  POM75054  Phlox hirsuta Geo D. Butler 1910-4-10 1165 Siskiyou Yreka. Comment
  SEINET10638272  Phlox hirsuta Edward L. Greene 1876-1 Siskiyou Comment
  RSA469941  Phlox speciosa subsp. nitida J. P. Smith 1973-5-5 6546 Siskiyou Scott Bar along the Scott River. Comment
  UC166047  Phoenicaulis cheiranthoides Geo. D. Butler 1910-5-7 1296 Siskiyou near Yreka Comment
  CAS-BOT-BC135025  Phoradendron bolleanum Alice Eastwood 1922-10-23 11559 Siskiyou Yreka Comment
  LA209831  Phoradendron juniperinum subsp. juniperinum Wm. Bridge Cooke; 1939-7-21 13699 Siskiyou Mount Shasta, on the SW side of the mountain. Howard 1219 Comment
  UCR168480  Phragmites australis L. C. Wheeler 1934-10-21 3335 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  CAS-BOT-BC56499  Phyllodoce empetriformis Mrs. H. P. Bracelin 1931-6-21 458 Siskiyou North side of Mt. Eddy above Dobkin's Lake 2133 Comment
  HSC76940  Phyllodoce empetriformis K. T. Stillman 1976-7-14 230 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  JEPS66653  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou at extreme head of West Fork Knownothing Creek (on ridge between Salmon and New Rivers, Rock Lake); Rock Lake, West Fork Knownothing Creek 1889 Comment
  POM131811  Phyllodoce empetriformis E. B. Copeland 1902-8-18 3899 Siskiyou Mt. Eddy 2591 Comment
  UCD117723  Phyllodoce empetriformis Dean William Taylor 1972-7-3 1614 Siskiyou Near Little Duck Lake. 1981 Comment
  CDA5832  Physalis longifolia G. Deal 1967-8-21 Siskiyou A. Beltramo property, Gazelle. 0 Comment
  CAS-BOT-BC140593  Physocarpus capitatus Grant 1902-9-13 5182 Siskiyou Dunsmuir Comment
  HSC67756  Picea breweriana John Palmer 1980-7-24 578 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  SJSU14645  Picea breweriana C. L. Schmidt 1981-8-13 Siskiyou Josephine Lake near Sawtooth Ridge, Trinity Alps 1950 Comment
  JEPS35939  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans, and finally one takes the Dillon Mountain road) 1219 Comment
  CAS-BOT-BC73434  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou North Coast Ranges - Sugar Creek, a tributary of the Scott River. Mount Diablo Meridian. 1432 Comment
  POM120194  Pinus attenuata Geo D. Butler 1908-8-26 518 Siskiyou Russian Creek 1220 Comment
  CAS-BOT-BC73311  Pinus balfouriana Edna Kelsey 1961-8-1 s.n. Siskiyou Summit of Marble Mt., Marble Mts. Comment
  HSC31504  Pinus balfouriana Steve Selva, Roger Jensen 1974-8-25 50 Siskiyou Top of ridge S of Little Duck Lake Comment
  SBBG25361  Pinus balfouriana J. M. Tucker, L. Mann, S. L. Holloway 1963-8-18 3769 Siskiyou SW ridge of Black Marble Wilderness Area 2133 Comment
  UC55641  Pinus balfouriana Harley P. Chandler 1901-6-1 1683 Siskiyou Marble Mt. North Coast Ranges 2438 Comment
  HSC92115  Pinus balfouriana subsp. balfouriana Jennifer Whipple 1976-8-21 1733 Siskiyou S face of Mt. Eddy draining into N Fork of the Sacramento River 2378 Comment
  HSC31498  Pinus contorta var. murrayana Steve Selva, Roger Jensen 1974-8-16 20 Siskiyou N shore of Sugar Lake. Comment
  RSA0116404  Pinus contorta var. murrayana E. R. Johnson 1928-8-31 1196 Siskiyou 10 miles East of Bartle. Comment
  HSC69371  Pinus monticola J. O. Sawyer, J. Cole 1980-7-19 3673 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  SD76165  Pinus monticola Helen V. Witham 1969-10-6 555 Siskiyou Scott Mountains, steep west slope above Kangaroo Lake 2100 Comment
  HSC1538  Pinus ponderosa D. M. Thomson 1965-8-14 192 Siskiyou California Lava Beds National Monument; on Tichner Rd. at Tichner Cave Comment
  UC401411  Pinus ponderosa Geo. D. Butler 1908-7-12 1097 Siskiyou Humbug Mountain Comment
  CDA5732  Plagiobothrys bracteatus L. Ahart, J. Dittes 2005-6-9 12035 Siskiyou About 50 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. Comment
  UC164106  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou near Yreka Comment
  HSC46183  Plagiobothrys tenellus Jennifer Whipple 1977-4-30 1873 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC92097  Platanthera dilatata var. leucostachys Jennifer Whipple 1976-7-24 1565 Siskiyou Mount Eddy. SW of Dobkins Lake, along drainage into lake 2226 Comment
  HSC35343  Platanthera sparsiflora J. P. Smith, J. O. Sawyer 1973-8-14 7313 Siskiyou Around Cliff Lake 1860 Comment
  HSC67533  Plectritis congesta J. P. Smith 1973-5-5 6568 Siskiyou Scott Bar along the Scott River Comment
  RSA238571  Pleuricospora fimbriolata Frederick W. Oettinger 1969-7-29 1107 Siskiyou Just N. of Uncles' Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UCD80890  Poa Robert E. Preston 2001-6-23 1557 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1767 Comment
  UCD90546  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou East side of Mt. Eddy. 2438 Comment
  SEINET10659111  Poa bolanderi George D. Butler 1910-7-12 Butler 1750 Siskiyou Dry shady woods, Shackleford Creek. Comment
  CDA2381  Poa bulbosa T. C. Fuller 1958-6-19 1829 Siskiyou Railroad yard, Montague. 0 Comment
  CAS-BOT-BC255147  Poa cusickii subsp. epilis Alice Eastwood 1921-7-28 10932 Siskiyou Medicine Lake Comment
  CAS-BOT-BC256021  Poa pratensis John Thomas Howell 1937-7-23 13347 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC38849  Poa pratensis J. P. Smith, Steve Selva 1970-6-16 4074 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  RSA238410  Poa pratensis Frederick W. Oettinger 1969-8-5 1191 Siskiyou English Lake to Abbotts. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CHSC86460  Poa pratensis subsp. pratensis Jenny Marr 1993-7-1 77 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CAS-BOT-BC247532  Poa pringlei Gilbert Muth 1966-7-31 473 Siskiyou North side of Black Mountain, Marble Mts. 2042 Comment
  CAS-BOT-BC443956  Poa pringlei Dana York 2012-7-21 3142 Siskiyou Siskiyou Mountains. Klamath National Forest, Siskiyou Mountains, a few meters below summit of Red Butte. 2040 Comment
  HSC2386  Poa pringlei William J. Ferlatte 1966-8-4 301 Siskiyou Dorleska summit 2134 Comment
  JEPS82332  Poa pringlei Roger Raiche 1983-8-13 30595 Siskiyou summit area Mt Eddy 2743 Comment
  HSC77053  Poa secunda subsp. secunda K. T. Stillman 1976-8-7 174 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  JEPS33848  Poa secunda subsp. secunda Gilbert Muth 1966-7-31 477 Siskiyou n side Black Mt; Marble Mt Wilderness Area 2057 Comment
  CAS-BOT-BC244322  Podagrostis humilis Beecher Crampton 1956-8-21 3860 Siskiyou Panther Meadow, S slope of Mount Shasta 2316 Comment
  JEPS121612  Podagrostis thurberiana Kendra Sikes 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Gently sloping wet meadow, W aspect, over gabbro. China Mountain quadrangle. CLB_1 #B Comment
  JEPS69921  Polemonium californicum Geo. D. Butler 1908-8-8 29 Siskiyou foot of bluff Marble Valley 1676 Comment
  RSA365430A  Polemonium carneum M. B. Dunkle 1944-1 9048 Siskiyou Siskiyou National Forest Comment
  UC796566  Polemonium micranthum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11836 Siskiyou road between Callahan and Gazelle (Gazelle Mountain grade); , rd btw Callahan and Gazelle 1499 Comment
  CAS-BOT-BC231305  Polemonium pulcherrimum L. R. Short 1933-8-6 21 Siskiyou Klamath National Forest. Bear Lake, Marble M. 2072 Comment
  CAS-BOT-BC170326  Polygala cornuta var. cornuta Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC170329  Polygala cornuta var. cornuta Alice Eastwood 1917-9-2 6707 Siskiyou Shasta Springs Comment
  UC719803  Polygala cornuta var. cornuta Rogers McVaugh 1941-8-4 6232 Siskiyou rocky banks n Shasta Retreat; Sacramento R. Comment
  HSC17463  Polygonum aviculare Geo. D. Butler 1908-6-24 181 Siskiyou Butler's Ranch near Yreka Comment
  RSA237757  Polygonum bistortoides Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1286 Siskiyou Sundew Bog due E of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC95028  Polygonum davisiae R. C. Wenk 2005-7-19 325 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  UC163657  Polygonum davisiae Geo. D. Butler 1908-8-5 187 Siskiyou West Fork of Woolly Creek Comment
  UC917356  Polygonum davisiae R. Tofsrud and J. M. Tucker 1948-8-2 1760 Siskiyou Meadows Mt. Shasta (s s lope of mt.) 2407 Comment
  HSC22416  Polygonum douglasii J. O. Sawyer 1969-7-25 1529 Siskiyou Southeast facing slope above Sugar Lake 1845 Comment
  UC1112877  Polygonum douglasii subsp. spergulariiforme Barbe 1957-7-13 379 Siskiyou Big Flat Public Camp Klamath National Forest (w side, w slope along path to spring) 1524 Comment
  RSA237761  Polygonum kelloggii Frederick W. Oettinger 1969-7-11 975 Siskiyou Along trail just NW of falls, Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  CAS-BOT-BC418597  Polygonum minimum Geo. D. Butler 1910-7-13 1776 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC418598  Polygonum minimum G. J. Muth 1969-8-8 1279 Siskiyou Gap Meadow, Boulder Peak Ridge Comment
