Search Results — 2000 specimen records retrieved (1373 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SJSU2195  Abies amabilis Mary B. Smith 9/1958 Siskiyou on promontory jutting into N side of Big Hancock Lake Marble Mountains Comment
  HSC81890  Abies lasiocarpa var. lasiocarpa D. V. Hemphill 1986-7-18 Siskiyou S of Mavis Lake Comment
  OBI36530  Abies magnifica David J. Keil 1983-7-3 17385 Siskiyou Slopes of Mt Shasta along Memorial Hwy Comment
  SEINET12765788  Acer glabrum var. torreyi Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-22 690 Siskiyou Sasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou.; 0 1090 Comment
  CAS-BOT-BC336933  Acer negundo var. californicum J. H. Thomas; T. C. Fuller; G. D. Barbe 1980-4-29 53405 Siskiyou Fort Jones 853 Comment
  HSC67833  Achillea millefolium J. O. Sawyer, J. Cole 1980-7-22 3923 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  RSA238785  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou Ridges above English Lake Basin, Shasta Ridge'. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA68926  Achillea millefolium A. E. Culbertson 1943-7-12 31 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  RSA78324  Achlys triphylla P. A. Munz 1952-7-1 17859 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  RSA582091  Achnatherum lemmonii var. lemmonii L. C. Wheeler 1934-6-11 2682 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  CAS-BOT-BC105075  Achnatherum nelsonii subsp. dorei R. C. Wenk 2008-7-24 917 Siskiyou SW side of Mount Shasta, growing by side of road, Everitt Memorial Highway 1676 Comment
  UCD37087  Achnatherum occidentale Beecher Crampton 1956-8-21 3832 Siskiyou Siskiyou County, 1 mile northeast of Gumboot Lake. 1676 Comment
  UCD51016  Achnatherum occidentale Beecher Crampton 1956-8-21 3832 Siskiyou 1 mile northeast of Gumboot Lake, the headwater of the south fork of the Sacramento River. Comment
  CAS-BOT-BC210865  Achnatherum occidentale subsp. californicum Alice Eastwood 1923-5-27 11961 Siskiyou Shasta Springs Comment
  CAS-BOT-BC210868  Achnatherum occidentale subsp. californicum Alice Eastwood 1921-7-25 10851 Siskiyou Bigelows, McCloud River Comment
  JEPS76055  Achnatherum occidentale subsp. californicum W. L. Jepson 1937-7-22 18453 Siskiyou Dunsmuir Comment
  RSA17729  Achnatherum thurberianum Elmer I. Applegate 1937-6-8 9442 Siskiyou Bearpaw Cave, Lava Beds National Monument. Comment
  UCD104266  Acmispon nevadensis var. nevadensis Tofsrud 1948-8-1 s.n. Siskiyou East edge of McCloud. Comment
  UCD95300  Aconitum columbianum Beecher Crampton 1956-8-21 3801 Siskiyou slopes above Gumboot Lake, headwater of the south fork of the Sacramento River. Comment
  SD230275  Aconitum columbianum Louis C. Wheeler 1963-9-11 8382 Siskiyou Siskiyou Mountains: Dillon Creek. Humboldt Mer. 1493 Comment
  UC1299408  Aconitum columbianum Freed W. Hoffman 1951-7-15 4038 Siskiyou w. side Kelsey Creek (Hammond Camp); , Kelsey Creek 1524 Comment
  CAS-BOT-BC391504  Aconitum columbianum subsp. columbianum W. R. Dudley 1899-8-10 s.n. Siskiyou Near Sisson Comment
  HSC86457  Aconogonon davisiae D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 2134 Comment
  UC2013022  Aconogonon davisiae Barbara Ertter 1990-7-14 9321 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  UCD77946  Aconogonon davisiae Robert E. Preston 2001-6-23 1594 Siskiyou Klamath National Forest, n-facing ridge of Rainbow Mtn, T42N R1W sw 1/4 of nw 1/4 Section 23 2103 Comment
  HSC67676  Aconogonon phytolaccifolium John Palmer 1980-7-24 597 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  SJSU2559  Aconogonon phytolaccifolium H. L. Buckalew 1962-7-7 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1082 Comment
  UCD98807  Aconogonon phytolaccifolium John M. Tucker 1963-7-7 3714 Siskiyou vicinity of Paradise Lake, on east side and at the base of King's Castle, Marble Mountain Wilderness Area. 1981 Comment
  HSC77006  Actaea rubra K. T. Stillman 1976-6-25 84 Siskiyou Marble Mountain Wilderness Area. On N side of Elk Valley 1799 Comment
  HSC58867  Adenocaulon bicolor Marvin Butler 1971-7-29 234 Siskiyou Near Copper Mountain Mines, close to the town of Cave Junction 1464 Comment
  RSA687743  Adiantum aleuticum M. B. Dunkle 1945-1 9314 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  RSA756836  Adiantum aleuticum Barbara Ertter 1990-7-14 9313 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  SFV83  Adiantum aleuticum D. Parker 1960-8-3 589 Siskiyou Below Rock Fence Lake. 1890 Comment
  UCD51464  Aegilops cylindrica T. C. Fuller 1958-6-19 1611 Siskiyou R.R. sideing, Montague. Comment
  SEINET7940419  Agastache urticifolia G. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek. Comment
  HSC58866  Ageratina occidentalis Marvin Butler 1971-8-11 302 Siskiyou Near Copper Camp; close to the town of Cave Junction 1403 Comment
  UC896508  Ageratina occidentalis John Thomas Howell 1939-8-2 14893 Siskiyou Spirit Lake Marble Mts., Spirit Lake Comment
  CDA296  Ageratina occidentalis S. Davis, F. D. Horn 1979-8-24 Siskiyou Hotlum Road above railroad tracks, northeast of Weed. 0 Comment
  CAS-BOT-BC29517  Agoseris William A. Dayton Jr. 1912-7-28 160 Siskiyou Shasta Forest, Ash Creek Sink Range 1188 Comment
  CHSC71274  Agoseris glauca var. laciniata Vernon H. Oswald; Lowell Ahart 1998-6-11 9224 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  CHSC98747  Agoseris glauca var. monticola L. P. Janeway; B. Castro 2007-7-29 9139 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
  CAS-BOT-BC15390  Agoseris grandiflora var. grandiflora George Dexter Butler 1910-6-10 1555 Siskiyou Near Yreka Comment
  CHSC71275  Agoseris heterophylla Vernon H. Oswald; Lowell Ahart 1998-6-11 9196 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  JEPS93824  Agoseris heterophylla Vernon H. Oswald and Lowell Ahart 1998-6-11 9196 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CAS-BOT-BC127486  Agrostis capillaris W. B. Cooke; V. G. Cooke 1963-7-12 34335 Siskiyou Mount Shasta, along Memorial Highway. 1371 Comment
  UC65107  Agrostis capillaris E. Palmer 1892-1 2659 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC126985  Agrostis exarata Ira L. Wiggins 1955-7-22 13453 Siskiyou In South Fork of Salmon River, 9.5 miles above Cecilville. 1066 Comment
  CAS-BOT-BC126988  Agrostis exarata A. A. Heller 1915-7-18 12114 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1249 Comment
  HSC39666  Agrostis exarata J. P. Smith, J. O. Sawyer, & Maralyn O'Meara 1972-7-4 5733 Siskiyou Roadside, 1.4 mi. S of Sugar Creek on Parrott Mill Road 1341 Comment
  HSC69132  Agrostis exarata Maralyn A. Renner 1980-8-4 2232 Siskiyou Flint Valley 1390 Comment
  UCD37086  Agrostis exarata Beecher Crampton 1956-8-21 3829 Siskiyou Siskiyou County, 0.5 mile northeast of Gumboot Lake. 1767 Comment
  UCD52351  Agrostis exarata A. H. Murphy 1959-7-21 59 C Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  CAS-BOT-BC139567  Agrostis gigantea W. B. Cooke; V. G. Cooke 1976-10-17 53783 Siskiyou Little Bear Springs, Mount Shasta. 1584 Comment
  CAS-BOT-BC139569  Agrostis gigantea Louis C. Wheeler 1934-8-14 3134 Siskiyou Klamath Forest. North side White Mountain. 1767 Comment
  HSC39672  Agrostis gigantea J. P. Smith, J. O. Sawyer 1971-9-18 4830 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  RSA115695  Agrostis humilis Beecher Crampton 1956-8-22 3860 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  RSA239098  Agrostis idahoensis Frederick W. Oettinger 1968-9-7 765 Siskiyou On the N bank of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD52996  Agrostis idahoensis A. H. Murphy 1954-8-11 54 -F Siskiyou Round Meadow, Klamath National Forest, U.S.F.S. 1676 Comment
  HSC30513  Agrostis pallens Frederick W. Oettinger 1969-9-1 1571 Siskiyou Midway on slope from English Lake to Dry Lake, Salmon Mountains 2134 Comment
  HSC30535  Agrostis pallens Frederick W. Oettinger 1969-8-24 1536 Siskiyou Salmon Mountains, English Lake 1753 Comment
  RSA239085  Agrostis pallens Frederick W. Oettinger 1969-9-3 1612 Siskiyou Shasta Ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC30583  Agrostis scabra Frederick W. Oettinger 1968-9-7 751 Siskiyou Marble Mtn. Wilderness Area, N end of Hancock Lake. 1951 Comment
  UC815156  Agrostis scabra J. R. Swallen 1941-7-25 16114 Siskiyou MacBride Springs area Mt. Shasta 1524 Comment
  UCD21466  Agrostis scabra Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1206 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. Along shores of Gray Rock Lake. 1800 Comment
  UC1265424  Agrostis stolonifera Frederick W. Oettinger 1968-9-8 790 Siskiyou cliffs s English Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 1645 Comment
  UC1265425  Agrostis stolonifera Frederick W. Oettinger 1969-8-24 1527 Siskiyou vicinity English Peak (Upper English Lake); Salmon Mountains, Marble Mountain Wilderness Area, English P 1798 Comment
  HSC30451  Agrostis thurberiana Frederick W. Oettinger 1969-8-19 1457 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  CAS-BOT-BC445372  Alisma plantago-aquatica Alice Eastwood 1912-7-17 1195 Siskiyou Sisson Comment
  SDSU11452  Alisma triviale D. F Howe 1972-7-8 4881 Siskiyou 1524 Comment
  CAS-BOT-BC459433  Allium acuminatum Lewis S. Rose 1945-6-18 45069 Siskiyou Horse Creek and Klamath River 502 Comment
  HSC46178  Allium bolanderi var. bolanderi Jennifer Whipple 1978-6-5 2330 Siskiyou Weston Gulch in Scott Valley 854 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
  CAS-BOT-BC469250  Allium falcifolium Ira L. Wiggins 1950-5-28 12384 Siskiyou Ridge just above Grouse Lake (head waters of Grouse Creek) 1737 Comment
  UC3083  Allium falcifolium C. B. Bradley 1897-1 Siskiyou Comment
  UC164281  Allium siskiyouense Geo. D. Butler 1910-4-10 1167 Siskiyou hill near Yreka Comment
  HSC100268  Allium validum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13058 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  RSA634227  Allium validum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38961 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC17947  Allotropa virgata H. P. Chandler Jun 1901 1546 Siskiyou Near Marble Mountain 2134 Comment
  UC618907  Allotropa virgata W. Bridge Cooke 1938-7-15 11227 Siskiyou Mount Shasta 2133 Comment
  CAS-BOT-BC171401  Alnus incana subsp. tenuifolia Doris K. Kildale 1928-7-4 5544 Siskiyou 1 1/2 miles below Summit of divide between N Fork of Salmon River and Scott Valley Comment
  CAS-BOT-BC171406  Alnus incana subsp. tenuifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11766 Siskiyou About 6 miles from Etna on forks of Salmon Road 1676 Comment
  RSA452810  Alnus incana subsp. tenuifolia M. B. Dunkle 1944-8-25 9179 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  HSC27461  Alnus rhombifolia J. P. Smith, J. O. Sawyer 1972-5-28 5376 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  HSC69169  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-8-6 2326 Siskiyou Cracker Meadow 1555 Comment
  CHSC88382  Alyssum alyssoides Jenny Marr 1993-7-1 187 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS52987  Alyssum alyssoides A. A. Heller 1905-6-17 8054 Siskiyou Sisson Comment
  HSC36810  Alyssum alyssoides J. P. Smith 1974-5-27 7627 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS54304  Amaranthus blitoides Geo. D. Butler 1908-8-14 64 Siskiyou near Yreka Comment
  UC163666  Amaranthus blitoides Geo. D. Butler 1910-8-5 1812 Siskiyou Yreka Comment
  SEINET3155432  Amaranthus blitoides G. D. Butler 1910-8-5 1812 Siskiyou Yuka Comment
  UC163667  Amaranthus californicus Geo. D. Butler 1908-8-14 64 Siskiyou Yreka Comment
  UC163733  Amaranthus californicus Geo. D. Butler 1908-9-6 133 Siskiyou near Yreka Comment
  HSC43150  Amaranthus powellii Ken Stillman 1976-8-24 426 Siskiyou Along Klamath River at Williams Point. 366 Comment
  HSC36661  Amelanchier alnifolia var. semiintegrifolia Brent Whitely 1975-7-5 143 Siskiyou 213 Comment
  HSC43325  Amelanchier alnifolia var. semiintegrifolia Maralyn O'Meara 1974-5-26 464 Siskiyou Along USFS Rd. 47N03 1524 Comment
  HSC18535  Amelanchier pallida R. C. Wunner 1965-8-17 443 Siskiyou California Lava Beds National Monument; Indian Wells Campground 1433 Comment
  HSC29362  Amelanchier pallida Frederick W. Oettinger 1969-8-25 1555 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; Little N Fork stream along new trail from end of logging road to Devils Canyon trail 1220 Comment
  RSA48584  Amelanchier pallida Philip A. Munz 1949-5-18 13308 Siskiyou 14 miles SW of Gazelle on Callahan road. 1463 Comment
  CAS-BOT-BC136890  Amelanchier utahensis Doris K. Kildale 1929-8-24 8830 Siskiyou Preston Peak 2225 Comment
  UC466781  Amelanchier utahensis Annie M. Alexander and Louise Kellogg 1911-6-17 153 A Siskiyou Jackson Lake 1798 Comment
  CHSC7144  Amsinckia intermedia Gregory Barnes 1969-4-2 3 Siskiyou Beaver Creek Campground. Siskiyou Mountains. Comment
  CAS-BOT-BC45215  Anaphalis margaritacea L. E. Smith 1913-8-30 533 Siskiyou Mount Eddy Comment
  CHSC63492  Anaphalis margaritacea Vernon H. Oswald; Lowell Ahart 1994-8-1 6416 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. 1341 Comment
  CAS-BOT-BC45218  Anaphalis margaritacea E. K. Balls 1949-7-10 13968 Siskiyou 5 miles from Somes Bar on way to Forks of Salmon 213 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
  RSA607943  Ancistrocarphus filagineus L. C. Wheeler 1935-5-1 3452 Siskiyou Yreka Creek. Siskiyou Mountains. (Mt. Diablo Mer.) 854 Comment
  CAS-BOT-BC94417  Anemone deltoidea R. C. Wenk 2005-7-15 233 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail, next to a creek 1828 Comment
  RSA238287  Anemone deltoidea Frederick W. Oettinger 1968-8-6 427 Siskiyou SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC45193  Anemone drummondii J. O. Sawyer, E. Cope 1977-6-21 2986 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  JEPS19776  Anemone drummondii Rimo Bacigalupi with S. Galen Smith 1957-6-26 5952 Siskiyou above meadows at s. end Gumboot Lake (head of S. Fork Sacramento R., close to Trinity Co. line); S. Fork Sacramento R., Gumboot Lake 1859 Comment
  HSC22429  Anemone lyallii J. O. Sawyer 1969-7-11 1318 Siskiyou Slope above S Fork of Sugar Creek 1982 Comment
  CAS-BOT-BC391935  Anemone multifida G. J. Muth 1969-8-10 1315 Siskiyou Ridge w. of Boulder Peak Comment
  CAS-BOT-BC391938  Anemone multifida Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Black Mountain Comment
  HSC45208  Anemone occidentalis J. O. Sawyer, E. Cope 1977-6-20 2967 Siskiyou Behind Devil's Punchbowl 1829 Comment
  UC1505784  Anemone occidentalis Robert T. Clausen and Harold Trapido 1940-7-27 4978 Siskiyou 3 mi. n.-n.e. of summit Mt. Shasta (w. side of w. fork of Mountainhouse Creek); S. Cascade Mts., Sacramento R. Basin, Mountainhouse Creek 2438 Comment
  UC1400366  Angelica arguta Frederick W. Oettinger 1968-8-14 514 Siskiyou 0.1 mi e of Tom Taylor Cabin (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  JEPS120188  Angelica tomentosa Julie Kierstead Nelson 2011-8-23 2011 -42 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  HSC71966  Angelica tomentosa J. M. DiTomaso 1980-8-20 1891 Siskiyou Trail at Caribou Lake in Salmon-Trinity Alps Wilderness Area 1951 Comment
  HSC103575  Antennaria argentea Thomas W. Nelson, Jane Nelson 1985-6-19 7820 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  UC166576  Antennaria argentea Geo. D. Butler 1909-5-9 700 Siskiyou (North Lennox St.) Yreka Comment
  HSC46213  Antennaria dimorpha Jennifer Whipple 1976-5-2 904 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  HSC82554  Antennaria dimorpha Thomas W. Nelson, Jane P. Nelson 1979-5-26 4714 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  UC904777  Antennaria geyeri unknown 1949-8-29 25675 Siskiyou above Bolam Station; Mount Shasta 1828 Comment
  CAS-BOT-BC58716  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou Five miles north of Weed along Highway 97 Comment
  CAS-BOT-BC58723  Antennaria geyeri L. E. Smith 1915-7-9 s.n. Siskiyou Near Sisson Comment
  CAS-BOT-BC58680  Antennaria howellii Jack Major 1961-7-14 648 Siskiyou Mud Creek, Mounta Shasta 1828 Comment
  RSA184713  Antennaria media Gilbert Muth 1966-7-14 393 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  CAS-BOT-BC79910  Antennaria microphylla Doris K. Kildale 1929-7-20 8580 Siskiyou South east spur of Preston Peak 1950 Comment
  CAS-BOT-BC84793  Antennaria racemosa John Thomas Howell 1939-8-2 14904 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UCD77340  Antennaria rosea Robert E. Preston 2001-6-23 1598 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  RSA238784  Antennaria rosea Frederick W. Oettinger 1968-8-14 516 Siskiyou Midway between Tom Taylor Cabin and English Peak L. O.; open site is granitic gravel and soil. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2005 Comment
  HSC76932  Antennaria rosea subsp. rosea K. T. Stillman 1976-8-7 213 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  JEPS83446  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-9-10 410 Siskiyou 8.1 mi nw jct of Indian Creek Road and Hwy 96 in Happy Camp (Happy Camp vicinity, junction of Indian Creek Road and Mt. Baldy Lookout Road, n side of ICR e of jct and se roadbank at jct); Happy Camp Quad. (15', 1956) 463 Comment
Read comments
Apr 24 2015
  SBBG30602  Apocynum androsaemifolium D. Myrick 1968-6-24 2005 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  UC455929  Apocynum androsaemifolium I. J. Condit 1911-7-14 Siskiyou Shasta Retreat Comment
  HSC96810  Apocynum androsaemifolium S. Lyon 2006-6-28 6 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  UCSB22757  Apocynum androsaemifolium Keefe, Joseph 1967-7-10 Siskiyou Indian Creak Road, 14.8 miles north of Happy Camp 914 Comment
  CAS-BOT-BC395146  Aquilegia formosa Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC395152  Aquilegia formosa Wm. Bridge Cooke 1938-7-15 11195 Siskiyou Bear Springs, Mount Shasta Comment
  CAS-BOT-BC397945  Aquilegia formosa Alice Eastwood 1921-7-25 10820 Siskiyou Bigelows Mc Cloud River Comment
  JEPS55089  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest Mountain Comment
  SBBG15640  Aquilegia formosa D. Myrick 1961-6-20 280 Siskiyou meadow at Bear Springs on S slope of Mt Shasta 1676 Comment
  CAS-BOT-BC397948  Aquilegia formosa Margaret M. Hanna 1958-6-20 s.n. Siskiyou Near highway N of Dunsmuir Comment
  HSC64334  Aquilegia formosa var. formosa J. P. Smith, Steve Selva 1970-6-15 3975 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  HSC28661  Aquilegia formosa var. truncata Frederick W. Oettinger 1968-8-6 422 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  HSC22442  Arabis divaricarpa var. interposita J. O. Sawyer 1969-6-2 1020 Siskiyou Summit above Albert Lake 2256 Comment
  HSC39215  Arabis holboellii var. retrofracta J. P. Smith 1976-5-5 8683 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  HSC69496  Arabis holboellii var. retrofracta J. O. Sawyer, J. Cole 1980-7-19 3695 Siskiyou Near FS Rd. 45N0 2018 Comment
  HSC90626  Arabis holboellii var. retrofracta Jennifer Whipple 1977-7-22 2038 Siskiyou Ridgecrest between Dobkins Lake and Dale Creek drainage Comment
  HSC90627  Arabis holboellii var. retrofracta Jennifer Whipple 1977-7-21 2023 Siskiyou Slopes and dry meadows near Durney Lake 2073 Comment
  HSC99978  Arabis holboellii var. retrofracta Thomas W. Nelson, & Sydney Carothers 2005-7-17 9386 Siskiyou Etna Summit along Etna-Forks of the Salmon Rd.. 1804 Comment
  HSC90570  Arabis puberula Jennifer Whipple 1976-6-11 961 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  SBBG5139  Aralia californica H. and M. Dearing 1939-6-19 3686 Siskiyou French Crk 731 Comment
  SEINET2471282  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-8-14 2007 -35 Siskiyou 18 km W. of Indian Creek on forest road 17N11 1320 Comment
  CAS-BOT-BC102215  Arctium minus Louis C. Wheeler 1934-9-17 3276 Siskiyou Klamath National Forest. Dutch Creek 701 Comment
  CAS-BOT-BC102218  Arctium minus Lewis S. Rose 1945-6-18 45052 Siskiyou Horse Creek & Klamath River 502 Comment
  SEINET11989649  Arctostaphylos klamathensis A. Seneres, Edwards, S.; Harold, N. 1982-1 s.n. Siskiyou Terrace Lake 1920 Comment
  CAS-BOT-BC39990  Arctostaphylos nevadensis Alice Eastwood 1912-7-19 1243 Siskiyou Mount Shasta Comment
  CAS-BOT-BC45439  Arctostaphylos nevadensis H. A. Thomas; J. H. Thomas 1954-7-24 4506 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 mi. e. of Cecilville. 1828 Comment
  CAS-BOT-BC45443  Arctostaphylos nevadensis Roger Raiche; Kurt Zadnik 1982-10-12 20785 Siskiyou Eleven miles west-northwest of Yreka at Deadwood Lookout. 1706 Comment
  UC61678  Arctostaphylos nevadensis Geo. B. Grant Sept 1902 5128 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  CAS-BOT-BC46475  Arctostaphylos patula W. R. Dudley 1899-8-9 s.n. Siskiyou Near Black Butte. Comment
  CAS-BOT-BC46522  Arctostaphylos patula Roger Raiche; Kurt Zadnik 1982-10-12 20779 Siskiyou Humbug Rd. near Yreka. 914 Comment
  HSC33989  Arctostaphylos patula J. P. Smith 1974-5-25 7481 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC69554  Arctostaphylos patula Maralyn A. Renner 1980-6-26 1292 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC745  Arctostaphylos patula William J. Ferlatte 1967-6-5 492 Siskiyou Big Flat, near public camp 1524 Comment
  HSC7700  Arctostaphylos patula Unknown Siskiyou Lava Beds N.M. Island Butte on Black Lava Flow 1646 Comment
  HSC92374  Arctostaphylos patula Jennifer Whipple 1976-7-2 1275 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  JEPS2745 Image available Arctostaphylos patula Harriet P. Kelley 1914-3-22 Siskiyou Dunsmuir Mt. Shasta Region; Dunsmuir, Mt. Shasta region Comment
  JEPS38836  Arctostaphylos patula Geo. D. Butler 1909-5-30 586 Siskiyou Yreka Hills Comment
  JEPS83892  Arctostaphylos patula Wayne Roderick July 1976 Siskiyou areas near Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mountains Comment
  POM77329  Arctostaphylos patula Geo D. Butler 1909-4-11 640 Siskiyou Shasta Retreat. Comment
  POM77503  Arctostaphylos patula Geo D. Butler 1909-3-7 586 Siskiyou Hills near Yreka. Comment
  RSA138579  Arctostaphylos patula Frederick W. Oettinger 1969-7-11 967 Siskiyou Just above the trail marker to Diamond and Hancock Lakes from English Lake area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 183 Comment
  UC21880  Arctostaphylos patula Harley P. Chandler June, 1901 1600 Siskiyou near Marble Mountain; North Coast Ranges 2286 Comment
  CAS-BOT-BC46436  Arctostaphylos patula Dudley 1922-4-1 s.n. Siskiyou Etna Mills. Comment
  CHSC33287  Arctostaphylos patula subsp. patula M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC73329  Arctostaphylos viscida Gail Newton 1980-6-20 489 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC47100  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-31 9155 Siskiyou Cecilville, s. Fork of Salmon River. Comment
  SD113379  Arenaria nuttallii subsp. gregaria Darley F. Howe 1972-7-4 4868 Siskiyou Sanger Peak Road;Stony hilltop south of Del Norte; Siskiyou County marker on road to Youngs Valley. 1740 Comment
  CAS-BOT-BC467188  Arenaria serpyllifolia var. serpyllifolia Alice Eastwood; John Thomas Howell 1937-6-26 5061 Siskiyou Near Forks of Salmon Comment
  HSC62125  Arnica cernua Al Hobart 18 Jun [year missing] Siskiyou Preston Peak Comment
  UC1192167  Arnica chamissonis Calvin McMillan and Malcolm A. Nobs 1949-6-17 798 Siskiyou Highway 97 Grass Lake Comment
  UCD129117  Arnica chamissonis Malcolm A. Nobs; Calvin McMillan 1949-6-17 798 Siskiyou Grass Lake, Highway 97. Comment
  POM253187  Arnica chamissonis subsp. foliosa A. A. Heller 1938-7-13 15270 Siskiyou 1 mile south of Bray 1402 Comment
  CAS-BOT-BC82360  Arnica cordifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53397 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CAS-BOT-BC82364  Arnica cordifolia J. H. Thomas 1954-5-13 4145 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1127 Comment
  JEPS35920  Arnica cordifolia W. L. Jepson 1907-7-6 2849 Siskiyou Cudahay Valley (valley above) Cudahay Valley Comment
  RSA211217  Arnica cordifolia William J. Ferlatte 1966-8-5 338 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  CAS-BOT-BC82550  Arnica discoidea Alice Eastwood 1912-7-23 1338 Siskiyou Cantara Comment
  HSC58902  Arnica diversifolia Marvin Butler 1971-8-11 289 Siskiyou Near El Capitan, close to the town of Cave Junction 1524 Comment
  HSC101399  Arnica lanceolata subsp. prima J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13056 Siskiyou Klamath National Forest. Road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  CAS-BOT-BC82661  Arnica latifolia Doris K. Kildale 1928-8-19 6549 Siskiyou Hancock Lake, on trail to Marble Mt. Comment
  RSA215646  Arnica latifolia Gilbert Muth 1969-8-10 1310 Siskiyou Ridge west of Boulder Peak 2226 Comment
  CHSC69068  Arnica longifolia Vernon H. Oswald; Lowell Ahart 1997-7-28 8790 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  UC76028  Arnica longifolia Milo S. Baker 1899-7-31 Siskiyou e slope, (on Oak Creek) Mt. Shasta; , Oak Creek Comment
  HSC29103  Arnica mollis Frederick W. Oettinger 1969-8-19 1470 Siskiyou Marble Mtn. Wilderness Area, about 0.2 mile due NE of Charmaine Lake 1890 Comment
  CAS-BOT-BC384653  Arnica ovata Andrew Townesmith; Karen M. Meyer 2007-7-30 877 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity 2284 Comment
  RSA238807  Arnica viscosa Frederick W. Oettinger 1968-9-2 668 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1859 Comment
  UC206766  Arnica viscosa J. D. Hooker and A. Gray 1877-1 Siskiyou Mt. Shasta 2438 Comment
  UC892236  Arnica viscosa Alice Eastwood 1912-9-1 2055 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC90479  Artemisia douglasiana John Thomas Howell 1939-8-8 15147 Siskiyou Black Mt., Marble Mts. Comment
  HSC68276  Artemisia ludoviciana subsp. ludoviciana Steve Selva, J. P. Smith 1970-8-9 4578 Siskiyou W of Macdoel Comment
  HSC76872  Artemisia ludoviciana subsp. ludoviciana K. T. Stillman 1976-9-9 475 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  SEINET7239372 Image available Artemisia tridentata G. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  CAS-BOT-BC400707  Asarum hartwegii G. D. Hanna; M. M. Hanna 1956-6-3 s.n. Siskiyou Forest Camp, Hatchet Mt. 39.8 E. of Redding Comment
  HSC68477  Asclepias cordifolia Maralyn A. Renner 1980-6-8 811 Siskiyou Slopes E of Hwy. 3 1341 Comment
  RSA577024  Asclepias cordifolia L. C. Wheeler 1934-6-9 2669 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  SEINET10580347  Asclepias cordifolia George D. Butler 1910-6-7 Butler 1531 Siskiyou Greenhorn Mountain Comment
  UC164147  Asclepias speciosa Geo. D. Butler 1910-8-5 1813 Siskiyou near Yreka Comment
  RSA13849  Aspidotis densa L. C. Wheeler 1934-8-13 3112 Siskiyou East Fork Horse Creek, Siskiyou Mountains 1982 Comment
  UC1478239  Aspidotis densa Nancy Morin with J. Richards 1981-7-18 307 Siskiyou Little Castle Lake Comment
  POM114186  Aspidotis densa Geo D. Butler 1910-6-4 1494 Siskiyou Shackleford Creek Comment
  POM208194  Aspidotis densa L. C. Wheeler 1934-6-28 2814 Siskiyou Head of Little Soda Creek, Sterling Mountains 1433 Comment
  RSA47776  Aspidotis densa Roxana S. Ferris, Laura Lorraine 1948-6-16 11794 Siskiyou Scott Mountain Road south of Callahan Comment
  RSA238702  Aster alpigenus Frederick W. Oettinger 1969-8-19 1452 Siskiyou Along the Tanner's Peak Trail, 1/2 mi, NEE of the summit of David Mt. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  POM261534  Aster eatonii Alice Eastwood 1912-8-28 1954 Siskiyou Cantara Comment
  CAS-BOT-BC177277  Astragalus accidens var. hendersonii L. E. Smith 1913-7-1 s.n. Siskiyou Hilt Comment
  UC375388  Astragalus californicus Geo. D. Butler 1908-6-29 393 Siskiyou Cherry Creek Comment
  CHSC91240  Astragalus filipes Lowell Ahart; John Dittes 2005-6-10 12092 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC1096785  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou trip to Scott Mt. ca 5-6 mi from Turn Off near Callahan; near Callahan Comment
  CAS-BOT-BC187306  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Grenada Station Comment
  CDA26765  Astragalus whitneyi var. siskiyouensis T. C. Fuller 1960-6-29 4643 Siskiyou Scott Mountain Road, 4.2 miles south of Callahan. 0 Comment
  CHSC63505  Asyneuma prenanthoides Vernon H. Oswald; Lowell Ahart 1994-8-1 6421 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
  HSC58853  Asyneuma prenanthoides Marvin Butler 1971-8-11 297 Siskiyou Near El Capitan Lake, close to the town of Cave Junction. 1585 Comment
  HSC27967  Asyneuma prenanthoides Carl W. Mize 1972-6-21 72 Siskiyou Past the first creek along trail. 305 Comment
  HSC30653  Asyneuma prenanthoides Frederick W. Oettinger 1969-8-5 1198 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mtn. Wilderness Area, on slope along trail between Abbott's Upper Cabin and English Lake, just above Willow Springs. 1677 Comment
  CAS-BOT-BC68705  Athyrium filix-femina var. californicum Gilbert Muth 1965-8-3 s.n. Siskiyou Creek at marble Valley Comment
  CAS-BOT-BC66190  Athyrium filix-femina var. cyclosorum H. A. Thomas; J. H. Thomas 1954-7-22 4449 Siskiyou Salmon - Trinity Mts., about 6 miles SE of Cecilville, between Rush and Big Bend Creeks, 975 Comment
  CAS-BOT-BC66194  Athyrium filix-femina var. cyclosorum Doris K. Kildale 1928-8-18 6422 Siskiyou North Fork Salmon River at Finley Camp Comment
  UC637178  Athyrium filix-femina var. cyclosorum Edward Lee 1934-8-11 1073 Siskiyou e end Seiad Valley (Walker Creek, a tributary of Klamath River) 609 Comment
  RSA47777  Athysanus pusillus Roxana S. Ferris, Laura Lorraine 11856 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  UC163672  Atriplex rosea Geo. D. Butler 1910-8-18 1841 Siskiyou Shasta Valley Comment
  HSC4359  Atriplex rosea D. M. Thomson 1965-8-14 199 Siskiyou Lava Beds National Monument, by Hovey Pt. Comment
  CHSC75669  Balsamorhiza hookeri var. lanata Vernon H. Oswald; Lowell Ahart 1999-7-5 9811 Siskiyou Gazelle Mtn. on road 41N03 0.6 mi southeast of Gazelle-Callahan Hwy. 1524 Comment
  JEPS104986  Balsamorhiza lanata Dean W. Taylor 1996-6-18 15696 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  RSA264995  Barbarea orthoceras Gilbert Muth 1975-7-30 9963 Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  SBBG2418  Barbarea vulgaris H. and M. Dearing 1939-6-5 3550 Siskiyou E of McCloud Comment
  RSA331954  Berberis aquifolium var. aquifolium Dave Kelly, Walter Wisura 1985-7-31 4082 Siskiyou 9.1 mi. SW of Gazelle on Callahan Rd. Comment
  HSC26925  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1971-9-18 4848 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC69522  Berberis aquifolium var. repens Maralyn A. Renner 1980-6-26 1286 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC75933  Berberis piperiana Roxana S. Ferris; Laura Lorraine 1948-6-12 11826 Siskiyou 1 mile below summit of Gazelle Mountain Grade, west side, Gazelle-Callahan Road. 1219 Comment
  CAS-BOT-BC76000  Berberis pumila T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp. 1524 Comment
  CAS-BOT-BC76004  Berberis pumila John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53389 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones. 1249 Comment
  UC572972  Berula erecta Louis C. Wheeler 1935-7-3 3649 Siskiyou 2 mi nw of Montague (Shasta River); Shasta River 762 Comment
  UC796520  Betula occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11823 Siskiyou Plowman's (Noyes) Valley east fork of Scott River drainage, Parker Ranch 1203 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
  CAS-BOT-BC127944  Blepharipappus scaber Dorothy Parker 1948-5-16 s.n. Siskiyou east side of Scott Valley 914 Comment
  UCD129460  Blepharipappus scaber Robert E. Preston 1995-6-18 884 Siskiyou Irongate Reservoir, CA. 0.6 miles NNW of dam at roadside. 731 Comment
