Search Results — 2000 specimen records retrieved (1365 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77929  Abies G. A. Coleman 1901-7-31 35 Siskiyou west of forks of Salmon River Comment
  UC1267077  Abies Alan Bell July 1962 Siskiyou Tangle Blue Creek Trinity-Salmon Primitive Area, Scott Mountains, Mosquito Lak (headwaters, tributary of Trinity River) 1981 Comment
  CAS-BOT-BC78122  Abies X shastensis W. R. Dudley 1899-8-1 s.n. Siskiyou top of Black Butte, w. of Mt. Shasta Comment
  CAS-BOT-BC78127  Abies X shastensis Alan Bell 1962-7-1 s.n. Siskiyou Mosquito Lake, headwaters of Tangle Blue Creek, tributary of Trinity River, Trinity-Salmon Primitive Area 1981 Comment
  UCD70111  Abies X shastensis D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Shasta-Trinity National Forest. Mount Shasta. John Everitt Memorial Highway. 2300 Comment
  JEPS83903  Abies amabilis Stephen K. Langer with Charles S. Rand 1988-6-21 Siskiyou e of Slaughter House Flat (n slope of Black Mt.); Black Mt. 1524 Comment
  CAS-BOT-BC73503  Abies concolor Elmer I. Applegate 1935-6-6 9368 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument. Comment
  UC401382  Abies concolor Annie M. Alexander and L. Kellogg 1911-6-20 159 Siskiyou Jackson L. Comment
  HSC45184  Abies grandis J. O. Sawyer, E. Cope 1977-6-18 2934 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  HSC4982  Abies lasiocarpa J. O. Sawyer 1968-7-9 430 Siskiyou W of Little Duck Lake. 1936 Comment
  SD76204  Abies magnifica var. shastensis Helen V. Witham 1969-10-9 640 Siskiyou Mount Shasta, in area signed Red Fir Forest 2100 Comment
Read comments
Jul 10 2010
  UC166210  Acer glabrum var. glabrum Geo. D. Butler 1908-8-5 531 Siskiyou camp below Cold Spring (Woolly Creek); Woolly Creek Comment
  SEINET10454033  Acer glabrum var. torreyi Mary Merello 1993-6-22 Merello 690 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  HSC67833  Achillea millefolium J. O. Sawyer, J. Cole 1980-7-22 3923 Siskiyou NW slopes of Cedar Mtn. 1524 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
  UC1409443  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou above, on bedrock ridges, (high lake basins in vicinity of English Pk) English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  HSC44579  Achlys triphylla Laura Witherspoon 1977-7-16 Siskiyou Copper Creek Area. 1128 Comment
  JEPS72979  Achnatherum occidentale subsp. californicum W. L. Jepson 1940-6-27 20037 Siskiyou Mt. Shasta, e slope Mt. Shasta 1828 Comment
  UCD55547  Achnatherum occidentale subsp. californicum Beecher Crampton 1956-8-20 3800 Siskiyou Northern city limits of Dunsmuir; driveway of Oak-Lo Motel. 716 Comment
  RSA603758  Achnatherum occidentale subsp. occidentale L. C. Wheeler 1935-6-27 3606 Siskiyou Head Etna Creek, Marble Mts. 1799 Comment
  RSA184786  Achnatherum occidentale subsp. occidentale Gilbert Muth 1966-7-25 454 Siskiyou Marble Rim, Marble Mountains 2073 Comment
  CAS-BOT-BC218014  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9442 Siskiyou Pera Paw Cave, Lava Beds National Monument Comment
  SEINET5327388  Acmispon denticulatus G. Butler 1910-6-27 1610 Siskiyou Yreka Creek Comment
  HSC71465  Acmispon micranthus J. P. Smith 1973-5-5 6379 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC454475  Aconitum columbianum I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  CAS-BOT-BC391508  Aconitum columbianum subsp. columbianum John Thomas Howell 1937-7-22 13323 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC64344  Aconitum columbianum subsp. columbianum J. P. Smith, Steve Selva 1970-7-18 4489 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC92159  Aconitum columbianum subsp. columbianum Jennifer Whipple 1976-7-8 1352 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  CAS-BOT-BC391529  Aconitum columbianum subsp. columbianum W. R. Dudley 1893-6-21 s.n. Siskiyou Klink's Meadow near Sisson's Comment
  CAS-BOT-BC391585  Aconitum columbianum subsp. viviparum Gilbert Muth 1965-8-16 s.n. Siskiyou Marble Valley Comment
  POM365538  Aconitum columbianum var. columbianum M. B. Dunkle 1945-8-2 9274 Siskiyou Paradise Lake, Klamath National Forest, Marble Mountains. Comment
  CAS-BOT-BC412910  Aconogonon davisiae Geo. D. Butler 1910-7-8 1677 Siskiyou Shackleford Creek 1828 Comment
  CAS-BOT-BC413839  Aconogonon davisiae Wm. Bridge Cooke 1938-7-21 11289 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Meadows Comment
  HSC61847  Aconogonon davisiae Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  CHSC98234  Aconogonon newberryi J. E. Bowlin 1967-7-18 71 Siskiyou On roadside, ca. 3.9 mi w of Mt Shasta Ski Bowl. 2133 Comment
  UCD98556  Aconogonon newberryi Collector unknown Date unknown s.n. Siskiyou location unknown. Comment
  CAS-BOT-BC418819  Aconogonon phytolaccifolium Geo. D. Butler 1908-8-4 182 Siskiyou Shackleford Creek near head 1828 Comment
  CAS-BOT-BC391699  Actaea rubra K. T. Stillman 1976-6-25 84 A Siskiyou Marble Mountain Wilderness Area. On N side of Elk Valley 1798 Comment
  HSC77006  Actaea rubra K. T. Stillman 1976-6-25 84 Siskiyou Marble Mountain Wilderness Area. On N side of Elk Valley 1799 Comment
  CAS-BOT-BC391708  Actaea rubra L. E. Smith 1914-9-1 757 Siskiyou Castle Lake Comment
  RSA184771  Actaea rubra subsp. arguta Gilbert Muth 1966-7-17 39 Siskiyou Trail to lookout, Marble Mtns. Comment
  JEPS33919  Adenocaulon bicolor George D. Butler 1908-7-20 339 Siskiyou Humbug Creek Comment
  CAS-BOT-BC68961  Adiantum aleuticum Ira L. Wiggins 1955-7-23 13477 Siskiyou Banks of China Creek 1097 Comment
  UC1483405  Adiantum aleuticum Maralyn A. Renner 1980-6-24 1005 Siskiyou tributary stream to East Fork Seiad Creek (where crossed by FS Rd 48N20); Klamath Nat'l Forest, Seiad Valley Quadrangle 1021 Comment
  CAS-BOT-BC110723  Aegilops cylindrica John Thomas Howell 1952-6-15 28366 Siskiyou Along road just east of Montague. Comment
  HSC58926  Agastache urticifolia Marvin Butler 1971-8-19 200 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  UC922471  Agastache urticifolia Annie M. Alexander and Louise Kellogg 1949-7-21 5824 Siskiyou s Paradise Lake (Paradise Lake, Marble Mountains); Marble Mountains, Paradise Lake 1920 Comment
  RSA238533  Agastache urticifolia Frederick W. Oettinger 1969-7-31 1117 Siskiyou E-facing slope, due NWW. of English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SEINET7940419  Agastache urticifolia G. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek. Comment
  HSC19166  Ageratina occidentalis J. O. Sawyer 1969-8-2 1663 Siskiyou SE facing slope above Little Duck Lake 1951 Comment
  HSC29227  Ageratina occidentalis Frederick W. Oettinger 1968-8-23 616 Siskiyou Diamond Lake spillway half way to English Lake 1951 Comment
  RSA15461  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou Klamath River, 5 mi. below Hamburg. Comment
  CAS-BOT-BC15481  Agoseris X dasycarpa Roxana S. Ferris; Laura Lorraine 1941-8-11 10506 A Siskiyou Slopes above Medicine Lake, Shasta National Forest Comment
  UCD77307  Agoseris aurantiaca var. aurantiaca Robert E. Preston 2002-7-12 1906 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek. 1712 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
  POM33131  Agoseris grandiflora Geo. D. Butler 1910-5-26 1367 Siskiyou Yreka Comment
  SEINET6738580 Image available Agoseris grandiflora G. D. Butler 1918-6-10 1555 Siskiyou Near Yreka Comment
  UC682100  Agoseris grandiflora var. grandiflora G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3260 Siskiyou 3 mi s Yreka 810 Comment
  CAS-BOT-BC15384  Agoseris grandiflora var. grandiflora G. P. Rixford not specified s.n. Siskiyou South side of Shaft-rock Mountain, Hilt Comment
  CDA9942  Agoseris heterophylla F. D. Horn 1979-4-29 Siskiyou Horn Ranch, Etna. 0 Comment
  CAS-BOT-BC13469  Agoseris retrorsa Alice Eastwood 1923-5-18 11834 Siskiyou Shasta Springs Comment
  CAS-BOT-BC13472  Agoseris retrorsa J. H. Thomas 1954-5-13 4162 B Siskiyou Salmon Mountains, Klamath National Forest, near S Fork of Salmon River, 5 to 9 miles SE Cecilville. Along Rush Creek. 1127 Comment
  UC618637  Agrostis exarata W. Bridge Cooke 1938-7-15 11223 Siskiyou above Bear Springs; Mount Shasta 1676 Comment
  UC815001  Agrostis exarata John Thomas Howell 1939-8-9 15205 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  CAS-BOT-BC139568  Agrostis gigantea W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartlets. Comment
  CAS-BOT-BC139570  Agrostis gigantea Louis C. Wheeler 1934-8-14 3134 Siskiyou Klamath Forest. North side White Mountain. 1767 Comment
  JEPS88997  Agrostis idahoensis Julie Kierstead 1992-9-5 92063 Siskiyou Modoc National Forest, at e end of Medicine Lake Medicine Lake; Modoc National Forest, Medicine Lake 2042 Comment
  HSC22432  Agrostis pallens J. O. Sawyer 1969-7-24 1508 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC30552  Agrostis pallens Frederick W. Oettinger 1969-8-16 1411 Siskiyou Marble Mtn.Wilderness Area, English Lake, open dry rocky level NE of wiregrass meadow. 1677 Comment
  RSA697272  Agrostis pallens D. W. Taylor 1996-7-7 15810 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna) in cirque above the upper lake; Klamath National Forest 2073 Comment
  SEINET5335937  Agrostis pallens G. Butler 1910-7-12 1748 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC138697  Agrostis scabra E. Palmer 1892-1-1 2636 Siskiyou Near Mount Shasta. Comment
  UC1108539  Agrostis scabra Ira L. Wiggins 1955-7-22 13448 Siskiyou 9.5 mi above Cecilville; South Fork of Salmon River 1066 Comment
  UC815156  Agrostis scabra J. R. Swallen 1941-7-25 16114 Siskiyou MacBride Springs area Mt. Shasta 1524 Comment
  HSC39912  Agrostis stolonifera J. P. Smith, Steve Selva 1970-7-16 4394 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC30586  Agrostis thurberiana Frederick W. Oettinger 1969-8-22 1503 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  UC618861  Agrostis thurberiana W. Bridge Cooke 1938-9-17 11695 Siskiyou Water Supply Spring, Horse Camp Mount Shasta 2468 Comment
  HSC100993  Alisma triviale J. P. Smith 2009-8-22 12656 Siskiyou Along the road to Bray. 1422 Comment
  CAS-BOT-BC469237  Allium falcifolium Alice Eastwood 1912-8-30 2004 Siskiyou Mount Eddy Comment
  CAS-BOT-BC469238  Allium falcifolium Alice Eastwood 1923-5-29 12003 Siskiyou Cantara [historical town] Comment
  UCR11966  Allium obtusum var. obtusum William B. Cooke 1941-8-28 16249 Siskiyou Mt. Shasta, along Squaw Valley Creek 2800 Comment
Read comments
May 7 2014
  UC843494  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy 1828 Comment
  RSA367151  Allium validum Laura Witherspoon 1977-7-30 s.n. Siskiyou Flint Valley. 1341 Comment
  CAS-BOT-BC171405  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou in vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  RSA1890  Alnus incana subsp. tenuifolia C. B. Wolf 1930-10-22 1752 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  HSC33980  Alnus rhombifolia J. P. Smith 1974-5-25 7442 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC69169  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-8-6 2326 Siskiyou Cracker Meadow 1555 Comment
  RSA238558  Alnus viridis subsp. sinuata Frederick W. Oettinger 1969-7-14 1012 Siskiyou Salmon Mountains, in the vicinity of English Peak, Marble Mountains Wilderness Area, along the s. shore of Charmaine Lake. 1921 Comment
  UC1736429  Alnus viridis subsp. sinuata Dean W. Taylor 1999-8-12 17301 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  CHSC27776  Alyssum desertorum William F. Frank 1978-4-1 1 Siskiyou Foothills facing lake. Ca. 3 miles in to end of public access road at s Lake Shastina. 914 Comment
  JEPS54288  Amaranthus albus Geo. D. Butler 1908-8-14 542 Siskiyou near Yreka (upper field of Butler's Ranch) Comment
  HSC65316  Amaranthus powellii J. P. Smith, Steve Selva 1970-8-9 4584 Siskiyou In potato fields W of Macdoel. Comment
  CAS-BOT-BC136717  Amelanchier alnifolia var. pumila Donald Myrick 1961-6-20 279 Siskiyou On road to Bear Springs east of Mt. Shasta City Comment
  HSC18540  Amelanchier pallida D. M. Thomson 1965-8-7 170 Siskiyou Lava Beds NM, Cave Loop Rd. by information center Comment
  RSA211464  Amelanchier pallida William J. Ferlatte 1967-6-5 493 Siskiyou Big Flat. 1524 Comment
  RSA453149  Amelanchier pallida Bonnie C. Templeton 1960-6-21 8545 Siskiyou Edge of cienega, Scott Mts Comment
  CAS-BOT-BC136889  Amelanchier utahensis Dorothy Parker 1947-5-23 182 Siskiyou Northeast slopes of the Gazelle Mountains 1493 Comment
  UC166492  Amelanchier utahensis Geo. D. Butler 1908-5-30 493 Siskiyou Humbug Mountain Comment
  JEPS41791  Anagallis linifolia Maxine Gibeson 1966-2-21 Siskiyou edge of Carlton Pasture, Elliott Creek Canyon Elliott Creek Canyon; Rogue R. Nat'l Forest, Elliott Creek Canyon (tributary of Ap Comment
  POM57101  Anaphalis margaritacea Copeland, Alice Eastwood 1903-8-13 3816 Siskiyou Sisson. [old name for Mount Shasta] Comment
  RSA607943  Ancistrocarphus filagineus L. C. Wheeler 1935-5-1 3452 Siskiyou Yreka Creek. Siskiyou Mountains. (Mt. Diablo Mer.) 854 Comment
  JEPS13784  Androsace elongata subsp. acuta Geo. D. Butler 1909-3-7 579 Siskiyou Yreka Comment
  UCD95464  Anemone deltoidea A. H. Murphy 1961-7-19 61 G Siskiyou Marble Mountains. Klamath National Forest. Sky High Valley, north end. 1584 Comment
  CAS-BOT-BC391797  Anemone deltoidea H. M. Hall 1909-7-1 8675 Siskiyou Salmon Mountains. Salmon River 1584 Comment
  SEINET12087307  Anemone deltoidea J. T. Howell 1939-1 14927 Siskiyou Marble Mountains, Spirit Lake Comment
  SEINET12093427  Anemone deltoidea H. P. Chandler 1901-1 1554 Siskiyou near Marble Mountain 1829 Comment
  CAS-BOT-BC391854  Anemone drummondii A. A. Heller 1915-7-15 12082 Siskiyou Mt. Eddy 2072 Comment
  HSC58914  Anemone drummondii Marvin Butler 1971-7-7 56 Siskiyou Near El Capitan, close to the town of Cave Junction 1585 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
  CAS-BOT-BC391971  Anemone occidentalis Harley P. Chandler 1901-6-1 1676 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  SBBG2108  Anemone occidentalis H. and M. Dearing 1939-7-1 3781 Siskiyou Salmon Mtn summit 1981 Comment
  CAS-BOT-BC391965  Anemone occidentalis M. B. Dunkle 1945-7-19 9231 Siskiyou Klamath Natl. Forest, Marble Mts. Sky-High Bluffs Comment
  RSA211132  Anemone occidentalis William J. Ferlatte 1967-7-26 754 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  CHSC65230  Anemone oregana V. Parker 1993-7-8 21 -10 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Alongside small tributary to Trout Creek, off forest road 42N40B. 1706 Comment
  UC174746  Angelica arguta K. Brandegee July 1887 Siskiyou Mount Shasta Comment
  UC637114  Angelica arguta Edward Lee 1934-8-14 1106 Siskiyou near summit of Little Grayback (Siskiyou-Del Norte County line); near summit of Little Grayback 1865 Comment
  SEINET13943378 Image available Angelica arguta W. J. Ferlatte 1966-1 244 Siskiyou Trinity Alps of northern California; Big Flat. wooded area near public camp, alt. 5000 ft T37N R9W SEC18. 1524 Comment
  JEPS19765  Angelica tomentosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5941 Siskiyou about 11 mi sw of town of Mount Shasta (between White Ridge and Scott Camp Ridge, along road to Gumboot Lake, in Canyon of South Fork Sacramento River); South Fork Sacramento River 1219 Comment
  HSC71989  Angelica tomentosa J. M. DiTomaso 1980-8-5 1851 Siskiyou Baldy Mtn. Lookout, 6 mi W of Happy Camp, 200 m N of lookout 1707 Comment
  CAS-BOT-BC59276  Antennaria argentea W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake, near Sacramento -- ? Comment
  UC336311  Antennaria geyeri unknown 1889-6-27 Siskiyou Edgwood Comment
  UCR70793  Antennaria geyeri J. W. Thompson 1936-7-8 13158 Siskiyou Lava Bed National Monument Comment
  HSC21994  Antennaria howellii J. O. Sawyer 1969-7-24 1198 Siskiyou NW facing slope above Sugar Lake 1784 Comment
  UC336312  Antennaria rosea unknown 1889-6-28 Siskiyou Edgwood Comment
  UC891547  Antennaria rosea J. Thomas Howell 1937-7-21 13177 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  RSA238710  Antennaria rosea Frederick W. Oettinger 1969-9-3 1615 Siskiyou On the bedrock slopes of Shasta Ridge between English Peak and Diamond Lake . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC1037288  Antennaria rosea Leo Whitney 1934-6-10 1702 Siskiyou near Tennent; Antelope Creek 1463 Comment
  UC29519  Antennaria rosea C. B. Bradley 1879-1 Siskiyou Comment
  CHSC259  Antennaria rosea subsp. confinis V. Holt 1943-8-10 Siskiyou Marble mountains. 1524 Comment
  CHSC70463  Antennaria rosea subsp. confinis M. Schweich 1997-6-17 4144 Siskiyou Payne's Spring, in rocks on rim of canyon. 1987 Comment
  UCR93352  Anthemis cotula Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 Comment
  JEPS107483  Apera interrupta Lowell Ahart, John Dittes 2005-6-9 12053 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  SBBG5685  Apocynum androsaemifolium H. and M. Dearing 1938-6-27 2181 Siskiyou 1 mi W of McCloud Comment
  UC566936  Apocynum androsaemifolium Dorothy Tebbe 1929-7-7 7 Siskiyou Donkey Camp Mt. Eddy Comment
  UC630387  Apocynum androsaemifolium Annetta Carter 1939-8-20 1457 Siskiyou 5.5 mi. n. Dunsmuir 1005 Comment
  JEPS24019  Apocynum androsaemifolium Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6880 Siskiyou 16 mi above and nw Happy Camp (Happy Camp - Takilma road, in drainage of Indian Creek); Siskiyou Mts., drainage of Indian Creek 1097 Comment
  RSA211337  Apocynum androsaemifolium subsp. pumilum William J. Ferlatte 1966-8-18 408 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  UC637157  Aquilegia formosa Edward Lee 1934-8-11 1038 Siskiyou Walker Creek; a tributary of the Klamath River 609 Comment
  CAS-BOT-BC395149  Aquilegia formosa G. B. Grant 1902-9-15 22500 Siskiyou Shasta Springs, N Cal Comment
  CAS-BOT-BC397949  Aquilegia formosa W. R. Dudley 1899-8-13 s.n. Siskiyou Nabat Meadows, Mc Cloud Comment
  SEINET10536307  Aquilegia formosa Linstedt 1984-5-27 LINSTEDT 68 Siskiyou T44n,r11w,sec.26, indian scotty campground, found on n-facing slope near Ceanothus and mitella. Corolla orange with yellow center 701 Comment
  RSA0125738  Arabis breweri Frederick W. Oettinger 1969-7-15 1024 Siskiyou Between Diamond Lake and Upper English Lake. Salmon Mts.; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC104  Arabis breweri var. breweri William J. Ferlatte 1966-6-23 134 Siskiyou Yellow Rose Mine 1982 Comment
  RSA52143  Arabis eschscholtziana Dorothy Parker 1948-6-14 s.n. Siskiyou Rail Creek, Plowman s Valley 1204 Comment
  JEPS53064  Arabis glabra Geo. D. Butler 1908-8-3 123 Siskiyou Log Lake Shackelford Creek Comment
  HSC46817  Arabis glabra William J. Ferlatte 1974-7-14 1520 Siskiyou Big Flat, near S fork of Salmon River, E side of Big Flat Campground and lower slopes of Grouse Ridge 1524 Comment
  SEINET184716  Arabis holboellii var. retrofracta C. L. Hitchcock 1939-7-9 5308 Siskiyou North side of Black Mt. near Marble Mt. 2073 Comment
  RSA0129721  Arabis oligantha E. B. Copeland 1903-8-16 3914 Siskiyou Mount Shasta 2439 Comment
  HSC40066  Arabis oregana J. P. Smith 1973-5-5 6449 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC69259  Arabis platysperma J. O. Sawyer, J. Cole 1980-7-20 3743 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC68419  Arabis subpinnatifida Maralyn A. Renner 1980-6-9 854 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UC375283  Arabis subpinnatifida Geo. D. Butler 1909-4-24 685 Siskiyou Greenhorn road Comment
  CDA24665  Arabis subpinnatifida G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2642 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  POM143232  Arabis subpinnatifida Geo. D. Butler 1910-4-16 1181 Siskiyou Near Yreka. Comment
  CAS-BOT-BC171698  Aralia californica J. H. Thomas; H. A. Thomas 1954-7-22 4441 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville, between Rush and Big Bend Creeks, .25 - .5 miles N of S Fork of Salmon river. Along banks of Big Bend Creek. 975 Comment
  HSC36731  Aralia californica Brent Whiteley 1975-6-28 96 Siskiyou 915 Comment
  JEPS49008  Arceuthobium Geo. D. Butler 1908-8-26 273 Siskiyou Russian Creek 1524 Comment
  SEINET2471281  Arceuthobium cyanocarpum R. L. Mathiasen 2007-8-9 2007 -34 Siskiyou 2 km NE of Park Creek trail head on forest road 17 1980 Comment
  UC1078871  Arceuthobium douglasii Job Kuijt 1957-6-26 1396 Siskiyou rd to Gumboot Lake Trinity Mtns w of Shasta (s fork of the Sacramento River) 1371 Comment
Read comments
Jun 7 2012
  RSA237456  Arceuthobium tsugense Frederick W. Oettinger 1969-9-5 1678 Siskiyou Between Abbotts Lake and Wiregrass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CDA6781  Arctium minus T. C. Fuller 1960-8-23 4965 Siskiyou ca. 1 mile south of Greenview. 0 Comment
  HSC4922  Arctostaphylos nevadensis J. O. Sawyer 1968-7-9 421 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UC456165  Arctostaphylos nevadensis I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 2133 Comment
  UC61066  Arctostaphylos nevadensis W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC46491  Arctostaphylos patula C. B. Wolf 1931-9-2 2394 Siskiyou 3 mi. above junction with Pacific Highway on the McCloud Road. 1158 Comment
  CAS-BOT-BC46494  Arctostaphylos patula John Thomas Howell 1937-7-23 13370 Siskiyou South Fork of the Salmon River near Big Flat. 1524 Comment
  RSA238582  Arctostaphylos patula Frederick W. Oettinger 1969-7-14 1018 Siskiyou On the ridge between David Montain (peak S.W. of Charmaine Lake) and the peak due S. of Abbotts lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC410485  Arctostaphylos patula Mrs. Eric Anderson 1923-4-19 Siskiyou Shasta Spring Comment
  UC796519  Arctostaphylos patula Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11771 Siskiyou on Forks of Salmon Rd about 6 mi from Etna 1706 Comment
  SEINET11988200  Arctostaphylos patula W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou Cook & Green Pass 1372 Comment
  HSC67138  Arctostaphylos viscida J. P. Smith 1973-5-5 6482 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA782327  Arctostaphylos viscida subsp. pulchella R. W. Spjut, Paul Burchstead 2008-6-12 16342 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, east of the Forks of the Salmon 629 Comment
  RSA195517  Arenaria congesta var. suffrutescens H. A. Thomas, John H. Thomas 1954-7-24 4507 Siskiyou Salmon-Trinity Mts. Vicinty of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1829 Comment
  UC852267  Arenaria congesta var. suffrutescens John Thomas Howell 1939-8-2 14916 Siskiyou Marble Mts., Spirit Lake 1828 Comment
  UC852283  Arenaria congesta var. suffrutescens Alice Eastwood 1912-8-30 2033 Siskiyou Mount Eddy Comment
  UC1192153  Arnica chamissonis Herbert L. Mason 1948-7-18 13608 Siskiyou Grass Lake Comment
  CAS-BOT-BC82369  Arnica cordifolia Geo. D. Butler 1910-4-21 1216 Siskiyou Oro Fino Comment
  UC166179  Arnica cordifolia Geo. D. Butler 1909-4-14 643 Siskiyou Humbug road Comment
  UCD77359  Arnica cordifolia Robert E. Preston 2001-6-23 1616 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  RSA237583  Arnica cordifolia Frederick W. Oettinger 1969-8-1 1122 Siskiyou SW just above Wiregrass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  RSA238801  Arnica cordifolia Frederick W. Oettinger 1969-7-14 1023 Siskiyou High SE above English lake outlet along route from Charmaine to English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC82554  Arnica discoidea Annie M. Alexander; Louise Kellogg 1948-9-14 5620 Siskiyou Canyon Creek, branch of Scott River 762 Comment
  UC1037437  Arnica discoidea Douglas Barbe 1955-7-28 308 Siskiyou 3/4 mi w of Scott Mountain Forest Camp; Klamath Mountains 1645 Comment
  HSC29105  Arnica diversifolia Frederick W. Oettinger 1969-8-9 1441 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; 1/2 mile NNE of English Peak and within English Lake Basin 1951 Comment
  UC609369  Arnica latifolia Eleanor Burks Hart 1938-8-16 916 Siskiyou Upper Wright Lake 2225 Comment
  HSC610  Arnica latifolia William J. Ferlatte 1967-7-26 765 Siskiyou NW side of Caribou Mtn.; near Browns Meadow 1829 Comment
  UC1408756  Arnica longifolia Frederick W. Oettinger 1968-9-1 648 Siskiyou ssw of, at base of precipice Abbott's Lake; Salmon Mountains, English Peak, Marble Mountain Wilderness A 1798 Comment
  CAS-BOT-BC82758  Arnica mollis Wm. Bridge Cooke 1938-9-8 11652 Siskiyou Squaw Creek Meadow, along Squaw Creek from the middle meadow to the lower meadow 2286 Comment
  UC1409284  Arnica mollis Frederick W. Oettinger and R. F. Thorne 1969-8-6 1251 Siskiyou below, along steep gorge, (high lake basins in vicinity of English Peak) Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  UC1072716  Arnica nevadensis Douglas Barbe 1955-7-6 129 Siskiyou Taylor Lake (above se shore) Klamath Mountains, Salmon Mountains 1950 Comment
  UC642579  Arnica viscosa Bassett Maguire 1939-8-8 13833 Siskiyou valley of Horse Camp Creek; Mount Shasta 2468 Comment
  JEPS93964  Artemisia biennis Vernon H. Oswald and Lowell Ahart 1998-9-16 9648 Siskiyou Tour Route at Lower Klamath National Wildlife Refuge 3 mi s of Highway 161; Lower Klamath National Wildlife Refuge 1243 Comment
  SFV8414  Artemisia campestris subsp. borealis J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3750 Siskiyou Marble Mountain Wilderness Area. Southwestern ridge of Black Mountain. Southeast facing slope on decomposed marble scree. 2134 Comment
  HSC28251  Artemisia douglasiana J. P. Smith, J. O. Sawyer 1971-9-18 4816 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC42936  Artemisia douglasiana Ken Stillman 1976-8-24 436 Siskiyou Along Klamath River at Williams Point. 366 Comment
  CAS-BOT-BC90743  Artemisia ludoviciana subsp. incompta John Thomas Howell 1939-8-8 15186 Siskiyou Black Mt., Marble Mt. Comment
  JEPS74562  Artemisia norvegica subsp. saxatilis W. J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mountain Trinity Alps 2468 Comment
  CAS-BOT-BC447718  Aruncus dioicus var. vulgaris C. A. Chamberlain 1913-7-5 363 Siskiyou Trinity Forest 1066 Comment
  POM210882  Aruncus sylvester Louis C. Wheeler 1934-8-17 3179 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  RSA537374  Aruncus vulgaris Walter Wisura 1991-10-18 4599 Siskiyou Salmon river, 5.7 mi E of Somes Bar, Shaded seapage area. Comment
  CAS-BOT-BC400585  Asarum caudatum Alice Eastwood 1912-7-16 1140 Siskiyou McCloud Comment
  JEPS24614  Asarum caudatum Rimo Bacigalupi with Dr. Reino and Dr. Aloha Alava 1958-8-31 6767 Siskiyou Along S.P. (Shasta Route) railway grade in the upper Sacramento River Canyon; in the 1 1/2 mile stretch between Shasta Retreat (at northern ouskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs 731 Comment
  CAS-BOT-BC400597  Asarum caudatum J. Aug. Kusche 1914-6-1 s.n. Siskiyou Mt. Shasta Comment
  RSA416094  Asarum caudatum M. B. Dunkle 1945-1 s.n. Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  CAS-BOT-BC400699  Asarum hartwegii A. A. Heller 1905-6-5 7989 Siskiyou On the plateau just above Shasta Springs Comment
  CAS-BOT-BC400708  Asarum hartwegii Wayne Roderick 1967-7-28 s.n. Siskiyou Along road to ski area, Mt. Shasta Comment
  JEPS49837  Asclepias cordifolia Geo. D. Butler 1908-8-1 79 Siskiyou Forest House road Comment
  SEINET191627  Asclepias cordifolia Marion Ownbey, D. H. Brown 1941-6-22 2423 Siskiyou West of Craggy Mountain, northwest of Yreka. Comment
  HSC32006  Asclepias cordifolia J. D. Ackerman, A. M. Montalvo 1974-7-2 357 Siskiyou Along road to Shasta Retreat, 2 mi. S of Snowman Hill and Hwy. 89 1189 Comment
  SEINET6833731  Asclepias cordifolia G. D. Butler 1910-6-7 1531 Siskiyou Greenhorn Mountain Comment
  UC164151  Asclepias fascicularis Geo. D. Butler 1910-6-29 1613 Siskiyou near Yreka Comment
  SEINET10890225  Asclepias fascicularis H. E. Brown 1897-8-1 Brown 596 Siskiyou Mt. Shasta, S side Comment
  UC1409503  Asclepias speciosa F. W. Oettinger 1969-8-12 1331 Siskiyou 1 mi from Etna Summit (on road toward Etna); Salmon Mountains Comment
  UC722388  Aspidotis densa C. L. Hitchcock and J. S. Martin 1939-7-7 5283 a Siskiyou 1/2 mi below Sanger Peak Lookout 1524 Comment
  CAS-BOT-BC69554  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Little Soda Cr., Klamath Forest. 1432 Comment
  CAS-BOT-BC99215  Aster Louis C. Wheeler 1934-9-19 3284 Siskiyou Klamath National Forest - Walker 518 Comment
  RSA238774  Aster foliaceus var. lyallii Frederick W. Oettinger 1968-9-10 815 Siskiyou NW of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  RSA351096  Aster frondosus L. C. Wheeler 1934-8-20 3194 Siskiyou West Fork Beaver Creek. 1220 Comment
  CAS-BOT-BC178820  Astragalus californicus Geo. D. Butler 1910-5-5 1284 Siskiyou Humbug Mountain Comment
  JEPS107669  Astragalus gambelianus Lowell Ahart, John Dittes 2005-6-9 12013 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CDA26703  Astragalus lentiginosus var. salinus T. C. Fuller 1962-6-12 8966 Siskiyou Davis Road to Medicine Lake, Little Oklahoma district, ca. 15 miles east of Dorris. 0 Comment
  RSA184717  Astragalus purshii var. lectulus Gilbert Muth 1966-7-22 438 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  RSA110924  Astragalus purshii var. tinctus R. C. Barneby 1954-5-16 11515 Siskiyou Scott Road, 10.5 miles below Fort Jones 1006 Comment
  CHSC30658  Astragalus whitneyi var. siskiyouensis M. S. Taylor; W. Overton 1980-7-8 3091 Siskiyou On s side of 40N43, ca. 3 mi w of its jct with 40N26, at w end of Lake Siskiyou. 1432 Comment
  CAS-BOT-BC198715  Astragalus whitneyi var. siskiyouensis Freed W. Hoffman 1948-7-7 2413 Siskiyou Scott Mountain Road, summit to Callahan 1249 Comment
  RSA249717  Astragalus whitneyi var. siskiyouensis Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest.; c. 14 air mi. SW of Weed, 0.4 mi. NE of Rock Fence Creek along road to Kangaroo Lake. Comment
  CAS-BOT-BC69574  Athyrium alpestre subsp. americanum C. G. Pringle 1882-8-29 s.n. Siskiyou Mount Shasta. 2438 Comment
  RSA237517  Athyrium americanum Frederick W. Oettinger 1968-8-24 631 Siskiyou Inlet meadow to Toms Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  HSC23598  Athyrium distentifolium var. americanum J. O. Sawyer 1969-8-2 1717 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  CAS-BOT-BC17614  Athysanus pusillus L. E. Smith 1913-5-28 311 Siskiyou Yreka. Comment
  SEINET516324  Atriplex heterosperma Vernon H. Oswald 1998-9-16 9649 Siskiyou Tour Route at Lower Klamath NWR 3 mi S of Hwy. 161. 1244 Comment
  JEPS93959  Atriplex rosea Vernon H. Oswald and Lowell Ahart 1998-9-16 9652 Siskiyou 2 mi s of Highway 161 (Return leg of the Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  UC204768  Avena sativa Geo. D. Butler 1908-6-25 1093 Siskiyou old fields near Yreka Comment
  CHSC106105  Azolla microphylla Lowell Ahart; John Dittes 2010-7-30 16955 Siskiyou Along the west edge of the Shasta River, about 120 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UC166118  Balsamorhiza deltoidea Geo. D. Butler 1909-4-14 595 Siskiyou Humbug Road Comment
  UC673213  Balsamorhiza lanata Lincoln Constance and Reed C. Rollins 1942-5-14 2919 Siskiyou 1 mi east of Yreka; Klamath-Siskiyou Region 762 Comment
  CAS-BOT-BC100105  Balsamorhiza sagittata Elmer I. Applegate 1935-6-6 9383 Siskiyou Indian Well, Lava Beds National Monument Comment
  JEPS108613  Berberis aquifolium var. aquifolium R. Raiche 1986-7-15 60327 Siskiyou Herd peak Road, herd Mt., NE of Weed 1688 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-BC75721  Berberis nervosa Louis C. Wheeler 1934-6-29 2822 Siskiyou Klamath Forest. Soda Creek. 1280 Comment
  CHSC10132  Berberis nervosa Geo. D. Butler 1908-8-22 Siskiyou Eldredge's [looks like 'Eeldredgis' on label] Corral Russian Creek. Comment
Read comments
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  SBBG25334  Berberis piperiana S. L. Holloway 1963-5-19 55 Siskiyou 2 mi E of forks of Big Humbug Crk, W of Hawkinsville 1066 Comment
  CAS-BOT-BC76006  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