  RSA65857  Polygonum minimum Louis C. Wheeler 1934-8-13 11430 Siskiyou Johnson Dairy, Siskiyou Mts. 1829 Comment
  CAS-BOT-BC419873  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1948-7-17 13595 Siskiyou Eastern Grass Lake Comment
  RSA312534  Polygonum polygaloides subsp. confertiflorum H. L. Mason 1948-7-17 13595 Siskiyou Eastern Grass Lake. Comment
  CAS-BOT-BC420067  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-29 10954 a Siskiyou Medicine Lake Comment
  CAS-BOT-BC420074  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-29 10954 Siskiyou Medicine Lake Comment
  UC850369  Polygonum sawatchense subsp. sawatchense A. A. Heller 1916-6-20 12403 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  CAS-BOT-BC421065  Polygonum spergulariiforme A. A. Heller 1914-8-28 11725 Siskiyou East side of Mt. Eddy 1371 Comment
  HSC68533  Polypodium californicum Maralyn A. Renner 1980-6-25 1095 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  UC637168  Polypodium calirhiza Edward Lee 1934-8-13 1056 Siskiyou 4 mi n Happy Camp (Indian Creek); Klamath Nat'l Forest 411 Comment
  UC673174  Polypodium glycyrrhiza Lincoln Constance and Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath River 4 mi e of Seiad; Klamath-Siskiyou Region 457 Comment
  HSC103017  Polypogon maritimus J. P. Smith 2014-6-6 13874 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  CHSC36  Polystichum imbricans V. Holt 1932-8-17 Siskiyou Spring Hill. 1219 Comment
  CAS-BOT-BC76734  Polystichum imbricans subsp. imbricans Donald L. Branscomb 1958-7-1 s.n. Siskiyou Mount Shasta Comment
  HSC34350  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7303 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  UC197929  Polystichum lemmonii J. G. Lemmon and wife 1879-1 Siskiyou Mt. Shasta [This site is unlikely to be on Mount Shasta since there is no serpentine on the higher slopes of the mountain] Comment
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Jul 5 2012
  HSC79182  Polystichum lemmonii C. J. Thomas 1983-10-1 73 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  JEPS50871  Polystichum lonchitis Al Hobart 1967-8-8 Siskiyou n face Preston Peak; Siskiyou Range, westernmost Siskiyou County 1828 Comment
  UC1593364  Polystichum munitum Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2542 Siskiyou at base of entrance Fossil Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  HSC61124  Polystichum munitum Ruby Van Deventer 1955-8-3 Siskiyou USFS Rd. 17N04, Doe Flat Comment
  UC642545  Polystichum scopulinum W. R. Maxon 1939-7-26 13744 Siskiyou w boreal spring above Panther Creek Meadows; Mt. Shasta Comment
  UC1481732  Polystichum scopulinum Lefebvre 1941-10-4 Siskiyou trail from Castle Lake to Little Castle Lake Comment
  HSC99280  Populus trichocarpa Frank T. Callahan May 2007 Siskiyou Moffett Creek Comment
  CHSC69075  Porterella carnosula Vernon Oswald; Lowell Ahart 1997-7-28 8806 Siskiyou Large, vernally flooded meadow on the east side of Forest Route 15, 10.9 mi north of Hwy. 89. 1383 Comment
  HSC79092  Potamogeton natans Paul Wilson 1984-8-26 356 Siskiyou Juanita Lake Reservoir 1555 Comment
  UC1023838  Potamogeton pectinatus Douglas Barbe 1955-6-29 51 Siskiyou 4.1 mi se of Etna (on the Eastside Road, Klamath Mountains); Klamath Mountains 914 Comment
  SEINET10501887  Potamogeton richardsonii Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 343 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  CAS-BOT-BC267227  Potamogeton robbinsii John Thomas Howell 1939-8-9 15196 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  JEPS94254  Potentilla anserina subsp. anserina Vernon H. Oswald and Lowell Ahart 1998-6-11 9212 Siskiyou Old State Highway 0.5 mi w of Bray (10 air mi e of Grass Lake located on Highway 97, 23 air mi ne of Weed); Old State Highway 1414 Comment
  CAS-BOT-BC143181  Potentilla breweri John Thomas Howell 1939-8-2 14903 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC143183  Potentilla breweri John Thomas Howell 1937-7-25 13468 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC2409  Potentilla flabellifolia William J. Ferlatte 1966-8-5 335 Siskiyou Caribou Mtn. 2470 Comment
  RSA237856  Potentilla glandulosa var. nevadensis Frederick W. Oettinger 1968-8-15 526 Siskiyou E side of Hancock lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC540556  Potentilla gracilis var. fastigiata A. A. Heller 1915-8-26 12232 Siskiyou North side of Mt. Eddy 1981 Comment
  CAS-BOT-BC540559  Potentilla gracilis var. fastigiata A. A. Heller 1918-7-16 13030 Siskiyou Mt. Eddy west of Sisson 2651 Comment
  CAS-BOT-BC540560  Potentilla gracilis var. fastigiata A. A. Heller 1918-7-16 13030 Siskiyou Mt. Eddy west of Sisson 2651 Comment
  POM36721  Potentilla gracilis var. fastigiata Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley. Comment
  RSA237628  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Horse Range Lake meadow. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CHSC93542  Potentilla millefolia Lowell Ahart; John Dittes 2005-6-10 12095 Siskiyou Steep springy slope, 30 yards east of the Shasta River, near the south fence, 100 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
  UC191277  Potentilla millefolia M. K. Curran July 1887 Siskiyou Edgewood Comment
  CHSC71500  Potentilla newberryi Vernon H. Oswald; Lowell Ahart 1998-7-21 9343 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  HSC83923  Primula suffrutescens K. Berg, Stephanie Bennett 1986-8-25 645 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  CAS-BOT-BC516382  Prosartes hookeri Geo. D. Butler 1908-8-24 93 Siskiyou Eldridges Corral, Russian Creek Comment
  UC1034608  Prunella vulgaris var. lanceolata Douglas Barbe 1955-6-29 40 Siskiyou on the s bank of Scott River 1.8 mi e Callahan; Klamath Mountains, bank of Scott River 975 Comment
  UC1282022  Prunella vulgaris var. lanceolata Louise Kellogg Aug 8 1953-Aug 9 1953 121 Siskiyou Scott Mountain Public Campground; Klamath National Forest, Scott Mountains 1630 Comment
  UC456106  Prunella vulgaris var. lanceolata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC158218  Prunus emarginata Roxana S. Ferris; Laura Lorraine 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  CAS-BOT-BC158227  Prunus emarginata Ella Dales Cantelow 1936-5-20 1401 Siskiyou Summit of Salmon Mt. 1818 Comment
  CAS-BOT-BC158228  Prunus emarginata Gilbert Muth 1966-7-8 373 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  HSC96830  Prunus emarginata S. Lyon, J. McIntire 2006-6-25 31 Siskiyou 50 ft. E of intersection of FS 39N14 and 39N04 on 39N14 1616 Comment
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Nov 3 2014
  RSA211180  Prunus emarginata William J. Ferlatte 1967-6-27 532 Siskiyou Big Flat 1524 Comment
  UC166615  Prunus emarginata Geo. D. Butler 1908-8-26 537 Siskiyou Salmon Mountain Comment
  UCSB23231  Prunus emarginata Keefe, Joseph 1967-7-11 Siskiyou East shore of Castle Lake, 10 miles southwest of city of Mt. Shasta. 1706 Comment
  POM88254  Prunus subcordata Geo. D. Butler 1909-4-14 644 Siskiyou Humbug divide. Comment
  SBBG27199  Prunus subcordata L. Constance, R. C. Rollins 1942-5-14 2922 Siskiyou rd to Walker Post Office, 3 mi W of Yreka 1219 Comment
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Mar 27 2013
  CAS-BOT-BC154674  Prunus subcordata E. R. Johnson 1928-8-31 1195 Siskiyou West edge of Lava Beds between Bartle & Lookout Comment
  CAS-BOT-BC151231  Prunus virginiana var. demissa L. E. Smith 1913-9-14 s.n. Siskiyou Mt. Eddy Comment
  UC154510  Prunus virginiana var. demissa Harley P. Chandler June, 1901 1631 Siskiyou Klamath River to Marble Mountain; North Coast Ranges 2133 Comment
  UC52251  Prunus virginiana var. demissa W. T. Mooney May 1903 Siskiyou Yreka Comment
  CAS-BOT-BC239812  Pseudoroegneria spicata Dr. E. B. Copeland 1903-7-4 3540 Siskiyou Klamathon Comment
  CHSC34832  Pseudostellaria jamesiana M. S. Taylor 1980-6-23 2941 Siskiyou On e side of 39N45, in Soapstone Gulch, ca. 2 mi s of its jct with Hwy 26, ca. 8 mi sw of Mt. Shasta City. 1676 Comment
  RSA49964  Pseudostellaria jamesiana E. K. Balls 1949-7-8 13897 Siskiyou Trail to Carmel Lake from Scott Mountain Camp, Scott Mtn. 1753 Comment
  CAS-BOT-BC80165  Pseudotsuga menziesii W. B. C. 1938-9-2 11596 Siskiyou Sisson Southern Trail 1524 Comment
  CAS-BOT-BC80166  Pseudotsuga menziesii W. B. C. 1938-9-2 11596 Siskiyou Sisson Southern Trail 1524 Comment
  HSC68379  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-6-26 1209 Siskiyou N edge of Flint Valley 1390 Comment
  HSC69140  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-8-8 2477 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  NY63884  Pseudotsuga menziesii var. menziesii D. B. Dunn 1973-6-3 20650 Siskiyou Vicinity of the campground on the Salmon River, 8.3 miles west of Cecilville Comment