  CAS-BOT-BC16890  Boechera George Dexter Butler 1908-8-4 125 Siskiyou Head of Shackleford Creek. Comment
  UC166142  Boechera acutina Geo. D. Butler 1910-7-5 1524 Siskiyou Log Lake Shackleford Creek Comment
  CHSC30061  Boechera breweri Harritta Gaussoin 1980-3-26 6 Siskiyou Ca. .25 miles NE of rest stop of jct. of Interstate % N and Highway 96 E. 91 Comment
  CAS-BOT-BC16019  Boechera breweri subsp. breweri Doris K. Kildale 1929-5-12 7810 Siskiyou Sawyers Bar. North Fork of Salmon River. 609 Comment
  JEPS93825  Boechera pinetorum Vernon H. Oswald and Lowell Ahart 1998-6-11 9179 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 1066 Comment
  CAS-BOT-BC14411  Boechera platysperma R. E. Frenkel 1964-10-2 921 Siskiyou In Panther Meadow Campground near Mount Shasta. 2377 Comment
  CAS-BOT-BC14666  Boechera rectissima Alice Eastwood 1921-7-30 11003 Siskiyou Soda Creek. Comment
  CAS-BOT-BC25414  Boechera retrofracta George Dexter Butler 1910-7-8 1663 Siskiyou Log Lake, Shackleford Creek. 1219 Comment
  JEPS53079  Boechera retrofracta Harley P. Chandler Jun 1901 1663 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CAS-BOT-BC25621  Boechera retrofracta S. Saufferer 1973-5-6 152 Siskiyou Just south of Dunsmuir along Railroad Creek. Comment
  CAS-BOT-BC25693  Boechera sparsiflora E. K. Balls 1949-7-9 1394 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1005 Comment
  CAS-BOT-BC25792  Boechera stricta Vesta Holt 1943-8-13 M- 17 Siskiyou Marble Mountains. Comment
  CAS-BOT-BC25921  Boechera suffrutescens George Dexter Butler 1910-7-9 1705 Siskiyou Dryland Shackleford Creek. 1219 Comment
  POM208301  Boisduvalia densiflora var. densiflora Louis C. Wheeler 1934-6-22 2755 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  HSC101473  Boykinia major J. P. Smith, J. O. Sawyer 2011-7-21 13039 Siskiyou Near Dillon Camp 1358 Comment
  CAS-BOT-BC418461  Boykinia major Wayne Roderick 1967-7-23 s.n. Siskiyou Horse Tail Falls on road to Cook & Green Pass, N of Seiad Valley. 304 Comment
  POM211399  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mts., Cottonwood Creek. 915 Comment
  RSA582096  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mts., Cottonwood Creek. 915 Comment
  UC204777  Bromus madritensis subsp. rubens Geo. D. Butler 1910-5-4 1270 Siskiyou near Yreka Comment
  UCR37855  Bromus marginatus K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  UC164917  Bromus orcuttianus Geo. D. Butler 1908-7-20 469 Siskiyou Humbug Creek Comment
  UC1265363  Bromus suksdorfii F. W. Oettinger 1969-9-2 1588 Siskiyou above Bear Meadow (near Tom Taylor Cabin, Salmon Mountains); Salmon Mountains 2026 Comment
  NY664637  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague Comment
  SEINET10515122  Bromus tectorum A. Arthur Heller 1916-6-20 Heller 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest. 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. 1189 Comment
  UC204739  Bromus trinii Geo. D. Butler 1910-4-16 1185 Siskiyou Klamath Bluffs Comment
  UC2026512  Bulbostylis capillaris Louis C. Wheeler 1958-8-24 7432 Siskiyou Shasta Lake. 1/4 mi. west of mouth of Cove Creek. Comment
  UC1265381  Calamagrostis breweri Frederick W. Oettinger 1969-9-3 1613 Siskiyou English Peak, N slope Western Siskiyou Co., Salmon Mountains, Marble Mountain Wild (Shasta Ridge) 2072 Comment
  CAS-BOT-BC185255  Calamagrostis koelerioides Geo. D. Butler 1910-7-12 1746 Siskiyou Shackleford Creek. 1371 Comment
  CAS-BOT-BC185267  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou North side of Mount Eddy. Comment
  HSC30641  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 772 Siskiyou Marble Mtn. Wilderness Area, NW slope above Tobacco Lake 2012 Comment
  POM353039  Calamagrostis koelerioides M. B. Dunkle 1945-7-22 9239 Siskiyou Marble Mts., Klamath National Forest. Comment
  CAS-BOT-BC185258  Calamagrostis koelerioides Doris K. Kildale 1929-8-24 8814 Siskiyou Preston Peak. 2133 Comment
  HSC68462  Calamagrostis nutkaensis Maralyn A. Renner 1980-7-4 1459 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  UCD56963  Calamagrostis sesquiflora Peter Kamb 1949-8-25 1487 Siskiyou southwest slope of Mt. Shasta above Horse Camp. 2621 Comment
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Apr 1 2012
  CAS-BOT-BC85731  Calocedrus decurrens Doris K. Kildale 1929-5-11 7715 Siskiyou Cecilville, south fork of Salmon River Comment
  CAS-BOT-BC132245  Calochortus A. M. Vollmer; L. Beane 1951-6-2 56 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  UCR93344  Calochortus coeruleus Kathy Harper, Dane Karr 1994-6-15 s.n. Siskiyou State Hwy 89 about 5 mi west of Bartle 1159 Comment
  SEINET12047246  Calochortus longebarbatus E. F. Heinitz 1980-1 27 Siskiyou at Tom Young Flat ca 2 mi NW of Pondosa 1292 Comment
  HSC44993  Calochortus nudus J. P. Smith, Steve Selva 1970-7-18 4488 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UC1408792  Calochortus nudus F. W. Oettinger 1969-7-25 Siskiyou ca 15 air mi sw Weed (near Kangaroo Lake Campground); Shasta-Trinity National Forest, Scott Mts. Comment
  UCD63043  Calochortus nudus 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. The Fen Trail. Scott Mountains, Klamath National Forest. 1850 Comment
  HSC15410  Calochortus nudus Dorothy Parker 1949-7-4 Siskiyou Summit of Scott Mtn. 1677 Comment
  JEPS96992  Calochortus tolmiei Dean W. Taylor 1999-6-9 17236 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  JEPS80502  Caltha biflora Gilbert Muth 1966-7-8 352 Siskiyou Marble Valley, Marble Mt. Wilderness Area. 1792 Comment
  CHSC1436  Caltha leptosepala var. biflora V. Holt 1932-7-10 Siskiyou Mt. Eddy. 1524 Comment
  RSA14483  Calycadenia ciliosa Elmer I. Applegate 1923-9-10 3983 Siskiyou Mouth of Salmon River, Klamath River Comment
  CAS-BOT-BC273386  Calycadenia fremontii G. D. Carr 1974-9-11 780 Siskiyou 2.0 mi NE of Callahan on Gazelle-Callahan Rd 1007 Comment
  HSC41793  Calycadenia fremontii Brent Whiteley 1975-6-22 23 Siskiyou Klamath National Forest along Hwy. 96 near Somes Bar. 220 Comment
  HSC61819  Calyptridium monospermum Ruby Van Deventer 1938-7-21 Siskiyou Poker Flat 1585 Comment
  UC1190140  Calyptridium umbellatum Ira L. Wiggins 1955-7-27 13556 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  HSC42976  Calystegia occidentalis subsp. occidentalis J. O. Sawyer, Ken Stillman 1976-5-29 2738 Siskiyou Along Specimen Creek 915 Comment
  UC1181813  Camissonia contorta Dorothy Parker 1950-4-26 406 Siskiyou Scott Valley Siskiyou Mountains 883 Comment
  CAS-BOT-BC160908  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1923-8-19 3881 Siskiyou West end of Medicine Lake Comment
  POM224484  Camissonia tanacetifolia subsp. tanacetifolia L. S. Rose 1936-7-28 36710 -A Siskiyou Mt. Hebron 1298 Comment
  JEPS95640  Campanula prenanthoides Vernon H. Oswald and L. Ahart 1994-8-1 6421 Siskiyou T39N R5W SE1/4 Sec. 16, 4720 ft, Yellow Pine Forest. 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
  SEINET10463157  Campanula prenanthoides Deventer DEVENTER s.n. Siskiyou Preston Peak quadrangle; Youngs Valley. T17N R5E SECS. 9, 10 & 16. Comment
  SEINET10938999  Campanula prenanthoides James D. Culbertson 1943-8-1 Culbertson 42 Siskiyou CASTLE LAKE, 14 MI SW MT SHASTA, N SIDE E SPUR TRINITY MTS 5434', N FACING CIRCUE W/ ABRUPT 1000' BACKWALL 1656 Comment
  SEINET10463395  Campanula scabrella Clifton 1978-7-26 CLIFTON 6421 Siskiyou Near deadfall, on the China Mountain quadrangle, close to the town of Mount Shasta 2341 Comment
  UC890573  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy Comment
  SEINET10939036  Campanula scabrella Edwin B. Copel 1903-8-18 Copeland 3844 Siskiyou MT. EDDY 2743 Comment
  HSC69419  Campanula scouleri John Palmer 1980-8-13 769 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  SEINET10463435  Campanula scouleri A. Arthur Heller 1915-7-18 Heller 12106 Siskiyou METCALF'S RANCH, NE BASE OF MT EDDY, MOIST SOIL 1189 Comment
  SEINET10463785  Campanula scouleri Smith 1913-9-1 Smith 560 Siskiyou Mount Eddy Comment
  SEINET10872981  Campanula scouleri John G. Lemmon Lemmon s.n. Siskiyou Near Shasta Comment
  SEINET10905942  Campanula scouleri Holt 1932-7-13 Holt s.n. Siskiyou NIXON'S CAMP, MT. SHASTA 671 Comment
  HSC2359  Campanula wilkinsiana William J. Ferlatte 1966-8-19 446 Siskiyou Kidd Creek Trail. 1829 Comment
  SEINET10463879  Campanula wilkinsiana Prouty 1979-8-14 PROUTY 79 .40 Siskiyou CREEKSIDE, COLD CREEK, E SLOPE OF MT. SHASTA T41N R2W SEC. 20 NE 1/4 1890 Comment
  SEINET10463889  Campanula wilkinsiana Ferlatte 1966-8-19 FERLATTE 446 Siskiyou KIDD CREEK TRAIL, STREAM BANK DENSELY WOODED CANYON. T37N R9W SEC.32 1676 Comment
  UCD77453  Cardamine bellidifolia Robert E. Preston 2001-6-23 1587 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  UC1368675  Cardamine bellidifolia var. pachyphylla W. B. and V. G. Cooke Siskiyou n side Red Butte (neath the South Gate, Mount Shasta); Mount Shasta, n side Red Butte Comment
  CHSC48061  Carex L. P. Janeway 1983-8-28 633 Siskiyou At Poker Flat. S edge of mdw bordering forest. 1524 Comment
  HSC76853  Carex amplifolia L. P. Janeway 1982-6-22 20 Siskiyou Next to creek 15 m below road from West Branch Guard Station towards Indian Creek 671 Comment
  SEINET10586479  Carex amplifolia A. Arthur Heller 1905-6-5 Heller 7974 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CAS-BOT-BC17969  Carex angustata George Dexter Butler 1909-6-22 855 Siskiyou Goosenest foothills. 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
  HSC82356  Carex athrostachya Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4521 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC19402  Carex bolanderi J. W. Stacey 1940-8-8 15422 Siskiyou Mount Shasta. Along the cascade below the big Squaw Valley Creek Spring. 1463 Comment
  HSC76801  Carex bolanderi L. P. Janeway 1982-7-9 50 Siskiyou Along Hwy. 96, just S of Wilson Creek 335 Comment
  CAS-BOT-BC19652  Carex brainerdii William Bridge Cooke 1939-8-10 13859 Siskiyou Mount Shasta. Along the bottom of Mud Creek Canyon. 1981 Comment
  CAS-BOT-BC19657  Carex brainerdii John Thomas Howell 1939-8-3 15008 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CHSC40138  Carex brainerdii L. P. Janeway 1983-6-25 341 Siskiyou On rock bluff above Klamath R, e side, near Independence Cr Br. 274 Comment
  CHSC70771  Carex brainerdii A. Francis 1996-7-17 3642 Siskiyou Medicine Lake Highlands, just E of 49 road, NE of Medicine Lake Glass Flow. 2225 Comment
  RSA237237  Carex brainerdii Frederick W. Oettinger 1969-8-3 1146 Siskiyou Hot slope above English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC672  Carex breweri W. H. Brewer 1862-9-13 1391 Siskiyou Mt. Shasta; ; Mt. Shasta 2743 Comment
  JEPS125994  Carex buxbaumii D. W. Taylor, G. Clifton 1996-7-27 15856 Siskiyou Shasta-Trinity National Forest; Cliff Lake, The Eddys, about 15 air miles SW of Weed. Comment
  CHSC38999  Carex capitata J. D. Jokerst 1983-7-5 1823 Siskiyou Upper margins of the wet meadow of Atkin's Meadow in its NE corner. Comment
  CHSC40179  Carex concinnoides L. P. Janeway 1982-7-10 58 Siskiyou On a short ridge near the old Grayback Rd ca 1/2 mi above West Branch Guard Sta. 746 Comment
  HSC48951  Carex concinnoides M. A. Baker 1979-5-17 728 Siskiyou S facing hillside near road to Bald Mtn. trail off FS 15N01 Comment
  HSC67677  Carex echinata subsp. echinata John Palmer 1980-7-24 598 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CHSC107111  Carex fracta R. E. Brainerd 2009-7-22 1557 Siskiyou Red Hill Meadow, east of Mt. Shasta; 4 air miles east of McCloud. UTN Zone 10 478466E 4568630N. 1036 Comment
  JEPS101096  Carex geyeri Dean W. Taylor 1997-6-12 16065 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  JEPS128455  Carex geyeri Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -056 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  CHSC82811  Carex halliana L. P. Janeway 2002-7-13 7638 Siskiyou High Cascade Range. 1.0 km west of the western edge of Medicine Lake; 0.2 km southeast of Road 43N48 on west side of the road to a cinder pit. 2079 Comment
  HSC30215  Carex hassei William J. Ferlatte 1968-6-8 1130 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  JEPS117731  Carex hystericina Robert E. Preston 2008-5-15 2633 Siskiyou ca. 2 mi N of, along Hwy 96 Somes Bar; Davis Creek 228 Comment
  JEPS102966  Carex inops subsp. inops L. P. Janeway 2002-7-12 7623 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek 1573 Comment
  SEINET13371885  Carex inops subsp. inops D. W. Taylor 2014-5-29 21481 Siskiyou Mt. Shasta, southeastern flank of the base of the mountain, Squaw Valley Creek watershed 1664 Comment
  CAS-BOT-BC7656  Carex integra John Thomas Howell 1939-8-3 15002 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UC1265341  Carex jonesii Frederick W. Oettinger 1969-8-19 1454 Siskiyou Abbott's Basin Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  SEINET7563577 Image available Carex laeviculmis Ray Tallent 1987-8-12 899 Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  SEINET7563561 Image available Carex laeviculmis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1179 Siskiyou Just N of Tobacco Lake. High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC31307  Carex lenticularis var. impressa Doris K. Kildale 1929-7-20 8672 Siskiyou Raspberry Lake, South fork of Indian Creek. 1828 Comment
  HSC62583  Carex lenticularis var. impressa Al Hobart 1968-7-11 Siskiyou Youngs Valley Comment
  CAS-BOT-BC28433  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-25 13473 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  SEINET7566380 Image available Carex luzulina L. P. Janeway 2006-7-2 8733 Siskiyou Deadman Peak 7.5' Quad. Klamath Ranges, Salmon Mountains, near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  UCD77472  Carex luzulina Robert E. Preston 2001-7-21 1747 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  HSC103368  Carex luzulina Thomas W. Nelson, Jane Nelson 1984-7-28 7707 Siskiyou Along west side of Gumboot Lake 1860 Comment
  CAS-BOT-BC31630  Carex luzulina var. ablata John Thomas Howell 1939-8-7 15120 Siskiyou Sky High Valley, MarbleMts. 1828 Comment
  CAS-BOT-BC31634  Carex luzulina var. ablata R. Tallent 1987-8-16 943 Siskiyou Mt. Shasta area. Panther Meadows Trailhead area. 2219 Comment
  CHSC40197  Carex microptera L. P. Janeway 1983-8-6 490 Siskiyou At Poker Flat, a meadow in a fir forest. 1524 Comment
  JEPS84171  Carex microptera L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6436 Siskiyou ca. 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  CAS-BOT-BC32003  Carex multicaulis L. P. Janeway 1982-8-21 169 Siskiyou Preston Peak Quad, in the old dirt road between Poker Flat and Twin Valley, near Twin Valley 1463 Comment
  HSC37147  Carex multicaulis J. O. Sawyer 1969-6-11 822 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  HSC33315  Carex multicostata William J. Ferlatte 1974-7-26 1599 Siskiyou Big Flat, near South Fork of Salmon River, S of campground on W side of river 1524 Comment
  HSC77037  Carex multicostata K. T. Stillman 1976-6-17 18 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  RSA237226  Carex multicostata Frederick W. Oettinger 1968-8-8 450 Siskiyou Crapo Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  CAS-BOT-BC119900  Carex nebrascensis Lewis Samuel Rose 1937-7-3 37395 Siskiyou Weed. 944 Comment
  CAS-BOT-BC119679  Carex nervina William Bridge Cooke 1939-6-23 13547 Siskiyou Spring creeks formed by upper Wagon Camp springs in upper spring area. 1737 Comment
  CAS-BOT-BC119680  Carex nervina William Bridge Cooke 1939-6-23 13547 Siskiyou Wagon Camp sedge swamp. 1737 Comment
  UC1265346  Carex nigricans Frederick W. Oettinger 1968-8-2 358 Siskiyou e end Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  RSA237298  Carex nigricans Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1261 Siskiyou West of Tom s lower pond. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SBBG30049  Carex nudata L. C. Wheeler 1934-9-22 3296 Siskiyou Walker, Klamath River 518 Comment
  SEINET7569408 Image available Carex nudata Frederick W. Oettinger 1968-9-5 709 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, south end of Diamond Lake. 2073 Comment
  UC195508  Carex nudata Geo. D. Butler 1910-5-21 1377 Siskiyou Klamath River Comment
  CHSC48071  Carex pachystachya L. P. Janeway 1983-8-26 607 Siskiyou At Poker Flat, a mdw. Across road on N edge of mdw. 1524 Comment
  UC837242  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou near Wagon Creek Falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  CHSC106266  Carex praegracilis Lowell Ahart; John Dittes 2010-7-30 16953 Siskiyou About 50 yards west of the East Louie Road Bridge, about 30 yards west of the Shasta River, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC118770  Carex preslii John Thomas Howell 1937-7-24 13431 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118787  Carex preslii Rimo Bacigalupi 1959-7-10 7300 Siskiyou In meadow at Twin Valley, Siskiyou Mts., just E of Del North County line. 1493 Comment
  CAS-BOT-BC118789  Carex preslii William Bridge Cooke 1938-7-22 11344 Siskiyou Mt. Shasta 1981 Comment
  HSC76826  Carex scabriuscula L. P. Janeway 1982-8-14 134 Siskiyou Just E of Elk Wallow 1646 Comment
  HSC91238  Carex scabriuscula Jennifer Whipple 1976-6-19 1050 Siskiyou Near Durney Lake 2073 Comment
  CAS-BOT-BC118224  Carex scopulorum var. bracteosa A. A. Heller 1922-7-3 13673 Siskiyou Along Wagon creek on Mt. Eddy 2225 Comment
  CAS-BOT-BC118223  Carex scopulorum var. bracteosa J. W. Stacey 1939-7-7 13616 Siskiyou In the Wagon Camp Sedge Swamp. 1737 Comment
  CDA33142  Carex scopulorum var. bracteosa Gordon Leppig, Jennifer Kalt 1996-7-9 388 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque west of Little Duck Lake. Comment
  UC1265467  Carex scopulorum var. bracteosa Frederick W. Oettinger 1969-8-6 1262 Siskiyou w Tom's Lake lower hole; Salmon Mountains, Marble Mountain Wilderness 1950 Comment
  RSA364763  Carex serratodens L. C. Wheeler 1934-6-7 2657 Siskiyou North Hungry Creek. 1220 Comment
  HSC39290  Carex spectabilis J. O. Sawyer 1969-8-4 1802 Siskiyou Above Sugar Lake 2134 Comment
  UC835743  Carex spectabilis John Thomas Howell 1939-8-9 15226 Siskiyou ridge s Marble Valley; Marble Mts. Comment
  HSC30672  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 Siskiyou Marble Mtn. Wilderness Area, in Bear Meadow near Tom Taylor Cabin 2165 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
  UC1265477  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou slope se Abbotts Lake; Salmon Mountains, Marble Mountain Wilderness Area 1722 Comment
  HSC7173  Carex straminiformis J. T. Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mtns. 1829 Comment
  CHSC48066  Carex subfusca L. P. Janeway 1983-5-29 316 Siskiyou Along wet drainage ditch on N side of Scott River Rd on N side of Scott River, opposite Indian Scotty USFS campground. 762 Comment
  HSC39089  Carex vesicaria D. H. Norris May 1970 12268 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  UCD77466  Carex vulpinoidea Robert E. Preston 2000-6-25 1381 Siskiyou On n shore of Irongate Reservoir, 0.1 mi downstream of confluence of Klamath River and Fall Creek, T48N R5W sw 1.4 of ne 1/4 Section 36 216 Comment
  UCD77467  Carex whitneyi Robert E. Preston 1996-7-22 971 Siskiyou between Blanche Lake and Bullseye Lake 2072 Comment
  HSC48105  Carex whitneyi D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19530 Siskiyou Along Hwy. 89 at Snowman's Hill Summit, 3 mi. E of McCloud Comment
  SEINET3156101  Carum G. D. Butler 1910-8-13 1831 Siskiyou Quartz Valley Comment
  HSC736  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn. 2470 Comment
  HSC63263  Castilleja applegatei M. A. Baker 1979-7-31 1101 Siskiyou Johnson's Hunting Grounds, near border of wilderness Comment
  HSC76762  Castilleja applegatei subsp. pallida K. T. Stillman 1976-9-9 493 Siskiyou Ridge above Paradise Lake Comment
  HSC42879  Castilleja applegatei subsp. pinetorum John Sawyer, Ken Stillman 1976-7-1 2794 Siskiyou Mid slopes and ridges E of Little North Fork Trail. 732 Comment
  CAS-BOT-BC243764  Castilleja applegatei var. pinetorum Elmer I. Applegate 1923-8-18 3878 Siskiyou West base of Redshale Mountain, east side of Medicine Lake 1981 Comment
  CAS-BOT-BC243772  Castilleja applegatei var. pinetorum Geo. D. Butler 1909-6-22 931 Siskiyou Goosenest foothills Comment
  HSC91234  Castilleja arachnoidea Jennifer Whipple 1976-7-1 1227 Siskiyou Near Little Crater Lake 2195 Comment
  JEPS23283  Castilleja arachnoidea Rimo Bacigalupi with Dr. Lincoln Constance 1959-6-16 7152 Siskiyou just e Mt. Shasta Ski Bowl Lodge (fields above Panther Meadow, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  SEINET13737243  Castilleja arachnoidea G. D. Butler 1910-7-9 1712 Siskiyou Marble Mountain. 1829 Comment
  UC1216704  Castilleja arachnoidea W. B. and V. G. Cooke 1962-8-18 33526 Siskiyou near Horse Camp; Mt. Shasta 2377 Comment
  RSA215641  Castilleja arachnoidea subsp. schizotricha Gilbert Muth 1969-8-6 1209 Siskiyou Boulder Peak. 2530 Comment
  HSC45204  Castilleja hispida subsp. brevilobata J. O. Sawyer, E. Cope 1977-6-20 2975 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  CDA18397  Castilleja lacera G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2784 Siskiyou Klamath Ranges; Yreka, behind (west of ) Motel 6, southside of town, north of Greenhorn Creek Road. 2194 Comment
  HSC75107  Castilleja lacera J. P. Smith, Thomas W. Nelson 1979-6-16 10137 Siskiyou Klamath National Forest; S.R. 3, 2.7 miles from the Scott Mtn.summit 1341 Comment
  CAS-BOT-BC253621  Castilleja miniata Doris K. Kildale 1929-7-20 8616 Siskiyou Elk Lick, South Fork of Indian Creek 1219 Comment
  CAS-BOT-BC254016  Castilleja miniata Alice Eastwood 1921-7-25 10835 Siskiyou Bigelows, McCloud River Comment
  UC1012499  Castilleja miniata Francis W. Pennell 1940-7-17 26173 Siskiyou w of Etna; Salmon Mountains 1859 Comment
  UC163715  Castilleja miniata Geo. D. Butler 1908-8-7 421 Siskiyou Whiskey Camp Indepencence Creek (Indepencence Creek) Comment
  UC618701  Castilleja miniata unknown 1938-9-8 11606 Siskiyou on talus beside Little Red Butte; Mount Shasta Comment
  CAS-BOT-BC254011  Castilleja miniata Gilbert Muth 1965-7-29 s.n. Siskiyou Meadow below marble rim Comment
  RSA43901  Castilleja miniata H. M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. Comment
  RSA504754  Castilleja miniata Leg A Meebold 1935-07 19774 Siskiyou Mt. Shasta (city). Comment
  CAS-BOT-BC241053  Castilleja pilosa David D. Keck 1940-6-13 5171 Siskiyou 1 mi. S.W. of Grass Lake 1525 Comment
  UC144528  Castilleja pilosa A. A. Heller 1905-6-20 8079 Siskiyou Gazelle Comment
  UC163703  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mountain 1066 Comment
  UCD123043  Castilleja pruinosa J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3752 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  RSA237563  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou Northeast of Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  POM252810  Castilleja psittacina A. A. Heller 1938-7-12 15261 Siskiyou Near the eastern base of Deer Mountain on U.S. Highway 97. 1372 Comment
  CAS-BOT-BC241084  Castilleja schizotricha G. J. Muth 1969-8-6 1200 Siskiyou Boulder Peak 2529 Comment
  JEPS93846  Castilleja tenuis Vernon H. Oswald and Lowell Ahart 1998-6-11 9207 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CAS-BOT-BC48650  Ceanothus cordulatus A. A. Heller 1905-6-5 7968 Siskiyou Between Shasta Retreat and Shasta Springs, along the Sacramento a short distance below Shasta Springs 762 Comment
  CAS-BOT-BC48654  Ceanothus cordulatus Alice Eastwood 1912-7-20 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC49195  Ceanothus cuneatus Geo. D. Butler 1910-5-28 1418 Siskiyou Near Yreka Comment
  POM332457  Ceanothus cuneatus J. P. Smith 1973-5-5 6524 Siskiyou Scott Bar along the Scott River. Comment
  HSC25662  Ceanothus integerrimus J. O. Sawyer 1969-8-18 2020 Siskiyou SE facing midslope near CCC Rd. Comment
  JEPS42428  Ceanothus integerrimus W. L. Jepson 1914-8-14 6170 Siskiyou Dunsmuir 670 Comment
  UC18349  Ceanothus integerrimus State Survey 1862-9-9 1363 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC63602  Ceanothus integerrimus D. M. Traugh 1933-5-30 75403 Siskiyou Klamath Forest. 579 Comment
  JEPS19771  Ceanothus prostratus Rimo Bacigalupi with S. Galen Smith 1957-6-26 5957 Siskiyou e shore of Gumboot Lake, head of South Fork Sacramento River, close to Trinity Co. line 1859 Comment
  RSA47597  Ceanothus prostratus Roxana S. Ferris, Laura Lorraine 1948-6-12 11813 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  RSA47604  Ceanothus prostratus Roxana S. Ferris, Laura Lorraine 1948-6-12 11737 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC796434  Ceanothus prostratus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11737 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road w of Callahan 1066 Comment
  JEPS42104  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn Mt. Comment
  JEPS89111  Ceanothus tomentosus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
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May 9 2008
  CAS-BOT-BC63158  Ceanothus velutinus W. B. C. 1938-6-24 11104 Siskiyou Sisson Southern Trail. 1524 Comment
  LA45114  Ceanothus velutinus Wm. Bridge Cooke; 1939-7-14 13692 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  OBI36629  Ceanothus velutinus David J. Keil 1983-7-3 17381 Siskiyou Slopes of Mt. Shasta along Memorial hwy Comment
  UC1190266  Ceanothus velutinus Ira L. Wiggins 1955-7-24 13488 Siskiyou ridge betw upper reaches of China Creek and Blind Horse Creek; btw upper reaches of China and Blind Horse Creeks 1463 Comment
  UC1483459  Ceanothus velutinus Maralyn A. Renner 1980-7-23 1921 Siskiyou Pacific Crest Trail on w side Upper Devils Peak; Klamath National Forest, Seiad Valley Quad. 1767 Comment
  CAS-BOT-BC52845  Ceanothus velutinus var. velutinus Doris K. Kildale 1928-8-20 6633 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC52848  Ceanothus velutinus var. velutinus Elmer I. Applegate 1935-6-11 9499 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  HSC67803  Ceanothus velutinus var. velutinus J. O. Sawyer, J. Cole 1980-7-22 3978 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CDA21534  Centaurea X moncktonii B. Villegas 2001-7-8 s.n. Siskiyou Northern California; Indian Creek Bridge near Happy Camp. 0 Comment
  CDA20009  Centaurea jacea M. Bagley 2002-8-1 PDR P 087837 -A Siskiyou Northern California; Vicinity of Mt Shasta. 0 Comment
  RSA170310  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou Abundant in barley, also in adj. lawn of ranch house and rangeland, W H Kerr, Flying K Ranch, upper Quartz Valley, 2 miles S of Mugginsville. Comment
  UC1727931  Centaurium Eva Grotkopp 1997-8-2 Siskiyou along Canal Gulch Rd. near Hawkinsville (near garbage dump, nw of Yreka,) 1000 Comment
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Oct 16 2014
  JEPS38136  Centromadia fitchii Geo. D. Butler 1908-7-23 507 Siskiyou Yreka 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
  CDA3357  Cerastium dichotomum T. C. Fuller 1962-6-12 8969 Siskiyou B. M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  CAS-BOT-BC142158  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1934-7-12 2901 Siskiyou Cottonwood Creek - Klamath Forest 1066 Comment
  RSA611268  Cercocarpus ledifolius Louis C. Wheeler 1935-7-4 3654 Siskiyou Yreka Creek. 884 Comment
  CAS-BOT-BC148514  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1964-5-11 40702 Siskiyou Ridge ne. of Callahan on road to Gazelle Comment
  HSC92684  Chaenactis douglasii var. douglasii Jennifer Whipple 1976-7-14 1471 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  JEPS34206  Chaenactis douglasii var. douglasii W. L. Jepson Jul 17 1902-Jul 22 1902 2100 Siskiyou Devil's Backbone, w Siskiyou Devil's Backbone 1828 Comment
  JEPS80545  Chaenactis douglasii var. douglasii Gilbert Muth 1965-8-12 216 Siskiyou Black Mountain front slope, Marble Mt. Wilderness Area Black Mountain, Marble Mountain 2194 Comment
  UCR52248  Chaenactis douglasii var. douglasii E. E. Stanford 1930-6-15 1592 Siskiyou Near Shasta City 1098 Comment
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Oct 11 2010
  CAS-BOT-BC106037  Chaenactis suffrutescens Brandegee s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC106039  Chaenactis suffrutescens H. M. Hall; E. B. Babcock 1903-6-1 4081 Siskiyou Upper part of Shasta Valley - Mount Shasta 1158 Comment
  CAS-BOT-BC106042  Chaenactis suffrutescens L. E. Smith 1913-6-12 357 Siskiyou Road from Sisson to Castle Lake Comment
  JEPS101314  Chaenactis suffrutescens Dean W. Taylor 1999-7-18 17286 Siskiyou Moffett Creek Road 2.8 miles South from junction with Highway 3, opposite confluence Crooked Creek 295 Comment
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Jul 5 2007
  SBBG30541  Chamaebatiaria millefolium D. Myrick 1968-6-22 1987 Siskiyou Lava Beds Nat Monument 1371 Comment
  HSC68409  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-4 1413 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  SEINET13289857 Image available Chamaecyparis lawsoniana C. G. Pringle 1882-1 Siskiyou Siskiyou County Comment
  CDA41128  Chamaesaracha nana C. S. Giebner 1961-8-2 s.n. Siskiyou Ralph Leavers prop., Mt. Hebron. 0 Comment
  HSC77230  Chamaesyce maculata L. P. Janeway 1982-7-9 51 Siskiyou Along the shoulder of Hwy. 96, S of Happy Camp. 335 Comment
  HSC19503  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-8-4 1794 Siskiyou Along C.C.C. road 1341 Comment
  JEPS25667  Chamerion latifolium Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7310 Siskiyou just e Del Norte County line (4 air-line mi nne of Preston Peak); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  HSC78315  Cheilanthes gracillima L. P. Janeway 1983-9-22 687 Siskiyou Ridge NW of Poker Flat (the Siskiyou crest) 1585 Comment
  HSC4386  Chenopodium leptophyllum D. M. Thomson 1965-8-14 189 Siskiyou Lava Beds National Monument, Tickner Rd., 1.5 mi. from SE entrance Comment
  JEPS80663  Chenopodium pratericola W. B. and V. G. Cooke 1968-7-1 39230 Siskiyou Andesite Road at US-97 (n base of mt.); Mt. Shasta Comment
  RSA467012  Chimaphila menziesii L. C. Wheeler 1934-8-24 3221 Siskiyou Trapper Creek. 1616 Comment
  CAS-BOT-BC452277  Chimaphila umbellata Ira L. Wiggins 1955-7-21 13434 Siskiyou Rush Creek Trail, 2 mi. above Mt. View Ranch 1097 Comment
  CAS-BOT-BC452279  Chimaphila umbellata Doris K. Kildale 1929-8-24 9074 Siskiyou Rattlesnake Meadow, near Preston Peak 1524 Comment
  CAS-BOT-BC452280  Chimaphila umbellata Doris K. Kildale 1928-8-18 6449 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp Comment
  CHSC1407  Chimaphila umbellata M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  JEPS48634  Chimaphila umbellata Geo. D. Butler 1908-8-4 58 Siskiyou head of Shackelford Creek 1676 Comment
  UC166577  Chimaphila umbellata Geo. D. Butler 1908-8-4 58 Siskiyou head of Shackleford Creek Comment
  JEPS58868  Chimaphila umbellata W. L. Jepson 1902-7-22 2088 Siskiyou trail from Salmon Forks (Salmon Summit); Western Siskiyou, Salmon Summit 1371 Comment
  RSA758592  Chimaphila umbellata R. F. Thorne 1969-8-2 63400 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  SD73153  Chimaphila umbellata Darley F. Howe 1969-8-30 Siskiyou North Fork of Salmon River, Blake's Creek, about 20 miles southwest of Aetna 1829 Comment
  POM132085  Chimaphila umbellata subsp. occidentalis E. B. Copeland 1903-8-15 3828 Siskiyou Mt. Shasta 1829 Comment
  RSA138343  Chimaphila umbellata subsp. occidentalis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1279 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  CAS-BOT-BC36388  Chrysolepis chrysophylla H. E. Brown 1897-7-15 588 Siskiyou South side of Mt. Shasta 3048 Comment