  CHSC88093  Bistorta bistortoides Jenny Marr 1993-7-1 103 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC92980  Bistorta bistortoides Jennifer Whipple 1976-7-8 1355 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  CAS-BOT-BC413083  Bistorta bistortoides Wm. Bridge Cooke 1940-6-8 15127 Siskiyou In Mount Shasta City along an irrigation canal Comment
  JEPS95284  Blepharipappus scaber Vernon H. Oswald and L. Ahart 1994-8-1 6444 Siskiyou T41N R6W NW1/4 Sec. 22, 3760 ft, Yellow Pine Forest. Junction of Forest Rd. 17 and Stewart Springs Rd., W of Weed 1146 Comment
  OBI55409  Blepharipappus scaber David J. Keil, Kathleen Keil 1992-7-21 23513 Siskiyou Klamath Natl forest SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  JEPS82691  Boechera breweri Steve Edwards 1984-6-7 Siskiyou South China Mtn. 2286 Comment
  UC375280  Boechera breweri Geo. D. Butler 1910-3-5 1118 Siskiyou Shasta Rim Comment
  UC1409497  Boechera lyallii Frederick W. Oettinger 1968-8-4 390 a Siskiyou trail just n Crapo Peak Ridge (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2194 Comment
  CAS-BOT-BC14518  Boechera puberula Ira L. Wiggins 1950-5-28 12376 Siskiyou Ridge just above Grouse Lake (headwaters of Grouse Creek). 1828 Comment
  CAS-BOT-BC25431  Boechera retrofracta Reed Rollins 1940-6-6 15074 Siskiyou Near the outlet of Castle Lake. 1676 Comment
  CAS-BOT-BC25615  Boechera retrofracta John Thomas Howell 1939-8-4 15048 Siskiyou Marble Mountains. Marble River. 1889 Comment
  CAS-BOT-BC25620  Boechera retrofracta Doris K. Kildale 1928-7-2 5372 Siskiyou Salmon Summit via Horn Creek Trail. 1981 Comment
  JEPS85501 Image available Boechera rollei Wayne E. Rolle 1983-8-4 831 Siskiyou divide between the Applegate and Klamath rivers (Red Butt-Kangaroo Mt.-Lilypad Lake-Towhead Lake region) 1645 Comment
  CAS-BOT-BC25871  Boechera subpinnatifida Doris K. Kildale; L. B. Kildale 1930-6-1 9836 Siskiyou Mill Creek near Etna Mills. Comment
  CAS-BOT-BC25917  Boechera suffrutescens John Thomas Howell 1939-8-2 14941 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  POM46111  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  HSC72872  Boschniakia strobilacea M. A. Baker 1980-6-20 2206 Siskiyou Near Bald Mtn. 1036 Comment
  HSC96288  Boykinia major Gordon Leppig 1998-8-14 1009 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  POM92218  Boykinia major Geo. D. Butler 1908-8-22 217 Siskiyou Salmon Mtn. 1677 Comment
  RSA68957  Boykinia major A. E. Culbertson 1943-8-8 1 Siskiyou Castle Lake, in a N facing cirque with an abrupt 1000 backwall. 14 miles SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mtns. 2000 above Sacramento River within 10 air miles of its headwaters to the W. 1656 Comment
  RSA756939  Boykinia major R. F. Thorne 1969-8-2 63345 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  SD61021  Boykinia occidentalis Darley F. Howe 1964-8-7 Siskiyou 8.2 mi. from #96 on Mill Creek Road. Hoopa Valley 1067 Comment
  UC375292  Brassica rapa Geo. D. Butler 1908-7-14 1048 Siskiyou fields near Yreka Comment
  UC163914  Brickellia grandiflora Geo. D. Butler 1908-8-8 305 Siskiyou summit above Woolly Creek Comment
  HSC69142  Brickellia greenei Maralyn A. Renner 1980-8-8 2475 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  RSA593950  Brickellia greenei L. C. Wheeler 1963-8-30 8309 Siskiyou Siskiyou Mountains. Mouth of Preston Creek at Clear Creek. 792 Comment
  UCD70189  Brickellia greenei D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  SEINET8401322  Brodiaea elegans L. E. Detling 1959-6-8 8225 Siskiyou Scott River near Scott Bar. 579 Comment
  UC375188  Brodiaea elegans subsp. elegans Geo. D. Butler 1908-6-28 Siskiyou flats Oro Fino Comment
  UC1037163  Bromus carinatus var. carinatus Leo Whitney 1935-7-15 3474 Siskiyou 2 mi se of Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  HSC2194  Bromus diandrus L. C. Wheeler 1935-5-7 3469 Siskiyou Siskiyou Mts., Klamath River at Ash Creek. 610 Comment
  CAS-BOT-BC155219  Bromus hordeaceus Wm. Bridge Cooke 1938-7-15 11216 Siskiyou Mount Shasta. Above Bear Springs. 1676 Comment
  HSC43470  Bromus hordeaceus Maralyn O'Meara 1974-5-25 381 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC1024709  Bromus hordeaceus Leo Whitney 1934-6-29 2135 Siskiyou near Tennant (Antelope Creek); Antelope Creek 1463 Comment
  SEINET250617 Image available Bromus inermis subsp. inermis Cindy Roche, Robert Korfhage 2005-7-12 Siskiyou Road 1055 milepost 3.3 Cook & Green Road. 1040 Comment
  POM204679  Bromus marginatus Copeland 1903-09 3790 Siskiyou Mt. Eddy, California 1585 Comment
  RSA184783  Bromus marginatus Gilbert Muth 1966-7-22 434 Siskiyou Meadow below Marble Rim, Marble Mountains. 2012 Comment
  RSA239137  Bromus marginatus Frederick W. Oettinger 1969-9-1 1576 Siskiyou Katherine lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC1152023  Bromus racemosus Joseph P. Tracy 1951-6-16 19488 Siskiyou about 3 mi s of Oregon-California State Line (at crossing of Takilma-Happy Camp Road, Summit of the Siskiyous); the Siskiyous Comment
  UC166480  Bromus secalinus Geo. D. Butler 1909-6-5 826 Siskiyou near Yreka Comment
  CAS-BOT-BC161630  Bromus sterilis Doris K. Kildale 1928-7-4 5511 Siskiyou Summit of divide between Sawyers Bar and Etna. Comment
  RSA239070  Bromus suksdorfii Frederick W. Oettinger 1969-9-2 1588 Siskiyou Above Bear meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  CAS-BOT-BC185606  Bromus tectorum William A. Dayton 1912-7-28 153 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  HSC9353  Bromus tectorum D. M. Thomson 1965-6-12 84 Siskiyou Lava Beds National Monument, Hovey Point Comment
  UC1131302  Bromus tectorum M. H. Mitchell 1936-5-14 21 Siskiyou Modoc Lava Beds National Monument, Canby Cross Canby Cross; Modoc Lava Beds National Monument, Canby Cross 1249 Comment
  HSC23101  Calamagrostis breweri J. O. Sawyer 1969-8-5 1755 Siskiyou W of Little Duck Lake 2073 Comment
  HSC69362  Calamagrostis breweri Maralyn A. Renner 1980-8-19 2506 Siskiyou S side of Caribou Lake 2104 Comment
  RSA239014  Calamagrostis canadensis Frederick W. Oettinger 1968-9-1 636 Siskiyou South east side of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  CAS-BOT-BC185255  Calamagrostis koelerioides Geo. D. Butler 1910-7-12 1746 Siskiyou Shackleford Creek. 1371 Comment
  SEINET8205872  Calliscirpus criniger J. W. Stacey 1940-6-6 15054 Siskiyou near springs along the shores of Castle Lake. 1676 Comment
  RSA237962  Callitriche verna Frederick W. Oettinger 1969-9-4 1624 -a Siskiyou Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC85730  Calocedrus decurrens Doris K. Kildale 1928-8-20 6639 Siskiyou Finley's Upper Camp, head of north fork Salmon River - trail to Marble Mt. Comment
  CAS-BOT-BC85747  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow, Marble Mts. 1792 Comment
  HSC49916  Calocedrus decurrens Maralyn O'Meara 1974-5-25 396 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC69560  Calocedrus decurrens Maralyn A. Renner 1980-8-6 2289 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  HSC69737  Calocedrus decurrens Maralyn A. Renner 1980-6-26 1280 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC85742  Calocedrus decurrens W. R. Dudley 1905-8-1 s.n. Siskiyou Sacramento below wood and Sheldon's Mill Comment
  POM21798  Calocedrus decurrens E. B. Copeland 1903-8-13 3913 Siskiyou Sisson, on Big Spring Creek 1067 Comment
  RSA360080  Calochortus coeruleus Louis C. Wheeler 1934-6-7 2655 Siskiyou North Hungry Creek. 1220 Comment
  CHSC96100  Calochortus elegans L. P. Janeway 2006-7-4 8795 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  UC1409212  Calochortus elegans Frederick W. Oettinger 1969-7-10 951 Siskiyou nw of Lower English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1767 Comment
  CAS-BOT-BC488615  Calochortus elegans var. nanus A. A. Heller 1906-6-15 s.n. Siskiyou Near Sisson Comment
  CHSC41224  Calochortus nudus J. D. Jokerst 1983-7-6 1834 Siskiyou Ca. 5.0 miles north of Pondosa (N of Hwy. 89), ca. 1.0 mile west of Sand Flat Well. Comment
  HSC81759  Calochortus nudus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6189 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC54188  Calochortus nudus H. M. Hall and E. B. Babcock Jun 1903 4067 Siskiyou n of Sisson (to near Upton); Sierra Nevada Mountains, Mount Shasta 1066 Comment
  HSC44917  Calochortus tolmiei J. P. Smith 1976-5-5 8682 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  JEPS19773  Caltha biflora Rimo Bacigalupi with S. Galen Smith 1957-6-26 5955 Siskiyou Springy bog at west end Gumboot Lake, head of South Fork Sacramento River, close to Trinity County line. 1859 Comment
  UCR70790  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-10-6 03310 Siskiyou Shasta Valley, 2 mi. SE of Yreka 856 Comment
  CAS-BOT-BC272741  Calycadenia truncata subsp. truncata R. L. Carr 1978-8-17 2129 Siskiyou Ca. 4.0 mi W of Gazelle on the Gazelle-Callahan Rd, S of Yreka 950 Comment
  HSC77017  Calyptridium umbellatum K. T. Stillman 1976-6-25 36 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  UC420610  Calyptridium umbellatum Harley P. Chandler June, 1901 1581 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  JEPS101705  Calystegia malacophylla subsp. malacophylla Dean W. Taylor 1997-6-12 16066 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  UC796590  Calystegia occidentalis subsp. occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11865 Siskiyou 8 mi from summit Gazelle Mt. grade (e side); 8 mi from summit Gazelle Mt. grade 929 Comment
  CDA39272  Camassia quamash M. K. Bellue Jun 1934 s.n. Siskiyou near Yreka(?). 0 Comment
  UC1045293  Camelina microcarpa Reed Rollins 1940-6-7 15094 Siskiyou along the Pacific Highway near Black Butte; Pacific Highway 1219 Comment
  SDSU8627  Camissonia tanacetifolia D. F. Howe 1972-7-8 4880 Siskiyou Grass Lake, 21 miles north of Weed on #97. 1524 Comment
  CAS-BOT-BC160905  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1923-8-19 3893 Siskiyou West side of Medicine Lake Comment
  CAS-BOT-BC160896  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-30 17898 Siskiyou U. S. Highway 97, 4.4 miles south of Dorris Comment
  SEINET10463096  Campanula prenanthoides Overton 1979-8-6 OVERTON 12917 Siskiyou Near Sutcliffe Creek, on the Preston Peak quadrangle; close to the town of Happy Camp 1158 Comment
  SEINET10463007  Campanula prenanthoides Young 1921-9-15 YOUNG ? Siskiyou ETNA MILLS Comment
  SEINET10463160  Campanula prenanthoides Rixford RIXFORD s.n. Siskiyou South side of Shaft-rock Comment
  SEINET12265040  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  RSA183736  Campanula rotundifolia Gilbert Muth 1965-8-18 235 Siskiyou Marble Mts.; trail behind Black Mt. Comment
  RSA264953  Campanula scouleri G. L. Clifton 1975-7-29 5043 Siskiyou Copper Butte. Near Seiad Valley. 1415 Comment
  SEINET10463782  Campanula scouleri Setchell 1902-7-26 SETCHELL s.n. Siskiyou Mount Shasta; Sisson Comment
  SEINET10872981  Campanula scouleri John G. Lemmon Lemmon s.n. Siskiyou Near Shasta Comment
  CAS-BOT-BC37192  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  CDA3667  Cardaria chalepensis E. Hale 1989-5-15 Siskiyou Bruce Street, between Fourth and Main, Yreka. 0 Comment
  UC52222  Cardaria draba W. T. Mooney 1903-5-1 Siskiyou Yreka Comment
  JEPS80500  Carex Gilbert Muth 1966-7-8 358 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  CAS-BOT-BC19764  Carex abrupta John Thomas Howell 1939-8-1 15192 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  HSC39336  Carex amplifolia J. O. Sawyer 1969-7-11 861 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CHSC62793  Carex angustata L. P. Janeway 1993-8-30 4561 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  CHSC78912  Carex aquatilis var. aquatilis Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. 1097 Comment
  RSA215574  Carex aquatilis var. dives Al Hobart 1970-8-25 s.n. Siskiyou Wet ground beside a small lake, northwestern Siskiyou County. 1524 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
  HSC43381  Carex bolanderi Marylyn O'Meara 1974-5-25 383 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 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
  CAS-BOT-BC19660  Carex brainerdii John Thomas Howell 1937-7-24 13427 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  UC672  Carex breweri W. H. Brewer 1862-9-13 1391 Siskiyou Mt. Shasta; ; Mt. Shasta 2743 Comment
  HSC81983  Carex buxbaumii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4855 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  HSC76386  Carex concinnoides L. P. Janeway 1982-7-10 58 Siskiyou Near Old Greyback Rd., 1/2 mi. above the W Branch Guard Station 747 Comment
  CAS-BOT-BC34381  Carex cusickii Elmer I. Applegate 1895-5-28 781 Siskiyou Sisson, Strawberry Valley. Comment
  POM80849  Carex feta Geo D. Butler 1910-7-15 1785 Siskiyou Oro Fino Comment
  CAS-BOT-BC20750  Carex fracta Lewis S. Rose 1936-7-29 36710 Siskiyou Shasta Springs. 762 Comment
  SEINET11310042 Image available Carex fracta Unknown 2009-1 24602 Siskiyou Yellow pine forest on Road A10 (Everett Memorial Highway), at McBride Springs Campground, SW slope of Mt. Shasta. Comment
  CAS-BOT-BC9328  Carex fracta Wm. Bridge Cooke 1939-7-7 13621 Siskiyou Mount Shasta. Lower Wagon Camp springs 1737 Comment
  JEPS93901  Carex gigas Vernon H. Oswald and Lowell Ahart 1998-8-3 9442 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  CAS-BOT-BC20468  Carex halliana Dean William Taylor; Glenn L. Clifton; R. Doug Stone 1987-8-6 9248 Siskiyou Extreme NE portion of county. Medicine Lake. About 300 NW of USFS guard station on road to Little Mt. Hoffman. 2039 Comment
  SEINET10650717  Carex halliana A. Arthur Heller 1922-7-15 Heller 13689 Siskiyou Plentiful in wet soil in the meadow at Medicine Lake, Canadian zone. 2134 Comment
  JEPS109250  Carex hassei D. W. Taylor 2005-9-28 19494 Siskiyou Scott Camp Creek Comment
  JEPS121602  Carex hassei Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Flat meadow on ultramafic soil. South China Mountain quadrangle. TF1_B Comment
  CAS-BOT-BC28082  Carex hoodii John Thomas Howell 1937-7-25 13484 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC7553  Carex infirminervia John Thomas Howell 1939-8-3 14989 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  JEPS106478  Carex inops subsp. inops J. K. Nelson 2004-7-4 2004 -66 Siskiyou SW side Mount Shasta, Mount Shasta Forest (private land) 1325 Comment
  CAS-BOT-BC7656  Carex integra John Thomas Howell 1939-8-3 15002 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC278771  Carex interior Peter F. Zika; Barbara Wilson 2011-7-31 25669 Siskiyou FS Road 41N03, 1.6 road miles from junction with Gazelle-Callahan Road, 1.5 air miles NE of Mountain House, 3.5 air miles NW of Crater Lake, Scott Mountains, Klamath Range (KR) 1600 Comment
  UCD140468  Carex interior A. A. Heller 1920-7-11 13411 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 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
  RSA237223  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Tom s Lake lower meadow. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  POM211466  Carex leporinella L. C. Wheeler 1934-8-9 3087 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  RSA13905  Carex leporinella L. C. Wheeler 1934-8-9 3087 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  HSC48041  Carex leptopoda D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Rd. 1677 Comment
  SEINET7566384 Image available Carex luzulina L. P. Janeway 2006-7-1 8719 Siskiyou Deadman Peak 7.5' Quad. Klamath Ranges, Salmon Mountains, just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  UC1026162  Carex mariposana Louis C. Wheeler 1934-7-21 3014 Siskiyou head Jaynes Canyon; Siskiyou Mts. Comment
  HSC29630  Carex mariposana Frederick W. Oettinger 1968-9-6 735 Siskiyou Marble Mtns. Wilderness Area, High Lake Basins, on trail NE of Tom's Lake 2165 Comment
  CHSC40172  Carex mendocinensis Lawrence Janeway 1982-6-22 19 Siskiyou Ca. 400 m ne of West Branch Guard Sta along the road into Indian Cr and near small creek crossing. 670 Comment
  CAS-BOT-BC32048  Carex multicaulis Alice Eastwood 1923-5-18 11849 Siskiyou Shasta Springs Comment
  JEPS87083  Carex multicaulis J. Kierstead 1991-6-20 91 -69 Siskiyou 1 mi s Mumbo Basin (at jct. of Forest Service Rds. 40N26 and 38N24); Mt. Shasta Ranger Dist. 1889 Comment
  UC495521  Carex multicaulis Geo. D. Butler 1909-7-15 853 Siskiyou Highland Mine 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
  RSA364653  Carex multicaulis Christopher Davidson 1975-6-5 2651 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  SEINET10713500  Carex multicaulis William B. Cooke 1941-8-28 Cooke 16237 Siskiyou Scattered through the dry Shasta Fir woods in the vicinity of Squaw Valley Creek, Mt. Shasta. 2286 Comment
  HSC29633  Carex multicostata Frederick W. Oettinger 1968-8-8 450 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  JEPS25660  Carex multicostata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7303 Siskiyou 4 air-line mi nne Preston Peak (meadow at Twin Valley just e of Del Norte county line); Siskiyou Mts., watershed of Indian Creek, Twin Valley 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
  JEPS101086  Carex nervina Dean W. Taylor 1987-8-5 9222 Siskiyou Tate Creek, at crossing of Forest Road 36N06 1484 Comment
  JEPS113332  Carex nervina L. P. Janeway 2006-7-3 8755 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. Comment
  POM248555  Carex nigricans W. Bridge Cooke 1938-7-21 11292 Siskiyou Heather meadow, Mt. Shasta. 2287 Comment
  RSA237285  Carex nigricans Frederick W. Oettinger 1969-9-4 1658 Siskiyou Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 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
  CHSC40159  Carex nudata L. P. Janeway 1983-7-2 355 Siskiyou Along northwest shore of Klamath River ca 1 mile west of Seiad Creek. 411 Comment
  UCR45815  Carex nudata L. P. Janeway 1984-6-21 461 Siskiyou Dillon Mtn. Q., East side of Klamath River at Persido Bar. 213 Comment
  SEINET10711622  Carex nudata A. Arthur Heller 1905-6-1 Heller 7921 Siskiyou Between Dunsmuir & Upper Soda Spring. Comment
  UC1147887  Carex pachycarpa Gilbert Muth 1966-10-16 3 Siskiyou Marble Mts. 1792 Comment
  CAS-BOT-BC119202  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  SEINET8989728 Image available Carex pachystachya Unknown 2006-1 8717 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow north side of South Fork Salmon River. Deadman Peak 7.5 quad. Comment
  UC822439  Carex pachystachya Louis C. Wheeler 1934-8-2 3014 Siskiyou head Jaynes Canyon; Siskiyou Mts. 2042 Comment
  SEINET10817663  Carex pachystachya Lawrence P. Janeway 1983-6-25 Janeway 327 Siskiyou Happy Camp quad. T18N, R6E, SE1/4 of sec. 23. Seep along edge of dirt road ca 350 m N of West Branch USFS Station towards Indian Cr. Serpentine; mixed conifer forest. 671 Comment
  CAS-BOT-BC118937  Carex pellita W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  RSA768927  Carex praegracilis L. Ahart, John Dittes 2010-7-30 16953 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  HSC90440  Carex rossii D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1829 Comment
  HSC68514  Carex rostrata Maralyn A. Renner 1980-6-26 1175 Siskiyou Flint Valley. 1390 Comment
  HSC76825  Carex scabriuscula L. P. Janeway 1982-8-14 135 Siskiyou Just E of Elk Wallow 1646 Comment
  HSC82381  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4535 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC91195  Carex scabriuscula Jennifer Whipple 1977-7-20 1997 Siskiyou N slopes of Mount Eddy 2500 Comment
  HSC91238  Carex scabriuscula Jennifer Whipple 1976-6-19 1050 Siskiyou Near Durney Lake 2073 Comment
  JEPS87797  Carex scabriuscula Vernon H. Oswald and Lowell Ahart 1994-8-1 6422 Siskiyou on the upstream side of Forest Rd. 26 ca. 0.5 mi (air) ne Gumboot Lake (w of Mt. Shasta (city), Gumboot Creek); Gumboot Creek 1783 Comment
  HSC30528  Carex scopulorum Frederick W. Oettinger 1969-8-19 1455 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  RSA238966  Carex scopulorum Frederick W. Oettinger 1968-8-2 353 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC96589  Carex scopulorum var. bracteosa Gordon Leppig, J. Kalt 1996-7-9 391 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC117259  Carex spectabilis William J. Ferlatte 1967-8-21 1066 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2286 Comment
  CHSC2107  Carex spectabilis N. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 1828 Comment
  JEPS40877  Carex spectabilis Paul C. Hutchison 1962-8-2 931 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2743 Comment
  UC1265389  Carex spectabilis Frederick W. Oettinger 1968-9-5 709 Siskiyou s end Diamond Lake; Salmon Mountains, Marble Mountain Wilderness 2072 Comment
  RSA238963  Carex spectabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1259 Siskiyou Lower pond, Tom s Lake Region. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS109254  Carex stipata var. stipata D. W. Taylor 2003-8-12 18670 b Siskiyou Weed, growing along Boise Creek near the Hwy 97 bridge. Comment
  POM254181  Carex straminiformis J. T. Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA186338  Carex straminiformis Gilbert Muth 1966-10-16 21 Siskiyou Marble Mountains 1793 Comment
  SEINET11638246  Carex straminiformis C. G. Pringle 1882-1 s.n. Siskiyou Mount Shasta 2438 Comment
  CAS-BOT-BC115834  Carex subfusca John Thomas Howell 1937-7-23 13338 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC115859  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  CAS-BOT-BC115862  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou Beside Cold Creek at the Military Road crossing ca 6 mi NW of Pilgrim Creek Experiment Station, Comment
  UCD140917  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiement Station, east side of Mt. Shasta. Comment
  JEPS121616  Carex utriculata Danielle Roach 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Abundant in flat fen, over gabbro. China Mountain quadrangle. CLB_A Comment
  HSC91405  Carex vesicaria Jennifer Whipple 1978-10-6 2422 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  UC1265469  Carex vesicaria var. major Frederick W. Oettinger 1968-9-4 693 Siskiyou Salmon Mountains, high lake basins in the vicinity of English Peak Marble Mountain wilderness area, along west shoreline of Abbott's Lake; white Fir Forest-Red Fir forest transition area 1722 Comment
  SEINET11998355  Cassiope mertensiana Unknown 1986-1 60402 Siskiyou SW of Cook & Green Pass, Kangaroo Mt 1920 Comment
  HSC668  Castilleja applegatei William J. Ferlatte 1967-7-9 684 Siskiyou Kidd Creek Trail 1829 Comment
  CAS-BOT-BC249372  Castilleja applegatei Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mt., Marble Mts. Comment
  HSC91203  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1976-7-2 1249 Siskiyou Along stream draining Durney Lake 2073 Comment
  HSC77054  Castilleja arachnoidea K. T. Stillman 1976-7-7 166 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  SEINET10744867  Castilleja arachnoidea Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 869 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. T41N R3W S33 NW 1/4. 2399 Comment
  UC313766  Castilleja arachnoidea David D. Keck 1926-8-16 308 Siskiyou Horse Camp Mt. Shasta (s side of Mt. Shasta) 2468 Comment
  RSA153437  Castilleja arachnoidea L. T. Dempster, Clare B. Hardham 1961-7-1 1842 Siskiyou Along ridge from Condry Peak to White Mtn., about 1.5 mi. e. of White Mtn. Siskiyou Mountains; watershed between Dutch Creek (Applegate River) and Horse Creek (Klamath River). 1890 Comment
  JEPS124594 Image available Castilleja lacera M. R. Kempf 1965-7-14 316 Siskiyou Located within 5 ft. from road - collected 4 miles west of Siskiyou Co., Calif. Dead Horse Summit. Comment
  JEPS23774  Castilleja miniata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6889 Siskiyou Poker Flat; Siskiyou Mountains 1536 Comment
  JEPS3904  Castilleja miniata W. L. Jepson 1894-8-4 21469 Siskiyou Mount Shasta Comment
  CAS-BOT-BC252479  Castilleja miniata Geo. D. Butler 1910-7-9 1692 Siskiyou Shackleford Creek. Flora of Siskiyou Co. Comment
  CAS-BOT-BC253622  Castilleja miniata L. R. Abrams 1926-7-4 11232 Siskiyou 1 mile west of Mt. Shasta City on road to Abrams Lake Comment
  CAS-BOT-BC254025  Castilleja miniata G. Muth 1965-7-29 s.n. Siskiyou Meadow below marble rim Comment
  HSC19256  Castilleja miniata J. O. Sawyer 1969-7-18 1423 Siskiyou E of Russian Lake 2043 Comment
  HSC19032  Castilleja pruinosa J. O. Sawyer 1969-6-2 1019 Siskiyou Summit above Albert Lake 2256 Comment
  SBBG6821  Castilleja pruinosa H. and M. Dearing 1939-6-19 3679 Siskiyou French Crk Comment
  SFV8660  Castilleja pruinosa J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3752 Siskiyou Marble Mountain Wilderness Area. Southwestern ridge of Black Mountain. Southeast facing slope on decomposed marble scree. 2134 Comment
  UC26483  Castilleja pruinosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC585167  Castilleja pruinosa E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1881 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed, n slope of Mt. Shasta); Mt. Shasta 1249 Comment
  JEPS26517  Castilleja pruinosa Lauramay T. Dempster 1961-6-1 1839 Siskiyou from Condry Peak to White Mountain (along ridge) Comment
  POM42524  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mts. 1220 Comment
  RSA700165  Castilleja pruinosa Noel Holmgren, James L. Reveal 1966-6-9 2674 Siskiyou Siskiyou mountains, O'Brien-Happy Camp road, 15 miles north of Happy Camp (Indian Creek drainage). 960 Comment
  CAS-BOT-BC241083  Castilleja schizotricha Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  SEINET13737296  Castilleja schizotricha G. D. Butler 1910-7-9 1711 Siskiyou Wooley Creek. 1676 Comment
  CHSC57458  Castilleja tenuis L. P. Janeway 1984-6-21 863 Siskiyou Garvey Bar, south side Klamath River just east of humbug Point. 594 Comment
  JEPS4340  Castilleja tenuis W. L. Jepson 1940-7-3 20100 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  JEPS68264  Castilleja tenuis L. R. Heckard 1972-5-31 2938 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  JEPS79524  Castilleja tenuis L. R. Heckard 1980-7-12 5407 Siskiyou ca 10 air mi ne Weed (meadow border at sw end of Grass Lake, n of state highway maintenance station); Grass Lake Comment
  HSC103024  Catalpa bignonioides J. P. Smith 2014-6-6 13882 Siskiyou Along State Route 96, east of its junction with Dutch Creek Road, along bank of the Klamath River 589 Comment
  CHSC1498  Ceanothus cordulatus V. Keeler 1935-5-9 Siskiyou Near Mt. Shasta City. 1097 Comment
  RSA25623  Ceanothus cordulatus Carl B. Wolf 1941-7-25 11072 Siskiyou 2 miles E of McCloud on Hwy 89 1220 Comment
  CAS-BOT-BC48389  Ceanothus cuneatus Doris K. Kildale 1929-5-12 7804 Siskiyou Sawyers Bar north fork of Salmon River Comment
  SEINET11616398 Image available Ceanothus incanus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson Comment
  CAS-BOT-BC63603  Ceanothus integerrimus Clarence R. Quick 1958-6-17 58 -27 Siskiyou Near Black Bear Summit s. of Sawyer's Bar on ridge road to cecilville. 1356 Comment
  CAS-BOT-BC53096  Ceanothus prostratus Ira L. Wiggins 1950-5-28 12364 Siskiyou Margins of Carmen Lake, about 1.5 miles east of Scott Mountain Road 1737 Comment
  HSC33967  Ceanothus prostratus J. P. Smith 1974-5-25 7433 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC43473  Ceanothus prostratus Maralyn O'Meara 1974-5-25 385 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  HSC67830  Ceanothus prostratus J. O. Sawyer, J. Cole 1980-7-22 3974 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  JEPS42257  Ceanothus prostratus Willis L. Jepson 1894-8-4 14022 Siskiyou Mt. Shasta Comment
  RSA399821  Ceanothus prostratus Bonnie C. Templeton 1960-6-21 8546 Siskiyou Near summit of Scott Mt. Comment
  UC54493  Ceanothus prostratus H. M. Hall and E. B. Babcock June, 1903 4032 Siskiyou around Dunsmuir; Sierra Nevada Mountains, around Dunsmuir 609 Comment
  UC909362  Ceanothus prostratus Ira L. Wiggins 1950-5-28 12364 Siskiyou ca 1.5 mi e Scott Mountain Road (margins of Carmen Lake); margins of Carmen Lake 1737 Comment
  JEPS42159  Ceanothus velutinus L. N. Lorenzen 1920-7-19 Siskiyou Sisson Comment
  UCR47854  Ceanothus velutinus 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
  HSC69563  Ceanothus velutinus var. velutinus Maralyn A. Renner 1980-8-6 2282 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  CHSC3220  Centaurea cyanus Gerry Carrauthers 1966-5-14 165 Siskiyou 4 mi. N.W. of Callahan. Comment
  UCD130123  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka. Comment
  CAS-BOT-BC384969  Cerastium arvense K. T. Stillman 1976-8-7 209 Siskiyou Marble Mountain Wilderness Area 1950 Comment
  JEPS88003  Cerastium arvense Barbara Ertter 1990-7-14 9339 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); e side of Mt. Eddy, Wagon Creek 1828 Comment
  RSA215611  Cerastium arvense Gilbert Muth 1969-8-6 1199 Siskiyou Boulder Peak. 2530 Comment
  CAS-BOT-BC384990  Cerastium dichotomum C. S. Giebner 1963-4-30 s.n. Siskiyou Chili Hammond prop., halfway bet. Yreka and Montague Comment
  CAS-BOT-BC135449  Cercocarpus betuloides var. betuloides L. E. Smith 1913-5-14 209 Siskiyou Yreka Comment
  JEPS45537  Cercocarpus betuloides var. macrourus Geo. D. Butler 1908-7-4 286 Siskiyou below Yreka (Shasta River); Shasta River Comment
  HSC101733  Cercocarpus ledifolius Michael Kauffmann 2013-5-27 13 Siskiyou West ridgeline above Wright Lake 2222 Comment
  HSC68509  Cercocarpus ledifolius Maralyn A. Renner 1980-6-9 840 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC76915  Cercocarpus ledifolius K. T. Stillman 1976-6-26 127 Siskiyou Marble Mountain Wilderness Area; Top of pass from Bear Valley 2012 Comment
  CAS-BOT-BC148516  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1937-7-25 13467 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC148524  Cercocarpus ledifolius var. ledifolius L. E. Smith 1913-4-10 65 Siskiyou Bray Comment
  CAS-BOT-BC276755  Chaenactis douglasii var. douglasii Louis C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mountains 1280 Comment
  HSC253  Chaenactis douglasii var. douglasii William J. Ferlatte 1967-8-23 1086 Siskiyou Head of Kidd Creek; E side of Black Mtn. 2134 Comment
  HSC60902  Chaenactis douglasii var. douglasii Al Hobart Siskiyou Black Butte Comment
  SBBG29101  Chamaebatiaria millefolium J. W. Thompson 1936-7-8 13151 Siskiyou lava slopes of Lava Beds Nat Monument Comment
  HSC68305  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-4 1421 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  SEINET11052218  Chamaecyparis lawsoniana A. T. Leiser 1968-9-4 s.n. Siskiyou Scott Camp Creek, near Methodist Camp, SW of Castle Lake turnoff. Comment
  RSA571805  Chamaesyce serpillifolia W. Bridge Cooke 1941-9-5 16258 Siskiyou Along the Memorial Highway, Mt. Shasta. 1372 Comment
  CAS-BOT-BC160568  Chamerion angustifolium Gilbert Muth 1965-8-12 s.n. Siskiyou 2/3 up meadow on back of Blk. Mt. 2133 Comment
  CAS-BOT-BC166095  Chamerion angustifolium subsp. circumvagum Edward Lee 1934-8-13 1069 Siskiyou Happy Camp - Waldo (Oregon) Road. Watershed of West Branch of Indian Creek. Klamath Nat. Forest 1371 Comment
  HSC96826  Chamerion angustifolium subsp. circumvagum S. Lyon 2006-7-18 11 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of intersection with Sawyers Bar Rd. 915 Comment
  UC454600  Chamerion angustifolium subsp. circumvagum I. J. Condit 1911-7-3 Siskiyou along river Sacramento River, Shasta Retreat Comment
  UC873180  Chamerion angustifolium subsp. circumvagum A. A. Heller 1916-6-23 12434 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  HSC99982  Cheilanthes gracillima Thomas W. Nelson, & Sydney Carothers 2005-7-17 9390 Siskiyou Etna Summit along Etna-Forks of the Salmon Rd.. 1804 Comment