  HSC17963  Pterospora andromedea R. C. Wunner 1965-7-17 399 Siskiyou Lava Beds National Monument. Along upper edge of Black Lava flow near Old Ticner Rd. 1616 Comment
  RSA715803  Puccinellia distans L. Ahart 2005-6-9 12002 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC1181816  Purshia tridentata var. tridentata Dorothy Parker 1950-5-21 437 Siskiyou near Kidder Creek; Siskiyou Mountains, Scott Valley 883 Comment
  CAS-BOT-BC460858  Pyrola aphylla H. A. Thomas; J. H. Thomas 1954-7-21 4413 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  CAS-BOT-BC460867  Pyrola aphylla G. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  CAS-BOT-BC460868  Pyrola aphylla Wm. Bridge Cooke 1938-8-5 11455 Siskiyou Mount Shasta. Along the Sisson Southern Trail. 1676 Comment
  RSA0082800  Pyrola aphylla Frederick W. Oettinger 1969-8-9 1324 Siskiyou Along main trail (North fork of Salmon River) between 5 mile Stock Gate and Abbott's Upper Cabin. 1098 Comment
  CHSC1410  Pyrola asarifolia subsp. asarifolia V. Holt 1932-6-28 Siskiyou S. S. Campus, Mt. Shasta City. 1097 Comment
  HSC92973  Pyrola dentata Jennifer Whipple 1977-8-4 2161 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2195 Comment
  CAS-BOT-BC462543  Pyrola dentata Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Near Cedar Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC462801  Pyrola dentata Doris K. Kildale 1929-7-20 8646 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  CAS-BOT-BC462803  Pyrola dentata W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  UC585173  Pyrola picta E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1992 A Siskiyou East and Northeast slope of spur of Rainbow Ridge above Sulloway Creek about 1 1/2 miles west of Mt. Shasta City. 1188 Comment
  UC202447  Pyrrocoma racemosa var. paniculata A. A. Heller 1917-9-7 12980 Siskiyou 5.0 mi s Gazelle; Shasta Valley 914 Comment
  JEPS37941  Quercus garryana W. L. Jepson 1902-7-20 2085 Siskiyou Summerville Comment
  RSA237384  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-5 703 Siskiyou Above English Lake, about halfway up to Diamond Lake along the trail from English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA237813  Quercus garryana var. breweri Frederick W. Oettinger 1969-8-3 1152 Siskiyou Growing just s.w. of the brook on the w. side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  JEPS74588  Quercus garryana var. breweri William J. Ferlatte 1973-7-30 1482 Siskiyou ca 1 mi se Big Flat (Yellow Rose Mine Trail); Trinity Alps 1828 Comment
  JEPS27149  Quercus sadleriana Lauramay T. Dempster 1961-7-1 1831 Siskiyou s slope White Mountain Comment
  RSA237357  Quercus sadleriana Frederick W. Oettinger 1967-8-26 335 Siskiyou 1/2 mile below Abbotts Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCD47224  Quercus sadleriana Henry Scherer 1954-8-20 s.n. Siskiyou Tickner Creek Trail, Happy Camp Ranger District, Klamath National Forest, Siskiyou County, California. Comment
  UCD47248  Quercus sadleriana R. G. Schultz 1965-10-1 4 Siskiyou Red Rock Valley, Siskiyou County, California. 1584 Comment
  UCD47261  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  CAS-BOT-BC104617  Quercus vacciniifolia William Bridge Cooke 1941-9-16 16320 Siskiyou along the Castle Lake Road 1219 Comment
  CAS-BOT-BC104618  Quercus vacciniifolia Doris K. Kildale 1929-8-24 9079 Siskiyou Rattlesnake meadow, near Preston Peak 1524 Comment
  CAS-BOT-BC104634  Quercus vacciniifolia David D. Keck 1938-8-8 4864 Siskiyou Scott Mts., ridge between Mill and Mule creeks, 3 mi SE of Scott Mountain Lodge 1400 Comment
  UCD47463  Quercus vacciniifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1650 Comment
  JEPS58998  Raillardella pringlei Douglas Barbe 1959-7-11 538 Siskiyou 15 mi w Shasta National Forest (stream flowing nw from Gumboot Lake, headwaters of the South Fork Sacramento River); South Fork Sacramento River 1767 Comment
  SBBG25915  Ranunculus alismifolius D. Myrick 1966-8-12 1541 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC9358  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-6 Siskiyou Medicine Lake; near shore Comment
  CAS-BOT-BC380413  Ranunculus alismifolius var. hartwegii Alice Eastwood 1921-7-28 10927 Siskiyou Medicine Lake Comment
  JEPS107487  Ranunculus cymbalaria var. saximontanus Lowell Ahart, John Dittes 2005-6-9 12040 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 200 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
  UC922382  Ranunculus eschscholtzii var. suksdorfii Annie M. Alexander and Louise Kellogg 1949-7-22 5847 Siskiyou trail to Kings Castle Marble Mountains, Paradise Lake 1920 Comment
  UC165947  Ranunculus flammula Geo. D. Butler 1910-7-12 1741 Siskiyou Shackleford Creek 1219 Comment
  HSC61937  Ranunculus gormanii Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1555 Comment
  RSA176792  Ranunculus testiculatus Peter H. Raven 1963-5-19 18400 Siskiyou Sagebrush covered flats just S of California State line on Hwy 97, N of Mcdoel Comment
  SD88528  Ranunculus uncinatus Darley F. Howe 1972-7-4 Siskiyou Youngs Valley 1493 Comment
  UC870845  Rhamnus californica A. A. Heller 1916-7-22 12490 Siskiyou e side Mt. Eddy Comment
  CAS-BOT-BC56110  Rhamnus ilicifolia Carl B. Wolf 1927-8-26 1031 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  RSA7821  Rhamnus purshiana Doris K. Kildale 1928-8-18 6423 Siskiyou N Fork Salmon River at Finley Camp. Comment
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Jan 25 2013
  HSC101869  Rhododendron columbianum R. D. Whittlesey 2013-8-3 13 Siskiyou 3.2 mi. west on Castle Creek Rd. from Castella, and 3.0 mi. up Sulfur Creek Climber's Trail. 1585 Comment
  RSA471030  Rhododendron occidentale var. paludosum Maude Minthorn 1922-06 s.n. Siskiyou Near California - Oregon Line Comment
  CAS-BOT-BC92404  Ribes aureum var. aureum John Thomas Howell 1887-4-1 s.n. Siskiyou Hornbrook. Comment
  CAS-BOT-BC92531  Ribes binominatum Doris K. Kildale 1928-8-18 6437 Siskiyou Near head of North Fork of Salmon River near Finley's Upper Camp. 1524 Comment
  CAS-BOT-BC92537  Ribes binominatum John Thomas Howell 1939-8-3 14958 Siskiyou Spirit Lake Marble Mountains. 1828 Comment
  UC796515  Ribes binominatum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11769 Siskiyou about 6 mi from Etna (on Forks of Salmon Rd.) 1706 Comment
  LA205407  Ribes cereum Wm. Bridge Cooke; 1938-8-22 11564 Siskiyou Diller Canyon Comment
  SEINET515845  Ribes cereum Vernon Oswald 1997-7-28 8802 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi. S of Medicine Lake Road. 1701 Comment
  RSA0024867  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou 8 miles north of Weed, on US Highway 97. Comment
  HSC36927  Ribes cereum var. cereum J. P. Smith 1974-5-27 7595 Siskiyou Along USFS Rd. 47N03 1646 Comment
  JEPS95064  Ribes cereum var. cereum Vernon Oswald and Lowell Ahart 1997-7-28 8802 Siskiyou Forest Route 15 near Grasshopper Flat (3.9 mi s of Medicine Lake Road); Forest Route 15 1700 Comment
  CAS-BOT-BC27149  Ribes glanduliferum Amos Arthur Heller 1905-6-9 8005 Siskiyou Yreka Comment
  CAS-BOT-BC6178  Ribes glanduliferum Amos Arthur Heller 1905-6-9 8005 Siskiyou Yreka Comment
  CAS-BOT-BC168866  Ribes inerme var. klamathense L. B. Kildale 1930-5-31 9819 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC168869  Ribes inerme var. klamathense Ellsworth Bethel 1923-5-21 s.n. Siskiyou Sisson Comment
  HSC45028  Ribes lacustre Maralyn O'Meara 1974-5-25 403 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC69420  Ribes lacustre John Palmer 1980-8-13 775 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  UC1408860  Ribes lacustre Frederick W. Oettinger 1968-8-6 426 Siskiyou se corner Hancock Lake; Salmon Mountains, Marble Mountains Wilderness Area 1935 Comment
  UC1736426  Ribes lacustre Dean W. Taylor 1999-6-9 17228 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  UC195273  Ribes lacustre Annie M. Alexander and Louise Kellogg 1911-6-24 184 Siskiyou Jackson Lake 1798 Comment
  UC796585  Ribes lacustre Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11752 Siskiyou w Callahan (French Creek Logging Road) 1066 Comment
  CAS-BOT-BC173397  Ribes lobbii John Thomas Howell 1937-7-22 13284 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC20305  Ribes lobbii Hilda W. Grinnell 1935-6-8 Siskiyou Deer Camp Ranger Station, head of Daggett Creek, Siskiyou Mtns. 1799 Comment
  HSC22486  Ribes lobbii J. O. Sawyer 1969-6-12 875 Siskiyou E facing upper slope above Sugar Creek 1982 Comment
  HSC65659  Ribes lobbii J. P. Smith, Steve Selva 1970-6-16 4077 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  RSA0021625  Ribes lobbii Gilbert Muth 1966-7-8 359 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  SJSU6064  Ribes lobbii R. W. Trivelpiece 1971-6-9 26 Siskiyou near Deadman Peak c. 8 mi E of Cecilville, Salmon R Mts 1432 Comment
