Search Results — 2000 specimen records retrieved (1396 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC4975  Abies X shastensis J. O. Sawyer 1968-6-18 175 Siskiyou Above S Russian Creek on W side. 1463 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
  RSA237339  Abies concolor Frederick W. Oettinger 1968-9-10 809 Siskiyou Slopes NW of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC78021  Abies grandis Clarence R. Quick 1958-11-3 58 -1 Siskiyou West of Hilt, near Oregon border Comment
  HSC4984  Abies lasiocarpa J. O. Sawyer 1968-7-9 754 Siskiyou W of Little Duck Lake. 1936 Comment
  CAS-BOT-BC78105  Abies magnifica Elmer I. Applegate 1923-9-7 3966 Siskiyou Head of Doggett Creek, Siskiyou Mountains Comment
  CAS-BOT-BC330622  Acer circinatum Volney Rattan 1879-6-1 sn. Siskiyou Unspecified Comment
  LA202806  Acer circinatum Wm. Bridge Cooke; 1940-7-12 15309 Siskiyou Box Canyon, Near the Sacramento River and near Mount Shasta City 914 Comment
  SEINET3111501  Acer circinatum Steve Selva, Roger Jensen 1974-8-22 33 Siskiyou Along trail from Doe Flat campground to Buck Lake. Comment
  UC138080  Acer circinatum A. A. Heller 1905-6-1 7923 Siskiyou between Dunsmuir and Upper Soda Spring; between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC331015  Acer glabrum var. glabrum Doris K. Kildale 1928-7-2 5339 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  LA202792  Acer glabrum var. glabrum Wm. Bridge Cooke; 1939-8-4 13809 Siskiyou Mt. Shasta, along the Sisson Southern Trail in branches of Cascade Gulch and in the Gulch. 1676 Comment
  CAS-BOT-BC332782  Acer macrophyllum Carl B. Wolf 1927-8-26 1037 Siskiyou On the Klamath River, 4 mi N of Gottville Comment
  UCSB12088  Acer macrophyllum Breedlove, Dennis 1962-6-10 Siskiyou Indian Creek along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  CAS-BOT-BC30438  Achillea millefolium A. A. Heller 1915-7-18 12127 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC4995  Achillea millefolium J. O. Sawyer 1968-7-9 424 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  CAS-BOT-BC18874  Achillea millefolium Elmer I. Applegate 1935-6-6 9353 Siskiyou Near and south of Indian Well, Lava Beds National Monument Comment
  POM55385  Achillea millefolium E. B. Copeland 1903-7-4 3546 Siskiyou Klamathon. Comment
  RSA237216  Achillea millefolium var. occidentalis Frederick W. Oettinger 1969-7-29 1094 Siskiyou On bedrock ridge above Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC216925  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte N of Sisson 1097 Comment
  CAS-BOT-BC210873  Achnatherum occidentale subsp. californicum Wm. Bridge Cooke 1938-7-15 11276 Siskiyou Mount Shasta. Wagon Camp-Horse Camp Trail Comment
  UC1025007  Achnatherum occidentale subsp. californicum Leo Whitney 3471 Siskiyou 2 mi se Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  UCD51439  Achnatherum thurberianum L. Whitney 1934-6-27 s.n. Siskiyou 30 miles SW of Tennant. 1371 Comment
  UCD103800  Acmispon americanus var. americanus A. A. Heller 1914-8-25 11701 Siskiyou Deetz Station near Black Butte. 1158 Comment
  UCD33540  Acmispon nevadensis var. nevadensis Beecher Crampton 1969-6-19 8475 Siskiyou Siskiyou County, 2 miles south of Weed, Interstate Highway 5. 1310 Comment
  JEPS60369  Aconitum columbianum Geo. D. Butler 1908-8-3 363 Siskiyou Shackelford Creek, Log Lake 1524 Comment
  RSA608668  Aconitum columbianum Louis C. Wheeler 1963-9-11 8382 Siskiyou Siskiyou Mountains: Dillon Creek. 1494 Comment
  CAS-BOT-BC391508  Aconitum columbianum subsp. columbianum John Thomas Howell 1937-7-22 13323 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC391522  Aconitum columbianum subsp. columbianum G. J. Muth 1969-8-12 1379 Siskiyou Second Valley Comment
  RSA98842  Aconitum columbianum var. columbianum Edward Palmer 1892-7-13 2543 Siskiyou Mount Shasta and vicinity Comment
  CAS-BOT-BC412912  Aconogonon davisiae Robert F. Thorne; Fred Oettinger 1969-8-10 38986 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  SBBG21829  Aconogonon davisiae D. Myrick 1964-7-25 953 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
  SD53342  Aconogonon davisiae Darley F. Howe 1962-8-6 3407 Siskiyou Mt. Shasta 2438 Comment
  HSC78418  Aconogonon davisiae L. P. Janeway 1983-7-31 480 Siskiyou Poker Flat, E portion of meadow. 1524 Comment
  CAS-BOT-BC418812  Aconogonon phytolaccifolium G. J. Muth 1969-8-12 1372 Siskiyou Second Valley Comment
  HSC78206  Aconogonon phytolaccifolium L. P. Janeway 1983-7-24 449 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  JEPS84233  Actaea rubra L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6298 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  RSA687743  Adiantum aleuticum M. B. Dunkle 1945-1 9314 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  UC160809  Adiantum aleuticum Dr. E. B. Copeland 1903-9-6 3859 Siskiyou Mt Eddy 1463 Comment
  UC371165  Adiantum aleuticum G. D. Butler 1908-8-2 247 Siskiyou Shackleford Creek Comment
  RSA237840  Adiantum aleuticum Frederick W. Oettinger 1968-9-1 644 Siskiyou Southwest of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UCSB51234  Adiantum aleuticum Almanza, Ed 1976-7-15 Siskiyou O' Neill Creek (eastern tributary to Klamath River), State Hwy 96 238 Comment
  CAS-BOT-BC29448  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek, Klamath National Forest 1981 Comment
  HSC46721  Ageratina occidentalis William J. Ferlatte 1976-9-22 1855 Siskiyou 200 yds. SE of mail tailings; Yellow Rose Mine 2043 Comment
  POM210974  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek (Mt. Diablo Mer.) 1982 Comment
  CAS-BOT-BC15484  Agoseris X dasycarpa Alice Eastwood 1921-7-28 10880 Siskiyou Medicine Lake Comment
  POM33128  Agoseris grandiflora Geo. D. Butler 1910-6-10 1555 Siskiyou Near Yreka. Comment
  UC163887  Agoseris grandiflora Geo. D. Butler 1910-6-10 1555 Siskiyou Comment
  CAS-BOT-BC15391  Agoseris grandiflora var. grandiflora George Dexter Butler 1910-5-19 1367 Siskiyou Near Yreka Comment
  CHSC71275  Agoseris heterophylla Vernon H. Oswald; Lowell Ahart 1998-6-11 9196 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  HSC73346  Agoseris heterophylla Gail Newton 1980-6-20 455 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC22775  Agoseris heterophylla L. E. Smith 1915-6-1 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC22777  Agoseris heterophylla George Dexter Butler 1910-4-12 1213 Siskiyou Oro Fino Comment
  UC618847  Agoseris retrorsa W. Bridge Cooke 1938-6-17 11031 Siskiyou Southern Trail Sisson; Mount Shasta 1371 Comment
  RSA238757  Agoseris retrorsa Frederick W. Oettinger 1969-7-11 985 Siskiyou Near summit of 'Little Medicine Mountain' (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  JEPS80662  Agrostis alba W. B. and V. G. Cooke 1977-9-20 54806 Siskiyou along dry spring creek Mt. Shasta, Little Bear Springs Comment
  UCD37086  Agrostis exarata Beecher Crampton 1956-8-21 3829 Siskiyou Siskiyou County, 0.5 mile northeast of Gumboot Lake. 1767 Comment
  UCD52094  Agrostis exarata Beecher Crampton 1956-8-21 3804 Siskiyou slope above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  SEINET10790008  Agrostis exarata A. Arthur Heller 1915-7-18 Heller 12114 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in moist open places in the forest. The original growth of Jeffrey pine has been succeeded by Douglas fir. 1250 Comment
  HSC30452  Agrostis gigantea Frederick W. Oettinger 1968-9-8 790 Siskiyou Marble Mountains Wilderness area, S. of English Lake. 1646 Comment
  RSA238354  Agrostis humilis Frederick W. Oettinger 1969-9-4 1645 Siskiyou Tobacco Lake Meadow. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS83987  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6385 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  JEPS84087  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6340 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 0.5 mi se of Red Butte) 1730 Comment
  RSA14318  Agrostis idahoensis Elmer I. Applegate 1923-8-17 3841 Siskiyou West side of Medicine Lake 1982 Comment
  UC535955  Agrostis idahoensis Elmer I. Applegate 1923-8-17 3841 Siskiyou w side Medicine Lake; w side Medicine Lake 1981 Comment
  CAS-BOT-BC138939  Agrostis pallens Geo. D. Butler 1910-7-12 1748 Siskiyou Shackerford Creek. 1219 Comment
  HSC30454  Agrostis pallens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1160 Siskiyou Marble Mtn. Wilderness Area, above Half-way Spring, on trail from English Lake to Diamond Lake 1951 Comment
  HSC65672  Agrostis pallens Donald W. Miles 1979-7-23 25 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  RSA239092  Agrostis pallens Frederick W. Oettinger 1969-8-14 1377 Siskiyou At inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1265351  Agrostis pallens F. W. Oettinger 1969-8-19 1456 Siskiyou head of wet meadow s big bare area between King David Peak and Abbot's Basin; Salmon Mountains 1905 Comment
  SEINET7594120 Image available Agrostis pallens Annie M. Alexander, Louise Kellogg 1949-1 5818 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  UCD53370  Agrostis scabra Robert E. Preston 2001-8-26 1763 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  CHSC88097  Agrostis stolonifera Jenny Marr 1993-7-1 107 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC45898  Agrostis stolonifera Laura Witherspoon 1978-8-31 112 Siskiyou Klamath National Forest 1982 Comment
  RSA577792  Allium acuminatum L. C. Wheeler 1935-5-11 3489 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  SEINET12048093  Allium acuminatum Unknown 1945-1 Siskiyou Comment
  CAS-BOT-BC462993  Allium bolanderi Geo. D. Butler 1910-6-3 1469 Siskiyou Quartz Valley Comment
  HSC46178  Allium bolanderi var. bolanderi Jennifer Whipple 1978-6-5 2330 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC469237  Allium falcifolium Alice Eastwood 1912-8-30 2004 Siskiyou Mount Eddy Comment
  CAS-BOT-BC469245  Allium falcifolium Alice Eastwood; John Thomas Howell 1934-4-20 s.n. Siskiyou Near Yreka on Ft. Jones road Comment
  SEINET12048266  Allium falcifolium M. Ownbey, Brown, D. H. 1941-1 2427 Siskiyou SW of McKinley Mountain, W of Yreka Comment
  CAS-BOT-BC474286  Allium obtusum var. obtusum W. B. C. 1938-7-1 11163 Siskiyou Panther Creek Sand Flats. Sand Flats in openings, on morainal deposits in the Shata Fir forest. 1981 Comment
  JEPS82459  Allium siskiyouense Gilbert Muth 1966-7-14 390 Siskiyou flat above Marble Valley; Marble Mt. Wilderness Area, Marble Gap trail 1828 Comment
  UC1299631  Allium siskiyouense Freed W. Hoffman 1951-7-12 3793 Siskiyou Packers Valley above Hammonds Camp; Marble Mountains, Packers Valley 2072 Comment
  POM109968  Allium siskiyouense Geo D. Butler 1910-4-10 1167 Siskiyou Yreka Comment
  JEPS61509  Allium validum Geo. D. Butler 1908-8-3 112 Siskiyou canyon below Log Lake; Shackleford Creek 1371 Comment
  CAS-BOT-BC478027  Allium validum Wm. Bridge Cooke 1938-7-15 11253 Siskiyou Wagon camp. Common along the creeks leading from the Wagon Camp springs. Also in the Heather Meadows at Panther and Squaw Creeks. 1737 Comment
  RSA233699  Allium validum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38961 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA238556  Alnus incana subsp. tenuifolia Frederick W. Oettinger 1968-9-4 692 Siskiyou Outlet of Abbott s Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  HSC68578  Alnus rhombifolia Maralyn A. Renner 1980-6-23 973 Siskiyou W Fork Seiad Creek 878 Comment
  UCD110045  Alnus viridis subsp. sinuata Sandra L. Holloway 1963-6-2 72 Siskiyou 100 yards from Deep Creek and 1/4 mile north of Deep Lake, Marble Mountain. Comment
  CAS-BOT-BC539685  Alnus viridis subsp. sinuata Wm. Bridge Cooke 1939-8-10 13862 Siskiyou Mount Shasta: Mud Creek Canyon 2133 Comment
  UC1100238  Alopecurus aequalis Herbert L. Mason 1948-7-18 13617 Siskiyou Grass Lake Comment
  CAS-BOT-BC18595  Alyssum alyssoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53447 Siskiyou 7 miles east of Callahan on road to Gazelle. 1173 Comment
  UCD114088  Alyssum alyssoides Jean Langenheim 1957-5-19 4341 Siskiyou Along road between Gazelle and Callahan. Comment
  RSA756942  Amelanchier alnifolia var. pumila Robert F. Thorne 1969-8-2 63341 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  HSC103  Amelanchier alnifolia var. semiintegrifolia William J. Ferlatte 1966-6-23 149 Siskiyou Big Flat, near public camp 1524 Comment
  HSC4957  Amelanchier pallida J. O. Sawyer 1968-9-10 691 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  UCD169265  Amelanchier pallida T. Bruchman 1978-7-1 297 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  RSA237667  Amelanchier pumila Frederick W. Oettinger 1968-8-2 362 Siskiyou Meadow S of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC136894  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11800 Siskiyou Scott Mt. Rd. so. of Callahan 1463 Comment
  CAS-BOT-BC136907  Amelanchier utahensis L. E. Smith 1913-5-27 284 Siskiyou Weed Comment
  UC466803 Image available Amelanchier utahensis Annie M. Alexander and Louise Kellogg 1911-6-4 106 Siskiyou Mayten Comment
  UCD77329  Amelanchier utahensis Robert E. Preston 2001-6-23 1569 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain at Hemlock Lake. 1889 Comment
  CAS-BOT-BC222294  Amsinckia Alice Eastwood; John Thomas Howell 1934-4-20 1766 Siskiyou Near Yreka along Shasta River Comment
  HSC36782  Amsinckia intermedia J. P. Smith 1974-5-27 7624 Siskiyou Along FS Rd. 47N03 1280 Comment
  SEINET12480057  Amsinckia menziesii G. D. Butler 1269 Siskiyou Yreka. Comment
  UC891433  Anaphalis margaritacea A. A. Heller 1915-8-26 12247 Siskiyou at, foot of Mt. Eddy Wagon Creek; Mt. Eddy Comment
  RSA240049  Anaphalis margaritacea Frederick W. Oettinger 1969-8-9 1314 Siskiyou Near young's Cabin . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC2062592  Androsace filiformis Belinda Lo with Alex Randolph-Lowe 2017-8-26 357 Siskiyou SISKIYOU COUNTY: Klamath National Forest, about 0.9 miles SSW of Pinto Spring. Comment
  HSC4929  Anemone deltoidea J. O. Sawyer 1968-6-18 187 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC69536  Anemone deltoidea Maralyn A. Renner 1980-8-6 2257 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC1299406  Anemone deltoidea Freed W. Hoffman 1948-7-9 2570 Siskiyou 6.5 mi n West Branch Public Camp (Happy Camp-Waldo Rd) Comment
  UCD95466  Anemone deltoidea John M. Tucker 1974-7-28 4310 Siskiyou Siskiyou Co.; Marble Mountain Wilderness Area, Camp at Haypress Meadows. 1463 Comment
  CHSC1425  Anemone drummondii M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC69035  Anemone drummondii Maralyn A. Renner 1980-8-7 2373 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  CAS-BOT-BC391853  Anemone drummondii Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mountain 1676 Comment
  POM100562  Anemone drummondii Geo. D. Butler 1908-8-5 45 Siskiyou Marble Mtn Comment
  HSC36950  Anemone lyallii J. P. Smith 1974-5-26 7588 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  RSA625525  Anemone occidentalis Louis C. Wheeler 1963-8-25 8273 Siskiyou South slope, Preston Peak: South summit. 2134 Comment
  SBBG25866  Angelica breweri D. Myrick 1966-8-8 1499 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  HSC35774  Angelica tomentosa J. O. Sawyer 1969-9-12 2009 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  HSC67867  Antennaria argentea J. P. Smith 1976-5-5 8691 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  POM211801  Antennaria argentea L. C. Wheeler 1934-7-3 2852 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. (Mt. Diablo Mer.) 677 Comment
  SEINET2039593  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou Five miles north of Weed on State Highway #49. 1070 Comment
  CAS-BOT-BC58680  Antennaria howellii Jack Major 1961-7-14 648 Siskiyou Mud Creek, Mounta Shasta 1828 Comment
  HSC45211  Antennaria media J. O. Sawyer, E. Cope 1977-6-20 2964 Siskiyou Behind Devil's Punchbowl 1829 Comment
  RSA273381  Antennaria racemosa J. P. Smith, J. O. Sawyer 1972-7-3 s.n. Siskiyou Ridge east of Cook and Green Pass 1524 Comment
  RSA416705  Antennaria rosea L. C. Wheeler 1934-8-2 3016 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  CHSC71277  Antennaria rosea subsp. rosea Vernon H. Oswald; Lowell Ahart 1998-6-11 9210 Siskiyou Old State Hwy. 0.1 mi east of Tennant Rd., ca. 9 air mi east of Grass Lake located on Hwy. 97, ca. 22 air mi northeast of Weed. 1402 Comment
  CAS-BOT-BC84768  Antennaria umbrinella John M. Tucker 1948-8-2 1770 Siskiyou Mt. Shasta Panther Meadows 2407 Comment
  JEPS83420  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-7-2 363 Siskiyou 2.5 mi ne Highway 3 (Gazaeel-Callahan Road, e side of road); China Mt. Quad. (15', 1955) 1051 Comment
  HSC100337  Apera interrupta J. P. Smith 2011-7-15 13306 Siskiyou Along the road to Bray, 0.8 mi. from its junction with Tennant Road 1419 Comment
  JEPS19478  Apocynum androsaemifolium Willis L. Jepson Jul 24 1894-Aug 10 1894 14625 Siskiyou Sisson region of the Upper Sacramento, Sisson Comment
  UC1409251  Apocynum androsaemifolium Frederick W. Oettinger 1968-8-19 583 Siskiyou along Tom Taylor Cabin-English Peak trail Crapo Peak; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2133 Comment
  CAS-BOT-BC395153  Aquilegia formosa Wm. Bridge Cooke 1938-7-29 11424 Siskiyou Wagon Camp, Mount Shasta Comment
  UC1483511  Aquilegia formosa Maralyn A. Renner 1980-8-21 2556 Siskiyou Kidd Creek Coffee Creek quad., Klamath National Forest 2042 Comment
  UC166049  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC394985  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest Comment
  POM99545  Aquilegia formosa var. truncata Geo. D. Butler 1908-7-12 1062 Siskiyou Hundrey Mtn Comment
  RSA211137  Aquilegia formosa var. truncata William J. Ferlatte 1966-8-17 392 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  RSA0125744  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-14 2930 Siskiyou Shasta River 6 miles N of Yreka. 762 Comment
  HSC30480  Arabis glabra Frederick W. Oettinger, R. F. Thorne 1969-8-9 1309 Siskiyou Abbott's Upper Cabin, Salmon Mtns. 1524 Comment
  HSC74922  Arabis holboellii var. pendulocarpa J. P. Smith, Jennifer Whipple 1978-7-2 9963 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  POM94627  Arabis holboellii var. retrofracta Geo. D. Butler 1910-7-12 1763 Siskiyou Shackleford Creek. 1372 Comment
  RSA0129256  Arabis lyallii William J. Ferlatte 1967-8-20 1052 Siskiyou Caribou Basin, Sawtooth Ridge, steep N-facing slope; Trinity Alps. 2043 Comment
  HSC26702  Arabis platysperma William J. Ferlatte 1971-9-18 1374 Siskiyou Caribou Meadow on N side of Caribou Mtn. 1982 Comment
  RSA0129805  Arabis platysperma P. A. Munz 1960-8-22 24191 Siskiyou Panther Meadows, Mt. Shasta. 2530 Comment
  JEPS53186  Arabis subpinnatifida Geo. D. Butler ca. 1909 587 Siskiyou Yreka Comment
  RSA0128839  Arabis suffrutescens Geo. D. Butler 1910-7-9 1705 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC171031  Aralia californica Alice Eastwood 1923-7-1 1339 Siskiyou Cantara Comment
  SBBG5139  Aralia californica H. and M. Dearing 1939-6-19 3686 Siskiyou French Crk 731 Comment
  UC1212569  Aralia californica Francia Chisake and Helen Sharsmith 1959-8-20 4744 Siskiyou Salmon R between Forks of Salmon and Somes Bar (several mi. from Forks of Salmon); Inner North Coast Ranges, Salmon R. 304 Comment
  CAS-BOT-BC171028  Aralia californica Marion Ownbey; Fred G. Meyer 1940-7-8 2221 Siskiyou Along Cade Creek near it's mouth, 3 miles east of Happy Camp. Comment
  RSA237456  Arceuthobium tsugense Frederick W. Oettinger 1969-9-5 1678 Siskiyou Between Abbotts Lake and Wiregrass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC43027  Arctostaphylos manzanita J. O. Sawyer, Ken Stillman 1976-7-2 2800 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC40020  Arctostaphylos nevadensis Doris K. Kildale 1929-8-25 9094 Siskiyou Wiskey Lake on trail to Preston Peak 1524 Comment
  HSC69381  Arctostaphylos nevadensis J. O. Sawyer, J. Cole 1980-7-19 3696 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  POM367360  Arctostaphylos nevadensis M. B. Dunkle 1944-6-26 9051 Siskiyou Deer Creek. 1829 Comment
  RSA50235  Arctostaphylos nevadensis E. K. Balls 1949-7-9 13944 Siskiyou 10.3 miles from Etna on rd. to Sawyer's Bar. Summit of pass over Salmon Mts. 1479 Comment
  UC154199  Arctostaphylos nevadensis Harley P. Chandler June 1901 1598 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC54438  Arctostaphylos nevadensis H. M. Hall and E. B. Babcock June, 1903 4107 Siskiyou Ash Creek Sierra Nevada Mts., Mt. Shasta 1676 Comment
  RSA96937  Arctostaphylos nevadensis P. C. Everett, E. K. Balls, George B. Everett 1954-10-11 20268 Siskiyou Road from Castle Lake to town of Mt. Shasta, about 2 mi. n. from Castle Lake Forest Service camp. 1280 Comment
  CAS-BOT-BC46473  Arctostaphylos patula W. R. Dudley 1899-8-22 s.n. Siskiyou Toward foot of Craggy Mt. Comment
  CAS-BOT-BC46513  Arctostaphylos patula C. Hart Merriam 1929-9-15 s.n. Siskiyou Sawyers Bar, Salmon River. Comment
  HSC744  Arctostaphylos patula William J. Ferlatte 1967-6-29 579 Siskiyou Dorleska Summit 2134 Comment
  JEPS42625  Arctostaphylos patula Geo. D. Butler 1909-4-11 640 Siskiyou Shasta Retreat Comment
  RSA303434  Arctostaphylos patula Jim Shevock 1971-4-9 941 Siskiyou Near Desmuir. 701 Comment
  SEINET5460632 Image available Arctostaphylos patula Ross C. Clark, Bob Harvey; Chris Harvey 23912 Siskiyou Town of Mt. Shasta Comment
  CHSC117378  Arctostaphylos patula subsp. patula Richard R. Halse 2015-3-21 9325 Siskiyou Weed; southern part of city, west side of Interstate Hwy. 5, off of Mountain View Drive. 1083 Comment
  RSA629723  Arctostaphylos viscida subsp. viscida L. C. Wheeler 1958-8-19 7401 Siskiyou Seiad Creek Mine. Comment
  UC454232  Arenaria congesta var. suffrutescens I. J. Condit 1909-8-2 Siskiyou near Sisson; Castle Lake 1828 Comment
  UCR51822  Arenaria serpyllifolia L. C. Wheeler 1934-1-4 02641 Siskiyou Siskiyou Mtns, Ridge east of Nigger Gulch off Klamath River 1067 Comment
  POM312502  Arnica Calvin McMillan, Malcom A. Nobs 1949-6-17 797 Siskiyou Grass Lake, Highway 97. Comment
  CAS-BOT-BC82246  Arnica chamissonis L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  CAS-BOT-BC82249  Arnica chamissonis A. A. Heller 1940-7-23 15757 Siskiyou Grass Lake on U.S. Highway #97 Comment
  UC1408757  Arnica cordifolia Frederick W. Oettinger 1969-7-14 1023 Siskiyou high above, open rocky slope, (on route to Charmaine Lake) English Lake; Salmon Mountains, English Peak, Marble Mountain Wilderness A 1920 Comment
  RSA211217  Arnica cordifolia William J. Ferlatte 1966-8-5 338 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  CAS-BOT-BC295872  Arnica dealbata Alice Eastwood 1921-7-28 10900 Siskiyou Medicine Lake Comment
  CAS-BOT-BC82556  Arnica discoidea Ira L. Wiggins 1955-7-23 13465 Siskiyou ridge W of China Creek, S side of S Fork of Salmon River 1005 Comment
  HSC44724  Arnica discoidea J. O. Sawyer, E. Cope 1977-6-18 2905 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  UC1190274  Arnica discoidea Ira L. Wiggins 1955-7-23 13465 Siskiyou ridge w of, s side of S Fork of Salmon River China Creek; S Fork of Salmon River 1005 Comment
  UC1409500  Arnica discoidea F. W. Oettinger 1969-8-9 1323 Siskiyou along, (between Fivemile Stockgate & Abbott's Upper Cabin, main trail) North Fork Trail; Salmon Mts. 1097 Comment
  CAS-BOT-BC82666  Arnica latifolia John Thomas Howell 1937-7-26 13552 Siskiyou Caribou Gulch Comment
  UCR80880  Arnica latifolia G. Fred Hrusa 1993-8-14 11398 Siskiyou Summit of Pass between Happy Camp, California and O'Brien, Oregon. Just on the California side of the state boundary 1375 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
  UC609312  Arnica ovata Eleanor Burks Hart 1938-8-17 915 Siskiyou Upper Wright Lake 2225 Comment
  JEPS2529 Image available Arnica viscosa Willis L. Jepson 1894-8-4 59 i Siskiyou Horse Camp Mt. Shasta Comment
  CAS-BOT-BC85025  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  CAS-BOT-BC84889  Artemisia campestris subsp. pacifica John Thomas Howell 1939-8-8 15177 Siskiyou Black Mt., Marble Mountains Comment
  CAS-BOT-BC90475  Artemisia douglasiana Geo. D. Butler 1910-7-29 1798 Siskiyou Dampland, Yreka Comment
  CAS-BOT-BC90741  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-18 s.n. Siskiyou [Nort] North side of Black Mountain Comment
  CHSC32822  Artemisia tridentata Dirk Reith 1979-4-10 2 Siskiyou 10 mi WSW of Newell, 2 mi SW of Tule Lake, in Lava Beds Nat'l Monument. 1371 Comment
  UC153505  Asarum hartwegii Milo S. Baker 98 Siskiyou Sisson Comment
  SEINET191627  Asclepias cordifolia Marion Ownbey, D. H. Brown 1941-6-22 2423 Siskiyou West of Craggy Mountain, northwest of Yreka. Comment
  SEINET10890228  Asclepias fascicularis Mark E. Fishbein, L. Greer 2006-8-4 Fishbein 5886 Siskiyou Along Hill Road, 0.5 mi S of Devil's Homestead, Lava Beds National Monument, about 3.75 mi NNW of Schonchin Butte 1285 Comment
  CHSC33056  Asclepias speciosa J. P. Smith; Steve Selva 1970-6-16 4085 Siskiyou Immediately west of Sawyers Bar. Comment
  UC23009  Asclepias speciosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  SEINET10496076  Asclepias speciosa LeRoy E. Detling 1947-6-5 Detling 6137 Siskiyou 2 mi. W. Of klamath river bridge, siskiyou co, yellow pine-oak forest, assoc: pinus ponderosa, quercus kellogii, pseudosuga taxifolia, thuja plicata, acer macrophyllum, ceonathus cuneatus, rhus diversifolia. Valley floor, rocky clay, full sun, fairly abindant, 518 Comment
  SEINET7121037  Asclepias speciosa G. D. Butler 1910-8-5 1813 Siskiyou Yreka Comment
  CAS-BOT-BC69593  Aspidotis densa C. L. Hitchcock; J. S. Martin 1939-7-7 5283 a Siskiyou 1/2 mi. below Sanger Peak Lookout. 1524 Comment
  POM23228  Aspidotis densa H. H. Tracy 1913-08 s.n. Siskiyou Castella Comment
  RSA238790  Aster alpigenus Frederick W. Oettinger 1969-8-4 1180 Siskiyou In wet, boggy meadow N of Tobacco lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC178804  Astragalus californicus T. Howell 1889-5-12 s.n. Siskiyou Hornbrook Comment
  CAS-BOT-BC178806  Astragalus californicus T. S. Brandegee 1887-6-1 s.n. Siskiyou Near Yreka Comment
  RSA0006721  Astragalus californicus R. C. Barneby 1954-5-16 11510 Siskiyou Klamath River canyon 1-1/2 iles below Klamath River Post Office. 473 Comment
  CAS-BOT-BC178760  Astragalus canadensis var. brevidens Alice Eastwood; John Thomas Howell 1940-6-14 82 Siskiyou 5 miles W. of Tulelake Comment
  CHSC91240  Astragalus filipes Lowell Ahart; John Dittes 2005-6-10 12092 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC1584588  Astragalus inversus Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9865 Siskiyou ca 1 mi se Adobe Flat (ca 4 mi n of Timbered Crater); Fall River Mills Quad., Modoc Plateau, n of Timbered Crater 1097 Comment
  UC195172  Astragalus lentiginosus var. lentiginosus Annie M. Alexander and Louise Kellogg 1911-6-4 105 Siskiyou Mayten Comment
  CAS-BOT-BC187305  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Near Grenada Station 822 Comment
  CAS-BOT-BC192967  Astragalus purshii var. purshii A. M. Vollmer; L. Beane 1951-5-31 27 Siskiyou Scott Mountain Comment
  RSA583142  Astragalus purshii var. purshii Louis C. Wheeler 1935-6-9 3564 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  CAS-BOT-BC193068  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 -A Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River 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-BC198702  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1952-7-26 12 Siskiyou Cabin Meadow Creek 1981 Comment
  HSC81988  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1979-6-16 4868 Siskiyou Along Hwy. 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  CAS-BOT-BC66183  Athyrium filix-femina var. cyclosorum W. B. C. 1940-8-5 15407 Siskiyou in the Wagon Camp spring area 1737 Comment
  HSC68220  Balsamorhiza deltoidea J. P. Smith 1973-5-5 6511 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS98753  Balsamorhiza lanata Julie Kierstead 1997-5-13 97001 Siskiyou 6 mi W of Weed (Parks Creek Road at junction with 42N19); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1310 Comment
  SFV3761  Balsamorhiza lanata D. Parker 1951-4-19 544 Siskiyou Near Callahan. 945 Comment
  JEPS100203  Balsamorhiza sericea Dean W. Taylor 2002-6-10 18121 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  JEPS25644  Barbarea orthoceras Rimo Bacigalupi with Mr. and Mrs. Van Deventer of Fort Dick 1959-7-9 7284 Siskiyou Edges of meadow at Poker Flat 1536 Comment
  UC1037383  Beckmannia syzigachne Douglas Barbe 1955-7-5 107 Siskiyou Greenview Klamath Mountains (e limit, on road to Fort Jones) 883 Comment
  HSC36893  Berberis aquifolium var. aquifolium J. P. Smith 1974-5-26 7551 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  HSC101715  Berberis aquifolium var. dictyota J. P. Smith, J. O. Sawyer 2011-6-25 13264 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  JEPS47737  Berberis aquifolium var. repens W. L. Jepson 1907-7-19 2948 Siskiyou Indian Creek Siskiyou Mts 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
  HSC5005  Berberis nervosa J. O. Sawyer 1968-6-18 186 Siskiyou Above S Russian Creek on W side. 1463 Comment
  JEPS86077  Berberis nervosa Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass area 1371 Comment
  CAS-BOT-BC75921  Berberis piperiana Doris K. Kildale 1929-5-12 7780 Siskiyou Sawyers Bar North Fork of Salmon River. Comment
  CAS-BOT-BC76003  Berberis pumila G. P. Rixford s.n. Siskiyou South side Shaft rock Mountain. Hilt. Comment
  CAS-BOT-BC169491  Betula occidentalis Louis C. Wheeler 1934-6-27 2808 Siskiyou Cottonwood Cr., Klamath National Forest 792 Comment
  JEPS58657  Betula occidentalis Miss Edmonds Jul 1890 Siskiyou Comment
  UC1051397  Betula occidentalis Herbert L. Mason 1953-7-30 14580 Siskiyou just n Weed; Shasta River Comment
  CAS-BOT-BC169487  Betula occidentalis W. R. Dudley 1905-8-4 s.n. Siskiyou Sacramento River Comment
  HSC27220  Bidens frondosa J. P. Smith, J. O. Sawyer 1971-9-18 4793 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  CAS-BOT-BC102064  Bidens frondosa Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  CAS-BOT-BC102031  Bidens laevis L. E. Smith 1915-8-1 s.n. Siskiyou Aetna Mills Comment
  CHSC88093  Bistorta bistortoides Jenny Marr 1993-7-1 103 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC92957  Bistorta bistortoides Jennifer Whipple 1978-10-6 2400 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  UC595077  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou near Mill Creek (on hillside .4 mi s of Scott Mt. Lodge, Scott Mts.); Scott Mts. 1036 Comment
  CAS-BOT-BC127927  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  CAS-BOT-BC127974  Blepharipappus scaber R. C. Barneby 1954-5-16 11526 Siskiyou 7 mi. n.e. of Fort Jones 1005 Comment
  HSC75109  Blepharipappus scaber J. P. Smith, Thomas W. Nelson 1979-6-16 10139 Siskiyou Klamath National Forest; S.R. 3, 2.7 miles from the Scott Mtn.summit 1341 Comment
  CAS-BOT-BC15790  Boechera acutina John Thomas Howell 1937-7-24 13418 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC15797  Boechera acutina Alice Eastwood 1912-8-30 1963 Siskiyou Mount Eddy. Comment
  UC673146  Boechera breweri Lincoln Constance and Reed C. Rollins 1942-5-13 2910 Siskiyou 2 mi nw Scott Bar; Klamath-Siskiyou Region, Scott River 487 Comment
  JEPS53051  Boechera breweri subsp. breweri Geo. D. Butler 1909-7-15 892 Siskiyou Highland Mine Comment
  SEINET12783915  Boechera breweri subsp. shastaensis D. W. Taylor 1996-5-30 15645 Siskiyou Hill summit just north of Wanaka Spring, Iron Gate Reservoir (about 20 miles east of Yreka, Klamath National Forest 914 Comment