  RSA238391  Chenopodium Frederick W. Oettinger 1969-8-24 1533 Siskiyou English Lake; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  JEPS75210  Chenopodium botrys W. B. and V. G. Cooke 1975-9-3 50487 Siskiyou Ash Creek Area Mt. Shasta (at Military Pass Rd.) Comment
  RSA238329  Chimaphila menziesii Frederick W. Oettinger 1969-8-5 417 Siskiyou Forest on s. side Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC452269  Chimaphila umbellata Dr. E. B. Copeland 1903-8-15 s.n. (distributed as C.F. Baker's 3828 ) Siskiyou Mt. Shasta 1828 Comment
  CAS-BOT-BC452281  Chimaphila umbellata Doris K. Kildale 1930-6-1 9787 Siskiyou Black Bear trail to Sawyer's Bar Comment
  HSC40202  Chimaphila umbellata Jerry Parker 1968-10-6 132 Siskiyou Salmon Mtns., above Little Duck Lake Comment
  JEPS83826  Chimaphila umbellata Wayne Roderick July 1978 Siskiyou vicinity of Cook & Green Pass; Siskiyou Mts. 1463 Comment
  SD53384  Chimaphila umbellata Darley F. Howe 1962-8-4 3386 Siskiyou Baldy Mt., damp hillside Comment
  CAS-BOT-BC39666  Chorispora tenella S. D. Nelson 1951-4-27 s.n. Siskiyou 1 mile northwest of Gazelle. Comment
  POM208524  Chorizanthe membranacea Louis C. Wheeler 1934-6-9 2665 Siskiyou Klamath River between Dutch Creek and Deadman Gulch, Siskiyou Mountains 671 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-BC140656  Chrysothamnus humilis Elmer I. Applegate 1935-8-3 10019 Siskiyou Crater rim of Caldwell Butte, Lava Beds National Monument Comment
  UC1540152  Chrysothamnus humilis Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9253 Siskiyou Caldwell Butte, on crater floor at n interior Lava Beds National Monument, Caldwell Butte 1499 Comment
  CDA14222  Chrysothamnus nauseosus subsp. albicaulis G. F. Hrusa 1997-9-18 14104 Siskiyou Summit of Pass between Calahan & Gazelle, W of Mountain House. Comment
  CAS-BOT-BC279847  Cichorium intybus L. E. Smith 1912-7-1 s.n. Siskiyou McCloud Comment
  RSA603491  Cichorium intybus L. C. Wheeler 1935-6-27 3614 Siskiyou Greenview, Scott Valley. 884 Comment
  HSC19173  Circaea alpina subsp. pacifica J. O. Sawyer 1969-8-4 1889 Siskiyou Above S Sugar Lake 2043 Comment
  HSC19235  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-18 1408 Siskiyou Head of S Russian Creek 1829 Comment
  UC1190126  Circaea alpina subsp. pacifica Ira L. Wiggins 1955-7-23 13469 Siskiyou China Creek 1097 Comment
  UC922409  Circaea alpina subsp. pacifica Annie M. Alexander and Louise Kellogg 1949-7-28 5874 Siskiyou Marble Mts., Sky High Valley 1767 Comment
  JEPS81788  Cirsium andersonii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6829 Siskiyou U.S. Forest Service camp ground at Scott Mtn. road summit Scott Mtn. (boundary of Siskiyou and Trinity Cos.) 1646 Comment
  CAS-BOT-BC278040  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  CAS-BOT-BC279892  Cirsium douglasii var. breweri R. Ornduff; J. R. Swanson 1960-7-27 6271 Siskiyou About one mile north of Trinity County line on road from Scott Mountain to Trinity Center Comment
  CAS-BOT-BC285574  Cirsium occidentale var. candidissimum Alice Eastwood 1912-8-28 1957 Siskiyou Cantara Comment
  CAS-BOT-BC286465  Cirsium scariosum Alice Eastwood; John Thomas Howell 1936-6-13 2759 Siskiyou 5 miles n. of Gazelle Comment
  CAS-BOT-BC286471  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  OBI54127  Cirsium scariosum var. robustum David J. Keil, Kathleen Keil 1992-7-24 23571 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta county line Comment
  CDA7429  Cirsium vulgare T. C. Fuller 1962-8-3 9501 Siskiyou Siskiyou Mountains: 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  HSC44502  Clarkia gracilis subsp. gracilis K. Irwin 1977-5-22 390 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  CDA38037  Clarkia purpurea subsp. quadrivulnera T. C. Fuller 1958-6-19 1803 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC164970  Clarkia rhomboidea A. A. Heller 1916-6-23 12435 Siskiyou Near Black Butte north of Sisson 1127 Comment
  HSC64528  Clarkia rhomboidea J. P. Smith, Steve Selva 1970-6-16 3998 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  UC164469  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou near Hawkinsville Comment
  UC61179  Clarkia rhomboidea W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC164968  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou Dry land near Hawkinsville Comment
  RSA237658  Clarkia rhomboidea Frederick W. Oettinger 1969-7-28 1086 Siskiyou Dry open granite slope above first part of Tom s Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC439104  Claytonia cordifolia Annie M. Alexander; Louise Kellogg 1949-7-24 5870 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  UC412619  Claytonia parviflora subsp. parviflora Milo S. Baker 104 Siskiyou Igerna Comment
  JEPS94258  Claytonia rubra subsp. depressa Vernon H. Oswald and Lowell Ahart 1998-6-11 9219 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  CAS-BOT-BC443812  Claytonia rubra subsp. rubra L. E. Smith 1913-5-12 s.n. Siskiyou Dunsmuir Comment
  UC1408943  Claytonia rubra subsp. rubra Frederick W. Oettinger 1969-7-29 1105 Siskiyou Uncle's Lake Salmon Mountains, Marble Mountain Wilderness Area, English P (vicinity of English Peak, w Siskiyou County) 1859 Comment
  CHSC1382  Claytonia saxosa A. Anderson 1962-3-14 Siskiyou Scott Valley. 914 Comment
  CLARK-A1528-7828  Claytonia sibirica John C. Roos 1948-9-1 3982 Siskiyou Etna Comment
  JEPS100601  Claytonia umbellata Dean W. Taylor 1988-7-11 9974 Siskiyou headwaters of Eddy Creek; The Eddys, Trinity Mountains; The Eddys, Trinity Mountains, headwaters of Eddy Creek and western tributary of Dale Creek; on ridgetop 0.2 to 0.8 east from summit of Forest Road 40N45. 2377 Comment
  CAS-BOT-BC92759  Clematis ligusticifolia Geo. D. Butler 1910-8-3 1810 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC92762  Clematis ligusticifolia Carl B. Wolf 1927-8-26 1020 Siskiyou On the Klamath River, 5 miles below Hornbrook. Comment
  CAS-BOT-BC92767  Clematis ligusticifolia William Bridge Cooke 1940-6-20 15183 Siskiyou Above the Pacific Highway in the Klamath Gorge. 609 Comment
  SJSU2574  Clinopodium douglasii H. L. Buckalew 1962-7-7 Siskiyou junction of Indian Cr & W Branch Indian Cr, Siskiyou Mts Comment
  RSA120217  Clintonia uniflora S. S. Tillett 1956-7-11 691 Siskiyou On N side Scott Mtn. divide near campground; Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1616 Comment
  UC843793  Clintonia uniflora L. E. Smith 1913-9-1 558 Siskiyou Mount Eddy Comment
  CAS-BOT-BC500958  Clintonia uniflora Mabel E. Stonehouse 1916-6-17 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC500963  Clintonia uniflora I. J. Condit 1911-7-1 s.n. Siskiyou Sisson Comment
  RSA181619  Clintonia uniflora Dorothy Parker 1950-6-25 462 Siskiyou Duck Lake Creek, Salmon Mountain. 1524 Comment
  JEPS6203  Collinsia linearis W. L. Jepson 1907-7-19 2941 Siskiyou East Fork Illinois River, headwaters East Fork Illinois River; Siskiyou Mtns Comment
  HSC36426  Collinsia parviflora J. O. Sawyer 1969-7-18 1406 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  UC169329  Collinsia parviflora Harley P. Chandler Jun 1901 1686 Siskiyou North Coast Ranges, Marble Mountain Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  JEPS7273  Collinsia rattanii Geo. D. Butler 1909-4-25 609 Siskiyou Quartz Valley Comment
  SBBG18759  Collinsia rattanii C. B. Hardham 1961-7-2 8056 Siskiyou Salmon Mtn Summit 1828 Comment
  UC168969  Collinsia torreyi var. latifolia Harley P. Chandler Jun 1901 1620 Siskiyou near Marble Mountain (North Coast Ranges, Upper Cottei Valley (=Cuddihy Valley)); North Coast Ranges, Upper Cottei Valley 2133 Comment
  UC1096791  Collomia grandiflora Barbe 1957-7-13 377 Siskiyou in dry w slope along the path to the spring Klamath National Forest, Big Flat Public Camp (w side of camp) Comment
  JEPS71017  Collomia grandiflora Ruby Van Deventer 1938-7-31 192 Siskiyou on Del Norte-Siskiyou boundary Summit Siskiyou Mts. 1158 Comment
  HSC68370  Collomia heterophylla J. P. Smith 1973-5-5 6373 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  JEPS71071  Collomia tinctoria S. Brown July 1900 Siskiyou Sisson Comment
  UCD77564  Collomia tinctoria Robert E. Preston 2001-7-21 1733 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 2158 Comment
  UC4425  Corallorhiza maculata C. B. Bradley 1879-1 Siskiyou Comment
  UC1299376  Corallorhiza mertensiana Freed W. Hoffman 1948-8-7 2661 Siskiyou between West Branch Public Camp and California-Oregon state line (Waldo-Happy Camp Rd.); North Coast Ranges 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
  UCSB61656  Cordylanthus tenuis Bacigalupi, Rimo 1954-8-13 Siskiyou Lower part of grade over Scott Mountain, on road from Callahan to Carrville, 1.2 mi. above (& So. of) junction with Gazell road 1097 Comment
  HSC38715  Cordylanthus tenuis subsp. pallescens J. D. Ackerman, A. M. Montalvo 1975-7-18 572 Siskiyou S fork of Sacramento River, off USFS Rd. 40N30, between Mt. Eddy and Boulder Pk., SW of Mt. Shasta City Comment
  SEINET3863430  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Dick Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Raod.; 0 996 Comment
  RSA264956  Cordylanthus tenuis subsp. viscidus Gilbert Muth 1975-7-31 6181 Siskiyou Near Joe Creek. Near Seiad Valley. 1317 Comment
  HSC36710  Cornus canadensis Brent Whitely 1975-7-8 148 Siskiyou 762 Comment
  RSA397467  Cornus nuttallii B. C. Templeton 1957-6-22 7747 Siskiyou Near the summit of Scott Mt. Comment
  CAS-BOT-BC210389  Cornus sericea Annie M. Alexander; Louise Kellogg 1948-9-6 5586 Siskiyou Siskiyou Mountains. At Matthews Creek, South Fork Salmon River Comment
  CAS-BOT-BC210405  Cornus sericea Alice Eastwood 1912-9-3 2082 Siskiyou Sisson Comment
  JEPS50180  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-21 86 Siskiyou Etna Creek 1219 Comment
  CAS-BOT-BC210527  Cornus sessilis Doris K. Kildale 1928-7-3 5439 Siskiyou Little North Fork Salmon River Comment
  UC637074  Corylus californica Edward Lee 1934-8-14 1111 Siskiyou Little Grayback 1851 Comment
  POM106652  Corylus cornuta var. californica Geo. D. Butler 1910-4-1 1150 Siskiyou Humbug Mountain. Comment
  JEPS19781  Crepis acuminata Rimo Bacigalupi with S. Galen Smith 1957-6-26 5943 Siskiyou along road to Gumboot Lake about 11 mi sw Mt. Shasta town; Scott Camp Ridge 1219 Comment
  JEPS125929  Crepis monticola D. W. Taylor 1996-6-28 15756 Siskiyou Antelope Mountain, ca 8 air miles S of Yreka Comment
  UC429491  Crepis monticola Morris Halperin 1930-5-17 Siskiyou around Yreka (Geo. Gray of Yreka, prop. of ranch); Schulmeyer Gulch Comment
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May 9 2008
  POM29158  Crepis monticola Geo. D. Butler 1910-1 148 Siskiyou Thickets near Yreka Comment
  RSA75628  Crepis occidentalis subsp. conjuncta Albert M. Vollmer, L. Beane 1951-5-31 28 Siskiyou Scott Mountain Comment
  CAS-BOT-BC376176  Crepis pleurocarpa Andrew Townesmith; Karen M. Meyer 2007-8-1 879 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  CAS-BOT-BC376478  Crepis pleurocarpa Annie M. Alexander; Louise Kellogg 1949-7-29 5890 Siskiyou Top of ridge above Sky High Lake. Sky High Valley, Marble Mountains 1920 Comment
  HSC19047  Crepis pleurocarpa J. O. Sawyer 1969-7-2 1038 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  CHSC32080  Crocidium multicaule L. Ahart 1973-3-13 166 Siskiyou Hillsides near Fort Jonces. 762 Comment
  HSC43838  Crocidium multicaule Maralyn O'Meara 1974-5-27 494 Siskiyou 7.4 mi. NE of Ft. Jones on Hwy. 3 1159 Comment
  JEPS22546  Crocidium multicaule George D. Butler 1909-3-7 553 Siskiyou near Yreka (upper field of Butler's Ranch) Comment
  UC166184  Crocidium multicaule Geo. D. Butler 1909-3-7 553 Siskiyou drylands near Yreka Comment
  HSC39750  Crocidium multicaule J. O. Sawyer 1970-4-4 2084 Siskiyou Along Sugar Creek 823 Comment
  POM72947  Cryptantha clevelandii var. dissita Geo. D. Butler 1910-5-27 1416 Siskiyou Dry hill near Yreka. Comment
  JEPS67620  Cryptantha intermedia M. K. Curran Jul 1887 Siskiyou Edgewood Comment
  JEPS125890  Cryptantha milobakeri Dean W. Taylor 1996-7-11 15786 Siskiyou Shasta Trinity National Forest; Scott Mountains, ridge dividing West Fork Parks Creek drainage from Willow Creek drainage, ca 15 air miles W of Weed and 3 air miles W of Stewart Springs. Comment
  SBBG25894  Cryptantha torreyana D. Myrick 1966-8-9 1508 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC70484  Cryptogramma acrostichoides John Thomas Howell 1937-7-26 13525 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA758587  Cryptogramma acrostichoides R. F. Thorne 1969-8-2 63393 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  SEINET14387696  Cryptogramma cascadensis W. Bridge Cook 1941-1 16304 Siskiyou Scattered through lava slopes above Horse Camp, Mt Stasta 2515 Comment
  CAS-BOT-BC70534  Cryptogramma cascadensis W. B. C. 1938-8-18 11502 Siskiyou Lower Horse Camp Slopes above Horse Camp 2514 Comment
  CAS-BOT-BC80552  Cupressus bakeri Oliver V. Matthews 1939-7-11 31 Siskiyou Seiad Grove 1463 Comment
  CAS-BOT-BC80557  Cupressus bakeri C. O. Stone 1964-6-20 290 Siskiyou unspecified 1085 Comment
  JEPS39746  Cupressus bakeri W. L. Jepson 1914-8-11 5764 Siskiyou Lava beds, SE Siskiyou Co., W of Little Hot Springs Valley 1036 Comment
  NY16595  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou Approximately 100 yards northeast of Quarry 1109.5 Comment
  NY16605  Cupressus bakeri C. B. Wolf 1934-10-9 6170 Siskiyou Siskiyou Mountains, above West Fork of Seiad Creek, 0.75 miles above forks of creek 1158.2 Comment
  POM264954  Cupressus bakeri O. V. Matthews 1939-7-14 34 Siskiyou North-westerly Grove, Goose Nest Region 1524 Comment
  RSA22763  Cupressus bakeri O. V. Matthews 1939-7-13 33 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  RSA352345  Cupressus bakeri C. B. Wolf, ER Johnson 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mile NE of Timbered Crater on old Stage road from Dana to Little Hot Springs Valley 1220 Comment
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Mar 29 2012
  UC1321452  Cupressus bakeri C. O. Stone 1964-6-6 COS 286 Siskiyou recent lava flow n of Timbered Crater (on old jeep trail to Gassaway Reservoir); Fall River Mills Quad. 1097 Comment
  UC650675  Cupressus bakeri Oliver V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove Cook and Green Region, Sullivan Mine Grove 1066 Comment
  CAS-BOT-BC80560  Cupressus bakeri John Kipping 1970-9-8 s.n. Siskiyou between e. and w. forks of Seiad Creek, Siskiyou Mts. 853 Comment
  RSA50554  Cupressus bakeri C. B. Wolf 1944-10-29 11479 Siskiyou NE side Goose Nest Mt., about 1 mile south of Goose Nest Road #1 leading off the Montague to Mt. Hebron road 1677 Comment
  JEPS24800  Cuscuta howelliana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6809 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  UC184030  Cyperus squarrosus Geo. D. Butler 1910-8-13 1835 Siskiyou Oro Fino Comment
  UC1478233  Cystopteris fragilis G. D. Barbe, J. T. Howell, and T. C. Fuller 1980-4-29 2637 Siskiyou 3.2 km e of Callahan (ca. 150 m e of Highway 3 bridge, beside Callahan/Gazelle Rd) 976 Comment
  UC1483412  Cystopteris fragilis Maralyn A. Renner 1980-7-23 1841 Siskiyou near ridge about 1 mi e of Cook and Green Pass; Klamath Nat'l Forest, Seiad Valley Quadrangle, Pacific Crest 1752 Comment
  CAS-BOT-BC192256  Danthonia californica John Thomas Howell 1939-8-5 15076 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1108540  Danthonia californica var. americana Ira L. Wiggins 1955-7-27 13551 Siskiyou Caribou Lake Salmon River-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC76239  Darlingtonia californica Mrs. Brandegee 1895-1-1 s.n. Siskiyou Mount Shasta. Comment
  CAS-BOT-BC76242  Darlingtonia californica Wayne Roderick 1967-7-28 s.n. Siskiyou At head of Gumboot Lake, southwest of Mount Eddy. 1828 Comment
  CHSC95121  Darlingtonia californica L. P. Janeway 2006-7-4 8780 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fe ... Field redacted by CHSC, contact the data manager for more information 1728 Comment
  JEPS82708  Darlingtonia californica Wayne Roderick 1984-6-7 Siskiyou n side Mt. Eddy (Road 17 up); n side Mt. Eddy 1706 Comment
  CAS-BOT-BC76247  Darlingtonia californica J. H. Thomas 1949-6-16 959 Siskiyou Between Fort Jones and Etna. Comment
  CAS-BOT-BC141832  Dasiphora fruticosa W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  UCR142704  Datura stramonium L. C. Wheeler 1934-10-13 3319 Siskiyou Siskiyou Mountains, Klamath River near Skunk Gulch 610 Comment
  CHSC71318  Delphinium andersonii Vernon H. Oswald; Lowell Ahart 1998-6-11 9227 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
  CAS-BOT-BC9572  Delphinium antoninum Alice Eastwood; John Thomas Howell 1937-6-26 5036 Siskiyou Salmon Mts., 10 miles SW of Etna Comment
  CAS-BOT-BC9889  Delphinium nudicaule Elmer Ivan Applegate 1895-5-29 10 a Siskiyou Sisson Comment
  SEINET10833584  Delphinium nudicaule Mary Merello 1993-6-22 Merello 687 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  UC375267  Delphinium nudicaule Geo. D. Butler 1909-4-18 599 Siskiyou Humbug Mountain Comment
  UC1190185  Delphinium nuttallianum Ira L. Wiggins 1955-7-27 13544 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC116172  Delphinium nuttallianum Clare Butterworth Hardham 1961-7-3 8070 Siskiyou Scott Mountains, South of Calahan. Comment
  HSC36879  Delphinium nuttallianum J. P. Smith 1974-5-26 7545 Siskiyou Along FS Rd. 47N03 1524 Comment
  POM99356  Delphinium nuttallianum Geo. D. Butler 1910-3-29 1142 Siskiyou Near Yuka Comment
  UC69612  Delphinium variegatum subsp. variegatum F. W. Hooper Siskiyou Little Shasta Valley. Comment
  UCR142761  Deschampsia cespitosa subsp. cespitosa L. C. Wheeler 1934-8-14 3128 Siskiyou Siskiyou Mtns, North side of White Mountain 1768 Comment
  CAS-BOT-BC201634  Deschampsia danthonioides Louis C. Wheeler 1934-6-10 2674 Siskiyou Klamath National Forest. Hungry Cr. 1097 Comment
  UCD114762  Descurainia pinnata R. E. Preston 1982-5-1 275 A Siskiyou 0.75 mile south of Camp Creek campground, Irongate Reservoir. 701 Comment
  HSC19282  Dicentra formosa J. O. Sawyer 1968-7-10 486 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC67514  Dicentra formosa J. P. Smith 1973-5-5 6480 Siskiyou Along Cook and Green Pass Rd. Comment
  SEINET10573675 Image available Dicentra pauciflora John G. Lemmon 1879-7-12 Lemmon s.n. Siskiyou Scott Mountain. Comment
  CAS-BOT-BC502224  Dichelostemma ida-maia Geo. D. Butler 1909-7-15 889 Siskiyou Salmon Range 1828 Comment
  RSA237876  Dichelostemma ida-maia Frederick W. Oettinger 1969-8-3 1145 Siskiyou Off the trail and uphill from the stock gate on the English Lake - Abbotts Upper cabin trail. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC46229  Dichelostemma multiflorum Jennifer Whipple 1978-6-5 2340 Siskiyou Weston Gulch in Scott Valley 854 Comment
  SEINET7040105  Dichelostemma multiflorum A. G. Vestal 1963-6-1 s.n. Siskiyou 2.8 miles north of Montague. Hawkinsville Quad. UTM Zone 10, 539617mE, 4625157mN. Comment
  SEINET7839015 Image available Dieteria canescens G. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  CAS-BOT-BC291004  Dieteria canescens var. shastensis Robert F. Thorne; Fred Oettinger 1969-8-10 39003 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  CAS-BOT-BC291021  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-7-28 11365 Siskiyou Mount Shasta. North Ridges 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
  CAS-BOT-BC290999  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-8-5 11439 Siskiyou Mount Shasta. MacBridge Spring Road Comment
  HSC92724  Dieteria canescens var. shastensis Jennifer Whipple 1976-7-24 1548 Siskiyou Dobkins Lake Drainage on East-facing slopes above Dobkins Lake 2256 Comment
  CAS-BOT-BC153456  Diplacus layneae Alice Eastwood 1923-5-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC153728  Diplacus nanus John Thomas Howell 1937-7-21 13174 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC153727  Diplacus nanus C. L. Hitchcock; J. S. Martin 1939-7-9 5318 Siskiyou Between King's Castle and Black Mt., west side of ridge 1828 Comment
  UC163725  Disporum hookeri Geo. D. Butler 1910-4-22 1222 Siskiyou Kidder Creek Comment
  SEINET10558103  Distichlis spicata Louis C. Wheeler 1935-6-30 Wheeler 3642 Siskiyou Dry subsaline adobe flat, 3 mi. S. Grenada, Shasta Valley. 792 Comment
  HSC19278  Dodecatheon alpinum J. O. Sawyer 1968-6-25 325 Siskiyou Along Horse Range Creek 1829 Comment
  UC1733727  Dodecatheon hendersonii Kay H. Beach, Frank Gould 1940-5-15 624 Siskiyou upper Bull Meadows Bull Meadows Comment
  HSC19085  Dodecatheon jeffreyi J. O. Sawyer 1969-7-3 1039 Siskiyou Near Lipstick Lake 1951 Comment
  HSC45210  Dodecatheon jeffreyi J. O. Sawyer, E. Cope 1977-6-20 2965 Siskiyou Behind Devil's Punchbowl 1829 Comment
  UC1190250  Dodecatheon jeffreyi Ira L. Wiggins 1955-7-27 13545 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC1258459  Draba howellii Maralyn A. Renner 1980-8-7 2376 Siskiyou nw flank of Preston Peak Klamath National Forest, Preston Peak Quad. (near summit) 2179 Comment
  JEPS20039  Draba nemorosa George D. Butler 1909-4-4 575 Siskiyou Butcher Hill near Yreka; Butcher Hill near Yreka Comment
  HSC76967  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mtn. Wilderness Area, ridge top just N of Black Mtn. 2104 Comment
  UC880657  Draperia systyla Alice Eastwood 1912-7-23 1347 Siskiyou Cantara Comment
  UC1045245  Drosera rotundifolia W. Bridge Cooke 1940-7-5 15269 Siskiyou Wagon Camp Mount Shasta (sedge swamp) Comment
  HSC28659  Drosera rotundifolia Frederick W. Oettinger 1969-7-31 1113 Siskiyou Marble Mtn. Wilderness Area, W above English Lake 1829 Comment
  JEPS80530  Drymocallis Gilbert Muth 1966-7-17 405 Siskiyou trail to Lookout (Marble Mt. Wilderness Area); Marble Mountain Wilderness Area 1828 Comment
  HSC62264  Drymocallis ashlandica Al Hobart 1968-6-13 Siskiyou Youngs Valley Comment
  CAS-BOT-BC159680  Drymocallis glandulosa Gilbert Muth 1966-7-17 405 Siskiyou Trail to Lookout, Marble Mts. 1828 Comment
  CAS-BOT-BC159436  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  JEPS47176  Drymocallis lactea var. austiniae W. L. Jepson 1937-7-30 18554 Siskiyou Poker Flat Siskiyou Mts., , Poker Flat (headwaters of Indian Creek) 1584 Comment
  UC73027  Drymocallis lactea var. austiniae Milo S. Baker Aug. 1897 Siskiyou Mt. w Medicine Lake (near to); Mt. West of Medicine Lake 3048 Comment
  CAS-BOT-BC159291  Drymocallis lactea var. lactea Gilbert Muth 1966-7-31 470 Siskiyou North side of Black Mountain, Marble Mts. 1981 Comment
  HSC29474  Drymocallis lactea var. lactea Frederick W. Oettinger 1969-7-13 1002 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1951 Comment
  HSC18762  Drymocallis pseudorupestris var. pseudorupestris R. C. Wunner 1965-7-9 354 Siskiyou Lava Beds NM, Black Crater Trail 100 yds. from Hardin Butte Jct. 1341 Comment
  UC545672  Drymocallis rhomboidea Louis C. Wheeler 1934-6-18 2732 Siskiyou West Fork Cottonwood Creek Siskiyou Mts., West Fork Cottonwood Creek 1432 Comment
  CAS-BOT-BC158429  Drymocallis rhomboidea David D. Keck 1940-6-13 5178 Siskiyou 9 mi. S. of Macdoel, on U.S. 97 between Dorris and Weed 1465 Comment
  CAS-BOT-BC70815  Dryopteris arguta Annie M. Alexander; Louise Kellogg 1948-9-4 5575 Siskiyou above Salmon River road; between Somesbar and Forks of Salmon River Comment
  HSC36688  Dryopteris arguta Brent Whiteley 1975-6-21 12 Siskiyou 223 Comment
  CHSC118256  Eleocharis bella R. E. Brainerd; N. Otting 2013-7-12 2188 Siskiyou Klamath Mountains. Marble Mountains Wilderness Area. Upper Big Meadow, ca. 0.9 air mile northeast of Upper Wright Lake. UTM Zone 10 494918E 4604536N WGS84. 2167 Comment
  HSC98409  Eleocharis decumbens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1181 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  UCSB63910  Eleocharis engelmannii Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou East side of Forest Route 15, 10.9 mi. north of Hwy. 89; T41N R2E Sect. 18, Lodgepole Pine Forest 1383 Comment
  SEINET5718064 Image available Eleocharis montevidensis Philip E. Hyatt 2002-1 11140 Siskiyou Happy Camp community. Along Klamath River. Collected while departing work on the Stanza Fire (Happy Camp) as a Base Camp Manager. In memory of engine E-11 Lassen NF; John Self, Hether DePaulo, Steve Ousatd. Happy Camp Elementary School Grounds; wet area, sewer smell, downslope form main school building in mown lawn. 41 deg. 47" 37.5" 123 deg. 22" 24.3". [See postcard.]; Klamath River Comment
  UC1100727  Eleocharis palustris Calvin McMillan, Malcolm A. Nobs 1949-6-17 803 Siskiyou Grass Lake, Highway 97 Comment
  RSA365460  Eleocharis parishii L. C. Wheeler 1934-7-17 2913 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1037 Comment
  SEINET7587040 Image available Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. Between David Mt and Abbotts Lake Basin. 1905 Comment
  CAS-BOT-BC112014  Eleocharis suksdorfiana Henry Knut[e] Svenson 1938-9-8 11664 Siskiyou Squaw Creek Meadows, Hudsonian, Openings in the meadows. Comment
  JEPS72943  Elymus elymoides subsp. elymoides W. L. Jepson 1940-6-23 20011 Siskiyou n Mt. Shasta; Andesite Station 975 Comment
  UC1265447  Elymus elymoides subsp. elymoides Frederick W. Oettinger 1968-8-8 455 Siskiyou Crapo Meadow Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co., high lake basins in vicinity of English Peak) 2164 Comment
  HSC58859  Elymus elymoides var. elymoides Marvin Butler 1971-7-28 218 Siskiyou Near Twin Lakes, close to the town of Cave Junction. 1585 Comment
  HSC76716  Elymus elymoides var. elymoides K. T. Stillman 1976-7-31 348 Siskiyou Marble Mountain Wilderness Area: E facing slope N from Black Mt. towards Jump off point. 2012 Comment
  RSA239024  Elymus glaucus Frederick W. Oettinger 1969-9-3 1622 Siskiyou South slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SJSU11311  Elymus hispidus S. H. Casey 1981-7-2 1204 Siskiyou near mouth of O'Neal Creek tributary of the Klamath River c. 4 mi W of Seiad Valley 426 Comment
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  HSC39665  Elymus multisetus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5734 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  UCD62562  Elymus repens M. V. Maxwell 1955-9-27 Siskiyou Macdoel. Comment
  UC1037121  Elymus trachycaulus Leo Whitney 1934-6-29 2227 Siskiyou near Tennant; Antelope Creek 1463 Comment
  SEINET10554730  Elymus trachycaulus George D. Butler 1910-7-3 Butler 1624 Siskiyou Creek bed, Goose nest foothills. 1219 Comment
  HSC67811  Epilobium brachycarpum J. O. Sawyer, J. Cole 1980-7-21 3833 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  RSA240051  Epilobium brachycarpum Frederick W. Oettinger 1969-8-12 1339 Siskiyou Along Main, North Fork Trail, between Yellow Dog Creek and Abbott s Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  POM259015  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-8-8 15419 Siskiyou Mount Shasta: Along the lower Squaw Valley Creek just below the McCloud intake along a lane Comment
  SEINET12873233  Epilobium ciliatum subsp. ciliatum G. D. Butler 1910-6-22 1598 Siskiyou Ireka Creek Comment
  POM32618  Epilobium ciliatum subsp. glandulosum E. B. Copeland 1903-8-13 3723 Siskiyou Sisson. 1067 Comment
  UCD77625  Epilobium clavatum Robert E. Preston 2001-7-21 1729 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  HSC67678  Epilobium glaberrimum John S. Palmer 1980-7-24 599 Siskiyou Elk Hole 1503 Comment
  HSC19501  Epilobium glaberrimum subsp. fastigiatum J. O. Sawyer 1969-8-1 1665 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  SEINET10777133 Image available Epilobium hallianum Cyrus G. Pringle 1882-9-1 Pringle s.n. Siskiyou Springs of Sacramento. Comment
  POM258624  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-7-5 15288 Siskiyou Mt. Shasta: in the meadow at Wagon Camp 1738 Comment
  UCR37556  Epilobium luteum L. P. Janeway 1983-9-11 679 a Siskiyou Poker Flat 1524 Comment
  HSC91953  Epilobium minutum Jennifer Whipple 1976-6-30 1190 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  POM215871  Epilobium minutum Louis C. Wheeler 1935-6-9 3551 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  HSC86524  Epilobium oreganum D. K. Imper 1987-7-23 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  SEINET10632309  Epilobium oreganum Willis L. Jepson 1914-8-14 Jepson 6162 Siskiyou Dunsmuir 780 Comment
  HSC29173  Epilobium oregonense Frederick W. Oettinger 1968-9-7 758 Siskiyou Marble Mtn. Wilderness Area, around Tobacco Lake 1890 Comment
  SEINET3149901  Epilobium paniculatum G. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  POM251090  Epilobium paniculatum W. Bridge Cooke 1938-7-22 11314 Siskiyou Mt. Shasta 1220 Comment
  SD61057  Epilobium paniculatum Darley F. Howe 1964-8-5 3940 Siskiyou 3.7 miles south of north entrance to Klamouth National Forest on Highway 97. 1584 Comment
  POM230321  Epilobium siskiyouense J. T. Howell 1937-7-29 s.n. Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  POM46473  Epilobium siskiyouense Geo. D. Butler 1910-7-9 1727 Siskiyou Wooly Creek. 1677 Comment
  CAS-BOT-BC58005  Equisetum Carl B. Wolf 1927-8-26 1084 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  UC637171  Equisetum laevigatum Edward Lee 1934-8-10 1201 Siskiyou near Hamburg (s bank Klamath River, between McKinney and Parkhouse Creeks) 609 Comment
  JEPS60117  Equisetum telmateia subsp. braunii Geo. D. Butler 1909-4-11 682 Siskiyou Shasta Springs Comment
  RSA602818  Eragrostis cilianensis L. C. Wheeler 1935-7-20 3674 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC204509  Eragrostis cilianensis Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's [Rogers] Creek, Somes Bar Comment
  CAS-BOT-BC204629  Eragrostis mexicana subsp. virescens Dorothy Parker 1949-7-24 84 Siskiyou McConahue Gulch, Scott Valley 914 Comment
  JEPS45874  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Siskiyou Mts., Oak Knoll Ranger Station, Klamath R. 670 Comment
  HSC45899  Eragrostis mexicana subsp. virescens Laura Witherspoon 1978-8-30 111 Siskiyou Klamath National Forest. Rd. to Ball Mtn. Lookout 2134 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-BC168332  Eremogone congesta var. congesta A. A. Heller 1915-8-26 12228 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  CAS-BOT-BC286700  Ericameria bloomeri A. A. Heller 1914-8-26 11722 Siskiyou At Weed 1066 Comment
  JEPS19232  Ericameria bloomeri W. L. Jepson 1940-7-3 20098 Siskiyou se Siskiyou County; Bartle 1188 Comment
  OBI55535  Ericameria bloomeri David J. Keil, Kathleen Keil 1992-7-24 23563 Siskiyou East of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  UC1118660  Ericameria bloomeri H. A. Jensen 1933-8-23 342 Siskiyou mo Mountain House Creek; Dunsmuir Quadrangle Comment
  SEINET7846091 Image available Ericameria bloomeri G. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  RSA237453  Ericameria greenei Frederick W. Oettinger 1967-8-24 321 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
  OBI55457  Ericameria greenei David J. Keil, Kathleen Keil 1992-7-21 23547 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 3.6 mi W of Scott Mountain rd (Hwy 3). Comment
  CAS-BOT-BC294298  Ericameria nauseosa var. speciosa Edward Lee 1934-8-14 1099 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  CAS-BOT-BC299469  Ericameria nauseosa var. speciosa Geo. D. Butler 1910-8-7 1824 Siskiyou Yreka Comment
  UC637126  Ericameria nauseosa var. speciosa Edward Lee 1934-8-14 1099 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line) 1868 Comment
  HSC61779  Erigeron aliceae Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC917225  Erigeron aliceae R. Tofsrud and J. M. Tucker 1948-8-3 1782 Siskiyou summit of Happy Camp - Waldo (Oregon) road (on Del Norte-Siskiyou County line) 1554 Comment
