Search Results — 2000 specimen records retrieved (1354 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78132  Abies X shastensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11770 Siskiyou About 6 miles from Etna on forks of Salmon Road 1706 Comment
  HSC32568  Abies X shastensis Steven Lagos 1974-5-26 91 Siskiyou Duck Lake Creek drainage 1524 Comment
  CAS-BOT-BC73508  Abies concolor Doris K. Kildale 1929-4-27 7481 Siskiyou Cecilville Comment
  LA6362  Abies concolor Wm. Bridge Cooke; 1939-7-29 13790 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  UC618789  Abies concolor W. B. Cooke 1938-9-2 11599 Siskiyou along Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1524 Comment
  RSA498100  Abies grandis L. C. Wheeler 1934-8-20 3195 Siskiyou West Fork of Beaver Creek; Siskiyou Mountains. 1067 Comment
  CHSC97952  Abies lasiocarpa J. O. Sawyer 1968-7-10 499 Siskiyou On trail to South Sugar Lake. 1981 Comment
  HSC4982  Abies lasiocarpa J. O. Sawyer 1968-7-9 430 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC69431  Abies magnifica Maralyn A. Renner 1980-7-16 1783 Siskiyou Hancock Lake inlet 1951 Comment
  UC1041046  Abies magnifica var. shastensis J. W. Congdon 1900-8-13 Siskiyou Mt. Shasta Comment
  RSA237206  Abies procera Frederick W. Oettinger 1968-9-10 810 Siskiyou Slope N of Franz Peak NW of English Peak. Salmon Mtns. High Lake basins in the vicinity of English Peak Marble Mountain Wilderness area; 2104 Comment
  CAS-BOT-BC330617  Acer circinatum A. A. Heller 1905-6-1 7923 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  RSA14365  Acer circinatum Elmer I. Applegate 1895-5-30 70 Siskiyou East lake of Mt. Shasta, near Sissen. Comment
  RSA237827  Acer glabrum var. torreyi Frederick W. Oettinger 1969-9-5 1675 Siskiyou At Willow Springs, along the trail between Abbotts Upper Cabin and English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA240066  Acer macrophyllum Frederick W. Oettinger 1969-8-25 1553 Siskiyou Little North Fork stream crossing along new trail that goes from the end of the logging road to the Devils Canyon Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  SEINET2146077  Achillea lanulosa W. Bridge Cooke 1941-7-18 16068 Siskiyou Along the Wagon Camp-Bear Springs road. 1680 Comment
  CAS-BOT-BC28857  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou In one small area on the west bank of Mud Creek Canyon 2895 Comment
  CAS-BOT-BC30440  Achillea millefolium A. A. Heller 1915-8-26 12241 Siskiyou Mt. Eddy 1828 Comment
  CHSC3385  Achillea millefolium Alice L. Stoll 1966-5-14 194 Siskiyou Along roadside 2 miles S.E. of Callahan on the Old Oregon Stage Road. Comment
  UC630400  Achillea millefolium Annetta Carter 1939-8-21 1476 Siskiyou summit of peak above se end (12 mi sw of Etna) Taylor Lake; Salmon Mountains 2286 Comment
  CAS-BOT-BC18867  Achillea millefolium William Bridge Cooke 1939-7-21 13705 Siskiyou Mount Shasta, above and south of the Municipal Spring along an old road 1280 Comment
  CAS-BOT-BC30436  Achillea millefolium Carl B. Wolf 1927-8-26 1093 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  CAS-BOT-BC30441  Achillea millefolium Doris K. Kildale 1929-7-20 8732 Siskiyou Raspberry Lake, near east slope Preston Peak Comment
  RSA211508  Achillea millefolium William J. Ferlatte 1966-7-7 196 Siskiyou Caribou Basin. 1982 Comment
  UC1409443  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou above, on bedrock ridges, (high lake basins in vicinity of English Pk) English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  CAS-BOT-BC105075  Achnatherum nelsonii subsp. dorei R. C. Wenk 2008-7-24 917 Siskiyou SW side of Mount Shasta, growing by side of road, Everitt Memorial Highway 1676 Comment
  CAS-BOT-BC210866  Achnatherum occidentale subsp. californicum John Thomas Howell 1939-8-6 15095 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC210868  Achnatherum occidentale subsp. californicum Alice Eastwood 1921-7-25 10851 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC210872  Achnatherum occidentale subsp. californicum Wm. Bridge Cooke 1938-7-15 11276 Siskiyou Mount Shasta. Wagon camp-Horse Camp Trail Comment
  RSA238979  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-8-8 454 -a Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC822000  Achnatherum occidentale subsp. occidentale A. A. Heller 1916-6-22 12427 Siskiyou near Black Butte (n of Sisson) 1097 Comment
  CHSC91225  Achnatherum thurberianum Lowell Ahart; John Dittes 2005-6-9 12018 Siskiyou Small low hill, pasture field, on the east side of a poor rock fence, about 350 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
  JEPS94631  Achnatherum thurberianum Vernon H. Oswald 1998-6-11 9192 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 1066 Comment
  POM30811  Achyrachaena mollis Geo. D. Butler 1910-5-8 1312 Siskiyou Near Yreka. Comment
  SBBG25949  Aconitum columbianum D. Myrick 1966-8-10 1521 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  CDA24173  Aconitum columbianum F. D. Horn 1979-8-15 Siskiyou Carmen Lake area near Callahan. 0 Comment
  CAS-BOT-BC391506  Aconitum columbianum subsp. columbianum L. E. Smith 1913-7-27 498 Siskiyou McCloud Comment
  CAS-BOT-BC391509  Aconitum columbianum subsp. columbianum John Thomas Howell 1939-8-5 15074 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC391518  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1989 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391534  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  CAS-BOT-BC391535  Aconitum columbianum subsp. columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt. Eddy 1828 Comment
  HSC22295  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-8-1 1604 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC34262  Aconitum columbianum subsp. viviparum J. P. Smith, J. O. Sawyer 1973-8-14 7311 Siskiyou Around Cliff Lake 1860 Comment
  RSA211130  Aconitum columbianum var. columbianum William J. Ferlatte 1966-8-3 291 Siskiyou Josephine Lake basin. 1677 Comment
  SEINET10928998  Actaea rubra H. E. Brown 1897-8-1 Brown 583 Siskiyou 1524 Comment
  HSC27790  Adiantum aleuticum J. P. Smith, J. O. Sawyer 1972-9-13 5786 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake 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
  UCD51466  Aegilops cylindrica T. C. Fuller 1962-6-12 8970 Siskiyou Little Shasta Rd., 1 mile east of Montague. Comment
  CDA37897  Aegilops cylindrica J. L. Johnson 1980-7-1 s.n. Siskiyou Montague. 0 Comment
  HSC2364  Agastache urticifolia William J. Ferlatte 1966-8-19 440 Siskiyou Kidd Creek Trail. 1707 Comment
  CAS-BOT-BC29456  Ageratina occidentalis Doris K. Kildale 1928-8-18 6414 Siskiyou North Fork Salmon River at Trinity Camp Comment
  CAS-BOT-BC15485  Agoseris X dasycarpa Alice Eastwood 1921-7-28 10921 Siskiyou Medicine Lake Comment
  HSC76936  Agoseris aurantiaca K. T. Stillman 1976-8-7 210 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  HSC92582  Agoseris aurantiaca Jennifer Whipple 1977-8-6 2212 Siskiyou Mt. Eddy; SW of Dobkins Lake along drainage into the lake 2195 Comment
  RSA238738  Agoseris aurantiaca Frederick W. Oettinger 1969-7-28 1088 Siskiyou Moist grassy bank NNE of Tom's Lower Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA238746  Agoseris aurantiaca Frederick W. Oettinger 1967-7-26 193 Siskiyou Occasional on Crapo Peak ridge between the Saddle-trail and summit; hot dry site. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  CAS-BOT-BC21371  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-8 15188 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC22777  Agoseris heterophylla George Dexter Butler 1910-4-12 1213 Siskiyou Oro Fino Comment
  CAS-BOT-BC13186  Agoseris monticola John Thomas Howell 1939-8-8 15187 Siskiyou Marble Mountains, Black Mountain Comment
  UC1408799  Agoseris monticola Robert F. Thorne and Fred Oettinger 1969-8-10 38992 Siskiyou s slope, at base of boulders on slopes above ski-lodge Mt. Shasta; Mt. Shasta National Forest 2377 Comment
  UC891276  Agoseris retrorsa Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  SEINET10842223  Agrostis Edwin B. Copel 1903-8-17 Copeland 3903 Siskiyou Foot of Mt. Eddy. 1219 Comment
  HSC48281  Agrostis exarata J. O. Sawyer, K. T. Stillman 1978-7-6 3351 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  UCD37086  Agrostis exarata Beecher Crampton 1956-8-21 3829 Siskiyou Siskiyou County, 0.5 mile northeast of Gumboot Lake. 1767 Comment
  CAS-BOT-BC138860  Agrostis microphylla A. W. Lewis 1910-5-28 8 Siskiyou Gasquet. 198 Comment
  HSC38393  Agrostis scabra J. D. Ackerman, A. M. Montalvo 1975-7-19 591 Siskiyou 3 mi E of McCloud, off Hwy 89, on USFS Rd 39N13 1067 Comment
  HSC39912  Agrostis stolonifera J. P. Smith, Steve Selva 1970-7-16 4394 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CHSC61556  Agrostis thurberiana L. P. Janeway 1983-8-16 557 Siskiyou Siskiyou Mountains; at Poker Flat. 1524 Comment
  CAS-BOT-BC459427  Allium acuminatum Geo. D. Butler 1909-5-26 788 Siskiyou Herzog Hill Comment
  POM110045  Allium acuminatum Geo D. Butler 1909-5-26 788 Siskiyou Hill near Yreka. Comment
  RSA166656  Allium acuminatum A. I. Richardson 1961-6-8 14 Siskiyou Near Cedar Lake, N of Mt. Shasta. 854 Comment
  SEINET182277  Allium acuminatum L. C. Wheeler 1935-1 Siskiyou 0 Comment
  CAS-BOT-BC462373  Allium amplectens H. C. Cantelow 1940-6-2 3909 Siskiyou NE of Tenant Comment
  UC375194  Allium bolanderi Geo. D. Butler 1909-3-21 663 Siskiyou dry hills near Oro Fino Comment
  HSC546  Allium campanulatum William J. Ferlatte 1967-7-26 766 Siskiyou NW side of Caribou Mtn. 1829 Comment
  HSC22090  Allium campanulatum J. O. Sawyer 1969-7-24 1503 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  UC1090392  Allium falcifolium Milo S. Baker 1957-6-16 13123 Siskiyou Scott Mt. 1645 Comment
  CAS-BOT-BC469241  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  HSC82586  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1979-5-26 4715 Siskiyou Along SR 3 N of Scott Mtn. Summit at junction with USFS Rd. 40N03 1524 Comment
  HSC67715  Allium validum John Palmer 1980-7-24 615 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC478033  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy in open swampy places in the forest 1828 Comment
  RSA367151  Allium validum Laura Witherspoon 1977-7-30 s.n. Siskiyou Flint Valley. 1341 Comment
  SEINET3562419 Image available Allotropa virgata James Montgomery 1969-7-24 80918 b Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  CAS-BOT-BC169641  Alnus rhombifolia C. Hart Merriam 1907-9-26 s.n. Siskiyou Klamath Canyon, Shovel Creek Comment
  UC1024788  Alopecurus aequalis Leo Whitney 1934-6-29 2234 Siskiyou Antelope Creek near Tennant; Antelope Creek 1463 Comment
  CAS-BOT-BC138103  Alopecurus aequalis var. aequalis Geo. D. Butler 1910-8-13 1837 1/2 Siskiyou Oro Fino Creek. Comment
  CAS-BOT-BC18597  Alyssum alyssoides A. A. Beetle; G. L. Stebbins, Jr. 1942-5-31 3400 Siskiyou 5 miles west of Gazelle. Canyon north of Willow Creek. Comment
  CDA376  Alyssum alyssoides G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-28 2588 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  UCD114088  Alyssum alyssoides Jean Langenheim 1957-5-19 4341 Siskiyou Along road between Gazelle and Callahan. Comment
  CAS-BOT-BC136717  Amelanchier alnifolia var. pumila Donald Myrick 1961-6-20 279 Siskiyou On road to Bear Springs east of Mt. Shasta City Comment
  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
  UC1222323  Amelanchier alnifolia var. semiintegrifolia Joseph P. Tracy 1951-6-16 19503 Siskiyou near State Line (at crossing of Takilma-Happy Camp Road, summit of the Siskiyous); Siskiyous Comment
  UC1505822  Amelanchier alnifolia var. semiintegrifolia K. M. Wiegand 1941-7-26 4948 Siskiyou canyon of Mud Creek canyon of Mud Creek, Mt. Shasta; So. Cascade Mts., Mt. Shasta, Sacramento River Basin 1524 Comment
  HSC18540  Amelanchier pallida D. M. Thomson 1965-8-7 170 Siskiyou Lava Beds NM, Cave Loop Rd. by information center Comment
  HSC4956  Amelanchier pallida J. O. Sawyer 1968-9-9 657 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA237653  Amelanchier pallida Frederick W. Oettinger 1969-7-18 1057 Siskiyou SW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA50234  Amelanchier pallida E. K. Balls 1949-7-9 13943 Siskiyou 10.3 miles from Etna on rd. to Sawyer's Bar. Summit of pass over Salmon Mts. 1479 Comment
  CAS-BOT-BC136881  Amelanchier utahensis Ellsworth Bethel 1923-6-18 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC136911  Amelanchier utahensis Philip A. Munz 1949-5-18 13308 Siskiyou 14 miles southwest of Gazelle on Callahan road 1463 Comment
  CDA40467  Amsinckia menziesii G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2582 Siskiyou Around abandoned railroad station building and tracks, Grenada. Comment
  HSC61911  Anaphalis margaritacea Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  POM57101  Anaphalis margaritacea Copeland, Alice Eastwood 1903-8-13 3816 Siskiyou Sisson. [old name for Mount Shasta] Comment
  CAS-BOT-BC391761  Anemone W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  JEPS25621  Anemone deltoidea Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7254 Siskiyou Poker Flat 1536 Comment
  SBBG30505  Anemone deltoidea D. Myrick 1968-6-27 2034 Siskiyou Big Flat Public Camp, head of Coffee Crk 1524 Comment
  SJSU6489  Anemone deltoidea R. W. Trivelpiece 1972-6-14 105 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 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
  HSC96832  Anemone deltoidea S. Lyon, J. McIntire 2006-6-25 25 Siskiyou Burns Ranch; On F.S. Rd. 39N41, 0.2 miles southwest of intersection with Rd. 39N27 1341 Comment
  HSC92641  Anemone drummondii Jennifer Whipple 1976-9-3 1770 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2470 Comment
  UCR37569  Anemone drummondii L. Linstedt, C. Houseman, M. A. Strull 1984-5-27 62 Siskiyou 0.7 miles from Hwy 3 on road 40N OB 1677 Comment
  CAS-BOT-BC391967  Anemone occidentalis L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  POM100598  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Carufehell Lake. 1677 Comment
  UC1167722  Angelica arguta Peter H. Raven 1956-9-4 10376 Siskiyou s of Mount Eddy 2286 Comment
  HSC71279  Angelica arguta J. M. DiTomaso 1980-7-23 1784 Siskiyou End of road to Lily Pad Lake below Kangaroo Peak, 25 mi. N of Seiad 1524 Comment
  SEINET13943378 Image available Angelica arguta W. J. Ferlatte 1966-1 244 Siskiyou Trinity Alps of northern California; Big Flat. wooded area near public camp, alt. 5000 ft T37N R9W SEC18. 1524 Comment
  HSC38896  Angelica tomentosa J. P. Smith, Steve Selva 1970-7-15 4369 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  CAS-BOT-BC59286  Antennaria argentea Geo. D. Butler 1909-5-31 756 Siskiyou Humbug Creek Comment
  UC584290  Antennaria argentea G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2452 Siskiyou ridge on road from Callahan to Carrville Scott Mt. 1630 Comment
  POM34161  Antennaria dimorpha Geo. D. Butler 1910-3-24 1140 Siskiyou Shasta Rim Hills Comment
  UC336311  Antennaria geyeri unknown 1889-6-27 Siskiyou Edgwood Comment
  HSC68513  Antennaria howellii Maralyn A. Renner 1980-6-26 1079 Siskiyou N edge of Flint Valley 1390 Comment
  HSC45211  Antennaria media J. O. Sawyer, E. Cope 1977-6-20 2964 Siskiyou Behind Devil's Punchbowl 1829 Comment
  CAS-BOT-BC79911  Antennaria microphylla Geo. D. Butler 1909-7-15 954 Siskiyou Highland Mine 1828 Comment
  JEPS84314  Antennaria rosea L. R. Heckard with J. Hickman et al. 1986-7-17 6533 Siskiyou s end,(road end area & camp overlooking s end of Alex Hole- se of Condrey Mt.) Alex Hole; Condrey Mt., Alex Hole 1980 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
  HSC2255  Antennaria rosea subsp. rosea Geo. D. Butler 1910-6-5 1519 Siskiyou Log Lake Comment
  JEPS25848  Antirrhinum vexillocalyculatum subsp. breweri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7474 Siskiyou 3 mi ne Calif. Hwy 96, Swillup Creek crossing (Calif Hwy 96, opposite King Creek in Klamath River Canyon); Klamath River Canyon 334 Comment
  JEPS107483  Apera interrupta Lowell Ahart, John Dittes 2005-6-9 12053 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS19478  Apocynum androsaemifolium Willis L. Jepson Jul 24 1894-Aug 10 1894 14625 Siskiyou Sisson region of the Upper Sacramento, Sisson Comment
  UC1096780  Apocynum androsaemifolium Barbe 1957-7-13 381 Siskiyou w. slope along path to spring w. of Big Flat Public Camp; Klamath Nat'l Forest 1524 Comment
  HSC307  Apocynum androsaemifolium William J. Ferlatte 1966-8-16 374 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  UC595133  Apocynum androsaemifolium David D. Keck 1938-8-8 4875 Siskiyou between Scott Mt. and Craggy Peak (at Trinity Co. line); Scott Mt. Divide 1675 Comment
  SD76154  Apocynum cannabinum Helen V. Witham 1969-10-7 581 Siskiyou At bridge to Indian Scotty Campground 10 miles west of Fort Jones 700 Comment
  CAS-BOT-BC397944  Aquilegia formosa Alice Eastwood 1921-7-24 10792 Siskiyou Castle Lake Comment
  RSA105414  Aquilegia formosa G. D. Barbe 1955-6-29 34 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  UCD95553  Aquilegia formosa J. P. Smith; Steve Selva 1970-6-15 3975 Siskiyou 1 mile west junction Calif. 3 and Road 8 leading to Sugar Creek. 1158 Comment
  RSA0126149  Arabis divaricarpa Frederick W. Oettinger 1969-8-18 1421 Siskiyou West side of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  HSC30480  Arabis glabra Frederick W. Oettinger, R. F. Thorne 1969-8-9 1309 Siskiyou Abbott's Upper Cabin, Salmon Mtns. 1524 Comment
  RSA0125767  Arabis glabra Frederick W. Oettinger, R. F. Thorne 1969-8-9 1309 Siskiyou Abbott s Upper Cabin. Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  LA210045  Arabis glabra var. glabra W. B. C. after Rollins; 1939-7-21 13710 Siskiyou Bear Springs, Mount Shasta 1523 Comment
  SFV1406  Arabis modesta A. M. Vollmer, L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  HSC40063  Arabis oregana J. P. Smith 1973-5-5 6426 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1483491  Arabis oregana Maralyn A. Renner 1980-6-22 897 Siskiyou slopes n Little Shasta River; Klamath National Forest, Copco Quad. 1371 Comment
  HSC69274  Arabis platysperma var. howellii Maralyn A. Renner 1980-9-1 2715 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC39296  Arabis subpinnatifida J. O. Sawyer 1970-4-3 2096 Siskiyou Along Sugar Creek 915 Comment
  HSC39238  Arabis subpinnatifida J. P. Smith 1976-5-21 8757 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  SJSU6267  Aralia californica R. W. Trivelpiece 1971-8-18 72 Siskiyou c. 3.5 mi N of Cecilville on S Fork Salmon River, Salmon River Mts. 1127 Comment
  UC1174942  Aralia californica P. C. Everett and E. K. Balls 1959-10-24 23942 Siskiyou 6 mi. w. Red Bank F. S. Camp (on rd. to Somes Bar from Sawyers Bar) 609 Comment
  RSA639070  Arbutus menziesii L. C. Wheeler 1958-8-18 7394 Siskiyou West Fork Seiad Creek. Comment
  CAS-BOT-BC407728  Arceuthobium abietinum Clarence R. Quick 1960-6-29 60 -21 Siskiyou Trestle Road to Hilt, N of Oak Knoll Ranger Station Comment
  SEINET2471231  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2008-9-16 2008 -34 Siskiyou 18.4 km W. of Indian Creek road on forest road 17N11 1310 Comment
  HSC96171  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km N of Hwy. 89 on FS Rd. 88 (road to Mt. Shasta Ski Park), Shasta-Trinity National Forest Comment
  RSA121383  Arceuthobium campylopodum G. D. Barbe 1955-7-29 314 Siskiyou 0.75 mi E of Scott Mtn Road on road to Big Carmen Lake. 1707 Comment
  SEINET10323138  Arceuthobium douglasii L. C. Wheeler 1934-6-25 2783 Siskiyou Siskiyou Mountains, West Fork of Cottonwood Creek 1372 Comment
  HSC69365  Arctostaphylos nevadensis J. O. Sawyer, J. Cole 1980-7-19 3670 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  UCR19852  Arctostaphylos nevadensis John C. Roos 1948-9-1 3951 Siskiyou High ridge, summit of pass, in the mountains SW of Etna Comment
  SEINET11991025  Arctostaphylos nevadensis S. Edwards, Roderick, W. 1983-1 102 Siskiyou on Cook & Green Pass E of pass 1524 Comment
  CAS-BOT-BC46426  Arctostaphylos patula W. R. Dudley 1899-8-21 s.n. Siskiyou Willow Creek Rd. - Gazelle to Callahan's. Comment
  CAS-BOT-BC46454  Arctostaphylos patula C. Hart Merriam 1919-9-23 s.n. Siskiyou Weed. Comment
  CAS-BOT-BC46463  Arctostaphylos patula Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou N. slope of Scott Mts. Comment
  CAS-BOT-BC46485  Arctostaphylos patula Harley Pierce Chandler 1901-6-1 1600 Siskiyou Near Marble Mt. 2286 Comment
  CAS-BOT-BC46514  Arctostaphylos patula A. A. Heller 1921-7-23 13586 Siskiyou Very common near the ice cave near the Pilgrim Creek forestry nursery. Comment
  CAS-BOT-BC46525  Arctostaphylos patula L. B. Kildale 1930-6-1 9861 Siskiyou Salmon River 5 mi. n. of Forks of Salmon. Comment
  JEPS2745 Image available Arctostaphylos patula Harriet P. Kelley 1914-3-22 Siskiyou Dunsmuir Mt. Shasta Region; Dunsmuir, Mt. Shasta region Comment
  JEPS38839  Arctostaphylos patula J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  CAS-BOT-BC47015  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-4-27 7482 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  SBBG19308  Arctostaphylos viscida subsp. viscida M. A. Piehl 1956-8-14 Siskiyou Indian Crk near jade mine, vicinity of Happy Camp Comment
  HSC46238  Arnica cernua J. P. Smith 1973-5-5 6372 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC1037313  Arnica chamissonis Leo Whitney 1934-6-23 1836 Siskiyou near Tennant; Antelope Creek 1463 Comment
  HSC29104  Arnica cordifolia Frederick W. Oettinger 1968-9-1 647 Siskiyou Marble Mtn. Wilderness Area, SSW of Abbotts Lake 1799 Comment
  UCD77359  Arnica cordifolia Robert E. Preston 2001-6-23 1616 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  HSC46236  Arnica cordifolia Jennifer Whipple 1976-7-1 1276 Siskiyou Mt. Eddy 2317 Comment
  CAS-BOT-BC82549  Arnica discoidea Alice Eastwood 1921-7-24 10719 Siskiyou Castle Lake Comment
  UC166589  Arnica discoidea Geo. D. Butler 1910-6-4 1492 Siskiyou Shackleford Creek Comment
  RSA237420  Arnica diversifolia Frederick W. Oettinger 1969-8-19 1441 Siskiyou 1/2 mile NNE of English Peak and within English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC22160  Arnica latifolia J. O. Sawyer 1969-6-12 930 Siskiyou Along trail to Duck Lake 1799 Comment
  SEINET3098740 Image available Arnica latifolia C. L. Hitchcock, J. S. Martin 1939-7-7 5233 Siskiyou On road to Bolan Lake, 5 miles from cut-off at junction with Takilma-Happy Camp road. 1770 Comment
  HSC26911  Arnica mollis J. P. Smith, J. O. Sawyer 1971-9-17 4778 Siskiyou Little Duck Lake Comment
  JEPS128462  Arnica mollis Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -063 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  UC165319  Arnica mollis Geo. D. Butler 1908-8-4 336 Siskiyou head of Shackleford Creek Comment
  UC1408754  Arnica viscosa Frederick W. Oettinger 1968-9-2 668 Siskiyou Upper English Lake Marble Mountains Wilderness Area, Salmon Mountains, English 1859 Comment
  CDA6799  Artemisia biennis R. Pederson, G. Pederson 1979-8-15 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  RSA291579  Artemisia biennis R. Pederson, G. Pederson 1979-9-26 113 Siskiyou Lower Klamath National Wildlife Refuge. 1238 Comment
  CAS-BOT-BC90482  Artemisia douglasiana A. A. Heller 1914-8-25 11710 Siskiyou Along the railroad embankment near Deetz Station opposite Black Butte 1158 Comment
  CAS-BOT-BC93762  Artemisia furcata K. T. Stillman 1976-7-9 220 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area 2133 Comment
  UC630406  Artemisia norvegica subsp. saxatilis Annetta Quarter 1939-8-21 1470 Siskiyou steep slope above se end Taylor Lake ( 12 mi sw of Etna); Salmon Mountains 2194 Comment
  UC1190087  Artemisia tridentata subsp. tridentata George H. Ward and Ann Ward 1949-7-14 828 Siskiyou 15 mi ne Weed Comment
  HSC18555  Aruncus dioicus var. acuminatus C. B. Wolf 1927-8-27 1139 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  HSC74910  Aruncus dioicus var. acuminatus J. P. Smith 1978-5-28 9956 Siskiyou Klamath National Forest, 7.6 mi. SE of Somes Bar on the road along the Salmon River Comment
  CAS-BOT-BC447713  Aruncus dioicus var. vulgaris Dorothy Parker 1947-5-31 188 Siskiyou Kidder Creek, Scott Valley 853 Comment
  CAS-BOT-BC400585  Asarum caudatum Alice Eastwood 1912-7-16 1140 Siskiyou McCloud Comment
  JEPS24024  Asarum caudatum R. Bacigalupi with Drs. Reino & Aloha Alava 1958-9-3 6885 A Siskiyou 2.5 miles north-east of Poker Flat; Siskiyou Mts. 1463 Comment
  CAS-BOT-BC400598  Asarum caudatum Wm. Bridge Cooke 1942-6-7 16008 Siskiyou Along Wagon Creek, near Mt. Shasta City Comment
  CAS-BOT-BC400704  Asarum hartwegii John Thomas Howell 1937-7-26 13542 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC400705  Asarum hartwegii W. R. Dudley 1893-6-21 s.n. Siskiyou Near Sissons Comment
  UC1483543  Asclepias cordifolia Maralyn A. Renner 1980-6-8 811 Siskiyou slopes e State Highway 3; Klamath National Forest, Yreka Quad. 1341 Comment
  HSC32006  Asclepias cordifolia J. D. Ackerman, A. M. Montalvo 1974-7-2 357 Siskiyou Along road to Shasta Retreat, 2 mi. S of Snowman Hill and Hwy. 89 1189 Comment
  UC1299579  Asclepias cordifolia Freed W. Hoffman 1948-7-8 2621 Siskiyou 7.8 mi s Scott Bar; Scott River Comment
  JEPS94694  Asclepias fascicularis Vernon H. Oswald and Lowell Ahart 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi w of Mosquito Lake and Whitehorse Flat Reservoir Mosquito Lake; Julia Glover Flat on USFS 3 1112 Comment
  POM301689  Asclepias fascicularis Marion Ownbey, Fred G. Meyer 1940-7-4 2170 Siskiyou Border of Meadow along Ditch Creek, near Hornbrook. Comment
  JEPS93924  Asclepias speciosa Vernon H. Oswald and Lowell Ahart 1998-8-3 9418 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1554 Comment
  SBBG25826  Asclepias speciosa D. Myrick 1966-8-9 1504 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC1282034  Aspidotis densa Louise Kellogg Aug 5 1953-Aug 7 1953 103 Siskiyou 1 mi n Cory Peak (11 mi e of Callahan on rd to Gazelle, then s 5.8 mi on logging rd, Cabin Meadow); Scott Mts, Klamath Nat'l Forest 1844 Comment
  CAS-BOT-BC69554  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Little Soda Cr., Klamath Forest. 1432 Comment
  POM211816  Aster eatonii L. C. Wheeler 1934-9-19 3284 Siskiyou Walker, Klamath River 518 Comment
  CAS-BOT-BC178801  Astragalus californicus John Thomas Howell; Alice Eastwood 1934-4-20 1743 Siskiyou Near Yreka on Ft. Jones Road Comment
  CAS-BOT-BC178811  Astragalus californicus R. C. Barneby 1954-5-15 11499 Siskiyou N.E. of Weed 1386 Comment
  CAS-BOT-BC177862  Astragalus curvicarpus var. curvicarpus Elmer I. Applegate 1935-6-5 9330 Siskiyou Lyons road, north boundary area, Lava Beds National Monument Comment
  CAS-BOT-BC182968  Astragalus filipes Elmer I. Applegate 1935-6-5 9331 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  RSA111078  Astragalus filipes R. C. Barneby 1954-5-15 11503 Siskiyou 2.5 miles n. of Gazelle. 838 Comment
  CAS-BOT-BC192917  Astragalus purshii var. lectulus Gilbert Muth 1966-7-22 438 Siskiyou Marble Rim, Marble Mts. 2194 Comment
  RSA47627  Astragalus purshii var. tinctus Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], East Fork of Scott River Comment
  CHSC81502  Astragalus whitneyi var. confusus Ann Willyard 2000-6-21 744 Siskiyou On private ranch ca. 3 air mi n Lake Shastina, ca. 3 air mi e Interstate 5; ca. 1 air mi w Hole-in-the-Ground Springs. UTM: 10 547700 E 4602900 N. 792 Comment
  CAS-BOT-BC198703  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1953-7-20 547 Siskiyou Cabin Meadow Creek near Cory Peak - Siskiyou Mountains 1981 Comment
  CAS-BOT-BC198713  Astragalus whitneyi var. siskiyouensis Douglas Barbe 1955-7-26 272 Siskiyou Northwest slope of Scott Mtn. - Klamath Mountains 1828 Comment
  JEPS84260  Astragalus whitneyi var. siskiyouensis L. R. Heckard with J. Hickman et al. 1986-7-17 6456 Siskiyou ca 5 mi n of the town Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake); e of Kangaroo Peak, s of Lily Pad Lake, n of Seiad Vally 1900 Comment
  RSA692541  Athyrium filix-femina subsp. cyclosorum M. B. Dunkle 1944-7-7 9078 Siskiyou Deer Creek 1768 Comment
  CAS-BOT-BC66189  Athyrium filix-femina var. cyclosorum A. A. Heller 1915-8-26 12234 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC66193  Athyrium filix-femina var. cyclosorum H. A. Thomas; J. H. Thomas 1954-7-22 4449 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, between Rush and Big Bend Creeks, 975 Comment
  HSC58846  Athyrium filix-femina var. cyclosorum Marvin Butler 1971-7-29 229 Siskiyou Near Copper Mtn. Mines, close to the town of Cave Juntion 1403 Comment
  CDA23343  Atriplex triangularis R. Pederson, G. Pederson 1980-11-9 Siskiyou Lower Klamath National Wildlife Refuge. 0 Comment
  RSA768925  Azolla microphylla Lowell A. Ahart, John Dittes 2010-7-30 16955 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  UC456083  Balsamorhiza deltoidea I. J. Condit 1911-7-10 Siskiyou Shasta Retreat, old logging road Shasta Retreat 914 Comment
  CAS-BOT-BC106542  Balsamorhiza deltoidea Wm. Bridge Cooke; V. G. Cooke 1970-7-22 42693 Siskiyou Roadside turnoff, 1 mi. w. of Bolam road, along SR-97, Mt. Shasta 1158 Comment
  UC1732045  Balsamorhiza lanata Dean W. Taylor 1997-6-12 16067 Siskiyou ca. 4 mi. w. Gazelle (hillslopes at base of Scott Mts. at mouth of Willow Creek, Shasta Valley, Scott Mts.); Klamath Region (eKR), Scott Mts., China Mt. Quad., Shasta Va 944 Comment
  UC912516  Balsamorhiza lanata Herbert L. Mason 1929-5-18 5330 Siskiyou Yreka Comment
  HSC22466  Barbarea orthoceras J. O. Sawyer 1969-7-18 1371 Siskiyou Above S Russian Creek. 2012 Comment
  HSC4358  Bassia hyssopifolia L. C. Wheeler 1934-10-21 3332 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  HSC69522  Berberis aquifolium var. repens Maralyn A. Renner 1980-6-26 1286 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UCD94997  Berberis vulgaris Dorothy Parker 1952-5-24 4 Siskiyou On Quartz Valley (Mill Creek). 883 Comment
  CDA38213  Berula erecta T. C. Fuller 1959-10-14 3124 Siskiyou York Bros. Ranch, ca. 12 miles northeast of Montague. 0 Comment
  JEPS2943 Image available Betula occidentalis W. L. Jepson 1902-7-19 2083 Siskiyou Forks of Salmon to Cecilville Forks of Salmon Comment
  RSA715951  Betula occidentalis L. Ahart, John Dittes 2005-6-10 12072 Siskiyou About 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  RSA96620  Betula occidentalis P. C. Everett, E. K. Balls 1954-10-13 20281 Siskiyou Seiad Creek, road to Kangaroo Mt, 6.5 miles NE from Hwy 96. 701 Comment
  JEPS11902  Bidens cernua Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4801 Siskiyou about 0.8 mi s of Fort Jones; Scott Valley 822 Comment
  UC61669  Bidens frondosa Geo. B. Grant 1902-9-1 5278 Siskiyou Mt. Shasta, Pacific Coast Pacific Coast, Mt. Shasta 0 Comment
  CAS-BOT-BC413080  Bistorta bistortoides Doris K. Kildale 1929-8-24 9039 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  HSC92953  Bistorta bistortoides Jennifer Whipple 1976-7-1 1242 Siskiyou Near Durney Lake 2073 Comment
  HSC30486  Bistorta bistortoides Frederick W. Oettinger, R. F. Thorne 1969-8-8 1286 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  CAS-BOT-BC127940  Blepharipappus scaber Dr. E. B. Copeland 1903-7-3 3524 Siskiyou Klamathon Comment
  HSC44242  Blepharipappus scaber M. A. Baker 1977-5-22 325 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  HSC68063  Blepharipappus scaber J. P. Smith, Steve Selva 1970-6-15 3982 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  RSA52464  Blepharipappus scaber Dorothy Parker 1948-5-16 s.n. Siskiyou East side of Scott Valley 915 Comment
  UC162611  Boechera acutina Harley P. Chandler Jun 1901 1630 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  CAS-BOT-BC13814  Boechera howellii Vesta Holt 1943-8-13 M- 15 Siskiyou Marble Mountains. Comment
  UCD114343  Boechera howellii Robert E. Preston 1996-7-23 980 Siskiyou 1 mi e of Medicine Lake. 2072 Comment
  CHSC471  Boechera lyallii V. Holt 1943-8-8 Siskiyou Marble Mountains. 1828 Comment
  CAS-BOT-BC14671  Boechera rectissima Marion Ownbey; Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles northwest of McCloud. Comment
  CAS-BOT-BC25417  Boechera retrofracta John Thomas Howell 1937-7-21 13203 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC25423  Boechera retrofracta L. E. Smith 1913-4-26 127 Siskiyou Dunsmuir. Comment
  CAS-BOT-BC25611  Boechera retrofracta John Thomas Howell 1937-7-26 13569 Siskiyou Salmon River Gulch. Between Big Flat and Caribou Gulch. Comment
  SEINET6061781  Boechera rollei David Morin, Rolle, Wayne; Bailey, C. D. 2012-6-27 013 Siskiyou .1 mile southwest of border between Siskiyou National Forest and Klamath National Forest. Pacific Crest Trail 1/4 mi above Lilypad Lake. .7 air mi. SSW of Red Butte Summit. Siskiyou Mountains. Comment
  UC932078  Boechera sparsiflora Verne Grant and Alva Grant 1947-6-5 7972 Siskiyou Modoc Lava Beds Comment
  CAS-BOT-BC25727  Boechera sparsiflora W. B. Cooke; V. G. Cooke 1963-7-12 34337 Siskiyou Mount Shasta. 1371 Comment
  CAS-BOT-BC25874  Boechera subpinnatifida George Dexter Butler 1909-4-8 587 Siskiyou Humbug Mountain. Comment
  JEPS109889  Botrypus virginianus Dean W. Taylor 2005-9-28 19493 Siskiyou Sacramento River Canyon, ca. 2.5 air miles SE of Box Canyon Dam 1036 Comment
  HSC297  Boykinia major William J. Ferlatte 1966-8-17 395 Siskiyou Caribou Basin 1982 Comment
  JEPS74438  Boykinia major W. J. Ferlatte 1966-8-17 395 Siskiyou Caribou Basin; Trinity Alps, Caribou Basin 1981 Comment
  RSA105405  Boykinia major G. D. Barbe 1955-7-4 093 Siskiyou 11 miles S of Etna on the N Fork of French Creek. About 1000 ft from Parrot Mill Rd. 976 Comment
  UC894190  Brickellia greenei Alice Eastwood 1912-8-30 2093 Siskiyou Deer Creek Mount Eddy, Deer Creek Comment
  SEINET10533786  Brodiaea crocea F. Marion Ownbey 1941-6-22 Ownbey 2419 Siskiyou Gravelly soil in open pine forest, just south of Craggy Mounatin, Northwest of Yreka. Comment
  UC164282  Brodiaea elegans subsp. elegans Geo. D. Butler 1910-5-29 1421 Siskiyou meadow near Yreka Comment
  UC337864  Brodiaea elegans subsp. elegans unknown 1889-7-26 Siskiyou Edgwood Comment
  RSA68950  Brodiaea multiflora A. E. Culbertson 1943-7-1 8 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento. within 10 air miles of its headwaters to the west. Comment
  SEINET10933496  Bromus berteroanus Louis C. Wheeler 1935-5-11 Wheeler 3486 Siskiyou Dry rocky brush south slope. Klemath River at Ash Creek. Siskiyou Mts. Comment
  UCD57493  Bromus briziformis Mr. Roseman 1913-1 5 Siskiyou Butte Valley. Comment
  SEINET14341973  Bromus diandrus R. E. Frenkel 1963-1 236 Siskiyou W. of Everitt Memorial Hwy, 1.7 mi N of McCloud River RR Crossing, near Mount Shasta. 1291 Comment
  HSC103020  Bromus hordeaceus J. P. Smith 2014-6-6 13877 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  UCD146710  Bromus japonicus G. F. Hrusa 1998-7-5 14685 Siskiyou south side of pass on Happy Camp-O' Brien Road around side of State Boundary, above Indian Creek Camp. 750 Comment
  RSA184787  Bromus orcuttianus Gilbert Muth 1966-7-29 460 Siskiyou Marble Valley, Marble Mountains. 1799 Comment
  CAS-BOT-BC162132  Bromus orcuttianus W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox. Comment
  SEINET10868044  Bromus orcuttianus A. Arthur Heller 1915-7-18 Heller s.n. Siskiyou Open places in the forest in moist soil, Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaced Jeffrey pine. Comment
  CHSC86643  Bromus tectorum Jenny Marr 1993-7-1 26 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD59847  Bromus tectorum R. Tofsrud 1947-6-24 37 Siskiyou Near Gazelle. Comment
  CAS-BOT-BC185590  Bromus tectorum Geo. D. Butler 1909-8-16 860 Siskiyou Along creek near Yreka. Comment
  CAS-BOT-BC185382  Bromus vulgaris John Thomas Howell 1937-7-23 13364 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  JEPS109776  Calamagrostis breweri D. W. Taylor 2002-7-29 18287 Siskiyou South China Mountain; cirque as E base of summit ridge 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
  CAS-BOT-BC185254  Calamagrostis koelerioides Ira L. Wiggins 1955-7-27 13558 Siskiyou Caribou Lake, Salmon Trinity Alps Primitive Area. 2042 Comment
  CAS-BOT-BC185255  Calamagrostis koelerioides Geo. D. Butler 1910-7-12 1746 Siskiyou Shackleford Creek. 1371 Comment
  HSC24228  Calamagrostis koelerioides J. O. Sawyer 1969-8-1 1645 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA239128  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 683 Siskiyou West of Horse Range Lake, northwest of Horse's Hole Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC166502  Calamagrostis koelerioides Geo. D. Butler 1910-7-12 1746 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC85743  Calocedrus decurrens Alice Eastwood 1928-8-1 1939 Siskiyou Cantara Comment
  SEINET5052729  Calochortus macrocarpus Unknown 1995-7-1 26 Siskiyou east of Yreka; near Table Mountain Comment
  SBBG22937  Calochortus nudus H. and M. Dearing 1939-6-5 3558 Siskiyou S of McCloud Comment
  SEINET8197655  Calochortus nudus W. Roderick, D. Parker 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  UC922381  Caltha biflora Annie M. Alexander and Louise Kellogg 1949-7-28 5879 Siskiyou Sky High Valley; Marble Mountains. 1767 Comment
  JEPS81793  Calycadenia truncata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6814 Siskiyou about 4 mi n Weed (along US Hwy 99, on short grade down into floor of valley); Shasta Valley 920 Comment
  CAS-BOT-BC272744  Calycadenia truncata subsp. truncata Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka Comment
  CAS-BOT-BC272745  Calycadenia truncata subsp. truncata Louis C. Wheeler 1934-6-26 2787 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts. 762 Comment
  UC454263  Calyptridium monospermum I. J. Condit 1911-7-13 Siskiyou Dunsmuir, by Railroad track Dunsmuir Comment
  CAS-BOT-BC94470  Calyptridium umbellatum R. C. Wenk 2005-7-19 335 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  JEPS52540  Calyptridium umbellatum Willis L. Jepson 1894-8-4 Siskiyou Mount Shasta, Niel's Camp Niel's Camp; Mount Shasta, Niel's Camp Comment
  UC796486  Calyptridium umbellatum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11761 Siskiyou French Creek Logging Road w of Callahan 1066 Comment
  CAS-BOT-BC497586  Camassia quamash subsp. breviflora Frank W. Gould 1940-5-15 1224 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  CDA3582  Camelina microcarpa T. C. Fuller 1962-6-11 8959 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  UC873944  Camissonia contorta Louis C. Wheeler 1935-5-26 3527 Siskiyou Yreka Creek Siskiyou Mts. 853 Comment
  JEPS95640  Campanula prenanthoides Vernon H. Oswald and L. Ahart 1994-8-1 6421 Siskiyou T39N R5W SE1/4 Sec. 16, 4720 ft, Yellow Pine Forest. Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou 1438 Comment
  SEINET10463148  Campanula prenanthoides Ownbey 1940-7-4 OWNBEY 2171 Siskiyou Dry north slope, Siskiyou Mountains, northwest of Hornbrook Comment
  SEINET10463155  Campanula prenanthoides Ira L. Wiggins 1955-7-23 Wiggins 13463 Siskiyou Ridge west of China Creek, south side of South Fork of Salmon river 960 Comment
  RSA697273  Campanula rotundifolia D. W. Taylor 1996-7-11 15780 Siskiyou Klamath Mountains. Scott Mountians; West Fork Parts Creek (about 15 air miles west of Weed and 1 air miles West of Stewart Springs) Shasta- Trinity National Forest; 1329 Comment
  HSC49931  Campanula scabrella Gilbert Muth 1978-8-1 6957 Siskiyou Near Cory Peak, close to the town of Callahan. 2195 Comment
  SEINET10872980  Campanula scouleri Muth 1975-8-1 MUTH s.n. Siskiyou Near Sutcliffe Creek; Preston Peak quadrangle near Happy Camp 1341 Comment
  UC637161  Campanula scouleri Edward Lee 1934-8-13 1080 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, watershed of west branch of Waldo C 1463 Comment
  SEINET10463576  Campanula scouleri Joseph W. Congdon 1900-8-16 Congdon s.n. Siskiyou CASTLE LAKE TRAIL Comment
  SEINET10463794  Campanula scouleri Louis Krautter 1905-7-7 Krautter s.n. Siskiyou Near Sisson 1067 Comment
  CAS-BOT-BC266465  Campanula wilkinsiana A. A. Heller 1920-8-12 13518 Siskiyou About the spring above Horse Camp, Mount Shasta Comment
  RSA211345  Campanula wilkinsiana William J. Ferlatte 1966-8-19 446 Siskiyou Kidd Creek Trail. 1829 Comment
  UC642519  Campanula wilkinsiana W. Bridge Cooke 1939-8-24 13894 Siskiyou along creeks Mount Shasta, Squaw Valley Creek meadows Comment
  UC76643  Campanula wilkinsiana Milo S. Baker 1899-7-31 Siskiyou Ash Creek Mt. Shasta (on e slope of mountain) Comment
  CAS-BOT-BC266464  Campanula wilkinsiana W. B. C. 1939-8-24 13894 Siskiyou Mount Shasta. Along the creeks in Squaw Creek meadows Comment
  SEINET10463879  Campanula wilkinsiana Prouty 1979-8-14 PROUTY 79 .40 Siskiyou CREEKSIDE, COLD CREEK, E SLOPE OF MT. SHASTA T41N R2W SEC. 20 NE 1/4 1890 Comment
  SEINET10463886  Campanula wilkinsiana Cooke 1946-9-2 COOKE 17642 Siskiyou In Horse Camp water supply spring above Horse Camp, Mount Shasta 2515 Comment
  SEINET10905984  Campanula wilkinsiana John G. Lemmon 1888-9-12 Lemmon s.n. Siskiyou Side of Mount Shasta Comment
  SFV1451  Cardamine D. Parker 1949-6-11 227 Siskiyou Blue Creek. Comment
  CAS-BOT-BC37224  Cardamine angulata Alice Eastwood 1923-5-18 11838 Siskiyou Shasta Springs. Comment
  JEPS40857  Cardamine bellidifolia var. pachyphylla Paul C. Hutchison 1962-8-2 936 Siskiyou between Panther Meadow and top of ski lift Mt Shasta 2743 Comment
  JEPS53315  Cardamine bellidifolia var. pachyphylla Milo S. Baker 1898-8-1 508 Siskiyou bluff sw Medicine Lake; bluff sw of Medicine Lake Comment
  CAS-BOT-BC37313  Cardamine breweri Reed Rollins 1939-6-23 13508 Siskiyou Mount Shasta. Bear Springs. 1524 Comment
  UC618906  Cardamine breweri Reed Rollins 1938-7-15 11203 Siskiyou Bear Springs Mount Shasta, Bear Springs Comment
  CAS-BOT-BC37743  Cardamine californica H. E. Brown 1897-7-1 483 Siskiyou North side Mount Shasta. 2743 Comment
  HSC29188  Cardamine californica Frederick W. Oettinger 1967-7-26 184 Siskiyou Marble Mtn. Wilderness Area, just below Tom Taylor Cabin spring 2049 Comment
  SEINET5341066  Cardamine nuttallii G. Butler 1910-4-1 1152 Siskiyou Humbug Mt. on shady slopes. Comment
  CAS-BOT-BC38115  Cardamine parviflora L. R. Abrams 1926-7-4 11228 Siskiyou 1 mile west of Mount Shasta City on road to Abrams Lake. Comment
  UC673284  Cardaria draba Lincoln Constance, Reed C. Rollins 1942-5-14 2920 Siskiyou 1 mi e of Yreka (Klamath-Siskiyou Region); Klamath-Siskiyou Region 762 Comment
  CDA3649  Cardaria draba E. Hale 1989-5-15 Siskiyou Bruce Street, between Fourth and Main, Yreka. 0 Comment
  CAS-BOT-BC19765  Carex abrupta John Thomas Howell 1939-8-9 15192 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CHSC99692  Carex abrupta L. P. Janeway 2008-7-24 9475 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  UC1265327  Carex abrupta Frederick W. Oettinger 1968-9-8 733 Siskiyou se Tom's lake; Salmon Mountains, Marble Mountain Wilderness Area 2148 Comment
  UC1100435  Carex athrostachya Herbert L. Mason 1948-7-18 13610 Siskiyou Grass Lake Comment
  CAS-BOT-BC18125  Carex athrostachya Alice Eastwood July 28 10938 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC19557  Carex bolanderi John Thomas Howell 1937-7-21 13197 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC31047  Carex bolanderi William Bridge Cooke 1940-8-2 15404 Siskiyou Mt Shasta, Along the creeks at Bear Springs. 1524 Comment
  JEPS109522  Carex brainerdii Dean W. Taylor 1988-7-9 9949 Siskiyou Castle Lake, in cirque and ridgetop above heart lake 1950 Comment
  JEPS116609  Carex brainerdii Julie Kierstead 1997-5-13 97009 Siskiyou Mt. Shasta Rnger District. Parks Creek Road 1 mile above junction with 42N19, 6 miles west of Weed. 1463 Comment
  UCD77480  Carex breweri Robert E. Preston 2001-6-23 1593 a Siskiyou Klamath National Forest, e ridge of Rainbow Mtn, T42N R1W se 1/4 of nw 1/4 Section 23 2072 Comment
  SEINET10648318  Carex breweri Charles F. Baker 1903-7-16 Baker 3517 Siskiyou Mount Shasta. 3170 Comment
  CAS-BOT-BC34885  Carex deflexa var. boottii John Thomas Howell 1937-7-25 13476 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CHSC88398  Carex dudleyi Jenny Marr 1993-7-1 157 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS121615  Carex echinata Danielle Roach 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Flat fen, over gabbro. China Mountain quadrangle. CLB_C Comment
  HSC39378  Carex echinata subsp. echinata J. O. Sawyer 1969-8-3 1783 Siskiyou Alluvial terrace along Duck Lake Creek 1921 Comment
  HSC29666  Carex echinata subsp. echinata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1270 Siskiyou Marble Mtn. Wilderness Area, margin of English Lake 1768 Comment
  HSC63480  Carex echinata subsp. echinata M. A. Baker 1979-7-31 1090 Siskiyou Marble Mtn. Wilderness Area, head of Tickner Hole 1750 Comment
  HSC97426  Carex feta Gail Newton 1980-6-20 461 Siskiyou Near Bald Mtn. 1097 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
  JEPS125858  Carex geyeri Dean W. Taylor 1996-6-28 15749 Siskiyou Antelope Mountain, about 8 air miles S of Yreka Comment
  JEPS128455  Carex geyeri Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -056 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  JEPS87798  Carex gigas Vernon H. Oswald and Lowell Ahart 1994-8-1 6422 Siskiyou on the upstream side of Forest Rd. 26 ca. 0.5 mi (air) ne Gumboot Lake (w of Mt. Shasta (city)); Gumboot Creek 1783 Comment
  HSC97428  Carex hoodii Jennifer Whipple 1978-7-20 2353 Siskiyou E and S facing slopes draining into the N fork of the Sacramento River 2378 Comment
  RSA550447  Carex infirminervia R. Tallent 1987-8-12 901 Siskiyou Klamath National Forest: Long Gulch Lake; SE end of lake. 1945 Comment
  HSC7  Carex integra William J. Ferlatte 1966-6-23 124 Siskiyou Yellow Rose Mine 1982 Comment
  SEINET4292186 Image available Carex integra Unknown 2006-1 8790 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Moutain Summit. Scott Mountain 7.5' quad. Comment
  HSC103665  Carex integra Thomas W. Nelson, Jane Nelson 1984-7-28 7700 Siskiyou Along west side of Gumboot Lake 1860 Comment
  RSA237324  Carex integra Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1175 Siskiyou Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS109226  Carex lemmonii D. W. Taylor 2005-8-18 19477 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  HSC41053  Carex lenticularis var. lipocarpa J. O. Sawyer 1969-7-9 1108 Siskiyou S of Little Duck Lake 2012 Comment
  UC1265340  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou at lower meadow, Tom's Lake Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  HSC29668  Carex leptopoda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1245 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, Pine Lake Basin 1829 Comment
  SEINET7566355 Image available Carex luzulina Ray Tallent 1987-8-16 943 Siskiyou Mt. Shasta area, Panther Meadows Trailhead area. 2220 Comment
  SEINET7566357 Image available Carex luzulina Ray Tallent 1987-8-12 907 Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  UC1950133  Carex luzulina Barbara Ertter 1990-7-14 9350 Siskiyou E-facing hillside; just N of roadfork on FR 40N234 ca 1/2 mi S of Wagon Creek, E side Mt Eddy ca 4 airmiles W of Mt Shasta City Comment
  CAS-BOT-BC31621  Carex luzulina var. luzulina John Thomas Howell 1937-7-23 13332 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UC1147831  Carex mariposana John Thomas Howell 1937-7-25 13488 Siskiyou Caribou Basin, Salmon- Trinity Alps 1981 Comment
  HSC29631  Carex mertensii Frederick W. Oettinger 1969-8-6 1233 Siskiyou Marble Mtn. Wilderness Area, NW of Pine Lake 1883 Comment
  CAS-BOT-BC32011  Carex multicaulis Gote Wilhelm Turesson; Carl Gustav Alm 1938-7-19 503 Siskiyou Mt. Shasta, southern slope. 2743 Comment
  HSC42949  Carex multicaulis J. O. Sawyer, K. T. Stillman 1976-7-1 2770 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CAS-BOT-BC32010  Carex multicaulis William Bridge Cooke 1940-8-8 15446 Siskiyou In dry woods near Squaw Valley Creek. 2286 Comment
  UC1359 Image available Carex multicostata W. H. Brewer 1862-9-13 1398 Siskiyou Mt. Shasta 2133 Comment
  CHSC38992  Carex nebrascensis J. D. Jokerst 1983-7-5 1828 Siskiyou N end of Atkin's Meadow. Ca 15 air miles east of McCloud. Comment
  JEPS63628  Carex nebrascensis Geo. D. Butler 1909-6-13 808 Siskiyou Oro Fino Comment
  CAS-BOT-BC119902  Carex nebrascensis George Dexter Butler 1909-6-13 858 Siskiyou Damp meadow near Oro Frio. Comment
  HSC77270  Carex nebrascensis L. P. Janeway 1983-7-2 354 Siskiyou NW side of Klamath River and below Happy Camp 335 Comment
  CAS-BOT-BC119641  Carex nigricans Rimo Bacigalupi 1959-7-1 7205 Siskiyou Panther Meadow, SW slopes of Mt. Shasta. 2286 Comment
  UC1265348  Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou n side English Peak; Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  RSA237319  Carex nigricans Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1164 Siskiyou Diamond Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CHSC40202  Carex pachystachya L. P. Janeway 1983-8-27 622 Siskiyou South end and sl above dry bed of vernal pond. Near the Twin Valley/Poker Flat trail. 1676 Comment
  UC837242  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou near Wagon Creek Falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  CAS-BOT-BC119128  Carex phaeocephala William Bridge Cooke 1940-7-26 15386 Siskiyou On west side of Shastina. Mount Shasta. 2743 Comment
  CAS-BOT-BC119130  Carex phaeocephala William J. Ferlatte 1967-8-21 1077 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake 2286 Comment
  CAS-BOT-BC118575  Carex praegracilis Lewis Samuel Rose 1937-7-3 37397 Siskiyou Weed. 944 Comment
  UC144465  Carex praegracilis A. A. Heller 1905-6-20 8072 Siskiyou Gazelle Comment
  UC1265451  Carex preslii Frederick W. Oettinger 1969-9-3 1620 Siskiyou below English Peak (Shasta Ridge; the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC30670  Carex preslii Frederick W. Oettinger 1969-9-3 1620 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge below English Peak 1890 Comment
  POM81204  Carex preslii Geo D. Butler 1909-6-13 806 Siskiyou Orr Hins? Comment
  UC1265452  Carex preslii Frederick W. Oettinger 1969-8-19 1440 Siskiyou meadow SW of Arrow Peak (English Lake Basin; the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC30527  Carex scopulorum Frederick W. Oettinger 1969-9-4 1649 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  RSA238967  Carex scopulorum Frederick W. Oettinger 1968-9-9 804 Siskiyou Tom s Lake lower meadow. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CHSC40201  Carex scopulorum var. bracteosa L. P. Janeway 1983-8-6 509 Siskiyou At Poker Flat. Dampish part of e arm of meadow. 1524 Comment
  SEINET7575051 Image available Carex scopulorum var. bracteosa Ray Tallent 1987-8-12 906 Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  POM81963  Carex simulata Geo D. Butler 1910-6-5 1475 Siskiyou Shackleford Creek Comment
  HSC39290  Carex spectabilis J. O. Sawyer 1969-8-4 1802 Siskiyou Above Sugar Lake 2134 Comment
  UC142324  Carex straminiformis Wm. M. Canby in company with Profs. C. S. Sargent and John Muir 1897-9-4 313 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC33154  Carex straminiformis William Henry Brewer 1397 Siskiyou Mount Shasta 2743 Comment
  UC195511  Carex subfusca Geo. D. Butler 1910-6-5 1476 Siskiyou Shackleford Creek Comment
  HSC48042  Carex subfusca D. H. Norris 1972-6-11 22907 Siskiyou Along Duck Lakes trail near Parrott's Mill Rd. 1677 Comment
  HSC91405  Carex vesicaria Jennifer Whipple 1978-10-6 2422 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  RSA565000  Carex whitneyi D. W. Taylor 1987-6-8 9034 Siskiyou Lava Crack Spring. Modoc Plateau. 1372 Comment
  CHSC592  Cassiope mertensiana V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2438 Comment
  HSC91306  Cassiope mertensiana Jennifer Whipple 1976-7-1 1221 Siskiyou Wagon Creek drainage near Wagon Creek 2317 Comment
  RSA760761  Cassiope mertensiana R. F. Thorne, Frederick W. Oettinger 1969-8-4 63371 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  CAS-BOT-BC59702  Cassiope mertensiana W. R. Dudley 1901-8-24 s.n. Siskiyou Foxtail Ridge, Salmon Mts. Comment
  HSC62029  Cassiope mertensiana subsp. ciliolata Al Hobart 1960-7-25 Siskiyou Preston Peak 1982 Comment
  HSC83921  Cassiope mertensiana subsp. ciliolata K. Berg, Stephanie Bennett 1986-8-25 646 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  RSA126264  Cassiope mertensiana subsp. ciliolata I. L. Wiggins 1955-7-29 13570 Siskiyou Pass at SW end of Caribou L., Salmon-Trinity Alps Primitive Area. 2073 Comment
  RSA31873  Castilleja applegatei subsp. pinetorum A. A. Heller 1940-7-25 15766 Siskiyou Along the trail to Horse Camp, Mt. Shasta. 2287 Comment
  UC725307  Castilleja applegatei subsp. pinetorum A. A. Heller 1940-7-25 15766 Siskiyou along trail to Horse Camp; Mt. Shasta 2286 Comment
  UCD77486  Castilleja applegatei subsp. pinetorum Robert E. Preston 2001-7-21 1707 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2026 Comment
  RSA120313  Castilleja applegatei subsp. pinetorum S. S. Tillett 1956-7-9 667 Siskiyou On north sloping ridge between Little and Big Carmen Lakes, north side of Scott Mtn., Siskiyou-Trinity County line, ca. 8 miles SE of Callahan. 1921 Comment
  CAS-BOT-BC243746  Castilleja applegatei var. pinetorum A. A. Heller 1905-6-15 8033 Siskiyou Near Sisson Comment
  CAS-BOT-BC243748  Castilleja applegatei var. pinetorum Wm. Bridge Cooke 1939-7-14 13693 Siskiyou Along the Sisson Southern Trail, Mount Shasta 1524 Comment
  CAS-BOT-BC243766  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-10 9485 Siskiyou South slope of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC243769  Castilleja applegatei var. pinetorum Gilbert J. Muth 1969-8-6 1205 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC243772  Castilleja applegatei var. pinetorum Geo. D. Butler 1909-6-22 931 Siskiyou Goosenest foothills Comment
  JEPS32674  Castilleja arachnoidea Paul C. Hutchison 1962-8-2 926 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  JEPS3866  Castilleja arachnoidea Geo. D. Butler 1908-8-6 422 Siskiyou summit above Cold Spring (on trail) Wooly Creek 1828 Comment
  JEPS3870  Castilleja arachnoidea W. L. Jepson 1940-6-27 20034 Siskiyou e slope Mt. Shasta 1828 Comment
  SDSU10561  Castilleja arachnoidea D. F. Howe 1962-8-6 3408 Siskiyou Mount Shasta, Shasta National Forest. 2438 Comment
  HSC75107  Castilleja lacera J. P. Smith, Thomas W. Nelson 1979-6-16 10137 Siskiyou Klamath National Forest; S.R. 3, 2.7 miles from the Scott Mtn.summit 1341 Comment
  CAS-BOT-BC254026  Castilleja miniata Gilbert J. Muth 1969-8-8 1306 Siskiyou Boulder Peak Ridge Gap meadow 2286 Comment
  HSC690  Castilleja miniata William J. Ferlatte 1967-8-23 1112 Siskiyou Head of Kidd Creek 2134 Comment
  HSC69295  Castilleja miniata Maralyn A. Renner 1980-7-24 1998 Siskiyou Lily Pad Lake 1768 Comment
  CDA33294  Castilleja miniata T. C. Fuller 1974-9-24 20044 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  CHSC71328  Castilleja pilosa Vernon H. Oswald; Lowell Ahart 1998-6-11 9206 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  HSC20549  Castilleja pilosa R. C. Wunner 1965-6-7 129 Siskiyou Lava Beds N.M., Dragon Head Cave 1364 Comment
  HSC72442  Castilleja pruinosa J. P. Smith, Steve Selva 1970-7-15 4363 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  SBBG40128  Castilleja pruinosa C. B. Hardham 1961-6-30 7997 Siskiyou White Mtn Comment
  HSC72571  Castilleja pruinosa J. P. Smith 1976-5-4 8668 Siskiyou SR 263 near junction with SR 96, above Shasta River 671 Comment
  UC922484  Castilleja schizotricha Annie M. Alexander and Louise Kellogg 1949-7-22 5840 Siskiyou Paradise Lake Marble Mountains (trail to Kings Castle, top of ridge) 2072 Comment
  POM332457  Ceanothus cuneatus J. P. Smith 1973-5-5 6524 Siskiyou Scott Bar along the Scott River. Comment
  UC375370  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-5-30 667 Siskiyou near Yreka Comment
  CAS-BOT-BC50951  Ceanothus integerrimus Lewis S. Rose 1945-6-18 45061 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC25662  Ceanothus integerrimus J. O. Sawyer 1969-8-18 2020 Siskiyou SE facing midslope near CCC Rd. Comment
  CAS-BOT-BC50687  Ceanothus integerrimus var. macrothyrsus L. E. Detling 1950-6-8 6586 Siskiyou Dunsmuir 792 Comment
  HSC101755  Ceanothus integerrimus var. macrothyrsus J. P. Smith, J. O. Sawyer 2011-9-3 13403 Siskiyou Along Klamath National Forest Road 47N01. 738 Comment
  CAS-BOT-BC53089  Ceanothus prostratus L. B. Kildale 1930-6-1 9821 Siskiyou Etna Mills Comment
  CAS-BOT-BC53093  Ceanothus prostratus Roxana S. Ferris; Laura Lorraine 1948-6-12 11737 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC31548  Ceanothus prostratus Steve Selva, Roger Jensen 1974-8-26 60 Siskiyou Along Rd. 8 to Sugar Creek trail, 4 mi. from Hwy. 3 Comment
  CAS-BOT-BC63153  Ceanothus velutinus Alice Eastwood 1921-7-24 10772 Siskiyou Castle Lake. Comment
  JEPS42384  Ceanothus velutinus W. L. Jepson July 1894 14014 Siskiyou Sisson Comment
  RSA126293  Ceanothus velutinus I. L. Wiggins 1955-7-24 13488 Siskiyou Trail at crossing of China Creek, above diversion dam Comment
  RSA183666  Ceanothus velutinus Gilbert Muth 1965-7-30 114 Siskiyou Marble Valley, Marble rim Comment
  CAS-BOT-BC52812  Ceanothus velutinus var. velutinus John Thomas Howell 1939-8-3 15016 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC52843  Ceanothus velutinus var. velutinus Doris K. Kildale 1929-7-20 8709 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  CDA7264  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. 0 Comment
  CDA15579  Centaurea nigra G. F. Hrusa 1998-7-5 14686 Siskiyou Siskiyou Mountains; Immed. S of Indian Creek Bridge at base of pass between Happy Camp CA. & O'Brien OR. Comment
  CDA32136  Centaurea solstitialis M. Beyers, G. F. Hrusa 2010-8-18 701 Siskiyou Highway 96; Sluice Box Klamath River Access. 0 Comment
  UCD130115  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. Comment
  SBBG30183  Cephalanthera austiniae D. Myrick 1968-6-29 2061 Siskiyou Mountain Meadow Ranch, Big Flat, near Trinity Center; Trinity Alps 1524 Comment
  RSA381930  Cephalanthera austiniae M. B. Dunkle 1944-7-3 9069 Siskiyou Beaver Creek, Siskiyou National Forest. Sierra Nevada Comment
  POM151916  Cerastium arvense E. B. Copeland 1903-9-7 3850 Siskiyou Mt. Eddy. Comment
  HSC103384  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Little Shasta Rd., 5 mi. E of Montague. Comment
  UC1174945  Cercis occidentalis P. C. Everett and E. K. Balls 1959-10-24 23946 Siskiyou 7 mi sw from Red Bank F.S. Camp (on road from Sawyers Bar to Somesbar) Comment
  POM88106  Cercocarpus betuloides Geo. D. Butler 1910-4-16 1179 Siskiyou Klamath hills Comment
  CAS-BOT-BC148522  Cercocarpus ledifolius var. ledifolius Wm. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park 2438 Comment
  CHSC36164  Cercocarpus ledifolius var. ledifolius K. Bridwell 1978-7-7 176 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1615 Comment
  UC375376  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1909-7-15 921 Siskiyou Highland Mine Comment
  UC618748  Cercocarpus ledifolius var. ledifolius W. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park, on the n side of Mount Shasta Shastina Lava Park; Mount Shasta, Shastina Lava Park 2438 Comment
  CAS-BOT-BC276777  Chaenactis douglasii var. douglasii A. A. Heller 1905-6-9 8014 Siskiyou Montague Comment
  HSC92683  Chaenactis douglasii var. douglasii Jennifer Whipple 1977-8-6 2219 Siskiyou Dobkins Lake drainage on E facing slope above Dobkins Lake 2256 Comment
  JEPS34205  Chaenactis douglasii var. douglasii W. L. Jepson 1940-6-23 20005 Siskiyou n of Mt. Shasta (Andesite sta.) 975 Comment
  UC30998  Chaenactis douglasii var. douglasii T. H. Gilbert June 15 1899-July 15, 1899 Siskiyou Scott River Valley Comment
  UC61677  Chaenactis douglasii var. douglasii Geo. B. Grant 1902-9-1 5120 Siskiyou Horse Camp Mount Shasta 2438 Comment
  CAS-BOT-BC141588  Chamaebatiaria millefolium John Thomas Howell 1934-7-4 12399 Siskiyou Se. corner of Siskiyou Co. Comment
  SBBG27369  Chamaebatiaria millefolium J. W. Thompson 1936-7-8 13151 Siskiyou lava slopes of Lava Beds Nat Monument Comment
  UCR136932  Chamaebatiaria millefolium J. W. Thompson 1936-7-8 13151 Siskiyou Lava Bed National Monument Comment
  HSC69036  Chamaecyparis lawsoniana Maralyn A. Renner 1980-8-7 2366 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  SEINET13289857 Image available Chamaecyparis lawsoniana C. G. Pringle 1882-1 Siskiyou Siskiyou County Comment
  RSA624977  Chamaecyparis nootkatensis L. C. Wheeler 1963-8-25 8275 Siskiyou Preston Peak: Summit ridge. 2133 Comment
  UC1045259  Chamaesyce serpyllifolia W. B. Cooke 1940-7-12 15332 Siskiyou near new pine plantings (along the Memorial Hwy); Mount Shasta 1371 Comment
  UC61178  Chamerion angustifolium subsp. circumvagum W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  UCD77631  Chamerion angustifolium subsp. circumvagum Robert E. Preston 2002-7-14 1936 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1877 Comment
  CAS-BOT-BC70224  Cheilanthes gracillima Alice Eastwood 1912-9-1 2061 Siskiyou Mount Shasta Comment
  HSC69235  Cheilanthes gracillima Maralyn A. Renner 1980-9-1 2711 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UC71521  Cheilanthes gracillima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Crossing Sisson; Mt Shasta 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
  JEPS85081  Chenopodium W. B. and V. G. Cooke with Ted Graves 1988-8-29 64227 Siskiyou along Andesite Rd (Shasta NF FS-11) Mount Shasta, Shasta National Forest (n side of mt) 1463 Comment
  CHSC72234  Chenopodium album Vernon H. Oswald; Lowell Ahart 1998-9-16 9651 Siskiyou Tour Route at Lower Klamath NWR 3 mi south of Hwy 161. 1243 Comment
  SEINET5764325 Image available Chenopodium botrys A. A. Heller 1916-1 12564 Siskiyou near Sisson 1074 Comment
  UC851136  Chenopodium foliosum L. E. Smith 1914-6-24 722 Siskiyou Sisson Comment
  RSA210847  Chenopodium salinum R. F. Thorne 1969-9-3 39030 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  UCR66585  Chenopodium vulvaria L. C. Wheeler 1934-10-6 03307 Siskiyou Yreka. 793 Comment
  CAS-BOT-BC451443  Chimaphila menziesii J. H. Thomas 1954-5-14 4174 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles SE of Cecilville 1219 Comment
  JEPS74520  Chimaphila menziesii W. J. Ferlatte 1966-8-3 270 Siskiyou S. Fork Salmon R. between campground and Carter's; Trinity Alps, S. Fork Salmon R. 1524 Comment
  CAS-BOT-BC452268  Chimaphila umbellata Alice Eastwood 1912-7-15 1113 Siskiyou McCloud Comment
  CHSC1407  Chimaphila umbellata M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  UC32701  Chimaphila umbellata I. W. Morse Jul 1886 Siskiyou Shasta Comment
  UCSB23743  Chimaphila umbellata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  CDA3704  Chorispora tenella T. C. Fuller 1970-3-24 19360 Siskiyou Juvenile Hall, south of junction of Annie & State Streets, Yreka. 0 Comment
  CHSC91253  Chorispora tenella Lowell Ahart; John Dittes 2005-6-10 12120 Siskiyou East 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
  UC705917  Chrysolepis chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-7 2213 Siskiyou Cayenne Ridge; Marble Mountain Comment
  CDA15533  Chrysolepis chrysophylla var. chrysophylla G. F. Hrusa 1998-7-5 14701 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  CAS-BOT-BC36246  Chrysolepis sempervirens Mrs. H. P. Bracelin 1931-6-19 408 Siskiyou North side of Mt. Eddy, up from Metcalf's ranch house 1341 Comment
  POM270406  Chrysolepis sempervirens Lyman Benson 1929-3-26 1069 Siskiyou Shoulder of Mt. Shasta. Comment
  UC1096788  Chrysolepis sempervirens H. K. Wagnon 1957-8-11 1690 Siskiyou 3 mi w Military Pass Rd. (on rd to Brewer Creek, e slope of Mt Shasta); North Coast Ranges, Mt. Shasta Comment
  RSA30402  Chrysothamnus nauseosus subsp. consimilis A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles south of Grenada 915 Comment
  JEPS22375  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1940-6-23 20021 Siskiyou near Andesite Station (along Weed-Klamath Falls highway) 975 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
  SEINET3156166  Cicuta occidentalis G. D. Butler 1910-7-15 1788 Siskiyou Uro Fens Creek Comment
  HSC30594  Cinna latifolia Frederick W. Oettinger 1969-8-25 1546 Siskiyou Marble Mountain Wilderness, moist meadow W of Arrow Peak, English Peak region 2012 Comment
  HSC19236  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-23 1183 Siskiyou Along road near Horse Range Creek. 1341 Comment
  UC157918  Circaea alpina subsp. pacifica Milo S. Baker 1898-8-1 494 Siskiyou Payne's Springs Comment
  CAS-BOT-BC285347  Cirsium andersonii E. K. Balls 1949-7-8 13920 Siskiyou Road to Callahan from Scott Mt., southern Siskiyou County 1524 Comment
  UC336877  Cirsium andersonii unknown 336877 Siskiyou near Sissoon Comment
  CAS-BOT-BC277924  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Both sides of Goosenest Road, 14 km. northeast of Tennant Comment
  CAS-BOT-BC277925  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Both sides of Goosenest Road, 14 km. northeast of Tennant Comment
  POM33212  Cirsium cymosum Geo. D. Butler 1910-5-20 1368 Siskiyou Near Yreka. Comment
  CAS-BOT-BC279880  Cirsium douglasii var. breweri A. H. Murphy 1956-8-16 56 L Siskiyou Big Marshy Meadows, Klamath National Forest 1981 Comment
  CAS-BOT-BC279887  Cirsium douglasii var. breweri W. R. Dudley 1901-8-25 s.n. Siskiyou By trail to Criol's Jackson Creek - Salmon Mts. Comment
  CAS-BOT-BC285575  Cirsium occidentale var. candidissimum Alice Eastwood 1912-7-20 1256 Siskiyou Hornbrook Comment
  OBI54136  Cirsium occidentale var. candidissimum David J. Keil, Kathleen Keil 1992-7-24 23558 Siskiyou 2.8 mi NE of Hwy 3 on Gazelle-Callahan rd Comment
  OBI54138  Cirsium occidentale var. candidissimum David J. Keil 1992-7-20 23501 Siskiyou Klamath NF, SW of Fort Jones. Along forest Rd 46N64, 1.1 mi W of Scott River Rd Comment
  RSA0070871  Cirsium remotifolium Gilbert Muth 1969-8-12 1369 Siskiyou Second Valley. 2226 Comment
  JEPS59177  Cirsium remotifolium var. odontolepis Geo. D. Butler 1908-8-4 335 Siskiyou Cold Spring Camp , Wooly Creek 1676 Comment
  CAS-BOT-BC286471  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  RSA607265  Cirsium scariosum L. C. Wheeler 1935-6-30 3636 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  HSC26754  Cirsium vulgare J. P. Smith, J. O. Sawyer 1971-9-18 4818 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  RSA0059898  Clarkia lassenensis J. P. Smith 1974-5-25 7413 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  UC1949050  Clarkia purpurea subsp. quadrivulnera Barbara Ertter with Thomas J. Delendick 1987-5-17 6972 Siskiyou W side Rt. 3 N of Callahan, 1.7 mi N of S Fk Scott River bridge Comment
  HSC64512  Clarkia rhomboidea J. P. Smith, J. O. Sawyer 1972-6-30 5637 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  SEINET10689252  Clarkia rhomboidea Whipple 1978-6-5 WHIPPLE 2348 Siskiyou Weston Gulch in Scott Valley. T42N, R8W, sec. 19, M.D.M. Oak-Pine woodland including Pinus ponderosa, Quercus Garryana, and Quercus Kelloggii. Elevation 2800-3000 feet. 855 Comment
  CAS-BOT-BC439106  Claytonia cordifolia D. M. Traugh 1933-8-7 3 Siskiyou Klamath National Forest. Marble Valley 1828 Comment
  JEPS43305  Claytonia parviflora subsp. parviflora Geo. D. Butler 1909-3-26 681 Siskiyou Oro Fino Comment
  RSA101989  Claytonia rubra Geo. D. Butler 1910-5-5 1289 Siskiyou [Huckleberry] Mountain. 1220 Comment
  RSA238295  Claytonia rubra Frederick W. Oettinger 1969-7-29 1105 Siskiyou Uncle s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CDA23963  Claytonia rubra subsp. depressa T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CAS-BOT-BC443810  Claytonia rubra subsp. rubra Roxana S. Ferris; Laura Lorraine 1948-6-12 11807 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  CAS-BOT-BC443825  Claytonia rubra subsp. rubra Geo. D. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC443824  Claytonia rubra subsp. rubra A. A. Heller 1905-6-1 7924 Siskiyou Between/near Dunsmuir and Upper Soda Spring Comment
  UC452678  Claytonia sibirica Dr. E. B. Copeland 1903-8-13 3891 Siskiyou Sisson 1066 Comment
  UC165974  Cleome platycarpa Geo. D. Butler 1910-5-11 1335 Siskiyou Shasta Valley Comment
  CDA25287  Cleome platycarpa J. R. Grisham 1961-7-14 Siskiyou Elsea property, Montague. 0 Comment
  CHSC95116  Clintonia uniflora L. P. Janeway 2006-7-2 8741 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  RSA593952  Clintonia uniflora Louis C. Wheeler 1963-8-29 8305 Siskiyou Siskiyou Mountains. Head of west fork Clear Creek. 1432 Comment
  UCD139631  Clintonia uniflora J. M. Tucker; D. V. Hemphill 1974-7-28 4334 Siskiyou 1.5 miles south of Haypress Meadows, beside trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC500967  Clintonia uniflora Geo. D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  HSC579  Clintonia uniflora William J. Ferlatte 1966-7-7 221 Siskiyou Big Flat, near public camp 1524 Comment
  HSC72674  Collinsia grandiflora J. P. Smith 1976-5-5 8674 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  UC163700  Collinsia grandiflora Geo. D. Butler 1910-6-6 1464 Siskiyou Quartz Valley Comment
  CHSC57456  Collinsia linearis L. P. Janeway 1984-6-22 876 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. Comment
  UCSB18255  Collinsia linearis Breedlove, Dennis 1962-6-10 Siskiyou on roadbank along Indian Creek Road; 11.7 miles northwest of Happy Camp; Siskiyou Mountains 594 Comment
  JEPS74150  Collinsia linearis J. M. Tucker and L. K. Mann 1963-7-4 3691 Siskiyou ca 4.7 mi sw Etna (beside rd from Etna to Sawyer's Bar) Comment
  UC1213758  Collinsia parviflora Jean Langenheim 1957-5-19 4343 Siskiyou area along roadcut between Gazelle and Callahan Comment
  SEINET13406232  Collinsia rattanii G. D. Butler 1910-4-16 1188 Siskiyou Klamath [River] Bluffs. Comment
  JEPS15386  Collinsia torreyi var. latifolia Douglas Barbe 1955-7-6 131 Siskiyou above se shore Taylor Lake (on slope); Klamath Mtns, Salmon Mtns 1950 Comment
  JEPS70994  Collomia grandiflora Willis L. Jepson Jul 24 1894-Aug 10 1894 14995 Siskiyou Sisson Region of the Upper Sacramento Comment
  POM75196  Collomia grandiflora Geo D. Butler 1910-5-19 1366 Siskiyou Yreka. Comment
  RSA48009  Collomia heterophylla Roxana S. Ferris, Laura Lorraine 1948-6-12 11780 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge 1067 Comment
  CAS-BOT-BC229523  Collomia larsenii Mary Ann Showers 1980-7-23 1917 Siskiyou At summit of Little Mount Hoffman, W facing slope Comment
  HSC78207  Collomia tinctoria L. P. Janeway 1983-8-6 495 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  UCR80251  Collomia tinctoria L. C. Wheeler 1934-6-7 2652 Siskiyou Siskiyou Mountains, Dry open summit at Hungry Creek Lookout, Mt. Diablo Mer 1502 Comment
  CDA40003  Collomia tinctoria T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Mount Shasta. 0 Comment
  HSC44488  Collomia tracyi K. Irwin 1977-5-22 385 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  UC1072721  Conium maculatum Douglas Barbe 1955-7-5 113 Siskiyou 1/2 mi n of Etna (on the middle Valley Road, Klamath Mountains); Klamath Mountains, Valley Road 883 Comment
  JEPS41828  Conyza canadensis Geo. D. Butler 1908-8-21 323 Siskiyou Etna Creek 1158 Comment
  POM107529  Corallorhiza maculata Geo D. Butler 1910-6-5 1479 Siskiyou Shackleford Creek Comment
  RSA50136  Corallorhiza maculata E. K. Balls 1949-7-10 13964 Siskiyou 8.6 miles from Sawyers Bar on the way to Cecilville. 762 Comment
  UC164421  Corallorhiza striata Geo. D. Butler 1910-5-5 1292 Siskiyou Humbug Mountain Comment
  CHSC105583  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16202 b Siskiyou Forest Service Road 41N26, the Eddy Creek Road, 0.6 mile above the junction with Old Stagecoach Road (study site 10). Lat. and Long. indicated +/- 33 feet. 1039 Comment
  UC196059  Cordylanthus tenuis subsp. tenuis A. A. Heller 1914-8-28 11744 Siskiyou e side Mt. Eddy 1371 Comment
  JEPS60491  Cordylanthus tenuis subsp. viscidus T. I. Chuang and L. R. Heckard 1969-8-21 6742 Siskiyou 1/2 mi w Hamburg (on Hwy 96 above the Klamath River) 426 Comment
  JEPS7045  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-12 4791 Siskiyou 1/2 mi w Hamburg (along hwy following Klamath Riber) 457 Comment
  SBBG93279  Cordylanthus tenuis subsp. viscidus B. Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mtn summit, on Hwy 4, at rd jct; W of rd 1371 Comment
  SEINET10702297  Cordylanthus tenuis subsp. viscidus Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 174 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  SEINET13682592  Cordylanthus tenuis subsp. viscidus B. L. Wilson, R. E. Brainerd 2010-8-5 16222 Siskiyou Shasta-Trinity NF, ca junction of Hwy 89 and FR 41N06, ca 10 miles E of McCloud. 774 Comment
  JEPS60492  Cordylanthus tenuis subsp. viscidus T. I. Chuang and L. R. Heckard 1969-8-21 6743 Siskiyou 27 mi n Happy Camp (Elder Mt Rd junction, on road to O'Brien) 822 Comment
  UC165258  Cornus glabrata Geo. D. Butler 1908-7-1 89 Siskiyou Yreka Creek Comment
  UC166603  Cornus glabrata Geo. D. Butler 1909-9-26 974 Siskiyou along creek near Yreka Comment
  SEINET8083541  Cornus glabrata G. D. Butler 1910-5-22 1385 Siskiyou Yreka creek Comment
  HSC19271  Cornus nuttallii J. O. Sawyer 1968-6-19 252 Siskiyou Lower slopes of valley near Blake's Fork. 1616 Comment
  CAS-BOT-BC212052  Cornus nuttallii Carl B. Wolf 1927-8-26 1071 Siskiyou On the Klamath River, 5 mi. above Hamburg Comment
  CAS-BOT-BC210403  Cornus sericea Alice Eastwood 1923-5-11 11843 Siskiyou Shasta Springs Comment
  HSC100198  Cornus sericea J. P. Smith, & J. O. Sawyer 2011-9-6 13423 Siskiyou Along East Moffett Creek Road 983 Comment
  HSC19035  Cornus sericea subsp. sericea J. O. Sawyer 1969-7-18 1400 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  UC165420  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-21 86 Siskiyou Etna Creek Comment
  UC21530  Cornus sericea subsp. sericea Milo S. Baker 1893-6 Siskiyou 6 mi. below Bartles (McCloud R.); McCloud R. Comment
  SD76183  Cornus stolonifera Helen V. Witham 1969-10-7 563 Siskiyou Near Ft. Jones. 700 Comment
  UC1585410  Corylus californica R. Raiche, K. Zadnik, and H. Forbes Feb 1989 UCBG 36 Siskiyou SW of Little Medicine Mt., Elk Valley, near Del Norte Co. line 1325 Comment
  CDA4452  Crepis monticola Unknown May 1942 s.n. Siskiyou 0 Comment
  SEINET2142064 Image available Crepis occidentalis subsp. conjuncta Unknown 1644 Siskiyou Marble Mountain 2440 Comment
  HSC44385  Crepis occidentalis subsp. occidentalis M. A. Baker 1977-5-22 321 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  UC581295  Crepis occidentalis subsp. pumila E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1938 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  CAS-BOT-BC290868  Crepis pleurocarpa Geo. D. Butler 1910-7-12 1758 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC290869  Crepis pleurocarpa A. A. Heller 1915-7-16 12104 Siskiyou North side of Mt. Eddy 1371 Comment
  CAS-BOT-BC58389  Crepis pleurocarpa R. C. Wenk 2005-7-15 224 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. 2133 Comment
  SEINET10474591  Crepis pleurocarpa Mary Merello 1993-6-22 Merello 698 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  UC163912  Crepis pleurocarpa Geo. D. Butler 1908-8-3 306 Siskiyou Shackleford Creek Log Lake Comment
  UC455528  Crepis pleurocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  HSC43838  Crocidium multicaule Maralyn O'Meara 1974-5-27 494 Siskiyou 7.4 mi. NE of Ft. Jones on Hwy. 3 1159 Comment
  UC164155  Cryptantha flaccida Geo. D. Butler 1910-5-7 1298 Siskiyou Yreka Comment
  UC61113  Cryptantha intermedia T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC68493  Cryptantha milobakeri Maralyn A. Renner 1980-6-10 866 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  JEPS125890  Cryptantha milobakeri Dean W. Taylor 1996-7-11 15786 Siskiyou Shasta Trinity National Forest; Scott Mountains, ridge dividing West Fork Parks Creek drainage from Willow Creek drainage, ca 15 air miles W of Weed and 3 air miles W of Stewart Springs. Comment
  UC78653  Cryptantha rostellata Thos. Howell 1889-5-10 1386 Siskiyou Hornbrook Comment
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May 28 2007
  CAS-BOT-BC278776  Cryptantha subretusa R. C. Wenk 2005-7-19 334 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  UC564180  Cryptantha subretusa Elmer I. Applegate 1935-6-10 9486 Siskiyou s side Caldwell Butte (s Siskiyou County); Lava Beds National Monument Comment
  CHSC75685  Cryptantha torreyana Vernon H. Oswald; Lowell Ahart 1999-7-5 9796 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. 914 Comment
  SBBG30582  Cryptantha torreyana D. Myrick 1968-6-25 2024 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  HSC68537  Cryptogramma acrostichoides Maralyn A. Renner 1980-6-25 1102 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  HSC99673  Cryptogramma acrostichoides J. O. Sawyer 1969-6-13 952 Siskiyou Slope above Little Duck Lake 2134 Comment
  RSA142617  Cryptogramma cascadensis P. A. Munz 1960-8-22 24192 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  RSA17603  Cupressus bakeri C. B. Wolf 1934-10-8 6167 Siskiyou Modoc Lava Beds, 1 mile NE of Timbered Crater on old Stage road from Dana to Little Hot Springs Valley 1220 Comment
Read comments
Mar 29 2012
  NY643322  Cuscuta approximata L. C. Wheeler 1934-9-22 3294 Siskiyou Walker, Klamath River, Siskiyou Mts. 518.2 Comment
  JEPS80596  Cuscuta occidentalis Gilbert Muth 1966-8-1 490 Siskiyou Marble Valley Horse Pasture Marble Mt. Wilderness Area 1792 Comment
  CDA5635  Cynoglossum officinale Wm. Nichols 1959-5-1 2310 Siskiyou McCloud. 0 Comment
  UCD119151  Cynoglossum officinale T. C. Fuller 1967-6-27 16034 Siskiyou W. side of rd. to McCloud Reservoir, 0.3 mi. s. of McCloud. Comment
  UC637068  Cyperus squarrosus Edward Lee 1934-8-11 1026 Siskiyou e. end Seiad Valley (Walker Creek); , Walker Creek (tributary of Klamath R.) 457 Comment
  UC673565  Cypripedium californicum Dorothy Tebbe 1929-7-15 116 Siskiyou Mount Eddy Comment
  CAS-BOT-BC133738  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  SEINET8253671  Cypripedium californicum Frank Callahan 2007-7-5 Siskiyou Methodist Camp Meadows (south of) up Scott Camp Creek. Comment
  CAS-BOT-BC70712  Cystopteris fragilis Ira L. Wiggins 1955-7-29 13587 Siskiyou Along Thompson Creek, 3.5 miles above South Fork of Salmon River 1371 Comment
  UCD60516  Danthonia californica R. Tofsrud 1948-8-3 s.n. Siskiyou Poker Flat, near Del Norte Co. border. Comment
  RSA239120  Danthonia californica var. americana Frederick W. Oettinger 1969-9-4 1657 Siskiyou Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC194397  Danthonia intermedia Wm. Bridge Cooke 1938-9-8 11666 Siskiyou Squaw Creek Meadows - Mount Shasta 2590 Comment
  HSC19074  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-5 1753 Siskiyou W of Little Duck Lake 2073 Comment
  HSC69057  Danthonia intermedia subsp. intermedia Maralyn A. Renner 1980-8-6 2318 Siskiyou Cracker Meadow 1555 Comment
  RSA331959  Darlingtonia californica W. Kelly, Walter Wisura 1985-7-31 4077 Siskiyou Kangaroo Lake, near camp site Comment
  UC34981  Darlingtonia californica M. A. Howe 1894-8-9 Siskiyou Shasta Springs Comment
  UCR142704  Datura stramonium L. C. Wheeler 1934-10-13 3319 Siskiyou Siskiyou Mountains, Klamath River near Skunk Gulch 610 Comment
  CAS-BOT-BC8951  Delphinium decorum subsp. tracyi Mrs. H. C. Cantelow 1936-5-20 1391 Siskiyou Summit of Salmon Mtn. 1818 Comment
  CAS-BOT-BC8971  Delphinium depauperatum Elmer Ivan Applegate 1923-8-17 3840 Siskiyou Medicine Lake Comment
  CAS-BOT-BC9892  Delphinium nudicaule E. K. Balls 1950-5-16 14711 Siskiyou E. slope, Caldwell Butte, Lava Beds National Monument 1676 Comment
  UC563986  Delphinium nudicaule Elmer I. Applegate 1935-6-6 9376 Siskiyou sw base Caldwell Butte; Lava Beds National Monument Comment
  UC854164  Delphinium nudicaule Louis C. Wheeler 1935-5-26 3532 Siskiyou Yreka Creek Siskiyou Mts. 914 Comment
  CAS-BOT-BC9890  Delphinium nudicaule L. E. Smith 1913-5-4 258 Siskiyou Yreka Comment
  CAS-BOT-BC116163  Delphinium nuttallianum John Thomas Howell 1937-7-22 13301 Siskiyou South Fork of Salmon River near Big Flat, 1524 Comment
  UC1409277  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 a Siskiyou sw English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC192461  Deschampsia cespitosa subsp. cespitosa Louis C. Wheeler 1934-8-14 3128 Siskiyou Klamath National Forest, N. side White Mt. 1767 Comment
  UC1949313  Deschampsia cespitosa subsp. cespitosa Barbara Ertter 1900-7-14 9320 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  HSC26550  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-17 4464 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC68985  Deschampsia elongata Maralyn A. Renner 1980-7-24 2061 Siskiyou Lily Pad Lake 1768 Comment
  SEINET10524249  Deschampsia elongata A. Arthur Heller 1915-7-18 Heller 12134 Siskiyou Open places in the forest in moist soil, Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaced Jeffrey pine. Comment
  SEINET7073596  Descurainia incisa A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  UC536688  Descurainia incisa subsp. filipes D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou 11 mi ne Weed 1097 Comment
  HSC44575  Dicentra formosa Laura Witherspoon 1977-6-30 Siskiyou 1/2 mi. along Binwall Rd. before Dillon Camp 1494 Comment
  UC1362281  Dicentra formosa K. R. Stern 1965-5-29 2171 Siskiyou ca 15 mi nnw Klamath River (town) (1.2 mi below Deer Camp) Comment
  CAS-BOT-BC402483  Dicentra formosa subsp. formosa A. M. Vollmer; L. Beane 1951-6-2 67 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  RSA262522  Dicentra formosa subsp. formosa J. M. Tucker, D. V. Hemphill 1974-7-27 4309 Siskiyou Beside Haypress Creek, a short distance downstream from Haypress Meadows, Marble Mountain Wilderness Area 1463 Comment
  CAS-BOT-BC402475  Dicentra formosa subsp. formosa L. E. Smith 1913-4-24 100 Siskiyou Castle Crags Station Comment
  RSA297049  Dicentra pauciflora John F. Emmel 1974-7-19 517 Siskiyou Wet meadow 0.2 air mile west of Lily Pad Lake, Siskiyou Mountains. 1753 Comment
  HSC36692  Dichelostemma ida-maia Brent Whitely 1975-6-28 88 Siskiyou 915 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
  RSA47979  Dichelostemma multiflorum Roxana S. Ferris, Laura Lorraine 11784 Siskiyou Outskirts of Etna. Comment
  SEINET8476746  Dichelostemma multiflorum G. D. Butler 1910-5-18 1361 Siskiyou Yreka. Comment
  UCD35445  Dieteria canescens Beecher Crampton 1956-8-22 3864 Siskiyou South slope of Mt. Shasta, Wagon Camp Road, about 4 miles southwest of Panther Meadow. 1828 Comment
  HSC5959  Dieteria canescens var. canescens R. C. Wunner 1965-8-27 488 Siskiyou California Lava Beds National Monument; 1/2 mi. from Devil's Homestead Overlook on Gillems Bluff 1280 Comment
  CAS-BOT-BC291002  Dieteria canescens var. shastensis Alice Eastwood 1912-7-16 1120 Siskiyou McCloud Comment
  JEPS94395  Dieteria canescens var. shastensis Vernon Oswald and Lowell Ahart 1997-7-28 8778 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave Yellow Jacket Ice Cave; Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  UC1576753  Dimeresia howellii Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9250 Siskiyou on crater floor at n interior Caldwell Butte; Lava Beds National Monument, Caldwell Butte 1499 Comment
  CHSC57238  Diplacus jepsonii David M. Thompson 1988-6-4 931 Siskiyou Ca. 1.5 air mi SE of Deadhorse Summit. 1.3 mi NW of Shasta Co. line along Hwy 89. 1298 Comment
  CAS-BOT-BC153300  Diplacus kelloggii Harley P. Chandler 1901-6-1 1480 Siskiyou Ridges and meadows near Marble Mountain 426 Comment
  RSA577801  Disporum hookeri var. hookeri Louis C. Wheeler 1934-8-10 3104 Siskiyou Siskiyou Mountains, Jaynes Canyon 1128 Comment
  JEPS107661  Distichlis spicata Lowell Ahart, John Dittes 2005-6-9 12004 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  HSC86555  Dodecatheon alpinum D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  RSA215607  Dodecatheon jeffreyi Gilbert Muth 1969-8-11 1362 Siskiyou Ridge south of Boulder Peak. 2317 Comment
  UC1190250  Dodecatheon jeffreyi Ira L. Wiggins 1955-7-27 13545 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  HSC202  Draba carnosula William J. Ferlatte 1967-8-20 1055 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  HSC29186  Draba pterosperma Frederick W. Oettinger 1968-8-22 601 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, cliffs above English Lake to Diamond Lake trail on English Lake side of pass 2226 Comment
  RSA654055  Draperia systyla Beecher Crampton 1956-8-21 3839 Siskiyou Canyon of the south fork of the Sacramento River, lower slopes of White Ridge. 1372 Comment
  CHSC62547  Drosera rotundifolia L. P. Janeway 1993-8-30 4566 Siskiyou West side of Cedar Lake; head of South Fork Sacram ... Field redacted by CHSC, contact the data manager for more information 1741 Comment
  HSC61835  Drymocallis glandulosa Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC86540  Drymocallis glandulosa D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 1982 Comment
  UC454988  Drymocallis glandulosa I. J. Condit 1911-7-7 Siskiyou Shasta Retreat 1066 Comment
  JEPS47209  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1909-5-31 779 Siskiyou Humbug Comment
  CAS-BOT-BC159286  Drymocallis lactea var. lactea David Keck 1938-6-24 11070 Siskiyou MacBridge Springs - Mount Shasta 1524 Comment
  CAS-BOT-BC159289  Drymocallis lactea var. lactea K. T. Stillman 1976-7-15 246 Siskiyou Marble Mountain Wilderness Area Comment
  HSC45014  Drymocallis pseudorupestris var. pseudorupestris J. O. Sawyer 1978-6-16 3220 Siskiyou Marble Mtn. Wilderness Area; in Upper Elk Valley 1921 Comment
  RSA610532  Eleocharis parishii L. C. Wheeler 1935-6-9 3550 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  JEPS107385  Eleocharis rostellata Lowell Ahart, John Dittes 2005-6-10 12097 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC77195  Eleocharis suksdorfiana L. P. Janeway 1983-8-16 556 Siskiyou Poker Flat 1524 Comment
  RSA184790  Elymus Gilbert Muth 1966-7-17 410 Siskiyou Ridge near lookout, Marble Mountains 2058 Comment
  CAS-BOT-BC227928  Elymus elymoides John Thomas Howell 1937-7-21 13158 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA238987  Elymus elymoides Frederick W. Oettinger 1969-9-2 1583 Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  JEPS19727  Elymus elymoides subsp. elymoides Rimo Bacigalupi with S. Galen Smith 1957-6-26 5938 Siskiyou about 2 1/2 mi nw Weed (close to US Hwy 99) 1005 Comment
  RSA126910  Elymus glaucus H. S. Yates 1936-6-20 5807 Siskiyou Siskiyou Summit 1372 Comment
  JEPS73753  Elymus glaucus subsp. glaucus Geo. D. Butler 1909-6-13 834 Siskiyou Moffitt Creek Comment
  HSC39902  Elymus lanceolatus subsp. lanceolatus J. P. Smith, Steve Selva 1970-7-16 4409 Siskiyou Beaver Creek Campground. 823 Comment
  HSC102711  Elymus multisetus J. P. Smith 2013-6-17 13744 Siskiyou Cinder Pit Road, 0.6 miles from its junction with County Road A12. 1123 Comment
  HSC91443  Elymus spicatus Jennifer Whipple 1977-8-6 2220 Siskiyou Dobkins Lake drainage on E facing slope above Dobkins Lake 2256 Comment
  HSC92387  Elymus spicatus Jennifer Whipple 1976-7-24 1550 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  CAS-BOT-BC204264  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-19 6353 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Hones [Jones] nr. head of Yreka Ck 1127 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
  CAS-BOT-BC392232  Enemion stipitatum Louis C. Wheeler 1935-3-10 3371 Siskiyou Miller Gulch off Klamath River, Siskiyou Mts. 670 Comment
  UC204380  Epilobium brachycarpum A. A. Heller 1914-8-25 11706 Siskiyou near Deetz Station (opposite Black Butte) 1158 Comment
  POM46472  Epilobium brachycarpum Geo. D. Butler 1910-7-3 1629 Siskiyou Goosenest Foothills 1220 Comment
  HSC103904  Epilobium canum subsp. latifolium Dana York, Richard Helliwell 2010-9-11 3015 Siskiyou Six Rivers National Forest. Northeast slope of Broken Rib Mountain 1671 Comment
  HSC93865  Epilobium ciliatum subsp. ciliatum Jennifer Whipple 1977-8-6 2242 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC922406  Epilobium ciliatum subsp. glandulosum Annie M. Alexander and Louise Kellogg 1949-7-24 5869 Siskiyou near Paradise Lake; Marble Mountains 2072 Comment
  POM248137  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-7-21 13701 Siskiyou Mouth of the Municipal spring above Howard, Mount Shasta 1280 Comment
  UC164267  Epilobium densiflorum Geo. D. Butler 1908-7-17 160 Siskiyou along creek near Yreka Comment
  UC618827  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-15 11192 Siskiyou Bear Springs Mount Shasta Comment
  HSC82257  Epilobium hallianum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6175 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  POM259758  Epilobium hallianum J. T. Howell 1939-8-10 15261 Siskiyou Spirit Lake, Marble Mountains 1829 Comment
  RSA105429  Epilobium hallianum Douglas Barbe 1955-7-26 277 Siskiyou Klamath Mountains: At a spring on the north slope of Scott Mountain 1829 Comment
  UC1188086  Epilobium hornemannii subsp. hornemannii Philip A. Munz 1960-8-22 24180 Siskiyou Panther Meadows Mt. Shasta (stream bank) 2377 Comment
  JEPS25836  Epilobium luteum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7450 Siskiyou along brook above and flanking Poker Flat (near trail to Twin Valley, about 12 mi nw of Happy Camp); Siskiyou Mts. 1524 Comment
  HSC60820  Epilobium minutum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA458714  Epilobium minutum Christopher Davidson 1975-6-5 2665 Siskiyou Just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  HSC59013  Epilobium oregonense Marvin Butler 1971-7-29 242 Siskiyou Near Cyclone Gap, close to Cave Junction 1524 Comment
  CHSC63407  Epilobium siskiyouense Vernon H. Oswald; Lowell Ahart 1994-7-11 6405 Siskiyou Gumboot Lake Rd. (40N37) just S of Forest Rd. 26 (to Mt. Shasta), W of Dunsmuir. Roadside bank. 1777 Comment
  HSC22470  Equisetum hyemale subsp. affine J. O. Sawyer 1969-6-11 826 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  CHSC71855  Ericameria bloomeri Vernon H. Oswald; Lowell Ahart 1998-9-8 9608 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. Roadside. 1127 Comment
  SEINET5727125 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Road 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  SEINET5709302 Image available Ericameria bloomeri Lowell E. Urbatsch, D. Clark 1974-1 1509 Siskiyou Along Rd to Ski Bowl on Mt. Shasta. 1676 Comment
  UC1408923  Ericameria greenei Frederick W. Oettinger 1968-8-19 584 Siskiyou meadows at Gap Salmon Mountains, Marble Mountain Wilderness Area, English P (w Siskiyou County) 2133 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-BC299466  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Siskiyou Mts. 1859 Comment
  CAS-BOT-BC299468  Ericameria nauseosa var. speciosa Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC299469  Ericameria nauseosa var. speciosa Geo. D. Butler 1910-8-7 1824 Siskiyou Yreka Comment
  CAS-BOT-BC299472  Ericameria nauseosa var. speciosa Gilbert J. Muth 1969-8-10 1347 Siskiyou Ridge west of Boulder Peak 2316 Comment
  HSC29242  Erigeron aliceae Frederick W. Oettinger, R. F. Thorne 1969-8-4 1185 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  HSC76938  Erigeron aliceae K. T. Stillman 1976-8-7 207 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  OBI80253  Erigeron aliceae David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  RSA14491  Erigeron aliceae Elmer I. Applegate 1923-9-7 3950 Siskiyou Doggett Ridge, Siskiyou Mts., Klamath River Watershed. Comment
  UC1333338  Erigeron aliceae Dorothy Parker 1968-7-18 1024 Siskiyou Salmon Cut Siskiyou Mountains, Salmon Cut 1828 Comment
  UC922286  Erigeron aliceae Annie M. Alexander and Louise Kellogg 1949-7-19 5807 Siskiyou in meadows on trail up Kelsey Cr. (Paradise Lake); Marble Mountains, , Kelsey Cr. 2072 Comment
  HSC19165  Erigeron cervinus J. O. Sawyer 1969-7-10 1284 Siskiyou East facing slope above Sugar Lake 2226 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
  CAS-BOT-BC294908  Erigeron chrysopsidis var. austiniae Gilbert J. Muth 1969-8-6 1216 Siskiyou Boulder Peak Comment
  CAS-BOT-BC294909  Erigeron chrysopsidis var. austiniae E. K. Balls 1950-5-17 14717 Siskiyou 1 mi. N. of rd. branching to Black Crater. Lava Beds Nat'l Monument 1402 Comment
  CAS-BOT-BC297113  Erigeron compositus Alice Eastwood 1912-8-30 2023 Siskiyou Mount Eddy Comment
  HSC46718  Erigeron compositus William J. Ferlatte 1976-9-22 1859 Siskiyou Dorleska summit 2134 Comment
  UC904778  Erigeron filifolius W. Bridge Cooke 1949-8-26 25680 Siskiyou along logging road above Bolam Station; Mount Shasta 1828 Comment
  HSC29200  Erigeron foliosus var. confinis Frederick W. Oettinger 1967-7-26 201 Siskiyou Along ridge 20yds N of where trail crosses gap between Tom's and Hancock Lake basins 2146 Comment
  HSC39257  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-2 1698 Siskiyou E facing slope W of Little Duck Lake 2317 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
  HSC72381  Erigeron greenei J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8965 Siskiyou 1/2 mile N of Siskiyou County line on Hwy. 3 Comment
  JEPS29179  Erigeron klamathensis Lauramay T. Dempster 1961-7-2 1855 Siskiyou ridge w Salmon Mountain Summit (sw of Etna) 1828 Comment
  UC1539990  Erigeron linearis Roseberry 1936-5-21 42 Siskiyou 1 mi ne Whitney Butte; Lava Beds National Monument Comment
  CAS-BOT-BC295803  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  POM211820  Erigeron petrophilus var. viscidulus L. C. Wheeler 1934-8-24 3219 Siskiyou Trapper Creek. 1860 Comment
  POM52134  Erigeron petrophilus var. viscidulus C. F. Baker 1903-8-18 887 Siskiyou Mt. Eddy 2287 Comment
  RSA357588  Erigeron petrophilus var. viscidulus L. C. Wheeler 1934-8-14 3140 Siskiyou Siskiyou Mountains: Western end of White Mt. 1768 Comment
  CAS-BOT-BC295813  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  RSA0030732  Erigeron petrophilus var. viscidulus L. C. Wheeler 1934-8-14 3140 Siskiyou Siskiyou Mountains: Western end of White Mt. 1768 Comment
  CAS-BOT-BC300092  Erigeron philadelphicus W. R. Dudley 1893-6-1 s.n. Siskiyou P. Klinks Meadow, near Sisson Comment
  JEPS57185  Erigeron tener L. R. Heckard 1967-8-13 1689 Siskiyou near summit of Mt. Eddy 2712 Comment
  CAS-BOT-BC224144  Eriodictyon californicum Carl B. Wolf 1927-8-26 1001 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC224145  Eriodictyon californicum W. B. Cooke; V. G. Cooke 1970-7-22 42698 Siskiyou 7 mi. ne. of Weed, along US-97, Mt. Shasta Comment
  HSC70316  Eriodictyon californicum M. A. Baker 1980-6-20 2212 Siskiyou Near Bald Mtn. 1036 Comment
  UCSB14917  Eriodictyon californicum 1962-6-11 Siskiyou 7.4 miles southwest of Scott Bar 624 Comment
  UC1324595  Eriogonum baileyi var. baileyi W. B. and V. G. Cooke 1966-7-16 37216 Siskiyou along old logging road above Bolam Station; Mt. Shasta 1524 Comment
  LA88832  Eriogonum baileyi var. baileyi 1966-9-11 s.n. Siskiyou Comment
  CAS-BOT-BC248837  Eriogonum compositum var. compositum H. L. Mason 1931-5-9 5865 Siskiyou Shasta Creek Comment
  JEPS95825  Eriogonum compositum var. compositum Vernon H. Oswald and L. Ahart 1999-7-5 9803 Siskiyou Gazelle-Callahan Hwy. 11.1 mi west of Gazelle, 0.4 mi east of summit of Gazelle Mtn.: T42N R7W Sect. 34, 3800 ft, oak woodland 1158 Comment
  SJSU2594  Eriogonum compositum var. compositum H. L. Buckalew 1962-7-12 Siskiyou Poker Flat c. 3 mi W of junction of Indian Crwith W Branch Indian Cr, Siskiyou Mts 1127 Comment
  CAS-BOT-BC242533  Eriogonum congdonii Dorothy Parker 1948-8-19 222 Siskiyou Near Chinquapin, on Scott Mountain 1524 Comment
  JEPS105113  Eriogonum congdonii Dean W. Taylor 1993-7-30 13989 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  JEPS84297  Eriogonum douglasii var. douglasii L. R. Heckard with J. Hickman et al. 1986-7-17 6544 Siskiyou ca 1 mi ne Buckhorn 2100 Comment
  CHSC71591  Eriogonum elatum var. villosum Vernon H. Oswald; Lowell Ahart 1998-8-3 9409 B Siskiyou USFS 41N03 1.0 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. 1524 Comment
  RSA15652  Eriogonum elatum var. villosum Carl B. Wolf 1927-8-26 1002 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UC85862  Eriogonum elatum var. villosum T. S. Brandegee July 1887 Siskiyou Ager Comment
  UCD19115  Eriogonum elatum var. villosum A. M. Shapiro 1986-7-16 s.n. Siskiyou Ball Mountain. 1981 Comment
  CAS-BOT-BC259365  Eriogonum lobbii John Thomas Howell 1937-7-24 13420 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC259364  Eriogonum lobbii Clare B. Hardham 1965-8-20 13033 Siskiyou Marble Mountains, Cudahy Lakes Comment
  SEINET5330461  Eriogonum luteolum L. Wheeler 1934-6-28 2811 Siskiyou Beaver Creek at West Fork, Siskiyou Mts., 701 Comment
  CAS-BOT-BC263662  Eriogonum luteolum var. luteolum Carl B. Wolf 1927-8-26 1010 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC42988  Eriogonum marifolium J. P. Smith, Steve Selva 1970-8-8 4560 Siskiyou Comment
  RSA393650  Eriogonum marifolium George B. Grant 1902-9-7 5091 Siskiyou Mt. Shasta 2439 Comment
  CAS-BOT-BC263181  Eriogonum marifolium var. cupulatum A. A. Heller 1914-8-28 11741 Siskiyou East side of Mt. Eddy 2194 Comment
  CHSC110786  Eriogonum marifolium var. cupulatum Dean Wm. Taylor 2012-8-22 21301 Siskiyou Mt. Shasta vicinity; Pilgrim Creek Snowmobile Park, growing on the north shoulder Pilgrim Creek Road (Forest Road 12) about 200 meters east thereof; Shasta-Trinity National Forest. 1210 Comment
  CHSC4548  Eriogonum marifolium var. marifolium J. E. Bowlin 1967-7-18 52 Siskiyou Ca. 15 yds. above the parking lot and restaurant at Mount Shasta Ski Bowl. Ca. 15.5 mi from the city of Shasta (center of the city). Comment
  UC1540141  Eriogonum microthecum var. ambiguum Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9254 Siskiyou on northern interior rim of crater Lava Beds National Monument, Caldwell Butte 1499 Comment
  CAS-BOT-BC261674  Eriogonum nudum var. nudum W. R. Dudley 1899-8-22 s.n. Siskiyou Above Callahan's Comment
  CAS-BOT-BC261675  Eriogonum nudum var. nudum Doris K. Kildale 1928-7-3 5431 Siskiyou Forks of Salmon, Salmon River 365 Comment
  CHSC71592  Eriogonum nudum var. nudum Vernon H. Oswald; Lowell Ahart 1998-8-3 9451 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 1.2 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. Roadside. 1767 Comment
  HSC75193  Eriogonum nudum var. nudum K. T. Stillman 1976-8-7 358 Siskiyou Marble Mountain Wilderness Area Comment
  UC849640  Eriogonum nudum var. nudum A. A. Heller 1915-4-26 12246 Siskiyou Wagon Creek at foot of Mt. Eddy Mt. Eddy, Wagon Creek 1127 Comment
  HSC19504  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-3 1056 Siskiyou SE facing slope above Horse Range Creek 1616 Comment
  RSA105481  Eriogonum nudum var. nudum Douglas Barbe 1955-6-28 9 Siskiyou 0.2 mile north of Callahan. 976 Comment
  JEPS56591  Eriogonum nudum var. oblongifolium Geo. D. Butler 1908-7-2 212 Siskiyou Yreka Comment
  SBBG64165  Eriogonum nudum var. oblongifolium A. A. Heller 1927-8-2 14443 Siskiyou ca. 3 mi S of Yreka Comment
  POM105412  Eriogonum nudum var. pubiflorum George B. Grant 1902-9-10 3500 Siskiyou Sissons [town of Mount Shasta] Comment
  UC61676  Eriogonum nudum var. pubiflorum Geo. B. Grant Sept. 1902 5137 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  JEPS56534  Eriogonum pyrolifolium Willis L. Jepson 1897-8-4 14777 Siskiyou spring near Horse Camp (near snow line); Mt. Shasta Comment
  SEINET10733992  Eriogonum pyrolifolium Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 866 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  UC618620  Eriogonum pyrolifolium W. Bridge Cooke 1938-8-18 11495 Siskiyou Horse Camp Slopes Mount Shasta, Horse Camp Slopes Comment
  CAS-BOT-BC252963  Eriogonum pyrolifolium var. pyrolifolium Alice Eastwood 1912-9-1 2075 Siskiyou Mount Shasta Comment
  CAS-BOT-BC267708  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  JEPS128833  Eriogonum siskiyouense Julie Kierstead Nelson with Rhonda Posey 2017-7-18 2017 -045 Siskiyou Eastern Klamath Ranges; Forest Service Road 41N14 Y, 0.1 mile west of Parks Creek Road (County Road 17). Comment
  RSA120632  Eriogonum spergulinum var. reddingianum G. D. Barbe 1955-7-17 207 Siskiyou 1 mile. S of Toomes Camp on the country road. West slope. 1890 Comment
  RSA123624  Eriogonum sphaerocephalum G. D. Barbe 1955-6-28 s.n. Siskiyou 0.3 mi. north of Callahan on dry, rocky hillside. 1006 Comment
  CAS-BOT-BC263392  Eriogonum strictum var. proliferum L. E. Smith 1915-6-1 s.n. Siskiyou Yreka Comment
  UC727196  Eriogonum strictum var. proliferum A. A. Heller 1918-7-16 13028 Siskiyou Mt. Eddy 2682 Comment
  SD53393  Eriogonum ternatum D. F. Howe 1962-8-2 3384 Siskiyou Baldy Mt. 1431 Comment
  SBBG1638  Eriogonum umbellatum H. and M. Dearing 1938-6-27 2175 Siskiyou E of Bartle 1066 Comment
  HSC62449  Eriogonum umbellatum Ruby Van Deventer 1939-7-19 Siskiyou Twin Valley Comment
  CAS-BOT-BC267974  Eriogonum umbellatum var. argus H. A. Thomas; J. H. Thomas 1954-7-24 4487 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC267983  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Jaynes Canyon, Siskiyou Mts. 1950 Comment
  SDSU7196  Eriogonum umbellatum var. argus D. F. Howe 1965-8-8 4123 Siskiyou South side of Little Grayback, Klamath National Forest. 1463 Comment
  UC718151  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou 3.6 mi on road to Horse Creek Dry Lake Lookout; Siskiyou Mts. 1981 Comment
  RSA420577  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  JEPS56184  Eriogonum umbellatum var. dumosum W. L. Jepson 1914-8-14 6166 Siskiyou Dunsmuir 670 Comment
  JEPS109256  Eriogonum umbellatum var. goodmanii D. W. Taylor 2002-7-27 18278 Siskiyou Salmon Mountains, logging road ca 1 mile N of Carter Meadow Summit, 8 miles SW of Callahan. Comment
  RSA0033767  Eriogonum umbellatum var. goodmanii Barbara Ertter 1990-7-14 9312 Siskiyou E side Mt. Eddy ca. 4 airmiles due W of Mt. Shasta City, at streamlet near end of FR 41N53 ca. 1 mi. N of Morgan Meadows. 1676 Comment
  RSA238990  Eriogonum umbellatum var. goodmanii Frederick W. Oettinger 1966-6-27 30 Siskiyou About 600 yds up road from Crawford Creek, Guard Station, Salmon River District, Klamath Nat. Forrest, Cevilville. Comment
  CAS-BOT-BC268144  Eriogonum umbellatum var. humistratum Wm. Bridge Cooke 1940-7-26 15369 Siskiyou Mount Shasta. Along Diller Canyon Comment
  CAS-BOT-BC268145  Eriogonum umbellatum var. humistratum Wm. Bridge Cooke 1938-8-24 11581 Siskiyou Mount Shasta. Near Bolam Creek Comment
  RSA0033766  Eriogonum umbellatum var. humistratum Barbara Ertter 1990-7-14 9327 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 airmiles W of Mt. Shasta City; open rocky dry ridge S of & above creek. 1950 Comment
  UC635432  Eriogonum umbellatum var. humistratum D. Tebbe 1929-7-18 129 Siskiyou Mount Eddy Comment
  RSA197050  Eriogonum umbellatum var. nevadense Noel Holmgren, James L. Reveal 1966-6-9 2675 Siskiyou Siskiyou mountains, Shasta River Canyon, US 99, 5 mi. north of Yreka. 854 Comment
  UC536686  Eriogonum umbellatum var. nevadense D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou caves 11 mi ne Weed 1097 Comment
  HSC62631  Eriogonum umbellatum var. polyanthum Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  RSA50196  Eriogonum vimineum E. K. Balls 1949-7-8 13908 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  UC711888  Eriogonum vimineum Roxana S. Ferris and Laura Lorraine 1941-8-12 10509 Siskiyou at Petroglyphs n end of Tule Lake, n boundary of Modoc Lava Beds National Monument Modoc Lava Beds National Monument, Tule Lake Comment
  CAS-BOT-BC262384  Eriogonum vimineum Louis C. Wheeler 1934-6-28 2811 Siskiyou Klamath National Forest. Beaver Creek 701 Comment
  CAS-BOT-BC262385  Eriogonum vimineum Louis C. Wheeler 1934-6-28 2811 Siskiyou Klamath National Forest. Beaver Cr. 701 Comment
  JEPS19775  Eriophorum crinigerum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5953 Siskiyou Gumboot Lake South Fork of Sacramento River (springy bog at w end, headwaters of river, close to Trinity Co.) 1859 Comment
  OBI53732  Eriophyllum lanatum David J. Keil 1992-7-19 23465 Siskiyou Klamath NF. Salmon Mtn Summit on Sawyers Bar Rd, SW of Etna 1816 Comment
  CAS-BOT-BC301131  Eriophyllum lanatum var. achilleoides A. M. Vollmer; L. Beane 1951-6-2 40 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  UC195247  Eriophyllum lanatum var. achilleoides Annie M. Alexander and Louise Kellogg 1911-6-6 115 Siskiyou Gazelle Comment
  HSC2272  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mt. 1067 Comment
  RSA120934  Eriophyllum lanatum var. integrifolium G. D. Barbe 1957-7-14 392 Siskiyou Salmon River W/S of private road about 1 mile south of boundary-gate of Salmon-Trinity Alps Primative Area, Klamath National Forest, south of Big Flat Public Camp 1524 Comment
  CAS-BOT-BC301712  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-6-23 1602 Siskiyou Yreka Creek Comment
  POM358043  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1945-7-19 9218 Siskiyou Klamath National Forest; Marble Mts. Comment
  UCR51758  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1944-6-25 9019 Siskiyou Siskiyou Mtns,, Beaver Creek. (Coastal Northern California). 1325 Comment
  CAS-BOT-BC124135  Eriophyllum rixfordii G. P. Rixford s.n. Siskiyou South side of Shaft Rock Mt., near Hilt Comment
  RSA15584  Eryngium articulatum C. B. Wolf 1927-8-27 7744 Siskiyou On the Klamath River at the mouth of Dillon Creek Comment
  HSC74908  Erysimum capitatum var. capitatum J. P. Smith 1978-7-1 9958 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  RSA238403  Erysimum capitatum var. perenne Frederick W. Oettinger 1968-8-17 564 Siskiyou Bear Meadows, Pine Lake Basin. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  HSC6755  Erysimum capitatum var. purshii R. C. Wunner 1965-6-6 99 Siskiyou Lava Beds National Monument, between Upper and lower Caldwell Ice Caves 1402 Comment
  HSC192  Erysimum perenne William J. Ferlatte 1967-8-21 1070 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC77034  Erysimum perenne K. T. Stillman 1976-6-17 14 Siskiyou Marble Mtn. Wilderness Area, upper end of Elk Valley 1768 Comment
  HSC91049  Erysimum perenne Jennifer Whipple 1976-6-24 1131 Siskiyou N slopes of Mt. Eddy 2439 Comment
  JEPS74430  Erysimum perenne W. J. Ferlatte 1966-7-6 184 Siskiyou Caribou Mtn. Trinity Alps 2468 Comment
  CHSC118627  Erythranthe guttata Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -029 Siskiyou Lower Parks Creek watershed, E Klamath Range; slope above Forest Service Road 42N19, 4 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539166m E, 4587170m N. 1529 Comment
  SEINET3991631  Erythronium citrinum Unknown 1932-4-15 7059 Siskiyou Quartz Valley , near Fort Jones Comment
  RSA28186  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  SEINET3991732  Erythronium grandiflorum Unknown 1901-6-1 Siskiyou Marble Mtn. Comment
  HSC30414  Erythronium grandiflorum subsp. grandiflorum Frederick W. Oettinger 1968-8-12 600 Siskiyou Marble Mtn. Wilderness Area. above Diamond Lake on ridge to English Peak 2134 Comment
  UC1083341  Erythronium hendersonii Herbert L. Mason 1931-5-9 5861 a Siskiyou Siskiyou Summit Comment
  RSA445608  Eschscholzia californica subsp. californica J. P. Smith 1973-5-5 6541 Siskiyou Scott Bar along the Scott River. Comment
  SEINET5708609 Image available Eucephalus glabratus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7703 Siskiyou Scott Mts., Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 2036 Comment
  SD241733  Eucephalus ledophyllus Dean Wm. Taylor 1999-8-12 17314 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley). 1890 Comment
  RSA184656  Eucephalus ledophyllus var. covillei Clare B. Hardham 1965-08 13005 Siskiyou Near Cudahy Lakes, Marble Mountains 1524 Comment
  HSC27670  Euphorbia crenulata Carl W. Mize 1972-6-8 23 Siskiyou Along main trail 335 Comment
  UCR9594  Euphorbia esula D. O. Clark 1970-6-23 s.n. Siskiyou 2.5 mi. NW of Dorris, on E side of Mathews Road, 1.5 mi. north of Picards Road. Comment
  UC1971261  Euphorbia maculata Louis C. Wheeler 1963-8-23 8266 Siskiyou KLAMATH RIVER: Walker (near Oak Knoll). Comment
  HSC42923  Eurybia radulina Ken Stillman 1976-8-31 463 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  UC163873  Euthamia occidentalis Geo. D. Butler 1908-9-25 500 Siskiyou near Montague; Shasta River Comment
  SEINET3244013  Euthamia occidentalis G. D. Butler 1910-1 1859 Siskiyou Oro Fins. Comment
  CAS-BOT-BC413901  Fallopia convolvulus Alice Eastwood 1912-7-22 1314 Siskiyou Sisson Comment
  HSC65339  Festuca californica J. P. Smith 1973-5-5 6428 Siskiyou Along Cook and Green Pass Rd. Comment
  SEINET10560462  Festuca californica A. Arthur Heller 1905-6-1 Heller 7944 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  HSC103047  Festuca idahoensis J. P. Smith 2014-6-7 13905 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1701 Comment
  HSC27480  Festuca idahoensis J. P. Smith, J. O. Sawyer 1972-5-28 5384 Siskiyou 0.2 mi. E of Butcher Gulch on the Cecilville-Forks of Salmon road. 732 Comment
  HSC64369  Festuca idahoensis Don Bateman 1980-5-20 Siskiyou 12 mi. E of Mt. Hebron 1415 Comment
  RSA239116  Festuca idahoensis Frederick W. Oettinger 1969-9-2 1585 Siskiyou Bear Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA414217  Festuca idahoensis L. C. Wheeler 1935-6-9 3560 Siskiyou Siskiyou Mounatins, Yreka Creek 1220 Comment
  SEINET184870 Image available Festuca ovina C. L. Hitchcock, JS Martin 1939-7-9 5321 Siskiyou 1/2 mi SE of King's Castle Marble Mtns 1829 Comment
  UC1265439  Festuca pratensis F. W. Oettinger 1969-8-16 1402 Siskiyou near, w Siskiyou County English Lake; Salmon Mountains, Wiregrass Meadow 1676 Comment
  JEPS57224  Festuca roemeri L. R. Heckard 1967-8-13 1711 Siskiyou e flank Mt. Eddy 2727 Comment
  UC593536  Festuca roemeri E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1894 Siskiyou 2 mi s Yreka 822 Comment
  CHSC79931  Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-2 8127 Siskiyou Klamath National Forest; road cut where old highway intersects modern one, on Highway 3, 6.7 miles by road SW of the Yreka city limits (road marker at site says 003/SIS/40.00). 1127 Comment
  CAS-BOT-BC279068  Festuca rubra Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  RSA238398  Festuca subulata Frederick W. Oettinger 1969-9-4 1655 Siskiyou Margin of dry meadow below Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1735838  Festuca viridula Dean W. Taylor 1999-8-12 17311 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  SEINET11915235  Fragaria californica H. P. Chandler 1901-1 1569 Siskiyou nr Marble Mtn - North Coast Ranges 1829 Comment
  CAS-BOT-BC437074  Fragaria vesca subsp. bracteata A. A. Heller 1916-6-20 12406 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC437075  Fragaria vesca subsp. bracteata Alice Eastwood 1922-10-18 11517 Siskiyou Shasta Springs Comment
  CAS-BOT-BC457570  Fragaria vesca subsp. californica Doris K. Kildale 1929-4-27 7555 Siskiyou Cecilville Comment
  HSC69501  Fragaria virginiana J. O. Sawyer, J. Cole 1980-7-20 3740 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC67688  Frangula californica John Palmer 1980-7-24 634 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC30668  Frangula purshiana Frederick W. Oettinger 1968-8-23 617 Siskiyou Marble Mtn. Wilderness Area, midway down spillway from Diamond Lake to upper English Lake 1921 Comment
  CAS-BOT-BC55718  Frangula rubra subsp. obtusissima L. E. Smith 1913-6-29 s.n. Siskiyou Rainbow Comment
  RSA761385  Frasera Barbara Ertter 1990-7-14 9304 Siskiyou E side Mt. Eddy ca 4 airmiles due W of Mt. Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan meadows. 1677 Comment
  SEINET10495780  Frasera albicaulis David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17939 Siskiyou 9 mi N of Weed, on US Hwy 97, at Whitney Creek. Sw-facing slope; volcanic (pumice) some sedimentary loamy soil; assoc. with Pinus ponderosa, Artmisia, Bromus, and Arctostaphylos. 1250 Comment
  HSC16197  Fraxinus latifolia C. B. Wolf 1927-8-26 998 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  POM211258  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  HSC36976  Fritillaria atropurpurea J. P. Smith 1974-5-26 7580 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  JEPS61893  Fritillaria atropurpurea W. L. Jepson 1902-7-17 2077 Siskiyou Salmon Summit, Summit of Salmon divide, Western Siskiyou County Salmon Summit 2286 Comment
  CAS-BOT-BC502844  Fritillaria atropurpurea Ira L. Wiggins 1950-5-28 12382 -A Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  CAS-BOT-BC502845  Fritillaria atropurpurea Ira L. Wiggins 1950-5-28 12390 Siskiyou Hillside .3 mile west of Carmen Lake 1706 Comment
  UC28171  Galium aparine T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC618908  Galium bifolium W. Bridge Cooke 1938-7-1 11146 Siskiyou below Wagon Camp (near creeks); Mount Shasta Comment
  JEPS93919  Galium bolanderi Vernon H. Oswald and Lowell Ahart 1998-8-3 9412 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1493 Comment
  UC163753  Galium bolanderi Geo. D. Butler 1908-6-28 414 Siskiyou hill e Oro Fino Comment
  UC618721  Galium bolanderi W. Bridge Cooke 1938-9-2 11595 Siskiyou Sisson Southern Trail Mount Shasta Comment
  UC888783  Galium bolanderi Lewis S. Rose 1937-7-26 37603 Siskiyou 3 mi e Mt. Shasta 1371 Comment
  JEPS26663  Galium bolanderi Lauramay T. Dempster 1961-7-2 1846 Siskiyou Sugar Pine Gulch Scott River (s of Steelhead) Comment
  UC416643  Galium boreale subsp. septentrionale W. A. Setchell, C. C. Dobie 1902-7-23 Siskiyou Hearst Castle Comment
  SD70495  Galium glabrescens F. Ehrendorfer, Stebbins, Dempster 1959-9-26 5963 Siskiyou I(c) mile south-southeast of Castle Lake, southwest of Mount Shasta Village 1830 Comment
  CAS-BOT-BC94861  Galium glabrescens subsp. glabrescens R. C. Wenk 2006-7-23 526 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow, along Yellow Rose Mine Trail to Dorleska Mine 2118 Comment
  CAS-BOT-BC94860  Galium glabrescens subsp. glabrescens R. C. Wenk 2005-7-20 352 Siskiyou National Forest Road 17, 1 mile down road to the north heading toward Mt. Shasta 2029 Comment
  JEPS33853  Galium grayanum Gilbert Muth 1966-7-22 437 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  UC1211891 Image available Galium serpenticum subsp. scotticum Lauramay T. Dempster and Clare Hardham 1961-7-3 1877 Siskiyou about 2 mi below (i.e. e of) summit (on road sw of Callahan); ; Siskiyou Co. 1828 Comment
  UC1475695  Galium serpenticum subsp. scotticum Clifton and Ground 1978-6-30 1661 Siskiyou near Forest House (close to town of Yreka); Yreka Quadrangle 1098 Comment
  UC1971397  Garrya buxifolia Louis C. Wheeler 1958-8-18 7395 Siskiyou West Fork Seiad Creek. Comment
  HSC30218  Garrya fremontii William J. Ferlatte 1968-6-8 1129 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC8398  Garrya fremontii C. B. Wolf 1927-8-26 1045 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  SEINET3144594  Garrya fremontii G. D. Butler 1910-3-12 1125 Siskiyou Hill near Yreba 1067 Comment
  HSC30575  Gaultheria ovatifolia Frederick W. Oettinger 1968-9-8 785 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, English Lake 1753 Comment
  RSA238356  Gaultheria ovatifolia Frederick W. Oettinger 1968-9-8 785 Siskiyou Along the e. shore of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA604467  Gaultheria shallon L. C. Wheeler 1959-7-25 7595 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UC2028811  Gayophytum diffusum subsp. diffusum Neal Kramer 2012-7-20 2066 Siskiyou Approx. 1.5 miles west of Etna. Comment
  RSA12497  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1934-7-4 5940 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  UC164345  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-3 165 Siskiyou Lake Long Comment
  HSC29480  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-12 1351 Siskiyou Salmon Mtns., above Willow Spring on English Lake Trail 1677 Comment
  POM38543  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-8 163 Siskiyou Near lake at head of West Fork of Woolly Creek Comment
  RSA34394  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1947-8-9 17790 Siskiyou Around Horse Camp, Mount Shasta. 2439 Comment
  RSA34680  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke, V. G. Cooke 1946-9-2 17645 Siskiyou At Horse Camp, Mount Shasta 2439 Comment
  CHSC1133  Gayophytum heterozygum V. Holt 1932-7-15 Siskiyou S.S. Campus, Mt. Shasta City. 1097 Comment
  POM38653  Gayophytum heterozygum Geo. D. Butler 1910-7-3 1630 Siskiyou Goosenest Foothills 1220 Comment
  UCD103563  Gayophytum heterozygum J. M. Tucker 1950-7-24 1946 Siskiyou Outskirts of town of Mt. Shasta, beside Highway 99. Comment
  RSA600334  Gayophytum humile Louis C. Wheeler 1935-7-24 3691 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1951 Comment
  JEPS57165  Gentiana calycosa L. R. Heckard 1967-8-12 1656 A Siskiyou ca 10 mi from U. S. Highway 99 (n of Weed, along logging road heading s of Stewart Springs) 1950 Comment
  HSC34493  Gentiana calycosa A. M. Montalvo, J. D. Ackerman 1974-8-17 421 Siskiyou W slope of Preston Peak, 0.5 mi. N of Rattlesnake Meadow 1646 Comment
  RSA22179  Gentiana calycosa J. T. Howell 1939-8-8 15145 Siskiyou Marble Mountains: Black Mountain. Comment
  UC1059019  Gentianopsis simplex A. H. Murphy 1956-8-16 56 R Siskiyou Klamath Nat'l Forest, Big Marshy Meadows 1981 Comment
  UC172723  Geum aleppicum Katharine Brandegee 1887-7-1 Siskiyou Sisson Comment
  CAS-BOT-BC459622  Geum macrophyllum L. E. Smith 1913-6-12 396 Siskiyou Road from Sissson to Castle Lake Comment
  UC375378  Geum triflorum Geo. D. Butler 1910-6-19 1578 Siskiyou Goosenest Foothills 1524 Comment
  POM140064  Geum triflorum var. ciliatum Geo. D. Butler 1909-6-23 922 Siskiyou Goosenest Foothills. Comment
  POM75060  Gilia capitata Geo D. Butler 1908-8-6 32 Siskiyou Summit above Cold Spring, [Molly] Creek Comment
  UC879897  Gilia capitata subsp. capitata Alice Eastwood 1912-7-17 1165 Siskiyou Sisson Comment
  JEPS11817  Githopsis specularioides Geo. D. Butler 1909-4-26 613 Siskiyou Oro Fino Comment
  JEPS125866  Glossopetalon spinescens Dean W. Taylor 1996-7-10 15769 Siskiyou Head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley, about 10 air miles E of Etna Comment
  CAS-BOT-BC282721  Glyceria elata Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  HSC22096  Glyceria elata J. O. Sawyer 1968-7-10 509 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC26621  Glyceria elata J. P. Smith, Steve Selva 1970-6-15 3916 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CDA28233  Glyceria elata T. C. Fuller 1975-10-23 20114 Siskiyou North side of Klamath River Hwy, Hwy 96, 1 mile west of Happy Camp. 0 Comment
  HSC30666  Glyceria striata Frederick W. Oettinger 1969-9-4 1654 Siskiyou Salmon Mtns., Tobacco Lake. 1890 Comment
  HSC31072  Glyceria striata Frederick W. Oettinger 1969-8-19 1468 Siskiyou Marble Mtn. Wilderness Area, SW of Arrow Peak, N of English Lake. 1860 Comment
  UC165256  Gnaphalium palustre Geo. D. Butler 1910-6-12 1560 Siskiyou Yreka Creek Comment
  NY169619  Grindelia nana var. turbinella A. A. Heller 1917-9-7 12979 Siskiyou Shasta Valley, 10 miles south of Gazelle 914.4 Comment
  JEPS109777  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far western end of town along the old highway to Yreka. Comment
  CAS-BOT-BC419706  Hackelia bella Mary Merello; H. H. Schmidt; L. Woodruff 1993-6-23 702 Siskiyou Shasta Trinity National Forest County Road A-10 (Everitt Memorial Hwy.) along roadside at the John Everitt Vista Point. 1800 Comment
  CHSC9491  Hackelia californica J. F. Goodwin 1971-7-3 133 Siskiyou 0.1 mi. south of road at Multiple Use Area, 4.9 mi. south of Mt. Shasta Ski Bowl area. 1889 Comment
  RSA68887  Hackelia californica A. E. Culbertson 1943-7-3 69 Siskiyou Castle Lake, 14 miles s.w. of Mt. Shasta on n. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  RSA77831  Hackelia micrantha E. E. Stanford 1930-8-14 2086 Siskiyou Below summit of Sonora Pass, in open ground in loose soil 2896 Comment
  SBBG124765  Hackelia micrantha C. B. Hardham 1961-7-1 8031 Siskiyou near Mud Springs, Siskiyou Mtns Comment
  UC1409316  Hastingsia alba Frederick W. Oettinger 1968-8-17 561 Siskiyou vicinity English Peak (Pine Lake Meadow, Salmon Mountains, Marble Mountain Wilderness Area, High Lake Basins); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  JEPS11905  Hastingsia alba Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4799 Siskiyou 0.1 mi n of summit of divide w Scott Mountain (along road from Callahan to Carrville and Trinity Center, just n of Trinity-Siskiyou County line) 1615 Comment
  SEINET8480288  Hastingsia alba G. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek. Comment
  HSC19549  Hastingsia serpentinicola J. O. Sawyer 1969-7-24 1505 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  CHSC118632  Hastingsia serpentinicola Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -007 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539582m E, 4586490m N. 1371 Comment
  HSC62043  Hazardia whitneyi var. discoidea Ruby Van Deventer 14 Aug [year missing] Siskiyou Raspberry Lake 2 mi. W of Copper Mtn. Comment
  POM211741  Hazardia whitneyi var. discoidea L. C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Siskiyou Mts. Mt. Diablo Mer. 2165 Comment
  SBBG8384  Helenium bigelovii H. and M. Dearing 1939-6-30 3756 Siskiyou rd from Callahan to Trinity Alps 1828 Comment
  OBI55478  Helenium bigelovii David J. Keil, Kathleen Keil 1992-7-21 23529 Siskiyou Klamath Natl Forest sE of Callahan. forest Rd 40N08, 0.5 mi W of Scott Mtn rd (hwy 3) Comment
  POM66661  Helenium bigelovii Geo D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek. Comment
  SEINET11196739 Image available Helenium bigelovii I. L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon River, just above mouth of Blind Horse Creek 887 Comment
  CAS-BOT-BC314837  Helianthella californica var. shastensis Alice Eastwood 1912-7-17 1170 Siskiyou Sisson Comment
  SEINET11835695  Helianthella californica var. shastensis H. P. Chandler 1901-1 1535 Siskiyou Klamath River 427 Comment
  UC166239  Helianthus bolanderi Geo. D. Butler 1908-8-27 337 Siskiyou near Oro Fino Comment
  UC618740  Heracleum lanatum W. Bridge Cooke 1938-7-15 11186 Siskiyou along middle of Bear Spring creek Bear Springs; Mt.Shasta, Bear Springs Comment
  JEPS1674  Hesperochiron californicus Doris Utz 1934-4-18 Siskiyou Etna Comment
  JEPS116583  Hesperolinon micranthum Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -018 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N84 Mt. Shasta (Hotlum Fire area burned Feb 2006 ca. 4 mi NE of town of Weed.) 1249 Comment
  HSC77759  Heterocodon rariflorum L. P. Janeway 1983-9-11 672 Siskiyou Poker Flat 1524 Comment
  SEINET10906087  Heterocodon rariflorum A. Arthur Heller Heller 12410 Siskiyou BASE OF MT. EDDY Comment
  HSC18658  Heteromeles arbutifolia C. B. Wolf 1927-8-27 1151 Siskiyou On Klamath River, 6 mi. above the mouth of Salmon River Comment
  CAS-BOT-BC312300  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Ridge near Marble Mt. Lookout Comment
  JEPS104828  Heuchera merriamii Dean W. Taylor 1996-7-11 15778 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  HSC27676  Heuchera micrantha Carl W. Mize 1972-6-8 33 Siskiyou Along trail near to Deer Lick Creek 274 Comment
  CAS-BOT-BC420938  Heuchera micrantha var. diversifolia D. E. Breedlove 1962-6-11 3348 Siskiyou On moist bank of Canyon Creek with Pinus ponderosa and Salix so., abour 20 miles west of Fort Jones; Marble Mountains 914 Comment
  CAS-BOT-BC420939  Heuchera micrantha var. diversifolia G. P. Rixford No date on label s.n. Siskiyou Hilt Comment
  UC1483492  Hieracium albiflorum J. Sawyer and J. Cole 1980-7-22 3927 Siskiyou nw slopes Cedar Mtn.; Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  HSC76732  Hieracium albiflorum K. T. Stillman 1976-8-7 390 Siskiyou Marble Mountain Wilderness Area, trail from Black Mtn. camp to Jump off Comment
  CDA39086  Hieracium aurantiacum Marla Knight 2013-7-2 1194 Siskiyou Quartz Valley; Private property. 0 Comment
  CAS-BOT-BC318508  Hieracium bolanderi J. P. Smith; J. O. Sawyer 1975-10-23 8488 Siskiyou Unspecified 1767 Comment
  CHSC69070  Hieracium greenei Vernon Oswald; Lowell Ahart 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi south of Medicine Lake Road. 1700 Comment
  UC1012436  Hieracium greenei W. Bridge Cooke 1941-8-15 16184 Siskiyou n of Cascade Gulch; Mount Shasta 1676 Comment
  CAS-BOT-BC316007  Hieracium nudicaule H. A. Thomas; J. H. Thomas 1954-7-25 4524 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC316017  Hieracium nudicaule Alice Eastwood 1921-7-29 10976 Siskiyou Bear Spring on road to Medicine Lake Comment
  UC1190107  Hieracium nudicaule Ira L. Wiggins 1955-7-27 13522 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  RSA275402  Hieracium scouleri J. O. Sawyer, E. Cope 1977-6-18 2909 Siskiyou Along Clear Creek trail below Ten Mile Creek. 457 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
  CAS-BOT-BC320110  Hieracium triste J. M. Tucker 1950-7-23 1942 Siskiyou Panther Meadows, south slope of Mount Shasta 2407 Comment
  HSC22178  Hieracium triste J. O. Sawyer 1969-8-3 1726 Siskiyou W of Little Duck Lake 2195 Comment
  HSC29149  Hieracium triste Frederick W. Oettinger 1969-9-5 1673 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Upper English Lake 1799 Comment
  UC1409289  Hieracium triste Frederick W. Oettinger 1969-9-5 1673 Siskiyou Upper English Lake; Marble Mountain Wilderness Area. 1798 Comment
  CAS-BOT-BC280781  Holcus lanatus G. C. Kimber 1934-6-9 51 Siskiyou Ney Creek, 1/8 mile above junction with Sacramento River 731 Comment
  HSC23604  Holodiscus discolor J. O. Sawyer 1970-7-15 2351 Siskiyou Above Bear Lake 1585 Comment
  HSC93  Holodiscus discolor William J. Ferlatte 1966-8-4 305 Siskiyou Dorleska summit 2134 Comment
  RSA237609  Holodiscus discolor Frederick W. Oettinger 1968-8-13 503 Siskiyou Southeast side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA449787  Holodiscus discolor M. B. Dunkle 1944-7-15 9095 Siskiyou Siskiyou National Forest. Comment
  CAS-BOT-BC152384  Holodiscus discolor var. discolor John Thomas Howell 1939-8-6 15106 Siskiyou Elk Mt., Marble Mts. Comment
  JEPS95091  Holodiscus microphyllus var. glabrescens Vernon Oswald and Lowell Ahart 1997-7-28 8773 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  CAS-BOT-BC289275  Hordeum brachyantherum subsp. brachyantherum Geo. D. Butler 1910-6-15 1564 Siskiyou Yreka Creek Comment
  CHSC69099  Hordeum brachyantherum subsp. brachyantherum Vernon Oswald; Lowell Ahart 1997-7-28 8787 Siskiyou Southeast of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  SACT001296  Hordeum nodosum Geo Butler 1910-6-5 Siskiyou Comment
  JEPS96960  Horkelia daucifolia Dean W. Taylor 1997-6-12 16052 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  UC195274  Horkelia daucifolia Annie M. Alexander and Louise Kellogg 1911-6-4 109 Siskiyou Mayten Comment
  POM266007  Horkelia daucifolia Lincoln Constance 1942-5-13 2913 Siskiyou Scott River 2 miles S of Scott Bar. 549 Comment
  UC329976  Horkelia daucifolia J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
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Jun 26 2012
  UC673253  Horkelia daucifolia Lincoln Constance and Reed C. Rollins 1942-5-13 2913 Siskiyou 2 mi s Scott Bar; Klamath Siskiyou Region, Scott River 548 Comment
  UC609363  Horkelia fusca subsp. parviflora Eleanor Burks Hart 1938-8-18 949 Siskiyou ridge above Big Meadow 2377 Comment
  UCSB12366  Horkelia fusca var. pseudocapitata Dearing, Hugh; Dearing, Margaret 1939-6-5 Siskiyou E. of McCloud 1066 Comment
  UCR38388  Horkelia tridentata G. F. Pratt, G. R. Ballmer 1985-6-20 s.n. Siskiyou Castle Lake, c. 6 air mi west of Dunsmuir, Trinity Mtns 1646 Comment
  UC221640  Horkelia tridentata subsp. tridentata H. E. Brown Jul 1 1897-Jul 15 1897 479 Siskiyou n side Mt. Shasta 1524 Comment
  CAS-BOT-BC538246  Horkelia tridentata var. flavescens David D. Keck 1938-8-8 4872 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  CAS-BOT-BC539742  Horkelia tridentata var. flavescens David D. Keck 1938-8-8 4872 Siskiyou Siskiyou Co. at Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  HSC2400  Hosackia oblongifolia William J. Ferlatte 1966-8-18 412 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC61503  Hosackia oblongifolia var. oblongifolia Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  HSC71399  Hosackia oblongifolia var. oblongifolia J. P. Smith, Steve Selva 1970-7-27 4514 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  HSC22098  Hydrophyllum occidentale J. O. Sawyer 1969-7-16 1139 Siskiyou SW facing upper slope SW of Waterdog Lake. 2104 Comment
  HSC627  Hydrophyllum occidentale William J. Ferlatte 1966-7-7 215 Siskiyou N side of Caribou Mtn. 1982 Comment
  HSC99203  Hydrophyllum occidentale Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CAS-BOT-BC312848  Hymenoxys lemmonii Louis C. Wheeler 1934-10-21 3334 Siskiyou Shasta Valley 4 mi. E Grenada 853 Comment
  JEPS66830  Hypericum formosum var. scouleri Geo. D. Butler 1908-7-21 5 Siskiyou Oro Fino 762 Comment
  UC1034069  Hypericum formosum var. scouleri W. Bridge Cooke 1941-8-8 16142 Siskiyou between Wagon Camp Rd. and McCloud R.R. near Howard; Mt. Shasta 1219 Comment
  CAS-BOT-BC401286  Hypericum perforatum W. B. Cooke; V. G. Cooke 1962-8-19 33549 Siskiyou Near Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC401288  Hypericum perforatum Doris K. Kildale 1928-7-1 5320 Siskiyou Forks of Salmon Comment
  CAS-BOT-BC401469  Hypericum scouleri Carl B. Wolf 1927-8-26 1074 Siskiyou On the Klamath River, near Hamburg Comment
  CAS-BOT-BC401472  Hypericum scouleri Alice Eastwood 1921-7-25 10838 Siskiyou Bigelows, McCloud River Comment
  UC856770  Idahoa scapigera Louis C. Wheeler 1935-3-16 3373 Siskiyou Klamathon, Klamath River Klamath River; Klamathon, Klamath River 701 Comment
  CAS-BOT-BC88627  Idahoa scapigera Peter H. Raven 1964-3-5 18763 Siskiyou Cultivated at Stanford, the seeds from Raven [coll. no.] 18397, at the Oreogn line on U.S. Highway 97. Comment
  SEINET12278833  Ipomopsis aggregata H. P. Chandler 1901-1 1624 Siskiyou near Marble Mountain 2134 Comment
  POM253588  Ipomopsis congesta C. L. Hitchcock, J. S. Martin 1939-7-9 5306 Siskiyou North side of Black Mt. near Marble Mt. (King's Castle) 2073 Comment
  RSA105310  Ipomopsis congesta Milo S. Baker 1955-6-26 13081 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  UC722306  Iris bracteata C. L. Hitchcock and J. S. Martin 1939-7-7 5270 Siskiyou 13 mi s Takilma, Oregon (Sanger Peak Trail); Sanger Peak Trail 1066 Comment
  SEINET4170699  Iris hartwegii C. L. Hitchcock, J. S. Martin 1939-7-7 5270 Siskiyou Sanger Peak Trail , ca. 13 miles south of Takilma , Oregon 1067 Comment
  SD88327  Iris missouriensis Darley F. Howe 1972-7-8 Siskiyou Grass Lake, 21 miles north of Weed on #97. 1524 Comment
  JEPS93197  Iris tenuissima Carol A. Wilson 1992-5-19 92 -25 Siskiyou 4.4 mi s of Happy Camp (on Highway 96); Highway 96 518 Comment
  CHSC32704  Isatis tinctoria James P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River. Comment
  UC1094383  Isatis tinctoria R. C. Bacigalupi with S. Galen Smith 1957-6-27 5973 Siskiyou Grass Lake, along Highway 97 Grass Lake 1524 Comment
  CAS-BOT-BC88665  Isatis tinctoria George Dexter Butler 1909-6-13 804 Siskiyou Scott River near Fort Jones. Comment
  POM95097  Isatis tinctoria Geo. D. Butler 1910-6-7 1534 Siskiyou Scott River. Comment
  SD98938  Isatis tinctoria Darley F. Howe 1977-7-2 4983 Siskiyou 7.0 miles west of Fort Jones. 669 Comment
  UCD115202  Isatis tinctoria James P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River. Comment
  CHSC62520  Isoetes bolanderi L. P. Janeway 1993-8-31 4574 Siskiyou Above and south of Terrace Lake; headwaters of South Fork Sacramento River. 1941 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
  JEPS83820  Isoetes echinospora Wayne Roderick July 1976 Siskiyou vicinity of Cook & Green Pass (in Lily Pad Lake); Siskiyou Mts., Lily Pad Lake 1828 Comment
  RSA608670  Isoetes occidentalis L. C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mile NE of Sawtooth Mountain. 1616 Comment
  UC538029  Ivesia gordonii David H. Johnson 1934-6-11 Siskiyou Dobkins Lake; Mt. Eddy 1828 Comment
  CHSC30944  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. 1219 Comment
  CDA39574  Juglans hindsii D. H. Shaw &Q. L. Holdeman 1977-9-26 s.n. Siskiyou Klamath River Lodge, Klamath River. 0 Comment
  CAS-BOT-BC110021  Juncus Melissa A. Berry 1957-7-1 s.n. Siskiyou On Highway 97 at Hebron Summit. Comment
  CHSC88379  Juncus balticus Jenny Marr 1993-7-1 184 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC67956  Juncus bolanderi Steve Selva, J. P. Smith 1970-7-15 4344 Siskiyou Klamath National Forest, rd. to Happy Camp 732 Comment
  RSA298329  Juncus bolanderi J. P. Smith, Steve Selva 1970-6-15 3923 Siskiyou 10 miles northwest of Forks of Salmon. Comment
  UC1026903  Juncus effusus subsp. pacificus F. J. Hermann 1940-7-26 15357 Siskiyou along Black Butte Spring creek Mount Shasta 1219 Comment
  HSC39873  Juncus ensifolius J. O. Sawyer 1969-7-23 1173 Siskiyou Near Horse Range Creek 1341 Comment
  JEPS105030  Juncus ensifolius Dean W. Taylor 1996-7-23 15816 Siskiyou Patterson Creek headwaters (about 6 air miles northwest of Etna); Klamath National Forest 1493 Comment
  POM229961  Juncus ensifolius L. C. Wheeler 1935-7-26 3710 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  JEPS63841  Juncus exiguus B. C. Goldsmith 1916-10-10 36 Siskiyou Widow Creek Mt. Shasta 1341 Comment
  CHSC2218  Juncus mertensianus V. Holt 1943-8-11 Siskiyou Marble mountains. 1828 Comment
  CAS-BOT-BC110804  Juncus mertensianus Wm. Bridge Cooke 1938-8-18 11475 Siskiyou Mount Shasta. Horse Camp Springs. Around several springs above Horse Camp along the Summit Trail. 2514 Comment
  CAS-BOT-BC127623  Juncus mertensianus Jennifer Whipple 1976-6-30 1219 Siskiyou Mount Eddy. Klamath Mountains. Wagon Creek drainage near Wagon Creek. 2194 Comment
  RSA14327  Juncus mexicanus Elmer I. Applegate 1923-8-18 3879 Siskiyou Medicine Lake. 1982 Comment
  JEPS94676  Juncus tiehmii Vernon H. Oswald and Lowell Ahart 1998-7-21 9362 Siskiyou on Old State Hwy 0.8 mi e Tennant Road (ne of Weed, e of Grass Lake, and w of Bray) 1417 Comment
  CAS-BOT-BC81132  Juniperus communis G. A. Coleman 1901-8-16 s.n. Siskiyou near head of Paulters Creek 2514 Comment
  LA6569  Juniperus communis var. saxatilis Wm. Bridge Cooke; 1939-7-26 13743 Siskiyou above Panther Creek Meadows 2590 Comment
  CAS-BOT-BC81223  Juniperus occidentalis Anderson 1925-10-1 s.n. Siskiyou 10 miles north of Edgewood Comment
  CAS-BOT-BC81239  Juniperus occidentalis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53420 Siskiyou east side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  HSC31502  Juniperus occidentalis Steve Selva, Roger Jensen 1974-8-24 45 Siskiyou S facing slopes along Road 8 to Sugar Lake Trail Comment
  RSA758202  Juniperus occidentalis Doug Goldman 2004-12-26 3015 Siskiyou Shasta Valley, along the south side of Route A12, just north of a small hill of volcanic rock and about 2.6 miles east of the intersection with Interstate 5. 236 Comment
  SEINET11058377  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2346 Siskiyou Siskiyou Mountains., Klamath River, S slope above and N of river. 585 Comment
  CAS-BOT-BC56353  Kalmia microphylla subsp. microphylla W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak at Lunch Creek Comment
  POM210970  Kalmia polifolia subsp. microphylla L. C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, Middlehell Creek. 2011 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
  POM59665  Kelloggia galioides E. B. Copeland 1903-7-17 3516 Siskiyou Mt. Shasta. Comment
  POM67567  Kelloggia galioides Edward Palmer 1892-7-13 2504 Siskiyou Mt. Shasta and vicinity. Comment
  UC102432  Kelloggia galioides Brandegee Jul 1887 Siskiyou Sisson Comment
  UC455891  Kelloggia galioides I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  UCD121986  Kelloggia galioides R. Tofsrud; J. M. Tucker 1948-8-4 1785 Siskiyou ca. 1 1/2 miles northwest of McCloud. Comment
  SD61003  Kochia scoparia Darley F. Howe 1964-8-4 Siskiyou Medoc National Forest, 1.6 miles north of Lava Beds National Monument, by water canal. 1220 Comment
  SDSU5603  Kochia scoparia D. F. Howe 1966-8-27 4308 Siskiyou Tule Lake. 1311 Comment
  HSC81991  Koeleria macrantha Thomas W. Nelson, Jane P. Nelson 1979-6-16 4864 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  CAS-BOT-BC273775  Koeleria pyramidata Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mountain 1582 Comment
  CAS-BOT-BC340376  Kyhosia bolanderi Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  JEPS40399  Kyhosia bolanderi W. L. Jepson 1914-8-13 5793 Siskiyou Sisson; swamps 1097 Comment
  CAS-BOT-BC340379  Kyhosia bolanderi Dr. E. B. Copeland August 15, 19 3 3882 Siskiyou Sisson 1066 Comment
  CAS-BOT-BC340402  Lactuca Alice Eastwood 1912-8-28 1943 Siskiyou Sisson Comment
  HSC5888  Lactuca serriola R. C. Wunner 1965-8-14 414 Siskiyou California Lava Beds National Monument; near old shoreline of Tule Lake 1220 Comment
  HSC43857  Lagophylla ramosissima Maralyn O'Meara 1974-5-25 367 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC726454  Lagophylla ramosissima A. A. Heller 1919-6-27 13279 Siskiyou Metcalf's Comment
  JEPS94783  Lagophylla ramosissima subsp. ramosissima Vernon H. Oswald and Lowell Ahart 1998-8-3 9408 Siskiyou 11.5 mi w of Gazelle (USFS 41N03 1.0 mi e of its junction with Gazelle-Callahan Road) 1524 Comment
  CAS-BOT-BC204928  Lathyrus Clarence R. Quick 1959-6-19 59 -07 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC204929  Lathyrus Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou North slope of Scott Mt. Comment
  CAS-BOT-BC204930  Lathyrus Roxana S. Ferris; Laura Lorraine 1948-6-12 11809 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  CAS-BOT-BC204982  Lathyrus jepsonii var. californicus Alice Eastwood 1923-5-23 11937 Siskiyou Cantara, S.P.R.R. Comment
  JEPS55338  Lathyrus nevadensis var. nevadensis Harley P. Chandler Jun 1901 1713 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  JEPS55346  Lathyrus nevadensis var. nevadensis W. L. Jepson 1907-7-6 2853 Siskiyou near Marble Mt.; Cudahy Valley Comment
  UC1409225  Lathyrus nevadensis var. nevadensis Frederick W. Oettinger 1969-8-1 1136 b Siskiyou between English Lake and Wire Grass Meadow (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountains Wilderness Area 1676 Comment
  UC163839  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1909-6-22 916 Siskiyou Goosenest foothills Goosenest Comment
  POM29213  Lathyrus pauciflorus subsp. brownii Geo. D. Butler 1910-6-3 1474 Siskiyou Greenhorn Mountain. Comment
  UC163718  Lathyrus sulphureus Cassie Quigley 1909-5-8 707 Siskiyou Klamath River Comment
  UC564208  Layia glandulosa Elmer I. Applegate 1935-6-2 9263 Siskiyou Lyons Road near Juniper Butte; Lava Beds National Monument Comment
  RSA145237  Ledum glandulosum Dorothy Parker 1959-7-20 738 Siskiyou Below Rock Fence Lake. 1982 Comment
  POM215738  Leersia oryzoides L. C. Wheeler 1934-9-16 3270 Siskiyou Walker, Klamath River 518 Comment
  UCR131600  Leersia oryzoides L. C. Wheeler 1934-9-16 3270 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  SD53406  Leersia oryzoides D. F. Howe 1962-8-5 3397 Siskiyou 56.8 miles east of Happy Camp on #96; bank of Klamouth River 609 Comment
  RSA429989  Lepidium campestre B. C. Templeton 1957-6-25 7731 Siskiyou Between Callahan and Gazelle. Comment
  HSC101560  Lepidium chalepense J. P. Smith, J. O. Sawyer 2010-5-6 12814 Siskiyou Roadside along Klamath River 536 Comment
  JEPS96803  Lepidium densiflorum var. macrocarpum Dean W. Taylor 1999-8-12 17302 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  JEPS54272  Lepidium perfoliatum L. T. Dempster 1934-8-4 1006 Siskiyou Yreka Comment
  CAS-BOT-BC12996  Lepidium virginicum Lewis S. Rose 1945-6-18 45099 Siskiyou Horse Creek and Klamath River. 502 Comment
  UC637078  Lepidium virginicum Edward Lee 1934-8-10 1020 Siskiyou near Hamburg (between McKinney and Parkhouse Creeks, s bank of Klamath River); Klamath River 609 Comment
  HSC36772  Leptosiphon harknessii J. P. Smith 1974-5-25 7416 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  RSA170201  Lessingia nemaclada Joseph P. Tracy 1949-9-14 18552 Siskiyou At Summerville' on South Fork of Salmon River, 5 miles SE of Cecilville 762 Comment
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Sep 27 2007
  OBI55491  Lessingia nemaclada David J. Keil, Kathleen Keil 1992-7-21 23555 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 5 mi W of Scott Mtn rd (hwy 3) Comment
  UC1557830  Lessingia nemaclada J. Semple, S. Heard 1986-8-16 8467 Siskiyou 1.6 km w Horse Creek (CA-96, before CA-3) Comment
  UCD134102  Lessingia ramulosa James P. Smith; John Sawyer 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at turnoff to the Proctor Ranch. Comment
  CAS-BOT-BC342100  Leucanthemum vulgare Dorothy Parker 1946-7-29 s.n. Siskiyou Plowman's Valley 1188 Comment
  UC1951316  Leucothoe davisiae Robert F. Thorne and Fred Oettinger 1969-8-4 63378 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. At margin of Diamond Lake. Comment
  RSA756941  Lewisia cotyledon R. F. Thorne 1969-8-2 63342 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  RSA184767  Lewisia leeana Gilbert Muth 1966-7-14 382 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  RSA211271  Lewisia leeana William J. Ferlatte 1966-7-7 208 Siskiyou Caribou Basin. 1982 Comment
  SEINET4175850 Image available Lewisia triphylla Sally Walker 1983-8-23 Siskiyou Mt Shasta 2896 Comment
  CAS-BOT-BC272171  Leymus triticoides L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  UC204764  Leymus triticoides Geo. D. Butler 1901-6-25 1603 Siskiyou Yreka Comment
  RSA233697  Ligusticum grayi R. F. Thorne, Fred Oettinger 1969-8-10 38967 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  JEPS61987  Lilium columbianum George Butler 1908-8-3 115 Siskiyou Shackleford Creek; w Siskiyou County Comment
  HSC22274  Lilium kelleyanum J. O. Sawyer 1969-7-26 1580 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  HSC82360  Lilium kelleyanum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4518 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC509356  Lilium kelleyanum Albert M. Vollmer 1949-7-5 11 -B Siskiyou 7 miles from Callahan on Callahan-Carrville road. Comment
  CAS-BOT-BC509359  Lilium kelleyanum Wayne Roderick 1967-7-28 s.n. Siskiyou North of center of the town of Mt. Shasta. In large bog, between old Hwy. and R.R. 1066 Comment
  CAS-BOT-BC509380  Lilium kelleyanum Alice Eastwood 1921-7-24 10784 Siskiyou Castle Lake Comment
  UCD77825  Lilium pardalinum subsp. shastense Robert E. Preston 2001-6-23 1541 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1706 Comment
  CDA39353  Lilium pardalinum subsp. shastense T. C. Fuller 1960-7-25 4869 Siskiyou North limits Mt. Shasta City. 0 Comment
  RSA50161  Lilium rubescens E. K. Balls 1949-7-10 13953 Siskiyou 3 miles from Sawyers Bar on road to Cecilville 1006 Comment
  POM267240  Lilium washingtonianum Marion Ownbey, Fred G. Meyer 1940-7-6 2196 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  RSA184814  Lilium washingtonianum subsp. purpurascens Gilbert Muth 1966-7-29 133 Siskiyou Marble Valley, near marble, Marble Mountain 1793 Comment
  CAS-BOT-BC133098  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1923-5-27 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC123092  Lilium wigginsii Lawrence Beane; Albert Michael Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Hwy 99 Comment
  JEPS97797  Linanthus harknessii J. Greenhouse 2000-7-16 5010 Siskiyou Boundary of Siskiyou and Trinity counties Scott Mountain Summit campground; Scott Mountain, Klamath National Forest, Trinity National Fo 1645 Comment
  RSA0087563  Linnaea borealis subsp. longiflora Robert F. Thorne 1969-8-2 63329 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, vicinity of English Peak. Trail to upper English Lake, opposite jct. with Grant Creek. Comment
  RSA183706  Linum lewisii Gilbert Muth 1965-8-6 186 Siskiyou Marble Mountains; backside of Black Mountain Comment
  RSA761684  Linum lewisii Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63354 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  UCD110590  Linum lewisii Wm E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  UC5490  Lithocarpus densiflorus W. H. Brewer 1862-6-17 1443 Siskiyou between Camp 98 and Soda Springs; Mt. Shasta Comment
  UC726779  Lithocarpus densiflorus var. echinoides A. A. Heller 1918-7-16 13035 Siskiyou Mt. Eddy 1524 Comment
  POM90134  Lithocarpus densiflorus var. echinoides S. B. Grout 1902-9-15 s.n. Siskiyou Shasta Springs. Comment
  HSC64132  Lithophragma affine J. P. Smith 1973-5-5 6473 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC64830  Lithophragma affine J. P. Smith 1973-5-5 6384 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA298361  Lithophragma affine subsp. affine J. P. Smith 1973-5-5 6473 Siskiyou Along Cook and Green Pass road. Comment
  CAS-BOT-BC432321  Lithophragma campanulatum Roxana S. Ferris; Laura Lorraine 1948-6-12 11855 Siskiyou 1.5 miles below summit of Gazelle Mountain Grade, E side 1417 Comment
  RSA298362  Lithophragma heterophyllum James Payne Smith 1973-5-5 6417 Siskiyou Along Cook and Green Pass road. Comment
  CAS-BOT-BC325941  Lithospermum californicum Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC269147  Lolium perenne Dr. Ed Palmer 1892-1-1 2646 Siskiyou Near Mt. Shasta Comment
  RSA603010  Lolium perenne subsp. multiflorum L. C. Wheeler 1935-6-2 3544 Siskiyou Shasta River; Siskiyou Mts. 732 Comment
  UC1251648  Lomatium californicum Tracey and Viola Call 1964-6-26 2294 Siskiyou 10 mi N of Yreka (above Klamath River) 883 Comment
  CHSC75665  Lomatium engelmannii Vernon H. Oswald 1999-7-5 9819 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi north-west of the highway summit. 1569 Comment
  UC1527502  Lomatium engelmannii Thomas Nelson and Jane Nelson 1979-5-26 4712 Siskiyou ca.3 mi N of Scott Mountain summit (along State Route 3, at jct of Frorest Service Rd. 40N03) Comment
  UC165426  Lomatium macrocarpum Geo. D. Butler 1909-5-9 744 Siskiyou hills near Yreka Comment
  SEINET13944547 Image available Lomatium macrocarpum Clarence R. Quick 1959-1 59 -12 Siskiyou 3 mi S of Four Corners on ridge SE of Seiad Valley Comment
  HSC48969  Lomatium martindalei M. A. Baker 1979-5-17 727 Siskiyou S facing hillside near road to Bald Mtn. trail off FS 15N01 Comment
  UCD127272  Lomatium triternatum var. macrocarpum Robert E. Preston 1995-6-18 883 Siskiyou Irongate Reservoir, 0.6 miles NNW of dam at roadside. 731 Comment
  HSC42904  Lonicera ciliosa J. O. Sawyer, Ken Stillman 1976-5-28 2728 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  RSA75604  Lonicera ciliosa Albert M. Vollmer, L. Beane 1951-6-2 s.n. Siskiyou Happy Camp, Klamath River Hwy. Comment
  RSA594186  Lonicera ciliosa S. O. Mattoon 1977-6-26 61 Siskiyou Forest Road 47N03, on west side of Meiss Lake; 7 air miles NW of MacDoel. 1463 Comment
  HSC4900  Lonicera conjugialis J. O. Sawyer 1968-7-10 460 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC4901  Lonicera conjugialis J. O. Sawyer 1968-7-10 467 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CAS-BOT-BC240843  Lonicera interrupta Dorothy Parker 1947-6-21 198 Siskiyou North slope of Gazelle Mt. 1219 Comment
  RSA68924  Lotus crassifolius A. E. Culbertson 1943-7-12 33 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000 backwall; 14 miles SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UC1023843  Lotus purshianus var. purshianus Douglas Barbe 1955-6-28 25 Siskiyou 1.8 mi n Callahan; Klamath Mountains 1005 Comment
  HSC4896  Luetkea pectinata J. O. Sawyer 1968-7-9 426 Siskiyou W of Little Duck Lake. 1936 Comment
  UCD113635  Luetkea pectinata Jack Major; M. Fleschner and R. Pemble 1966-9-5 s.n. Siskiyou Along trail from Marble Mountain to Sky High Lake, east of Marble Mountain, Marble Mountains. 1975 Comment
  HSC29123  Luina hypoleuca Frederick W. Oettinger 1968-8-2 367 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NE of Diamond Lake 2082 Comment
  OBI53971  Luina hypoleuca David J. Keil, Kathleen Keil 1992-7-19 23460 Siskiyou Klamath Natl Forest 9 mi NW of Forks of Salmon along Forks of Salmon Rd 300 Comment
  CAS-BOT-BC198360  Lupinus Elmer I. Applegate 1923-9-6 3940 Siskiyou Klamath River about 20 miles below the mouth of Shasta River Comment
  UC157017  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-8-3 372 Siskiyou Log Lake Log Lake, Shackleford Creek (Shackleford Creek) Comment
  UC909326  Lupinus albicaulis var. shastensis Dorothy Parker 1948-8-10 180 Siskiyou forks of Etna Creek , Etna Creek (Salmon Mountain) 1176 Comment
  RSA119507  Lupinus albicaulis var. shastensis W. Bridge Cooke 1938-7-29 386 Siskiyou Mt. Shasta 1220 Comment
  UCR37852  Lupinus andersonii K. T. Stillman 1976-8-7 197 Siskiyou Marble Mountain Wilderness Area 1829 Comment
  UCR38386  Lupinus andersonii G. F. Pratt, G. R. Ballmer 1985-6-19 s.n. Siskiyou Trinity Mtns, Gumboot Lake, west of Dunsmuir 1829 Comment
  HSC32764  Lupinus andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou Salmon Mountains: High Lake Basins, Crapo View Gap, English Peak. 2134 Comment
  RSA104556  Lupinus andersonii var. andersonii Leland S. Smith 1913-5-4 62032 Siskiyou Hornbrook Comment
  RSA237943  Lupinus andersonii var. andersonii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1220 Siskiyou English Peak to Crapo Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CHSC69078  Lupinus angustiflorus Vernon Oswald; Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake southeast of Medicine Lake. 2057 Comment
  JEPS95095  Lupinus angustiflorus Vernon Oswald and Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake se of Medicine Lake; Bullseye Lake 2057 Comment
  UCD77844  Lupinus angustiflorus Robert E. Preston 2001-6-23 1603 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  SDSU4651  Lupinus argenteus D. F. Howe 1964-8-5 3936 Siskiyou 3 miles north of Dorris on # 97. Comment
  HSC37523  Lupinus bicolor J. P. Smith 1974-5-25 7421 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS117905  Lupinus breweri var. breweri L. P. Janeway 2008-7-23 9480 Siskiyou crest of mountain 2.1 air km northeast of Condrey Mountain Siskiyou Mountains; Klamatha Ranges 2115 Comment
  CAS-BOT-BC196696  Lupinus breweri var. breweri Jessie P. Rose 1908-7-1 193 Siskiyou Near summit of Ashland Butte, Siskiyou Mountains Comment
  UCD15150  Lupinus croceus K. F. Mawdsley 1996-7-10 13 Siskiyou Along paved road to Castle Lake. 1584 Comment
  SEINET10870599  Lupinus croceus var. croceus Patricia L. Kenney 1973-6-4 Kenney 384 Siskiyou Collected on a steep roadbank along rd. From cecilville to callahan; 6.4 mi. W Of callahan. 1737 Comment
  UC1482884  Lupinus croceus var. pilosellus P. Kenney, Conrad and Dunn 1973-6-4 384 A Siskiyou along road from Cecilville to Callahan 6.4 mi w Callahan; w of Callahan 1737 Comment
  RSA372149  Lupinus klamathensis M. L. Conrad, David B. Dunn, LeDoux 1973-6-2 6971 Siskiyou On south facing slope of Klamath River Valley, 1.5 miles west of junction of 263 and 96 on Highway 96. 732 Comment
  POM24889  Lupinus klamathensis Geo. D. Butler 1909-5-8 709 Siskiyou Shasta Valley Comment
  SEINET10485424  Lupinus klamathensis Jeffrey Huber 1971-6-9 Huber 258 Siskiyou 3 mi. N of weed, on us hwy 97; s facing 20 degree slope; roadside; in pinus Ponderosa, p. Jeffreyi, and artemisia tridentata and purshia. 1128 Comment
  UC1766160  Lupinus lapidicola Richard R. Halse 1989-5-6 3817 Siskiyou Along Old Hwy 99, 3.2 mi S of Gazelle or 4.2 mi N of its junction with Old Stage Road. 888 Comment
  UC1409222  Lupinus latifolius var. viridifolius Frederick W. Oettinger 1969-7-13 1006 a Siskiyou slope n Upper English Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UC144514  Lupinus latifolius var. viridifolius A. A. Heller 1905-6-1 7928 Siskiyou between Dunsmuir and Upper Soda Springs; ; between Dunsmuir and Upper Soda Spring, Siskiyou Co. Comment
  SEINET194957  Lupinus laxiflorus A. A. Heller 1938-7-12 15260 Siskiyou Border of a meadow east of Deer Mountain on the old U.S. Highway 97, toward Bray. 1402 Comment
  UC60887  Lupinus lepidus var. sellulus W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta (Mount Shasta); , Sisson Comment
  UC909328  Lupinus leucophyllus Dorothy Parker 1948-8-5 160 Siskiyou dry sandy field, e. fork of Scott River E Fork of Scott River; Plowman's Valley, e. fork of Scott River 1188 Comment
  JEPS83250  Lupinus luteolus W. L. Jepson 1940-6-22 19964 Siskiyou 1 mi e Hilt (Hilt to Hawkinsville, Quarantine Station); e of Hilt 914 Comment
  UC138026  Lupinus microcarpus var. microcarpus Dr. E. B. Copeland 1903-7-2 3537 Siskiyou Klamathon Comment
  UC156987  Lupinus nanus Geo. D. Butler 1909-4-7 662 Siskiyou near Yreka; near Yreka Comment
  RSA0064517  Lupinus onustus Daisie Huang 2006-8-4 06080406 Siskiyou Castle Lake Road. 1326 Comment
  CAS-BOT-BC8212  Lupinus perglaber Alice Eastwood 1921-7-24 10715 Siskiyou Castle Lake Comment
  RSA60881  Lupinus polyphyllus subsp. polyphyllus Frank W. Gould 1938-6-28 487 Siskiyou Near and north of Mt. Shasta (where Highway 97 crosses Butte Creek). 1418 Comment
  RSA414230  Lupinus polyphyllus subsp. superbus M. B. Dunkle 1945-08 9294 Siskiyou Klamath National Forest Marble Mts. Comment
  JEPS80558  Lupinus polyphyllus var. burkei Gilbert Muth 1965-8-6 188 Siskiyou backside of Black Mountain; Marble Mt. Wilderness Area 1981 Comment
  SD61047  Lupinus sellulus Darley F. Howe 1964-8-4 Siskiyou Near Medicine Lake, Modoc National Forest. 2012 Comment
  SEINET10488898  Lupinus sellulus Katherine L. Morris 1973-5-25 Morris 279 Siskiyou Collected 1.4 mi ne of wheat on u.s. 97 In an area of yellow pine, purshia, and Manzanita at the side of a cemetery. Comment
  POM260225  Lupinus sellulus subsp. ursinus C. Leo Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-9 5323 Siskiyou 1/2 mile SE of Kings Castle, Marble Mts. 1829 Comment
  SEINET10490872  Lupinus sellulus var. sellulus Joseph W. Congdon 1900-8-15 Congdon s.n. Siskiyou Forks castle road. Comment
  SEINET10490890  Lupinus sellulus var. sellulus Smith 1929-7-17 Smith 4415 Siskiyou Edgewood. Comment
  HSC68469  Luzula comosa Maralyn A. Renner 1980-6-26 1141 Siskiyou Flint Valley 1390 Comment
  HSC92875  Luzula comosa Jennifer Whipple 1978-7-20 2362 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2439 Comment
  RSA238893  Luzula comosa Frederick W. Oettinger 1968-8-11 486 Siskiyou On W side of the alder thicket just below Tom Taylor Cabin Spring. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA211370  Luzula divaricata William J. Ferlatte 1966-8-19 452 Siskiyou Head of Kidd Creek. Trinity Alps. 2134 Comment
  HSC670  Luzula parviflora William J. Ferlatte 1967-7-9 687 Siskiyou Kidd Creek Trail 1890 Comment
  UC1265299  Luzula parviflora Frederick W. Oettinger 1968-9-9 800 Siskiyou stream bank meadow that runs from Tom's Lower Pond (High Lake Basins in vicinity of English Peak, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  HSC90703  Madia citriodora K. L. Chambers 1967-6-22 2845 Siskiyou About 500 ft. above and E of the freeway (Hwy. 5 ) at the Hilts exit, Siskiyou Pass 1098 Comment
  POM362227  Madia citriodora Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC344012  Madia elegans Elmer I. Applegate 1923-9-7 3946 Siskiyou Klamath River at mouth of Doggett Creek. (Doggett Creek = Shovel Creek) Comment
  HSC36762  Madia gracilis J. P. Smith 1974-5-25 7410 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC36815  Madia gracilis J. P. Smith 1974-5-27 7619 Siskiyou Along FS Rd. 47N03 1280 Comment
  POM208277  Madia minima L. C. Wheeler 1934-6-1 2601 Siskiyou Siskiyou Mountains: Dry Lake Lookout 2058 Comment
  UC61685  Madia sativa Geo. B. Grant September, 1902 5055 Siskiyou Mount Shasta Comment
  POM97668  Mahonia aquifolium Geo. D. Butler 1910-4-11 1169 Siskiyou Yreka Creek. Comment
  SEINET6909344  Mahonia piperiana M. K. Solecki, J. B. Taft 1986-9-9 2141 Siskiyou Along Scott River. Comment
  HSC24692  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1969-7-16 1142 Siskiyou W of Waterdog Lake 2073 Comment
  HSC557  Maianthemum racemosum subsp. amplexicaule William J. Ferlatte 1967-6-29 569 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  HSC76990  Maianthemum racemosum subsp. amplexicaule K. T. Stillman 1976-6-25 78 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  RSA120635  Maianthemum racemosum subsp. amplexicaule G. D. Barbe 1955-8-1 323 Siskiyou Klamath Mountains: Summit of Mt. Bolivar 2470 Comment
  RSA183443  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 Siskiyou Blake s Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer s Bar, Salmon Mountains. 1616 Comment
  RSA184805  Maianthemum stellatum Gilbert Muth 1966-7-8 365 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  UCR51831  Marah oregana L. C. Wheeler 1934-8-2 3026 Siskiyou Siskiyou Mtns, Jaynes Canyon. (Mt. Diablo Meridian) 1829 Comment
  UC164083  Marah oregana Geo. D. Butler 1909-5-8 731 Siskiyou Klamath River Comment
  HSC1870  Medicago lupulina L. C. Wheeler 1934-10-7 3313 Siskiyou Oak Knoll Ranger Station, Klamath River 671 Comment
  CAS-BOT-BC105074  Melica aristata R. C. Wenk 2008-7-24 916 Siskiyou SW side of Mount Shasta, growing by side of road, Everitt Memorial Highway 1676 Comment
  RSA239020  Melica aristata Frederick W. Oettinger 1969-9-4 1662 Siskiyou North side of Tom Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SEINET185073 Image available Melica bulbosa C. L. Hitchcock, J. S. Martin 1939-7-9 5311 Siskiyou Between King's Castle and Black mtn. west side of Ridge. 1829 Comment
  LA12125  Melica californica Jason Swallen; 1939-7-21 13735 Siskiyou Mount Shasta, above Wagon Camp 1767 Comment
  CHSC61579  Melica fugax L. P. Janeway 1983-8-28 630 Siskiyou Siskiyou Mountains; at Poker Flat, western side of meadow. 1524 Comment
  SEINET10599386  Melica fugax George D. Butler 1910-1 Butler 1251 Siskiyou Dry hill Yreka. Comment
  JEPS25669  Melica geyeri Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7312 Siskiyou 4 air mi nne Preston Peak (Twin Valley, watershed of Indian Creek); Siskiyou Mts., Twin Valley, Indian Creek 1493 Comment
  HSC22264  Melica subulata J. O. Sawyer 1969-8-1 1623 Siskiyou NE facing slope near Duck Lake Creek. 1799 Comment
  POM211190  Mentha canadensis Louis C. Wheeler 1934-9-16 3269 Siskiyou Walker, Klamath River 518 Comment
  RSA17719  Mentzelia laevicaulis Elmer I. Applegate 1923-8-6 3938 Siskiyou Klamath River, 12 miles below mouth of Shasta River. Comment
  SBBG115938  Mentzelia laevicaulis F. G. Parson 1946-7-26 Siskiyou Scott Mtn Comment
  HSC62311  Mertensia bella Al Hobart 1968-6-20 Siskiyou Youngs Valley Comment
  CAS-BOT-BC428547  Micranthes aprica Gilbert Muth 1966-7-8 367 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC428551  Micranthes aprica A. A. Heller 1915-7-15 12081 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC429154  Micranthes odontoloma Gilbert Muth 1966-7-24 442 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC429155  Micranthes odontoloma Gilbert Muth 1965-8-17 308 Siskiyou Lower Creek on trail to Blk. Mt. Comment
  CHSC102574  Micranthes tolmiei L. P. Janeway 2009-8-4 9898 Siskiyou High Cascade Range. Mt. Shasta, north slope, 3.7 air km south-southwest of Northgate Trailhead. 2784 Comment
  HSC67937  Micropus californicus var. californicus J. P. Smith 1973-5-5 6542 Siskiyou Scott Bar along the Scott River Comment
  HSC46230  Micropus californicus var. californicus Jennifer Whipple 1978-6-5 2341 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC349370  Microseris nutans Alice Eastwood 1921-7-29 10947 Siskiyou Medicine Lake Comment
  JEPS35722  Microseris nutans Geo. D. Butler 1904-6-22 958 Siskiyou Goosenest Mountain Comment
  HSC36931  Microsteris gracilis J. P. Smith 1974-5-26 7559 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA120818  Microsteris gracilis subsp. gracilis G. D. Barbe 1955-7-6 128 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  RSA237538  Mimulus breweri Frederick W. Oettinger 1969-8-13 1360 Siskiyou main camp site, English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC58963  Mimulus cardinalis Gilbert Muth 1976-7-29 Siskiyou Near Lake Mtn., close to the town of Seiad Valley 1799 Comment
  UC905631  Mimulus cardinalis William M. Hiesey 1947-8-23 555 Siskiyou 1 mi w Beaver Creek (along Highway 96, 2 mi n of Walker); Klamath River Comment
  HSC27691  Mimulus guttatus Carl W. Mize 1972-6-8 41 Siskiyou Along main trail 366 Comment
  HSC29404  Mimulus guttatus Frederick W. Oettinger 1969-8-22 1496 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  HSC107  Mimulus guttatus William J. Ferlatte 1967-8-21 1075 Siskiyou Caribou Basin, ridge W of Big Caribou Lake 2134 Comment
  RSA126053  Mimulus guttatus I. L. Wiggins 1955-7-22 13444 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  RSA237546  Mimulus guttatus Frederick W. Oettinger 1967-8-13 255 Siskiyou Below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  CDA41786  Mimulus guttatus subsp. arvensis J. R. Grisham 1965-6-8 s.n. Siskiyou Willow Creek. 0 Comment
  JEPS11712  Mimulus microphyllus F. W. Pennell 1940-6-20 26203 Siskiyou w Bartle (Route 89) 1158 Comment
  RSA183419  Mimulus moschatus J. M. Tucker, L. K. Mann 1963-7-4 3690 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  UCD122801  Mimulus moschatus John M. Tucker; Louis K. Mann 1963-7-4 3690 Siskiyou beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  JEPS86998  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 932 Siskiyou 8.0 mi e McCloud (along Hwy 89, sw corner of jct of Bigelow Meadows Road and hwy, opposite hwy from USFS Road 40N16, 2.4 mi w of turnoff for Cattle Camp) 1300 Comment
  UC618865  Mimulus nanus var. jepsonii W. Bridge Cooke 1938-7-29 11403 Siskiyou above Bear Springs; Mount Shasta Comment
  JEPS69753  Mimulus nanus var. nanus W. B. and V. G. Cooke 1972-6-30 45418 Siskiyou above Andesite crossing (near Military Pass Road); Mt. Shasta Comment
  JEPS87078 Image available Mimulus nanus var. nanus J. Kierstead 1991-6-6 91 -55 Siskiyou Mt. Shasta Ranger Dist. north side of Mt. Shasta, north of Hwy. 97, 2 mi SW of Haystack Rock. Comment
  POM252820  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou 1 mile south of Bray. 1402 Comment
  HSC82378  Mimulus primuloides Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4531 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  RSA233700  Mimulus primuloides Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38969 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC104138  Mimulus pulsiferae Dana York 2012-7-21 3128 Siskiyou Klamath National Forest, 470 m E of Red Butte, along the road and springs around Bee Camp 1720 Comment
  CAS-BOT-BC388886  Minuartia douglasii Lewis S. Rose 1945-6-18 45125 Siskiyou Horse Creek & Klamath River 502 Comment
  RSA120683  Minuartia nuttallii subsp. gregaria S. S. Tillett 1956-7-9 633 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  HSC91384  Minuartia nuttallii subsp. gregaria Jennifer Whipple 1976-7-7 1320 Siskiyou Mount Eddy. 2530 Comment
  CAS-BOT-BC181113  Minuartia nuttallii var. gregaria Lillian Mott 1976-7-18 53 LM76 Siskiyou Along road to Lily Pad Lake west of Cook and Green Pass 1463 Comment
  LA45327  Minuartia nuttallii var. gregaria Louis Wheeler; 1934-6-29 2828 Siskiyou Sskiyou Mountains, Sterling Mountain, Soda Creek 1066 Comment
  SEINET4856155  Minuartia stolonifera Unknown 1985-6-19 7839 Siskiyou Along south side of State Rt. 3, 3.1 m N of Scott Mountain Pass. 1220 Comment
  CAS-BOT-BC229609  Mirabilis greenei L. E. Smith 1913-5-29 320 Siskiyou Yreka Comment
  CAS-BOT-BC229606  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou Hill E from Yreka Comment
  RSA123579  Mitella breweri G. D. Barbe 1955-7-9 149 Siskiyou S side of Kangaroo Lake, Scott Mtns. 1829 Comment
  JEPS26520  Mitella diversifolia Lauramay T. Dempster 1961-7-2 1850 Siskiyou Mill Creek; at road crossing sw of Etna Comment
  JEPS25622  Moehringia macrophylla Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7256 Siskiyou Poker Flat 1536 Comment
  HSC22247  Monardella glauca J. O. Sawyer 1969-8-4 1837 Siskiyou Above Sugar Lake 2134 Comment
  HSC75133  Monardella odoratissima J. P. Smith, Thomas W. Nelson 1979-6-16 10134 Siskiyou Klamath National Forest, along Hwy. 3, 3.1 mi. from the Scott Mtn. summit. 1280 Comment
  UCR21090  Monardella odoratissima subsp. glauca T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  RSA50198  Monardella odoratissima subsp. glauca E. K. Balls 1949-7-8 13906 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  CAS-BOT-BC220362  Monardella odoratissima subsp. pallida J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC222163  Monardella odoratissima subsp. pallida John Thomas Howell 1939-8-2 14933 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS51857  Monardella odoratissima subsp. pallida Duncan Dunning 1921-7-20 Siskiyou about 10 air mi ne McCloud (Morrison (onetime logging camp)) Comment
  JEPS80574  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 154 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  JEPS94392  Monardella odoratissima subsp. pallida Vernon Oswald and Lowell Ahart 1997-7-28 8781 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49 (edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  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
  UC1096813  Monardella odoratissima subsp. pallida H. K. Wagnon 1957-8-11 1702 Siskiyou Mt. Shasta ca. 1 mi W of Military Pass Road, along road to Brewer Creek. Comment
  SEINET5333389  Monardella odoratissima subsp. pallida A. Sanger 1996-7-16 2423 Siskiyou In small meadow and sharp turn ~1 mile N of County Road 97. 1817 Comment
  LA54226  Monardella sheltonii Annetta M. Carter; 1934-8-12 695 Siskiyou N side of Klamath River near mouth of Walker Creek (E end of Seiad Valley) 426 Comment
  UC2035868  Monardella villosa subsp. villosa Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath River between Dutch Creek and Deadman Gulch; Siskiyou Mts. Comment
  CHSC71316  Montia dichotoma Vernon H. Oswald; Lowell Ahart 1998-6-11 9220 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sam Neck Rd. and Hwy.97 ca. 5 mi north of Macdoel. Growing along the brushy edge of a drying vernal pool. 1295 Comment
  JEPS94256  Montia dichotoma Vernon H. Oswald and Lowell Ahart 1998-6-11 9220 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  HSC33979  Montia linearis J. P. Smith 1974-5-25 7472 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC164028  Montia linearis Geo. D. Butler 1910-4-25 1240 Siskiyou Oro Fino Comment
  UC375331  Montia linearis Geo. D. Butler 1909-3-14 680 Siskiyou near Yreka Comment
  CAS-BOT-BC445109  Montia linearis Ella D. Cantelow 1953-5-2 s.n. Siskiyou 16 mi. north of Yreka Comment
  UC1408939  Montia parvifolia Frederick W. Oettinger 1968-8-5 399 Siskiyou between English Peak and Diamond Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  UCD37088  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Siskiyou County, southeast base of White Ridge, canyon of south fork of Sacramento River. 1371 Comment
  CAS-BOT-BC267050  Muhlenbergia filiformis H. E. Brown 1897-6-11 425 Siskiyou N side, Mount Shasta 2743 Comment
  UC167215  Muhlenbergia filiformis Geo. D. Butler 1910-7-13 1768 Siskiyou wet meadow Shackleford Creek 1219 Comment
  HSC22176  Muhlenbergia montana J. O. Sawyer 1969-8-4 1881 Siskiyou SE slope above S Sugar Lake 2165 Comment
  UCD86974  Muhlenbergia richardsonis R. Tofsrud 1950-7-1 s.n. Siskiyou Hwy. 97, between Cougar and Macdoel. Comment
  JEPS93848  Myosurus apetalus Vernon H. Oswald and Lowell Ahart 1998-6-11 9221 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  HSC67585  Myriophyllum sibiricum J. P. Smith, Steve Selva 1970-8-8 4553 Siskiyou Juanita Lake Comment
  SBBG243  Myriopteris gracillima H. and M. Dearing 1939-7-1 3790 Siskiyou Salmon Mtn 1828 Comment
  UC1265375  Najas flexilis F. W. Oettinger 1969-8-23 1511 Siskiyou Salmon Mountains, Smith Lake, western Siskiyou County Smith Lake; Salmon Mountains, Smith Lake 1417 Comment
  JEPS44090  Nama densa W. B. and V. G. Cooke 1965-7-12 35171 Siskiyou along the Bolam Road below railroad crossing (Mt. Shasta); , along Bolam Road 1371 Comment
  UCD77882  Nama densa Robert E. Preston 1997-6-1 1037 Siskiyou 100 ft n of Hwy 97. 1402 Comment
  SEINET515857  Nama lobbii Vernon H. Oswald 1998-9-8 9610 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1128 Comment
  POM230340  Nama lobbii L. S. Rose 1937-7-25 37597 Siskiyou Mt. Shasta City. 1159 Comment
  HSC44992  Narthecium californicum J. P. Smith, Steve Selva 1970-7-18 4498 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UC1409328  Narthecium californicum Frederick W. Oettinger 1968-9-8 791 Siskiyou scrib n.e. English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1935 Comment
  HSC563  Narthecium californicum William J. Ferlatte 1966-8-17 402 Siskiyou NW side of Caribou Mtn. 1829 Comment
  RSA601498  Navarretia capillaris L. C. Wheeler 1935-7-26 3699 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC726811  Navarretia linearifolia subsp. linearifolia A. A. Heller 1916-7-20 12476 Siskiyou near Wagon Creek Falls; e side Mt. Eddy, near Wagon Creek Falls 1371 Comment
  UC164112  Nemophila parviflora var. austiniae Geo. D. Butler 1910-4-24 1231 Siskiyou Quartz Valley Comment
  RSA495513  Nemophila parviflora var. parviflora Elaine Joyal, D. Mehlman 1988-6-25 1273 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  JEPS81664  Nicotiana attenuata L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2293 Siskiyou 0.2 mi n U.S. Highway 97 junction with Yreka road (along U.S. Highway 97, n of Mt Shasta) Comment
  RSA48579  Noccaea P. A. Munz 1949-5-18 13303 Siskiyou N of Trinity-Siskiyou co line, N of Trinity Center, road from Trinity Center to Callahan. 1585 Comment
  CAS-BOT-BC60589  Noccaea fendleri subsp. glauca Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  CAS-BOT-BC60593  Noccaea fendleri subsp. glauca R. C. Wenk 2005-7-19 338 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mount Eddy. 2407 Comment
  HSC45574  Noccaea fendleri subsp. glauca Maralyn O'Meara 1974-5-25 436 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  HSC60774  Noccaea fendleri subsp. glauca Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC2013020  Noccaea fendleri subsp. glauca Barbara Ertter 1990-7-14 9337 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  CAS-BOT-BC60577  Noccaea fendleri subsp. glauca Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou On north slope of Scott Mountain. 1524 Comment
  HSC99297  Nothochelone nemorosa G. L. Clifton, Terry Griswold 1979-6-28 6113 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  UCR198250  Nothochelone nemorosa Dean Kelch 2007-7-25 07- 495 Siskiyou Indian Creek Road, just south of Greyback Summit 1304 Comment
  RSA331963  Nothochelone nemorosa Dave Kelly, Walter Wisura 1985-7-30 4074 Siskiyou Along forestry rd. 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  RSA420390  Nothochelone nemorosa M. B. Dunkle 1944-8-25 9165 Siskiyou Sikiyou Nat'l Forest. Coastal northern California. 1768 Comment
  SD88339  Nothochelone nemorosa Darley F. Howe 1972-7-7 Siskiyou 1.4 miles south of Oregon state line on road to Happy Camp 1646 Comment
  HSC27594  Notholithocarpus densiflorus Carl W. Mize 1972-6-21 67 Siskiyou Along trail 335 Comment
  RSA0013795  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-9-3 672 Siskiyou N. end of Horse Range Lake. Salmon Mountains, High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CHSC4521  Oenothera elata subsp. hirsutissima J. E. Bowlin 1967-7-18 44 Siskiyou Off roadside, ca. 13.9 mi w of Mount Shasta Ski Bowl. 1158 Comment
  CAS-BOT-BC349937  Onopordum acanthium T. C. Fuller 1963-8-26 11154 Siskiyou Bottomland of Greenhorn Valley, ca. 2 mi. w. of Yreka Comment
  OBI5240  Onopordum tauricum W. T. Parsons & T. C. Fuller, T. C. Fuller 1960-7-26 4878 Siskiyou Around an old barnyard, F. Voelker ranch, W edge of Meiss Lake Basin, just S of Sam's Neck, ca 15 mi SW of Dorris Comment
  RSA25794  Opuntia fragilis C. B. Wolf 1941-7-26 11074 Siskiyou East side of Little Shasta Valley at Coonrod Ranch (12 miles NE of Weed, then 8 miles N on road to Montague 884 Comment
  HSC22131  Oreostemma alpigenum var. andersonii J. O. Sawyer 1969-8-5 1747 Siskiyou W of Little Duck Lake 2073 Comment
  HSC29218  Oreostemma alpigenum var. andersonii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1180 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  JEPS121625  Oreostemma alpigenum var. andersonii Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL05A Comment
  HSC23585  Orobanche uniflora J. O. Sawyer 1970-6-17 2207 Siskiyou Dry slopes N of Sugar Lake 1799 Comment
  RSA0059187  Orobanche uniflora subsp. occidentalis Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: c. 15 air mi SW of Weed near Kangaroo Lake Campground. Comment
  HSC61864  Orogenia fusiformis Ruby Van Deventer Jun 1961 Siskiyou Poker Flat 1585 Comment
  SD230221  Orthilia secunda Louis C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC458083  Orthilia secunda D. Parker; Wayne Roderick 1967-7-27 s.n. Siskiyou High road S of Etna 1676 Comment
  POM43390  Orthocarpus attenuatus Geo. D. Butler 1910-5-8 1314 Siskiyou Devils land, near Yreka. Comment
  UCR244767  Orthocarpus cuspidatus K. M. Meyer, A. Townesmith 2007-8-2 187 Siskiyou Klamath National Forest, 13.3 mi. on Forest Service Rd. 70, off US Hwy 97 toward Oregon 1956 Comment
  HSC76996  Orthocarpus cuspidatus subsp. copelandii K. T. Stillman 1976-8-7 185 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC164397  Orthocarpus cuspidatus subsp. copelandii Geo. D. Butler 1908-8-4 53 Siskiyou head of Shackleford Creek Comment
  SFV3406  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker, L. K. Mann 1963-8-17 3741 Siskiyou Marble Mountain Wilderness Area. Beside trail from Red Rock Valley to top of ridge to south, and near top of ridge. 1860 Comment
  UCSB21963  Orthocarpus cuspidatus subsp. copelandii Hardham, Clare 1961-7-3 Siskiyou Scott Mts. south of Calahan Comment
  UC1475691  Orthocarpus cuspidatus subsp. cuspidatus Overton, Butler 1979-8-8 13049 Siskiyou close to the town Klamath River (near Windy Camp); Condrey Mt. Quad. 2043 Comment
  SEINET13755310  Orthocarpus imbricatus G. D. Butler 1910-7-8 1680 Siskiyou Shackleford Creek 1372 Comment
  UC875302  Osmorhiza occidentalis John Thomas Howell 1937-7-29 13638 Siskiyou between Trinity Co. and Siskiyou County; Scott Mt. Comment
  SFV8548  Osmorhiza purpurea J. M. Tucker, L. K. Mann 1963-7-5 3700 Siskiyou Salmon Mountains. On Blake's Fork of South Russian Creek (a tributary of Salmon River), about 7 miles (airline) east of Sawyer's Bar. 1616 Comment
  UCR37815  Oxyria digyna K. T. Stillman 1976-7-15 256 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  UC1408820  Oxyria digyna Frederick W. Oettinger 1969-8-25 1543 Siskiyou 400 yards from English Peak trail (ne facing slope above Tanner Peak trail, high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  CAS-BOT-BC316758  Packera cana John William Thompson 1936-7-8 13150 Siskiyou Lava Slopes of Lava Beds Nat. Monument Comment
  UCSC004606  Panicum acuminatum var. fasciculatum Randall Morgan 2004-5-31 4179 Siskiyou Castle Crags State Park, Sacramento River, Middle Creek Comment
  CAS-BOT-BC202853  Paxistima myrsinites Doris K. Kildale 1929-7-21 8740 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  HSC4834  Paxistima myrsinites J. O. Sawyer 1968-6-25 329 Siskiyou 1646 Comment
  JEPS11901  Paxistima myrsinites Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4788 Siskiyou upper reaches of Indian Creek Canyon (1.8 mi. below summit of rd. and Del Norte-Siskiyou Co. line, along Happy Camp-Takilma rd.) 1371 Comment
  POM87425  Paxistima myrsinites Geo. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  RSA237257  Paxistima myrsinites Frederick W. Oettinger 1969-8-7 1281 Siskiyou Margin of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC60927  Paxistima myrsinites Geo. B. Grant September 1902 5153 Siskiyou Mt. Shasta, Sisson 914 Comment
  CAS-BOT-BC266653  Pedicularis bracteosa var. flavida Gilbert Muth 1969-8-11 s.n. Siskiyou Beneath high point of ridge S of Boulder Peak Comment
  HSC29253  Pedicularis bracteosa var. flavida Frederick W. Oettinger, R. F. Thorne 1969-8-7 1269 Siskiyou Marble Mtn. Wilderness Area, SE of English Lake 2012 Comment
  UC794376  Pedicularis densiflora Lincoln Constance, Lee Bonar, Richard W. Holm and Carroll E. Wood Jr. 1949-5-21 3288 Siskiyou 10 mi s of Callahan; Scott Mountain Campground 1630 Comment
  HSC66251  Pedicularis howellii Maralyn A. Renner 1980-8-31 2639 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  JEPS3363  Pedicularis howellii W. L. Jepson 1907-7-10 2876 Siskiyou Kelsey Trail near Preston Peak (Onion Patch) 1828 Comment
  UC595099  Pedicularis racemosa David D. Keck 1938-8-6 4822 Siskiyou Poker Flat, Siskiyou County at Del Norte County line Poker Flat; Siskiyou Mountains 1463 Comment
  UC922343  Pedicularis racemosa Annie M. Alexander and Louise Kellogg 1949-7-22 5848 Siskiyou above lake under Mount Hemlock (at Sky High Valley); Marble Mountains, Paradise Lake 1920 Comment
  HSC60386  Pedicularis racemosa Carl Wishner 1978-8-1 557 Siskiyou Cuddihy Lakes Basin, Marble Mtn. Wilderness Area, adjacent to lakes 1768 Comment
  RSA425341  Pedicularis racemosa M. B. Dunkle 1944-7-18 9149 Siskiyou Siskiyou National Forest. Comment
  RSA425342  Pedicularis racemosa M. B. Dunkle 1944-8-25 9175 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  RSA749256  Pedicularis racemosa var. racemosa K. M. Meyer, A. Townesmith 2007-7-31 181 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy 97. 1607 Comment
  HSC69375  Pedicularis semibarbata J. O. Sawyer, J. Cole 1980-7-19 3679 Siskiyou Near FS Rd. 45N05 2018 Comment
  CAS-BOT-BC69318  Pellaea brachyptera Alice Eastwood 1922-10-18 11541 Siskiyou Shasta Springs Comment
  POM301725  Pellaea brachyptera Marion Ownbey, D. H. Brown 1941-6-22 2424 Siskiyou West of Craggy Mountain, northwest of Yreka Comment
  HSC74865  Penstemon anguineus J. P. Smith, Jennifer Whipple 1978-7-2 9985 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 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
  SBBG22539  Penstemon anguineus C. B. Hardham 1961-6-30 7999 Siskiyou near Mud Spring Comment
  UCD124033  Penstemon anguineus Roman Gankin; Brewer, Hildreth, Milam 1965-8-10 604 Siskiyou summit of Indian Creek Road, 3.5 miles south of California-Oregon State line. Comment
  JEPS7202  Penstemon anguineus W. L. Jepson 1907-7-9 2860 Siskiyou s Preston Peak (near Cottage Grove, on Klamath River, Western Siskiyou Mts., western Siskiyou County); Klamath Range, western Siskiyou Mts., Klamath River Comment
  HSC77075  Penstemon azureus K. T. Stillman 1976-7-7 153 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CHSC110960  Penstemon davidsonii B. Castro; L. P. Janeway 2007-7-28 1663 Siskiyou High Cascade Range. SE shoulder of Glass Mountain, along trail ca 0.3 mi N of Modoc NF Rd43N99. 2145 Comment
  POM299522  Penstemon davidsonii var. davidsonii Marion Ownbey, Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  HSC19127  Penstemon deustus J. O. Sawyer 1969-7-9 1262 Siskiyou Summit above S Sugar Lake. 2378 Comment
  SBBG16532  Penstemon deustus D. Myrick 1961-6-19 262 Siskiyou rd to Mt Shasta Ski Bowl 1371 Comment
  UC598541  Penstemon deustus John Bright 1936-5-5 13309 Siskiyou on rocky slopes near Hornbrook Comment
  CHSC75761  Penstemon deustus var. suffrutescens Vernon H. Oswald 1999-7-5 9815 Siskiyou Hwy. 3 0.5 mi southeast of Gazelle-Callahan Hwy. 990 Comment
  OBI9277  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW side of Mt. Shasta, along John S. Everett Memorial hwy 2134 Comment
  UC887038  Penstemon gracilentus Alice Eastwood 1912-7-19 1229 Siskiyou Mount Shasta Comment
  POM299521  Penstemon gracilentus Marion Ownbey, Fred G. Meyer 1940-7-3 2195 Siskiyou On east side of Mt Shasta. Comment
  JEPS93872  Penstemon heterodoxus var. shastensis Vernon H. Oswald and Lowell Ahart 1998-7-21 9329 Siskiyou Highway 97 between Weed and Macdoel (at the e end of Grass Lake); Grass Lake, Highway 97 1524 Comment
  NY601593  Penstemon heterodoxus var. shastensis A. A. Heller 1922-7-16 13716 Siskiyou Near Harris Spring, northeast of Mt. Shasta Comment
  HSC43836  Penstemon laetus subsp. laetus Maralyn O'Meara 1974-5-27 491 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC58889  Penstemon laetus subsp. sagittatus Marvin Butler 1971-7-27 211 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC61874  Penstemon laetus subsp. sagittatus Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  CHSC99994  Penstemon laetus var. sagittatus L. P. Janeway 2008-7-25 9501 Siskiyou Klamath Ranges. Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass; 0.4 km southeast of Red Butte. 1736 Comment
  SBBG30585  Penstemon newberryi D. Myrick 1968-6-27 2035 Siskiyou just above Carter's Ranch, 5 mi S of Big Flat 1676 Comment
  HSC59936  Penstemon newberryi subsp. berryi D. L. Goforth 1979-7-19 247 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  CAS-BOT-BC239340  Penstemon newberryi var. berryi David D. Keck 1927-8-16 304 Siskiyou 4 mi. E. of Mt. Shasta City (Sisson) on W. flank of Mt. Shasta 1609 Comment
  NY627432  Penstemon newberryi var. berryi F. W. Pennell 1940-7-17 26170 Siskiyou Salmon Mountains, west of Etna 1828.8 Comment
  UC130622  Penstemon newberryi var. berryi H. M. Hall Jul 1909 8671 Siskiyou head of Salmon River 1645 Comment
  LA28278  Penstemon newberryi var. berryi L. E. Smith; 1913-6-18 368 Siskiyou road from Sisson [Mt. Shasta] to Castle Lake Comment
  JEPS25168  Penstemon newberryi var. newberryi G. Thomas Robbins 1959-6-10 4040 Siskiyou about one mi n of highway summit on U.S. 99 between Mt. Shasta and Weed (on w side of Black Butte); w side of Black Butte, btw Mt. Shasta (town) and Weed 1188 Comment
  LA209543  Penstemon newberryi var. newberryi Wm. Bridge Cooke; 1938-6-17 11010 Siskiyou Mount Shasta, along the Sisson Southern Trail 1584 Comment
  JEPS104858  Penstemon parvulus Dean W. Taylor 1996-7-7 15813 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  HSC77278  Penstemon parvulus L. P. Janeway 1983-8-13 531 Siskiyou S side and above S Fork Indian Creek 1463 Comment
  HSC91115  Penstemon parvulus Jennifer Whipple 1976-7-2 1255 Siskiyou Near edge of Dobkins Lake 2073 Comment
  JEPS21124  Penstemon parvulus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5964 Siskiyou Canyon of South Fork of Sacramento River at its source in the region immediately s Mt. Eddy (along very poor mountain road to Gumboot Lake, sw corner of Siskiyou County); Canyon South Fork Sacramento River, s of Mt. Eddy 1432 Comment
  NY629986  Penstemon parvulus H. E. Brown 1897-6-15 471 Siskiyou Collected north side of Mt. Shasta 1524.0 Comment
  CHSC75762  Penstemon roezlii Vernon H. Oswald; Lowell Ahart 1999-7-5 9800 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  UC1034022  Penstemon roezlii Francis W. Pennell 1940-7-20 26206 Siskiyou Route 89 e Bartle (w of Dead Horse Summit); , e of Bartle 1158 Comment
  NY650118  Penstemon roezlii F. W. Pennell 1940-7-16 26162 Siskiyou 5 miles southwest of Yreka 914.4 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
  NY660847  Penstemon speciosus H. M. Hall 06 1903 4071 Siskiyou Mount Shasta, near Sisson 1066.8 Comment
  OBI2045  Penstemon speciosus J. H. Applegarth 1969-6-19 s.n. Siskiyou W of Cow Crk, a tributary of Beaver Crk 1524 Comment
  SEINET10818555  Penstemon speciosus A. Arthur Heller 1928-6-9 Heller 14605 Siskiyou Gravelly places on the hills west of Yreka in the yellow pine belt. Type station. Comment
  UC1090395  Perideridia bolanderi subsp. bolanderi Milo S. Baker 1957-6-16 13158 Siskiyou trip to Scott Mt. aftern turn-off near Callahan; North Coast Ranges Comment
  UC1595826  Perideridia leptocarpa Wayne Rolle 1991-7-25 466 Siskiyou above road less than 1/4 mi s Butcher Gulch (above river); Rogue River National Forest, S Fork Salmon River Comment
  SEINET3924776  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Lumgrey Creek.; 0 671 Comment
  CDA41161  Petunia parviflora J. O. McKinney 1944-1 s.n. Siskiyou Yreka. 0 Comment
  JEPS57181  Phacelia corymbosa L. R. Heckard 1967-8-13 1694 Siskiyou s-facing slope near summit Mt. Eddy 2712 Comment
  CHSC96030  Phacelia dalesiana L. P. Janeway 2006-7-4 8791 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  JEPS1963  Phacelia egena Geo. D. Butler 1909-5-23 735 Siskiyou near Yreka Comment
  HSC43871  Phacelia greenei Jennifer Whipple 1977-4-30 1885 Siskiyou 915 Comment
  JEPS79422  Phacelia greenei F. D. and C. L. Horn 1980-5-30 Siskiyou Old Quigley Ranch Etna (extreme sw corner of Sec. 26) Comment
  CHSC70133  Phacelia hastata subsp. compacta Jennifer Whipple 1976-7-2 1268 Siskiyou Klamath Mountains. Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  SD104876  Phacelia heterophylla Darley F. Howe 1979-6-26 Siskiyou Military Pass Road, 3.0 miles southeast of Ca. Highway 97, near Grenada. Comment
  UC1228343  Phacelia heterophylla subsp. virgata L. R. Heckard 1956-8-7 831 Siskiyou along US Hwy 97 Deer Mt., Deer Mt. Lodge (w flank of mt.) 1432 Comment
  UC909961  Phacelia heterophylla subsp. virgata A. A. Heller 1916-6-23 12422 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  UC107348 Image available Phacelia mutabilis K. Brandegee Siskiyou Sisson; ; Sisson, Shasta Co. Comment
  UCD77216  Phacelia mutabilis Robert E. Preston 2001-7-21 1741 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  UC1212564  Phacelia mutabilis Francia Chisaki and Helen Sharsmith 1959-8-20 4731 Siskiyou rock outcrop on Carrigher's Summit Inner North Coast Ranges (divide between Scott River and East Fork Salmon River) 1981 Comment
  UC923142  Phacelia mutabilis Freed W. Hoffman 1950-7-13 3336 Siskiyou Clear Creek trail from Baldy Lookout North Coast Ranges (w Siskiyou Co.) 1524 Comment
  RSA105482  Phacelia pringlei G. D. Barbe 1955-7-26 276 Siskiyou At a spring, north slope of Scott Mountain. 1829 Comment
  UC164146  Phacelia procera Geo. D. Butler 1910-7-8 1679 Siskiyou Shackleford Creek 1524 Comment
  UC2026473  Phacelia procera Louis C. Wheeler 1958-8-21 7420 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  UCD88499  Phalaris arundinacea Ken Baghott 1960-8-3 s.n. Siskiyou Tulelake area. Comment
  CAS-BOT-BC77436  Philadelphus lewisii John Thomas Howell 1937-7-26 13560 Siskiyou Between Big Flat and Caribou Gulch Comment
  UC415566  Philadelphus lewisii H. E. Brown Jul 1 1897-Jul 5 1897 562 Siskiyou Mt. Shasta; s side 1524 Comment
  UCD161470  Philadelphus lewisii H. P. Olmo 1931-6-8 s.n. Siskiyou Somes Bar; junction of Salmon and Klamath Rivers. Comment
  HSC70731  Phleum pratense Ruby Van Deventer 1955-8-5 Siskiyou Forest Service Rd. 17N04 Comment
  HSC31132  Phlox adsurgens J. O. Sawyer 1971-8-20 2461 Siskiyou Near Huckleberry Mtn. 1829 Comment
  HSC43548  Phlox adsurgens Pete Karp 1975-7-10 Siskiyou Happy Camp Forest Campground Comment
  JEPS69924  Phlox adsurgens W. L. Jepson 1907-7-9 2861 Siskiyou near Putnam Peak; Klamath Range Comment
  UC1408778  Phlox adsurgens Frederick W. Oettinger and R. F. Thorne 1969-8-6 1240 Siskiyou Pine Lake, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  UC23915  Phlox austromontana Harley P. Chandler Jun 1901 1591 Siskiyou Marble Mountain North Coast Ranges 2133 Comment
  SD76189  Phlox caespitosa Helen V. Witham 1969-10-9 603 Siskiyou On scree at timberline, Mt. Shasta 2400 Comment
  HSC4822  Phlox diffusa J. O. Sawyer 1968-7-22 556 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC1733804  Phlox diffusa Kay H. Beach, Frank Gould 1940-5-15 765 Siskiyou Bull Meadows. Comment
  UC195176  Phlox diffusa Annie M. Alexander and Louise Kellogg 1911-6-21 165 Siskiyou Jackson Pk and Jackson Lake Jackson Pk., Jackson Lake Comment
  UC30215  Phlox diffusa W. H. Brewer 1862-9-13 1377 Siskiyou Mount Shasta 2438 Comment
  UC1080548  Phlox diffusa S. S. Tillett 1956-7-9 630 Siskiyou ca 8 mi se Callahan (e-facing slope of Scott Mtn., Siskiyou-Trinity Co. line); Scott Mtn. 2072 Comment
  POM75068  Phlox diffusa subsp. diffusa Geo D. Butler 1910-5-10 1320 Siskiyou Goosenest foothills 1677 Comment
  UC164140  Phlox hoodii subsp. canescens Geo. D. Butler 1909-5-15 738 Siskiyou Klamath Hills Klamath Comment
  SD114157  Phlox speciosa subsp. nitida Darley F. Howe 1977-7-5 5001 Siskiyou Area north of Mt. Shasta. 1463 Comment
  UC375257  Phoradendron Geo. D. Butler 1908-7-16 1552 Siskiyou Klamath R. Comment
  HSC15910  Phoradendron bolleanum R. C. Wunner 1965-6-18 213 Siskiyou Near Indian Well Camp, Lava Beds National Monument 1433 Comment
  CAS-BOT-BC56482  Phyllodoce empetriformis R. F. Thorne; Frederick W. Oettinger 1969-8-4 63364 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, 2097 Comment
  HSC96364  Phyllodoce empetriformis Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 496 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  UC877014  Phyllodoce empetriformis John Thomas Howell 1939-8-6 15111 Siskiyou Marble Mountains, Elk Mountain Elk Mountain; Marble Mountains, Elk Mountain Comment
  UCR182951  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement Ranch, 5 miles north of Montague Comment
  CAS-BOT-BC60777  Physaria occidentalis Arthur Menzies 1962-7-21 s.n. Siskiyou Mount Eddy. 2529 Comment
  CAS-BOT-BC140491  Physocarpus Alice Eastwood 1921-7-24 10743 Siskiyou Castle Lake Comment
  CAS-BOT-BC140598  Physocarpus capitatus A. A. Heller 1915-7-18 12109 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC140611  Physocarpus capitatus Louis C. Wheeler 1934-7-5 2877 Siskiyou Klamath National Forest, Beaver Creek 975 Comment
  RSA451848  Physocarpus capitatus M. B. Dunkle 1944-7-16 9113 Siskiyou Beaver Creek Camp. Comment
  UC70378  Physocarpus capitatus Milo S. Baker July 1899 Siskiyou e slope Mt Shasta (on Ash Creek) Comment
  CAS-BOT-BC78172  Picea breweriana Doris K. Kildale 1929-7-20 8680 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  HSC4815  Picea breweriana J. O. Sawyer 1968-7-2 350 Siskiyou Upper drainage of Joe Creek 1677 Comment
  NY29981  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA264592  Picea breweriana L. E. Berriman 1941-01 s.n. Siskiyou North slopes of Russian Peak, west of Callahan. 1829 Comment
  UCD134306  Picea breweriana John M. Tucker 1963-7-5 3698 Siskiyou Blake's Fork of South Russian Creek (a tributary to Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  SDSU1544  Picea engelmannii D. F. Howe 1969-8-30 4680 Siskiyou Blake Creek, north fork of Salmon River, about 20 miles southwest of Aetna. 1829 Comment
  SEINET7368239 Image available Picea engelmannii L. E. Berriman 1940-1 Siskiyou Sugar Creek, a tributary of the Scott River (sec. 20 T 40 N R 9 W) Mount diable Meridian. 1433 Comment
  CAS-BOT-BC73386  Pinus albicaulis W. R. Dudley 1905-8-4 s.n. Siskiyou Slope, Mt. Eddy. Comment
  NY34554  Pinus albicaulis H. E. Brown 1897-6-11 499 - Siskiyou North side Mt. Shasta 1524.0 Comment
  CAS-BOT-BC78325  Pinus attenuata Marion Ownbey; Fred G. Meyer 1940-7-7 2219 Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  UC1402324  Pinus attenuata H. Bowerman 1942-11-7 8676 A Siskiyou Siskiyou National Forest; e slope of ridge Comment
  HSC32576  Pinus balfouriana Steven Lagos 1974-5-26 80 Siskiyou Little Duck Lake and ridge above it, Bulk Collection # 65 2073 Comment
  JEPS88719  Pinus balfouriana Gilbert Muth 1965-8-6 178 Siskiyou backside Black Mountain; Marble Mt. Wilderness Area, Black Mountain 2133 Comment
  UC463339  Pinus contorta subsp. murrayana H. M. Hall and E. B. Babcock 1903-6-1 4105 Siskiyou divide between Shasta Black Crater; Sierra Nevada, Mount Shasta 1706 Comment
  HSC44631  Pinus contorta var. murrayana Jerome Peterson 1978-5-20 18 Siskiyou Haypress Meadow, Bulk Collection # 132 Comment
  HSC69038  Pinus jeffreyi Maralyn A. Renner 1980-8-7 2367 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  HSC1507  Pinus lambertiana D. M. Thomson 1965-8-14 186 Siskiyou Lava Beds National Monument 0.25 mi. S of Cauldwell Cinder Pit Comment
  HSC29670  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou Marble Mtn. Wilderness Area, near top of 'Rusty Ridge' where it grades into Frany Peak to the W of Horse Range Lake 2012 Comment
  CAS-BOT-BC78958  Pinus monticola H. A. Thomas; J. H. Thomas 1954-7-24 4517 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC69170  Pinus monticola Maralyn A. Renner 1980-8-6 2328 Siskiyou Cracker Meadow 1555 Comment
  SBBG349  Pinus monticola J. F. Davidson, J. M. Tucker 1947-5-17 1565 Siskiyou summit of Scott Mtn 2072 Comment
  JEPS64435  Piperia elongata Willis L. Jepson 1894-8-9 21279 Siskiyou Shasta Springs Upper Sacramento Region Comment
  UC206170  Plagiobothrys Milo S. Baker 1898-8-1 490 Siskiyou Payne's Springs Comment
  POM72137  Plagiobothrys Geo. D. Butler 1910-5-10 1321 Siskiyou Goosenest Meadow. 1677 Comment
  JEPS107412  Plagiobothrys bracteatus Lowell Ahart, John Dittes 2005-6-9 12035 Siskiyou Meadow area along a small drainage, about 50 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CHSC93543  Plagiobothrys tenellus Lowell Ahart; John Dittes 2005-6-10 12089 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  RSA611015  Plagiobothrys tenellus L. C. Wheeler 1935-5-18 3495 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  RSA210923  Plantago indica John H. Thomas 1969-9-6 15464 Siskiyou About 8 miles southward from MacDoel near US Hwy 97. 1524 Comment
  HSC35439  Platanthera dilatata var. leucostachys A. Montalvo, J. D. Ackerman 1975-7-18 583 Siskiyou S Fork Sacramento River, FS 40N30 1372 Comment
  CHSC26184  Platanthera leucostachys J. P. Kroessing 1977-8-5 58 Siskiyou Panther Meadow, Mt Shasta n end of Everitt Memorial Hwy, ca 6 km s of Mt Shasta Peak. 2135 Comment
  UC673594  Platanthera leucostachys D. Tebbe 1929-6-7 145 Siskiyou Mount Eddy Comment
  RSA233680  Platanthera leucostachys Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38962 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC77276  Platanthera sparsiflora L. P. Janeway 1983-8-13 530 Siskiyou S side and above S Fork Indian Creek. 1433 Comment
  CHSC86624  Plectritis macrocera Jenny Marr 1993-7-1 7 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC796534  Plectritis macrocera Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11827 Siskiyou 1 mi below summit of Gazelle Mountain (Gazelle-Callahan Road); Gazelle-Callahan Road 1219 Comment
  CAS-BOT-BC261055  Poa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53431 A Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  HSC30565  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou Marble Mtn. Wilderness Area, English Lake. 1936 Comment
  HSC92163  Poa bolanderi Jennifer Whipple 1977-7-22 2040 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  RSA239047  Poa bolanderi Frederick W. Oettinger 1969-8-16 1395 Siskiyou Southwest of Wire Grass meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC254991  Poa bulbosa J. H. Thomas 1954-5-14 4168 Siskiyou Salmon Mountains, Klamath National Forest. Near S Fork of Salmon River, 5-9 miles SE of Cecilville, along N side of river 1219 Comment
  HSC100250  Poa bulbosa J. P. Smith, & J. O. Sawyer 2010-5-2 12806 Siskiyou Along the Salmon River Road at Butler Creek. 257 Comment
  SBBG30565  Poa bulbosa D. Myrick 1968-6-25 2009 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UCD90607  Poa bulbosa Alan A. Beetle; G. L. Stebbins Jr. 1942-5-30 3385 Siskiyou at Weed. Comment
  JEPS125993  Poa compressa D. W. Taylor 1996-7-27 15867 Siskiyou Klamath National Forest; Grass Lake, about 15 air miles NE of Weed. Comment
  CAS-BOT-BC256011  Poa pratensis H. E. Brown 1897-6-1 374 Siskiyou Near Sisson 1083 Comment
  CHSC91222  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-10 12127 Siskiyou Rocky hill, north of the rock fence, about 200 yards east of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS107452  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes 2005-6-10 12125 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC443956  Poa pringlei Dana York 2012-7-21 3142 Siskiyou Siskiyou Mountains. Klamath National Forest, Siskiyou Mountains, a few meters below summit of Red Butte. 2040 Comment
  SEINET11683992  Poa pringlei C. G. Pringle 1882-1 s.n. Siskiyou about the headwaters of Sacramento River 2438 Comment
  CAS-BOT-BC237713  Poa secunda David D. Keck 1949-7-20 6368 Siskiyou At Scott Mountain Summit, at Trinity County line 1633 Comment
  RSA211236  Poa secunda William J. Ferlatte 1966-6-22 114 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  RSA578037  Poa secunda L. C. Wheeler 1935-6-30 3635 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  SEINET10522722  Poa secunda Billy Joe Cox, David B. Dunn 1971-6-9 Cox 2833 Siskiyou 3 mi N of Weed, on US Hwy 97; S-facing 20.00.00 slope; roadside; in Pinus ponderosa, P. jeffreyi, and Artemisia tridentata, and Purshia. 1128 Comment
  UC1132617  Poa secunda subsp. juncifolia H. S. Yates 1936-6-21 5823 Siskiyou 1 mi se Gazelle; Etna Quadrangle Comment
  CHSC86619  Poa secunda subsp. secunda Jenny Marr 1993-7-1 2 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC34099  Poa secunda subsp. secunda J. O. Sawyer 1969-8-4 1844 Siskiyou Above Sugar Lake 2134 Comment
  HSC71187  Poa secunda subsp. secunda M. A. Baker 1980-6-20 2218 Siskiyou Near Bald Mtn. 1036 Comment
  UC1265444  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-6 1223 Siskiyou s side Pine Lake; Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1950 Comment
  UC2046865  Poa secunda subsp. secunda R. E. Brainerd with N. Otting 2013-7-12 2184 Siskiyou Siskiyou County: Klamath Mountains. Marble Mountains Wilderness Area. South side of Upper Wright Lake. Comment
  UC820882  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou head Jaynes Canyon; Siskiyou Mts 1920 Comment
  UCD90800  Poa secunda subsp. secunda Beecher Crampton 1956-8-21 3815 Siskiyou Above Gumboot Lake, headwater of S fork of Sacramento River. 1920 Comment
  UCD91753  Poa secunda subsp. secunda A. H. Murphy 1956-8-16 56 V Siskiyou Klamath National Forest. 1828 Comment
  UCD92067  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou Siskiyou Mountains. Head Jaynes Canyon. 1920 Comment
  SEINET4557454  Polemonium californicum Ira L. Wiggins 1955-1 13574 Siskiyou Between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  CAS-BOT-BC232898  Polemonium carneum Geo. D. Butler 1910-5-15 1344 Siskiyou McAdam Creek Comment
  UCD109722  Polygala cornuta var. cornuta K. M. Meyer; A. Townesmith 2007-7-31 177 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 Comment
  POM211510  Polygonum argyrocoleon Louis C. Wheeler 1934-7-3 2860 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  RSA237769  Polygonum douglasii Frederick W. Oettinger 1968-9-2 676 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1860 Comment
  SEINET3405779 Image available Polygonum douglasii Rimo Bacigalupi, Drs. Reino & Aloha Alava 1958-9-3 6898 Siskiyou Poker Flat, Siskiyou Mtns 1536 Comment
  UC164402  Polygonum douglasii Geo. D. Butler 1910-7-31 1803 Siskiyou Yreka Comment
  SEINET4338954  Polygonum douglasii G. D. Butler 1910-7-7 1787 Siskiyou Dry bank Shackleford Creek 914 Comment
  JEPS81905  Polygonum douglasii subsp. spergulariiforme Roger Raiche 1982-10-12 20783 Siskiyou near Yreka; Gunsight Peak 1828 Comment
  UC637130  Polygonum douglasii subsp. spergulariiforme Annetta Carter 1934-8-10 689 Siskiyou s bank of river between McKinney Creek and Parkhouse Creek (near Hamburg); Klamath River 609 Comment
  CAS-BOT-BC418597  Polygonum minimum Geo. D. Butler 1910-7-13 1776 Siskiyou Shackleford Creek 1219 Comment
  HSC93007  Polygonum minimum Jennifer Whipple 1977-8-6 2230 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA82767  Polygonum newberryi J. M. Tucker 1950-7-23 1940 Siskiyou Panther Meadows, Siskiyou County. alt 7900ft. 2409 Comment
  JEPS50641  Polygonum phytolaccifolium W. L. Jepson 1937-7-30 18565 Siskiyou Poker Flat Siskiyou Mts. (headwaters Indian Creek) 1584 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
  CAS-BOT-BC420952  Polygonum sawatchense subsp. sawatchense Marion Ownbey; S. J. Preece, Jr. 1952-6-25 s.n. Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka Comment
  UCD100656  Polygonum sawatchense subsp. sawatchense Herbert L. Mason 1948-7-18 13623 Siskiyou Grass Lake. Comment
  UC917318  Polygonum shastense R. Tofsrud and J. M. Tucker 1948-8-2 1765 Siskiyou Panther Meadows Mount Shasta (s slope of mt.) 2407 Comment
  POM144986  Polygonum shastense C. F. Baker 1903-8-16 3892 Siskiyou Mt Shasta 2439 Comment
  HSC27015  Polygonum spergulariiforme J. P. Smith, J. O. Sawyer 1972-9-12 5766 Siskiyou Scott Mountain; 1/2 mile east of Scott Mountain Rd. (S.R. 3) 1646 Comment
  HSC17549  Polygonum spergulariiforme Geo. D. Butler 1908-9-6 198 Siskiyou Upper field, Butler's Ranch near Yreka Comment
  HSC46074  Polypodium californicum J. P. Smith, Steve Selva 1970-6-14 3877 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  HSC69191  Polystichum imbricans Maralyn A. Renner 1980-9-1 2698 Siskiyou S side of Devil's Punchbowl 1829 Comment
  RSA693318  Polystichum imbricans B. C. Templeton 1957-6-22 s.n. Siskiyou Near the summit of Scott Mt. Comment
  HSC19290  Polystichum imbricans subsp. imbricans J. O. Sawyer 1968-9-9 653 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC22491  Polystichum imbricans subsp. imbricans J. O. Sawyer 1969-6-12 879 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  CAS-BOT-BC72387  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou east side of Mt. Eddy 2346 Comment
  JEPS89825  Polystichum lemmonii Dean William Taylor 1972-7-4 1976 Siskiyou near Lily Pad Lake 3 mi. w. Cook and Green Pass 1981 Comment
  UC197929  Polystichum lemmonii J. G. Lemmon and wife 1879-1 Siskiyou Mt. Shasta [This site is unlikely to be on Mount Shasta since there is no serpentine on the higher slopes of the mountain] Comment
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Jul 5 2012
  UC336670  Polystichum lemmonii unknown Siskiyou Mt. Eddy near Shasta Mt. Mt. Eddy Comment
  RSA602827  Polystichum lemmonii L. C. Wheeler 1958-8-20 7411 Siskiyou Siskiyou Mountains. Red Butte, southeast side. 1737 Comment
  UCD78121  Polystichum lonchitis Robert E. Preston 2001-6-23 1588 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  UC922442  Polystichum munitum Annie M. Alexander and Louise Kellogg 1948-9-15 5622 Siskiyou Canyon Creek, branch Scott River Canyon Creek 762 Comment
  RSA85049  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  CAS-BOT-BC102762  Populus tremuloides W. B. C. 1938-8-25 11586 Siskiyou Along Pilgrim Creek, forest along Pilgrim Creek east of Widow Spring 1371 Comment
  UC642551  Populus trichocarpa W. Bridge Cooke 1939-8-10 13855 Siskiyou Mount Shasta , Devastated Area (occur in the upper portion of Mud Creek Canyon becoming more abundant as creek reaches the Devastated Area) Comment
  JEPS77668  Populus trichocarpa William J. Ferlatte 1974-7-14 1527 Siskiyou bank of South Fork Salmon River Big Flat (below campground); Trinity Alps 1508 Comment
  UC726141  Porterella carnosula A. A. Heller 1940-7-23 15758 Siskiyou on U.S. Highway #97 Grass Lake 1561 Comment
  JEPS42993  Potamogeton richardsonii Geo. D. Butler 1908-8-7 142 Siskiyou lake at head of Wooley Creek 1524 Comment
  SEINET3156887  Potentilla blasckeana G. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  HSC82376  Potentilla breweri Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4529 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UC1560739 Image available Potentilla cristae W. J. Ferlatte 1988-8-10 2115 Siskiyou n-facing slope e Cory Peak (above headwaters of Cabin Meadow Creek); China Mt. se Quad., abv headwaters Cabin Meadow Creek 2194 Comment
  UCD113826  Potentilla drummondii J. M. Tucker; L. K. Mann 1963-7-5 3705 Siskiyou On Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  SJSU6532  Potentilla flabellifolia R. W. Trivelpiece 1973-6-21 148 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  UC859865  Potentilla fruticosa A. A. Heller 1915-8-26 12223 Siskiyou meadow near the head Wagon Creek Canyon (Mt. Eddy); Mt. Eddy 2590 Comment
  UCR52571  Potentilla glandulosa Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC94849  Potentilla glandulosa R. C. Wenk 2005-7-15 236 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail 2042 Comment
  UC727198  Potentilla gracilis A. A. Heller 1918-7-16 13030 Siskiyou Mt. Eddy 2682 Comment
  UCR64578  Potentilla gracilis William J. Ferlatte 1966-8-3 260 Siskiyou Mountain Meadow Ranch, weedy area around buildings 1524 Comment
  CAS-BOT-BC540564  Potentilla gracilis var. fastigiata Doris K. Kildale 1928-8-18 6491 Siskiyou At head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  CAS-BOT-BC540565  Potentilla gracilis var. fastigiata L. E. Smith 1914-6-24 721 Siskiyou Sisson Comment
  CAS-BOT-BC143314  Potentilla newberryi David D. Keck 1940-6-13 5173 Siskiyou Grass Lake 1540 Comment
  CAS-BOT-BC143315  Potentilla newberryi David D. Keck 1940-6-13 5173 Siskiyou Grass Lake 1540 Comment
  RSA211272  Primula suffrutescens William J. Ferlatte 1966-8-5 354 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  CAS-BOT-BC516386  Prosartes hookeri Doris K. Kildale 1929-8-24 9078 Siskiyou Rattlesnake Meadow, trail to Preston Peak Comment
  CAS-BOT-BC516389  Prosartes hookeri Alice Eastwood 1923-5-27 11941 Siskiyou Shasta Springs on road to McCloud Comment
  HSC29322  Prunella vulgaris subsp. lanceolata Frederick W. Oettinger 1969-8-18 1422 Siskiyou Marble Mountain Wilderness Area, W of Horse Range Lake outlet 1822 Comment
  UC903487  Prunus subcordata Dorothy Parker 1948-5-25 Siskiyou Plowman's Valley Comment
  HSC29359  Prunus virginiana var. demissa Frederick W. Oettinger 1968-9-5 702 Siskiyou Marble Mtn. Wilderness Area, SE slope above English Lake 1890 Comment
  CAS-BOT-BC239808  Pseudoroegneria spicata Louis C. Wheeler 1934-6-29 2831 Siskiyou Klamath National Forest, Soda Creek 1066 Comment
  CAS-BOT-BC239816  Pseudoroegneria spicata Geo. D. Butler 1910-6-23 1600 Siskiyou Yreka Comment
  CAS-BOT-BC239819  Pseudoroegneria spicata Elmer I. Applegate 1935-6-5 9317 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  JEPS101140  Pseudoroegneria spicata subsp. spicata Dean W. Taylor 1996-6-18 15722 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  HSC81762  Pseudostellaria jamesiana Thomas W. Nelson, Jane P. Nelson 1980-7-20 6169 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC80097  Pseudotsuga menziesii G. B. Grant 1902-9-10 s.n. Siskiyou Sisson 1127 Comment
  CAS-BOT-BC80171  Pseudotsuga menziesii Doris K. Kildale 1928-8-18 6431 Siskiyou North Fork Salmon River at Finley Camp Comment
  HSC68392  Pteridium aquilinum var. pubescens Maralyn A. Renner 1980-6-26 1248 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC1408847  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou vicinity of English Peak, Marble Mountain Wilderness Area; 0.1 mi e. of Tom Taylor Cabin Comment
  HSC18923  Pterospora andromedea J. O. Sawyer 1969-7-9 1201 Siskiyou Near C.C.C. road N of Sugar Creek. Comment
  HSC92199  Pterospora andromedea Jennifer Whipple 1976-9-3 1766 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2256 Comment
  UC618654  Pterospora andromedea W. Bridge Cooke 1938-8-5 11453 Siskiyou Sisson Southern Trail Mount Shasta Comment
  CAS-BOT-BC460556  Pterospora andromedea H. A. Thomas; J. H. Thomas 1954-7-21 4400 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  CDA38859  Pterospora andromedea J. R. Grisham 1968-10-9 s.n. Siskiyou Ball Mountain Road. 0 Comment
  RSA238569  Pterospora andromedea Frederick W. Oettinger 1968-9-6 730 Siskiyou On ridge top due NEE of Tom's Lake above the trail from English Peak to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2149 Comment
  RSA240086  Pterospora andromedea Frederick W. Oettinger 1969-8-21 1482 Siskiyou Trail from Abbott's Lake to Cold Springs. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  UC57350  Pteryxia terebinthina var. californica J. G. Lemmon and wife 1889-6-27 45 Siskiyou Edgewood, Siskiyou County Comment
  JEPS107363  Puccinellia distans Lowell Ahart, John Dittes 2005-6-9 12002 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  RSA749207  Purshia tridentata K. M. Meyer, A. Townesmith 2007-8-2 184 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  UCD113279  Purshia tridentata R. V. Parke 1954-5-15 120 Siskiyou 8 miles E of McCloud, Highway 89. 1097 Comment
  HSC118  Purshia tridentata var. tridentata William J. Ferlatte 1967-6-29 578 Siskiyou Dorleska Summit 2134 Comment
  JEPS18590  Purshia tridentata var. tridentata W. L. Jepson 13844 Siskiyou halfway up trail from Sisson to Horse Camp; Mt. Shasta Comment
  POM215864  Purshia tridentata var. tridentata Louis C. Wheeler 1935-6-13 3571 Siskiyou Mill Creek. Quartz Valley. 945 Comment
  UC164303  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River Comment
  UCLA62308  Pycnanthemum californicum Francis Drouet and Donald Richards 1941-9-15 4223 Siskiyou canyon of the Sacramento River Dunsmuir; canyon of the Sacramento River 670 Comment
  CAS-BOT-BC460866  Pyrola aphylla Geo. D. Butler 1910-6-17 1575 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC460868  Pyrola aphylla Wm. Bridge Cooke 1938-8-5 11455 Siskiyou Mount Shasta. Along the Sisson Southern Trail. 1676 Comment
  CAS-BOT-BC460869  Pyrola aphylla Alice Eastwood 1923-5-27 11949 Siskiyou Shasta Springs Comment
  CAS-BOT-BC460872  Pyrola aphylla L. E. Smith 1913-7-1 424 Siskiyou Dunsmuir Comment
  RSA0082806  Pyrola aphylla R. F. Thorne 1969-8-2 63333 Siskiyou Trail to upper English Lake along Salmon River. Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  RSA0082807  Pyrola aphylla L. C. Wheeler 1934-6-25 2780 Siskiyou West Fork Cottonwood Creek. Siskiyou Mts. 1280 Comment
  HSC61039  Pyrola asarifolia subsp. bracteata Ruby Van Deventer 24 Aug [year missing] Siskiyou Cameron Meadows Comment
  CAS-BOT-BC462796  Pyrola dentata Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC462799  Pyrola dentata Doris K. Kildale 1929-7-21 8749 Siskiyou Elk Lick, South Fork of Indian Creek 1524 Comment
  RSA0080530  Pyrola dentata Gilbert Muth 1965-8-10 198 Siskiyou Marble Valley and along upper trail, Marble Mts. Comment
  HSC19194  Pyrola picta J. O. Sawyer 1968-9-28 747 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  JEPS58826  Pyrola picta Willis L. Jepson Jul 1894 14663 Siskiyou Muir's Peak (=Black Butte, near Sisson Comment
  UC479140  Pyrola picta Marcus E. Jones 1931-7-17 29062 Siskiyou Shasta City Comment
  UC618900  Pyrola picta W. Bridge Cooke 1938-8-5 11455 Siskiyou Mount Shasta, along the Sisson Southern Trail Mount Shasta; , Sisson Southern Trail 1676 Comment
  CAS-BOT-BC466133  Pyrola picta Gilbert Muth 1965-8-10 s.n. Siskiyou Marble Valley and long upper trails Comment
  CAS-BOT-BC68602  Quercus chrysolepis Carl B. Wolf 1927-8-26 1079 Siskiyou on the Klamath River, 4 mi below Hamburg Comment
  CAS-BOT-BC68647  Quercus chrysolepis Doris K. Kildale 1929-4-27 7489 Siskiyou Cecilville, South Fork Salmon River Comment
  HSC73453  Quercus chrysolepis Grunert 36 Siskiyou Rd. 41N41 8 mi from Hwy. 3 1463 Comment
  UC164448  Quercus garryana Geo. D. Butler 1910-4-16 1182 Siskiyou Klamath River Comment
  CAS-BOT-BC62759  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12383 Siskiyou Lava beds between Timbered Crater and Little Hot Springs Valley Comment
  UCD46152  Quercus garryana var. breweri John M. Tucker 1972-8-8 4245 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
  RSA476805  Quercus garryana var. garryana Bonnie C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  CDA21943  Quercus kelloggii T. C. Fuller 1964-10-7 12685 Siskiyou On slope of Mt. Shasta, 1 mile southeast of Mt. Shasta City. 0 Comment
  HSC71373  Quercus kelloggii J. P. Smith, Steve Selva 1970-7-17 4431 Siskiyou Along Klamath River. Comment
  POM166638  Quercus kelloggii E. B. Copeland 1903-7-14 3521 Siskiyou Klamathon. Comment
  RSA293148  Quercus kelloggii J. P. Smith, Steve Selva 1970-7-17 4431 Siskiyou Along Klamath River. Comment
  CAS-BOT-BC104341  Quercus sadleriana Baki Kasapligil 1981-6-26 6192 Siskiyou Around the Lake Bolan, Siskiyou Comment
Read comments
Jun 23 2018
  CAS-BOT-BC104350  Quercus sadleriana Doris K. Kildale 1929-6-20 8613 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CAS-BOT-BC104361  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Jaynes Canyon, Siskiyou Mts. 1859 Comment
  CHSC53244  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail, Marble Mountain Wilderness Area. 1341 Comment
  HSC64656  Quercus sadleriana J. O. Sawyer 1977-7-7 3042 Siskiyou Rd. to Haypress Meadows at Camp 3 1037 Comment
  SFV895  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area. Junction of Red Rock Valley Trail and Canyon Creek Trail. 1341 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
  SEINET12029704  Quercus sadleriana S. Edwards, Roderick, W. 1983-1 105 Siskiyou E of Cook & Green Pass Comment
  CAS-BOT-BC104623  Quercus vacciniifolia A. A. Heller 1914-8-28 11728 Siskiyou East side of Mt. Eddy 1676 Comment
  CAS-BOT-BC104644  Quercus vacciniifolia Edward Lee 1934-8-13 1066 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest Comment
  HSC98342  Quercus vacciniifolia William J. Ferlatte 1967-7-8 671 Siskiyou Along Yellow Rose Mine trail 1829 Comment
  RSA237789  Quercus vacciniifolia Frederick W. Oettinger 1969-8-16 1399 Siskiyou Southwest of Wiregrass Meadow below English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC637076  Quercus vacciniifolia Edward Lee 1934-8-13 1066 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  UCD14013  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  UCD47463  Quercus vacciniifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1650 Comment
  SEINET10437620  Quercus vacciniifolia G. D. Butler 1910-7-12 1760 Siskiyou Shackleford Creek. 1372 Comment
  UC1565730  Raillardella argentea W. J. Ferlatte 1980-8-30 2027 Siskiyou ca 0.75 mi s China Mountain (ca 100 yds n of trail); Houston Creek Divide 2316 Comment
  CAS-BOT-BC328128  Raillardella pringlei W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of Mount Eddy 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
  JEPS75772  Raillardella pringlei Susan Horner 1976-10-5 49 Siskiyou along stream draining out of Toad Lake 2072 Comment
Read comments
Oct 13 2011
  UCD135381  Raillardella pringlei Bruce G. Baldwin 1986-7-21 617 Siskiyou Shasta-Trinity National Forest, around 0.25 miles north of Gumboot Lake along gumboot Creek (near Mount Eddy). Comment
  UC375271  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-7-4 361 Siskiyou Shasta River; near mouth Comment
  RSA399378  Ranunculus aquatilis var. capillaceus M. B. Dunkle 1929-8-26 2337 Siskiyou Golden Trout Creek. 2744 Comment
  CDA3501  Ranunculus arvensis T. C. Fuller 1962-5-17 8740 a Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  CDA3500  Ranunculus arvensis Don Shaw 1978-6-2 Siskiyou Sam s Neck, southwest of Dorris. 0 Comment
  UC922305  Ranunculus eschscholtzii var. suksdorfii Annie M. Alexander and Louise Kellogg 1949-7-29 5902 Siskiyou Trail to Hidden Lake Marble Mountains, Sky High Valley (by way of Campbell Lake trail, facing n to Marble Ridge) 1767 Comment
  POM100037  Ranunculus occidentalis Geo. D. Butler 1909-3-20 568 Siskiyou Scott River. Comment
  HSC62284  Ranunculus orthorhynchus Al Hobart 1971-7-14 Siskiyou Youngs Valley 1220 Comment
  HSC599  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1967-6-6 498 Siskiyou Along S Fork of Salmon River between campground and Carter's 1524 Comment
  CDA3484  Ranunculus repens C. S. Giebner 1959-5-29 Siskiyou Copeland Ranch, Weed. 0 Comment
  HSC98181  Ranunculus uncinatus William J. Ferlatte 1967-8-23 1109 Siskiyou Head of Kidd Creek 2134 Comment
  POM299039  Rhamnus californica Marion Ownbey 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek. 12 miles above Happy Camp. 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
  UC1045317  Rhamnus ilicifolia W. Bridge Cooke 1940-6-20 15141 Siskiyou w of Pacific Highway (along Klamath River); Klamath River Comment
  RSA238023  Rhamnus purshiana Frederick W. Oettinger 1968-8-23 617 Siskiyou Mid way down the steep spillway from Diamond Lake to upper English Lake and along the spillway stream. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1921 Comment
  UC80229  Rhamnus rubra Dr. E. B. Copeland 1903-8-15 3833 Siskiyou Sisson 1097 Comment
  OBI14446  Rhododendron occidentale H. E. McMinn 1931-6-27 2535 Siskiyou Summit above Weitchpec Comment
  OBI55460  Rhododendron occidentale David J. Keil, Kathleen Keil 1992-7-21 23543 Siskiyou Klamath NF SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn road (Hwy 3)). Comment
  HSC68407  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-7-4 1415 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  RSA119322  Rhododendron occidentale var. paludosum S. S. Tillett 1956-7-11 687 Siskiyou On N side Scott Mtn. divide near campground; Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1616 Comment
  RSA471028  Rhododendron occidentale var. paludosum B. C. Templeton 1957-6-22 7743 Siskiyou Near the summit of Scott Mt. Comment
  CDA35348  Rhus trilobata Vernon H. Oswald & Lowell Ahart 1998-6-11 9173 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
  POM85301  Rhus trilobata var. quinata Geo. D. Butler 1910-4-1 1151 Siskiyou [No further location information.] Comment
  HSC23460  Ribes binominatum J. O. Sawyer 1968-7-23 614 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC23686  Ribes binominatum J. O. Sawyer 1971-7-16 2433 Siskiyou Slope NE of Deep Lake 2165 Comment
  SEINET515845  Ribes cereum Vernon Oswald 1997-7-28 8802 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi. S of Medicine Lake Road. 1701 Comment
  CAS-BOT-BC27149  Ribes glanduliferum Amos Arthur Heller 1905-6-9 8005 Siskiyou Yreka Comment
  UC642577  Ribes inerme var. inerme W. Bridge Cooke 1939-7-21 13702 Siskiyou in the vicinity of the outlet of the Municipal Spring above Howard; Mount Shasta Comment
  JEPS80601  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley Marble Mt. Wilderness Area 1795 Comment
  LA205433  Ribes lacustre Louis C. Wheeler; 1934-6-14 2713 Siskiyou Siskiyou Mountains, Arrastre Creek, off Hungry Creek 1280 Comment
  UC1190179  Ribes lacustre Ira L. Wiggins 1955-7-29 13592 Siskiyou 3.5 mi above S. Fork of Salmon River (along Thompson Creek); Thompson Creek 1371 Comment
  CAS-BOT-BC173390  Ribes lobbii Geo. D. Butler 1910-4-22 1223 Siskiyou Quartz Valley Comment
  CAS-BOT-BC173397  Ribes lobbii John Thomas Howell 1937-7-22 13284 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC19376  Ribes lobbii J. O. Sawyer 1968-9-11 696 Siskiyou Slopes above Twin Valley. 1463 Comment
  HSC32159  Ribes lobbii J. O. Sawyer 1970-6-17 2202 Siskiyou 1768 Comment
  JEPS43057  Ribes lobbii Geo. D. Butler 1909-5-31 793 Siskiyou Humbug Comment
  UC1167538  Ribes lobbii C. R. Quick 1936-8-18 Siskiyou near summit Siskiyou Mountains (margin of Poker Flat, on Happy Camp-Waldo road) Comment
  UC154065  Ribes lobbii Harley P. Chandler June, 1901 1557 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  UC796488  Ribes lobbii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11768 Siskiyou about 6 mi from Etna (on Forks of Salmon Road) 1676 Comment
  RSA0021144  Ribes lobbii Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1250 Siskiyou Outlet of Pine Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA0021624  Ribes lobbii Roxana S. Ferris, Laura Lorraine 1948-6-12 11773 Siskiyou About 7 miles from Etna on forks of Salmon Road. 1819 Comment
  HSC69715  Ribes marshallii Maralyn A. Renner 1980-7-15 1768 Siskiyou English Lake inlet 1780 Comment
  RSA237677  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  CAS-BOT-BC219261  Ribes nevadense Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  JEPS49300 Image available Ribes nevadense Annie M. Alexander and Louise Kellogg 1911-6-21 164 Siskiyou Jackson Lake Comment
  UC60939  Ribes nevadense Geo. B. Grant September, 1902 5227 Siskiyou Shasta Springs Mount Shasta 609 Comment
  RSA0023152  Ribes nevadense William J. Ferlatte 1967-7-9 688 Siskiyou Kidd Creek Trail. 1860 Comment
  RSA0018039  Ribes roezlii I. L. Wiggins 1950-5-28 12374 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  CAS-BOT-BC199990  Ribes roezlii var. cruentum Doris K. Kildale 1929-7-20 8673 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  HSC29414  Ribes sanguineum Frederick W. Oettinger, R. F. Thorne 1969-8-7 1280 Siskiyou SE of English Lake 1829 Comment
  UC375360  Ribes sanguineum Geo. D. Butler 1910-5-1 1265 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC168806  Ribes viscosissimum John Thomas Howell 1937-7-26 13549 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC168809  Ribes viscosissimum John Thomas Howell 1939-8-2 14923 Siskiyou Spirit Lake, Marble Mts. Comment
  JEPS84057  Ribes viscosissimum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6351 Siskiyou ca. 1/2 mi se Red Butte (ca. 7 mi nne of Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  CAS-BOT-BC74659  Rorippa curvisiliqua Alice Eastwood 1921-7-28 10914 Siskiyou Medicine Lake. Comment
  JEPS84186  Rorippa curvisiliqua L. R. Heckard with J. Hickman et al. 1986-7-17 6513 Siskiyou n slope Condrey Mt.; n slope Condrey Mt. 1960 Comment
  RSA435942  Rorippa palustris subsp. occidentalis L. C. Wheeler 1934-9-15 3260 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  RSA715952  Rosa eglanteria L. Ahart, J. Dittes 2005-6-10 12065 Siskiyou E of a poor dirt road. About 90 yards NE of the pump house along the Shasta River. About 1.9 miles (air) S of Hwy 99/97 cutoff. About 6 miles (air) ESE of Grenada. 777 Comment
  CAS-BOT-BC146743  Rosa gymnocarpa Alice Eastwood 1912-7-23 1321 Siskiyou Dunsmuir Comment
  CAS-BOT-BC146763  Rosa gymnocarpa Ira L. Wiggins 1955-7-23 13476 Siskiyou Banks of China Creek 1097 Comment
  HSC61513  Rosa gymnocarpa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  UC1585381  Rosa gymnocarpa R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 46 Siskiyou n Seiad Valley; Cook and Green Pass 1425 Comment
  UC637138  Rosa pisocarpa Annetta Carter 1934-8-13 704 Siskiyou Happy Camp to Waldo (Oregon) rd Klamath National Forest, watershed of West Branch of Indian 1371 Comment
  HSC98452  Rosa spithamea Carl W. Mize 1972-6-22 86 Siskiyou Above U-turn on main rd. 732 Comment
  CAS-BOT-BC156599  Rubus bifrons William M. Hiesey 1947-8-23 557 Siskiyou Klamath River along Highway 96, one mile west of Beaver Creek (2 mi. N. of Walker) 548 Comment
  CAS-BOT-BC157167  Rubus ursinus Wm. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail Comment
  JEPS25872  Rudbeckia klamathensis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7445 Siskiyou just above Indian Creek Ranger Station (along Happy Camp-Takilma road) 609 Comment
  CAS-BOT-BC95037  Rumex acetosella R. C. Wenk 2005-7-16 255 Siskiyou Trinity Alps, S Fork of the Salmon River, S end of Big Flat Meadow 1499 Comment
  HSC39753  Rumex acetosella J. O. Sawyer 1969-8-1 1619 Siskiyou Along road 41N14 at trail to Eaton Lake 1402 Comment
  CAS-BOT-BC433406  Rumex crispus Wm. Bridge Cooke 1939-6-23 13511 Siskiyou Mount Shasta. At Bear Springs. Comment
  JEPS39939  Rumex occidentalis W. L. Jepson 1914-8-13 5799 Siskiyou Marshes at Sisson Sisson 1097 Comment
  RSA577798  Sagittaria cuneata L. C. Wheeler 1935-7-20 3669 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 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
  JEPS84288  Salix eastwoodiae L. R. Heckard with J. Hickman et al. 1986-7-17 6514 Siskiyou n slope Condrey Mt. 1960 Comment
  UC375236  Salix eastwoodiae Geo. D. Butler 1908-8-7 152 Siskiyou bank of lake at head of W. Fork Woody Creek Comment
  UC1045276  Salix exigua var. hindsiana W. Bridge Cooke 1940-6-20 15156 Siskiyou along Pacific Hwy. in Klamath River gorge Klamath R. gorge 609 Comment
  CAS-BOT-BC132732  Salix lasiandra L. E. Smith 1913-3-1 s.n. Siskiyou Sisson Comment
  UC576374  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1937-7-22 869 Siskiyou beyond head of Big Flat (near S. Fork Salmon R.) 1615 Comment
  CAS-BOT-BC125453  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; about 1.3 km. east of Burney Mill 1110 Comment
  CAS-BOT-BC107074  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 420 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1515 Comment
  CAS-BOT-BC107075  Salix lasiolepis Mrs. H. P. Bracelin 1936-9-3 854 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  SBBG29073  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mount Eddy, ca. 21 km NW of Shasta City, 300 km below Dobkin's Lake 1650 Comment
  UC375238  Salix lasiolepis Geo. D. Butler 1908-7-19 153 Siskiyou head of gulch near Yreka; Long Gulch Comment
  UC482237  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou ca. 16 km. n.w. Shasta City (n.e. side Mt. Eddy, above Metaclf ranch house); n.e. side Mt. Eddy 1425 Comment
  CHSC9686  Salix lemmonii E. L. Smith 1971-8-20 1058 Siskiyou At Mt. Shasta City. 1085 Comment
  LA208891  Salix lemmonii Mrs. H. P. Bracelin; 1931-6-21 467 Siskiyou N side of Mount Eddy, about 21 km NW of Shasta City; 180 m. below Dobkin's Lake 1770.0 Comment
  POM107035  Salix lucida subsp. lasiandra Geo. D. Butler 1910-4-13 1171 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC125691  Salix melanopsis W. R. Dudley 1901-8-25 s.n. Siskiyou By road, South Fork Scotts Comment
  CHSC4317  Salix monochroma D. Parker 1965-3-13 1061 Siskiyou Johnson Creek, near Etna. 914 Comment
  HSC28679  Salix scouleriana Frederick W. Oettinger 1969-8-1 1135 Siskiyou Marble Mtn. Wilderness Area, English Lake Basin 1707 Comment
  POM107278  Salix scouleriana Geo. D. Butler 1910-5-30 1439 Siskiyou Humbug Mountain 1220 Comment
  POM219900  Salix scouleriana H. P. Bracelin 1931-6-20 444 Siskiyou E side of Mount Eddy. About 17 km NW of Shasta City. Wagon Creek Canyon. About 1 km up from Metcalf ranch house. 1170 Comment
  HSC36220  Salsola tragus John Rehling 1974-8-24 39 Siskiyou Along Hwy. 3, 1.5 mi. N of Fort Jones Comment
  RSA17697  Salvia dorrii subsp. dorrii Elmer I. Applegate 1935-6-7 9408 Siskiyou Indian Well, Lava Beds National Monument Comment
  UCLA69733  Salvia sonomensis unknown 1938-6-17 11027 Siskiyou Sisson Southern Trail Comment
  CDA5768  Salvia virgata J. R. Grisham 1963-7-24 Siskiyou E. H. Marlow property, Greenhorn Valley, ca. 2 miles west of Yreka. 0 Comment
  CAS-BOT-BC238882  Sambucus nigra subsp. caerulea Gilbert Muth 1965-8-2 s.n. Siskiyou 1/2 between Gate & Lower Sky High Lakes Comment
  JEPS80602  Sambucus racemosa var. microbotrys Gilbert Muth 1966-7-29 459 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1795 Comment
  SEINET3157602  Sanguisorba annua G. D. Butler 1910-6-3 1468 Siskiyou Quartz Valley Comment
  UC13054  Sanguisorba annua W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  RSA47665  Sanguisorba annua Roxana S. Ferris, L. Lorraine 1948-6-12 11816 Siskiyou E fork of Scott River Drainage. Parker Ranch. Plowman's [Noyes] Valley. 1204 Comment
  SEINET13945133 Image available Sanicula bipinnatifida Lincoln Constance, R. H. Shan 1946-1 3060 Siskiyou East bank of Sacramento River at Dunsmuir, alt. 2300 ft 701 Comment
  HSC61602  Sanicula graveolens Ruby Van Deventer 6 Jun [year missing] Siskiyou Lookout Mountain 1768 Comment
  SEINET13945236 Image available Sanicula nevadensis Lincoln Constance, Ren Hwa Shan 1946-1 3059 Siskiyou East bank of Sacramento River at Dunsmuir, alt. 2300 ft 701 Comment
  RSA211474  Sanicula tuberosa William J. Ferlatte 1967-6-30 589 Siskiyou Along the south fork of the Salmon River between the campground and Carter s 1524 Comment
  POM354591  Saxifraga ferruginea M. B. Dunkle 1945-7-24 9254 Siskiyou Klamath National Forest. Marble Mtns. Comment
  CHSC99691  Saxifragopsis fragarioides L. P. Janeway 2008-7-24 9465 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  UCD126471  Schedonorus arundinaceus P. B. Kennedy 1923-8-29 s.n. Siskiyou Mt. Shasta City. By Camp Cold Water, Sisson. Comment
  HSC69090  Scirpus microcarpus Maralyn A. Renner 1980-8-4 2211 Siskiyou Flint Valley 1390 Comment
  HSC773  Scirpus microcarpus William J. Ferlatte 1967-8-17 948 Siskiyou Yellow Rose Mine 1982 Comment
  JEPS80665  Scirpus microcarpus W. B. and V. G. Cooke 1977-9-22 54824 Siskiyou near Deter Camp (Mt. Shasta); , near Deter Camp Comment
  JEPS85082  Scirpus microcarpus W. B. and V. G. Cooke with Ted Graves 1988-8-29 64235 Siskiyou Bear Springs Mt. Shasta, Shasta-Trinity N.F., Bear Springs (FS-31, Mt. Shasta, Shasta-Trinity N.F.) 1524 Comment
  POM211436  Scirpus microcarpus L. C. Wheeler 1934-9-22 3300 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  UC821369  Scribneria bolanderi Louis C. Wheeler 1935-5-1 3450 Siskiyou Siskiyou Mountains, Yreka Creek Yreka Creek; Siskiyou Mountains, Yreka Creek 853 Comment
  UC164350  Scrophularia lanceolata Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  RSA17980  Scutellaria antirrhinoides Carl B. Wolf 1927-8-26 996 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UC1299473  Scutellaria siphocampyloides Freed W. Hoffman 1948-7-8 2563 Siskiyou s of Scott Bar (along Scott River); North Coast Ranges, Scott River Comment
  CAS-BOT-BC240100  Secale cereale W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34330 Siskiyou Along highway, Memorial Highway, Mt. Shasta Comment
  HSC61169  Sedum divergens Al Hobart 17 Jul [year missing] Siskiyou El Capitan 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
  JEPS26913  Sedum laxum subsp. heckneri P. C. Hutchison 1961-5-22 2036 Siskiyou 5.7 mi s Happy Camp (2.7 mi n of Clear Creek on highway US299, w side of Klamath River); w side Klamath River, n of Clear Creek, s of Happy Camp Comment
  HSC81579  Sedum obtusatum subsp. obtusatum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6088 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  CAS-BOT-BC64652  Sedum oregonense Doris K. Kildale 1928-8-19 6541 Siskiyou Summit of divide between English Lake and Hancock Lake on trail to Marble Mt. 2194 Comment
  HSC25419  Sedum radiatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5663 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC74918  Sedum radiatum J. P. Smith, Jennifer Whipple 1978-7-2 9967 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  RSA641070  Selaginella densa var. scopulorum Louis Cutter Wheeler 1963-8-31 8314 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  HSC19475  Selaginella scopulorum J. O. Sawyer 1969-6-10 805 Siskiyou S face near Sugar Lake 1829 Comment
  JEPS109257  Senecio fremontii var. fremontii D. W. Taylor 2002-7-29 18284 Siskiyou South China Mountain; cirque at head of the W fork of Huston Creek (Huston Creek Divide on USFS trail sign at summit) ca 0.4 miles E of summit. Comment
  CAS-BOT-BC363646  Senecio fremontii var. occidentalis W. R. Dudley 1899-8-26 s.n. Siskiyou Top of Mt. Eddy Comment
  UC1234602  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou 12.3 mi s MacDoel (U.S. Highway 97) Comment
  POM37677  Senecio integerrimus var. exaltatus Geo D. Butler 1910-5-15 1345 Siskiyou N...[illegible] McAdams Creek. Comment
  HSC23649  Senecio integerrimus var. major J. O. Sawyer 1969-6-12 934 Siskiyou Along Duck Lake Creek trail 1905 Comment
  CAS-BOT-BC364427  Senecio triangularis John Thomas Howell 1939-8-8 15150 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC364436  Senecio triangularis R. C. Wenk 2008-7-24 920 A Siskiyou Kangaroo Lake, south of the Gazelle-Callahan Rd. 1851 Comment
  CAS-BOT-BC364439  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  HSC19257  Senecio triangularis J. O. Sawyer 1968-7-9 403 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC22468  Senecio triangularis J. O. Sawyer 1969-7-11 1336 Siskiyou S Sugar Creek 1829 Comment
  UC36018  Senecio triangularis Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles (McCloud River); McCloud River Comment
  HSC39742  Sherardia arvensis J. O. Sawyer 1970-4-4 2093 Siskiyou Along Sugar Creek 823 Comment
  SDSU8173  Sidalcea malviflora subsp. asprella D. F. Howe 1965-8-8 4126 Siskiyou Saddle south of Little Grayback, Klamath National Forest 1402 Comment
  UC163716  Sidalcea oregana Geo. D. Butler 1908-8-3 61 Siskiyou Log Lake , Log Lake (Shackleford Creek) Comment
  RSA211117  Sidalcea oregana subsp. oregana W. J. Ferlatte 1966-8-18 419 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. 1524 Comment
  HSC172  Sidalcea oregana subsp. spicata William J. Ferlatte 1966-8-18 419 Siskiyou Along the S fork of the Salmon River between the campground and Carter's 1524 Comment
  HSC76662  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-22 290 Siskiyou Marble Mtn. Wilderness Area Comment
  UC60961  Sidalcea oregana subsp. spicata Geo. B. Grant September 1902 5216 b Siskiyou Mount Shasta Comment
  HSC34117  Sidalcea oregana subsp. spicata J. O. Sawyer 1969-8-18 1996 Siskiyou Slopes of S Sugar Lake Creek 1829 Comment
  SEINET3143357  Sidalcea oregana subsp. spicata G. D. Butler 1910-7-16 1728 Siskiyou Oro Frisco [can not read location] Comment
  UC668092  Silene campanulata Joseph P. Tracy 1935-8-1 14421 Siskiyou 1 mi e Salmon Summit Mine (head of Knownothing Creek); , e of Salmon Summit Mine 1767 Comment
  HSC19238  Silene douglasii J. O. Sawyer 1969-8-2 1710 Siskiyou Summit W of Little Duck Lake 2409 Comment
  JEPS51030  Silene douglasii W. L. Jepson 1940-6-23 20027 Siskiyou n Mt. Shasta; n of Mt. Shasta, Andesite station 975 Comment
  HSC19523  Silene douglasii J. O. Sawyer 1969-7-2 1032 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  HSC18949  Silene grayi G. L. Clifton, Griswold 1979-6-28 6103 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  SEINET196523  Silene grayi R. Tofsrud, J. M. Tucker 1948-8-2 1764 Siskiyou Panther Meadows south slope of Mt. Shasta. 2408 Comment
  UCSB27380  Silene grayi Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 3200 Comment
  RSA166259  Silene grayi H. Dearing, M. Dearing 1939-7-1 3787 Siskiyou Salmon Mts. 1829 Comment
  UC1483449  Silene lemmonii J. Sawyer and J. Cole 1980-7-22 3940 Siskiyou nw slopes of Cedar Mtn. Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  CDA3863  Sisymbrium altissimum T. C. Fuller 1958-6-19 1831 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  CDA16173  Sisymbrium officinale G. F. Hrusa, T. D. Wilfred 1999-5-31 15072 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka. 640 Comment
  CDA39481  Sisyrinchium douglasii T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC78187  Sisyrinchium idahoense var. idahoense L. P. Janeway 1983-8-6 508 Siskiyou At Poker Flat, E side of meadow 1524 Comment
  SEINET10589337  Sitanion A. Arthur Heller 1920-6-20 Heller 13387 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir and incense cedar. 1158 Comment
  UC1190167  Smilacina stellata Ira L. Wiggins 1955-7-23 13478 Siskiyou China Creek 1097 Comment
  HSC42890  Smilax jamesii J. O. Sawyer, Ken Stillman 1976-7-1 2797 Siskiyou Mid slopes and ridges E of Little N Fork Trail of the Salmon River. 732 Comment
  POM211187  Solanum americanum Louis C. Wheeler 1934-9-17 3274 Siskiyou Dutch Creek off Klamath River, Siskiyou Mtns. (Mt. Diablo Mer). 701 Comment
  UCR131608  Solanum nigrum L. C. Wheeler 1934-9-17 3274 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  CHSC71606  Solanum parishii Vernon H. Oswald; Lowell Ahart 1998-8-3 9458 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 2.6 mi southeast of Gazelle-Callahan Rd. At roadside. 1426 Comment
  CDA41196  Solanum parishii D. Janssen & F. D. Horn 1978-5-17 s.n. Siskiyou Abandoned farmstead, Hornbrook. 0 Comment
  UC1409253  Solanum umbelliferum Frederick W. Oettinger 1969-8-12 1347 Siskiyou along trail above Willow Springs (between English Lake and Abbotts, Marble Mountain Wilderness Area, High Lake Basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  RSA105461  Solanum umbelliferum Douglas Barbe 1955-6-27 2 Siskiyou 2 miles E of Callahan at Trinity Center Road junction 976 Comment
  RSA14375  Solanum umbelliferum Elmer I. Applegate 1898-5-15 2137 Siskiyou Klamath River, between Shovel Creek and Fall Creek 793 Comment
  RSA68903  Solanum umbelliferum A. E. Culbertson 1943-7-24 54 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  CAS-BOT-BC365571  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  CAS-BOT-BC339855  Solidago multiradiata C. F. Baker 1903-8-18 3843 Siskiyou Mt. Eddy Comment
  HSC76957  Solidago multiradiata K. T. Stillman 1976-7-21 273 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC67686  Sorbus californica John Palmer 1980-7-24 635 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  JEPS95134  Sorbus californica Vernon Oswald and Lowell Ahart 1997-7-28 8794 Siskiyou s.e. Medicine Lake (at Paynes Springs, on walls of Paynes Creek Canyon n. of the campground); Paynes Springs 1981 Comment
  CAS-BOT-BC157319  Sorbus californica W. R. Dudley 1901-8-23 s.n. Siskiyou 1st ravine north of Amphitheatre below Caribou Glacier Comment
  RSA96942  Sorbus californica Percy C. Everett, E. K. Balls 1954-10-10 20264 Siskiyou E shore of Castle Lake. SW of town of Mt. Shasta. 1585 Comment
  CAS-BOT-BC158931  Sorbus scopulina L. E. Smith 1912-10-1 s.n. Siskiyou Hilt Comment
  HSC44932  Sorbus scopulina J. O. Sawyer 1978-6-19 3250 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  JEPS89134  Sorbus scopulina Gilbert Muth 1966-7-8 363 Siskiyou Marble Valley; Marble Mt. Wilderness Area 1792 Comment
  UC44991  Sorbus scopulina var. cascadensis Geo. D. Butler 1930-7-20 281 Siskiyou Wooly Creek 1676 Comment
  RSA237836  Sorbus scopulina var. scopulina Frederick W. Oettinger 1969-7-18 1052 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC63488  Spergularia rubra M. A. Baker 1978-5-20 585 Siskiyou Happy Camp Comment
  RSA0097341  Spergularia rubra Gilbert Muth 1966-7-14 391 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  RSA68945  Spiraea densiflora var. splendens A. E. Culbertson 1943-7-8 13 Siskiyou E shore of Castle Lake, 5434'. 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mtns. 2000' above Sacramento River. Within 10 air miles of its headwaters to the W. Comment
  CAS-BOT-BC149675  Spiraea douglasii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  UC618746  Spiraea douglasii unknown 1938-7-29 11400 Siskiyou above Bear Spring; Mount Shasta Comment
  UCD21462  Spiraea douglasii Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1202 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  CAS-BOT-BC149674  Spiraea douglasii W. R. Dudley 1901-8-25 s.n. Siskiyou 14 mile post, Salmon Creek, Salmon Mts. Comment
  CAS-BOT-BC152552  Spiraea splendens A. A. Heller 1916-7-22 12484 Siskiyou East side of Mt. Eddy 1676 Comment
  HSC18898  Spiraea splendens var. splendens J. O. Sawyer 1968-7-23 596 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC64782  Spiraea splendens var. splendens J. P. Smith, Steve Selva 1970-7-17 4447 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC90554  Spiraea splendens var. splendens Jennifer Whipple 1976-7-14 1465 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  HSC97382  Spiranthes romanzoffiana A. Montalvo, J. D. Ackerman 1974-8-16 420 Siskiyou Clear Creek Trail, 0.5 mi. S of Cracker Meadows, Youngs Valley near Preston Peak, Siskiyou Mtns. 1220 Comment
  JEPS84073  Stachys ajugoides var. rigida L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6367 Siskiyou ca. 1/2 mi e Red Butte Summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  UC456146  Stachys ajugoides var. rigida I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  HSC27218  Stachys mexicana J. P. Smith, J. O. Sawyer 1971-9-17 4790 Siskiyou Horse Range Creek drainage along road. Comment
  HSC76687  Stachys rigida K. T. Stillman 1976-7-30 320 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  HSC29311  Stachys rigida var. rigida Frederick W. Oettinger 1969-8-19 1461 Siskiyou Marble Mountain Wilderness Area, below old Tanners Peak trail 1860 Comment
  CAS-BOT-BC181446  Stellaria littoralis Volney Rattan 1879-1-1 s.n. Siskiyou Unspecified Comment
  CAS-BOT-BC391219  Stellaria longipes subsp. longipes Alice Eastwood 1921-7-28 10876 Siskiyou Medicine Lake Comment
  UC524160  Stellaria longipes var. longipes Elmer I. Applegate 1923-8-17 3839 Siskiyou Medicine Lake 1981 Comment
  UC165935  Stellaria media Geo. D. Butler 1909-3-19 559 Siskiyou near Yreka Comment
  HSC4294  Stellaria nitens Geo. D. Butler 1909-4-25 618 Siskiyou Quartz Valley Comment
  CHSC99976  Stenanthium occidentale L. P. Janeway 2008-7-25 9493 Siskiyou Klamath Ranges. Siskiyou Mountains; at Horsetail Falls, along Road 48N20, along upper eastern fork of East Fork Seiad Creek. 1237 Comment
  RSA69524  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  RSA577802  Stenanthium occidentale Louis C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  UCD78020  Stephanomeria lactucina Robert E. Preston 2001-8-26 1768 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 2072 Comment
  UC60926  Stephanomeria paniculata Geo. B. Grant Sept 1902 5064 Siskiyou Dunsmuir Mount Shasta 609 Comment
  UC618702  Stephanomeria paniculata unknown 1938-7-22 11316 Siskiyou Sisson Southern Trail Mount Shasta 1219 Comment
  CDA8849  Stephanomeria paniculata T. C. Fuller 1963-8-27 11159 Siskiyou Highway 97 to Weed, 5.7 miles south of Grass Lake Campground. 0 Comment
  OBI55431  Stephanomeria paniculata David J. Keil 1992-7-20 23490 Siskiyou Klamath NF, W of Fort Jones. Along forest Rd 44N45, 2 mi S of Scott river rd 1000 Comment
  SEINET10603810  Stipa californica A. Arthur Heller 1905-6-1 Heller 7936 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  HSC92551  Stipa occidentalis var. californica Jennifer Whipple 1976-7-14 1475 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC30691  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1968-9-6 744 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake Region 2188 Comment
  SACT002412  Stipa stillmanii Verne Grant, Irving Schneider 1947-8-26 Siskiyou On lava plateau Comment
  HSC102712  Stipa thurberiana J. P. Smith 2013-6-17 13745 Siskiyou Cinder Pit Road, 0.6 miles from its junction with County Road A12. 1123 Comment
  HSC70595  Streptanthus barbatus J. O. Sawyer, R. J. Cole 1981-7-2 4157 Siskiyou Near Scott Mtn. Campground 1585 Comment
  OBI55476  Streptanthus barbatus David J. Keil, Kathleen Keil 1992-7-21 23530 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UC1282013  Streptanthus barbatus Louise Kellogg 1953-8-8 109 Siskiyou creek on road between Callahan and Trinity Center (nw slope of mt); Scott Mountains, Klamath National Forest, Scott Mountain, Mu 1402 Comment
  CAS-BOT-BC87877  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek. Comment
  HSC18896  Streptopus amplexifolius J. O. Sawyer 1968-7-9 435 Siskiyou W of Little Duck Lake 1936 Comment
  HSC62005  Streptopus amplexifolius Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC164041  Streptopus amplexifolius var. americanus Geo. D. Butler 1908-8-8 97 Siskiyou Marble Valley Comment
  HSC637  Suksdorfia ranunculifolia William J. Ferlatte 1967-6-30 593 Siskiyou Josephine Lake basin 1677 Comment
  UC1539987  Swertia albicaulis M. Mitchell 1936-5-21 40 Siskiyou 0.6 mi sw Fleener Chimney; Lava Beds National Monument 1402 Comment
  JEPS46357  Swertia albicaulis var. albicaulis W. L. Jepson 1940-6-23 20010 Siskiyou n of Mt. Shasta (Andesite Station) 975 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-BC234788  Symphoricarpos mollis Alice Eastwood 1912-7-15 1068 Siskiyou Mc Cloud [McCloud] Comment
  CAS-BOT-BC234794  Symphoricarpos mollis Alice Eastwood 1917-9-2 6672 Siskiyou Shasta Springs Comment
  CAS-BOT-BC234795  Symphoricarpos mollis Alice Eastwood 1917-9-2 6672 Siskiyou Shasta Springs Comment
  HSC18986  Symphoricarpos mollis J. O. Sawyer 1969-8-5 1947 Siskiyou Along Sugar Creek. 1921 Comment
  HSC18988  Symphoricarpos mollis J. O. Sawyer 1969-6-10 795 Siskiyou Lower SE slope above Sugar Creek, near Sugar Lake. 1799 Comment
  HSC4003  Symphoricarpos mollis C. B. Wolf 1927-8-27 1113 Siskiyou Klamath River at Happy Camp. Comment
  CAS-BOT-BC269708  Symphoricarpos mollis W. R. Dudley 1901-8-24 s.n. Siskiyou Four Mile [Fourmile] Creek Trail, Salmon Mts. Comment
  CAS-BOT-BC99035  Symphyotrichum cusickii Louis C. Wheeler 1934-8-14 3130 Siskiyou Siskiyou Mts. - North side White Mt. - Mt. Diablo Mer. 1767 Comment
  HSC76971  Symphyotrichum foliaceum K. T. Stillman 1976-9-10 496 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  CAS-BOT-BC98945  Symphyotrichum foliaceum var. parryi Alice Eastwood 1912-8-30 1970 Siskiyou Mount Eddy Comment
  HSC29216  Symphyotrichum foliaceum var. parryi Frederick W. Oettinger 1968-8-3 375 Siskiyou Between Diamond Lake and Hancock Lake; Salmon Mtns. English Peak Area Comment
  CAS-BOT-BC98431  Symphyotrichum spathulatum Gilbert J. Muth 1969-8-7 1264 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC98428  Symphyotrichum spathulatum W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Comment
  UC1037395  Symphyotrichum spathulatum Douglas Barbe 1955-7-26 261 Siskiyou nw slope of Scott Mountain along a dry ditch Klamath Mountains, Scott Mountain 1828 Comment
  HSC69166  Symphyotrichum spathulatum var. spathulatum Maralyn A. Renner 1980-8-4 2214 Siskiyou Flint Valley 1390 Comment
  UCD86126  Taeniatherum caput-medusae Beecher Crampton 1969-6-19 8472 Siskiyou 1 mile north of Edgewood. Comment
  CAS-BOT-BC376922  Taraxacum officinale John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53404 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  UC615192  Taraxia tanacetifolia Beryl O. Schreiber 1932-7-18 443 Siskiyou near Dorris Comment
  CAS-BOT-BC447417  Tellima grandiflora Annie M. Alexander; Louise Kellogg 1920-5-1 s.n. Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  CHSC106094  Tetradymia canescens Lowell Ahart; John Dittes 2010-7-30 16971 Siskiyou On dry soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam. 778 Comment
  CAS-BOT-BC88074  Thelypodium brachycarpum J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle. Comment
  CHSC561  Thlaspi montanum var. montanum N. Jaekel; K. Jaekel 1939-7-29 Siskiyou Mt. Eddy. 1828 Comment
  JEPS54046  Thlaspi montanum var. montanum W. L. Jepson 1907-7-5 2842 Siskiyou Marble Mt. Comment
  CAS-BOT-BC67266  Thysanocarpus radians Grace Wood 1919-4-19 s.n. Siskiyou Yreka. 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
  SD211498  Tofieldia glutinosa subsp. occidentalis Barbara Ertter 1990-7-14 9346 Siskiyou Wagon Creek on East side of Mount Eddy, circa 4 airmiles West of Mount Shasta City; damp ground in partial shade along creek, where several forks join before steep drop 1829 Comment
  UC1045294  Tofieldia occidentalis subsp. occidentalis W. Bridge Cooke 1940-7-5 15278 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  UC164324  Tonella tenella Geo. D. Butler 1909-4-18 626 Siskiyou near Yreka Comment
  UCD93220  Torreyochloa pallida var. pauciflora Robert E. Preston 2003-7-28 2162 Siskiyou 17.3 miles NE of McCloud, at Trout Creek Campground. 1486 Comment
  HSC42898  Tragopogon porrifolius Ken Stillman 1976-8-15 409 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  POM33167  Tragopogon pratensis Geo D. Butler 1910-7-1 1619 Siskiyou Yreka. Comment
  UCD78041  Trichostema simulatum Robert E. Preston 2002-6-22 1886 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89 958 Comment
  POM76570  Trientalis latifolia Geo. D. Butler 1909-5-30 765 Siskiyou Humbug Mountain. 1220 Comment
  SD88333  Trientalis latifolia Darley F. Howe 1972-7-6 Siskiyou 1.6 miles south of Oregon state lineon road to Happy Camp 1584 Comment
  JEPS48897  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackelford Creek Log Lake 1524 Comment
  CAS-BOT-BC219041  Trifolium howellii Doris K. Kildale 1929-8-24 9081 Siskiyou Rattlesnake Meadow, near Preston Peak 1524 Comment
  CDA4330  Trifolium incarnatum Don Shaw 1977-5-26 Siskiyou Highway 96 near Blue Heron Ranch, Somes Bar. 0 Comment
  UCD111257  Trifolium longipes AHM 1953-7-29 KNF 15 Siskiyou Trinity county line. Steavale Canyon. 1524 Comment
  POM216002  Trifolium macrocephalum Louis C. Wheeler 1935-6-2 3540 Siskiyou Shasta River, Siskiyou Mts. 732 Comment
  UC1005586  Trifolium macrocephalum Frank W. Gould 1940-5-14 1236 Siskiyou Bull Meadows Goosenest Mountain 1524 Comment
  HSC71541  Trifolium pratense J. P. Smith, Steve Selva 1970-6-15 3894 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  RSA582466  Trifolium variegatum var. variegatum Louis C. Wheeler 1935-6-27 3618 Siskiyou Greenview, Scott Valley. 884 Comment
  UC454709  Trifolium willdenovii I. J. Condit 1911-7-31 Siskiyou Shasta Retreat Comment
  UC164026  Trillium albidum Geo. D. Butler 1910-4-3 1168 Siskiyou Humbug Creek Comment
  HSC44867  Trillium ovatum J. P. Smith 1973-5-5 6452 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  UC1024700  Trisetum canescens L. Whitney 1934-6-27 2145 Siskiyou 1706 Comment
  HSC18980  Trisetum spicatum J. O. Sawyer 1969-8-18 1982 Siskiyou Above South Sugar Creek 2134 Comment
  HSC34133  Trisetum spicatum J. O. Sawyer 1969-8-5 1779 Siskiyou Near Little Duck Lake 2073 Comment
  POM352884  Trisetum spicatum Anonymous 1908-07 9205 Siskiyou Marble Mountains. Black Marble Mtns. Comment
  RSA352885  Trisetum spicatum M. B. Dunkle 1945-1 9318 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC1265674  Triteleia crocea Rolf Y. Berg 1980-6-25 Siskiyou on road from Seiad Valley to Cook and Green Pass; Klamath River Region, Horsetail Falls Comment
  RSA206127  Triteleia crocea Gilbert Muth 1969-8-10 1337 Siskiyou Ridge west of Boulder Peak. 2378 Comment
  UC165733  Triteleia hyacinthina Geo. D. Butler 1910-5-27 1415 Siskiyou wet meadow Shasta Valley Comment
  UC1409513  Tsuga mertensiana Frederick W. Oettinger 1968-9-2 669 Siskiyou woods to e inlet to Upper English Lake (western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  HSC46194  Uropappus lindleyi Jennifer Whipple 1977-4-30 1886 Siskiyou Scott Valley near Weston Gulch 854 Comment
  CHSC105281  Urtica dioica subsp. gracilis Lowell Ahart; John Dittes 2010-7-30 16961 Siskiyou On the south bank of the Shasta River, about 1 yard east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UC848743  Urtica dioica subsp. holosericea Alice Eastwood 1912-7-18 1217 Siskiyou Sisson Comment
  UC8397  Vaccaria hispanica T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC91310  Vaccinium cespitosum Jennifer Whipple 1976-6-17 1023 Siskiyou Near Durney Lake 2073 Comment
  JEPS58731  Vaccinium cespitosum W. L. Jepson 1907-7-6 2851 Siskiyou near Cuddihy Valley Comment
  HSC19360  Vaccinium membranaceum J. O. Sawyer 1968-6-18 224 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC47103  Vaccinium membranaceum J. O. Sawyer, K. Stillman 1978-7-6 3300 Siskiyou Along Happy Camp- O'Brien Rd., 0.5 mi. S of summit and S of Louse Creek 1280 Comment
  RSA715770  Valerianella locusta L. Ahart, John Dittes 2005-6-10 12119 Siskiyou End of Salvadori Road, Nelson Ranch, about 1. 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  CDA6692  Valerianella locusta F. D. Horn 1978-5-1 Siskiyou Horn Ranch, Etna. 0 Comment
  JEPS84208  Vancouveria chrysantha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6316 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  SD88292  Vancouveria hexandra Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon State Line on road to Happy Camp 1705 Comment
  CAS-BOT-BC527987  Veratrum W. R. Dudley 1909-8-18 s. n. Siskiyou Near Jacksons Lake Comment
  HSC69168  Veratrum californicum var. californicum Maralyn A. Renner 1980-8-6 2325 Siskiyou Cracker Meadow 1555 Comment
  POM211274  Verbascum blattaria Louis C. Wheeler 1934-10-24 3347 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mtns. 671 Comment
  RSA123556  Verbascum blattaria G. D. Barbe 1955-7-7 143 Siskiyou East side of Forest Camp. Etna. 884 Comment
  RSA0084072  Veronica alpina var. alterniflora William J. Ferlatte 1966-6-23 133 Siskiyou Trinity Alps: Yellow Rose Mine. 1982 Comment
  RSA211146  Veronica americana William J. Ferlatte 1967-6-27 527 Siskiyou Big Flat. Between campground and S Fork of the Salmon River. 1524 Comment
  JEPS66437  Veronica anagallis-aquatica L. R. Heckard and P. Rubtzoff 1971-8-2 2699 Siskiyou 2.2 mi w of Macdoel (along Meese Lake-Sams Nech Road) 1280 Comment
  JEPS101395  Veronica copelandii Dean W. Taylor 1988-7-11 9973 Siskiyou The Eddys, Trinity Mountains, headwaters of Eddy Creek and western tributary of Dale Creek; on ridgetop 0.2 to 0.8 east from summit of Forest Road 40N45. 2377 Comment
  RSA0006256  Veronica copelandii E. B. Copeland 1903-8-18 3931 Siskiyou Mount Eddy. 1677 Comment
  UC444943  Veronica peregrina subsp. xalapensis W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  UC726995  Veronica peregrina subsp. xalapensis A. A. Heller 1919-6-20 13255 Siskiyou Metcalfs Comment
  CAS-BOT-BC238171  Veronica wormskjoldii Ella Dales Cantelow 1939-6-10 2589 Siskiyou 22 4/10 mi. s.e. of Mc Cloud [McCloud] on road to Burney Comment
  JEPS121726  Vicia americana subsp. americana Julie Kierstead Nelson with Jordan Rainbow 2014-5-21 2011 -020 Siskiyou Forest Road 42N84 off Highway 97, north side of Mt. Shasta. Comment
  HSC43379  Vicia americana var. americana Maralyn O'Meara 1974-5-26 456 Siskiyou Along USFS Rd. 47N03 1524 Comment
  UC618894  Vicia americana var. americana unknown 1938-7-22 11310 Siskiyou Wagon Camp; Mount Shasta Comment
  JEPS66166  Vicia americana var. americana Geo. D. Butler 1910-5-30 Siskiyou Humbug 1219 Comment
  CAS-BOT-BC270240  Viola adunca Bettell Ellsworth 1923-5-21 s.n. Siskiyou Shasta Springs Comment
  HSC64658  Viola adunca J. O. Sawyer 1977-7-6 3024 Siskiyou South of Little Duck Lake 2134 Comment