  CAS-BOT-BC16052  Boechera breweri subsp. shastaensis George Dexter Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  UC1783914  Boechera pauciflora Geo. D. Butler 1908-8-4 125 Siskiyou head of Shackelford Creek 1676 Comment
  CAS-BOT-BC14273  Boechera pinetorum John Thomas Howell 1939-8-2 14913 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UCD77346  Boechera pinetorum Robert E. Preston 2001-6-23 1562 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC25432  Boechera retrofracta Lincoln Constance; Reed Clark Rollins 1942-5-13 2917 Siskiyou Klamath-Siskiyou Region. Scott River 10 miles southwest of Scott Bar. 609 Comment
  SEINET3132241  Boechera sparsiflora G. D. Butler 1910-5-21 1382 Siskiyou Klamath hils Comment
  CAS-BOT-BC25921  Boechera suffrutescens George Dexter Butler 1910-7-9 1705 Siskiyou Dryland Shackleford Creek. 1219 Comment
  UC42351  Botrychium W. C. Blasdale Jul 1894 Siskiyou Sisson Comment
  CAS-BOT-BC418463  Boykinia major Alice Eastwood; John Thomas Howell 1937-6-26 5066 Siskiyou Near Forks of Salmon Comment
  HSC22855  Boykinia major J. O. Sawyer 1969-7-12 1359 Siskiyou Near Sugar Creek 1463 Comment
  UC3257  Brodiaea coronaria subsp. coronaria Miss Edmonds 1890-7-8 Siskiyou Comment
  UC1190170  Brodiaea elegans subsp. elegans Ira L. Wiggins 1955-7-25 13509 Siskiyou meadow Mountain View Ranch 960 Comment
  SBBG15560  Brodiaea elegans subsp. elegans D. Myrick 1961-6-21 294 Siskiyou Hwy 99, just S of Yreka 914 Comment
  CAS-BOT-BC149058  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest Foothills. Comment
  JEPS80609  Bromus carinatus var. carinatus Gilbert Muth 1966-7-22 434 Siskiyou meadow below Marble Rim (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 2011 Comment
  HSC102714  Bromus diandrus J. P. Smith 2013-6-18 13747 Siskiyou Camp Creek Recreation Area. 723 Comment
  RSA239136  Bromus marginatus Frederick W. Oettinger 1968-8-8 453 Siskiyou Crapo Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  HSC30542  Bromus orcuttianus Frederick W. Oettinger 1969-8-16 1392 Siskiyou Near English Lake, Salmon Mountains 1707 Comment
  RSA239079  Bromus orcuttianus Frederick W. Oettinger 1968-9-2 664 Siskiyou Southwest side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1869 Comment
  UC1265362  Bromus orcuttianus F. W. Oettinger 1968-9-2 664 Siskiyou Salmon Mountains, sw side of Upper English Lake, w Siskiyou County Upper English Lake; Salmon Mountains, Upper English Lake 1868 Comment
  SACT001009  Bromus rubens Geo Butler 1910-5-4 Siskiyou Collected on a dry hill. Comment
  HSC101844  Bromus sterilis J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13172 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  CAS-BOT-BC185602  Bromus tectorum R. E. Frenkel 1963-7-13 231 Siskiyou On Everitt Memorial Highway, 1.0 mile north of McCloud River Railroad crossing near Mount Shasta. 1219 Comment
  HSC76905  Bromus tectorum K. T. Stillman 1976-9-10 503 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  SEINET10515131  Bromus tectorum A. Arthur Heller 1905-6-9 Heller 8012 Siskiyou Montague. Comment
  HSC23101  Calamagrostis breweri J. O. Sawyer 1969-8-5 1755 Siskiyou W of Little Duck Lake 2073 Comment
  HSC24220  Calamagrostis breweri J. O. Sawyer 1969-8-4 1803 Siskiyou Above Sugar Lake 2134 Comment
  HSC92342  Calamagrostis breweri Jennifer Whipple 1977-7-21 2016 Siskiyou Near Durney Lake 2073 Comment
  HSC97183  Calamagrostis canadensis Gordon Leppig 1998-8-14 1033 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA238380  Calamagrostis canadensis Frederick W. Oettinger 1969-8-6 1235 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  RSA238376  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 1614 Siskiyou Shasta Ridge, north slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCD57335  Calamagrostis koelerioides Beecher Crampton 1956-8-21 3825 Siskiyou the headwater of the south fork of the Sacramento River, 1/2 mile northeast of Gumboot Lake. 1767 Comment
  SEINET7584064 Image available Calliscirpus criniger Frederick W. Oettinger 1968-9-7 754 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, near Hancock Lake outlet. 1935 Comment
  HSC28745  Callitriche heterophylla var. heterophylla Frederick W. Oettinger 1969-9-4 1624 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  HSC33963  Calocedrus decurrens J. P. Smith 1974-5-25 7431 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  OBI55417  Calocedrus decurrens David J. Keil 1992-7-20 23512 Siskiyou Etna 1000 Comment
  CAS-BOT-BC85738  Calocedrus decurrens Doris K. Kildale 1929-4-27 7561 Siskiyou Cecilville Comment
  JEPS84241  Calochortus elegans L. R. Heckard with J. Hickman et al. 1986-7-17 6470 Siskiyou ca 5 mi n Seiad Valley (town) (s of Lily Pad Lake, trail up Kangaroo Peak, wall of e ridge); Kangaroo Peak 1800 Comment
  SEINET12047246  Calochortus longebarbatus E. F. Heinitz 1980-1 27 Siskiyou at Tom Young Flat ca 2 mi NW of Pondosa 1292 Comment
  UC903495  Calochortus macrocarpus Dorothy Parker 1948-7-26 158 Siskiyou near Calif.-Ore. border (Cal-Ore) 1219 Comment
  RSA68946  Calochortus nudus A. E. Culbertson 1943-7-1 12 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west 1657 Comment
  CAS-BOT-BC132631  Calochortus uniflorus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC132652  Calochortus uniflorus Mrs. H. P. Bracelin 1931-6-20 441 Siskiyou Northeast slope of Mt. Eddy, Wagon Creek Canyon 1188 Comment
  CAS-BOT-BC132628  Calochortus uniflorus W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  JEPS82681  Caltha biflora Wayne Roderick 1984-6-7 Siskiyou North side of Mt. Eddy road 17. 1676 Comment
  UC1094390  Caltha biflora Rimo C. Bacigalupi with Galen Smith 1957-6-26 5955 Siskiyou Gumboot Lake, head of the South Fork of Sacramento River ca. 6 miles due south of Mt. Eddy. 1859 Comment
  UC165949  Caltha biflora Geo. D. Butler 1910-6-5 1509 Siskiyou Shackleford Creek. Comment
  RSA0120933  Caltha biflora Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63385 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CAS-BOT-BC181511  Caltha leptosepala Harley P. Chandler 1901-6-1 1571 Siskiyou Ridges and meadows near Marble Mountain 1828 Comment
  SJSU6533  Caltha leptosepala R. W. Trivelpiece 1973-6-21 150 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  RSA0120953  Caltha leptosepala J. P. Smith 1974-5-26 7538 Siskiyou Chandler Glade on Forest Service Road 47N03. 1768 Comment
  RSA255552  Calycadenia ciliosa Gerald D. Carr 1974-9-12 783 Siskiyou 0.4 miles east of Somesbar on Etna-Somesbar Road Comment
  RSA789268  Calycadenia truncata R. L. Carr 1986-9-28 2160 Siskiyou 0.4 miles east of Somesbar on Salmon River Road. 195 Comment
  POM30674  Calycadenia truncata subsp. microcephala Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka. Comment
  CAS-BOT-BC272747  Calycadenia truncata subsp. truncata Louis C. Wheeler 1934-10-6 3310 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  HSC2414  Calyptridium monospermum William J. Ferlatte 1966-8-5 337 Siskiyou Caribou Mtn. 2470 Comment
  HSC4429  Calyptridium monospermum William J. Ferlatte 1966-8-3 295 Siskiyou Josephine Lake basin 1677 Comment
  UC454262  Calyptridium umbellatum I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle Lake Comment
  UC642531  Calyptridium umbellatum W. Bridge Cooke 1939-7-13 13658 Siskiyou Red Butte, in The South Gate Red Butte; Mount Shasta, Red Butte 2499 Comment
  CAS-BOT-BC221261  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  HSC66108  Calystegia occidentalis subsp. occidentalis J. P. Smith, Steve Selva 1970-6-15 3930 Siskiyou Between Forks of Salmon and Cecilville. Comment
  UC1096786  Camelina microcarpa Milo S. Baker 1957-6-15 13102 Siskiyou just s of Weed (Northern Coast Ranges); Northern Coast Ranges Comment
  CAS-BOT-BC160898  Camissonia tanacetifolia subsp. tanacetifolia L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  UC890513  Campanula prenanthoides Alice Eastwood 1912-7-21 1275 Siskiyou Sisson Comment
  SEINET10462907  Campanula prenanthoides Davy 1899-6-27 DAVY 5889 Siskiyou WEITCHPEC, ON BANKS OF KLAMATH R. Comment
  SEINET10463161  Campanula prenanthoides Cyrus G. Pringle 1881-8-16 Pringle s.n. Siskiyou Comment
  SEINET10463249  Campanula prenanthoides Thomas 1954-7-21 Thomas 4384 Siskiyou SALMON-TRINITY MTS CA 6 MI SE OF CECILVILLE, W SIDE RUSH CREEK. 975 Comment
  JEPS16325  Campanula scabrella Peter H. Raven 1956-9-4 10415 Siskiyou summit of Mount Eddy 2758 Comment
  SEINET10463395  Campanula scabrella Clifton 1978-7-26 CLIFTON 6421 Siskiyou Near deadfall, on the China Mountain quadrangle, close to the town of Mount Shasta 2341 Comment
  HSC48283  Campanula scouleri J. O. Sawyer, K. Stillman 1978-7-6 3348 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  POM59313  Campanula scouleri E. B. Copeland 1903-8-17 3911 Siskiyou Mt. Eddy. 1311 Comment
  POM255804  Campanula scouleri Marion Ownbey, Ruth Ownbey 1938-7-19 1757 Siskiyou Near Deer Camp, Siskiyou Mtns Comment
  SEINET10463764  Campanula scouleri Ownbey 1938-7-19 OWNBEY 1757 Siskiyou Near Deer Camp, Siskiyou Mountains Comment
  HSC66249  Campanula wilkinsiana Maralyn A. Renner 1980-8-21 2538 Siskiyou Kidd Creek 2043 Comment
  SEINET10872989  Campanula wilkinsiana Cooke 1938-9-17 COOKE 11698 Siskiyou Mount Shasta; Horse Camp Springs, on the Summit trail & Squaw Cr. Meadows. 2469 Comment
  UCD114132  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1188 Comment
  CAS-BOT-BC37233  Cardamine bellidifolia Reed Rollins 1938-7-21 11306 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Comment
  RSA237262  Cardamine californica var. integrifolia Frederick W. Oettinger, R. F. Thorne 1969-8-6 1247 Siskiyou Below Pine Lake; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS53389  Cardamine nuttallii var. covilleana Geo. D. Butler 1910-4-1 1152 Siskiyou Humbug Mountain Comment
  JEPS96809  Cardamine nuttallii var. covilleana Dean W. Taylor 1999-6-10 17252 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 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
  CAS-BOT-BC539693  Carex John Thomas Howell 1937-7-22 13322 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC35808  Carex abrupta J. O. Sawyer 1969-7-12 1346 Siskiyou Edge of Sugar Lake 1799 Comment
  HSC41063  Carex amplifolia J. O. Sawyer 1969-6-27 861 Siskiyou Ridge between Duck Lake Creek & French Creek along FS 41N14 1280 Comment
  CAS-BOT-BC17961  Carex angustata William Bridge Cooke 1939-7-7 13613 Siskiyou Mount Shasta. In the Wagon Camp Sedge Swamp. 1737 Comment
  UC824913  Carex angustata A. A. Heller 1920-7-6 13409 Siskiyou Metcalf's ranch, ne base of Mt. Eddy Mt. Eddy, Metcalf's ranch 1158 Comment
  CAS-BOT-BC19654  Carex brainerdii L. P. Janeway 1983-6-25 336 Siskiyou Ca. 0.5 mile north of West Branch USFS Station. 670 Comment
  RSA91634  Carex deflexa var. boottii J. T. Howell 1937-7-25 13486 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  CAS-BOT-BC34942  Carex densa William Bridge Cooke 1940-6-20 15146 Siskiyou Shore of the Klamath River near the Pacific Highway below Hornbrook. 609 Comment
  HSC96568  Carex echinata subsp. echinata Gordon Leppig, J. Kalt 1996-7-9 367 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC96593  Carex echinata subsp. echinata Gordon Leppig, J. Cromwell 1997-7-25 583 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CHSC107148  Carex feta R. E. Brainerd 2009-7-22 1555 Siskiyou Red Hill Meadow, east of Mt. Shasta; 4 air miles east of McCloud. UTM Zone 10 478466E 4568630N. 1036 Comment
  CHSC82840  Carex fracta L. P. Janeway 2002-7-12 7629 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford. 1561 Comment
  SEINET11310042 Image available Carex fracta Unknown 2009-1 24602 Siskiyou Yellow pine forest on Road A10 (Everett Memorial Highway), at McBride Springs Campground, SW slope of Mt. Shasta. Comment
  HSC76843  Carex fracta L. P. Janeway 1982-7-18 76 Siskiyou On small island in Mill Creek, about 10 m below crossing of FS 19N07 610 Comment
  SEINET3901556  Carex fracta D. H. Norris, T. Nelson; Steve Dowty 1971-7-23 19537 Siskiyou Along State Route 96 about 8 miles west of junction with I-5.; 0 Comment
  HSC91191  Carex geyeri Jennifer Whipple 1977-7-22 2027 Siskiyou Near Dobkins Lake 2073 Comment
  SEINET7485275 Image available Carex hassei Peter F. Zika 2009-1 24535 Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summit 1640 Comment
  UC1540262  Carex hoodii Dean W. Taylor 1987-6-26 9067 Siskiyou 2 mi se Medecine Lake (near head of easternmost spring); Paynes Springs 1996 Comment
  UCR39770  Carex hoodii L. P. Janeway 1982-7-2 35 Siskiyou Poker Flat, end of road 18N33. At a raised drier spot in upper part of the meadow. 1524 Comment
  RSA0089764  Carex inops subsp. inops Dean Wm. Taylor 2014-5-29 21481 Siskiyou Mt. Shasta; southeastern flank of the base of the mountain, Squaw Valley Creek watershed. 1664 Comment
  CHSC98374  Carex integra Thomas W. Nelson; Jane P. Nelson 1984-7-28 7701 Siskiyou North Coast Ranges. Bog along west side of Gumboot Lake in woods. 1859 Comment
  SEINET10916797  Carex interior A. Arthur Heller 1920-7-6 Heller 13411 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in open places in te forest. 1158 Comment
  CAS-BOT-BC35478  Carex jonesii J. W. Stacey 1939-7-7 13617 Siskiyou near lower Wagon Camp Springs 1737 Comment
  HSC76815  Carex laeviculmis L. P. Janeway 1982-8-15 144 Siskiyou Below Echo Lake 1646 Comment
  CAS-BOT-BC31104  Carex lemmonii J. W. Stacey 1939-7-13 13647 Siskiyou Along Squaw Valley Creek in the Heather Meadow. 2377 Comment
  CAS-BOT-BC31304  Carex lenticularis var. impressa W. R. Dudley 1901-8-18 s.n. Siskiyou Jacksons Lake. Comment
  CAS-BOT-BC28433  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-25 13473 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  UC1950183  Carex luzulina Barbara Ertter 1990-7-16 9378 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 1-2 mi from Parks Cr trailhead (= crest of Rt 17) along ridge; steep N-facing rocky slope Comment
  CAS-BOT-BC31675  Carex luzulina var. ablata A. A. Heller 1920-7-6 13410 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC32005  Carex multicaulis Ira L. Wiggins 1950-5-28 12363 Siskiyou Margins of Carmen Lake, ca 1.5 mi E of Scott Mountain Road. 1737 Comment
  CHSC96015  Carex multicaulis L. P. Janeway 2006-7-4 8800 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  CHSC96599  Carex multicaulis L. P. Janeway 2006-7-2 8730 Siskiyou 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
  HSC97434  Carex multicaulis Jennifer Whipple 1976-6-30 1184 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2378 Comment
  CAS-BOT-BC32014  Carex multicaulis R. E. Frenkel 1964-7-14 696 Siskiyou On Everitt Memorial Hwy near Mt. Shasta, 4.7 mi N of McCloud River RR crossing. 1545 Comment
  HSC37147  Carex multicaulis J. O. Sawyer 1969-6-11 822 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  HSC97419  Carex multicaulis Jennifer Whipple 1978-7-20 2365 Siskiyou S face of Mount Eddy, draining into the N fork of the Sacramento River 2439 Comment
  RSA610010  Carex multicaulis L. C. Wheeler 1935-6-9 3558 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  UC1358 Image available Carex multicostata W. H. Brewer 1375 Siskiyou Mt. Shasta 2560 Comment
  CAS-BOT-BC32281  Carex multicostata Louis Cutter Wheeler 1934-8-6 3049 Siskiyou Bear Ground Bl. 1676 Comment
  CHSC39003  Carex nebrascensis J. D. Jokerst 1983-7-5 1829 b Siskiyou Atkin's Meadow. Ca 15 air miles east of McCloud. Comment
  HSC77270  Carex nebrascensis L. P. Janeway 1983-7-2 354 Siskiyou NW side of Klamath River and below Happy Camp 335 Comment
  SEINET7568931 Image available Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, north side of English Peak. 2164 Comment
  HSC39759  Carex nudata J. O. Sawyer 1970-4-3 2098 Siskiyou Along Sugar Creek 915 Comment
  SEINET7569426 Image available Carex nudata John Thomas Howell, T. C. Fuller, G. D. Barbe 1980-4-29 53432 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle. 991 Comment
  SEINET7569430 Image available Carex nudata John Thomas Howell, T. C. Fuller, G. D. Barbe 1980-5-20 53559 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle. 1006 Comment
  SD61024  Carex raynoldsii Darley F. Howe 1964-8-4 Siskiyou Modoc National Forest; Medicine Lake; meadow. 2012 Comment
  UC834792  Carex raynoldsii A. A. Heller 1922-7-15 13701 Siskiyou Medicine Lake 2133 Comment
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Jan 18 2008
  CHSC96546  Carex rossii L. P. Janeway 2006-7-2 8727 Siskiyou 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
  JEPS113331  Carex rossii L. P. Janeway 2006-7-2 8727 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. Comment
  HSC62616  Carex rossii Ruby Van Deventer Siskiyou Youngs Valley Comment
  UCR52392  Carex rostrata L. P. Janeway 1982-7-2 37 Siskiyou Poker Flat, at bottom of the break between the upper & lower portions of the meadow 1524 Comment
  HSC68514  Carex rostrata Maralyn A. Renner 1980-6-26 1175 Siskiyou Flint Valley. 1390 Comment
  CHSC95999  Carex scabriuscula L. P. Janeway 2006-7-4 8788 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  CHSC107105  Carex scirpoidea subsp. pseudoscirpoidea R. E. Brainerd 2009-7-21 1534 Siskiyou Trinity Mountains, Cumboot Meadow; 12.2 air miles west of Dunsmuir. UTM Zone 10 541147E 4562996N. 1821 Comment
  HSC39299  Carex scopulorum var. bracteosa J. O. Sawyer 1969-8-5 1752 Siskiyou W of Little Duck Lake 2073 Comment
  UCR52394  Carex sitchensis L. P. Janeway 1983-7-24 453 Siskiyou Slope between upper & lower parts of meadow at Poker Flat. 1524 Comment
  CAS-BOT-BC117249  Carex spectabilis John Thomas Howell 1937-7-25 13475 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC39287  Carex spectabilis J. O. Sawyer 1969-8-2 1702 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC69359  Carex spectabilis Maralyn A. Renner 1980-8-19 2486 Siskiyou S side of Caribou Lake 2104 Comment
  RSA142678  Carex spectabilis Phillip A. Munz 1960-8-22 24177 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  RSA238930  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 -b Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC77249  Carex stipata var. stipata L. P. Janeway 1983-7-30 466 Siskiyou Near S side of Klamath River, 3 mi. E of Copco Lake (River Access No. 4) 777 Comment
  UC836013  Carex straminiformis John Thomas Howell 1939-8-2 14908 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  CAS-BOT-BC33155  Carex straminiformis William Henry Brewer 1397 Siskiyou Pyramid Peak Comment
  RSA780398  Carex straminiformis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38977 Siskiyou Mt. Shasta National Forest: S Slope of Mt. Shasta, [along] streamlet originating as overflow from large water tank above ski-lodge 2317 Comment
  SEINET7577190 Image available Carex subfusca Ray Tallent 1987-8-13 916 Siskiyou Klamath National Forest. Forest Rd 39N11 at Little Jackson Creek; Along road. 1740 Comment
  RSA238971  Carex subfusca Frederick W. Oettinger 1969-8-19 1464 Siskiyou Moist area between King David Peak and Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC115278  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley, Marble Mts. Comment
  HSC76828  Carex utriculata L. P. Janeway 1982-7-2 39 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  JEPS25938  Carex vesicaria B. C. Goldsmith 1916-9-29 27 Siskiyou shore, Medicine Lake Medicine Lake 2072 Comment
  UCD77478  Carex vesicaria Robert E. Preston 2001-6-30 1657 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC114817  Carex whitneyi J. Major 1961-7-14 645 Siskiyou In Mud Creek, Mount Shasta. 1706 Comment
  CAS-BOT-BC59705  Cassiope mertensiana Louis C. Wheeler 1934-8-17 3178 Siskiyou N. side of White Mt., Siskiyou Mts. Mt. Diablo Mer. 1828 Comment
  HSC22112  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1969-7-9 1274 Siskiyou NE facing slope above S Sugar Lake 2256 Comment
  JEPS74435  Cassiope mertensiana subsp. ciliolata W. J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn. 2468 Comment
  RSA237251  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1967-7-8 163 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC241141  Castilleja applegatei subsp. pinetorum J. H. Chastain 1917-6-1 s.n. Siskiyou North fork of Trinity River Comment
  CHSC69836  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1976-6-30 1203 Siskiyou Mount Eddy, Klamath Mountains. Southeast slope of Mount Eddy draining into the North Fork of the Sacramento River. 2225 Comment
  UC625497  Castilleja applegatei subsp. pinetorum Frank W. Gould 1938-6-27 480 Siskiyou 3 mi n Mount Shasta (town) 1082 Comment
  CAS-BOT-BC243754  Castilleja applegatei var. pinetorum C. L. Hitchcock; J. S. Martin 1939-7-9 5327 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  CAS-BOT-BC243762  Castilleja applegatei var. pinetorum Elmer I. Applegate 1936-5-2 10203 Siskiyou Lava Beds National Monument between Indian Well and Caldwell Butte Comment
  CAS-BOT-BC243774  Castilleja applegatei var. pinetorum Alice Eastwood 1923-5-23 11912 Siskiyou Cantara, S.P.R.R. Comment
  CAS-BOT-BC94465  Castilleja arachnoidea R. C. Wenk 2005-7-19 324 Siskiyou Along Pacific Crest Trail, 2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2164 Comment
  HSC19027  Castilleja arachnoidea J. O. Sawyer 1969-6-13 1091 Siskiyou Slope above Little Duck Lake 2134 Comment
  UC885405  Castilleja arachnoidea Alice Eastwood 1921-7-29 10983 Siskiyou on road to Medicine Lake; Bear Spring Comment
  RSA183718  Castilleja arachnoidea subsp. schizotricha Gilbert Muth 1965-8-6 179 Siskiyou Backside of Blk. Mt. Marble Mts. 2073 Comment
  JEPS68260  Castilleja lacera L. R. Heckard 1972-5-31 2933 Siskiyou about 2 mi se Yreka 822 Comment
  CDA41245  Castilleja lacera G. D. Barbe, T. C. Fuller 1972-6-14 945 Siskiyou South of Oberlin Road, between Yreka and Montague. 0 Comment
  CAS-BOT-BC254005  Castilleja miniata J. H. Thomas; H. A. Thomas 1954-7-25 4533 Siskiyou Salmon-Trinity Mts. Vicinity of Rush lake and Rush Creek meadow. About 9 miles E of Cecilville. 1981 Comment
  JEPS76188  Castilleja miniata T. I. Chuang with Fei-Mei Chuang 1977-7-22 7634 Siskiyou Panther Meadow; Mt. Shasta 2194 Comment
  CAS-BOT-BC253622  Castilleja miniata L. R. Abrams 1926-7-4 11232 Siskiyou 1 mile west of Mt. Shasta City on road to Abrams Lake Comment
  RSA504754  Castilleja miniata Leg A Meebold 1935-07 19774 Siskiyou Mt. Shasta (city). Comment
  CAS-BOT-BC241051  Castilleja pilosa David D. Keck 1940-6-13 5171 Siskiyou 1 mi. S.W. of Grass Lake 1525 Comment
  CAS-BOT-BC32551  Castilleja pilosa Amos Arthur Heller 1905-6-20 8079 Siskiyou Gazelle Comment
  HSC20550  Castilleja pilosa R. C. Wunner 1965-6-7 128 Siskiyou Lava Beds National Monument, near Dragon Head Cave 1364 Comment
  HSC74866  Castilleja pruinosa J. P. Smith, Jennifer Whipple 1978-7-2 9986 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  RSA184820  Castilleja pruinosa Gilbert Muth 1966-7-14 394 -A Siskiyou Marble, south of Marble Valley, Marble Mountains. 1793 Comment
  CAS-BOT-BC241080  Castilleja schizotricha K. T. Stillman 1976-7-7 168 Siskiyou Marble Mountain Wilderness Area Comment
  CAS-BOT-BC241088  Castilleja schizotricha John Thomas Howell 1939-8-8 15182 Siskiyou Black Mts., Marble Mts. Comment
  RSA261373  Castilleja schizotricha J. M. Tucker, L. K. Mann 1963-8-18 3766 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  SFV8659  Castilleja schizotricha J. M. Tucker, L. K. Mann 1963-8-18 3766 Siskiyou Marble Mountain Wilderness Area. Saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain). 2104 Comment
  CAS-BOT-BC48648  Ceanothus cordulatus W. R. Dudley 1899-8-27 s.n. Siskiyou Sisson Comment
  UC618735  Ceanothus cordulatus W. B. C. 1938-6-17 11021 Siskiyou Sisson Southern Trail Mt. Shasta 1219 Comment
  SEINET13945833 Image available Ceanothus cuneatus F. G. Meyer 1938-1 1328 a Siskiyou On open slopes, 20 miles N of Redding Comment
  HSC101760  Ceanothus integerrimus J. P. Smith, J. O. Sawyer 2011-9-5 13419 Siskiyou Along Klamath National Forest Service Road 45N28, 0.2 mi. W of junction with Yreka-Walker Road. 1474 Comment
  RSA105432  Ceanothus integerrimus var. macrothyrsus G. D. Barbe 1955-6-30 57 Siskiyou 0.6 mile NW of Forest Camp, Etna 100ft S of Johnson Creek on dry hillside. 945 Comment
  RSA1132  Ceanothus lemmonii B. D. Stark 1929-7-25 1393 Siskiyou 1 miles S of Dunsmuir. 671 Comment
  CAS-BOT-BC51170  Ceanothus leucodermis C. G. Pringle August 13 s.n. Siskiyou unspecified 914 Comment
  CAS-BOT-BC53100  Ceanothus prostratus Doris K. Kildale; J. W. Gillespie 1929-6-22 8037 Siskiyou Mt. Shasta - Black Butte Comment
  UC61167  Ceanothus prostratus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  UCSB24688  Ceanothus prostratus Favere, R. 1968-4-21 Siskiyou on flat at foot of Black Butte; On old US 99, 3 miles north of Mount Shasta City; Scott Mountains. 1371 Comment
  UC163661  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn Road Comment
  RSA120637  Ceanothus velutinus G. D. Barbe 1955-8-1 320 Siskiyou SE of Craggy lookout on Mt Bolivar. 2195 Comment
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Mar 6 2013
  RSA398979  Ceanothus velutinus Bonnie C. Templeton 1964-6-9 10064 Siskiyou Slope of Mt. Shasta Comment
  RSA68856  Ceanothus velutinus A. E. Culbertson 1943-6-26 100 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  SD76170  Ceanothus velutinus Helen V. Witham 1969-10-9 594 a Siskiyou lower slopes of Mt. Shasta 1500 Comment
  UCR93372  Ceanothus velutinus Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  UCR95633  Ceanothus velutinus L. C. Wheeler 1963-9-3 8339 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  CAS-BOT-BC52805  Ceanothus velutinus var. velutinus Fred Klein 1969-9-7 s.n. Siskiyou Southwest face of Mt. Shasta 1524 Comment
  OBI56382  Centaurea diffusa Paul McCanna 1999-7-20 PDR 1128385 Siskiyou Vicinity of Yreka. T45N, R7w, Sect 21 BM: M Comment
  HSC33354  Centaurea virgata subsp. squarrosa William J. Ferlatte 1974-6-27 1501 Siskiyou 0.5 mile W of Hawkinsville on Long Gulch Rd.; N side 793 Comment
  RSA285948  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka Comment
  SJSU2588  Cephalanthera austiniae H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 2 mi W of junction of Indian Creek with W Branch Indian Creek, Siskiyou Mts 1066 Comment
  CAS-BOT-BC384989  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 mi. e. of Montague 807 Comment
  SEINET6331971  Cercocarpus betuloides G. D. Butler 1910-4-16 1179 Siskiyou Klamath Hills Comment
  JEPS45537  Cercocarpus betuloides var. macrourus Geo. D. Butler 1908-7-4 286 Siskiyou below Yreka (Shasta River); Shasta River Comment
  UCD113090  Cercocarpus ledifolius Joseph M. DiTomaso 1976-9-9 690 Siskiyou Trinity Alps. 2 miles N of Upper Caribou Lake. 2164 Comment
  CAS-BOT-BC276768  Chaenactis douglasii var. douglasii Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC276777  Chaenactis douglasii var. douglasii A. A. Heller 1905-6-9 8014 Siskiyou Montague Comment
  UC1408930  Chaenactis douglasii var. douglasii Frederick W. Oettinger 1968-8-16 529 Siskiyou n of Hancock Lake (near summit of Little Medicine Mountain (The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area)); Salmon Mountains, Little Medicine Mountain 2103 Comment
  UC699708  Chaenactis douglasii var. douglasii W. Bridge Cooke 1939-8-10 13872 Siskiyou area between Squaw Valley Creek and Mud Creek Canyon; Mount Shasta 2590 Comment
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Jul 12 2010
  CAS-BOT-BC106039  Chaenactis suffrutescens H. M. Hall; E. B. Babcock 1903-6-1 4081 Siskiyou Upper part of Shasta Valley - Mount Shasta 1158 Comment
  JEPS52290  Chaenactis suffrutescens Wayne Roderick 1966-6-26 Siskiyou 6 mi from either Fort Jones or Etna (in Scott Valley); Scotts Valley 853 Comment
  UCD19695  Chaenactis suffrutescens Donald W. Kyhos 1965-7-23 65 -278 Siskiyou 50 yards west of junction of Kidder Creek Bridge and Hwy 3 at Greenview. Comment
  CAS-BOT-BC141578  Chamaebatiaria millefolium Elmer I. Applegate 1915-9-20 3323 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds, near south shore of Tule Lake Comment
  CHSC98916  Chamaebatiaria millefolium L. P. Janeway; B. Castro 2007-7-28 9130 Siskiyou Modoc Plateau. Upper part of Callahan Flow, along Road 44N53 0.6 km north of Cinder Butte. 1731 Comment
  JEPS95133  Chamaebatiaria millefolium Vernon Oswald and Lowell Ahart 1997-7-28 8772 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  POM274980  Chamaebatiaria millefolium J. William Thompson 1936-7-8 13151 Siskiyou Lava slopes of Lava Beds Nat'l Monument. 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
  JEPS100296  Chamaesyce serpillifolia subsp. serpillifolia Dean W. Taylor 2001-8-28 17904 Siskiyou Mt. Shasta; Ski Park Highway 0.7 miles north from Highway 89 at Snowmans Hill Summit 1417 Comment
  HSC68061  Chamaesyce serpyllifolia J. P. Smith, Steve Selva 1970-7-17 4420 Siskiyou Along Klamath River. Comment
  UC637121  Chamaesyce serpyllifolia Edward Lee 1934-8-12 1048 Siskiyou 1/4 mi w mouth of Walker Creek (a tributary of the Klamath River (e side of Seiad Valley)) 426 Comment
  SBBG25891  Chamerion angustifolium D. Myrick 1966-8-10 1529 Siskiyou trail to Salmon Crk Trail, Mtn Meadow Ranch, Big Flat 1676 Comment
  CHSC4544  Chamerion angustifolium subsp. circumvagum J. E. Bowlin 1967-7-18 55 Siskiyou On roadside, and ca. 9.5 mi w of Mount Shasta Ski Bowl. Comment
  HSC188  Chamerion angustifolium subsp. circumvagum William J. Ferlatte 1967-8-21 1079 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC19502  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-7-23 1169 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC29136  Chamerion angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  UC1408914  Chamerion angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou outlet of Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 2072 Comment
  UC454600  Chamerion angustifolium subsp. circumvagum I. J. Condit 1911-7-3 Siskiyou along river Sacramento River, Shasta Retreat Comment
  UC1037385  Chamerion angustifolium subsp. circumvagum Douglas Barbe 1955-7-5 104 Siskiyou on Greenview Rd 5 mi n Etna; Klamath Mountains 883 Comment
  HSC373  Cheilanthes gracillima William J. Ferlatte 1966-6-22 117 Siskiyou Josephine Lake Basin 1677 Comment
  HSC69196  Cheilanthes gracillima Maralyn A. Renner 1980-9-1 2691 Siskiyou Bear Mtn. Comment
  UC42423  Cheilanthes gracillima Marshall A. Howe Aug. 1894 Siskiyou near Shasta (Soda Springs) Comment
  CAS-BOT-BC68219  Cheilanthes gracillima J. H. Thomas 1954-5-14 4173 Siskiyou Salmon Mountains, Klamath National Forest - Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1219 Comment
  HSC99982  Cheilanthes gracillima Thomas W. Nelson, & Sydney Carothers 2005-7-17 9390 Siskiyou Etna Summit along Etna-Forks of the Salmon Rd.. 1804 Comment
  RSA120811  Cheilanthes gracillima G. D. Barbe 1955-7-9 156 Siskiyou South side of Kangaroo Lake, Scott Mountains 1829 Comment
  RSA44884  Cheilanthes gracillima J. C. Roos 1948-9-1 3947 Siskiyou tufted in rocks, on high ridge, summit of pass, southwest of Etna Comment
  UC399610  Cheilanthes gracillima Geo. D. Butler 1910-3-13 1126 Siskiyou rocky bluff on Klamath River Comment
  UC1536790  Chenopodium album Gordon H. True Jr. 1939-7-25 1033 Siskiyou nw Dorris; Meisse Lake Comment
  UC452633  Chenopodium berlandieri H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  JEPS59739  Chenopodium botrys Geo. D. Butler 1908-7-6 82 Siskiyou near Yreka; Butler's Ranch Comment
  POM210956  Chenopodium vulvaria L. C. Wheeler 1934-10-6 3307 Siskiyou Edge of path, Yreka. 793 Comment
  RSA64788  Chenopodium vulvaria L. C. Wheeler 1934-10-6 11412 Siskiyou Edge of path, Yreka. 793 Comment
  CHSC9504  Chimaphila menziesii J. F. Goodwin 1971-7-3 141 Siskiyou 50 ft. south of road under firs, with orchids and ferns, 8.5 mi. south of Mt. Shasta Ski Bowl area. 1493 Comment