  CAS-BOT-BC294495  Erigeron bloomeri var. bloomeri John Thomas Howell 1939-8-4 15052 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  HSC75572  Erigeron bloomeri var. bloomeri K. T. Stillman 1976-8-7 179 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  HSC92420  Erigeron bloomeri var. bloomeri Jennifer Whipple 1976-6-30 1197 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 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
  HSC41054  Erigeron cervinus J. O. Sawyer 1969-7-9 1108 Siskiyou Dry slope above Little Duck Lake. Grandiorite 2012 Comment
  UCD77642  Erigeron compositus Robert E. Preston 2001-7-21 1744 Siskiyou Klamath National Forest, Rainbow Mountain, 2255 Comment
  CHSC93538  Erigeron divergens Lowell Ahart; John Dittes 2005-6-10 12080 Siskiyou South edge of irrigated pasture, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC5515  Erigeron filifolius R. C. Wunner 1965-6-29 304 Siskiyou Lava Beds National Monument, near upper Caldwell Ice Cave entrance 1433 Comment
  CAS-BOT-BC300472  Erigeron filifolius Edwin B. Copeland 1903-9-8 s.n. Siskiyou Foot of Mt. Eddy 1219 Comment
  RSA165609  Erigeron foliosus var. confinis Clare B. Hardham 1961-6-30 8007 Siskiyou Near White Mt. 1829 Comment
  CAS-BOT-BC300860  Erigeron glacialis var. glacialis John Thomas Howell 1939-8-8 15163 Siskiyou Black Mt., Marble Mts. Comment
  HSC2404  Erigeron glacialis var. glacialis William J. Ferlatte 1966-8-17 400 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC295382  Erigeron inornatus Wm. Bridge Cooke 1938-8-19 11512 Siskiyou Mount Shasta. Near Howard Comment
  OBI55472  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
  UCD77641  Erigeron inornatus var. calidipetris Robert E. Preston 2001-7-21 1709 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 Section 15 2026 Comment
  HSC29219  Erigeron inornatus var. inornatus Frederick W. Oettinger 1969-8-12 1348 Siskiyou Trail above Willow Springs between Abbott's Upper Cabin and English Lake 1677 Comment
  RSA238720  Erigeron peregrinus subsp. callianthemus Frederick W. Oettinger, R. F. Thorne 1969-8-4 1174 Siskiyou N of Tobacco Lake 1890 Comment
  RSA696015  Erigeron petrophilus var. viscidulus Barbara Ertter 1990-7-14 9328 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 airmiles W of Mt. Shasta City. 1951 Comment
  JEPS24438  Erigeron pumilus var. intermedius G. Thomas Robbins 1959-6-10 4041 Siskiyou 4 mi s Gazelle (U.S. Highway 99); Shasta Valley 914 Comment
  CAS-BOT-BC300266  Erigeron reductus var. reductus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 Comment
  CHSC8614  Eriodictyon californicum G. Smalley 1967-6-7 Siskiyou Collected ca. 9 miles w of Fort Jones on Quartz Mt. 1280 Comment
  HSC68481  Eriodictyon californicum Maralyn A. Renner 1980-1 817 Siskiyou Slopes N of Moffett Creek 945 Comment
  SEINET7064420  Eriogonum collinum A. G. Vestal 1963-6-1 s.n. Siskiyou Ca. 4.6 miles southeast of Hornbrook. (NAD83/WGS84) UTM Zone 10, 535702mE, 4633239mN. Comment
  HSC77564  Eriogonum compositum var. compositum L. P. Janeway 1983-9-11 661 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC250069  Eriogonum compositum var. compositum G. P. Rixford No date on label s.n. Siskiyou South side of Shaft Rock Mt., Hilt Comment
  HSC17407  Eriogonum compositum var. compositum Dorothy Parker 1949-7-10 344 Siskiyou Siskiyou Mtns., 2 mi. from summit of Salmon Mtn. 1829 Comment
  UC163807  Eriogonum compositum var. compositum Geo. D. Butler 1909-5-14 720 Siskiyou Klamath River Comment
  JEPS108712  Eriogonum congdonii Thomas W. Nelson and Jane P. Nelson 2006-8-4 9471 Siskiyou Scott Mountain S of junction of Forest Service Rds. 40N08 and 44N44 ca 1/2 mi E of junction of State Route 3 and Forest Service Rd. 40N08. E side of North-South running ridge. 1670 Comment
  UC909323  Eriogonum congdonii Dorothy Parker 1948-8-19 222 Siskiyou near Chinquapin (Scott Mountain); Scott Mountain 1524 Comment
  SEINET7040086  Eriogonum congdonii A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast of Dwinnell Reservoir [Lake Shastina]. Weed Quad. UTM Zone 10, 547726mE, 4593011mN. Comment
  SEINET5329119  Eriogonum diclinum J. L. Reveal, Mark L. Reveal 1975-8-15 3956 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40801), 0.5 mi west of Dry Lake Lookout near the Buckthorn Trail, in open places on the upper slopes 2042 Comment
  HSC43405  Eriogonum douglasii var. douglasii K. T. Stillman 1976-6-26 107 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  CAS-BOT-BC255727  Eriogonum elatum var. elatum D. M. Traugh 1933-8-7 111 Siskiyou Klamath Forest 1981 Comment
  CAS-BOT-BC255760  Eriogonum elatum var. villosum A. A. Heller 1925-7-25 13906 Siskiyou About 7 miles south of Yreka Comment
  JEPS56778  Eriogonum marifolium Chesnut and Drew July 1891 Siskiyou Mt. Shasta-Lassen Comment
  SBBG122852  Eriogonum marifolium B. Ertter 1990-7-16 9382 Siskiyou ca 2 mi E of Parks Crk trailhead (crest of Rd 17), along ridge, NW side of Mt Eddy, ca 8 air-mi SW of Weed 2316 Comment
  SD104875  Eriogonum marifolium Darley Howe 1979-6-25 Siskiyou 3 mi. NW of forks of Salmon River on Somes Bar Rd Comment
  CAS-BOT-BC263191  Eriogonum marifolium var. cupulatum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2438 Comment
  HSC69137  Eriogonum nudum Maralyn A. Renner 1980-8-8 2481 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  CAS-BOT-BC261621  Eriogonum nudum var. nudum Alice Eastwood 1912-7-17 1194 Siskiyou Sisson Comment
  CAS-BOT-BC261671  Eriogonum nudum var. nudum Reed C. Rollins; T. S. Chambers 1938-8-15 2723 Siskiyou 3 miles south of Weed 914 Comment
  RSA495516  Eriogonum nudum var. nudum Elaine Joyal, D. Mehlman 1988-6-25 1279 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  UCR12004  Eriogonum nudum var. pubiflorum William B. Cooke 1941-9-5 16270 Siskiyou Mt. Shasta, MacBride Springs Comment
  CAS-BOT-BC272462  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1923-9-6 3943 Siskiyou Klamath River, about 20 miles below mouth of Shasta River Comment
  JEPS56405  Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou above Kangaroo Lake; Kangaroo Divide 1920 Comment
  UC1037412  Eriogonum siskiyouense Douglas Barbe 1955-7-28 316 Siskiyou nw Scott Mountain; Klamath Mountains 1737 Comment
  UC1324597  Eriogonum spergulinum var. reddingianum W. B. and V. G. Cooke 1966-7-17 37249 Siskiyou vicinity Inconstance Creek (meadow openings along Military Pass Road); Mt. Shasta 1828 Comment
  RSA123624  Eriogonum sphaerocephalum G. D. Barbe 1955-6-28 s.n. Siskiyou 0.3 mi. north of Callahan on dry, rocky hillside. 1006 Comment
  CAS-BOT-BC262729  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1914-4-20 633 Siskiyou Yreka Comment
  CAS-BOT-BC263393  Eriogonum strictum var. proliferum Geo. D. Butler 1910-5-27 1417 Siskiyou Near Yreka Comment
  UCD101201  Eriogonum strictum var. proliferum Dean William Taylor; G. Ledyard Stebbins 1972-7-4 1623 Siskiyou along Highway 3, about 3 miles east of Etna. 1066 Comment
  CAS-BOT-BC263447  Eriogonum ternatum James L. Reveal; Darin S. Reveal 1978-8-9 4812 Siskiyou Along the dirt road to Baldy Mountain Lookout (USFS # 17N11), 0.6 mile south of the junction of 17N23, on a ridge dividing Doolittle Creek and Little South Fork, about 3.5 miles north-northeast of the lookout 1341 Comment
  CAS-BOT-BC540704  Eriogonum ternatum Dana York 2012-7-21 3134 Siskiyou Siskiyou Mountains: Klamath National Forest, ca. 500 m NE of Red Butte 1950 Comment
  JEPS83885  Eriogonum ternatum Wayne Roderick July 1976 Siskiyou rock outcrop along trail to Lily Pad Lake (vicinity of Cook and Green Pass); Sisiyou Mts. 1706 Comment
  HSC66394  Eriogonum umbellatum J. O. Sawyer, J. Cole 1980-7-22 3932 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CAS-BOT-BC267976  Eriogonum umbellatum var. argus Dorothy Parker 1950-8-6 490 Siskiyou Salmon Mountain 1798 Comment
  RSA237777  Eriogonum umbellatum var. argus Frederick W. Oettinger 1967-8-4 269 Siskiyou Near English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2229 Comment
  CAS-BOT-BC268152  Eriogonum umbellatum var. humistratum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  HSC19518  Eriogonum umbellatum var. humistratum J. O. Sawyer 1969-7-25 1547 Siskiyou W of High Lake 2256 Comment
  HSC43434  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-14 1468 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  JEPS110482  Eriogonum umbellatum var. modocense Robert E. Preston 2001-7-21 1708 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2026 Comment
  JEPS84201  Eriogonum umbellatum var. modocense L. R. Heckard with J. Hickman et al. 1986-7-17 6504 Siskiyou e Condrey Mt. (slopes); Alex Hole 1880 Comment
  JEPS94389  Eriogonum umbellatum var. nevadense Vernon Oswald and Lowell Ahart 1997-7-28 8792 Siskiyou se of Medicine Lake (at Paynes Springs, on the rim of Paynes Creek Canyon n of the campground); Paynes Creek Canyon, Paynes Springs 1981 Comment
  SJSU6269  Eriogonum umbellatum var. nevadense R. W. Trivelpiece 1971-8-18 70 Siskiyou by Fourth of July Gulch, 2.5 mi N of Cecilville on S Fork Salmon R, Salmon River Mts 1371 Comment
  SEINET3160102  Eriogonum umbellatum var. polyanthum G. D. Butler 1910-6-19 1580 Siskiyou Goosenest foothills 1524 Comment
  SEINET245423 Image available Eriogonum ursinum James L. Reveal, Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains; Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1675 Comment
  SEINET3860115  Eriogonum ursinum var. erubescens James L. Reveal, Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, N and W slope and ridge of Deadwood Baldy Peak, Klamath National Forest.; 0 1675 Comment
  OBI76912  Eriogonum vimineum Anthony Baniaga 2011-7-8 431 Siskiyou Klamath Natl Forest. Along Salmon river, on hwy 93 694 Comment
  CDA18412  Eriophyllum lanatum G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2650 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  CAS-BOT-BC301134  Eriophyllum lanatum var. achilleoides Doris K. Kildale; J. W. Gillespie 1929-6-22 8031 Siskiyou Base of Black Butte near Mt. Shasta Comment
  UC536683  Eriophyllum lanatum var. achilleoides D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou caves 11 mi ne Weed 1097 Comment
  UC726554  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou e side Mt. Eddy Comment
  HSC2272  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mt. 1067 Comment
  UC455785  Eriophyllum lanatum var. grandiflorum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC90283  Eriophyllum lanatum var. grandiflorum T. S. Brandegee 1890-7-1 Siskiyou Sisson Comment
  CAS-BOT-BC301707  Eriophyllum lanatum var. lanceolatum Clarence R. Quick 1959-6-19 59 -13 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC301712  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-6-23 1602 Siskiyou Yreka Creek Comment
  POM30800  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-6-23 1602 Siskiyou Yreka Creek. Comment
  POM358043  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1945-7-19 9218 Siskiyou Klamath National Forest; Marble Mts. Comment
  UC1299256  Eriophyllum lanatum var. lanceolatum Freed W. Hoffman 1950-7-13 3549 Siskiyou Baldy Lookout; w Siskiyou County Comment
  UCR51758  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1944-6-25 9019 Siskiyou Siskiyou Mtns,, Beaver Creek. (Coastal Northern California). 1325 Comment
  RSA22176  Erysimum capitatum J. T. Howell 1937-7-29 13636 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  CAS-BOT-BC54580  Erysimum capitatum Doris K. Kildale 1929-7-20 8698 Siskiyou Raspberry Lake, east spur Preston Peak. Comment
  CAS-BOT-BC55107  Erysimum perenne John Thomas Howell 1937-7-24 13382 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC192  Erysimum perenne William J. Ferlatte 1967-8-21 1070 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  CDA39347  Erythronium californicum D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Along road between Forks of Salmon and Somes Bar, southwestern part of county. 0 Comment
  RSA237910  Erythronium grandiflorum subsp. grandiflorum Frederick W. Oettinger 1967-7-20 195 Siskiyou Northeast end of Crapo Peak Ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2186 Comment
  CAS-BOT-BC403680  Eschscholzia californica Alice Eastwood 1923-5-29 11986 Siskiyou Cantara Comment
  CAS-BOT-BC403674  Eschscholzia californica Doris K. Kildale 1929-6-25 8368 Siskiyou 6 miles north of Klamath River at Hornbrook on Pacific Highway Comment
  JEPS51764  Eschscholzia californica W. L. Jepson 1907-7-22 2956 Siskiyou Scott Bar to Scott Valley; Miamber Trail Comment
  RSA0008954  Eschscholzia confinis E. B. Copeland 1903-7-2 3532 Siskiyou Klamathon Comment
  SEINET5708610 Image available Eucephalus glabratus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7703 Siskiyou Scott Mts., Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 2036 Comment
  UC17633  Euphorbia crenulata T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC310631  Eurybia radulina John Thomas Howell 1939-8-9 15246 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC413904  Fallopia convolvulus L. E. Smith 1915-7-1 s.n. Siskiyou Sisson Comment
  UCD65897  Festuca californica subsp. californica G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3266 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  CAS-BOT-BC278721  Festuca idahoensis Wm. Bridge Cooke 1938-7-15 11217 Siskiyou Mount Shasta. Above Bear Spring Comment
  HSC100334  Festuca idahoensis J. P. Smith 2011-7-15 13302 Siskiyou 1427 Comment
  JEPS94900  Festuca idahoensis Vernon H. Oswald and Lowell Ahart 1998-6-11 9193 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation 1066 Comment
  UC1483422  Festuca idahoensis John Palmer 1980-8-15 1023 Siskiyou ne of Seiad Low Gap (on spur of F.S. Rd 46N50); Klamath National Forest, Seiad Valley Quad. 1463 Comment
  UC1483545  Festuca idahoensis J. Sawyer and J. Cole 1980-7-21 3902 Siskiyou near Haight Mtn. (along F.S. road running s to sw); Klamath National Forest, Bray Quad. 1938 Comment
  JEPS57224  Festuca roemeri L. R. Heckard 1967-8-13 1711 Siskiyou e flank Mt. Eddy 2727 Comment
  CAS-BOT-BC279073  Festuca rubra David D. Keck 1949-7-19 6357 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  RSA239112  Festuca subulata Frederick W. Oettinger 1969-9-4 1629 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SJSU11321  Festuca subulata S. H. Casey 1981-7-4 1213 Siskiyou Seiad Creek Road near Cook & Green Pass c. 8 mi N of Seiad Valley 1219 Comment
  HSC92060  Floerkea proserpinacoides Jennifer Whipple 1976-7-2 1282 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC453506  Fragaria Wm. Bridge Cooke 1939-6-23 13542 Siskiyou Lower end of the upper Wagon Camp meadow; Mount Shasta Comment
  HSC36951  Fragaria vesca J. P. Smith 1974-5-26 7555 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC1483518  Fragaria vesca John Palmer 1980-8-12 735 Siskiyou road to Bearground Spring (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad. 1341 Comment
  UC555501  Fragaria vesca D. Tebbe 1929-7-1 10 Siskiyou Mt. Eddy at Donkey Camp; Mt. Eddy Comment
  HSC36713  Fragaria vesca Brent Whitely 1975-7-3 135 Siskiyou 1220 Comment
  HSC59619  Fragaria vesca J. P. Smith, Steve Selva 1970-6-16 4007 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  UCD113261  Fragaria virginiana Wm. E. Moon 1958-5-29 s.n. Siskiyou Vernal pond, State Hwy. 97, southwest of Hebron Summit. Comment
  UC375379  Fragaria virginiana subsp. platypetala Geo. D. Butler 1908-8-10 278 Siskiyou Shackleford Creek Log Lake Meadows (edge of Log Lake Meadows) Comment
  CAS-BOT-BC447518  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1938-7-15 11251 Siskiyou Wagon Camp. Occasional along the outer fringe of the meadow in dry locations. 1737 Comment
  HSC100316  Frangula californica subsp. californica J. P. Smith, J. O. Sawyer 2011-7-21 13027 Siskiyou Along Klamath Forest Service Road 13N18, 0.3 mi. N of Ogaromtoc Lake. 568 Comment
  CAS-BOT-BC53414  Frangula californica subsp. occidentalis Peter H. Raven 1956-9-5 10463 Siskiyou North Fork of Sacramento River 1828 Comment
  HSC101837  Frangula rubra subsp. obtusissima J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13169 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  CAS-BOT-BC59599  Frangula rubra subsp. rubra A. A. Heller 1905-6-22 8087 Siskiyou Between Igerna and Weed Comment
  HSC101714  Frangula rubra subsp. yosemitana J. P. Smith, J. O. Sawyer 2011-6-25 13263 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  SEINET10495780  Frasera albicaulis David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17939 Siskiyou 9 mi N of Weed, on US Hwy 97, at Whitney Creek. Sw-facing slope; volcanic (pumice) some sedimentary loamy soil; assoc. with Pinus ponderosa, Artmisia, Bromus, and Arctostaphylos. 1250 Comment
  HSC76991  Fritillaria atropurpurea K. T. Stillman 1976-6-25 69 Siskiyou Marble Mountain Wilderness Area. 1829 Comment
  UC429285  Fritillaria atropurpurea Annie M. Alexander and L. Kellogg 1911-6-17 151 Siskiyou Jackson Lake Comment
  CAS-BOT-BC502840  Fritillaria atropurpurea A. M. Vollmer; L. Beane 1951-6-2 60 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  RSA184804  Fritillaria atropurpurea Gilbert Muth 1966-7-8 356 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  CDA39331  Fritillaria pudica D. H. Horn 1978-3-1 s.n. Siskiyou Shasta River Canyon, Yreka. 0 Comment
  SEINET3886831  Fritillaria recurva James F. Smith 1973-5-5 6471 Siskiyou Along Cook and Green Pass road.; 0 Comment
  UCD132354  Gaillardia aristata T. C. Fuller; G. D. Barbe 1972-6-14 947 Siskiyou in pasture north of Weed, ca. 1 mile north of US 97 on Hoy Road. Comment
  HSC68373  Galium aparine J. P. Smith 1973-5-5 6374 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC58971  Galium bifolium Gilbert Muth 1975-7-30 4034 Siskiyou Near Lily Pad Lake, close to the town of Seiad Valley 1585 Comment
  HSC67746  Galium bifolium J. O. Sawyer, J. Cole 1980-7-21 3818 Siskiyou NW of Little Mt. Hoffman 1982 Comment
  HSC19303  Galium bolanderi J. O. Sawyer 1969-6-10 806 Siskiyou S face near Sugar Lake 1829 Comment
  JEPS6708  Galium bolanderi Geo. D. Butler 1908-8-21 413 Siskiyou Etna Creek 1158 Comment
  HSC68987  Galium glabrescens Maralyn A. Renner 1980-7-28 2159 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC104303  Galium glabrescens subsp. glabrescens Dana York 2012-7-21 3143 Siskiyou Rogue River-Siskiyou National Forests; Siskiyou Mountains, Red Buttes Wilderness, a few meters below summit of Red Butte 2043 Comment
  JEPS27425  Galium glabrescens subsp. glabrescens Lauramay T. Dempster and Clare Hardham 1961-7-3 1875 Siskiyou w face Scott Mountain (se of Callahan); w face of Scott Mountain Comment
  UC722483  Galium glabrescens subsp. glabrescens C. L. Hitchcock and J. S. Martin 1939-7-6 5228 Siskiyou peak above and n Divide of Siskiyou Mts. (on Takilma-Happy Camp road) 1828 Comment
  HSC81550  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1980-7-21 6158 Siskiyou Along FS Rd. 40N08, 0.6 mi. from junction with Hwy. 3 1646 Comment
  UC1475695  Galium serpenticum subsp. scotticum Clifton and Ground 1978-6-30 1661 Siskiyou near Forest House (close to town of Yreka); Yreka Quadrangle 1098 Comment
  UC416664  Galium trifidum var. pusillum Milo S. Baker Aug. 1897 143 Siskiyou Payne's Springs Comment
  HSC19300  Galium triflorum J. O. Sawyer 1969-7-23 1449 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC23615  Galium triflorum J. O. Sawyer 1970-7-4 2321 Siskiyou At Cedar Flat Cabin 1402 Comment
  HSC27761  Garrya fremontii J. P. Smith, J. O. Sawyer 1972-9-13 5792 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  RSA44064  Garrya fremontii W. Bridge Cooke 1941-9-16 16319 Siskiyou Along the Castle Lake Road. 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
  RSA758227  Garrya fremontii Robert F. Thorne 1969-8-2 63348 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  SEINET10939948  Gayophytum Mary Merello 1993-6-25 Merello 723 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  HSC19495  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1969-8-4 1879 Siskiyou S of S Sugar Lake 2104 Comment
  UC1409237  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-14 1380 Siskiyou English Lake Salmon Mountains, Marble Mountain Wilderness Area (camp site, w Siskiyou Co., high lake basins in vicinity of English Peak) 1737 Comment
  HSC34828  Gayophytum diffusum subsp. parviflorum J. P. Smith, J. O. Sawyer 1975-10-23 8487 Siskiyou 1768 Comment
  POM211844  Gayophytum diffusum subsp. parviflorum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2439 Comment
  RSA237865  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1967-8-21 297 Siskiyou In front of northwest face of Tom Taylor Cabin. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 2055 Comment
  JEPS24633  Gayophytum heterozygum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6788 Siskiyou a little above and e McBride Springs (s slopes of mt.); Mt. Shasta 1432 Comment
  JEPS93875  Gayophytum heterozygum Vernon H. Oswald and Lowell Ahart 1998-7-21 9316 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 97 975 Comment
  UC454603  Gayophytum heterozygum I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley Comment
  HSC92087  Gayophytum humile Jennifer Whipple 1976-7-9 1387 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC78249  Gayophytum humile L. P. Janeway 1983-7-3 367 Siskiyou NW of Poker Flat 1585 Comment
  RSA237873  Gayophytum humile Frederick W. Oettinger 1969-7-10 950 Siskiyou Northwest of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1738 Comment
  SEINET12193190  Gayophytum humile C. G. Pringle 1882-1 s.n. Siskiyou Mts. about the head waters of the Sacramento River 2134 Comment
  POM312608  Gayophytum racemosum H. L. Mason 1948-7-17 13603 Siskiyou Eastern Grass Lake. Comment
  HSC96313  Gentiana newberryi var. newberryi Gordon Leppig 1998-8-14 1020 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  UC455391  Geranium carolinianum I. J. Condit Jul 1911 Siskiyou Shasta Retreat Comment
  SEINET3151362  Geranium incisum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley Comment
  CAS-BOT-BC459351  Geum aleppicum L. E. Smith 1913-7-27 506 Siskiyou Mc Cloud Comment
  UC1299120  Geum macrophyllum Freed W. Hoffman 1951-7-15 4032 Siskiyou Marble Mountains, Hammond Camp, western Siskiyou County Hammond Camp; North Coast Ranges, Marble Mountains, Hammond Camp 1524 Comment
  CAS-BOT-BC459622  Geum macrophyllum L. E. Smith 1913-6-12 396 Siskiyou Road from Sissson to Castle Lake Comment
  CAS-BOT-BC143590  Geum triflorum John Thomas Howell 1939-8-8 15176 Siskiyou Black Mts., Marble Mts. Comment
  UC1733717  Geum triflorum Kay H. Beach, Frank Gould 1940-5-15 626 Siskiyou Bull Meadows Comment
  SEINET3156722  Geum triflorum G. D. Butler 1910-6-19 1578 Siskiyou Goosenet foothills 1524 Comment
  POM91458  Geum triflorum var. ciliatum Geo. D. Butler 1910-6-19 1578 Siskiyou Goosenest Foothills. 1524 Comment
  CHSC96011  Gilia capitata subsp. capitata L. P. Janeway 2006-7-3 8763 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road at upper crossing of Music Creek. 1716 Comment
  UC163988  Gilia capitata subsp. capitata Geo. D. Butler 1908-8-6 32 Siskiyou along trail summit above Cold Spring Woolly Creek; above Cold Spring Woolly Creek Comment
  JEPS84094  Glyceria elata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6378 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  RSA238999  Glyceria striata Frederick W. Oettinger 1969-8-16 1401 Siskiyou Wire Grass Meadow, English Lake Basin. Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA237525  Gnaphalium palustre Frederick W. Oettinger 1969-9-4 1627 Siskiyou East side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  POM211383  Gnaphalium thermale L. C. Wheeler 1934-7-24 2958 Siskiyou Long John Creek, Siskiyou Mts. Mt. Diablo Meridian. 1402 Comment
  HSC19394  Goodyera oblongifolia J. O. Sawyer 1968-6-18 176 Siskiyou Above S Russian Creek on W side. 1463 Comment
  RSA756940  Goodyera oblongifolia Robert F. Thorne 1969-8-2 63344 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  SEINET3890845  Habenaria dilatata var. leucostachys Alv Dan Youngberg 1964-1 Siskiyou Comment
  HSC22095  Hackelia bella J. O. Sawyer 1969-7-23 1437 Siskiyou N of Jackson Lake 2043 Comment
  HSC41469  Hackelia setosa Ed Cope 1977-7-16 131 Siskiyou Johnson's Hunting Grounds Trail at Wilderness Area border 1677 Comment
  UC142688  Hastingsia alba Dr. E. B. Copeland 1903-9-7 3864 Siskiyou Mt. Eddy 2438 Comment
  UC166573  Hastingsia alba Geo. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  UC726459  Hastingsia alba A. A. Heller 1919-6-25 13268 Siskiyou Compton's Prairie Comment
  RSA760957  Hastingsia alba Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63389 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  SEINET8480293  Hastingsia alba W. Roderick 1967-7-27 s.n. Siskiyou Gumboat Lake, SW of Mt. Eddy. 1829 Comment
  HSC67895  Hazardia whitneyi var. discoidea J. P. Smith, J. O. Sawyer 1973-8-14 7322 Siskiyou West of Cliff Lake 2012 Comment
  CAS-BOT-BC306352  Helenium L. E. Smith 1913-8-30 532 Siskiyou Mount Eddy Comment
  CHSC71564  Helenium bigelovii Vernon H. Oswald; Lowell Ahart 1998-8-3 9414 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Roadside. 1554 Comment
  HSC4760  Helenium bigelovii William J. Ferlatte 1966-8-2 231 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  UC179527  Helenium bigelovii A. A. Heller 1914-8-28 11733 Siskiyou Mt. Eddy 2133 Comment
  UCR21117  Helenium bigelovii T. W. Fisher, R. E. Orth, Oatman 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CAS-BOT-BC306746  Helenium bigelovii Gilbert Muth 1965-8-2 s.n. Siskiyou Marble Valley Comment
  RSA237438  Helenium bigelovii Frederick W. Oettinger 1967-8-21 309 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  RSA654056  Helenium bigelovii Beecher Crampton 1956-8-21 3809 Siskiyou Slopes of Gumboot Lake, headwater of the S fork of Sacramento River 1921 Comment
  CAS-BOT-BC305316  Helianthella Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Basin, Trinity Mts. 1828 Comment
  CAS-BOT-BC123528  Helianthella californica var. shastensis Amos Arthur Heller 1916-7-22 12489 Siskiyou East side of Mt. Eddy Comment
  HSC103499  Helianthella californica var. shastensis Thomas W. Nelson, Jane Nelson 1985-6-19 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  CAS-BOT-BC314843  Helianthella californica var. shastensis Elmer I. Applegate 1896-5-29 593 Siskiyou Sacramento River below Sisson Comment
  CLARK-A1528-7877  Helianthus bolanderi John C. Roos 1948-9-1 3981 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC313449  Hemizonella minima Wm. Bridge Cooke 1940-6-4 15006 Siskiyou Old Bolam Road, Mount Shasta 1219 Comment
  RSA233694  Hesperolinon micranthum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38947 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  OBI53775  Heterotheca oregona var. compacta David J. Keil 1992-7-20 23479 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  SEINET5641915  Heterotheca oregona var. rudis John C. Semple, S. Heard 1986-8-16 8481 Siskiyou Forest Hwy 93, 19.6 km E of Salmon Forks, W of Sawyer's Bar, by Forest Service Rd. 40N42.; 0 Comment
  CAS-BOT-BC312298  Heterotheca villosa var. minor Gilbert Muth 1965-8-4 s.n. Siskiyou Near the marble, Marble Valley Comment
  HSC58972  Heuchera cylindrica Gilbert Muth 1975-7-31 4461 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1920 Comment
  CAS-BOT-BC420703  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC509283  Heuchera merriamii Dana York 2012-7-20 3119 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
  JEPS26525  Heuchera merriamii Lauramay T. Dempster 1961-7-2 1863 Siskiyou sw of Etna (ridge w of Salmon Mountain Summit); Salmon Mountain 1828 Comment
  JEPS80549  Heuchera merriamii Gilbert Muth 1965-8-11 208 Siskiyou Marble Mt. Wilderness Area 1828 Comment
  CAS-BOT-BC420719  Heuchera micrantha M. B. Dunkle 1945-7-19 9224 Siskiyou Sky-High Bluffs, Klamath forest 2194 Comment
  JEPS36597  Hieracium albiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento Comment
  SD98940  Hieracium albiflorum Darley F. Howe 1977-7-2 Siskiyou Scott River resort Area. 609 Comment
  RSA183733  Hieracium gracile Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley. Marble Mtns. Comment
  RSA237532  Hieracium gracile Frederick W. Oettinger 1968-8-8 448 Siskiyou Ridge above Upper English Lake near trail to English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  CAS-BOT-BC318547  Hieracium greenei Alice Eastwood 1912-8-30 2035 Siskiyou Mount Eddy Comment
  HSC26909  Hieracium horridum J. P. Smith, J. O. Sawyer 1971-9-17 4773 Siskiyou Slopes above Big Duck Lake Comment
  UC337088  Hieracium horridum unknown 1888-9-12 Siskiyou side Mt. Shasta Comment
  CAS-BOT-BC316015  Hieracium nudicaule Alice Eastwood 1921-7-29 10976 a Siskiyou Pilgrim Creek Nursery Comment
  UC922284  Hieracium parryi Annie M. Alexander and Louise Kellogg 1949-7-20 5812 Siskiyou n of Paradise Lake; Marble Mountains 1920 Comment
  CAS-BOT-BC316038  Hieracium scouleri Volney Rattan 1879-1-1 s.n. Siskiyou Siskiyou Mts. Comment
  HSC36471  Hieracium scouleri J. O. Sawyer 1969-8-1 1643 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC320106  Hieracium triste John Thomas Howell 1937-7-24 13392 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC4860  Holodiscus discolor J. O. Sawyer 1968-7-9 407 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  RSA183703  Holodiscus discolor Gilbert Muth 1965-8-3 148 Siskiyou Down Creek from Marble Valley, Marble Mountains. Comment
  RSA237606  Holodiscus discolor Frederick W. Oettinger 1969-8-16 1412 Siskiyou Old wiregrass meadow on English Lake Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA237614  Holodiscus discolor Frederick W. Oettinger 1967-8-10 244 Siskiyou Cliffs south of of Tobacco Lake basin. meadows, 1/8 mile southeast of Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA449785  Holodiscus discolor M. B. Dunkle 1945-8-7 9333 Siskiyou Marble Mountains, Klamath National Forest: King's Castle Comment
  CAS-BOT-BC152373  Holodiscus discolor var. discolor W. R. Dudley 1901-8-24 s.n. Siskiyou Head of Coffee Creek, Salmon Mts. Comment
  LA207930  Holodiscus discolor var. glabrescens W. B. C.; 1938-8-18 11505 Siskiyou Mount Shasta, Above Horse Camp 2438 Comment
  UCD77777  Holodiscus discolor var. microphyllus Robert E. Preston 2001-7-21 1735 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W se 1/4 of ne 1/4 Section 22 2194 Comment
  CAS-BOT-BC150139  Holodiscus microphyllus var. glabrescens A. A. Heller 1914-8-28 11730 Siskiyou East side of Mt. Eddy 2499 Comment
  HSC39744  Holosteum umbellatum J. O. Sawyer 1970-4-4 2091 Siskiyou Along Sugar Creek 823 Comment
  CAS-BOT-BC285059  Hordeum marinum subsp. gussoneanum L. R. Short 1933-6-16 42 Siskiyou Klamath National Forest, S. side of Klamath R. 609 Comment
  NY436002  Horkelia brownii H. E. Brown 1897-7-15 530 Siskiyou South side Mt. Shasta. 1524.0 Comment
  JEPS104786  Horkelia daucifolia Dean W. Taylor 1996-5-29 15638 Siskiyou Highway 3 about 4 miles east of southern edge Yreka; Soap Creek Ridge 822 Comment
  JEPS96981  Horkelia daucifolia Dean W. Taylor 1999-6-9 17238 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  HSC40986  Horkelia daucifolia var. daucifolia J. O. Sawyer 1975-7-16 2700 Siskiyou 1.2 mi. N of Callahan ( Cecilville Rd. on rd. to Duck Lake) Comment
  HSC46217  Horkelia daucifolia var. daucifolia Jennifer Whipple 1978-6-5 2325 Siskiyou Weston Gulch in Scott Valley 854 Comment
  JEPS121710  Horkelia daucifolia var. daucifolia Julie Kierstead Nelson 2014-5-29 2011 -035 Siskiyou The Eddys, eastern Klamath Range, just off Parks Creek Road (42N17) in disturbed area near junction with 42N19, 7 miles west of the town of Weed. Comment
  CHSC69089  Horkelia fusca subsp. parviflora Vernon Oswald; Lowell Ahart 1997-7-28 8804 Siskiyou Forest Route 15 ca. 1 mi south of Harris Spring. 1463 Comment