  JEPS37867  Chrysolepis chrysophylla W. L. Jepson Jul 17 1902-Jul 22 1902 2064 Siskiyou Devil's Backbone; w Siskiyou County 1828 Comment
  CAS-BOT-BC36235  Chrysolepis sempervirens Wm. Bridge Cooke 1938-9-8 11645 Siskiyou North side of Red Butte, Mount Shasta 2468 Comment
  CAS-BOT-BC36238  Chrysolepis sempervirens Wm. Bridge Cooke 1938-9-8 11645 Siskiyou North side of Red Butte, Mount Shasta 2468 Comment
  HSC4937  Chrysolepis sempervirens J. O. Sawyer 1968-7-23 574 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC67748  Chrysolepis sempervirens J. O. Sawyer, J. Cole 1980-7-20 3807 Siskiyou E side of Grouse Hill 2134 Comment
  HSC8066  Chrysolepis sempervirens Dorothy Parker 1949-8-12 365 Siskiyou Near Duck Lake Creek, Salmon Mtn. 1524 Comment
  JEPS37660  Chrysolepis sempervirens B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  POM106432  Chrysolepis sempervirens Edward Palmer 1892-7-13 2562 Siskiyou Mt. Shasta and vicinity. Comment
  HSC5345  Chrysothamnus viscidiflorus subsp. viscidiflorus R. C. Wunner 1965-9-9 515 Siskiyou California Lava Beds National Monument; Indian Well area near N prefab 1433 Comment
  UC904776  Chrysothamnus viscidiflorus subsp. viscidiflorus W. Bridge Cooke 1949-8-26 25689 Siskiyou opposite Coquette Falls (e bank of Bolam Creek); Mount Shasta, Bolam Creek 2590 Comment
  UCD130483  Cichorium intybus Morris Halperin 1930-5-17 s.n. Siskiyou near Montague, Schumacher Gulch. Comment
  UC165375  Cicuta douglasii Geo. D. Butler 1910-7-15 1788 Siskiyou Oro Fino Creek Comment
  LA86550  Cinna latifolia J. M. Tucker; 1963-8-19 3775 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek 1950 Comment
  CHSC85687  Circaea alpina subsp. pacifica G. F. Hrusa 1998-7-5 14698 Siskiyou Siskiyou Mountains. Cedar Camp Rd. +/- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Roadside. Comment
  HSC29133  Circaea alpina subsp. pacifica Frederick W. Oettinger 1968-8-11 480 Siskiyou Marble Mtn. Wilderness Area, near Tom Tyler Cabin 2012 Comment
  CAS-BOT-BC285346  Cirsium andersonii L. E. Smith 1913-7-27 491 Siskiyou McCloud Comment
  HSC71093  Cirsium andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4545 Siskiyou Along State Route 3, just N of Scott Mtn summit. 1585 Comment
  CAS-BOT-BC278049  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  RSA0070596  Cirsium cymosum S. O. Mattoon 1979-5-26 98 Siskiyou Crawford Creek on Eddy Gulch L. O. Road, 2 road miles north of Cecilville, Salmon Mts. 610 Comment
  CDA35788  Cirsium cymosum var. canovirens Jodi Aceves 2011-7-2 PDR# 1466465 Siskiyou Copco Lake, Ager Beswick Road. 0 Comment
  UC30780  Cirsium douglasii var. breweri W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta, Sisson Comment
  CAS-BOT-BC279884  Cirsium douglasii var. breweri John Thomas Howell 1952-6-14 28329 Siskiyou Mt. Shasta City Comment
  CAS-BOT-BC285575  Cirsium occidentale var. candidissimum Alice Eastwood 1912-7-20 1256 Siskiyou Hornbrook Comment
  CAS-BOT-BC288013  Cirsium occidentale var. candidissimum Lewis S. Rose 1945-6-22 45155 Siskiyou Walker, Klamath River 533 Comment
  JEPS80598  Cirsium remotifolium var. odontolepis Gilbert Muth 1966-8-1 485 Siskiyou Marble Valley Horse Pasture Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC286466  Cirsium scariosum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 miles south of Gazelle Comment
  RSA297179  Cirsium vulgare Geo. D. Butler 1908-8-17 505 Siskiyou Along Creek, Butler's Ranch near Yreka Comment
  CAS-BOT-BC228976  Cistanthe umbellata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Shackleford Trail below Bull Meadow Comment
  CAS-BOT-BC228971  Cistanthe umbellata Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  CHSC86456  Clarkia gracilis subsp. gracilis Jenny Marr 1993-7-1 73 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CAS-BOT-BC164967  Clarkia rhomboidea Alice Eastwood 1912-7-15 1149 Siskiyou McCloud Comment
  CAS-BOT-BC164969  Clarkia rhomboidea John Thomas Howell 1937-7-22 13307 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC61179  Clarkia rhomboidea W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  HSC46174  Clarkia rhomboidea Jennifer Whipple 1978-6-5 2348 Siskiyou Weston Gulch in Scott Valley 854 Comment
  POM208195  Clarkia rhomboidea Louis C. Wheeler 1934-6-19 2740 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  RSA0059500  Claytonia cordifolia J. T. Howell 1939-8-3 15012 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  CDA23949  Claytonia exigua subsp. exigua F. D. Horn 1978-3-3 Siskiyou Shasta River Canyon near Yreka. 0 Comment
  RSA0080497  Claytonia lanceolata P. A. Munz 1952-7-2 17896 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  POM101992  Claytonia parviflora Geo. D. Butler 1910-5-8 1305 Siskiyou Near Yreka. Comment
  UC165441  Claytonia parviflora subsp. parviflora Geo. D. Butler 1910-5-8 1305 Siskiyou near Yreka Comment
  CDA23962  Claytonia rubra subsp. depressa Vernon H. Oswald & Lowell Ahart 1998-6-11 9219 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  CHSC71314  Claytonia rubra subsp. depressa Vernon H. Oswald; Lowell Ahart 1998-6-11 9219 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sam Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  CAS-BOT-BC443827  Claytonia rubra subsp. rubra Geo. D. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC443829  Claytonia rubra subsp. rubra H. A. Thomas; J. H. Thomas 1954-7-21 4427 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1219 Comment
  UC618651  Claytonia rubra subsp. rubra unknown 1938-7-1 11122 Siskiyou Bear Spring; Mount Shasta Comment
  RSA537379  Clematis ligusticifolia Walter Wisura, J. Romero 1991-10-17 4593 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  SEINET6907101  Clematis ligusticifolia M. K. Solecki, J. B. Taft 1986-9-9 2144 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  CHSC95116  Clintonia uniflora L. P. Janeway 2006-7-2 8741 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  JEPS80533  Clintonia uniflora Gilbert Muth 1966-7-17 401 Siskiyou Marble Mountain Wilderness Area, Trail to Lookout Marble Mountain Wilderness Area 1805 Comment
  CAS-BOT-BC500962  Clintonia uniflora Philip A. Munz 1952-7-1 17861 Siskiyou Baldy Mountain road, northwest of Happy Camp, Siskiyou Mountains 1219 Comment
  UC1409408  Collinsia linearis Frederick W. Oettinger 1968-9-9 794 Siskiyou ne of Tom's Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); High Lake Basins, Marble Mtn Wilderness Area, Salmon Mts 1828 Comment
  CDA41379  Collinsia parviflora T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  UC1409410  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness, meadows of Upper English Lake, Salmon Mountains, western Siskiyou County Upper English Lake; Salmon Mountains, Marble Mountain Wilderness 1676 Comment
  UC1112258  Collinsia rattanii Rimo C. Bacigalupi with Galen Smith 1957-6-26 5961 Siskiyou along road to Gumboot Lake, South Fork of the Sacramento River 4 mi sw of junction with North Fork and w of the town of Mount Shasta South Fork of the Sacramento River 1432 Comment
  POM208360  Collinsia rattanii Louis C. Wheeler 1934-6-12 2692 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. 1463 Comment
  SEINET13406273  Collinsia rattanii G. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain. 1219 Comment
  JEPS26522  Collinsia torreyi var. latifolia Lauramay T. Dempster 1961-7-2 1853 Siskiyou sw Etna (ridge w of Salmon Mtn. Summit) 1828 Comment
  UC454129  Collinsia torreyi var. latifolia I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  UC1229785  Collinsia torreyi var. latifolia G. Newcomb and F. Chisaki 1958-6-22 1157 Siskiyou between Fort Jones and Gazelle 9.6 mi w on road from Fort Jones to Duzel Rock and 9.4 mi s from this road to Duzel Rock Duzel Rock 1645 Comment
  JEPS71023  Collomia grandiflora Geo. D. Butler 1909-6-5 796 Siskiyou dry fields near Yreka Comment
  JEPS80584  Collomia grandiflora Gilbert Muth 1965-7-29 137 Siskiyou meadow below Marble Rim; Marble Mt. Wilderness Area 1895 Comment
  UC879755  Collomia grandiflora A. A. Heller 1916-6-23 12436 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  HSC90215  Collomia tinctoria Michael P. Murray Jul 1991 3 Siskiyou Marble Mtn. Wilderness Area, E facing slope of Elk Valley 1890 Comment
  HSC27966  Collomia tracyi Carl W. Mize 1972-6-8 4 Siskiyou Along main trail 335 Comment
  HSC44488  Collomia tracyi K. Irwin 1977-5-22 385 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  CAS-BOT-BC180415  Comandra umbellata subsp. californica Wm. Bridge Cooke 1942-6-7 16007 Siskiyou along the Abrams Lake road near Mt. Shasta City 1066 Comment
  HSC19039  Corallorhiza maculata J. O. Sawyer 1969-6-11 812 Siskiyou Next to C.C.C. road near the N fork of Horse Range Creek. 1326 Comment
  HSC29151  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou Salmon Mountains, High Lake Basins, NNE of Pine Lake 2073 Comment
  RSA47659  Corallorhiza maculata Roxana S. Ferris, Laura Lorraine 11751 Siskiyou French Creek logging road west of Callahan. 1067 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
  RSA381992  Corallorhiza mertensiana M. B. Dunkle 1944-7-8 9084 Siskiyou Deer Creek, Siskiyou National Forest Comment
  RSA0006005  Cordylanthus pallescens Francis W. Pennell 1940-7-18 26184 Siskiyou 2-3 mi. north of Mt. Shasta City. 1159 Comment
  CHSC110173  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16280 Siskiyou Road to trailhead for Black Butte Trail. (Study site 25). 1353 Comment
  HSC103859  Cordylanthus tenuis subsp. viscidus Thomas W. Nelson, Shauna Hee 2006-8-4 9463 Siskiyou Scott Mtn. Pass, along ridge between Carmen Lake, Hwy. 3, ridge S of junction of FS Rds. 40N08 and 44N44 1671 Comment
  HSC89859  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi, G. Thomas Robbins, T. W. Custer 1954-8-12 4791 Siskiyou Along highway following the Klamath River, 1/2 mi. W of Hamburg 457 Comment
  OBI59411  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi, C. L. Custer & G. T. Robbins 1954-8-12 4790 Siskiyou 5.1 mi below (and SE of ) summit of the road between Takilma, OR and Happy Camp-Klamath Natl Forest, Siskiyou Mts; drainage of the West Branch of Indian Creek 914 Comment
  RSA397465  Cornus nuttallii Christopher Davidson 1975-6-5 2648 Siskiyou 2.0 mi E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1189 Comment
  CAS-BOT-BC210392  Cornus sericea Doris K. Kildale 1928-8-18 6424 Siskiyou North Fork Salmon River at Finley Camp Comment
  CAS-BOT-BC210407  Cornus sericea W. R. Dudley 1899-8-22 s.n. Siskiyou 1st Spring - Craggy Peak Comment
  CAS-BOT-BC210409  Cornus sericea Doris K. Kildale 1928-7-4 5466 Siskiyou 3 miles west of Summit on Sawyers Bar - Etna Mills road Comment
  CAS-BOT-BC212151  Cornus sericea William A. Dayton 1913-6-14 8257 Siskiyou On banks of Rail Creek, Shasta Forest 1341 Comment
  HSC19270  Cornus sericea subsp. sericea J. O. Sawyer 1968-7-10 500 Siskiyou Along S Sugar Creek. 1768 Comment
  RSA68927  Cornus sericea subsp. sericea A. E. Culbertson 1943-7-12 30 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  SBBG59866  Cornus sessilis A. Lefebure 1941-10-19 Siskiyou E Fork, Stuart Fork, Trinity River Comment
  UC375261  Corylus californica Geo. D. Butler 1908-11-2 1076 Siskiyou Forest House road Comment
  UCR246630  Crataegus douglasii G. D. Barbe 1984-6-8 4167 Siskiyou Confluence of Kidder Creek with Scott River, 0.7 mile north of Hwy 3 on Lighthill Road south of Fort Jones 831 Comment
  JEPS109397  Crataegus gaylussacia Dean W. Taylor 2004-7-19 19186 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  CHSC71469  Crepis acuminata Vernon H. Oswald; Lowell Ahart 1998-7-21 9319 Siskiyou Hwy. 97 at the 11.0 mi mile marker 1.2 mi west of A12 northeast of Weed. Roadside bank. 1188 Comment
  HSC5441  Crepis acuminata R. C. Wunner 1965-6-10 146 Siskiyou California Lava Beds N. M. below Caldwell minor; E slope of Caldwell 1402 Comment
  UC1408879  Crepis occidentalis F. W. Oettinger 1969-8-15 1385 Siskiyou dry meadow w Upper English Lake; Salmon Mts., English Peak region 1783 Comment
  CAS-BOT-BC290873  Crepis pleurocarpa G. P. Rixford No date on label s.n. Siskiyou South side Shaft-rock [Shaft Rock] Mt., Hilt Comment
  SEINET11840723  Crepis pleurocarpa C. G. Pringle 1882-1 s.n. Siskiyou about the head waters of Sacramento River 2438 Comment
  UCD59943  Crypsis schoenoides Rimo Bacigalupi; Drs. Reino and Aloha Alava 1958-9-2 6812 Siskiyou ca. 3 miles northeast of Weed, head of Shasta Valley. 975 Comment
  JEPS93886  Cryptantha ambigua Vernon H. Oswald and Lowell Ahart 1998-7-21 9332 Siskiyou on the s side of Tennant Road 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake at a gravel pit); Tennant Road 1402 Comment
  CDA18396  Cryptantha flaccida G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2770 Siskiyou Klamath Ranges; At the bridge of Hwy 3 over the East Fork Scott River, 2 mi W of Callahan. 987 Comment
  UC78717  Cryptantha flaccida T. S. Brandegee Jul 1887 Siskiyou Edgewood Comment
  UC79409  Cryptantha flaccida Katharine Brandegee Jul 1887 Siskiyou Ager Comment
  JEPS25598  Cryptantha torreyana Rimo Bacigalupi 1959-7-2 7230 Siskiyou near n base of Caribou Mtn. (headwaters of South Fork of the Salmon River, just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  SBBG81349  Cryptogramma acrostichoides R. N. Philbrick 1976-7-2 Siskiyou just above S side of Sugar Lake 1981 Comment
  CAS-BOT-BC383126  Cryptogramma cascadensis Andrew Townesmith; Karen M. Meyer 2007-7-30 874 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  UCD78125  Cryptogramma cascadensis Robert E. Preston 2001-6-23 1579 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  CAS-BOT-BC85603  Cupressus bakeri Malcom P. Anderson 1902-2-16 s.n. Siskiyou Forks of Seiad Creek, Siskiyou Mts. Comment
  JEPS48247  Cupressus bakeri Louis C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek Siskiyou Mts. 1158 Comment
  POM212070  Cupressus bakeri C. B. Wolf 1930-10-19 1746 Siskiyou Modoc Lava Beds, 1 mile E of Timbered Butte on Old Stage Road from CW Hill Farm to Dana to Little Hot Springs Valley Comment
  RSA22766  Cupressus bakeri O. V. Matthews 1939-7-11 30 Siskiyou Nearly the highest point of Seiad Grove, Seiad Region 1433 Comment
  RSA22767  Cupressus bakeri O. V. Matthews 1939-7-11 31 Siskiyou Seiad Grove - Seiad Region, west side of mining company trail along ridge above cook house 915 Comment
  RSA24032  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou NW Goose Nest, E of Yreka Comment
  JEPS48635  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  RSA625175  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1963-8-25 8269 Siskiyou South side of Preston Peak: Head Rattlesnake Creek. 1829 Comment
  UC22935  Cycladenia humilis var. humilis Milo S. Baker 1893-8-5 Siskiyou Medicine Lake 1828 Comment
  CHSC63601  Cynoglossum officinale Vernon H. Oswald; Lowell Ahart 1994-8-10 6458 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. In meadow border and roadsides. 1359 Comment
  CHSC96748  Cynoglossum officinale T. C. Fuller 1967-6-27 16034 Siskiyou In fencerow, w. side of rd. to McCloud Reservoir, 0.3 mi. s. of McCloud, Siskiyou Co. Comment
  JEPS87640  Cynoglossum officinale Vernon H. Oswald and Lowell Ahart 1994-8-10 6458 Siskiyou ca. 4 mi.(air) n.-n.e. Bartle (FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi. w. of Harris Spring Rd. (FS 15)); Bartle Creek, Stillwater Meadows 1359 Comment
  UC837442  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station Siskiyou Mts., Klamath R., Oak Knoll Ranger Station 670 Comment
  HSC79094  Cyperus squarrosus Paul Wilson 1984-8-29 358 Siskiyou Juanita Lake Reservoir, next to lake edge 1555 Comment
  UC1258463  Cypripedium californicum Maralyn A. Renner 1980-7-4 1457 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad. 1036 Comment
  UCD136353  Cystopteris fragilis Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1828 Comment
  POM120356  Cystopteris fragilis Geo D. Butler 1910-7-9 1694 Siskiyou Shackleford Creek. 1220 Comment
  UC750579  Damasonium californicum Lewis S. Rose 1946-6-4 46144 Siskiyou 2 mi. s. Dorris 1219 Comment
  SEINET3895842 Image available Damasonium californicum George Neville Jones 1967-6-30 45134 Siskiyou In pond near Dorris.; 0 Comment
  CAS-BOT-BC192262  Danthonia californica Geo. D. Butler 1910-7-8 1660 Siskiyou Shackleford Creek 1219 Comment
  UC1108540  Danthonia californica var. americana Ira L. Wiggins 1955-7-27 13551 Siskiyou Caribou Lake Salmon River-Trinity Alps Primitive Area 2042 Comment
  RSA115694  Danthonia intermedia Beecher Crampton 1956-8-22 3861 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  CAS-BOT-BC192355  Danthonia unispicata Clare B. Hardham 1961-7-3 8077 Siskiyou Scott Mountain South of Calahan [Callahan] Comment
  CAS-BOT-BC76233  Darlingtonia californica David D. Keck 1938-8-8 4866 Siskiyou At Trinity county line. Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1676 Comment
  UCSB51238  Darlingtonia californica Almanza, Ed 1976-7-14 Siskiyou Castle Lake; Trinity Mountains 2407 Comment
  RSA30642  Darmera peltata Lincoln Constance, R. C. Rollins 1942-5-13 s.n. Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  HSC19077  Delphinium andersonii J. O. Sawyer 1969-6-2 1017 Siskiyou Summit above Albert Lake 2256 Comment
  HSC19076  Delphinium decorum subsp. tracyi J. O. Sawyer 1969-6-13 950 Siskiyou Slope above Little Duck Lake 2134 Comment
  CAS-BOT-BC8979  Delphinium depauperatum Dorothy Inez Parker 1967-6-1 s.n. Siskiyou Scott Mountain 1524 Comment
  POM99878  Delphinium glaucum Geo. D. Butler 1908-8-6 353 Siskiyou Whiskey Camp Independence Creek Comment
  CAS-BOT-BC10145  Delphinium menziesii L. R. Short 1933-5-22 54 Siskiyou Klamath National Forest 609 Comment
  RSA99311  Delphinium nudicaule Geo. D. Butler 1910-5-7 1299 Siskiyou In thickets, dry hills near Yreka. Comment
  CAS-BOT-BC116163  Delphinium nuttallianum John Thomas Howell 1937-7-22 13301 Siskiyou South Fork of Salmon River near Big Flat, 1524 Comment
  HSC41682  Delphinium nuttallianum Jennifer Whipple 1976-7-2 1283 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS19761  Delphinium nuttallianum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5950 Siskiyou Gumboot Lake South Fork of Trinity River (s end, head of river, close to Trinity Co. line) 1859 Comment
  RSA120770  Delphinium nuttallianum S. S. Tillett 1956-7-9 651 Siskiyou E side of Scott Mtn; Siskiyou Trinity County line; 8 miles SE of Callahan. 1890 Comment
  SBBG2168  Delphinium nuttallianum H. and M. Dearing 1938-6-29 2190 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  CAS-BOT-BC116172  Delphinium nuttallianum Clare Butterworth Hardham 1961-7-3 8070 Siskiyou Scott Mountains, South of Calahan. Comment
  RSA238283  Delphinium nuttallianum Frederick W. Oettinger 1969-7-10 955 Siskiyou Base of cliff SW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC69102  Deschampsia cespitosa Maralyn A. Renner 1980-8-4 2228 Siskiyou Flint Valley 1390 Comment
  UCD61120  Deschampsia cespitosa A. H. Murphy 1954-8-11 54 -E Siskiyou Round Meadow. 1676 Comment
  UCD21467  Deschampsia cespitosa subsp. cespitosa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1207 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. Along shores of Gray Rock Lake. 1800 Comment
  CAS-BOT-BC201935  Deschampsia elongata Geo. D. Butler 1910-7-7 1769 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC201938  Deschampsia elongata H. A. Thomas; J. H. Thomas 1954-7-24 4513 A Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  UCD63489  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3435 Siskiyou 4 miles W of Hamburg, mouth of Kuntz Creek. Comment
  SEINET4567140  Deschampsia elongata E. Palmer 1892-1 2642 Siskiyou Near Mt. Shasta Comment
  POM369568  Descurainia incana subsp. viscosa M. B. Dunkle 1944-7-7 9081 Siskiyou Deer Creek 1768 Comment
  CHSC93557  Descurainia incisa subsp. filipes Lowell Ahart; John Dittes 2005-6-10 12062 Siskiyou Near a poor dirt road, about 80 yards north 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
  UC673281  Descurainia pinnata subsp. halictorum Lincoln Constance and Reed C. Rollins 1942-5-14 2932 Siskiyou 6 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  CAS-BOT-BC43520  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  SDSU2980  Dianthus armeria subsp. armeria D. F. Howe 1977-7-2 4981 Siskiyou Scott River resort area. 610 Comment
  UC1362281  Dicentra formosa K. R. Stern 1965-5-29 2171 Siskiyou ca 15 mi nnw Klamath River (town) (1.2 mi below Deer Camp) Comment
  CAS-BOT-BC402482  Dicentra formosa subsp. formosa Donald Myrick 1961-6-21 312 Siskiyou Meadow on Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99 Comment
  JEPS86114  Dicentra pauciflora Wayne Roderick 1966-7-23 Siskiyou Castle Lake; and higher up trail to Little Castle Lake 1676 Comment
  HSC36778  Dichelostemma capitatum subsp. capitatum J. P. Smith 1974-5-25 7428 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC375155  Dichelostemma multiflorum Geo. D. Butler 1909-7-20 887 Siskiyou Highland Mine Salmon Range 1828 Comment
  HSC5957  Dieteria canescens var. canescens D. M. Thomson 1965-8-21 202 Siskiyou California Lava Beds National Monument; 1/2 mi. N of Devil's Homestead Lava Flow Comment
  CAS-BOT-BC290992  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  CAS-BOT-BC291021  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-7-28 11365 Siskiyou Mount Shasta. North Ridges Comment
  CAS-BOT-BC291026  Dieteria canescens var. shastensis John Thomas Howell 1939-8-4 15045 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  JEPS19525  Dieteria canescens var. shastensis Peter H. Raven 1956-9-4 10395 Siskiyou pass just s Mt. Eddy 2438 Comment
  UC1096784  Dieteria canescens var. shastensis Wagnon 1957-8-11 1701 Siskiyou ca. 1 mi w, along rd. to Brewer's Creek Military Pass Rd.; North Coast Ranges, e slope of Mt. Shasta, Brewer's Creek Comment
  UC618849  Dieteria canescens var. shastensis W. Bridge Cooke 1938-8-21 11536 Siskiyou Horse Camp Flats, Hudsonian Mount Shasta, Horse Camp Flats, Hudsonian <zone> Comment
  UCSB63902  Dieteria canescens var. shastensis Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56)3.7 mi. east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave; T42N R4E NE1/4 NE1/4 Sect.6 1755 Comment
  HSC103635  Dieteria canescens var. shastensis Thomas W. Nelson, Jane Nelson 1983-8-12 7591 Siskiyou Along Forest Service Rd. 40N08, ~ 1 mi. from junction with State Route 3 at Scott Mountain summit 1646 Comment
  SEINET5709532 Image available Dieteria canescens var. shastensis Lowell E. Urbatsch, D. Clark 1974-1 1509 .5 Siskiyou Along rd to Ski Bowl on Mt. Shasta.; Mount Shasta 1676 Comment
  SEINET185054 Image available Diplacus nanus C. L. Hitchcock, J. S. Martin 1939-1 5318 Siskiyou Between King's Castle and Black Mountain, west side of ridge. 1829 Comment
  JEPS107661  Distichlis spicata Lowell Ahart, John Dittes 2005-6-9 12004 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
  RSA256602  Dodecatheon hansenii J. P. Smith 1974-5-25 7463 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  RSA461379  Dodecatheon hendersonii Anstruther Davidson 1920-01 s.n. Siskiyou [Unspecified] Comment
  HSC4469  Dodecatheon jeffreyi William J. Ferlatte 1966-6-22 72 Siskiyou Josephine Lake Basin, base of cliff 1677 Comment
  CHSC71231  Downingia pulcherrima Vernon H. Oswald; Ken Beatty, Jay Thesken 1998-6-6 9171 Siskiyou Buckaroo Hole, Butte Valley National Grassland between Macdoel and Dorris. 1280 Comment
  CHSC71479  Downingia pulcherrima Vernon H. Oswald; Lowell Ahart 1998-7-21 9356 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  HSC61986  Draba howellii Al Hobart 18 Jun [year missing] Siskiyou Preston Peak Comment
  HSC6738  Draba howellii H. P. Chandler Jun 1901 1654 Siskiyou Marble Mtn. 2439 Comment
  JEPS53534  Draba nemorosa Geo. D. Butler 1909-4-4 575 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC41305  Draba pterosperma John Thomas Howell 1939-8-4 15038 Siskiyou Marble Mountains. Marble Rim. Comment
  CAS-BOT-BC41308  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5302 Siskiyou North side of Black Mountain near Marble Mountain (King's Castle). 2072 Comment
  JEPS53535  Draba verna Geo. D. Butler 1909-4-6 549 Siskiyou along creek near Yreka; along creek near Yreka Comment
  HSC76866  Drymocallis lactea var. lactea K. T. Stillman 1976-9-9 476 Siskiyou Marble Mtn. Wilderness Area; N and NE side of Black Mtn. Comment
  JEPS73747  Echinochloa crus-galli Geo. D. Butler 1908-8-28 490 Siskiyou near Oro Fino (Wright & Fletcher's Ranch); Wright & Fletcher's Ranch Comment
  SD76185  Echinochloa muricata Helen V. Witham 1969-10-7 571 Siskiyou 10 miles west of Fort Jones, Scott River 700 Comment
  CDA4585  Echinops exaltatus V. Pierce, M. Grifantini 1970-7-2 Siskiyou David Caldwell property, The Pines, Interstate 5, south of Yreka. 0 Comment
  UCD169261  Elaeagnus angustifolia T. Bruchman 1978-7-1 299 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  UC1265386  Eleocharis bella Frederick W. Oettinger 1969-8-15 1387 Siskiyou vicinity of English Peak (inlet to Upper English Lake); Salmon Mountains, Western Siskiyou County, Marble Mountain W 1767 Comment
  HSC30715  Eleocharis bella Frederick W. Oettinger 1969-8-15 1387 Siskiyou Marble Mtn. Wilderness Area, vernal pool at Upper English Lake 1768 Comment
  RSA238953  Eleocharis bella Frederick W. Oettinger 1969-8-15 1387 Siskiyou Inlet of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  JEPS121386  Eleocharis decumbens Barbara L. Wilson 2011-8-23 16873 Siskiyou Fawn Creek meadows Comment
  UC184011  Eleocharis macrostachya Geo. D. Butler 1910-5-26 1410 Siskiyou Yreka Comment
  RSA577441  Eleocharis parishii L. C. Wheeler 1934-6-3 2628 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  CAS-BOT-BC451557  Elodea canadensis Louis C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River, Siskiyou Mts. 518 Comment
  CAS-BOT-BC451559  Elodea canadensis Louis C. Wheeler 1934-6-2 2624 Siskiyou Klamath National Forest, Cherry Flat, Klamath R. 518 Comment
  POM205576  Elyhordeum macounii E. B. Copeland 1903-7-4 3540 Siskiyou Klamathon Comment
  CAS-BOT-BC227127  Elymus Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan 1005 Comment
  UCR101238  Elymus L. C. Wheeler 1934-8-14 3132 Siskiyou Siskiyou Mtns, North side of White Mountain 1768 Comment
  HSC100300  Elymus caput-medusae J. P. Smith, & J. O. Sawyer 2011-6-25 13259 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC41108  Elymus elymoides var. elymoides J. P. Smith, Steve Selva 1970-7-17 4450 Siskiyou Below Kangaroo Lake. 1890 Comment
  CAS-BOT-BC206610  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-7-21 8750 Siskiyou Elk Lick, Sotuh Fork of Indian Creek 1219 Comment
  HSC31100  Elymus glaucus subsp. glaucus Frederick W. Oettinger 1968-9-1 638 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbot's Lake 1723 Comment
  UCD62333  Elymus glaucus subsp. glaucus Robert E. Preston 2001-6-30 1660 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  CAS-BOT-BC206603  Elymus glaucus subsp. glaucus W. R. Dudley 1901-8-23 s.n. Siskiyou East slope of Foxtail Ridge, Salmon Mountains Comment
  CAS-BOT-BC235218  Elymus multisetus Margaret M. Hanna 1958-6-20 s.n. Siskiyou 1/2 mile north of Weed Comment
  POM112863  Elymus multisetus Geo D. Butler 1909-6-4 812 Siskiyou Dry land near Yreka Comment
  UC167210  Elymus multisetus Geo. D. Butler 1909-5-25 823 Siskiyou near Yreka Comment
  UC1037121  Elymus trachycaulus Leo Whitney 1934-6-29 2227 Siskiyou near Tennant; Antelope Creek 1463 Comment
  UC1408897  Epilobium brachycarpum F. W. Oettinger 1969-8-12 1339 Siskiyou along trail between Yellow Dog Creek Abbott's Lower Cabin (w Siskiyou Co.); Salmon Mountains Comment
  JEPS43612  Epilobium brachycarpum Geo. D. Butler 1908-8-6 135 Siskiyou trail near Summit (se of Marble Mountain) 1828 Comment
  RSA458697  Epilobium brevistylum Louis C. Wheeler 1934-8-10 3096 Siskiyou Siskiyou Mountains, Jaynes Canyon 1372 Comment
  HSC59015  Epilobium ciliatum subsp. ciliatum Marvin Butler 1971-7-12 109 Siskiyou Near Copper Creek, close to the town of Cave Junction 1433 Comment
  UC478987  Epilobium ciliatum subsp. ciliatum Marcus E. Jones, A. M. 1931-7-17 29035 Siskiyou Shasta City (Session's) Comment
  SEINET515876  Epilobium densiflorum Vernon H. Oswald 1998-9-8 9604 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi W of mosquito Lake and Whitehorse Flat Reservoir. 1113 Comment
  RSA600375  Epilobium glaberrimum Louis C. Wheeler 1935-7-23 3683 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2012 Comment
  HSC69363  Epilobium glaberrimum subsp. fastigiatum Maralyn A. Renner 1980-8-19 2504 Siskiyou S side of Caribou Lake 2104 Comment
  POM261231  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1941-9-5 16277 Siskiyou Along the spring creek at MacBride Springs, Mount Shasta. 1524 Comment
  HSC91952  Epilobium hallianum Jennifer Whipple 1976-7-8 1347 Siskiyou SW of Dobkins Lake along drainage into the lake 2256 Comment
  RSA237581  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 -a Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  HSC92085  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1976-6-30 1217 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  POM259013  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-8-8 15434 Siskiyou Mount Shasta: Along Squaw Valley Creek 2287 Comment
  RSA237389  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1968-8-10 463 Siskiyou Stream inlet into Hancock Lake. Salmon Mountains; the High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area 1890 Comment
  CHSC118640  Epilobium luteum Julie Kierstead Nelson; Martin Lenz 2015-8-13 2015 -122 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. UTM NAD 83 Zone 10, 536798m E, 4583360m N. 2208 Comment
  HSC43866  Epilobium minutum Maralyn O'Meara 1974-5-25 377 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  RSA458713  Epilobium minutum J. P. Smith 1973-5-5 6451 Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road. Comment
  CDA38103  Epilobium oregonense T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Mount Shasta. 0 Comment
  SEINET3149850  Epilobium paniculatum G. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  POM32217  Epilobium siskiyouense E. B. Copeland 1903-9-7 3857 Siskiyou Mount Eddy Comment
  CAS-BOT-BC58022  Equisetum Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan. 1005 Comment
  CAS-BOT-BC57205  Equisetum hyemale subsp. affine Ira L. Wiggins 1955-7-23 13474 Siskiyou Banks of China Creek 1097 Comment
  HSC42939  Equisetum hyemale subsp. affine J. O. Sawyer, Ken Stillman 1976-7-1 2773 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA60487  Equisetum laevigatum John H. Thomas 1949-6-16 941 Siskiyou 10 miles north of Gazelle. Comment
  CAS-BOT-BC57517  Equisetum telmateia Carl B. Wolf 1927-8-27 1126 Siskiyou On the Klamath River, 6 mi. below Happy Camp Comment
  RSA591595  Eragrostis cilianensis L. C. Wheeler 1934-10-24 3346 Siskiyou Oak Knoll Ranger Station, Klamath River; Siskiyou Mts. 671 Comment
  UCR142758  Eragrostis cilianensis L. C. Wheeler 1934-10-24 3346 Siskiyou Siskiyou Mtns, Oak Knoll Ranger Station, Klamath River 671 Comment
  SEINET3164603  Eremocarpus setiger G. D. Butler 1910-7-28 1794 Siskiyou near Yreka Comment
  HSC91434  Eremogone congesta Jennifer Whipple 1976-7-9 1397 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC286700  Ericameria bloomeri A. A. Heller 1914-8-26 11722 Siskiyou At Weed 1066 Comment
  CAS-BOT-BC286713  Ericameria bloomeri Alice Eastwood 1912-9-1 2064 Siskiyou Mount Shasta Comment
  SEINET5727000 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Rd. 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  UC1118660  Ericameria bloomeri H. A. Jensen 1933-8-23 342 Siskiyou mo Mountain House Creek; Dunsmuir Quadrangle Comment