  CAS-BOT-BC465594  Ribes montigenum Julie Kierstead Nelson; Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 mi NNE of China Mountain; 7 mi W of town of Weed 2208 Comment
  HSC671  Ribes nevadense William J. Ferlatte 1967-7-9 688 Siskiyou Kidd Creek Trail 1860 Comment
  JEPS105033 Image available Ribes nevadense Dean W. Taylor 1996-7-11 15784 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta Trinity National Forests 1328 Comment
  LA205500  Ribes roezlii W. B. C.; 1937-7-16 9079 Siskiyou Mount Shasta, along the Sisson Southern Trail 1981 Comment
  UC1540023  Ribes roezlii Roseberry 1936-5-11 15 Siskiyou w slope Hippo Butte; Lava Beds National Monument 1630 Comment
  UCD102463  Ribes roezlii Jack Major 1961-7-14 634 Siskiyou Panther Creek, Mount Shasta. 1790 Comment
  CDA25572  Ribes roezlii var. cruentum T. C. Fuller 1962-8-3 9520 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  JEPS49456  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-15 645 Siskiyou Humbug Comment
  CAS-BOT-BC200007  Ribes roezlii var. cruentum Doris K. Kildale 1929-7-20 8543 Siskiyou South Fork of Indian Creek near Gilmores Comment
  CAS-BOT-BC200008  Ribes roezlii var. cruentum William A. Dayton 1913-6-13 209 Siskiyou Shasta National Forest. E. Fk of Scott River range opposite China Mt. 1706 Comment
  RSA0024595  Ribes roezlii var. cruentum Louis C. Wheeler 1935-5-12 3491 Siskiyou Greenhorn Creek, Siskiyou Mts. 915 Comment
  SD88347  Ribes sanguineum Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  SEINET182273 Image available Ribes velutinum L. C. Wheeler 1935-5-4 3467 Siskiyou Siskiyou Mountains; Greenhorn Creek 853 Comment
  UC162062 Image available Ribes velutinum A. A. Heller 1905-6-9 8005 Siskiyou Yreka; ; Yreka, Siskiyou Co. Comment
  CAS-BOT-BC168792  Ribes viscosissimum Wm. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail, Mount Shasta 1676 Comment
  HSC61944  Ribes viscosissimum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA0020921  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou Along trail to Marble Mountain Lookout, Marble Mountains. 1814 Comment
  UC90676  Rigiopappus leptocladus K. Brandegee July 1887 Siskiyou Ager Comment
  CDA8539  Rigiopappus leptocladus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2774 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  UCSC000807  Rigiopappus leptocladus Unknown 1889-6-27 s.n. Siskiyou Edgewood Comment
  UC673226  Romanzoffia californica Lincoln Constance, Reed C. Rollins 1942-5-13 2904 Siskiyou Klamath River 4 mi e of Seiad; Klamath-Siskiyou Region, Klamath River 457 Comment
  JEPS84200  Romanzoffia sitchensis L. R. Heckard with J. Hickman et al. 1986-7-17 6519 Siskiyou e. Condrey Mt. (Alex Hole); Alex Hole 1960 Comment
  CAS-BOT-BC74656  Rorippa curvisiliqua Doris K. Kildale 1928-8-20 6593 Siskiyou Lily Pad Lake, near Hancock Lookout trail to Marble Mountain. 2133 Comment
  UC164304  Rosa Geo. D. Butler 1910-7-31 1804 Siskiyou Yreka Creek Comment
  UC1871381  Rosa Barbara Ertter 2006-7-30 18737 a Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  NY345434  Rosa brownii H. E. Brown 1897-6-11 349 Siskiyou North Side, Mt. Shasta 1524 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
  HSC19387  Rosa gymnocarpa J. O. Sawyer 1968-9-10 682 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  UC1190136  Rosa gymnocarpa Ira L. Wiggins 1955-7-23 13476 Siskiyou banks China Creek 1097 Comment
  RSA597961  Rosa gymnocarpa Louis C. Wheeler 1963-9-3 8341 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
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Apr 8 2015
  CHSC4281  Rosa pisocarpa D. Parker 1965-7-26 906 Siskiyou Cabin Meadow Creek, tributary to the E Fork of Scott River. 1676 Comment
  POM365847  Rosa pisocarpa Louis C. Wheeler 1934-6-27 2800 Siskiyou Cottonwood Creek. Siskiyou Mtns. 884 Comment
  UC768887  Rosa pisocarpa Doris K. Kildale 1929-7-20 8715 Siskiyou Raspberry Lake upper Indian Creek 1828 Comment
  CAS-BOT-BC147062  Rosa pisocarpa W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  CAS-BOT-BC148192  Rosa rubiginosa Carl B. Wolf 1927-8-26 1007 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  POM88096  Rosa woodsii var. ultramontana Geo. D. Butler 1908-6-20 1044 Siskiyou Near Yreka Comment
  CAS-BOT-BC147983  Rubus leucodermis D. E. Breedlove 1962-6-10 3308 Siskiyou On steep east bank of Indian Creek, along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  CAS-BOT-BC147313  Rubus parviflorus John Thomas Howell 1939-8-2 14937 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC147323  Rubus parviflorus Doris K. Kildale 1928-7-2 5383 Siskiyou Salmon Summit via Ham Creek Trail 1981 Comment
  HSC44380  Rubus parviflorus Maralyn O'Meara 1973-6-25 235 Siskiyou Music Creek 1463 Comment
  CAS-BOT-BC147311  Rubus parviflorus D. K. Noyes 1911-9-29 728 Siskiyou Klamath National Forest Comment
  CAS-BOT-BC157158  Rubus ursinus Louis C. Wheeler 1934-6-29 2824 Siskiyou Klamath National Forest. Soda Creek 1280 Comment
  HSC68977  Rubus ursinus Maralyn A. Renner 1980-7-24 2114 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  UC163748  Rubus ursinus Geo. D. Butler 1908-7-4 287 Siskiyou Shasta River near mouth; Shasta River near mouth Comment
  CHSC63500  Rudbeckia californica var. glauca Vernon H. Oswald; Lowell Ahart 1994-8-1 6418 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  CAS-BOT-BC6026  Rudbeckia californica var. intermedia L. E. Smith 1913-9-1 557 Siskiyou Mt. Eddy Comment
  JEPS74413  Rumex acetosella W. B. and V. G. Cooke 1974-8-20 49244 Siskiyou Everett Memorial Highway Mt. Shasta 1371 Comment
  SBBG30520  Rumex acetosella D. Myrick 1968-6-24 2001 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  CAS-BOT-BC422226  Rumex acetosella H. A. Thomas; J. H. Thomas 1954-7-23 4458 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek. 883 Comment
  OBI48772  Rumex acetosella G. R. Ballmer 1986-5-14 s.n. Siskiyou Dunsmuir 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
  CAS-BOT-BC433497  Rumex fueginus Geo. D. Butler 1910-9-12 1877 Siskiyou Butte Valley 1280 Comment
  RSA611388  Sagina apetala L. C. Wheeler 1934-6-2 2606 Siskiyou Klamath River at Cherry Flat; Siskiyou Mts. 518 Comment
  RSA237784  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-4-19 1467 Siskiyou Near Abbots. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC1045276  Salix exigua var. hindsiana W. Bridge Cooke 1940-6-20 15156 Siskiyou along Pacific Hwy. in Klamath River gorge Klamath R. gorge 609 Comment
  UC164036  Salix exigua var. hindsiana Geo. D. Butler 1910-5-14 1339 Siskiyou Yreka Creek Comment
  HSC76988  Salix jepsonii K. T. Stillman 1976-6-25 77 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  UC119338  Salix laevigata var. congesta Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  UC576374  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1937-7-22 869 Siskiyou beyond head of Big Flat (near S. Fork Salmon R.) 1615 Comment
  CAS-BOT-BC125447  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 429 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City; east of Metcalf ranch house 1200 Comment
  CAS-BOT-BC125448  Salix lasiandra var. lasiandra Alice Eastwood 1921-7-25 10828 Siskiyou [Bigelows] Bigelow, McCloud River Comment
  CAS-BOT-BC125461  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1425 Comment
  CAS-BOT-BC125463  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1350 Comment
  UCD111532  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. Above Metcalf ranch house. 1425 Comment
  POM107144  Salix lasiolepis Geo. D. Butler 1909-9-20 1083 Siskiyou Yreka Creek. Comment
  POM219903  Salix lasiolepis H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mt Eddy. About 21 km NW of Shasta City. 1650 Comment
  SBBG57844  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mt Eddy, below Dobkin's Lake,, ca. 21 km NW of Shasta City 1650 Comment
  UC481721  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou creek side about 300 m below Dobkin Lake (n side of mt., about 21 km nw of Shasta City); Mt. Eddy 1650 Comment
  UC481899  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 409 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC482337  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou about 10 km nw Shasta City (beside road, e of Metcalf ranch house) 1080 Comment
  CAS-BOT-BC128306  Salix lasiolepis var. lasiolepis A. A. Heller 1915-7-18 12131 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC128309  Salix lasiolepis var. lasiolepis L. R. Abrams 1922-8-7 9902 Siskiyou Klamath River 6 mi. below Hornbrook Comment
  CAS-BOT-BC126126  Salix scouleriana L. S. Smith 1931-6-7 18 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC126170  Salix scouleriana John Thomas Howell 1939-8-6 15102 A Siskiyou Elk Peak, Marble Mts., Siskiyou Mts. Comment