  JEPS47181  Horkelia fusca subsp. parviflora W. L. Jepson 1940-6-28 20053 Siskiyou McCloud 990 Comment
  JEPS113062  Horkelia fusca var. brownii Roy Buck 1987-6-3 624 Siskiyou White Deer Lake, ca 10 mi NE of Bartle on Hwy 89 Comment
  RSA3819  Horkelia fusca var. brownii A. A. Heller 1927-8-1 14435 Siskiyou S side of Mt. Shasta, near Shasta City (Sisson). Comment
  UC221640  Horkelia tridentata subsp. tridentata H. E. Brown Jul 1 1897-Jul 15 1897 479 Siskiyou n side Mt. Shasta 1524 Comment
  CAS-BOT-BC539432  Horkelia tridentata var. tridentata Alice Eastwood 1922-10-18 11518 Siskiyou Shasta Springs Comment
  CAS-BOT-BC201127  Hosackia crassifolia A. A. Heller 1905-6-5 7972 Siskiyou Along the Sacramento a short distance below Shasta Springs. Between Shasta Retreat and Shasta Springs Comment
  CAS-BOT-BC201128  Hosackia crassifolia Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  SEINET957334  Hosackia crassifolia G. D. Butler 1910-1 1452 Siskiyou Lang Valley. Comment
  HSC71654  Hosackia oblongifolia var. oblongifolia J. P. Smith, Steve Selva 1970-6-15 3981 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  CAS-BOT-BC312577  Hulsea nana Peter H. Raven 1956-9-4 10425 Siskiyou Summit of Mt. Eddy 2758 Comment
  JEPS26586  Hulsea nana Peter Kamb 1949-8-25 1496 Siskiyou above Horse Camp (sw slope of mountain); Mt. Shasta 3169 Comment
  HSC36952  Hydrophyllum capitatum var. alpinum J. P. Smith 1974-5-26 7589 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  RSA120700  Hydrophyllum occidentale S. S. Tillett 1956-7-9 631 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  SEINET3156128  Hydrophyllum occidentale G. D. Butler 1910-7-9 1720 Siskiyou Marble Mountain 1676 Comment
  HSC22109  Hypericum anagalloides J. O. Sawyer 1969-7-18 1410 Siskiyou Head of S Russian Creek 1829 Comment
  UC454936  Hypericum anagalloides I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  JEPS124800 Image available Hypericum anagalloides Laurel Loeblich 1964-7-1 75 Siskiyou East of highway 89 about 7 meters from road pavement 6 miles northwest of Dead Horse Summit. Comment
  CAS-BOT-BC401283  Hypericum perforatum Carl B. Wolf 1927-8-27 1108 Siskiyou On the Klamath River, Happy Camp Comment
  HSC68015  Hypericum scouleri J. P. Smith, Steve Selva 1970-7-18 4495 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  CAS-BOT-BC88619  Idahoa scapigera Louis C. Wheeler 1935-3-16 3373 Siskiyou Klamath River. Klamathon. 701 Comment
  JEPS20040  Idahoa scapigera George D. Butler 1909-2 571 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  CAS-BOT-BC206827  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 mi. NE of Weed along U.S. Highway #97 914 Comment
  CAS-BOT-BC206828  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou Mt. Shasta, along Snow Line Road, 3 3/10 mi. from Mt. Shasta City 1524 Comment
  UC774467  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 mi ne of Weed (along U.S. Highway 97); U.S. Highway 97 914 Comment
  RSA172017  Iliamna bakeri F. W. Peirson 1923-7-17 3772 Siskiyou Whitney Creek, foot of Mt. Shasta Comment
  CAS-BOT-BC94922  Ipomopsis aggregata R. C. Wenk 2008-7-23 905 Siskiyou SW side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch 2316 Comment
  JEPS815  Ipomopsis aggregata Geo. D. Butler 1909-6-22 945 Siskiyou Goosenest Mtn Comment
  POM252974  Ipomopsis aggregata subsp. formosissima A. A. Heller 1938-7-12 15250 Siskiyou 5 miles north of Weed along highway 97 Comment
  SEINET12049833  Iris chrysophylla F. H. Utech 1986-1 86 -476 Siskiyou Klamath National Forest, West Branch Recreation Area, ca 12 mi NE of Happy Camp 1000 Comment
  CAS-BOT-BC133695  Iris tenax Gail Newton 1980-6-20 438 Siskiyou Near Bald Mountain 1096 Comment
  HSC63122  Iris tenax subsp. klamathensis M. A. Baker 1979-5-17 725 Siskiyou Along FS Rd. 15N01, 13 mi. from Hwy. 96 Comment
  HSC65849  Iris tenax subsp. klamathensis Gail Newton 1980-6-20 438 Siskiyou Near Bald Mtn. 250 Comment
  SEINET3875941  Iris tenuissima Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-22 694 Siskiyou Sasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou.; 0 1090 Comment
  RSA136363  Iris tenuissima Lee W. Lenz 1953-5-17 18314 Siskiyou 1 mile above junction of Salmon and Klamath Rivers on Klamath River 183 Comment
  UC1174790  Iris tenuissima L. W. Lenz 1953-5-17 18313 Siskiyou 1.25 mi above Salmon River junction with Klamath (along Salmon River); Salmon River 176 Comment
  SEINET6373100  Isatis tinctoria Barbara L. Wilson, Richard E. Brainerd 2010-1 16199 Siskiyou closed road near south edge of Black Butte, north of the dump. Comment
  HSC64148  Isatis tinctoria J. P. Smith 1973-5-5 6404 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UCD115206  Isatis tinctoria J. M. Tucker; L. K. Mann 1963-7-4 3688 Siskiyou 8.5 miles (by road) northeast of Fort Jones. Comment
  CAS-BOT-BC57677  Isoetes bolanderi John Thomas Howell 1939-8-9 15194 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  JEPS20537  Isoetes howellii Rimo Bacigalupi with S. Galen Smith and George Bacigalupi Jr. 1957-6-27 5971 Siskiyou 2 1/2 mi. n.w. Weed (s. tip of Shasta Valley, near headwaters of Shasta River); Shasta Valley 1005 Comment
  HSC101884  Isoetes occidentalis Dana York 2011-9-9 3096 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  RSA264994  Isoetes occidentalis Gilbert Muth 1975-7-30 s.n. Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  UC922488  Isoetes occidentalis Annie M. Alexander and Louise Kellogg 1949-7-29 5893 Siskiyou hidden lake above Sky High Lake; Marble Mts, Sky High Valley 1859 Comment
  CAS-BOT-BC135373  Ivesia gordonii A. A. Heller 1920-7-9 13424 Siskiyou Summit of Mt. Eddy Comment
  RSA293203  Ivesia pickeringii Kevin Sawyer, John Sawyer, Jane Cole, J. P. Smith 1976-9-5 8970 Siskiyou 2.5 miles north of Siskiyou-Trinity Co. line on State Route 3. 1524 Comment
  HSC61923  Juncus acuminatus Ruby Van Deventer 1959-1-9 Siskiyou Poker Flat 1585 Comment
  CHSC97977  Juncus balticus Jennifer Whipple 1976-7-2 1250 Siskiyou Klamath Mountains, Mount Eddy. Near Dobkins Lake. Along shore of lake. 2133 Comment
  SEINET5715683 Image available Juncus balticus Sandy Holloway 1963-1 73 Siskiyou Perennial from creepimg rootstock; along a spring drainage area 1 mile south of Oberlin Road, 8 miles southeast of Yreka, Siskiyou County, California.; Yreka 762 Comment
  JEPS67088  Juncus bufonius var. occidentalis Geo. D. Butler 1910-7-12 1742 Siskiyou Shackleford Creek 1219 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
  HSC74815  Juncus dubius J. P. Smith 1978-7-1 9995 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  UC637095  Juncus dudleyi Edward Lee 1934-8-11 1025 Siskiyou e end Seiad Valley (Walker Creek, a tributary of the Klamath River); , Klamath River, Walker Creek 457 Comment
  HSC78913  Juncus effusus subsp. effusus Paul Wilson 1984-8-26 354 Siskiyou Juanita Lake Reservoir, edge of lake 1555 Comment
  CHSC78937  Juncus ensifolius Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. Comment
  UC1601865  Juncus ensifolius Miss Edmonds 1890-7-4 Siskiyou Comment
  HSC92869  Juncus mertensianus Jennifer Whipple 1977-7-20 1998 Siskiyou N slopes of Mount Eddy 2500 Comment
  RSA238921  Juncus mertensianus Frederick W. Oettinger 1968-9-10 817 Siskiyou Just south above Horse Range Lake. Salmon Mtns High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  CHSC38989  Juncus nevadensis J. D. Jokerst 1983-7-5 1825 Siskiyou Atkins meadow along east margin. Ca 15 air miles east of McCloud. Comment
  UC1258472  Juncus nevadensis Maralyn A. Renner 1980-8-19 2492 Siskiyou s side Caribou lake; Klamath National Forest, Coffee Creek Quad. Comment
  CHSC105449  Juncus occidentalis Peter F. Zika 2008-7-21 23927 Siskiyou Klamath Range. E side of I-5, near Exit 732, Dunsmuir. 770 Comment
  UC535935  Juncus orthophyllus Elmer I. Applegate 1923-8-17 3837 Siskiyou Medicine Lake Comment
  HSC22485  Juncus parryi J. O. Sawyer 1969-7-25 1534 Siskiyou SE facing upper slope above Sugar Lake 1997 Comment
  CAS-BOT-BC81139  Juniperus communis W. B. C. 1938-8-22 11599 Siskiyou South [Slope] slope of Diller Canyon, on the north slopes of Shastina and Shasta 2743 Comment
  CAS-BOT-BC81142  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou Klamath National Forest, 1/2 mi. W. White. Mt. 1920 Comment
  HSC101736  Juniperus communis Michael Kauffmann, Jeffrey Kane 2013-7-24 16 Siskiyou Ridgeline within the Antelope Creek RNA 2186 Comment
  RSA498099  Juniperus communis L. C. Wheeler 1934-8-14 3123 Siskiyou 0.5 mile west White Mountain, Siskiyou Mountains 1921 Comment
  UC1037460  Juniperus occidentalis Douglas Barbe 1955-6-28 19 Siskiyou 0.6 mi n Callahan (50 yds from the road in a dry gulch); Klamath Mountains 1036 Comment
  UC401378  Juniperus occidentalis Geo. D. Butler 1908-7-1 1105 Siskiyou dry hills near Yreka Comment
  SEINET10531160  Juniperus occidentalis Jeffrey Huber 1971-6-9 Huber 268 Siskiyou 3 mi N of Weed, on US Hwy 97; S facing 20.00 slope; roadside; in Pinus ponderosa, and P. jeffreyi, and Artemisia tridentata and Purshia. 1128 Comment
  CAS-BOT-BC246183  Keckiella lemmonii Nora Pettibone 1894-8-7 s.n. Siskiyou Upper Soda Springs Comment
  RSA447645  Kelloggia galioides Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  CDA43045  Kochia scoparia Michael Pitcairn 2014-9-11 s.n. Siskiyou Butte Valley; Dorris. Comment
  HSC68067  Lagophylla ramosissima J. P. Smith 1976-5-22 8788 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  CDA4175  Lathyrus latifolius T. C. Fuller 1964-10-7 12684 Siskiyou ca. 1 mile southeast of Mt. Shasta City. 0 Comment
  UC1409446  Ledum glandulosum Frederick W. Oettinger 1968-8-2 349 Siskiyou s of Diamond Lake (in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  HSC30621  Lepidium campestre Frederick W. Oettinger 1969-8-5 1214 Siskiyou Young's Cabin, Salmon Mtns. 1463 Comment
  CAS-BOT-BC88927  Lepidium densiflorum var. densiflorum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1013 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
  UC375302  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1909-4-25 588 Siskiyou Cherry Creek Comment
  CAS-BOT-BC341894  Lessingia nemaclada J. O. Sawyer, Jr.; James Payne Smith, Jr. 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at the turnoff to the Proctor Ranch Comment
  JEPS20613  Lessingia nemaclada W. L. Jepson 1907-7-25 2960 Siskiyou Scott Valley Comment
  JEPS80659  Leucocrinum montanum W. B. and V. G. Cooke Jun 1979 3750 Siskiyou Timber Hills Mt. Shasta (garden of Mrs. R. Bangsberg) Comment
  JEPS17290  Lewisia columbiana unknown 1922-5-24 Siskiyou garden of Leonard Joss of Etna Mills Comment
  HSC27337  Lewisia cotyledon J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5707 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC29489  Lewisia cotyledon Frederick W. Oettinger 1968-9-6 746 Siskiyou Marble Mtn. Wilderness Area, ridge trail E of Tom's Lake 2134 Comment
  CHSC99690  Lewisia cotyledon var. cotyledon L. P. Janeway 2008-7-24 9466 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  UC852030  Lewisia cotyledon var. cotyledon John Thomas Howell 1939-8-3 14954 Siskiyou Spirit Lake Marble Mts., Spirit Lake Comment
  CAS-BOT-BC444042  Lewisia cotyledon var. cotyledon Lester Rowntree 1937-7-27 s.n. Siskiyou Caribou Lakes, Siskiyou Lakes [County?] Comment
  CAS-BOT-BC444079  Lewisia leeana John Thomas Howell 1937-7-24 13437 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC1299365  Lewisia leeana Freed W. Hoffman 1951-7-15 4027 Siskiyou above Packers Valley; Marble Mountains 2133 Comment
  CAS-BOT-BC444085  Lewisia leeana Doris K. Kildale 1915-8-26 12218 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  HSC99206  Lewisia leeana J. O. Sawyer 1969-7-2 1033 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  UC922367  Lewisia nevadensis Annie M. Alexander and Louise Kellogg 1949-7-21 5827 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  SEINET10661901  Leymus cinereus Lowell Ahart, John Dittes 2005-6-10 Ahart 12109 Siskiyou T43N, R5W, northwest 1/4 Section 5. 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CDA32475  Leymus triticoides Bill Huse 1960-6-2 4518 Siskiyou Tulelake. 0 Comment
  HSC23691  Ligusticum grayi J. O. Sawyer 1969-8-4 1867 Siskiyou Slope SW of Sugar Lake 2195 Comment
  UC165764  Ligusticum grayi Geo. D. Butler 1908-8-11 459 Siskiyou Shackleford Creek near Quartz Valley; Shackleford Creek Comment
  RSA518681  Lilium kelleyanum L. R. Heckard, P. Rubtzoff 1971-8-1 2686 Siskiyou Road from Stewarts Springs to The Eddys, 4 miles below the summit of Mt. Eddy ridge 1585 Comment
  CAS-BOT-BC130814  Lilium pardalinum Geo. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  UC705659  Lilium pardalinum Marion Ownbey, Fred G. Meyer 1940-7-6 2200 Siskiyou Cayenne Ridge; Marble Mountain Comment
  JEPS105029  Lilium pardalinum subsp. shastense Dean W. Taylor 1996-7-23 15815 Siskiyou Patterson Creek headwaters (about 6 air miles northwest of Etna); Klamath National Forest 1493 Comment
  HSC66256  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-7-5 1494 Siskiyou Doe Flat 1220 Comment
  UC1483484  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-8-8 2433 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1645 Comment
  RSA50161  Lilium rubescens E. K. Balls 1949-7-10 13953 Siskiyou 3 miles from Sawyers Bar on road to Cecilville 1006 Comment
  CAS-BOT-BC133017  Lilium washingtonianum subsp. purpurascens Marion Ownbey; Fred G. Meyer 1940-7-6 2196 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  UC1191631  Linanthus harknessii Herbert L. Mason 1948-7-18 13606 a Siskiyou Grass Lake Comment
  UC1222727  Linanthus harknessii Joseph P. Tracy 1951-6-16 19476 Siskiyou near Oregon-California State line (Summit of the Siskiyous at the crossing of Takilma-Happy Camp Road); Summit of the Siskiyous Comment
  CAS-BOT-BC240392  Linnaea borealis subsp. longiflora W. R. Dudley 1899-8-14 s.n. Siskiyou Near McCloud Comment
  CAS-BOT-BC416402  Linnaea borealis subsp. longiflora W. B. C. 1940-8-8 15421 Siskiyou Mount Shasta, along Squaw Valley Creek below the McCloud intake 1371 Comment
  CAS-BOT-BC94950  Linnaea borealis subsp. longiflora R. C. Wenk 2008-7-25 954 Siskiyou National Forest road 41N16, going N from Forest Hwy. 93/Cecilville Road toward Russian Wilderness 1592 Comment
  RSA0081335  Linnaea borealis subsp. longiflora I. L. Wiggins 1955-7-23 13467 Siskiyou W of China Creek, S side of S fork of Salmon River. 1098 Comment
  SJSU6060  Linum lewisii R. W. Trivelpiece 1971-6-16 32 Siskiyou N of Alder Cr divide between The Whaleback & Haight Mt c. 15 mi N of Mt Shasta 1676 Comment
  RSA183706  Linum lewisii Gilbert Muth 1965-8-6 186 Siskiyou Marble Mountains; backside of Black Mountain Comment
  UCD110605  Linum lewisii var. lewisii P. Quentin Tomich 1954-8-12 443 Siskiyou Indian Well, Lava Beds National Monument. 1463 Comment
  CAS-BOT-BC36575  Lithocarpus densiflorus var. echinoides Wm. Bridge Cooke 1941-9-16 16321 Siskiyou along trail to Castle Lake Road 1219 Comment
  UC1040688  Lithocarpus densiflorus var. echinoides Beecher Crampton 1956-8-21 3850 Siskiyou just above junction of North Fork with Middle and South Forks (canyon of the Sacramento River) 1066 Comment
  CAS-BOT-BC432320  Lithophragma campanulatum Roxana S. Ferris; Laura Lorraine 1948-6-12 11856 -A Siskiyou 1.5 miles below summit of Gazelle Mountain Grade, E side 1417 Comment
  HSC44954  Lithophragma glabrum J. O. Sawyer 1978-6-16 3219 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  HSC91189  Lithophragma glabrum Jennifer Whipple 1978-6-5 2349 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  CAS-BOT-BC435474  Lithophragma glabrum Dorothy Parker 1948-4-14 s.n. Siskiyou Scott Valley 786 Comment
  CAS-BOT-BC325938  Lithospermum californicum A. A. Heller 1905-6-13 8017 Siskiyou Shasta Springs. On the slope between the railroad and the river above Shasta Springs. Comment
  RSA30609  Lithospermum californicum Lincoln Constance, R. Rollins 1942-5-12 2899 Siskiyou Klamath River 12 miles S of Happy Camp. 305 Comment
  SD230185  Lithospermum californicum Louis C. Wheeler 1959-7-24 7589 Siskiyou Salmon & Marble Mountains Region: Ridge between Crawford Creek Gulch. Comment
  SEINET10497325  Lithospermum californicum Mary Susan Taylor 1980-7-8 Taylor 3088 Siskiyou T40N R4W sec 32, Weed quad; Shastan Trinity Natl Forest; on N side of Castle Laek Rd (39N24), ca. 0.9 mi W of its jct with 40N26 at SE side of Lake Siskiyou. 1036 Comment
  HSC76649  Lomatium dissectum var. multifidum K. T. Stillman 1976-8-7 183 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC91133  Lomatium engelmannii Jennifer Whipple 1976-7-14 1470 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC76724  Lomatium macrocarpum K. T. Stillman 1976-8-7 382 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  UCR37581  Lomatium macrocarpum L. P. Janeway 1983-7-3 372 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  HSC22215  Lomatium macrocarpum J. O. Sawyer 1969-7-2 1037 Siskiyou Near summit above Lipstick Lake 2226 Comment
  HSC96814  Lomatium macrocarpum S. Lyon, J. McIntire 2006-6-25 30 Siskiyou 200 ft. W of intersection of FS 39N14 and 39N04 1616 Comment
  OBI81750  Lomatium macrocarpum Tracey Call, Viola Call 1964-6-22 2279 Siskiyou Montague Rd. 5 miles west of Mt. Hebron town Comment
  SEINET13944547 Image available Lomatium macrocarpum Clarence R. Quick 1959-1 59 -12 Siskiyou 3 mi S of Four Corners on ridge SE of Seiad Valley Comment
  CDA38336  Lomatium nudicaule G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2786 Siskiyou West of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. Comment
  RSA78834  Lomatium nudicaule P. A. Munz 1952-7-2 17912 Siskiyou West of Baldy Mountain L.O. 6 air miles west of Happy Camp, Siskiyou Mountains 1768 Comment
  UC1485809  Lomatium peckianum L. Constance 1982-4-23 3899 Siskiyou 4 miles N of Weed on Hwy 5, foot of Mount Shasta Edgewood, near; Mount Shasta 914 Comment
  UC1552567  Lomatium peckianum William J. Ferlatte and Linda M. Barker 1988-5-19 2113 Siskiyou 5 1/2 mi. n.w. Weed (s. end Weed Airport, adjacent to runway taxi-lane, 100 yds. s. of Airport buildings at s. end of Airport Runway) 893 Comment
  JEPS17005  Lomatium piperi Geo. D. Butler 1910-3-14 1130 Siskiyou Yreka hills Comment
  UC337583 Image available Lomatium plummerae unknown 1889-6-28 40 Siskiyou near Shasta Comment
  JEPS109788  Lomatium tracyi Dean W. Taylor 2002-7-27 18282 b Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  SEINET3143888  Lomatium triternatum G. D. Butler 1910-5-21 1380 Siskiyou Klamath Hills Comment
  UC1731420  Lomatium vaginatum Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15983 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  POM78310  Lomatium vaginatum Geo. D. Butler 1910-4-21 1207 Siskiyou Oro Fino Comment
  RSA455709  Lonicera ciliosa Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  HSC42234  Lonicera conjugialis J. D. Mastrogiuseppe 1974-9-2 161 Siskiyou Above Kidd Creek. 1951 Comment
  HSC4904  Lonicera conjugialis J. O. Sawyer 1968-6-25 291 Siskiyou NE of N Horse Range Lake 2012 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
  POM46730  Lonicera interrupta E. B. Copeland 1903-7-5 3492 Siskiyou Klamathon. Comment
  CHSC86459  Lotus corniculatus Jenny Marr 1993-7-1 76 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  UC1045247  Lotus crassifolius var. crassifolius unknown 1940-7-26 15360 Siskiyou Black Butte Spring Mount Shasta 1219 Comment
  JEPS55546  Lotus nevadensis var. nevadensis Geo. D. Butler 1908-6-28 392 Siskiyou Yreka Comment
  UC917242  Lotus nevadensis var. nevadensis R. Tofsrud and J. M. Tucker 1948-8-2 1756 Siskiyou outskirts of McCloud McCloud Comment
  CDA27281  Lotus nevadensis var. nevadensis T. C. Fuller 1960-6-29 4642 Siskiyou Scott Mountain Road, 4.2 miles south of Callahan. 0 Comment
  RSA406245  Lotus oblongifolius Bonnie C. Templeton 1960-6-21 8558 Siskiyou Near the summit of Scott Mt. Comment
  UC163677  Lotus purshianus var. purshianus Geo. D. Butler 1908-7-5 390 Siskiyou near Yreka Comment
  CAS-BOT-BC140205  Luetkea pectinata C. L. Hitchcock; J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  RSA760541  Luetkea pectinata Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63365 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  RSA119493  Lupinus C. P. Smith 1947-5-13 47275 Siskiyou 6.9 miles east of Weed. Highway 97. Comment
  RSA119496  Lupinus C. P. Smith 1947-5-13 47273 Siskiyou 7.4 miles east of Weed. Highway 97. Comment
  RSA498181  Lupinus Chadwick, Chadwick, Glenn Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  LA205035  Lupinus albicaulis Louis Wheeler; 1934-6-11 2689 Siskiyou Siskiyou Mountains, N Hungry Creek 1219 Comment
  UCD105846  Lupinus albicaulis Rimo Bacigalupi; George Bacigalupi Jr. 1959-6-30 7182 Siskiyou southwest of Mt. Shasta (town). 1036 Comment
  JEPS64892  Lupinus albicaulis var. shastensis Willis L. Jepson August 1894 8 t Siskiyou near Sisson; Mt. Shasta, Upton, near Sisson Comment
  UC157016  Lupinus albicaulis var. shastensis Geo. D. Butler 1909-6-23 913 Siskiyou foothills Goosenest; Goosenest foothills Comment
  UC157024  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-7-20 371 Siskiyou Humbug Creek Comment
  SEINET10484556  Lupinus albifrons var. flumineus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6974 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 miles sw of callahan 1524 Comment
  SEINET5766850 Image available Lupinus albifrons var. flumineus D. B. Dunn, B. J. Cox 1971-1 17937 Siskiyou 9 mi N of Weed, US 97 at Whitney Creek 1250 Comment
  CAS-BOT-BC196327  Lupinus albifrons var. flumineus Charles Piper Smith 1949-4-22 49133 Siskiyou Highway 99 - Chafron Auto Camp, Klamath River Canyon Comment
  SEINET10837737  Lupinus andersonii var. andersonii Katherine L. Morris 1973-5-25 Morris 272 Siskiyou 20.7 miles e of mccloud on hwy 89 n an area of libocedrus, yellow pine, white Fir, and mixed conifers Comment
  CHSC69078  Lupinus angustiflorus Vernon Oswald; Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake southeast of Medicine Lake. 2057 Comment
  UC727141  Lupinus arbustus A. A. Heller 1938-7-12 15260 Siskiyou on the old U.S. Highway #97 border of a meadow e Deer Mountain; e of Deer Mountain 1402 Comment
  CAS-BOT-BC196377  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1934-4-20 1757 Siskiyou Near Yreka, along Shasta River Comment
  UC909320  Lupinus aridus Dorothy Parker 1948-7-14 Siskiyou 2 mi from Etna ( Scott Valley) 670 Comment
  CAS-BOT-BC196695  Lupinus breweri var. breweri Elmer I. Applegate 1923-9-7 3967 Siskiyou Dry Lake Lookout Station, Doggett Ridge, south slope of the Siskiyou Mountains Comment
  CAS-BOT-BC215105  Lupinus croceus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mountains 1889 Comment
  CAS-BOT-BC215188  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  UC1481286  Lupinus croceus M. L. Conrad, LeDoux, and Kenney 1973-6-2 6981 Siskiyou 6 mi sw Callahan; sw of Callahan 1524 Comment
  UC157007  Lupinus klamathensis Geo. D. Butler Apr 19 1910-Apr 30 1910 Siskiyou Yreka Comment
  POM27188  Lupinus klamathensis Geo. D. Butler 1910-4-19 1201 Siskiyou Dry hills, Yreka. Comment
  SEINET10937103  Lupinus klamathensis Charles Piper Smith 1940-6-7 Smith 15101 Siskiyou Occasional along the pacific hwy near black butte. 1219 Comment
  HSC27342  Lupinus lapidicola J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5703 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC41642  Lupinus lapidicola Jennifer Whipple 1976-6-12 975 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC75194  Lupinus latifolius subsp. viridifolius K. T. Stillman 1976-7-7 165 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  UCD108249  Lupinus lepidus var. confertus A. A. Heller 1916-7-21 12481 Siskiyou near Upton. 1097 Comment
  UC82256  Lupinus lepidus var. medius Mrs. R. M. Austin Siskiyou Lava Beds near Pot Hole Springs; Lava Beds near Pot Hole Springs Comment
  UCD108577  Lupinus lepidus var. sellulus Freed W. Hoffman 1948-7-13 2652 Siskiyou north of Tennant on Butte Creek road. 1295 Comment
  JEPS83249  Lupinus luteolus W. L. Jepson 1939-7-23 18455 Siskiyou beyond Hambrook at Cedar Grove road station; Yreka Comment
  UC138026  Lupinus microcarpus var. microcarpus Dr. E. B. Copeland 1903-7-2 3537 Siskiyou Klamathon Comment
  CHSC26174  Lupinus obtusilobus J. P. Kroessig 1977-8-5 57 Siskiyou Panther Meadow on Mt. Shasta, n end of Everitt Memorial Hwy., ca. 6 km s of Mt. Shasta Peak. 2285 Comment
  RSA0069563  Lupinus onustus Daisie Huang 2006-8-4 06080405 Siskiyou Castle Lake Road. 1326 Comment
  RSA60881  Lupinus polyphyllus subsp. polyphyllus Frank W. Gould 1938-6-28 487 Siskiyou Near and north of Mt. Shasta (where Highway 97 crosses Butte Creek). 1418 Comment
  RSA414231  Lupinus polyphyllus subsp. superbus M. B. Dunkle 1945-7-24 9247 Siskiyou Klamath National Forest, Marble Mountains; Dads Pocket Comment
  UC922392  Lupinus polyphyllus var. burkei Annie M. Alexander and Louise Kellogg 1949-7-20 5821 Siskiyou Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  RSA215621  Lupinus sellulus subsp. sellulus Gilbert Muth 1969-8-7 1241 Siskiyou Boulder Peak 2530 Comment
  SEINET10490229  Lupinus sellulus var. artulus H. Dearing, M. Dearing 1939-6-5 Dearing 3552 Siskiyou Mccloud. Wet places. 1067 Comment
  SEINET10485922  Lupinus sellulus var. lobbii Donald E. Bright 1962-6-14 Bright 291 Siskiyou Roadside, 2 mi n of weed. Comment
  CAS-BOT-BC7548  Lupinus viridifolius Amos Arthur Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  UC796535  Luzula comosa var. laxa Roxana S. Ferris and Laura Lorraine Jun 12 -16, 1948 11743 Siskiyou French Creek Logging Road west of Callahan 1066 Comment
  CAS-BOT-BC436704  Luzula comosa var. laxa Louis C. Wheeler 1934-6-12 2691 Siskiyou Klamath Forest, North Hungry Creek 1463 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
  HSC68526  Luzula parviflora Maralyn A. Renner 1980-6-24 1021 Siskiyou Tributary stream E Fork Seiad Creek where crossed by FS Rd. 48N20 1021 Comment
  HSC42948  Luzula spicata J. O. Sawyer, K. T. Stillman 1976-7-1 2768 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  POM210923  Lycium barbarum Louis C. Wheeler 1934-11-4 3356 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  RSA0015990  Lythrum californicum Louis C. Wheeler 1934-10-11 3316 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  RSA0015987  Lythrum hyssopifolia Geo. D. Butler 1910-8-3 1811 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC342666  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley 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
  HSC30476  Madia elegans Frederick W. Oettinger 1969-8-10 1328 Siskiyou At Ft. Jones Comment
  HSC72347  Madia elegans J. P. Smith, Linda M. Barker, J. Cole 1976-7-29 8960 Siskiyou Etna Campground 671 Comment
  RSA13387  Madia elegans subsp. densifolia L. C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 549 Comment
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  CAS-BOT-BC334665  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  POM362233  Madia glomerata Donald Myrick 1968-6-25 2008 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Creek, Trinity Alps 1524 Comment
  RSA452627  Mahonia aquifolium L. C. Wheeler 1934-6-15 2716 Siskiyou Hungry Creek, Siskiyou Mts. 1280 Comment
  RSA96933  Mahonia aquifolium P. C. Everett, E. K. Balls 1954-10-12 20271 Siskiyou Beaver Creek from Dutch Creek south 0.5 mi. north of Walker. 549 Comment
  HSC557  Maianthemum racemosum subsp. amplexicaule William J. Ferlatte 1967-6-29 569 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  RSA120635  Maianthemum racemosum subsp. amplexicaule G. D. Barbe 1955-8-1 323 Siskiyou Klamath Mountains: Summit of Mt. Bolivar 2470 Comment
  RSA184813  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1966-7-8 364 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  HSC96871  Maianthemum stellatum Gordon Leppig 1998-7-10 914 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  CAS-BOT-BC514191  Maianthemum stellatum Clarence R. Quick 1959-6-19 59 -16 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  UC165396  Malacothrix floccifera Geo. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  HSC6003  Malacothrix floccifera Lincoln Constance, J. F. Davidson, B. Kasapligil, H. L. Mason 1950-7-15 3355 Siskiyou Scott River, Scott Valley between Fort Jones and Etna 915 Comment
  CAS-BOT-BC271153  Melica Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  JEPS83577  Melica aristata Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-6 9239 Siskiyou Porcupine Lake 1304 Comment
  UC618642  Melica aristata W. Bridge Cooke 1938-7-22 11335 Siskiyou Sisson Southern Trail Mt. Shasta (Transition) Comment
  CHSC91602  Melica californica G. Douglas Barbe; P. Hiatt, M. Keffer 1980-6-5 2810 Siskiyou Cascade Ranges. Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy to Panther Meadows ski area. 1097 Comment
  UC1222353  Melica fugax Joseph P. Tracy 1951-6-16 19479 Siskiyou Takilma-Happy Camp Road Siskiyou Mts. (summit of Siskiyou Mts, about 3 mi s of Calif State Line) Comment
  CAS-BOT-BC282119  Melica geyeri Roxana S. Ferris; Laura Lorraine 1948-6-12 11796 Siskiyou Scott Mountain Rd S of Callahan Comment
  CHSC4362  Melica geyeri J. Potter 1966-5-14 Siskiyou 3 mi se of Callahan Old Oregon Stage Rd. Comment
  CAS-BOT-BC281312  Melica harfordii Marion Ownbey; Fred G. Meyer 1940-7-7 s.n. Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  UC618669  Melica subulata unknown 1938-7-15 11178 Siskiyou Bear Springs; Mount Shasta Comment
  JEPS100299  Melilotus indicus Dean W. Taylor 2001-8-28 17907 Siskiyou 12 air mi NE of McCloud (Ash Creek Butte, western base of); Mount Shasta, upper Sacramento River watershed 1767 Comment
  HSC15846  Mentzelia albicaulis R. C. Wunner 1965-6-6 86 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  HSC15838  Mentzelia laevicaulis R. C. Wunner 1965-8-21 447 Siskiyou Lava Beds National Monument, Canby Cross area 1220 Comment
  HSC22301  Mertensia oblongifolia var. amoena J. O. Sawyer 1969-6-12 883 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  CAS-BOT-BC428557  Micranthes aprica Gilbert Muth 1966-7-31 475 Siskiyou North side of Black Mountain, Marble Mts. 2057 Comment
  CAS-BOT-BC428983  Micranthes ferruginea John Thomas Howell 1937-7-24 13393 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC349368  Microseris nutans Alice Eastwood 1923-5-27 11953 Siskiyou Shasta Springs Comment
  CAS-BOT-BC349370  Microseris nutans Alice Eastwood 1921-7-29 10947 Siskiyou Medicine Lake Comment
  HSC68571  Microseris nutans Maralyn A. Renner 1980-6-23 967 Siskiyou W Fork Seiad Creek 878 Comment
  HSC27506  Microsteris gracilis J. P. Smith, J. O. Sawyer 1972-5-27 5357 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC61899  Microsteris gracilis Ruby Van Deventer 8 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  HSC27979  Mimulus cardinalis Gary S. Lester 1973-7-15 50 Siskiyou In Bridge Creek and along the side of Wooley Creek 485 Comment
  POM43687  Mimulus floribundus Edward Palmer 1892-7-13 2453 Siskiyou Mt. Shasta and vicinity. Comment
  HSC427  Mimulus guttatus William J. Ferlatte 1966-6-22 97 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  POM43854  Mimulus guttatus Geo. D. Butler 1910-7-13 1771 Siskiyou Shackleford Creek. 1220 Comment
  RSA293206  Mimulus guttatus J. P. Smith 1973-5-5 6421 Siskiyou Along Cook and Green Pass road. Comment
  JEPS8234  Mimulus layneae W. L. Jepson 1894-8-9 34 m Siskiyou above Shasta Springs (Horseshoe Bend); Shasta Region Comment
  JEPS86983  Mimulus layneae David M. Thompson 1989-6-29 1023 Siskiyou near Black Butte (hill overlooking railway junction, mid-way between Mt. Shasta city and Weed, 1.2 mi n of I-5 interchage along n part of Truck Village Drive, e side of I-5) 1200 Comment
  UC164261  Mimulus lewisii Geo. D. Butler 1908-8-8 435 Siskiyou Marble Valley Comment