  UC60982  Ericameria bloomeri Geo. B. Grant 1902-9-1 5093 Siskiyou Horse Camp Mount Shasta, Horse Camp 2133 Comment
  UC630401  Ericameria bloomeri Annetta Carter 1939-8-21 1475 Siskiyou near crest of peak above se end of Taylor Lake (12 mi sw of Etna); Salmon Mountains 2286 Comment
  HSC36474  Ericameria greenei J. O. Sawyer 1969-7-2 1026 Siskiyou SW-facing upper slope above Music Creek 2378 Comment
  RSA237450  Ericameria greenei Frederick W. Oettinger 1967-8-24 322 Siskiyou Near lookout, along trail on west slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC1408924  Ericameria greenei Frederick W. Oettinger 1968-8-22 590 Siskiyou English Peak Salmon Mountains, Marble Mountain Wilderness Area 2225 Comment
  HSC5325  Ericameria nauseosa D. M. Thomson 1965-7-31 160 Siskiyou Lava Beds National Monument, 1 mi. S of dump on telephone line road Comment
  SD60211  Ericameria parryi var. latior A. A. Heller 1927-8-1 14438 Siskiyou Along the base of Spring Hill near the town of Mt. Shasta on the headwater of the Sacramento River. Comment
  UC205549  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC293505  Erigeron aliceae Doris K. Kildale 1928-8-20 6616 Siskiyou Hancock Lookout, on trail to Marble Mt., B.M. 2151 Comment
  CAS-BOT-BC293508  Erigeron aliceae Louis C. Wheeler 1934-7-3 2855 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  RSA261543  Erigeron aliceae J. M. Tucker 1974-7-28 4323 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area 1463 Comment
  HSC78333  Erigeron aliceae L. P. Janeway 1983-7-31 481 Siskiyou Poker Flat, E portion of meadow. 1524 Comment
  RSA238733  Erigeron aliceae Frederick W. Oettinger 1967-8-12 247 Siskiyou Below Crapo Peak Ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC294501  Erigeron bloomeri var. bloomeri Elmer I. Applegate 1935-6-8 9446 Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  CAS-BOT-BC294506  Erigeron bloomeri var. bloomeri Gilbert Muth 1966-7-22 436 Siskiyou Marble Rim, Marble Mts. 2194 Comment
  HSC96679  Erigeron bloomeri var. bloomeri Thomas W. Nelson, Susan Erwin 2004-6-3 9223 Siskiyou Forest Service Rd. 40N08 at junction with FS Rd.44N44 1696 Comment
  CAS-BOT-BC509282  Erigeron cervinus Dana York 2012-7-20 3121 Siskiyou Rogue River--Siskiyou National Forest, Siskiyou Mountains, ca 2.4 km WSW of Cook and Green Pass, moist slope above Echo Lake 1710 Comment
  HSC77104  Erigeron cervinus K. T. Stillman 1976-7-31 354 Siskiyou Marble Mtn. Wilderness Area: Ridge N of jump off Comment
  JEPS33854  Erigeron chrysopsidis var. austiniae Gilbert Muth 1966-7-22 436 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  CAS-BOT-BC297186  Erigeron concinnus var. concinnus Elmer I. Applegate 1935-6-6 9375 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument 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
  POM253147  Erigeron elegantulus A. A. Heller 1938-7-13 s.n. Siskiyou Border of meadows just south of Bray. 1402 Comment
  JEPS94678  Erigeron filifolius Vernon H. Oswald and Lowell Ahart 1998-7-21 9313 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 975 Comment
  CAS-BOT-BC296127  Erigeron foliosus var. confinis Doris K. Kildale 1929-7-20 8688 Siskiyou Raspberry Lake upper South Fork of Indian Creek 1828 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
  CAS-BOT-BC295427  Erigeron inornatus var. calidipetris W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  JEPS29997  Erigeron inornatus var. inornatus Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7983 Siskiyou along U.S. Highway 97 about 7.5 mi ne Weed 1127 Comment
  UC455841  Erigeron inornatus var. inornatus I. J. Condit 1911-7-3 Siskiyou along R.R. Shasta Retreat (Shasta Retreat) Comment
  UC637123  Erigeron inornatus var. inornatus Edward Lee 1934-8-14 1113 Siskiyou near summit of Little Grayback (Siskiyou - Del Norte County Line) 1828 Comment
  JEPS84203  Erigeron klamathensis L. R. Heckard with J. Hickman et al. 1986-7-18 6530 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  CAS-BOT-BC295814  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  HSC92789  Erigeron petrophilus var. viscidulus Jennifer Whipple 1976-7-13 1462 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  RSA792296  Erigeron petrophilus var. viscidulus Rebecca Wenk 2008-8-31 988 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1982 Comment
  CAS-BOT-BC295813  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  CAS-BOT-BC300082  Erigeron philadelphicus Ira L. Wiggins 1955-7-25 13506 Siskiyou Ditch head on Rush Creek, Mountain View Ranch 1005 Comment
  RSA126294  Erigeron philadelphicus I. L. Wiggins 1955-7-25 13506 Siskiyou Ditch head on Rush Creek, Mountain View Ranch 1006 Comment
  UC1190271  Erigeron philadelphicus var. philadelphicus Ira L. Wiggins 1955-7-25 13506 Siskiyou Mountain View Ranch, ditch head on Rush Creek Rush Creek 1005 Comment
  UC1034642  Erigeron pumilus var. intermedius Milo S. Baker 1955-6-26 13073 Siskiyou between Weed and Gazelle; Shasta Valley 914 Comment
  UC896031  Erigeron pumilus var. intermedius A. A. Heller 1938-7-12 15261 a Siskiyou near the e base of Deer mountain 1371 Comment
  RSA153440  Erigeron strigosus Francia Chisaki, Helen Sharsmith 1960-8-20 4739 Siskiyou On Wildcat Canyon Road ca. 4 miles west of Callahan 1067 Comment
  CAS-BOT-BC224141  Eriodictyon californicum Alice Eastwood 1912-7-20 1248 Siskiyou Hornbrook Comment
  HSC60051  Eriodictyon californicum M. A. Baker 1977-6-6 364 Siskiyou S of Happy Camp along Hwy. 96 Comment
  HSC96824  Eriodictyon californicum S. Lyon, J. McIntire 2006-6-25 27 Siskiyou 1 mi. W of Blackbear Summit at jct. of USFS Rd. 39N28 and 39N41 1341 Comment
  RSA15653  Eriodictyon californicum Carl B. Wolf 1927-8-26 1001 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  SEINET5495491  Eriodictyon californicum G. Butler 1910-5-25 1405 Siskiyou Near Yreka Comment
  CDA11920  Eriogonum compositum G. F. Hrusa 1990-4-2 7840 Siskiyou Klamath Ranges; 3 miles N of Yreka along Old Shasta River Rd. Between Yreka and Hwy 96 intersection. Comment
  UCSB16523  Eriogonum compositum Breedlove, Dennis 1962-6-11 Siskiyou 7.4 miles southwest of Scott Bar 624 Comment
  HSC43398  Eriogonum compositum var. compositum K. T. Stillman 1976-7-7 156 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  SEINET3159900  Eriogonum compositum var. compositum G. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  CHSC67579  Eriogonum congdonii James D. Jokerst 1992-7-30 3433 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  JEPS84207  Eriogonum diclinum L. R. Heckard with J. Hickman et al. 1986-7-17 6495 Siskiyou Oak Knoll Ranger Station road to Condrey Mt ca 14.5 mi from. Hwy 96 (Walker) (near Dry Lake) 2000 Comment
  CAS-BOT-BC255707  Eriogonum douglasii var. meridionale K. T. Stillman 1976-6-26 107 Siskiyou Marble Mountain Wilderness Area Comment
  UC375314  Eriogonum elatum Geo. D. Butler 1908-7-5 516 Siskiyou dry land near Yreka Comment
  JEPS57004  Eriogonum elatum var. elatum W. L. Jepson 1914-8-14 6164 Siskiyou Dunsmuir 670 Comment
  CAS-BOT-BC255732  Eriogonum elatum var. elatum Dr. E. B. Copeland 1903-7-3 3525 Siskiyou Klamath on Siskiyou County line Comment
  UC1475703  Eriogonum hirtellum G. L. Clifton 1979-8-5 12714 Siskiyou near Twin Valley (close to town of Happy Camp); Preston Peak quadrangle 1646 Comment
  CAS-BOT-BC259364  Eriogonum lobbii Clare B. Hardham 1965-8-20 13033 Siskiyou Marble Mountains, Cudahy Lakes Comment
  CAS-BOT-BC263662  Eriogonum luteolum var. luteolum Carl B. Wolf 1927-8-26 1010 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  JEPS56173  Eriogonum luteolum var. luteolum W. L. Jepson 1907-7-22 2957 Siskiyou Miamber Trail from Scott Bar to Scott Valley Comment
  HSC43462  Eriogonum marifolium Jennifer Whipple 1976-6-18 1042 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater 2378 Comment
  RSA766346  Eriogonum marifolium W. Bridge Cooke 1941-9-10 16290 Siskiyou In the vicinity of Horse Camp, Mt. Shasta. 2439 Comment
  SBBG21293  Eriogonum marifolium D. Myrick 1964-7-25 958 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  SEINET3160022  Eriogonum marifolium G. B. Grant 442 Siskiyou Mt. Shasta Comment
  HSC48943  Eriogonum marifolium var. marifolium D. L. Goforth 1979-7-19 249 Siskiyou Klamath National Forest, Trinity Alps Wilderness; Caribou Lakes Basin, 0.3 mi. NW of Caribou Lake. 2134 Comment
  CDA12232  Eriogonum nudum var. nudum G. F. Hrusa 1993-8-14 11402 Siskiyou Region of Little Grayback Mountain; Summit of pass between Happy Camp, Ca. & O' Brien, Oregon. Just on Ca. side of state boundary. Comment
  UC1483512  Eriogonum nudum var. nudum Maralyn A. Renner 1980-7-24 2119 Siskiyou about 1/4 mi sw, on Pacific Crest Trail Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1493 Comment
  SD23783  Eriogonum nudum var. nudum Wm. Bridge Cooke 1938-6-17 11037 Siskiyou Mt. Shasta 1372 Comment
  CAS-BOT-BC269739  Eriogonum nudum var. oblongifolium Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC269742  Eriogonum nudum var. oblongifolium Lewis S. Rose 1945-6-19 45148 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC77400  Eriogonum nudum var. oblongifolium L. P. Janeway 1983-5-29 318 Siskiyou Near base of S facing cutbank along Hwy. 96, 0.2 mi. E of Fort Goff 396 Comment
  POM105615  Eriogonum nudum var. oblongifolium Geo. D. Butler 1910-7-3 1628 Siskiyou Goosenest foothills. 1220 Comment
  CHSC70766  Eriogonum nudum var. pubiflorum A. Francis 1996-7-24 3639 Siskiyou South slope of Mt. Hoffman, NE of Arnica Sink. 2109 Comment
  RSA749252  Eriogonum nudum var. pubiflorum K. M. Meyer, A. Townesmith 2007-8-4 189 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on Rd. 7J001 out of Yreka, CA (road past the water tower). 1286 Comment
  CAS-BOT-BC272482  Eriogonum nudum var. pubiflorum L. R. Abrams 1922-8-6 9908 Siskiyou Between Summit and Hornbrook Comment
  CDA22638  Eriogonum nudum var. pubiflorum J. R. Grisham 1958-6-13 Siskiyou Quartz Valley. 0 Comment
  SD51282  Eriogonum nudum var. pubiflorum Darley F. Howe 1961-8-3 Siskiyou 20.3 miles east of Happy Camp on #96 548 Comment
  JEPS25537  Eriogonum pyrolifolium Rimo Bacigalupi with Lincoln Constance 1959-6-16 7153 Siskiyou above Panther Meadow (just e of Ski Lodge; sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  CAS-BOT-BC271963  Eriogonum sphaerocephalum var. halimioides M. K. Curran 1887-7-1 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC262753  Eriogonum strictum var. anserinum Elmer I. Applegate 1932-6-8 9441 Siskiyou Bear-paw [Bearpaw] Cave, Lava Beds National Monument Comment
  HSC17431  Eriogonum strictum var. greenei W. L. Jepson 1940-6-23 19980 Siskiyou Yreka 823 Comment
  CAS-BOT-BC263390  Eriogonum strictum var. proliferum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  HSC43454  Eriogonum strictum var. proliferum Jennifer Whipple 1976-8-20 1708 Siskiyou Summit region of Mt. Eddy 2591 Comment
  HSC61211  Eriogonum ternatum Al Hobart 1968-6-20 Siskiyou El Capitan 1829 Comment
  HSC69549  Eriogonum ternatum Maralyn A. Renner 1980-8-4 2233 Siskiyou Ridge near FS 15N01 about 1 mi. N of Flint Valley 1494 Comment
  SEINET244751 Image available Eriogonum umbellatum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mile west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna. 869 Comment
  CAS-BOT-BC267972  Eriogonum umbellatum var. argus James L. Reveal; Darin S. Reveal 1978-8-8 4808 Siskiyou Along the road from Scott Mountain Summit on California Highway 3 on the Gazelle-Callahan Road via Big Carmen Lake (USFS #40N08), 2.5 miles northeast of the Summit and about 1 mile northeast of the Lake, at the end of a ridge about 0.3 mile north of the.. 1737 Comment
  SD62064  Eriogonum umbellatum var. argus Darley F. Howe 1965-8-8 4123 Siskiyou South side of Little Gray Back, Klamath National Forest 1463 Comment
  UC1282017  Eriogonum umbellatum var. argus Louise Kellogg Aug 8 1953-Aug 9 1953 114 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  CAS-BOT-BC105078  Eriogonum umbellatum var. dumosum R. C. Wenk 2008-7-24 931 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge S of the lake 1981 Comment
  UC2028222  Eriogonum umbellatum var. humistratum Barbara Ertter 1990-7-14 9327 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 air miles W of Mt. Shasta City Comment
  RSA0005163  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mile west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna. 869 Comment
  UC722839  Eriogonum umbellatum var. modocense C. L. Hitchcock, J. S. Martin 1939-7-9 5312 Siskiyou between King's Castle and Black Mt. (w side of ridge) 1828 Comment
  LA86521  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou Marble Mountain Wilderness Area, On top of saddle, between Marble and SW ridge of Black Mountain 2103 Comment
  POM165414  Eriogonum umbellatum var. polyanthum E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook. Comment
  CDA14218  Eriogonum vimineum G. F. Hrusa 1997-9-18 14105 Siskiyou Summit of Pass between Callahan & Gazelle, W of Mountain House. Comment
  CAS-BOT-BC262372  Eriogonum vimineum Roxana S. Ferris; Laura Lorraine 1941-8-12 10509 Siskiyou At Petroglyphs north end of Tule Lake. Northern boundary of Modoc Lava Beds National Monument Comment
  SEINET10750622  Eriophorum crinigerum Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 883 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  CHSC4651  Eriophyllum lanatum R. Carter 1966-5-15 403 Siskiyou One mile E of Callahan on N side of Callahan-Gazelle Rd. Opposite a small meadow. 914 Comment
  CAS-BOT-BC301107  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-20 12479 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  CAS-BOT-BC301132  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  CAS-BOT-BC301109  Eriophyllum lanatum var. achilleoides D. H. Johnson; F. G. Palmer 1935-5-16 s.n. Siskiyou Caves eleven miles northeast of Weed 1097 Comment
  HSC36873  Eriophyllum lanatum var. grandiflorum J. P. Smith 1974-5-25 7516 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  UC31778  Eriophyllum lanatum var. grandiflorum W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC308285  Eriophyllum lanatum var. integrifolium John Thomas Howell 1939-8-2 14890 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC796438  Eriophyllum lanatum var. integrifolium Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11860 Siskiyou 2.4 mi below summit Gazelle Mt. Grade (e side) 1417 Comment
  HSC36774  Eriophyllum lanatum var. lanatum J. P. Smith 1974-5-25 7401 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC301720  Eriophyllum lanatum var. lanceolatum D. E. Breedlove 1962-6-10 3314 Siskiyou Along Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  CAS-BOT-BC94802  Eriophyllum lanatum var. lanceolatum R. C. Wenk 2008-7-24 939 Siskiyou Kangaroo Lake, S of Gazelle-Callahan Road, top of ridge S of lake 1981 Comment
  HSC25459  Eriophyllum lanatum var. lanceolatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5654 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  JEPS29199  Eriophyllum lanatum var. lanceolatum Lauramay T. Dempster 1961-7-1 1826 Siskiyou along ridge from Condry Mountain to White Mountain Comment
  JEPS80585  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 134 Siskiyou trail to Marble Mountain Lookout; Marble Mt. Wilderness Area 1792 Comment
  UCD132195  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3751 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  SEINET8687384 Image available Eriophyllum lanatum var. lanceolatum G. D. Butler 1910-6-23 1602 Siskiyou Yreka Creek Comment
  HSC67973  Erodium cicutarium J. P. Smith, Steve Selva 1970-6-15 3897 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  UC140590  Eryngium articulatum unknown 1900-8-9 Siskiyou Shasta Region, Sisson's Comment
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Jan 18 2012
  CAS-BOT-BC54576  Erysimum capitatum L. E. Smith 1914-5-21 701 Siskiyou Yreka. Comment
  POM95435  Erysimum capitatum Geo. D. Butler 1910-5-4 1273 Siskiyou Dry hill near Yreka Comment
  RSA59507  Erysimum capitatum E. K. Balls 1950-5-16 14707 Siskiyou About Caldwell Caves, Lava Beds Nat l Monument. 1555 Comment
  HSC64095  Erysimum capitatum var. capitatum J. P. Smith 1973-5-5 6484 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC55114  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34276 Siskiyou North side of Mount Shasta. East side of Bolam Canyon. 2438 Comment
  CDA3712  Erysimum repandum F. D. Horn 1980-4-3 Siskiyou Dennis Lane west of railroad tracks, Klamath River Estates, Hornbrook. 0 Comment
  HSC6767  Erysimum repandum R. C. Wunner 1965-6-22 267 Siskiyou California Lava Beds National Monument, 1 mi. NW of Stronghold (Capt. Jacks) 1220 Comment
  SEINET14378928  Erythranthe W. Roderick, D. Parker 1967-7-25 s.n. Siskiyou Cabin Meadow. 1829 Comment
  CHSC86451  Erythranthe guttata Jenny Marr 1993-7-1 68 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  HSC77079  Erythronium grandiflorum subsp. grandiflorum K. T. Stillman 1976-6-16 4 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  CAS-BOT-BC403685  Eschscholzia californica Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Between Yreka and Fort Jones Comment
  CAS-BOT-BC403688  Eschscholzia californica W. B. Cooke; V. G. Cooke 1963-7-9 34217 Siskiyou Along Memorial Highway, at side of road, Mt. Shasta Comment
  RSA144848  Eschscholzia californica subsp. californica W. R. Ernst 1958-8-11 301 Siskiyou Town of Mt. Shasta, between Highway 99 and railroad station Comment
  SD241733  Eucephalus ledophyllus Dean Wm. Taylor 1999-8-12 17314 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley). 1890 Comment
  HSC42977  Euonymus occidentalis J. O. Sawyer, Ken Stillman 1976-5-29 2736 Siskiyou Along Specimen Creek 915 Comment
  JEPS9608  Euonymus occidentalis var. occidentalis Geo. D. Butler 1908-8-22 407 Siskiyou Eldredge's corral Russian Creek 1219 Comment
  RSA105511  Euphorbia crenulata G. D. Barbe 1955-6-28 010 Siskiyou 0.2 mile north of Callanhan. 976 Comment
  UCR66546  Euphorbia lathyris L. C. Wheeler 1934-11-4 03358 Siskiyou Marble Mtns, Scott Bar, Scott River 518 Comment
  CHSC268  Eurybia integrifolia V. Holt 1943-8-14 Siskiyou Marble Mountains. 1219 Comment
  SEINET5708047 Image available Eurybia radulina Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7700 Siskiyou Scott Mts. Collected along Road 17, 10.3 miles SW from the intersection of I-5 and Stewart Springs Rd.; Scott Mountains 1755 Comment
  UC135418  Eurybia radulina Dr. E. B. Copeland 1903-9-8 3869 Siskiyou foot of Mt. Eddy Mt. Eddy 121 Comment
  HSC103039  Festuca arundinacea J. P. Smith 2014-6-7 13897 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  RSA47648  Festuca californica Roxana S. Ferris, Laura Lorraine 11798 Siskiyou Scott Mountain Road south of Callahan Comment
  HSC76644  Festuca idahoensis K. T. Stillman 1976-7-7 161 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC92562  Festuca idahoensis Jennifer Whipple 1977-8-4 2150 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  RSA47801  Festuca occidentalis Roxana S. Ferris, Laura Lorraine 11744 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC818047  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  SEINET10553347  Festuca pratensis A. Arthur Heller 1915-8-24 Heller 12214 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in moist soil in the forest. 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. 1189 Comment
  RSA656724  Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-23 8177 Siskiyou Near the Klamath National Forest but in private land, on Forest service road 43N21, half mile west of intersection with Quartz Valley Road. Comment
  RSA656725  Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-2 8124 Siskiyou Klamath National Forest; road cut where old highway intersects modern one, on highway 3, 6.7 miles by road southwest of the Yreka city limits, at road marker 003/SIS/40 deg deg . 1128 Comment
  CAS-BOT-BC279072  Festuca rubra Annie M. Alexander; Louise Kellogg 1949-7-22 5844 Siskiyou Top of ridge, trail to Kings Castle at 6800 feet. Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC278640  Festuca subulata Ira L. Wiggins 1955-7-29 13591 Siskiyou Along Thompson Creek, 3.5 mi. above S Fork of Salmon River 1371 Comment
  CAS-BOT-BC453510  Fragaria Harley P. Chandler 1901-6-1 1569 Siskiyou Ridges and meadows near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC455953  Fragaria chiloensis L. N. Lorenzen No date on label 3 Siskiyou Shasta Forest. Van Brennan Wells. 1440 Comment
  CDA25856  Fragaria vesca T. C. Fuller 1958-6-18 1816 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC19062  Fragaria vesca J. O. Sawyer 1969-6-11 824 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  HSC36951  Fragaria vesca J. P. Smith 1974-5-26 7555 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC166620  Fragaria vesca Geo. D. Butler 1908-6-27 496 Siskiyou Forest House Mountain Comment
  UC796662  Fragaria vesca Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11741 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  UC61650  Fragaria virginiana subsp. platypetala Geo. B. Grant Sep 1902 5196 Siskiyou Sisson; Mount Shasta 914 Comment
  CAS-BOT-BC53263  Frangula californica subsp. californica Marion Ownbey; Fred G. Meyer 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek, 12 miles above Happy Camp Comment
  SEINET7417503 Image available Frangula californica subsp. californica M. Ownbey, F. G. Meyer 1940-7-8 2224 Siskiyou Indian Creek, 12 mi above Happy Camp Comment
  CAS-BOT-BC60016  Frangula purshiana Doris K. Kildale 1928-7-3 5440 Siskiyou Little N. Fork Salmon River near mouth. Comment
  CAS-BOT-BC60023  Frangula purshiana A. A. Heller 1915-7-18 12132 Siskiyou Metcalf's ranch, ne. base of Mt. Eddy in moist soil in the forest. 1188 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
  HSC100318  Frangula purshiana subsp. annonifolia J. P. Smith, J. O. Sawyer 2011-7-21 13032 Siskiyou Flint Valley, at the end of the G-O Road. 1313 Comment
  RSA576955  Frasera albicaulis var. nitida Louis C. Wheeler 1934-6-21 2742 Siskiyou West Fork Cottonwood Creek, Siskiyou Mountains. 1372 Comment
  CAS-BOT-BC223584  Fraxinus latifolia Wm. Bridge Cooke 1940-6-20 15174 Siskiyou On the banks of the Klamath River below Hornbrook Comment
  RSA576954  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  JEPS116627  Fritillaria atropurpurea J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -11 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1100 Comment
  SBBG994  Fritillaria atropurpurea H. and M. Dearing 1939-6-28 2185 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  UC165731  Fritillaria atropurpurea Geo. D. Butler 1910-5-1 1261 Siskiyou Humbug Mountain Comment
  HSC61605  Fritillaria glauca Ruby Van Deventer 6 Jun [year missing] Siskiyou Lookout Mountain 1768 Comment
  JEPS20034  Fritillaria pudica George D. Butler 1909-3-7 554 Siskiyou Butcher Hill near Yreka; Butcher Hill Comment
  CAS-BOT-BC506206  Fritillaria pudica Geo. D. Butler 1910-3-11 1121 Siskiyou Yreka hills 914 Comment
  HSC31734  Fritillaria recurva Glenn McGourty 1974-5-25 55 Siskiyou 1402 Comment
  CAS-BOT-BC504471  Fritillaria recurva Lincoln Constance; Reed C. Rollins 1942-5-14 2925 Siskiyou Road to Walker Post Office, 4 miles west of Yreka 1219 Comment
  JEPS55684  Fritillaria recurva W. and M. Roderick 1961-6-28 Siskiyou n of Happy Camp (Indian Creek); Indian Creek Comment
  POM367777  Galium aparine M. B. Dunkle 1944-6-25 9016 Siskiyou Siskiyou National Forest. 1677 Comment
  HSC72354  Galium bolanderi J. P. Smith, J. O. Sawyer, Kevin Sawyer, Jane Sawyer 1976-9-5 8972 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  JEPS26968  Galium bolanderi Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7462 Siskiyou above and due e Twin Valley (about 12 air mi ne of Happy Camp); Siskiyou Mts. 1584 Comment
  RSA184794  Galium grayanum var. grayanum Gilbert Muth 1966-7-22 437 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  UCD121822  Galium muricatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Callahan on Cecilville Road. 975 Comment
  NY131475  Galium serpenticum subsp. scotticum L. T. Dempster 1961-7-3 1877 Siskiyou About 2 miles below summit (i.e. E of) on road SW of Callahan. 1828.8 Comment
  CDA42209  Galium tricornutum D. H. Shaw 1972-6-8 s.n. Siskiyou Airport Road, Montague. 0 Comment
  HSC22471  Galium triflorum J. O. Sawyer 1968-6-18 193 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC44379  Galium triflorum Maralyn O'Meara 1973-6-25 236 Siskiyou Music Creek 1463 Comment
  HSC68476  Galium triflorum Maralyn A. Renner 1980-6-26 1217 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC61792  Galium triflorum Al Hobart 1967-7-5 Siskiyou Poker Flat 1585 Comment
  RSA184795  Galium triflorum Gilbert Muth 1966-7-29 461 Siskiyou By waterfall. Marble Valley. Marble Mtns. 1799 Comment
  UCD121956  Galium triflorum J. P. Smith; Steve Selva 1970-7-16 4397 Siskiyou Blue Mountain. Comment
  CAS-BOT-BC182273  Garrya fremontii C. B. Wolf 1931-9-2 s.n. Siskiyou 4 miles above junction of McCloud Road with the Pacific Highway 1188 Comment
  RSA503493  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou At the northeast side of Hancock Lake, Salmon Mountains, Marble Mountain Wilderness Area. 1936 Comment
  SEINET3144594  Garrya fremontii G. D. Butler 1910-3-12 1125 Siskiyou Hill near Yreba 1067 Comment
  SEINET5765236  Garrya fremontii G. D. Butler 1910-3-12 1125 Siskiyou Hill near Yreka 1067 Comment
  SFV5056  Garrya fremontii B. C. Templeton 1957-6-21 s. n. Siskiyou About 10 miles north of Callahan. Comment
  HSC19178  Gaultheria humifusa J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  UCD117428  Gaultheria humifusa Dean William Taylor 1972-7-3 1613 Siskiyou Near Little Duck Lake. 1981 Comment
  UC1190234  Gayophytum diffusum subsp. parviflorum Ira L. Wiggins 1955-7-27 13535 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA68901  Gayophytum diffusum subsp. parviflorum A. E. Culbertson 1943-7-21 56 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 mi. S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts. 2000 ft. above Sacramento R. within 10 mi. of its headwaters to the west. 1657 Comment
  POM258615  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15350 Siskiyou Mount Shasta: Along the Sisson Southern Trail near the S.S.Tr. spring. 1829 Comment
  RSA237805  Gayophytum humile Frederick W. Oettinger 1969-8-5 1189 Siskiyou Trail from English Lake to Abbott s. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  HSC76722  Gentiana calycosa K. T. Stillman 1976-8-7 386 Siskiyou Marble Mountain Wilderness Area Comment
  SEINET8586406  Gentiana newberryi W. Roderick 1967-9-1 s.n. Siskiyou Cedar Lake, W of Mount Shasta. 1829 Comment
  SEINET10928363 Image available Gentiana plurisetosa C. C. Harris, Stuart K. Harris 1939-8-29 Harris 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area. 1670 Comment
  UC1584287  Gentianella amarella subsp. acuta J. Kierstead, R. Bittman, and M. Myers 1989-8-11 89 -69 Siskiyou Gumboot Creek crossing Shasta-Trinity National Forest, Mt. Shasta Ranger District (s side of FS Rd 26) 1767 Comment
  JEPS24817  Gentianella tenella subsp. tenella Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6831 Siskiyou just n and below Scott Mountain road summit 1615 Comment
  HSC77007  Geranium richardsonii K. T. Stillman 1976-6-25 81 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  CAS-BOT-BC459620  Geum macrophyllum Wm. Bridge Cooke 1939-7-7 13592 Siskiyou Frequent in the meadow at Bear Springs. Comment
  SBBG30525  Geum macrophyllum var. perincisum D. Myrick 1968-6-27 2038 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  JEPS44105  Gilia capitata subsp. capitata W. B. and V. G. Cooke 1965-7-12 35168 Siskiyou throughout rest area at turnout along US 97 n Whitney Creek (Mt. Shasta); , n of Whitney Creek 1371 Comment
  RSA780162  Gilia capitata subsp. capitata Brian W. Keelan 2011-8-12 s.n. Siskiyou Siskiyou Mountains, ca. 2 miles E of Cook and Green Pass and 5 miles S of the Oregon border (30 mils W of Interstate 5) 1719 Comment
  UC879897  Gilia capitata subsp. capitata Alice Eastwood 1912-7-17 1165 Siskiyou Sisson Comment
  CAS-BOT-BC94919  Gilia capitata subsp. capitata R. C. Wenk 2006-9-2 549 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, below Snowslide Lake 2164 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
  CAS-BOT-BC283868  Glyceria borealis Alice Eastwood 1912-7-25 1285 Siskiyou Sisson Comment
  CAS-BOT-BC282716  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1950 Comment
  HSC30666  Glyceria striata Frederick W. Oettinger 1969-9-4 1654 Siskiyou Salmon Mtns., Tobacco Lake. 1890 Comment
  RSA239002  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1202 Siskiyou Willow Spring on trail from English Trail to Abbot's Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CDA5883  Gnaphalium canescens subsp. thermale E. Hale 1983-9-6 Siskiyou 6104 Pinebrook Lane, Yreka. 0 Comment
  CAS-BOT-BC302666  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  JEPS34010  Gnaphalium palustre Willis L. Jepson Jul 24 1894-Aug 10 1894 14747 Siskiyou Sisson Upper Sacramento Region, Sisson Comment
  UCD169266  Grayia spinosa T. Bruchman 1978-7-1 147 -A Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  UC87887  Grindelia hirsutula Mrs. K. Brandegee 1889-7-1 Siskiyou Hornbrook Comment
  CAS-BOT-BC314627  Grindelia hirsutula Lewis S. Rose 1941-8-28 41428 Siskiyou Macdoel 1297 Comment
  HSC23596  Hackelia bella J. O. Sawyer 1969-7-18 1437 Siskiyou 1951 Comment
  SEINET10698095  Hackelia californica Karen M. Meyer, Andrew Townesmith 2007-7-29 Meyer 170 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  CAS-BOT-BC231152  Hackelia cusickii Gary Schoolcraft 1985-6-18 1432 Siskiyou Mahogany Mountains 1584 Comment
  JEPS55573  Hackelia micrantha Geo. D. Butler 1908-8-6 13 Siskiyou head of Independence Creek (Whiskey Camp); , Whiskey Camp 1676 Comment
  HSC61917  Hackelia micrantha Ruby Van Deventer 1937-7-24 Siskiyou Poker Flat 1585 Comment
  UC1190276  Hackelia micrantha Ira L. Wiggins 1955-7-29 13575 Siskiyou n facing slope between Caribou Lake and Pass to Thomas Creek; Trinity Alps 1956 Comment
  HSC69219  Hastingsia alba Maralyn A. Renner 1980-8-31 2626 Siskiyou Twin Valley. 1494 Comment
  HSC82357  Hastingsia alba Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4520 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC98369  Hastingsia alba G. L. Clifton, Griswold 1979-6-28 6102 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CAS-BOT-BC504624  Hastingsia alba Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  HSC19533  Hastingsia alba J. O. Sawyer 1969-7-10 1288 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  RSA68941  Hastingsia alba A. E. Culbertson 1943-7-6 17 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 1657 Comment
  CDA6452  Helenium autumnale T. C. Fuller 1963-8-27 11156 Siskiyou 0.5 mile east of the road to Etna, ca. 1 mile southeast of Greenview, Scott Valley. 0 Comment
  HSC58872  Helenium bigelovii Marvin Butler 1971-7-28 215 Siskiyou Near youngs Valley, close to the town of Cave Junction 1403 Comment
  HSC82363  Helenium bigelovii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4514 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UC1408925  Helenium bigelovii Frederick W. Oettinger 1968-8-12 492 Siskiyou Tobacco Lake trail Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UCD132692  Helenium bigelovii J. P. Smith; Steve Selva 1970-7-16 4410 Siskiyou Beaver Creek Campground. 822 Comment
  UCD132813  Helianthus annuus R. Tofsrud; J. M. Tucker 1948-8-2 1759 Siskiyou around 2 miles south of McCloud. Comment
  UC134584  Hemizonella minima H. E. Brown June 1-10 1897 307 Siskiyou near Sisson 1083 Comment
