Search Results — 2000 specimen records retrieved (1404 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/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78130  Abies X shastensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11770 Siskiyou About 6 miles from Etna on forks of Salmon Road 1706 Comment
  RSA759175  Abies X shastensis Doug Goldman 2004-11-7 2947 Siskiyou By a big parking lot along Forest Road A10 (Everett memorial Highway), on the southwest side of Mount Shasta, Shasta-Trinity National Forest. 2116 Comment
  HSC69551  Abies concolor Maralyn A. Renner 1980-7-28 2201 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  UC637119  Abies grandis Edward Lee 1934-8-12 1053 Siskiyou 0.25 mi w of the mouth Walker Creek (s side of the Klamath River, e end of Seiad Valley); Seiad Valley 426 Comment
  HSC4997  Abies lasiocarpa J. O. Sawyer 1969-8-2 1695 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  HSC4999  Abies lasiocarpa J. O. Sawyer 1969-7-3 1440 Siskiyou N of Russian Lake 2149 Comment
  UC139968  Abies magnifica var. magnifica Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 680 Siskiyou Mt. Shasta Comment
  JEPS46599  Abies magnifica var. shastensis Lemmon Siskiyou Mt. Shasta Comment
  SBBG132985  Abies magnifica var. shastensis B. C. Templeton 1968-6-13 11332 Siskiyou near Panther Meadows, Mount Shasta, 2835 Comment
  UCR37595  Acer glabrum K. Faber, Et al 1984-5-26 50 Siskiyou 0.7 mi. from Scott Mtn. 1672 Comment
  CAS-BOT-BC331016  Acer glabrum var. glabrum Doris K. Kildale 1929-7-20 8671 Siskiyou Raspberry Lake, near east spur Preston Peak 1981 Comment
  CAS-BOT-BC331019  Acer glabrum var. glabrum Annie M. Alexander; Louise Kellogg 1948-9-8 5599 Siskiyou Top of grade between Sawyers Bar and Etna 1737 Comment
  CAS-BOT-BC331021  Acer glabrum var. glabrum Gilbert Muth 1965-8-3 s.n. Siskiyou On trail to 4-corners, Marble Mts. Comment
  UC166210  Acer glabrum var. glabrum Geo. D. Butler 1908-8-5 531 Siskiyou camp below Cold Spring (Woolly Creek); Woolly Creek Comment
  HSC69575  Acer glabrum var. torreyi Maralyn A. Renner 1980-8-6 2259 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC336933  Acer negundo var. californicum J. H. Thomas; T. C. Fuller; G. D. Barbe 1980-4-29 53405 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC336937  Acer negundo var. californicum Geo. D. Butler 1910-5-22 1384 Siskiyou Yreka Creek Comment
  CAS-BOT-BC18872  Achillea millefolium I. L. Wiggins 1955-7-27 13519 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC28855  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou In one small area on the west bank of Mud Creek Canyon 2895 Comment
  CAS-BOT-BC30428  Achillea millefolium John Thomas Howell 1937-7-23 13345 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS74480  Achillea millefolium W. J. Ferlatte 1966-8-3 247 Siskiyou at, in wooded area near public camp Big Flat; Trinity Alps, Big Flat 1524 Comment
  SD113039  Achillea millefolium Darley F. Howe 1979-6-26 Siskiyou Military Pass Road, 6 miles southeast of #97. 185 Comment
  NY149875  Achillea pacifica A. A. Heller 1905-6-19 8067 Siskiyou Grenada Comment
  HSC4994  Achlys triphylla J. O. Sawyer 1968-9-28 742 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  CAS-BOT-BC110707  Achnatherum nelsonii subsp. dorei L. P. Janeway 1983-8-26 606 Siskiyou Siskiyou Mountains. At Poker Flat. 1524 Comment
  UCD50959  Achnatherum occidentale R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. 1828 Comment
  UCD51016  Achnatherum occidentale Beecher Crampton 1956-8-21 3832 Siskiyou 1 mile northeast of Gumboot Lake, the headwater of the south fork of the Sacramento River. Comment
  CAS-BOT-BC218016  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  RSA716055  Achnatherum thurberianum L. Ahart, John Dittes 2005-6-9 12018 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  HSC30775  Acmispon nevadensis J. P. Smith, J. O. Sawyer 1972-5-28 5373 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  JEPS41327  Aconitum columbianum Ruby Van Deventer 1938-7-31 66 Siskiyou s. Little Greyback Mt. (Poker Flat); Poker Flat 1524 Comment
  JEPS60369  Aconitum columbianum Geo. D. Butler 1908-8-3 363 Siskiyou Shackelford Creek, Log Lake 1524 Comment
  CAS-BOT-BC391525  Aconitum columbianum subsp. columbianum Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC391540  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-7-17 1189 Siskiyou Sisson Comment
  HSC76664  Aconitum columbianum subsp. viviparum K. T. Stillman 1976-7-29 308 Siskiyou Marble Mtn. Wilderness Area, Bear Creek Trail 1585 Comment
  HSC28742  Actaea rubra Frederick W. Oettinger 1969-8-21 1483 Siskiyou Marble Mtn. Wilderness Area, Willow Spring on English Lake Trail 1677 Comment
  HSC4991  Adenocaulon bicolor J. O. Sawyer 1968-7-10 459 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA264984  Adenocaulon bicolor Gilbert Muth 1975-8-1 s.n. Siskiyou Near Sutcliffe Creek, near Happy Camp 1341 Comment
  UC1216709  Adenocaulon bicolor W. B. and V. G. Cooke 1962-8-17 33525 Siskiyou at, in woods Bear Springs; Mt. Shasta 1524 Comment
  CAS-BOT-BC68961  Adiantum aleuticum Ira L. Wiggins 1955-7-23 13477 Siskiyou Banks of China Creek 1097 Comment
  POM24645  Adiantum aleuticum E. B. Copeland 1903-9-6 3859 Siskiyou Mount Eddy 1463 Comment
  SBBG39077  Agastache urticifolia C. Bornstein 1996-6-29 Siskiyou Indian Well Cmpgrd, Lava Beds Nat Monument 1432 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
  UC195217  Agastache urticifolia Annie M. Alexander and L. Kellogg 1911-7-30 305 Siskiyou Hd Rush Cr Comment
  HSC78375  Agoseris aurantiaca L. P. Janeway 1983-9-11 658 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC21371  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-8 15188 Siskiyou Black Mt., Marble Mts. Comment
  UC922276  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1949-7-22 5839 Siskiyou trail to Kings Castle ((top of ridge)); Marble Mountains, Paradise Lake 1920 Comment
  UC933411  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1948-9-9 5615 Siskiyou at start of 2 mi trail to Taylor Lake, in meadow Cook and White Mine; Siskiyou Mountains Comment
  RSA14497  Agoseris glauca var. dasycephala Elmer I. Applegate 1923-8-19 3897 Siskiyou Medicine Lake Comment
  CAS-BOT-BC22781  Agoseris heterophylla John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53425 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  HSC92584  Agoseris monticola Jennifer Whipple 1977-8-4 2159 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  CAS-BOT-BC13189  Agoseris monticola Wm. Bridge Cooke 1938-9-8 11643 Siskiyou Near the South Gate Springs, Mount Shasta 2499 Comment
  CAS-BOT-BC110758  Agropyron cristatum T. C. Fuller 1963-8-26 11161 Siskiyou North limits of Macdoel, Butte Valley. Comment
  SEINET5335873  Agropyron trachycaulum G. Butler 1910-7-3 1624 Siskiyou Goosenest Foothills 1219 Comment
  CDA15520  Agrostis capillaris G. F. Hrusa 1998-7-5 14688 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Clumping perennial on roadside. Open dry site. Comment
  JEPS68388  Agrostis exarata Geo. D. Butler 1909-6-28 852 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC139565  Agrostis gigantea W. B. Cooke; V. G. Cooke 1977-9-20 54807 Siskiyou Little Bear Springs, Mount Shasta. 1584 Comment
  LA206324  Agrostis humilis J. R. Swallen; 1939-8-8 13815 Siskiyou Mount Shasta, around the water supply spring above Horse Camp Comment
  RSA238359  Agrostis humilis Frederick W. Oettinger 1969-8-19 1457 Siskiyou Abbott's Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  RSA239095  Agrostis humilis Frederick W. Oettinger 1968-9-5 713 Siskiyou English Lake Basin, Base Camp meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  JEPS84089  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6387 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  UCD52795  Agrostis idahoensis A. H. Murphy 1954-8-11 54 -A Siskiyou Round Meadow, Klamath National Forest, U.S.F.S. 1676 Comment
  HSC22444  Agrostis pallens J. O. Sawyer 1969-8-1 1644 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC30535  Agrostis pallens Frederick W. Oettinger 1969-8-24 1536 Siskiyou Salmon Mountains, English Lake 1753 Comment
  RSA239080  Agrostis pallens Frederick W. Oettinger 1969-8-19 1456 Siskiyou South of big bare area between King David's and Abbot's Basin . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  HSC65669  Agrostis scabra Donald W. Miles 1979-7-21 21 Siskiyou Near Black Fox Mt., 20 mi. NE of McCloud, 3/4 way up Shirttail Canyon. 1585 Comment
  CAS-BOT-BC138647  Agrostis stolonifera Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs. Comment
  RSA238345  Agrostis stolonifera Frederick W. Oettinger 1969-8-24 1527 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UCD53690  Agrostis variabilis A. H. Murphy 1953-7-29 KNF 14 Siskiyou Steavale Canyon, Kalmath National Forest. 1524 Comment
  SEINET4899472  Allium amplectens J. Seely 1991-6-3 s.n. Siskiyou Klamath National Forest, Gordon's Ferry. Along Klamath River. 366 Comment
  UC796562  Allium amplectens Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11720 Siskiyou Schoolhouse Hill Plowman's Valley (Noyes Valley), e. fork of Scott River Comment
  CAS-BOT-BC462378  Allium amplectens Roxana Ferris; Laura Lorraine 1948-6-12 11720 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], e. fork of Scott River Comment
  RSA50149  Allium amplectens E. K. Balls 1949-7-8 13919 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  CHSC31012  Allium anceps M. S. Taylor; J. Prouty 1980-6-25 2965 Siskiyou Grizzly Peak and ridge w of peak, ca. 5 mi due e of Lake McCloud. 1889 Comment
  SEINET8118880  Allium bolanderi G. D. Butler 1910-6-3 1469 Siskiyou Quartz Valley. Comment
  UC1299635  Allium bolanderi Freed W. Hoffman 1950-7-11 3240 Siskiyou 16.1 mi n point where Cedar Camp Road leaves the Klamath Highway (between Orleans and Weitchpec) Comment
  JEPS104836  Allium bolanderi var. bolanderi Dean W. Taylor 1996-6-18 15727 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  RSA78820  Allium crenulatum Philip A. Munz 1952-7-2 17898 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  SBBG844  Allium falcifolium K. K. Muller 1954-6-23 645 Siskiyou summit ca. 3.5 mi S of Oregon line on road to Happy Camp, Siskiyou Mtns Comment
  SEINET196192  Allium falcifolium R. S. Ferris, L Lorraine 1948-6-12 11840 Siskiyou Gazelle Mtn grade rd between Callahan and Gazelle 1500 Comment
  CAS-BOT-BC469232  Allium falcifolium L. R. Short 1933-6-8 125 Siskiyou Klamath Forest, Peak near Cottonwood Peak 1584 Comment
  RSA47622  Allium falcifolium Roxana S. Ferris, Laura Lorraine 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  JEPS96555  Allium siskiyouense Dean W. Taylor 1997-6-11 16042 Siskiyou Moffett Creek, Scott River drainage, head Sissel Gulch 1676 Comment
  UC1299750  Allium siskiyouense Freed W. Hoffman 1948-7-8 2589 Siskiyou 7.5 mi n West Branch Camp; North Coast Ranges, Waldo-Happy Camp Road 1402 Comment
  UCD138603  Allium siskiyouense Sandra L. Holloway 1963-7-14 s.n. Siskiyou ca. 5 miles south and 5 miles west of Weed. 2133 Comment
  UC454416  Allium validum I. J. Condit 1909-8-25 Siskiyou Sisson, North Fork 1371 Comment
  CAS-BOT-BC169375  Alnus viridis subsp. sinuata Mrs. H. P. Bracelin 1936-5-11 840 Siskiyou Mt. Eddy, about 6 miles NW of Mt. Shasta City; Wagon Creek canyon above Metcalf ranch house 1188 Comment
  CAS-BOT-BC137949  Alopecurus saccatus Lewis S. Rose 1946-6-4 46138 Siskiyou 2 miles south of Dorris. 1219 Comment
  CDA3621  Alyssum alyssoides F. D. Horn 1977-4-2 Siskiyou ca. 5 km south of Weed. 0 Comment
  UCD114088  Alyssum alyssoides Jean Langenheim 1957-5-19 4341 Siskiyou Along road between Gazelle and Callahan. Comment
  HSC43150  Amaranthus powellii Ken Stillman 1976-8-24 426 Siskiyou Along Klamath River at Williams Point. 366 Comment
  HSC69139  Amelanchier alnifolia Maralyn A. Renner 1980-8-8 2478 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  UCD35448  Amelanchier alnifolia Beecher Crampton 1956-8-22 3870 Siskiyou 3-4 miles east of Mt. Shasta City, Mt. Shasta Pine logging road. 1584 Comment
  HSC29352  Amelanchier alnifolia var. pumila Frederick W. Oettinger 1969-8-13 1358 Siskiyou Marble Mtn. Wilderness Area, below Halfway Spring, trail from English Lake to Diamond Lake 1829 Comment
  HSC103  Amelanchier alnifolia var. semiintegrifolia William J. Ferlatte 1966-6-23 149 Siskiyou Big Flat, near public camp 1524 Comment
  NY418532  Amelanchier gracilis A. A. Heller 1905-6-5 7970 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CAS-BOT-BC136881  Amelanchier utahensis Ellsworth Bethel 1923-6-18 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC136882  Amelanchier utahensis Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  HSC36782  Amsinckia intermedia J. P. Smith 1974-5-27 7624 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC24604 Image available Amsinckia intermedia T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC45206  Anaphalis margaritacea Carl B. Wolf 1927-8-27 1148 Siskiyou On the Klamath River 10 mi above the Salmon River Comment
  CAS-BOT-BC391754  Anemone Alice Eastwood 1912-8-30 1964 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391808  Anemone deltoidea Harley P. Chandler 1901-6-1 1554 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain 1828 Comment
  UCD95465  Anemone deltoidea J. P. Smith; Steve Selva 1970-6-16 4063 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  HSC69438  Anemone deltoidea John Palmer 1980-8-13 797 Siskiyou Dead Cow Creek near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  CAS-BOT-BC391853  Anemone drummondii Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mountain 1676 Comment
  CAS-BOT-BC391857  Anemone drummondii Dorothy Parker 1945-6-8 75 Siskiyou Rock Fence Lake to Deadfall Comment
  CAS-BOT-BC391939  Anemone multifida K. T. Stillman 1976-6-25 64 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  CAS-BOT-BC391936  Anemone multifida Edna Kelsey 1961-6-1 s.n. Siskiyou Marble Mts. Summit of Marble Mountain Comment
  CAS-BOT-BC210241  Anemone multifida var. multifida Dana York 2011-8-12 3044 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  SBBG25866  Angelica breweri D. Myrick 1966-8-8 1499 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  RSA211191  Angelica tomentosa var. tomentosa William J. Ferlatte 1966-8-3 244 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  RSA296046  Angelica tomentosa var. tomentosa J. M. DiTomaso 1980-8-5 1854 Siskiyou Baldy Mountain Lookout, 6 miles west of Happy Camp, 200 meters north of lookout in moist serpentine soil near spring 1707 Comment
  SD109163  Angelica tomentosa var. tomentosa Joseph M. DiTomaso 1980-8-4 1849 Siskiyou Elk Valley Campground, end of Gasquet-Orleans Rd. from Orleans. 1340 Comment
  JEPS33953  Antennaria argentea George D. Butler 1908-6-29 334 Siskiyou Oro Fino Comment
  CAS-BOT-BC59159  Antennaria dimorpha S. B. Shaw 1912-4-5 s.n. Siskiyou Near Sisson. Shasta Forest Reserve Comment
  CHSC69065  Antennaria geyeri Vernon H. Oswald; Lowell Ahart 1997-7-28 8803 Siskiyou Forest Route 15 ca. 1 mi south of Harris Spring: T42N R2E Sect. 31, ca. 4800 ft. 1463 Comment
  HSC21993  Antennaria media J. O. Sawyer 1969-8-4 1804 Siskiyou Above Sugar Lake 2134 Comment
  JEPS25842  Antennaria media Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7457 Siskiyou meadow at headwaters of, just of Jeep Rd from Poker Flat to Twin Valley Indian Creek; Siskiyou Mts., Indian Creek 1584 Comment
  HSC45205  Antennaria racemosa J. O. Sawyer, E. Cope 1977-6-20 2973 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  RSA238705  Antennaria racemosa Frederick W. Oettinger 1969-7-29 1109 Siskiyou Occasional on open, granitic, rocky slope NNW of Upper English lake; western exposed and growing beneathe a sugar pine. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET6755311 Image available Antennaria racemosa G. D. Butler 1910-6-4 1502 Siskiyou Shackleford Creek Comment
  UC1190277  Antennaria rosea Ira L. Wiggins 1955-7-27 13536 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  CDA10083  Antennaria rosea subsp. rosea Vernon H. Oswald & Lowell Ahart 1998-6-11 9210 Siskiyou Old State Highway, 0.1 mile east of Tennant Road, ca. 9 air miles east of Grass Lake located on Highway 97, ca. 22 air miles northeast of Weed. Comment
  HSC21968  Antennaria rosea subsp. rosea J. O. Sawyer 1969-8-4 1843 Siskiyou Above Sugar Lake 2134 Comment
  HSC4643  Antennaria rosea subsp. rosea R. C. Wunner 1965-7-9 361 Siskiyou California Lava Beds National Monument; junction of main road and Crescent Butte Cinder Pit 1479 Comment
  CAS-BOT-BC102272  Anthemis cotula H. E. Brown 1897-6-15 s.n. Siskiyou North side Mt. Shasta 3048 Comment
  CAS-BOT-BC280674  Anthoxanthum nitens Gus Hormay 1944-7-19 s.n. Siskiyou Kuck's Cabin, Bald Mountain, west of Mount Hebron 1828 Comment
  UC163714  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1910-6-17 1569 Siskiyou Humbug Mountain 1066 Comment
  JEPS83880  Apocynum androsaemifolium Wayne Roderick 1976-7-1 Siskiyou along trail to Lily Pad Lake (vicinity of Cook and Green Pass) 1706 Comment
  UC196342  Apocynum androsaemifolium A. A. Heller 1914-8-25 11703 Siskiyou along R.R. embankment near Deetz station opposite Black Butte 1158 Comment
  HSC44571  Apocynum androsaemifolium Laura Witherspoon 1977-8-10 Siskiyou 1/2 mi. before camp 3. 976 Comment
  RSA211337  Apocynum androsaemifolium subsp. pumilum William J. Ferlatte 1966-8-18 408 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  CAS-BOT-BC394983  Aquilegia formosa H. A. Thomas; J. H. Thomas 1954-7-23 4476 Siskiyou Salmon - Trinity Mts, about 6 miles SE of Cecilville, vicinity of Blind Horse Creek 1036 Comment
  CAS-BOT-BC394987  Aquilegia formosa A. A. Heller 1905-6-22 13499 Siskiyou Between Igerna and Weed Comment
  CAS-BOT-BC397941  Aquilegia formosa Doris K. Kildale 1929-7-20 8541 Siskiyou Trail to Preston Peak along S Fork Indian Creek 2133 Comment
  CAS-BOT-BC397942  Aquilegia formosa Doris K. Kildale 1928-7-2 5398 Siskiyou Salmon Summit, Horn Creek Trail 1981 Comment
  POM332443  Aquilegia formosa J. P. Smith, Steve Selva 1970-6-15 3975 Siskiyou 1 mile W of junction Calif. 3 and road 8 leading to Sugar Creek. 1159 Comment
  HSC22426  Aquilegia formosa var. truncata J. O. Sawyer 1969-6-12 926 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC44591  Aquilegia formosa var. truncata Laura Witherspoon 1977-6-30 Siskiyou Dillon Camp 1494 Comment
  RSA0125741  Arabis breweri Frederick W. Oettinger 1969-7-15 1026 Siskiyou Between Diamond Lake and Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC6547  Arabis divaricarpa Dorothy Parker 1949-5-28 305 Siskiyou Kidder Creek, Salmon Mtns. Range 915 Comment
  RSA758211  Arabis holboellii R. F. Thorne 1969-8-2 63336 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  SEINET193230  Arabis holboellii var. pinetorum Lincoln Constance, Reed C. Rollins 1942-5-13 2914 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  HSC22430  Arabis holboellii var. retrofracta J. O. Sawyer 1969-7-9 1248 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC69252  Arabis holboellii var. retrofracta J. O. Sawyer, J. Cole 1980-7-20 3722 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  POM94756  Arabis holboellii var. retrofracta Geo. D. Butler 1910-6-5 1525 Siskiyou Log Lake, Shackleford Creek. Comment
  HSC26562  Arabis platysperma J. P. Smith, J. O. Sawyer 1972-8-20 5754 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC62267  Arabis platysperma Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  POM144225  Arabis platysperma var. howellii M. S. Baker 1898-8-7 484 Siskiyou Medicine Lake. Comment
  JEPS101148  Arabis pycnocarpa var. pycnocarpa Dean W. Taylor 1996-6-19 15715 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UC1299655  Arabis rectissima var. rectissima Freed W. Hoffman 1948-7-8 2588 Siskiyou 7.5 mi n West Branch Camp (Waldo-Happy Camp Road); North Coast Ranges 1402 Comment
  POM95492  Arabis sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Comment
  HSC42970  Arabis sparsiflora var. subvillosa J. O. Sawyer, Ken Stillman 1976-5-29 2746 Siskiyou Along Specimen Creek 1433 Comment
  RSA0001909  Arabis sparsiflora var. subvillosa Geo. D. Butler 1909-5-8 723 Siskiyou Yreka Hills. Comment
  JEPS20042  Arabis subpinnatifida George D. Butler 1909-4-8 587 Siskiyou hills w Yreka Comment
  UC165958  Arabis subpinnatifida Geo. D. Butler 1910-4-17 1194 Siskiyou near Yreka Comment
  RSA45328  Arabis subpinnatifida Dorothy Parker 1947-3-30 164 Siskiyou East side of Scott Valley near Hartstrand Gulch. 866 Comment
  JEPS53189  Arabis suffrutescens Harley P. Chandler Jun 1901 1678 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  HSC29176  Arabis suffrutescens Frederick W. Oettinger 1968-8-16 540 Siskiyou Marble Mtn. Wilderness Area, W side of Red Hill N of Hancock Lake 2058 Comment
  HSC27591  Aralia californica Carl W. Mize 1972-6-21 70 Siskiyou Along trail by first creek 335 Comment
  SEINET2471354  Arceuthobium abietinum R. L. Mathiasen 2007-9-19 2007 -52 Siskiyou Etna Summit ca. 13 km W. of Etna on rd. to Sawyers Bar 1850 Comment
  CAS-BOT-BC407706  Arceuthobium americanum Peter H. Raven 1956-9-5 10456 Siskiyou North Fork of Sacramento River 2011 Comment
  RSA237459  Arceuthobium californicum Frederick W. Oettinger 1969-9-5 1677 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
  UC1388343  Arctostaphylos Freed W. Hoffman 1948-7-8 2584 Siskiyou Waldo-Happy Camp Rd n West Branch Camp; North Coast Ranges Comment
  UCD51964  Arctostaphylos manzanita Warren Roberts 1967-9-25 Siskiyou Near Somes Bar. Comment
  CAS-BOT-BC39985  Arctostaphylos nevadensis G. B. Grant 1902-9-8 5128 Siskiyou Mt. Shasta - Horse Camp 2743 Comment
  HSC740  Arctostaphylos nevadensis William J. Ferlatte 1966-6-22 71 Siskiyou Josephine Lake Basin 1677 Comment
  SEINET11989670  Arctostaphylos nevadensis R. Raiche, Zadnik, K. 1982-1 20785 Siskiyou 11 mi WNW of Yreka at Deadwood Lookout 1707 Comment
  SBBG5452  Arctostaphylos nevadensis subsp. nevadensis H. and M. Dearing 1939-7-2 3800 Siskiyou Etna-Salmon Divide 1828 Comment
  HSC68377  Arctostaphylos patula Maralyn A. Renner 1980-6-26 1211 Siskiyou N edge of Flint Valley 1390 Comment
  HSC69157  Arctostaphylos patula Maralyn A. Renner 1980-8-7 2394 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  JEPS38836  Arctostaphylos patula Geo. D. Butler 1909-5-30 586 Siskiyou Yreka Hills Comment
  JEPS83892  Arctostaphylos patula Wayne Roderick July 1976 Siskiyou areas near Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mountains Comment
  LA42233  Arctostaphylos patula William Bridge Cooke; 1939-8-4 sn Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  POM301588  Arctostaphylos patula C. Hart Merriam 1899-10-6 s.n. Siskiyou Sisson. Comment
  POM367403  Arctostaphylos patula Christopher Davidson 1975-6-5 2649 Siskiyou 2.4 mi E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1280 Comment
  RSA211431  Arctostaphylos patula William J. Ferlatte 1967-6-5 492 Siskiyou Big Flat. 1524 Comment
  UC165732  Arctostaphylos patula Geo. D. Butler 1909-5-30 794 Siskiyou hills near Yreka Comment
  HSC67138  Arctostaphylos viscida J. P. Smith 1973-5-5 6482 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC47015  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-4-27 7482 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  HSC60849  Arenaria serpyllifolia Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  POM208262  Arenaria serpyllifolia L. C. Wheeler 1934-6-4 2641 Siskiyou Ridge E Negro Gulch off Klamath River; Siskiyou Mts. 1067 Comment
  CAS-BOT-BC467190  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1937-7-23 13351 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA237421  Arnica amplexicaulis Frederick W. Oettinger 1968-9-4 698 Siskiyou On the SE side of Abbott's lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC682096  Arnica cernua G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3269 Siskiyou 15 mi n, above Indian Creek Happy Creek; Indian Creek 1219 Comment
  UCD129117  Arnica chamissonis Malcolm A. Nobs; Calvin McMillan 1949-6-17 798 Siskiyou Grass Lake, Highway 97. Comment
  RSA105404  Arnica cordifolia G. D. Barbe 1955-7-4 092 Siskiyou 11 miles S of Etna on the N Fork of French Creek. About 1000 ft from Parrot Mill Rd. 976 Comment
  CDA10119  Arnica cordifolia var. pumila G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2608 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  JEPS35856  Arnica discoidea Geo. D. Butler 1908-8-26 322 Siskiyou 4 mi ne of Sawyers Bar; Russian Creek 1219 Comment
  POM53677  Arnica discoidea E. B. Copeland 1903-8-17 3909 Siskiyou Mt. Eddy. 1311 Comment
  POM30864  Arnica discoidea Geo. D. Butler 1910-6-4 1492 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC82661  Arnica latifolia Doris K. Kildale 1928-8-19 6549 Siskiyou Hancock Lake, on trail to Marble Mt. Comment
  JEPS89495  Arnica latifolia Dean William Taylor 1972-7-4 1591 Siskiyou 3 mi. w. Cook and Green Pass (near Lily Pad Lake) 1981 Comment
  SD88324  Arnica latifolia Darley F. Howe 1972-7-6 4871 Siskiyou 1.4 miles south of Oregon State Line on road to Happy Camp 1645 Comment
  UC1408755  Arnica latifolia Frederick W. Oettinger 1968-8-10 460 Siskiyou high lake basins in vicinity of English Peak ((along old Hancock Lake trail to Diamond Lake)); Salmon Mountains, Marble Mountain Wilderness Area, English P 1973 Comment
  JEPS74455  Arnica latifolia W. J. Ferlatte 1967-7-26 765 Siskiyou near, nw side of Caribou Mt Browns Meadow; Trinity Alps, Caribou Mountain 1828 Comment
  RSA253490  Arnica latifolia C. L. Hitchcock, J. S. Martin 1939-7-7 5233 Siskiyou On road to Bolan Lake, 5 mile from cut off at jct with Takilma Happy Camp road 1768 Comment
  HSC22152  Arnica mollis J. O. Sawyer 1969-8-18 1984 Siskiyou Above South Sugar Creek 2134 Comment
  HSC26911  Arnica mollis J. P. Smith, J. O. Sawyer 1971-9-17 4778 Siskiyou Little Duck Lake Comment
  UC1408812  Arnica nevadensis Frederick W. Oettinger 1969-7-28 1082 Siskiyou nw above Upper English Peak; Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  CAS-BOT-BC85041  Arnica spathulata Doris K. Kildale 1929-7-20 8706 Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  CHSC65216  Arnica viscosa V. Parker; J. Cooper, M. Ulloa-Cruz, B. Dalleske, C. Crocker 1994-8-3 855 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Pvt. land. Where road crosses Panther Creek tributary SE of Gray Butte. 1950 Comment
  CHSC72223  Artemisia biennis Vernon H. Oswald; Lowell Ahart 1998-9-16 9648 Siskiyou Tour Route at Lower Klamath NWR 3 mi south of Hwy. 161. 1243 Comment
  SEINET516319  Artemisia cana subsp. bolanderi Vernon H. Oswald 1998-9-16 9628 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Smas Neck Rd. and Hwy. 97 ca. 5 mi N of Macdoel. 1295 Comment
  CAS-BOT-BC90481  Artemisia douglasiana Elmer I. Applegate 1923-8-21 3922 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CAS-BOT-BC93710  Artemisia norvegica subsp. saxatilis Annetta Carter 1939-8-21 1470 Siskiyou Steep slope above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2194 Comment
  HSC35806  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-18 1978 Siskiyou S of S Sugar Lake 2104 Comment
  CHSC100006  Aruncus dioicus var. pubescens L. P. Janeway 2008-7-25 9491 Siskiyou Klamath Ranges. Siskiyou Mountains; at Horsetail Falls, along Road 48N20, along upper eastern fork of East Fork Seiad Creek. 1237 Comment
  UC1045273  Asarum caudatum W. B. Cooke 1940-7-12 15316 Siskiyou in Box Canyon of the Sacramento River near Mount Shasta City 914 Comment
  CAS-BOT-BC400694  Asarum hartwegii Alice Eastwood 1923-5-18 11819 Siskiyou Shasta Springs Comment
  UCD77362  Asclepias cordifolia Robert E. Preston 2002-6-21 1879 Siskiyou Klamath National Forest, Rainbow Mountain, S slope. 1819 Comment
  SEINET10580339  Asclepias cordifolia H. E. Brown 1897-6-11 Brown 371 Siskiyou Mt. Shasta, N side 1524 Comment
  SEINET10961631  Asclepias cordifolia George D. Butler 1910-5-23 Butler 1396 Siskiyou Humbug Mountain 1219 Comment
  SEINET191595  Asclepias fascicularis Marion Ownbey, Fred G. Meyer 1940-7-4 2170 Siskiyou Border of meadow along Ditch Creek, near Hornbrook. Comment
  JEPS6285  Asclepias speciosa W. L. Jepson 1940-6-22 19971 Siskiyou Hornbrook 670 Comment
  UC164149  Asclepias speciosa Geo. D. Butler 1908-8-13 1019 Siskiyou near Yreka Comment
  UCD137299  Aspidotis densa Louise Kellogg 5-7 Aug 1953 103 Siskiyou Scott Mountains, Klamath National Forest (11 miles east of Callahan on road to Gazelle, then south 5.8 miles on logging road); Cabin Meadow, 1 mile north of Cory Peak. 1844 Comment
  UCSB17935  Aspidotis densa Hardham, Clare 1961-7-3 Siskiyou Scott Mountains, S of Calahan Comment
  CAS-BOT-BC178801  Astragalus californicus John Thomas Howell; Alice Eastwood 1934-4-20 1743 Siskiyou Near Yreka on Ft. Jones Road Comment
  JEPS117871  Astragalus curvicarpus var. curvicarpus J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -15 Siskiyou North side of Mt. Shasta south of Hwy. 97 Hotlum Fire area burned in February 2006 1090 Comment
  CAS-BOT-BC186741  Astragalus gambelianus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53573 Siskiyou Yreka 822 Comment
  CAS-BOT-BC194435  Astragalus obscurus Alice Eastwood; John Thomas Howell 1934-4-20 1786 Siskiyou 4 miles n. of Weed Comment
  CDA26744  Astragalus purshii Bob Hunter 1948-7-14 Siskiyou Yreka. 0 Comment
  UCD105213  Astragalus purshii Wm. E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  UCD105227  Astragalus purshii var. lectulus W. R. Hildreth 1971-8-4 s.n. Siskiyou Summit of Marble Mountain. Comment
  SEINET5326786  Astragalus purshii var. tinctus G. Butler 1910-5-5 1283 Siskiyou Humbug Mtn. Comment
  JEPS81879  Astragalus whitneyi Roger Raiche 1982-7-4 20531 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC200881  Astragalus whitneyi var. lenophyllus Louis C. Wheeler 1934-8-24 3217 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  CAS-BOT-BC198710  Astragalus whitneyi var. siskiyouensis Peter H. Raven 1956-9-4 10414 Siskiyou S. Side of Mt. Eddy 2682 Comment
  CHSC837  Astragalus whitneyi var. siskiyouensis V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1219 Comment
  RSA790235  Astragalus whitneyi var. siskiyouensis Rebecca Wenk 2005-7-19 319 Siskiyou Along Pacific Crest Trail, 1-2 miles south of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy. 2134 Comment
  RSA94036  Astragalus whitneyi var. siskiyouensis R. C. Barneby 1954-5-17 11536 Siskiyou Scott Mts., 5 miles above Callahan. 1265 Comment
  SEINET5335240  Astragalus whitneyi var. siskiyouensis B. Wilson 2011-7-31 16701 Siskiyou Shasta-Trinity National Forest, north of the Pacific Crest Trail on road 42N17, at a 90 degree bend, in the Park Creek drainage 2024 Comment
  UC1034573  Astragalus whitneyi var. siskiyouensis Douglas Barbe 1955-7-26 272 Siskiyou nw slope Scott Mt. (Klamath Mountains); , nw slope Scott Mt. 1828 Comment
  HSC62626  Asyneuma prenanthoides Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  HSC30653  Asyneuma prenanthoides Frederick W. Oettinger 1969-8-5 1198 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mtn. Wilderness Area, on slope along trail between Abbott's Upper Cabin and English Lake, just above Willow Springs. 1677 Comment
  HSC44583  Asyneuma prenanthoides Laura Witherspoon 1977-8-10 Siskiyou 2 mi. up FS Rd. 12N13 W of Bald Butte 610 Comment
  HSC364  Athyrium distentifolium var. americanum William J. Ferlatte 1967-8-23 1097 Siskiyou Head of Kidd Creek 2134 Comment
  UC618802  Athyrium distentifolium var. americanum W. Bridge Cooke 1938-9-8 11617 Siskiyou above the heather meadow Panther Creek Glacial Meadow; Mt Shasta Comment
  RSA237519  Athyrium filix-femina subsp. cyclosorum Frederick W. Oettinger 1966-8-7 44 Siskiyou Below the Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC68705  Athyrium filix-femina var. californicum Gilbert Muth 1965-8-3 s.n. Siskiyou Creek at marble Valley Comment
  CAS-BOT-BC66192  Athyrium filix-femina var. cyclosorum Ira L. Wiggins 1955-7-24 13500 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  CAS-BOT-BC66196  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1910-7-1 1685 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC17619  Athysanus pusillus W. J. Crins; et al 1988-4-18 7431 Siskiyou Klamath National Forest. 10 km. west of I-5 on Highway 96, Tree-of-Heaven Camp. Comment