  SEINET515850  Mimulus mephiticus Vernon Oswald 1997-7-28 8774 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  UC1190241  Mimulus microphyllus Ira L. Wiggins 1955-7-22 13444 Siskiyou 9.5 mi above Cecilville; South Fork of Salmon River 1066 Comment
  RSA183419  Mimulus moschatus J. M. Tucker, L. K. Mann 1963-7-4 3690 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  HSC39821  Mimulus moschatus var. moniliformis J. O. Sawyer 1969-8-1 1661 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  JEPS109691  Mimulus nanus Dean W. Taylor 2002-6-10 18131 Siskiyou Scott Mountain, between Grouse Creek and Little Carmen Creek at the junction of Forest Road 40N40 with xxNxx 1005 Comment
  JEPS30989  Mimulus nanus var. jepsonii D. E. Breedlove 1962-6-11 3361 Siskiyou 8.0 mi e McCloud (along State HIghway 89); Cascade Range 1127 Comment
  UCD77261  Mimulus nanus var. jepsonii Robert E. Preston 2002-6-21 1873 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1709 Comment
  JEPS4007  Mimulus nanus var. nanus W. L. Jepson 1907-7-6 2846 Siskiyou Marble Mt. Comment
  UC164054  Mimulus nanus var. nanus Geo. D. Butler 1909-6-29 60 Siskiyou Cherry Creek Comment
  RSA48209  Mimulus nanus var. nanus Roxana S. Ferris, Laura Lorraine 1948-6-12 11851 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  POM5043  Mimulus pilosus E. B. Copeland 1903-7-3 3529 Siskiyou Klamathon. Comment
  HSC82378  Mimulus primuloides Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4531 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  SEINET10756233  Mimulus primuloides subsp. linearifolius Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 881 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UC164262  Mimulus primuloides subsp. linearifolius Geo. D. Butler 1908-8-4 452 Siskiyou head Shackleford Creek 1676 Comment
  HSC72399  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-17 4469 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC72401  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-18 4480 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC96402  Mimulus primuloides var. primuloides Gordon Leppig, J. Kalt 1996-7-9 365 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  JEPS74429  Mimulus tilingii W. J. Ferlatte 1967-8-20 1056 Siskiyou Caribou Basin Trinity Alps, Sawtooth Ridge 2225 Comment
  HSC42964  Minuartia douglasii J. O. Sawyer, K. T. Stillman 1976-5-29 2754 Siskiyou Along Specimen Creek. 884 Comment
  HSC82583  Minuartia douglasii Thomas W. Nelson, Jane P. Nelson 1979-5-26 4708 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CAS-BOT-BC174731  Minuartia nuttallii Doris K. Kildale 1929-8-24 8817 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC174740  Minuartia nuttallii Elmer I. Applegate 1923-8-18 3864 Siskiyou Top of Redshale Mountain, east of Medicine Lake 2438 Comment
  RSA792294  Minuartia nuttallii subsp. gregaria Rebecca Wenk 2008-7-25 948 Siskiyou Road to Kangaroo Lake, 4.3 miles south of turnoff from Gazelle-Callahan Rd. 1616 Comment
  UC852410  Minuartia nuttallii subsp. gregaria A. A. Heller 1916-7-22 12492 Siskiyou Mt. Eddy; e side Comment
  UCD63244  Minuartia nuttallii subsp. gregaria Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. Scott Mountains, Klamath National Forest. 1900 Comment
  UC1483460  Mitella caulescens Maralyn A. Renner 1980-7-14 1721 Siskiyou headwaters of Etna Creek Klamath National Forest, Etna Quad. (near road at switchback) 1706 Comment
  CAS-BOT-BC433021  Mitella diversifolia Alice Eastwood 1923-5-18 11833 Siskiyou Shasta Springs Comment
  UC177421  Mitella diversifolia H. P. Chandler 1555 Siskiyou near Marble Mt. Comment
  CAS-BOT-BC433065  Mitella pentandra Doris K. Kildale 1928-8-19 6553 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  HSC4887  Mitella pentandra J. O. Sawyer 1968-7-10 520 Siskiyou S side of Sugar Creek. 1616 Comment
  UC1409260  Mitella pentandra Frederick W. Oettinger 1968-8-8 376 Siskiyou Base Camp Meadow Salmon Mountains, Marble Mountain Wilderness Area (edge, between Diamond Lake and Hancock Lake, w Siskiyou Co.) 2011 Comment
  HSC22291  Mitella pentandra J. O. Sawyer 1969-6-12 888 Siskiyou Sugar Creek 1515 Comment
  RSA211102  Mitella pentandra William J. Ferlatte 1967-7-9 686 Siskiyou Kidd Creek Trail. Trinity Alps. 1677 Comment
  CAS-BOT-BC433071  Mitella trifida Harley P. Chandler 1901-6-1 1555 a Siskiyou North Coast Ranges. Near Marble Mountain 1828 Comment
  HSC450  Mitella trifida William J. Ferlatte 1967-6-29 570 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  POM91919  Mitella trifida Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mtn. 1220 Comment
  RSA48003  Mitella trifida Roxana S. Ferris 1948-6-12 11783 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  HSC70605  Monardella glauca J. O. Sawyer, R. J. Cole 1981-7-2 4147 Siskiyou Near Scott Mountain Campground 1585 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
  CHSC67842  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3431 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  JEPS63382  Monardella odoratissima subsp. pallida W. L. Jepson 1940-6-27 20049 Siskiyou e slope Mt. Shasta 1676 Comment
  UC917237  Monardella odoratissima subsp. pallida R. Tofsrud and J. M. Tucker 1948-8-2 1757 Siskiyou Cemetery ca. 2 mi s McCloud Comment
  CAS-BOT-BC220359  Monardella odoratissima subsp. pallida Wm. Bridge Cooke 1938-8-21 11544 Siskiyou Horse Camp Flats Comment
  RSA183663  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 154 Siskiyou Dry hillside in Marble Valley, Marble Mtns. Comment
  SEINET10895198  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 346 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  SEINET10582373  Monardella siskiyouensis A. Graff 1993-7-24 Graff 356 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  HSC43026  Monotropa hypopitys J. O. Sawyer, K. T. Stillman 1976-7-2 2798 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  JEPS43285  Montia parvifolia W. L. Jepson 1902-7-17 2066 Siskiyou Devil's Backbone, Trinity Summit to Salmon Summit (on boundary between Humboldt and Trinity Counties); Devil's Backbone Comment
  UCD86406  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Siskiyou County, southeast base of White Ridge, canyon of south fork of Sacramento River. 1371 Comment
  CAS-BOT-BC262677  Muhlenbergia asperifolia Louis C. Wheeler 1934-10-21 3342 Siskiyou Shasta Valley 8 miles NE Gazelle 868 Comment
  UC196950  Muhlenbergia asperifolia Geo. D. Butler 1910-8-21 1848 Siskiyou Shasta Valley Comment
  UC167215  Muhlenbergia filiformis Geo. D. Butler 1910-7-13 1768 Siskiyou wet meadow Shackleford Creek 1219 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
  CAS-BOT-BC275341  Muhlenbergia jonesii W. B. C. 1938-7-29 11401 Siskiyou Above Bear Springs Comment
  RSA239107  Muhlenbergia montana Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1168 Siskiyou Near outlet of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  JEPS94378  Muhlenbergia richardsonis Vernon Oswald and Lowell Ahart 1997-7-28 8800 Siskiyou Pumice Stone Well 0.2 mi s of Medicine Lake Road on Forest Route 15 Pumice Stone Well; , Forest Route 15 1905 Comment
  UCD86974  Muhlenbergia richardsonis R. Tofsrud 1950-7-1 s.n. Siskiyou Hwy. 97, between Cougar and Macdoel. Comment
  RSA256592  Myosotis discolor J. P. Smith 1974-5-25 7478 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  JEPS117462  Myosotis laxa Lowell Ahart, John Dittes 2010-7-30 16944 Siskiyou On the north side of a water ditch, at the edge of the dry upland, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, about 30 yards south of the Shasta River, Shasta Big Springs Ranch, 1.6 miles ( 716 Comment
  RSA77513  Myriophyllum sibiricum Louis C. Wheeler 1935-6-23 3591 Siskiyou Shasta River 2 mi. NW Montague. 762 Comment
  JEPS44090  Nama densa W. B. and V. G. Cooke 1965-7-12 35171 Siskiyou along the Bolam Road below railroad crossing (Mt. Shasta); , along Bolam Road 1371 Comment
  RSA12569  Nama lobbii Carl B. Wolf 1934-7-6 s.n. Siskiyou Southwest side of Mt. Shasta about 1 mile northwest of Wagon Camp. 1524 Comment
  RSA145168  Narthecium californicum Dorothy Parker 1959-7-20 735 Siskiyou Below Rock Fence Lake 1829 Comment
  RSA211312  Narthecium californicum William J. Ferlatte 1966-8-17 402 Siskiyou Northwest side of Caribou Mountain 1829 Comment
  JEPS25587  Navarretia divaricata Rimo Bacigalupi 1959-7-2 7219 Siskiyou near n base of Caribou Mtn. (Big Flat Campground, just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River); Headwaters of South Fork of the Salmon River 1508 Comment
  UCD48606  Navarretia intertexta subsp. propinqua Herbert L. Mason 1948-7-17 13600 Siskiyou Eastern Grass Lake, in forested hills, Siskiyou County. Comment
  RSA565355  Navarretia sinistra Alva Day, Orbelia Robinson 1984-6-29 84 -18 Siskiyou Highway 3, summit just W of Scott Mountain, near Siskiyou-Trinity county line. 1649 Comment
  CAS-BOT-BC219529  Nemophila parviflora Clarence R. Quick 1959-6-19 59 -15 Siskiyou 6,7 [6.7?] miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC230559  Nemophila parviflora var. austiniae Harley P. Chandler 1901-6-1 1706 Siskiyou Near Marble Mountain 1981 Comment
  RSA495513  Nemophila parviflora var. parviflora Elaine Joyal, D. Mehlman 1988-6-25 1273 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  RSA120901  Noccaea Milo S. Baker 1957-6-16 13140 Siskiyou Scott Mountains Comment
  CAS-BOT-BC60571  Noccaea fendleri subsp. glauca Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Trinity Mountains. Gumboot Lake. 1828 Comment
  HSC81568  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-17 6075 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC44495  Noccaea fendleri subsp. glauca K. Irwin 1977-5-21 369 Siskiyou Hayden, 1 mi. E of Scott Mtn., E of road 40N08 Comment
  HSC4879  Nothochelone nemorosa J. O. Sawyer 1968-9-9 651 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  JEPS74468  Nothochelone nemorosa W. J. Ferlatte 1967-8-21 1076 Siskiyou between Caribou Basin and Little South Fork Lake (Trinity Alps, Sawtooth Ridge); Trinity Alps, Sawtooth Ridge 2286 Comment
  UC637030  Nothochelone nemorosa Edward Lee 1934-8-13 1089 Siskiyou Happy Camp to Waldo (Oregon) Road, Klamath National Forest, watershed of West Branch of Indian Creek West Branch of Indian Creek; Klamath National Forest 1463 Comment
  HSC63244  Nothochelone nemorosa M. A. Baker 1979-7-31 1084 Siskiyou Marble Mtn. Wilderness, Tickner Hole 3100 Comment
  RSA420390  Nothochelone nemorosa M. B. Dunkle 1944-8-25 9165 Siskiyou Sikiyou Nat'l Forest. Coastal northern California. 1768 Comment
  UCD110225  Notholithocarpus densiflorus var. echinoides B. Crampton 1956-8-21 3850 Siskiyou Canyon of the Sacramento River just the junction of the North Fork with Middle and South Forks. 1066 Comment
  CHSC4521  Oenothera elata subsp. hirsutissima J. E. Bowlin 1967-7-18 44 Siskiyou Off roadside, ca. 13.9 mi w of Mount Shasta Ski Bowl. 1158 Comment
  RSA52140  Olsynium douglasii Dorothy Parker 1948-4-11 s.n. Siskiyou Low foothills near Etna 915 Comment
  CDA7548  Onopordum acanthium J. R. Grisham 1963-6-25 Siskiyou In town of Dorris. 0 Comment
  RSA139033  Onopordum tauricum Dorothy Parsons, T. C. Fuller 1960-7-26 4878 Siskiyou W edge Meiss Lake Basin, just S Sam's Neck, alt 15 miles SW Dorris Comment
  RSA139036  Onopordum tauricum T. C. Fuller 1960-6-30 4648 Siskiyou F. Voelker property, Wedge Meiss Lake Basin just south Sam's Neck, ca. 15 miles southwest Dorris Comment
  HSC92269  Oreostemma alpigenum var. andersonii Jennifer Whipple 1976-9-2 1763 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  JEPS87126  Oreostemma alpigenum var. andersonii Dean W. Taylor 1992-9-18 13230 Siskiyou .5 m below, (watershed South Fork Sacramento River) Gumboot Lake; South Fork Sacramento River, Gumboot Creek 1844 Comment
  CAS-BOT-BC502908  Orobanche fasciculata G. J. Muth 1969-8-10 1320 Siskiyou Ridge west of Boulder Peak 2377 Comment
  JEPS51820  Orobanche uniflora subsp. occidentalis Theodore Niehaus 1966-6-20 719 Siskiyou Open slopes just below Little Castle Lake along trail from Castle Lake. Comment
  RSA237408  Orogenia fusiformis Frederick W. Oettinger 1969-7-13 999 Siskiyou By Upper English Lake campsite at NE corner of the lake (only seen on this collection site). Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC19204  Orthilia secunda J. O. Sawyer 1968-7-22 561 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC637089  Orthilia secunda Edward Lee 1934-8-13 1087 Siskiyou waterhead of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  UC922457  Orthilia secunda Annie M. Alexander and Louise Kellogg 1949-7-28 5877 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  RSA0083186  Orthilia secunda M. B. Dunkle 1944-8-25 9168 Siskiyou Hungry Creek. 1829 Comment
  JEPS16355  Orthocarpus cuspidatus subsp. copelandii Peter H. Raven 1956-9-4 10388 Siskiyou ridge s Mount Eddy; s of Mount Eddy 2286 Comment
  UC1360409  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker 1963-8-19 3784 Siskiyou ca 1/2 mi ne Marble Valley Guard Station (Upper Canyon Creek); Marble Mountain Wilderness Area, Upper Canyon Creek 1920 Comment
  RSA237571  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-12 251 -b Siskiyou Between Tom Taylor Cabin meadows and the large meadow northwest of English Peak Lookout. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  SJSU3582  Orthocarpus imbricatus M. D. Fleschner 1965-7-14 140 Siskiyou c. 3 mi SE of Bartle on State Rte 89 1219 Comment
  HSC22172  Osmorhiza berteroi J. O. Sawyer, D. E. Anderson 1969-7-18 1382 Siskiyou Near South Russian Creek 1890 Comment
  RSA459006  Osmorhiza berteroi M. B. Dunkle 1944-6-25 9008 Siskiyou Siskiyou National Forest. 1677 Comment
  HSC92939  Oxyria digyna Jennifer Whipple 1977-7-20 1995 Siskiyou N slopes of Mount Eddy 2500 Comment
  CHSC102569  Packera cana L. P. Janeway 2009-8-4 9904 Siskiyou High Cascade Range. Mt. Shasta, north slope; 3.7 air km south-southwest of Northgate Trailhead. 2783 Comment
  UC53872  Packera cana H. M. Hall and E. B. Babcock June 1903 4095 Siskiyou near Sheep Rock; n side Mount Shasta 853 Comment
  CAS-BOT-BC316760  Packera cana A. Heller 1921-7-17 s.n. Siskiyou Occasional on the long gravelly slope of Mt. Eddy west of Wagon Creek.Hudsonian 2286 Comment
  HSC101758  Panicum dichotomiflorum subsp. dichotomiflorum J. P. Smith, J. O. Sawyer 2011-9-4 13413 Siskiyou Along Ball Mountain-Little Shasta-Mt. Hebron Road. 877 Comment
  JEPS84272  Parnassia californica L. R. Heckard with J. Hickman 1986-7-16 6442 Siskiyou 5 mi n of the town of Seiad Valley (se of Red Butte, Lily Pad Lake); Lily Pad Lake 1770 Comment
  CAS-BOT-BC202860  Paxistima myrsinites Doris K. Kildale 1928-8-18 6448 Siskiyou Head of north fork Salmon River at Finley's Upper Camp Comment
  HSC4833  Paxistima myrsinites J. O. Sawyer 1968-9-13 709 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  RSA237261  Paxistima myrsinites Frederick W. Oettinger 1968-8-24 626 Siskiyou By New York Flumes about 10 min. down-stream from Tom's Lower Pond; Tom's Lake Basin. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1185941  Paxistima myrsinites L. E. Detling 1950-6-9 6598 Siskiyou Black Butte Summit (Hwy. 99) 1188 Comment
  UC1280891  Paxistima myrsinites H. E. McMinn 1931-6-27 2514 Siskiyou Mt. Shasta City Comment
  UC54486  Paxistima myrsinites H. M. Hall and E. B. Babcock June, 1903 4075 Siskiyou near Upton; Sierra Nevada Mts., Mt. Shasta 1219 Comment
  UC635621  Paxistima myrsinites H. L. Mason 1929-5-18 5329 Siskiyou hills along Shasta Creek Canyon Shasta Creek Canyon Comment
  SJSU2595  Pectiantia pentandra H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr & W Branch Indian Cr, Siskiyou Mts 1219 Comment
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Jan 11 2010
  RSA68859  Pedicularis aurantiaca A. E. Culbertson 1943-6-29 97 Siskiyou Castle Lake, 5434', in a north facing cirque with and abrupt 1000' backwall; 14 miles SW of Mt Shasta on N side of a 6600' eastern spur of Trinity Mts; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  UC1334019  Pedicularis bracteosa var. flavida Dorothy Parker 1949-7-10 335 Siskiyou near Paradise Lake; Siskiyou Mountains, Salmon Mountain 1981 Comment
  UC922339  Pedicularis bracteosa var. flavida Annie M. Alexander and Louise Kellogg 1949-7-19 5810 Siskiyou Paradise Lake; Marble Mountains 1920 Comment
  CHSC1838  Pedicularis densiflora M. Yoder 1941-6-28 Siskiyou Castle Lake. 1920 Comment
  POM43422  Pedicularis flavida Geo. D. Butler 1910-7-10 1735 Siskiyou Upper Campbell Lake, Shackleford Creek. 1524 Comment
  HSC66235  Pedicularis howellii Maralyn A. Renner 1980-7-24 1944 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  CHSC1846  Pedicularis racemosa E. G. England 1939-7-16 Siskiyou Mt. Eddy. 1981 Comment
  HSC60797  Pedicularis racemosa Ruby Van Deventer 1962-8-14 Siskiyou Bell Echo Camp in Youngs Valley 1372 Comment
  POM301725  Pellaea brachyptera Marion Ownbey, D. H. Brown 1941-6-22 2424 Siskiyou West of Craggy Mountain, northwest of Yreka Comment
  UC1013123  Pellaea brachyptera A. R. Kruckeberg 1951-9-3 2002 Siskiyou just w of town of Mt Shasta (across river, dirt rd above Joe Spini Ranch, between Wagon Creek and Deer Creek Bridges) Comment
  HSC22280  Pellaea brachyptera J. O. Sawyer 1968-9-10 761 Siskiyou Boulder Peak 1829 Comment
  SEINET10529795  Pellaea brachyptera Mary Susan Taylor 1980-7-8 Taylor 3090 Siskiyou T40N R5W sec 35, Weed quad; Shastan Trinity Natl Forest; along Rd 40N43, at W end of Lake Siskiyou. 1372 Comment
  UCSB25541  Pellaea mucronata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass Road; 21.3 miles north of Seiad Valley 1310 Comment
  JEPS23801  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer and Don Liles 1959-7-9 7259 Siskiyou Poker Flat 1536 Comment
  UCR37818  Penstemon anguineus K. T. Stillman 1976-7-22 292 Siskiyou Marble Mountain Wilderness Area Comment
  JEPS86094  Penstemon anguineus Wayne Roderick 1966-6-26 Siskiyou n Seiad Valley (Pass over Crest of Siskiyou Mtns, Cook and Green Pass and Creek); Pass over Crest Siskiyou Mtns, Cook and Green Pass and Creek 1371 Comment
  CLARK-A1528-1220  Penstemon davidsonii John C. Roos 1948-9-1 3983 Siskiyou Etna Comment
  CAS-BOT-BC265379  Penstemon davidsonii var. davidsonii Alice Eastwood 1921-7-28 10889 Siskiyou Little Mount Hoffman Comment
  CAS-BOT-BC265385  Penstemon davidsonii var. davidsonii Louis C. Wheeler 1934-8-5 3044 Siskiyou Condrey Mountain, Siskiyou Mountains 2164 Comment
  HSC662  Penstemon deustus William J. Ferlatte 1967-7-9 678 Siskiyou Kidd Creek Trail 1768 Comment
  HSC67812  Penstemon deustus J. O. Sawyer, J. Cole 1980-7-21 3826 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  HSC69125  Penstemon deustus Maralyn A. Renner 1980-8-7 2383 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  SEINET13763668 Image available Penstemon deustus R. R. Halse 2016-5-29 9720 Siskiyou Along Hilt Road, E of Hilt by its intersection with I-5. 939 Comment
  RSA238831  Penstemon deustus Frederick W. Oettinger 1967-8-3 238 Siskiyou Northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1941 Comment
  POM237613  Penstemon deustus subsp. deustus C. Leo Hitchcock, J. S. Martin 1939-7-7 5293 Siskiyou North side of Sanger Peak. 1646 Comment
  CHSC49026  Penstemon deustus var. pedicellatus Vernon Oswald 1986-5-29 2077 Siskiyou Hwy 97 between Weed and Grass Lake, 8.6 mi ne of Weed. 1066 Comment
  NY609828  Penstemon deustus var. suffrutescens F. W. Pennell 1940-7-17 26168 Siskiyou West of Etna 1280.2 Comment
  SDSU10942  Penstemon filiformis D. F. Howe 1979-6-25 5197 Siskiyou 2 miles E of Soms Bar. Comment
  UC690306  Penstemon gracilentus Elmer I. Applegate 1923-8-18 3856 Siskiyou w slope of Redshale Mountains , w slope of Redshale Mountain (Medicine Lake region) 2133 Comment
  POM146623  Penstemon gracilentus A. A. Heller 1922-7-15 13691 Siskiyou At Medicine Lake in front of the ranger station. 2134 Comment
  NY601594  Penstemon heterodoxus var. shastensis A. A. Heller 1938-7-13 15269 Siskiyou Along U.S. Highway 97, just south of Bray 1402.1 Comment
  UCD124274  Penstemon heterodoxus var. shastensis Jack Major 1961-7-14 639 Siskiyou Wagon Camp Meadow, Mount Shasta. 1737 Comment
  HSC97132  Penstemon laetus subsp. sagittatus L. Ahart, John Dittes 2005-6-9 12029 Siskiyou Hill, S of rock fence, 100 yds. NE of where cattle water in Shasta River, 3/5 mi. S of Hwy. 99/97 Cutoff, 2.5 mi. ESE of Grenada 775 Comment
  HSC21016  Penstemon laetus subsp. sagittatus R. C. Wunner 1965-7-13 389 Siskiyou 0.2 mi. on Dragon Head Rd. 1372 Comment
  RSA700414  Penstemon laetus subsp. sagittatus Noel Holmgren, James L. Reveal 1966-6-9 2678 Siskiyou US 97, Shasta Valley, 4 mi. north of Weed. 1159 Comment
  CHSC99994  Penstemon laetus var. sagittatus L. P. Janeway 2008-7-25 9501 Siskiyou Klamath Ranges. Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass; 0.4 km southeast of Red Butte. 1736 Comment
  NY604559  Penstemon laetus var. sagittatus A. A. Heller 1905-6-9 8009 Siskiyou Montague Comment
  UC585180  Penstemon laetus var. sagittatus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1953 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta, on highway from Bray to Weed); n slope Mt. Shasta, s of Sheep Rock 1249 Comment
  CHSC1875  Penstemon newberryi N. Jeakel 1939-7-29 Siskiyou Mt. Eddy. 2286 Comment
  CHSC9487  Penstemon newberryi J. F. Goodwin 1971-7-3 137 Siskiyou West roadside, 7.7 mi. south of Mount Shasta Ski Bowl area. 1584 Comment
  SEINET10548070  Penstemon newberryi Mary Susan Taylor 1980-7-8 Taylor 3089 Siskiyou T40N R5W sec 35, Weed quad; Shastan Trinity Natl Forest; along Rd 40N43, at W end of Lake Siskiyou. 1372 Comment
  HSC4840  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-9-9 656 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  CAS-BOT-BC239341  Penstemon newberryi var. berryi W. R. Dudley 1893-6-1 s.n. Siskiyou Castle Crag [Crags], near Mt. Shasta Comment
  JEPS25168  Penstemon newberryi var. newberryi G. Thomas Robbins 1959-6-10 4040 Siskiyou about one mi n of highway summit on U.S. 99 between Mt. Shasta and Weed (on w side of Black Butte); w side of Black Butte, btw Mt. Shasta (town) and Weed 1188 Comment
  CAS-BOT-BC482443  Penstemon parvulus Dana York 2011-8-12 3048 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-facing slope of Marble Mountain 2055 Comment
  JEPS104858  Penstemon parvulus Dean W. Taylor 1996-7-7 15813 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  UC1483407  Penstemon parvulus Maralyn A. Renner 1980-8-7 2425 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  NY638942  Penstemon procerus var. brachyanthus J. T. Howell 1937-7-24 13390 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981.2 Comment
  NY639268  Penstemon procerus var. formosus A. A. Heller 1920-7-9 13427 Siskiyou Near the summit of Mt. Eddy Comment
  HSC68490  Penstemon roezlii Maralyn A. Renner 1980-6-9 852 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  POM44448  Penstemon roezlii Geo. D. Butler 1910-6-9 1579 Siskiyou Foothills of the Goosenest Mtns. Comment
  UC1238953  Penstemon roezlii Freed W. Hoffman 1948-7-7 2407 Siskiyou Scott Mountain road, from summit along Scott Mountain Creek to Trumbull Ranch; North Coast Ranges, Scott Mountain road Comment
  UC722467  Penstemon rupicola C. L. Hitchcock and J. S. Martin 1939-7-6 5231 Siskiyou on Takilma - Happy Camp road (peak above and n of Divide of Siskiyou Mts.); peak above and n of Divide of Siskiyou Mts. 1828 Comment
  JEPS11387  Penstemon speciosus Geo. D. Butler 1908-6-25 430 Siskiyou near Yreka (Butler's Ranch); near Yreka, Butler's Ranch Comment
  UC144615  Penstemon speciosus A. A. Heller 1905-6-8 7991 Siskiyou Yreka; ; Yreka, Siskiyou Co. Comment
  UC164359  Penstemon speciosus Geo. D. Butler 1909-6-20 430 Siskiyou near Yreka; near Yreka Comment
  UCSB21264  Penstemon speciosus Bell, David 1966-6-21 Siskiyou East side of U.S. Hwy. 97, 14 miles NE of Weed 1371 Comment
  NY661066  Penstemon speciosus subsp. speciosus D. D. Keck 1940-6-13 5169 Siskiyou North side of town on Route 97 Comment
  HSC29411  Perideridia howellii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1309 Siskiyou Marble Mountain Wilderness Area, W of English Lake above main campsite 1799 Comment
  CHSC91237  Perideridia lemmonii Lowell Ahart; John Dittes 2005-6-10 12112 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC1312871 Image available Perideridia leptocarpa L. Constance, T. I. Chuang and Fei-Mei Chuang, M. Sousa 1966-6-15 3768 Siskiyou 5 mi nw Cecilville (slope above Trinity River); Trinity River; NW of Cecilville, Siskiyou Co. 762 Comment
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Mar 2 2015
  UC1390011  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-7 5882 Siskiyou 2.7 mi n Callahan (on road to Etna) Comment
  CDA38507  Perideridia oregana D. H. Shaw 1982-7-16 s.n. Siskiyou Butte Valley near Dorris. 0 Comment
  HSC405  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-2 233 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  CAS-BOT-BC423363  Peritoma serrulata Elmer I. Applegate 1923-8-21 3927 Siskiyou South end of Little Klamath Lake Comment
  HSC17506  Persicaria lapathifolia Geo. D. Butler 1908-7-8 191 Siskiyou Butler's Ranch. near Yreka Comment
  UC1191937  Petroselinum crispum Verne Grant and Irving Schneider 1947-8-25 8279 Siskiyou w side Tule Lake; w side of Tule Lake Comment
  CHSC30213  Phacelia cookei B. Williams 1980-6-10 Siskiyou On both sides of Military Pass Rd, ca. 4 mi s of Klamath Falls Hwy, ca. 4 mi n of Mt. Shasta. 1371 Comment
  JEPS75572  Phacelia cookei W. B. and V. G. Cooke 1968-7-1 39233 Siskiyou Andesite Road near junction with U.S. Highway 97 (n base of mt.); Mt. Shasta 1524 Comment
  UC1475688  Phacelia cookei Clifton and Ground 1978-6-14 1040 Siskiyou near Andesite (close to town of Weed); Whaleback quadrangle 1464 Comment
  HSC61920  Phacelia corymbosa Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  UC901813  Phacelia corymbosa L. Constance 1950-7-16 3361 Siskiyou summit Little Grayback Peak 1859 Comment
  HSC67656  Phacelia dalesiana J. P. Smith, J. O. Sawyer 1972-5-27 5351 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  SFV3013  Phacelia greenei L. Constance, H. L. Mason, J. F. Davidson, J. M. Tucker 1947-5-17 3200 Siskiyou Summit of northwest spur of Scott Mountain. 1829 Comment
  SDSU6611  Phacelia hastata subsp. compacta D. F. Howe 1962-7-4 Siskiyou Near summit of Baldy Mt. Comment
  UC60950  Phacelia hastata subsp. compacta Geo. B. Grant September 1902 5126 Siskiyou Horse Camp Mount Shasta 2438 Comment
  JEPS81015  Phacelia heterophylla subsp. virgata J. P. Smith and Steve Selva 1970-6-15 Siskiyou 1 mi w junction Calif. 3 and Road 8 leading to Sugar Creek (sw of Callahan) 1158 Comment
  RSA170220  Phacelia heterophylla subsp. virgata W. L. Jepson 1940-6-23 19983 Siskiyou Two miles east of Montague. 823 Comment
  RSA211171  Phacelia humilis var. humilis W. J. Ferlatte 257 Siskiyou Mountain Meadow Ranch. 1524 Comment
  CAS-BOT-BC145046  Phacelia leonis Lincoln Constance; Rimo Bacigalupi; Lawrence R. Heckard 1960-7-20 3691 Siskiyou Twin Valley, ca. 5 miles southwest of Poker Flat, Siskiyou Mountains 1554 Comment
  UC796504  Phacelia linearis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11832 Siskiyou between Callahan Gazelle; Gazelle Mountain Grade 1499 Comment
  UC1426026  Phacelia mutabilis Frederick W. Oettinger 1968-8-11 482 Siskiyou dry stream banks just below Tom Taylor Cabin Spring; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 2042 Comment
  UC1222906  Phacelia mutabilis Joseph P. Tracy 1951-6-16 19482 Siskiyou at crossing of the Tikilma-Happy Camp Rd summit of the Siskiyous (near OR-CA state line) Comment
  RSA105482  Phacelia pringlei G. D. Barbe 1955-7-26 276 Siskiyou At a spring, north slope of Scott Mountain. 1829 Comment
  UCSB14940  Phacelia procera Breedlove, Dennis 1961-7-5 Siskiyou 14.0 miles southeast of Obrien on road to Happy Camp, Siskiyou Mountains 1463 Comment
  JEPS107317  Phacelia ramosissima var. ramosissima Lowell Ahart, John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA715804  Phacelia ramosissima var. ramosissima L. Ahart, John Dittes 2005-6-10 12084 Siskiyou About 50 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  RSA17695  Phacelia ramosissima var. ramosissima Elmer I. Applegate 1935-6-5 9300 Siskiyou Capt. Jack s Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC77413  Philadelphus lewisii Carl B. Wolf 1930-10-23 1759 Siskiyou Along the Klamath River 1 mile above Hamburg 243 Comment
  UCR17259  Philadelphus lewisii subsp. californicus Frank C. Vasek 1975-6-29 750629- 04 Siskiyou 5.4 mi SW of Gazelle Comment
  HSC86559  Phleum alpinum D. K. Imper 1987-7-21 4500 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  RSA467441  Phleum alpinum M. B. Dunkle 1945-7-24 9259 Siskiyou Klamath National Forest, Marble Mts. Comment
  UCD37075  Phleum alpinum Beecher Crampton 1956-8-21 3806 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UCD77913  Phleum alpinum Robert E. Preston 2001-6-23 1605 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  CAS-BOT-BC250948  Phleum pratense William A. Dayton 1912-7-28 165 Siskiyou Shasta National Forest, Ash Creek Sink 1219 Comment
  CAS-BOT-BC250950  Phleum pratense Wm. Bridge Cooke 1938-7-15 11201 Siskiyou Mount Shasta. Along creeks in Bear Springs Comment
  UC1560412  Phlox adsurgens E. Joyal and D. Mehlman 1988-6-25 1275 Siskiyou Happy Camp to Takilma road (at turn-off to Bolan Lake) 1524 Comment
  UC1736666  Phlox adsurgens Dean W. Taylor 1972-7-3 1590 Siskiyou Cook and Green Pass 1371 Comment
  HSC36671  Phlox adsurgens Brent Whitely 1975-6-28 Siskiyou 915 Comment
  UC52514  Phlox austromontana Geo. B. Grant Sep 1902 5099 Siskiyou Horse Camp Mount Shasta 2438 Comment
  HSC45810  Phlox diffusa J. P. Smith, J. O. Sawyer 1972-5-27 5350 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC4819  Phlox diffusa J. O. Sawyer 1968-9-9 667 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC76983  Phlox diffusa K. T. Stillman 1976-6-25 63 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  SBBG30601  Phlox diffusa D. Myrick 1968-6-27 2048 Siskiyou Yellow Rose Mine above Big Flat, head of Coffee Crk; Trinity Alps 1828 Comment
  SEINET3145501  Phlox diffusa G. D. Butler 1910-5-10 1320 Siskiyou Goosenest foothills 1676 Comment
  UC1733804  Phlox diffusa Kay H. Beach, Frank Gould 1940-5-15 765 Siskiyou Bull Meadows. Comment
  UC726851  Phlox gracilis A. A. Heller 1916-6-20 12396 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  JEPS105405  Phlox hirsuta Dean W. Taylor 1996-5-29 15637 Siskiyou Highway 3 about 4 miles east of southern edge Yreka; Soap Creek Ridge 822 Comment
  POM75052  Phlox speciosa subsp. occidentalis Geo D. Butler 1910-4-15 1175 Siskiyou Yreka. Comment
  UCR143103  Phoradendron densum L. C. Wheeler 1934-6-26 2789 Siskiyou Siskiyou Mtns., Camp Lowe, Klamath River 765 Comment
  CAS-BOT-BC171212  Phoradendron serotinum subsp. tomentosum Doris K. Kildale 1929-5-31 9124 Siskiyou Cecilville, S Fork of Salmon River Comment
  UC163742  Phoradendron villosum Geo. D. Butler 1908-7-4 276 Siskiyou Shasta R. Comment
  CAS-BOT-BC140525  Physocarpus Alice Eastwood 1912-7-21 1273 Siskiyou Sisson Comment
  CAS-BOT-BC78162  Picea breweriana Marion Ownbey; Fred G. Meyer 1940-7-6 2205 Siskiyou Summit of Cayenne Ridge on west side, Marble Mountain Comment
  CAS-BOT-BC78167  Picea breweriana Doris K. Kildale 1928-8-19 6561 Siskiyou Hancock Lake - trail to Marble Mt. 2133 Comment
  CAS-BOT-BC78170  Picea breweriana Marion Ownbey; Fred G. Meyer 1940-7-6 2205 Siskiyou Summit of Cayenne Ridge on west side, Marble Mountain Comment
  RSA384261  Picea breweriana M. B. Dunkle 9200 Siskiyou Klamath Nat l Forest, Marble Mountains, Sierra Nevada. Comment
  UC1134169  Picea breweriana R. C. Bacigalupi 1935-10-21 2370 Siskiyou 1/2 mi ne summit of road between Waldo and Happy camp; Siskiyou National Forest, Seiad Quadrangle Comment
  UC407005  Picea breweriana Peter Bennett 1928-7-11 Siskiyou head of No Nothing Creek Salmon Mts., No Nothing Creek Comment
  CAS-BOT-BC78159  Picea breweriana W. R. Dudley 1899-7-6 s.n. Siskiyou South slope Siskiyou Big Meadow Comment
  JEPS35939  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans, and finally one takes the Dillon Mountain road) 1219 Comment
  JEPS35940  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans and finally one takes the Dillon Mtn. road) 1219 Comment
  NY30481  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
  RSA593941  Picea breweriana L. C. Wheeler 1963-9-3 8347 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  LA6021  Pinus albicaulis Wm. Bridge Cooke; 1939-8-22 13884 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  UC1045296  Pinus albicaulis W. B. Cooke 1940-8-8 15454 Siskiyou on the ridge e Horse Camp; Mount Shasta 2590 Comment
  CAS-BOT-BC78325  Pinus attenuata Marion Ownbey; Fred G. Meyer 1940-7-7 2219 Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  NY579173  Pinus attenuata T. charlet 1996-12-15 2350 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
  SFV20775  Pinus balfouriana J. Briggs 2007-2-20 s. n. Siskiyou Salmon Trinity Alps, Preachers Peak. 2160 Comment
  HSC103160  Pinus contorta subsp. murrayana Michael Kauffmann 2013-8-7 20 Siskiyou South China Mountain 2395 Comment
  RSA0116434  Pinus contorta var. murrayana E. K. Balls, P. C. Everett 1952-10-13 18194 Siskiyou 6.9 mi E of McCloud, Hwy 89. 1067 Comment
  HSC26224  Pinus jeffreyi J. P. Smith, J. O. Sawyer 1972-5-27 5359 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  RSA120899  Pinus jeffreyi Milo S. Baker 1957-6-16 13148 Siskiyou Along highway 8 W of Hazelle. [label data illegible]; Shasta valley. Comment
  CAS-BOT-BC73091  Pinus lambertiana Peter H. Raven 1956-9-5 10465 Siskiyou North Fork of the Sacramento River 1584 Comment
  HSC44630  Pinus lambertiana Jerome Peterson 1978-5-20 16 Siskiyou USFS Camp along Camp Three Rd., Bulk Collection # 131 Comment
  UC141586  Pinus monticola Dr. E. B. Copeland 1903-9-8 3806 Siskiyou Mt. Eddy Pacific Coast, Mt. Eddy 1524 Comment
  CAS-BOT-BC72871  Pinus ponderosa L. B. Kildale 1930-6-1 9775 Siskiyou Black Bear Trail to Sawyers Bar Comment
  SEINET8408406  Pinus sabiniana Frank Callahan 2006-1 Siskiyou forks of Salmon, South Fork. Comment
  UCD120771  Plagiobothrys bracteatus K. L. Chambers; C. G. Carlbom 1962-4-21 2109 Siskiyou Hwy. 99, 5.6 mi. s. of the center of Yreka. Comment
  SD76179  Plagiobothrys hispidus Helen V. Witham 1969-10-9 593 Siskiyou Common on clearing, Mt. Shasta. 1500 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
  POM72151  Plagiobothrys nothofulvus Geo. D. Butler 1909-4-4 585 Siskiyou Yreka Comment
  POM72152  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou Near Yreka. Comment
  RSA183677  Plantago lanceolata Gilbert Muth 1965-8-16 226 Siskiyou Marble Valley Guard Station. Marble Mtns. Near trail. Comment
  HSC69053  Platanthera dilatata var. leucostachys Maralyn A. Renner 1980-8-6 2310 Siskiyou Cracker Meadow 1555 Comment
  SBBG30576  Platanthera dilatata var. leucostachys D. Myrick 1968-6-28 2053 Siskiyou Mtn Meadow Ranch, Big Flat, head of Coffee Crk 1524 Comment
  SEINET999812  Platanthera dilatata var. leucostachys Mark Fishbein, Lane Greer 2006-1 Siskiyou Comment
  JEPS80567  Platanthera leucostachys Gilbert Muth 1965-8-4 168 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  CDA39508  Platanthera leucostachys T. C. Fuller 1966-5-26 14715 Siskiyou Between road and railroad tracks, north end of Mt. Shasta City. 0 Comment
  RSA237636  Platanthera leucostachys Frederick W. Oettinger 1968-8-7 442 Siskiyou SW of Tabacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC618751  Pleuricospora fimbriolata W. Bridge Cooke 1938-8-5 11460 Siskiyou Sisson Southern Trail, Canadian 1828 Comment
  RSA22160  Poa J. T. Howell 1937-7-24 13403 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  HSC36818  Poa bulbosa J. P. Smith 1974-5-27 7615 Siskiyou Along FS Rd. 47N03 1280 Comment
  SBBG30565  Poa bulbosa D. Myrick 1968-6-25 2009 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UCD90665  Poa bulbosa Morris Halperin 1930-5-17 304 Siskiyou Montague. Right off railroad station. Comment
  JEPS73748  Poa compressa George D. Butler 1908-7-1 485 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  CAS-BOT-BC256017  Poa pratensis R. E. Frenkel 1963-7-13 224 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River RR crossing near Mount Shasta 1176 Comment
  CAS-BOT-BC256018  Poa pratensis John Thomas Howell; T. C. Fuller 1980-4-29 53431 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  SACT001940  Poa pratensis G. Kimber 1934-6-9 Siskiyou 1/8 mile above junction with Sacramento River. Comment
  CHSC91222  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-10 12127 Siskiyou Rocky hill, north of the rock fence, about 200 yards east 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
  UC1265428  Poa pratensis subsp. pratensis Frederick W. Oettinger and R. F. Thorne 1969-8-5 1191 Siskiyou trail English Lake to Abbotts (vicinity of English Peak); Salmon Mts, High Lake Basins, Marble Mt Wilderness Area Comment
  CDA18408  Poa secunda G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-28 2594 Siskiyou Cascade Range; 2.5 miles south of Grenada Station, 0 Comment
  JEPS116631  Poa secunda Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -007 Siskiyou North side of Mt. Shasta, south of Hwy 97 Mt. Shasta 1090 Comment
  POM198427  Poa secunda Geo D. Butler 1910-4-19 1200 Siskiyou Yreka Comment
  POM228868  Poa secunda L. C. Wheeler 1935-6-30 3635 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  SBBG52182  Poa secunda C. Davidson 1975-6-5 2657 Siskiyou just above gate on special service rd branching S off rd from Gazelle to Callahan, 9.3 mi W of Gazelle; Klamath Nat Forest 1470 Comment
  UC196944  Poa secunda subsp. secunda Geo. D. Butler 1910-5-6 1294 Siskiyou hill near Yreka Comment
  UC820882  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou head Jaynes Canyon; Siskiyou Mts 1920 Comment
  CAS-BOT-BC244179  Poa trivialis Roxana S. Ferris; Laura Lorraine 1948-6-12 11747 Siskiyou French Creek Logging Road W of Callahan 1219 Comment
  CAS-BOT-BC244326  Podagrostis humilis John Thomas Howell 1939-8-3 15001 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  UCD37094  Podagrostis humilis Beecher Crampton 1956-8-22 3860 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  UCD118556  Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou In vicinity of Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  UCD77931  Polemonium occidentale subsp. occidentale Robert E. Preston 2001-7-20 1697 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W ne 1/4 of se 1/4 Section 14 1755 Comment
  UC759929  Polemonium pulcherrimum Edward Stuhl Aug 1926 Siskiyou On higher slopes of Shastina. Mount Shasta 3657 Comment
  CAS-BOT-BC231353  Polemonium pulcherrimum M. S. Clemens No date on label s.n. Siskiyou Mt. Shasta Comment
  CHSC48339  Polyctenium fremontii var. fremontii Vernon Oswald 1986-5-29 2073 Siskiyou Hwy 97 between Grass Lake and Hebron Summit, 26.9 mi ne of Weed. 1432 Comment
  JEPS43019  Polygala cornuta var. cornuta W. L. Jepson August, 1894 13575 Siskiyou Shasta Springs Comment
  UC454756  Polygala cornuta var. cornuta I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1524 Comment
  UC61160  Polygala cornuta var. cornuta W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  UC705877  Polygala cornuta var. cornuta Marion Ownbey and Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi nw McCloud Comment
  UC1192345  Polygonum aviculare subsp. aviculare Verne Grant and Irving Schneider 1947-8-25 8276 Siskiyou Tule Lake; w side Comment
  CAS-BOT-BC414277  Polygonum aviculare subsp. depressum R. E. Frenkel 1964-10-2 898 Siskiyou On north side of Everitt Memorial Highway near Mount Shasta 1676 Comment
  UC1733715  Polygonum bistortoides Frank Gould, Kay H. Beach 1940-5-15 1227 Siskiyou Bull Meadows Comment
  CAS-BOT-BC414598  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  SEINET4338954  Polygonum douglasii G. D. Butler 1910-7-7 1787 Siskiyou Dry bank Shackleford Creek 914 Comment
  UC1409207  Polygonum douglasii subsp. douglasii Frederick W. Oettinger 1968-8-11 470 Siskiyou sw side of creek bed e Tom Taylor Cabin (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  UC618625  Polygonum douglasii subsp. douglasii W. Bridge Cooke 1938-7-29 11422 Siskiyou Wagon Camp Mount Shasta, Wagon Camp Creek (meadow along creek) Comment
  CHSC86640  Polygonum douglasii subsp. johnstonii Jenny Marr 1993-7-1 23 Siskiyou Butte Valley Wildlife Area, +- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1112877  Polygonum douglasii subsp. spergulariiforme Barbe 1957-7-13 379 Siskiyou Big Flat Public Camp Klamath National Forest (w side, w slope along path to spring) 1524 Comment
  UCR30822  Polygonum douglasii subsp. spergulariiforme John C. Roos 1948-9-1 3941 Siskiyou Near Fort Jones 854 Comment
  UC217425  Polygonum douglasii subsp. spergulariiforme H. M. Hall 1919-10-1 Siskiyou s slope on Oregon hwy Siskiyou Mts. Comment
  SEINET3405925 Image available Polygonum douglasii var. johnstonii J. M. Tucker, L. K. Mann 1963-8-17 3742 Siskiyou beside trail fro Red Rock Valley to top of ridge to the sout, Marble Mountain Wilderness Area 1859 Comment
  RSA466401  Polygonum kelloggii Louis C. Wheeler 1934-7-3 2873 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  CAS-BOT-BC418595  Polygonum minimum John Thomas Howell 1939-8-2 14862 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC418587  Polygonum minimum Alice Eastwood 1912-8-22 1821 Siskiyou Trail from Morgans Springs to Lassen Butte Comment
  RSA237800  Polygonum minimum Frederick W. Oettinger 1968-8-11 472 Siskiyou Open site NE side of creek bed, Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC1299693  Polygonum minimum Freed W. Hoffman 1951-7-15 4032 Siskiyou Hammond Camp Marble Mountains, Kelsey Creek (w side of creek, w Siskiyou Co.) 1524 Comment
  CHSC86639  Polygonum polygaloides subsp. confertiflorum Jenny Marr 1993-7-1 22 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC19293  Polygonum polygaloides subsp. kelloggii J. O. Sawyer 1969-6-18 1409 Siskiyou Head of S Russian Creek 1829 Comment
  HSC92983  Polygonum sawatchense Jennifer Whipple 1976-7-1 1230 Siskiyou Near Little Crater Lake 2195 Comment
  CAS-BOT-BC420223  Polygonum sawatchense subsp. sawatchense Alice Eastwood 1923-5-29 12007 Siskiyou Cantara Comment
  JEPS50594  Polygonum shastense W. L. Jepson 1894-8-4 14784 Siskiyou Horse Camp Mt. Shasta, Snow Line Comment
  UC726984  Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou spring above Horse Camp Comment
  POM103320  Polygonum spergulariiforme Geo. D. Butler 1908-8-27 189 Siskiyou Humbay Creek Comment
  RSA129379  Polypogon monspeliensis H. S. Yates 1936-6-21 5813 Siskiyou 6 miles N of Gazelle. 793 Comment
  RSA237502  Polystichum imbricans Frederick W. Oettinger 1968-9-8 777 Siskiyou In granitic rock on a hot dry site, boulder area due north of the English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC19290  Polystichum imbricans subsp. imbricans J. O. Sawyer 1968-9-9 653 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  CAS-BOT-BC76734  Polystichum imbricans subsp. imbricans Donald L. Branscomb 1958-7-1 s.n. Siskiyou Mount Shasta Comment
  HSC79135  Polystichum kruckebergii C. J. Thomas 1983-10-1 84 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  CAS-BOT-BC72382  Polystichum lemmonii Louis C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  CAS-BOT-BC72387  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou east side of Mt. Eddy 2346 Comment
  HSC92661  Polystichum lemmonii Jennifer Whipple 1976-9-3 1783 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  JEPS83823  Polystichum lemmonii Wayne Roderick July 1976 Siskiyou near Lily Pad Lake (vicinity of Cook and Green Pass); Siskiyou Mts. 1828 Comment
  UC1481730  Polystichum lemmonii A. Lefebvre Oct 1941 Siskiyou 2 mi e White Mt. Comment
  UC338378  Polystichum lemmonii unknown Siskiyou Mt. Eddy near Shasta Mt. Eddy Comment
  UC371159  Polystichum lemmonii G. D. Butler 1908-8-8 241 Siskiyou Wooly Creek 1676 Comment
  CAS-BOT-BC72373  Polystichum lemmonii Marck Menke 1999-7-9 67 Siskiyou Klamath Nat. Forest, Bee Camp 1767 Comment
  HSC79182  Polystichum lemmonii C. J. Thomas 1983-10-1 73 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  RSA60633  Polystichum lemmonii I. L. Wiggins 1950-5-28 12378 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  SEINET11714690  Polystichum lemmonii Lemmon 1878-1 s.n. Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC72407  Polystichum lonchitis Louis C. Wheeler 1934-8-6 3058 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  HSC29433  Polystichum lonchitis Frederick W. Oettinger 1968-8-6 421 Siskiyou Marble Mtn. Wilderness Area,W slope on SE corner of Hancock Lake 1951 Comment
  JEPS109823  Polystichum lonchitis Dean W. Taylor 2005-7-12 19386 Siskiyou Dry Creek Peak, cirque on north side of the peak (ca. 12 air miles NE of summit of Mt. Shasta) 1950 Comment
  OBI1446  Polystichum lonchitis Lawrence L. Kiefer 1963-8-11 805 Siskiyou Kangaroo Lake (NE Callahan), E side of lake 2134 Comment
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Oct 24 2014
  RSA331958  Polystichum scopulinum W. Wisura, Dave Kelly 1985-7-31 4078 Siskiyou Kangaroo Lake, Scott Mtns.; on rocks above and beyond the granite rocks near campground Comment
  SBBG27193  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Cyn, Siskiyou Mtns 1828 Comment
  CAS-BOT-BC108545  Populus balsamifera Frank Callahan 2007-5-1 s.n. Siskiyou Moffett Creek 883 Comment
  CAS-BOT-BC102399  Populus fremontii Grant 1902-9-15 5257 Siskiyou Dunsmuir 609 Comment
  HSC19882  Populus fremontii subsp. fremontii R. C. Wunner 1965-8-14 424 Siskiyou Lava Beds National Monument, Hovey Pt. 1220 Comment
  CAS-BOT-BC102761  Populus tremuloides W. B. C. 1938-8-25 11586 Siskiyou Along Pilgrim Creek, forest along Pilgrim Creek east of Widow Spring 1371 Comment
  JEPS104988  Porterella carnosula Dean W. Taylor 1996-7-27 15860 Siskiyou Grass Lake (about 15 air miles northeast of Weed); Klamath National Forest 1524 Comment
  HSC61832  Potentilla breweri Ruby Van Deventer 1938-4-29 Siskiyou Poker Flat 1585 Comment
  HSC85  Potentilla breweri William J. Ferlatte 1967-8-23 1096 Siskiyou Head of Kidd Creek 2134 Comment
  UC1538958 Image available Potentilla cristae Marla A. Knight, Julie D. Knorr 1987-8-3 951 Siskiyou near summit Cory Peak; China Mt. Quad., near summit Cory Peak 2133 Comment
  UC538030 Image available Potentilla cristae David H. Johnson 1934-6-11 Siskiyou Dobkins Lake , Dobkins Lake (Mt. Eddy) 1828 Comment
  HSC69361  Potentilla flabellifolia Maralyn A. Renner 1980-8-19 2487 Siskiyou S side of Caribou Lake 2104 Comment
  JEPS60718  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Mountain Valley Camp 1676 Comment
  RSA211480  Potentilla flabellifolia William J. Ferlatte 1966-8-5 335 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  SD125938  Potentilla glandulosa Steve Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi. NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta 1768 Comment
  SEINET3156934  Potentilla glandulosa var. nevadensis F. M. Reed 1908-7-13 2534 Siskiyou near old Loy cabin N side of Tak Quartz Valley. San Jacinto Mts. 2621 Comment
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Dec 7 2014
  UC70340  Potentilla gracilis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC860686  Potentilla gracilis A. A. Heller 1915-8-26 12232 Siskiyou n side of Mt. Eddy 1981 Comment
  CDA26100  Potentilla gracilis subsp. nuttallii T. C. Fuller 1958-6-19 1822 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  CAS-BOT-BC540565  Potentilla gracilis var. fastigiata L. E. Smith 1914-6-24 721 Siskiyou Sisson Comment
  CAS-BOT-BC540571  Potentilla gracilis var. fastigiata Alice Eastwood 1912-7-17 1184 Siskiyou Sisson Comment
  RSA120875  Potentilla gracilis var. fastigiata G. D. Barbe 1955-7-7 140 Siskiyou South of Forest Camp, Etna 884 Comment
  RSA211183  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-3 260 Siskiyou Mountain Meadow ranch, weedy area around buildings. 1524 Comment
  CAS-BOT-BC143316  Potentilla newberryi Gary Schoolcraft 1984-6-18 1228 Siskiyou On Big Tableland 9 mi. SW of Dorris, CA, 47-2-28 1356 Comment
  UCSB24410  Prosartes hookeri Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  CAS-BOT-BC516387  Prosartes hookeri Doris K. Kildale 1929-4-27 7572 Siskiyou Cecilville, South Fork Salmon River Comment
  HSC309  Prunella vulgaris subsp. lanceolata William J. Ferlatte 1966-8-16 370 Siskiyou Big Flat, between campground and S Fork of the Salmon River. 1524 Comment
  RSA120730  Prunella vulgaris subsp. lanceolata S. S. Tillett 1956-7-9 678 Siskiyou N side Scott Mtn divide, headwaters of Mule Creek, Siskiyou Trinity line, 8 miles SE of Callahan. 1616 Comment
  CAS-BOT-BC158205  Prunus emarginata John M. Tucker 1963-7-7 3711 Siskiyou In vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC158232  Prunus emarginata Doris K. Kildale 1928-8-18 6447 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  HSC69558  Prunus emarginata Maralyn A. Renner 1980-8-6 2291 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  RSA184732  Prunus emarginata Gilbert Muth 1966-7-8 373 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 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
  RSA15596  Prunus virginiana var. demissa Carl B. Wolf 1927-8-27 1111 Siskiyou On the Klamath River, Happy Camp. Comment
  UC154510  Prunus virginiana var. demissa Harley P. Chandler June, 1901 1631 Siskiyou Klamath River to Marble Mountain; North Coast Ranges 2133 Comment
  CDA26212  Prunus virginiana var. melanocarpa T. Gallion 1959-5-12 2363 Siskiyou North of Dunsmuir. 0 Comment
  CAS-BOT-BC239821  Pseudoroegneria spicata Elmer I. Applegate 1935-6-8 9433 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  HSC29674  Pseudotsuga menziesii var. menziesii Frederick W. Oettinger 1968-8-15 528 Siskiyou Marble Mtn. Wilderness Area, ridge above Hell Hole at the NE side of Hancock Lake 1936 Comment
  UC401304  Pseudotsuga menziesii var. menziesii Geo. D. Butler 1909-4-25 1096 Siskiyou Quartz Valley Comment
  CAS-BOT-BC72683  Pteridium aquilinum G. C. Kimber 1934-4-9 36 Siskiyou Ney Creek 1/8 mile from junction with Sacramento River 731 Comment
  UC61046  Pterospora andromedea W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC460551  Pterospora andromedea H. E. Brown 1897-6-11 418 Siskiyou North side of Mount Shaska 2743 Comment
  RSA176490  Pteryxia terebinthina var. californica A. A. Heller 1928-6-9 s.n. Siskiyou Located on Spring Hill near Sisson. Comment
  UCD22432  Purshia tridentata Brian Vanden Heuvel 2003-4-10 194 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. 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-BC147912  Purshia tridentata var. tridentata D. E. Breedlove 1962-6-11 3360 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  JEPS18589  Purshia tridentata var. tridentata W. L. Jepson Jul 1894 13843 Siskiyou Sisson Comment
  JEPS19283  Pycnanthemum californicum Willis L. Jepson Jul 24 1894-Aug 10 1894 14895 Siskiyou near Sissons (Region of the Upper Sacramento); Upper Sacramento Region, near Sissons Comment
  RSA45345  Pycnanthemum californicum Dorothy Parker 1946-8-17 s.n. Siskiyou Mill Lane, Plowman s Valley 1189 Comment
  CAS-BOT-BC460860  Pyrola aphylla Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  SEINET8334428  Pyrola aphylla L. E. Detling 1947-6-3 6047 Siskiyou Happy Camp, Klamath Nat'l. Forest. 335 Comment
  RSA467923  Pyrola dentata M. B. Dunkle 1944-7-17 9118 Siskiyou Deer Creek. Comment
  RSA0084305  Pyrola picta Diana D. Jolles, Erik M. Beaston 2011-7-3 440 Siskiyou Shasta-Trinity National Forest (Shasta Unit). Area is about 5 miles south-southeast of Bartle. On 39N06 road between Highway 89 and Pacific Crest Trail, just past Bartle Gap. 1478 Comment
  UC722480  Pyrola picta C. L. Hitchcock, J. S. Martin 1939-7-8 5301 Siskiyou 15 mi n of Happy Camp (on Happy Camp-Takilma Highway); Happy Camp-Takilma Highway 914 Comment
  HSC19198  Pyrola picta J. O. Sawyer 1968-6-25 340 Siskiyou 1646 Comment
  HSC36657  Pyrola picta Brent Whiteley 1975-6-28 87 Siskiyou 915 Comment
  HSC100792  Pyrrocoma lanceolata var. lanceolata Lowell Ahart, John Dittes 2010-7-30 16969 Siskiyou Shasta Springs Ranch, 2.6 (air) mi. NW of Big Springs Lake, 3.9 (air) mi. SE of Grenada, 6.3 (air) mi. NW of Dwinnel Dam. 779 Comment
  CAS-BOT-BC45745  Quercus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  HSC19227  Quercus chrysolepis J. O. Sawyer 1968-9-28 751 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC99817  Quercus chrysolepis G. L. Clifton, Griswold 1979-6-27 6089 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  UC5540  Quercus chrysolepis W. H. Brewer 1862-8-21 1327 Siskiyou near Mount Shasta 609 Comment
  UC70408  Quercus chrysolepis Milo S. Baker Jul 1899 Siskiyou near Dunsmuir; Sacramento River Comment
  SD76160  Quercus garryana Helen V. Witham 1969-10-7 575 Siskiyou Scott River Valley, 10 miles west of Ft. Jones. 700 Comment
  UCR18737  Quercus garryana Frank C. Vasek 1975-6-29 750629- 08 A Siskiyou 2.3 mi. east of Callahan Comment
  CAS-BOT-BC62763  Quercus garryana var. breweri Doris K. Kildale 1928-8-19 6531 Siskiyou on trail from English Lake to top of Divide to Hancock Lake Comment
  UC164437  Quercus garryana var. breweri Geo. D. Butler 1908-8-8 232 Siskiyou Marble Valley Comment
  OBI36119  Quercus garryana var. garryana David J. Keil 1983-7-3 17379 Siskiyou 11 mi NE of jctn with SR 3 along Gazelle-Callahan rd Comment
  UC705918  Quercus kelloggii Marion Ownbey, Fred G. Meyer 1940-7-7 2214 Siskiyou Cayenne Ridge Marble Mountain Comment
  CAS-BOT-BC104337  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 1371 Comment
  CDA15568  Quercus sadleriana G. F. Hrusa 1998-7-5 14676 Siskiyou Siskiyou Mountains; S side below summit on Happy Camp-O'Brien Rd. on Ca. side of State Boundary. Comment
  HSC31513  Quercus sadleriana Steve Selva, Roger Jensen 1974-8-22 36 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  UCD47222  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 D Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte-Siskiyou county line, California. 1554 Comment
  UCD47260  Quercus sadleriana John M. Tucker 1972-8-8 4247 A Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  CAS-BOT-BC104619  Quercus vacciniifolia Doris K. Kildale 1928-8-19 6564 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  UCD47465  Quercus vacciniifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1130 Comment
  HSC12267  Raillardella pringlei Richard Spjut 1970-7-17 445 Siskiyou 16 mi. W of Mt. Shasta at Gumboot Lake 1829 Comment
  JEPS82477  Ranunculus eschscholtzii Gilbert Muth 1966-7-8 355 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  UCSB24113  Ranunculus eschscholtzii Favero, R. 1968-3-24 Siskiyou 7 mi. east on Klamath River Rd. (Hwy. 96), 2 mi. up Lumgrey Creek Rd. 609 Comment
  UC609341  Ranunculus eschscholtzii var. suksdorfii Eleanor Burks Hart 1938-8-24 909 Siskiyou Upper Wright Lake 2225 Comment
  RSA60630  Ranunculus orthorhynchus I. L. Wiggins 1950-5-28 12369 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  UC54285  Ranunculus orthorhynchus var. orthorhynchus H. M. Hall and E. B. Babcock June, 1903 4066 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta (meadows around) 1066 Comment
  RSA604936  Ranunculus populago Louis C. Wheeler 1935-7-23 3685 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2012 Comment
  CDA3485  Ranunculus repens C. S. Giebner 1959-5-29 Siskiyou Copeland Ranch, Weed. 0 Comment
  HSC100035  Ranunculus testiculatus J. P. Smith, & J. O. Sawyer 2010-5-6 12820 Siskiyou Camp Creek Campground. 727 Comment
  RSA604933  Ranunculus uncinatus Louis C. Wheeler 1934-6-7 2656 Siskiyou North Hungry Creek. 1220 Comment
  CHSC71600  Rhamnus californica subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1998-8-3 9447 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. 1676 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
  UC1211981  Rhamnus crocea Victor A. Zullo 1962-2-12 Siskiyou between Etna and Callahan (s side of Horseshoe Gulch, a side canyon of McConaughy Gulch, on the e side of Scott Valley); Scott Valley, Horseshoe Gulch, McConaughy Gulch Comment
  UC54506  Rhamnus rubra H. M. Hall and E. B. Babcock Jun 1903 4122 Siskiyou Head of McCloud River Mount Shasta 1524 Comment
  HSC19474  Rhodiola integrifolia subsp. integrifolia J. O. Sawyer 1969-7-24 1461 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  SFV2668  Rhododendron columbianum J. M. Tucker 1963-7-5 3704 Siskiyou Salmon Mountains. On Blake's Fork of South Russian Creek (a tributary of Salmon River), about 7 miles (airline) east of Sawyer's Bar. 1616 Comment
  CAS-BOT-BC199741  Rhododendron occidentale var. paludosum Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC92404  Ribes aureum var. aureum John Thomas Howell 1887-4-1 s.n. Siskiyou Hornbrook. Comment
  CAS-BOT-BC92531  Ribes binominatum Doris K. Kildale 1928-8-18 6437 Siskiyou Near head of North Fork of Salmon River near Finley's Upper Camp. 1524 Comment
  CAS-BOT-BC92534  Ribes binominatum John Thomas Howell 1937-7-22 13285 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC99736  Ribes binominatum J. O. Sawyer 1969-7-18 1160 Siskiyou E of Waterdog Lake 2012 Comment
  RSA459477  Ribes binominatum M. B. Dunkle 1944-7-26 9038 Siskiyou Siskiyou National Forest. 1829 Comment
  CAS-BOT-BC108782  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou Eight miles north of Weed along U.S. Highway #97. Comment
  SEINET13942379 Image available Ribes cereum E. K Balls 1950-1 14703 Siskiyou Lava beds. Lava Beds National Monument, below Indian Well Public Camp. Alt 4600 ft 1402 Comment
  CAS-BOT-BC168866  Ribes inerme var. klamathense L. B. Kildale 1930-5-31 9819 Siskiyou Island in Klamath River near Hornbrook Comment
  RSA0021108  Ribes lacustre Roxana S. Ferris, Laura Lorraine 1948-6-12 11752 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CAS-BOT-BC173396  Ribes lobbii John Thomas Howell 1939-8-10 15285 Siskiyou Grindstone Camp, Canyon Creek, Marble Mts. Comment
  HSC19375  Ribes lobbii J. O. Sawyer 1968-9-28 738 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC20305  Ribes lobbii Hilda W. Grinnell 1935-6-8 Siskiyou Deer Camp Ranger Station, head of Daggett Creek, Siskiyou Mtns. 1799 Comment
  HSC33983  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC68334  Ribes lobbii Maralyn A. Renner 1980-6-26 1236 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS82475  Ribes lobbii Gilbert Muth 1966-7-8 360 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  UC1408857  Ribes lobbii Frederick W. Oettinger 1969-8-6 1250 Siskiyou outlet Pine Lake; Salmon Mountains, Marble Mountain Wilderness 1828 Comment
  UC455590  Ribes lobbii I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  RSA0021141  Ribes lobbii J. P. Smith 1977-5-15 9072 Siskiyou The road leading through International Paper property to the Duck Lakes trailheads. 1524 Comment
  RSA0021145  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  RSA0021628  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  JEPS128460  Ribes montigenum Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  CAS-BOT-BC219260  Ribes nevadense John Thomas Howell 1937-7-26 13528 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA0022720  Ribes nevadense var. glaucescens J. T. Howell 1937-7-26 13528 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC909349  Ribes roezlii Ira L. Wiggins 1950-5-28 12374 Siskiyou about 1.5 mi from Carmen Lake (small bog on side of ridge above Grouse Creek) 1584 Comment
Read comments
Jan 29 2013
  RSA0018040  Ribes roezlii H. K. Wagnon, G. D. Barbe 1957-6-16 13127 -MSB Siskiyou Scott Mountains up to 1300. Comment
  CAS-BOT-BC199993  Ribes roezlii var. cruentum Alice Eastwood 1923-5-22 11897 Siskiyou Sisson, road to Mt. Shasta Comment
  UC705902  Ribes roezlii var. cruentum Marion Ownbey, Fred G. Meyer 1940-7-6 2197 Siskiyou s side near summit Cayenne Ridge; Marble Mountain Comment
  UC1046554  Ribes sanguineum R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3455 Siskiyou about 1.5 mi below and se of saddle at summit Takilma-Happy Camp Road 1630 Comment
  SBBG27521  Ribes sanguineum var. glutinosum L. C. Wheeler 1934-6-12 2695 Siskiyou N Hungry Crk, Siskiyou Mtns 1310 Comment
  RSA0020883  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou Near Yreka. Comment
  CAS-BOT-BC168797  Ribes viscosissimum H. A. Thomas; J. H. Thomas 1954-7-24 4488 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  HSC46764  Ribes viscosissimum William J. Ferlatte 1974-7-15 1540 Siskiyou Yellow Rose Mine Trail 1646 Comment
  LA205491  Ribes viscosissimum W. B. C.; 1939-6-30 13570 Siskiyou Mount Shasta, near the source of MacBride Springs 1523 Comment
  RSA0020919  Ribes viscosissimum Albert M. Vollmer, L. Beane 1951-6-2 55 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  SEINET13763683 Image available Rigiopappus leptocladus R. R. Halse 2016-5-29 9719 Siskiyou Alin Hilt Road, ca 2.1 miles NW of Hilt, on the CA/OR state line. 876 Comment
  UC90676  Rigiopappus leptocladus K. Brandegee July 1887 Siskiyou Ager Comment
  POM265892  Romanzoffia californica Lincoln Constance, R. C. Rollins 1942-5-13 2904 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  UC768890  Rosa eglanteria Doris K. Kildale 1930-5-31 9805 Siskiyou island in river near Hornbrook; Klamath River 609 Comment
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Jan 25 2013
  CAS-BOT-BC146744  Rosa gymnocarpa A. A. Heller 1915-8-24 12203 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  HSC31805  Rosa gymnocarpa Steve Selva, Roger Jensen 1974-8-26 55 Siskiyou Sugar Lake trail Comment
  HSC65555  Rosa gymnocarpa R. White 1977-7-21 119 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  JEPS19980 Image available Rosa gymnocarpa W. L. Jepson 1894-8-9 13890 Siskiyou Shasta Springs; ; Shasta Springs, Siskiyou Co. Comment
  UC164425  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  UC60890  Rosa gymnocarpa W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  UC1871380  Rosa nutkana subsp. macdougalii Barbara Ertter 2006-7-30 18739 a Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  CAS-BOT-BC147057  Rosa pisocarpa Alice Eastwood 1917-9-2 6686 Siskiyou Shasta Springs Comment
  CAS-BOT-BC147063  Rosa pisocarpa C. B. Wolf 1931-9-2 2390 Siskiyou Near Fish Hatchery, Mt. Shasta City (Sisson) 1066 Comment
  HSC29495  Rosa pisocarpa Frederick W. Oettinger 1969-8-16 1408 Siskiyou Marble Mtn. Wilderness Area, Wire grass meadow near English Lake 1799 Comment
  HSC64755  Rosa pisocarpa J. P. Smith, Steve Selva 1970-7-17 4475 Siskiyou Below Kangaroo Lake. 1890 Comment
  POM140216  Rosa pisocarpa E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta region Comment
  UC725330  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch Mt. Eddy (ne base of mt.) 1188 Comment
  UC768893  Rosa pisocarpa Doris K. Kildale 1928-8-18 6476 Siskiyou head of North Fork of Salmon River Finley's Camp Comment
  SD98960  Rosa spithamea D. F. Howe 1977-7-1 Siskiyou Scott Mt. Creek 1096 Comment
  CAS-BOT-BC147137  Rubus glaucifolius Ira L. Wiggins 1955-7-24 13494 Siskiyou Ridge betw. upper reaches of China & Blind Horse Creeks 1645 Comment
  HSC61949  Rubus lasiococcus Ruby Van Deventer 17 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC147320  Rubus parviflorus H. A. Thomas; J. H. Thomas 1954-7-23 4463 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  UCSB16644  Rubus ursinus Breedlove, Dennis 1962-6-11 Siskiyou About 20 miles west of Fort Jones; Marble Mountains 914 Comment