  RSA184729  Hesperochiron pumilus Gilbert Muth 1966-7-8 368 Siskiyou Marble Valley Meadow. Marble Mtns. 1793 Comment
  UC642530  Hesperolinon micranthum W. B. Cooke 1939-7-14 13686 Siskiyou Sisson Southern Trail Mount Shasta 1371 Comment
  JEPS2413  Heterotheca oregona var. rudis George D. Butler 1908-8-27 321 Siskiyou old mining dump, L. Eastlick's Rancho Oro Fino Comment
  UCD133103  Heterotheca villosa var. minor J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3753 Siskiyou southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  UC574655  Heuchera cylindrica var. ovalifolia J. William Thompson 1936-7-8 13169 Siskiyou Lava Beds National Monument Comment
  CAS-BOT-BC420703  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC266  Heuchera merriamii William J. Ferlatte 1967-8-21 1067 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake 2287 Comment
  CAS-BOT-BC420710  Heuchera merriamii Doris K. Kildale 1928-7-2 6510 Siskiyou Salmon Summit via Horse Creek trail 1981 Comment
  RSA0063197  Heuchera merriamii John T. Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC420934  Heuchera micrantha var. diversifolia H. E. Brown 1897-6-1 310 Siskiyou Near Sisson 1083 Comment
  RSA0066095  Heuchera micrantha var. diversifolia M. B. Dunkle 1944-6-25 9014 Siskiyou Siskiyou National Forest. 1677 Comment
  JEPS49752  Heuchera rubescens Geo. D. Butler 1908-7-4 216 Siskiyou Shasta River near Reeders; Shasta River Comment
  CAS-BOT-BC424372  Heuchera rubescens Doris K. Kildale 1928-8-18 6419 Siskiyou north fork of Salmon River at Finley Camp Comment
  CAS-BOT-BC319697  Hieracium albiflorum Alice Eastwood; John Thomas Howell 1937-6-26 5045 Siskiyou Salmon Mts. near Taylor Creek Comment
  CAS-BOT-BC319699  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou Elk Mt., Marble Mts. Comment
  RSA12623  Hieracium albiflorum C. B. Wolf 1934-7-5 5962 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
  UC618643  Hieracium albiflorum unknown 1938-7-15 11169 Siskiyou Bear Springs Mount Shasta, Bear Springs Comment
  RSA245213  Hieracium albiflorum Carl W. Mize 1972-6-8 7 Siskiyou Forks of Salmon quad. 320 Comment
  RSA170206  Hieracium greenei Joseph P. Tracy 1949-9-15 18559 Siskiyou Blue Ridge on road between Cecilville and sawyer's Bar, near the summit. Salmon Mountains. 1585 Comment
  CAS-BOT-BC318646  Hieracium horridum Douglas Barbe 1959-7-4 519 Siskiyou North shore of Caribou Lake about 4 mi SW of Big Flat Camp, Klamath Nat'l Foest 2103 Comment
  RSA238745  Hieracium horridum Frederick W. Oettinger 1967-8-14 268 Siskiyou English Peak Look-out. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2229 Comment
  CAS-BOT-BC316007  Hieracium nudicaule H. A. Thomas; J. H. Thomas 1954-7-25 4524 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC316009  Hieracium nudicaule Lewis S. Rose 1937-7-26 37609 Siskiyou McCloud 1005 Comment
  JEPS93877  Hieracium nudicaule Vernon H. Oswald and Lowell Ahart 1998-7-21 9314 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  UC1190107  Hieracium nudicaule Ira L. Wiggins 1955-7-27 13522 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC130565  Hieracium nudicaule H. M. Hall 8677 Siskiyou Salmon River Salmon Mountains, Salmon river 1584 Comment
  CAS-BOT-BC316032  Hieracium scouleri Annie M. Alexander; Louise Kellogg 1949-7-20 5812 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  HSC44720  Hieracium scouleri J. O. Sawyer, E. Cope 1977-6-18 2909 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC23604  Holodiscus discolor J. O. Sawyer 1970-7-15 2351 Siskiyou Above Bear Lake 1585 Comment
  HSC29376  Holodiscus discolor Frederick W. Oettinger 1968-8-13 503 Siskiyou SE side of Hancock Lake 1936 Comment
  HSC29377  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Marble Mtn. Wilderness area, ridge from Arrow Peak to King David Peak 1951 Comment
  RSA183703  Holodiscus discolor Gilbert Muth 1965-8-3 148 Siskiyou Down Creek from Marble Valley, Marble Mountains. Comment
  CAS-BOT-BC150130  Holodiscus microphyllus var. glabrescens Geo. B. Grant 1902-9-1 5111 Siskiyou Horse Camp, Mt. Shasta 2743 Comment
  UCD85592  Hordeum depressum A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3423 Siskiyou Shasta Valley. 6 miles N of Gazelle. Comment
  RSA216102  Hordeum depressum Javier Penalosa 1967-3-26 2992 Siskiyou Vernal Pools Natural Area in Valley Grassland 4.5 miles ENE of Pixley 84 Comment
  POM224085  Horkelia daucifolia Alice Eastwood, John T. Howell 1934-4-20 1791 Siskiyou 4 miles N of Weed. Comment
  POM266007  Horkelia daucifolia Lincoln Constance 1942-5-13 2913 Siskiyou Scott River 2 miles S of Scott Bar. 549 Comment
  UCSB12365  Horkelia daucifolia Dearing, Hugh; Dearing, Margaret 1939-6-3 Siskiyou Near Scotts Bar Comment
  UC453995  Horkelia fusca subsp. parviflora I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  CAS-BOT-BC514287  Horkelia fusca var. pseudocapitata A. A. Heller 1927-8-1 14435 Siskiyou Near Shasts City (Sisson) [type (of H. brownii) collected on the south side of Mt. Shasta] Comment
  CAS-BOT-BC144006  Horkelia hendersonii Roger Raiche 1986-7-19 60435 Siskiyou Road to Alex Hole (Condrey Mt.), Dry Lake 2057 Comment
  CAS-BOT-BC205182  Horkelia hendersonii James R. Shevock; Barbara Williams 1987-8-17 11803 Siskiyou Klamath Ranges. Below Dry Lake Mountain Lookout site along forest road 40S01 2011 Comment
  JEPS47182  Horkelia tridentata W. L. Jepson 1940-6-30 20069 Siskiyou 6 mi e;On the McCloud River McCloud; McCloud River, Fowlers Camp, Forest Service Campground 944 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-BC538244  Horkelia tridentata var. flavescens Doris K. Kildale 1929-5-31 9157 Siskiyou South Fork of Salmon River at Cecilville Comment
  CAS-BOT-BC539428  Horkelia tridentata var. tridentata W. B. Cooke; V. G. Cooke 1972-6-7 45457 Siskiyou Along Mud Creek Dam Road, Mt. Shasta Comment
  UCD106151  Hosackia oblongifolia Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  HSC69051  Hosackia oblongifolia var. oblongifolia Maralyn A. Renner 1980-8-6 2307 Siskiyou Cracker Meadow 1555 Comment
  SBBG25908  Hosackia oblongifolia var. oblongifolia D. Myrick 1966-8-10 1545 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  HSC99203  Hydrophyllum occidentale Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UCSB24984  Hydrophyllum tenuipes Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; 22.2 miles north of Happy Camp 1402 Comment
  HSC99601  Hypericum anagalloides William J. Ferlatte 1966-6-23 142 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  UC1216705  Hypericum perforatum W. B. and V. G. Cooke 1962-8-19 33549 Siskiyou near Memorial Hwy. Mt. Shasta Comment
  CAS-BOT-BC401284  Hypericum perforatum Carl B. Wolf 1927-8-26 1094 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  UC725319  Idahoa scapigera A. A. Heller 1929-5-4 Siskiyou near Edgewood Comment
  SD46431  Ipomopsis aggregata E. K. Balls, L. W. Lenz 1956-6-18 21803 Siskiyou 4.4 miles east of McCloud, State Highway 89. 1036 Comment
  SJSU6075  Ipomopsis aggregata R. W. Trivelpiece 1971-7-27 62 Siskiyou near Eddy Gulch Lookout c. 4.5 mi S of Sawyers Bar on N Fork Salmon R, Salmon R Mts 1828 Comment
  UC602585  Ipomopsis aggregata W. Bridge Cooke 1938-8-21 11548 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  CHSC66543  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald 1996-7-12 7999 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. Roadside. 1554 Comment
  HSC76648  Ipomopsis congesta K. T. Stillman 1976-8-7 176 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  POM258031  Iris bracteata C. L. Hitchcock 1939-7-7 5270 Siskiyou Sanger Peak Trail, CA. 13 miles south of Takilma, Oregon 1067 Comment
  CDA39606  Iris chrysophylla D. H. Shaw 1977-5-16 s.n. Siskiyou Scott River Road, south of Scott Bar. 0 Comment
  JEPS84240  Iris innominata L. R. Heckard with J. Hickman et al. 1986-7-17 6472 Siskiyou ca 5 mi n town of Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak, e shoulder of peak); Kangaroo Peak 1940 Comment
  CDA3771  Isatis tinctoria T. C. Fuller 1958-6-18 1792 Siskiyou Highway 96 above Klamath River, 6 miles west of Seiad Valley. 0 Comment
  JEPS19743  Isatis tinctoria Rimo Bacigalupi with S. Galen Smith 1957-6-27 5973 Siskiyou 20 mi ne of Weed (along causeway traversing Grass Lake, (U.S. Hwy 97), on route between Weed and Klamath Falls) 1544 Comment
  RSA256698  Isatis tinctoria J. P. Smith 1974-5-25 7394 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  RSA264994  Isoetes occidentalis Gilbert Muth 1975-7-30 s.n. Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  RSA637583  Isoetes occidentalis I. Shackleford 1997-7-24 259 Siskiyou Klamath National Forest. Horseshoe Lake. Comment
  CAS-BOT-BC324840  Iva axillaris E. B. Copeland 1903-7-2 3539 Siskiyou Klamathon Comment
  CHSC98389  Ivesia pickeringii Dean Wm. Taylor 1996-7-11 15781 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed and 1 air mile west of Stewart Springs). Shasta-Trinity National Forest. 1328 Comment
  CAS-BOT-BC110020  Juncus Melissa A. Berry 1957-7-1 s.n. Siskiyou Highway 97 near Hebron Summit. 1524 Comment
  UC1100953  Juncus balticus Herbert L. Mason 1948-7-18 13615 Siskiyou Grass Lake Comment
  UCD77266  Juncus balticus subsp. ater Robert E. Preston 2002-7-12 1904 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek 1652 Comment
  HSC74839  Juncus bolanderi J. P. Smith, J. O. Sawyer 1978-7-3 10008 Siskiyou Williams Point along the Klamath River S of Hwy. 96 Comment
  RSA759843  Juncus covillei Robert F. Thorne 1969-8-2 63397 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  HSC30703  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou Marble Mtn. Wilderness Area, E shore of Diamond Lake 2073 Comment
  LA19938  Juncus drummondii Wm. Bridge Cooke; 1939-7-13 13655 Siskiyou Mt. Shasta, near Squaw Creek 2285 Comment
  UCD77267  Juncus drummondii Robert E. Preston 2001-6-23 1555 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1767 Comment
  RSA44498  Juncus effusus subsp. pacificus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  UC1748283  Juncus ensifolius Rhonda Posey 2000-8-17 Siskiyou about 3.5 mi NE of McCloud District Ranger Station, McCloud ( at Mud Creek Meadows, along Road 42N13 (Pilgrim Creek Road)) 1097 Comment
  HSC60811  Juncus ensifolius Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley 1372 Comment
  JEPS100713  Juncus hemiendytus var. hemiendytus Dean W. Taylor 1991-6-12 11898 Siskiyou Adobe Flat, ca. 4 miles N of Timbered Crater 1106 Comment
  HSC61161  Juncus mertensianus Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC76867  Juncus mertensianus K. T. Stillman 1976-9-9 473 Siskiyou Marble Mountain Wilderness Area, N and NE side of Black Mtn. Comment
  RSA22088  Juncus mertensianus J. T. Howell 1939-8-5 15063 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  UC842670  Juncus mertensianus John Thomas Howell 1939-8-5 15063 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UCD77272  Juncus mertensianus Robert E. Preston 2001-6-23 1611 a Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  JEPS84176  Juncus mexicanus L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6380 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  UC1026899  Juncus nevadensis F. J. Hermann 1940-8-8 15444 Siskiyou near Squaw Valley Creek; Mount Shasta Comment
  RSA238909  Juncus nevadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1288 Siskiyou At Sundew Bog on SE-facing gradual slope due W of the English Lake main camp. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS66697  Juncus orthophyllus B. C. Goldsmith 1916-6-22 1 Siskiyou se of Mt. Shasta; McCloud Flat, Pilgrim Creek Comment
  RSA211377  Juncus parryi William J. Ferlatte 1967-8-21 1065 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. Trinity Alps. 2287 Comment
  UC618809  Juncus parryi unknown 1938-8-18 11499 Siskiyou Horse Camp Mount Shasta Comment
  UCD141754  Juncus parryi William Bridge Cooke 1937-8-7 9252 Siskiyou Vicinity of The Gate (south) Hudsonian. 2590 Comment
  CHSC109717  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou About 2 miles north of Bray. Comment
  UC496193  Juniperus occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley e side on dry rocky hillside Scott Valley Comment
  CAS-BOT-BC56352  Kalmia microphylla subsp. microphylla John Thomas Howell 1937-7-24 13410 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC235864  Keckiella corymbosa Carl B. Wolf 1927-8-27 1 w125 Siskiyou On the Klamath River, 4 mi. below Happy Camp Comment
  CAS-BOT-BC94868  Kelloggia galioides R. C. Wenk 2008-7-24 928 Siskiyou Kangaroo Lake, S of Gazelle-Callahan Road 1889 Comment
  JEPS12484  Kelloggia galioides Duncan Dunning 1921-7-18 Siskiyou 5-6 mi w Medicine Lake (extreme e Siskiyou County); Pumice Stone Mountain Comment
  POM59665  Kelloggia galioides E. B. Copeland 1903-7-17 3516 Siskiyou Mt. Shasta. Comment
  UC397360  Kelloggia galioides Katharine Brandegee 1895-8-11 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC274223  Koeleria Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, near Callahan 975 Comment
  UCD85701  Koeleria macrantha A. A. Beetle; G . L. Stebbins Jr. 1942-5-31 3424 Siskiyou 3 miles south of Yreka. Comment
  UC618854  Kopsiopsis strobilacea W. Bridge Cooke 1938-6-24 11096 Siskiyou Mount Shasta, near MacBride Springs. Comment
  OBI55442  Lactuca biennis David J. Keil 1992-7-20 23502 Siskiyou Klamath NF. Along Forest Rd 46N64, 2.8 mi W of Scott river rd Comment
  CAS-BOT-BC340419  Lactuca canadensis Alice Eastwood 1917-9-2 6695 Siskiyou Shasta Springs Comment
  JEPS24813  Lagophylla ramosissima Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6824 Siskiyou 7 mi e of Callahan 1127 Comment
  UCR52609  Lathyrus 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
  UC1185308  Lathyrus brownii H. E. Brown 1897-6-10 391 Siskiyou near Sisson; ; near Sisson, Siskiyou Co. 1083 Comment
  CAS-BOT-BC274355  Leersia oryzoides Louis C. Wheeler 1934-9-16 3270 Siskiyou Klamath National Forest. Walker 518 Comment
  CAS-BOT-BC88861  Lepidium campestre Ellsworth Bethel 1923-6-20 s.n. Siskiyou Weed. Comment
  SEINET10767893 Image available Lepidium dictyotum var. acutidens Edward L. Greene 1876-4-28 Greene 725 Siskiyou Collected near Yreka. Comment
  SEINET3148906  Lepidium medium G. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  NY76302  Lepidium montanum subsp. canescens A. A. Heller 1905-6-19 8068 Siskiyou "No. 8068, collected June 19 in the Shasta Valley near Grenada station" Comment
  UCD115850  Lepidium perfoliatum P. Quentin Tomich 1954-6-26 429 Siskiyou Symbol Bridge, Lava Beds National Monument. 1432 Comment
  RSA238011  Leptosiphon ciliatus Frederick W. Oettinger 1969-8-1 1129 Siskiyou near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA0089588  Leptosiphon harknessii Dean Wm. Taylor 1987-6-23 9050 Siskiyou Vicinity of Mud Well, McCloud River headwaters. 1402 Comment
  HSC40875  Leptosiphon nuttallii J. O. Sawyer 1973-7-18 2548 Siskiyou Little N Fork trail 1890 Comment
  CDA40062  Leptosiphon rattanii G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2631 Siskiyou 16 km south of Fort Jones on Scott Valley East Side Road. Comment
  JEPS6664  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mountain 914 Comment
  UC735039  Lesquerella occidentalis subsp. occidentalis Lincoln Constance and Herbert L. Mason with J. F. Davidson and J. M. Tucker 1947-5-17 3199 Siskiyou summit of n.w. spur of Scott Mt. 1828 Comment
  SEINET11448032 Image available Lessingia leptoclada G. D. Butler 1910-8-13 1827 Siskiyou Scott Valley Comment
  RSA170201  Lessingia nemaclada Joseph P. Tracy 1949-9-14 18552 Siskiyou At Summerville' on South Fork of Salmon River, 5 miles SE of Cecilville 762 Comment
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Sep 27 2007
  CAS-BOT-BC341901  Lessingia nemaclada W. R. Dudley 1899-8-23 s.n. Siskiyou Near Callahan's Comment
  UC1034604  Leucanthemum vulgare Douglas Barbe 1955-6-29 46 Siskiyou 1.8 mi e of Callahan; Scott River 975 Comment
  CAS-BOT-BC508371  Leucocrinum montanum Elmer I. Applegate 1936-5-2 10208 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC508376  Leucocrinum montanum Elmer I. Applegate 1936-5-2 10208 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC58265  Leucothoe davisiae Walter Knight; Irja Knight 1983-9-16 4934 Siskiyou Outflow at Cliff lake, upper Sacramento River watershed. 1767 Comment
  HSC752  Leucothoe davisiae William J. Ferlatte 1966-8-3 279 Siskiyou Josephine Lake basin. 1677 Comment
  RSA659527  Leucothoe davisiae Gary D. Wallace 1990-7-1 2954 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  RSA237496  Lewisia cotyledon Frederick W. Oettinger 1968-9-6 745 Siskiyou Ridge trail E of Tom s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  SEINET5336464  Lewisia cotyledon W. Roderick 1967-7-24 s.n. Siskiyou N of Seiad Valley. 1676 Comment
  CAS-BOT-BC444076  Lewisia leeana R. F. Thorne; Frederick W. Oettinger 1969-8-4 63370 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. SE side of Diamond Lake 2072 Comment
  UC162636  Lewisia triphylla Harley P. Chandler June, 1901 1607 Siskiyou near Marble Mountain (ridges and meadows); North Coast Ranges 2133 Comment
  UC1137018  Leymus cinereus August L. Hormay 1932-7-15 Siskiyou Weed Valley Comment
  CDA32491  Leymus triticoides Unknown 1959-1-15 s.n. Siskiyou Ager, Southern Pacific Railway 0 Comment
  CAS-BOT-BC436534  Ligusticum californicum A. A. Heller 1915-8-26 12237 Siskiyou Mt. Eddy 1828 Comment
  HSC34295  Ligusticum californicum J. P. Smith, J. O. Sawyer 1973-8-14 7289 Siskiyou Along trail from Log Lake to Campbell Lake 1677 Comment
  HSC22271  Lilium kelleyanum J. O. Sawyer 1969-8-5 1737 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC509359  Lilium kelleyanum Wayne Roderick 1967-7-28 s.n. Siskiyou North of center of the town of Mt. Shasta. In large bog, between old Hwy. and R.R. 1066 Comment
  CAS-BOT-BC509365  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC509368  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC509387  Lilium kelleyanum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  SEINET3887240  Lilium pardalinum Alv Dan Youngberg 1964-6-14 69 Siskiyou Humbolt Meridian.; 0 427 Comment
  SEINET8377150  Lilium pardalinum L. Beane Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Highway 99. Comment
  UCR93359  Lilium pardalinum subsp. wigginsii Kathy Harper, Dane Karr 1994-6-15 s.n. Siskiyou N of Happy Camp, opposite 7121 Indian Creek Road, off Calif. Hwy 96 Comment
  UCR21115  Lilium vollmeri T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CAS-BOT-BC133100  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles north-east of the town of Mount Shasta 1402 Comment
  CAS-BOT-BC123092  Lilium wigginsii Lawrence Beane; Albert Michael Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Hwy 99 Comment
  UC52821  Linanthus ciliatus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Comment
  UC1409392  Linanthus nuttallii Frederick W. Oettinger 1969-8-23 1516 Siskiyou vicinity English Peak (Hamilton Camp, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1402 Comment
  UC52687  Linanthus parviflorus F. W. Hooper Siskiyou Little Shasta Comment
  RSA31646  Linanthus pungens subsp. pulchriflorus A. A. Heller 1938-7-12 15254 Siskiyou Sixteen miles north of Weed on U.S. Highway #97. Comment
  HSC3909  Linnaea borealis subsp. longiflora Dorothy Parker 1949-8-12 363 Siskiyou Along banks of Duck Lake Creek, Salmon Mtns. 1524 Comment
  HSC4864  Linnaea borealis subsp. longiflora J. O. Sawyer 1968-7-10 519 Siskiyou S side of Sugar Creek. 1616 Comment
  UC1190261  Linnaea borealis var. longiflora Ira L. Wiggins 1955-7-23 13467 Siskiyou ridge w China Creek (s side of S Fork of Salmon River); , w of China Creek 1097 Comment
  CAS-BOT-BC94972  Linum lewisii var. lewisii R. C. Wenk 2005-7-15 205 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail 2133 Comment
  CAS-BOT-BC36542  Lithocarpus densiflorus var. echinoides L. E. Smith 1913-6-29 s.n. Siskiyou Rainbow Comment
  UC1586901  Lithophragma Juha Pykala and D. H. Norris 1987-6-26 2061 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness, below Bear Lake, abv Bear Creek Comment
  UC1222383  Lithophragma campanulatum Joseph P. Tracy 1951-6-16 19485 Siskiyou near State line summit of the Siskiyous at crossing Takilma-Happy Camp Road; summit of the Siskiyous Comment
  JEPS47644  Lithophragma glabrum Geo. D. Butler 1909-4-13 652 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC435473  Lithophragma glabrum Ira L. Wiggins 1959-5-28 12389 Siskiyou .3 mi. W of Carmen Lake 1706 Comment
  CAS-BOT-BC443351  Lithophragma parviflorum Alice Eastwood; John Thomas Howell 1931-4-20 1755 Siskiyou Near Yreka, on Ft. Jones road Comment
  POM92052  Lithophragma parviflorum Geo. D. Butler 1909-5-1 687 Siskiyou Klamath Hills. Comment
  JEPS21381  Lithospermum californicum W. L. Jepson 1894-1 21072 Siskiyou Sisson Comment
  CAS-BOT-BC269146  Lolium perenne Geo. D. Butler 1910-6-15 1563 Siskiyou Near Yreka Comment
  CHSC91354  Lolium perenne Lowell Ahart; John Dittes 2005-6-10 12064 Siskiyou South edge of pasture, east of a poor dirt road, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC22242  Lolium perenne J. O. Sawyer 1969-8-1 1617 Siskiyou On trail to Eaton Lakes. 1799 Comment
  UCD66312  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  UC165961  Lomatium californicum Geo. D. Butler 1909-6-6 799 Siskiyou near Yreka Comment
  HSC61916  Lomatium californicum Ruby Van Deventer 5 May [year missing] Siskiyou Poker Flat 1585 Comment
  HSC43035  Lomatium dasycarpum subsp. dasycarpum J. O. Sawyer, Ken Stillman 1976-7-2 2808 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  JEPS17529  Lomatium nudicaule Geo. D. Butler 1909-5-7 745 Siskiyou Yreka Comment
  POM82359  Lomatium nudicaule Geo. D. Butler 1909-5-7 745 Siskiyou Yreka Comment
  CHSC192  Lonicera ciliosa V. Holt 1932-6-26 Siskiyou Mt. Eddy 914 Comment
  HSC2377  Lonicera conjugialis William J. Ferlatte 1966-7-7 191 Siskiyou Caribou Basin. 1982 Comment
  RSA238536  Lonicera conjugialis Frederick W. Oettinger 1968-9-2 658 Siskiyou Southwest of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  SBBG7342  Lonicera hispidula H. and M. Dearing 1939-6-30 3753 Siskiyou near Callahan Comment
  CAS-BOT-BC240842  Lonicera interrupta L. E. Detling 1950-6-10 6618 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  CAS-BOT-BC240851  Lonicera interrupta L. E. Smith 1913-11-12 570 Siskiyou Yreka Comment
  UC1236516  Lotus crassifolius var. crassifolius H. A. Thomas and J. H. Thomas 1954-7-27 4553 Siskiyou about 6 mi se Cecilville (s side of South Fork of Salmon River, in vicinity of Blind Horse Creek and area 1 mi t se); Salmon-Trinity Mts., South Fork of Salmon River, Blind Horse 883 Comment
  JEPS55546  Lotus nevadensis var. nevadensis Geo. D. Butler 1908-6-28 392 Siskiyou Yreka Comment
  UC61648  Lotus oblongifolius var. oblongifolius Geo. B. Grant Sep 1902 5236 Siskiyou Shasta Springs Mount Shasta 609 Comment
  HSC71446  Lotus unifoliolatus var. unifoliolatus J. P. Smith, Steve Selva 1970-7-15 4351 Siskiyou Klamath National Forest, road to Happy Camp. 732 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
  UC865577  Lupinus A. A. Heller 1916-7-19 12458 Siskiyou near Sisson; near Sisson 1074 Comment
  SEINET10488367  Lupinus albicaulis Patricia L. Kenney 1973-6-4 Kenney 386 Siskiyou Along w side of mount shasta, just before pony trail road 1067 Comment
  SEINET10964911  Lupinus albicaulis subsp. shastensis David B. Dunn 1971-8-15 Dunn 18141 Siskiyou 0.5 mile e of mccloud ranger station on hwy 89. Yellow pine forest Comment
  UC1096807  Lupinus albicaulis var. shastensis Douglas Barbe 1955-7-5 110 Siskiyou four and .7 mi w Greenview in Quartz Valley; Klamath Mountains, Quartz Valley 914 Comment
  UC1190235  Lupinus albicaulis var. shastensis Ira L. Wiggins 1955-7-21 13437 Siskiyou Rush Creek Trail 2 mi above Mt. View Ranch; Rush Creek Trail, above Mt. View Ranch 1097 Comment
  UC965448  Lupinus albicaulis var. shastensis A. A. Heller 1915-7-18 12117 Siskiyou Metcalf's ranch Mt. Eddy (ne base of mt.) 1188 Comment
  OBI59147  Lupinus albifrons Rhonda Riggins 1993-6-16 1685 Siskiyou Greenhorn Park off Greenhorn rd in Yreka Comment
  CAS-BOT-BC195965  Lupinus albifrons var. albifrons K. L. Chambers 1967-6-22 2850 Siskiyou About 500 ft above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1097 Comment
  CAS-BOT-BC195968  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-6 47203 Siskiyou Gazelle, 3.2 miles south, Highway 99 Comment
  CAS-BOT-BC195959  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones Comment
  CAS-BOT-BC196313  Lupinus albifrons var. flumineus E. A. McGregor 1922-9-30 s.n. Siskiyou Sisson, near depot Comment
  RSA431057  Lupinus andersonii var. andersonii K. Morris, Dun, Kenney, D. I. Morris 1973-5-25 272 Siskiyou 20.7 mi E of McCloud on Hwy 89. Comment
  CHSC69078  Lupinus angustiflorus Vernon Oswald; Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake southeast of Medicine Lake. 2057 Comment
  UC909320  Lupinus aridus Dorothy Parker 1948-7-14 Siskiyou 2 mi from Etna ( Scott Valley) 670 Comment
  SEINET10936571  Lupinus breweri var. breweri Parker 1965-8-15 Parker 917 Siskiyou Dry rocky and sandy granite soil near syphon lake, salmon mt, siskiyou co., Calif. 2164 Comment
  CAS-BOT-BC215190  Lupinus croceus C. P. Smith 1940-6-6 15079 Siskiyou Along the Castle Lake Road 1584 Comment
  RSA300987  Lupinus croceus M. L. Conrad, LeDoux, Kenney 1973-6-2 6981 Siskiyou 6 miles southwest of Callahan. 1524 Comment
  JEPS19766  Lupinus croceus Rimo Bacigalupi with S. Galen Smith 1957-6-26 5963 Siskiyou about 3 1/2 mi below (ne of) Gumboot Lake (Canyon of South Fork of Sacramento River); Canyon of South Fork Sacramento River, ne of Gumboot Lake 1767 Comment
  RSA105436  Lupinus croceus G. D. Barbe 1955-7-26 288 Siskiyou Among dry rocks at a small pond on the N slope of Scott Mtn. 1982 Comment
  SEINET10485425  Lupinus klamathensis Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6972 Siskiyou On gravelly roadside, 1.1 mi. From interstate 5 on hwy 3 se of yreka in open Exposed area. 914 Comment
  HSC82558  Lupinus lapidicola Thomas W. Nelson, Jane P. Nelson 1979-5-26 4721 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  UC1607590  Lupinus lapidicola Barbara Ertter 1990-7-14 9325 Siskiyou ca 4 airmi w Mt. Shasta City (Wagon Creek on e-side of Mt. Eddy); e side Mt. Eddy, Wagon Creek 1950 Comment
  HSC69357  Lupinus latifolius Maralyn A. Renner 1980-8-21 2579 Siskiyou Kidd Creek 2043 Comment
  JEPS97000  Lupinus lepidus var. sellulus Dean W. Taylor 1999-8-12 17308 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1371 Comment
  SEINET952479  Lupinus lepidus var. sellulus Mark Fishbein, Lane Hreer 2006-1 5875 Siskiyou South Base of Medicine Lake Glass Flow, just north of Medicine Lake 2050 Comment
  UCSB15827  Lupinus lepidus var. sellulus 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  UCD108577  Lupinus lepidus var. sellulus Freed W. Hoffman 1948-7-13 2652 Siskiyou north of Tennant on Butte Creek road. 1295 Comment
  UC922627  Lupinus leucophyllus Annie M. Alexander and Louise Kellogg 1948-9-13 5618 Siskiyou Canyon Creek Siskiyou Mountains, , Canyon Creek (branch of Scott River) 762 Comment
  JEPS83248  Lupinus microcarpus var. microcarpus W. L. Jepson 1940-6-23 19982 Siskiyou ca 2 mi e Montague; e <of> Montague 822 Comment
  UC1401213  Lupinus microcarpus var. microcarpus K. Morris, LeDoux and Dunn 1973-6-2 339 Siskiyou on Hornbrook to Montague road about 1 mi se Hornbrook; se of Hornbrook Comment
  LA205153  Lupinus obtusilobus L. Ellison; 1928-9-11 512 Siskiyou Mt Shasta 2590 Comment
  CDA27472  Lupinus onustus T. C. Fuller 1974-9-24 20020 Siskiyou Reeves Ranch Spring, south slope of the Siskiyou Mountains. 0 Comment
  UCD109376  Lupinus polyphyllus J. M. Tucker; L. K. Mann 1963-7-5 3699 Siskiyou on Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  SEINET10490188  Lupinus polyphyllus var. grandifolius Katherine L. Morris 1973-6-2 Morris 371 Siskiyou Found in the ditch along roadside of hwy. 3 In scot river valley. Comment
  RSA11945  Lupinus sellulus var. artulus Elmer I. Applegate 1923-8-18 3849 Siskiyou Pumice desert between Medicine Lake and Glass Mountain. 1982 Comment
  SEINET10937145  Lupinus sellulus var. lobbii Billy Joe Cox, David B. Dunn 1971-6-9 Cox 2808 Siskiyou 3 mi n of weed, on u.s. Hwy 97. S-facing 20 degree slope; roadside; in pinus Ponderosa, p. Jeffreyi, and artemisia tridentata, and purshia. 1128 Comment
  HSC42909  Luzula comosa J. O. Sawyer, K. T. Stillman 1976-5-28 2722 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  HSC2406  Luzula comosa William J. Ferlatte 1966-8-18 407 Siskiyou 3 mi. S of Big Flat 1585 Comment
  CHSC111640  Luzula comosa var. laxa Peter F. Zika 2009-8-16 24597 Siskiyou Damp meadows near north end of Juanita Lake, over basalt, partial shade, Forest Sevrice Road 46N04. 1550 Comment
  JEPS67159  Luzula comosa var. laxa Geo. D. Butler 1910-4-19 1197 Siskiyou Near Yreka Comment
  CHSC115766  Luzula macrantha P. F. Zika 2012-5-18 25887 Siskiyou Near Dunsmuir Avenue, south end of town of Dunsmuir, 3.6 air km SE of Mount Bradley, Klamath Range. 730 Comment
  HSC670  Luzula parviflora William J. Ferlatte 1967-7-9 687 Siskiyou Kidd Creek Trail 1890 Comment
  HSC39844  Luzula parviflora J. O. Sawyer 1969-6-23 1455 Siskiyou N Horse Range Creek along Rd. 41N14 1037 Comment
  RSA233690  Luzula subcongesta Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38951 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC618822  Luzula subcongesta W. Bridge Cooke 1938-8-18 11476 Siskiyou Mount Shasta, Horse Camp Springs, along the summit trail Horse Camp Springs; Mount Shasta, Horse Camp Springs 2514 Comment
  SEINET5343073  Lythrum hyssopifolia G. Butler 2010-8-3 1181 Siskiyou Yreka Creek Comment
  POM52120  Machaeranthera canescens var. shastensis George B. Grant 1902-9-7 5111 Siskiyou Mt. Shasta 2439 Comment
  SEINET11805156  Machaeranthera canescens var. shastensis J. P. Kroessig 1977-1 53 Siskiyou along E margin of Everitt Memorial Hwy, between hwy entrance & Penny Pines Plantation, ca 3 km N of 1220 Comment
  POM362227  Madia citriodora Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC344015  Madia elegans Lewis S. Rose 1937-7-3 37394 Siskiyou Weed 944 Comment
  CAS-BOT-BC344018  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou Near Sisson 1074 Comment
  HSC81980  Madia elegans Thomas W. Nelson, Jane P. Nelson 1979-6-16 4859 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  UC89394  Madia elegans Brandegee 1887-7-1 Siskiyou Edgewood Comment
  CAS-BOT-BC344002  Madia elegans Bruce G. Baldwin 1986-7-20 616 Siskiyou Junction of California State Highway 96 and U.S. Forest Service Road 46N52 (west of town of Klamath River) Comment
  UC165393  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mt. 1066 Comment
  POM362231  Madia glomerata L. C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1860 Comment
  CAS-BOT-BC343432  Madia gracilis John Thomas Howell 1937-7-22 13320 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC830825  Madia gracilis Lewis S. Rose 1937-7-26 37607 Siskiyou McCloud 1005 Comment
  HSC29115  Madia gracilis Frederick W. Oettinger 1968-9-9 805 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: between Lower Pond and Tobacco Lake 1921 Comment
  OBI55429  Madia gracilis David J. Keil 1992-7-20 23488 Siskiyou Klamath NF, W of Fort Jones. Along forest Rd 44N45, 2 mi S of Scott river rd 1000 Comment
  POM31723  Madia gracilis subsp. gracilis Edward Palmer 1892-7-13 2557 -a Siskiyou Mt. Shasta and vicinity. Comment
  CAS-BOT-BC512763  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs 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