  RSA187382  Chimaphila menziesii H. A. Thomas, J. H. Thomas, Alan Thomas 1954-7-21 4420 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1159 Comment
  CAS-BOT-BC451438  Chimaphila menziesii S. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  CAS-BOT-BC452282  Chimaphila umbellata John Thomas Howell 1937-7-26 12559 Siskiyou Caribou Gulch Comment
  UC32701  Chimaphila umbellata I. W. Morse Jul 1886 Siskiyou Shasta Comment
  UC637049  Chimaphila umbellata Edward Lee 1934-8-13 1086 Siskiyou watershed of W. Branch Indian Creek (Happy Camp-Waldo (Oregon) Rd.); Klamath Nat'l Forest, W. Branch Indian Creek 1463 Comment
  JEPS58868  Chimaphila umbellata W. L. Jepson 1902-7-22 2088 Siskiyou trail from Salmon Forks (Salmon Summit); Western Siskiyou, Salmon Summit 1371 Comment
  POM230559  Chimaphila umbellata subsp. occidentalis J. T. Howell 1937-7-26 13559 Siskiyou Caribou Gulch. Comment
  RSA245292  Chimaphila umbellata subsp. occidentalis Carl W. Mize 1972-6-22 87 Siskiyou Forks of Salmon quad. 1113 Comment
  RSA105418  Chrysanthemum leucanthemum G. D. Barbe 1955-6-29 46 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  HSC22114  Chrysolepis sempervirens J. O. Sawyer 1969-8-1 1669 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  SEINET11860560  Chrysothamnus nauseosus subsp. albicaulis J. P. Tracy 1949-9-15 18560 Siskiyou Black Bear Mine, Salmon Mountains 1219 Comment
  UC904776  Chrysothamnus viscidiflorus subsp. viscidiflorus W. Bridge Cooke 1949-8-26 25689 Siskiyou opposite Coquette Falls (e bank of Bolam Creek); Mount Shasta, Bolam Creek 2590 Comment
  JEPS15737  Cicuta douglasii T. S. Brandegee July 1887 Siskiyou Edgewood Comment
  SEINET3156166  Cicuta occidentalis G. D. Butler 1910-7-15 1788 Siskiyou Uro Fens Creek Comment
  HSC69566  Cinna latifolia Maralyn A. Renner 1980-8-6 2271 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC96305  Cinna latifolia Gordon Leppig 1998-8-14 1035 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC96870  Cinna latifolia Gordon Leppig 1998-8-13 998 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque W of Little Duck Lake 2200 Comment
  UC157918  Circaea alpina subsp. pacifica Milo S. Baker 1898-8-1 494 Siskiyou Payne's Springs Comment
  UC164412  Circaea alpina subsp. pacifica Geo. D. Butler 1910-6-4 1499 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC285350  Cirsium andersonii Peter H. Raven 1956-9-4 10377 Siskiyou Ridge s. of Mt. Eddy 2286 Comment
  HSC68166  Cirsium andersonii J. P. Smith, Steve Selva 1970-7-27 4524 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  CHSC91258  Cirsium cymosum Lowell Ahart; John Dittes 2005-6-10 12126 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC32850  Cirsium douglasii var. breweri Alice Eastwood 1912-7-17 1199 Siskiyou Sisson Comment
  POM195504  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City. Comment
  CAS-BOT-BC279892  Cirsium douglasii var. breweri R. Ornduff; J. R. Swanson 1960-7-27 6271 Siskiyou About one mile north of Trinity County line on road from Scott Mountain to Trinity Center Comment
  RSA0070868  Cirsium remotifolium E. K. Balls 1949-7-10 13959 Siskiyou 3 miles from Sawyer's Bar on road to Cecilville. 793 Comment
  UCD130676  Cirsium remotifolium var. odontolepis A. H. Murphy 1956-8-16 56 AA Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 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-BC228961  Cistanthe umbellata H. A. Thomas; J. H. Thomas 1954-7-24 4485 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Ruch Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  UCD169448  Clarkia lassenensis Lowell Ahart; John Dittes 2005-6-10 12099 Siskiyou About 6 miles (air) east-southeast of Grenada, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 100 yards southeast of the pump house along the Shasta River. 776 Comment
  CAS-BOT-BC163184  Clarkia lassenensis Elmer I. Applegate 1935-6-6 9348 Siskiyou Indian Well, Lava Beds National Monument Comment
  JEPS33855  Clarkia rhomboidea Gilbert Muth 1966-7-22 432 Siskiyou meadow below Marble Rim; Marble Mt. Wilderness Area 2011 Comment
  UC164439  Clarkia rhomboidea Geo. D. Butler 1909-7-15 926 Siskiyou Highland Mine Comment
  UC164469  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou near Hawkinsville Comment
  UC61179  Clarkia rhomboidea W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  POM208195  Clarkia rhomboidea Louis C. Wheeler 1934-6-19 2740 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  RSA458874  Clarkia rhomboidea M. B. Dunkle 1944-7-15 9111 Siskiyou Siskiyou National Forest. Coastal northern California. 1768 Comment
  RSA789824  Clarkia rhomboidea Rebecca Wenk 2005-7-15 196 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose mine trail. 2043 Comment
  CAS-BOT-BC439103  Claytonia cordifolia Geo. D. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC439142  Claytonia exigua subsp. exigua Dorothy Parker 1947-3-30 s.n. Siskiyou Hartstrand Gulch, east side of Scott Valley 822 Comment
  CDA23949  Claytonia exigua subsp. exigua F. D. Horn 1978-3-3 Siskiyou Shasta River Canyon near Yreka. 0 Comment
  JEPS43220  Claytonia lanceolata W. L. Jepson 1907-7-5 2836 Siskiyou Marble Mt. 2133 Comment
  HSC73412  Claytonia obovata Doug Renwick, Robert Kirkpatrick 1981-5-30 162 Siskiyou 1/2 mi. E of Hwy. 3 on the dirt road heading E at Scott Mtn. Pass 1707 Comment
  SEINET7042820  Claytonia perfoliata A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between railroad and highway 99 [I5]. Weed quadrangle UTM Zone 10, 549920mE, 4586493mN. Comment
  JEPS43385  Claytonia rubra Geo. D. Butler 1909-3-24 676 Siskiyou Oro Fino Comment
  HSC46057  Claytonia rubra subsp. rubra Maralyn O'Meara 1974-5-25 418 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  HSC22227  Claytonia rubra subsp. rubra J. O. Sawyer 1969-7-1 992 Siskiyou Above Paynes Lake Creek 1951 Comment
  CAS-BOT-BC92764  Clematis ligusticifolia Geo. B. Grant 1902-9-14 s.n. Siskiyou Dunsmuir. 609 Comment
  CHSC1441  Clematis ligusticifolia 1937-8-1 Siskiyou Mt. Shasta. 1219 Comment
  SBBG70275  Cleome platycarpa A. A. Heller 1927-8-2 14440 Siskiyou N end of Shasta Valley, near the Klamath River Comment
  UC1299331  Clintonia uniflora Freed W. Hoffman 1948-7-9 2569 Siskiyou 4.1 mi n of West Branch Public Camp (Waldo-Happy Camp Road); North Coast Ranges, Waldo-Happy Camp Road Comment
  UC164235  Clintonia uniflora Geo. D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  UC338808  Clintonia uniflora unknown 1444 Siskiyou near Shasta; California Comment
  UCSB24415  Clintonia uniflora Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  RSA377071  Clintonia uniflora M. B. Dunkle 1944-7-3 9065 Siskiyou Siskiyou National Forest. Comment
  SEINET8472241  Clintonia uniflora G. D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek. Comment
  UC1409411  Collinsia linearis Frederick W. Oettinger 1969-7-11 978 Siskiyou area due w of nw end of Hancock Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1950 Comment
  POM43374  Collinsia linearis Geo. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain. Comment
  RSA145236  Collinsia linearis Dorothy Parker 1960-5-23 750 Siskiyou Salmon River below Sawyer's Bar. Comment
  CDA17134  Collinsia parviflora G. F. Hrusa 2001-6-6 15848 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  HSC33976  Collinsia parviflora J. P. Smith 1974-5-25 7468 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC169329  Collinsia parviflora Harley P. Chandler Jun 1901 1686 Siskiyou North Coast Ranges, Marble Mountain Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  SJSU6507  Collinsia rattanii R. W. Trivelpiece 1972-6-15 120 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp Comment
  JEPS6163  Collinsia rattanii W. L. Jepson 1937-7-30 18540 Siskiyou near Poker Flat (summit of Siskiyou Mtns); Siskiyou Mtns. 1554 Comment
  RSA12500  Collinsia torreyi var. latifolia Carl B. Wolf 1934-7-4 5936 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13.5 mi. from Horse Creek Bridge on Klamath River. 1524 Comment
  UCD123695  Collinsia torreyi var. latifolia W. C. Overton Jr. 1977-7-10 s.n. Siskiyou along trail from Big Flat to Sunrise Pass (between headwaters of Gulick Creek to northwest and Sunrise Creek to southeast) in area where trail leaves forest and enters large, open meadow and shurb area at head of Gulick Creek, Klamath National Forest. 2145 Comment
  HSC82211  Collomia grandiflora Thomas W. Nelson, Jane P. Nelson 1980-7-5 5974 Siskiyou Fowler's Campground 1006 Comment
  RSA12605  Collomia grandiflora C. B. Wolf 1934-7-6 5980 Siskiyou 1/4 mi. east of Mt. Shasta City. S.W. slope of Mt. Shasta. Comment
  RSA411151  Collomia grandiflora L. C. Wheeler 1934-6-25 2777 Siskiyou West Fork, Cottonwood Creek. Siskiyou Mts. 1159 Comment
  UC455654  Collomia grandiflora I. J. Condit 1911-7-6 Siskiyou along RR and elsewhere Shasta Retreat Comment
  JEPS71017  Collomia grandiflora Ruby Van Deventer 1938-7-31 192 Siskiyou on Del Norte-Siskiyou boundary Summit Siskiyou Mts. 1158 Comment
  SEINET13773600  Collomia grandiflora G. D. Butler 1910-5-19 1366 Siskiyou Yreka Comment
  UC1347199  Collomia linearis John Thomas Howell 1937-7-22 13262 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  CAS-BOT-BC540702  Collomia tinctoria Dana York 2012-7-21 3131 Siskiyou Siskiyou Mountains: Rogue River, Siskiyou National Forest, ca. 270 m W of Echo Lake (slopes above lake) 1800 Comment
  CHSC1229  Collomia tinctoria A. Anderson 1962-9-15 Siskiyou Salmon summit. 2164 Comment
  HSC30629  Collomia tinctoria Frederick W. Oettinger 1968-8-18 576 Siskiyou Marble Mtn. Wilderness area, slope in draw below Tobacco Lake 1890 Comment
  CDA32137  Convolvulus arvensis M. Beyers, G. F. Hrusa 2010-8-18 693 Siskiyou Highway 96; Sluice Box Klamath River Access. 0 Comment
  HSC65318  Convolvulus arvensis J. P. Smith, Steve Selva 1970-8-9 4575 Siskiyou In potato fields W of Macdoel. Comment
  HSC27095  Conyza canadensis J. P. Smith, J. O. Sawyer 1972-9-14 5806 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  HSC46112  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3989 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  HSC46114  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3991 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  UC4415  Corallorhiza maculata Milo S. Baker 1893-7-15 Siskiyou 6 mi below Bartles; McCloud River Comment
  HSC19040  Corallorhiza mertensiana J. O. Sawyer 1969-7-18 1387 Siskiyou Near South Russian Creek 1890 Comment
  HSC494  Corallorhiza mertensiana William J. Ferlatte 1966-6-22 84 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC64279  Corallorhiza mertensiana J. O. Sawyer 1978-7-6 3298 Siskiyou Along Happy Camp-O'Brien Rd. 1220 Comment
  RSA237634  Corallorhiza mertensiana Frederick W. Oettinger 1967-7-30 222 Siskiyou Near the campsite at the N end of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1723 Comment
  SEINET8733336 Image available Cordylanthus pilosus var. bolanderi Herbert L. Mason 1950-1 14064 Siskiyou 5 miles south of summit of road from Happy Camp, California, to Waldo, Oregon Comment
  SEINET3864281  Cordylanthus tenuis Barbara L. Wilson, R. E. Brainerd 2010-8-6 16231 Siskiyou North Shore Road, north side of Lake Siskiyou, 1.2 miles west of cross road.; 0 997 Comment
  UCD123125  Cordylanthus tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16221 Siskiyou Dunsmuir; road 1M036 (Railroad Park Road) across from the railroad museum. 806 Comment
  CHSC105582  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16205 Siskiyou Forest Service Road 41N26, the Eddy Creek Road, 2.8 miles above the junction with Old Stagecoach Road (study site 11). Lat. and Long. indicated +/- 22 feet. 1280 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
  JEPS77479  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1978-9-7 4973 Siskiyou sw Weed (s of Edgewood, road below Stewart Springs) 975 Comment
  RSA422821  Cornus L. C. Wheeler 1934-7-16 2909 Siskiyou Oak Knoll Ranger Station, on Klamath River. Mt. Diablo Mer. 671 Comment
  CAS-BOT-BC212277  Cornus glabrata A. M. Vollmer; L. Beane 1951-6-2 45 Siskiyou Klamath River Highway, between U.S. 99 & Gottville Comment
  CAS-BOT-BC212062  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  CAS-BOT-BC210414  Cornus sericea Alice Eastwood 1921-7-30 11004 Siskiyou Soda Creek Comment
  CAS-BOT-BC210416  Cornus sericea Alice Eastwood 1912-7-21 1272 Siskiyou Sisson Comment
  UC21530  Cornus sericea subsp. sericea Milo S. Baker 1893-6 Siskiyou 6 mi. below Bartles (McCloud R.); McCloud R. Comment
  UC933381  Cornus sericea subsp. sericea Annie M. Alexander and Louise Kellogg 1948-9-6 5586 Siskiyou S. Fork Salmon R. at Matthews Creek; Siskiyou Mts., S. Fork Salmon R., Matthews Creek Comment
  CDA4036  Coronilla varia G. D. Barbe, T. C. Fuller 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. 0 Comment
  CAS-BOT-BC180198  Corylus cornuta subsp. californica Geo. D. Butler 1910-5-30 1433 Siskiyou Humbug Creek Comment
  CDA39610  Corylus cornuta var. californica T. C. Fuller, D. H. Shaw 1974-9-24 20037 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  SEINET196193  Crataegus douglasii R. S. Ferris, L Lorraine 1948-6-12 11822 Siskiyou E fork of Scott River Drainage; Parker Ranch; Plowman's (Noyes) Valley 1204 Comment
  HSC60816  Crepis acuminata Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS19781  Crepis acuminata Rimo Bacigalupi with S. Galen Smith 1957-6-26 5943 Siskiyou along road to Gumboot Lake about 11 mi sw Mt. Shasta town; Scott Camp Ridge 1219 Comment
  CHSC93526  Crepis bakeri Lowell Ahart; John Dittes 2005-6-9 12028 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
  JEPS36459  Crepis occidentalis Geo. D. Butler 1909-5-31 748 Siskiyou Hawkinsville Comment
  UCD77571  Crepis occidentalis Robert E. Preston 2002-6-20 1840 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1946 Comment
  CAS-BOT-BC290738  Crepis occidentalis subsp. conjuncta Harley P. Chandler 1901-6-1 1644 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  UC581193  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2447 Siskiyou n-facing slope on ridge between Big Mill and Mule Creek (near road from Callahan to Carrville) 1120 Comment
  CAS-BOT-BC290871  Crepis pleurocarpa Louis C. Wheeler 1934-8-16 3168 Siskiyou 2 mi. E White Mt., Siskiyou Mts. 1920 Comment
  CAS-BOT-BC290880  Crepis pleurocarpa Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  UC165390  Crepis pleurocarpa Geo. D. Butler 1910-7-12 1758 Siskiyou Shacckleford Creek 1371 Comment
  JEPS67620  Cryptantha intermedia M. K. Curran Jul 1887 Siskiyou Edgewood Comment
  UC1199974  Cryptantha intermedia Roy L. Taylor 1960-6-12 4446 Siskiyou 1 mi w jct. of Hwy. 96 (Klamath River Road) and Hwy. 99 (n of Yreka, above Klamath River) Comment
  UC79567  Cryptantha intermedia Katharine Brandegee Jul 1887 Siskiyou Edgewood Comment
  HSC82223  Cryptantha torreyana Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4544 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC82248  Cryptantha torreyana Thomas W. Nelson, Jane P. Nelson 1980-7-5 5983 Siskiyou Fowler's Campground 1006 Comment
  HSC1020  Cryptogramma acrostichoides Dorothy Parker 1949-7-10 347 Siskiyou Above Paradise Lake, Salmon Mtn. 1982 Comment
  HSC376  Cryptogramma acrostichoides William J. Ferlatte 1967-6-30 600 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC80542  Cupressus bakeri Oliver V. Matthews 1939-7-14 33 Siskiyou North-westerly Grove, [Goose Nest] Goosenest Region 1828 Comment
  CAS-BOT-BC80554  Cupressus bakeri Oliver V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove, Cook and Green Region 1219 Comment
  CAS-BOT-BC85603  Cupressus bakeri Malcom P. Anderson 1902-2-16 s.n. Siskiyou Forks of Seiad Creek, Siskiyou Mts. Comment
  JEPS48247  Cupressus bakeri Louis C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek Siskiyou Mts. 1158 Comment
  RSA256700  Cupressus bakeri J. P. Smith 1973-5-5 s.n. Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road. Comment
  UC1321451  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou approximately 100 yds n Quarry in section 25 (plot 52-54-1); Fall River Mills Quad 1109 Comment
  SEINET10531424  Cupressus bakeri Carl B. Wolf, E. R. Johnson 1934-10-8 Wolf 2127 Siskiyou Modoc Lava beds, 1 mi N.E. of timbered crater on old stage Rd. from Dana to Little Hot Springs Valley. Arid transition:- Arctostaphlos Patula, Yellow Pines. Sun. Lava Rock. 1220 Comment
  SEINET11052424  Cupressus bakeri D. Charlet, T. Charlet 1996-11-25 2344 Siskiyou Scott Bar Mountains, Scott River, between Spring Flat and Kelsey station. 683 Comment
  JEPS47092  Cuscuta cephalanthi George B. Grant 1902-9-4 5217 Siskiyou Sisson 914 Comment
  UCD121386  Cycladenia humilis Robert E. Preston 1996-7-23 982 Siskiyou 0.1 mi w of Forest Route 49, near Jot Dean Ice Caves. Comment
  UC572799  Cycladenia humilis var. humilis unknown 1937-9-3 9340 Siskiyou 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
  SD60190  Cymopterus terebinthinus var. californicus A. A. Heller 1928-6-9 14597 Siskiyou On Spring Hill near Sisson. Comment
  CDA38229  Cymopterus terebinthinus var. californicus William J. Ferlatte 1988-6-1 s.n. Siskiyou Near Weed; Highway 97 at Big Springs Rd. Comment
  JEPS64056  Cyperus squarrosus B. C. Goldsmith 1916-9-9 21 Siskiyou Klamath R., Klamath Hot Springs Comment
  HSC79094  Cyperus squarrosus Paul Wilson 1984-8-29 358 Siskiyou Juanita Lake Reservoir, next to lake edge 1555 Comment
  JEPS46152  Cypripedium fasciculatum Duncan Dunning 1923-6-15 Siskiyou trail from Sawyers Ridge to Blue Ridge Comment
  HSC26704  Cystopteris fragilis William J. Ferlatte 1971-9-18 1381 Siskiyou Caribou Basin, Sawtooth Ridge 2378 Comment
  HSC30606  Dactylis glomerata Frederick W. Oettinger 1968-9-6 739 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake Region 2188 Comment
  CAS-BOT-BC445494  Damasonium californicum Lillian S. Mott 1967-7-2 LM 6764 Siskiyou Near Dorris 1371 Comment
  CAS-BOT-BC192249  Danthonia californica Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake, near Salmon Mt. 2042 Comment
  CAS-BOT-BC192251  Danthonia californica Copeland 1903-9-6 3789 Siskiyou Mt. Eddy Comment
  UC60432  Danthonia californica E. Palmer 1892-1 2666 Siskiyou near Mt. Shasta Comment
  SEINET10598237  Danthonia californica George D. Butler 1910-7-8 Butler 1660 Siskiyou Wet meadow, Shackleford Creek. 1219 Comment
  RSA233683  Danthonia intermedia R. F. Thorne, Frederick W. Oettinger 1969-8-10 38960 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows. Comment
  HSC69057  Danthonia intermedia subsp. intermedia Maralyn A. Renner 1980-8-6 2318 Siskiyou Cracker Meadow 1555 Comment
  HSC76753  Danthonia unispicata K. T. Stillman 1976-7-21 277 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC68569  Danthonia unispicata Maralyn A. Renner 1980-6-24 1054 Siskiyou Ridge 0.5 mi. E of Cook and Green Pass 1555 Comment
  UC30134  Darlingtonia californica W. C. Blasdale July, 1899 1074 Siskiyou Siskiyou Mts. Comment
  UC165440  Darmera peltata Geo. D. Butler 1910-4-24 1234 Siskiyou Shackleford Creek Comment
  HSC64753  Dasiphora fruticosa J. P. Smith, Steve Selva 1970-7-17 4451 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC2241  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  CDA24230  Delphinium andersonii Vernon H. Oswald & Lowell Ahart 1998-6-11 9227 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  RSA120765  Delphinium depauperatum S. S. Tillett 1956-7-9 632 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  CAS-BOT-BC8979  Delphinium depauperatum Dorothy Inez Parker 1967-6-1 s.n. Siskiyou Scott Mountain 1524 Comment
  HSC40241  Delphinium nudicaule J. P. Smith 1976-5-5 8693 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  HSC41688  Delphinium nuttallianum J. P. Smith 1976-5-5 8704 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  HSC61773  Delphinium nuttallianum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC679  Delphinium nuttallianum William J. Ferlatte 1966-6-23 150 Siskiyou Big Flat, near public camp 1524 Comment
  HSC78190  Delphinium nuttallianum L. P. Janeway 1983-7-10 405 Siskiyou Poker Flat 1524 Comment
  HSC36879  Delphinium nuttallianum J. P. Smith 1974-5-26 7545 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC44503  Delphinium nuttallianum K. Irwin 1977-5-21 373 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 Comment
  RSA273076  Delphinium trolliifolium Alice Eastwood, John T. Howell 1937-6-26 5036 Siskiyou Salmon Mts, 10 miles SW of Etna. Comment
  CHSC60569  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-26 601 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the meadow. 1524 Comment
  RSA758077  Deschampsia cespitosa subsp. cespitosa Barbara Ertter 1990-7-14 9320 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  UCD61084  Deschampsia cespitosa subsp. holciformis Sami Gray; Barbara L. Wilson 1995-9-2 8071 Siskiyou Klamath National Forest; Mount Eddy; upper end of Upper Deadfall Lake. Comment
  CAS-BOT-BC201940  Deschampsia elongata Alice Eastwood 1921-7-24 10773 Siskiyou Castle Lake Comment
  HSC88847  Deschampsia elongata J. P. Smith, Steve Selva 1970-6-16 4049 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  SEINET10524232  Deschampsia elongata Lawrence P. Janeway 1983-1 Janeway 662 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. Along dirt road in dry southwest part of the meadow. 1524 Comment
  CAS-BOT-BC43135  Descurainia pinnata subsp. brachycarpa Lincoln Constance; Reed Clark Rollins 1942-5-14 2932 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  CAS-BOT-BC43519  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  RSA433580  Dicentra formosa subsp. formosa Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  UC1185288  Dicentra pauciflora H. E. Brown 1897-6-15 418 Siskiyou n side Mount Shasta 1524 Comment
  CAS-BOT-BC208959  Dichanthelium oligosanthes subsp. scribnerianum Carl B. Wolf 1927-8-26 1099 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  HSC44866  Dichelostemma capitatum subsp. capitatum J. P. Smith 1973-5-5 6455 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC45013  Dichelostemma capitatum subsp. capitatum J. P. Smith 1973-5-5 6485 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC71076  Dichelostemma ida-maia M. A. Baker 1980-6-20 2197 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC502224  Dichelostemma ida-maia Geo. D. Butler 1909-7-15 889 Siskiyou Salmon Range 1828 Comment
  RSA237875  Dichelostemma ida-maia Frederick W. Oettinger 1969-7-31 1119 Siskiyou Just above Willow Springs along the trail between Abott s Upper Cabin and English Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1692 Comment
  UC375155  Dichelostemma multiflorum Geo. D. Butler 1909-7-20 887 Siskiyou Highland Mine Salmon Range 1828 Comment
  UC375190  Dichelostemma multiflorum Geo. D. Butler 1909-5-15 789 Siskiyou Shasta Rim hills Shasta Rim Comment
  RSA47979  Dichelostemma multiflorum Roxana S. Ferris, Laura Lorraine 11784 Siskiyou Outskirts of Etna. Comment
  CAS-BOT-BC291016  Dieteria canescens var. shastensis Grant 1902-9-7 5119 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC291014  Dieteria canescens var. shastensis Alice Eastwood 1912-9-1 2074 Siskiyou Horse Camp, Mount Shasta Comment
  CAS-BOT-BC153302  Diplacus kelloggii L. B. Kildale 1930-6-1 9709 Siskiyou Salmon River between Somes Bar and Forks of Salmon Comment
  CAS-BOT-BC153456  Diplacus layneae Alice Eastwood 1923-5-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC153454  Diplacus layneae Alice Eastwood 1912-7-17 1271 Siskiyou Sisson Comment
  CAS-BOT-BC153724  Diplacus nanus Roxana S. Ferris; Laura Lorraine 1948-6-12 11851 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  CAS-BOT-BC153726  Diplacus nanus Clare B. Hardham 1961-6-30 8030 Siskiyou Mud Springs 1981 Comment
  UC796501  Disporum hookeri Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11750 Siskiyou French Creek Logging Road w of Callahan; French Creek Logging Road 1066 Comment
  RSA78835  Dodecatheon hendersonii P. A. Munz 1952-7-2 17913 Siskiyou Ridge west of Baldy Mt. L. O., 6 mi. by air west of Happy Camp. Siskiyou Mts. 1768 Comment
  RSA78680  Dodecatheon hendersonii P. A. Munz 1952-7-2 17873 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1494 Comment
  UC1409474  Dodecatheon jeffreyi Frederick W. Oettinger 1968-8-3 380 Siskiyou at Base Camp Meadow between Diamond and Hancock Lakes (High Lake Basins in vicinity English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  UC165970  Dodecatheon jeffreyi Geo. D. Butler 1910-6-5 1522 Siskiyou Loy Lake Shackleford Creek, Loy Lake Comment
  HSC29233  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou Marble Mountain Wilderness Area, along inlet stream on SW side of Upper English Lake 1768 Comment
  SBBG25838  Downingia yina D. Myrick 1966-8-8 1479 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  SEINET5342823  Draba nemorosa G. Butler 1910-4-10 1162 Siskiyou Dry thickets near Yreka. Comment
  UCD115549  Draba pterosperma Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou NE-face of Marble Mountain, Marble Mountains. 2133 Comment
  CAS-BOT-BC41409  Draba verna L. E. Smith 1913-3-26 24 Siskiyou Yreka near depot. Comment
  CAS-BOT-BC41411  Draba verna L. E. Smith 1915-3-15 s.n. Siskiyou Yreka. Comment
  HSC28659  Drosera rotundifolia Frederick W. Oettinger 1969-7-31 1113 Siskiyou Marble Mtn. Wilderness Area, W above English Lake 1829 Comment
  JEPS80530  Drymocallis Gilbert Muth 1966-7-17 405 Siskiyou trail to Lookout (Marble Mt. Wilderness Area); Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC159680  Drymocallis glandulosa Gilbert Muth 1966-7-17 405 Siskiyou Trail to Lookout, Marble Mts. 1828 Comment
  CAS-BOT-BC159433  Drymocallis glandulosa var. glandulosa John Thomas Howell 1937-7-21 13157 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC165749  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  JEPS25594  Drymocallis glandulosa var. reflexa Rimo Bacigalupi 1959-7-2 7226 Siskiyou near n base Caribou Mtn (and just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, Big Flat Campground); headwaters South Fork Salmon River, Coffee Creek drainage 1508 Comment
  UC54354  Drymocallis hansenii H. M. Hall and E. B. Babcock June, 1903 4136 Siskiyou Pole Canyon Sierra Nevada Mountains, Pole Canyon (north-eastern Shasta County) 1463 Comment
  JEPS96969  Drymocallis lactea var. austiniae Dean W. Taylor 1996-7-25 15844 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest Comment
  CAS-BOT-BC159293  Drymocallis lactea var. lactea John Thomas Howell 1939-8-2 14940 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC134  Drymocallis lactea var. lactea William J. Ferlatte 1967-6-30 598 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC159285  Drymocallis lactea var. lactea A. A. Heller 1922-7-14 13685 Siskiyou At the base of Little Huffman Mountain 2133 Comment
  HSC29656  Drymocallis rhomboidea Frederick W. Oettinger, R. F. Thorne 1969-8-5 1209 Siskiyou Marble Mtn. Wilderness Area, Willow Spring on English Lake trail 1677 Comment
  JEPS121386  Eleocharis decumbens Barbara L. Wilson 2011-8-23 16873 Siskiyou Fawn Creek meadows Comment
  RSA577441  Eleocharis parishii L. C. Wheeler 1934-6-3 2628 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  SEINET10587561  Eleocharis rostellata Lowell Ahart, John Dittes 2005-6-10 Ahart 12097 Siskiyou T43N, R5W, northwest 1/4 Section 5. 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CAS-BOT-BC451559  Elodea canadensis Louis C. Wheeler 1934-6-2 2624 Siskiyou Klamath National Forest, Cherry Flat, Klamath R. 518 Comment
  CAS-BOT-BC197359  Elymus Louis C. Wheeler 1934-8-14 3132 Siskiyou White Mountain: North side 1767 Comment
  SEINET10558319  Elymus condensatus H. E. Brown 1897-7-15 Brown 504 Siskiyou South side Mt. Shasta. 1524 Comment
  CAS-BOT-BC227917  Elymus elymoides John Thomas Howell 1939-8-6 15107 Siskiyou Elk Mt., Marble Mts. Comment
  UCR142980  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Klamath Ranges; Siskiyou Mountains, Rock 'Gulch' [Creek] off Jaynes Canyon 1829 Comment
  UC618876  Elymus elymoides subsp. elymoides W. Bridge Cooke 1938-7-15 11266 Siskiyou Wagon Camp Mount Shasta (around outer portions of meadows) 1737 Comment
  HSC4775  Elymus elymoides var. californicus William J. Ferlatte 1966-8-4 316 Siskiyou Yellow Rose Mine 1982 Comment
  HSC36419  Elymus glaucus J. O. Sawyer 1968-7-10 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UCD61889  Elymus glaucus Geo. D. Butler 1908-6-25 479 Siskiyou Along Creek near Yreka. Comment
  CHSC61571  Elymus glaucus subsp. glaucus L. P. Janeway 1983-9-11 682 Siskiyou Siskiyou Mountains; at Poker Flat. Southwest side of lower portion of the meadow. 1524 Comment
  HSC69279  Elymus glaucus subsp. glaucus Maralyn A. Renner 1980-7-24 1993 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC101713  Elymus repens J. P. Smith, J. O. Sawyer 2011-6-25 13262 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC64828  Elymus spicatus J. P. Smith, Steve Selva 1970-6-16 3970 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  CAS-BOT-BC204265  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-20 6367 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  SEINET238870 Image available Elymus trachycaulus subsp. trachycaulus Beecher Crampton 1956-8-22 3867 Siskiyou South slope of Mt. Shasta. 1646 Comment
  JEPS107657  Elytrigia intermedia subsp. barbulata Lowell Ahart, John Dittes 2005-6-10 12121 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  HSC16333  Epilobium brachycarpum D. M. Thomson 1965-7-31 159 Siskiyou Lava Beds National Monument, 1 mi. S of dump on telephone line road Comment
  UC164346  Epilobium brachycarpum Geo. D. Butler 1908-8-26 156 Siskiyou roadside near Etna Comment
  HSC19480  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-7-9 1207 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  POM32629  Epilobium ciliatum subsp. ciliatum E. B. Copeland 1903-7-7 3548 Siskiyou Hornbrook. Comment
  JEPS94069  Epilobium densiflorum Vernon H. Oswald and Lowell Ahart 1998-9-8 9604 Siskiyou ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir (Julia Glover Flat on USFS 3); Julia Glover Flat 1112 Comment
  UC971917  Epilobium densiflorum Herbert L. Mason 1950-7-15 14045 Siskiyou Scott Creek Scott Valley (stream wash) Comment
  RSA264966  Epilobium hallianum Gilbert Muth 1975-7-30 s.n. Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  UC107989  Epilobium hallianum C. G. Pringle 1882-9-1 Siskiyou Springs of the Sacramento Comment
  HSC92791  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1976-7-8 1336 Siskiyou N slopes of Mount Eddy 2439 Comment
  HSC61787  Epilobium luteum Ruby Van Deventer 27 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  RSA691939  Epilobium minutum Barbara Ertter 1990-7-14 9309 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows. 1677 Comment
  POM215871  Epilobium minutum Louis C. Wheeler 1935-6-9 3551 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  JEPS82422  Epilobium oreganum Gilbert Muth 1966-8-1 483 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Area 1792 Comment
  SEINET10632312  Epilobium oreganum A. Arthur Heller 1914-8-25 Heller 11712 Siskiyou Granite sand near Deetz station opposite Black Butte, wet grassy place 1140 Comment
  HSC29166  Epilobium oregonense Frederick W. Oettinger, R. F. Thorne 1969-8-6 1242 Siskiyou Marble Mtn. Wilderness Area, Pine Lake 1883 Comment
  CDA38103  Epilobium oregonense T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Mount Shasta. 0 Comment
  SEINET3149850  Epilobium paniculatum G. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  SD75842  Epilobium paniculatum var. jucundum Darley F. Howe 1969-8-31 4674 Siskiyou 7.0 miles north of Weed on road to Yreka. 1006 Comment
  POM32217  Epilobium siskiyouense E. B. Copeland 1903-9-7 3857 Siskiyou Mount Eddy Comment
  CAS-BOT-BC58009  Equisetum A. A. Heller 1920-8-11 13508 Siskiyou Metcalf's Ranch, ne. base of Mt. Eddy. 1158 Comment
  RSA120856  Equisetum laevigatum G. D. Barbe 1957-7-13 376 Siskiyou Big flat public camp, Klamath National Forest. 1524 Comment
  UCD63091  Eragrostis curvula Beecher Crampton 1969-6-19 8465 Siskiyou 3 miles south of Yreka, Interstate Hwy. 5 Southbound. Comment
  CAS-BOT-BC204624  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC204626  Eragrostis mexicana subsp. virescens R. E. Frenkel 1964-10-2 882 Siskiyou On Everitt Memorial Hwy., 1.0 mile north of McCloud River RR crossing, near Mount Shasta 1219 Comment
  UCD63886  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Siskiyou Mts. Oak Knoll Ranger Station, Klamath River. 670 Comment
  POM161564  Eragrostis pilosa Geo D. Butler 1910-8-28 1857 Siskiyou Oro Fino Comment
  CAS-BOT-BC174228  Eremogone congesta var. congesta Geo. D. Butler 1910-7-13 1772 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC174231  Eremogone congesta var. congesta M. B. Dunkle 1945-7-22 7238 Siskiyou Klamath National Forest. Big Elk Lake basin, Wooley Pocket 2072 Comment
  CAS-BOT-BC286693  Ericameria bloomeri Wm. Bridge Cooke 1938-9-17 11687 Siskiyou Mount Shasta. Horse Camp Comment
  CAS-BOT-BC286707  Ericameria bloomeri Annetta Carter 1939-8-21 1475 Siskiyou Near crest of peak above south-east end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2286 Comment
  HSC67828  Ericameria bloomeri J. O. Sawyer, J. Cole 1980-7-20 3760 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  RSA78947  Ericameria bloomeri E. K. Balls, Percy C. Everett 1952-10-12 18174 Siskiyou S boundary of Lava Beds National Monument on road to Tennant from Indian Well Ranger Station 1372 Comment
  UC216908  Ericameria bloomeri H. M. Hall 1919-10-2 Siskiyou between Weed and Sisson Comment
  SFV8418  Ericameria bloomeri J. M. Tucker 1968-9-14 4143 Siskiyou State Highway 89, 7 miles east of McCloud. Comment
  CAS-BOT-BC287487  Ericameria greenei Peter H. Raven 1956-9-4 10394 Siskiyou Pass just S of Mt Eddy 2438 Comment
  CAS-BOT-BC287491  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Miller Glade, Siskiyou Mts 1828 Comment
  POM56931  Ericameria greenei E. B. Copeland 1903-9-8 2868 Siskiyou Mt. Eddy 1768 Comment
  UC134202  Ericameria greenei Dr. E. B. Copeland 1903-9-8 3868 Siskiyou Mt. Eddy 1767 Comment
  CHSC8609  Ericameria nauseosa G. Smalley 1967-6-20 Siskiyou Collected 7 miles e of Callahan. 1066 Comment
  UCD35437  Ericameria nauseosa Beecher Crampton 1956-8-21 3842 Siskiyou Gravelly and stony bench above the Sacramento River, just below the junction of the middle with the south Fork. 1112 Comment
  CAS-BOT-BC299467  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Siskiyou Mts. 1859 Comment
  CAS-BOT-BC299470  Ericameria nauseosa var. speciosa Geo. D. Butler 1908-9-7 312 Siskiyou Near Yreka Comment
  UC598532  Ericameria nauseosa var. speciosa C. Hart Merriam 1898-8-20 183 Siskiyou Mt. Shasta Comment
  JEPS25652  Erigeron aliceae Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7294 Siskiyou above meadow at Poker Flat 1536 Comment
  HSC92416  Erigeron bloomeri var. bloomeri Jennifer Whipple 1976-7-9 1399 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  UC163866  Erigeron bloomeri var. bloomeri Geo. D. Butler 1910-5-16 1350 Siskiyou Yreka Comment
  CAS-BOT-BC294899  Erigeron cervinus K. T. Stillman 1976-7-31 354 Siskiyou Marble Mountain Wilderness Area. Ridge north of Jump off Comment
  HSC29207  Erigeron cervinus Frederick W. Oettinger 1968-9-1 645 Siskiyou Marble Mtn. Wilderness Area, SSW of Abbotts Lake 1799 Comment
  UC1475692  Erigeron cervinus Muth and Overton 1979-8-12 13654 Siskiyou close to town of Fort Jones, near Cliff Lake; Scott Bar Quadrangle 1951 Comment
  RSA59500  Erigeron chrysopsidis subsp. austiniae E. K. Balls 1950-5-17 14717 Siskiyou 1 mile N of road branching to Black Crater, Lava Beds National Monument 1402 Comment
  CAS-BOT-BC297112  Erigeron compositus Peter H. Raven 1956-9-4 10419 Siskiyou Mt. Eddy 2758 Comment
  HSC72365  Erigeron compositus J. P. Smith, Linda M. Barker, J. Cole, Jennifer Whipple 1976-7-28 8957 Siskiyou Sikiyou-Trinity county line, summit of Mt. Eddy 2752 Comment
  LA202507  Erigeron compositus Wm. Bridge Cooke; 1939-8-10 13670 Siskiyou Mount Shasta, along the W Bank of Mud Creek Canyon 2895 Comment
  UC75816  Erigeron compositus Milo S. Baker 1899-7-31 Siskiyou above Warren and Andersons Mill Ash Creek (e slope of Mt. Shasta); Mt. Shasta, Ash Creek Comment
  CAS-BOT-BC297163  Erigeron concinnus var. concinnus Elmer I. Applegate 1929-6-18 5737 Siskiyou About 5 miles north of Edgewood, Shasta Valley Comment
  CHSC71282  Erigeron elegantulus Vernon H. Oswald 1998-6-27 9239 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  CAS-BOT-BC296125  Erigeron foliosus var. confinis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch, Klamath Forest 1828 Comment
  HSC69180  Erigeron glacialis var. glacialis Maralyn A. Renner 1980-8-6 2339 Siskiyou Cracker Meadow 1555 Comment
  HSC69334  Erigeron glacialis var. glacialis John Palmer 1980-8-13 770 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  CAS-BOT-BC300861  Erigeron glacialis var. glacialis Lillian Mott 1976-7-18 58 LM76 Siskiyou North of Lily Pad Lake west of Cook and Green Pass 1828 Comment
  PASA1715  Erigeron inornatus Frank W. Peirson 1923-7-20 Siskiyou 2 miles below Whitney Creek on the road to Weed Comment
  UC163922  Erigeron inornatus var. inornatus Geo. D. Butler 1908-7-20 327 Siskiyou near Yreka (head of Long Gulch); Long Gulch Comment
  HSC29220  Erigeron inornatus var. inornatus Frederick W. Oettinger, R. F. Thorne 1969-8-5 1197 Siskiyou Along the trail above 'Willow Springs' between Abbott's Upper Cabin and English Lake 1677 Comment
  UC1539990  Erigeron linearis Roseberry 1936-5-21 42 Siskiyou 1 mi ne Whitney Butte; Lava Beds National Monument Comment
  POM357413  Erigeron petrophilus var. viscidulus M. B. Dunkle 1945-1 9309 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC300097  Erigeron philadelphicus L. E. Smith 1913-5-27 294 Siskiyou Weed Comment
  SEINET5495491  Eriodictyon californicum G. Butler 1910-5-25 1405 Siskiyou Near Yreka Comment
  CAS-BOT-BC255434  Eriogonum alpinum Peter H. Raven 1956-9-4 10405 Siskiyou South side of Mt. Eddy 2682 Comment
  POM165278  Eriogonum alpinum Edward L. Greene 1903-8-18 3813 Siskiyou Mt. Eddy. 2652 Comment
  UC637153  Eriogonum compositum var. compositum Edward Lee 1934-8-15 1134 Siskiyou summit of road from Happy Camp to Waldo (Oregon); Klamath National Forest, Indian Creek watershed 1615 Comment
  CAS-BOT-BC242533  Eriogonum congdonii Dorothy Parker 1948-8-19 222 Siskiyou Near Chinquapin, on Scott Mountain 1524 Comment
  UC164079  Eriogonum elatum var. villosum Geo. D. Butler 1910-6-26 1606 Siskiyou near Yreka; ; near Yreka, Siskiyou Co. Comment
  HSC58960  Eriogonum lobbii Gilbert Muth 1975-7-31 4439 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1920 Comment
  POM208193  Eriogonum luteolum Louis C. Wheeler 1934-6-28 2811 Siskiyou Siskiyou Mountains: Beaver Creek at West Fork. 701 Comment
  HSC26560  Eriogonum marifolium J. P. Smith, J. O. Sawyer 1972-8-20 5752 Siskiyou Slope of Mt. Hoffman 2134 Comment
  UC725518  Eriogonum marifolium A. A. Heller 1920-8-12 13522 Siskiyou spring above Horse Camp Comment
  UC849523  Eriogonum marifolium Alice Eastwood 1912-9-1 2072 Siskiyou Mount Shasta Comment
  CHSC9496  Eriogonum marifolium var. marifolium J. F. Goodwin 1971-7-3 127 Siskiyou West side of road, in open area, 0.3 mi south of Mt. Shasta Ski Bowl area. 2438 Comment
  CDA22622  Eriogonum microthecum F. D. Horn 1977-10-5 Siskiyou Shasta Vista Estates, Grenada. 0 Comment
  CAS-BOT-BC261618  Eriogonum nudum var. nudum H. A. Thomas; J. H. Thomas 1954-7-22 4447 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  UC1043396  Eriogonum nudum var. nudum P. C. Everett and E. K. Balls 1954-10-13 20279 Siskiyou 6.7 mi ne, road to Kangaroo Mt. Hwy. 96; Seiad Creek 701 Comment
  UCR37584  Eriogonum nudum var. nudum L. P. Janeway 1983-8-7 516 Siskiyou Peak '5148' East of Preston Peak 1555 Comment
  HSC19504  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-3 1056 Siskiyou SE facing slope above Horse Range Creek 1616 Comment
  HSC78317  Eriogonum nudum var. nudum L. P. Janeway 1983-8-28 643 Siskiyou Poker Flat, dry NE edge of lower portion of meadow 1524 Comment
  CAS-BOT-BC272463  Eriogonum nudum var. pubiflorum Alice Eastwood 1921-7-25 10819 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC272493  Eriogonum nudum var. pubiflorum Lewis S. Rose 1945-6-19 45147 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC67753  Eriogonum nudum var. pubiflorum J. O. Sawyer, J. Cole 1980-7-21 3827 Siskiyou N of F.S. Road 44N01 near intersection with road to Lava Camp 1677 Comment
  SEINET3160017  Eriogonum nudum var. pubiflorum G. D. Butler 1910-6-26 1605 Siskiyou near Yreka Comment
  UC398665  Eriogonum nudum var. pubiflorum A. A. Heller 1927-8-2 14443 Siskiyou 3 mi s Yreka Comment
  HSC17329  Eriogonum nudum var. pubiflorum D. M. Thomson 1965-6-26 118 Siskiyou Lava Beds N.M., 1.5 mi. from campground, Indian Well fire rd. Comment
  POM165290  Eriogonum ovalifolium var. ovalifolium Copeland 1903-9-7 3873 Siskiyou Mt. Eddy [which is on Siskiyou-Trinity county line.] Comment
  CHSC102612  Eriogonum pyrolifolium L. P. Janeway 2009-8-3 9882 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  CAS-BOT-BC252959  Eriogonum pyrolifolium var. pyrolifolium C. G. Pringle 1882-8-30 s.n. Siskiyou Mount Shasta 2743 Comment
  CAS-BOT-BC268575  Eriogonum siskiyouense Peter H. Raven 1956-9-4 10389 Siskiyou Pass just south of Mt. Eddy 2438 Comment
  UC164306  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-20 1371 Siskiyou Yreka Yreka Comment
  UC1735886  Eriogonum strictum var. anserinum Dean W. Taylor 1987-8-7 9255 Siskiyou Caldwell Butte, Lava Beds National Monument 1499 Comment
  HSC43452  Eriogonum strictum var. proliferum Jennifer Whipple 1977-8-4 2151 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  HSC43454  Eriogonum strictum var. proliferum Jennifer Whipple 1976-8-20 1708 Siskiyou Summit region of Mt. Eddy 2591 Comment
  JEPS56462  Eriogonum strictum var. proliferum Geo. D. Butler 1908-8-6 211 Siskiyou trail beyond Whiskey Camp; Independence Creek, Whiskey Camp 1676 Comment
  CAS-BOT-BC263381  Eriogonum strictum var. proliferum Lester Rowntree 1937-8-5 s.n. Siskiyou Between Etna and Ft. Jones Comment
  HSC61799  Eriogonum ternatum Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC267944  Eriogonum umbellatum W. R. Dudley 1899-8-24 s.n. Siskiyou Top of Craggy Peak Comment
  CAS-BOT-BC267946  Eriogonum umbellatum L. P. Janeway 1984-6-22 878 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08 1645 Comment
  CAS-BOT-BC267985  Eriogonum umbellatum var. argus Copeland 1903-9-7 3876 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC267993  Eriogonum umbellatum var. argus John Thomas Howell 1937-7-21 13169 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC2394  Eriogonum umbellatum var. argus William J. Ferlatte 1966-8-18 424 Siskiyou Willow Creek Trail. 1707 Comment
  HSC289  Eriogonum umbellatum var. argus William J. Ferlatte 1967-8-23 1083 Siskiyou Head of Kidd Creek, E side of Black Mtn. 2439 Comment
  JEPS108714  Eriogonum umbellatum var. argus Thomas W. Nelson and Jane P. Nelson 2006-8-4 9472 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
  JEPS93921  Eriogonum umbellatum var. argus Vernon H. Oswald and Lowell Ahart 1998-8-3 9406 Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 0.2 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  UC1409204  Eriogonum umbellatum var. argus Frederick W. Oettinger 1968-8-4 398 Siskiyou ridge s English Peak Lookout; Salmon Mountains, Marble Mountain Wilderness 2225 Comment
  RSA183428  Eriogonum umbellatum var. nevadense J. M. Tucker, L. K. Mann 1963-8-18 3761 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  SJSU6269  Eriogonum umbellatum var. nevadense R. W. Trivelpiece 1971-8-18 70 Siskiyou by Fourth of July Gulch, 2.5 mi N of Cecilville on S Fork Salmon R, Salmon River Mts 1371 Comment
  CAS-BOT-BC262384  Eriogonum vimineum Louis C. Wheeler 1934-6-28 2811 Siskiyou Klamath National Forest. Beaver Creek 701 Comment
  JEPS83994  Eriophorum crinigerum L. R. Heckard with J. Hickman et al. 1986-7-17 6467 Siskiyou s Lily Pad Lake (trail up peak, ca 5 mi n of town of Seiad Valley); Kangaroo Peak 2011 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
  UC184614  Eriophorum crinigerum Geo. D. Butler 1910-7-9 1703 Siskiyou Shackleford Creek, Log Lake 1219 Comment
  CHSC4723  Eriophyllum lanatum R. Carter 1966-5-15 403 Siskiyou One mile E of Calahan on N side of Callahan-Gazelle Rd., opposite a small meadow. 914 Comment
  CAS-BOT-BC301104  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-4 1279 Siskiyou Near Yreka Comment
  CAS-BOT-BC301127  Eriophyllum lanatum var. achilleoides Alice Eastwood; John Thomas Howell 1934-4-20 1763 Siskiyou Near Yreka along Shasta River Comment
  CAS-BOT-BC301106  Eriophyllum lanatum var. achilleoides Doris K. Kildale; J. W. Gillespie 1929-6-22 8031 Siskiyou W. base of Black Butte, Mt. Shasta Comment
  POM203469  Eriophyllum lanatum var. achilleoides L. S. Rose 1934-4-20 34229 Siskiyou Shasta River. NE of Yreka. Comment
  RSA48585  Eriophyllum lanatum var. achilleoides P. A. Munz 1949-5-18 13309 Siskiyou 2 miles southwest of Gazelle. Comment
  RSA92292  Eriophyllum lanatum var. achilleoides F. W. Peirson 1923-7-19 3915 Siskiyou Open Tableland 17 miles north of Bray Comment
  JEPS34486  Eriophyllum lanatum var. grandiflorum W. L. Jepson Jul 24 1894-Aug 10 1894 14572 Siskiyou plateau at Upton; upper Sacramento Comment
  RSA256612  Eriophyllum lanatum var. grandiflorum J. P. Smith 1974-5-25 7516 Siskiyou Along road 8, 2.4 miles west of its junction with State Route 3. 976 Comment
  UC163899  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-23 1394 Siskiyou Humbug Mountain Comment
  CHSC86455  Erodium cicutarium Jenny Marr 1993-7-1 72 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  RSA238400  Erysimum capitatum var. perenne Frederick W. Oettinger 1967-8-12 250 Siskiyou Near Tom Taylor Cabin. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UC618765  Erysimum perenne W. Bridge Cooke 1938-6-24 11073 Siskiyou in openings along spring creek and in the meadow Mount Shasta, MacBride Spring Comment
  CAS-BOT-BC133273  Erythronium citrinum Elmer I. Applegate 1932-4-16 7062 Siskiyou 6 miles down the Klamath River from the mouth of Doggett Creek, just above Hamburg Comment
  JEPS29123  Erythronium grandiflorum Lauramay T. Dempster 1961-7-1 1843 Siskiyou along ridge from Condry Peak to White Mountain (at head of Horse Creek drainage basin); Siskiyou Mts., Horse Creek 1859 Comment
  CHSC2261  Erythronium grandiflorum var. pallidum V. Holt 1943-8-7 Siskiyou Marble mountains. 1828 Comment
  SD112373  Eucephalus breweri Darley F. Howe 1969-9-12 4678 Siskiyou Near north entrance to Klamath National Forest, about 10 miles east of O'Brien, Oregon 1525 Comment
  JEPS81781  Eucephalus glabratus Rimo Bacigalupi with Reino and Aloha Alava 1958-9-3 6892 Siskiyou upper edges Poker Flat (very close to the ne portion of Del Norte Co.); Siskiyou Mountains, upper edges of Poker Flat 1536 Comment
  JEPS100733  Eucephalus tomentellus Dean Wm. Taylor with Glenn L. Clifton 1987-8-5 9224 Siskiyou Tate Creek, at crossing of Forest Road 36N06, headwaters McCloud River drainage 1484 Comment
  JEPS109885  Eucephalus tomentellus Dean W. Taylor 2005-8-18 19474 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek 1950 Comment
  CAS-BOT-BC202765  Euonymus occidentalis Dorothy Parker 1951-7-15 s.n. Siskiyou Along banks of Etna Creek 883 Comment
  UC17633  Euphorbia crenulata T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  RSA436010  Euphorbia crenulata W. Bridge Cooke 1940-6-28 15192 Siskiyou Along the Memorial Highway. Comment
  CDA36154  Euphorbia virgata C. Pirosko Jul 2003 s.n. Siskiyou 0 Comment
  CAS-BOT-BC310637  Eurybia radulina A. A. Heller 1915-8-24 12206 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC163873  Euthamia occidentalis Geo. D. Butler 1908-9-25 500 Siskiyou near Montague; Shasta River Comment
  SEINET957942  Fabaceae G. D. Butler 1910-1 1441 Siskiyou Dry banks near Guka. Comment
  HSC67573  Fallopia convolvulus J. P. Smith, Steve Selva 1970-7-17 4442 Siskiyou 915 Comment
  CAS-BOT-BC278205  Festuca altaica William Adams Dayton 1913-6-14 235 Siskiyou Shasta National Forest. E. Fk. of Scott River range 1706 Comment
  CAS-BOT-BC278739  Festuca idahoensis Gilbert Muth 1966-7-25 448 Siskiyou Marble Mountain Lookout, Marble Mts. 2097 Comment
  HSC25410  Festuca idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5660 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC25461  Festuca idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5657 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  UC70746  Festuca pratensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  JEPS25599  Festuca roemeri Rimo Bacigalupi 1959-7-2 7232 Siskiyou near n base Caribou Mtn. (Big Flat Campground, headwaters of So. Fk. Salmon River, just s of low divide (Trinity Co boundary), separating Coffee Ck drainage from Salmon Riv.); South Fork of Salmon River 1508 Comment
  UCD66265  Festuca roemeri R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  HSC26128  Festuca subuliflora J. P. Smith, Steve Selva 1970-6-14 3878 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  CAS-BOT-BC453509  Fragaria Elmer I. Applegate 1923-8-20 3911 Siskiyou Medicine Lake Comment
  UC54341  Fragaria virginiana subsp. platypetala H. M. Hall and E. B. Babcock 1903-6-18 4135 Siskiyou Pole Canyon Sierra Nevada Mountains (ne Shasta County) 1463 Comment
  CAS-BOT-BC53420  Frangula californica subsp. occidentalis A. A. Heller 1915-8-26 12245 Siskiyou Wagon creek at the foot of Mt. Eddy 1127 Comment
  CAS-BOT-BC59979  Frangula purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Cottonwood Creek. Siskiyou Mts. 944 Comment
  CAS-BOT-BC60020  Frangula purshiana Carl B. Wolf 1927-8-27 1116 Siskiyou On the Klamath River, Happy Camp. Comment
  HSC100302  Frangula rubra J. P. Smith, & J. O. Sawyer 2011-6-25 13270 Siskiyou Along Sugar Creek Rd., E of its intersection with Hwy. 3. 912 Comment
  UCD113133  Frangula rubra Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1716 Comment
  RSA215599  Frasera speciosa Gilbert Muth 1969-8-7 1232 Siskiyou East side of Boulder Peak Ridge. 2500 Comment
  RSA134944  Fraxinus latifolia Percy C. Everett, E. K. Balls 1959-10-24 23948 Siskiyou 3.3 miles from Forks along Salmon River, Sawyers Bar to Somes Bar 366 Comment
  CAS-BOT-BC502838  Fritillaria atropurpurea Wm. F. Herrin 1922-5-1 s.n. Siskiyou Shasta Springs Comment
  UC705736  Fritillaria atropurpurea Marion Ownbey, D. H. Brown 1941-6-25 2433 Siskiyou near Donomore Meadow (e end of Siskiyou Mountains, near the Oregon Line); Siskiyou Mountains Comment
  CAS-BOT-BC506156  Fritillaria micrantha D. E. Breedlove 1962-6-11 3366 -A Siskiyou Along State Highway 89, 8.0 miles east of McCloud, Cascade Mountains 1127 Comment
  UC164478  Fritillaria pudica Geo. D. Butler 1909-5-3 1089 Siskiyou near Yreka Comment
  CAS-BOT-BC506210  Fritillaria pudica Louis C. Wheeler 1935-3-18 3379 Siskiyou Cottonwood Creek; Mt. Diablo Mer.; Siskiyou Mts. 944 Comment
  UC1005601  Fritillaria pudica Frank W. Gould 1940-5-14 1244 Siskiyou Goosenest Mountain, Bull Meadow Bull Meadow; Goosenest Mountain, Bull Meadow 1524 Comment
  UC375206  Fritillaria recurva Geo. D. Butler 1909-4-14 596 Siskiyou Humbug Road Comment
  JEPS25629  Galium bifolium Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7267 Siskiyou Poker Flat 1536 Comment
  UC888782  Galium bolanderi Lewis S. Rose 1937-7-26 37602 Siskiyou 3 mi e Mt. Shasta City 1371 Comment
  JEPS124617 Image available Galium boreale Laurel Loeblich 1964-7-1 76 Siskiyou West of highway 89 on other side of fence; 6 miles northwest of Dead Horse Summit. Comment
  JEPS33853  Galium grayanum Gilbert Muth 1966-7-22 437 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  HSC75344  Galium grayanum var. grayanum J. O. Sawyer, M. Mesler 1980-8-11 4040 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  JEPS21478  Galium mexicanum var. asperulum Stanton A. Cook 1958-8-17 842 Siskiyou river about three mi above confluence of Mud Creek (beside spring); McCloud River Comment
  POM367847  Galium multiflorum Louis C. Wheeler 1934-8-14 3141 Siskiyou White Mtn. Siskiyou Mtns. 1951 Comment
  HSC81550  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1980-7-21 6158 Siskiyou Along FS Rd. 40N08, 0.6 mi. from junction with Hwy. 3 1646 Comment
  JEPS25770  Galium triflorum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7455 Siskiyou about 13 air mi n Happy Camp (on jeep-road along Del Norte-Siskiyou Co. boundary (ridge top) dividing Indian Crk drainage from that of Illinois R., leading to Twin Valley) 1584 Comment
  UC642561  Galium triflorum W. Bridge Cooke 1939-6-30 13567 Siskiyou along a spring creek Mt. Shasta, MacBride Springs Comment
  HSC29316  Galium triflorum Frederick W. Oettinger 1968-8-7 436 Siskiyou Marble Mtn. Wilderness Area, along trail on E side of Hancock Lake 1936 Comment
  HSC393  Galium triflorum William J. Ferlatte 1966-8-18 406 Siskiyou 3 mi. S of Big Flat, along Willow Creek Trail 1585 Comment
  CAS-BOT-BC58940  Gaultheria shallon Elmer I. Applegate 1930-8-11 6601 Siskiyou No-see-'em Camp, Cook and Greene Trail, siskiyou Mountains, Applegate River watershed. Comment
  HSC69422  Gayophytum diffusum subsp. parviflorum John S. Palmer 1980-8-12 748 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC873670  Gayophytum heterozygum Lewis S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 914 Comment
  POM258616  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15343 Siskiyou Mount Shasta: Along the Sisson Southern Trail near MacBride Springs. 1524 Comment
  POM261178  Gayophytum heterozygum W. Bridge Cooke 1941-9-5 16273 Siskiyou Vicinity of Bear Springs, Mt. Shasta 1524 Comment
  HSC19496  Gayophytum humile J. O. Sawyer 1969-8-1 1648 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA237873  Gayophytum humile Frederick W. Oettinger 1969-7-10 950 Siskiyou Northwest of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1738 Comment
  UCD18944  Gayophytum ramosissimum A. H. Murphy 1956-8-14 56 E Siskiyou Klamath National Forest, Little Mill Creek Meadows. 2011 Comment
  SD76147  Gentiana calycosa Helen Witham 1969-10-4 546 Siskiyou Kangaroo Lake, Granite Cliffs, west face Comment
  HSC96313  Gentiana newberryi var. newberryi Gordon Leppig 1998-8-14 1020 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  POM254105  Gentiana plurisetosa Harris 1939-8-29 s.n. Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  SEINET6744749 Image available Gentiana setigera C. C. Harris, S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountian Primitive Area, Calfornia Comment
  UC35204  Geranium carolinianum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC165386  Geum macrophyllum Geo. D. Butler 1908-8-11 1592 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC459624  Geum macrophyllum H. A. Thomas; J. H. Thomas 1954-7-21 4436 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1219 Comment
  UC52440  Gilia capitata subsp. capitata W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Comment
  UC52694  Gilia clivorum F. W. Hooper Siskiyou Little Shasta Comment
  UC643267  Gilia sinuata W. Bridge Cooke 1940-6-4 15008 Siskiyou along Bolam Road (on the n side of the mountain); Mount Shasta, n side of the mountain Comment
  CAS-BOT-BC282718  Glyceria elata Wm. Bridge Cooke 1938-6-24 11083 Siskiyou MacBride Spring, Mount Shasta 1524 Comment
  HSC22139  Glyceria elata J. O. Sawyer 1968-7-10 494 Siskiyou 1768 Comment
  JEPS84094  Glyceria elata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6378 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  HSC26904  Glyceria striata J. P. Smith, J. O. Sawyer 1971-9-17 4784 Siskiyou On trail up to Little Duck lake 1829 Comment
  CAS-BOT-BC302668  Gnaphalium palustre Alice Eastwood 1921-7-25 10813 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC302677  Gnaphalium palustre A. A. Heller 1915-8-24 12211 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS33998  Gnaphalium palustre Geo. D. Butler 1909-6-5 795 Siskiyou along creek near Yreka Comment
  HSC30496  Gnaphalium palustre Frederick W. Oettinger 1969-8-21 1479 Siskiyou Near Ethel Lake; Salmon Mtns. Comment
  UC13544  Goodyera oblongifolia W. C. Blasdale 1894-8-8 Siskiyou Shasta Springs Comment
  POM168319  Goodyera oblongifolia E. B. Copeland 1903-8-19 3929 Siskiyou Mt. Eddy 1372 Comment
  RSA381795  Goodyera oblongifolia Louis C. Wheeler 1934-8-14 3118 Siskiyou Johnson Dairy; Siskiyou Mountains. Mt. Diablo Mer. 1829 Comment
  JEPS77492  Gratiola ebracteata Susan Horner 1978-6-30 401 Siskiyou road between 40N05 and Sand Flat Well about 4 mi sse Hambone Comment
  SEINET10969142  Hackelia bella Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6984 Siskiyou Yellow pine, libocedrus, douglas fir, western hemlock forest, 17.4 mi ne of Cecilville store, on road to callahan. 2073 Comment
  JEPS84099  Hackelia californica L. R. Heckard with J. Hickman et al. 1986-7-17 6528 Siskiyou above and s of Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  UCD77748  Hackelia micrantha Robert E. Preston 2001-6-23 1600 b Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  RSA184764  Hackelia micrantha Gilbert Muth 1966-7-8 362 Siskiyou Marble Valley Meadow. Marble Mtns. 1793 Comment
  RSA77831  Hackelia micrantha E. E. Stanford 1930-8-14 2086 Siskiyou Below summit of Sonora Pass, in open ground in loose soil 2896 Comment
  UC1190143  Hastingsia alba Ira L. Wiggins 1955-7-27 13532 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  JEPS80489  Hastingsia alba Gilbert Muth 1966-7-17 387 Siskiyou ridge near Lookout (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 2042 Comment
  HSC24701  Hastingsia serpentinicola J. O. Sawyer 1969-8-2 1699 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC61973  Hazardia whitneyi var. discoidea Al Hobart 13 Aug [year missing] Siskiyou Preston Peak 1982 Comment
  UCD132684  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou around 1 mile southeast of Greenview, Scott Valley. Comment
  HSC76945  Helenium bigelovii K. T. Stillman 1976-9-9 479 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  JEPS74421  Helenium bigelovii W. J. Ferlatte 1966-8-2 231 Siskiyou between campground and S. Fork of the Salmon River; Trinity Alps, Big Flat 1524 Comment
  UCD132695  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou in vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1493 Comment
  RSA696014  Helenium bigelovii Barbara Ertter, Julie Kierstead, James Nelson 1990-7-15 9353 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  SEINET11196740 Image available Helenium bigelovii G. D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek 1219 Comment
  UC336924  Helenium puberulum unknown 1878-7-1 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC314838  Helianthella californica var. shastensis A. A. Heller 1916-7-22 12489 Siskiyou East side of Mt. Eddy Comment
  UC61689  Helianthus bolanderi Geo. B. Grant 1902-9-1 5207 Siskiyou Dunsmuir Mount Shasta, Dunsmuir 609 Comment
  UC722218  Hemizonella minima C. L. Hitchcock and J. S. Martin 1939-7-9 5325 Siskiyou 1/2 mi se King's Castle; Marble Mts. 1828 Comment
  CAS-BOT-BC313449  Hemizonella minima Wm. Bridge Cooke 1940-6-4 15006 Siskiyou Old Bolam Road, Mount Shasta 1219 Comment
  POM360344  Hemizonia fasciculata Cora Mae Life 1923-08 14394 Siskiyou Near Horse Camp, Mt. Shasta. Comment
  RSA612323  Herniaria hirsuta subsp. cinerea L. C. Wheeler 1935-5-1 3449 Siskiyou Yreka Creek. Siskiyou Mountains. (Mt. Diablo Mer.) 854 Comment
  JEPS19801  Hesperolinon micranthum Rimo Bacigalupi with S. Galen Smith 1957-6-27 6024 Siskiyou hill just w <town unspecified> town limits 1036 Comment
  POM8868  Hesperolinon micranthum E. B. Copeland 1903-7-3 3561 Siskiyou Klamathon. Comment
  UC894671  Heterotheca oregona var. oregona A. A. Heller 1917-9-7 12976 Siskiyou Comment
  CAS-BOT-BC311090  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou Near Yreka Comment
  UC1557834  Heterotheca oregona var. rudis J. Semple and S. Heard 1986-8-16 8496 Siskiyou 9.8 km s of road to Kanagaroo Lake (just ne of CA-3, se of Etna, on road to Gazelle) Comment
  CAS-BOT-BC312302  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Ridge near Marble Mt. Lookout Comment
  HSC34313  Heuchera merriamii J. P. Smith, J. O. Sawyer 1973-8-15 7328 Siskiyou N of Angel Lake 2012 Comment
  UC530057  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou head of Jaynes Canyon; Siskiyou Mts 2042 Comment
  CAS-BOT-BC420734  Heuchera merriamii G. Muth 1965-8-11 s.n. Siskiyou In upper meadows, Marble Valley Comment
  HSC68539  Heuchera micrantha Maralyn A. Renner 1980-6-25 1108 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  UC1190256  Hieracium albiflorum Ira L. Wiggins 1955-7-21 13435 Siskiyou 2 mi above Mt. View Ranch (Rush Creek Trail); Rush Creek Trail 1097 Comment
  CAS-BOT-BC319692  Hieracium albiflorum P. A. Munz 1965-8-11 s.n. Siskiyou Upper meadows, Marble Valley Comment
  CAS-BOT-BC318539  Hieracium greenei Wm. Bridge Cooke 1939-8-25 13919 Siskiyou Above MacBride Springs 1676 Comment
  UC1299259  Hieracium greenei Freed W. Hoffman 1948-7-12 2492 Siskiyou between Cinnabar Springs and Bear Creek; Beaver Creek 914 Comment
  UC598534  Hieracium horridum C. Hart Merriam 1898-9-23 91 Siskiyou Head of Squaw Creek Mt. Shasta, Head of Squaw Creek 2804 Comment
  HSC22200  Hieracium nudicaule J. O. Sawyer 1968-7-9 416 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  CAS-BOT-BC312950  Hieracium triste Wm. Bridge Cooke 1938-8-18 11500 Siskiyou Mount Shasta. Horse Camp Slopes Comment
  CAS-BOT-BC320107  Hieracium triste Annie M. Alexander; Louise Kellogg 1949-7-22 5837 Siskiyou Trail to Kings Castle, Paradise Lake, Marble Mountains 1996 Comment
  HSC22178  Hieracium triste J. O. Sawyer 1969-8-3 1726 Siskiyou W of Little Duck Lake 2195 Comment
  HSC31488  Holodiscus discolor Steve Selva, Roger Jensen 1974-8-23 42 Siskiyou 1 mi. W of Doe Flat campground Comment
  HSC44722  Holodiscus discolor J. O. Sawyer, E. Cope 1977-6-18 2907 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC65417  Holodiscus discolor Rich White 1978-7-20 261 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  HSC69424  Holodiscus discolor John Palmer 1980-7-23 560 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  CAS-BOT-BC150134  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1923-8-18 3852 Siskiyou West base of Hoffman Mountain, Medicine Lake Comment
  CAS-BOT-BC150136  Holodiscus microphyllus var. glabrescens Geo. B. Grant 1902-9-1 583 Siskiyou Mt. Shasta Comment
  HSC90620  Holodiscus microphyllus var. glabrescens Jennifer Whipple 1977-8-5 2181 Siskiyou Wagon Creek drainage on E face of Mt. Eddy 2317 Comment
  RSA273401  Holodiscus microphyllus var. glabrescens J. P. Smith 1972-8-18 5750 Siskiyou Medicine Lake Glass Flow. 2012 Comment
  CHSC86666  Holosteum umbellatum subsp. umbellatum Jenny Marr 1993-7-1 49 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC289280  Hordeum brachyantherum subsp. brachyantherum L. P. Janeway 1983-8-26 590 Siskiyou At Poker Flat, Siskiyou Mountains 1524 Comment
  UC1132115  Hordeum brachyantherum subsp. californicum H. S. Yates 1936-6-21 5820 Siskiyou 1 mi se Gazelle; Etna Quad. Comment
  CAS-BOT-BC284741  Hordeum jubatum Verne Grant; Irving Schneider 1947-8-26 8302 Siskiyou By Interstate Highway, Lower Klamath Lake Comment
  UC726315  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Shasta Valley Comment
  RSA166765  Horkelia daucifolia H. Dearing, M. Dearing 1939-6-3 s.n. Siskiyou Near Scotts Bar Comment
  UCSB12103  Horkelia daucifolia Breedlove, Dennis 1962-6-11 Siskiyou Along Scott River, 0.5 mile south of Scott Bar 548 Comment
  SBBG15762  Horkelia fusca var. parviflora D. Myrick 1961-6-20 286 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  CAS-BOT-BC514283  Horkelia fusca var. pseudocapitata A. A. Heller 1905-6-17 8055 Siskiyou Sisson - between Sisson and Barnard station. Comment
  CAS-BOT-BC201130  Hosackia crassifolia H. A. Thomas; J. H. Thomas 1954-7-27 4553 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE 975 Comment
  UC1949031  Hosackia pinnata Barbara Ertter with Julie Kierstead and Jim Nelson 1990-4-15 9355 Siskiyou MOrgon Meadows on E side of Mt Eddy ca 5 airmiles due W of Mt Shasta City Comment
  LA203776  Hulsea nana Wm. Bridge Cooke; 1939-7-26 13769 Siskiyou Mt. Shasta, Along the Summit Trail below Lake Helen 2895 Comment
  CDA2813  Humulus lupulus T. C. Fuller 1959-10-21 3155 Siskiyou North limits of Mt. Shasta City. 0 Comment
  UC163836  Hydrophyllum fendleri var. albifrons Geo. D. Butler 1910-7-9 1720 Siskiyou Marble Mountain 1676 Comment
  HSC99203  Hydrophyllum occidentale Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UCR37834  Hydrophyllum occidentale L. P. Janeway 1983-6-27 446 Siskiyou At Poker Flat 1524 Comment
  CAS-BOT-BC312854  Hymenoxys lemmonii Geo. D. Butler 1910-7-4 1640 Siskiyou Shasta River Comment
  SBBG25919  Hypericum anagalloides D. Myrick 1966-8-11 1536 Siskiyou Adams Lake, Mountain Meadow Ranch, Big Flat, Trinity Alps 1828 Comment
  UC454936  Hypericum anagalloides I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  RSA15599  Hypericum perforatum C. B. Wolf 1927-8-27 1108 Siskiyou On the Klamath River, Happy Camp. Comment
  SD88323  Hypericum perforatum Darley F. Howe 1972-7-8 Siskiyou 7.7 miles north of Weed, on Highway 97. 1157 Comment
  HSC631  Hypericum scouleri William J. Ferlatte 1966-8-2 224 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  CAS-BOT-BC94922  Ipomopsis aggregata R. C. Wenk 2008-7-23 905 Siskiyou SW side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch 2316 Comment
  HSC76886  Ipomopsis aggregata K. T. Stillman 1976-6-27 146 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  RSA792304  Ipomopsis aggregata Rebecca Wenk 2008-7-23 905 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch. 2119 Comment
  SD76181  Ipomopsis aggregata Helen V. Witham unknown 598 Siskiyou McBride Springs Road, Mt. Shasta. 1500 Comment
  SJSU6075  Ipomopsis aggregata R. W. Trivelpiece 1971-7-27 62 Siskiyou near Eddy Gulch Lookout c. 4.5 mi S of Sawyers Bar on N Fork Salmon R, Salmon R Mts 1828 Comment
  UC106647  Ipomopsis aggregata A. Eastwood 1893-8-10 Siskiyou Mt. Shasta Comment
  SD88477  Ipomopsis aggregata Darley F. Howe 1972-7-4 Siskiyou Easterly from Del Norte-Siskiyou Co. marker on road to Youngs Valley, Sanger Peak road. 1646 Comment
  CHSC65501  Ipomopsis aggregata subsp. formosissima Maria Ulloa-Cruz 1994-8-3 68 Siskiyou Shasta-Trinity National Forests. Mount Shasta Ranger District. West arm of Panther Creek. On slope next to road. 1800 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
  POM147884  Ipomopsis aggregata subsp. formosissima J. B. Feudge 1927-7-24 1747 Siskiyou trail from Mt. Shasta City to Mt. Eddy 1677 Comment
  HSC69705  Iris tenuissima Maralyn A. Renner 1980-6-26 1261 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CDA12116  Isatis tinctoria G. F. Hrusa 1990-4-2 7841 Siskiyou Siskiyou Mountains; Old Shasta River Rd. (Hwy 263) approx. 3 m. S of intersection w/Hwy 96, and 10 miles N of Yreka. Comment
  CDA3771  Isatis tinctoria T. C. Fuller 1958-6-18 1792 Siskiyou Highway 96 above Klamath River, 6 miles west of Seiad Valley. 0 Comment
  HSC103028  Isatis tinctoria J. P. Smith 2014-6-7 13886 Siskiyou Yreka 844 Comment
  JEPS47363  Isatis tinctoria L. R. Heckard 1966-6-20 1528 Siskiyou Mount Shasta (town), near Chandon's motel Mount Shasta 1097 Comment
  CDA37899  Isatis tinctoria J. L. Johnson 1980-7-1 s.n. Siskiyou Scott Valley. 0 Comment
  HSC26229  Isatis tinctoria J. P. Smith, J. O. Sawyer 1972-5-28 5364 Siskiyou 5 mi. S of Etna on Hwy. 3 915 Comment
  RSA299460  Isatis tinctoria J. P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River. Comment
  SEINET5342457  Isatis tinctoria G. Butler 1910-6-7 1534 Siskiyou Scott Rin. Comment
  UCD115196  Isatis tinctoria Collector unknown 1950-1 s.n. Siskiyou location unknown. Comment
  CAS-BOT-BC57680  Isoetes bolanderi L. P. Janeway 1993-8-31 4574 Siskiyou Seven Lakes Basin quad, above and south of Terrace Lake; headwaters of South Fork Sacramento River 1941 Comment
  RSA237984  Isoetes occidentalis Frederick W. Oettinger 1969-8-7 1268 Siskiyou W end of English Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1753 Comment
  SEINET8198344  Isoetes occidentalis D. W. Taylor 2002-7-27 18282 Siskiyou Scott Mountains, small pond in Grouse Creek drainage, Scott River Watershed, Scott Mountains 1509 Comment
  CAS-BOT-BC324836  Iva axillaris A. A. Heller 1918-7-25 s.n. Siskiyou Shasta Valley between Gazelle and Edgewood Comment
  CDA8048  Iva axillaris T. C. Fuller 1960-7-26 4879 Siskiyou Sam s Neck, ca. 10 miles southwest of Dorris. 0 Comment
  CHSC31480  Ivesia pickeringii T. Spira 1979-8-15 446 Siskiyou 3.1 mi n of Shasta-Trinity county line off of Hwy 3 on n side of rd. Klamath NF/Callahan RD. 1219 Comment
  CHSC40156  Juncus articulatus L. P. Janeway 1983-6-25 340 Siskiyou E side of Klamath R, n side of Independence Br. Top of rock bluff overlooking the river. 289 Comment
  JEPS63826  Juncus balticus B. C. Goldsmith 1916-8-21 16 Siskiyou Gazelle Shasta Valley Comment
  UC75259  Juncus bufonius Copeland 1903-7-7 3555 Siskiyou Hornbrook Comment
  RSA577437  Juncus bufonius var. bufonius L. C. Wheeler 1935-6-27 3616 Siskiyou Greenview, Scott Valley. 884 Comment
  RSA215594  Juncus drummondii Gilbert Muth 1969-8-8 1285 Siskiyou Gap Meadow, Boulder Peak Ridge. 2287 Comment
  RSA368220  Juncus effusus subsp. pacificus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. 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
  HSC61118  Juncus ensifolius Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat Comment
  JEPS66992  Juncus ensifolius Geo. D. Butler 1910-7-15 1784 Siskiyou Oro Fino Comment
  RSA608368  Juncus ensifolius L. C. Wheeler 1934-6-26 2790 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  JEPS25661  Juncus ensifolius Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7304 Siskiyou 4 air mi nne Preston Peak (at Twin Valley, just e of Del Norte County line, watershed of Indian Creek); Siskiyou Mts., Twin Valley, Indian Creek 1219 Comment
  POM229961  Juncus ensifolius L. C. Wheeler 1935-7-26 3710 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  POM250715  Juncus ensifolius D. D. Keck 1938-8-8 4865 Siskiyou Siskiyou County at Trinity County line; Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1677 Comment
  HSC30708  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger 1969-8-15 1386 Siskiyou Marble Mtn. Wilderness Area, inlet of Upper English Lake 1768 Comment
  UC642582  Juncus howellii F. J. Hermann 1939-7-21 13711 Siskiyou Bear Springs Mount Shasta 1524 Comment
  HSC76867  Juncus mertensianus K. T. Stillman 1976-9-9 473 Siskiyou Marble Mountain Wilderness Area, N and NE side of Black Mtn. Comment
  CAS-BOT-BC127617  Juncus mertensianus W. B. Cooke 1938-8-18 11475 Siskiyou Mount Shasta. Horse Camp Springs. Around several springs above Horse Camp along the Summit Trail. 2514 Comment
  RSA577907  Juncus mertensianus L. C. Wheeler 1935-7-26 3711 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC1258472  Juncus nevadensis Maralyn A. Renner 1980-8-19 2492 Siskiyou s side Caribou lake; Klamath National Forest, Coffee Creek Quad. Comment
  POM312822  Juncus nevadensis H. L. Mason 1948-7-18 13614 Siskiyou Grass Lake Comment
  RSA238914  Juncus orthophyllus Frederick W. Oettinger 1968-9-7 760 Siskiyou On the N bank of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CHSC98758  Juncus parryi L. P. Janeway; B. Castro 2007-7-29 9144 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
  UC1265304  Juncus parryi Frederick W. Oettinger 1968-9-8 781 Siskiyou near outlet of English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  RSA697391  Juniperus communis W. Lane 1938-07 s.n. Siskiyou Siskiyou Mountains 1220 Comment
  RSA13850  Juniperus communis var. montana L. C. Wheeler 1934-8-14 3123 Siskiyou 0.5 mile west White Mountain, Siskiyou Mountains 1921 Comment
  UC618965  Juniperus communis var. saxatilis H. A. Jensen 1933-10-5 360 Siskiyou slope of Shastina Dunsmuir Quadrangle, Shastina Comment
  CAS-BOT-BC81242  Juniperus occidentalis Elmer I. Applegate 1904-6-15 3082 Siskiyou Laird, Shasta Valley Comment
  HSC1277  Juniperus occidentalis D. M. Thomson 1965-8-7 175 Siskiyou California Lava Beds National Monument; 1 mile up Cave Loop Trail. Near Catacombs Cave. Comment
  HSC37540  Juniperus occidentalis J. P. Smith 1974-5-27 7603 Siskiyou Along FS Rd. 47N03 1524 Comment
  NY19866  Juniperus occidentalis E. B. Copeland 1903-7-4 3545 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC246174  Keckiella lemmonii Alice Eastwood 1912-7-23 1348 Siskiyou Cantara Comment
  CAS-BOT-BC246176  Keckiella lemmonii A. A. Heller 1916-7-23 12493 Siskiyou Dunsmuir, along the road 640 Comment
  HSC42896  Keckiella lemmonii Ken Stillman 1976-8-15 406 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  JEPS10868  Keckiella lemmonii W. L. Jepson 1894-8-9 21423 Siskiyou Shasta Springs; Sacramento River Canyon Comment
  CHSC1617  Kelloggia galioides V. Holt 1932-7-25 Siskiyou On Mt. Shasta. 1463 Comment
  CHSC69091  Kelloggia galioides Vernon H. Oswald; Lowell Ahart 1997-7-28 8795 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  SD64363  Kochia scoparia Darley F. Howe 1966-8-27 4308 Siskiyou 3.2 miles north of Tule Lake. 1310 Comment
  UC70743  Koeleria macrantha T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC164040  Lathyrus brownii Geo. D. Butler 1910-5-15 1346 Siskiyou Greenhorn Mountain 1066 Comment
  SEINET3131407  Lathyrus californicus G. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  UC1190131  Lathyrus nevadensis var. nevadensis Ira L. Wiggins 1955-7-21 13427 Siskiyou 7 mi above Cecilville (near Mt. View Ranch); South Fork of Salmon River 975 Comment
  SD88548  Lathyrus nevadensis var. nevadensis Darley F. Howe 1972-7-5 4874 Siskiyou 0.6 miles south of Oregon state line on the road to Happy Camp 1707 Comment
  JEPS19768  Lepidium campestre Rimo Bacigalupi with S. Galen Smith 1957-6-27 5968 Siskiyou about 1.5 mi w Weed (along U.S. Hwy 99) 992 Comment
  CDA3780  Lepidium campestre J. R. Grisham 1958-5-15 412 -58 Siskiyou 0 Comment
  HSC41626  Lepidium campestre Barbara Kelly 1977-5-21 483 Siskiyou Parking lot at Callahan, next to grocery store Comment
  HSC64057  Lepidium campestre J. P. Smith, Steve Selva 1970-7-17 4427 Siskiyou Along Klamath River. Comment
  CAS-BOT-BC88927  Lepidium densiflorum var. densiflorum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1013 Comment
  HSC64815  Lepidium virginicum J. P. Smith, Steve Selva 1970-6-15 3924 Siskiyou 10 mi. NW of Forks of Salmon Comment
  SEINET5342023  Lepidium virginicum var. medium G. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  RSA164303  Leptosiphon ciliatus Clare B. Hardham 1961-6-30 8013 Siskiyou Near White Mt. 1829 Comment
  UC1034604  Leucanthemum vulgare Douglas Barbe 1955-6-29 46 Siskiyou 1.8 mi e of Callahan; Scott River 975 Comment
  SEINET7073532  Leucocrinum montanum A. G. Vestal 1963-6-1 s.n. Siskiyou Road to Dwinnell Reservoir [Lake Shastina]. UTM Zone 10, 548518mN, 4593966mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC508371  Leucocrinum montanum Elmer I. Applegate 1936-5-2 10208 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  RSA68894  Leucophysalis nana A. E. Culbertson 1943-7-1 63 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  CAS-BOT-BC58260  Leucothoe davisiae W. B. Stephens 1922-7-9 s.n. Siskiyou Salmon Lake. Comment
  CAS-BOT-BC58265  Leucothoe davisiae Walter Knight; Irja Knight 1983-9-16 4934 Siskiyou Outflow at Cliff lake, upper Sacramento River watershed. 1767 Comment
  RSA355695  Leucothoe davisiae Dave Kelly, W. Wisura, A. Kelly 1986-7-29 4132 Siskiyou S side of Hancock Lake, Marble Mtn. Wilderness. Comment
  UCD117528  Leucothoe davisiae David T. Mason 1961-8-14 s.n. Siskiyou South end of lake, Heart Lake (ca. 1 mile west of Castle Lake). 701 Comment
  CAS-BOT-BC444040  Lewisia cotyledon var. cotyledon Harley P. Chandler 1901-6-1 1594 Siskiyou North Coast Ranges. Near Marble Mountain 2286 Comment
  UC164414  Lewisia cotyledon var. heckneri Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
Read comments
Jun 6 2012
  UC454264  Lewisia leeana I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  CAS-BOT-BC444584  Lewisia triphylla Gilbert Muth 1966-7-14 388 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  HSC92935  Lewisia triphylla Jennifer Whipple 1976-7-2 1279 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  POM257761  Lewisia triphylla C. L. Hitchcock 1939-7-9 5337 Siskiyou Paradise Lake, near Kings Castle. 1768 Comment
  UC817326  Leymus cinereus L. E. Smith July 1915 Siskiyou Bray Comment
  CDA15521  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 1 of 2 Comment
  HSC67705  Ligusticum californicum John S. Palmer 1980-7-24 605 Siskiyou Elk Hole 1503 Comment
  HSC68471  Ligusticum californicum Maralyn A. Renner 1980-6-26 1139 Siskiyou Flint Valley. 1390 Comment
  RSA183707  Ligusticum californicum Gilbert Muth 1965-7-28 130 Siskiyou Marble Valley Guard Station, Marble Valley Comment
  HSC96299  Ligusticum grayi Gordon Leppig 1998-8-13 1003 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  CAS-BOT-BC130815  Lilium pardalinum W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow Comment
  CAS-BOT-BC130821  Lilium pardalinum Lillian Mott 1977-7-4 27 LM76 Siskiyou Between Seiad Valley and Cook and Green Pass, at Horse Tail Falls 1219 Comment
  SEINET8480715  Lilium pardalinum W. Roderick 1967-7-28 s.n. Siskiyou Center of town of Mt. Shasta, between the old highway and the railroad. 1067 Comment
  UCD77825  Lilium pardalinum subsp. shastense Robert E. Preston 2001-6-23 1541 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1706 Comment
  UC1334272  Lilium pardalinum subsp. shastense Albert M. Vollmer and Ira L. Wiggins 1940-7-5 7 Siskiyou ca. 10 mi. n.e. Sawyer's Bar (along banks of Cow Creek, on rd. to Etna); Cow Creek 975 Comment
  JEPS62024  Lilium rubescens H. P. Chandler 1725 Siskiyou Shackleford Canyon Comment
  CAS-BOT-BC133017  Lilium washingtonianum subsp. purpurascens Marion Ownbey; Fred G. Meyer 1940-7-6 2196 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  UC1190145  Lilium washingtonianum subsp. purpurascens Ira L. Wiggins 1955-7-24 13489 Siskiyou ridge between upper reaches of Chin Creek and Blind Horse Creek 1493 Comment
  CAS-BOT-BC133108  Lilium washingtonianum subsp. washingtonianum Wayne Roderick 1967-7-28 s.n. Siskiyou Southwest side of Mt. Shasta, type locality 1371 Comment
  CHSC109945  Limnanthes alba Peter F. Zika 2012-5-14 25854 Siskiyou Klamath Range. I-5 southbound, near exit 730 for Dunsmuir. 750 Comment
  JEPS58261  Linanthus bolanderi Geo. D. Butler 1909-4-26 617 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
  CDA6300  Linaria genistifolia subsp. dalmatica William J. Ferlatte 1971-6-28 Siskiyou Side of alley behind 22 Minnesota Street, McCloud. 0 Comment
  UC22857  Linnaea borealis var. longiflora C. B. Bradley 1879-1 Siskiyou near Mt. Shasta; near Mt. Shasta Comment
  HSC61141  Linum lewisii Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC1190127  Listera convallarioides Ira L. Wiggins 1955-7-23 13470 Siskiyou China Creek 1097 Comment
  CDA30933  Lithocarpus densiflorus var. densiflorus M. Beyers, G. F. Hrusa 2010-8-18 691 Siskiyou Siskiyou Mountains, Klamath Ranges: O'Brien-Happy Camp Road; 1 mile above road to Kelly Lake, +/- 2 miles above West Branch Campground. 807 Comment
  CAS-BOT-BC36539  Lithocarpus densiflorus var. echinoides W. R. Dudley 1899-8-26 s.n. Siskiyou by trail to Eddy Mountain Comment
  CAS-BOT-BC36540  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1931-9-2 2393 Siskiyou 4 miles above junction of McCloud Road with the Pacific Highway 1188 Comment
  POM166637  Lithocarpus densiflorus var. echinoides E. B. Copeland 1903-8-13 3827 Siskiyou Sisson. 1067 Comment
  HSC22240  Lithophragma heterophyllum J. O. Sawyer 1969-7-18 1378 Siskiyou Near South Russian Creek 1890 Comment
  HSC60783  Lithophragma heterophyllum Ruby Van Deventer Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS47536  Lithophragma parviflorum Elna Long 1934-4-26 Siskiyou head of Sacramento River Shasta City (at Summer School of Chico State College); , Shasta City Comment
  POM265895  Lithospermum californicum Lincoln Constance, R. Rollins 1942-5-12 2899 Siskiyou Klamath River 12 miles S of Happy Camp. 305 Comment
  UC1239633  Lithospermum californicum Joseph P. Tracy 1939-4-29 16275 Siskiyou 3 mi n mouth of Salmon River; Klamath River 243 Comment
  UC881906  Lithospermum ruderale W. Bridge Cooke 1942-7-2 16362 Siskiyou near Widow Springs Widow Springs; Mt. Shasta Comment
  JEPS73750  Lolium multiflorum Geo. D. Butler 1908-6-25 482 Siskiyou Butler's Ranch along creek near Yreka; Butler's Ranch Comment
  UCR37582  Lomatium californicum L. P. Janeway 1983-7-17 425 Siskiyou Poker Flat 1529 Comment
  HSC76705  Lomatium dissectum var. multifidum K. T. Stillman 1976-7-14 224 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  UC726881  Lomatium macrocarpum A. A. Heller 1925-6-25 13894 Siskiyou State Hwy. 3 mi. n. Mt. Shasta Comment
  HSC63256  Lomatium macrocarpum M. A. Baker 1979-7-31 1097 Siskiyou Johnson's Hunting Ground, 0.4 k. N of trail to Independence Valley 2000 Comment
  JEPS120265  Lomatium macrocarpum Julie Kierstead Nelson with Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -055 Siskiyou South Fork WIllow Creek, foothills of N side Scott Mountain. Td. 42N19 Sec. 30.; ca. 1 mile S of Gazelle-Callahan Hwy Comment
  RSA237411  Lomatium macrocarpum Frederick W. Oettinger 1969-7-11 986 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  HSC65992  Lomatium martindalei Gail Newton 1980-6-20 493 Siskiyou Near Bald Mtn. 1097 Comment
  POM82363  Lomatium peckianum Geo. D. Butler 1910-4-9 1159 Siskiyou Dry hill near Yreka. Comment
  SEINET11121385  Lomatium peckianum L. Constance 1964-1 s.n. Siskiyou 5.2 miles S of Yreka. 792 Comment
  UC165315  Lomatium piperi Geo. D. Butler 1910-3-14 1130 Siskiyou Yreka Comment
  UC166105  Lomatium piperi Geo. D. Butler Feb 14 1909-Feb 28 1909 578 Siskiyou near Yreka Comment
  JEPS101782  Lomatium triternatum var. triternatum Dean W. Taylor 1999-6-9 17256 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  HSC42904  Lonicera ciliosa J. O. Sawyer, Ken Stillman 1976-5-28 2728 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  UC796489  Lonicera ciliosa Roxana S. Ferris and Laura Lorraine Jun 12-16 1948 11731 Siskiyou W of Callahan (French Creek Logging Road) 1066 Comment
  JEPS24026  Lonicera conjugialis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6888 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  CAS-BOT-BC240842  Lonicera interrupta L. E. Detling 1950-6-10 6618 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  CAS-BOT-BC243920  Lonicera involucrata var. involucrata M. S. Baker 1925-9-7 120 a Siskiyou Near Soda Sp. Range. Sta. Comment
  UC163684  Lotus denticulatus Geo. D. Butler 1908-6-24 389 Siskiyou near Yreka Comment
  JEPS107673  Lotus humistratus Lowell Ahart, John Dittes 2005-6-9 12014 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  RSA715778  Lotus humistratus L. Ahart, John Dittes 2005-6-10 12115 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada. 777 Comment
  JEPS100701  Lotus nevadensis var. nevadensis Dean Wm. Taylor with Glenn Clifton 1990-6-12 10874 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  UC585219  Lotus nevadensis var. nevadensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1892 Siskiyou about 2 mi s Yreka 822 Comment
  JEPS91408  Lotus oblongifolius var. oblongifolius Dean W. Taylor 1972-7-3 1582 Siskiyou Cook and Green Pass 1371 Comment
  UC1408891  Lotus pinnatus F. W. Oettinger 1969-8-12 1342 Siskiyou Abbotts Lower Cabin Salmon Mountains 1188 Comment
  RSA105529  Lotus unifoliolatus G. D. Barbe 025 Siskiyou 1.8 miles north of Callahan. 1006 Comment
  POM18964  Lotus unifoliolatus E. B. Copeland 1903-7-6 3495 Siskiyou Hornbrook. Comment
  SEINET11912604  Luetkea pectinata Unknown 1986-1 60359 Siskiyou SW of Cook and Green Pass, NE slopes of Kangaroo Mt. above Hello Cyn 1798 Comment
  UC1017669  Lupinus Marion Ownbey, Ruth P. Ownbey 1938-7-20 1763 Siskiyou near Dry Lake Lookout (summit of the Siskiyou Mountains); , near Dry Lake Lookout Comment
  RSA498181  Lupinus Chadwick, Chadwick, Glenn Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC8289  Lupinus albicaulis subsp. shastensis Amos Arthur Heller 1905-6-13 8024 Siskiyou Near Shasta Springs Comment
  JEPS94677  Lupinus albicaulis var. shastensis Vernon H. Oswald and Lowell Ahart 1998-6-11 9184 Siskiyou w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 1066 Comment
  SEINET5766877 Image available Lupinus albicaulis var. shastensis A. A. Heller 1915-1 12117 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1189 Comment
  RSA237948  Lupinus albicaulis var. shastensis Frederick W. Oettinger 1969-8-19 1462 Siskiyou Dryish area near Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  SEINET10484530  Lupinus albicaulis var. shastensis Emmel 1974-7-20 EMMEL 519 Siskiyou Slope 0.6 air miles ese of dry lake lookout, along road between dry lake Lookout and deer camp, siskiyou mountains. T47n,r9w,sec.19 se 1/4. Montane Conifer forest. In open areas of recently logged forest. Perennial. 2.5 Ft High. 2.5 Ft wide. Abundant. Plebejus icarioides ssp & lycaeides argyrognomon Ricei adults closely associated with this plant (lepidoptera; lycaenidae) 1890 Comment
  SEINET10484556  Lupinus albifrons var. flumineus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6974 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 miles sw of callahan 1524 Comment
  JEPS95135  Lupinus angustiflorus Vernon Oswald and Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake se of Medicine Lake; Bullseye Lake 2057 Comment
  RSA11947  Lupinus angustiflorus Elmer I. Applegate 1923-8-20 3907 Siskiyou South side of medicine Lake. 2134 Comment
  SEINET10903806  Lupinus arbustus subsp. silvicola David B. Dunn, Billy Joe Cox 1971-6-10 Dunn 17952 Siskiyou 5 miles n of weed, on us hwy 97; in artemisia, prushia, pinus ponderosa, in Volcanic soil Comment
  CAS-BOT-BC196353  Lupinus argenteus var. argenteus L. E. Smith 1914-5-14 695 Siskiyou Montague Comment
  JEPS91388  Lupinus argenteus var. heteranthus Dean W. Taylor 1987-6-6 9012 Siskiyou Egg Lake; Upper Modoc Plateau 1298 Comment
  CAS-BOT-BC215190  Lupinus croceus C. P. Smith 1940-6-6 15079 Siskiyou Along the Castle Lake Road 1584 Comment
  UCSB24806  Lupinus croceus Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile north of Castle Lake; 10 miles southwest of town of Mt. Shasta 1676 Comment
  CAS-BOT-BC215177  Lupinus croceus Clare B. Hardham 1961-7-3 8067 Siskiyou South of Callahan Woods, Scott Mountains Comment
  JEPS93902  Lupinus croceus var. croceus Vernon H. Oswald and Lowell Ahart 1998-8-3 9434 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  SEINET10577542 Image available Lupinus lapidicola A. Arthur Heller 1920-7-9 Heller 13422 Siskiyou High up on the bare eastern slope of Mt. Eddy in coarse gravel. Hudsonian zone, the trees of Pinus albicaulis few and scattered. Comment
  HSC63292  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-31 1089 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2000 Comment
  HSC63294  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-30 1068 Siskiyou 1900 Comment
  POM24242  Lupinus latifolius subsp. viridifolius Geo. D. Butler 1910-6-4 1489 Siskiyou Shackleford Creek. Comment
  RSA261441  Lupinus latifolius var. latifolius J. M. Tucker 1974-7-28 4325 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC8339  Lupinus lelandsmithii L. E. Smith 1913-5-4 253 Siskiyou Hornbrook Comment
  SEINET952479  Lupinus lepidus var. sellulus Mark Fishbein, Lane Hreer 2006-1 5875 Siskiyou South Base of Medicine Lake Glass Flow, just north of Medicine Lake 2050 Comment
  SEINET10491193  Lupinus leucophyllus var. leucophyllus Katherine L. Morris 1973-6-2 Morris 373 Siskiyou Collected 7 mi. S of etna along roadside of hwy 3, near a gravel quarry. Comment
  UC144497  Lupinus luteolus A. A. Heller 1905-6-8 7990 Siskiyou Yreka Comment
  SBBG45486  Lupinus obtusilobus H. and M. Dearing 1948-9-12 6728 Siskiyou Mount Shasta 2316 Comment
  CAS-BOT-BC8212  Lupinus perglaber Alice Eastwood 1921-7-24 10715 Siskiyou Castle Lake Comment
  UC146923  Lupinus polyphyllus var. polyphyllus Harley P. Chandler June, 1901 1586 Siskiyou near Marble Mountain (North Coast Ranges); , near Marble Mountain 1828 Comment
  CHSC933  Lupinus sellulus M. Yoder 1941-7-6 Siskiyou Castle Lake. 1950 Comment
  RSA238891  Luzula comosa var. laxa Frederick W. Oettinger 1969-8-16 1398 Siskiyou SW of Wiregrass Meadow below English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC4784  Luzula divaricata William J. Ferlatte 1966-8-5 328 Siskiyou N side of Caribou Mtn. 1982 Comment
  HSC30723  Luzula parviflora Frederick W. Oettinger 1968-9-9 800 Siskiyou Marble Mtn. Wilderness Area, stream running from Tom's Upper Pond to Tom's Lower Pond 2012 Comment
  CAS-BOT-BC344004  Madia elegans Geo. D. Butler 1910-5-27 1413 Siskiyou Near Yreka Comment
  CAS-BOT-BC344006  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Klamath National Forest. Beaver Cr. 914 Comment
  RSA13387  Madia elegans subsp. densifolia L. C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 549 Comment
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Feb 2 2009
  CAS-BOT-BC344541  Madia exigua Geo. D. Butler 1910-6-6 1536 Siskiyou Quartz Valley Comment
  SEINET11601396 Image available Madia glomerata L. C. Wheeler 1934-9-4 3244 Siskiyou Bear Creek, off West Fork Beaver Creek 1981 Comment
  CAS-BOT-BC343432  Madia gracilis John Thomas Howell 1937-7-22 13320 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC61072  Madia gracilis W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
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Apr 28 2007
  RSA211521  Madia gracilis subsp. gracilis William J. Ferlatte 1966-8-3 248 Siskiyou Trinity Alps: Big Flat, wooded area near public camp 1524 Comment
  SEINET10474823  Madia minima Mary Susan Taylor 1980-7-8 Taylor 3113 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  POM266582  Mahonia aquifolium Lester Rowntree 1932-8-2 s.n. Siskiyou Happy Camp Rd. Comment
  RSA605520  Mahonia aquifolium L. C. Wheeler 1959-7-19 7583 Siskiyou Salmon and Marble Mountains Region: Near White Bear Mine, Callahan Gulch off Black Bear Creek. Comment
  HSC18915  Maianthemum stellatum J. O. Sawyer 1968-6-18 239 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  CAS-BOT-BC514180  Maianthemum stellatum John Thomas Howell 1937-7-25 13463 Siskiyou Caribou Basin, Salmon-Trinity Alps Comment
  CAS-BOT-BC514188  Maianthemum stellatum Mabel E. Stonehouse 1916-6-17 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC347359  Malacothrix floccifera Roxana S. Ferris; Laura Lorraine 1948-6-12 11756 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  POM56237  Malacothrix floccifera Geo D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek. Comment
  RSA184733  Malva neglecta Gilbert Muth 1966-8-1 479 Siskiyou Marble Valley Horse Pasture, Marble Mountain, Siskiyou County 1793 Comment
  RSA434910  Malva neglecta Louis C. Wheeler 1934-9-18 3278 Siskiyou Dutch Creek off Klamath River. Siskiyou Mts., Siskiyou Co. (Mt.Diablo Mer.) 701 Comment
  CHSC88106  Matricaria discoidea Jenny Marr 1993-7-1 116 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA715930  Medicago lupulina L. Ahart, John Dittes 2005-6-10 12063 Siskiyou About 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CAS-BOT-BC269235  Melica aristata Geo. D. Butler 1909-7-15 811 Siskiyou Russian Creek Comment
  HSC31097  Melica aristata Frederick W. Oettinger 1969-9-4 1663 Siskiyou Salmon Mtns., N side of Tom Lake Basin. Comment
  UC618642  Melica aristata W. Bridge Cooke 1938-7-22 11335 Siskiyou Sisson Southern Trail Mt. Shasta (Transition) Comment
  CAS-BOT-BC271212  Melica bulbosa R. E. Frenkel 1963-7-15 244 Siskiyou West of Everitt Memorial Highway, 1.7 miles north of McCloud River RR crossing, near Mount Shasta 1290 Comment
  SEINET935329  Melica californica Lincoln Constance, R. C. Rollins 1942-1 2934 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  HSC39870  Melica stricta J. O. Sawyer 1969-7-9 1264 Siskiyou N slope of Grizzly Peak. 2378 Comment
  UCLA58369  Mentha spicata Louis C. Wheeler 1934-9-22 3301 Siskiyou Klamath River Walker (Walker); Siskiyou Mts., Klamath River 518 Comment
  UC618717  Mentzelia dispersa W. B. Cooke 1937-7-23 9127 Siskiyou Sisson Southern Trail Chaparral Mount Shasta Comment
  CDA34590  Mentzelia laevicaulis M. Beyers, G. F. Hrusa 2010-8-18 707 Siskiyou Highway 3; +/- 5 or 6 miles south of Callahan just N of where Pacific Crest Trail intersects hwy.. 1628 Comment
  CAS-BOT-BC428552  Micranthes aprica Ira L. Wiggins 1955-7-27 13516 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  JEPS93851  Microseris nutans Vernon H. Oswald and Lowell Ahart 1998-6-11 9198 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CAS-BOT-BC349373  Microseris nutans L. E. Smith 1913-5-12 203 Siskiyou Castle Creek Comment
  RSA755951  Microseris nutans R. F. Thorne 1969-8-2 63352 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC58930  Microsteris gracilis Marvin Butler 1971-8-9 82 Siskiyou Near El Capitan, close to the town of Cave Junction 1464 Comment
  JEPS25060  Mimulus alsinoides Joseph P. Tracy 1939-4-29 16272 Siskiyou Somes Bar 182 Comment
  RSA529977  Mimulus bicolor D. W. Taylor, R. E. Palmer 1988-6-23 9864 Siskiyou Ca. 4 miles N of Timbered Crater, ca. 1 mile SE of Adobe Flat. 1098 Comment
  UCD77257  Mimulus breweri Robert E. Preston 2001-7-21 1723 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  POM301676  Mimulus cardinalis Marion Ownbey, Fred G. Meyer 1940-7-6 2179 Siskiyou 3 mi. down the Klamath River from the mouth of Beaver Creek, north side of river. Comment
  JEPS10466  Mimulus guttatus Geo. D. Butler 1909-5-2 714 Siskiyou near Yreka Comment
  JEPS74557  Mimulus guttatus W. J. Ferlatte 1966-8-17 401 Siskiyou nw side Caribou Mountain; Trinity Alps 1981 Comment
  RSA293206  Mimulus guttatus J. P. Smith 1973-5-5 6421 Siskiyou Along Cook and Green Pass road. Comment
  JEPS2965  Mimulus layneae W. L. Jepson 1940-7-1 20078 Siskiyou 6 mi e McCloud; McCloud River, Fowlers Camp 975 Comment
  UC164257  Mimulus moniliformis Geo. D. Butler 1910-6-5 1511 Siskiyou Log Lake Shackleford Creek Comment
  UC196161  Mimulus moniliformis A. A. Heller 1914-8-25 11714 Siskiyou opposite Black Butte (near Deetz station) 1158 Comment
  HSC36464  Mimulus moschatus J. O. Sawyer 1969-8-4 1904 Siskiyou Above S Sugar Lake 2043 Comment
  HSC70516  Mimulus moschatus J. P. Smith, Steve Selva 1970-6-15 3921 Siskiyou 10 mi. NW of Forks of Salmon Comment
  RSA14140  Mimulus moschatus Elmer I. Applegate 1923-9-6 3976 Siskiyou Doggett Creek, Klamath River. Comment
  HSC444  Mimulus nanus var. nanus William J. Ferlatte 1966-6-23 137 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  POM252820  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou 1 mile south of Bray. 1402 Comment
  JEPS11009  Mimulus primuloides F. W. Morse July, 1886 Siskiyou near Mt. Shasta Comment
  UC445168  Mimulus primuloides Milo S. Baker Aug. 1897 142 Siskiyou Payne's Springs Comment
  UC886325  Mimulus primuloides subsp. linearifolius A. A. Heller 1915-8-26 12224 Siskiyou near head Wagon Creek Canyon; Mt. Eddy 2590 Comment
  JEPS3161  Mimulus primuloides subsp. primuloides George D. Butler 1908-8-3 52 Siskiyou near Log Lake 1371 Comment
  HSC72401  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-18 4480 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  POM43846  Mimulus primuloides var. pilosellus Geo. D. Butler 1910-7-9 1699 Siskiyou Shackleford Creek. 1220 Comment
  POM101321  Minuartia douglasii Geo. D. Butler 1909-5-2 660 Siskiyou Yreka. Comment
  CAS-BOT-BC174699  Minuartia howellii R. C. Barneby 1954-5-16 11523 Siskiyou 7 mi. n.-e. of Fort Jones 1005 Comment
  CAS-BOT-BC174737  Minuartia nuttallii Alice Eastwood 1912-8-30 2017 Siskiyou Mount Eddy Comment
  POM163895B  Minuartia nuttallii subsp. gregaria E. B. Copeland 1903-8-18 3907 Siskiyou Mt. Eddy. 2134 Comment
  UC584339  Minuartia nuttallii subsp. gregaria G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2457 Siskiyou along road from Callahan to Carrville (s side of mt., about 1 1/2 mi s of summit); Scott Mt. 1515 Comment
  CAS-BOT-BC181114  Minuartia nuttallii var. gregaria Peter H. Raven 1956-9-4 10407 Siskiyou S. side of Mt. Eddy 2682 Comment
  JEPS51331  Minuartia rubella Harley P. Chandler June, 1901 1673 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CDA23864  Mirabilis greenei G. Deal 1966-6-29 Siskiyou Tom Williams property, Montague. 0 Comment
  RSA101641  Mirabilis greenei Thomas Howell 1889-5-10 1386 Siskiyou Hornbrook. Comment
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Jul 29 2008
  RSA468283  Mitella Louis C. Wheeler 1934-6-19 2737 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  POM141790  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mtn. 1220 Comment
  RSA211102  Mitella pentandra William J. Ferlatte 1967-7-9 686 Siskiyou Kidd Creek Trail. Trinity Alps. 1677 Comment
  HSC86450  Mitella trifida D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  RSA468285  Mitella trifida M. B. Dunkle 1944-6-26 9054 Siskiyou Deer Creek. 1829 Comment
  RSA48003  Mitella trifida Roxana S. Ferris 1948-6-12 11783 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  CDA30920  Mollugo verticillata M. Beyers, G. F. Hrusa 2010-8-18 696 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  SEINET3996417 Image available Monardella odoratissima J. M. Tucker, L. K. Mann, S. L. Holloway 1963-1 3754 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2134 Comment
  UCD77872  Monardella odoratissima Robert E. Preston 2001-6-23 1567 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  RSA401675A  Monardella odoratissima M. B. Dunkle 9307 Siskiyou Klamath Nat l Forest, Marble Mountains, Sierra Nevada. Comment
  UC1540136  Monardella odoratissima subsp. glauca Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9264 Siskiyou Caldwell Butte, on crater floor at n interior Lava Beds National Monument 1499 Comment
  UC2035811  Monardella odoratissima subsp. glauca Carl B. Wolf 1934-7-4 5944 Siskiyou Klamath River, Horse Creek - Dry Lake Lookout, Siskiyou Mts., 13 1/2 mi from Horse Creek Bridge. 1524 Comment
  UC722274  Monardella odoratissima subsp. glauca C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou Takilma-Happy Camp road 1676 Comment
  HSC42229  Monardella odoratissima subsp. pallida R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 162 Siskiyou Above Kidd Creek 1951 Comment
  HSC67815  Monardella odoratissima subsp. pallida J. O. Sawyer, J. Cole 1980-7-20 3788 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  RSA12593  Monardella odoratissima subsp. pallida Carl B. Wolf 1934-7-6 5993 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  UC917237  Monardella odoratissima subsp. pallida R. Tofsrud and J. M. Tucker 1948-8-2 1757 Siskiyou Cemetery ca. 2 mi s McCloud Comment
  SEINET10582080  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 344 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  CAS-BOT-BC220265  Monardella sheltonii Carl B. Wolf 1927-8-27 1129 Siskiyou On the Klamath River, 7 mi. below Happy Camp Comment
  RSA0022799  Monardella villosa Clare B. Hardham 1965-8-17 13070 Siskiyou 4-5 miles southwest of Klamath River. Orleans - Eureka road. Comment
  CHSC88119  Montia linearis Jenny Marr 1993-7-1 129 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC29444  Montia parvifolia Frederick W. Oettinger 1968-8-5 399 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  HSC27685  Montia parvifolia Carl W. Mize 1972-6-8 44 Siskiyou Along the trail 351 Comment
  RSA238298  Montia parvifolia Frederick W. Oettinger 1969-7-13 1004 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  SEINET10596045  Muhlenbergia asperifolia George D. Butler 1910-8-21 Butler 1848 Siskiyou Damp soil, Shasta Valley. Comment
  UCD86612  Muhlenbergia filiformis A. A. Heller Date Unknown 11704 Siskiyou 6 miles north of Sisson. Near Deetz station. Comment
  UC1266286  Muhlenbergia jonesii John R. Reeder and Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 mi sse Bartle 1219 Comment
  CHSC106264  Myriophyllum sibiricum Lowell Ahart; John Dittes 2010-7-30 16941 Siskiyou About 30 yards northwest of the East Louie Road Bridge, along the west edge of the Shasta River, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  RSA74810  Nama lobbii F. W. Peirson 1923-7-19 3821 Siskiyou Whitney Creek at the foot of Mt. Shasta. Comment
  UC455933  Nama lobbii I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Castle Lake to Mt. Bradley (Castle Lake to Mt. Bradley) 1981 Comment
  RSA211312  Narthecium californicum William J. Ferlatte 1966-8-17 402 Siskiyou Northwest side of Caribou Mountain 1829 Comment
  SEINET8501736  Narthecium californicum W. Roderick 1967-7-28 s.n. Siskiyou Gumboat Lake, SW of Mt. Eddy. 1829 Comment
  RSA237995  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou NW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  JEPS101669  Navarretia heterandra Dean W. Taylor 1999-6-9 17244 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  HSC44288  Navarretia intertexta J. P. Smith, Steve Selva 1970-7-16 4379 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UCD48626  Navarretia pubescens Robert E. Preston 1995-6-18 879 Siskiyou CA: Siskiyou Co.; ca. 3 mi ese of Hornbrook, in oak woodland adjacent to Ager Rd; (Copco 15' quad). 701 Comment
  POM216191  Nemophila heterophylla Louis C. Wheeler 1935-6-1 3538 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Yreka Creek. 854 Comment
  CAS-BOT-BC219532  Nemophila parviflora J. H. Thomas 1954-5-13 4155 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek, Southwestern Siskiyou County 1127 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
  SEINET516296  Nepeta cataria Vernon H. Oswald 1998-9-16 9636 Siskiyou Vista Point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  JEPS12282  Nicotiana attenuata Geo. D. Butler 1908-6-28 17 Siskiyou Oro Fino 762 Comment
  CAS-BOT-BC60589  Noccaea fendleri subsp. glauca Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  HSC32254  Noccaea fendleri subsp. glauca J. O. Sawyer 1971-6-29 2394 Siskiyou Elk Hole 1524 Comment
  CAS-BOT-BC349923  Nothocalais troximoides E. K. Balls 1950-5-17 14715 Siskiyou 1.5 mi. NW. Schonchin Butte, (along road) Lava Beds Nat'l Monument 1402 Comment
  UC922378  Nothochelone nemorosa Annie M. Alexander and Louise Kellogg 1949-7-20 5815 Siskiyou Marble Mountains, Paradise Lake, trail to Bear Lake Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  CHSC1155  Oenothera elata subsp. hirsutissima K. Jaekel; N. Jaekel 1939-7-14 Siskiyou Near Mt. Shasta. 1097 Comment
  UC224019  Oenothera elata subsp. hirsutissima Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2520 Siskiyou Mt. Shasta and vicinity Comment
  UC61199  Oenothera elata subsp. hirsutissima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  POM259019  Oenothera elata subsp. hirsutissima W. Bridge Cooke 1940-7-12 15325 Siskiyou Along the Castle Lake Road near Mount Shasta City. 1067 Comment
  POM38542  Oenothera villosa subsp. strigosa Geo. D. Butler 1908-7-9 1024 Siskiyou Yreka Creek Comment
  CDA7552  Onopordum acanthium William J. Ferlatte, M. Miller 1971-6-19 1362 Siskiyou Seldom Seen Ranch, 0.5 mile in from Big Springs Road, about 2 miles north of entrance to Lake Shastina. 0 Comment
  RSA139036  Onopordum tauricum T. C. Fuller 1960-6-30 4648 Siskiyou F. Voelker property, Wedge Meiss Lake Basin just south Sam's Neck, ca. 15 miles southwest Dorris Comment
  JEPS107393  Opuntia fragilis Lowell Ahart, John Dittes 2005-6-10 12101 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC92965  Orthilia secunda Jennifer Whipple 1977-8-6 2228 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  CAS-BOT-BC458084  Orthilia secunda Doris K. Kildale 1928-7-2 5337 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC458086  Orthilia secunda Doris K. Kildale 1929-8-24 8831 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC266615  Orthocarpus cuspidatus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1755 Siskiyou 2.5 miles NW of Dry Lake Lookout, summit of the Siskiyou Mountains Comment
  UC1282016  Orthocarpus cuspidatus subsp. copelandii Louise Kellogg Aug 8 1953-Aug 9 1953 116 Siskiyou Scott Mountain Public Campground; Klamath National Forest, Scott Mountains 1630 Comment
  RSA407987  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1934-7-3 2851 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. 1768 Comment
  SJSU3582  Orthocarpus imbricatus M. D. Fleschner 1965-7-14 140 Siskiyou c. 3 mi SE of Bartle on State Rte 89 1219 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
  HSC22169  Osmorhiza berteroi J. O. Sawyer 1969-7-11 850 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC4882  Osmorhiza occidentalis J. O. Sawyer 1968-7-23 617 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  JEPS25819  Osmorhiza occidentalis Geo. D. Butler 1908-7-20 455 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  CAS-BOT-BC413217  Oxyria digyna Wm. Bridge Cooke 1938-9-8 11651 Siskiyou Mount Shasta. North side of Red Butte Comment
  HSC76953  Oxyria digyna K. T. Stillman 1976-7-15 256 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  JEPS50867  Oxyria digyna Al Hobart 1967-8-8 Siskiyou n side El Capitan (just s of Youngs Valley); western Siskiyou Mountains, n side El Capitan 1828 Comment
  HSC90558  Packera cana Jennifer Whipple 1976-7-25 1579 Siskiyou N face of Mt. Eddy 2500 Comment
  UC1216702  Packera cana W. B. and V. G. Cooke 1960-8-8 Siskiyou w bank Mud Creek Canyon; fell fields Mt. Shasta Comment
  HSC6106  Packera cana R. C. Wunner 1965-6-7 121 Siskiyou California Lava Beds National Monument; Mammoth Crater near rim 1615 Comment
  SD46776  Packera streptanthifolia E. K. Balls, L. W. Lenz 1956-6-18 21722 Siskiyou 5.7 miles southeast of Gazelle, US Highway 99, Yreka to Dunsmuir 885 Comment
  CAS-BOT-BC28835  Paeonia brownii George Dexter Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  POM149889  Paeonia brownii Geo. D. Butler 1910-4-23 1229 Siskiyou Quartz Valley. Comment
  POM198349  Panicum capillare Geo D. Butler 1910-8-13 1833 Siskiyou Quartz Valley Comment
  UCSC004588  Panicum capillare Randall Morgan 2004-5-31 4177 Siskiyou Castle Crags State Park, Sacramento River Comment
  SD46544  Papaver rhoeas E. K. Balls, L. W. Lenz 1956-6-18 21719 Siskiyou U. S. Highway 99, Gazelle. 822 Comment
  UC455369  Parnassia californica I. J. Condit 1909-8-25 Siskiyou Sisson, North Fork North Fork; Sisson, North Fork Comment
  CAS-BOT-BC175508  Parnassia fimbriata J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  RSA215629  Parnassia fimbriata Gilbert Muth 1969-8-11 1361 Siskiyou Ridge south of Boulder Peak. 2317 Comment
  UCD86162  Pascopyrum smithii Collector Unknown 1950-3-1 s.n. Siskiyou Tule Lake area. Comment
  JEPS16030  Pastinaca sativa W. L. Jepson July, 1894 14262 Siskiyou Sisson Comment
  UC572973  Pastinaca sativa Louis C. Wheeler 1935-7-4 3653 Siskiyou Yreka; creek bed 800 Comment
  CAS-BOT-BC202841  Paxistima myrsinites Roxana S. Ferris; Laura Lorraine 1948-6-12 11753 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC202859  Paxistima myrsinites A. A. Heller 1916-8-24 12563 Siskiyou Near Sisson 1077 Comment
  HSC43329  Paxistima myrsinites Maralyn O'Meara 1974-5-26 470 Siskiyou Chandler Glade 1768 Comment
  SBBG4075  Paxistima myrsinites H. and M. Dearing 1939-7-2 3802 Siskiyou Salmon Mtn 1828 Comment
  UC1280891  Paxistima myrsinites H. E. McMinn 1931-6-27 2514 Siskiyou Mt. Shasta City Comment
  UC1299195  Paxistima myrsinites Freed W. Hoffman 1946-7-8 2592 Siskiyou n. of West Branch Camp (Waldo-Happy Camp Rd.); North Coast Ranges Comment
  CAS-BOT-BC266638  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6573 Siskiyou Hancock Lake, on trail to Marble Mountains 2133 Comment
  UC922339  Pedicularis bracteosa var. flavida Annie M. Alexander and Louise Kellogg 1949-7-19 5810 Siskiyou Paradise Lake; Marble Mountains 1920 Comment
  RSA211121  Pedicularis contorta William J. Ferlatte 1966-8-17 397 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  UC220831  Pedicularis densiflora H. E. Brown Jun 11 1897-Jun 16 1897 356 Siskiyou northside Mount Shasta 1524 Comment
  UC1483481  Pedicularis howellii Maralyn A. Renner 1980-7-28 2183 Siskiyou e spur of Kangaroo Mountain; Klamath National Forest, Kangaroo Mountain 1889 Comment
  HSC699  Pedicularis racemosa William J. Ferlatte 1967-8-23 1101 Siskiyou Head of Kidd Creek 1982 Comment
  JEPS80571  Pedicularis racemosa Gilbert Muth 1965-8-3 159 Siskiyou Marble Valley and slopes Marble Valley; , Marble Mountain Wilderness Area 1792 Comment
  SEINET10529795  Pellaea brachyptera Mary Susan Taylor 1980-7-8 Taylor 3090 Siskiyou T40N R5W sec 35, Weed quad; Shastan Trinity Natl Forest; along Rd 40N43, at W end of Lake Siskiyou. 1372 Comment
  HSC76659  Penstemon anguineus K. T. Stillman 1976-7-22 292 Siskiyou Marble Mtn. Wilderness Area Comment
  JEPS125  Penstemon anguineus Harley P. Chandler June, 1901 1698 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1524 Comment
  JEPS84083  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6294 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line); Indian Creek Road fr Takilma to Happy Camp 1420 Comment
  JEPS84305  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6364 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); w of Cook and Green Pass, e of Red Butte summit 579 Comment
  SD62067  Penstemon anguineus Darley F. Howe 1965-8-8 4125 Siskiyou Saddle, south side of Little Gray Back, Klamath National Forest 1402 Comment
  SFV17489  Penstemon anguineus P. Wilson 1998-7-23 3547 dup. Siskiyou Marble Mountain Wilderness at Bear Lake. 1900 Comment
  UC164291  Penstemon anguineus Geo. D. Butler 1908-8-6 428 Siskiyou Independence Creek , Whiskey Camp (Whiskey Camp) Comment
  UC922585  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1948-9-8 5597 Siskiyou top of grade between Sawyers Bar and Etna; between Sawyers Bar and Etna Comment
  UC1174941  Penstemon anguineus P. C. Everett and E. K. Balls 1959-10-23 23941 Siskiyou 4.6 mi sw from Etna on rd from Callaban to Somesbar (Salmon Mts.); , sw from Etna on rd fr Callaban to Somesbar 1767 Comment
  UCD67376  Penstemon azureus Lynette Renouf 1992-5-31 25 Siskiyou Shasta Trinity National Forest, SW of Mt. Shasta, along south fork Sacramento River. Comment
  JEPS47721  Penstemon cinereus W. B. and V. G. Cooke 1966-7-16 37215 Siskiyou above Bolam Station (along old logging road); Mt. Shasta 1524 Comment
  CHSC110953  Penstemon davidsonii B. Castro; L. P. Janeway 2007-7-29 1668 Siskiyou High Cascade Range. Medicine Lake Highlands; along the bottom edge of the north side of the northwestern-most lobes of Little Glass Mountain. On N edge USFS Rd 43N48 ca 0.9 mi E of its jcn with the '15 Road'. 1950 Comment
  CAS-BOT-BC265369  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1935-6-11 9513 Siskiyou W edge of Black Lava Flow, Upper Ice Cave area, Lava Beds National Monument Comment
  NY590179  Penstemon davidsonii var. davidsonii M. S. Baker 06 1893 s.n. Siskiyou Medicine Lakes 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
  UCR37864  Penstemon deustus Mike Roantree, R. Bonning 1983-5-28 s.n. Siskiyou NW Callahan on Hwy 3, near marker 10.00 Comment
  HSC60463  Penstemon deustus Carl Wishner 1978-7-19 547 Siskiyou Sandy Ridge trail 11W21 above Meteor Lake, Marble Mtn. Wilderness 1829 Comment
  RSA516615  Penstemon deustus R. C. Bacigalupi, Lincoln Constance, M. Hiroe 1956-6-9 5695 Siskiyou Along US Highway No 99, southern limits of Shasta Valley, 1.5 mi NW of Weed. 976 Comment
  CHSC110959  Penstemon deustus var. pedicellatus B. Castro; L. P. Janeway 2007-7-28 1664 Siskiyou Modoc Plateau. Upper part of Callahan Flow, along old RR bed (USFS Road 44N53) 0.4 mi north of Cinder Butte. 1731 Comment
  UC565603  Penstemon deustus var. pedicellatus H. L. Mason 1931-5-9 5862 Siskiyou Shasta Creek Comment
  UC690305  Penstemon gracilentus Elmer I. Applegate 1923-8-17 3831 Siskiyou about 10 mi nw Medicine Lake; nw of Medicine Lake Comment
  RSA519225  Penstemon gracilentus Karl Vincent, Charlotte A. Labbe 1987-8-12 4512 Siskiyou Cascade Range, Butte Mtn. Along Butte Mtn Rd, ca 3.6 miles W of jct Meiss Lake Rd, located 7.2 mi W of jct US 97 on S side of Macdoel. 1829 Comment
  JEPS109828  Penstemon heterodoxus var. shastensis Dean W. Taylor 2005-7-14 19403 Siskiyou Wagon Camp, along Forest Road 40N25, Panther Creek Drainage, Mount Shasta 1685 Comment
  HSC61125  Penstemon laetus subsp. sagittatus Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat 1067 Comment
  CHSC93546  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
  JEPS104886  Penstemon laetus var. sagittatus Dean W. Taylor 1993-7-30 13993 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  RSA12568  Penstemon laetus var. sagittatus Carl B. Wolf 1934-7-6 6018 Siskiyou SW slope of Mt Shasta, about 2.5 mi NW of Wagon Camp. 1524 Comment
  RSA339999  Penstemon laetus var. sagittatus Noel Holmgren, Patricia K. Holmgren 1980-7-1 9448 Siskiyou US Hwy 97, 8.7 km (5.4 miles) NE of Weed. 1100 Comment
  UC887109  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou on U.S. Highway #97 near the western base Deer Mountain; near western base of Deer Mountain Comment
  HSC82260  Penstemon neotericus Thomas W. Nelson, Jane P. Nelson 1980-7-5 5977 Siskiyou Fowler's Campground 1006 Comment
  UC774517  Penstemon neotericus Carl B. Wolf 1941-7-26 11078 Siskiyou on U.S. Highway #97 at junction with rd to Montague 12 mi ne Weed; sw end Little Shasta Valley, ne of Weed 914 Comment
  RSA237367  Penstemon newberryi Frederick W. Oettinger 1967-6-24 113 Siskiyou Etna Summit, between Etna and Sawyers Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SFV10464  Penstemon newberryi var. newberryi M. L. Vincent 1967-6-29 723 Siskiyou On Mount Shasta. 2134 Comment
  HSC615  Penstemon procerus var. brachyanthus William J. Ferlatte 1966-7-7 195 Siskiyou Caribou Basin 1982 Comment
  NY638946  Penstemon procerus var. brachyanthus I. L. Wiggins 1955-7-27 13526 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 Comment
  SEINET5323604 Image available Penstemon procerus var. brachyanthus G. Butler 1910-7-10 1739 Siskiyou Shacksleford Creek, upper Campbell Lke 1372 Comment
  HSC91096  Penstemon procerus var. formosus Jennifer Whipple 1976-7-7 1329 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2378 Comment
  HSC103048  Penstemon roezlii J. P. Smith, J. O. Sawyer, R. J. Cole 2014-6-7 13906 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1701 Comment
  HSC43858  Penstemon roezlii Maralyn O'Meara 1974-5-25 368 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC474  Penstemon roezlii William J. Ferlatte 1966-8-4 299 Siskiyou Yellow Rose Mine 1982 Comment
  HSC99984  Penstemon roezlii Thomas W. Nelson, & Sydney Carothers 2005-7-17 9383 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  UCR77234  Penstemon roezlii Peter S. Lathrop 1992-7-4 58 Siskiyou Everett Memorial Highway, Mt. Shasta, Shasta National Forest 1524 Comment
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Feb 11 2016
  HSC69240  Penstemon rupicola Maralyn A. Renner 1980-9-1 2703 Siskiyou S side of Devil's Punchbowl 1829 Comment
  SEINET10898228  Penstemon rupicola Mary Susan Taylor 1980-7-8 Taylor 3094 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  NY651262  Penstemon rydbergii var. oreocharis L. S. Rose 1946-6-4 46146 Siskiyou 18 miles southwest of Macdoel 1371.6 Comment
  NY651300  Penstemon rydbergii var. oreocharis R. C. F. Bacigalupi 1957-6-27 5977 Siskiyou Alongside causeway traversing Grass Lake [U S Highway 97], on route between Weed and Klamath Lake, 20 miles northeast of Weed. 1544.7 Comment
  RSA12579  Penstemon shastensis Carl B. Wolf 1934-7-6 6007 Siskiyou 5.4 miles from Mt. Shasta City on Wagon Camp Rd, SW slope of Mt. Shasta 1220 Comment
  NY660806  Penstemon speciosus N. H. Holmgren 1966-6-9 2677 Siskiyou US 97, Shasta Valley, 4 miles north of Weed. 1158.2 Comment
  UCD77908  Penstemon speciosus Robert E. Preston 2002-7-12 1909 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1789 Comment
  SEINET9615222 Image available Perideridia leptocarpa L. Constance, T. I & Fei-Mei Chuang, M. Sousa S. 1966-1 Siskiyou Cecilville, 5 miles nw of Cecilville 762 Comment
  SEINET7929362  Perideridia oregana L. Constance, T. I. Chuang; Fei-Mei Chuang; M. Sousa S. 1966-6-15 3767 Siskiyou U.S. Highway 99W, 1.5 miles north of Edgewood turnoff.; 0 91 Comment
  RSA237500  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou Along the ridge between David Mountain and Abbotts Lake Basin and on old Tanners Peak trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  HSC17544  Persicaria amphibia C. B. Wolf 1927-8-26 1023 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC64424  Persicaria lapathifolia J. P. Smith, Steve Selva 1970-7-16 4389 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CAS-BOT-BC418940  Persicaria lapathifolia Alice Eastwood 1912-7-22 1312 Siskiyou Sisson Comment
  UC60932  Petasites frigidus var. palmatus Geo. B. Grant Sep 1902 5253 Siskiyou Shasta Springs Mount Shast 609 Comment
  HSC103911  Phacelia corymbosa Dana York, Richard Helliwell 2010-9-11 3017 Siskiyou Six Rivers National Forest, boundary of Siskiyou Wilderness, NW slope of Broken Rib Mountain 1433 Comment
  RSA145151  Phacelia dalesiana Dorothy Parker 1958-6-9 s.n. Siskiyou Summit of Scott Mountain. 1631 Comment
  RSA30618  Phacelia egena Lincoln Constance, R. C. Rollins 1942-5-13 2900 Siskiyou Klamath River near Clear Creek, eight miles south of Happy Camp. 305 Comment
  UC673183  Phacelia egena Lincoln Constance and Reed C. Rollins 1942-5-13 2900 Siskiyou 8 mi s Happy Camp (near Clear Creek); Klamath-Siskiyou Region, Klamath River 304 Comment
  RSA0106626  Phacelia greenei Christopher Davidson 1975-6-5 2693 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  UC660148  Phacelia hastata subsp. compacta Marion Ownbey and Fred G. Meyer 1940-7-4 2189 Siskiyou on ridge above head of Brewer Creek (e side of mt.); Mt. Shasta Comment
  HSC77056  Phacelia heterophylla subsp. virgata K. T. Stillman 1976-8-7 187 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  RSA30625  Phacelia heterophylla subsp. virgata Lincoln Constance, R. C. Rollins 1942-5-14 2927 Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  RSA789606  Phacelia heterophylla subsp. virgata R. W. Spjut, Paul Burchstead 2008-6-10 16337 Siskiyou Cascade Mountains. Just north of Mt. Shasta City along old highway west of I-5. 1158 Comment
  CDA40412  Phacelia heterophylla subsp. virgata Vernon H. Oswald & Lowell Ahart 1998-6-11 9181 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
  UC1069355  Phacelia linearis M. H. Mitchell 1936-5-14 19 Siskiyou Capt. Jack's Stronghold Modoc Lava Beds Natl Monument, Dorris Quadrangle 1554 Comment
  UCR93374  Phacelia linearis Kathy Harper, Dane 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
  JEPS80514  Phacelia mutabilis Gilbert Muth 1966-7-22 439 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  UC1017763  Phacelia mutabilis C. L. Hitchcock 1954-6-22 20227 Siskiyou 1 mi w Somes Bar (on road to Camp Three) Comment
  RSA68892  Phacelia mutabilis A. E. Culbertson 1943-7-10 65 Siskiyou Castle Lake, 5434 , in a north facing cirque with an abrupt 1000 backwall, 14 miles SW of Mt Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R within 10 air miles of its headwaters to the west. Comment
  UC1282009  Phacelia pringlei Louise Kellogg Aug 5 1953-Aug 7 1953 105 Siskiyou 1 mi n Cory Peak (11 mi e of Callahan on road to Gazelle, then s 5.8 mi on logging road); Scott Mountains, Klamath National Forest, Cabin Meadow 1844 Comment
  HSC24694  Phacelia procera J. O. Sawyer 1969-7-16 1136 Siskiyou SW facing upper slope SW of Waterdog Lake. 2104 Comment
  HSC69293  Phacelia procera Maralyn A. Renner 1980-7-24 2000 Siskiyou Lily Pad Lake 1768 Comment
  RSA184735  Phacelia procera Gilbert Muth 1966-8-3 496 Siskiyou Marble Valley, off trail to 4 corners, Marble Mountains. 1793 Comment
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Feb 13 2015
  HSC29263  Phacelia procera Frederick W. Oettinger 1968-8-23 613 Siskiyou Salmon Mtns., due E of Diamond Lake, 50 ft. below the lake 2058 Comment
  JEPS101552  Phacelia sericea var. ciliosa Dean W. Taylor 1996-7-26 15843 Siskiyou Scott Mountains; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest 2316 Comment
  CAS-BOT-BC77425  Philadelphus lewisii Gilbert Muth 1965-8-3 s.n. Siskiyou Down creek from Marble Valley Comment
  CAS-BOT-BC77433  Philadelphus lewisii L. B. Kildale 1929-6-25 8361 Siskiyou Klamath River, 6 miles north of Hornbrook Comment
  UCD162322  Philadelphus lewisii Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou Marble Mountains, east of Marble Mountain. 1716 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
  HSC58858  Phleum alpinum Marvin Butler 1971-7-19 284 Siskiyou Near Mary's Meadow, close to the town of Cave Junction. 1464 Comment
  UC917324  Phlox R. Tofsrud and J. M. Tucker 1948-8-2 1762 Siskiyou Panther Meadows, s slope of Mt. Shasta Mt. Shasta 2407 Comment
  UCSB14858  Phlox adsurgens Breedlove, Dennis 1961-7-2 Siskiyou 14.0 miles southeast of O'brien on road to Happy Camp; Siskiyou Mountains 1463 Comment
  HSC44975  Phlox diffusa J. O. Sawyer, E. Cope 1977-6-20 2969 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  HSC40274  Phlox diffusa J. D. Ackerman, A. M. Montalvo 1975-7-18 580 Siskiyou Gumboat Lake Comment
  UC1222726  Phlox gracilis Joseph P. Tracy 1951-6-16 19477 Siskiyou at crossing of Takilma and Happy Camp (near Oregon-California State line); Summit of the Siskiyous Comment
  CAS-BOT-BC232824  Phlox hirsuta L. E. Smith 1913-4-20 639 Siskiyou Yreka Comment
  HSC93351  Phlox hirsuta Daine Elam, Ken Fuller 1997-5-14 Siskiyou Soap Creek Ridge, upslope from Hwy. 3, SW of Yreka Comment
  CAS-BOT-BC232826  Phlox hirsuta R. C. Barneby 1954-5-16 11528 Siskiyou 6 miles SW of Yreka Comment
  UC682098  Phlox speciosa G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3267 Siskiyou 15 mi n Happy Camp (above Indian Creek) 1219 Comment
  UC585232  Phlox speciosa subsp. occidentalis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1943 Siskiyou 8 mi s Yreka 822 Comment
  CHSC75765  Phoradendron densum Vernon H. Oswald; Lowell Ahart 1999-7-5 9814 Siskiyou Gazelle Mtn. on road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy. 1554 Comment
  HSC4823  Phyllodoce empetriformis J. O. Sawyer 1968-7-9 425 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC4826  Phyllodoce empetriformis J. O. Sawyer 1968-7-22 536 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  SD76174  Phyllodoce empetriformis Helen V. Witham 1969-10-9 610 Siskiyou Panther Meadow, Mt. Shasta. 2400 Comment
  CAS-BOT-BC56487  Phyllodoce empetriformis Gilbert Muth 1965-8-8 s.n. Siskiyou Near summit of Marble Rim 1981 Comment
  CAS-BOT-BC140490  Physocarpus Alice Eastwood 1912-9-3 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC140610  Physocarpus capitatus A. A. Heller 1915-7-18 12109 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC18743  Physocarpus capitatus C. B. Wolf 1927-8-26 1072 Siskiyou On the Klamath River near Hamburg. Comment
  JEPS44810  Physocarpus capitatus W. L. Jepson 1902-7-19 13848 Siskiyou Fork of Salmon to Cecilville Comment
  JEPS87965  Physocarpus capitatus Barbara Ertter 1990-7-14 9334 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  UC555305  Physocarpus capitatus D. Tebbe 1929-7-15 117 Siskiyou Mt Eddy Comment
  RSA237209  Picea breweriana Frederick W. Oettinger 1968-8-13 506 Siskiyou Cliffs above Hellhole, near Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA384261  Picea breweriana M. B. Dunkle 9200 Siskiyou Klamath Nat l Forest, Marble Mountains, Sierra Nevada. Comment
  UC1585429  Picea breweriana R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 52 Siskiyou n of Seiad Valley (at Cook and Green Pass along trail toward Copper Butte); Cook and Green Pass 1530 Comment
  JEPS35939  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans, and finally one takes the Dillon Mountain road) 1219 Comment
  HSC32576  Pinus balfouriana Steven Lagos 1974-5-26 80 Siskiyou Little Duck Lake and ridge above it, Bulk Collection # 65 2073 Comment
  JEPS82668  Pinus balfouriana Steve Edwards 1984-6-7 Siskiyou South China Mountain 2438 Comment
  SBBG33719  Pinus balfouriana W. M. Plumb 1969-9-23 Siskiyou between Cory Pk and China Mtn 2133 Comment
  HSC44631  Pinus contorta var. murrayana Jerome Peterson 1978-5-20 18 Siskiyou Haypress Meadow, Bulk Collection # 132 Comment
  POM120191  Pinus contorta var. murrayana Geo D. Butler 1910-5-10 1333 Siskiyou Swampy woods, Goosenest Mountain 1677 Comment
  CAS-BOT-BC78716  Pinus jeffreyi W. R. Dudley 1901-8-26 s.n. Siskiyou Salmon Mountains 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-BC78950  Pinus monticola Doris K. Kildale 1929-8-24 8840 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC78957  Pinus monticola Doris K. Kildale 1928-8-19 6563 Siskiyou Hancock Lake trail to Marble Mt. 2133 Comment
  CAS-BOT-BC78962  Pinus monticola W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake Comment
  HSC100207  Pinus sabiniana J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13176 Siskiyou Along the road from Cecilville to Forks of Salmon. 640 Comment
  JEPS120249  Piperia colemanii Julie Kierstead Nelson 2009-7-8 2009 -018 Siskiyou South slope of Mt. Shasta Comment
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  RSA382785  Piperia elongata M. B. Dunkle 1944-7-18 9121 Siskiyou Deer Creek, Siskiyou National Forest Comment
  JEPS51259  Piperia unalascensis Al Hobart 1967-8-8 Siskiyou on the north face of El Capitan (western Siskiyou Mountains); western Siskiyou Mountains 1828 Comment
  UC166574  Piperia unalascensis Geo. D. Butler 1671 Siskiyou Comment
  CDA40677  Plagiobothrys greenei E. Hale 1984-5-8 s.n. Siskiyou Along Deer Meadow Road, near Yreka. 0 Comment
  CAS-BOT-BC231004  Plagiobothrys hispidulus Alice Eastwood 1921-7-24 10737 Siskiyou Castle Lake Comment
  CAS-BOT-BC231006  Plagiobothrys hispidulus A. A. Heller 1919-6-25 13264 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  POM71621  Plagiobothrys scouleri var. hispidulus Marcus E. Jones 1882-7-8 s.n. Siskiyou Duncan s Mill. 100 mi N of S.F Comment
  POM368969  Plagiobothrys tenellus M. O'Mera 1974-5-25 422 Siskiyou On road 8 ca. 4.7 miles W of junction with Hwy 3. 1159 Comment
  RSA59809  Plagiobothrys tenellus E. K. Balls 1950-5-17 14721 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  RSA611015  Plagiobothrys tenellus L. C. Wheeler 1935-5-18 3495 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  CHSC91387  Plantago lanceolata Lowell Ahart; John Dittes 2005-6-10 12118 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CHSC91394  Plantago lanceolata Lowell Ahart; John Dittes 2005-6-9 12050 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UCSB24814  Platanthera dilatata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass; north of Seiad Valley 1341 Comment
  UC618671  Platanthera leucostachys W. Bridge Cooke 1938-9-8 11672 Siskiyou Squaw Creek Meadows Mount Shasta 2286 Comment
  JEPS83874  Platanthera leucostachys Wayne Roderick 1977-7-1 Siskiyou spring area trail to Lily Pad Lake; Siskiyou Mts., vicinity Cook and Green Pass 1706 Comment
  POM208201  Platanthera leucostachys Louis C. Wheeler 1934-6-18 2725 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  HSC29095  Platanthera sparsiflora Frederick W. Oettinger 1969-7-17 1050 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; Inlet to Upper English Lake 1921 Comment
  RSA249349  Platanthera stricta A. Montalvo, J. D. Akerman 1974-8-17 423 Siskiyou West slope of Preston Peak, 5 miles north of Rattlesnake Meadow 1646 Comment
  RSA237639  Platanthera stricta Frederick W. Oettinger 1967-7-26 205 Siskiyou Along trail down to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC224081  Plectritis brachystemon Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2483 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  HSC68356  Plectritis macrocera J. P. Smith 1973-5-5 6502 Siskiyou Along Cook and Green Pass Rd. Comment
  UC416751  Plectritis macrocera F. N. Hooper 20 Siskiyou Little Shasta Comment
  CAS-BOT-BC261049  Poa Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  UCD80890  Poa Robert E. Preston 2001-6-23 1557 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1767 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
  RSA238342  Poa bolanderi Frederick W. Oettinger 1969-9-4 1644 Siskiyou On slope between Lily Pond and Tobacco lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET10659112  Poa bolanderi A. Arthur Heller 1914-8-28 Heller 11736 Siskiyou Mount Eddy. Found sparingly on the east side of Mount Eddy, in granite, near pine trees. 2438 Comment
  UC820697  Poa bulbosa Louis C. Wheeler 1935-6-1 3536 Siskiyou Yreka Creek; Siskiyou Mts 853 Comment
  UCD90664  Poa bulbosa Morris Halperin 1930-5-17 304 Siskiyou Eureka. Schumeyer Ranch (Geo. Gray.) Comment
  HSC36750  Poa compressa J. P. Smith 1974-5-25 7404 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS73748  Poa compressa George D. Butler 1908-7-1 485 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  UCD90837  Poa compressa Geo. D. Butler 1909-6-30 845 Siskiyou Longmont (?). Comment
  CAS-BOT-BC247011  Poa nervosa Alice Eastwood 1921-7-28 10930 Siskiyou Medicine Lake Comment
  CDA2367  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2581 Siskiyou East of abandoned railroad station building and tracks, Grenada. Comment
  RSA715659  Poa pratensis L. Ahart 2005-6-10 12125 Siskiyou On a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UC1265428  Poa pratensis subsp. pratensis Frederick W. Oettinger and R. F. Thorne 1969-8-5 1191 Siskiyou trail English Lake to Abbotts (vicinity of English Peak); Salmon Mts, High Lake Basins, Marble Mt Wilderness Area Comment
  UC1535351  Poa pratensis subsp. pratensis W. J. Ferlatte 1987-5-22 2107 Siskiyou ca 2.5 mi s Gazelle (e side of Old Hwy 99); Weed Quadrangle 902 Comment
  CAS-BOT-BC247531  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  JEPS25572  Poa pringlei Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7197 Siskiyou near head of ski lift above Mt Shasta Ski Bowl Lodge; Mt Shasta 2834 Comment
  RSA233672  Poa pringlei R. F. Thorne, Frederick W. Oettinger 1969-8-10 38976 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UCD91765  Poa pringlei Freed W. Hoffman 1950-7-13 3655 Siskiyou western side of Baldy Mountain. Comment
  HSC39849  Poa rhizomata J. P. Smith 1973-5-5 6518 Siskiyou Along Cook and Green Pass Rd. Comment
  SEINET7852298  Poa rhizomata G. D. Butler 1910-4-21 1206 Siskiyou Kidder creek, ditch bank. Comment
  CAS-BOT-BC237711  Poa secunda John Thomas Howell 1937-7-29 13620 Siskiyou Scott Mountain between Siskiyou and Trinity counties Comment
  HSC102706  Poa secunda subsp. juncifolia J. P. Smith 2013-6-17 13739 Siskiyou Off Tennant Road at a large, open pit. 1417 Comment
  CAS-BOT-BC243215  Poa secunda subsp. secunda John Thomas Howell 1939-8-2 14912 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC243230  Poa secunda subsp. secunda A. A. Heller 1915-6-10 11956 Siskiyou Little Summit in the Sierra Nevada 1432 Comment
  CDA18409  Poa secunda subsp. secunda G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2618 Siskiyou Klamath Ranges; north edge of Fort Jones beside Hwy 3; ; 0.1 mi N of Hamilton St., Ft. Jones. 822 Comment
  UC1132850  Poa secunda subsp. secunda M. H. Mitchell 1936-5-8 4 Siskiyou base of Schonchin Butte; Modoc Lava Beds Nat'l Monument, Dorris Quadrangle Comment
  UCD91757  Poa secunda subsp. secunda A. H. Murphy 1959-7-22 59 Q Siskiyou Shasta National Forest. Porcupine Lake. 2286 Comment
  HSC92149  Poa wheeleri Jennifer Whipple 1976-6-30 1194 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  SEINET13762989  Polemonium californicum G. D. Butler 1910-7-9 1717 Siskiyou Marble Mountain. 1829 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
  CAS-BOT-BC232902  Polemonium carneum Grace Wood 1919-5-9 s.n. Siskiyou Greenhorn Road Comment
  JEPS69907  Polemonium micranthum Geo. D. Butler 1909-3-16 557 Siskiyou Yreka Comment
  UCD118484  Polemonium occidentale subsp. occidentale Alfred H. Murphy 1961-7-19 61 A Siskiyou Marble Mtns. Klamath National Forest, Sky High Valley, ridge to the west. 1767 Comment
  POM365428  Polemonium pulcherrimum L. C. Wheeler 1934-8-9 3081 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  UC1025129  Polemonium pulcherrimum subsp. pulcherrimum Douglas Barbe 1955-8-1 325 Siskiyou summit of Mt. Bolivar Klamath Mountains, Scott Mtns, summit Mt. Bolivar (Scott Mtns., Klamath Mountains) 2468 Comment
  HSC41813  Polemonium pulcherrimum var. shastense Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  CAS-BOT-BC74165  Polyctenium fremontii L. E. Smith 1913-5-18 227 Siskiyou Bray. Comment
  HSC45188  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-BC170325  Polygala cornuta var. cornuta Wm. Bridge Cooke 1941-9-5 16259 Siskiyou Along Sisson Southern Trail and Memorial Highway, Mt. Shasta. 1371 Comment
  JEPS24632  Polygala cornuta var. cornuta Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6787 Siskiyou along Everitt Memorial Highway to Panther Meadow (lower slopes at sw base of mountain, 2.3 mi above town of Mt. Shasta (Sisson)); Mount Shasta 1219 Comment
  UC164038  Polygonum bistortoides Geo. D. Butler 1908-8-4 183 Siskiyou Shackleford Creek; head Comment
  UCD77951  Polygonum douglasii Robert E. Preston 2001-7-21 1752 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 Section 15 1767 Comment
  CAS-BOT-BC414584  Polygonum douglasii Wm. Bridge Cooke 1941-9-5 16266 Siskiyou At MacBride Springs, Mt. Shasta Comment
  CAS-BOT-BC414586  Polygonum douglasii Wm. Bridge Cooke 1938-7-29 11422 Siskiyou Mount Shasta. Wagon Camp. Along Wagon Camp Creek Comment
  POM280357  Polygonum douglasii George B. Grant 1906-7-25 7101 Siskiyou Lake Tahoe. Comment
  JEPS50578  Polygonum douglasii subsp. douglasii W. L. Jepson 1940-7-3 20118 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  CHSC71596  Polygonum douglasii subsp. johnstonii Vernon H. Oswald; Lowell Ahart 1998-8-3 9456 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. east of Kangaroo Lake. Near Rock Fence Creek. 1920 Comment
  CAS-BOT-BC418590  Polygonum minimum Doris K. Kildale 1930-8-24 9051 a Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  UC1191244  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1948-7-17 13595 Siskiyou Eastern Grass Lake Comment
  CAS-BOT-BC420066  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-24 10752 Siskiyou Castle Lake Comment
  CAS-BOT-BC420072  Polygonum polygaloides subsp. kelloggii A. A. Heller 1922-7-15 13713 Siskiyou At Medicine Lake 2133 Comment
  CAS-BOT-BC420064  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1948-7-18 13621 Siskiyou Grass Lake Comment
  HSC30502  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger 1969-7-11 975 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NW of falls, Hancock Lake 1890 Comment
  UC1409209  Polygonum sawatchense subsp. oblivium Frederick W. Oettinger 1968-8-11 471 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (ne side creek bed, w Siskiyou Co.) 2042 Comment
  UC637105  Polygonum sawatchense subsp. oblivium Annetta Carter 1934-8-15 714 Siskiyou summit of Happy Camp to Waldo (Oregon) road Klamath National Forest, Indian Creek Watershed 1615 Comment
  CAS-BOT-BC420951  Polygonum sawatchense subsp. sawatchense Herbert L. Mason 1948-7-18 13623 Siskiyou Grass Lake Comment
  CAS-BOT-BC109289  Polygonum shastense Robert F. Thorne; Fred Oettinger 1969-8-10 38987 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta. Above ski lodge. 2438 Comment
  HSC30504  Polygonum shastense Frederick W. Oettinger 1969-9-3 1611 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge N below English Peak 2134 Comment
  RSA237764  Polygonum shastense Frederick W. Oettinger 1969-9-3 1611 Siskiyou Shasta Ridge N below English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  SBBG21888  Polygonum shastense D. Myrick 1964-7-25 968 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  RSA44882  Polygonum spergulariiforme J. C. Roos, L. Roos 1948-9-1 3941 Siskiyou Fort Jones Comment
  CAS-BOT-BC232928  Polypogon Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley 822 Comment
  UC196946  Polypogon monspeliensis Geo. D. Butler 1908-6-27 471 Siskiyou near Yreka (along creek); near Yreka Comment
  HSC79151  Polystichum imbricans C. J. Thomas 1983-10-1 101 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  HSC64681  Polystichum imbricans J. O. Sawyer 1977-7-7 3040 Siskiyou N of Little Duck Lake 2073 Comment
  CAS-BOT-BC76737  Polystichum imbricans subsp. imbricans Lewis S. Rose 1945-6-18 45079 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC76730  Polystichum imbricans subsp. imbricans J. H. Thomas; H. A. Thomas 1954-7-27 4557 Siskiyou Salmon - Trinity Mts. - about 6 miles SE of Cecilville, along south Fork of Salmon River. 914 Comment
  UC1936239  Polystichum kruckebergii John Game and Jeff Greenhouse 04 -76 Siskiyou Marble Mountains; between the Pacific Crest Trail and a ridge running E from the main ridge between Kings Castle and Black Marble Mountain. About 9/10 mi N and one quarter air mi E of the summit of Black Marble Mountain. 6,700 +- 100 ft 2042 Comment
  CHSC99998  Polystichum lemmonii L. P. Janeway 2008-7-25 9495 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1817 Comment
  CAS-BOT-BC72394  Polystichum lemmonii Geo. D. Butler 1910-7-1 1756 Siskiyou Shackleford Creek 1371 Comment
  POM114187  Polystichum lemmonii Geo D. Butler 1908-8-5 238 Siskiyou West Fork of Wooley Creek. 1677 Comment
  JEPS84113  Polystichum lonchitis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6417 Siskiyou ca. 5 mi. n. town of Seiad Valley (e. slope of Kangaroo Mt., cirque at head of Hell's Canyon); Kangaroo Mt., Hell's Canyon 1828 Comment
  UC1334021  Polystichum lonchitis Dorothy Parker 336 Siskiyou above Paradise Lake; Siskiyou Mts., Salmon Mt. 1981 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
  UC1584626  Polystichum scopulinum Dean W. Taylor 1975-8-14 5461 Siskiyou between Shasta Ski area and Green Butte; Mt. Shasta 2590 Comment
  HSC19175  Populus tremuloides J. O. Sawyer 1968-7-23 603 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  CAS-BOT-BC102761  Populus tremuloides W. B. C. 1938-8-25 11586 Siskiyou Along Pilgrim Creek, forest along Pilgrim Creek east of Widow Spring 1371 Comment
  JEPS125852  Potamogeton alpinus subsp. tenuifolius Dean W. Taylor 1996-6-24 15741 Siskiyou Klamath River canyon near Oregon State line Comment
  CAS-BOT-BC453749  Potamogeton natans Alice Eastwood 1912-7-21 1284 Siskiyou Sisson Comment
  HSC79092  Potamogeton natans Paul Wilson 1984-8-26 356 Siskiyou Juanita Lake Reservoir 1555 Comment
  HSC61505  Potamogeton nodosus Ruby Van Deventer 9 Aug [year missing] Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UC164068  Potentilla anserina subsp. anserina Geo. D. Butler 1910-9-13 1874 Siskiyou Butte Valley 1280 Comment
  CAS-BOT-BC143184  Potentilla breweri H. E. Brown 1897-6-11 472 Siskiyou On the north side of Mt. Shasta 2743 Comment
  RSA105387  Potentilla flabellifolia G. D. Barbe 1955-7-6 127 Siskiyou SE end of Taylor Lake, Salmon Mtns. 1951 Comment
  RSA211490  Potentilla glandulosa subsp. ashlandica William J. Ferlatte 1966-7-7 198 Siskiyou Caribou Basin. 1982 Comment
  RSA74740  Potentilla glandulosa subsp. ashlandica Albert M. Vollmer 1951-5-31 36 Siskiyou Scott Mountain. Comment
  UCD113876  Potentilla gracilis A. A. Heller 1919-6-20 13258 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  CDA26100  Potentilla gracilis subsp. nuttallii T. C. Fuller 1958-6-19 1822 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  UC1409339  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Horse Range Lake meadow Salmon Mountains, Marble Mountain Wilderness Area (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, W Siskiyou Co.) 1828 Comment
  CAS-BOT-BC540553  Potentilla gracilis var. fastigiata Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  HSC29385  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Marble Mtns. Wilderness Area, Horse Range Lake meadow 1829 Comment
  HSC90739  Potentilla gracilis var. fastigiata Jennifer Whipple 1976-6-17 1027 Siskiyou Near Durney Lake, N end of lake 2073 Comment
  SEINET516294  Potentilla newberryi Vernon H. Oswald 1998-6-27 9241 Siskiyou Dry Lake on the S side of Tennant Rd., ca 9 air mi E of Grass Lake, ca. 22 air mi NE of Wee. 1402 Comment
  HSC18928  Prunella vulgaris subsp. lanceolata J. O. Sawyer 1969-8-5 1966 Siskiyou Along Sugar Creek. 1707 Comment
  CAS-BOT-BC158208  Prunus emarginata John Thomas Howell 1937-7-25 13449 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC158222  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles north of Dunsmuir 914 Comment
  SEINET10874318  Prunus emarginata David B. Dunn 1971-8-15 Dunn 18142 Siskiyou 0.5 mile e of mccloud ranger station on mwy 89. Yellow pine forest. Fruit Scarlet Comment
  SEINET9362850  Prunus emarginata Unknown 2009-5-31 Siskiyou High elevation, semi-arid ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC159729  Prunus subcordata var. oregana C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  CAS-BOT-BC151249  Prunus virginiana var. demissa Geo. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  UC1128442  Prunus virginiana var. demissa M. H. Mitchell 1936-5-12 Siskiyou n side of Eaglenest, Modoc Lava Beds National Monument Eaglenest; Modoc Lava Beds National Monument, Eaglenest 1584 Comment
  CDA26212  Prunus virginiana var. melanocarpa T. Gallion 1959-5-12 2363 Siskiyou North of Dunsmuir. 0 Comment
  CAS-BOT-BC239810  Pseudoroegneria spicata David D. Keck 1949-7-19 6354 Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  JEPS72981  Pseudoroegneria spicata subsp. spicata W. L. Jepson 1940-6-22 19973 Siskiyou Klamath River near Hornbrook; Klamath River 670 Comment
  UC203951  Pseudoroegneria spicata subsp. spicata Geo. D. Butler 1909-6-27 848 Siskiyou Klamath River Comment
  CHSC96624  Pseudostellaria jamesiana L. P. Janeway 2006-7-1 8725 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  RSA24182  Pseudotsuga menziesii C. B. Wolf 1940-12-11 9795 Siskiyou Siskiyou County: Siskiyou Mts, 8 miles above oak Knoll ranger station on road to dry lake lookout. 1524 Comment
  HSC69268  Pseudotsuga menziesii var. menziesii John Palmer 1980-7-23 576 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  HSC68392  Pteridium aquilinum var. pubescens Maralyn A. Renner 1980-6-26 1248 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC68442  Pteridium aquilinum var. pubescens Maralyn A. Renner 1980-7-4 1387 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow Comment
  CHSC1418  Pterospora andromedea 1936-7-14 Siskiyou Black Butte 1158 Comment
  JEPS59082  Pterospora andromedea Willis L. Jepson Jul 24 1894-Aug 10 1894 14667 Siskiyou Sisson's Comment
  UC1505634  Pterospora andromedea Robert T. Clausen and Harold Trapido 1940-7-26 4949 Siskiyou canyon of Mud Creek South Cascade Mts., Sacramento River Basin 1463 Comment
  RSA238574  Pterospora andromedea Frederick W. Oettinger 1968-8-17 556 Siskiyou NW of Pine lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC57350  Pteryxia terebinthina var. californica J. G. Lemmon and wife 1889-6-27 45 Siskiyou Edgewood, Siskiyou County Comment
  CDA32665  Puccinellia distans L. Ahart, J. Dittes 2005-6-9 12002 Siskiyou About 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  UCR13736  Purshia tridentata N. R. Zabriskie, W. W. Zabriskie 1971-7-23 411 Siskiyou Hwy 89 just east of McCloud, southeast of Mt. Shasta Comment
  CAS-BOT-BC147892  Purshia tridentata var. tridentata Doris K. Kildale; J. W. Gillespie 1929-6-22 8030 Siskiyou Base of Black Butte, Mt. Shasta Comment
  CAS-BOT-BC147900  Purshia tridentata var. tridentata W. R. Dudley 1899-8-9 s.n. Siskiyou Near Sisson Comment
  UC860303  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  HSC43038  Pyrola aphylla J. O. Sawyer, Ken Stillman 1976-7-2 2811 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC460871  Pyrola aphylla L. E. Smith 1914-7-3 734 Siskiyou Sisson Comment
  CAS-BOT-BC462543  Pyrola dentata Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Near Cedar Lake, Trinity Mts. 1828 Comment
  RSA0083256  Pyrola picta R. F. Thorne 1969-8-2 63390 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  UC563092  Pyrrocoma racemosa var. paniculata Elmer I. Applegate 1923-8-21 3925 Siskiyou s of Lower Klamath Marsh; Willow Creek Comment
  CDA8522  Pyrrocoma racemosa var. paniculata Bill Huse 1953-7-31 Siskiyou Bill Sargent, 6 miles east of Dorris. 0 Comment
  JEPS105036  Pyrrocoma racemosa var. pinetorum Dean W. Taylor 1996-7-7 15821 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  OBI55547  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-24 23572 Siskiyou East of McCloud along Hwy 89, 7.7 mi W of Shasta County line. Comment
  CAS-BOT-BC68648  Quercus chrysolepis Louis C. Wheeler 1934-9-4 3242 Siskiyou Klamath National Forest, Bear Creek 1371 Comment
  UC1409456  Quercus chrysolepis Frederick W. Oettinger 1969-8-16 1399 Siskiyou sw of Wiregrass Meadow (below English Lake, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  RSA639547  Quercus garryana var. breweri Louis C. Wheeler 1952-9-17 6941 Siskiyou [No location information on label.] Comment
  UC5485  Quercus garryana var. breweri W. H. Brewer 1862-8-22 1336 Siskiyou 6 mi w Mt. Shasta; ; NW of Middletown, 6 mi. W of Mt. Shasta Comment
  UCD46070  Quercus garryana var. garryana Frank C. Vasek 1975-6-29 750629 -1 Siskiyou 1.9 miles south of Gazelle (toward Edgewood). Comment
  CAS-BOT-BC105469  Quercus kelloggii D. E. Breedlove 1962-6-10 3319 Siskiyou on the N bank of the Klamath River at its junction with Goff Creek, 4.5 miles W of Seiad 411 Comment
  SEINET5644385  Quercus kelloggii Brent Helm, Curtis Miller; Mark Steiger 1988-4-30 80 Siskiyou 1 mile east of Spring Flat Campground; along Scott River Rd in Montane forest.; 0 Comment
  UCD14453  Quercus kelloggii John M. Tucker 1972-8-8 4244 Siskiyou 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); Comment
  CAS-BOT-BC104362  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Klamath National Forest, Jaynes canyon 1859 Comment
  CAS-BOT-BC12345  Quercus sadleriana James R. Shevock; David Toren 2000-9-1 20099 Siskiyou Rouge River National Forest. Applegate River Drainage. 1432 Comment
  POM256457  Quercus sadleriana Edward Lee 1934-8-13 1067 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest. 1372 Comment
  UCD47217  Quercus sadleriana D. Sanchez-Mata 1992-11-1 s.n. Siskiyou Klamath National Forest. Happy Camp-O' Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  UCD59190  Quercus sadleriana Steve Edwards; Wayne Roderick 1983-7-10 105 Siskiyou East of Cook and Green Pass 1524 Comment
  UCSB1236  Quercus sadleriana Bacigalupi, Rimo; Constance, Lincoln; Tracy, J. 1951-6-16 Siskiyou About 1.5 miles below and southeast of saddle at summit of Takilma-Happy Camp Road Comment
  CAS-BOT-BC104616  Quercus vacciniifolia L. E. Smith 1913-6-29 417 Siskiyou Rainbow Comment
  CAS-BOT-BC104639  Quercus vacciniifolia Marion Ownbey; Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain Comment
  HSC19217  Quercus vacciniifolia J. O. Sawyer 1968-6-25 330 Siskiyou 1646 Comment
  POM166591  Quercus vacciniifolia E. B. Copeland 1903-8-17 3930 Siskiyou Mt. Eddy. 1433 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
  UC455272  Quercus vacciniifolia I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1676 Comment
  UCD37090  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Siskiyou County, canyon of Sacramento River, just above junction of river's north fork with middle and south forks. 1066 Comment
  UCR222479  Quercus vacciniifolia R. F. Thorne 1969-8-2 63399 B Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  CAS-BOT-BC328129  Raillardella pringlei Douglas Barbe 1959-7-11 538 Siskiyou Gumboot Lake, headwaters of the South Fork Sacramento River, 15 miles west of Mount Shasta, Shasta National Forest 1767 Comment
  CHSC86638  Ranunculus californicus Jenny Marr 1993-7-1 21 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET7042790  Ranunculus californicus A. G. Vestal 1955-5-17 s.n. Siskiyou Meadow at Oxbow west of Scott River. 9.5 miles south of Fort Jones. Etna quadrangle UTM Zone 10 508671mE, 4590390mN. Comment
  HSC64659  Ranunculus eschscholtzii J. O. Sawyer 1977-7-6 3025 Siskiyou S of Little Duck Lake 2134 Comment
  UC454029  Ranunculus occidentalis I. J. Condit 1911-7-13 Siskiyou Dunsmuir; creek bed Comment
  RSA47793  Ranunculus occidentalis var. ultramontanus Roxana S. Ferris, Laura Lorraine 1948-6-13 12 Siskiyou 2.6 miles below summit of Gazelle Mtn grade, E side. 1418 Comment
  HSC598  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1966-6-23 145 Siskiyou Big Flat, near public camp 1524 Comment
  JEPS74464  Ranunculus orthorhynchus var. orthorhynchus W. J. Ferlatte 1966-6-23 145 Siskiyou near public camp; Trinity Alps, Big Flat 1524 Comment
  UC54285  Ranunculus orthorhynchus var. orthorhynchus H. M. Hall and E. B. Babcock June, 1903 4066 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta (meadows around) 1066 Comment
  UC796607  Ranunculus orthorhynchus var. orthorhynchus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11820 Siskiyou Parker Ranch Plowman's (Noyes) Valley, e. fork of Scott River Drainage 1203 Comment
  SJSU6491  Ranunculus uncinatus R. W. Trivelpiece 1972-6-14 107 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  RSA746507  Rhamnus californica subsp. occidentalis K. M. Meyer, A. Townesmith 2007-7-31 176 Siskiyou Shasta-Trinity National Forest, 6.2 mi on NF Rd. 17, off US Hwy 97. 1350 Comment
  UC637070  Rhamnus californica subsp. occidentalis Edward Lee 1934-8-13 1060 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath Mountains, West Branch of Indian Creek 1219 Comment
  POM181614  Rhamnus californica subsp. occidentalis Dorothy Parker 1950-6-27 465 Siskiyou Near an irrigation ditch in Scott Valley. 884 Comment
  CDA17132  Rhamnus purshiana G. F. Hrusa 2001-6-6 15846 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  POM136617  Rhamnus rubra E. B. Copeland 1903-9-6 3863 Siskiyou Mt. Eddy. Comment
  SBBG25359  Rhododendron neoglandulosum J. M. Tucker 1963-7-5 3704 Siskiyou Blake's Fork of S Russian Crk (tributary of the Salmon River), ca. 7 mi (airline) E of Sawyer's Bar, Salmon Mtns 1615 Comment
  CAS-BOT-BC200398  Rhododendron occidentale var. paludosum Jessie P. Rose 1908-6-13 80 Siskiyou Sacramento River at Dunsmuir Comment
  CDA32771  Rhododendron occidentale var. paludosum G. F. Hrusa 1992-5-3 9555 Siskiyou Siskiyou Mountains; South side of Scott Mtn. just below summit area. 1627 Comment
  HSC27471  Rhus aromatica J. P. Smith, J. O. Sawyer 1972-5-28 5368 Siskiyou 2.7 mi. N of Rd. 8 and Sugar Creek on Hwy. 3 915 Comment
  UC585101  Rhus trilobata E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1951 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta, on hwy from Bray to Weed); Mt. Shasta 1249 Comment
  CAS-BOT-BC108782  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou Eight miles north of Weed along U.S. Highway #97. Comment
  SFV18029  Ribes cereum var. cereum J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Siskiyou 2 miles south of Lava Beds National Monument on Lava Beds National Monument Road. 1738 Comment
  UCR70820  Ribes cereum var. cereum M. O'Mera 1974-5-27 471 Siskiyou Along road 47N03. 1646 Comment
  CAS-BOT-BC168865  Ribes inerme var. klamathense Doris K. Kildale 1929-4-27 7842 Siskiyou Cecilville, Upper South Fork of Smith River Comment
  JEPS49411  Ribes inerme var. klamathense W. L. Jepson July, 1894 13509 Siskiyou Sisson Comment
  RSA0021104  Ribes lacustre Louis C. Wheeler 1934-6-14 2713 Siskiyou Arrrastre Creek off Hungry Creek, Siskiyou Mountains. 1280 Comment
  CAS-BOT-BC173382  Ribes lobbii Roxana S. Ferris; Laura Lorraine 1948-6-12 11768 Siskiyou About 6 miles from Etna on forks of Salmon Road 1676 Comment
  JEPS49363  Ribes lobbii Geo. D. Butler 1908-7-19 265 Siskiyou Humbug Creek Comment
  SBBG2762  Ribes lobbii H. and M. Dearing 1939-7-2 3799 Siskiyou Salmon Mtn summit 1981 Comment
  RSA0021142  Ribes lobbii J. M. Tucker 1974-7-28 4324 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC41076  Ribes roezlii J. O. Sawyer 1970-4-3 2051 Siskiyou Robinsons Flat, 4 mi. E of Sawyers Bar 732 Comment
  UCD102463  Ribes roezlii Jack Major 1961-7-14 634 Siskiyou Panther Creek, Mount Shasta. 1790 Comment
  CAS-BOT-BC199989  Ribes roezlii var. cruentum Geo. D. Butler 1910-4-21 1211 Siskiyou Oro Fino Comment
  HSC20328  Ribes roezlii var. cruentum Geo. D. Butler 1909-5-31 780 Siskiyou Humbug Comment
  JEPS49456  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-15 645 Siskiyou Humbug Comment
  CAS-BOT-BC144520  Ribes sanguineum var. sanguineum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek Basin, Happy Camp 1524 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
  RSA0019711  Ribes velutinum Elmer I. Applegate 1898-5-15 2126 Siskiyou Klamath River. Between Shovel Creek and Fall Creek. 793 Comment
  UC75456  Ribes viscosissimum Milo S. Baker 1898-8-1 472 Siskiyou Medicine Lake Comment
  UC90676  Rigiopappus leptocladus K. Brandegee July 1887 Siskiyou Ager Comment
  RSA29463  Rorippa columbiae J. William Thompson 1936-7-8 13148 Siskiyou Lava slopes of Lava Beds Nat l Monument. Comment
  UC1871382  Rosa Barbara Ertter 2006-7-30 18738 Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  CAS-BOT-BC147462  Rosa californica A. M. Vollmer; L. Beane 1951-6-2 41 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  RSA105407  Rosa pisocarpa G. D. Barbe 1955-7-4 95 Siskiyou 10 miles S of Etna on French Creek road. 945 Comment
  RSA2867  Rosa pisocarpa Carl B. Wolf 1931-9-2 2390 Siskiyou Near the fish hatchery at Mt. Shasta City (Sisson). 1067 Comment
  HSC74836  Rosa rubiginosa J. P. Smith, J. O. Sawyer 1978-7-3 10005 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  CAS-BOT-BC149737  Rosa woodsii subsp. ultramontana Geo. D. Butler 1910-7-31 1804 Siskiyou Yreka Creek Comment
  CAS-BOT-BC149745  Rosa woodsii subsp. ultramontana Elmer I. Applegate 1923-8-21 3919 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CAS-BOT-BC147981  Rubus leucodermis Carl B. Wolf 1927-8-27 1134 Siskiyou At mouth of Crawford Creek, Klamath River Comment
  CAS-BOT-BC147320  Rubus parviflorus H. A. Thomas; J. H. Thomas 1954-7-23 4463 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  HSC58948  Rubus parviflorus Marvin Butler 1971-7-19 156 Siskiyou Near Marv's Meadow, close to the town of Cave Junction. 1464 Comment
  UC829536  Rudbeckia klamathensis Alice Eastwood 1912-8-30 2047 Siskiyou Mt. Eddy Comment
  RSA611388  Sagina apetala L. C. Wheeler 1934-6-2 2606 Siskiyou Klamath River at Cherry Flat; Siskiyou Mts. 518 Comment
  HSC29616  Sagina saginoides Frederick W. Oettinger 1969-8-22 1495 Siskiyou Marble Mtn. Wilderness Area, SE of Horse's Hole, near Horse Range Lake 1820 Comment
  SD88326  Sagittaria longiloba Darley F. Howe 1972-7-8 Siskiyou Grass Lake, 21 miles north of Weed on #97. 1525 Comment
  CAS-BOT-BC103368  Salix bonplandiana Gordon H. True 1968-8-6 4579 Siskiyou just N of Yreka on Yreka-Ashland Highway 807 Comment
  CAS-BOT-BC103539  Salix commutata Louis C. Wheeler 3083 Siskiyou Klamath National Forest, Jaynes Canyon 1981 Comment
  CAS-BOT-BC103542  Salix commutata Gilbert J. Muth 1969-8-11 1356 Siskiyou slope beneath high point of ridge s. of Boulder Peak 2377 Comment
  JEPS80493  Salix eastwoodiae Gilbert Muth 1966-7-8 377 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  SBBG50695  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 a Siskiyou near Paradise Lake, Paradise Lake Public Camp, base of Kings Castle on the E side, Marble Mountain Wilderness Area 1981 Comment
  JEPS38483  Salix exigua W. L. Jepson 1907-7-22 2953 Siskiyou Burhart's Ranch Hamburg; Klamath River Comment
  POM123883  Salix exigua L. R. Abrams 1922-8-7 9903 Siskiyou Klamath River. 6 miles below Harnbrook. Comment
  UC1190186  Salix jepsonii Ira L. Wiggins 1955-7-27 13565 Siskiyou margin of Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1409262  Salix jepsonii Frederick W. Oettinger 1968-9-4 697 Siskiyou slope s.e. of Abbott's Lake; Salmon Mts, High Lake Basins, Englis 1767 Comment
  CAS-BOT-BC125449  Salix lasiandra var. lasiandra L. E. Smith 1914-5-5 651 Siskiyou Sisson Comment
  CAS-BOT-BC125451  Salix lasiandra var. lasiandra Louis C. Wheeler 1934-7-6 2893 Siskiyou Klamath National Forest, Hungry Creek 1371 Comment
  SD1001  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, edge of stream above Metcalf ranch house 1349 Comment
  CAS-BOT-BC107079  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 832 Siskiyou East side of Mt. Eddy; Wagon Creek above Metcalf ranch house; 8-9 miles N.W. of Mt. Shasta City 1203 Comment
  UC482341  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-22 476 Siskiyou Gibson flag station Pit River (125 km n of Red Bluff) 450 Comment
  UC576377  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 852 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  UC576383  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 832 Siskiyou 8-9 mi. n.w.of Mt. Shasta City (Wagon Creek above Metcalf ranch house); e. side Mt. Eddy 1203 Comment
  CAS-BOT-BC107340  Salix lasiolepis var. bigelovii Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou About 10 km. northwest of Shasta City 1080 Comment
  CAS-BOT-BC128309  Salix lasiolepis var. lasiolepis L. R. Abrams 1922-8-7 9902 Siskiyou Klamath River 6 mi. below Hornbrook Comment
  SEINET10682432  Salix lemmonii Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 188 Siskiyou Klamath National Forest, 13.3 m on Forest Service Rd. 70, off US Hwy. 97 toward Oregon. 1956 Comment
  POM213972  Salix melanopsis Isabelle C. Kimber 1934-6-9 12 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek. 732 Comment
  CAS-BOT-BC126163  Salix scouleriana Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC129027  Salix scouleriana Doris K. Kildale 1929-7-20 8719 Siskiyou Trail to Raspberry Lake, upper Indian Creek 1828 Comment
  HSC28681  Salix scouleriana Frederick W. Oettinger 1968-9-8 784 Siskiyou Marble Mtn. Wilderness Area, E shore of English Lake 1738 Comment
  JEPS38485  Salix scouleriana W. L. Jepson 1907-7-19 2947 Siskiyou Indian Creek above Happy Camp; western Siskiyou Co. Comment
  LA208916  Salix scouleriana Mrs. H. P. Bracelin; 1931-6-21 472 Siskiyou N base of Mount Eddy, ca. 13 km NW of Shasta City; at bridge, about 1.3 km E of Burney Mill 1110.0 Comment
  POM107201  Salix scouleriana Geo. D. Butler 1909-4-11 1079 Siskiyou Shasta Retreat. Comment
  RSA238270  Salix scouleriana Frederick W. Oettinger 1969-7-29 1093 Siskiyou Margin of Dry Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1845 Comment
  SEINET10682428  Salix scouleriana Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 179 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. 1607 Comment
  UC375229  Salix scouleriana Geo. D. Butler 1910-4-1 1155 Siskiyou Humbug Mt. 1219 Comment
  UC449843  Salix scouleriana L. S. Smith 1931-6-1 13 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  UC198727  Salix sitchensis Annie M. Alexander and L. Kellogg 1911-6-23 180 Siskiyou Jackson Lake 1798 Comment
  HSC27031  Salsola tragus J. P. Smith, J. O. Sawyer 1972-9-14 5800 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  JEPS104950  Salvia dorrii var. dorrii Dean W. Taylor 1996-6-26 15745 Siskiyou Iron Creek Reservoir; drainage of Brush Creek; Klamath National Forest; Cascade Ranges 670 Comment
  UC456098  Salvia sonomensis I. J. Condit 1911-7-22 Siskiyou Sisson, on Shasta trail Comment
  UC1408790  Sambucus racemosa var. microbotrys Frederick W. Oettinger 1969-7-18 1059 Siskiyou Upper English Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, w Siskiyou Co., high lake basins in vicinity of English Peak) 1767 Comment
  HSC287  Sambucus racemosa var. racemosa William J. Ferlatte 1967-8-22 1080 Siskiyou Caribou Basin. 1982 Comment
  HSC34353  Sambucus racemosa var. racemosa J. P. Smith, J. O. Sawyer 1973-8-14 7304 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  SEINET3103512  Sambucus racemosa var. racemosa Steve Selva, Roger Jensen 1974-8-26 61 Siskiyou Collected along road 8 to Sugar Creek trail. Approx. 2 miles from highway 3. Comment
  UC13054  Sanguisorba annua W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  CDA26417  Sanguisorba annua G. D. Barbe, T. C. Fuller 1972-6-14 946 Siskiyou North of Weed, ca. 1 mile north of US 97 on Hoy Road. 0 Comment
  UC165427  Sanicula graveolens Geo. D. Butler 1909-5-31 1023 Siskiyou Humbug Creek Comment
  SBBG21922  Saponaria officinalis D. Myrick 1964-7-25 974 Siskiyou near Shasta Royal Inn, Dunsmuir 762 Comment
  RSA269281  Saussurea americana T. C. Fuller, D. H. Shaw 1974-9-24 20045 Siskiyou Headwaters of Horse Creek, SW slope of White Mountain, Siskiyou Mountains. Comment
  SD88171  Saussurea americana D. H. Shaw, T. C. Fuller 1974-9-24 20045 Siskiyou Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. Comment
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Dec 7 2013
  JEPS26621  Saxifraga ferruginea Herbert L. Mason Jul 18 1961-Jul 22 1961 15125 Siskiyou 1 mi over ridge and se of Castle Lake (Little Castle Lake); Little Castle Lake 1691 Comment
  RSA238322  Saxifraga occidentalis var. rufidula Frederick W. Oettinger 1969-7-16 1037 Siskiyou Base of cliffs S of Abbott s Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  RSA261464  Saxifraga oregana J. M. Tucker 1974-7-26 4292 Siskiyou Let Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1433 Comment
  CAS-BOT-BC445872  Saxifragopsis fragarioides John Thomas Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC718  Saxifragopsis fragarioides William J. Ferlatte 1967-8-20 1054 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  CAS-BOT-BC283649  Schedonorus pratensis Louis C. Wheeler 1934-6-26 2796 Siskiyou Cottonwood Creek, Siskiyou Mountains 838 Comment
  CAS-BOT-BC283651  Schedonorus pratensis W. B. C. 1938-9-17 11694 Siskiyou Horse Camp, Mount Shasta Comment
  HSC30683  Scirpus congdonii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1290 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog due E of English Lake outlet 1829 Comment
  UC1265450  Scirpus microcarpus Frederick W. Oettinger 1969-7-31 1121 Siskiyou on inlet stream Upper English Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1767 Comment
  SJSU7863  Sclerolinon digynum M. R. Kempf 1965-7-14 Siskiyou c. 2 mi SE of Bartle on State Rte 89 1219 Comment
  UCD13291  Scutellaria siphocampyloides W. C. Overton Jr. 1977-6-26 s.n. Siskiyou Siskiyou CO. Scott Bar Mountains, beside Ridge Road, 3.15 miles from junction with Hawkinsville Road, northwest of Yreka. Elevation ca. 4750 feet. Comment
  CHSC6714  Secale cereale B. Anthony 1968-6-2 562 Siskiyou Pasture of Betty Anthony, Old Etna, 2 miles from Etna. 914 Comment
  HSC26548  Secale cereale J. P. Smith, Steve Selva 1970-7-17 4429 Siskiyou Along Klamath River Comment
  UCR278356  Sedum kiersteadiae Peter F. Zika 2013-6-28 26289 Siskiyou Klamath Range, Route 26, 0.6 air km west-northwest of Gumboot Lake 1960 Comment
  CAS-BOT-BC61473  Sedum laxum subsp. laxum G. P. Rixford s.n. Siskiyou Hilt Comment
  CAS-BOT-BC64641  Sedum obtusatum subsp. boreale John Thomas Howell 1939-8-8 15141 Siskiyou Between Marble Valley and Sky High Valley, Marble Mts. Comment
  POM259593  Sedum obtusatum subsp. boreale J. T. Howell 1939-8-8 15141 Siskiyou Between Marble Valley and Sky High Valley, Marble Mts. Comment
  CHSC72211  Sedum obtusatum subsp. obtusatum Vernon H. Oswald; Lowell Ahart 1998-8-3 9429 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. West of Kangaroo Lake. 1981 Comment
  HSC26103  Sedum obtusatum subsp. retusum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC76890  Sedum obtusatum subsp. retusum K. T. Stillman 1976-7-7 155 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  SBBG30539  Sedum oregonense D. Myrick 1968-6-27 2036 Siskiyou just above Carter's Ranch, 5 mi S of Big Flat 1676 Comment
  UC1190125  Sedum radiatum Ira L. Wiggins 1955-7-22 13458 Siskiyou ridge w China Creek (s side of S Fork Salmon River); , w of China Creek 944 Comment
  RSA576448  Selaginella densa var. scopulorum Louis Cutter Wheeler 1934-8-14 3122 Siskiyou 0.5 mile west White Mountain, Siskiyou Mountains 1921 Comment
  CAS-BOT-BC496375  Selaginella scopulorum Louis C. Wheeler 1934-8-14 3122 Siskiyou Siskiyou Mts., 0.5 mile W White Mt. 1920 Comment
  UC185219  Selaginella wallacei Geo. D. Butler 1909-7-15 874 Siskiyou Salmon Range 1828 Comment
  UCD77997  Senecio aronicoides Robert E. Preston 2001-6-23 1614 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1889 Comment
  RSA0125045  Senecio exaltatus Geo. D. Butler 1910-6-19 1581 Siskiyou Goosenest Foothills. 1524 Comment
  JEPS94673  Senecio integerrimus var. exaltatus Vernon H. Oswald and Lowell Ahart 1998-6-11 9216 Siskiyou near intersection of Meiss Lake-Sames Neck Rd. and Hwy. 97 (ca 5 mi n of Macdoel); Butte Valley National Grassland 1295 Comment
  CDA7665  Senecio sylvaticus D. Osterhandt, Don Shaw 1979-8-17 Siskiyou Near Forks of Salmon. 0 Comment
  CAS-BOT-BC364421  Senecio triangularis Marion Ownbey; Ruth P. Ownbey 1938-7-20 1759 Siskiyou 1 mile northwest of Dry Lake Lookout, summit of the Siskiyou Mts. Comment
  CAS-BOT-BC364438  Senecio triangularis Annie M. Alexander; Louise Kellogg 1949-7-19 5809 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  HSC61999  Senecio triangularis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC81561  Senecio triangularis Thomas W. Nelson, Jane P. Nelson 1980-7-19 6208 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  HSC96431  Senecio triangularis Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 475 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA183732  Senecio triangularis Gilbert Muth 1965-8-2 142 Siskiyou Meadow at Marble Valley. Marble Mountains. Comment
  RSA473096  Senecio triangularis L. C. Wheeler 1934-8-9 3084 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  UC722747  Senecio triangularis C. L. Hitchcock and J. S. Martin 1939-7-6 5204 Siskiyou 2 mi within California boundary on Takilma- Happy Camp road; Siskiyou Mts. 1554 Comment
  CAS-BOT-BC364788  Sericocarpus oregonensis subsp. oregonensis A. A. Heller 1914-8-25 11700 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  OBI53780  Sericocarpus oregonensis subsp. oregonensis David J. Keil 1992-7-19 23463 Siskiyou Klamath NF. 6.5 mi NW of Sawyers Bar on Sawyers Bar Rd Comment
  UC1409367  Sibbaldia procumbens Frederick W. Oettinger 1968-8-23 607 Siskiyou ridges near Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  CAS-BOT-BC213141  Sidalcea Doris K. Kildale 1928-7-25 5878 Siskiyou Klamath River near Hamburg 457 Comment
  HSC73257  Sidalcea malviflora M. A. Baker 1980-6-20 2186 Siskiyou Near Bald Mtn. 1036 Comment
  HSC34305  Sidalcea oregana J. P. Smith, J. O. Sawyer 1973-8-14 7301 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  SBBG4716  Sidalcea oregana H. and M. Dearing 1939-6-30 3757 Siskiyou Callahan-Trinity Alps Rd 1219 Comment
  CAS-BOT-BC205788  Sidalcea oregana Wm. Bridge Cooke 1939-7-7 13589 Siskiyou Mount Shasta. At Bear Springs Comment
  HSC58911  Sidalcea oregana subsp. spicata Marvin Butler 1971-7-21 185 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC71104  Sidalcea oregana subsp. spicata Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4510 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UC60962  Sidalcea oregana subsp. spicata Geo. B. Grant Sept. 1902 5216 a Siskiyou Mount Shasta 914 Comment
  UC725676  Sidalcea oregana subsp. spicata A. A. Heller 1916-7-20 12474 Siskiyou near Wagon Creek Falls (e side Mt. Eddy); e side of Mt. Eddy, near Wagon Creek Falls 1524 Comment
  CAS-BOT-BC178693  Silene Volney Rattan 1903-6-13 s.n. Siskiyou Klamath Comment
  HSC67837  Silene bernardina J. O. Sawyer, J. Cole 1980-7-22 3915 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC4177  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-5-31 772 Siskiyou Humbug Comment
  JEPS84221  Silene campanulata subsp. glandulosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6365 Siskiyou ca 7 mi nne Seiad Valley (ca 1/2 mi e of Red Butte summit, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass 1900 Comment
  SEINET3165983  Silene campanulata subsp. glandulosa P. J. Alexander 2008-7-24 870 Siskiyou Below the Pacific Crest Trail on the E side of Lilypad Lake, +-0.6 miles S of Red Butte, +-5.5 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1737 Comment
  JEPS51030  Silene douglasii W. L. Jepson 1940-6-23 20027 Siskiyou n Mt. Shasta; n of Mt. Shasta, Andesite station 975 Comment
  CAS-BOT-BC388965  Silene grayi Copeland 1903-9-7 3853 Siskiyou Mt. Eddy Comment
  HSC92644  Silene grayi Jennifer Whipple 1976-7-9 1398 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  UCD98595  Silene grayi R. Tofsrud; J. M. Tucker 1948-8-2 1764 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2407 Comment
  RSA184741  Silene grayi Gilbert Muth 1965-8-17 231 Siskiyou Back side of Black Mountain, Marble Mountains. Comment
  CAS-BOT-BC388995  Silene laciniata subsp. californica Alice Eastwood 1912-7-24 1370 Siskiyou Castella Comment
  HSC61455  Silene laciniata subsp. californica Ruby Van Deventer 1938-6-11 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC4217  Silene latifolia Dorothy Parker 1949-6-30 Siskiyou Along banks of Crystal Creek, Scott Valley 872 Comment
  CAS-BOT-BC389430  Silene lemmonii Alice Eastwood 1912-7-21 1287 Siskiyou Sisson Comment
  CAS-BOT-BC389533  Silene menziesii David D. Keck 1938-8-7 4853 Siskiyou Scott Mountain Lodge, 2 mi. E. of Callahan, on E. Fork of Scott River at junction with Mill Creek 1000 Comment
  POM151575  Silene menziesii var. viscosa Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek Comment
  HSC68010  Silene vulgaris J. P. Smith, Steve Selva 1970-6-15 3893 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  CHSC38088  Sisymbrium altissimum R. E. Preston 1983-6-9 394 Siskiyou In vacant lot; MacDoel. 1292 Comment
  SBBG1134  Sisyrinchium bellum H. and M. Dearing 1939-6-30 3762 Siskiyou Callahan-Trinity Alps Rd Comment
  JEPS25624  Smilacina racemosa Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7258 Siskiyou Poker Flat 1536 Comment
  UC1037372  Smilacina racemosa Douglas Barbe 1955-7-6 136 Siskiyou Taylor Lake Klamath Mountains, Salmon Mountains (along ne shore) 1950 Comment
  UC1409216  Smilacina racemosa Frederick W. Oettinger 1968-8-7 438 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  JEPS80495  Smilacina stellata Gilbert Muth 1966-7-8 365 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  UC164383  Smilacina stellata Geo. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek Comment
  HSC42902  Solanum parishii J. O. Sawyer, Ken Stillman 1976-5-29 2730 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  POM89973  Solanum physalifolium var. nitidibaccatum L. R. Abrams 1922-8-7 9918 Siskiyou 1 mi S of Weed. Comment
  CAS-BOT-BC365562  Solidago elongata Nora Pettibone 1894-8-11 s.n. Siskiyou Upper Soda Springs Comment
  CAS-BOT-BC365574  Solidago elongata Geo. D. Butler 1910-8-27 1858 Siskiyou Oro Fino Comment
  CAS-BOT-BC365576  Solidago elongata Geo. D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  HSC24685  Solidago elongata J. O. Sawyer 1969-8-4 2015 Siskiyou Behind S Sugar Lake 2088 Comment
  UC609352  Solidago multiradiata Eleanor Burks Hart 1938-8-16 947 Siskiyou edge Lower Wright Lake 2072 Comment
  JEPS24618  Solidago velutina subsp. californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6771 Siskiyou in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs; upper Sacramento River Canyon, along S. P. (Shasta Route) ra 731 Comment
  SEINET13695055 Image available Sonchus arvensis T. C. Fuller 1963-8-27 11162 Siskiyou Perennial in scattered patches on roadside, S. side of Dorris-Tulelake Road where the roadbed forms the N. shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, 12 mi. W. of Hatfield Comment
  CAS-BOT-BC374524  Sonchus asper W. B. Cooke; V. G. Cooke 1961-7-17 32626 Siskiyou Along logging road near Howard, Mt. Shasta Comment
  UC618791  Sorbus californica W. B. Cooke 1938-7-22 11341 Siskiyou Sisson Southern Trail Spring [Canadian] Sisson Southern Trail Spring; Mount Shasta 1981 Comment
  CHSC27345  Sorbus scopulina T. B. Devine 1976-9-4 359 Siskiyou Castle Lake. Comment
  HSC29471  Sorbus scopulina Frederick W. Oettinger 1969-8-25 1556 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; Little N Fork stream along new trail from end of logging road to Devils Canyon trail 1220 Comment
  UC813814  Sparganium emersum var. emersum John Thomas Howell 1939-8-9 15208 Siskiyou Sky High Valley; Marble Mts. Comment
  HSC77421  Spergularia rubra L. P. Janeway 1983-9-11 681 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC390610  Spergularia rubra Alice Eastwood 1921-7-24 10736 Siskiyou Castle Lake Comment
  CAS-BOT-BC390713  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Miller Grade, Siskiyou Mts. 1828 Comment
  HSC62276  Spiraea splendens var. splendens Ruby Van Deventer 5 Aug [year missing] Siskiyou Youngs Valley Comment
  CHSC63614  Spiranthes romanzoffiana Vernon H. Oswald; Lowell Ahart 1994-8-10 6461 Siskiyou FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle. 1359 Comment
  HSC2385  Stachys rigida William J. Ferlatte 1966-8-19 439 Siskiyou Kidd Creek Trail. 1707 Comment
  JEPS128457  Stellaria crispa Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -058 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  HSC77094  Stenanthium occidentale K. T. Stillman 1976-8-7 364 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  CAS-BOT-BC375641  Stephanomeria lactucina Alice Eastwood 1917-9-2 6644 Siskiyou Shasta Springs Comment
  HSC19124  Stephanomeria lactucina J. O. Sawyer 1969-8-4 1796 Siskiyou Along C.C.C. road 1341 Comment
  UC165400  Stephanomeria lactucina Geo. D. Butler 1909-7-25 959 Siskiyou Highland Mine Comment
  UCD78020  Stephanomeria lactucina Robert E. Preston 2001-8-26 1768 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 2072 Comment
  UC166153  Stephanomeria paniculata Geo. D. Butler 1908-8-1 324 Siskiyou near Forest House Comment
  CAS-BOT-BC322913  Stephanomeria tenuifolia W. R. Dudley 1899-8-9 s.n. Siskiyou Foot of Black Butte Comment
  HSC6228  Stephanomeria tenuifolia R. C. Wunner 1965-8-27 485 Siskiyou California Lava Beds National Monument; Devil's Homestead where the road passes through lava flow 1280 Comment
  SEINET10603910  Stipa nelsonii Lawrence P. Janeway 1983-8-26 Janeway 606 Siskiyou Preston Peak quad (15'). At Poker Flat, a meadow in a fir forest. Mostly open, gravelly, dry ground on upper side of road on the North side of the meadow. 1524 Comment
  HSC19122  Stipa occidentalis var. californica J. O. Sawyer 1969-8-4 1842 Siskiyou Above Sugar Lake 2134 Comment
  HSC61  Stipa occidentalis var. occidentalis William J. Ferlatte 1966-6-23 136 Siskiyou Along the Yellow Rose Mine Trail. 1677 Comment
  CAS-BOT-BC61129  Streptanthus barbatus Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy. Comment
  JEPS19691  Streptanthus barbatus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5966 Siskiyou at river's source in the region just s Mount Eddy (along very poor mt road to Gumboot Lake); Canyon of the South Fork of the Sacramento River 1371 Comment
  UC857414  Streptanthus barbatus Alice Eastwood 1912-7-23 1329 Siskiyou Cantara Comment
  CAS-BOT-BC87853  Streptanthus tortuosus Ira L. Wiggins 1955-7-27 13523 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  LA51459  Streptanthus tortuosus Reed C. Rollins; 1938-8-21 11555 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  POM266038  Streptanthus tortuosus Lincoln Constance, Reed C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 miles S of Happy Camp. 305 Comment
  UC625501  Streptanthus tortuosus Frank W. Gould 1938-6-27 472 Siskiyou 3 mi n Mt. Shasta (town) (near hwy) 1082 Comment
  CHSC30241  Streptanthus tortuosus var. orbiculatus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-19 3268 A Siskiyou Paint Pot Crater. 1920 Comment
  UC1601630  Streptanthus tortuosus var. orbiculatus Alice Eastwood 1912-9-1 2065 Siskiyou Mount Shasta Comment
  HSC60660  Streptanthus tortuosus var. tortuosus J. P. Smith, Steve Selva 1970-6-15 3928 Siskiyou 5 mi. NW of Forks of Salmon 335 Comment
  UC1561398  Swertia albicaulis Barbara Ertter 1985-5-30 5759 Siskiyou 2.5 mi n Scott Mt. Summit (on Hwy 3, se of Callahan) 1402 Comment
  UC221723  Swertia albicaulis var. nitida H. E. Brown Jul 15 1897-Jul 31 1897 545 Siskiyou s side Mt. Shasta 1524 Comment
  HSC46227  Swertia albicaulis var. nitida Jennifer Whipple 1978-6-5 2338 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC269621  Symphoricarpos albus var. laevigatus Doris K. Kildale 1928-8-18 6445 Siskiyou Near head of North Fork of Salmon River at Finleys Upper Camp 1524 Comment
  HSC27010  Symphoricarpos albus var. laevigatus J. P. Smith, J. O. Sawyer 1972-9-13 5778 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  RSA1889  Symphoricarpos albus var. laevigatus C. B. Wolf 1930-10-22 1010 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  CAS-BOT-BC234782  Symphoricarpos mollis H. A. Thomas; J. H. Thomas 1954-7-22 4447 B Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  HSC18986  Symphoricarpos mollis J. O. Sawyer 1969-8-5 1947 Siskiyou Along Sugar Creek. 1921 Comment
  HSC18990  Symphoricarpos mollis J. O. Sawyer 1969-7-24 1460 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC68385  Symphoricarpos mollis Maralyn A. Renner 1980-6-26 1203 Siskiyou N edge of Flint Valley 1390 Comment
  UC889807  Symphoricarpos mollis A. A. Heller 1915-8-24 12202 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  UC154774  Symphoricarpos mollis subsp. mollis A. A. Heller 1905-6-5 7985 Siskiyou Shasta Springs Comment
  HSC91427  Symphoricarpos rotundifolius var. rotundifolius Jennifer Whipple 1977-7-20 2009 Siskiyou Near Durney Lake. 2073 Comment
  UC223703  Symphyotrichum bracteolatum Elmer I. Applegate 1923-8-21 3918 Siskiyou Willow Creek, (South end of Lower Klamath Lake) Lower Klamath Lake, Willow Creek Comment
  CAS-BOT-BC97665  Symphyotrichum chilense Grant 1902-9-13 5186 Siskiyou Dunsmuir Comment
  CAS-BOT-BC97879  Symphyotrichum eatonii Alice Eastwood 1912-8-28 1954 Siskiyou Cantara Comment
  CAS-BOT-BC98952  Symphyotrichum foliaceum K. T. Stillman 1976-9-10 496 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area. Up across marble on east side of Black Mtn. 2103 Comment
  CAS-BOT-BC98944  Symphyotrichum foliaceum var. parryi Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  HSC26155  Symphyotrichum subspicatum J. P. Smith, J. O. Sawyer 1972-9-14 5804 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  UC157082  Taeniatherum caput-medusae Dr. E. B. Copeland 1903-7-5 3493 Siskiyou Klamathon, Round Mountain Round Mountain; Pacific Coast, Klamathon, Round Mountain Comment
  CAS-BOT-BC221960  Taeniatherum caput-medusae Dr. E. B. Copeland 1903-7-5 3493 Siskiyou Klamathon. North slope of Round Mountain Comment
  CHSC86457  Taraxia tanacetifolia Jenny Marr 1993-7-1 74 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  SEINET3876098 Image available Taxus brevifolia Alv Dan Youngberg 1964-8-17 34 Siskiyou Growing at West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  RSA52435  Taxus brevifolia Dorothy Parker 1945-4-30 s.n. Siskiyou Kidder Creek, Scott Valley. 854 Comment
  SBBG33706  Taxus brevifolia W. M. Plum 1969-9-23 Siskiyou Parks Crk below China Mtn Comment
  CAS-BOT-BC447415  Tellima grandiflora Alice Eastwood 1923-5-18 11847 Siskiyou Shasta Springs Comment
  RSA184721  Thalictrum polycarpum Gilbert Muth 1966-7-17 408 Siskiyou Trail to lookout, Marble Mtns. Comment
  JEPS90356  Thelypodium brachycarpum Dean W. Taylor 1987-8-9 9289 Siskiyou along Highway 161 (Oregon border) 8.3 mi w from Highway 139 (Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1249 Comment
  UC1473427  Thelypodium brachycarpum Gilbert Jerome Muth 1978-8-3 6794 Siskiyou near Kangaroo Lake (close to town of Callahan); China Mt. Quad. 1951 Comment
  CAS-BOT-BC88076  Thelypodium brachycarpum R. C. Barneby 1954-5-15 11502 Siskiyou 5.5 miles northwest of Edgewood. 899 Comment
  UC609354  Thlaspi montanum var. montanum Eleanor Burks Hart 1938-8-17 907 Siskiyou meadow on se side Upper Wright Lake; se side of Upper Wright Lake 2225 Comment
  SEINET3166358  Thysanocarpus curvipes subsp. curvipes P. J. Alexander 2009-4-7 991 Siskiyou East side of the Shasta River, E side of CA Hwy. 263, 4.2 miles NNE of central Yreka, 3.2 miles S of the jct. with CA Hwy. 96. 738 Comment
  HSC101486  Tiarella trifoliata var. unifoliata J. P. Smith, J. O. Sawyer 2011-7-21 13035 Siskiyou Near Dillon Camp 1358 Comment
  RSA605353  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1959-7-25 7602 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UCD33538  Tilia platyphyllos Beecher Crampton 1969-6-19 8471 Siskiyou Siskiyou County, Edgewood, 3 miles N.W. (in direct line) of Weed. Comment
  RSA120207  Tofieldia glutinosa subsp. occidentalis S. S. Tillett 1956-7-11 680 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  SEINET10761610  Tofieldia occidentalis subsp. occidentalis Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 882 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UCD93215  Torreyochloa pallida var. pauciflora A. H. Murphy 1955-5-29 55 U Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  CAS-BOT-BC169252  Toxicodendron diversilobum Alice Eastwood 1921-7-31 11019 Siskiyou Shasta Springs Comment
  CHSC2326  Toxicoscordion venenosum var. venenosum 1936-6-30 Siskiyou Mt. Shasta City. 1097 Comment
  POM33167  Tragopogon pratensis Geo D. Butler 1910-7-1 1619 Siskiyou Yreka. Comment
  RSA625170  Trautvetteria caroliniensis var. occidentalis Louis C. Wheeler 1963-8-28 8289 Siskiyou Siskiyou Mountains: Clear Creek ca. 1 mile downstream from West Fork. 640 Comment
  UCD18942  Triantha occidentalis A. H. Murphy 1955-7-27 55 D Siskiyou Klamath National Forest, Marble Mountains, Cold Springs Meadow. 1676 Comment
  CAS-BOT-BC519565  Triantha occidentalis subsp. occidentalis W. R. Dudley 1907-8-18 s.n. Siskiyou Near Jackson lake Comment
  RSA602844  Tribulus terrestris Louis C. Wheeler 1935-7-13 3657 Siskiyou Ager. 793 Comment
  SEINET3153530  Trichostema lanceolatum G. D. Butler 1910-7-28 1793 Siskiyou Yreka Comment
  JEPS2898 Image available Trichostema simulatum Dr. E. B. Copeland 1903-7-2 3534 Siskiyou Klamathon Comment
  JEPS101834  Trifolium cyathiferum Dean W. Taylor 1999-7-18 17277 Siskiyou headwaters of South Fork Hungry Creek (ca. 6 air miles southwest from Hilt) 1432 Comment
  POM28069  Trifolium cyathiferum Geo. D. Butler 1910-6-3 1473 Siskiyou Quartz Valley. Comment
  CHSC35548  Trifolium dubium James P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  POM229944  Trifolium dubium Louis C. Wheeler 1935-6-27 3617 Siskiyou Greenview, Scott Valley. 884 Comment
  CAS-BOT-BC219046  Trifolium howellii Geo. D. Butler 1908-8-3 385 Siskiyou Shackleford Creek Comment
  HSC77108  Trifolium howellii K. T. Stillman 1976-7-31 355 Siskiyou Marble Mountain Wilderness Area, Ridge N of Jump off, 1/2 mi. S of Paradise Lake Comment
  CAS-BOT-BC219044  Trifolium howellii Lillian Mott 1976-7-18 57 LM76 Siskiyou Meadow at base of Kangaroo Mt. west of Cook and Green Pass 1828 Comment
  HSC19000  Trifolium longipes J. O. Sawyer 1969-7-18 1389 Siskiyou Head of S Russian Creek 1829 Comment
  HSC58923  Trifolium longipes Marvin Butler 1971-7-6 20 Siskiyou Near El Capitan, close to Cave Junction 1 Comment
  HSC69178  Trifolium longipes Maralyn A. Renner 1980-8-6 2337 Siskiyou Cracker Meadow 1555 Comment
  HSC86527  Trifolium longipes D. K. Imper Jun 1987 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  RSA215649  Trifolium longipes subsp. elmeri Gilbert Muth 1969-8-8 1287 Siskiyou Gap Meadow, Boulder Peak Ridge 2287 Comment
  POM28224  Trifolium microcephalum Geo. D. Butler 1641 Siskiyou Goosemest Foothills 1220 Comment
  HSC36434  Trifolium productum J. O. Sawyer 1969-7-24 1478 Siskiyou SW of Sugar Lake 1890 Comment
  UCD78047  Trifolium repens Robert E. Preston 2003-7-31 2177 Siskiyou Rainbow Mountain, at base of N slope, in upper Antelope Creek Meadow 1661 Comment
  UC631385  Trifolium variegatum var. melananthum A. A. Heller 1919-6-25 13269 Siskiyou Compton's prairie north base of Mt, Eddy 1158 Comment
  JEPS66093  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka (Butler's Ranch) Comment
  UC726165  Trifolium wormskioldii A. A. Heller 1916-7-20 12459 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  HSC69573  Trillium ovatum Maralyn A. Renner 1980-8-6 2263 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC133469  Trillium ovatum Clarence R. Quick 1959-6-19 59 -17 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CHSC95075  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-4 8779 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summitt. 1728 Comment
  HSC30711  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 953 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; Along inlet brook to Upper English Lake 1768 Comment
  RSA605355  Trillium ovatum subsp. ovatum Louis C. Wheeler 1959-7-25 7599 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC200091  Trisetum canescens Alice Eastwood 1912-7-17 1099 Siskiyou Mc Cloud [McCloud] Comment
  RSA233685  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38957 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC60943  Trisetum spicatum Geo. B. Grant 1902-9-1 5092 Siskiyou Horse Camp Mount Shasta 2438 Comment
  SEINET10595086  Trisetum spicatum Edwin B. Copel 1903-8-16 Copeland 3895 Siskiyou Mt. Shasta. 2438 Comment
  HSC44922  Triteleia crocea J. P. Smith 1974-5-25 7377 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  RSA378084  Triteleia crocea M. B. Dunkle 1944-7-18 9139 Siskiyou Siskiyou National Forest Comment
  CDA39445  Triteleia crocea D. Janssen & F. D. Horn 1978-5-17 s.n. Siskiyou Old Klamath River Highway east of Horse Creek. 0 Comment
  UC843609  Triteleia ixioides subsp. anilina A. A. Heller 1916-6-20 12413 Siskiyou ne base Mt. Eddy (Metcalf's Ranch); ne base Mt. Eddy, Metcalf's Ranch 1188 Comment
  CAS-BOT-BC524312  Triteleia ixioides subsp. anilina R. F. Hoover 1940-6-6 15083 Siskiyou Along Castle Lake road 1219 Comment
  CAS-BOT-BC526139  Triteleia laxa Volney Rattan 1879-1-1 s.n. Siskiyou Siskiyou County Comment
  HSC69238  Tsuga mertensiana Maralyn A. Renner 1980-9-1 2707 Siskiyou S side of Devil's Punchbowl 1829 Comment
  SD76190  Tsuga mertensiana Helen V. Witham 1969-10-6 556 Siskiyou west face, granite cliffs above Kangaroo Lake 2100 Comment
  UC1190123  Tsuga mertensiana Ira L. Wiggins 1955-7-27 13566 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC718126  Tsuga mertensiana Carl B. Wolf 1934-7-5 5970 Siskiyou 2.8 mi from Dry Lake Lookout (on road to Horse Creek); Siskiyou Mts. Comment
  CAS-BOT-BC74090  Turritis glabra Geo. D. Butler 1910-6-5 1524 Siskiyou Loy Lake. Comment
  CAS-BOT-BC74097  Turritis glabra Wm. Bridge Cooke 1941-7-11 16040 Siskiyou Around MacBride Springs, Mount Shasta. 1524 Comment
  RSA15587  Umbellularia californica C. B. Wolf 1927-8-27 1135 Siskiyou Mouth of Crawford Creek, Klamath River. Comment
  RSA760540  Vaccinium cespitosum R. F. Thorne, Frederick W. Oettinger 1969-8-4 63363 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  HSC27974  Vaccinium ovatum Carl W. Mize 1972-9-24 127 Siskiyou 732 Comment
  CAS-BOT-BC199485  Vaccinium scoparium W. R. Dudley 1901-8-23 s.n. Siskiyou Amphitheatre of Caribou Peak, Salmon Mts. Comment
  POM259584  Vahlodea atropurpurea J. T. Howell 1939-8-3 s.n. Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC67681  Vancouveria hexandra John Palmer 1980-7-24 622 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UCSB24413  Vancouveria hexandra Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  CAS-BOT-BC529103  Veratrum californicum Laura M. Lathrop 1903-7-17 s. n. Siskiyou Sisson Comment
  RSA237882  Veratrum viride Frederick W. Oettinger 1969-9-4 1647 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC984825  Verbascum blattaria A. M. Vollmer and L. Beane 1951-6-2 48 Siskiyou Klamath River Highway betw U.S. 99 and Gottville; Klamath River Highway Comment
  UC882795  Verbena lasiostachys var. lasiostachys Louis C. Wheeler 1934-10-11 3315 Siskiyou Oak Knoll Ranger Station; Siskiyou Mts, Klamath River 670 Comment
  POM128338  Veronica alpina var. alterniflora M. S. Baker 1898-8-1 489 Siskiyou Medicine Lake. Comment
  HSC77924  Veronica copelandii Wayne Rolle Aug 1983 Siskiyou N aspect, where the snow stays late, on peridotite 1890 Comment
  UC444945  Veronica peregrina subsp. xalapensis F. H. Hooper Apr. 1897 14 Siskiyou Little Shasta Comment
  JEPS16817  Veronica serpyllifolia subsp. humifusa Geo. D. Butler 1908-8-7 47 Siskiyou at head of Woolly Creek Woolly Creek 1676 Comment
  CDA6413  Veronica triphyllos T. C. Fuller 1961-5-16 6947 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  SFV3461  Veronica triphyllos I. Coonrod 1963-4-1 s. n. Siskiyou Montague. 915 Comment
  HSC77092  Vicia americana var. americana K. T. Stillman 1976-7-30 335 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  UC375418  Vicia americana var. americana Geo. D. Butler 1908-8-10 399 Siskiyou Shackleford Creek; below Bottoms' Camp Comment
  UC618757  Vicia americana var. americana unknown 1938-6-24 11083 Siskiyou MacBride Springs; Mount Shasta Comment
  UC722947  Vicia americana var. americana C. L. Hitchcock and J. S. Martin 1939-7-6 5208 Siskiyou Takilma-Happy Camp road 1676 Comment
  HSC71649  Vicia americana var. americana J. P. Smith, Steve Selva 1970-6-16 4009 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  RSA60656 <