  JEPS87795  Rudbeckia glaucescens Vernon H. Oswald and Lowell Ahart 1994-8-1 6418 Siskiyou 9 mi. s.w. of dam at Lake Siskiyou (Forest Rd. 26 paralleling S. Fork Sacramento R., 0.3 mi. e. of Forest Rd. 40N43) 1438 Comment
  UC224171  Rumex acetosella H. E. Brown Jun 1 1897-Jun 10 1897 304 Siskiyou near Sisson; ; separated from UC224172, coll H. E. Brown in Idaho, Aug 1896, #22 1083 Comment
  UCR46263  Rumex acetosella G. R. Ballmer 1986-5-14 s.n. Siskiyou Disturbed roadside at Dunsmuir Comment
  CHSC88096  Rumex salicifolius Jenny Marr 1993-7-1 106 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC433865  Rumex salicifolius Peter H. Raven 1956-8-11 10068 Siskiyou 9.6 miles south of turnoff to Bray on U.S. Highway 91 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
  RSA47791  Sagina saginoides Roxana S. Ferris, Laura Lorraine 1948-6-12 11745 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CAS-BOT-BC102817  Salix boothii A. A. Heller 1922-7-15 13704 Siskiyou On the shore of Medicine Lake 2133 Comment
  CAS-BOT-BC103547  Salix commutata Alice Eastwood 1921-7-29 10966 Siskiyou Medicine Lake Comment
  CAS-BOT-BC107783  Salix hindsiana Wm. Bridge Cooke 1940-6-20 15156 Siskiyou Along the Klamath River along the Pacific Highway in the Klamath River gorge 609 Comment
  RSA101634  Salix laevigata Thomas Howell 1889-4-14 1393 Siskiyou Hornbrook. Comment
  HSC69545  Salix lasiandra Maralyn A. Renner 1980-8-6 2237 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC125454  Salix lasiandra var. lasiandra Alice Eastwood July 17 1180 Siskiyou Sisson Comment
  JEPS80664  Salix lasiandra var. lasiandra W. B. and V. G. Cooke 1977-9-22 54823 Siskiyou near Deter Camp Mt. Shasta Comment
  CAS-BOT-BC125466  Salix lasiandra var. lasiandra W. R. Dudley 1899-8-23 s.n. Siskiyou [Callahans] Callahan Comment
  POM107150  Salix lasiolepis Geo. D. Butler 1909-4-11 1078 Siskiyou Shasta Springs. Comment
  SBBG57843  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou NE side of Mt. Eddy, about 16 km NW of Shasta City Comment
  CAS-BOT-BC124543  Salix lasiolepis var. lasiolepis Isabelle C. Kimber 1934-6-9 17 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  CAS-BOT-BC128309  Salix lasiolepis var. lasiolepis L. R. Abrams 1922-8-7 9902 Siskiyou Klamath River 6 mi. below Hornbrook Comment
  CAS-BOT-BC126165  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC126171  Salix scouleriana John Thomas Howell 1939-8-5 15081 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC129031  Salix scouleriana Alice Eastwood 1921-7-30 11005 Siskiyou Soda Creek Comment
  CAS-BOT-BC129040  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  HSC19412  Salix scouleriana J. O. Sawyer 1968-6-18 198 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UC375239  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek Comment
  SEINET12003644  Salix scouleriana H. P. Bracelin 1931-1 435 Siskiyou North base of Mount Eddy, about 10 km NW of Shasta City, east of Metcalf ranch house 80 Comment
  JEPS80581  Sambucus mexicana Gilbert Muth 1965-8-2 143 Siskiyou between gate and Lower Sky High Lakes; Marble Mt. Wilderness Area 1767 Comment
  CAS-BOT-BC238889  Sambucus nigra subsp. caerulea W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  HSC29281  Sambucus nigra subsp. caerulea Frederick W. Oettinger 1968-8-23 618 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake. 1768 Comment
  CHSC32941  Sambucus racemosa var. microbotrys J. P. Smith; Steve Selva 1970-6-16 4066 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  HSC25666  Sambucus racemosa var. racemosa J. O. Sawyer 1969-8-2 1716 Siskiyou Ridge W of Little Duck Lake. 2409 Comment
  HSC29278  Sambucus racemosa var. racemosa Frederick W. Oettinger 1969-7-18 1059 Siskiyou Marble Mtn. Wilderness Area, E side of Upper English Lake. 1768 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
  HSC70592  Sanguisorba annua J. O. Sawyer, J. Cole 1981-7-2 4144 Siskiyou Near Scott Mtn. Campground 1585 Comment
  JEPS1000  Sanicula graveolens W. L. Jepson July 17 - 22, 1902 2068 Siskiyou Devil's Backbone, Western Siskiyou County Devil's Backbone 1828 Comment
  JEPS30256  Sanicula graveolens Al Hobart 1963-6-8 Siskiyou Siskiyou Mountains, Poker Flat Poker Flat; Siskiyou Mountains, Poker Flat 1536 Comment
  UC165254  Sanicula graveolens Geo. D. Butler 1910-7-13 1778 Siskiyou Shackleford Creek 1219 Comment
  POM77780  Sanicula graveolens Geo. D. Butler 1910-5-1 1258 Siskiyou Humbug Mountain 1220 Comment
  UC1045269  Saponaria officinalis W. Bridge Cooke 1940-7-12 15326 Siskiyou along the Castle Lake Road at the S.P. crossing in Mt. Shasta City; along Castle Lake Road, Mt. Shasta City Comment
  HSC4153  Saponaria officinalis L. C. Wheeler 1934-9-16 3267 Siskiyou Mt. Diablo Meridian, Walker, Klamath River. 518 Comment
  SD112461  Sarcobatus vermiculatus Darley F. Howe 1966-8-27 4310 Siskiyou 2.1 miles east of Highway 97 on Highway 161. 1280 Comment
  RSA184816  Saxifraga nidifica var. claytoniifolia Gilbert Muth 1966-7-31 475 Siskiyou North side of Black Mountain, Marble Mountains 2058 Comment
  RSA184748  Saxifraga odontoloma Gilbert Muth 1966-7-24 442 Siskiyou Marble Valley, along creek, Marble Mountains. 1793 Comment
  CAS-BOT-BC445872  Saxifragopsis fragarioides John Thomas Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS84192  Saxifragopsis fragarioides L. R. Heckard with J. Hickman et al. 1986-7-17 6508 Siskiyou e Condrey Mt. (slopes of Alex Hole); e of Condrey Mt., slopes of Alex Hole 1930 Comment
  POM259289  Saxifragopsis fragarioides John T. Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA121320  Schedonorus pratensis H. S. Yates 1936-6-21 5866 Siskiyou 6 miles N of Gazelle. 793 Comment
  CAS-BOT-BC111413  Schoenoplectus acutus var. occidentalis Doris K. Kildale 1929-7-21 8742 Siskiyou Elk Lisk, South Fork of Indian Creek 1219 Comment
  JEPS63953  Scirpus lineatus Geo. D. Butler 1909-5-23 857 Siskiyou near Yreka; near Yreka Comment
  UC184012  Scirpus microcarpus Geo. D. Butler 1908-8-28 81 Siskiyou Oro Fino Oro Fino (wet meadow) Comment
  CAS-BOT-BC111093  Scirpus microcarpus L. E. Smith 1913-5-27 295 Siskiyou Unspecified Comment
  HSC68478  Scutellaria antirrhinoides Maralyn A. Renner 1980-6-8 812 Siskiyou Slopes N of Moffett Creek 945 Comment
  UC164006  Scutellaria antirrhinoides Geo. D. Butler 1910-5-30 1430 Siskiyou Humbug Creek Comment
  UC195216  Scutellaria antirrhinoides Annie M. Alexander and Louise Kellogg 1911-6-13 119 Siskiyou 6 mi nw of Callahan Comment
  POM69573  Scutellaria antirrhinoides Geo. D. Butler 1910-5-30 1430 Siskiyou Humbug Creek. Comment
  UC1040695  Scutellaria antirrhinoides A. H. Murphy 1956-8-16 56 J Siskiyou Klamath National Forest 1981 Comment
  HSC10230  Secale cereale D. M. Thomson 1965-7-17 151 Siskiyou Lava Beds National Monument, N boundary Comment
  UC1028206  Secale cereale Milo S. Baker 1955-6-27 13088 Siskiyou about 1 mi w of Gazelle (on road to Callahan) 914 Comment
  HSC103033  Secale cereale J. P. Smith 2014-6-7 13891 Siskiyou Etna Comment
  CHSC118117  Sedum kiersteadiae Jane Van Susteren 2011-7-30 2 Siskiyou Off trail between Heart Lake and Castle Lake below Little Castle; UTM zone 10, 4563809 east, 5688775 north (NAD 83). 1813 Comment
  HSC59373  Sedum lanceolatum Thomas W. Nelson, J. P. Smith 1979-6-15 4808 Siskiyou Above road to Carmen Lake, 0.6 mi. from junction with State Rte. 3 1738 Comment
  SD116313  Sedum laxum subsp. heckneri Paul C. Hutchison 1962-8-5 958 Siskiyou Middle Fork of the Applegate River, 3.7 miles above mouth of Carberry Creek. 760 Comment
  CHSC72211  Sedum obtusatum subsp. obtusatum Vernon H. Oswald; Lowell Ahart 1998-8-3 9429 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. West of Kangaroo Lake. 1981 Comment
  HSC12  Sedum obtusatum subsp. retusum William J. Ferlatte 1966-6-22 113 Siskiyou Josephine Lake Basin 1677 Comment
  HSC90629  Sedum obtusatum subsp. retusum Jennifer Whipple 1977-8-6 2226 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  CAS-BOT-BC64082  Sedum oregonense Annetta Carter 1939-8-21 1467 Siskiyou Slope about SE end of Taylor Lake, 12 mi SW of Etna, Salmon Mountains. Comment
  RSA597965  Sedum oregonense L. C. Wheeler 1963-8-31 8322 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  SJSU6063  Sedum spathulifolium R. W. Trivelpiece 1971-6-8 22 Siskiyou E Fork of S Fork Salmon R near Cecilville, Salmon R Mts 822 Comment
  UC1299669  Sedum spathulifolium Freed W. Hoffman 1950-7-14 4010 Siskiyou Clear Creek trail from Baldy Lookout (western Siskiyou County); Clear Creek trail from Baldy Lookout Comment
  HSC44705  Sedum spathulifolium var. spathulifolium J. O. Sawyer, E. Cope 1977-6-18 2899 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  CAS-BOT-BC59181  Sedum stenopetalum subsp. stenopetalum Dorothy Parker 1950-8-3 484 Siskiyou Little Mill Creek, Mount Bolivar 1828 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
  HSC43057  Selaginella wallacei Ken Stillman 1976-8-24 449 Siskiyou E and N slopes of Williams Point 366 Comment
  CAS-BOT-BC364040  Senecio integerrimus var. major John Thomas Howell 1937-7-25 13455 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC364436  Senecio triangularis R. C. Wenk 2008-7-24 920 A Siskiyou Kangaroo Lake, south of the Gazelle-Callahan Rd. 1851 Comment
  CAS-BOT-BC364452  Senecio triangularis Harley P. Chandler 1901-6-1 1576 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain 1828 Comment
  HSC61997  Senecio triangularis Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  JEPS97199  Shepherdia canadensis Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95053 Siskiyou upslope from Parks Creek Road (Rd. 17), 5.25 mi above junction with Stewart Springs Rd., on the W slope of Parks Creek drainage Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  CAS-BOT-BC213139  Sidalcea Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  POM84653  Sidalcea malviflora subsp. asprella Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  RSA211117  Sidalcea oregana subsp. oregana W. J. Ferlatte 1966-8-18 419 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. 1524 Comment
  RSA82759  Sidalcea oregana subsp. oregana J. M. Tucker 1950-7-24 1959 Siskiyou Southern edge of Grass Lake, beside Highway 97, about 22 miles NE of Weed Comment
  HSC46148  Sidalcea oregana subsp. spicata J. P. Smith, Steve Selva 1970-7-17 4476 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC76662  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-22 290 Siskiyou Marble Mtn. Wilderness Area Comment
  SEINET1004223  Sidalcea oregana subsp. spicata Mark Fishbein, Lane Greer 2006-1 5881 Siskiyou Paynes Springs, about 2 mi southeast of Medicine Lake. 1980 Comment
  RSA95267  Sidalcea oregana subsp. spicata F. W. Peirson 1923-7-19 3779 Siskiyou Lairds Landing Comment
  HSC101397  Sidalcea setosa J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13054 Siskiyou Klamath National Forest. Road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  UC465676  Silene californica H. W. Furlong Sept 1901 Siskiyou Summit to Ager Comment
  HSC23683  Silene campanulata subsp. greenei J. O. Sawyer 1971-7-16 2431 Siskiyou Slope NE of Deep Lake 2165 Comment
  HSC4178  Silene campanulata subsp. greenei Geo. D. Butler 1908-8-3 59 Siskiyou Canyon below Log Lake 1616 Comment
  RSA714935  Silene douglasii M. E. Fishbein, Lane Greer 2006-8-3 5880 Siskiyou Paynes Creek, above Paynes Springs, about 2 miles SE of Medicine Lake. 1990 Comment
  HSC92351  Silene grayi Jennifer Whipple 1976-7-1 1235 Siskiyou Near Durney Lake, W facing slope above lake 2073 Comment
  CAS-BOT-BC388946  Silene grayi Mary Ann Showers 1980-7-23 1909 b Siskiyou At summit of Little Mt. Hoffman 2225 Comment
  UCD98590  Silene grayi Mary Ann Showers 1980-8-7 1983 Siskiyou ridge of Marble Mt., 1/4 mile west of summit. Along edge of escarpment above Rainy Valley. 2042 Comment
  UCD98593  Silene grayi M. A. Showers 1981-8-8 2017 mas Siskiyou between Shastina and Mt. Shasta at head of Cascade Gulch. 2804 Comment
  CAS-BOT-BC181251  Silene hookeri subsp. hookeri Clarence R. Quick 1959-6-19 59 -08 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  RSA12664  Silene latifolia C. B. Wolf 1934-7-7 6032 Siskiyou Along upper Sacramento River, ar[ound] Dunsmuir. Comment
  CAS-BOT-BC389424  Silene lemmonii A. A. Heller 1905-6-15 8036 Siskiyou On the first ridge west of and near Sisson Comment
  SEINET11572877  Sisymbrium altissimum E. K. Balls 1950-5-17 14723 Siskiyou Lava Beds National Monument, New Lava Flow, along road from Schochin Butte to Captain Jacks Stronghold. 1463 Comment
  UC61187  Smilacina racemosa W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mount Shasta Comment
  SEINET3154290  Smilacina sessilifolia G. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek Comment
  SEINET6630420  Smilax californica G. D. Butler 1910-1 1466 Siskiyou Quartz Valley Comment
  UC1409319  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou outlet of Abbott's Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1722 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
  CAS-BOT-BC157049  Solanum umbelliferum D. Parker 1950-6-15 451 Siskiyou Along Kidder Creek 914 Comment
  SEINET516275  Solidago californica Vernon H. Oswald 1997-7-28 8791 Siskiyou SE of Medicine Lake at Paynes Springs. 1981 Comment
  SBBG25842  Solidago elongata D. Myrick 1966-8-11 1531 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC726607  Solidago elongata A. A. Heller 1916-8-24 12562 Siskiyou near Sisson 1074 Comment
  UCD78006  Solidago elongata Robert E. Preston 2002-7-14 1937 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1877 Comment
  CAS-BOT-BC339854  Solidago multiradiata K. T. Stillman 1976-7-21 273 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  HSC62028  Solidago multiradiata Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  UC195207  Solidago multiradiata Annie M. Alexander and Louise Kellogg 1911-8-14 326 Siskiyou Mt. Eddy Comment
  JEPS95109  Solidago velutina subsp. californica Vernon Oswald and Lowell Ahart 1997-7-28 8791 Siskiyou se of Medicine Lake at Paynes Springs, on floor and walls of Paynes Creek Canyon n of the campground Medicine Lake; Paynes Springs, Paynes Creek Canyon 1981 Comment
  UCD136124  Sonchus arvensis T. C. Fuller 1963-8-27 11162 -b Siskiyou south side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge. Around 12 miles west of Hatfield. Comment
  CAS-BOT-BC374522  Sonchus asper R. E. Frenkel 1964-7-13 675 Siskiyou Near Mount Shasta on Everitt Memorial Highway 1280 Comment
  RSA715771  Sonchus asper subsp. asper L. Ahart, John Dittes 2005-6-10 12117 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) S of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Granada. 777 Comment
  LA208276  Sorbus sitchensis W. B. C.; 1939-6-30 13576 Siskiyou Mount Shasta, Along the Sisson Southern Trail 1981 Comment
  RSA68914  Sparganium angustifolium A. E. Culbertson 1943-8-4 44 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles southwest of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains; 2000 above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  CHSC106101  Sparganium emersum subsp. emersum Lowell Ahart; John Dittes 2010-7-30 1936 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC390715  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  CAS-BOT-BC149675  Spiraea douglasii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC149689  Spiraea douglasii Carl B. Wolf 1930-10-22 1754 Siskiyou 1 mile west of Mt. Shasta City 1066 Comment
  HSC18901  Spiraea douglasii J. O. Sawyer 1968-7-23 572 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  LA208260  Spiraea douglasii A. A. Heller; 1916-6-20 Siskiyou Metcalf's Ranch, Metcalf's ranch NE of Mt. Eddy in openings in the forest 1188 Comment
  RSA237603  Spiraea douglasii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1213 Siskiyou Young's Cabin on English Lake trail towards Abbotts. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1463 Comment
  UC555303  Spiraea douglasii Dorothy Tebbe 1929-7-1 Siskiyou Mt. Eddy; at Tern Dell Comment
  CAS-BOT-BC152551  Spiraea splendens L. E. Smith 1913-6-29 437 Siskiyou Mt. Eddy Comment
  HSC29134  Spiranthes romanzoffiana Frederick W. Oettinger 1968-8-12 497 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  HSC551  Spiranthes romanzoffiana William J. Ferlatte 1966-8-17 391 Siskiyou Trinity Alps: Caribou Basin 1982 Comment
  CHSC84754  Stachys ajugoides var. rigida L. P. Janeway 2003-8-9 7962 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; spring at head of uppermost fork of Seiad Creek. 1725 Comment
  UC1124942  Stachys ajugoides var. rigida L. Whitney 1934-6-23 5 Siskiyou Tennant Dorris Quadrangle, Antelope Creek 1463 Comment
  SEINET7977024  Stachys rigida G. D. Butler 1910-7-24 1792 Siskiyou Yreka Creek Comment
  RSA211085  Stachys rigida subsp. rigida W. J. Ferlatte 1966-8-3 288 Siskiyou Trinity Alps. Josephine Lake basin. 1677 Comment
  UC618823  Stellaria borealis subsp. sitchana unknown 1938-7-29 11428 Siskiyou Wagon Camp; Mount Shasta Comment
  CAS-BOT-BC181417  Stellaria calycantha Wm. Bridge Cooke 1939-7-26 13746 Siskiyou West boreal spring above Panther Creek Meadows - Mount Shasta 2590 Comment
  SEINET12558131 Image available Stellaria crispa Frederick W. Oettinger 1968-1 723 Siskiyou The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. Campsite near stream, Hancock Lake. 1951 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
  HSC24115  Stephanomeria lactucina J. O. Sawyer 1969-9-11 1796 Siskiyou 1738 Comment
  RSA474275  Stephanomeria lactucina Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  JEPS81795  Stephanomeria paniculata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6778 Siskiyou 2.3 mi above Mt. Shasta town (Sisson) (along Everitt Memorial Highway to Panther Meadow, at sw base of Mt. Shasta); Mt. Shasta 1219 Comment
  CAS-BOT-BC322918  Stephanomeria tenuifolia Elmer I. Applegate 1935-6-8 9420 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  SDSU714  Stipa thurberiana D. F. Howe 1977-7-5 4996 Siskiyou 15 miles SE of Granada 1219 Comment
  CAS-BOT-BC61123  Streptanthus barbatus L. E. Smith 1915-7-1 s.n. Siskiyou Castella. Comment
  CHSC4560  Streptanthus tortuosus J. E. Bowlin 1967-7-18 67 Siskiyou On roadside, ca. 1.5 mi w of Mount Shasta Ski Bowl. 2286 Comment
  HSC6948  Streptanthus tortuosus Lincoln Constance, R. C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 mi. S of Happy Camp 305 Comment
  UC1492822  Streptanthus tortuosus Freed W. Hoffman 1950-7-13 3383 Siskiyou on road to Indian Creek 0.4 mi from Baldy Lookout (w Siskiyou Co.) Comment
  UCD78029  Streptanthus tortuosus Robert E. Preston 2001-6-23 1612 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  UCSB27379  Streptanthus tortuosus Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 3200 Comment
  JEPS54030  Streptanthus tortuosus var. orbiculatus Willis L. Jepson 1894-8-4 13405 Siskiyou Mt. Shasta Region of the Upper Sacramento Comment
  UCD138354  Stuckenia pectinata Verne Grant; Irving Schneider 1947-8-26 8289 Siskiyou 1/2 mile west of Tulelake. Comment
  UC1540179  Suaeda calceoliformis Dean W. Taylor 1987-8-9 9290 Siskiyou 8.3 mi w Highway 139 (along Highway 161 (Oregon border)); Lower Klamath National Wildlife Refuge 1249 Comment
  HSC62129  Suksdorfia ranunculifolia Ruby Van Deventer 28 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  HSC76697  Swertia radiata K. T. Stillman 1976-7-8 200 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  SEINET10500902  Symphoricarpos albus var. laevigatus Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6965 Siskiyou Road cut, 0.1 mi N of Hornbrook. 732 Comment
  HSC29346  Symphoricarpos mollis Frederick W. Oettinger 1968-8-6 542 Siskiyou Marble Mtn. Wilderness Area, NE side of Little Medicine Mtn., due N of Hancock Lake. 1997 Comment
  UC1280829  Symphoricarpos mollis H. E. McMinn 1931-6-26 2507 Siskiyou near Shasta Soda Comment
  UC618777  Symphoricarpos mollis unknown 1938-7-22 11347 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  JEPS40765  Symphyotrichum foliaceum Geo. D. Butler 1910-8-13 1830 Siskiyou Quartz Valley Comment
  SJSU15089  Symphyotrichum frondosum C. W. Sharsmith 1992-9-17 9247 Siskiyou edge of Lower Klamath Lake, 3-4 mi E of Higway 97 on Stateline Road, Klamath Wildlife Refuge 1225 Comment
  UC135424  Symphyotrichum spathulatum C. F. Baker 1903-9-8 3856 Siskiyou Mt. Eddy Comment
  OBI55527  Symphyotrichum spathulatum var. yosemitanum David J. Keil, Kathleen Keil 1992-7-21 23518 Siskiyou Klamath NF SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC376787  Tanacetum parthenium Ynez Whilton Winblad 1941-6-30 s.n. Siskiyou Between Oregon line and Yreka Comment
  HSC33992  Taraxacum officinale J. P. Smith 1974-5-25 7476 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UCD107056  Taraxia tanacetifolia J. P. Smith; Steve Selva 1970-8-9 4586 Siskiyou Roadside by Grass Lake. Comment
  CAS-BOT-BC81345  Taxus brevifolia Alice Eastwood 1921-7-26 10857 Siskiyou Soda Creek Comment
  RSA605357  Taxus brevifolia L. C. Wheeler 1959-7-25 7596 a Siskiyou Marble Mountains: Camp Three, Rogers Creek Comment
  SEINET3876098 Image available Taxus brevifolia Alv Dan Youngberg 1964-8-17 34 Siskiyou Growing at West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  CHSC106094  Tetradymia canescens Lowell Ahart; John Dittes 2010-7-30 16971 Siskiyou On dry soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam. 778 Comment
  CAS-BOT-BC399879  Thalictrum polycarpum Gilbert Muth 1966-7-17 408 Siskiyou Marble Mts. Comment
  CAS-BOT-BC88077  Thelypodium brachycarpum Frank W. Peirson 1923-7-19 3736 Siskiyou Laird's Landing. Comment
  HSC91014  Thelypodium brachycarpum Jennifer Whipple 1977-8-6 2209 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  CAS-BOT-BC88072  Thelypodium brachycarpum Dorothy Parker 1947-6-9 194 Siskiyou Along Highway 99 between Gazelle and Yreka. 914 Comment
  UCD93359  Thinopyrum intermedium T. C. Fuller 1962-8-30 9498 Siskiyou 5 miles N of Klamath River, Siskiyou Mountains, E of Beaver Creek, Raggedass Gulch. 182 Comment
  UC165978  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-5 129 Siskiyou summit above Cold Spring (Woolly Creek); summit above Cold Spring, Woolly Creek Comment
  UC165981  Thlaspi montanum var. montanum Geo. D. Butler 1908-6-27 119 Siskiyou Forest House Mountain Comment
  HSC43111  Thysanocarpus curvipes Maralyn O'Meara 1974-5-25 366 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC137319  Thysanocarpus curvipes A. A. Heller 1905-6-1 7931 Siskiyou between Dunsmuir and Upper Soda Spring Comment
  SEINET3166358  Thysanocarpus curvipes subsp. curvipes P. J. Alexander 2009-4-7 991 Siskiyou East side of the Shasta River, E side of CA Hwy. 263, 4.2 miles NNE of central Yreka, 3.2 miles S of the jct. with CA Hwy. 96. 738 Comment
  RSA0049970  Thysanocarpus radians A. A. Heller 1929-5-14 14856 Siskiyou In a field along U.S. Highway #99, 2 miles south of Yreka. Comment
  UC725936  Thysanocarpus radians A. A. Heller 1929-5-14 14856 Siskiyou along U.S. Highway #99 about 2 mi s Yreka; s of Yreka Comment
  UC3963  Tofieldia occidentalis subsp. occidentalis unknown 1431 Siskiyou 1066 Comment
  CAS-BOT-BC169253  Toxicodendron diversilobum Alice Eastwood 1912-7-23 1345 Siskiyou Shasta Sprnigs Comment
  JEPS84231  Trautvetteria caroliniensis var. occidentalis L. R. Heckard with J. Hickman et al. 1986-7-17 6524 Siskiyou e Condrey Mt.; Alex Hole region 1980 Comment
  CAS-BOT-BC519559  Triantha occidentalis subsp. occidentalis Dr. E. B. Copeland 1903-9-7 375 Siskiyou Mt. Eddy 2438 Comment
  CAS-BOT-BC519562  Triantha occidentalis subsp. occidentalis Gilbert Muth 1966-8-3 499 Siskiyou Marble Mt.: Marble Valley 1792 Comment
  HSC44584  Triantha occidentalis subsp. occidentalis Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  CDA40990  Trichostema lanceolatum F. D. Horn 1977-10-4 s.n. Siskiyou Bogus Area east of Hornbrook. 0 Comment
  UC375410  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackleford Creek Log Lake Comment
  POM312878  Trifolium eriocephalum subsp. eriocephalum H. L. Mason 1948-7-17 13601 Siskiyou Eastern Grass Lake, in forested hills Comment
  POM349496  Trifolium eriocephalum subsp. eriocephalum M. B. Dunkle 1944-7-15 9104 Siskiyou Siskiyou National Park Comment
  UC375413  Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1909-6-13 978 Siskiyou Moffit Creek Comment
  CAS-BOT-BC219039  Trifolium howellii John Thomas Howell 1939-8-7 15118 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC42955  Trifolium howellii J. O. Sawyer, Ken Stillman 1976-7-1 2782 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 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
  POM313506  Trifolium howellii Kennedy 1926-6-21 s.n. Siskiyou Shackleford Creek Comment
  UCD111247  Trifolium longipes Al Crebbin 1957-7-23 57 K Siskiyou Head of Deadfall Creek base of Mt. Eddy Shasta National Forest. 2590 Comment
  JEPS109714  Trifolium longipes subsp. oreganum Dean W. Taylor 2002-7-21 18275 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes. Shasta-Trinity National Forest. 2316 Comment
  UC163859  Trifolium microcephalum Geo. D. Butler 1909-6-20 920 Siskiyou near Yreka Comment
  HSC92967  Trifolium productum Jennifer Whipple 1976-7-2 1277 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC30421  Trifolium repens Frederick W. Oettinger 1969-8-9 1311 Siskiyou Salmon Mtn., above trail near Young's Cabin in region of Upper Abbott's Cabin. 1829 Comment
  UC164017  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou near Yreka Comment
  CHSC86651  Triglochin concinna var. debilis Jenny Marr 1993-7-1 34 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS25637  Trillium ovatum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7276 Siskiyou Poker Flat 1536 Comment
  HSC30676  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-7-6 149 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area: Off Music Creek logging road, Statue Creek spur along Statue Creek 1878 Comment
  HSC96418  Trillium ovatum subsp. oettingeri Gordon Leppig, J. Kalt 1996-7-9 381 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC26486  Trisetum canescens J. P. Smith, Steve Selva 1970-7-16 4399 Siskiyou Blue Mtn. Comment
  CAS-BOT-BC200265  Trisetum spicatum Wm. Bridge Cooke 1938-8-18 11468 Siskiyou Horse Camp Springs. Above Horse Camp Comment
  CAS-BOT-BC200271  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou On the east side of Mt. Eddy 2438 Comment
  HSC58563  Trisetum spicatum G. L. Clifton, Griswold 1979-7-26 10118 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC61491  Trisetum spicatum Ruby Van Deventer 19 Jul [year missing] Siskiyou Lookout Mtn. Comment
  RSA238975  Trisetum spicatum Frederick W. Oettinger 1969-7-28 1084 Siskiyou SSW of Little Hancock Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UCD93669  Trisetum spicatum Beecher Crampton 1956-8-22 3854 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  CAS-BOT-BC133485  Triteleia crocea Marion Ownbey; D. H. Brown 1941-6-22 2419 Siskiyou Just south of Craggy Mountain, northwest of Yreka Comment
  POM109794  Triteleia crocea var. crocea Geo D. Butler 1909-5-30 786 Siskiyou Humbug Mountain. 1220 Comment
  UC1045310  Triteleia crocea var. modesta W. Bridge Cooke 1940-6-6 15076 Siskiyou moist places along Castle Lake road 1615 Comment
  UC454400  Triteleia hyacinthina I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UCSB24893  Triteleia hyacinthina Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southwest of Castle Lake, 10 miles southwest of the city of Mt. Shasta 1981 Comment
  CAS-BOT-BC522340  Triteleia hyacinthina W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink's Meadow Comment
  RSA237881  Triteleia hyacinthina Frederick W. Oettinger 1969-8-18 1415 Siskiyou Along the trail up to Horse Range Lake and about 0.1 mile from lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1768 Comment
  CAS-BOT-BC524321  Triteleia ixioides subsp. anilina L. E. Smith 1913-6-12 360 Siskiyou Sisson Comment
  HSC96310  Tsuga mertensiana Gordon Leppig 1998-8-14 1032 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  JEPS46774  Tsuga mertensiana W. L. Jepson 1907-7-1 Siskiyou near Marble Mt. Comment
  RSA184702  Tsuga mertensiana Gilbert Muth 1966-8-6 223 Siskiyou Marble Valley near meadow, Marble Mountains. 1793 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
  UC1190123  Tsuga mertensiana Ira L. Wiggins 1955-7-27 13566 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  JEPS117566  Urtica dioica subsp. gracilis Lowell Ahart, John Dittes 2010-7-30 16961 Siskiyou On the south bank of the Shasta River, about 1 yard 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-BC404216  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  RSA238872  Vaccinium Frederick W. Oettinger 1969-07 11 Siskiyou A short ways up the trail from Hancock Lake to Daimond Lake before Base Camp Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC199189  Vaccinium cespitosum John Thomas Howell 1939-8-10 15267 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CHSC71580  Vaccinium cespitosum Vernon H. Oswald; Lowell Ahart 1998-8-3 9454 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. east of Kangaroo Lake. Near Rock Fence Creek. 1920 Comment
  HSC31964  Vaccinium cespitosum Steve Selva, Roger Jensen 1974-8-16 14 Siskiyou N shore of Sugar Lake. Comment
  RSA659524  Vaccinium cespitosum Gary D. Wallace 1990-7-1 2951 b Siskiyou Mount Shasta: Panther Meadow, campground on AAA map. 2255 Comment
  HSC29338  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou Marble Mountain Wilderness Area, near inlet stream to Hancock Lake 1936 Comment
  HSC31510  Vaccinium membranaceum Steve Selva, Roger Jensen 1974-8-22 34 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  RSA238859  Vaccinium membranaceum Frederick W. Oettinger 1969-7-14 1013 a Siskiyou Common around Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC69742  Vaccinium parvifolium Maralyn A. Renner 1980-6-26 1274 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC7926  Vaccinium parvifolium Wm. F. Bowman 1968-10-12 Siskiyou Sugar Creek Trail Comment
  HSC19099  Vaccinium scoparium J. O. Sawyer 1969-6-13 1060 Siskiyou W of Little Duck Lake 2043 Comment
  CAS-BOT-BC199530  Vaccinium uliginosum Wm. Bridge Cooke 1939-7-7 13606 Siskiyou At Wagon Camp Comment
  POM77331  Vaccinium uliginosum subsp. occidentale Edward Palmer 1927-7-13 2456 Siskiyou Mt. Shasta and vicinity. Comment
  CAS-BOT-BC199796  Vahlodea atropurpurea Wm. Bridge Cooke 1939-8-24 13892 Siskiyou Along the bank of Squaw Valley Creek in its middle cascade portion Comment
  JEPS83861  Vancouveria chrysantha Wayne Roderick July 1976 Siskiyou along trail to spring vicinity Cook and Green Pass (Siskiyou Mts.); , vicin Cook and Green Pass 1463 Comment
  HSC67681  Vancouveria hexandra John Palmer 1980-7-24 622 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC100304  Veratrum californicum J. P. Smith, & J. O. Sawyer 2011-6-25 13274 Siskiyou Along Sugar Creek Rd. 1214 Comment
  CAS-BOT-BC529106  Veratrum californicum Doris K. Kildale 1928-8-19 6501 Siskiyou English Lake, head of north Fork of Salmon River 1828 Comment
  HSC91996  Veratrum californicum var. californicum Jennifer Whipple 1976-7-24 1533 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1190161  Veratrum insolitum Ira L. Wiggins 1955-7-24 13484 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1280 Comment
  RSA183714  Veratrum viride Gilbert Muth 1965-8-3 152 Siskiyou Marble Valley, Marble Mts. Comment
  CAS-BOT-BC527059  Veratrum viride var. eschscholzianum P. C. Everett; E. K. Balls 1959-10-23 23940 Siskiyou 4 miles SW from Etna on road from Callaban to Somesbar, Salmon Mts. 1676 Comment
  CAS-BOT-BC527062  Veratrum viride var. eschscholzianum Gilbert Muth 1966-8-3 151 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  RSA105433  Veronica americana G. D. Barbe