  RSA68871  Maianthemum racemosum subsp. amplexicaule A. E. Culbertson 1943-6-19 85 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 mi SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mtns., 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC140197  Malus rivularis C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  RSA441246  Marah oregana L. C. Wheeler 1934-7-3 2861 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  SEINET192916 Image available Melica californica L. Constance, RC Rollins 1942-5-14 2934 Siskiyou Shasta River 6 mi N of Yreka Klamath-Siskiyou Region 762 Comment
  SEINET935329  Melica californica Lincoln Constance, R. C. Rollins 1942-1 2934 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  UCD77854  Melica fugax Robert E. Preston 2002-6-20 1854 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge 2186 Comment
  HSC42962  Melica harfordii J. O. Sawyer, K. T. Stillman 1976-5-30 2758 Siskiyou Along Specimen Creek. 915 Comment
  CAS-BOT-BC281388  Melica harfordii Doris K. Kildale 1928-6-24 5276 Siskiyou Entrance to Horse Mountain 914 Comment
  JEPS25625  Melica subulata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7262 Siskiyou Poker Flat 1536 Comment
  JEPS63470  Mentha canadensis Willis L. Jepson Jul 24 1894-Aug 10 1894 14917 Siskiyou Sisson; Upper Sacramento, Sisson Comment
  UCR143376  Mentha spicata L. C. Wheeler 1934-9-22 3301 Siskiyou Siskiyou Mtns, Walker, Klamath River 518 Comment
  UC1368674  Mentzelia albicaulis W. B. and V. G. Cooke 1968-7-1 39231 Siskiyou n side Mt. Shasta (Along Andesite Road) 1524 Comment
  UC164048  Mentzelia dispersa Geo. D. Butler 1909-6-12 906 Siskiyou McAdams Creek Comment
  UC454539  Mentzelia dispersa I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  CDA36641  Mentzelia dispersa var. latifolia T. C. Fuller 1958-6-19 s.n. Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CHSC26191  Mentzelia laevicaulis J. P. Kroessig 1977-8-6 59 Siskiyou Ca 3 km sw of Mt Shasta City. 976 Comment
  JEPS20796  Menyanthes trifoliata Willis L. Jepson Jul 24 1894-Aug 10 1894 14643 Siskiyou near Sisson (Upper Sacramento Region); Upper Sacramento Region Comment
  CAS-BOT-BC428553  Micranthes aprica Ira L. Wiggins 1950-5-28 12387 Siskiyou .3 mi. w. of Carmen Lake 1706 Comment
  CAS-BOT-BC428463  Micranthes aprica Ella Dales Cantelow 1936-5-20 1419 Siskiyou Summit of Scott Mt., Siskiyou-Trinity Co. line 1630 Comment
  CAS-BOT-BC429154  Micranthes odontoloma Gilbert Muth 1966-7-24 442 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC506661  Micranthes odontoloma Dana York 2011-8-14 3077 Siskiyou Marble Mountain Wilderness, Klamath National Forest. Marble Valley, just below the PCT 1730 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
  HSC61897  Mimulus breweri Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC164368  Mimulus breweri Geo. D. Butler 1910-7-9 1733 Siskiyou Upper Campbell Lake Shackleford Creek 1371 Comment
  HSC61896  Mimulus guttatus Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA237546  Mimulus guttatus Frederick W. Oettinger 1967-8-13 255 Siskiyou Below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  UC1037453  Mimulus inodorus Milo S. Baker and Douglas Barbe 1955-6-30 55 Siskiyou 0.6 mi nw Forest Camp, Etna; Klamath Mountains, Johnson Creek 914 Comment
  HSC27111  Mimulus layneae Carl W. Mize 1972-6-21 62 Siskiyou 0.25 mi. above road on WSW slope 305 Comment
  UC144524  Mimulus layneae Copeland 1903-9-5 3851 Siskiyou Igerna Comment
  RSA237573  Mimulus moschatus Frederick W. Oettinger 1968-8-11 478 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  RSA59506  Mimulus nanus var. nanus E. K. Balls 1950-5-16 14708 Siskiyou Caldwell Butte, east slope. Lava beds Nat'l Monument. 1646 Comment
  UCD122772  Mimulus nanus var. nanus John M. Tucker 1963-7-7 3724 Siskiyou vicinity of Paradise Lake, at east base of Kings Castle on east side; Marble Mountain Wilderness Area. 1981 Comment
  HSC69356  Mimulus primuloides Maralyn A. Renner 1980-8-21 2585 Siskiyou Kidd Creek 2043 Comment
  UC454789  Mimulus primuloides I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  HSC91055  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-7-2 1251 Siskiyou Mt. Eddy: Near Dobkins Lake 2073 Comment
  NY380637  Mimulus primuloides var. linearifolius A. A. Heller 1915-8-26 12224 Siskiyou Near the head of Wagon Creek Canyon, Mt. Eddy. 2590.8 Comment
  RSA237541  Mimulus primuloides var. pilosellus Frederick W. Oettinger 1969-7-29 1099 Siskiyou Uncle's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 1982 Comment
  UC27095  Mimulus pulsiferae Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  CAS-BOT-BC388879  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou Between Igerna and Weed Comment
  CAS-BOT-BC388880  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou About midway between Igerna and Weed Comment
  RSA423559  Minuartia douglasii N. G. Sugihara 1977-5-28 74 Siskiyou Hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar 1128 Comment
  CHSC71571  Minuartia nuttallii subsp. gregaria Vernon H. Oswald; Lowell Ahart 1998-8-3 9450 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. On slope below the road. 1767 Comment
  RSA211229  Minuartia nuttallii subsp. gregaria William J. Ferlatte 1966-8-4 304 Siskiyou Dorleska summit. 2134 Comment
  CAS-BOT-BC181108  Minuartia nuttallii var. gregaria Doris K. Kildale 1929-8-24 9062 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC181112  Minuartia nuttallii var. gregaria R. C. Barneby 1954-5-17 11539 Siskiyou Scott Mts., 8 miles above Callahan 1569 Comment
  CAS-BOT-BC229609  Mirabilis greenei L. E. Smith 1913-5-29 320 Siskiyou Yreka Comment
  UC195173  Mirabilis greenei Annie M. Alexander and Louise Kellogg 1911-6-13 131 Siskiyou 6 mi nw Callahan Comment
  UC796514  Mirabilis greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11864 Siskiyou foot of Gazelle Mt grade Willow Creek Comment
  CAS-BOT-BC229607  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  CAS-BOT-BC433022  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC433063  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  HSC61889  Mitella pentandra Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC1046529  Mitella trifida R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3448 Siskiyou near summit of Takilma-Happy Camp Road (Del Norte-Siskiyou Co. line); Siskiyou Mountains, Vicinity of Poker Flat 1630 Comment
  HSC36943  Moehringia macrophylla J. P. Smith 1974-5-26 7563 Siskiyou Along FS Rd. 47N03 1524 Comment
  SEINET6645733  Mollugo verticillata L. C. Wheeler 1935-7-20 3676 Siskiyou Scott River, 1 1/2 mi. W. of Ft. Jones 823 Comment
  HSC24689  Monardella glauca J. O. Sawyer 1969-8-1 1674 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC65407  Monardella glauca Rich White 1978-7-20 263 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  HSC76709  Monardella odoratissima K. T. Stillman 1976-7-14 228 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  SEINET3996774 Image available Monardella odoratissima Marion Ownbey, Fred G. Meyer 1940-7-5 2182 Siskiyou East side of Mt. Shasta Comment
  UC2035858  Monardella odoratissima subsp. glauca Elmer I. Applegate 1935-6-8 9432 Siskiyou Bear Paw Cave Lava Beds National Monument Comment
  UC61653  Monardella odoratissima subsp. glauca Geo. B. Grant September 1902 5131 Siskiyou Horse Camp Mount Shasta 2438 Comment
  CAS-BOT-BC210240  Monardella odoratissima subsp. pallida Dana York 2011-8-12 3041 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  CAS-BOT-BC220362  Monardella odoratissima subsp. pallida J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  HSC42229  Monardella odoratissima subsp. pallida R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 162 Siskiyou Above Kidd Creek 1951 Comment
  HSC466  Monardella odoratissima subsp. pallida William J. Ferlatte 1966-8-3 286 Siskiyou Josephine Lake basin. 1677 Comment
  HSC67815  Monardella odoratissima subsp. pallida J. O. Sawyer, J. Cole 1980-7-20 3788 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  JEPS51857  Monardella odoratissima subsp. pallida Duncan Dunning 1921-7-20 Siskiyou about 10 air mi ne McCloud (Morrison (onetime logging camp)) Comment
  SEINET3996791 Image available Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou On Takilma-Happy Camp road 1676 Comment
  RSA215625  Monardella odoratissima subsp. pallida Gilbert Muth 1969-8-6 1196 Siskiyou Boulder Park. 2530 Comment
  CDA40783  Monardella sheltonii J. Anslem 1958-7-1 670 -58 Siskiyou Scott s Bar. 0 Comment
  RSA0022798  Monardella villosa Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath River between Dutch Creek and Deadman Gulch. 671 Comment
  RSA0022799  Monardella villosa Clare B. Hardham 1965-8-17 13070 Siskiyou 4-5 miles southwest of Klamath River. Orleans - Eureka road. Comment
  CAS-BOT-BC445110  Montia linearis L. E. Smith 1913-4-22 94 Siskiyou Yreka Comment
  UC166171  Montia linearis Geo. D. Butler 1909-3-14 680 Siskiyou McDutty's upper field near Yreka Comment
  UC1153850  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou banks of stream on lower slopes White Ridge; canyon of the South Fork of the Sacramento River 1371 Comment
  HSC39859  Muhlenbergia asperifolia J. P. Smith, Steve Selva 1970-8-9 4582 Siskiyou In potato fields W of Macdoel. Comment
  CAS-BOT-BC267042  Muhlenbergia filiformis Alice Eastwood 1923-5-27 s.n. Siskiyou Shasta Springs to McCloud Comment
  CAS-BOT-BC267051  Muhlenbergia filiformis L. P. Janeway 1983-8-16 543 Siskiyou Siskiyou Mountains: at Poker Flat, in upper portion of meadow 1524 Comment
  RSA603014  Muhlenbergia filiformis L. C. Wheeler 1935-7-26 3703 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UCD86576  Muhlenbergia filiformis A. A. Heller Date Unknown 11704 Siskiyou 6 miles north of Sisson. Near Deetz station. Comment
  CAS-BOT-BC262585  Muhlenbergia jonesii John R. Reeder; Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartle 1219 Comment
  HSC22229  Muhlenbergia montana J. O. Sawyer 1969-8-1 1690 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA239109  Muhlenbergia montana Frederick W. Oettinger 1969-8-16 1389 Siskiyou Southwest of Wire Grass Meadow, above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CDA5594  Myosotis micrantha G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2625 Siskiyou 0.4 km northeast of Oro Fino. Comment
  CHSC26189  Nama lobbii J. P. Kroessig 1977-8-5 56 Siskiyou Ca 11 km e on Everitt Memorial Hwy, ca 13 km ssw of Mt. Shasta Peak. 1640 Comment
  SDSU6068  Nama lobbii D. F. Howe 1979-6-26 Siskiyou 3 miles north of Mc Cloud, Siskiyou Co. 1554 Comment
  RSA601498  Navarretia capillaris L. C. Wheeler 1935-7-26 3699 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UCD48378  Navarretia divaricata Robert F. Preston 2002-6-20 1831 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  HSC44288  Navarretia intertexta J. P. Smith, Steve Selva 1970-7-16 4379 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC1112262  Navarretia leucocephala subsp. minima R. C. Bacigalupi with S. Galen Smith 1957-6-26 5935 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  CAS-BOT-BC230559  Nemophila parviflora var. austiniae Harley P. Chandler 1901-6-1 1706 Siskiyou Near Marble Mountain 1981 Comment
  UC1258446  Nemophila parviflora var. austiniae Maralyn A. Renner 1980-7-23 1824 Siskiyou near ridge about 1 mi e Cook and Green Pass (Pacific Crest Trail, Klamath National Forest); Seiad Valley Quad., Klamath National Forest 1752 Comment
  UC164455  Nicotiana attenuata Geo. D. Butler 1910-7-1 1618 Siskiyou near Yreka Comment
  SEINET6174145  Nicotiana attenuata G. D. Butler 1910-7-1 1618 Siskiyou Dry field near Yreka. Comment
  UC195220  Nicotiana quadrivalvis Annie M. Alexander and Louise Kellogg 1911-6-13 132 Siskiyou 6 mi nw Callahan Comment
  POM95163  Noccaea Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC60592  Noccaea fendleri subsp. glauca Harley P. Chandler 1901-6-1 1689 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  HSC75106  Noccaea fendleri subsp. glauca J. P. Smith, Thomas W. Nelson 1979-6-16 10136 Siskiyou Klamath National Forest, along Hwy. 3, 3.1 mi. from the Scott Mtn. summit. 1280 Comment
  CHSC1871  Nothochelone nemorosa V. Holt 1943-8-13 Siskiyou Marble mountains. 1828 Comment
  JEPS11900  Nothochelone nemorosa Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4787 Siskiyou at summit of rad between Takilma and Happy Camp (exactly at boundary of Siskiyou and Klamath National Forests, Del Norte - Siskiyou County Line); Del Norte - Siskiyou County Line 1554 Comment
  RSA181897  Nothochelone nemorosa Freed W. Hoffman 1950-7-11 3494 Siskiyou Cedar Camp Rd, 30.1 miles from Klamath Highway. (western Siskiyou Co.) Comment
  UCSB24512  Notholithocarpus densiflorus McMinn, Howard 1931-6-27 Siskiyou Shasta City Comment
  UC630393  Nuphar lutea subsp. polysepala Annetta Carter 1939-8-20 1462 Siskiyou 12 mi sw of Etna (Salmon Mountains, nw end of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  UC722330  Nuphar lutea subsp. polysepala C. L. Hitchcock, J. S. Martin 1939-7-7 5273 Siskiyou Whiskey Lake 1/2 mi above Camp Chicago (on Sanger Peak Trail); Whiskey Lake, Sanger Peak Trail 1463 Comment
  HSC29309  Nuphar polysepala Frederick W. Oettinger 1969-8-1 1139 Siskiyou Marble Mtn. Wilderness Area, English Lake near inlet 1753 Comment
  HSC41047  Oemleria cerasiformis J. O. Sawyer 1970-3-4 2066 Siskiyou N of Idlewild Campground 762 Comment
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Mar 12 2012
  SEINET10632053  Oenothera Daniel K. Harder 1994-9-29 Harder 2487 Siskiyou Ca. 5 mi. W of Callahan on road to Cecilville in Klamath National Forest along S fork of Scott River. At serpentine outcrops along road. 1140 Comment
  CHSC1155  Oenothera elata subsp. hirsutissima K. Jaekel; N. Jaekel 1939-7-14 Siskiyou Near Mt. Shasta. 1097 Comment
  UC164310  Oenothera villosa subsp. strigosa Geo. D. Butler 1910-7-30 1799 Siskiyou Yreka Creek Comment
  CDA7550  Onopordum acanthium T. C. Fuller, Bill Huse 1959-7-13 2748 Siskiyou Jack Crawford Ranch, Tulelake. 0 Comment
  SEINET13694636 Image available Onopordum tauricum T. C. Fuller 1960-4-26 s.n. Siskiyou Dorris Comment
  RSA0066438  Orobanche fasciculata Frederick W. Oettinger, Robert Thorne 1969-8-4 1176 Siskiyou North of Tobacco Lake. 1889 Comment
  CAS-BOT-BC500331  Orobanche uniflora subsp. occidentalis Dorothy Parker 1949-7-10 s.n. Siskiyou Salmon Mountain Comment
  HSC19213  Orthilia secunda J. O. Sawyer 1968-9-10 685 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  SBBG40873  Orthocarpus cuspidatus subsp. copelandii C. B. Hardham 1961-6-30 7997 b Siskiyou near Mud Spring Comment
  UC1408869  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1968-8-11 477 Siskiyou e Tom Taylor Cabin spring (high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  UC164364  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1910-6-19 1584 Siskiyou Goosenest foothills 1524 Comment
  UC903488  Orthocarpus cuspidatus subsp. cuspidatus Dorothy Parker 1948-7-11 101 Siskiyou near Beswick (Shovel Creek); , near Beswick 1011 Comment
  POM44322  Orthocarpus imbricatus Edward Palmer 1892-7-13 2435 Siskiyou Mt. Shasta and vicinity. Comment
  HSC69323  Osmorhiza berteroi Maralyn A. Renner 1980-8-31 2666 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  HSC29190  Osmorhiza berteroi Frederick W. Oettinger 1969-7-10 952 Siskiyou Marble Mountain Wilderness Area, W of English Lake 1761 Comment
  RSA126288  Osmorhiza berteroi I. L. Wiggins 1955-7-21 13428 Siskiyou Near Mt. View Ranch 7 miles above Cecilville on S Fork of Salmon River 976 Comment
  UC922403  Osmorhiza occidentalis Annie M. Alexander and Louise Kellogg 1949-7-21 5831 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  SEINET11141888  Osmorhiza occidentalis G. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek. 1219 Comment
  RSA261379  Osmorhiza purpurea J. M. Tucker, L. Mann 1963-7-5 3700 Siskiyou On Blake s Fork of South Russian Creek (a tributary of Salmon River), ca 7 air miles east of Sawyer s Bar, Salmon Mountains 1616 Comment
  UC1731286  Packera cana Dean Wm. Taylor with Joe Molter 1998-6-17 16558 Siskiyou base of hillslopes 3 mi s of Gazelle (bordering Shasta Valley, Scott Mountains); Klamath Region, Scott Mountains 1036 Comment
  UCD88591  Panicum acuminatum var. fasciculatum R. Tofsrud 1949-8-3 s.n. Siskiyou Klamath River, 10 miles east of Happy Camp. Comment
  CHSC86258  Parnassia cirrata Martin J. Lenz 2003-9-19 42 Siskiyou Approx. 2000 ft. SW of Panorama Rd. underpass, Dunsmuir. UTM: Zone 10 559966E 4560726N. 779 Comment
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May 8 2007
  CAS-BOT-BC175613  Parnassia palustris Wm. Bridge Cooke 1939-8-24 13898 Siskiyou Throughout the area of Squaw Valley Creek meadows Comment
  CAS-BOT-BC175614  Parnassia palustris Wm. Bridge Cooke 1938-9-8 11671 Siskiyou Squaw Creek, Heather Meadows Comment
  HSC46735  Parnassia palustris W. J. Ferlatte 1976-9-22 1852 Siskiyou Trinity Alps, Grouse Ridge along Yellow Rose Mine Trail, W facing slope. 1829 Comment
  UC637039  Paspalum distichum Edward Lee 1934-8-10 1019 Siskiyou near Hamburg (south bank of Klamath River between McKinney and Parkerhouse creeks); s bank of Klamath River 609 Comment
  CAS-BOT-BC202853  Paxistima myrsinites Doris K. Kildale 1929-7-21 8740 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  CAS-BOT-BC202854  Paxistima myrsinites H. L. Mason 1929-5-18 5329 Siskiyou Hills along Shasta Creek Canyon Comment
  CHSC237  Paxistima myrsinites V. Keeler 1935-5-9 Siskiyou Dunsmuir. Comment
  POM321296  Paxistima myrsinites K. L. Chambers 1962-4-28 2212 Siskiyou Hwy 99, summit of Black Butte Pass, just W of Mt. Shasta and S of Weed. 1195 Comment
  UC1490300  Paxistima myrsinites Rolf Y. Berg 1980-6-25 Siskiyou Horsetail Falls on rd. from Seiad Valley to Cook and Green Pass; Klamath R. Region, Horsetail Falls Comment
  UC54486  Paxistima myrsinites H. M. Hall and E. B. Babcock June, 1903 4075 Siskiyou near Upton; Sierra Nevada Mts., Mt. Shasta 1219 Comment
  UC60927  Paxistima myrsinites Geo. B. Grant September 1902 5153 Siskiyou Mt. Shasta, Sisson 914 Comment
  POM43388  Pedicularis aurantiaca Geo. D. Butler 1324 Siskiyou Goosenest foothills. 1524 Comment
  CAS-BOT-BC266636  Pedicularis bracteosa L. R. Short 1933-8-7 113 Siskiyou Marble Mountains, Klamath Forest 1828 Comment
  HSC19157  Pedicularis bracteosa var. flavida J. O. Sawyer 1969-8-5 1750 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC266657  Pedicularis contorta John Thomas Howell 1937-7-24 13405 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS74420  Pedicularis contorta W. J. Ferlatte 1966-8-17 397 Siskiyou Caribou Basin; Trinity Alps 1981 Comment
  LA209462  Pedicularis densiflora Joseph Andorfer Ewan; 1939-6-30 13558 Siskiyou Mount Shasta, Long the MacBride Springs Road Comment
  JEPS84183  Pedicularis racemosa L. R. Heckard with J. Hickman et al. 1986-7-17 6535 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  HSC12277  Pedicularis racemosa R. W. Spjut 1970-7-17 448 Siskiyou 16 mi. W of Mt. Shasta at Gumboot Lake, NW corner of lake 1829 Comment
  RSA605525  Pellaea brachyptera L. C. Wheeler 1959-7-26 7609 Siskiyou Marble Mountain, near summit of Ukonom Mountain 1402 Comment
  CAS-BOT-BC67672  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake 1828 Comment
  HSC69289  Penstemon anguineus Maralyn A. Renner 1980-7-24 1948 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC76659  Penstemon anguineus K. T. Stillman 1976-7-22 292 Siskiyou Marble Mtn. Wilderness Area Comment
  SFV3425  Penstemon anguineus D. Myrick 1961-6-21 313 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River. 19 miles west of Highway 99. 1677 Comment
  RSA238744  Penstemon anguineus Frederick W. Oettinger 1967-8-20 288 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  UC1187077  Penstemon cinereus David D. Keck 1940-6-13 5174 Siskiyou 9 mi s Macdoel (on U.S. 97 between Dorris and Weed); s of Macdoel, btw Dorris and Weed 1463 Comment
  RSA151969  Penstemon cinereus R. C. Bacigalupi, L. R. Heckard, G. Bacigalupi, Ruth D. Sanderson 1952-6-18 3740 Siskiyou Near Panther Creek Guard Station, along Little Shasta River, 16 miles E of Montague on forest road to Mount Hebron. 1280 Comment
  RSA233656  Penstemon davidsonii Robert F. Thorne, Frederick W. Oettinger 1969-8-10 39005 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC265377  Penstemon davidsonii var. davidsonii Robert T. Clausen July 27 4977 Siskiyou W fork of Mountainhouse Creek, 3 miles NNE of summit of Mount Shasta 2438 Comment
  CAS-BOT-BC265379  Penstemon davidsonii var. davidsonii Alice Eastwood 1921-7-28 10889 Siskiyou Little Mount Hoffman Comment
  CAS-BOT-BC265380  Penstemon davidsonii var. davidsonii Alice Eastwood 1921-7-28 10889 Siskiyou Little Mount Hoffman Comment
  NY591454  Penstemon davidsonii var. davidsonii E. I. Applegate 1931-6-24 6806 Siskiyou Near summit of ridge between Modoc Lava Beds and Medicine Lake. Comment
  UC139723  Penstemon davidsonii var. davidsonii E. B. Copeland 1903-8-16 3871 Siskiyou Mount Shasta 3048 Comment
  UC60947  Penstemon davidsonii var. davidsonii Geo. B. Grant Sep 1902 5095 Siskiyou Mount Shasta Comment
  SBBG30644  Penstemon deustus D. Myrick 1968-6-27 2037 Siskiyou just above Carter's Ranch, 5 mi S of Big Flat 1676 Comment
  SEINET3160326  Penstemon deustus G. D. Butler 1910-5-25 1404 Siskiyou near Yreka Comment
  HSC63257  Penstemon deustus M. A. Baker 1979-7-31 1098 Siskiyou Johnson's Hunting Ground, 0.4 k. N of trail to Independence Valley 2000 Comment
  RSA401796B  Penstemon deustus Bonnie C. Templeton 1960-6-21 8527 Siskiyou Between CA State line and the Agricultural Inspection Station. Comment
  UC1190243  Penstemon deustus var. suffrutescens Ira L. Wiggins 1955-7-29 13583 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake); summit of ridge above Thompson Creek 1999 Comment
  CHSC30239  Penstemon gracilentus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3262 Siskiyou Little Mt. Hoffman, n side. 2225 Comment
  UCD124177  Penstemon gracilentus Jack Major 1961-7-14 653 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  SBBG30586  Penstemon heterodoxus var. cephalophorus D. Myrick 1968-6-27 2046 Siskiyou trail to Lake Josephine above Carter's Ranch 5 mi S of Big Flat 1828 Comment
  UC164255  Penstemon heterodoxus var. shastensis Geo. D. Butler 1910-6-19 1591 Siskiyou Goosenest foothills 1524 Comment
  HSC72494  Penstemon heterophyllus J. P. Smith, Steve Selva 1970-6-16 4017 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  HSC86525  Penstemon laetus D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  NY604579  Penstemon laetus var. sagittatus D. D. Keck 1940-6-13 5170 Siskiyou Weed, north side of town on Route 97. Observed to be ± continous to within 4 miles of Grass Lake. Comment
  RSA15583  Penstemon laetus var. sagittatus Carl B. Wolf 1927-8-27 1145 Siskiyou Klamath River, 10 miles above mouth of Salmon Comment
  RSA420420  Penstemon laetus var. sagittatus Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CHSC31046  Penstemon newberryi M. S. Taylor; W. Overton 1980-7-8 3089 Siskiyou On n side of 40N43 at point in rd, ca. 2.4 mi w of its jct with 40N26 at w end of Lake Siskiyou. 1341 Comment
  RSA211463  Penstemon newberryi William J. Ferlatte 1966-7-7 194 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  SBBG16534  Penstemon newberryi D. Myrick 1961-6-19 263 Siskiyou rd to Mt Shasta Ski Bowl 1371 Comment
  SBBG21851  Penstemon newberryi D. Myrick 1964-7-25 949 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
  UCD124310  Penstemon newberryi A. H. Murphy 1959-7-22 59 P Siskiyou Shasta National Forest, Porcupine Lake. 2286 Comment
  HSC4839  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-7-9 412 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC81520  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-21 6157 Siskiyou Along FS Rd. 40N08, 0.6 mi. from junction with Hwy. 3 1646 Comment
  UC922583  Penstemon parvulus Annie M. Alexander and Louise Kellogg 1948-9-9 5610 Siskiyou near Taylor Lake; Siskiyou Mountains, near Taylor Lake 1828 Comment
  HSC19163  Penstemon parvulus J. O. Sawyer 1969-7-1 962 Siskiyou NE facing upper slope above Paynes Lake Creek 1784 Comment
  NY629972  Penstemon parvulus A. R. Kruckeberg 1972-6-10 6211 Siskiyou Between Cook and Green Pass and Red Butte Comment
  NY638946  Penstemon procerus var. brachyanthus I. L. Wiggins 1955-7-27 13526 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 Comment
  NY638947  Penstemon procerus var. brachyanthus F. W. Pennell 1940-7-17 26180 Siskiyou Above Ruffy Lake, Salmon Mountains, west of Etna 1981.2 Comment
  JEPS5716  Penstemon roezlii Dorothy Parker 1954-6-5 619 Siskiyou just e Scott Valley (Hartstrand Gulch); Siskiyou Mountains, , e of Scott Valley 855 Comment
  JEPS11508  Penstemon speciosus W. L. Jepson 1894-8-4 21432 Siskiyou Mt. Shasta Comment
  SEINET13761771 Image available Penstemon speciosus R. R. Halse 2016-5-29 9721 Siskiyou Along Hilt Road, E of Hilt by its intersection with I-5. 939 Comment
  UC54622  Penstemon speciosus H. M. Hall and E. B. Babcock June, 1903 4071 Siskiyou near Sisson (Mount Shasta); Sierra Nevada Mountains, Mt. Shasta 1066 Comment
  POM42979  Penstemon speciosus Geo. D. Butler 1910-5-18 1360 Siskiyou Near Yreka. Comment
  UC1312906  Perideridia bolanderi subsp. bolanderi L. Constance and T. I. Chuang 1967-7-22 3801 Siskiyou 4 mi s Callahan (n slope of mt.); Scott Mountain 1371 Comment
  SEINET11154191  Perideridia gairdneri subsp. borealis G. D. Butler 1910-8-7 1822 Siskiyou Humbug Mountain. 1219 Comment
  UC1390007  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-6 5881 Siskiyou 3 mi w Cecilville Comment
  UCD127877  Perideridia oregana Robert E. Preston 1995-6-18 878 Siskiyou Ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  JEPS74554  Perideridia parishii subsp. latifolia W. J. Ferlatte 1966-8-16 371 Siskiyou Big Flat Hillside seep forming boggy meadow Trinity Alps (between campground and S. Fork of the Salmon R.) 1524 Comment
  RSA211473  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-16 371 Siskiyou Trinity Alps: Big Flat Hillside, between campground and S. Fork of the Salmon River 1524 Comment
  UC1400335  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou slope of se aspect due s area bet. David Mountain and Abbots Lake Basin (and on old Tanners Peak Trail, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  CAS-BOT-BC413491  Persicaria amphibia Carl B. Wolf 1927-8-26 1023 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC419258  Persicaria maculosa Louis C. Wheeler 1934-9-20 3286 Siskiyou Lumgrey Creek, Siskiyou Mts. 670 Comment
  HSC101738  Petrorhagia dubia J. P. Smith, J. O. Sawyer 2010-5-2 12797 Siskiyou River access road, on the Salmon River. 164 Comment
  JEPS75571 Image available Phacelia cookei L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2294 Siskiyou at junction of Old Military Pass Road and U. S. Highway 97 (n of Mt. Shasta); ; Military Pass Road, N of Mt. Shasta, Siskiyou Co. 1341 Comment
  HSC65663  Phacelia egena J. P. Smith, Steve Selva 1970-6-15 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  HSC43867  Phacelia greenei M. A. Baker 1977-5-22 322 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  RSA582233  Phacelia heterophylla var. virgata Louis C. Wheeler 1935-6-9 3567 .5 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  RSA74837  Phacelia linearis F. W. Peirson 1923-7-19 3818 Siskiyou 20 miles north of Bray. Comment
  UC618690  Phacelia mutabilis W. Bridge Cooke 1938-7-15 11273 Siskiyou Wagon Camp-Horse Camp Trail Mt. Shasta Comment
  JEPS1088  Phacelia procera W. L. Jepson Jul 17 1902-Jul 22 1902 2076 Siskiyou Salmon Summit Western Siskiyou 2286 Comment
  SBBG16265  Phacelia procera H. and M. Dearing 1939-7-1 3777 Siskiyou Salmon Mtn 1828 Comment
  UC164146  Phacelia procera Geo. D. Butler 1910-7-8 1679 Siskiyou Shackleford Creek 1524 Comment
  HSC62290  Phacelia procera Al Hobart 1969-8-8 Siskiyou Youngs Valley Comment
  RSA238840  Phacelia procera Frederick W. Oettinger 1968-8-23 613 Siskiyou Base of sheer cliff just due east of Diamond Lake and 50 feet below the lake in elevation. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness. 2058 Comment
  RSA17695  Phacelia ramosissima var. ramosissima Elmer I. Applegate 1935-6-5 9300 Siskiyou Capt. Jack s Stronghold, Lava Beds National Monument Comment
  HSC67964  Philadelphus californicus J. P. Smith 1976-5-22 8790 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  HSC79335  Philadelphus californicus D. H. Norris 1970-5-23 12239 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  CAS-BOT-BC77417  Philadelphus lewisii Carl B. Wolf 1927-8-26 1044 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  LA206242  Philadelphus lewisii Louis C. Wheeler; 1934-7-16 2910 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  RSA0058053  Philadelphus lewisii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1200 Siskiyou Above Willow Spring, on English Lake trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC4773  Phleum pratense William J. Ferlatte 1966-8-16 372 Siskiyou Big Flat, between campground and S Fork of the Salmon River. 1524 Comment
  HSC44975  Phlox diffusa J. O. Sawyer, E. Cope 1977-6-20 2969 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  HSC99790  Phlox diffusa G. L. Clifton, Griswold 1979-6-28 6110 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  JEPS113328  Phlox diffusa L. P. Janeway 2006-7-4 8794 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. Comment
  JEPS69942  Phlox diffusa W. L. Jepson 1940-6-27 20046 Siskiyou above head of Brewer Creek (e slope of Mt. Shasta); Mt. Shasta 2133 Comment
  UC1190247  Phlox diffusa Ira L. Wiggins 1955-7-27 13541 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA275280  Phlox diffusa subsp. diffusa J. P. Smith 1973-5-5 6472 Siskiyou Along Cook and Green Pass road. Comment
  HSC93351  Phlox hirsuta Daine Elam, Ken Fuller 1997-5-14 Siskiyou Soap Creek Ridge, upslope from Hwy. 3, SW of Yreka Comment
  SEINET7042841  Phlox hirsuta A. G. Jones 1955-1 Siskiyou Comment
  SEINET5732304 Image available Phlox rigida Sandy Holloway 1963-1 23 Siskiyou Humbug Road, 1.5 miles west of Hawkinsville.; Hawkinsville 914 Comment
  RSA469941  Phlox speciosa subsp. nitida J. P. Smith 1973-5-5 6546 Siskiyou Scott Bar along the Scott River. 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
  CAS-BOT-BC56491  Phyllodoce empetriformis Ira L. Wiggins 1955-7-27 13543 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC4825  Phyllodoce empetriformis J. O. Sawyer 1968-6-18 225 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  RSA451848  Physocarpus capitatus M. B. Dunkle 1944-7-16 9113 Siskiyou Beaver Creek Camp. Comment
  UC1034605  Physocarpus capitatus Douglas Barbe 1955-6-29 45 Siskiyou 1.8 mi e Callahan (on bank of Scott River); Klamath Mts 975 Comment
  CAS-BOT-BC78179  Picea breweriana L. E. Berriman 1941-1-1 s.n. Siskiyou North slopes of Russian Peak; west of Callahan 2133 Comment
  HSC24697  Picea breweriana J. O. Sawyer 1969-7-26 1573 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  HSC43422  Picea breweriana Maralyn O'Meara 1974-5-25 389 Siskiyou Along road to Duck Lakes trail 1402 Comment
  NY29981  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM193628  Picea breweriana Patricia Bennett 1928-7-11 s.n. Siskiyou Salmon Mountains; head of No Nothing Creek. Comment
  NY29988  Picea breweriana H. A. Thomas 1943-7-7 8693 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC73391  Pinus albicaulis Gilbert Muth 1966-8-6 177 Siskiyou Marble Mts. - ridges of the Marble rim. 2133 Comment
  CAS-BOT-BC78325  Pinus attenuata Marion Ownbey; Fred G. Meyer 1940-7-7 2219 Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC78328  Pinus attenuata Ira L. Wiggins 1955-7-24 13485 Siskiyou Ridge betw. upper reaches of China Creek and Blind Horse Creek 1463 Comment