  UC166118  Balsamorhiza deltoidea Geo. D. Butler 1909-4-14 595 Siskiyou Humbug Road Comment
  CAS-BOT-BC106545  Balsamorhiza deltoidea Geo. D. Butler 1909-5-1 702 Siskiyou Shasta River Hills Comment
  CAS-BOT-BC100057  Balsamorhiza lanata Alice Eastwood; John Thomas Howell 1934-4-20 1754 Siskiyou Near Yreka on Ft. Jones Road Comment
  SFV3761  Balsamorhiza lanata D. Parker 1951-4-19 544 Siskiyou Near Callahan. 945 Comment
  RSA264995  Barbarea orthoceras Gilbert Muth 1975-7-30 9963 Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  UC472297  Berberis aquifolium var. dictyota H. W. Furlong Sept. 1901 Siskiyou summit to Ager Comment
  CAS-BOT-BC75731  Berberis nervosa William Bridge Cooke 1940-8-8 15415 Siskiyou Mount Shasta. Below the McCloud intake along Squaw Valley Creek. 1371 Comment
  CAS-BOT-BC75922  Berberis piperiana Doris K. Kildale 1929-5-1 7841 Siskiyou Callahan. Comment
  CAS-BOT-BC75926  Berberis piperiana L. B. Kildale 1930-6-1 9822 Siskiyou Etna Mills. Comment
  CAS-BOT-BC75933  Berberis piperiana Roxana S. Ferris; Laura Lorraine 1948-6-12 11826 Siskiyou 1 mile below summit of Gazelle Mountain Grade, west side, Gazelle-Callahan Road. 1219 Comment
  CAS-BOT-BC76010  Berberis pumila Doris K. Kildale 1929-8-24 8833 Siskiyou Preston Peak. 2228 Comment
  JEPS107288  Betula occidentalis Lowell Ahart, John Dittes 2005-6-10 12072 Siskiyou On N side of the Shasta R., near rocky hillside N of the Shasta R., S of poor dirt road, ca. 50 yd NW of the pump house along the Shasta R., ca. 1.9 mi (air) S of Hwy 99/97 Cutoff, ca. 6 mi (air) east-SE of Grenada 776 Comment
  RSA47635  Betula occidentalis Roxana S. Ferris, Laura Lorraine 1948-6-16 11823 Siskiyou East fork of Scott River drainage, Parker Ranch, Plowmans (Noyes) Valley. 1204 Comment
  UC198713  Betula occidentalis Annie M. Alexander and L. Kellogg 1911-6-13 130 Siskiyou 6 mi nw Callahan Comment
  UC726782  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy 1524 Comment
  CAS-BOT-BC413074  Bistorta bistortoides D. E. Breedlove 1962-6-11 3370 Siskiyou Along State Hwy. 89, 17.6 miles east of McCloud; Cascade Mts. 1219 Comment
  CAS-BOT-BC127936  Blepharipappus scaber J. J. Walters 1936-5-30 s.n. Siskiyou Bogus Creek, one mile above its confluence with the Klamath River Comment
  CHSC63494  Blepharipappus scaber Vernon H. Oswald; Lowell Ahart 1994-8-1 6444 Siskiyou Junction of Forest Rd. 17 and Stewart Springs Rd., W of Weed. 1146 Comment
  HSC44242  Blepharipappus scaber M. A. Baker 1977-5-22 325 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  HSC46196  Blepharipappus scaber Jennifer Whipple 1977-4-30 1875 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC82282  Blepharipappus scaber Thomas W. Nelson, Jane P. Nelson 1979-6-15 4801 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  CAS-BOT-BC127939  Blepharipappus scaber T. S. Brandegee 1887-6-1 s.n. Siskiyou Klamath River (Hornbrook) Comment
  POM351059  Blepharipappus scaber L. C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  UCD15033  Boechera John M. Tucker 1963-7-7 3723 Siskiyou Marble Mountain Wilderness Area, vicinity of Paradise Lake at east base of King's Castle; 1981 Comment
  UC1409498  Boechera breweri subsp. breweri Frederick W. Oettinger 1968-8-10 465 Siskiyou e side Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2042 Comment
  CAS-BOT-BC16016  Boechera breweri subsp. breweri R. C. Barneby 1954-5-16 11505 Siskiyou Klamath River Canyon 9 miles upstream from Klamath River Post Office. 609 Comment
  CAS-BOT-BC13811  Boechera howellii Reed Rollins 1938-7-28 11373 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  UC1483443  Boechera platysperma J. Sawyer and J. Cole 1980-7-20 3783 Siskiyou s of Grouse Hill (at n base of Badger Peak); Klamath National Forest, Medicine Lake Quad., Badger Peak 2145 Comment
  CAS-BOT-BC25425  Boechera retrofracta Ira L. Wiggins; Dorothy B. Wiggins 1961-6-15 16493 Siskiyou At quarry on Glass Mountain. Comment
  CAS-BOT-BC25623  Boechera retrofracta George Dexter Butler 1909-5-1 728 Siskiyou Near Yreka. Comment
  HSC29124  Boschniakia strobilacea Frederick W. Oettinger 1969-7-14 1021 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area, on the N side of Charmaine Lake 1921 Comment
  HSC60900  Botrychium multifidum Al Hobart Siskiyou Black Butte Comment
  UC810936  Botrychium simplex W. Bridge Cooke and V. G. Cooke 1942-9-8 Siskiyou Panther Creek Mount Shasta 2438 Comment
  UCD102598  Boykinia major Dean William Taylor 1972-7-3 1585 Siskiyou At Cook and Green Pass. 1371 Comment
  HSC60813  Boykinia major Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley 1220 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
  CAS-BOT-BC30274  Brassica nigra R. E. Frenkel 1964-7-13 676 Siskiyou On graded right of way to west of Everitt Memorial Highway. 1283 Comment
  JEPS18783  Brickellia californica Geo. D. Butler 1909-9-20 948 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC127857  Brickellia grandiflora Alice Eastwood 1912-7-26 1459 Siskiyou Pitt to Kennet. Sisson. Comment
  JEPS15325  Brickellia greenei Alice Eastwood 1912-8-28 1956 Siskiyou Cantara Comment
  OBI55401  Brickellia greenei David J. Keil 1992-7-24 23562 Siskiyou Klamath Natl forest E of Callahan. 2.5 mi N of Kangaroo Lake on Rail Crk rd Comment
  UC635731  Brodiaea elegans subsp. elegans D. Tebbe 1929-7-15 135 Siskiyou White's Gulch Salmon Mts. Comment
  POM109930  Brodiaea elegans subsp. elegans Geo D. Butler 1910-5-28 1421 Siskiyou Near Yreka. Comment
  UCD58304  Bromus carinatus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3413 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UC1265361  Bromus carinatus var. carinatus F. W. Oettinger 1969-8-18 1424 Siskiyou Horse Range Lake, Salmon Mountains, western Siskiyou County Horse Range Lake; Salmon Mountains, Horse Range Lake 1821 Comment
  CAS-BOT-BC155981  Bromus diandrus Dorothy Parker 1949-6-16 91 Siskiyou Along the road at the edge of a field entrance to McConahue Gulch. Scott Valley. 853 Comment
  CAS-BOT-BC155982  Bromus diandrus R. E. Frenkel 1963-7-15 240 Siskiyou West of Everitt Memorial Highway, 1.7 miles north of McCloud River Railroad crossing near Mount Shasta. 1290 Comment
  HSC103018  Bromus diandrus J. P. Smith 2014-6-6 13875 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  UCD58801  Bromus hordeaceus Geo. D. Butler 1910-5-4 1276 Siskiyou Near Yreka. Comment
  RSA715629  Bromus japonicus L. Ahart 2005-6-9 12009 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  RSA239067  Bromus marginatus Frederick W. Oettinger 1969-8-13 1351 Siskiyou Southeast ridge of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  JEPS71166  Bromus orcuttianus George D. Butler 1908-7-20 469 Siskiyou Humbug Creek Comment
  JEPS69218  Bromus secalinus Geo. D. Butler 1909-6-5 826 Siskiyou near Yreka Comment
  HSC22860  Bromus suksdorfii J. O. Sawyer, D. E. Anderson 1969-7-9 1270 Siskiyou S facing upper slope above S Sugar Lake. 2378 Comment
  UC1190230  Bromus vulgaris Ira L. Wiggins 1955-7-29 13590 Siskiyou 3.5 mi above South Fork Salmon River (along Thompson Creek); Thompson Creek 1371 Comment
  UC166058  Cacaliopsis nardosmia Geo. D. Butler 1909-5-30 760 Siskiyou Humbug Mountain Comment
  HSC104253  Calamagrostis canadensis var. canadensis Dana York 2011-9-9 3099 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC27035  Calamagrostis canadensis var. langsdorffii J. P. Smith, J. O. Sawyer 1972-9-14 5812 Siskiyou Edge of Little Duck Lake 2073 Comment
  HSC30655  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1184 Siskiyou Marble Mtn. Wilderness Area, on moraine N of Tobacco Lake 1890 Comment
  HSC96316  Calamagrostis canadensis var. langsdorffii Gordon Leppig, J. Kalt 1996-7-9 385 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC30641  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 772 Siskiyou Marble Mtn. Wilderness Area, NW slope above Tobacco Lake 2012 Comment
  UC816583  Calamagrostis koelerioides John Thomas Howell 1937-7-25 13451 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  RSA237959  Callitriche verna Frederick W. Oettinger 1969-8-24 1519 Siskiyou Inlet of upper English Lake. Salmon Mtns.; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC19314  Callitropsis nootkatensis J. O. Sawyer 1968-9-10 675 Siskiyou Near top of Preston Peak 1524 Comment
  OBI55417  Calocedrus decurrens David J. Keil 1992-7-20 23512 Siskiyou Etna 1000 Comment
  SEINET212050 Image available Calocedrus decurrens D. K. Bailey 1972-9-12 72 -36 Siskiyou Along road from O'Brien, Oregon to Happy Camp, California; about 7 mi NW of Happy Camp. 457 Comment
  UC60898  Calocedrus decurrens W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  POM21798  Calocedrus decurrens E. B. Copeland 1903-8-13 3913 Siskiyou Sisson, on Big Spring Creek 1067 Comment
  RSA60629  Calochortus coeruleus I. L. Wiggins 1950-5-28 12383 Siskiyou Serpentine ridge just above Grouse lake (headwaters of Grouse Creek). 1738 Comment
  JEPS113327  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. Comment
  UC13822  Calochortus elegans Harley P. Chandler Jun 1901 1646 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CDA39292  Calochortus elegans var. nanus D. Osterhandt & D. H. Shaw 1978-5-18 s.n. Siskiyou Near Forks of Salmon. 0 Comment
  HSC582  Calochortus nudus William J. Ferlatte 1966-8-3 272 Siskiyou Josephine Lake basin 1677 Comment
  HSC82362  Calochortus nudus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4515 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UC1408792  Calochortus nudus F. W. Oettinger 1969-7-25 Siskiyou ca 15 air mi sw Weed (near Kangaroo Lake Campground); Shasta-Trinity National Forest, Scott Mts. Comment
  UC1618317  Calochortus nudus Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9367 Siskiyou ca 1 mi e Toad Lake (at head of Middle Fork Sacramento River, ca 8 air mi w of Mt Shasta City); Middle Fork Sacramento River 1981 Comment
  CAS-BOT-BC132457  Calochortus persistens Marion Ownbey; S. J. Preece, Jr. 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka Comment
  HSC44855  Calochortus tolmiei J. P. Smith 1973-5-5 6538 Siskiyou Scott Bar along the Scott River Comment
  HSC65411  Calochortus tolmiei Rich White 1978-7-3 209 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  CAS-BOT-BC132626  Calochortus uniflorus Wayne Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, n. of Cory Peak, Scott Mts. 1828 Comment
  CAS-BOT-BC132629  Calochortus uniflorus A. A. Heller 1915-7-15 12100 Siskiyou Mt. Eddy 1371 Comment
  JEPS80502  Caltha biflora Gilbert Muth 1966-7-8 352 Siskiyou Marble Valley, Marble Mt. Wilderness Area. 1792 Comment
  CDA24203  Caltha leptosepala var. biflora T. C. Fuller, Don Shaw 1974-9-24 20021 Siskiyou Siskiyou Mountains.; Reeves Ranch Springs, east of White Mountain. 0 Comment
  UC894270  Calycadenia truncata Alice Eastwood 1922-10-23 11552 Siskiyou Yreka Comment
  UCD129886  Calycadenia truncata R. L. Carr 1974-9-12 2160 Siskiyou 0.4 mile east of Somesbar on Salmon River Road. 195 Comment
  SEINET7096759  Calyptridium monandrum A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between tail road and highway 99 (I 15). NAD27, 41? deg. 25' 49ao, -122?_ 24' 09ao (converted to WGS84 decimal degrees) UTM Zone 10, 549920mE, 4586493mN. Comment
  CHSC9498  Calyptridium monospermum J. F. Goodwin 1971-7-3 148 Siskiyou Southeast side of Castle Lake, 0.1 mi south on Lookout Trail on east side of trail in open, grassy area; 9.2 mi. sw of Mt. Shasta City. 1676 Comment
  UC625479  Calyptridium monospermum Frank W. Gould 1938-6-27 481 Siskiyou 3 mi n of Mount Shasta (town) (near hwy U.S. 99) 1082 Comment
  JEPS52521  Calyptridium umbellatum W. L. Jepson 1907-7-4 2816 Siskiyou near Marble Mountain (Shackelford Canyon); Shackelford Canyon Comment
  UC618664  Calyptridium umbellatum W. Bridge Cooke 1938-8-21 11538 Siskiyou Mount Shasta, Horse Camp Flats Horse Camp Flats; Mount Shasta, Horse Camp Flats 2438 Comment
  CDA39272  Camassia quamash M. K. Bellue Jun 1934 s.n. Siskiyou near Yreka(?). 0 Comment
  CAS-BOT-BC36992  Camelina microcarpa L. E. Smith 1913-6-5 415 Siskiyou Montague. Comment
  UCD114104  Camelina microcarpa Roseman 1913-1 39 Siskiyou Butte Valley. Comment
  SDSU1366  Campanula prenanthoides D. F. Howe 1962-8-4 3388 Siskiyou Baldy Mts. 1524 Comment
  SEINET10840311  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 6008 Siskiyou NR SALMON R., LITTLE N. FORK, SAWYER'S BAR QUAD 2241', HILLSIDE, GRAVELLY SOIL, NR FORKS OF SALMON Comment
  SEINET10939000  Campanula prenanthoides Clifton 1978-6-20 CLIFTON 1415 Siskiyou NR O'NEIL CREEK, SEIAD V. QUAD., NR SEIAD V. 1499', ROAD CUT, BOULDERS Comment
  SEINET10463105  Campanula prenanthoides Muth 1967-8-13 MUTH 731 Siskiyou Little Elk Lake, Marble Mountains, dry open area. 1628 Comment
  SEINET10463107  Campanula prenanthoides Louis Krautter 1905-7-8 Krautter 178 Siskiyou South of Mount Shasta Comment
  SEINET10463156  Campanula prenanthoides Whiteley 1975-6-22 WHITELEY 37 Siskiyou Klamath National Forest along highway 96 near Somes Bar. T12N R6E Sec. 33 219 Comment
  SEINET10463200  Campanula prenanthoides Rexford REXFORD s.n. Siskiyou S SIDE OF SHAFT-ROCK HUT(?), HILT Comment
  SEINET10463333  Campanula prenanthoides Mize 1972-8-17 MIZE 103 Siskiyou FORKS OF SALMON R QUAD, S OF GATES CREEK. T12N R7E Sec. 20 488 Comment
  SEINET10840317  Campanula prenanthoides John T. Witherspoon 1977-8-10 Witherspoon s.n. 1977 Siskiyou 2 MI UP FOREST SERVICE RD 12N13 W OF BALD BUTTE. T12N R6E SEC. 11 610 Comment
  SEINET10905892  Campanula prenanthoides Condit 1911-7-3 CONDIT s.n. Siskiyou SHASTA RETREAT, COMMON ALONG RR & ON MTN SIDES Comment
  SEINET10939014  Campanula prenanthoides Edward L. Greene 1876-7-21 Greene 958 Siskiyou Near Yreka Comment
  JEPS16326  Campanula rotundifolia Peter H. Raven 1956-9-5 10457 Siskiyou North Fork of the Sacramento River 2011 Comment
  HSC77923  Campanula rotundifolia Wayne Rolle Aug 1983 Siskiyou 2012 Comment
  CAS-BOT-BC266455  Campanula scabrella A. A. Heller 1920-7-9 13428 Siskiyou Mount Eddy 2438 Comment
  SEINET10463383  Campanula scabrella William R. Dudley 1899-8-26 Dudley s.n. Siskiyou Slopes and top of Mount Eddy Comment
  POM255804  Campanula scouleri Marion Ownbey, Ruth Ownbey 1938-7-19 1757 Siskiyou Near Deer Camp, Siskiyou Mtns Comment
  SEINET10463782  Campanula scouleri Setchell 1902-7-26 SETCHELL s.n. Siskiyou Mount Shasta; Sisson Comment
  SEINET10463794  Campanula scouleri Louis Krautter 1905-7-7 Krautter s.n. Siskiyou Near Sisson 1067 Comment
  SEINET10872957  Campanula scouleri Louis Krautter 1905-7-7 Krautter s.n. Siskiyou NEAR SISSON, DENSE WOODS 1067 Comment
  SEINET10905942  Campanula scouleri Holt 1932-7-13 Holt s.n. Siskiyou NIXON'S CAMP, MT. SHASTA 671 Comment
  SEINET12271816  Campanula scouleri M. Ownbey, Meyer, F. G. 1940-1 2226 Siskiyou 18 mi N of Happy Camp Comment
  CAS-BOT-BC266464  Campanula wilkinsiana W. B. C. 1939-8-24 13894 Siskiyou Mount Shasta. Along the creeks in Squaw Creek meadows Comment
  SEINET10463874  Campanula wilkinsiana Groves 1944-8-28 GROVES s.n. Siskiyou Panther Meadows, Mt. Shasta. Comment
  HSC78220  Capsella bursa-pastoris L. P. Janeway 1983-8-28 648 Siskiyou Poker Flat 1529 Comment
  CAS-BOT-BC37235  Cardamine bellidifolia R. H. Bolimannsou 1926-7-16 s.n. Siskiyou Mount Shasta. Comment
  UC1368675  Cardamine bellidifolia var. pachyphylla W. B. and V. G. Cooke Siskiyou n side Red Butte (neath the South Gate, Mount Shasta); Mount Shasta, n side Red Butte Comment
  CAS-BOT-BC37743  Cardamine californica H. E. Brown 1897-7-1 483 Siskiyou North side Mount Shasta. 2743 Comment
  UC1173731  Cardamine californica Joseph P. Tracy 1939-4-29 16270 Siskiyou Rock bluff on s side 1 mi about mouth Salmon River (Somes Bar); Rock Bluff on s side Salmon River, Somes Bar 182 Comment
  JEPS82692  Cardamine californica var. integrifolia Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (above Castle Lake); sw of Mt. Shasta city, above Castle Lake 1905 Comment
  UC909340  Cardamine nuttallii Ira L. Wiggins 1950-5-28 12375 Siskiyou on ridge between Carmen Lake and headwaters Grouse Creek; ridge btwn Carmen Lake and headwaters Grouse Creek Comment
  UC1181803  Cardamine pensylvanica Dorothy Parker 1950-5-21 432 Siskiyou edges of swamp in Fay Lane (Scott Valley); Siskiyou Mountains, Scott Valley 853 Comment
  CDA6891  Carduus nutans C. S. Giebner 1966-7-1 Siskiyou Colly Road south of Grenada. 0 Comment
  CHSC116930  Carduus nutans Zachary Voigtman 2013-7-24 2013 -012 Siskiyou Forest Service Plantation, Mt. Shasta City. 1225 Comment
  SD123686  Carex Robert T. Clausen, Harold Trapido 1940-7-27 4963 Siskiyou Southern Cascade Mountains; Sacramento River Basin; in volcanic dust in open woods 6.25 miles north-northeast of summit of Mt. Shasta. 1829 Comment
  UC826284  Carex Frank W. Gould 1940-5-14 1228 Siskiyou Bull Meadows Goosenet Mountains 1524 Comment
  CAS-BOT-BC18388  Carex A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek, east side of Mt. Eddy in the yellow pine belt. 1524 Comment
  RSA237313  Carex abrupta Frederick W. Oettinger 1968-8-11 485 Siskiyou Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC17863  Carex amplifolia W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  SEINET7549680 Image available Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CAS-BOT-BC18132  Carex athrostachya H. M. Hall; E. B. Babcock 1903-6-1 4062 Siskiyou Sierra Nevada Mountains. Mount Shasta. Sisson. 1066 Comment
  JEPS63765  Carex athrostachya B. C. Goldsmith 1916-8-6 13 a Siskiyou Sisson Comment
  CAS-BOT-BC19557  Carex bolanderi John Thomas Howell 1937-7-21 13197 Siskiyou South Fork of Salmon River near Big Flat. 1524 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
  HSC41067  Carex bolanderi J. O. Sawyer 1969-6-27 866 Siskiyou Ridge between Duck Lake Creek & French Creek along FS 41N14 1280 Comment
  HSC76802  Carex bolanderi L. P. Janeway 1982-7-18 84 Siskiyou Next to SW-flowing tributary to Green Creek, 1/4 mi. N of the upper junction of FS 19N07 and FS 18N24 along FS 19N07 1341 Comment
  CHSC98584  Carex brainerdii Thomas W. Nelson; Jane P. Nelson 1983-7-29 7506 Siskiyou Along Forest road 41N14 5 miles north of junction with Callaghan-Cecileville county road at crossing over Sugar Creek. 1432 Comment
  RSA237237  Carex brainerdii Frederick W. Oettinger 1969-8-3 1146 Siskiyou Hot slope above English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SD53346  Carex breweri Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta. 2438 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
  SEINET8355497  Carex concinnoides Barbara Wilson 1994-5-27 6920 Siskiyou Rogue River NF: low on the New London, between the first and second acute corners, near the trailhead, between Rd 1050 and the creek. Comment
  RSA237265  Carex deflexa var. boottii Frederick W. Oettinger 1969-9-4 1625 Siskiyou Franz Peak ridge near Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC20752  Carex fracta J. Major 1961-7-14 647 Siskiyou Mount Shasta. In Mud Creek. 1706 Comment
  SEINET10652997  Carex gigas Thomas W. Nelson, Jane P. Nelson; James P. Smith 1978-7-24 Nelson 4544 Siskiyou Siskiyou-Trinity County line. China Mountain Quad. T39N, R7W, Sec. 5. Bog at head of Scott Mountain Creek south of Forest Service Campground. 1646 Comment
  HSC77158  Carex globosa L. P. Janeway 1983-7-17 415 Siskiyou NE facing slope at edge of FS Rd. 18N33, 7 mi. from the Grayback Rd. 1463 Comment
  UCD140363  Carex halliana S. S. Tillett 1956-7-11 690 Siskiyou Siskiyou - Trinity County: County line, north side Scott Mountain divide near campground; ca. 8 miles SE of Callahan. 1615 Comment
  CHSC116454  Carex hassei Julie Kierstead Nelson; Martin Lenz 2014-7-3 2014 -071 Siskiyou Headwaters of South fork Sacramento river; N edge of meadow off FS Road 40N26. 1828 Comment
  JEPS109250  Carex hassei D. W. Taylor 2005-9-28 19494 Siskiyou Scott Camp Creek Comment
  JEPS104437  Carex inops subsp. inops Martin J. Lenz 2003-6-9 19 Siskiyou 0.3 mi up 100R1 logging road from Tom Young Road, approx. 1 mi WNW of Pondosa 1254 Comment
  RSA211374  Carex integra William J. Ferlatte 1966-6-23 124 Siskiyou Trinity Alps: Yellow Rose Mine. 1982 Comment
  UC826561  Carex laeviculmis John Thomas Howell 1939-8-3 14964 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  CHSC62595  Carex lenticularis var. lipocarpa L. P. Janeway 1993-8-31 4573 Siskiyou Northeast side of Cliff Lake; headwaters of South Fork Sacramento River. 1758 Comment
  HSC29638  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Marble Mtns. Wilderness Area, Tom's Lake, lower meadow 2012 Comment
  CAS-BOT-BC31435  Carex leporinella Louis C. Wheeler 1934-8-9 3087 Siskiyou Jaynes Canyon. 1981 Comment
  SEINET7566380 Image available Carex luzulina L. P. Janeway 2006-7-2 8733 Siskiyou Deadman Peak 7.5' Quad. Klamath Ranges, Salmon Mountains, near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  CAS-BOT-BC31633  Carex luzulina var. ablata Peter H. Raven 1956-9-4 10381 Siskiyou Ridge S of Mt. Eddy. 2286 Comment
  CAS-BOT-BC31626  Carex luzulina var. ablata A. A. Heller 1922-7-3 13674 Siskiyou Wet soil along Wagon creek on Mt. Eddy. 2225 Comment
  CAS-BOT-BC31622  Carex luzulina var. luzulina J. M. Tucker 1950-7-23 1944 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  UC1026162  Carex mariposana Louis C. Wheeler 1934-7-21 3014 Siskiyou head Jaynes Canyon; Siskiyou Mts. Comment
  HSC48043  Carex microptera D. H. Norris 1972-6-12 22918 Siskiyou Along road to Jackson Lake, 3.5 mi. W of Callahan to Cecilville Hwy. Comment
  CAS-BOT-BC32001  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch Comment
  UCR45814  Carex multicostata K. T. Stillman 1976-7-30 328 Siskiyou Marble Mountain Wilderness Area. Elk Valley. Comment
  CAS-BOT-BC32282  Carex multicostata William J. Ferlatte 1974-7-14 1524 Siskiyou Big Flat, near South Fork of Salmon River. 1524 Comment
  HSC39380  Carex multicostata J. O. Sawyer 1969-7-18 1435 Siskiyou SW facing slope above Deacon Lee Trail 2195 Comment
  HSC101149  Carex nardina Dana York 2011-9-8 3087 Siskiyou Klamath National Forest, slopes of Kings Castle 2175 Comment
  CAS-BOT-BC119900  Carex nebrascensis Lewis Samuel Rose 1937-7-3 37395 Siskiyou Weed. 944 Comment
  CAS-BOT-BC21131  Carex nigricans Gote Wilhelm Turesson; Carl Gustav Alm 1938-7-19 499 Siskiyou Mount Shasta, southern slope. 2743 Comment
  SEINET7568932 Image available Carex nigricans Frederick W. Oettinger 1969-9-4 1658 Siskiyou Salmon Mountains, area at Tom's Lower Pond. 1951 Comment
  UC143741  Carex nudata Copeland 1903-7-4 3541 Siskiyou Klamathon Pacific Coast Comment
  UC194551  Carex nudata Geo. D. Butler 1910-7-6 1646 Siskiyou Shackleford Creek 914 Comment
  UC1147887  Carex pachycarpa Gilbert Muth 1966-10-16 3 Siskiyou Marble Mts. 1792 Comment
  UC1265432  Carex pachycarpa Frederick W. Oettinger 1968-8-8 450 Siskiyou Crapo Meadow Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  SEINET8410792  Carex pellita John Thomas Howell 1952-6-15 28359 Siskiyou 2 miles west of Montague Comment
  UC1265452  Carex preslii Frederick W. Oettinger 1969-8-19 1440 Siskiyou meadow SW of Arrow Peak (English Lake Basin; the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC68504  Carex rossii Maralyn A. Renner 1980-6-22 935 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  SEINET7573852 Image available Carex rossii L. P. Janeway 2006-7-2 8727 Siskiyou Deadman Peak 7.5' quad, Klamath Ranges, Salmon Mountains, near minor drainage to South Fork Scott River and the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  HSC69103  Carex rostrata Maralyn A. Renner 1980-8-4 2227 Siskiyou Flint Valley 1390 Comment
  HSC76823  Carex scabriuscula L. P. Janeway 1982-8-13 125 Siskiyou 70 m N of Bear Lake at edge of seasonal channel 1814 Comment
  RSA0089579  Carex scabriuscula Dean Wm. Taylor 2002-8-7 18296 Siskiyou Logging road below Tamarack Lake, East Fork Trinity River; seepage area ca. 300 m south of area shown on topographic maps as 4991T. 0.2 mi N of the creek crossing. 1546 Comment
  HSC39805  Carex scopulorum var. bracteosa J. O. Sawyer 1969-7-18 1414 Siskiyou Head of S Russian Creek 1829 Comment
  JEPS84063  Carex scopulorum var. bracteosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6435 Siskiyou ca. 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  UC1255  Carex scopulorum var. bracteosa W. H. Brewer Sep 1862 1458 Siskiyou near Shasta City; Mt. Bally Comment
  HSC30671  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2165 Comment
  CAS-BOT-BC117236  Carex spectabilis K. T. Stillman 1976-7-23 307 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 2011 Comment
  CAS-BOT-BC117239  Carex spectabilis William Bridge Cooke 1938-9-8 11666 Siskiyou Squaw Creek Meadows. Upper portions of the meadows at Squaw and Panther Creeks 2590 Comment
  HSC86441  Carex spectabilis D. K. Imper Jun 1987 Siskiyou Mount Shasta Wilderness, 8 mi. E of town of Mt. Shasta, along Squaw Creek and meadows 2134 Comment
  RSA238927  Carex spectabilis Frederick W. Oettinger 1968-9-6 731 Siskiyou Trail southeast of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC117342  Carex stipata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Sisson. Comment
  SEINET10847233  Carex stipata Unknown 1940-6-8 Anonymous 15121 Siskiyou In meadow in Mount Shasta City. Comment
  SD53353  Carex straminiformis Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC33154  Carex straminiformis William Henry Brewer 1397 Siskiyou Mount Shasta 2743 Comment
  CHSC110081  Carex straminiformis Robert F. Thorne; Fred Oettinger 1969-8-10 38977 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta; moist ground of streamlet originating as overflow from large water tank above ski lodge. 2316 Comment
  CAS-BOT-BC115853  Carex subfusca Cyrus Guernsey Pringle 1881-8-17 s.n. Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC115857  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  UC836151  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek Siskiyou Mts. 914 Comment
  HSC39085  Carex vernacula D. H. Norris May 1970 12298 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  UC194549  Carex vesicaria Geo. D. Butler 1910-7-8 1666 Siskiyou Log Lake Shackleford Creek 1219 Comment
  CAS-BOT-BC115165  Carex vesicaria James D. Jokerst 1983-7-5 1829 A Siskiyou Atkin's Meadow in a low lying area near the Lodgepole Pine Forest at the Meadow's NE corner. Comment
  HSC76829  Carex vesicaria L. P. Janeway 1982-7-2 38 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  CAS-BOT-BC59704  Cassiope mertensiana Doris K. Kildale 1929-7-20 8582 Siskiyou E. spur of Preston Peak above Rockefeller Lake. 2133 Comment
  JEPS74435  Cassiope mertensiana subsp. ciliolata W. J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn. 2468 Comment
  HSC86455  Castilleja affinis D. K. Imper Jun 1989 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 2287 Comment
  HSC20506  Castilleja applegatei D. M. Thomson 1965-8-7 173 Siskiyou Lava Beds National Monument, by Juniper Cave on Cave Loop Rd. Comment
  HSC36938  Castilleja applegatei subsp. pinetorum J. P. Smith 1974-5-27 7610 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC72500  Castilleja applegatei subsp. pinetorum J. P. Smith, Steve Selva 1970-6-16 3995 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  RSA425925  Castilleja applegatei subsp. pinetorum Christopher Davidson s.n. Siskiyou 1.1 mi from gate on special service rd branching SE of rd from Gazelle to Callahan, ca. 9.3 m W of Gazelle. Klamath Nat. For. 1502 Comment
  SBBG40131  Castilleja applegatei subsp. pinetorum C. B. Hardham 1961-6-30 8029 Siskiyou near Mud Spring Comment
  JEPS86683  Castilleja arachnoidea L. R. Heckard with T. I. Chuang 1990-7-15 6766 Siskiyou Panther Meadows Ski Area Mt. Shasta 2400 Comment
  UC1021597  Castilleja lacera W. A. Weber and Lewis S. Rose 1953-5-22 8459 Siskiyou 3 mi n Weed 1127 Comment
  CAS-BOT-BC254007  Castilleja miniata anonymous 1902-9-12 5201 Siskiyou Sisson Comment
  CAS-BOT-BC254015  Castilleja miniata Wm. Bridge Cooke 1938-7-28 11378 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC254102  Castilleja miniata L. E. Detling 1950-6-9 6603 Siskiyou Black Butte Summit (Hwy. 99) 1188 Comment
  JEPS66425  Castilleja miniata L. R. Heckard and P. Rubtzoff 1971-8-1 2687 Siskiyou 4 mi below Mt. Eddys ridge summit (road from Stewarts Spring to The Eddys) 1584 Comment
  UC1238989  Castilleja miniata Freed W. Hoffman 1950-7-14 3627 Siskiyou Baldy Mountain North Coast Ranges (w Siskiyou County) Comment
  CAS-BOT-BC254020  Castilleja miniata Doris K. Kildale 1928-8-20 6637 Siskiyou Head of north fork of Salmon River at Finley's Apple Camp 1524 Comment
  HSC91231  Castilleja miniata subsp. miniata Jennifer Whipple 1976-8-20 1722 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  CAS-BOT-BC241053  Castilleja pilosa David D. Keck 1940-6-13 5171 Siskiyou 1 mi. S.W. of Grass Lake 1525 Comment
  CHSC71328  Castilleja pilosa Vernon H. Oswald; Lowell Ahart 1998-6-11 9206 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  UC144528  Castilleja pilosa A. A. Heller 1905-6-20 8079 Siskiyou Gazelle Comment
  RSA261371  Castilleja pruinosa J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3752 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  JEPS2939  Castilleja schizotricha Geo. D. Butler 1908-8-5 423 Siskiyou w of Cold Spring Camp (trail); Woolly Creek; Cold Spring Camp, Woolly Creek, Siskiyou Co. Comment
  UC164055  Castilleja schizotricha Geo. D. Butler 1908-8-5 423 Siskiyou below Cold Spring (ridge w of Camp); West Fork of Wooley Creek; below Cold Spring on West Fork of Woolly Creek, Siskiyou Co. Comment
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Nov 25 2011
  UCD123031  Castilleja schizotricha J. M. Tucker; L. K. Mann 1963-8-18 3766 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 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
  CAS-BOT-BC126854  Ceanothus cuneatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53421 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  HSC36764  Ceanothus cuneatus J. P. Smith 1974-5-25 7398 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UCR136765  Ceanothus integerrimus E. E. Stanford 1930-6-15 1586 Siskiyou 1 mile north of Dunsmuir 793 Comment
  CAS-BOT-BC50692  Ceanothus integerrimus var. macrothyrsus Alice Eastwood 1912-7-23 1316 Siskiyou Dunsmuir Comment
  HSC101755  Ceanothus integerrimus var. macrothyrsus J. P. Smith, J. O. Sawyer 2011-9-3 13403 Siskiyou Along Klamath National Forest Road 47N01. 738 Comment
  CAS-BOT-BC53099  Ceanothus prostratus Elmer I. Applegate 1935-6-8 9422 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC39328  Ceanothus prostratus J. P. Smith 1974-5-25 7375 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  JEPS19762  Ceanothus prostratus Rimo Bacigalupi with S. Galen Smith 1957-6-26 5958 Siskiyou 3.5 mi below (ne) Gumboot Lake (Canyon of South Fork Sacramento River) 1402 Comment
  UC1299591  Ceanothus prostratus Freed W. Hoffman 1948-7-9 2573 Siskiyou Waldo-Happy Camp Road 6.5 mi n West Branch Public Camp; North Coast Ranges, Waldo-Happy Camp Road Comment
  UCD123997  Ceanothus prostratus D. O. Burge 2009-5-13 1165 c Siskiyou Scott Mountains, The Eddys, Parks Creek watershed, west of Tamarack Flat, and south-east of Caldwell Lakes, roadside on FR 17, parking 11.4 road miles (18.3 km) south-west of Old Hwy 99 via Stewart Springs Road and FR 17, 17.2 km 188 deg. (True) SSW of Gazelle. 1950 Comment
  CAS-BOT-BC53085  Ceanothus prostratus W. R. Dudley 1899-8-14 s.n. Siskiyou Pig Creek Hill, near McCoud Comment
  UC163662  Ceanothus sanguineus Geo. D. Butler 1910-5-23 1389 Siskiyou Humbug Mountain 1219 Comment
  UCR266168  Ceanothus sanguineus David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail 1700 Comment
  JEPS83631  Ceanothus sanguineus R. Raiche, K. Zadnik 1987-9-1 RR 70698 Siskiyou US Forest Svc Rd 47N01 ca 0.5 mi n of bridge over W Fork (Jaynes Cyn below confluence of Jaynes Crk and W Fork of Beaver Crk, nw of Klamath River (town), Jaynes Cyn..); below confl Jaynes Crk and W Fork Beaver Crk, Jaynes Cyn dra 987 Comment
  SEINET12210763  Ceanothus sanguineus R. Gankin, Hildreth, R. 1967-1 1182 Siskiyou 2.6 road mi from Lafayette Point on USFS road 39N04 off Black Bear Road between Sawyers Bar and 1707 Comment
  CAS-BOT-BC63152  Ceanothus velutinus Alice Eastwood 1921-7-31 11020 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC63156  Ceanothus velutinus Miss Kilbourn 1923-7-1 1214 Siskiyou Near Sisson. Comment
  CAS-BOT-BC63200  Ceanothus velutinus Alice Eastwood 1921-7-28 10890 Siskiyou Little Mt. Hoffman. Comment
  HSC59642  Ceanothus velutinus J. P. Smith, Steve Selva 1970-6-16 4047 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  RSA82882  Ceanothus velutinus J. M. Tucker 1950-7-23 1938 Siskiyou Beside road to Panther Meadows, S slope of Mt Shasta. 1524 Comment
  UC1190266  Ceanothus velutinus Ira L. Wiggins 1955-7-24 13488 Siskiyou ridge betw upper reaches of China Creek and Blind Horse Creek; btw upper reaches of China and Blind Horse Creeks 1463 Comment
  UC1409313  Ceanothus velutinus Frederick W. Oettinger 1968-8-10 469 Siskiyou on e side Hancock Lake ((high lake basins in vicinity of English Peak)); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC455426  Ceanothus velutinus I. J. Condit 1911-7-22 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC52801  Ceanothus velutinus var. velutinus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mt. - Hilt Comment
  CAS-BOT-BC52804  Ceanothus velutinus var. velutinus Gilbert Muth 1966-7-30 141 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC52847  Ceanothus velutinus var. velutinus C. B. Wolf 1931-9-8 1269 Siskiyou 1 mile west of Summit of Grade on road from mt. Shasta City to McCloud 1219 Comment
  CAS-BOT-BC281967  Centaurea benedicta Dorothy Parker 1950-6-19 458 Siskiyou Near Scott River, Scott Valley (Horn Ranch) 850 Comment
  CAS-BOT-BC272105  Centaurea cyanus Margaret M. Hanna 1958-6-20 s.n. Siskiyou 1/2 mi. north of Weed Comment
  UCD14430  Centaurea cyanus R. M. Rhode 1984-5-26 s.n. Siskiyou downtown Weed, at the intersection of Highway 97 and Business 5; 1056 Comment
  CDA42292  Centaurea maculosa Steelman 1996-7-1 Siskiyou Mott Road exit from I-5, north of Dunsmuir. 0 Comment
  SEINET10798231  Centaurea solstitialis Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-1 Conrad 6970 Siskiyou East facing slope of road cut at the north edge of Hornbrook. 732 Comment
  OBI4699  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 Siskiyou In adj lawn of ranch house and rangeland, W.H. Kerr, Flying K Ranch, upper Quartz Valley, 2 mi S of Mugginsville Comment
  RSA285948  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka Comment
  UCD130123  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka. Comment
  UC165259  Centromadia fitchii Geo. D. Butler 1910-7-31 1805 Siskiyou near Yreka Comment
  CAS-BOT-BC123551  Centromadia pungens subsp. septentrionalis Harvey Monroe Hall 1930-9-27 12907 Siskiyou Shasta Valley, 1.8 miles S of Montague. Comment
  CHSC2343  Cephalanthera austiniae V. Holt 1935-6-29 Siskiyou Mt. Shasta City. 1097 Comment
  RSA381929  Cephalanthera austiniae Louis C. Wheeler 1934-6-4 2638 Siskiyou Hamburg Gulch off Horse Creek, Siskiyou Mountains 762 Comment
  UC1190153  Cephalanthera austiniae Ira L. Wiggins 1955-7-29 13586 Siskiyou slope just e. Thompson Creek 1432 Comment
  RSA183741  Cerastium arvense Gilbert Muth 1965-8-18 234 Siskiyou Marble Mts.; trail behind Black Mt. Comment
  HSC103178  Cerastium arvense subsp. strictum Dana York 2011-9-8 3088 Siskiyou Klamath National Forest, slopes of Kings Castle 2175 Comment
  CDA3351  Cerastium dichotomum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2584 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  CAS-BOT-BC388165  Cerastium fontanum Henry M. Pollard 1947-8-22 s.n. Siskiyou Fontana's Fishing Lodge north of Somes Bar Comment
  RSA240103  Cerastium fontanum subsp. vulgare Frederick W. Oettinger 1969-8-9 1321 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott s upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  UCD77513  Cerastium fontanum subsp. vulgare Robert E. Preston 2001-6-30 1632 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1694 Comment
  CAS-BOT-BC207627  Cercis occidentalis Doris K. Kildale 1929-4-27 7848 Siskiyou Cecilville, south fork of Salmon River. Comment
  CAS-BOT-BC136982  Cercocarpus C. H. M. 1919-10-12 s.n. Siskiyou Yreka - Ft. Jones grade Comment
  CAS-BOT-BC142158  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1934-7-12 2901 Siskiyou Cottonwood Creek - Klamath Forest 1066 Comment
  RSA611268  Cercocarpus ledifolius Louis C. Wheeler 1935-7-4 3654 Siskiyou Yreka Creek. 884 Comment
  CHSC291  Chaenactis douglasii var. douglasii N. Jaekel 1939-7-29 Siskiyou Mt. Eddy. Comment
  CAS-BOT-BC276472  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou Mount Shasta. Between Squaw Valley Creek and Mud Creek Canyon Comment
  CAS-BOT-BC106034  Chaenactis suffrutescens R. C. Barneby 1954-5-16 11521 Siskiyou Scott R. 10 1/2 miles below Fort Jones 1005 Comment
  JEPS125881  Chaenactis suffrutescens Dean W. Taylor 1996-7-25 15833 Siskiyou Klamath National Forest; Scott Mountains, on watershed divide between Crater Creek drainage and Mountain House Creek drainage, about 15 air miles W of Weed. Comment
  RSA608267  Chaenactis suffrutescens L. C. Wheeler 1935-6-15 3586 Siskiyou Greenview, Scott Valley. 884 Comment
  UC1034641  Chaenactis suffrutescens Milo S. Baker 1955-6-26 13072 Siskiyou 4 mi s of Gazelle (Hwy 99) 914 Comment
  UC1220371  Chaenactis suffrutescens Arthur S. Weston 1963-7-6 1005 Siskiyou 4 mi n of Cecilville (road from Sawyer's Bar to Cecilville) 1219 Comment
  CHSC69086  Chamaebatiaria millefolium Vernon Oswald; Lowell Ahart 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  CAS-BOT-BC85660  Chamaecyparis lawsoniana W. R. Dudley 1901-8-16 s.n. Siskiyou Salmon Mountains Comment
  CHSC64  Chamaecyparis lawsoniana K. Jaekel 1939-7-1 Siskiyou Near Dunsmuir. 609 Comment
  HSC69735  Chamaecyparis lawsoniana Maralyn A. Renner 1980-6-26 1282 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  RSA124136  Chamaecyparis nootkatensis Al Hobart 1958-8-15 s.n. Siskiyou The Devil s Punch Bowl, 3-4 miles east of Del Norte co. line and 10 miles south of the Oregon-CA state line Comment
  SD46659  Chamaesaracha nana E. K. Balls, L. W. Lenz 1956-6-18 21802 Siskiyou 1.5 mi. e. of McCloud, State Hwy. 89, roadside 1006 Comment
  CDA35240  Chamaesyce glyptosperma F. D. Horn 1980-7-18 s.n. Siskiyou Weed; at the end of Big Rock Road, Shastina Properties. 0 Comment
  UCD103638  Chamerion angustifolium Steve. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta. 1767 Comment
  UC637173  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou summit Little Grayback 1868 Comment
  CAS-BOT-BC68248  Cheilanthes gracillima L. B. Kildale 1930-6-1 9854 Siskiyou Summit between Sawyers Bar & Etna Mill Comment
  UC1536790  Chenopodium album Gordon H. True Jr. 1939-7-25 1033 Siskiyou nw Dorris; Meisse Lake Comment
  UC922550  Chenopodium botrys Annie M. Alexander and Louise Kellogg 1948-9-15 5621 Siskiyou Canyon Creek Siskiyou Mountains (branch of Scott River) 762 Comment
  CAS-BOT-BC452275  Chimaphila umbellata Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  JEPS58866  Chimaphila umbellata Willis L. Jepson Jul 24 1894-Aug 10 1894 14654 Siskiyou near Sisson; Region of the Upper Sacramento Comment
  UC876107  Chimaphila umbellata John Thomas Howell 1937-7-26 13559 Siskiyou Caribou Gulch Comment
  POM146273  Chimaphila umbellata subsp. occidentalis J. B. Feudge 1927-7-22 1728 Siskiyou Trail to Mt. Eddy. 1128 Comment
  CAS-BOT-BC36379  Chrysolepis chrysophylla Doris K. Kildale 1928-8-20 6626 Siskiyou at lead of north Fork Salmon River, Finleys upper Camp Comment
  CAS-BOT-BC36242  Chrysolepis sempervirens W. R. Dudley 1899-8-22 s.n. Siskiyou Slopes of Craggy Peak Comment
  CAS-BOT-BC36246  Chrysolepis sempervirens Mrs. H. P. Bracelin 1931-6-19 408 Siskiyou North side of Mt. Eddy, up from Metcalf's ranch house 1341 Comment
  HSC4935  Chrysolepis sempervirens J. O. Sawyer 1968-6-18 230 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  RSA237806  Chrysolepis sempervirens Frederick W. Oettinger 1967-8-26 326 Siskiyou On e.-face of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC1096788  Chrysolepis sempervirens H. K. Wagnon 1957-8-11 1690 Siskiyou 3 mi w Military Pass Rd. (on rd to Brewer Creek, e slope of Mt Shasta); North Coast Ranges, Mt. Shasta Comment
  UC5441  Chrysolepis sempervirens Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  CAS-BOT-BC140656  Chrysothamnus humilis Elmer I. Applegate 1935-8-3 10019 Siskiyou Crater rim of Caldwell Butte, Lava Beds National Monument Comment
  RSA768776  Chrysothamnus nauseosus subsp. consimilis L. Ahart, John Dittes 2010-7-30 16970 Siskiyou Shasta Big Springs Ranch, 2.6 air miles northwest of Big Springs Lake, 3.9 air miles southeast of Grenada, 6.3 air miles northeast of Dwinnel Dam. 779 Comment
  HSC19003  Cinna latifolia J. O. Sawyer 1969-8-4 1806 Siskiyou Above Sugar Lake 2134 Comment
  UC1483509  Cinna latifolia Maralyn A. Renner 1980-8-8 2436 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1645 Comment
  UCD77549  Circaea alpina subsp. pacifica Robert E. Preston 2001-6-23 1544 Siskiyou Klamath National Forest, N slope of Rainbow Mtn. 1706 Comment
  JEPS59122  Cirsium douglasii var. breweri Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Region of the Upper Sacramento, Sissons Comment
  CAS-BOT-BC288773  Cirsium remotifolium John Thomas Howell 1939-8-4 15033 Siskiyou Between Elk Mt and Marble River, Marble Mts Comment
  CAS-BOT-BC288777  Cirsium remotifolium J. R. Grisham 1960-7-14 s.n. Siskiyou US Rangeland, 15 miles N/Cecilville Comment
  UC166658  Cirsium scariosum Geo. D. Butler 1910-6-6 1459 Siskiyou Quartz Valley Comment
  RSA439203  Cirsium scariosum E. Yale Dawson 1948-7-16 5099 b Siskiyou Margins of Grass Lake, north of Mount Shasta 1524 Comment
  CDA1586  Cirsium scariosum var. robustum M. R. Pryor 1948-7-14 3704 Siskiyou Hwy 99, 5 mi. N/Gazelle. 0 Comment
  HSC5382  Cirsium vulgare D. M. Thomson 1965-8-14 196 Siskiyou California Lava Beds National Monument; Tichner Rd., 2 mi. from the SE entrance Comment
  CAS-BOT-BC228981  Cistanthe umbellata Alice Eastwood 1921-7-28 10873 Siskiyou Medicine Lake Comment
  CAS-BOT-BC160928  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1937-6-26 5069 Siskiyou Somes Bar Comment
  HSC27687  Clarkia concinna subsp. concinna Carl W. Mize 1972-6-8 42 Siskiyou Along main trail 335 Comment
  RSA25612  Clarkia gracilis subsp. gracilis Carl B. Wolf 1941-7-26 11077 Siskiyou SW end Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague. 915 Comment
  CAS-BOT-BC163183  Clarkia lassenensis Lewis S. Rose 1945-6-18 45081 Siskiyou Horse Creek & Klamath River 502 Comment
  SEINET7096712  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1963-6-3 s.n. Siskiyou Dry weedy area among larva boulders north of Mayten. NAD27, 41? deg. 40' 41ao, -122?_ 20' 08ao (converted to WGS84 decimal degrees) UTM Zone 10, 555305mE, 4614022mN. Comment
  JEPS43670  Clarkia rhomboidea W. L. Jepson July, 1894 14420 Siskiyou Sisson Comment
  SEINET10674957 Image available Claytonia bulbifera Edward L. Greene 1876-8-22 Greene 1008 Siskiyou On Scott Mountain. Comment
  UC1046531  Claytonia cordifolia R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3443 Siskiyou Takilma-Happy Camp road; exactly at Oregon-California State line 1432 Comment
  HSC61812  Claytonia lanceolata Ruby Van Deventer 8 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  RSA48217  Claytonia rubra subsp. depressa Roxana S. Ferris 1948-6-12 11892 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  CAS-BOT-BC443810  Claytonia rubra subsp. rubra Roxana S. Ferris; Laura Lorraine 1948-6-12 11807 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  CAS-BOT-BC443825  Claytonia rubra subsp. rubra Geo. D. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  HSC44889  Claytonia rubra subsp. rubra Maralyn O'Meara 1974-5-25 405 Siskiyou Along road to Duck Lakes trail 1402 Comment
  CAS-BOT-BC443865  Claytonia sibirica F. J. Kirby 1958-7-1 1199 Siskiyou Swillup Campground, 25 miles s. of Happy Camp 609 Comment
  HSC577  Clintonia uniflora William J. Ferlatte 1966-6-22 85 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  UC1409327  Clintonia uniflora Frederick W. Oettinger 1969-8-7 1277 Siskiyou se end of English Lake, in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English L 1767 Comment
  UC637145  Clintonia uniflora Edward Lee 1934-8-13 1084 Siskiyou watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) Road, Klamath National Forest West Branch Indian Creek; Klamath National Forest, West Branch Indian Creek 1463 Comment
  POM170266  Clintonia uniflora Geo D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  UC142134  Clintonia uniflora Mrs. Legge Aug. 1900 Siskiyou Warm Castle Comment
  UC163700  Collinsia grandiflora Geo. D. Butler 1910-6-6 1464 Siskiyou Quartz Valley Comment
  HSC36426  Collinsia parviflora J. O. Sawyer 1969-7-18 1406 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  OBI9622  Collinsia parviflora J. Applegarth 1970-4-11 s.n. Siskiyou 914 Comment
  UC1213758  Collinsia parviflora Jean Langenheim 1957-5-19 4343 Siskiyou area along roadcut between Gazelle and Callahan Comment
  RSA412242  Collinsia torreyi Louis C. Wheeler 1935-4-17 3423 Siskiyou Greenhorn Creek, Siskiyou Mtns. (Mt. Diablo Mer.) 1006 Comment
  UC885599  Collinsia torreyi var. latifolia John Thomas Howell 1937-7-21 13181 Siskiyou South Fork Salmon River near Big Flat (Trinity Alps); , South Fork Salmon River 1524 Comment
  HSC78395  Collomia grandiflora L. P. Janeway 1983-9-23 690 Siskiyou At Poker Flat 1524 Comment
  UC602584  Collomia grandiflora W. Bridge Cooke 1938-8-19 11522 Siskiyou near spring creek; Mt. Shasta, Bear Springs 1524 Comment
  HSC29284  Collomia grandiflora Frederick W. Oettinger 1969-7-27 1078 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NW of Little English Lake 1890 Comment
  RSA50221  Collomia grandiflora E. K. Balls 1949-7-9 13928 Siskiyou 4.3 miles from Etna on road to Sawyer's Bar Comment
  HSC19057  Collomia heterophylla J. O. Sawyer 1969-7-1 959 Siskiyou Ridge above Paynes Lake Creek 1433 Comment
  JEPS71071  Collomia tinctoria S. Brown July 1900 Siskiyou Sisson Comment
  UCR37575  Collomia tinctoria L. P. Janeway 1983-8-6 510 Siskiyou At Poker Flat, a meadow in a fir forest. Dry E side of meadow, near edge 1524 Comment
  CAS-BOT-BC230678  Collomia tracyi Mrs. Dorothy Parker 1961-6-4 882 Siskiyou Along the Callahan-Cecilville Road 1219 Comment
  CDA26905  Colutea arborescens F. D. Horn 1980-8-22 Siskiyou Off freeway, I-5, Dunsmuir. 0 Comment
  CAS-BOT-BC133723  Corallorhiza Doris K. Kildale 1928-7-4 5462 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  HSC19039  Corallorhiza maculata J. O. Sawyer 1969-6-11 812 Siskiyou Next to C.C.C. road near the N fork of Horse Range Creek. 1326 Comment
  SEINET5765338 Image available Corallorhiza maculata W. Bridge Cooke 1937-1 9225 Siskiyou Mt. Shasta, California 1829 Comment
  UC164418  Corallorhiza maculata Geo. D. Butler 1910-6-5 1479 Siskiyou Shackelford Creek Comment
  RSA381991  Corallorhiza mertensiana M. B. Dunkle 1944-7-4 9066 Siskiyou Beaver Creek, Siskiyou National Forest Comment
  CHSC70054  Cordylanthus tenuis subsp. pallescens T. I. Chuang; L. R. Heckard 1969-8-21 6741 Siskiyou Southwest of Black Butte, northwest of Mt. Shasta city. 1066 Comment
  CHSC105578  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16233 Siskiyou Ney Springs Road east of Lake Siskiyou; population intermittent along road starting 0.6 miles east of road 20M020 and extending at least to 1.2 miles. Lat. and Long. indicated +/- 36 feet. 932 Comment
  UCD123165  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-3 16191 Siskiyou Shasta-Trinity National Forest, along road 40N26 west of Lake Siskiyou. On north side of road. 1198 Comment
  UCD123170  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-8 16255 Siskiyou on road 26 between Lake Siskiyou and Gumboot Lake, at junction, about 3/4 mile uphill of road 40N43. 1509 Comment
  SEINET10702297  Cordylanthus tenuis subsp. viscidus Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 174 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  JEPS7008  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4790 Siskiyou 5.1 mi below (and se of) summit of road between Takilma, Ore. and Happy Camp, CA (drainage of West Branch of Indian Creek); Siskiyou Mountains, Klamath National Forest 914 Comment
  LA209041  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi; 1954-8-12 4790 Siskiyou In serpentine, 5.1 mi below (and SE of) summit of the road between Takilma, Ore. and Happy Camp Calif.- Klamath National Forest, Siskiyou Mountains; drainage of the West Branch of Indian Creek 914 Comment
  CAS-BOT-BC212270  Cornus glabrata Geo. D. Butler 1909-7-7 974 Siskiyou Along creek near Yreka Comment
  CDA38550  Cornus glabrata F. D. Horn & J. Shaw 1973-6-25 s.n. Siskiyou Klamath River. 0 Comment
  CAS-BOT-BC376183  Cornus nuttallii Andrew Townesmith; Karen M. Meyer 2007-8-3 898 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area) 593 Comment
  UCR198253  Cornus nuttallii Dean Kelch 2007-7-25 07- 501 Siskiyou Indian Creek Road, just south of Greyback Summit 1304 Comment
  UC637143  Cornus nuttallii Edward Lee 1934-8-11 1029 Siskiyou e. end Seiad Valley (Walker Creek); e. end Seiad Valley, Walker Creek (tributary of Klamath R.) 609 Comment
  CAS-BOT-BC210402  Cornus sericea Wm. Bridge Cooke 1938-7-1 11121 Siskiyou Mount Shasta. Bear Spring Comment
  UCSB15564  Cornus sericea Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 16.2 miles northwest of Happy Camp; Siskiyou Mountains 1066 Comment
  SEINET8527410  Cornus sericea subsp. occidentalis G. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek. Comment
  UC875913  Cornus sericea subsp. sericea Alice Eastwood 1912-9-3 2082 Siskiyou Sisson Comment
  JEPS83835  Corylus californica Wayne Roderick Aug 1975 Siskiyou vicinity of Cook and Green Pass, near Summit Siskiyou Mountains 1463 Comment
  UC144303  Corylus californica A. A. Heller 1905-6-5 7971 Siskiyou between Shasta Retreat and Shasta Springs Comment
  CAS-BOT-BC180195  Corylus cornuta subsp. californica Wm. Bridge Cooke 1940-7-12 15308 Siskiyou along creeks near the Box Canyon of the Sacramento River near Mount Shasta 914 Comment
  POM106653  Corylus cornuta var. californica Geo. D. Butler 1909-3-21 564 Siskiyou Oro Fino Hills. Comment
  UC1408881  Crepis acuminata F. W. Oettinger 1969-8-6 1263 b Siskiyou nne Toms Lake (near gap between Toms and Hancock Lake basins, in English Peak area); Salmon Mountains 2164 Comment
  UC165398  Crepis acuminata Geo. D. Butler 1910-7-4 1639 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC290505  Crepis bakeri subsp. cusickii L. E. Smith 1915-5-1 s.n. Siskiyou Hilt Comment
  UC163903  Crepis monticola Geo. D. Butler 1909-5-30 750 Siskiyou thickets near Yreka Comment
  RSA75628  Crepis occidentalis subsp. conjuncta Albert M. Vollmer, L. Beane 1951-5-31 28 Siskiyou Scott Mountain Comment
  HSC92423  Crepis occidentalis subsp. pumila Jennifer Whipple 1977-7-20 1991 Siskiyou N slopes of Mount Eddy 2500 Comment
  HSC43862  Crepis pleurocarpa Maralyn O'Meara 1974-5-25 372 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC581211  Crepis pleurocarpa E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1897 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  UC54009  Crocidium multicaule W. T. Mooney 1903-4-1 Siskiyou Yreka Comment
  HSC68062  Croton setiger J. P. Smith, Steve Selva 1970-7-16 4401 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  UC79567  Cryptantha intermedia Katharine Brandegee Jul 1887 Siskiyou Edgewood Comment
  JEPS25598  Cryptantha torreyana Rimo Bacigalupi 1959-7-2 7230 Siskiyou near n base of Caribou Mtn. (headwaters of South Fork of the Salmon River, just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  SBBG25894  Cryptantha torreyana D. Myrick 1966-8-9 1508 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UCSB51229  Cryptogramma acrostichoides Almanza, Ed 1976-7-13 Siskiyou The "Gate" Pass, Mt. Shasta 2438 Comment
  SEINET9628241 Image available Cryptogramma cascadensis W. B. Cooke 1941-1 16304 Siskiyou Scattered through the lava slopes above Horse Camp, Mt. Shasta. 2515 Comment
  RSA1659  Cupressus bakeri C. B. Wolf 1930-10-19 1006 Siskiyou Modoc Lava Beds, 1 mile E of Timbered Butte on Old Stage Road from CW Hill Farm to Dana to Little Hot Springs Valley Comment
  RSA40888  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1mile E of Timbered Crater, Modoc Lava Beds on Old Stage Road form Dana to Little Hot Springs Valley 1220 Comment
  RSA22768  Cupressus bakeri O. V. Matthews 1939-7-11 32 Siskiyou Near junction of W and E Fork of Seiad Creek, on ridge above company s chromium mine 854 Comment
  SEINET10754947  Cupressus lawsoniana Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 864 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary. T39N R5W S10. 1277 Comment
  POM211465  Cuscuta approximata L. C. Wheeler 1934-9-22 3294 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  UC618627  Cycladenia humilis var. humilis W. Bridge Cooke 1938-9-17 11704 Siskiyou ridge along canyon below/directly w. of Horse Camp (Mt. Shasta); Mt. Shasta Comment
  CHSC71273  Cymopterus terebinthinus var. californicus Vernon H. Oswald; Lowell Ahart 1998-6-11 9173 .1 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  JEPS39359  Cynoglossum grande Geo. D. Butler 1909-4-15 594 Siskiyou Humbug Comment
  HSC103019  Cynosurus echinatus J. P. Smith 2014-6-6 13876 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  CAS-BOT-BC114693  Cyperus bipartitus Carl B. Wolf 1927-8-26 1085 Siskiyou On Klamath River, 14 mi above Happy Camp Comment
  RSA577571  Cyperus squarrosus L. C. Wheeler 1935-7-20 3672 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  RSA264952  Cypripedium californicum G. L. Clifton 1975-7-28 9828 Siskiyou Near Siskiyou Mountains, near Seiad Valley; (Seiad Valley quad) 1634 Comment
  UC1037347  Cystopteris fragilis Leo Whitney 1935-7-15 3569 Siskiyou 2 mi se Medicine Lake (stream near Bullseye Lake) 1981 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
  HSC19005  Cystopteris fragilis J. O. Sawyer 1969-7-1 975 Siskiyou SE slope above Paynes Lake Creek 1921 Comment
  HSC29364  Cystopteris fragilis Frederick W. Oettinger 1969-7-9 944 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  HSC82384  Danthonia californica Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4538 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS76057  Danthonia californica W. L. Jepson 1937-7-23 18459 Siskiyou Hayden Mt. Yreka Comment
  UCD60516  Danthonia californica R. Tofsrud 1948-8-3 s.n. Siskiyou Poker Flat, near Del Norte Co. border. Comment
  POM205938  Danthonia californica var. americana Copeland 1903-9-6 3789 Siskiyou Mt. Eddy Comment
  RSA120219  Danthonia californica var. americana S. S. Tillett 1956-7-11 683 Siskiyou Meadows on both sides of Scott Mtn. divide near campground. Siskiyou-Trinity county line, ca. 8 miles SE of Callahan 1616 Comment
  HSC76916  Danthonia unispicata K. T. Stillman 1976-6-26 128 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
Read comments
Mar 22 2012
  CAS-BOT-BC76246  Darlingtonia californica Mrs. John Massin 1894-8-6 s.n. Siskiyou Upper Soda Springs. Comment
  HSC38594  Darlingtonia californica J. P. Smith, J. O. Sawyer 1972-9-12 5768 Siskiyou Scott Mtn., E of Big Carmen Lake. 1677 Comment
  JEPS49587  Darmera peltata Geo. D. Butler 1908-8-21 220 Siskiyou Etna Creek; Salmon road crossing 1219 Comment
  RSA30642  Darmera peltata Lincoln Constance, R. C. Rollins 1942-5-13 s.n. Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  UC60964  Darmera peltata Geo. B. Grant Sep 1902 5185 Siskiyou Dunsmuir; Mount Shasta 609 Comment
  HSC30498  Darmera peltata Frederick W. Oettinger 1969-8-29 1561 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  POM71157  Datura stramonium Geo. D. Butler 1910-7-1 1620 Siskiyou Yreka. Comment
  HSC30793  Delphinium depauperatum Melinda F. Denton 1973-6-30 2934 Siskiyou Klamath National Forest, Young's Valley, 5 mi. S of Sanger Lake at base of El Capitan 1409 Comment
  RSA30376  Delphinium depauperatum Lincoln Constance, R. C. Rollins 1942-5-14 2926 Siskiyou Road to Walker Post Office, 4 miles W of Yreka. 1220 Comment
  CAS-BOT-BC8757  Delphinium glaucum John Thomas Howell 1939-8-5 15075 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC8751  Delphinium glaucum Gilbert J. Muth 1965-8-2 s.n. Siskiyou Marble Valley Comment
  HSC63252  Delphinium glaucum M. A. Baker 1979-7-28 1065 Siskiyou Wooley Creek Comment
  UCD95719  Delphinium glaucum Dorothy Parker 1958-8-12 707 Siskiyou South Fork of Scott River. Along a small stream, tributary of Scott River. 1524 Comment
  CAS-BOT-BC9883  Delphinium nudicaule George Dexter Butler 1910-5-7 1299 Siskiyou Near Yreka Comment
  RSA59503  Delphinium nudicaule E. K. Balls 1950-5-16 14711 Siskiyou E slope, Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC116176  Delphinium nuttallianum H. A. Thomas; J. H. Thomas 1954-7-25 4522 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek meadow, About 9 miles E of Cecilville. 1981 Comment
  JEPS74467  Delphinium nuttallianum W. J. Ferlatte 1966-6-22 88 Siskiyou open meadow along river between the campground and Carter's; Trinity Alps, South Fork of Salmon River 1524 Comment
  HSC39751  Delphinium nuttallianum J. O. Sawyer 1970-4-4 2081 Siskiyou Along Sugar Creek 823 Comment
  CHSC60568  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-26 596 Siskiyou Siskiyou Mountains; at Poker Flat, lower portion of a meadow. 1524 Comment
  HSC100336  Deschampsia danthonioides J. P. Smith 2011-7-15 13305 Siskiyou Along the road to Bray, .8 mi. from its junction with Tennant Road. 1419 Comment
  CAS-BOT-BC201938  Deschampsia elongata H. A. Thomas; J. H. Thomas 1954-7-24 4513 A Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  RSA238399  Deschampsia elongata Frederick W. Oettinger 1969-8-22 1502 Siskiyou South side of Horse's Hole near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA238405  Deschampsia elongata Frederick W. Oettinger 1969-8-16 136 Siskiyou Southwest of Wiregrass Meadow, Upper English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  UCD63489  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3435 Siskiyou 4 miles W of Hamburg, mouth of Kuntz Creek. Comment
  CHSC33173  Descurainia pinnata subsp. halictorum R. E. Preston 1981-5-2 57 Siskiyou S side of Irongate Reservoir, ca. 32 km ne of Yreka. 732 Comment
  RSA299461  Dicentra formosa subsp. formosa J. P. Smith 1973-5-5 6480 Siskiyou Along Cook and Green Pass road. Comment
  JEPS82680  Dicentra pauciflora Wayne Roderick 1984-6-7 Siskiyou Cabin Meadow s.w. Stewart Springs (camp site) 1798 Comment
  RSA78836  Dicentra pauciflora P. A. Munz 1952-7-2 17914 Siskiyou Road to Baldy Mt, 6 air line miles W of Happy Camp, Siskiyou Mts. 1555 Comment
  RSA755953  Dichelostemma ida-maia Robert F. Thorne 1969-8-2 63350 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  UC3291  Dichelostemma ida-maia C. B. Bradley 1879-1 Siskiyou Comment
  JEPS40718  Dieteria canescens var. incana Geo. D. Butler 1911-9-11 1869 Siskiyou Comment
  UC1188084  Dieteria canescens var. shastensis Philip A. Munz 1960-8-22 24183 Siskiyou Panther Meadows Mt. Shasta, Panther Meadows 2529 Comment
  UC75817  Dieteria canescens var. shastensis Milo S. Baker 1898-8-1 474 Siskiyou Medicine Lake Comment
  UC86848  Dieteria canescens var. shastensis J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Mt. Comment
  UCSB63902  Dieteria canescens var. shastensis Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56)3.7 mi. east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave; T42N R4E NE1/4 NE1/4 Sect.6 1755 Comment
  CAS-BOT-BC153730  Diplacus nanus John Thomas Howell 1939-8-3 14997 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC30092  Disporum hookeri M. S. Taylor; J. Prouty 1980-6-26 2985 Siskiyou On e side of Grizzley Peak Rd (39N06.3), ca. 6 mi due s of Algoma campground and Hwy 89. 1554 Comment
  UC1222250  Disporum hookeri Joseph P. Tracy 1951-6-16 19493 Siskiyou summit of The Siskiyous, at crossing of Takilma-Happy Camp Road, near State Line Takilma-Happy Camp Road; The Siskiyous, Takilma-Happy Camp Road Comment
  RSA461942  Dodecatheon A. C. Life 1924-3-22 14602 Siskiyou Camp Meeker-foot of Mt. Shasta. Comment
  RSA256602  Dodecatheon hansenii J. P. Smith 1974-5-25 7463 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  HSC69354  Dodecatheon jeffreyi Maralyn A. Renner 1980-8-21 2582 Siskiyou Kidd Creek 2043 Comment
  RSA238713  Dodecatheon jeffreyi Frederick W. Oettinger 1968-8-3 380 Siskiyou Base Camp Meadow at mid-trail between Diamond and Hancock Lakes. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC1190250  Dodecatheon jeffreyi Ira L. Wiggins 1955-7-27 13545 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  JEPS94785  Downingia pulcherrima Vernon H. Oswald and Lowell Ahart 1998-7-21 9356 Siskiyou e of Grass Lake (ne of Weed and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  POM208274  Downingia yina L. C. Wheeler 1934-7-3 2870 Siskiyou Soda Creek, Sterling Mt.; Siskiyou Mts.; Mt. Diablo Meridian. 1677 Comment
  CAS-BOT-BC41755  Draba howellii John Thomas Howell 1937-7-24 13417 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  HSC61207  Draba howellii Al Hobart Siskiyou El Capitan 1829 Comment
  JEPS20039  Draba nemorosa George D. Butler 1909-4-4 575 Siskiyou Butcher Hill near Yreka; Butcher Hill near Yreka Comment
  UC165378  Draba pterosperma Geo. D. Butler 1910-7-10 1716 Siskiyou Marble Mountain 1524 Comment
  UCR37813  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mtn Wilderness Area, ridge top just north of Black Mt. 2104 Comment
  JEPS20038  Draba verna George D. Butler 1909-4-6 549 Siskiyou below Yreka (Butler's Ranch); below Yreka, Butler's Ranch Comment
  POM93918  Draba verna Geo. D. Butler 1910-3-23 1143 Siskiyou Shasta [River?] Comment
  UC1040750  Draperia systyla B. Crampton 1956-8-21 3839 Siskiyou Lower slope of White Ridge, canyon of the South Fork of the Sacramento River 1371 Comment
  CAS-BOT-BC401590  Drosera rotundifolia Wm. Bridge Cooke 1939-7-21 13725 Siskiyou Mount Shasta. In the Wagon Camp bog Comment
  HSC68397  Drymocallis glandulosa Maralyn A. Renner 1980-6-26 1253 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC159294  Drymocallis lactea var. lactea Alice Eastwood 1921-7-28 10901 a Siskiyou Medicine Lake Comment
  HSC69709  Drymocallis lactea var. lactea Maralyn A. Renner 1980-7-15 1776 Siskiyou English Lake inlet 1780 Comment
  UC637037  Echinochloa crus-galli Edward Lee 1934-8-10 1018 Siskiyou Klamath River, south bank between McKinney and Parkerhouse Creeks; Klamath River, South bank 609 Comment
  UCD131239  Echinops sphaerocephalus Ken Baghott 1952-7-9 s.n. Siskiyou Tulelake area. Comment
  CAS-BOT-BC113419  Eleocharis bella Alice Eastwood 1921-7-25 10849 Siskiyou Bigelows, McCloud River. Comment
  CAS-BOT-BC112696  Eleocharis parishii M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South Fork of Salmon River. 1676 Comment
  CAS-BOT-BC112699  Eleocharis parishii Arthur L. Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  CAS-BOT-BC451554  Elodea canadensis Edward Lee 1934-8-12 1239 Siskiyou South side of the Klamath River near the mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  CAS-BOT-BC213784  Elymus X hansenii Doris K. Kildale 1928-8-20 6594 Siskiyou Lily Pad Lake on trail to Marble Mt. near Hancock Lookout 1981 Comment
  SEINET10558303  Elymus condensatus A. Arthur Heller 1905-6-19 Heller 8069 Siskiyou Grenada Station. Comment
  CAS-BOT-BC227923  Elymus elymoides L. E. Smith 1913-6-25 393 Siskiyou Montague Comment
  CAS-BOT-BC227927  Elymus elymoides Alice Eastwood 1921-7-28 10934 Siskiyou Medicine Lake Comment
  UCD61427  Elymus elymoides S. S. Tillett 1956-7-11 699 Siskiyou Just N. of campground, Scott Mtn. divide 8 mi. se. of Callahan. 1630 Comment
  HSC38844  Elymus multisetus J. P. Smith, Steve Selva 1970-6-15 3932 Siskiyou Between Forks of Salmon and Cecilville. Comment
  POM112863  Elymus multisetus Geo D. Butler 1909-6-4 812 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC204263  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-20 6367 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  POM248135  Epilobium anagallidifolium W. Bridge Cooke 1939-7-26 13747 Siskiyou Mount Shasta: Spring on the west side of the wide draw above Panther Creek Meadows 2744 Comment
  CHSC86458  Epilobium brachycarpum Jenny Marr 1993-7-1 75 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  HSC215  Epilobium brachycarpum William J. Ferlatte 1966-8-2 239 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  POM230319  Epilobium brachycarpum J. T. Howell 1937-7-29 13648 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  POM46472  Epilobium brachycarpum Geo. D. Butler 1910-7-3 1629 Siskiyou Goosenest Foothills 1220 Comment
  HSC69568  Epilobium ciliatum subsp. ciliatum Maralyn A. Renner 1980-8-6 2269 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC204381  Epilobium ciliatum subsp. ciliatum A. A. Heller 1914-8-25 11705 Siskiyou near Deetz Station (opposite Black Butte) 1158 Comment
  UC873277  Epilobium ciliatum subsp. ciliatum A. A. Heller 1915-8-24 12213 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  UC873338  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1942-9-5 16276 Siskiyou near MacBride Springs; Mt. Shasta Comment
  POM171578  Epilobium ciliatum subsp. glandulosum Doris K. Kildale 1929-8-24 9047 Siskiyou Rattlesnake Meadow, Preston Peak 1677 Comment
  UC618829  Epilobium clavatum W. Bridge Cooke 1938-8-18 11479 Siskiyou along Summit Trail above Horse Camp; Mount Shasta, Horse Camp Springs 2514 Comment
  SEINET9073962 Image available Epilobium glaberrimum subsp. glaberrimum Frederick W. Oettinger 1969-1 1150 Siskiyou Halway Spring, English to Diamond Lake. Trail 1829 Comment
  JEPS109653  Epilobium hallianum Dean W. Taylor 2002-6-29 18202 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  POM259014  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-8-8 15439 Siskiyou Mount Shasta: Along Squaw Valley Creek 2439 Comment
  UC1045238  Epilobium lactiflorum W. Bridge Cooke 1940-7-5 15291 Siskiyou along upper Wagon Camp Creek Mount Shasta Comment
  CHSC118636  Epilobium minutum Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -017 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539249m E, 4586866m N. 1478 Comment
  HSC29167  Epilobium minutum Frederick W. Oettinger 1969-7-11 981 Siskiyou Marble Mtn. Wilderness Area, Little Medicine Mtn., N of Hancock Lake 2043 Comment
  SBBG21871  Epilobium oregonense D. Myrick 1964-7-25 967 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  CAS-BOT-BC171861  Epilobium septentrionale Alice Eastwood 1912-8-30 1997 Siskiyou Mount Eddy Comment
  CAS-BOT-BC171862  Epilobium septentrionale John Thomas Howell 1937-7-29 13639 A Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  UC873454  Epilobium siskiyouense Alice Eastwood 1912-8-30 1997 Siskiyou Mount Eddy Comment
  UC42745  Equisetum hyemale subsp. affine M. A. Howe 1894-8-8 196 Siskiyou woods near Shasta Springs Comment
  CAS-BOT-BC57806  Equisetum laevigatum J. H. Thomas 1949-6-16 941 Siskiyou 10 mi. n. of Gazelle. Comment
  HSC60047  Equisetum laevigatum M. A. Baker 1978-5-20 576 Siskiyou 3 km N of Somes Bar Comment
  UC375492  Eremocarpus setiger Geo. D. Butler 1908-7-16 1031 Siskiyou Klamath River Comment
  CAS-BOT-BC174225  Eremogone congesta var. congesta Geo. D. Butler 1909-6-22 965 Siskiyou Goosenest Mountain 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
  OBI5766  Ericameria bloomeri Carl B. Wolf 1931-9-2 5766 Siskiyou On road to McCloud, 1/2 mi above jctn with Pacific hwy 1097 Comment
  SD90261  Ericameria bloomeri Robert F. Thorne, Fred Oettinger 1969-8-10 38988 Siskiyou Mount Shasta National Forest, south slope of Mount Shasta above ski-lodge 2375 Comment
  CAS-BOT-BC287490  Ericameria greenei A. A. Heller 1914-8-28 11727 Siskiyou E side, Mt Eddy 1889 Comment
  HSC36474  Ericameria greenei J. O. Sawyer 1969-7-2 1026 Siskiyou SW-facing upper slope above Music Creek 2378 Comment
  HSC68174  Ericameria greenei J. P. Smith, J. O. Sawyer 1972-9-12 5777 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  RSA237445  Ericameria greenei Frederick W. Oettinger 1968-8-22 590 Siskiyou English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC179690  Ericameria greenei A. A. Heller 1914-8-28 11727 Siskiyou Mt. Eddy 1889 Comment
  CAS-BOT-BC287501  Ericameria greenei W. R. Dudley 1899-8-26 s.n. Siskiyou Toward top of Sacramento and Trinity Divide Comment
  UC1539983  Ericameria nauseosa M. Mitchell 1936-5-19 37 Siskiyou 1 1/4 mi w of Caldwell Butte; Lava Beds National Park 1417 Comment
  CAS-BOT-BC298246  Ericameria nauseosa var. oreophila Geo. D. Butler 1910-8-15 1839 Siskiyou Shasta Valley Comment
  UC201306  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou 2 mi s of Grenada; Shasta Valley 914 Comment
  CAS-BOT-BC298249  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles S of Grenada 914 Comment
  UC134757  Ericameria nauseosa var. speciosa E. B. Copeland 1903-10-10 3785 Siskiyou Pacific Coast, Mt. Eddy 2225 Comment
  CAS-BOT-BC294401  Ericameria parryi var. latior Alice Eastwood 1922-10-18 11524 Siskiyou Shasta Springs, on road to Bartle Comment
  UCR92627  Erigeron Kathy Harper, D. Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  CAS-BOT-BC293377  Erigeron acris var. kamtschaticus Wm. Bridge Cooke 1939-8-24 13911 Siskiyou Mount Shasta. On the east red ridge west of and above Panther Creek Meadows Comment
  HSC62630  Erigeron aliceae Ruby Van Deventer 1960-7-7 Siskiyou Youngs Valley Comment
  RSA184709  Erigeron aliceae Gilbert Muth 1966-7-24 446 Siskiyou Marble Valley Meadow, Marble Mts. 1793 Comment
  CDA4409  Erigeron annuus F. D. Horn 1980-7-2 Siskiyou Indian Creek Road, just above Catholic Church, Happy Camp. 0 Comment
  CDA4407  Erigeron austiniae Vernon H. Oswald & Lowell Ahart 1998-6-11 9214 Siskiyou Klamath National Forest boundary on Old State Highway, 1.5 miles south of the railroad crossing south of Mount Hebron. Comment
  UCD131737  Erigeron breweri Dean William Taylor 1972-7-3 1599 Siskiyou At Cook and Green Pass. 1371 Comment
  RSA238727  Erigeron cervinus Frederick W. Oettinger 1969-7-28 1080 Siskiyou WNW of and above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC300379  Erigeron eatonii var. plantagineus Alice Eastwood 1921-7-28 10902 Siskiyou Medicine Lake Comment
  JEPS22365  Erigeron filifolius W. L. Jepson 1940-6-23 20008 Siskiyou n Mt. Shasta; Andesite station 975 Comment
  UC1483472  Erigeron foliosus var. confinis Maralyn A. Renner 1980-8-7 2426 Siskiyou ridge s Preston Peak; Preston Peak Quad. 1950 Comment
  HSC19467  Erigeron glacialis var. glacialis J. O. Sawyer 1969-7-24 1488 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  UC1409459  Erigeron glacialis var. glacialis Frederick W. Oettinger and R. F. Thorne 1969-8-4 1174 Siskiyou High Lake Basins in the vicinity of English Peak, meadow n of Tobacco lake; Salmon Mountains, Western Siskiyou County, Marble Mountain W 1889 Comment
  LA203587  Erigeron inornatus Edward Lee; 1934-8-14 1113 Siskiyou near summit of Little Grayback, Siskiyou-Del Norte County line 1828 Comment
  CHSC105875  Erigeron inornatus var. inornatus J. K. Nelson; Eric White, Rhonda Posey, M. E. Colberg, S. Flamm 2010-8-9 2010 -028 Siskiyou East slope of Mount Eddy, headwaters of Wagon Creek. 2011 Comment
  RSA507456  Erigeron inornatus var. inornatus S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  JEPS84203  Erigeron klamathensis L. R. Heckard with J. Hickman et al. 1986-7-18 6530 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  SDSU3932  Erigeron lassenianus var. deficiens D. F. Howe 1965-8-8 4122 Siskiyou South side of Little Grayback, Klamath National Forest. 1463 Comment
  CHSC67468  Erigeron petrophilus var. viscidulus James D. Jokerst 1992-7-30 3432 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  JEPS105684  Erigeron petrophilus var. viscidulus L. P. Janeway 2003-8-9 7963 Siskiyou Klamath Ranges; Siskiyou Mountains betweeen Cook and Green Pass and Red Butte; slope overlooking uppermost fork of Seiad Creek; along 4-wheel-drive road 1698 Comment
  JEPS118703  Erigeron petrophilus var. viscidulus Julie Kierstead Nelson, Eric White, Rhonda Posey, Mary Ellen Colberg, Sasha Flamm 2010-8-9 2010 -028 Siskiyou East slope of Mount Eddy, headwaters of Wagon Creek. Mount Eddy 7.5' quad. Comment
  POM357413  Erigeron petrophilus var. viscidulus M. B. Dunkle 1945-1 9309 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA259554  Erigeron petrophilus var. viscidulus J. P. Smith, J. O. Sawyer 1973-8-14 7305 Siskiyou On trail from Campbell Lake to Cliff Lake. 1828 Comment
  RSA31950  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt Eddy Comment
  JEPS107653  Erigeron philadelphicus var. philadelphicus Lowell Ahart, John Dittes 2005-6-10 12082 Siskiyou South edge of a water ditch, pipe discharge, pasture, about 90 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
  UC163905  Erigeron pumilus var. intermedius Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley Comment
  POM252996  Erigeron pumilus var. intermedius A. A. Heller 1938-7-12 15261 a Siskiyou Near the eastern base of Deer Mountain 1372 Comment
  UC1212588  Erigeron strigosus var. septentrionalis Francia Chisaki and Helen Sharsmith 1960-8-20 4739 Siskiyou on Wildcat Creek road ca 4 mi w Callahan; Inner North Coast Ranges 1066 Comment
  HSC92780  Erigeron tener Jennifer Whipple 1976-7-25 1578 Siskiyou N face of Mt. Eddy 2500 Comment
  CAS-BOT-BC224141  Eriodictyon californicum Alice Eastwood 1912-7-20 1248 Siskiyou Hornbrook Comment
  POM65393  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou Near Yreka. Comment
  UCD119247  Eriodictyon californicum K. L. Chambers 1967-6-22 2865 Siskiyou Rocky knoll about 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass. 1097 Comment
  CAS-BOT-BC248842  Eriogonum compositum var. compositum Geo. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  HSC19476  Eriogonum compositum var. compositum J. O. Sawyer 1969-7-8 1094 Siskiyou SW slope above Music Creek 2360 Comment
  HSC43399  Eriogonum compositum var. compositum K. T. Stillman 1976-8-7 201 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC635009  Eriogonum compositum var. compositum H. L. Mason 1929-5-18 5327 Siskiyou hills along Shasta Creek Canyon Shasta Creek Canyon Comment
  CAS-BOT-BC248811  Eriogonum compositum var. compositum William A. Dayton 1913-6-16 278 Siskiyou Shasta National Forest. E. slope, Scott Mt., near Callahan - Gazelle stage road 1524 Comment
  HSC30509  Eriogonum compositum var. compositum Frederick W. Oettinger 1969-8-6 1254 Siskiyou Marble Mtns. Wilderness Area, New York Flumes between Pine Lake and Tom's Lake 1860 Comment
  RSA237759  Eriogonum compositum var. compositum Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1255 Siskiyou New York Flumes between Pine Lake and Tom's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC242528  Eriogonum congdonii R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 173 Siskiyou Near Red Rock Mtn., Trinity Alps 2186 Comment
  HSC40750  Eriogonum congdonii R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 173 Siskiyou Near Red Rock Mtn. 2188 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
  SEINET4855037  Eriogonum diclinum Louis C. Wheeler 1934-9-1 75542 Siskiyou Klamath Forest, Jaynes Canyon. 1951 Comment
  UC375309  Eriogonum elatum Geo. D. Butler 1908-8-6 202 Siskiyou Independence Creek Comment
  UC77428  Eriogonum elatum Dr. E. B. Copeland 1903-7-3 3525 Siskiyou Klamathon Comment
  UC77583  Eriogonum hirtiflorum T. S. Brandegee July 1887 Siskiyou Edgewood Comment
  RSA237798  Eriogonum lobbii var. lobbii Frederick W. Oettinger 1968-8-5 407 Siskiyou 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
  CAS-BOT-BC263658  Eriogonum luteolum var. luteolum A. A. Heller 1917-9-7 12975 Siskiyou Klamath River above the mouth of the Shasta River Comment
  CAS-BOT-BC263660  Eriogonum luteolum var. luteolum Geo. D. Butler 1908-8-30 199 Siskiyou Light Hill Road near Fort Jones Comment
  LA206908  Eriogonum luteolum var. luteolum Louis C. Wheeler; 1934-6-28 2811 Siskiyou Siskiyou Mountains, Beaver Creek at West Fork 701 Comment
  CAS-BOT-BC263178  Eriogonum marifolium var. cupulatum Wm. Bridge Cooke 1939-6-23 13529 Siskiyou Mount Shasta. Along the Wagon Camp road in the vicinity of Wagon Camp Comment
  CAS-BOT-BC272471  Eriogonum nudum var. pubiflorum Annetta Carter 1934-8-10 692 Siskiyou South bank of the Klamath River between McKinney and Parkhouse creeks (near Hamburg) 609 Comment
  CAS-BOT-BC272499  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-6-11 9501 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  HSC42990  Eriogonum nudum var. pubiflorum J. P. Smith, Steve Selva 1970-8-8 4569 Siskiyou Lava Beds National Monument Comment
  SBBG1575  Eriogonum nudum var. pubiflorum H. and M. Dearing 1939-6-3 3538 Siskiyou near Scott Bar 609 Comment
  UCD100723  Eriogonum nudum var. pubiflorum J. M. Tucker 1950-7-25 1953 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiment Station, east side of Mt. Shasta. Comment
  UC572791  Eriogonum pyrolifolium W. Bridge Cooke 1937-7-28 9159 Siskiyou Mt. Shasta 2590 Comment
  CAS-BOT-BC252953  Eriogonum pyrolifolium var. pyrolifolium Robert T. Clausen; Harold Trapido 1940-7-27 4968 Siskiyou West side of west fork of Mountainhouse Creek, 3 miles north-northeast of summit of Mt. Shasta, Sacramento River Basin, So. Cascade Mts. 2438 Comment
  CAS-BOT-BC252957  Eriogonum pyrolifolium var. pyrolifolium C. G. Pringle 1882-8-30 s.n. Siskiyou Mount Shasta 2743 Comment
  RSA202123  Eriogonum pyrolifolium var. pyrolifolium C. F. Lagace 1966-8-24 s.n. Siskiyou Mount Shasta Ski Lodge. 2409 Comment
  POM256463  Eriogonum roseum Edward Lee 1934-8-11 1040 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 442 Comment
  JEPS108713  Eriogonum siskiyouense Thomas W. Nelson and Jane P. Nelson 2006-8-4 9467 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
  JEPS82246  Eriogonum siskiyouense Roger Raiche 1983-8-14 30614 Siskiyou fell-field slope near summit of road to Mt. Eddy (<road> A.K.A. road to Dead Fall Meadow, Park Creek Rd. or Forest Rd. 42N17) 2133 Comment
  CAS-BOT-BC263388  Eriogonum strictum var. proliferum Peter H. Raven 1956-9-4 10403 Siskiyou South side Mt. Eddy 2560 Comment
  UC164465  Eriogonum strictum var. proliferum Geo. D. Butler 1908-8-6 211 Siskiyou Independence Creek Comment
  CHSC99718  Eriogonum ternatum L. P. Janeway 2008-7-24 9483 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  HSC61211  Eriogonum ternatum Al Hobart 1968-6-20 Siskiyou El Capitan 1829 Comment
  SBBG30588  Eriogonum umbellatum D. Myrick 1968-6-22 1990 Siskiyou Lava Beds Nat Monument 1371 Comment
  POM211786  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  CAS-BOT-BC268154  Eriogonum umbellatum var. humistratum Peter H. Raven 1956-9-4 10418 Siskiyou On the summit of Mt. Eddy 2758 Comment
  JEPS56219  Eriogonum umbellatum var. nelsoniorum W. L. Jepson 1937-7-30 18542 Siskiyou headwaters of Indian Creek Siskiyou Mts., Poker Flat, Indian Creek 1584 Comment
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Sep 9 2008
  CAS-BOT-BC265197  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou Between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area 2103 Comment
  UC1540140  Eriogonum umbellatum var. nevadense Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9265 Siskiyou on northern interior rim of crater Lava Beds National Monument, Caldwell Butte 1499 Comment
  POM253224  Eriogonum umbellatum var. polyanthum A. A. Heller 1938-7-13 1527 Siskiyou Border of meadows just south of Bray. 1402 Comment
  SBBG15960  Eriogonum umbellatum var. polyanthum D. Myrick 1961-6-22 316 Siskiyou Hwy 89 near McCloud 914 Comment
  JEPS24804  Eriogonum vimineum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6813 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  UC454344  Eriogonum vimineum I. J. Condit 1911-7-13 Siskiyou bank of Sacramento River, Dunsmuir Sacramento River, Dunsmuir Comment
  UC912832  Eriogonum vimineum Lewis S. Rose 1941-8-28 41429 Siskiyou Macdoel 1219 Comment
  CAS-BOT-BC262369  Eriogonum vimineum L. E. Smith 1913-7-7 s.n. Siskiyou Yreka Comment
  UC1265448  Eriophorum crinigerum Frederick W. Oettinger 1968-8-2 350 Siskiyou near Diamond Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 2072 Comment
  UC1265449  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 767 Siskiyou just n. Tobacco Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1889 Comment
  CAS-BOT-BC301098  Eriophyllum lanatum var. achilleoides J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC301101  Eriophyllum lanatum var. achilleoides R. C. Barneby 1954-5-16 11506 Siskiyou Along Klamath R., 5 1/2 mi. upstream from Klamath River P. O. 548 Comment
  POM55441  Eriophyllum lanatum var. achilleoides Copeland 1903-7-6 3549 Siskiyou Hornbrook Comment
  CAS-BOT-BC301450  Eriophyllum lanatum var. grandiflorum Lewis S. Rose 1937-7-3 37392 Siskiyou Black Butte, N. of Mt. Shasta City 1005 Comment
  JEPS34485  Eriophyllum lanatum var. grandiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 14571 Siskiyou Shasta Springs Upper Sacramento region, Shasta Springs Comment
  CAS-BOT-BC308283  Eriophyllum lanatum var. integrifolium G. J. Muth 1969-8-6 1189 Siskiyou Boulder Peak 2529 Comment
  HSC5609  Eriophyllum lanatum var. integrifolium R. C. Wunner 1965-6-6 89 Siskiyou California Lava Beds National Monument; near Caldwell Ice Cave 1402 Comment
  HSC19424  Eriophyllum lanatum var. lanceolatum J. O. Sawyer 1968-7-23 610 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA78806  Eriophyllum lanatum var. lanceolatum P. A. Munz 1952-7-3 17920 Siskiyou Ft. Goff Public Camp, Klamath River 366 Comment
  UC1025071  Erysimum capitatum Leo Whitney 1934-6-15 1504 Siskiyou Mt. Shasta 2133 Comment
  UC166606  Erysimum capitatum Geo. D. Butler 1909-5-8 724 Siskiyou dry hill near Yreka Comment
  CDA33622  Erysimum capitatum R. A. Price 2010-7-3 1655 Siskiyou Along Forest Service Road 17 (Stewart Springs Road); 5 miles east of crest. 0 Comment
  HSC19559  Erysimum perenne J. O. Sawyer 1969-7-9 1260 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC30463  Erysimum perenne Frederick W. Oettinger 1967-8-12 250 Siskiyou Marble Mtn. Wilderness Area, near Tom Taylor Cabin 2104 Comment
  HSC69017  Erysimum perenne Maralyn A. Renner 1980-7-24 2020 Siskiyou Lily Pad Lake 1768 Comment
  CHSC2261  Erythronium grandiflorum var. pallidum V. Holt 1943-8-7 Siskiyou Marble mountains. 1828 Comment
  CAS-BOT-BC133303  Erythronium klamathense W. R. Dudley 1893-6-19 s.n. Siskiyou Castle Lake, near Mt. Shasta Comment
  CHSC86257  Erythronium klamathense Martin J. Lenz 2003-5-1 2 Siskiyou North Fork Bear Creek, 3.1 mi NW of Pondosa. UTM: Zone 10. 606070E 4564100N. 1276 Comment
  JEPS50874  Erythronium klamathense Wayne Roderick 1963-6-10 Siskiyou along trail from Castle Lake to Little Castle Lake 1828 Comment
  CAS-BOT-BC403680  Eschscholzia californica Alice Eastwood 1923-5-29 11986 Siskiyou Cantara Comment
  SDSU829  Eschscholzia californica D. F. Howe 1961-8-3 3130 Siskiyou 35.3 miles east of Happy Camp, #96, Klamouth Valley. 457 Comment
  SEINET10476279  Eschscholzia californica David B. Dunn, Katherine L. Morris; Melvin L. Conrad 1973-6-2 Dunn 361 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263. Comment
  HSC27009  Eucephalus glabratus J. P. Smith, J. O. Sawyer 1972-9-12 5774 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  JEPS25539  Euphorbia crenulata Rimo Bacigalupi with Lincoln Constance 1959-6-16 7155 Siskiyou ne of (and above) Mt. Shasta (town) (w slope of Mt. Shasta); Mt. Shasta 1414 Comment
  UC1736078  Euphorbia esula Dean W. Taylor 1999-8-12 17298 Siskiyou Mill Creek, Quartz Valley about 1 mile SSW Mugginsville, along Mill Creek logging road 0.5 miles up from bridge crossing 972 Comment
  RSA0036537  Eurhynchiastrum pulchellum James R. Shevock, Ken Kellman 2012-10-6 41162 Siskiyou Above Sugar Lake accessed via trailhead off of FS road 41N14. 1821 Comment
  JEPS31881  Eurybia integrifolia Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  OBI58650  Euthamia occidentalis David J. Keil 1992-7-20 23483 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  RSA507775  Euthamia occidentalis J. C. Semple, S. Heard 1986-8-16 8468 Siskiyou CA-96, 1.6 km W of Horse Creek, before CA-3; by Klamath River Comment
  CAS-BOT-BC278726  Festuca idahoensis John Thomas Howell 1939-8-9 15240 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  HSC30522  Festuca idahoensis Frederick W. Oettinger 1969-8-16 1410 Siskiyou Marble Mtn.Wilderness Area, NE of Wiregrass Meadow, near English Lake 1677 Comment
  HSC92562  Festuca idahoensis Jennifer Whipple 1977-8-4 2150 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  RSA239116  Festuca idahoensis Frederick W. Oettinger 1969-9-2 1585 Siskiyou Bear Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  CDA28213  Festuca idahoensis Vernon H. Oswald & Lowell Ahart 1998-6-11 9193 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  HSC39910  Festuca occidentalis J. P. Smith, Steve Selva 1970-7-16 4400 Siskiyou Blue Mtn. Comment
  UCD66154  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  SEINET184870 Image available Festuca ovina C. L. Hitchcock, JS Martin 1939-7-9 5321 Siskiyou 1/2 mi SE of King's Castle Marble Mtns 1829 Comment
  CAS-BOT-BC279074  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
  RSA238398  Festuca subulata Frederick W. Oettinger 1969-9-4 1655 Siskiyou Margin of dry meadow below Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC282571  Festuca viridula Gilbert Muth 1969-8-7 1261 Siskiyou Boulder Peak Ridge 2468 Comment
  HSC43423  Fragaria vesca Maralyn O'Meara 1974-5-25 387 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  UC166620  Fragaria vesca Geo. D. Butler 1908-6-27 496 Siskiyou Forest House Mountain Comment
  CAS-BOT-BC53419  Frangula californica subsp. occidentalis Dorothy Parker 1950-6-27 465 Siskiyou Near an irrigation ditch in Scott Valley 883 Comment
  CAS-BOT-BC59990  Frangula purshiana Edward Lee 1934-8-15 1124 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest. 1615 Comment
  CAS-BOT-BC60024  Frangula purshiana John Thomas Howell 1937-7-24 13424 Siskiyou Caribou Basin, Salmon-Trinity Alpa. 2286 Comment
  SBBG27245  Frangula rubra subsp. obtusissima D. K. Kildale 1929-6-22 8032 Siskiyou base of Black Butte, Mt Shasta Comment
  CAS-BOT-BC59551  Frangula rubra subsp. rubra Doris K. Kildale; J. W. Gillespie 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  RSA17690  Frasera albicaulis var. modocensis Elmer I. Applegate 1935-6-6 9366 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument. Comment
  HSC46116  Fraxinus latifolia J. P. Smith, Steve Selva 1970-6-14 3872 Siskiyou Comment
  CAS-BOT-BC502843  Fritillaria atropurpurea Harley P. Chandler 1901-6-1 1592 Siskiyou Ridges and meadows near Marble Mountain 1981 Comment
  CAS-BOT-BC502847  Fritillaria atropurpurea Wm. Bridge Cooke 1938-7-1 11155 Siskiyou Mount Shasta below Wagon Camp 1706 Comment
  UC164478  Fritillaria pudica Geo. D. Butler 1909-5-3 1089 Siskiyou near Yreka Comment
  CAS-BOT-BC506211  Fritillaria pudica Doris K. Kildale 1929-4-29 7595 Siskiyou Callahan Comment
  RSA367760  Fritillaria pudica Christopher Davidson 1975-6-5 2689 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  HSC40220  Fritillaria recurva J. P. Smith 1976-5-21 8775 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  CDA39330  Fritillaria recurva T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  POM109777  Fritillaria recurva Geo D. Butler 1909-4-14 596 Siskiyou Humbug Creek Comment
  HSC68347  Galium aparine J. P. Smith 1973-5-5 6382 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC164089  Galium aparine Geo. D. Butler 1908-7-19 1000 Siskiyou Humbug Creek Comment
  HSC29327  Galium bolanderi Frederick W. Oettinger 1969-8-3 1144 Siskiyou Marble Mtn. Wilderness Area, above stock gate between Willow Springs and English Lake, 200 ft. above trail 1829 Comment
  JEPS84281  Galium glabrescens L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6366 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi e of Red Butte summit) 1900 Comment
  HSC90533  Galium glabrescens subsp. glabrescens Jennifer Whipple 1976-6-30 1192 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  SBBG18787  Galium glabrescens subsp. glabrescens C. B. Hardham 1961-6-30 8012 Siskiyou White Mtn Comment
  UCD121822  Galium muricatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Callahan on Cecilville Road. 975 Comment
  HSC82001  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1979-6-16 4852 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  NY131475  Galium serpenticum subsp. scotticum L. T. Dempster 1961-7-3 1877 Siskiyou About 2 miles below summit (i.e. E of) on road SW of Callahan. 1828.8 Comment
  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
  HSC19300  Galium triflorum J. O. Sawyer 1969-7-23 1449 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  RSA238879  Galium triflorum Frederick W. Oettinger 1967-8-20 287 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC182228  Garrya fremontii Doris K. Kildale 1927-11-20 4179 Siskiyou Fort Jones Comment
  CAS-BOT-BC182268  Garrya fremontii Elmer I. Applegate 1898-5-15 2138 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  CAS-BOT-BC182275  Garrya fremontii Alice Eastwood 1912-8-28 1945 Siskiyou Cantara Comment
  UC165291  Garrya fremontii Geo. D. Butler 1908-8-5 40 Siskiyou below Cold Spring (on West Fork of Wooley Creek); West Fork of Wooley Creek Comment
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Nov 25 2011
  CAS-BOT-BC182250  Garrya fremontii C. B. Wolf 1932-7-14 3868 Siskiyou 4 miles above junction of McClous road with Pacific Highway. Planted in flat, Rancho Santa Ana Botanic Garden 1188 Comment
  UC1409445  Gaultheria ovatifolia Frederick W. Oettinger 1968-8-5 414 Siskiyou High Lake Basins in vicinity of English Peak (at w end of Charmaine Lake, Marble Mountain Wilderness Area, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Charmaine 1920 Comment
  HSC36727  Gaultheria shallon Brent Whiteley 1975-7-8 152 Siskiyou 610 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
  UCR37543  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1983-8-28 629 Siskiyou At Poker Flat. Dry W side of lower protion of meadow. 1524 Comment
  HSC78319  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1983-8-16 538 Siskiyou At Poker Flat, road edge at upper portion of meadow 1524 Comment
  POM254607  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1940-8-22 15485 Siskiyou Mount Shasta: Squaw Valley Creek meadows 2439 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
  RSA12606  Gayophytum heterozygum Carl B. Wolf 1934-7-6 5979 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  RSA44255  Gayophytum heterozygum W. Bridge Cooke 1949-8-26 25667 Siskiyou Along logging road above Bolam Station, Mount Shasta 1829 Comment
  HSC19496  Gayophytum humile J. O. Sawyer 1969-8-1 1648 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  SBBG21797  Gayophytum humile D. Myrick 1964-7-25 955 Siskiyou Shasta Ski Bowl Hwy 1219 Comment
  UCD169072  Gentiana calycosa J. M. Tucker; L. K. Mann 1963-8-18 3746 Siskiyou Marble Mountain Wilderness Area, Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station. 1920 Comment
  HSC96860  Gentiana newberryi var. newberryi Gordon Leppig, J. Cromwell 1997-7-25 577 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA151827  Gentianella amarella H. K. Sharsmith, Francia Chisaki 1959-8-19 4730 Siskiyou Just west of summit of Scott Mountain grade, just beyond Trinity County line. 1585 Comment
  UC1024067  Gentianella amarella subsp. acuta Dorothy Parker 1953-9-18 607 Siskiyou near Cory Peak (along the banks of Cabin Meadow Creek); Siskiyou Mountains, Cabin Meadow Creek 1828 Comment
  HSC45986  Gilia capitata J. P. Smith, Steve Selva 1970-6-15 3947 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  POM75062  Gilia capitata Geo D. Butler 1909-5-10 741 Siskiyou Near Yreka. Comment
  RSA237958  Gilia capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou Below Red Hill summit north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UC1409305  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou Red Hill n Hancock Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  UC29086  Githopsis specularioides E. L. Greene 1876-1 Siskiyou near Yreka Comment
  HSC30448  Glyceria elata Frederick W. Oettinger, R. F. Thorne 1969-8-8 1284 Siskiyou Marble Mountain Wilderness Area, Sundew Bog in English Lake Basin 1829 Comment
  UCD85162  Glyceria elata L. Whitney 1934-6-24 s.n. Siskiyou Tennant. 1463 Comment
  RSA15684  Gnaphalium chilense C. B. Wolf 1927-8-26 1061 Siskiyou Klamath River, 3 miles below Gottville Comment
  RSA237524  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC4512  Goodyera oblongifolia W. H. Brewer 1862-9-9 1358 Siskiyou Upper Sacramento, between Camps 97 and 98 Upper Sacramento Comment
  RSA607425  Gratiola ebracteata Louis C. Wheeler 1935-6-13 3570 Siskiyou Greenview, Scott Valley. 884 Comment
  CAS-BOT-BC314628  Grindelia hirsutula R. E. Frenkel 1964-10-2 869 Siskiyou On the south-west side of Everett Memorial Highway near Mount Shasta 1642 Comment
  SEINET10615475 Image available Grindelia nana var. nana A. Arthur Heller 1917-9-7 Heller 12979 Siskiyou Shasta valley ten miles south of Gazelle in gravelly soil at the base of a hill. 914 Comment
  UCD98142  Gypsophila paniculata T. C. Fuller 1967-6-29 16038 Siskiyou west of Medo-Bel Dairy, College Ave., SW part of Weed. Comment
  UCD18306  Hackelia californica Joe Ditomaso 2001-6-12 s.n. Siskiyou Buck Mtn., near McCloud, off Pilgrim Creek Rd. 1828 Comment
  HSC22205  Hackelia micrantha J. O. Sawyer 1968-7-2 364 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC626  Hackelia micrantha William J. Ferlatte 1966-7-7 213 Siskiyou NW side of Caribou Mtn. 1829 Comment
  JEPS101161  Hackelia setosa Dean W. Taylor 1996-6-19 15706 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  RSA235927  Hackelia setosa J. L. Gentry Jr., David Vierig 1968-6-17 2062 Siskiyou Siskiyou County: Siskiyou Mtns, 20.9 miles N of Happy Camp) 2 miles from jct of HS Forest raods 196 & 1916B, onr road 1916. 1372 Comment
  RSA68886  Hackelia setosa A. E. Culbertson 1943-7-3 70 Siskiyou Castle Lake, 14 miles s.w. of Mt. Shasta on n. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CLARK-A1528-5608  Haplopappus racemosus subsp. glomeratus John C. Roos 1948-9-1 3954 Siskiyou Fort Jones Comment
  JEPS62095  Hastingsia alba W. L. Jepson 1914-8-13 5789 Siskiyou Sisson 1097 Comment
  HSC30795  Hastingsia alba Arthur R. Kruckeberg 1972-6-9 6204 Siskiyou Above rd. at Beaver Creek Forest Camp along Beaver Creek, Klamath River drainage Comment
  SEINET8480288  Hastingsia alba G. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek. Comment
  HSC69105  Hastingsia serpentinicola Maralyn A. Renner 1980-8-6 2302 Siskiyou Cracker Meadow 1555 Comment
  RSA120897  Hastingsia serpentinicola Milo S. Baker 1957-6-16 15753 Siskiyou Trip to Scott Mt. from turn off near Callahan, 5-6 mi. from turn off. Comment
  CAS-BOT-BC302451  Hazardia whitneyi var. discoidea Gilbert Muth 1965-8-4 310 Siskiyou Marble Valley Comment
  HSC33328  Hazardia whitneyi var. discoidea William J. Ferlatte 1974-7-25 1589 Siskiyou Grouse Ridge on Trinity Co. line, just S of summit of Preachers Peak. 2165 Comment
  RSA215643  Hazardia whitneyi var. discoidea Gilbert Muth 1969-8-10 1344 Siskiyou Red Mountain Ridge. 2378 Comment
  UC609328  Hazardia whitneyi var. discoidea Eleanor Burks Hart 1938-8-20 954 Siskiyou below Red Cap 2316 Comment
  HSC67016  Helenium bigelovii J. P. Smith, Steve Selva 1970-7-16 4410 Siskiyou Beaver Creek Campground. 823 Comment
  HSC67878  Helenium bigelovii J. P. Smith, J. O. Sawyer 1973-8-14 7297 Siskiyou W shore of Campbell Lake 1768 Comment
  RSA183722  Helenium bigelovii Gilbert Muth 1965-8-2 145 Siskiyou Marble Valley; Marble Mts. Comment
  RSA211511  Helenium bigelovii William J. Ferlatte 1967-8-17 947 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  SD76158  Helenium bigelovii Helen V. Witham 1969-10-9 557 Siskiyou Scott Mountains: Kangaroo Lake, edge of bog. 2100 Comment
Read comments
Jun 3 2008
  SEINET11848913  Helenium bigelovii Unknown 1953-1 122 Siskiyou Scott Mountains, Scott Mountain Public Campground, Klamath National Forest 1631 Comment
  HSC81556  Helianthella californica var. nevadensis Thomas W. Nelson, Jane P. Nelson 1980-7-20 6164 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC92206  Helianthella californica var. shastensis Jennifer Whipple 1976-7-14 1481 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC3682  Heliotropium curassavicum C. B. Wolf 1927-8-26 1057 Siskiyou Klamath River, 3 mi. below Gottenville Comment
  HSC44962  Hemizonella minima J. O. Sawyer 1978-6-16 3225 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  HSC91112  Heracleum maximum Jennifer Whipple 1976-7-24 1538 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  RSA17429  Hesperochiron californicus Elmer I. Applegate 1939-6-14 5738 Siskiyou 5 miles north of Edgewood, Shasta Valley. Comment
  UC1540189  Hesperolinon micranthum Dean Wm. Taylor and Glenn L. Clifton 1987-6-24 9051 Siskiyou Tom Young Flat McCloud River drainage 1280 Comment
  SEINET10460602  Heterocodon rariflorum Willis L. Jepson Jepson 1894 Siskiyou SISSON Comment
  CDA15536  Heteromeles arbutifolia G. F. Hrusa 1998-7-5 14704 Siskiyou Siskiyou Mountains; Hwy 96 17.6 mi. W of Happy Camp. Comment
  JEPS104877  Heterotheca oregona var. compacta Dean W. Taylor 1993-7-30 14019 Siskiyou Highway 3 about 7 miles east of Fort Jones (tributary to Scott River); Klamath National Forest 609 Comment
  CAS-BOT-BC311092  Heterotheca oregona var. rudis Louis C. Wheeler 1934-9-15 3265 Siskiyou Klamath National Forest. Walker 518 Comment
  UC933437  Heterotheca oregona var. rudis Annie M. Alexander and Louise Kellogg 1948-9-4 5580 Siskiyou Salmon River Siskiyou Mountains, Salmon River Comment
  CAS-BOT-BC420708  Heuchera merriamii Edward Lee 1934-8-14 1102 Siskiyou near summit of Little Grayback, Siskiyou-Del Norte County Line 1859 Comment
  HSC681  Heuchera merriamii William J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  JEPS50862  Heuchera merriamii Al Hobart 1967-8-8 Siskiyou just s Youngs Valley (on El Capitan, Siskiyou Mountains, westernmost Siskiyou County); Siskiyou Mountains, El Capitan, just s of Youngs Valley 1828 Comment
  RSA0063200  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. 2043 Comment
  HSC27717  Heuchera micrantha Carl W. Mize 1972-6-8 16 Siskiyou Along trail on moist N slope 343 Comment
  NY186042  Heuchera pringlei C. G. Pringle 1881-8-14 s.n. Siskiyou Castle Lake 1828.8 Comment
  CAS-BOT-BC319693  Hieracium albiflorum Lewis S. Rose 1945-6-18 45086 Siskiyou Horse Creek and Klamath River 502 Comment
  CAS-BOT-BC319697  Hieracium albiflorum Alice Eastwood; John Thomas Howell 1937-6-26 5045 Siskiyou Salmon Mts. near Taylor Creek Comment
  SBBG25850  Hieracium albiflorum D. Myrick 1966-8-8 1493 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  CAS-BOT-BC319685  Hieracium albiflorum L. E. Smith 1913-7-6 s.n. Siskiyou North fork Castle Creek Comment
  HSC22257  Hieracium albiflorum J. O. Sawyer 1968-7-10 490 Siskiyou 1768 Comment
  OBI53779  Hieracium albiflorum David J. Keil, Kathleen Keil 1992-7-19 23462 Siskiyou Klamath NF. 6.5 mi NW of Sawyers Bar on Sawyers Bar Rd Comment
  HSC81198  Hieracium bolanderi Thomas W. Nelson, Jane P. Nelson 1980-7-5 5966 Siskiyou Fowler's Campground 1006 Comment
  CHSC69070  Hieracium greenei Vernon Oswald; Lowell Ahart 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi south of Medicine Lake Road. 1700 Comment
  UC1731305  Hieracium greenei Dean W. Taylor 1997-7-25 15845 Siskiyou Klamath Region, Scott Mountains, Klamath National Forest, Crater Lake in cirque above upper lake Crater Lake; Klamath Region, Scott Mountains, Klamath National Forest 2331 Comment
  UC1408935  Hieracium horridum Frederick W. Oettinger 1969-9-3 1610 Siskiyou below English Peak (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Shasta Ri 2072 Comment
  CAS-BOT-BC316014  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  UC481033  Hieracium nudicaule H. W. Furlong Sep 1901 Siskiyou Summit to Ager Comment
  CAS-BOT-BC316028  Hieracium scouleri Doris K. Kildale 1929-7-20 8633 Siskiyou Trail up South Fork of Indian Creek to Elk Lick 1371 Comment
  HSC29196  Hieracium scouleri Frederick W. Oettinger 1969-8-9 1257 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Tom's Lake Basin 1890 Comment
  POM360467  Hieracium scouleri var. nudicaule L. S. Rose 1937-7-25 37590 Siskiyou South slope of Mt. Shasta. 1768 Comment
  HSC62044  Hieracium triste Ruby Van Deventer 13 Aug [year missing] Siskiyou Raspberry Lake 2 mi. W of Copper Mtn. Comment
  HSC58952  Holodiscus discolor Marvin Butler 1971-7-29 240 Siskiyou Near Copper Camp, close to the town of Cave Junction 1464 Comment
  HSC93  Holodiscus discolor William J. Ferlatte 1966-8-4 305 Siskiyou Dorleska summit 2134 Comment
  CAS-BOT-BC152380  Holodiscus discolor var. discolor Doris K. Kildale 1929-7-20 8575 Siskiyou South east spur Preston Peak 1950 Comment
  CAS-BOT-BC150141  Holodiscus microphyllus var. glabrescens Wm. Bridge Cooke 1938-9-17 11702 Siskiyou Ridge below Horse Camp Comment
  CAS-BOT-BC150142  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1935-6-5 9337 a Siskiyou Lyons road, north boundary of Lava Beds National Monument Comment
  CHSC98912  Holodiscus microphyllus var. glabrescens L. P. Janeway; B. Castro 2007-7-28 9131 Siskiyou Modoc Plateau. Upper part of Callahan Flow, along Road 44N53 0.6 km north of Cinder Butte. 1731 Comment
  RSA597964  Holodiscus microphyllus var. microphyllus Louis C. Wheeler 1963-8-31 8324 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  RSA591657  Hordeum brachyantherum L. C. Wheeler 1934-8-14 3133 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  CAS-BOT-BC284739  Hordeum jubatum David D. Keck 1949-7-19 6348 Siskiyou 2 mi. S. of Grenada 777 Comment
  JEPS107373  Hordeum jubatum Lowell Ahart, John Dittes 2005-6-9 12023 Siskiyou Field, on the east side of a poor rock fence, about 400 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC143956  Horkelia daucifolia L. B. Kildale 1930-6-1 9825 Siskiyou Mill Creek near Etna Mills Comment
  CAS-BOT-BC143959  Horkelia daucifolia Milo S. Baker 1957-6-16 13170 Siskiyou Trip to Scott Mt. after turn off near Callahan Comment
  JEPS81058  Horkelia daucifolia J. P. Smith and T. W. Nelson 1979-6-15 10125 Siskiyou Road to Carmen Lake 0.6 mi from its junction State Route 3; China Mtn. Quad., Klamath National Forest. 1645 Comment
  JEPS95048  Horkelia fusca subsp. parviflora Vernon Oswald and Lowell Ahart 1997-7-28 8800 .1 Siskiyou Pumice Stone Well 0.2 mi. s. of Medicine Lake Rd. (on Forest Rte. 15, at edge of meadow); Pumice Stone Well 1905 Comment
  RSA31651  Horkelia fusca var. brownii A. A. Heller 1938-7-12 15258 Siskiyou Flat place near the summit of Deer Mtn on the Hwy 97. 1738 Comment
  CAS-BOT-BC514286  Horkelia fusca var. pseudocapitata A. A. Heller 1922-7-16 13718 Siskiyou Near Harris Spring E of Mt. Shasta Comment
  CAS-BOT-BC514289  Horkelia fusca var. pseudocapitata A. A. Heller 1927-8-1 14435 Siskiyou Near Shasts City (Sisson) [type (of H. brownii) collected on the south side of Mt. Shasta] Comment
  SBBG15756  Horkelia tridentata D. Myrick 1961-6-22 315 Siskiyou Hwy 89 near McCloud Comment
  CAS-BOT-BC539438  Horkelia tridentata var. tridentata A. A. Heller 1916-8-24 12565 Siskiyou Near Sisson 1074 Comment
  CAS-BOT-BC142665  Howellanthus dalesianus Dorothy Parker; Wayne Roderick 1967-7-25 s.n. Siskiyou Kangaroo Lake, Scott Mts 1981 Comment
  JEPS57174  Hulsea nana L. R. Heckard 1967-8-13 1701 Siskiyou Mt. Eddy; summit region 2743 Comment
  RSA420883  Hydrophyllum fendleri var. albifrons M. B. Dunkle 1944-06 9041 Siskiyou Wet seepage bank. Comment
  UCD119492  Hydrophyllum occidentale J. P. Smith; Steve Selva 1970-6-15 3957 Siskiyou 20 miles east of Cecilville on the road to Callahan. 1645 Comment
  CHSC30332  Hypericum anagalloides M. S. Taylor 1980-7-8 3100 Siskiyou NW side of Castle Lake, along edge of lake in creek crossing. 1615 Comment
  HSC99611  Hypericum anagalloides J. O. Sawyer 1969-8-5 1773 Siskiyou W of Little Duck Lake 2073 Comment
  HSC29262  Hypericum perforatum Frederick W. Oettinger 1969-8-24 1525 Siskiyou Marble Mtn. Wilderness Area, between English Lake and Sundew Bog 1799 Comment
  UC1576732 Image available Iliamna bakeri Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-6 9244 Siskiyou About 100 m s Lava Tank (extreme northeastern portion of County, Hambone Island region. 1219 Comment
  RSA77044  Iliamna latibracteata F. W. Peirson 1923-7-17 3772 Siskiyou Whitney Creek, foot of Mt. Shasta Comment
  JEPS74449  Ipomopsis aggregata W. J. Ferlatte 1966-6-22 86 Siskiyou between the campground and Carter's Trinity Alps, South Fork of Salmon River 1524 Comment
  UC106647  Ipomopsis aggregata A. Eastwood 1893-8-10 Siskiyou Mt. Shasta Comment
  HSC44589  Ipomopsis aggregata Laura Witherspoon 1977-7-13 Siskiyou 1/2 mi. before Flint Valley on the G-O Rd. 1220 Comment
  RSA12495  Ipomopsis aggregata subsp. formosissima C. B. Wolf 1934-7-4 5942 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  CHSC4534  Ipomopsis arizonica J. E. Bowlin 1967-7-18 58 Siskiyou On roadside, ca. 4 mi w of Mount Shasta Ski Bowl. 1981 Comment
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Jul 13 2018
  CHSC96035  Isatis tinctoria L. P. Janeway 2006-7-3 8768 A Siskiyou Klamath Ranges. Salmon Mountains; southwest side of Taylor Lake Trailhead Road 0.8 km south of the main road; south-facing bowl at the head of Taylor Creek. 1804 Comment
  HSC100200  Isatis tinctoria J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13165 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  SEINET11971706  Isatis tinctoria M. Ownbey, Meyer, F. G. 1940-1 2208 Siskiyou Soap Ridge road, SW of Yreka Comment
  UC371166  Isoetes bolanderi G. D. Butler 1908-8-3 256 Siskiyou Log lake Comment
  HSC103153  Isoetes echinospora Dana York 2014-10-11 3225 Siskiyou Klamath National Forest, Marble Mountain Wilderness, Chinquapin Lake above Deep Lake. 2180 Comment
  POM98234  Isopyrum stipitatum Geo. D. Butler 1910-3-10 1120 Siskiyou Thickets in dry land near Yuka. Comment
  SEINET10573312  Isopyrum stipitatum Edward L. Greene 1876-1 Greene 689 Siskiyou Collected near Yreka Comment
  CAS-BOT-BC135373  Ivesia gordonii A. A. Heller 1920-7-9 13424 Siskiyou Summit of Mt. Eddy Comment
  HSC75156  Ivesia pickeringii Kenneth M. Balk 1980-7-29 419 Siskiyou Near French Flat 1128 Comment
  UCD15035  Juncus John M. Tucker 1974-7-28 4317 Siskiyou California, Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows; wet soil in meadow, elev. ca. 4800 ft. 1463 Comment
  UC1100953  Juncus balticus Herbert L. Mason 1948-7-18 13615 Siskiyou Grass Lake Comment
  CHSC106109  Juncus balticus subsp. ater Lowell Ahart; John Dittes 2010-7-30 16950 Siskiyou On the south side of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  JEPS66925  Juncus bufonius Geo. D. Butler 1909-6-2 792 Siskiyou near Yreka Comment
  RSA715781  Juncus bufonius var. bufonius L. Ahart, John Dittes 2005-6-9 12055 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  POM176294  Juncus bufonius var. bufonius E. B. Copeland 1903-7-7 3555 Siskiyou Hornbrook. Comment
  HSC30685  Juncus confusus Frederick W. Oettinger 1969-8-24 1526 Siskiyou Between English Lake main camp and 'Sundew Bog' W of camp 1799 Comment
  HSC30719  Juncus confusus Frederick W. Oettinger 1968-9-10 812 Siskiyou Vicinity of English peak Marble Mtns., just SW above Horse Range Lake 1845 Comment
  HSC96560  Juncus drummondii Gordon Leppig, J. Kalt 1996-7-10 379 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC99803  Juncus effusus subsp. pacificus C. B. Wolf 1927-8-26 1097 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  CHSC105444  Juncus ensifolius Peter F. Zika 2008-7-17 23928 Siskiyou Klamath Range. E side of I-5, near Exit 732, Dunsmuir. 770 Comment
  HSC78393  Juncus ensifolius L. P. Janeway 1983-9-11 668 Siskiyou Poker Flat, seep at NW side 1524 Comment
  JEPS84100  Juncus ensifolius L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6376 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  RSA22085  Juncus ensifolius J. T. Howell 1939-8-7 15129 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  UC595072  Juncus ensifolius David D. Keck 1938-8-8 4865 Siskiyou between Scott Mtn. and Craggy Peak; Scott Mountain Divide 1676 Comment
  CHSC114076  Juncus howellii Jennifer Buck 2011-8-23 TL 03 A Siskiyou Middle Fork Sacramento Rivr headwaters, east slope of the Eddys, near Toad Lake; UTM Zone 10N, 542269E, 4570217N. 2065 Comment
  JEPS109262  Juncus howellii D. W. Taylor 2002-8-7 18297 Siskiyou Trinity Mountains; logging road below Tamarack Lake, E Fork Trinity River, seepage area ca 300 m S of area shown on topographic maps as 499IT, 0.2 mi N of the creek crossing. Comment
  CAS-BOT-BC127615  Juncus mertensianus Doris K. Kildale 1928-8-19 6523 Siskiyou English Lake, head of north fork of Salmon River. Comment
  CAS-BOT-BC127620  Juncus mertensianus H. A. Thomas; J. H. Thomas 1954-7-24 4518 Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles east of Cecilville. 1981 Comment
  CAS-BOT-BC110804  Juncus mertensianus Wm. Bridge Cooke 1938-8-18 11475 Siskiyou Mount Shasta. Horse Camp Springs. Around several springs above Horse Camp along the Summit Trail. 2514 Comment
  RSA238905  Juncus mertensianus Frederick W. Oettinger 1969-9-2 1599 Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA597972  Juncus mertensianus L. C. Wheeler 1963-8-31 8317 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  UC1265308  Juncus nevadensis Frederick W. Oettinger and R. F. Thorne 1969-8-6 1241 Siskiyou nnw of Pine Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1882 Comment
  UC1265316  Juncus occidentalis F. W. Oettinger 1968-9-10 812 Siskiyou just above Horse Range Lake; Salmon Mts. Comment
  RSA238913  Juncus orthophyllus Frederick W. Oettinger 1968-9-6 741 Siskiyou At Bear Meadow mid-way along a straight line between English Peak and Tom Taylor cabin, at the head of Snowslide Gulch. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  JEPS75886  Juncus parryi W. J. Ferlatte 1966-6-22 116 Siskiyou Josephine Lake basin Trinity Alps 1676 Comment
  JEPS94676  Juncus tiehmii Vernon H. Oswald and Lowell Ahart 1998-7-21 9362 Siskiyou on Old State Hwy 0.8 mi e Tennant Road (ne of Weed, e of Grass Lake, and w of Bray) 1417 Comment
  CAS-BOT-BC80907  Juniperus Doris K. Kildale; J. W. Gillespie 1929-6-23 8039 Siskiyou Shasta River near Yreka 762 Comment
  CHSC25059  Juniperus occidentalis J. L. Wilson 1970-3-23 223 Siskiyou Along e side of Hwy. 7.6 mi n of Yreka on old Interstate 5, 1.5 mi s of intersection of Hwy 96 and Interstate 5. 670 Comment
  SEINET10826625  Juniperus occidentalis J. William Thompson 1936-7-8 Thompson 13156 Siskiyou Lava slopes of Lava Beds, National Monument. Comment
  OBI36637  Juniperus occidentalis subsp. occidentalis David J. Keil 1983-7-3 17378 Siskiyou 11 mi NE of jctn with SR 3 along Gazelle-Callahan rd Comment
  POM148750  Juniperus occidentalis var. occidentalis J. B. Feudge 1927-8-11 1618 Siskiyou Hornbrook Comment
  POM316064  Juniperus occidentalis var. occidentalis Patricia Wilder 1965-9-29 4192 Siskiyou Lava Beds National Monument at campground 1372 Comment
  RSA240064  Juniperus occidentalis var. occidentalis Frederick W. Oettinger 1969-8-25 1558 Siskiyou Ft. Jones. Salmon Mountains. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 915 Comment
  RSA78942  Juniperus occidentalis var. occidentalis E. K. Balls, Percy C. Everett 1952-10-12 18169 Siskiyou Indian Well Campground, Modoc Lava Beds National Monument 1402 Comment
  HSC62030  Kalmia polifolia Al Hobart 18 Jun [year missing] Siskiyou Preston Peak Comment
  CAS-BOT-BC246175  Keckiella lemmonii Alice Eastwood 1917-9-2 6635 Siskiyou Shasta Springs Comment
  HSC90522  Kelloggia galioides Jennifer Whipple 1977-8-5 2178 Siskiyou Wagon Creek Drainage on the E face of Mt. Eddy 2256 Comment
  RSA447645  Kelloggia galioides Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  UC138607  Kelloggia galioides Dr. E. B. Copeland 1903-7-17 3516 Siskiyou Mt. Shasta Comment
  UCD121988  Kelloggia galioides J. M. Tucker 1950-7-24 1948 Siskiyou Highway 89, 7.5 miles east of McCloud. Comment
  CAS-BOT-BC349851  Lactuca tatarica subsp. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 mi. n.e. of Macdoel Comment
  CAS-BOT-BC341702  Lagophylla ramosissima H. M. Hall 1919-10-2 s.n. Siskiyou Near Weed Comment
  HSC71346  Lathyrus lanszwertii var. lanszwertii J. P. Smith 1976-5-21 8778 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  RSA184761  Lathyrus nevadensis subsp. lanceolatus Gilbert Muth 1966-7-14 384 Siskiyou Marble Valley, above pasture, Marble Mountains. Comment
  JEPS75661  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1909-6-22 916 Siskiyou Goosenest Mountain Comment
  CHSC106270  Lemna gibba Lowell Ahart; John Dittes 2010-7-30 16959 Siskiyou On the shallow calm water, along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  POM93965  Lepidium densiflorum var. bourgeauanum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  CHSC114921  Lepidium perfoliatum D. B. Joley 1976-6-24 2 Siskiyou Mt. Shasta City. Comment
  HSC47621  Lepidium perfoliatum J. P. Smith 1977-5-15 9068 Siskiyou Yreka Comment
  UC643289  Leptodactylon pungens W. Bridge Cooke 1940-6-27 15218 Siskiyou in brush field in the Lava Park along old logging rd leading up Mount Shasta from Hotlum Station on the n side Mount Shasta 1371 Comment
  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
  UC10685  Lesquerella occidentalis subsp. occidentalis Harley P. Chandler June, 1901 1653 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  CAS-BOT-BC341896  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou At Dunsmuir 640 Comment
  CAS-BOT-BC341899  Lessingia nemaclada Doris K. Kildale 1928-7-25 5880 Siskiyou Klamath River near Hamburg Comment
  RSA151805  Lessingia nemaclada H. K. Sharsmith, Francia Chisaki 1959-8-20 4738 Siskiyou Wildcat Canyon road ca. 4 miles west of Callahan. 1067 Comment
  UC1287434  Lessingia nemaclada John Weiler and A. P. Nelson 1960-6-26 60225 Siskiyou 2.2 mi nw second bridge across Salmon River (nw of town of Forks of Salmon, on banks of rive); Salmon River Comment
  CAS-BOT-BC58263  Leucothoe davisiae John Thomas Howell 1937-7-24 13387 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC4871  Leucothoe davisiae J. O. Sawyer 1968-7-23 620 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC4868  Lewisia cotyledon J. O. Sawyer 1968-9-9 665 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC86280  Lewisia cotyledon J. O. Sawyer 1983-7-7 4234 Siskiyou On trail from Bunn's Basin to Medicine Mtn. 1707 Comment
  SEINET11942479  Lewisia cotyledon H. P. Chandler 1901-1 1594 Siskiyou near Marble Mountain, North Coast Ranges 2286 Comment
  CAS-BOT-BC444056  Lewisia cotyledon var. cotyledon Doris K. Kildale 1929-7-20 8581 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  UC163730  Lewisia cotyledon var. cotyledon Geo. D. Butler 1908-8-7 1 Siskiyou divide between <Woo?>lly and Independence Creek Comment
  HSC92937  Lewisia leeana Jennifer Whipple 1977-7-20 1984 Siskiyou N slopes of Mount Eddy 2500 Comment
  SEINET11942480  Lewisia leeana J. G. Lemmon n d s.n. Siskiyou above Castle Lake, near Shasta Comment
  SEINET5324940  Lewisia leeana G. Butler 1910-8-8 1687 Siskiyou Shackleford Creek Comment
  RSA47807  Lewisia rediviva Roxana S. Ferris, Laura Lorraine 1948-6-12 11715 Siskiyou Schoolhouse Hill, Plowman s Valley [Noyes Valley], East Fork of Scott River Comment
  CAS-BOT-BC444577  Lewisia triphylla C. L. Hitchcock; J. S. Martin 1939-7-9 5337 Siskiyou Paradise Lake, near King's Castle 1767 Comment
  UCD64231  Leymus cinereus Beecher Crampton 1969-6-19 8466 Siskiyou 1.5 mi. south of Grenada. Comment
  CAS-BOT-BC283815  Leymus cinereus A. A. Heller 1905-6-19 s.n. Siskiyou Grenada Station Comment
  UC1137059  Leymus triticoides August L. Hormay 1932-7-15 Siskiyou 2 mi s Badger Well; Weed Valley Comment
  UCD65601  Leymus triticoides Mr. Roseman 1913-1 12 Siskiyou Butte Valley. Comment
  CDA41063  Ligusticum apiifolium G. F. Hrusa 1998-7-5 14689 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Sheet 2 of 2 Comment
  HSC22239  Ligusticum californicum J. O. Sawyer 1969-8-18 1974 Siskiyou S of S Sugar Lake 2104 Comment
  HSC76682  Ligusticum californicum K. T. Stillman 1976-7-30 325 Siskiyou Marble Mountain Wilderness Area, Elk Valley Comment
  RSA233697  Ligusticum grayi R. F. Thorne, Fred Oettinger 1969-8-10 38967 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UCR51776  Lilaeopsis occidentalis L. C. Wheeler 1935-7-3 03645 Siskiyou Shasta River. 2 mi. NW Montague 765 Comment
  RSA238846  Lilium kelleyanum Frederick W. Oettinger 1967-7-30 218 Siskiyou The NW side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC509381  Lilium kelleyanum Alice Eastwood 1923-5-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC130817  Lilium pardalinum Doris K. Kildale 1929-7-20 8631 Siskiyou Trail up South Fork Indian Creek to Elk Lick 1219 Comment
  HSC77932  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1499 Siskiyou Near Beans Camp 1280 Comment
  HSC78955  Lilium pardalinum subsp. wigginsii L. P. Janeway 1983-8-13 534 Siskiyou Along S Fork of Indian Creek 1494 Comment
  RSA264948  Lilium washingtonianum Gilbert Muth 1975-7-30 6048 Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  CAS-BOT-BC133019  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1928-7-4 5546 Siskiyou Etna Creek, on road from Sawyers Bar to Etna Comment
  CAS-BOT-BC133021  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1928-7-2 5367 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  CAS-BOT-BC133016  Lilium washingtonianum subsp. purpurascens H. A. Thomas; J. H. Thomas 1954-7-25 4543 Siskiyou Salmon - Trinity Mts., below Rush Creek Meadow along Rush Creek, about 8 miles E of Cecilville 1828 Comment
  SJSU6496  Lilium washingtonianum subsp. purpurascens R. W. Trivelpiece 1972-6-24 129 Siskiyou near Slater Butte 3 mi E of Klamath River c. 7 mi N of Happy Camp 1158 Comment
  JEPS62032  Lilium washingtonianum subsp. washingtonianum Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  SEINET3163745  Linanthus bicolor G. D. Butler 1910-4-25 1243 Siskiyou Oro Fino Comment
  CHSC91816  Linaria genistifolia subsp. dalmatica T. C. Fuller 1960-6-30 4649 Siskiyou Roadside, Mt. Hebron-Medicine Lake Road, just E/ Rock Rock School road. Comment
  HSC3909  Linnaea borealis subsp. longiflora Dorothy Parker 1949-8-12 363 Siskiyou Along banks of Duck Lake Creek, Salmon Mtns. 1524 Comment
  RSA0087558  Linnaea borealis subsp. longiflora Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. 1219 Comment
  UC889483  Linnaea borealis var. longiflora L. E. Smith 1913-7-12 458 Siskiyou Downeys Mill Comment
  HSC60001  Linum lewisii D. L. Goforth 1979-7-7 230 Siskiyou Klamath National Forest, Condrey Mtn., near Windy Camp. 2027 Comment
  RSA14401  Linum lewisii Elmer I. Applegate 1923-8-20 3898 Siskiyou Medicine Lake 1982 Comment
  HSC62309  Listera convallarioides Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  UCR222517  Listera convallarioides R. F. Thorne 1969-8-2 63395 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak, along N fork of Salmon River at Cedars 1159 Comment
  SEINET13954119 Image available Lithocarpus densiflorus A. A. Heller 1915-1 12248 Siskiyou Wagon creek at foot of Mt. Eddy 1128 Comment
  RSA604379  Lithocarpus densiflorus var. densiflorus Louis C. Wheeler 1959-7-26 7607 Siskiyou Marble Mountains: Offield Mountain, north of Somes Bar. Comment
  CAS-BOT-BC36531  Lithocarpus densiflorus var. echinoides A. A. Heller 1918-7-16 13035 Siskiyou Mt. eddy, west of Sisson, on open southeastern slope 1524 Comment
  POM166637  Lithocarpus densiflorus var. echinoides E. B. Copeland 1903-8-13 3827 Siskiyou Sisson. 1067 Comment
  UC402464  Lithophragma campanulatum Harley P. Chandler June, 1901 1608 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 2133 Comment
  HSC44954  Lithophragma glabrum J. O. Sawyer 1978-6-16 3219 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  HSC46176  Lithophragma glabrum Jennifer Whipple 1977-4-30 1876 Siskiyou Scott Valley near Weston Gulch 854 Comment
  JEPS47644  Lithophragma glabrum Geo. D. Butler 1909-4-13 652 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC435473  Lithophragma glabrum Ira L. Wiggins 1959-5-28 12389 Siskiyou .3 mi. W of Carmen Lake 1706 Comment
  CDA25416  Lithophragma glabrum T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC61906  Lithophragma heterophyllum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CHSC36161  Lithophragma parviflorum K. Bridwell 1978-4-15 90 Siskiyou Along Copco Rd and n bank of Irongate Reservoir (upper Klamath River), ca. 15 mi ne of Hornbrook. 762 Comment
  HSC39743  Lithophragma parviflorum J. O. Sawyer 1970-4-4 2092 Siskiyou Along Sugar Creek 823 Comment
  CAS-BOT-BC317338  Lithospermum californicum Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  HSC39659  Lolium temulentum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5740 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  UC165961  Lomatium californicum Geo. D. Butler 1909-6-6 799 Siskiyou near Yreka Comment
  POM133074  Lomatium californicum Geo. D. Butler 1910-5-18 1359 Siskiyou Near Yreka. Comment
  SEINET7073519  Lomatium congdonii A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
  SEINET10903129  Lomatium dissectum LeRoy E. Detling 1947-6-4 Detling 6116 Siskiyou Slater Butte. 1067 Comment
  JEPS97016  Lomatium engelmannii Dean W. Taylor 1997-6-12 16063 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley; ca. 4 miles west of Gazelle 944 Comment
  HSC77106  Lomatium macrocarpum K. T. Stillman 1976-8-7 182 Siskiyou Marble Mtn. Wilderness Area. Comment
  UCR37581  Lomatium macrocarpum L. P. Janeway 1983-7-3 372 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  JEPS116613  Lomatium macrocarpum Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -010 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73, 4 miles NE of town of Weed Mt. Shasta 1090 Comment
  POM211470  Lomatium macrocarpum L. C. Wheeler 1934-6-18 2729 Siskiyou West Fork Cottonwood Creek. 1509 Comment
  HSC42904  Lonicera ciliosa J. O. Sawyer, Ken Stillman 1976-5-28 2728 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  RSA594186  Lonicera ciliosa S. O. Mattoon 1977-6-26 61 Siskiyou Forest Road 47N03, on west side of Meiss Lake; 7 air miles NW of MacDoel. 1463 Comment
  JEPS116590  Lonicera conjugialis Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -025 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake headwaters of Middle Fork of upper Sacramento River. South China Mountain 2118 Comment
  JEPS82466  Lonicera conjugialis Gilbert Muth 1966-7-8 378 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC198578  Lotus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 131 Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 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
  UC163684  Lotus denticulatus Geo. D. Butler 1908-6-24 389 Siskiyou near Yreka Comment
  UC375303  Lotus denticulatus Geo. D. Butler 1909-6-24 912 Siskiyou near Yreka Comment
  RSA406397  Lotus micranthus Louis C. Wheeler 1934-6-4 2645 Siskiyou Ridge south of Horse Creek near mouth, Siskiyou Mts. (Mt. Diablo mer.) 1067 Comment
  RSA240072  Lotus oblongifolius Frederick W. Oettinger 1969-8-12 1342 Siskiyou Abbotts Lower Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1189 Comment
  UC725417  Lotus purshianus var. purshianus A. A. Heller 1916-8-24 12557 Siskiyou near Sisson 1074 Comment
  RSA281671  Lotus unifoliolatus S. O. Mattoon 1979-7-10 68 Siskiyou California-Oregon line at Elliott Cr., N. of Rush, Oregon, Siskiyou Mts. Comment
  POM257741  Luetkea pectinata C. Leo Hitchcock 1939-7-9 5328 Siskiyou 1/2 mile SE of King's Castle, Marble Mts. 1829 Comment
  CAS-BOT-BC342563  Luina hypoleuca John Thomas Howell 1939-8-6 15104 Siskiyou Elk Mt., Marble Mts. Comment
  JEPS82111  Luina hypoleuca Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7480 Siskiyou 4 mi above Oak Bottom guard station (or 5 mi above and se of Somes Bar); Gorge of Salmon River 274 Comment
  RSA34240  Luina hypoleuca C. B. Wolf 1927-8-27 1138 Siskiyou Mouth of Crawford Creek, Klamath River. Comment
  SD87754  Luina hypoleuca Frank W. Peirson 1926-7-10 7021 Siskiyou Yreka; mountain range west of Yreka 1370 Comment
  RSA119493  Lupinus C. P. Smith 1947-5-13 47275 Siskiyou 6.9 miles east of Weed. Highway 97. Comment
  JEPS25559  Lupinus albicaulis Rimo Bacigalupi with George Bacigalupi Jr. 1959-6-30 7182 Siskiyou SW of Mt. Shasta (town) Comment
  CHSC71299  Lupinus albicaulis var. shastensis Vernon H. Oswald 1998-6-11 9184 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UC157017  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-8-3 372 Siskiyou Log Lake Log Lake, Shackleford Creek (Shackleford Creek) Comment
  UC454635  Lupinus albicaulis var. shastensis I. J. Condit 1911-7-22 Siskiyou Mt. Shasta; Mt. Shasta, Horse Camp 2438 Comment
  UC640283  Lupinus albifrons H. and M. Dearing 1939-7-3 3812 Siskiyou Etna Comment
  SEINET7042819 Image available Lupinus albifrons A. G. Vestal 1955-5-16 s.n. Siskiyou Ca 2.2 miles west of Weed on a secondary road east of Route 99. Weed quadrangle UTM Zone 10, 547751mE, 4586681mN. Comment
  JEPS82676  Lupinus albifrons var. collinus Wayne Roderick 1984-6-6 Siskiyou on Highway 3, about 4 mi n Etna; n of Etna Comment
  HSC2252  Lupinus andersonii Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mtn. Comment
  HSC27633  Lupinus andersonii Carl W. Mize 1972-6-23 96 Siskiyou Along trail from Camp Three 610 Comment
  JEPS95095  Lupinus angustiflorus Vernon Oswald and Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake se of Medicine Lake; Bullseye Lake 2057 Comment
  SEINET10544236 Image available Lupinus argenteus A. Arthur Heller 1905-6-9 Heller 8015 Siskiyou Montague. Comment
  SEINET7042784 Image available Lupinus bicolor A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on route 3. Etna quadrangle UTM Zone 10, 508563mE, 4590750mN. Comment
  CAS-BOT-BC215183  Lupinus croceus Alice Eastwood 1912-8-30 1991 Siskiyou Mount Eddy Comment
  CAS-BOT-BC215195  Lupinus croceus A. A. Heller 1915-7-16 12097 Siskiyou N side of Mount Eddy 1524 Comment
  HSC42168  Lupinus croceus J. Mastrogiuseppe 1974-9-2 168 Siskiyou W slope of ridge of Red Rock Mtn. 2195 Comment
  JEPS74515  Lupinus croceus W. J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine Trinity Alps, Yellow Rose Mine 1981 Comment
  CAS-BOT-BC215187  Lupinus croceus H. E. Brown No date on label 395 Siskiyou N side of Mount Shasta Comment
  SEINET8042186  Lupinus formosus G. D. Butler 1910-4-19 1201 Siskiyou Near Yreka Comment
  SEINET10485428  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47274 Siskiyou 7.4 mi. E of weed. Hwy 97. Comment
  UC60975  Lupinus latifolius var. viridifolius Geo. B. Grant September 1902 5233 Siskiyou Mount Shasta, Shasta Springs Mount Shasta; , Shasta Springs 609 Comment
  UC726316  Lupinus latifolius var. viridifolius A. A. Heller 1928-6-9 14601 Siskiyou Shasta Retreat Comment
  UCD108213  Lupinus latifolius var. viridifolius A. A. Heller 1914-8-25 11709 Siskiyou Deetz Station near Black Butte. 1158 Comment
  JEPS83226  Lupinus lepidus var. sellulus Geo. D. Butler 1908-6-28 367 Siskiyou Butler's Ranch Quartz Valley; , Butler's Ranch Comment
  UC146924  Lupinus lepidus var. sellulus Harley P. Chandler June, 1901 1727 Siskiyou at, (ridges and meadows near Marble Mountain) Shackleford Canyon; North Coast Ranges, Marble Mountain 1828 Comment
  UC922412  Lupinus lepidus var. sellulus Annie M. Alexander and Louise Kellogg 1949-7-22 5841 Siskiyou trail to Kings Castle; Marble Mountains, Paradise Lake 2072 Comment
  CDA27465  Lupinus lepidus var. sellulus S. Davis, F. D. Horn 1979-8-22 Siskiyou Sam s Neck west of Dorris. 0 Comment
  POM26761  Lupinus leucophyllus Geo. D. Butler 1910-5-21 1376 Siskiyou Klamath River. Comment
  UC157001  Lupinus leucophyllus Geo. D. Butler 1910-5-21 1376 Siskiyou Klamath River Comment
  SEINET11071976 Image available Lupinus luteolus A. A. Heller 1905-6-8 7990 Siskiyou Yreka Comment
  UC156995  Lupinus microcarpus var. microcarpus Geo. D. Butler 1909-5-13 704 Siskiyou Klamath Hills Comment
  CAS-BOT-BC383125  Lupinus obtusilobus Andrew Townesmith; Karen M. Meyer 2007-7-30 872 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  UC454622  Lupinus obtusilobus I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  UC70370  Lupinus obtusilobus Milo S. Baker 1899-7-31 Siskiyou on Ash Creek Mt. Shasta; , on Ash Creek Comment
  RSA123788  Lupinus polyphyllus subsp. polyphyllus Douglas Barbe 1955-7-5 103 Siskiyou 2.5 miles north of Etna on Greeview Rd. 884 Comment
  SEINET10490891  Lupinus sellulus var. sellulus Smith 1929-7-17 Smith 4425 Siskiyou 1/2 mi n of igerna. Comment
  RSA238893  Luzula comosa Frederick W. Oettinger 1968-8-11 486 Siskiyou On W side of the alder thicket just below Tom Taylor Cabin Spring. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA211370  Luzula divaricata William J. Ferlatte 1966-8-19 452 Siskiyou Head of Kidd Creek. Trinity Alps. 2134 Comment
  HSC22203  Luzula parviflora J. O. Sawyer 1968-7-2 380 Siskiyou Upper drainage of Joe Creek 1677 Comment
  UC1148967  Luzula parviflora Jack Major, M. Fleschner, and R. Pemble 1966-9-5 Siskiyou along trail from Marble Mountain to Sky High Lake (e of Marble Mountain, Marble Mountains); Marble Mountains, e of Marble Mountain 1975 Comment
  POM210923  Lycium barbarum Louis C. Wheeler 1934-11-4 3356 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  UC163804  Lythrum hyssopifolia Geo. D. Butler 1908-7-16 404 Siskiyou near Yreka Comment
  CAS-BOT-BC344005  Madia elegans Geo. D. Butler 1910-5-27 1413 Siskiyou Near Yreka Comment
  CAS-BOT-BC344013  Madia elegans Elmer I. Applegate 1923-9-7 3782 Siskiyou Mouth of Doggett Creek, Klamath River Comment
  CAS-BOT-BC344017  Madia elegans W. R. Dudley 1899-8-27 s.n. Siskiyou Sisson - near Fish Pond Comment
  CAS-BOT-BC344542  Madia exigua L. E. Smith 1913-6-12 353 Siskiyou Sulloway Creek Comment
  CAS-BOT-BC343436  Madia gracilis Wm. Bridge Cooke 1938-7-15 11174 Siskiyou Mt. Shasta 1524 Comment
  SBBG30618  Madia gracilis D. Myrick 1968-6-25 2008 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk 1524 Comment
  RSA237498  Madia gracilis subsp. gracilis Frederick W. Oettinger 1968-9-9 805 Siskiyou Salmon Mountains; the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area: between Lower Pond and Tobacco Lake, over a ridge 1921 Comment
  RSA120923  Madia minima Milo S. Baker 1957-6-16 13109 Siskiyou Scott Mountains Comment
  RSA452624  Mahonia nervosa L. C. Wheeler 1934-6-29 2822 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  SJSU6537  Maianthemum racemosum R. W. Trivelpiece 1973-6-28 161 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi W of Callahan 2042 Comment
  HSC18917  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1968-6-18 173 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC512762  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1923-5-20 11870 Siskiyou Shasta Springs Comment
  CAS-BOT-BC514188  Maianthemum stellatum Mabel E. Stonehouse 1916-6-17 s.n. Siskiyou Hilt Comment
  RSA237945  Maianthemum stellatum Frederick W. Oettinger 1968-8-6 428 Siskiyou SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CHSC75681  Malacothrix clevelandii Vernon H. Oswald; Lowell Ahart 1999-7-5 9795 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. 914 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
  HSC46146  Malva neglecta J. P. Smith, Steve Selva 1970-7-17 4440 Siskiyou 915 Comment
  UCR143037  Marsilea vestita L. C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mtns., Shasta River, 2 miles below Yreka Creek 671 Comment
  HSC76712  Melica bulbosa K. T. Stillman 1976-7-30 344 Siskiyou Marble Mtn. Wilderness Area, Upper Marble Valley. 1829 Comment
  CAS-BOT-BC282073  Melica fugax John Thomas Howell 1937-7-21 13155 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  UC165450  Melica fugax Geo. D. Butler 1910-4-30 1251 Siskiyou Yreka Comment
  HSC26150  Melica stricta J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5691 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC30607  Melica subulata Frederick W. Oettinger 1969-8-16 1394 Siskiyou Marble Mtn. Wilderness Area, SW of Wiregrass Meadow above English Lake. 1677 Comment
  CAS-BOT-BC264198  Melica subulata Doris K. Kildale 1928-7-4 5468 Siskiyou 3 miles west of summit of divide between Sawyers Bar and Etna 1524 Comment
  UC1714375  Mentha aquatica Louis C. Wheeler 1934-9-22 3299 Siskiyou Klamath River Walker (Walker); Siskiyou Mts., Klamath River 518 Comment
  JEPS63470  Mentha canadensis Willis L. Jepson Jul 24 1894-Aug 10 1894 14917 Siskiyou Sisson; Upper Sacramento, Sisson Comment
  SFV2373  Mentzelia albicaulis A. I. Richardson 1961-6-8 16 Siskiyou Big Springs Road, north of junction with Highway 97. 915 Comment
  HSC15838  Mentzelia laevicaulis R. C. Wunner 1965-8-21 447 Siskiyou Lava Beds National Monument, Canby Cross area 1220 Comment
  POM83506  Mentzelia laevicaulis Geo. D. Butler 1910-7-17 1789 Siskiyou Dry land near Yreka. Comment
  RSA59505  Mentzelia veatchiana E. K. Balls 1950-5-16 14709 Siskiyou Caldwell Butte, east slope, near base. Lava Beds National Moneument Comment
  CAS-BOT-BC428545  Micranthes aprica G. J. Muth 1969-8-10 1323 Siskiyou Ridge w. of Boulder Peak Comment
  CAS-BOT-BC428980  Micranthes ferruginea Geo. D. Butler 1908-8-9 24 Siskiyou Marble Valley Comment
  UC56720  Micranthes marshallii Harley P. Chandler 1901-6-25 1613 Siskiyou Upper Cottei Valley, near Haypress Mdw; W Siskiyou Co.) near Marbler Mountain Comment
  LA208999  Micranthes tolmiei Wm. Bridge Cooke; 1939-7-13 Siskiyou Mount Shasta, N side of Red Butte 2499 Comment
  HSC40236  Microsteris gracilis J. P. Smith 1976-5-5 8672 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  JEPS43775  Mimulus alsinoides Sandy Holloway 1963-4-11 35 Siskiyou head of spring that runs by Indian campground; Clement's Ranch 762 Comment
  UC618712  Mimulus breweri W. Bridge Cooke 1938-7-15 11240 Siskiyou Wagon Camp Mount Shasta Comment
  SBBG25929  Mimulus guttatus D. Myrick 1966-8-9 1514 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  RSA211429  Mimulus guttatus William J. Ferlatte 1966-8-17 401 Siskiyou Northwest side of Caribou Mountain. 1982 Comment
  SEINET8383461  Mimulus guttatus L. E. Detling 1947-6-3 6082 Siskiyou Elk Cr., 1 1/2 mi. s.e. of Happy Camp. Comment
  JEPS74148  Mimulus inodorus J. M. Tucker with D. V. Hemphill 1974-7-27 4305 Siskiyou Haypress Meadows Marble Mts. Wilderness Area, Haypress Creek 1463 Comment
  UC637085  Mimulus inodorus Edward Lee 1934-8-12 1042 Siskiyou tributary Klamath River (mouth of creek, e end of valley); Seiad Valley, Walker Creek 426 Comment
  POM43896  Mimulus layneae Edward Palmer 1892-7-28 2603 Siskiyou Near Edgewood. Comment
  UCR37819  Mimulus lewisii K. T. Stillman 1976-7-22 293 Siskiyou Marble Mountain Wilderness Area Comment
  UC125269  Mimulus microphyllus Harley P. Chandler June 1901 1694 Siskiyou near Marble Mountain; North Coast Ranges 1524 Comment
  UC1586883  Mimulus moniliformis Juha Pykala and D. H. Norris 1987-6-26 2107 Siskiyou 0-3 km below Bear Lake (above Bear Creek); Marble Mountain Wilderness Comment
  UC61040  Mimulus moniliformis W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mt. Shasta Comment
  RSA211451  Mimulus moschatus William J. Ferlatte 1966-8-3 282 Siskiyou Josephine Lake basin. 1921 Comment
  SFV3392  Mimulus moschatus J. M. Tucker, L. K. Mann 1963-7-4 3690 Siskiyou Beside road from Etna to Sawyer's Bar, about 4.7 miles (by road) from southwest Etna. Comment
  UC164053  Mimulus nanus var. nanus Geo. D. Butler 1909-7-15 928 Siskiyou Highland Mine Comment
  UC445180  Mimulus pilosus Dr. E. B. Copeland 1903-8-18 3830 Siskiyou Mt. Eddy 2286 Comment
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Sep 16 2010
  HSC22474  Mimulus primuloides J. O. Sawyer 1969-7-11 1337 Siskiyou S Sugar Creek 1829 Comment
  HSC36560  Mimulus primuloides J. O. Sawyer 1969-8-5 1732 Siskiyou W of Little Duck Lake 2073 Comment
  SDSU5486  Mimulus primuloides D. F. Howe 1964-8-4 3930 Siskiyou Medicine Lake, probably Shasta or Modoc National Forest. 2012 Comment
  JEPS82494  Mimulus primuloides subsp. primuloides Gilbert Muth 1965-8-3 156 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  HSC101476  Mimulus primuloides var. linearifolius J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12991 Siskiyou Along State Route 3 (Scott Mountain Road) southeast of Callahan. 1334 Comment
  JEPS4670  Mimulus pulsiferae Milo S. Baker 1893-6 Siskiyou 6 mi below (w of) Bartles; McCloud River Comment
  UC1229783  Mimulus pulsiferae Francia Chisaki and Gene B. Newcomb 1958-6-21 1150 Siskiyou n McCloud (on road to Ice Caves); Squaw Valley Creek 1158 Comment
  JEPS77494  Mimulus tricolor Susan Horner 1978-6-30 400 Siskiyou about 4 mi sse Hambone (on road between 40NO5 and Sand Flat Well, vernal flat below road) Comment
  CAS-BOT-BC174699  Minuartia howellii R. C. Barneby 1954-5-16 11523 Siskiyou 7 mi. n.-e. of Fort Jones 1005 Comment
  RSA11895  Minuartia nuttallii subsp. fragilis Elmer I. Applegate 1923-8-18 3864 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2439 Comment
  CHSC71571  Minuartia nuttallii subsp. gregaria Vernon H. Oswald; Lowell Ahart 1998-8-3 9450 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 1.2 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. On slope below the road. 1767 Comment
  HSC69047  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-7 2342 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  CAS-BOT-BC181110  Minuartia nuttallii var. gregaria C. L. Hitchcock; J. S. Martin 1939-7-7 5279 Siskiyou 1/2 mile below Sanger Peak Lookout 1524 Comment
  SEINET5336978  Minuartia pusilla G. Butler 1910-4-23 1232 Siskiyou Quartz Valley Comment
  HSC92010  Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1979-6-16 4869 Siskiyou Along SR 3, 2.2 mi. N of Scott Mtn. Pass 1341 Comment
  SEINET4856155  Minuartia stolonifera Unknown 1985-6-19 7839 Siskiyou Along south side of State Rt. 3, 3.1 m N of Scott Mountain Pass. 1220 Comment
  JEPS61326  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou Hill e of Yreka Comment
  SEINET843661  Mirabilis greenei Rachel Levin 1998-1 98- 4 -B Siskiyou On Copco Rd, 2.4-5 mi from junction with I-5. As head east towards the Copco Dam, plants on left side of road. Comment
  CAS-BOT-BC229601  Mirabilis greenei Lester Rowntree 1935-1-1 s.n. Siskiyou Scott River Road Comment
  POM68863  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  JEPS1215  Mitella caulescens Freed Hoffman 1951-7-11 4034 b Siskiyou Hammond's Stock-raising Camp Marble Mountains, Kelsey Creek (about 8 mi above Scott River, w Siskiyou Co.) 1524 Comment
  UC165271  Mitella diversifolia Geo. D. Butler 1908-7-20 224 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  RSA238321  Mitella pentandra Frederick W. Oettinger 1968-8-8 376 Siskiyou Midway between Diamon Lake and Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2012 Comment
  JEPS25622  Moehringia macrophylla Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7256 Siskiyou Poker Flat 1536 Comment
  RSA120862  Monardella odoratissima H. K. Wagnon 1957-8-11 1702 Siskiyou East slope of Mt. Shasta ca. 1 mile west of Military Pass Road, along road to Brewer Creek Comment
  RSA12493  Monardella odoratissima subsp. glauca Carl B. Wolf 1934-7-4 5944 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  UC618682  Monardella odoratissima subsp. pallida W. Bridge Cooke 1938-8-21 11544 Siskiyou Horse Camp Flats, Mount Shasta Comment
  CAS-BOT-BC26176  Monardella ovata H. E. Brown 1897-6-1 381 Siskiyou near Sisson 1082 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
  HSC48340  Montia chamissoi Maralyn O'Meara 1974-5-25 414 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  UC166061  Montia dichotoma Geo. D. Butler 1909-3-23 677 Siskiyou flats e of Oro Fino Comment
  UC1101399  Montia fontana Herbert L. Mason 1948-7-18 13625 Siskiyou Grass Lake Comment
  CAS-BOT-BC445110  Montia linearis L. E. Smith 1913-4-22 94 Siskiyou Yreka Comment
  HSC60815  Montia linearis Ruby Van Deventer 1959-7-8 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC267053  Muhlenbergia filiformis Arthur Menzies 1962-6-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy 1706 Comment
  RSA239108  Muhlenbergia filiformis Frederick W. Oettinger 1969-8-22 1492 Siskiyou Horse Hole pond, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UCD86593  Muhlenbergia filiformis Beecher Crampton 1956-8-21 3817 Siskiyou south slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UCD86974  Muhlenbergia richardsonis R. Tofsrud 1950-7-1 s.n. Siskiyou Hwy. 97, between Cougar and Macdoel. Comment
  HSC64814  Nasturtium officinale J. P. Smith, Steve Selva 1970-6-15 3909 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UC1409297  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou drying meadows nw Upper English Lake (High Lake basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, Upper English 1950 Comment
  UC880876  Nemophila heterophylla Louis C. Wheeler 1935-6-1 3538 Siskiyou Yreka Creek , Yreka Creek (Siskiyou Mts.) 853 Comment
  UC1258446  Nemophila parviflora var. austiniae Maralyn A. Renner 1980-7-23 1824 Siskiyou near ridge about 1 mi e Cook and Green Pass (Pacific Crest Trail, Klamath National Forest); Seiad Valley Quad., Klamath National Forest 1752 Comment
  POM65375  Nemophila parviflora var. austiniae H. P. Chandler 1901-06 1649 Siskiyou Marble Mountains. 2287 Comment
  HSC77069  Noccaea fendleri subsp. glauca K. T. Stillman 1976-6-26 113 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  RSA126565  Nothocalais troximoides M. H. Mitchell 1936-5-8 3 Siskiyou Close to Schonchin Butte, Modoc Lava Beds National Monument 1372 Comment
  RSA181897  Nothochelone nemorosa Freed W. Hoffman 1950-7-11 3494 Siskiyou Cedar Camp Rd, 30.1 miles from Klamath Highway. (western Siskiyou Co.) Comment
  UCD110211  Notholithocarpus densiflorus R. Tofsrud; J. M. Tucker 1948-8-3 1775 Siskiyou 6.7 miles (by road) below summit of Happy Camp-Waldo (Oregon) road. Comment
  UC61691  Oenothera elata subsp. hirsutissima Geo. B. Grant September 1902 5225 Siskiyou Sisson Mt. Shasta 914 Comment
  UC1167562  Olsynium douglasii var. douglasii Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 233 Siskiyou on US Hwy 99 4.5 mi n Yreka city limits 914 Comment
  CDA7549  Onopordum acanthium T. C. Fuller, Bill Huse 1959-7-13 2748 Siskiyou Jack Crawford Ranch, Tulelake. 0 Comment
  CDA7576  Onopordum tauricum T. C. Fuller 1960-6-3 4648 Siskiyou F. Voelker property, west edge of Meiss Lake Basin just south of Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  HSC60899  Oreostemma alpigenum var. andersonii Al Hobart Siskiyou Black Butte Comment
  JEPS109703  Oreostemma alpigenum var. andersonii Dean W. Taylor 2002-7-20 18264 Siskiyou Forest Road 17 ca. 6 miles west (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  CAS-BOT-BC499826  Orobanche corymbosa subsp. corymbosa Peter H. Raven 1956-8-11 10066 Siskiyou 9.6 mi S of turnoff to Bray on US Hwy \97 Comment
  UC1028684  Orobanche uniflora subsp. occidentalis Herbert L. Mason 1947-5-17 14774 Siskiyou Summit of Scott Mountain grade. Trinity-Siskiyou Counties. Comment
  HSC19212  Orthilia secunda J. O. Sawyer 1968-9-13 717 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC60914  Orthilia secunda Al Hobart Siskiyou Black Butte Comment
  RSA0083194  Orthilia secunda E. K. Balls 1949-7-10 13962 Siskiyou 8.6 miles from Sawyers Bar on way to Cecilville. 762 Comment
  CAS-BOT-BC105080  Orthocarpus cuspidatus R. C. Wenk 2008-7-24 937 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge S of the lake 1981 Comment
  JEPS3005  Orthocarpus cuspidatus subsp. copelandii R. P. Allen 1951-6-24 Siskiyou slopes Lake Mountain (northern end of the Marble Mountains); northern end Marble Mountains, slopes of Lake Mountain 1828 Comment
  RSA123541  Orthocarpus cuspidatus subsp. copelandii G. D. Barbe 1955-7-26 291 Siskiyou Northwest shoulder of Scott Mtn. 2012 Comment
  POM42527  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1910-6-19 1584 Siskiyou Goosenest Foothills. 1524 Comment
  UC903488  Orthocarpus cuspidatus subsp. cuspidatus Dorothy Parker 1948-7-11 101 Siskiyou near Beswick (Shovel Creek); , near Beswick 1011 Comment
  UC110977  Orthocarpus pachystachyus H. E. Brown Jun 1-15 1897 449 Siskiyou n side Mt. Shasta Comment
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Jun 23 2016
  HSC4880  Osmorhiza berteroi J. O. Sawyer 1968-7-10 456 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC77120  Osmorhiza berteroi K. T. Stillman 1976-8-7 360 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  RSA47609  Osmorhiza berteroi Roxana S. Ferris, Laura Lorraine 1948-6-16 11821 Siskiyou East fork of Scott River drainage, Parker Ranch, Plowmans (Noyes) Valley 1204 Comment
  UC1034599  Osmorhiza berteroi Douglas Barbe 1955-6-30 58 Siskiyou 0.7 mi nw Forest Glen; Klamath Mountains, Etna 944 Comment
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Jul 23 2013
  JEPS84040  Osmorhiza occidentalis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6409 Siskiyou ca 5 mi n town of Seiad Valley (cirque at head of canyon); Hell's Canyon 1750 Comment
  UC1731286  Packera cana Dean Wm. Taylor with Joe Molter 1998-6-17 16558 Siskiyou base of hillslopes 3 mi s of Gazelle (bordering Shasta Valley, Scott Mountains); Klamath Region, Scott Mountains 1036 Comment
  UCSC004606  Panicum acuminatum var. fasciculatum Randall Morgan 2004-5-31 4179 Siskiyou Castle Crags State Park, Sacramento River, Middle Creek Comment
  HSC60893  Panicum capillare Ken Stillman 1976-8-24 439 Siskiyou Along the Klamath River at Williams Point 366 Comment
  RSA211097  Parnassia californica William J. Ferlatte 1966-8-19 434 Siskiyou Kidd Creek Trail. 1829 Comment
  CHSC78534  Parnassia cirrata var. cirrata Vernon H. Oswald 2000-8-28 9954 Siskiyou East border of Kangaroo Lake. 1853 Comment
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May 8 2007
  RSA202366  Parnassia fimbriata J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek ca. 1/2 mile NE of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1921 Comment
  HSC62026  Parnassia fimbriata Al Hobart 25 Sep [year missing] Siskiyou Preston Peak 1677 Comment
  CAS-BOT-BC175606  Parnassia palustris Wm. Bridge Cooke 1939-8-24 13898 Siskiyou Throughout the area of Squaw Valley Creek meadows Comment
  CAS-BOT-BC175609  Parnassia palustris William A. Dayton 1913-9-15 599 Siskiyou Shasta National Forest. E. Fk. of Scott River Range 1676 Comment
  RSA1654  Paxistima myrsinites C. B. Wolf 1930-10-22 1751 Siskiyou 3 miles S of Mt. Shasta City. Comment
  RSA237257  Paxistima myrsinites Frederick W. Oettinger 1969-8-7 1281 Siskiyou Margin of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA237270  Paxistima myrsinites Frederick W. Oettinger 1969-8-1 1137 Siskiyou Between English Lake and Wire Grass Meadow. English Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC806  Pedicularis bracteosa var. flavida William J. Ferlatte 1967-7-25 725 Siskiyou Caribou Basin 1982 Comment
  HSC639  Pedicularis densiflora William J. Ferlatte 1967-6-30 596 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  SFV8542  Pedicularis groenlandica J. M. Tucker, D. V. Hemphill 1974-7-26 4293 Siskiyou Marble Mountain Wilderness Area. Let 'Er Buck Meadows. About 0.5 miles southeast of Haypress Meadows. 1433 Comment
  HSC47102  Pedicularis howellii J. O. Sawyer, K. Stillman 1978-7-6 3300 Siskiyou Along Happy Camp- O'Brien Rd., 0.5 mi. S of summit and S of Louse Creek 1280 Comment
  HSC49937  Pedicularis howellii G. L. Clifton 1979-7-1 6198 Siskiyou Near Poker Flat, close to the town of Happy Camp 1653 Comment
  HSC66245  Pedicularis howellii Maralyn A. Renner 1980-7-28 2183 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  HSC66251  Pedicularis howellii Maralyn A. Renner 1980-8-31 2639 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  HSC699  Pedicularis racemosa William J. Ferlatte 1967-8-23 1101 Siskiyou Head of Kidd Creek 1982 Comment
  RSA749256  Pedicularis racemosa var. racemosa K. M. Meyer, A. Townesmith 2007-7-31 181 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy 97. 1607 Comment
  CAS-BOT-BC67678  Pellaea brachyptera Lincoln Constance; Reed C. Rollins 1942-5-14 2933 Siskiyou Klamath - Siskiyou Region - Shasta River 6 miles north of Yreka. 762 Comment
  CAS-BOT-BC67682  Pellaea brachyptera Alice Eastwood 1912-8-30 2092 Siskiyou Mount Eddy Comment
  POM301725  Pellaea brachyptera Marion Ownbey, D. H. Brown 1941-6-22 2424 Siskiyou West of Craggy Mountain, northwest of Yreka Comment
  UC1874952  Pellaea brachyptera Ruth Kirkpatrick 2003-8-1 1176 Siskiyou 7 air mi NNE of Seiad Valley. Along Seiad Creek Road (FS Road 48N20). East Fork of Seiad Creek. 1 air mile W of Copper Butte. 1396 Comment
  UCR208061  Pellaea brachyptera L. C. Wheeler 1934-8-15 3157 Siskiyou Siskiyou Mtns., East Fork Horse Creek 1524 Comment
  SBBG22539  Penstemon anguineus C. B. Hardham 1961-6-30 7999 Siskiyou near Mud Spring Comment
  UC1190133  Penstemon anguineus Ira L. Wiggins 1955-7-24 13490 Siskiyou ridge betw upper reaches of China and Blind Horse Creek; upper reaches of China and Blind Horse Creeks 1493 Comment
  UC1212563  Penstemon anguineus Francia Chisaki, Helen K. Sharsmith 1959-8-20 4741 Siskiyou slopes of Etna Creek near junction with Mill Creek Inner North Coast Ranges, Etna Creek, nr Mill Creek (about half way between Etna and summit of grade) 1219 Comment
  UC1238940  Penstemon anguineus Freed W. Hoffman 1950-7-13 3492 Siskiyou 1.1 mi ne Baldy Lookout (western Siskiyou County); North Coast Ranges, ne of Baldy Lookout Comment
  UC1238944  Penstemon anguineus Freed W. Hoffman 1948-7-8 2585 Siskiyou Waldo-Happy Camp Road n West Branch Camp (western Siskiyou County); North Coast Ranges, n of West Branch Camp Comment
  CAS-BOT-BC6574  Penstemon anguineus Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  POM234400  Penstemon davidsonii subsp. davidsonii Alice Eastwood 1912-9-1 2057 Siskiyou Mount Shasta. Comment
  NY591453  Penstemon davidsonii var. davidsonii L. C. Wheeler 1934-8-5 3044 Siskiyou Siskiyou Mountains, Condrey Mountain. 2164.1 Comment
  HSC65576  Penstemon deustus R. White 1977-7-7 110 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  HSC68510  Penstemon deustus Maralyn A. Renner 1980-6-8 825 Siskiyou Slopes N of Moffett Creek 945 Comment
  SBBG26862  Penstemon deustus M. Ownbey, R. Ownbey 1938-7-19 1750 Siskiyou 2.5 mi NW of Dry Lake Lookout, summit of the Siskiyou Mtns Comment
  CHSC99720  Penstemon deustus var. suffrutescens L. P. Janeway 2008-7-24 9489 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. A little over the edge, southeast-facing slope, next to rock outcrop. 2050 Comment
  UC1483496  Penstemon gracilentus J. Sawyer and J. Cole 1980-7-21 3882 Siskiyou near Haight Mtn. (along F.S. rd running ssw); Klamath National Forest, Bray Quad. 1938 Comment
  NY600717  Penstemon gracilentus E. K. Balls 1952-10-12 18181 Siskiyou 7.2 miles southwest of boundary of Lava Beds National Monument on road from Indian Well Ranger Station to Tennant. 1066.8 Comment
  RSA309615  Penstemon gracilentus Walter Wisura 1983-9-16 3936 Siskiyou 4.7 mi W of western boundary of Lava Beds Nat'l Mon., along road to Tennant. Comment
  RSA78992  Penstemon gracilentus E. K. Balls, Percy C. Everett 1952-10-12 18181 Siskiyou 7.2 miles SW of boundary of Lava Bed Nat'l Monument on road from Indian Well Ranger Station to Tennant. 1067 Comment
  HSC20972  Penstemon humilis subsp. humilis R. C. Wunner 1965-6-10 143 Siskiyou Lava Beds National Monument, Caldwell Butte above Caldwell Minor 1463 Comment
  UCR24850  Penstemon laetus John C. Roos 1948-9-2 3974 Siskiyou 6 mi SW of Yreka 1300 Comment
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Aug 13 2007
  HSC61125  Penstemon laetus subsp. sagittatus Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat 1067 Comment
  JEPS107410  Penstemon laetus var. sagittatus Lowell Ahart, John Dittes 2005-6-9 12029 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS128  Penstemon laetus var. sagittatus Ruby Van Deventer 1938-7-31 196 Siskiyou trail to Twin Valley from Poker Flat; trail to Twin Valley from Poker Flat 1249 Comment
  JEPS8387  Penstemon laetus var. sagittatus Rimo Bacigalupi with L. R. Heckard, George Bacigalupi Jr., and Ruth D. Sanderson 1952-6-18 3741 Siskiyou on forest road to Mt. Hebron 17 mi e Montague (along Little Shasta River, near Panther Creek Guard Station); along Little Shasta River, rd to Mt. Hebron, e of Montague 1280 Comment
  NY604554  Penstemon laetus var. sagittatus K. A. Vincent 1987-6-28 4443 Siskiyou Cascade Range, Mount Shasta; on lava flow between Mount Shasta and Whaleback, along Andesite - Military Pass Road, ca. 1 mile southeast of jct. US 97, ca. 14.4 miles northeast of jct. US 97 & I-5 Bus. Loop in Weed. 1432.6 Comment
  RSA401782  Penstemon newberryi Louis C. Wheeler 1935-6-27 3605 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  UCD124305  Penstemon newberryi Dean William Taylor 1972-7-3 s.n. Siskiyou near Little Duck Lake. Comment
  RSA238833  Penstemon newberryi subsp. newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  CAS-BOT-BC239331  Penstemon newberryi var. berryi R. E. Frenkel 1965-6-14 952 Siskiyou On Everitt Memorial Highway near Mount Shasta 1524 Comment
  JEPS7254  Penstemon newberryi var. berryi Leonard Joss 1922-1 Siskiyou Etna Mills Comment
  UC1408780  Penstemon newberryi var. newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Tom's Lake region Salmon Mountains, Marble Mountain Wilderness Area (Bear Meadow, Marble Mountain Wilderness Area, High Lake Basins in vicinity of English Peak, Salmon Mountains, western Siskiyou County) 2171 Comment
  UC144614  Penstemon newberryi var. newberryi A. A. Heller 1905-6-16 8048 Siskiyou near Sisson; near Sisson Comment
  UC61195  Penstemon newberryi var. newberryi W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  HSC74931  Penstemon parvulus J. P. Smith, Jennifer Whipple 1978-7-2 9974 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UCR45385  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6168 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC19131  Penstemon parvulus J. O. Sawyer 1969-7-2 1036 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  RSA50199  Penstemon parvulus E. K. Balls 1949-7-8 13905 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mtn. 1738 Comment
  CAS-BOT-BC94468  Penstemon procerus R. C. Wenk 2005-7-19 330 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  NY639254  Penstemon procerus var. formosus H. P. Chandler 06 1901 1639 Siskiyou Near Marble Mountain 2133.6 Comment
  UC2046559  Penstemon purpusii William J. Ferlatte 1974-7-15 1537 Siskiyou Yellow Rose Mine Trail Comment
  HSC45203  Penstemon rupicola J. O. Sawyer, E. Cope 1977-6-20 2976 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  RSA60882  Penstemon shastensis Frank W. Gould 1938-6-28 486 Siskiyou Near and north of Mt Shasta (where Hwy 97 crosses Butte Creek). 1418 Comment
  UC887340  Penstemon speciosus Alice Eastwood 1912-7-17 1205 Siskiyou Sisson Comment
  UCR52566  Perideridia oregana Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC142703  Phacelia cookei W. B. Cooke; V. G. Cooke 1972-6-30 45419 Siskiyou Military Pass Road, Mt. Shasta. In margins of road. 1524 Comment
  HSC69519  Phacelia corymbosa Maralyn A. Renner 1980-6-26 1289 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CHSC57430  Phacelia greenei L. P. Janeway 1984-6-22 867 Siskiyou Ca 1 mi north of Scott Summitt on Road 40N08. 1645 Comment
  RSA75594  Phacelia greenei Albert M. Vollmer, L Beane 1951-5-31 s.n. Siskiyou Scott Mountain. Comment
  UC796610  Phacelia greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11718 Siskiyou Schoolhouse Hill e. fork of Scott River, Plowman's Valley (Noyes Valley) Comment
  POM73592  Phacelia heterophylla subsp. virgata Geo. D. Butler 1910-5-7 1300 Siskiyou Near Yreka. Comment
  UC1540000  Phacelia linearis M. Mitchell 1936-5-14 19 Siskiyou Captain Jack's Stronghold Lava Beds National Monument 1554 Comment
  UC1426027  Phacelia mutabilis Frederick W. Oettinger 1968-8-16 546 Siskiyou on mountain due n Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1981 Comment
  HSC75096  Phacelia pringlei J. P. Smith, Thomas W. Nelson 1979-6-15 10118 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  UC909517  Phacelia pringlei Ira L. Wiggins 1950-5-28 12385 Siskiyou ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  HSC75108  Phacelia pringlei J. P. Smith, Thomas W. Nelson 1979-6-16 10138 Siskiyou Klamath National Forest; S.R. 3, 2.7 miles from the Scott Mtn.summit 1341 Comment
  HSC67964  Philadelphus californicus J. P. Smith 1976-5-22 8790 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  CAS-BOT-BC77408  Philadelphus lewisii C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  CAS-BOT-BC77422  Philadelphus lewisii Doris K. Kildale 1928-7-3 5429 Siskiyou Forks of Salmon, Salmon River Comment
  CAS-BOT-BC77426  Philadelphus lewisii Louis C. Wheeler 1934-7-16 2910 Siskiyou Klamath National Forest, Oak Knoll R.S. 670 Comment
  CAS-BOT-BC77433  Philadelphus lewisii L. B. Kildale 1929-6-25 8361 Siskiyou Klamath River, 6 miles north of Hornbrook Comment
  CHSC57434  Philadelphus lewisii L. P. Janeway 1984-6-21 858 Siskiyou Garvey Bar, south side of Klamath River just east of Humbug Point. On flat above river. 594 Comment
  UC11453  Philadelphus lewisii M. A. Howe Jul 24 1894-Aug 10 1894 Siskiyou river bank near Sims; Region of the Upper Sacramento Comment
  UC483998  Philadelphus lewisii Carl B. Wolf 1930-10-23 1759 Siskiyou along river 1 mi above Hamburg; Klamath River 243 Comment
  UCSB13234  Philadelphus lewisii Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek; 4.5 miles west of Seiad 411 Comment
  RSA0058052  Philadelphus lewisii Frederick W. Oettinger 1967-6-23 145 Siskiyou Along road ca. 1/2 mi south of Kelly Gulch (Salmon River). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  RSA186328  Phleum alpinum Gilbert Muth 1966-10-16 19 Siskiyou Marble Mountains 1793 Comment
  HSC39779  Phlox adsurgens J. P. Smith, Steve Selva 1970-7-16 4398 Siskiyou Blue Mtn. Comment
  UCD118237  Phlox adsurgens G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3268 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  HSC186  Phlox diffusa William J. Ferlatte 1967-6-29 576 Siskiyou Dorleska Summit 2134 Comment
  HSC4819  Phlox diffusa J. O. Sawyer 1968-9-9 667 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UC30215  Phlox diffusa W. H. Brewer 1862-9-13 1377 Siskiyou Mount Shasta 2438 Comment
  UCD77914  Phlox diffusa Robert E. Preston 2002-6-20 1841 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1946 Comment
  CDA40286  Phlox gracilis T. C. Fuller 1970-5-27 19586 Siskiyou Interstate 5, truck inspection station, Dunsmuir Grade, 4 miles north of Dunsmuir. 0 Comment
  HSC66243  Phlox hirsuta Maralyn A. Renner 1980-6-9 832 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  CAS-BOT-BC294728  Phlox hirsuta Craig Martz 1985-5-22 225 Siskiyou State Route 3, 2.5 miles SW of Laura Ave. in vicinity of Red Gulch. CNDDB Occurrence no. 5. Yreka (Provisional 1984) Comment
  UC643291  Phlox speciosa unknown 1940-6-6 15049 Siskiyou along Castle Lake Road Comment
  RSA104265  Phlox speciosa subsp. occidentalis Elizabeth Sprague 1956-6-3 s.n. Siskiyou 10 miles south of Yreka on Highway 99 Comment
  JEPS42562  Phoradendron juniperinum Geo. M. Pendleton 1917-10-3 5992 Siskiyou Sisson Comment
  CAS-BOT-BC56489  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou Rock Lake, on ridge between Salmon and New Rivers, at extreme head of West Fork of Knownothing Creek 1889 Comment
  CAS-BOT-BC56495  Phyllodoce empetriformis Annie M. Alexander; Louise Kellogg 1949-7-28 5876 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  CAS-BOT-BC56503  Phyllodoce empetriformis J. W. Congdon 1900-8-13 s.n. Siskiyou Mt. Shasta Comment
  CDA5832  Physalis longifolia G. Deal 1967-8-21 Siskiyou A. Beltramo property, Gazelle. 0 Comment
  CAS-BOT-BC60778  Physaria occidentalis Lincoln Constance; Herbert L. Mason; J. F. Davidson; J. M. Tucker 1947-5-17 3199 Siskiyou Summit of northwest spur of Scott Mountain. 1828 Comment
  UC1267076  Picea Dorothy Parker June, 1962 Siskiyou Sugar Creek Siskiyou Mountains, Salmon Mountains 1219 Comment
  CAS-BOT-BC78164  Picea breweriana Roxana S. Ferris; Doris K. Kildale 1928-8-19 (K) 6534 Siskiyou Summit of Divide between English + Hancock Lake - trail to Marble Mt. 2194 Comment
  HSC4814  Picea breweriana J. O. Sawyer 1968-9-28 725 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC4817  Picea breweriana J. O. Sawyer 1968-6-25 309 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC67756  Picea breweriana John Palmer 1980-7-24 578 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69122  Picea breweriana Maralyn A. Renner 1980-8-7 2386 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UCD134303  Picea breweriana Gordon Leppig; T. LaBanca 1998-7-11 921 Siskiyou Klamath National Forest, Duck Lakes Trail. 1158 Comment
  CAS-BOT-BC78156  Picea breweriana J. M. Tucker 1963-7-5 3698 Siskiyou Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar 1615 Comment
  SEINET10530614  Picea breweriana D. V. Hemphill 1968-10-27 Hemphill UMO 107773 Siskiyou Chimney Rock Lake, Klamath National Forest. Forks of Salmon Quadrangle. 1890 Comment
  CAS-BOT-BC73436  Picea engelmannii Dorothy Parker 1962-6-1 s.n. Siskiyou Siskiyou Mountains - Sugar Creek, Salmon Mountains 1219 Comment
  CAS-BOT-BC73399  Pinus albicaulis E. G. Dudley 1901-8-18 s.n. Siskiyou High Peak, north of Jacksons Lake. 2438 Comment
  HSC4808  Pinus albicaulis J. O. Sawyer 1968-7-9 753 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  LA6021  Pinus albicaulis Wm. Bridge Cooke; 1939-8-22 13884 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  UC60967  Pinus albicaulis Geo. B. Grant 1902-9-1 5123 Siskiyou Horse Camp Mount Shasta, Horse Camp 2438 Comment
  CAS-BOT-BC73385  Pinus albicaulis G. A. Coleman 1901-8-16 s.n. Siskiyou Mt. Shasta, on rocky ridge near head of Paulters Creek. 2590 Comment
  HSC1359  Pinus attenuata Geo. D. Butler 1908-8-26 518 Siskiyou Head of Russian Creek, W side of Salmon Mtn. Comment
  POM120194  Pinus attenuata Geo D. Butler 1908-8-26 518 Siskiyou Russian Creek 1220 Comment
  HSC101735  Pinus balfouriana subsp. balfouriana Michael Kauffmann 2013-5-27 12 Siskiyou West ridgeline above Wright Lake 2222 Comment
  CAS-BOT-BC78495  Pinus contorta subsp. murrayana John Thomas Howell 1937-7-25 13470 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS47959  Pinus contorta subsp. murrayana Geo. D. Butler 1908-8-3 519 Siskiyou Log Lake Comment
  CAS-BOT-BC78713  Pinus jeffreyi Gilbert Muth 1966-7-27 457 Siskiyou Marble Gap, Marble Mts. 2042 Comment
  JEPS120218  Pinus jeffreyi Julie Kierstead Nelson with Keli McElroy 2012-8-10 2012 -074 Siskiyou NW side of Gumboot Lake Comment
  CAS-BOT-BC73143  Pinus lambertiana W. R. Dudley 1899-8-9 s.n. Siskiyou South slope of Black Butte, W. of Mt. Shasta. Comment
  RSA24087  Pinus lambertiana C. B. Wolf 1940-12-11 9796 Siskiyou Siskiyou County: Siskiyou Mts, 8 miles above oak Knoll ranger station on road to dry lake lookout. 1524 Comment
  CAS-BOT-BC78954  Pinus monticola Peter H. Raven 1956-9-5 10448 Siskiyou North Fork of Sacramento River 2194 Comment
  CAS-BOT-BC78962  Pinus monticola W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake Comment
  POM281976  Pinus monticola Lyman Benson 1929-3-26 1067 Siskiyou Shoulder of Mt. Shasta near the limit of pine trees. Comment
  RSA624392  Pinus ponderosa L. C. Wheeler 1952-9-17 6936 Siskiyou Unspecified. Comment
  JEPS64473  Piperia colemanii W. L. Jepson 1894-8-4 21280 Siskiyou halfway from Sisson to Horse Camp; Mt. Shasta 1524 Comment
  JEPS101155  Piperia unalascensis Dean W. Taylor 1996-6-18 15700 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  SEINET15345844  Plagiobothrys greenei L. C. Wheeler 1935-5-18 3502 Siskiyou Yreka Creek, Siskiyou Mts. 853 Comment
  HSC82264  Plagiobothrys kingii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5981 Siskiyou Fowler's Campground 1006 Comment
  JEPS68126  Plagiobothrys tenellus George D. Butler 1909-4-13 654 Siskiyou near Yreka Comment
  UC398669  Plantago eriopoda A. A. Heller 1927-8-2 14442 Siskiyou near Gazelle; Shasta Valley Comment
  HSC61842  Platanthera dilatata var. leucostachys Al Hobart 1967-1 Siskiyou Poker Flat 1585 Comment
  HSC21995  Platanthera sparsiflora J. O. Sawyer 1969-8-4 1892 Siskiyou Above S Sugar Lake 2043 Comment
  RSA237640  Platanthera stricta Frederick W. Oettinger 1969-7-17 1050 Siskiyou Inlet to Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CHSC32925  Plectritis congesta James P. Smith; Advanced Plant Taxonomy Class 1973-5-5 6519 Siskiyou Scott Bar along the Scott River. Comment
  CAS-BOT-BC261069  Poa Doris K. Kildale 1929-7-20 8589 Siskiyou Southeast spur of Preston Peak 1950 Comment
  UC1265484  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  UCD90284  Poa annua A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3443 Siskiyou Near Happy Camp. Bank of Klamath River near habitations. Comment
  RSA238339  Poa bolanderi Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1236 b Siskiyou North west of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  CAS-BOT-BC247011  Poa nervosa Alice Eastwood 1921-7-28 10930 Siskiyou Medicine Lake Comment
  RSA239032  Poa nervosa Frederick W. Oettinger 1969-9-4 1666 Siskiyou south side of Tobacco Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA602816  Poa pratensis L. C. Wheeler 1935-6-4 3549 Siskiyou Etna, Scott Valley 899 Comment
  UC167209  Poa rhizomata Geo. D. Butler 1910-4-21 1206 Siskiyou Kidder Creek Comment
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Jan 27 2015
  SEINET10659378  Poa scabrella A. Arthur Heller 1919-6-29 Heller 13402 Siskiyou Near Wagon creek falls, east side of Mt. Eddy in swampy places, the trees Pinus Jeffreyi and P. monticola, the shrubs Salix and Alnus. Comment
  RSA578037  Poa secunda L. C. Wheeler 1935-6-30 3635 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  UCD90327  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3404 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  CAS-BOT-BC243217  Poa secunda subsp. secunda John Thomas Howell 1934-7-4 s.n. Siskiyou SE corner of county Comment
  UC1055818  Poa secunda subsp. secunda Frank W. Gould 1940-5-15 1234 Siskiyou Lower Bull Meadow Goosenest Mt Comment
  CDA32654  Poa secunda subsp. secunda G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2775 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  JEPS40859  Poa wheeleri Paul C. Hutchison 1961-8-2 937 -A Siskiyou between top of ski lift and Panther Meadow; Mt Shasta 2621 Comment
  UCD18948  Podagrostis humilis A. H. Murphy 1954-8-11 54 D Siskiyou Klamath National Forest, U.S.F.S., Round Meadow. 1676 Comment
  UCD52745  Podagrostis humilis Beecher Crampton 1956-8-22 3860 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  RSA126050  Polemonium californicum I. L. Wiggins 1955-7-29 13573 Siskiyou North-facing slope between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  UC939437  Polemonium carneum E. L. Greene 1876-6-5 796 Siskiyou near Yreka; near Yreka Comment
  UC164115  Polemonium micranthum Geo. D. Butler 1910-3-23 1137 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC231357  Polemonium pulcherrimum Wm. Bridge Cooke 1938-9-8 11646 Siskiyou Mount Shasta. North side of Red Butte Comment
  CAS-BOT-BC231353  Polemonium pulcherrimum M. S. Clemens No date on label s.n. Siskiyou Mt. Shasta Comment
  RSA275400  Polygala californica J. O. Sawyer, E. Cope 1977-6-18 2930 Siskiyou along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 Comment
  CAS-BOT-BC170341  Polygala cornuta var. cornuta Wm. Bridge Cooke 1938-7-22 11324 Siskiyou Sisson Southern Trail - Mount Shasta 1371 Comment
  UCD109722  Polygala cornuta var. cornuta K. M. Meyer; A. Townesmith 2007-7-31 177 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 Comment
  UC1045258  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1940-8-2 15403 Siskiyou Bear Springs Meadow Mount Shasta (along road) Comment
  UC375154  Polygonum californicum Geo. D. Butler 1908-7-23 192 Siskiyou dry land near Yreka Comment
  CAS-BOT-BC414601  Polygonum douglasii Peter H. Raven 1956-9-5 10458 Siskiyou North Fork of Sacramento River 2011 Comment
  POM104413  Polygonum douglasii Geo. D. Butler 1908-8-3 185 Siskiyou Log Lake, Shackleford Creek Comment
  UC572801  Polygonum douglasii subsp. douglasii W. Bridge Cooke 1937-8-6 9200 Siskiyou Bear Spring Mt. Shasta 1524 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
  JEPS105006  Polygonum douglasii subsp. johnstonii Dean W. Taylor 1995-6-4 14966 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  JEPS50557  Polygonum douglasii subsp. johnstonii W. L. Jepson 1937-7-30 18539 Siskiyou near Poker Flat (summit of mts.); Siskiyou Mts. 1554 Comment
  JEPS81905  Polygonum douglasii subsp. spergulariiforme Roger Raiche 1982-10-12 20783 Siskiyou near Yreka; Gunsight Peak 1828 Comment
  UC164463  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1908-8-1 188 Siskiyou Forest House Mountain Comment
  RSA598060  Polygonum douglasii subsp. spergulariiforme Louis C. Wheeler 1963-9-2 8331 Siskiyou Siskiyou Mountains. Near Bell Echo Camp, near Young's Valley, Clear Creek. 1402 Comment
  RSA237758  Polygonum phytolaccifolium Frederick W. Oettinger 1969-8-7 1274 Siskiyou SE end of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  HSC27507  Polygonum polygaloides subsp. kelloggii 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
  HSC92959  Polygonum polygaloides subsp. kelloggii Jennifer Whipple 1978-10-6 2421 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC92983  Polygonum sawatchense Jennifer Whipple 1976-7-1 1230 Siskiyou Near Little Crater Lake 2195 Comment
  RSA233674  Polygonum shastense Robert F. Thorne 1969-8-10 38987 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  SD76188  Polygonum shastense Helen V. Witham 1969-10-9 602 Siskiyou on scree, Mt. Shasta 2400 Comment
  UC637168  Polypodium calirhiza Edward Lee 1934-8-13 1056 Siskiyou 4 mi n Happy Camp (Indian Creek); Klamath Nat'l Forest 411 Comment
  UC637175  Polypodium glycyrrhiza Edward Lee 1934-8-11 1034 Siskiyou Walker Creek, a tributary of Klamath River Walker Creek; e end Seiad Valley 609 Comment
  RSA715631  Polypogon monspeliensis L. Ahart, John Dittes 2005-6-9 12003 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  HSC79153  Polystichum imbricans C. J. Thomas 1983-10-1 103 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  HSC79155  Polystichum imbricans C. J. Thomas 1983-10-1 105 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  CAS-BOT-BC76729  Polystichum imbricans subsp. imbricans J. H. Thomas 1949-6-16 953 Siskiyou Klamath National Forest - 1/4 mile north of Beaver Creek Public Camp along Beaver Creek; 5 miles north of junction Comment
  UC812658  Polystichum imbricans subsp. imbricans Louis C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek; Siskiyou Mts. 1584 Comment
  SBBG16155  Polystichum lemmonii E. Bacciu 1961-6-1 Siskiyou Mt Eddy Crk, near Weed 1524 Comment
  UC185240  Polystichum lemmonii Geo. D. Butler 1910-7-12 1756 Siskiyou Schackleford Creek 1371 Comment
  RSA240096  Polystichum munitum Frederick W. Oettinger 1969-8-25 1554 Siskiyou At the little N Fork stream crossing along the new trail that goes from the end of the logging road to the Devil's Canyon Trail. 1220 Comment
  UC1597991  Polystichum munitum Alan R. Smith with Christopher Richard, C. Don MacNeill, and Bernard Stoffel 1993-5-9 2549 Siskiyou ca. 1/2 mi sw Three Sisters (Little Fern Cave, ca. 2 mi along rail to Three Sisters, n side of and immediately adjacent to trail); Lava Beds Nat'l Monument 1341 Comment
  HSC79141  Polystichum scopulinum C. J. Thomas 1983-10-1 93 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  RSA237998  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou N of Pine Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA240075  Potamogeton alpinus Frederick W. Oettinger 1969-8-21 1473 Siskiyou Ethel Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  HSC30478  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-21 1473 Siskiyou Near Ethel Lake, Salmon Mtns. 1738 Comment
  UC637083  Potamogeton foliosus Edward Lee 1934-8-12 1238 Siskiyou near mouth of Walker Creek (s side of Klamath River, e end of Seiad Valley); Klamath River, Seiad Valley 426 Comment
  CDA34728  Potamogeton pusillus var. tenuissimus L. Ahart, John Dittes 2010-7-3 16963 Siskiyou In 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. Comment
  SEINET3893289  Potamogeton richardsonii K. Morris, Conrad; Dunn 1973-6-2 343 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy. 263.; 0 Comment
  CHSC71497  Potentilla biennis Vernon H. Oswald; Lowell Ahart 1998-7-21 9341 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  HSC29382  Potentilla breweri Frederick W. Oettinger 1969-7-13 1000 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1951 Comment
  UC1560738 Image available Potentilla cristae W. J. Ferlatte 1988-8-10 2116 Siskiyou ridge e Cory Peak (rocky swale just e of small pond); China Mt.; China Mt., ridge E of Cory Peak, Siskiyou Co. 2286 Comment
  JEPS44463  Potentilla drummondii Harley P. Chandler June, 1901 1564 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  CAS-BOT-BC142034  Potentilla drummondii Harley P. Chandler 1901-6-1 1564 Siskiyou Ridges and meadows naer Marble Mountain 1828 Comment
  CHSC96708  Potentilla flabellifolia Gordon Leppig; T. LaBanca, L. Arguello 1997-7-27 470 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  HSC18931  Potentilla flabellifolia J. O. Sawyer 1969-8-4 1820 Siskiyou Above Sugar Lake 2134 Comment
  UC618832  Potentilla flabellifolia W. Bridge Cooke 1938-9-8 11626 Siskiyou Springs in the South Gate , Springs in the South Gate (Mount Shasta) Comment
  HSC64680  Potentilla flabellifolia J. O. Sawyer 1977-7-7 3039 Siskiyou Above Josephine Lake 2134 Comment
  UCR45421  Potentilla glandulosa subsp. glandulosa D. H. Norris 1970-5-23 12242 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  UCR37851  Potentilla glandulosa subsp. nevadensis K. T. Stillman 1976-6-26 123 Siskiyou Marble Mountain Wilderness Area, near Bear Lake 1829 Comment
  UC727198  Potentilla gracilis A. A. Heller 1918-7-16 13030 Siskiyou Mt. Eddy 2682 Comment
  CDA26100  Potentilla gracilis subsp. nuttallii T. C. Fuller 1958-6-19 1822 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  HSC90743  Potentilla gracilis var. fastigiata Jennifer Whipple 1976-7-8 1343 Siskiyou SW of Dobkins Lake along drainage into the lake 2317 Comment
  UC574873  Potentilla gracilis var. fastigiata John Thomas Howell 1937-7-23 13343 Siskiyou South Fork of the Salmon River near Big Flat; South Fork Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC540561  Potentilla gracilis var. fastigiata A. A. Heller 1905-6-22 8092 Siskiyou Between Igerna and Weed Comment
  CHSC27758  Potentilla millefolia William Frank 1978-4-1 2 Siskiyou In meadow surrounding inlet of Shasta River into s Lake Shastina, via public fishing access road. 822 Comment
  CAS-BOT-BC143316  Potentilla newberryi Gary Schoolcraft 1984-6-18 1228 Siskiyou On Big Tableland 9 mi. SW of Dorris, CA, 47-2-28 1356 Comment
  UC702909  Primula suffrutescens Lester Rowntree 1937-7-25 Siskiyou Caribou Lakes Comment
  HSC44891  Prosartes hookeri Maralyn O'Meara 1974-5-25 407 Siskiyou Along road to Duck Lakes trail 1402 Comment
  RSA238553  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-18 1422 Siskiyou Local population in wet meadow near spring hole just west of the Horse Range Lake outlet. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  JEPS24783  Prunus virginiana var. demissa Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6791 Siskiyou just sw of Mount Shasta Town ((Sisson) and road to Castle Lake, at junction old Hwy 99) 1036 Comment
  UC1409286  Pseudognaphalium thermale Frederick W. Oettinger 1969-9-4 1638 Siskiyou ne side Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  RSA17670  Pseudoroegneria spicata subsp. spicata Elmer I. Applegate 1935-6-5 9317 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  RSA52432  Pseudostellaria jamesiana Dorothy Parker 1948-6-14 s.n. Siskiyou Rail Creek, Plowman s Valley 1204 Comment
  JEPS48291  Pseudotsuga menziesii var. menziesii W. L. Jepson 1902-7-22 2958 Siskiyou Hamburg to Scott Valley (on Miamber Trail) Comment
  RSA593945  Pseudotsuga menziesii var. menziesii L. C. Wheeler 1963-9-3 8337 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  SEINET10795293 Image available Pseudotsuga taxifolia J. H. Sissons 1879-9-24 Sissons s.n. Siskiyou Comment
  CAS-BOT-BC72682  Pteridium aquilinum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  UC375216  Pterospora andromedea Geo. D. Butler 1908-6-28 21 Siskiyou Quartz Valley Comment
  UCR30818  Pterospora andromedea Lucille Roos 1965-8-10 s.n. Siskiyou Klamath National Forest, Bear Lake, Marble Mountains 1473 Comment
  UCD22429  Purshia tridentata Brian Vanden Heuvel 2003-4-10 190 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. Comment
  HSC99683  Purshia tridentata var. tridentata C. B. Wolf 1927-8-26 1033 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  POM301618  Purshia tridentata var. tridentata Carl B. Wolf 1941-7-26 11076 Siskiyou SW end Little Shasta Valley. 12 miles NE weed on US Hwy 97 at jct with Rd to Montague 915 Comment
  UC140049  Pycnanthemum californicum Copeland 1903-8-12 3837 Siskiyou Sisson Comment
  CAS-BOT-BC460861  Pyrola aphylla Wm. Bridge Cooke 1937-8-13 9217 Siskiyou Mount Shasta. Sisson Southern Trail 1676 Comment
  SBBG30606  Pyrola asarifolia D. Myrick 1968-6-28 2054 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  RSA756945  Pyrola asarifolia R. F. Thorne 1969-8-2 63338 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  JEPS82485  Pyrola crypta Gilbert Muth 1965-8-10 198 Siskiyou Along either trail, Black Mt., Marble Mt 1828 Comment
  JEPS25873  Pyrola dentata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7446 Siskiyou Along Happy Camp - Takilma road, about 2 miles above West Branch Ranger Station, Siskiyou Mountains 670 Comment
  UC2062587  Pyrola dentata Belinda Lo with Alex Randolph-Lowe 2017-8-25 361 Siskiyou SISKIYOU COUNTY: Ash Creek Butte, southwest of Surprise Lake. Comment
  RSA0080483  Pyrola dentata J. B. Feudge 1927-7-22 1727 Siskiyou On trail from Sisson to Mt. Eddy. 1128 Comment
  HSC65567  Pyrola picta Rich White 1977-7-21 131 Siskiyou Slope below outlet of Raspberry Lake 1512 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
  SJSU2586  Pyrola picta H. L. Buckalew 1962-7-6 Siskiyou junction of Indian Cr. & W Branch Indian Cr, Siskiyou Mts Comment
  UC1347200  Pyrola picta John Thomas Howell 1937-7-26 13520 Siskiyou Salmon Trinity Alps, Caribou Basin Caribou Basin; Salmon Trinity Alps, Caribou Basin 1981 Comment
  UC1408767  Pyrola picta Frederick W. Oettinger 1968-8-7 439 Siskiyou just n of Tobacco Lake (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC625499  Pyrola picta Frank W. Gould 1938-6-27 473 Siskiyou 3 mi n of town of Mount Shasta (near highway U.S. 99) 1082 Comment
  CAS-BOT-BC466143  Pyrola picta W. R. Dudley 1893-6-23 s.n. Siskiyou Trail from Castle Crags to Tavern near Sissons Comment
  HSC70458  Pyrrocoma racemosa var. pinetorum J. P. Smith, J. O. Sawyer 1976-9-5 8971 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  JEPS11907  Pyrrocoma racemosa var. pinetorum Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4797 Siskiyou 2.5 mi s and above junction with Gazelle road (along road from Callahan to Carrville on grade over Scott Mt.); Scott Mt. 1371 Comment
  JEPS24007  Pyrrocoma racemosa var. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6868 Siskiyou about 3 mi n (below) Scott Mtn. road summit (on road to Callahan) 1219 Comment
  UC166493  Quercus X morehus Geo. D. Butler 1910-5-16 1351 Siskiyou Yreka Comment
  UCD40474  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1225 -8 Siskiyou Hamburg. 490 Comment
  HSC27242  Quercus garryana J. P. Smith, J. O. Sawyer 1971-9-18 4815 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  JEPS37935  Quercus garryana W. L. Jepson 1907-7-22 2955 Siskiyou Hamburg, w Siskiyou County Klamath River Comment
  SD76160  Quercus garryana Helen V. Witham 1969-10-7 575 Siskiyou Scott River Valley, 10 miles west of Ft. Jones. 700 Comment
  UC164448  Quercus garryana Geo. D. Butler 1910-4-16 1182 Siskiyou Klamath River Comment
  UC767801  Quercus garryana Wm. H. Brewer 1463 Siskiyou valley of Cow Creek Comment
  HSC29146  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-5 703 Siskiyou Marble Mtn. Wilderness Area, slope above English Lake about halfway up to Diamond Lake along trail from English Lake 1890 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
  RSA47633  Quercus garryana var. garryana Roxana S. Ferris, Laura Lorraine 1948-6-12 11846 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  RSA571660  Quercus garryana var. garryana Louis C. Wheeler 1934-10-7 3312 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mtns, Klamath River. 671 Comment
  UCD46071  Quercus garryana var. garryana Frank C. Vasek 1975-6-29 750629 7A Siskiyou 2.3 miles east of Callahan, Siskiyou County, California. Comment
  UCD46691  Quercus kelloggii Frank C. Vasek 1975-6-29 750629 9 Siskiyou 2.3 miles east of Callahan, Siskiyou County, California. Comment
  UCSB13285  Quercus kelloggii Breedlove, Dennis 1962-6-10 Siskiyou North bank of the Klamath River at its junction with Golf Creek, 4.5 miles west of Seiad 411 Comment
  CAS-BOT-BC104366  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Junction Red Rock valley trail and Canyon Creek trail, Marble Mountain Wilderness Area 1341 Comment
  CAS-BOT-BC104369  Quercus sadleriana Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  POM210971  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Jaynes Canyon, Siskiyou Mountains. 1860 Comment
  SEINET3136091  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou Marble Mtn Wilderness Area, jxn Rock Valley trail and Canyon Creek trail; T43 R11W, se corner S7 1341 Comment
  UCD47256  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  CAS-BOT-BC104342  Quercus sadleriana T. Wilton 1980-9-10 126 Siskiyou Kelly Lake, collected from roadside (USFS 18N34, Klamath National Forest), app. 20 feet from trail to Kelly Lake 1316 Comment
  CAS-BOT-BC104634  Quercus vacciniifolia David D. Keck 1938-8-8 4864 Siskiyou Scott Mts., ridge between Mill and Mule creeks, 3 mi SE of Scott Mountain Lodge 1400 Comment
  HSC534  Quercus vacciniifolia William J. Ferlatte 1967-8-17 956 Siskiyou Yellow Rose Mine 1982 Comment
  HSC68452  Quercus vacciniifolia Maralyn A. Renner 1980-7-4 1403 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  JEPS94649  Quercus vacciniifolia Vernon H. Oswald and Lowell Ahart 1998-8-3 9446 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  RSA237820  Quercus vacciniifolia Frederick W. Oettinger 1968-9-8 783 Siskiyou On east side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  UC52256  Ranunculus aquatilis var. capillaceus W. T. Mooney May 1903 Siskiyou Yreka Comment
  JEPS82477  Ranunculus eschscholtzii Gilbert Muth 1966-7-8 355 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  UC827725  Ranunculus eschscholtzii var. suksdorfii John Thomas Howell 1937-7-25 13439 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC827920  Ranunculus occidentalis A. A. Heller 1915-7-18 12118 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  RSA211128  Ranunculus orthorhynchus William J. Ferlatte 1966-6-22 106 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  POM311435  Ranunculus repens D. E. Breedlove 1962-6-10 3330 Siskiyou N bank of the Klamath River at its jct with Goff Creek, 4.5 miles W of Seiad. 412 Comment
  POM268891  Ranunculus uncinatus var. parviflorus Louis C. Wheeler 1934-6-7 2656 Siskiyou North Hungry Creek. 1220 Comment
  JEPS58751  Rhododendron occidentale Willis L. Jepson 1894-8-9 14671 Siskiyou Upper Sacramento Region, Shasta Springs Shasta Springs; Upper Sacramento Region, Shasta Springs Comment
  SJSU6476  Rhododendron occidentale R. W. Trivelpiece 1972-6-18 122 Siskiyou Douglas Cr near Klamath R c. 10 mi SW of Happy Camp 762 Comment
  CAS-BOT-BC200746  Rhus aromatica C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  CAS-BOT-BC92539  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  HSC23686  Ribes binominatum J. O. Sawyer 1971-7-16 2433 Siskiyou Slope NE of Deep Lake 2165 Comment
  JEPS43487  Ribes cereum W. L. Jepson 1940-6-23 20019 Siskiyou near n base Mt. Shasta (Andesite siding on S. P. Railway) 1402 Comment
  UCR70820  Ribes cereum var. cereum M. O'Mera 1974-5-27 471 Siskiyou Along road 47N03. 1646 Comment
  CAS-BOT-BC6178  Ribes glanduliferum Amos Arthur Heller 1905-6-9 8005 Siskiyou Yreka Comment
  UC1034607  Ribes inerme var. inerme Douglas Barbe 1955-6-29 42 Siskiyou 1.8 mi e Callahan (s bank of river); Klamath Mountains, Scott River 975 Comment
  JEPS49408  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek Comment
  JEPS49416  Ribes inerme var. klamathense Geo. D. Butler 1909-4-13 641 Siskiyou near Yreka Comment
  UC1181815  Ribes inerme var. klamathense Dorothy Parker 1950-4-28 407 Siskiyou along Scott River Siskiyou Mountains, Scott Valley 853 Comment
  HSC29431  Ribes lacustre Frederick W. Oettinger 1968-8-6 426 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  JEPS80601  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley Marble Mt. Wilderness Area 1795 Comment
  UC1190178  Ribes lacustre Ira L. Wiggins 1955-7-24 13504 Siskiyou s Mountain View Ranch ((7 mi above Cecilville), train crossing China Creek, above S. Fork of Salmon River); Salmon River 1301 Comment
  RSA0021110  Ribes lacustre Roxana S. Ferris, Laura Lorraine 1948-6-12 11803 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan. 1494 Comment
  CAS-BOT-BC173381  Ribes lobbii Milo S. Baker 1926-7-22 107 -'26 Siskiyou S. Fork Mt. - 5 miles from highway Comment
  RSA0021624  Ribes lobbii Roxana S. Ferris, Laura Lorraine 1948-6-12 11773 Siskiyou About 7 miles from Etna on forks of Salmon Road. 1819 Comment
  CDA25541  Ribes marshallii T. C. Fuller 1958-6-18 1794 Siskiyou At summit of Siskiyou Mountains. 0 Comment
  HSC100867  Ribes montigenum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13063 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  CAS-BOT-BC6179  Ribes nevadaense Alice Eastwood 1893-8-13 s.n. Siskiyou Mt. Shasta Comment
  SEINET3151816  Ribes nevadense G. D. Butler 1910-7-12 1759 Siskiyou Shackleford Creek 1372 Comment
  UC54301  Ribes nevadense H. M. Hall and E. B. Babcock June 1903 4131 Siskiyou Head of McCloud River Sierra Nevada Mountains, Mount Shasta 1524 Comment
  CHSC1664  Ribes roezlii M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  HSC41076  Ribes roezlii J. O. Sawyer 1970-4-3 2051 Siskiyou Robinsons Flat, 4 mi. E of Sawyers Bar 732 Comment
  HSC67786  Ribes roezlii J. O. Sawyer, J. Cole 1980-7-20 3757 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  JEPS82695  Ribes roezlii Wayne Roderick 1984-6-5 Siskiyou ca. 12 air km sw Mt. Shasta city; Castle Lake 1828 Comment
  JEPS86133  Ribes roezlii Wayne Roderick 1956-2 Siskiyou Castle Lake 1676 Comment
  CAS-BOT-BC199983  Ribes roezlii var. cruentum Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC199987  Ribes roezlii var. cruentum Marion Ownbey; Fred G. Meyer 1940-7-6 2197 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain Comment
  CAS-BOT-BC199995  Ribes roezlii var. cruentum Carl B. Wolf 1927-8-26 1068 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  CAS-BOT-BC200000  Ribes roezlii var. cruentum Roxana S. Ferris; Laura Lorraine 1948-6-12 11782 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge 1066 Comment
  JEPS49461  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-11 655 Siskiyou Shasta Retreat Comment
  SBBG27523  Ribes roezlii var. cruentum L. C. Wheeler 1934-6-28 2815 Siskiyou Little Soda Crk, Sterling Mtn 1066 Comment
  UCD33536  Ribes roezlii var. cruentum Beecher Crampton 1969-6-18 8464 Siskiyou Siskiyou County, Quartz Hill, 5 miles west of Fort Jones (direct line), 1.5 miles N.N.W. of Oro Fino. 1219 Comment
  CAS-BOT-BC186290  Ribes roezlii var. roezlii Laura M. Lathrop 1903-7-22 s.n. Siskiyou Shasta Retreat Comment
  HSC65618  Ribes sanguineum var. sanguineum J. P. Smith, Steve Selva 1970-6-16 4078 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  CAS-BOT-BC173902  Ribes velutinum Doris K. Kildale 1929-6-25 8369 Siskiyou 6 miles north of Hornbrook on Klamath River 609 Comment
  UC1127584  Ribes velutinum M. H. Mitchell 1936-5-21 25 Siskiyou Frozen River Cave Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  UC375357  Ribes velutinum Geo. D. Butler 1909-3-28 576 Siskiyou near Yreka Comment
  RSA0020883  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou Near Yreka. Comment
  CAS-BOT-BC168795  Ribes viscosissimum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Wooded slopes near Kidd Cr. 1828 Comment
  HSC27330  Ribes viscosissimum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5667 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC29417  Ribes viscosissimum Frederick W. Oettinger 1968-8-10 467 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; east side of Hancock Lake 1936 Comment
  SEINET200856 Image available Ribes viscosissimum H. P. Chandler 1597 Siskiyou North Coast Ranges; rdiges and meadows near Marble Mountain 2134 Comment
  UC75457  Ribes viscosissimum Milo S. Baker 1899-7-31 Siskiyou Ash Creek, e slope of Mt. Shasta Mt. Shasta Comment
  UC1409439  Rorippa Frederick W. Oettinger 1969-7-29 1096 Siskiyou high lake basins in the vicinity English Peak (Drying area, Dry Lake, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1889 Comment
  JEPS90364  Rorippa columbiae Dean Wm. Taylor Glenn L. Clifton, R. Doug Stone 1987-8-6 9247 Siskiyou White Deer Lake; margin of stock watering pond, extreme ne portion of county 1508 Comment
  RSA26146  Rorippa columbiae J. William Thompson 1936-7-8 s.n. Siskiyou Lava slopes of Lava Beds Nat l Monument. Comment
  CAS-BOT-BC74662  Rorippa curvisiliqua Louis C. Wheeler 1934-7-3 2872 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  CAS-BOT-BC74654  Rorippa curvisiliqua Doris K. Kildale 1928-7-4 5530 Siskiyou 1.5 mile west of summit of divide between Salmon River and Scott Valley. Comment
  UCD115286  Rorippa curvisiliqua Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou along Canyon Creek, northeast of Marble Mountain. 1569 Comment
  UC375305  Rorippa nasturtium-aquaticum Geo. D. Butler 1908-6-23 1057 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC146435  Rosa bridgesii Alice Eastwood 1912-7-20 1247 a Siskiyou Sisson Comment
  SEINET8986557  Rosa eastwoodiae Unknown 1912-1 2100 (15) Siskiyou Sisson, Siskiyou County. Comment
  CAS-BOT-BC146745  Rosa gymnocarpa Alice Eastwood 1923-5-23 11906 Siskiyou Cantara, S.P.R.R. Comment
  HSC61512  Rosa gymnocarpa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  POM140328  Rosa gymnocarpa E. B. Copeland 1903-9-5 3874 Siskiyou Foot of Mt Eddy 1220 Comment
  RSA237818  Rosa gymnocarpa Frederick W. Oettinger 1968-8-17 559 Siskiyou Pine Lake Meadows. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1875 Comment
  CAS-BOT-BC146798  Rosa gymnocarpa var. serpentina Doris K. Kildale 1929-8-24 8844 Siskiyou Preston Peak 2228 Comment
  CAS-BOT-BC147072  Rosa pisocarpa Alice Eastwood 1923-5-23 11936 Siskiyou Cantara, S.P.R.R. Comment
  CAS-BOT-BC6001  Rosa pisocarpa E. B. Copeland 1903-9-8 3875 Siskiyou Mt. Eddy 1463 Comment
  HSC44717  Rosa rubiginosa J. O. Sawyer, E. Cope 1977-6-18 2912 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  CAS-BOT-BC149741  Rosa woodsii subsp. ultramontana Lewis S. Rose 1945-6-18 45136 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC147318  Rubus parviflorus Geo. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC157163  Rubus ursinus Alice Eastwood 1917-9-2 6688 Siskiyou Shasta Springs Comment
  CAS-BOT-BC157167  Rubus ursinus Wm. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail Comment
  JEPS44763  Rubus ursinus Geo. D. Butler 1908-7-4 287 Siskiyou Shasta River below Yreka; Shasta River below Yreka Comment
  CAS-BOT-BC363173  Rudbeckia californica Alice Eastwood 1912-8-30 2047 Siskiyou Mount Eddy Comment
  HSC19446  Rumex acetosella J. O. Sawyer 1969-7-11 1342 Siskiyou Along trail to Sugar Lake 1707 Comment
  OBI48772  Rumex acetosella G. R. Ballmer 1986-5-14 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC433403  Rumex crispus W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34325 Siskiyou Memorial Highway below McBride Springs, Mt. Shasta Comment
  CAS-BOT-BC433407  Rumex crispus L. R. Short 1933-6-16 50 Siskiyou Klamath National Forest. Klamath River 609 Comment
  SEINET516326  Rumex stenophyllus Vernon H. Oswald 1998-9-16 9647 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  CAS-BOT-BC103534  Salix commutata John Thomas Howell 1939-8-7 15125 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  JEPS80493  Salix eastwoodiae Gilbert Muth 1966-7-8 377 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  RSA261430  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 -A Siskiyou Paradise Lake Public Camp. At base of Kings Castle on the E side. Marble Mtn Wilderness Area. 1982 Comment
  POM123883  Salix exigua L. R. Abrams 1922-8-7 9903 Siskiyou Klamath River. 6 miles below Harnbrook. Comment
  CAS-BOT-BC107780  Salix hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flat station, 125 km. north of Red Bluff 450 Comment
  UC576372  Salix jepsonii Mrs. H. P. Bracelin 1937-7-24 872 Siskiyou Webber's Camp Upper Caribou Lake; Trinity Alps 2042 Comment
  HSC69545  Salix lasiandra Maralyn A. Renner 1980-8-6 2237 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  LA208814  Salix lasiandra Mrs. H. P. Bracelin; 1931-6-19 423 Siskiyou NE side of Mount Eddy, about 16 km NW of Shasta City, above Metcalf ranch house 1350.0 Comment
  CAS-BOT-BC125448  Salix lasiandra var. lasiandra Alice Eastwood 1921-7-25 10828 Siskiyou [Bigelows] Bigelow, McCloud River Comment
  CAS-BOT-BC125455  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 429 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City; east of Metcalf ranch house 1200 Comment
  JEPS77667  Salix lasiandra var. lasiandra William J. Ferlatte 1974-7-14 1529 Siskiyou near S. Fork Salmon River Big Flat (banks of river below campground); Trinity Alps 1508 Comment
  CAS-BOT-BC107071  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1500 Comment
  POM219888  Salix lasiolepis H. P. Bracelin 1931-6-19 409 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  CAS-BOT-BC124533  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7850 Siskiyou Cecilville, upper south fork of Salmon River Comment
  CAS-BOT-BC124537  Salix lasiolepis var. lasiolepis Alice Eastwood 1917-9-2 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC124902  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1455 Comment
  UC481717  Salix lemmonii Mrs. H. P. Bracelin 1931-6-20 448 Siskiyou ca. 17 km. n.w. Shasta City (e. side Mt. Eddy, Wagon Creek Canyon ca. 1 km. up from Metcalf ranch house); Mt. Eddy, Wagon Creek Canyon 1170 Comment
  UC481731  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou near hwy. at Flume Creek Camp (Flume Creek - tributuary of Pit River); Flume Creek 555 Comment
  HSC28682  Salix scouleriana Frederick W. Oettinger, R. F. Thorne 1969-8-8 1308 Siskiyou Marble Mtn. Wilderness Area, English Lake 1738 Comment
  RSA201313  Salix scouleriana J. T. Howell 1939-8-6 15102 -A Siskiyou Elk Peak. Marble Mtns. Comment
  UC1409270  Salix scouleriana Frederick W. Oettinger 1969-8-1 1135 Siskiyou above wiregrass meadow <in> English Lake Basin Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1706 Comment
  UC576392  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 859 Siskiyou 11 mi. n.w. from Shasta City (ca. 2 mi. e of Burney Mill, at 2nd. bridge, n. base of Mt. Eddy); Mt. Eddy 1127 Comment
  CDA39589  Salix scouleriana T. C. Fuller 1960-6-3 4616 Siskiyou Four miles north of Harris Springs Guard Station, 14 miles north of Bartle. 0 Comment
  UC164071  Sambucus mexicana Geo. D. Butler 1910-5-29 1425 Siskiyou near Yreka Comment
  SEINET8057832  Sambucus nigra G. D. Butler 1910-5-29 1425 Siskiyou Near Yreka. Comment
  CAS-BOT-BC238878  Sambucus nigra subsp. caerulea John Thomas Howell 1937-7-24 13391 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC1333332  Sambucus racemosa var. microbotrys Dorothy Parker 1949-8-12 364 Siskiyou Duck Lake Creek Siskiyou Mountains, Salmon Mountain (along banks) 1524 Comment
  HSC38874  Sanicula graveolens J. P. Smith 1973-5-5 6491 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC42910  Sanicula graveolens J. O. Sawyer, K. T. Stillman 1976-7-2 2821 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC1034053  Sanicula graveolens W. Bridge Cooke 1941-7-18 16083 Siskiyou below Wagon Camp (near the Bear Springs-Wagon Camp Road, Mount Shasta); Mount Shasta 1706 Comment
  UC106097  Sanicula graveolens Thos. Howell 1889-4-16 1364 Siskiyou Pacific Coast, Hornbrook Hornbrook; Pacific Coast, Hornbrook Comment
  UC1733686  Sanicula graveolens Kay H. Beach, Frank Gould 1940-5-16 635 B Siskiyou in mixed coniferous forest. Summit of Bald Mountain grade about 11 miles west of Mt. Hebron. Comment
  JEPS47520  Saxifraga aprica Harley P. Chandler June, 1901 1675 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  POM142438  Saxifraga aprica Copeland 1903-8-18 3845 Siskiyou Mt. Eddy. Comment
  POM354568  Saxifraga nidifica Christopher Davidson 1975-6-5 2691 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  RSA211110  Saxifraga nidifica William J. Ferlatte 1966-6-22 73 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  JEPS25838  Saxifraga odontoloma Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7452 Siskiyou about 12 mi nw of Happy Camp (above and flanking Poker Flat, along trail to Twin Valley); Siskiyou Mountains 1524 Comment
  UC1409257  Saxifraga odontoloma Frederick W. Oettinger 1968-8-24 629 Siskiyou High Lake Basins in vicinity of English Peak (Tom's Lake, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Tom's Lak 1950 Comment
  JEPS13971  Saxifragopsis fragarioides C. G. Pringle 1882-9-5 Siskiyou cliffs overhanging Castle Lake Comment
  CAS-BOT-BC283653  Schedonorus pratensis John Thomas Howell 1939-8-9 15200 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CHSC78931  Scirpus congdonii 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
  JEPS19774  Scirpus congdonii Rimo Bacigalupi with S. Galen Smith 1957-6-26 5954 Siskiyou springy bog at w end Gumboot Lake (head of South Fork Sacramento River, close to Trinity County line); head of South Fork Sacramento River, w end Gumboot Lake 1859 Comment
  RSA366108  Scirpus congdonii L. C. Wheeler 1934-8-14 3126 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  JEPS63970  Scirpus microcarpus Mrs. B. C. Goldsmith 1916-9-19 24 Siskiyou Sisson Comment
  RSA181616  Scribneria bolanderi Dorothy Parker 1950-6-4 445 Siskiyou Salmon Mt. range. Alt. 6300 feet. Comment
  JEPS11422  Scrophularia lanceolata Geo. D. Butler 1908-8-24 436 Siskiyou Russian Creek at Eldredge Corral 1219 Comment
  UC164350  Scrophularia lanceolata Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  JEPS74476  Scutellaria antirrhinoides W. J. Ferlatte 1966-8-3 266 Siskiyou along the South Fork Salmon River between the campground and Carter's South Fork Salmon River; Trinity Alps, South Fork Salmon River 1524 Comment
  UC163834  Scutellaria antirrhinoides Geo. D. Butler 1908-8-3 179 Siskiyou Log Lake, Shackleford Creek Shackleford Creek; Log Lake, Shackleford Creek Comment
  UC164007  Scutellaria antirrhinoides Geo. D. Butler 1910-7-3 1633 Siskiyou Goosenest Foothills 1219 Comment
  CDA16164  Secale cereale G. F. Hrusa 1998-5-25 14470 Siskiyou Klamath Ranges; +- 1 mi S of Weed, on frontage Rd. along I-5. Common between road & fence, possibly planted. 0 Comment
  JEPS50723  Sedum divergens Al Hobart 1967-8-8 Siskiyou just s Youngs Valley (on steep sides of El Capitan, Siskiyou Mountains, extreme western Siskiyou County); Siskiyou Mountains, El Capitan, s of Youngs Valley 1828 Comment
  CAS-BOT-BC64661  Sedum kiersteadiae Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  RSA0078509  Sedum kiersteadiae E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy. 2134 Comment
  UC571146  Sedum lanceolatum Dorothy Tebbe 1929-6-7 130 Siskiyou rocky hillside at Crater Lake (Mount Eddy); , Crater Lake Comment
  HSC90587  Sedum lanceolatum var. lanceolatum Jennifer Whipple 1976-7-9 1401 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  JEPS121407  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25541 Siskiyou FS Road 1040, 3.7-3.8 road miles (5.9 km) above junction with FS Road 10 at mouth of Carberry Creek, along Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains Comment
  JEPS26913  Sedum laxum subsp. heckneri P. C. Hutchison 1961-5-22 2036 Siskiyou 5.7 mi s Happy Camp (2.7 mi n of Clear Creek on highway US299, w side of Klamath River); w side Klamath River, n of Clear Creek, s of Happy Camp Comment
  JEPS93953  Sedum obtusatum subsp. obtusatum Vernon H. Oswald and Lowell Ahart 1998-8-3 9429 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  HSC69031  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-7-28 2177 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC74917  Sedum obtusatum subsp. retusum J. P. Smith, Jennifer Whipple 1978-7-2 9968 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  HSC19537  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-24 1501 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  HSC19541  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-1 978 Siskiyou SE slope above Paynes Lake Creek 1921 Comment
  CAS-BOT-BC59064  Sedum spathulifolium D. M. Traugh 1933-8-10 25 Siskiyou Klamath National Forest 1889 Comment
  JEPS48039  Sedum stenopetalum W. L. Jepson 1907-7-5 2838 Siskiyou Marble Mt. Marble Mt. (crater) Comment
  RSA641070  Selaginella densa var. scopulorum Louis Cutter Wheeler 1963-8-31 8314 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  CAS-BOT-BC496370  Selaginella scopulorum Louis C. Wheeler 1934-8-3 3036 Siskiyou Big Rock, Dog Fork, Middlehell Creek, Siskiyou Mountains 2090 Comment
  CAS-BOT-BC363426  Senecio aronicoides Alice Eastwood 1921-7-28 10881 Siskiyou Medicine Lake Comment
  RSA0013328  Senecio aronicoides J. P. Smith 1976-5-21 8769 Siskiyou Klamath national Forest, Forest Foad 40N08, 6.9 miles from its junction with State Route 3 1524 Comment
  CHSC71474  Senecio hydrophilus Vernon H. Oswald; Lowell Ahart 1998-7-21 9348 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. In meadow. 1417 Comment
  UCD135530  Senecio hydrophilus Thomas C. Horn 1956-8-6 s.n. Siskiyou west side of Lower Klamath Lake. Comment
  CAS-BOT-BC363945  Senecio integerrimus var. exaltatus Alice Eastwood 1912-7-19 1236 Siskiyou Mount Shasta Comment
  UC166169  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1332 Siskiyou Goosenest foothills Goosenest 1524 Comment
  HSC67865  Senecio integerrimus var. major J. P. Smith 1976-5-5 8676 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  HSC77018  Senecio integerrimus var. major K. T. Stillman 1976-6-25 39 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  JEPS37650  Senecio integerrimus var. major W. L. Jepson 1907-7-5 2839 Siskiyou Marble Mt. Comment
  CAS-BOT-BC364091  Senecio integerrimus var. ochroleucus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1756 Siskiyou Summit of Siskiyou Mts., 2 1/2 miles northwest of Dry Lake Lookout Comment
  CAS-BOT-BC364422  Senecio triangularis Louis C. Wheeler 1934-8-9 3084 Siskiyou Head of Jaynes Canyon, Siskiyou Mts. 1981 Comment
  CAS-BOT-BC364446  Senecio triangularis Doris K. Kildale 1929-8-23 8803 Siskiyou Youngs Valley on trail to Preston Peak Comment
  CAS-BOT-BC364449  Senecio triangularis H. A. Thomas; J. H. Thomas 1954-7-24 4501 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  JEPS82730  Senecio triangularis Wayne Roderick 1983-7-10 Siskiyou near Del Norte County line; Doe Flat 1143 Comment
  CAS-BOT-BC240270  Setaria viridis Dorothy Parker 1948-8-24 88 Siskiyou Garden in Plowman's Valley, East Fork of Scott River 1188 Comment
  HSC44609  Sidalcea malviflora Laura Witherspoon 1977-7-30 Siskiyou Edge of Flint Valley 1341 Comment
  HSC77411  Sidalcea malviflora subsp. celata L. P. Janeway 1983-8-16 548 Siskiyou Poker Flat 1524 Comment
  HSC59012  Sidalcea oregana Marvin Butler 1971-7-21 189 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  RSA105426  Sidalcea oregana subsp. eximia G. D. Barbe 1955-7-1 83 Siskiyou 7 miles north of Callahan at jct. of the Eastside Road and the east-west road crossing Scott Valley; 884 Comment
  JEPS84215  Sidalcea oregana subsp. oregana L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6322 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 0.5 air mi from Red Butte, e slopes) 1750 Comment
  UC871509  Sidalcea oregana subsp. spicata Alice Eastwood 1912-7-18 1216 Siskiyou Sisson Comment
  UCD39820  Sidalcea oregana subsp. spicata A. H. Murphy 1955-7-27 D- 2 Siskiyou Klamath National Forest. Marble Mountains, Cold Springs Meadow. 1676 Comment
  SEINET185062  Silene C. L. Hitchcock, J. S. Martin 1939-7-9 5320 Siskiyou Between King's Castle and Black Mountain west side of ridge. 1829 Comment
  UC668092  Silene campanulata Joseph P. Tracy 1935-8-1 14421 Siskiyou 1 mi e Salmon Summit Mine (head of Knownothing Creek); , e of Salmon Summit Mine 1767 Comment
  UC162885  Silene campanulata subsp. glandulosa Harley P. Chandler June, 1901 1715 Siskiyou ridges and meadows near Marble Mountain (Shackleford Canyon); North Coast Ranges, near Marble Mt., Shackleford Canyon 1828 Comment
  HSC64981  Silene campanulata subsp. glandulosa D. L. Goforth 1979-7-14 165 Siskiyou Trinity Alps Wilderness Area, Yellow Rose Mine Trail 1951 Comment
  JEPS50923  Silene dichotoma Geo. D. Butler 1909-8-17 961 Siskiyou field enar Yreka; Field near Yreka Comment
  JEPS87358  Silene douglasii W. L. Jepson 1940-6-23 20027 Siskiyou n Mt. Shasta (Andesite station); n of Mt. Shasta, Andesite station 975 Comment
  UCSB63905  Silene douglasii Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56); 3.7 mi. east of Forest Route 49; edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave: T42N R4E NE1/4 NE1/4 Sect. 6 1755 Comment
  HSC92349  Silene douglasii var. douglasii Jennifer Whipple 1977-8-6 2223 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  CHSC98892  Silene grayi L. P. Janeway; B. Castro 2007-7-29 9142 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  POM151379  Silene grayi Copeland 1903-9-7 3853 Siskiyou Mt. Eddy [which is on Siskiyou-Trinity county line.] Comment
  RSA233662  Silene grayi R. F. Thorne, Frederick W. Oettinger 1969-8-10 39001 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 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
  UC375339  Silene menziesii Geo. D. Butler 1908-6-25 103 Siskiyou along creek near Yreka; near Yreka Comment
  POM109017  Sisyrinchium bellum Geo D. Butler 1910-6-6 1556 Siskiyou Quartz Valley Comment
  RSA237939  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou Outlet of Abbotts Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  HSC28652  Solanum parishii Frederick W. Oettinger 1969-8-12 1347 Siskiyou Marble Mtn. Wilderness Area, along trail above Willow Springs 1677 Comment
  RSA428804B  Solanum triflorum Louis C. Wheeler 1935-7-13 3655 Siskiyou Ager. 793 Comment
  JEPS83867  Solanum umbelliferum Wayne Roderick 1976-7-1 Siskiyou vicinity Cook and Green Pass (s side of pass); Siskiyou Mountains 1463 Comment
  CAS-BOT-BC157046  Solanum umbelliferum E. D. Cantelow 1936-5-20 1440 Siskiyou S.W. slope of Salmon Mt. nr. summit 1817 Comment
  CAS-BOT-BC157049  Solanum umbelliferum D. Parker 1950-6-15 451 Siskiyou Along Kidder Creek 914 Comment
  UCR47901  Solidago canadensis 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
  UC1045299  Solidago elongata W. Bridge Cooke 1940-7-5 15282 Siskiyou along a creek Wagon Camp meadows (Mount Shasta); Mount Shasta Comment
  UC637151  Solidago elongata Edward Lee 1934-8-12 1046 Siskiyou 1/4 mi w of mouth Walker Creek (a tributary of the Klamath River (e end of Seiad Valley)) 426 Comment
  CAS-BOT-BC365558  Solidago elongata Geo. D. Butler 1910-8-3 1858 Siskiyou Oro Fino Comment
  CAS-BOT-BC365560  Solidago elongata H. A. Thomas; J. H. Thomas 1954-7-25 4534 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC365760  Solidago spectabilis Elmer I. Applegate 1923-8-21 3916 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  JEPS94994  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
  UCD136123  Sonchus arvensis T. C. Fuller 1963-8-27 11162 -a 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
  JEPS44988  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou head of Etna Creek 1676 Comment
  RSA237824  Sorbus californica Frederick W. Oettinger 1967-7-20 180 Siskiyou Outlet stream from Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC157320  Sorbus californica 1902-7-15 1518 Siskiyou Marble Fork Comment
  SEINET11919140  Sorbus scopulina J. P. Tracy 19478 Siskiyou in openings in woods,summit of the Siskiyous at crossing of the Takilma-Happy Camp Road 244 Comment
  HSC29506  Sorbus sitchensis var. sitchensis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1276 Siskiyou Marble Mtn. Wilderness Area, SE end of English Lake 1799 Comment
  RSA238578  Sparganium angustifolium Frederick W. Oettinger 1969-8-22 1507 Siskiyou Along the northwest shoreline of Horse Range Lake; the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area; Salmon Mountains. 1829 Comment
  POM148450  Spiraea douglasii J. B. Feudge 1927-7-22 1683 Siskiyou Mt. Shasta City. 1067 Comment
  SBBG25910  Spiraea douglasii D. Myrick 1966-8-8 1485 Siskiyou Big Flat Cmpgrd, Mtn Meadow Ranch, Big Flat 1828 Comment
  SEINET3157634  Spiraea douglasii G. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek 1219 Comment
  HSC62276  Spiraea splendens var. splendens Ruby Van Deventer 5 Aug [year missing] Siskiyou Youngs Valley Comment
  UC456146  Stachys ajugoides var. rigida I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  JEPS83876  Stachys palustris subsp. pilosa Wayne Roderick July 1976 Siskiyou along trail to Lily Pad Lake (vicinity Cook and Green Pass); Siskiyou Mts. 1706 Comment
  HSC19087  Stellaria crispa J. O. Sawyer 1969-8-5 1766 Siskiyou W of Little Duck Lake 2073 Comment
  POM312344  Stellaria longipes H. L. Mason 1948-7-18 13611 Siskiyou Grass Lake Comment
  CAS-BOT-BC395086  Stellaria nitens John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53395 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  HSC41046  Stellaria nitens J. O. Sawyer 1970-3-4 2065 Siskiyou N of Idlewild Campground 762 Comment
  RSA22059  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  CAS-BOT-BC375641  Stephanomeria lactucina Alice Eastwood 1917-9-2 6644 Siskiyou Shasta Springs Comment
  UCSB276  Stephanomeria lactucina Myrick, Donald 1964-7-25 Siskiyou Along Shasta Ski Bowl Highway, Mt. Shasta 1219 Comment
  CAS-BOT-BC375669  Stephanomeria paniculata Wm. Bridge Cooke 1938-7-22 11316 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  OBI55431  Stephanomeria paniculata David J. Keil 1992-7-20 23490 Siskiyou Klamath NF, W of Fort Jones. Along forest Rd 44N45, 2 mi S of Scott river rd 1000 Comment
  CAS-BOT-BC322913  Stephanomeria tenuifolia W. R. Dudley 1899-8-9 s.n. Siskiyou Foot of Black Butte Comment
  JEPS36903  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1908-8-30 138 Siskiyou near Fort Jones Comment
  UC166204  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1908-8-30 138 Siskiyou near Fort Jones (along Light hill grade) Comment
  HSC30689  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1969-8-13 1352 Siskiyou Marble Mtn. Wilderness Area, SE ridge of English Lake. 2134 Comment
  HSC30691  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1968-9-6 744 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake Region 2188 Comment
  HSC97163  Stipa thurberiana L. Ahart 2005-6-9 12027 Siskiyou 3/5 mi. S of Hwy. 99/97 cutoff, 2 1/2 mi. ESE of Grenada 775 Comment
  LA51459  Streptanthus tortuosus Reed C. Rollins; 1938-8-21 11555 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  POM143368  Streptanthus tortuosus George B. Grant 1902-9-7 5721 Siskiyou Mt. Shasta 2439 Comment
  UC1177926  Streptanthus tortuosus Gene B. Newcomb and Francia Chisaki 1958-6-22 1152 Siskiyou at base of butte just e Highway #99; Black Butte 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
  UC1492825  Streptanthus tortuosus Freed W. Hoffman 1951-7-12 4031 Siskiyou trail to Elk Lake Marble Mountains Comment
  RSA237327  Streptanthus tortuosus Frederick W. Oettinger 1967-6-24 118 Siskiyou Ridge near Etna Summit on road between Etna and Sawyer s Bar. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CHSC69074  Streptanthus tortuosus var. orbiculatus Vernon Oswald; Lowell Ahart 1997-7-28 8770 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  JEPS54015  Streptanthus tortuosus var. tortuosus W. L. Jepson 2862 Siskiyou near Cottage Grove; Klamath River Comment
  UC164041  Streptopus amplexifolius var. americanus Geo. D. Butler 1908-8-8 97 Siskiyou Marble Valley Comment
  UC1191398  Suaeda calceoliformis Verne Grant and Irving Schneider 1947-8-26 8304 Siskiyou Lower Klamath Lake; flats by Interstate Highway Comment
  CAS-BOT-BC48105  Suksdorfia ranunculifolia Ira L. Wiggins 1955-7-27 13546 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC620  Suksdorfia ranunculifolia William J. Ferlatte 1966-7-7 200 Siskiyou Caribou Basin 1982 Comment
  UC1045242  Swertia albicaulis var. albicaulis unknown 1940-6-27 15204 Siskiyou near the old Hotlum road; Mount Shasta Comment
  JEPS46346  Swertia radiata Geo. D. Butler 1908-8-4 417 Siskiyou Head of Shackelford Creek 1676 Comment
  RSA428925  Symphoricarpos acutus Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC269613  Symphoricarpos albus var. laevigatus L. R. Short 1933-6-15 37 Siskiyou Klamath National Forest. Clear Creek 640 Comment
  CAS-BOT-BC269617  Symphoricarpos albus var. laevigatus Marcus E. Jones 1931-7-17 29034 Siskiyou Shasta City (Sisson's) Comment
  RSA105400  Symphoricarpos albus var. laevigatus G. D. Barbe 1955-6-30 059 Siskiyou 0.8 mile NW of Forest Camp, Etna; along Johnson Creek. 945 Comment
  RSA477512  Symphoricarpos albus var. laevigatus B. C. Templeton 1960-6-21 8525 -a Siskiyou Between California State line and the Agricultural Inspection Station. Comment
  CAS-BOT-BC234780  Symphoricarpos mollis John Thomas Howell 1939-8-2 14925 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC245769  Symphoricarpos rotundifolius Elmer I. Applegate 1935-6-10 9482 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  HSC58869  Symphyotrichum bracteolatum Marvin Butler 1971-8-31 309 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1220 Comment
  JEPS40845  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-29 289 Siskiyou L. Eastlicks Ranch Oro Fino Comment
  CAS-BOT-BC97888  Symphyotrichum eatonii Alice Eastwood 1912-7-22 1305 Siskiyou Sisson Comment
  HSC27033  Symphyotrichum foliaceum J. P. Smith, J. O. Sawyer 1972-9-14 5810 Siskiyou 3.6 mi. W of S.R. 3 on Rd. 8 1220 Comment
  UC165285  Symphyotrichum frondosum Geo. D. Butler 1910-9-11 1884 Siskiyou near Gazelle Comment
  CAS-BOT-BC98444  Symphyotrichum spathulatum Alice Eastwood 1921-7-28 10912 Siskiyou Medicine Lake Comment
  UC165283  Symphyotrichum spathulatum Geo. D. Butler 1910-9-11 1880 Siskiyou near Edgewood Comment
  UC75819  Symphyotrichum spathulatum Milo S. Baker 1899-7-31 Siskiyou on Ash Creek, e slope of Mt. Shasta Mt. Shasta Comment
  UC1222979  Symphyotrichum spathulatum Joseph P. Tracy 1949-9-16 18572 Siskiyou on rd between Callahan and Trinity Center Callahan (at the top on the n side of Scott Mtn); Scott Mountain 1615 Comment
  CAS-BOT-BC221959  Taeniatherum caput-medusae John Thomas Howell 1952-6-15 28365 Siskiyou Just east of Montague Comment
  CAS-BOT-BC376787  Tanacetum parthenium Ynez Whilton Winblad 1941-6-30 s.n. Siskiyou Between Oregon line and Yreka Comment
  CHSC91244  Taraxacum officinale Lowell Ahart; John Dittes 2005-6-10 12081 Siskiyou South edge of pasture, east of a poor dirt road, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC43425  Taraxacum officinale Maralyn O'Meara 1974-5-26 451 Siskiyou Chandler Glade on F.S. road 47N03 Comment
  JEPS105692  Taraxia subacaulis Julie Kierstead Nelson 1993-6-4 93009 Siskiyou Mud Well, ca. 20 mi E of Mount Shasta. McCloud Ranger District. Shasta-Trinity National Forests. 1392 Comment
  HSC44883  Taxus brevifolia Maralyn O'Meara 1974-5-25 393 Siskiyou Along road to Duck Lakes trail 1402 Comment
  UC1037369  Taxus brevifolia Douglas Barbe 1955-7-9 158 Siskiyou s side Kangaroo Lake; Scott Mountains, Kangaroo Lake 1828 Comment
  UC667974  Taxus brevifolia Joseph P. Tracy 1935-8-1 14418 Siskiyou 1 mi e Salmon Summit Mine (cirque at head of Knownothing Creek); Knownothing Creek 1767 Comment
  MACF017395  Taxus brevifolia Trudy R. Ericson 1974-8-8 219 Siskiyou About 17 mi. northwest of Happy Camp on road to Cave Junction, Oregon. Comment
  NY17404  Taxus brevifolia H. E. Brown 1897-6-1 323 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
  JEPS1219  Tellima grandiflora Freed Hoffman 1951-7-11 4035 Siskiyou about 8 mi above Scott River (on Kelsey Creek, Hammond's Stock-raising Camp, w Siskiyou County); Marble Mountains 1524 Comment
  CHSC88778  Tetradymia canescens Jenny Marr 1993-7-1 197 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  CAS-BOT-BC399880  Thalictrum polycarpum G. Muth 1966-7-17 408 Siskiyou Marble Valley Comment
  HSC101480  Thelypodium brachycarpum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12998 Siskiyou Kalmath National Forest. South of the Gazelle-Callahan summit. 1704 Comment
  POM228972  Thelypodium brachycarpum L. C. Wheeler 1935-6-30 3637 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC65025  Thelypodium laciniatum Julie Kierstead Nelson; Rhonda Posey 2007-6-15 2007 -006 Siskiyou North side of Mount Shasta, south of Hwy 97. Quadrangle 764 Juniper Flat. 1100 Comment
  JEPS116629  Thelypodium laciniatum Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -006 Siskiyou North side of Mt. Shasta, south of Hwy 97, Juniper Flat Mt. Shasta 1090 Comment
  CAS-BOT-BC77711  Thelypteris nevadensis Doris K. Kildale 1928-7-3 5438 Siskiyou Little North Fork of Salmon River Comment
  UC1481738  Thelypteris nevadensis unknown Oct 1941 Siskiyou e fork of Horse Creek 762 Comment
  UC1483508  Thlaspi montanum var. montanum Maralyn A. Renner 1980-8-8 2455 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad., Rattlesnake Mea 1645 Comment
  UC857508  Thlaspi montanum var. montanum A. A. Heller 1915-7-15 12083 Siskiyou Mt. Eddy 2072 Comment
  POM169142  Tofieldia glutinosa subsp. occidentalis E. B. Copeland 1903-9-7 3864 Siskiyou Mt. Eddy 2439 Comment
  RSA237921  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1967-8-3 232 Siskiyou West end of Little Hancock Lake. The Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2043 Comment
  UC1483561  Tofieldia occidentalis subsp. occidentalis Maralyn A. Renner 1980-6-26 1164 Siskiyou Klamath National Forest 1389 Comment
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Feb 9 2009
  HSC69543  Tolmiea diplomenziesii Maralyn A. Renner 1980-8-6 2242 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS49716  Tolmiea diplomenziesii W. L. Jepson 1907-7-19 2940 Siskiyou Happy Camp Trail Siskiyou Mts. (headwaters of Indian Creek) Comment
  JEPS9889  Tonella tenella Geo. D. Butler 1909-4-18 626 Siskiyou near Yreka Comment
  SBBG27137  Tonella tenella L. C. Wheeler 1936-5-5 3460 Siskiyou Greenhorn Crk, on N slope 853 Comment
  HSC6300  Tragopogon dubius R. C. Wunner 1965-9-8 507 Siskiyou California Lava Beds National Monument; Across road from Red Butte. 1570 Comment
  OBI53781  Tragopogon dubius David J. Keil, Kathleen Keil 1992-7-19 23464 Siskiyou Klamath NF. 6.5 mi NW of Sawyers Bar on Sawyers Bar Rd Comment
  HSC61123  Trautvetteria caroliniensis Ruby Van Deventer 1955-8-3 Siskiyou USFS Rd. 17N04, Doe Flat Comment
  HSC19117  Triantha occidentalis subsp. brevistyla J. O. Sawyer 1969-8-1 1612 Siskiyou Behind Horseshoe Lake 1921 Comment
  CDA22542  Trichostema lanceolatum Glenn Briggs 2008-7-21 PDR# 1414000 Siskiyou Seiad Valley, 53005 Hwy 96 0 Comment
  UC166586  Trientalis latifolia Geo. D. Butler 1910-5-23 1392 Siskiyou Humbug Mountain 1219 Comment
  UC630778  Trifolium cyathiferum A. A. Heller 1915-7-18 12107 Siskiyou ne base Mt. Eddy; Mtcalf's Ranch 1219 Comment
  CHSC35548  Trifolium dubium James P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  CDA4330  Trifolium incarnatum Don Shaw 1977-5-26 Siskiyou Highway 96 near Blue Heron Ranch, Somes Bar. 0 Comment
  POM27525  Trifolium longipes subsp. elmeri Geo. D. Butler 1910-6-5 1507 Siskiyou Shackleford Creek Comment
  UC866843  Trifolium longipes var. elmeri A. A. Heller 1916-7-22 12483 Siskiyou east side of Mt. Eddy 1676 Comment
  POM27532  Trifolium macrocephalum Geo. D. Butler 1910-4-15 1174 Siskiyou Yreka. Comment
  POM28035  Trifolium microcephalum Geo. D. Butler 1909-6-20 920 Siskiyou Yreka. Comment
  JEPS83895  Trifolium pratense Wayne Roderick Aug 1975 Siskiyou Cook and Green Pass Syskiyou Mtns Comment
  UC57208  Trifolium repens H. M. Hall and E. B. Babcock 1903-6-1 4068 Siskiyou Sisson Mount Shasta Comment
  UC163810  Trifolium variegatum var. variegatum Geo. D. Butler 1910-4-27 1245 Siskiyou Oro Fino Comment
  UC375412  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka Comment
  JEPS107918  Triglochin concinna Lowell Ahart, John Dittes 2005-6-9 11999 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC519594  Trillium Roxana S. Ferris; Laura Lorraine 1948-6-12 11883 Siskiyou About 6 miles from Etna on forks of Salmon road 1676 Comment
  HSC69573  Trillium ovatum Maralyn A. Renner 1980-8-6 2263 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CHSC95115  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-2 8739 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  RSA234825  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 953 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC429260  Trillium ovatum subsp. oettingeri Annie M. Alexander and L. Kellogg 1911-6-17 156 Siskiyou Jackson Lake 1798 Comment
  UC196952  Trisetum canescens Geo. D. Butler 1910-7-8 1661 Siskiyou Shackleford Creek Comment
  UCD93608  Trisetum canescens A. H. Murphy 1959-7-23 59 Y Siskiyou Shasta National Forest. North fork of Sacramento River. 1676 Comment
  HSC30533  Trisetum spicatum Frederick W. Oettinger 1968-9-6 734 Siskiyou Marble Mtn. Wilderness Area, trail SE of Tom's Cabin 2165 Comment
  JEPS82430  Trisetum spicatum Gilbert Muth 1966-7-31 469 Siskiyou n side Black Mt.; Marble Mt. Wilderness Area 1981 Comment
  UCD94378  Trisetum spicatum J. M. Tucker 1963-8-19 3780 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  CAS-BOT-BC133491  Triteleia crocea G. J. Muth 1969-8-10 1337 Siskiyou Ridge w. of Boulder Peak Comment
  HSC24102  Triteleia crocea J. O. Sawyer 1971-7-16 2432 Siskiyou Slope NE of Deep Lake 2165 Comment
  UC164091  Triteleia crocea Geo. D. Butler 1909-5-30 786 Siskiyou Humbug Mountain 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
  UC1094393  Triteleia crocea var. modesta Rimo C. Bacigalupi with Galen Smith 1957-6-26 5945 Siskiyou ca. 6 mi. due s. Mt. Eddy (s. end Gumboot Lake, head of S. Fork Sacramento R.); S. Fork Sacramento R., Gumboot Lake 1859 Comment
  CAS-BOT-BC522345  Triteleia hyacinthina Arthur L. Menzies s.n. Siskiyou Morgan Meadows, near Mt. Eddy Sacramento District, Shasta National Forest Comment
  RSA571786  Tsuga mertensiana L. C. Wheeler 1934-9-1 3237 Siskiyou Mud Springs, Middlehell Creek. 1890 Comment
  HSC67616  Typha J. P. Smith, Steve Selva 1970-8-8 4557 Siskiyou Juanita Lake Comment
  UC705620  Umbellularia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2223 Siskiyou 12 mi above Happy Camp (along Indian Creek); Indian Creek Comment
  HSC8632  Urtica dioica subsp. holosericea R. C. Wunner 1965-7-9 346 Siskiyou Lava Beds National Monument, Indian Well Maintenance area, near truck wash area. 1433 Comment
  CHSC30109  Vaccinium cespitosum M. S. Taylor 1980-5-4 2782 Siskiyou Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  HSC19511  Vaccinium cespitosum J. O. Sawyer 1969-7-25 1557 Siskiyou Above High Lake 2104 Comment
  JEPS58731  Vaccinium cespitosum W. L. Jepson 1907-7-6 2851 Siskiyou near Cuddihy Valley Comment
  HSC7905  Vaccinium ovatum Wm. F. Bowman 1968-10-12 Siskiyou Sugar Creek Rd. 1524 Comment
  CAS-BOT-BC199476  Vaccinium parvifolium Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC199479  Vaccinium parvifolium Doris K. Kildale 1929-7-20 8725 Siskiyou Trail from Elk Lick to Raspberry Lake, Indian Creek 1828 Comment
  RSA8228  Vaccinium parvifolium Elmer I. Applegate 1930-8-11 6602 Siskiyou Cook and Green Creek, Siskiyou Mountains, Applegate River watershed. Comment
  UCD118158  Vaccinium parvifolium J. P. Smith; Steve Selva 1970-7-15 4352 Siskiyou Klamath Nat'l Forest; road to Happy Camp. 731 Comment