  CDA119  Salix scouleriana D. G. Kelch 2007-7-25 7 .5 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  HSC65537  Salix scouleriana R. White 1977-7-8 117 Siskiyou 1/4 mi. SE of creek crossing with trail to Devil's Punchbowl 1372 Comment
  SBBG28806  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou Wagon Crk Cyn, ca. 1 km up from Metcalf ranch house, E side of Mount Eddy, ca. 17 km NW of Shasta City 1170 Comment
  UC1124683  Salvia dorrii var. dorrii M. H. Mitchell 1936-5-21 Siskiyou Frozen River Cave; Modoc Lava Beds National Monument, Dorris Quad. 1356 Comment
  JEPS12732  Sambucus mexicana W. L. Jepson July, 1894 Siskiyou Sisson Comment
  CAS-BOT-BC238880  Sambucus nigra subsp. caerulea Doris K. Kildale 1929-8-24 9067 Siskiyou Rattlesnake Meadow, near Preston Peak 1676 Comment
  CAS-BOT-BC238886  Sambucus nigra subsp. caerulea John Thomas Howell 1939-8-5 15072 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC238889  Sambucus nigra subsp. caerulea W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  UC1333332  Sambucus racemosa var. microbotrys Dorothy Parker 1949-8-12 364 Siskiyou Duck Lake Creek Siskiyou Mountains, Salmon Mountain (along banks) 1524 Comment
  HSC34353  Sambucus racemosa var. racemosa J. P. Smith, J. O. Sawyer 1973-8-14 7304 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  POM141252  Sanguisorba annua H. M. Hall, E. B. Babcock 1903-06 4046 Siskiyou 18th crossing near Sisson. 1037 Comment
  UC585154  Sanicula bipinnatifida E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2010 Siskiyou about 1 1/2 mi w of Mount Shasta City (Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1188 Comment
  JEPS25630  Sanicula graveolens Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7268 Siskiyou Poker Flat 1536 Comment
  UC165381  Sanicula graveolens Geo. D. Butler 1908-8-4 54 Siskiyou head of Shackleford Creek Shackleford Creek Comment
  HSC19456  Sanicula graveolens J. O. Sawyer 1969-7-18 1394 Siskiyou W facing slope above S Russian Creek 1860 Comment
  RSA237666  Sanicula graveolens Frederick W. Oettinger 1969-7-9 941 Siskiyou NW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  JEPS81880  Sanicula tuberosa Roger Raiche 1982-7-4 20532 Siskiyou Mount Eddy 2072 Comment
  RSA576939  Saponaria officinalis L. C. Wheeler 1934-10-6 3308 Siskiyou Yreka Creek 1 mile S of Yreka. 823 Comment
  CAS-BOT-BC110341  Sarcobatus vermiculatus Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39040 Siskiyou Ca. 2 miles west of Lower Klamath National Wildlife Refuge. 1295 Comment
  JEPS47520  Saxifraga aprica Harley P. Chandler June, 1901 1675 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  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
  RSA238318  Saxifraga ferruginea Frederick W. Oettinger 1968-8-1 337 Siskiyou South side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC482444  Saxifraga mertensiana Dana York 2011-8-13 3052 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-slope of Black Marble Mountain 1950 Comment
  JEPS47637  Saxifraga oregana Harley P. Chandler June, 1901 1548 Siskiyou Klamath River to Marble Mountain; North Coast Ranges, Klamath River 1828 Comment
  CAS-BOT-BC445882  Saxifragopsis fragarioides C. G. Pringle 1883-9-1 s.n. Siskiyou Unspecified. Comment
  CAS-BOT-BC283647  Schedonorus pratensis Louis C. Wheeler 1934-6-22 2750 Siskiyou Cottonwood Creek, Klamath National Forest 914 Comment
  CAS-BOT-BC283648  Schedonorus pratensis Louis C. Wheeler 1934-6-26 2796 Siskiyou Cottonwood Creek, Klamath National Forest 838 Comment
  RSA598072  Scirpus L. C. Wheeler 1963-9-3 8348 Siskiyou Siskiyou Mountains. Young's Valley, head of Clear Creek 1402 Comment
  HSC68402  Scirpus congdonii Maralyn A. Renner 1980-6-26 1136 Siskiyou Flint Valley. 1390 Comment
  HSC77408  Scirpus congdonii L. P. Janeway 1983-9-11 674 Siskiyou Poker Flat 1524 Comment
  RSA119342  Scirpus congdonii S. S. Tillett 1956-7-9 641 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  RSA238937  Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou On the south side of Horses Hole Pond above Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UCD13174  Scirpus congdonii Clyde Byfield 1973-7-6 S 370 Siskiyou Klamath National Forest, on U.S.F.S. trail 11 W 23, .5 mile west of Hayes Cabin. 1554 Comment
  HSC101742  Scleranthus annuus subsp. annuus J. P. Smith, J. O. Sawyer 2010-5-2 12803 Siskiyou Oak Bottom River Access Road 175 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
  HSC81623  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1980-7-19 6203 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  JEPS74476  Scutellaria antirrhinoides W. J. Ferlatte 1966-8-3 266 Siskiyou along the South Fork Salmon River between the campground and Carter's South Fork Salmon River; Trinity Alps, South Fork Salmon River 1524 Comment
  CAS-BOT-BC214252  Scutellaria nana Elmer I. Applegate 1935-6-6 9365 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  UC1114766  Scutellaria nana W. Bridge Cooke 1956-7-16 30304 Siskiyou above Hotlum Station (along old logging road, n side of Mount Shasta); Mount Shasta 1524 Comment
  CHSC88374  Secale cereale Jenny Marr 1993-7-1 180 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1736760  Sedum laxum subsp. flavidum Dean W. Taylor 1996-6-28 15756 B Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  RSA238006  Sedum laxum subsp. heckneri Frederick W. Oettinger 1968-8-16 535 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
  CHSC30311  Sedum obtusatum subsp. boreale M. S. Taylor 1980-7-8 3116 A Siskiyou W of Castle Lake, above Hearts Lake. 2016 Comment
  SEINET10449669  Sedum obtusatum subsp. boreale Mary Susan Taylor 1980-7-8 Taylor 3116 A Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  HSC19546  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-8-4 1850 Siskiyou S of Sugar Lake 2134 Comment
  CAS-BOT-BC61464  Sedum oregonense Gilbert Muth 1966-1-1 698 Siskiyou Marble Mts. Comment
  RSA0013325  Senecio aronicoides B. C. Templeton 1964-6-9 10066 -a Siskiyou Slope of Mt. Shasta Comment
  SEINET11802863  Senecio aronicoides Unknown 1936-1 13321 Siskiyou near Castello Comment
  JEPS16959  Senecio fremontii var. fremontii Peter H. Raven 1956-9-4 10413 Siskiyou s slope Mount Eddy Comment
  CAS-BOT-BC363743  Senecio hydrophilus Alice Eastwood 1912-9-4 2094 Siskiyou Sisson Comment
  SBBG8762  Senecio integerrimus H. and M. Dearing 1938-6-28 2187 Siskiyou Mt Shasta 1828 Comment
  CAS-BOT-BC363942  Senecio integerrimus var. exaltatus Roxana S. Ferris; Laura Lorraine 1941-8-11 10505 Siskiyou Slopes above Medicine Lake. Shasta National Forest Comment
  HSC34129  Senecio integerrimus var. major J. O. Sawyer 1969-6-12 907 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC67944  Senecio integerrimus var. major J. P. Smith 1973-5-5 6439 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC364091  Senecio integerrimus var. ochroleucus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1756 Siskiyou Summit of Siskiyou Mts., 2 1/2 miles northwest of Dry Lake Lookout Comment
  RSA0125067  Senecio integerrimus var. ochroleucus George D. Butler 1910-5-1 1263 Siskiyou Huckberry Mountain. 1219 Comment
  CAS-BOT-BC364422  Senecio triangularis Louis C. Wheeler 1934-8-9 3084 Siskiyou Head of Jaynes Canyon, Siskiyou Mts. 1981 Comment
  HSC19257  Senecio triangularis J. O. Sawyer 1968-7-9 403 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC91240  Senecio triangularis Jennifer Whipple 1978-10-6 2402 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  UC1557912  Sericocarpus oregonensis J. Semple, S. Heard 1986-8-16 8479 Siskiyou nw of Salmon Forks (along Salmon River, For. Hwy. 93); Salmon River Comment
  UC1222981  Sericocarpus oregonensis subsp. oregonensis Joseph P. Tracy 1949-9-15 18556 Siskiyou on road between Cecilville and Sawyer's Bar, near the summit Blue Ridge 1584 Comment
  UC34808  Sericocarpus oregonensis subsp. oregonensis Brewer 1432 Siskiyou Strawberry Hill Mt. Shasta 1066 Comment
  HSC61977  Sibbaldia procumbens Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  SBBG4687  Sidalcea glaucescens H. and M. Dearing 1938-6-27 2174 Siskiyou E of Bartle Comment
  HSC82364  Sidalcea malviflora subsp. nana Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4534 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UCD116830  Sidalcea oregana J. M. Tucker 1950-7-24 1959 Siskiyou southern edge of Grass Lake, beside Highway 97, about 22 miles northeast of Weed. Comment
  JEPS67209  Sidalcea oregana subsp. oregana Geo. D. Butler 1908-8-3 61 Siskiyou Log Lake 1371 Comment
  UC454908  Sidalcea oregana subsp. oregana I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Shasta Retreat (dry bank along R.R.) Comment
  HSC172  Sidalcea oregana subsp. spicata William J. Ferlatte 1966-8-18 419 Siskiyou Along the S fork of the Salmon River between the campground and Carter's 1524 Comment
  HSC46148  Sidalcea oregana subsp. spicata J. P. Smith, Steve Selva 1970-7-17 4476 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC71104  Sidalcea oregana subsp. spicata Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4510 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  JEPS67261  Sidalcea oregana subsp. spicata Geo. D. Butler 1909-6-22 905 Siskiyou Goosenest Mt. Comment
  RSA714938  Sidalcea oregana subsp. spicata M. E. Fishbein, Lane Greer 2006-8-3 5881 Siskiyou Paynes Springs, about 2 miles SW of Medicine Lake. 604 Comment
  LA212243  Sidalcea ranunculacea Geo. E. Julian; Bill Baker 1962-7-20 s.n. Siskiyou Mount Shasta. 1523 Comment
  SEINET3165983  Silene campanulata subsp. glandulosa P. J. Alexander 2008-7-24 870 Siskiyou Below the Pacific Crest Trail on the E side of Lilypad Lake, +-0.6 miles S of Red Butte, +-5.5 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1737 Comment
  UC796448  Silene campanulata subsp. glandulosa Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11806 Siskiyou at Mule Creek crossing on Scott Mountain Road s Callahan; s of Callahan 1524 Comment
  UCD98560  Silene campanulata subsp. glandulosa James P. Smith 1973-5-5 6370 Siskiyou in and around the O'neill campground near Seiad Valley. 487 Comment
  HSC68019  Silene campanulata subsp. greenei J. P. Smith 1973-5-5 6370 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC68056  Silene campanulata subsp. greenei J. P. Smith 1976-5-5 8684 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  JEPS50912  Silene douglasii Geo. D. Butler 1909-7-15 963 Siskiyou Higland Mine Highland Mine Comment
  JEPS95043  Silene douglasii Vernon Oswald and Lowell Ahart 1997-7-28 8779 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49 (Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  CAS-BOT-BC388958  Silene grayi John Thomas Howell 1939-8-8 15168 Siskiyou Black Mt., Marble Mts. Comment
  HSC18949  Silene grayi G. L. Clifton, Griswold 1979-6-28 6103 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  SEINET196523  Silene grayi R. Tofsrud, J. M. Tucker 1948-8-2 1764 Siskiyou Panther Meadows south slope of Mt. Shasta. 2408 Comment
  CAS-BOT-BC388941  Silene grayi Mary Ann Showers 1980-8-28 2059 Siskiyou To the north of Red Butte on the lower slopes of Mt. Shasta, Shasta Trinity National Forest 2377 Comment
  CAS-BOT-BC388943  Silene grayi Mary Ann Showers 1980-8-7 1983 Siskiyou Summit ridge of Marble Mt., 1/4 mi w of summit 2042 Comment
  CAS-BOT-BC388967  Silene grayi M. A. Showers 1981-8-8 2107 mas Siskiyou Basin between Shastina and Mt. Shasta at head of Cascade Gulch 2804 Comment
  CAS-BOT-BC388968  Silene grayi G. J. Muth 1969-8-8 1297 Siskiyou Boulder Peak Ridge, Top 2286 Comment
  CAS-BOT-BC389428  Silene lemmonii Wm. Bridge Cooke 1940-6-7 15104 Siskiyou Along the Pacific Highway near Black Butte Comment
  HSC19441  Silene lemmonii J. O. Sawyer 1969-6-11 831 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  CAS-BOT-BC389427  Silene lemmonii Wm. Bridge Cooke 1941-6-7 16014 Siskiyou East base of Mt. Eddy Comment
  CDA17128  Sisymbrium altissimum G. F. Hrusa 2001-6-5 15842 Siskiyou Shasta Valley; Northbound exit from I-5 at Louie Rd. 914 Comment
  CAS-BOT-BC75158  Sisymbrium altissimum L. B. Kildale 1930-5-31 9812 Siskiyou Island in Klamath River near Camp Lowe. Comment
  HSC6909  Sisymbrium altissimum D. M. Thomson 1965-6-19 89 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  JEPS107648  Sisyrinchium bellum Lowell Ahart, John Dittes 2005-6-10 12102 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 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
  RSA12707  Smilax californica Carl B. Wolf, E. R. Johnson 1934-10-10 6171 Siskiyou Along the Klamath River, 1/2 mile below Clear Creek. 305 Comment
  SEINET6630420  Smilax californica G. D. Butler 1910-1 1466 Siskiyou Quartz Valley Comment
  POM211187  Solanum americanum Louis C. Wheeler 1934-9-17 3274 Siskiyou Dutch Creek off Klamath River, Siskiyou Mtns. (Mt. Diablo Mer). 701 Comment
  RSA79898  Solanum triflorum F. W. Peirson 1923-7-19 3836 Siskiyou 20 miles south of Bray. Comment
  RSA14375  Solanum umbelliferum Elmer I. Applegate 1898-5-15 2137 Siskiyou Klamath River, between Shovel Creek and Fall Creek 793 Comment
  SEINET12765229  Solidago californica Vernon Oswald, Lowell Ahart 1997-7-28 8791 Siskiyou Southeast of Medicine Lake at Paynes Springs.; 0 1981 Comment
  RSA507765  Solidago canadensis J. C. Semple, S. Heard 1986-8-14 8460 Siskiyou Mt. Shasta City, behind grade school, on East Lake Street. Comment
  UCR37811  Solidago canadensis subsp. elongata K. T. Stillman 1976-9-9 487 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  UC485631  Solidago confinis Geo. B. Grant Sep 1902 5063 Siskiyou South part of California, Valley 304 Comment
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Aug 7 2012
  CAS-BOT-BC365576  Solidago elongata Geo. D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC365579  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  HSC2321  Solidago elongata Geo. D. Butler 1910-8-31 1858 Siskiyou Comment
  UC60957  Solidago elongata Geo. B. Grant Sept 1902 5191 Siskiyou Dunsmuir Dunsmuir (North California) 609 Comment
  HSC29093  Solidago multiradiata Frederick W. Oettinger 1968-9-5 706 Siskiyou High Lake Basins near English Peak; Marble Mountain Wilderness Area: English Lake Basin 1898 Comment
  HSC76957  Solidago multiradiata K. T. Stillman 1976-7-21 273 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CAS-BOT-BC374522  Sonchus asper R. E. Frenkel 1964-7-13 675 Siskiyou Near Mount Shasta on Everitt Memorial Highway 1280 Comment
  RSA715771  Sonchus asper subsp. asper L. Ahart, John Dittes 2005-6-10 12117 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) S of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Granada. 777 Comment
  UC36526  Sonchus oleraceus T. H. Gilbert June 1899 Siskiyou Scott River Valley Comment
  UCD114046  Sorbus scopulina J. M. Tucker 1963-7-7 3715 Siskiyou Vicinity of Paradise Lake, at base of King's Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  UC1409333  Sorbus sitchensis var. sitchensis Frederick W. Oettinger and R. F. Thorne 1969-8-7 1276 Siskiyou se end English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
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Aug 26 2008
  HSC96873  Sparganium angustifolium Gordon Leppig 1997-8-23 672 Siskiyou Russian Wilderness; cirque W of Little Duck Lake 2200 Comment
  UCD78010  Spergularia rubra Robert E. Preston 2002-7-14 1929 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1806 Comment
  CAS-BOT-BC390721  Spergularia rubra Gilbert Muth 1966-7-14 391 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  CAS-BOT-BC390723  Spergularia rubra C. L. Hitchcock; J. S. Martin 1939-7-9 5334 Siskiyou Paradise Lake, near King's Castle 1767 Comment
  RSA0097341  Spergularia rubra Gilbert Muth 1966-7-14 391 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  CHSC71602  Spiraea densiflora Vernon H. Oswald; Lowell Ahart 1998-8-3 9440 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  CAS-BOT-BC149687  Spiraea douglasii Wm. Bridge Cooke 1938-7-29 11400 Siskiyou Above Bear Springs Comment
  CAS-BOT-BC149688  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mts., Siskiyou Mts. 1737 Comment
  HSC19121  Spiraea douglasii J. O. Sawyer 1969-7-9 1066 Siskiyou NE shore of Little Duck Lake 2043 Comment
  RSA237603  Spiraea douglasii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1213 Siskiyou Young's Cabin on English Lake trail towards Abbotts. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1463 Comment
  HSC18898  Spiraea splendens var. splendens J. O. Sawyer 1968-7-23 596 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  CHSC63614  Spiranthes romanzoffiana Vernon H. Oswald; Lowell Ahart 1994-8-10 6461 Siskiyou FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle. 1359 Comment
  CHSC84754  Stachys ajugoides var. rigida L. P. Janeway 2003-8-9 7962 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; spring at head of uppermost fork of Seiad Creek. 1725 Comment
  UCLA70898  Stachys ajugoides var. rigida W. Bridge Cooke 1940-6-20 15147 Siskiyou w Shasta River; Klamath River Comment
  HSC78209  Stachys rigida var. rigida L. P. Janeway 1983-8-16 546 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC391221  Stellaria longipes subsp. longipes Elmer I. Applegate 1923-8-17 3839 Siskiyou Medicine Lake 1981 Comment
  UC524160  Stellaria longipes var. longipes Elmer I. Applegate 1923-8-17 3839 Siskiyou Medicine Lake 1981 Comment
  CAS-BOT-BC375646  Stephanomeria lactucina Copeland 1903-8-15 3838 Siskiyou Sisson Comment
  CDA8848  Stephanomeria lactucina T. C. Fuller 1967-8-14 16258 Siskiyou Road to McCloud Reservoir, 2 miles south of McCloud. 0 Comment
  JEPS87637  Stephanomeria paniculata Vernon H. Oswald and Lowell Ahart 1994-8-10 6453 Siskiyou ca. 4.5 mi. (air) n.e. McCloud (Pilgrim Creek Rd. (FS 13) at Mud Creek, 2.7 mi. n. of Hwy. 89) 1097 Comment
  OBI55431  Stephanomeria paniculata David J. Keil 1992-7-20 23490 Siskiyou Klamath NF, W of Fort Jones. Along forest Rd 44N45, 2 mi S of Scott river rd 1000 Comment
  HSC6234  Stephanomeria virgata R. C. Wunner 1965-9-8 511 Siskiyou California Lava Beds National Monument; 0.1 mi. on Rd. to Caldwell Ice Cave 1372 Comment
  JEPS36903  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1908-8-30 138 Siskiyou near Fort Jones Comment
  HSC13339  Stipa comata D. M. Thomson 1965-6-26 107 Siskiyou Lava Beds N.M., Main Rd., 1/4 mi. S of Devils Homestead Overlook Comment
  HSC19243  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-25 1552 Siskiyou S of High Lake 2210 Comment
  HSC39868  Stipa occidentalis var. occidentalis J. P. Smith 1972-8-17 5749 Siskiyou Medicine Lake 2012 Comment
  HSC67789  Stipa occidentalis var. occidentalis J. O. Sawyer, Jane Cole 1980-7-20 3752 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC92575  Stipa occidentalis var. occidentalis Jennifer Whipple 1976-7-8 1363 Siskiyou Mt. Eddy, N and NE facing granite bluff above Dobkins Lake. 2317 Comment
  CAS-BOT-BC61126  Streptanthus barbatus A. A. Heller 1918-7-16 13033 Siskiyou Mount Eddy, west of Sisson. 2133 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
  SEINET3149307  Streptanthus orbiculatus M. S. Baker 1898-8-1 495 Siskiyou Medicine Sake Mts. Comment
  CAS-BOT-BC87870  Streptanthus tortuosus Robert F. Thorne; Fred Oettinger 1969-8-10 39004 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta. Above ski lodge. 2438 Comment
  HSC65575  Streptanthus tortuosus R. White 1977-7-7 108 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  UC1190144  Streptanthus tortuosus Ira L. Wiggins 1955-6-27 13523 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1492822  Streptanthus tortuosus Freed W. Hoffman 1950-7-13 3383 Siskiyou on road to Indian Creek 0.4 mi from Baldy Lookout (w Siskiyou Co.) Comment
  UC455237  Streptanthus tortuosus I. J. Condit 1911-7-15 Siskiyou Dunsmuir Comment
  UC956608  Streptanthus tortuosus Freed W. Hoffman 1948-7-9 2287 Siskiyou along road to O'Brien from Happy Camp 4.5 mi n West Branch Forest Camp (3.8 mi s of Siskiyou Mountains summit); North Coast Ranges Comment
  HSC59933  Streptanthus tortuosus var. orbiculatus D. L. Goforth 1979-7-19 250 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, NW of upper lake 2134 Comment
  HSC18963  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-25 1533 Siskiyou SE facing upper slope W of Sugar Lake 1997 Comment
  HSC92954  Stuckenia filiformis subsp. alpina Jennifer Whipple 1977-8-6 2199 Siskiyou Dobkins Lake 2058 Comment
  UC163669  Suaeda calceoliformis Geo. D. Butler 1910-8-21 1845 Siskiyou Shasta Valley Comment
  UC221723  Swertia albicaulis var. nitida H. E. Brown Jul 15 1897-Jul 31 1897 545 Siskiyou s side Mt. Shasta 1524 Comment
  HSC62451  Swertia albicaulis var. nitida Ruby Van Deventer 27 Jul [year missing] Siskiyou Twin Valley Comment
  HSC65082  Symphoricarpos albus var. laevigatus J. P. Smith, Steve Selva 1970-6-14 3888 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon 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
  UC164440  Symphoricarpos mollis Geo. D. Butler 1910-8-7 1818 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC245768  Symphoricarpos rotundifolius Gilbert J. Muth 1969-8-7 1259 Siskiyou Boulder Peak Ridge 2468 Comment
  UCSB13170  Symphyotrichum ascendens Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou Salmon Mt., Siskiyou 1828 Comment
  OBI80256  Symphyotrichum spathulatum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CAS-BOT-BC221929  Taeniatherum caput-medusae L. R. Short 1933-6-16 40 Siskiyou Klamath National Forest. Klamath River 609 Comment
  POM205586  Taeniatherum caput-medusae E. B. Copeland 1903-7-5 3493 Siskiyou Klamathon. Comment
  CHSC88391  Taraxia tanacetifolia Jenny Marr 1993-7-1 150 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC85236  Taxus brevifolia Elmer I. Applegate 1895-5-28 650 Siskiyou 18th Crossing SPRR, Sacramento River, below Sisson Comment
  HSC98257  Taxus brevifolia G. L. Clifton, Griswold 1979-6-28 6128 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  UC496182  Taxus brevifolia Elmer I. Applegate 1930-8-9 6599 Siskiyou top of high divide s Cameron Meadow (headwaters of Applegate River); Siskiyou Mountains, Applegate River Comment
  UCR168462  Taxus brevifolia L. C. Wheeler 1934-8-14 3138 Siskiyou Northwestern; Klamath Ranges, Siskiyou Mountains: Western end of White Mtn. 1829 Comment
  SEINET11739097  Taxus brevifolia R. Gankin, Hildreth, W. R. 1967-1 1186 Siskiyou near trail to Marble Mountain Wilderness Area (Yellow Jacket Ridge) N of Sawyers Bar 1402 Comment
  SD88343  Tellima grandiflora Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon State line on road to Happy Camp 1646 Comment
  CHSC27067  Tetradymia canescens K. Bridwell 1978-7-20 Siskiyou Top of Big Tablelands. Ca. 20 mi ne of Macdoel, ca. 1 mi w of Lower Tulelake. 1365 Comment
  HSC100276  Thelypodium brachycarpum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13074 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  HSC78074  Thelypodium brachycarpum R. & G. Pederson 1979-9-18 Siskiyou Tulelake, Lower Klamath National Wildlife Refuge, islands 1238 Comment
  JEPS25169  Thelypodium brachycarpum G. Thomas Robbins 1959-6-10 4042 Siskiyou 4 mi s Gazelle (along U.S. Highway 99); Shasta Valley 914 Comment
  JEPS54069  Thelypodium brachycarpum W. L. Kleaver 1915-5-31 Siskiyou Yreka Comment
  CDA25195  Thelypodium brachycarpum R. Pederson, G. Pederson 1979-9-18 Siskiyou White Lake Management Unit, Lower Klamath National Wildlife Refuge. 0 Comment
  CAS-BOT-BC77713  Thelypteris nevadensis Donald L. Branscomb 1958-7-1 s.n. Siskiyou Castle Lake 1706 Comment
  RSA716148  Thinopyrum intermedium L. Ahart, John Dittes 2005-6-10 12121 Siskiyou End of Salvadori Road, Nelson Ranch, about 1. 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  RSA697268  Thlaspi arvense D. W. Taylor 1995-6-4 14970 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest. (ca. 10 miles north of Weed). 1159 Comment
  HSC64056  Thlaspi fendleri var. hesperium J. P. Smith, Steve Selva 1970-7-17 4457 Siskiyou Below Kangaroo Lake. 1890 Comment
  SEINET10448380  Thlaspi montanum Mary Susan Taylor 1980-7-8 Taylor 3097 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  CHSC560  Thlaspi montanum var. montanum M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  JEPS84105  Thlaspi montanum var. montanum L. R. Heckard with J. Hickman et al. 1986-7-17 6457 Siskiyou ca 5 mi n of the town Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake); ridge e of Kangaroo Peak, s of Lily Pad Lake 1940 Comment
  RSA0036026  Thysanocarpus curvipes var. curvipes Louis C. Wheeler 1925-5-11 3477 Siskiyou Klamath River at Ash Creek, Sisikyou Mts. 609 Comment
  HSC62274  Tiarella trifoliata var. unifoliata Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  RSA184798  Tofieldia glutinosa subsp. occidentalis Gilbert Muth 1966-8-3 499 Siskiyou Marble Valley, water source spring, Marble Mountains 1793 Comment
  UC70447  Tofieldia occidentalis subsp. occidentalis Milo S. Baker 1899-8-4 Siskiyou Dead Horse Canyon Comment
  UC922499  Tofieldia occidentalis subsp. occidentalis Annie M. Alexander and Louise Kellogg 1949-7-29 5894 Siskiyou edge of Hidden Lake, above Sky High Lake Marble Mountains, Sky High Valley 1859 Comment
  HSC73319  Tolmiea diplomenziesii Gail Newton 1980-6-20 500 Siskiyou Near Bald Mtn. 1097 Comment
  RSA603012  Torreyochloa pallida var. pauciflora L. C. Wheeler 1935-7-26 3714 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  RSA474741  Tragopogon dubius B. C. Templeton 1960-6-21 8525 a Siskiyou Between CA State line and the Agricultural Inspection Station. Comment
  UCR110591  Trautvetteria caroliniensis var. occidentalis L. C. Wheeler 1963-8-28 8289 Siskiyou Siskiyou Mtns., Clear Creek c. 1 mile below West Fork 640 Comment
  HSC69052  Triantha occidentalis subsp. occidentalis Maralyn A. Renner 1980-8-6 2308 Siskiyou Cracker Meadow 1555 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-BC519567  Triantha occidentalis subsp. occidentalis Annetta Carter 1939-8-21 1481 Siskiyou Salmon Mt.: SE of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2026 Comment
  CAS-BOT-BC519568  Triantha occidentalis subsp. occidentalis David D. Keck 1949-7-20 6363 Siskiyou Scott Mountain Summit: meadow at Scott Mountain Summit, at Trinity County line 1716 Comment
  RSA460864  Trientalis latifolia M. B. Dunkle 1944-6-25 90001 Siskiyou Siskiyou National Forest. 1677 Comment
  JEPS65824  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackelford Creek Log Lake 1524 Comment
  JEPS48903  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka (Butler's Ranch, along creek) Comment
  RSA14979  Trifolium hybridum H. P. Bracelin 1931-6-20 433 Siskiyou Metcalf Ranch, Mt. Eddy. Comment
  RSA237885  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou Wiregrass Meadow near English Lake. the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1707 Comment
  JEPS93936  Trifolium kingii var. productum Vernon H. Oswald and Lowell Ahart 1998-8-11 9476 Siskiyou 6.2 mi ne of Four Trees (USFS 23N85Y 0.8 mi e of Oroville-Quincy Highway, on s side of Frenchman Hill); Frenchman Hill, USFS 23N85Y 1737 Comment
  HSC69188  Trifolium longipes Maralyn A. Renner 1980-8-31 2630 Siskiyou Twin Valley. 1494 Comment
  HSC81684  Trifolium longipes Thomas W. Nelson, Jane P. Nelson 1980-7-20 6167 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CHSC63511  Trifolium longipes subsp. elmeri Vernon H. Oswald; Lowell Ahart 1994-8-1 6423 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26, ca. 0.5 mi (air) NE of Gumboot Lake, W. of Mt. Shasta (city). 1783 Comment
  JEPS93906  Trifolium longipes var. elmeri Vernon H. Oswald and Lowell Ahart 1998-8-3 9435 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC866984  Trifolium repens A. A. Heller 1916-6-20 12414 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  UC61695  Trifolium willdenovii Geo. B. Grant September, 1902 5072 Siskiyou Sisson Mount Shasta Comment
  CHSC91177  Triglochin concinna var. debilis 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
  RSA210810  Triglochin maritima Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39043 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  RSA75589  Trillium albidum Albert M. Vollmer, L. Beane 1951-6-2 71 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  JEPS96991  Trillium ovatum Dean W. Taylor 1999-6-9 17230 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  HSC36427  Trillium ovatum subsp. oettingeri J. O. Sawyer 1969-6-12 937 Siskiyou Along Duck Lake Creek 1921 Comment
  HSC26486  Trisetum canescens J. P. Smith, Steve Selva 1970-7-16 4399 Siskiyou Blue Mtn. Comment
  POM352884  Trisetum spicatum Anonymous 1908-07 9205 Siskiyou Marble Mountains. Black Marble Mtns. Comment
  RSA233651  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38997 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  HSC71074  Triteleia bridgesii M. A. Baker 1980-6-20 2196 Siskiyou Near Bald Mtn. 275 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
  JEPS96987  Triteleia crocea var. crocea Dean W. Taylor 1999-7-18 17273 Siskiyou Wiegel Mile, headwaters of Nickelwaite Creek (ca. 6 air miles southwest from Hilt) 1463 Comment
  UC454045  Triteleia hyacinthina I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake Comment
  SEINET8506392  Triteleia ixioides J. F. Sloan 1959-4-26 s.n. Siskiyou 20 miles S of Weed and 1 mile E toward Mt. Shasta. 1676 Comment
  CHSC2087  Triteleia ixioides subsp. anilina M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  SEINET10534136  Triteleia ixioides subsp. anilina A. Arthur Heller 1916-6-20 Heller 12413 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest, 3900 feet. The prevalent tree is Douglas Fir with some white fir and sugar pine, after cutting the original stand of Jeffrey pine. The common undershrubs are ceanothus and Uva-ursi in the dry places with Salix and Corylus in low ground. Comment
  SEINET200218  Triteleia ixioides subsp. anilina Francia Chisaki, Gene B. Newcomb 1958-6-21 1151 Siskiyou Squaw Valley Creek on road to ice cavesnorth of McCloud 1158 Comment
  RSA237586  Tsuga mertensiana Frederick W. Oettinger 1967-8-26 327 Siskiyou Trees off north eastern side of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  SBBG25348  Tsuga mertensiana J. M. Tucker 1963-7-5 3708 Siskiyou lower Blake's Fk of S Russian Crk (tributary of Salmon River) ca. 7 mi (airline) E of Sawyer's Bar, Salmon Mtns 1524 Comment
  UC1240171  Typha latifolia Verne Grant and Irving Schneider 1947-8-25 8284 Siskiyou near road to Lava Beds w side Tule Lake; w side of Tule Lake near road to Lava Beds Comment
  CAS-BOT-BC403937  Urtica dioica subsp. gracilis Alice Eastwood 1917-9-2 6675 Siskiyou Shasta Springs Comment
  CAS-BOT-BC403938  Urtica dioica subsp. gracilis A. Eastwood 1917-9-2 6675 Siskiyou Shasta Springs Comment
  POM283898  Utricularia vulgaris subsp. macrorhiza H. E. Brown 1897-6-11 s.n. Siskiyou North side of Mt. Shasta. 1524 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-BC199200  Vaccinium cespitosum Harley P. Chandler 1901-6-1 1617 Siskiyou Near Marble Mountain 2133 Comment
  HSC19512  Vaccinium cespitosum J. O. Sawyer 1969-8-3 1731 Siskiyou W of Little Duck Lake 2195 Comment
  RSA285942  Vaccinium cespitosum H. E. Brown 1897-7-15 520 Siskiyou South side Mt. Shasta. Comment
  CAS-BOT-BC235132  Vaccinium membranaceum Dana York; Jim Shevock 2012-7-20 3115 Siskiyou Siskiyou Mountains. Klamath National Forest, Siskiyou Mountains, 4 km W-SW of Cook and Green Pass, adjacent to Lily Pad Lake 1735 Comment
  CHSC88998  Vaccinium membranaceum Steven Harris 1981-7-29 729 /1 Siskiyou Klamath National Forest. Near N. Fork Dillon Creek. 1219 Comment
  CHSC89001  Vaccinium membranaceum Gail A. Newton; Steven Harris 1981-7-17 2252 Siskiyou Klamath National Forest. Near the Dillon Divide. 1691 Comment
  HSC19358  Vaccinium membranaceum J. O. Sawyer 1968-7-10 512 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC19366  Vaccinium membranaceum J. O. Sawyer 1968-9-11 703 Siskiyou Slopes above Twin Valley 1524 Comment
  HSC29339  Vaccinium membranaceum Frederick W. Oettinger 1969-7-14 1013 Siskiyou Marble Mountain Wilderness Area, Charmaine Lake 1921 Comment
  HSC47103  Vaccinium membranaceum J. O. Sawyer, K. Stillman 1978-7-6 3300 Siskiyou Along Happy Camp- O'Brien Rd., 0.5 mi. S of summit and S of Louse Creek 1280 Comment
  HSC65502  Vaccinium membranaceum R. White 1977-6-20 86 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  HSC7905  Vaccinium ovatum Wm. F. Bowman 1968-10-12 Siskiyou Sugar Creek Rd. 1524 Comment
  JEPS109750  Vaccinium scoparium Dean W. Taylor 2005-7-12 19387 Siskiyou Dry Creek Peak, cirque on north side of the peak (ca. 12 air miles NE of Mt. Shasta summit) 1950 Comment
  CAS-BOT-BC199528  Vaccinium uliginosum W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar and Warm Castle, near McCloud Comment
  HSC30274  Vahlodea atropurpurea William J. Ferlatte 1971-9-18 1377 Siskiyou Caribou Basin, lower slope of Sawtooth Ridge. 2195 Comment
  HSC61148  Valeriana sitchensis subsp. sitchensis Al Hobart 1968-6-20 Siskiyou El Capitan. Comment
  JEPS84279  Valeriana sitchensis subsp. sitchensis L. R. Heckard with J. Hickman et al. 1986-7-17 6536 Siskiyou se of Condrey Mt. (road end area and camp overlooking s end of Alex Hole) 1980 Comment
  UC195254  Valeriana sitchensis subsp. sitchensis Annie M. Alexander and Louise Kellogg 1911-6-18 158 Siskiyou Jackson Lake 1798 Comment
  CHSC91238  Valerianella locusta Lowell Ahart; John Dittes 2005-6-10 12119 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  HSC67681  Vancouveria hexandra John Palmer 1980-7-24 622 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  SD88292  Vancouveria hexandra Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon State Line on road to Happy Camp 1705 Comment
  UC1409395  Vancouveria hexandra Frederick W. Oettinger 1968-8-17 555 Siskiyou nw Pine Lake (high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  RSA463686  Veratrum californicum S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  RSA15799  Verbena lasiostachys var. lasiostachys Carl B. Wolf 1927-8-26 1047 Siskiyou On the Klamath River, 4 mi N of Gottville. Comment
  HSC91121  Veronica copelandii Jennifer Whipple 1976-7-7 1326 Siskiyou N slopes of Mt. Eddy 2439 Comment
  JEPS84019  Veronica copelandii L. R. Heckard with J. Hickman et al. 1986-7-17 6459 Siskiyou 5 mi n of the town of Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake) 1940 Comment
  CDA6419  Veronica persica T. C. Fuller 1962-6-11 8964 Siskiyou El Rancho Motel, Yreka. 0 Comment
  HSC61935  Veronica serpyllifolia subsp. humifusa Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  RSA167160  Veronica triphyllos Iris Coonrod 1963-4-1 s.n. Siskiyou Coonrod Ranch, Montague. 915 Comment
  CHSC1913  Veronica wormskjoldii K. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 2316 Comment
  CDA17135  Vicia americana G. F. Hrusa 2001-6-6 15849 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  UC1303026  Vicia americana var. americana A. A. Heller 1928-6-9 14602 Siskiyou Shasta Retreat Sacramento River (bench along the Sacramento River) Comment
  UC454615  Vicia americana var. americana I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  UC867217  Vicia americana var. americana A. A. Helle