  UC401410  Pinus attenuata Geo. D. Butler 1908-8-26 518 Siskiyou head of Russian Creek Russian Creek Comment
  NY34637  Pinus attenuata A. A. Heller 1921-7-23 13587 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1585380  Pinus balfouriana R. Raiche, K. Zadnik, and H. Forbes 1989-10-4 UCBG 72 Siskiyou cirque above Deadfall Lakes (near Trinity Co. line); Mt. Eddy 2440 Comment
  HSC103159  Pinus balfouriana subsp. balfouriana Michael Kauffmann 2013-8-7 19 Siskiyou South China Mountain 2395 Comment
  CAS-BOT-BC73094  Pinus lambertiana W. R. Dudley 1899-8-9 s.n. Siskiyou S. slope Black Butte, W. of Mt. Shasta. Comment
  HSC37526  Pinus lambertiana J. P. Smith 1974-5-25 7436 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  CAS-BOT-BC78963  Pinus monticola W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak Comment
  CAS-BOT-BC72863  Pinus ponderosa Carl B. Wolf 1927-8-26 1060 Siskiyou On the Klamath River, 3 mi. below Gottville. Comment
  CHSC33840  Piperia colemanii J. D. Prouty 1981-7-13 1234 Siskiyou On the W slope of Lookout Point. 1615 Comment
  JEPS107412  Plagiobothrys bracteatus Lowell Ahart, John Dittes 2005-6-9 12035 Siskiyou Meadow area along a small drainage, 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 774 Comment
  UC163844  Plagiobothrys greenei Geo. D. Butler 1909-4-30 668 Siskiyou near Luk<?> Comment
  JEPS69750  Plagiobothrys hispidus W. B. and V. G. Cooke 1972-6-30 45416 Siskiyou above Andesite Crossing (Military Pass Road); Mt. Shasta 1524 Comment
  SDSU5442  Plagiobothrys hispidus D. F. Howe 1964-8-5 3941 Siskiyou Klamouth National Forest 3.7 miles from north entrance on #97. 1585 Comment
  POM72152  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou Near Yreka. Comment
  UC163848  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka Comment
  UC54755  Plagiobothrys tenellus F. W. Hooper 1897-4-21 Siskiyou Little Shasta Comment
  SJSU8038  Plagiobothrys tener C. L. Kline 1965-7-14 204 Siskiyou 10 mi E of McCloud 1280 Comment
  JEPS117461  Plantago eriopoda Lowell Ahart, John Dittes 2010-7-30 16967 Siskiyou About 10 yards south of the Shasta River, about 40 yards west of the pipe crossing the Shasta River, about 300 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of 716 Comment
  JEPS6469  Plantago eriopoda Rimo Bacigalupi and G. T. Robbins 1954-8-13 4802 Siskiyou 1.9 mi s Gazelle; Shasta Valley 853 Comment
  HSC58932  Plantago lanceolata Marvin Butler 1971-8-11 304 Siskiyou Near Cyclone Gap, close to town of Cave Junction 1677 Comment
  JEPS7128  Plantago lanceolata W. L. Jepson 1940-6-22 19970 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  HSC67609  Plantago lanceolata J. P. Smith, Steve Selva 1970-7-16 4392 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC60789  Platanthera dilatata var. leucostachys Al Hobart 1967-7-12 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS74458  Platanthera leucostachys W. J. Ferlatte 1966-6-23 141 Siskiyou between campground and S. Fork of the Salmon R. (Trinity Alps, Big Flat); Trinity Alps, Big Flat 1524 Comment
  SBBG30546  Plectritis congesta subsp. congesta D. Myrick 1968-6-25 2014 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk 1524 Comment
  HSC48723  Pleuricospora fimbriolata J. Pageau, E. Toth 1979-6-5 496 Siskiyou 6.6 mi. N. of the G.O. road on FS 11N24. Line Timber Sale, unit 14. Bulk Collection 174 799 Comment
  CAS-BOT-BC261047  Poa Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  CAS-BOT-BC261049  Poa Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  RSA484227  Poa M. B. Dunkle 1945-1 9325 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA239045  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC30667  Poa bolanderi Frederick W. Oettinger 1969-9-4 1644 Siskiyou Marble Mtn. Wilderness Area, between Lily Pond and Tobacco Lake. 1921 Comment
  CAS-BOT-BC254995  Poa bulbosa Morris Halperin 1930-5-17 303 Siskiyou Yreka 800 Comment
  CHSC22881  Poa bulbosa Robert A. Schlising 1963-6-6 2610 Siskiyou Northern part of County; SW of Hilt, along Beaver Creek Road, near crossing of Beaver Creek. Comment
  JEPS72963  Poa compressa W. L. Jepson 1940-7-3 20104 Siskiyou 5 mi se Bartle (Big Bear Flat) 1219 Comment
  HSC69043  Poa piperi Maralyn A. Renner 1980-8-7 2349 Siskiyou Klamath National Forest, S of Rattlesnake Meadow. 1799 Comment
  RSA715659  Poa pratensis L. Ahart 2005-6-10 12125 Siskiyou On a poor dirt road, about 80 yards north 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. 777 Comment
  CHSC91355  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-10 12125 Siskiyou Near a poor dirt road, about 80 yards north 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
  SEINET10893840  Poa pratensis subsp. pratensis Lawrence P. Janeway 1983-7-26 Janeway 592 Siskiyou Preston Peak quad (15') T18N, R6E, SW 1/4 of sec. 20, Siskiyou Mountains; at Poker Flat, a meadow in a fir forest. Dry front edge of the upper part of the meadow. 1524 Comment
  HSC2386  Poa pringlei William J. Ferlatte 1966-8-4 301 Siskiyou Dorleska summit 2134 Comment
  SEINET10954307  Poa pringlei A. Arthur Heller 1921-7-7 Heller 13566 Siskiyou Gravelly soil on the slope south of Wagon creek, Mt. Eddy, in the Canadian zone. Comment
  CAS-BOT-BC247533  Poa rhizomata Geo. D. Butler 1910-4-21 1206 Siskiyou Kidder Creek Comment
  RSA239033  Poa secunda Frederick W. Oettinger 1969-9-2 1593 Siskiyou north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  CAS-BOT-BC243225  Poa secunda subsp. secunda Alice Eastwood 1923-5-27 11962 a Siskiyou Shasta Springs Comment
  CAS-BOT-BC243228  Poa secunda subsp. secunda Geo. D. Butler 1910-5-6 1294 Siskiyou Near Yreka Comment
  CHSC88405  Poa secunda subsp. secunda 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
  HSC10245  Poa secunda subsp. secunda R. C. Wunner 1965-6-22 247 Siskiyou Lava Beds National Monument, Canby Cross. 1220 Comment
  JEPS45828  Poa secunda subsp. secunda Duncan Dunning 1922-6-5 Siskiyou nw Fort Jones (Moffett Creek) Comment
  UC196956  Poa secunda subsp. secunda Geo. D. Butler 1910-4-19 1200 Siskiyou Yreka Comment
  UC196957  Poa secunda subsp. secunda Geo. D. Butler 1910-4-16 1187 Siskiyou Klamath hills Comment
  JEPS19783  Pogogyne zizyphoroides Rimo Bacigalupi with S. Galen Smith 1957-6-26 5940 Siskiyou about 2 1/2 miles Northwest of Weed, close to U.S. highway 99 1005 Comment
  RSA262351  Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  UCD115149  Polyctenium fremontii Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, southwest of Hebron summit. 1524 Comment
  POM299532  Polygala cornuta var. cornuta Marion Ownbey, Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi. northwest of McCloud. Comment
  CDA2772  Polygonum arenastrum Don Shaw 1978-9-27 Siskiyou Ted Paul property, Yreka. 0 Comment
  UC572802  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1937-8-6 9187 Siskiyou Bear Spring Mt. Shasta 1524 Comment
  UC164038  Polygonum bistortoides Geo. D. Butler 1908-8-4 183 Siskiyou Shackleford Creek; head Comment
  CAS-BOT-BC414394  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou West Fork Cottonwood Creek, Siskiyou Mts. 1005 Comment
  CDA2794  Polygonum cuspidatum Don Shaw 1971-9-23 Siskiyou Alexander property, Slough Road, Edgewood. 0 Comment
  POM280357  Polygonum douglasii George B. Grant 1906-7-25 7101 Siskiyou Lake Tahoe. Comment
  UC1191241  Polygonum douglasii subsp. douglasii Herbert L. Mason 1948-7-17 13602 Siskiyou Eastern Grass Lake Comment
  UC1409206  Polygonum douglasii subsp. douglasii Frederick W. Oettinger 1969-8-14 1378 Siskiyou English Lake Salmon Mountains, Marble Mountain Wilderness Area (campsite, w Siskiyou Co.) 1828 Comment
  JEPS94639  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald and Lowell Ahart 1998-8-3 9405 Siskiyou junction of Gazelle-Callahan Rd. and USFS 41N03 (11.5 mi w of Gazelle) 1524 Comment
  UC1540158  Polygonum douglasii subsp. spergulariiforme Dean Wm. Taylor Glenn L. Clifton, R. Doug Stone 1987-8-6 9241 Siskiyou Porcupine Lake; small vernal depression in indurate lava flow 1304 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
  UC1101160  Polygonum lapathifolium Verne Grant and Irving Schneider 1947-8-25 8278 Siskiyou Tule Lake; w side Comment
  CAS-BOT-BC418586  Polygonum minimum Alice Eastwood 1912-8-30 1980 Siskiyou Mount Eddy Comment
  HSC30505  Polygonum minimum Frederick W. Oettinger 1969-8-14 1371 Siskiyou Marble Mtn. Wilderness Area, English Lake 1829 Comment
  SBBG29123  Polygonum minimum L. C. Wheeler 1934-8-22 3207 Siskiyou Siskiyou Mtns; R9W, T47N, S18 1828 Comment
  SEINET13711311  Polygonum polygaloides subsp. confertiflorum Lowell William Ahart, Lowell William Ahart 1998-1 9335 Siskiyou NE of Weed and E of Grass Lake at Gravel Pit on S Side of Tennant Rd. (T44N, R1W, sec 32, NW 1/4) 4600 Ft. 1402 Comment
  CAS-BOT-BC420067  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-29 10954 a Siskiyou Medicine Lake Comment
  JEPS91059  Polygonum polygaloides subsp. kelloggii Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9862 Siskiyou 4 mi n of Timbered Crater (1 mi se of Adobe Flat, Modoc Plateau); Modoc Plateau 1097 Comment
  CAS-BOT-BC420069  Polygonum polygaloides subsp. kelloggii Wm. Bridge Cooke 1939-7-13 13653 Siskiyou Mount Shasta. Portion of Squaw Valley Creek Meadows Comment
  CAS-BOT-BC109283  Polygonum shastense G. A. Coleman 1900-8-18 s.n. Siskiyou Near the head of Panther Creek. Mount Shasta. Comment
  CAS-BOT-BC383121  Polygonum shastense Andrew Townesmith; Karen M. Meyer 2007-7-30 867 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  UC1505635  Polygonum shastense Robert T. Clausen and Harold Trapido 1940-7-27 4980 Siskiyou 3 mi nne summit of Mt. Shasta (w side of creek); So. Cascade Mts., Sacramento River Basin, west fork of Mount 2438 Comment
  UC726984  Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou spring above Horse Camp Comment
  POM2370  Polygonum spergulariiforme Geo. D. Butler 1910-7-31 1803 Siskiyou Near Yreka Comment
  RSA103321  Polygonum spergulariiforme Geo. D. Butler 1890-6-20 1593 Siskiyou Dry hill, Yreka. Comment
  JEPS107672  Polypogon monspeliensis Lowell Ahart, John Dittes 2005-6-9 12003 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
  UC637174  Polystichum imbricans subsp. imbricans Edward Lee 1934-8-14 1115 Siskiyou Little Grayback 1798 Comment
  CAS-BOT-BC76774  Polystichum imbricans subsp. imbricans A. A. Heller 1905-6-17 8061 Siskiyou Near the source of the Sacramento River west of Sisson. Comment
  CHSC106833  Polystichum lemmonii Barbara Ertter 1990-7-16 9374 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca1-2 mi E of Park Cr Trailhead (=crest of Rt 17) along ridge, rivulet and stringer meadow on steep N-facing rocky slope. 2286 Comment
  UC1299762  Polystichum lemmonii Freed W. Hoffman 1951-7-16 4045 Siskiyou Packers' Valley North Coast Ranges, Marble Mts., Packers' Valley Comment
  CAS-BOT-BC76715  Polystichum lemmonii Mrs L. O. Hodgkins s.n. Siskiyou Mt. Shasta Comment
  POM120351  Polystichum lemmonii Geo D. Butler 1910-7-12 1756 Siskiyou Shackleford Creek 1372 Comment
  CAS-BOT-BC72400  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Dead Cow Creek, Siskiyou Mts. 1889 Comment
  CAS-BOT-BC72404  Polystichum lonchitis J. M. Tucker 1963-8-19 3772 Siskiyou headwaters of Canyon Creek, Marble Mountain Wilderness Area 1950 Comment
  HSC75255  Polystichum lonchitis J. O. Sawyer, M. Mesler 1980-8-13 4049 Siskiyou E of Pacific Crest Trail at Black Marble Mtn. 1921 Comment
  UC1408838  Polystichum lonchitis Frederick W. Oettinger 1968-8-6 421 Siskiyou w slope on se corner of Hancock Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1950 Comment
  UC1483403  Polystichum munitum John Palmer 1980-8-15 982 Siskiyou ne Seiad Low Gap (on spur of F.S. Rd. 46N50); Seiad Valley Quadrangle 1097 Comment
  SBBG27193  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Cyn, Siskiyou Mtns 1828 Comment
  RSA85049  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  HSC19174  Populus trichocarpa J. O. Sawyer 1968-7-23 576 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  UC61052  Potamogeton natans W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC454097  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-8-22 1494 Siskiyou Salmon Mountains, western Siskiyou County. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. In Horse's Hole near Horse Range Lake Comment
  CHSC71497  Potentilla biennis Vernon H. Oswald; Lowell Ahart 1998-7-21 9341 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
  SEINET11916232  Potentilla breweri var. expansa H. P. Chandler 1901-1 1697 Siskiyou Ridges & meadows near Marble Mtn 1524 Comment
  JEPS109787  Potentilla cristae Dean W. Taylor 2002-7-29 18290 Siskiyou cirque as easterly base of summit ridge, South China Mounain 2423 Comment
  UC1560736 Image available Potentilla cristae W. J. Ferlatte 1989-8-5 2120 Siskiyou e Cory Peak (above headwaters of Cabin Meadow Creek); China Mt. SE Quad., e of Cory Peak, Cabin Meadow Creek 2194 Comment
  JEPS80544  Potentilla fruticosa Gilbert Muth 1965-8-12 217 Siskiyou backside of Black Mountain , backside of Black Mountain (Marble Mt. Wilderness Area) 2072 Comment
  HSC90743  Potentilla gracilis var. fastigiata Jennifer Whipple 1976-7-8 1343 Siskiyou SW of Dobkins Lake along drainage into the lake 2317 Comment
  CAS-BOT-BC540553  Potentilla gracilis var. fastigiata Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  CAS-BOT-BC540554  Potentilla gracilis var. fastigiata Geo B. Grant 1902-9-6 5086 Siskiyou Sisson Comment
  RSA120875  Potentilla gracilis var. fastigiata G. D. Barbe 1955-7-7 140 Siskiyou South of Forest Camp, Etna 884 Comment
  RSA105464  Potentilla gracilis var. flabelliformis M. S. Baker 1955-6-26 13085 Siskiyou Shasta Valley, between Weed and Gazella. 915 Comment
  CHSC27758  Potentilla millefolia William Frank 1978-4-1 2 Siskiyou In meadow surrounding inlet of Shasta River into s Lake Shastina, via public fishing access road. 822 Comment
  CAS-BOT-BC158530  Potentilla millefolia A. A. Heller 1921-7-7 13570 Siskiyou Along Wagon Creek on Mt. Eddy 1981 Comment
  SEINET182279  Potentilla millefolia L. C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2mi NW Montague 762 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
  CAS-BOT-BC64623  Primula suffrutescens Lester Rowntree 1937-7-25 s.n. Siskiyou Caribou Lake. Comment
  HSC27972  Prosartes hookeri Carl W. Mize 1972-9-23 111 Siskiyou Along Steinacher Creek Rd. 762 Comment
  JEPS25764  Prunella vulgaris Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7476 Siskiyou 2.5 mi ne Swillup Creek crossing (along side canyon of Calif Hwy 96, Klamath River canyon); Klamath River canyon, ne of Swillup Creek crossing 304 Comment
  UC456106  Prunella vulgaris var. lanceolata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  RSA68931  Prunella vulgaris var. lanceolata A. E. Culbertson 1943-7-12 27 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000 backwall; 14 miles SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  HSC23589  Prunus emarginata J. O. Sawyer 1969-9-12 2006 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  HSC69558  Prunus emarginata Maralyn A. Renner 1980-8-6 2291 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  RSA531258  Prunus emarginata Walter Wisura 1991-9-3 4574 Siskiyou Along road to Castle Lake, W of town of Mt. Shasta. Comment
  UC618731  Prunus emarginata W. Bridge Cooke 1938-6-17 11011 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1371 Comment
  UCD77961  Prunus emarginata Robert E. Preston 2001-6-30 1652 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  SEINET9362850  Prunus emarginata Unknown 2009-5-31 Siskiyou High elevation, semi-arid ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC154677  Prunus subcordata Geo. D. Butler 1910-4-12 1170 Siskiyou Yreka Creek Comment
  CAS-BOT-BC154679  Prunus subcordata Lincoln Constance; Reed C. Rollins 1942-5-14 2922 Siskiyou Road to Walker Post Office, 3 miles west of Yreka 1219 Comment
  CAS-BOT-BC154680  Prunus subcordata Dorothy Parker 1948-5-25 s.n. Siskiyou Plowman's Valley Comment
  POM88104  Prunus virginiana var. demissa Geo. D. Butler 1910-4-30 1248 Siskiyou [Greka or Silka]? Creek Comment
  UC618858  Prunus virginiana var. demissa W. Bridge Cooke 1939-8-5 11443 Siskiyou Mount Shasta, MacBride Springs MacBride Springs; Mount Shasta, MacBride Springs 1524 Comment
  CAS-BOT-BC239808  Pseudoroegneria spicata Louis C. Wheeler 1934-6-29 2831 Siskiyou Klamath National Forest, Soda Creek 1066 Comment
  CAS-BOT-BC239812  Pseudoroegneria spicata Dr. E. B. Copeland 1903-7-4 3540 Siskiyou Klamathon Comment
  SEINET8233950  Pseudoroegneria spicata Unknown 2007-6-17 Siskiyou California Siskiyou County, Cottonwood Peak. 1516 Comment
  JEPS72981  Pseudoroegneria spicata subsp. spicata W. L. Jepson 1940-6-22 19973 Siskiyou Klamath River near Hornbrook; Klamath River 670 Comment
  CAS-BOT-BC94479  Pseudostellaria jamesiana R. C. Wenk 2005-7-19 348 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  CAS-BOT-BC80165  Pseudotsuga menziesii W. B. C. 1938-9-2 11596 Siskiyou Sisson Southern Trail 1524 Comment
  CAS-BOT-BC80168  Pseudotsuga menziesii Louis C. Wheeler 1934-9-4 3243 Siskiyou Bear Creek off West Fork Beaver Creek, Siskiyou Mts. 1371 Comment
  CAS-BOT-BC80173  Pseudotsuga menziesii Doris K. Kildale 1929-4-27 7480 Siskiyou Cecilville Comment
  RSA572073  Pseudotsuga menziesii L. C. Wheeler 1934-9-4 3243 Siskiyou Bear Creek off west fork of Beaver Creek. 1372 Comment
  HSC27953  Pseudotsuga menziesii var. menziesii Carl W. Mize 1972-9-23 115 Siskiyou 0.5 mi from end of Steinacher Creek Rd. 884 Comment
  CHSC57  Pteridium aquilinum var. pubescens V. Holt 1932-7-19 Siskiyou Spring Hill. 1219 Comment
  CAS-BOT-BC460555  Pterospora andromedea Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt., Forest Road 1524 Comment
  RSA578036  Puccinellia distans L. C. Wheeler 1935-6-30 3634 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  SD90132  Purshia tridentata Nancy Ryan Zabriskie, Walter Zabriskie 1971-7-23 411 Siskiyou St. Hwy 89 just east of McCloud, southeast of Mt. Shasta Comment
  UCR13736  Purshia tridentata N. R. Zabriskie, W. W. Zabriskie 1971-7-23 411 Siskiyou Hwy 89 just east of McCloud, southeast of Mt. Shasta Comment
  SEINET9342725  Purshia tridentata Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC147907  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC147909  Purshia tridentata var. tridentata Alice Eastwood; John Thomas Howell 1934-4-20 1759 Siskiyou Near Yreka along Shasta River Comment
  HSC60169  Purshia tridentata var. tridentata J. P. Smith 1976-5-22 8780 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  JEPS18597  Purshia tridentata var. tridentata Geo. D. Butler 1909-5-1 686 Siskiyou Shasta River Comment
  UC1128525  Purshia tridentata var. tridentata R. D. Roseberry 1936-5-15 Siskiyou 0.5 mi e Coldwell Butte; Modoc Lava Beds National Monument, Dorris Quad. 1371 Comment
  UC618727  Purshia tridentata var. tridentata unknown 1938-6-24 11100 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  UC140049  Pycnanthemum californicum Copeland 1903-8-12 3837 Siskiyou Sisson Comment
  HSC73213  Pyrola dentata Gail Newton 1980-6-20 501 Siskiyou Near Bald Mtn. 250 Comment
  CAS-BOT-BC466144  Pyrola picta W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak in Shasta Fir Belt Comment
  RSA0083258  Pyrola picta A. E. Culbertson 1943-8-5 47 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. with 10 air miles of its headwaters to the west. Comment
  UC375247  Quercus chrysolepis Geo. D. Butler 1908-7-19 1075 Siskiyou Humbug Creek Comment
  CDA15399  Quercus garryana var. garryana G. F. Hrusa 1997-9-18 14108 Siskiyou Summit of Pass between Callahan & Gazelle, W of Mountain House. Comment
  UCD46094  Quercus garryana var. garryana J. M Tucker 1948-8-3 1771 Siskiyou Ca. 0.6 mile west of Happay Camp, Siskiyou County, California. 335 Comment
  RSA748771  Quercus kelloggii K. M. Meyer, A. Townesmith 2007-8-4 190 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on Rd. 7J001 out of Yreka, CA (road past the water tower). 1286 Comment
  HSC62285  Quercus sadleriana Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  UC637062  Quercus sadleriana Edward Lee 1934-8-13 1067 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  UCSB3289  Quercus sadleriana Breedlove, Dennis 1962-6-10 Siskiyou Southwest slope of Little Greyback Mountain along Indian Creek Road from O'Brien to Happy Camp, 20.7 miles northwest of Happy Camp; Siskiyou Mountains 1554 Comment
  CAS-BOT-BC104622  Quercus vacciniifolia Doris K. Kildale 1929-8-24 8835 Siskiyou Preston Peak 2225 Comment
  CDA22070  Quercus vacciniifolia T. C. Fuller, Don Shaw 1974-9-24 20040 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  JEPS20043  Quercus vacciniifolia George D. Butler Aug 1908 230 Siskiyou near Cold Spring Camp; Wooley Creek 1676 Comment
  JEPS94789  Quercus vacciniifolia Vernon H. Oswald and Lowell Ahart 1998-8-3 9446 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne of intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  UC637076  Quercus vacciniifolia Edward Lee 1934-8-13 1066 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  UCD14014  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  SEINET12029702  Quercus vacciniifolia Unknown 1983-1 4889 Siskiyou Terrace Lake 1898 Comment
  UCD15034  Ranunculus John M. Tucker 1963-7-8 3733 Siskiyou Marble Mountain Wilderness Area, trail to Marble Valley, ca. 2 mi. south of Paradise Lake; Comment
  UC1733728  Ranunculus alismifolius var. alismifolius Frank Gould, Kay H. Beach 1940-5-15 1225 Siskiyou Bull Meadows Comment
  HSC36880  Ranunculus alismifolius var. hartwegii J. P. Smith 1974-5-26 7533 Siskiyou Chandler Glade on FS 47N03 1768 Comment
  JEPS60720  Ranunculus eschscholtzii Geo. D. Butler 349 Siskiyou summit above Cold Spring; Wooly Creek 1828 Comment
  JEPS74462  Ranunculus eschscholtzii W. J. Ferlatte 1967-7-26 758 Siskiyou Sawtooth Ridge Trinity Alps, Caribou Basin 2042 Comment
  UC165946  Ranunculus eschscholtzii Geo. D. Butler 1908-8-8 355 Siskiyou Marble Valley 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
  RSA238276  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1905 Comment
  HSC598  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1966-6-23 145 Siskiyou Big Flat, near public camp 1524 Comment
  HSC98332  Ranunculus uncinatus G. L. Clifton 1979-7-1 6162 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC618726  Rhamnus californica unknown 1938-8-5 11436 Siskiyou MacBride Springs Road Mount Shasta Comment
  CHSC78530  Rhamnus californica subsp. occidentalis Vernon H. Oswald 2000-8-28 9959 Siskiyou Rock Fence Lake Road (40N18) on the edge of Rock Fence Creek. 1844 Comment
  SEINET13946355 Image available Rhamnus purshiana A. A. Heller 1915-1 12132 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in forest, 3900 ft. 1189 Comment
  CHSC30334  Rhododendron neoglandulosum M. S. Taylor 1980-7-1 3101 Siskiyou On nw side of Castle Lake, along edge of lake in creek crossing. 1615 Comment
  CHSC598  Rhododendron neoglandulosum M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC56661  Rhododendron occidentale Mrs. H. P. Bracelin 1931-6-19 413 Siskiyou North side of Mt. Eddy. Up the side from Metcalf's ranch house 1463 Comment
  CAS-BOT-BC200401  Rhododendron occidentale var. paludosum Alice Eastwood 1912-7-23 1351 Siskiyou Cantara Comment
  RSA119322  Rhododendron occidentale var. paludosum S. S. Tillett 1956-7-11 687 Siskiyou On N side Scott Mtn. divide near campground; Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1616 Comment
  RSA47644  Ribes binominatum Roxana S. Ferris, Laura Lorraine 1948-6-12 11769 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1707 Comment
  CAS-BOT-BC108781  Ribes cereum William Bridge Cooke 1938-6-17 11032 Siskiyou Mount Shasta. Sisson Southern Trail. 1371 Comment
  UC858417  Ribes cereum Frank W. Gould 1940-5-15 1254 Siskiyou on road from Mt. Hebron to Montague; Bald Mountain 1676 Comment
  CAS-BOT-BC27149  Ribes glanduliferum Amos Arthur Heller 1905-6-9 8005 Siskiyou Yreka Comment
  HSC99923  Ribes inerme var. inerme J. O. Sawyer, & R. J. Cole 2010-6-26 4610 Siskiyou Hilt-Hungry Road, Klamath National Forest. 845 Comment
  UC165267  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek Comment
  JEPS84054  Ribes lacustre L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6352 Siskiyou ca. 1/2 mi se Red Butte (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1730 Comment
  UC11567  Ribes lacustre Harley P. Chandler June, 1901 1561 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  UCD78097  Ribes lacustre Robert E. Preston 2001-6-23 1628 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 of ne 1/4 Section 15 1676 Comment
  SEINET12220211  Ribes lacustre H. P. Chandler 1901-1 1561 Siskiyou near Marble Mountain, North Coast Ranges 1829 Comment
  CAS-BOT-BC173393  Ribes lobbii David D. Keck 1938-8-6 4814 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  HSC64665  Ribes lobbii J. O. Sawyer 1977-7-6 3031 Siskiyou S of Little Duck Lake 2134 Comment
  JEPS84055  Ribes lobbii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6297 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  UC165266  Ribes lobbii Geo. D. Butler 1909-5-31 793 Siskiyou Humbug Creek Comment
  JEPS6909  Ribes marshallii W. Brookfield 1953-7-27 253 Siskiyou Marble Mountain Wilderness Area Klamath National Forest 1828 Comment
  UC1222376  Ribes marshallii Joseph P. Tracy 1951-6-16 19501 Siskiyou summit of the Siskiyous at crossing of Takilma-Happy Camp Road Siskiyous Comment
  UCD78096  Ribes montigenum Robert E. Preston 2001-7-21 1713 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2036 Comment
  SEINET13942695 Image available Ribes nevadaense Alice Eastwood 2012-1 1324 Siskiyou Cantara Comment
  CAS-BOT-BC217876  Ribes nevadense Ira L. Wiggins 1950-5-28 12372 Siskiyou On side of ridge above Grouse Creek, about 1.5 miles from Carmen Lake 1584 Comment
  UC796518 Image available Ribes nevadense Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11802 Siskiyou s Callahan (on Scott Mountain Road at Mule Creek crossing) 1493 Comment
  HSC86456  Ribes roezlii D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 2043 Comment
  RSA0024596  Ribes roezlii var. cruentum Louis C. Wheeler 1934-6-28 2815 Siskiyou Little Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  UC165272 Image available Ribes sanguineum Geo. D. Butler 1909-4-26 671 Siskiyou Quartz Valley Comment
  UC375360  Ribes sanguineum Geo. D. Butler 1910-5-1 1265 Siskiyou Humbug Mountain Comment
  SD230240  Ribes sanguineum var. sanguineum Louis C. Wheeler 1959-7-19 7584 Siskiyou Salmon and Marble Mountains Region: Black Bear Creek, between Sawyers Bar & Cecilville 1372 Comment
  CAS-BOT-BC173907  Ribes velutinum Elmer I. Applegate 1927-4-24 5001 Siskiyou Modoc Lava Beds, Battle Ground Comment
  CAS-BOT-BC173909  Ribes velutinum Alice Eastwood; John Thomas Howell 1934-4-20 1758 Siskiyou Near Yreka along Shasta River Comment
  CAS-BOT-BC168802  Ribes viscosissimum W. R. Dudley 1901-8-8 s.n. Siskiyou Jackson Lake, southern Siskiyou County Comment
  UC1222366 Image available Ribes viscosissimum Joseph P. Tracy 1951-6-16 19500 Siskiyou summit of the Siskiyous at crossing of Takilma-Happy Camp Road Siskiyous Comment
  UC166562  Ribes viscosissimum Geo. D. Butler 1908-8-5 260 Siskiyou camp below Cold Spring; West Fork of Woolly Creek 1676 Comment
  CDA25593  Ribes viscosissimum var. hallii J. R. Grisham 1969-8-25 Siskiyou Tom George property, Yreka. 0 Comment
  UC90676  Rigiopappus leptocladus K. Brandegee July 1887 Siskiyou Ager Comment
  CAS-BOT-BC74368  Rorippa columbiae J. William Thompson 1936-7-8 13148 Siskiyou Lava Slopes of Lave Beds National Monument. Comment
  CDA25118  Rorippa curvisiliqua T. C. Fuller 1962-8-3 9512 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  HSC29185  Rorippa curvisiliqua Frederick W. Oettinger 1969-8-18 1416 Siskiyou Marble Mtn. Wilderness Area, W side of Horse Range Lake 1820 Comment
  UCR37539  Rorippa curvisiliqua var. orientalis L. P. Janeway 1983-8-27 620 Siskiyou Along Poker Flat / Twin Valley trail 1677 Comment
  POM88595  Rosa eglanteria Geo. D. Butler 1910-7-31 1802 Siskiyou Near Yreka Comment
  CAS-BOT-BC146750  Rosa gymnocarpa Alice Eastwood 1917-9-2 6678 Siskiyou Shasta Springs Comment
  HSC69497  Rosa gymnocarpa John Palmer 1980-8-12 737 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC2046561  Rosa gymnocarpa William J. Ferlatte 1974-7-13 1512 a Siskiyou south side of South Fork of Salmon River between Big Flat and the falls Comment
  CAS-BOT-BC147077  Rosa pisocarpa Doris K. Kildale 1929-7-20 8715 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  CAS-BOT-BC147079  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC147080  Rosa pisocarpa Alice Eastwood 1921-7-24 s.n. Siskiyou Castle Lake Comment
  POM140216  Rosa pisocarpa E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta region Comment
  RSA2867  Rosa pisocarpa Carl B. Wolf 1931-9-2 2390 Siskiyou Near the fish hatchery at Mt. Shasta City (Sisson). 1067 Comment
  UC1871385  Rosa pisocarpa Barbara Ertter 2006-7-30 18742 Siskiyou S of Juanita Lake in mountains between Shasta and Butte valleys, 2.2 mi N of intersection with Little Shasta Road. 1584 Comment
  RSA11800  Rosa pisocarpa subsp. ahartii Elmer I. Applegate 1898-5-15 21280 Siskiyou Klamath River, between Shovel Creek and Fall Creek 793 Comment
  HSC32289  Rosa rubiginosa J. O. Sawyer 1970-6-15 2200 Siskiyou Slopes N of Sugar Creek 976 Comment
  SBBG50769  Rubus lasiococcus J. M. Tucker, D. V. Hemphill 1974-7-27 4300 Siskiyou camp at Haypress Meadows, Marble Mtn Wilderness Area 1463 Comment
  LA208219  Rubus leucodermis W. B. C.; 1939-7-14 13698 Siskiyou Mount Shasta, along the Sisson Southern Trail 1981 Comment
  CAS-BOT-BC147317  Rubus parviflorus L. E. Smith 1913-5-27 291 Siskiyou Weed Comment
  HSC36723  Rubus parviflorus Brent Whitely 1975-6-28 74 Siskiyou 915 Comment
  CAS-BOT-BC157159  Rubus ursinus Louis C. Wheeler 1934-6-29 2824 Siskiyou Klamath National Forest. Soda Creek 1280 Comment
  HSC19445  Rumex acetosella J. O. Sawyer 1969-7-16 1119 Siskiyou SE facing upper slope S of Siphon Lake 2235 Comment
  CAS-BOT-BC421724  Rumex conglomeratus Alice Eastwood 1912-7-21 1286 Siskiyou Sisson Comment
  JEPS39895  Rumex crispus Geo. D. Butler 1909-6-5 971 Siskiyou Yreka Comment
  CAS-BOT-BC433404  Rumex crispus H. E. Brown 1897-6-1 379 Siskiyou Near Sisson 1082 Comment
  CAS-BOT-BC433709  Rumex occidentalis Geo. D. Butler 1909-6-5 971 Siskiyou Yreka Creek Comment
  CDA23189  Rumex stenophyllus R. Pederson, G. Pederson 1979-10-1 108 Siskiyou Lower Klamath National Wildlife Refuge, beside gate at shop entrance. Comment
  CAS-BOT-BC454115  Ruppia cirrhosa Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39035 Siskiyou Along Hwy 161 at N edge of White Lake, 13.5 mi E of junction of Hwys 97 and 161 1280 Comment
  UC796609  Sagina saginoides Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11745 Siskiyou French Creek Logging Rd. w. of Callahan 1066 Comment
  CAS-BOT-BC103465  Salix eastwoodiae Harley P. Chandler 1901-6-1 1547 Siskiyou Ridges and meadows near Marble Mountain 1828 Comment
  HSC41036  Salix eastwoodiae J. O. Sawyer 1969-8-4 1919 Siskiyou N of High Lake 2043 Comment
  RSA238016  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 355 Siskiyou E outlet of Diamond Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  SBBG50694  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 b Siskiyou near Paradise Lake, Paradise Lake Public Camp, base of Kings Castle on the E side, Marble Mountain Wilderness Area 1981 Comment
  SBBG50695  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 a Siskiyou near Paradise Lake, Paradise Lake Public Camp, base of Kings Castle on the E side, Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC107781  Salix hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flat station, 125 km. north of Red Bluff 450 Comment
  CAS-BOT-BC107786  Salix hindsiana Doris K. Kildale; J. W. Gillespie 1929-6-25 8362 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  RSA0038339  Salix hindsiana H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flag station, 125 km. north of Red Bluff. 450 Comment
  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-BC125466  Salix lasiandra var. lasiandra W. R. Dudley 1899-8-23 s.n. Siskiyou [Callahans] Callahan Comment
  UC482338  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou about 10 km nw Shasta City (beside road, e of Metcalf ranch house, n base of mt.); Mt. Eddy 1080 Comment
  CAS-BOT-BC124533  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7850 Siskiyou Cecilville, upper south fork of Salmon River Comment
  UC846671  Salix lemmonii Alice Eastwood 1921-7-29 10965 Siskiyou Medicine Lake Comment
  SBBG57839  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1425 Comment
  CAS-BOT-BC125696  Salix melanopsis Alice Eastwood 1921-7-25 10829 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC125691  Salix melanopsis W. R. Dudley 1901-8-25 s.n. Siskiyou By road, South Fork Scotts Comment
  CAS-BOT-BC126161  Salix scouleriana L. E. Smith 1915-6-1 s.n. Siskiyou Sisson 1524 Comment
  CAS-BOT-BC126166  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City; east of Metcalf ranch house 1080 Comment
  CAS-BOT-BC129034  Salix scouleriana Geo. B. Grant 1902-9-1 5168 Siskiyou Sisson 1219 Comment
  HSC28679  Salix scouleriana Frederick W. Oettinger 1969-8-1 1135 Siskiyou Marble Mtn. Wilderness Area, English Lake Basin 1707 Comment
  HSC99834  Salix scouleriana G. L. Clifton 1979-7-1 6189 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  POM219899  Salix scouleriana H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mt Eddy. About 10 km NW of Shasta City. E of Metcalf ranch house. 1080 Comment
  RSA238266  Salix scouleriana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1308 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1738 Comment
  RSA238271  Salix scouleriana Frederick W. Oettinger 1968-8-2 363 Siskiyou Outlet of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 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
  JEPS96773  Salvia virgata Dean W. Taylor 1999-8-12 17425 Siskiyou Ager Beswick Road, 0.3 miles South of the crossing of Bogus Creek 822 Comment
  SEINET9287629  Sambucus canadensis var. canadensis Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  RSA238832  Sambucus microbotrys Frederick W. Oettinger 1968-8-6 423 Siskiyou Along lake trail on the southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC238884  Sambucus nigra subsp. caerulea Wm. Bridge Cooke 1939-6-30 13566 Siskiyou Mount Shasta. Grows near the outlet of MacBride Springs Comment
  HSC69296  Sambucus nigra subsp. caerulea Maralyn A. Renner 1980-7-24 1997 Siskiyou Lily Pad Lake 1768 Comment
  HSC19413  Sambucus racemosa var. melanocarpa J. O. Sawyer 1968-7-23 592 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  JEPS93899  Sanguisorba annua Vernon H. Oswald and Lowell Ahart 1998-7-21 9344 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on s side of Tennant Road, on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  UC1034053  Sanicula graveolens W. Bridge Cooke 1941-7-18 16083 Siskiyou below Wagon Camp (near the Bear Springs-Wagon Camp Road, Mount Shasta); Mount Shasta 1706 Comment
  UC1400371  Sanicula graveolens Frederick W. Oettinger 1969-7-9 941 Siskiyou just nw of Upper English Lake (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1783 Comment
  SBBG21922  Saponaria officinalis D. Myrick 1964-7-25 974 Siskiyou near Shasta Royal Inn, Dunsmuir 762 Comment
  HSC24696  Sarcodes sanguinea J. O. Sawyer 1969-6-12 884 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  RSA445294  Satureja douglasii M. B. Dunkle 1944-7-15 9103 Siskiyou Siskiyou National Forest. Comment
  JEPS13174  Saussurea americana Louis C. Wheeler 1934-8-14 3146 Siskiyou s side White Mt.; Siskiyou Mts., White Mt. 1737 Comment
  RSA238316  Saxifraga ferruginea Frederick W. Oettinger 1967-7-20 174 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC530059  Saxifraga ferruginea Louis C. Wheeler 1934-8-15 3147 Siskiyou Johnson Dairy; Siskiyou Mountains, Johnson Dairy 1706 Comment
  RSA237684  Saxifraga nidifica Frederick W. Oettinger 1969-7-9 940 Siskiyou NW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  RSA256599  Saxifraga nidifica J. P. Smith 1974-5-25 7475 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  RSA120760  Saxifraga nidifica var. nidifica S. S. Tillett 1956-7-9 646 Siskiyou Scott Mtn, Siskiyou-Trinity County line, 8 miles SE of Callahan. 1921 Comment
  JEPS47637  Saxifraga oregana Harley P. Chandler June, 1901 1548 Siskiyou Klamath River to Marble Mountain; North Coast Ranges, Klamath River 1828 Comment
  SEINET10628252 Image available Saxifragopsis fragarioides Cyrus G. Pringle 1882-9-5 Pringle 14509 Siskiyou Cliffs overhanging Castle Lake. Comment
  JEPS117472  Scirpus americanus Lowell Ahart, John Dittes 2010-7-30 16968 Siskiyou About 10 yards south of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CAS-BOT-BC35599  Scirpus congdonii Louis C. Wheeler 1934-8-14 3126 Siskiyou North side of White Mtn. 1767 Comment
  HSC101499  Scirpus congdonii Thomas W. Nelson, Jane P. Nelson 1985-6-19 7836 Siskiyou Edge of Carmen Lake 1585 Comment
  RSA167320  Scirpus congdonii Joseph P. Tracy 1950-7-19 19203 Siskiyou Flint Valley, about 5 miles southeast of Elk Valley 1433 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
  HSC69090  Scirpus microcarpus Maralyn A. Renner 1980-8-4 2211 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC111097  Scirpus microcarpus W. B. Cooke; V. G. Cooke 1977-9-22 54824 Siskiyou Streamside in fir forest above Deter Camp, Mt. Shasta. 1676 Comment
  CAS-BOT-BC111099  Scirpus microcarpus David Daniels Keck 1946-7-14 5692 Siskiyou West Branch of Indian Creek, Takilma-Happy Camp road. 914 Comment
  CAS-BOT-BC111102  Scirpus microcarpus Elmer Ivan Applegate 1895-5-28 764 Siskiyou Wet meadow in Sisson, Strawberry Valley Comment
  RSA14332  Scirpus microcarpus Elmer I. Applegate 1895-5-28 764 Siskiyou Sisson, Strawberry Valley. Comment
  RSA210796  Scirpus nevadensis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39044 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  HSC100034  Sclerochloa dura J. P. Smith, & J. O. Sawyer 2010-5-6 12819 Siskiyou Camp Creek Campground. 727 Comment
  CHSC71587  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1998-8-3 9417 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along a roadside drainage. 1554 Comment
  JEPS24006  Scutellaria antirrhinoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6867 Siskiyou about 3 mi below (n of) Scott Mountain (road summit, on road to Callahan) 1219 Comment
  UCD125688  Scutellaria siphocampyloides Robert E. Preston 1995-6-22 897 Siskiyou Irongate Reservoir, on open slopes W of Mirror Cove. 731 Comment
  CAS-BOT-BC59187  Sedum lanceolatum John Thomas Howell 1939-8-4 15050 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  CAS-BOT-BC63877  Sedum laxum subsp. heckneri Alice Eastwood; Thomas Howell 1937-6-26 5056 Siskiyou 4 miles east of Forks of Salmon, Comment
  CHSC118095  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25640 Siskiyou West side of FS Road 1040, 2.9 road miles above ju ... Field redacted by CHSC, contact the data manager for more information 675 Comment
  HSC27599  Sedum laxum subsp. heckneri Carl W. Mize 1972-6-10 55 Siskiyou S slope 366 Comment
  HSC49945  Sedum laxum subsp. heckneri G. L. Clifton 1979-8-7 12751 Siskiyou Near Canyon Creek, close to the town of Seiad Valley 1342 Comment
  UC115408  Sedum obtusatum subsp. boreale Dr. E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy 2133 Comment
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Aug 17 2011
  UC772714  Sedum obtusatum subsp. boreale Robert T. Clausen, W. B. Cooke, and Harold Trapido 1940-7-26 4952 Siskiyou e side Mud Creek Canyon; Mt. Shasta, Sacramento River Basin 1706 Comment
  HSC74907  Sedum obtusatum subsp. retusum J. P. Smith 1978-7-1 9959 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  CAS-BOT-BC61466  Sedum oregonense Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  JEPS81635  Sedum rosea subsp. integrifolium Roger Raiche 1982-7-7 20576 Siskiyou Alex Hole Siskiyou Mts., Alex Hole (at center of hole near campground, Siskiyou Mts.) 1950 Comment
  UC144331  Sedum spathulifolium A. A. Heller 1905-6-1 7932 Siskiyou between Dunsmuir and Upper Soda Spring; between Dunsmuir and Upper Soda Spring Comment
  CDA25381  Sedum spathulifolium D. Osterhandt, Don Shaw 1978-3-31 Siskiyou Between Forks of Salmon and Somes Bar. 0 Comment
  JEPS48039  Sedum stenopetalum W. L. Jepson 1907-7-5 2838 Siskiyou Marble Mt. Marble Mt. (crater) Comment
  HSC69297  Sedum stenopetalum Maralyn A. Renner 1980-7-23 1816 Siskiyou Klamath National Forest, ridge 1/2 mi. E of Cook and Green Pass 1555 Comment
  RSA237787  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-9-3 680 Siskiyou West of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area; 1905 Comment
  UCR143035  Selaginella densa var. scopulorum L. C. Wheeler 1934-8-3 3036 Siskiyou Klamath Ranges; Siskiyou Mountains, Big Rock, Dog Fork, Middlehell Creek 2091 Comment
  CAS-BOT-BC496370  Selaginella scopulorum Louis C. Wheeler 1934-8-3 3036 Siskiyou Big Rock, Dog Fork, Middlehell Creek, Siskiyou Mountains 2090 Comment
  RSA576449  Selaginella wallacei Louis Cutter Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns. (Mt Diablo Mer) 1524 Comment
  RSA641068  Selaginella wallacei Louis Cutter Wheeler 1963-9-11 8388 Siskiyou Siskiyou Mountains: Elk Hole, Dillon Creek. . Comment
  HSC91208  Senecio fremontii Jennifer Whipple 1976-9-2 1762 Siskiyou S-face of Mt. Eddy draining into the N Fork of the Sacramento River 2561 Comment
  UCR93348  Senecio integerrimus Kathy Harper, D. Karr 1994-6-16 s.n. Siskiyou Sierra Nevada Mtns, 31 mi. NE of Bartle, meadow at junction of Medicine Lake Rd & road to Schonchin Springs, at Headquarters Camp 1982 Comment
  CAS-BOT-BC363941  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-1 1263 Siskiyou Humbug Mountain Comment
  CHSC96023  Senecio integerrimus var. exaltatus L. P. Janeway 2006-7-4 8797 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC90545  Senecio integerrimus var. exaltatus Jennifer Whipple 1976-7-2 1265 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  RSA0125032  Senecio integerrimus var. exaltatus 1934-7-5 s.n. Siskiyou 3 6/10 mi from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1981 Comment
  HSC22202  Senecio integerrimus var. major J. O. Sawyer 1968-7-9 417 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC508  Senecio integerrimus var. major William J. Ferlatte 1967-6-27 539 Siskiyou Big Flat, near public camp 1524 Comment
  HSC617  Senecio integerrimus var. major William J. Ferlatte 1966-7-7 197 Siskiyou Caribou Basin 1982 Comment
  HSC81662  Senecio integerrimus var. major Thomas W. Nelson, Jane P. Nelson 1980-7-17 6082 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  JEPS74472  Senecio integerrimus var. major W. J. Ferlatte 1966-6-23 147 Siskiyou Big Flat Trinity Alps 1524 Comment
  SEINET11803191  Senecio integerrimus var. major H. P. Chandler 1901-1 1606 Siskiyou near Marble Mountain, North Coast Ranges 1981 Comment
  HSC61999  Senecio triangularis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  JEPS82730  Senecio triangularis Wayne Roderick 1983-7-10 Siskiyou near Del Norte County line; Doe Flat 1143 Comment
  JEPS25663  Senecio triangularis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7306 Siskiyou 4 air mi nne Preston Peak (just e of Del Norte County line, watershed of Indian Creek, meadow at Twin Valley); Siskiyou Mts., Twin Valley, Indian Creek 1493 Comment
  RSA183732  Senecio triangularis Gilbert Muth 1965-8-2 142 Siskiyou Meadow at Marble Valley. Marble Mountains. Comment
  RSA237491  Senecio triangularis Frederick W. Oettinger 1968-8-24 628 Siskiyou Stream side below meadow between Flume and Tom's Lake stream. The Salmon Mountains, High Lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  OBI53780  Sericocarpus oregonensis subsp. oregonensis David J. Keil 1992-7-19 23463 Siskiyou Klamath NF. 6.5 mi NW of Sawyers Bar on Sawyers Bar Rd Comment
  HSC19470  Sibbaldia procumbens J. O. Sawyer 1969-7-10 1128 Siskiyou SW facing slope W of Russian Lake 2210 Comment
  HSC73342  Sidalcea malviflora Gail Newton 1980-6-20 453 Siskiyou Near Bald Mtn. 1097 Comment
  UC1013143  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19641 Siskiyou on road to Waldo 4 mi n Happy Camp; n of Happy Camp on rd to Waldo Comment
  UC108920  Sidalcea malviflora subsp. asprella Mrs. K. Brandegee Jul 1889 Siskiyou Sisson's Comment
  POM84653  Sidalcea malviflora subsp. asprella Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  CAS-BOT-BC205786  Sidalcea oregana Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  RSA0048462  Sidalcea oregana Geo. E. Julian 1962-7-20 s.n. Siskiyou Mt. Shasta. Comment
  JEPS67261  Sidalcea oregana subsp. spicata Geo. D. Butler 1909-6-22 905 Siskiyou Goosenest Mt. Comment
  UC871509  Sidalcea oregana subsp. spicata Alice Eastwood 1912-7-18 1216 Siskiyou Sisson Comment
  UC668092  Silene campanulata Joseph P. Tracy 1935-8-1 14421 Siskiyou 1 mi e Salmon Summit Mine (head of Knownothing Creek); , e of Salmon Summit Mine 1767 Comment
  CHSC75697  Silene campanulata subsp. glandulosa Vernon H. Oswald; Lowell Ahart 1999-7-5 9822 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  UC166129  Silene campanulata subsp. glandulosa Geo. D. Butler 1908-8-3 59 Siskiyou canyon near Log Lake (Shackleford Creek); , near Log Lake Comment
  HSC99733  Silene campanulata subsp. greenei G. L. Clifton, Grisswold 1979-6-28 6111 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CAS-BOT-BC387060  Silene douglasii W. B. Cooke 1956-7-16 30305 Siskiyou Along old logging road above Hotlum Station, north side of Mount Shasta 1524 Comment
  HSC74921  Silene grayi J. P. Smith, Jennifer Whipple 1978-7-2 9964 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  UC852865  Silene grayi Alice Eastwood 1912-9-1 2066 Siskiyou Mount Shasta Comment
  RSA237804  Silene grayi Frederick W. Oettinger, R. F. Thorne 1969-8-6 1225 Siskiyou East side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA477904  Silene hookeri Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  RSA215598  Silene lemmonii Gilbert Muth 1969-8-8 1297 Siskiyou Gap Meadow, Boulder Peak Ridge 2287 Comment
  CAS-BOT-BC75156  Sisymbrium altissimum Doris K. Kildale 1928-7-25 5901 Siskiyou Klamath River at Mack's Creek near Hamburg. 457 Comment
  UC1096832  Sisymbrium altissimum Milo S. Baker 1957-6-15 13110 Siskiyou just s of Weed; North Coast Ranges Comment
  JEPS25624  Smilacina racemosa Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7258 Siskiyou Poker Flat 1536 Comment
  JEPS80495  Smilacina stellata Gilbert Muth 1966-7-8 365 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  UC144301  Smilax californica A. A. Heller 1905-6-5 7973 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UC164044  Smilax jamesii Geo. D. Butler 1908-8-5 146 Siskiyou ravine below Cold Spring; Woolly Creek Comment
  CHSC1941  Solanum parishii M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  UCD126987  Solanum physalifolium var. nitidibaccatum R. C. Bacigalupi; S. Galen Smith 1957-6-27 5967 Siskiyou about 1.5 miles west of Weed, along U.S. Highway 99. 1074 Comment
  RSA427345  Solanum umbelliferum Christopher Davidson 1975-6-5 2653 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  POM259775  Solidago canadensis subsp. elongata W. Bridge Cooke 1938-8-19 11510 Siskiyou Near the overflow creek from the Mount Shasta City Reservoir. 1220 Comment
  HSC67438  Solidago elongata J. P. Smith, J. O. Sawyer 1971-9-17 4781 Siskiyou Little Duck Lake Comment
  HSC72358  Solidago elongata J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8980 Siskiyou 1/5 mi. W of S.R. 3 on Road 8 671 Comment
  HSC90601  Sorbus californica Jennifer Whipple 1976-7-9 1390 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  RSA78999  Sorbus californica E. K. Balls, Percy C. Everett 1952-10-13 18187 Siskiyou E shore of Castle Lake. 1585 Comment
  RSA237842  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1969-8-25 1556 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  HSC18957  Sparganium angustifolium J. O. Sawyer 1969-8-1 1601 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC96873  Sparganium angustifolium Gordon Leppig 1997-8-23 672 Siskiyou Russian Wilderness; cirque W of Little Duck Lake 2200 Comment
  UC165253  Sphenosciadium capitellatum Geo. D. Butler 1909-8-10 460 Siskiyou Shackleford Creek Comment
  HSC61147  Sphenosciadium capitellatum Al Hobart 1967-10-26 Siskiyou El Capitan Comment
  RSA30424  Spiraea densiflora var. splendens A. A. Heller 1916-7-22 12484 Siskiyou E side of Mt Eddy. 1677 Comment
  CAS-BOT-BC149676  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou Klamath National Forest, 2 mi. SE White Mt. 1737 Comment
  SBBG25910  Spiraea douglasii D. Myrick 1966-8-8 1485 Siskiyou Big Flat Cmpgrd, Mtn Meadow Ranch, Big Flat 1828 Comment
  SJSU10509  Spiraea douglasii C. L. Kline 1965-7-14 206 Siskiyou 10 mi E of McCloud on Hwy 89 1280 Comment
  HSC68439  Spiraea splendens var. splendens Maralyn A. Renner 1980-7-4 1390 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC18956  Spiranthes romanzoffiana J. O. Sawyer 1969-8-4 1866 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  RSA237644  Spiranthes romanzoffiana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1303 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  RSA237645  Spiranthes romanzoffiana Frederick W. Oettinger 1968-8-12 497 Siskiyou Tobacco Lake trail. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  UC456146  Stachys ajugoides var. rigida I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  RSA211086  Stachys rigida subsp. rigida W. J. Ferlatte 1966-8-2 242 Siskiyou Trinity Alps. Big Flat. Wooded area near public camp. 1524 Comment
  CAS-BOT-BC181422  Stellaria calycantha John Thomas Howell 1939-8-3 14966 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS51153  Stellaria calycantha Milo S. Baker 1898-8-1 487 Siskiyou 1 mi s Medicine Lake Comment
  HSC77793  Stellaria crispa L. P. Janeway 1983-9-11 654 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC391218  Stellaria longipes subsp. longipes L. E. Smith 1913-6-25 392 Siskiyou Sisson Comment
  CAS-BOT-BC181463  Stellaria obtusa Doris K. Kildale 1928-8-18 6467 Siskiyou Near head of north fork of Salmon River at Farley's Upper Camp Comment
  JEPS36850  Stephanomeria lactucina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mt. Shasta, half-way up Region of the Upper Sacramento Comment
  POM315997  Stephanomeria paniculata Patricia Wilder 1965-9-29 4198 Siskiyou Lava Beds National Monument on path up to top of Schonchin Butte. Tule Lake drainage area. 1524 Comment
  HSC38713  Stipa lemmonii J. D. Ackerman 1975-7-18 575 Siskiyou S fork of Sacramento River, off USFS Rd. 40N30, between Mt. Eddy and Boulder Pk., SW of Mt. Shasta City Comment
  HSC92576  Stipa lemmonii Jennifer Whipple 1977-7-21 2012 Siskiyou Near Durney Lake, N shore 2073 Comment
  SEINET10610738  Stipa occidentalis A. Arthur Heller 1916-6-22 Heller 11427 Siskiyou Open places in the yellow pine belt in coarse sandy soil near Black Butte north of Sisson, elevation about 3700 feet. 1097 Comment
  HSC19123  Stipa occidentalis var. californica J. P. Smith 1969-8-2 1719 Siskiyou E facing slopes SW of Little Duck Lake. 2241 Comment
  CAS-BOT-BC87082  Streptanthus glandulosus subsp. glandulosus Milo S. Baker 1927-4-12 2071 a Siskiyou Southeast slope Herds Peak. 396 Comment
  LA51446  Streptanthus tortuosus C. L. Hitchcock; J. P. Martin 1939-7-7 5281 Siskiyou on side of Sanger Peak 1645 Comment
  POM143368  Streptanthus tortuosus George B. Grant 1902-9-7 5721 Siskiyou Mt. Shasta 2439 Comment
  UC455749  Streptanthus tortuosus I. J. Condit 1911-7-31 Siskiyou along S.P.R.R. Shasta Springs Comment
  JEPS54030  Streptanthus tortuosus var. orbiculatus Willis L. Jepson 1894-8-4 13405 Siskiyou Mt. Shasta Region of the Upper Sacramento Comment
  HSC18963  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-25 1533 Siskiyou SE facing upper slope W of Sugar Lake 1997 Comment
  HSC60660  Streptanthus tortuosus var. tortuosus J. P. Smith, Steve Selva 1970-6-15 3928 Siskiyou 5 mi. NW of Forks of Salmon 335 Comment
  HSC35793  Streptopus amplexifolius J. O. Sawyer 1969-7-18 1420 Siskiyou Head of S Russian Creek 1829 Comment
  HSC69576  Streptopus amplexifolius Maralyn A. Renner 1980-8-6 2258 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC516440  Streptopus amplexifolius J. M. Tucker 1963-8-19 3771 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area Comment
  HSC30443  Streptopus amplexifolius Frederick W. Oettinger 1968-8-10 462 Siskiyou Marble Mtn. Wilderness Area, inlet to Hancock Lake 1936 Comment
  UC1190180  Suksdorfia ranunculifolia Ira L. Wiggins 1955-7-27 13546 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC62451  Swertia albicaulis var. nitida Ruby Van Deventer 27 Jul [year missing] Siskiyou Twin Valley Comment
  CAS-BOT-BC269620  Symphoricarpos albus var. laevigatus Carl B. Wolf 1930-10-22 1753 Siskiyou 1 mile west of Mt. Shasta City 762 Comment
  JEPS95607  Symphoricarpos albus var. laevigatus Vernon H. Oswald and L. Ahart 1994-8-10 6460 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. 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
  CAS-BOT-BC234792  Symphoricarpos mollis Wm. Bridge Cooke 1941-9-5 16272 Siskiyou Around the MacBride Springs area, Mt. Shasta Comment
  SEINET8061691  Symphoricarpos mollis G. D. Butler 1910-8-7 1818 Siskiyou Humbug Mountain. 1219 Comment
  UC164059  Symphoricarpos mollis var. acutus Geo. D. Butler 1909-6-22 947 Siskiyou Goosenest foothills 1524 Comment
  UC28686  Symphoricarpos mollis var. acutus C. B. Bradley 1879-1 Siskiyou Comment
  SBBG7655  Symphyotrichum ascendens H. and M. Dearing 1948-9-12 7631 Siskiyou Panther Crk, Mt Shasta 2316 Comment
  CAS-BOT-BC97880  Symphyotrichum eatonii Elmer I. Applegate 1923-8-21 3923 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CAS-BOT-BC97884  Symphyotrichum eatonii Louis C. Wheeler 1934-9-19 3284 Siskiyou Klamath National Forest, Walker 518 Comment
  HSC59892  Symphyotrichum frondosum R. & G. Pederson 1979-9-28 86 Siskiyou Lower Klamath National Wildlife Refuge. Unit 12 Comment
  CAS-BOT-BC98432  Symphyotrichum spathulatum Gilbert J. Muth 1969-8-6 1230 Siskiyou Boulder Peak Ridge 2468 Comment
  HSC75352  Symphyotrichum spathulatum var. spathulatum J. O. Sawyer, M. Mesler 1980-8-10 4036 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  CDA7683  Taraxacum officinale G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2640 Siskiyou Between highway and East Fork Scott River, 150 meters east of Highway 3 bridge, 3.2 km east of Callahan. Comment
  HSC44883  Taxus brevifolia Maralyn O'Meara 1974-5-25 393 Siskiyou Along road to Duck Lakes trail 1402 Comment
  UC902021  Taxus brevifolia Joseph P. Tracy 1949-9-14 18553 Siskiyou 6 mi ne Cecilville; Shadow Creek 914 Comment
  CAS-BOT-BC447416  Tellima grandiflora Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  RSA238311  Tellima grandiflora Frederick W. Oettinger 1968-9-1 639 Siskiyou Southeast of Abbott s Lake. The Salmon Mountains. The High Lake Bains in the vicinity of English Peak. Marble Mountain Wildernes Area. 1860 Comment
  UC164411  Tetrapteron graciliflorum Geo. D. Butler 1909-4-14 648 Siskiyou hills near Yreka (near Wetzels field on rd to Humbug) Comment
  CAS-BOT-BC392305  Thalictrum fendleri D. M. Traugh 1933-8-7 15 Siskiyou Klamath National Forest. Marble Valley 1828 Comment
  HSC78074  Thelypodium brachycarpum R. & G. Pederson 1979-9-18 Siskiyou Tulelake, Lower Klamath National Wildlife Refuge, islands 1238 Comment
  HSC24813  Thelypteris nevadensis J. O. Sawyer 1969-7-23 1441 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  SEINET12156919  Thermopsis macrophylla J. P. Tracy 1950-1 19213 Siskiyou 5 mi SE of Flint Valley along the road to Prospect Hill Comment
  JEPS45935  Thlaspi montanum var. montanum Rimo Bacigalupi and L. R. Heckard 1966-6-15 9179 Siskiyou just n Cedar Lake (in The Eddys, upper drainage of the South Fork of the Sacramento River); upper drainage of South Fork Sacramento River, n of Cedar La 1731 Comment
  CAS-BOT-BC66793  Thysanocarpus curvipes Geo. D. Butler 1910-4-25 1241 1/2 Siskiyou Fields - Oro Fino. Comment
  HSC41079  Thysanocarpus curvipes J. O. Sawyer 1970-3-4 2068 Siskiyou N of Idlewild Campground. 762 Comment
  SEINET12476655  Thysanocarpus curvipes G. D. Butler 1910-4-25 1241 1/2 Siskiyou Oro Fino. Comment
  HSC101486  Tiarella trifoliata var. unifoliata J. P. Smith, J. O. Sawyer 2011-7-21 13035 Siskiyou Near Dillon Camp 1358 Comment
  RSA211324  Tofieldia glutinosa subsp. occidentalis William J. Ferlatte 1966-8-16 369 Siskiyou Trinity Alps: Big Flat, between campground and south forth of the Salmon River 1524 Comment
  UC1951319  Tofieldia occidentalis subsp. occidentalis Robert F. Thorne and Fred Oettinger 1969-8-4 63387 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
  UCD93215  Torreyochloa pallida var. pauciflora A. H. Murphy 1955-5-29 55 U Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  JEPS81832  Tragopogon dubius Rimo Bacigalupi 1959-7-2 7212 Siskiyou Weed; e outskirts 1066 Comment
  POM56352  Tragopogon porrifolius Copeland 1903-8-4 3886 Siskiyou Sisson. Comment
  UCD96051  Trautvetteria caroliniensis John M. Tucker; D. V. Hemphill 1974-7-27 4298 Siskiyou Near Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC76739  Triantha occidentalis subsp. occidentalis K. T. Stillman 1976-7-15 244 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC968606  Trifolium eriocephalum var. eriocephalum C. L. Hitchcock and J. S. Martin 1939-7-7 5276 Siskiyou ca 13 mi s Takilma (Oregon); Sanger Peak Trail Comment
  HSC77108  Trifolium howellii K. T. Stillman 1976-7-31 355 Siskiyou Marble Mountain Wilderness Area, Ridge N of Jump off, 1/2 mi. S of Paradise Lake Comment
  JEPS84259  Trifolium howellii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6350 Siskiyou ca 1/2 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  HSC30415  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou Wiregrass Meadow near English Lake 1707 Comment
  JEPS82520  Trifolium longipes Gilbert Muth 1966-8-3 500 Siskiyou Marble Valley horse pasture Marble Mtn Wilderness Area 1792 Comment
  UCD111282  Trifolium longipes L. Whitney 1934-6-10 s.n. Siskiyou location unknown. 1463 Comment
  UC866839  Trifolium longipes var. shastense A. A. Heller 1915-10-26 12222 Siskiyou near source of Wagon Creek; Mt. Eddy 2590 Comment
  UC164161  Trifolium macrocephalum Geo. D. Butler 1909-4-14 639 Siskiyou Dry hill Yreka Comment
  UC163859  Trifolium microcephalum Geo. D. Butler 1909-6-20 920 Siskiyou near Yreka Comment
  HSC15160  Trifolium pratense Mrs. H. P. Bracelin 1931-6-20 431 Siskiyou Metcalf Ranch, N side of Mt. Eddy 915 Comment
  RSA145170  Trifolium productum Dorothy Parker 1959-7-5 734 Siskiyou Salmon Mountain 1677 Comment
  HSC44484  Trifolium willdenovii K. Irwin 1977-5-22 391 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  SEINET3151091  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  CAS-BOT-BC519595  Trillium W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  JEPS80494  Trillium chloropetalum Gilbert Muth 1966-7-8 376 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
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Aug 20 2009
  UCD139915  Trillium ovatum J. M. Tucker; L. K. Mann, Sandra Holloway 1963-7-7 3718 Siskiyou Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  UC1409310  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-15 1035 Siskiyou w. bank of Abbott Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1676 Comment
  UC429260  Trillium ovatum subsp. oettingeri Annie M. Alexander and L. Kellogg 1911-6-17 156 Siskiyou Jackson Lake 1798 Comment
  CAS-BOT-BC200094  Trisetum canescens John Thomas Howell 1939-8-2 14922 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  POM207179  Trisetum canescens E. B. Copeland 1903-9-7 3794 Siskiyou Mt. Eddy. 2744 Comment
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Jan 23 2011
  CAS-BOT-BC200264  Trisetum spicatum Wm. Bridge Cooke 1938-8-18 11485 Siskiyou Horse Camp Springs. Around the southwest side of Shasta Comment
  CAS-BOT-BC200272  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou On the east side of Mt. Eddy 2438 Comment
  HSC18978  Trisetum spicatum J. O. Sawyer 1969-7-25 1542 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  HSC26705  Trisetum spicatum William J. Ferlatte 1971-9-18 1384 Siskiyou Caribou Basin. 2226 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
  UCD94373  Trisetum spicatum R. Tofsrud 1948-8-1 s.n. Siskiyou Panther Meadow, Mt. Shasta. 2438 Comment
  UCSB23731  Triteleia crocea Keefe, Joseph 1967-7-11 Siskiyou Brushy flats along road cuts, 0.3 mile north of Castle Lake, 10 miles southwest of town of Mt. Shasta 1706 Comment
  HSC91995  Triteleia hyacinthina Jennifer Whipple 1976-7-13 1454 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  CAS-BOT-BC522339  Triteleia hyacinthina Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  RSA309015  Triteleia hyacinthina J. G. Lemmon 1889-6-28 s.n. Siskiyou Near Edgwood [Edgewood] Comment
  UC1037204  Triteleia ixioides subsp. anilina Leo Whitney 1934-6-28 1564 Siskiyou on the Stevens Pass Road 8 mi s Tennant 1524 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
  RSA761844  Tsuga mertensiana Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63374 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC19245  Vaccinium cespitosum J. O. Sawyer, Steve Selva 1969-8-1 1653 Siskiyou Along trail to Little Duck Lake 1951 Comment
  HSC19515  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1679 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC31964  Vaccinium cespitosum Steve Selva, Roger Jensen 1974-8-16 14 Siskiyou N shore of Sugar Lake. Comment
  RSA760540  Vaccinium cespitosum R. F. Thorne, Frederick W. Oettinger 1969-8-4 63363 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  HSC19371  Vaccinium membranaceum J. O. Sawyer 1968-6-18 174 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC29339  Vaccinium membranaceum Frederick W. Oettinger 1969-7-14 1013 Siskiyou Marble Mountain Wilderness Area, Charmaine Lake 1921 Comment
  RSA8228  Vaccinium parvifolium Elmer I. Applegate 1930-8-11 6602 Siskiyou Cook and Green Creek, Siskiyou Mountains, Applegate River watershed. Comment
  HSC29265  Vancouveria hexandra Frederick W. Oettinger, R. F. Thorne 1969-8-6 1232 Siskiyou Marble Mtn. Wilderness Area, NW of Pine Lake 1860 Comment
  HSC30490  Vancouveria hexandra Frederick W. Oettinger 1969-8-25 1552 Siskiyou Salmon Mts., Little N Fork Stream crossing along trail from the end of logging road to the Devil's Canyon trail 1220 Comment
  HSC65842  Veratrum insolitum Gail Newton 1980-6-20 454 Siskiyou Near Bald Mtn. 1097 Comment
  RSA237882  Veratrum viride Frederick W. Oettinger 1969-9-4 1647 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC527063  Veratrum viride var. eschscholzianum John Thomas Howell 1939-8-3 15018 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SEINET3161787  Verbena lasiostachys var. lasiostachys G. D. Butler 1910-7-2 1621 Siskiyou Yreka Comment
  HSC96828  Verbena lasiostachys var. lasiostachys S. Lyon 2006-6-29 7 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment